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, 0xe007), .driver_info
= BTUSB_QCA_ROME
},
268 { USB_DEVICE(0x0cf3, 0xe009), .driver_info
= BTUSB_QCA_ROME
},
269 { USB_DEVICE(0x0cf3, 0xe010), .driver_info
= BTUSB_QCA_ROME
},
270 { USB_DEVICE(0x0cf3, 0xe300), .driver_info
= BTUSB_QCA_ROME
},
271 { USB_DEVICE(0x0cf3, 0xe301), .driver_info
= BTUSB_QCA_ROME
},
272 { USB_DEVICE(0x0cf3, 0xe360), .driver_info
= BTUSB_QCA_ROME
},
273 { USB_DEVICE(0x0489, 0xe092), .driver_info
= BTUSB_QCA_ROME
},
274 { USB_DEVICE(0x0489, 0xe09f), .driver_info
= BTUSB_QCA_ROME
},
275 { USB_DEVICE(0x0489, 0xe0a2), .driver_info
= BTUSB_QCA_ROME
},
276 { USB_DEVICE(0x04ca, 0x3011), .driver_info
= BTUSB_QCA_ROME
},
277 { USB_DEVICE(0x04ca, 0x3015), .driver_info
= BTUSB_QCA_ROME
},
278 { USB_DEVICE(0x04ca, 0x3016), .driver_info
= BTUSB_QCA_ROME
},
280 /* Broadcom BCM2035 */
281 { USB_DEVICE(0x0a5c, 0x2009), .driver_info
= BTUSB_BCM92035
},
282 { USB_DEVICE(0x0a5c, 0x200a), .driver_info
= BTUSB_WRONG_SCO_MTU
},
283 { USB_DEVICE(0x0a5c, 0x2035), .driver_info
= BTUSB_WRONG_SCO_MTU
},
285 /* Broadcom BCM2045 */
286 { USB_DEVICE(0x0a5c, 0x2039), .driver_info
= BTUSB_WRONG_SCO_MTU
},
287 { USB_DEVICE(0x0a5c, 0x2101), .driver_info
= BTUSB_WRONG_SCO_MTU
},
289 /* IBM/Lenovo ThinkPad with Broadcom chip */
290 { USB_DEVICE(0x0a5c, 0x201e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
291 { USB_DEVICE(0x0a5c, 0x2110), .driver_info
= BTUSB_WRONG_SCO_MTU
},
293 /* HP laptop with Broadcom chip */
294 { USB_DEVICE(0x03f0, 0x171d), .driver_info
= BTUSB_WRONG_SCO_MTU
},
296 /* Dell laptop with Broadcom chip */
297 { USB_DEVICE(0x413c, 0x8126), .driver_info
= BTUSB_WRONG_SCO_MTU
},
299 /* Dell Wireless 370 and 410 devices */
300 { USB_DEVICE(0x413c, 0x8152), .driver_info
= BTUSB_WRONG_SCO_MTU
},
301 { USB_DEVICE(0x413c, 0x8156), .driver_info
= BTUSB_WRONG_SCO_MTU
},
303 /* Belkin F8T012 and F8T013 devices */
304 { USB_DEVICE(0x050d, 0x0012), .driver_info
= BTUSB_WRONG_SCO_MTU
},
305 { USB_DEVICE(0x050d, 0x0013), .driver_info
= BTUSB_WRONG_SCO_MTU
},
307 /* Asus WL-BTD202 device */
308 { USB_DEVICE(0x0b05, 0x1715), .driver_info
= BTUSB_WRONG_SCO_MTU
},
310 /* Kensington Bluetooth USB adapter */
311 { USB_DEVICE(0x047d, 0x105e), .driver_info
= BTUSB_WRONG_SCO_MTU
},
313 /* RTX Telecom based adapters with buggy SCO support */
314 { USB_DEVICE(0x0400, 0x0807), .driver_info
= BTUSB_BROKEN_ISOC
},
315 { USB_DEVICE(0x0400, 0x080a), .driver_info
= BTUSB_BROKEN_ISOC
},
317 /* CONWISE Technology based adapters with buggy SCO support */
318 { USB_DEVICE(0x0e5e, 0x6622),
319 .driver_info
= BTUSB_BROKEN_ISOC
| BTUSB_CW6622
},
321 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
322 { USB_DEVICE(0x1310, 0x0001), .driver_info
= BTUSB_SWAVE
},
324 /* Digianswer devices */
325 { USB_DEVICE(0x08fd, 0x0001), .driver_info
= BTUSB_DIGIANSWER
},
326 { USB_DEVICE(0x08fd, 0x0002), .driver_info
= BTUSB_IGNORE
},
328 /* CSR BlueCore Bluetooth Sniffer */
329 { USB_DEVICE(0x0a12, 0x0002),
330 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
332 /* Frontline ComProbe Bluetooth Sniffer */
333 { USB_DEVICE(0x16d3, 0x0002),
334 .driver_info
= BTUSB_SNIFFER
| BTUSB_BROKEN_ISOC
},
336 /* Marvell Bluetooth devices */
337 { USB_DEVICE(0x1286, 0x2044), .driver_info
= BTUSB_MARVELL
},
338 { USB_DEVICE(0x1286, 0x2046), .driver_info
= BTUSB_MARVELL
},
339 { USB_DEVICE(0x1286, 0x204e), .driver_info
= BTUSB_MARVELL
},
341 /* Intel Bluetooth devices */
342 { USB_DEVICE(0x8087, 0x0025), .driver_info
= BTUSB_INTEL_NEW
},
343 { USB_DEVICE(0x8087, 0x07da), .driver_info
= BTUSB_CSR
},
344 { USB_DEVICE(0x8087, 0x07dc), .driver_info
= BTUSB_INTEL
},
345 { USB_DEVICE(0x8087, 0x0a2a), .driver_info
= BTUSB_INTEL
},
346 { USB_DEVICE(0x8087, 0x0a2b), .driver_info
= BTUSB_INTEL_NEW
},
347 { USB_DEVICE(0x8087, 0x0aa7), .driver_info
= BTUSB_INTEL
},
348 { USB_DEVICE(0x8087, 0x0aaa), .driver_info
= BTUSB_INTEL_NEW
},
350 /* Other Intel Bluetooth devices */
351 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
352 .driver_info
= BTUSB_IGNORE
},
354 /* Realtek Bluetooth devices */
355 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
356 .driver_info
= BTUSB_REALTEK
},
358 /* Additional Realtek 8723AE Bluetooth devices */
359 { USB_DEVICE(0x0930, 0x021d), .driver_info
= BTUSB_REALTEK
},
360 { USB_DEVICE(0x13d3, 0x3394), .driver_info
= BTUSB_REALTEK
},
362 /* Additional Realtek 8723BE Bluetooth devices */
363 { USB_DEVICE(0x0489, 0xe085), .driver_info
= BTUSB_REALTEK
},
364 { USB_DEVICE(0x0489, 0xe08b), .driver_info
= BTUSB_REALTEK
},
365 { USB_DEVICE(0x13d3, 0x3410), .driver_info
= BTUSB_REALTEK
},
366 { USB_DEVICE(0x13d3, 0x3416), .driver_info
= BTUSB_REALTEK
},
367 { USB_DEVICE(0x13d3, 0x3459), .driver_info
= BTUSB_REALTEK
},
368 { USB_DEVICE(0x13d3, 0x3494), .driver_info
= BTUSB_REALTEK
},
370 /* Additional Realtek 8821AE Bluetooth devices */
371 { USB_DEVICE(0x0b05, 0x17dc), .driver_info
= BTUSB_REALTEK
},
372 { USB_DEVICE(0x13d3, 0x3414), .driver_info
= BTUSB_REALTEK
},
373 { USB_DEVICE(0x13d3, 0x3458), .driver_info
= BTUSB_REALTEK
},
374 { USB_DEVICE(0x13d3, 0x3461), .driver_info
= BTUSB_REALTEK
},
375 { USB_DEVICE(0x13d3, 0x3462), .driver_info
= BTUSB_REALTEK
},
377 /* Silicon Wave based devices */
378 { USB_DEVICE(0x0c10, 0x0000), .driver_info
= BTUSB_SWAVE
},
380 { } /* Terminating entry */
383 /* The Bluetooth USB module build into some devices needs to be reset on resume,
384 * this is a problem with the platform (likely shutting off all power) not with
385 * the module itself. So we use a DMI list to match known broken platforms.
387 static const struct dmi_system_id btusb_needs_reset_resume_table
[] = {
389 /* Lenovo Yoga 920 (QCA Rome device 0cf3:e300) */
391 DMI_MATCH(DMI_SYS_VENDOR
, "LENOVO"),
392 DMI_MATCH(DMI_PRODUCT_VERSION
, "Lenovo YOGA 920"),
398 #define BTUSB_MAX_ISOC_FRAMES 10
400 #define BTUSB_INTR_RUNNING 0
401 #define BTUSB_BULK_RUNNING 1
402 #define BTUSB_ISOC_RUNNING 2
403 #define BTUSB_SUSPENDING 3
404 #define BTUSB_DID_ISO_RESUME 4
405 #define BTUSB_BOOTLOADER 5
406 #define BTUSB_DOWNLOADING 6
407 #define BTUSB_FIRMWARE_LOADED 7
408 #define BTUSB_FIRMWARE_FAILED 8
409 #define BTUSB_BOOTING 9
410 #define BTUSB_DIAG_RUNNING 10
411 #define BTUSB_OOB_WAKE_ENABLED 11
414 struct hci_dev
*hdev
;
415 struct usb_device
*udev
;
416 struct usb_interface
*intf
;
417 struct usb_interface
*isoc
;
418 struct usb_interface
*diag
;
423 struct work_struct work
;
424 struct work_struct waker
;
426 struct usb_anchor deferred
;
427 struct usb_anchor tx_anchor
;
431 struct usb_anchor intr_anchor
;
432 struct usb_anchor bulk_anchor
;
433 struct usb_anchor isoc_anchor
;
434 struct usb_anchor diag_anchor
;
437 struct sk_buff
*evt_skb
;
438 struct sk_buff
*acl_skb
;
439 struct sk_buff
*sco_skb
;
441 struct usb_endpoint_descriptor
*intr_ep
;
442 struct usb_endpoint_descriptor
*bulk_tx_ep
;
443 struct usb_endpoint_descriptor
*bulk_rx_ep
;
444 struct usb_endpoint_descriptor
*isoc_tx_ep
;
445 struct usb_endpoint_descriptor
*isoc_rx_ep
;
446 struct usb_endpoint_descriptor
*diag_tx_ep
;
447 struct usb_endpoint_descriptor
*diag_rx_ep
;
452 unsigned int sco_num
;
456 int (*recv_event
)(struct hci_dev
*hdev
, struct sk_buff
*skb
);
457 int (*recv_bulk
)(struct btusb_data
*data
, void *buffer
, int count
);
459 int (*setup_on_usb
)(struct hci_dev
*hdev
);
461 int oob_wake_irq
; /* irq for out-of-band wake-on-bt */
464 static inline void btusb_free_frags(struct btusb_data
*data
)
468 spin_lock_irqsave(&data
->rxlock
, flags
);
470 kfree_skb(data
->evt_skb
);
471 data
->evt_skb
= NULL
;
473 kfree_skb(data
->acl_skb
);
474 data
->acl_skb
= NULL
;
476 kfree_skb(data
->sco_skb
);
477 data
->sco_skb
= NULL
;
479 spin_unlock_irqrestore(&data
->rxlock
, flags
);
482 static int btusb_recv_intr(struct btusb_data
*data
, void *buffer
, int count
)
487 spin_lock(&data
->rxlock
);
494 skb
= bt_skb_alloc(HCI_MAX_EVENT_SIZE
, GFP_ATOMIC
);
500 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
501 hci_skb_expect(skb
) = HCI_EVENT_HDR_SIZE
;
504 len
= min_t(uint
, hci_skb_expect(skb
), count
);
505 skb_put_data(skb
, buffer
, len
);
509 hci_skb_expect(skb
) -= len
;
511 if (skb
->len
== HCI_EVENT_HDR_SIZE
) {
512 /* Complete event header */
513 hci_skb_expect(skb
) = hci_event_hdr(skb
)->plen
;
515 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
524 if (!hci_skb_expect(skb
)) {
526 data
->recv_event(data
->hdev
, skb
);
532 spin_unlock(&data
->rxlock
);
537 static int btusb_recv_bulk(struct btusb_data
*data
, void *buffer
, int count
)
542 spin_lock(&data
->rxlock
);
549 skb
= bt_skb_alloc(HCI_MAX_FRAME_SIZE
, GFP_ATOMIC
);
555 hci_skb_pkt_type(skb
) = HCI_ACLDATA_PKT
;
556 hci_skb_expect(skb
) = HCI_ACL_HDR_SIZE
;
559 len
= min_t(uint
, hci_skb_expect(skb
), count
);
560 skb_put_data(skb
, buffer
, len
);
564 hci_skb_expect(skb
) -= len
;
566 if (skb
->len
== HCI_ACL_HDR_SIZE
) {
567 __le16 dlen
= hci_acl_hdr(skb
)->dlen
;
569 /* Complete ACL header */
570 hci_skb_expect(skb
) = __le16_to_cpu(dlen
);
572 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
581 if (!hci_skb_expect(skb
)) {
583 hci_recv_frame(data
->hdev
, skb
);
589 spin_unlock(&data
->rxlock
);
594 static int btusb_recv_isoc(struct btusb_data
*data
, void *buffer
, int count
)
599 spin_lock(&data
->rxlock
);
606 skb
= bt_skb_alloc(HCI_MAX_SCO_SIZE
, GFP_ATOMIC
);
612 hci_skb_pkt_type(skb
) = HCI_SCODATA_PKT
;
613 hci_skb_expect(skb
) = HCI_SCO_HDR_SIZE
;
616 len
= min_t(uint
, hci_skb_expect(skb
), count
);
617 skb_put_data(skb
, buffer
, len
);
621 hci_skb_expect(skb
) -= len
;
623 if (skb
->len
== HCI_SCO_HDR_SIZE
) {
624 /* Complete SCO header */
625 hci_skb_expect(skb
) = hci_sco_hdr(skb
)->dlen
;
627 if (skb_tailroom(skb
) < hci_skb_expect(skb
)) {
636 if (!hci_skb_expect(skb
)) {
638 hci_recv_frame(data
->hdev
, skb
);
644 spin_unlock(&data
->rxlock
);
649 static void btusb_intr_complete(struct urb
*urb
)
651 struct hci_dev
*hdev
= urb
->context
;
652 struct btusb_data
*data
= hci_get_drvdata(hdev
);
655 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
658 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
661 if (urb
->status
== 0) {
662 hdev
->stat
.byte_rx
+= urb
->actual_length
;
664 if (btusb_recv_intr(data
, urb
->transfer_buffer
,
665 urb
->actual_length
) < 0) {
666 bt_dev_err(hdev
, "corrupted event packet");
669 } else if (urb
->status
== -ENOENT
) {
670 /* Avoid suspend failed when usb_kill_urb */
674 if (!test_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
677 usb_mark_last_busy(data
->udev
);
678 usb_anchor_urb(urb
, &data
->intr_anchor
);
680 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
682 /* -EPERM: urb is being killed;
683 * -ENODEV: device got disconnected
685 if (err
!= -EPERM
&& err
!= -ENODEV
)
686 bt_dev_err(hdev
, "urb %p failed to resubmit (%d)",
688 usb_unanchor_urb(urb
);
692 static int btusb_submit_intr_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
694 struct btusb_data
*data
= hci_get_drvdata(hdev
);
700 BT_DBG("%s", hdev
->name
);
705 urb
= usb_alloc_urb(0, mem_flags
);
709 size
= le16_to_cpu(data
->intr_ep
->wMaxPacketSize
);
711 buf
= kmalloc(size
, mem_flags
);
717 pipe
= usb_rcvintpipe(data
->udev
, data
->intr_ep
->bEndpointAddress
);
719 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
,
720 btusb_intr_complete
, hdev
, data
->intr_ep
->bInterval
);
722 urb
->transfer_flags
|= URB_FREE_BUFFER
;
724 usb_anchor_urb(urb
, &data
->intr_anchor
);
726 err
= usb_submit_urb(urb
, mem_flags
);
728 if (err
!= -EPERM
&& err
!= -ENODEV
)
729 bt_dev_err(hdev
, "urb %p submission failed (%d)",
731 usb_unanchor_urb(urb
);
739 static void btusb_bulk_complete(struct urb
*urb
)
741 struct hci_dev
*hdev
= urb
->context
;
742 struct btusb_data
*data
= hci_get_drvdata(hdev
);
745 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
748 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
751 if (urb
->status
== 0) {
752 hdev
->stat
.byte_rx
+= urb
->actual_length
;
754 if (data
->recv_bulk(data
, urb
->transfer_buffer
,
755 urb
->actual_length
) < 0) {
756 bt_dev_err(hdev
, "corrupted ACL packet");
759 } else if (urb
->status
== -ENOENT
) {
760 /* Avoid suspend failed when usb_kill_urb */
764 if (!test_bit(BTUSB_BULK_RUNNING
, &data
->flags
))
767 usb_anchor_urb(urb
, &data
->bulk_anchor
);
768 usb_mark_last_busy(data
->udev
);
770 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
772 /* -EPERM: urb is being killed;
773 * -ENODEV: device got disconnected
775 if (err
!= -EPERM
&& err
!= -ENODEV
)
776 bt_dev_err(hdev
, "urb %p failed to resubmit (%d)",
778 usb_unanchor_urb(urb
);
782 static int btusb_submit_bulk_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
784 struct btusb_data
*data
= hci_get_drvdata(hdev
);
788 int err
, size
= HCI_MAX_FRAME_SIZE
;
790 BT_DBG("%s", hdev
->name
);
792 if (!data
->bulk_rx_ep
)
795 urb
= usb_alloc_urb(0, mem_flags
);
799 buf
= kmalloc(size
, mem_flags
);
805 pipe
= usb_rcvbulkpipe(data
->udev
, data
->bulk_rx_ep
->bEndpointAddress
);
807 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
808 btusb_bulk_complete
, hdev
);
810 urb
->transfer_flags
|= URB_FREE_BUFFER
;
812 usb_mark_last_busy(data
->udev
);
813 usb_anchor_urb(urb
, &data
->bulk_anchor
);
815 err
= usb_submit_urb(urb
, mem_flags
);
817 if (err
!= -EPERM
&& err
!= -ENODEV
)
818 bt_dev_err(hdev
, "urb %p submission failed (%d)",
820 usb_unanchor_urb(urb
);
828 static void btusb_isoc_complete(struct urb
*urb
)
830 struct hci_dev
*hdev
= urb
->context
;
831 struct btusb_data
*data
= hci_get_drvdata(hdev
);
834 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
837 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
840 if (urb
->status
== 0) {
841 for (i
= 0; i
< urb
->number_of_packets
; i
++) {
842 unsigned int offset
= urb
->iso_frame_desc
[i
].offset
;
843 unsigned int length
= urb
->iso_frame_desc
[i
].actual_length
;
845 if (urb
->iso_frame_desc
[i
].status
)
848 hdev
->stat
.byte_rx
+= length
;
850 if (btusb_recv_isoc(data
, urb
->transfer_buffer
+ offset
,
852 bt_dev_err(hdev
, "corrupted SCO packet");
856 } else if (urb
->status
== -ENOENT
) {
857 /* Avoid suspend failed when usb_kill_urb */
861 if (!test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
))
864 usb_anchor_urb(urb
, &data
->isoc_anchor
);
866 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
868 /* -EPERM: urb is being killed;
869 * -ENODEV: device got disconnected
871 if (err
!= -EPERM
&& err
!= -ENODEV
)
872 bt_dev_err(hdev
, "urb %p failed to resubmit (%d)",
874 usb_unanchor_urb(urb
);
878 static inline void __fill_isoc_descriptor(struct urb
*urb
, int len
, int mtu
)
882 BT_DBG("len %d mtu %d", len
, mtu
);
884 for (i
= 0; i
< BTUSB_MAX_ISOC_FRAMES
&& len
>= mtu
;
885 i
++, offset
+= mtu
, len
-= mtu
) {
886 urb
->iso_frame_desc
[i
].offset
= offset
;
887 urb
->iso_frame_desc
[i
].length
= mtu
;
890 if (len
&& i
< BTUSB_MAX_ISOC_FRAMES
) {
891 urb
->iso_frame_desc
[i
].offset
= offset
;
892 urb
->iso_frame_desc
[i
].length
= len
;
896 urb
->number_of_packets
= i
;
899 static int btusb_submit_isoc_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
901 struct btusb_data
*data
= hci_get_drvdata(hdev
);
907 BT_DBG("%s", hdev
->name
);
909 if (!data
->isoc_rx_ep
)
912 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, mem_flags
);
916 size
= le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
) *
917 BTUSB_MAX_ISOC_FRAMES
;
919 buf
= kmalloc(size
, mem_flags
);
925 pipe
= usb_rcvisocpipe(data
->udev
, data
->isoc_rx_ep
->bEndpointAddress
);
927 usb_fill_int_urb(urb
, data
->udev
, pipe
, buf
, size
, btusb_isoc_complete
,
928 hdev
, data
->isoc_rx_ep
->bInterval
);
930 urb
->transfer_flags
= URB_FREE_BUFFER
| URB_ISO_ASAP
;
932 __fill_isoc_descriptor(urb
, size
,
933 le16_to_cpu(data
->isoc_rx_ep
->wMaxPacketSize
));
935 usb_anchor_urb(urb
, &data
->isoc_anchor
);
937 err
= usb_submit_urb(urb
, mem_flags
);
939 if (err
!= -EPERM
&& err
!= -ENODEV
)
940 bt_dev_err(hdev
, "urb %p submission failed (%d)",
942 usb_unanchor_urb(urb
);
950 static void btusb_diag_complete(struct urb
*urb
)
952 struct hci_dev
*hdev
= urb
->context
;
953 struct btusb_data
*data
= hci_get_drvdata(hdev
);
956 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
959 if (urb
->status
== 0) {
962 skb
= bt_skb_alloc(urb
->actual_length
, GFP_ATOMIC
);
964 skb_put_data(skb
, urb
->transfer_buffer
,
966 hci_recv_diag(hdev
, skb
);
968 } else if (urb
->status
== -ENOENT
) {
969 /* Avoid suspend failed when usb_kill_urb */
973 if (!test_bit(BTUSB_DIAG_RUNNING
, &data
->flags
))
976 usb_anchor_urb(urb
, &data
->diag_anchor
);
977 usb_mark_last_busy(data
->udev
);
979 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
981 /* -EPERM: urb is being killed;
982 * -ENODEV: device got disconnected
984 if (err
!= -EPERM
&& err
!= -ENODEV
)
985 bt_dev_err(hdev
, "urb %p failed to resubmit (%d)",
987 usb_unanchor_urb(urb
);
991 static int btusb_submit_diag_urb(struct hci_dev
*hdev
, gfp_t mem_flags
)
993 struct btusb_data
*data
= hci_get_drvdata(hdev
);
997 int err
, size
= HCI_MAX_FRAME_SIZE
;
999 BT_DBG("%s", hdev
->name
);
1001 if (!data
->diag_rx_ep
)
1004 urb
= usb_alloc_urb(0, mem_flags
);
1008 buf
= kmalloc(size
, mem_flags
);
1014 pipe
= usb_rcvbulkpipe(data
->udev
, data
->diag_rx_ep
->bEndpointAddress
);
1016 usb_fill_bulk_urb(urb
, data
->udev
, pipe
, buf
, size
,
1017 btusb_diag_complete
, hdev
);
1019 urb
->transfer_flags
|= URB_FREE_BUFFER
;
1021 usb_mark_last_busy(data
->udev
);
1022 usb_anchor_urb(urb
, &data
->diag_anchor
);
1024 err
= usb_submit_urb(urb
, mem_flags
);
1026 if (err
!= -EPERM
&& err
!= -ENODEV
)
1027 bt_dev_err(hdev
, "urb %p submission failed (%d)",
1029 usb_unanchor_urb(urb
);
1037 static void btusb_tx_complete(struct urb
*urb
)
1039 struct sk_buff
*skb
= urb
->context
;
1040 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
1041 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1043 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
1044 urb
->actual_length
);
1046 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1050 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
1052 hdev
->stat
.err_tx
++;
1055 spin_lock(&data
->txlock
);
1056 data
->tx_in_flight
--;
1057 spin_unlock(&data
->txlock
);
1059 kfree(urb
->setup_packet
);
1064 static void btusb_isoc_tx_complete(struct urb
*urb
)
1066 struct sk_buff
*skb
= urb
->context
;
1067 struct hci_dev
*hdev
= (struct hci_dev
*)skb
->dev
;
1069 BT_DBG("%s urb %p status %d count %d", hdev
->name
, urb
, urb
->status
,
1070 urb
->actual_length
);
1072 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
1076 hdev
->stat
.byte_tx
+= urb
->transfer_buffer_length
;
1078 hdev
->stat
.err_tx
++;
1081 kfree(urb
->setup_packet
);
1086 static int btusb_open(struct hci_dev
*hdev
)
1088 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1091 BT_DBG("%s", hdev
->name
);
1093 err
= usb_autopm_get_interface(data
->intf
);
1097 /* Patching USB firmware files prior to starting any URBs of HCI path
1098 * It is more safe to use USB bulk channel for downloading USB patch
1100 if (data
->setup_on_usb
) {
1101 err
= data
->setup_on_usb(hdev
);
1106 data
->intf
->needs_remote_wakeup
= 1;
1107 /* device specific wakeup source enabled and required for USB
1108 * remote wakeup while host is suspended
1110 device_wakeup_enable(&data
->udev
->dev
);
1112 if (test_and_set_bit(BTUSB_INTR_RUNNING
, &data
->flags
))
1115 err
= btusb_submit_intr_urb(hdev
, GFP_KERNEL
);
1119 err
= btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1121 usb_kill_anchored_urbs(&data
->intr_anchor
);
1125 set_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1126 btusb_submit_bulk_urb(hdev
, GFP_KERNEL
);
1129 if (!btusb_submit_diag_urb(hdev
, GFP_KERNEL
))
1130 set_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1134 usb_autopm_put_interface(data
->intf
);
1138 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1139 usb_autopm_put_interface(data
->intf
);
1143 static void btusb_stop_traffic(struct btusb_data
*data
)
1145 usb_kill_anchored_urbs(&data
->intr_anchor
);
1146 usb_kill_anchored_urbs(&data
->bulk_anchor
);
1147 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1148 usb_kill_anchored_urbs(&data
->diag_anchor
);
1151 static int btusb_close(struct hci_dev
*hdev
)
1153 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1156 BT_DBG("%s", hdev
->name
);
1158 cancel_work_sync(&data
->work
);
1159 cancel_work_sync(&data
->waker
);
1161 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1162 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
1163 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
1164 clear_bit(BTUSB_DIAG_RUNNING
, &data
->flags
);
1166 btusb_stop_traffic(data
);
1167 btusb_free_frags(data
);
1169 err
= usb_autopm_get_interface(data
->intf
);
1173 data
->intf
->needs_remote_wakeup
= 0;
1174 device_wakeup_disable(&data
->udev
->dev
);
1175 usb_autopm_put_interface(data
->intf
);
1178 usb_scuttle_anchored_urbs(&data
->deferred
);
1182 static int btusb_flush(struct hci_dev
*hdev
)
1184 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1186 BT_DBG("%s", hdev
->name
);
1188 usb_kill_anchored_urbs(&data
->tx_anchor
);
1189 btusb_free_frags(data
);
1194 static struct urb
*alloc_ctrl_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1196 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1197 struct usb_ctrlrequest
*dr
;
1201 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1203 return ERR_PTR(-ENOMEM
);
1205 dr
= kmalloc(sizeof(*dr
), GFP_KERNEL
);
1208 return ERR_PTR(-ENOMEM
);
1211 dr
->bRequestType
= data
->cmdreq_type
;
1212 dr
->bRequest
= data
->cmdreq
;
1215 dr
->wLength
= __cpu_to_le16(skb
->len
);
1217 pipe
= usb_sndctrlpipe(data
->udev
, 0x00);
1219 usb_fill_control_urb(urb
, data
->udev
, pipe
, (void *)dr
,
1220 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1222 skb
->dev
= (void *)hdev
;
1227 static struct urb
*alloc_bulk_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1229 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1233 if (!data
->bulk_tx_ep
)
1234 return ERR_PTR(-ENODEV
);
1236 urb
= usb_alloc_urb(0, GFP_KERNEL
);
1238 return ERR_PTR(-ENOMEM
);
1240 pipe
= usb_sndbulkpipe(data
->udev
, data
->bulk_tx_ep
->bEndpointAddress
);
1242 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
1243 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
1245 skb
->dev
= (void *)hdev
;
1250 static struct urb
*alloc_isoc_urb(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1252 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1256 if (!data
->isoc_tx_ep
)
1257 return ERR_PTR(-ENODEV
);
1259 urb
= usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES
, GFP_KERNEL
);
1261 return ERR_PTR(-ENOMEM
);
1263 pipe
= usb_sndisocpipe(data
->udev
, data
->isoc_tx_ep
->bEndpointAddress
);
1265 usb_fill_int_urb(urb
, data
->udev
, pipe
,
1266 skb
->data
, skb
->len
, btusb_isoc_tx_complete
,
1267 skb
, data
->isoc_tx_ep
->bInterval
);
1269 urb
->transfer_flags
= URB_ISO_ASAP
;
1271 __fill_isoc_descriptor(urb
, skb
->len
,
1272 le16_to_cpu(data
->isoc_tx_ep
->wMaxPacketSize
));
1274 skb
->dev
= (void *)hdev
;
1279 static int submit_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1281 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1284 usb_anchor_urb(urb
, &data
->tx_anchor
);
1286 err
= usb_submit_urb(urb
, GFP_KERNEL
);
1288 if (err
!= -EPERM
&& err
!= -ENODEV
)
1289 bt_dev_err(hdev
, "urb %p submission failed (%d)",
1291 kfree(urb
->setup_packet
);
1292 usb_unanchor_urb(urb
);
1294 usb_mark_last_busy(data
->udev
);
1301 static int submit_or_queue_tx_urb(struct hci_dev
*hdev
, struct urb
*urb
)
1303 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1304 unsigned long flags
;
1307 spin_lock_irqsave(&data
->txlock
, flags
);
1308 suspending
= test_bit(BTUSB_SUSPENDING
, &data
->flags
);
1310 data
->tx_in_flight
++;
1311 spin_unlock_irqrestore(&data
->txlock
, flags
);
1314 return submit_tx_urb(hdev
, urb
);
1316 usb_anchor_urb(urb
, &data
->deferred
);
1317 schedule_work(&data
->waker
);
1323 static int btusb_send_frame(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1327 BT_DBG("%s", hdev
->name
);
1329 switch (hci_skb_pkt_type(skb
)) {
1330 case HCI_COMMAND_PKT
:
1331 urb
= alloc_ctrl_urb(hdev
, skb
);
1333 return PTR_ERR(urb
);
1335 hdev
->stat
.cmd_tx
++;
1336 return submit_or_queue_tx_urb(hdev
, urb
);
1338 case HCI_ACLDATA_PKT
:
1339 urb
= alloc_bulk_urb(hdev
, skb
);
1341 return PTR_ERR(urb
);
1343 hdev
->stat
.acl_tx
++;
1344 return submit_or_queue_tx_urb(hdev
, urb
);
1346 case HCI_SCODATA_PKT
:
1347 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
1350 urb
= alloc_isoc_urb(hdev
, skb
);
1352 return PTR_ERR(urb
);
1354 hdev
->stat
.sco_tx
++;
1355 return submit_tx_urb(hdev
, urb
);
1361 static void btusb_notify(struct hci_dev
*hdev
, unsigned int evt
)
1363 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1365 BT_DBG("%s evt %d", hdev
->name
, evt
);
1367 if (hci_conn_num(hdev
, SCO_LINK
) != data
->sco_num
) {
1368 data
->sco_num
= hci_conn_num(hdev
, SCO_LINK
);
1369 schedule_work(&data
->work
);
1373 static inline int __set_isoc_interface(struct hci_dev
*hdev
, int altsetting
)
1375 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1376 struct usb_interface
*intf
= data
->isoc
;
1377 struct usb_endpoint_descriptor
*ep_desc
;
1383 err
= usb_set_interface(data
->udev
, data
->isoc_ifnum
, altsetting
);
1385 bt_dev_err(hdev
, "setting interface failed (%d)", -err
);
1389 data
->isoc_altsetting
= altsetting
;
1391 data
->isoc_tx_ep
= NULL
;
1392 data
->isoc_rx_ep
= NULL
;
1394 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
1395 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
1397 if (!data
->isoc_tx_ep
&& usb_endpoint_is_isoc_out(ep_desc
)) {
1398 data
->isoc_tx_ep
= ep_desc
;
1402 if (!data
->isoc_rx_ep
&& usb_endpoint_is_isoc_in(ep_desc
)) {
1403 data
->isoc_rx_ep
= ep_desc
;
1408 if (!data
->isoc_tx_ep
|| !data
->isoc_rx_ep
) {
1409 bt_dev_err(hdev
, "invalid SCO descriptors");
1416 static void btusb_work(struct work_struct
*work
)
1418 struct btusb_data
*data
= container_of(work
, struct btusb_data
, work
);
1419 struct hci_dev
*hdev
= data
->hdev
;
1423 if (data
->sco_num
> 0) {
1424 if (!test_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
)) {
1425 err
= usb_autopm_get_interface(data
->isoc
? data
->isoc
: data
->intf
);
1427 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1428 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1432 set_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
);
1435 if (hdev
->voice_setting
& 0x0020) {
1436 static const int alts
[3] = { 2, 4, 5 };
1438 new_alts
= alts
[data
->sco_num
- 1];
1440 new_alts
= data
->sco_num
;
1443 if (data
->isoc_altsetting
!= new_alts
) {
1444 unsigned long flags
;
1446 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1447 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1449 /* When isochronous alternate setting needs to be
1450 * changed, because SCO connection has been added
1451 * or removed, a packet fragment may be left in the
1452 * reassembling state. This could lead to wrongly
1453 * assembled fragments.
1455 * Clear outstanding fragment when selecting a new
1456 * alternate setting.
1458 spin_lock_irqsave(&data
->rxlock
, flags
);
1459 kfree_skb(data
->sco_skb
);
1460 data
->sco_skb
= NULL
;
1461 spin_unlock_irqrestore(&data
->rxlock
, flags
);
1463 if (__set_isoc_interface(hdev
, new_alts
) < 0)
1467 if (!test_and_set_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
1468 if (btusb_submit_isoc_urb(hdev
, GFP_KERNEL
) < 0)
1469 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1471 btusb_submit_isoc_urb(hdev
, GFP_KERNEL
);
1474 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
1475 usb_kill_anchored_urbs(&data
->isoc_anchor
);
1477 __set_isoc_interface(hdev
, 0);
1478 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME
, &data
->flags
))
1479 usb_autopm_put_interface(data
->isoc
? data
->isoc
: data
->intf
);
1483 static void btusb_waker(struct work_struct
*work
)
1485 struct btusb_data
*data
= container_of(work
, struct btusb_data
, waker
);
1488 err
= usb_autopm_get_interface(data
->intf
);
1492 usb_autopm_put_interface(data
->intf
);
1495 static int btusb_setup_bcm92035(struct hci_dev
*hdev
)
1497 struct sk_buff
*skb
;
1500 BT_DBG("%s", hdev
->name
);
1502 skb
= __hci_cmd_sync(hdev
, 0xfc3b, 1, &val
, HCI_INIT_TIMEOUT
);
1504 bt_dev_err(hdev
, "BCM92035 command failed (%ld)", PTR_ERR(skb
));
1511 static int btusb_setup_csr(struct hci_dev
*hdev
)
1513 struct hci_rp_read_local_version
*rp
;
1514 struct sk_buff
*skb
;
1516 BT_DBG("%s", hdev
->name
);
1518 skb
= __hci_cmd_sync(hdev
, HCI_OP_READ_LOCAL_VERSION
, 0, NULL
,
1521 int err
= PTR_ERR(skb
);
1522 bt_dev_err(hdev
, "CSR: Local version failed (%d)", err
);
1526 if (skb
->len
!= sizeof(struct hci_rp_read_local_version
)) {
1527 bt_dev_err(hdev
, "CSR: Local version length mismatch");
1532 rp
= (struct hci_rp_read_local_version
*)skb
->data
;
1534 /* Detect controllers which aren't real CSR ones. */
1535 if (le16_to_cpu(rp
->manufacturer
) != 10 ||
1536 le16_to_cpu(rp
->lmp_subver
) == 0x0c5c) {
1537 /* Clear the reset quirk since this is not an actual
1538 * early Bluetooth 1.1 device from CSR.
1540 clear_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
1542 /* These fake CSR controllers have all a broken
1543 * stored link key handling and so just disable it.
1545 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
1553 static const struct firmware
*btusb_setup_intel_get_fw(struct hci_dev
*hdev
,
1554 struct intel_version
*ver
)
1556 const struct firmware
*fw
;
1560 snprintf(fwname
, sizeof(fwname
),
1561 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1562 ver
->hw_platform
, ver
->hw_variant
, ver
->hw_revision
,
1563 ver
->fw_variant
, ver
->fw_revision
, ver
->fw_build_num
,
1564 ver
->fw_build_ww
, ver
->fw_build_yy
);
1566 ret
= request_firmware(&fw
, fwname
, &hdev
->dev
);
1568 if (ret
== -EINVAL
) {
1569 BT_ERR("%s Intel firmware file request failed (%d)",
1574 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1575 hdev
->name
, fwname
, ret
);
1577 /* If the correct firmware patch file is not found, use the
1578 * default firmware patch file instead
1580 snprintf(fwname
, sizeof(fwname
), "intel/ibt-hw-%x.%x.bseq",
1581 ver
->hw_platform
, ver
->hw_variant
);
1582 if (request_firmware(&fw
, fwname
, &hdev
->dev
) < 0) {
1583 BT_ERR("%s failed to open default Intel fw file: %s",
1584 hdev
->name
, fwname
);
1589 bt_dev_info(hdev
, "Intel Bluetooth firmware file: %s", fwname
);
1594 static int btusb_setup_intel_patching(struct hci_dev
*hdev
,
1595 const struct firmware
*fw
,
1596 const u8
**fw_ptr
, int *disable_patch
)
1598 struct sk_buff
*skb
;
1599 struct hci_command_hdr
*cmd
;
1600 const u8
*cmd_param
;
1601 struct hci_event_hdr
*evt
= NULL
;
1602 const u8
*evt_param
= NULL
;
1603 int remain
= fw
->size
- (*fw_ptr
- fw
->data
);
1605 /* The first byte indicates the types of the patch command or event.
1606 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1607 * in the current firmware buffer doesn't start with 0x01 or
1608 * the size of remain buffer is smaller than HCI command header,
1609 * the firmware file is corrupted and it should stop the patching
1612 if (remain
> HCI_COMMAND_HDR_SIZE
&& *fw_ptr
[0] != 0x01) {
1613 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev
->name
);
1619 cmd
= (struct hci_command_hdr
*)(*fw_ptr
);
1620 *fw_ptr
+= sizeof(*cmd
);
1621 remain
-= sizeof(*cmd
);
1623 /* Ensure that the remain firmware data is long enough than the length
1624 * of command parameter. If not, the firmware file is corrupted.
1626 if (remain
< cmd
->plen
) {
1627 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev
->name
);
1631 /* If there is a command that loads a patch in the firmware
1632 * file, then enable the patch upon success, otherwise just
1633 * disable the manufacturer mode, for example patch activation
1634 * is not required when the default firmware patch file is used
1635 * because there are no patch data to load.
1637 if (*disable_patch
&& le16_to_cpu(cmd
->opcode
) == 0xfc8e)
1640 cmd_param
= *fw_ptr
;
1641 *fw_ptr
+= cmd
->plen
;
1642 remain
-= cmd
->plen
;
1644 /* This reads the expected events when the above command is sent to the
1645 * device. Some vendor commands expects more than one events, for
1646 * example command status event followed by vendor specific event.
1647 * For this case, it only keeps the last expected event. so the command
1648 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1649 * last expected event.
1651 while (remain
> HCI_EVENT_HDR_SIZE
&& *fw_ptr
[0] == 0x02) {
1655 evt
= (struct hci_event_hdr
*)(*fw_ptr
);
1656 *fw_ptr
+= sizeof(*evt
);
1657 remain
-= sizeof(*evt
);
1659 if (remain
< evt
->plen
) {
1660 BT_ERR("%s Intel fw corrupted: invalid evt len",
1665 evt_param
= *fw_ptr
;
1666 *fw_ptr
+= evt
->plen
;
1667 remain
-= evt
->plen
;
1670 /* Every HCI commands in the firmware file has its correspond event.
1671 * If event is not found or remain is smaller than zero, the firmware
1672 * file is corrupted.
1674 if (!evt
|| !evt_param
|| remain
< 0) {
1675 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev
->name
);
1679 skb
= __hci_cmd_sync_ev(hdev
, le16_to_cpu(cmd
->opcode
), cmd
->plen
,
1680 cmd_param
, evt
->evt
, HCI_INIT_TIMEOUT
);
1682 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1683 hdev
->name
, cmd
->opcode
, PTR_ERR(skb
));
1684 return PTR_ERR(skb
);
1687 /* It ensures that the returned event matches the event data read from
1688 * the firmware file. At fist, it checks the length and then
1689 * the contents of the event.
1691 if (skb
->len
!= evt
->plen
) {
1692 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev
->name
,
1693 le16_to_cpu(cmd
->opcode
));
1698 if (memcmp(skb
->data
, evt_param
, evt
->plen
)) {
1699 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1700 hdev
->name
, le16_to_cpu(cmd
->opcode
));
1709 static int btusb_setup_intel(struct hci_dev
*hdev
)
1711 struct sk_buff
*skb
;
1712 const struct firmware
*fw
;
1714 int disable_patch
, err
;
1715 struct intel_version ver
;
1717 BT_DBG("%s", hdev
->name
);
1719 /* The controller has a bug with the first HCI command sent to it
1720 * returning number of completed commands as zero. This would stall the
1721 * command processing in the Bluetooth core.
1723 * As a workaround, send HCI Reset command first which will reset the
1724 * number of completed commands and allow normal command processing
1727 skb
= __hci_cmd_sync(hdev
, HCI_OP_RESET
, 0, NULL
, HCI_INIT_TIMEOUT
);
1729 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1730 hdev
->name
, PTR_ERR(skb
));
1731 return PTR_ERR(skb
);
1735 /* Read Intel specific controller version first to allow selection of
1736 * which firmware file to load.
1738 * The returned information are hardware variant and revision plus
1739 * firmware variant, revision and build number.
1741 err
= btintel_read_version(hdev
, &ver
);
1745 bt_dev_info(hdev
, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1746 ver
.hw_platform
, ver
.hw_variant
, ver
.hw_revision
,
1747 ver
.fw_variant
, ver
.fw_revision
, ver
.fw_build_num
,
1748 ver
.fw_build_ww
, ver
.fw_build_yy
, ver
.fw_patch_num
);
1750 /* fw_patch_num indicates the version of patch the device currently
1751 * have. If there is no patch data in the device, it is always 0x00.
1752 * So, if it is other than 0x00, no need to patch the device again.
1754 if (ver
.fw_patch_num
) {
1755 bt_dev_info(hdev
, "Intel device is already patched. "
1756 "patch num: %02x", ver
.fw_patch_num
);
1760 /* Opens the firmware patch file based on the firmware version read
1761 * from the controller. If it fails to open the matching firmware
1762 * patch file, it tries to open the default firmware patch file.
1763 * If no patch file is found, allow the device to operate without
1766 fw
= btusb_setup_intel_get_fw(hdev
, &ver
);
1771 /* Enable the manufacturer mode of the controller.
1772 * Only while this mode is enabled, the driver can download the
1773 * firmware patch data and configuration parameters.
1775 err
= btintel_enter_mfg(hdev
);
1777 release_firmware(fw
);
1783 /* The firmware data file consists of list of Intel specific HCI
1784 * commands and its expected events. The first byte indicates the
1785 * type of the message, either HCI command or HCI event.
1787 * It reads the command and its expected event from the firmware file,
1788 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1789 * the returned event is compared with the event read from the firmware
1790 * file and it will continue until all the messages are downloaded to
1793 * Once the firmware patching is completed successfully,
1794 * the manufacturer mode is disabled with reset and activating the
1797 * If the firmware patching fails, the manufacturer mode is
1798 * disabled with reset and deactivating the patch.
1800 * If the default patch file is used, no reset is done when disabling
1803 while (fw
->size
> fw_ptr
- fw
->data
) {
1806 ret
= btusb_setup_intel_patching(hdev
, fw
, &fw_ptr
,
1809 goto exit_mfg_deactivate
;
1812 release_firmware(fw
);
1815 goto exit_mfg_disable
;
1817 /* Patching completed successfully and disable the manufacturer mode
1818 * with reset and activate the downloaded firmware patches.
1820 err
= btintel_exit_mfg(hdev
, true, true);
1824 bt_dev_info(hdev
, "Intel firmware patch completed and activated");
1829 /* Disable the manufacturer mode without reset */
1830 err
= btintel_exit_mfg(hdev
, false, false);
1834 bt_dev_info(hdev
, "Intel firmware patch completed");
1838 exit_mfg_deactivate
:
1839 release_firmware(fw
);
1841 /* Patching failed. Disable the manufacturer mode with reset and
1842 * deactivate the downloaded firmware patches.
1844 err
= btintel_exit_mfg(hdev
, true, false);
1848 bt_dev_info(hdev
, "Intel firmware patch completed and deactivated");
1851 /* Set the event mask for Intel specific vendor events. This enables
1852 * a few extra events that are useful during general operation.
1854 btintel_set_event_mask_mfg(hdev
, false);
1856 btintel_check_bdaddr(hdev
);
1860 static int inject_cmd_complete(struct hci_dev
*hdev
, __u16 opcode
)
1862 struct sk_buff
*skb
;
1863 struct hci_event_hdr
*hdr
;
1864 struct hci_ev_cmd_complete
*evt
;
1866 skb
= bt_skb_alloc(sizeof(*hdr
) + sizeof(*evt
) + 1, GFP_ATOMIC
);
1870 hdr
= skb_put(skb
, sizeof(*hdr
));
1871 hdr
->evt
= HCI_EV_CMD_COMPLETE
;
1872 hdr
->plen
= sizeof(*evt
) + 1;
1874 evt
= skb_put(skb
, sizeof(*evt
));
1876 evt
->opcode
= cpu_to_le16(opcode
);
1878 skb_put_u8(skb
, 0x00);
1880 hci_skb_pkt_type(skb
) = HCI_EVENT_PKT
;
1882 return hci_recv_frame(hdev
, skb
);
1885 static int btusb_recv_bulk_intel(struct btusb_data
*data
, void *buffer
,
1888 /* When the device is in bootloader mode, then it can send
1889 * events via the bulk endpoint. These events are treated the
1890 * same way as the ones received from the interrupt endpoint.
1892 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
))
1893 return btusb_recv_intr(data
, buffer
, count
);
1895 return btusb_recv_bulk(data
, buffer
, count
);
1898 static void btusb_intel_bootup(struct btusb_data
*data
, const void *ptr
,
1901 const struct intel_bootup
*evt
= ptr
;
1903 if (len
!= sizeof(*evt
))
1906 if (test_and_clear_bit(BTUSB_BOOTING
, &data
->flags
)) {
1907 smp_mb__after_atomic();
1908 wake_up_bit(&data
->flags
, BTUSB_BOOTING
);
1912 static void btusb_intel_secure_send_result(struct btusb_data
*data
,
1913 const void *ptr
, unsigned int len
)
1915 const struct intel_secure_send_result
*evt
= ptr
;
1917 if (len
!= sizeof(*evt
))
1921 set_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
);
1923 if (test_and_clear_bit(BTUSB_DOWNLOADING
, &data
->flags
) &&
1924 test_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
)) {
1925 smp_mb__after_atomic();
1926 wake_up_bit(&data
->flags
, BTUSB_DOWNLOADING
);
1930 static int btusb_recv_event_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1932 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1934 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1935 struct hci_event_hdr
*hdr
= (void *)skb
->data
;
1937 if (skb
->len
> HCI_EVENT_HDR_SIZE
&& hdr
->evt
== 0xff &&
1939 const void *ptr
= skb
->data
+ HCI_EVENT_HDR_SIZE
+ 1;
1940 unsigned int len
= skb
->len
- HCI_EVENT_HDR_SIZE
- 1;
1942 switch (skb
->data
[2]) {
1944 /* When switching to the operational firmware
1945 * the device sends a vendor specific event
1946 * indicating that the bootup completed.
1948 btusb_intel_bootup(data
, ptr
, len
);
1951 /* When the firmware loading completes the
1952 * device sends out a vendor specific event
1953 * indicating the result of the firmware
1956 btusb_intel_secure_send_result(data
, ptr
, len
);
1962 return hci_recv_frame(hdev
, skb
);
1965 static int btusb_send_frame_intel(struct hci_dev
*hdev
, struct sk_buff
*skb
)
1967 struct btusb_data
*data
= hci_get_drvdata(hdev
);
1970 BT_DBG("%s", hdev
->name
);
1972 switch (hci_skb_pkt_type(skb
)) {
1973 case HCI_COMMAND_PKT
:
1974 if (test_bit(BTUSB_BOOTLOADER
, &data
->flags
)) {
1975 struct hci_command_hdr
*cmd
= (void *)skb
->data
;
1976 __u16 opcode
= le16_to_cpu(cmd
->opcode
);
1978 /* When in bootloader mode and the command 0xfc09
1979 * is received, it needs to be send down the
1980 * bulk endpoint. So allocate a bulk URB instead.
1982 if (opcode
== 0xfc09)
1983 urb
= alloc_bulk_urb(hdev
, skb
);
1985 urb
= alloc_ctrl_urb(hdev
, skb
);
1987 /* When the 0xfc01 command is issued to boot into
1988 * the operational firmware, it will actually not
1989 * send a command complete event. To keep the flow
1990 * control working inject that event here.
1992 if (opcode
== 0xfc01)
1993 inject_cmd_complete(hdev
, opcode
);
1995 urb
= alloc_ctrl_urb(hdev
, skb
);
1998 return PTR_ERR(urb
);
2000 hdev
->stat
.cmd_tx
++;
2001 return submit_or_queue_tx_urb(hdev
, urb
);
2003 case HCI_ACLDATA_PKT
:
2004 urb
= alloc_bulk_urb(hdev
, skb
);
2006 return PTR_ERR(urb
);
2008 hdev
->stat
.acl_tx
++;
2009 return submit_or_queue_tx_urb(hdev
, urb
);
2011 case HCI_SCODATA_PKT
:
2012 if (hci_conn_num(hdev
, SCO_LINK
) < 1)
2015 urb
= alloc_isoc_urb(hdev
, skb
);
2017 return PTR_ERR(urb
);
2019 hdev
->stat
.sco_tx
++;
2020 return submit_tx_urb(hdev
, urb
);
2026 static int btusb_setup_intel_new(struct hci_dev
*hdev
)
2028 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2029 struct intel_version ver
;
2030 struct intel_boot_params params
;
2031 const struct firmware
*fw
;
2034 ktime_t calltime
, delta
, rettime
;
2035 unsigned long long duration
;
2038 BT_DBG("%s", hdev
->name
);
2040 /* Set the default boot parameter to 0x0 and it is updated to
2041 * SKU specific boot parameter after reading Intel_Write_Boot_Params
2042 * command while downloading the firmware.
2044 boot_param
= 0x00000000;
2046 calltime
= ktime_get();
2048 /* Read the Intel version information to determine if the device
2049 * is in bootloader mode or if it already has operational firmware
2052 err
= btintel_read_version(hdev
, &ver
);
2056 /* The hardware platform number has a fixed value of 0x37 and
2057 * for now only accept this single value.
2059 if (ver
.hw_platform
!= 0x37) {
2060 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
2061 hdev
->name
, ver
.hw_platform
);
2065 /* Check for supported iBT hardware variants of this firmware
2068 * This check has been put in place to ensure correct forward
2069 * compatibility options when newer hardware variants come along.
2071 switch (ver
.hw_variant
) {
2072 case 0x0b: /* SfP */
2073 case 0x0c: /* WsP */
2074 case 0x11: /* JfP */
2075 case 0x12: /* ThP */
2078 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
2079 hdev
->name
, ver
.hw_variant
);
2083 btintel_version_info(hdev
, &ver
);
2085 /* The firmware variant determines if the device is in bootloader
2086 * mode or is running operational firmware. The value 0x06 identifies
2087 * the bootloader and the value 0x23 identifies the operational
2090 * When the operational firmware is already present, then only
2091 * the check for valid Bluetooth device address is needed. This
2092 * determines if the device will be added as configured or
2093 * unconfigured controller.
2095 * It is not possible to use the Secure Boot Parameters in this
2096 * case since that command is only available in bootloader mode.
2098 if (ver
.fw_variant
== 0x23) {
2099 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2100 btintel_check_bdaddr(hdev
);
2104 /* If the device is not in bootloader mode, then the only possible
2105 * choice is to return an error and abort the device initialization.
2107 if (ver
.fw_variant
!= 0x06) {
2108 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
2109 hdev
->name
, ver
.fw_variant
);
2113 /* Read the secure boot parameters to identify the operating
2114 * details of the bootloader.
2116 err
= btintel_read_boot_params(hdev
, ¶ms
);
2120 /* It is required that every single firmware fragment is acknowledged
2121 * with a command complete event. If the boot parameters indicate
2122 * that this bootloader does not send them, then abort the setup.
2124 if (params
.limited_cce
!= 0x00) {
2125 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2126 hdev
->name
, params
.limited_cce
);
2130 /* If the OTP has no valid Bluetooth device address, then there will
2131 * also be no valid address for the operational firmware.
2133 if (!bacmp(¶ms
.otp_bdaddr
, BDADDR_ANY
)) {
2134 bt_dev_info(hdev
, "No device address configured");
2135 set_bit(HCI_QUIRK_INVALID_BDADDR
, &hdev
->quirks
);
2138 /* With this Intel bootloader only the hardware variant and device
2139 * revision information are used to select the right firmware for SfP
2142 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
2144 * Currently the supported hardware variants are:
2145 * 11 (0x0b) for iBT3.0 (LnP/SfP)
2146 * 12 (0x0c) for iBT3.5 (WsP)
2148 * For ThP/JfP and for future SKU's, the FW name varies based on HW
2149 * variant, HW revision and FW revision, as these are dependent on CNVi
2150 * and RF Combination.
2152 * 17 (0x11) for iBT3.5 (JfP)
2153 * 18 (0x12) for iBT3.5 (ThP)
2155 * The firmware file name for these will be
2156 * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi.
2159 switch (ver
.hw_variant
) {
2160 case 0x0b: /* SfP */
2161 case 0x0c: /* WsP */
2162 snprintf(fwname
, sizeof(fwname
), "intel/ibt-%u-%u.sfi",
2163 le16_to_cpu(ver
.hw_variant
),
2164 le16_to_cpu(params
.dev_revid
));
2166 case 0x11: /* JfP */
2167 case 0x12: /* ThP */
2168 snprintf(fwname
, sizeof(fwname
), "intel/ibt-%u-%u-%u.sfi",
2169 le16_to_cpu(ver
.hw_variant
),
2170 le16_to_cpu(ver
.hw_revision
),
2171 le16_to_cpu(ver
.fw_revision
));
2174 BT_ERR("%s: Unsupported Intel firmware naming", hdev
->name
);
2178 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2180 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2185 bt_dev_info(hdev
, "Found device firmware: %s", fwname
);
2187 /* Save the DDC file name for later use to apply once the firmware
2188 * downloading is done.
2190 switch (ver
.hw_variant
) {
2191 case 0x0b: /* SfP */
2192 case 0x0c: /* WsP */
2193 snprintf(fwname
, sizeof(fwname
), "intel/ibt-%u-%u.ddc",
2194 le16_to_cpu(ver
.hw_variant
),
2195 le16_to_cpu(params
.dev_revid
));
2197 case 0x11: /* JfP */
2198 case 0x12: /* ThP */
2199 snprintf(fwname
, sizeof(fwname
), "intel/ibt-%u-%u-%u.ddc",
2200 le16_to_cpu(ver
.hw_variant
),
2201 le16_to_cpu(ver
.hw_revision
),
2202 le16_to_cpu(ver
.fw_revision
));
2205 BT_ERR("%s: Unsupported Intel firmware naming", hdev
->name
);
2209 if (fw
->size
< 644) {
2210 BT_ERR("%s: Invalid size of firmware file (%zu)",
2211 hdev
->name
, fw
->size
);
2216 set_bit(BTUSB_DOWNLOADING
, &data
->flags
);
2218 /* Start firmware downloading and get boot parameter */
2219 err
= btintel_download_firmware(hdev
, fw
, &boot_param
);
2223 set_bit(BTUSB_FIRMWARE_LOADED
, &data
->flags
);
2225 bt_dev_info(hdev
, "Waiting for firmware download to complete");
2227 /* Before switching the device into operational mode and with that
2228 * booting the loaded firmware, wait for the bootloader notification
2229 * that all fragments have been successfully received.
2231 * When the event processing receives the notification, then the
2232 * BTUSB_DOWNLOADING flag will be cleared.
2234 * The firmware loading should not take longer than 5 seconds
2235 * and thus just timeout if that happens and fail the setup
2238 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_DOWNLOADING
,
2240 msecs_to_jiffies(5000));
2241 if (err
== -EINTR
) {
2242 BT_ERR("%s: Firmware loading interrupted", hdev
->name
);
2247 BT_ERR("%s: Firmware loading timeout", hdev
->name
);
2252 if (test_bit(BTUSB_FIRMWARE_FAILED
, &data
->flags
)) {
2253 BT_ERR("%s: Firmware loading failed", hdev
->name
);
2258 rettime
= ktime_get();
2259 delta
= ktime_sub(rettime
, calltime
);
2260 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2262 bt_dev_info(hdev
, "Firmware loaded in %llu usecs", duration
);
2265 release_firmware(fw
);
2270 calltime
= ktime_get();
2272 set_bit(BTUSB_BOOTING
, &data
->flags
);
2274 err
= btintel_send_intel_reset(hdev
, boot_param
);
2278 /* The bootloader will not indicate when the device is ready. This
2279 * is done by the operational firmware sending bootup notification.
2281 * Booting into operational firmware should not take longer than
2282 * 1 second. However if that happens, then just fail the setup
2283 * since something went wrong.
2285 bt_dev_info(hdev
, "Waiting for device to boot");
2287 err
= wait_on_bit_timeout(&data
->flags
, BTUSB_BOOTING
,
2289 msecs_to_jiffies(1000));
2291 if (err
== -EINTR
) {
2292 BT_ERR("%s: Device boot interrupted", hdev
->name
);
2297 BT_ERR("%s: Device boot timeout", hdev
->name
);
2301 rettime
= ktime_get();
2302 delta
= ktime_sub(rettime
, calltime
);
2303 duration
= (unsigned long long) ktime_to_ns(delta
) >> 10;
2305 bt_dev_info(hdev
, "Device booted in %llu usecs", duration
);
2307 clear_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2309 /* Once the device is running in operational mode, it needs to apply
2310 * the device configuration (DDC) parameters.
2312 * The device can work without DDC parameters, so even if it fails
2313 * to load the file, no need to fail the setup.
2315 btintel_load_ddc_config(hdev
, fwname
);
2317 /* Set the event mask for Intel specific vendor events. This enables
2318 * a few extra events that are useful during general operation. It
2319 * does not enable any debugging related events.
2321 * The device will function correctly without these events enabled
2322 * and thus no need to fail the setup.
2324 btintel_set_event_mask(hdev
, false);
2329 static int btusb_shutdown_intel(struct hci_dev
*hdev
)
2331 struct sk_buff
*skb
;
2334 /* Some platforms have an issue with BT LED when the interface is
2335 * down or BT radio is turned off, which takes 5 seconds to BT LED
2336 * goes off. This command turns off the BT LED immediately.
2338 skb
= __hci_cmd_sync(hdev
, 0xfc3f, 0, NULL
, HCI_INIT_TIMEOUT
);
2341 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2351 /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
2352 static int marvell_config_oob_wake(struct hci_dev
*hdev
)
2354 struct sk_buff
*skb
;
2355 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2356 struct device
*dev
= &data
->udev
->dev
;
2357 u16 pin
, gap
, opcode
;
2361 /* Move on if no wakeup pin specified */
2362 if (of_property_read_u16(dev
->of_node
, "marvell,wakeup-pin", &pin
) ||
2363 of_property_read_u16(dev
->of_node
, "marvell,wakeup-gap-ms", &gap
))
2366 /* Vendor specific command to configure a GPIO as wake-up pin */
2367 opcode
= hci_opcode_pack(0x3F, 0x59);
2368 cmd
[0] = opcode
& 0xFF;
2369 cmd
[1] = opcode
>> 8;
2370 cmd
[2] = 2; /* length of parameters that follow */
2372 cmd
[4] = gap
; /* time in ms, for which wakeup pin should be asserted */
2374 skb
= bt_skb_alloc(sizeof(cmd
), GFP_KERNEL
);
2376 bt_dev_err(hdev
, "%s: No memory\n", __func__
);
2380 skb_put_data(skb
, cmd
, sizeof(cmd
));
2381 hci_skb_pkt_type(skb
) = HCI_COMMAND_PKT
;
2383 ret
= btusb_send_frame(hdev
, skb
);
2385 bt_dev_err(hdev
, "%s: configuration failed\n", __func__
);
2394 static int btusb_set_bdaddr_marvell(struct hci_dev
*hdev
,
2395 const bdaddr_t
*bdaddr
)
2397 struct sk_buff
*skb
;
2402 buf
[1] = sizeof(bdaddr_t
);
2403 memcpy(buf
+ 2, bdaddr
, sizeof(bdaddr_t
));
2405 skb
= __hci_cmd_sync(hdev
, 0xfc22, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2408 bt_dev_err(hdev
, "changing Marvell device address failed (%ld)",
2417 static int btusb_set_bdaddr_ath3012(struct hci_dev
*hdev
,
2418 const bdaddr_t
*bdaddr
)
2420 struct sk_buff
*skb
;
2427 buf
[3] = sizeof(bdaddr_t
);
2428 memcpy(buf
+ 4, bdaddr
, sizeof(bdaddr_t
));
2430 skb
= __hci_cmd_sync(hdev
, 0xfc0b, sizeof(buf
), buf
, HCI_INIT_TIMEOUT
);
2433 bt_dev_err(hdev
, "Change address command failed (%ld)", ret
);
2441 #define QCA_DFU_PACKET_LEN 4096
2443 #define QCA_GET_TARGET_VERSION 0x09
2444 #define QCA_CHECK_STATUS 0x05
2445 #define QCA_DFU_DOWNLOAD 0x01
2447 #define QCA_SYSCFG_UPDATED 0x40
2448 #define QCA_PATCH_UPDATED 0x80
2449 #define QCA_DFU_TIMEOUT 3000
2451 struct qca_version
{
2453 __le32 patch_version
;
2459 struct qca_rampatch_version
{
2461 __le16 patch_version
;
2464 struct qca_device_info
{
2466 u8 rampatch_hdr
; /* length of header in rampatch */
2467 u8 nvm_hdr
; /* length of header in NVM */
2468 u8 ver_offset
; /* offset of version structure in rampatch */
2471 static const struct qca_device_info qca_devices_table
[] = {
2472 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2473 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
2474 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
2475 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2476 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2477 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2480 static int btusb_qca_send_vendor_req(struct hci_dev
*hdev
, u8 request
,
2481 void *data
, u16 size
)
2483 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2484 struct usb_device
*udev
= btdata
->udev
;
2488 buf
= kmalloc(size
, GFP_KERNEL
);
2492 /* Found some of USB hosts have IOT issues with ours so that we should
2493 * not wait until HCI layer is ready.
2495 pipe
= usb_rcvctrlpipe(udev
, 0);
2496 err
= usb_control_msg(udev
, pipe
, request
, USB_TYPE_VENDOR
| USB_DIR_IN
,
2497 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2499 bt_dev_err(hdev
, "Failed to access otp area (%d)", err
);
2503 memcpy(data
, buf
, size
);
2511 static int btusb_setup_qca_download_fw(struct hci_dev
*hdev
,
2512 const struct firmware
*firmware
,
2515 struct btusb_data
*btdata
= hci_get_drvdata(hdev
);
2516 struct usb_device
*udev
= btdata
->udev
;
2517 size_t count
, size
, sent
= 0;
2521 buf
= kmalloc(QCA_DFU_PACKET_LEN
, GFP_KERNEL
);
2525 count
= firmware
->size
;
2527 size
= min_t(size_t, count
, hdr_size
);
2528 memcpy(buf
, firmware
->data
, size
);
2530 /* USB patches should go down to controller through USB path
2531 * because binary format fits to go down through USB channel.
2532 * USB control path is for patching headers and USB bulk is for
2535 pipe
= usb_sndctrlpipe(udev
, 0);
2536 err
= usb_control_msg(udev
, pipe
, QCA_DFU_DOWNLOAD
, USB_TYPE_VENDOR
,
2537 0, 0, buf
, size
, USB_CTRL_SET_TIMEOUT
);
2539 bt_dev_err(hdev
, "Failed to send headers (%d)", err
);
2547 size
= min_t(size_t, count
, QCA_DFU_PACKET_LEN
);
2549 memcpy(buf
, firmware
->data
+ sent
, size
);
2551 pipe
= usb_sndbulkpipe(udev
, 0x02);
2552 err
= usb_bulk_msg(udev
, pipe
, buf
, size
, &len
,
2555 bt_dev_err(hdev
, "Failed to send body at %zd of %zd (%d)",
2556 sent
, firmware
->size
, err
);
2561 bt_dev_err(hdev
, "Failed to get bulk buffer");
2575 static int btusb_setup_qca_load_rampatch(struct hci_dev
*hdev
,
2576 struct qca_version
*ver
,
2577 const struct qca_device_info
*info
)
2579 struct qca_rampatch_version
*rver
;
2580 const struct firmware
*fw
;
2581 u32 ver_rom
, ver_patch
;
2582 u16 rver_rom
, rver_patch
;
2586 ver_rom
= le32_to_cpu(ver
->rom_version
);
2587 ver_patch
= le32_to_cpu(ver
->patch_version
);
2589 snprintf(fwname
, sizeof(fwname
), "qca/rampatch_usb_%08x.bin", ver_rom
);
2591 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2593 bt_dev_err(hdev
, "failed to request rampatch file: %s (%d)",
2598 bt_dev_info(hdev
, "using rampatch file: %s", fwname
);
2600 rver
= (struct qca_rampatch_version
*)(fw
->data
+ info
->ver_offset
);
2601 rver_rom
= le16_to_cpu(rver
->rom_version
);
2602 rver_patch
= le16_to_cpu(rver
->patch_version
);
2604 bt_dev_info(hdev
, "QCA: patch rome 0x%x build 0x%x, "
2605 "firmware rome 0x%x build 0x%x",
2606 rver_rom
, rver_patch
, ver_rom
, ver_patch
);
2608 if (rver_rom
!= ver_rom
|| rver_patch
<= ver_patch
) {
2609 bt_dev_err(hdev
, "rampatch file version did not match with firmware");
2614 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->rampatch_hdr
);
2617 release_firmware(fw
);
2622 static int btusb_setup_qca_load_nvm(struct hci_dev
*hdev
,
2623 struct qca_version
*ver
,
2624 const struct qca_device_info
*info
)
2626 const struct firmware
*fw
;
2630 snprintf(fwname
, sizeof(fwname
), "qca/nvm_usb_%08x.bin",
2631 le32_to_cpu(ver
->rom_version
));
2633 err
= request_firmware(&fw
, fwname
, &hdev
->dev
);
2635 bt_dev_err(hdev
, "failed to request NVM file: %s (%d)",
2640 bt_dev_info(hdev
, "using NVM file: %s", fwname
);
2642 err
= btusb_setup_qca_download_fw(hdev
, fw
, info
->nvm_hdr
);
2644 release_firmware(fw
);
2649 static int btusb_setup_qca(struct hci_dev
*hdev
)
2651 const struct qca_device_info
*info
= NULL
;
2652 struct qca_version ver
;
2657 err
= btusb_qca_send_vendor_req(hdev
, QCA_GET_TARGET_VERSION
, &ver
,
2662 ver_rom
= le32_to_cpu(ver
.rom_version
);
2663 for (i
= 0; i
< ARRAY_SIZE(qca_devices_table
); i
++) {
2664 if (ver_rom
== qca_devices_table
[i
].rom_version
)
2665 info
= &qca_devices_table
[i
];
2668 bt_dev_err(hdev
, "don't support firmware rome 0x%x", ver_rom
);
2672 err
= btusb_qca_send_vendor_req(hdev
, QCA_CHECK_STATUS
, &status
,
2677 if (!(status
& QCA_PATCH_UPDATED
)) {
2678 err
= btusb_setup_qca_load_rampatch(hdev
, &ver
, info
);
2683 if (!(status
& QCA_SYSCFG_UPDATED
)) {
2684 err
= btusb_setup_qca_load_nvm(hdev
, &ver
, info
);
2692 #ifdef CONFIG_BT_HCIBTUSB_BCM
2693 static inline int __set_diag_interface(struct hci_dev
*hdev
)
2695 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2696 struct usb_interface
*intf
= data
->diag
;
2702 data
->diag_tx_ep
= NULL
;
2703 data
->diag_rx_ep
= NULL
;
2705 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2706 struct usb_endpoint_descriptor
*ep_desc
;
2708 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2710 if (!data
->diag_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2711 data
->diag_tx_ep
= ep_desc
;
2715 if (!data
->diag_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2716 data
->diag_rx_ep
= ep_desc
;
2721 if (!data
->diag_tx_ep
|| !data
->diag_rx_ep
) {
2722 bt_dev_err(hdev
, "invalid diagnostic descriptors");
2729 static struct urb
*alloc_diag_urb(struct hci_dev
*hdev
, bool enable
)
2731 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2732 struct sk_buff
*skb
;
2736 if (!data
->diag_tx_ep
)
2737 return ERR_PTR(-ENODEV
);
2739 urb
= usb_alloc_urb(0, GFP_KERNEL
);
2741 return ERR_PTR(-ENOMEM
);
2743 skb
= bt_skb_alloc(2, GFP_KERNEL
);
2746 return ERR_PTR(-ENOMEM
);
2749 skb_put_u8(skb
, 0xf0);
2750 skb_put_u8(skb
, enable
);
2752 pipe
= usb_sndbulkpipe(data
->udev
, data
->diag_tx_ep
->bEndpointAddress
);
2754 usb_fill_bulk_urb(urb
, data
->udev
, pipe
,
2755 skb
->data
, skb
->len
, btusb_tx_complete
, skb
);
2757 skb
->dev
= (void *)hdev
;
2762 static int btusb_bcm_set_diag(struct hci_dev
*hdev
, bool enable
)
2764 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2770 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
2773 urb
= alloc_diag_urb(hdev
, enable
);
2775 return PTR_ERR(urb
);
2777 return submit_or_queue_tx_urb(hdev
, urb
);
2782 static irqreturn_t
btusb_oob_wake_handler(int irq
, void *priv
)
2784 struct btusb_data
*data
= priv
;
2786 pm_wakeup_event(&data
->udev
->dev
, 0);
2789 /* Disable only if not already disabled (keep it balanced) */
2790 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED
, &data
->flags
)) {
2791 disable_irq_nosync(irq
);
2792 disable_irq_wake(irq
);
2797 static const struct of_device_id btusb_match_table
[] = {
2798 { .compatible
= "usb1286,204e" },
2801 MODULE_DEVICE_TABLE(of
, btusb_match_table
);
2803 /* Use an oob wakeup pin? */
2804 static int btusb_config_oob_wake(struct hci_dev
*hdev
)
2806 struct btusb_data
*data
= hci_get_drvdata(hdev
);
2807 struct device
*dev
= &data
->udev
->dev
;
2810 clear_bit(BTUSB_OOB_WAKE_ENABLED
, &data
->flags
);
2812 if (!of_match_device(btusb_match_table
, dev
))
2815 /* Move on if no IRQ specified */
2816 irq
= of_irq_get_byname(dev
->of_node
, "wakeup");
2818 bt_dev_dbg(hdev
, "%s: no OOB Wakeup IRQ in DT", __func__
);
2822 ret
= devm_request_irq(&hdev
->dev
, irq
, btusb_oob_wake_handler
,
2823 0, "OOB Wake-on-BT", data
);
2825 bt_dev_err(hdev
, "%s: IRQ request failed", __func__
);
2829 ret
= device_init_wakeup(dev
, true);
2831 bt_dev_err(hdev
, "%s: failed to init_wakeup", __func__
);
2835 data
->oob_wake_irq
= irq
;
2837 bt_dev_info(hdev
, "OOB Wake-on-BT configured at IRQ %u", irq
);
2842 static int btusb_probe(struct usb_interface
*intf
,
2843 const struct usb_device_id
*id
)
2845 struct usb_endpoint_descriptor
*ep_desc
;
2846 struct btusb_data
*data
;
2847 struct hci_dev
*hdev
;
2848 unsigned ifnum_base
;
2851 BT_DBG("intf %p id %p", intf
, id
);
2853 /* interface numbers are hardcoded in the spec */
2854 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 0) {
2855 if (!(id
->driver_info
& BTUSB_IFNUM_2
))
2857 if (intf
->cur_altsetting
->desc
.bInterfaceNumber
!= 2)
2861 ifnum_base
= intf
->cur_altsetting
->desc
.bInterfaceNumber
;
2863 if (!id
->driver_info
) {
2864 const struct usb_device_id
*match
;
2866 match
= usb_match_id(intf
, blacklist_table
);
2871 if (id
->driver_info
== BTUSB_IGNORE
)
2874 if (id
->driver_info
& BTUSB_ATH3012
) {
2875 struct usb_device
*udev
= interface_to_usbdev(intf
);
2877 /* Old firmware would otherwise let ath3k driver load
2878 * patch and sysconfig files
2880 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) <= 0x0001)
2884 data
= devm_kzalloc(&intf
->dev
, sizeof(*data
), GFP_KERNEL
);
2888 for (i
= 0; i
< intf
->cur_altsetting
->desc
.bNumEndpoints
; i
++) {
2889 ep_desc
= &intf
->cur_altsetting
->endpoint
[i
].desc
;
2891 if (!data
->intr_ep
&& usb_endpoint_is_int_in(ep_desc
)) {
2892 data
->intr_ep
= ep_desc
;
2896 if (!data
->bulk_tx_ep
&& usb_endpoint_is_bulk_out(ep_desc
)) {
2897 data
->bulk_tx_ep
= ep_desc
;
2901 if (!data
->bulk_rx_ep
&& usb_endpoint_is_bulk_in(ep_desc
)) {
2902 data
->bulk_rx_ep
= ep_desc
;
2907 if (!data
->intr_ep
|| !data
->bulk_tx_ep
|| !data
->bulk_rx_ep
)
2910 if (id
->driver_info
& BTUSB_AMP
) {
2911 data
->cmdreq_type
= USB_TYPE_CLASS
| 0x01;
2912 data
->cmdreq
= 0x2b;
2914 data
->cmdreq_type
= USB_TYPE_CLASS
;
2915 data
->cmdreq
= 0x00;
2918 data
->udev
= interface_to_usbdev(intf
);
2921 INIT_WORK(&data
->work
, btusb_work
);
2922 INIT_WORK(&data
->waker
, btusb_waker
);
2923 init_usb_anchor(&data
->deferred
);
2924 init_usb_anchor(&data
->tx_anchor
);
2925 spin_lock_init(&data
->txlock
);
2927 init_usb_anchor(&data
->intr_anchor
);
2928 init_usb_anchor(&data
->bulk_anchor
);
2929 init_usb_anchor(&data
->isoc_anchor
);
2930 init_usb_anchor(&data
->diag_anchor
);
2931 spin_lock_init(&data
->rxlock
);
2933 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
2934 data
->recv_event
= btusb_recv_event_intel
;
2935 data
->recv_bulk
= btusb_recv_bulk_intel
;
2936 set_bit(BTUSB_BOOTLOADER
, &data
->flags
);
2938 data
->recv_event
= hci_recv_frame
;
2939 data
->recv_bulk
= btusb_recv_bulk
;
2942 hdev
= hci_alloc_dev();
2946 hdev
->bus
= HCI_USB
;
2947 hci_set_drvdata(hdev
, data
);
2949 if (id
->driver_info
& BTUSB_AMP
)
2950 hdev
->dev_type
= HCI_AMP
;
2952 hdev
->dev_type
= HCI_PRIMARY
;
2956 SET_HCIDEV_DEV(hdev
, &intf
->dev
);
2958 hdev
->open
= btusb_open
;
2959 hdev
->close
= btusb_close
;
2960 hdev
->flush
= btusb_flush
;
2961 hdev
->send
= btusb_send_frame
;
2962 hdev
->notify
= btusb_notify
;
2964 if (dmi_check_system(btusb_needs_reset_resume_table
))
2965 interface_to_usbdev(intf
)->quirks
|= USB_QUIRK_RESET_RESUME
;
2968 err
= btusb_config_oob_wake(hdev
);
2972 /* Marvell devices may need a specific chip configuration */
2973 if (id
->driver_info
& BTUSB_MARVELL
&& data
->oob_wake_irq
) {
2974 err
= marvell_config_oob_wake(hdev
);
2979 if (id
->driver_info
& BTUSB_CW6622
)
2980 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
2982 if (id
->driver_info
& BTUSB_BCM2045
)
2983 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY
, &hdev
->quirks
);
2985 if (id
->driver_info
& BTUSB_BCM92035
)
2986 hdev
->setup
= btusb_setup_bcm92035
;
2988 #ifdef CONFIG_BT_HCIBTUSB_BCM
2989 if (id
->driver_info
& BTUSB_BCM_PATCHRAM
) {
2990 hdev
->manufacturer
= 15;
2991 hdev
->setup
= btbcm_setup_patchram
;
2992 hdev
->set_diag
= btusb_bcm_set_diag
;
2993 hdev
->set_bdaddr
= btbcm_set_bdaddr
;
2995 /* Broadcom LM_DIAG Interface numbers are hardcoded */
2996 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
2999 if (id
->driver_info
& BTUSB_BCM_APPLE
) {
3000 hdev
->manufacturer
= 15;
3001 hdev
->setup
= btbcm_setup_apple
;
3002 hdev
->set_diag
= btusb_bcm_set_diag
;
3004 /* Broadcom LM_DIAG Interface numbers are hardcoded */
3005 data
->diag
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 2);
3009 if (id
->driver_info
& BTUSB_INTEL
) {
3010 hdev
->manufacturer
= 2;
3011 hdev
->setup
= btusb_setup_intel
;
3012 hdev
->shutdown
= btusb_shutdown_intel
;
3013 hdev
->set_diag
= btintel_set_diag_mfg
;
3014 hdev
->set_bdaddr
= btintel_set_bdaddr
;
3015 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
3016 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
3017 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
3020 if (id
->driver_info
& BTUSB_INTEL_NEW
) {
3021 hdev
->manufacturer
= 2;
3022 hdev
->send
= btusb_send_frame_intel
;
3023 hdev
->setup
= btusb_setup_intel_new
;
3024 hdev
->hw_error
= btintel_hw_error
;
3025 hdev
->set_diag
= btintel_set_diag
;
3026 hdev
->set_bdaddr
= btintel_set_bdaddr
;
3027 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
3028 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG
, &hdev
->quirks
);
3031 if (id
->driver_info
& BTUSB_MARVELL
)
3032 hdev
->set_bdaddr
= btusb_set_bdaddr_marvell
;
3034 if (id
->driver_info
& BTUSB_SWAVE
) {
3035 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE
, &hdev
->quirks
);
3036 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS
, &hdev
->quirks
);
3039 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
3040 hdev
->manufacturer
= 2;
3041 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
3044 if (id
->driver_info
& BTUSB_ATH3012
) {
3045 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
3046 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
3047 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER
, &hdev
->quirks
);
3050 if (id
->driver_info
& BTUSB_QCA_ROME
) {
3051 data
->setup_on_usb
= btusb_setup_qca
;
3052 hdev
->set_bdaddr
= btusb_set_bdaddr_ath3012
;
3055 #ifdef CONFIG_BT_HCIBTUSB_RTL
3056 if (id
->driver_info
& BTUSB_REALTEK
) {
3057 hdev
->setup
= btrtl_setup_realtek
;
3059 /* Realtek devices lose their updated firmware over suspend,
3060 * but the USB hub doesn't notice any status change.
3061 * Explicitly request a device reset on resume.
3063 interface_to_usbdev(intf
)->quirks
|= USB_QUIRK_RESET_RESUME
;
3067 if (id
->driver_info
& BTUSB_AMP
) {
3068 /* AMP controllers do not support SCO packets */
3071 /* Interface orders are hardcoded in the specification */
3072 data
->isoc
= usb_ifnum_to_if(data
->udev
, ifnum_base
+ 1);
3073 data
->isoc_ifnum
= ifnum_base
+ 1;
3077 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
3079 if (force_scofix
|| id
->driver_info
& BTUSB_WRONG_SCO_MTU
) {
3080 if (!disable_scofix
)
3081 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE
, &hdev
->quirks
);
3084 if (id
->driver_info
& BTUSB_BROKEN_ISOC
)
3087 if (id
->driver_info
& BTUSB_DIGIANSWER
) {
3088 data
->cmdreq_type
= USB_TYPE_VENDOR
;
3089 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
3092 if (id
->driver_info
& BTUSB_CSR
) {
3093 struct usb_device
*udev
= data
->udev
;
3094 u16 bcdDevice
= le16_to_cpu(udev
->descriptor
.bcdDevice
);
3096 /* Old firmware would otherwise execute USB reset */
3097 if (bcdDevice
< 0x117)
3098 set_bit(HCI_QUIRK_RESET_ON_CLOSE
, &hdev
->quirks
);
3100 /* Fake CSR devices with broken commands */
3101 if (bcdDevice
<= 0x100 || bcdDevice
== 0x134)
3102 hdev
->setup
= btusb_setup_csr
;
3104 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY
, &hdev
->quirks
);
3107 if (id
->driver_info
& BTUSB_SNIFFER
) {
3108 struct usb_device
*udev
= data
->udev
;
3110 /* New sniffer firmware has crippled HCI interface */
3111 if (le16_to_cpu(udev
->descriptor
.bcdDevice
) > 0x997)
3112 set_bit(HCI_QUIRK_RAW_DEVICE
, &hdev
->quirks
);
3115 if (id
->driver_info
& BTUSB_INTEL_BOOT
) {
3116 /* A bug in the bootloader causes that interrupt interface is
3117 * only enabled after receiving SetInterface(0, AltSetting=0).
3119 err
= usb_set_interface(data
->udev
, 0, 0);
3121 BT_ERR("failed to set interface 0, alt 0 %d", err
);
3127 err
= usb_driver_claim_interface(&btusb_driver
,
3133 #ifdef CONFIG_BT_HCIBTUSB_BCM
3135 if (!usb_driver_claim_interface(&btusb_driver
,
3137 __set_diag_interface(hdev
);
3143 if (enable_autosuspend
)
3144 usb_enable_autosuspend(data
->udev
);
3146 err
= hci_register_dev(hdev
);
3150 usb_set_intfdata(intf
, data
);
3159 static void btusb_disconnect(struct usb_interface
*intf
)
3161 struct btusb_data
*data
= usb_get_intfdata(intf
);
3162 struct hci_dev
*hdev
;
3164 BT_DBG("intf %p", intf
);
3170 usb_set_intfdata(data
->intf
, NULL
);
3173 usb_set_intfdata(data
->isoc
, NULL
);
3176 usb_set_intfdata(data
->diag
, NULL
);
3178 hci_unregister_dev(hdev
);
3180 if (intf
== data
->intf
) {
3182 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3184 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3185 } else if (intf
== data
->isoc
) {
3187 usb_driver_release_interface(&btusb_driver
, data
->diag
);
3188 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3189 } else if (intf
== data
->diag
) {
3190 usb_driver_release_interface(&btusb_driver
, data
->intf
);
3192 usb_driver_release_interface(&btusb_driver
, data
->isoc
);
3195 if (data
->oob_wake_irq
)
3196 device_init_wakeup(&data
->udev
->dev
, false);
3202 static int btusb_suspend(struct usb_interface
*intf
, pm_message_t message
)
3204 struct btusb_data
*data
= usb_get_intfdata(intf
);
3206 BT_DBG("intf %p", intf
);
3208 if (data
->suspend_count
++)
3211 spin_lock_irq(&data
->txlock
);
3212 if (!(PMSG_IS_AUTO(message
) && data
->tx_in_flight
)) {
3213 set_bit(BTUSB_SUSPENDING
, &data
->flags
);
3214 spin_unlock_irq(&data
->txlock
);
3216 spin_unlock_irq(&data
->txlock
);
3217 data
->suspend_count
--;
3221 cancel_work_sync(&data
->work
);
3223 btusb_stop_traffic(data
);
3224 usb_kill_anchored_urbs(&data
->tx_anchor
);
3226 if (data
->oob_wake_irq
&& device_may_wakeup(&data
->udev
->dev
)) {
3227 set_bit(BTUSB_OOB_WAKE_ENABLED
, &data
->flags
);
3228 enable_irq_wake(data
->oob_wake_irq
);
3229 enable_irq(data
->oob_wake_irq
);
3235 static void play_deferred(struct btusb_data
*data
)
3240 while ((urb
= usb_get_from_anchor(&data
->deferred
))) {
3241 usb_anchor_urb(urb
, &data
->tx_anchor
);
3243 err
= usb_submit_urb(urb
, GFP_ATOMIC
);
3245 if (err
!= -EPERM
&& err
!= -ENODEV
)
3246 BT_ERR("%s urb %p submission failed (%d)",
3247 data
->hdev
->name
, urb
, -err
);
3248 kfree(urb
->setup_packet
);
3249 usb_unanchor_urb(urb
);
3254 data
->tx_in_flight
++;
3258 /* Cleanup the rest deferred urbs. */
3259 while ((urb
= usb_get_from_anchor(&data
->deferred
))) {
3260 kfree(urb
->setup_packet
);
3265 static int btusb_resume(struct usb_interface
*intf
)
3267 struct btusb_data
*data
= usb_get_intfdata(intf
);
3268 struct hci_dev
*hdev
= data
->hdev
;
3271 BT_DBG("intf %p", intf
);
3273 if (--data
->suspend_count
)
3276 /* Disable only if not already disabled (keep it balanced) */
3277 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED
, &data
->flags
)) {
3278 disable_irq(data
->oob_wake_irq
);
3279 disable_irq_wake(data
->oob_wake_irq
);
3282 if (!test_bit(HCI_RUNNING
, &hdev
->flags
))
3285 if (test_bit(BTUSB_INTR_RUNNING
, &data
->flags
)) {
3286 err
= btusb_submit_intr_urb(hdev
, GFP_NOIO
);
3288 clear_bit(BTUSB_INTR_RUNNING
, &data
->flags
);
3293 if (test_bit(BTUSB_BULK_RUNNING
, &data
->flags
)) {
3294 err
= btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3296 clear_bit(BTUSB_BULK_RUNNING
, &data
->flags
);
3300 btusb_submit_bulk_urb(hdev
, GFP_NOIO
);
3303 if (test_bit(BTUSB_ISOC_RUNNING
, &data
->flags
)) {
3304 if (btusb_submit_isoc_urb(hdev
, GFP_NOIO
) < 0)
3305 clear_bit(BTUSB_ISOC_RUNNING
, &data
->flags
);
3307 btusb_submit_isoc_urb(hdev
, GFP_NOIO
);
3310 spin_lock_irq(&data
->txlock
);
3311 play_deferred(data
);
3312 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3313 spin_unlock_irq(&data
->txlock
);
3314 schedule_work(&data
->work
);
3319 usb_scuttle_anchored_urbs(&data
->deferred
);
3321 spin_lock_irq(&data
->txlock
);
3322 clear_bit(BTUSB_SUSPENDING
, &data
->flags
);
3323 spin_unlock_irq(&data
->txlock
);
3329 static struct usb_driver btusb_driver
= {
3331 .probe
= btusb_probe
,
3332 .disconnect
= btusb_disconnect
,
3334 .suspend
= btusb_suspend
,
3335 .resume
= btusb_resume
,
3337 .id_table
= btusb_table
,
3338 .supports_autosuspend
= 1,
3339 .disable_hub_initiated_lpm
= 1,
3342 module_usb_driver(btusb_driver
);
3344 module_param(disable_scofix
, bool, 0644);
3345 MODULE_PARM_DESC(disable_scofix
, "Disable fixup of wrong SCO buffer size");
3347 module_param(force_scofix
, bool, 0644);
3348 MODULE_PARM_DESC(force_scofix
, "Force fixup of wrong SCO buffers size");
3350 module_param(enable_autosuspend
, bool, 0644);
3351 MODULE_PARM_DESC(enable_autosuspend
, "Enable USB autosuspend by default");
3353 module_param(reset
, bool, 0644);
3354 MODULE_PARM_DESC(reset
, "Send HCI reset command on initialization");
3356 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3357 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION
);
3358 MODULE_VERSION(VERSION
);
3359 MODULE_LICENSE("GPL");