This source file includes following definitions.
- btusb_intel_cmd_timeout
- btusb_rtl_cmd_timeout
- btusb_free_frags
- btusb_recv_intr
- btusb_recv_bulk
- btusb_recv_isoc
- btusb_intr_complete
- btusb_submit_intr_urb
- btusb_bulk_complete
- btusb_submit_bulk_urb
- btusb_isoc_complete
- __fill_isoc_descriptor
- btusb_submit_isoc_urb
- btusb_diag_complete
- btusb_submit_diag_urb
- btusb_tx_complete
- btusb_isoc_tx_complete
- btusb_open
- btusb_stop_traffic
- btusb_close
- btusb_flush
- alloc_ctrl_urb
- alloc_bulk_urb
- alloc_isoc_urb
- submit_tx_urb
- submit_or_queue_tx_urb
- btusb_send_frame
- btusb_notify
- __set_isoc_interface
- btusb_work
- btusb_waker
- btusb_setup_bcm92035
- btusb_setup_csr
- btusb_setup_intel_get_fw
- btusb_setup_intel_patching
- btusb_setup_intel
- inject_cmd_complete
- btusb_recv_bulk_intel
- btusb_intel_bootup
- btusb_intel_secure_send_result
- btusb_recv_event_intel
- btusb_send_frame_intel
- btusb_setup_intel_new_get_fw_name
- btusb_setup_intel_new
- btusb_shutdown_intel
- btusb_shutdown_intel_new
- btusb_mtk_wmt_recv
- btusb_mtk_submit_wmt_recv_urb
- btusb_mtk_hci_wmt_sync
- btusb_mtk_setup_firmware
- btusb_mtk_func_query
- btusb_mtk_reg_read
- btusb_mtk_id_get
- btusb_mtk_setup
- btusb_mtk_shutdown
- marvell_config_oob_wake
- btusb_set_bdaddr_marvell
- btusb_set_bdaddr_ath3012
- btusb_qca_send_vendor_req
- btusb_setup_qca_download_fw
- btusb_setup_qca_load_rampatch
- btusb_setup_qca_load_nvm
- btusb_qca_need_patch
- btusb_setup_qca
- __set_diag_interface
- alloc_diag_urb
- btusb_bcm_set_diag
- btusb_oob_wake_handler
- btusb_config_oob_wake
- btusb_check_needs_reset_resume
- btusb_probe
- btusb_disconnect
- btusb_suspend
- play_deferred
- btusb_resume
1
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5
6
7
8
9 #include <linux/dmi.h>
10 #include <linux/module.h>
11 #include <linux/usb.h>
12 #include <linux/usb/quirks.h>
13 #include <linux/firmware.h>
14 #include <linux/iopoll.h>
15 #include <linux/of_device.h>
16 #include <linux/of_irq.h>
17 #include <linux/suspend.h>
18 #include <linux/gpio/consumer.h>
19 #include <asm/unaligned.h>
20
21 #include <net/bluetooth/bluetooth.h>
22 #include <net/bluetooth/hci_core.h>
23
24 #include "btintel.h"
25 #include "btbcm.h"
26 #include "btrtl.h"
27
28 #define VERSION "0.8"
29
30 static bool disable_scofix;
31 static bool force_scofix;
32 static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
33
34 static bool reset = true;
35
36 static struct usb_driver btusb_driver;
37
38 #define BTUSB_IGNORE 0x01
39 #define BTUSB_DIGIANSWER 0x02
40 #define BTUSB_CSR 0x04
41 #define BTUSB_SNIFFER 0x08
42 #define BTUSB_BCM92035 0x10
43 #define BTUSB_BROKEN_ISOC 0x20
44 #define BTUSB_WRONG_SCO_MTU 0x40
45 #define BTUSB_ATH3012 0x80
46 #define BTUSB_INTEL 0x100
47 #define BTUSB_INTEL_BOOT 0x200
48 #define BTUSB_BCM_PATCHRAM 0x400
49 #define BTUSB_MARVELL 0x800
50 #define BTUSB_SWAVE 0x1000
51 #define BTUSB_INTEL_NEW 0x2000
52 #define BTUSB_AMP 0x4000
53 #define BTUSB_QCA_ROME 0x8000
54 #define BTUSB_BCM_APPLE 0x10000
55 #define BTUSB_REALTEK 0x20000
56 #define BTUSB_BCM2045 0x40000
57 #define BTUSB_IFNUM_2 0x80000
58 #define BTUSB_CW6622 0x100000
59 #define BTUSB_MEDIATEK 0x200000
60
61 static const struct usb_device_id btusb_table[] = {
62
63 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
64
65
66 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
67
68
69 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
70
71
72 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
73 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
74
75
76 { USB_DEVICE(0x0e8d, 0x763f) },
77
78
79 { USB_DEVICE(0x0a5c, 0x21e1) },
80
81
82 { USB_DEVICE(0x05ac, 0x8213) },
83
84
85 { USB_DEVICE(0x05ac, 0x8215) },
86
87
88 { USB_DEVICE(0x05ac, 0x8218) },
89
90
91 { USB_DEVICE(0x05ac, 0x821b) },
92
93
94 { USB_DEVICE(0x05ac, 0x821f) },
95
96
97 { USB_DEVICE(0x05ac, 0x821a) },
98
99
100 { USB_DEVICE(0x05ac, 0x8281) },
101
102
103 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
104
105
106 { USB_DEVICE(0x04bf, 0x030a) },
107
108
109 { USB_DEVICE(0x044e, 0x3001) },
110 { USB_DEVICE(0x044e, 0x3002) },
111
112
113 { USB_DEVICE(0x0bdb, 0x1002) },
114
115
116 { USB_DEVICE(0x0c10, 0x0000) },
117
118
119 { USB_DEVICE(0x413c, 0x8197) },
120
121
122 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
123
124
125 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
126 .driver_info = BTUSB_BCM_PATCHRAM },
127
128
129 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
130 .driver_info = BTUSB_BCM_PATCHRAM },
131
132
133 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
134 .driver_info = BTUSB_BCM_PATCHRAM },
135
136
137 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
138 .driver_info = BTUSB_BCM_PATCHRAM },
139
140
141 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
142 .driver_info = BTUSB_BCM_PATCHRAM },
143
144
145 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
146 .driver_info = BTUSB_BCM_PATCHRAM },
147
148
149 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
150 .driver_info = BTUSB_BCM_PATCHRAM },
151
152
153 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
154 .driver_info = BTUSB_BCM_PATCHRAM },
155
156
157 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
158 .driver_info = BTUSB_BCM_PATCHRAM },
159
160
161 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
162 .driver_info = BTUSB_BCM_PATCHRAM },
163
164
165 { USB_DEVICE(0x8087, 0x0a5a),
166 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
167
168 { }
169 };
170
171 MODULE_DEVICE_TABLE(usb, btusb_table);
172
173 static const struct usb_device_id blacklist_table[] = {
174
175 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
176
177
178 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
179
180
181 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
182
183
184 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
185 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
186 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
187 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
188 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
189 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
190 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
191
192
193 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
194
195
196 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
197 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
198 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
199 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
200 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
201 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
202 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
203 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
204 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
205 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
206 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
207 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
208 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
209 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
210 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
211 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
212 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
213 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
214 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
215 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
216 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
217 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
218 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
219 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
220 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
221 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
222 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
223 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
224 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
225 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
226 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
227 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
228 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
229 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
230 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
231 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
232 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
233 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
234 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
235 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
236 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
237 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
238 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
239 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
240 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
241 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
242 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
243 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
244 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
245 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
246
247
248 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
249
250
251 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
252 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
253
254
255 { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME },
256 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
257 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
258 { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME },
259 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
260 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME },
261 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
262 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
263 { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME },
264 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
265 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
266 { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME },
267 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
268 { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME },
269 { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME },
270 { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME },
271 { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME },
272
273
274 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
275 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
276 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
277
278
279 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
280 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
281
282
283 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
284 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
285
286
287 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
288
289
290 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
291
292
293 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
294 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
295
296
297 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
298 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
299
300
301 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
302
303
304 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
305
306
307 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
308 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
309
310
311 { USB_DEVICE(0x0e5e, 0x6622),
312 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
313
314
315 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
316
317
318 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
319 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
320
321
322 { USB_DEVICE(0x0a12, 0x0002),
323 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
324
325
326 { USB_DEVICE(0x16d3, 0x0002),
327 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
328
329
330 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
331 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
332 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
333
334
335 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW },
336 { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW },
337 { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW },
338 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
339 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
340 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
341 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
342 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL },
343 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW },
344
345
346 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
347 .driver_info = BTUSB_IGNORE },
348
349
350 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
351 .driver_info = BTUSB_REALTEK },
352
353
354 { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),
355 .driver_info = BTUSB_MEDIATEK },
356
357
358 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
359 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
360
361
362 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
363 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
364 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
365 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
366 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
367 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
368
369
370 { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK },
371
372
373 { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
374 { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
375
376
377 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
378 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
379 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
380 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
381 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
382
383
384 { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK },
385 { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK },
386
387
388 { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK },
389
390
391 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
392
393 { }
394 };
395
396
397
398
399
400 static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
401 {
402
403 .matches = {
404 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
405 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"),
406 },
407 },
408 {
409
410 .matches = {
411 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
412 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"),
413 },
414 },
415 {
416
417 .matches = {
418 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
419 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"),
420 },
421 },
422 {}
423 };
424
425 #define BTUSB_MAX_ISOC_FRAMES 10
426
427 #define BTUSB_INTR_RUNNING 0
428 #define BTUSB_BULK_RUNNING 1
429 #define BTUSB_ISOC_RUNNING 2
430 #define BTUSB_SUSPENDING 3
431 #define BTUSB_DID_ISO_RESUME 4
432 #define BTUSB_BOOTLOADER 5
433 #define BTUSB_DOWNLOADING 6
434 #define BTUSB_FIRMWARE_LOADED 7
435 #define BTUSB_FIRMWARE_FAILED 8
436 #define BTUSB_BOOTING 9
437 #define BTUSB_DIAG_RUNNING 10
438 #define BTUSB_OOB_WAKE_ENABLED 11
439 #define BTUSB_HW_RESET_ACTIVE 12
440 #define BTUSB_TX_WAIT_VND_EVT 13
441 #define BTUSB_WAKEUP_DISABLE 14
442
443 struct btusb_data {
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;
449 unsigned isoc_ifnum;
450
451 unsigned long flags;
452
453 struct work_struct work;
454 struct work_struct waker;
455
456 struct usb_anchor deferred;
457 struct usb_anchor tx_anchor;
458 int tx_in_flight;
459 spinlock_t txlock;
460
461 struct usb_anchor intr_anchor;
462 struct usb_anchor bulk_anchor;
463 struct usb_anchor isoc_anchor;
464 struct usb_anchor diag_anchor;
465 struct usb_anchor ctrl_anchor;
466 spinlock_t rxlock;
467
468 struct sk_buff *evt_skb;
469 struct sk_buff *acl_skb;
470 struct sk_buff *sco_skb;
471
472 struct usb_endpoint_descriptor *intr_ep;
473 struct usb_endpoint_descriptor *bulk_tx_ep;
474 struct usb_endpoint_descriptor *bulk_rx_ep;
475 struct usb_endpoint_descriptor *isoc_tx_ep;
476 struct usb_endpoint_descriptor *isoc_rx_ep;
477 struct usb_endpoint_descriptor *diag_tx_ep;
478 struct usb_endpoint_descriptor *diag_rx_ep;
479
480 struct gpio_desc *reset_gpio;
481
482 __u8 cmdreq_type;
483 __u8 cmdreq;
484
485 unsigned int sco_num;
486 int isoc_altsetting;
487 int suspend_count;
488
489 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
490 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
491
492 int (*setup_on_usb)(struct hci_dev *hdev);
493
494 int oob_wake_irq;
495 unsigned cmd_timeout_cnt;
496 };
497
498
499 static void btusb_intel_cmd_timeout(struct hci_dev *hdev)
500 {
501 struct btusb_data *data = hci_get_drvdata(hdev);
502 struct gpio_desc *reset_gpio = data->reset_gpio;
503
504 if (++data->cmd_timeout_cnt < 5)
505 return;
506
507 if (!reset_gpio) {
508 bt_dev_err(hdev, "No way to reset. Ignoring and continuing");
509 return;
510 }
511
512
513
514
515
516
517
518
519 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
520 bt_dev_err(hdev, "last reset failed? Not resetting again");
521 return;
522 }
523
524 bt_dev_err(hdev, "Initiating HW reset via gpio");
525 gpiod_set_value_cansleep(reset_gpio, 1);
526 msleep(100);
527 gpiod_set_value_cansleep(reset_gpio, 0);
528 }
529
530 static void btusb_rtl_cmd_timeout(struct hci_dev *hdev)
531 {
532 struct btusb_data *data = hci_get_drvdata(hdev);
533 struct gpio_desc *reset_gpio = data->reset_gpio;
534
535 if (++data->cmd_timeout_cnt < 5)
536 return;
537
538 if (!reset_gpio) {
539 bt_dev_err(hdev, "No gpio to reset Realtek device, ignoring");
540 return;
541 }
542
543
544
545
546
547
548
549 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
550 bt_dev_err(hdev, "last reset failed? Not resetting again");
551 return;
552 }
553
554 bt_dev_err(hdev, "Reset Realtek device via gpio");
555 gpiod_set_value_cansleep(reset_gpio, 0);
556 msleep(200);
557 gpiod_set_value_cansleep(reset_gpio, 1);
558 }
559
560 static inline void btusb_free_frags(struct btusb_data *data)
561 {
562 unsigned long flags;
563
564 spin_lock_irqsave(&data->rxlock, flags);
565
566 kfree_skb(data->evt_skb);
567 data->evt_skb = NULL;
568
569 kfree_skb(data->acl_skb);
570 data->acl_skb = NULL;
571
572 kfree_skb(data->sco_skb);
573 data->sco_skb = NULL;
574
575 spin_unlock_irqrestore(&data->rxlock, flags);
576 }
577
578 static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
579 {
580 struct sk_buff *skb;
581 unsigned long flags;
582 int err = 0;
583
584 spin_lock_irqsave(&data->rxlock, flags);
585 skb = data->evt_skb;
586
587 while (count) {
588 int len;
589
590 if (!skb) {
591 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
592 if (!skb) {
593 err = -ENOMEM;
594 break;
595 }
596
597 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
598 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
599 }
600
601 len = min_t(uint, hci_skb_expect(skb), count);
602 skb_put_data(skb, buffer, len);
603
604 count -= len;
605 buffer += len;
606 hci_skb_expect(skb) -= len;
607
608 if (skb->len == HCI_EVENT_HDR_SIZE) {
609
610 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
611
612 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
613 kfree_skb(skb);
614 skb = NULL;
615
616 err = -EILSEQ;
617 break;
618 }
619 }
620
621 if (!hci_skb_expect(skb)) {
622
623 data->recv_event(data->hdev, skb);
624 skb = NULL;
625 }
626 }
627
628 data->evt_skb = skb;
629 spin_unlock_irqrestore(&data->rxlock, flags);
630
631 return err;
632 }
633
634 static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
635 {
636 struct sk_buff *skb;
637 unsigned long flags;
638 int err = 0;
639
640 spin_lock_irqsave(&data->rxlock, flags);
641 skb = data->acl_skb;
642
643 while (count) {
644 int len;
645
646 if (!skb) {
647 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
648 if (!skb) {
649 err = -ENOMEM;
650 break;
651 }
652
653 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
654 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
655 }
656
657 len = min_t(uint, hci_skb_expect(skb), count);
658 skb_put_data(skb, buffer, len);
659
660 count -= len;
661 buffer += len;
662 hci_skb_expect(skb) -= len;
663
664 if (skb->len == HCI_ACL_HDR_SIZE) {
665 __le16 dlen = hci_acl_hdr(skb)->dlen;
666
667
668 hci_skb_expect(skb) = __le16_to_cpu(dlen);
669
670 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
671 kfree_skb(skb);
672 skb = NULL;
673
674 err = -EILSEQ;
675 break;
676 }
677 }
678
679 if (!hci_skb_expect(skb)) {
680
681 hci_recv_frame(data->hdev, skb);
682 skb = NULL;
683 }
684 }
685
686 data->acl_skb = skb;
687 spin_unlock_irqrestore(&data->rxlock, flags);
688
689 return err;
690 }
691
692 static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
693 {
694 struct sk_buff *skb;
695 unsigned long flags;
696 int err = 0;
697
698 spin_lock_irqsave(&data->rxlock, flags);
699 skb = data->sco_skb;
700
701 while (count) {
702 int len;
703
704 if (!skb) {
705 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
706 if (!skb) {
707 err = -ENOMEM;
708 break;
709 }
710
711 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
712 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
713 }
714
715 len = min_t(uint, hci_skb_expect(skb), count);
716 skb_put_data(skb, buffer, len);
717
718 count -= len;
719 buffer += len;
720 hci_skb_expect(skb) -= len;
721
722 if (skb->len == HCI_SCO_HDR_SIZE) {
723
724 hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
725
726 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
727 kfree_skb(skb);
728 skb = NULL;
729
730 err = -EILSEQ;
731 break;
732 }
733 }
734
735 if (!hci_skb_expect(skb)) {
736
737 hci_recv_frame(data->hdev, skb);
738 skb = NULL;
739 }
740 }
741
742 data->sco_skb = skb;
743 spin_unlock_irqrestore(&data->rxlock, flags);
744
745 return err;
746 }
747
748 static void btusb_intr_complete(struct urb *urb)
749 {
750 struct hci_dev *hdev = urb->context;
751 struct btusb_data *data = hci_get_drvdata(hdev);
752 int err;
753
754 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
755 urb->actual_length);
756
757 if (!test_bit(HCI_RUNNING, &hdev->flags))
758 return;
759
760 if (urb->status == 0) {
761 hdev->stat.byte_rx += urb->actual_length;
762
763 if (btusb_recv_intr(data, urb->transfer_buffer,
764 urb->actual_length) < 0) {
765 bt_dev_err(hdev, "corrupted event packet");
766 hdev->stat.err_rx++;
767 }
768 } else if (urb->status == -ENOENT) {
769
770 return;
771 }
772
773 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
774 return;
775
776 usb_mark_last_busy(data->udev);
777 usb_anchor_urb(urb, &data->intr_anchor);
778
779 err = usb_submit_urb(urb, GFP_ATOMIC);
780 if (err < 0) {
781
782
783
784 if (err != -EPERM && err != -ENODEV)
785 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
786 urb, -err);
787 usb_unanchor_urb(urb);
788 }
789 }
790
791 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
792 {
793 struct btusb_data *data = hci_get_drvdata(hdev);
794 struct urb *urb;
795 unsigned char *buf;
796 unsigned int pipe;
797 int err, size;
798
799 BT_DBG("%s", hdev->name);
800
801 if (!data->intr_ep)
802 return -ENODEV;
803
804 urb = usb_alloc_urb(0, mem_flags);
805 if (!urb)
806 return -ENOMEM;
807
808 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
809
810 buf = kmalloc(size, mem_flags);
811 if (!buf) {
812 usb_free_urb(urb);
813 return -ENOMEM;
814 }
815
816 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
817
818 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
819 btusb_intr_complete, hdev, data->intr_ep->bInterval);
820
821 urb->transfer_flags |= URB_FREE_BUFFER;
822
823 usb_anchor_urb(urb, &data->intr_anchor);
824
825 err = usb_submit_urb(urb, mem_flags);
826 if (err < 0) {
827 if (err != -EPERM && err != -ENODEV)
828 bt_dev_err(hdev, "urb %p submission failed (%d)",
829 urb, -err);
830 usb_unanchor_urb(urb);
831 }
832
833 usb_free_urb(urb);
834
835 return err;
836 }
837
838 static void btusb_bulk_complete(struct urb *urb)
839 {
840 struct hci_dev *hdev = urb->context;
841 struct btusb_data *data = hci_get_drvdata(hdev);
842 int err;
843
844 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
845 urb->actual_length);
846
847 if (!test_bit(HCI_RUNNING, &hdev->flags))
848 return;
849
850 if (urb->status == 0) {
851 hdev->stat.byte_rx += urb->actual_length;
852
853 if (data->recv_bulk(data, urb->transfer_buffer,
854 urb->actual_length) < 0) {
855 bt_dev_err(hdev, "corrupted ACL packet");
856 hdev->stat.err_rx++;
857 }
858 } else if (urb->status == -ENOENT) {
859
860 return;
861 }
862
863 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
864 return;
865
866 usb_anchor_urb(urb, &data->bulk_anchor);
867 usb_mark_last_busy(data->udev);
868
869 err = usb_submit_urb(urb, GFP_ATOMIC);
870 if (err < 0) {
871
872
873
874 if (err != -EPERM && err != -ENODEV)
875 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
876 urb, -err);
877 usb_unanchor_urb(urb);
878 }
879 }
880
881 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
882 {
883 struct btusb_data *data = hci_get_drvdata(hdev);
884 struct urb *urb;
885 unsigned char *buf;
886 unsigned int pipe;
887 int err, size = HCI_MAX_FRAME_SIZE;
888
889 BT_DBG("%s", hdev->name);
890
891 if (!data->bulk_rx_ep)
892 return -ENODEV;
893
894 urb = usb_alloc_urb(0, mem_flags);
895 if (!urb)
896 return -ENOMEM;
897
898 buf = kmalloc(size, mem_flags);
899 if (!buf) {
900 usb_free_urb(urb);
901 return -ENOMEM;
902 }
903
904 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
905
906 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
907 btusb_bulk_complete, hdev);
908
909 urb->transfer_flags |= URB_FREE_BUFFER;
910
911 usb_mark_last_busy(data->udev);
912 usb_anchor_urb(urb, &data->bulk_anchor);
913
914 err = usb_submit_urb(urb, mem_flags);
915 if (err < 0) {
916 if (err != -EPERM && err != -ENODEV)
917 bt_dev_err(hdev, "urb %p submission failed (%d)",
918 urb, -err);
919 usb_unanchor_urb(urb);
920 }
921
922 usb_free_urb(urb);
923
924 return err;
925 }
926
927 static void btusb_isoc_complete(struct urb *urb)
928 {
929 struct hci_dev *hdev = urb->context;
930 struct btusb_data *data = hci_get_drvdata(hdev);
931 int i, err;
932
933 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
934 urb->actual_length);
935
936 if (!test_bit(HCI_RUNNING, &hdev->flags))
937 return;
938
939 if (urb->status == 0) {
940 for (i = 0; i < urb->number_of_packets; i++) {
941 unsigned int offset = urb->iso_frame_desc[i].offset;
942 unsigned int length = urb->iso_frame_desc[i].actual_length;
943
944 if (urb->iso_frame_desc[i].status)
945 continue;
946
947 hdev->stat.byte_rx += length;
948
949 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
950 length) < 0) {
951 bt_dev_err(hdev, "corrupted SCO packet");
952 hdev->stat.err_rx++;
953 }
954 }
955 } else if (urb->status == -ENOENT) {
956
957 return;
958 }
959
960 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
961 return;
962
963 usb_anchor_urb(urb, &data->isoc_anchor);
964
965 err = usb_submit_urb(urb, GFP_ATOMIC);
966 if (err < 0) {
967
968
969
970 if (err != -EPERM && err != -ENODEV)
971 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
972 urb, -err);
973 usb_unanchor_urb(urb);
974 }
975 }
976
977 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
978 {
979 int i, offset = 0;
980
981 BT_DBG("len %d mtu %d", len, mtu);
982
983 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
984 i++, offset += mtu, len -= mtu) {
985 urb->iso_frame_desc[i].offset = offset;
986 urb->iso_frame_desc[i].length = mtu;
987 }
988
989 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
990 urb->iso_frame_desc[i].offset = offset;
991 urb->iso_frame_desc[i].length = len;
992 i++;
993 }
994
995 urb->number_of_packets = i;
996 }
997
998 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
999 {
1000 struct btusb_data *data = hci_get_drvdata(hdev);
1001 struct urb *urb;
1002 unsigned char *buf;
1003 unsigned int pipe;
1004 int err, size;
1005
1006 BT_DBG("%s", hdev->name);
1007
1008 if (!data->isoc_rx_ep)
1009 return -ENODEV;
1010
1011 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
1012 if (!urb)
1013 return -ENOMEM;
1014
1015 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
1016 BTUSB_MAX_ISOC_FRAMES;
1017
1018 buf = kmalloc(size, mem_flags);
1019 if (!buf) {
1020 usb_free_urb(urb);
1021 return -ENOMEM;
1022 }
1023
1024 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
1025
1026 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
1027 hdev, data->isoc_rx_ep->bInterval);
1028
1029 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
1030
1031 __fill_isoc_descriptor(urb, size,
1032 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
1033
1034 usb_anchor_urb(urb, &data->isoc_anchor);
1035
1036 err = usb_submit_urb(urb, mem_flags);
1037 if (err < 0) {
1038 if (err != -EPERM && err != -ENODEV)
1039 bt_dev_err(hdev, "urb %p submission failed (%d)",
1040 urb, -err);
1041 usb_unanchor_urb(urb);
1042 }
1043
1044 usb_free_urb(urb);
1045
1046 return err;
1047 }
1048
1049 static void btusb_diag_complete(struct urb *urb)
1050 {
1051 struct hci_dev *hdev = urb->context;
1052 struct btusb_data *data = hci_get_drvdata(hdev);
1053 int err;
1054
1055 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1056 urb->actual_length);
1057
1058 if (urb->status == 0) {
1059 struct sk_buff *skb;
1060
1061 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
1062 if (skb) {
1063 skb_put_data(skb, urb->transfer_buffer,
1064 urb->actual_length);
1065 hci_recv_diag(hdev, skb);
1066 }
1067 } else if (urb->status == -ENOENT) {
1068
1069 return;
1070 }
1071
1072 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
1073 return;
1074
1075 usb_anchor_urb(urb, &data->diag_anchor);
1076 usb_mark_last_busy(data->udev);
1077
1078 err = usb_submit_urb(urb, GFP_ATOMIC);
1079 if (err < 0) {
1080
1081
1082
1083 if (err != -EPERM && err != -ENODEV)
1084 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1085 urb, -err);
1086 usb_unanchor_urb(urb);
1087 }
1088 }
1089
1090 static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
1091 {
1092 struct btusb_data *data = hci_get_drvdata(hdev);
1093 struct urb *urb;
1094 unsigned char *buf;
1095 unsigned int pipe;
1096 int err, size = HCI_MAX_FRAME_SIZE;
1097
1098 BT_DBG("%s", hdev->name);
1099
1100 if (!data->diag_rx_ep)
1101 return -ENODEV;
1102
1103 urb = usb_alloc_urb(0, mem_flags);
1104 if (!urb)
1105 return -ENOMEM;
1106
1107 buf = kmalloc(size, mem_flags);
1108 if (!buf) {
1109 usb_free_urb(urb);
1110 return -ENOMEM;
1111 }
1112
1113 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
1114
1115 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
1116 btusb_diag_complete, hdev);
1117
1118 urb->transfer_flags |= URB_FREE_BUFFER;
1119
1120 usb_mark_last_busy(data->udev);
1121 usb_anchor_urb(urb, &data->diag_anchor);
1122
1123 err = usb_submit_urb(urb, mem_flags);
1124 if (err < 0) {
1125 if (err != -EPERM && err != -ENODEV)
1126 bt_dev_err(hdev, "urb %p submission failed (%d)",
1127 urb, -err);
1128 usb_unanchor_urb(urb);
1129 }
1130
1131 usb_free_urb(urb);
1132
1133 return err;
1134 }
1135
1136 static void btusb_tx_complete(struct urb *urb)
1137 {
1138 struct sk_buff *skb = urb->context;
1139 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
1140 struct btusb_data *data = hci_get_drvdata(hdev);
1141 unsigned long flags;
1142
1143 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1144 urb->actual_length);
1145
1146 if (!test_bit(HCI_RUNNING, &hdev->flags))
1147 goto done;
1148
1149 if (!urb->status)
1150 hdev->stat.byte_tx += urb->transfer_buffer_length;
1151 else
1152 hdev->stat.err_tx++;
1153
1154 done:
1155 spin_lock_irqsave(&data->txlock, flags);
1156 data->tx_in_flight--;
1157 spin_unlock_irqrestore(&data->txlock, flags);
1158
1159 kfree(urb->setup_packet);
1160
1161 kfree_skb(skb);
1162 }
1163
1164 static void btusb_isoc_tx_complete(struct urb *urb)
1165 {
1166 struct sk_buff *skb = urb->context;
1167 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
1168
1169 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1170 urb->actual_length);
1171
1172 if (!test_bit(HCI_RUNNING, &hdev->flags))
1173 goto done;
1174
1175 if (!urb->status)
1176 hdev->stat.byte_tx += urb->transfer_buffer_length;
1177 else
1178 hdev->stat.err_tx++;
1179
1180 done:
1181 kfree(urb->setup_packet);
1182
1183 kfree_skb(skb);
1184 }
1185
1186 static int btusb_open(struct hci_dev *hdev)
1187 {
1188 struct btusb_data *data = hci_get_drvdata(hdev);
1189 int err;
1190
1191 BT_DBG("%s", hdev->name);
1192
1193 err = usb_autopm_get_interface(data->intf);
1194 if (err < 0)
1195 return err;
1196
1197
1198
1199
1200 if (data->setup_on_usb) {
1201 err = data->setup_on_usb(hdev);
1202 if (err < 0)
1203 goto setup_fail;
1204 }
1205
1206 data->intf->needs_remote_wakeup = 1;
1207
1208
1209
1210
1211
1212 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
1213 device_wakeup_disable(&data->udev->dev);
1214
1215 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
1216 goto done;
1217
1218 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
1219 if (err < 0)
1220 goto failed;
1221
1222 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1223 if (err < 0) {
1224 usb_kill_anchored_urbs(&data->intr_anchor);
1225 goto failed;
1226 }
1227
1228 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1229 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1230
1231 if (data->diag) {
1232 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1233 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1234 }
1235
1236 done:
1237 usb_autopm_put_interface(data->intf);
1238 return 0;
1239
1240 failed:
1241 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1242 setup_fail:
1243 usb_autopm_put_interface(data->intf);
1244 return err;
1245 }
1246
1247 static void btusb_stop_traffic(struct btusb_data *data)
1248 {
1249 usb_kill_anchored_urbs(&data->intr_anchor);
1250 usb_kill_anchored_urbs(&data->bulk_anchor);
1251 usb_kill_anchored_urbs(&data->isoc_anchor);
1252 usb_kill_anchored_urbs(&data->diag_anchor);
1253 usb_kill_anchored_urbs(&data->ctrl_anchor);
1254 }
1255
1256 static int btusb_close(struct hci_dev *hdev)
1257 {
1258 struct btusb_data *data = hci_get_drvdata(hdev);
1259 int err;
1260
1261 BT_DBG("%s", hdev->name);
1262
1263 cancel_work_sync(&data->work);
1264 cancel_work_sync(&data->waker);
1265
1266 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1267 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
1268 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
1269 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
1270
1271 btusb_stop_traffic(data);
1272 btusb_free_frags(data);
1273
1274 err = usb_autopm_get_interface(data->intf);
1275 if (err < 0)
1276 goto failed;
1277
1278 data->intf->needs_remote_wakeup = 0;
1279
1280
1281 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
1282 data->intf->needs_remote_wakeup = 1;
1283
1284 usb_autopm_put_interface(data->intf);
1285
1286 failed:
1287 usb_scuttle_anchored_urbs(&data->deferred);
1288 return 0;
1289 }
1290
1291 static int btusb_flush(struct hci_dev *hdev)
1292 {
1293 struct btusb_data *data = hci_get_drvdata(hdev);
1294
1295 BT_DBG("%s", hdev->name);
1296
1297 usb_kill_anchored_urbs(&data->tx_anchor);
1298 btusb_free_frags(data);
1299
1300 return 0;
1301 }
1302
1303 static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
1304 {
1305 struct btusb_data *data = hci_get_drvdata(hdev);
1306 struct usb_ctrlrequest *dr;
1307 struct urb *urb;
1308 unsigned int pipe;
1309
1310 urb = usb_alloc_urb(0, GFP_KERNEL);
1311 if (!urb)
1312 return ERR_PTR(-ENOMEM);
1313
1314 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1315 if (!dr) {
1316 usb_free_urb(urb);
1317 return ERR_PTR(-ENOMEM);
1318 }
1319
1320 dr->bRequestType = data->cmdreq_type;
1321 dr->bRequest = data->cmdreq;
1322 dr->wIndex = 0;
1323 dr->wValue = 0;
1324 dr->wLength = __cpu_to_le16(skb->len);
1325
1326 pipe = usb_sndctrlpipe(data->udev, 0x00);
1327
1328 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
1329 skb->data, skb->len, btusb_tx_complete, skb);
1330
1331 skb->dev = (void *)hdev;
1332
1333 return urb;
1334 }
1335
1336 static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1337 {
1338 struct btusb_data *data = hci_get_drvdata(hdev);
1339 struct urb *urb;
1340 unsigned int pipe;
1341
1342 if (!data->bulk_tx_ep)
1343 return ERR_PTR(-ENODEV);
1344
1345 urb = usb_alloc_urb(0, GFP_KERNEL);
1346 if (!urb)
1347 return ERR_PTR(-ENOMEM);
1348
1349 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
1350
1351 usb_fill_bulk_urb(urb, data->udev, pipe,
1352 skb->data, skb->len, btusb_tx_complete, skb);
1353
1354 skb->dev = (void *)hdev;
1355
1356 return urb;
1357 }
1358
1359 static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1360 {
1361 struct btusb_data *data = hci_get_drvdata(hdev);
1362 struct urb *urb;
1363 unsigned int pipe;
1364
1365 if (!data->isoc_tx_ep)
1366 return ERR_PTR(-ENODEV);
1367
1368 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1369 if (!urb)
1370 return ERR_PTR(-ENOMEM);
1371
1372 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
1373
1374 usb_fill_int_urb(urb, data->udev, pipe,
1375 skb->data, skb->len, btusb_isoc_tx_complete,
1376 skb, data->isoc_tx_ep->bInterval);
1377
1378 urb->transfer_flags = URB_ISO_ASAP;
1379
1380 __fill_isoc_descriptor(urb, skb->len,
1381 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
1382
1383 skb->dev = (void *)hdev;
1384
1385 return urb;
1386 }
1387
1388 static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1389 {
1390 struct btusb_data *data = hci_get_drvdata(hdev);
1391 int err;
1392
1393 usb_anchor_urb(urb, &data->tx_anchor);
1394
1395 err = usb_submit_urb(urb, GFP_KERNEL);
1396 if (err < 0) {
1397 if (err != -EPERM && err != -ENODEV)
1398 bt_dev_err(hdev, "urb %p submission failed (%d)",
1399 urb, -err);
1400 kfree(urb->setup_packet);
1401 usb_unanchor_urb(urb);
1402 } else {
1403 usb_mark_last_busy(data->udev);
1404 }
1405
1406 usb_free_urb(urb);
1407 return err;
1408 }
1409
1410 static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1411 {
1412 struct btusb_data *data = hci_get_drvdata(hdev);
1413 unsigned long flags;
1414 bool suspending;
1415
1416 spin_lock_irqsave(&data->txlock, flags);
1417 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1418 if (!suspending)
1419 data->tx_in_flight++;
1420 spin_unlock_irqrestore(&data->txlock, flags);
1421
1422 if (!suspending)
1423 return submit_tx_urb(hdev, urb);
1424
1425 usb_anchor_urb(urb, &data->deferred);
1426 schedule_work(&data->waker);
1427
1428 usb_free_urb(urb);
1429 return 0;
1430 }
1431
1432 static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1433 {
1434 struct urb *urb;
1435
1436 BT_DBG("%s", hdev->name);
1437
1438 switch (hci_skb_pkt_type(skb)) {
1439 case HCI_COMMAND_PKT:
1440 urb = alloc_ctrl_urb(hdev, skb);
1441 if (IS_ERR(urb))
1442 return PTR_ERR(urb);
1443
1444 hdev->stat.cmd_tx++;
1445 return submit_or_queue_tx_urb(hdev, urb);
1446
1447 case HCI_ACLDATA_PKT:
1448 urb = alloc_bulk_urb(hdev, skb);
1449 if (IS_ERR(urb))
1450 return PTR_ERR(urb);
1451
1452 hdev->stat.acl_tx++;
1453 return submit_or_queue_tx_urb(hdev, urb);
1454
1455 case HCI_SCODATA_PKT:
1456 if (hci_conn_num(hdev, SCO_LINK) < 1)
1457 return -ENODEV;
1458
1459 urb = alloc_isoc_urb(hdev, skb);
1460 if (IS_ERR(urb))
1461 return PTR_ERR(urb);
1462
1463 hdev->stat.sco_tx++;
1464 return submit_tx_urb(hdev, urb);
1465 }
1466
1467 return -EILSEQ;
1468 }
1469
1470 static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1471 {
1472 struct btusb_data *data = hci_get_drvdata(hdev);
1473
1474 BT_DBG("%s evt %d", hdev->name, evt);
1475
1476 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1477 data->sco_num = hci_conn_num(hdev, SCO_LINK);
1478 schedule_work(&data->work);
1479 }
1480 }
1481
1482 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
1483 {
1484 struct btusb_data *data = hci_get_drvdata(hdev);
1485 struct usb_interface *intf = data->isoc;
1486 struct usb_endpoint_descriptor *ep_desc;
1487 int i, err;
1488
1489 if (!data->isoc)
1490 return -ENODEV;
1491
1492 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting);
1493 if (err < 0) {
1494 bt_dev_err(hdev, "setting interface failed (%d)", -err);
1495 return err;
1496 }
1497
1498 data->isoc_altsetting = altsetting;
1499
1500 data->isoc_tx_ep = NULL;
1501 data->isoc_rx_ep = NULL;
1502
1503 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1504 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1505
1506 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1507 data->isoc_tx_ep = ep_desc;
1508 continue;
1509 }
1510
1511 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1512 data->isoc_rx_ep = ep_desc;
1513 continue;
1514 }
1515 }
1516
1517 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
1518 bt_dev_err(hdev, "invalid SCO descriptors");
1519 return -ENODEV;
1520 }
1521
1522 return 0;
1523 }
1524
1525 static void btusb_work(struct work_struct *work)
1526 {
1527 struct btusb_data *data = container_of(work, struct btusb_data, work);
1528 struct hci_dev *hdev = data->hdev;
1529 int new_alts;
1530 int err;
1531
1532 if (data->sco_num > 0) {
1533 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
1534 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
1535 if (err < 0) {
1536 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1537 usb_kill_anchored_urbs(&data->isoc_anchor);
1538 return;
1539 }
1540
1541 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
1542 }
1543
1544 if (hdev->voice_setting & 0x0020) {
1545 static const int alts[3] = { 2, 4, 5 };
1546
1547 new_alts = alts[data->sco_num - 1];
1548 } else {
1549 new_alts = data->sco_num;
1550 }
1551
1552 if (data->isoc_altsetting != new_alts) {
1553 unsigned long flags;
1554
1555 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1556 usb_kill_anchored_urbs(&data->isoc_anchor);
1557
1558
1559
1560
1561
1562
1563
1564
1565
1566
1567 spin_lock_irqsave(&data->rxlock, flags);
1568 kfree_skb(data->sco_skb);
1569 data->sco_skb = NULL;
1570 spin_unlock_irqrestore(&data->rxlock, flags);
1571
1572 if (__set_isoc_interface(hdev, new_alts) < 0)
1573 return;
1574 }
1575
1576 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1577 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
1578 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1579 else
1580 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
1581 }
1582 } else {
1583 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1584 usb_kill_anchored_urbs(&data->isoc_anchor);
1585
1586 __set_isoc_interface(hdev, 0);
1587 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
1588 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
1589 }
1590 }
1591
1592 static void btusb_waker(struct work_struct *work)
1593 {
1594 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1595 int err;
1596
1597 err = usb_autopm_get_interface(data->intf);
1598 if (err < 0)
1599 return;
1600
1601 usb_autopm_put_interface(data->intf);
1602 }
1603
1604 static int btusb_setup_bcm92035(struct hci_dev *hdev)
1605 {
1606 struct sk_buff *skb;
1607 u8 val = 0x00;
1608
1609 BT_DBG("%s", hdev->name);
1610
1611 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1612 if (IS_ERR(skb))
1613 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb));
1614 else
1615 kfree_skb(skb);
1616
1617 return 0;
1618 }
1619
1620 static int btusb_setup_csr(struct hci_dev *hdev)
1621 {
1622 struct hci_rp_read_local_version *rp;
1623 struct sk_buff *skb;
1624
1625 BT_DBG("%s", hdev->name);
1626
1627 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1628 HCI_INIT_TIMEOUT);
1629 if (IS_ERR(skb)) {
1630 int err = PTR_ERR(skb);
1631 bt_dev_err(hdev, "CSR: Local version failed (%d)", err);
1632 return err;
1633 }
1634
1635 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
1636 bt_dev_err(hdev, "CSR: Local version length mismatch");
1637 kfree_skb(skb);
1638 return -EIO;
1639 }
1640
1641 rp = (struct hci_rp_read_local_version *)skb->data;
1642
1643
1644 if (le16_to_cpu(rp->manufacturer) != 10 ||
1645 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
1646
1647
1648
1649 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1650
1651
1652
1653
1654 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
1655 }
1656
1657 kfree_skb(skb);
1658
1659 return 0;
1660 }
1661
1662 static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
1663 struct intel_version *ver)
1664 {
1665 const struct firmware *fw;
1666 char fwname[64];
1667 int ret;
1668
1669 snprintf(fwname, sizeof(fwname),
1670 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1671 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1672 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1673 ver->fw_build_ww, ver->fw_build_yy);
1674
1675 ret = request_firmware(&fw, fwname, &hdev->dev);
1676 if (ret < 0) {
1677 if (ret == -EINVAL) {
1678 bt_dev_err(hdev, "Intel firmware file request failed (%d)",
1679 ret);
1680 return NULL;
1681 }
1682
1683 bt_dev_err(hdev, "failed to open Intel firmware file: %s (%d)",
1684 fwname, ret);
1685
1686
1687
1688
1689 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1690 ver->hw_platform, ver->hw_variant);
1691 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1692 bt_dev_err(hdev, "failed to open default fw file: %s",
1693 fwname);
1694 return NULL;
1695 }
1696 }
1697
1698 bt_dev_info(hdev, "Intel Bluetooth firmware file: %s", fwname);
1699
1700 return fw;
1701 }
1702
1703 static int btusb_setup_intel_patching(struct hci_dev *hdev,
1704 const struct firmware *fw,
1705 const u8 **fw_ptr, int *disable_patch)
1706 {
1707 struct sk_buff *skb;
1708 struct hci_command_hdr *cmd;
1709 const u8 *cmd_param;
1710 struct hci_event_hdr *evt = NULL;
1711 const u8 *evt_param = NULL;
1712 int remain = fw->size - (*fw_ptr - fw->data);
1713
1714
1715
1716
1717
1718
1719
1720
1721 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1722 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd read");
1723 return -EINVAL;
1724 }
1725 (*fw_ptr)++;
1726 remain--;
1727
1728 cmd = (struct hci_command_hdr *)(*fw_ptr);
1729 *fw_ptr += sizeof(*cmd);
1730 remain -= sizeof(*cmd);
1731
1732
1733
1734
1735 if (remain < cmd->plen) {
1736 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd len");
1737 return -EFAULT;
1738 }
1739
1740
1741
1742
1743
1744
1745
1746 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1747 *disable_patch = 0;
1748
1749 cmd_param = *fw_ptr;
1750 *fw_ptr += cmd->plen;
1751 remain -= cmd->plen;
1752
1753
1754
1755
1756
1757
1758
1759
1760 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1761 (*fw_ptr)++;
1762 remain--;
1763
1764 evt = (struct hci_event_hdr *)(*fw_ptr);
1765 *fw_ptr += sizeof(*evt);
1766 remain -= sizeof(*evt);
1767
1768 if (remain < evt->plen) {
1769 bt_dev_err(hdev, "Intel fw corrupted: invalid evt len");
1770 return -EFAULT;
1771 }
1772
1773 evt_param = *fw_ptr;
1774 *fw_ptr += evt->plen;
1775 remain -= evt->plen;
1776 }
1777
1778
1779
1780
1781
1782 if (!evt || !evt_param || remain < 0) {
1783 bt_dev_err(hdev, "Intel fw corrupted: invalid evt read");
1784 return -EFAULT;
1785 }
1786
1787 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1788 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1789 if (IS_ERR(skb)) {
1790 bt_dev_err(hdev, "sending Intel patch command (0x%4.4x) failed (%ld)",
1791 cmd->opcode, PTR_ERR(skb));
1792 return PTR_ERR(skb);
1793 }
1794
1795
1796
1797
1798
1799 if (skb->len != evt->plen) {
1800 bt_dev_err(hdev, "mismatch event length (opcode 0x%4.4x)",
1801 le16_to_cpu(cmd->opcode));
1802 kfree_skb(skb);
1803 return -EFAULT;
1804 }
1805
1806 if (memcmp(skb->data, evt_param, evt->plen)) {
1807 bt_dev_err(hdev, "mismatch event parameter (opcode 0x%4.4x)",
1808 le16_to_cpu(cmd->opcode));
1809 kfree_skb(skb);
1810 return -EFAULT;
1811 }
1812 kfree_skb(skb);
1813
1814 return 0;
1815 }
1816
1817 static int btusb_setup_intel(struct hci_dev *hdev)
1818 {
1819 struct sk_buff *skb;
1820 const struct firmware *fw;
1821 const u8 *fw_ptr;
1822 int disable_patch, err;
1823 struct intel_version ver;
1824
1825 BT_DBG("%s", hdev->name);
1826
1827
1828
1829
1830
1831
1832
1833
1834
1835 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1836 if (IS_ERR(skb)) {
1837 bt_dev_err(hdev, "sending initial HCI reset command failed (%ld)",
1838 PTR_ERR(skb));
1839 return PTR_ERR(skb);
1840 }
1841 kfree_skb(skb);
1842
1843
1844
1845
1846
1847
1848
1849 err = btintel_read_version(hdev, &ver);
1850 if (err)
1851 return err;
1852
1853 bt_dev_info(hdev, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1854 ver.hw_platform, ver.hw_variant, ver.hw_revision,
1855 ver.fw_variant, ver.fw_revision, ver.fw_build_num,
1856 ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
1857
1858
1859
1860
1861
1862 if (ver.fw_patch_num) {
1863 bt_dev_info(hdev, "Intel device is already patched. "
1864 "patch num: %02x", ver.fw_patch_num);
1865 goto complete;
1866 }
1867
1868
1869
1870
1871
1872
1873
1874 fw = btusb_setup_intel_get_fw(hdev, &ver);
1875 if (!fw)
1876 goto complete;
1877 fw_ptr = fw->data;
1878
1879
1880
1881
1882
1883 err = btintel_enter_mfg(hdev);
1884 if (err) {
1885 release_firmware(fw);
1886 return err;
1887 }
1888
1889 disable_patch = 1;
1890
1891
1892
1893
1894
1895
1896
1897
1898
1899
1900
1901
1902
1903
1904
1905
1906
1907
1908
1909
1910
1911 while (fw->size > fw_ptr - fw->data) {
1912 int ret;
1913
1914 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1915 &disable_patch);
1916 if (ret < 0)
1917 goto exit_mfg_deactivate;
1918 }
1919
1920 release_firmware(fw);
1921
1922 if (disable_patch)
1923 goto exit_mfg_disable;
1924
1925
1926
1927
1928 err = btintel_exit_mfg(hdev, true, true);
1929 if (err)
1930 return err;
1931
1932 bt_dev_info(hdev, "Intel firmware patch completed and activated");
1933
1934 goto complete;
1935
1936 exit_mfg_disable:
1937
1938 err = btintel_exit_mfg(hdev, false, false);
1939 if (err)
1940 return err;
1941
1942 bt_dev_info(hdev, "Intel firmware patch completed");
1943
1944 goto complete;
1945
1946 exit_mfg_deactivate:
1947 release_firmware(fw);
1948
1949
1950
1951
1952 err = btintel_exit_mfg(hdev, true, false);
1953 if (err)
1954 return err;
1955
1956 bt_dev_info(hdev, "Intel firmware patch completed and deactivated");
1957
1958 complete:
1959
1960
1961
1962 btintel_set_event_mask_mfg(hdev, false);
1963
1964 btintel_check_bdaddr(hdev);
1965 return 0;
1966 }
1967
1968 static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1969 {
1970 struct sk_buff *skb;
1971 struct hci_event_hdr *hdr;
1972 struct hci_ev_cmd_complete *evt;
1973
1974 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
1975 if (!skb)
1976 return -ENOMEM;
1977
1978 hdr = skb_put(skb, sizeof(*hdr));
1979 hdr->evt = HCI_EV_CMD_COMPLETE;
1980 hdr->plen = sizeof(*evt) + 1;
1981
1982 evt = skb_put(skb, sizeof(*evt));
1983 evt->ncmd = 0x01;
1984 evt->opcode = cpu_to_le16(opcode);
1985
1986 skb_put_u8(skb, 0x00);
1987
1988 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
1989
1990 return hci_recv_frame(hdev, skb);
1991 }
1992
1993 static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
1994 int count)
1995 {
1996
1997
1998
1999
2000 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
2001 return btusb_recv_intr(data, buffer, count);
2002
2003 return btusb_recv_bulk(data, buffer, count);
2004 }
2005
2006 static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
2007 unsigned int len)
2008 {
2009 const struct intel_bootup *evt = ptr;
2010
2011 if (len != sizeof(*evt))
2012 return;
2013
2014 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags))
2015 wake_up_bit(&data->flags, BTUSB_BOOTING);
2016 }
2017
2018 static void btusb_intel_secure_send_result(struct btusb_data *data,
2019 const void *ptr, unsigned int len)
2020 {
2021 const struct intel_secure_send_result *evt = ptr;
2022
2023 if (len != sizeof(*evt))
2024 return;
2025
2026 if (evt->result)
2027 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
2028
2029 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
2030 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags))
2031 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
2032 }
2033
2034 static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
2035 {
2036 struct btusb_data *data = hci_get_drvdata(hdev);
2037
2038 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
2039 struct hci_event_hdr *hdr = (void *)skb->data;
2040
2041 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
2042 hdr->plen > 0) {
2043 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
2044 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
2045
2046 switch (skb->data[2]) {
2047 case 0x02:
2048
2049
2050
2051
2052 btusb_intel_bootup(data, ptr, len);
2053 break;
2054 case 0x06:
2055
2056
2057
2058
2059
2060 btusb_intel_secure_send_result(data, ptr, len);
2061 break;
2062 }
2063 }
2064 }
2065
2066 return hci_recv_frame(hdev, skb);
2067 }
2068
2069 static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
2070 {
2071 struct btusb_data *data = hci_get_drvdata(hdev);
2072 struct urb *urb;
2073
2074 BT_DBG("%s", hdev->name);
2075
2076 switch (hci_skb_pkt_type(skb)) {
2077 case HCI_COMMAND_PKT:
2078 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
2079 struct hci_command_hdr *cmd = (void *)skb->data;
2080 __u16 opcode = le16_to_cpu(cmd->opcode);
2081
2082
2083
2084
2085
2086 if (opcode == 0xfc09)
2087 urb = alloc_bulk_urb(hdev, skb);
2088 else
2089 urb = alloc_ctrl_urb(hdev, skb);
2090
2091
2092
2093
2094
2095
2096 if (opcode == 0xfc01)
2097 inject_cmd_complete(hdev, opcode);
2098 } else {
2099 urb = alloc_ctrl_urb(hdev, skb);
2100 }
2101 if (IS_ERR(urb))
2102 return PTR_ERR(urb);
2103
2104 hdev->stat.cmd_tx++;
2105 return submit_or_queue_tx_urb(hdev, urb);
2106
2107 case HCI_ACLDATA_PKT:
2108 urb = alloc_bulk_urb(hdev, skb);
2109 if (IS_ERR(urb))
2110 return PTR_ERR(urb);
2111
2112 hdev->stat.acl_tx++;
2113 return submit_or_queue_tx_urb(hdev, urb);
2114
2115 case HCI_SCODATA_PKT:
2116 if (hci_conn_num(hdev, SCO_LINK) < 1)
2117 return -ENODEV;
2118
2119 urb = alloc_isoc_urb(hdev, skb);
2120 if (IS_ERR(urb))
2121 return PTR_ERR(urb);
2122
2123 hdev->stat.sco_tx++;
2124 return submit_tx_urb(hdev, urb);
2125 }
2126
2127 return -EILSEQ;
2128 }
2129
2130 static bool btusb_setup_intel_new_get_fw_name(struct intel_version *ver,
2131 struct intel_boot_params *params,
2132 char *fw_name, size_t len,
2133 const char *suffix)
2134 {
2135 switch (ver->hw_variant) {
2136 case 0x0b:
2137 case 0x0c:
2138 snprintf(fw_name, len, "intel/ibt-%u-%u.%s",
2139 le16_to_cpu(ver->hw_variant),
2140 le16_to_cpu(params->dev_revid),
2141 suffix);
2142 break;
2143 case 0x11:
2144 case 0x12:
2145 case 0x13:
2146 case 0x14:
2147 snprintf(fw_name, len, "intel/ibt-%u-%u-%u.%s",
2148 le16_to_cpu(ver->hw_variant),
2149 le16_to_cpu(ver->hw_revision),
2150 le16_to_cpu(ver->fw_revision),
2151 suffix);
2152 break;
2153 default:
2154 return false;
2155 }
2156 return true;
2157 }
2158
2159 static int btusb_setup_intel_new(struct hci_dev *hdev)
2160 {
2161 struct btusb_data *data = hci_get_drvdata(hdev);
2162 struct intel_version ver;
2163 struct intel_boot_params params;
2164 const struct firmware *fw;
2165 u32 boot_param;
2166 char fwname[64];
2167 ktime_t calltime, delta, rettime;
2168 unsigned long long duration;
2169 int err;
2170
2171 BT_DBG("%s", hdev->name);
2172
2173
2174
2175
2176
2177 boot_param = 0x00000000;
2178
2179 calltime = ktime_get();
2180
2181
2182
2183
2184
2185 err = btintel_read_version(hdev, &ver);
2186 if (err)
2187 return err;
2188
2189
2190
2191
2192 if (ver.hw_platform != 0x37) {
2193 bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)",
2194 ver.hw_platform);
2195 return -EINVAL;
2196 }
2197
2198
2199
2200
2201
2202
2203
2204 switch (ver.hw_variant) {
2205 case 0x0b:
2206 case 0x0c:
2207 case 0x11:
2208 case 0x12:
2209 case 0x13:
2210 case 0x14:
2211 break;
2212 default:
2213 bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
2214 ver.hw_variant);
2215 return -EINVAL;
2216 }
2217
2218 btintel_version_info(hdev, &ver);
2219
2220
2221
2222
2223
2224
2225
2226
2227
2228
2229
2230
2231
2232
2233 if (ver.fw_variant == 0x23) {
2234 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2235 btintel_check_bdaddr(hdev);
2236 return 0;
2237 }
2238
2239
2240
2241
2242 if (ver.fw_variant != 0x06) {
2243 bt_dev_err(hdev, "Unsupported Intel firmware variant (%u)",
2244 ver.fw_variant);
2245 return -ENODEV;
2246 }
2247
2248
2249
2250
2251 err = btintel_read_boot_params(hdev, ¶ms);
2252 if (err)
2253 return err;
2254
2255
2256
2257
2258
2259 if (params.limited_cce != 0x00) {
2260 bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)",
2261 params.limited_cce);
2262 return -EINVAL;
2263 }
2264
2265
2266
2267
2268 if (!bacmp(¶ms.otp_bdaddr, BDADDR_ANY)) {
2269 bt_dev_info(hdev, "No device address configured");
2270 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2271 }
2272
2273
2274
2275
2276
2277
2278
2279
2280
2281
2282
2283
2284
2285
2286
2287
2288
2289
2290
2291
2292
2293
2294 err = btusb_setup_intel_new_get_fw_name(&ver, ¶ms, fwname,
2295 sizeof(fwname), "sfi");
2296 if (!err) {
2297 bt_dev_err(hdev, "Unsupported Intel firmware naming");
2298 return -EINVAL;
2299 }
2300
2301 err = request_firmware(&fw, fwname, &hdev->dev);
2302 if (err < 0) {
2303 bt_dev_err(hdev, "Failed to load Intel firmware file (%d)", err);
2304 return err;
2305 }
2306
2307 bt_dev_info(hdev, "Found device firmware: %s", fwname);
2308
2309
2310
2311
2312 err = btusb_setup_intel_new_get_fw_name(&ver, ¶ms, fwname,
2313 sizeof(fwname), "ddc");
2314 if (!err) {
2315 bt_dev_err(hdev, "Unsupported Intel firmware naming");
2316 return -EINVAL;
2317 }
2318
2319 if (fw->size < 644) {
2320 bt_dev_err(hdev, "Invalid size of firmware file (%zu)",
2321 fw->size);
2322 err = -EBADF;
2323 goto done;
2324 }
2325
2326 set_bit(BTUSB_DOWNLOADING, &data->flags);
2327
2328
2329 err = btintel_download_firmware(hdev, fw, &boot_param);
2330 if (err < 0)
2331 goto done;
2332
2333 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2334
2335 bt_dev_info(hdev, "Waiting for firmware download to complete");
2336
2337
2338
2339
2340
2341
2342
2343
2344
2345
2346
2347
2348 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2349 TASK_INTERRUPTIBLE,
2350 msecs_to_jiffies(5000));
2351 if (err == -EINTR) {
2352 bt_dev_err(hdev, "Firmware loading interrupted");
2353 goto done;
2354 }
2355
2356 if (err) {
2357 bt_dev_err(hdev, "Firmware loading timeout");
2358 err = -ETIMEDOUT;
2359 goto done;
2360 }
2361
2362 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
2363 bt_dev_err(hdev, "Firmware loading failed");
2364 err = -ENOEXEC;
2365 goto done;
2366 }
2367
2368 rettime = ktime_get();
2369 delta = ktime_sub(rettime, calltime);
2370 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2371
2372 bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
2373
2374 done:
2375 release_firmware(fw);
2376
2377 if (err < 0)
2378 return err;
2379
2380 calltime = ktime_get();
2381
2382 set_bit(BTUSB_BOOTING, &data->flags);
2383
2384 err = btintel_send_intel_reset(hdev, boot_param);
2385 if (err)
2386 return err;
2387
2388
2389
2390
2391
2392
2393
2394
2395 bt_dev_info(hdev, "Waiting for device to boot");
2396
2397 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2398 TASK_INTERRUPTIBLE,
2399 msecs_to_jiffies(1000));
2400
2401 if (err == -EINTR) {
2402 bt_dev_err(hdev, "Device boot interrupted");
2403 return -EINTR;
2404 }
2405
2406 if (err) {
2407 bt_dev_err(hdev, "Device boot timeout");
2408 return -ETIMEDOUT;
2409 }
2410
2411 rettime = ktime_get();
2412 delta = ktime_sub(rettime, calltime);
2413 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2414
2415 bt_dev_info(hdev, "Device booted in %llu usecs", duration);
2416
2417 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2418
2419
2420
2421
2422
2423
2424
2425 btintel_load_ddc_config(hdev, fwname);
2426
2427
2428
2429
2430
2431
2432
2433
2434 btintel_set_event_mask(hdev, false);
2435
2436 return 0;
2437 }
2438
2439 static int btusb_shutdown_intel(struct hci_dev *hdev)
2440 {
2441 struct sk_buff *skb;
2442 long ret;
2443
2444
2445
2446
2447
2448
2449
2450
2451
2452 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
2453 if (IS_ERR(skb)) {
2454 ret = PTR_ERR(skb);
2455 bt_dev_err(hdev, "HCI reset during shutdown failed");
2456 return ret;
2457 }
2458 kfree_skb(skb);
2459
2460
2461
2462
2463
2464 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2465 if (IS_ERR(skb)) {
2466 ret = PTR_ERR(skb);
2467 bt_dev_err(hdev, "turning off Intel device LED failed");
2468 return ret;
2469 }
2470 kfree_skb(skb);
2471
2472 return 0;
2473 }
2474
2475 static int btusb_shutdown_intel_new(struct hci_dev *hdev)
2476 {
2477 struct sk_buff *skb;
2478
2479
2480
2481
2482
2483 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
2484 if (IS_ERR(skb)) {
2485 bt_dev_err(hdev, "HCI reset during shutdown failed");
2486 return PTR_ERR(skb);
2487 }
2488 kfree_skb(skb);
2489
2490 return 0;
2491 }
2492
2493 #ifdef CONFIG_BT_HCIBTUSB_MTK
2494
2495 #define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
2496 #define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
2497
2498 #define HCI_WMT_MAX_EVENT_SIZE 64
2499
2500 enum {
2501 BTMTK_WMT_PATCH_DWNLD = 0x1,
2502 BTMTK_WMT_FUNC_CTRL = 0x6,
2503 BTMTK_WMT_RST = 0x7,
2504 BTMTK_WMT_SEMAPHORE = 0x17,
2505 };
2506
2507 enum {
2508 BTMTK_WMT_INVALID,
2509 BTMTK_WMT_PATCH_UNDONE,
2510 BTMTK_WMT_PATCH_DONE,
2511 BTMTK_WMT_ON_UNDONE,
2512 BTMTK_WMT_ON_DONE,
2513 BTMTK_WMT_ON_PROGRESS,
2514 };
2515
2516 struct btmtk_wmt_hdr {
2517 u8 dir;
2518 u8 op;
2519 __le16 dlen;
2520 u8 flag;
2521 } __packed;
2522
2523 struct btmtk_hci_wmt_cmd {
2524 struct btmtk_wmt_hdr hdr;
2525 u8 data[256];
2526 } __packed;
2527
2528 struct btmtk_hci_wmt_evt {
2529 struct hci_event_hdr hhdr;
2530 struct btmtk_wmt_hdr whdr;
2531 } __packed;
2532
2533 struct btmtk_hci_wmt_evt_funcc {
2534 struct btmtk_hci_wmt_evt hwhdr;
2535 __be16 status;
2536 } __packed;
2537
2538 struct btmtk_tci_sleep {
2539 u8 mode;
2540 __le16 duration;
2541 __le16 host_duration;
2542 u8 host_wakeup_pin;
2543 u8 time_compensation;
2544 } __packed;
2545
2546 struct btmtk_hci_wmt_params {
2547 u8 op;
2548 u8 flag;
2549 u16 dlen;
2550 const void *data;
2551 u32 *status;
2552 };
2553
2554 static void btusb_mtk_wmt_recv(struct urb *urb)
2555 {
2556 struct hci_dev *hdev = urb->context;
2557 struct btusb_data *data = hci_get_drvdata(hdev);
2558 struct hci_event_hdr *hdr;
2559 struct sk_buff *skb;
2560 int err;
2561
2562 if (urb->status == 0 && urb->actual_length > 0) {
2563 hdev->stat.byte_rx += urb->actual_length;
2564
2565
2566
2567
2568 skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
2569 if (!skb) {
2570 hdev->stat.err_rx++;
2571 goto err_out;
2572 }
2573
2574 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
2575 skb_put_data(skb, urb->transfer_buffer, urb->actual_length);
2576
2577 hdr = (void *)skb->data;
2578
2579
2580
2581
2582 hdr->evt = 0xff;
2583
2584
2585
2586
2587 if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) {
2588 data->evt_skb = skb_clone(skb, GFP_ATOMIC);
2589 if (!data->evt_skb)
2590 goto err_out;
2591 }
2592
2593 err = hci_recv_frame(hdev, skb);
2594 if (err < 0)
2595 goto err_free_skb;
2596
2597 if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT,
2598 &data->flags)) {
2599
2600 smp_mb__after_atomic();
2601 wake_up_bit(&data->flags,
2602 BTUSB_TX_WAIT_VND_EVT);
2603 }
2604 err_out:
2605 return;
2606 err_free_skb:
2607 kfree_skb(data->evt_skb);
2608 data->evt_skb = NULL;
2609 return;
2610 } else if (urb->status == -ENOENT) {
2611
2612 return;
2613 }
2614
2615 usb_mark_last_busy(data->udev);
2616
2617
2618
2619
2620
2621
2622
2623
2624 udelay(100);
2625
2626 usb_anchor_urb(urb, &data->ctrl_anchor);
2627 err = usb_submit_urb(urb, GFP_ATOMIC);
2628 if (err < 0) {
2629
2630
2631
2632 if (err != -EPERM && err != -ENODEV)
2633 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
2634 urb, -err);
2635 usb_unanchor_urb(urb);
2636 }
2637 }
2638
2639 static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev)
2640 {
2641 struct btusb_data *data = hci_get_drvdata(hdev);
2642 struct usb_ctrlrequest *dr;
2643 unsigned char *buf;
2644 int err, size = 64;
2645 unsigned int pipe;
2646 struct urb *urb;
2647
2648 urb = usb_alloc_urb(0, GFP_KERNEL);
2649 if (!urb)
2650 return -ENOMEM;
2651
2652 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
2653 if (!dr) {
2654 usb_free_urb(urb);
2655 return -ENOMEM;
2656 }
2657
2658 dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
2659 dr->bRequest = 1;
2660 dr->wIndex = cpu_to_le16(0);
2661 dr->wValue = cpu_to_le16(48);
2662 dr->wLength = cpu_to_le16(size);
2663
2664 buf = kmalloc(size, GFP_KERNEL);
2665 if (!buf) {
2666 kfree(dr);
2667 return -ENOMEM;
2668 }
2669
2670 pipe = usb_rcvctrlpipe(data->udev, 0);
2671
2672 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
2673 buf, size, btusb_mtk_wmt_recv, hdev);
2674
2675 urb->transfer_flags |= URB_FREE_BUFFER;
2676
2677 usb_anchor_urb(urb, &data->ctrl_anchor);
2678 err = usb_submit_urb(urb, GFP_KERNEL);
2679 if (err < 0) {
2680 if (err != -EPERM && err != -ENODEV)
2681 bt_dev_err(hdev, "urb %p submission failed (%d)",
2682 urb, -err);
2683 usb_unanchor_urb(urb);
2684 }
2685
2686 usb_free_urb(urb);
2687
2688 return err;
2689 }
2690
2691 static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
2692 struct btmtk_hci_wmt_params *wmt_params)
2693 {
2694 struct btusb_data *data = hci_get_drvdata(hdev);
2695 struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
2696 u32 hlen, status = BTMTK_WMT_INVALID;
2697 struct btmtk_hci_wmt_evt *wmt_evt;
2698 struct btmtk_hci_wmt_cmd wc;
2699 struct btmtk_wmt_hdr *hdr;
2700 int err;
2701
2702
2703 err = btusb_mtk_submit_wmt_recv_urb(hdev);
2704 if (err < 0)
2705 return err;
2706
2707
2708 hlen = sizeof(*hdr) + wmt_params->dlen;
2709 if (hlen > 255)
2710 return -EINVAL;
2711
2712 hdr = (struct btmtk_wmt_hdr *)&wc;
2713 hdr->dir = 1;
2714 hdr->op = wmt_params->op;
2715 hdr->dlen = cpu_to_le16(wmt_params->dlen + 1);
2716 hdr->flag = wmt_params->flag;
2717 memcpy(wc.data, wmt_params->data, wmt_params->dlen);
2718
2719 set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2720
2721 err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc);
2722
2723 if (err < 0) {
2724 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2725 return err;
2726 }
2727
2728
2729
2730
2731
2732
2733
2734
2735
2736
2737 err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT,
2738 TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT);
2739 if (err == -EINTR) {
2740 bt_dev_err(hdev, "Execution of wmt command interrupted");
2741 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2742 return err;
2743 }
2744
2745 if (err) {
2746 bt_dev_err(hdev, "Execution of wmt command timed out");
2747 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2748 return -ETIMEDOUT;
2749 }
2750
2751
2752 wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data;
2753 if (wmt_evt->whdr.op != hdr->op) {
2754 bt_dev_err(hdev, "Wrong op received %d expected %d",
2755 wmt_evt->whdr.op, hdr->op);
2756 err = -EIO;
2757 goto err_free_skb;
2758 }
2759
2760 switch (wmt_evt->whdr.op) {
2761 case BTMTK_WMT_SEMAPHORE:
2762 if (wmt_evt->whdr.flag == 2)
2763 status = BTMTK_WMT_PATCH_UNDONE;
2764 else
2765 status = BTMTK_WMT_PATCH_DONE;
2766 break;
2767 case BTMTK_WMT_FUNC_CTRL:
2768 wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt;
2769 if (be16_to_cpu(wmt_evt_funcc->status) == 0x404)
2770 status = BTMTK_WMT_ON_DONE;
2771 else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420)
2772 status = BTMTK_WMT_ON_PROGRESS;
2773 else
2774 status = BTMTK_WMT_ON_UNDONE;
2775 break;
2776 }
2777
2778 if (wmt_params->status)
2779 *wmt_params->status = status;
2780
2781 err_free_skb:
2782 kfree_skb(data->evt_skb);
2783 data->evt_skb = NULL;
2784
2785 return err;
2786 }
2787
2788 static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
2789 {
2790 struct btmtk_hci_wmt_params wmt_params;
2791 const struct firmware *fw;
2792 const u8 *fw_ptr;
2793 size_t fw_size;
2794 int err, dlen;
2795 u8 flag;
2796
2797 err = request_firmware(&fw, fwname, &hdev->dev);
2798 if (err < 0) {
2799 bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
2800 return err;
2801 }
2802
2803 fw_ptr = fw->data;
2804 fw_size = fw->size;
2805
2806
2807 if (fw_size < 30) {
2808 err = -EINVAL;
2809 goto err_release_fw;
2810 }
2811
2812 fw_size -= 30;
2813 fw_ptr += 30;
2814 flag = 1;
2815
2816 wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
2817 wmt_params.status = NULL;
2818
2819 while (fw_size > 0) {
2820 dlen = min_t(int, 250, fw_size);
2821
2822
2823 if (fw_size - dlen <= 0)
2824 flag = 3;
2825 else if (fw_size < fw->size - 30)
2826 flag = 2;
2827
2828 wmt_params.flag = flag;
2829 wmt_params.dlen = dlen;
2830 wmt_params.data = fw_ptr;
2831
2832 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2833 if (err < 0) {
2834 bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
2835 err);
2836 goto err_release_fw;
2837 }
2838
2839 fw_size -= dlen;
2840 fw_ptr += dlen;
2841 }
2842
2843 wmt_params.op = BTMTK_WMT_RST;
2844 wmt_params.flag = 4;
2845 wmt_params.dlen = 0;
2846 wmt_params.data = NULL;
2847 wmt_params.status = NULL;
2848
2849
2850 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2851 if (err < 0) {
2852 bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
2853 goto err_release_fw;
2854 }
2855
2856
2857 usleep_range(10000, 12000);
2858
2859 err_release_fw:
2860 release_firmware(fw);
2861
2862 return err;
2863 }
2864
2865 static int btusb_mtk_func_query(struct hci_dev *hdev)
2866 {
2867 struct btmtk_hci_wmt_params wmt_params;
2868 int status, err;
2869 u8 param = 0;
2870
2871
2872 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
2873 wmt_params.flag = 4;
2874 wmt_params.dlen = sizeof(param);
2875 wmt_params.data = ¶m;
2876 wmt_params.status = &status;
2877
2878 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2879 if (err < 0) {
2880 bt_dev_err(hdev, "Failed to query function status (%d)", err);
2881 return err;
2882 }
2883
2884 return status;
2885 }
2886
2887 static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val)
2888 {
2889 int pipe, err, size = sizeof(u32);
2890 void *buf;
2891
2892 buf = kzalloc(size, GFP_KERNEL);
2893 if (!buf)
2894 return -ENOMEM;
2895
2896 pipe = usb_rcvctrlpipe(data->udev, 0);
2897 err = usb_control_msg(data->udev, pipe, 0x63,
2898 USB_TYPE_VENDOR | USB_DIR_IN,
2899 reg >> 16, reg & 0xffff,
2900 buf, size, USB_CTRL_SET_TIMEOUT);
2901 if (err < 0)
2902 goto err_free_buf;
2903
2904 *val = get_unaligned_le32(buf);
2905
2906 err_free_buf:
2907 kfree(buf);
2908
2909 return err;
2910 }
2911
2912 static int btusb_mtk_id_get(struct btusb_data *data, u32 *id)
2913 {
2914 return btusb_mtk_reg_read(data, 0x80000008, id);
2915 }
2916
2917 static int btusb_mtk_setup(struct hci_dev *hdev)
2918 {
2919 struct btusb_data *data = hci_get_drvdata(hdev);
2920 struct btmtk_hci_wmt_params wmt_params;
2921 ktime_t calltime, delta, rettime;
2922 struct btmtk_tci_sleep tci_sleep;
2923 unsigned long long duration;
2924 struct sk_buff *skb;
2925 const char *fwname;
2926 int err, status;
2927 u32 dev_id;
2928 u8 param;
2929
2930 calltime = ktime_get();
2931
2932 err = btusb_mtk_id_get(data, &dev_id);
2933 if (err < 0) {
2934 bt_dev_err(hdev, "Failed to get device id (%d)", err);
2935 return err;
2936 }
2937
2938 switch (dev_id) {
2939 case 0x7663:
2940 fwname = FIRMWARE_MT7663;
2941 break;
2942 case 0x7668:
2943 fwname = FIRMWARE_MT7668;
2944 break;
2945 default:
2946 bt_dev_err(hdev, "Unsupported support hardware variant (%08x)",
2947 dev_id);
2948 return -ENODEV;
2949 }
2950
2951
2952 wmt_params.op = BTMTK_WMT_SEMAPHORE;
2953 wmt_params.flag = 1;
2954 wmt_params.dlen = 0;
2955 wmt_params.data = NULL;
2956 wmt_params.status = &status;
2957
2958 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2959 if (err < 0) {
2960 bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
2961 return err;
2962 }
2963
2964 if (status == BTMTK_WMT_PATCH_DONE) {
2965 bt_dev_info(hdev, "firmware already downloaded");
2966 goto ignore_setup_fw;
2967 }
2968
2969
2970 err = btusb_mtk_setup_firmware(hdev, fwname);
2971 if (err < 0)
2972 return err;
2973
2974 ignore_setup_fw:
2975 err = readx_poll_timeout(btusb_mtk_func_query, hdev, status,
2976 status < 0 || status != BTMTK_WMT_ON_PROGRESS,
2977 2000, 5000000);
2978
2979 if (err < 0)
2980 return err;
2981
2982
2983 if (status < 0)
2984 return status;
2985
2986 if (status == BTMTK_WMT_ON_DONE) {
2987 bt_dev_info(hdev, "function already on");
2988 goto ignore_func_on;
2989 }
2990
2991
2992 param = 1;
2993 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
2994 wmt_params.flag = 0;
2995 wmt_params.dlen = sizeof(param);
2996 wmt_params.data = ¶m;
2997 wmt_params.status = NULL;
2998
2999 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3000 if (err < 0) {
3001 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3002 return err;
3003 }
3004
3005 ignore_func_on:
3006
3007 tci_sleep.mode = 0x5;
3008 tci_sleep.duration = cpu_to_le16(0x640);
3009 tci_sleep.host_duration = cpu_to_le16(0x640);
3010 tci_sleep.host_wakeup_pin = 0;
3011 tci_sleep.time_compensation = 0;
3012
3013 skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
3014 HCI_INIT_TIMEOUT);
3015 if (IS_ERR(skb)) {
3016 err = PTR_ERR(skb);
3017 bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
3018 return err;
3019 }
3020 kfree_skb(skb);
3021
3022 rettime = ktime_get();
3023 delta = ktime_sub(rettime, calltime);
3024 duration = (unsigned long long)ktime_to_ns(delta) >> 10;
3025
3026 bt_dev_info(hdev, "Device setup in %llu usecs", duration);
3027
3028 return 0;
3029 }
3030
3031 static int btusb_mtk_shutdown(struct hci_dev *hdev)
3032 {
3033 struct btmtk_hci_wmt_params wmt_params;
3034 u8 param = 0;
3035 int err;
3036
3037
3038 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3039 wmt_params.flag = 0;
3040 wmt_params.dlen = sizeof(param);
3041 wmt_params.data = ¶m;
3042 wmt_params.status = NULL;
3043
3044 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3045 if (err < 0) {
3046 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3047 return err;
3048 }
3049
3050 return 0;
3051 }
3052
3053 MODULE_FIRMWARE(FIRMWARE_MT7663);
3054 MODULE_FIRMWARE(FIRMWARE_MT7668);
3055 #endif
3056
3057 #ifdef CONFIG_PM
3058
3059 static int marvell_config_oob_wake(struct hci_dev *hdev)
3060 {
3061 struct sk_buff *skb;
3062 struct btusb_data *data = hci_get_drvdata(hdev);
3063 struct device *dev = &data->udev->dev;
3064 u16 pin, gap, opcode;
3065 int ret;
3066 u8 cmd[5];
3067
3068
3069 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
3070 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
3071 return 0;
3072
3073
3074 opcode = hci_opcode_pack(0x3F, 0x59);
3075 cmd[0] = opcode & 0xFF;
3076 cmd[1] = opcode >> 8;
3077 cmd[2] = 2;
3078 cmd[3] = pin;
3079 cmd[4] = gap;
3080
3081 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
3082 if (!skb) {
3083 bt_dev_err(hdev, "%s: No memory\n", __func__);
3084 return -ENOMEM;
3085 }
3086
3087 skb_put_data(skb, cmd, sizeof(cmd));
3088 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
3089
3090 ret = btusb_send_frame(hdev, skb);
3091 if (ret) {
3092 bt_dev_err(hdev, "%s: configuration failed\n", __func__);
3093 kfree_skb(skb);
3094 return ret;
3095 }
3096
3097 return 0;
3098 }
3099 #endif
3100
3101 static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
3102 const bdaddr_t *bdaddr)
3103 {
3104 struct sk_buff *skb;
3105 u8 buf[8];
3106 long ret;
3107
3108 buf[0] = 0xfe;
3109 buf[1] = sizeof(bdaddr_t);
3110 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
3111
3112 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3113 if (IS_ERR(skb)) {
3114 ret = PTR_ERR(skb);
3115 bt_dev_err(hdev, "changing Marvell device address failed (%ld)",
3116 ret);
3117 return ret;
3118 }
3119 kfree_skb(skb);
3120
3121 return 0;
3122 }
3123
3124 static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
3125 const bdaddr_t *bdaddr)
3126 {
3127 struct sk_buff *skb;
3128 u8 buf[10];
3129 long ret;
3130
3131 buf[0] = 0x01;
3132 buf[1] = 0x01;
3133 buf[2] = 0x00;
3134 buf[3] = sizeof(bdaddr_t);
3135 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
3136
3137 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3138 if (IS_ERR(skb)) {
3139 ret = PTR_ERR(skb);
3140 bt_dev_err(hdev, "Change address command failed (%ld)", ret);
3141 return ret;
3142 }
3143 kfree_skb(skb);
3144
3145 return 0;
3146 }
3147
3148 #define QCA_DFU_PACKET_LEN 4096
3149
3150 #define QCA_GET_TARGET_VERSION 0x09
3151 #define QCA_CHECK_STATUS 0x05
3152 #define QCA_DFU_DOWNLOAD 0x01
3153
3154 #define QCA_SYSCFG_UPDATED 0x40
3155 #define QCA_PATCH_UPDATED 0x80
3156 #define QCA_DFU_TIMEOUT 3000
3157
3158 struct qca_version {
3159 __le32 rom_version;
3160 __le32 patch_version;
3161 __le32 ram_version;
3162 __le32 ref_clock;
3163 __u8 reserved[4];
3164 } __packed;
3165
3166 struct qca_rampatch_version {
3167 __le16 rom_version;
3168 __le16 patch_version;
3169 } __packed;
3170
3171 struct qca_device_info {
3172 u32 rom_version;
3173 u8 rampatch_hdr;
3174 u8 nvm_hdr;
3175 u8 ver_offset;
3176 };
3177
3178 static const struct qca_device_info qca_devices_table[] = {
3179 { 0x00000100, 20, 4, 10 },
3180 { 0x00000101, 20, 4, 10 },
3181 { 0x00000200, 28, 4, 18 },
3182 { 0x00000201, 28, 4, 18 },
3183 { 0x00000300, 28, 4, 18 },
3184 { 0x00000302, 28, 4, 18 },
3185 };
3186
3187 static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
3188 void *data, u16 size)
3189 {
3190 int pipe, err;
3191 u8 *buf;
3192
3193 buf = kmalloc(size, GFP_KERNEL);
3194 if (!buf)
3195 return -ENOMEM;
3196
3197
3198
3199
3200 pipe = usb_rcvctrlpipe(udev, 0);
3201 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
3202 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3203 if (err < 0) {
3204 dev_err(&udev->dev, "Failed to access otp area (%d)", err);
3205 goto done;
3206 }
3207
3208 memcpy(data, buf, size);
3209
3210 done:
3211 kfree(buf);
3212
3213 return err;
3214 }
3215
3216 static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
3217 const struct firmware *firmware,
3218 size_t hdr_size)
3219 {
3220 struct btusb_data *btdata = hci_get_drvdata(hdev);
3221 struct usb_device *udev = btdata->udev;
3222 size_t count, size, sent = 0;
3223 int pipe, len, err;
3224 u8 *buf;
3225
3226 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
3227 if (!buf)
3228 return -ENOMEM;
3229
3230 count = firmware->size;
3231
3232 size = min_t(size_t, count, hdr_size);
3233 memcpy(buf, firmware->data, size);
3234
3235
3236
3237
3238
3239
3240 pipe = usb_sndctrlpipe(udev, 0);
3241 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
3242 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3243 if (err < 0) {
3244 bt_dev_err(hdev, "Failed to send headers (%d)", err);
3245 goto done;
3246 }
3247
3248 sent += size;
3249 count -= size;
3250
3251 while (count) {
3252 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
3253
3254 memcpy(buf, firmware->data + sent, size);
3255
3256 pipe = usb_sndbulkpipe(udev, 0x02);
3257 err = usb_bulk_msg(udev, pipe, buf, size, &len,
3258 QCA_DFU_TIMEOUT);
3259 if (err < 0) {
3260 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)",
3261 sent, firmware->size, err);
3262 break;
3263 }
3264
3265 if (size != len) {
3266 bt_dev_err(hdev, "Failed to get bulk buffer");
3267 err = -EILSEQ;
3268 break;
3269 }
3270
3271 sent += size;
3272 count -= size;
3273 }
3274
3275 done:
3276 kfree(buf);
3277 return err;
3278 }
3279
3280 static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
3281 struct qca_version *ver,
3282 const struct qca_device_info *info)
3283 {
3284 struct qca_rampatch_version *rver;
3285 const struct firmware *fw;
3286 u32 ver_rom, ver_patch;
3287 u16 rver_rom, rver_patch;
3288 char fwname[64];
3289 int err;
3290
3291 ver_rom = le32_to_cpu(ver->rom_version);
3292 ver_patch = le32_to_cpu(ver->patch_version);
3293
3294 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
3295
3296 err = request_firmware(&fw, fwname, &hdev->dev);
3297 if (err) {
3298 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)",
3299 fwname, err);
3300 return err;
3301 }
3302
3303 bt_dev_info(hdev, "using rampatch file: %s", fwname);
3304
3305 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
3306 rver_rom = le16_to_cpu(rver->rom_version);
3307 rver_patch = le16_to_cpu(rver->patch_version);
3308
3309 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
3310 "firmware rome 0x%x build 0x%x",
3311 rver_rom, rver_patch, ver_rom, ver_patch);
3312
3313 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
3314 bt_dev_err(hdev, "rampatch file version did not match with firmware");
3315 err = -EINVAL;
3316 goto done;
3317 }
3318
3319 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
3320
3321 done:
3322 release_firmware(fw);
3323
3324 return err;
3325 }
3326
3327 static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
3328 struct qca_version *ver,
3329 const struct qca_device_info *info)
3330 {
3331 const struct firmware *fw;
3332 char fwname[64];
3333 int err;
3334
3335 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
3336 le32_to_cpu(ver->rom_version));
3337
3338 err = request_firmware(&fw, fwname, &hdev->dev);
3339 if (err) {
3340 bt_dev_err(hdev, "failed to request NVM file: %s (%d)",
3341 fwname, err);
3342 return err;
3343 }
3344
3345 bt_dev_info(hdev, "using NVM file: %s", fwname);
3346
3347 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
3348
3349 release_firmware(fw);
3350
3351 return err;
3352 }
3353
3354
3355 static bool btusb_qca_need_patch(struct usb_device *udev)
3356 {
3357 struct qca_version ver;
3358
3359 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
3360 sizeof(ver)) < 0)
3361 return false;
3362
3363 return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
3364 }
3365
3366 static int btusb_setup_qca(struct hci_dev *hdev)
3367 {
3368 struct btusb_data *btdata = hci_get_drvdata(hdev);
3369 struct usb_device *udev = btdata->udev;
3370 const struct qca_device_info *info = NULL;
3371 struct qca_version ver;
3372 u32 ver_rom;
3373 u8 status;
3374 int i, err;
3375
3376 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
3377 sizeof(ver));
3378 if (err < 0)
3379 return err;
3380
3381 ver_rom = le32_to_cpu(ver.rom_version);
3382
3383 if (ver_rom & ~0xffffU)
3384 return 0;
3385
3386 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
3387 if (ver_rom == qca_devices_table[i].rom_version)
3388 info = &qca_devices_table[i];
3389 }
3390 if (!info) {
3391 bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom);
3392 return -ENODEV;
3393 }
3394
3395 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
3396 sizeof(status));
3397 if (err < 0)
3398 return err;
3399
3400 if (!(status & QCA_PATCH_UPDATED)) {
3401 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
3402 if (err < 0)
3403 return err;
3404 }
3405
3406 if (!(status & QCA_SYSCFG_UPDATED)) {
3407 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
3408 if (err < 0)
3409 return err;
3410 }
3411
3412 return 0;
3413 }
3414
3415 #ifdef CONFIG_BT_HCIBTUSB_BCM
3416 static inline int __set_diag_interface(struct hci_dev *hdev)
3417 {
3418 struct btusb_data *data = hci_get_drvdata(hdev);
3419 struct usb_interface *intf = data->diag;
3420 int i;
3421
3422 if (!data->diag)
3423 return -ENODEV;
3424
3425 data->diag_tx_ep = NULL;
3426 data->diag_rx_ep = NULL;
3427
3428 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3429 struct usb_endpoint_descriptor *ep_desc;
3430
3431 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3432
3433 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
3434 data->diag_tx_ep = ep_desc;
3435 continue;
3436 }
3437
3438 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
3439 data->diag_rx_ep = ep_desc;
3440 continue;
3441 }
3442 }
3443
3444 if (!data->diag_tx_ep || !data->diag_rx_ep) {
3445 bt_dev_err(hdev, "invalid diagnostic descriptors");
3446 return -ENODEV;
3447 }
3448
3449 return 0;
3450 }
3451
3452 static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
3453 {
3454 struct btusb_data *data = hci_get_drvdata(hdev);
3455 struct sk_buff *skb;
3456 struct urb *urb;
3457 unsigned int pipe;
3458
3459 if (!data->diag_tx_ep)
3460 return ERR_PTR(-ENODEV);
3461
3462 urb = usb_alloc_urb(0, GFP_KERNEL);
3463 if (!urb)
3464 return ERR_PTR(-ENOMEM);
3465
3466 skb = bt_skb_alloc(2, GFP_KERNEL);
3467 if (!skb) {
3468 usb_free_urb(urb);
3469 return ERR_PTR(-ENOMEM);
3470 }
3471
3472 skb_put_u8(skb, 0xf0);
3473 skb_put_u8(skb, enable);
3474
3475 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
3476
3477 usb_fill_bulk_urb(urb, data->udev, pipe,
3478 skb->data, skb->len, btusb_tx_complete, skb);
3479
3480 skb->dev = (void *)hdev;
3481
3482 return urb;
3483 }
3484
3485 static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
3486 {
3487 struct btusb_data *data = hci_get_drvdata(hdev);
3488 struct urb *urb;
3489
3490 if (!data->diag)
3491 return -ENODEV;
3492
3493 if (!test_bit(HCI_RUNNING, &hdev->flags))
3494 return -ENETDOWN;
3495
3496 urb = alloc_diag_urb(hdev, enable);
3497 if (IS_ERR(urb))
3498 return PTR_ERR(urb);
3499
3500 return submit_or_queue_tx_urb(hdev, urb);
3501 }
3502 #endif
3503
3504 #ifdef CONFIG_PM
3505 static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
3506 {
3507 struct btusb_data *data = priv;
3508
3509 pm_wakeup_event(&data->udev->dev, 0);
3510 pm_system_wakeup();
3511
3512
3513 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
3514 disable_irq_nosync(irq);
3515 disable_irq_wake(irq);
3516 }
3517 return IRQ_HANDLED;
3518 }
3519
3520 static const struct of_device_id btusb_match_table[] = {
3521 { .compatible = "usb1286,204e" },
3522 { .compatible = "usbcf3,e300" },
3523 { .compatible = "usb4ca,301a" },
3524 { }
3525 };
3526 MODULE_DEVICE_TABLE(of, btusb_match_table);
3527
3528
3529 static int btusb_config_oob_wake(struct hci_dev *hdev)
3530 {
3531 struct btusb_data *data = hci_get_drvdata(hdev);
3532 struct device *dev = &data->udev->dev;
3533 int irq, ret;
3534
3535 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
3536
3537 if (!of_match_device(btusb_match_table, dev))
3538 return 0;
3539
3540
3541 irq = of_irq_get_byname(dev->of_node, "wakeup");
3542 if (irq <= 0) {
3543 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
3544 return 0;
3545 }
3546
3547 irq_set_status_flags(irq, IRQ_NOAUTOEN);
3548 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
3549 0, "OOB Wake-on-BT", data);
3550 if (ret) {
3551 bt_dev_err(hdev, "%s: IRQ request failed", __func__);
3552 return ret;
3553 }
3554
3555 ret = device_init_wakeup(dev, true);
3556 if (ret) {
3557 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
3558 return ret;
3559 }
3560
3561 data->oob_wake_irq = irq;
3562 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
3563 return 0;
3564 }
3565 #endif
3566
3567 static void btusb_check_needs_reset_resume(struct usb_interface *intf)
3568 {
3569 if (dmi_check_system(btusb_needs_reset_resume_table))
3570 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
3571 }
3572
3573 static int btusb_probe(struct usb_interface *intf,
3574 const struct usb_device_id *id)
3575 {
3576 struct usb_endpoint_descriptor *ep_desc;
3577 struct gpio_desc *reset_gpio;
3578 struct btusb_data *data;
3579 struct hci_dev *hdev;
3580 unsigned ifnum_base;
3581 int i, err;
3582
3583 BT_DBG("intf %p id %p", intf, id);
3584
3585
3586 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
3587 if (!(id->driver_info & BTUSB_IFNUM_2))
3588 return -ENODEV;
3589 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
3590 return -ENODEV;
3591 }
3592
3593 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
3594
3595 if (!id->driver_info) {
3596 const struct usb_device_id *match;
3597
3598 match = usb_match_id(intf, blacklist_table);
3599 if (match)
3600 id = match;
3601 }
3602
3603 if (id->driver_info == BTUSB_IGNORE)
3604 return -ENODEV;
3605
3606 if (id->driver_info & BTUSB_ATH3012) {
3607 struct usb_device *udev = interface_to_usbdev(intf);
3608
3609
3610
3611
3612 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
3613 !btusb_qca_need_patch(udev))
3614 return -ENODEV;
3615 }
3616
3617 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
3618 if (!data)
3619 return -ENOMEM;
3620
3621 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3622 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3623
3624 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
3625 data->intr_ep = ep_desc;
3626 continue;
3627 }
3628
3629 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
3630 data->bulk_tx_ep = ep_desc;
3631 continue;
3632 }
3633
3634 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
3635 data->bulk_rx_ep = ep_desc;
3636 continue;
3637 }
3638 }
3639
3640 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
3641 return -ENODEV;
3642
3643 if (id->driver_info & BTUSB_AMP) {
3644 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
3645 data->cmdreq = 0x2b;
3646 } else {
3647 data->cmdreq_type = USB_TYPE_CLASS;
3648 data->cmdreq = 0x00;
3649 }
3650
3651 data->udev = interface_to_usbdev(intf);
3652 data->intf = intf;
3653
3654 INIT_WORK(&data->work, btusb_work);
3655 INIT_WORK(&data->waker, btusb_waker);
3656 init_usb_anchor(&data->deferred);
3657 init_usb_anchor(&data->tx_anchor);
3658 spin_lock_init(&data->txlock);
3659
3660 init_usb_anchor(&data->intr_anchor);
3661 init_usb_anchor(&data->bulk_anchor);
3662 init_usb_anchor(&data->isoc_anchor);
3663 init_usb_anchor(&data->diag_anchor);
3664 init_usb_anchor(&data->ctrl_anchor);
3665 spin_lock_init(&data->rxlock);
3666
3667 if (id->driver_info & BTUSB_INTEL_NEW) {
3668 data->recv_event = btusb_recv_event_intel;
3669 data->recv_bulk = btusb_recv_bulk_intel;
3670 set_bit(BTUSB_BOOTLOADER, &data->flags);
3671 } else {
3672 data->recv_event = hci_recv_frame;
3673 data->recv_bulk = btusb_recv_bulk;
3674 }
3675
3676 hdev = hci_alloc_dev();
3677 if (!hdev)
3678 return -ENOMEM;
3679
3680 hdev->bus = HCI_USB;
3681 hci_set_drvdata(hdev, data);
3682
3683 if (id->driver_info & BTUSB_AMP)
3684 hdev->dev_type = HCI_AMP;
3685 else
3686 hdev->dev_type = HCI_PRIMARY;
3687
3688 data->hdev = hdev;
3689
3690 SET_HCIDEV_DEV(hdev, &intf->dev);
3691
3692 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset",
3693 GPIOD_OUT_LOW);
3694 if (IS_ERR(reset_gpio)) {
3695 err = PTR_ERR(reset_gpio);
3696 goto out_free_dev;
3697 } else if (reset_gpio) {
3698 data->reset_gpio = reset_gpio;
3699 }
3700
3701 hdev->open = btusb_open;
3702 hdev->close = btusb_close;
3703 hdev->flush = btusb_flush;
3704 hdev->send = btusb_send_frame;
3705 hdev->notify = btusb_notify;
3706
3707 #ifdef CONFIG_PM
3708 err = btusb_config_oob_wake(hdev);
3709 if (err)
3710 goto out_free_dev;
3711
3712
3713 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
3714 err = marvell_config_oob_wake(hdev);
3715 if (err)
3716 goto out_free_dev;
3717 }
3718 #endif
3719 if (id->driver_info & BTUSB_CW6622)
3720 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3721
3722 if (id->driver_info & BTUSB_BCM2045)
3723 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3724
3725 if (id->driver_info & BTUSB_BCM92035)
3726 hdev->setup = btusb_setup_bcm92035;
3727
3728 #ifdef CONFIG_BT_HCIBTUSB_BCM
3729 if (id->driver_info & BTUSB_BCM_PATCHRAM) {
3730 hdev->manufacturer = 15;
3731 hdev->setup = btbcm_setup_patchram;
3732 hdev->set_diag = btusb_bcm_set_diag;
3733 hdev->set_bdaddr = btbcm_set_bdaddr;
3734
3735
3736 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
3737 }
3738
3739 if (id->driver_info & BTUSB_BCM_APPLE) {
3740 hdev->manufacturer = 15;
3741 hdev->setup = btbcm_setup_apple;
3742 hdev->set_diag = btusb_bcm_set_diag;
3743
3744
3745 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
3746 }
3747 #endif
3748
3749 if (id->driver_info & BTUSB_INTEL) {
3750 hdev->manufacturer = 2;
3751 hdev->setup = btusb_setup_intel;
3752 hdev->shutdown = btusb_shutdown_intel;
3753 hdev->set_diag = btintel_set_diag_mfg;
3754 hdev->set_bdaddr = btintel_set_bdaddr;
3755 hdev->cmd_timeout = btusb_intel_cmd_timeout;
3756 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3757 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3758 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
3759 }
3760
3761 if (id->driver_info & BTUSB_INTEL_NEW) {
3762 hdev->manufacturer = 2;
3763 hdev->send = btusb_send_frame_intel;
3764 hdev->setup = btusb_setup_intel_new;
3765 hdev->shutdown = btusb_shutdown_intel_new;
3766 hdev->hw_error = btintel_hw_error;
3767 hdev->set_diag = btintel_set_diag;
3768 hdev->set_bdaddr = btintel_set_bdaddr;
3769 hdev->cmd_timeout = btusb_intel_cmd_timeout;
3770 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3771 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3772 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
3773 }
3774
3775 if (id->driver_info & BTUSB_MARVELL)
3776 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
3777
3778 #ifdef CONFIG_BT_HCIBTUSB_MTK
3779 if (id->driver_info & BTUSB_MEDIATEK) {
3780 hdev->setup = btusb_mtk_setup;
3781 hdev->shutdown = btusb_mtk_shutdown;
3782 hdev->manufacturer = 70;
3783 set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
3784 }
3785 #endif
3786
3787 if (id->driver_info & BTUSB_SWAVE) {
3788 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
3789 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
3790 }
3791
3792 if (id->driver_info & BTUSB_INTEL_BOOT) {
3793 hdev->manufacturer = 2;
3794 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
3795 }
3796
3797 if (id->driver_info & BTUSB_ATH3012) {
3798 data->setup_on_usb = btusb_setup_qca;
3799 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3800 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3801 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3802 }
3803
3804 if (id->driver_info & BTUSB_QCA_ROME) {
3805 data->setup_on_usb = btusb_setup_qca;
3806 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3807 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3808 btusb_check_needs_reset_resume(intf);
3809 }
3810
3811 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) &&
3812 (id->driver_info & BTUSB_REALTEK)) {
3813 hdev->setup = btrtl_setup_realtek;
3814 hdev->shutdown = btrtl_shutdown_realtek;
3815 hdev->cmd_timeout = btusb_rtl_cmd_timeout;
3816
3817
3818
3819
3820
3821 set_bit(BTUSB_WAKEUP_DISABLE, &data->flags);
3822
3823 err = usb_autopm_get_interface(intf);
3824 if (err < 0)
3825 goto out_free_dev;
3826 }
3827
3828 if (id->driver_info & BTUSB_AMP) {
3829
3830 data->isoc = NULL;
3831 } else {
3832
3833 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
3834 data->isoc_ifnum = ifnum_base + 1;
3835 }
3836
3837 if (!reset)
3838 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
3839
3840 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
3841 if (!disable_scofix)
3842 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
3843 }
3844
3845 if (id->driver_info & BTUSB_BROKEN_ISOC)
3846 data->isoc = NULL;
3847
3848 if (id->driver_info & BTUSB_DIGIANSWER) {
3849 data->cmdreq_type = USB_TYPE_VENDOR;
3850 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
3851 }
3852
3853 if (id->driver_info & BTUSB_CSR) {
3854 struct usb_device *udev = data->udev;
3855 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
3856
3857
3858 if (bcdDevice < 0x117)
3859 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
3860
3861
3862 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
3863 hdev->setup = btusb_setup_csr;
3864
3865 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3866 }
3867
3868 if (id->driver_info & BTUSB_SNIFFER) {
3869 struct usb_device *udev = data->udev;
3870
3871
3872 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
3873 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
3874 }
3875
3876 if (id->driver_info & BTUSB_INTEL_BOOT) {
3877
3878
3879
3880 err = usb_set_interface(data->udev, 0, 0);
3881 if (err < 0) {
3882 BT_ERR("failed to set interface 0, alt 0 %d", err);
3883 goto out_free_dev;
3884 }
3885 }
3886
3887 if (data->isoc) {
3888 err = usb_driver_claim_interface(&btusb_driver,
3889 data->isoc, data);
3890 if (err < 0)
3891 goto out_free_dev;
3892 }
3893
3894 #ifdef CONFIG_BT_HCIBTUSB_BCM
3895 if (data->diag) {
3896 if (!usb_driver_claim_interface(&btusb_driver,
3897 data->diag, data))
3898 __set_diag_interface(hdev);
3899 else
3900 data->diag = NULL;
3901 }
3902 #endif
3903
3904 if (enable_autosuspend)
3905 usb_enable_autosuspend(data->udev);
3906
3907 err = hci_register_dev(hdev);
3908 if (err < 0)
3909 goto out_free_dev;
3910
3911 usb_set_intfdata(intf, data);
3912
3913 return 0;
3914
3915 out_free_dev:
3916 if (data->reset_gpio)
3917 gpiod_put(data->reset_gpio);
3918 hci_free_dev(hdev);
3919 return err;
3920 }
3921
3922 static void btusb_disconnect(struct usb_interface *intf)
3923 {
3924 struct btusb_data *data = usb_get_intfdata(intf);
3925 struct hci_dev *hdev;
3926
3927 BT_DBG("intf %p", intf);
3928
3929 if (!data)
3930 return;
3931
3932 hdev = data->hdev;
3933 usb_set_intfdata(data->intf, NULL);
3934
3935 if (data->isoc)
3936 usb_set_intfdata(data->isoc, NULL);
3937
3938 if (data->diag)
3939 usb_set_intfdata(data->diag, NULL);
3940
3941 hci_unregister_dev(hdev);
3942
3943 if (intf == data->intf) {
3944 if (data->isoc)
3945 usb_driver_release_interface(&btusb_driver, data->isoc);
3946 if (data->diag)
3947 usb_driver_release_interface(&btusb_driver, data->diag);
3948 } else if (intf == data->isoc) {
3949 if (data->diag)
3950 usb_driver_release_interface(&btusb_driver, data->diag);
3951 usb_driver_release_interface(&btusb_driver, data->intf);
3952 } else if (intf == data->diag) {
3953 usb_driver_release_interface(&btusb_driver, data->intf);
3954 if (data->isoc)
3955 usb_driver_release_interface(&btusb_driver, data->isoc);
3956 }
3957
3958 if (data->oob_wake_irq)
3959 device_init_wakeup(&data->udev->dev, false);
3960
3961 if (data->reset_gpio)
3962 gpiod_put(data->reset_gpio);
3963
3964 hci_free_dev(hdev);
3965 }
3966
3967 #ifdef CONFIG_PM
3968 static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
3969 {
3970 struct btusb_data *data = usb_get_intfdata(intf);
3971
3972 BT_DBG("intf %p", intf);
3973
3974 if (data->suspend_count++)
3975 return 0;
3976
3977 spin_lock_irq(&data->txlock);
3978 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
3979 set_bit(BTUSB_SUSPENDING, &data->flags);
3980 spin_unlock_irq(&data->txlock);
3981 } else {
3982 spin_unlock_irq(&data->txlock);
3983 data->suspend_count--;
3984 return -EBUSY;
3985 }
3986
3987 cancel_work_sync(&data->work);
3988
3989 btusb_stop_traffic(data);
3990 usb_kill_anchored_urbs(&data->tx_anchor);
3991
3992 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
3993 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
3994 enable_irq_wake(data->oob_wake_irq);
3995 enable_irq(data->oob_wake_irq);
3996 }
3997
3998
3999
4000
4001
4002
4003 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) {
4004 if (PMSG_IS_AUTO(message) &&
4005 device_can_wakeup(&data->udev->dev))
4006 data->udev->do_remote_wakeup = 1;
4007 else if (!PMSG_IS_AUTO(message))
4008 data->udev->reset_resume = 1;
4009 }
4010
4011 return 0;
4012 }
4013
4014 static void play_deferred(struct btusb_data *data)
4015 {
4016 struct urb *urb;
4017 int err;
4018
4019 while ((urb = usb_get_from_anchor(&data->deferred))) {
4020 usb_anchor_urb(urb, &data->tx_anchor);
4021
4022 err = usb_submit_urb(urb, GFP_ATOMIC);
4023 if (err < 0) {
4024 if (err != -EPERM && err != -ENODEV)
4025 BT_ERR("%s urb %p submission failed (%d)",
4026 data->hdev->name, urb, -err);
4027 kfree(urb->setup_packet);
4028 usb_unanchor_urb(urb);
4029 usb_free_urb(urb);
4030 break;
4031 }
4032
4033 data->tx_in_flight++;
4034 usb_free_urb(urb);
4035 }
4036
4037
4038 while ((urb = usb_get_from_anchor(&data->deferred))) {
4039 kfree(urb->setup_packet);
4040 usb_free_urb(urb);
4041 }
4042 }
4043
4044 static int btusb_resume(struct usb_interface *intf)
4045 {
4046 struct btusb_data *data = usb_get_intfdata(intf);
4047 struct hci_dev *hdev = data->hdev;
4048 int err = 0;
4049
4050 BT_DBG("intf %p", intf);
4051
4052 if (--data->suspend_count)
4053 return 0;
4054
4055
4056 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
4057 disable_irq(data->oob_wake_irq);
4058 disable_irq_wake(data->oob_wake_irq);
4059 }
4060
4061 if (!test_bit(HCI_RUNNING, &hdev->flags))
4062 goto done;
4063
4064 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
4065 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
4066 if (err < 0) {
4067 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
4068 goto failed;
4069 }
4070 }
4071
4072 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
4073 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
4074 if (err < 0) {
4075 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
4076 goto failed;
4077 }
4078
4079 btusb_submit_bulk_urb(hdev, GFP_NOIO);
4080 }
4081
4082 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
4083 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
4084 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
4085 else
4086 btusb_submit_isoc_urb(hdev, GFP_NOIO);
4087 }
4088
4089 spin_lock_irq(&data->txlock);
4090 play_deferred(data);
4091 clear_bit(BTUSB_SUSPENDING, &data->flags);
4092 spin_unlock_irq(&data->txlock);
4093 schedule_work(&data->work);
4094
4095 return 0;
4096
4097 failed:
4098 usb_scuttle_anchored_urbs(&data->deferred);
4099 done:
4100 spin_lock_irq(&data->txlock);
4101 clear_bit(BTUSB_SUSPENDING, &data->flags);
4102 spin_unlock_irq(&data->txlock);
4103
4104 return err;
4105 }
4106 #endif
4107
4108 static struct usb_driver btusb_driver = {
4109 .name = "btusb",
4110 .probe = btusb_probe,
4111 .disconnect = btusb_disconnect,
4112 #ifdef CONFIG_PM
4113 .suspend = btusb_suspend,
4114 .resume = btusb_resume,
4115 #endif
4116 .id_table = btusb_table,
4117 .supports_autosuspend = 1,
4118 .disable_hub_initiated_lpm = 1,
4119 };
4120
4121 module_usb_driver(btusb_driver);
4122
4123 module_param(disable_scofix, bool, 0644);
4124 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
4125
4126 module_param(force_scofix, bool, 0644);
4127 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
4128
4129 module_param(enable_autosuspend, bool, 0644);
4130 MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
4131
4132 module_param(reset, bool, 0644);
4133 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
4134
4135 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
4136 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
4137 MODULE_VERSION(VERSION);
4138 MODULE_LICENSE("GPL");