1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * |
4 | * Generic Bluetooth USB driver |
5 | * |
6 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
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 <linux/debugfs.h> |
20 | #include <asm/unaligned.h> |
21 | |
22 | #include <net/bluetooth/bluetooth.h> |
23 | #include <net/bluetooth/hci_core.h> |
24 | |
25 | #include "btintel.h" |
26 | #include "btbcm.h" |
27 | #include "btrtl.h" |
28 | #include "btmtk.h" |
29 | |
30 | #define VERSION "0.8" |
31 | |
32 | static bool disable_scofix; |
33 | static bool force_scofix; |
34 | static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND); |
35 | static bool enable_poll_sync = IS_ENABLED(CONFIG_BT_HCIBTUSB_POLL_SYNC); |
36 | static bool reset = true; |
37 | |
38 | static struct usb_driver btusb_driver; |
39 | |
40 | #define BTUSB_IGNORE BIT(0) |
41 | #define BTUSB_DIGIANSWER BIT(1) |
42 | #define BTUSB_CSR BIT(2) |
43 | #define BTUSB_SNIFFER BIT(3) |
44 | #define BTUSB_BCM92035 BIT(4) |
45 | #define BTUSB_BROKEN_ISOC BIT(5) |
46 | #define BTUSB_WRONG_SCO_MTU BIT(6) |
47 | #define BTUSB_ATH3012 BIT(7) |
48 | #define BTUSB_INTEL_COMBINED BIT(8) |
49 | #define BTUSB_INTEL_BOOT BIT(9) |
50 | #define BTUSB_BCM_PATCHRAM BIT(10) |
51 | #define BTUSB_MARVELL BIT(11) |
52 | #define BTUSB_SWAVE BIT(12) |
53 | #define BTUSB_AMP BIT(13) |
54 | #define BTUSB_QCA_ROME BIT(14) |
55 | #define BTUSB_BCM_APPLE BIT(15) |
56 | #define BTUSB_REALTEK BIT(16) |
57 | #define BTUSB_BCM2045 BIT(17) |
58 | #define BTUSB_IFNUM_2 BIT(18) |
59 | #define BTUSB_CW6622 BIT(19) |
60 | #define BTUSB_MEDIATEK BIT(20) |
61 | #define BTUSB_WIDEBAND_SPEECH BIT(21) |
62 | #define BTUSB_VALID_LE_STATES BIT(22) |
63 | #define BTUSB_QCA_WCN6855 BIT(23) |
64 | #define BTUSB_INTEL_BROKEN_SHUTDOWN_LED BIT(24) |
65 | #define BTUSB_INTEL_BROKEN_INITIAL_NCMD BIT(25) |
66 | #define BTUSB_INTEL_NO_WBS_SUPPORT BIT(26) |
67 | #define BTUSB_ACTIONS_SEMI BIT(27) |
68 | |
69 | static const struct usb_device_id btusb_table[] = { |
70 | /* Generic Bluetooth USB device */ |
71 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, |
72 | |
73 | /* Generic Bluetooth AMP device */ |
74 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, |
75 | |
76 | /* Generic Bluetooth USB interface */ |
77 | { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) }, |
78 | |
79 | /* Apple-specific (Broadcom) devices */ |
80 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), |
81 | .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 }, |
82 | |
83 | /* MediaTek MT76x0E */ |
84 | { USB_DEVICE(0x0e8d, 0x763f) }, |
85 | |
86 | /* Broadcom SoftSailing reporting vendor specific */ |
87 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
88 | |
89 | /* Apple MacBookPro 7,1 */ |
90 | { USB_DEVICE(0x05ac, 0x8213) }, |
91 | |
92 | /* Apple iMac11,1 */ |
93 | { USB_DEVICE(0x05ac, 0x8215) }, |
94 | |
95 | /* Apple MacBookPro6,2 */ |
96 | { USB_DEVICE(0x05ac, 0x8218) }, |
97 | |
98 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
99 | { USB_DEVICE(0x05ac, 0x821b) }, |
100 | |
101 | /* Apple MacBookAir4,1 */ |
102 | { USB_DEVICE(0x05ac, 0x821f) }, |
103 | |
104 | /* Apple MacBookPro8,2 */ |
105 | { USB_DEVICE(0x05ac, 0x821a) }, |
106 | |
107 | /* Apple MacMini5,1 */ |
108 | { USB_DEVICE(0x05ac, 0x8281) }, |
109 | |
110 | /* AVM BlueFRITZ! USB v2.0 */ |
111 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
112 | |
113 | /* Bluetooth Ultraport Module from IBM */ |
114 | { USB_DEVICE(0x04bf, 0x030a) }, |
115 | |
116 | /* ALPS Modules with non-standard id */ |
117 | { USB_DEVICE(0x044e, 0x3001) }, |
118 | { USB_DEVICE(0x044e, 0x3002) }, |
119 | |
120 | /* Ericsson with non-standard id */ |
121 | { USB_DEVICE(0x0bdb, 0x1002) }, |
122 | |
123 | /* Canyon CN-BTU1 with HID interfaces */ |
124 | { USB_DEVICE(0x0c10, 0x0000) }, |
125 | |
126 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
127 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, |
128 | |
129 | /* Broadcom BCM43142A0 (Foxconn/Lenovo) */ |
130 | { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01), |
131 | .driver_info = BTUSB_BCM_PATCHRAM }, |
132 | |
133 | /* Broadcom BCM920703 (HTC Vive) */ |
134 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01), |
135 | .driver_info = BTUSB_BCM_PATCHRAM }, |
136 | |
137 | /* Foxconn - Hon Hai */ |
138 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
139 | .driver_info = BTUSB_BCM_PATCHRAM }, |
140 | |
141 | /* Lite-On Technology - Broadcom based */ |
142 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), |
143 | .driver_info = BTUSB_BCM_PATCHRAM }, |
144 | |
145 | /* Broadcom devices with vendor specific id */ |
146 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
147 | .driver_info = BTUSB_BCM_PATCHRAM }, |
148 | |
149 | /* ASUSTek Computer - Broadcom based */ |
150 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
151 | .driver_info = BTUSB_BCM_PATCHRAM }, |
152 | |
153 | /* Belkin F8065bf - Broadcom based */ |
154 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), |
155 | .driver_info = BTUSB_BCM_PATCHRAM }, |
156 | |
157 | /* IMC Networks - Broadcom based */ |
158 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), |
159 | .driver_info = BTUSB_BCM_PATCHRAM }, |
160 | |
161 | /* Dell Computer - Broadcom based */ |
162 | { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01), |
163 | .driver_info = BTUSB_BCM_PATCHRAM }, |
164 | |
165 | /* Toshiba Corp - Broadcom based */ |
166 | { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01), |
167 | .driver_info = BTUSB_BCM_PATCHRAM }, |
168 | |
169 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
170 | { USB_DEVICE(0x8087, 0x0a5a), |
171 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, |
172 | |
173 | { } /* Terminating entry */ |
174 | }; |
175 | |
176 | MODULE_DEVICE_TABLE(usb, btusb_table); |
177 | |
178 | static const struct usb_device_id quirks_table[] = { |
179 | /* CSR BlueCore devices */ |
180 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, |
181 | |
182 | /* Broadcom BCM2033 without firmware */ |
183 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, |
184 | |
185 | /* Broadcom BCM2045 devices */ |
186 | { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 }, |
187 | |
188 | /* Atheros 3011 with sflash firmware */ |
189 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
190 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
191 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, |
192 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
193 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
194 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
195 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
196 | |
197 | /* Atheros AR9285 Malbec with sflash firmware */ |
198 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, |
199 | |
200 | /* Atheros 3012 with sflash firmware */ |
201 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
202 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
203 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
204 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
205 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, |
206 | { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, |
207 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
208 | { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, |
209 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
210 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
211 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
212 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
213 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
214 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
215 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, |
216 | { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, |
217 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, |
218 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
219 | { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, |
220 | { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, |
221 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
222 | { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, |
223 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
224 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
225 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
226 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
227 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
228 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
229 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
230 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
231 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
232 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
233 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
234 | { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, |
235 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
236 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
237 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
238 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, |
239 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
240 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
241 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
242 | { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, |
243 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
244 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
245 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
246 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
247 | { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, |
248 | { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, |
249 | { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, |
250 | { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, |
251 | |
252 | /* Atheros AR5BBU12 with sflash firmware */ |
253 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, |
254 | |
255 | /* Atheros AR5BBU12 with sflash firmware */ |
256 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
257 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
258 | |
259 | /* QCA ROME chipset */ |
260 | { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME | |
261 | BTUSB_WIDEBAND_SPEECH }, |
262 | { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME | |
263 | BTUSB_WIDEBAND_SPEECH }, |
264 | { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME | |
265 | BTUSB_WIDEBAND_SPEECH }, |
266 | { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME | |
267 | BTUSB_WIDEBAND_SPEECH }, |
268 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME | |
269 | BTUSB_WIDEBAND_SPEECH }, |
270 | { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME | |
271 | BTUSB_WIDEBAND_SPEECH }, |
272 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME | |
273 | BTUSB_WIDEBAND_SPEECH }, |
274 | { USB_DEVICE(0x0cf3, 0xe500), .driver_info = BTUSB_QCA_ROME | |
275 | BTUSB_WIDEBAND_SPEECH }, |
276 | { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME | |
277 | BTUSB_WIDEBAND_SPEECH }, |
278 | { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME | |
279 | BTUSB_WIDEBAND_SPEECH }, |
280 | { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME | |
281 | BTUSB_WIDEBAND_SPEECH }, |
282 | { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME | |
283 | BTUSB_WIDEBAND_SPEECH }, |
284 | { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME | |
285 | BTUSB_WIDEBAND_SPEECH }, |
286 | { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME | |
287 | BTUSB_WIDEBAND_SPEECH }, |
288 | { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME | |
289 | BTUSB_WIDEBAND_SPEECH }, |
290 | { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME | |
291 | BTUSB_WIDEBAND_SPEECH }, |
292 | { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME | |
293 | BTUSB_WIDEBAND_SPEECH }, |
294 | { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME | |
295 | BTUSB_WIDEBAND_SPEECH }, |
296 | { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME | |
297 | BTUSB_WIDEBAND_SPEECH }, |
298 | |
299 | /* QCA WCN6855 chipset */ |
300 | { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | |
301 | BTUSB_WIDEBAND_SPEECH | |
302 | BTUSB_VALID_LE_STATES }, |
303 | { USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 | |
304 | BTUSB_WIDEBAND_SPEECH | |
305 | BTUSB_VALID_LE_STATES }, |
306 | { USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 | |
307 | BTUSB_WIDEBAND_SPEECH | |
308 | BTUSB_VALID_LE_STATES }, |
309 | { USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 | |
310 | BTUSB_WIDEBAND_SPEECH | |
311 | BTUSB_VALID_LE_STATES }, |
312 | { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 | |
313 | BTUSB_WIDEBAND_SPEECH | |
314 | BTUSB_VALID_LE_STATES }, |
315 | { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 | |
316 | BTUSB_WIDEBAND_SPEECH | |
317 | BTUSB_VALID_LE_STATES }, |
318 | { USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 | |
319 | BTUSB_WIDEBAND_SPEECH | |
320 | BTUSB_VALID_LE_STATES }, |
321 | { USB_DEVICE(0x10ab, 0x9108), .driver_info = BTUSB_QCA_WCN6855 | |
322 | BTUSB_WIDEBAND_SPEECH | |
323 | BTUSB_VALID_LE_STATES }, |
324 | { USB_DEVICE(0x10ab, 0x9109), .driver_info = BTUSB_QCA_WCN6855 | |
325 | BTUSB_WIDEBAND_SPEECH | |
326 | BTUSB_VALID_LE_STATES }, |
327 | { USB_DEVICE(0x10ab, 0x9208), .driver_info = BTUSB_QCA_WCN6855 | |
328 | BTUSB_WIDEBAND_SPEECH | |
329 | BTUSB_VALID_LE_STATES }, |
330 | { USB_DEVICE(0x10ab, 0x9209), .driver_info = BTUSB_QCA_WCN6855 | |
331 | BTUSB_WIDEBAND_SPEECH | |
332 | BTUSB_VALID_LE_STATES }, |
333 | { USB_DEVICE(0x10ab, 0x9308), .driver_info = BTUSB_QCA_WCN6855 | |
334 | BTUSB_WIDEBAND_SPEECH | |
335 | BTUSB_VALID_LE_STATES }, |
336 | { USB_DEVICE(0x10ab, 0x9408), .driver_info = BTUSB_QCA_WCN6855 | |
337 | BTUSB_WIDEBAND_SPEECH | |
338 | BTUSB_VALID_LE_STATES }, |
339 | { USB_DEVICE(0x10ab, 0x9508), .driver_info = BTUSB_QCA_WCN6855 | |
340 | BTUSB_WIDEBAND_SPEECH | |
341 | BTUSB_VALID_LE_STATES }, |
342 | { USB_DEVICE(0x10ab, 0x9509), .driver_info = BTUSB_QCA_WCN6855 | |
343 | BTUSB_WIDEBAND_SPEECH | |
344 | BTUSB_VALID_LE_STATES }, |
345 | { USB_DEVICE(0x10ab, 0x9608), .driver_info = BTUSB_QCA_WCN6855 | |
346 | BTUSB_WIDEBAND_SPEECH | |
347 | BTUSB_VALID_LE_STATES }, |
348 | { USB_DEVICE(0x10ab, 0x9609), .driver_info = BTUSB_QCA_WCN6855 | |
349 | BTUSB_WIDEBAND_SPEECH | |
350 | BTUSB_VALID_LE_STATES }, |
351 | { USB_DEVICE(0x10ab, 0x9f09), .driver_info = BTUSB_QCA_WCN6855 | |
352 | BTUSB_WIDEBAND_SPEECH | |
353 | BTUSB_VALID_LE_STATES }, |
354 | { USB_DEVICE(0x04ca, 0x3022), .driver_info = BTUSB_QCA_WCN6855 | |
355 | BTUSB_WIDEBAND_SPEECH | |
356 | BTUSB_VALID_LE_STATES }, |
357 | { USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 | |
358 | BTUSB_WIDEBAND_SPEECH | |
359 | BTUSB_VALID_LE_STATES }, |
360 | { USB_DEVICE(0x0489, 0xe0c9), .driver_info = BTUSB_QCA_WCN6855 | |
361 | BTUSB_WIDEBAND_SPEECH | |
362 | BTUSB_VALID_LE_STATES }, |
363 | { USB_DEVICE(0x0489, 0xe0ca), .driver_info = BTUSB_QCA_WCN6855 | |
364 | BTUSB_WIDEBAND_SPEECH | |
365 | BTUSB_VALID_LE_STATES }, |
366 | { USB_DEVICE(0x0489, 0xe0cb), .driver_info = BTUSB_QCA_WCN6855 | |
367 | BTUSB_WIDEBAND_SPEECH | |
368 | BTUSB_VALID_LE_STATES }, |
369 | { USB_DEVICE(0x0489, 0xe0ce), .driver_info = BTUSB_QCA_WCN6855 | |
370 | BTUSB_WIDEBAND_SPEECH | |
371 | BTUSB_VALID_LE_STATES }, |
372 | { USB_DEVICE(0x0489, 0xe0de), .driver_info = BTUSB_QCA_WCN6855 | |
373 | BTUSB_WIDEBAND_SPEECH | |
374 | BTUSB_VALID_LE_STATES }, |
375 | { USB_DEVICE(0x0489, 0xe0df), .driver_info = BTUSB_QCA_WCN6855 | |
376 | BTUSB_WIDEBAND_SPEECH | |
377 | BTUSB_VALID_LE_STATES }, |
378 | { USB_DEVICE(0x0489, 0xe0e1), .driver_info = BTUSB_QCA_WCN6855 | |
379 | BTUSB_WIDEBAND_SPEECH | |
380 | BTUSB_VALID_LE_STATES }, |
381 | { USB_DEVICE(0x0489, 0xe0ea), .driver_info = BTUSB_QCA_WCN6855 | |
382 | BTUSB_WIDEBAND_SPEECH | |
383 | BTUSB_VALID_LE_STATES }, |
384 | { USB_DEVICE(0x0489, 0xe0ec), .driver_info = BTUSB_QCA_WCN6855 | |
385 | BTUSB_WIDEBAND_SPEECH | |
386 | BTUSB_VALID_LE_STATES }, |
387 | { USB_DEVICE(0x04ca, 0x3023), .driver_info = BTUSB_QCA_WCN6855 | |
388 | BTUSB_WIDEBAND_SPEECH | |
389 | BTUSB_VALID_LE_STATES }, |
390 | { USB_DEVICE(0x04ca, 0x3024), .driver_info = BTUSB_QCA_WCN6855 | |
391 | BTUSB_WIDEBAND_SPEECH | |
392 | BTUSB_VALID_LE_STATES }, |
393 | { USB_DEVICE(0x04ca, 0x3a22), .driver_info = BTUSB_QCA_WCN6855 | |
394 | BTUSB_WIDEBAND_SPEECH | |
395 | BTUSB_VALID_LE_STATES }, |
396 | { USB_DEVICE(0x04ca, 0x3a24), .driver_info = BTUSB_QCA_WCN6855 | |
397 | BTUSB_WIDEBAND_SPEECH | |
398 | BTUSB_VALID_LE_STATES }, |
399 | { USB_DEVICE(0x04ca, 0x3a26), .driver_info = BTUSB_QCA_WCN6855 | |
400 | BTUSB_WIDEBAND_SPEECH | |
401 | BTUSB_VALID_LE_STATES }, |
402 | { USB_DEVICE(0x04ca, 0x3a27), .driver_info = BTUSB_QCA_WCN6855 | |
403 | BTUSB_WIDEBAND_SPEECH | |
404 | BTUSB_VALID_LE_STATES }, |
405 | |
406 | /* QCA WCN785x chipset */ |
407 | { USB_DEVICE(0x0cf3, 0xe700), .driver_info = BTUSB_QCA_WCN6855 | |
408 | BTUSB_WIDEBAND_SPEECH | |
409 | BTUSB_VALID_LE_STATES }, |
410 | |
411 | /* Broadcom BCM2035 */ |
412 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
413 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
414 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
415 | |
416 | /* Broadcom BCM2045 */ |
417 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
418 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, |
419 | |
420 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
421 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
422 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, |
423 | |
424 | /* HP laptop with Broadcom chip */ |
425 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
426 | |
427 | /* Dell laptop with Broadcom chip */ |
428 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
429 | |
430 | /* Dell Wireless 370 and 410 devices */ |
431 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
432 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
433 | |
434 | /* Belkin F8T012 and F8T013 devices */ |
435 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, |
436 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, |
437 | |
438 | /* Asus WL-BTD202 device */ |
439 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, |
440 | |
441 | /* Kensington Bluetooth USB adapter */ |
442 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
443 | |
444 | /* RTX Telecom based adapters with buggy SCO support */ |
445 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, |
446 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, |
447 | |
448 | /* CONWISE Technology based adapters with buggy SCO support */ |
449 | { USB_DEVICE(0x0e5e, 0x6622), |
450 | .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622}, |
451 | |
452 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
453 | { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, |
454 | |
455 | /* Digianswer devices */ |
456 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, |
457 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, |
458 | |
459 | /* CSR BlueCore Bluetooth Sniffer */ |
460 | { USB_DEVICE(0x0a12, 0x0002), |
461 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, |
462 | |
463 | /* Frontline ComProbe Bluetooth Sniffer */ |
464 | { USB_DEVICE(0x16d3, 0x0002), |
465 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, |
466 | |
467 | /* Marvell Bluetooth devices */ |
468 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, |
469 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, |
470 | { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, |
471 | |
472 | /* Intel Bluetooth devices */ |
473 | { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_COMBINED }, |
474 | { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_COMBINED }, |
475 | { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_COMBINED }, |
476 | { USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_COMBINED }, |
477 | { USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_COMBINED }, |
478 | { USB_DEVICE(0x8087, 0x0035), .driver_info = BTUSB_INTEL_COMBINED }, |
479 | { USB_DEVICE(0x8087, 0x0036), .driver_info = BTUSB_INTEL_COMBINED }, |
480 | { USB_DEVICE(0x8087, 0x0038), .driver_info = BTUSB_INTEL_COMBINED }, |
481 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, |
482 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL_COMBINED | |
483 | BTUSB_INTEL_NO_WBS_SUPPORT | |
484 | BTUSB_INTEL_BROKEN_INITIAL_NCMD | |
485 | BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, |
486 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL_COMBINED | |
487 | BTUSB_INTEL_NO_WBS_SUPPORT | |
488 | BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, |
489 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_COMBINED }, |
490 | { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL_COMBINED | |
491 | BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, |
492 | { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_COMBINED }, |
493 | |
494 | /* Other Intel Bluetooth devices */ |
495 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), |
496 | .driver_info = BTUSB_IGNORE }, |
497 | |
498 | /* Realtek 8821CE Bluetooth devices */ |
499 | { USB_DEVICE(0x13d3, 0x3529), .driver_info = BTUSB_REALTEK | |
500 | BTUSB_WIDEBAND_SPEECH }, |
501 | |
502 | /* Realtek 8822CE Bluetooth devices */ |
503 | { USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK | |
504 | BTUSB_WIDEBAND_SPEECH }, |
505 | { USB_DEVICE(0x0bda, 0xc822), .driver_info = BTUSB_REALTEK | |
506 | BTUSB_WIDEBAND_SPEECH }, |
507 | |
508 | /* Realtek 8822CU Bluetooth devices */ |
509 | { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | |
510 | BTUSB_WIDEBAND_SPEECH }, |
511 | |
512 | /* Realtek 8852AE Bluetooth devices */ |
513 | { USB_DEVICE(0x0bda, 0x2852), .driver_info = BTUSB_REALTEK | |
514 | BTUSB_WIDEBAND_SPEECH }, |
515 | { USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK | |
516 | BTUSB_WIDEBAND_SPEECH }, |
517 | { USB_DEVICE(0x0bda, 0x385a), .driver_info = BTUSB_REALTEK | |
518 | BTUSB_WIDEBAND_SPEECH }, |
519 | { USB_DEVICE(0x0bda, 0x4852), .driver_info = BTUSB_REALTEK | |
520 | BTUSB_WIDEBAND_SPEECH }, |
521 | { USB_DEVICE(0x04c5, 0x165c), .driver_info = BTUSB_REALTEK | |
522 | BTUSB_WIDEBAND_SPEECH }, |
523 | { USB_DEVICE(0x04ca, 0x4006), .driver_info = BTUSB_REALTEK | |
524 | BTUSB_WIDEBAND_SPEECH }, |
525 | { USB_DEVICE(0x0cb8, 0xc549), .driver_info = BTUSB_REALTEK | |
526 | BTUSB_WIDEBAND_SPEECH }, |
527 | |
528 | /* Realtek 8852CE Bluetooth devices */ |
529 | { USB_DEVICE(0x04ca, 0x4007), .driver_info = BTUSB_REALTEK | |
530 | BTUSB_WIDEBAND_SPEECH }, |
531 | { USB_DEVICE(0x04c5, 0x1675), .driver_info = BTUSB_REALTEK | |
532 | BTUSB_WIDEBAND_SPEECH }, |
533 | { USB_DEVICE(0x0cb8, 0xc558), .driver_info = BTUSB_REALTEK | |
534 | BTUSB_WIDEBAND_SPEECH }, |
535 | { USB_DEVICE(0x13d3, 0x3587), .driver_info = BTUSB_REALTEK | |
536 | BTUSB_WIDEBAND_SPEECH }, |
537 | { USB_DEVICE(0x13d3, 0x3586), .driver_info = BTUSB_REALTEK | |
538 | BTUSB_WIDEBAND_SPEECH }, |
539 | { USB_DEVICE(0x13d3, 0x3592), .driver_info = BTUSB_REALTEK | |
540 | BTUSB_WIDEBAND_SPEECH }, |
541 | |
542 | /* Realtek 8852BE Bluetooth devices */ |
543 | { USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK | |
544 | BTUSB_WIDEBAND_SPEECH }, |
545 | { USB_DEVICE(0x0bda, 0x887b), .driver_info = BTUSB_REALTEK | |
546 | BTUSB_WIDEBAND_SPEECH }, |
547 | { USB_DEVICE(0x0bda, 0xb85b), .driver_info = BTUSB_REALTEK | |
548 | BTUSB_WIDEBAND_SPEECH }, |
549 | { USB_DEVICE(0x13d3, 0x3570), .driver_info = BTUSB_REALTEK | |
550 | BTUSB_WIDEBAND_SPEECH }, |
551 | { USB_DEVICE(0x13d3, 0x3571), .driver_info = BTUSB_REALTEK | |
552 | BTUSB_WIDEBAND_SPEECH }, |
553 | |
554 | /* Realtek Bluetooth devices */ |
555 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), |
556 | .driver_info = BTUSB_REALTEK }, |
557 | |
558 | /* MediaTek Bluetooth devices */ |
559 | { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01), |
560 | .driver_info = BTUSB_MEDIATEK | |
561 | BTUSB_WIDEBAND_SPEECH | |
562 | BTUSB_VALID_LE_STATES }, |
563 | |
564 | /* Additional MediaTek MT7615E Bluetooth devices */ |
565 | { USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK}, |
566 | |
567 | /* Additional MediaTek MT7663 Bluetooth devices */ |
568 | { USB_DEVICE(0x043e, 0x310c), .driver_info = BTUSB_MEDIATEK | |
569 | BTUSB_WIDEBAND_SPEECH | |
570 | BTUSB_VALID_LE_STATES }, |
571 | { USB_DEVICE(0x04ca, 0x3801), .driver_info = BTUSB_MEDIATEK | |
572 | BTUSB_WIDEBAND_SPEECH | |
573 | BTUSB_VALID_LE_STATES }, |
574 | |
575 | /* Additional MediaTek MT7668 Bluetooth devices */ |
576 | { USB_DEVICE(0x043e, 0x3109), .driver_info = BTUSB_MEDIATEK | |
577 | BTUSB_WIDEBAND_SPEECH | |
578 | BTUSB_VALID_LE_STATES }, |
579 | |
580 | /* Additional MediaTek MT7921 Bluetooth devices */ |
581 | { USB_DEVICE(0x0489, 0xe0c8), .driver_info = BTUSB_MEDIATEK | |
582 | BTUSB_WIDEBAND_SPEECH | |
583 | BTUSB_VALID_LE_STATES }, |
584 | { USB_DEVICE(0x0489, 0xe0e0), .driver_info = BTUSB_MEDIATEK | |
585 | BTUSB_WIDEBAND_SPEECH | |
586 | BTUSB_VALID_LE_STATES }, |
587 | { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | |
588 | BTUSB_WIDEBAND_SPEECH | |
589 | BTUSB_VALID_LE_STATES }, |
590 | { USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK | |
591 | BTUSB_WIDEBAND_SPEECH | |
592 | BTUSB_VALID_LE_STATES }, |
593 | { USB_DEVICE(0x13d3, 0x3563), .driver_info = BTUSB_MEDIATEK | |
594 | BTUSB_WIDEBAND_SPEECH | |
595 | BTUSB_VALID_LE_STATES }, |
596 | { USB_DEVICE(0x13d3, 0x3564), .driver_info = BTUSB_MEDIATEK | |
597 | BTUSB_WIDEBAND_SPEECH | |
598 | BTUSB_VALID_LE_STATES }, |
599 | { USB_DEVICE(0x13d3, 0x3567), .driver_info = BTUSB_MEDIATEK | |
600 | BTUSB_WIDEBAND_SPEECH | |
601 | BTUSB_VALID_LE_STATES }, |
602 | { USB_DEVICE(0x13d3, 0x3578), .driver_info = BTUSB_MEDIATEK | |
603 | BTUSB_WIDEBAND_SPEECH | |
604 | BTUSB_VALID_LE_STATES }, |
605 | { USB_DEVICE(0x13d3, 0x3583), .driver_info = BTUSB_MEDIATEK | |
606 | BTUSB_WIDEBAND_SPEECH | |
607 | BTUSB_VALID_LE_STATES }, |
608 | { USB_DEVICE(0x0489, 0xe0cd), .driver_info = BTUSB_MEDIATEK | |
609 | BTUSB_WIDEBAND_SPEECH | |
610 | BTUSB_VALID_LE_STATES }, |
611 | { USB_DEVICE(0x0e8d, 0x0608), .driver_info = BTUSB_MEDIATEK | |
612 | BTUSB_WIDEBAND_SPEECH | |
613 | BTUSB_VALID_LE_STATES }, |
614 | |
615 | /* MediaTek MT7922A Bluetooth devices */ |
616 | { USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK | |
617 | BTUSB_WIDEBAND_SPEECH | |
618 | BTUSB_VALID_LE_STATES }, |
619 | { USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK | |
620 | BTUSB_WIDEBAND_SPEECH | |
621 | BTUSB_VALID_LE_STATES }, |
622 | { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK | |
623 | BTUSB_WIDEBAND_SPEECH | |
624 | BTUSB_VALID_LE_STATES }, |
625 | { USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK | |
626 | BTUSB_WIDEBAND_SPEECH | |
627 | BTUSB_VALID_LE_STATES }, |
628 | { USB_DEVICE(0x0489, 0xe0e2), .driver_info = BTUSB_MEDIATEK | |
629 | BTUSB_WIDEBAND_SPEECH | |
630 | BTUSB_VALID_LE_STATES }, |
631 | { USB_DEVICE(0x0489, 0xe0e4), .driver_info = BTUSB_MEDIATEK | |
632 | BTUSB_WIDEBAND_SPEECH | |
633 | BTUSB_VALID_LE_STATES }, |
634 | { USB_DEVICE(0x0489, 0xe0f1), .driver_info = BTUSB_MEDIATEK | |
635 | BTUSB_WIDEBAND_SPEECH | |
636 | BTUSB_VALID_LE_STATES }, |
637 | { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | |
638 | BTUSB_WIDEBAND_SPEECH | |
639 | BTUSB_VALID_LE_STATES }, |
640 | { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK | |
641 | BTUSB_WIDEBAND_SPEECH | |
642 | BTUSB_VALID_LE_STATES }, |
643 | { USB_DEVICE(0x0489, 0xe0f6), .driver_info = BTUSB_MEDIATEK | |
644 | BTUSB_WIDEBAND_SPEECH | |
645 | BTUSB_VALID_LE_STATES }, |
646 | { USB_DEVICE(0x0489, 0xe102), .driver_info = BTUSB_MEDIATEK | |
647 | BTUSB_WIDEBAND_SPEECH | |
648 | BTUSB_VALID_LE_STATES }, |
649 | { USB_DEVICE(0x04ca, 0x3804), .driver_info = BTUSB_MEDIATEK | |
650 | BTUSB_WIDEBAND_SPEECH | |
651 | BTUSB_VALID_LE_STATES }, |
652 | { USB_DEVICE(0x35f5, 0x7922), .driver_info = BTUSB_MEDIATEK | |
653 | BTUSB_WIDEBAND_SPEECH | |
654 | BTUSB_VALID_LE_STATES }, |
655 | |
656 | /* Additional Realtek 8723AE Bluetooth devices */ |
657 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, |
658 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, |
659 | |
660 | /* Additional Realtek 8723BE Bluetooth devices */ |
661 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, |
662 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, |
663 | { USB_DEVICE(0x04f2, 0xb49f), .driver_info = BTUSB_REALTEK }, |
664 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, |
665 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, |
666 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, |
667 | { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK }, |
668 | |
669 | /* Additional Realtek 8723BU Bluetooth devices */ |
670 | { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK }, |
671 | |
672 | /* Additional Realtek 8723DE Bluetooth devices */ |
673 | { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK }, |
674 | { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, |
675 | |
676 | /* Additional Realtek 8761BUV Bluetooth devices */ |
677 | { USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK | |
678 | BTUSB_WIDEBAND_SPEECH }, |
679 | { USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK | |
680 | BTUSB_WIDEBAND_SPEECH }, |
681 | { USB_DEVICE(0x2550, 0x8761), .driver_info = BTUSB_REALTEK | |
682 | BTUSB_WIDEBAND_SPEECH }, |
683 | { USB_DEVICE(0x0bda, 0x8771), .driver_info = BTUSB_REALTEK | |
684 | BTUSB_WIDEBAND_SPEECH }, |
685 | { USB_DEVICE(0x6655, 0x8771), .driver_info = BTUSB_REALTEK | |
686 | BTUSB_WIDEBAND_SPEECH }, |
687 | { USB_DEVICE(0x7392, 0xc611), .driver_info = BTUSB_REALTEK | |
688 | BTUSB_WIDEBAND_SPEECH }, |
689 | { USB_DEVICE(0x2b89, 0x8761), .driver_info = BTUSB_REALTEK | |
690 | BTUSB_WIDEBAND_SPEECH }, |
691 | |
692 | /* Additional Realtek 8821AE Bluetooth devices */ |
693 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, |
694 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, |
695 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, |
696 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, |
697 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, |
698 | |
699 | /* Additional Realtek 8822BE Bluetooth devices */ |
700 | { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK }, |
701 | { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK }, |
702 | |
703 | /* Additional Realtek 8822CE Bluetooth devices */ |
704 | { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK | |
705 | BTUSB_WIDEBAND_SPEECH }, |
706 | { USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK | |
707 | BTUSB_WIDEBAND_SPEECH }, |
708 | { USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK | |
709 | BTUSB_WIDEBAND_SPEECH }, |
710 | { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK | |
711 | BTUSB_WIDEBAND_SPEECH }, |
712 | { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | |
713 | BTUSB_WIDEBAND_SPEECH }, |
714 | { USB_DEVICE(0x13d3, 0x3553), .driver_info = BTUSB_REALTEK | |
715 | BTUSB_WIDEBAND_SPEECH }, |
716 | { USB_DEVICE(0x13d3, 0x3555), .driver_info = BTUSB_REALTEK | |
717 | BTUSB_WIDEBAND_SPEECH }, |
718 | { USB_DEVICE(0x2ff8, 0x3051), .driver_info = BTUSB_REALTEK | |
719 | BTUSB_WIDEBAND_SPEECH }, |
720 | { USB_DEVICE(0x1358, 0xc123), .driver_info = BTUSB_REALTEK | |
721 | BTUSB_WIDEBAND_SPEECH }, |
722 | { USB_DEVICE(0x0bda, 0xc123), .driver_info = BTUSB_REALTEK | |
723 | BTUSB_WIDEBAND_SPEECH }, |
724 | { USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK | |
725 | BTUSB_WIDEBAND_SPEECH }, |
726 | |
727 | /* Actions Semiconductor ATS2851 based devices */ |
728 | { USB_DEVICE(0x10d7, 0xb012), .driver_info = BTUSB_ACTIONS_SEMI }, |
729 | |
730 | /* Silicon Wave based devices */ |
731 | { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, |
732 | |
733 | { } /* Terminating entry */ |
734 | }; |
735 | |
736 | /* The Bluetooth USB module build into some devices needs to be reset on resume, |
737 | * this is a problem with the platform (likely shutting off all power) not with |
738 | * the module itself. So we use a DMI list to match known broken platforms. |
739 | */ |
740 | static const struct dmi_system_id btusb_needs_reset_resume_table[] = { |
741 | { |
742 | /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ |
743 | .matches = { |
744 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc." ), |
745 | DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060" ), |
746 | }, |
747 | }, |
748 | { |
749 | /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */ |
750 | .matches = { |
751 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc." ), |
752 | DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360" ), |
753 | }, |
754 | }, |
755 | { |
756 | /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */ |
757 | .matches = { |
758 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc." ), |
759 | DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565" ), |
760 | }, |
761 | }, |
762 | {} |
763 | }; |
764 | |
765 | struct qca_dump_info { |
766 | /* fields for dump collection */ |
767 | u16 id_vendor; |
768 | u16 id_product; |
769 | u32 fw_version; |
770 | u32 controller_id; |
771 | u32 ram_dump_size; |
772 | u16 ram_dump_seqno; |
773 | }; |
774 | |
775 | #define BTUSB_MAX_ISOC_FRAMES 10 |
776 | |
777 | #define BTUSB_INTR_RUNNING 0 |
778 | #define BTUSB_BULK_RUNNING 1 |
779 | #define BTUSB_ISOC_RUNNING 2 |
780 | #define BTUSB_SUSPENDING 3 |
781 | #define BTUSB_DID_ISO_RESUME 4 |
782 | #define BTUSB_BOOTLOADER 5 |
783 | #define BTUSB_DOWNLOADING 6 |
784 | #define BTUSB_FIRMWARE_LOADED 7 |
785 | #define BTUSB_FIRMWARE_FAILED 8 |
786 | #define BTUSB_BOOTING 9 |
787 | #define BTUSB_DIAG_RUNNING 10 |
788 | #define BTUSB_OOB_WAKE_ENABLED 11 |
789 | #define BTUSB_HW_RESET_ACTIVE 12 |
790 | #define BTUSB_TX_WAIT_VND_EVT 13 |
791 | #define BTUSB_WAKEUP_AUTOSUSPEND 14 |
792 | #define BTUSB_USE_ALT3_FOR_WBS 15 |
793 | #define BTUSB_ALT6_CONTINUOUS_TX 16 |
794 | #define BTUSB_HW_SSR_ACTIVE 17 |
795 | |
796 | struct btusb_data { |
797 | struct hci_dev *hdev; |
798 | struct usb_device *udev; |
799 | struct usb_interface *intf; |
800 | struct usb_interface *isoc; |
801 | struct usb_interface *diag; |
802 | unsigned isoc_ifnum; |
803 | |
804 | unsigned long flags; |
805 | |
806 | bool poll_sync; |
807 | int intr_interval; |
808 | struct work_struct work; |
809 | struct work_struct waker; |
810 | struct delayed_work rx_work; |
811 | |
812 | struct sk_buff_head acl_q; |
813 | |
814 | struct usb_anchor deferred; |
815 | struct usb_anchor tx_anchor; |
816 | int tx_in_flight; |
817 | spinlock_t txlock; |
818 | |
819 | struct usb_anchor intr_anchor; |
820 | struct usb_anchor bulk_anchor; |
821 | struct usb_anchor isoc_anchor; |
822 | struct usb_anchor diag_anchor; |
823 | struct usb_anchor ctrl_anchor; |
824 | spinlock_t rxlock; |
825 | |
826 | struct sk_buff *evt_skb; |
827 | struct sk_buff *acl_skb; |
828 | struct sk_buff *sco_skb; |
829 | |
830 | struct usb_endpoint_descriptor *intr_ep; |
831 | struct usb_endpoint_descriptor *bulk_tx_ep; |
832 | struct usb_endpoint_descriptor *bulk_rx_ep; |
833 | struct usb_endpoint_descriptor *isoc_tx_ep; |
834 | struct usb_endpoint_descriptor *isoc_rx_ep; |
835 | struct usb_endpoint_descriptor *diag_tx_ep; |
836 | struct usb_endpoint_descriptor *diag_rx_ep; |
837 | |
838 | struct gpio_desc *reset_gpio; |
839 | |
840 | __u8 cmdreq_type; |
841 | __u8 cmdreq; |
842 | |
843 | unsigned int sco_num; |
844 | unsigned int air_mode; |
845 | bool usb_alt6_packet_flow; |
846 | int isoc_altsetting; |
847 | int suspend_count; |
848 | |
849 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
850 | int (*recv_acl)(struct hci_dev *hdev, struct sk_buff *skb); |
851 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
852 | |
853 | int (*setup_on_usb)(struct hci_dev *hdev); |
854 | |
855 | int oob_wake_irq; /* irq for out-of-band wake-on-bt */ |
856 | unsigned cmd_timeout_cnt; |
857 | |
858 | struct qca_dump_info qca_dump; |
859 | }; |
860 | |
861 | static void btusb_reset(struct hci_dev *hdev) |
862 | { |
863 | struct btusb_data *data; |
864 | int err; |
865 | |
866 | if (hdev->reset) { |
867 | hdev->reset(hdev); |
868 | return; |
869 | } |
870 | |
871 | data = hci_get_drvdata(hdev); |
872 | /* This is not an unbalanced PM reference since the device will reset */ |
873 | err = usb_autopm_get_interface(intf: data->intf); |
874 | if (err) { |
875 | bt_dev_err(hdev, "Failed usb_autopm_get_interface: %d" , err); |
876 | return; |
877 | } |
878 | |
879 | bt_dev_err(hdev, "Resetting usb device." ); |
880 | usb_queue_reset_device(dev: data->intf); |
881 | } |
882 | |
883 | static void btusb_intel_cmd_timeout(struct hci_dev *hdev) |
884 | { |
885 | struct btusb_data *data = hci_get_drvdata(hdev); |
886 | struct gpio_desc *reset_gpio = data->reset_gpio; |
887 | struct btintel_data *intel_data = hci_get_priv(hdev); |
888 | |
889 | if (++data->cmd_timeout_cnt < 5) |
890 | return; |
891 | |
892 | if (intel_data->acpi_reset_method) { |
893 | if (test_and_set_bit(nr: INTEL_ACPI_RESET_ACTIVE, addr: intel_data->flags)) { |
894 | bt_dev_err(hdev, "acpi: last reset failed ? Not resetting again" ); |
895 | return; |
896 | } |
897 | |
898 | bt_dev_err(hdev, "Initiating acpi reset method" ); |
899 | /* If ACPI reset method fails, lets try with legacy GPIO |
900 | * toggling |
901 | */ |
902 | if (!intel_data->acpi_reset_method(hdev)) { |
903 | return; |
904 | } |
905 | } |
906 | |
907 | if (!reset_gpio) { |
908 | btusb_reset(hdev); |
909 | return; |
910 | } |
911 | |
912 | /* |
913 | * Toggle the hard reset line if the platform provides one. The reset |
914 | * is going to yank the device off the USB and then replug. So doing |
915 | * once is enough. The cleanup is handled correctly on the way out |
916 | * (standard USB disconnect), and the new device is detected cleanly |
917 | * and bound to the driver again like it should be. |
918 | */ |
919 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, addr: &data->flags)) { |
920 | bt_dev_err(hdev, "last reset failed? Not resetting again" ); |
921 | return; |
922 | } |
923 | |
924 | bt_dev_err(hdev, "Initiating HW reset via gpio" ); |
925 | gpiod_set_value_cansleep(desc: reset_gpio, value: 1); |
926 | msleep(msecs: 100); |
927 | gpiod_set_value_cansleep(desc: reset_gpio, value: 0); |
928 | } |
929 | |
930 | #define RTK_DEVCOREDUMP_CODE_MEMDUMP 0x01 |
931 | #define RTK_DEVCOREDUMP_CODE_HW_ERR 0x02 |
932 | #define RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT 0x03 |
933 | |
934 | #define RTK_SUB_EVENT_CODE_COREDUMP 0x34 |
935 | |
936 | struct rtk_dev_coredump_hdr { |
937 | u8 type; |
938 | u8 code; |
939 | u8 reserved[2]; |
940 | } __packed; |
941 | |
942 | static inline void btusb_rtl_alloc_devcoredump(struct hci_dev *hdev, |
943 | struct rtk_dev_coredump_hdr *hdr, u8 *buf, u32 len) |
944 | { |
945 | struct sk_buff *skb; |
946 | |
947 | skb = alloc_skb(size: len + sizeof(*hdr), GFP_ATOMIC); |
948 | if (!skb) |
949 | return; |
950 | |
951 | skb_put_data(skb, data: hdr, len: sizeof(*hdr)); |
952 | if (len) |
953 | skb_put_data(skb, data: buf, len); |
954 | |
955 | if (!hci_devcd_init(hdev, dump_size: skb->len)) { |
956 | hci_devcd_append(hdev, skb); |
957 | hci_devcd_complete(hdev); |
958 | } else { |
959 | bt_dev_err(hdev, "RTL: Failed to generate devcoredump" ); |
960 | kfree_skb(skb); |
961 | } |
962 | } |
963 | |
964 | static void btusb_rtl_cmd_timeout(struct hci_dev *hdev) |
965 | { |
966 | struct btusb_data *data = hci_get_drvdata(hdev); |
967 | struct gpio_desc *reset_gpio = data->reset_gpio; |
968 | struct rtk_dev_coredump_hdr hdr = { |
969 | .type = RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT, |
970 | }; |
971 | |
972 | btusb_rtl_alloc_devcoredump(hdev, hdr: &hdr, NULL, len: 0); |
973 | |
974 | if (++data->cmd_timeout_cnt < 5) |
975 | return; |
976 | |
977 | if (!reset_gpio) { |
978 | btusb_reset(hdev); |
979 | return; |
980 | } |
981 | |
982 | /* Toggle the hard reset line. The Realtek device is going to |
983 | * yank itself off the USB and then replug. The cleanup is handled |
984 | * correctly on the way out (standard USB disconnect), and the new |
985 | * device is detected cleanly and bound to the driver again like |
986 | * it should be. |
987 | */ |
988 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, addr: &data->flags)) { |
989 | bt_dev_err(hdev, "last reset failed? Not resetting again" ); |
990 | return; |
991 | } |
992 | |
993 | bt_dev_err(hdev, "Reset Realtek device via gpio" ); |
994 | gpiod_set_value_cansleep(desc: reset_gpio, value: 1); |
995 | msleep(msecs: 200); |
996 | gpiod_set_value_cansleep(desc: reset_gpio, value: 0); |
997 | } |
998 | |
999 | static void btusb_rtl_hw_error(struct hci_dev *hdev, u8 code) |
1000 | { |
1001 | struct rtk_dev_coredump_hdr hdr = { |
1002 | .type = RTK_DEVCOREDUMP_CODE_HW_ERR, |
1003 | .code = code, |
1004 | }; |
1005 | |
1006 | bt_dev_err(hdev, "RTL: hw err, trigger devcoredump (%d)" , code); |
1007 | |
1008 | btusb_rtl_alloc_devcoredump(hdev, hdr: &hdr, NULL, len: 0); |
1009 | } |
1010 | |
1011 | static void btusb_qca_cmd_timeout(struct hci_dev *hdev) |
1012 | { |
1013 | struct btusb_data *data = hci_get_drvdata(hdev); |
1014 | struct gpio_desc *reset_gpio = data->reset_gpio; |
1015 | |
1016 | if (test_bit(BTUSB_HW_SSR_ACTIVE, &data->flags)) { |
1017 | bt_dev_info(hdev, "Ramdump in progress, defer cmd_timeout" ); |
1018 | return; |
1019 | } |
1020 | |
1021 | if (++data->cmd_timeout_cnt < 5) |
1022 | return; |
1023 | |
1024 | if (reset_gpio) { |
1025 | bt_dev_err(hdev, "Reset qca device via bt_en gpio" ); |
1026 | |
1027 | /* Toggle the hard reset line. The qca bt device is going to |
1028 | * yank itself off the USB and then replug. The cleanup is handled |
1029 | * correctly on the way out (standard USB disconnect), and the new |
1030 | * device is detected cleanly and bound to the driver again like |
1031 | * it should be. |
1032 | */ |
1033 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, addr: &data->flags)) { |
1034 | bt_dev_err(hdev, "last reset failed? Not resetting again" ); |
1035 | return; |
1036 | } |
1037 | |
1038 | gpiod_set_value_cansleep(desc: reset_gpio, value: 0); |
1039 | msleep(msecs: 200); |
1040 | gpiod_set_value_cansleep(desc: reset_gpio, value: 1); |
1041 | |
1042 | return; |
1043 | } |
1044 | |
1045 | btusb_reset(hdev); |
1046 | } |
1047 | |
1048 | static inline void btusb_free_frags(struct btusb_data *data) |
1049 | { |
1050 | unsigned long flags; |
1051 | |
1052 | spin_lock_irqsave(&data->rxlock, flags); |
1053 | |
1054 | dev_kfree_skb_irq(skb: data->evt_skb); |
1055 | data->evt_skb = NULL; |
1056 | |
1057 | dev_kfree_skb_irq(skb: data->acl_skb); |
1058 | data->acl_skb = NULL; |
1059 | |
1060 | dev_kfree_skb_irq(skb: data->sco_skb); |
1061 | data->sco_skb = NULL; |
1062 | |
1063 | spin_unlock_irqrestore(lock: &data->rxlock, flags); |
1064 | } |
1065 | |
1066 | static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb) |
1067 | { |
1068 | if (data->intr_interval) { |
1069 | /* Trigger dequeue immediatelly if an event is received */ |
1070 | schedule_delayed_work(dwork: &data->rx_work, delay: 0); |
1071 | } |
1072 | |
1073 | return data->recv_event(data->hdev, skb); |
1074 | } |
1075 | |
1076 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
1077 | { |
1078 | struct sk_buff *skb; |
1079 | unsigned long flags; |
1080 | int err = 0; |
1081 | |
1082 | spin_lock_irqsave(&data->rxlock, flags); |
1083 | skb = data->evt_skb; |
1084 | |
1085 | while (count) { |
1086 | int len; |
1087 | |
1088 | if (!skb) { |
1089 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); |
1090 | if (!skb) { |
1091 | err = -ENOMEM; |
1092 | break; |
1093 | } |
1094 | |
1095 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
1096 | hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; |
1097 | } |
1098 | |
1099 | len = min_t(uint, hci_skb_expect(skb), count); |
1100 | skb_put_data(skb, data: buffer, len); |
1101 | |
1102 | count -= len; |
1103 | buffer += len; |
1104 | hci_skb_expect(skb) -= len; |
1105 | |
1106 | if (skb->len == HCI_EVENT_HDR_SIZE) { |
1107 | /* Complete event header */ |
1108 | hci_skb_expect(skb) = hci_event_hdr(skb)->plen; |
1109 | |
1110 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
1111 | kfree_skb(skb); |
1112 | skb = NULL; |
1113 | |
1114 | err = -EILSEQ; |
1115 | break; |
1116 | } |
1117 | } |
1118 | |
1119 | if (!hci_skb_expect(skb)) { |
1120 | /* Complete frame */ |
1121 | btusb_recv_event(data, skb); |
1122 | skb = NULL; |
1123 | } |
1124 | } |
1125 | |
1126 | data->evt_skb = skb; |
1127 | spin_unlock_irqrestore(lock: &data->rxlock, flags); |
1128 | |
1129 | return err; |
1130 | } |
1131 | |
1132 | static int btusb_recv_acl(struct btusb_data *data, struct sk_buff *skb) |
1133 | { |
1134 | /* Only queue ACL packet if intr_interval is set as it means |
1135 | * force_poll_sync has been enabled. |
1136 | */ |
1137 | if (!data->intr_interval) |
1138 | return data->recv_acl(data->hdev, skb); |
1139 | |
1140 | skb_queue_tail(list: &data->acl_q, newsk: skb); |
1141 | schedule_delayed_work(dwork: &data->rx_work, delay: data->intr_interval); |
1142 | |
1143 | return 0; |
1144 | } |
1145 | |
1146 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) |
1147 | { |
1148 | struct sk_buff *skb; |
1149 | unsigned long flags; |
1150 | int err = 0; |
1151 | |
1152 | spin_lock_irqsave(&data->rxlock, flags); |
1153 | skb = data->acl_skb; |
1154 | |
1155 | while (count) { |
1156 | int len; |
1157 | |
1158 | if (!skb) { |
1159 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); |
1160 | if (!skb) { |
1161 | err = -ENOMEM; |
1162 | break; |
1163 | } |
1164 | |
1165 | hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; |
1166 | hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; |
1167 | } |
1168 | |
1169 | len = min_t(uint, hci_skb_expect(skb), count); |
1170 | skb_put_data(skb, data: buffer, len); |
1171 | |
1172 | count -= len; |
1173 | buffer += len; |
1174 | hci_skb_expect(skb) -= len; |
1175 | |
1176 | if (skb->len == HCI_ACL_HDR_SIZE) { |
1177 | __le16 dlen = hci_acl_hdr(skb)->dlen; |
1178 | |
1179 | /* Complete ACL header */ |
1180 | hci_skb_expect(skb) = __le16_to_cpu(dlen); |
1181 | |
1182 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
1183 | kfree_skb(skb); |
1184 | skb = NULL; |
1185 | |
1186 | err = -EILSEQ; |
1187 | break; |
1188 | } |
1189 | } |
1190 | |
1191 | if (!hci_skb_expect(skb)) { |
1192 | /* Complete frame */ |
1193 | btusb_recv_acl(data, skb); |
1194 | skb = NULL; |
1195 | } |
1196 | } |
1197 | |
1198 | data->acl_skb = skb; |
1199 | spin_unlock_irqrestore(lock: &data->rxlock, flags); |
1200 | |
1201 | return err; |
1202 | } |
1203 | |
1204 | static bool btusb_validate_sco_handle(struct hci_dev *hdev, |
1205 | struct hci_sco_hdr *hdr) |
1206 | { |
1207 | __u16 handle; |
1208 | |
1209 | if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) |
1210 | // Can't validate, userspace controls everything. |
1211 | return true; |
1212 | |
1213 | /* |
1214 | * USB isochronous transfers are not designed to be reliable and may |
1215 | * lose fragments. When this happens, the next first fragment |
1216 | * encountered might actually be a continuation fragment. |
1217 | * Validate the handle to detect it and drop it, or else the upper |
1218 | * layer will get garbage for a while. |
1219 | */ |
1220 | |
1221 | handle = hci_handle(__le16_to_cpu(hdr->handle)); |
1222 | |
1223 | switch (hci_conn_lookup_type(hdev, handle)) { |
1224 | case SCO_LINK: |
1225 | case ESCO_LINK: |
1226 | return true; |
1227 | default: |
1228 | return false; |
1229 | } |
1230 | } |
1231 | |
1232 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) |
1233 | { |
1234 | struct sk_buff *skb; |
1235 | unsigned long flags; |
1236 | int err = 0; |
1237 | |
1238 | spin_lock_irqsave(&data->rxlock, flags); |
1239 | skb = data->sco_skb; |
1240 | |
1241 | while (count) { |
1242 | int len; |
1243 | |
1244 | if (!skb) { |
1245 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); |
1246 | if (!skb) { |
1247 | err = -ENOMEM; |
1248 | break; |
1249 | } |
1250 | |
1251 | hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; |
1252 | hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; |
1253 | } |
1254 | |
1255 | len = min_t(uint, hci_skb_expect(skb), count); |
1256 | skb_put_data(skb, data: buffer, len); |
1257 | |
1258 | count -= len; |
1259 | buffer += len; |
1260 | hci_skb_expect(skb) -= len; |
1261 | |
1262 | if (skb->len == HCI_SCO_HDR_SIZE) { |
1263 | /* Complete SCO header */ |
1264 | struct hci_sco_hdr *hdr = hci_sco_hdr(skb); |
1265 | |
1266 | hci_skb_expect(skb) = hdr->dlen; |
1267 | |
1268 | if (skb_tailroom(skb) < hci_skb_expect(skb) || |
1269 | !btusb_validate_sco_handle(hdev: data->hdev, hdr)) { |
1270 | kfree_skb(skb); |
1271 | skb = NULL; |
1272 | |
1273 | err = -EILSEQ; |
1274 | break; |
1275 | } |
1276 | } |
1277 | |
1278 | if (!hci_skb_expect(skb)) { |
1279 | /* Complete frame */ |
1280 | hci_recv_frame(hdev: data->hdev, skb); |
1281 | skb = NULL; |
1282 | } |
1283 | } |
1284 | |
1285 | data->sco_skb = skb; |
1286 | spin_unlock_irqrestore(lock: &data->rxlock, flags); |
1287 | |
1288 | return err; |
1289 | } |
1290 | |
1291 | static void btusb_intr_complete(struct urb *urb) |
1292 | { |
1293 | struct hci_dev *hdev = urb->context; |
1294 | struct btusb_data *data = hci_get_drvdata(hdev); |
1295 | int err; |
1296 | |
1297 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1298 | urb->actual_length); |
1299 | |
1300 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
1301 | return; |
1302 | |
1303 | if (urb->status == 0) { |
1304 | hdev->stat.byte_rx += urb->actual_length; |
1305 | |
1306 | if (btusb_recv_intr(data, buffer: urb->transfer_buffer, |
1307 | count: urb->actual_length) < 0) { |
1308 | bt_dev_err(hdev, "corrupted event packet" ); |
1309 | hdev->stat.err_rx++; |
1310 | } |
1311 | } else if (urb->status == -ENOENT) { |
1312 | /* Avoid suspend failed when usb_kill_urb */ |
1313 | return; |
1314 | } |
1315 | |
1316 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) |
1317 | return; |
1318 | |
1319 | usb_mark_last_busy(udev: data->udev); |
1320 | usb_anchor_urb(urb, anchor: &data->intr_anchor); |
1321 | |
1322 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1323 | if (err < 0) { |
1324 | /* -EPERM: urb is being killed; |
1325 | * -ENODEV: device got disconnected |
1326 | */ |
1327 | if (err != -EPERM && err != -ENODEV) |
1328 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)" , |
1329 | urb, -err); |
1330 | if (err != -EPERM) |
1331 | hci_cmd_sync_cancel(hdev, err: -err); |
1332 | usb_unanchor_urb(urb); |
1333 | } |
1334 | } |
1335 | |
1336 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
1337 | { |
1338 | struct btusb_data *data = hci_get_drvdata(hdev); |
1339 | struct urb *urb; |
1340 | unsigned char *buf; |
1341 | unsigned int pipe; |
1342 | int err, size; |
1343 | |
1344 | BT_DBG("%s" , hdev->name); |
1345 | |
1346 | if (!data->intr_ep) |
1347 | return -ENODEV; |
1348 | |
1349 | urb = usb_alloc_urb(iso_packets: 0, mem_flags); |
1350 | if (!urb) |
1351 | return -ENOMEM; |
1352 | |
1353 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); |
1354 | |
1355 | buf = kmalloc(size, flags: mem_flags); |
1356 | if (!buf) { |
1357 | usb_free_urb(urb); |
1358 | return -ENOMEM; |
1359 | } |
1360 | |
1361 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); |
1362 | |
1363 | usb_fill_int_urb(urb, dev: data->udev, pipe, transfer_buffer: buf, buffer_length: size, |
1364 | complete_fn: btusb_intr_complete, context: hdev, interval: data->intr_ep->bInterval); |
1365 | |
1366 | urb->transfer_flags |= URB_FREE_BUFFER; |
1367 | |
1368 | usb_anchor_urb(urb, anchor: &data->intr_anchor); |
1369 | |
1370 | err = usb_submit_urb(urb, mem_flags); |
1371 | if (err < 0) { |
1372 | if (err != -EPERM && err != -ENODEV) |
1373 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
1374 | urb, -err); |
1375 | if (err != -EPERM) |
1376 | hci_cmd_sync_cancel(hdev, err: -err); |
1377 | usb_unanchor_urb(urb); |
1378 | } |
1379 | |
1380 | /* Only initialize intr_interval if URB poll sync is enabled */ |
1381 | if (!data->poll_sync) |
1382 | goto done; |
1383 | |
1384 | /* The units are frames (milliseconds) for full and low speed devices, |
1385 | * and microframes (1/8 millisecond) for highspeed and SuperSpeed |
1386 | * devices. |
1387 | * |
1388 | * This is done once on open/resume so it shouldn't change even if |
1389 | * force_poll_sync changes. |
1390 | */ |
1391 | switch (urb->dev->speed) { |
1392 | case USB_SPEED_SUPER_PLUS: |
1393 | case USB_SPEED_SUPER: /* units are 125us */ |
1394 | data->intr_interval = usecs_to_jiffies(u: urb->interval * 125); |
1395 | break; |
1396 | default: |
1397 | data->intr_interval = msecs_to_jiffies(m: urb->interval); |
1398 | break; |
1399 | } |
1400 | |
1401 | done: |
1402 | usb_free_urb(urb); |
1403 | |
1404 | return err; |
1405 | } |
1406 | |
1407 | static void btusb_bulk_complete(struct urb *urb) |
1408 | { |
1409 | struct hci_dev *hdev = urb->context; |
1410 | struct btusb_data *data = hci_get_drvdata(hdev); |
1411 | int err; |
1412 | |
1413 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1414 | urb->actual_length); |
1415 | |
1416 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
1417 | return; |
1418 | |
1419 | if (urb->status == 0) { |
1420 | hdev->stat.byte_rx += urb->actual_length; |
1421 | |
1422 | if (data->recv_bulk(data, urb->transfer_buffer, |
1423 | urb->actual_length) < 0) { |
1424 | bt_dev_err(hdev, "corrupted ACL packet" ); |
1425 | hdev->stat.err_rx++; |
1426 | } |
1427 | } else if (urb->status == -ENOENT) { |
1428 | /* Avoid suspend failed when usb_kill_urb */ |
1429 | return; |
1430 | } |
1431 | |
1432 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) |
1433 | return; |
1434 | |
1435 | usb_anchor_urb(urb, anchor: &data->bulk_anchor); |
1436 | usb_mark_last_busy(udev: data->udev); |
1437 | |
1438 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1439 | if (err < 0) { |
1440 | /* -EPERM: urb is being killed; |
1441 | * -ENODEV: device got disconnected |
1442 | */ |
1443 | if (err != -EPERM && err != -ENODEV) |
1444 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)" , |
1445 | urb, -err); |
1446 | usb_unanchor_urb(urb); |
1447 | } |
1448 | } |
1449 | |
1450 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
1451 | { |
1452 | struct btusb_data *data = hci_get_drvdata(hdev); |
1453 | struct urb *urb; |
1454 | unsigned char *buf; |
1455 | unsigned int pipe; |
1456 | int err, size = HCI_MAX_FRAME_SIZE; |
1457 | |
1458 | BT_DBG("%s" , hdev->name); |
1459 | |
1460 | if (!data->bulk_rx_ep) |
1461 | return -ENODEV; |
1462 | |
1463 | urb = usb_alloc_urb(iso_packets: 0, mem_flags); |
1464 | if (!urb) |
1465 | return -ENOMEM; |
1466 | |
1467 | buf = kmalloc(size, flags: mem_flags); |
1468 | if (!buf) { |
1469 | usb_free_urb(urb); |
1470 | return -ENOMEM; |
1471 | } |
1472 | |
1473 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); |
1474 | |
1475 | usb_fill_bulk_urb(urb, dev: data->udev, pipe, transfer_buffer: buf, buffer_length: size, |
1476 | complete_fn: btusb_bulk_complete, context: hdev); |
1477 | |
1478 | urb->transfer_flags |= URB_FREE_BUFFER; |
1479 | |
1480 | usb_mark_last_busy(udev: data->udev); |
1481 | usb_anchor_urb(urb, anchor: &data->bulk_anchor); |
1482 | |
1483 | err = usb_submit_urb(urb, mem_flags); |
1484 | if (err < 0) { |
1485 | if (err != -EPERM && err != -ENODEV) |
1486 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
1487 | urb, -err); |
1488 | usb_unanchor_urb(urb); |
1489 | } |
1490 | |
1491 | usb_free_urb(urb); |
1492 | |
1493 | return err; |
1494 | } |
1495 | |
1496 | static void btusb_isoc_complete(struct urb *urb) |
1497 | { |
1498 | struct hci_dev *hdev = urb->context; |
1499 | struct btusb_data *data = hci_get_drvdata(hdev); |
1500 | int i, err; |
1501 | |
1502 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1503 | urb->actual_length); |
1504 | |
1505 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
1506 | return; |
1507 | |
1508 | if (urb->status == 0) { |
1509 | for (i = 0; i < urb->number_of_packets; i++) { |
1510 | unsigned int offset = urb->iso_frame_desc[i].offset; |
1511 | unsigned int length = urb->iso_frame_desc[i].actual_length; |
1512 | |
1513 | if (urb->iso_frame_desc[i].status) |
1514 | continue; |
1515 | |
1516 | hdev->stat.byte_rx += length; |
1517 | |
1518 | if (btusb_recv_isoc(data, buffer: urb->transfer_buffer + offset, |
1519 | count: length) < 0) { |
1520 | bt_dev_err(hdev, "corrupted SCO packet" ); |
1521 | hdev->stat.err_rx++; |
1522 | } |
1523 | } |
1524 | } else if (urb->status == -ENOENT) { |
1525 | /* Avoid suspend failed when usb_kill_urb */ |
1526 | return; |
1527 | } |
1528 | |
1529 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) |
1530 | return; |
1531 | |
1532 | usb_anchor_urb(urb, anchor: &data->isoc_anchor); |
1533 | |
1534 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1535 | if (err < 0) { |
1536 | /* -EPERM: urb is being killed; |
1537 | * -ENODEV: device got disconnected |
1538 | */ |
1539 | if (err != -EPERM && err != -ENODEV) |
1540 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)" , |
1541 | urb, -err); |
1542 | usb_unanchor_urb(urb); |
1543 | } |
1544 | } |
1545 | |
1546 | static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len, |
1547 | int mtu, struct btusb_data *data) |
1548 | { |
1549 | int i = 0, offset = 0; |
1550 | unsigned int interval; |
1551 | |
1552 | BT_DBG("len %d mtu %d" , len, mtu); |
1553 | |
1554 | /* For mSBC ALT 6 settings some chips need to transmit the data |
1555 | * continuously without the zero length of USB packets. |
1556 | */ |
1557 | if (test_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags)) |
1558 | goto ignore_usb_alt6_packet_flow; |
1559 | |
1560 | /* For mSBC ALT 6 setting the host will send the packet at continuous |
1561 | * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting |
1562 | * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets. |
1563 | * To maintain the rate we send 63bytes of usb packets alternatively for |
1564 | * 7ms and 8ms to maintain the rate as 7.5ms. |
1565 | */ |
1566 | if (data->usb_alt6_packet_flow) { |
1567 | interval = 7; |
1568 | data->usb_alt6_packet_flow = false; |
1569 | } else { |
1570 | interval = 6; |
1571 | data->usb_alt6_packet_flow = true; |
1572 | } |
1573 | |
1574 | for (i = 0; i < interval; i++) { |
1575 | urb->iso_frame_desc[i].offset = offset; |
1576 | urb->iso_frame_desc[i].length = offset; |
1577 | } |
1578 | |
1579 | ignore_usb_alt6_packet_flow: |
1580 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { |
1581 | urb->iso_frame_desc[i].offset = offset; |
1582 | urb->iso_frame_desc[i].length = len; |
1583 | i++; |
1584 | } |
1585 | |
1586 | urb->number_of_packets = i; |
1587 | } |
1588 | |
1589 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
1590 | { |
1591 | int i, offset = 0; |
1592 | |
1593 | BT_DBG("len %d mtu %d" , len, mtu); |
1594 | |
1595 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; |
1596 | i++, offset += mtu, len -= mtu) { |
1597 | urb->iso_frame_desc[i].offset = offset; |
1598 | urb->iso_frame_desc[i].length = mtu; |
1599 | } |
1600 | |
1601 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { |
1602 | urb->iso_frame_desc[i].offset = offset; |
1603 | urb->iso_frame_desc[i].length = len; |
1604 | i++; |
1605 | } |
1606 | |
1607 | urb->number_of_packets = i; |
1608 | } |
1609 | |
1610 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
1611 | { |
1612 | struct btusb_data *data = hci_get_drvdata(hdev); |
1613 | struct urb *urb; |
1614 | unsigned char *buf; |
1615 | unsigned int pipe; |
1616 | int err, size; |
1617 | |
1618 | BT_DBG("%s" , hdev->name); |
1619 | |
1620 | if (!data->isoc_rx_ep) |
1621 | return -ENODEV; |
1622 | |
1623 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
1624 | if (!urb) |
1625 | return -ENOMEM; |
1626 | |
1627 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * |
1628 | BTUSB_MAX_ISOC_FRAMES; |
1629 | |
1630 | buf = kmalloc(size, flags: mem_flags); |
1631 | if (!buf) { |
1632 | usb_free_urb(urb); |
1633 | return -ENOMEM; |
1634 | } |
1635 | |
1636 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); |
1637 | |
1638 | usb_fill_int_urb(urb, dev: data->udev, pipe, transfer_buffer: buf, buffer_length: size, complete_fn: btusb_isoc_complete, |
1639 | context: hdev, interval: data->isoc_rx_ep->bInterval); |
1640 | |
1641 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
1642 | |
1643 | __fill_isoc_descriptor(urb, len: size, |
1644 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
1645 | |
1646 | usb_anchor_urb(urb, anchor: &data->isoc_anchor); |
1647 | |
1648 | err = usb_submit_urb(urb, mem_flags); |
1649 | if (err < 0) { |
1650 | if (err != -EPERM && err != -ENODEV) |
1651 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
1652 | urb, -err); |
1653 | usb_unanchor_urb(urb); |
1654 | } |
1655 | |
1656 | usb_free_urb(urb); |
1657 | |
1658 | return err; |
1659 | } |
1660 | |
1661 | static void btusb_diag_complete(struct urb *urb) |
1662 | { |
1663 | struct hci_dev *hdev = urb->context; |
1664 | struct btusb_data *data = hci_get_drvdata(hdev); |
1665 | int err; |
1666 | |
1667 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1668 | urb->actual_length); |
1669 | |
1670 | if (urb->status == 0) { |
1671 | struct sk_buff *skb; |
1672 | |
1673 | skb = bt_skb_alloc(len: urb->actual_length, GFP_ATOMIC); |
1674 | if (skb) { |
1675 | skb_put_data(skb, data: urb->transfer_buffer, |
1676 | len: urb->actual_length); |
1677 | hci_recv_diag(hdev, skb); |
1678 | } |
1679 | } else if (urb->status == -ENOENT) { |
1680 | /* Avoid suspend failed when usb_kill_urb */ |
1681 | return; |
1682 | } |
1683 | |
1684 | if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) |
1685 | return; |
1686 | |
1687 | usb_anchor_urb(urb, anchor: &data->diag_anchor); |
1688 | usb_mark_last_busy(udev: data->udev); |
1689 | |
1690 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1691 | if (err < 0) { |
1692 | /* -EPERM: urb is being killed; |
1693 | * -ENODEV: device got disconnected |
1694 | */ |
1695 | if (err != -EPERM && err != -ENODEV) |
1696 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)" , |
1697 | urb, -err); |
1698 | usb_unanchor_urb(urb); |
1699 | } |
1700 | } |
1701 | |
1702 | static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) |
1703 | { |
1704 | struct btusb_data *data = hci_get_drvdata(hdev); |
1705 | struct urb *urb; |
1706 | unsigned char *buf; |
1707 | unsigned int pipe; |
1708 | int err, size = HCI_MAX_FRAME_SIZE; |
1709 | |
1710 | BT_DBG("%s" , hdev->name); |
1711 | |
1712 | if (!data->diag_rx_ep) |
1713 | return -ENODEV; |
1714 | |
1715 | urb = usb_alloc_urb(iso_packets: 0, mem_flags); |
1716 | if (!urb) |
1717 | return -ENOMEM; |
1718 | |
1719 | buf = kmalloc(size, flags: mem_flags); |
1720 | if (!buf) { |
1721 | usb_free_urb(urb); |
1722 | return -ENOMEM; |
1723 | } |
1724 | |
1725 | pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); |
1726 | |
1727 | usb_fill_bulk_urb(urb, dev: data->udev, pipe, transfer_buffer: buf, buffer_length: size, |
1728 | complete_fn: btusb_diag_complete, context: hdev); |
1729 | |
1730 | urb->transfer_flags |= URB_FREE_BUFFER; |
1731 | |
1732 | usb_mark_last_busy(udev: data->udev); |
1733 | usb_anchor_urb(urb, anchor: &data->diag_anchor); |
1734 | |
1735 | err = usb_submit_urb(urb, mem_flags); |
1736 | if (err < 0) { |
1737 | if (err != -EPERM && err != -ENODEV) |
1738 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
1739 | urb, -err); |
1740 | usb_unanchor_urb(urb); |
1741 | } |
1742 | |
1743 | usb_free_urb(urb); |
1744 | |
1745 | return err; |
1746 | } |
1747 | |
1748 | static void btusb_tx_complete(struct urb *urb) |
1749 | { |
1750 | struct sk_buff *skb = urb->context; |
1751 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
1752 | struct btusb_data *data = hci_get_drvdata(hdev); |
1753 | unsigned long flags; |
1754 | |
1755 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1756 | urb->actual_length); |
1757 | |
1758 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
1759 | goto done; |
1760 | |
1761 | if (!urb->status) { |
1762 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
1763 | } else { |
1764 | if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT) |
1765 | hci_cmd_sync_cancel(hdev, err: -urb->status); |
1766 | hdev->stat.err_tx++; |
1767 | } |
1768 | |
1769 | done: |
1770 | spin_lock_irqsave(&data->txlock, flags); |
1771 | data->tx_in_flight--; |
1772 | spin_unlock_irqrestore(lock: &data->txlock, flags); |
1773 | |
1774 | kfree(objp: urb->setup_packet); |
1775 | |
1776 | kfree_skb(skb); |
1777 | } |
1778 | |
1779 | static void btusb_isoc_tx_complete(struct urb *urb) |
1780 | { |
1781 | struct sk_buff *skb = urb->context; |
1782 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
1783 | |
1784 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1785 | urb->actual_length); |
1786 | |
1787 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
1788 | goto done; |
1789 | |
1790 | if (!urb->status) |
1791 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
1792 | else |
1793 | hdev->stat.err_tx++; |
1794 | |
1795 | done: |
1796 | kfree(objp: urb->setup_packet); |
1797 | |
1798 | kfree_skb(skb); |
1799 | } |
1800 | |
1801 | static int btusb_open(struct hci_dev *hdev) |
1802 | { |
1803 | struct btusb_data *data = hci_get_drvdata(hdev); |
1804 | int err; |
1805 | |
1806 | BT_DBG("%s" , hdev->name); |
1807 | |
1808 | err = usb_autopm_get_interface(intf: data->intf); |
1809 | if (err < 0) |
1810 | return err; |
1811 | |
1812 | /* Patching USB firmware files prior to starting any URBs of HCI path |
1813 | * It is more safe to use USB bulk channel for downloading USB patch |
1814 | */ |
1815 | if (data->setup_on_usb) { |
1816 | err = data->setup_on_usb(hdev); |
1817 | if (err < 0) |
1818 | goto setup_fail; |
1819 | } |
1820 | |
1821 | data->intf->needs_remote_wakeup = 1; |
1822 | |
1823 | if (test_and_set_bit(BTUSB_INTR_RUNNING, addr: &data->flags)) |
1824 | goto done; |
1825 | |
1826 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
1827 | if (err < 0) |
1828 | goto failed; |
1829 | |
1830 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
1831 | if (err < 0) { |
1832 | usb_kill_anchored_urbs(anchor: &data->intr_anchor); |
1833 | goto failed; |
1834 | } |
1835 | |
1836 | set_bit(BTUSB_BULK_RUNNING, addr: &data->flags); |
1837 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
1838 | |
1839 | if (data->diag) { |
1840 | if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) |
1841 | set_bit(BTUSB_DIAG_RUNNING, addr: &data->flags); |
1842 | } |
1843 | |
1844 | done: |
1845 | usb_autopm_put_interface(intf: data->intf); |
1846 | return 0; |
1847 | |
1848 | failed: |
1849 | clear_bit(BTUSB_INTR_RUNNING, addr: &data->flags); |
1850 | setup_fail: |
1851 | usb_autopm_put_interface(intf: data->intf); |
1852 | return err; |
1853 | } |
1854 | |
1855 | static void btusb_stop_traffic(struct btusb_data *data) |
1856 | { |
1857 | usb_kill_anchored_urbs(anchor: &data->intr_anchor); |
1858 | usb_kill_anchored_urbs(anchor: &data->bulk_anchor); |
1859 | usb_kill_anchored_urbs(anchor: &data->isoc_anchor); |
1860 | usb_kill_anchored_urbs(anchor: &data->diag_anchor); |
1861 | usb_kill_anchored_urbs(anchor: &data->ctrl_anchor); |
1862 | } |
1863 | |
1864 | static int btusb_close(struct hci_dev *hdev) |
1865 | { |
1866 | struct btusb_data *data = hci_get_drvdata(hdev); |
1867 | int err; |
1868 | |
1869 | BT_DBG("%s" , hdev->name); |
1870 | |
1871 | cancel_delayed_work(dwork: &data->rx_work); |
1872 | cancel_work_sync(work: &data->work); |
1873 | cancel_work_sync(work: &data->waker); |
1874 | |
1875 | skb_queue_purge(list: &data->acl_q); |
1876 | |
1877 | clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags); |
1878 | clear_bit(BTUSB_BULK_RUNNING, addr: &data->flags); |
1879 | clear_bit(BTUSB_INTR_RUNNING, addr: &data->flags); |
1880 | clear_bit(BTUSB_DIAG_RUNNING, addr: &data->flags); |
1881 | |
1882 | btusb_stop_traffic(data); |
1883 | btusb_free_frags(data); |
1884 | |
1885 | err = usb_autopm_get_interface(intf: data->intf); |
1886 | if (err < 0) |
1887 | goto failed; |
1888 | |
1889 | data->intf->needs_remote_wakeup = 0; |
1890 | |
1891 | /* Enable remote wake up for auto-suspend */ |
1892 | if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) |
1893 | data->intf->needs_remote_wakeup = 1; |
1894 | |
1895 | usb_autopm_put_interface(intf: data->intf); |
1896 | |
1897 | failed: |
1898 | usb_scuttle_anchored_urbs(anchor: &data->deferred); |
1899 | return 0; |
1900 | } |
1901 | |
1902 | static int btusb_flush(struct hci_dev *hdev) |
1903 | { |
1904 | struct btusb_data *data = hci_get_drvdata(hdev); |
1905 | |
1906 | BT_DBG("%s" , hdev->name); |
1907 | |
1908 | cancel_delayed_work(dwork: &data->rx_work); |
1909 | |
1910 | skb_queue_purge(list: &data->acl_q); |
1911 | |
1912 | usb_kill_anchored_urbs(anchor: &data->tx_anchor); |
1913 | btusb_free_frags(data); |
1914 | |
1915 | return 0; |
1916 | } |
1917 | |
1918 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1919 | { |
1920 | struct btusb_data *data = hci_get_drvdata(hdev); |
1921 | struct usb_ctrlrequest *dr; |
1922 | struct urb *urb; |
1923 | unsigned int pipe; |
1924 | |
1925 | urb = usb_alloc_urb(iso_packets: 0, GFP_KERNEL); |
1926 | if (!urb) |
1927 | return ERR_PTR(error: -ENOMEM); |
1928 | |
1929 | dr = kmalloc(size: sizeof(*dr), GFP_KERNEL); |
1930 | if (!dr) { |
1931 | usb_free_urb(urb); |
1932 | return ERR_PTR(error: -ENOMEM); |
1933 | } |
1934 | |
1935 | dr->bRequestType = data->cmdreq_type; |
1936 | dr->bRequest = data->cmdreq; |
1937 | dr->wIndex = 0; |
1938 | dr->wValue = 0; |
1939 | dr->wLength = __cpu_to_le16(skb->len); |
1940 | |
1941 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
1942 | |
1943 | usb_fill_control_urb(urb, dev: data->udev, pipe, setup_packet: (void *)dr, |
1944 | transfer_buffer: skb->data, buffer_length: skb->len, complete_fn: btusb_tx_complete, context: skb); |
1945 | |
1946 | skb->dev = (void *)hdev; |
1947 | |
1948 | return urb; |
1949 | } |
1950 | |
1951 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1952 | { |
1953 | struct btusb_data *data = hci_get_drvdata(hdev); |
1954 | struct urb *urb; |
1955 | unsigned int pipe; |
1956 | |
1957 | if (!data->bulk_tx_ep) |
1958 | return ERR_PTR(error: -ENODEV); |
1959 | |
1960 | urb = usb_alloc_urb(iso_packets: 0, GFP_KERNEL); |
1961 | if (!urb) |
1962 | return ERR_PTR(error: -ENOMEM); |
1963 | |
1964 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
1965 | |
1966 | usb_fill_bulk_urb(urb, dev: data->udev, pipe, |
1967 | transfer_buffer: skb->data, buffer_length: skb->len, complete_fn: btusb_tx_complete, context: skb); |
1968 | |
1969 | skb->dev = (void *)hdev; |
1970 | |
1971 | return urb; |
1972 | } |
1973 | |
1974 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1975 | { |
1976 | struct btusb_data *data = hci_get_drvdata(hdev); |
1977 | struct urb *urb; |
1978 | unsigned int pipe; |
1979 | |
1980 | if (!data->isoc_tx_ep) |
1981 | return ERR_PTR(error: -ENODEV); |
1982 | |
1983 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1984 | if (!urb) |
1985 | return ERR_PTR(error: -ENOMEM); |
1986 | |
1987 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
1988 | |
1989 | usb_fill_int_urb(urb, dev: data->udev, pipe, |
1990 | transfer_buffer: skb->data, buffer_length: skb->len, complete_fn: btusb_isoc_tx_complete, |
1991 | context: skb, interval: data->isoc_tx_ep->bInterval); |
1992 | |
1993 | urb->transfer_flags = URB_ISO_ASAP; |
1994 | |
1995 | if (data->isoc_altsetting == 6) |
1996 | __fill_isoc_descriptor_msbc(urb, len: skb->len, |
1997 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize), |
1998 | data); |
1999 | else |
2000 | __fill_isoc_descriptor(urb, len: skb->len, |
2001 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); |
2002 | skb->dev = (void *)hdev; |
2003 | |
2004 | return urb; |
2005 | } |
2006 | |
2007 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) |
2008 | { |
2009 | struct btusb_data *data = hci_get_drvdata(hdev); |
2010 | int err; |
2011 | |
2012 | usb_anchor_urb(urb, anchor: &data->tx_anchor); |
2013 | |
2014 | err = usb_submit_urb(urb, GFP_KERNEL); |
2015 | if (err < 0) { |
2016 | if (err != -EPERM && err != -ENODEV) |
2017 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
2018 | urb, -err); |
2019 | kfree(objp: urb->setup_packet); |
2020 | usb_unanchor_urb(urb); |
2021 | } else { |
2022 | usb_mark_last_busy(udev: data->udev); |
2023 | } |
2024 | |
2025 | usb_free_urb(urb); |
2026 | return err; |
2027 | } |
2028 | |
2029 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
2030 | { |
2031 | struct btusb_data *data = hci_get_drvdata(hdev); |
2032 | unsigned long flags; |
2033 | bool suspending; |
2034 | |
2035 | spin_lock_irqsave(&data->txlock, flags); |
2036 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); |
2037 | if (!suspending) |
2038 | data->tx_in_flight++; |
2039 | spin_unlock_irqrestore(lock: &data->txlock, flags); |
2040 | |
2041 | if (!suspending) |
2042 | return submit_tx_urb(hdev, urb); |
2043 | |
2044 | usb_anchor_urb(urb, anchor: &data->deferred); |
2045 | schedule_work(work: &data->waker); |
2046 | |
2047 | usb_free_urb(urb); |
2048 | return 0; |
2049 | } |
2050 | |
2051 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
2052 | { |
2053 | struct urb *urb; |
2054 | |
2055 | BT_DBG("%s" , hdev->name); |
2056 | |
2057 | switch (hci_skb_pkt_type(skb)) { |
2058 | case HCI_COMMAND_PKT: |
2059 | urb = alloc_ctrl_urb(hdev, skb); |
2060 | if (IS_ERR(ptr: urb)) |
2061 | return PTR_ERR(ptr: urb); |
2062 | |
2063 | hdev->stat.cmd_tx++; |
2064 | return submit_or_queue_tx_urb(hdev, urb); |
2065 | |
2066 | case HCI_ACLDATA_PKT: |
2067 | urb = alloc_bulk_urb(hdev, skb); |
2068 | if (IS_ERR(ptr: urb)) |
2069 | return PTR_ERR(ptr: urb); |
2070 | |
2071 | hdev->stat.acl_tx++; |
2072 | return submit_or_queue_tx_urb(hdev, urb); |
2073 | |
2074 | case HCI_SCODATA_PKT: |
2075 | if (hci_conn_num(hdev, SCO_LINK) < 1) |
2076 | return -ENODEV; |
2077 | |
2078 | urb = alloc_isoc_urb(hdev, skb); |
2079 | if (IS_ERR(ptr: urb)) |
2080 | return PTR_ERR(ptr: urb); |
2081 | |
2082 | hdev->stat.sco_tx++; |
2083 | return submit_tx_urb(hdev, urb); |
2084 | |
2085 | case HCI_ISODATA_PKT: |
2086 | urb = alloc_bulk_urb(hdev, skb); |
2087 | if (IS_ERR(ptr: urb)) |
2088 | return PTR_ERR(ptr: urb); |
2089 | |
2090 | return submit_or_queue_tx_urb(hdev, urb); |
2091 | } |
2092 | |
2093 | return -EILSEQ; |
2094 | } |
2095 | |
2096 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
2097 | { |
2098 | struct btusb_data *data = hci_get_drvdata(hdev); |
2099 | |
2100 | BT_DBG("%s evt %d" , hdev->name, evt); |
2101 | |
2102 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
2103 | data->sco_num = hci_conn_num(hdev, SCO_LINK); |
2104 | data->air_mode = evt; |
2105 | schedule_work(work: &data->work); |
2106 | } |
2107 | } |
2108 | |
2109 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
2110 | { |
2111 | struct btusb_data *data = hci_get_drvdata(hdev); |
2112 | struct usb_interface *intf = data->isoc; |
2113 | struct usb_endpoint_descriptor *ep_desc; |
2114 | int i, err; |
2115 | |
2116 | if (!data->isoc) |
2117 | return -ENODEV; |
2118 | |
2119 | err = usb_set_interface(dev: data->udev, ifnum: data->isoc_ifnum, alternate: altsetting); |
2120 | if (err < 0) { |
2121 | bt_dev_err(hdev, "setting interface failed (%d)" , -err); |
2122 | return err; |
2123 | } |
2124 | |
2125 | data->isoc_altsetting = altsetting; |
2126 | |
2127 | data->isoc_tx_ep = NULL; |
2128 | data->isoc_rx_ep = NULL; |
2129 | |
2130 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
2131 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
2132 | |
2133 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(epd: ep_desc)) { |
2134 | data->isoc_tx_ep = ep_desc; |
2135 | continue; |
2136 | } |
2137 | |
2138 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(epd: ep_desc)) { |
2139 | data->isoc_rx_ep = ep_desc; |
2140 | continue; |
2141 | } |
2142 | } |
2143 | |
2144 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { |
2145 | bt_dev_err(hdev, "invalid SCO descriptors" ); |
2146 | return -ENODEV; |
2147 | } |
2148 | |
2149 | return 0; |
2150 | } |
2151 | |
2152 | static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts) |
2153 | { |
2154 | struct btusb_data *data = hci_get_drvdata(hdev); |
2155 | int err; |
2156 | |
2157 | if (data->isoc_altsetting != new_alts) { |
2158 | unsigned long flags; |
2159 | |
2160 | clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags); |
2161 | usb_kill_anchored_urbs(anchor: &data->isoc_anchor); |
2162 | |
2163 | /* When isochronous alternate setting needs to be |
2164 | * changed, because SCO connection has been added |
2165 | * or removed, a packet fragment may be left in the |
2166 | * reassembling state. This could lead to wrongly |
2167 | * assembled fragments. |
2168 | * |
2169 | * Clear outstanding fragment when selecting a new |
2170 | * alternate setting. |
2171 | */ |
2172 | spin_lock_irqsave(&data->rxlock, flags); |
2173 | dev_kfree_skb_irq(skb: data->sco_skb); |
2174 | data->sco_skb = NULL; |
2175 | spin_unlock_irqrestore(lock: &data->rxlock, flags); |
2176 | |
2177 | err = __set_isoc_interface(hdev, altsetting: new_alts); |
2178 | if (err < 0) |
2179 | return err; |
2180 | } |
2181 | |
2182 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, addr: &data->flags)) { |
2183 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
2184 | clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags); |
2185 | else |
2186 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
2187 | } |
2188 | |
2189 | return 0; |
2190 | } |
2191 | |
2192 | static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data, |
2193 | int alt) |
2194 | { |
2195 | struct usb_interface *intf = data->isoc; |
2196 | int i; |
2197 | |
2198 | BT_DBG("Looking for Alt no :%d" , alt); |
2199 | |
2200 | if (!intf) |
2201 | return NULL; |
2202 | |
2203 | for (i = 0; i < intf->num_altsetting; i++) { |
2204 | if (intf->altsetting[i].desc.bAlternateSetting == alt) |
2205 | return &intf->altsetting[i]; |
2206 | } |
2207 | |
2208 | return NULL; |
2209 | } |
2210 | |
2211 | static void btusb_work(struct work_struct *work) |
2212 | { |
2213 | struct btusb_data *data = container_of(work, struct btusb_data, work); |
2214 | struct hci_dev *hdev = data->hdev; |
2215 | int new_alts = 0; |
2216 | int err; |
2217 | |
2218 | if (data->sco_num > 0) { |
2219 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
2220 | err = usb_autopm_get_interface(intf: data->isoc ? data->isoc : data->intf); |
2221 | if (err < 0) { |
2222 | clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags); |
2223 | usb_kill_anchored_urbs(anchor: &data->isoc_anchor); |
2224 | return; |
2225 | } |
2226 | |
2227 | set_bit(BTUSB_DID_ISO_RESUME, addr: &data->flags); |
2228 | } |
2229 | |
2230 | if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) { |
2231 | if (hdev->voice_setting & 0x0020) { |
2232 | static const int alts[3] = { 2, 4, 5 }; |
2233 | |
2234 | new_alts = alts[data->sco_num - 1]; |
2235 | } else { |
2236 | new_alts = data->sco_num; |
2237 | } |
2238 | } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) { |
2239 | /* Bluetooth USB spec recommends alt 6 (63 bytes), but |
2240 | * many adapters do not support it. Alt 1 appears to |
2241 | * work for all adapters that do not have alt 6, and |
2242 | * which work with WBS at all. Some devices prefer |
2243 | * alt 3 (HCI payload >= 60 Bytes let air packet |
2244 | * data satisfy 60 bytes), requiring |
2245 | * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72 |
2246 | * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1. |
2247 | */ |
2248 | if (btusb_find_altsetting(data, alt: 6)) |
2249 | new_alts = 6; |
2250 | else if (btusb_find_altsetting(data, alt: 3) && |
2251 | hdev->sco_mtu >= 72 && |
2252 | test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags)) |
2253 | new_alts = 3; |
2254 | else |
2255 | new_alts = 1; |
2256 | } |
2257 | |
2258 | if (btusb_switch_alt_setting(hdev, new_alts) < 0) |
2259 | bt_dev_err(hdev, "set USB alt:(%d) failed!" , new_alts); |
2260 | } else { |
2261 | usb_kill_anchored_urbs(anchor: &data->isoc_anchor); |
2262 | |
2263 | if (test_and_clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags)) |
2264 | __set_isoc_interface(hdev, altsetting: 0); |
2265 | |
2266 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, addr: &data->flags)) |
2267 | usb_autopm_put_interface(intf: data->isoc ? data->isoc : data->intf); |
2268 | } |
2269 | } |
2270 | |
2271 | static void btusb_waker(struct work_struct *work) |
2272 | { |
2273 | struct btusb_data *data = container_of(work, struct btusb_data, waker); |
2274 | int err; |
2275 | |
2276 | err = usb_autopm_get_interface(intf: data->intf); |
2277 | if (err < 0) |
2278 | return; |
2279 | |
2280 | usb_autopm_put_interface(intf: data->intf); |
2281 | } |
2282 | |
2283 | static void btusb_rx_work(struct work_struct *work) |
2284 | { |
2285 | struct btusb_data *data = container_of(work, struct btusb_data, |
2286 | rx_work.work); |
2287 | struct sk_buff *skb; |
2288 | |
2289 | /* Dequeue ACL data received during the interval */ |
2290 | while ((skb = skb_dequeue(list: &data->acl_q))) |
2291 | data->recv_acl(data->hdev, skb); |
2292 | } |
2293 | |
2294 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
2295 | { |
2296 | struct sk_buff *skb; |
2297 | u8 val = 0x00; |
2298 | |
2299 | BT_DBG("%s" , hdev->name); |
2300 | |
2301 | skb = __hci_cmd_sync(hdev, opcode: 0xfc3b, plen: 1, param: &val, HCI_INIT_TIMEOUT); |
2302 | if (IS_ERR(ptr: skb)) |
2303 | bt_dev_err(hdev, "BCM92035 command failed (%ld)" , PTR_ERR(skb)); |
2304 | else |
2305 | kfree_skb(skb); |
2306 | |
2307 | return 0; |
2308 | } |
2309 | |
2310 | static int btusb_setup_csr(struct hci_dev *hdev) |
2311 | { |
2312 | struct btusb_data *data = hci_get_drvdata(hdev); |
2313 | u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice); |
2314 | struct hci_rp_read_local_version *rp; |
2315 | struct sk_buff *skb; |
2316 | bool is_fake = false; |
2317 | int ret; |
2318 | |
2319 | BT_DBG("%s" , hdev->name); |
2320 | |
2321 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, plen: 0, NULL, |
2322 | HCI_INIT_TIMEOUT); |
2323 | if (IS_ERR(ptr: skb)) { |
2324 | int err = PTR_ERR(ptr: skb); |
2325 | bt_dev_err(hdev, "CSR: Local version failed (%d)" , err); |
2326 | return err; |
2327 | } |
2328 | |
2329 | rp = skb_pull_data(skb, len: sizeof(*rp)); |
2330 | if (!rp) { |
2331 | bt_dev_err(hdev, "CSR: Local version length mismatch" ); |
2332 | kfree_skb(skb); |
2333 | return -EIO; |
2334 | } |
2335 | |
2336 | bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x" , |
2337 | rp->hci_ver, le16_to_cpu(rp->hci_rev)); |
2338 | |
2339 | bt_dev_info(hdev, "LMP ver=%u subver=%04x; manufacturer=%u" , |
2340 | rp->lmp_ver, le16_to_cpu(rp->lmp_subver), |
2341 | le16_to_cpu(rp->manufacturer)); |
2342 | |
2343 | /* Detect a wide host of Chinese controllers that aren't CSR. |
2344 | * |
2345 | * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891 |
2346 | * |
2347 | * The main thing they have in common is that these are really popular low-cost |
2348 | * options that support newer Bluetooth versions but rely on heavy VID/PID |
2349 | * squatting of this poor old Bluetooth 1.1 device. Even sold as such. |
2350 | * |
2351 | * We detect actual CSR devices by checking that the HCI manufacturer code |
2352 | * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and |
2353 | * HCI rev values always match. As they both store the firmware number. |
2354 | */ |
2355 | if (le16_to_cpu(rp->manufacturer) != 10 || |
2356 | le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver)) |
2357 | is_fake = true; |
2358 | |
2359 | /* Known legit CSR firmware build numbers and their supported BT versions: |
2360 | * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e |
2361 | * - 1.2 (0x2) -> 0x04d9, 0x0529 |
2362 | * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c |
2363 | * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External) |
2364 | * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb |
2365 | * |
2366 | * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that |
2367 | * support BT 1.1 only; so it's a dead giveaway when some |
2368 | * third-party BT 4.0 dongle reuses it. |
2369 | */ |
2370 | else if (le16_to_cpu(rp->lmp_subver) <= 0x034e && |
2371 | rp->hci_ver > BLUETOOTH_VER_1_1) |
2372 | is_fake = true; |
2373 | |
2374 | else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 && |
2375 | rp->hci_ver > BLUETOOTH_VER_1_2) |
2376 | is_fake = true; |
2377 | |
2378 | else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c && |
2379 | rp->hci_ver > BLUETOOTH_VER_2_0) |
2380 | is_fake = true; |
2381 | |
2382 | else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 && |
2383 | rp->hci_ver > BLUETOOTH_VER_2_1) |
2384 | is_fake = true; |
2385 | |
2386 | else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb && |
2387 | rp->hci_ver > BLUETOOTH_VER_4_0) |
2388 | is_fake = true; |
2389 | |
2390 | /* Other clones which beat all the above checks */ |
2391 | else if (bcdDevice == 0x0134 && |
2392 | le16_to_cpu(rp->lmp_subver) == 0x0c5c && |
2393 | rp->hci_ver == BLUETOOTH_VER_2_0) |
2394 | is_fake = true; |
2395 | |
2396 | if (is_fake) { |
2397 | bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once..." ); |
2398 | |
2399 | /* Generally these clones have big discrepancies between |
2400 | * advertised features and what's actually supported. |
2401 | * Probably will need to be expanded in the future; |
2402 | * without these the controller will lock up. |
2403 | */ |
2404 | set_bit(nr: HCI_QUIRK_BROKEN_STORED_LINK_KEY, addr: &hdev->quirks); |
2405 | set_bit(nr: HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, addr: &hdev->quirks); |
2406 | set_bit(nr: HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL, addr: &hdev->quirks); |
2407 | set_bit(nr: HCI_QUIRK_NO_SUSPEND_NOTIFIER, addr: &hdev->quirks); |
2408 | |
2409 | /* Clear the reset quirk since this is not an actual |
2410 | * early Bluetooth 1.1 device from CSR. |
2411 | */ |
2412 | clear_bit(nr: HCI_QUIRK_RESET_ON_CLOSE, addr: &hdev->quirks); |
2413 | clear_bit(nr: HCI_QUIRK_SIMULTANEOUS_DISCOVERY, addr: &hdev->quirks); |
2414 | |
2415 | /* |
2416 | * Special workaround for these BT 4.0 chip clones, and potentially more: |
2417 | * |
2418 | * - 0x0134: a Barrot 8041a02 (HCI rev: 0x0810 sub: 0x1012) |
2419 | * - 0x7558: IC markings FR3191AHAL 749H15143 (HCI rev/sub-version: 0x0709) |
2420 | * |
2421 | * These controllers are really messed-up. |
2422 | * |
2423 | * 1. Their bulk RX endpoint will never report any data unless |
2424 | * the device was suspended at least once (yes, really). |
2425 | * 2. They will not wakeup when autosuspended and receiving data |
2426 | * on their bulk RX endpoint from e.g. a keyboard or mouse |
2427 | * (IOW remote-wakeup support is broken for the bulk endpoint). |
2428 | * |
2429 | * To fix 1. enable runtime-suspend, force-suspend the |
2430 | * HCI and then wake-it up by disabling runtime-suspend. |
2431 | * |
2432 | * To fix 2. clear the HCI's can_wake flag, this way the HCI |
2433 | * will still be autosuspended when it is not open. |
2434 | * |
2435 | * -- |
2436 | * |
2437 | * Because these are widespread problems we prefer generic solutions; so |
2438 | * apply this initialization quirk to every controller that gets here, |
2439 | * it should be harmless. The alternative is to not work at all. |
2440 | */ |
2441 | pm_runtime_allow(dev: &data->udev->dev); |
2442 | |
2443 | ret = pm_runtime_suspend(dev: &data->udev->dev); |
2444 | if (ret >= 0) |
2445 | msleep(msecs: 200); |
2446 | else |
2447 | bt_dev_warn(hdev, "CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround" ); |
2448 | |
2449 | pm_runtime_forbid(dev: &data->udev->dev); |
2450 | |
2451 | device_set_wakeup_capable(dev: &data->udev->dev, capable: false); |
2452 | |
2453 | /* Re-enable autosuspend if this was requested */ |
2454 | if (enable_autosuspend) |
2455 | usb_enable_autosuspend(udev: data->udev); |
2456 | } |
2457 | |
2458 | kfree_skb(skb); |
2459 | |
2460 | return 0; |
2461 | } |
2462 | |
2463 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
2464 | { |
2465 | struct sk_buff *skb; |
2466 | struct hci_event_hdr *hdr; |
2467 | struct hci_ev_cmd_complete *evt; |
2468 | |
2469 | skb = bt_skb_alloc(len: sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); |
2470 | if (!skb) |
2471 | return -ENOMEM; |
2472 | |
2473 | hdr = skb_put(skb, len: sizeof(*hdr)); |
2474 | hdr->evt = HCI_EV_CMD_COMPLETE; |
2475 | hdr->plen = sizeof(*evt) + 1; |
2476 | |
2477 | evt = skb_put(skb, len: sizeof(*evt)); |
2478 | evt->ncmd = 0x01; |
2479 | evt->opcode = cpu_to_le16(opcode); |
2480 | |
2481 | skb_put_u8(skb, val: 0x00); |
2482 | |
2483 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
2484 | |
2485 | return hci_recv_frame(hdev, skb); |
2486 | } |
2487 | |
2488 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, |
2489 | int count) |
2490 | { |
2491 | struct hci_dev *hdev = data->hdev; |
2492 | |
2493 | /* When the device is in bootloader mode, then it can send |
2494 | * events via the bulk endpoint. These events are treated the |
2495 | * same way as the ones received from the interrupt endpoint. |
2496 | */ |
2497 | if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) |
2498 | return btusb_recv_intr(data, buffer, count); |
2499 | |
2500 | return btusb_recv_bulk(data, buffer, count); |
2501 | } |
2502 | |
2503 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) |
2504 | { |
2505 | struct urb *urb; |
2506 | |
2507 | BT_DBG("%s" , hdev->name); |
2508 | |
2509 | switch (hci_skb_pkt_type(skb)) { |
2510 | case HCI_COMMAND_PKT: |
2511 | if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) { |
2512 | struct hci_command_hdr *cmd = (void *)skb->data; |
2513 | __u16 opcode = le16_to_cpu(cmd->opcode); |
2514 | |
2515 | /* When in bootloader mode and the command 0xfc09 |
2516 | * is received, it needs to be send down the |
2517 | * bulk endpoint. So allocate a bulk URB instead. |
2518 | */ |
2519 | if (opcode == 0xfc09) |
2520 | urb = alloc_bulk_urb(hdev, skb); |
2521 | else |
2522 | urb = alloc_ctrl_urb(hdev, skb); |
2523 | |
2524 | /* When the 0xfc01 command is issued to boot into |
2525 | * the operational firmware, it will actually not |
2526 | * send a command complete event. To keep the flow |
2527 | * control working inject that event here. |
2528 | */ |
2529 | if (opcode == 0xfc01) |
2530 | inject_cmd_complete(hdev, opcode); |
2531 | } else { |
2532 | urb = alloc_ctrl_urb(hdev, skb); |
2533 | } |
2534 | if (IS_ERR(ptr: urb)) |
2535 | return PTR_ERR(ptr: urb); |
2536 | |
2537 | hdev->stat.cmd_tx++; |
2538 | return submit_or_queue_tx_urb(hdev, urb); |
2539 | |
2540 | case HCI_ACLDATA_PKT: |
2541 | urb = alloc_bulk_urb(hdev, skb); |
2542 | if (IS_ERR(ptr: urb)) |
2543 | return PTR_ERR(ptr: urb); |
2544 | |
2545 | hdev->stat.acl_tx++; |
2546 | return submit_or_queue_tx_urb(hdev, urb); |
2547 | |
2548 | case HCI_SCODATA_PKT: |
2549 | if (hci_conn_num(hdev, SCO_LINK) < 1) |
2550 | return -ENODEV; |
2551 | |
2552 | urb = alloc_isoc_urb(hdev, skb); |
2553 | if (IS_ERR(ptr: urb)) |
2554 | return PTR_ERR(ptr: urb); |
2555 | |
2556 | hdev->stat.sco_tx++; |
2557 | return submit_tx_urb(hdev, urb); |
2558 | |
2559 | case HCI_ISODATA_PKT: |
2560 | urb = alloc_bulk_urb(hdev, skb); |
2561 | if (IS_ERR(ptr: urb)) |
2562 | return PTR_ERR(ptr: urb); |
2563 | |
2564 | return submit_or_queue_tx_urb(hdev, urb); |
2565 | } |
2566 | |
2567 | return -EILSEQ; |
2568 | } |
2569 | |
2570 | static int btusb_setup_realtek(struct hci_dev *hdev) |
2571 | { |
2572 | struct btusb_data *data = hci_get_drvdata(hdev); |
2573 | int ret; |
2574 | |
2575 | ret = btrtl_setup_realtek(hdev); |
2576 | |
2577 | if (btrealtek_test_flag(data->hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP)) |
2578 | set_bit(BTUSB_ALT6_CONTINUOUS_TX, addr: &data->flags); |
2579 | |
2580 | return ret; |
2581 | } |
2582 | |
2583 | static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb) |
2584 | { |
2585 | if (skb->data[0] == HCI_VENDOR_PKT && skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) { |
2586 | struct rtk_dev_coredump_hdr hdr = { |
2587 | .code = RTK_DEVCOREDUMP_CODE_MEMDUMP, |
2588 | }; |
2589 | |
2590 | bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u" , |
2591 | skb->len); |
2592 | |
2593 | btusb_rtl_alloc_devcoredump(hdev, hdr: &hdr, buf: skb->data, len: skb->len); |
2594 | kfree_skb(skb); |
2595 | |
2596 | return 0; |
2597 | } |
2598 | |
2599 | return hci_recv_frame(hdev, skb); |
2600 | } |
2601 | |
2602 | /* UHW CR mapping */ |
2603 | #define MTK_BT_MISC 0x70002510 |
2604 | #define MTK_BT_SUBSYS_RST 0x70002610 |
2605 | #define MTK_UDMA_INT_STA_BT 0x74000024 |
2606 | #define MTK_UDMA_INT_STA_BT1 0x74000308 |
2607 | #define MTK_BT_WDT_STATUS 0x740003A0 |
2608 | #define MTK_EP_RST_OPT 0x74011890 |
2609 | #define MTK_EP_RST_IN_OUT_OPT 0x00010001 |
2610 | #define MTK_BT_RST_DONE 0x00000100 |
2611 | #define MTK_BT_RESET_REG_CONNV3 0x70028610 |
2612 | #define MTK_BT_READ_DEV_ID 0x70010200 |
2613 | |
2614 | |
2615 | static void btusb_mtk_wmt_recv(struct urb *urb) |
2616 | { |
2617 | struct hci_dev *hdev = urb->context; |
2618 | struct btusb_data *data = hci_get_drvdata(hdev); |
2619 | struct sk_buff *skb; |
2620 | int err; |
2621 | |
2622 | if (urb->status == 0 && urb->actual_length > 0) { |
2623 | hdev->stat.byte_rx += urb->actual_length; |
2624 | |
2625 | /* WMT event shouldn't be fragmented and the size should be |
2626 | * less than HCI_WMT_MAX_EVENT_SIZE. |
2627 | */ |
2628 | skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC); |
2629 | if (!skb) { |
2630 | hdev->stat.err_rx++; |
2631 | kfree(objp: urb->setup_packet); |
2632 | return; |
2633 | } |
2634 | |
2635 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
2636 | skb_put_data(skb, data: urb->transfer_buffer, len: urb->actual_length); |
2637 | |
2638 | /* When someone waits for the WMT event, the skb is being cloned |
2639 | * and being processed the events from there then. |
2640 | */ |
2641 | if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) { |
2642 | data->evt_skb = skb_clone(skb, GFP_ATOMIC); |
2643 | if (!data->evt_skb) { |
2644 | kfree_skb(skb); |
2645 | kfree(objp: urb->setup_packet); |
2646 | return; |
2647 | } |
2648 | } |
2649 | |
2650 | err = hci_recv_frame(hdev, skb); |
2651 | if (err < 0) { |
2652 | kfree_skb(skb: data->evt_skb); |
2653 | data->evt_skb = NULL; |
2654 | kfree(objp: urb->setup_packet); |
2655 | return; |
2656 | } |
2657 | |
2658 | if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT, |
2659 | addr: &data->flags)) { |
2660 | /* Barrier to sync with other CPUs */ |
2661 | smp_mb__after_atomic(); |
2662 | wake_up_bit(word: &data->flags, |
2663 | BTUSB_TX_WAIT_VND_EVT); |
2664 | } |
2665 | kfree(objp: urb->setup_packet); |
2666 | return; |
2667 | } else if (urb->status == -ENOENT) { |
2668 | /* Avoid suspend failed when usb_kill_urb */ |
2669 | return; |
2670 | } |
2671 | |
2672 | usb_mark_last_busy(udev: data->udev); |
2673 | |
2674 | /* The URB complete handler is still called with urb->actual_length = 0 |
2675 | * when the event is not available, so we should keep re-submitting |
2676 | * URB until WMT event returns, Also, It's necessary to wait some time |
2677 | * between the two consecutive control URBs to relax the target device |
2678 | * to generate the event. Otherwise, the WMT event cannot return from |
2679 | * the device successfully. |
2680 | */ |
2681 | udelay(500); |
2682 | |
2683 | usb_anchor_urb(urb, anchor: &data->ctrl_anchor); |
2684 | err = usb_submit_urb(urb, GFP_ATOMIC); |
2685 | if (err < 0) { |
2686 | kfree(objp: urb->setup_packet); |
2687 | /* -EPERM: urb is being killed; |
2688 | * -ENODEV: device got disconnected |
2689 | */ |
2690 | if (err != -EPERM && err != -ENODEV) |
2691 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)" , |
2692 | urb, -err); |
2693 | usb_unanchor_urb(urb); |
2694 | } |
2695 | } |
2696 | |
2697 | static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev) |
2698 | { |
2699 | struct btusb_data *data = hci_get_drvdata(hdev); |
2700 | struct usb_ctrlrequest *dr; |
2701 | unsigned char *buf; |
2702 | int err, size = 64; |
2703 | unsigned int pipe; |
2704 | struct urb *urb; |
2705 | |
2706 | urb = usb_alloc_urb(iso_packets: 0, GFP_KERNEL); |
2707 | if (!urb) |
2708 | return -ENOMEM; |
2709 | |
2710 | dr = kmalloc(size: sizeof(*dr), GFP_KERNEL); |
2711 | if (!dr) { |
2712 | usb_free_urb(urb); |
2713 | return -ENOMEM; |
2714 | } |
2715 | |
2716 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN; |
2717 | dr->bRequest = 1; |
2718 | dr->wIndex = cpu_to_le16(0); |
2719 | dr->wValue = cpu_to_le16(48); |
2720 | dr->wLength = cpu_to_le16(size); |
2721 | |
2722 | buf = kmalloc(size, GFP_KERNEL); |
2723 | if (!buf) { |
2724 | kfree(objp: dr); |
2725 | usb_free_urb(urb); |
2726 | return -ENOMEM; |
2727 | } |
2728 | |
2729 | pipe = usb_rcvctrlpipe(data->udev, 0); |
2730 | |
2731 | usb_fill_control_urb(urb, dev: data->udev, pipe, setup_packet: (void *)dr, |
2732 | transfer_buffer: buf, buffer_length: size, complete_fn: btusb_mtk_wmt_recv, context: hdev); |
2733 | |
2734 | urb->transfer_flags |= URB_FREE_BUFFER; |
2735 | |
2736 | usb_anchor_urb(urb, anchor: &data->ctrl_anchor); |
2737 | err = usb_submit_urb(urb, GFP_KERNEL); |
2738 | if (err < 0) { |
2739 | if (err != -EPERM && err != -ENODEV) |
2740 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
2741 | urb, -err); |
2742 | usb_unanchor_urb(urb); |
2743 | } |
2744 | |
2745 | usb_free_urb(urb); |
2746 | |
2747 | return err; |
2748 | } |
2749 | |
2750 | static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev, |
2751 | struct btmtk_hci_wmt_params *wmt_params) |
2752 | { |
2753 | struct btusb_data *data = hci_get_drvdata(hdev); |
2754 | struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc; |
2755 | u32 hlen, status = BTMTK_WMT_INVALID; |
2756 | struct btmtk_hci_wmt_evt *wmt_evt; |
2757 | struct btmtk_hci_wmt_cmd *wc; |
2758 | struct btmtk_wmt_hdr *hdr; |
2759 | int err; |
2760 | |
2761 | /* Send the WMT command and wait until the WMT event returns */ |
2762 | hlen = sizeof(*hdr) + wmt_params->dlen; |
2763 | if (hlen > 255) |
2764 | return -EINVAL; |
2765 | |
2766 | wc = kzalloc(size: hlen, GFP_KERNEL); |
2767 | if (!wc) |
2768 | return -ENOMEM; |
2769 | |
2770 | hdr = &wc->hdr; |
2771 | hdr->dir = 1; |
2772 | hdr->op = wmt_params->op; |
2773 | hdr->dlen = cpu_to_le16(wmt_params->dlen + 1); |
2774 | hdr->flag = wmt_params->flag; |
2775 | memcpy(wc->data, wmt_params->data, wmt_params->dlen); |
2776 | |
2777 | set_bit(BTUSB_TX_WAIT_VND_EVT, addr: &data->flags); |
2778 | |
2779 | /* WMT cmd/event doesn't follow up the generic HCI cmd/event handling, |
2780 | * it needs constantly polling control pipe until the host received the |
2781 | * WMT event, thus, we should require to specifically acquire PM counter |
2782 | * on the USB to prevent the interface from entering auto suspended |
2783 | * while WMT cmd/event in progress. |
2784 | */ |
2785 | err = usb_autopm_get_interface(intf: data->intf); |
2786 | if (err < 0) |
2787 | goto err_free_wc; |
2788 | |
2789 | err = __hci_cmd_send(hdev, opcode: 0xfc6f, plen: hlen, param: wc); |
2790 | |
2791 | if (err < 0) { |
2792 | clear_bit(BTUSB_TX_WAIT_VND_EVT, addr: &data->flags); |
2793 | usb_autopm_put_interface(intf: data->intf); |
2794 | goto err_free_wc; |
2795 | } |
2796 | |
2797 | /* Submit control IN URB on demand to process the WMT event */ |
2798 | err = btusb_mtk_submit_wmt_recv_urb(hdev); |
2799 | |
2800 | usb_autopm_put_interface(intf: data->intf); |
2801 | |
2802 | if (err < 0) |
2803 | goto err_free_wc; |
2804 | |
2805 | /* The vendor specific WMT commands are all answered by a vendor |
2806 | * specific event and will have the Command Status or Command |
2807 | * Complete as with usual HCI command flow control. |
2808 | * |
2809 | * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT |
2810 | * state to be cleared. The driver specific event receive routine |
2811 | * will clear that state and with that indicate completion of the |
2812 | * WMT command. |
2813 | */ |
2814 | err = wait_on_bit_timeout(word: &data->flags, BTUSB_TX_WAIT_VND_EVT, |
2815 | TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT); |
2816 | if (err == -EINTR) { |
2817 | bt_dev_err(hdev, "Execution of wmt command interrupted" ); |
2818 | clear_bit(BTUSB_TX_WAIT_VND_EVT, addr: &data->flags); |
2819 | goto err_free_wc; |
2820 | } |
2821 | |
2822 | if (err) { |
2823 | bt_dev_err(hdev, "Execution of wmt command timed out" ); |
2824 | clear_bit(BTUSB_TX_WAIT_VND_EVT, addr: &data->flags); |
2825 | err = -ETIMEDOUT; |
2826 | goto err_free_wc; |
2827 | } |
2828 | |
2829 | if (data->evt_skb == NULL) |
2830 | goto err_free_wc; |
2831 | |
2832 | /* Parse and handle the return WMT event */ |
2833 | wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data; |
2834 | if (wmt_evt->whdr.op != hdr->op) { |
2835 | bt_dev_err(hdev, "Wrong op received %d expected %d" , |
2836 | wmt_evt->whdr.op, hdr->op); |
2837 | err = -EIO; |
2838 | goto err_free_skb; |
2839 | } |
2840 | |
2841 | switch (wmt_evt->whdr.op) { |
2842 | case BTMTK_WMT_SEMAPHORE: |
2843 | if (wmt_evt->whdr.flag == 2) |
2844 | status = BTMTK_WMT_PATCH_UNDONE; |
2845 | else |
2846 | status = BTMTK_WMT_PATCH_DONE; |
2847 | break; |
2848 | case BTMTK_WMT_FUNC_CTRL: |
2849 | wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt; |
2850 | if (be16_to_cpu(wmt_evt_funcc->status) == 0x404) |
2851 | status = BTMTK_WMT_ON_DONE; |
2852 | else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420) |
2853 | status = BTMTK_WMT_ON_PROGRESS; |
2854 | else |
2855 | status = BTMTK_WMT_ON_UNDONE; |
2856 | break; |
2857 | case BTMTK_WMT_PATCH_DWNLD: |
2858 | if (wmt_evt->whdr.flag == 2) |
2859 | status = BTMTK_WMT_PATCH_DONE; |
2860 | else if (wmt_evt->whdr.flag == 1) |
2861 | status = BTMTK_WMT_PATCH_PROGRESS; |
2862 | else |
2863 | status = BTMTK_WMT_PATCH_UNDONE; |
2864 | break; |
2865 | } |
2866 | |
2867 | if (wmt_params->status) |
2868 | *wmt_params->status = status; |
2869 | |
2870 | err_free_skb: |
2871 | kfree_skb(skb: data->evt_skb); |
2872 | data->evt_skb = NULL; |
2873 | err_free_wc: |
2874 | kfree(objp: wc); |
2875 | return err; |
2876 | } |
2877 | |
2878 | static int btusb_mtk_func_query(struct hci_dev *hdev) |
2879 | { |
2880 | struct btmtk_hci_wmt_params wmt_params; |
2881 | int status, err; |
2882 | u8 param = 0; |
2883 | |
2884 | /* Query whether the function is enabled */ |
2885 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; |
2886 | wmt_params.flag = 4; |
2887 | wmt_params.dlen = sizeof(param); |
2888 | wmt_params.data = ¶m; |
2889 | wmt_params.status = &status; |
2890 | |
2891 | err = btusb_mtk_hci_wmt_sync(hdev, wmt_params: &wmt_params); |
2892 | if (err < 0) { |
2893 | bt_dev_err(hdev, "Failed to query function status (%d)" , err); |
2894 | return err; |
2895 | } |
2896 | |
2897 | return status; |
2898 | } |
2899 | |
2900 | static int btusb_mtk_uhw_reg_write(struct btusb_data *data, u32 reg, u32 val) |
2901 | { |
2902 | struct hci_dev *hdev = data->hdev; |
2903 | int pipe, err; |
2904 | void *buf; |
2905 | |
2906 | buf = kzalloc(size: 4, GFP_KERNEL); |
2907 | if (!buf) |
2908 | return -ENOMEM; |
2909 | |
2910 | put_unaligned_le32(val, p: buf); |
2911 | |
2912 | pipe = usb_sndctrlpipe(data->udev, 0); |
2913 | err = usb_control_msg(dev: data->udev, pipe, request: 0x02, |
2914 | requesttype: 0x5E, |
2915 | value: reg >> 16, index: reg & 0xffff, |
2916 | data: buf, size: 4, USB_CTRL_SET_TIMEOUT); |
2917 | if (err < 0) { |
2918 | bt_dev_err(hdev, "Failed to write uhw reg(%d)" , err); |
2919 | goto err_free_buf; |
2920 | } |
2921 | |
2922 | err_free_buf: |
2923 | kfree(objp: buf); |
2924 | |
2925 | return err; |
2926 | } |
2927 | |
2928 | static int btusb_mtk_uhw_reg_read(struct btusb_data *data, u32 reg, u32 *val) |
2929 | { |
2930 | struct hci_dev *hdev = data->hdev; |
2931 | int pipe, err; |
2932 | void *buf; |
2933 | |
2934 | buf = kzalloc(size: 4, GFP_KERNEL); |
2935 | if (!buf) |
2936 | return -ENOMEM; |
2937 | |
2938 | pipe = usb_rcvctrlpipe(data->udev, 0); |
2939 | err = usb_control_msg(dev: data->udev, pipe, request: 0x01, |
2940 | requesttype: 0xDE, |
2941 | value: reg >> 16, index: reg & 0xffff, |
2942 | data: buf, size: 4, USB_CTRL_SET_TIMEOUT); |
2943 | if (err < 0) { |
2944 | bt_dev_err(hdev, "Failed to read uhw reg(%d)" , err); |
2945 | goto err_free_buf; |
2946 | } |
2947 | |
2948 | *val = get_unaligned_le32(p: buf); |
2949 | bt_dev_dbg(hdev, "reg=%x, value=0x%08x" , reg, *val); |
2950 | |
2951 | err_free_buf: |
2952 | kfree(objp: buf); |
2953 | |
2954 | return err; |
2955 | } |
2956 | |
2957 | static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val) |
2958 | { |
2959 | int pipe, err, size = sizeof(u32); |
2960 | void *buf; |
2961 | |
2962 | buf = kzalloc(size, GFP_KERNEL); |
2963 | if (!buf) |
2964 | return -ENOMEM; |
2965 | |
2966 | pipe = usb_rcvctrlpipe(data->udev, 0); |
2967 | err = usb_control_msg(dev: data->udev, pipe, request: 0x63, |
2968 | USB_TYPE_VENDOR | USB_DIR_IN, |
2969 | value: reg >> 16, index: reg & 0xffff, |
2970 | data: buf, size, USB_CTRL_SET_TIMEOUT); |
2971 | if (err < 0) |
2972 | goto err_free_buf; |
2973 | |
2974 | *val = get_unaligned_le32(p: buf); |
2975 | |
2976 | err_free_buf: |
2977 | kfree(objp: buf); |
2978 | |
2979 | return err; |
2980 | } |
2981 | |
2982 | static int btusb_mtk_id_get(struct btusb_data *data, u32 reg, u32 *id) |
2983 | { |
2984 | return btusb_mtk_reg_read(data, reg, val: id); |
2985 | } |
2986 | |
2987 | static u32 btusb_mtk_reset_done(struct hci_dev *hdev) |
2988 | { |
2989 | struct btusb_data *data = hci_get_drvdata(hdev); |
2990 | u32 val = 0; |
2991 | |
2992 | btusb_mtk_uhw_reg_read(data, MTK_BT_MISC, val: &val); |
2993 | |
2994 | return val & MTK_BT_RST_DONE; |
2995 | } |
2996 | |
2997 | static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) |
2998 | { |
2999 | struct btusb_data *data = hci_get_drvdata(hdev); |
3000 | struct btmediatek_data *mediatek; |
3001 | u32 val; |
3002 | int err; |
3003 | |
3004 | /* It's MediaTek specific bluetooth reset mechanism via USB */ |
3005 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, addr: &data->flags)) { |
3006 | bt_dev_err(hdev, "last reset failed? Not resetting again" ); |
3007 | return -EBUSY; |
3008 | } |
3009 | |
3010 | err = usb_autopm_get_interface(intf: data->intf); |
3011 | if (err < 0) |
3012 | return err; |
3013 | |
3014 | btusb_stop_traffic(data); |
3015 | usb_kill_anchored_urbs(anchor: &data->tx_anchor); |
3016 | mediatek = hci_get_priv(hdev); |
3017 | |
3018 | if (mediatek->dev_id == 0x7925) { |
3019 | btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, val: &val); |
3020 | val |= (1 << 5); |
3021 | btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val); |
3022 | btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, val: &val); |
3023 | val &= 0xFFFF00FF; |
3024 | val |= (1 << 13); |
3025 | btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val); |
3026 | btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, val: 0x00010001); |
3027 | btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, val: &val); |
3028 | val |= (1 << 0); |
3029 | btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val); |
3030 | btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, val: 0x000000FF); |
3031 | btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, val: &val); |
3032 | btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, val: 0x000000FF); |
3033 | btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, val: &val); |
3034 | msleep(msecs: 100); |
3035 | } else { |
3036 | /* It's Device EndPoint Reset Option Register */ |
3037 | bt_dev_dbg(hdev, "Initiating reset mechanism via uhw" ); |
3038 | btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT); |
3039 | btusb_mtk_uhw_reg_read(data, MTK_BT_WDT_STATUS, val: &val); |
3040 | |
3041 | /* Reset the bluetooth chip via USB interface. */ |
3042 | btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, val: 1); |
3043 | btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, val: 0x000000FF); |
3044 | btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, val: &val); |
3045 | btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, val: 0x000000FF); |
3046 | btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, val: &val); |
3047 | /* MT7921 need to delay 20ms between toggle reset bit */ |
3048 | msleep(msecs: 20); |
3049 | btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, val: 0); |
3050 | btusb_mtk_uhw_reg_read(data, MTK_BT_SUBSYS_RST, val: &val); |
3051 | } |
3052 | |
3053 | err = readx_poll_timeout(btusb_mtk_reset_done, hdev, val, |
3054 | val & MTK_BT_RST_DONE, 20000, 1000000); |
3055 | if (err < 0) |
3056 | bt_dev_err(hdev, "Reset timeout" ); |
3057 | |
3058 | btusb_mtk_id_get(data, reg: 0x70010200, id: &val); |
3059 | if (!val) |
3060 | bt_dev_err(hdev, "Can't get device id, subsys reset fail." ); |
3061 | |
3062 | usb_queue_reset_device(dev: data->intf); |
3063 | |
3064 | clear_bit(BTUSB_HW_RESET_ACTIVE, addr: &data->flags); |
3065 | |
3066 | return err; |
3067 | } |
3068 | |
3069 | static int btusb_mtk_setup(struct hci_dev *hdev) |
3070 | { |
3071 | struct btusb_data *data = hci_get_drvdata(hdev); |
3072 | struct btmtk_hci_wmt_params wmt_params; |
3073 | ktime_t calltime, delta, rettime; |
3074 | struct btmtk_tci_sleep tci_sleep; |
3075 | unsigned long long duration; |
3076 | struct sk_buff *skb; |
3077 | const char *fwname; |
3078 | int err, status; |
3079 | u32 dev_id = 0; |
3080 | char fw_bin_name[64]; |
3081 | u32 fw_version = 0; |
3082 | u8 param; |
3083 | struct btmediatek_data *mediatek; |
3084 | |
3085 | calltime = ktime_get(); |
3086 | |
3087 | err = btusb_mtk_id_get(data, reg: 0x80000008, id: &dev_id); |
3088 | if (err < 0) { |
3089 | bt_dev_err(hdev, "Failed to get device id (%d)" , err); |
3090 | return err; |
3091 | } |
3092 | |
3093 | if (!dev_id || dev_id != 0x7663) { |
3094 | err = btusb_mtk_id_get(data, reg: 0x70010200, id: &dev_id); |
3095 | if (err < 0) { |
3096 | bt_dev_err(hdev, "Failed to get device id (%d)" , err); |
3097 | return err; |
3098 | } |
3099 | err = btusb_mtk_id_get(data, reg: 0x80021004, id: &fw_version); |
3100 | if (err < 0) { |
3101 | bt_dev_err(hdev, "Failed to get fw version (%d)" , err); |
3102 | return err; |
3103 | } |
3104 | } |
3105 | |
3106 | mediatek = hci_get_priv(hdev); |
3107 | mediatek->dev_id = dev_id; |
3108 | mediatek->reset_sync = btusb_mtk_reset; |
3109 | |
3110 | err = btmtk_register_coredump(hdev, name: btusb_driver.name, fw_version); |
3111 | if (err < 0) |
3112 | bt_dev_err(hdev, "Failed to register coredump (%d)" , err); |
3113 | |
3114 | switch (dev_id) { |
3115 | case 0x7663: |
3116 | fwname = FIRMWARE_MT7663; |
3117 | break; |
3118 | case 0x7668: |
3119 | fwname = FIRMWARE_MT7668; |
3120 | break; |
3121 | case 0x7922: |
3122 | case 0x7961: |
3123 | case 0x7925: |
3124 | if (dev_id == 0x7925) |
3125 | snprintf(buf: fw_bin_name, size: sizeof(fw_bin_name), |
3126 | fmt: "mediatek/mt%04x/BT_RAM_CODE_MT%04x_1_%x_hdr.bin" , |
3127 | dev_id & 0xffff, dev_id & 0xffff, (fw_version & 0xff) + 1); |
3128 | else |
3129 | snprintf(buf: fw_bin_name, size: sizeof(fw_bin_name), |
3130 | fmt: "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin" , |
3131 | dev_id & 0xffff, (fw_version & 0xff) + 1); |
3132 | |
3133 | err = btmtk_setup_firmware_79xx(hdev, fwname: fw_bin_name, |
3134 | wmt_cmd_sync: btusb_mtk_hci_wmt_sync); |
3135 | if (err < 0) { |
3136 | bt_dev_err(hdev, "Failed to set up firmware (%d)" , err); |
3137 | return err; |
3138 | } |
3139 | |
3140 | /* It's Device EndPoint Reset Option Register */ |
3141 | btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT); |
3142 | |
3143 | /* Enable Bluetooth protocol */ |
3144 | param = 1; |
3145 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; |
3146 | wmt_params.flag = 0; |
3147 | wmt_params.dlen = sizeof(param); |
3148 | wmt_params.data = ¶m; |
3149 | wmt_params.status = NULL; |
3150 | |
3151 | err = btusb_mtk_hci_wmt_sync(hdev, wmt_params: &wmt_params); |
3152 | if (err < 0) { |
3153 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)" , err); |
3154 | return err; |
3155 | } |
3156 | |
3157 | hci_set_msft_opcode(hdev, opcode: 0xFD30); |
3158 | hci_set_aosp_capable(hdev); |
3159 | goto done; |
3160 | default: |
3161 | bt_dev_err(hdev, "Unsupported hardware variant (%08x)" , |
3162 | dev_id); |
3163 | return -ENODEV; |
3164 | } |
3165 | |
3166 | /* Query whether the firmware is already download */ |
3167 | wmt_params.op = BTMTK_WMT_SEMAPHORE; |
3168 | wmt_params.flag = 1; |
3169 | wmt_params.dlen = 0; |
3170 | wmt_params.data = NULL; |
3171 | wmt_params.status = &status; |
3172 | |
3173 | err = btusb_mtk_hci_wmt_sync(hdev, wmt_params: &wmt_params); |
3174 | if (err < 0) { |
3175 | bt_dev_err(hdev, "Failed to query firmware status (%d)" , err); |
3176 | return err; |
3177 | } |
3178 | |
3179 | if (status == BTMTK_WMT_PATCH_DONE) { |
3180 | bt_dev_info(hdev, "firmware already downloaded" ); |
3181 | goto ignore_setup_fw; |
3182 | } |
3183 | |
3184 | /* Setup a firmware which the device definitely requires */ |
3185 | err = btmtk_setup_firmware(hdev, fwname, |
3186 | wmt_cmd_sync: btusb_mtk_hci_wmt_sync); |
3187 | if (err < 0) |
3188 | return err; |
3189 | |
3190 | ignore_setup_fw: |
3191 | err = readx_poll_timeout(btusb_mtk_func_query, hdev, status, |
3192 | status < 0 || status != BTMTK_WMT_ON_PROGRESS, |
3193 | 2000, 5000000); |
3194 | /* -ETIMEDOUT happens */ |
3195 | if (err < 0) |
3196 | return err; |
3197 | |
3198 | /* The other errors happen in btusb_mtk_func_query */ |
3199 | if (status < 0) |
3200 | return status; |
3201 | |
3202 | if (status == BTMTK_WMT_ON_DONE) { |
3203 | bt_dev_info(hdev, "function already on" ); |
3204 | goto ignore_func_on; |
3205 | } |
3206 | |
3207 | /* Enable Bluetooth protocol */ |
3208 | param = 1; |
3209 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; |
3210 | wmt_params.flag = 0; |
3211 | wmt_params.dlen = sizeof(param); |
3212 | wmt_params.data = ¶m; |
3213 | wmt_params.status = NULL; |
3214 | |
3215 | err = btusb_mtk_hci_wmt_sync(hdev, wmt_params: &wmt_params); |
3216 | if (err < 0) { |
3217 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)" , err); |
3218 | return err; |
3219 | } |
3220 | |
3221 | ignore_func_on: |
3222 | /* Apply the low power environment setup */ |
3223 | tci_sleep.mode = 0x5; |
3224 | tci_sleep.duration = cpu_to_le16(0x640); |
3225 | tci_sleep.host_duration = cpu_to_le16(0x640); |
3226 | tci_sleep.host_wakeup_pin = 0; |
3227 | tci_sleep.time_compensation = 0; |
3228 | |
3229 | skb = __hci_cmd_sync(hdev, opcode: 0xfc7a, plen: sizeof(tci_sleep), param: &tci_sleep, |
3230 | HCI_INIT_TIMEOUT); |
3231 | if (IS_ERR(ptr: skb)) { |
3232 | err = PTR_ERR(ptr: skb); |
3233 | bt_dev_err(hdev, "Failed to apply low power setting (%d)" , err); |
3234 | return err; |
3235 | } |
3236 | kfree_skb(skb); |
3237 | |
3238 | done: |
3239 | rettime = ktime_get(); |
3240 | delta = ktime_sub(rettime, calltime); |
3241 | duration = (unsigned long long)ktime_to_ns(kt: delta) >> 10; |
3242 | |
3243 | bt_dev_info(hdev, "Device setup in %llu usecs" , duration); |
3244 | |
3245 | return 0; |
3246 | } |
3247 | |
3248 | static int btusb_mtk_shutdown(struct hci_dev *hdev) |
3249 | { |
3250 | struct btmtk_hci_wmt_params wmt_params; |
3251 | u8 param = 0; |
3252 | int err; |
3253 | |
3254 | /* Disable the device */ |
3255 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; |
3256 | wmt_params.flag = 0; |
3257 | wmt_params.dlen = sizeof(param); |
3258 | wmt_params.data = ¶m; |
3259 | wmt_params.status = NULL; |
3260 | |
3261 | err = btusb_mtk_hci_wmt_sync(hdev, wmt_params: &wmt_params); |
3262 | if (err < 0) { |
3263 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)" , err); |
3264 | return err; |
3265 | } |
3266 | |
3267 | return 0; |
3268 | } |
3269 | |
3270 | static int btusb_recv_acl_mtk(struct hci_dev *hdev, struct sk_buff *skb) |
3271 | { |
3272 | struct btusb_data *data = hci_get_drvdata(hdev); |
3273 | u16 handle = le16_to_cpu(hci_acl_hdr(skb)->handle); |
3274 | struct sk_buff *skb_cd; |
3275 | |
3276 | switch (handle) { |
3277 | case 0xfc6f: /* Firmware dump from device */ |
3278 | /* When the firmware hangs, the device can no longer |
3279 | * suspend and thus disable auto-suspend. |
3280 | */ |
3281 | usb_disable_autosuspend(udev: data->udev); |
3282 | |
3283 | /* We need to forward the diagnostic packet to userspace daemon |
3284 | * for backward compatibility, so we have to clone the packet |
3285 | * extraly for the in-kernel coredump support. |
3286 | */ |
3287 | skb_cd = skb_clone(skb, GFP_ATOMIC); |
3288 | if (skb_cd) |
3289 | btmtk_process_coredump(hdev, skb: skb_cd); |
3290 | |
3291 | fallthrough; |
3292 | case 0x05ff: /* Firmware debug logging 1 */ |
3293 | case 0x05fe: /* Firmware debug logging 2 */ |
3294 | return hci_recv_diag(hdev, skb); |
3295 | } |
3296 | |
3297 | return hci_recv_frame(hdev, skb); |
3298 | } |
3299 | |
3300 | #ifdef CONFIG_PM |
3301 | /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ |
3302 | static int marvell_config_oob_wake(struct hci_dev *hdev) |
3303 | { |
3304 | struct sk_buff *skb; |
3305 | struct btusb_data *data = hci_get_drvdata(hdev); |
3306 | struct device *dev = &data->udev->dev; |
3307 | u16 pin, gap, opcode; |
3308 | int ret; |
3309 | u8 cmd[5]; |
3310 | |
3311 | /* Move on if no wakeup pin specified */ |
3312 | if (of_property_read_u16(np: dev->of_node, propname: "marvell,wakeup-pin" , out_value: &pin) || |
3313 | of_property_read_u16(np: dev->of_node, propname: "marvell,wakeup-gap-ms" , out_value: &gap)) |
3314 | return 0; |
3315 | |
3316 | /* Vendor specific command to configure a GPIO as wake-up pin */ |
3317 | opcode = hci_opcode_pack(0x3F, 0x59); |
3318 | cmd[0] = opcode & 0xFF; |
3319 | cmd[1] = opcode >> 8; |
3320 | cmd[2] = 2; /* length of parameters that follow */ |
3321 | cmd[3] = pin; |
3322 | cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ |
3323 | |
3324 | skb = bt_skb_alloc(len: sizeof(cmd), GFP_KERNEL); |
3325 | if (!skb) { |
3326 | bt_dev_err(hdev, "%s: No memory" , __func__); |
3327 | return -ENOMEM; |
3328 | } |
3329 | |
3330 | skb_put_data(skb, data: cmd, len: sizeof(cmd)); |
3331 | hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; |
3332 | |
3333 | ret = btusb_send_frame(hdev, skb); |
3334 | if (ret) { |
3335 | bt_dev_err(hdev, "%s: configuration failed" , __func__); |
3336 | kfree_skb(skb); |
3337 | return ret; |
3338 | } |
3339 | |
3340 | return 0; |
3341 | } |
3342 | #endif |
3343 | |
3344 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
3345 | const bdaddr_t *bdaddr) |
3346 | { |
3347 | struct sk_buff *skb; |
3348 | u8 buf[8]; |
3349 | long ret; |
3350 | |
3351 | buf[0] = 0xfe; |
3352 | buf[1] = sizeof(bdaddr_t); |
3353 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); |
3354 | |
3355 | skb = __hci_cmd_sync(hdev, opcode: 0xfc22, plen: sizeof(buf), param: buf, HCI_INIT_TIMEOUT); |
3356 | if (IS_ERR(ptr: skb)) { |
3357 | ret = PTR_ERR(ptr: skb); |
3358 | bt_dev_err(hdev, "changing Marvell device address failed (%ld)" , |
3359 | ret); |
3360 | return ret; |
3361 | } |
3362 | kfree_skb(skb); |
3363 | |
3364 | return 0; |
3365 | } |
3366 | |
3367 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
3368 | const bdaddr_t *bdaddr) |
3369 | { |
3370 | struct sk_buff *skb; |
3371 | u8 buf[10]; |
3372 | long ret; |
3373 | |
3374 | buf[0] = 0x01; |
3375 | buf[1] = 0x01; |
3376 | buf[2] = 0x00; |
3377 | buf[3] = sizeof(bdaddr_t); |
3378 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); |
3379 | |
3380 | skb = __hci_cmd_sync(hdev, opcode: 0xfc0b, plen: sizeof(buf), param: buf, HCI_INIT_TIMEOUT); |
3381 | if (IS_ERR(ptr: skb)) { |
3382 | ret = PTR_ERR(ptr: skb); |
3383 | bt_dev_err(hdev, "Change address command failed (%ld)" , ret); |
3384 | return ret; |
3385 | } |
3386 | kfree_skb(skb); |
3387 | |
3388 | return 0; |
3389 | } |
3390 | |
3391 | static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, |
3392 | const bdaddr_t *bdaddr) |
3393 | { |
3394 | struct sk_buff *skb; |
3395 | u8 buf[6]; |
3396 | long ret; |
3397 | |
3398 | memcpy(buf, bdaddr, sizeof(bdaddr_t)); |
3399 | |
3400 | skb = __hci_cmd_sync_ev(hdev, opcode: 0xfc14, plen: sizeof(buf), param: buf, |
3401 | HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); |
3402 | if (IS_ERR(ptr: skb)) { |
3403 | ret = PTR_ERR(ptr: skb); |
3404 | bt_dev_err(hdev, "Change address command failed (%ld)" , ret); |
3405 | return ret; |
3406 | } |
3407 | kfree_skb(skb); |
3408 | |
3409 | return 0; |
3410 | } |
3411 | |
3412 | #define QCA_MEMDUMP_ACL_HANDLE 0x2EDD |
3413 | #define QCA_MEMDUMP_SIZE_MAX 0x100000 |
3414 | #define QCA_MEMDUMP_VSE_CLASS 0x01 |
3415 | #define QCA_MEMDUMP_MSG_TYPE 0x08 |
3416 | #define QCA_MEMDUMP_PKT_SIZE 248 |
3417 | #define QCA_LAST_SEQUENCE_NUM 0xffff |
3418 | |
3419 | struct qca_dump_hdr { |
3420 | u8 vse_class; |
3421 | u8 msg_type; |
3422 | __le16 seqno; |
3423 | u8 reserved; |
3424 | union { |
3425 | u8 data[0]; |
3426 | struct { |
3427 | __le32 ram_dump_size; |
3428 | u8 data0[0]; |
3429 | } __packed; |
3430 | }; |
3431 | } __packed; |
3432 | |
3433 | |
3434 | static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb) |
3435 | { |
3436 | char buf[128]; |
3437 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
3438 | |
3439 | snprintf(buf, size: sizeof(buf), fmt: "Controller Name: 0x%x\n" , |
3440 | btdata->qca_dump.controller_id); |
3441 | skb_put_data(skb, data: buf, strlen(buf)); |
3442 | |
3443 | snprintf(buf, size: sizeof(buf), fmt: "Firmware Version: 0x%x\n" , |
3444 | btdata->qca_dump.fw_version); |
3445 | skb_put_data(skb, data: buf, strlen(buf)); |
3446 | |
3447 | snprintf(buf, size: sizeof(buf), fmt: "Driver: %s\nVendor: qca\n" , |
3448 | btusb_driver.name); |
3449 | skb_put_data(skb, data: buf, strlen(buf)); |
3450 | |
3451 | snprintf(buf, size: sizeof(buf), fmt: "VID: 0x%x\nPID:0x%x\n" , |
3452 | btdata->qca_dump.id_vendor, btdata->qca_dump.id_product); |
3453 | skb_put_data(skb, data: buf, strlen(buf)); |
3454 | |
3455 | snprintf(buf, size: sizeof(buf), fmt: "Lmp Subversion: 0x%x\n" , |
3456 | hdev->lmp_subver); |
3457 | skb_put_data(skb, data: buf, strlen(buf)); |
3458 | } |
3459 | |
3460 | static void btusb_coredump_qca(struct hci_dev *hdev) |
3461 | { |
3462 | static const u8 param[] = { 0x26 }; |
3463 | struct sk_buff *skb; |
3464 | |
3465 | skb = __hci_cmd_sync(hdev, opcode: 0xfc0c, plen: 1, param, HCI_CMD_TIMEOUT); |
3466 | if (IS_ERR(ptr: skb)) |
3467 | bt_dev_err(hdev, "%s: triggle crash failed (%ld)" , __func__, PTR_ERR(skb)); |
3468 | kfree_skb(skb); |
3469 | } |
3470 | |
3471 | /* |
3472 | * ==0: not a dump pkt. |
3473 | * < 0: fails to handle a dump pkt |
3474 | * > 0: otherwise. |
3475 | */ |
3476 | static int handle_dump_pkt_qca(struct hci_dev *hdev, struct sk_buff *skb) |
3477 | { |
3478 | int ret = 1; |
3479 | u8 pkt_type; |
3480 | u8 *sk_ptr; |
3481 | unsigned int sk_len; |
3482 | u16 seqno; |
3483 | u32 dump_size; |
3484 | |
3485 | struct hci_event_hdr *event_hdr; |
3486 | struct hci_acl_hdr *acl_hdr; |
3487 | struct qca_dump_hdr *dump_hdr; |
3488 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
3489 | struct usb_device *udev = btdata->udev; |
3490 | |
3491 | pkt_type = hci_skb_pkt_type(skb); |
3492 | sk_ptr = skb->data; |
3493 | sk_len = skb->len; |
3494 | |
3495 | if (pkt_type == HCI_ACLDATA_PKT) { |
3496 | acl_hdr = hci_acl_hdr(skb); |
3497 | if (le16_to_cpu(acl_hdr->handle) != QCA_MEMDUMP_ACL_HANDLE) |
3498 | return 0; |
3499 | sk_ptr += HCI_ACL_HDR_SIZE; |
3500 | sk_len -= HCI_ACL_HDR_SIZE; |
3501 | event_hdr = (struct hci_event_hdr *)sk_ptr; |
3502 | } else { |
3503 | event_hdr = hci_event_hdr(skb); |
3504 | } |
3505 | |
3506 | if ((event_hdr->evt != HCI_VENDOR_PKT) |
3507 | || (event_hdr->plen != (sk_len - HCI_EVENT_HDR_SIZE))) |
3508 | return 0; |
3509 | |
3510 | sk_ptr += HCI_EVENT_HDR_SIZE; |
3511 | sk_len -= HCI_EVENT_HDR_SIZE; |
3512 | |
3513 | dump_hdr = (struct qca_dump_hdr *)sk_ptr; |
3514 | if ((sk_len < offsetof(struct qca_dump_hdr, data)) |
3515 | || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS) |
3516 | || (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE)) |
3517 | return 0; |
3518 | |
3519 | /*it is dump pkt now*/ |
3520 | seqno = le16_to_cpu(dump_hdr->seqno); |
3521 | if (seqno == 0) { |
3522 | set_bit(BTUSB_HW_SSR_ACTIVE, addr: &btdata->flags); |
3523 | dump_size = le32_to_cpu(dump_hdr->ram_dump_size); |
3524 | if (!dump_size || (dump_size > QCA_MEMDUMP_SIZE_MAX)) { |
3525 | ret = -EILSEQ; |
3526 | bt_dev_err(hdev, "Invalid memdump size(%u)" , |
3527 | dump_size); |
3528 | goto out; |
3529 | } |
3530 | |
3531 | ret = hci_devcd_init(hdev, dump_size); |
3532 | if (ret < 0) { |
3533 | bt_dev_err(hdev, "memdump init error(%d)" , ret); |
3534 | goto out; |
3535 | } |
3536 | |
3537 | btdata->qca_dump.ram_dump_size = dump_size; |
3538 | btdata->qca_dump.ram_dump_seqno = 0; |
3539 | sk_ptr += offsetof(struct qca_dump_hdr, data0); |
3540 | sk_len -= offsetof(struct qca_dump_hdr, data0); |
3541 | |
3542 | usb_disable_autosuspend(udev); |
3543 | bt_dev_info(hdev, "%s memdump size(%u)\n" , |
3544 | (pkt_type == HCI_ACLDATA_PKT) ? "ACL" : "event" , |
3545 | dump_size); |
3546 | } else { |
3547 | sk_ptr += offsetof(struct qca_dump_hdr, data); |
3548 | sk_len -= offsetof(struct qca_dump_hdr, data); |
3549 | } |
3550 | |
3551 | if (!btdata->qca_dump.ram_dump_size) { |
3552 | ret = -EINVAL; |
3553 | bt_dev_err(hdev, "memdump is not active" ); |
3554 | goto out; |
3555 | } |
3556 | |
3557 | if ((seqno > btdata->qca_dump.ram_dump_seqno + 1) && (seqno != QCA_LAST_SEQUENCE_NUM)) { |
3558 | dump_size = QCA_MEMDUMP_PKT_SIZE * (seqno - btdata->qca_dump.ram_dump_seqno - 1); |
3559 | hci_devcd_append_pattern(hdev, pattern: 0x0, len: dump_size); |
3560 | bt_dev_err(hdev, |
3561 | "expected memdump seqno(%u) is not received(%u)\n" , |
3562 | btdata->qca_dump.ram_dump_seqno, seqno); |
3563 | btdata->qca_dump.ram_dump_seqno = seqno; |
3564 | kfree_skb(skb); |
3565 | return ret; |
3566 | } |
3567 | |
3568 | skb_pull(skb, len: skb->len - sk_len); |
3569 | hci_devcd_append(hdev, skb); |
3570 | btdata->qca_dump.ram_dump_seqno++; |
3571 | if (seqno == QCA_LAST_SEQUENCE_NUM) { |
3572 | bt_dev_info(hdev, |
3573 | "memdump done: pkts(%u), total(%u)\n" , |
3574 | btdata->qca_dump.ram_dump_seqno, btdata->qca_dump.ram_dump_size); |
3575 | |
3576 | hci_devcd_complete(hdev); |
3577 | goto out; |
3578 | } |
3579 | return ret; |
3580 | |
3581 | out: |
3582 | if (btdata->qca_dump.ram_dump_size) |
3583 | usb_enable_autosuspend(udev); |
3584 | btdata->qca_dump.ram_dump_size = 0; |
3585 | btdata->qca_dump.ram_dump_seqno = 0; |
3586 | clear_bit(BTUSB_HW_SSR_ACTIVE, addr: &btdata->flags); |
3587 | |
3588 | if (ret < 0) |
3589 | kfree_skb(skb); |
3590 | return ret; |
3591 | } |
3592 | |
3593 | static int btusb_recv_acl_qca(struct hci_dev *hdev, struct sk_buff *skb) |
3594 | { |
3595 | if (handle_dump_pkt_qca(hdev, skb)) |
3596 | return 0; |
3597 | return hci_recv_frame(hdev, skb); |
3598 | } |
3599 | |
3600 | static int btusb_recv_evt_qca(struct hci_dev *hdev, struct sk_buff *skb) |
3601 | { |
3602 | if (handle_dump_pkt_qca(hdev, skb)) |
3603 | return 0; |
3604 | return hci_recv_frame(hdev, skb); |
3605 | } |
3606 | |
3607 | |
3608 | #define QCA_DFU_PACKET_LEN 4096 |
3609 | |
3610 | #define QCA_GET_TARGET_VERSION 0x09 |
3611 | #define QCA_CHECK_STATUS 0x05 |
3612 | #define QCA_DFU_DOWNLOAD 0x01 |
3613 | |
3614 | #define QCA_SYSCFG_UPDATED 0x40 |
3615 | #define QCA_PATCH_UPDATED 0x80 |
3616 | #define QCA_DFU_TIMEOUT 3000 |
3617 | #define QCA_FLAG_MULTI_NVM 0x80 |
3618 | #define QCA_BT_RESET_WAIT_MS 100 |
3619 | |
3620 | #define WCN6855_2_0_RAM_VERSION_GF 0x400c1200 |
3621 | #define WCN6855_2_1_RAM_VERSION_GF 0x400c1211 |
3622 | |
3623 | struct qca_version { |
3624 | __le32 rom_version; |
3625 | __le32 patch_version; |
3626 | __le32 ram_version; |
3627 | __u8 chip_id; |
3628 | __u8 platform_id; |
3629 | __le16 flag; |
3630 | __u8 reserved[4]; |
3631 | } __packed; |
3632 | |
3633 | struct qca_rampatch_version { |
3634 | __le16 rom_version_high; |
3635 | __le16 rom_version_low; |
3636 | __le16 patch_version; |
3637 | } __packed; |
3638 | |
3639 | struct qca_device_info { |
3640 | u32 rom_version; |
3641 | u8 rampatch_hdr; /* length of header in rampatch */ |
3642 | u8 nvm_hdr; /* length of header in NVM */ |
3643 | u8 ver_offset; /* offset of version structure in rampatch */ |
3644 | }; |
3645 | |
3646 | static const struct qca_device_info qca_devices_table[] = { |
3647 | { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ |
3648 | { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ |
3649 | { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ |
3650 | { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ |
3651 | { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ |
3652 | { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ |
3653 | { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ |
3654 | { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */ |
3655 | { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */ |
3656 | { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */ |
3657 | }; |
3658 | |
3659 | static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, |
3660 | void *data, u16 size) |
3661 | { |
3662 | int pipe, err; |
3663 | u8 *buf; |
3664 | |
3665 | buf = kmalloc(size, GFP_KERNEL); |
3666 | if (!buf) |
3667 | return -ENOMEM; |
3668 | |
3669 | /* Found some of USB hosts have IOT issues with ours so that we should |
3670 | * not wait until HCI layer is ready. |
3671 | */ |
3672 | pipe = usb_rcvctrlpipe(udev, 0); |
3673 | err = usb_control_msg(dev: udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, |
3674 | value: 0, index: 0, data: buf, size, USB_CTRL_SET_TIMEOUT); |
3675 | if (err < 0) { |
3676 | dev_err(&udev->dev, "Failed to access otp area (%d)" , err); |
3677 | goto done; |
3678 | } |
3679 | |
3680 | memcpy(data, buf, size); |
3681 | |
3682 | done: |
3683 | kfree(objp: buf); |
3684 | |
3685 | return err; |
3686 | } |
3687 | |
3688 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, |
3689 | const struct firmware *firmware, |
3690 | size_t hdr_size) |
3691 | { |
3692 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
3693 | struct usb_device *udev = btdata->udev; |
3694 | size_t count, size, sent = 0; |
3695 | int pipe, len, err; |
3696 | u8 *buf; |
3697 | |
3698 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); |
3699 | if (!buf) |
3700 | return -ENOMEM; |
3701 | |
3702 | count = firmware->size; |
3703 | |
3704 | size = min_t(size_t, count, hdr_size); |
3705 | memcpy(buf, firmware->data, size); |
3706 | |
3707 | /* USB patches should go down to controller through USB path |
3708 | * because binary format fits to go down through USB channel. |
3709 | * USB control path is for patching headers and USB bulk is for |
3710 | * patch body. |
3711 | */ |
3712 | pipe = usb_sndctrlpipe(udev, 0); |
3713 | err = usb_control_msg(dev: udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, |
3714 | value: 0, index: 0, data: buf, size, USB_CTRL_SET_TIMEOUT); |
3715 | if (err < 0) { |
3716 | bt_dev_err(hdev, "Failed to send headers (%d)" , err); |
3717 | goto done; |
3718 | } |
3719 | |
3720 | sent += size; |
3721 | count -= size; |
3722 | |
3723 | /* ep2 need time to switch from function acl to function dfu, |
3724 | * so we add 20ms delay here. |
3725 | */ |
3726 | msleep(msecs: 20); |
3727 | |
3728 | while (count) { |
3729 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); |
3730 | |
3731 | memcpy(buf, firmware->data + sent, size); |
3732 | |
3733 | pipe = usb_sndbulkpipe(udev, 0x02); |
3734 | err = usb_bulk_msg(usb_dev: udev, pipe, data: buf, len: size, actual_length: &len, |
3735 | QCA_DFU_TIMEOUT); |
3736 | if (err < 0) { |
3737 | bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)" , |
3738 | sent, firmware->size, err); |
3739 | break; |
3740 | } |
3741 | |
3742 | if (size != len) { |
3743 | bt_dev_err(hdev, "Failed to get bulk buffer" ); |
3744 | err = -EILSEQ; |
3745 | break; |
3746 | } |
3747 | |
3748 | sent += size; |
3749 | count -= size; |
3750 | } |
3751 | |
3752 | done: |
3753 | kfree(objp: buf); |
3754 | return err; |
3755 | } |
3756 | |
3757 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, |
3758 | struct qca_version *ver, |
3759 | const struct qca_device_info *info) |
3760 | { |
3761 | struct qca_rampatch_version *rver; |
3762 | const struct firmware *fw; |
3763 | u32 ver_rom, ver_patch, rver_rom; |
3764 | u16 rver_rom_low, rver_rom_high, rver_patch; |
3765 | char fwname[64]; |
3766 | int err; |
3767 | |
3768 | ver_rom = le32_to_cpu(ver->rom_version); |
3769 | ver_patch = le32_to_cpu(ver->patch_version); |
3770 | |
3771 | snprintf(buf: fwname, size: sizeof(fwname), fmt: "qca/rampatch_usb_%08x.bin" , ver_rom); |
3772 | |
3773 | err = request_firmware(fw: &fw, name: fwname, device: &hdev->dev); |
3774 | if (err) { |
3775 | bt_dev_err(hdev, "failed to request rampatch file: %s (%d)" , |
3776 | fwname, err); |
3777 | return err; |
3778 | } |
3779 | |
3780 | bt_dev_info(hdev, "using rampatch file: %s" , fwname); |
3781 | |
3782 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
3783 | rver_rom_low = le16_to_cpu(rver->rom_version_low); |
3784 | rver_patch = le16_to_cpu(rver->patch_version); |
3785 | |
3786 | if (ver_rom & ~0xffffU) { |
3787 | rver_rom_high = le16_to_cpu(rver->rom_version_high); |
3788 | rver_rom = rver_rom_high << 16 | rver_rom_low; |
3789 | } else { |
3790 | rver_rom = rver_rom_low; |
3791 | } |
3792 | |
3793 | bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " |
3794 | "firmware rome 0x%x build 0x%x" , |
3795 | rver_rom, rver_patch, ver_rom, ver_patch); |
3796 | |
3797 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
3798 | bt_dev_err(hdev, "rampatch file version did not match with firmware" ); |
3799 | err = -EINVAL; |
3800 | goto done; |
3801 | } |
3802 | |
3803 | err = btusb_setup_qca_download_fw(hdev, firmware: fw, hdr_size: info->rampatch_hdr); |
3804 | |
3805 | done: |
3806 | release_firmware(fw); |
3807 | |
3808 | return err; |
3809 | } |
3810 | |
3811 | static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size, |
3812 | const struct qca_version *ver) |
3813 | { |
3814 | u32 rom_version = le32_to_cpu(ver->rom_version); |
3815 | u16 flag = le16_to_cpu(ver->flag); |
3816 | |
3817 | if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { |
3818 | /* The board_id should be split into two bytes |
3819 | * The 1st byte is chip ID, and the 2nd byte is platform ID |
3820 | * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID |
3821 | * we have several platforms, and platform IDs are continuously added |
3822 | * Platform ID: |
3823 | * 0x00 is for Mobile |
3824 | * 0x01 is for X86 |
3825 | * 0x02 is for Automotive |
3826 | * 0x03 is for Consumer electronic |
3827 | */ |
3828 | u16 board_id = (ver->chip_id << 8) + ver->platform_id; |
3829 | const char *variant; |
3830 | |
3831 | switch (le32_to_cpu(ver->ram_version)) { |
3832 | case WCN6855_2_0_RAM_VERSION_GF: |
3833 | case WCN6855_2_1_RAM_VERSION_GF: |
3834 | variant = "_gf" ; |
3835 | break; |
3836 | default: |
3837 | variant = "" ; |
3838 | break; |
3839 | } |
3840 | |
3841 | if (board_id == 0) { |
3842 | snprintf(buf: fwname, size: max_size, fmt: "qca/nvm_usb_%08x%s.bin" , |
3843 | rom_version, variant); |
3844 | } else { |
3845 | snprintf(buf: fwname, size: max_size, fmt: "qca/nvm_usb_%08x%s_%04x.bin" , |
3846 | rom_version, variant, board_id); |
3847 | } |
3848 | } else { |
3849 | snprintf(buf: fwname, size: max_size, fmt: "qca/nvm_usb_%08x.bin" , |
3850 | rom_version); |
3851 | } |
3852 | |
3853 | } |
3854 | |
3855 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, |
3856 | struct qca_version *ver, |
3857 | const struct qca_device_info *info) |
3858 | { |
3859 | const struct firmware *fw; |
3860 | char fwname[64]; |
3861 | int err; |
3862 | |
3863 | btusb_generate_qca_nvm_name(fwname, max_size: sizeof(fwname), ver); |
3864 | |
3865 | err = request_firmware(fw: &fw, name: fwname, device: &hdev->dev); |
3866 | if (err) { |
3867 | bt_dev_err(hdev, "failed to request NVM file: %s (%d)" , |
3868 | fwname, err); |
3869 | return err; |
3870 | } |
3871 | |
3872 | bt_dev_info(hdev, "using NVM file: %s" , fwname); |
3873 | |
3874 | err = btusb_setup_qca_download_fw(hdev, firmware: fw, hdr_size: info->nvm_hdr); |
3875 | |
3876 | release_firmware(fw); |
3877 | |
3878 | return err; |
3879 | } |
3880 | |
3881 | /* identify the ROM version and check whether patches are needed */ |
3882 | static bool btusb_qca_need_patch(struct usb_device *udev) |
3883 | { |
3884 | struct qca_version ver; |
3885 | |
3886 | if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, data: &ver, |
3887 | size: sizeof(ver)) < 0) |
3888 | return false; |
3889 | /* only low ROM versions need patches */ |
3890 | return !(le32_to_cpu(ver.rom_version) & ~0xffffU); |
3891 | } |
3892 | |
3893 | static int btusb_setup_qca(struct hci_dev *hdev) |
3894 | { |
3895 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
3896 | struct usb_device *udev = btdata->udev; |
3897 | const struct qca_device_info *info = NULL; |
3898 | struct qca_version ver; |
3899 | u32 ver_rom; |
3900 | u8 status; |
3901 | int i, err; |
3902 | |
3903 | err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, data: &ver, |
3904 | size: sizeof(ver)); |
3905 | if (err < 0) |
3906 | return err; |
3907 | |
3908 | ver_rom = le32_to_cpu(ver.rom_version); |
3909 | |
3910 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
3911 | if (ver_rom == qca_devices_table[i].rom_version) |
3912 | info = &qca_devices_table[i]; |
3913 | } |
3914 | if (!info) { |
3915 | /* If the rom_version is not matched in the qca_devices_table |
3916 | * and the high ROM version is not zero, we assume this chip no |
3917 | * need to load the rampatch and nvm. |
3918 | */ |
3919 | if (ver_rom & ~0xffffU) |
3920 | return 0; |
3921 | |
3922 | bt_dev_err(hdev, "don't support firmware rome 0x%x" , ver_rom); |
3923 | return -ENODEV; |
3924 | } |
3925 | |
3926 | err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, data: &status, |
3927 | size: sizeof(status)); |
3928 | if (err < 0) |
3929 | return err; |
3930 | |
3931 | if (!(status & QCA_PATCH_UPDATED)) { |
3932 | err = btusb_setup_qca_load_rampatch(hdev, ver: &ver, info); |
3933 | if (err < 0) |
3934 | return err; |
3935 | } |
3936 | |
3937 | err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, data: &ver, |
3938 | size: sizeof(ver)); |
3939 | if (err < 0) |
3940 | return err; |
3941 | |
3942 | btdata->qca_dump.fw_version = le32_to_cpu(ver.patch_version); |
3943 | btdata->qca_dump.controller_id = le32_to_cpu(ver.rom_version); |
3944 | |
3945 | if (!(status & QCA_SYSCFG_UPDATED)) { |
3946 | err = btusb_setup_qca_load_nvm(hdev, ver: &ver, info); |
3947 | if (err < 0) |
3948 | return err; |
3949 | |
3950 | /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so |
3951 | * wait ~100ms for reset Done then go ahead, otherwise, it maybe |
3952 | * cause potential enable failure. |
3953 | */ |
3954 | if (info->rom_version >= 0x00130201) |
3955 | msleep(QCA_BT_RESET_WAIT_MS); |
3956 | } |
3957 | |
3958 | /* Mark HCI_OP_ENHANCED_SETUP_SYNC_CONN as broken as it doesn't seem to |
3959 | * work with the likes of HSP/HFP mSBC. |
3960 | */ |
3961 | set_bit(nr: HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, addr: &hdev->quirks); |
3962 | |
3963 | return 0; |
3964 | } |
3965 | |
3966 | static inline int __set_diag_interface(struct hci_dev *hdev) |
3967 | { |
3968 | struct btusb_data *data = hci_get_drvdata(hdev); |
3969 | struct usb_interface *intf = data->diag; |
3970 | int i; |
3971 | |
3972 | if (!data->diag) |
3973 | return -ENODEV; |
3974 | |
3975 | data->diag_tx_ep = NULL; |
3976 | data->diag_rx_ep = NULL; |
3977 | |
3978 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
3979 | struct usb_endpoint_descriptor *ep_desc; |
3980 | |
3981 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
3982 | |
3983 | if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(epd: ep_desc)) { |
3984 | data->diag_tx_ep = ep_desc; |
3985 | continue; |
3986 | } |
3987 | |
3988 | if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(epd: ep_desc)) { |
3989 | data->diag_rx_ep = ep_desc; |
3990 | continue; |
3991 | } |
3992 | } |
3993 | |
3994 | if (!data->diag_tx_ep || !data->diag_rx_ep) { |
3995 | bt_dev_err(hdev, "invalid diagnostic descriptors" ); |
3996 | return -ENODEV; |
3997 | } |
3998 | |
3999 | return 0; |
4000 | } |
4001 | |
4002 | static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) |
4003 | { |
4004 | struct btusb_data *data = hci_get_drvdata(hdev); |
4005 | struct sk_buff *skb; |
4006 | struct urb *urb; |
4007 | unsigned int pipe; |
4008 | |
4009 | if (!data->diag_tx_ep) |
4010 | return ERR_PTR(error: -ENODEV); |
4011 | |
4012 | urb = usb_alloc_urb(iso_packets: 0, GFP_KERNEL); |
4013 | if (!urb) |
4014 | return ERR_PTR(error: -ENOMEM); |
4015 | |
4016 | skb = bt_skb_alloc(len: 2, GFP_KERNEL); |
4017 | if (!skb) { |
4018 | usb_free_urb(urb); |
4019 | return ERR_PTR(error: -ENOMEM); |
4020 | } |
4021 | |
4022 | skb_put_u8(skb, val: 0xf0); |
4023 | skb_put_u8(skb, val: enable); |
4024 | |
4025 | pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); |
4026 | |
4027 | usb_fill_bulk_urb(urb, dev: data->udev, pipe, |
4028 | transfer_buffer: skb->data, buffer_length: skb->len, complete_fn: btusb_tx_complete, context: skb); |
4029 | |
4030 | skb->dev = (void *)hdev; |
4031 | |
4032 | return urb; |
4033 | } |
4034 | |
4035 | static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) |
4036 | { |
4037 | struct btusb_data *data = hci_get_drvdata(hdev); |
4038 | struct urb *urb; |
4039 | |
4040 | if (!data->diag) |
4041 | return -ENODEV; |
4042 | |
4043 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
4044 | return -ENETDOWN; |
4045 | |
4046 | urb = alloc_diag_urb(hdev, enable); |
4047 | if (IS_ERR(ptr: urb)) |
4048 | return PTR_ERR(ptr: urb); |
4049 | |
4050 | return submit_or_queue_tx_urb(hdev, urb); |
4051 | } |
4052 | |
4053 | #ifdef CONFIG_PM |
4054 | static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) |
4055 | { |
4056 | struct btusb_data *data = priv; |
4057 | |
4058 | pm_wakeup_event(dev: &data->udev->dev, msec: 0); |
4059 | pm_system_wakeup(); |
4060 | |
4061 | /* Disable only if not already disabled (keep it balanced) */ |
4062 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, addr: &data->flags)) { |
4063 | disable_irq_nosync(irq); |
4064 | disable_irq_wake(irq); |
4065 | } |
4066 | return IRQ_HANDLED; |
4067 | } |
4068 | |
4069 | static const struct of_device_id btusb_match_table[] = { |
4070 | { .compatible = "usb1286,204e" }, |
4071 | { .compatible = "usbcf3,e300" }, /* QCA6174A */ |
4072 | { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */ |
4073 | { } |
4074 | }; |
4075 | MODULE_DEVICE_TABLE(of, btusb_match_table); |
4076 | |
4077 | /* Use an oob wakeup pin? */ |
4078 | static int btusb_config_oob_wake(struct hci_dev *hdev) |
4079 | { |
4080 | struct btusb_data *data = hci_get_drvdata(hdev); |
4081 | struct device *dev = &data->udev->dev; |
4082 | int irq, ret; |
4083 | |
4084 | clear_bit(BTUSB_OOB_WAKE_ENABLED, addr: &data->flags); |
4085 | |
4086 | if (!of_match_device(matches: btusb_match_table, dev)) |
4087 | return 0; |
4088 | |
4089 | /* Move on if no IRQ specified */ |
4090 | irq = of_irq_get_byname(dev: dev->of_node, name: "wakeup" ); |
4091 | if (irq <= 0) { |
4092 | bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT" , __func__); |
4093 | return 0; |
4094 | } |
4095 | |
4096 | irq_set_status_flags(irq, set: IRQ_NOAUTOEN); |
4097 | ret = devm_request_irq(dev: &hdev->dev, irq, handler: btusb_oob_wake_handler, |
4098 | irqflags: 0, devname: "OOB Wake-on-BT" , dev_id: data); |
4099 | if (ret) { |
4100 | bt_dev_err(hdev, "%s: IRQ request failed" , __func__); |
4101 | return ret; |
4102 | } |
4103 | |
4104 | ret = device_init_wakeup(dev, enable: true); |
4105 | if (ret) { |
4106 | bt_dev_err(hdev, "%s: failed to init_wakeup" , __func__); |
4107 | return ret; |
4108 | } |
4109 | |
4110 | data->oob_wake_irq = irq; |
4111 | bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u" , irq); |
4112 | return 0; |
4113 | } |
4114 | #endif |
4115 | |
4116 | static void btusb_check_needs_reset_resume(struct usb_interface *intf) |
4117 | { |
4118 | if (dmi_check_system(list: btusb_needs_reset_resume_table)) |
4119 | interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; |
4120 | } |
4121 | |
4122 | static bool btusb_wakeup(struct hci_dev *hdev) |
4123 | { |
4124 | struct btusb_data *data = hci_get_drvdata(hdev); |
4125 | |
4126 | return device_may_wakeup(dev: &data->udev->dev); |
4127 | } |
4128 | |
4129 | static int btusb_shutdown_qca(struct hci_dev *hdev) |
4130 | { |
4131 | struct sk_buff *skb; |
4132 | |
4133 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, plen: 0, NULL, HCI_INIT_TIMEOUT); |
4134 | if (IS_ERR(ptr: skb)) { |
4135 | bt_dev_err(hdev, "HCI reset during shutdown failed" ); |
4136 | return PTR_ERR(ptr: skb); |
4137 | } |
4138 | kfree_skb(skb); |
4139 | |
4140 | return 0; |
4141 | } |
4142 | |
4143 | static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf, |
4144 | size_t count, loff_t *ppos) |
4145 | { |
4146 | struct btusb_data *data = file->private_data; |
4147 | char buf[3]; |
4148 | |
4149 | buf[0] = data->poll_sync ? 'Y' : 'N'; |
4150 | buf[1] = '\n'; |
4151 | buf[2] = '\0'; |
4152 | return simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: 2); |
4153 | } |
4154 | |
4155 | static ssize_t force_poll_sync_write(struct file *file, |
4156 | const char __user *user_buf, |
4157 | size_t count, loff_t *ppos) |
4158 | { |
4159 | struct btusb_data *data = file->private_data; |
4160 | bool enable; |
4161 | int err; |
4162 | |
4163 | err = kstrtobool_from_user(s: user_buf, count, res: &enable); |
4164 | if (err) |
4165 | return err; |
4166 | |
4167 | /* Only allow changes while the adapter is down */ |
4168 | if (test_bit(HCI_UP, &data->hdev->flags)) |
4169 | return -EPERM; |
4170 | |
4171 | if (data->poll_sync == enable) |
4172 | return -EALREADY; |
4173 | |
4174 | data->poll_sync = enable; |
4175 | |
4176 | return count; |
4177 | } |
4178 | |
4179 | static const struct file_operations force_poll_sync_fops = { |
4180 | .open = simple_open, |
4181 | .read = force_poll_sync_read, |
4182 | .write = force_poll_sync_write, |
4183 | .llseek = default_llseek, |
4184 | }; |
4185 | |
4186 | static int btusb_probe(struct usb_interface *intf, |
4187 | const struct usb_device_id *id) |
4188 | { |
4189 | struct usb_endpoint_descriptor *ep_desc; |
4190 | struct gpio_desc *reset_gpio; |
4191 | struct btusb_data *data; |
4192 | struct hci_dev *hdev; |
4193 | unsigned ifnum_base; |
4194 | int i, err, priv_size; |
4195 | |
4196 | BT_DBG("intf %p id %p" , intf, id); |
4197 | |
4198 | if ((id->driver_info & BTUSB_IFNUM_2) && |
4199 | (intf->cur_altsetting->desc.bInterfaceNumber != 0) && |
4200 | (intf->cur_altsetting->desc.bInterfaceNumber != 2)) |
4201 | return -ENODEV; |
4202 | |
4203 | ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; |
4204 | |
4205 | if (!id->driver_info) { |
4206 | const struct usb_device_id *match; |
4207 | |
4208 | match = usb_match_id(interface: intf, id: quirks_table); |
4209 | if (match) |
4210 | id = match; |
4211 | } |
4212 | |
4213 | if (id->driver_info == BTUSB_IGNORE) |
4214 | return -ENODEV; |
4215 | |
4216 | if (id->driver_info & BTUSB_ATH3012) { |
4217 | struct usb_device *udev = interface_to_usbdev(intf); |
4218 | |
4219 | /* Old firmware would otherwise let ath3k driver load |
4220 | * patch and sysconfig files |
4221 | */ |
4222 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 && |
4223 | !btusb_qca_need_patch(udev)) |
4224 | return -ENODEV; |
4225 | } |
4226 | |
4227 | data = devm_kzalloc(dev: &intf->dev, size: sizeof(*data), GFP_KERNEL); |
4228 | if (!data) |
4229 | return -ENOMEM; |
4230 | |
4231 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
4232 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
4233 | |
4234 | if (!data->intr_ep && usb_endpoint_is_int_in(epd: ep_desc)) { |
4235 | data->intr_ep = ep_desc; |
4236 | continue; |
4237 | } |
4238 | |
4239 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(epd: ep_desc)) { |
4240 | data->bulk_tx_ep = ep_desc; |
4241 | continue; |
4242 | } |
4243 | |
4244 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(epd: ep_desc)) { |
4245 | data->bulk_rx_ep = ep_desc; |
4246 | continue; |
4247 | } |
4248 | } |
4249 | |
4250 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
4251 | return -ENODEV; |
4252 | |
4253 | if (id->driver_info & BTUSB_AMP) { |
4254 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; |
4255 | data->cmdreq = 0x2b; |
4256 | } else { |
4257 | data->cmdreq_type = USB_TYPE_CLASS; |
4258 | data->cmdreq = 0x00; |
4259 | } |
4260 | |
4261 | data->udev = interface_to_usbdev(intf); |
4262 | data->intf = intf; |
4263 | |
4264 | INIT_WORK(&data->work, btusb_work); |
4265 | INIT_WORK(&data->waker, btusb_waker); |
4266 | INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work); |
4267 | |
4268 | skb_queue_head_init(list: &data->acl_q); |
4269 | |
4270 | init_usb_anchor(anchor: &data->deferred); |
4271 | init_usb_anchor(anchor: &data->tx_anchor); |
4272 | spin_lock_init(&data->txlock); |
4273 | |
4274 | init_usb_anchor(anchor: &data->intr_anchor); |
4275 | init_usb_anchor(anchor: &data->bulk_anchor); |
4276 | init_usb_anchor(anchor: &data->isoc_anchor); |
4277 | init_usb_anchor(anchor: &data->diag_anchor); |
4278 | init_usb_anchor(anchor: &data->ctrl_anchor); |
4279 | spin_lock_init(&data->rxlock); |
4280 | |
4281 | priv_size = 0; |
4282 | |
4283 | data->recv_event = hci_recv_frame; |
4284 | data->recv_bulk = btusb_recv_bulk; |
4285 | |
4286 | if (id->driver_info & BTUSB_INTEL_COMBINED) { |
4287 | /* Allocate extra space for Intel device */ |
4288 | priv_size += sizeof(struct btintel_data); |
4289 | |
4290 | /* Override the rx handlers */ |
4291 | data->recv_event = btintel_recv_event; |
4292 | data->recv_bulk = btusb_recv_bulk_intel; |
4293 | } else if (id->driver_info & BTUSB_REALTEK) { |
4294 | /* Allocate extra space for Realtek device */ |
4295 | priv_size += sizeof(struct btrealtek_data); |
4296 | |
4297 | data->recv_event = btusb_recv_event_realtek; |
4298 | } else if (id->driver_info & BTUSB_MEDIATEK) { |
4299 | /* Allocate extra space for Mediatek device */ |
4300 | priv_size += sizeof(struct btmediatek_data); |
4301 | } |
4302 | |
4303 | data->recv_acl = hci_recv_frame; |
4304 | |
4305 | hdev = hci_alloc_dev_priv(sizeof_priv: priv_size); |
4306 | if (!hdev) |
4307 | return -ENOMEM; |
4308 | |
4309 | hdev->bus = HCI_USB; |
4310 | hci_set_drvdata(hdev, data); |
4311 | |
4312 | if (id->driver_info & BTUSB_AMP) |
4313 | hdev->dev_type = HCI_AMP; |
4314 | else |
4315 | hdev->dev_type = HCI_PRIMARY; |
4316 | |
4317 | data->hdev = hdev; |
4318 | |
4319 | SET_HCIDEV_DEV(hdev, &intf->dev); |
4320 | |
4321 | reset_gpio = gpiod_get_optional(dev: &data->udev->dev, con_id: "reset" , |
4322 | flags: GPIOD_OUT_LOW); |
4323 | if (IS_ERR(ptr: reset_gpio)) { |
4324 | err = PTR_ERR(ptr: reset_gpio); |
4325 | goto out_free_dev; |
4326 | } else if (reset_gpio) { |
4327 | data->reset_gpio = reset_gpio; |
4328 | } |
4329 | |
4330 | hdev->open = btusb_open; |
4331 | hdev->close = btusb_close; |
4332 | hdev->flush = btusb_flush; |
4333 | hdev->send = btusb_send_frame; |
4334 | hdev->notify = btusb_notify; |
4335 | hdev->wakeup = btusb_wakeup; |
4336 | |
4337 | #ifdef CONFIG_PM |
4338 | err = btusb_config_oob_wake(hdev); |
4339 | if (err) |
4340 | goto out_free_dev; |
4341 | |
4342 | /* Marvell devices may need a specific chip configuration */ |
4343 | if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { |
4344 | err = marvell_config_oob_wake(hdev); |
4345 | if (err) |
4346 | goto out_free_dev; |
4347 | } |
4348 | #endif |
4349 | if (id->driver_info & BTUSB_CW6622) |
4350 | set_bit(nr: HCI_QUIRK_BROKEN_STORED_LINK_KEY, addr: &hdev->quirks); |
4351 | |
4352 | if (id->driver_info & BTUSB_BCM2045) |
4353 | set_bit(nr: HCI_QUIRK_BROKEN_STORED_LINK_KEY, addr: &hdev->quirks); |
4354 | |
4355 | if (id->driver_info & BTUSB_BCM92035) |
4356 | hdev->setup = btusb_setup_bcm92035; |
4357 | |
4358 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && |
4359 | (id->driver_info & BTUSB_BCM_PATCHRAM)) { |
4360 | hdev->manufacturer = 15; |
4361 | hdev->setup = btbcm_setup_patchram; |
4362 | hdev->set_diag = btusb_bcm_set_diag; |
4363 | hdev->set_bdaddr = btbcm_set_bdaddr; |
4364 | |
4365 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ |
4366 | data->diag = usb_ifnum_to_if(dev: data->udev, ifnum: ifnum_base + 2); |
4367 | } |
4368 | |
4369 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && |
4370 | (id->driver_info & BTUSB_BCM_APPLE)) { |
4371 | hdev->manufacturer = 15; |
4372 | hdev->setup = btbcm_setup_apple; |
4373 | hdev->set_diag = btusb_bcm_set_diag; |
4374 | |
4375 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ |
4376 | data->diag = usb_ifnum_to_if(dev: data->udev, ifnum: ifnum_base + 2); |
4377 | } |
4378 | |
4379 | /* Combined Intel Device setup to support multiple setup routine */ |
4380 | if (id->driver_info & BTUSB_INTEL_COMBINED) { |
4381 | err = btintel_configure_setup(hdev, driver_name: btusb_driver.name); |
4382 | if (err) |
4383 | goto out_free_dev; |
4384 | |
4385 | /* Transport specific configuration */ |
4386 | hdev->send = btusb_send_frame_intel; |
4387 | hdev->cmd_timeout = btusb_intel_cmd_timeout; |
4388 | |
4389 | if (id->driver_info & BTUSB_INTEL_NO_WBS_SUPPORT) |
4390 | btintel_set_flag(hdev, INTEL_ROM_LEGACY_NO_WBS_SUPPORT); |
4391 | |
4392 | if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD) |
4393 | btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD); |
4394 | |
4395 | if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED) |
4396 | btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED); |
4397 | } |
4398 | |
4399 | if (id->driver_info & BTUSB_MARVELL) |
4400 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; |
4401 | |
4402 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) && |
4403 | (id->driver_info & BTUSB_MEDIATEK)) { |
4404 | hdev->setup = btusb_mtk_setup; |
4405 | hdev->shutdown = btusb_mtk_shutdown; |
4406 | hdev->manufacturer = 70; |
4407 | hdev->cmd_timeout = btmtk_reset_sync; |
4408 | hdev->set_bdaddr = btmtk_set_bdaddr; |
4409 | set_bit(nr: HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, addr: &hdev->quirks); |
4410 | set_bit(nr: HCI_QUIRK_NON_PERSISTENT_SETUP, addr: &hdev->quirks); |
4411 | data->recv_acl = btusb_recv_acl_mtk; |
4412 | } |
4413 | |
4414 | if (id->driver_info & BTUSB_SWAVE) { |
4415 | set_bit(nr: HCI_QUIRK_FIXUP_INQUIRY_MODE, addr: &hdev->quirks); |
4416 | set_bit(nr: HCI_QUIRK_BROKEN_LOCAL_COMMANDS, addr: &hdev->quirks); |
4417 | } |
4418 | |
4419 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
4420 | hdev->manufacturer = 2; |
4421 | set_bit(nr: HCI_QUIRK_RAW_DEVICE, addr: &hdev->quirks); |
4422 | } |
4423 | |
4424 | if (id->driver_info & BTUSB_ATH3012) { |
4425 | data->setup_on_usb = btusb_setup_qca; |
4426 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
4427 | set_bit(nr: HCI_QUIRK_SIMULTANEOUS_DISCOVERY, addr: &hdev->quirks); |
4428 | set_bit(nr: HCI_QUIRK_STRICT_DUPLICATE_FILTER, addr: &hdev->quirks); |
4429 | } |
4430 | |
4431 | if (id->driver_info & BTUSB_QCA_ROME) { |
4432 | data->setup_on_usb = btusb_setup_qca; |
4433 | hdev->shutdown = btusb_shutdown_qca; |
4434 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
4435 | hdev->cmd_timeout = btusb_qca_cmd_timeout; |
4436 | set_bit(nr: HCI_QUIRK_SIMULTANEOUS_DISCOVERY, addr: &hdev->quirks); |
4437 | btusb_check_needs_reset_resume(intf); |
4438 | } |
4439 | |
4440 | if (id->driver_info & BTUSB_QCA_WCN6855) { |
4441 | data->qca_dump.id_vendor = id->idVendor; |
4442 | data->qca_dump.id_product = id->idProduct; |
4443 | data->recv_event = btusb_recv_evt_qca; |
4444 | data->recv_acl = btusb_recv_acl_qca; |
4445 | hci_devcd_register(hdev, coredump: btusb_coredump_qca, dmp_hdr: btusb_dump_hdr_qca, NULL); |
4446 | data->setup_on_usb = btusb_setup_qca; |
4447 | hdev->shutdown = btusb_shutdown_qca; |
4448 | hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; |
4449 | hdev->cmd_timeout = btusb_qca_cmd_timeout; |
4450 | set_bit(nr: HCI_QUIRK_SIMULTANEOUS_DISCOVERY, addr: &hdev->quirks); |
4451 | hci_set_msft_opcode(hdev, opcode: 0xFD70); |
4452 | } |
4453 | |
4454 | if (id->driver_info & BTUSB_AMP) { |
4455 | /* AMP controllers do not support SCO packets */ |
4456 | data->isoc = NULL; |
4457 | } else { |
4458 | /* Interface orders are hardcoded in the specification */ |
4459 | data->isoc = usb_ifnum_to_if(dev: data->udev, ifnum: ifnum_base + 1); |
4460 | data->isoc_ifnum = ifnum_base + 1; |
4461 | } |
4462 | |
4463 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) && |
4464 | (id->driver_info & BTUSB_REALTEK)) { |
4465 | btrtl_set_driver_name(hdev, driver_name: btusb_driver.name); |
4466 | hdev->setup = btusb_setup_realtek; |
4467 | hdev->shutdown = btrtl_shutdown_realtek; |
4468 | hdev->cmd_timeout = btusb_rtl_cmd_timeout; |
4469 | hdev->hw_error = btusb_rtl_hw_error; |
4470 | |
4471 | /* Realtek devices need to set remote wakeup on auto-suspend */ |
4472 | set_bit(BTUSB_WAKEUP_AUTOSUSPEND, addr: &data->flags); |
4473 | set_bit(BTUSB_USE_ALT3_FOR_WBS, addr: &data->flags); |
4474 | } |
4475 | |
4476 | if (id->driver_info & BTUSB_ACTIONS_SEMI) { |
4477 | /* Support is advertised, but not implemented */ |
4478 | set_bit(nr: HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, addr: &hdev->quirks); |
4479 | set_bit(nr: HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, addr: &hdev->quirks); |
4480 | set_bit(nr: HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT, addr: &hdev->quirks); |
4481 | set_bit(nr: HCI_QUIRK_BROKEN_EXT_SCAN, addr: &hdev->quirks); |
4482 | } |
4483 | |
4484 | if (!reset) |
4485 | set_bit(nr: HCI_QUIRK_RESET_ON_CLOSE, addr: &hdev->quirks); |
4486 | |
4487 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { |
4488 | if (!disable_scofix) |
4489 | set_bit(nr: HCI_QUIRK_FIXUP_BUFFER_SIZE, addr: &hdev->quirks); |
4490 | } |
4491 | |
4492 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
4493 | data->isoc = NULL; |
4494 | |
4495 | if (id->driver_info & BTUSB_WIDEBAND_SPEECH) |
4496 | set_bit(nr: HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, addr: &hdev->quirks); |
4497 | |
4498 | if (id->driver_info & BTUSB_VALID_LE_STATES) |
4499 | set_bit(nr: HCI_QUIRK_VALID_LE_STATES, addr: &hdev->quirks); |
4500 | |
4501 | if (id->driver_info & BTUSB_DIGIANSWER) { |
4502 | data->cmdreq_type = USB_TYPE_VENDOR; |
4503 | set_bit(nr: HCI_QUIRK_RESET_ON_CLOSE, addr: &hdev->quirks); |
4504 | } |
4505 | |
4506 | if (id->driver_info & BTUSB_CSR) { |
4507 | struct usb_device *udev = data->udev; |
4508 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
4509 | |
4510 | /* Old firmware would otherwise execute USB reset */ |
4511 | if (bcdDevice < 0x117) |
4512 | set_bit(nr: HCI_QUIRK_RESET_ON_CLOSE, addr: &hdev->quirks); |
4513 | |
4514 | /* This must be set first in case we disable it for fakes */ |
4515 | set_bit(nr: HCI_QUIRK_SIMULTANEOUS_DISCOVERY, addr: &hdev->quirks); |
4516 | |
4517 | /* Fake CSR devices with broken commands */ |
4518 | if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 && |
4519 | le16_to_cpu(udev->descriptor.idProduct) == 0x0001) |
4520 | hdev->setup = btusb_setup_csr; |
4521 | } |
4522 | |
4523 | if (id->driver_info & BTUSB_SNIFFER) { |
4524 | struct usb_device *udev = data->udev; |
4525 | |
4526 | /* New sniffer firmware has crippled HCI interface */ |
4527 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
4528 | set_bit(nr: HCI_QUIRK_RAW_DEVICE, addr: &hdev->quirks); |
4529 | } |
4530 | |
4531 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
4532 | /* A bug in the bootloader causes that interrupt interface is |
4533 | * only enabled after receiving SetInterface(0, AltSetting=0). |
4534 | */ |
4535 | err = usb_set_interface(dev: data->udev, ifnum: 0, alternate: 0); |
4536 | if (err < 0) { |
4537 | BT_ERR("failed to set interface 0, alt 0 %d" , err); |
4538 | goto out_free_dev; |
4539 | } |
4540 | } |
4541 | |
4542 | if (data->isoc) { |
4543 | err = usb_driver_claim_interface(driver: &btusb_driver, |
4544 | iface: data->isoc, data); |
4545 | if (err < 0) |
4546 | goto out_free_dev; |
4547 | } |
4548 | |
4549 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) { |
4550 | if (!usb_driver_claim_interface(driver: &btusb_driver, |
4551 | iface: data->diag, data)) |
4552 | __set_diag_interface(hdev); |
4553 | else |
4554 | data->diag = NULL; |
4555 | } |
4556 | |
4557 | if (enable_autosuspend) |
4558 | usb_enable_autosuspend(udev: data->udev); |
4559 | |
4560 | data->poll_sync = enable_poll_sync; |
4561 | |
4562 | err = hci_register_dev(hdev); |
4563 | if (err < 0) |
4564 | goto out_free_dev; |
4565 | |
4566 | usb_set_intfdata(intf, data); |
4567 | |
4568 | debugfs_create_file(name: "force_poll_sync" , mode: 0644, parent: hdev->debugfs, data, |
4569 | fops: &force_poll_sync_fops); |
4570 | |
4571 | return 0; |
4572 | |
4573 | out_free_dev: |
4574 | if (data->reset_gpio) |
4575 | gpiod_put(desc: data->reset_gpio); |
4576 | hci_free_dev(hdev); |
4577 | return err; |
4578 | } |
4579 | |
4580 | static void btusb_disconnect(struct usb_interface *intf) |
4581 | { |
4582 | struct btusb_data *data = usb_get_intfdata(intf); |
4583 | struct hci_dev *hdev; |
4584 | |
4585 | BT_DBG("intf %p" , intf); |
4586 | |
4587 | if (!data) |
4588 | return; |
4589 | |
4590 | hdev = data->hdev; |
4591 | usb_set_intfdata(intf: data->intf, NULL); |
4592 | |
4593 | if (data->isoc) |
4594 | usb_set_intfdata(intf: data->isoc, NULL); |
4595 | |
4596 | if (data->diag) |
4597 | usb_set_intfdata(intf: data->diag, NULL); |
4598 | |
4599 | hci_unregister_dev(hdev); |
4600 | |
4601 | if (intf == data->intf) { |
4602 | if (data->isoc) |
4603 | usb_driver_release_interface(driver: &btusb_driver, iface: data->isoc); |
4604 | if (data->diag) |
4605 | usb_driver_release_interface(driver: &btusb_driver, iface: data->diag); |
4606 | } else if (intf == data->isoc) { |
4607 | if (data->diag) |
4608 | usb_driver_release_interface(driver: &btusb_driver, iface: data->diag); |
4609 | usb_driver_release_interface(driver: &btusb_driver, iface: data->intf); |
4610 | } else if (intf == data->diag) { |
4611 | usb_driver_release_interface(driver: &btusb_driver, iface: data->intf); |
4612 | if (data->isoc) |
4613 | usb_driver_release_interface(driver: &btusb_driver, iface: data->isoc); |
4614 | } |
4615 | |
4616 | if (data->oob_wake_irq) |
4617 | device_init_wakeup(dev: &data->udev->dev, enable: false); |
4618 | |
4619 | if (data->reset_gpio) |
4620 | gpiod_put(desc: data->reset_gpio); |
4621 | |
4622 | hci_free_dev(hdev); |
4623 | } |
4624 | |
4625 | #ifdef CONFIG_PM |
4626 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
4627 | { |
4628 | struct btusb_data *data = usb_get_intfdata(intf); |
4629 | |
4630 | BT_DBG("intf %p" , intf); |
4631 | |
4632 | if (data->suspend_count++) |
4633 | return 0; |
4634 | |
4635 | spin_lock_irq(lock: &data->txlock); |
4636 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
4637 | set_bit(BTUSB_SUSPENDING, addr: &data->flags); |
4638 | spin_unlock_irq(lock: &data->txlock); |
4639 | } else { |
4640 | spin_unlock_irq(lock: &data->txlock); |
4641 | data->suspend_count--; |
4642 | return -EBUSY; |
4643 | } |
4644 | |
4645 | cancel_work_sync(work: &data->work); |
4646 | |
4647 | btusb_stop_traffic(data); |
4648 | usb_kill_anchored_urbs(anchor: &data->tx_anchor); |
4649 | |
4650 | if (data->oob_wake_irq && device_may_wakeup(dev: &data->udev->dev)) { |
4651 | set_bit(BTUSB_OOB_WAKE_ENABLED, addr: &data->flags); |
4652 | enable_irq_wake(irq: data->oob_wake_irq); |
4653 | enable_irq(irq: data->oob_wake_irq); |
4654 | } |
4655 | |
4656 | /* For global suspend, Realtek devices lose the loaded fw |
4657 | * in them. But for autosuspend, firmware should remain. |
4658 | * Actually, it depends on whether the usb host sends |
4659 | * set feature (enable wakeup) or not. |
4660 | */ |
4661 | if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) { |
4662 | if (PMSG_IS_AUTO(message) && |
4663 | device_can_wakeup(dev: &data->udev->dev)) |
4664 | data->udev->do_remote_wakeup = 1; |
4665 | else if (!PMSG_IS_AUTO(message) && |
4666 | !device_may_wakeup(dev: &data->udev->dev)) { |
4667 | data->udev->do_remote_wakeup = 0; |
4668 | data->udev->reset_resume = 1; |
4669 | } |
4670 | } |
4671 | |
4672 | return 0; |
4673 | } |
4674 | |
4675 | static void play_deferred(struct btusb_data *data) |
4676 | { |
4677 | struct urb *urb; |
4678 | int err; |
4679 | |
4680 | while ((urb = usb_get_from_anchor(anchor: &data->deferred))) { |
4681 | usb_anchor_urb(urb, anchor: &data->tx_anchor); |
4682 | |
4683 | err = usb_submit_urb(urb, GFP_ATOMIC); |
4684 | if (err < 0) { |
4685 | if (err != -EPERM && err != -ENODEV) |
4686 | BT_ERR("%s urb %p submission failed (%d)" , |
4687 | data->hdev->name, urb, -err); |
4688 | kfree(objp: urb->setup_packet); |
4689 | usb_unanchor_urb(urb); |
4690 | usb_free_urb(urb); |
4691 | break; |
4692 | } |
4693 | |
4694 | data->tx_in_flight++; |
4695 | usb_free_urb(urb); |
4696 | } |
4697 | |
4698 | /* Cleanup the rest deferred urbs. */ |
4699 | while ((urb = usb_get_from_anchor(anchor: &data->deferred))) { |
4700 | kfree(objp: urb->setup_packet); |
4701 | usb_free_urb(urb); |
4702 | } |
4703 | } |
4704 | |
4705 | static int btusb_resume(struct usb_interface *intf) |
4706 | { |
4707 | struct btusb_data *data = usb_get_intfdata(intf); |
4708 | struct hci_dev *hdev = data->hdev; |
4709 | int err = 0; |
4710 | |
4711 | BT_DBG("intf %p" , intf); |
4712 | |
4713 | if (--data->suspend_count) |
4714 | return 0; |
4715 | |
4716 | /* Disable only if not already disabled (keep it balanced) */ |
4717 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, addr: &data->flags)) { |
4718 | disable_irq(irq: data->oob_wake_irq); |
4719 | disable_irq_wake(irq: data->oob_wake_irq); |
4720 | } |
4721 | |
4722 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
4723 | goto done; |
4724 | |
4725 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { |
4726 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); |
4727 | if (err < 0) { |
4728 | clear_bit(BTUSB_INTR_RUNNING, addr: &data->flags); |
4729 | goto failed; |
4730 | } |
4731 | } |
4732 | |
4733 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { |
4734 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
4735 | if (err < 0) { |
4736 | clear_bit(BTUSB_BULK_RUNNING, addr: &data->flags); |
4737 | goto failed; |
4738 | } |
4739 | |
4740 | btusb_submit_bulk_urb(hdev, GFP_NOIO); |
4741 | } |
4742 | |
4743 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
4744 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) |
4745 | clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags); |
4746 | else |
4747 | btusb_submit_isoc_urb(hdev, GFP_NOIO); |
4748 | } |
4749 | |
4750 | spin_lock_irq(lock: &data->txlock); |
4751 | play_deferred(data); |
4752 | clear_bit(BTUSB_SUSPENDING, addr: &data->flags); |
4753 | spin_unlock_irq(lock: &data->txlock); |
4754 | schedule_work(work: &data->work); |
4755 | |
4756 | return 0; |
4757 | |
4758 | failed: |
4759 | usb_scuttle_anchored_urbs(anchor: &data->deferred); |
4760 | done: |
4761 | spin_lock_irq(lock: &data->txlock); |
4762 | clear_bit(BTUSB_SUSPENDING, addr: &data->flags); |
4763 | spin_unlock_irq(lock: &data->txlock); |
4764 | |
4765 | return err; |
4766 | } |
4767 | #endif |
4768 | |
4769 | #ifdef CONFIG_DEV_COREDUMP |
4770 | static void btusb_coredump(struct device *dev) |
4771 | { |
4772 | struct btusb_data *data = dev_get_drvdata(dev); |
4773 | struct hci_dev *hdev = data->hdev; |
4774 | |
4775 | if (hdev->dump.coredump) |
4776 | hdev->dump.coredump(hdev); |
4777 | } |
4778 | #endif |
4779 | |
4780 | static struct usb_driver btusb_driver = { |
4781 | .name = "btusb" , |
4782 | .probe = btusb_probe, |
4783 | .disconnect = btusb_disconnect, |
4784 | #ifdef CONFIG_PM |
4785 | .suspend = btusb_suspend, |
4786 | .resume = btusb_resume, |
4787 | #endif |
4788 | .id_table = btusb_table, |
4789 | .supports_autosuspend = 1, |
4790 | .disable_hub_initiated_lpm = 1, |
4791 | |
4792 | #ifdef CONFIG_DEV_COREDUMP |
4793 | .drvwrap = { |
4794 | .driver = { |
4795 | .coredump = btusb_coredump, |
4796 | }, |
4797 | }, |
4798 | #endif |
4799 | }; |
4800 | |
4801 | module_usb_driver(btusb_driver); |
4802 | |
4803 | module_param(disable_scofix, bool, 0644); |
4804 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size" ); |
4805 | |
4806 | module_param(force_scofix, bool, 0644); |
4807 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size" ); |
4808 | |
4809 | module_param(enable_autosuspend, bool, 0644); |
4810 | MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default" ); |
4811 | |
4812 | module_param(reset, bool, 0644); |
4813 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization" ); |
4814 | |
4815 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>" ); |
4816 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); |
4817 | MODULE_VERSION(VERSION); |
4818 | MODULE_LICENSE("GPL" ); |
4819 | |