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 | { USB_DEVICE(0x13d3, 0x3572), .driver_info = BTUSB_REALTEK | |
554 | BTUSB_WIDEBAND_SPEECH }, |
555 | |
556 | /* Realtek 8852BT/8852BE-VT Bluetooth devices */ |
557 | { USB_DEVICE(0x0bda, 0x8520), .driver_info = BTUSB_REALTEK | |
558 | BTUSB_WIDEBAND_SPEECH }, |
559 | /* Realtek Bluetooth devices */ |
560 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), |
561 | .driver_info = BTUSB_REALTEK }, |
562 | |
563 | /* MediaTek Bluetooth devices */ |
564 | { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01), |
565 | .driver_info = BTUSB_MEDIATEK | |
566 | BTUSB_WIDEBAND_SPEECH | |
567 | BTUSB_VALID_LE_STATES }, |
568 | |
569 | /* Additional MediaTek MT7615E Bluetooth devices */ |
570 | { USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK}, |
571 | |
572 | /* Additional MediaTek MT7663 Bluetooth devices */ |
573 | { USB_DEVICE(0x043e, 0x310c), .driver_info = BTUSB_MEDIATEK | |
574 | BTUSB_WIDEBAND_SPEECH | |
575 | BTUSB_VALID_LE_STATES }, |
576 | { USB_DEVICE(0x04ca, 0x3801), .driver_info = BTUSB_MEDIATEK | |
577 | BTUSB_WIDEBAND_SPEECH | |
578 | BTUSB_VALID_LE_STATES }, |
579 | |
580 | /* Additional MediaTek MT7668 Bluetooth devices */ |
581 | { USB_DEVICE(0x043e, 0x3109), .driver_info = BTUSB_MEDIATEK | |
582 | BTUSB_WIDEBAND_SPEECH | |
583 | BTUSB_VALID_LE_STATES }, |
584 | |
585 | /* Additional MediaTek MT7921 Bluetooth devices */ |
586 | { USB_DEVICE(0x0489, 0xe0c8), .driver_info = BTUSB_MEDIATEK | |
587 | BTUSB_WIDEBAND_SPEECH | |
588 | BTUSB_VALID_LE_STATES }, |
589 | { USB_DEVICE(0x0489, 0xe0e0), .driver_info = BTUSB_MEDIATEK | |
590 | BTUSB_WIDEBAND_SPEECH | |
591 | BTUSB_VALID_LE_STATES }, |
592 | { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | |
593 | BTUSB_WIDEBAND_SPEECH | |
594 | BTUSB_VALID_LE_STATES }, |
595 | { USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK | |
596 | BTUSB_WIDEBAND_SPEECH | |
597 | BTUSB_VALID_LE_STATES }, |
598 | { USB_DEVICE(0x13d3, 0x3563), .driver_info = BTUSB_MEDIATEK | |
599 | BTUSB_WIDEBAND_SPEECH | |
600 | BTUSB_VALID_LE_STATES }, |
601 | { USB_DEVICE(0x13d3, 0x3564), .driver_info = BTUSB_MEDIATEK | |
602 | BTUSB_WIDEBAND_SPEECH | |
603 | BTUSB_VALID_LE_STATES }, |
604 | { USB_DEVICE(0x13d3, 0x3567), .driver_info = BTUSB_MEDIATEK | |
605 | BTUSB_WIDEBAND_SPEECH | |
606 | BTUSB_VALID_LE_STATES }, |
607 | { USB_DEVICE(0x13d3, 0x3578), .driver_info = BTUSB_MEDIATEK | |
608 | BTUSB_WIDEBAND_SPEECH | |
609 | BTUSB_VALID_LE_STATES }, |
610 | { USB_DEVICE(0x13d3, 0x3583), .driver_info = BTUSB_MEDIATEK | |
611 | BTUSB_WIDEBAND_SPEECH | |
612 | BTUSB_VALID_LE_STATES }, |
613 | { USB_DEVICE(0x0489, 0xe0cd), .driver_info = BTUSB_MEDIATEK | |
614 | BTUSB_WIDEBAND_SPEECH | |
615 | BTUSB_VALID_LE_STATES }, |
616 | { USB_DEVICE(0x0e8d, 0x0608), .driver_info = BTUSB_MEDIATEK | |
617 | BTUSB_WIDEBAND_SPEECH | |
618 | BTUSB_VALID_LE_STATES }, |
619 | |
620 | /* MediaTek MT7922A Bluetooth devices */ |
621 | { USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK | |
622 | BTUSB_WIDEBAND_SPEECH | |
623 | BTUSB_VALID_LE_STATES }, |
624 | { USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK | |
625 | BTUSB_WIDEBAND_SPEECH | |
626 | BTUSB_VALID_LE_STATES }, |
627 | { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK | |
628 | BTUSB_WIDEBAND_SPEECH | |
629 | BTUSB_VALID_LE_STATES }, |
630 | { USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK | |
631 | BTUSB_WIDEBAND_SPEECH | |
632 | BTUSB_VALID_LE_STATES }, |
633 | { USB_DEVICE(0x0489, 0xe0e2), .driver_info = BTUSB_MEDIATEK | |
634 | BTUSB_WIDEBAND_SPEECH | |
635 | BTUSB_VALID_LE_STATES }, |
636 | { USB_DEVICE(0x0489, 0xe0e4), .driver_info = BTUSB_MEDIATEK | |
637 | BTUSB_WIDEBAND_SPEECH | |
638 | BTUSB_VALID_LE_STATES }, |
639 | { USB_DEVICE(0x0489, 0xe0f1), .driver_info = BTUSB_MEDIATEK | |
640 | BTUSB_WIDEBAND_SPEECH | |
641 | BTUSB_VALID_LE_STATES }, |
642 | { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | |
643 | BTUSB_WIDEBAND_SPEECH | |
644 | BTUSB_VALID_LE_STATES }, |
645 | { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK | |
646 | BTUSB_WIDEBAND_SPEECH | |
647 | BTUSB_VALID_LE_STATES }, |
648 | { USB_DEVICE(0x0489, 0xe0f6), .driver_info = BTUSB_MEDIATEK | |
649 | BTUSB_WIDEBAND_SPEECH | |
650 | BTUSB_VALID_LE_STATES }, |
651 | { USB_DEVICE(0x0489, 0xe102), .driver_info = BTUSB_MEDIATEK | |
652 | BTUSB_WIDEBAND_SPEECH | |
653 | BTUSB_VALID_LE_STATES }, |
654 | { USB_DEVICE(0x04ca, 0x3804), .driver_info = BTUSB_MEDIATEK | |
655 | BTUSB_WIDEBAND_SPEECH | |
656 | BTUSB_VALID_LE_STATES }, |
657 | { USB_DEVICE(0x35f5, 0x7922), .driver_info = BTUSB_MEDIATEK | |
658 | BTUSB_WIDEBAND_SPEECH | |
659 | BTUSB_VALID_LE_STATES }, |
660 | |
661 | /* Additional MediaTek MT7925 Bluetooth devices */ |
662 | { USB_DEVICE(0x13d3, 0x3602), .driver_info = BTUSB_MEDIATEK | |
663 | BTUSB_WIDEBAND_SPEECH | |
664 | BTUSB_VALID_LE_STATES }, |
665 | |
666 | /* Additional Realtek 8723AE Bluetooth devices */ |
667 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, |
668 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, |
669 | |
670 | /* Additional Realtek 8723BE Bluetooth devices */ |
671 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, |
672 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, |
673 | { USB_DEVICE(0x04f2, 0xb49f), .driver_info = BTUSB_REALTEK }, |
674 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, |
675 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, |
676 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, |
677 | { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK }, |
678 | |
679 | /* Additional Realtek 8723BU Bluetooth devices */ |
680 | { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK }, |
681 | |
682 | /* Additional Realtek 8723DE Bluetooth devices */ |
683 | { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK }, |
684 | { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, |
685 | |
686 | /* Additional Realtek 8761BUV Bluetooth devices */ |
687 | { USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK | |
688 | BTUSB_WIDEBAND_SPEECH }, |
689 | { USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK | |
690 | BTUSB_WIDEBAND_SPEECH }, |
691 | { USB_DEVICE(0x2550, 0x8761), .driver_info = BTUSB_REALTEK | |
692 | BTUSB_WIDEBAND_SPEECH }, |
693 | { USB_DEVICE(0x0bda, 0x8771), .driver_info = BTUSB_REALTEK | |
694 | BTUSB_WIDEBAND_SPEECH }, |
695 | { USB_DEVICE(0x6655, 0x8771), .driver_info = BTUSB_REALTEK | |
696 | BTUSB_WIDEBAND_SPEECH }, |
697 | { USB_DEVICE(0x7392, 0xc611), .driver_info = BTUSB_REALTEK | |
698 | BTUSB_WIDEBAND_SPEECH }, |
699 | { USB_DEVICE(0x2b89, 0x8761), .driver_info = BTUSB_REALTEK | |
700 | BTUSB_WIDEBAND_SPEECH }, |
701 | |
702 | /* Additional Realtek 8821AE Bluetooth devices */ |
703 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, |
704 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, |
705 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, |
706 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, |
707 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, |
708 | |
709 | /* Additional Realtek 8822BE Bluetooth devices */ |
710 | { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK }, |
711 | { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK }, |
712 | |
713 | /* Additional Realtek 8822CE Bluetooth devices */ |
714 | { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK | |
715 | BTUSB_WIDEBAND_SPEECH }, |
716 | { USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK | |
717 | BTUSB_WIDEBAND_SPEECH }, |
718 | { USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK | |
719 | BTUSB_WIDEBAND_SPEECH }, |
720 | { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK | |
721 | BTUSB_WIDEBAND_SPEECH }, |
722 | { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | |
723 | BTUSB_WIDEBAND_SPEECH }, |
724 | { USB_DEVICE(0x13d3, 0x3553), .driver_info = BTUSB_REALTEK | |
725 | BTUSB_WIDEBAND_SPEECH }, |
726 | { USB_DEVICE(0x13d3, 0x3555), .driver_info = BTUSB_REALTEK | |
727 | BTUSB_WIDEBAND_SPEECH }, |
728 | { USB_DEVICE(0x2ff8, 0x3051), .driver_info = BTUSB_REALTEK | |
729 | BTUSB_WIDEBAND_SPEECH }, |
730 | { USB_DEVICE(0x1358, 0xc123), .driver_info = BTUSB_REALTEK | |
731 | BTUSB_WIDEBAND_SPEECH }, |
732 | { USB_DEVICE(0x0bda, 0xc123), .driver_info = BTUSB_REALTEK | |
733 | BTUSB_WIDEBAND_SPEECH }, |
734 | { USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK | |
735 | BTUSB_WIDEBAND_SPEECH }, |
736 | |
737 | /* Actions Semiconductor ATS2851 based devices */ |
738 | { USB_DEVICE(0x10d7, 0xb012), .driver_info = BTUSB_ACTIONS_SEMI }, |
739 | |
740 | /* Silicon Wave based devices */ |
741 | { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, |
742 | |
743 | { } /* Terminating entry */ |
744 | }; |
745 | |
746 | /* The Bluetooth USB module build into some devices needs to be reset on resume, |
747 | * this is a problem with the platform (likely shutting off all power) not with |
748 | * the module itself. So we use a DMI list to match known broken platforms. |
749 | */ |
750 | static const struct dmi_system_id btusb_needs_reset_resume_table[] = { |
751 | { |
752 | /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ |
753 | .matches = { |
754 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc." ), |
755 | DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060" ), |
756 | }, |
757 | }, |
758 | { |
759 | /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */ |
760 | .matches = { |
761 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc." ), |
762 | DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360" ), |
763 | }, |
764 | }, |
765 | { |
766 | /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */ |
767 | .matches = { |
768 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc." ), |
769 | DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565" ), |
770 | }, |
771 | }, |
772 | {} |
773 | }; |
774 | |
775 | struct qca_dump_info { |
776 | /* fields for dump collection */ |
777 | u16 id_vendor; |
778 | u16 id_product; |
779 | u32 fw_version; |
780 | u32 controller_id; |
781 | u32 ram_dump_size; |
782 | u16 ram_dump_seqno; |
783 | }; |
784 | |
785 | #define BTUSB_MAX_ISOC_FRAMES 10 |
786 | |
787 | #define BTUSB_INTR_RUNNING 0 |
788 | #define BTUSB_BULK_RUNNING 1 |
789 | #define BTUSB_ISOC_RUNNING 2 |
790 | #define BTUSB_SUSPENDING 3 |
791 | #define BTUSB_DID_ISO_RESUME 4 |
792 | #define BTUSB_BOOTLOADER 5 |
793 | #define BTUSB_DOWNLOADING 6 |
794 | #define BTUSB_FIRMWARE_LOADED 7 |
795 | #define BTUSB_FIRMWARE_FAILED 8 |
796 | #define BTUSB_BOOTING 9 |
797 | #define BTUSB_DIAG_RUNNING 10 |
798 | #define BTUSB_OOB_WAKE_ENABLED 11 |
799 | #define BTUSB_HW_RESET_ACTIVE 12 |
800 | #define BTUSB_TX_WAIT_VND_EVT 13 |
801 | #define BTUSB_WAKEUP_AUTOSUSPEND 14 |
802 | #define BTUSB_USE_ALT3_FOR_WBS 15 |
803 | #define BTUSB_ALT6_CONTINUOUS_TX 16 |
804 | #define BTUSB_HW_SSR_ACTIVE 17 |
805 | |
806 | struct btusb_data { |
807 | struct hci_dev *hdev; |
808 | struct usb_device *udev; |
809 | struct usb_interface *intf; |
810 | struct usb_interface *isoc; |
811 | struct usb_interface *diag; |
812 | unsigned isoc_ifnum; |
813 | |
814 | unsigned long flags; |
815 | |
816 | bool poll_sync; |
817 | int intr_interval; |
818 | struct work_struct work; |
819 | struct work_struct waker; |
820 | struct delayed_work rx_work; |
821 | |
822 | struct sk_buff_head acl_q; |
823 | |
824 | struct usb_anchor deferred; |
825 | struct usb_anchor tx_anchor; |
826 | int tx_in_flight; |
827 | spinlock_t txlock; |
828 | |
829 | struct usb_anchor intr_anchor; |
830 | struct usb_anchor bulk_anchor; |
831 | struct usb_anchor isoc_anchor; |
832 | struct usb_anchor diag_anchor; |
833 | struct usb_anchor ctrl_anchor; |
834 | spinlock_t rxlock; |
835 | |
836 | struct sk_buff *evt_skb; |
837 | struct sk_buff *acl_skb; |
838 | struct sk_buff *sco_skb; |
839 | |
840 | struct usb_endpoint_descriptor *intr_ep; |
841 | struct usb_endpoint_descriptor *bulk_tx_ep; |
842 | struct usb_endpoint_descriptor *bulk_rx_ep; |
843 | struct usb_endpoint_descriptor *isoc_tx_ep; |
844 | struct usb_endpoint_descriptor *isoc_rx_ep; |
845 | struct usb_endpoint_descriptor *diag_tx_ep; |
846 | struct usb_endpoint_descriptor *diag_rx_ep; |
847 | |
848 | struct gpio_desc *reset_gpio; |
849 | |
850 | __u8 cmdreq_type; |
851 | __u8 cmdreq; |
852 | |
853 | unsigned int sco_num; |
854 | unsigned int air_mode; |
855 | bool usb_alt6_packet_flow; |
856 | int isoc_altsetting; |
857 | int suspend_count; |
858 | |
859 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
860 | int (*recv_acl)(struct hci_dev *hdev, struct sk_buff *skb); |
861 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
862 | |
863 | int (*setup_on_usb)(struct hci_dev *hdev); |
864 | |
865 | int oob_wake_irq; /* irq for out-of-band wake-on-bt */ |
866 | unsigned cmd_timeout_cnt; |
867 | |
868 | struct qca_dump_info qca_dump; |
869 | }; |
870 | |
871 | static void btusb_reset(struct hci_dev *hdev) |
872 | { |
873 | struct btusb_data *data; |
874 | int err; |
875 | |
876 | if (hdev->reset) { |
877 | hdev->reset(hdev); |
878 | return; |
879 | } |
880 | |
881 | data = hci_get_drvdata(hdev); |
882 | /* This is not an unbalanced PM reference since the device will reset */ |
883 | err = usb_autopm_get_interface(intf: data->intf); |
884 | if (err) { |
885 | bt_dev_err(hdev, "Failed usb_autopm_get_interface: %d" , err); |
886 | return; |
887 | } |
888 | |
889 | bt_dev_err(hdev, "Resetting usb device." ); |
890 | usb_queue_reset_device(dev: data->intf); |
891 | } |
892 | |
893 | static void btusb_intel_cmd_timeout(struct hci_dev *hdev) |
894 | { |
895 | struct btusb_data *data = hci_get_drvdata(hdev); |
896 | struct gpio_desc *reset_gpio = data->reset_gpio; |
897 | struct btintel_data *intel_data = hci_get_priv(hdev); |
898 | |
899 | if (++data->cmd_timeout_cnt < 5) |
900 | return; |
901 | |
902 | if (intel_data->acpi_reset_method) { |
903 | if (test_and_set_bit(nr: INTEL_ACPI_RESET_ACTIVE, addr: intel_data->flags)) { |
904 | bt_dev_err(hdev, "acpi: last reset failed ? Not resetting again" ); |
905 | return; |
906 | } |
907 | |
908 | bt_dev_err(hdev, "Initiating acpi reset method" ); |
909 | /* If ACPI reset method fails, lets try with legacy GPIO |
910 | * toggling |
911 | */ |
912 | if (!intel_data->acpi_reset_method(hdev)) { |
913 | return; |
914 | } |
915 | } |
916 | |
917 | if (!reset_gpio) { |
918 | btusb_reset(hdev); |
919 | return; |
920 | } |
921 | |
922 | /* |
923 | * Toggle the hard reset line if the platform provides one. The reset |
924 | * is going to yank the device off the USB and then replug. So doing |
925 | * once is enough. The cleanup is handled correctly on the way out |
926 | * (standard USB disconnect), and the new device is detected cleanly |
927 | * and bound to the driver again like it should be. |
928 | */ |
929 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, addr: &data->flags)) { |
930 | bt_dev_err(hdev, "last reset failed? Not resetting again" ); |
931 | return; |
932 | } |
933 | |
934 | bt_dev_err(hdev, "Initiating HW reset via gpio" ); |
935 | gpiod_set_value_cansleep(desc: reset_gpio, value: 1); |
936 | msleep(msecs: 100); |
937 | gpiod_set_value_cansleep(desc: reset_gpio, value: 0); |
938 | } |
939 | |
940 | #define RTK_DEVCOREDUMP_CODE_MEMDUMP 0x01 |
941 | #define RTK_DEVCOREDUMP_CODE_HW_ERR 0x02 |
942 | #define RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT 0x03 |
943 | |
944 | #define RTK_SUB_EVENT_CODE_COREDUMP 0x34 |
945 | |
946 | struct rtk_dev_coredump_hdr { |
947 | u8 type; |
948 | u8 code; |
949 | u8 reserved[2]; |
950 | } __packed; |
951 | |
952 | static inline void btusb_rtl_alloc_devcoredump(struct hci_dev *hdev, |
953 | struct rtk_dev_coredump_hdr *hdr, u8 *buf, u32 len) |
954 | { |
955 | struct sk_buff *skb; |
956 | |
957 | skb = alloc_skb(size: len + sizeof(*hdr), GFP_ATOMIC); |
958 | if (!skb) |
959 | return; |
960 | |
961 | skb_put_data(skb, data: hdr, len: sizeof(*hdr)); |
962 | if (len) |
963 | skb_put_data(skb, data: buf, len); |
964 | |
965 | if (!hci_devcd_init(hdev, dump_size: skb->len)) { |
966 | hci_devcd_append(hdev, skb); |
967 | hci_devcd_complete(hdev); |
968 | } else { |
969 | bt_dev_err(hdev, "RTL: Failed to generate devcoredump" ); |
970 | kfree_skb(skb); |
971 | } |
972 | } |
973 | |
974 | static void btusb_rtl_cmd_timeout(struct hci_dev *hdev) |
975 | { |
976 | struct btusb_data *data = hci_get_drvdata(hdev); |
977 | struct gpio_desc *reset_gpio = data->reset_gpio; |
978 | struct rtk_dev_coredump_hdr hdr = { |
979 | .type = RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT, |
980 | }; |
981 | |
982 | btusb_rtl_alloc_devcoredump(hdev, hdr: &hdr, NULL, len: 0); |
983 | |
984 | if (++data->cmd_timeout_cnt < 5) |
985 | return; |
986 | |
987 | if (!reset_gpio) { |
988 | btusb_reset(hdev); |
989 | return; |
990 | } |
991 | |
992 | /* Toggle the hard reset line. The Realtek device is going to |
993 | * yank itself off the USB and then replug. The cleanup is handled |
994 | * correctly on the way out (standard USB disconnect), and the new |
995 | * device is detected cleanly and bound to the driver again like |
996 | * it should be. |
997 | */ |
998 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, addr: &data->flags)) { |
999 | bt_dev_err(hdev, "last reset failed? Not resetting again" ); |
1000 | return; |
1001 | } |
1002 | |
1003 | bt_dev_err(hdev, "Reset Realtek device via gpio" ); |
1004 | gpiod_set_value_cansleep(desc: reset_gpio, value: 1); |
1005 | msleep(msecs: 200); |
1006 | gpiod_set_value_cansleep(desc: reset_gpio, value: 0); |
1007 | } |
1008 | |
1009 | static void btusb_rtl_hw_error(struct hci_dev *hdev, u8 code) |
1010 | { |
1011 | struct rtk_dev_coredump_hdr hdr = { |
1012 | .type = RTK_DEVCOREDUMP_CODE_HW_ERR, |
1013 | .code = code, |
1014 | }; |
1015 | |
1016 | bt_dev_err(hdev, "RTL: hw err, trigger devcoredump (%d)" , code); |
1017 | |
1018 | btusb_rtl_alloc_devcoredump(hdev, hdr: &hdr, NULL, len: 0); |
1019 | } |
1020 | |
1021 | static void btusb_qca_cmd_timeout(struct hci_dev *hdev) |
1022 | { |
1023 | struct btusb_data *data = hci_get_drvdata(hdev); |
1024 | struct gpio_desc *reset_gpio = data->reset_gpio; |
1025 | |
1026 | if (test_bit(BTUSB_HW_SSR_ACTIVE, &data->flags)) { |
1027 | bt_dev_info(hdev, "Ramdump in progress, defer cmd_timeout" ); |
1028 | return; |
1029 | } |
1030 | |
1031 | if (++data->cmd_timeout_cnt < 5) |
1032 | return; |
1033 | |
1034 | if (reset_gpio) { |
1035 | bt_dev_err(hdev, "Reset qca device via bt_en gpio" ); |
1036 | |
1037 | /* Toggle the hard reset line. The qca bt device is going to |
1038 | * yank itself off the USB and then replug. The cleanup is handled |
1039 | * correctly on the way out (standard USB disconnect), and the new |
1040 | * device is detected cleanly and bound to the driver again like |
1041 | * it should be. |
1042 | */ |
1043 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, addr: &data->flags)) { |
1044 | bt_dev_err(hdev, "last reset failed? Not resetting again" ); |
1045 | return; |
1046 | } |
1047 | |
1048 | gpiod_set_value_cansleep(desc: reset_gpio, value: 0); |
1049 | msleep(msecs: 200); |
1050 | gpiod_set_value_cansleep(desc: reset_gpio, value: 1); |
1051 | |
1052 | return; |
1053 | } |
1054 | |
1055 | btusb_reset(hdev); |
1056 | } |
1057 | |
1058 | static inline void btusb_free_frags(struct btusb_data *data) |
1059 | { |
1060 | unsigned long flags; |
1061 | |
1062 | spin_lock_irqsave(&data->rxlock, flags); |
1063 | |
1064 | dev_kfree_skb_irq(skb: data->evt_skb); |
1065 | data->evt_skb = NULL; |
1066 | |
1067 | dev_kfree_skb_irq(skb: data->acl_skb); |
1068 | data->acl_skb = NULL; |
1069 | |
1070 | dev_kfree_skb_irq(skb: data->sco_skb); |
1071 | data->sco_skb = NULL; |
1072 | |
1073 | spin_unlock_irqrestore(lock: &data->rxlock, flags); |
1074 | } |
1075 | |
1076 | static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb) |
1077 | { |
1078 | if (data->intr_interval) { |
1079 | /* Trigger dequeue immediatelly if an event is received */ |
1080 | schedule_delayed_work(dwork: &data->rx_work, delay: 0); |
1081 | } |
1082 | |
1083 | return data->recv_event(data->hdev, skb); |
1084 | } |
1085 | |
1086 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
1087 | { |
1088 | struct sk_buff *skb; |
1089 | unsigned long flags; |
1090 | int err = 0; |
1091 | |
1092 | spin_lock_irqsave(&data->rxlock, flags); |
1093 | skb = data->evt_skb; |
1094 | |
1095 | while (count) { |
1096 | int len; |
1097 | |
1098 | if (!skb) { |
1099 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); |
1100 | if (!skb) { |
1101 | err = -ENOMEM; |
1102 | break; |
1103 | } |
1104 | |
1105 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
1106 | hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; |
1107 | } |
1108 | |
1109 | len = min_t(uint, hci_skb_expect(skb), count); |
1110 | skb_put_data(skb, data: buffer, len); |
1111 | |
1112 | count -= len; |
1113 | buffer += len; |
1114 | hci_skb_expect(skb) -= len; |
1115 | |
1116 | if (skb->len == HCI_EVENT_HDR_SIZE) { |
1117 | /* Complete event header */ |
1118 | hci_skb_expect(skb) = hci_event_hdr(skb)->plen; |
1119 | |
1120 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
1121 | kfree_skb(skb); |
1122 | skb = NULL; |
1123 | |
1124 | err = -EILSEQ; |
1125 | break; |
1126 | } |
1127 | } |
1128 | |
1129 | if (!hci_skb_expect(skb)) { |
1130 | /* Complete frame */ |
1131 | btusb_recv_event(data, skb); |
1132 | skb = NULL; |
1133 | } |
1134 | } |
1135 | |
1136 | data->evt_skb = skb; |
1137 | spin_unlock_irqrestore(lock: &data->rxlock, flags); |
1138 | |
1139 | return err; |
1140 | } |
1141 | |
1142 | static int btusb_recv_acl(struct btusb_data *data, struct sk_buff *skb) |
1143 | { |
1144 | /* Only queue ACL packet if intr_interval is set as it means |
1145 | * force_poll_sync has been enabled. |
1146 | */ |
1147 | if (!data->intr_interval) |
1148 | return data->recv_acl(data->hdev, skb); |
1149 | |
1150 | skb_queue_tail(list: &data->acl_q, newsk: skb); |
1151 | schedule_delayed_work(dwork: &data->rx_work, delay: data->intr_interval); |
1152 | |
1153 | return 0; |
1154 | } |
1155 | |
1156 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) |
1157 | { |
1158 | struct sk_buff *skb; |
1159 | unsigned long flags; |
1160 | int err = 0; |
1161 | |
1162 | spin_lock_irqsave(&data->rxlock, flags); |
1163 | skb = data->acl_skb; |
1164 | |
1165 | while (count) { |
1166 | int len; |
1167 | |
1168 | if (!skb) { |
1169 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); |
1170 | if (!skb) { |
1171 | err = -ENOMEM; |
1172 | break; |
1173 | } |
1174 | |
1175 | hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; |
1176 | hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; |
1177 | } |
1178 | |
1179 | len = min_t(uint, hci_skb_expect(skb), count); |
1180 | skb_put_data(skb, data: buffer, len); |
1181 | |
1182 | count -= len; |
1183 | buffer += len; |
1184 | hci_skb_expect(skb) -= len; |
1185 | |
1186 | if (skb->len == HCI_ACL_HDR_SIZE) { |
1187 | __le16 dlen = hci_acl_hdr(skb)->dlen; |
1188 | |
1189 | /* Complete ACL header */ |
1190 | hci_skb_expect(skb) = __le16_to_cpu(dlen); |
1191 | |
1192 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
1193 | kfree_skb(skb); |
1194 | skb = NULL; |
1195 | |
1196 | err = -EILSEQ; |
1197 | break; |
1198 | } |
1199 | } |
1200 | |
1201 | if (!hci_skb_expect(skb)) { |
1202 | /* Complete frame */ |
1203 | btusb_recv_acl(data, skb); |
1204 | skb = NULL; |
1205 | } |
1206 | } |
1207 | |
1208 | data->acl_skb = skb; |
1209 | spin_unlock_irqrestore(lock: &data->rxlock, flags); |
1210 | |
1211 | return err; |
1212 | } |
1213 | |
1214 | static bool btusb_validate_sco_handle(struct hci_dev *hdev, |
1215 | struct hci_sco_hdr *hdr) |
1216 | { |
1217 | __u16 handle; |
1218 | |
1219 | if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) |
1220 | // Can't validate, userspace controls everything. |
1221 | return true; |
1222 | |
1223 | /* |
1224 | * USB isochronous transfers are not designed to be reliable and may |
1225 | * lose fragments. When this happens, the next first fragment |
1226 | * encountered might actually be a continuation fragment. |
1227 | * Validate the handle to detect it and drop it, or else the upper |
1228 | * layer will get garbage for a while. |
1229 | */ |
1230 | |
1231 | handle = hci_handle(__le16_to_cpu(hdr->handle)); |
1232 | |
1233 | switch (hci_conn_lookup_type(hdev, handle)) { |
1234 | case SCO_LINK: |
1235 | case ESCO_LINK: |
1236 | return true; |
1237 | default: |
1238 | return false; |
1239 | } |
1240 | } |
1241 | |
1242 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) |
1243 | { |
1244 | struct sk_buff *skb; |
1245 | unsigned long flags; |
1246 | int err = 0; |
1247 | |
1248 | spin_lock_irqsave(&data->rxlock, flags); |
1249 | skb = data->sco_skb; |
1250 | |
1251 | while (count) { |
1252 | int len; |
1253 | |
1254 | if (!skb) { |
1255 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); |
1256 | if (!skb) { |
1257 | err = -ENOMEM; |
1258 | break; |
1259 | } |
1260 | |
1261 | hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; |
1262 | hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; |
1263 | } |
1264 | |
1265 | len = min_t(uint, hci_skb_expect(skb), count); |
1266 | skb_put_data(skb, data: buffer, len); |
1267 | |
1268 | count -= len; |
1269 | buffer += len; |
1270 | hci_skb_expect(skb) -= len; |
1271 | |
1272 | if (skb->len == HCI_SCO_HDR_SIZE) { |
1273 | /* Complete SCO header */ |
1274 | struct hci_sco_hdr *hdr = hci_sco_hdr(skb); |
1275 | |
1276 | hci_skb_expect(skb) = hdr->dlen; |
1277 | |
1278 | if (skb_tailroom(skb) < hci_skb_expect(skb) || |
1279 | !btusb_validate_sco_handle(hdev: data->hdev, hdr)) { |
1280 | kfree_skb(skb); |
1281 | skb = NULL; |
1282 | |
1283 | err = -EILSEQ; |
1284 | break; |
1285 | } |
1286 | } |
1287 | |
1288 | if (!hci_skb_expect(skb)) { |
1289 | /* Complete frame */ |
1290 | hci_recv_frame(hdev: data->hdev, skb); |
1291 | skb = NULL; |
1292 | } |
1293 | } |
1294 | |
1295 | data->sco_skb = skb; |
1296 | spin_unlock_irqrestore(lock: &data->rxlock, flags); |
1297 | |
1298 | return err; |
1299 | } |
1300 | |
1301 | static void btusb_intr_complete(struct urb *urb) |
1302 | { |
1303 | struct hci_dev *hdev = urb->context; |
1304 | struct btusb_data *data = hci_get_drvdata(hdev); |
1305 | int err; |
1306 | |
1307 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1308 | urb->actual_length); |
1309 | |
1310 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
1311 | return; |
1312 | |
1313 | if (urb->status == 0) { |
1314 | hdev->stat.byte_rx += urb->actual_length; |
1315 | |
1316 | if (btusb_recv_intr(data, buffer: urb->transfer_buffer, |
1317 | count: urb->actual_length) < 0) { |
1318 | bt_dev_err(hdev, "corrupted event packet" ); |
1319 | hdev->stat.err_rx++; |
1320 | } |
1321 | } else if (urb->status == -ENOENT) { |
1322 | /* Avoid suspend failed when usb_kill_urb */ |
1323 | return; |
1324 | } |
1325 | |
1326 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) |
1327 | return; |
1328 | |
1329 | usb_mark_last_busy(udev: data->udev); |
1330 | usb_anchor_urb(urb, anchor: &data->intr_anchor); |
1331 | |
1332 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1333 | if (err < 0) { |
1334 | /* -EPERM: urb is being killed; |
1335 | * -ENODEV: device got disconnected |
1336 | */ |
1337 | if (err != -EPERM && err != -ENODEV) |
1338 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)" , |
1339 | urb, -err); |
1340 | if (err != -EPERM) |
1341 | hci_cmd_sync_cancel(hdev, err: -err); |
1342 | usb_unanchor_urb(urb); |
1343 | } |
1344 | } |
1345 | |
1346 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
1347 | { |
1348 | struct btusb_data *data = hci_get_drvdata(hdev); |
1349 | struct urb *urb; |
1350 | unsigned char *buf; |
1351 | unsigned int pipe; |
1352 | int err, size; |
1353 | |
1354 | BT_DBG("%s" , hdev->name); |
1355 | |
1356 | if (!data->intr_ep) |
1357 | return -ENODEV; |
1358 | |
1359 | urb = usb_alloc_urb(iso_packets: 0, mem_flags); |
1360 | if (!urb) |
1361 | return -ENOMEM; |
1362 | |
1363 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); |
1364 | |
1365 | buf = kmalloc(size, flags: mem_flags); |
1366 | if (!buf) { |
1367 | usb_free_urb(urb); |
1368 | return -ENOMEM; |
1369 | } |
1370 | |
1371 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); |
1372 | |
1373 | usb_fill_int_urb(urb, dev: data->udev, pipe, transfer_buffer: buf, buffer_length: size, |
1374 | complete_fn: btusb_intr_complete, context: hdev, interval: data->intr_ep->bInterval); |
1375 | |
1376 | urb->transfer_flags |= URB_FREE_BUFFER; |
1377 | |
1378 | usb_anchor_urb(urb, anchor: &data->intr_anchor); |
1379 | |
1380 | err = usb_submit_urb(urb, mem_flags); |
1381 | if (err < 0) { |
1382 | if (err != -EPERM && err != -ENODEV) |
1383 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
1384 | urb, -err); |
1385 | if (err != -EPERM) |
1386 | hci_cmd_sync_cancel(hdev, err: -err); |
1387 | usb_unanchor_urb(urb); |
1388 | } |
1389 | |
1390 | /* Only initialize intr_interval if URB poll sync is enabled */ |
1391 | if (!data->poll_sync) |
1392 | goto done; |
1393 | |
1394 | /* The units are frames (milliseconds) for full and low speed devices, |
1395 | * and microframes (1/8 millisecond) for highspeed and SuperSpeed |
1396 | * devices. |
1397 | * |
1398 | * This is done once on open/resume so it shouldn't change even if |
1399 | * force_poll_sync changes. |
1400 | */ |
1401 | switch (urb->dev->speed) { |
1402 | case USB_SPEED_SUPER_PLUS: |
1403 | case USB_SPEED_SUPER: /* units are 125us */ |
1404 | data->intr_interval = usecs_to_jiffies(u: urb->interval * 125); |
1405 | break; |
1406 | default: |
1407 | data->intr_interval = msecs_to_jiffies(m: urb->interval); |
1408 | break; |
1409 | } |
1410 | |
1411 | done: |
1412 | usb_free_urb(urb); |
1413 | |
1414 | return err; |
1415 | } |
1416 | |
1417 | static void btusb_bulk_complete(struct urb *urb) |
1418 | { |
1419 | struct hci_dev *hdev = urb->context; |
1420 | struct btusb_data *data = hci_get_drvdata(hdev); |
1421 | int err; |
1422 | |
1423 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1424 | urb->actual_length); |
1425 | |
1426 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
1427 | return; |
1428 | |
1429 | if (urb->status == 0) { |
1430 | hdev->stat.byte_rx += urb->actual_length; |
1431 | |
1432 | if (data->recv_bulk(data, urb->transfer_buffer, |
1433 | urb->actual_length) < 0) { |
1434 | bt_dev_err(hdev, "corrupted ACL packet" ); |
1435 | hdev->stat.err_rx++; |
1436 | } |
1437 | } else if (urb->status == -ENOENT) { |
1438 | /* Avoid suspend failed when usb_kill_urb */ |
1439 | return; |
1440 | } |
1441 | |
1442 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) |
1443 | return; |
1444 | |
1445 | usb_anchor_urb(urb, anchor: &data->bulk_anchor); |
1446 | usb_mark_last_busy(udev: data->udev); |
1447 | |
1448 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1449 | if (err < 0) { |
1450 | /* -EPERM: urb is being killed; |
1451 | * -ENODEV: device got disconnected |
1452 | */ |
1453 | if (err != -EPERM && err != -ENODEV) |
1454 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)" , |
1455 | urb, -err); |
1456 | usb_unanchor_urb(urb); |
1457 | } |
1458 | } |
1459 | |
1460 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
1461 | { |
1462 | struct btusb_data *data = hci_get_drvdata(hdev); |
1463 | struct urb *urb; |
1464 | unsigned char *buf; |
1465 | unsigned int pipe; |
1466 | int err, size = HCI_MAX_FRAME_SIZE; |
1467 | |
1468 | BT_DBG("%s" , hdev->name); |
1469 | |
1470 | if (!data->bulk_rx_ep) |
1471 | return -ENODEV; |
1472 | |
1473 | urb = usb_alloc_urb(iso_packets: 0, mem_flags); |
1474 | if (!urb) |
1475 | return -ENOMEM; |
1476 | |
1477 | buf = kmalloc(size, flags: mem_flags); |
1478 | if (!buf) { |
1479 | usb_free_urb(urb); |
1480 | return -ENOMEM; |
1481 | } |
1482 | |
1483 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); |
1484 | |
1485 | usb_fill_bulk_urb(urb, dev: data->udev, pipe, transfer_buffer: buf, buffer_length: size, |
1486 | complete_fn: btusb_bulk_complete, context: hdev); |
1487 | |
1488 | urb->transfer_flags |= URB_FREE_BUFFER; |
1489 | |
1490 | usb_mark_last_busy(udev: data->udev); |
1491 | usb_anchor_urb(urb, anchor: &data->bulk_anchor); |
1492 | |
1493 | err = usb_submit_urb(urb, mem_flags); |
1494 | if (err < 0) { |
1495 | if (err != -EPERM && err != -ENODEV) |
1496 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
1497 | urb, -err); |
1498 | usb_unanchor_urb(urb); |
1499 | } |
1500 | |
1501 | usb_free_urb(urb); |
1502 | |
1503 | return err; |
1504 | } |
1505 | |
1506 | static void btusb_isoc_complete(struct urb *urb) |
1507 | { |
1508 | struct hci_dev *hdev = urb->context; |
1509 | struct btusb_data *data = hci_get_drvdata(hdev); |
1510 | int i, err; |
1511 | |
1512 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1513 | urb->actual_length); |
1514 | |
1515 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
1516 | return; |
1517 | |
1518 | if (urb->status == 0) { |
1519 | for (i = 0; i < urb->number_of_packets; i++) { |
1520 | unsigned int offset = urb->iso_frame_desc[i].offset; |
1521 | unsigned int length = urb->iso_frame_desc[i].actual_length; |
1522 | |
1523 | if (urb->iso_frame_desc[i].status) |
1524 | continue; |
1525 | |
1526 | hdev->stat.byte_rx += length; |
1527 | |
1528 | if (btusb_recv_isoc(data, buffer: urb->transfer_buffer + offset, |
1529 | count: length) < 0) { |
1530 | bt_dev_err(hdev, "corrupted SCO packet" ); |
1531 | hdev->stat.err_rx++; |
1532 | } |
1533 | } |
1534 | } else if (urb->status == -ENOENT) { |
1535 | /* Avoid suspend failed when usb_kill_urb */ |
1536 | return; |
1537 | } |
1538 | |
1539 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) |
1540 | return; |
1541 | |
1542 | usb_anchor_urb(urb, anchor: &data->isoc_anchor); |
1543 | |
1544 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1545 | if (err < 0) { |
1546 | /* -EPERM: urb is being killed; |
1547 | * -ENODEV: device got disconnected |
1548 | */ |
1549 | if (err != -EPERM && err != -ENODEV) |
1550 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)" , |
1551 | urb, -err); |
1552 | usb_unanchor_urb(urb); |
1553 | } |
1554 | } |
1555 | |
1556 | static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len, |
1557 | int mtu, struct btusb_data *data) |
1558 | { |
1559 | int i = 0, offset = 0; |
1560 | unsigned int interval; |
1561 | |
1562 | BT_DBG("len %d mtu %d" , len, mtu); |
1563 | |
1564 | /* For mSBC ALT 6 settings some chips need to transmit the data |
1565 | * continuously without the zero length of USB packets. |
1566 | */ |
1567 | if (test_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags)) |
1568 | goto ignore_usb_alt6_packet_flow; |
1569 | |
1570 | /* For mSBC ALT 6 setting the host will send the packet at continuous |
1571 | * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting |
1572 | * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets. |
1573 | * To maintain the rate we send 63bytes of usb packets alternatively for |
1574 | * 7ms and 8ms to maintain the rate as 7.5ms. |
1575 | */ |
1576 | if (data->usb_alt6_packet_flow) { |
1577 | interval = 7; |
1578 | data->usb_alt6_packet_flow = false; |
1579 | } else { |
1580 | interval = 6; |
1581 | data->usb_alt6_packet_flow = true; |
1582 | } |
1583 | |
1584 | for (i = 0; i < interval; i++) { |
1585 | urb->iso_frame_desc[i].offset = offset; |
1586 | urb->iso_frame_desc[i].length = offset; |
1587 | } |
1588 | |
1589 | ignore_usb_alt6_packet_flow: |
1590 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { |
1591 | urb->iso_frame_desc[i].offset = offset; |
1592 | urb->iso_frame_desc[i].length = len; |
1593 | i++; |
1594 | } |
1595 | |
1596 | urb->number_of_packets = i; |
1597 | } |
1598 | |
1599 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
1600 | { |
1601 | int i, offset = 0; |
1602 | |
1603 | BT_DBG("len %d mtu %d" , len, mtu); |
1604 | |
1605 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; |
1606 | i++, offset += mtu, len -= mtu) { |
1607 | urb->iso_frame_desc[i].offset = offset; |
1608 | urb->iso_frame_desc[i].length = mtu; |
1609 | } |
1610 | |
1611 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { |
1612 | urb->iso_frame_desc[i].offset = offset; |
1613 | urb->iso_frame_desc[i].length = len; |
1614 | i++; |
1615 | } |
1616 | |
1617 | urb->number_of_packets = i; |
1618 | } |
1619 | |
1620 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
1621 | { |
1622 | struct btusb_data *data = hci_get_drvdata(hdev); |
1623 | struct urb *urb; |
1624 | unsigned char *buf; |
1625 | unsigned int pipe; |
1626 | int err, size; |
1627 | |
1628 | BT_DBG("%s" , hdev->name); |
1629 | |
1630 | if (!data->isoc_rx_ep) |
1631 | return -ENODEV; |
1632 | |
1633 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
1634 | if (!urb) |
1635 | return -ENOMEM; |
1636 | |
1637 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * |
1638 | BTUSB_MAX_ISOC_FRAMES; |
1639 | |
1640 | buf = kmalloc(size, flags: mem_flags); |
1641 | if (!buf) { |
1642 | usb_free_urb(urb); |
1643 | return -ENOMEM; |
1644 | } |
1645 | |
1646 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); |
1647 | |
1648 | usb_fill_int_urb(urb, dev: data->udev, pipe, transfer_buffer: buf, buffer_length: size, complete_fn: btusb_isoc_complete, |
1649 | context: hdev, interval: data->isoc_rx_ep->bInterval); |
1650 | |
1651 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
1652 | |
1653 | __fill_isoc_descriptor(urb, len: size, |
1654 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
1655 | |
1656 | usb_anchor_urb(urb, anchor: &data->isoc_anchor); |
1657 | |
1658 | err = usb_submit_urb(urb, mem_flags); |
1659 | if (err < 0) { |
1660 | if (err != -EPERM && err != -ENODEV) |
1661 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
1662 | urb, -err); |
1663 | usb_unanchor_urb(urb); |
1664 | } |
1665 | |
1666 | usb_free_urb(urb); |
1667 | |
1668 | return err; |
1669 | } |
1670 | |
1671 | static void btusb_diag_complete(struct urb *urb) |
1672 | { |
1673 | struct hci_dev *hdev = urb->context; |
1674 | struct btusb_data *data = hci_get_drvdata(hdev); |
1675 | int err; |
1676 | |
1677 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1678 | urb->actual_length); |
1679 | |
1680 | if (urb->status == 0) { |
1681 | struct sk_buff *skb; |
1682 | |
1683 | skb = bt_skb_alloc(len: urb->actual_length, GFP_ATOMIC); |
1684 | if (skb) { |
1685 | skb_put_data(skb, data: urb->transfer_buffer, |
1686 | len: urb->actual_length); |
1687 | hci_recv_diag(hdev, skb); |
1688 | } |
1689 | } else if (urb->status == -ENOENT) { |
1690 | /* Avoid suspend failed when usb_kill_urb */ |
1691 | return; |
1692 | } |
1693 | |
1694 | if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) |
1695 | return; |
1696 | |
1697 | usb_anchor_urb(urb, anchor: &data->diag_anchor); |
1698 | usb_mark_last_busy(udev: data->udev); |
1699 | |
1700 | err = usb_submit_urb(urb, GFP_ATOMIC); |
1701 | if (err < 0) { |
1702 | /* -EPERM: urb is being killed; |
1703 | * -ENODEV: device got disconnected |
1704 | */ |
1705 | if (err != -EPERM && err != -ENODEV) |
1706 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)" , |
1707 | urb, -err); |
1708 | usb_unanchor_urb(urb); |
1709 | } |
1710 | } |
1711 | |
1712 | static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) |
1713 | { |
1714 | struct btusb_data *data = hci_get_drvdata(hdev); |
1715 | struct urb *urb; |
1716 | unsigned char *buf; |
1717 | unsigned int pipe; |
1718 | int err, size = HCI_MAX_FRAME_SIZE; |
1719 | |
1720 | BT_DBG("%s" , hdev->name); |
1721 | |
1722 | if (!data->diag_rx_ep) |
1723 | return -ENODEV; |
1724 | |
1725 | urb = usb_alloc_urb(iso_packets: 0, mem_flags); |
1726 | if (!urb) |
1727 | return -ENOMEM; |
1728 | |
1729 | buf = kmalloc(size, flags: mem_flags); |
1730 | if (!buf) { |
1731 | usb_free_urb(urb); |
1732 | return -ENOMEM; |
1733 | } |
1734 | |
1735 | pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); |
1736 | |
1737 | usb_fill_bulk_urb(urb, dev: data->udev, pipe, transfer_buffer: buf, buffer_length: size, |
1738 | complete_fn: btusb_diag_complete, context: hdev); |
1739 | |
1740 | urb->transfer_flags |= URB_FREE_BUFFER; |
1741 | |
1742 | usb_mark_last_busy(udev: data->udev); |
1743 | usb_anchor_urb(urb, anchor: &data->diag_anchor); |
1744 | |
1745 | err = usb_submit_urb(urb, mem_flags); |
1746 | if (err < 0) { |
1747 | if (err != -EPERM && err != -ENODEV) |
1748 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
1749 | urb, -err); |
1750 | usb_unanchor_urb(urb); |
1751 | } |
1752 | |
1753 | usb_free_urb(urb); |
1754 | |
1755 | return err; |
1756 | } |
1757 | |
1758 | static void btusb_tx_complete(struct urb *urb) |
1759 | { |
1760 | struct sk_buff *skb = urb->context; |
1761 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
1762 | struct btusb_data *data = hci_get_drvdata(hdev); |
1763 | unsigned long flags; |
1764 | |
1765 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1766 | urb->actual_length); |
1767 | |
1768 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
1769 | goto done; |
1770 | |
1771 | if (!urb->status) { |
1772 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
1773 | } else { |
1774 | if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT) |
1775 | hci_cmd_sync_cancel(hdev, err: -urb->status); |
1776 | hdev->stat.err_tx++; |
1777 | } |
1778 | |
1779 | done: |
1780 | spin_lock_irqsave(&data->txlock, flags); |
1781 | data->tx_in_flight--; |
1782 | spin_unlock_irqrestore(lock: &data->txlock, flags); |
1783 | |
1784 | kfree(objp: urb->setup_packet); |
1785 | |
1786 | kfree_skb(skb); |
1787 | } |
1788 | |
1789 | static void btusb_isoc_tx_complete(struct urb *urb) |
1790 | { |
1791 | struct sk_buff *skb = urb->context; |
1792 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
1793 | |
1794 | BT_DBG("%s urb %p status %d count %d" , hdev->name, urb, urb->status, |
1795 | urb->actual_length); |
1796 | |
1797 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
1798 | goto done; |
1799 | |
1800 | if (!urb->status) |
1801 | hdev->stat.byte_tx += urb->transfer_buffer_length; |
1802 | else |
1803 | hdev->stat.err_tx++; |
1804 | |
1805 | done: |
1806 | kfree(objp: urb->setup_packet); |
1807 | |
1808 | kfree_skb(skb); |
1809 | } |
1810 | |
1811 | static int btusb_open(struct hci_dev *hdev) |
1812 | { |
1813 | struct btusb_data *data = hci_get_drvdata(hdev); |
1814 | int err; |
1815 | |
1816 | BT_DBG("%s" , hdev->name); |
1817 | |
1818 | err = usb_autopm_get_interface(intf: data->intf); |
1819 | if (err < 0) |
1820 | return err; |
1821 | |
1822 | /* Patching USB firmware files prior to starting any URBs of HCI path |
1823 | * It is more safe to use USB bulk channel for downloading USB patch |
1824 | */ |
1825 | if (data->setup_on_usb) { |
1826 | err = data->setup_on_usb(hdev); |
1827 | if (err < 0) |
1828 | goto setup_fail; |
1829 | } |
1830 | |
1831 | data->intf->needs_remote_wakeup = 1; |
1832 | |
1833 | if (test_and_set_bit(BTUSB_INTR_RUNNING, addr: &data->flags)) |
1834 | goto done; |
1835 | |
1836 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
1837 | if (err < 0) |
1838 | goto failed; |
1839 | |
1840 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
1841 | if (err < 0) { |
1842 | usb_kill_anchored_urbs(anchor: &data->intr_anchor); |
1843 | goto failed; |
1844 | } |
1845 | |
1846 | set_bit(BTUSB_BULK_RUNNING, addr: &data->flags); |
1847 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); |
1848 | |
1849 | if (data->diag) { |
1850 | if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) |
1851 | set_bit(BTUSB_DIAG_RUNNING, addr: &data->flags); |
1852 | } |
1853 | |
1854 | done: |
1855 | usb_autopm_put_interface(intf: data->intf); |
1856 | return 0; |
1857 | |
1858 | failed: |
1859 | clear_bit(BTUSB_INTR_RUNNING, addr: &data->flags); |
1860 | setup_fail: |
1861 | usb_autopm_put_interface(intf: data->intf); |
1862 | return err; |
1863 | } |
1864 | |
1865 | static void btusb_stop_traffic(struct btusb_data *data) |
1866 | { |
1867 | usb_kill_anchored_urbs(anchor: &data->intr_anchor); |
1868 | usb_kill_anchored_urbs(anchor: &data->bulk_anchor); |
1869 | usb_kill_anchored_urbs(anchor: &data->isoc_anchor); |
1870 | usb_kill_anchored_urbs(anchor: &data->diag_anchor); |
1871 | usb_kill_anchored_urbs(anchor: &data->ctrl_anchor); |
1872 | } |
1873 | |
1874 | static int btusb_close(struct hci_dev *hdev) |
1875 | { |
1876 | struct btusb_data *data = hci_get_drvdata(hdev); |
1877 | int err; |
1878 | |
1879 | BT_DBG("%s" , hdev->name); |
1880 | |
1881 | cancel_delayed_work(dwork: &data->rx_work); |
1882 | cancel_work_sync(work: &data->work); |
1883 | cancel_work_sync(work: &data->waker); |
1884 | |
1885 | skb_queue_purge(list: &data->acl_q); |
1886 | |
1887 | clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags); |
1888 | clear_bit(BTUSB_BULK_RUNNING, addr: &data->flags); |
1889 | clear_bit(BTUSB_INTR_RUNNING, addr: &data->flags); |
1890 | clear_bit(BTUSB_DIAG_RUNNING, addr: &data->flags); |
1891 | |
1892 | btusb_stop_traffic(data); |
1893 | btusb_free_frags(data); |
1894 | |
1895 | err = usb_autopm_get_interface(intf: data->intf); |
1896 | if (err < 0) |
1897 | goto failed; |
1898 | |
1899 | data->intf->needs_remote_wakeup = 0; |
1900 | |
1901 | /* Enable remote wake up for auto-suspend */ |
1902 | if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) |
1903 | data->intf->needs_remote_wakeup = 1; |
1904 | |
1905 | usb_autopm_put_interface(intf: data->intf); |
1906 | |
1907 | failed: |
1908 | usb_scuttle_anchored_urbs(anchor: &data->deferred); |
1909 | return 0; |
1910 | } |
1911 | |
1912 | static int btusb_flush(struct hci_dev *hdev) |
1913 | { |
1914 | struct btusb_data *data = hci_get_drvdata(hdev); |
1915 | |
1916 | BT_DBG("%s" , hdev->name); |
1917 | |
1918 | cancel_delayed_work(dwork: &data->rx_work); |
1919 | |
1920 | skb_queue_purge(list: &data->acl_q); |
1921 | |
1922 | usb_kill_anchored_urbs(anchor: &data->tx_anchor); |
1923 | btusb_free_frags(data); |
1924 | |
1925 | return 0; |
1926 | } |
1927 | |
1928 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1929 | { |
1930 | struct btusb_data *data = hci_get_drvdata(hdev); |
1931 | struct usb_ctrlrequest *dr; |
1932 | struct urb *urb; |
1933 | unsigned int pipe; |
1934 | |
1935 | urb = usb_alloc_urb(iso_packets: 0, GFP_KERNEL); |
1936 | if (!urb) |
1937 | return ERR_PTR(error: -ENOMEM); |
1938 | |
1939 | dr = kmalloc(size: sizeof(*dr), GFP_KERNEL); |
1940 | if (!dr) { |
1941 | usb_free_urb(urb); |
1942 | return ERR_PTR(error: -ENOMEM); |
1943 | } |
1944 | |
1945 | dr->bRequestType = data->cmdreq_type; |
1946 | dr->bRequest = data->cmdreq; |
1947 | dr->wIndex = 0; |
1948 | dr->wValue = 0; |
1949 | dr->wLength = __cpu_to_le16(skb->len); |
1950 | |
1951 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
1952 | |
1953 | usb_fill_control_urb(urb, dev: data->udev, pipe, setup_packet: (void *)dr, |
1954 | transfer_buffer: skb->data, buffer_length: skb->len, complete_fn: btusb_tx_complete, context: skb); |
1955 | |
1956 | skb->dev = (void *)hdev; |
1957 | |
1958 | return urb; |
1959 | } |
1960 | |
1961 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1962 | { |
1963 | struct btusb_data *data = hci_get_drvdata(hdev); |
1964 | struct urb *urb; |
1965 | unsigned int pipe; |
1966 | |
1967 | if (!data->bulk_tx_ep) |
1968 | return ERR_PTR(error: -ENODEV); |
1969 | |
1970 | urb = usb_alloc_urb(iso_packets: 0, GFP_KERNEL); |
1971 | if (!urb) |
1972 | return ERR_PTR(error: -ENOMEM); |
1973 | |
1974 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
1975 | |
1976 | usb_fill_bulk_urb(urb, dev: data->udev, pipe, |
1977 | transfer_buffer: skb->data, buffer_length: skb->len, complete_fn: btusb_tx_complete, context: skb); |
1978 | |
1979 | skb->dev = (void *)hdev; |
1980 | |
1981 | return urb; |
1982 | } |
1983 | |
1984 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1985 | { |
1986 | struct btusb_data *data = hci_get_drvdata(hdev); |
1987 | struct urb *urb; |
1988 | unsigned int pipe; |
1989 | |
1990 | if (!data->isoc_tx_ep) |
1991 | return ERR_PTR(error: -ENODEV); |
1992 | |
1993 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1994 | if (!urb) |
1995 | return ERR_PTR(error: -ENOMEM); |
1996 | |
1997 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
1998 | |
1999 | usb_fill_int_urb(urb, dev: data->udev, pipe, |
2000 | transfer_buffer: skb->data, buffer_length: skb->len, complete_fn: btusb_isoc_tx_complete, |
2001 | context: skb, interval: data->isoc_tx_ep->bInterval); |
2002 | |
2003 | urb->transfer_flags = URB_ISO_ASAP; |
2004 | |
2005 | if (data->isoc_altsetting == 6) |
2006 | __fill_isoc_descriptor_msbc(urb, len: skb->len, |
2007 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize), |
2008 | data); |
2009 | else |
2010 | __fill_isoc_descriptor(urb, len: skb->len, |
2011 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); |
2012 | skb->dev = (void *)hdev; |
2013 | |
2014 | return urb; |
2015 | } |
2016 | |
2017 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) |
2018 | { |
2019 | struct btusb_data *data = hci_get_drvdata(hdev); |
2020 | int err; |
2021 | |
2022 | usb_anchor_urb(urb, anchor: &data->tx_anchor); |
2023 | |
2024 | err = usb_submit_urb(urb, GFP_KERNEL); |
2025 | if (err < 0) { |
2026 | if (err != -EPERM && err != -ENODEV) |
2027 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
2028 | urb, -err); |
2029 | kfree(objp: urb->setup_packet); |
2030 | usb_unanchor_urb(urb); |
2031 | } else { |
2032 | usb_mark_last_busy(udev: data->udev); |
2033 | } |
2034 | |
2035 | usb_free_urb(urb); |
2036 | return err; |
2037 | } |
2038 | |
2039 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
2040 | { |
2041 | struct btusb_data *data = hci_get_drvdata(hdev); |
2042 | unsigned long flags; |
2043 | bool suspending; |
2044 | |
2045 | spin_lock_irqsave(&data->txlock, flags); |
2046 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); |
2047 | if (!suspending) |
2048 | data->tx_in_flight++; |
2049 | spin_unlock_irqrestore(lock: &data->txlock, flags); |
2050 | |
2051 | if (!suspending) |
2052 | return submit_tx_urb(hdev, urb); |
2053 | |
2054 | usb_anchor_urb(urb, anchor: &data->deferred); |
2055 | schedule_work(work: &data->waker); |
2056 | |
2057 | usb_free_urb(urb); |
2058 | return 0; |
2059 | } |
2060 | |
2061 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
2062 | { |
2063 | struct urb *urb; |
2064 | |
2065 | BT_DBG("%s" , hdev->name); |
2066 | |
2067 | switch (hci_skb_pkt_type(skb)) { |
2068 | case HCI_COMMAND_PKT: |
2069 | urb = alloc_ctrl_urb(hdev, skb); |
2070 | if (IS_ERR(ptr: urb)) |
2071 | return PTR_ERR(ptr: urb); |
2072 | |
2073 | hdev->stat.cmd_tx++; |
2074 | return submit_or_queue_tx_urb(hdev, urb); |
2075 | |
2076 | case HCI_ACLDATA_PKT: |
2077 | urb = alloc_bulk_urb(hdev, skb); |
2078 | if (IS_ERR(ptr: urb)) |
2079 | return PTR_ERR(ptr: urb); |
2080 | |
2081 | hdev->stat.acl_tx++; |
2082 | return submit_or_queue_tx_urb(hdev, urb); |
2083 | |
2084 | case HCI_SCODATA_PKT: |
2085 | if (hci_conn_num(hdev, SCO_LINK) < 1) |
2086 | return -ENODEV; |
2087 | |
2088 | urb = alloc_isoc_urb(hdev, skb); |
2089 | if (IS_ERR(ptr: urb)) |
2090 | return PTR_ERR(ptr: urb); |
2091 | |
2092 | hdev->stat.sco_tx++; |
2093 | return submit_tx_urb(hdev, urb); |
2094 | |
2095 | case HCI_ISODATA_PKT: |
2096 | urb = alloc_bulk_urb(hdev, skb); |
2097 | if (IS_ERR(ptr: urb)) |
2098 | return PTR_ERR(ptr: urb); |
2099 | |
2100 | return submit_or_queue_tx_urb(hdev, urb); |
2101 | } |
2102 | |
2103 | return -EILSEQ; |
2104 | } |
2105 | |
2106 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
2107 | { |
2108 | struct btusb_data *data = hci_get_drvdata(hdev); |
2109 | |
2110 | BT_DBG("%s evt %d" , hdev->name, evt); |
2111 | |
2112 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
2113 | data->sco_num = hci_conn_num(hdev, SCO_LINK); |
2114 | data->air_mode = evt; |
2115 | schedule_work(work: &data->work); |
2116 | } |
2117 | } |
2118 | |
2119 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
2120 | { |
2121 | struct btusb_data *data = hci_get_drvdata(hdev); |
2122 | struct usb_interface *intf = data->isoc; |
2123 | struct usb_endpoint_descriptor *ep_desc; |
2124 | int i, err; |
2125 | |
2126 | if (!data->isoc) |
2127 | return -ENODEV; |
2128 | |
2129 | err = usb_set_interface(dev: data->udev, ifnum: data->isoc_ifnum, alternate: altsetting); |
2130 | if (err < 0) { |
2131 | bt_dev_err(hdev, "setting interface failed (%d)" , -err); |
2132 | return err; |
2133 | } |
2134 | |
2135 | data->isoc_altsetting = altsetting; |
2136 | |
2137 | data->isoc_tx_ep = NULL; |
2138 | data->isoc_rx_ep = NULL; |
2139 | |
2140 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
2141 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
2142 | |
2143 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(epd: ep_desc)) { |
2144 | data->isoc_tx_ep = ep_desc; |
2145 | continue; |
2146 | } |
2147 | |
2148 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(epd: ep_desc)) { |
2149 | data->isoc_rx_ep = ep_desc; |
2150 | continue; |
2151 | } |
2152 | } |
2153 | |
2154 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { |
2155 | bt_dev_err(hdev, "invalid SCO descriptors" ); |
2156 | return -ENODEV; |
2157 | } |
2158 | |
2159 | return 0; |
2160 | } |
2161 | |
2162 | static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts) |
2163 | { |
2164 | struct btusb_data *data = hci_get_drvdata(hdev); |
2165 | int err; |
2166 | |
2167 | if (data->isoc_altsetting != new_alts) { |
2168 | unsigned long flags; |
2169 | |
2170 | clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags); |
2171 | usb_kill_anchored_urbs(anchor: &data->isoc_anchor); |
2172 | |
2173 | /* When isochronous alternate setting needs to be |
2174 | * changed, because SCO connection has been added |
2175 | * or removed, a packet fragment may be left in the |
2176 | * reassembling state. This could lead to wrongly |
2177 | * assembled fragments. |
2178 | * |
2179 | * Clear outstanding fragment when selecting a new |
2180 | * alternate setting. |
2181 | */ |
2182 | spin_lock_irqsave(&data->rxlock, flags); |
2183 | dev_kfree_skb_irq(skb: data->sco_skb); |
2184 | data->sco_skb = NULL; |
2185 | spin_unlock_irqrestore(lock: &data->rxlock, flags); |
2186 | |
2187 | err = __set_isoc_interface(hdev, altsetting: new_alts); |
2188 | if (err < 0) |
2189 | return err; |
2190 | } |
2191 | |
2192 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, addr: &data->flags)) { |
2193 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
2194 | clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags); |
2195 | else |
2196 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
2197 | } |
2198 | |
2199 | return 0; |
2200 | } |
2201 | |
2202 | static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data, |
2203 | int alt) |
2204 | { |
2205 | struct usb_interface *intf = data->isoc; |
2206 | int i; |
2207 | |
2208 | BT_DBG("Looking for Alt no :%d" , alt); |
2209 | |
2210 | if (!intf) |
2211 | return NULL; |
2212 | |
2213 | for (i = 0; i < intf->num_altsetting; i++) { |
2214 | if (intf->altsetting[i].desc.bAlternateSetting == alt) |
2215 | return &intf->altsetting[i]; |
2216 | } |
2217 | |
2218 | return NULL; |
2219 | } |
2220 | |
2221 | static void btusb_work(struct work_struct *work) |
2222 | { |
2223 | struct btusb_data *data = container_of(work, struct btusb_data, work); |
2224 | struct hci_dev *hdev = data->hdev; |
2225 | int new_alts = 0; |
2226 | int err; |
2227 | |
2228 | if (data->sco_num > 0) { |
2229 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
2230 | err = usb_autopm_get_interface(intf: data->isoc ? data->isoc : data->intf); |
2231 | if (err < 0) { |
2232 | clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags); |
2233 | usb_kill_anchored_urbs(anchor: &data->isoc_anchor); |
2234 | return; |
2235 | } |
2236 | |
2237 | set_bit(BTUSB_DID_ISO_RESUME, addr: &data->flags); |
2238 | } |
2239 | |
2240 | if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) { |
2241 | if (hdev->voice_setting & 0x0020) { |
2242 | static const int alts[3] = { 2, 4, 5 }; |
2243 | |
2244 | new_alts = alts[data->sco_num - 1]; |
2245 | } else { |
2246 | new_alts = data->sco_num; |
2247 | } |
2248 | } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) { |
2249 | /* Bluetooth USB spec recommends alt 6 (63 bytes), but |
2250 | * many adapters do not support it. Alt 1 appears to |
2251 | * work for all adapters that do not have alt 6, and |
2252 | * which work with WBS at all. Some devices prefer |
2253 | * alt 3 (HCI payload >= 60 Bytes let air packet |
2254 | * data satisfy 60 bytes), requiring |
2255 | * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72 |
2256 | * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1. |
2257 | */ |
2258 | if (btusb_find_altsetting(data, alt: 6)) |
2259 | new_alts = 6; |
2260 | else if (btusb_find_altsetting(data, alt: 3) && |
2261 | hdev->sco_mtu >= 72 && |
2262 | test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags)) |
2263 | new_alts = 3; |
2264 | else |
2265 | new_alts = 1; |
2266 | } |
2267 | |
2268 | if (btusb_switch_alt_setting(hdev, new_alts) < 0) |
2269 | bt_dev_err(hdev, "set USB alt:(%d) failed!" , new_alts); |
2270 | } else { |
2271 | usb_kill_anchored_urbs(anchor: &data->isoc_anchor); |
2272 | |
2273 | if (test_and_clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags)) |
2274 | __set_isoc_interface(hdev, altsetting: 0); |
2275 | |
2276 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, addr: &data->flags)) |
2277 | usb_autopm_put_interface(intf: data->isoc ? data->isoc : data->intf); |
2278 | } |
2279 | } |
2280 | |
2281 | static void btusb_waker(struct work_struct *work) |
2282 | { |
2283 | struct btusb_data *data = container_of(work, struct btusb_data, waker); |
2284 | int err; |
2285 | |
2286 | err = usb_autopm_get_interface(intf: data->intf); |
2287 | if (err < 0) |
2288 | return; |
2289 | |
2290 | usb_autopm_put_interface(intf: data->intf); |
2291 | } |
2292 | |
2293 | static void btusb_rx_work(struct work_struct *work) |
2294 | { |
2295 | struct btusb_data *data = container_of(work, struct btusb_data, |
2296 | rx_work.work); |
2297 | struct sk_buff *skb; |
2298 | |
2299 | /* Dequeue ACL data received during the interval */ |
2300 | while ((skb = skb_dequeue(list: &data->acl_q))) |
2301 | data->recv_acl(data->hdev, skb); |
2302 | } |
2303 | |
2304 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
2305 | { |
2306 | struct sk_buff *skb; |
2307 | u8 val = 0x00; |
2308 | |
2309 | BT_DBG("%s" , hdev->name); |
2310 | |
2311 | skb = __hci_cmd_sync(hdev, opcode: 0xfc3b, plen: 1, param: &val, HCI_INIT_TIMEOUT); |
2312 | if (IS_ERR(ptr: skb)) |
2313 | bt_dev_err(hdev, "BCM92035 command failed (%ld)" , PTR_ERR(skb)); |
2314 | else |
2315 | kfree_skb(skb); |
2316 | |
2317 | return 0; |
2318 | } |
2319 | |
2320 | static int btusb_setup_csr(struct hci_dev *hdev) |
2321 | { |
2322 | struct btusb_data *data = hci_get_drvdata(hdev); |
2323 | u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice); |
2324 | struct hci_rp_read_local_version *rp; |
2325 | struct sk_buff *skb; |
2326 | bool is_fake = false; |
2327 | int ret; |
2328 | |
2329 | BT_DBG("%s" , hdev->name); |
2330 | |
2331 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, plen: 0, NULL, |
2332 | HCI_INIT_TIMEOUT); |
2333 | if (IS_ERR(ptr: skb)) { |
2334 | int err = PTR_ERR(ptr: skb); |
2335 | bt_dev_err(hdev, "CSR: Local version failed (%d)" , err); |
2336 | return err; |
2337 | } |
2338 | |
2339 | rp = skb_pull_data(skb, len: sizeof(*rp)); |
2340 | if (!rp) { |
2341 | bt_dev_err(hdev, "CSR: Local version length mismatch" ); |
2342 | kfree_skb(skb); |
2343 | return -EIO; |
2344 | } |
2345 | |
2346 | bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x" , |
2347 | rp->hci_ver, le16_to_cpu(rp->hci_rev)); |
2348 | |
2349 | bt_dev_info(hdev, "LMP ver=%u subver=%04x; manufacturer=%u" , |
2350 | rp->lmp_ver, le16_to_cpu(rp->lmp_subver), |
2351 | le16_to_cpu(rp->manufacturer)); |
2352 | |
2353 | /* Detect a wide host of Chinese controllers that aren't CSR. |
2354 | * |
2355 | * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891 |
2356 | * |
2357 | * The main thing they have in common is that these are really popular low-cost |
2358 | * options that support newer Bluetooth versions but rely on heavy VID/PID |
2359 | * squatting of this poor old Bluetooth 1.1 device. Even sold as such. |
2360 | * |
2361 | * We detect actual CSR devices by checking that the HCI manufacturer code |
2362 | * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and |
2363 | * HCI rev values always match. As they both store the firmware number. |
2364 | */ |
2365 | if (le16_to_cpu(rp->manufacturer) != 10 || |
2366 | le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver)) |
2367 | is_fake = true; |
2368 | |
2369 | /* Known legit CSR firmware build numbers and their supported BT versions: |
2370 | * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e |
2371 | * - 1.2 (0x2) -> 0x04d9, 0x0529 |
2372 | * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c |
2373 | * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External) |
2374 | * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb |
2375 | * |
2376 | * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that |
2377 | * support BT 1.1 only; so it's a dead giveaway when some |
2378 | * third-party BT 4.0 dongle reuses it. |
2379 | */ |
2380 | else if (le16_to_cpu(rp->lmp_subver) <= 0x034e && |
2381 | rp->hci_ver > BLUETOOTH_VER_1_1) |
2382 | is_fake = true; |
2383 | |
2384 | else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 && |
2385 | rp->hci_ver > BLUETOOTH_VER_1_2) |
2386 | is_fake = true; |
2387 | |
2388 | else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c && |
2389 | rp->hci_ver > BLUETOOTH_VER_2_0) |
2390 | is_fake = true; |
2391 | |
2392 | else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 && |
2393 | rp->hci_ver > BLUETOOTH_VER_2_1) |
2394 | is_fake = true; |
2395 | |
2396 | else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb && |
2397 | rp->hci_ver > BLUETOOTH_VER_4_0) |
2398 | is_fake = true; |
2399 | |
2400 | /* Other clones which beat all the above checks */ |
2401 | else if (bcdDevice == 0x0134 && |
2402 | le16_to_cpu(rp->lmp_subver) == 0x0c5c && |
2403 | rp->hci_ver == BLUETOOTH_VER_2_0) |
2404 | is_fake = true; |
2405 | |
2406 | if (is_fake) { |
2407 | bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once..." ); |
2408 | |
2409 | /* Generally these clones have big discrepancies between |
2410 | * advertised features and what's actually supported. |
2411 | * Probably will need to be expanded in the future; |
2412 | * without these the controller will lock up. |
2413 | */ |
2414 | set_bit(nr: HCI_QUIRK_BROKEN_STORED_LINK_KEY, addr: &hdev->quirks); |
2415 | set_bit(nr: HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, addr: &hdev->quirks); |
2416 | set_bit(nr: HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL, addr: &hdev->quirks); |
2417 | set_bit(nr: HCI_QUIRK_NO_SUSPEND_NOTIFIER, addr: &hdev->quirks); |
2418 | |
2419 | /* Clear the reset quirk since this is not an actual |
2420 | * early Bluetooth 1.1 device from CSR. |
2421 | */ |
2422 | clear_bit(nr: HCI_QUIRK_RESET_ON_CLOSE, addr: &hdev->quirks); |
2423 | clear_bit(nr: HCI_QUIRK_SIMULTANEOUS_DISCOVERY, addr: &hdev->quirks); |
2424 | |
2425 | /* |
2426 | * Special workaround for these BT 4.0 chip clones, and potentially more: |
2427 | * |
2428 | * - 0x0134: a Barrot 8041a02 (HCI rev: 0x0810 sub: 0x1012) |
2429 | * - 0x7558: IC markings FR3191AHAL 749H15143 (HCI rev/sub-version: 0x0709) |
2430 | * |
2431 | * These controllers are really messed-up. |
2432 | * |
2433 | * 1. Their bulk RX endpoint will never report any data unless |
2434 | * the device was suspended at least once (yes, really). |
2435 | * 2. They will not wakeup when autosuspended and receiving data |
2436 | * on their bulk RX endpoint from e.g. a keyboard or mouse |
2437 | * (IOW remote-wakeup support is broken for the bulk endpoint). |
2438 | * |
2439 | * To fix 1. enable runtime-suspend, force-suspend the |
2440 | * HCI and then wake-it up by disabling runtime-suspend. |
2441 | * |
2442 | * To fix 2. clear the HCI's can_wake flag, this way the HCI |
2443 | * will still be autosuspended when it is not open. |
2444 | * |
2445 | * -- |
2446 | * |
2447 | * Because these are widespread problems we prefer generic solutions; so |
2448 | * apply this initialization quirk to every controller that gets here, |
2449 | * it should be harmless. The alternative is to not work at all. |
2450 | */ |
2451 | pm_runtime_allow(dev: &data->udev->dev); |
2452 | |
2453 | ret = pm_runtime_suspend(dev: &data->udev->dev); |
2454 | if (ret >= 0) |
2455 | msleep(msecs: 200); |
2456 | else |
2457 | bt_dev_warn(hdev, "CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround" ); |
2458 | |
2459 | pm_runtime_forbid(dev: &data->udev->dev); |
2460 | |
2461 | device_set_wakeup_capable(dev: &data->udev->dev, capable: false); |
2462 | |
2463 | /* Re-enable autosuspend if this was requested */ |
2464 | if (enable_autosuspend) |
2465 | usb_enable_autosuspend(udev: data->udev); |
2466 | } |
2467 | |
2468 | kfree_skb(skb); |
2469 | |
2470 | return 0; |
2471 | } |
2472 | |
2473 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
2474 | { |
2475 | struct sk_buff *skb; |
2476 | struct hci_event_hdr *hdr; |
2477 | struct hci_ev_cmd_complete *evt; |
2478 | |
2479 | skb = bt_skb_alloc(len: sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); |
2480 | if (!skb) |
2481 | return -ENOMEM; |
2482 | |
2483 | hdr = skb_put(skb, len: sizeof(*hdr)); |
2484 | hdr->evt = HCI_EV_CMD_COMPLETE; |
2485 | hdr->plen = sizeof(*evt) + 1; |
2486 | |
2487 | evt = skb_put(skb, len: sizeof(*evt)); |
2488 | evt->ncmd = 0x01; |
2489 | evt->opcode = cpu_to_le16(opcode); |
2490 | |
2491 | skb_put_u8(skb, val: 0x00); |
2492 | |
2493 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
2494 | |
2495 | return hci_recv_frame(hdev, skb); |
2496 | } |
2497 | |
2498 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, |
2499 | int count) |
2500 | { |
2501 | struct hci_dev *hdev = data->hdev; |
2502 | |
2503 | /* When the device is in bootloader mode, then it can send |
2504 | * events via the bulk endpoint. These events are treated the |
2505 | * same way as the ones received from the interrupt endpoint. |
2506 | */ |
2507 | if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) |
2508 | return btusb_recv_intr(data, buffer, count); |
2509 | |
2510 | return btusb_recv_bulk(data, buffer, count); |
2511 | } |
2512 | |
2513 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) |
2514 | { |
2515 | struct urb *urb; |
2516 | |
2517 | BT_DBG("%s" , hdev->name); |
2518 | |
2519 | switch (hci_skb_pkt_type(skb)) { |
2520 | case HCI_COMMAND_PKT: |
2521 | if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) { |
2522 | struct hci_command_hdr *cmd = (void *)skb->data; |
2523 | __u16 opcode = le16_to_cpu(cmd->opcode); |
2524 | |
2525 | /* When in bootloader mode and the command 0xfc09 |
2526 | * is received, it needs to be send down the |
2527 | * bulk endpoint. So allocate a bulk URB instead. |
2528 | */ |
2529 | if (opcode == 0xfc09) |
2530 | urb = alloc_bulk_urb(hdev, skb); |
2531 | else |
2532 | urb = alloc_ctrl_urb(hdev, skb); |
2533 | |
2534 | /* When the 0xfc01 command is issued to boot into |
2535 | * the operational firmware, it will actually not |
2536 | * send a command complete event. To keep the flow |
2537 | * control working inject that event here. |
2538 | */ |
2539 | if (opcode == 0xfc01) |
2540 | inject_cmd_complete(hdev, opcode); |
2541 | } else { |
2542 | urb = alloc_ctrl_urb(hdev, skb); |
2543 | } |
2544 | if (IS_ERR(ptr: urb)) |
2545 | return PTR_ERR(ptr: urb); |
2546 | |
2547 | hdev->stat.cmd_tx++; |
2548 | return submit_or_queue_tx_urb(hdev, urb); |
2549 | |
2550 | case HCI_ACLDATA_PKT: |
2551 | urb = alloc_bulk_urb(hdev, skb); |
2552 | if (IS_ERR(ptr: urb)) |
2553 | return PTR_ERR(ptr: urb); |
2554 | |
2555 | hdev->stat.acl_tx++; |
2556 | return submit_or_queue_tx_urb(hdev, urb); |
2557 | |
2558 | case HCI_SCODATA_PKT: |
2559 | if (hci_conn_num(hdev, SCO_LINK) < 1) |
2560 | return -ENODEV; |
2561 | |
2562 | urb = alloc_isoc_urb(hdev, skb); |
2563 | if (IS_ERR(ptr: urb)) |
2564 | return PTR_ERR(ptr: urb); |
2565 | |
2566 | hdev->stat.sco_tx++; |
2567 | return submit_tx_urb(hdev, urb); |
2568 | |
2569 | case HCI_ISODATA_PKT: |
2570 | urb = alloc_bulk_urb(hdev, skb); |
2571 | if (IS_ERR(ptr: urb)) |
2572 | return PTR_ERR(ptr: urb); |
2573 | |
2574 | return submit_or_queue_tx_urb(hdev, urb); |
2575 | } |
2576 | |
2577 | return -EILSEQ; |
2578 | } |
2579 | |
2580 | static int btusb_setup_realtek(struct hci_dev *hdev) |
2581 | { |
2582 | struct btusb_data *data = hci_get_drvdata(hdev); |
2583 | int ret; |
2584 | |
2585 | ret = btrtl_setup_realtek(hdev); |
2586 | |
2587 | if (btrealtek_test_flag(data->hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP)) |
2588 | set_bit(BTUSB_ALT6_CONTINUOUS_TX, addr: &data->flags); |
2589 | |
2590 | return ret; |
2591 | } |
2592 | |
2593 | static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb) |
2594 | { |
2595 | if (skb->data[0] == HCI_VENDOR_PKT && skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) { |
2596 | struct rtk_dev_coredump_hdr hdr = { |
2597 | .code = RTK_DEVCOREDUMP_CODE_MEMDUMP, |
2598 | }; |
2599 | |
2600 | bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u" , |
2601 | skb->len); |
2602 | |
2603 | btusb_rtl_alloc_devcoredump(hdev, hdr: &hdr, buf: skb->data, len: skb->len); |
2604 | kfree_skb(skb); |
2605 | |
2606 | return 0; |
2607 | } |
2608 | |
2609 | return hci_recv_frame(hdev, skb); |
2610 | } |
2611 | |
2612 | /* UHW CR mapping */ |
2613 | #define MTK_BT_MISC 0x70002510 |
2614 | #define MTK_BT_SUBSYS_RST 0x70002610 |
2615 | #define MTK_UDMA_INT_STA_BT 0x74000024 |
2616 | #define MTK_UDMA_INT_STA_BT1 0x74000308 |
2617 | #define MTK_BT_WDT_STATUS 0x740003A0 |
2618 | #define MTK_EP_RST_OPT 0x74011890 |
2619 | #define MTK_EP_RST_IN_OUT_OPT 0x00010001 |
2620 | #define MTK_BT_RST_DONE 0x00000100 |
2621 | #define MTK_BT_RESET_REG_CONNV3 0x70028610 |
2622 | #define MTK_BT_READ_DEV_ID 0x70010200 |
2623 | |
2624 | |
2625 | static void btusb_mtk_wmt_recv(struct urb *urb) |
2626 | { |
2627 | struct hci_dev *hdev = urb->context; |
2628 | struct btusb_data *data = hci_get_drvdata(hdev); |
2629 | struct sk_buff *skb; |
2630 | int err; |
2631 | |
2632 | if (urb->status == 0 && urb->actual_length > 0) { |
2633 | hdev->stat.byte_rx += urb->actual_length; |
2634 | |
2635 | /* WMT event shouldn't be fragmented and the size should be |
2636 | * less than HCI_WMT_MAX_EVENT_SIZE. |
2637 | */ |
2638 | skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC); |
2639 | if (!skb) { |
2640 | hdev->stat.err_rx++; |
2641 | kfree(objp: urb->setup_packet); |
2642 | return; |
2643 | } |
2644 | |
2645 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
2646 | skb_put_data(skb, data: urb->transfer_buffer, len: urb->actual_length); |
2647 | |
2648 | /* When someone waits for the WMT event, the skb is being cloned |
2649 | * and being processed the events from there then. |
2650 | */ |
2651 | if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) { |
2652 | data->evt_skb = skb_clone(skb, GFP_ATOMIC); |
2653 | if (!data->evt_skb) { |
2654 | kfree_skb(skb); |
2655 | kfree(objp: urb->setup_packet); |
2656 | return; |
2657 | } |
2658 | } |
2659 | |
2660 | err = hci_recv_frame(hdev, skb); |
2661 | if (err < 0) { |
2662 | kfree_skb(skb: data->evt_skb); |
2663 | data->evt_skb = NULL; |
2664 | kfree(objp: urb->setup_packet); |
2665 | return; |
2666 | } |
2667 | |
2668 | if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT, |
2669 | addr: &data->flags)) { |
2670 | /* Barrier to sync with other CPUs */ |
2671 | smp_mb__after_atomic(); |
2672 | wake_up_bit(word: &data->flags, |
2673 | BTUSB_TX_WAIT_VND_EVT); |
2674 | } |
2675 | kfree(objp: urb->setup_packet); |
2676 | return; |
2677 | } else if (urb->status == -ENOENT) { |
2678 | /* Avoid suspend failed when usb_kill_urb */ |
2679 | return; |
2680 | } |
2681 | |
2682 | usb_mark_last_busy(udev: data->udev); |
2683 | |
2684 | /* The URB complete handler is still called with urb->actual_length = 0 |
2685 | * when the event is not available, so we should keep re-submitting |
2686 | * URB until WMT event returns, Also, It's necessary to wait some time |
2687 | * between the two consecutive control URBs to relax the target device |
2688 | * to generate the event. Otherwise, the WMT event cannot return from |
2689 | * the device successfully. |
2690 | */ |
2691 | udelay(500); |
2692 | |
2693 | usb_anchor_urb(urb, anchor: &data->ctrl_anchor); |
2694 | err = usb_submit_urb(urb, GFP_ATOMIC); |
2695 | if (err < 0) { |
2696 | kfree(objp: urb->setup_packet); |
2697 | /* -EPERM: urb is being killed; |
2698 | * -ENODEV: device got disconnected |
2699 | */ |
2700 | if (err != -EPERM && err != -ENODEV) |
2701 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)" , |
2702 | urb, -err); |
2703 | usb_unanchor_urb(urb); |
2704 | } |
2705 | } |
2706 | |
2707 | static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev) |
2708 | { |
2709 | struct btusb_data *data = hci_get_drvdata(hdev); |
2710 | struct usb_ctrlrequest *dr; |
2711 | unsigned char *buf; |
2712 | int err, size = 64; |
2713 | unsigned int pipe; |
2714 | struct urb *urb; |
2715 | |
2716 | urb = usb_alloc_urb(iso_packets: 0, GFP_KERNEL); |
2717 | if (!urb) |
2718 | return -ENOMEM; |
2719 | |
2720 | dr = kmalloc(size: sizeof(*dr), GFP_KERNEL); |
2721 | if (!dr) { |
2722 | usb_free_urb(urb); |
2723 | return -ENOMEM; |
2724 | } |
2725 | |
2726 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN; |
2727 | dr->bRequest = 1; |
2728 | dr->wIndex = cpu_to_le16(0); |
2729 | dr->wValue = cpu_to_le16(48); |
2730 | dr->wLength = cpu_to_le16(size); |
2731 | |
2732 | buf = kmalloc(size, GFP_KERNEL); |
2733 | if (!buf) { |
2734 | kfree(objp: dr); |
2735 | usb_free_urb(urb); |
2736 | return -ENOMEM; |
2737 | } |
2738 | |
2739 | pipe = usb_rcvctrlpipe(data->udev, 0); |
2740 | |
2741 | usb_fill_control_urb(urb, dev: data->udev, pipe, setup_packet: (void *)dr, |
2742 | transfer_buffer: buf, buffer_length: size, complete_fn: btusb_mtk_wmt_recv, context: hdev); |
2743 | |
2744 | urb->transfer_flags |= URB_FREE_BUFFER; |
2745 | |
2746 | usb_anchor_urb(urb, anchor: &data->ctrl_anchor); |
2747 | err = usb_submit_urb(urb, GFP_KERNEL); |
2748 | if (err < 0) { |
2749 | if (err != -EPERM && err != -ENODEV) |
2750 | bt_dev_err(hdev, "urb %p submission failed (%d)" , |
2751 | urb, -err); |
2752 | usb_unanchor_urb(urb); |
2753 | } |
2754 | |
2755 | usb_free_urb(urb); |
2756 | |
2757 | return err; |
2758 | } |
2759 | |
2760 | static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev, |
2761 | struct btmtk_hci_wmt_params *wmt_params) |
2762 | { |
2763 | struct btusb_data *data = hci_get_drvdata(hdev); |
2764 | struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc; |
2765 | u32 hlen, status = BTMTK_WMT_INVALID; |
2766 | struct btmtk_hci_wmt_evt *wmt_evt; |
2767 | struct btmtk_hci_wmt_cmd *wc; |
2768 | struct btmtk_wmt_hdr *hdr; |
2769 | int err; |
2770 | |
2771 | /* Send the WMT command and wait until the WMT event returns */ |
2772 | hlen = sizeof(*hdr) + wmt_params->dlen; |
2773 | if (hlen > 255) |
2774 | return -EINVAL; |
2775 | |
2776 | wc = kzalloc(size: hlen, GFP_KERNEL); |
2777 | if (!wc) |
2778 | return -ENOMEM; |
2779 | |
2780 | hdr = &wc->hdr; |
2781 | hdr->dir = 1; |
2782 | hdr->op = wmt_params->op; |
2783 | hdr->dlen = cpu_to_le16(wmt_params->dlen + 1); |
2784 | hdr->flag = wmt_params->flag; |
2785 | memcpy(wc->data, wmt_params->data, wmt_params->dlen); |
2786 | |
2787 | set_bit(BTUSB_TX_WAIT_VND_EVT, addr: &data->flags); |
2788 | |
2789 | /* WMT cmd/event doesn't follow up the generic HCI cmd/event handling, |
2790 | * it needs constantly polling control pipe until the host received the |
2791 | * WMT event, thus, we should require to specifically acquire PM counter |
2792 | * on the USB to prevent the interface from entering auto suspended |
2793 | * while WMT cmd/event in progress. |
2794 | */ |
2795 | err = usb_autopm_get_interface(intf: data->intf); |
2796 | if (err < 0) |
2797 | goto err_free_wc; |
2798 | |
2799 | err = __hci_cmd_send(hdev, opcode: 0xfc6f, plen: hlen, param: wc); |
2800 | |
2801 | if (err < 0) { |
2802 | clear_bit(BTUSB_TX_WAIT_VND_EVT, addr: &data->flags); |
2803 | usb_autopm_put_interface(intf: data->intf); |
2804 | goto err_free_wc; |
2805 | } |
2806 | |
2807 | /* Submit control IN URB on demand to process the WMT event */ |
2808 | err = btusb_mtk_submit_wmt_recv_urb(hdev); |
2809 | |
2810 | usb_autopm_put_interface(intf: data->intf); |
2811 | |
2812 | if (err < 0) |
2813 | goto err_free_wc; |
2814 | |
2815 | /* The vendor specific WMT commands are all answered by a vendor |
2816 | * specific event and will have the Command Status or Command |
2817 | * Complete as with usual HCI command flow control. |
2818 | * |
2819 | * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT |
2820 | * state to be cleared. The driver specific event receive routine |
2821 | * will clear that state and with that indicate completion of the |
2822 | * WMT command. |
2823 | */ |
2824 | err = wait_on_bit_timeout(word: &data->flags, BTUSB_TX_WAIT_VND_EVT, |
2825 | TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT); |
2826 | if (err == -EINTR) { |
2827 | bt_dev_err(hdev, "Execution of wmt command interrupted" ); |
2828 | clear_bit(BTUSB_TX_WAIT_VND_EVT, addr: &data->flags); |
2829 | goto err_free_wc; |
2830 | } |
2831 | |
2832 | if (err) { |
2833 | bt_dev_err(hdev, "Execution of wmt command timed out" ); |
2834 | clear_bit(BTUSB_TX_WAIT_VND_EVT, addr: &data->flags); |
2835 | err = -ETIMEDOUT; |
2836 | goto err_free_wc; |
2837 | } |
2838 | |
2839 | if (data->evt_skb == NULL) |
2840 | goto err_free_wc; |
2841 | |
2842 | /* Parse and handle the return WMT event */ |
2843 | wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data; |
2844 | if (wmt_evt->whdr.op != hdr->op) { |
2845 | bt_dev_err(hdev, "Wrong op received %d expected %d" , |
2846 | wmt_evt->whdr.op, hdr->op); |
2847 | err = -EIO; |
2848 | goto err_free_skb; |
2849 | } |
2850 | |
2851 | switch (wmt_evt->whdr.op) { |
2852 | case BTMTK_WMT_SEMAPHORE: |
2853 | if (wmt_evt->whdr.flag == 2) |
2854 | status = BTMTK_WMT_PATCH_UNDONE; |
2855 | else |
2856 | status = BTMTK_WMT_PATCH_DONE; |
2857 | break; |
2858 | case BTMTK_WMT_FUNC_CTRL: |
2859 | wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt; |
2860 | if (be16_to_cpu(wmt_evt_funcc->status) == 0x404) |
2861 | status = BTMTK_WMT_ON_DONE; |
2862 | else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420) |
2863 | status = BTMTK_WMT_ON_PROGRESS; |
2864 | else |
2865 | status = BTMTK_WMT_ON_UNDONE; |
2866 | break; |
2867 | case BTMTK_WMT_PATCH_DWNLD: |
2868 | if (wmt_evt->whdr.flag == 2) |
2869 | status = BTMTK_WMT_PATCH_DONE; |
2870 | else if (wmt_evt->whdr.flag == 1) |
2871 | status = BTMTK_WMT_PATCH_PROGRESS; |
2872 | else |
2873 | status = BTMTK_WMT_PATCH_UNDONE; |
2874 | break; |
2875 | } |
2876 | |
2877 | if (wmt_params->status) |
2878 | *wmt_params->status = status; |
2879 | |
2880 | err_free_skb: |
2881 | kfree_skb(skb: data->evt_skb); |
2882 | data->evt_skb = NULL; |
2883 | err_free_wc: |
2884 | kfree(objp: wc); |
2885 | return err; |
2886 | } |
2887 | |
2888 | static int btusb_mtk_func_query(struct hci_dev *hdev) |
2889 | { |
2890 | struct btmtk_hci_wmt_params wmt_params; |
2891 | int status, err; |
2892 | u8 param = 0; |
2893 | |
2894 | /* Query whether the function is enabled */ |
2895 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; |
2896 | wmt_params.flag = 4; |
2897 | wmt_params.dlen = sizeof(param); |
2898 | wmt_params.data = ¶m; |
2899 | wmt_params.status = &status; |
2900 | |
2901 | err = btusb_mtk_hci_wmt_sync(hdev, wmt_params: &wmt_params); |
2902 | if (err < 0) { |
2903 | bt_dev_err(hdev, "Failed to query function status (%d)" , err); |
2904 | return err; |
2905 | } |
2906 | |
2907 | return status; |
2908 | } |
2909 | |
2910 | static int btusb_mtk_uhw_reg_write(struct btusb_data *data, u32 reg, u32 val) |
2911 | { |
2912 | struct hci_dev *hdev = data->hdev; |
2913 | int pipe, err; |
2914 | void *buf; |
2915 | |
2916 | buf = kzalloc(size: 4, GFP_KERNEL); |
2917 | if (!buf) |
2918 | return -ENOMEM; |
2919 | |
2920 | put_unaligned_le32(val, p: buf); |
2921 | |
2922 | pipe = usb_sndctrlpipe(data->udev, 0); |
2923 | err = usb_control_msg(dev: data->udev, pipe, request: 0x02, |
2924 | requesttype: 0x5E, |
2925 | value: reg >> 16, index: reg & 0xffff, |
2926 | data: buf, size: 4, USB_CTRL_SET_TIMEOUT); |
2927 | if (err < 0) { |
2928 | bt_dev_err(hdev, "Failed to write uhw reg(%d)" , err); |
2929 | goto err_free_buf; |
2930 | } |
2931 | |
2932 | err_free_buf: |
2933 | kfree(objp: buf); |
2934 | |
2935 | return err; |
2936 | } |
2937 | |
2938 | static int btusb_mtk_uhw_reg_read(struct btusb_data *data, u32 reg, u32 *val) |
2939 | { |
2940 | struct hci_dev *hdev = data->hdev; |
2941 | int pipe, err; |
2942 | void *buf; |
2943 | |
2944 | buf = kzalloc(size: 4, GFP_KERNEL); |
2945 | if (!buf) |
2946 | return -ENOMEM; |
2947 | |
2948 | pipe = usb_rcvctrlpipe(data->udev, 0); |
2949 | err = usb_control_msg(dev: data->udev, pipe, request: 0x01, |
2950 | requesttype: 0xDE, |
2951 | value: reg >> 16, index: reg & 0xffff, |
2952 | data: buf, size: 4, USB_CTRL_SET_TIMEOUT); |
2953 | if (err < 0) { |
2954 | bt_dev_err(hdev, "Failed to read uhw reg(%d)" , err); |
2955 | goto err_free_buf; |
2956 | } |
2957 | |
2958 | *val = get_unaligned_le32(p: buf); |
2959 | bt_dev_dbg(hdev, "reg=%x, value=0x%08x" , reg, *val); |
2960 | |
2961 | err_free_buf: |
2962 | kfree(objp: buf); |
2963 | |
2964 | return err; |
2965 | } |
2966 | |
2967 | static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val) |
2968 | { |
2969 | int pipe, err, size = sizeof(u32); |
2970 | void *buf; |
2971 | |
2972 | buf = kzalloc(size, GFP_KERNEL); |
2973 | if (!buf) |
2974 | return -ENOMEM; |
2975 | |
2976 | pipe = usb_rcvctrlpipe(data->udev, 0); |
2977 | err = usb_control_msg(dev: data->udev, pipe, request: 0x63, |
2978 | USB_TYPE_VENDOR | USB_DIR_IN, |
2979 | value: reg >> 16, index: reg & 0xffff, |
2980 | data: buf, size, USB_CTRL_SET_TIMEOUT); |
2981 | if (err < 0) |
2982 | goto err_free_buf; |
2983 | |
2984 | *val = get_unaligned_le32(p: buf); |
2985 | |
2986 | err_free_buf: |
2987 | kfree(objp: buf); |
2988 | |
2989 | return err; |
2990 | } |
2991 | |
2992 | static int btusb_mtk_id_get(struct btusb_data *data, u32 reg, u32 *id) |
2993 | { |
2994 | return btusb_mtk_reg_read(data, reg, val: id); |
2995 | } |
2996 | |
2997 | static u32 btusb_mtk_reset_done(struct hci_dev *hdev) |
2998 | { |
2999 | struct btusb_data *data = hci_get_drvdata(hdev); |
3000 | u32 val = 0; |
3001 | |
3002 | btusb_mtk_uhw_reg_read(data, MTK_BT_MISC, val: &val); |
3003 | |
3004 | return val & MTK_BT_RST_DONE; |
3005 | } |
3006 | |
3007 | static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) |
3008 | { |
3009 | struct btusb_data *data = hci_get_drvdata(hdev); |
3010 | struct btmediatek_data *mediatek; |
3011 | u32 val; |
3012 | int err; |
3013 | |
3014 | /* It's MediaTek specific bluetooth reset mechanism via USB */ |
3015 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, addr: &data->flags)) { |
3016 | bt_dev_err(hdev, "last reset failed? Not resetting again" ); |
3017 | return -EBUSY; |
3018 | } |
3019 | |
3020 | err = usb_autopm_get_interface(intf: data->intf); |
3021 | if (err < 0) |
3022 | return err; |
3023 | |
3024 | btusb_stop_traffic(data); |
3025 | usb_kill_anchored_urbs(anchor: &data->tx_anchor); |
3026 | mediatek = hci_get_priv(hdev); |
3027 | |
3028 | if (mediatek->dev_id == 0x7925) { |
3029 | btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, val: &val); |
3030 | val |= (1 << 5); |
3031 | btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val); |
3032 | btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, val: &val); |
3033 | val &= 0xFFFF00FF; |
3034 | val |= (1 << 13); |
3035 | btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val); |
3036 | btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, val: 0x00010001); |
3037 | btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, val: &val); |
3038 | val |= (1 << 0); |
3039 | btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val); |
3040 | btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, val: 0x000000FF); |
3041 | btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, val: &val); |
3042 | btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, val: 0x000000FF); |
3043 | btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, val: &val); |
3044 | msleep(msecs: 100); |
3045 | } else { |
3046 | /* It's Device EndPoint Reset Option Register */ |
3047 | bt_dev_dbg(hdev, "Initiating reset mechanism via uhw" ); |
3048 | btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT); |
3049 | btusb_mtk_uhw_reg_read(data, MTK_BT_WDT_STATUS, val: &val); |
3050 | |
3051 | /* Reset the bluetooth chip via USB interface. */ |
3052 | btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, val: 1); |
3053 | btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, val: 0x000000FF); |
3054 | btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, val: &val); |
3055 | btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, val: 0x000000FF); |
3056 | btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, val: &val); |
3057 | /* MT7921 need to delay 20ms between toggle reset bit */ |
3058 | msleep(msecs: 20); |
3059 | btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, val: 0); |
3060 | btusb_mtk_uhw_reg_read(data, MTK_BT_SUBSYS_RST, val: &val); |
3061 | } |
3062 | |
3063 | err = readx_poll_timeout(btusb_mtk_reset_done, hdev, val, |
3064 | val & MTK_BT_RST_DONE, 20000, 1000000); |
3065 | if (err < 0) |
3066 | bt_dev_err(hdev, "Reset timeout" ); |
3067 | |
3068 | btusb_mtk_id_get(data, reg: 0x70010200, id: &val); |
3069 | if (!val) |
3070 | bt_dev_err(hdev, "Can't get device id, subsys reset fail." ); |
3071 | |
3072 | usb_queue_reset_device(dev: data->intf); |
3073 | |
3074 | clear_bit(BTUSB_HW_RESET_ACTIVE, addr: &data->flags); |
3075 | |
3076 | return err; |
3077 | } |
3078 | |
3079 | static int btusb_mtk_setup(struct hci_dev *hdev) |
3080 | { |
3081 | struct btusb_data *data = hci_get_drvdata(hdev); |
3082 | struct btmtk_hci_wmt_params wmt_params; |
3083 | ktime_t calltime, delta, rettime; |
3084 | struct btmtk_tci_sleep tci_sleep; |
3085 | unsigned long long duration; |
3086 | struct sk_buff *skb; |
3087 | const char *fwname; |
3088 | int err, status; |
3089 | u32 dev_id = 0; |
3090 | char fw_bin_name[64]; |
3091 | u32 fw_version = 0, fw_flavor = 0; |
3092 | u8 param; |
3093 | struct btmediatek_data *mediatek; |
3094 | |
3095 | calltime = ktime_get(); |
3096 | |
3097 | err = btusb_mtk_id_get(data, reg: 0x80000008, id: &dev_id); |
3098 | if (err < 0) { |
3099 | bt_dev_err(hdev, "Failed to get device id (%d)" , err); |
3100 | return err; |
3101 | } |
3102 | |
3103 | if (!dev_id || dev_id != 0x7663) { |
3104 | err = btusb_mtk_id_get(data, reg: 0x70010200, id: &dev_id); |
3105 | if (err < 0) { |
3106 | bt_dev_err(hdev, "Failed to get device id (%d)" , err); |
3107 | return err; |
3108 | } |
3109 | err = btusb_mtk_id_get(data, reg: 0x80021004, id: &fw_version); |
3110 | if (err < 0) { |
3111 | bt_dev_err(hdev, "Failed to get fw version (%d)" , err); |
3112 | return err; |
3113 | } |
3114 | err = btusb_mtk_id_get(data, reg: 0x70010020, id: &fw_flavor); |
3115 | if (err < 0) { |
3116 | bt_dev_err(hdev, "Failed to get fw flavor (%d)" , err); |
3117 | return err; |
3118 | } |
3119 | } |
3120 | |
3121 | mediatek = hci_get_priv(hdev); |
3122 | mediatek->dev_id = dev_id; |
3123 | mediatek->reset_sync = btusb_mtk_reset; |
3124 | |
3125 | err = btmtk_register_coredump(hdev, name: btusb_driver.name, fw_version); |
3126 | if (err < 0) |
3127 | bt_dev_err(hdev, "Failed to register coredump (%d)" , err); |
3128 | |
3129 | switch (dev_id) { |
3130 | case 0x7663: |
3131 | fwname = FIRMWARE_MT7663; |
3132 | break; |
3133 | case 0x7668: |
3134 | fwname = FIRMWARE_MT7668; |
3135 | break; |
3136 | case 0x7922: |
3137 | case 0x7961: |
3138 | case 0x7925: |
3139 | if (dev_id == 0x7925) |
3140 | snprintf(buf: fw_bin_name, size: sizeof(fw_bin_name), |
3141 | fmt: "mediatek/mt%04x/BT_RAM_CODE_MT%04x_1_%x_hdr.bin" , |
3142 | dev_id & 0xffff, dev_id & 0xffff, (fw_version & 0xff) + 1); |
3143 | else if (dev_id == 0x7961 && fw_flavor) |
3144 | snprintf(buf: fw_bin_name, size: sizeof(fw_bin_name), |
3145 | fmt: "mediatek/BT_RAM_CODE_MT%04x_1a_%x_hdr.bin" , |
3146 | dev_id & 0xffff, (fw_version & 0xff) + 1); |
3147 | else |
3148 | snprintf(buf: fw_bin_name, size: sizeof(fw_bin_name), |
3149 | fmt: "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin" , |
3150 | dev_id & 0xffff, (fw_version & 0xff) + 1); |
3151 | |
3152 | err = btmtk_setup_firmware_79xx(hdev, fwname: fw_bin_name, |
3153 | wmt_cmd_sync: btusb_mtk_hci_wmt_sync); |
3154 | if (err < 0) { |
3155 | bt_dev_err(hdev, "Failed to set up firmware (%d)" , err); |
3156 | return err; |
3157 | } |
3158 | |
3159 | /* It's Device EndPoint Reset Option Register */ |
3160 | btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT); |
3161 | |
3162 | /* Enable Bluetooth protocol */ |
3163 | param = 1; |
3164 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; |
3165 | wmt_params.flag = 0; |
3166 | wmt_params.dlen = sizeof(param); |
3167 | wmt_params.data = ¶m; |
3168 | wmt_params.status = NULL; |
3169 | |
3170 | err = btusb_mtk_hci_wmt_sync(hdev, wmt_params: &wmt_params); |
3171 | if (err < 0) { |
3172 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)" , err); |
3173 | return err; |
3174 | } |
3175 | |
3176 | hci_set_msft_opcode(hdev, opcode: 0xFD30); |
3177 | hci_set_aosp_capable(hdev); |
3178 | goto done; |
3179 | default: |
3180 | bt_dev_err(hdev, "Unsupported hardware variant (%08x)" , |
3181 | dev_id); |
3182 | return -ENODEV; |
3183 | } |
3184 | |
3185 | /* Query whether the firmware is already download */ |
3186 | wmt_params.op = BTMTK_WMT_SEMAPHORE; |
3187 | wmt_params.flag = 1; |
3188 | wmt_params.dlen = 0; |
3189 | wmt_params.data = NULL; |
3190 | wmt_params.status = &status; |
3191 | |
3192 | err = btusb_mtk_hci_wmt_sync(hdev, wmt_params: &wmt_params); |
3193 | if (err < 0) { |
3194 | bt_dev_err(hdev, "Failed to query firmware status (%d)" , err); |
3195 | return err; |
3196 | } |
3197 | |
3198 | if (status == BTMTK_WMT_PATCH_DONE) { |
3199 | bt_dev_info(hdev, "firmware already downloaded" ); |
3200 | goto ignore_setup_fw; |
3201 | } |
3202 | |
3203 | /* Setup a firmware which the device definitely requires */ |
3204 | err = btmtk_setup_firmware(hdev, fwname, |
3205 | wmt_cmd_sync: btusb_mtk_hci_wmt_sync); |
3206 | if (err < 0) |
3207 | return err; |
3208 | |
3209 | ignore_setup_fw: |
3210 | err = readx_poll_timeout(btusb_mtk_func_query, hdev, status, |
3211 | status < 0 || status != BTMTK_WMT_ON_PROGRESS, |
3212 | 2000, 5000000); |
3213 | /* -ETIMEDOUT happens */ |
3214 | if (err < 0) |
3215 | return err; |
3216 | |
3217 | /* The other errors happen in btusb_mtk_func_query */ |
3218 | if (status < 0) |
3219 | return status; |
3220 | |
3221 | if (status == BTMTK_WMT_ON_DONE) { |
3222 | bt_dev_info(hdev, "function already on" ); |
3223 | goto ignore_func_on; |
3224 | } |
3225 | |
3226 | /* Enable Bluetooth protocol */ |
3227 | param = 1; |
3228 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; |
3229 | wmt_params.flag = 0; |
3230 | wmt_params.dlen = sizeof(param); |
3231 | wmt_params.data = ¶m; |
3232 | wmt_params.status = NULL; |
3233 | |
3234 | err = btusb_mtk_hci_wmt_sync(hdev, wmt_params: &wmt_params); |
3235 | if (err < 0) { |
3236 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)" , err); |
3237 | return err; |
3238 | } |
3239 | |
3240 | ignore_func_on: |
3241 | /* Apply the low power environment setup */ |
3242 | tci_sleep.mode = 0x5; |
3243 | tci_sleep.duration = cpu_to_le16(0x640); |
3244 | tci_sleep.host_duration = cpu_to_le16(0x640); |
3245 | tci_sleep.host_wakeup_pin = 0; |
3246 | tci_sleep.time_compensation = 0; |
3247 | |
3248 | skb = __hci_cmd_sync(hdev, opcode: 0xfc7a, plen: sizeof(tci_sleep), param: &tci_sleep, |
3249 | HCI_INIT_TIMEOUT); |
3250 | if (IS_ERR(ptr: skb)) { |
3251 | err = PTR_ERR(ptr: skb); |
3252 | bt_dev_err(hdev, "Failed to apply low power setting (%d)" , err); |
3253 | return err; |
3254 | } |
3255 | kfree_skb(skb); |
3256 | |
3257 | done: |
3258 | rettime = ktime_get(); |
3259 | delta = ktime_sub(rettime, calltime); |
3260 | duration = (unsigned long long)ktime_to_ns(kt: delta) >> 10; |
3261 | |
3262 | bt_dev_info(hdev, "Device setup in %llu usecs" , duration); |
3263 | |
3264 | return 0; |
3265 | } |
3266 | |
3267 | static int btusb_mtk_shutdown(struct hci_dev *hdev) |
3268 | { |
3269 | struct btmtk_hci_wmt_params wmt_params; |
3270 | u8 param = 0; |
3271 | int err; |
3272 | |
3273 | /* Disable the device */ |
3274 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; |
3275 | wmt_params.flag = 0; |
3276 | wmt_params.dlen = sizeof(param); |
3277 | wmt_params.data = ¶m; |
3278 | wmt_params.status = NULL; |
3279 | |
3280 | err = btusb_mtk_hci_wmt_sync(hdev, wmt_params: &wmt_params); |
3281 | if (err < 0) { |
3282 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)" , err); |
3283 | return err; |
3284 | } |
3285 | |
3286 | return 0; |
3287 | } |
3288 | |
3289 | static int btusb_recv_acl_mtk(struct hci_dev *hdev, struct sk_buff *skb) |
3290 | { |
3291 | struct btusb_data *data = hci_get_drvdata(hdev); |
3292 | u16 handle = le16_to_cpu(hci_acl_hdr(skb)->handle); |
3293 | |
3294 | switch (handle) { |
3295 | case 0xfc6f: /* Firmware dump from device */ |
3296 | /* When the firmware hangs, the device can no longer |
3297 | * suspend and thus disable auto-suspend. |
3298 | */ |
3299 | usb_disable_autosuspend(udev: data->udev); |
3300 | |
3301 | /* We need to forward the diagnostic packet to userspace daemon |
3302 | * for backward compatibility, so we have to clone the packet |
3303 | * extraly for the in-kernel coredump support. |
3304 | */ |
3305 | if (IS_ENABLED(CONFIG_DEV_COREDUMP)) { |
3306 | struct sk_buff *skb_cd = skb_clone(skb, GFP_ATOMIC); |
3307 | |
3308 | if (skb_cd) |
3309 | btmtk_process_coredump(hdev, skb: skb_cd); |
3310 | } |
3311 | |
3312 | fallthrough; |
3313 | case 0x05ff: /* Firmware debug logging 1 */ |
3314 | case 0x05fe: /* Firmware debug logging 2 */ |
3315 | return hci_recv_diag(hdev, skb); |
3316 | } |
3317 | |
3318 | return hci_recv_frame(hdev, skb); |
3319 | } |
3320 | |
3321 | #ifdef CONFIG_PM |
3322 | /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ |
3323 | static int marvell_config_oob_wake(struct hci_dev *hdev) |
3324 | { |
3325 | struct sk_buff *skb; |
3326 | struct btusb_data *data = hci_get_drvdata(hdev); |
3327 | struct device *dev = &data->udev->dev; |
3328 | u16 pin, gap, opcode; |
3329 | int ret; |
3330 | u8 cmd[5]; |
3331 | |
3332 | /* Move on if no wakeup pin specified */ |
3333 | if (of_property_read_u16(np: dev->of_node, propname: "marvell,wakeup-pin" , out_value: &pin) || |
3334 | of_property_read_u16(np: dev->of_node, propname: "marvell,wakeup-gap-ms" , out_value: &gap)) |
3335 | return 0; |
3336 | |
3337 | /* Vendor specific command to configure a GPIO as wake-up pin */ |
3338 | opcode = hci_opcode_pack(0x3F, 0x59); |
3339 | cmd[0] = opcode & 0xFF; |
3340 | cmd[1] = opcode >> 8; |
3341 | cmd[2] = 2; /* length of parameters that follow */ |
3342 | cmd[3] = pin; |
3343 | cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ |
3344 | |
3345 | skb = bt_skb_alloc(len: sizeof(cmd), GFP_KERNEL); |
3346 | if (!skb) { |
3347 | bt_dev_err(hdev, "%s: No memory" , __func__); |
3348 | return -ENOMEM; |
3349 | } |
3350 | |
3351 | skb_put_data(skb, data: cmd, len: sizeof(cmd)); |
3352 | hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; |
3353 | |
3354 | ret = btusb_send_frame(hdev, skb); |
3355 | if (ret) { |
3356 | bt_dev_err(hdev, "%s: configuration failed" , __func__); |
3357 | kfree_skb(skb); |
3358 | return ret; |
3359 | } |
3360 | |
3361 | return 0; |
3362 | } |
3363 | #endif |
3364 | |
3365 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
3366 | const bdaddr_t *bdaddr) |
3367 | { |
3368 | struct sk_buff *skb; |
3369 | u8 buf[8]; |
3370 | long ret; |
3371 | |
3372 | buf[0] = 0xfe; |
3373 | buf[1] = sizeof(bdaddr_t); |
3374 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); |
3375 | |
3376 | skb = __hci_cmd_sync(hdev, opcode: 0xfc22, plen: sizeof(buf), param: buf, HCI_INIT_TIMEOUT); |
3377 | if (IS_ERR(ptr: skb)) { |
3378 | ret = PTR_ERR(ptr: skb); |
3379 | bt_dev_err(hdev, "changing Marvell device address failed (%ld)" , |
3380 | ret); |
3381 | return ret; |
3382 | } |
3383 | kfree_skb(skb); |
3384 | |
3385 | return 0; |
3386 | } |
3387 | |
3388 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
3389 | const bdaddr_t *bdaddr) |
3390 | { |
3391 | struct sk_buff *skb; |
3392 | u8 buf[10]; |
3393 | long ret; |
3394 | |
3395 | buf[0] = 0x01; |
3396 | buf[1] = 0x01; |
3397 | buf[2] = 0x00; |
3398 | buf[3] = sizeof(bdaddr_t); |
3399 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); |
3400 | |
3401 | skb = __hci_cmd_sync(hdev, opcode: 0xfc0b, plen: sizeof(buf), param: buf, 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 | static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, |
3413 | const bdaddr_t *bdaddr) |
3414 | { |
3415 | struct sk_buff *skb; |
3416 | u8 buf[6]; |
3417 | long ret; |
3418 | |
3419 | memcpy(buf, bdaddr, sizeof(bdaddr_t)); |
3420 | |
3421 | skb = __hci_cmd_sync_ev(hdev, opcode: 0xfc14, plen: sizeof(buf), param: buf, |
3422 | HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); |
3423 | if (IS_ERR(ptr: skb)) { |
3424 | ret = PTR_ERR(ptr: skb); |
3425 | bt_dev_err(hdev, "Change address command failed (%ld)" , ret); |
3426 | return ret; |
3427 | } |
3428 | kfree_skb(skb); |
3429 | |
3430 | return 0; |
3431 | } |
3432 | |
3433 | #define QCA_MEMDUMP_ACL_HANDLE 0x2EDD |
3434 | #define QCA_MEMDUMP_SIZE_MAX 0x100000 |
3435 | #define QCA_MEMDUMP_VSE_CLASS 0x01 |
3436 | #define QCA_MEMDUMP_MSG_TYPE 0x08 |
3437 | #define QCA_MEMDUMP_PKT_SIZE 248 |
3438 | #define QCA_LAST_SEQUENCE_NUM 0xffff |
3439 | |
3440 | struct qca_dump_hdr { |
3441 | u8 vse_class; |
3442 | u8 msg_type; |
3443 | __le16 seqno; |
3444 | u8 reserved; |
3445 | union { |
3446 | u8 data[0]; |
3447 | struct { |
3448 | __le32 ram_dump_size; |
3449 | u8 data0[0]; |
3450 | } __packed; |
3451 | }; |
3452 | } __packed; |
3453 | |
3454 | |
3455 | static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb) |
3456 | { |
3457 | char buf[128]; |
3458 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
3459 | |
3460 | snprintf(buf, size: sizeof(buf), fmt: "Controller Name: 0x%x\n" , |
3461 | btdata->qca_dump.controller_id); |
3462 | skb_put_data(skb, data: buf, strlen(buf)); |
3463 | |
3464 | snprintf(buf, size: sizeof(buf), fmt: "Firmware Version: 0x%x\n" , |
3465 | btdata->qca_dump.fw_version); |
3466 | skb_put_data(skb, data: buf, strlen(buf)); |
3467 | |
3468 | snprintf(buf, size: sizeof(buf), fmt: "Driver: %s\nVendor: qca\n" , |
3469 | btusb_driver.name); |
3470 | skb_put_data(skb, data: buf, strlen(buf)); |
3471 | |
3472 | snprintf(buf, size: sizeof(buf), fmt: "VID: 0x%x\nPID:0x%x\n" , |
3473 | btdata->qca_dump.id_vendor, btdata->qca_dump.id_product); |
3474 | skb_put_data(skb, data: buf, strlen(buf)); |
3475 | |
3476 | snprintf(buf, size: sizeof(buf), fmt: "Lmp Subversion: 0x%x\n" , |
3477 | hdev->lmp_subver); |
3478 | skb_put_data(skb, data: buf, strlen(buf)); |
3479 | } |
3480 | |
3481 | static void btusb_coredump_qca(struct hci_dev *hdev) |
3482 | { |
3483 | static const u8 param[] = { 0x26 }; |
3484 | struct sk_buff *skb; |
3485 | |
3486 | skb = __hci_cmd_sync(hdev, opcode: 0xfc0c, plen: 1, param, HCI_CMD_TIMEOUT); |
3487 | if (IS_ERR(ptr: skb)) |
3488 | bt_dev_err(hdev, "%s: triggle crash failed (%ld)" , __func__, PTR_ERR(skb)); |
3489 | kfree_skb(skb); |
3490 | } |
3491 | |
3492 | /* |
3493 | * ==0: not a dump pkt. |
3494 | * < 0: fails to handle a dump pkt |
3495 | * > 0: otherwise. |
3496 | */ |
3497 | static int handle_dump_pkt_qca(struct hci_dev *hdev, struct sk_buff *skb) |
3498 | { |
3499 | int ret = 1; |
3500 | u8 pkt_type; |
3501 | u8 *sk_ptr; |
3502 | unsigned int sk_len; |
3503 | u16 seqno; |
3504 | u32 dump_size; |
3505 | |
3506 | struct hci_event_hdr *event_hdr; |
3507 | struct hci_acl_hdr *acl_hdr; |
3508 | struct qca_dump_hdr *dump_hdr; |
3509 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
3510 | struct usb_device *udev = btdata->udev; |
3511 | |
3512 | pkt_type = hci_skb_pkt_type(skb); |
3513 | sk_ptr = skb->data; |
3514 | sk_len = skb->len; |
3515 | |
3516 | if (pkt_type == HCI_ACLDATA_PKT) { |
3517 | acl_hdr = hci_acl_hdr(skb); |
3518 | if (le16_to_cpu(acl_hdr->handle) != QCA_MEMDUMP_ACL_HANDLE) |
3519 | return 0; |
3520 | sk_ptr += HCI_ACL_HDR_SIZE; |
3521 | sk_len -= HCI_ACL_HDR_SIZE; |
3522 | event_hdr = (struct hci_event_hdr *)sk_ptr; |
3523 | } else { |
3524 | event_hdr = hci_event_hdr(skb); |
3525 | } |
3526 | |
3527 | if ((event_hdr->evt != HCI_VENDOR_PKT) |
3528 | || (event_hdr->plen != (sk_len - HCI_EVENT_HDR_SIZE))) |
3529 | return 0; |
3530 | |
3531 | sk_ptr += HCI_EVENT_HDR_SIZE; |
3532 | sk_len -= HCI_EVENT_HDR_SIZE; |
3533 | |
3534 | dump_hdr = (struct qca_dump_hdr *)sk_ptr; |
3535 | if ((sk_len < offsetof(struct qca_dump_hdr, data)) |
3536 | || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS) |
3537 | || (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE)) |
3538 | return 0; |
3539 | |
3540 | /*it is dump pkt now*/ |
3541 | seqno = le16_to_cpu(dump_hdr->seqno); |
3542 | if (seqno == 0) { |
3543 | set_bit(BTUSB_HW_SSR_ACTIVE, addr: &btdata->flags); |
3544 | dump_size = le32_to_cpu(dump_hdr->ram_dump_size); |
3545 | if (!dump_size || (dump_size > QCA_MEMDUMP_SIZE_MAX)) { |
3546 | ret = -EILSEQ; |
3547 | bt_dev_err(hdev, "Invalid memdump size(%u)" , |
3548 | dump_size); |
3549 | goto out; |
3550 | } |
3551 | |
3552 | ret = hci_devcd_init(hdev, dump_size); |
3553 | if (ret < 0) { |
3554 | bt_dev_err(hdev, "memdump init error(%d)" , ret); |
3555 | goto out; |
3556 | } |
3557 | |
3558 | btdata->qca_dump.ram_dump_size = dump_size; |
3559 | btdata->qca_dump.ram_dump_seqno = 0; |
3560 | sk_ptr += offsetof(struct qca_dump_hdr, data0); |
3561 | sk_len -= offsetof(struct qca_dump_hdr, data0); |
3562 | |
3563 | usb_disable_autosuspend(udev); |
3564 | bt_dev_info(hdev, "%s memdump size(%u)\n" , |
3565 | (pkt_type == HCI_ACLDATA_PKT) ? "ACL" : "event" , |
3566 | dump_size); |
3567 | } else { |
3568 | sk_ptr += offsetof(struct qca_dump_hdr, data); |
3569 | sk_len -= offsetof(struct qca_dump_hdr, data); |
3570 | } |
3571 | |
3572 | if (!btdata->qca_dump.ram_dump_size) { |
3573 | ret = -EINVAL; |
3574 | bt_dev_err(hdev, "memdump is not active" ); |
3575 | goto out; |
3576 | } |
3577 | |
3578 | if ((seqno > btdata->qca_dump.ram_dump_seqno + 1) && (seqno != QCA_LAST_SEQUENCE_NUM)) { |
3579 | dump_size = QCA_MEMDUMP_PKT_SIZE * (seqno - btdata->qca_dump.ram_dump_seqno - 1); |
3580 | hci_devcd_append_pattern(hdev, pattern: 0x0, len: dump_size); |
3581 | bt_dev_err(hdev, |
3582 | "expected memdump seqno(%u) is not received(%u)\n" , |
3583 | btdata->qca_dump.ram_dump_seqno, seqno); |
3584 | btdata->qca_dump.ram_dump_seqno = seqno; |
3585 | kfree_skb(skb); |
3586 | return ret; |
3587 | } |
3588 | |
3589 | skb_pull(skb, len: skb->len - sk_len); |
3590 | hci_devcd_append(hdev, skb); |
3591 | btdata->qca_dump.ram_dump_seqno++; |
3592 | if (seqno == QCA_LAST_SEQUENCE_NUM) { |
3593 | bt_dev_info(hdev, |
3594 | "memdump done: pkts(%u), total(%u)\n" , |
3595 | btdata->qca_dump.ram_dump_seqno, btdata->qca_dump.ram_dump_size); |
3596 | |
3597 | hci_devcd_complete(hdev); |
3598 | goto out; |
3599 | } |
3600 | return ret; |
3601 | |
3602 | out: |
3603 | if (btdata->qca_dump.ram_dump_size) |
3604 | usb_enable_autosuspend(udev); |
3605 | btdata->qca_dump.ram_dump_size = 0; |
3606 | btdata->qca_dump.ram_dump_seqno = 0; |
3607 | clear_bit(BTUSB_HW_SSR_ACTIVE, addr: &btdata->flags); |
3608 | |
3609 | if (ret < 0) |
3610 | kfree_skb(skb); |
3611 | return ret; |
3612 | } |
3613 | |
3614 | static int btusb_recv_acl_qca(struct hci_dev *hdev, struct sk_buff *skb) |
3615 | { |
3616 | if (handle_dump_pkt_qca(hdev, skb)) |
3617 | return 0; |
3618 | return hci_recv_frame(hdev, skb); |
3619 | } |
3620 | |
3621 | static int btusb_recv_evt_qca(struct hci_dev *hdev, struct sk_buff *skb) |
3622 | { |
3623 | if (handle_dump_pkt_qca(hdev, skb)) |
3624 | return 0; |
3625 | return hci_recv_frame(hdev, skb); |
3626 | } |
3627 | |
3628 | |
3629 | #define QCA_DFU_PACKET_LEN 4096 |
3630 | |
3631 | #define QCA_GET_TARGET_VERSION 0x09 |
3632 | #define QCA_CHECK_STATUS 0x05 |
3633 | #define QCA_DFU_DOWNLOAD 0x01 |
3634 | |
3635 | #define QCA_SYSCFG_UPDATED 0x40 |
3636 | #define QCA_PATCH_UPDATED 0x80 |
3637 | #define QCA_DFU_TIMEOUT 3000 |
3638 | #define QCA_FLAG_MULTI_NVM 0x80 |
3639 | #define QCA_BT_RESET_WAIT_MS 100 |
3640 | |
3641 | #define WCN6855_2_0_RAM_VERSION_GF 0x400c1200 |
3642 | #define WCN6855_2_1_RAM_VERSION_GF 0x400c1211 |
3643 | |
3644 | struct qca_version { |
3645 | __le32 rom_version; |
3646 | __le32 patch_version; |
3647 | __le32 ram_version; |
3648 | __u8 chip_id; |
3649 | __u8 platform_id; |
3650 | __le16 flag; |
3651 | __u8 reserved[4]; |
3652 | } __packed; |
3653 | |
3654 | struct qca_rampatch_version { |
3655 | __le16 rom_version_high; |
3656 | __le16 rom_version_low; |
3657 | __le16 patch_version; |
3658 | } __packed; |
3659 | |
3660 | struct qca_device_info { |
3661 | u32 rom_version; |
3662 | u8 rampatch_hdr; /* length of header in rampatch */ |
3663 | u8 nvm_hdr; /* length of header in NVM */ |
3664 | u8 ver_offset; /* offset of version structure in rampatch */ |
3665 | }; |
3666 | |
3667 | static const struct qca_device_info qca_devices_table[] = { |
3668 | { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ |
3669 | { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ |
3670 | { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ |
3671 | { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ |
3672 | { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ |
3673 | { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ |
3674 | { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ |
3675 | { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */ |
3676 | { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */ |
3677 | { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */ |
3678 | }; |
3679 | |
3680 | static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, |
3681 | void *data, u16 size) |
3682 | { |
3683 | int pipe, err; |
3684 | u8 *buf; |
3685 | |
3686 | buf = kmalloc(size, GFP_KERNEL); |
3687 | if (!buf) |
3688 | return -ENOMEM; |
3689 | |
3690 | /* Found some of USB hosts have IOT issues with ours so that we should |
3691 | * not wait until HCI layer is ready. |
3692 | */ |
3693 | pipe = usb_rcvctrlpipe(udev, 0); |
3694 | err = usb_control_msg(dev: udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, |
3695 | value: 0, index: 0, data: buf, size, USB_CTRL_SET_TIMEOUT); |
3696 | if (err < 0) { |
3697 | dev_err(&udev->dev, "Failed to access otp area (%d)" , err); |
3698 | goto done; |
3699 | } |
3700 | |
3701 | memcpy(data, buf, size); |
3702 | |
3703 | done: |
3704 | kfree(objp: buf); |
3705 | |
3706 | return err; |
3707 | } |
3708 | |
3709 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, |
3710 | const struct firmware *firmware, |
3711 | size_t hdr_size) |
3712 | { |
3713 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
3714 | struct usb_device *udev = btdata->udev; |
3715 | size_t count, size, sent = 0; |
3716 | int pipe, len, err; |
3717 | u8 *buf; |
3718 | |
3719 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); |
3720 | if (!buf) |
3721 | return -ENOMEM; |
3722 | |
3723 | count = firmware->size; |
3724 | |
3725 | size = min_t(size_t, count, hdr_size); |
3726 | memcpy(buf, firmware->data, size); |
3727 | |
3728 | /* USB patches should go down to controller through USB path |
3729 | * because binary format fits to go down through USB channel. |
3730 | * USB control path is for patching headers and USB bulk is for |
3731 | * patch body. |
3732 | */ |
3733 | pipe = usb_sndctrlpipe(udev, 0); |
3734 | err = usb_control_msg(dev: udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, |
3735 | value: 0, index: 0, data: buf, size, USB_CTRL_SET_TIMEOUT); |
3736 | if (err < 0) { |
3737 | bt_dev_err(hdev, "Failed to send headers (%d)" , err); |
3738 | goto done; |
3739 | } |
3740 | |
3741 | sent += size; |
3742 | count -= size; |
3743 | |
3744 | /* ep2 need time to switch from function acl to function dfu, |
3745 | * so we add 20ms delay here. |
3746 | */ |
3747 | msleep(msecs: 20); |
3748 | |
3749 | while (count) { |
3750 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); |
3751 | |
3752 | memcpy(buf, firmware->data + sent, size); |
3753 | |
3754 | pipe = usb_sndbulkpipe(udev, 0x02); |
3755 | err = usb_bulk_msg(usb_dev: udev, pipe, data: buf, len: size, actual_length: &len, |
3756 | QCA_DFU_TIMEOUT); |
3757 | if (err < 0) { |
3758 | bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)" , |
3759 | sent, firmware->size, err); |
3760 | break; |
3761 | } |
3762 | |
3763 | if (size != len) { |
3764 | bt_dev_err(hdev, "Failed to get bulk buffer" ); |
3765 | err = -EILSEQ; |
3766 | break; |
3767 | } |
3768 | |
3769 | sent += size; |
3770 | count -= size; |
3771 | } |
3772 | |
3773 | done: |
3774 | kfree(objp: buf); |
3775 | return err; |
3776 | } |
3777 | |
3778 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, |
3779 | struct qca_version *ver, |
3780 | const struct qca_device_info *info) |
3781 | { |
3782 | struct qca_rampatch_version *rver; |
3783 | const struct firmware *fw; |
3784 | u32 ver_rom, ver_patch, rver_rom; |
3785 | u16 rver_rom_low, rver_rom_high, rver_patch; |
3786 | char fwname[64]; |
3787 | int err; |
3788 | |
3789 | ver_rom = le32_to_cpu(ver->rom_version); |
3790 | ver_patch = le32_to_cpu(ver->patch_version); |
3791 | |
3792 | snprintf(buf: fwname, size: sizeof(fwname), fmt: "qca/rampatch_usb_%08x.bin" , ver_rom); |
3793 | |
3794 | err = request_firmware(fw: &fw, name: fwname, device: &hdev->dev); |
3795 | if (err) { |
3796 | bt_dev_err(hdev, "failed to request rampatch file: %s (%d)" , |
3797 | fwname, err); |
3798 | return err; |
3799 | } |
3800 | |
3801 | bt_dev_info(hdev, "using rampatch file: %s" , fwname); |
3802 | |
3803 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
3804 | rver_rom_low = le16_to_cpu(rver->rom_version_low); |
3805 | rver_patch = le16_to_cpu(rver->patch_version); |
3806 | |
3807 | if (ver_rom & ~0xffffU) { |
3808 | rver_rom_high = le16_to_cpu(rver->rom_version_high); |
3809 | rver_rom = rver_rom_high << 16 | rver_rom_low; |
3810 | } else { |
3811 | rver_rom = rver_rom_low; |
3812 | } |
3813 | |
3814 | bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " |
3815 | "firmware rome 0x%x build 0x%x" , |
3816 | rver_rom, rver_patch, ver_rom, ver_patch); |
3817 | |
3818 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
3819 | bt_dev_err(hdev, "rampatch file version did not match with firmware" ); |
3820 | err = -EINVAL; |
3821 | goto done; |
3822 | } |
3823 | |
3824 | err = btusb_setup_qca_download_fw(hdev, firmware: fw, hdr_size: info->rampatch_hdr); |
3825 | |
3826 | done: |
3827 | release_firmware(fw); |
3828 | |
3829 | return err; |
3830 | } |
3831 | |
3832 | static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size, |
3833 | const struct qca_version *ver) |
3834 | { |
3835 | u32 rom_version = le32_to_cpu(ver->rom_version); |
3836 | u16 flag = le16_to_cpu(ver->flag); |
3837 | |
3838 | if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { |
3839 | /* The board_id should be split into two bytes |
3840 | * The 1st byte is chip ID, and the 2nd byte is platform ID |
3841 | * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID |
3842 | * we have several platforms, and platform IDs are continuously added |
3843 | * Platform ID: |
3844 | * 0x00 is for Mobile |
3845 | * 0x01 is for X86 |
3846 | * 0x02 is for Automotive |
3847 | * 0x03 is for Consumer electronic |
3848 | */ |
3849 | u16 board_id = (ver->chip_id << 8) + ver->platform_id; |
3850 | const char *variant; |
3851 | |
3852 | switch (le32_to_cpu(ver->ram_version)) { |
3853 | case WCN6855_2_0_RAM_VERSION_GF: |
3854 | case WCN6855_2_1_RAM_VERSION_GF: |
3855 | variant = "_gf" ; |
3856 | break; |
3857 | default: |
3858 | variant = "" ; |
3859 | break; |
3860 | } |
3861 | |
3862 | if (board_id == 0) { |
3863 | snprintf(buf: fwname, size: max_size, fmt: "qca/nvm_usb_%08x%s.bin" , |
3864 | rom_version, variant); |
3865 | } else { |
3866 | snprintf(buf: fwname, size: max_size, fmt: "qca/nvm_usb_%08x%s_%04x.bin" , |
3867 | rom_version, variant, board_id); |
3868 | } |
3869 | } else { |
3870 | snprintf(buf: fwname, size: max_size, fmt: "qca/nvm_usb_%08x.bin" , |
3871 | rom_version); |
3872 | } |
3873 | |
3874 | } |
3875 | |
3876 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, |
3877 | struct qca_version *ver, |
3878 | const struct qca_device_info *info) |
3879 | { |
3880 | const struct firmware *fw; |
3881 | char fwname[64]; |
3882 | int err; |
3883 | |
3884 | btusb_generate_qca_nvm_name(fwname, max_size: sizeof(fwname), ver); |
3885 | |
3886 | err = request_firmware(fw: &fw, name: fwname, device: &hdev->dev); |
3887 | if (err) { |
3888 | bt_dev_err(hdev, "failed to request NVM file: %s (%d)" , |
3889 | fwname, err); |
3890 | return err; |
3891 | } |
3892 | |
3893 | bt_dev_info(hdev, "using NVM file: %s" , fwname); |
3894 | |
3895 | err = btusb_setup_qca_download_fw(hdev, firmware: fw, hdr_size: info->nvm_hdr); |
3896 | |
3897 | release_firmware(fw); |
3898 | |
3899 | return err; |
3900 | } |
3901 | |
3902 | /* identify the ROM version and check whether patches are needed */ |
3903 | static bool btusb_qca_need_patch(struct usb_device *udev) |
3904 | { |
3905 | struct qca_version ver; |
3906 | |
3907 | if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, data: &ver, |
3908 | size: sizeof(ver)) < 0) |
3909 | return false; |
3910 | /* only low ROM versions need patches */ |
3911 | return !(le32_to_cpu(ver.rom_version) & ~0xffffU); |
3912 | } |
3913 | |
3914 | static int btusb_setup_qca(struct hci_dev *hdev) |
3915 | { |
3916 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
3917 | struct usb_device *udev = btdata->udev; |
3918 | const struct qca_device_info *info = NULL; |
3919 | struct qca_version ver; |
3920 | u32 ver_rom; |
3921 | u8 status; |
3922 | int i, err; |
3923 | |
3924 | err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, data: &ver, |
3925 | size: sizeof(ver)); |
3926 | if (err < 0) |
3927 | return err; |
3928 | |
3929 | ver_rom = le32_to_cpu(ver.rom_version); |
3930 | |
3931 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
3932 | if (ver_rom == qca_devices_table[i].rom_version) |
3933 | info = &qca_devices_table[i]; |
3934 | } |
3935 | if (!info) { |
3936 | /* If the rom_version is not matched in the qca_devices_table |
3937 | * and the high ROM version is not zero, we assume this chip no |
3938 | * need to load the rampatch and nvm. |
3939 | */ |
3940 | if (ver_rom & ~0xffffU) |
3941 | return 0; |
3942 | |
3943 | bt_dev_err(hdev, "don't support firmware rome 0x%x" , ver_rom); |
3944 | return -ENODEV; |
3945 | } |
3946 | |
3947 | err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, data: &status, |
3948 | size: sizeof(status)); |
3949 | if (err < 0) |
3950 | return err; |
3951 | |
3952 | if (!(status & QCA_PATCH_UPDATED)) { |
3953 | err = btusb_setup_qca_load_rampatch(hdev, ver: &ver, info); |
3954 | if (err < 0) |
3955 | return err; |
3956 | } |
3957 | |
3958 | err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, data: &ver, |
3959 | size: sizeof(ver)); |
3960 | if (err < 0) |
3961 | return err; |
3962 | |
3963 | btdata->qca_dump.fw_version = le32_to_cpu(ver.patch_version); |
3964 | btdata->qca_dump.controller_id = le32_to_cpu(ver.rom_version); |
3965 | |
3966 | if (!(status & QCA_SYSCFG_UPDATED)) { |
3967 | err = btusb_setup_qca_load_nvm(hdev, ver: &ver, info); |
3968 | if (err < 0) |
3969 | return err; |
3970 | |
3971 | /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so |
3972 | * wait ~100ms for reset Done then go ahead, otherwise, it maybe |
3973 | * cause potential enable failure. |
3974 | */ |
3975 | if (info->rom_version >= 0x00130201) |
3976 | msleep(QCA_BT_RESET_WAIT_MS); |
3977 | } |
3978 | |
3979 | /* Mark HCI_OP_ENHANCED_SETUP_SYNC_CONN as broken as it doesn't seem to |
3980 | * work with the likes of HSP/HFP mSBC. |
3981 | */ |
3982 | set_bit(nr: HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, addr: &hdev->quirks); |
3983 | |
3984 | return 0; |
3985 | } |
3986 | |
3987 | static inline int __set_diag_interface(struct hci_dev *hdev) |
3988 | { |
3989 | struct btusb_data *data = hci_get_drvdata(hdev); |
3990 | struct usb_interface *intf = data->diag; |
3991 | int i; |
3992 | |
3993 | if (!data->diag) |
3994 | return -ENODEV; |
3995 | |
3996 | data->diag_tx_ep = NULL; |
3997 | data->diag_rx_ep = NULL; |
3998 | |
3999 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
4000 | struct usb_endpoint_descriptor *ep_desc; |
4001 | |
4002 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
4003 | |
4004 | if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(epd: ep_desc)) { |
4005 | data->diag_tx_ep = ep_desc; |
4006 | continue; |
4007 | } |
4008 | |
4009 | if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(epd: ep_desc)) { |
4010 | data->diag_rx_ep = ep_desc; |
4011 | continue; |
4012 | } |
4013 | } |
4014 | |
4015 | if (!data->diag_tx_ep || !data->diag_rx_ep) { |
4016 | bt_dev_err(hdev, "invalid diagnostic descriptors" ); |
4017 | return -ENODEV; |
4018 | } |
4019 | |
4020 | return 0; |
4021 | } |
4022 | |
4023 | static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) |
4024 | { |
4025 | struct btusb_data *data = hci_get_drvdata(hdev); |
4026 | struct sk_buff *skb; |
4027 | struct urb *urb; |
4028 | unsigned int pipe; |
4029 | |
4030 | if (!data->diag_tx_ep) |
4031 | return ERR_PTR(error: -ENODEV); |
4032 | |
4033 | urb = usb_alloc_urb(iso_packets: 0, GFP_KERNEL); |
4034 | if (!urb) |
4035 | return ERR_PTR(error: -ENOMEM); |
4036 | |
4037 | skb = bt_skb_alloc(len: 2, GFP_KERNEL); |
4038 | if (!skb) { |
4039 | usb_free_urb(urb); |
4040 | return ERR_PTR(error: -ENOMEM); |
4041 | } |
4042 | |
4043 | skb_put_u8(skb, val: 0xf0); |
4044 | skb_put_u8(skb, val: enable); |
4045 | |
4046 | pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); |
4047 | |
4048 | usb_fill_bulk_urb(urb, dev: data->udev, pipe, |
4049 | transfer_buffer: skb->data, buffer_length: skb->len, complete_fn: btusb_tx_complete, context: skb); |
4050 | |
4051 | skb->dev = (void *)hdev; |
4052 | |
4053 | return urb; |
4054 | } |
4055 | |
4056 | static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) |
4057 | { |
4058 | struct btusb_data *data = hci_get_drvdata(hdev); |
4059 | struct urb *urb; |
4060 | |
4061 | if (!data->diag) |
4062 | return -ENODEV; |
4063 | |
4064 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
4065 | return -ENETDOWN; |
4066 | |
4067 | urb = alloc_diag_urb(hdev, enable); |
4068 | if (IS_ERR(ptr: urb)) |
4069 | return PTR_ERR(ptr: urb); |
4070 | |
4071 | return submit_or_queue_tx_urb(hdev, urb); |
4072 | } |
4073 | |
4074 | #ifdef CONFIG_PM |
4075 | static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) |
4076 | { |
4077 | struct btusb_data *data = priv; |
4078 | |
4079 | pm_wakeup_event(dev: &data->udev->dev, msec: 0); |
4080 | pm_system_wakeup(); |
4081 | |
4082 | /* Disable only if not already disabled (keep it balanced) */ |
4083 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, addr: &data->flags)) { |
4084 | disable_irq_nosync(irq); |
4085 | disable_irq_wake(irq); |
4086 | } |
4087 | return IRQ_HANDLED; |
4088 | } |
4089 | |
4090 | static const struct of_device_id btusb_match_table[] = { |
4091 | { .compatible = "usb1286,204e" }, |
4092 | { .compatible = "usbcf3,e300" }, /* QCA6174A */ |
4093 | { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */ |
4094 | { } |
4095 | }; |
4096 | MODULE_DEVICE_TABLE(of, btusb_match_table); |
4097 | |
4098 | /* Use an oob wakeup pin? */ |
4099 | static int btusb_config_oob_wake(struct hci_dev *hdev) |
4100 | { |
4101 | struct btusb_data *data = hci_get_drvdata(hdev); |
4102 | struct device *dev = &data->udev->dev; |
4103 | int irq, ret; |
4104 | |
4105 | clear_bit(BTUSB_OOB_WAKE_ENABLED, addr: &data->flags); |
4106 | |
4107 | if (!of_match_device(matches: btusb_match_table, dev)) |
4108 | return 0; |
4109 | |
4110 | /* Move on if no IRQ specified */ |
4111 | irq = of_irq_get_byname(dev: dev->of_node, name: "wakeup" ); |
4112 | if (irq <= 0) { |
4113 | bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT" , __func__); |
4114 | return 0; |
4115 | } |
4116 | |
4117 | irq_set_status_flags(irq, set: IRQ_NOAUTOEN); |
4118 | ret = devm_request_irq(dev: &hdev->dev, irq, handler: btusb_oob_wake_handler, |
4119 | irqflags: 0, devname: "OOB Wake-on-BT" , dev_id: data); |
4120 | if (ret) { |
4121 | bt_dev_err(hdev, "%s: IRQ request failed" , __func__); |
4122 | return ret; |
4123 | } |
4124 | |
4125 | ret = device_init_wakeup(dev, enable: true); |
4126 | if (ret) { |
4127 | bt_dev_err(hdev, "%s: failed to init_wakeup" , __func__); |
4128 | return ret; |
4129 | } |
4130 | |
4131 | data->oob_wake_irq = irq; |
4132 | bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u" , irq); |
4133 | return 0; |
4134 | } |
4135 | #endif |
4136 | |
4137 | static void btusb_check_needs_reset_resume(struct usb_interface *intf) |
4138 | { |
4139 | if (dmi_check_system(list: btusb_needs_reset_resume_table)) |
4140 | interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; |
4141 | } |
4142 | |
4143 | static bool btusb_wakeup(struct hci_dev *hdev) |
4144 | { |
4145 | struct btusb_data *data = hci_get_drvdata(hdev); |
4146 | |
4147 | return device_may_wakeup(dev: &data->udev->dev); |
4148 | } |
4149 | |
4150 | static int btusb_shutdown_qca(struct hci_dev *hdev) |
4151 | { |
4152 | struct sk_buff *skb; |
4153 | |
4154 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, plen: 0, NULL, HCI_INIT_TIMEOUT); |
4155 | if (IS_ERR(ptr: skb)) { |
4156 | bt_dev_err(hdev, "HCI reset during shutdown failed" ); |
4157 | return PTR_ERR(ptr: skb); |
4158 | } |
4159 | kfree_skb(skb); |
4160 | |
4161 | return 0; |
4162 | } |
4163 | |
4164 | static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf, |
4165 | size_t count, loff_t *ppos) |
4166 | { |
4167 | struct btusb_data *data = file->private_data; |
4168 | char buf[3]; |
4169 | |
4170 | buf[0] = data->poll_sync ? 'Y' : 'N'; |
4171 | buf[1] = '\n'; |
4172 | buf[2] = '\0'; |
4173 | return simple_read_from_buffer(to: user_buf, count, ppos, from: buf, available: 2); |
4174 | } |
4175 | |
4176 | static ssize_t force_poll_sync_write(struct file *file, |
4177 | const char __user *user_buf, |
4178 | size_t count, loff_t *ppos) |
4179 | { |
4180 | struct btusb_data *data = file->private_data; |
4181 | bool enable; |
4182 | int err; |
4183 | |
4184 | err = kstrtobool_from_user(s: user_buf, count, res: &enable); |
4185 | if (err) |
4186 | return err; |
4187 | |
4188 | /* Only allow changes while the adapter is down */ |
4189 | if (test_bit(HCI_UP, &data->hdev->flags)) |
4190 | return -EPERM; |
4191 | |
4192 | if (data->poll_sync == enable) |
4193 | return -EALREADY; |
4194 | |
4195 | data->poll_sync = enable; |
4196 | |
4197 | return count; |
4198 | } |
4199 | |
4200 | static const struct file_operations force_poll_sync_fops = { |
4201 | .open = simple_open, |
4202 | .read = force_poll_sync_read, |
4203 | .write = force_poll_sync_write, |
4204 | .llseek = default_llseek, |
4205 | }; |
4206 | |
4207 | static int btusb_probe(struct usb_interface *intf, |
4208 | const struct usb_device_id *id) |
4209 | { |
4210 | struct usb_endpoint_descriptor *ep_desc; |
4211 | struct gpio_desc *reset_gpio; |
4212 | struct btusb_data *data; |
4213 | struct hci_dev *hdev; |
4214 | unsigned ifnum_base; |
4215 | int i, err, priv_size; |
4216 | |
4217 | BT_DBG("intf %p id %p" , intf, id); |
4218 | |
4219 | if ((id->driver_info & BTUSB_IFNUM_2) && |
4220 | (intf->cur_altsetting->desc.bInterfaceNumber != 0) && |
4221 | (intf->cur_altsetting->desc.bInterfaceNumber != 2)) |
4222 | return -ENODEV; |
4223 | |
4224 | ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; |
4225 | |
4226 | if (!id->driver_info) { |
4227 | const struct usb_device_id *match; |
4228 | |
4229 | match = usb_match_id(interface: intf, id: quirks_table); |
4230 | if (match) |
4231 | id = match; |
4232 | } |
4233 | |
4234 | if (id->driver_info == BTUSB_IGNORE) |
4235 | return -ENODEV; |
4236 | |
4237 | if (id->driver_info & BTUSB_ATH3012) { |
4238 | struct usb_device *udev = interface_to_usbdev(intf); |
4239 | |
4240 | /* Old firmware would otherwise let ath3k driver load |
4241 | * patch and sysconfig files |
4242 | */ |
4243 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 && |
4244 | !btusb_qca_need_patch(udev)) |
4245 | return -ENODEV; |
4246 | } |
4247 | |
4248 | data = devm_kzalloc(dev: &intf->dev, size: sizeof(*data), GFP_KERNEL); |
4249 | if (!data) |
4250 | return -ENOMEM; |
4251 | |
4252 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { |
4253 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; |
4254 | |
4255 | if (!data->intr_ep && usb_endpoint_is_int_in(epd: ep_desc)) { |
4256 | data->intr_ep = ep_desc; |
4257 | continue; |
4258 | } |
4259 | |
4260 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(epd: ep_desc)) { |
4261 | data->bulk_tx_ep = ep_desc; |
4262 | continue; |
4263 | } |
4264 | |
4265 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(epd: ep_desc)) { |
4266 | data->bulk_rx_ep = ep_desc; |
4267 | continue; |
4268 | } |
4269 | } |
4270 | |
4271 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
4272 | return -ENODEV; |
4273 | |
4274 | if (id->driver_info & BTUSB_AMP) { |
4275 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; |
4276 | data->cmdreq = 0x2b; |
4277 | } else { |
4278 | data->cmdreq_type = USB_TYPE_CLASS; |
4279 | data->cmdreq = 0x00; |
4280 | } |
4281 | |
4282 | data->udev = interface_to_usbdev(intf); |
4283 | data->intf = intf; |
4284 | |
4285 | INIT_WORK(&data->work, btusb_work); |
4286 | INIT_WORK(&data->waker, btusb_waker); |
4287 | INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work); |
4288 | |
4289 | skb_queue_head_init(list: &data->acl_q); |
4290 | |
4291 | init_usb_anchor(anchor: &data->deferred); |
4292 | init_usb_anchor(anchor: &data->tx_anchor); |
4293 | spin_lock_init(&data->txlock); |
4294 | |
4295 | init_usb_anchor(anchor: &data->intr_anchor); |
4296 | init_usb_anchor(anchor: &data->bulk_anchor); |
4297 | init_usb_anchor(anchor: &data->isoc_anchor); |
4298 | init_usb_anchor(anchor: &data->diag_anchor); |
4299 | init_usb_anchor(anchor: &data->ctrl_anchor); |
4300 | spin_lock_init(&data->rxlock); |
4301 | |
4302 | priv_size = 0; |
4303 | |
4304 | data->recv_event = hci_recv_frame; |
4305 | data->recv_bulk = btusb_recv_bulk; |
4306 | |
4307 | if (id->driver_info & BTUSB_INTEL_COMBINED) { |
4308 | /* Allocate extra space for Intel device */ |
4309 | priv_size += sizeof(struct btintel_data); |
4310 | |
4311 | /* Override the rx handlers */ |
4312 | data->recv_event = btintel_recv_event; |
4313 | data->recv_bulk = btusb_recv_bulk_intel; |
4314 | } else if (id->driver_info & BTUSB_REALTEK) { |
4315 | /* Allocate extra space for Realtek device */ |
4316 | priv_size += sizeof(struct btrealtek_data); |
4317 | |
4318 | data->recv_event = btusb_recv_event_realtek; |
4319 | } else if (id->driver_info & BTUSB_MEDIATEK) { |
4320 | /* Allocate extra space for Mediatek device */ |
4321 | priv_size += sizeof(struct btmediatek_data); |
4322 | } |
4323 | |
4324 | data->recv_acl = hci_recv_frame; |
4325 | |
4326 | hdev = hci_alloc_dev_priv(sizeof_priv: priv_size); |
4327 | if (!hdev) |
4328 | return -ENOMEM; |
4329 | |
4330 | hdev->bus = HCI_USB; |
4331 | hci_set_drvdata(hdev, data); |
4332 | |
4333 | if (id->driver_info & BTUSB_AMP) |
4334 | hdev->dev_type = HCI_AMP; |
4335 | else |
4336 | hdev->dev_type = HCI_PRIMARY; |
4337 | |
4338 | data->hdev = hdev; |
4339 | |
4340 | SET_HCIDEV_DEV(hdev, &intf->dev); |
4341 | |
4342 | reset_gpio = gpiod_get_optional(dev: &data->udev->dev, con_id: "reset" , |
4343 | flags: GPIOD_OUT_LOW); |
4344 | if (IS_ERR(ptr: reset_gpio)) { |
4345 | err = PTR_ERR(ptr: reset_gpio); |
4346 | goto out_free_dev; |
4347 | } else if (reset_gpio) { |
4348 | data->reset_gpio = reset_gpio; |
4349 | } |
4350 | |
4351 | hdev->open = btusb_open; |
4352 | hdev->close = btusb_close; |
4353 | hdev->flush = btusb_flush; |
4354 | hdev->send = btusb_send_frame; |
4355 | hdev->notify = btusb_notify; |
4356 | hdev->wakeup = btusb_wakeup; |
4357 | |
4358 | #ifdef CONFIG_PM |
4359 | err = btusb_config_oob_wake(hdev); |
4360 | if (err) |
4361 | goto out_free_dev; |
4362 | |
4363 | /* Marvell devices may need a specific chip configuration */ |
4364 | if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { |
4365 | err = marvell_config_oob_wake(hdev); |
4366 | if (err) |
4367 | goto out_free_dev; |
4368 | } |
4369 | #endif |
4370 | if (id->driver_info & BTUSB_CW6622) |
4371 | set_bit(nr: HCI_QUIRK_BROKEN_STORED_LINK_KEY, addr: &hdev->quirks); |
4372 | |
4373 | if (id->driver_info & BTUSB_BCM2045) |
4374 | set_bit(nr: HCI_QUIRK_BROKEN_STORED_LINK_KEY, addr: &hdev->quirks); |
4375 | |
4376 | if (id->driver_info & BTUSB_BCM92035) |
4377 | hdev->setup = btusb_setup_bcm92035; |
4378 | |
4379 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && |
4380 | (id->driver_info & BTUSB_BCM_PATCHRAM)) { |
4381 | hdev->manufacturer = 15; |
4382 | hdev->setup = btbcm_setup_patchram; |
4383 | hdev->set_diag = btusb_bcm_set_diag; |
4384 | hdev->set_bdaddr = btbcm_set_bdaddr; |
4385 | |
4386 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ |
4387 | data->diag = usb_ifnum_to_if(dev: data->udev, ifnum: ifnum_base + 2); |
4388 | } |
4389 | |
4390 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && |
4391 | (id->driver_info & BTUSB_BCM_APPLE)) { |
4392 | hdev->manufacturer = 15; |
4393 | hdev->setup = btbcm_setup_apple; |
4394 | hdev->set_diag = btusb_bcm_set_diag; |
4395 | |
4396 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ |
4397 | data->diag = usb_ifnum_to_if(dev: data->udev, ifnum: ifnum_base + 2); |
4398 | } |
4399 | |
4400 | /* Combined Intel Device setup to support multiple setup routine */ |
4401 | if (id->driver_info & BTUSB_INTEL_COMBINED) { |
4402 | err = btintel_configure_setup(hdev, driver_name: btusb_driver.name); |
4403 | if (err) |
4404 | goto out_free_dev; |
4405 | |
4406 | /* Transport specific configuration */ |
4407 | hdev->send = btusb_send_frame_intel; |
4408 | hdev->cmd_timeout = btusb_intel_cmd_timeout; |
4409 | |
4410 | if (id->driver_info & BTUSB_INTEL_NO_WBS_SUPPORT) |
4411 | btintel_set_flag(hdev, INTEL_ROM_LEGACY_NO_WBS_SUPPORT); |
4412 | |
4413 | if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD) |
4414 | btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD); |
4415 | |
4416 | if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED) |
4417 | btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED); |
4418 | } |
4419 | |
4420 | if (id->driver_info & BTUSB_MARVELL) |
4421 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; |
4422 | |
4423 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) && |
4424 | (id->driver_info & BTUSB_MEDIATEK)) { |
4425 | hdev->setup = btusb_mtk_setup; |
4426 | hdev->shutdown = btusb_mtk_shutdown; |
4427 | hdev->manufacturer = 70; |
4428 | hdev->cmd_timeout = btmtk_reset_sync; |
4429 | hdev->set_bdaddr = btmtk_set_bdaddr; |
4430 | set_bit(nr: HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, addr: &hdev->quirks); |
4431 | set_bit(nr: HCI_QUIRK_NON_PERSISTENT_SETUP, addr: &hdev->quirks); |
4432 | data->recv_acl = btusb_recv_acl_mtk; |
4433 | } |
4434 | |
4435 | if (id->driver_info & BTUSB_SWAVE) { |
4436 | set_bit(nr: HCI_QUIRK_FIXUP_INQUIRY_MODE, addr: &hdev->quirks); |
4437 | set_bit(nr: HCI_QUIRK_BROKEN_LOCAL_COMMANDS, addr: &hdev->quirks); |
4438 | } |
4439 | |
4440 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
4441 | hdev->manufacturer = 2; |
4442 | set_bit(nr: HCI_QUIRK_RAW_DEVICE, addr: &hdev->quirks); |
4443 | } |
4444 | |
4445 | if (id->driver_info & BTUSB_ATH3012) { |
4446 | data->setup_on_usb = btusb_setup_qca; |
4447 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
4448 | set_bit(nr: HCI_QUIRK_SIMULTANEOUS_DISCOVERY, addr: &hdev->quirks); |
4449 | set_bit(nr: HCI_QUIRK_STRICT_DUPLICATE_FILTER, addr: &hdev->quirks); |
4450 | } |
4451 | |
4452 | if (id->driver_info & BTUSB_QCA_ROME) { |
4453 | data->setup_on_usb = btusb_setup_qca; |
4454 | hdev->shutdown = btusb_shutdown_qca; |
4455 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
4456 | hdev->cmd_timeout = btusb_qca_cmd_timeout; |
4457 | set_bit(nr: HCI_QUIRK_SIMULTANEOUS_DISCOVERY, addr: &hdev->quirks); |
4458 | btusb_check_needs_reset_resume(intf); |
4459 | } |
4460 | |
4461 | if (id->driver_info & BTUSB_QCA_WCN6855) { |
4462 | data->qca_dump.id_vendor = id->idVendor; |
4463 | data->qca_dump.id_product = id->idProduct; |
4464 | data->recv_event = btusb_recv_evt_qca; |
4465 | data->recv_acl = btusb_recv_acl_qca; |
4466 | hci_devcd_register(hdev, coredump: btusb_coredump_qca, dmp_hdr: btusb_dump_hdr_qca, NULL); |
4467 | data->setup_on_usb = btusb_setup_qca; |
4468 | hdev->shutdown = btusb_shutdown_qca; |
4469 | hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; |
4470 | hdev->cmd_timeout = btusb_qca_cmd_timeout; |
4471 | set_bit(nr: HCI_QUIRK_SIMULTANEOUS_DISCOVERY, addr: &hdev->quirks); |
4472 | hci_set_msft_opcode(hdev, opcode: 0xFD70); |
4473 | } |
4474 | |
4475 | if (id->driver_info & BTUSB_AMP) { |
4476 | /* AMP controllers do not support SCO packets */ |
4477 | data->isoc = NULL; |
4478 | } else { |
4479 | /* Interface orders are hardcoded in the specification */ |
4480 | data->isoc = usb_ifnum_to_if(dev: data->udev, ifnum: ifnum_base + 1); |
4481 | data->isoc_ifnum = ifnum_base + 1; |
4482 | } |
4483 | |
4484 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) && |
4485 | (id->driver_info & BTUSB_REALTEK)) { |
4486 | btrtl_set_driver_name(hdev, driver_name: btusb_driver.name); |
4487 | hdev->setup = btusb_setup_realtek; |
4488 | hdev->shutdown = btrtl_shutdown_realtek; |
4489 | hdev->cmd_timeout = btusb_rtl_cmd_timeout; |
4490 | hdev->hw_error = btusb_rtl_hw_error; |
4491 | |
4492 | /* Realtek devices need to set remote wakeup on auto-suspend */ |
4493 | set_bit(BTUSB_WAKEUP_AUTOSUSPEND, addr: &data->flags); |
4494 | set_bit(BTUSB_USE_ALT3_FOR_WBS, addr: &data->flags); |
4495 | } |
4496 | |
4497 | if (id->driver_info & BTUSB_ACTIONS_SEMI) { |
4498 | /* Support is advertised, but not implemented */ |
4499 | set_bit(nr: HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, addr: &hdev->quirks); |
4500 | set_bit(nr: HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, addr: &hdev->quirks); |
4501 | set_bit(nr: HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT, addr: &hdev->quirks); |
4502 | set_bit(nr: HCI_QUIRK_BROKEN_EXT_SCAN, addr: &hdev->quirks); |
4503 | set_bit(nr: HCI_QUIRK_BROKEN_READ_ENC_KEY_SIZE, addr: &hdev->quirks); |
4504 | } |
4505 | |
4506 | if (!reset) |
4507 | set_bit(nr: HCI_QUIRK_RESET_ON_CLOSE, addr: &hdev->quirks); |
4508 | |
4509 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { |
4510 | if (!disable_scofix) |
4511 | set_bit(nr: HCI_QUIRK_FIXUP_BUFFER_SIZE, addr: &hdev->quirks); |
4512 | } |
4513 | |
4514 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
4515 | data->isoc = NULL; |
4516 | |
4517 | if (id->driver_info & BTUSB_WIDEBAND_SPEECH) |
4518 | set_bit(nr: HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, addr: &hdev->quirks); |
4519 | |
4520 | if (id->driver_info & BTUSB_VALID_LE_STATES) |
4521 | set_bit(nr: HCI_QUIRK_VALID_LE_STATES, addr: &hdev->quirks); |
4522 | |
4523 | if (id->driver_info & BTUSB_DIGIANSWER) { |
4524 | data->cmdreq_type = USB_TYPE_VENDOR; |
4525 | set_bit(nr: HCI_QUIRK_RESET_ON_CLOSE, addr: &hdev->quirks); |
4526 | } |
4527 | |
4528 | if (id->driver_info & BTUSB_CSR) { |
4529 | struct usb_device *udev = data->udev; |
4530 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
4531 | |
4532 | /* Old firmware would otherwise execute USB reset */ |
4533 | if (bcdDevice < 0x117) |
4534 | set_bit(nr: HCI_QUIRK_RESET_ON_CLOSE, addr: &hdev->quirks); |
4535 | |
4536 | /* This must be set first in case we disable it for fakes */ |
4537 | set_bit(nr: HCI_QUIRK_SIMULTANEOUS_DISCOVERY, addr: &hdev->quirks); |
4538 | |
4539 | /* Fake CSR devices with broken commands */ |
4540 | if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 && |
4541 | le16_to_cpu(udev->descriptor.idProduct) == 0x0001) |
4542 | hdev->setup = btusb_setup_csr; |
4543 | } |
4544 | |
4545 | if (id->driver_info & BTUSB_SNIFFER) { |
4546 | struct usb_device *udev = data->udev; |
4547 | |
4548 | /* New sniffer firmware has crippled HCI interface */ |
4549 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
4550 | set_bit(nr: HCI_QUIRK_RAW_DEVICE, addr: &hdev->quirks); |
4551 | } |
4552 | |
4553 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
4554 | /* A bug in the bootloader causes that interrupt interface is |
4555 | * only enabled after receiving SetInterface(0, AltSetting=0). |
4556 | */ |
4557 | err = usb_set_interface(dev: data->udev, ifnum: 0, alternate: 0); |
4558 | if (err < 0) { |
4559 | BT_ERR("failed to set interface 0, alt 0 %d" , err); |
4560 | goto out_free_dev; |
4561 | } |
4562 | } |
4563 | |
4564 | if (data->isoc) { |
4565 | err = usb_driver_claim_interface(driver: &btusb_driver, |
4566 | iface: data->isoc, data); |
4567 | if (err < 0) |
4568 | goto out_free_dev; |
4569 | } |
4570 | |
4571 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) { |
4572 | if (!usb_driver_claim_interface(driver: &btusb_driver, |
4573 | iface: data->diag, data)) |
4574 | __set_diag_interface(hdev); |
4575 | else |
4576 | data->diag = NULL; |
4577 | } |
4578 | |
4579 | if (enable_autosuspend) |
4580 | usb_enable_autosuspend(udev: data->udev); |
4581 | |
4582 | data->poll_sync = enable_poll_sync; |
4583 | |
4584 | err = hci_register_dev(hdev); |
4585 | if (err < 0) |
4586 | goto out_free_dev; |
4587 | |
4588 | usb_set_intfdata(intf, data); |
4589 | |
4590 | debugfs_create_file(name: "force_poll_sync" , mode: 0644, parent: hdev->debugfs, data, |
4591 | fops: &force_poll_sync_fops); |
4592 | |
4593 | return 0; |
4594 | |
4595 | out_free_dev: |
4596 | if (data->reset_gpio) |
4597 | gpiod_put(desc: data->reset_gpio); |
4598 | hci_free_dev(hdev); |
4599 | return err; |
4600 | } |
4601 | |
4602 | static void btusb_disconnect(struct usb_interface *intf) |
4603 | { |
4604 | struct btusb_data *data = usb_get_intfdata(intf); |
4605 | struct hci_dev *hdev; |
4606 | |
4607 | BT_DBG("intf %p" , intf); |
4608 | |
4609 | if (!data) |
4610 | return; |
4611 | |
4612 | hdev = data->hdev; |
4613 | usb_set_intfdata(intf: data->intf, NULL); |
4614 | |
4615 | if (data->isoc) |
4616 | usb_set_intfdata(intf: data->isoc, NULL); |
4617 | |
4618 | if (data->diag) |
4619 | usb_set_intfdata(intf: data->diag, NULL); |
4620 | |
4621 | hci_unregister_dev(hdev); |
4622 | |
4623 | if (intf == data->intf) { |
4624 | if (data->isoc) |
4625 | usb_driver_release_interface(driver: &btusb_driver, iface: data->isoc); |
4626 | if (data->diag) |
4627 | usb_driver_release_interface(driver: &btusb_driver, iface: data->diag); |
4628 | } else if (intf == data->isoc) { |
4629 | if (data->diag) |
4630 | usb_driver_release_interface(driver: &btusb_driver, iface: data->diag); |
4631 | usb_driver_release_interface(driver: &btusb_driver, iface: data->intf); |
4632 | } else if (intf == data->diag) { |
4633 | usb_driver_release_interface(driver: &btusb_driver, iface: data->intf); |
4634 | if (data->isoc) |
4635 | usb_driver_release_interface(driver: &btusb_driver, iface: data->isoc); |
4636 | } |
4637 | |
4638 | if (data->oob_wake_irq) |
4639 | device_init_wakeup(dev: &data->udev->dev, enable: false); |
4640 | |
4641 | if (data->reset_gpio) |
4642 | gpiod_put(desc: data->reset_gpio); |
4643 | |
4644 | hci_free_dev(hdev); |
4645 | } |
4646 | |
4647 | #ifdef CONFIG_PM |
4648 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
4649 | { |
4650 | struct btusb_data *data = usb_get_intfdata(intf); |
4651 | |
4652 | BT_DBG("intf %p" , intf); |
4653 | |
4654 | /* Don't suspend if there are connections */ |
4655 | if (hci_conn_count(hdev: data->hdev)) |
4656 | return -EBUSY; |
4657 | |
4658 | if (data->suspend_count++) |
4659 | return 0; |
4660 | |
4661 | spin_lock_irq(lock: &data->txlock); |
4662 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
4663 | set_bit(BTUSB_SUSPENDING, addr: &data->flags); |
4664 | spin_unlock_irq(lock: &data->txlock); |
4665 | } else { |
4666 | spin_unlock_irq(lock: &data->txlock); |
4667 | data->suspend_count--; |
4668 | return -EBUSY; |
4669 | } |
4670 | |
4671 | cancel_work_sync(work: &data->work); |
4672 | |
4673 | btusb_stop_traffic(data); |
4674 | usb_kill_anchored_urbs(anchor: &data->tx_anchor); |
4675 | |
4676 | if (data->oob_wake_irq && device_may_wakeup(dev: &data->udev->dev)) { |
4677 | set_bit(BTUSB_OOB_WAKE_ENABLED, addr: &data->flags); |
4678 | enable_irq_wake(irq: data->oob_wake_irq); |
4679 | enable_irq(irq: data->oob_wake_irq); |
4680 | } |
4681 | |
4682 | /* For global suspend, Realtek devices lose the loaded fw |
4683 | * in them. But for autosuspend, firmware should remain. |
4684 | * Actually, it depends on whether the usb host sends |
4685 | * set feature (enable wakeup) or not. |
4686 | */ |
4687 | if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) { |
4688 | if (PMSG_IS_AUTO(message) && |
4689 | device_can_wakeup(dev: &data->udev->dev)) |
4690 | data->udev->do_remote_wakeup = 1; |
4691 | else if (!PMSG_IS_AUTO(message) && |
4692 | !device_may_wakeup(dev: &data->udev->dev)) { |
4693 | data->udev->do_remote_wakeup = 0; |
4694 | data->udev->reset_resume = 1; |
4695 | } |
4696 | } |
4697 | |
4698 | return 0; |
4699 | } |
4700 | |
4701 | static void play_deferred(struct btusb_data *data) |
4702 | { |
4703 | struct urb *urb; |
4704 | int err; |
4705 | |
4706 | while ((urb = usb_get_from_anchor(anchor: &data->deferred))) { |
4707 | usb_anchor_urb(urb, anchor: &data->tx_anchor); |
4708 | |
4709 | err = usb_submit_urb(urb, GFP_ATOMIC); |
4710 | if (err < 0) { |
4711 | if (err != -EPERM && err != -ENODEV) |
4712 | BT_ERR("%s urb %p submission failed (%d)" , |
4713 | data->hdev->name, urb, -err); |
4714 | kfree(objp: urb->setup_packet); |
4715 | usb_unanchor_urb(urb); |
4716 | usb_free_urb(urb); |
4717 | break; |
4718 | } |
4719 | |
4720 | data->tx_in_flight++; |
4721 | usb_free_urb(urb); |
4722 | } |
4723 | |
4724 | /* Cleanup the rest deferred urbs. */ |
4725 | while ((urb = usb_get_from_anchor(anchor: &data->deferred))) { |
4726 | kfree(objp: urb->setup_packet); |
4727 | usb_free_urb(urb); |
4728 | } |
4729 | } |
4730 | |
4731 | static int btusb_resume(struct usb_interface *intf) |
4732 | { |
4733 | struct btusb_data *data = usb_get_intfdata(intf); |
4734 | struct hci_dev *hdev = data->hdev; |
4735 | int err = 0; |
4736 | |
4737 | BT_DBG("intf %p" , intf); |
4738 | |
4739 | if (--data->suspend_count) |
4740 | return 0; |
4741 | |
4742 | /* Disable only if not already disabled (keep it balanced) */ |
4743 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, addr: &data->flags)) { |
4744 | disable_irq(irq: data->oob_wake_irq); |
4745 | disable_irq_wake(irq: data->oob_wake_irq); |
4746 | } |
4747 | |
4748 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
4749 | goto done; |
4750 | |
4751 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { |
4752 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); |
4753 | if (err < 0) { |
4754 | clear_bit(BTUSB_INTR_RUNNING, addr: &data->flags); |
4755 | goto failed; |
4756 | } |
4757 | } |
4758 | |
4759 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { |
4760 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
4761 | if (err < 0) { |
4762 | clear_bit(BTUSB_BULK_RUNNING, addr: &data->flags); |
4763 | goto failed; |
4764 | } |
4765 | |
4766 | btusb_submit_bulk_urb(hdev, GFP_NOIO); |
4767 | } |
4768 | |
4769 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { |
4770 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) |
4771 | clear_bit(BTUSB_ISOC_RUNNING, addr: &data->flags); |
4772 | else |
4773 | btusb_submit_isoc_urb(hdev, GFP_NOIO); |
4774 | } |
4775 | |
4776 | spin_lock_irq(lock: &data->txlock); |
4777 | play_deferred(data); |
4778 | clear_bit(BTUSB_SUSPENDING, addr: &data->flags); |
4779 | spin_unlock_irq(lock: &data->txlock); |
4780 | schedule_work(work: &data->work); |
4781 | |
4782 | return 0; |
4783 | |
4784 | failed: |
4785 | usb_scuttle_anchored_urbs(anchor: &data->deferred); |
4786 | done: |
4787 | spin_lock_irq(lock: &data->txlock); |
4788 | clear_bit(BTUSB_SUSPENDING, addr: &data->flags); |
4789 | spin_unlock_irq(lock: &data->txlock); |
4790 | |
4791 | return err; |
4792 | } |
4793 | #endif |
4794 | |
4795 | #ifdef CONFIG_DEV_COREDUMP |
4796 | static void btusb_coredump(struct device *dev) |
4797 | { |
4798 | struct btusb_data *data = dev_get_drvdata(dev); |
4799 | struct hci_dev *hdev = data->hdev; |
4800 | |
4801 | if (hdev->dump.coredump) |
4802 | hdev->dump.coredump(hdev); |
4803 | } |
4804 | #endif |
4805 | |
4806 | static struct usb_driver btusb_driver = { |
4807 | .name = "btusb" , |
4808 | .probe = btusb_probe, |
4809 | .disconnect = btusb_disconnect, |
4810 | #ifdef CONFIG_PM |
4811 | .suspend = btusb_suspend, |
4812 | .resume = btusb_resume, |
4813 | #endif |
4814 | .id_table = btusb_table, |
4815 | .supports_autosuspend = 1, |
4816 | .disable_hub_initiated_lpm = 1, |
4817 | |
4818 | #ifdef CONFIG_DEV_COREDUMP |
4819 | .driver = { |
4820 | .coredump = btusb_coredump, |
4821 | }, |
4822 | #endif |
4823 | }; |
4824 | |
4825 | module_usb_driver(btusb_driver); |
4826 | |
4827 | module_param(disable_scofix, bool, 0644); |
4828 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size" ); |
4829 | |
4830 | module_param(force_scofix, bool, 0644); |
4831 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size" ); |
4832 | |
4833 | module_param(enable_autosuspend, bool, 0644); |
4834 | MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default" ); |
4835 | |
4836 | module_param(reset, bool, 0644); |
4837 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization" ); |
4838 | |
4839 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>" ); |
4840 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); |
4841 | MODULE_VERSION(VERSION); |
4842 | MODULE_LICENSE("GPL" ); |
4843 | |