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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 <linux/unaligned.h> | |
21 | ||
22 | #include <net/bluetooth/bluetooth.h> | |
23 | #include <net/bluetooth/hci_core.h> | |
24 | #include <net/bluetooth/hci_drv.h> | |
25 | ||
26 | #include "btintel.h" | |
27 | #include "btbcm.h" | |
28 | #include "btrtl.h" | |
29 | #include "btmtk.h" | |
30 | ||
31 | #define VERSION "0.8" | |
32 | ||
33 | static bool disable_scofix; | |
34 | static bool force_scofix; | |
35 | static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND); | |
36 | static bool enable_poll_sync = IS_ENABLED(CONFIG_BT_HCIBTUSB_POLL_SYNC); | |
37 | static bool reset = true; | |
38 | ||
39 | static struct usb_driver btusb_driver; | |
40 | ||
41 | #define BTUSB_IGNORE BIT(0) | |
42 | #define BTUSB_DIGIANSWER BIT(1) | |
43 | #define BTUSB_CSR BIT(2) | |
44 | #define BTUSB_SNIFFER BIT(3) | |
45 | #define BTUSB_BCM92035 BIT(4) | |
46 | #define BTUSB_BROKEN_ISOC BIT(5) | |
47 | #define BTUSB_WRONG_SCO_MTU BIT(6) | |
48 | #define BTUSB_ATH3012 BIT(7) | |
49 | #define BTUSB_INTEL_COMBINED BIT(8) | |
50 | #define BTUSB_INTEL_BOOT BIT(9) | |
51 | #define BTUSB_BCM_PATCHRAM BIT(10) | |
52 | #define BTUSB_MARVELL BIT(11) | |
53 | #define BTUSB_SWAVE BIT(12) | |
54 | #define BTUSB_AMP BIT(13) | |
55 | #define BTUSB_QCA_ROME BIT(14) | |
56 | #define BTUSB_BCM_APPLE BIT(15) | |
57 | #define BTUSB_REALTEK BIT(16) | |
58 | #define BTUSB_BCM2045 BIT(17) | |
59 | #define BTUSB_IFNUM_2 BIT(18) | |
60 | #define BTUSB_CW6622 BIT(19) | |
61 | #define BTUSB_MEDIATEK BIT(20) | |
62 | #define BTUSB_WIDEBAND_SPEECH BIT(21) | |
63 | #define BTUSB_INVALID_LE_STATES BIT(22) | |
64 | #define BTUSB_QCA_WCN6855 BIT(23) | |
65 | #define BTUSB_INTEL_BROKEN_SHUTDOWN_LED BIT(24) | |
66 | #define BTUSB_INTEL_BROKEN_INITIAL_NCMD BIT(25) | |
67 | #define BTUSB_INTEL_NO_WBS_SUPPORT BIT(26) | |
68 | #define BTUSB_ACTIONS_SEMI BIT(27) | |
69 | ||
70 | static const struct usb_device_id btusb_table[] = { | |
71 | /* Generic Bluetooth USB device */ | |
72 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
73 | ||
74 | /* Generic Bluetooth AMP device */ | |
75 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, | |
76 | ||
77 | /* Generic Bluetooth USB interface */ | |
78 | { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) }, | |
79 | ||
80 | /* Apple-specific (Broadcom) devices */ | |
81 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), | |
82 | .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 }, | |
83 | ||
84 | /* MediaTek MT76x0E */ | |
85 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
86 | ||
87 | /* Broadcom SoftSailing reporting vendor specific */ | |
88 | { USB_DEVICE(0x0a5c, 0x21e1) }, | |
89 | ||
90 | /* Apple MacBookPro 7,1 */ | |
91 | { USB_DEVICE(0x05ac, 0x8213) }, | |
92 | ||
93 | /* Apple iMac11,1 */ | |
94 | { USB_DEVICE(0x05ac, 0x8215) }, | |
95 | ||
96 | /* Apple MacBookPro6,2 */ | |
97 | { USB_DEVICE(0x05ac, 0x8218) }, | |
98 | ||
99 | /* Apple MacBookAir3,1, MacBookAir3,2 */ | |
100 | { USB_DEVICE(0x05ac, 0x821b) }, | |
101 | ||
102 | /* Apple MacBookAir4,1 */ | |
103 | { USB_DEVICE(0x05ac, 0x821f) }, | |
104 | ||
105 | /* Apple MacBookPro8,2 */ | |
106 | { USB_DEVICE(0x05ac, 0x821a) }, | |
107 | ||
108 | /* Apple MacMini5,1 */ | |
109 | { USB_DEVICE(0x05ac, 0x8281) }, | |
110 | ||
111 | /* AVM BlueFRITZ! USB v2.0 */ | |
112 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, | |
113 | ||
114 | /* Bluetooth Ultraport Module from IBM */ | |
115 | { USB_DEVICE(0x04bf, 0x030a) }, | |
116 | ||
117 | /* ALPS Modules with non-standard id */ | |
118 | { USB_DEVICE(0x044e, 0x3001) }, | |
119 | { USB_DEVICE(0x044e, 0x3002) }, | |
120 | ||
121 | /* Ericsson with non-standard id */ | |
122 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
123 | ||
124 | /* Canyon CN-BTU1 with HID interfaces */ | |
125 | { USB_DEVICE(0x0c10, 0x0000) }, | |
126 | ||
127 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ | |
128 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, | |
129 | ||
130 | /* Broadcom BCM43142A0 (Foxconn/Lenovo) */ | |
131 | { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01), | |
132 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
133 | ||
134 | /* Broadcom BCM920703 (HTC Vive) */ | |
135 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01), | |
136 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
137 | ||
138 | /* Foxconn - Hon Hai */ | |
139 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), | |
140 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
141 | ||
142 | /* Lite-On Technology - Broadcom based */ | |
143 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), | |
144 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
145 | ||
146 | /* Broadcom devices with vendor specific id */ | |
147 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), | |
148 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
149 | ||
150 | /* ASUSTek Computer - Broadcom based */ | |
151 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), | |
152 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
153 | ||
154 | /* Belkin F8065bf - Broadcom based */ | |
155 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), | |
156 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
157 | ||
158 | /* IMC Networks - Broadcom based */ | |
159 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), | |
160 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
161 | ||
162 | /* Dell Computer - Broadcom based */ | |
163 | { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01), | |
164 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
165 | ||
166 | /* Toshiba Corp - Broadcom based */ | |
167 | { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01), | |
168 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
169 | ||
170 | /* Intel Bluetooth USB Bootloader (RAM module) */ | |
171 | { USB_DEVICE(0x8087, 0x0a5a), | |
172 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
173 | ||
174 | { } /* Terminating entry */ | |
175 | }; | |
176 | ||
177 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
178 | ||
179 | static const struct usb_device_id quirks_table[] = { | |
180 | /* CSR BlueCore devices */ | |
181 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
182 | ||
183 | /* Broadcom BCM2033 without firmware */ | |
184 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
185 | ||
186 | /* Broadcom BCM2045 devices */ | |
187 | { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 }, | |
188 | ||
189 | /* Atheros 3011 with sflash firmware */ | |
190 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, | |
191 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
192 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, | |
193 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, | |
194 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
195 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, | |
196 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, | |
197 | ||
198 | /* Atheros AR9285 Malbec with sflash firmware */ | |
199 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
200 | ||
201 | /* Atheros 3012 with sflash firmware */ | |
202 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, | |
203 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
204 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
205 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
206 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
207 | { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, | |
208 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, | |
209 | { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, | |
210 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, | |
211 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
212 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
213 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
214 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, | |
215 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, | |
216 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
217 | { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, | |
218 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, | |
219 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, | |
220 | { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, | |
221 | { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, | |
222 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, | |
223 | { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, | |
224 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
225 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, | |
226 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, | |
227 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, | |
228 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
229 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, | |
230 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, | |
231 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, | |
232 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, | |
233 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, | |
234 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, | |
235 | { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, | |
236 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, | |
237 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, | |
238 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, | |
239 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, | |
240 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, | |
241 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
242 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, | |
243 | { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, | |
244 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, | |
245 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, | |
246 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, | |
247 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, | |
248 | { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, | |
249 | { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, | |
250 | { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, | |
251 | { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, | |
252 | ||
253 | /* Atheros AR5BBU12 with sflash firmware */ | |
254 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
255 | ||
256 | /* Atheros AR5BBU12 with sflash firmware */ | |
257 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, | |
258 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, | |
259 | ||
260 | /* QCA ROME chipset */ | |
261 | { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME | | |
262 | BTUSB_WIDEBAND_SPEECH }, | |
263 | { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME | | |
264 | BTUSB_WIDEBAND_SPEECH }, | |
265 | { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME | | |
266 | BTUSB_WIDEBAND_SPEECH }, | |
267 | { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME | | |
268 | BTUSB_WIDEBAND_SPEECH }, | |
269 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME | | |
270 | BTUSB_WIDEBAND_SPEECH }, | |
271 | { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME | | |
272 | BTUSB_WIDEBAND_SPEECH }, | |
273 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME | | |
274 | BTUSB_WIDEBAND_SPEECH }, | |
275 | { USB_DEVICE(0x0cf3, 0xe500), .driver_info = BTUSB_QCA_ROME | | |
276 | BTUSB_WIDEBAND_SPEECH }, | |
277 | { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME | | |
278 | BTUSB_WIDEBAND_SPEECH }, | |
279 | { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME | | |
280 | BTUSB_WIDEBAND_SPEECH }, | |
281 | { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME | | |
282 | BTUSB_WIDEBAND_SPEECH }, | |
283 | { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME | | |
284 | BTUSB_WIDEBAND_SPEECH }, | |
285 | { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME | | |
286 | BTUSB_WIDEBAND_SPEECH }, | |
287 | { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME | | |
288 | BTUSB_WIDEBAND_SPEECH }, | |
289 | { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME | | |
290 | BTUSB_WIDEBAND_SPEECH }, | |
291 | { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME | | |
292 | BTUSB_WIDEBAND_SPEECH }, | |
293 | { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME | | |
294 | BTUSB_WIDEBAND_SPEECH }, | |
295 | { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME | | |
296 | BTUSB_WIDEBAND_SPEECH }, | |
297 | { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME | | |
298 | BTUSB_WIDEBAND_SPEECH }, | |
299 | ||
300 | /* QCA WCN6855 chipset */ | |
301 | { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | | |
302 | BTUSB_WIDEBAND_SPEECH }, | |
303 | { USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 | | |
304 | BTUSB_WIDEBAND_SPEECH }, | |
305 | { USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 | | |
306 | BTUSB_WIDEBAND_SPEECH }, | |
307 | { USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 | | |
308 | BTUSB_WIDEBAND_SPEECH }, | |
309 | { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 | | |
310 | BTUSB_WIDEBAND_SPEECH }, | |
311 | { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 | | |
312 | BTUSB_WIDEBAND_SPEECH }, | |
313 | { USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 | | |
314 | BTUSB_WIDEBAND_SPEECH }, | |
315 | { USB_DEVICE(0x10ab, 0x9108), .driver_info = BTUSB_QCA_WCN6855 | | |
316 | BTUSB_WIDEBAND_SPEECH }, | |
317 | { USB_DEVICE(0x10ab, 0x9109), .driver_info = BTUSB_QCA_WCN6855 | | |
318 | BTUSB_WIDEBAND_SPEECH }, | |
319 | { USB_DEVICE(0x10ab, 0x9208), .driver_info = BTUSB_QCA_WCN6855 | | |
320 | BTUSB_WIDEBAND_SPEECH }, | |
321 | { USB_DEVICE(0x10ab, 0x9209), .driver_info = BTUSB_QCA_WCN6855 | | |
322 | BTUSB_WIDEBAND_SPEECH }, | |
323 | { USB_DEVICE(0x10ab, 0x9308), .driver_info = BTUSB_QCA_WCN6855 | | |
324 | BTUSB_WIDEBAND_SPEECH }, | |
325 | { USB_DEVICE(0x10ab, 0x9408), .driver_info = BTUSB_QCA_WCN6855 | | |
326 | BTUSB_WIDEBAND_SPEECH }, | |
327 | { USB_DEVICE(0x10ab, 0x9508), .driver_info = BTUSB_QCA_WCN6855 | | |
328 | BTUSB_WIDEBAND_SPEECH }, | |
329 | { USB_DEVICE(0x10ab, 0x9509), .driver_info = BTUSB_QCA_WCN6855 | | |
330 | BTUSB_WIDEBAND_SPEECH }, | |
331 | { USB_DEVICE(0x10ab, 0x9608), .driver_info = BTUSB_QCA_WCN6855 | | |
332 | BTUSB_WIDEBAND_SPEECH }, | |
333 | { USB_DEVICE(0x10ab, 0x9609), .driver_info = BTUSB_QCA_WCN6855 | | |
334 | BTUSB_WIDEBAND_SPEECH }, | |
335 | { USB_DEVICE(0x10ab, 0x9f09), .driver_info = BTUSB_QCA_WCN6855 | | |
336 | BTUSB_WIDEBAND_SPEECH }, | |
337 | { USB_DEVICE(0x04ca, 0x3022), .driver_info = BTUSB_QCA_WCN6855 | | |
338 | BTUSB_WIDEBAND_SPEECH }, | |
339 | { USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 | | |
340 | BTUSB_WIDEBAND_SPEECH }, | |
341 | { USB_DEVICE(0x0489, 0xe0c9), .driver_info = BTUSB_QCA_WCN6855 | | |
342 | BTUSB_WIDEBAND_SPEECH }, | |
343 | { USB_DEVICE(0x0489, 0xe0ca), .driver_info = BTUSB_QCA_WCN6855 | | |
344 | BTUSB_WIDEBAND_SPEECH }, | |
345 | { USB_DEVICE(0x0489, 0xe0cb), .driver_info = BTUSB_QCA_WCN6855 | | |
346 | BTUSB_WIDEBAND_SPEECH }, | |
347 | { USB_DEVICE(0x0489, 0xe0ce), .driver_info = BTUSB_QCA_WCN6855 | | |
348 | BTUSB_WIDEBAND_SPEECH }, | |
349 | { USB_DEVICE(0x0489, 0xe0de), .driver_info = BTUSB_QCA_WCN6855 | | |
350 | BTUSB_WIDEBAND_SPEECH }, | |
351 | { USB_DEVICE(0x0489, 0xe0df), .driver_info = BTUSB_QCA_WCN6855 | | |
352 | BTUSB_WIDEBAND_SPEECH }, | |
353 | { USB_DEVICE(0x0489, 0xe0e1), .driver_info = BTUSB_QCA_WCN6855 | | |
354 | BTUSB_WIDEBAND_SPEECH }, | |
355 | { USB_DEVICE(0x0489, 0xe0ea), .driver_info = BTUSB_QCA_WCN6855 | | |
356 | BTUSB_WIDEBAND_SPEECH }, | |
357 | { USB_DEVICE(0x0489, 0xe0ec), .driver_info = BTUSB_QCA_WCN6855 | | |
358 | BTUSB_WIDEBAND_SPEECH }, | |
359 | { USB_DEVICE(0x04ca, 0x3023), .driver_info = BTUSB_QCA_WCN6855 | | |
360 | BTUSB_WIDEBAND_SPEECH }, | |
361 | { USB_DEVICE(0x04ca, 0x3024), .driver_info = BTUSB_QCA_WCN6855 | | |
362 | BTUSB_WIDEBAND_SPEECH }, | |
363 | { USB_DEVICE(0x04ca, 0x3a22), .driver_info = BTUSB_QCA_WCN6855 | | |
364 | BTUSB_WIDEBAND_SPEECH }, | |
365 | { USB_DEVICE(0x04ca, 0x3a24), .driver_info = BTUSB_QCA_WCN6855 | | |
366 | BTUSB_WIDEBAND_SPEECH }, | |
367 | { USB_DEVICE(0x04ca, 0x3a26), .driver_info = BTUSB_QCA_WCN6855 | | |
368 | BTUSB_WIDEBAND_SPEECH }, | |
369 | { USB_DEVICE(0x04ca, 0x3a27), .driver_info = BTUSB_QCA_WCN6855 | | |
370 | BTUSB_WIDEBAND_SPEECH }, | |
371 | ||
372 | /* QCA WCN785x chipset */ | |
373 | { USB_DEVICE(0x0cf3, 0xe700), .driver_info = BTUSB_QCA_WCN6855 | | |
374 | BTUSB_WIDEBAND_SPEECH }, | |
375 | { USB_DEVICE(0x0489, 0xe0fc), .driver_info = BTUSB_QCA_WCN6855 | | |
376 | BTUSB_WIDEBAND_SPEECH }, | |
377 | { USB_DEVICE(0x0489, 0xe0f3), .driver_info = BTUSB_QCA_WCN6855 | | |
378 | BTUSB_WIDEBAND_SPEECH }, | |
379 | { USB_DEVICE(0x0489, 0xe100), .driver_info = BTUSB_QCA_WCN6855 | | |
380 | BTUSB_WIDEBAND_SPEECH }, | |
381 | { USB_DEVICE(0x0489, 0xe103), .driver_info = BTUSB_QCA_WCN6855 | | |
382 | BTUSB_WIDEBAND_SPEECH }, | |
383 | { USB_DEVICE(0x0489, 0xe10a), .driver_info = BTUSB_QCA_WCN6855 | | |
384 | BTUSB_WIDEBAND_SPEECH }, | |
385 | { USB_DEVICE(0x0489, 0xe10d), .driver_info = BTUSB_QCA_WCN6855 | | |
386 | BTUSB_WIDEBAND_SPEECH }, | |
387 | { USB_DEVICE(0x0489, 0xe11b), .driver_info = BTUSB_QCA_WCN6855 | | |
388 | BTUSB_WIDEBAND_SPEECH }, | |
389 | { USB_DEVICE(0x0489, 0xe11c), .driver_info = BTUSB_QCA_WCN6855 | | |
390 | BTUSB_WIDEBAND_SPEECH }, | |
391 | { USB_DEVICE(0x0489, 0xe11f), .driver_info = BTUSB_QCA_WCN6855 | | |
392 | BTUSB_WIDEBAND_SPEECH }, | |
393 | { USB_DEVICE(0x0489, 0xe141), .driver_info = BTUSB_QCA_WCN6855 | | |
394 | BTUSB_WIDEBAND_SPEECH }, | |
395 | { USB_DEVICE(0x0489, 0xe14a), .driver_info = BTUSB_QCA_WCN6855 | | |
396 | BTUSB_WIDEBAND_SPEECH }, | |
397 | { USB_DEVICE(0x0489, 0xe14b), .driver_info = BTUSB_QCA_WCN6855 | | |
398 | BTUSB_WIDEBAND_SPEECH }, | |
399 | { USB_DEVICE(0x0489, 0xe14d), .driver_info = BTUSB_QCA_WCN6855 | | |
400 | BTUSB_WIDEBAND_SPEECH }, | |
401 | { USB_DEVICE(0x13d3, 0x3623), .driver_info = BTUSB_QCA_WCN6855 | | |
402 | BTUSB_WIDEBAND_SPEECH }, | |
403 | { USB_DEVICE(0x13d3, 0x3624), .driver_info = BTUSB_QCA_WCN6855 | | |
404 | BTUSB_WIDEBAND_SPEECH }, | |
405 | { USB_DEVICE(0x2c7c, 0x0130), .driver_info = BTUSB_QCA_WCN6855 | | |
406 | BTUSB_WIDEBAND_SPEECH }, | |
407 | { USB_DEVICE(0x2c7c, 0x0131), .driver_info = BTUSB_QCA_WCN6855 | | |
408 | BTUSB_WIDEBAND_SPEECH }, | |
409 | { USB_DEVICE(0x2c7c, 0x0132), .driver_info = BTUSB_QCA_WCN6855 | | |
410 | BTUSB_WIDEBAND_SPEECH }, | |
411 | ||
412 | /* Broadcom BCM2035 */ | |
413 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
414 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
415 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
416 | ||
417 | /* Broadcom BCM2045 */ | |
418 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
419 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
420 | ||
421 | /* IBM/Lenovo ThinkPad with Broadcom chip */ | |
422 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
423 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
424 | ||
425 | /* HP laptop with Broadcom chip */ | |
426 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
427 | ||
428 | /* Dell laptop with Broadcom chip */ | |
429 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
430 | ||
431 | /* Dell Wireless 370 and 410 devices */ | |
432 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
433 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
434 | ||
435 | /* Belkin F8T012 and F8T013 devices */ | |
436 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
437 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
438 | ||
439 | /* Asus WL-BTD202 device */ | |
440 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
441 | ||
442 | /* Kensington Bluetooth USB adapter */ | |
443 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
444 | ||
445 | /* RTX Telecom based adapters with buggy SCO support */ | |
446 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
447 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
448 | ||
449 | /* CONWISE Technology based adapters with buggy SCO support */ | |
450 | { USB_DEVICE(0x0e5e, 0x6622), | |
451 | .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622}, | |
452 | ||
453 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ | |
454 | { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, | |
455 | ||
456 | /* Digianswer devices */ | |
457 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
458 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
459 | ||
460 | /* CSR BlueCore Bluetooth Sniffer */ | |
461 | { USB_DEVICE(0x0a12, 0x0002), | |
462 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
463 | ||
464 | /* Frontline ComProbe Bluetooth Sniffer */ | |
465 | { USB_DEVICE(0x16d3, 0x0002), | |
466 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
467 | ||
468 | /* Marvell Bluetooth devices */ | |
469 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
470 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
471 | { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, | |
472 | ||
473 | /* Intel Bluetooth devices */ | |
474 | { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_COMBINED }, | |
475 | { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_COMBINED }, | |
476 | { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_COMBINED }, | |
477 | { USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_COMBINED }, | |
478 | { USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_COMBINED }, | |
479 | { USB_DEVICE(0x8087, 0x0035), .driver_info = BTUSB_INTEL_COMBINED }, | |
480 | { USB_DEVICE(0x8087, 0x0036), .driver_info = BTUSB_INTEL_COMBINED }, | |
481 | { USB_DEVICE(0x8087, 0x0037), .driver_info = BTUSB_INTEL_COMBINED }, | |
482 | { USB_DEVICE(0x8087, 0x0038), .driver_info = BTUSB_INTEL_COMBINED }, | |
483 | { USB_DEVICE(0x8087, 0x0039), .driver_info = BTUSB_INTEL_COMBINED }, | |
484 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, | |
485 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL_COMBINED | | |
486 | BTUSB_INTEL_NO_WBS_SUPPORT | | |
487 | BTUSB_INTEL_BROKEN_INITIAL_NCMD | | |
488 | BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, | |
489 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL_COMBINED | | |
490 | BTUSB_INTEL_NO_WBS_SUPPORT | | |
491 | BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, | |
492 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_COMBINED }, | |
493 | { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL_COMBINED | | |
494 | BTUSB_INTEL_BROKEN_SHUTDOWN_LED }, | |
495 | { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_COMBINED }, | |
496 | ||
497 | /* Other Intel Bluetooth devices */ | |
498 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), | |
499 | .driver_info = BTUSB_IGNORE }, | |
500 | ||
501 | /* Realtek 8821CE Bluetooth devices */ | |
502 | { USB_DEVICE(0x13d3, 0x3529), .driver_info = BTUSB_REALTEK | | |
503 | BTUSB_WIDEBAND_SPEECH }, | |
504 | ||
505 | /* Realtek 8822CE Bluetooth devices */ | |
506 | { USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK | | |
507 | BTUSB_WIDEBAND_SPEECH }, | |
508 | { USB_DEVICE(0x0bda, 0xc822), .driver_info = BTUSB_REALTEK | | |
509 | BTUSB_WIDEBAND_SPEECH }, | |
510 | ||
511 | /* Realtek 8822CU Bluetooth devices */ | |
512 | { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | | |
513 | BTUSB_WIDEBAND_SPEECH }, | |
514 | ||
515 | /* Realtek 8851BE Bluetooth devices */ | |
516 | { USB_DEVICE(0x0bda, 0xb850), .driver_info = BTUSB_REALTEK }, | |
517 | { USB_DEVICE(0x13d3, 0x3600), .driver_info = BTUSB_REALTEK }, | |
518 | ||
519 | /* Realtek 8852AE Bluetooth devices */ | |
520 | { USB_DEVICE(0x0bda, 0x2852), .driver_info = BTUSB_REALTEK | | |
521 | BTUSB_WIDEBAND_SPEECH }, | |
522 | { USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK | | |
523 | BTUSB_WIDEBAND_SPEECH }, | |
524 | { USB_DEVICE(0x0bda, 0x385a), .driver_info = BTUSB_REALTEK | | |
525 | BTUSB_WIDEBAND_SPEECH }, | |
526 | { USB_DEVICE(0x0bda, 0x4852), .driver_info = BTUSB_REALTEK | | |
527 | BTUSB_WIDEBAND_SPEECH }, | |
528 | { USB_DEVICE(0x04c5, 0x165c), .driver_info = BTUSB_REALTEK | | |
529 | BTUSB_WIDEBAND_SPEECH }, | |
530 | { USB_DEVICE(0x04ca, 0x4006), .driver_info = BTUSB_REALTEK | | |
531 | BTUSB_WIDEBAND_SPEECH }, | |
532 | { USB_DEVICE(0x0cb8, 0xc549), .driver_info = BTUSB_REALTEK | | |
533 | BTUSB_WIDEBAND_SPEECH }, | |
534 | ||
535 | /* Realtek 8852CE Bluetooth devices */ | |
536 | { USB_DEVICE(0x04ca, 0x4007), .driver_info = BTUSB_REALTEK | | |
537 | BTUSB_WIDEBAND_SPEECH }, | |
538 | { USB_DEVICE(0x04c5, 0x1675), .driver_info = BTUSB_REALTEK | | |
539 | BTUSB_WIDEBAND_SPEECH }, | |
540 | { USB_DEVICE(0x0cb8, 0xc558), .driver_info = BTUSB_REALTEK | | |
541 | BTUSB_WIDEBAND_SPEECH }, | |
542 | { USB_DEVICE(0x13d3, 0x3587), .driver_info = BTUSB_REALTEK | | |
543 | BTUSB_WIDEBAND_SPEECH }, | |
544 | { USB_DEVICE(0x13d3, 0x3586), .driver_info = BTUSB_REALTEK | | |
545 | BTUSB_WIDEBAND_SPEECH }, | |
546 | { USB_DEVICE(0x13d3, 0x3592), .driver_info = BTUSB_REALTEK | | |
547 | BTUSB_WIDEBAND_SPEECH }, | |
548 | { USB_DEVICE(0x0489, 0xe122), .driver_info = BTUSB_REALTEK | | |
549 | BTUSB_WIDEBAND_SPEECH }, | |
550 | ||
551 | /* Realtek 8852BE Bluetooth devices */ | |
552 | { USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK | | |
553 | BTUSB_WIDEBAND_SPEECH }, | |
554 | { USB_DEVICE(0x0bda, 0x4853), .driver_info = BTUSB_REALTEK | | |
555 | BTUSB_WIDEBAND_SPEECH }, | |
556 | { USB_DEVICE(0x0bda, 0x887b), .driver_info = BTUSB_REALTEK | | |
557 | BTUSB_WIDEBAND_SPEECH }, | |
558 | { USB_DEVICE(0x0bda, 0xb85b), .driver_info = BTUSB_REALTEK | | |
559 | BTUSB_WIDEBAND_SPEECH }, | |
560 | { USB_DEVICE(0x13d3, 0x3570), .driver_info = BTUSB_REALTEK | | |
561 | BTUSB_WIDEBAND_SPEECH }, | |
562 | { USB_DEVICE(0x13d3, 0x3571), .driver_info = BTUSB_REALTEK | | |
563 | BTUSB_WIDEBAND_SPEECH }, | |
564 | { USB_DEVICE(0x13d3, 0x3572), .driver_info = BTUSB_REALTEK | | |
565 | BTUSB_WIDEBAND_SPEECH }, | |
566 | { USB_DEVICE(0x13d3, 0x3591), .driver_info = BTUSB_REALTEK | | |
567 | BTUSB_WIDEBAND_SPEECH }, | |
568 | { USB_DEVICE(0x0489, 0xe123), .driver_info = BTUSB_REALTEK | | |
569 | BTUSB_WIDEBAND_SPEECH }, | |
570 | { USB_DEVICE(0x0489, 0xe125), .driver_info = BTUSB_REALTEK | | |
571 | BTUSB_WIDEBAND_SPEECH }, | |
572 | ||
573 | /* Realtek 8852BT/8852BE-VT Bluetooth devices */ | |
574 | { USB_DEVICE(0x0bda, 0x8520), .driver_info = BTUSB_REALTEK | | |
575 | BTUSB_WIDEBAND_SPEECH }, | |
576 | ||
577 | /* Realtek 8922AE Bluetooth devices */ | |
578 | { USB_DEVICE(0x0bda, 0x8922), .driver_info = BTUSB_REALTEK | | |
579 | BTUSB_WIDEBAND_SPEECH }, | |
580 | { USB_DEVICE(0x13d3, 0x3617), .driver_info = BTUSB_REALTEK | | |
581 | BTUSB_WIDEBAND_SPEECH }, | |
582 | { USB_DEVICE(0x13d3, 0x3616), .driver_info = BTUSB_REALTEK | | |
583 | BTUSB_WIDEBAND_SPEECH }, | |
584 | { USB_DEVICE(0x0489, 0xe130), .driver_info = BTUSB_REALTEK | | |
585 | BTUSB_WIDEBAND_SPEECH }, | |
586 | ||
587 | /* Realtek Bluetooth devices */ | |
588 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), | |
589 | .driver_info = BTUSB_REALTEK }, | |
590 | ||
591 | /* MediaTek Bluetooth devices */ | |
592 | { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01), | |
593 | .driver_info = BTUSB_MEDIATEK | | |
594 | BTUSB_WIDEBAND_SPEECH }, | |
595 | ||
596 | /* Additional MediaTek MT7615E Bluetooth devices */ | |
597 | { USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK}, | |
598 | ||
599 | /* Additional MediaTek MT7663 Bluetooth devices */ | |
600 | { USB_DEVICE(0x043e, 0x310c), .driver_info = BTUSB_MEDIATEK | | |
601 | BTUSB_WIDEBAND_SPEECH }, | |
602 | { USB_DEVICE(0x04ca, 0x3801), .driver_info = BTUSB_MEDIATEK | | |
603 | BTUSB_WIDEBAND_SPEECH }, | |
604 | ||
605 | /* Additional MediaTek MT7668 Bluetooth devices */ | |
606 | { USB_DEVICE(0x043e, 0x3109), .driver_info = BTUSB_MEDIATEK | | |
607 | BTUSB_WIDEBAND_SPEECH }, | |
608 | ||
609 | /* Additional MediaTek MT7920 Bluetooth devices */ | |
610 | { USB_DEVICE(0x0489, 0xe134), .driver_info = BTUSB_MEDIATEK | | |
611 | BTUSB_WIDEBAND_SPEECH }, | |
612 | { USB_DEVICE(0x13d3, 0x3620), .driver_info = BTUSB_MEDIATEK | | |
613 | BTUSB_WIDEBAND_SPEECH }, | |
614 | { USB_DEVICE(0x13d3, 0x3621), .driver_info = BTUSB_MEDIATEK | | |
615 | BTUSB_WIDEBAND_SPEECH }, | |
616 | { USB_DEVICE(0x13d3, 0x3622), .driver_info = BTUSB_MEDIATEK | | |
617 | BTUSB_WIDEBAND_SPEECH }, | |
618 | ||
619 | /* Additional MediaTek MT7921 Bluetooth devices */ | |
620 | { USB_DEVICE(0x0489, 0xe0c8), .driver_info = BTUSB_MEDIATEK | | |
621 | BTUSB_WIDEBAND_SPEECH }, | |
622 | { USB_DEVICE(0x0489, 0xe0cd), .driver_info = BTUSB_MEDIATEK | | |
623 | BTUSB_WIDEBAND_SPEECH }, | |
624 | { USB_DEVICE(0x0489, 0xe0e0), .driver_info = BTUSB_MEDIATEK | | |
625 | BTUSB_WIDEBAND_SPEECH }, | |
626 | { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | | |
627 | BTUSB_WIDEBAND_SPEECH }, | |
628 | { USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK | | |
629 | BTUSB_WIDEBAND_SPEECH }, | |
630 | { USB_DEVICE(0x0e8d, 0x0608), .driver_info = BTUSB_MEDIATEK | | |
631 | BTUSB_WIDEBAND_SPEECH }, | |
632 | { USB_DEVICE(0x13d3, 0x3563), .driver_info = BTUSB_MEDIATEK | | |
633 | BTUSB_WIDEBAND_SPEECH }, | |
634 | { USB_DEVICE(0x13d3, 0x3564), .driver_info = BTUSB_MEDIATEK | | |
635 | BTUSB_WIDEBAND_SPEECH }, | |
636 | { USB_DEVICE(0x13d3, 0x3567), .driver_info = BTUSB_MEDIATEK | | |
637 | BTUSB_WIDEBAND_SPEECH }, | |
638 | { USB_DEVICE(0x13d3, 0x3576), .driver_info = BTUSB_MEDIATEK | | |
639 | BTUSB_WIDEBAND_SPEECH }, | |
640 | { USB_DEVICE(0x13d3, 0x3578), .driver_info = BTUSB_MEDIATEK | | |
641 | BTUSB_WIDEBAND_SPEECH }, | |
642 | { USB_DEVICE(0x13d3, 0x3583), .driver_info = BTUSB_MEDIATEK | | |
643 | BTUSB_WIDEBAND_SPEECH }, | |
644 | { USB_DEVICE(0x13d3, 0x3606), .driver_info = BTUSB_MEDIATEK | | |
645 | BTUSB_WIDEBAND_SPEECH }, | |
646 | ||
647 | /* MediaTek MT7922 Bluetooth devices */ | |
648 | { USB_DEVICE(0x13d3, 0x3585), .driver_info = BTUSB_MEDIATEK | | |
649 | BTUSB_WIDEBAND_SPEECH }, | |
650 | { USB_DEVICE(0x13d3, 0x3610), .driver_info = BTUSB_MEDIATEK | | |
651 | BTUSB_WIDEBAND_SPEECH }, | |
652 | ||
653 | /* MediaTek MT7922A Bluetooth devices */ | |
654 | { USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK | | |
655 | BTUSB_WIDEBAND_SPEECH }, | |
656 | { USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK | | |
657 | BTUSB_WIDEBAND_SPEECH }, | |
658 | { USB_DEVICE(0x0489, 0xe0e2), .driver_info = BTUSB_MEDIATEK | | |
659 | BTUSB_WIDEBAND_SPEECH }, | |
660 | { USB_DEVICE(0x0489, 0xe0e4), .driver_info = BTUSB_MEDIATEK | | |
661 | BTUSB_WIDEBAND_SPEECH }, | |
662 | { USB_DEVICE(0x0489, 0xe0f1), .driver_info = BTUSB_MEDIATEK | | |
663 | BTUSB_WIDEBAND_SPEECH }, | |
664 | { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK | | |
665 | BTUSB_WIDEBAND_SPEECH }, | |
666 | { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK | | |
667 | BTUSB_WIDEBAND_SPEECH }, | |
668 | { USB_DEVICE(0x0489, 0xe0f6), .driver_info = BTUSB_MEDIATEK | | |
669 | BTUSB_WIDEBAND_SPEECH }, | |
670 | { USB_DEVICE(0x0489, 0xe102), .driver_info = BTUSB_MEDIATEK | | |
671 | BTUSB_WIDEBAND_SPEECH }, | |
672 | { USB_DEVICE(0x0489, 0xe152), .driver_info = BTUSB_MEDIATEK | | |
673 | BTUSB_WIDEBAND_SPEECH }, | |
674 | { USB_DEVICE(0x0489, 0xe153), .driver_info = BTUSB_MEDIATEK | | |
675 | BTUSB_WIDEBAND_SPEECH }, | |
676 | { USB_DEVICE(0x04ca, 0x3804), .driver_info = BTUSB_MEDIATEK | | |
677 | BTUSB_WIDEBAND_SPEECH }, | |
678 | { USB_DEVICE(0x04ca, 0x38e4), .driver_info = BTUSB_MEDIATEK | | |
679 | BTUSB_WIDEBAND_SPEECH }, | |
680 | { USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK | | |
681 | BTUSB_WIDEBAND_SPEECH }, | |
682 | { USB_DEVICE(0x13d3, 0x3584), .driver_info = BTUSB_MEDIATEK | | |
683 | BTUSB_WIDEBAND_SPEECH }, | |
684 | { USB_DEVICE(0x13d3, 0x3605), .driver_info = BTUSB_MEDIATEK | | |
685 | BTUSB_WIDEBAND_SPEECH }, | |
686 | { USB_DEVICE(0x13d3, 0x3607), .driver_info = BTUSB_MEDIATEK | | |
687 | BTUSB_WIDEBAND_SPEECH }, | |
688 | { USB_DEVICE(0x13d3, 0x3614), .driver_info = BTUSB_MEDIATEK | | |
689 | BTUSB_WIDEBAND_SPEECH }, | |
690 | { USB_DEVICE(0x13d3, 0x3615), .driver_info = BTUSB_MEDIATEK | | |
691 | BTUSB_WIDEBAND_SPEECH }, | |
692 | { USB_DEVICE(0x35f5, 0x7922), .driver_info = BTUSB_MEDIATEK | | |
693 | BTUSB_WIDEBAND_SPEECH }, | |
694 | ||
695 | /* Additional MediaTek MT7925 Bluetooth devices */ | |
696 | { USB_DEVICE(0x0489, 0xe111), .driver_info = BTUSB_MEDIATEK | | |
697 | BTUSB_WIDEBAND_SPEECH }, | |
698 | { USB_DEVICE(0x0489, 0xe113), .driver_info = BTUSB_MEDIATEK | | |
699 | BTUSB_WIDEBAND_SPEECH }, | |
700 | { USB_DEVICE(0x0489, 0xe118), .driver_info = BTUSB_MEDIATEK | | |
701 | BTUSB_WIDEBAND_SPEECH }, | |
702 | { USB_DEVICE(0x0489, 0xe11e), .driver_info = BTUSB_MEDIATEK | | |
703 | BTUSB_WIDEBAND_SPEECH }, | |
704 | { USB_DEVICE(0x0489, 0xe124), .driver_info = BTUSB_MEDIATEK | | |
705 | BTUSB_WIDEBAND_SPEECH }, | |
706 | { USB_DEVICE(0x0489, 0xe139), .driver_info = BTUSB_MEDIATEK | | |
707 | BTUSB_WIDEBAND_SPEECH }, | |
708 | { USB_DEVICE(0x0489, 0xe14f), .driver_info = BTUSB_MEDIATEK | | |
709 | BTUSB_WIDEBAND_SPEECH }, | |
710 | { USB_DEVICE(0x0489, 0xe150), .driver_info = BTUSB_MEDIATEK | | |
711 | BTUSB_WIDEBAND_SPEECH }, | |
712 | { USB_DEVICE(0x0489, 0xe151), .driver_info = BTUSB_MEDIATEK | | |
713 | BTUSB_WIDEBAND_SPEECH }, | |
714 | { USB_DEVICE(0x13d3, 0x3602), .driver_info = BTUSB_MEDIATEK | | |
715 | BTUSB_WIDEBAND_SPEECH }, | |
716 | { USB_DEVICE(0x13d3, 0x3603), .driver_info = BTUSB_MEDIATEK | | |
717 | BTUSB_WIDEBAND_SPEECH }, | |
718 | { USB_DEVICE(0x13d3, 0x3604), .driver_info = BTUSB_MEDIATEK | | |
719 | BTUSB_WIDEBAND_SPEECH }, | |
720 | { USB_DEVICE(0x13d3, 0x3608), .driver_info = BTUSB_MEDIATEK | | |
721 | BTUSB_WIDEBAND_SPEECH }, | |
722 | { USB_DEVICE(0x13d3, 0x3613), .driver_info = BTUSB_MEDIATEK | | |
723 | BTUSB_WIDEBAND_SPEECH }, | |
724 | { USB_DEVICE(0x13d3, 0x3628), .driver_info = BTUSB_MEDIATEK | | |
725 | BTUSB_WIDEBAND_SPEECH }, | |
726 | { USB_DEVICE(0x13d3, 0x3630), .driver_info = BTUSB_MEDIATEK | | |
727 | BTUSB_WIDEBAND_SPEECH }, | |
728 | ||
729 | /* Additional Realtek 8723AE Bluetooth devices */ | |
730 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, | |
731 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, | |
732 | ||
733 | /* Additional Realtek 8723BE Bluetooth devices */ | |
734 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, | |
735 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, | |
736 | { USB_DEVICE(0x04f2, 0xb49f), .driver_info = BTUSB_REALTEK }, | |
737 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, | |
738 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, | |
739 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, | |
740 | { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK }, | |
741 | ||
742 | /* Additional Realtek 8723BU Bluetooth devices */ | |
743 | { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK }, | |
744 | ||
745 | /* Additional Realtek 8723DE Bluetooth devices */ | |
746 | { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK }, | |
747 | { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, | |
748 | ||
749 | /* Additional Realtek 8761BUV Bluetooth devices */ | |
750 | { USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK | | |
751 | BTUSB_WIDEBAND_SPEECH }, | |
752 | { USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK | | |
753 | BTUSB_WIDEBAND_SPEECH }, | |
754 | { USB_DEVICE(0x2550, 0x8761), .driver_info = BTUSB_REALTEK | | |
755 | BTUSB_WIDEBAND_SPEECH }, | |
756 | { USB_DEVICE(0x0bda, 0x8771), .driver_info = BTUSB_REALTEK | | |
757 | BTUSB_WIDEBAND_SPEECH }, | |
758 | { USB_DEVICE(0x6655, 0x8771), .driver_info = BTUSB_REALTEK | | |
759 | BTUSB_WIDEBAND_SPEECH }, | |
760 | { USB_DEVICE(0x7392, 0xc611), .driver_info = BTUSB_REALTEK | | |
761 | BTUSB_WIDEBAND_SPEECH }, | |
762 | { USB_DEVICE(0x2b89, 0x8761), .driver_info = BTUSB_REALTEK | | |
763 | BTUSB_WIDEBAND_SPEECH }, | |
764 | ||
765 | /* Additional Realtek 8821AE Bluetooth devices */ | |
766 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, | |
767 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, | |
768 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, | |
769 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, | |
770 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, | |
771 | ||
772 | /* Additional Realtek 8822BE Bluetooth devices */ | |
773 | { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK }, | |
774 | { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK }, | |
775 | ||
776 | /* Additional Realtek 8822CE Bluetooth devices */ | |
777 | { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK | | |
778 | BTUSB_WIDEBAND_SPEECH }, | |
779 | { USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK | | |
780 | BTUSB_WIDEBAND_SPEECH }, | |
781 | { USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK | | |
782 | BTUSB_WIDEBAND_SPEECH }, | |
783 | { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK | | |
784 | BTUSB_WIDEBAND_SPEECH }, | |
785 | { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | | |
786 | BTUSB_WIDEBAND_SPEECH }, | |
787 | { USB_DEVICE(0x13d3, 0x3553), .driver_info = BTUSB_REALTEK | | |
788 | BTUSB_WIDEBAND_SPEECH }, | |
789 | { USB_DEVICE(0x13d3, 0x3555), .driver_info = BTUSB_REALTEK | | |
790 | BTUSB_WIDEBAND_SPEECH }, | |
791 | { USB_DEVICE(0x2ff8, 0x3051), .driver_info = BTUSB_REALTEK | | |
792 | BTUSB_WIDEBAND_SPEECH }, | |
793 | { USB_DEVICE(0x1358, 0xc123), .driver_info = BTUSB_REALTEK | | |
794 | BTUSB_WIDEBAND_SPEECH }, | |
795 | { USB_DEVICE(0x0bda, 0xc123), .driver_info = BTUSB_REALTEK | | |
796 | BTUSB_WIDEBAND_SPEECH }, | |
797 | { USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK | | |
798 | BTUSB_WIDEBAND_SPEECH }, | |
799 | ||
800 | /* Actions Semiconductor ATS2851 based devices */ | |
801 | { USB_DEVICE(0x10d7, 0xb012), .driver_info = BTUSB_ACTIONS_SEMI }, | |
802 | ||
803 | /* Silicon Wave based devices */ | |
804 | { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, | |
805 | ||
806 | { } /* Terminating entry */ | |
807 | }; | |
808 | ||
809 | /* The Bluetooth USB module build into some devices needs to be reset on resume, | |
810 | * this is a problem with the platform (likely shutting off all power) not with | |
811 | * the module itself. So we use a DMI list to match known broken platforms. | |
812 | */ | |
813 | static const struct dmi_system_id btusb_needs_reset_resume_table[] = { | |
814 | { | |
815 | /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ | |
816 | .matches = { | |
817 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
818 | DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"), | |
819 | }, | |
820 | }, | |
821 | { | |
822 | /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */ | |
823 | .matches = { | |
824 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
825 | DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), | |
826 | }, | |
827 | }, | |
828 | { | |
829 | /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */ | |
830 | .matches = { | |
831 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
832 | DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"), | |
833 | }, | |
834 | }, | |
835 | {} | |
836 | }; | |
837 | ||
838 | struct qca_dump_info { | |
839 | /* fields for dump collection */ | |
840 | u16 id_vendor; | |
841 | u16 id_product; | |
842 | u32 fw_version; | |
843 | u32 controller_id; | |
844 | u32 ram_dump_size; | |
845 | u16 ram_dump_seqno; | |
846 | }; | |
847 | ||
848 | #define BTUSB_MAX_ISOC_FRAMES 10 | |
849 | ||
850 | #define BTUSB_INTR_RUNNING 0 | |
851 | #define BTUSB_BULK_RUNNING 1 | |
852 | #define BTUSB_ISOC_RUNNING 2 | |
853 | #define BTUSB_SUSPENDING 3 | |
854 | #define BTUSB_DID_ISO_RESUME 4 | |
855 | #define BTUSB_BOOTLOADER 5 | |
856 | #define BTUSB_DOWNLOADING 6 | |
857 | #define BTUSB_FIRMWARE_LOADED 7 | |
858 | #define BTUSB_FIRMWARE_FAILED 8 | |
859 | #define BTUSB_BOOTING 9 | |
860 | #define BTUSB_DIAG_RUNNING 10 | |
861 | #define BTUSB_OOB_WAKE_ENABLED 11 | |
862 | #define BTUSB_HW_RESET_ACTIVE 12 | |
863 | #define BTUSB_TX_WAIT_VND_EVT 13 | |
864 | #define BTUSB_WAKEUP_AUTOSUSPEND 14 | |
865 | #define BTUSB_USE_ALT3_FOR_WBS 15 | |
866 | #define BTUSB_ALT6_CONTINUOUS_TX 16 | |
867 | #define BTUSB_HW_SSR_ACTIVE 17 | |
868 | ||
869 | struct btusb_data { | |
870 | struct hci_dev *hdev; | |
871 | struct usb_device *udev; | |
872 | struct usb_interface *intf; | |
873 | struct usb_interface *isoc; | |
874 | struct usb_interface *diag; | |
875 | unsigned isoc_ifnum; | |
876 | ||
877 | unsigned long flags; | |
878 | ||
879 | bool poll_sync; | |
880 | int intr_interval; | |
881 | struct work_struct work; | |
882 | struct work_struct waker; | |
883 | struct delayed_work rx_work; | |
884 | ||
885 | struct sk_buff_head acl_q; | |
886 | ||
887 | struct usb_anchor deferred; | |
888 | struct usb_anchor tx_anchor; | |
889 | int tx_in_flight; | |
890 | spinlock_t txlock; | |
891 | ||
892 | struct usb_anchor intr_anchor; | |
893 | struct usb_anchor bulk_anchor; | |
894 | struct usb_anchor isoc_anchor; | |
895 | struct usb_anchor diag_anchor; | |
896 | struct usb_anchor ctrl_anchor; | |
897 | spinlock_t rxlock; | |
898 | ||
899 | struct sk_buff *evt_skb; | |
900 | struct sk_buff *acl_skb; | |
901 | struct sk_buff *sco_skb; | |
902 | ||
903 | struct usb_endpoint_descriptor *intr_ep; | |
904 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
905 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
906 | struct usb_endpoint_descriptor *isoc_tx_ep; | |
907 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
908 | struct usb_endpoint_descriptor *diag_tx_ep; | |
909 | struct usb_endpoint_descriptor *diag_rx_ep; | |
910 | ||
911 | struct gpio_desc *reset_gpio; | |
912 | ||
913 | __u8 cmdreq_type; | |
914 | __u8 cmdreq; | |
915 | ||
916 | unsigned int sco_num; | |
917 | unsigned int air_mode; | |
918 | bool usb_alt6_packet_flow; | |
919 | int isoc_altsetting; | |
920 | int suspend_count; | |
921 | ||
922 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); | |
923 | int (*recv_acl)(struct hci_dev *hdev, struct sk_buff *skb); | |
924 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); | |
925 | ||
926 | int (*setup_on_usb)(struct hci_dev *hdev); | |
927 | ||
928 | int (*suspend)(struct hci_dev *hdev); | |
929 | int (*resume)(struct hci_dev *hdev); | |
930 | int (*disconnect)(struct hci_dev *hdev); | |
931 | ||
932 | int oob_wake_irq; /* irq for out-of-band wake-on-bt */ | |
933 | ||
934 | struct qca_dump_info qca_dump; | |
935 | }; | |
936 | ||
937 | static void btusb_reset(struct hci_dev *hdev) | |
938 | { | |
939 | struct btusb_data *data; | |
940 | int err; | |
941 | ||
942 | data = hci_get_drvdata(hdev); | |
943 | /* This is not an unbalanced PM reference since the device will reset */ | |
944 | err = usb_autopm_get_interface(data->intf); | |
945 | if (err) { | |
946 | bt_dev_err(hdev, "Failed usb_autopm_get_interface: %d", err); | |
947 | return; | |
948 | } | |
949 | ||
950 | bt_dev_err(hdev, "Resetting usb device."); | |
951 | usb_queue_reset_device(data->intf); | |
952 | } | |
953 | ||
954 | static void btusb_intel_reset(struct hci_dev *hdev) | |
955 | { | |
956 | struct btusb_data *data = hci_get_drvdata(hdev); | |
957 | struct gpio_desc *reset_gpio = data->reset_gpio; | |
958 | struct btintel_data *intel_data = hci_get_priv(hdev); | |
959 | ||
960 | if (intel_data->acpi_reset_method) { | |
961 | if (test_and_set_bit(INTEL_ACPI_RESET_ACTIVE, intel_data->flags)) { | |
962 | bt_dev_err(hdev, "acpi: last reset failed ? Not resetting again"); | |
963 | return; | |
964 | } | |
965 | ||
966 | bt_dev_err(hdev, "Initiating acpi reset method"); | |
967 | /* If ACPI reset method fails, lets try with legacy GPIO | |
968 | * toggling | |
969 | */ | |
970 | if (!intel_data->acpi_reset_method(hdev)) { | |
971 | return; | |
972 | } | |
973 | } | |
974 | ||
975 | if (!reset_gpio) { | |
976 | btusb_reset(hdev); | |
977 | return; | |
978 | } | |
979 | ||
980 | /* | |
981 | * Toggle the hard reset line if the platform provides one. The reset | |
982 | * is going to yank the device off the USB and then replug. So doing | |
983 | * once is enough. The cleanup is handled correctly on the way out | |
984 | * (standard USB disconnect), and the new device is detected cleanly | |
985 | * and bound to the driver again like it should be. | |
986 | */ | |
987 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { | |
988 | bt_dev_err(hdev, "last reset failed? Not resetting again"); | |
989 | return; | |
990 | } | |
991 | ||
992 | bt_dev_err(hdev, "Initiating HW reset via gpio"); | |
993 | gpiod_set_value_cansleep(reset_gpio, 1); | |
994 | msleep(100); | |
995 | gpiod_set_value_cansleep(reset_gpio, 0); | |
996 | } | |
997 | ||
998 | #define RTK_DEVCOREDUMP_CODE_MEMDUMP 0x01 | |
999 | #define RTK_DEVCOREDUMP_CODE_HW_ERR 0x02 | |
1000 | #define RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT 0x03 | |
1001 | ||
1002 | #define RTK_SUB_EVENT_CODE_COREDUMP 0x34 | |
1003 | ||
1004 | struct rtk_dev_coredump_hdr { | |
1005 | u8 type; | |
1006 | u8 code; | |
1007 | u8 reserved[2]; | |
1008 | } __packed; | |
1009 | ||
1010 | static inline void btusb_rtl_alloc_devcoredump(struct hci_dev *hdev, | |
1011 | struct rtk_dev_coredump_hdr *hdr, u8 *buf, u32 len) | |
1012 | { | |
1013 | struct sk_buff *skb; | |
1014 | ||
1015 | skb = alloc_skb(len + sizeof(*hdr), GFP_ATOMIC); | |
1016 | if (!skb) | |
1017 | return; | |
1018 | ||
1019 | skb_put_data(skb, hdr, sizeof(*hdr)); | |
1020 | if (len) | |
1021 | skb_put_data(skb, buf, len); | |
1022 | ||
1023 | if (!hci_devcd_init(hdev, skb->len)) { | |
1024 | hci_devcd_append(hdev, skb); | |
1025 | hci_devcd_complete(hdev); | |
1026 | } else { | |
1027 | bt_dev_err(hdev, "RTL: Failed to generate devcoredump"); | |
1028 | kfree_skb(skb); | |
1029 | } | |
1030 | } | |
1031 | ||
1032 | static void btusb_rtl_reset(struct hci_dev *hdev) | |
1033 | { | |
1034 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1035 | struct gpio_desc *reset_gpio = data->reset_gpio; | |
1036 | struct rtk_dev_coredump_hdr hdr = { | |
1037 | .type = RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT, | |
1038 | }; | |
1039 | ||
1040 | btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0); | |
1041 | ||
1042 | if (!reset_gpio) { | |
1043 | btusb_reset(hdev); | |
1044 | return; | |
1045 | } | |
1046 | ||
1047 | /* Toggle the hard reset line. The Realtek device is going to | |
1048 | * yank itself off the USB and then replug. The cleanup is handled | |
1049 | * correctly on the way out (standard USB disconnect), and the new | |
1050 | * device is detected cleanly and bound to the driver again like | |
1051 | * it should be. | |
1052 | */ | |
1053 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { | |
1054 | bt_dev_err(hdev, "last reset failed? Not resetting again"); | |
1055 | return; | |
1056 | } | |
1057 | ||
1058 | bt_dev_err(hdev, "Reset Realtek device via gpio"); | |
1059 | gpiod_set_value_cansleep(reset_gpio, 1); | |
1060 | msleep(200); | |
1061 | gpiod_set_value_cansleep(reset_gpio, 0); | |
1062 | } | |
1063 | ||
1064 | static void btusb_rtl_hw_error(struct hci_dev *hdev, u8 code) | |
1065 | { | |
1066 | struct rtk_dev_coredump_hdr hdr = { | |
1067 | .type = RTK_DEVCOREDUMP_CODE_HW_ERR, | |
1068 | .code = code, | |
1069 | }; | |
1070 | ||
1071 | bt_dev_err(hdev, "RTL: hw err, trigger devcoredump (%d)", code); | |
1072 | ||
1073 | btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0); | |
1074 | } | |
1075 | ||
1076 | static void btusb_qca_reset(struct hci_dev *hdev) | |
1077 | { | |
1078 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1079 | struct gpio_desc *reset_gpio = data->reset_gpio; | |
1080 | ||
1081 | if (test_bit(BTUSB_HW_SSR_ACTIVE, &data->flags)) { | |
1082 | bt_dev_info(hdev, "Ramdump in progress, defer reset"); | |
1083 | return; | |
1084 | } | |
1085 | ||
1086 | if (reset_gpio) { | |
1087 | bt_dev_err(hdev, "Reset qca device via bt_en gpio"); | |
1088 | ||
1089 | /* Toggle the hard reset line. The qca bt device is going to | |
1090 | * yank itself off the USB and then replug. The cleanup is handled | |
1091 | * correctly on the way out (standard USB disconnect), and the new | |
1092 | * device is detected cleanly and bound to the driver again like | |
1093 | * it should be. | |
1094 | */ | |
1095 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { | |
1096 | bt_dev_err(hdev, "last reset failed? Not resetting again"); | |
1097 | return; | |
1098 | } | |
1099 | ||
1100 | gpiod_set_value_cansleep(reset_gpio, 0); | |
1101 | msleep(200); | |
1102 | gpiod_set_value_cansleep(reset_gpio, 1); | |
1103 | ||
1104 | return; | |
1105 | } | |
1106 | ||
1107 | btusb_reset(hdev); | |
1108 | } | |
1109 | ||
1110 | static inline void btusb_free_frags(struct btusb_data *data) | |
1111 | { | |
1112 | unsigned long flags; | |
1113 | ||
1114 | spin_lock_irqsave(&data->rxlock, flags); | |
1115 | ||
1116 | dev_kfree_skb_irq(data->evt_skb); | |
1117 | data->evt_skb = NULL; | |
1118 | ||
1119 | dev_kfree_skb_irq(data->acl_skb); | |
1120 | data->acl_skb = NULL; | |
1121 | ||
1122 | dev_kfree_skb_irq(data->sco_skb); | |
1123 | data->sco_skb = NULL; | |
1124 | ||
1125 | spin_unlock_irqrestore(&data->rxlock, flags); | |
1126 | } | |
1127 | ||
1128 | static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb) | |
1129 | { | |
1130 | if (data->intr_interval) { | |
1131 | /* Trigger dequeue immediately if an event is received */ | |
1132 | schedule_delayed_work(&data->rx_work, 0); | |
1133 | } | |
1134 | ||
1135 | return data->recv_event(data->hdev, skb); | |
1136 | } | |
1137 | ||
1138 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) | |
1139 | { | |
1140 | struct sk_buff *skb; | |
1141 | unsigned long flags; | |
1142 | int err = 0; | |
1143 | ||
1144 | spin_lock_irqsave(&data->rxlock, flags); | |
1145 | skb = data->evt_skb; | |
1146 | ||
1147 | while (count) { | |
1148 | int len; | |
1149 | ||
1150 | if (!skb) { | |
1151 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
1152 | if (!skb) { | |
1153 | err = -ENOMEM; | |
1154 | break; | |
1155 | } | |
1156 | ||
1157 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; | |
1158 | hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; | |
1159 | } | |
1160 | ||
1161 | len = min_t(uint, hci_skb_expect(skb), count); | |
1162 | skb_put_data(skb, buffer, len); | |
1163 | ||
1164 | count -= len; | |
1165 | buffer += len; | |
1166 | hci_skb_expect(skb) -= len; | |
1167 | ||
1168 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
1169 | /* Complete event header */ | |
1170 | hci_skb_expect(skb) = hci_event_hdr(skb)->plen; | |
1171 | ||
1172 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { | |
1173 | kfree_skb(skb); | |
1174 | skb = NULL; | |
1175 | ||
1176 | err = -EILSEQ; | |
1177 | break; | |
1178 | } | |
1179 | } | |
1180 | ||
1181 | if (!hci_skb_expect(skb)) { | |
1182 | /* Complete frame */ | |
1183 | btusb_recv_event(data, skb); | |
1184 | skb = NULL; | |
1185 | } | |
1186 | } | |
1187 | ||
1188 | data->evt_skb = skb; | |
1189 | spin_unlock_irqrestore(&data->rxlock, flags); | |
1190 | ||
1191 | return err; | |
1192 | } | |
1193 | ||
1194 | static int btusb_recv_acl(struct btusb_data *data, struct sk_buff *skb) | |
1195 | { | |
1196 | /* Only queue ACL packet if intr_interval is set as it means | |
1197 | * force_poll_sync has been enabled. | |
1198 | */ | |
1199 | if (!data->intr_interval) | |
1200 | return data->recv_acl(data->hdev, skb); | |
1201 | ||
1202 | skb_queue_tail(&data->acl_q, skb); | |
1203 | schedule_delayed_work(&data->rx_work, data->intr_interval); | |
1204 | ||
1205 | return 0; | |
1206 | } | |
1207 | ||
1208 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
1209 | { | |
1210 | struct sk_buff *skb; | |
1211 | unsigned long flags; | |
1212 | int err = 0; | |
1213 | ||
1214 | spin_lock_irqsave(&data->rxlock, flags); | |
1215 | skb = data->acl_skb; | |
1216 | ||
1217 | while (count) { | |
1218 | int len; | |
1219 | ||
1220 | if (!skb) { | |
1221 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
1222 | if (!skb) { | |
1223 | err = -ENOMEM; | |
1224 | break; | |
1225 | } | |
1226 | ||
1227 | hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; | |
1228 | hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; | |
1229 | } | |
1230 | ||
1231 | len = min_t(uint, hci_skb_expect(skb), count); | |
1232 | skb_put_data(skb, buffer, len); | |
1233 | ||
1234 | count -= len; | |
1235 | buffer += len; | |
1236 | hci_skb_expect(skb) -= len; | |
1237 | ||
1238 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
1239 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
1240 | ||
1241 | /* Complete ACL header */ | |
1242 | hci_skb_expect(skb) = __le16_to_cpu(dlen); | |
1243 | ||
1244 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { | |
1245 | kfree_skb(skb); | |
1246 | skb = NULL; | |
1247 | ||
1248 | err = -EILSEQ; | |
1249 | break; | |
1250 | } | |
1251 | } | |
1252 | ||
1253 | if (!hci_skb_expect(skb)) { | |
1254 | /* Complete frame */ | |
1255 | btusb_recv_acl(data, skb); | |
1256 | skb = NULL; | |
1257 | } | |
1258 | } | |
1259 | ||
1260 | data->acl_skb = skb; | |
1261 | spin_unlock_irqrestore(&data->rxlock, flags); | |
1262 | ||
1263 | return err; | |
1264 | } | |
1265 | ||
1266 | static bool btusb_validate_sco_handle(struct hci_dev *hdev, | |
1267 | struct hci_sco_hdr *hdr) | |
1268 | { | |
1269 | __u16 handle; | |
1270 | ||
1271 | if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL)) | |
1272 | // Can't validate, userspace controls everything. | |
1273 | return true; | |
1274 | ||
1275 | /* | |
1276 | * USB isochronous transfers are not designed to be reliable and may | |
1277 | * lose fragments. When this happens, the next first fragment | |
1278 | * encountered might actually be a continuation fragment. | |
1279 | * Validate the handle to detect it and drop it, or else the upper | |
1280 | * layer will get garbage for a while. | |
1281 | */ | |
1282 | ||
1283 | handle = hci_handle(__le16_to_cpu(hdr->handle)); | |
1284 | ||
1285 | switch (hci_conn_lookup_type(hdev, handle)) { | |
1286 | case SCO_LINK: | |
1287 | case ESCO_LINK: | |
1288 | return true; | |
1289 | default: | |
1290 | return false; | |
1291 | } | |
1292 | } | |
1293 | ||
1294 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
1295 | { | |
1296 | struct sk_buff *skb; | |
1297 | unsigned long flags; | |
1298 | int err = 0; | |
1299 | ||
1300 | spin_lock_irqsave(&data->rxlock, flags); | |
1301 | skb = data->sco_skb; | |
1302 | ||
1303 | while (count) { | |
1304 | int len; | |
1305 | ||
1306 | if (!skb) { | |
1307 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
1308 | if (!skb) { | |
1309 | err = -ENOMEM; | |
1310 | break; | |
1311 | } | |
1312 | ||
1313 | hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; | |
1314 | hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; | |
1315 | } | |
1316 | ||
1317 | len = min_t(uint, hci_skb_expect(skb), count); | |
1318 | skb_put_data(skb, buffer, len); | |
1319 | ||
1320 | count -= len; | |
1321 | buffer += len; | |
1322 | hci_skb_expect(skb) -= len; | |
1323 | ||
1324 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
1325 | /* Complete SCO header */ | |
1326 | struct hci_sco_hdr *hdr = hci_sco_hdr(skb); | |
1327 | ||
1328 | hci_skb_expect(skb) = hdr->dlen; | |
1329 | ||
1330 | if (skb_tailroom(skb) < hci_skb_expect(skb) || | |
1331 | !btusb_validate_sco_handle(data->hdev, hdr)) { | |
1332 | kfree_skb(skb); | |
1333 | skb = NULL; | |
1334 | ||
1335 | err = -EILSEQ; | |
1336 | break; | |
1337 | } | |
1338 | } | |
1339 | ||
1340 | if (!hci_skb_expect(skb)) { | |
1341 | /* Complete frame */ | |
1342 | hci_recv_frame(data->hdev, skb); | |
1343 | skb = NULL; | |
1344 | } | |
1345 | } | |
1346 | ||
1347 | data->sco_skb = skb; | |
1348 | spin_unlock_irqrestore(&data->rxlock, flags); | |
1349 | ||
1350 | return err; | |
1351 | } | |
1352 | ||
1353 | static void btusb_intr_complete(struct urb *urb) | |
1354 | { | |
1355 | struct hci_dev *hdev = urb->context; | |
1356 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1357 | int err; | |
1358 | ||
1359 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, | |
1360 | urb->actual_length); | |
1361 | ||
1362 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1363 | return; | |
1364 | ||
1365 | if (urb->status == 0) { | |
1366 | hdev->stat.byte_rx += urb->actual_length; | |
1367 | ||
1368 | if (btusb_recv_intr(data, urb->transfer_buffer, | |
1369 | urb->actual_length) < 0) { | |
1370 | bt_dev_err(hdev, "corrupted event packet"); | |
1371 | hdev->stat.err_rx++; | |
1372 | } | |
1373 | } else if (urb->status == -ENOENT) { | |
1374 | /* Avoid suspend failed when usb_kill_urb */ | |
1375 | return; | |
1376 | } | |
1377 | ||
1378 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
1379 | return; | |
1380 | ||
1381 | usb_mark_last_busy(data->udev); | |
1382 | usb_anchor_urb(urb, &data->intr_anchor); | |
1383 | ||
1384 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1385 | if (err < 0) { | |
1386 | /* -EPERM: urb is being killed; | |
1387 | * -ENODEV: device got disconnected | |
1388 | */ | |
1389 | if (err != -EPERM && err != -ENODEV) | |
1390 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", | |
1391 | urb, -err); | |
1392 | if (err != -EPERM) | |
1393 | hci_cmd_sync_cancel(hdev, -err); | |
1394 | usb_unanchor_urb(urb); | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) | |
1399 | { | |
1400 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1401 | struct urb *urb; | |
1402 | unsigned char *buf; | |
1403 | unsigned int pipe; | |
1404 | int err, size; | |
1405 | ||
1406 | BT_DBG("%s", hdev->name); | |
1407 | ||
1408 | if (!data->intr_ep) | |
1409 | return -ENODEV; | |
1410 | ||
1411 | urb = usb_alloc_urb(0, mem_flags); | |
1412 | if (!urb) | |
1413 | return -ENOMEM; | |
1414 | ||
1415 | if (le16_to_cpu(data->udev->descriptor.idVendor) == 0x0a12 && | |
1416 | le16_to_cpu(data->udev->descriptor.idProduct) == 0x0001) | |
1417 | /* Fake CSR devices don't seem to support sort-transter */ | |
1418 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
1419 | else | |
1420 | /* Use maximum HCI Event size so the USB stack handles | |
1421 | * ZPL/short-transfer automatically. | |
1422 | */ | |
1423 | size = HCI_MAX_EVENT_SIZE; | |
1424 | ||
1425 | buf = kmalloc(size, mem_flags); | |
1426 | if (!buf) { | |
1427 | usb_free_urb(urb); | |
1428 | return -ENOMEM; | |
1429 | } | |
1430 | ||
1431 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
1432 | ||
1433 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
1434 | btusb_intr_complete, hdev, data->intr_ep->bInterval); | |
1435 | ||
1436 | urb->transfer_flags |= URB_FREE_BUFFER; | |
1437 | ||
1438 | usb_anchor_urb(urb, &data->intr_anchor); | |
1439 | ||
1440 | err = usb_submit_urb(urb, mem_flags); | |
1441 | if (err < 0) { | |
1442 | if (err != -EPERM && err != -ENODEV) | |
1443 | bt_dev_err(hdev, "urb %p submission failed (%d)", | |
1444 | urb, -err); | |
1445 | if (err != -EPERM) | |
1446 | hci_cmd_sync_cancel(hdev, -err); | |
1447 | usb_unanchor_urb(urb); | |
1448 | } | |
1449 | ||
1450 | /* Only initialize intr_interval if URB poll sync is enabled */ | |
1451 | if (!data->poll_sync) | |
1452 | goto done; | |
1453 | ||
1454 | /* The units are frames (milliseconds) for full and low speed devices, | |
1455 | * and microframes (1/8 millisecond) for highspeed and SuperSpeed | |
1456 | * devices. | |
1457 | * | |
1458 | * This is done once on open/resume so it shouldn't change even if | |
1459 | * force_poll_sync changes. | |
1460 | */ | |
1461 | switch (urb->dev->speed) { | |
1462 | case USB_SPEED_SUPER_PLUS: | |
1463 | case USB_SPEED_SUPER: /* units are 125us */ | |
1464 | data->intr_interval = usecs_to_jiffies(urb->interval * 125); | |
1465 | break; | |
1466 | default: | |
1467 | data->intr_interval = msecs_to_jiffies(urb->interval); | |
1468 | break; | |
1469 | } | |
1470 | ||
1471 | done: | |
1472 | usb_free_urb(urb); | |
1473 | ||
1474 | return err; | |
1475 | } | |
1476 | ||
1477 | static void btusb_bulk_complete(struct urb *urb) | |
1478 | { | |
1479 | struct hci_dev *hdev = urb->context; | |
1480 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1481 | int err; | |
1482 | ||
1483 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, | |
1484 | urb->actual_length); | |
1485 | ||
1486 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1487 | return; | |
1488 | ||
1489 | if (urb->status == 0) { | |
1490 | hdev->stat.byte_rx += urb->actual_length; | |
1491 | ||
1492 | if (data->recv_bulk(data, urb->transfer_buffer, | |
1493 | urb->actual_length) < 0) { | |
1494 | bt_dev_err(hdev, "corrupted ACL packet"); | |
1495 | hdev->stat.err_rx++; | |
1496 | } | |
1497 | } else if (urb->status == -ENOENT) { | |
1498 | /* Avoid suspend failed when usb_kill_urb */ | |
1499 | return; | |
1500 | } | |
1501 | ||
1502 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
1503 | return; | |
1504 | ||
1505 | usb_anchor_urb(urb, &data->bulk_anchor); | |
1506 | usb_mark_last_busy(data->udev); | |
1507 | ||
1508 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1509 | if (err < 0) { | |
1510 | /* -EPERM: urb is being killed; | |
1511 | * -ENODEV: device got disconnected | |
1512 | */ | |
1513 | if (err != -EPERM && err != -ENODEV) | |
1514 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", | |
1515 | urb, -err); | |
1516 | usb_unanchor_urb(urb); | |
1517 | } | |
1518 | } | |
1519 | ||
1520 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) | |
1521 | { | |
1522 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1523 | struct urb *urb; | |
1524 | unsigned char *buf; | |
1525 | unsigned int pipe; | |
1526 | int err, size = HCI_MAX_FRAME_SIZE; | |
1527 | ||
1528 | BT_DBG("%s", hdev->name); | |
1529 | ||
1530 | if (!data->bulk_rx_ep) | |
1531 | return -ENODEV; | |
1532 | ||
1533 | urb = usb_alloc_urb(0, mem_flags); | |
1534 | if (!urb) | |
1535 | return -ENOMEM; | |
1536 | ||
1537 | buf = kmalloc(size, mem_flags); | |
1538 | if (!buf) { | |
1539 | usb_free_urb(urb); | |
1540 | return -ENOMEM; | |
1541 | } | |
1542 | ||
1543 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
1544 | ||
1545 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, | |
1546 | btusb_bulk_complete, hdev); | |
1547 | ||
1548 | urb->transfer_flags |= URB_FREE_BUFFER; | |
1549 | ||
1550 | usb_mark_last_busy(data->udev); | |
1551 | usb_anchor_urb(urb, &data->bulk_anchor); | |
1552 | ||
1553 | err = usb_submit_urb(urb, mem_flags); | |
1554 | if (err < 0) { | |
1555 | if (err != -EPERM && err != -ENODEV) | |
1556 | bt_dev_err(hdev, "urb %p submission failed (%d)", | |
1557 | urb, -err); | |
1558 | usb_unanchor_urb(urb); | |
1559 | } | |
1560 | ||
1561 | usb_free_urb(urb); | |
1562 | ||
1563 | return err; | |
1564 | } | |
1565 | ||
1566 | static void btusb_isoc_complete(struct urb *urb) | |
1567 | { | |
1568 | struct hci_dev *hdev = urb->context; | |
1569 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1570 | int i, err; | |
1571 | ||
1572 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, | |
1573 | urb->actual_length); | |
1574 | ||
1575 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1576 | return; | |
1577 | ||
1578 | if (urb->status == 0) { | |
1579 | for (i = 0; i < urb->number_of_packets; i++) { | |
1580 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
1581 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
1582 | ||
1583 | if (urb->iso_frame_desc[i].status) | |
1584 | continue; | |
1585 | ||
1586 | hdev->stat.byte_rx += length; | |
1587 | ||
1588 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, | |
1589 | length) < 0) { | |
1590 | bt_dev_err(hdev, "corrupted SCO packet"); | |
1591 | hdev->stat.err_rx++; | |
1592 | } | |
1593 | } | |
1594 | } else if (urb->status == -ENOENT) { | |
1595 | /* Avoid suspend failed when usb_kill_urb */ | |
1596 | return; | |
1597 | } | |
1598 | ||
1599 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
1600 | return; | |
1601 | ||
1602 | usb_anchor_urb(urb, &data->isoc_anchor); | |
1603 | ||
1604 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1605 | if (err < 0) { | |
1606 | /* -EPERM: urb is being killed; | |
1607 | * -ENODEV: device got disconnected | |
1608 | */ | |
1609 | if (err != -EPERM && err != -ENODEV) | |
1610 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", | |
1611 | urb, -err); | |
1612 | usb_unanchor_urb(urb); | |
1613 | } | |
1614 | } | |
1615 | ||
1616 | static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len, | |
1617 | int mtu, struct btusb_data *data) | |
1618 | { | |
1619 | int i = 0, offset = 0; | |
1620 | unsigned int interval; | |
1621 | ||
1622 | BT_DBG("len %d mtu %d", len, mtu); | |
1623 | ||
1624 | /* For mSBC ALT 6 settings some chips need to transmit the data | |
1625 | * continuously without the zero length of USB packets. | |
1626 | */ | |
1627 | if (test_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags)) | |
1628 | goto ignore_usb_alt6_packet_flow; | |
1629 | ||
1630 | /* For mSBC ALT 6 setting the host will send the packet at continuous | |
1631 | * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting | |
1632 | * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets. | |
1633 | * To maintain the rate we send 63bytes of usb packets alternatively for | |
1634 | * 7ms and 8ms to maintain the rate as 7.5ms. | |
1635 | */ | |
1636 | if (data->usb_alt6_packet_flow) { | |
1637 | interval = 7; | |
1638 | data->usb_alt6_packet_flow = false; | |
1639 | } else { | |
1640 | interval = 6; | |
1641 | data->usb_alt6_packet_flow = true; | |
1642 | } | |
1643 | ||
1644 | for (i = 0; i < interval; i++) { | |
1645 | urb->iso_frame_desc[i].offset = offset; | |
1646 | urb->iso_frame_desc[i].length = offset; | |
1647 | } | |
1648 | ||
1649 | ignore_usb_alt6_packet_flow: | |
1650 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
1651 | urb->iso_frame_desc[i].offset = offset; | |
1652 | urb->iso_frame_desc[i].length = len; | |
1653 | i++; | |
1654 | } | |
1655 | ||
1656 | urb->number_of_packets = i; | |
1657 | } | |
1658 | ||
1659 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) | |
1660 | { | |
1661 | int i, offset = 0; | |
1662 | ||
1663 | BT_DBG("len %d mtu %d", len, mtu); | |
1664 | ||
1665 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
1666 | i++, offset += mtu, len -= mtu) { | |
1667 | urb->iso_frame_desc[i].offset = offset; | |
1668 | urb->iso_frame_desc[i].length = mtu; | |
1669 | } | |
1670 | ||
1671 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
1672 | urb->iso_frame_desc[i].offset = offset; | |
1673 | urb->iso_frame_desc[i].length = len; | |
1674 | i++; | |
1675 | } | |
1676 | ||
1677 | urb->number_of_packets = i; | |
1678 | } | |
1679 | ||
1680 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) | |
1681 | { | |
1682 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1683 | struct urb *urb; | |
1684 | unsigned char *buf; | |
1685 | unsigned int pipe; | |
1686 | int err, size; | |
1687 | ||
1688 | BT_DBG("%s", hdev->name); | |
1689 | ||
1690 | if (!data->isoc_rx_ep) | |
1691 | return -ENODEV; | |
1692 | ||
1693 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); | |
1694 | if (!urb) | |
1695 | return -ENOMEM; | |
1696 | ||
1697 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
1698 | BTUSB_MAX_ISOC_FRAMES; | |
1699 | ||
1700 | buf = kmalloc(size, mem_flags); | |
1701 | if (!buf) { | |
1702 | usb_free_urb(urb); | |
1703 | return -ENOMEM; | |
1704 | } | |
1705 | ||
1706 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
1707 | ||
1708 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, | |
1709 | hdev, data->isoc_rx_ep->bInterval); | |
1710 | ||
1711 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
1712 | ||
1713 | __fill_isoc_descriptor(urb, size, | |
1714 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
1715 | ||
1716 | usb_anchor_urb(urb, &data->isoc_anchor); | |
1717 | ||
1718 | err = usb_submit_urb(urb, mem_flags); | |
1719 | if (err < 0) { | |
1720 | if (err != -EPERM && err != -ENODEV) | |
1721 | bt_dev_err(hdev, "urb %p submission failed (%d)", | |
1722 | urb, -err); | |
1723 | usb_unanchor_urb(urb); | |
1724 | } | |
1725 | ||
1726 | usb_free_urb(urb); | |
1727 | ||
1728 | return err; | |
1729 | } | |
1730 | ||
1731 | static void btusb_diag_complete(struct urb *urb) | |
1732 | { | |
1733 | struct hci_dev *hdev = urb->context; | |
1734 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1735 | int err; | |
1736 | ||
1737 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, | |
1738 | urb->actual_length); | |
1739 | ||
1740 | if (urb->status == 0) { | |
1741 | struct sk_buff *skb; | |
1742 | ||
1743 | skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC); | |
1744 | if (skb) { | |
1745 | skb_put_data(skb, urb->transfer_buffer, | |
1746 | urb->actual_length); | |
1747 | hci_recv_diag(hdev, skb); | |
1748 | } | |
1749 | } else if (urb->status == -ENOENT) { | |
1750 | /* Avoid suspend failed when usb_kill_urb */ | |
1751 | return; | |
1752 | } | |
1753 | ||
1754 | if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) | |
1755 | return; | |
1756 | ||
1757 | usb_anchor_urb(urb, &data->diag_anchor); | |
1758 | usb_mark_last_busy(data->udev); | |
1759 | ||
1760 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1761 | if (err < 0) { | |
1762 | /* -EPERM: urb is being killed; | |
1763 | * -ENODEV: device got disconnected | |
1764 | */ | |
1765 | if (err != -EPERM && err != -ENODEV) | |
1766 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", | |
1767 | urb, -err); | |
1768 | usb_unanchor_urb(urb); | |
1769 | } | |
1770 | } | |
1771 | ||
1772 | static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) | |
1773 | { | |
1774 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1775 | struct urb *urb; | |
1776 | unsigned char *buf; | |
1777 | unsigned int pipe; | |
1778 | int err, size = HCI_MAX_FRAME_SIZE; | |
1779 | ||
1780 | BT_DBG("%s", hdev->name); | |
1781 | ||
1782 | if (!data->diag_rx_ep) | |
1783 | return -ENODEV; | |
1784 | ||
1785 | urb = usb_alloc_urb(0, mem_flags); | |
1786 | if (!urb) | |
1787 | return -ENOMEM; | |
1788 | ||
1789 | buf = kmalloc(size, mem_flags); | |
1790 | if (!buf) { | |
1791 | usb_free_urb(urb); | |
1792 | return -ENOMEM; | |
1793 | } | |
1794 | ||
1795 | pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); | |
1796 | ||
1797 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, | |
1798 | btusb_diag_complete, hdev); | |
1799 | ||
1800 | urb->transfer_flags |= URB_FREE_BUFFER; | |
1801 | ||
1802 | usb_mark_last_busy(data->udev); | |
1803 | usb_anchor_urb(urb, &data->diag_anchor); | |
1804 | ||
1805 | err = usb_submit_urb(urb, mem_flags); | |
1806 | if (err < 0) { | |
1807 | if (err != -EPERM && err != -ENODEV) | |
1808 | bt_dev_err(hdev, "urb %p submission failed (%d)", | |
1809 | urb, -err); | |
1810 | usb_unanchor_urb(urb); | |
1811 | } | |
1812 | ||
1813 | usb_free_urb(urb); | |
1814 | ||
1815 | return err; | |
1816 | } | |
1817 | ||
1818 | static void btusb_tx_complete(struct urb *urb) | |
1819 | { | |
1820 | struct sk_buff *skb = urb->context; | |
1821 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; | |
1822 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1823 | unsigned long flags; | |
1824 | ||
1825 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, | |
1826 | urb->actual_length); | |
1827 | ||
1828 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1829 | goto done; | |
1830 | ||
1831 | if (!urb->status) { | |
1832 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1833 | } else { | |
1834 | if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT) | |
1835 | hci_cmd_sync_cancel(hdev, -urb->status); | |
1836 | hdev->stat.err_tx++; | |
1837 | } | |
1838 | ||
1839 | done: | |
1840 | spin_lock_irqsave(&data->txlock, flags); | |
1841 | data->tx_in_flight--; | |
1842 | spin_unlock_irqrestore(&data->txlock, flags); | |
1843 | ||
1844 | kfree(urb->setup_packet); | |
1845 | ||
1846 | kfree_skb(skb); | |
1847 | } | |
1848 | ||
1849 | static void btusb_isoc_tx_complete(struct urb *urb) | |
1850 | { | |
1851 | struct sk_buff *skb = urb->context; | |
1852 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; | |
1853 | ||
1854 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, | |
1855 | urb->actual_length); | |
1856 | ||
1857 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1858 | goto done; | |
1859 | ||
1860 | if (!urb->status) | |
1861 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1862 | else | |
1863 | hdev->stat.err_tx++; | |
1864 | ||
1865 | done: | |
1866 | kfree(urb->setup_packet); | |
1867 | ||
1868 | kfree_skb(skb); | |
1869 | } | |
1870 | ||
1871 | static int btusb_open(struct hci_dev *hdev) | |
1872 | { | |
1873 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1874 | int err; | |
1875 | ||
1876 | BT_DBG("%s", hdev->name); | |
1877 | ||
1878 | err = usb_autopm_get_interface(data->intf); | |
1879 | if (err < 0) | |
1880 | return err; | |
1881 | ||
1882 | /* Patching USB firmware files prior to starting any URBs of HCI path | |
1883 | * It is more safe to use USB bulk channel for downloading USB patch | |
1884 | */ | |
1885 | if (data->setup_on_usb) { | |
1886 | err = data->setup_on_usb(hdev); | |
1887 | if (err < 0) | |
1888 | goto setup_fail; | |
1889 | } | |
1890 | ||
1891 | data->intf->needs_remote_wakeup = 1; | |
1892 | ||
1893 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
1894 | goto done; | |
1895 | ||
1896 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); | |
1897 | if (err < 0) | |
1898 | goto failed; | |
1899 | ||
1900 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
1901 | if (err < 0) { | |
1902 | usb_kill_anchored_urbs(&data->intr_anchor); | |
1903 | goto failed; | |
1904 | } | |
1905 | ||
1906 | set_bit(BTUSB_BULK_RUNNING, &data->flags); | |
1907 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
1908 | ||
1909 | if (data->diag) { | |
1910 | if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) | |
1911 | set_bit(BTUSB_DIAG_RUNNING, &data->flags); | |
1912 | } | |
1913 | ||
1914 | done: | |
1915 | usb_autopm_put_interface(data->intf); | |
1916 | return 0; | |
1917 | ||
1918 | failed: | |
1919 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
1920 | setup_fail: | |
1921 | usb_autopm_put_interface(data->intf); | |
1922 | return err; | |
1923 | } | |
1924 | ||
1925 | static void btusb_stop_traffic(struct btusb_data *data) | |
1926 | { | |
1927 | usb_kill_anchored_urbs(&data->intr_anchor); | |
1928 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
1929 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1930 | usb_kill_anchored_urbs(&data->diag_anchor); | |
1931 | usb_kill_anchored_urbs(&data->ctrl_anchor); | |
1932 | } | |
1933 | ||
1934 | static int btusb_close(struct hci_dev *hdev) | |
1935 | { | |
1936 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1937 | int err; | |
1938 | ||
1939 | BT_DBG("%s", hdev->name); | |
1940 | ||
1941 | cancel_delayed_work(&data->rx_work); | |
1942 | cancel_work_sync(&data->work); | |
1943 | cancel_work_sync(&data->waker); | |
1944 | ||
1945 | skb_queue_purge(&data->acl_q); | |
1946 | ||
1947 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1948 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); | |
1949 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
1950 | clear_bit(BTUSB_DIAG_RUNNING, &data->flags); | |
1951 | ||
1952 | btusb_stop_traffic(data); | |
1953 | btusb_free_frags(data); | |
1954 | ||
1955 | err = usb_autopm_get_interface(data->intf); | |
1956 | if (err < 0) | |
1957 | goto failed; | |
1958 | ||
1959 | data->intf->needs_remote_wakeup = 0; | |
1960 | ||
1961 | /* Enable remote wake up for auto-suspend */ | |
1962 | if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) | |
1963 | data->intf->needs_remote_wakeup = 1; | |
1964 | ||
1965 | usb_autopm_put_interface(data->intf); | |
1966 | ||
1967 | failed: | |
1968 | usb_scuttle_anchored_urbs(&data->deferred); | |
1969 | return 0; | |
1970 | } | |
1971 | ||
1972 | static int btusb_flush(struct hci_dev *hdev) | |
1973 | { | |
1974 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1975 | ||
1976 | BT_DBG("%s", hdev->name); | |
1977 | ||
1978 | cancel_delayed_work(&data->rx_work); | |
1979 | ||
1980 | skb_queue_purge(&data->acl_q); | |
1981 | ||
1982 | usb_kill_anchored_urbs(&data->tx_anchor); | |
1983 | btusb_free_frags(data); | |
1984 | ||
1985 | return 0; | |
1986 | } | |
1987 | ||
1988 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) | |
1989 | { | |
1990 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1991 | struct usb_ctrlrequest *dr; | |
1992 | struct urb *urb; | |
1993 | unsigned int pipe; | |
1994 | ||
1995 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
1996 | if (!urb) | |
1997 | return ERR_PTR(-ENOMEM); | |
1998 | ||
1999 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); | |
2000 | if (!dr) { | |
2001 | usb_free_urb(urb); | |
2002 | return ERR_PTR(-ENOMEM); | |
2003 | } | |
2004 | ||
2005 | dr->bRequestType = data->cmdreq_type; | |
2006 | dr->bRequest = data->cmdreq; | |
2007 | dr->wIndex = 0; | |
2008 | dr->wValue = 0; | |
2009 | dr->wLength = __cpu_to_le16(skb->len); | |
2010 | ||
2011 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
2012 | ||
2013 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, | |
2014 | skb->data, skb->len, btusb_tx_complete, skb); | |
2015 | ||
2016 | skb->dev = (void *)hdev; | |
2017 | ||
2018 | return urb; | |
2019 | } | |
2020 | ||
2021 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) | |
2022 | { | |
2023 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2024 | struct urb *urb; | |
2025 | unsigned int pipe; | |
2026 | ||
2027 | if (!data->bulk_tx_ep) | |
2028 | return ERR_PTR(-ENODEV); | |
2029 | ||
2030 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
2031 | if (!urb) | |
2032 | return ERR_PTR(-ENOMEM); | |
2033 | ||
2034 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); | |
2035 | ||
2036 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
2037 | skb->data, skb->len, btusb_tx_complete, skb); | |
2038 | ||
2039 | skb->dev = (void *)hdev; | |
2040 | ||
2041 | return urb; | |
2042 | } | |
2043 | ||
2044 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) | |
2045 | { | |
2046 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2047 | struct urb *urb; | |
2048 | unsigned int pipe; | |
2049 | ||
2050 | if (!data->isoc_tx_ep) | |
2051 | return ERR_PTR(-ENODEV); | |
2052 | ||
2053 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); | |
2054 | if (!urb) | |
2055 | return ERR_PTR(-ENOMEM); | |
2056 | ||
2057 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); | |
2058 | ||
2059 | usb_fill_int_urb(urb, data->udev, pipe, | |
2060 | skb->data, skb->len, btusb_isoc_tx_complete, | |
2061 | skb, data->isoc_tx_ep->bInterval); | |
2062 | ||
2063 | urb->transfer_flags = URB_ISO_ASAP; | |
2064 | ||
2065 | if (data->isoc_altsetting == 6) | |
2066 | __fill_isoc_descriptor_msbc(urb, skb->len, | |
2067 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize), | |
2068 | data); | |
2069 | else | |
2070 | __fill_isoc_descriptor(urb, skb->len, | |
2071 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
2072 | skb->dev = (void *)hdev; | |
2073 | ||
2074 | return urb; | |
2075 | } | |
2076 | ||
2077 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
2078 | { | |
2079 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2080 | int err; | |
2081 | ||
2082 | usb_anchor_urb(urb, &data->tx_anchor); | |
2083 | ||
2084 | err = usb_submit_urb(urb, GFP_KERNEL); | |
2085 | if (err < 0) { | |
2086 | if (err != -EPERM && err != -ENODEV) | |
2087 | bt_dev_err(hdev, "urb %p submission failed (%d)", | |
2088 | urb, -err); | |
2089 | kfree(urb->setup_packet); | |
2090 | usb_unanchor_urb(urb); | |
2091 | } else { | |
2092 | usb_mark_last_busy(data->udev); | |
2093 | } | |
2094 | ||
2095 | usb_free_urb(urb); | |
2096 | return err; | |
2097 | } | |
2098 | ||
2099 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
2100 | { | |
2101 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2102 | unsigned long flags; | |
2103 | bool suspending; | |
2104 | ||
2105 | spin_lock_irqsave(&data->txlock, flags); | |
2106 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
2107 | if (!suspending) | |
2108 | data->tx_in_flight++; | |
2109 | spin_unlock_irqrestore(&data->txlock, flags); | |
2110 | ||
2111 | if (!suspending) | |
2112 | return submit_tx_urb(hdev, urb); | |
2113 | ||
2114 | usb_anchor_urb(urb, &data->deferred); | |
2115 | schedule_work(&data->waker); | |
2116 | ||
2117 | usb_free_urb(urb); | |
2118 | return 0; | |
2119 | } | |
2120 | ||
2121 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
2122 | { | |
2123 | struct urb *urb; | |
2124 | ||
2125 | BT_DBG("%s", hdev->name); | |
2126 | ||
2127 | switch (hci_skb_pkt_type(skb)) { | |
2128 | case HCI_COMMAND_PKT: | |
2129 | urb = alloc_ctrl_urb(hdev, skb); | |
2130 | if (IS_ERR(urb)) | |
2131 | return PTR_ERR(urb); | |
2132 | ||
2133 | hdev->stat.cmd_tx++; | |
2134 | return submit_or_queue_tx_urb(hdev, urb); | |
2135 | ||
2136 | case HCI_ACLDATA_PKT: | |
2137 | urb = alloc_bulk_urb(hdev, skb); | |
2138 | if (IS_ERR(urb)) | |
2139 | return PTR_ERR(urb); | |
2140 | ||
2141 | hdev->stat.acl_tx++; | |
2142 | return submit_or_queue_tx_urb(hdev, urb); | |
2143 | ||
2144 | case HCI_SCODATA_PKT: | |
2145 | if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) && | |
2146 | hci_conn_num(hdev, SCO_LINK) < 1) | |
2147 | return -ENODEV; | |
2148 | ||
2149 | urb = alloc_isoc_urb(hdev, skb); | |
2150 | if (IS_ERR(urb)) | |
2151 | return PTR_ERR(urb); | |
2152 | ||
2153 | hdev->stat.sco_tx++; | |
2154 | return submit_tx_urb(hdev, urb); | |
2155 | ||
2156 | case HCI_ISODATA_PKT: | |
2157 | urb = alloc_bulk_urb(hdev, skb); | |
2158 | if (IS_ERR(urb)) | |
2159 | return PTR_ERR(urb); | |
2160 | ||
2161 | return submit_or_queue_tx_urb(hdev, urb); | |
2162 | } | |
2163 | ||
2164 | return -EILSEQ; | |
2165 | } | |
2166 | ||
2167 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) | |
2168 | { | |
2169 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2170 | ||
2171 | BT_DBG("%s evt %d", hdev->name, evt); | |
2172 | ||
2173 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { | |
2174 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
2175 | data->air_mode = evt; | |
2176 | schedule_work(&data->work); | |
2177 | } | |
2178 | } | |
2179 | ||
2180 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) | |
2181 | { | |
2182 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2183 | struct usb_interface *intf = data->isoc; | |
2184 | struct usb_endpoint_descriptor *ep_desc; | |
2185 | int i, err; | |
2186 | ||
2187 | if (!data->isoc) | |
2188 | return -ENODEV; | |
2189 | ||
2190 | err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting); | |
2191 | if (err < 0) { | |
2192 | bt_dev_err(hdev, "setting interface failed (%d)", -err); | |
2193 | return err; | |
2194 | } | |
2195 | ||
2196 | data->isoc_altsetting = altsetting; | |
2197 | ||
2198 | data->isoc_tx_ep = NULL; | |
2199 | data->isoc_rx_ep = NULL; | |
2200 | ||
2201 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2202 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2203 | ||
2204 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
2205 | data->isoc_tx_ep = ep_desc; | |
2206 | continue; | |
2207 | } | |
2208 | ||
2209 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
2210 | data->isoc_rx_ep = ep_desc; | |
2211 | continue; | |
2212 | } | |
2213 | } | |
2214 | ||
2215 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
2216 | bt_dev_err(hdev, "invalid SCO descriptors"); | |
2217 | return -ENODEV; | |
2218 | } | |
2219 | ||
2220 | return 0; | |
2221 | } | |
2222 | ||
2223 | static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts) | |
2224 | { | |
2225 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2226 | int err; | |
2227 | ||
2228 | if (data->isoc_altsetting != new_alts) { | |
2229 | unsigned long flags; | |
2230 | ||
2231 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
2232 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
2233 | ||
2234 | /* When isochronous alternate setting needs to be | |
2235 | * changed, because SCO connection has been added | |
2236 | * or removed, a packet fragment may be left in the | |
2237 | * reassembling state. This could lead to wrongly | |
2238 | * assembled fragments. | |
2239 | * | |
2240 | * Clear outstanding fragment when selecting a new | |
2241 | * alternate setting. | |
2242 | */ | |
2243 | spin_lock_irqsave(&data->rxlock, flags); | |
2244 | dev_kfree_skb_irq(data->sco_skb); | |
2245 | data->sco_skb = NULL; | |
2246 | spin_unlock_irqrestore(&data->rxlock, flags); | |
2247 | ||
2248 | err = __set_isoc_interface(hdev, new_alts); | |
2249 | if (err < 0) | |
2250 | return err; | |
2251 | } | |
2252 | ||
2253 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2254 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) | |
2255 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
2256 | else | |
2257 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); | |
2258 | } | |
2259 | ||
2260 | return 0; | |
2261 | } | |
2262 | ||
2263 | static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data, | |
2264 | int alt) | |
2265 | { | |
2266 | struct usb_interface *intf = data->isoc; | |
2267 | int i; | |
2268 | ||
2269 | BT_DBG("Looking for Alt no :%d", alt); | |
2270 | ||
2271 | if (!intf) | |
2272 | return NULL; | |
2273 | ||
2274 | for (i = 0; i < intf->num_altsetting; i++) { | |
2275 | if (intf->altsetting[i].desc.bAlternateSetting == alt) | |
2276 | return &intf->altsetting[i]; | |
2277 | } | |
2278 | ||
2279 | return NULL; | |
2280 | } | |
2281 | ||
2282 | static void btusb_work(struct work_struct *work) | |
2283 | { | |
2284 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
2285 | struct hci_dev *hdev = data->hdev; | |
2286 | int new_alts = 0; | |
2287 | int err; | |
2288 | ||
2289 | if (data->sco_num > 0) { | |
2290 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { | |
2291 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); | |
2292 | if (err < 0) { | |
2293 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
2294 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
2295 | return; | |
2296 | } | |
2297 | ||
2298 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); | |
2299 | } | |
2300 | ||
2301 | if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) { | |
2302 | if (hdev->voice_setting & 0x0020) { | |
2303 | static const int alts[3] = { 2, 4, 5 }; | |
2304 | ||
2305 | new_alts = alts[data->sco_num - 1]; | |
2306 | } else { | |
2307 | new_alts = data->sco_num; | |
2308 | } | |
2309 | } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) { | |
2310 | /* Bluetooth USB spec recommends alt 6 (63 bytes), but | |
2311 | * many adapters do not support it. Alt 1 appears to | |
2312 | * work for all adapters that do not have alt 6, and | |
2313 | * which work with WBS at all. Some devices prefer | |
2314 | * alt 3 (HCI payload >= 60 Bytes let air packet | |
2315 | * data satisfy 60 bytes), requiring | |
2316 | * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72 | |
2317 | * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1. | |
2318 | */ | |
2319 | if (btusb_find_altsetting(data, 6)) | |
2320 | new_alts = 6; | |
2321 | else if (btusb_find_altsetting(data, 3) && | |
2322 | hdev->sco_mtu >= 72 && | |
2323 | test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags)) | |
2324 | new_alts = 3; | |
2325 | else | |
2326 | new_alts = 1; | |
2327 | } | |
2328 | ||
2329 | if (btusb_switch_alt_setting(hdev, new_alts) < 0) | |
2330 | bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts); | |
2331 | } else { | |
2332 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
2333 | ||
2334 | if (test_and_clear_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
2335 | __set_isoc_interface(hdev, 0); | |
2336 | ||
2337 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) | |
2338 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); | |
2339 | } | |
2340 | } | |
2341 | ||
2342 | static void btusb_waker(struct work_struct *work) | |
2343 | { | |
2344 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
2345 | int err; | |
2346 | ||
2347 | err = usb_autopm_get_interface(data->intf); | |
2348 | if (err < 0) | |
2349 | return; | |
2350 | ||
2351 | usb_autopm_put_interface(data->intf); | |
2352 | } | |
2353 | ||
2354 | static void btusb_rx_work(struct work_struct *work) | |
2355 | { | |
2356 | struct btusb_data *data = container_of(work, struct btusb_data, | |
2357 | rx_work.work); | |
2358 | struct sk_buff *skb; | |
2359 | ||
2360 | /* Dequeue ACL data received during the interval */ | |
2361 | while ((skb = skb_dequeue(&data->acl_q))) | |
2362 | data->recv_acl(data->hdev, skb); | |
2363 | } | |
2364 | ||
2365 | static int btusb_setup_bcm92035(struct hci_dev *hdev) | |
2366 | { | |
2367 | struct sk_buff *skb; | |
2368 | u8 val = 0x00; | |
2369 | ||
2370 | BT_DBG("%s", hdev->name); | |
2371 | ||
2372 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
2373 | if (IS_ERR(skb)) | |
2374 | bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb)); | |
2375 | else | |
2376 | kfree_skb(skb); | |
2377 | ||
2378 | return 0; | |
2379 | } | |
2380 | ||
2381 | static int btusb_setup_csr(struct hci_dev *hdev) | |
2382 | { | |
2383 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2384 | u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice); | |
2385 | struct hci_rp_read_local_version *rp; | |
2386 | struct sk_buff *skb; | |
2387 | bool is_fake = false; | |
2388 | int ret; | |
2389 | ||
2390 | BT_DBG("%s", hdev->name); | |
2391 | ||
2392 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
2393 | HCI_INIT_TIMEOUT); | |
2394 | if (IS_ERR(skb)) { | |
2395 | int err = PTR_ERR(skb); | |
2396 | bt_dev_err(hdev, "CSR: Local version failed (%d)", err); | |
2397 | return err; | |
2398 | } | |
2399 | ||
2400 | rp = skb_pull_data(skb, sizeof(*rp)); | |
2401 | if (!rp) { | |
2402 | bt_dev_err(hdev, "CSR: Local version length mismatch"); | |
2403 | kfree_skb(skb); | |
2404 | return -EIO; | |
2405 | } | |
2406 | ||
2407 | bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x", | |
2408 | rp->hci_ver, le16_to_cpu(rp->hci_rev)); | |
2409 | ||
2410 | bt_dev_info(hdev, "LMP ver=%u subver=%04x; manufacturer=%u", | |
2411 | rp->lmp_ver, le16_to_cpu(rp->lmp_subver), | |
2412 | le16_to_cpu(rp->manufacturer)); | |
2413 | ||
2414 | /* Detect a wide host of Chinese controllers that aren't CSR. | |
2415 | * | |
2416 | * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891 | |
2417 | * | |
2418 | * The main thing they have in common is that these are really popular low-cost | |
2419 | * options that support newer Bluetooth versions but rely on heavy VID/PID | |
2420 | * squatting of this poor old Bluetooth 1.1 device. Even sold as such. | |
2421 | * | |
2422 | * We detect actual CSR devices by checking that the HCI manufacturer code | |
2423 | * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and | |
2424 | * HCI rev values always match. As they both store the firmware number. | |
2425 | */ | |
2426 | if (le16_to_cpu(rp->manufacturer) != 10 || | |
2427 | le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver)) | |
2428 | is_fake = true; | |
2429 | ||
2430 | /* Known legit CSR firmware build numbers and their supported BT versions: | |
2431 | * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e | |
2432 | * - 1.2 (0x2) -> 0x04d9, 0x0529 | |
2433 | * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c | |
2434 | * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External) | |
2435 | * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb | |
2436 | * | |
2437 | * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that | |
2438 | * support BT 1.1 only; so it's a dead giveaway when some | |
2439 | * third-party BT 4.0 dongle reuses it. | |
2440 | */ | |
2441 | else if (le16_to_cpu(rp->lmp_subver) <= 0x034e && | |
2442 | rp->hci_ver > BLUETOOTH_VER_1_1) | |
2443 | is_fake = true; | |
2444 | ||
2445 | else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 && | |
2446 | rp->hci_ver > BLUETOOTH_VER_1_2) | |
2447 | is_fake = true; | |
2448 | ||
2449 | else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c && | |
2450 | rp->hci_ver > BLUETOOTH_VER_2_0) | |
2451 | is_fake = true; | |
2452 | ||
2453 | else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 && | |
2454 | rp->hci_ver > BLUETOOTH_VER_2_1) | |
2455 | is_fake = true; | |
2456 | ||
2457 | else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb && | |
2458 | rp->hci_ver > BLUETOOTH_VER_4_0) | |
2459 | is_fake = true; | |
2460 | ||
2461 | /* Other clones which beat all the above checks */ | |
2462 | else if (bcdDevice == 0x0134 && | |
2463 | le16_to_cpu(rp->lmp_subver) == 0x0c5c && | |
2464 | rp->hci_ver == BLUETOOTH_VER_2_0) | |
2465 | is_fake = true; | |
2466 | ||
2467 | if (is_fake) { | |
2468 | bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once..."); | |
2469 | ||
2470 | /* Generally these clones have big discrepancies between | |
2471 | * advertised features and what's actually supported. | |
2472 | * Probably will need to be expanded in the future; | |
2473 | * without these the controller will lock up. | |
2474 | */ | |
2475 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
2476 | set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); | |
2477 | set_bit(HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL, &hdev->quirks); | |
2478 | set_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks); | |
2479 | set_bit(HCI_QUIRK_BROKEN_READ_VOICE_SETTING, &hdev->quirks); | |
2480 | set_bit(HCI_QUIRK_BROKEN_READ_PAGE_SCAN_TYPE, &hdev->quirks); | |
2481 | ||
2482 | /* Clear the reset quirk since this is not an actual | |
2483 | * early Bluetooth 1.1 device from CSR. | |
2484 | */ | |
2485 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
2486 | clear_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
2487 | ||
2488 | /* | |
2489 | * Special workaround for these BT 4.0 chip clones, and potentially more: | |
2490 | * | |
2491 | * - 0x0134: a Barrot 8041a02 (HCI rev: 0x0810 sub: 0x1012) | |
2492 | * - 0x7558: IC markings FR3191AHAL 749H15143 (HCI rev/sub-version: 0x0709) | |
2493 | * | |
2494 | * These controllers are really messed-up. | |
2495 | * | |
2496 | * 1. Their bulk RX endpoint will never report any data unless | |
2497 | * the device was suspended at least once (yes, really). | |
2498 | * 2. They will not wakeup when autosuspended and receiving data | |
2499 | * on their bulk RX endpoint from e.g. a keyboard or mouse | |
2500 | * (IOW remote-wakeup support is broken for the bulk endpoint). | |
2501 | * | |
2502 | * To fix 1. enable runtime-suspend, force-suspend the | |
2503 | * HCI and then wake-it up by disabling runtime-suspend. | |
2504 | * | |
2505 | * To fix 2. clear the HCI's can_wake flag, this way the HCI | |
2506 | * will still be autosuspended when it is not open. | |
2507 | * | |
2508 | * -- | |
2509 | * | |
2510 | * Because these are widespread problems we prefer generic solutions; so | |
2511 | * apply this initialization quirk to every controller that gets here, | |
2512 | * it should be harmless. The alternative is to not work at all. | |
2513 | */ | |
2514 | pm_runtime_allow(&data->udev->dev); | |
2515 | ||
2516 | ret = pm_runtime_suspend(&data->udev->dev); | |
2517 | if (ret >= 0) | |
2518 | msleep(200); | |
2519 | else | |
2520 | bt_dev_warn(hdev, "CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround"); | |
2521 | ||
2522 | pm_runtime_forbid(&data->udev->dev); | |
2523 | ||
2524 | device_set_wakeup_capable(&data->udev->dev, false); | |
2525 | ||
2526 | /* Re-enable autosuspend if this was requested */ | |
2527 | if (enable_autosuspend) | |
2528 | usb_enable_autosuspend(data->udev); | |
2529 | } | |
2530 | ||
2531 | kfree_skb(skb); | |
2532 | ||
2533 | return 0; | |
2534 | } | |
2535 | ||
2536 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) | |
2537 | { | |
2538 | struct sk_buff *skb; | |
2539 | struct hci_event_hdr *hdr; | |
2540 | struct hci_ev_cmd_complete *evt; | |
2541 | ||
2542 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); | |
2543 | if (!skb) | |
2544 | return -ENOMEM; | |
2545 | ||
2546 | hdr = skb_put(skb, sizeof(*hdr)); | |
2547 | hdr->evt = HCI_EV_CMD_COMPLETE; | |
2548 | hdr->plen = sizeof(*evt) + 1; | |
2549 | ||
2550 | evt = skb_put(skb, sizeof(*evt)); | |
2551 | evt->ncmd = 0x01; | |
2552 | evt->opcode = cpu_to_le16(opcode); | |
2553 | ||
2554 | skb_put_u8(skb, 0x00); | |
2555 | ||
2556 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; | |
2557 | ||
2558 | return hci_recv_frame(hdev, skb); | |
2559 | } | |
2560 | ||
2561 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
2562 | int count) | |
2563 | { | |
2564 | struct hci_dev *hdev = data->hdev; | |
2565 | ||
2566 | /* When the device is in bootloader mode, then it can send | |
2567 | * events via the bulk endpoint. These events are treated the | |
2568 | * same way as the ones received from the interrupt endpoint. | |
2569 | */ | |
2570 | if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) | |
2571 | return btusb_recv_intr(data, buffer, count); | |
2572 | ||
2573 | return btusb_recv_bulk(data, buffer, count); | |
2574 | } | |
2575 | ||
2576 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
2577 | { | |
2578 | struct urb *urb; | |
2579 | ||
2580 | BT_DBG("%s", hdev->name); | |
2581 | ||
2582 | switch (hci_skb_pkt_type(skb)) { | |
2583 | case HCI_COMMAND_PKT: | |
2584 | if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) { | |
2585 | struct hci_command_hdr *cmd = (void *)skb->data; | |
2586 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
2587 | ||
2588 | /* When in bootloader mode and the command 0xfc09 | |
2589 | * is received, it needs to be send down the | |
2590 | * bulk endpoint. So allocate a bulk URB instead. | |
2591 | */ | |
2592 | if (opcode == 0xfc09) | |
2593 | urb = alloc_bulk_urb(hdev, skb); | |
2594 | else | |
2595 | urb = alloc_ctrl_urb(hdev, skb); | |
2596 | ||
2597 | /* When the 0xfc01 command is issued to boot into | |
2598 | * the operational firmware, it will actually not | |
2599 | * send a command complete event. To keep the flow | |
2600 | * control working inject that event here. | |
2601 | */ | |
2602 | if (opcode == 0xfc01) | |
2603 | inject_cmd_complete(hdev, opcode); | |
2604 | } else { | |
2605 | urb = alloc_ctrl_urb(hdev, skb); | |
2606 | } | |
2607 | if (IS_ERR(urb)) | |
2608 | return PTR_ERR(urb); | |
2609 | ||
2610 | hdev->stat.cmd_tx++; | |
2611 | return submit_or_queue_tx_urb(hdev, urb); | |
2612 | ||
2613 | case HCI_ACLDATA_PKT: | |
2614 | urb = alloc_bulk_urb(hdev, skb); | |
2615 | if (IS_ERR(urb)) | |
2616 | return PTR_ERR(urb); | |
2617 | ||
2618 | hdev->stat.acl_tx++; | |
2619 | return submit_or_queue_tx_urb(hdev, urb); | |
2620 | ||
2621 | case HCI_SCODATA_PKT: | |
2622 | if (!hci_dev_test_flag(hdev, HCI_USER_CHANNEL) && | |
2623 | hci_conn_num(hdev, SCO_LINK) < 1) | |
2624 | return -ENODEV; | |
2625 | ||
2626 | urb = alloc_isoc_urb(hdev, skb); | |
2627 | if (IS_ERR(urb)) | |
2628 | return PTR_ERR(urb); | |
2629 | ||
2630 | hdev->stat.sco_tx++; | |
2631 | return submit_tx_urb(hdev, urb); | |
2632 | ||
2633 | case HCI_ISODATA_PKT: | |
2634 | urb = alloc_bulk_urb(hdev, skb); | |
2635 | if (IS_ERR(urb)) | |
2636 | return PTR_ERR(urb); | |
2637 | ||
2638 | return submit_or_queue_tx_urb(hdev, urb); | |
2639 | } | |
2640 | ||
2641 | return -EILSEQ; | |
2642 | } | |
2643 | ||
2644 | static int btusb_setup_realtek(struct hci_dev *hdev) | |
2645 | { | |
2646 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2647 | int ret; | |
2648 | ||
2649 | ret = btrtl_setup_realtek(hdev); | |
2650 | ||
2651 | if (btrealtek_test_flag(data->hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP)) | |
2652 | set_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags); | |
2653 | ||
2654 | return ret; | |
2655 | } | |
2656 | ||
2657 | static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb) | |
2658 | { | |
2659 | if (skb->data[0] == HCI_VENDOR_PKT && skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) { | |
2660 | struct rtk_dev_coredump_hdr hdr = { | |
2661 | .code = RTK_DEVCOREDUMP_CODE_MEMDUMP, | |
2662 | }; | |
2663 | ||
2664 | bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u", | |
2665 | skb->len); | |
2666 | ||
2667 | btusb_rtl_alloc_devcoredump(hdev, &hdr, skb->data, skb->len); | |
2668 | kfree_skb(skb); | |
2669 | ||
2670 | return 0; | |
2671 | } | |
2672 | ||
2673 | return hci_recv_frame(hdev, skb); | |
2674 | } | |
2675 | ||
2676 | static void btusb_mtk_claim_iso_intf(struct btusb_data *data) | |
2677 | { | |
2678 | struct btmtk_data *btmtk_data = hci_get_priv(data->hdev); | |
2679 | int err; | |
2680 | ||
2681 | /* | |
2682 | * The function usb_driver_claim_interface() is documented to need | |
2683 | * locks held if it's not called from a probe routine. The code here | |
2684 | * is called from the hci_power_on workqueue, so grab the lock. | |
2685 | */ | |
2686 | device_lock(&btmtk_data->isopkt_intf->dev); | |
2687 | err = usb_driver_claim_interface(&btusb_driver, | |
2688 | btmtk_data->isopkt_intf, data); | |
2689 | device_unlock(&btmtk_data->isopkt_intf->dev); | |
2690 | if (err < 0) { | |
2691 | btmtk_data->isopkt_intf = NULL; | |
2692 | bt_dev_err(data->hdev, "Failed to claim iso interface: %d", err); | |
2693 | return; | |
2694 | } | |
2695 | ||
2696 | set_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); | |
2697 | init_usb_anchor(&btmtk_data->isopkt_anchor); | |
2698 | } | |
2699 | ||
2700 | static void btusb_mtk_release_iso_intf(struct hci_dev *hdev) | |
2701 | { | |
2702 | struct btmtk_data *btmtk_data = hci_get_priv(hdev); | |
2703 | ||
2704 | if (test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { | |
2705 | usb_kill_anchored_urbs(&btmtk_data->isopkt_anchor); | |
2706 | clear_bit(BTMTK_ISOPKT_RUNNING, &btmtk_data->flags); | |
2707 | ||
2708 | dev_kfree_skb_irq(btmtk_data->isopkt_skb); | |
2709 | btmtk_data->isopkt_skb = NULL; | |
2710 | usb_set_intfdata(btmtk_data->isopkt_intf, NULL); | |
2711 | usb_driver_release_interface(&btusb_driver, | |
2712 | btmtk_data->isopkt_intf); | |
2713 | } | |
2714 | ||
2715 | clear_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags); | |
2716 | } | |
2717 | ||
2718 | static int btusb_mtk_disconnect(struct hci_dev *hdev) | |
2719 | { | |
2720 | /* This function describes the specific additional steps taken by MediaTek | |
2721 | * when Bluetooth usb driver's resume function is called. | |
2722 | */ | |
2723 | btusb_mtk_release_iso_intf(hdev); | |
2724 | ||
2725 | return 0; | |
2726 | } | |
2727 | ||
2728 | static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data) | |
2729 | { | |
2730 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2731 | struct btmtk_data *btmtk_data = hci_get_priv(hdev); | |
2732 | int err; | |
2733 | ||
2734 | /* It's MediaTek specific bluetooth reset mechanism via USB */ | |
2735 | if (test_and_set_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags)) { | |
2736 | bt_dev_err(hdev, "last reset failed? Not resetting again"); | |
2737 | return -EBUSY; | |
2738 | } | |
2739 | ||
2740 | err = usb_autopm_get_interface(data->intf); | |
2741 | if (err < 0) | |
2742 | return err; | |
2743 | ||
2744 | /* Release MediaTek ISO data interface */ | |
2745 | btusb_mtk_release_iso_intf(hdev); | |
2746 | ||
2747 | btusb_stop_traffic(data); | |
2748 | usb_kill_anchored_urbs(&data->tx_anchor); | |
2749 | ||
2750 | err = btmtk_usb_subsys_reset(hdev, btmtk_data->dev_id); | |
2751 | ||
2752 | usb_queue_reset_device(data->intf); | |
2753 | clear_bit(BTMTK_HW_RESET_ACTIVE, &btmtk_data->flags); | |
2754 | ||
2755 | return err; | |
2756 | } | |
2757 | ||
2758 | static int btusb_send_frame_mtk(struct hci_dev *hdev, struct sk_buff *skb) | |
2759 | { | |
2760 | struct urb *urb; | |
2761 | ||
2762 | BT_DBG("%s", hdev->name); | |
2763 | ||
2764 | if (hci_skb_pkt_type(skb) == HCI_ISODATA_PKT) { | |
2765 | urb = alloc_mtk_intr_urb(hdev, skb, btusb_tx_complete); | |
2766 | if (IS_ERR(urb)) | |
2767 | return PTR_ERR(urb); | |
2768 | ||
2769 | return submit_or_queue_tx_urb(hdev, urb); | |
2770 | } else { | |
2771 | return btusb_send_frame(hdev, skb); | |
2772 | } | |
2773 | } | |
2774 | ||
2775 | static int btusb_mtk_setup(struct hci_dev *hdev) | |
2776 | { | |
2777 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2778 | struct btmtk_data *btmtk_data = hci_get_priv(hdev); | |
2779 | ||
2780 | /* MediaTek WMT vendor cmd requiring below USB resources to | |
2781 | * complete the handshake. | |
2782 | */ | |
2783 | btmtk_data->drv_name = btusb_driver.name; | |
2784 | btmtk_data->intf = data->intf; | |
2785 | btmtk_data->udev = data->udev; | |
2786 | btmtk_data->ctrl_anchor = &data->ctrl_anchor; | |
2787 | btmtk_data->reset_sync = btusb_mtk_reset; | |
2788 | ||
2789 | /* Claim ISO data interface and endpoint */ | |
2790 | if (!test_bit(BTMTK_ISOPKT_OVER_INTR, &btmtk_data->flags)) { | |
2791 | btmtk_data->isopkt_intf = usb_ifnum_to_if(data->udev, MTK_ISO_IFNUM); | |
2792 | btusb_mtk_claim_iso_intf(data); | |
2793 | } | |
2794 | ||
2795 | return btmtk_usb_setup(hdev); | |
2796 | } | |
2797 | ||
2798 | static int btusb_mtk_shutdown(struct hci_dev *hdev) | |
2799 | { | |
2800 | int ret; | |
2801 | ||
2802 | ret = btmtk_usb_shutdown(hdev); | |
2803 | ||
2804 | /* Release MediaTek iso interface after shutdown */ | |
2805 | btusb_mtk_release_iso_intf(hdev); | |
2806 | ||
2807 | return ret; | |
2808 | } | |
2809 | ||
2810 | #ifdef CONFIG_PM | |
2811 | /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ | |
2812 | static int marvell_config_oob_wake(struct hci_dev *hdev) | |
2813 | { | |
2814 | struct sk_buff *skb; | |
2815 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2816 | struct device *dev = &data->udev->dev; | |
2817 | u16 pin, gap, opcode; | |
2818 | int ret; | |
2819 | u8 cmd[5]; | |
2820 | ||
2821 | /* Move on if no wakeup pin specified */ | |
2822 | if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) || | |
2823 | of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap)) | |
2824 | return 0; | |
2825 | ||
2826 | /* Vendor specific command to configure a GPIO as wake-up pin */ | |
2827 | opcode = hci_opcode_pack(0x3F, 0x59); | |
2828 | cmd[0] = opcode & 0xFF; | |
2829 | cmd[1] = opcode >> 8; | |
2830 | cmd[2] = 2; /* length of parameters that follow */ | |
2831 | cmd[3] = pin; | |
2832 | cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ | |
2833 | ||
2834 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
2835 | if (!skb) { | |
2836 | bt_dev_err(hdev, "%s: No memory", __func__); | |
2837 | return -ENOMEM; | |
2838 | } | |
2839 | ||
2840 | skb_put_data(skb, cmd, sizeof(cmd)); | |
2841 | hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; | |
2842 | ||
2843 | ret = btusb_send_frame(hdev, skb); | |
2844 | if (ret) { | |
2845 | bt_dev_err(hdev, "%s: configuration failed", __func__); | |
2846 | kfree_skb(skb); | |
2847 | return ret; | |
2848 | } | |
2849 | ||
2850 | return 0; | |
2851 | } | |
2852 | #endif | |
2853 | ||
2854 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, | |
2855 | const bdaddr_t *bdaddr) | |
2856 | { | |
2857 | struct sk_buff *skb; | |
2858 | u8 buf[8]; | |
2859 | long ret; | |
2860 | ||
2861 | buf[0] = 0xfe; | |
2862 | buf[1] = sizeof(bdaddr_t); | |
2863 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
2864 | ||
2865 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2866 | if (IS_ERR(skb)) { | |
2867 | ret = PTR_ERR(skb); | |
2868 | bt_dev_err(hdev, "changing Marvell device address failed (%ld)", | |
2869 | ret); | |
2870 | return ret; | |
2871 | } | |
2872 | kfree_skb(skb); | |
2873 | ||
2874 | return 0; | |
2875 | } | |
2876 | ||
2877 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, | |
2878 | const bdaddr_t *bdaddr) | |
2879 | { | |
2880 | struct sk_buff *skb; | |
2881 | u8 buf[10]; | |
2882 | long ret; | |
2883 | ||
2884 | buf[0] = 0x01; | |
2885 | buf[1] = 0x01; | |
2886 | buf[2] = 0x00; | |
2887 | buf[3] = sizeof(bdaddr_t); | |
2888 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
2889 | ||
2890 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2891 | if (IS_ERR(skb)) { | |
2892 | ret = PTR_ERR(skb); | |
2893 | bt_dev_err(hdev, "Change address command failed (%ld)", ret); | |
2894 | return ret; | |
2895 | } | |
2896 | kfree_skb(skb); | |
2897 | ||
2898 | return 0; | |
2899 | } | |
2900 | ||
2901 | static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, | |
2902 | const bdaddr_t *bdaddr) | |
2903 | { | |
2904 | struct sk_buff *skb; | |
2905 | u8 buf[6]; | |
2906 | long ret; | |
2907 | ||
2908 | memcpy(buf, bdaddr, sizeof(bdaddr_t)); | |
2909 | ||
2910 | skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf, | |
2911 | HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); | |
2912 | if (IS_ERR(skb)) { | |
2913 | ret = PTR_ERR(skb); | |
2914 | bt_dev_err(hdev, "Change address command failed (%ld)", ret); | |
2915 | return ret; | |
2916 | } | |
2917 | kfree_skb(skb); | |
2918 | ||
2919 | return 0; | |
2920 | } | |
2921 | ||
2922 | #define QCA_MEMDUMP_ACL_HANDLE 0x2EDD | |
2923 | #define QCA_MEMDUMP_SIZE_MAX 0x100000 | |
2924 | #define QCA_MEMDUMP_VSE_CLASS 0x01 | |
2925 | #define QCA_MEMDUMP_MSG_TYPE 0x08 | |
2926 | #define QCA_MEMDUMP_PKT_SIZE 248 | |
2927 | #define QCA_LAST_SEQUENCE_NUM 0xffff | |
2928 | ||
2929 | struct qca_dump_hdr { | |
2930 | u8 vse_class; | |
2931 | u8 msg_type; | |
2932 | __le16 seqno; | |
2933 | u8 reserved; | |
2934 | union { | |
2935 | u8 data[0]; | |
2936 | struct { | |
2937 | __le32 ram_dump_size; | |
2938 | u8 data0[0]; | |
2939 | } __packed; | |
2940 | }; | |
2941 | } __packed; | |
2942 | ||
2943 | ||
2944 | static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb) | |
2945 | { | |
2946 | char buf[128]; | |
2947 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2948 | ||
2949 | snprintf(buf, sizeof(buf), "Controller Name: 0x%x\n", | |
2950 | btdata->qca_dump.controller_id); | |
2951 | skb_put_data(skb, buf, strlen(buf)); | |
2952 | ||
2953 | snprintf(buf, sizeof(buf), "Firmware Version: 0x%x\n", | |
2954 | btdata->qca_dump.fw_version); | |
2955 | skb_put_data(skb, buf, strlen(buf)); | |
2956 | ||
2957 | snprintf(buf, sizeof(buf), "Driver: %s\nVendor: qca\n", | |
2958 | btusb_driver.name); | |
2959 | skb_put_data(skb, buf, strlen(buf)); | |
2960 | ||
2961 | snprintf(buf, sizeof(buf), "VID: 0x%x\nPID:0x%x\n", | |
2962 | btdata->qca_dump.id_vendor, btdata->qca_dump.id_product); | |
2963 | skb_put_data(skb, buf, strlen(buf)); | |
2964 | ||
2965 | snprintf(buf, sizeof(buf), "Lmp Subversion: 0x%x\n", | |
2966 | hdev->lmp_subver); | |
2967 | skb_put_data(skb, buf, strlen(buf)); | |
2968 | } | |
2969 | ||
2970 | static void btusb_coredump_qca(struct hci_dev *hdev) | |
2971 | { | |
2972 | int err; | |
2973 | static const u8 param[] = { 0x26 }; | |
2974 | ||
2975 | err = __hci_cmd_send(hdev, 0xfc0c, 1, param); | |
2976 | if (err < 0) | |
2977 | bt_dev_err(hdev, "%s: triggle crash failed (%d)", __func__, err); | |
2978 | } | |
2979 | ||
2980 | /* Return: 0 on success, negative errno on failure. */ | |
2981 | static int handle_dump_pkt_qca(struct hci_dev *hdev, struct sk_buff *skb) | |
2982 | { | |
2983 | int ret = 0; | |
2984 | unsigned int skip = 0; | |
2985 | u8 pkt_type; | |
2986 | u16 seqno; | |
2987 | u32 dump_size; | |
2988 | ||
2989 | struct qca_dump_hdr *dump_hdr; | |
2990 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2991 | struct usb_device *udev = btdata->udev; | |
2992 | ||
2993 | pkt_type = hci_skb_pkt_type(skb); | |
2994 | skip = sizeof(struct hci_event_hdr); | |
2995 | if (pkt_type == HCI_ACLDATA_PKT) | |
2996 | skip += sizeof(struct hci_acl_hdr); | |
2997 | ||
2998 | skb_pull(skb, skip); | |
2999 | dump_hdr = (struct qca_dump_hdr *)skb->data; | |
3000 | ||
3001 | seqno = le16_to_cpu(dump_hdr->seqno); | |
3002 | if (seqno == 0) { | |
3003 | set_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); | |
3004 | dump_size = le32_to_cpu(dump_hdr->ram_dump_size); | |
3005 | if (!dump_size || (dump_size > QCA_MEMDUMP_SIZE_MAX)) { | |
3006 | ret = -EILSEQ; | |
3007 | bt_dev_err(hdev, "Invalid memdump size(%u)", | |
3008 | dump_size); | |
3009 | goto out; | |
3010 | } | |
3011 | ||
3012 | ret = hci_devcd_init(hdev, dump_size); | |
3013 | if (ret < 0) { | |
3014 | bt_dev_err(hdev, "memdump init error(%d)", ret); | |
3015 | goto out; | |
3016 | } | |
3017 | ||
3018 | btdata->qca_dump.ram_dump_size = dump_size; | |
3019 | btdata->qca_dump.ram_dump_seqno = 0; | |
3020 | ||
3021 | skb_pull(skb, offsetof(struct qca_dump_hdr, data0)); | |
3022 | ||
3023 | usb_disable_autosuspend(udev); | |
3024 | bt_dev_info(hdev, "%s memdump size(%u)\n", | |
3025 | (pkt_type == HCI_ACLDATA_PKT) ? "ACL" : "event", | |
3026 | dump_size); | |
3027 | } else { | |
3028 | skb_pull(skb, offsetof(struct qca_dump_hdr, data)); | |
3029 | } | |
3030 | ||
3031 | if (!btdata->qca_dump.ram_dump_size) { | |
3032 | ret = -EINVAL; | |
3033 | bt_dev_err(hdev, "memdump is not active"); | |
3034 | goto out; | |
3035 | } | |
3036 | ||
3037 | if ((seqno > btdata->qca_dump.ram_dump_seqno + 1) && (seqno != QCA_LAST_SEQUENCE_NUM)) { | |
3038 | dump_size = QCA_MEMDUMP_PKT_SIZE * (seqno - btdata->qca_dump.ram_dump_seqno - 1); | |
3039 | hci_devcd_append_pattern(hdev, 0x0, dump_size); | |
3040 | bt_dev_err(hdev, | |
3041 | "expected memdump seqno(%u) is not received(%u)\n", | |
3042 | btdata->qca_dump.ram_dump_seqno, seqno); | |
3043 | btdata->qca_dump.ram_dump_seqno = seqno; | |
3044 | kfree_skb(skb); | |
3045 | return ret; | |
3046 | } | |
3047 | ||
3048 | hci_devcd_append(hdev, skb); | |
3049 | btdata->qca_dump.ram_dump_seqno++; | |
3050 | if (seqno == QCA_LAST_SEQUENCE_NUM) { | |
3051 | bt_dev_info(hdev, | |
3052 | "memdump done: pkts(%u), total(%u)\n", | |
3053 | btdata->qca_dump.ram_dump_seqno, btdata->qca_dump.ram_dump_size); | |
3054 | ||
3055 | hci_devcd_complete(hdev); | |
3056 | goto out; | |
3057 | } | |
3058 | return ret; | |
3059 | ||
3060 | out: | |
3061 | if (btdata->qca_dump.ram_dump_size) | |
3062 | usb_enable_autosuspend(udev); | |
3063 | btdata->qca_dump.ram_dump_size = 0; | |
3064 | btdata->qca_dump.ram_dump_seqno = 0; | |
3065 | clear_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags); | |
3066 | ||
3067 | if (ret < 0) | |
3068 | kfree_skb(skb); | |
3069 | return ret; | |
3070 | } | |
3071 | ||
3072 | /* Return: true if the ACL packet is a dump packet, false otherwise. */ | |
3073 | static bool acl_pkt_is_dump_qca(struct hci_dev *hdev, struct sk_buff *skb) | |
3074 | { | |
3075 | struct hci_event_hdr *event_hdr; | |
3076 | struct hci_acl_hdr *acl_hdr; | |
3077 | struct qca_dump_hdr *dump_hdr; | |
3078 | struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC); | |
3079 | bool is_dump = false; | |
3080 | ||
3081 | if (!clone) | |
3082 | return false; | |
3083 | ||
3084 | acl_hdr = skb_pull_data(clone, sizeof(*acl_hdr)); | |
3085 | if (!acl_hdr || (le16_to_cpu(acl_hdr->handle) != QCA_MEMDUMP_ACL_HANDLE)) | |
3086 | goto out; | |
3087 | ||
3088 | event_hdr = skb_pull_data(clone, sizeof(*event_hdr)); | |
3089 | if (!event_hdr || (event_hdr->evt != HCI_VENDOR_PKT)) | |
3090 | goto out; | |
3091 | ||
3092 | dump_hdr = skb_pull_data(clone, sizeof(*dump_hdr)); | |
3093 | if (!dump_hdr || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS) || | |
3094 | (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE)) | |
3095 | goto out; | |
3096 | ||
3097 | is_dump = true; | |
3098 | out: | |
3099 | consume_skb(clone); | |
3100 | return is_dump; | |
3101 | } | |
3102 | ||
3103 | /* Return: true if the event packet is a dump packet, false otherwise. */ | |
3104 | static bool evt_pkt_is_dump_qca(struct hci_dev *hdev, struct sk_buff *skb) | |
3105 | { | |
3106 | struct hci_event_hdr *event_hdr; | |
3107 | struct qca_dump_hdr *dump_hdr; | |
3108 | struct sk_buff *clone = skb_clone(skb, GFP_ATOMIC); | |
3109 | bool is_dump = false; | |
3110 | ||
3111 | if (!clone) | |
3112 | return false; | |
3113 | ||
3114 | event_hdr = skb_pull_data(clone, sizeof(*event_hdr)); | |
3115 | if (!event_hdr || (event_hdr->evt != HCI_VENDOR_PKT)) | |
3116 | goto out; | |
3117 | ||
3118 | dump_hdr = skb_pull_data(clone, sizeof(*dump_hdr)); | |
3119 | if (!dump_hdr || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS) || | |
3120 | (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE)) | |
3121 | goto out; | |
3122 | ||
3123 | is_dump = true; | |
3124 | out: | |
3125 | consume_skb(clone); | |
3126 | return is_dump; | |
3127 | } | |
3128 | ||
3129 | static int btusb_recv_acl_qca(struct hci_dev *hdev, struct sk_buff *skb) | |
3130 | { | |
3131 | if (acl_pkt_is_dump_qca(hdev, skb)) | |
3132 | return handle_dump_pkt_qca(hdev, skb); | |
3133 | return hci_recv_frame(hdev, skb); | |
3134 | } | |
3135 | ||
3136 | static int btusb_recv_evt_qca(struct hci_dev *hdev, struct sk_buff *skb) | |
3137 | { | |
3138 | if (evt_pkt_is_dump_qca(hdev, skb)) | |
3139 | return handle_dump_pkt_qca(hdev, skb); | |
3140 | return hci_recv_frame(hdev, skb); | |
3141 | } | |
3142 | ||
3143 | ||
3144 | #define QCA_DFU_PACKET_LEN 4096 | |
3145 | ||
3146 | #define QCA_GET_TARGET_VERSION 0x09 | |
3147 | #define QCA_CHECK_STATUS 0x05 | |
3148 | #define QCA_DFU_DOWNLOAD 0x01 | |
3149 | ||
3150 | #define QCA_SYSCFG_UPDATED 0x40 | |
3151 | #define QCA_PATCH_UPDATED 0x80 | |
3152 | #define QCA_DFU_TIMEOUT 3000 | |
3153 | #define QCA_FLAG_MULTI_NVM 0x80 | |
3154 | #define QCA_BT_RESET_WAIT_MS 100 | |
3155 | ||
3156 | #define WCN6855_2_0_RAM_VERSION_GF 0x400c1200 | |
3157 | #define WCN6855_2_1_RAM_VERSION_GF 0x400c1211 | |
3158 | ||
3159 | struct qca_version { | |
3160 | __le32 rom_version; | |
3161 | __le32 patch_version; | |
3162 | __le32 ram_version; | |
3163 | __u8 chip_id; | |
3164 | __u8 platform_id; | |
3165 | __le16 flag; | |
3166 | __u8 reserved[4]; | |
3167 | } __packed; | |
3168 | ||
3169 | struct qca_rampatch_version { | |
3170 | __le16 rom_version_high; | |
3171 | __le16 rom_version_low; | |
3172 | __le16 patch_version; | |
3173 | } __packed; | |
3174 | ||
3175 | struct qca_device_info { | |
3176 | u32 rom_version; | |
3177 | u8 rampatch_hdr; /* length of header in rampatch */ | |
3178 | u8 nvm_hdr; /* length of header in NVM */ | |
3179 | u8 ver_offset; /* offset of version structure in rampatch */ | |
3180 | }; | |
3181 | ||
3182 | static const struct qca_device_info qca_devices_table[] = { | |
3183 | { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ | |
3184 | { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ | |
3185 | { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ | |
3186 | { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ | |
3187 | { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ | |
3188 | { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ | |
3189 | { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ | |
3190 | { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */ | |
3191 | { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */ | |
3192 | { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */ | |
3193 | }; | |
3194 | ||
3195 | static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, | |
3196 | void *data, u16 size) | |
3197 | { | |
3198 | int pipe, err; | |
3199 | u8 *buf; | |
3200 | ||
3201 | buf = kmalloc(size, GFP_KERNEL); | |
3202 | if (!buf) | |
3203 | return -ENOMEM; | |
3204 | ||
3205 | /* Found some of USB hosts have IOT issues with ours so that we should | |
3206 | * not wait until HCI layer is ready. | |
3207 | */ | |
3208 | pipe = usb_rcvctrlpipe(udev, 0); | |
3209 | err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, | |
3210 | 0, 0, buf, size, USB_CTRL_GET_TIMEOUT); | |
3211 | if (err < 0) { | |
3212 | dev_err(&udev->dev, "Failed to access otp area (%d)", err); | |
3213 | goto done; | |
3214 | } | |
3215 | ||
3216 | memcpy(data, buf, size); | |
3217 | ||
3218 | done: | |
3219 | kfree(buf); | |
3220 | ||
3221 | return err; | |
3222 | } | |
3223 | ||
3224 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, | |
3225 | const struct firmware *firmware, | |
3226 | size_t hdr_size) | |
3227 | { | |
3228 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
3229 | struct usb_device *udev = btdata->udev; | |
3230 | size_t count, size, sent = 0; | |
3231 | int pipe, len, err; | |
3232 | u8 *buf; | |
3233 | ||
3234 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); | |
3235 | if (!buf) | |
3236 | return -ENOMEM; | |
3237 | ||
3238 | count = firmware->size; | |
3239 | ||
3240 | size = min_t(size_t, count, hdr_size); | |
3241 | memcpy(buf, firmware->data, size); | |
3242 | ||
3243 | /* USB patches should go down to controller through USB path | |
3244 | * because binary format fits to go down through USB channel. | |
3245 | * USB control path is for patching headers and USB bulk is for | |
3246 | * patch body. | |
3247 | */ | |
3248 | pipe = usb_sndctrlpipe(udev, 0); | |
3249 | err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, | |
3250 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
3251 | if (err < 0) { | |
3252 | bt_dev_err(hdev, "Failed to send headers (%d)", err); | |
3253 | goto done; | |
3254 | } | |
3255 | ||
3256 | sent += size; | |
3257 | count -= size; | |
3258 | ||
3259 | /* ep2 need time to switch from function acl to function dfu, | |
3260 | * so we add 20ms delay here. | |
3261 | */ | |
3262 | msleep(20); | |
3263 | ||
3264 | while (count) { | |
3265 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); | |
3266 | ||
3267 | memcpy(buf, firmware->data + sent, size); | |
3268 | ||
3269 | pipe = usb_sndbulkpipe(udev, 0x02); | |
3270 | err = usb_bulk_msg(udev, pipe, buf, size, &len, | |
3271 | QCA_DFU_TIMEOUT); | |
3272 | if (err < 0) { | |
3273 | bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)", | |
3274 | sent, firmware->size, err); | |
3275 | break; | |
3276 | } | |
3277 | ||
3278 | if (size != len) { | |
3279 | bt_dev_err(hdev, "Failed to get bulk buffer"); | |
3280 | err = -EILSEQ; | |
3281 | break; | |
3282 | } | |
3283 | ||
3284 | sent += size; | |
3285 | count -= size; | |
3286 | } | |
3287 | ||
3288 | done: | |
3289 | kfree(buf); | |
3290 | return err; | |
3291 | } | |
3292 | ||
3293 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, | |
3294 | struct qca_version *ver, | |
3295 | const struct qca_device_info *info) | |
3296 | { | |
3297 | struct qca_rampatch_version *rver; | |
3298 | const struct firmware *fw; | |
3299 | u32 ver_rom, ver_patch, rver_rom; | |
3300 | u16 rver_rom_low, rver_rom_high, rver_patch; | |
3301 | char fwname[64]; | |
3302 | int err; | |
3303 | ||
3304 | ver_rom = le32_to_cpu(ver->rom_version); | |
3305 | ver_patch = le32_to_cpu(ver->patch_version); | |
3306 | ||
3307 | snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); | |
3308 | ||
3309 | err = request_firmware(&fw, fwname, &hdev->dev); | |
3310 | if (err) { | |
3311 | bt_dev_err(hdev, "failed to request rampatch file: %s (%d)", | |
3312 | fwname, err); | |
3313 | return err; | |
3314 | } | |
3315 | ||
3316 | bt_dev_info(hdev, "using rampatch file: %s", fwname); | |
3317 | ||
3318 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); | |
3319 | rver_rom_low = le16_to_cpu(rver->rom_version_low); | |
3320 | rver_patch = le16_to_cpu(rver->patch_version); | |
3321 | ||
3322 | if (ver_rom & ~0xffffU) { | |
3323 | rver_rom_high = le16_to_cpu(rver->rom_version_high); | |
3324 | rver_rom = rver_rom_high << 16 | rver_rom_low; | |
3325 | } else { | |
3326 | rver_rom = rver_rom_low; | |
3327 | } | |
3328 | ||
3329 | bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " | |
3330 | "firmware rome 0x%x build 0x%x", | |
3331 | rver_rom, rver_patch, ver_rom, ver_patch); | |
3332 | ||
3333 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { | |
3334 | bt_dev_err(hdev, "rampatch file version did not match with firmware"); | |
3335 | err = -EINVAL; | |
3336 | goto done; | |
3337 | } | |
3338 | ||
3339 | err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); | |
3340 | ||
3341 | done: | |
3342 | release_firmware(fw); | |
3343 | ||
3344 | return err; | |
3345 | } | |
3346 | ||
3347 | static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size, | |
3348 | const struct qca_version *ver) | |
3349 | { | |
3350 | u32 rom_version = le32_to_cpu(ver->rom_version); | |
3351 | u16 flag = le16_to_cpu(ver->flag); | |
3352 | ||
3353 | if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { | |
3354 | /* The board_id should be split into two bytes | |
3355 | * The 1st byte is chip ID, and the 2nd byte is platform ID | |
3356 | * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID | |
3357 | * we have several platforms, and platform IDs are continuously added | |
3358 | * Platform ID: | |
3359 | * 0x00 is for Mobile | |
3360 | * 0x01 is for X86 | |
3361 | * 0x02 is for Automotive | |
3362 | * 0x03 is for Consumer electronic | |
3363 | */ | |
3364 | u16 board_id = (ver->chip_id << 8) + ver->platform_id; | |
3365 | const char *variant; | |
3366 | ||
3367 | switch (le32_to_cpu(ver->ram_version)) { | |
3368 | case WCN6855_2_0_RAM_VERSION_GF: | |
3369 | case WCN6855_2_1_RAM_VERSION_GF: | |
3370 | variant = "_gf"; | |
3371 | break; | |
3372 | default: | |
3373 | variant = ""; | |
3374 | break; | |
3375 | } | |
3376 | ||
3377 | if (board_id == 0) { | |
3378 | snprintf(fwname, max_size, "qca/nvm_usb_%08x%s.bin", | |
3379 | rom_version, variant); | |
3380 | } else { | |
3381 | snprintf(fwname, max_size, "qca/nvm_usb_%08x%s_%04x.bin", | |
3382 | rom_version, variant, board_id); | |
3383 | } | |
3384 | } else { | |
3385 | snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin", | |
3386 | rom_version); | |
3387 | } | |
3388 | ||
3389 | } | |
3390 | ||
3391 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, | |
3392 | struct qca_version *ver, | |
3393 | const struct qca_device_info *info) | |
3394 | { | |
3395 | const struct firmware *fw; | |
3396 | char fwname[64]; | |
3397 | int err; | |
3398 | ||
3399 | btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver); | |
3400 | ||
3401 | err = request_firmware(&fw, fwname, &hdev->dev); | |
3402 | if (err) { | |
3403 | bt_dev_err(hdev, "failed to request NVM file: %s (%d)", | |
3404 | fwname, err); | |
3405 | return err; | |
3406 | } | |
3407 | ||
3408 | bt_dev_info(hdev, "using NVM file: %s", fwname); | |
3409 | ||
3410 | err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); | |
3411 | ||
3412 | release_firmware(fw); | |
3413 | ||
3414 | return err; | |
3415 | } | |
3416 | ||
3417 | /* identify the ROM version and check whether patches are needed */ | |
3418 | static bool btusb_qca_need_patch(struct usb_device *udev) | |
3419 | { | |
3420 | struct qca_version ver; | |
3421 | ||
3422 | if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, | |
3423 | sizeof(ver)) < 0) | |
3424 | return false; | |
3425 | /* only low ROM versions need patches */ | |
3426 | return !(le32_to_cpu(ver.rom_version) & ~0xffffU); | |
3427 | } | |
3428 | ||
3429 | static int btusb_setup_qca(struct hci_dev *hdev) | |
3430 | { | |
3431 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
3432 | struct usb_device *udev = btdata->udev; | |
3433 | const struct qca_device_info *info = NULL; | |
3434 | struct qca_version ver; | |
3435 | u32 ver_rom; | |
3436 | u8 status; | |
3437 | int i, err; | |
3438 | ||
3439 | err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, | |
3440 | sizeof(ver)); | |
3441 | if (err < 0) | |
3442 | return err; | |
3443 | ||
3444 | ver_rom = le32_to_cpu(ver.rom_version); | |
3445 | ||
3446 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { | |
3447 | if (ver_rom == qca_devices_table[i].rom_version) | |
3448 | info = &qca_devices_table[i]; | |
3449 | } | |
3450 | if (!info) { | |
3451 | /* If the rom_version is not matched in the qca_devices_table | |
3452 | * and the high ROM version is not zero, we assume this chip no | |
3453 | * need to load the rampatch and nvm. | |
3454 | */ | |
3455 | if (ver_rom & ~0xffffU) | |
3456 | return 0; | |
3457 | ||
3458 | bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom); | |
3459 | return -ENODEV; | |
3460 | } | |
3461 | ||
3462 | err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status, | |
3463 | sizeof(status)); | |
3464 | if (err < 0) | |
3465 | return err; | |
3466 | ||
3467 | if (!(status & QCA_PATCH_UPDATED)) { | |
3468 | err = btusb_setup_qca_load_rampatch(hdev, &ver, info); | |
3469 | if (err < 0) | |
3470 | return err; | |
3471 | } | |
3472 | ||
3473 | err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, | |
3474 | sizeof(ver)); | |
3475 | if (err < 0) | |
3476 | return err; | |
3477 | ||
3478 | btdata->qca_dump.fw_version = le32_to_cpu(ver.patch_version); | |
3479 | btdata->qca_dump.controller_id = le32_to_cpu(ver.rom_version); | |
3480 | ||
3481 | if (!(status & QCA_SYSCFG_UPDATED)) { | |
3482 | err = btusb_setup_qca_load_nvm(hdev, &ver, info); | |
3483 | if (err < 0) | |
3484 | return err; | |
3485 | ||
3486 | /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so | |
3487 | * wait ~100ms for reset Done then go ahead, otherwise, it maybe | |
3488 | * cause potential enable failure. | |
3489 | */ | |
3490 | if (info->rom_version >= 0x00130201) | |
3491 | msleep(QCA_BT_RESET_WAIT_MS); | |
3492 | } | |
3493 | ||
3494 | /* Mark HCI_OP_ENHANCED_SETUP_SYNC_CONN as broken as it doesn't seem to | |
3495 | * work with the likes of HSP/HFP mSBC. | |
3496 | */ | |
3497 | set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks); | |
3498 | ||
3499 | return 0; | |
3500 | } | |
3501 | ||
3502 | static inline int __set_diag_interface(struct hci_dev *hdev) | |
3503 | { | |
3504 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3505 | struct usb_interface *intf = data->diag; | |
3506 | int i; | |
3507 | ||
3508 | if (!data->diag) | |
3509 | return -ENODEV; | |
3510 | ||
3511 | data->diag_tx_ep = NULL; | |
3512 | data->diag_rx_ep = NULL; | |
3513 | ||
3514 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
3515 | struct usb_endpoint_descriptor *ep_desc; | |
3516 | ||
3517 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
3518 | ||
3519 | if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
3520 | data->diag_tx_ep = ep_desc; | |
3521 | continue; | |
3522 | } | |
3523 | ||
3524 | if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
3525 | data->diag_rx_ep = ep_desc; | |
3526 | continue; | |
3527 | } | |
3528 | } | |
3529 | ||
3530 | if (!data->diag_tx_ep || !data->diag_rx_ep) { | |
3531 | bt_dev_err(hdev, "invalid diagnostic descriptors"); | |
3532 | return -ENODEV; | |
3533 | } | |
3534 | ||
3535 | return 0; | |
3536 | } | |
3537 | ||
3538 | static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) | |
3539 | { | |
3540 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3541 | struct sk_buff *skb; | |
3542 | struct urb *urb; | |
3543 | unsigned int pipe; | |
3544 | ||
3545 | if (!data->diag_tx_ep) | |
3546 | return ERR_PTR(-ENODEV); | |
3547 | ||
3548 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
3549 | if (!urb) | |
3550 | return ERR_PTR(-ENOMEM); | |
3551 | ||
3552 | skb = bt_skb_alloc(2, GFP_KERNEL); | |
3553 | if (!skb) { | |
3554 | usb_free_urb(urb); | |
3555 | return ERR_PTR(-ENOMEM); | |
3556 | } | |
3557 | ||
3558 | skb_put_u8(skb, 0xf0); | |
3559 | skb_put_u8(skb, enable); | |
3560 | ||
3561 | pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); | |
3562 | ||
3563 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
3564 | skb->data, skb->len, btusb_tx_complete, skb); | |
3565 | ||
3566 | skb->dev = (void *)hdev; | |
3567 | ||
3568 | return urb; | |
3569 | } | |
3570 | ||
3571 | static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) | |
3572 | { | |
3573 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3574 | struct urb *urb; | |
3575 | ||
3576 | if (!data->diag) | |
3577 | return -ENODEV; | |
3578 | ||
3579 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
3580 | return -ENETDOWN; | |
3581 | ||
3582 | urb = alloc_diag_urb(hdev, enable); | |
3583 | if (IS_ERR(urb)) | |
3584 | return PTR_ERR(urb); | |
3585 | ||
3586 | return submit_or_queue_tx_urb(hdev, urb); | |
3587 | } | |
3588 | ||
3589 | #ifdef CONFIG_PM | |
3590 | static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) | |
3591 | { | |
3592 | struct btusb_data *data = priv; | |
3593 | ||
3594 | pm_wakeup_event(&data->udev->dev, 0); | |
3595 | pm_system_wakeup(); | |
3596 | ||
3597 | /* Disable only if not already disabled (keep it balanced) */ | |
3598 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
3599 | disable_irq_nosync(irq); | |
3600 | disable_irq_wake(irq); | |
3601 | } | |
3602 | return IRQ_HANDLED; | |
3603 | } | |
3604 | ||
3605 | static const struct of_device_id btusb_match_table[] = { | |
3606 | { .compatible = "usb1286,204e" }, | |
3607 | { .compatible = "usbcf3,e300" }, /* QCA6174A */ | |
3608 | { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */ | |
3609 | { } | |
3610 | }; | |
3611 | MODULE_DEVICE_TABLE(of, btusb_match_table); | |
3612 | ||
3613 | /* Use an oob wakeup pin? */ | |
3614 | static int btusb_config_oob_wake(struct hci_dev *hdev) | |
3615 | { | |
3616 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3617 | struct device *dev = &data->udev->dev; | |
3618 | int irq, ret; | |
3619 | ||
3620 | clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
3621 | ||
3622 | if (!of_match_device(btusb_match_table, dev)) | |
3623 | return 0; | |
3624 | ||
3625 | /* Move on if no IRQ specified */ | |
3626 | irq = of_irq_get_byname(dev->of_node, "wakeup"); | |
3627 | if (irq <= 0) { | |
3628 | bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__); | |
3629 | return 0; | |
3630 | } | |
3631 | ||
3632 | irq_set_status_flags(irq, IRQ_NOAUTOEN); | |
3633 | ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler, | |
3634 | 0, "OOB Wake-on-BT", data); | |
3635 | if (ret) { | |
3636 | bt_dev_err(hdev, "%s: IRQ request failed", __func__); | |
3637 | return ret; | |
3638 | } | |
3639 | ||
3640 | ret = device_init_wakeup(dev, true); | |
3641 | if (ret) { | |
3642 | bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); | |
3643 | return ret; | |
3644 | } | |
3645 | ||
3646 | data->oob_wake_irq = irq; | |
3647 | bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); | |
3648 | return 0; | |
3649 | } | |
3650 | #endif | |
3651 | ||
3652 | static void btusb_check_needs_reset_resume(struct usb_interface *intf) | |
3653 | { | |
3654 | if (dmi_check_system(btusb_needs_reset_resume_table)) | |
3655 | interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; | |
3656 | } | |
3657 | ||
3658 | static bool btusb_wakeup(struct hci_dev *hdev) | |
3659 | { | |
3660 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3661 | ||
3662 | return device_may_wakeup(&data->udev->dev); | |
3663 | } | |
3664 | ||
3665 | static int btusb_shutdown_qca(struct hci_dev *hdev) | |
3666 | { | |
3667 | struct sk_buff *skb; | |
3668 | ||
3669 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
3670 | if (IS_ERR(skb)) { | |
3671 | bt_dev_err(hdev, "HCI reset during shutdown failed"); | |
3672 | return PTR_ERR(skb); | |
3673 | } | |
3674 | kfree_skb(skb); | |
3675 | ||
3676 | return 0; | |
3677 | } | |
3678 | ||
3679 | static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf, | |
3680 | size_t count, loff_t *ppos) | |
3681 | { | |
3682 | struct btusb_data *data = file->private_data; | |
3683 | char buf[3]; | |
3684 | ||
3685 | buf[0] = data->poll_sync ? 'Y' : 'N'; | |
3686 | buf[1] = '\n'; | |
3687 | buf[2] = '\0'; | |
3688 | return simple_read_from_buffer(user_buf, count, ppos, buf, 2); | |
3689 | } | |
3690 | ||
3691 | static ssize_t force_poll_sync_write(struct file *file, | |
3692 | const char __user *user_buf, | |
3693 | size_t count, loff_t *ppos) | |
3694 | { | |
3695 | struct btusb_data *data = file->private_data; | |
3696 | bool enable; | |
3697 | int err; | |
3698 | ||
3699 | err = kstrtobool_from_user(user_buf, count, &enable); | |
3700 | if (err) | |
3701 | return err; | |
3702 | ||
3703 | /* Only allow changes while the adapter is down */ | |
3704 | if (test_bit(HCI_UP, &data->hdev->flags)) | |
3705 | return -EPERM; | |
3706 | ||
3707 | if (data->poll_sync == enable) | |
3708 | return -EALREADY; | |
3709 | ||
3710 | data->poll_sync = enable; | |
3711 | ||
3712 | return count; | |
3713 | } | |
3714 | ||
3715 | static const struct file_operations force_poll_sync_fops = { | |
3716 | .owner = THIS_MODULE, | |
3717 | .open = simple_open, | |
3718 | .read = force_poll_sync_read, | |
3719 | .write = force_poll_sync_write, | |
3720 | .llseek = default_llseek, | |
3721 | }; | |
3722 | ||
3723 | #define BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS \ | |
3724 | hci_opcode_pack(HCI_DRV_OGF_DRIVER_SPECIFIC, 0x0000) | |
3725 | #define BTUSB_HCI_DRV_SUPPORTED_ALTSETTINGS_SIZE 0 | |
3726 | struct btusb_hci_drv_rp_supported_altsettings { | |
3727 | __u8 num; | |
3728 | __u8 altsettings[]; | |
3729 | } __packed; | |
3730 | ||
3731 | #define BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING \ | |
3732 | hci_opcode_pack(HCI_DRV_OGF_DRIVER_SPECIFIC, 0x0001) | |
3733 | #define BTUSB_HCI_DRV_SWITCH_ALTSETTING_SIZE 1 | |
3734 | struct btusb_hci_drv_cmd_switch_altsetting { | |
3735 | __u8 altsetting; | |
3736 | } __packed; | |
3737 | ||
3738 | static const struct { | |
3739 | u16 opcode; | |
3740 | const char *desc; | |
3741 | } btusb_hci_drv_supported_commands[] = { | |
3742 | /* Common commands */ | |
3743 | { HCI_DRV_OP_READ_INFO, "Read Info" }, | |
3744 | ||
3745 | /* Driver specific commands */ | |
3746 | { BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS, "Supported Altsettings" }, | |
3747 | { BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING, "Switch Altsetting" }, | |
3748 | }; | |
3749 | static int btusb_hci_drv_read_info(struct hci_dev *hdev, void *data, | |
3750 | u16 data_len) | |
3751 | { | |
3752 | struct hci_drv_rp_read_info *rp; | |
3753 | size_t rp_size; | |
3754 | int err, i; | |
3755 | u16 opcode, num_supported_commands = | |
3756 | ARRAY_SIZE(btusb_hci_drv_supported_commands); | |
3757 | ||
3758 | rp_size = sizeof(*rp) + num_supported_commands * 2; | |
3759 | ||
3760 | rp = kmalloc(rp_size, GFP_KERNEL); | |
3761 | if (!rp) | |
3762 | return -ENOMEM; | |
3763 | ||
3764 | strscpy_pad(rp->driver_name, btusb_driver.name); | |
3765 | ||
3766 | rp->num_supported_commands = cpu_to_le16(num_supported_commands); | |
3767 | for (i = 0; i < num_supported_commands; i++) { | |
3768 | opcode = btusb_hci_drv_supported_commands[i].opcode; | |
3769 | bt_dev_info(hdev, | |
3770 | "Supported HCI Drv command (0x%02x|0x%04x): %s", | |
3771 | hci_opcode_ogf(opcode), | |
3772 | hci_opcode_ocf(opcode), | |
3773 | btusb_hci_drv_supported_commands[i].desc); | |
3774 | rp->supported_commands[i] = cpu_to_le16(opcode); | |
3775 | } | |
3776 | ||
3777 | err = hci_drv_cmd_complete(hdev, HCI_DRV_OP_READ_INFO, | |
3778 | HCI_DRV_STATUS_SUCCESS, rp, rp_size); | |
3779 | ||
3780 | kfree(rp); | |
3781 | return err; | |
3782 | } | |
3783 | ||
3784 | static int btusb_hci_drv_supported_altsettings(struct hci_dev *hdev, void *data, | |
3785 | u16 data_len) | |
3786 | { | |
3787 | struct btusb_data *drvdata = hci_get_drvdata(hdev); | |
3788 | struct btusb_hci_drv_rp_supported_altsettings *rp; | |
3789 | size_t rp_size; | |
3790 | int err; | |
3791 | u8 i; | |
3792 | ||
3793 | /* There are at most 7 alt (0 - 6) */ | |
3794 | rp = kmalloc(sizeof(*rp) + 7, GFP_KERNEL); | |
3795 | ||
3796 | rp->num = 0; | |
3797 | if (!drvdata->isoc) | |
3798 | goto done; | |
3799 | ||
3800 | for (i = 0; i <= 6; i++) { | |
3801 | if (btusb_find_altsetting(drvdata, i)) | |
3802 | rp->altsettings[rp->num++] = i; | |
3803 | } | |
3804 | ||
3805 | done: | |
3806 | rp_size = sizeof(*rp) + rp->num; | |
3807 | ||
3808 | err = hci_drv_cmd_complete(hdev, BTUSB_HCI_DRV_OP_SUPPORTED_ALTSETTINGS, | |
3809 | HCI_DRV_STATUS_SUCCESS, rp, rp_size); | |
3810 | kfree(rp); | |
3811 | return err; | |
3812 | } | |
3813 | ||
3814 | static int btusb_hci_drv_switch_altsetting(struct hci_dev *hdev, void *data, | |
3815 | u16 data_len) | |
3816 | { | |
3817 | struct btusb_hci_drv_cmd_switch_altsetting *cmd = data; | |
3818 | u8 status; | |
3819 | ||
3820 | if (cmd->altsetting > 6) { | |
3821 | status = HCI_DRV_STATUS_INVALID_PARAMETERS; | |
3822 | } else { | |
3823 | if (btusb_switch_alt_setting(hdev, cmd->altsetting)) | |
3824 | status = HCI_DRV_STATUS_UNSPECIFIED_ERROR; | |
3825 | else | |
3826 | status = HCI_DRV_STATUS_SUCCESS; | |
3827 | } | |
3828 | ||
3829 | return hci_drv_cmd_status(hdev, BTUSB_HCI_DRV_OP_SWITCH_ALTSETTING, | |
3830 | status); | |
3831 | } | |
3832 | ||
3833 | static const struct hci_drv_handler btusb_hci_drv_common_handlers[] = { | |
3834 | { btusb_hci_drv_read_info, HCI_DRV_READ_INFO_SIZE }, | |
3835 | }; | |
3836 | ||
3837 | static const struct hci_drv_handler btusb_hci_drv_specific_handlers[] = { | |
3838 | { btusb_hci_drv_supported_altsettings, | |
3839 | BTUSB_HCI_DRV_SUPPORTED_ALTSETTINGS_SIZE }, | |
3840 | { btusb_hci_drv_switch_altsetting, | |
3841 | BTUSB_HCI_DRV_SWITCH_ALTSETTING_SIZE }, | |
3842 | }; | |
3843 | ||
3844 | static struct hci_drv btusb_hci_drv = { | |
3845 | .common_handler_count = ARRAY_SIZE(btusb_hci_drv_common_handlers), | |
3846 | .common_handlers = btusb_hci_drv_common_handlers, | |
3847 | .specific_handler_count = ARRAY_SIZE(btusb_hci_drv_specific_handlers), | |
3848 | .specific_handlers = btusb_hci_drv_specific_handlers, | |
3849 | }; | |
3850 | ||
3851 | static int btusb_probe(struct usb_interface *intf, | |
3852 | const struct usb_device_id *id) | |
3853 | { | |
3854 | struct usb_endpoint_descriptor *ep_desc; | |
3855 | struct gpio_desc *reset_gpio; | |
3856 | struct btusb_data *data; | |
3857 | struct hci_dev *hdev; | |
3858 | unsigned ifnum_base; | |
3859 | int i, err, priv_size; | |
3860 | ||
3861 | BT_DBG("intf %p id %p", intf, id); | |
3862 | ||
3863 | if ((id->driver_info & BTUSB_IFNUM_2) && | |
3864 | (intf->cur_altsetting->desc.bInterfaceNumber != 0) && | |
3865 | (intf->cur_altsetting->desc.bInterfaceNumber != 2)) | |
3866 | return -ENODEV; | |
3867 | ||
3868 | ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; | |
3869 | ||
3870 | if (!id->driver_info) { | |
3871 | const struct usb_device_id *match; | |
3872 | ||
3873 | match = usb_match_id(intf, quirks_table); | |
3874 | if (match) | |
3875 | id = match; | |
3876 | } | |
3877 | ||
3878 | if (id->driver_info == BTUSB_IGNORE) | |
3879 | return -ENODEV; | |
3880 | ||
3881 | if (id->driver_info & BTUSB_ATH3012) { | |
3882 | struct usb_device *udev = interface_to_usbdev(intf); | |
3883 | ||
3884 | /* Old firmware would otherwise let ath3k driver load | |
3885 | * patch and sysconfig files | |
3886 | */ | |
3887 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 && | |
3888 | !btusb_qca_need_patch(udev)) | |
3889 | return -ENODEV; | |
3890 | } | |
3891 | ||
3892 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); | |
3893 | if (!data) | |
3894 | return -ENOMEM; | |
3895 | ||
3896 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
3897 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
3898 | ||
3899 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
3900 | data->intr_ep = ep_desc; | |
3901 | continue; | |
3902 | } | |
3903 | ||
3904 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
3905 | data->bulk_tx_ep = ep_desc; | |
3906 | continue; | |
3907 | } | |
3908 | ||
3909 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
3910 | data->bulk_rx_ep = ep_desc; | |
3911 | continue; | |
3912 | } | |
3913 | } | |
3914 | ||
3915 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) | |
3916 | return -ENODEV; | |
3917 | ||
3918 | if (id->driver_info & BTUSB_AMP) { | |
3919 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; | |
3920 | data->cmdreq = 0x2b; | |
3921 | } else { | |
3922 | data->cmdreq_type = USB_TYPE_CLASS; | |
3923 | data->cmdreq = 0x00; | |
3924 | } | |
3925 | ||
3926 | data->udev = interface_to_usbdev(intf); | |
3927 | data->intf = intf; | |
3928 | ||
3929 | INIT_WORK(&data->work, btusb_work); | |
3930 | INIT_WORK(&data->waker, btusb_waker); | |
3931 | INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work); | |
3932 | ||
3933 | skb_queue_head_init(&data->acl_q); | |
3934 | ||
3935 | init_usb_anchor(&data->deferred); | |
3936 | init_usb_anchor(&data->tx_anchor); | |
3937 | spin_lock_init(&data->txlock); | |
3938 | ||
3939 | init_usb_anchor(&data->intr_anchor); | |
3940 | init_usb_anchor(&data->bulk_anchor); | |
3941 | init_usb_anchor(&data->isoc_anchor); | |
3942 | init_usb_anchor(&data->diag_anchor); | |
3943 | init_usb_anchor(&data->ctrl_anchor); | |
3944 | spin_lock_init(&data->rxlock); | |
3945 | ||
3946 | priv_size = 0; | |
3947 | ||
3948 | data->recv_event = hci_recv_frame; | |
3949 | data->recv_bulk = btusb_recv_bulk; | |
3950 | ||
3951 | if (id->driver_info & BTUSB_INTEL_COMBINED) { | |
3952 | /* Allocate extra space for Intel device */ | |
3953 | priv_size += sizeof(struct btintel_data); | |
3954 | ||
3955 | /* Override the rx handlers */ | |
3956 | data->recv_event = btintel_recv_event; | |
3957 | data->recv_bulk = btusb_recv_bulk_intel; | |
3958 | } else if (id->driver_info & BTUSB_REALTEK) { | |
3959 | /* Allocate extra space for Realtek device */ | |
3960 | priv_size += sizeof(struct btrealtek_data); | |
3961 | ||
3962 | data->recv_event = btusb_recv_event_realtek; | |
3963 | } else if (id->driver_info & BTUSB_MEDIATEK) { | |
3964 | /* Allocate extra space for Mediatek device */ | |
3965 | priv_size += sizeof(struct btmtk_data); | |
3966 | } | |
3967 | ||
3968 | data->recv_acl = hci_recv_frame; | |
3969 | ||
3970 | hdev = hci_alloc_dev_priv(priv_size); | |
3971 | if (!hdev) | |
3972 | return -ENOMEM; | |
3973 | ||
3974 | hdev->bus = HCI_USB; | |
3975 | hci_set_drvdata(hdev, data); | |
3976 | ||
3977 | data->hdev = hdev; | |
3978 | ||
3979 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
3980 | ||
3981 | reset_gpio = gpiod_get_optional(&data->udev->dev, "reset", | |
3982 | GPIOD_OUT_LOW); | |
3983 | if (IS_ERR(reset_gpio)) { | |
3984 | err = PTR_ERR(reset_gpio); | |
3985 | goto out_free_dev; | |
3986 | } else if (reset_gpio) { | |
3987 | data->reset_gpio = reset_gpio; | |
3988 | } | |
3989 | ||
3990 | hdev->open = btusb_open; | |
3991 | hdev->close = btusb_close; | |
3992 | hdev->flush = btusb_flush; | |
3993 | hdev->send = btusb_send_frame; | |
3994 | hdev->notify = btusb_notify; | |
3995 | hdev->wakeup = btusb_wakeup; | |
3996 | hdev->hci_drv = &btusb_hci_drv; | |
3997 | ||
3998 | #ifdef CONFIG_PM | |
3999 | err = btusb_config_oob_wake(hdev); | |
4000 | if (err) | |
4001 | goto out_free_dev; | |
4002 | ||
4003 | /* Marvell devices may need a specific chip configuration */ | |
4004 | if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { | |
4005 | err = marvell_config_oob_wake(hdev); | |
4006 | if (err) | |
4007 | goto out_free_dev; | |
4008 | } | |
4009 | #endif | |
4010 | if (id->driver_info & BTUSB_CW6622) | |
4011 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
4012 | ||
4013 | if (id->driver_info & BTUSB_BCM2045) | |
4014 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
4015 | ||
4016 | if (id->driver_info & BTUSB_BCM92035) | |
4017 | hdev->setup = btusb_setup_bcm92035; | |
4018 | ||
4019 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && | |
4020 | (id->driver_info & BTUSB_BCM_PATCHRAM)) { | |
4021 | hdev->manufacturer = 15; | |
4022 | hdev->setup = btbcm_setup_patchram; | |
4023 | hdev->set_diag = btusb_bcm_set_diag; | |
4024 | hdev->set_bdaddr = btbcm_set_bdaddr; | |
4025 | ||
4026 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
4027 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); | |
4028 | } | |
4029 | ||
4030 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && | |
4031 | (id->driver_info & BTUSB_BCM_APPLE)) { | |
4032 | hdev->manufacturer = 15; | |
4033 | hdev->setup = btbcm_setup_apple; | |
4034 | hdev->set_diag = btusb_bcm_set_diag; | |
4035 | ||
4036 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
4037 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); | |
4038 | } | |
4039 | ||
4040 | /* Combined Intel Device setup to support multiple setup routine */ | |
4041 | if (id->driver_info & BTUSB_INTEL_COMBINED) { | |
4042 | err = btintel_configure_setup(hdev, btusb_driver.name); | |
4043 | if (err) | |
4044 | goto out_free_dev; | |
4045 | ||
4046 | /* Transport specific configuration */ | |
4047 | hdev->send = btusb_send_frame_intel; | |
4048 | hdev->reset = btusb_intel_reset; | |
4049 | ||
4050 | if (id->driver_info & BTUSB_INTEL_NO_WBS_SUPPORT) | |
4051 | btintel_set_flag(hdev, INTEL_ROM_LEGACY_NO_WBS_SUPPORT); | |
4052 | ||
4053 | if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD) | |
4054 | btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD); | |
4055 | ||
4056 | if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED) | |
4057 | btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED); | |
4058 | } | |
4059 | ||
4060 | if (id->driver_info & BTUSB_MARVELL) | |
4061 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
4062 | ||
4063 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) && | |
4064 | (id->driver_info & BTUSB_MEDIATEK)) { | |
4065 | hdev->setup = btusb_mtk_setup; | |
4066 | hdev->shutdown = btusb_mtk_shutdown; | |
4067 | hdev->manufacturer = 70; | |
4068 | hdev->reset = btmtk_reset_sync; | |
4069 | hdev->set_bdaddr = btmtk_set_bdaddr; | |
4070 | hdev->send = btusb_send_frame_mtk; | |
4071 | set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks); | |
4072 | set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); | |
4073 | data->recv_acl = btmtk_usb_recv_acl; | |
4074 | data->suspend = btmtk_usb_suspend; | |
4075 | data->resume = btmtk_usb_resume; | |
4076 | data->disconnect = btusb_mtk_disconnect; | |
4077 | } | |
4078 | ||
4079 | if (id->driver_info & BTUSB_SWAVE) { | |
4080 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
4081 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); | |
4082 | } | |
4083 | ||
4084 | if (id->driver_info & BTUSB_INTEL_BOOT) { | |
4085 | hdev->manufacturer = 2; | |
4086 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
4087 | } | |
4088 | ||
4089 | if (id->driver_info & BTUSB_ATH3012) { | |
4090 | data->setup_on_usb = btusb_setup_qca; | |
4091 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
4092 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
4093 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); | |
4094 | } | |
4095 | ||
4096 | if (id->driver_info & BTUSB_QCA_ROME) { | |
4097 | data->setup_on_usb = btusb_setup_qca; | |
4098 | hdev->shutdown = btusb_shutdown_qca; | |
4099 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
4100 | hdev->reset = btusb_qca_reset; | |
4101 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
4102 | btusb_check_needs_reset_resume(intf); | |
4103 | } | |
4104 | ||
4105 | if (id->driver_info & BTUSB_QCA_WCN6855) { | |
4106 | data->qca_dump.id_vendor = id->idVendor; | |
4107 | data->qca_dump.id_product = id->idProduct; | |
4108 | data->recv_event = btusb_recv_evt_qca; | |
4109 | data->recv_acl = btusb_recv_acl_qca; | |
4110 | hci_devcd_register(hdev, btusb_coredump_qca, btusb_dump_hdr_qca, NULL); | |
4111 | data->setup_on_usb = btusb_setup_qca; | |
4112 | hdev->shutdown = btusb_shutdown_qca; | |
4113 | hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; | |
4114 | hdev->reset = btusb_qca_reset; | |
4115 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
4116 | hci_set_msft_opcode(hdev, 0xFD70); | |
4117 | } | |
4118 | ||
4119 | if (id->driver_info & BTUSB_AMP) { | |
4120 | /* AMP controllers do not support SCO packets */ | |
4121 | data->isoc = NULL; | |
4122 | } else { | |
4123 | /* Interface orders are hardcoded in the specification */ | |
4124 | data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1); | |
4125 | data->isoc_ifnum = ifnum_base + 1; | |
4126 | } | |
4127 | ||
4128 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) && | |
4129 | (id->driver_info & BTUSB_REALTEK)) { | |
4130 | btrtl_set_driver_name(hdev, btusb_driver.name); | |
4131 | hdev->setup = btusb_setup_realtek; | |
4132 | hdev->shutdown = btrtl_shutdown_realtek; | |
4133 | hdev->reset = btusb_rtl_reset; | |
4134 | hdev->hw_error = btusb_rtl_hw_error; | |
4135 | ||
4136 | /* Realtek devices need to set remote wakeup on auto-suspend */ | |
4137 | set_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags); | |
4138 | set_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags); | |
4139 | } | |
4140 | ||
4141 | if (id->driver_info & BTUSB_ACTIONS_SEMI) { | |
4142 | /* Support is advertised, but not implemented */ | |
4143 | set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); | |
4144 | set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks); | |
4145 | set_bit(HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT, &hdev->quirks); | |
4146 | set_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &hdev->quirks); | |
4147 | set_bit(HCI_QUIRK_BROKEN_READ_ENC_KEY_SIZE, &hdev->quirks); | |
4148 | set_bit(HCI_QUIRK_BROKEN_EXT_CREATE_CONN, &hdev->quirks); | |
4149 | set_bit(HCI_QUIRK_BROKEN_WRITE_AUTH_PAYLOAD_TIMEOUT, &hdev->quirks); | |
4150 | } | |
4151 | ||
4152 | if (!reset) | |
4153 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
4154 | ||
4155 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
4156 | if (!disable_scofix) | |
4157 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
4158 | } | |
4159 | ||
4160 | if (id->driver_info & BTUSB_BROKEN_ISOC) | |
4161 | data->isoc = NULL; | |
4162 | ||
4163 | if (id->driver_info & BTUSB_WIDEBAND_SPEECH) | |
4164 | set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks); | |
4165 | ||
4166 | if (id->driver_info & BTUSB_INVALID_LE_STATES) | |
4167 | set_bit(HCI_QUIRK_BROKEN_LE_STATES, &hdev->quirks); | |
4168 | ||
4169 | if (id->driver_info & BTUSB_DIGIANSWER) { | |
4170 | data->cmdreq_type = USB_TYPE_VENDOR; | |
4171 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
4172 | } | |
4173 | ||
4174 | if (id->driver_info & BTUSB_CSR) { | |
4175 | struct usb_device *udev = data->udev; | |
4176 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); | |
4177 | ||
4178 | /* Old firmware would otherwise execute USB reset */ | |
4179 | if (bcdDevice < 0x117) | |
4180 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
4181 | ||
4182 | /* This must be set first in case we disable it for fakes */ | |
4183 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
4184 | ||
4185 | /* Fake CSR devices with broken commands */ | |
4186 | if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 && | |
4187 | le16_to_cpu(udev->descriptor.idProduct) == 0x0001) | |
4188 | hdev->setup = btusb_setup_csr; | |
4189 | } | |
4190 | ||
4191 | if (id->driver_info & BTUSB_SNIFFER) { | |
4192 | struct usb_device *udev = data->udev; | |
4193 | ||
4194 | /* New sniffer firmware has crippled HCI interface */ | |
4195 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) | |
4196 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
4197 | } | |
4198 | ||
4199 | if (id->driver_info & BTUSB_INTEL_BOOT) { | |
4200 | /* A bug in the bootloader causes that interrupt interface is | |
4201 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
4202 | */ | |
4203 | err = usb_set_interface(data->udev, 0, 0); | |
4204 | if (err < 0) { | |
4205 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
4206 | goto out_free_dev; | |
4207 | } | |
4208 | } | |
4209 | ||
4210 | if (data->isoc) { | |
4211 | err = usb_driver_claim_interface(&btusb_driver, | |
4212 | data->isoc, data); | |
4213 | if (err < 0) | |
4214 | goto out_free_dev; | |
4215 | } | |
4216 | ||
4217 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) { | |
4218 | if (!usb_driver_claim_interface(&btusb_driver, | |
4219 | data->diag, data)) | |
4220 | __set_diag_interface(hdev); | |
4221 | else | |
4222 | data->diag = NULL; | |
4223 | } | |
4224 | ||
4225 | if (enable_autosuspend) | |
4226 | usb_enable_autosuspend(data->udev); | |
4227 | ||
4228 | data->poll_sync = enable_poll_sync; | |
4229 | ||
4230 | err = hci_register_dev(hdev); | |
4231 | if (err < 0) | |
4232 | goto out_free_dev; | |
4233 | ||
4234 | usb_set_intfdata(intf, data); | |
4235 | ||
4236 | debugfs_create_file("force_poll_sync", 0644, hdev->debugfs, data, | |
4237 | &force_poll_sync_fops); | |
4238 | ||
4239 | return 0; | |
4240 | ||
4241 | out_free_dev: | |
4242 | if (data->reset_gpio) | |
4243 | gpiod_put(data->reset_gpio); | |
4244 | hci_free_dev(hdev); | |
4245 | return err; | |
4246 | } | |
4247 | ||
4248 | static void btusb_disconnect(struct usb_interface *intf) | |
4249 | { | |
4250 | struct btusb_data *data = usb_get_intfdata(intf); | |
4251 | struct hci_dev *hdev; | |
4252 | ||
4253 | BT_DBG("intf %p", intf); | |
4254 | ||
4255 | if (!data) | |
4256 | return; | |
4257 | ||
4258 | hdev = data->hdev; | |
4259 | usb_set_intfdata(data->intf, NULL); | |
4260 | ||
4261 | if (data->isoc) | |
4262 | usb_set_intfdata(data->isoc, NULL); | |
4263 | ||
4264 | if (data->diag) | |
4265 | usb_set_intfdata(data->diag, NULL); | |
4266 | ||
4267 | if (data->disconnect) | |
4268 | data->disconnect(hdev); | |
4269 | ||
4270 | hci_unregister_dev(hdev); | |
4271 | ||
4272 | if (intf == data->intf) { | |
4273 | if (data->isoc) | |
4274 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
4275 | if (data->diag) | |
4276 | usb_driver_release_interface(&btusb_driver, data->diag); | |
4277 | } else if (intf == data->isoc) { | |
4278 | if (data->diag) | |
4279 | usb_driver_release_interface(&btusb_driver, data->diag); | |
4280 | usb_driver_release_interface(&btusb_driver, data->intf); | |
4281 | } else if (intf == data->diag) { | |
4282 | usb_driver_release_interface(&btusb_driver, data->intf); | |
4283 | if (data->isoc) | |
4284 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
4285 | } | |
4286 | ||
4287 | if (data->oob_wake_irq) | |
4288 | device_init_wakeup(&data->udev->dev, false); | |
4289 | ||
4290 | if (data->reset_gpio) | |
4291 | gpiod_put(data->reset_gpio); | |
4292 | ||
4293 | hci_free_dev(hdev); | |
4294 | } | |
4295 | ||
4296 | #ifdef CONFIG_PM | |
4297 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) | |
4298 | { | |
4299 | struct btusb_data *data = usb_get_intfdata(intf); | |
4300 | ||
4301 | BT_DBG("intf %p", intf); | |
4302 | ||
4303 | /* Don't auto-suspend if there are connections; external suspend calls | |
4304 | * shall never fail. | |
4305 | */ | |
4306 | if (PMSG_IS_AUTO(message) && hci_conn_count(data->hdev)) | |
4307 | return -EBUSY; | |
4308 | ||
4309 | if (data->suspend_count++) | |
4310 | return 0; | |
4311 | ||
4312 | spin_lock_irq(&data->txlock); | |
4313 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { | |
4314 | set_bit(BTUSB_SUSPENDING, &data->flags); | |
4315 | spin_unlock_irq(&data->txlock); | |
4316 | } else { | |
4317 | spin_unlock_irq(&data->txlock); | |
4318 | data->suspend_count--; | |
4319 | return -EBUSY; | |
4320 | } | |
4321 | ||
4322 | cancel_work_sync(&data->work); | |
4323 | ||
4324 | if (data->suspend) | |
4325 | data->suspend(data->hdev); | |
4326 | ||
4327 | btusb_stop_traffic(data); | |
4328 | usb_kill_anchored_urbs(&data->tx_anchor); | |
4329 | ||
4330 | if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) { | |
4331 | set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
4332 | enable_irq_wake(data->oob_wake_irq); | |
4333 | enable_irq(data->oob_wake_irq); | |
4334 | } | |
4335 | ||
4336 | /* For global suspend, Realtek devices lose the loaded fw | |
4337 | * in them. But for autosuspend, firmware should remain. | |
4338 | * Actually, it depends on whether the usb host sends | |
4339 | * set feature (enable wakeup) or not. | |
4340 | */ | |
4341 | if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) { | |
4342 | if (PMSG_IS_AUTO(message) && | |
4343 | device_can_wakeup(&data->udev->dev)) | |
4344 | data->udev->do_remote_wakeup = 1; | |
4345 | else if (!PMSG_IS_AUTO(message) && | |
4346 | !device_may_wakeup(&data->udev->dev)) { | |
4347 | data->udev->do_remote_wakeup = 0; | |
4348 | data->udev->reset_resume = 1; | |
4349 | } | |
4350 | } | |
4351 | ||
4352 | return 0; | |
4353 | } | |
4354 | ||
4355 | static void play_deferred(struct btusb_data *data) | |
4356 | { | |
4357 | struct urb *urb; | |
4358 | int err; | |
4359 | ||
4360 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
4361 | usb_anchor_urb(urb, &data->tx_anchor); | |
4362 | ||
4363 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
4364 | if (err < 0) { | |
4365 | if (err != -EPERM && err != -ENODEV) | |
4366 | BT_ERR("%s urb %p submission failed (%d)", | |
4367 | data->hdev->name, urb, -err); | |
4368 | kfree(urb->setup_packet); | |
4369 | usb_unanchor_urb(urb); | |
4370 | usb_free_urb(urb); | |
4371 | break; | |
4372 | } | |
4373 | ||
4374 | data->tx_in_flight++; | |
4375 | usb_free_urb(urb); | |
4376 | } | |
4377 | ||
4378 | /* Cleanup the rest deferred urbs. */ | |
4379 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
4380 | kfree(urb->setup_packet); | |
4381 | usb_free_urb(urb); | |
4382 | } | |
4383 | } | |
4384 | ||
4385 | static int btusb_resume(struct usb_interface *intf) | |
4386 | { | |
4387 | struct btusb_data *data = usb_get_intfdata(intf); | |
4388 | struct hci_dev *hdev = data->hdev; | |
4389 | int err = 0; | |
4390 | ||
4391 | BT_DBG("intf %p", intf); | |
4392 | ||
4393 | if (--data->suspend_count) | |
4394 | return 0; | |
4395 | ||
4396 | /* Disable only if not already disabled (keep it balanced) */ | |
4397 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
4398 | disable_irq(data->oob_wake_irq); | |
4399 | disable_irq_wake(data->oob_wake_irq); | |
4400 | } | |
4401 | ||
4402 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
4403 | goto done; | |
4404 | ||
4405 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
4406 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
4407 | if (err < 0) { | |
4408 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
4409 | goto failed; | |
4410 | } | |
4411 | } | |
4412 | ||
4413 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
4414 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
4415 | if (err < 0) { | |
4416 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); | |
4417 | goto failed; | |
4418 | } | |
4419 | ||
4420 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
4421 | } | |
4422 | ||
4423 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
4424 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
4425 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
4426 | else | |
4427 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
4428 | } | |
4429 | ||
4430 | if (data->resume) | |
4431 | data->resume(hdev); | |
4432 | ||
4433 | spin_lock_irq(&data->txlock); | |
4434 | play_deferred(data); | |
4435 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
4436 | spin_unlock_irq(&data->txlock); | |
4437 | schedule_work(&data->work); | |
4438 | ||
4439 | return 0; | |
4440 | ||
4441 | failed: | |
4442 | usb_scuttle_anchored_urbs(&data->deferred); | |
4443 | done: | |
4444 | spin_lock_irq(&data->txlock); | |
4445 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
4446 | spin_unlock_irq(&data->txlock); | |
4447 | ||
4448 | return err; | |
4449 | } | |
4450 | #endif | |
4451 | ||
4452 | #ifdef CONFIG_DEV_COREDUMP | |
4453 | static void btusb_coredump(struct device *dev) | |
4454 | { | |
4455 | struct btusb_data *data = dev_get_drvdata(dev); | |
4456 | struct hci_dev *hdev = data->hdev; | |
4457 | ||
4458 | if (hdev->dump.coredump) | |
4459 | hdev->dump.coredump(hdev); | |
4460 | } | |
4461 | #endif | |
4462 | ||
4463 | static struct usb_driver btusb_driver = { | |
4464 | .name = "btusb", | |
4465 | .probe = btusb_probe, | |
4466 | .disconnect = btusb_disconnect, | |
4467 | #ifdef CONFIG_PM | |
4468 | .suspend = btusb_suspend, | |
4469 | .resume = btusb_resume, | |
4470 | #endif | |
4471 | .id_table = btusb_table, | |
4472 | .supports_autosuspend = 1, | |
4473 | .disable_hub_initiated_lpm = 1, | |
4474 | ||
4475 | #ifdef CONFIG_DEV_COREDUMP | |
4476 | .driver = { | |
4477 | .coredump = btusb_coredump, | |
4478 | }, | |
4479 | #endif | |
4480 | }; | |
4481 | ||
4482 | module_usb_driver(btusb_driver); | |
4483 | ||
4484 | module_param(disable_scofix, bool, 0644); | |
4485 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
4486 | ||
4487 | module_param(force_scofix, bool, 0644); | |
4488 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
4489 | ||
4490 | module_param(enable_autosuspend, bool, 0644); | |
4491 | MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default"); | |
4492 | ||
4493 | module_param(reset, bool, 0644); | |
4494 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
4495 | ||
4496 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); | |
4497 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
4498 | MODULE_VERSION(VERSION); | |
4499 | MODULE_LICENSE("GPL"); |