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Bluetooth: btusb: Don't suspend when there are connections
[linux.git] / drivers / bluetooth / btusb.c
CommitLineData
1a59d1b8 1// SPDX-License-Identifier: GPL-2.0-or-later
5e23b923
MH		 2/*
3 *
4 * Generic Bluetooth USB driver
5 *
9bfa35fe 6 * Copyright (C) 2005-2008 Marcel Holtmann <[email protected]>
5e23b923
MH		 7 */
8
1fdb9269 9#include <linux/dmi.h>
5e23b923 10#include <linux/module.h>
5e23b923 11#include <linux/usb.h>
61f5acea 12#include <linux/usb/quirks.h>
dffd30ee 13#include <linux/firmware.h>
a1c49c43 14#include <linux/iopoll.h>
fd913ef7
RJ		 15#include <linux/of_device.h>
16#include <linux/of_irq.h>
017789f3 17#include <linux/suspend.h>
dc786b2c 18#include <linux/gpio/consumer.h>
800fe5ec 19#include <linux/debugfs.h>
a2698a9b 20#include <asm/unaligned.h>
5e23b923
MH		 21
22#include <net/bluetooth/bluetooth.h>
23#include <net/bluetooth/hci_core.h>
24
4185a0f5 25#include "btintel.h"
1df1f591 26#include "btbcm.h"
db33c77d 27#include "btrtl.h"
8c0d17b6 28#include "btmtk.h"
1df1f591 29
34dced9b 30#define VERSION "0.8"
cfeb4145 31
90ab5ee9
RR		 32static bool disable_scofix;
33static bool force_scofix;
eff2d68c 34static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
bb1afb29 35static bool enable_poll_sync = IS_ENABLED(CONFIG_BT_HCIBTUSB_POLL_SYNC);
917a3337 36static bool reset = true;
cfeb4145
MH		 37
38static struct usb_driver btusb_driver;
39
f95fd5f3
LAD		 40#define BTUSB_IGNORE BIT(0)
41#define BTUSB_DIGIANSWER BIT(1)
42#define BTUSB_CSR BIT(2)
43#define BTUSB_SNIFFER BIT(3)
44#define BTUSB_BCM92035 BIT(4)
45#define BTUSB_BROKEN_ISOC BIT(5)
46#define BTUSB_WRONG_SCO_MTU BIT(6)
47#define BTUSB_ATH3012 BIT(7)
48#define BTUSB_INTEL_COMBINED BIT(8)
49#define BTUSB_INTEL_BOOT BIT(9)
50#define BTUSB_BCM_PATCHRAM BIT(10)
51#define BTUSB_MARVELL BIT(11)
52#define BTUSB_SWAVE BIT(12)
53#define BTUSB_AMP BIT(13)
54#define BTUSB_QCA_ROME BIT(14)
55#define BTUSB_BCM_APPLE BIT(15)
56#define BTUSB_REALTEK BIT(16)
57#define BTUSB_BCM2045 BIT(17)
58#define BTUSB_IFNUM_2 BIT(18)
59#define BTUSB_CW6622 BIT(19)
60#define BTUSB_MEDIATEK BIT(20)
61#define BTUSB_WIDEBAND_SPEECH BIT(21)
62#define BTUSB_VALID_LE_STATES BIT(22)
63#define BTUSB_QCA_WCN6855 BIT(23)
64#define BTUSB_INTEL_BROKEN_SHUTDOWN_LED BIT(24)
65#define BTUSB_INTEL_BROKEN_INITIAL_NCMD BIT(25)
66#define BTUSB_INTEL_NO_WBS_SUPPORT BIT(26)
5d44f76f 67#define BTUSB_ACTIONS_SEMI BIT(27)
5e23b923 68
54265202 69static const struct usb_device_id btusb_table[] = {
5e23b923
MH		 70 /* Generic Bluetooth USB device */
71 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
72
893ba544
MH		 73 /* Generic Bluetooth AMP device */
74 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
75
d63b2826
DD		 76 /* Generic Bluetooth USB interface */
77 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
78
1fa6535f 79 /* Apple-specific (Broadcom) devices */
17b2772b 80 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
22f8e9db 81 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
1fa6535f 82
178c059e
CYC		 83 /* MediaTek MT76x0E */
84 { USB_DEVICE(0x0e8d, 0x763f) },
85
c510eae3 86 /* Broadcom SoftSailing reporting vendor specific */
2e8b5063 87 { USB_DEVICE(0x0a5c, 0x21e1) },
c510eae3 88
3cd01976
NI		 89 /* Apple MacBookPro 7,1 */
90 { USB_DEVICE(0x05ac, 0x8213) },
91
0a79f674
CL		 92 /* Apple iMac11,1 */
93 { USB_DEVICE(0x05ac, 0x8215) },
94
9c047157
NI		 95 /* Apple MacBookPro6,2 */
96 { USB_DEVICE(0x05ac, 0x8218) },
97
3e3ede7d
EH		 98 /* Apple MacBookAir3,1, MacBookAir3,2 */
99 { USB_DEVICE(0x05ac, 0x821b) },
100
a63b723d
PAVM		 101 /* Apple MacBookAir4,1 */
102 { USB_DEVICE(0x05ac, 0x821f) },
103
88d377b6
MAP		 104 /* Apple MacBookPro8,2 */
105 { USB_DEVICE(0x05ac, 0x821a) },
106
f78b6826
JK		 107 /* Apple MacMini5,1 */
108 { USB_DEVICE(0x05ac, 0x8281) },
109
cfeb4145 110 /* AVM BlueFRITZ! USB v2.0 */
4fcef8ed 111 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
cfeb4145
MH		 112
113 /* Bluetooth Ultraport Module from IBM */
114 { USB_DEVICE(0x04bf, 0x030a) },
115
116 /* ALPS Modules with non-standard id */
117 { USB_DEVICE(0x044e, 0x3001) },
118 { USB_DEVICE(0x044e, 0x3002) },
119
120 /* Ericsson with non-standard id */
121 { USB_DEVICE(0x0bdb, 0x1002) },
122
123 /* Canyon CN-BTU1 with HID interfaces */
7a9d4020 124 { USB_DEVICE(0x0c10, 0x0000) },
cfeb4145 125
d049f4e5
MH		 126 /* Broadcom BCM20702B0 (Dynex/Insignia) */
127 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
128
2faf71ce 129 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
628c26b4
DT		 130 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
131 .driver_info = BTUSB_BCM_PATCHRAM },
2faf71ce 132
a57bac43
CH		 133 /* Broadcom BCM920703 (HTC Vive) */
134 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
135 .driver_info = BTUSB_BCM_PATCHRAM },
136
98514036 137 /* Foxconn - Hon Hai */
6029ddc2
HS		 138 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
139 .driver_info = BTUSB_BCM_PATCHRAM },
98514036 140
8f0c304c
MD		 141 /* Lite-On Technology - Broadcom based */
142 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
143 .driver_info = BTUSB_BCM_PATCHRAM },
144
0b880062 145 /* Broadcom devices with vendor specific id */
10d4c673
PG		 146 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
147 .driver_info = BTUSB_BCM_PATCHRAM },
92c385f4 148
c2aef6e8 149 /* ASUSTek Computer - Broadcom based */
9a5abdaa
RD		 150 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
151 .driver_info = BTUSB_BCM_PATCHRAM },
c2aef6e8 152
5bcecf32 153 /* Belkin F8065bf - Broadcom based */
6331c686
MH		 154 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
155 .driver_info = BTUSB_BCM_PATCHRAM },
5bcecf32 156
9113bfd8 157 /* IMC Networks - Broadcom based */
6331c686
MH		 158 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
159 .driver_info = BTUSB_BCM_PATCHRAM },
9113bfd8 160
fdfddc60
WJS		 161 /* Dell Computer - Broadcom based */
162 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
163 .driver_info = BTUSB_BCM_PATCHRAM },
164
1623d0bf
DT		 165 /* Toshiba Corp - Broadcom based */
166 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
167 .driver_info = BTUSB_BCM_PATCHRAM },
168
40df783d 169 /* Intel Bluetooth USB Bootloader (RAM module) */
d92f2df0
MH		 170 { USB_DEVICE(0x8087, 0x0a5a),
171 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
40df783d 172
5e23b923
MH		 173 { } /* Terminating entry */
174};
175
176MODULE_DEVICE_TABLE(usb, btusb_table);
177
d831e361 178static const struct usb_device_id quirks_table[] = {
cfeb4145
MH		 179 /* CSR BlueCore devices */
180 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
181
182 /* Broadcom BCM2033 without firmware */
183 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
184
6c9d435d
MH		 185 /* Broadcom BCM2045 devices */
186 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
187
be93112a 188 /* Atheros 3011 with sflash firmware */
0b880062
AS		 189 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
190 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
2eeff0b4 191 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
0b880062 192 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
be93112a 193 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
6eda541d 194 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
2a7bcccc 195 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
be93112a 196
509e7861
CYC		 197 /* Atheros AR9285 Malbec with sflash firmware */
198 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
199
d9f51b51 200 /* Atheros 3012 with sflash firmware */
0b880062
AS		 201 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
202 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
203 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
204 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
205 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
692c062e 206 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
4b552bc9 207 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
28c971d8 208 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 209 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
210 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
211 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
212 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
1fb4e09a 213 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 214 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
215 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
7e730c7f 216 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
ec0810d2 217 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
134d3b35 218 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
81d90442 219 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
441ad62d 220 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
0b880062 221 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
cd355ff0 222 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
0b880062 223 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
89d2975f 224 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
a735f9e2 225 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
d66629c1 226 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
544a5916 227 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
94a32d10 228 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
07c0ea87 229 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
b131237c 230 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
1e56f1eb 231 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
0b880062 232 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
ebaf5795 233 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
18e0afab 234 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
0b880062 235 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
ac71311e 236 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc 237 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
ca79f232 238 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 239 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
240 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
eed307e2 241 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
609574eb 242 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
5b77a1f3 243 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
3bb30a7c 244 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
033efa92 245 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
fa2f1394 246 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
75c6aca4 247 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
0d0cef61 248 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
72f9f8b5 249 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
12d86896 250 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
d9f51b51 251
e9036e33
CYC		 252 /* Atheros AR5BBU12 with sflash firmware */
253 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
254
85d59726 255 /* Atheros AR5BBU12 with sflash firmware */
bc21fde2 256 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
0b880062 257 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
85d59726 258
3267c884 259 /* QCA ROME chipset */
e99f38b8
RL		 260 { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME |
261 BTUSB_WIDEBAND_SPEECH },
262 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME |
263 BTUSB_WIDEBAND_SPEECH },
264 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME |
265 BTUSB_WIDEBAND_SPEECH },
266 { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME |
267 BTUSB_WIDEBAND_SPEECH },
268 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME |
269 BTUSB_WIDEBAND_SPEECH },
270 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME |
271 BTUSB_WIDEBAND_SPEECH },
272 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME |
273 BTUSB_WIDEBAND_SPEECH },
0324d19c
DL		 274 { USB_DEVICE(0x0cf3, 0xe500), .driver_info = BTUSB_QCA_ROME |
275 BTUSB_WIDEBAND_SPEECH },
e99f38b8
RL		 276 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME |
277 BTUSB_WIDEBAND_SPEECH },
278 { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME |
279 BTUSB_WIDEBAND_SPEECH },
280 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME |
281 BTUSB_WIDEBAND_SPEECH },
282 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME |
283 BTUSB_WIDEBAND_SPEECH },
284 { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME |
285 BTUSB_WIDEBAND_SPEECH },
286 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME |
287 BTUSB_WIDEBAND_SPEECH },
288 { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME |
289 BTUSB_WIDEBAND_SPEECH },
290 { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME |
291 BTUSB_WIDEBAND_SPEECH },
292 { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME |
293 BTUSB_WIDEBAND_SPEECH },
294 { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME |
295 BTUSB_WIDEBAND_SPEECH },
296 { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME |
297 BTUSB_WIDEBAND_SPEECH },
3267c884 298
b40f58b9
RL		 299 /* QCA WCN6855 chipset */
300 { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 |
acd5aea4
MS		 301 BTUSB_WIDEBAND_SPEECH |
302 BTUSB_VALID_LE_STATES },
21a241b3 303 { USB_DEVICE(0x0489, 0xe0cc), .driver_info = BTUSB_QCA_WCN6855 |
304 BTUSB_WIDEBAND_SPEECH |
305 BTUSB_VALID_LE_STATES },
306 { USB_DEVICE(0x0489, 0xe0d6), .driver_info = BTUSB_QCA_WCN6855 |
307 BTUSB_WIDEBAND_SPEECH |
308 BTUSB_VALID_LE_STATES },
e8c42585
ZH		 309 { USB_DEVICE(0x0489, 0xe0e3), .driver_info = BTUSB_QCA_WCN6855 |
310 BTUSB_WIDEBAND_SPEECH |
311 BTUSB_VALID_LE_STATES },
d2666be5
ZH		 312 { USB_DEVICE(0x10ab, 0x9309), .driver_info = BTUSB_QCA_WCN6855 |
313 BTUSB_WIDEBAND_SPEECH |
314 BTUSB_VALID_LE_STATES },
315 { USB_DEVICE(0x10ab, 0x9409), .driver_info = BTUSB_QCA_WCN6855 |
316 BTUSB_WIDEBAND_SPEECH |
317 BTUSB_VALID_LE_STATES },
1cd563eb
AM		 318 { USB_DEVICE(0x0489, 0xe0d0), .driver_info = BTUSB_QCA_WCN6855 |
319 BTUSB_WIDEBAND_SPEECH |
320 BTUSB_VALID_LE_STATES },
ca2a9944
SQ		 321 { USB_DEVICE(0x10ab, 0x9108), .driver_info = BTUSB_QCA_WCN6855 |
322 BTUSB_WIDEBAND_SPEECH |
323 BTUSB_VALID_LE_STATES },
324 { USB_DEVICE(0x10ab, 0x9109), .driver_info = BTUSB_QCA_WCN6855 |
325 BTUSB_WIDEBAND_SPEECH |
326 BTUSB_VALID_LE_STATES },
327 { USB_DEVICE(0x10ab, 0x9208), .driver_info = BTUSB_QCA_WCN6855 |
328 BTUSB_WIDEBAND_SPEECH |
329 BTUSB_VALID_LE_STATES },
330 { USB_DEVICE(0x10ab, 0x9209), .driver_info = BTUSB_QCA_WCN6855 |
331 BTUSB_WIDEBAND_SPEECH |
332 BTUSB_VALID_LE_STATES },
333 { USB_DEVICE(0x10ab, 0x9308), .driver_info = BTUSB_QCA_WCN6855 |
334 BTUSB_WIDEBAND_SPEECH |
335 BTUSB_VALID_LE_STATES },
336 { USB_DEVICE(0x10ab, 0x9408), .driver_info = BTUSB_QCA_WCN6855 |
337 BTUSB_WIDEBAND_SPEECH |
338 BTUSB_VALID_LE_STATES },
339 { USB_DEVICE(0x10ab, 0x9508), .driver_info = BTUSB_QCA_WCN6855 |
340 BTUSB_WIDEBAND_SPEECH |
341 BTUSB_VALID_LE_STATES },
342 { USB_DEVICE(0x10ab, 0x9509), .driver_info = BTUSB_QCA_WCN6855 |
343 BTUSB_WIDEBAND_SPEECH |
344 BTUSB_VALID_LE_STATES },
345 { USB_DEVICE(0x10ab, 0x9608), .driver_info = BTUSB_QCA_WCN6855 |
346 BTUSB_WIDEBAND_SPEECH |
347 BTUSB_VALID_LE_STATES },
348 { USB_DEVICE(0x10ab, 0x9609), .driver_info = BTUSB_QCA_WCN6855 |
349 BTUSB_WIDEBAND_SPEECH |
350 BTUSB_VALID_LE_STATES },
351 { USB_DEVICE(0x10ab, 0x9f09), .driver_info = BTUSB_QCA_WCN6855 |
352 BTUSB_WIDEBAND_SPEECH |
353 BTUSB_VALID_LE_STATES },
354 { USB_DEVICE(0x04ca, 0x3022), .driver_info = BTUSB_QCA_WCN6855 |
355 BTUSB_WIDEBAND_SPEECH |
356 BTUSB_VALID_LE_STATES },
357 { USB_DEVICE(0x0489, 0xe0c7), .driver_info = BTUSB_QCA_WCN6855 |
358 BTUSB_WIDEBAND_SPEECH |
359 BTUSB_VALID_LE_STATES },
360 { USB_DEVICE(0x0489, 0xe0c9), .driver_info = BTUSB_QCA_WCN6855 |
361 BTUSB_WIDEBAND_SPEECH |
362 BTUSB_VALID_LE_STATES },
363 { USB_DEVICE(0x0489, 0xe0ca), .driver_info = BTUSB_QCA_WCN6855 |
364 BTUSB_WIDEBAND_SPEECH |
365 BTUSB_VALID_LE_STATES },
366 { USB_DEVICE(0x0489, 0xe0cb), .driver_info = BTUSB_QCA_WCN6855 |
367 BTUSB_WIDEBAND_SPEECH |
368 BTUSB_VALID_LE_STATES },
369 { USB_DEVICE(0x0489, 0xe0ce), .driver_info = BTUSB_QCA_WCN6855 |
370 BTUSB_WIDEBAND_SPEECH |
371 BTUSB_VALID_LE_STATES },
372 { USB_DEVICE(0x0489, 0xe0de), .driver_info = BTUSB_QCA_WCN6855 |
373 BTUSB_WIDEBAND_SPEECH |
374 BTUSB_VALID_LE_STATES },
375 { USB_DEVICE(0x0489, 0xe0df), .driver_info = BTUSB_QCA_WCN6855 |
376 BTUSB_WIDEBAND_SPEECH |
377 BTUSB_VALID_LE_STATES },
378 { USB_DEVICE(0x0489, 0xe0e1), .driver_info = BTUSB_QCA_WCN6855 |
379 BTUSB_WIDEBAND_SPEECH |
380 BTUSB_VALID_LE_STATES },
381 { USB_DEVICE(0x0489, 0xe0ea), .driver_info = BTUSB_QCA_WCN6855 |
382 BTUSB_WIDEBAND_SPEECH |
383 BTUSB_VALID_LE_STATES },
384 { USB_DEVICE(0x0489, 0xe0ec), .driver_info = BTUSB_QCA_WCN6855 |
385 BTUSB_WIDEBAND_SPEECH |
386 BTUSB_VALID_LE_STATES },
387 { USB_DEVICE(0x04ca, 0x3023), .driver_info = BTUSB_QCA_WCN6855 |
388 BTUSB_WIDEBAND_SPEECH |
389 BTUSB_VALID_LE_STATES },
390 { USB_DEVICE(0x04ca, 0x3024), .driver_info = BTUSB_QCA_WCN6855 |
391 BTUSB_WIDEBAND_SPEECH |
392 BTUSB_VALID_LE_STATES },
393 { USB_DEVICE(0x04ca, 0x3a22), .driver_info = BTUSB_QCA_WCN6855 |
394 BTUSB_WIDEBAND_SPEECH |
395 BTUSB_VALID_LE_STATES },
396 { USB_DEVICE(0x04ca, 0x3a24), .driver_info = BTUSB_QCA_WCN6855 |
397 BTUSB_WIDEBAND_SPEECH |
398 BTUSB_VALID_LE_STATES },
399 { USB_DEVICE(0x04ca, 0x3a26), .driver_info = BTUSB_QCA_WCN6855 |
400 BTUSB_WIDEBAND_SPEECH |
401 BTUSB_VALID_LE_STATES },
402 { USB_DEVICE(0x04ca, 0x3a27), .driver_info = BTUSB_QCA_WCN6855 |
403 BTUSB_WIDEBAND_SPEECH |
404 BTUSB_VALID_LE_STATES },
b40f58b9 405
46225947
ZH		 406 /* QCA WCN785x chipset */
407 { USB_DEVICE(0x0cf3, 0xe700), .driver_info = BTUSB_QCA_WCN6855 |
408 BTUSB_WIDEBAND_SPEECH |
409 BTUSB_VALID_LE_STATES },
410
cfeb4145 411 /* Broadcom BCM2035 */
7a9d4020 412 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
0b880062
AS		 413 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
414 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 415
416 /* Broadcom BCM2045 */
7a9d4020
MH		 417 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
418 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
bdbef3d6 419
cfeb4145 420 /* IBM/Lenovo ThinkPad with Broadcom chip */
7a9d4020
MH		 421 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
422 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 423
424 /* HP laptop with Broadcom chip */
7a9d4020 425 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 426
427 /* Dell laptop with Broadcom chip */
7a9d4020 428 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 429
5ddd4a60 430 /* Dell Wireless 370 and 410 devices */
7a9d4020 431 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
5ddd4a60 432 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 433
7a9d4020
MH		 434 /* Belkin F8T012 and F8T013 devices */
435 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
436 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 437
5ddd4a60
MH		 438 /* Asus WL-BTD202 device */
439 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
440
441 /* Kensington Bluetooth USB adapter */
442 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
443
cfeb4145
MH		 444 /* RTX Telecom based adapters with buggy SCO support */
445 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
446 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
447
448 /* CONWISE Technology based adapters with buggy SCO support */
418678b0
SJ		 449 { USB_DEVICE(0x0e5e, 0x6622),
450 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
cfeb4145 451
4fcef8ed 452 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
2eeac871 453 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
4fcef8ed 454
cfeb4145
MH		 455 /* Digianswer devices */
456 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
457 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
458
459 /* CSR BlueCore Bluetooth Sniffer */
4f64fa80
MH		 460 { USB_DEVICE(0x0a12, 0x0002),
461 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145
MH		 462
463 /* Frontline ComProbe Bluetooth Sniffer */
4f64fa80
MH		 464 { USB_DEVICE(0x16d3, 0x0002),
465 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145 466
cb1ee89f
MH		 467 /* Marvell Bluetooth devices */
468 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
469 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
1165df0e 470 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
cb1ee89f 471
d0ac9eb7 472 /* Intel Bluetooth devices */
3df4dfbe
THJA		 473 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_COMBINED },
474 { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_COMBINED },
475 { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_COMBINED },
476 { USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_COMBINED },
477 { USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_COMBINED },
2ca57c80 478 { USB_DEVICE(0x8087, 0x0035), .driver_info = BTUSB_INTEL_COMBINED },
999a8a6b 479 { USB_DEVICE(0x8087, 0x0036), .driver_info = BTUSB_INTEL_COMBINED },
a97258db 480 { USB_DEVICE(0x8087, 0x0038), .driver_info = BTUSB_INTEL_COMBINED },
407550fe 481 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
ea7c4c0e 482 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL_COMBINED |
55235304 483 BTUSB_INTEL_NO_WBS_SUPPORT |
95655456
THJA		 484 BTUSB_INTEL_BROKEN_INITIAL_NCMD |
485 BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
486 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL_COMBINED |
55235304 487 BTUSB_INTEL_NO_WBS_SUPPORT |
95655456 488 BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
3df4dfbe 489 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_COMBINED },
95655456
THJA		 490 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL_COMBINED |
491 BTUSB_INTEL_BROKEN_SHUTDOWN_LED },
3df4dfbe 492 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_COMBINED },
dffd30ee 493
d0ac9eb7
MH		 494 /* Other Intel Bluetooth devices */
495 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
496 .driver_info = BTUSB_IGNORE },
ae8df494 497
1eec3b95
MC		 498 /* Realtek 8821CE Bluetooth devices */
499 { USB_DEVICE(0x13d3, 0x3529), .driver_info = BTUSB_REALTEK |
500 BTUSB_WIDEBAND_SPEECH },
501
33bfd94a
JH		 502 /* Realtek 8822CE Bluetooth devices */
503 { USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK |
4d96d3b0
LF		 504 BTUSB_WIDEBAND_SPEECH },
505 { USB_DEVICE(0x0bda, 0xc822), .driver_info = BTUSB_REALTEK |
33bfd94a
JH		 506 BTUSB_WIDEBAND_SPEECH },
507
6d0a4fe2
GL		 508 /* Realtek 8822CU Bluetooth devices */
509 { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK |
510 BTUSB_WIDEBAND_SPEECH },
511
0d484db6 512 /* Realtek 8852AE Bluetooth devices */
2e7b4a32
LF		 513 { USB_DEVICE(0x0bda, 0x2852), .driver_info = BTUSB_REALTEK |
514 BTUSB_WIDEBAND_SPEECH },
0d484db6
MC		 515 { USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK |
516 BTUSB_WIDEBAND_SPEECH },
27fe097b
LF		 517 { USB_DEVICE(0x0bda, 0x385a), .driver_info = BTUSB_REALTEK |
518 BTUSB_WIDEBAND_SPEECH },
d1dcbf61
LF		 519 { USB_DEVICE(0x0bda, 0x4852), .driver_info = BTUSB_REALTEK |
520 BTUSB_WIDEBAND_SPEECH },
9bba1286
MC		 521 { USB_DEVICE(0x04c5, 0x165c), .driver_info = BTUSB_REALTEK |
522 BTUSB_WIDEBAND_SPEECH },
d1dcbf61
LF		 523 { USB_DEVICE(0x04ca, 0x4006), .driver_info = BTUSB_REALTEK |
524 BTUSB_WIDEBAND_SPEECH },
a0476f6a
LF		 525 { USB_DEVICE(0x0cb8, 0xc549), .driver_info = BTUSB_REALTEK |
526 BTUSB_WIDEBAND_SPEECH },
0d484db6 527
c379c96c
HW		 528 /* Realtek 8852CE Bluetooth devices */
529 { USB_DEVICE(0x04ca, 0x4007), .driver_info = BTUSB_REALTEK |
530 BTUSB_WIDEBAND_SPEECH },
893fa8bc
HW		 531 { USB_DEVICE(0x04c5, 0x1675), .driver_info = BTUSB_REALTEK |
532 BTUSB_WIDEBAND_SPEECH },
5b75ee37
HW		 533 { USB_DEVICE(0x0cb8, 0xc558), .driver_info = BTUSB_REALTEK |
534 BTUSB_WIDEBAND_SPEECH },
8f0054dd
HW		 535 { USB_DEVICE(0x13d3, 0x3587), .driver_info = BTUSB_REALTEK |
536 BTUSB_WIDEBAND_SPEECH },
6ad353df
HW		 537 { USB_DEVICE(0x13d3, 0x3586), .driver_info = BTUSB_REALTEK |
538 BTUSB_WIDEBAND_SPEECH },
c4ba5800
MC		 539 { USB_DEVICE(0x13d3, 0x3592), .driver_info = BTUSB_REALTEK |
540 BTUSB_WIDEBAND_SPEECH },
c379c96c 541
393b4916
AL		 542 /* Realtek 8852BE Bluetooth devices */
543 { USB_DEVICE(0x0cb8, 0xc559), .driver_info = BTUSB_REALTEK |
544 BTUSB_WIDEBAND_SPEECH },
730a1d1a
LF		 545 { USB_DEVICE(0x0bda, 0x887b), .driver_info = BTUSB_REALTEK |
546 BTUSB_WIDEBAND_SPEECH },
da06ff1f
GW		 547 { USB_DEVICE(0x0bda, 0xb85b), .driver_info = BTUSB_REALTEK |
548 BTUSB_WIDEBAND_SPEECH },
02be109d
MR		 549 { USB_DEVICE(0x13d3, 0x3570), .driver_info = BTUSB_REALTEK |
550 BTUSB_WIDEBAND_SPEECH },
069f5342
LF		 551 { USB_DEVICE(0x13d3, 0x3571), .driver_info = BTUSB_REALTEK |
552 BTUSB_WIDEBAND_SPEECH },
393b4916 553
a2698a9b
DD		 554 /* Realtek Bluetooth devices */
555 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
556 .driver_info = BTUSB_REALTEK },
557
a1c49c43
SW		 558 /* MediaTek Bluetooth devices */
559 { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),
27e554a4 560 .driver_info = BTUSB_MEDIATEK |
561 BTUSB_WIDEBAND_SPEECH |
562 BTUSB_VALID_LE_STATES },
a1c49c43 563
3a567b95
CC		 564 /* Additional MediaTek MT7615E Bluetooth devices */
565 { USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK},
566
467e98cd
PD		 567 /* Additional MediaTek MT7663 Bluetooth devices */
568 { USB_DEVICE(0x043e, 0x310c), .driver_info = BTUSB_MEDIATEK |
569 BTUSB_WIDEBAND_SPEECH |
570 BTUSB_VALID_LE_STATES },
13209415
MT		 571 { USB_DEVICE(0x04ca, 0x3801), .driver_info = BTUSB_MEDIATEK |
572 BTUSB_WIDEBAND_SPEECH |
573 BTUSB_VALID_LE_STATES },
467e98cd 574
37356827
FC		 575 /* Additional MediaTek MT7668 Bluetooth devices */
576 { USB_DEVICE(0x043e, 0x3109), .driver_info = BTUSB_MEDIATEK |
577 BTUSB_WIDEBAND_SPEECH |
578 BTUSB_VALID_LE_STATES },
579
393dc5d1 580 /* Additional MediaTek MT7921 Bluetooth devices */
23fcb27b
SW		 581 { USB_DEVICE(0x0489, 0xe0c8), .driver_info = BTUSB_MEDIATEK |
582 BTUSB_WIDEBAND_SPEECH |
583 BTUSB_VALID_LE_STATES },
7ac7267f
F		 584 { USB_DEVICE(0x0489, 0xe0e0), .driver_info = BTUSB_MEDIATEK |
585 BTUSB_WIDEBAND_SPEECH |
586 BTUSB_VALID_LE_STATES },
83458a5f
ML		 587 { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK |
588 BTUSB_WIDEBAND_SPEECH |
589 BTUSB_VALID_LE_STATES },
393dc5d1 590 { USB_DEVICE(0x04ca, 0x3802), .driver_info = BTUSB_MEDIATEK |
591 BTUSB_WIDEBAND_SPEECH |
592 BTUSB_VALID_LE_STATES },
2cdff8ca
WPVW		 593 { USB_DEVICE(0x13d3, 0x3563), .driver_info = BTUSB_MEDIATEK |
594 BTUSB_WIDEBAND_SPEECH |
595 BTUSB_VALID_LE_STATES },
15957cab 596 { USB_DEVICE(0x13d3, 0x3564), .driver_info = BTUSB_MEDIATEK |
597 BTUSB_WIDEBAND_SPEECH |
598 BTUSB_VALID_LE_STATES },
c5e25bb5
YY		 599 { USB_DEVICE(0x13d3, 0x3567), .driver_info = BTUSB_MEDIATEK |
600 BTUSB_WIDEBAND_SPEECH |
601 BTUSB_VALID_LE_STATES },
a614ee94
CL		 602 { USB_DEVICE(0x13d3, 0x3578), .driver_info = BTUSB_MEDIATEK |
603 BTUSB_WIDEBAND_SPEECH |
604 BTUSB_VALID_LE_STATES },
f0ad26ee
SW		 605 { USB_DEVICE(0x13d3, 0x3583), .driver_info = BTUSB_MEDIATEK |
606 BTUSB_WIDEBAND_SPEECH |
607 BTUSB_VALID_LE_STATES },
64832df2
AM		 608 { USB_DEVICE(0x0489, 0xe0cd), .driver_info = BTUSB_MEDIATEK |
609 BTUSB_WIDEBAND_SPEECH |
610 BTUSB_VALID_LE_STATES },
be55622c
DG		 611 { USB_DEVICE(0x0e8d, 0x0608), .driver_info = BTUSB_MEDIATEK |
612 BTUSB_WIDEBAND_SPEECH |
613 BTUSB_VALID_LE_STATES },
393dc5d1 614
69326274
AM		 615 /* MediaTek MT7922A Bluetooth devices */
616 { USB_DEVICE(0x0489, 0xe0d8), .driver_info = BTUSB_MEDIATEK |
617 BTUSB_WIDEBAND_SPEECH |
618 BTUSB_VALID_LE_STATES },
619 { USB_DEVICE(0x0489, 0xe0d9), .driver_info = BTUSB_MEDIATEK |
620 BTUSB_WIDEBAND_SPEECH |
621 BTUSB_VALID_LE_STATES },
fa01eba1
MA		 622 { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK |
623 BTUSB_WIDEBAND_SPEECH |
624 BTUSB_VALID_LE_STATES },
c69ecb0e
AM		 625 { USB_DEVICE(0x13d3, 0x3568), .driver_info = BTUSB_MEDIATEK |
626 BTUSB_WIDEBAND_SPEECH |
627 BTUSB_VALID_LE_STATES },
57117d72
HW		 628 { USB_DEVICE(0x0489, 0xe0e2), .driver_info = BTUSB_MEDIATEK |
629 BTUSB_WIDEBAND_SPEECH |
630 BTUSB_VALID_LE_STATES },
125ede3a
MT		 631 { USB_DEVICE(0x0489, 0xe0e4), .driver_info = BTUSB_MEDIATEK |
632 BTUSB_WIDEBAND_SPEECH |
633 BTUSB_VALID_LE_STATES },
0cefdaed
RG		 634 { USB_DEVICE(0x0489, 0xe0f1), .driver_info = BTUSB_MEDIATEK |
635 BTUSB_WIDEBAND_SPEECH |
636 BTUSB_VALID_LE_STATES },
13fcc94d
AC		 637 { USB_DEVICE(0x0489, 0xe0f2), .driver_info = BTUSB_MEDIATEK |
638 BTUSB_WIDEBAND_SPEECH |
639 BTUSB_VALID_LE_STATES },
e160a8f4
VD		 640 { USB_DEVICE(0x0489, 0xe0f5), .driver_info = BTUSB_MEDIATEK |
641 BTUSB_WIDEBAND_SPEECH |
642 BTUSB_VALID_LE_STATES },
b6cfa1c2
CL		 643 { USB_DEVICE(0x0489, 0xe0f6), .driver_info = BTUSB_MEDIATEK |
644 BTUSB_WIDEBAND_SPEECH |
645 BTUSB_VALID_LE_STATES },
bf809efd
CL		 646 { USB_DEVICE(0x0489, 0xe102), .driver_info = BTUSB_MEDIATEK |
647 BTUSB_WIDEBAND_SPEECH |
648 BTUSB_VALID_LE_STATES },
59be4be8
CL		 649 { USB_DEVICE(0x04ca, 0x3804), .driver_info = BTUSB_MEDIATEK |
650 BTUSB_WIDEBAND_SPEECH |
651 BTUSB_VALID_LE_STATES },
00b1c3c4
JW		 652 { USB_DEVICE(0x35f5, 0x7922), .driver_info = BTUSB_MEDIATEK |
653 BTUSB_WIDEBAND_SPEECH |
654 BTUSB_VALID_LE_STATES },
69326274 655
a2698a9b
DD		 656 /* Additional Realtek 8723AE Bluetooth devices */
657 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
658 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
659
660 /* Additional Realtek 8723BE Bluetooth devices */
661 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
662 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
cc68a041 663 { USB_DEVICE(0x04f2, 0xb49f), .driver_info = BTUSB_REALTEK },
a2698a9b
DD		 664 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
665 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
666 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
a81d72d2 667 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
a2698a9b 668
a41e0796
VB		 669 /* Additional Realtek 8723BU Bluetooth devices */
670 { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK },
671
66d9975c 672 /* Additional Realtek 8723DE Bluetooth devices */
45ae68b8 673 { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
66d9975c
JHP		 674 { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
675
d8daa399 676 /* Additional Realtek 8761BUV Bluetooth devices */
4fd6d490
NF		 677 { USB_DEVICE(0x2357, 0x0604), .driver_info = BTUSB_REALTEK |
678 BTUSB_WIDEBAND_SPEECH },
33404381
JT		 679 { USB_DEVICE(0x0b05, 0x190e), .driver_info = BTUSB_REALTEK |
680 BTUSB_WIDEBAND_SPEECH },
6dfbe29f
HG		 681 { USB_DEVICE(0x2550, 0x8761), .driver_info = BTUSB_REALTEK |
682 BTUSB_WIDEBAND_SPEECH },
c77a592b
IL		 683 { USB_DEVICE(0x0bda, 0x8771), .driver_info = BTUSB_REALTEK |
684 BTUSB_WIDEBAND_SPEECH },
022b6101
DG		 685 { USB_DEVICE(0x6655, 0x8771), .driver_info = BTUSB_REALTEK |
686 BTUSB_WIDEBAND_SPEECH },
c7577014
SS		 687 { USB_DEVICE(0x7392, 0xc611), .driver_info = BTUSB_REALTEK |
688 BTUSB_WIDEBAND_SPEECH },
ac09bb3f
RV		 689 { USB_DEVICE(0x2b89, 0x8761), .driver_info = BTUSB_REALTEK |
690 BTUSB_WIDEBAND_SPEECH },
c77a592b 691
a2698a9b
DD		 692 /* Additional Realtek 8821AE Bluetooth devices */
693 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
694 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
695 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
696 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
697 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
698
fed03fe7 699 /* Additional Realtek 8822BE Bluetooth devices */
1cd2fabf 700 { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK },
fed03fe7
LF		 701 { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK },
702
6d0762b1 703 /* Additional Realtek 8822CE Bluetooth devices */
73280f13
MC		 704 { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK |
705 BTUSB_WIDEBAND_SPEECH },
706 { USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK |
707 BTUSB_WIDEBAND_SPEECH },
708 { USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK |
709 BTUSB_WIDEBAND_SPEECH },
710 { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK |
711 BTUSB_WIDEBAND_SPEECH },
712 { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK |
713 BTUSB_WIDEBAND_SPEECH },
714 { USB_DEVICE(0x13d3, 0x3553), .driver_info = BTUSB_REALTEK |
715 BTUSB_WIDEBAND_SPEECH },
716 { USB_DEVICE(0x13d3, 0x3555), .driver_info = BTUSB_REALTEK |
717 BTUSB_WIDEBAND_SPEECH },
718 { USB_DEVICE(0x2ff8, 0x3051), .driver_info = BTUSB_REALTEK |
719 BTUSB_WIDEBAND_SPEECH },
f496297e
JP		 720 { USB_DEVICE(0x1358, 0xc123), .driver_info = BTUSB_REALTEK |
721 BTUSB_WIDEBAND_SPEECH },
24d6a6d2
CW		 722 { USB_DEVICE(0x0bda, 0xc123), .driver_info = BTUSB_REALTEK |
723 BTUSB_WIDEBAND_SPEECH },
3edc5782
RM		 724 { USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK |
725 BTUSB_WIDEBAND_SPEECH },
6d0762b1 726
5d44f76f
MH		 727 /* Actions Semiconductor ATS2851 based devices */
728 { USB_DEVICE(0x10d7, 0xb012), .driver_info = BTUSB_ACTIONS_SEMI },
729
4481c076
PP		 730 /* Silicon Wave based devices */
731 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
732
5e23b923
MH		 733 { } /* Terminating entry */
734};
735
1fdb9269
HG		 736/* The Bluetooth USB module build into some devices needs to be reset on resume,
737 * this is a problem with the platform (likely shutting off all power) not with
738 * the module itself. So we use a DMI list to match known broken platforms.
739 */
740static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
741 {
0c6e5266 742 /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */
1fdb9269 743 .matches = {
0c6e5266
KHF		 744 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
745 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"),
1fdb9269
HG		 746 },
747 },
596b07a9
HG		 748 {
749 /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */
750 .matches = {
751 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
752 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"),
753 },
754 },
939bc6c5
HG		 755 {
756 /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */
757 .matches = {
758 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
759 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"),
760 },
761 },
1fdb9269
HG		 762 {}
763};
764
20981ce2
TJ		 765struct qca_dump_info {
766 /* fields for dump collection */
767 u16 id_vendor;
768 u16 id_product;
769 u32 fw_version;
770 u32 controller_id;
771 u32 ram_dump_size;
772 u16 ram_dump_seqno;
773};
774
9bfa35fe
MH		 775#define BTUSB_MAX_ISOC_FRAMES 10
776
5e23b923
MH		 777#define BTUSB_INTR_RUNNING 0
778#define BTUSB_BULK_RUNNING 1
9bfa35fe 779#define BTUSB_ISOC_RUNNING 2
7bee549e 780#define BTUSB_SUSPENDING 3
08b8b6c4 781#define BTUSB_DID_ISO_RESUME 4
cda0dd78
MH		 782#define BTUSB_BOOTLOADER 5
783#define BTUSB_DOWNLOADING 6
ce6bb929 784#define BTUSB_FIRMWARE_LOADED 7
cda0dd78 785#define BTUSB_FIRMWARE_FAILED 8
ce6bb929 786#define BTUSB_BOOTING 9
61f5acea
HG		 787#define BTUSB_DIAG_RUNNING 10
788#define BTUSB_OOB_WAKE_ENABLED 11
dc786b2c 789#define BTUSB_HW_RESET_ACTIVE 12
a1c49c43 790#define BTUSB_TX_WAIT_VND_EVT 13
8274db07 791#define BTUSB_WAKEUP_AUTOSUSPEND 14
55981d35 792#define BTUSB_USE_ALT3_FOR_WBS 15
a479e713 793#define BTUSB_ALT6_CONTINUOUS_TX 16
20981ce2 794#define BTUSB_HW_SSR_ACTIVE 17
5e23b923
MH		 795
796struct btusb_data {
797 struct hci_dev *hdev;
798 struct usb_device *udev;
5fbcd260 799 struct usb_interface *intf;
9bfa35fe 800 struct usb_interface *isoc;
9d08f504 801 struct usb_interface *diag;
459232fc 802 unsigned isoc_ifnum;
5e23b923 803
5e23b923
MH		 804 unsigned long flags;
805
800fe5ec
LAD		 806 bool poll_sync;
807 int intr_interval;
808 struct work_struct work;
809 struct work_struct waker;
810 struct delayed_work rx_work;
811
812 struct sk_buff_head acl_q;
5e23b923 813
803b5836 814 struct usb_anchor deferred;
5e23b923 815 struct usb_anchor tx_anchor;
803b5836
MH		 816 int tx_in_flight;
817 spinlock_t txlock;
818
5e23b923
MH		 819 struct usb_anchor intr_anchor;
820 struct usb_anchor bulk_anchor;
9bfa35fe 821 struct usb_anchor isoc_anchor;
9d08f504 822 struct usb_anchor diag_anchor;
a1c49c43 823 struct usb_anchor ctrl_anchor;
803b5836
MH		 824 spinlock_t rxlock;
825
826 struct sk_buff *evt_skb;
827 struct sk_buff *acl_skb;
828 struct sk_buff *sco_skb;
5e23b923
MH		 829
830 struct usb_endpoint_descriptor *intr_ep;
831 struct usb_endpoint_descriptor *bulk_tx_ep;
832 struct usb_endpoint_descriptor *bulk_rx_ep;
9bfa35fe
MH		 833 struct usb_endpoint_descriptor *isoc_tx_ep;
834 struct usb_endpoint_descriptor *isoc_rx_ep;
9d08f504
MH		 835 struct usb_endpoint_descriptor *diag_tx_ep;
836 struct usb_endpoint_descriptor *diag_rx_ep;
9bfa35fe 837
dc786b2c
RJ		 838 struct gpio_desc *reset_gpio;
839
7a9d4020 840 __u8 cmdreq_type;
893ba544 841 __u8 cmdreq;
7a9d4020 842
43c2e57f 843 unsigned int sco_num;
baac6276
SN		 844 unsigned int air_mode;
845 bool usb_alt6_packet_flow;
9bfa35fe 846 int isoc_altsetting;
6a88adf2 847 int suspend_count;
2cbd3f5c 848
97307f51 849 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
0b10c8c8 850 int (*recv_acl)(struct hci_dev *hdev, struct sk_buff *skb);
2cbd3f5c 851 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
ace31982
KBYT		 852
853 int (*setup_on_usb)(struct hci_dev *hdev);
fd913ef7
RJ		 854
855 int oob_wake_irq; /* irq for out-of-band wake-on-bt */
dc786b2c 856 unsigned cmd_timeout_cnt;
20981ce2
TJ		 857
858 struct qca_dump_info qca_dump;
5e23b923
MH		 859};
860
c9209b26
AP		 861static void btusb_reset(struct hci_dev *hdev)
862{
863 struct btusb_data *data;
864 int err;
865
866 if (hdev->reset) {
867 hdev->reset(hdev);
868 return;
869 }
870
871 data = hci_get_drvdata(hdev);
872 /* This is not an unbalanced PM reference since the device will reset */
873 err = usb_autopm_get_interface(data->intf);
874 if (err) {
875 bt_dev_err(hdev, "Failed usb_autopm_get_interface: %d", err);
876 return;
877 }
878
879 bt_dev_err(hdev, "Resetting usb device.");
880 usb_queue_reset_device(data->intf);
881}
882
dc786b2c
RJ		 883static void btusb_intel_cmd_timeout(struct hci_dev *hdev)
884{
885 struct btusb_data *data = hci_get_drvdata(hdev);
886 struct gpio_desc *reset_gpio = data->reset_gpio;
8f0a3786 887 struct btintel_data *intel_data = hci_get_priv(hdev);
dc786b2c
RJ		 888
889 if (++data->cmd_timeout_cnt < 5)
890 return;
891
8f0a3786
K		 892 if (intel_data->acpi_reset_method) {
893 if (test_and_set_bit(INTEL_ACPI_RESET_ACTIVE, intel_data->flags)) {
894 bt_dev_err(hdev, "acpi: last reset failed ? Not resetting again");
895 return;
896 }
897
898 bt_dev_err(hdev, "Initiating acpi reset method");
899 /* If ACPI reset method fails, lets try with legacy GPIO
900 * toggling
901 */
902 if (!intel_data->acpi_reset_method(hdev)) {
903 return;
904 }
905 }
906
dc786b2c 907 if (!reset_gpio) {
c9209b26 908 btusb_reset(hdev);
dc786b2c
RJ		 909 return;
910 }
911
912 /*
913 * Toggle the hard reset line if the platform provides one. The reset
914 * is going to yank the device off the USB and then replug. So doing
915 * once is enough. The cleanup is handled correctly on the way out
916 * (standard USB disconnect), and the new device is detected cleanly
917 * and bound to the driver again like it should be.
918 */
919 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
920 bt_dev_err(hdev, "last reset failed? Not resetting again");
921 return;
922 }
923
924 bt_dev_err(hdev, "Initiating HW reset via gpio");
2de66bb8
RJ		 925 gpiod_set_value_cansleep(reset_gpio, 1);
926 msleep(100);
927 gpiod_set_value_cansleep(reset_gpio, 0);
dc786b2c
RJ		 928}
929
044014ce
HW		 930#define RTK_DEVCOREDUMP_CODE_MEMDUMP 0x01
931#define RTK_DEVCOREDUMP_CODE_HW_ERR 0x02
932#define RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT 0x03
933
934#define RTK_SUB_EVENT_CODE_COREDUMP 0x34
935
936struct rtk_dev_coredump_hdr {
937 u8 type;
938 u8 code;
939 u8 reserved[2];
940} __packed;
941
942static inline void btusb_rtl_alloc_devcoredump(struct hci_dev *hdev,
943 struct rtk_dev_coredump_hdr *hdr, u8 *buf, u32 len)
944{
945 struct sk_buff *skb;
946
947 skb = alloc_skb(len + sizeof(*hdr), GFP_ATOMIC);
948 if (!skb)
949 return;
950
951 skb_put_data(skb, hdr, sizeof(*hdr));
952 if (len)
953 skb_put_data(skb, buf, len);
954
955 if (!hci_devcd_init(hdev, skb->len)) {
956 hci_devcd_append(hdev, skb);
957 hci_devcd_complete(hdev);
958 } else {
959 bt_dev_err(hdev, "RTL: Failed to generate devcoredump");
960 kfree_skb(skb);
961 }
962}
963
d7ef0d1e
AL		 964static void btusb_rtl_cmd_timeout(struct hci_dev *hdev)
965{
966 struct btusb_data *data = hci_get_drvdata(hdev);
967 struct gpio_desc *reset_gpio = data->reset_gpio;
044014ce
HW		 968 struct rtk_dev_coredump_hdr hdr = {
969 .type = RTK_DEVCOREDUMP_CODE_CMD_TIMEOUT,
970 };
971
972 btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0);
d7ef0d1e
AL		 973
974 if (++data->cmd_timeout_cnt < 5)
975 return;
976
977 if (!reset_gpio) {
c9209b26 978 btusb_reset(hdev);
d7ef0d1e
AL		 979 return;
980 }
981
982 /* Toggle the hard reset line. The Realtek device is going to
983 * yank itself off the USB and then replug. The cleanup is handled
984 * correctly on the way out (standard USB disconnect), and the new
985 * device is detected cleanly and bound to the driver again like
986 * it should be.
987 */
988 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
989 bt_dev_err(hdev, "last reset failed? Not resetting again");
990 return;
991 }
992
993 bt_dev_err(hdev, "Reset Realtek device via gpio");
d7ef0d1e 994 gpiod_set_value_cansleep(reset_gpio, 1);
34682110
MC		 995 msleep(200);
996 gpiod_set_value_cansleep(reset_gpio, 0);
d7ef0d1e
AL		 997}
998
044014ce
HW		 999static void btusb_rtl_hw_error(struct hci_dev *hdev, u8 code)
1000{
1001 struct rtk_dev_coredump_hdr hdr = {
1002 .type = RTK_DEVCOREDUMP_CODE_HW_ERR,
1003 .code = code,
1004 };
1005
1006 bt_dev_err(hdev, "RTL: hw err, trigger devcoredump (%d)", code);
1007
1008 btusb_rtl_alloc_devcoredump(hdev, &hdr, NULL, 0);
1009}
1010
6933568a
APS		 1011static void btusb_qca_cmd_timeout(struct hci_dev *hdev)
1012{
1013 struct btusb_data *data = hci_get_drvdata(hdev);
24ff62ae 1014 struct gpio_desc *reset_gpio = data->reset_gpio;
6933568a 1015
20981ce2
TJ		 1016 if (test_bit(BTUSB_HW_SSR_ACTIVE, &data->flags)) {
1017 bt_dev_info(hdev, "Ramdump in progress, defer cmd_timeout");
1018 return;
1019 }
1020
6933568a
APS		 1021 if (++data->cmd_timeout_cnt < 5)
1022 return;
1023
24ff62ae 1024 if (reset_gpio) {
1025 bt_dev_err(hdev, "Reset qca device via bt_en gpio");
1026
1027 /* Toggle the hard reset line. The qca bt device is going to
1028 * yank itself off the USB and then replug. The cleanup is handled
1029 * correctly on the way out (standard USB disconnect), and the new
1030 * device is detected cleanly and bound to the driver again like
1031 * it should be.
1032 */
1033 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
1034 bt_dev_err(hdev, "last reset failed? Not resetting again");
1035 return;
1036 }
1037
1038 gpiod_set_value_cansleep(reset_gpio, 0);
1039 msleep(200);
1040 gpiod_set_value_cansleep(reset_gpio, 1);
1041
1042 return;
1043 }
1044
c9209b26 1045 btusb_reset(hdev);
6933568a
APS		 1046}
1047
803b5836
MH		 1048static inline void btusb_free_frags(struct btusb_data *data)
1049{
1050 unsigned long flags;
1051
1052 spin_lock_irqsave(&data->rxlock, flags);
1053
b15a6bd3 1054 dev_kfree_skb_irq(data->evt_skb);
803b5836
MH		 1055 data->evt_skb = NULL;
1056
b15a6bd3 1057 dev_kfree_skb_irq(data->acl_skb);
803b5836
MH		 1058 data->acl_skb = NULL;
1059
b15a6bd3 1060 dev_kfree_skb_irq(data->sco_skb);
803b5836
MH		 1061 data->sco_skb = NULL;
1062
1063 spin_unlock_irqrestore(&data->rxlock, flags);
1064}
1065
800fe5ec
LAD		 1066static int btusb_recv_event(struct btusb_data *data, struct sk_buff *skb)
1067{
1068 if (data->intr_interval) {
1069 /* Trigger dequeue immediatelly if an event is received */
1070 schedule_delayed_work(&data->rx_work, 0);
1071 }
1072
1073 return data->recv_event(data->hdev, skb);
1074}
1075
1ffa4ad0
MH		 1076static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
1077{
803b5836 1078 struct sk_buff *skb;
a5e50d5b 1079 unsigned long flags;
803b5836
MH		 1080 int err = 0;
1081
a5e50d5b 1082 spin_lock_irqsave(&data->rxlock, flags);
803b5836
MH		 1083 skb = data->evt_skb;
1084
1085 while (count) {
1086 int len;
1087
1088 if (!skb) {
1089 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
1090 if (!skb) {
1091 err = -ENOMEM;
1092 break;
1093 }
1094
618e8bc2
MH		 1095 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
1096 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
803b5836
MH		 1097 }
1098
618e8bc2 1099 len = min_t(uint, hci_skb_expect(skb), count);
59ae1d12 1100 skb_put_data(skb, buffer, len);
803b5836
MH		 1101
1102 count -= len;
1103 buffer += len;
618e8bc2 1104 hci_skb_expect(skb) -= len;
803b5836
MH		 1105
1106 if (skb->len == HCI_EVENT_HDR_SIZE) {
1107 /* Complete event header */
618e8bc2 1108 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
803b5836 1109
618e8bc2 1110 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 1111 kfree_skb(skb);
1112 skb = NULL;
1113
1114 err = -EILSEQ;
1115 break;
1116 }
1117 }
1118
618e8bc2 1119 if (!hci_skb_expect(skb)) {
803b5836 1120 /* Complete frame */
800fe5ec 1121 btusb_recv_event(data, skb);
803b5836
MH		 1122 skb = NULL;
1123 }
1124 }
1125
1126 data->evt_skb = skb;
a5e50d5b 1127 spin_unlock_irqrestore(&data->rxlock, flags);
803b5836
MH		 1128
1129 return err;
1ffa4ad0
MH		 1130}
1131
800fe5ec
LAD		 1132static int btusb_recv_acl(struct btusb_data *data, struct sk_buff *skb)
1133{
1134 /* Only queue ACL packet if intr_interval is set as it means
1135 * force_poll_sync has been enabled.
1136 */
1137 if (!data->intr_interval)
1138 return data->recv_acl(data->hdev, skb);
1139
1140 skb_queue_tail(&data->acl_q, skb);
1141 schedule_delayed_work(&data->rx_work, data->intr_interval);
1142
1143 return 0;
1144}
1145
1ffa4ad0
MH		 1146static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
1147{
803b5836 1148 struct sk_buff *skb;
a5e50d5b 1149 unsigned long flags;
803b5836
MH		 1150 int err = 0;
1151
a5e50d5b 1152 spin_lock_irqsave(&data->rxlock, flags);
803b5836
MH		 1153 skb = data->acl_skb;
1154
1155 while (count) {
1156 int len;
1157
1158 if (!skb) {
1159 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
1160 if (!skb) {
1161 err = -ENOMEM;
1162 break;
1163 }
1164
618e8bc2
MH		 1165 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
1166 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
803b5836
MH		 1167 }
1168
618e8bc2 1169 len = min_t(uint, hci_skb_expect(skb), count);
59ae1d12 1170 skb_put_data(skb, buffer, len);
803b5836
MH		 1171
1172 count -= len;
1173 buffer += len;
618e8bc2 1174 hci_skb_expect(skb) -= len;
803b5836
MH		 1175
1176 if (skb->len == HCI_ACL_HDR_SIZE) {
1177 __le16 dlen = hci_acl_hdr(skb)->dlen;
1178
1179 /* Complete ACL header */
618e8bc2 1180 hci_skb_expect(skb) = __le16_to_cpu(dlen);
803b5836 1181
618e8bc2 1182 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 1183 kfree_skb(skb);
1184 skb = NULL;
1185
1186 err = -EILSEQ;
1187 break;
1188 }
1189 }
1190
618e8bc2 1191 if (!hci_skb_expect(skb)) {
803b5836 1192 /* Complete frame */
800fe5ec 1193 btusb_recv_acl(data, skb);
803b5836
MH		 1194 skb = NULL;
1195 }
1196 }
1197
1198 data->acl_skb = skb;
a5e50d5b 1199 spin_unlock_irqrestore(&data->rxlock, flags);
803b5836
MH		 1200
1201 return err;
1ffa4ad0
MH		 1202}
1203
b3fdb8c9
NC		 1204static bool btusb_validate_sco_handle(struct hci_dev *hdev,
1205 struct hci_sco_hdr *hdr)
1206{
1207 __u16 handle;
1208
1209 if (hci_dev_test_flag(hdev, HCI_USER_CHANNEL))
1210 // Can't validate, userspace controls everything.
1211 return true;
1212
1213 /*
1214 * USB isochronous transfers are not designed to be reliable and may
1215 * lose fragments. When this happens, the next first fragment
1216 * encountered might actually be a continuation fragment.
1217 * Validate the handle to detect it and drop it, or else the upper
1218 * layer will get garbage for a while.
1219 */
1220
1221 handle = hci_handle(__le16_to_cpu(hdr->handle));
1222
1223 switch (hci_conn_lookup_type(hdev, handle)) {
1224 case SCO_LINK:
1225 case ESCO_LINK:
1226 return true;
1227 default:
1228 return false;
1229 }
1230}
1231
1ffa4ad0
MH		 1232static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
1233{
803b5836 1234 struct sk_buff *skb;
a5e50d5b 1235 unsigned long flags;
803b5836
MH		 1236 int err = 0;
1237
a5e50d5b 1238 spin_lock_irqsave(&data->rxlock, flags);
803b5836
MH		 1239 skb = data->sco_skb;
1240
1241 while (count) {
1242 int len;
1243
1244 if (!skb) {
1245 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
1246 if (!skb) {
1247 err = -ENOMEM;
1248 break;
1249 }
1250
618e8bc2
MH		 1251 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
1252 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
803b5836
MH		 1253 }
1254
618e8bc2 1255 len = min_t(uint, hci_skb_expect(skb), count);
59ae1d12 1256 skb_put_data(skb, buffer, len);
803b5836
MH		 1257
1258 count -= len;
1259 buffer += len;
618e8bc2 1260 hci_skb_expect(skb) -= len;
803b5836
MH		 1261
1262 if (skb->len == HCI_SCO_HDR_SIZE) {
1263 /* Complete SCO header */
b3fdb8c9 1264 struct hci_sco_hdr *hdr = hci_sco_hdr(skb);
803b5836 1265
b3fdb8c9
NC		 1266 hci_skb_expect(skb) = hdr->dlen;
1267
1268 if (skb_tailroom(skb) < hci_skb_expect(skb) ||
1269 !btusb_validate_sco_handle(data->hdev, hdr)) {
803b5836
MH		 1270 kfree_skb(skb);
1271 skb = NULL;
1272
1273 err = -EILSEQ;
1274 break;
1275 }
1276 }
1277
618e8bc2 1278 if (!hci_skb_expect(skb)) {
803b5836
MH		 1279 /* Complete frame */
1280 hci_recv_frame(data->hdev, skb);
1281 skb = NULL;
1282 }
1283 }
1284
1285 data->sco_skb = skb;
a5e50d5b 1286 spin_unlock_irqrestore(&data->rxlock, flags);
803b5836
MH		 1287
1288 return err;
1ffa4ad0
MH		 1289}
1290
5e23b923
MH		 1291static void btusb_intr_complete(struct urb *urb)
1292{
1293 struct hci_dev *hdev = urb->context;
155961e8 1294 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1295 int err;
1296
89e7533d
MH		 1297 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1298 urb->actual_length);
5e23b923
MH		 1299
1300 if (!test_bit(HCI_RUNNING, &hdev->flags))
1301 return;
1302
1303 if (urb->status == 0) {
9bfa35fe
MH		 1304 hdev->stat.byte_rx += urb->actual_length;
1305
1ffa4ad0
MH		 1306 if (btusb_recv_intr(data, urb->transfer_buffer,
1307 urb->actual_length) < 0) {
2064ee33 1308 bt_dev_err(hdev, "corrupted event packet");
5e23b923
MH		 1309 hdev->stat.err_rx++;
1310 }
85560c4a
CC		 1311 } else if (urb->status == -ENOENT) {
1312 /* Avoid suspend failed when usb_kill_urb */
1313 return;
5e23b923
MH		 1314 }
1315
1316 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
1317 return;
1318
7bee549e 1319 usb_mark_last_busy(data->udev);
5e23b923
MH		 1320 usb_anchor_urb(urb, &data->intr_anchor);
1321
1322 err = usb_submit_urb(urb, GFP_ATOMIC);
1323 if (err < 0) {
4935f1c1 1324 /* -EPERM: urb is being killed;
d98422cb
DR		 1325 * -ENODEV: device got disconnected
1326 */
4935f1c1 1327 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 1328 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1329 urb, -err);
c97a747e
BB		 1330 if (err != -EPERM)
1331 hci_cmd_sync_cancel(hdev, -err);
5e23b923
MH		 1332 usb_unanchor_urb(urb);
1333 }
1334}
1335
2eda66f4 1336static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 1337{
155961e8 1338 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1339 struct urb *urb;
1340 unsigned char *buf;
1341 unsigned int pipe;
1342 int err, size;
1343
1344 BT_DBG("%s", hdev->name);
1345
9bfa35fe
MH		 1346 if (!data->intr_ep)
1347 return -ENODEV;
1348
2eda66f4 1349 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 1350 if (!urb)
1351 return -ENOMEM;
1352
1353 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
1354
2eda66f4 1355 buf = kmalloc(size, mem_flags);
5e23b923
MH		 1356 if (!buf) {
1357 usb_free_urb(urb);
1358 return -ENOMEM;
1359 }
1360
1361 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
1362
1363 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
89e7533d 1364 btusb_intr_complete, hdev, data->intr_ep->bInterval);
5e23b923
MH		 1365
1366 urb->transfer_flags |= URB_FREE_BUFFER;
1367
1368 usb_anchor_urb(urb, &data->intr_anchor);
1369
2eda66f4 1370 err = usb_submit_urb(urb, mem_flags);
5e23b923 1371 if (err < 0) {
d4b8d1c9 1372 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 1373 bt_dev_err(hdev, "urb %p submission failed (%d)",
1374 urb, -err);
c97a747e
BB		 1375 if (err != -EPERM)
1376 hci_cmd_sync_cancel(hdev, -err);
5e23b923 1377 usb_unanchor_urb(urb);
5e23b923
MH		 1378 }
1379
800fe5ec
LAD		 1380 /* Only initialize intr_interval if URB poll sync is enabled */
1381 if (!data->poll_sync)
1382 goto done;
1383
1384 /* The units are frames (milliseconds) for full and low speed devices,
1385 * and microframes (1/8 millisecond) for highspeed and SuperSpeed
1386 * devices.
1387 *
1388 * This is done once on open/resume so it shouldn't change even if
1389 * force_poll_sync changes.
1390 */
1391 switch (urb->dev->speed) {
1392 case USB_SPEED_SUPER_PLUS:
1393 case USB_SPEED_SUPER: /* units are 125us */
1394 data->intr_interval = usecs_to_jiffies(urb->interval * 125);
1395 break;
1396 default:
1397 data->intr_interval = msecs_to_jiffies(urb->interval);
1398 break;
1399 }
1400
1401done:
5e23b923
MH		 1402 usb_free_urb(urb);
1403
1404 return err;
1405}
1406
1407static void btusb_bulk_complete(struct urb *urb)
1408{
1409 struct hci_dev *hdev = urb->context;
155961e8 1410 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1411 int err;
1412
89e7533d
MH		 1413 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1414 urb->actual_length);
5e23b923
MH		 1415
1416 if (!test_bit(HCI_RUNNING, &hdev->flags))
1417 return;
1418
1419 if (urb->status == 0) {
9bfa35fe
MH		 1420 hdev->stat.byte_rx += urb->actual_length;
1421
2cbd3f5c 1422 if (data->recv_bulk(data, urb->transfer_buffer,
1ffa4ad0 1423 urb->actual_length) < 0) {
2064ee33 1424 bt_dev_err(hdev, "corrupted ACL packet");
5e23b923
MH		 1425 hdev->stat.err_rx++;
1426 }
85560c4a
CC		 1427 } else if (urb->status == -ENOENT) {
1428 /* Avoid suspend failed when usb_kill_urb */
1429 return;
5e23b923
MH		 1430 }
1431
1432 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
1433 return;
1434
1435 usb_anchor_urb(urb, &data->bulk_anchor);
652fd781 1436 usb_mark_last_busy(data->udev);
5e23b923
MH		 1437
1438 err = usb_submit_urb(urb, GFP_ATOMIC);
1439 if (err < 0) {
4935f1c1 1440 /* -EPERM: urb is being killed;
d98422cb
DR		 1441 * -ENODEV: device got disconnected
1442 */
4935f1c1 1443 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 1444 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1445 urb, -err);
5e23b923
MH		 1446 usb_unanchor_urb(urb);
1447 }
1448}
1449
2eda66f4 1450static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 1451{
155961e8 1452 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1453 struct urb *urb;
1454 unsigned char *buf;
1455 unsigned int pipe;
290ba200 1456 int err, size = HCI_MAX_FRAME_SIZE;
5e23b923
MH		 1457
1458 BT_DBG("%s", hdev->name);
1459
9bfa35fe
MH		 1460 if (!data->bulk_rx_ep)
1461 return -ENODEV;
1462
2eda66f4 1463 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 1464 if (!urb)
1465 return -ENOMEM;
1466
2eda66f4 1467 buf = kmalloc(size, mem_flags);
5e23b923
MH		 1468 if (!buf) {
1469 usb_free_urb(urb);
1470 return -ENOMEM;
1471 }
1472
1473 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
1474
89e7533d
MH		 1475 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
1476 btusb_bulk_complete, hdev);
5e23b923
MH		 1477
1478 urb->transfer_flags |= URB_FREE_BUFFER;
1479
7bee549e 1480 usb_mark_last_busy(data->udev);
5e23b923
MH		 1481 usb_anchor_urb(urb, &data->bulk_anchor);
1482
2eda66f4 1483 err = usb_submit_urb(urb, mem_flags);
5e23b923 1484 if (err < 0) {
d4b8d1c9 1485 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 1486 bt_dev_err(hdev, "urb %p submission failed (%d)",
1487 urb, -err);
5e23b923 1488 usb_unanchor_urb(urb);
5e23b923
MH		 1489 }
1490
1491 usb_free_urb(urb);
1492
1493 return err;
1494}
1495
9bfa35fe
MH		 1496static void btusb_isoc_complete(struct urb *urb)
1497{
1498 struct hci_dev *hdev = urb->context;
155961e8 1499 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 1500 int i, err;
1501
89e7533d
MH		 1502 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1503 urb->actual_length);
9bfa35fe
MH		 1504
1505 if (!test_bit(HCI_RUNNING, &hdev->flags))
1506 return;
1507
1508 if (urb->status == 0) {
1509 for (i = 0; i < urb->number_of_packets; i++) {
1510 unsigned int offset = urb->iso_frame_desc[i].offset;
1511 unsigned int length = urb->iso_frame_desc[i].actual_length;
1512
1513 if (urb->iso_frame_desc[i].status)
1514 continue;
1515
1516 hdev->stat.byte_rx += length;
1517
1ffa4ad0
MH		 1518 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
1519 length) < 0) {
2064ee33 1520 bt_dev_err(hdev, "corrupted SCO packet");
9bfa35fe
MH		 1521 hdev->stat.err_rx++;
1522 }
1523 }
85560c4a
CC		 1524 } else if (urb->status == -ENOENT) {
1525 /* Avoid suspend failed when usb_kill_urb */
1526 return;
9bfa35fe
MH		 1527 }
1528
1529 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
1530 return;
1531
1532 usb_anchor_urb(urb, &data->isoc_anchor);
1533
1534 err = usb_submit_urb(urb, GFP_ATOMIC);
1535 if (err < 0) {
4935f1c1 1536 /* -EPERM: urb is being killed;
d98422cb
DR		 1537 * -ENODEV: device got disconnected
1538 */
4935f1c1 1539 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 1540 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1541 urb, -err);
9bfa35fe
MH		 1542 usb_unanchor_urb(urb);
1543 }
1544}
1545
baac6276
SN		 1546static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len,
1547 int mtu, struct btusb_data *data)
1548{
a479e713 1549 int i = 0, offset = 0;
baac6276
SN		 1550 unsigned int interval;
1551
1552 BT_DBG("len %d mtu %d", len, mtu);
1553
a479e713
HW		 1554 /* For mSBC ALT 6 settings some chips need to transmit the data
1555 * continuously without the zero length of USB packets.
1556 */
1557 if (test_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags))
1558 goto ignore_usb_alt6_packet_flow;
1559
baac6276
SN		 1560 /* For mSBC ALT 6 setting the host will send the packet at continuous
1561 * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting
1562 * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets.
1563 * To maintain the rate we send 63bytes of usb packets alternatively for
1564 * 7ms and 8ms to maintain the rate as 7.5ms.
1565 */
1566 if (data->usb_alt6_packet_flow) {
1567 interval = 7;
1568 data->usb_alt6_packet_flow = false;
1569 } else {
1570 interval = 6;
1571 data->usb_alt6_packet_flow = true;
1572 }
1573
1574 for (i = 0; i < interval; i++) {
1575 urb->iso_frame_desc[i].offset = offset;
1576 urb->iso_frame_desc[i].length = offset;
1577 }
1578
a479e713 1579ignore_usb_alt6_packet_flow:
baac6276
SN		 1580 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
1581 urb->iso_frame_desc[i].offset = offset;
1582 urb->iso_frame_desc[i].length = len;
1583 i++;
1584 }
1585
1586 urb->number_of_packets = i;
1587}
1588
42b16b3f 1589static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
9bfa35fe
MH		 1590{
1591 int i, offset = 0;
1592
1593 BT_DBG("len %d mtu %d", len, mtu);
1594
1595 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
1596 i++, offset += mtu, len -= mtu) {
1597 urb->iso_frame_desc[i].offset = offset;
1598 urb->iso_frame_desc[i].length = mtu;
1599 }
1600
1601 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
1602 urb->iso_frame_desc[i].offset = offset;
1603 urb->iso_frame_desc[i].length = len;
1604 i++;
1605 }
1606
1607 urb->number_of_packets = i;
1608}
1609
2eda66f4 1610static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
9bfa35fe 1611{
155961e8 1612 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 1613 struct urb *urb;
1614 unsigned char *buf;
1615 unsigned int pipe;
1616 int err, size;
1617
1618 BT_DBG("%s", hdev->name);
1619
1620 if (!data->isoc_rx_ep)
1621 return -ENODEV;
1622
2eda66f4 1623 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
9bfa35fe
MH		 1624 if (!urb)
1625 return -ENOMEM;
1626
1627 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
1628 BTUSB_MAX_ISOC_FRAMES;
1629
2eda66f4 1630 buf = kmalloc(size, mem_flags);
9bfa35fe
MH		 1631 if (!buf) {
1632 usb_free_urb(urb);
1633 return -ENOMEM;
1634 }
1635
1636 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
1637
fa0fb93f 1638 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
89e7533d 1639 hdev, data->isoc_rx_ep->bInterval);
9bfa35fe 1640
89e7533d 1641 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
9bfa35fe
MH		 1642
1643 __fill_isoc_descriptor(urb, size,
89e7533d 1644 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
9bfa35fe
MH		 1645
1646 usb_anchor_urb(urb, &data->isoc_anchor);
1647
2eda66f4 1648 err = usb_submit_urb(urb, mem_flags);
9bfa35fe 1649 if (err < 0) {
d4b8d1c9 1650 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 1651 bt_dev_err(hdev, "urb %p submission failed (%d)",
1652 urb, -err);
9bfa35fe 1653 usb_unanchor_urb(urb);
9bfa35fe
MH		 1654 }
1655
1656 usb_free_urb(urb);
1657
1658 return err;
1659}
1660
9d08f504
MH		 1661static void btusb_diag_complete(struct urb *urb)
1662{
1663 struct hci_dev *hdev = urb->context;
1664 struct btusb_data *data = hci_get_drvdata(hdev);
1665 int err;
1666
1667 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1668 urb->actual_length);
1669
1670 if (urb->status == 0) {
1671 struct sk_buff *skb;
1672
1673 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
1674 if (skb) {
59ae1d12
JB		 1675 skb_put_data(skb, urb->transfer_buffer,
1676 urb->actual_length);
9d08f504
MH		 1677 hci_recv_diag(hdev, skb);
1678 }
1679 } else if (urb->status == -ENOENT) {
1680 /* Avoid suspend failed when usb_kill_urb */
1681 return;
1682 }
1683
1684 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
1685 return;
1686
1687 usb_anchor_urb(urb, &data->diag_anchor);
1688 usb_mark_last_busy(data->udev);
1689
1690 err = usb_submit_urb(urb, GFP_ATOMIC);
1691 if (err < 0) {
1692 /* -EPERM: urb is being killed;
d98422cb
DR		 1693 * -ENODEV: device got disconnected
1694 */
9d08f504 1695 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 1696 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1697 urb, -err);
9d08f504
MH		 1698 usb_unanchor_urb(urb);
1699 }
1700}
1701
1702static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
1703{
1704 struct btusb_data *data = hci_get_drvdata(hdev);
1705 struct urb *urb;
1706 unsigned char *buf;
1707 unsigned int pipe;
1708 int err, size = HCI_MAX_FRAME_SIZE;
1709
1710 BT_DBG("%s", hdev->name);
1711
1712 if (!data->diag_rx_ep)
1713 return -ENODEV;
1714
1715 urb = usb_alloc_urb(0, mem_flags);
1716 if (!urb)
1717 return -ENOMEM;
1718
1719 buf = kmalloc(size, mem_flags);
1720 if (!buf) {
1721 usb_free_urb(urb);
1722 return -ENOMEM;
1723 }
1724
1725 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
1726
1727 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
1728 btusb_diag_complete, hdev);
1729
1730 urb->transfer_flags |= URB_FREE_BUFFER;
1731
1732 usb_mark_last_busy(data->udev);
1733 usb_anchor_urb(urb, &data->diag_anchor);
1734
1735 err = usb_submit_urb(urb, mem_flags);
1736 if (err < 0) {
1737 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 1738 bt_dev_err(hdev, "urb %p submission failed (%d)",
1739 urb, -err);
9d08f504
MH		 1740 usb_unanchor_urb(urb);
1741 }
1742
1743 usb_free_urb(urb);
1744
1745 return err;
1746}
1747
5e23b923 1748static void btusb_tx_complete(struct urb *urb)
7bee549e
ON		 1749{
1750 struct sk_buff *skb = urb->context;
89e7533d 1751 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
155961e8 1752 struct btusb_data *data = hci_get_drvdata(hdev);
a5e50d5b 1753 unsigned long flags;
7bee549e 1754
89e7533d
MH		 1755 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1756 urb->actual_length);
7bee549e
ON		 1757
1758 if (!test_bit(HCI_RUNNING, &hdev->flags))
1759 goto done;
1760
c97a747e 1761 if (!urb->status) {
7bee549e 1762 hdev->stat.byte_tx += urb->transfer_buffer_length;
c97a747e
BB		 1763 } else {
1764 if (hci_skb_pkt_type(skb) == HCI_COMMAND_PKT)
1765 hci_cmd_sync_cancel(hdev, -urb->status);
7bee549e 1766 hdev->stat.err_tx++;
c97a747e 1767 }
7bee549e
ON		 1768
1769done:
a5e50d5b 1770 spin_lock_irqsave(&data->txlock, flags);
7bee549e 1771 data->tx_in_flight--;
a5e50d5b 1772 spin_unlock_irqrestore(&data->txlock, flags);
7bee549e
ON		 1773
1774 kfree(urb->setup_packet);
1775
1776 kfree_skb(skb);
1777}
1778
1779static void btusb_isoc_tx_complete(struct urb *urb)
5e23b923
MH		 1780{
1781 struct sk_buff *skb = urb->context;
89e7533d 1782 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
5e23b923 1783
89e7533d
MH		 1784 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1785 urb->actual_length);
5e23b923
MH		 1786
1787 if (!test_bit(HCI_RUNNING, &hdev->flags))
1788 goto done;
1789
1790 if (!urb->status)
1791 hdev->stat.byte_tx += urb->transfer_buffer_length;
1792 else
1793 hdev->stat.err_tx++;
1794
1795done:
1796 kfree(urb->setup_packet);
1797
1798 kfree_skb(skb);
1799}
1800
1801static int btusb_open(struct hci_dev *hdev)
1802{
155961e8 1803 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1804 int err;
1805
1806 BT_DBG("%s", hdev->name);
1807
c7e163fe
EH		 1808 err = usb_autopm_get_interface(data->intf);
1809 if (err < 0)
1810 return err;
1811
ace31982
KBYT		 1812 /* Patching USB firmware files prior to starting any URBs of HCI path
1813 * It is more safe to use USB bulk channel for downloading USB patch
1814 */
1815 if (data->setup_on_usb) {
1816 err = data->setup_on_usb(hdev);
eb50042f 1817 if (err < 0)
3d44a6fd 1818 goto setup_fail;
ace31982
KBYT		 1819 }
1820
7bee549e
ON		 1821 data->intf->needs_remote_wakeup = 1;
1822
5e23b923 1823 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
7bee549e 1824 goto done;
5e23b923 1825
2eda66f4 1826 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
43c2e57f
MH		 1827 if (err < 0)
1828 goto failed;
1829
1830 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
5e23b923 1831 if (err < 0) {
43c2e57f
MH		 1832 usb_kill_anchored_urbs(&data->intr_anchor);
1833 goto failed;
5e23b923
MH		 1834 }
1835
43c2e57f
MH		 1836 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1837 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1838
9d08f504
MH		 1839 if (data->diag) {
1840 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1841 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1842 }
1843
7bee549e
ON		 1844done:
1845 usb_autopm_put_interface(data->intf);
43c2e57f
MH		 1846 return 0;
1847
1848failed:
1849 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
3d44a6fd 1850setup_fail:
7bee549e 1851 usb_autopm_put_interface(data->intf);
5e23b923
MH		 1852 return err;
1853}
1854
7bee549e
ON		 1855static void btusb_stop_traffic(struct btusb_data *data)
1856{
1857 usb_kill_anchored_urbs(&data->intr_anchor);
1858 usb_kill_anchored_urbs(&data->bulk_anchor);
1859 usb_kill_anchored_urbs(&data->isoc_anchor);
9d08f504 1860 usb_kill_anchored_urbs(&data->diag_anchor);
a1c49c43 1861 usb_kill_anchored_urbs(&data->ctrl_anchor);
7bee549e
ON		 1862}
1863
5e23b923
MH		 1864static int btusb_close(struct hci_dev *hdev)
1865{
155961e8 1866 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 1867 int err;
5e23b923
MH		 1868
1869 BT_DBG("%s", hdev->name);
1870
800fe5ec 1871 cancel_delayed_work(&data->rx_work);
e8c3c3d2 1872 cancel_work_sync(&data->work);
404291ac 1873 cancel_work_sync(&data->waker);
e8c3c3d2 1874
800fe5ec
LAD		 1875 skb_queue_purge(&data->acl_q);
1876
9bfa35fe 1877 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
5e23b923 1878 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
5e23b923 1879 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
9d08f504 1880 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
7bee549e
ON		 1881
1882 btusb_stop_traffic(data);
803b5836
MH		 1883 btusb_free_frags(data);
1884
7bee549e
ON		 1885 err = usb_autopm_get_interface(data->intf);
1886 if (err < 0)
7b8e2c1d 1887 goto failed;
7bee549e
ON		 1888
1889 data->intf->needs_remote_wakeup = 0;
9e45524a
AL		 1890
1891 /* Enable remote wake up for auto-suspend */
8274db07 1892 if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags))
9e45524a
AL		 1893 data->intf->needs_remote_wakeup = 1;
1894
7bee549e 1895 usb_autopm_put_interface(data->intf);
5e23b923 1896
7b8e2c1d
ON		 1897failed:
1898 usb_scuttle_anchored_urbs(&data->deferred);
5e23b923
MH		 1899 return 0;
1900}
1901
1902static int btusb_flush(struct hci_dev *hdev)
1903{
155961e8 1904 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1905
1906 BT_DBG("%s", hdev->name);
1907
800fe5ec
LAD		 1908 cancel_delayed_work(&data->rx_work);
1909
1910 skb_queue_purge(&data->acl_q);
1911
5e23b923 1912 usb_kill_anchored_urbs(&data->tx_anchor);
803b5836 1913 btusb_free_frags(data);
5e23b923
MH		 1914
1915 return 0;
1916}
1917
047b2ec8 1918static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
5e23b923 1919{
155961e8 1920 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1921 struct usb_ctrlrequest *dr;
1922 struct urb *urb;
1923 unsigned int pipe;
5e23b923 1924
047b2ec8
MH		 1925 urb = usb_alloc_urb(0, GFP_KERNEL);
1926 if (!urb)
1927 return ERR_PTR(-ENOMEM);
5e23b923 1928
047b2ec8
MH		 1929 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1930 if (!dr) {
1931 usb_free_urb(urb);
1932 return ERR_PTR(-ENOMEM);
1933 }
5e23b923 1934
047b2ec8 1935 dr->bRequestType = data->cmdreq_type;
893ba544 1936 dr->bRequest = data->cmdreq;
047b2ec8
MH		 1937 dr->wIndex = 0;
1938 dr->wValue = 0;
1939 dr->wLength = __cpu_to_le16(skb->len);
7bd8f09f 1940
047b2ec8 1941 pipe = usb_sndctrlpipe(data->udev, 0x00);
5e23b923 1942
89e7533d 1943 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
047b2ec8 1944 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1945
89e7533d 1946 skb->dev = (void *)hdev;
5e23b923 1947
047b2ec8
MH		 1948 return urb;
1949}
5e23b923 1950
047b2ec8
MH		 1951static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1952{
1953 struct btusb_data *data = hci_get_drvdata(hdev);
1954 struct urb *urb;
1955 unsigned int pipe;
5e23b923 1956
047b2ec8
MH		 1957 if (!data->bulk_tx_ep)
1958 return ERR_PTR(-ENODEV);
9bfa35fe 1959
047b2ec8
MH		 1960 urb = usb_alloc_urb(0, GFP_KERNEL);
1961 if (!urb)
1962 return ERR_PTR(-ENOMEM);
5e23b923 1963
047b2ec8 1964 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
5e23b923 1965
047b2ec8
MH		 1966 usb_fill_bulk_urb(urb, data->udev, pipe,
1967 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1968
89e7533d 1969 skb->dev = (void *)hdev;
5e23b923 1970
047b2ec8
MH		 1971 return urb;
1972}
9bfa35fe 1973
047b2ec8
MH		 1974static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1975{
1976 struct btusb_data *data = hci_get_drvdata(hdev);
1977 struct urb *urb;
1978 unsigned int pipe;
9bfa35fe 1979
047b2ec8
MH		 1980 if (!data->isoc_tx_ep)
1981 return ERR_PTR(-ENODEV);
9bfa35fe 1982
047b2ec8
MH		 1983 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1984 if (!urb)
1985 return ERR_PTR(-ENOMEM);
9bfa35fe 1986
047b2ec8 1987 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
9bfa35fe 1988
047b2ec8
MH		 1989 usb_fill_int_urb(urb, data->udev, pipe,
1990 skb->data, skb->len, btusb_isoc_tx_complete,
1991 skb, data->isoc_tx_ep->bInterval);
9bfa35fe 1992
047b2ec8 1993 urb->transfer_flags = URB_ISO_ASAP;
5e23b923 1994
baac6276
SN		 1995 if (data->isoc_altsetting == 6)
1996 __fill_isoc_descriptor_msbc(urb, skb->len,
1997 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize),
1998 data);
1999 else
2000 __fill_isoc_descriptor(urb, skb->len,
2001 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
89e7533d 2002 skb->dev = (void *)hdev;
047b2ec8
MH		 2003
2004 return urb;
2005}
2006
2007static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
2008{
2009 struct btusb_data *data = hci_get_drvdata(hdev);
2010 int err;
7bee549e 2011
5e23b923
MH		 2012 usb_anchor_urb(urb, &data->tx_anchor);
2013
e9753eff 2014 err = usb_submit_urb(urb, GFP_KERNEL);
5e23b923 2015 if (err < 0) {
5a9b80e2 2016 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 2017 bt_dev_err(hdev, "urb %p submission failed (%d)",
2018 urb, -err);
5e23b923
MH		 2019 kfree(urb->setup_packet);
2020 usb_unanchor_urb(urb);
7bee549e
ON		 2021 } else {
2022 usb_mark_last_busy(data->udev);
5e23b923
MH		 2023 }
2024
54a8a79c 2025 usb_free_urb(urb);
5e23b923
MH		 2026 return err;
2027}
2028
047b2ec8
MH		 2029static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
2030{
2031 struct btusb_data *data = hci_get_drvdata(hdev);
2032 unsigned long flags;
2033 bool suspending;
2034
2035 spin_lock_irqsave(&data->txlock, flags);
2036 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
2037 if (!suspending)
2038 data->tx_in_flight++;
2039 spin_unlock_irqrestore(&data->txlock, flags);
2040
2041 if (!suspending)
2042 return submit_tx_urb(hdev, urb);
2043
2044 usb_anchor_urb(urb, &data->deferred);
2045 schedule_work(&data->waker);
2046
2047 usb_free_urb(urb);
2048 return 0;
2049}
2050
2051static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
2052{
2053 struct urb *urb;
2054
2055 BT_DBG("%s", hdev->name);
2056
618e8bc2 2057 switch (hci_skb_pkt_type(skb)) {
047b2ec8
MH		 2058 case HCI_COMMAND_PKT:
2059 urb = alloc_ctrl_urb(hdev, skb);
2060 if (IS_ERR(urb))
2061 return PTR_ERR(urb);
2062
2063 hdev->stat.cmd_tx++;
2064 return submit_or_queue_tx_urb(hdev, urb);
2065
2066 case HCI_ACLDATA_PKT:
2067 urb = alloc_bulk_urb(hdev, skb);
2068 if (IS_ERR(urb))
2069 return PTR_ERR(urb);
2070
2071 hdev->stat.acl_tx++;
2072 return submit_or_queue_tx_urb(hdev, urb);
2073
2074 case HCI_SCODATA_PKT:
2075 if (hci_conn_num(hdev, SCO_LINK) < 1)
2076 return -ENODEV;
2077
2078 urb = alloc_isoc_urb(hdev, skb);
2079 if (IS_ERR(urb))
2080 return PTR_ERR(urb);
2081
2082 hdev->stat.sco_tx++;
2083 return submit_tx_urb(hdev, urb);
70405f02
LAD		 2084
2085 case HCI_ISODATA_PKT:
2086 urb = alloc_bulk_urb(hdev, skb);
2087 if (IS_ERR(urb))
2088 return PTR_ERR(urb);
2089
2090 return submit_or_queue_tx_urb(hdev, urb);
047b2ec8
MH		 2091 }
2092
2093 return -EILSEQ;
2094}
2095
5e23b923
MH		 2096static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
2097{
155961e8 2098 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 2099
2100 BT_DBG("%s evt %d", hdev->name, evt);
2101
014f7bc7
MH		 2102 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
2103 data->sco_num = hci_conn_num(hdev, SCO_LINK);
baac6276 2104 data->air_mode = evt;
43c2e57f 2105 schedule_work(&data->work);
a780efa8 2106 }
5e23b923
MH		 2107}
2108
42b16b3f 2109static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
9bfa35fe 2110{
155961e8 2111 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 2112 struct usb_interface *intf = data->isoc;
2113 struct usb_endpoint_descriptor *ep_desc;
2114 int i, err;
2115
2116 if (!data->isoc)
2117 return -ENODEV;
2118
459232fc 2119 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting);
9bfa35fe 2120 if (err < 0) {
2064ee33 2121 bt_dev_err(hdev, "setting interface failed (%d)", -err);
9bfa35fe
MH		 2122 return err;
2123 }
2124
2125 data->isoc_altsetting = altsetting;
2126
2127 data->isoc_tx_ep = NULL;
2128 data->isoc_rx_ep = NULL;
2129
2130 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2131 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2132
2133 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
2134 data->isoc_tx_ep = ep_desc;
2135 continue;
2136 }
2137
2138 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
2139 data->isoc_rx_ep = ep_desc;
2140 continue;
2141 }
2142 }
2143
2144 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
2064ee33 2145 bt_dev_err(hdev, "invalid SCO descriptors");
9bfa35fe
MH		 2146 return -ENODEV;
2147 }
2148
2149 return 0;
2150}
2151
baac6276
SN		 2152static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts)
2153{
2154 struct btusb_data *data = hci_get_drvdata(hdev);
2155 int err;
2156
2157 if (data->isoc_altsetting != new_alts) {
2158 unsigned long flags;
2159
2160 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
2161 usb_kill_anchored_urbs(&data->isoc_anchor);
2162
2163 /* When isochronous alternate setting needs to be
2164 * changed, because SCO connection has been added
2165 * or removed, a packet fragment may be left in the
2166 * reassembling state. This could lead to wrongly
2167 * assembled fragments.
2168 *
2169 * Clear outstanding fragment when selecting a new
2170 * alternate setting.
2171 */
2172 spin_lock_irqsave(&data->rxlock, flags);
2a05334d 2173 dev_kfree_skb_irq(data->sco_skb);
baac6276
SN		 2174 data->sco_skb = NULL;
2175 spin_unlock_irqrestore(&data->rxlock, flags);
2176
2177 err = __set_isoc_interface(hdev, new_alts);
2178 if (err < 0)
2179 return err;
2180 }
2181
2182 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2183 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
2184 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
2185 else
2186 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
2187 }
2188
2189 return 0;
2190}
2191
2192static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data,
2193 int alt)
2194{
2195 struct usb_interface *intf = data->isoc;
2196 int i;
2197
2198 BT_DBG("Looking for Alt no :%d", alt);
2199
fcd156ee
SN		 2200 if (!intf)
2201 return NULL;
2202
baac6276
SN		 2203 for (i = 0; i < intf->num_altsetting; i++) {
2204 if (intf->altsetting[i].desc.bAlternateSetting == alt)
2205 return &intf->altsetting[i];
2206 }
2207
2208 return NULL;
2209}
2210
5e23b923
MH		 2211static void btusb_work(struct work_struct *work)
2212{
2213 struct btusb_data *data = container_of(work, struct btusb_data, work);
2214 struct hci_dev *hdev = data->hdev;
baac6276 2215 int new_alts = 0;
7bee549e 2216 int err;
5e23b923 2217
014f7bc7 2218 if (data->sco_num > 0) {
08b8b6c4 2219 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
8efdd0cd 2220 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
7bee549e
ON		 2221 if (err < 0) {
2222 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
2223 usb_kill_anchored_urbs(&data->isoc_anchor);
2224 return;
2225 }
2226
08b8b6c4 2227 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
7bee549e 2228 }
f4001d28 2229
baac6276
SN		 2230 if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) {
2231 if (hdev->voice_setting & 0x0020) {
2232 static const int alts[3] = { 2, 4, 5 };
f4001d28 2233
baac6276
SN		 2234 new_alts = alts[data->sco_num - 1];
2235 } else {
2236 new_alts = data->sco_num;
2237 }
2238 } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) {
517b6933
TP		 2239 /* Bluetooth USB spec recommends alt 6 (63 bytes), but
2240 * many adapters do not support it. Alt 1 appears to
2241 * work for all adapters that do not have alt 6, and
55981d35
PV		 2242 * which work with WBS at all. Some devices prefer
2243 * alt 3 (HCI payload >= 60 Bytes let air packet
2244 * data satisfy 60 bytes), requiring
2245 * MTU >= 3 (packets) * 25 (size) - 3 (headers) = 72
2246 * see also Core spec 5, vol 4, B 2.1.1 & Table 2.1.
517b6933 2247 */
55981d35
PV		 2248 if (btusb_find_altsetting(data, 6))
2249 new_alts = 6;
2250 else if (btusb_find_altsetting(data, 3) &&
2251 hdev->sco_mtu >= 72 &&
2252 test_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags))
e848dbd3 2253 new_alts = 3;
55981d35
PV		 2254 else
2255 new_alts = 1;
9bfa35fe 2256 }
baac6276
SN		 2257
2258 if (btusb_switch_alt_setting(hdev, new_alts) < 0)
2259 bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts);
9bfa35fe 2260 } else {
9bfa35fe
MH		 2261 usb_kill_anchored_urbs(&data->isoc_anchor);
2262
f9c5cbd5
CTN		 2263 if (test_and_clear_bit(BTUSB_ISOC_RUNNING, &data->flags))
2264 __set_isoc_interface(hdev, 0);
2265
08b8b6c4 2266 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
8efdd0cd 2267 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
5e23b923
MH		 2268 }
2269}
2270
7bee549e
ON		 2271static void btusb_waker(struct work_struct *work)
2272{
2273 struct btusb_data *data = container_of(work, struct btusb_data, waker);
2274 int err;
2275
2276 err = usb_autopm_get_interface(data->intf);
2277 if (err < 0)
2278 return;
2279
2280 usb_autopm_put_interface(data->intf);
2281}
2282
800fe5ec
LAD		 2283static void btusb_rx_work(struct work_struct *work)
2284{
2285 struct btusb_data *data = container_of(work, struct btusb_data,
2286 rx_work.work);
2287 struct sk_buff *skb;
2288
2289 /* Dequeue ACL data received during the interval */
2290 while ((skb = skb_dequeue(&data->acl_q)))
2291 data->recv_acl(data->hdev, skb);
2292}
2293
9f8f962c
MH		 2294static int btusb_setup_bcm92035(struct hci_dev *hdev)
2295{
2296 struct sk_buff *skb;
2297 u8 val = 0x00;
2298
2299 BT_DBG("%s", hdev->name);
2300
2301 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
2302 if (IS_ERR(skb))
2064ee33 2303 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb));
9f8f962c
MH		 2304 else
2305 kfree_skb(skb);
2306
2307 return 0;
2308}
2309
81cac64b
MH		 2310static int btusb_setup_csr(struct hci_dev *hdev)
2311{
d74e0ae7
HG		 2312 struct btusb_data *data = hci_get_drvdata(hdev);
2313 u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice);
81cac64b
MH		 2314 struct hci_rp_read_local_version *rp;
2315 struct sk_buff *skb;
cde1a8a9 2316 bool is_fake = false;
0671c066 2317 int ret;
81cac64b
MH		 2318
2319 BT_DBG("%s", hdev->name);
2320
7cd84d72
MH		 2321 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
2322 HCI_INIT_TIMEOUT);
2323 if (IS_ERR(skb)) {
2324 int err = PTR_ERR(skb);
2064ee33 2325 bt_dev_err(hdev, "CSR: Local version failed (%d)", err);
7cd84d72
MH		 2326 return err;
2327 }
2328
cb3648a7
LAD		 2329 rp = skb_pull_data(skb, sizeof(*rp));
2330 if (!rp) {
2064ee33 2331 bt_dev_err(hdev, "CSR: Local version length mismatch");
7cd84d72
MH		 2332 kfree_skb(skb);
2333 return -EIO;
2334 }
81cac64b 2335
cb3648a7
LAD		 2336 bt_dev_info(hdev, "CSR: Setting up dongle with HCI ver=%u rev=%04x",
2337 rp->hci_ver, le16_to_cpu(rp->hci_rev));
81cac64b 2338
cb3648a7
LAD		 2339 bt_dev_info(hdev, "LMP ver=%u subver=%04x; manufacturer=%u",
2340 rp->lmp_ver, le16_to_cpu(rp->lmp_subver),
2341 le16_to_cpu(rp->manufacturer));
955aebd4 2342
cde1a8a9
IFM		 2343 /* Detect a wide host of Chinese controllers that aren't CSR.
2344 *
2345 * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891
2346 *
2347 * The main thing they have in common is that these are really popular low-cost
2348 * options that support newer Bluetooth versions but rely on heavy VID/PID
2349 * squatting of this poor old Bluetooth 1.1 device. Even sold as such.
2350 *
2351 * We detect actual CSR devices by checking that the HCI manufacturer code
2352 * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and
2353 * HCI rev values always match. As they both store the firmware number.
2354 */
6cafcd95 2355 if (le16_to_cpu(rp->manufacturer) != 10 ||
cde1a8a9
IFM		 2356 le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver))
2357 is_fake = true;
2358
2359 /* Known legit CSR firmware build numbers and their supported BT versions:
2360 * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e
2361 * - 1.2 (0x2) -> 0x04d9, 0x0529
2362 * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c
2363 * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External)
2364 * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb
2365 *
2366 * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that
2367 * support BT 1.1 only; so it's a dead giveaway when some
2368 * third-party BT 4.0 dongle reuses it.
2369 */
2370 else if (le16_to_cpu(rp->lmp_subver) <= 0x034e &&
cb3648a7 2371 rp->hci_ver > BLUETOOTH_VER_1_1)
cde1a8a9
IFM		 2372 is_fake = true;
2373
2374 else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 &&
cb3648a7 2375 rp->hci_ver > BLUETOOTH_VER_1_2)
cde1a8a9
IFM		 2376 is_fake = true;
2377
2378 else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c &&
cb3648a7 2379 rp->hci_ver > BLUETOOTH_VER_2_0)
cde1a8a9
IFM		 2380 is_fake = true;
2381
2382 else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 &&
cb3648a7 2383 rp->hci_ver > BLUETOOTH_VER_2_1)
cde1a8a9
IFM		 2384 is_fake = true;
2385
2386 else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb &&
cb3648a7 2387 rp->hci_ver > BLUETOOTH_VER_4_0)
cde1a8a9
IFM		 2388 is_fake = true;
2389
d74e0ae7
HG		 2390 /* Other clones which beat all the above checks */
2391 else if (bcdDevice == 0x0134 &&
2392 le16_to_cpu(rp->lmp_subver) == 0x0c5c &&
cb3648a7 2393 rp->hci_ver == BLUETOOTH_VER_2_0)
d74e0ae7
HG		 2394 is_fake = true;
2395
cde1a8a9 2396 if (is_fake) {
f4292e2f 2397 bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds and force-suspending once...");
cde1a8a9
IFM		 2398
2399 /* Generally these clones have big discrepancies between
2400 * advertised features and what's actually supported.
2401 * Probably will need to be expanded in the future;
2402 * without these the controller will lock up.
2403 */
2404 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
42d7731e 2405 set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks);
b3cf94c8
IFM		 2406 set_bit(HCI_QUIRK_BROKEN_FILTER_CLEAR_ALL, &hdev->quirks);
2407 set_bit(HCI_QUIRK_NO_SUSPEND_NOTIFIER, &hdev->quirks);
cde1a8a9 2408
9641d343
MH		 2409 /* Clear the reset quirk since this is not an actual
2410 * early Bluetooth 1.1 device from CSR.
2411 */
2412 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
cde1a8a9 2413 clear_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
0671c066
HG		 2414
2415 /*
f4292e2f
IFM		 2416 * Special workaround for these BT 4.0 chip clones, and potentially more:
2417 *
b3cf94c8 2418 * - 0x0134: a Barrot 8041a02 (HCI rev: 0x0810 sub: 0x1012)
f4292e2f
IFM		 2419 * - 0x7558: IC markings FR3191AHAL 749H15143 (HCI rev/sub-version: 0x0709)
2420 *
2421 * These controllers are really messed-up.
2422 *
2423 * 1. Their bulk RX endpoint will never report any data unless
aa17e8ce 2424 * the device was suspended at least once (yes, really).
0671c066 2425 * 2. They will not wakeup when autosuspended and receiving data
aa17e8ce
IFM		 2426 * on their bulk RX endpoint from e.g. a keyboard or mouse
2427 * (IOW remote-wakeup support is broken for the bulk endpoint).
0671c066
HG		 2428 *
2429 * To fix 1. enable runtime-suspend, force-suspend the
f4292e2f 2430 * HCI and then wake-it up by disabling runtime-suspend.
0671c066 2431 *
f4292e2f 2432 * To fix 2. clear the HCI's can_wake flag, this way the HCI
0671c066 2433 * will still be autosuspended when it is not open.
f4292e2f
IFM		 2434 *
2435 * --
2436 *
2437 * Because these are widespread problems we prefer generic solutions; so
2438 * apply this initialization quirk to every controller that gets here,
2439 * it should be harmless. The alternative is to not work at all.
0671c066 2440 */
f4292e2f
IFM		 2441 pm_runtime_allow(&data->udev->dev);
2442
2443 ret = pm_runtime_suspend(&data->udev->dev);
2444 if (ret >= 0)
2445 msleep(200);
2446 else
b3cf94c8 2447 bt_dev_warn(hdev, "CSR: Couldn't suspend the device for our Barrot 8041a02 receive-issue workaround");
f4292e2f
IFM		 2448
2449 pm_runtime_forbid(&data->udev->dev);
2450
2451 device_set_wakeup_capable(&data->udev->dev, false);
2452
2453 /* Re-enable autosuspend if this was requested */
2454 if (enable_autosuspend)
2455 usb_enable_autosuspend(data->udev);
9641d343 2456 }
81cac64b
MH		 2457
2458 kfree_skb(skb);
2459
9641d343 2460 return 0;
81cac64b
MH		 2461}
2462
cda0dd78
MH		 2463static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
2464{
2465 struct sk_buff *skb;
2466 struct hci_event_hdr *hdr;
2467 struct hci_ev_cmd_complete *evt;
2468
cf07e341 2469 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
cda0dd78
MH		 2470 if (!skb)
2471 return -ENOMEM;
2472
4df864c1 2473 hdr = skb_put(skb, sizeof(*hdr));
cda0dd78
MH		 2474 hdr->evt = HCI_EV_CMD_COMPLETE;
2475 hdr->plen = sizeof(*evt) + 1;
2476
4df864c1 2477 evt = skb_put(skb, sizeof(*evt));
cda0dd78
MH		 2478 evt->ncmd = 0x01;
2479 evt->opcode = cpu_to_le16(opcode);
2480
634fef61 2481 skb_put_u8(skb, 0x00);
cda0dd78 2482
618e8bc2 2483 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
cda0dd78
MH		 2484
2485 return hci_recv_frame(hdev, skb);
2486}
2487
2488static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
2489 int count)
2490{
019a1caa
THJA		 2491 struct hci_dev *hdev = data->hdev;
2492
cda0dd78
MH		 2493 /* When the device is in bootloader mode, then it can send
2494 * events via the bulk endpoint. These events are treated the
2495 * same way as the ones received from the interrupt endpoint.
2496 */
019a1caa 2497 if (btintel_test_flag(hdev, INTEL_BOOTLOADER))
cda0dd78
MH		 2498 return btusb_recv_intr(data, buffer, count);
2499
2500 return btusb_recv_bulk(data, buffer, count);
2501}
2502
cda0dd78
MH		 2503static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
2504{
cda0dd78
MH		 2505 struct urb *urb;
2506
2507 BT_DBG("%s", hdev->name);
2508
618e8bc2 2509 switch (hci_skb_pkt_type(skb)) {
cda0dd78 2510 case HCI_COMMAND_PKT:
019a1caa 2511 if (btintel_test_flag(hdev, INTEL_BOOTLOADER)) {
cda0dd78
MH		 2512 struct hci_command_hdr *cmd = (void *)skb->data;
2513 __u16 opcode = le16_to_cpu(cmd->opcode);
2514
2515 /* When in bootloader mode and the command 0xfc09
2516 * is received, it needs to be send down the
2517 * bulk endpoint. So allocate a bulk URB instead.
2518 */
2519 if (opcode == 0xfc09)
2520 urb = alloc_bulk_urb(hdev, skb);
2521 else
2522 urb = alloc_ctrl_urb(hdev, skb);
2523
2524 /* When the 0xfc01 command is issued to boot into
2525 * the operational firmware, it will actually not
2526 * send a command complete event. To keep the flow
2527 * control working inject that event here.
2528 */
2529 if (opcode == 0xfc01)
2530 inject_cmd_complete(hdev, opcode);
2531 } else {
2532 urb = alloc_ctrl_urb(hdev, skb);
2533 }
2534 if (IS_ERR(urb))
2535 return PTR_ERR(urb);
2536
2537 hdev->stat.cmd_tx++;
2538 return submit_or_queue_tx_urb(hdev, urb);
2539
2540 case HCI_ACLDATA_PKT:
2541 urb = alloc_bulk_urb(hdev, skb);
2542 if (IS_ERR(urb))
2543 return PTR_ERR(urb);
2544
2545 hdev->stat.acl_tx++;
2546 return submit_or_queue_tx_urb(hdev, urb);
2547
2548 case HCI_SCODATA_PKT:
2549 if (hci_conn_num(hdev, SCO_LINK) < 1)
2550 return -ENODEV;
2551
2552 urb = alloc_isoc_urb(hdev, skb);
2553 if (IS_ERR(urb))
2554 return PTR_ERR(urb);
2555
2556 hdev->stat.sco_tx++;
2557 return submit_tx_urb(hdev, urb);
70405f02
LAD		 2558
2559 case HCI_ISODATA_PKT:
2560 urb = alloc_bulk_urb(hdev, skb);
2561 if (IS_ERR(urb))
2562 return PTR_ERR(urb);
2563
2564 return submit_or_queue_tx_urb(hdev, urb);
cda0dd78
MH		 2565 }
2566
2567 return -EILSEQ;
2568}
2569
a479e713
HW		 2570static int btusb_setup_realtek(struct hci_dev *hdev)
2571{
2572 struct btusb_data *data = hci_get_drvdata(hdev);
2573 int ret;
2574
2575 ret = btrtl_setup_realtek(hdev);
2576
2577 if (btrealtek_test_flag(data->hdev, REALTEK_ALT6_CONTINUOUS_TX_CHIP))
2578 set_bit(BTUSB_ALT6_CONTINUOUS_TX, &data->flags);
2579
2580 return ret;
2581}
2582
044014ce
HW		 2583static int btusb_recv_event_realtek(struct hci_dev *hdev, struct sk_buff *skb)
2584{
2585 if (skb->data[0] == HCI_VENDOR_PKT && skb->data[2] == RTK_SUB_EVENT_CODE_COREDUMP) {
2586 struct rtk_dev_coredump_hdr hdr = {
2587 .code = RTK_DEVCOREDUMP_CODE_MEMDUMP,
2588 };
2589
2590 bt_dev_dbg(hdev, "RTL: received coredump vendor evt, len %u",
2591 skb->len);
2592
2593 btusb_rtl_alloc_devcoredump(hdev, &hdr, skb->data, skb->len);
2594 kfree_skb(skb);
2595
2596 return 0;
2597 }
2598
2599 return hci_recv_frame(hdev, skb);
2600}
2601
e9478026 2602/* UHW CR mapping */
2603#define MTK_BT_MISC 0x70002510
2604#define MTK_BT_SUBSYS_RST 0x70002610
2605#define MTK_UDMA_INT_STA_BT 0x74000024
2606#define MTK_UDMA_INT_STA_BT1 0x74000308
2607#define MTK_BT_WDT_STATUS 0x740003A0
2608#define MTK_EP_RST_OPT 0x74011890
2609#define MTK_EP_RST_IN_OUT_OPT 0x00010001
2610#define MTK_BT_RST_DONE 0x00000100
4c92ae75
PT		 2611#define MTK_BT_RESET_REG_CONNV3 0x70028610
2612#define MTK_BT_READ_DEV_ID 0x70010200
2613
5a87679f 2614
a1c49c43
SW		 2615static void btusb_mtk_wmt_recv(struct urb *urb)
2616{
2617 struct hci_dev *hdev = urb->context;
2618 struct btusb_data *data = hci_get_drvdata(hdev);
a1c49c43
SW		 2619 struct sk_buff *skb;
2620 int err;
2621
2622 if (urb->status == 0 && urb->actual_length > 0) {
2623 hdev->stat.byte_rx += urb->actual_length;
2624
2625 /* WMT event shouldn't be fragmented and the size should be
2626 * less than HCI_WMT_MAX_EVENT_SIZE.
2627 */
2628 skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
2629 if (!skb) {
2630 hdev->stat.err_rx++;
60c6a63a 2631 kfree(urb->setup_packet);
de71a6cb 2632 return;
a1c49c43
SW		 2633 }
2634
2635 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
2636 skb_put_data(skb, urb->transfer_buffer, urb->actual_length);
2637
a1c49c43
SW		 2638 /* When someone waits for the WMT event, the skb is being cloned
2639 * and being processed the events from there then.
2640 */
2641 if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) {
22cc6b7a 2642 data->evt_skb = skb_clone(skb, GFP_ATOMIC);
de71a6cb
JZ		 2643 if (!data->evt_skb) {
2644 kfree_skb(skb);
60c6a63a 2645 kfree(urb->setup_packet);
de71a6cb
JZ		 2646 return;
2647 }
a1c49c43
SW		 2648 }
2649
2650 err = hci_recv_frame(hdev, skb);
de71a6cb
JZ		 2651 if (err < 0) {
2652 kfree_skb(data->evt_skb);
2653 data->evt_skb = NULL;
60c6a63a 2654 kfree(urb->setup_packet);
de71a6cb
JZ		 2655 return;
2656 }
a1c49c43
SW		 2657
2658 if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT,
2659 &data->flags)) {
2660 /* Barrier to sync with other CPUs */
2661 smp_mb__after_atomic();
2662 wake_up_bit(&data->flags,
2663 BTUSB_TX_WAIT_VND_EVT);
2664 }
60c6a63a 2665 kfree(urb->setup_packet);
a1c49c43
SW		 2666 return;
2667 } else if (urb->status == -ENOENT) {
2668 /* Avoid suspend failed when usb_kill_urb */
2669 return;
2670 }
2671
2672 usb_mark_last_busy(data->udev);
2673
2674 /* The URB complete handler is still called with urb->actual_length = 0
2675 * when the event is not available, so we should keep re-submitting
2676 * URB until WMT event returns, Also, It's necessary to wait some time
2677 * between the two consecutive control URBs to relax the target device
2678 * to generate the event. Otherwise, the WMT event cannot return from
2679 * the device successfully.
2680 */
48c13301 2681 udelay(500);
a1c49c43
SW		 2682
2683 usb_anchor_urb(urb, &data->ctrl_anchor);
2684 err = usb_submit_urb(urb, GFP_ATOMIC);
2685 if (err < 0) {
60c6a63a 2686 kfree(urb->setup_packet);
a1c49c43
SW		 2687 /* -EPERM: urb is being killed;
2688 * -ENODEV: device got disconnected
2689 */
2690 if (err != -EPERM && err != -ENODEV)
2691 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
2692 urb, -err);
2693 usb_unanchor_urb(urb);
2694 }
2695}
2696
2697static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev)
2698{
2699 struct btusb_data *data = hci_get_drvdata(hdev);
2700 struct usb_ctrlrequest *dr;
2701 unsigned char *buf;
2702 int err, size = 64;
2703 unsigned int pipe;
2704 struct urb *urb;
2705
2706 urb = usb_alloc_urb(0, GFP_KERNEL);
2707 if (!urb)
2708 return -ENOMEM;
2709
2710 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
2711 if (!dr) {
2712 usb_free_urb(urb);
2713 return -ENOMEM;
2714 }
2715
2716 dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
2717 dr->bRequest = 1;
2718 dr->wIndex = cpu_to_le16(0);
2719 dr->wValue = cpu_to_le16(48);
2720 dr->wLength = cpu_to_le16(size);
2721
2722 buf = kmalloc(size, GFP_KERNEL);
2723 if (!buf) {
2724 kfree(dr);
d33fe77b 2725 usb_free_urb(urb);
a1c49c43
SW		 2726 return -ENOMEM;
2727 }
2728
2729 pipe = usb_rcvctrlpipe(data->udev, 0);
2730
2731 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
2732 buf, size, btusb_mtk_wmt_recv, hdev);
2733
2734 urb->transfer_flags |= URB_FREE_BUFFER;
2735
2736 usb_anchor_urb(urb, &data->ctrl_anchor);
2737 err = usb_submit_urb(urb, GFP_KERNEL);
2738 if (err < 0) {
2739 if (err != -EPERM && err != -ENODEV)
2740 bt_dev_err(hdev, "urb %p submission failed (%d)",
2741 urb, -err);
2742 usb_unanchor_urb(urb);
2743 }
2744
2745 usb_free_urb(urb);
2746
2747 return err;
2748}
2749
2750static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
2751 struct btmtk_hci_wmt_params *wmt_params)
2752{
2753 struct btusb_data *data = hci_get_drvdata(hdev);
2754 struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
2755 u32 hlen, status = BTMTK_WMT_INVALID;
2756 struct btmtk_hci_wmt_evt *wmt_evt;
10888140 2757 struct btmtk_hci_wmt_cmd *wc;
a1c49c43
SW		 2758 struct btmtk_wmt_hdr *hdr;
2759 int err;
2760
a1c49c43
SW		 2761 /* Send the WMT command and wait until the WMT event returns */
2762 hlen = sizeof(*hdr) + wmt_params->dlen;
2763 if (hlen > 255)
2764 return -EINVAL;
2765
10888140
AB		 2766 wc = kzalloc(hlen, GFP_KERNEL);
2767 if (!wc)
2768 return -ENOMEM;
2769
2770 hdr = &wc->hdr;
a1c49c43
SW		 2771 hdr->dir = 1;
2772 hdr->op = wmt_params->op;
2773 hdr->dlen = cpu_to_le16(wmt_params->dlen + 1);
2774 hdr->flag = wmt_params->flag;
10888140 2775 memcpy(wc->data, wmt_params->data, wmt_params->dlen);
a1c49c43
SW		 2776
2777 set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2778
fd3f1066
SW		 2779 /* WMT cmd/event doesn't follow up the generic HCI cmd/event handling,
2780 * it needs constantly polling control pipe until the host received the
2781 * WMT event, thus, we should require to specifically acquire PM counter
2782 * on the USB to prevent the interface from entering auto suspended
2783 * while WMT cmd/event in progress.
2784 */
2785 err = usb_autopm_get_interface(data->intf);
2786 if (err < 0)
2787 goto err_free_wc;
2788
10888140 2789 err = __hci_cmd_send(hdev, 0xfc6f, hlen, wc);
a1c49c43
SW		 2790
2791 if (err < 0) {
2792 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
fd3f1066 2793 usb_autopm_put_interface(data->intf);
10888140 2794 goto err_free_wc;
a1c49c43
SW		 2795 }
2796
8454ed9f 2797 /* Submit control IN URB on demand to process the WMT event */
2798 err = btusb_mtk_submit_wmt_recv_urb(hdev);
fd3f1066
SW		 2799
2800 usb_autopm_put_interface(data->intf);
2801
8454ed9f 2802 if (err < 0)
44e936d7 2803 goto err_free_wc;
8454ed9f 2804
a1c49c43
SW		 2805 /* The vendor specific WMT commands are all answered by a vendor
2806 * specific event and will have the Command Status or Command
2807 * Complete as with usual HCI command flow control.
2808 *
2809 * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT
2810 * state to be cleared. The driver specific event receive routine
2811 * will clear that state and with that indicate completion of the
2812 * WMT command.
2813 */
2814 err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT,
2815 TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT);
2816 if (err == -EINTR) {
2817 bt_dev_err(hdev, "Execution of wmt command interrupted");
2818 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
10888140 2819 goto err_free_wc;
a1c49c43
SW		 2820 }
2821
2822 if (err) {
2823 bt_dev_err(hdev, "Execution of wmt command timed out");
2824 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
10888140
AB		 2825 err = -ETIMEDOUT;
2826 goto err_free_wc;
a1c49c43
SW		 2827 }
2828
624820f7
W		 2829 if (data->evt_skb == NULL)
2830 goto err_free_wc;
2831
a1c49c43
SW		 2832 /* Parse and handle the return WMT event */
2833 wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data;
2834 if (wmt_evt->whdr.op != hdr->op) {
2835 bt_dev_err(hdev, "Wrong op received %d expected %d",
2836 wmt_evt->whdr.op, hdr->op);
2837 err = -EIO;
2838 goto err_free_skb;
2839 }
2840
2841 switch (wmt_evt->whdr.op) {
2842 case BTMTK_WMT_SEMAPHORE:
2843 if (wmt_evt->whdr.flag == 2)
2844 status = BTMTK_WMT_PATCH_UNDONE;
2845 else
2846 status = BTMTK_WMT_PATCH_DONE;
2847 break;
2848 case BTMTK_WMT_FUNC_CTRL:
2849 wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt;
2850 if (be16_to_cpu(wmt_evt_funcc->status) == 0x404)
2851 status = BTMTK_WMT_ON_DONE;
2852 else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420)
2853 status = BTMTK_WMT_ON_PROGRESS;
2854 else
2855 status = BTMTK_WMT_ON_UNDONE;
2856 break;
fc342c4d
MC		 2857 case BTMTK_WMT_PATCH_DWNLD:
2858 if (wmt_evt->whdr.flag == 2)
2859 status = BTMTK_WMT_PATCH_DONE;
2860 else if (wmt_evt->whdr.flag == 1)
2861 status = BTMTK_WMT_PATCH_PROGRESS;
2862 else
2863 status = BTMTK_WMT_PATCH_UNDONE;
2864 break;
a1c49c43
SW		 2865 }
2866
2867 if (wmt_params->status)
2868 *wmt_params->status = status;
2869
2870err_free_skb:
2871 kfree_skb(data->evt_skb);
2872 data->evt_skb = NULL;
10888140
AB		 2873err_free_wc:
2874 kfree(wc);
a1c49c43
SW		 2875 return err;
2876}
2877
a1c49c43
SW		 2878static int btusb_mtk_func_query(struct hci_dev *hdev)
2879{
2880 struct btmtk_hci_wmt_params wmt_params;
2881 int status, err;
2882 u8 param = 0;
2883
2884 /* Query whether the function is enabled */
2885 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
2886 wmt_params.flag = 4;
2887 wmt_params.dlen = sizeof(param);
2888 wmt_params.data = &param;
2889 wmt_params.status = &status;
2890
2891 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2892 if (err < 0) {
2893 bt_dev_err(hdev, "Failed to query function status (%d)", err);
2894 return err;
2895 }
2896
2897 return status;
2898}
2899
e9478026 2900static int btusb_mtk_uhw_reg_write(struct btusb_data *data, u32 reg, u32 val)
2901{
2902 struct hci_dev *hdev = data->hdev;
2903 int pipe, err;
2904 void *buf;
2905
2906 buf = kzalloc(4, GFP_KERNEL);
2907 if (!buf)
2908 return -ENOMEM;
2909
2910 put_unaligned_le32(val, buf);
2911
2912 pipe = usb_sndctrlpipe(data->udev, 0);
2913 err = usb_control_msg(data->udev, pipe, 0x02,
2914 0x5E,
2915 reg >> 16, reg & 0xffff,
2916 buf, 4, USB_CTRL_SET_TIMEOUT);
2917 if (err < 0) {
2918 bt_dev_err(hdev, "Failed to write uhw reg(%d)", err);
2919 goto err_free_buf;
2920 }
2921
2922err_free_buf:
2923 kfree(buf);
2924
2925 return err;
2926}
2927
2928static int btusb_mtk_uhw_reg_read(struct btusb_data *data, u32 reg, u32 *val)
2929{
2930 struct hci_dev *hdev = data->hdev;
2931 int pipe, err;
2932 void *buf;
2933
2934 buf = kzalloc(4, GFP_KERNEL);
2935 if (!buf)
2936 return -ENOMEM;
2937
2938 pipe = usb_rcvctrlpipe(data->udev, 0);
2939 err = usb_control_msg(data->udev, pipe, 0x01,
2940 0xDE,
2941 reg >> 16, reg & 0xffff,
2942 buf, 4, USB_CTRL_SET_TIMEOUT);
2943 if (err < 0) {
2944 bt_dev_err(hdev, "Failed to read uhw reg(%d)", err);
2945 goto err_free_buf;
2946 }
2947
2948 *val = get_unaligned_le32(buf);
2949 bt_dev_dbg(hdev, "reg=%x, value=0x%08x", reg, *val);
2950
2951err_free_buf:
2952 kfree(buf);
2953
2954 return err;
2955}
2956
a1c49c43
SW		 2957static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val)
2958{
2959 int pipe, err, size = sizeof(u32);
2960 void *buf;
2961
2962 buf = kzalloc(size, GFP_KERNEL);
2963 if (!buf)
2964 return -ENOMEM;
2965
2966 pipe = usb_rcvctrlpipe(data->udev, 0);
2967 err = usb_control_msg(data->udev, pipe, 0x63,
2968 USB_TYPE_VENDOR | USB_DIR_IN,
2969 reg >> 16, reg & 0xffff,
2970 buf, size, USB_CTRL_SET_TIMEOUT);
2971 if (err < 0)
2972 goto err_free_buf;
2973
2974 *val = get_unaligned_le32(buf);
2975
2976err_free_buf:
2977 kfree(buf);
2978
2979 return err;
2980}
2981
48c13301 2982static int btusb_mtk_id_get(struct btusb_data *data, u32 reg, u32 *id)
a1c49c43 2983{
48c13301 2984 return btusb_mtk_reg_read(data, reg, id);
a1c49c43
SW		 2985}
2986
ca58330c
SW		 2987static u32 btusb_mtk_reset_done(struct hci_dev *hdev)
2988{
2989 struct btusb_data *data = hci_get_drvdata(hdev);
2990 u32 val = 0;
2991
2992 btusb_mtk_uhw_reg_read(data, MTK_BT_MISC, &val);
2993
2994 return val & MTK_BT_RST_DONE;
2995}
2996
25b6d759
JC		 2997static int btusb_mtk_reset(struct hci_dev *hdev, void *rst_data)
2998{
2999 struct btusb_data *data = hci_get_drvdata(hdev);
3000 struct btmediatek_data *mediatek;
3001 u32 val;
3002 int err;
3003
3004 /* It's MediaTek specific bluetooth reset mechanism via USB */
3005 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
3006 bt_dev_err(hdev, "last reset failed? Not resetting again");
3007 return -EBUSY;
3008 }
3009
3010 err = usb_autopm_get_interface(data->intf);
3011 if (err < 0)
3012 return err;
3013
3014 btusb_stop_traffic(data);
3015 usb_kill_anchored_urbs(&data->tx_anchor);
3016 mediatek = hci_get_priv(hdev);
3017
3018 if (mediatek->dev_id == 0x7925) {
3019 btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, &val);
3020 val |= (1 << 5);
3021 btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val);
3022 btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, &val);
3023 val &= 0xFFFF00FF;
3024 val |= (1 << 13);
3025 btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val);
3026 btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, 0x00010001);
3027 btusb_mtk_uhw_reg_read(data, MTK_BT_RESET_REG_CONNV3, &val);
3028 val |= (1 << 0);
3029 btusb_mtk_uhw_reg_write(data, MTK_BT_RESET_REG_CONNV3, val);
3030 btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, 0x000000FF);
3031 btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, &val);
3032 btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, 0x000000FF);
3033 btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, &val);
3034 msleep(100);
3035 } else {
3036 /* It's Device EndPoint Reset Option Register */
3037 bt_dev_dbg(hdev, "Initiating reset mechanism via uhw");
3038 btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);
3039 btusb_mtk_uhw_reg_read(data, MTK_BT_WDT_STATUS, &val);
3040
3041 /* Reset the bluetooth chip via USB interface. */
3042 btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, 1);
3043 btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT, 0x000000FF);
3044 btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT, &val);
3045 btusb_mtk_uhw_reg_write(data, MTK_UDMA_INT_STA_BT1, 0x000000FF);
3046 btusb_mtk_uhw_reg_read(data, MTK_UDMA_INT_STA_BT1, &val);
3047 /* MT7921 need to delay 20ms between toggle reset bit */
3048 msleep(20);
3049 btusb_mtk_uhw_reg_write(data, MTK_BT_SUBSYS_RST, 0);
3050 btusb_mtk_uhw_reg_read(data, MTK_BT_SUBSYS_RST, &val);
3051 }
3052
3053 err = readx_poll_timeout(btusb_mtk_reset_done, hdev, val,
3054 val & MTK_BT_RST_DONE, 20000, 1000000);
3055 if (err < 0)
3056 bt_dev_err(hdev, "Reset timeout");
3057
3058 btusb_mtk_id_get(data, 0x70010200, &val);
3059 if (!val)
3060 bt_dev_err(hdev, "Can't get device id, subsys reset fail.");
3061
3062 usb_queue_reset_device(data->intf);
3063
3064 clear_bit(BTUSB_HW_RESET_ACTIVE, &data->flags);
3065
3066 return err;
3067}
3068
a1c49c43
SW		 3069static int btusb_mtk_setup(struct hci_dev *hdev)
3070{
3071 struct btusb_data *data = hci_get_drvdata(hdev);
3072 struct btmtk_hci_wmt_params wmt_params;
3073 ktime_t calltime, delta, rettime;
3074 struct btmtk_tci_sleep tci_sleep;
3075 unsigned long long duration;
3076 struct sk_buff *skb;
3077 const char *fwname;
3078 int err, status;
4c92ae75 3079 u32 dev_id = 0;
fc342c4d 3080 char fw_bin_name[64];
201cf397 3081 u32 fw_version = 0;
a1c49c43 3082 u8 param;
4c92ae75 3083 struct btmediatek_data *mediatek;
a1c49c43
SW		 3084
3085 calltime = ktime_get();
3086
48c13301 3087 err = btusb_mtk_id_get(data, 0x80000008, &dev_id);
a1c49c43
SW		 3088 if (err < 0) {
3089 bt_dev_err(hdev, "Failed to get device id (%d)", err);
3090 return err;
3091 }
3092
4c92ae75 3093 if (!dev_id || dev_id != 0x7663) {
fc342c4d
MC		 3094 err = btusb_mtk_id_get(data, 0x70010200, &dev_id);
3095 if (err < 0) {
3096 bt_dev_err(hdev, "Failed to get device id (%d)", err);
3097 return err;
3098 }
3099 err = btusb_mtk_id_get(data, 0x80021004, &fw_version);
3100 if (err < 0) {
3101 bt_dev_err(hdev, "Failed to get fw version (%d)", err);
3102 return err;
3103 }
3104 }
3105
4c92ae75
PT		 3106 mediatek = hci_get_priv(hdev);
3107 mediatek->dev_id = dev_id;
25b6d759 3108 mediatek->reset_sync = btusb_mtk_reset;
4c92ae75 3109
0b701513
JC		 3110 err = btmtk_register_coredump(hdev, btusb_driver.name, fw_version);
3111 if (err < 0)
3112 bt_dev_err(hdev, "Failed to register coredump (%d)", err);
3113
a1c49c43 3114 switch (dev_id) {
9ce67c32
SW		 3115 case 0x7663:
3116 fwname = FIRMWARE_MT7663;
3117 break;
a1c49c43
SW		 3118 case 0x7668:
3119 fwname = FIRMWARE_MT7668;
3120 break;
09a19d6d 3121 case 0x7922:
fc342c4d 3122 case 0x7961:
4c92ae75
PT		 3123 case 0x7925:
3124 if (dev_id == 0x7925)
3125 snprintf(fw_bin_name, sizeof(fw_bin_name),
3126 "mediatek/mt%04x/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
3127 dev_id & 0xffff, dev_id & 0xffff, (fw_version & 0xff) + 1);
3128 else
3129 snprintf(fw_bin_name, sizeof(fw_bin_name),
3130 "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin",
3131 dev_id & 0xffff, (fw_version & 0xff) + 1);
3132
8c0d17b6
SW		 3133 err = btmtk_setup_firmware_79xx(hdev, fw_bin_name,
3134 btusb_mtk_hci_wmt_sync);
00c0ee98
MC		 3135 if (err < 0) {
3136 bt_dev_err(hdev, "Failed to set up firmware (%d)", err);
3137 return err;
3138 }
fc342c4d 3139
e9478026 3140 /* It's Device EndPoint Reset Option Register */
3141 btusb_mtk_uhw_reg_write(data, MTK_EP_RST_OPT, MTK_EP_RST_IN_OUT_OPT);
3142
fc342c4d
MC		 3143 /* Enable Bluetooth protocol */
3144 param = 1;
3145 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3146 wmt_params.flag = 0;
3147 wmt_params.dlen = sizeof(param);
3148 wmt_params.data = &param;
3149 wmt_params.status = NULL;
3150
3151 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3152 if (err < 0) {
3153 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3154 return err;
3155 }
654e6f77 3156
3157 hci_set_msft_opcode(hdev, 0xFD30);
28491d7e 3158 hci_set_aosp_capable(hdev);
fc342c4d 3159 goto done;
a1c49c43 3160 default:
a297f565 3161 bt_dev_err(hdev, "Unsupported hardware variant (%08x)",
a1c49c43
SW		 3162 dev_id);
3163 return -ENODEV;
3164 }
3165
3166 /* Query whether the firmware is already download */
3167 wmt_params.op = BTMTK_WMT_SEMAPHORE;
3168 wmt_params.flag = 1;
3169 wmt_params.dlen = 0;
3170 wmt_params.data = NULL;
3171 wmt_params.status = &status;
3172
3173 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3174 if (err < 0) {
3175 bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
3176 return err;
3177 }
3178
3179 if (status == BTMTK_WMT_PATCH_DONE) {
3180 bt_dev_info(hdev, "firmware already downloaded");
3181 goto ignore_setup_fw;
3182 }
3183
3184 /* Setup a firmware which the device definitely requires */
8c0d17b6
SW		 3185 err = btmtk_setup_firmware(hdev, fwname,
3186 btusb_mtk_hci_wmt_sync);
a1c49c43
SW		 3187 if (err < 0)
3188 return err;
3189
3190ignore_setup_fw:
3191 err = readx_poll_timeout(btusb_mtk_func_query, hdev, status,
3192 status < 0 || status != BTMTK_WMT_ON_PROGRESS,
3193 2000, 5000000);
3194 /* -ETIMEDOUT happens */
3195 if (err < 0)
3196 return err;
3197
3198 /* The other errors happen in btusb_mtk_func_query */
3199 if (status < 0)
3200 return status;
3201
3202 if (status == BTMTK_WMT_ON_DONE) {
3203 bt_dev_info(hdev, "function already on");
3204 goto ignore_func_on;
3205 }
3206
3207 /* Enable Bluetooth protocol */
3208 param = 1;
3209 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3210 wmt_params.flag = 0;
3211 wmt_params.dlen = sizeof(param);
3212 wmt_params.data = &param;
3213 wmt_params.status = NULL;
3214
3215 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3216 if (err < 0) {
3217 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3218 return err;
3219 }
3220
3221ignore_func_on:
3222 /* Apply the low power environment setup */
3223 tci_sleep.mode = 0x5;
3224 tci_sleep.duration = cpu_to_le16(0x640);
3225 tci_sleep.host_duration = cpu_to_le16(0x640);
3226 tci_sleep.host_wakeup_pin = 0;
3227 tci_sleep.time_compensation = 0;
3228
3229 skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
3230 HCI_INIT_TIMEOUT);
3231 if (IS_ERR(skb)) {
3232 err = PTR_ERR(skb);
3233 bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
3234 return err;
3235 }
3236 kfree_skb(skb);
3237
fc342c4d 3238done:
a1c49c43
SW		 3239 rettime = ktime_get();
3240 delta = ktime_sub(rettime, calltime);
3241 duration = (unsigned long long)ktime_to_ns(delta) >> 10;
3242
3243 bt_dev_info(hdev, "Device setup in %llu usecs", duration);
3244
3245 return 0;
3246}
3247
3248static int btusb_mtk_shutdown(struct hci_dev *hdev)
3249{
3250 struct btmtk_hci_wmt_params wmt_params;
3251 u8 param = 0;
3252 int err;
3253
3254 /* Disable the device */
3255 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3256 wmt_params.flag = 0;
3257 wmt_params.dlen = sizeof(param);
3258 wmt_params.data = &param;
3259 wmt_params.status = NULL;
3260
3261 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3262 if (err < 0) {
3263 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3264 return err;
3265 }
3266
3267 return 0;
3268}
3269
0b10c8c8 3270static int btusb_recv_acl_mtk(struct hci_dev *hdev, struct sk_buff *skb)
3271{
3272 struct btusb_data *data = hci_get_drvdata(hdev);
3273 u16 handle = le16_to_cpu(hci_acl_hdr(skb)->handle);
0b701513 3274 struct sk_buff *skb_cd;
0b10c8c8 3275
3276 switch (handle) {
3277 case 0xfc6f: /* Firmware dump from device */
3278 /* When the firmware hangs, the device can no longer
3279 * suspend and thus disable auto-suspend.
3280 */
3281 usb_disable_autosuspend(data->udev);
0b701513
JC		 3282
3283 /* We need to forward the diagnostic packet to userspace daemon
3284 * for backward compatibility, so we have to clone the packet
3285 * extraly for the in-kernel coredump support.
3286 */
3287 skb_cd = skb_clone(skb, GFP_ATOMIC);
3288 if (skb_cd)
3289 btmtk_process_coredump(hdev, skb_cd);
3290
146af226 3291 fallthrough;
0b10c8c8 3292 case 0x05ff: /* Firmware debug logging 1 */
3293 case 0x05fe: /* Firmware debug logging 2 */
3294 return hci_recv_diag(hdev, skb);
3295 }
3296
3297 return hci_recv_frame(hdev, skb);
3298}
3299
a4ccc9e3
RJ		 3300#ifdef CONFIG_PM
3301/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
3302static int marvell_config_oob_wake(struct hci_dev *hdev)
3303{
3304 struct sk_buff *skb;
3305 struct btusb_data *data = hci_get_drvdata(hdev);
3306 struct device *dev = &data->udev->dev;
3307 u16 pin, gap, opcode;
3308 int ret;
3309 u8 cmd[5];
3310
3311 /* Move on if no wakeup pin specified */
3312 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
3313 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
3314 return 0;
3315
3316 /* Vendor specific command to configure a GPIO as wake-up pin */
3317 opcode = hci_opcode_pack(0x3F, 0x59);
3318 cmd[0] = opcode & 0xFF;
3319 cmd[1] = opcode >> 8;
3320 cmd[2] = 2; /* length of parameters that follow */
3321 cmd[3] = pin;
3322 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */
3323
3324 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
3325 if (!skb) {
d84fc2c9 3326 bt_dev_err(hdev, "%s: No memory", __func__);
a4ccc9e3
RJ		 3327 return -ENOMEM;
3328 }
3329
59ae1d12 3330 skb_put_data(skb, cmd, sizeof(cmd));
a4ccc9e3
RJ		 3331 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
3332
3333 ret = btusb_send_frame(hdev, skb);
3334 if (ret) {
d84fc2c9 3335 bt_dev_err(hdev, "%s: configuration failed", __func__);
a4ccc9e3
RJ		 3336 kfree_skb(skb);
3337 return ret;
3338 }
3339
3340 return 0;
3341}
3342#endif
3343
ae8df494
AK		 3344static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
3345 const bdaddr_t *bdaddr)
3346{
3347 struct sk_buff *skb;
3348 u8 buf[8];
3349 long ret;
3350
3351 buf[0] = 0xfe;
3352 buf[1] = sizeof(bdaddr_t);
3353 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
3354
3355 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3356 if (IS_ERR(skb)) {
3357 ret = PTR_ERR(skb);
2064ee33
MH		 3358 bt_dev_err(hdev, "changing Marvell device address failed (%ld)",
3359 ret);
ae8df494
AK		 3360 return ret;
3361 }
3362 kfree_skb(skb);
3363
3364 return 0;
3365}
3366
5859223e
TK		 3367static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
3368 const bdaddr_t *bdaddr)
3369{
3370 struct sk_buff *skb;
3371 u8 buf[10];
3372 long ret;
3373
3374 buf[0] = 0x01;
3375 buf[1] = 0x01;
3376 buf[2] = 0x00;
3377 buf[3] = sizeof(bdaddr_t);
3378 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
3379
3380 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3381 if (IS_ERR(skb)) {
3382 ret = PTR_ERR(skb);
2064ee33 3383 bt_dev_err(hdev, "Change address command failed (%ld)", ret);
5859223e
TK		 3384 return ret;
3385 }
3386 kfree_skb(skb);
3387
3388 return 0;
3389}
3390
b40f58b9
RL		 3391static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev,
3392 const bdaddr_t *bdaddr)
3393{
3394 struct sk_buff *skb;
3395 u8 buf[6];
3396 long ret;
3397
3398 memcpy(buf, bdaddr, sizeof(bdaddr_t));
3399
3400 skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf,
3401 HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT);
3402 if (IS_ERR(skb)) {
3403 ret = PTR_ERR(skb);
3404 bt_dev_err(hdev, "Change address command failed (%ld)", ret);
3405 return ret;
3406 }
3407 kfree_skb(skb);
3408
3409 return 0;
3410}
3411
20981ce2
TJ		 3412#define QCA_MEMDUMP_ACL_HANDLE 0x2EDD
3413#define QCA_MEMDUMP_SIZE_MAX 0x100000
3414#define QCA_MEMDUMP_VSE_CLASS 0x01
3415#define QCA_MEMDUMP_MSG_TYPE 0x08
3416#define QCA_MEMDUMP_PKT_SIZE 248
3417#define QCA_LAST_SEQUENCE_NUM 0xffff
3418
3419struct qca_dump_hdr {
3420 u8 vse_class;
3421 u8 msg_type;
3422 __le16 seqno;
3423 u8 reserved;
3424 union {
3425 u8 data[0];
3426 struct {
3427 __le32 ram_dump_size;
3428 u8 data0[0];
3429 } __packed;
3430 };
3431} __packed;
3432
3433
3434static void btusb_dump_hdr_qca(struct hci_dev *hdev, struct sk_buff *skb)
3435{
3436 char buf[128];
3437 struct btusb_data *btdata = hci_get_drvdata(hdev);
3438
3439 snprintf(buf, sizeof(buf), "Controller Name: 0x%x\n",
3440 btdata->qca_dump.controller_id);
3441 skb_put_data(skb, buf, strlen(buf));
3442
3443 snprintf(buf, sizeof(buf), "Firmware Version: 0x%x\n",
3444 btdata->qca_dump.fw_version);
3445 skb_put_data(skb, buf, strlen(buf));
3446
3447 snprintf(buf, sizeof(buf), "Driver: %s\nVendor: qca\n",
3448 btusb_driver.name);
3449 skb_put_data(skb, buf, strlen(buf));
3450
3451 snprintf(buf, sizeof(buf), "VID: 0x%x\nPID:0x%x\n",
3452 btdata->qca_dump.id_vendor, btdata->qca_dump.id_product);
3453 skb_put_data(skb, buf, strlen(buf));
3454
3455 snprintf(buf, sizeof(buf), "Lmp Subversion: 0x%x\n",
3456 hdev->lmp_subver);
3457 skb_put_data(skb, buf, strlen(buf));
3458}
3459
3460static void btusb_coredump_qca(struct hci_dev *hdev)
3461{
3462 static const u8 param[] = { 0x26 };
3463 struct sk_buff *skb;
3464
3465 skb = __hci_cmd_sync(hdev, 0xfc0c, 1, param, HCI_CMD_TIMEOUT);
3466 if (IS_ERR(skb))
3467 bt_dev_err(hdev, "%s: triggle crash failed (%ld)", __func__, PTR_ERR(skb));
3468 kfree_skb(skb);
3469}
3470
3471/*
3472 * ==0: not a dump pkt.
3473 * < 0: fails to handle a dump pkt
3474 * > 0: otherwise.
3475 */
3476static int handle_dump_pkt_qca(struct hci_dev *hdev, struct sk_buff *skb)
3477{
3478 int ret = 1;
3479 u8 pkt_type;
3480 u8 *sk_ptr;
3481 unsigned int sk_len;
3482 u16 seqno;
3483 u32 dump_size;
3484
3485 struct hci_event_hdr *event_hdr;
3486 struct hci_acl_hdr *acl_hdr;
3487 struct qca_dump_hdr *dump_hdr;
3488 struct btusb_data *btdata = hci_get_drvdata(hdev);
3489 struct usb_device *udev = btdata->udev;
3490
3491 pkt_type = hci_skb_pkt_type(skb);
3492 sk_ptr = skb->data;
3493 sk_len = skb->len;
3494
3495 if (pkt_type == HCI_ACLDATA_PKT) {
3496 acl_hdr = hci_acl_hdr(skb);
3497 if (le16_to_cpu(acl_hdr->handle) != QCA_MEMDUMP_ACL_HANDLE)
3498 return 0;
3499 sk_ptr += HCI_ACL_HDR_SIZE;
3500 sk_len -= HCI_ACL_HDR_SIZE;
3501 event_hdr = (struct hci_event_hdr *)sk_ptr;
3502 } else {
3503 event_hdr = hci_event_hdr(skb);
3504 }
3505
3506 if ((event_hdr->evt != HCI_VENDOR_PKT)
3507 || (event_hdr->plen != (sk_len - HCI_EVENT_HDR_SIZE)))
3508 return 0;
3509
3510 sk_ptr += HCI_EVENT_HDR_SIZE;
3511 sk_len -= HCI_EVENT_HDR_SIZE;
3512
3513 dump_hdr = (struct qca_dump_hdr *)sk_ptr;
3514 if ((sk_len < offsetof(struct qca_dump_hdr, data))
3515 || (dump_hdr->vse_class != QCA_MEMDUMP_VSE_CLASS)
3516 || (dump_hdr->msg_type != QCA_MEMDUMP_MSG_TYPE))
3517 return 0;
3518
3519 /*it is dump pkt now*/
3520 seqno = le16_to_cpu(dump_hdr->seqno);
3521 if (seqno == 0) {
3522 set_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags);
3523 dump_size = le32_to_cpu(dump_hdr->ram_dump_size);
3524 if (!dump_size || (dump_size > QCA_MEMDUMP_SIZE_MAX)) {
3525 ret = -EILSEQ;
3526 bt_dev_err(hdev, "Invalid memdump size(%u)",
3527 dump_size);
3528 goto out;
3529 }
3530
3531 ret = hci_devcd_init(hdev, dump_size);
3532 if (ret < 0) {
3533 bt_dev_err(hdev, "memdump init error(%d)", ret);
3534 goto out;
3535 }
3536
3537 btdata->qca_dump.ram_dump_size = dump_size;
3538 btdata->qca_dump.ram_dump_seqno = 0;
3539 sk_ptr += offsetof(struct qca_dump_hdr, data0);
3540 sk_len -= offsetof(struct qca_dump_hdr, data0);
3541
3542 usb_disable_autosuspend(udev);
3543 bt_dev_info(hdev, "%s memdump size(%u)\n",
3544 (pkt_type == HCI_ACLDATA_PKT) ? "ACL" : "event",
3545 dump_size);
3546 } else {
3547 sk_ptr += offsetof(struct qca_dump_hdr, data);
3548 sk_len -= offsetof(struct qca_dump_hdr, data);
3549 }
3550
3551 if (!btdata->qca_dump.ram_dump_size) {
3552 ret = -EINVAL;
3553 bt_dev_err(hdev, "memdump is not active");
3554 goto out;
3555 }
3556
3557 if ((seqno > btdata->qca_dump.ram_dump_seqno + 1) && (seqno != QCA_LAST_SEQUENCE_NUM)) {
3558 dump_size = QCA_MEMDUMP_PKT_SIZE * (seqno - btdata->qca_dump.ram_dump_seqno - 1);
3559 hci_devcd_append_pattern(hdev, 0x0, dump_size);
3560 bt_dev_err(hdev,
3561 "expected memdump seqno(%u) is not received(%u)\n",
3562 btdata->qca_dump.ram_dump_seqno, seqno);
3563 btdata->qca_dump.ram_dump_seqno = seqno;
3564 kfree_skb(skb);
3565 return ret;
3566 }
3567
3568 skb_pull(skb, skb->len - sk_len);
3569 hci_devcd_append(hdev, skb);
3570 btdata->qca_dump.ram_dump_seqno++;
3571 if (seqno == QCA_LAST_SEQUENCE_NUM) {
3572 bt_dev_info(hdev,
3573 "memdump done: pkts(%u), total(%u)\n",
3574 btdata->qca_dump.ram_dump_seqno, btdata->qca_dump.ram_dump_size);
3575
3576 hci_devcd_complete(hdev);
3577 goto out;
3578 }
3579 return ret;
3580
3581out:
3582 if (btdata->qca_dump.ram_dump_size)
3583 usb_enable_autosuspend(udev);
3584 btdata->qca_dump.ram_dump_size = 0;
3585 btdata->qca_dump.ram_dump_seqno = 0;
3586 clear_bit(BTUSB_HW_SSR_ACTIVE, &btdata->flags);
3587
3588 if (ret < 0)
3589 kfree_skb(skb);
3590 return ret;
3591}
3592
3593static int btusb_recv_acl_qca(struct hci_dev *hdev, struct sk_buff *skb)
3594{
3595 if (handle_dump_pkt_qca(hdev, skb))
3596 return 0;
3597 return hci_recv_frame(hdev, skb);
3598}
3599
3600static int btusb_recv_evt_qca(struct hci_dev *hdev, struct sk_buff *skb)
3601{
3602 if (handle_dump_pkt_qca(hdev, skb))
3603 return 0;
3604 return hci_recv_frame(hdev, skb);
3605}
3606
3607
3267c884
KBYT		 3608#define QCA_DFU_PACKET_LEN 4096
3609
3610#define QCA_GET_TARGET_VERSION 0x09
3611#define QCA_CHECK_STATUS 0x05
3612#define QCA_DFU_DOWNLOAD 0x01
3613
3614#define QCA_SYSCFG_UPDATED 0x40
3615#define QCA_PATCH_UPDATED 0x80
3616#define QCA_DFU_TIMEOUT 3000
ef2862a1 3617#define QCA_FLAG_MULTI_NVM 0x80
599ece4f 3618#define QCA_BT_RESET_WAIT_MS 100
3267c884 3619
d6cba4e6
TJ		 3620#define WCN6855_2_0_RAM_VERSION_GF 0x400c1200
3621#define WCN6855_2_1_RAM_VERSION_GF 0x400c1211
3622
3267c884
KBYT		 3623struct qca_version {
3624 __le32 rom_version;
3625 __le32 patch_version;
3626 __le32 ram_version;
741268ad 3627 __u8 chip_id;
3628 __u8 platform_id;
ef2862a1 3629 __le16 flag;
3267c884
KBYT		 3630 __u8 reserved[4];
3631} __packed;
3632
3633struct qca_rampatch_version {
b40f58b9
RL		 3634 __le16 rom_version_high;
3635 __le16 rom_version_low;
3267c884
KBYT		 3636 __le16 patch_version;
3637} __packed;
3638
3639struct qca_device_info {
bf906b3d
KBYT		 3640 u32 rom_version;
3641 u8 rampatch_hdr; /* length of header in rampatch */
3642 u8 nvm_hdr; /* length of header in NVM */
3643 u8 ver_offset; /* offset of version structure in rampatch */
3267c884
KBYT		 3644};
3645
3646static const struct qca_device_info qca_devices_table[] = {
b40f58b9
RL		 3647 { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */
3648 { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */
3649 { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */
3650 { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */
3651 { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */
3652 { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */
3653 { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */
3654 { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */
d6cba4e6 3655 { 0x00130201, 40, 4, 16 }, /* WCN6855 2.1 */
46225947 3656 { 0x00190200, 40, 4, 16 }, /* WCN785x 2.0 */
3267c884
KBYT		 3657};
3658
803cdb8c 3659static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
3267c884
KBYT		 3660 void *data, u16 size)
3661{
3267c884
KBYT		 3662 int pipe, err;
3663 u8 *buf;
3664
3665 buf = kmalloc(size, GFP_KERNEL);
3666 if (!buf)
3667 return -ENOMEM;
3668
3669 /* Found some of USB hosts have IOT issues with ours so that we should
3670 * not wait until HCI layer is ready.
3671 */
3672 pipe = usb_rcvctrlpipe(udev, 0);
3673 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
3674 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3675 if (err < 0) {
803cdb8c 3676 dev_err(&udev->dev, "Failed to access otp area (%d)", err);
3267c884
KBYT		 3677 goto done;
3678 }
3679
3680 memcpy(data, buf, size);
3681
3682done:
3683 kfree(buf);
3684
3685 return err;
3686}
3687
3688static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
3689 const struct firmware *firmware,
3690 size_t hdr_size)
3691{
3692 struct btusb_data *btdata = hci_get_drvdata(hdev);
3693 struct usb_device *udev = btdata->udev;
3694 size_t count, size, sent = 0;
3695 int pipe, len, err;
3696 u8 *buf;
3697
3698 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
3699 if (!buf)
3700 return -ENOMEM;
3701
3702 count = firmware->size;
3703
3704 size = min_t(size_t, count, hdr_size);
3705 memcpy(buf, firmware->data, size);
3706
3707 /* USB patches should go down to controller through USB path
3708 * because binary format fits to go down through USB channel.
3709 * USB control path is for patching headers and USB bulk is for
3710 * patch body.
3711 */
3712 pipe = usb_sndctrlpipe(udev, 0);
3713 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
3714 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3715 if (err < 0) {
2064ee33 3716 bt_dev_err(hdev, "Failed to send headers (%d)", err);
3267c884
KBYT		 3717 goto done;
3718 }
3719
3720 sent += size;
3721 count -= size;
3722
4f00bfb3
TJ		 3723 /* ep2 need time to switch from function acl to function dfu,
3724 * so we add 20ms delay here.
3725 */
3726 msleep(20);
3727
3267c884
KBYT		 3728 while (count) {
3729 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
3730
3731 memcpy(buf, firmware->data + sent, size);
3732
3733 pipe = usb_sndbulkpipe(udev, 0x02);
3734 err = usb_bulk_msg(udev, pipe, buf, size, &len,
3735 QCA_DFU_TIMEOUT);
3736 if (err < 0) {
2064ee33
MH		 3737 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)",
3738 sent, firmware->size, err);
3267c884
KBYT		 3739 break;
3740 }
3741
3742 if (size != len) {
2064ee33 3743 bt_dev_err(hdev, "Failed to get bulk buffer");
3267c884
KBYT		 3744 err = -EILSEQ;
3745 break;
3746 }
3747
3748 sent += size;
3749 count -= size;
3750 }
3751
3752done:
3753 kfree(buf);
3754 return err;
3755}
3756
3757static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
3758 struct qca_version *ver,
3759 const struct qca_device_info *info)
3760{
3761 struct qca_rampatch_version *rver;
3762 const struct firmware *fw;
b40f58b9
RL		 3763 u32 ver_rom, ver_patch, rver_rom;
3764 u16 rver_rom_low, rver_rom_high, rver_patch;
3267c884
KBYT		 3765 char fwname[64];
3766 int err;
3767
bf906b3d
KBYT		 3768 ver_rom = le32_to_cpu(ver->rom_version);
3769 ver_patch = le32_to_cpu(ver->patch_version);
3770
3771 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
3267c884
KBYT		 3772
3773 err = request_firmware(&fw, fwname, &hdev->dev);
3774 if (err) {
2064ee33
MH		 3775 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)",
3776 fwname, err);
3267c884
KBYT		 3777 return err;
3778 }
3779
2064ee33 3780 bt_dev_info(hdev, "using rampatch file: %s", fwname);
bf906b3d 3781
3267c884 3782 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
b40f58b9 3783 rver_rom_low = le16_to_cpu(rver->rom_version_low);
bf906b3d
KBYT		 3784 rver_patch = le16_to_cpu(rver->patch_version);
3785
b40f58b9
RL		 3786 if (ver_rom & ~0xffffU) {
3787 rver_rom_high = le16_to_cpu(rver->rom_version_high);
42d3b43e 3788 rver_rom = rver_rom_high << 16 | rver_rom_low;
b40f58b9
RL		 3789 } else {
3790 rver_rom = rver_rom_low;
3791 }
3792
2064ee33
MH		 3793 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
3794 "firmware rome 0x%x build 0x%x",
3795 rver_rom, rver_patch, ver_rom, ver_patch);
3267c884 3796
bf906b3d 3797 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
2064ee33 3798 bt_dev_err(hdev, "rampatch file version did not match with firmware");
3267c884
KBYT		 3799 err = -EINVAL;
3800 goto done;
3801 }
3802
3803 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
3804
3805done:
3806 release_firmware(fw);
3807
3808 return err;
3809}
3810
d6cba4e6
TJ		 3811static void btusb_generate_qca_nvm_name(char *fwname, size_t max_size,
3812 const struct qca_version *ver)
3813{
3814 u32 rom_version = le32_to_cpu(ver->rom_version);
3815 u16 flag = le16_to_cpu(ver->flag);
3816
3817 if (((flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) {
741268ad 3818 /* The board_id should be split into two bytes
3819 * The 1st byte is chip ID, and the 2nd byte is platform ID
3820 * For example, board ID 0x010A, 0x01 is platform ID. 0x0A is chip ID
21a241b3 3821 * we have several platforms, and platform IDs are continuously added
741268ad 3822 * Platform ID:
3823 * 0x00 is for Mobile
3824 * 0x01 is for X86
3825 * 0x02 is for Automotive
3826 * 0x03 is for Consumer electronic
3827 */
3828 u16 board_id = (ver->chip_id << 8) + ver->platform_id;
d6cba4e6
TJ		 3829 const char *variant;
3830
3831 switch (le32_to_cpu(ver->ram_version)) {
3832 case WCN6855_2_0_RAM_VERSION_GF:
3833 case WCN6855_2_1_RAM_VERSION_GF:
3834 variant = "_gf";
3835 break;
3836 default:
3837 variant = "";
3838 break;
3839 }
3840
3841 if (board_id == 0) {
3842 snprintf(fwname, max_size, "qca/nvm_usb_%08x%s.bin",
3843 rom_version, variant);
3844 } else {
3845 snprintf(fwname, max_size, "qca/nvm_usb_%08x%s_%04x.bin",
3846 rom_version, variant, board_id);
3847 }
3848 } else {
3849 snprintf(fwname, max_size, "qca/nvm_usb_%08x.bin",
3850 rom_version);
3851 }
3852
3853}
3854
3267c884
KBYT		 3855static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
3856 struct qca_version *ver,
3857 const struct qca_device_info *info)
3858{
3859 const struct firmware *fw;
3860 char fwname[64];
3861 int err;
3862
d6cba4e6 3863 btusb_generate_qca_nvm_name(fwname, sizeof(fwname), ver);
3267c884
KBYT		 3864
3865 err = request_firmware(&fw, fwname, &hdev->dev);
3866 if (err) {
2064ee33
MH		 3867 bt_dev_err(hdev, "failed to request NVM file: %s (%d)",
3868 fwname, err);
3267c884
KBYT		 3869 return err;
3870 }
3871
2064ee33 3872 bt_dev_info(hdev, "using NVM file: %s", fwname);
3267c884
KBYT		 3873
3874 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
3875
3876 release_firmware(fw);
3877
3878 return err;
3879}
3880
803cdb8c
TI		 3881/* identify the ROM version and check whether patches are needed */
3882static bool btusb_qca_need_patch(struct usb_device *udev)
3883{
3884 struct qca_version ver;
3885
3886 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
3887 sizeof(ver)) < 0)
3888 return false;
3889 /* only low ROM versions need patches */
3890 return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
3891}
3892
3267c884
KBYT		 3893static int btusb_setup_qca(struct hci_dev *hdev)
3894{
803cdb8c
TI		 3895 struct btusb_data *btdata = hci_get_drvdata(hdev);
3896 struct usb_device *udev = btdata->udev;
3267c884
KBYT		 3897 const struct qca_device_info *info = NULL;
3898 struct qca_version ver;
bf906b3d 3899 u32 ver_rom;
3267c884
KBYT		 3900 u8 status;
3901 int i, err;
3902
803cdb8c 3903 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
eb50042f 3904 sizeof(ver));
3267c884
KBYT		 3905 if (err < 0)
3906 return err;
3907
bf906b3d 3908 ver_rom = le32_to_cpu(ver.rom_version);
803cdb8c 3909
3267c884 3910 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
bf906b3d 3911 if (ver_rom == qca_devices_table[i].rom_version)
3267c884
KBYT		 3912 info = &qca_devices_table[i];
3913 }
3914 if (!info) {
234f414e
HW		 3915 /* If the rom_version is not matched in the qca_devices_table
3916 * and the high ROM version is not zero, we assume this chip no
3917 * need to load the rampatch and nvm.
3918 */
3919 if (ver_rom & ~0xffffU)
3920 return 0;
3921
2064ee33 3922 bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom);
3267c884
KBYT		 3923 return -ENODEV;
3924 }
3925
803cdb8c 3926 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
3267c884
KBYT		 3927 sizeof(status));
3928 if (err < 0)
3929 return err;
3930
3931 if (!(status & QCA_PATCH_UPDATED)) {
3932 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
3933 if (err < 0)
3934 return err;
3935 }
3936
ef2862a1
TJ		 3937 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
3938 sizeof(ver));
3939 if (err < 0)
3940 return err;
3941
20981ce2
TJ		 3942 btdata->qca_dump.fw_version = le32_to_cpu(ver.patch_version);
3943 btdata->qca_dump.controller_id = le32_to_cpu(ver.rom_version);
3944
3267c884
KBYT		 3945 if (!(status & QCA_SYSCFG_UPDATED)) {
3946 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
3947 if (err < 0)
3948 return err;
599ece4f 3949
46225947 3950 /* WCN6855 2.1 and later will reset to apply firmware downloaded here, so
599ece4f
ZH		 3951 * wait ~100ms for reset Done then go ahead, otherwise, it maybe
3952 * cause potential enable failure.
3953 */
46225947 3954 if (info->rom_version >= 0x00130201)
599ece4f 3955 msleep(QCA_BT_RESET_WAIT_MS);
3267c884
KBYT		 3956 }
3957
d44e1dbd
LAD		 3958 /* Mark HCI_OP_ENHANCED_SETUP_SYNC_CONN as broken as it doesn't seem to
3959 * work with the likes of HSP/HFP mSBC.
3960 */
3961 set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks);
3962
3267c884
KBYT		 3963 return 0;
3964}
3965
9d08f504
MH		 3966static inline int __set_diag_interface(struct hci_dev *hdev)
3967{
3968 struct btusb_data *data = hci_get_drvdata(hdev);
3969 struct usb_interface *intf = data->diag;
3970 int i;
3971
3972 if (!data->diag)
3973 return -ENODEV;
3974
3975 data->diag_tx_ep = NULL;
3976 data->diag_rx_ep = NULL;
3977
3978 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3979 struct usb_endpoint_descriptor *ep_desc;
3980
3981 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3982
3983 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
3984 data->diag_tx_ep = ep_desc;
3985 continue;
3986 }
3987
3988 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
3989 data->diag_rx_ep = ep_desc;
3990 continue;
3991 }
3992 }
3993
3994 if (!data->diag_tx_ep || !data->diag_rx_ep) {
2064ee33 3995 bt_dev_err(hdev, "invalid diagnostic descriptors");
9d08f504
MH		 3996 return -ENODEV;
3997 }
3998
3999 return 0;
4000}
4001
4002static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
4003{
4004 struct btusb_data *data = hci_get_drvdata(hdev);
4005 struct sk_buff *skb;
4006 struct urb *urb;
4007 unsigned int pipe;
4008
4009 if (!data->diag_tx_ep)
4010 return ERR_PTR(-ENODEV);
4011
4012 urb = usb_alloc_urb(0, GFP_KERNEL);
4013 if (!urb)
4014 return ERR_PTR(-ENOMEM);
4015
4016 skb = bt_skb_alloc(2, GFP_KERNEL);
4017 if (!skb) {
4018 usb_free_urb(urb);
4019 return ERR_PTR(-ENOMEM);
4020 }
4021
634fef61
JB		 4022 skb_put_u8(skb, 0xf0);
4023 skb_put_u8(skb, enable);
9d08f504
MH		 4024
4025 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
4026
4027 usb_fill_bulk_urb(urb, data->udev, pipe,
4028 skb->data, skb->len, btusb_tx_complete, skb);
4029
4030 skb->dev = (void *)hdev;
4031
4032 return urb;
4033}
4034
4035static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
4036{
4037 struct btusb_data *data = hci_get_drvdata(hdev);
4038 struct urb *urb;
4039
4040 if (!data->diag)
4041 return -ENODEV;
4042
4043 if (!test_bit(HCI_RUNNING, &hdev->flags))
4044 return -ENETDOWN;
4045
4046 urb = alloc_diag_urb(hdev, enable);
4047 if (IS_ERR(urb))
4048 return PTR_ERR(urb);
4049
4050 return submit_or_queue_tx_urb(hdev, urb);
4051}
9d08f504 4052
fd913ef7
RJ		 4053#ifdef CONFIG_PM
4054static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
4055{
4056 struct btusb_data *data = priv;
4057
4058 pm_wakeup_event(&data->udev->dev, 0);
017789f3 4059 pm_system_wakeup();
fd913ef7
RJ		 4060
4061 /* Disable only if not already disabled (keep it balanced) */
4062 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
4063 disable_irq_nosync(irq);
4064 disable_irq_wake(irq);
4065 }
4066 return IRQ_HANDLED;
4067}
4068
4069static const struct of_device_id btusb_match_table[] = {
4070 { .compatible = "usb1286,204e" },
4c409af0
BN		 4071 { .compatible = "usbcf3,e300" }, /* QCA6174A */
4072 { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */
fd913ef7
RJ		 4073 { }
4074};
4075MODULE_DEVICE_TABLE(of, btusb_match_table);
4076
4077/* Use an oob wakeup pin? */
4078static int btusb_config_oob_wake(struct hci_dev *hdev)
4079{
4080 struct btusb_data *data = hci_get_drvdata(hdev);
4081 struct device *dev = &data->udev->dev;
4082 int irq, ret;
4083
4084 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
4085
4086 if (!of_match_device(btusb_match_table, dev))
4087 return 0;
4088
4089 /* Move on if no IRQ specified */
4090 irq = of_irq_get_byname(dev->of_node, "wakeup");
4091 if (irq <= 0) {
4092 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
4093 return 0;
4094 }
4095
771acc7e 4096 irq_set_status_flags(irq, IRQ_NOAUTOEN);
fd913ef7
RJ		 4097 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
4098 0, "OOB Wake-on-BT", data);
4099 if (ret) {
4100 bt_dev_err(hdev, "%s: IRQ request failed", __func__);
4101 return ret;
4102 }
4103
4104 ret = device_init_wakeup(dev, true);
4105 if (ret) {
4106 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
4107 return ret;
4108 }
4109
4110 data->oob_wake_irq = irq;
fd913ef7
RJ		 4111 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
4112 return 0;
4113}
4114#endif
4115
fc549102
HG		 4116static void btusb_check_needs_reset_resume(struct usb_interface *intf)
4117{
4118 if (dmi_check_system(btusb_needs_reset_resume_table))
4119 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
4120}
4121
4539ca67 4122static bool btusb_wakeup(struct hci_dev *hdev)
b7d0bf11
APS		 4123{
4124 struct btusb_data *data = hci_get_drvdata(hdev);
4125
4539ca67 4126 return device_may_wakeup(&data->udev->dev);
b7d0bf11
APS		 4127}
4128
3b0d5250
TJ		 4129static int btusb_shutdown_qca(struct hci_dev *hdev)
4130{
4131 struct sk_buff *skb;
4132
4133 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
4134 if (IS_ERR(skb)) {
4135 bt_dev_err(hdev, "HCI reset during shutdown failed");
4136 return PTR_ERR(skb);
4137 }
4138 kfree_skb(skb);
4139
4140 return 0;
4141}
4142
800fe5ec
LAD		 4143static ssize_t force_poll_sync_read(struct file *file, char __user *user_buf,
4144 size_t count, loff_t *ppos)
4145{
4146 struct btusb_data *data = file->private_data;
4147 char buf[3];
4148
4149 buf[0] = data->poll_sync ? 'Y' : 'N';
4150 buf[1] = '\n';
4151 buf[2] = '\0';
4152 return simple_read_from_buffer(user_buf, count, ppos, buf, 2);
4153}
4154
4155static ssize_t force_poll_sync_write(struct file *file,
4156 const char __user *user_buf,
4157 size_t count, loff_t *ppos)
4158{
4159 struct btusb_data *data = file->private_data;
4160 bool enable;
4161 int err;
4162
4163 err = kstrtobool_from_user(user_buf, count, &enable);
4164 if (err)
4165 return err;
4166
4167 /* Only allow changes while the adapter is down */
4168 if (test_bit(HCI_UP, &data->hdev->flags))
4169 return -EPERM;
4170
4171 if (data->poll_sync == enable)
4172 return -EALREADY;
4173
4174 data->poll_sync = enable;
4175
4176 return count;
4177}
4178
4179static const struct file_operations force_poll_sync_fops = {
4180 .open = simple_open,
4181 .read = force_poll_sync_read,
4182 .write = force_poll_sync_write,
4183 .llseek = default_llseek,
4184};
4185
5e23b923 4186static int btusb_probe(struct usb_interface *intf,
89e7533d 4187 const struct usb_device_id *id)
5e23b923
MH		 4188{
4189 struct usb_endpoint_descriptor *ep_desc;
dc786b2c 4190 struct gpio_desc *reset_gpio;
5e23b923
MH		 4191 struct btusb_data *data;
4192 struct hci_dev *hdev;
22f8e9db 4193 unsigned ifnum_base;
53492a66 4194 int i, err, priv_size;
5e23b923
MH		 4195
4196 BT_DBG("intf %p id %p", intf, id);
4197
c13380a5 4198 if ((id->driver_info & BTUSB_IFNUM_2) &&
95b70154 4199 (intf->cur_altsetting->desc.bInterfaceNumber != 0) &&
c13380a5
TM		 4200 (intf->cur_altsetting->desc.bInterfaceNumber != 2))
4201 return -ENODEV;
22f8e9db
MH		 4202
4203 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
5e23b923
MH		 4204
4205 if (!id->driver_info) {
4206 const struct usb_device_id *match;
89e7533d 4207
d831e361 4208 match = usb_match_id(intf, quirks_table);
5e23b923
MH		 4209 if (match)
4210 id = match;
4211 }
4212
cfeb4145
MH		 4213 if (id->driver_info == BTUSB_IGNORE)
4214 return -ENODEV;
4215
2d25f8b4
SL		 4216 if (id->driver_info & BTUSB_ATH3012) {
4217 struct usb_device *udev = interface_to_usbdev(intf);
4218
4219 /* Old firmware would otherwise let ath3k driver load
d98422cb
DR		 4220 * patch and sysconfig files
4221 */
803cdb8c
TI		 4222 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
4223 !btusb_qca_need_patch(udev))
2d25f8b4
SL		 4224 return -ENODEV;
4225 }
4226
98921dbd 4227 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
5e23b923
MH		 4228 if (!data)
4229 return -ENOMEM;
4230
4231 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
4232 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
4233
4234 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
4235 data->intr_ep = ep_desc;
4236 continue;
4237 }
4238
4239 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
4240 data->bulk_tx_ep = ep_desc;
4241 continue;
4242 }
4243
4244 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
4245 data->bulk_rx_ep = ep_desc;
4246 continue;
4247 }
4248 }
4249
98921dbd 4250 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
5e23b923 4251 return -ENODEV;
5e23b923 4252
893ba544
MH		 4253 if (id->driver_info & BTUSB_AMP) {
4254 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
4255 data->cmdreq = 0x2b;
4256 } else {
4257 data->cmdreq_type = USB_TYPE_CLASS;
4258 data->cmdreq = 0x00;
4259 }
7a9d4020 4260
5e23b923 4261 data->udev = interface_to_usbdev(intf);
5fbcd260 4262 data->intf = intf;
5e23b923 4263
5e23b923 4264 INIT_WORK(&data->work, btusb_work);
7bee549e 4265 INIT_WORK(&data->waker, btusb_waker);
800fe5ec
LAD		 4266 INIT_DELAYED_WORK(&data->rx_work, btusb_rx_work);
4267
4268 skb_queue_head_init(&data->acl_q);
4269
803b5836
MH		 4270 init_usb_anchor(&data->deferred);
4271 init_usb_anchor(&data->tx_anchor);
7bee549e 4272 spin_lock_init(&data->txlock);
5e23b923 4273
5e23b923
MH		 4274 init_usb_anchor(&data->intr_anchor);
4275 init_usb_anchor(&data->bulk_anchor);
9bfa35fe 4276 init_usb_anchor(&data->isoc_anchor);
9d08f504 4277 init_usb_anchor(&data->diag_anchor);
a1c49c43 4278 init_usb_anchor(&data->ctrl_anchor);
803b5836 4279 spin_lock_init(&data->rxlock);
5e23b923 4280
53492a66
THJA		 4281 priv_size = 0;
4282
019a1caa
THJA		 4283 data->recv_event = hci_recv_frame;
4284 data->recv_bulk = btusb_recv_bulk;
4285
53492a66
THJA		 4286 if (id->driver_info & BTUSB_INTEL_COMBINED) {
4287 /* Allocate extra space for Intel device */
4288 priv_size += sizeof(struct btintel_data);
53492a66 4289
019a1caa 4290 /* Override the rx handlers */
123c2631 4291 data->recv_event = btintel_recv_event;
cda0dd78 4292 data->recv_bulk = btusb_recv_bulk_intel;
5b355944
HW		 4293 } else if (id->driver_info & BTUSB_REALTEK) {
4294 /* Allocate extra space for Realtek device */
4295 priv_size += sizeof(struct btrealtek_data);
044014ce
HW		 4296
4297 data->recv_event = btusb_recv_event_realtek;
4c92ae75
PT		 4298 } else if (id->driver_info & BTUSB_MEDIATEK) {
4299 /* Allocate extra space for Mediatek device */
4300 priv_size += sizeof(struct btmediatek_data);
cda0dd78 4301 }
2cbd3f5c 4302
0b10c8c8 4303 data->recv_acl = hci_recv_frame;
4304
53492a66 4305 hdev = hci_alloc_dev_priv(priv_size);
98921dbd 4306 if (!hdev)
5e23b923 4307 return -ENOMEM;
5e23b923 4308
c13854ce 4309 hdev->bus = HCI_USB;
155961e8 4310 hci_set_drvdata(hdev, data);
5e23b923 4311
893ba544
MH		 4312 if (id->driver_info & BTUSB_AMP)
4313 hdev->dev_type = HCI_AMP;
4314 else
ca8bee5d 4315 hdev->dev_type = HCI_PRIMARY;
893ba544 4316
5e23b923
MH		 4317 data->hdev = hdev;
4318
4319 SET_HCIDEV_DEV(hdev, &intf->dev);
4320
dc786b2c
RJ		 4321 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset",
4322 GPIOD_OUT_LOW);
4323 if (IS_ERR(reset_gpio)) {
4324 err = PTR_ERR(reset_gpio);
4325 goto out_free_dev;
4326 } else if (reset_gpio) {
4327 data->reset_gpio = reset_gpio;
4328 }
4329
9f8f962c
MH		 4330 hdev->open = btusb_open;
4331 hdev->close = btusb_close;
4332 hdev->flush = btusb_flush;
4333 hdev->send = btusb_send_frame;
4334 hdev->notify = btusb_notify;
4539ca67 4335 hdev->wakeup = btusb_wakeup;
9f8f962c 4336
fd913ef7
RJ		 4337#ifdef CONFIG_PM
4338 err = btusb_config_oob_wake(hdev);
4339 if (err)
4340 goto out_free_dev;
a4ccc9e3
RJ		 4341
4342 /* Marvell devices may need a specific chip configuration */
4343 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
4344 err = marvell_config_oob_wake(hdev);
4345 if (err)
4346 goto out_free_dev;
4347 }
fd913ef7 4348#endif
418678b0
SJ		 4349 if (id->driver_info & BTUSB_CW6622)
4350 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
4351
6c9d435d
MH		 4352 if (id->driver_info & BTUSB_BCM2045)
4353 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
4354
9f8f962c
MH		 4355 if (id->driver_info & BTUSB_BCM92035)
4356 hdev->setup = btusb_setup_bcm92035;
5e23b923 4357
c0a21a52
MH		 4358 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
4359 (id->driver_info & BTUSB_BCM_PATCHRAM)) {
49a5f782 4360 hdev->manufacturer = 15;
c2bfb100 4361 hdev->setup = btbcm_setup_patchram;
9d08f504 4362 hdev->set_diag = btusb_bcm_set_diag;
1df1f591 4363 hdev->set_bdaddr = btbcm_set_bdaddr;
9d08f504
MH		 4364
4365 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 4366 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
abbaf50e 4367 }
10d4c673 4368
c0a21a52
MH		 4369 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
4370 (id->driver_info & BTUSB_BCM_APPLE)) {
49a5f782 4371 hdev->manufacturer = 15;
c2bfb100 4372 hdev->setup = btbcm_setup_apple;
9d08f504
MH		 4373 hdev->set_diag = btusb_bcm_set_diag;
4374
4375 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 4376 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
9d08f504 4377 }
17b2772b 4378
83f2dafe
THJA		 4379 /* Combined Intel Device setup to support multiple setup routine */
4380 if (id->driver_info & BTUSB_INTEL_COMBINED) {
af395330 4381 err = btintel_configure_setup(hdev, btusb_driver.name);
83f2dafe
THJA		 4382 if (err)
4383 goto out_free_dev;
4384
4385 /* Transport specific configuration */
019a1caa 4386 hdev->send = btusb_send_frame_intel;
dc786b2c 4387 hdev->cmd_timeout = btusb_intel_cmd_timeout;
83f2dafe 4388
55235304
THJA		 4389 if (id->driver_info & BTUSB_INTEL_NO_WBS_SUPPORT)
4390 btintel_set_flag(hdev, INTEL_ROM_LEGACY_NO_WBS_SUPPORT);
4391
ea7c4c0e
THJA		 4392 if (id->driver_info & BTUSB_INTEL_BROKEN_INITIAL_NCMD)
4393 btintel_set_flag(hdev, INTEL_BROKEN_INITIAL_NCMD);
95655456
THJA		 4394
4395 if (id->driver_info & BTUSB_INTEL_BROKEN_SHUTDOWN_LED)
4396 btintel_set_flag(hdev, INTEL_BROKEN_SHUTDOWN_LED);
cb8d6597 4397 }
dffd30ee 4398
ae8df494
AK		 4399 if (id->driver_info & BTUSB_MARVELL)
4400 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
4401
c0a21a52
MH		 4402 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) &&
4403 (id->driver_info & BTUSB_MEDIATEK)) {
a1c49c43
SW		 4404 hdev->setup = btusb_mtk_setup;
4405 hdev->shutdown = btusb_mtk_shutdown;
4406 hdev->manufacturer = 70;
25b6d759 4407 hdev->cmd_timeout = btmtk_reset_sync;
8c0d17b6 4408 hdev->set_bdaddr = btmtk_set_bdaddr;
e11523e9 4409 set_bit(HCI_QUIRK_BROKEN_ENHANCED_SETUP_SYNC_CONN, &hdev->quirks);
a1c49c43 4410 set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
0b10c8c8 4411 data->recv_acl = btusb_recv_acl_mtk;
a1c49c43 4412 }
a1c49c43 4413
661cf88a
MH		 4414 if (id->driver_info & BTUSB_SWAVE) {
4415 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
d57dbe77 4416 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
661cf88a 4417 }
d57dbe77 4418
e4c534bb
MH		 4419 if (id->driver_info & BTUSB_INTEL_BOOT) {
4420 hdev->manufacturer = 2;
40df783d 4421 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
e4c534bb 4422 }
40df783d 4423
79f0c87d 4424 if (id->driver_info & BTUSB_ATH3012) {
803cdb8c 4425 data->setup_on_usb = btusb_setup_qca;
5859223e 4426 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3d50d51a 4427 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
79f0c87d
JP		 4428 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
4429 }
5859223e 4430
3267c884
KBYT		 4431 if (id->driver_info & BTUSB_QCA_ROME) {
4432 data->setup_on_usb = btusb_setup_qca;
187f8b64 4433 hdev->shutdown = btusb_shutdown_qca;
3267c884 4434 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
6933568a 4435 hdev->cmd_timeout = btusb_qca_cmd_timeout;
96e58d36 4436 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
fc549102 4437 btusb_check_needs_reset_resume(intf);
3267c884
KBYT		 4438 }
4439
b40f58b9 4440 if (id->driver_info & BTUSB_QCA_WCN6855) {
20981ce2
TJ		 4441 data->qca_dump.id_vendor = id->idVendor;
4442 data->qca_dump.id_product = id->idProduct;
4443 data->recv_event = btusb_recv_evt_qca;
4444 data->recv_acl = btusb_recv_acl_qca;
4445 hci_devcd_register(hdev, btusb_coredump_qca, btusb_dump_hdr_qca, NULL);
b40f58b9 4446 data->setup_on_usb = btusb_setup_qca;
3b0d5250 4447 hdev->shutdown = btusb_shutdown_qca;
b40f58b9
RL		 4448 hdev->set_bdaddr = btusb_set_bdaddr_wcn6855;
4449 hdev->cmd_timeout = btusb_qca_cmd_timeout;
4450 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
cbe6a044 4451 hci_set_msft_opcode(hdev, 0xFD70);
b40f58b9
RL		 4452 }
4453
461f95f0
HW		 4454 if (id->driver_info & BTUSB_AMP) {
4455 /* AMP controllers do not support SCO packets */
4456 data->isoc = NULL;
4457 } else {
4458 /* Interface orders are hardcoded in the specification */
4459 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
4460 data->isoc_ifnum = ifnum_base + 1;
4461 }
4462
42d22098
AB		 4463 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) &&
4464 (id->driver_info & BTUSB_REALTEK)) {
044014ce 4465 btrtl_set_driver_name(hdev, btusb_driver.name);
a479e713 4466 hdev->setup = btusb_setup_realtek;
7af3f558 4467 hdev->shutdown = btrtl_shutdown_realtek;
d7ef0d1e 4468 hdev->cmd_timeout = btusb_rtl_cmd_timeout;
044014ce 4469 hdev->hw_error = btusb_rtl_hw_error;
04b8c814 4470
8274db07
MC		 4471 /* Realtek devices need to set remote wakeup on auto-suspend */
4472 set_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags);
55981d35 4473 set_bit(BTUSB_USE_ALT3_FOR_WBS, &data->flags);
04b8c814 4474 }
a2698a9b 4475
5d44f76f
MH		 4476 if (id->driver_info & BTUSB_ACTIONS_SEMI) {
4477 /* Support is advertised, but not implemented */
4478 set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks);
7c2b2d2d 4479 set_bit(HCI_QUIRK_BROKEN_READ_TRANSMIT_POWER, &hdev->quirks);
91b6d02d 4480 set_bit(HCI_QUIRK_BROKEN_SET_RPA_TIMEOUT, &hdev->quirks);
7c2b2d2d 4481 set_bit(HCI_QUIRK_BROKEN_EXT_SCAN, &hdev->quirks);
5d44f76f
MH		 4482 }
4483
7a9d4020 4484 if (!reset)
a6c511c6 4485 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
cfeb4145
MH		 4486
4487 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
4488 if (!disable_scofix)
4489 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
4490 }
4491
9bfa35fe
MH		 4492 if (id->driver_info & BTUSB_BROKEN_ISOC)
4493 data->isoc = NULL;
4494
4b127bd5 4495 if (id->driver_info & BTUSB_WIDEBAND_SPEECH)
00bce3fb 4496 set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
4b127bd5 4497
aff8c489
AM		 4498 if (id->driver_info & BTUSB_VALID_LE_STATES)
4499 set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks);
4500
7a9d4020
MH		 4501 if (id->driver_info & BTUSB_DIGIANSWER) {
4502 data->cmdreq_type = USB_TYPE_VENDOR;
a6c511c6 4503 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
7a9d4020
MH		 4504 }
4505
4506 if (id->driver_info & BTUSB_CSR) {
4507 struct usb_device *udev = data->udev;
81cac64b 4508 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
7a9d4020
MH		 4509
4510 /* Old firmware would otherwise execute USB reset */
81cac64b 4511 if (bcdDevice < 0x117)
a6c511c6 4512 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b 4513
cde1a8a9
IFM		 4514 /* This must be set first in case we disable it for fakes */
4515 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
4516
81cac64b 4517 /* Fake CSR devices with broken commands */
cde1a8a9
IFM		 4518 if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 &&
4519 le16_to_cpu(udev->descriptor.idProduct) == 0x0001)
81cac64b 4520 hdev->setup = btusb_setup_csr;
7a9d4020
MH		 4521 }
4522
cfeb4145 4523 if (id->driver_info & BTUSB_SNIFFER) {
9bfa35fe 4524 struct usb_device *udev = data->udev;
cfeb4145 4525
7a9d4020 4526 /* New sniffer firmware has crippled HCI interface */
cfeb4145
MH		 4527 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
4528 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
4529 }
4530
3a5ef20c
MH		 4531 if (id->driver_info & BTUSB_INTEL_BOOT) {
4532 /* A bug in the bootloader causes that interrupt interface is
4533 * only enabled after receiving SetInterface(0, AltSetting=0).
4534 */
4535 err = usb_set_interface(data->udev, 0, 0);
4536 if (err < 0) {
4537 BT_ERR("failed to set interface 0, alt 0 %d", err);
10ab133b 4538 goto out_free_dev;
3a5ef20c
MH		 4539 }
4540 }
4541
9bfa35fe
MH		 4542 if (data->isoc) {
4543 err = usb_driver_claim_interface(&btusb_driver,
89e7533d 4544 data->isoc, data);
10ab133b
RJ		 4545 if (err < 0)
4546 goto out_free_dev;
9bfa35fe
MH		 4547 }
4548
c0a21a52 4549 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) {
9d08f504
MH		 4550 if (!usb_driver_claim_interface(&btusb_driver,
4551 data->diag, data))
4552 __set_diag_interface(hdev);
4553 else
4554 data->diag = NULL;
4555 }
9d08f504 4556
89591522
HG		 4557 if (enable_autosuspend)
4558 usb_enable_autosuspend(data->udev);
eff2d68c 4559
bb1afb29
LAD		 4560 data->poll_sync = enable_poll_sync;
4561
5e23b923 4562 err = hci_register_dev(hdev);
10ab133b
RJ		 4563 if (err < 0)
4564 goto out_free_dev;
5e23b923
MH		 4565
4566 usb_set_intfdata(intf, data);
4567
800fe5ec
LAD		 4568 debugfs_create_file("force_poll_sync", 0644, hdev->debugfs, data,
4569 &force_poll_sync_fops);
4570
5e23b923 4571 return 0;
10ab133b
RJ		 4572
4573out_free_dev:
dc786b2c
RJ		 4574 if (data->reset_gpio)
4575 gpiod_put(data->reset_gpio);
10ab133b
RJ		 4576 hci_free_dev(hdev);
4577 return err;
5e23b923
MH		 4578}
4579
4580static void btusb_disconnect(struct usb_interface *intf)
4581{
4582 struct btusb_data *data = usb_get_intfdata(intf);
4583 struct hci_dev *hdev;
4584
4585 BT_DBG("intf %p", intf);
4586
4587 if (!data)
4588 return;
4589
4590 hdev = data->hdev;
5fbcd260
MH		 4591 usb_set_intfdata(data->intf, NULL);
4592
4593 if (data->isoc)
4594 usb_set_intfdata(data->isoc, NULL);
5e23b923 4595
9d08f504
MH		 4596 if (data->diag)
4597 usb_set_intfdata(data->diag, NULL);
4598
5e23b923
MH		 4599 hci_unregister_dev(hdev);
4600
9d08f504
MH		 4601 if (intf == data->intf) {
4602 if (data->isoc)
4603 usb_driver_release_interface(&btusb_driver, data->isoc);
4604 if (data->diag)
4605 usb_driver_release_interface(&btusb_driver, data->diag);
4606 } else if (intf == data->isoc) {
4607 if (data->diag)
4608 usb_driver_release_interface(&btusb_driver, data->diag);
5fbcd260 4609 usb_driver_release_interface(&btusb_driver, data->intf);
9d08f504
MH		 4610 } else if (intf == data->diag) {
4611 usb_driver_release_interface(&btusb_driver, data->intf);
4612 if (data->isoc)
4613 usb_driver_release_interface(&btusb_driver, data->isoc);
4614 }
5fbcd260 4615
fd913ef7
RJ		 4616 if (data->oob_wake_irq)
4617 device_init_wakeup(&data->udev->dev, false);
4618
dc786b2c
RJ		 4619 if (data->reset_gpio)
4620 gpiod_put(data->reset_gpio);
4621
5e23b923
MH		 4622 hci_free_dev(hdev);
4623}
4624
7bee549e 4625#ifdef CONFIG_PM
6a88adf2
MH		 4626static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
4627{
4628 struct btusb_data *data = usb_get_intfdata(intf);
4629
4630 BT_DBG("intf %p", intf);
4631
4e0a1d8b
LAD		 4632 /* Don't suspend if there are connections */
4633 if (hci_conn_count(data->hdev))
4634 return -EBUSY;
4635
6a88adf2
MH		 4636 if (data->suspend_count++)
4637 return 0;
4638
7bee549e 4639 spin_lock_irq(&data->txlock);
5b1b0b81 4640 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
7bee549e
ON		 4641 set_bit(BTUSB_SUSPENDING, &data->flags);
4642 spin_unlock_irq(&data->txlock);
4643 } else {
4644 spin_unlock_irq(&data->txlock);
4645 data->suspend_count--;
4646 return -EBUSY;
4647 }
4648
6a88adf2
MH		 4649 cancel_work_sync(&data->work);
4650
7bee549e 4651 btusb_stop_traffic(data);
6a88adf2
MH		 4652 usb_kill_anchored_urbs(&data->tx_anchor);
4653
fd913ef7
RJ		 4654 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
4655 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
4656 enable_irq_wake(data->oob_wake_irq);
4657 enable_irq(data->oob_wake_irq);
4658 }
4659
9e45524a
AL		 4660 /* For global suspend, Realtek devices lose the loaded fw
4661 * in them. But for autosuspend, firmware should remain.
4662 * Actually, it depends on whether the usb host sends
4663 * set feature (enable wakeup) or not.
4664 */
8274db07 4665 if (test_bit(BTUSB_WAKEUP_AUTOSUSPEND, &data->flags)) {
9e45524a
AL		 4666 if (PMSG_IS_AUTO(message) &&
4667 device_can_wakeup(&data->udev->dev))
4668 data->udev->do_remote_wakeup = 1;
8274db07
MC		 4669 else if (!PMSG_IS_AUTO(message) &&
4670 !device_may_wakeup(&data->udev->dev)) {
4671 data->udev->do_remote_wakeup = 0;
9e45524a 4672 data->udev->reset_resume = 1;
8274db07 4673 }
9e45524a
AL		 4674 }
4675
6a88adf2
MH		 4676 return 0;
4677}
4678
7bee549e
ON		 4679static void play_deferred(struct btusb_data *data)
4680{
4681 struct urb *urb;
4682 int err;
4683
4684 while ((urb = usb_get_from_anchor(&data->deferred))) {
19cfe912
JC		 4685 usb_anchor_urb(urb, &data->tx_anchor);
4686
7bee549e 4687 err = usb_submit_urb(urb, GFP_ATOMIC);
19cfe912
JC		 4688 if (err < 0) {
4689 if (err != -EPERM && err != -ENODEV)
4690 BT_ERR("%s urb %p submission failed (%d)",
4691 data->hdev->name, urb, -err);
4692 kfree(urb->setup_packet);
4693 usb_unanchor_urb(urb);
4694 usb_free_urb(urb);
7bee549e 4695 break;
19cfe912 4696 }
7bee549e
ON		 4697
4698 data->tx_in_flight++;
19cfe912
JC		 4699 usb_free_urb(urb);
4700 }
4701
4702 /* Cleanup the rest deferred urbs. */
4703 while ((urb = usb_get_from_anchor(&data->deferred))) {
4704 kfree(urb->setup_packet);
4705 usb_free_urb(urb);
7bee549e 4706 }
7bee549e
ON		 4707}
4708
6a88adf2
MH		 4709static int btusb_resume(struct usb_interface *intf)
4710{
4711 struct btusb_data *data = usb_get_intfdata(intf);
4712 struct hci_dev *hdev = data->hdev;
7bee549e 4713 int err = 0;
6a88adf2
MH		 4714
4715 BT_DBG("intf %p", intf);
4716
4717 if (--data->suspend_count)
4718 return 0;
4719
fd913ef7
RJ		 4720 /* Disable only if not already disabled (keep it balanced) */
4721 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
4722 disable_irq(data->oob_wake_irq);
4723 disable_irq_wake(data->oob_wake_irq);
4724 }
4725
6a88adf2 4726 if (!test_bit(HCI_RUNNING, &hdev->flags))
7bee549e 4727 goto done;
6a88adf2
MH		 4728
4729 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
4730 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
4731 if (err < 0) {
4732 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 4733 goto failed;
6a88adf2
MH		 4734 }
4735 }
4736
4737 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
43c2e57f
MH		 4738 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
4739 if (err < 0) {
6a88adf2 4740 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
7bee549e
ON		 4741 goto failed;
4742 }
4743
4744 btusb_submit_bulk_urb(hdev, GFP_NOIO);
6a88adf2
MH		 4745 }
4746
4747 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
4748 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
4749 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
4750 else
4751 btusb_submit_isoc_urb(hdev, GFP_NOIO);
4752 }
4753
7bee549e
ON		 4754 spin_lock_irq(&data->txlock);
4755 play_deferred(data);
4756 clear_bit(BTUSB_SUSPENDING, &data->flags);
4757 spin_unlock_irq(&data->txlock);
4758 schedule_work(&data->work);
4759
6a88adf2 4760 return 0;
7bee549e
ON		 4761
4762failed:
4763 usb_scuttle_anchored_urbs(&data->deferred);
4764done:
4765 spin_lock_irq(&data->txlock);
4766 clear_bit(BTUSB_SUSPENDING, &data->flags);
4767 spin_unlock_irq(&data->txlock);
4768
4769 return err;
6a88adf2 4770}
7bee549e 4771#endif
6a88adf2 4772
4f9c1a08
MM		 4773#ifdef CONFIG_DEV_COREDUMP
4774static void btusb_coredump(struct device *dev)
4775{
4776 struct btusb_data *data = dev_get_drvdata(dev);
4777 struct hci_dev *hdev = data->hdev;
4778
4779 if (hdev->dump.coredump)
4780 hdev->dump.coredump(hdev);
4781}
4782#endif
4783
5e23b923
MH		 4784static struct usb_driver btusb_driver = {
4785 .name = "btusb",
4786 .probe = btusb_probe,
4787 .disconnect = btusb_disconnect,
7bee549e 4788#ifdef CONFIG_PM
6a88adf2
MH		 4789 .suspend = btusb_suspend,
4790 .resume = btusb_resume,
7bee549e 4791#endif
5e23b923 4792 .id_table = btusb_table,
7bee549e 4793 .supports_autosuspend = 1,
e1f12eb6 4794 .disable_hub_initiated_lpm = 1,
4f9c1a08
MM		 4795
4796#ifdef CONFIG_DEV_COREDUMP
4797 .drvwrap = {
4798 .driver = {
4799 .coredump = btusb_coredump,
4800 },
4801 },
4802#endif
5e23b923
MH		 4803};
4804
93f1508c 4805module_usb_driver(btusb_driver);
5e23b923 4806
cfeb4145
MH		 4807module_param(disable_scofix, bool, 0644);
4808MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
4809
4810module_param(force_scofix, bool, 0644);
4811MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
4812
eff2d68c
HG		 4813module_param(enable_autosuspend, bool, 0644);
4814MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
4815
cfeb4145
MH		 4816module_param(reset, bool, 0644);
4817MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
4818
5e23b923
MH		 4819MODULE_AUTHOR("Marcel Holtmann <[email protected]>");
4820MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
4821MODULE_VERSION(VERSION);
4822MODULE_LICENSE("GPL");
Empty description
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