projects / linux-block.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
treewide: Replace GPLv2 boilerplate/reference with SPDX - rule 156
[linux-block.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 <marcel@holtmann.org>
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>
fd913ef7
RJ		 14#include <linux/of_device.h>
15#include <linux/of_irq.h>
017789f3 16#include <linux/suspend.h>
dc786b2c 17#include <linux/gpio/consumer.h>
a2698a9b 18#include <asm/unaligned.h>
5e23b923
MH		 19
20#include <net/bluetooth/bluetooth.h>
21#include <net/bluetooth/hci_core.h>
22
4185a0f5 23#include "btintel.h"
1df1f591 24#include "btbcm.h"
db33c77d 25#include "btrtl.h"
1df1f591 26
34dced9b 27#define VERSION "0.8"
cfeb4145 28
90ab5ee9
RR		 29static bool disable_scofix;
30static bool force_scofix;
eff2d68c 31static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
7a9d4020 32
917a3337 33static bool reset = true;
cfeb4145
MH		 34
35static struct usb_driver btusb_driver;
36
37#define BTUSB_IGNORE 0x01
7a9d4020
MH		 38#define BTUSB_DIGIANSWER 0x02
39#define BTUSB_CSR 0x04
40#define BTUSB_SNIFFER 0x08
41#define BTUSB_BCM92035 0x10
42#define BTUSB_BROKEN_ISOC 0x20
43#define BTUSB_WRONG_SCO_MTU 0x40
2d25f8b4 44#define BTUSB_ATH3012 0x80
dffd30ee 45#define BTUSB_INTEL 0x100
40df783d
MH		 46#define BTUSB_INTEL_BOOT 0x200
47#define BTUSB_BCM_PATCHRAM 0x400
ae8df494 48#define BTUSB_MARVELL 0x800
4fcef8ed 49#define BTUSB_SWAVE 0x1000
cda0dd78 50#define BTUSB_INTEL_NEW 0x2000
893ba544 51#define BTUSB_AMP 0x4000
3267c884 52#define BTUSB_QCA_ROME 0x8000
17b2772b 53#define BTUSB_BCM_APPLE 0x10000
a2698a9b 54#define BTUSB_REALTEK 0x20000
6c9d435d 55#define BTUSB_BCM2045 0x40000
22f8e9db 56#define BTUSB_IFNUM_2 0x80000
418678b0 57#define BTUSB_CW6622 0x100000
5e23b923 58
54265202 59static const struct usb_device_id btusb_table[] = {
5e23b923
MH		 60 /* Generic Bluetooth USB device */
61 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
62
893ba544
MH		 63 /* Generic Bluetooth AMP device */
64 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
65
d63b2826
DD		 66 /* Generic Bluetooth USB interface */
67 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
68
1fa6535f 69 /* Apple-specific (Broadcom) devices */
17b2772b 70 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
22f8e9db 71 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
1fa6535f 72
178c059e
CYC		 73 /* MediaTek MT76x0E */
74 { USB_DEVICE(0x0e8d, 0x763f) },
75
c510eae3 76 /* Broadcom SoftSailing reporting vendor specific */
2e8b5063 77 { USB_DEVICE(0x0a5c, 0x21e1) },
c510eae3 78
3cd01976
NI		 79 /* Apple MacBookPro 7,1 */
80 { USB_DEVICE(0x05ac, 0x8213) },
81
0a79f674
CL		 82 /* Apple iMac11,1 */
83 { USB_DEVICE(0x05ac, 0x8215) },
84
9c047157
NI		 85 /* Apple MacBookPro6,2 */
86 { USB_DEVICE(0x05ac, 0x8218) },
87
3e3ede7d
EH		 88 /* Apple MacBookAir3,1, MacBookAir3,2 */
89 { USB_DEVICE(0x05ac, 0x821b) },
90
a63b723d
PAVM		 91 /* Apple MacBookAir4,1 */
92 { USB_DEVICE(0x05ac, 0x821f) },
93
88d377b6
MAP		 94 /* Apple MacBookPro8,2 */
95 { USB_DEVICE(0x05ac, 0x821a) },
96
f78b6826
JK		 97 /* Apple MacMini5,1 */
98 { USB_DEVICE(0x05ac, 0x8281) },
99
cfeb4145 100 /* AVM BlueFRITZ! USB v2.0 */
4fcef8ed 101 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
cfeb4145
MH		 102
103 /* Bluetooth Ultraport Module from IBM */
104 { USB_DEVICE(0x04bf, 0x030a) },
105
106 /* ALPS Modules with non-standard id */
107 { USB_DEVICE(0x044e, 0x3001) },
108 { USB_DEVICE(0x044e, 0x3002) },
109
110 /* Ericsson with non-standard id */
111 { USB_DEVICE(0x0bdb, 0x1002) },
112
113 /* Canyon CN-BTU1 with HID interfaces */
7a9d4020 114 { USB_DEVICE(0x0c10, 0x0000) },
cfeb4145 115
d13431ca
WJS		 116 /* Broadcom BCM20702A0 */
117 { USB_DEVICE(0x413c, 0x8197) },
118
d049f4e5
MH		 119 /* Broadcom BCM20702B0 (Dynex/Insignia) */
120 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
121
2faf71ce 122 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
628c26b4
DT		 123 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
124 .driver_info = BTUSB_BCM_PATCHRAM },
2faf71ce 125
a57bac43
CH		 126 /* Broadcom BCM920703 (HTC Vive) */
127 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
128 .driver_info = BTUSB_BCM_PATCHRAM },
129
98514036 130 /* Foxconn - Hon Hai */
6029ddc2
HS		 131 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
132 .driver_info = BTUSB_BCM_PATCHRAM },
98514036 133
8f0c304c
MD		 134 /* Lite-On Technology - Broadcom based */
135 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
136 .driver_info = BTUSB_BCM_PATCHRAM },
137
0b880062 138 /* Broadcom devices with vendor specific id */
10d4c673
PG		 139 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
140 .driver_info = BTUSB_BCM_PATCHRAM },
92c385f4 141
c2aef6e8 142 /* ASUSTek Computer - Broadcom based */
9a5abdaa
RD		 143 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
144 .driver_info = BTUSB_BCM_PATCHRAM },
c2aef6e8 145
5bcecf32 146 /* Belkin F8065bf - Broadcom based */
6331c686
MH		 147 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
148 .driver_info = BTUSB_BCM_PATCHRAM },
5bcecf32 149
9113bfd8 150 /* IMC Networks - Broadcom based */
6331c686
MH		 151 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
152 .driver_info = BTUSB_BCM_PATCHRAM },
9113bfd8 153
fdfddc60
WJS		 154 /* Dell Computer - Broadcom based */
155 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
156 .driver_info = BTUSB_BCM_PATCHRAM },
157
1623d0bf
DT		 158 /* Toshiba Corp - Broadcom based */
159 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
160 .driver_info = BTUSB_BCM_PATCHRAM },
161
40df783d 162 /* Intel Bluetooth USB Bootloader (RAM module) */
d92f2df0
MH		 163 { USB_DEVICE(0x8087, 0x0a5a),
164 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
40df783d 165
5e23b923
MH		 166 { } /* Terminating entry */
167};
168
169MODULE_DEVICE_TABLE(usb, btusb_table);
170
54265202 171static const struct usb_device_id blacklist_table[] = {
cfeb4145
MH		 172 /* CSR BlueCore devices */
173 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
174
175 /* Broadcom BCM2033 without firmware */
176 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
177
6c9d435d
MH		 178 /* Broadcom BCM2045 devices */
179 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
180
be93112a 181 /* Atheros 3011 with sflash firmware */
0b880062
AS		 182 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
183 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
2eeff0b4 184 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
0b880062 185 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
be93112a 186 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
6eda541d 187 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
2a7bcccc 188 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
be93112a 189
509e7861
CYC		 190 /* Atheros AR9285 Malbec with sflash firmware */
191 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
192
d9f51b51 193 /* Atheros 3012 with sflash firmware */
0b880062
AS		 194 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
195 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
196 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
197 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
198 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
692c062e 199 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
4b552bc9 200 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
28c971d8 201 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 202 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
203 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
204 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
205 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
1fb4e09a 206 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 207 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
208 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
7e730c7f 209 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
ec0810d2 210 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
134d3b35 211 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
81d90442 212 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
441ad62d 213 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
0b880062 214 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
cd355ff0 215 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
0b880062 216 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
89d2975f 217 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
a735f9e2 218 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
d66629c1 219 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
544a5916 220 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
94a32d10 221 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
07c0ea87 222 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
b131237c 223 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
1e56f1eb 224 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
0b880062 225 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
ebaf5795 226 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
18e0afab 227 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
0b880062 228 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
ac71311e 229 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc 230 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
ca79f232 231 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 232 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
233 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
eed307e2 234 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
609574eb 235 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
5b77a1f3 236 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
3bb30a7c 237 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
033efa92 238 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
fa2f1394 239 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
75c6aca4 240 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
0d0cef61 241 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
72f9f8b5 242 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
12d86896 243 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
d9f51b51 244
e9036e33
CYC		 245 /* Atheros AR5BBU12 with sflash firmware */
246 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
247
85d59726 248 /* Atheros AR5BBU12 with sflash firmware */
bc21fde2 249 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
0b880062 250 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
85d59726 251
3267c884 252 /* QCA ROME chipset */
1411a260 253 { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME },
2054111b 254 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
93519934 255 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
e5a49ee9 256 { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME },
c9e44474 257 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
1eef1c35 258 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME },
c9e44474 259 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
47ca5898 260 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
858ff38a 261 { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME },
06e41d8a 262 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
1144a4ee 263 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
0a03f98b 264 { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME },
d829b9e2 265 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
d666fc54 266 { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME },
df2445bf 267 { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME },
3267c884 268
cfeb4145 269 /* Broadcom BCM2035 */
7a9d4020 270 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
0b880062
AS		 271 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
272 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 273
274 /* Broadcom BCM2045 */
7a9d4020
MH		 275 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
276 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
bdbef3d6 277
cfeb4145 278 /* IBM/Lenovo ThinkPad with Broadcom chip */
7a9d4020
MH		 279 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
280 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 281
282 /* HP laptop with Broadcom chip */
7a9d4020 283 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 284
285 /* Dell laptop with Broadcom chip */
7a9d4020 286 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 287
5ddd4a60 288 /* Dell Wireless 370 and 410 devices */
7a9d4020 289 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
5ddd4a60 290 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 291
7a9d4020
MH		 292 /* Belkin F8T012 and F8T013 devices */
293 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
294 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 295
5ddd4a60
MH		 296 /* Asus WL-BTD202 device */
297 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
298
299 /* Kensington Bluetooth USB adapter */
300 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
301
cfeb4145
MH		 302 /* RTX Telecom based adapters with buggy SCO support */
303 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
304 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
305
306 /* CONWISE Technology based adapters with buggy SCO support */
418678b0
SJ		 307 { USB_DEVICE(0x0e5e, 0x6622),
308 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
cfeb4145 309
4fcef8ed 310 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
2eeac871 311 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
4fcef8ed 312
cfeb4145
MH		 313 /* Digianswer devices */
314 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
315 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
316
317 /* CSR BlueCore Bluetooth Sniffer */
4f64fa80
MH		 318 { USB_DEVICE(0x0a12, 0x0002),
319 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145
MH		 320
321 /* Frontline ComProbe Bluetooth Sniffer */
4f64fa80
MH		 322 { USB_DEVICE(0x16d3, 0x0002),
323 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145 324
cb1ee89f
MH		 325 /* Marvell Bluetooth devices */
326 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
327 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
1165df0e 328 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
cb1ee89f 329
d0ac9eb7 330 /* Intel Bluetooth devices */
de766142 331 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW },
1ce0cec1 332 { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW },
2da711bc 333 { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW },
407550fe 334 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
dffd30ee 335 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
ef4e5e4a 336 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
cda0dd78 337 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
439e65d3 338 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL },
86a6129a 339 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW },
dffd30ee 340
d0ac9eb7
MH		 341 /* Other Intel Bluetooth devices */
342 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
343 .driver_info = BTUSB_IGNORE },
ae8df494 344
a2698a9b
DD		 345 /* Realtek Bluetooth devices */
346 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
347 .driver_info = BTUSB_REALTEK },
348
349 /* Additional Realtek 8723AE Bluetooth devices */
350 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
351 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
352
353 /* Additional Realtek 8723BE Bluetooth devices */
354 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
355 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
356 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
357 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
358 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
a81d72d2 359 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
a2698a9b 360
a41e0796
VB		 361 /* Additional Realtek 8723BU Bluetooth devices */
362 { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK },
363
66d9975c 364 /* Additional Realtek 8723DE Bluetooth devices */
45ae68b8 365 { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
66d9975c
JHP		 366 { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
367
a2698a9b
DD		 368 /* Additional Realtek 8821AE Bluetooth devices */
369 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
370 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
371 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
372 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
373 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
374
fed03fe7 375 /* Additional Realtek 8822BE Bluetooth devices */
1cd2fabf 376 { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK },
fed03fe7
LF		 377 { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK },
378
4481c076
PP		 379 /* Silicon Wave based devices */
380 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
381
5e23b923
MH		 382 { } /* Terminating entry */
383};
384
1fdb9269
HG		 385/* The Bluetooth USB module build into some devices needs to be reset on resume,
386 * this is a problem with the platform (likely shutting off all power) not with
387 * the module itself. So we use a DMI list to match known broken platforms.
388 */
389static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
390 {
0c6e5266 391 /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */
1fdb9269 392 .matches = {
0c6e5266
KHF		 393 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
394 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"),
1fdb9269
HG		 395 },
396 },
596b07a9
HG		 397 {
398 /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */
399 .matches = {
400 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
401 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"),
402 },
403 },
939bc6c5
HG		 404 {
405 /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */
406 .matches = {
407 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
408 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"),
409 },
410 },
1fdb9269
HG		 411 {}
412};
413
9bfa35fe
MH		 414#define BTUSB_MAX_ISOC_FRAMES 10
415
5e23b923
MH		 416#define BTUSB_INTR_RUNNING 0
417#define BTUSB_BULK_RUNNING 1
9bfa35fe 418#define BTUSB_ISOC_RUNNING 2
7bee549e 419#define BTUSB_SUSPENDING 3
08b8b6c4 420#define BTUSB_DID_ISO_RESUME 4
cda0dd78
MH		 421#define BTUSB_BOOTLOADER 5
422#define BTUSB_DOWNLOADING 6
ce6bb929 423#define BTUSB_FIRMWARE_LOADED 7
cda0dd78 424#define BTUSB_FIRMWARE_FAILED 8
ce6bb929 425#define BTUSB_BOOTING 9
61f5acea
HG		 426#define BTUSB_DIAG_RUNNING 10
427#define BTUSB_OOB_WAKE_ENABLED 11
dc786b2c 428#define BTUSB_HW_RESET_ACTIVE 12
5e23b923
MH		 429
430struct btusb_data {
431 struct hci_dev *hdev;
432 struct usb_device *udev;
5fbcd260 433 struct usb_interface *intf;
9bfa35fe 434 struct usb_interface *isoc;
9d08f504 435 struct usb_interface *diag;
459232fc 436 unsigned isoc_ifnum;
5e23b923 437
5e23b923
MH		 438 unsigned long flags;
439
440 struct work_struct work;
7bee549e 441 struct work_struct waker;
5e23b923 442
803b5836 443 struct usb_anchor deferred;
5e23b923 444 struct usb_anchor tx_anchor;
803b5836
MH		 445 int tx_in_flight;
446 spinlock_t txlock;
447
5e23b923
MH		 448 struct usb_anchor intr_anchor;
449 struct usb_anchor bulk_anchor;
9bfa35fe 450 struct usb_anchor isoc_anchor;
9d08f504 451 struct usb_anchor diag_anchor;
803b5836
MH		 452 spinlock_t rxlock;
453
454 struct sk_buff *evt_skb;
455 struct sk_buff *acl_skb;
456 struct sk_buff *sco_skb;
5e23b923
MH		 457
458 struct usb_endpoint_descriptor *intr_ep;
459 struct usb_endpoint_descriptor *bulk_tx_ep;
460 struct usb_endpoint_descriptor *bulk_rx_ep;
9bfa35fe
MH		 461 struct usb_endpoint_descriptor *isoc_tx_ep;
462 struct usb_endpoint_descriptor *isoc_rx_ep;
9d08f504
MH		 463 struct usb_endpoint_descriptor *diag_tx_ep;
464 struct usb_endpoint_descriptor *diag_rx_ep;
9bfa35fe 465
dc786b2c
RJ		 466 struct gpio_desc *reset_gpio;
467
7a9d4020 468 __u8 cmdreq_type;
893ba544 469 __u8 cmdreq;
7a9d4020 470
43c2e57f 471 unsigned int sco_num;
9bfa35fe 472 int isoc_altsetting;
6a88adf2 473 int suspend_count;
2cbd3f5c 474
97307f51 475 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
2cbd3f5c 476 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
ace31982
KBYT		 477
478 int (*setup_on_usb)(struct hci_dev *hdev);
fd913ef7
RJ		 479
480 int oob_wake_irq; /* irq for out-of-band wake-on-bt */
dc786b2c 481 unsigned cmd_timeout_cnt;
5e23b923
MH		 482};
483
dc786b2c
RJ		 484
485static void btusb_intel_cmd_timeout(struct hci_dev *hdev)
486{
487 struct btusb_data *data = hci_get_drvdata(hdev);
488 struct gpio_desc *reset_gpio = data->reset_gpio;
489
490 if (++data->cmd_timeout_cnt < 5)
491 return;
492
493 if (!reset_gpio) {
494 bt_dev_err(hdev, "No way to reset. Ignoring and continuing");
495 return;
496 }
497
498 /*
499 * Toggle the hard reset line if the platform provides one. The reset
500 * is going to yank the device off the USB and then replug. So doing
501 * once is enough. The cleanup is handled correctly on the way out
502 * (standard USB disconnect), and the new device is detected cleanly
503 * and bound to the driver again like it should be.
504 */
505 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
506 bt_dev_err(hdev, "last reset failed? Not resetting again");
507 return;
508 }
509
510 bt_dev_err(hdev, "Initiating HW reset via gpio");
2de66bb8
RJ		 511 gpiod_set_value_cansleep(reset_gpio, 1);
512 msleep(100);
513 gpiod_set_value_cansleep(reset_gpio, 0);
dc786b2c
RJ		 514}
515
803b5836
MH		 516static inline void btusb_free_frags(struct btusb_data *data)
517{
518 unsigned long flags;
519
520 spin_lock_irqsave(&data->rxlock, flags);
521
522 kfree_skb(data->evt_skb);
523 data->evt_skb = NULL;
524
525 kfree_skb(data->acl_skb);
526 data->acl_skb = NULL;
527
528 kfree_skb(data->sco_skb);
529 data->sco_skb = NULL;
530
531 spin_unlock_irqrestore(&data->rxlock, flags);
532}
533
1ffa4ad0
MH		 534static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
535{
803b5836 536 struct sk_buff *skb;
a5e50d5b 537 unsigned long flags;
803b5836
MH		 538 int err = 0;
539
a5e50d5b 540 spin_lock_irqsave(&data->rxlock, flags);
803b5836
MH		 541 skb = data->evt_skb;
542
543 while (count) {
544 int len;
545
546 if (!skb) {
547 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
548 if (!skb) {
549 err = -ENOMEM;
550 break;
551 }
552
618e8bc2
MH		 553 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
554 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
803b5836
MH		 555 }
556
618e8bc2 557 len = min_t(uint, hci_skb_expect(skb), count);
59ae1d12 558 skb_put_data(skb, buffer, len);
803b5836
MH		 559
560 count -= len;
561 buffer += len;
618e8bc2 562 hci_skb_expect(skb) -= len;
803b5836
MH		 563
564 if (skb->len == HCI_EVENT_HDR_SIZE) {
565 /* Complete event header */
618e8bc2 566 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
803b5836 567
618e8bc2 568 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 569 kfree_skb(skb);
570 skb = NULL;
571
572 err = -EILSEQ;
573 break;
574 }
575 }
576
618e8bc2 577 if (!hci_skb_expect(skb)) {
803b5836 578 /* Complete frame */
97307f51 579 data->recv_event(data->hdev, skb);
803b5836
MH		 580 skb = NULL;
581 }
582 }
583
584 data->evt_skb = skb;
a5e50d5b 585 spin_unlock_irqrestore(&data->rxlock, flags);
803b5836
MH		 586
587 return err;
1ffa4ad0
MH		 588}
589
590static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
591{
803b5836 592 struct sk_buff *skb;
a5e50d5b 593 unsigned long flags;
803b5836
MH		 594 int err = 0;
595
a5e50d5b 596 spin_lock_irqsave(&data->rxlock, flags);
803b5836
MH		 597 skb = data->acl_skb;
598
599 while (count) {
600 int len;
601
602 if (!skb) {
603 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
604 if (!skb) {
605 err = -ENOMEM;
606 break;
607 }
608
618e8bc2
MH		 609 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
610 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
803b5836
MH		 611 }
612
618e8bc2 613 len = min_t(uint, hci_skb_expect(skb), count);
59ae1d12 614 skb_put_data(skb, buffer, len);
803b5836
MH		 615
616 count -= len;
617 buffer += len;
618e8bc2 618 hci_skb_expect(skb) -= len;
803b5836
MH		 619
620 if (skb->len == HCI_ACL_HDR_SIZE) {
621 __le16 dlen = hci_acl_hdr(skb)->dlen;
622
623 /* Complete ACL header */
618e8bc2 624 hci_skb_expect(skb) = __le16_to_cpu(dlen);
803b5836 625
618e8bc2 626 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 627 kfree_skb(skb);
628 skb = NULL;
629
630 err = -EILSEQ;
631 break;
632 }
633 }
634
618e8bc2 635 if (!hci_skb_expect(skb)) {
803b5836
MH		 636 /* Complete frame */
637 hci_recv_frame(data->hdev, skb);
638 skb = NULL;
639 }
640 }
641
642 data->acl_skb = skb;
a5e50d5b 643 spin_unlock_irqrestore(&data->rxlock, flags);
803b5836
MH		 644
645 return err;
1ffa4ad0
MH		 646}
647
648static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
649{
803b5836 650 struct sk_buff *skb;
a5e50d5b 651 unsigned long flags;
803b5836
MH		 652 int err = 0;
653
a5e50d5b 654 spin_lock_irqsave(&data->rxlock, flags);
803b5836
MH		 655 skb = data->sco_skb;
656
657 while (count) {
658 int len;
659
660 if (!skb) {
661 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
662 if (!skb) {
663 err = -ENOMEM;
664 break;
665 }
666
618e8bc2
MH		 667 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
668 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
803b5836
MH		 669 }
670
618e8bc2 671 len = min_t(uint, hci_skb_expect(skb), count);
59ae1d12 672 skb_put_data(skb, buffer, len);
803b5836
MH		 673
674 count -= len;
675 buffer += len;
618e8bc2 676 hci_skb_expect(skb) -= len;
803b5836
MH		 677
678 if (skb->len == HCI_SCO_HDR_SIZE) {
679 /* Complete SCO header */
618e8bc2 680 hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
803b5836 681
618e8bc2 682 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 683 kfree_skb(skb);
684 skb = NULL;
685
686 err = -EILSEQ;
687 break;
688 }
689 }
690
618e8bc2 691 if (!hci_skb_expect(skb)) {
803b5836
MH		 692 /* Complete frame */
693 hci_recv_frame(data->hdev, skb);
694 skb = NULL;
695 }
696 }
697
698 data->sco_skb = skb;
a5e50d5b 699 spin_unlock_irqrestore(&data->rxlock, flags);
803b5836
MH		 700
701 return err;
1ffa4ad0
MH		 702}
703
5e23b923
MH		 704static void btusb_intr_complete(struct urb *urb)
705{
706 struct hci_dev *hdev = urb->context;
155961e8 707 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 708 int err;
709
89e7533d
MH		 710 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
711 urb->actual_length);
5e23b923
MH		 712
713 if (!test_bit(HCI_RUNNING, &hdev->flags))
714 return;
715
716 if (urb->status == 0) {
9bfa35fe
MH		 717 hdev->stat.byte_rx += urb->actual_length;
718
1ffa4ad0
MH		 719 if (btusb_recv_intr(data, urb->transfer_buffer,
720 urb->actual_length) < 0) {
2064ee33 721 bt_dev_err(hdev, "corrupted event packet");
5e23b923
MH		 722 hdev->stat.err_rx++;
723 }
85560c4a
CC		 724 } else if (urb->status == -ENOENT) {
725 /* Avoid suspend failed when usb_kill_urb */
726 return;
5e23b923
MH		 727 }
728
729 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
730 return;
731
7bee549e 732 usb_mark_last_busy(data->udev);
5e23b923
MH		 733 usb_anchor_urb(urb, &data->intr_anchor);
734
735 err = usb_submit_urb(urb, GFP_ATOMIC);
736 if (err < 0) {
4935f1c1 737 /* -EPERM: urb is being killed;
d98422cb
DR		 738 * -ENODEV: device got disconnected
739 */
4935f1c1 740 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 741 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
742 urb, -err);
5e23b923
MH		 743 usb_unanchor_urb(urb);
744 }
745}
746
2eda66f4 747static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 748{
155961e8 749 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 750 struct urb *urb;
751 unsigned char *buf;
752 unsigned int pipe;
753 int err, size;
754
755 BT_DBG("%s", hdev->name);
756
9bfa35fe
MH		 757 if (!data->intr_ep)
758 return -ENODEV;
759
2eda66f4 760 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 761 if (!urb)
762 return -ENOMEM;
763
764 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
765
2eda66f4 766 buf = kmalloc(size, mem_flags);
5e23b923
MH		 767 if (!buf) {
768 usb_free_urb(urb);
769 return -ENOMEM;
770 }
771
772 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
773
774 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
89e7533d 775 btusb_intr_complete, hdev, data->intr_ep->bInterval);
5e23b923
MH		 776
777 urb->transfer_flags |= URB_FREE_BUFFER;
778
779 usb_anchor_urb(urb, &data->intr_anchor);
780
2eda66f4 781 err = usb_submit_urb(urb, mem_flags);
5e23b923 782 if (err < 0) {
d4b8d1c9 783 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 784 bt_dev_err(hdev, "urb %p submission failed (%d)",
785 urb, -err);
5e23b923 786 usb_unanchor_urb(urb);
5e23b923
MH		 787 }
788
789 usb_free_urb(urb);
790
791 return err;
792}
793
794static void btusb_bulk_complete(struct urb *urb)
795{
796 struct hci_dev *hdev = urb->context;
155961e8 797 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 798 int err;
799
89e7533d
MH		 800 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
801 urb->actual_length);
5e23b923
MH		 802
803 if (!test_bit(HCI_RUNNING, &hdev->flags))
804 return;
805
806 if (urb->status == 0) {
9bfa35fe
MH		 807 hdev->stat.byte_rx += urb->actual_length;
808
2cbd3f5c 809 if (data->recv_bulk(data, urb->transfer_buffer,
1ffa4ad0 810 urb->actual_length) < 0) {
2064ee33 811 bt_dev_err(hdev, "corrupted ACL packet");
5e23b923
MH		 812 hdev->stat.err_rx++;
813 }
85560c4a
CC		 814 } else if (urb->status == -ENOENT) {
815 /* Avoid suspend failed when usb_kill_urb */
816 return;
5e23b923
MH		 817 }
818
819 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
820 return;
821
822 usb_anchor_urb(urb, &data->bulk_anchor);
652fd781 823 usb_mark_last_busy(data->udev);
5e23b923
MH		 824
825 err = usb_submit_urb(urb, GFP_ATOMIC);
826 if (err < 0) {
4935f1c1 827 /* -EPERM: urb is being killed;
d98422cb
DR		 828 * -ENODEV: device got disconnected
829 */
4935f1c1 830 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 831 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
832 urb, -err);
5e23b923
MH		 833 usb_unanchor_urb(urb);
834 }
835}
836
2eda66f4 837static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 838{
155961e8 839 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 840 struct urb *urb;
841 unsigned char *buf;
842 unsigned int pipe;
290ba200 843 int err, size = HCI_MAX_FRAME_SIZE;
5e23b923
MH		 844
845 BT_DBG("%s", hdev->name);
846
9bfa35fe
MH		 847 if (!data->bulk_rx_ep)
848 return -ENODEV;
849
2eda66f4 850 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 851 if (!urb)
852 return -ENOMEM;
853
2eda66f4 854 buf = kmalloc(size, mem_flags);
5e23b923
MH		 855 if (!buf) {
856 usb_free_urb(urb);
857 return -ENOMEM;
858 }
859
860 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
861
89e7533d
MH		 862 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
863 btusb_bulk_complete, hdev);
5e23b923
MH		 864
865 urb->transfer_flags |= URB_FREE_BUFFER;
866
7bee549e 867 usb_mark_last_busy(data->udev);
5e23b923
MH		 868 usb_anchor_urb(urb, &data->bulk_anchor);
869
2eda66f4 870 err = usb_submit_urb(urb, mem_flags);
5e23b923 871 if (err < 0) {
d4b8d1c9 872 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 873 bt_dev_err(hdev, "urb %p submission failed (%d)",
874 urb, -err);
5e23b923 875 usb_unanchor_urb(urb);
5e23b923
MH		 876 }
877
878 usb_free_urb(urb);
879
880 return err;
881}
882
9bfa35fe
MH		 883static void btusb_isoc_complete(struct urb *urb)
884{
885 struct hci_dev *hdev = urb->context;
155961e8 886 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 887 int i, err;
888
89e7533d
MH		 889 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
890 urb->actual_length);
9bfa35fe
MH		 891
892 if (!test_bit(HCI_RUNNING, &hdev->flags))
893 return;
894
895 if (urb->status == 0) {
896 for (i = 0; i < urb->number_of_packets; i++) {
897 unsigned int offset = urb->iso_frame_desc[i].offset;
898 unsigned int length = urb->iso_frame_desc[i].actual_length;
899
900 if (urb->iso_frame_desc[i].status)
901 continue;
902
903 hdev->stat.byte_rx += length;
904
1ffa4ad0
MH		 905 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
906 length) < 0) {
2064ee33 907 bt_dev_err(hdev, "corrupted SCO packet");
9bfa35fe
MH		 908 hdev->stat.err_rx++;
909 }
910 }
85560c4a
CC		 911 } else if (urb->status == -ENOENT) {
912 /* Avoid suspend failed when usb_kill_urb */
913 return;
9bfa35fe
MH		 914 }
915
916 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
917 return;
918
919 usb_anchor_urb(urb, &data->isoc_anchor);
920
921 err = usb_submit_urb(urb, GFP_ATOMIC);
922 if (err < 0) {
4935f1c1 923 /* -EPERM: urb is being killed;
d98422cb
DR		 924 * -ENODEV: device got disconnected
925 */
4935f1c1 926 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 927 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
928 urb, -err);
9bfa35fe
MH		 929 usb_unanchor_urb(urb);
930 }
931}
932
42b16b3f 933static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
9bfa35fe
MH		 934{
935 int i, offset = 0;
936
937 BT_DBG("len %d mtu %d", len, mtu);
938
939 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
940 i++, offset += mtu, len -= mtu) {
941 urb->iso_frame_desc[i].offset = offset;
942 urb->iso_frame_desc[i].length = mtu;
943 }
944
945 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
946 urb->iso_frame_desc[i].offset = offset;
947 urb->iso_frame_desc[i].length = len;
948 i++;
949 }
950
951 urb->number_of_packets = i;
952}
953
2eda66f4 954static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
9bfa35fe 955{
155961e8 956 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 957 struct urb *urb;
958 unsigned char *buf;
959 unsigned int pipe;
960 int err, size;
961
962 BT_DBG("%s", hdev->name);
963
964 if (!data->isoc_rx_ep)
965 return -ENODEV;
966
2eda66f4 967 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
9bfa35fe
MH		 968 if (!urb)
969 return -ENOMEM;
970
971 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
972 BTUSB_MAX_ISOC_FRAMES;
973
2eda66f4 974 buf = kmalloc(size, mem_flags);
9bfa35fe
MH		 975 if (!buf) {
976 usb_free_urb(urb);
977 return -ENOMEM;
978 }
979
980 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
981
fa0fb93f 982 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
89e7533d 983 hdev, data->isoc_rx_ep->bInterval);
9bfa35fe 984
89e7533d 985 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
9bfa35fe
MH		 986
987 __fill_isoc_descriptor(urb, size,
89e7533d 988 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
9bfa35fe
MH		 989
990 usb_anchor_urb(urb, &data->isoc_anchor);
991
2eda66f4 992 err = usb_submit_urb(urb, mem_flags);
9bfa35fe 993 if (err < 0) {
d4b8d1c9 994 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 995 bt_dev_err(hdev, "urb %p submission failed (%d)",
996 urb, -err);
9bfa35fe 997 usb_unanchor_urb(urb);
9bfa35fe
MH		 998 }
999
1000 usb_free_urb(urb);
1001
1002 return err;
1003}
1004
9d08f504
MH		 1005static void btusb_diag_complete(struct urb *urb)
1006{
1007 struct hci_dev *hdev = urb->context;
1008 struct btusb_data *data = hci_get_drvdata(hdev);
1009 int err;
1010
1011 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1012 urb->actual_length);
1013
1014 if (urb->status == 0) {
1015 struct sk_buff *skb;
1016
1017 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
1018 if (skb) {
59ae1d12
JB		 1019 skb_put_data(skb, urb->transfer_buffer,
1020 urb->actual_length);
9d08f504
MH		 1021 hci_recv_diag(hdev, skb);
1022 }
1023 } else if (urb->status == -ENOENT) {
1024 /* Avoid suspend failed when usb_kill_urb */
1025 return;
1026 }
1027
1028 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
1029 return;
1030
1031 usb_anchor_urb(urb, &data->diag_anchor);
1032 usb_mark_last_busy(data->udev);
1033
1034 err = usb_submit_urb(urb, GFP_ATOMIC);
1035 if (err < 0) {
1036 /* -EPERM: urb is being killed;
d98422cb
DR		 1037 * -ENODEV: device got disconnected
1038 */
9d08f504 1039 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 1040 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1041 urb, -err);
9d08f504
MH		 1042 usb_unanchor_urb(urb);
1043 }
1044}
1045
1046static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
1047{
1048 struct btusb_data *data = hci_get_drvdata(hdev);
1049 struct urb *urb;
1050 unsigned char *buf;
1051 unsigned int pipe;
1052 int err, size = HCI_MAX_FRAME_SIZE;
1053
1054 BT_DBG("%s", hdev->name);
1055
1056 if (!data->diag_rx_ep)
1057 return -ENODEV;
1058
1059 urb = usb_alloc_urb(0, mem_flags);
1060 if (!urb)
1061 return -ENOMEM;
1062
1063 buf = kmalloc(size, mem_flags);
1064 if (!buf) {
1065 usb_free_urb(urb);
1066 return -ENOMEM;
1067 }
1068
1069 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
1070
1071 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
1072 btusb_diag_complete, hdev);
1073
1074 urb->transfer_flags |= URB_FREE_BUFFER;
1075
1076 usb_mark_last_busy(data->udev);
1077 usb_anchor_urb(urb, &data->diag_anchor);
1078
1079 err = usb_submit_urb(urb, mem_flags);
1080 if (err < 0) {
1081 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 1082 bt_dev_err(hdev, "urb %p submission failed (%d)",
1083 urb, -err);
9d08f504
MH		 1084 usb_unanchor_urb(urb);
1085 }
1086
1087 usb_free_urb(urb);
1088
1089 return err;
1090}
1091
5e23b923 1092static void btusb_tx_complete(struct urb *urb)
7bee549e
ON		 1093{
1094 struct sk_buff *skb = urb->context;
89e7533d 1095 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
155961e8 1096 struct btusb_data *data = hci_get_drvdata(hdev);
a5e50d5b 1097 unsigned long flags;
7bee549e 1098
89e7533d
MH		 1099 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1100 urb->actual_length);
7bee549e
ON		 1101
1102 if (!test_bit(HCI_RUNNING, &hdev->flags))
1103 goto done;
1104
1105 if (!urb->status)
1106 hdev->stat.byte_tx += urb->transfer_buffer_length;
1107 else
1108 hdev->stat.err_tx++;
1109
1110done:
a5e50d5b 1111 spin_lock_irqsave(&data->txlock, flags);
7bee549e 1112 data->tx_in_flight--;
a5e50d5b 1113 spin_unlock_irqrestore(&data->txlock, flags);
7bee549e
ON		 1114
1115 kfree(urb->setup_packet);
1116
1117 kfree_skb(skb);
1118}
1119
1120static void btusb_isoc_tx_complete(struct urb *urb)
5e23b923
MH		 1121{
1122 struct sk_buff *skb = urb->context;
89e7533d 1123 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
5e23b923 1124
89e7533d
MH		 1125 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1126 urb->actual_length);
5e23b923
MH		 1127
1128 if (!test_bit(HCI_RUNNING, &hdev->flags))
1129 goto done;
1130
1131 if (!urb->status)
1132 hdev->stat.byte_tx += urb->transfer_buffer_length;
1133 else
1134 hdev->stat.err_tx++;
1135
1136done:
1137 kfree(urb->setup_packet);
1138
1139 kfree_skb(skb);
1140}
1141
1142static int btusb_open(struct hci_dev *hdev)
1143{
155961e8 1144 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1145 int err;
1146
1147 BT_DBG("%s", hdev->name);
1148
c7e163fe
EH		 1149 err = usb_autopm_get_interface(data->intf);
1150 if (err < 0)
1151 return err;
1152
ace31982
KBYT		 1153 /* Patching USB firmware files prior to starting any URBs of HCI path
1154 * It is more safe to use USB bulk channel for downloading USB patch
1155 */
1156 if (data->setup_on_usb) {
1157 err = data->setup_on_usb(hdev);
eb50042f 1158 if (err < 0)
ace31982
KBYT		 1159 return err;
1160 }
1161
7bee549e 1162 data->intf->needs_remote_wakeup = 1;
a0085f25
SG		 1163 /* device specific wakeup source enabled and required for USB
1164 * remote wakeup while host is suspended
1165 */
1166 device_wakeup_enable(&data->udev->dev);
7bee549e 1167
5e23b923 1168 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
7bee549e 1169 goto done;
5e23b923 1170
2eda66f4 1171 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
43c2e57f
MH		 1172 if (err < 0)
1173 goto failed;
1174
1175 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
5e23b923 1176 if (err < 0) {
43c2e57f
MH		 1177 usb_kill_anchored_urbs(&data->intr_anchor);
1178 goto failed;
5e23b923
MH		 1179 }
1180
43c2e57f
MH		 1181 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1182 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1183
9d08f504
MH		 1184 if (data->diag) {
1185 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1186 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1187 }
1188
7bee549e
ON		 1189done:
1190 usb_autopm_put_interface(data->intf);
43c2e57f
MH		 1191 return 0;
1192
1193failed:
1194 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 1195 usb_autopm_put_interface(data->intf);
5e23b923
MH		 1196 return err;
1197}
1198
7bee549e
ON		 1199static void btusb_stop_traffic(struct btusb_data *data)
1200{
1201 usb_kill_anchored_urbs(&data->intr_anchor);
1202 usb_kill_anchored_urbs(&data->bulk_anchor);
1203 usb_kill_anchored_urbs(&data->isoc_anchor);
9d08f504 1204 usb_kill_anchored_urbs(&data->diag_anchor);
7bee549e
ON		 1205}
1206
5e23b923
MH		 1207static int btusb_close(struct hci_dev *hdev)
1208{
155961e8 1209 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 1210 int err;
5e23b923
MH		 1211
1212 BT_DBG("%s", hdev->name);
1213
e8c3c3d2 1214 cancel_work_sync(&data->work);
404291ac 1215 cancel_work_sync(&data->waker);
e8c3c3d2 1216
9bfa35fe 1217 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
5e23b923 1218 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
5e23b923 1219 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
9d08f504 1220 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
7bee549e
ON		 1221
1222 btusb_stop_traffic(data);
803b5836
MH		 1223 btusb_free_frags(data);
1224
7bee549e
ON		 1225 err = usb_autopm_get_interface(data->intf);
1226 if (err < 0)
7b8e2c1d 1227 goto failed;
7bee549e
ON		 1228
1229 data->intf->needs_remote_wakeup = 0;
a0085f25 1230 device_wakeup_disable(&data->udev->dev);
7bee549e 1231 usb_autopm_put_interface(data->intf);
5e23b923 1232
7b8e2c1d
ON		 1233failed:
1234 usb_scuttle_anchored_urbs(&data->deferred);
5e23b923
MH		 1235 return 0;
1236}
1237
1238static int btusb_flush(struct hci_dev *hdev)
1239{
155961e8 1240 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1241
1242 BT_DBG("%s", hdev->name);
1243
1244 usb_kill_anchored_urbs(&data->tx_anchor);
803b5836 1245 btusb_free_frags(data);
5e23b923
MH		 1246
1247 return 0;
1248}
1249
047b2ec8 1250static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
5e23b923 1251{
155961e8 1252 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1253 struct usb_ctrlrequest *dr;
1254 struct urb *urb;
1255 unsigned int pipe;
5e23b923 1256
047b2ec8
MH		 1257 urb = usb_alloc_urb(0, GFP_KERNEL);
1258 if (!urb)
1259 return ERR_PTR(-ENOMEM);
5e23b923 1260
047b2ec8
MH		 1261 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1262 if (!dr) {
1263 usb_free_urb(urb);
1264 return ERR_PTR(-ENOMEM);
1265 }
5e23b923 1266
047b2ec8 1267 dr->bRequestType = data->cmdreq_type;
893ba544 1268 dr->bRequest = data->cmdreq;
047b2ec8
MH		 1269 dr->wIndex = 0;
1270 dr->wValue = 0;
1271 dr->wLength = __cpu_to_le16(skb->len);
7bd8f09f 1272
047b2ec8 1273 pipe = usb_sndctrlpipe(data->udev, 0x00);
5e23b923 1274
89e7533d 1275 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
047b2ec8 1276 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1277
89e7533d 1278 skb->dev = (void *)hdev;
5e23b923 1279
047b2ec8
MH		 1280 return urb;
1281}
5e23b923 1282
047b2ec8
MH		 1283static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1284{
1285 struct btusb_data *data = hci_get_drvdata(hdev);
1286 struct urb *urb;
1287 unsigned int pipe;
5e23b923 1288
047b2ec8
MH		 1289 if (!data->bulk_tx_ep)
1290 return ERR_PTR(-ENODEV);
9bfa35fe 1291
047b2ec8
MH		 1292 urb = usb_alloc_urb(0, GFP_KERNEL);
1293 if (!urb)
1294 return ERR_PTR(-ENOMEM);
5e23b923 1295
047b2ec8 1296 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
5e23b923 1297
047b2ec8
MH		 1298 usb_fill_bulk_urb(urb, data->udev, pipe,
1299 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1300
89e7533d 1301 skb->dev = (void *)hdev;
5e23b923 1302
047b2ec8
MH		 1303 return urb;
1304}
9bfa35fe 1305
047b2ec8
MH		 1306static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1307{
1308 struct btusb_data *data = hci_get_drvdata(hdev);
1309 struct urb *urb;
1310 unsigned int pipe;
9bfa35fe 1311
047b2ec8
MH		 1312 if (!data->isoc_tx_ep)
1313 return ERR_PTR(-ENODEV);
9bfa35fe 1314
047b2ec8
MH		 1315 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1316 if (!urb)
1317 return ERR_PTR(-ENOMEM);
9bfa35fe 1318
047b2ec8 1319 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
9bfa35fe 1320
047b2ec8
MH		 1321 usb_fill_int_urb(urb, data->udev, pipe,
1322 skb->data, skb->len, btusb_isoc_tx_complete,
1323 skb, data->isoc_tx_ep->bInterval);
9bfa35fe 1324
047b2ec8 1325 urb->transfer_flags = URB_ISO_ASAP;
5e23b923 1326
047b2ec8
MH		 1327 __fill_isoc_descriptor(urb, skb->len,
1328 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
5e23b923 1329
89e7533d 1330 skb->dev = (void *)hdev;
047b2ec8
MH		 1331
1332 return urb;
1333}
1334
1335static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1336{
1337 struct btusb_data *data = hci_get_drvdata(hdev);
1338 int err;
7bee549e 1339
5e23b923
MH		 1340 usb_anchor_urb(urb, &data->tx_anchor);
1341
e9753eff 1342 err = usb_submit_urb(urb, GFP_KERNEL);
5e23b923 1343 if (err < 0) {
5a9b80e2 1344 if (err != -EPERM && err != -ENODEV)
2064ee33
MH		 1345 bt_dev_err(hdev, "urb %p submission failed (%d)",
1346 urb, -err);
5e23b923
MH		 1347 kfree(urb->setup_packet);
1348 usb_unanchor_urb(urb);
7bee549e
ON		 1349 } else {
1350 usb_mark_last_busy(data->udev);
5e23b923
MH		 1351 }
1352
54a8a79c 1353 usb_free_urb(urb);
5e23b923
MH		 1354 return err;
1355}
1356
047b2ec8
MH		 1357static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1358{
1359 struct btusb_data *data = hci_get_drvdata(hdev);
1360 unsigned long flags;
1361 bool suspending;
1362
1363 spin_lock_irqsave(&data->txlock, flags);
1364 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1365 if (!suspending)
1366 data->tx_in_flight++;
1367 spin_unlock_irqrestore(&data->txlock, flags);
1368
1369 if (!suspending)
1370 return submit_tx_urb(hdev, urb);
1371
1372 usb_anchor_urb(urb, &data->deferred);
1373 schedule_work(&data->waker);
1374
1375 usb_free_urb(urb);
1376 return 0;
1377}
1378
1379static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1380{
1381 struct urb *urb;
1382
1383 BT_DBG("%s", hdev->name);
1384
618e8bc2 1385 switch (hci_skb_pkt_type(skb)) {
047b2ec8
MH		 1386 case HCI_COMMAND_PKT:
1387 urb = alloc_ctrl_urb(hdev, skb);
1388 if (IS_ERR(urb))
1389 return PTR_ERR(urb);
1390
1391 hdev->stat.cmd_tx++;
1392 return submit_or_queue_tx_urb(hdev, urb);
1393
1394 case HCI_ACLDATA_PKT:
1395 urb = alloc_bulk_urb(hdev, skb);
1396 if (IS_ERR(urb))
1397 return PTR_ERR(urb);
1398
1399 hdev->stat.acl_tx++;
1400 return submit_or_queue_tx_urb(hdev, urb);
1401
1402 case HCI_SCODATA_PKT:
1403 if (hci_conn_num(hdev, SCO_LINK) < 1)
1404 return -ENODEV;
1405
1406 urb = alloc_isoc_urb(hdev, skb);
1407 if (IS_ERR(urb))
1408 return PTR_ERR(urb);
1409
1410 hdev->stat.sco_tx++;
1411 return submit_tx_urb(hdev, urb);
1412 }
1413
1414 return -EILSEQ;
1415}
1416
5e23b923
MH		 1417static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1418{
155961e8 1419 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1420
1421 BT_DBG("%s evt %d", hdev->name, evt);
1422
014f7bc7
MH		 1423 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1424 data->sco_num = hci_conn_num(hdev, SCO_LINK);
43c2e57f 1425 schedule_work(&data->work);
a780efa8 1426 }
5e23b923
MH		 1427}
1428
42b16b3f 1429static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
9bfa35fe 1430{
155961e8 1431 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 1432 struct usb_interface *intf = data->isoc;
1433 struct usb_endpoint_descriptor *ep_desc;
1434 int i, err;
1435
1436 if (!data->isoc)
1437 return -ENODEV;
1438
459232fc 1439 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting);
9bfa35fe 1440 if (err < 0) {
2064ee33 1441 bt_dev_err(hdev, "setting interface failed (%d)", -err);
9bfa35fe
MH		 1442 return err;
1443 }
1444
1445 data->isoc_altsetting = altsetting;
1446
1447 data->isoc_tx_ep = NULL;
1448 data->isoc_rx_ep = NULL;
1449
1450 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1451 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1452
1453 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1454 data->isoc_tx_ep = ep_desc;
1455 continue;
1456 }
1457
1458 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1459 data->isoc_rx_ep = ep_desc;
1460 continue;
1461 }
1462 }
1463
1464 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
2064ee33 1465 bt_dev_err(hdev, "invalid SCO descriptors");
9bfa35fe
MH		 1466 return -ENODEV;
1467 }
1468
1469 return 0;
1470}
1471
5e23b923
MH		 1472static void btusb_work(struct work_struct *work)
1473{
1474 struct btusb_data *data = container_of(work, struct btusb_data, work);
1475 struct hci_dev *hdev = data->hdev;
f4001d28 1476 int new_alts;
7bee549e 1477 int err;
5e23b923 1478
014f7bc7 1479 if (data->sco_num > 0) {
08b8b6c4 1480 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
8efdd0cd 1481 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
7bee549e
ON		 1482 if (err < 0) {
1483 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1484 usb_kill_anchored_urbs(&data->isoc_anchor);
1485 return;
1486 }
1487
08b8b6c4 1488 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
7bee549e 1489 }
f4001d28
MA		 1490
1491 if (hdev->voice_setting & 0x0020) {
1492 static const int alts[3] = { 2, 4, 5 };
89e7533d 1493
014f7bc7 1494 new_alts = alts[data->sco_num - 1];
f4001d28 1495 } else {
014f7bc7 1496 new_alts = data->sco_num;
f4001d28
MA		 1497 }
1498
1499 if (data->isoc_altsetting != new_alts) {
f6fc86f2
KP		 1500 unsigned long flags;
1501
9bfa35fe
MH		 1502 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1503 usb_kill_anchored_urbs(&data->isoc_anchor);
1504
8f9d02f4
KP		 1505 /* When isochronous alternate setting needs to be
1506 * changed, because SCO connection has been added
1507 * or removed, a packet fragment may be left in the
1508 * reassembling state. This could lead to wrongly
1509 * assembled fragments.
1510 *
1511 * Clear outstanding fragment when selecting a new
1512 * alternate setting.
1513 */
f6fc86f2 1514 spin_lock_irqsave(&data->rxlock, flags);
8f9d02f4
KP		 1515 kfree_skb(data->sco_skb);
1516 data->sco_skb = NULL;
f6fc86f2 1517 spin_unlock_irqrestore(&data->rxlock, flags);
8f9d02f4 1518
f4001d28 1519 if (__set_isoc_interface(hdev, new_alts) < 0)
9bfa35fe
MH		 1520 return;
1521 }
1522
1523 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2eda66f4 1524 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
9bfa35fe
MH		 1525 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1526 else
2eda66f4 1527 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
9bfa35fe
MH		 1528 }
1529 } else {
1530 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1531 usb_kill_anchored_urbs(&data->isoc_anchor);
1532
1533 __set_isoc_interface(hdev, 0);
08b8b6c4 1534 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
8efdd0cd 1535 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
5e23b923
MH		 1536 }
1537}
1538
7bee549e
ON		 1539static void btusb_waker(struct work_struct *work)
1540{
1541 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1542 int err;
1543
1544 err = usb_autopm_get_interface(data->intf);
1545 if (err < 0)
1546 return;
1547
1548 usb_autopm_put_interface(data->intf);
1549}
1550
9f8f962c
MH		 1551static int btusb_setup_bcm92035(struct hci_dev *hdev)
1552{
1553 struct sk_buff *skb;
1554 u8 val = 0x00;
1555
1556 BT_DBG("%s", hdev->name);
1557
1558 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1559 if (IS_ERR(skb))
2064ee33 1560 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb));
9f8f962c
MH		 1561 else
1562 kfree_skb(skb);
1563
1564 return 0;
1565}
1566
81cac64b
MH		 1567static int btusb_setup_csr(struct hci_dev *hdev)
1568{
1569 struct hci_rp_read_local_version *rp;
1570 struct sk_buff *skb;
81cac64b
MH		 1571
1572 BT_DBG("%s", hdev->name);
1573
7cd84d72
MH		 1574 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1575 HCI_INIT_TIMEOUT);
1576 if (IS_ERR(skb)) {
1577 int err = PTR_ERR(skb);
2064ee33 1578 bt_dev_err(hdev, "CSR: Local version failed (%d)", err);
7cd84d72
MH		 1579 return err;
1580 }
1581
1582 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
2064ee33 1583 bt_dev_err(hdev, "CSR: Local version length mismatch");
7cd84d72
MH		 1584 kfree_skb(skb);
1585 return -EIO;
1586 }
81cac64b 1587
89e7533d 1588 rp = (struct hci_rp_read_local_version *)skb->data;
81cac64b 1589
6cafcd95
JH		 1590 /* Detect controllers which aren't real CSR ones. */
1591 if (le16_to_cpu(rp->manufacturer) != 10 ||
1592 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
9641d343
MH		 1593 /* Clear the reset quirk since this is not an actual
1594 * early Bluetooth 1.1 device from CSR.
1595 */
1596 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b 1597
9641d343
MH		 1598 /* These fake CSR controllers have all a broken
1599 * stored link key handling and so just disable it.
1600 */
1601 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
1602 }
81cac64b
MH		 1603
1604 kfree_skb(skb);
1605
9641d343 1606 return 0;
81cac64b
MH		 1607}
1608
dffd30ee 1609static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
89e7533d 1610 struct intel_version *ver)
dffd30ee
THJA		 1611{
1612 const struct firmware *fw;
1613 char fwname[64];
1614 int ret;
1615
1616 snprintf(fwname, sizeof(fwname),
1617 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1618 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1619 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1620 ver->fw_build_ww, ver->fw_build_yy);
1621
1622 ret = request_firmware(&fw, fwname, &hdev->dev);
1623 if (ret < 0) {
1624 if (ret == -EINVAL) {
85418fef
MH		 1625 bt_dev_err(hdev, "Intel firmware file request failed (%d)",
1626 ret);
dffd30ee
THJA		 1627 return NULL;
1628 }
1629
85418fef
MH		 1630 bt_dev_err(hdev, "failed to open Intel firmware file: %s (%d)",
1631 fwname, ret);
dffd30ee
THJA		 1632
1633 /* If the correct firmware patch file is not found, use the
1634 * default firmware patch file instead
1635 */
1636 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1637 ver->hw_platform, ver->hw_variant);
1638 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
85418fef
MH		 1639 bt_dev_err(hdev, "failed to open default fw file: %s",
1640 fwname);
dffd30ee
THJA		 1641 return NULL;
1642 }
1643 }
1644
2064ee33 1645 bt_dev_info(hdev, "Intel Bluetooth firmware file: %s", fwname);
dffd30ee
THJA		 1646
1647 return fw;
1648}
1649
1650static int btusb_setup_intel_patching(struct hci_dev *hdev,
1651 const struct firmware *fw,
1652 const u8 **fw_ptr, int *disable_patch)
1653{
1654 struct sk_buff *skb;
1655 struct hci_command_hdr *cmd;
1656 const u8 *cmd_param;
1657 struct hci_event_hdr *evt = NULL;
1658 const u8 *evt_param = NULL;
1659 int remain = fw->size - (*fw_ptr - fw->data);
1660
1661 /* The first byte indicates the types of the patch command or event.
1662 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1663 * in the current firmware buffer doesn't start with 0x01 or
1664 * the size of remain buffer is smaller than HCI command header,
1665 * the firmware file is corrupted and it should stop the patching
1666 * process.
1667 */
1668 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
85418fef 1669 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd read");
dffd30ee
THJA		 1670 return -EINVAL;
1671 }
1672 (*fw_ptr)++;
1673 remain--;
1674
1675 cmd = (struct hci_command_hdr *)(*fw_ptr);
1676 *fw_ptr += sizeof(*cmd);
1677 remain -= sizeof(*cmd);
1678
1679 /* Ensure that the remain firmware data is long enough than the length
1680 * of command parameter. If not, the firmware file is corrupted.
1681 */
1682 if (remain < cmd->plen) {
85418fef 1683 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd len");
dffd30ee
THJA		 1684 return -EFAULT;
1685 }
1686
1687 /* If there is a command that loads a patch in the firmware
1688 * file, then enable the patch upon success, otherwise just
1689 * disable the manufacturer mode, for example patch activation
1690 * is not required when the default firmware patch file is used
1691 * because there are no patch data to load.
1692 */
1693 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1694 *disable_patch = 0;
1695
1696 cmd_param = *fw_ptr;
1697 *fw_ptr += cmd->plen;
1698 remain -= cmd->plen;
1699
1700 /* This reads the expected events when the above command is sent to the
1701 * device. Some vendor commands expects more than one events, for
1702 * example command status event followed by vendor specific event.
1703 * For this case, it only keeps the last expected event. so the command
1704 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1705 * last expected event.
1706 */
1707 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1708 (*fw_ptr)++;
1709 remain--;
1710
1711 evt = (struct hci_event_hdr *)(*fw_ptr);
1712 *fw_ptr += sizeof(*evt);
1713 remain -= sizeof(*evt);
1714
1715 if (remain < evt->plen) {
85418fef 1716 bt_dev_err(hdev, "Intel fw corrupted: invalid evt len");
dffd30ee
THJA		 1717 return -EFAULT;
1718 }
1719
1720 evt_param = *fw_ptr;
1721 *fw_ptr += evt->plen;
1722 remain -= evt->plen;
1723 }
1724
1725 /* Every HCI commands in the firmware file has its correspond event.
1726 * If event is not found or remain is smaller than zero, the firmware
1727 * file is corrupted.
1728 */
1729 if (!evt || !evt_param || remain < 0) {
85418fef 1730 bt_dev_err(hdev, "Intel fw corrupted: invalid evt read");
dffd30ee
THJA		 1731 return -EFAULT;
1732 }
1733
1734 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1735 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1736 if (IS_ERR(skb)) {
85418fef
MH		 1737 bt_dev_err(hdev, "sending Intel patch command (0x%4.4x) failed (%ld)",
1738 cmd->opcode, PTR_ERR(skb));
d9c78e97 1739 return PTR_ERR(skb);
dffd30ee
THJA		 1740 }
1741
1742 /* It ensures that the returned event matches the event data read from
1743 * the firmware file. At fist, it checks the length and then
1744 * the contents of the event.
1745 */
1746 if (skb->len != evt->plen) {
85418fef
MH		 1747 bt_dev_err(hdev, "mismatch event length (opcode 0x%4.4x)",
1748 le16_to_cpu(cmd->opcode));
dffd30ee
THJA		 1749 kfree_skb(skb);
1750 return -EFAULT;
1751 }
1752
1753 if (memcmp(skb->data, evt_param, evt->plen)) {
85418fef
MH		 1754 bt_dev_err(hdev, "mismatch event parameter (opcode 0x%4.4x)",
1755 le16_to_cpu(cmd->opcode));
dffd30ee
THJA		 1756 kfree_skb(skb);
1757 return -EFAULT;
1758 }
1759 kfree_skb(skb);
1760
1761 return 0;
1762}
1763
1764static int btusb_setup_intel(struct hci_dev *hdev)
1765{
1766 struct sk_buff *skb;
1767 const struct firmware *fw;
1768 const u8 *fw_ptr;
28dc4b92 1769 int disable_patch, err;
6c483de1 1770 struct intel_version ver;
dffd30ee 1771
dffd30ee
THJA		 1772 BT_DBG("%s", hdev->name);
1773
1774 /* The controller has a bug with the first HCI command sent to it
1775 * returning number of completed commands as zero. This would stall the
1776 * command processing in the Bluetooth core.
1777 *
1778 * As a workaround, send HCI Reset command first which will reset the
1779 * number of completed commands and allow normal command processing
1780 * from now on.
1781 */
1782 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1783 if (IS_ERR(skb)) {
85418fef
MH		 1784 bt_dev_err(hdev, "sending initial HCI reset command failed (%ld)",
1785 PTR_ERR(skb));
d9c78e97 1786 return PTR_ERR(skb);
dffd30ee
THJA		 1787 }
1788 kfree_skb(skb);
1789
1790 /* Read Intel specific controller version first to allow selection of
1791 * which firmware file to load.
1792 *
1793 * The returned information are hardware variant and revision plus
1794 * firmware variant, revision and build number.
1795 */
6c483de1
LP		 1796 err = btintel_read_version(hdev, &ver);
1797 if (err)
1798 return err;
dffd30ee 1799
2064ee33
MH		 1800 bt_dev_info(hdev, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1801 ver.hw_platform, ver.hw_variant, ver.hw_revision,
1802 ver.fw_variant, ver.fw_revision, ver.fw_build_num,
1803 ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
dffd30ee
THJA		 1804
1805 /* fw_patch_num indicates the version of patch the device currently
1806 * have. If there is no patch data in the device, it is always 0x00.
5075edae 1807 * So, if it is other than 0x00, no need to patch the device again.
dffd30ee 1808 */
6c483de1 1809 if (ver.fw_patch_num) {
2064ee33
MH		 1810 bt_dev_info(hdev, "Intel device is already patched. "
1811 "patch num: %02x", ver.fw_patch_num);
213445b2 1812 goto complete;
dffd30ee
THJA		 1813 }
1814
1815 /* Opens the firmware patch file based on the firmware version read
1816 * from the controller. If it fails to open the matching firmware
1817 * patch file, it tries to open the default firmware patch file.
1818 * If no patch file is found, allow the device to operate without
1819 * a patch.
1820 */
6c483de1
LP		 1821 fw = btusb_setup_intel_get_fw(hdev, &ver);
1822 if (!fw)
213445b2 1823 goto complete;
dffd30ee
THJA		 1824 fw_ptr = fw->data;
1825
28dc4b92 1826 /* Enable the manufacturer mode of the controller.
dffd30ee
THJA		 1827 * Only while this mode is enabled, the driver can download the
1828 * firmware patch data and configuration parameters.
1829 */
28dc4b92
LP		 1830 err = btintel_enter_mfg(hdev);
1831 if (err) {
dffd30ee 1832 release_firmware(fw);
28dc4b92 1833 return err;
dffd30ee
THJA		 1834 }
1835
dffd30ee
THJA		 1836 disable_patch = 1;
1837
1838 /* The firmware data file consists of list of Intel specific HCI
1839 * commands and its expected events. The first byte indicates the
1840 * type of the message, either HCI command or HCI event.
1841 *
1842 * It reads the command and its expected event from the firmware file,
1843 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1844 * the returned event is compared with the event read from the firmware
1845 * file and it will continue until all the messages are downloaded to
1846 * the controller.
1847 *
1848 * Once the firmware patching is completed successfully,
1849 * the manufacturer mode is disabled with reset and activating the
1850 * downloaded patch.
1851 *
1852 * If the firmware patching fails, the manufacturer mode is
1853 * disabled with reset and deactivating the patch.
1854 *
1855 * If the default patch file is used, no reset is done when disabling
1856 * the manufacturer.
1857 */
1858 while (fw->size > fw_ptr - fw->data) {
1859 int ret;
1860
1861 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1862 &disable_patch);
1863 if (ret < 0)
1864 goto exit_mfg_deactivate;
1865 }
1866
1867 release_firmware(fw);
1868
1869 if (disable_patch)
1870 goto exit_mfg_disable;
1871
1872 /* Patching completed successfully and disable the manufacturer mode
1873 * with reset and activate the downloaded firmware patches.
1874 */
28dc4b92
LP		 1875 err = btintel_exit_mfg(hdev, true, true);
1876 if (err)
1877 return err;
dffd30ee 1878
2064ee33 1879 bt_dev_info(hdev, "Intel firmware patch completed and activated");
dffd30ee 1880
213445b2 1881 goto complete;
dffd30ee
THJA		 1882
1883exit_mfg_disable:
1884 /* Disable the manufacturer mode without reset */
28dc4b92
LP		 1885 err = btintel_exit_mfg(hdev, false, false);
1886 if (err)
1887 return err;
dffd30ee 1888
2064ee33 1889 bt_dev_info(hdev, "Intel firmware patch completed");
40cb0984 1890
213445b2 1891 goto complete;
dffd30ee
THJA		 1892
1893exit_mfg_deactivate:
1894 release_firmware(fw);
1895
1896 /* Patching failed. Disable the manufacturer mode with reset and
1897 * deactivate the downloaded firmware patches.
1898 */
28dc4b92
LP		 1899 err = btintel_exit_mfg(hdev, true, false);
1900 if (err)
1901 return err;
dffd30ee 1902
2064ee33 1903 bt_dev_info(hdev, "Intel firmware patch completed and deactivated");
dffd30ee 1904
213445b2
MH		 1905complete:
1906 /* Set the event mask for Intel specific vendor events. This enables
1907 * a few extra events that are useful during general operation.
1908 */
1909 btintel_set_event_mask_mfg(hdev, false);
1910
4185a0f5 1911 btintel_check_bdaddr(hdev);
dffd30ee
THJA		 1912 return 0;
1913}
1914
cda0dd78
MH		 1915static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1916{
1917 struct sk_buff *skb;
1918 struct hci_event_hdr *hdr;
1919 struct hci_ev_cmd_complete *evt;
1920
cf07e341 1921 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
cda0dd78
MH		 1922 if (!skb)
1923 return -ENOMEM;
1924
4df864c1 1925 hdr = skb_put(skb, sizeof(*hdr));
cda0dd78
MH		 1926 hdr->evt = HCI_EV_CMD_COMPLETE;
1927 hdr->plen = sizeof(*evt) + 1;
1928
4df864c1 1929 evt = skb_put(skb, sizeof(*evt));
cda0dd78
MH		 1930 evt->ncmd = 0x01;
1931 evt->opcode = cpu_to_le16(opcode);
1932
634fef61 1933 skb_put_u8(skb, 0x00);
cda0dd78 1934
618e8bc2 1935 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
cda0dd78
MH		 1936
1937 return hci_recv_frame(hdev, skb);
1938}
1939
1940static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
1941 int count)
1942{
1943 /* When the device is in bootloader mode, then it can send
1944 * events via the bulk endpoint. These events are treated the
1945 * same way as the ones received from the interrupt endpoint.
1946 */
1947 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
1948 return btusb_recv_intr(data, buffer, count);
1949
1950 return btusb_recv_bulk(data, buffer, count);
1951}
1952
ccd6da2a
MH		 1953static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
1954 unsigned int len)
1955{
1956 const struct intel_bootup *evt = ptr;
1957
1958 if (len != sizeof(*evt))
1959 return;
1960
dff6d593 1961 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags))
ccd6da2a 1962 wake_up_bit(&data->flags, BTUSB_BOOTING);
ccd6da2a
MH		 1963}
1964
1965static void btusb_intel_secure_send_result(struct btusb_data *data,
1966 const void *ptr, unsigned int len)
1967{
1968 const struct intel_secure_send_result *evt = ptr;
1969
1970 if (len != sizeof(*evt))
1971 return;
1972
1973 if (evt->result)
1974 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
1975
1976 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
dff6d593 1977 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags))
ccd6da2a 1978 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
ccd6da2a
MH		 1979}
1980
cda0dd78
MH		 1981static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
1982{
1983 struct btusb_data *data = hci_get_drvdata(hdev);
1984
1985 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1986 struct hci_event_hdr *hdr = (void *)skb->data;
1987
ccd6da2a
MH		 1988 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
1989 hdr->plen > 0) {
1990 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
1991 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
1992
1993 switch (skb->data[2]) {
1994 case 0x02:
1995 /* When switching to the operational firmware
1996 * the device sends a vendor specific event
1997 * indicating that the bootup completed.
1998 */
1999 btusb_intel_bootup(data, ptr, len);
2000 break;
2001 case 0x06:
2002 /* When the firmware loading completes the
2003 * device sends out a vendor specific event
2004 * indicating the result of the firmware
2005 * loading.
2006 */
2007 btusb_intel_secure_send_result(data, ptr, len);
2008 break;
fad70972 2009 }
cda0dd78
MH		 2010 }
2011 }
2012
2013 return hci_recv_frame(hdev, skb);
2014}
2015
2016static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
2017{
2018 struct btusb_data *data = hci_get_drvdata(hdev);
2019 struct urb *urb;
2020
2021 BT_DBG("%s", hdev->name);
2022
618e8bc2 2023 switch (hci_skb_pkt_type(skb)) {
cda0dd78
MH		 2024 case HCI_COMMAND_PKT:
2025 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
2026 struct hci_command_hdr *cmd = (void *)skb->data;
2027 __u16 opcode = le16_to_cpu(cmd->opcode);
2028
2029 /* When in bootloader mode and the command 0xfc09
2030 * is received, it needs to be send down the
2031 * bulk endpoint. So allocate a bulk URB instead.
2032 */
2033 if (opcode == 0xfc09)
2034 urb = alloc_bulk_urb(hdev, skb);
2035 else
2036 urb = alloc_ctrl_urb(hdev, skb);
2037
2038 /* When the 0xfc01 command is issued to boot into
2039 * the operational firmware, it will actually not
2040 * send a command complete event. To keep the flow
2041 * control working inject that event here.
2042 */
2043 if (opcode == 0xfc01)
2044 inject_cmd_complete(hdev, opcode);
2045 } else {
2046 urb = alloc_ctrl_urb(hdev, skb);
2047 }
2048 if (IS_ERR(urb))
2049 return PTR_ERR(urb);
2050
2051 hdev->stat.cmd_tx++;
2052 return submit_or_queue_tx_urb(hdev, urb);
2053
2054 case HCI_ACLDATA_PKT:
2055 urb = alloc_bulk_urb(hdev, skb);
2056 if (IS_ERR(urb))
2057 return PTR_ERR(urb);
2058
2059 hdev->stat.acl_tx++;
2060 return submit_or_queue_tx_urb(hdev, urb);
2061
2062 case HCI_SCODATA_PKT:
2063 if (hci_conn_num(hdev, SCO_LINK) < 1)
2064 return -ENODEV;
2065
2066 urb = alloc_isoc_urb(hdev, skb);
2067 if (IS_ERR(urb))
2068 return PTR_ERR(urb);
2069
2070 hdev->stat.sco_tx++;
2071 return submit_tx_urb(hdev, urb);
2072 }
2073
2074 return -EILSEQ;
2075}
2076
2da711bc
RH		 2077static bool btusb_setup_intel_new_get_fw_name(struct intel_version *ver,
2078 struct intel_boot_params *params,
2079 char *fw_name, size_t len,
2080 const char *suffix)
2081{
2082 switch (ver->hw_variant) {
2083 case 0x0b: /* SfP */
2084 case 0x0c: /* WsP */
2085 snprintf(fw_name, len, "intel/ibt-%u-%u.%s",
2086 le16_to_cpu(ver->hw_variant),
2087 le16_to_cpu(params->dev_revid),
2088 suffix);
2089 break;
2090 case 0x11: /* JfP */
2091 case 0x12: /* ThP */
2092 case 0x13: /* HrP */
2093 case 0x14: /* CcP */
2094 snprintf(fw_name, len, "intel/ibt-%u-%u-%u.%s",
2095 le16_to_cpu(ver->hw_variant),
2096 le16_to_cpu(ver->hw_revision),
2097 le16_to_cpu(ver->fw_revision),
2098 suffix);
2099 break;
2100 default:
2101 return false;
2102 }
2103 return true;
2104}
2105
cda0dd78
MH		 2106static int btusb_setup_intel_new(struct hci_dev *hdev)
2107{
cda0dd78 2108 struct btusb_data *data = hci_get_drvdata(hdev);
6c483de1 2109 struct intel_version ver;
faf174d2 2110 struct intel_boot_params params;
cda0dd78 2111 const struct firmware *fw;
e5889af6 2112 u32 boot_param;
cda0dd78
MH		 2113 char fwname[64];
2114 ktime_t calltime, delta, rettime;
2115 unsigned long long duration;
2116 int err;
2117
2118 BT_DBG("%s", hdev->name);
2119
04d729b8
THJA		 2120 /* Set the default boot parameter to 0x0 and it is updated to
2121 * SKU specific boot parameter after reading Intel_Write_Boot_Params
2122 * command while downloading the firmware.
2123 */
2124 boot_param = 0x00000000;
e5889af6 2125
cda0dd78
MH		 2126 calltime = ktime_get();
2127
2128 /* Read the Intel version information to determine if the device
2129 * is in bootloader mode or if it already has operational firmware
2130 * loaded.
2131 */
6c483de1
LP		 2132 err = btintel_read_version(hdev, &ver);
2133 if (err)
2134 return err;
cda0dd78
MH		 2135
2136 /* The hardware platform number has a fixed value of 0x37 and
2137 * for now only accept this single value.
2138 */
6c483de1 2139 if (ver.hw_platform != 0x37) {
85418fef
MH		 2140 bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)",
2141 ver.hw_platform);
cda0dd78
MH		 2142 return -EINVAL;
2143 }
2144
9268834b
THJA		 2145 /* Check for supported iBT hardware variants of this firmware
2146 * loading method.
a0af53b5
THJA		 2147 *
2148 * This check has been put in place to ensure correct forward
2149 * compatibility options when newer hardware variants come along.
cda0dd78 2150 */
9268834b
THJA		 2151 switch (ver.hw_variant) {
2152 case 0x0b: /* SfP */
2153 case 0x0c: /* WsP */
86a6129a 2154 case 0x11: /* JfP */
de766142 2155 case 0x12: /* ThP */
1ce0cec1 2156 case 0x13: /* HrP */
2da711bc 2157 case 0x14: /* CcP */
9268834b
THJA		 2158 break;
2159 default:
85418fef
MH		 2160 bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
2161 ver.hw_variant);
cda0dd78
MH		 2162 return -EINVAL;
2163 }
2164
6c483de1 2165 btintel_version_info(hdev, &ver);
cda0dd78
MH		 2166
2167 /* The firmware variant determines if the device is in bootloader
2168 * mode or is running operational firmware. The value 0x06 identifies
2169 * the bootloader and the value 0x23 identifies the operational
2170 * firmware.
2171 *
2172 * When the operational firmware is already present, then only
2173 * the check for valid Bluetooth device address is needed. This
2174 * determines if the device will be added as configured or
2175 * unconfigured controller.
2176 *
2177 * It is not possible to use the Secure Boot Parameters in this
2178 * case since that command is only available in bootloader mode.
2179 */
6c483de1 2180 if (ver.fw_variant == 0x23) {
cda0dd78 2181 clear_bit(BTUSB_BOOTLOADER, &data->flags);
4185a0f5 2182 btintel_check_bdaddr(hdev);
cda0dd78
MH		 2183 return 0;
2184 }
2185
2186 /* If the device is not in bootloader mode, then the only possible
2187 * choice is to return an error and abort the device initialization.
2188 */
6c483de1 2189 if (ver.fw_variant != 0x06) {
85418fef
MH		 2190 bt_dev_err(hdev, "Unsupported Intel firmware variant (%u)",
2191 ver.fw_variant);
cda0dd78
MH		 2192 return -ENODEV;
2193 }
2194
cda0dd78
MH		 2195 /* Read the secure boot parameters to identify the operating
2196 * details of the bootloader.
2197 */
faf174d2
THJA		 2198 err = btintel_read_boot_params(hdev, &params);
2199 if (err)
2200 return err;
cda0dd78
MH		 2201
2202 /* It is required that every single firmware fragment is acknowledged
2203 * with a command complete event. If the boot parameters indicate
2204 * that this bootloader does not send them, then abort the setup.
2205 */
faf174d2 2206 if (params.limited_cce != 0x00) {
85418fef
MH		 2207 bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)",
2208 params.limited_cce);
cda0dd78
MH		 2209 return -EINVAL;
2210 }
2211
2212 /* If the OTP has no valid Bluetooth device address, then there will
2213 * also be no valid address for the operational firmware.
2214 */
faf174d2 2215 if (!bacmp(&params.otp_bdaddr, BDADDR_ANY)) {
2064ee33 2216 bt_dev_info(hdev, "No device address configured");
cda0dd78
MH		 2217 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2218 }
2219
2220 /* With this Intel bootloader only the hardware variant and device
af3715e5
J		 2221 * revision information are used to select the right firmware for SfP
2222 * and WsP.
cda0dd78 2223 *
230b04ac
THJA		 2224 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
2225 *
2226 * Currently the supported hardware variants are:
2227 * 11 (0x0b) for iBT3.0 (LnP/SfP)
2228 * 12 (0x0c) for iBT3.5 (WsP)
af3715e5
J		 2229 *
2230 * For ThP/JfP and for future SKU's, the FW name varies based on HW
2231 * variant, HW revision and FW revision, as these are dependent on CNVi
2232 * and RF Combination.
2233 *
86a6129a
THJA		 2234 * 17 (0x11) for iBT3.5 (JfP)
2235 * 18 (0x12) for iBT3.5 (ThP)
af3715e5
J		 2236 *
2237 * The firmware file name for these will be
2238 * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi.
2239 *
cda0dd78 2240 */
2da711bc
RH		 2241 err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
2242 sizeof(fwname), "sfi");
2243 if (!err) {
85418fef 2244 bt_dev_err(hdev, "Unsupported Intel firmware naming");
af3715e5
J		 2245 return -EINVAL;
2246 }
cda0dd78
MH		 2247
2248 err = request_firmware(&fw, fwname, &hdev->dev);
2249 if (err < 0) {
85418fef 2250 bt_dev_err(hdev, "Failed to load Intel firmware file (%d)", err);
cda0dd78
MH		 2251 return err;
2252 }
2253
2064ee33 2254 bt_dev_info(hdev, "Found device firmware: %s", fwname);
cda0dd78 2255
52cc9168
THJA		 2256 /* Save the DDC file name for later use to apply once the firmware
2257 * downloading is done.
2258 */
2da711bc
RH		 2259 err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
2260 sizeof(fwname), "ddc");
2261 if (!err) {
85418fef 2262 bt_dev_err(hdev, "Unsupported Intel firmware naming");
af3715e5
J		 2263 return -EINVAL;
2264 }
52cc9168 2265
cda0dd78 2266 if (fw->size < 644) {
85418fef
MH		 2267 bt_dev_err(hdev, "Invalid size of firmware file (%zu)",
2268 fw->size);
cda0dd78
MH		 2269 err = -EBADF;
2270 goto done;
2271 }
2272
2273 set_bit(BTUSB_DOWNLOADING, &data->flags);
2274
fbbe83c5
THJA		 2275 /* Start firmware downloading and get boot parameter */
2276 err = btintel_download_firmware(hdev, fw, &boot_param);
2277 if (err < 0)
cda0dd78 2278 goto done;
cda0dd78 2279
ce6bb929
MH		 2280 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2281
2064ee33 2282 bt_dev_info(hdev, "Waiting for firmware download to complete");
a087a98e 2283
cda0dd78
MH		 2284 /* Before switching the device into operational mode and with that
2285 * booting the loaded firmware, wait for the bootloader notification
2286 * that all fragments have been successfully received.
2287 *
a087a98e
JH		 2288 * When the event processing receives the notification, then the
2289 * BTUSB_DOWNLOADING flag will be cleared.
2290 *
2291 * The firmware loading should not take longer than 5 seconds
2292 * and thus just timeout if that happens and fail the setup
2293 * of this device.
cda0dd78 2294 */
129a7693
JH		 2295 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2296 TASK_INTERRUPTIBLE,
2297 msecs_to_jiffies(5000));
f0a70a04 2298 if (err == -EINTR) {
85418fef 2299 bt_dev_err(hdev, "Firmware loading interrupted");
a087a98e
JH		 2300 goto done;
2301 }
cda0dd78 2302
a087a98e 2303 if (err) {
85418fef 2304 bt_dev_err(hdev, "Firmware loading timeout");
a087a98e
JH		 2305 err = -ETIMEDOUT;
2306 goto done;
cda0dd78
MH		 2307 }
2308
2309 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
85418fef 2310 bt_dev_err(hdev, "Firmware loading failed");
cda0dd78
MH		 2311 err = -ENOEXEC;
2312 goto done;
2313 }
2314
2315 rettime = ktime_get();
2316 delta = ktime_sub(rettime, calltime);
2317 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2318
2064ee33 2319 bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
cda0dd78
MH		 2320
2321done:
2322 release_firmware(fw);
2323
2324 if (err < 0)
2325 return err;
2326
2327 calltime = ktime_get();
2328
2329 set_bit(BTUSB_BOOTING, &data->flags);
2330
e5889af6
THJA		 2331 err = btintel_send_intel_reset(hdev, boot_param);
2332 if (err)
2333 return err;
cda0dd78
MH		 2334
2335 /* The bootloader will not indicate when the device is ready. This
2336 * is done by the operational firmware sending bootup notification.
fad70972
JH		 2337 *
2338 * Booting into operational firmware should not take longer than
2339 * 1 second. However if that happens, then just fail the setup
2340 * since something went wrong.
cda0dd78 2341 */
2064ee33 2342 bt_dev_info(hdev, "Waiting for device to boot");
cda0dd78 2343
129a7693
JH		 2344 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2345 TASK_INTERRUPTIBLE,
2346 msecs_to_jiffies(1000));
cda0dd78 2347
f0a70a04 2348 if (err == -EINTR) {
85418fef 2349 bt_dev_err(hdev, "Device boot interrupted");
fad70972
JH		 2350 return -EINTR;
2351 }
cda0dd78 2352
fad70972 2353 if (err) {
85418fef 2354 bt_dev_err(hdev, "Device boot timeout");
fad70972 2355 return -ETIMEDOUT;
cda0dd78
MH		 2356 }
2357
2358 rettime = ktime_get();
2359 delta = ktime_sub(rettime, calltime);
2360 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2361
2064ee33 2362 bt_dev_info(hdev, "Device booted in %llu usecs", duration);
cda0dd78
MH		 2363
2364 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2365
52cc9168
THJA		 2366 /* Once the device is running in operational mode, it needs to apply
2367 * the device configuration (DDC) parameters.
2368 *
2369 * The device can work without DDC parameters, so even if it fails
2370 * to load the file, no need to fail the setup.
2371 */
e924d3d6 2372 btintel_load_ddc_config(hdev, fwname);
52cc9168 2373
213445b2
MH		 2374 /* Set the event mask for Intel specific vendor events. This enables
2375 * a few extra events that are useful during general operation. It
2376 * does not enable any debugging related events.
2377 *
2378 * The device will function correctly without these events enabled
2379 * and thus no need to fail the setup.
2380 */
2381 btintel_set_event_mask(hdev, false);
2382
cda0dd78
MH		 2383 return 0;
2384}
2385
bfbd45e9
THJA		 2386static int btusb_shutdown_intel(struct hci_dev *hdev)
2387{
2388 struct sk_buff *skb;
2389 long ret;
2390
1313bccf
AB		 2391 /* In the shutdown sequence where Bluetooth is turned off followed
2392 * by WiFi being turned off, turning WiFi back on causes issue with
2393 * the RF calibration.
2394 *
2395 * To ensure that any RF activity has been stopped, issue HCI Reset
2396 * command to clear all ongoing activity including advertising,
2397 * scanning etc.
2398 */
2399 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
2400 if (IS_ERR(skb)) {
2401 ret = PTR_ERR(skb);
2402 bt_dev_err(hdev, "HCI reset during shutdown failed");
2403 return ret;
2404 }
2405 kfree_skb(skb);
2406
bfbd45e9
THJA		 2407 /* Some platforms have an issue with BT LED when the interface is
2408 * down or BT radio is turned off, which takes 5 seconds to BT LED
2409 * goes off. This command turns off the BT LED immediately.
2410 */
2411 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2412 if (IS_ERR(skb)) {
2413 ret = PTR_ERR(skb);
85418fef 2414 bt_dev_err(hdev, "turning off Intel device LED failed");
bfbd45e9
THJA		 2415 return ret;
2416 }
2417 kfree_skb(skb);
2418
2419 return 0;
2420}
2421
017a01cc
RH		 2422static int btusb_shutdown_intel_new(struct hci_dev *hdev)
2423{
2424 struct sk_buff *skb;
2425
2426 /* Send HCI Reset to the controller to stop any BT activity which
2427 * were triggered. This will help to save power and maintain the
2428 * sync b/w Host and controller
2429 */
2430 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
2431 if (IS_ERR(skb)) {
2432 bt_dev_err(hdev, "HCI reset during shutdown failed");
2433 return PTR_ERR(skb);
2434 }
2435 kfree_skb(skb);
2436
2437 return 0;
2438}
2439
a4ccc9e3
RJ		 2440#ifdef CONFIG_PM
2441/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
2442static int marvell_config_oob_wake(struct hci_dev *hdev)
2443{
2444 struct sk_buff *skb;
2445 struct btusb_data *data = hci_get_drvdata(hdev);
2446 struct device *dev = &data->udev->dev;
2447 u16 pin, gap, opcode;
2448 int ret;
2449 u8 cmd[5];
2450
2451 /* Move on if no wakeup pin specified */
2452 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
2453 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
2454 return 0;
2455
2456 /* Vendor specific command to configure a GPIO as wake-up pin */
2457 opcode = hci_opcode_pack(0x3F, 0x59);
2458 cmd[0] = opcode & 0xFF;
2459 cmd[1] = opcode >> 8;
2460 cmd[2] = 2; /* length of parameters that follow */
2461 cmd[3] = pin;
2462 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */
2463
2464 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
2465 if (!skb) {
2466 bt_dev_err(hdev, "%s: No memory\n", __func__);
2467 return -ENOMEM;
2468 }
2469
59ae1d12 2470 skb_put_data(skb, cmd, sizeof(cmd));
a4ccc9e3
RJ		 2471 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
2472
2473 ret = btusb_send_frame(hdev, skb);
2474 if (ret) {
2475 bt_dev_err(hdev, "%s: configuration failed\n", __func__);
2476 kfree_skb(skb);
2477 return ret;
2478 }
2479
2480 return 0;
2481}
2482#endif
2483
ae8df494
AK		 2484static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
2485 const bdaddr_t *bdaddr)
2486{
2487 struct sk_buff *skb;
2488 u8 buf[8];
2489 long ret;
2490
2491 buf[0] = 0xfe;
2492 buf[1] = sizeof(bdaddr_t);
2493 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
2494
2495 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2496 if (IS_ERR(skb)) {
2497 ret = PTR_ERR(skb);
2064ee33
MH		 2498 bt_dev_err(hdev, "changing Marvell device address failed (%ld)",
2499 ret);
ae8df494
AK		 2500 return ret;
2501 }
2502 kfree_skb(skb);
2503
2504 return 0;
2505}
2506
5859223e
TK		 2507static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
2508 const bdaddr_t *bdaddr)
2509{
2510 struct sk_buff *skb;
2511 u8 buf[10];
2512 long ret;
2513
2514 buf[0] = 0x01;
2515 buf[1] = 0x01;
2516 buf[2] = 0x00;
2517 buf[3] = sizeof(bdaddr_t);
2518 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
2519
2520 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2521 if (IS_ERR(skb)) {
2522 ret = PTR_ERR(skb);
2064ee33 2523 bt_dev_err(hdev, "Change address command failed (%ld)", ret);
5859223e
TK		 2524 return ret;
2525 }
2526 kfree_skb(skb);
2527
2528 return 0;
2529}
2530
3267c884
KBYT		 2531#define QCA_DFU_PACKET_LEN 4096
2532
2533#define QCA_GET_TARGET_VERSION 0x09
2534#define QCA_CHECK_STATUS 0x05
2535#define QCA_DFU_DOWNLOAD 0x01
2536
2537#define QCA_SYSCFG_UPDATED 0x40
2538#define QCA_PATCH_UPDATED 0x80
2539#define QCA_DFU_TIMEOUT 3000
2540
2541struct qca_version {
2542 __le32 rom_version;
2543 __le32 patch_version;
2544 __le32 ram_version;
2545 __le32 ref_clock;
2546 __u8 reserved[4];
2547} __packed;
2548
2549struct qca_rampatch_version {
2550 __le16 rom_version;
2551 __le16 patch_version;
2552} __packed;
2553
2554struct qca_device_info {
bf906b3d
KBYT		 2555 u32 rom_version;
2556 u8 rampatch_hdr; /* length of header in rampatch */
2557 u8 nvm_hdr; /* length of header in NVM */
2558 u8 ver_offset; /* offset of version structure in rampatch */
3267c884
KBYT		 2559};
2560
2561static const struct qca_device_info qca_devices_table[] = {
2562 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2563 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
7f6e6363 2564 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
3267c884
KBYT		 2565 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2566 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2567 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2568};
2569
803cdb8c 2570static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
3267c884
KBYT		 2571 void *data, u16 size)
2572{
3267c884
KBYT		 2573 int pipe, err;
2574 u8 *buf;
2575
2576 buf = kmalloc(size, GFP_KERNEL);
2577 if (!buf)
2578 return -ENOMEM;
2579
2580 /* Found some of USB hosts have IOT issues with ours so that we should
2581 * not wait until HCI layer is ready.
2582 */
2583 pipe = usb_rcvctrlpipe(udev, 0);
2584 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
2585 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2586 if (err < 0) {
803cdb8c 2587 dev_err(&udev->dev, "Failed to access otp area (%d)", err);
3267c884
KBYT		 2588 goto done;
2589 }
2590
2591 memcpy(data, buf, size);
2592
2593done:
2594 kfree(buf);
2595
2596 return err;
2597}
2598
2599static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
2600 const struct firmware *firmware,
2601 size_t hdr_size)
2602{
2603 struct btusb_data *btdata = hci_get_drvdata(hdev);
2604 struct usb_device *udev = btdata->udev;
2605 size_t count, size, sent = 0;
2606 int pipe, len, err;
2607 u8 *buf;
2608
2609 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
2610 if (!buf)
2611 return -ENOMEM;
2612
2613 count = firmware->size;
2614
2615 size = min_t(size_t, count, hdr_size);
2616 memcpy(buf, firmware->data, size);
2617
2618 /* USB patches should go down to controller through USB path
2619 * because binary format fits to go down through USB channel.
2620 * USB control path is for patching headers and USB bulk is for
2621 * patch body.
2622 */
2623 pipe = usb_sndctrlpipe(udev, 0);
2624 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
2625 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2626 if (err < 0) {
2064ee33 2627 bt_dev_err(hdev, "Failed to send headers (%d)", err);
3267c884
KBYT		 2628 goto done;
2629 }
2630
2631 sent += size;
2632 count -= size;
2633
2634 while (count) {
2635 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
2636
2637 memcpy(buf, firmware->data + sent, size);
2638
2639 pipe = usb_sndbulkpipe(udev, 0x02);
2640 err = usb_bulk_msg(udev, pipe, buf, size, &len,
2641 QCA_DFU_TIMEOUT);
2642 if (err < 0) {
2064ee33
MH		 2643 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)",
2644 sent, firmware->size, err);
3267c884
KBYT		 2645 break;
2646 }
2647
2648 if (size != len) {
2064ee33 2649 bt_dev_err(hdev, "Failed to get bulk buffer");
3267c884
KBYT		 2650 err = -EILSEQ;
2651 break;
2652 }
2653
2654 sent += size;
2655 count -= size;
2656 }
2657
2658done:
2659 kfree(buf);
2660 return err;
2661}
2662
2663static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
2664 struct qca_version *ver,
2665 const struct qca_device_info *info)
2666{
2667 struct qca_rampatch_version *rver;
2668 const struct firmware *fw;
bf906b3d
KBYT		 2669 u32 ver_rom, ver_patch;
2670 u16 rver_rom, rver_patch;
3267c884
KBYT		 2671 char fwname[64];
2672 int err;
2673
bf906b3d
KBYT		 2674 ver_rom = le32_to_cpu(ver->rom_version);
2675 ver_patch = le32_to_cpu(ver->patch_version);
2676
2677 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
3267c884
KBYT		 2678
2679 err = request_firmware(&fw, fwname, &hdev->dev);
2680 if (err) {
2064ee33
MH		 2681 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)",
2682 fwname, err);
3267c884
KBYT		 2683 return err;
2684 }
2685
2064ee33 2686 bt_dev_info(hdev, "using rampatch file: %s", fwname);
bf906b3d 2687
3267c884 2688 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
bf906b3d
KBYT		 2689 rver_rom = le16_to_cpu(rver->rom_version);
2690 rver_patch = le16_to_cpu(rver->patch_version);
2691
2064ee33
MH		 2692 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
2693 "firmware rome 0x%x build 0x%x",
2694 rver_rom, rver_patch, ver_rom, ver_patch);
3267c884 2695
bf906b3d 2696 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
2064ee33 2697 bt_dev_err(hdev, "rampatch file version did not match with firmware");
3267c884
KBYT		 2698 err = -EINVAL;
2699 goto done;
2700 }
2701
2702 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
2703
2704done:
2705 release_firmware(fw);
2706
2707 return err;
2708}
2709
2710static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
2711 struct qca_version *ver,
2712 const struct qca_device_info *info)
2713{
2714 const struct firmware *fw;
2715 char fwname[64];
2716 int err;
2717
2718 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
2719 le32_to_cpu(ver->rom_version));
2720
2721 err = request_firmware(&fw, fwname, &hdev->dev);
2722 if (err) {
2064ee33
MH		 2723 bt_dev_err(hdev, "failed to request NVM file: %s (%d)",
2724 fwname, err);
3267c884
KBYT		 2725 return err;
2726 }
2727
2064ee33 2728 bt_dev_info(hdev, "using NVM file: %s", fwname);
3267c884
KBYT		 2729
2730 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
2731
2732 release_firmware(fw);
2733
2734 return err;
2735}
2736
803cdb8c
TI		 2737/* identify the ROM version and check whether patches are needed */
2738static bool btusb_qca_need_patch(struct usb_device *udev)
2739{
2740 struct qca_version ver;
2741
2742 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
2743 sizeof(ver)) < 0)
2744 return false;
2745 /* only low ROM versions need patches */
2746 return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
2747}
2748
3267c884
KBYT		 2749static int btusb_setup_qca(struct hci_dev *hdev)
2750{
803cdb8c
TI		 2751 struct btusb_data *btdata = hci_get_drvdata(hdev);
2752 struct usb_device *udev = btdata->udev;
3267c884
KBYT		 2753 const struct qca_device_info *info = NULL;
2754 struct qca_version ver;
bf906b3d 2755 u32 ver_rom;
3267c884
KBYT		 2756 u8 status;
2757 int i, err;
2758
803cdb8c 2759 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
eb50042f 2760 sizeof(ver));
3267c884
KBYT		 2761 if (err < 0)
2762 return err;
2763
bf906b3d 2764 ver_rom = le32_to_cpu(ver.rom_version);
803cdb8c
TI		 2765 /* Don't care about high ROM versions */
2766 if (ver_rom & ~0xffffU)
2767 return 0;
2768
3267c884 2769 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
bf906b3d 2770 if (ver_rom == qca_devices_table[i].rom_version)
3267c884
KBYT		 2771 info = &qca_devices_table[i];
2772 }
2773 if (!info) {
2064ee33 2774 bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom);
3267c884
KBYT		 2775 return -ENODEV;
2776 }
2777
803cdb8c 2778 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
3267c884
KBYT		 2779 sizeof(status));
2780 if (err < 0)
2781 return err;
2782
2783 if (!(status & QCA_PATCH_UPDATED)) {
2784 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
2785 if (err < 0)
2786 return err;
2787 }
2788
2789 if (!(status & QCA_SYSCFG_UPDATED)) {
2790 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
2791 if (err < 0)
2792 return err;
2793 }
2794
2795 return 0;
2796}
2797
9d08f504
MH		 2798#ifdef CONFIG_BT_HCIBTUSB_BCM
2799static inline int __set_diag_interface(struct hci_dev *hdev)
2800{
2801 struct btusb_data *data = hci_get_drvdata(hdev);
2802 struct usb_interface *intf = data->diag;
2803 int i;
2804
2805 if (!data->diag)
2806 return -ENODEV;
2807
2808 data->diag_tx_ep = NULL;
2809 data->diag_rx_ep = NULL;
2810
2811 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2812 struct usb_endpoint_descriptor *ep_desc;
2813
2814 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2815
2816 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2817 data->diag_tx_ep = ep_desc;
2818 continue;
2819 }
2820
2821 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2822 data->diag_rx_ep = ep_desc;
2823 continue;
2824 }
2825 }
2826
2827 if (!data->diag_tx_ep || !data->diag_rx_ep) {
2064ee33 2828 bt_dev_err(hdev, "invalid diagnostic descriptors");
9d08f504
MH		 2829 return -ENODEV;
2830 }
2831
2832 return 0;
2833}
2834
2835static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
2836{
2837 struct btusb_data *data = hci_get_drvdata(hdev);
2838 struct sk_buff *skb;
2839 struct urb *urb;
2840 unsigned int pipe;
2841
2842 if (!data->diag_tx_ep)
2843 return ERR_PTR(-ENODEV);
2844
2845 urb = usb_alloc_urb(0, GFP_KERNEL);
2846 if (!urb)
2847 return ERR_PTR(-ENOMEM);
2848
2849 skb = bt_skb_alloc(2, GFP_KERNEL);
2850 if (!skb) {
2851 usb_free_urb(urb);
2852 return ERR_PTR(-ENOMEM);
2853 }
2854
634fef61
JB		 2855 skb_put_u8(skb, 0xf0);
2856 skb_put_u8(skb, enable);
9d08f504
MH		 2857
2858 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
2859
2860 usb_fill_bulk_urb(urb, data->udev, pipe,
2861 skb->data, skb->len, btusb_tx_complete, skb);
2862
2863 skb->dev = (void *)hdev;
2864
2865 return urb;
2866}
2867
2868static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
2869{
2870 struct btusb_data *data = hci_get_drvdata(hdev);
2871 struct urb *urb;
2872
2873 if (!data->diag)
2874 return -ENODEV;
2875
2876 if (!test_bit(HCI_RUNNING, &hdev->flags))
2877 return -ENETDOWN;
2878
2879 urb = alloc_diag_urb(hdev, enable);
2880 if (IS_ERR(urb))
2881 return PTR_ERR(urb);
2882
2883 return submit_or_queue_tx_urb(hdev, urb);
2884}
2885#endif
2886
fd913ef7
RJ		 2887#ifdef CONFIG_PM
2888static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
2889{
2890 struct btusb_data *data = priv;
2891
2892 pm_wakeup_event(&data->udev->dev, 0);
017789f3 2893 pm_system_wakeup();
fd913ef7
RJ		 2894
2895 /* Disable only if not already disabled (keep it balanced) */
2896 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
2897 disable_irq_nosync(irq);
2898 disable_irq_wake(irq);
2899 }
2900 return IRQ_HANDLED;
2901}
2902
2903static const struct of_device_id btusb_match_table[] = {
2904 { .compatible = "usb1286,204e" },
4c409af0
BN		 2905 { .compatible = "usbcf3,e300" }, /* QCA6174A */
2906 { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */
fd913ef7
RJ		 2907 { }
2908};
2909MODULE_DEVICE_TABLE(of, btusb_match_table);
2910
2911/* Use an oob wakeup pin? */
2912static int btusb_config_oob_wake(struct hci_dev *hdev)
2913{
2914 struct btusb_data *data = hci_get_drvdata(hdev);
2915 struct device *dev = &data->udev->dev;
2916 int irq, ret;
2917
2918 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
2919
2920 if (!of_match_device(btusb_match_table, dev))
2921 return 0;
2922
2923 /* Move on if no IRQ specified */
2924 irq = of_irq_get_byname(dev->of_node, "wakeup");
2925 if (irq <= 0) {
2926 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
2927 return 0;
2928 }
2929
771acc7e 2930 irq_set_status_flags(irq, IRQ_NOAUTOEN);
fd913ef7
RJ		 2931 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
2932 0, "OOB Wake-on-BT", data);
2933 if (ret) {
2934 bt_dev_err(hdev, "%s: IRQ request failed", __func__);
2935 return ret;
2936 }
2937
2938 ret = device_init_wakeup(dev, true);
2939 if (ret) {
2940 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
2941 return ret;
2942 }
2943
2944 data->oob_wake_irq = irq;
fd913ef7
RJ		 2945 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
2946 return 0;
2947}
2948#endif
2949
fc549102
HG		 2950static void btusb_check_needs_reset_resume(struct usb_interface *intf)
2951{
2952 if (dmi_check_system(btusb_needs_reset_resume_table))
2953 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
2954}
2955
5e23b923 2956static int btusb_probe(struct usb_interface *intf,
89e7533d 2957 const struct usb_device_id *id)
5e23b923
MH		 2958{
2959 struct usb_endpoint_descriptor *ep_desc;
dc786b2c 2960 struct gpio_desc *reset_gpio;
5e23b923
MH		 2961 struct btusb_data *data;
2962 struct hci_dev *hdev;
22f8e9db 2963 unsigned ifnum_base;
5e23b923
MH		 2964 int i, err;
2965
2966 BT_DBG("intf %p id %p", intf, id);
2967
cfeb4145 2968 /* interface numbers are hardcoded in the spec */
22f8e9db
MH		 2969 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
2970 if (!(id->driver_info & BTUSB_IFNUM_2))
2971 return -ENODEV;
2972 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
2973 return -ENODEV;
2974 }
2975
2976 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
5e23b923
MH		 2977
2978 if (!id->driver_info) {
2979 const struct usb_device_id *match;
89e7533d 2980
5e23b923
MH		 2981 match = usb_match_id(intf, blacklist_table);
2982 if (match)
2983 id = match;
2984 }
2985
cfeb4145
MH		 2986 if (id->driver_info == BTUSB_IGNORE)
2987 return -ENODEV;
2988
2d25f8b4
SL		 2989 if (id->driver_info & BTUSB_ATH3012) {
2990 struct usb_device *udev = interface_to_usbdev(intf);
2991
2992 /* Old firmware would otherwise let ath3k driver load
d98422cb
DR		 2993 * patch and sysconfig files
2994 */
803cdb8c
TI		 2995 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
2996 !btusb_qca_need_patch(udev))
2d25f8b4
SL		 2997 return -ENODEV;
2998 }
2999
98921dbd 3000 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
5e23b923
MH		 3001 if (!data)
3002 return -ENOMEM;
3003
3004 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3005 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3006
3007 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
3008 data->intr_ep = ep_desc;
3009 continue;
3010 }
3011
3012 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
3013 data->bulk_tx_ep = ep_desc;
3014 continue;
3015 }
3016
3017 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
3018 data->bulk_rx_ep = ep_desc;
3019 continue;
3020 }
3021 }
3022
98921dbd 3023 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
5e23b923 3024 return -ENODEV;
5e23b923 3025
893ba544
MH		 3026 if (id->driver_info & BTUSB_AMP) {
3027 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
3028 data->cmdreq = 0x2b;
3029 } else {
3030 data->cmdreq_type = USB_TYPE_CLASS;
3031 data->cmdreq = 0x00;
3032 }
7a9d4020 3033
5e23b923 3034 data->udev = interface_to_usbdev(intf);
5fbcd260 3035 data->intf = intf;
5e23b923 3036
5e23b923 3037 INIT_WORK(&data->work, btusb_work);
7bee549e 3038 INIT_WORK(&data->waker, btusb_waker);
803b5836
MH		 3039 init_usb_anchor(&data->deferred);
3040 init_usb_anchor(&data->tx_anchor);
7bee549e 3041 spin_lock_init(&data->txlock);
5e23b923 3042
5e23b923
MH		 3043 init_usb_anchor(&data->intr_anchor);
3044 init_usb_anchor(&data->bulk_anchor);
9bfa35fe 3045 init_usb_anchor(&data->isoc_anchor);
9d08f504 3046 init_usb_anchor(&data->diag_anchor);
803b5836 3047 spin_lock_init(&data->rxlock);
5e23b923 3048
cda0dd78
MH		 3049 if (id->driver_info & BTUSB_INTEL_NEW) {
3050 data->recv_event = btusb_recv_event_intel;
3051 data->recv_bulk = btusb_recv_bulk_intel;
3052 set_bit(BTUSB_BOOTLOADER, &data->flags);
3053 } else {
3054 data->recv_event = hci_recv_frame;
3055 data->recv_bulk = btusb_recv_bulk;
3056 }
2cbd3f5c 3057
5e23b923 3058 hdev = hci_alloc_dev();
98921dbd 3059 if (!hdev)
5e23b923 3060 return -ENOMEM;
5e23b923 3061
c13854ce 3062 hdev->bus = HCI_USB;
155961e8 3063 hci_set_drvdata(hdev, data);
5e23b923 3064
893ba544
MH		 3065 if (id->driver_info & BTUSB_AMP)
3066 hdev->dev_type = HCI_AMP;
3067 else
ca8bee5d 3068 hdev->dev_type = HCI_PRIMARY;
893ba544 3069
5e23b923
MH		 3070 data->hdev = hdev;
3071
3072 SET_HCIDEV_DEV(hdev, &intf->dev);
3073
dc786b2c
RJ		 3074 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset",
3075 GPIOD_OUT_LOW);
3076 if (IS_ERR(reset_gpio)) {
3077 err = PTR_ERR(reset_gpio);
3078 goto out_free_dev;
3079 } else if (reset_gpio) {
3080 data->reset_gpio = reset_gpio;
3081 }
3082
9f8f962c
MH		 3083 hdev->open = btusb_open;
3084 hdev->close = btusb_close;
3085 hdev->flush = btusb_flush;
3086 hdev->send = btusb_send_frame;
3087 hdev->notify = btusb_notify;
3088
fd913ef7
RJ		 3089#ifdef CONFIG_PM
3090 err = btusb_config_oob_wake(hdev);
3091 if (err)
3092 goto out_free_dev;
a4ccc9e3
RJ		 3093
3094 /* Marvell devices may need a specific chip configuration */
3095 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
3096 err = marvell_config_oob_wake(hdev);
3097 if (err)
3098 goto out_free_dev;
3099 }
fd913ef7 3100#endif
418678b0
SJ		 3101 if (id->driver_info & BTUSB_CW6622)
3102 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3103
6c9d435d
MH		 3104 if (id->driver_info & BTUSB_BCM2045)
3105 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3106
9f8f962c
MH		 3107 if (id->driver_info & BTUSB_BCM92035)
3108 hdev->setup = btusb_setup_bcm92035;
5e23b923 3109
c2bfb100 3110#ifdef CONFIG_BT_HCIBTUSB_BCM
abbaf50e 3111 if (id->driver_info & BTUSB_BCM_PATCHRAM) {
49a5f782 3112 hdev->manufacturer = 15;
c2bfb100 3113 hdev->setup = btbcm_setup_patchram;
9d08f504 3114 hdev->set_diag = btusb_bcm_set_diag;
1df1f591 3115 hdev->set_bdaddr = btbcm_set_bdaddr;
9d08f504
MH		 3116
3117 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 3118 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
abbaf50e 3119 }
10d4c673 3120
9d08f504 3121 if (id->driver_info & BTUSB_BCM_APPLE) {
49a5f782 3122 hdev->manufacturer = 15;
c2bfb100 3123 hdev->setup = btbcm_setup_apple;
9d08f504
MH		 3124 hdev->set_diag = btusb_bcm_set_diag;
3125
3126 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 3127 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
9d08f504 3128 }
c2bfb100 3129#endif
17b2772b 3130
cb8d6597 3131 if (id->driver_info & BTUSB_INTEL) {
49a5f782 3132 hdev->manufacturer = 2;
dffd30ee 3133 hdev->setup = btusb_setup_intel;
bfbd45e9 3134 hdev->shutdown = btusb_shutdown_intel;
3e24767b 3135 hdev->set_diag = btintel_set_diag_mfg;
4185a0f5 3136 hdev->set_bdaddr = btintel_set_bdaddr;
dc786b2c 3137 hdev->cmd_timeout = btusb_intel_cmd_timeout;
c33fb9b4 3138 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
c1154842 3139 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3e24767b 3140 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
cb8d6597 3141 }
dffd30ee 3142
cda0dd78 3143 if (id->driver_info & BTUSB_INTEL_NEW) {
49a5f782 3144 hdev->manufacturer = 2;
cda0dd78
MH		 3145 hdev->send = btusb_send_frame_intel;
3146 hdev->setup = btusb_setup_intel_new;
017a01cc 3147 hdev->shutdown = btusb_shutdown_intel_new;
eeb6abe9 3148 hdev->hw_error = btintel_hw_error;
6d2e50d2 3149 hdev->set_diag = btintel_set_diag;
4185a0f5 3150 hdev->set_bdaddr = btintel_set_bdaddr;
dc786b2c 3151 hdev->cmd_timeout = btusb_intel_cmd_timeout;
b970c5ba 3152 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
f7785021 3153 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
d8270fbb 3154 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
cda0dd78
MH		 3155 }
3156
ae8df494
AK		 3157 if (id->driver_info & BTUSB_MARVELL)
3158 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
3159
661cf88a
MH		 3160 if (id->driver_info & BTUSB_SWAVE) {
3161 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
d57dbe77 3162 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
661cf88a 3163 }
d57dbe77 3164
e4c534bb
MH		 3165 if (id->driver_info & BTUSB_INTEL_BOOT) {
3166 hdev->manufacturer = 2;
40df783d 3167 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
e4c534bb 3168 }
40df783d 3169
79f0c87d 3170 if (id->driver_info & BTUSB_ATH3012) {
803cdb8c 3171 data->setup_on_usb = btusb_setup_qca;
5859223e 3172 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3d50d51a 3173 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
79f0c87d
JP		 3174 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3175 }
5859223e 3176
3267c884
KBYT		 3177 if (id->driver_info & BTUSB_QCA_ROME) {
3178 data->setup_on_usb = btusb_setup_qca;
3179 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
96e58d36 3180 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
fc549102 3181 btusb_check_needs_reset_resume(intf);
3267c884
KBYT		 3182 }
3183
db33c77d 3184#ifdef CONFIG_BT_HCIBTUSB_RTL
04b8c814 3185 if (id->driver_info & BTUSB_REALTEK) {
db33c77d 3186 hdev->setup = btrtl_setup_realtek;
04b8c814
DD		 3187
3188 /* Realtek devices lose their updated firmware over suspend,
3189 * but the USB hub doesn't notice any status change.
3190 * Explicitly request a device reset on resume.
3191 */
61f5acea 3192 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
04b8c814 3193 }
db33c77d 3194#endif
a2698a9b 3195
893ba544
MH		 3196 if (id->driver_info & BTUSB_AMP) {
3197 /* AMP controllers do not support SCO packets */
3198 data->isoc = NULL;
3199 } else {
22f8e9db
MH		 3200 /* Interface orders are hardcoded in the specification */
3201 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
459232fc 3202 data->isoc_ifnum = ifnum_base + 1;
893ba544 3203 }
9bfa35fe 3204
7a9d4020 3205 if (!reset)
a6c511c6 3206 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
cfeb4145
MH		 3207
3208 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
3209 if (!disable_scofix)
3210 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
3211 }
3212
9bfa35fe
MH		 3213 if (id->driver_info & BTUSB_BROKEN_ISOC)
3214 data->isoc = NULL;
3215
7a9d4020
MH		 3216 if (id->driver_info & BTUSB_DIGIANSWER) {
3217 data->cmdreq_type = USB_TYPE_VENDOR;
a6c511c6 3218 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
7a9d4020
MH		 3219 }
3220
3221 if (id->driver_info & BTUSB_CSR) {
3222 struct usb_device *udev = data->udev;
81cac64b 3223 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
7a9d4020
MH		 3224
3225 /* Old firmware would otherwise execute USB reset */
81cac64b 3226 if (bcdDevice < 0x117)
a6c511c6 3227 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b
MH		 3228
3229 /* Fake CSR devices with broken commands */
6cafcd95 3230 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
81cac64b 3231 hdev->setup = btusb_setup_csr;
49c989a0
JP		 3232
3233 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
7a9d4020
MH		 3234 }
3235
cfeb4145 3236 if (id->driver_info & BTUSB_SNIFFER) {
9bfa35fe 3237 struct usb_device *udev = data->udev;
cfeb4145 3238
7a9d4020 3239 /* New sniffer firmware has crippled HCI interface */
cfeb4145
MH		 3240 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
3241 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
3242 }
3243
3a5ef20c
MH		 3244 if (id->driver_info & BTUSB_INTEL_BOOT) {
3245 /* A bug in the bootloader causes that interrupt interface is
3246 * only enabled after receiving SetInterface(0, AltSetting=0).
3247 */
3248 err = usb_set_interface(data->udev, 0, 0);
3249 if (err < 0) {
3250 BT_ERR("failed to set interface 0, alt 0 %d", err);
10ab133b 3251 goto out_free_dev;
3a5ef20c
MH		 3252 }
3253 }
3254
9bfa35fe
MH		 3255 if (data->isoc) {
3256 err = usb_driver_claim_interface(&btusb_driver,
89e7533d 3257 data->isoc, data);
10ab133b
RJ		 3258 if (err < 0)
3259 goto out_free_dev;
9bfa35fe
MH		 3260 }
3261
9d08f504
MH		 3262#ifdef CONFIG_BT_HCIBTUSB_BCM
3263 if (data->diag) {
3264 if (!usb_driver_claim_interface(&btusb_driver,
3265 data->diag, data))
3266 __set_diag_interface(hdev);
3267 else
3268 data->diag = NULL;
3269 }
3270#endif
3271
eff2d68c
HG		 3272 if (enable_autosuspend)
3273 usb_enable_autosuspend(data->udev);
3274
5e23b923 3275 err = hci_register_dev(hdev);
10ab133b
RJ		 3276 if (err < 0)
3277 goto out_free_dev;
5e23b923
MH		 3278
3279 usb_set_intfdata(intf, data);
3280
3281 return 0;
10ab133b
RJ		 3282
3283out_free_dev:
dc786b2c
RJ		 3284 if (data->reset_gpio)
3285 gpiod_put(data->reset_gpio);
10ab133b
RJ		 3286 hci_free_dev(hdev);
3287 return err;
5e23b923
MH		 3288}
3289
3290static void btusb_disconnect(struct usb_interface *intf)
3291{
3292 struct btusb_data *data = usb_get_intfdata(intf);
3293 struct hci_dev *hdev;
3294
3295 BT_DBG("intf %p", intf);
3296
3297 if (!data)
3298 return;
3299
3300 hdev = data->hdev;
5fbcd260
MH		 3301 usb_set_intfdata(data->intf, NULL);
3302
3303 if (data->isoc)
3304 usb_set_intfdata(data->isoc, NULL);
5e23b923 3305
9d08f504
MH		 3306 if (data->diag)
3307 usb_set_intfdata(data->diag, NULL);
3308
5e23b923
MH		 3309 hci_unregister_dev(hdev);
3310
9d08f504
MH		 3311 if (intf == data->intf) {
3312 if (data->isoc)
3313 usb_driver_release_interface(&btusb_driver, data->isoc);
3314 if (data->diag)
3315 usb_driver_release_interface(&btusb_driver, data->diag);
3316 } else if (intf == data->isoc) {
3317 if (data->diag)
3318 usb_driver_release_interface(&btusb_driver, data->diag);
5fbcd260 3319 usb_driver_release_interface(&btusb_driver, data->intf);
9d08f504
MH		 3320 } else if (intf == data->diag) {
3321 usb_driver_release_interface(&btusb_driver, data->intf);
3322 if (data->isoc)
3323 usb_driver_release_interface(&btusb_driver, data->isoc);
3324 }
5fbcd260 3325
fd913ef7
RJ		 3326 if (data->oob_wake_irq)
3327 device_init_wakeup(&data->udev->dev, false);
3328
dc786b2c
RJ		 3329 if (data->reset_gpio)
3330 gpiod_put(data->reset_gpio);
3331
5e23b923
MH		 3332 hci_free_dev(hdev);
3333}
3334
7bee549e 3335#ifdef CONFIG_PM
6a88adf2
MH		 3336static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
3337{
3338 struct btusb_data *data = usb_get_intfdata(intf);
3339
3340 BT_DBG("intf %p", intf);
3341
3342 if (data->suspend_count++)
3343 return 0;
3344
7bee549e 3345 spin_lock_irq(&data->txlock);
5b1b0b81 3346 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
7bee549e
ON		 3347 set_bit(BTUSB_SUSPENDING, &data->flags);
3348 spin_unlock_irq(&data->txlock);
3349 } else {
3350 spin_unlock_irq(&data->txlock);
3351 data->suspend_count--;
3352 return -EBUSY;
3353 }
3354
6a88adf2
MH		 3355 cancel_work_sync(&data->work);
3356
7bee549e 3357 btusb_stop_traffic(data);
6a88adf2
MH		 3358 usb_kill_anchored_urbs(&data->tx_anchor);
3359
fd913ef7
RJ		 3360 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
3361 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
3362 enable_irq_wake(data->oob_wake_irq);
3363 enable_irq(data->oob_wake_irq);
3364 }
3365
6a88adf2
MH		 3366 return 0;
3367}
3368
7bee549e
ON		 3369static void play_deferred(struct btusb_data *data)
3370{
3371 struct urb *urb;
3372 int err;
3373
3374 while ((urb = usb_get_from_anchor(&data->deferred))) {
19cfe912
JC		 3375 usb_anchor_urb(urb, &data->tx_anchor);
3376
7bee549e 3377 err = usb_submit_urb(urb, GFP_ATOMIC);
19cfe912
JC		 3378 if (err < 0) {
3379 if (err != -EPERM && err != -ENODEV)
3380 BT_ERR("%s urb %p submission failed (%d)",
3381 data->hdev->name, urb, -err);
3382 kfree(urb->setup_packet);
3383 usb_unanchor_urb(urb);
3384 usb_free_urb(urb);
7bee549e 3385 break;
19cfe912 3386 }
7bee549e
ON		 3387
3388 data->tx_in_flight++;
19cfe912
JC		 3389 usb_free_urb(urb);
3390 }
3391
3392 /* Cleanup the rest deferred urbs. */
3393 while ((urb = usb_get_from_anchor(&data->deferred))) {
3394 kfree(urb->setup_packet);
3395 usb_free_urb(urb);
7bee549e 3396 }
7bee549e
ON		 3397}
3398
6a88adf2
MH		 3399static int btusb_resume(struct usb_interface *intf)
3400{
3401 struct btusb_data *data = usb_get_intfdata(intf);
3402 struct hci_dev *hdev = data->hdev;
7bee549e 3403 int err = 0;
6a88adf2
MH		 3404
3405 BT_DBG("intf %p", intf);
3406
3407 if (--data->suspend_count)
3408 return 0;
3409
fd913ef7
RJ		 3410 /* Disable only if not already disabled (keep it balanced) */
3411 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
3412 disable_irq(data->oob_wake_irq);
3413 disable_irq_wake(data->oob_wake_irq);
3414 }
3415
6a88adf2 3416 if (!test_bit(HCI_RUNNING, &hdev->flags))
7bee549e 3417 goto done;
6a88adf2
MH		 3418
3419 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
3420 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
3421 if (err < 0) {
3422 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 3423 goto failed;
6a88adf2
MH		 3424 }
3425 }
3426
3427 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
43c2e57f
MH		 3428 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
3429 if (err < 0) {
6a88adf2 3430 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
7bee549e
ON		 3431 goto failed;
3432 }
3433
3434 btusb_submit_bulk_urb(hdev, GFP_NOIO);
6a88adf2
MH		 3435 }
3436
3437 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
3438 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
3439 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3440 else
3441 btusb_submit_isoc_urb(hdev, GFP_NOIO);
3442 }
3443
7bee549e
ON		 3444 spin_lock_irq(&data->txlock);
3445 play_deferred(data);
3446 clear_bit(BTUSB_SUSPENDING, &data->flags);
3447 spin_unlock_irq(&data->txlock);
3448 schedule_work(&data->work);
3449
6a88adf2 3450 return 0;
7bee549e
ON		 3451
3452failed:
3453 usb_scuttle_anchored_urbs(&data->deferred);
3454done:
3455 spin_lock_irq(&data->txlock);
3456 clear_bit(BTUSB_SUSPENDING, &data->flags);
3457 spin_unlock_irq(&data->txlock);
3458
3459 return err;
6a88adf2 3460}
7bee549e 3461#endif
6a88adf2 3462
5e23b923
MH		 3463static struct usb_driver btusb_driver = {
3464 .name = "btusb",
3465 .probe = btusb_probe,
3466 .disconnect = btusb_disconnect,
7bee549e 3467#ifdef CONFIG_PM
6a88adf2
MH		 3468 .suspend = btusb_suspend,
3469 .resume = btusb_resume,
7bee549e 3470#endif
5e23b923 3471 .id_table = btusb_table,
7bee549e 3472 .supports_autosuspend = 1,
e1f12eb6 3473 .disable_hub_initiated_lpm = 1,
5e23b923
MH		 3474};
3475
93f1508c 3476module_usb_driver(btusb_driver);
5e23b923 3477
cfeb4145
MH		 3478module_param(disable_scofix, bool, 0644);
3479MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
3480
3481module_param(force_scofix, bool, 0644);
3482MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
3483
eff2d68c
HG		 3484module_param(enable_autosuspend, bool, 0644);
3485MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
3486
cfeb4145
MH		 3487module_param(reset, bool, 0644);
3488MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
3489
5e23b923
MH		 3490MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3491MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
3492MODULE_VERSION(VERSION);
3493MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)