]> git.ipfire.org Git - thirdparty/kernel/stable.git/blame - drivers/bluetooth/btusb.c
projects / thirdparty / kernel / stable.git / blame
? search:
summary | shortlog | log | commit | commitdiff | tree
blob | blame (incremental) | history | HEAD
6lowpan: iphc: fix invalid case handling
[thirdparty/kernel/stable.git] / drivers / bluetooth / btusb.c
CommitLineData
5e23b923
MH		 1/*
2 *
3 * Generic Bluetooth USB driver
4 *
9bfa35fe 5 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
5e23b923
MH		 6 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
5e23b923 24#include <linux/module.h>
5e23b923 25#include <linux/usb.h>
dffd30ee 26#include <linux/firmware.h>
a2698a9b 27#include <asm/unaligned.h>
5e23b923
MH		 28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
31
4185a0f5 32#include "btintel.h"
1df1f591 33#include "btbcm.h"
db33c77d 34#include "btrtl.h"
1df1f591 35
34dced9b 36#define VERSION "0.8"
cfeb4145 37
90ab5ee9
RR		 38static bool disable_scofix;
39static bool force_scofix;
7a9d4020 40
917a3337 41static bool reset = true;
cfeb4145
MH		 42
43static struct usb_driver btusb_driver;
44
45#define BTUSB_IGNORE 0x01
7a9d4020
MH		 46#define BTUSB_DIGIANSWER 0x02
47#define BTUSB_CSR 0x04
48#define BTUSB_SNIFFER 0x08
49#define BTUSB_BCM92035 0x10
50#define BTUSB_BROKEN_ISOC 0x20
51#define BTUSB_WRONG_SCO_MTU 0x40
2d25f8b4 52#define BTUSB_ATH3012 0x80
dffd30ee 53#define BTUSB_INTEL 0x100
40df783d
MH		 54#define BTUSB_INTEL_BOOT 0x200
55#define BTUSB_BCM_PATCHRAM 0x400
ae8df494 56#define BTUSB_MARVELL 0x800
4fcef8ed 57#define BTUSB_SWAVE 0x1000
cda0dd78 58#define BTUSB_INTEL_NEW 0x2000
893ba544 59#define BTUSB_AMP 0x4000
3267c884 60#define BTUSB_QCA_ROME 0x8000
17b2772b 61#define BTUSB_BCM_APPLE 0x10000
a2698a9b 62#define BTUSB_REALTEK 0x20000
6c9d435d 63#define BTUSB_BCM2045 0x40000
22f8e9db 64#define BTUSB_IFNUM_2 0x80000
5e23b923 65
54265202 66static const struct usb_device_id btusb_table[] = {
5e23b923
MH		 67 /* Generic Bluetooth USB device */
68 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
69
893ba544
MH		 70 /* Generic Bluetooth AMP device */
71 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
72
d63b2826
DD		 73 /* Generic Bluetooth USB interface */
74 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
75
1fa6535f 76 /* Apple-specific (Broadcom) devices */
17b2772b 77 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
22f8e9db 78 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
1fa6535f 79
178c059e
CYC		 80 /* MediaTek MT76x0E */
81 { USB_DEVICE(0x0e8d, 0x763f) },
82
c510eae3 83 /* Broadcom SoftSailing reporting vendor specific */
2e8b5063 84 { USB_DEVICE(0x0a5c, 0x21e1) },
c510eae3 85
3cd01976
NI		 86 /* Apple MacBookPro 7,1 */
87 { USB_DEVICE(0x05ac, 0x8213) },
88
0a79f674
CL		 89 /* Apple iMac11,1 */
90 { USB_DEVICE(0x05ac, 0x8215) },
91
9c047157
NI		 92 /* Apple MacBookPro6,2 */
93 { USB_DEVICE(0x05ac, 0x8218) },
94
3e3ede7d
EH		 95 /* Apple MacBookAir3,1, MacBookAir3,2 */
96 { USB_DEVICE(0x05ac, 0x821b) },
97
a63b723d
PAVM		 98 /* Apple MacBookAir4,1 */
99 { USB_DEVICE(0x05ac, 0x821f) },
100
88d377b6
MAP		 101 /* Apple MacBookPro8,2 */
102 { USB_DEVICE(0x05ac, 0x821a) },
103
f78b6826
JK		 104 /* Apple MacMini5,1 */
105 { USB_DEVICE(0x05ac, 0x8281) },
106
cfeb4145 107 /* AVM BlueFRITZ! USB v2.0 */
4fcef8ed 108 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
cfeb4145
MH		 109
110 /* Bluetooth Ultraport Module from IBM */
111 { USB_DEVICE(0x04bf, 0x030a) },
112
113 /* ALPS Modules with non-standard id */
114 { USB_DEVICE(0x044e, 0x3001) },
115 { USB_DEVICE(0x044e, 0x3002) },
116
117 /* Ericsson with non-standard id */
118 { USB_DEVICE(0x0bdb, 0x1002) },
119
120 /* Canyon CN-BTU1 with HID interfaces */
7a9d4020 121 { USB_DEVICE(0x0c10, 0x0000) },
cfeb4145 122
d13431ca
WJS		 123 /* Broadcom BCM20702A0 */
124 { USB_DEVICE(0x413c, 0x8197) },
125
d049f4e5
MH		 126 /* Broadcom BCM20702B0 (Dynex/Insignia) */
127 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
128
2faf71ce
SR		 129 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
130 { USB_DEVICE(0x105b, 0xe065), .driver_info = BTUSB_BCM_PATCHRAM },
131
98514036 132 /* Foxconn - Hon Hai */
6029ddc2
HS		 133 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
134 .driver_info = BTUSB_BCM_PATCHRAM },
98514036 135
8f0c304c
MD		 136 /* Lite-On Technology - Broadcom based */
137 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
138 .driver_info = BTUSB_BCM_PATCHRAM },
139
0b880062 140 /* Broadcom devices with vendor specific id */
10d4c673
PG		 141 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
142 .driver_info = BTUSB_BCM_PATCHRAM },
92c385f4 143
c2aef6e8 144 /* ASUSTek Computer - Broadcom based */
9a5abdaa
RD		 145 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
146 .driver_info = BTUSB_BCM_PATCHRAM },
c2aef6e8 147
5bcecf32 148 /* Belkin F8065bf - Broadcom based */
6331c686
MH		 149 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
150 .driver_info = BTUSB_BCM_PATCHRAM },
5bcecf32 151
9113bfd8 152 /* IMC Networks - Broadcom based */
6331c686
MH		 153 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
154 .driver_info = BTUSB_BCM_PATCHRAM },
9113bfd8 155
1623d0bf
DT		 156 /* Toshiba Corp - Broadcom based */
157 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
158 .driver_info = BTUSB_BCM_PATCHRAM },
159
40df783d 160 /* Intel Bluetooth USB Bootloader (RAM module) */
d92f2df0
MH		 161 { USB_DEVICE(0x8087, 0x0a5a),
162 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
40df783d 163
5e23b923
MH		 164 { } /* Terminating entry */
165};
166
167MODULE_DEVICE_TABLE(usb, btusb_table);
168
54265202 169static const struct usb_device_id blacklist_table[] = {
cfeb4145
MH		 170 /* CSR BlueCore devices */
171 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
172
173 /* Broadcom BCM2033 without firmware */
174 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
175
6c9d435d
MH		 176 /* Broadcom BCM2045 devices */
177 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
178
be93112a 179 /* Atheros 3011 with sflash firmware */
0b880062
AS		 180 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
181 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
2eeff0b4 182 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
0b880062 183 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
be93112a 184 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
6eda541d 185 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
2a7bcccc 186 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
be93112a 187
509e7861
CYC		 188 /* Atheros AR9285 Malbec with sflash firmware */
189 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
190
d9f51b51 191 /* Atheros 3012 with sflash firmware */
0b880062
AS		 192 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
193 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
194 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
195 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
196 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
692c062e 197 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
4b552bc9 198 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
28c971d8 199 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 200 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
201 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
202 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
203 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
1fb4e09a 204 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 205 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
206 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
7e730c7f 207 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
ec0810d2 208 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
134d3b35 209 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
0b880062 210 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
cd355ff0 211 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
0b880062 212 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
89d2975f 213 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
a735f9e2 214 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
d66629c1 215 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
2d25f8b4 216 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
94a32d10 217 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
07c0ea87 218 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
b131237c 219 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
1e56f1eb 220 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
0b880062 221 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
ebaf5795 222 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
18e0afab 223 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
0b880062 224 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
ac71311e 225 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc 226 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
ca79f232 227 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 228 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
229 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
eed307e2 230 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
609574eb 231 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
5b77a1f3 232 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
3bb30a7c 233 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
033efa92 234 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
fa2f1394 235 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
0d0cef61 236 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
d9f51b51 237
e9036e33
CYC		 238 /* Atheros AR5BBU12 with sflash firmware */
239 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
240
85d59726 241 /* Atheros AR5BBU12 with sflash firmware */
bc21fde2 242 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
0b880062 243 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
85d59726 244
3267c884 245 /* QCA ROME chipset */
2054111b 246 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
c9e44474
MH		 247 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
248 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
3267c884 249
cfeb4145 250 /* Broadcom BCM2035 */
7a9d4020 251 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
0b880062
AS		 252 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
253 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 254
255 /* Broadcom BCM2045 */
7a9d4020
MH		 256 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
257 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
bdbef3d6 258
cfeb4145 259 /* IBM/Lenovo ThinkPad with Broadcom chip */
7a9d4020
MH		 260 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
261 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 262
263 /* HP laptop with Broadcom chip */
7a9d4020 264 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 265
266 /* Dell laptop with Broadcom chip */
7a9d4020 267 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 268
5ddd4a60 269 /* Dell Wireless 370 and 410 devices */
7a9d4020 270 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
5ddd4a60 271 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 272
7a9d4020
MH		 273 /* Belkin F8T012 and F8T013 devices */
274 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
275 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 276
5ddd4a60
MH		 277 /* Asus WL-BTD202 device */
278 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
279
280 /* Kensington Bluetooth USB adapter */
281 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
282
cfeb4145
MH		 283 /* RTX Telecom based adapters with buggy SCO support */
284 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
285 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
286
287 /* CONWISE Technology based adapters with buggy SCO support */
288 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
289
4fcef8ed 290 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
2eeac871 291 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
4fcef8ed 292
cfeb4145
MH		 293 /* Digianswer devices */
294 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
295 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
296
297 /* CSR BlueCore Bluetooth Sniffer */
4f64fa80
MH		 298 { USB_DEVICE(0x0a12, 0x0002),
299 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145
MH		 300
301 /* Frontline ComProbe Bluetooth Sniffer */
4f64fa80
MH		 302 { USB_DEVICE(0x16d3, 0x0002),
303 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145 304
cb1ee89f
MH		 305 /* Marvell Bluetooth devices */
306 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
307 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
308
d0ac9eb7 309 /* Intel Bluetooth devices */
407550fe 310 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
dffd30ee 311 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
ef4e5e4a 312 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
cda0dd78 313 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
dffd30ee 314
d0ac9eb7
MH		 315 /* Other Intel Bluetooth devices */
316 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
317 .driver_info = BTUSB_IGNORE },
ae8df494 318
a2698a9b
DD		 319 /* Realtek Bluetooth devices */
320 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
321 .driver_info = BTUSB_REALTEK },
322
323 /* Additional Realtek 8723AE Bluetooth devices */
324 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
325 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
326
327 /* Additional Realtek 8723BE Bluetooth devices */
328 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
329 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
330 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
331 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
332 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
333
334 /* Additional Realtek 8821AE Bluetooth devices */
335 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
336 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
337 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
338 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
339 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
340
4481c076
PP		 341 /* Silicon Wave based devices */
342 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
343
5e23b923
MH		 344 { } /* Terminating entry */
345};
346
9bfa35fe
MH		 347#define BTUSB_MAX_ISOC_FRAMES 10
348
5e23b923
MH		 349#define BTUSB_INTR_RUNNING 0
350#define BTUSB_BULK_RUNNING 1
9bfa35fe 351#define BTUSB_ISOC_RUNNING 2
7bee549e 352#define BTUSB_SUSPENDING 3
08b8b6c4 353#define BTUSB_DID_ISO_RESUME 4
cda0dd78
MH		 354#define BTUSB_BOOTLOADER 5
355#define BTUSB_DOWNLOADING 6
ce6bb929 356#define BTUSB_FIRMWARE_LOADED 7
cda0dd78 357#define BTUSB_FIRMWARE_FAILED 8
ce6bb929 358#define BTUSB_BOOTING 9
04b8c814 359#define BTUSB_RESET_RESUME 10
9d08f504 360#define BTUSB_DIAG_RUNNING 11
5e23b923
MH		 361
362struct btusb_data {
363 struct hci_dev *hdev;
364 struct usb_device *udev;
5fbcd260 365 struct usb_interface *intf;
9bfa35fe 366 struct usb_interface *isoc;
9d08f504 367 struct usb_interface *diag;
5e23b923 368
5e23b923
MH		 369 unsigned long flags;
370
371 struct work_struct work;
7bee549e 372 struct work_struct waker;
5e23b923 373
803b5836 374 struct usb_anchor deferred;
5e23b923 375 struct usb_anchor tx_anchor;
803b5836
MH		 376 int tx_in_flight;
377 spinlock_t txlock;
378
5e23b923
MH		 379 struct usb_anchor intr_anchor;
380 struct usb_anchor bulk_anchor;
9bfa35fe 381 struct usb_anchor isoc_anchor;
9d08f504 382 struct usb_anchor diag_anchor;
803b5836
MH		 383 spinlock_t rxlock;
384
385 struct sk_buff *evt_skb;
386 struct sk_buff *acl_skb;
387 struct sk_buff *sco_skb;
5e23b923
MH		 388
389 struct usb_endpoint_descriptor *intr_ep;
390 struct usb_endpoint_descriptor *bulk_tx_ep;
391 struct usb_endpoint_descriptor *bulk_rx_ep;
9bfa35fe
MH		 392 struct usb_endpoint_descriptor *isoc_tx_ep;
393 struct usb_endpoint_descriptor *isoc_rx_ep;
9d08f504
MH		 394 struct usb_endpoint_descriptor *diag_tx_ep;
395 struct usb_endpoint_descriptor *diag_rx_ep;
9bfa35fe 396
7a9d4020 397 __u8 cmdreq_type;
893ba544 398 __u8 cmdreq;
7a9d4020 399
43c2e57f 400 unsigned int sco_num;
9bfa35fe 401 int isoc_altsetting;
6a88adf2 402 int suspend_count;
2cbd3f5c 403
97307f51 404 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
2cbd3f5c 405 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
ace31982
KBYT		 406
407 int (*setup_on_usb)(struct hci_dev *hdev);
5e23b923
MH		 408};
409
803b5836
MH		 410static inline void btusb_free_frags(struct btusb_data *data)
411{
412 unsigned long flags;
413
414 spin_lock_irqsave(&data->rxlock, flags);
415
416 kfree_skb(data->evt_skb);
417 data->evt_skb = NULL;
418
419 kfree_skb(data->acl_skb);
420 data->acl_skb = NULL;
421
422 kfree_skb(data->sco_skb);
423 data->sco_skb = NULL;
424
425 spin_unlock_irqrestore(&data->rxlock, flags);
426}
427
1ffa4ad0
MH		 428static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
429{
803b5836
MH		 430 struct sk_buff *skb;
431 int err = 0;
432
433 spin_lock(&data->rxlock);
434 skb = data->evt_skb;
435
436 while (count) {
437 int len;
438
439 if (!skb) {
440 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
441 if (!skb) {
442 err = -ENOMEM;
443 break;
444 }
445
618e8bc2
MH		 446 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
447 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
803b5836
MH		 448 }
449
618e8bc2 450 len = min_t(uint, hci_skb_expect(skb), count);
803b5836
MH		 451 memcpy(skb_put(skb, len), buffer, len);
452
453 count -= len;
454 buffer += len;
618e8bc2 455 hci_skb_expect(skb) -= len;
803b5836
MH		 456
457 if (skb->len == HCI_EVENT_HDR_SIZE) {
458 /* Complete event header */
618e8bc2 459 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
803b5836 460
618e8bc2 461 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 462 kfree_skb(skb);
463 skb = NULL;
464
465 err = -EILSEQ;
466 break;
467 }
468 }
469
618e8bc2 470 if (!hci_skb_expect(skb)) {
803b5836 471 /* Complete frame */
97307f51 472 data->recv_event(data->hdev, skb);
803b5836
MH		 473 skb = NULL;
474 }
475 }
476
477 data->evt_skb = skb;
478 spin_unlock(&data->rxlock);
479
480 return err;
1ffa4ad0
MH		 481}
482
483static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
484{
803b5836
MH		 485 struct sk_buff *skb;
486 int err = 0;
487
488 spin_lock(&data->rxlock);
489 skb = data->acl_skb;
490
491 while (count) {
492 int len;
493
494 if (!skb) {
495 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
496 if (!skb) {
497 err = -ENOMEM;
498 break;
499 }
500
618e8bc2
MH		 501 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
502 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
803b5836
MH		 503 }
504
618e8bc2 505 len = min_t(uint, hci_skb_expect(skb), count);
803b5836
MH		 506 memcpy(skb_put(skb, len), buffer, len);
507
508 count -= len;
509 buffer += len;
618e8bc2 510 hci_skb_expect(skb) -= len;
803b5836
MH		 511
512 if (skb->len == HCI_ACL_HDR_SIZE) {
513 __le16 dlen = hci_acl_hdr(skb)->dlen;
514
515 /* Complete ACL header */
618e8bc2 516 hci_skb_expect(skb) = __le16_to_cpu(dlen);
803b5836 517
618e8bc2 518 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 519 kfree_skb(skb);
520 skb = NULL;
521
522 err = -EILSEQ;
523 break;
524 }
525 }
526
618e8bc2 527 if (!hci_skb_expect(skb)) {
803b5836
MH		 528 /* Complete frame */
529 hci_recv_frame(data->hdev, skb);
530 skb = NULL;
531 }
532 }
533
534 data->acl_skb = skb;
535 spin_unlock(&data->rxlock);
536
537 return err;
1ffa4ad0
MH		 538}
539
540static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
541{
803b5836
MH		 542 struct sk_buff *skb;
543 int err = 0;
544
545 spin_lock(&data->rxlock);
546 skb = data->sco_skb;
547
548 while (count) {
549 int len;
550
551 if (!skb) {
552 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
553 if (!skb) {
554 err = -ENOMEM;
555 break;
556 }
557
618e8bc2
MH		 558 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
559 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
803b5836
MH		 560 }
561
618e8bc2 562 len = min_t(uint, hci_skb_expect(skb), count);
803b5836
MH		 563 memcpy(skb_put(skb, len), buffer, len);
564
565 count -= len;
566 buffer += len;
618e8bc2 567 hci_skb_expect(skb) -= len;
803b5836
MH		 568
569 if (skb->len == HCI_SCO_HDR_SIZE) {
570 /* Complete SCO header */
618e8bc2 571 hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
803b5836 572
618e8bc2 573 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 574 kfree_skb(skb);
575 skb = NULL;
576
577 err = -EILSEQ;
578 break;
579 }
580 }
581
618e8bc2 582 if (!hci_skb_expect(skb)) {
803b5836
MH		 583 /* Complete frame */
584 hci_recv_frame(data->hdev, skb);
585 skb = NULL;
586 }
587 }
588
589 data->sco_skb = skb;
590 spin_unlock(&data->rxlock);
591
592 return err;
1ffa4ad0
MH		 593}
594
5e23b923
MH		 595static void btusb_intr_complete(struct urb *urb)
596{
597 struct hci_dev *hdev = urb->context;
155961e8 598 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 599 int err;
600
89e7533d
MH		 601 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
602 urb->actual_length);
5e23b923
MH		 603
604 if (!test_bit(HCI_RUNNING, &hdev->flags))
605 return;
606
607 if (urb->status == 0) {
9bfa35fe
MH		 608 hdev->stat.byte_rx += urb->actual_length;
609
1ffa4ad0
MH		 610 if (btusb_recv_intr(data, urb->transfer_buffer,
611 urb->actual_length) < 0) {
5e23b923
MH		 612 BT_ERR("%s corrupted event packet", hdev->name);
613 hdev->stat.err_rx++;
614 }
85560c4a
CC		 615 } else if (urb->status == -ENOENT) {
616 /* Avoid suspend failed when usb_kill_urb */
617 return;
5e23b923
MH		 618 }
619
620 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
621 return;
622
7bee549e 623 usb_mark_last_busy(data->udev);
5e23b923
MH		 624 usb_anchor_urb(urb, &data->intr_anchor);
625
626 err = usb_submit_urb(urb, GFP_ATOMIC);
627 if (err < 0) {
4935f1c1
PB		 628 /* -EPERM: urb is being killed;
629 * -ENODEV: device got disconnected */
630 if (err != -EPERM && err != -ENODEV)
61faddf6 631 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 632 hdev->name, urb, -err);
5e23b923
MH		 633 usb_unanchor_urb(urb);
634 }
635}
636
2eda66f4 637static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 638{
155961e8 639 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 640 struct urb *urb;
641 unsigned char *buf;
642 unsigned int pipe;
643 int err, size;
644
645 BT_DBG("%s", hdev->name);
646
9bfa35fe
MH		 647 if (!data->intr_ep)
648 return -ENODEV;
649
2eda66f4 650 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 651 if (!urb)
652 return -ENOMEM;
653
654 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
655
2eda66f4 656 buf = kmalloc(size, mem_flags);
5e23b923
MH		 657 if (!buf) {
658 usb_free_urb(urb);
659 return -ENOMEM;
660 }
661
662 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
663
664 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
89e7533d 665 btusb_intr_complete, hdev, data->intr_ep->bInterval);
5e23b923
MH		 666
667 urb->transfer_flags |= URB_FREE_BUFFER;
668
669 usb_anchor_urb(urb, &data->intr_anchor);
670
2eda66f4 671 err = usb_submit_urb(urb, mem_flags);
5e23b923 672 if (err < 0) {
d4b8d1c9
PB		 673 if (err != -EPERM && err != -ENODEV)
674 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 675 hdev->name, urb, -err);
5e23b923 676 usb_unanchor_urb(urb);
5e23b923
MH		 677 }
678
679 usb_free_urb(urb);
680
681 return err;
682}
683
684static void btusb_bulk_complete(struct urb *urb)
685{
686 struct hci_dev *hdev = urb->context;
155961e8 687 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 688 int err;
689
89e7533d
MH		 690 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
691 urb->actual_length);
5e23b923
MH		 692
693 if (!test_bit(HCI_RUNNING, &hdev->flags))
694 return;
695
696 if (urb->status == 0) {
9bfa35fe
MH		 697 hdev->stat.byte_rx += urb->actual_length;
698
2cbd3f5c 699 if (data->recv_bulk(data, urb->transfer_buffer,
1ffa4ad0 700 urb->actual_length) < 0) {
5e23b923
MH		 701 BT_ERR("%s corrupted ACL packet", hdev->name);
702 hdev->stat.err_rx++;
703 }
85560c4a
CC		 704 } else if (urb->status == -ENOENT) {
705 /* Avoid suspend failed when usb_kill_urb */
706 return;
5e23b923
MH		 707 }
708
709 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
710 return;
711
712 usb_anchor_urb(urb, &data->bulk_anchor);
652fd781 713 usb_mark_last_busy(data->udev);
5e23b923
MH		 714
715 err = usb_submit_urb(urb, GFP_ATOMIC);
716 if (err < 0) {
4935f1c1
PB		 717 /* -EPERM: urb is being killed;
718 * -ENODEV: device got disconnected */
719 if (err != -EPERM && err != -ENODEV)
61faddf6 720 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 721 hdev->name, urb, -err);
5e23b923
MH		 722 usb_unanchor_urb(urb);
723 }
724}
725
2eda66f4 726static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 727{
155961e8 728 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 729 struct urb *urb;
730 unsigned char *buf;
731 unsigned int pipe;
290ba200 732 int err, size = HCI_MAX_FRAME_SIZE;
5e23b923
MH		 733
734 BT_DBG("%s", hdev->name);
735
9bfa35fe
MH		 736 if (!data->bulk_rx_ep)
737 return -ENODEV;
738
2eda66f4 739 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 740 if (!urb)
741 return -ENOMEM;
742
2eda66f4 743 buf = kmalloc(size, mem_flags);
5e23b923
MH		 744 if (!buf) {
745 usb_free_urb(urb);
746 return -ENOMEM;
747 }
748
749 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
750
89e7533d
MH		 751 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
752 btusb_bulk_complete, hdev);
5e23b923
MH		 753
754 urb->transfer_flags |= URB_FREE_BUFFER;
755
7bee549e 756 usb_mark_last_busy(data->udev);
5e23b923
MH		 757 usb_anchor_urb(urb, &data->bulk_anchor);
758
2eda66f4 759 err = usb_submit_urb(urb, mem_flags);
5e23b923 760 if (err < 0) {
d4b8d1c9
PB		 761 if (err != -EPERM && err != -ENODEV)
762 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 763 hdev->name, urb, -err);
5e23b923 764 usb_unanchor_urb(urb);
5e23b923
MH		 765 }
766
767 usb_free_urb(urb);
768
769 return err;
770}
771
9bfa35fe
MH		 772static void btusb_isoc_complete(struct urb *urb)
773{
774 struct hci_dev *hdev = urb->context;
155961e8 775 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 776 int i, err;
777
89e7533d
MH		 778 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
779 urb->actual_length);
9bfa35fe
MH		 780
781 if (!test_bit(HCI_RUNNING, &hdev->flags))
782 return;
783
784 if (urb->status == 0) {
785 for (i = 0; i < urb->number_of_packets; i++) {
786 unsigned int offset = urb->iso_frame_desc[i].offset;
787 unsigned int length = urb->iso_frame_desc[i].actual_length;
788
789 if (urb->iso_frame_desc[i].status)
790 continue;
791
792 hdev->stat.byte_rx += length;
793
1ffa4ad0
MH		 794 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
795 length) < 0) {
9bfa35fe
MH		 796 BT_ERR("%s corrupted SCO packet", hdev->name);
797 hdev->stat.err_rx++;
798 }
799 }
85560c4a
CC		 800 } else if (urb->status == -ENOENT) {
801 /* Avoid suspend failed when usb_kill_urb */
802 return;
9bfa35fe
MH		 803 }
804
805 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
806 return;
807
808 usb_anchor_urb(urb, &data->isoc_anchor);
809
810 err = usb_submit_urb(urb, GFP_ATOMIC);
811 if (err < 0) {
4935f1c1
PB		 812 /* -EPERM: urb is being killed;
813 * -ENODEV: device got disconnected */
814 if (err != -EPERM && err != -ENODEV)
61faddf6 815 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 816 hdev->name, urb, -err);
9bfa35fe
MH		 817 usb_unanchor_urb(urb);
818 }
819}
820
42b16b3f 821static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
9bfa35fe
MH		 822{
823 int i, offset = 0;
824
825 BT_DBG("len %d mtu %d", len, mtu);
826
827 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
828 i++, offset += mtu, len -= mtu) {
829 urb->iso_frame_desc[i].offset = offset;
830 urb->iso_frame_desc[i].length = mtu;
831 }
832
833 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
834 urb->iso_frame_desc[i].offset = offset;
835 urb->iso_frame_desc[i].length = len;
836 i++;
837 }
838
839 urb->number_of_packets = i;
840}
841
2eda66f4 842static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
9bfa35fe 843{
155961e8 844 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 845 struct urb *urb;
846 unsigned char *buf;
847 unsigned int pipe;
848 int err, size;
849
850 BT_DBG("%s", hdev->name);
851
852 if (!data->isoc_rx_ep)
853 return -ENODEV;
854
2eda66f4 855 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
9bfa35fe
MH		 856 if (!urb)
857 return -ENOMEM;
858
859 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
860 BTUSB_MAX_ISOC_FRAMES;
861
2eda66f4 862 buf = kmalloc(size, mem_flags);
9bfa35fe
MH		 863 if (!buf) {
864 usb_free_urb(urb);
865 return -ENOMEM;
866 }
867
868 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
869
fa0fb93f 870 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
89e7533d 871 hdev, data->isoc_rx_ep->bInterval);
9bfa35fe 872
89e7533d 873 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
9bfa35fe
MH		 874
875 __fill_isoc_descriptor(urb, size,
89e7533d 876 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
9bfa35fe
MH		 877
878 usb_anchor_urb(urb, &data->isoc_anchor);
879
2eda66f4 880 err = usb_submit_urb(urb, mem_flags);
9bfa35fe 881 if (err < 0) {
d4b8d1c9
PB		 882 if (err != -EPERM && err != -ENODEV)
883 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 884 hdev->name, urb, -err);
9bfa35fe 885 usb_unanchor_urb(urb);
9bfa35fe
MH		 886 }
887
888 usb_free_urb(urb);
889
890 return err;
891}
892
9d08f504
MH		 893static void btusb_diag_complete(struct urb *urb)
894{
895 struct hci_dev *hdev = urb->context;
896 struct btusb_data *data = hci_get_drvdata(hdev);
897 int err;
898
899 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
900 urb->actual_length);
901
902 if (urb->status == 0) {
903 struct sk_buff *skb;
904
905 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
906 if (skb) {
907 memcpy(skb_put(skb, urb->actual_length),
908 urb->transfer_buffer, urb->actual_length);
909 hci_recv_diag(hdev, skb);
910 }
911 } else if (urb->status == -ENOENT) {
912 /* Avoid suspend failed when usb_kill_urb */
913 return;
914 }
915
916 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
917 return;
918
919 usb_anchor_urb(urb, &data->diag_anchor);
920 usb_mark_last_busy(data->udev);
921
922 err = usb_submit_urb(urb, GFP_ATOMIC);
923 if (err < 0) {
924 /* -EPERM: urb is being killed;
925 * -ENODEV: device got disconnected */
926 if (err != -EPERM && err != -ENODEV)
927 BT_ERR("%s urb %p failed to resubmit (%d)",
928 hdev->name, urb, -err);
929 usb_unanchor_urb(urb);
930 }
931}
932
933static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
934{
935 struct btusb_data *data = hci_get_drvdata(hdev);
936 struct urb *urb;
937 unsigned char *buf;
938 unsigned int pipe;
939 int err, size = HCI_MAX_FRAME_SIZE;
940
941 BT_DBG("%s", hdev->name);
942
943 if (!data->diag_rx_ep)
944 return -ENODEV;
945
946 urb = usb_alloc_urb(0, mem_flags);
947 if (!urb)
948 return -ENOMEM;
949
950 buf = kmalloc(size, mem_flags);
951 if (!buf) {
952 usb_free_urb(urb);
953 return -ENOMEM;
954 }
955
956 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
957
958 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
959 btusb_diag_complete, hdev);
960
961 urb->transfer_flags |= URB_FREE_BUFFER;
962
963 usb_mark_last_busy(data->udev);
964 usb_anchor_urb(urb, &data->diag_anchor);
965
966 err = usb_submit_urb(urb, mem_flags);
967 if (err < 0) {
968 if (err != -EPERM && err != -ENODEV)
969 BT_ERR("%s urb %p submission failed (%d)",
970 hdev->name, urb, -err);
971 usb_unanchor_urb(urb);
972 }
973
974 usb_free_urb(urb);
975
976 return err;
977}
978
5e23b923 979static void btusb_tx_complete(struct urb *urb)
7bee549e
ON		 980{
981 struct sk_buff *skb = urb->context;
89e7533d 982 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
155961e8 983 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 984
89e7533d
MH		 985 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
986 urb->actual_length);
7bee549e
ON		 987
988 if (!test_bit(HCI_RUNNING, &hdev->flags))
989 goto done;
990
991 if (!urb->status)
992 hdev->stat.byte_tx += urb->transfer_buffer_length;
993 else
994 hdev->stat.err_tx++;
995
996done:
997 spin_lock(&data->txlock);
998 data->tx_in_flight--;
999 spin_unlock(&data->txlock);
1000
1001 kfree(urb->setup_packet);
1002
1003 kfree_skb(skb);
1004}
1005
1006static void btusb_isoc_tx_complete(struct urb *urb)
5e23b923
MH		 1007{
1008 struct sk_buff *skb = urb->context;
89e7533d 1009 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
5e23b923 1010
89e7533d
MH		 1011 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1012 urb->actual_length);
5e23b923
MH		 1013
1014 if (!test_bit(HCI_RUNNING, &hdev->flags))
1015 goto done;
1016
1017 if (!urb->status)
1018 hdev->stat.byte_tx += urb->transfer_buffer_length;
1019 else
1020 hdev->stat.err_tx++;
1021
1022done:
1023 kfree(urb->setup_packet);
1024
1025 kfree_skb(skb);
1026}
1027
1028static int btusb_open(struct hci_dev *hdev)
1029{
155961e8 1030 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1031 int err;
1032
1033 BT_DBG("%s", hdev->name);
1034
ace31982
KBYT		 1035 /* Patching USB firmware files prior to starting any URBs of HCI path
1036 * It is more safe to use USB bulk channel for downloading USB patch
1037 */
1038 if (data->setup_on_usb) {
1039 err = data->setup_on_usb(hdev);
eb50042f 1040 if (err < 0)
ace31982
KBYT		 1041 return err;
1042 }
1043
7bee549e
ON		 1044 err = usb_autopm_get_interface(data->intf);
1045 if (err < 0)
1046 return err;
1047
1048 data->intf->needs_remote_wakeup = 1;
1049
5e23b923 1050 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
7bee549e 1051 goto done;
5e23b923 1052
2eda66f4 1053 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
43c2e57f
MH		 1054 if (err < 0)
1055 goto failed;
1056
1057 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
5e23b923 1058 if (err < 0) {
43c2e57f
MH		 1059 usb_kill_anchored_urbs(&data->intr_anchor);
1060 goto failed;
5e23b923
MH		 1061 }
1062
43c2e57f
MH		 1063 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1064 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1065
9d08f504
MH		 1066 if (data->diag) {
1067 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1068 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1069 }
1070
7bee549e
ON		 1071done:
1072 usb_autopm_put_interface(data->intf);
43c2e57f
MH		 1073 return 0;
1074
1075failed:
1076 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 1077 usb_autopm_put_interface(data->intf);
5e23b923
MH		 1078 return err;
1079}
1080
7bee549e
ON		 1081static void btusb_stop_traffic(struct btusb_data *data)
1082{
1083 usb_kill_anchored_urbs(&data->intr_anchor);
1084 usb_kill_anchored_urbs(&data->bulk_anchor);
1085 usb_kill_anchored_urbs(&data->isoc_anchor);
9d08f504 1086 usb_kill_anchored_urbs(&data->diag_anchor);
7bee549e
ON		 1087}
1088
5e23b923
MH		 1089static int btusb_close(struct hci_dev *hdev)
1090{
155961e8 1091 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 1092 int err;
5e23b923
MH		 1093
1094 BT_DBG("%s", hdev->name);
1095
e8c3c3d2 1096 cancel_work_sync(&data->work);
404291ac 1097 cancel_work_sync(&data->waker);
e8c3c3d2 1098
9bfa35fe 1099 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
5e23b923 1100 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
5e23b923 1101 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
9d08f504 1102 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
7bee549e
ON		 1103
1104 btusb_stop_traffic(data);
803b5836
MH		 1105 btusb_free_frags(data);
1106
7bee549e
ON		 1107 err = usb_autopm_get_interface(data->intf);
1108 if (err < 0)
7b8e2c1d 1109 goto failed;
7bee549e
ON		 1110
1111 data->intf->needs_remote_wakeup = 0;
1112 usb_autopm_put_interface(data->intf);
5e23b923 1113
7b8e2c1d
ON		 1114failed:
1115 usb_scuttle_anchored_urbs(&data->deferred);
5e23b923
MH		 1116 return 0;
1117}
1118
1119static int btusb_flush(struct hci_dev *hdev)
1120{
155961e8 1121 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1122
1123 BT_DBG("%s", hdev->name);
1124
1125 usb_kill_anchored_urbs(&data->tx_anchor);
803b5836 1126 btusb_free_frags(data);
5e23b923
MH		 1127
1128 return 0;
1129}
1130
047b2ec8 1131static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
5e23b923 1132{
155961e8 1133 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1134 struct usb_ctrlrequest *dr;
1135 struct urb *urb;
1136 unsigned int pipe;
5e23b923 1137
047b2ec8
MH		 1138 urb = usb_alloc_urb(0, GFP_KERNEL);
1139 if (!urb)
1140 return ERR_PTR(-ENOMEM);
5e23b923 1141
047b2ec8
MH		 1142 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1143 if (!dr) {
1144 usb_free_urb(urb);
1145 return ERR_PTR(-ENOMEM);
1146 }
5e23b923 1147
047b2ec8 1148 dr->bRequestType = data->cmdreq_type;
893ba544 1149 dr->bRequest = data->cmdreq;
047b2ec8
MH		 1150 dr->wIndex = 0;
1151 dr->wValue = 0;
1152 dr->wLength = __cpu_to_le16(skb->len);
7bd8f09f 1153
047b2ec8 1154 pipe = usb_sndctrlpipe(data->udev, 0x00);
5e23b923 1155
89e7533d 1156 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
047b2ec8 1157 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1158
89e7533d 1159 skb->dev = (void *)hdev;
5e23b923 1160
047b2ec8
MH		 1161 return urb;
1162}
5e23b923 1163
047b2ec8
MH		 1164static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1165{
1166 struct btusb_data *data = hci_get_drvdata(hdev);
1167 struct urb *urb;
1168 unsigned int pipe;
5e23b923 1169
047b2ec8
MH		 1170 if (!data->bulk_tx_ep)
1171 return ERR_PTR(-ENODEV);
9bfa35fe 1172
047b2ec8
MH		 1173 urb = usb_alloc_urb(0, GFP_KERNEL);
1174 if (!urb)
1175 return ERR_PTR(-ENOMEM);
5e23b923 1176
047b2ec8 1177 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
5e23b923 1178
047b2ec8
MH		 1179 usb_fill_bulk_urb(urb, data->udev, pipe,
1180 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1181
89e7533d 1182 skb->dev = (void *)hdev;
5e23b923 1183
047b2ec8
MH		 1184 return urb;
1185}
9bfa35fe 1186
047b2ec8
MH		 1187static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1188{
1189 struct btusb_data *data = hci_get_drvdata(hdev);
1190 struct urb *urb;
1191 unsigned int pipe;
9bfa35fe 1192
047b2ec8
MH		 1193 if (!data->isoc_tx_ep)
1194 return ERR_PTR(-ENODEV);
9bfa35fe 1195
047b2ec8
MH		 1196 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1197 if (!urb)
1198 return ERR_PTR(-ENOMEM);
9bfa35fe 1199
047b2ec8 1200 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
9bfa35fe 1201
047b2ec8
MH		 1202 usb_fill_int_urb(urb, data->udev, pipe,
1203 skb->data, skb->len, btusb_isoc_tx_complete,
1204 skb, data->isoc_tx_ep->bInterval);
9bfa35fe 1205
047b2ec8 1206 urb->transfer_flags = URB_ISO_ASAP;
5e23b923 1207
047b2ec8
MH		 1208 __fill_isoc_descriptor(urb, skb->len,
1209 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
5e23b923 1210
89e7533d 1211 skb->dev = (void *)hdev;
047b2ec8
MH		 1212
1213 return urb;
1214}
1215
1216static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1217{
1218 struct btusb_data *data = hci_get_drvdata(hdev);
1219 int err;
7bee549e 1220
5e23b923
MH		 1221 usb_anchor_urb(urb, &data->tx_anchor);
1222
e9753eff 1223 err = usb_submit_urb(urb, GFP_KERNEL);
5e23b923 1224 if (err < 0) {
5a9b80e2
PB		 1225 if (err != -EPERM && err != -ENODEV)
1226 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 1227 hdev->name, urb, -err);
5e23b923
MH		 1228 kfree(urb->setup_packet);
1229 usb_unanchor_urb(urb);
7bee549e
ON		 1230 } else {
1231 usb_mark_last_busy(data->udev);
5e23b923
MH		 1232 }
1233
54a8a79c 1234 usb_free_urb(urb);
5e23b923
MH		 1235 return err;
1236}
1237
047b2ec8
MH		 1238static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1239{
1240 struct btusb_data *data = hci_get_drvdata(hdev);
1241 unsigned long flags;
1242 bool suspending;
1243
1244 spin_lock_irqsave(&data->txlock, flags);
1245 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1246 if (!suspending)
1247 data->tx_in_flight++;
1248 spin_unlock_irqrestore(&data->txlock, flags);
1249
1250 if (!suspending)
1251 return submit_tx_urb(hdev, urb);
1252
1253 usb_anchor_urb(urb, &data->deferred);
1254 schedule_work(&data->waker);
1255
1256 usb_free_urb(urb);
1257 return 0;
1258}
1259
1260static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1261{
1262 struct urb *urb;
1263
1264 BT_DBG("%s", hdev->name);
1265
618e8bc2 1266 switch (hci_skb_pkt_type(skb)) {
047b2ec8
MH		 1267 case HCI_COMMAND_PKT:
1268 urb = alloc_ctrl_urb(hdev, skb);
1269 if (IS_ERR(urb))
1270 return PTR_ERR(urb);
1271
1272 hdev->stat.cmd_tx++;
1273 return submit_or_queue_tx_urb(hdev, urb);
1274
1275 case HCI_ACLDATA_PKT:
1276 urb = alloc_bulk_urb(hdev, skb);
1277 if (IS_ERR(urb))
1278 return PTR_ERR(urb);
1279
1280 hdev->stat.acl_tx++;
1281 return submit_or_queue_tx_urb(hdev, urb);
1282
1283 case HCI_SCODATA_PKT:
1284 if (hci_conn_num(hdev, SCO_LINK) < 1)
1285 return -ENODEV;
1286
1287 urb = alloc_isoc_urb(hdev, skb);
1288 if (IS_ERR(urb))
1289 return PTR_ERR(urb);
1290
1291 hdev->stat.sco_tx++;
1292 return submit_tx_urb(hdev, urb);
1293 }
1294
1295 return -EILSEQ;
1296}
1297
5e23b923
MH		 1298static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1299{
155961e8 1300 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1301
1302 BT_DBG("%s evt %d", hdev->name, evt);
1303
014f7bc7
MH		 1304 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1305 data->sco_num = hci_conn_num(hdev, SCO_LINK);
43c2e57f 1306 schedule_work(&data->work);
a780efa8 1307 }
5e23b923
MH		 1308}
1309
42b16b3f 1310static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
9bfa35fe 1311{
155961e8 1312 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 1313 struct usb_interface *intf = data->isoc;
1314 struct usb_endpoint_descriptor *ep_desc;
1315 int i, err;
1316
1317 if (!data->isoc)
1318 return -ENODEV;
1319
1320 err = usb_set_interface(data->udev, 1, altsetting);
1321 if (err < 0) {
1322 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
1323 return err;
1324 }
1325
1326 data->isoc_altsetting = altsetting;
1327
1328 data->isoc_tx_ep = NULL;
1329 data->isoc_rx_ep = NULL;
1330
1331 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1332 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1333
1334 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1335 data->isoc_tx_ep = ep_desc;
1336 continue;
1337 }
1338
1339 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1340 data->isoc_rx_ep = ep_desc;
1341 continue;
1342 }
1343 }
1344
1345 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
1346 BT_ERR("%s invalid SCO descriptors", hdev->name);
1347 return -ENODEV;
1348 }
1349
1350 return 0;
1351}
1352
5e23b923
MH		 1353static void btusb_work(struct work_struct *work)
1354{
1355 struct btusb_data *data = container_of(work, struct btusb_data, work);
1356 struct hci_dev *hdev = data->hdev;
f4001d28 1357 int new_alts;
7bee549e 1358 int err;
5e23b923 1359
014f7bc7 1360 if (data->sco_num > 0) {
08b8b6c4 1361 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
8efdd0cd 1362 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
7bee549e
ON		 1363 if (err < 0) {
1364 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1365 usb_kill_anchored_urbs(&data->isoc_anchor);
1366 return;
1367 }
1368
08b8b6c4 1369 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
7bee549e 1370 }
f4001d28
MA		 1371
1372 if (hdev->voice_setting & 0x0020) {
1373 static const int alts[3] = { 2, 4, 5 };
89e7533d 1374
014f7bc7 1375 new_alts = alts[data->sco_num - 1];
f4001d28 1376 } else {
014f7bc7 1377 new_alts = data->sco_num;
f4001d28
MA		 1378 }
1379
1380 if (data->isoc_altsetting != new_alts) {
f6fc86f2
KP		 1381 unsigned long flags;
1382
9bfa35fe
MH		 1383 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1384 usb_kill_anchored_urbs(&data->isoc_anchor);
1385
8f9d02f4
KP		 1386 /* When isochronous alternate setting needs to be
1387 * changed, because SCO connection has been added
1388 * or removed, a packet fragment may be left in the
1389 * reassembling state. This could lead to wrongly
1390 * assembled fragments.
1391 *
1392 * Clear outstanding fragment when selecting a new
1393 * alternate setting.
1394 */
f6fc86f2 1395 spin_lock_irqsave(&data->rxlock, flags);
8f9d02f4
KP		 1396 kfree_skb(data->sco_skb);
1397 data->sco_skb = NULL;
f6fc86f2 1398 spin_unlock_irqrestore(&data->rxlock, flags);
8f9d02f4 1399
f4001d28 1400 if (__set_isoc_interface(hdev, new_alts) < 0)
9bfa35fe
MH		 1401 return;
1402 }
1403
1404 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2eda66f4 1405 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
9bfa35fe
MH		 1406 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1407 else
2eda66f4 1408 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
9bfa35fe
MH		 1409 }
1410 } else {
1411 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1412 usb_kill_anchored_urbs(&data->isoc_anchor);
1413
1414 __set_isoc_interface(hdev, 0);
08b8b6c4 1415 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
8efdd0cd 1416 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
5e23b923
MH		 1417 }
1418}
1419
7bee549e
ON		 1420static void btusb_waker(struct work_struct *work)
1421{
1422 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1423 int err;
1424
1425 err = usb_autopm_get_interface(data->intf);
1426 if (err < 0)
1427 return;
1428
1429 usb_autopm_put_interface(data->intf);
1430}
1431
9f8f962c
MH		 1432static int btusb_setup_bcm92035(struct hci_dev *hdev)
1433{
1434 struct sk_buff *skb;
1435 u8 val = 0x00;
1436
1437 BT_DBG("%s", hdev->name);
1438
1439 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1440 if (IS_ERR(skb))
1441 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
1442 else
1443 kfree_skb(skb);
1444
1445 return 0;
1446}
1447
81cac64b
MH		 1448static int btusb_setup_csr(struct hci_dev *hdev)
1449{
1450 struct hci_rp_read_local_version *rp;
1451 struct sk_buff *skb;
81cac64b
MH		 1452
1453 BT_DBG("%s", hdev->name);
1454
7cd84d72
MH		 1455 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1456 HCI_INIT_TIMEOUT);
1457 if (IS_ERR(skb)) {
1458 int err = PTR_ERR(skb);
1459 BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err);
1460 return err;
1461 }
1462
1463 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
1464 BT_ERR("%s: CSR: Local version length mismatch", hdev->name);
1465 kfree_skb(skb);
1466 return -EIO;
1467 }
81cac64b 1468
89e7533d 1469 rp = (struct hci_rp_read_local_version *)skb->data;
81cac64b 1470
6cafcd95
JH		 1471 /* Detect controllers which aren't real CSR ones. */
1472 if (le16_to_cpu(rp->manufacturer) != 10 ||
1473 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
9641d343
MH		 1474 /* Clear the reset quirk since this is not an actual
1475 * early Bluetooth 1.1 device from CSR.
1476 */
1477 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b 1478
9641d343
MH		 1479 /* These fake CSR controllers have all a broken
1480 * stored link key handling and so just disable it.
1481 */
1482 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
1483 }
81cac64b
MH		 1484
1485 kfree_skb(skb);
1486
9641d343 1487 return 0;
81cac64b
MH		 1488}
1489
dffd30ee 1490static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
89e7533d 1491 struct intel_version *ver)
dffd30ee
THJA		 1492{
1493 const struct firmware *fw;
1494 char fwname[64];
1495 int ret;
1496
1497 snprintf(fwname, sizeof(fwname),
1498 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1499 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1500 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1501 ver->fw_build_ww, ver->fw_build_yy);
1502
1503 ret = request_firmware(&fw, fwname, &hdev->dev);
1504 if (ret < 0) {
1505 if (ret == -EINVAL) {
1506 BT_ERR("%s Intel firmware file request failed (%d)",
1507 hdev->name, ret);
1508 return NULL;
1509 }
1510
1511 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1512 hdev->name, fwname, ret);
1513
1514 /* If the correct firmware patch file is not found, use the
1515 * default firmware patch file instead
1516 */
1517 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1518 ver->hw_platform, ver->hw_variant);
1519 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1520 BT_ERR("%s failed to open default Intel fw file: %s",
1521 hdev->name, fwname);
1522 return NULL;
1523 }
1524 }
1525
1526 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
1527
1528 return fw;
1529}
1530
1531static int btusb_setup_intel_patching(struct hci_dev *hdev,
1532 const struct firmware *fw,
1533 const u8 **fw_ptr, int *disable_patch)
1534{
1535 struct sk_buff *skb;
1536 struct hci_command_hdr *cmd;
1537 const u8 *cmd_param;
1538 struct hci_event_hdr *evt = NULL;
1539 const u8 *evt_param = NULL;
1540 int remain = fw->size - (*fw_ptr - fw->data);
1541
1542 /* The first byte indicates the types of the patch command or event.
1543 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1544 * in the current firmware buffer doesn't start with 0x01 or
1545 * the size of remain buffer is smaller than HCI command header,
1546 * the firmware file is corrupted and it should stop the patching
1547 * process.
1548 */
1549 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1550 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
1551 return -EINVAL;
1552 }
1553 (*fw_ptr)++;
1554 remain--;
1555
1556 cmd = (struct hci_command_hdr *)(*fw_ptr);
1557 *fw_ptr += sizeof(*cmd);
1558 remain -= sizeof(*cmd);
1559
1560 /* Ensure that the remain firmware data is long enough than the length
1561 * of command parameter. If not, the firmware file is corrupted.
1562 */
1563 if (remain < cmd->plen) {
1564 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
1565 return -EFAULT;
1566 }
1567
1568 /* If there is a command that loads a patch in the firmware
1569 * file, then enable the patch upon success, otherwise just
1570 * disable the manufacturer mode, for example patch activation
1571 * is not required when the default firmware patch file is used
1572 * because there are no patch data to load.
1573 */
1574 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1575 *disable_patch = 0;
1576
1577 cmd_param = *fw_ptr;
1578 *fw_ptr += cmd->plen;
1579 remain -= cmd->plen;
1580
1581 /* This reads the expected events when the above command is sent to the
1582 * device. Some vendor commands expects more than one events, for
1583 * example command status event followed by vendor specific event.
1584 * For this case, it only keeps the last expected event. so the command
1585 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1586 * last expected event.
1587 */
1588 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1589 (*fw_ptr)++;
1590 remain--;
1591
1592 evt = (struct hci_event_hdr *)(*fw_ptr);
1593 *fw_ptr += sizeof(*evt);
1594 remain -= sizeof(*evt);
1595
1596 if (remain < evt->plen) {
1597 BT_ERR("%s Intel fw corrupted: invalid evt len",
1598 hdev->name);
1599 return -EFAULT;
1600 }
1601
1602 evt_param = *fw_ptr;
1603 *fw_ptr += evt->plen;
1604 remain -= evt->plen;
1605 }
1606
1607 /* Every HCI commands in the firmware file has its correspond event.
1608 * If event is not found or remain is smaller than zero, the firmware
1609 * file is corrupted.
1610 */
1611 if (!evt || !evt_param || remain < 0) {
1612 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
1613 return -EFAULT;
1614 }
1615
1616 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1617 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1618 if (IS_ERR(skb)) {
1619 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1620 hdev->name, cmd->opcode, PTR_ERR(skb));
d9c78e97 1621 return PTR_ERR(skb);
dffd30ee
THJA		 1622 }
1623
1624 /* It ensures that the returned event matches the event data read from
1625 * the firmware file. At fist, it checks the length and then
1626 * the contents of the event.
1627 */
1628 if (skb->len != evt->plen) {
1629 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
1630 le16_to_cpu(cmd->opcode));
1631 kfree_skb(skb);
1632 return -EFAULT;
1633 }
1634
1635 if (memcmp(skb->data, evt_param, evt->plen)) {
1636 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1637 hdev->name, le16_to_cpu(cmd->opcode));
1638 kfree_skb(skb);
1639 return -EFAULT;
1640 }
1641 kfree_skb(skb);
1642
1643 return 0;
1644}
1645
1646static int btusb_setup_intel(struct hci_dev *hdev)
1647{
1648 struct sk_buff *skb;
1649 const struct firmware *fw;
1650 const u8 *fw_ptr;
28dc4b92 1651 int disable_patch, err;
6c483de1 1652 struct intel_version ver;
dffd30ee 1653
dffd30ee
THJA		 1654 BT_DBG("%s", hdev->name);
1655
1656 /* The controller has a bug with the first HCI command sent to it
1657 * returning number of completed commands as zero. This would stall the
1658 * command processing in the Bluetooth core.
1659 *
1660 * As a workaround, send HCI Reset command first which will reset the
1661 * number of completed commands and allow normal command processing
1662 * from now on.
1663 */
1664 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1665 if (IS_ERR(skb)) {
1666 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1667 hdev->name, PTR_ERR(skb));
d9c78e97 1668 return PTR_ERR(skb);
dffd30ee
THJA		 1669 }
1670 kfree_skb(skb);
1671
1672 /* Read Intel specific controller version first to allow selection of
1673 * which firmware file to load.
1674 *
1675 * The returned information are hardware variant and revision plus
1676 * firmware variant, revision and build number.
1677 */
6c483de1
LP		 1678 err = btintel_read_version(hdev, &ver);
1679 if (err)
1680 return err;
dffd30ee
THJA		 1681
1682 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
6c483de1
LP		 1683 hdev->name, ver.hw_platform, ver.hw_variant, ver.hw_revision,
1684 ver.fw_variant, ver.fw_revision, ver.fw_build_num,
1685 ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
dffd30ee
THJA		 1686
1687 /* fw_patch_num indicates the version of patch the device currently
1688 * have. If there is no patch data in the device, it is always 0x00.
5075edae 1689 * So, if it is other than 0x00, no need to patch the device again.
dffd30ee 1690 */
6c483de1 1691 if (ver.fw_patch_num) {
dffd30ee 1692 BT_INFO("%s: Intel device is already patched. patch num: %02x",
6c483de1 1693 hdev->name, ver.fw_patch_num);
213445b2 1694 goto complete;
dffd30ee
THJA		 1695 }
1696
1697 /* Opens the firmware patch file based on the firmware version read
1698 * from the controller. If it fails to open the matching firmware
1699 * patch file, it tries to open the default firmware patch file.
1700 * If no patch file is found, allow the device to operate without
1701 * a patch.
1702 */
6c483de1
LP		 1703 fw = btusb_setup_intel_get_fw(hdev, &ver);
1704 if (!fw)
213445b2 1705 goto complete;
dffd30ee
THJA		 1706 fw_ptr = fw->data;
1707
28dc4b92 1708 /* Enable the manufacturer mode of the controller.
dffd30ee
THJA		 1709 * Only while this mode is enabled, the driver can download the
1710 * firmware patch data and configuration parameters.
1711 */
28dc4b92
LP		 1712 err = btintel_enter_mfg(hdev);
1713 if (err) {
dffd30ee 1714 release_firmware(fw);
28dc4b92 1715 return err;
dffd30ee
THJA		 1716 }
1717
dffd30ee
THJA		 1718 disable_patch = 1;
1719
1720 /* The firmware data file consists of list of Intel specific HCI
1721 * commands and its expected events. The first byte indicates the
1722 * type of the message, either HCI command or HCI event.
1723 *
1724 * It reads the command and its expected event from the firmware file,
1725 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1726 * the returned event is compared with the event read from the firmware
1727 * file and it will continue until all the messages are downloaded to
1728 * the controller.
1729 *
1730 * Once the firmware patching is completed successfully,
1731 * the manufacturer mode is disabled with reset and activating the
1732 * downloaded patch.
1733 *
1734 * If the firmware patching fails, the manufacturer mode is
1735 * disabled with reset and deactivating the patch.
1736 *
1737 * If the default patch file is used, no reset is done when disabling
1738 * the manufacturer.
1739 */
1740 while (fw->size > fw_ptr - fw->data) {
1741 int ret;
1742
1743 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1744 &disable_patch);
1745 if (ret < 0)
1746 goto exit_mfg_deactivate;
1747 }
1748
1749 release_firmware(fw);
1750
1751 if (disable_patch)
1752 goto exit_mfg_disable;
1753
1754 /* Patching completed successfully and disable the manufacturer mode
1755 * with reset and activate the downloaded firmware patches.
1756 */
28dc4b92
LP		 1757 err = btintel_exit_mfg(hdev, true, true);
1758 if (err)
1759 return err;
dffd30ee
THJA		 1760
1761 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1762 hdev->name);
1763
213445b2 1764 goto complete;
dffd30ee
THJA		 1765
1766exit_mfg_disable:
1767 /* Disable the manufacturer mode without reset */
28dc4b92
LP		 1768 err = btintel_exit_mfg(hdev, false, false);
1769 if (err)
1770 return err;
dffd30ee
THJA		 1771
1772 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
40cb0984 1773
213445b2 1774 goto complete;
dffd30ee
THJA		 1775
1776exit_mfg_deactivate:
1777 release_firmware(fw);
1778
1779 /* Patching failed. Disable the manufacturer mode with reset and
1780 * deactivate the downloaded firmware patches.
1781 */
28dc4b92
LP		 1782 err = btintel_exit_mfg(hdev, true, false);
1783 if (err)
1784 return err;
dffd30ee
THJA		 1785
1786 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1787 hdev->name);
1788
213445b2
MH		 1789complete:
1790 /* Set the event mask for Intel specific vendor events. This enables
1791 * a few extra events that are useful during general operation.
1792 */
1793 btintel_set_event_mask_mfg(hdev, false);
1794
4185a0f5 1795 btintel_check_bdaddr(hdev);
dffd30ee
THJA		 1796 return 0;
1797}
1798
cda0dd78
MH		 1799static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1800{
1801 struct sk_buff *skb;
1802 struct hci_event_hdr *hdr;
1803 struct hci_ev_cmd_complete *evt;
1804
1805 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC);
1806 if (!skb)
1807 return -ENOMEM;
1808
1809 hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr));
1810 hdr->evt = HCI_EV_CMD_COMPLETE;
1811 hdr->plen = sizeof(*evt) + 1;
1812
1813 evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt));
1814 evt->ncmd = 0x01;
1815 evt->opcode = cpu_to_le16(opcode);
1816
1817 *skb_put(skb, 1) = 0x00;
1818
618e8bc2 1819 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
cda0dd78
MH		 1820
1821 return hci_recv_frame(hdev, skb);
1822}
1823
1824static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
1825 int count)
1826{
1827 /* When the device is in bootloader mode, then it can send
1828 * events via the bulk endpoint. These events are treated the
1829 * same way as the ones received from the interrupt endpoint.
1830 */
1831 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
1832 return btusb_recv_intr(data, buffer, count);
1833
1834 return btusb_recv_bulk(data, buffer, count);
1835}
1836
ccd6da2a
MH		 1837static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
1838 unsigned int len)
1839{
1840 const struct intel_bootup *evt = ptr;
1841
1842 if (len != sizeof(*evt))
1843 return;
1844
1845 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) {
1846 smp_mb__after_atomic();
1847 wake_up_bit(&data->flags, BTUSB_BOOTING);
1848 }
1849}
1850
1851static void btusb_intel_secure_send_result(struct btusb_data *data,
1852 const void *ptr, unsigned int len)
1853{
1854 const struct intel_secure_send_result *evt = ptr;
1855
1856 if (len != sizeof(*evt))
1857 return;
1858
1859 if (evt->result)
1860 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
1861
1862 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
1863 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) {
1864 smp_mb__after_atomic();
1865 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
1866 }
1867}
1868
cda0dd78
MH		 1869static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
1870{
1871 struct btusb_data *data = hci_get_drvdata(hdev);
1872
1873 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1874 struct hci_event_hdr *hdr = (void *)skb->data;
1875
ccd6da2a
MH		 1876 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
1877 hdr->plen > 0) {
1878 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
1879 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
1880
1881 switch (skb->data[2]) {
1882 case 0x02:
1883 /* When switching to the operational firmware
1884 * the device sends a vendor specific event
1885 * indicating that the bootup completed.
1886 */
1887 btusb_intel_bootup(data, ptr, len);
1888 break;
1889 case 0x06:
1890 /* When the firmware loading completes the
1891 * device sends out a vendor specific event
1892 * indicating the result of the firmware
1893 * loading.
1894 */
1895 btusb_intel_secure_send_result(data, ptr, len);
1896 break;
fad70972 1897 }
cda0dd78
MH		 1898 }
1899 }
1900
1901 return hci_recv_frame(hdev, skb);
1902}
1903
1904static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
1905{
1906 struct btusb_data *data = hci_get_drvdata(hdev);
1907 struct urb *urb;
1908
1909 BT_DBG("%s", hdev->name);
1910
618e8bc2 1911 switch (hci_skb_pkt_type(skb)) {
cda0dd78
MH		 1912 case HCI_COMMAND_PKT:
1913 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1914 struct hci_command_hdr *cmd = (void *)skb->data;
1915 __u16 opcode = le16_to_cpu(cmd->opcode);
1916
1917 /* When in bootloader mode and the command 0xfc09
1918 * is received, it needs to be send down the
1919 * bulk endpoint. So allocate a bulk URB instead.
1920 */
1921 if (opcode == 0xfc09)
1922 urb = alloc_bulk_urb(hdev, skb);
1923 else
1924 urb = alloc_ctrl_urb(hdev, skb);
1925
1926 /* When the 0xfc01 command is issued to boot into
1927 * the operational firmware, it will actually not
1928 * send a command complete event. To keep the flow
1929 * control working inject that event here.
1930 */
1931 if (opcode == 0xfc01)
1932 inject_cmd_complete(hdev, opcode);
1933 } else {
1934 urb = alloc_ctrl_urb(hdev, skb);
1935 }
1936 if (IS_ERR(urb))
1937 return PTR_ERR(urb);
1938
1939 hdev->stat.cmd_tx++;
1940 return submit_or_queue_tx_urb(hdev, urb);
1941
1942 case HCI_ACLDATA_PKT:
1943 urb = alloc_bulk_urb(hdev, skb);
1944 if (IS_ERR(urb))
1945 return PTR_ERR(urb);
1946
1947 hdev->stat.acl_tx++;
1948 return submit_or_queue_tx_urb(hdev, urb);
1949
1950 case HCI_SCODATA_PKT:
1951 if (hci_conn_num(hdev, SCO_LINK) < 1)
1952 return -ENODEV;
1953
1954 urb = alloc_isoc_urb(hdev, skb);
1955 if (IS_ERR(urb))
1956 return PTR_ERR(urb);
1957
1958 hdev->stat.sco_tx++;
1959 return submit_tx_urb(hdev, urb);
1960 }
1961
1962 return -EILSEQ;
1963}
1964
cda0dd78
MH		 1965static int btusb_setup_intel_new(struct hci_dev *hdev)
1966{
1967 static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01,
1968 0x00, 0x08, 0x04, 0x00 };
1969 struct btusb_data *data = hci_get_drvdata(hdev);
1970 struct sk_buff *skb;
6c483de1 1971 struct intel_version ver;
cda0dd78
MH		 1972 struct intel_boot_params *params;
1973 const struct firmware *fw;
1974 const u8 *fw_ptr;
e66890a9 1975 u32 frag_len;
cda0dd78
MH		 1976 char fwname[64];
1977 ktime_t calltime, delta, rettime;
1978 unsigned long long duration;
1979 int err;
1980
1981 BT_DBG("%s", hdev->name);
1982
1983 calltime = ktime_get();
1984
1985 /* Read the Intel version information to determine if the device
1986 * is in bootloader mode or if it already has operational firmware
1987 * loaded.
1988 */
6c483de1
LP		 1989 err = btintel_read_version(hdev, &ver);
1990 if (err)
1991 return err;
cda0dd78
MH		 1992
1993 /* The hardware platform number has a fixed value of 0x37 and
1994 * for now only accept this single value.
1995 */
6c483de1 1996 if (ver.hw_platform != 0x37) {
cda0dd78 1997 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
6c483de1 1998 hdev->name, ver.hw_platform);
cda0dd78
MH		 1999 return -EINVAL;
2000 }
2001
2002 /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is
2003 * supported by this firmware loading method. This check has been
2004 * put in place to ensure correct forward compatibility options
2005 * when newer hardware variants come along.
2006 */
6c483de1 2007 if (ver.hw_variant != 0x0b) {
cda0dd78 2008 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
6c483de1 2009 hdev->name, ver.hw_variant);
cda0dd78
MH		 2010 return -EINVAL;
2011 }
2012
6c483de1 2013 btintel_version_info(hdev, &ver);
cda0dd78
MH		 2014
2015 /* The firmware variant determines if the device is in bootloader
2016 * mode or is running operational firmware. The value 0x06 identifies
2017 * the bootloader and the value 0x23 identifies the operational
2018 * firmware.
2019 *
2020 * When the operational firmware is already present, then only
2021 * the check for valid Bluetooth device address is needed. This
2022 * determines if the device will be added as configured or
2023 * unconfigured controller.
2024 *
2025 * It is not possible to use the Secure Boot Parameters in this
2026 * case since that command is only available in bootloader mode.
2027 */
6c483de1 2028 if (ver.fw_variant == 0x23) {
cda0dd78 2029 clear_bit(BTUSB_BOOTLOADER, &data->flags);
4185a0f5 2030 btintel_check_bdaddr(hdev);
cda0dd78
MH		 2031 return 0;
2032 }
2033
2034 /* If the device is not in bootloader mode, then the only possible
2035 * choice is to return an error and abort the device initialization.
2036 */
6c483de1 2037 if (ver.fw_variant != 0x06) {
cda0dd78 2038 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
6c483de1 2039 hdev->name, ver.fw_variant);
cda0dd78
MH		 2040 return -ENODEV;
2041 }
2042
cda0dd78
MH		 2043 /* Read the secure boot parameters to identify the operating
2044 * details of the bootloader.
2045 */
2046 skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT);
2047 if (IS_ERR(skb)) {
2048 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2049 hdev->name, PTR_ERR(skb));
2050 return PTR_ERR(skb);
2051 }
2052
2053 if (skb->len != sizeof(*params)) {
2054 BT_ERR("%s: Intel boot parameters size mismatch", hdev->name);
2055 kfree_skb(skb);
2056 return -EILSEQ;
2057 }
2058
2059 params = (struct intel_boot_params *)skb->data;
cda0dd78
MH		 2060
2061 BT_INFO("%s: Device revision is %u", hdev->name,
2062 le16_to_cpu(params->dev_revid));
2063
2064 BT_INFO("%s: Secure boot is %s", hdev->name,
2065 params->secure_boot ? "enabled" : "disabled");
2066
2220994e
MH		 2067 BT_INFO("%s: OTP lock is %s", hdev->name,
2068 params->otp_lock ? "enabled" : "disabled");
2069
2070 BT_INFO("%s: API lock is %s", hdev->name,
2071 params->api_lock ? "enabled" : "disabled");
2072
2073 BT_INFO("%s: Debug lock is %s", hdev->name,
2074 params->debug_lock ? "enabled" : "disabled");
2075
cda0dd78
MH		 2076 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name,
2077 params->min_fw_build_nn, params->min_fw_build_cw,
2078 2000 + params->min_fw_build_yy);
2079
2080 /* It is required that every single firmware fragment is acknowledged
2081 * with a command complete event. If the boot parameters indicate
2082 * that this bootloader does not send them, then abort the setup.
2083 */
2084 if (params->limited_cce != 0x00) {
2085 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2086 hdev->name, params->limited_cce);
2087 kfree_skb(skb);
2088 return -EINVAL;
2089 }
2090
2091 /* If the OTP has no valid Bluetooth device address, then there will
2092 * also be no valid address for the operational firmware.
2093 */
2094 if (!bacmp(&params->otp_bdaddr, BDADDR_ANY)) {
2095 BT_INFO("%s: No device address configured", hdev->name);
2096 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2097 }
2098
2099 /* With this Intel bootloader only the hardware variant and device
2100 * revision information are used to select the right firmware.
2101 *
2102 * Currently this bootloader support is limited to hardware variant
2103 * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b).
2104 */
2105 snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi",
2106 le16_to_cpu(params->dev_revid));
2107
2108 err = request_firmware(&fw, fwname, &hdev->dev);
2109 if (err < 0) {
2110 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2111 hdev->name, err);
2112 kfree_skb(skb);
2113 return err;
2114 }
2115
2116 BT_INFO("%s: Found device firmware: %s", hdev->name, fwname);
2117
52cc9168
THJA		 2118 /* Save the DDC file name for later use to apply once the firmware
2119 * downloading is done.
2120 */
2121 snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.ddc",
2122 le16_to_cpu(params->dev_revid));
2123
cda0dd78
MH		 2124 kfree_skb(skb);
2125
2126 if (fw->size < 644) {
2127 BT_ERR("%s: Invalid size of firmware file (%zu)",
2128 hdev->name, fw->size);
2129 err = -EBADF;
2130 goto done;
2131 }
2132
2133 set_bit(BTUSB_DOWNLOADING, &data->flags);
2134
2135 /* Start the firmware download transaction with the Init fragment
2136 * represented by the 128 bytes of CSS header.
2137 */
09df123d 2138 err = btintel_secure_send(hdev, 0x00, 128, fw->data);
cda0dd78
MH		 2139 if (err < 0) {
2140 BT_ERR("%s: Failed to send firmware header (%d)",
2141 hdev->name, err);
2142 goto done;
2143 }
2144
2145 /* Send the 256 bytes of public key information from the firmware
2146 * as the PKey fragment.
2147 */
09df123d 2148 err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
cda0dd78
MH		 2149 if (err < 0) {
2150 BT_ERR("%s: Failed to send firmware public key (%d)",
2151 hdev->name, err);
2152 goto done;
2153 }
2154
2155 /* Send the 256 bytes of signature information from the firmware
2156 * as the Sign fragment.
2157 */
09df123d 2158 err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
cda0dd78
MH		 2159 if (err < 0) {
2160 BT_ERR("%s: Failed to send firmware signature (%d)",
2161 hdev->name, err);
2162 goto done;
2163 }
2164
2165 fw_ptr = fw->data + 644;
e66890a9 2166 frag_len = 0;
cda0dd78
MH		 2167
2168 while (fw_ptr - fw->data < fw->size) {
e66890a9 2169 struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len);
cda0dd78 2170
e66890a9 2171 frag_len += sizeof(*cmd) + cmd->plen;
cda0dd78 2172
5075edae 2173 /* The parameter length of the secure send command requires
e66890a9
MH		 2174 * a 4 byte alignment. It happens so that the firmware file
2175 * contains proper Intel_NOP commands to align the fragments
2176 * as needed.
2177 *
2178 * Send set of commands with 4 byte alignment from the
2179 * firmware data buffer as a single Data fragement.
cda0dd78 2180 */
e66890a9 2181 if (!(frag_len % 4)) {
09df123d 2182 err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
e66890a9
MH		 2183 if (err < 0) {
2184 BT_ERR("%s: Failed to send firmware data (%d)",
2185 hdev->name, err);
2186 goto done;
2187 }
cda0dd78 2188
e66890a9
MH		 2189 fw_ptr += frag_len;
2190 frag_len = 0;
2191 }
cda0dd78
MH		 2192 }
2193
ce6bb929
MH		 2194 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2195
a087a98e
JH		 2196 BT_INFO("%s: Waiting for firmware download to complete", hdev->name);
2197
cda0dd78
MH		 2198 /* Before switching the device into operational mode and with that
2199 * booting the loaded firmware, wait for the bootloader notification
2200 * that all fragments have been successfully received.
2201 *
a087a98e
JH		 2202 * When the event processing receives the notification, then the
2203 * BTUSB_DOWNLOADING flag will be cleared.
2204 *
2205 * The firmware loading should not take longer than 5 seconds
2206 * and thus just timeout if that happens and fail the setup
2207 * of this device.
cda0dd78 2208 */
129a7693
JH		 2209 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2210 TASK_INTERRUPTIBLE,
2211 msecs_to_jiffies(5000));
a087a98e
JH		 2212 if (err == 1) {
2213 BT_ERR("%s: Firmware loading interrupted", hdev->name);
2214 err = -EINTR;
2215 goto done;
2216 }
cda0dd78 2217
a087a98e
JH		 2218 if (err) {
2219 BT_ERR("%s: Firmware loading timeout", hdev->name);
2220 err = -ETIMEDOUT;
2221 goto done;
cda0dd78
MH		 2222 }
2223
2224 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
2225 BT_ERR("%s: Firmware loading failed", hdev->name);
2226 err = -ENOEXEC;
2227 goto done;
2228 }
2229
2230 rettime = ktime_get();
2231 delta = ktime_sub(rettime, calltime);
2232 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2233
2234 BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration);
2235
2236done:
2237 release_firmware(fw);
2238
2239 if (err < 0)
2240 return err;
2241
2242 calltime = ktime_get();
2243
2244 set_bit(BTUSB_BOOTING, &data->flags);
2245
2246 skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param,
2247 HCI_INIT_TIMEOUT);
2248 if (IS_ERR(skb))
2249 return PTR_ERR(skb);
2250
2251 kfree_skb(skb);
2252
2253 /* The bootloader will not indicate when the device is ready. This
2254 * is done by the operational firmware sending bootup notification.
fad70972
JH		 2255 *
2256 * Booting into operational firmware should not take longer than
2257 * 1 second. However if that happens, then just fail the setup
2258 * since something went wrong.
cda0dd78 2259 */
fad70972 2260 BT_INFO("%s: Waiting for device to boot", hdev->name);
cda0dd78 2261
129a7693
JH		 2262 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2263 TASK_INTERRUPTIBLE,
2264 msecs_to_jiffies(1000));
cda0dd78 2265
fad70972
JH		 2266 if (err == 1) {
2267 BT_ERR("%s: Device boot interrupted", hdev->name);
2268 return -EINTR;
2269 }
cda0dd78 2270
fad70972
JH		 2271 if (err) {
2272 BT_ERR("%s: Device boot timeout", hdev->name);
2273 return -ETIMEDOUT;
cda0dd78
MH		 2274 }
2275
2276 rettime = ktime_get();
2277 delta = ktime_sub(rettime, calltime);
2278 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2279
2280 BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration);
2281
2282 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2283
52cc9168
THJA		 2284 /* Once the device is running in operational mode, it needs to apply
2285 * the device configuration (DDC) parameters.
2286 *
2287 * The device can work without DDC parameters, so even if it fails
2288 * to load the file, no need to fail the setup.
2289 */
e924d3d6 2290 btintel_load_ddc_config(hdev, fwname);
52cc9168 2291
213445b2
MH		 2292 /* Set the event mask for Intel specific vendor events. This enables
2293 * a few extra events that are useful during general operation. It
2294 * does not enable any debugging related events.
2295 *
2296 * The device will function correctly without these events enabled
2297 * and thus no need to fail the setup.
2298 */
2299 btintel_set_event_mask(hdev, false);
2300
cda0dd78
MH		 2301 return 0;
2302}
2303
bfbd45e9
THJA		 2304static int btusb_shutdown_intel(struct hci_dev *hdev)
2305{
2306 struct sk_buff *skb;
2307 long ret;
2308
2309 /* Some platforms have an issue with BT LED when the interface is
2310 * down or BT radio is turned off, which takes 5 seconds to BT LED
2311 * goes off. This command turns off the BT LED immediately.
2312 */
2313 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2314 if (IS_ERR(skb)) {
2315 ret = PTR_ERR(skb);
2316 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2317 hdev->name, ret);
2318 return ret;
2319 }
2320 kfree_skb(skb);
2321
2322 return 0;
2323}
2324
ae8df494
AK		 2325static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
2326 const bdaddr_t *bdaddr)
2327{
2328 struct sk_buff *skb;
2329 u8 buf[8];
2330 long ret;
2331
2332 buf[0] = 0xfe;
2333 buf[1] = sizeof(bdaddr_t);
2334 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
2335
2336 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2337 if (IS_ERR(skb)) {
2338 ret = PTR_ERR(skb);
2339 BT_ERR("%s: changing Marvell device address failed (%ld)",
2340 hdev->name, ret);
2341 return ret;
2342 }
2343 kfree_skb(skb);
2344
2345 return 0;
2346}
2347
5859223e
TK		 2348static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
2349 const bdaddr_t *bdaddr)
2350{
2351 struct sk_buff *skb;
2352 u8 buf[10];
2353 long ret;
2354
2355 buf[0] = 0x01;
2356 buf[1] = 0x01;
2357 buf[2] = 0x00;
2358 buf[3] = sizeof(bdaddr_t);
2359 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
2360
2361 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2362 if (IS_ERR(skb)) {
2363 ret = PTR_ERR(skb);
2364 BT_ERR("%s: Change address command failed (%ld)",
2365 hdev->name, ret);
2366 return ret;
2367 }
2368 kfree_skb(skb);
2369
2370 return 0;
2371}
2372
3267c884
KBYT		 2373#define QCA_DFU_PACKET_LEN 4096
2374
2375#define QCA_GET_TARGET_VERSION 0x09
2376#define QCA_CHECK_STATUS 0x05
2377#define QCA_DFU_DOWNLOAD 0x01
2378
2379#define QCA_SYSCFG_UPDATED 0x40
2380#define QCA_PATCH_UPDATED 0x80
2381#define QCA_DFU_TIMEOUT 3000
2382
2383struct qca_version {
2384 __le32 rom_version;
2385 __le32 patch_version;
2386 __le32 ram_version;
2387 __le32 ref_clock;
2388 __u8 reserved[4];
2389} __packed;
2390
2391struct qca_rampatch_version {
2392 __le16 rom_version;
2393 __le16 patch_version;
2394} __packed;
2395
2396struct qca_device_info {
bf906b3d
KBYT		 2397 u32 rom_version;
2398 u8 rampatch_hdr; /* length of header in rampatch */
2399 u8 nvm_hdr; /* length of header in NVM */
2400 u8 ver_offset; /* offset of version structure in rampatch */
3267c884
KBYT		 2401};
2402
2403static const struct qca_device_info qca_devices_table[] = {
2404 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2405 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
7f6e6363 2406 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
3267c884
KBYT		 2407 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2408 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2409 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2410};
2411
2412static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
2413 void *data, u16 size)
2414{
2415 struct btusb_data *btdata = hci_get_drvdata(hdev);
2416 struct usb_device *udev = btdata->udev;
2417 int pipe, err;
2418 u8 *buf;
2419
2420 buf = kmalloc(size, GFP_KERNEL);
2421 if (!buf)
2422 return -ENOMEM;
2423
2424 /* Found some of USB hosts have IOT issues with ours so that we should
2425 * not wait until HCI layer is ready.
2426 */
2427 pipe = usb_rcvctrlpipe(udev, 0);
2428 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
2429 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2430 if (err < 0) {
2431 BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err);
2432 goto done;
2433 }
2434
2435 memcpy(data, buf, size);
2436
2437done:
2438 kfree(buf);
2439
2440 return err;
2441}
2442
2443static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
2444 const struct firmware *firmware,
2445 size_t hdr_size)
2446{
2447 struct btusb_data *btdata = hci_get_drvdata(hdev);
2448 struct usb_device *udev = btdata->udev;
2449 size_t count, size, sent = 0;
2450 int pipe, len, err;
2451 u8 *buf;
2452
2453 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
2454 if (!buf)
2455 return -ENOMEM;
2456
2457 count = firmware->size;
2458
2459 size = min_t(size_t, count, hdr_size);
2460 memcpy(buf, firmware->data, size);
2461
2462 /* USB patches should go down to controller through USB path
2463 * because binary format fits to go down through USB channel.
2464 * USB control path is for patching headers and USB bulk is for
2465 * patch body.
2466 */
2467 pipe = usb_sndctrlpipe(udev, 0);
2468 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
2469 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2470 if (err < 0) {
2471 BT_ERR("%s: Failed to send headers (%d)", hdev->name, err);
2472 goto done;
2473 }
2474
2475 sent += size;
2476 count -= size;
2477
2478 while (count) {
2479 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
2480
2481 memcpy(buf, firmware->data + sent, size);
2482
2483 pipe = usb_sndbulkpipe(udev, 0x02);
2484 err = usb_bulk_msg(udev, pipe, buf, size, &len,
2485 QCA_DFU_TIMEOUT);
2486 if (err < 0) {
2487 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2488 hdev->name, sent, firmware->size, err);
2489 break;
2490 }
2491
2492 if (size != len) {
2493 BT_ERR("%s: Failed to get bulk buffer", hdev->name);
2494 err = -EILSEQ;
2495 break;
2496 }
2497
2498 sent += size;
2499 count -= size;
2500 }
2501
2502done:
2503 kfree(buf);
2504 return err;
2505}
2506
2507static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
2508 struct qca_version *ver,
2509 const struct qca_device_info *info)
2510{
2511 struct qca_rampatch_version *rver;
2512 const struct firmware *fw;
bf906b3d
KBYT		 2513 u32 ver_rom, ver_patch;
2514 u16 rver_rom, rver_patch;
3267c884
KBYT		 2515 char fwname[64];
2516 int err;
2517
bf906b3d
KBYT		 2518 ver_rom = le32_to_cpu(ver->rom_version);
2519 ver_patch = le32_to_cpu(ver->patch_version);
2520
2521 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
3267c884
KBYT		 2522
2523 err = request_firmware(&fw, fwname, &hdev->dev);
2524 if (err) {
2525 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2526 hdev->name, fwname, err);
2527 return err;
2528 }
2529
2530 BT_INFO("%s: using rampatch file: %s", hdev->name, fwname);
bf906b3d 2531
3267c884 2532 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
bf906b3d
KBYT		 2533 rver_rom = le16_to_cpu(rver->rom_version);
2534 rver_patch = le16_to_cpu(rver->patch_version);
2535
3267c884 2536 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
bf906b3d
KBYT		 2537 "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom,
2538 ver_patch);
3267c884 2539
bf906b3d 2540 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
3267c884
KBYT		 2541 BT_ERR("%s: rampatch file version did not match with firmware",
2542 hdev->name);
2543 err = -EINVAL;
2544 goto done;
2545 }
2546
2547 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
2548
2549done:
2550 release_firmware(fw);
2551
2552 return err;
2553}
2554
2555static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
2556 struct qca_version *ver,
2557 const struct qca_device_info *info)
2558{
2559 const struct firmware *fw;
2560 char fwname[64];
2561 int err;
2562
2563 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
2564 le32_to_cpu(ver->rom_version));
2565
2566 err = request_firmware(&fw, fwname, &hdev->dev);
2567 if (err) {
2568 BT_ERR("%s: failed to request NVM file: %s (%d)",
2569 hdev->name, fwname, err);
2570 return err;
2571 }
2572
2573 BT_INFO("%s: using NVM file: %s", hdev->name, fwname);
2574
2575 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
2576
2577 release_firmware(fw);
2578
2579 return err;
2580}
2581
2582static int btusb_setup_qca(struct hci_dev *hdev)
2583{
2584 const struct qca_device_info *info = NULL;
2585 struct qca_version ver;
bf906b3d 2586 u32 ver_rom;
3267c884
KBYT		 2587 u8 status;
2588 int i, err;
2589
2590 err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
eb50042f 2591 sizeof(ver));
3267c884
KBYT		 2592 if (err < 0)
2593 return err;
2594
bf906b3d 2595 ver_rom = le32_to_cpu(ver.rom_version);
3267c884 2596 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
bf906b3d 2597 if (ver_rom == qca_devices_table[i].rom_version)
3267c884
KBYT		 2598 info = &qca_devices_table[i];
2599 }
2600 if (!info) {
2601 BT_ERR("%s: don't support firmware rome 0x%x", hdev->name,
bf906b3d 2602 ver_rom);
3267c884
KBYT		 2603 return -ENODEV;
2604 }
2605
2606 err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status,
2607 sizeof(status));
2608 if (err < 0)
2609 return err;
2610
2611 if (!(status & QCA_PATCH_UPDATED)) {
2612 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
2613 if (err < 0)
2614 return err;
2615 }
2616
2617 if (!(status & QCA_SYSCFG_UPDATED)) {
2618 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
2619 if (err < 0)
2620 return err;
2621 }
2622
2623 return 0;
2624}
2625
9d08f504
MH		 2626#ifdef CONFIG_BT_HCIBTUSB_BCM
2627static inline int __set_diag_interface(struct hci_dev *hdev)
2628{
2629 struct btusb_data *data = hci_get_drvdata(hdev);
2630 struct usb_interface *intf = data->diag;
2631 int i;
2632
2633 if (!data->diag)
2634 return -ENODEV;
2635
2636 data->diag_tx_ep = NULL;
2637 data->diag_rx_ep = NULL;
2638
2639 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2640 struct usb_endpoint_descriptor *ep_desc;
2641
2642 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2643
2644 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2645 data->diag_tx_ep = ep_desc;
2646 continue;
2647 }
2648
2649 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2650 data->diag_rx_ep = ep_desc;
2651 continue;
2652 }
2653 }
2654
2655 if (!data->diag_tx_ep || !data->diag_rx_ep) {
2656 BT_ERR("%s invalid diagnostic descriptors", hdev->name);
2657 return -ENODEV;
2658 }
2659
2660 return 0;
2661}
2662
2663static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
2664{
2665 struct btusb_data *data = hci_get_drvdata(hdev);
2666 struct sk_buff *skb;
2667 struct urb *urb;
2668 unsigned int pipe;
2669
2670 if (!data->diag_tx_ep)
2671 return ERR_PTR(-ENODEV);
2672
2673 urb = usb_alloc_urb(0, GFP_KERNEL);
2674 if (!urb)
2675 return ERR_PTR(-ENOMEM);
2676
2677 skb = bt_skb_alloc(2, GFP_KERNEL);
2678 if (!skb) {
2679 usb_free_urb(urb);
2680 return ERR_PTR(-ENOMEM);
2681 }
2682
2683 *skb_put(skb, 1) = 0xf0;
2684 *skb_put(skb, 1) = enable;
2685
2686 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
2687
2688 usb_fill_bulk_urb(urb, data->udev, pipe,
2689 skb->data, skb->len, btusb_tx_complete, skb);
2690
2691 skb->dev = (void *)hdev;
2692
2693 return urb;
2694}
2695
2696static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
2697{
2698 struct btusb_data *data = hci_get_drvdata(hdev);
2699 struct urb *urb;
2700
2701 if (!data->diag)
2702 return -ENODEV;
2703
2704 if (!test_bit(HCI_RUNNING, &hdev->flags))
2705 return -ENETDOWN;
2706
2707 urb = alloc_diag_urb(hdev, enable);
2708 if (IS_ERR(urb))
2709 return PTR_ERR(urb);
2710
2711 return submit_or_queue_tx_urb(hdev, urb);
2712}
2713#endif
2714
5e23b923 2715static int btusb_probe(struct usb_interface *intf,
89e7533d 2716 const struct usb_device_id *id)
5e23b923
MH		 2717{
2718 struct usb_endpoint_descriptor *ep_desc;
2719 struct btusb_data *data;
2720 struct hci_dev *hdev;
22f8e9db 2721 unsigned ifnum_base;
5e23b923
MH		 2722 int i, err;
2723
2724 BT_DBG("intf %p id %p", intf, id);
2725
cfeb4145 2726 /* interface numbers are hardcoded in the spec */
22f8e9db
MH		 2727 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
2728 if (!(id->driver_info & BTUSB_IFNUM_2))
2729 return -ENODEV;
2730 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
2731 return -ENODEV;
2732 }
2733
2734 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
5e23b923
MH		 2735
2736 if (!id->driver_info) {
2737 const struct usb_device_id *match;
89e7533d 2738
5e23b923
MH		 2739 match = usb_match_id(intf, blacklist_table);
2740 if (match)
2741 id = match;
2742 }
2743
cfeb4145
MH		 2744 if (id->driver_info == BTUSB_IGNORE)
2745 return -ENODEV;
2746
2d25f8b4
SL		 2747 if (id->driver_info & BTUSB_ATH3012) {
2748 struct usb_device *udev = interface_to_usbdev(intf);
2749
2750 /* Old firmware would otherwise let ath3k driver load
2751 * patch and sysconfig files */
2752 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
2753 return -ENODEV;
2754 }
2755
98921dbd 2756 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
5e23b923
MH		 2757 if (!data)
2758 return -ENOMEM;
2759
2760 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2761 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2762
2763 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
2764 data->intr_ep = ep_desc;
2765 continue;
2766 }
2767
2768 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2769 data->bulk_tx_ep = ep_desc;
2770 continue;
2771 }
2772
2773 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2774 data->bulk_rx_ep = ep_desc;
2775 continue;
2776 }
2777 }
2778
98921dbd 2779 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
5e23b923 2780 return -ENODEV;
5e23b923 2781
893ba544
MH		 2782 if (id->driver_info & BTUSB_AMP) {
2783 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
2784 data->cmdreq = 0x2b;
2785 } else {
2786 data->cmdreq_type = USB_TYPE_CLASS;
2787 data->cmdreq = 0x00;
2788 }
7a9d4020 2789
5e23b923 2790 data->udev = interface_to_usbdev(intf);
5fbcd260 2791 data->intf = intf;
5e23b923 2792
5e23b923 2793 INIT_WORK(&data->work, btusb_work);
7bee549e 2794 INIT_WORK(&data->waker, btusb_waker);
803b5836
MH		 2795 init_usb_anchor(&data->deferred);
2796 init_usb_anchor(&data->tx_anchor);
7bee549e 2797 spin_lock_init(&data->txlock);
5e23b923 2798
5e23b923
MH		 2799 init_usb_anchor(&data->intr_anchor);
2800 init_usb_anchor(&data->bulk_anchor);
9bfa35fe 2801 init_usb_anchor(&data->isoc_anchor);
9d08f504 2802 init_usb_anchor(&data->diag_anchor);
803b5836 2803 spin_lock_init(&data->rxlock);
5e23b923 2804
cda0dd78
MH		 2805 if (id->driver_info & BTUSB_INTEL_NEW) {
2806 data->recv_event = btusb_recv_event_intel;
2807 data->recv_bulk = btusb_recv_bulk_intel;
2808 set_bit(BTUSB_BOOTLOADER, &data->flags);
2809 } else {
2810 data->recv_event = hci_recv_frame;
2811 data->recv_bulk = btusb_recv_bulk;
2812 }
2cbd3f5c 2813
5e23b923 2814 hdev = hci_alloc_dev();
98921dbd 2815 if (!hdev)
5e23b923 2816 return -ENOMEM;
5e23b923 2817
c13854ce 2818 hdev->bus = HCI_USB;
155961e8 2819 hci_set_drvdata(hdev, data);
5e23b923 2820
893ba544
MH		 2821 if (id->driver_info & BTUSB_AMP)
2822 hdev->dev_type = HCI_AMP;
2823 else
2824 hdev->dev_type = HCI_BREDR;
2825
5e23b923
MH		 2826 data->hdev = hdev;
2827
2828 SET_HCIDEV_DEV(hdev, &intf->dev);
2829
9f8f962c
MH		 2830 hdev->open = btusb_open;
2831 hdev->close = btusb_close;
2832 hdev->flush = btusb_flush;
2833 hdev->send = btusb_send_frame;
2834 hdev->notify = btusb_notify;
2835
6c9d435d
MH		 2836 if (id->driver_info & BTUSB_BCM2045)
2837 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
2838
9f8f962c
MH		 2839 if (id->driver_info & BTUSB_BCM92035)
2840 hdev->setup = btusb_setup_bcm92035;
5e23b923 2841
c2bfb100 2842#ifdef CONFIG_BT_HCIBTUSB_BCM
abbaf50e 2843 if (id->driver_info & BTUSB_BCM_PATCHRAM) {
49a5f782 2844 hdev->manufacturer = 15;
c2bfb100 2845 hdev->setup = btbcm_setup_patchram;
9d08f504 2846 hdev->set_diag = btusb_bcm_set_diag;
1df1f591 2847 hdev->set_bdaddr = btbcm_set_bdaddr;
9d08f504
MH		 2848
2849 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 2850 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
abbaf50e 2851 }
10d4c673 2852
9d08f504 2853 if (id->driver_info & BTUSB_BCM_APPLE) {
49a5f782 2854 hdev->manufacturer = 15;
c2bfb100 2855 hdev->setup = btbcm_setup_apple;
9d08f504
MH		 2856 hdev->set_diag = btusb_bcm_set_diag;
2857
2858 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 2859 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
9d08f504 2860 }
c2bfb100 2861#endif
17b2772b 2862
cb8d6597 2863 if (id->driver_info & BTUSB_INTEL) {
49a5f782 2864 hdev->manufacturer = 2;
dffd30ee 2865 hdev->setup = btusb_setup_intel;
bfbd45e9 2866 hdev->shutdown = btusb_shutdown_intel;
3e24767b 2867 hdev->set_diag = btintel_set_diag_mfg;
4185a0f5 2868 hdev->set_bdaddr = btintel_set_bdaddr;
c33fb9b4 2869 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
c1154842 2870 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3e24767b 2871 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
cb8d6597 2872 }
dffd30ee 2873
cda0dd78 2874 if (id->driver_info & BTUSB_INTEL_NEW) {
49a5f782 2875 hdev->manufacturer = 2;
cda0dd78
MH		 2876 hdev->send = btusb_send_frame_intel;
2877 hdev->setup = btusb_setup_intel_new;
eeb6abe9 2878 hdev->hw_error = btintel_hw_error;
6d2e50d2 2879 hdev->set_diag = btintel_set_diag;
4185a0f5 2880 hdev->set_bdaddr = btintel_set_bdaddr;
b970c5ba 2881 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
d8270fbb 2882 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
cda0dd78
MH		 2883 }
2884
ae8df494
AK		 2885 if (id->driver_info & BTUSB_MARVELL)
2886 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
2887
661cf88a
MH		 2888 if (id->driver_info & BTUSB_SWAVE) {
2889 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
d57dbe77 2890 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
661cf88a 2891 }
d57dbe77 2892
e4c534bb
MH		 2893 if (id->driver_info & BTUSB_INTEL_BOOT) {
2894 hdev->manufacturer = 2;
40df783d 2895 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
e4c534bb 2896 }
40df783d 2897
79f0c87d 2898 if (id->driver_info & BTUSB_ATH3012) {
5859223e 2899 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3d50d51a 2900 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
79f0c87d
JP		 2901 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
2902 }
5859223e 2903
3267c884
KBYT		 2904 if (id->driver_info & BTUSB_QCA_ROME) {
2905 data->setup_on_usb = btusb_setup_qca;
2906 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
2907 }
2908
db33c77d 2909#ifdef CONFIG_BT_HCIBTUSB_RTL
04b8c814 2910 if (id->driver_info & BTUSB_REALTEK) {
db33c77d 2911 hdev->setup = btrtl_setup_realtek;
04b8c814
DD		 2912
2913 /* Realtek devices lose their updated firmware over suspend,
2914 * but the USB hub doesn't notice any status change.
2915 * Explicitly request a device reset on resume.
2916 */
2917 set_bit(BTUSB_RESET_RESUME, &data->flags);
2918 }
db33c77d 2919#endif
a2698a9b 2920
893ba544
MH		 2921 if (id->driver_info & BTUSB_AMP) {
2922 /* AMP controllers do not support SCO packets */
2923 data->isoc = NULL;
2924 } else {
22f8e9db
MH		 2925 /* Interface orders are hardcoded in the specification */
2926 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
893ba544 2927 }
9bfa35fe 2928
7a9d4020 2929 if (!reset)
a6c511c6 2930 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
cfeb4145
MH		 2931
2932 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
2933 if (!disable_scofix)
2934 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
2935 }
2936
9bfa35fe
MH		 2937 if (id->driver_info & BTUSB_BROKEN_ISOC)
2938 data->isoc = NULL;
2939
7a9d4020
MH		 2940 if (id->driver_info & BTUSB_DIGIANSWER) {
2941 data->cmdreq_type = USB_TYPE_VENDOR;
a6c511c6 2942 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
7a9d4020
MH		 2943 }
2944
2945 if (id->driver_info & BTUSB_CSR) {
2946 struct usb_device *udev = data->udev;
81cac64b 2947 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
7a9d4020
MH		 2948
2949 /* Old firmware would otherwise execute USB reset */
81cac64b 2950 if (bcdDevice < 0x117)
a6c511c6 2951 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b
MH		 2952
2953 /* Fake CSR devices with broken commands */
6cafcd95 2954 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
81cac64b 2955 hdev->setup = btusb_setup_csr;
49c989a0
JP		 2956
2957 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
7a9d4020
MH		 2958 }
2959
cfeb4145 2960 if (id->driver_info & BTUSB_SNIFFER) {
9bfa35fe 2961 struct usb_device *udev = data->udev;
cfeb4145 2962
7a9d4020 2963 /* New sniffer firmware has crippled HCI interface */
cfeb4145
MH		 2964 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
2965 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
2966 }
2967
3a5ef20c
MH		 2968 if (id->driver_info & BTUSB_INTEL_BOOT) {
2969 /* A bug in the bootloader causes that interrupt interface is
2970 * only enabled after receiving SetInterface(0, AltSetting=0).
2971 */
2972 err = usb_set_interface(data->udev, 0, 0);
2973 if (err < 0) {
2974 BT_ERR("failed to set interface 0, alt 0 %d", err);
2975 hci_free_dev(hdev);
2976 return err;
2977 }
2978 }
2979
9bfa35fe
MH		 2980 if (data->isoc) {
2981 err = usb_driver_claim_interface(&btusb_driver,
89e7533d 2982 data->isoc, data);
9bfa35fe
MH		 2983 if (err < 0) {
2984 hci_free_dev(hdev);
9bfa35fe
MH		 2985 return err;
2986 }
2987 }
2988
9d08f504
MH		 2989#ifdef CONFIG_BT_HCIBTUSB_BCM
2990 if (data->diag) {
2991 if (!usb_driver_claim_interface(&btusb_driver,
2992 data->diag, data))
2993 __set_diag_interface(hdev);
2994 else
2995 data->diag = NULL;
2996 }
2997#endif
2998
5e23b923
MH		 2999 err = hci_register_dev(hdev);
3000 if (err < 0) {
3001 hci_free_dev(hdev);
5e23b923
MH		 3002 return err;
3003 }
3004
3005 usb_set_intfdata(intf, data);
3006
3007 return 0;
3008}
3009
3010static void btusb_disconnect(struct usb_interface *intf)
3011{
3012 struct btusb_data *data = usb_get_intfdata(intf);
3013 struct hci_dev *hdev;
3014
3015 BT_DBG("intf %p", intf);
3016
3017 if (!data)
3018 return;
3019
3020 hdev = data->hdev;
5fbcd260
MH		 3021 usb_set_intfdata(data->intf, NULL);
3022
3023 if (data->isoc)
3024 usb_set_intfdata(data->isoc, NULL);
5e23b923 3025
9d08f504
MH		 3026 if (data->diag)
3027 usb_set_intfdata(data->diag, NULL);
3028
5e23b923
MH		 3029 hci_unregister_dev(hdev);
3030
9d08f504
MH		 3031 if (intf == data->intf) {
3032 if (data->isoc)
3033 usb_driver_release_interface(&btusb_driver, data->isoc);
3034 if (data->diag)
3035 usb_driver_release_interface(&btusb_driver, data->diag);
3036 } else if (intf == data->isoc) {
3037 if (data->diag)
3038 usb_driver_release_interface(&btusb_driver, data->diag);
5fbcd260 3039 usb_driver_release_interface(&btusb_driver, data->intf);
9d08f504
MH		 3040 } else if (intf == data->diag) {
3041 usb_driver_release_interface(&btusb_driver, data->intf);
3042 if (data->isoc)
3043 usb_driver_release_interface(&btusb_driver, data->isoc);
3044 }
5fbcd260 3045
5e23b923
MH		 3046 hci_free_dev(hdev);
3047}
3048
7bee549e 3049#ifdef CONFIG_PM
6a88adf2
MH		 3050static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
3051{
3052 struct btusb_data *data = usb_get_intfdata(intf);
3053
3054 BT_DBG("intf %p", intf);
3055
3056 if (data->suspend_count++)
3057 return 0;
3058
7bee549e 3059 spin_lock_irq(&data->txlock);
5b1b0b81 3060 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
7bee549e
ON		 3061 set_bit(BTUSB_SUSPENDING, &data->flags);
3062 spin_unlock_irq(&data->txlock);
3063 } else {
3064 spin_unlock_irq(&data->txlock);
3065 data->suspend_count--;
3066 return -EBUSY;
3067 }
3068
6a88adf2
MH		 3069 cancel_work_sync(&data->work);
3070
7bee549e 3071 btusb_stop_traffic(data);
6a88adf2
MH		 3072 usb_kill_anchored_urbs(&data->tx_anchor);
3073
04b8c814
DD		 3074 /* Optionally request a device reset on resume, but only when
3075 * wakeups are disabled. If wakeups are enabled we assume the
3076 * device will stay powered up throughout suspend.
3077 */
3078 if (test_bit(BTUSB_RESET_RESUME, &data->flags) &&
3079 !device_may_wakeup(&data->udev->dev))
3080 data->udev->reset_resume = 1;
3081
6a88adf2
MH		 3082 return 0;
3083}
3084
7bee549e
ON		 3085static void play_deferred(struct btusb_data *data)
3086{
3087 struct urb *urb;
3088 int err;
3089
3090 while ((urb = usb_get_from_anchor(&data->deferred))) {
3091 err = usb_submit_urb(urb, GFP_ATOMIC);
3092 if (err < 0)
3093 break;
3094
3095 data->tx_in_flight++;
3096 }
3097 usb_scuttle_anchored_urbs(&data->deferred);
3098}
3099
6a88adf2
MH		 3100static int btusb_resume(struct usb_interface *intf)
3101{
3102 struct btusb_data *data = usb_get_intfdata(intf);
3103 struct hci_dev *hdev = data->hdev;
7bee549e 3104 int err = 0;
6a88adf2
MH		 3105
3106 BT_DBG("intf %p", intf);
3107
3108 if (--data->suspend_count)
3109 return 0;
3110
3111 if (!test_bit(HCI_RUNNING, &hdev->flags))
7bee549e 3112 goto done;
6a88adf2
MH		 3113
3114 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
3115 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
3116 if (err < 0) {
3117 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 3118 goto failed;
6a88adf2
MH		 3119 }
3120 }
3121
3122 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
43c2e57f
MH		 3123 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
3124 if (err < 0) {
6a88adf2 3125 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
7bee549e
ON		 3126 goto failed;
3127 }
3128
3129 btusb_submit_bulk_urb(hdev, GFP_NOIO);
6a88adf2
MH		 3130 }
3131
3132 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
3133 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
3134 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3135 else
3136 btusb_submit_isoc_urb(hdev, GFP_NOIO);
3137 }
3138
7bee549e
ON		 3139 spin_lock_irq(&data->txlock);
3140 play_deferred(data);
3141 clear_bit(BTUSB_SUSPENDING, &data->flags);
3142 spin_unlock_irq(&data->txlock);
3143 schedule_work(&data->work);
3144
6a88adf2 3145 return 0;
7bee549e
ON		 3146
3147failed:
3148 usb_scuttle_anchored_urbs(&data->deferred);
3149done:
3150 spin_lock_irq(&data->txlock);
3151 clear_bit(BTUSB_SUSPENDING, &data->flags);
3152 spin_unlock_irq(&data->txlock);
3153
3154 return err;
6a88adf2 3155}
7bee549e 3156#endif
6a88adf2 3157
5e23b923
MH		 3158static struct usb_driver btusb_driver = {
3159 .name = "btusb",
3160 .probe = btusb_probe,
3161 .disconnect = btusb_disconnect,
7bee549e 3162#ifdef CONFIG_PM
6a88adf2
MH		 3163 .suspend = btusb_suspend,
3164 .resume = btusb_resume,
7bee549e 3165#endif
5e23b923 3166 .id_table = btusb_table,
7bee549e 3167 .supports_autosuspend = 1,
e1f12eb6 3168 .disable_hub_initiated_lpm = 1,
5e23b923
MH		 3169};
3170
93f1508c 3171module_usb_driver(btusb_driver);
5e23b923 3172
cfeb4145
MH		 3173module_param(disable_scofix, bool, 0644);
3174MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
3175
3176module_param(force_scofix, bool, 0644);
3177MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
3178
3179module_param(reset, bool, 0644);
3180MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
3181
5e23b923
MH		 3182MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3183MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
3184MODULE_VERSION(VERSION);
3185MODULE_LICENSE("GPL");
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git