]> 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
Bluetooth: add printf format attribute to hci_set_[fh]w_info()
[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 },
81d90442 210 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
0b880062 211 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
cd355ff0 212 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
0b880062 213 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
89d2975f 214 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
a735f9e2 215 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
d66629c1 216 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
2d25f8b4 217 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
94a32d10 218 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
07c0ea87 219 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
b131237c 220 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
1e56f1eb 221 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
0b880062 222 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
ebaf5795 223 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
18e0afab 224 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
0b880062 225 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
ac71311e 226 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc 227 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
ca79f232 228 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 229 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
230 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
eed307e2 231 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
609574eb 232 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
5b77a1f3 233 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
3bb30a7c 234 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
033efa92 235 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
fa2f1394 236 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
75c6aca4 237 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
0d0cef61 238 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
72f9f8b5 239 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
12d86896 240 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
d9f51b51 241
e9036e33
CYC		 242 /* Atheros AR5BBU12 with sflash firmware */
243 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
244
85d59726 245 /* Atheros AR5BBU12 with sflash firmware */
bc21fde2 246 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
0b880062 247 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
85d59726 248
3267c884 249 /* QCA ROME chipset */
2054111b 250 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
c9e44474
MH		 251 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
252 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
47ca5898 253 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
3267c884 254
cfeb4145 255 /* Broadcom BCM2035 */
7a9d4020 256 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
0b880062
AS		 257 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
258 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 259
260 /* Broadcom BCM2045 */
7a9d4020
MH		 261 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
262 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
bdbef3d6 263
cfeb4145 264 /* IBM/Lenovo ThinkPad with Broadcom chip */
7a9d4020
MH		 265 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
266 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 267
268 /* HP laptop with Broadcom chip */
7a9d4020 269 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 270
271 /* Dell laptop with Broadcom chip */
7a9d4020 272 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 273
5ddd4a60 274 /* Dell Wireless 370 and 410 devices */
7a9d4020 275 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
5ddd4a60 276 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 277
7a9d4020
MH		 278 /* Belkin F8T012 and F8T013 devices */
279 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
280 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 281
5ddd4a60
MH		 282 /* Asus WL-BTD202 device */
283 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
284
285 /* Kensington Bluetooth USB adapter */
286 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
287
cfeb4145
MH		 288 /* RTX Telecom based adapters with buggy SCO support */
289 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
290 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
291
292 /* CONWISE Technology based adapters with buggy SCO support */
293 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
294
4fcef8ed 295 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
2eeac871 296 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
4fcef8ed 297
cfeb4145
MH		 298 /* Digianswer devices */
299 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
300 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
301
302 /* CSR BlueCore Bluetooth Sniffer */
4f64fa80
MH		 303 { USB_DEVICE(0x0a12, 0x0002),
304 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145
MH		 305
306 /* Frontline ComProbe Bluetooth Sniffer */
4f64fa80
MH		 307 { USB_DEVICE(0x16d3, 0x0002),
308 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145 309
cb1ee89f
MH		 310 /* Marvell Bluetooth devices */
311 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
312 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
313
d0ac9eb7 314 /* Intel Bluetooth devices */
407550fe 315 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
dffd30ee 316 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
ef4e5e4a 317 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
cda0dd78 318 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
439e65d3 319 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL },
dffd30ee 320
d0ac9eb7
MH		 321 /* Other Intel Bluetooth devices */
322 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
323 .driver_info = BTUSB_IGNORE },
ae8df494 324
a2698a9b
DD		 325 /* Realtek Bluetooth devices */
326 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
327 .driver_info = BTUSB_REALTEK },
328
329 /* Additional Realtek 8723AE Bluetooth devices */
330 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
331 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
332
333 /* Additional Realtek 8723BE Bluetooth devices */
334 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
335 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
336 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
337 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
338 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
339
340 /* Additional Realtek 8821AE Bluetooth devices */
341 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
342 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
343 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
344 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
345 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
346
4481c076
PP		 347 /* Silicon Wave based devices */
348 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
349
5e23b923
MH		 350 { } /* Terminating entry */
351};
352
9bfa35fe
MH		 353#define BTUSB_MAX_ISOC_FRAMES 10
354
5e23b923
MH		 355#define BTUSB_INTR_RUNNING 0
356#define BTUSB_BULK_RUNNING 1
9bfa35fe 357#define BTUSB_ISOC_RUNNING 2
7bee549e 358#define BTUSB_SUSPENDING 3
08b8b6c4 359#define BTUSB_DID_ISO_RESUME 4
cda0dd78
MH		 360#define BTUSB_BOOTLOADER 5
361#define BTUSB_DOWNLOADING 6
ce6bb929 362#define BTUSB_FIRMWARE_LOADED 7
cda0dd78 363#define BTUSB_FIRMWARE_FAILED 8
ce6bb929 364#define BTUSB_BOOTING 9
04b8c814 365#define BTUSB_RESET_RESUME 10
9d08f504 366#define BTUSB_DIAG_RUNNING 11
5e23b923
MH		 367
368struct btusb_data {
369 struct hci_dev *hdev;
370 struct usb_device *udev;
5fbcd260 371 struct usb_interface *intf;
9bfa35fe 372 struct usb_interface *isoc;
9d08f504 373 struct usb_interface *diag;
5e23b923 374
5e23b923
MH		 375 unsigned long flags;
376
377 struct work_struct work;
7bee549e 378 struct work_struct waker;
5e23b923 379
803b5836 380 struct usb_anchor deferred;
5e23b923 381 struct usb_anchor tx_anchor;
803b5836
MH		 382 int tx_in_flight;
383 spinlock_t txlock;
384
5e23b923
MH		 385 struct usb_anchor intr_anchor;
386 struct usb_anchor bulk_anchor;
9bfa35fe 387 struct usb_anchor isoc_anchor;
9d08f504 388 struct usb_anchor diag_anchor;
803b5836
MH		 389 spinlock_t rxlock;
390
391 struct sk_buff *evt_skb;
392 struct sk_buff *acl_skb;
393 struct sk_buff *sco_skb;
5e23b923
MH		 394
395 struct usb_endpoint_descriptor *intr_ep;
396 struct usb_endpoint_descriptor *bulk_tx_ep;
397 struct usb_endpoint_descriptor *bulk_rx_ep;
9bfa35fe
MH		 398 struct usb_endpoint_descriptor *isoc_tx_ep;
399 struct usb_endpoint_descriptor *isoc_rx_ep;
9d08f504
MH		 400 struct usb_endpoint_descriptor *diag_tx_ep;
401 struct usb_endpoint_descriptor *diag_rx_ep;
9bfa35fe 402
7a9d4020 403 __u8 cmdreq_type;
893ba544 404 __u8 cmdreq;
7a9d4020 405
43c2e57f 406 unsigned int sco_num;
9bfa35fe 407 int isoc_altsetting;
6a88adf2 408 int suspend_count;
2cbd3f5c 409
97307f51 410 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
2cbd3f5c 411 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
ace31982
KBYT		 412
413 int (*setup_on_usb)(struct hci_dev *hdev);
5e23b923
MH		 414};
415
803b5836
MH		 416static inline void btusb_free_frags(struct btusb_data *data)
417{
418 unsigned long flags;
419
420 spin_lock_irqsave(&data->rxlock, flags);
421
422 kfree_skb(data->evt_skb);
423 data->evt_skb = NULL;
424
425 kfree_skb(data->acl_skb);
426 data->acl_skb = NULL;
427
428 kfree_skb(data->sco_skb);
429 data->sco_skb = NULL;
430
431 spin_unlock_irqrestore(&data->rxlock, flags);
432}
433
1ffa4ad0
MH		 434static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
435{
803b5836
MH		 436 struct sk_buff *skb;
437 int err = 0;
438
439 spin_lock(&data->rxlock);
440 skb = data->evt_skb;
441
442 while (count) {
443 int len;
444
445 if (!skb) {
446 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
447 if (!skb) {
448 err = -ENOMEM;
449 break;
450 }
451
618e8bc2
MH		 452 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
453 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
803b5836
MH		 454 }
455
618e8bc2 456 len = min_t(uint, hci_skb_expect(skb), count);
803b5836
MH		 457 memcpy(skb_put(skb, len), buffer, len);
458
459 count -= len;
460 buffer += len;
618e8bc2 461 hci_skb_expect(skb) -= len;
803b5836
MH		 462
463 if (skb->len == HCI_EVENT_HDR_SIZE) {
464 /* Complete event header */
618e8bc2 465 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
803b5836 466
618e8bc2 467 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 468 kfree_skb(skb);
469 skb = NULL;
470
471 err = -EILSEQ;
472 break;
473 }
474 }
475
618e8bc2 476 if (!hci_skb_expect(skb)) {
803b5836 477 /* Complete frame */
97307f51 478 data->recv_event(data->hdev, skb);
803b5836
MH		 479 skb = NULL;
480 }
481 }
482
483 data->evt_skb = skb;
484 spin_unlock(&data->rxlock);
485
486 return err;
1ffa4ad0
MH		 487}
488
489static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
490{
803b5836
MH		 491 struct sk_buff *skb;
492 int err = 0;
493
494 spin_lock(&data->rxlock);
495 skb = data->acl_skb;
496
497 while (count) {
498 int len;
499
500 if (!skb) {
501 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
502 if (!skb) {
503 err = -ENOMEM;
504 break;
505 }
506
618e8bc2
MH		 507 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
508 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
803b5836
MH		 509 }
510
618e8bc2 511 len = min_t(uint, hci_skb_expect(skb), count);
803b5836
MH		 512 memcpy(skb_put(skb, len), buffer, len);
513
514 count -= len;
515 buffer += len;
618e8bc2 516 hci_skb_expect(skb) -= len;
803b5836
MH		 517
518 if (skb->len == HCI_ACL_HDR_SIZE) {
519 __le16 dlen = hci_acl_hdr(skb)->dlen;
520
521 /* Complete ACL header */
618e8bc2 522 hci_skb_expect(skb) = __le16_to_cpu(dlen);
803b5836 523
618e8bc2 524 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 525 kfree_skb(skb);
526 skb = NULL;
527
528 err = -EILSEQ;
529 break;
530 }
531 }
532
618e8bc2 533 if (!hci_skb_expect(skb)) {
803b5836
MH		 534 /* Complete frame */
535 hci_recv_frame(data->hdev, skb);
536 skb = NULL;
537 }
538 }
539
540 data->acl_skb = skb;
541 spin_unlock(&data->rxlock);
542
543 return err;
1ffa4ad0
MH		 544}
545
546static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
547{
803b5836
MH		 548 struct sk_buff *skb;
549 int err = 0;
550
551 spin_lock(&data->rxlock);
552 skb = data->sco_skb;
553
554 while (count) {
555 int len;
556
557 if (!skb) {
558 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
559 if (!skb) {
560 err = -ENOMEM;
561 break;
562 }
563
618e8bc2
MH		 564 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
565 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
803b5836
MH		 566 }
567
618e8bc2 568 len = min_t(uint, hci_skb_expect(skb), count);
803b5836
MH		 569 memcpy(skb_put(skb, len), buffer, len);
570
571 count -= len;
572 buffer += len;
618e8bc2 573 hci_skb_expect(skb) -= len;
803b5836
MH		 574
575 if (skb->len == HCI_SCO_HDR_SIZE) {
576 /* Complete SCO header */
618e8bc2 577 hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
803b5836 578
618e8bc2 579 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 580 kfree_skb(skb);
581 skb = NULL;
582
583 err = -EILSEQ;
584 break;
585 }
586 }
587
618e8bc2 588 if (!hci_skb_expect(skb)) {
803b5836
MH		 589 /* Complete frame */
590 hci_recv_frame(data->hdev, skb);
591 skb = NULL;
592 }
593 }
594
595 data->sco_skb = skb;
596 spin_unlock(&data->rxlock);
597
598 return err;
1ffa4ad0
MH		 599}
600
5e23b923
MH		 601static void btusb_intr_complete(struct urb *urb)
602{
603 struct hci_dev *hdev = urb->context;
155961e8 604 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 605 int err;
606
89e7533d
MH		 607 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
608 urb->actual_length);
5e23b923
MH		 609
610 if (!test_bit(HCI_RUNNING, &hdev->flags))
611 return;
612
613 if (urb->status == 0) {
9bfa35fe
MH		 614 hdev->stat.byte_rx += urb->actual_length;
615
1ffa4ad0
MH		 616 if (btusb_recv_intr(data, urb->transfer_buffer,
617 urb->actual_length) < 0) {
5e23b923
MH		 618 BT_ERR("%s corrupted event packet", hdev->name);
619 hdev->stat.err_rx++;
620 }
85560c4a
CC		 621 } else if (urb->status == -ENOENT) {
622 /* Avoid suspend failed when usb_kill_urb */
623 return;
5e23b923
MH		 624 }
625
626 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
627 return;
628
7bee549e 629 usb_mark_last_busy(data->udev);
5e23b923
MH		 630 usb_anchor_urb(urb, &data->intr_anchor);
631
632 err = usb_submit_urb(urb, GFP_ATOMIC);
633 if (err < 0) {
4935f1c1
PB		 634 /* -EPERM: urb is being killed;
635 * -ENODEV: device got disconnected */
636 if (err != -EPERM && err != -ENODEV)
61faddf6 637 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 638 hdev->name, urb, -err);
5e23b923
MH		 639 usb_unanchor_urb(urb);
640 }
641}
642
2eda66f4 643static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 644{
155961e8 645 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 646 struct urb *urb;
647 unsigned char *buf;
648 unsigned int pipe;
649 int err, size;
650
651 BT_DBG("%s", hdev->name);
652
9bfa35fe
MH		 653 if (!data->intr_ep)
654 return -ENODEV;
655
2eda66f4 656 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 657 if (!urb)
658 return -ENOMEM;
659
660 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
661
2eda66f4 662 buf = kmalloc(size, mem_flags);
5e23b923
MH		 663 if (!buf) {
664 usb_free_urb(urb);
665 return -ENOMEM;
666 }
667
668 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
669
670 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
89e7533d 671 btusb_intr_complete, hdev, data->intr_ep->bInterval);
5e23b923
MH		 672
673 urb->transfer_flags |= URB_FREE_BUFFER;
674
675 usb_anchor_urb(urb, &data->intr_anchor);
676
2eda66f4 677 err = usb_submit_urb(urb, mem_flags);
5e23b923 678 if (err < 0) {
d4b8d1c9
PB		 679 if (err != -EPERM && err != -ENODEV)
680 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 681 hdev->name, urb, -err);
5e23b923 682 usb_unanchor_urb(urb);
5e23b923
MH		 683 }
684
685 usb_free_urb(urb);
686
687 return err;
688}
689
690static void btusb_bulk_complete(struct urb *urb)
691{
692 struct hci_dev *hdev = urb->context;
155961e8 693 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 694 int err;
695
89e7533d
MH		 696 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
697 urb->actual_length);
5e23b923
MH		 698
699 if (!test_bit(HCI_RUNNING, &hdev->flags))
700 return;
701
702 if (urb->status == 0) {
9bfa35fe
MH		 703 hdev->stat.byte_rx += urb->actual_length;
704
2cbd3f5c 705 if (data->recv_bulk(data, urb->transfer_buffer,
1ffa4ad0 706 urb->actual_length) < 0) {
5e23b923
MH		 707 BT_ERR("%s corrupted ACL packet", hdev->name);
708 hdev->stat.err_rx++;
709 }
85560c4a
CC		 710 } else if (urb->status == -ENOENT) {
711 /* Avoid suspend failed when usb_kill_urb */
712 return;
5e23b923
MH		 713 }
714
715 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
716 return;
717
718 usb_anchor_urb(urb, &data->bulk_anchor);
652fd781 719 usb_mark_last_busy(data->udev);
5e23b923
MH		 720
721 err = usb_submit_urb(urb, GFP_ATOMIC);
722 if (err < 0) {
4935f1c1
PB		 723 /* -EPERM: urb is being killed;
724 * -ENODEV: device got disconnected */
725 if (err != -EPERM && err != -ENODEV)
61faddf6 726 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 727 hdev->name, urb, -err);
5e23b923
MH		 728 usb_unanchor_urb(urb);
729 }
730}
731
2eda66f4 732static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 733{
155961e8 734 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 735 struct urb *urb;
736 unsigned char *buf;
737 unsigned int pipe;
290ba200 738 int err, size = HCI_MAX_FRAME_SIZE;
5e23b923
MH		 739
740 BT_DBG("%s", hdev->name);
741
9bfa35fe
MH		 742 if (!data->bulk_rx_ep)
743 return -ENODEV;
744
2eda66f4 745 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 746 if (!urb)
747 return -ENOMEM;
748
2eda66f4 749 buf = kmalloc(size, mem_flags);
5e23b923
MH		 750 if (!buf) {
751 usb_free_urb(urb);
752 return -ENOMEM;
753 }
754
755 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
756
89e7533d
MH		 757 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
758 btusb_bulk_complete, hdev);
5e23b923
MH		 759
760 urb->transfer_flags |= URB_FREE_BUFFER;
761
7bee549e 762 usb_mark_last_busy(data->udev);
5e23b923
MH		 763 usb_anchor_urb(urb, &data->bulk_anchor);
764
2eda66f4 765 err = usb_submit_urb(urb, mem_flags);
5e23b923 766 if (err < 0) {
d4b8d1c9
PB		 767 if (err != -EPERM && err != -ENODEV)
768 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 769 hdev->name, urb, -err);
5e23b923 770 usb_unanchor_urb(urb);
5e23b923
MH		 771 }
772
773 usb_free_urb(urb);
774
775 return err;
776}
777
9bfa35fe
MH		 778static void btusb_isoc_complete(struct urb *urb)
779{
780 struct hci_dev *hdev = urb->context;
155961e8 781 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 782 int i, err;
783
89e7533d
MH		 784 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
785 urb->actual_length);
9bfa35fe
MH		 786
787 if (!test_bit(HCI_RUNNING, &hdev->flags))
788 return;
789
790 if (urb->status == 0) {
791 for (i = 0; i < urb->number_of_packets; i++) {
792 unsigned int offset = urb->iso_frame_desc[i].offset;
793 unsigned int length = urb->iso_frame_desc[i].actual_length;
794
795 if (urb->iso_frame_desc[i].status)
796 continue;
797
798 hdev->stat.byte_rx += length;
799
1ffa4ad0
MH		 800 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
801 length) < 0) {
9bfa35fe
MH		 802 BT_ERR("%s corrupted SCO packet", hdev->name);
803 hdev->stat.err_rx++;
804 }
805 }
85560c4a
CC		 806 } else if (urb->status == -ENOENT) {
807 /* Avoid suspend failed when usb_kill_urb */
808 return;
9bfa35fe
MH		 809 }
810
811 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
812 return;
813
814 usb_anchor_urb(urb, &data->isoc_anchor);
815
816 err = usb_submit_urb(urb, GFP_ATOMIC);
817 if (err < 0) {
4935f1c1
PB		 818 /* -EPERM: urb is being killed;
819 * -ENODEV: device got disconnected */
820 if (err != -EPERM && err != -ENODEV)
61faddf6 821 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 822 hdev->name, urb, -err);
9bfa35fe
MH		 823 usb_unanchor_urb(urb);
824 }
825}
826
42b16b3f 827static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
9bfa35fe
MH		 828{
829 int i, offset = 0;
830
831 BT_DBG("len %d mtu %d", len, mtu);
832
833 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
834 i++, offset += mtu, len -= mtu) {
835 urb->iso_frame_desc[i].offset = offset;
836 urb->iso_frame_desc[i].length = mtu;
837 }
838
839 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
840 urb->iso_frame_desc[i].offset = offset;
841 urb->iso_frame_desc[i].length = len;
842 i++;
843 }
844
845 urb->number_of_packets = i;
846}
847
2eda66f4 848static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
9bfa35fe 849{
155961e8 850 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 851 struct urb *urb;
852 unsigned char *buf;
853 unsigned int pipe;
854 int err, size;
855
856 BT_DBG("%s", hdev->name);
857
858 if (!data->isoc_rx_ep)
859 return -ENODEV;
860
2eda66f4 861 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
9bfa35fe
MH		 862 if (!urb)
863 return -ENOMEM;
864
865 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
866 BTUSB_MAX_ISOC_FRAMES;
867
2eda66f4 868 buf = kmalloc(size, mem_flags);
9bfa35fe
MH		 869 if (!buf) {
870 usb_free_urb(urb);
871 return -ENOMEM;
872 }
873
874 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
875
fa0fb93f 876 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
89e7533d 877 hdev, data->isoc_rx_ep->bInterval);
9bfa35fe 878
89e7533d 879 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
9bfa35fe
MH		 880
881 __fill_isoc_descriptor(urb, size,
89e7533d 882 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
9bfa35fe
MH		 883
884 usb_anchor_urb(urb, &data->isoc_anchor);
885
2eda66f4 886 err = usb_submit_urb(urb, mem_flags);
9bfa35fe 887 if (err < 0) {
d4b8d1c9
PB		 888 if (err != -EPERM && err != -ENODEV)
889 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 890 hdev->name, urb, -err);
9bfa35fe 891 usb_unanchor_urb(urb);
9bfa35fe
MH		 892 }
893
894 usb_free_urb(urb);
895
896 return err;
897}
898
9d08f504
MH		 899static void btusb_diag_complete(struct urb *urb)
900{
901 struct hci_dev *hdev = urb->context;
902 struct btusb_data *data = hci_get_drvdata(hdev);
903 int err;
904
905 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
906 urb->actual_length);
907
908 if (urb->status == 0) {
909 struct sk_buff *skb;
910
911 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
912 if (skb) {
913 memcpy(skb_put(skb, urb->actual_length),
914 urb->transfer_buffer, urb->actual_length);
915 hci_recv_diag(hdev, skb);
916 }
917 } else if (urb->status == -ENOENT) {
918 /* Avoid suspend failed when usb_kill_urb */
919 return;
920 }
921
922 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
923 return;
924
925 usb_anchor_urb(urb, &data->diag_anchor);
926 usb_mark_last_busy(data->udev);
927
928 err = usb_submit_urb(urb, GFP_ATOMIC);
929 if (err < 0) {
930 /* -EPERM: urb is being killed;
931 * -ENODEV: device got disconnected */
932 if (err != -EPERM && err != -ENODEV)
933 BT_ERR("%s urb %p failed to resubmit (%d)",
934 hdev->name, urb, -err);
935 usb_unanchor_urb(urb);
936 }
937}
938
939static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
940{
941 struct btusb_data *data = hci_get_drvdata(hdev);
942 struct urb *urb;
943 unsigned char *buf;
944 unsigned int pipe;
945 int err, size = HCI_MAX_FRAME_SIZE;
946
947 BT_DBG("%s", hdev->name);
948
949 if (!data->diag_rx_ep)
950 return -ENODEV;
951
952 urb = usb_alloc_urb(0, mem_flags);
953 if (!urb)
954 return -ENOMEM;
955
956 buf = kmalloc(size, mem_flags);
957 if (!buf) {
958 usb_free_urb(urb);
959 return -ENOMEM;
960 }
961
962 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
963
964 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
965 btusb_diag_complete, hdev);
966
967 urb->transfer_flags |= URB_FREE_BUFFER;
968
969 usb_mark_last_busy(data->udev);
970 usb_anchor_urb(urb, &data->diag_anchor);
971
972 err = usb_submit_urb(urb, mem_flags);
973 if (err < 0) {
974 if (err != -EPERM && err != -ENODEV)
975 BT_ERR("%s urb %p submission failed (%d)",
976 hdev->name, urb, -err);
977 usb_unanchor_urb(urb);
978 }
979
980 usb_free_urb(urb);
981
982 return err;
983}
984
5e23b923 985static void btusb_tx_complete(struct urb *urb)
7bee549e
ON		 986{
987 struct sk_buff *skb = urb->context;
89e7533d 988 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
155961e8 989 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 990
89e7533d
MH		 991 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
992 urb->actual_length);
7bee549e
ON		 993
994 if (!test_bit(HCI_RUNNING, &hdev->flags))
995 goto done;
996
997 if (!urb->status)
998 hdev->stat.byte_tx += urb->transfer_buffer_length;
999 else
1000 hdev->stat.err_tx++;
1001
1002done:
1003 spin_lock(&data->txlock);
1004 data->tx_in_flight--;
1005 spin_unlock(&data->txlock);
1006
1007 kfree(urb->setup_packet);
1008
1009 kfree_skb(skb);
1010}
1011
1012static void btusb_isoc_tx_complete(struct urb *urb)
5e23b923
MH		 1013{
1014 struct sk_buff *skb = urb->context;
89e7533d 1015 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
5e23b923 1016
89e7533d
MH		 1017 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1018 urb->actual_length);
5e23b923
MH		 1019
1020 if (!test_bit(HCI_RUNNING, &hdev->flags))
1021 goto done;
1022
1023 if (!urb->status)
1024 hdev->stat.byte_tx += urb->transfer_buffer_length;
1025 else
1026 hdev->stat.err_tx++;
1027
1028done:
1029 kfree(urb->setup_packet);
1030
1031 kfree_skb(skb);
1032}
1033
1034static int btusb_open(struct hci_dev *hdev)
1035{
155961e8 1036 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1037 int err;
1038
1039 BT_DBG("%s", hdev->name);
1040
ace31982
KBYT		 1041 /* Patching USB firmware files prior to starting any URBs of HCI path
1042 * It is more safe to use USB bulk channel for downloading USB patch
1043 */
1044 if (data->setup_on_usb) {
1045 err = data->setup_on_usb(hdev);
eb50042f 1046 if (err < 0)
ace31982
KBYT		 1047 return err;
1048 }
1049
7bee549e
ON		 1050 err = usb_autopm_get_interface(data->intf);
1051 if (err < 0)
1052 return err;
1053
1054 data->intf->needs_remote_wakeup = 1;
1055
5e23b923 1056 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
7bee549e 1057 goto done;
5e23b923 1058
2eda66f4 1059 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
43c2e57f
MH		 1060 if (err < 0)
1061 goto failed;
1062
1063 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
5e23b923 1064 if (err < 0) {
43c2e57f
MH		 1065 usb_kill_anchored_urbs(&data->intr_anchor);
1066 goto failed;
5e23b923
MH		 1067 }
1068
43c2e57f
MH		 1069 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1070 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1071
9d08f504
MH		 1072 if (data->diag) {
1073 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1074 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1075 }
1076
7bee549e
ON		 1077done:
1078 usb_autopm_put_interface(data->intf);
43c2e57f
MH		 1079 return 0;
1080
1081failed:
1082 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 1083 usb_autopm_put_interface(data->intf);
5e23b923
MH		 1084 return err;
1085}
1086
7bee549e
ON		 1087static void btusb_stop_traffic(struct btusb_data *data)
1088{
1089 usb_kill_anchored_urbs(&data->intr_anchor);
1090 usb_kill_anchored_urbs(&data->bulk_anchor);
1091 usb_kill_anchored_urbs(&data->isoc_anchor);
9d08f504 1092 usb_kill_anchored_urbs(&data->diag_anchor);
7bee549e
ON		 1093}
1094
5e23b923
MH		 1095static int btusb_close(struct hci_dev *hdev)
1096{
155961e8 1097 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 1098 int err;
5e23b923
MH		 1099
1100 BT_DBG("%s", hdev->name);
1101
e8c3c3d2 1102 cancel_work_sync(&data->work);
404291ac 1103 cancel_work_sync(&data->waker);
e8c3c3d2 1104
9bfa35fe 1105 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
5e23b923 1106 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
5e23b923 1107 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
9d08f504 1108 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
7bee549e
ON		 1109
1110 btusb_stop_traffic(data);
803b5836
MH		 1111 btusb_free_frags(data);
1112
7bee549e
ON		 1113 err = usb_autopm_get_interface(data->intf);
1114 if (err < 0)
7b8e2c1d 1115 goto failed;
7bee549e
ON		 1116
1117 data->intf->needs_remote_wakeup = 0;
1118 usb_autopm_put_interface(data->intf);
5e23b923 1119
7b8e2c1d
ON		 1120failed:
1121 usb_scuttle_anchored_urbs(&data->deferred);
5e23b923
MH		 1122 return 0;
1123}
1124
1125static int btusb_flush(struct hci_dev *hdev)
1126{
155961e8 1127 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1128
1129 BT_DBG("%s", hdev->name);
1130
1131 usb_kill_anchored_urbs(&data->tx_anchor);
803b5836 1132 btusb_free_frags(data);
5e23b923
MH		 1133
1134 return 0;
1135}
1136
047b2ec8 1137static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
5e23b923 1138{
155961e8 1139 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1140 struct usb_ctrlrequest *dr;
1141 struct urb *urb;
1142 unsigned int pipe;
5e23b923 1143
047b2ec8
MH		 1144 urb = usb_alloc_urb(0, GFP_KERNEL);
1145 if (!urb)
1146 return ERR_PTR(-ENOMEM);
5e23b923 1147
047b2ec8
MH		 1148 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1149 if (!dr) {
1150 usb_free_urb(urb);
1151 return ERR_PTR(-ENOMEM);
1152 }
5e23b923 1153
047b2ec8 1154 dr->bRequestType = data->cmdreq_type;
893ba544 1155 dr->bRequest = data->cmdreq;
047b2ec8
MH		 1156 dr->wIndex = 0;
1157 dr->wValue = 0;
1158 dr->wLength = __cpu_to_le16(skb->len);
7bd8f09f 1159
047b2ec8 1160 pipe = usb_sndctrlpipe(data->udev, 0x00);
5e23b923 1161
89e7533d 1162 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
047b2ec8 1163 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1164
89e7533d 1165 skb->dev = (void *)hdev;
5e23b923 1166
047b2ec8
MH		 1167 return urb;
1168}
5e23b923 1169
047b2ec8
MH		 1170static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1171{
1172 struct btusb_data *data = hci_get_drvdata(hdev);
1173 struct urb *urb;
1174 unsigned int pipe;
5e23b923 1175
047b2ec8
MH		 1176 if (!data->bulk_tx_ep)
1177 return ERR_PTR(-ENODEV);
9bfa35fe 1178
047b2ec8
MH		 1179 urb = usb_alloc_urb(0, GFP_KERNEL);
1180 if (!urb)
1181 return ERR_PTR(-ENOMEM);
5e23b923 1182
047b2ec8 1183 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
5e23b923 1184
047b2ec8
MH		 1185 usb_fill_bulk_urb(urb, data->udev, pipe,
1186 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1187
89e7533d 1188 skb->dev = (void *)hdev;
5e23b923 1189
047b2ec8
MH		 1190 return urb;
1191}
9bfa35fe 1192
047b2ec8
MH		 1193static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1194{
1195 struct btusb_data *data = hci_get_drvdata(hdev);
1196 struct urb *urb;
1197 unsigned int pipe;
9bfa35fe 1198
047b2ec8
MH		 1199 if (!data->isoc_tx_ep)
1200 return ERR_PTR(-ENODEV);
9bfa35fe 1201
047b2ec8
MH		 1202 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1203 if (!urb)
1204 return ERR_PTR(-ENOMEM);
9bfa35fe 1205
047b2ec8 1206 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
9bfa35fe 1207
047b2ec8
MH		 1208 usb_fill_int_urb(urb, data->udev, pipe,
1209 skb->data, skb->len, btusb_isoc_tx_complete,
1210 skb, data->isoc_tx_ep->bInterval);
9bfa35fe 1211
047b2ec8 1212 urb->transfer_flags = URB_ISO_ASAP;
5e23b923 1213
047b2ec8
MH		 1214 __fill_isoc_descriptor(urb, skb->len,
1215 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
5e23b923 1216
89e7533d 1217 skb->dev = (void *)hdev;
047b2ec8
MH		 1218
1219 return urb;
1220}
1221
1222static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1223{
1224 struct btusb_data *data = hci_get_drvdata(hdev);
1225 int err;
7bee549e 1226
5e23b923
MH		 1227 usb_anchor_urb(urb, &data->tx_anchor);
1228
e9753eff 1229 err = usb_submit_urb(urb, GFP_KERNEL);
5e23b923 1230 if (err < 0) {
5a9b80e2
PB		 1231 if (err != -EPERM && err != -ENODEV)
1232 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 1233 hdev->name, urb, -err);
5e23b923
MH		 1234 kfree(urb->setup_packet);
1235 usb_unanchor_urb(urb);
7bee549e
ON		 1236 } else {
1237 usb_mark_last_busy(data->udev);
5e23b923
MH		 1238 }
1239
54a8a79c 1240 usb_free_urb(urb);
5e23b923
MH		 1241 return err;
1242}
1243
047b2ec8
MH		 1244static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1245{
1246 struct btusb_data *data = hci_get_drvdata(hdev);
1247 unsigned long flags;
1248 bool suspending;
1249
1250 spin_lock_irqsave(&data->txlock, flags);
1251 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1252 if (!suspending)
1253 data->tx_in_flight++;
1254 spin_unlock_irqrestore(&data->txlock, flags);
1255
1256 if (!suspending)
1257 return submit_tx_urb(hdev, urb);
1258
1259 usb_anchor_urb(urb, &data->deferred);
1260 schedule_work(&data->waker);
1261
1262 usb_free_urb(urb);
1263 return 0;
1264}
1265
1266static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1267{
1268 struct urb *urb;
1269
1270 BT_DBG("%s", hdev->name);
1271
618e8bc2 1272 switch (hci_skb_pkt_type(skb)) {
047b2ec8
MH		 1273 case HCI_COMMAND_PKT:
1274 urb = alloc_ctrl_urb(hdev, skb);
1275 if (IS_ERR(urb))
1276 return PTR_ERR(urb);
1277
1278 hdev->stat.cmd_tx++;
1279 return submit_or_queue_tx_urb(hdev, urb);
1280
1281 case HCI_ACLDATA_PKT:
1282 urb = alloc_bulk_urb(hdev, skb);
1283 if (IS_ERR(urb))
1284 return PTR_ERR(urb);
1285
1286 hdev->stat.acl_tx++;
1287 return submit_or_queue_tx_urb(hdev, urb);
1288
1289 case HCI_SCODATA_PKT:
1290 if (hci_conn_num(hdev, SCO_LINK) < 1)
1291 return -ENODEV;
1292
1293 urb = alloc_isoc_urb(hdev, skb);
1294 if (IS_ERR(urb))
1295 return PTR_ERR(urb);
1296
1297 hdev->stat.sco_tx++;
1298 return submit_tx_urb(hdev, urb);
1299 }
1300
1301 return -EILSEQ;
1302}
1303
5e23b923
MH		 1304static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1305{
155961e8 1306 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1307
1308 BT_DBG("%s evt %d", hdev->name, evt);
1309
014f7bc7
MH		 1310 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1311 data->sco_num = hci_conn_num(hdev, SCO_LINK);
43c2e57f 1312 schedule_work(&data->work);
a780efa8 1313 }
5e23b923
MH		 1314}
1315
42b16b3f 1316static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
9bfa35fe 1317{
155961e8 1318 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 1319 struct usb_interface *intf = data->isoc;
1320 struct usb_endpoint_descriptor *ep_desc;
1321 int i, err;
1322
1323 if (!data->isoc)
1324 return -ENODEV;
1325
1326 err = usb_set_interface(data->udev, 1, altsetting);
1327 if (err < 0) {
1328 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
1329 return err;
1330 }
1331
1332 data->isoc_altsetting = altsetting;
1333
1334 data->isoc_tx_ep = NULL;
1335 data->isoc_rx_ep = NULL;
1336
1337 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1338 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1339
1340 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1341 data->isoc_tx_ep = ep_desc;
1342 continue;
1343 }
1344
1345 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1346 data->isoc_rx_ep = ep_desc;
1347 continue;
1348 }
1349 }
1350
1351 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
1352 BT_ERR("%s invalid SCO descriptors", hdev->name);
1353 return -ENODEV;
1354 }
1355
1356 return 0;
1357}
1358
5e23b923
MH		 1359static void btusb_work(struct work_struct *work)
1360{
1361 struct btusb_data *data = container_of(work, struct btusb_data, work);
1362 struct hci_dev *hdev = data->hdev;
f4001d28 1363 int new_alts;
7bee549e 1364 int err;
5e23b923 1365
014f7bc7 1366 if (data->sco_num > 0) {
08b8b6c4 1367 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
8efdd0cd 1368 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
7bee549e
ON		 1369 if (err < 0) {
1370 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1371 usb_kill_anchored_urbs(&data->isoc_anchor);
1372 return;
1373 }
1374
08b8b6c4 1375 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
7bee549e 1376 }
f4001d28
MA		 1377
1378 if (hdev->voice_setting & 0x0020) {
1379 static const int alts[3] = { 2, 4, 5 };
89e7533d 1380
014f7bc7 1381 new_alts = alts[data->sco_num - 1];
f4001d28 1382 } else {
014f7bc7 1383 new_alts = data->sco_num;
f4001d28
MA		 1384 }
1385
1386 if (data->isoc_altsetting != new_alts) {
f6fc86f2
KP		 1387 unsigned long flags;
1388
9bfa35fe
MH		 1389 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1390 usb_kill_anchored_urbs(&data->isoc_anchor);
1391
8f9d02f4
KP		 1392 /* When isochronous alternate setting needs to be
1393 * changed, because SCO connection has been added
1394 * or removed, a packet fragment may be left in the
1395 * reassembling state. This could lead to wrongly
1396 * assembled fragments.
1397 *
1398 * Clear outstanding fragment when selecting a new
1399 * alternate setting.
1400 */
f6fc86f2 1401 spin_lock_irqsave(&data->rxlock, flags);
8f9d02f4
KP		 1402 kfree_skb(data->sco_skb);
1403 data->sco_skb = NULL;
f6fc86f2 1404 spin_unlock_irqrestore(&data->rxlock, flags);
8f9d02f4 1405
f4001d28 1406 if (__set_isoc_interface(hdev, new_alts) < 0)
9bfa35fe
MH		 1407 return;
1408 }
1409
1410 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2eda66f4 1411 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
9bfa35fe
MH		 1412 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1413 else
2eda66f4 1414 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
9bfa35fe
MH		 1415 }
1416 } else {
1417 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1418 usb_kill_anchored_urbs(&data->isoc_anchor);
1419
1420 __set_isoc_interface(hdev, 0);
08b8b6c4 1421 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
8efdd0cd 1422 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
5e23b923
MH		 1423 }
1424}
1425
7bee549e
ON		 1426static void btusb_waker(struct work_struct *work)
1427{
1428 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1429 int err;
1430
1431 err = usb_autopm_get_interface(data->intf);
1432 if (err < 0)
1433 return;
1434
1435 usb_autopm_put_interface(data->intf);
1436}
1437
9f8f962c
MH		 1438static int btusb_setup_bcm92035(struct hci_dev *hdev)
1439{
1440 struct sk_buff *skb;
1441 u8 val = 0x00;
1442
1443 BT_DBG("%s", hdev->name);
1444
1445 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1446 if (IS_ERR(skb))
1447 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
1448 else
1449 kfree_skb(skb);
1450
1451 return 0;
1452}
1453
81cac64b
MH		 1454static int btusb_setup_csr(struct hci_dev *hdev)
1455{
1456 struct hci_rp_read_local_version *rp;
1457 struct sk_buff *skb;
81cac64b
MH		 1458
1459 BT_DBG("%s", hdev->name);
1460
7cd84d72
MH		 1461 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1462 HCI_INIT_TIMEOUT);
1463 if (IS_ERR(skb)) {
1464 int err = PTR_ERR(skb);
1465 BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err);
1466 return err;
1467 }
1468
1469 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
1470 BT_ERR("%s: CSR: Local version length mismatch", hdev->name);
1471 kfree_skb(skb);
1472 return -EIO;
1473 }
81cac64b 1474
89e7533d 1475 rp = (struct hci_rp_read_local_version *)skb->data;
81cac64b 1476
6cafcd95
JH		 1477 /* Detect controllers which aren't real CSR ones. */
1478 if (le16_to_cpu(rp->manufacturer) != 10 ||
1479 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
9641d343
MH		 1480 /* Clear the reset quirk since this is not an actual
1481 * early Bluetooth 1.1 device from CSR.
1482 */
1483 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b 1484
9641d343
MH		 1485 /* These fake CSR controllers have all a broken
1486 * stored link key handling and so just disable it.
1487 */
1488 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
1489 }
81cac64b
MH		 1490
1491 kfree_skb(skb);
1492
9641d343 1493 return 0;
81cac64b
MH		 1494}
1495
dffd30ee 1496static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
89e7533d 1497 struct intel_version *ver)
dffd30ee
THJA		 1498{
1499 const struct firmware *fw;
1500 char fwname[64];
1501 int ret;
1502
1503 snprintf(fwname, sizeof(fwname),
1504 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1505 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1506 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1507 ver->fw_build_ww, ver->fw_build_yy);
1508
1509 ret = request_firmware(&fw, fwname, &hdev->dev);
1510 if (ret < 0) {
1511 if (ret == -EINVAL) {
1512 BT_ERR("%s Intel firmware file request failed (%d)",
1513 hdev->name, ret);
1514 return NULL;
1515 }
1516
1517 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1518 hdev->name, fwname, ret);
1519
1520 /* If the correct firmware patch file is not found, use the
1521 * default firmware patch file instead
1522 */
1523 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1524 ver->hw_platform, ver->hw_variant);
1525 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1526 BT_ERR("%s failed to open default Intel fw file: %s",
1527 hdev->name, fwname);
1528 return NULL;
1529 }
1530 }
1531
1532 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
1533
1534 return fw;
1535}
1536
1537static int btusb_setup_intel_patching(struct hci_dev *hdev,
1538 const struct firmware *fw,
1539 const u8 **fw_ptr, int *disable_patch)
1540{
1541 struct sk_buff *skb;
1542 struct hci_command_hdr *cmd;
1543 const u8 *cmd_param;
1544 struct hci_event_hdr *evt = NULL;
1545 const u8 *evt_param = NULL;
1546 int remain = fw->size - (*fw_ptr - fw->data);
1547
1548 /* The first byte indicates the types of the patch command or event.
1549 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1550 * in the current firmware buffer doesn't start with 0x01 or
1551 * the size of remain buffer is smaller than HCI command header,
1552 * the firmware file is corrupted and it should stop the patching
1553 * process.
1554 */
1555 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1556 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
1557 return -EINVAL;
1558 }
1559 (*fw_ptr)++;
1560 remain--;
1561
1562 cmd = (struct hci_command_hdr *)(*fw_ptr);
1563 *fw_ptr += sizeof(*cmd);
1564 remain -= sizeof(*cmd);
1565
1566 /* Ensure that the remain firmware data is long enough than the length
1567 * of command parameter. If not, the firmware file is corrupted.
1568 */
1569 if (remain < cmd->plen) {
1570 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
1571 return -EFAULT;
1572 }
1573
1574 /* If there is a command that loads a patch in the firmware
1575 * file, then enable the patch upon success, otherwise just
1576 * disable the manufacturer mode, for example patch activation
1577 * is not required when the default firmware patch file is used
1578 * because there are no patch data to load.
1579 */
1580 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1581 *disable_patch = 0;
1582
1583 cmd_param = *fw_ptr;
1584 *fw_ptr += cmd->plen;
1585 remain -= cmd->plen;
1586
1587 /* This reads the expected events when the above command is sent to the
1588 * device. Some vendor commands expects more than one events, for
1589 * example command status event followed by vendor specific event.
1590 * For this case, it only keeps the last expected event. so the command
1591 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1592 * last expected event.
1593 */
1594 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1595 (*fw_ptr)++;
1596 remain--;
1597
1598 evt = (struct hci_event_hdr *)(*fw_ptr);
1599 *fw_ptr += sizeof(*evt);
1600 remain -= sizeof(*evt);
1601
1602 if (remain < evt->plen) {
1603 BT_ERR("%s Intel fw corrupted: invalid evt len",
1604 hdev->name);
1605 return -EFAULT;
1606 }
1607
1608 evt_param = *fw_ptr;
1609 *fw_ptr += evt->plen;
1610 remain -= evt->plen;
1611 }
1612
1613 /* Every HCI commands in the firmware file has its correspond event.
1614 * If event is not found or remain is smaller than zero, the firmware
1615 * file is corrupted.
1616 */
1617 if (!evt || !evt_param || remain < 0) {
1618 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
1619 return -EFAULT;
1620 }
1621
1622 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1623 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1624 if (IS_ERR(skb)) {
1625 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1626 hdev->name, cmd->opcode, PTR_ERR(skb));
d9c78e97 1627 return PTR_ERR(skb);
dffd30ee
THJA		 1628 }
1629
1630 /* It ensures that the returned event matches the event data read from
1631 * the firmware file. At fist, it checks the length and then
1632 * the contents of the event.
1633 */
1634 if (skb->len != evt->plen) {
1635 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
1636 le16_to_cpu(cmd->opcode));
1637 kfree_skb(skb);
1638 return -EFAULT;
1639 }
1640
1641 if (memcmp(skb->data, evt_param, evt->plen)) {
1642 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1643 hdev->name, le16_to_cpu(cmd->opcode));
1644 kfree_skb(skb);
1645 return -EFAULT;
1646 }
1647 kfree_skb(skb);
1648
1649 return 0;
1650}
1651
1652static int btusb_setup_intel(struct hci_dev *hdev)
1653{
1654 struct sk_buff *skb;
1655 const struct firmware *fw;
1656 const u8 *fw_ptr;
28dc4b92 1657 int disable_patch, err;
6c483de1 1658 struct intel_version ver;
dffd30ee 1659
dffd30ee
THJA		 1660 BT_DBG("%s", hdev->name);
1661
1662 /* The controller has a bug with the first HCI command sent to it
1663 * returning number of completed commands as zero. This would stall the
1664 * command processing in the Bluetooth core.
1665 *
1666 * As a workaround, send HCI Reset command first which will reset the
1667 * number of completed commands and allow normal command processing
1668 * from now on.
1669 */
1670 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1671 if (IS_ERR(skb)) {
1672 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1673 hdev->name, PTR_ERR(skb));
d9c78e97 1674 return PTR_ERR(skb);
dffd30ee
THJA		 1675 }
1676 kfree_skb(skb);
1677
1678 /* Read Intel specific controller version first to allow selection of
1679 * which firmware file to load.
1680 *
1681 * The returned information are hardware variant and revision plus
1682 * firmware variant, revision and build number.
1683 */
6c483de1
LP		 1684 err = btintel_read_version(hdev, &ver);
1685 if (err)
1686 return err;
dffd30ee
THJA		 1687
1688 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
6c483de1
LP		 1689 hdev->name, ver.hw_platform, ver.hw_variant, ver.hw_revision,
1690 ver.fw_variant, ver.fw_revision, ver.fw_build_num,
1691 ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
dffd30ee
THJA		 1692
1693 /* fw_patch_num indicates the version of patch the device currently
1694 * have. If there is no patch data in the device, it is always 0x00.
5075edae 1695 * So, if it is other than 0x00, no need to patch the device again.
dffd30ee 1696 */
6c483de1 1697 if (ver.fw_patch_num) {
dffd30ee 1698 BT_INFO("%s: Intel device is already patched. patch num: %02x",
6c483de1 1699 hdev->name, ver.fw_patch_num);
213445b2 1700 goto complete;
dffd30ee
THJA		 1701 }
1702
1703 /* Opens the firmware patch file based on the firmware version read
1704 * from the controller. If it fails to open the matching firmware
1705 * patch file, it tries to open the default firmware patch file.
1706 * If no patch file is found, allow the device to operate without
1707 * a patch.
1708 */
6c483de1
LP		 1709 fw = btusb_setup_intel_get_fw(hdev, &ver);
1710 if (!fw)
213445b2 1711 goto complete;
dffd30ee
THJA		 1712 fw_ptr = fw->data;
1713
28dc4b92 1714 /* Enable the manufacturer mode of the controller.
dffd30ee
THJA		 1715 * Only while this mode is enabled, the driver can download the
1716 * firmware patch data and configuration parameters.
1717 */
28dc4b92
LP		 1718 err = btintel_enter_mfg(hdev);
1719 if (err) {
dffd30ee 1720 release_firmware(fw);
28dc4b92 1721 return err;
dffd30ee
THJA		 1722 }
1723
dffd30ee
THJA		 1724 disable_patch = 1;
1725
1726 /* The firmware data file consists of list of Intel specific HCI
1727 * commands and its expected events. The first byte indicates the
1728 * type of the message, either HCI command or HCI event.
1729 *
1730 * It reads the command and its expected event from the firmware file,
1731 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1732 * the returned event is compared with the event read from the firmware
1733 * file and it will continue until all the messages are downloaded to
1734 * the controller.
1735 *
1736 * Once the firmware patching is completed successfully,
1737 * the manufacturer mode is disabled with reset and activating the
1738 * downloaded patch.
1739 *
1740 * If the firmware patching fails, the manufacturer mode is
1741 * disabled with reset and deactivating the patch.
1742 *
1743 * If the default patch file is used, no reset is done when disabling
1744 * the manufacturer.
1745 */
1746 while (fw->size > fw_ptr - fw->data) {
1747 int ret;
1748
1749 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1750 &disable_patch);
1751 if (ret < 0)
1752 goto exit_mfg_deactivate;
1753 }
1754
1755 release_firmware(fw);
1756
1757 if (disable_patch)
1758 goto exit_mfg_disable;
1759
1760 /* Patching completed successfully and disable the manufacturer mode
1761 * with reset and activate the downloaded firmware patches.
1762 */
28dc4b92
LP		 1763 err = btintel_exit_mfg(hdev, true, true);
1764 if (err)
1765 return err;
dffd30ee
THJA		 1766
1767 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1768 hdev->name);
1769
213445b2 1770 goto complete;
dffd30ee
THJA		 1771
1772exit_mfg_disable:
1773 /* Disable the manufacturer mode without reset */
28dc4b92
LP		 1774 err = btintel_exit_mfg(hdev, false, false);
1775 if (err)
1776 return err;
dffd30ee
THJA		 1777
1778 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
40cb0984 1779
213445b2 1780 goto complete;
dffd30ee
THJA		 1781
1782exit_mfg_deactivate:
1783 release_firmware(fw);
1784
1785 /* Patching failed. Disable the manufacturer mode with reset and
1786 * deactivate the downloaded firmware patches.
1787 */
28dc4b92
LP		 1788 err = btintel_exit_mfg(hdev, true, false);
1789 if (err)
1790 return err;
dffd30ee
THJA		 1791
1792 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1793 hdev->name);
1794
213445b2
MH		 1795complete:
1796 /* Set the event mask for Intel specific vendor events. This enables
1797 * a few extra events that are useful during general operation.
1798 */
1799 btintel_set_event_mask_mfg(hdev, false);
1800
4185a0f5 1801 btintel_check_bdaddr(hdev);
dffd30ee
THJA		 1802 return 0;
1803}
1804
cda0dd78
MH		 1805static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1806{
1807 struct sk_buff *skb;
1808 struct hci_event_hdr *hdr;
1809 struct hci_ev_cmd_complete *evt;
1810
1811 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC);
1812 if (!skb)
1813 return -ENOMEM;
1814
1815 hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr));
1816 hdr->evt = HCI_EV_CMD_COMPLETE;
1817 hdr->plen = sizeof(*evt) + 1;
1818
1819 evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt));
1820 evt->ncmd = 0x01;
1821 evt->opcode = cpu_to_le16(opcode);
1822
1823 *skb_put(skb, 1) = 0x00;
1824
618e8bc2 1825 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
cda0dd78
MH		 1826
1827 return hci_recv_frame(hdev, skb);
1828}
1829
1830static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
1831 int count)
1832{
1833 /* When the device is in bootloader mode, then it can send
1834 * events via the bulk endpoint. These events are treated the
1835 * same way as the ones received from the interrupt endpoint.
1836 */
1837 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
1838 return btusb_recv_intr(data, buffer, count);
1839
1840 return btusb_recv_bulk(data, buffer, count);
1841}
1842
ccd6da2a
MH		 1843static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
1844 unsigned int len)
1845{
1846 const struct intel_bootup *evt = ptr;
1847
1848 if (len != sizeof(*evt))
1849 return;
1850
1851 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) {
1852 smp_mb__after_atomic();
1853 wake_up_bit(&data->flags, BTUSB_BOOTING);
1854 }
1855}
1856
1857static void btusb_intel_secure_send_result(struct btusb_data *data,
1858 const void *ptr, unsigned int len)
1859{
1860 const struct intel_secure_send_result *evt = ptr;
1861
1862 if (len != sizeof(*evt))
1863 return;
1864
1865 if (evt->result)
1866 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
1867
1868 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
1869 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) {
1870 smp_mb__after_atomic();
1871 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
1872 }
1873}
1874
cda0dd78
MH		 1875static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
1876{
1877 struct btusb_data *data = hci_get_drvdata(hdev);
1878
1879 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1880 struct hci_event_hdr *hdr = (void *)skb->data;
1881
ccd6da2a
MH		 1882 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
1883 hdr->plen > 0) {
1884 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
1885 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
1886
1887 switch (skb->data[2]) {
1888 case 0x02:
1889 /* When switching to the operational firmware
1890 * the device sends a vendor specific event
1891 * indicating that the bootup completed.
1892 */
1893 btusb_intel_bootup(data, ptr, len);
1894 break;
1895 case 0x06:
1896 /* When the firmware loading completes the
1897 * device sends out a vendor specific event
1898 * indicating the result of the firmware
1899 * loading.
1900 */
1901 btusb_intel_secure_send_result(data, ptr, len);
1902 break;
fad70972 1903 }
cda0dd78
MH		 1904 }
1905 }
1906
1907 return hci_recv_frame(hdev, skb);
1908}
1909
1910static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
1911{
1912 struct btusb_data *data = hci_get_drvdata(hdev);
1913 struct urb *urb;
1914
1915 BT_DBG("%s", hdev->name);
1916
618e8bc2 1917 switch (hci_skb_pkt_type(skb)) {
cda0dd78
MH		 1918 case HCI_COMMAND_PKT:
1919 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1920 struct hci_command_hdr *cmd = (void *)skb->data;
1921 __u16 opcode = le16_to_cpu(cmd->opcode);
1922
1923 /* When in bootloader mode and the command 0xfc09
1924 * is received, it needs to be send down the
1925 * bulk endpoint. So allocate a bulk URB instead.
1926 */
1927 if (opcode == 0xfc09)
1928 urb = alloc_bulk_urb(hdev, skb);
1929 else
1930 urb = alloc_ctrl_urb(hdev, skb);
1931
1932 /* When the 0xfc01 command is issued to boot into
1933 * the operational firmware, it will actually not
1934 * send a command complete event. To keep the flow
1935 * control working inject that event here.
1936 */
1937 if (opcode == 0xfc01)
1938 inject_cmd_complete(hdev, opcode);
1939 } else {
1940 urb = alloc_ctrl_urb(hdev, skb);
1941 }
1942 if (IS_ERR(urb))
1943 return PTR_ERR(urb);
1944
1945 hdev->stat.cmd_tx++;
1946 return submit_or_queue_tx_urb(hdev, urb);
1947
1948 case HCI_ACLDATA_PKT:
1949 urb = alloc_bulk_urb(hdev, skb);
1950 if (IS_ERR(urb))
1951 return PTR_ERR(urb);
1952
1953 hdev->stat.acl_tx++;
1954 return submit_or_queue_tx_urb(hdev, urb);
1955
1956 case HCI_SCODATA_PKT:
1957 if (hci_conn_num(hdev, SCO_LINK) < 1)
1958 return -ENODEV;
1959
1960 urb = alloc_isoc_urb(hdev, skb);
1961 if (IS_ERR(urb))
1962 return PTR_ERR(urb);
1963
1964 hdev->stat.sco_tx++;
1965 return submit_tx_urb(hdev, urb);
1966 }
1967
1968 return -EILSEQ;
1969}
1970
cda0dd78
MH		 1971static int btusb_setup_intel_new(struct hci_dev *hdev)
1972{
1973 static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01,
1974 0x00, 0x08, 0x04, 0x00 };
1975 struct btusb_data *data = hci_get_drvdata(hdev);
1976 struct sk_buff *skb;
6c483de1 1977 struct intel_version ver;
cda0dd78
MH		 1978 struct intel_boot_params *params;
1979 const struct firmware *fw;
1980 const u8 *fw_ptr;
e66890a9 1981 u32 frag_len;
cda0dd78
MH		 1982 char fwname[64];
1983 ktime_t calltime, delta, rettime;
1984 unsigned long long duration;
1985 int err;
1986
1987 BT_DBG("%s", hdev->name);
1988
1989 calltime = ktime_get();
1990
1991 /* Read the Intel version information to determine if the device
1992 * is in bootloader mode or if it already has operational firmware
1993 * loaded.
1994 */
6c483de1
LP		 1995 err = btintel_read_version(hdev, &ver);
1996 if (err)
1997 return err;
cda0dd78
MH		 1998
1999 /* The hardware platform number has a fixed value of 0x37 and
2000 * for now only accept this single value.
2001 */
6c483de1 2002 if (ver.hw_platform != 0x37) {
cda0dd78 2003 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
6c483de1 2004 hdev->name, ver.hw_platform);
cda0dd78
MH		 2005 return -EINVAL;
2006 }
2007
a0af53b5
THJA		 2008 /* At the moment the iBT 3.0 hardware variants 0x0b (LnP/SfP)
2009 * and 0x0c (WsP) are supported by this firmware loading method.
2010 *
2011 * This check has been put in place to ensure correct forward
2012 * compatibility options when newer hardware variants come along.
cda0dd78 2013 */
a0af53b5 2014 if (ver.hw_variant != 0x0b && ver.hw_variant != 0x0c) {
cda0dd78 2015 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
6c483de1 2016 hdev->name, ver.hw_variant);
cda0dd78
MH		 2017 return -EINVAL;
2018 }
2019
6c483de1 2020 btintel_version_info(hdev, &ver);
cda0dd78
MH		 2021
2022 /* The firmware variant determines if the device is in bootloader
2023 * mode or is running operational firmware. The value 0x06 identifies
2024 * the bootloader and the value 0x23 identifies the operational
2025 * firmware.
2026 *
2027 * When the operational firmware is already present, then only
2028 * the check for valid Bluetooth device address is needed. This
2029 * determines if the device will be added as configured or
2030 * unconfigured controller.
2031 *
2032 * It is not possible to use the Secure Boot Parameters in this
2033 * case since that command is only available in bootloader mode.
2034 */
6c483de1 2035 if (ver.fw_variant == 0x23) {
cda0dd78 2036 clear_bit(BTUSB_BOOTLOADER, &data->flags);
4185a0f5 2037 btintel_check_bdaddr(hdev);
cda0dd78
MH		 2038 return 0;
2039 }
2040
2041 /* If the device is not in bootloader mode, then the only possible
2042 * choice is to return an error and abort the device initialization.
2043 */
6c483de1 2044 if (ver.fw_variant != 0x06) {
cda0dd78 2045 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
6c483de1 2046 hdev->name, ver.fw_variant);
cda0dd78
MH		 2047 return -ENODEV;
2048 }
2049
cda0dd78
MH		 2050 /* Read the secure boot parameters to identify the operating
2051 * details of the bootloader.
2052 */
2053 skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT);
2054 if (IS_ERR(skb)) {
2055 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2056 hdev->name, PTR_ERR(skb));
2057 return PTR_ERR(skb);
2058 }
2059
2060 if (skb->len != sizeof(*params)) {
2061 BT_ERR("%s: Intel boot parameters size mismatch", hdev->name);
2062 kfree_skb(skb);
2063 return -EILSEQ;
2064 }
2065
2066 params = (struct intel_boot_params *)skb->data;
cda0dd78
MH		 2067
2068 BT_INFO("%s: Device revision is %u", hdev->name,
2069 le16_to_cpu(params->dev_revid));
2070
2071 BT_INFO("%s: Secure boot is %s", hdev->name,
2072 params->secure_boot ? "enabled" : "disabled");
2073
2220994e
MH		 2074 BT_INFO("%s: OTP lock is %s", hdev->name,
2075 params->otp_lock ? "enabled" : "disabled");
2076
2077 BT_INFO("%s: API lock is %s", hdev->name,
2078 params->api_lock ? "enabled" : "disabled");
2079
2080 BT_INFO("%s: Debug lock is %s", hdev->name,
2081 params->debug_lock ? "enabled" : "disabled");
2082
cda0dd78
MH		 2083 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name,
2084 params->min_fw_build_nn, params->min_fw_build_cw,
2085 2000 + params->min_fw_build_yy);
2086
2087 /* It is required that every single firmware fragment is acknowledged
2088 * with a command complete event. If the boot parameters indicate
2089 * that this bootloader does not send them, then abort the setup.
2090 */
2091 if (params->limited_cce != 0x00) {
2092 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2093 hdev->name, params->limited_cce);
2094 kfree_skb(skb);
2095 return -EINVAL;
2096 }
2097
2098 /* If the OTP has no valid Bluetooth device address, then there will
2099 * also be no valid address for the operational firmware.
2100 */
2101 if (!bacmp(&params->otp_bdaddr, BDADDR_ANY)) {
2102 BT_INFO("%s: No device address configured", hdev->name);
2103 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2104 }
2105
2106 /* With this Intel bootloader only the hardware variant and device
2107 * revision information are used to select the right firmware.
2108 *
230b04ac
THJA		 2109 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
2110 *
2111 * Currently the supported hardware variants are:
2112 * 11 (0x0b) for iBT3.0 (LnP/SfP)
2113 * 12 (0x0c) for iBT3.5 (WsP)
cda0dd78 2114 */
230b04ac
THJA		 2115 snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.sfi",
2116 le16_to_cpu(ver.hw_variant),
cda0dd78
MH		 2117 le16_to_cpu(params->dev_revid));
2118
2119 err = request_firmware(&fw, fwname, &hdev->dev);
2120 if (err < 0) {
2121 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2122 hdev->name, err);
2123 kfree_skb(skb);
2124 return err;
2125 }
2126
2127 BT_INFO("%s: Found device firmware: %s", hdev->name, fwname);
2128
52cc9168
THJA		 2129 /* Save the DDC file name for later use to apply once the firmware
2130 * downloading is done.
2131 */
230b04ac
THJA		 2132 snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.ddc",
2133 le16_to_cpu(ver.hw_variant),
52cc9168
THJA		 2134 le16_to_cpu(params->dev_revid));
2135
cda0dd78
MH		 2136 kfree_skb(skb);
2137
2138 if (fw->size < 644) {
2139 BT_ERR("%s: Invalid size of firmware file (%zu)",
2140 hdev->name, fw->size);
2141 err = -EBADF;
2142 goto done;
2143 }
2144
2145 set_bit(BTUSB_DOWNLOADING, &data->flags);
2146
2147 /* Start the firmware download transaction with the Init fragment
2148 * represented by the 128 bytes of CSS header.
2149 */
09df123d 2150 err = btintel_secure_send(hdev, 0x00, 128, fw->data);
cda0dd78
MH		 2151 if (err < 0) {
2152 BT_ERR("%s: Failed to send firmware header (%d)",
2153 hdev->name, err);
2154 goto done;
2155 }
2156
2157 /* Send the 256 bytes of public key information from the firmware
2158 * as the PKey fragment.
2159 */
09df123d 2160 err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
cda0dd78
MH		 2161 if (err < 0) {
2162 BT_ERR("%s: Failed to send firmware public key (%d)",
2163 hdev->name, err);
2164 goto done;
2165 }
2166
2167 /* Send the 256 bytes of signature information from the firmware
2168 * as the Sign fragment.
2169 */
09df123d 2170 err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
cda0dd78
MH		 2171 if (err < 0) {
2172 BT_ERR("%s: Failed to send firmware signature (%d)",
2173 hdev->name, err);
2174 goto done;
2175 }
2176
2177 fw_ptr = fw->data + 644;
e66890a9 2178 frag_len = 0;
cda0dd78
MH		 2179
2180 while (fw_ptr - fw->data < fw->size) {
e66890a9 2181 struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len);
cda0dd78 2182
e66890a9 2183 frag_len += sizeof(*cmd) + cmd->plen;
cda0dd78 2184
5075edae 2185 /* The parameter length of the secure send command requires
e66890a9
MH		 2186 * a 4 byte alignment. It happens so that the firmware file
2187 * contains proper Intel_NOP commands to align the fragments
2188 * as needed.
2189 *
2190 * Send set of commands with 4 byte alignment from the
2191 * firmware data buffer as a single Data fragement.
cda0dd78 2192 */
e66890a9 2193 if (!(frag_len % 4)) {
09df123d 2194 err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
e66890a9
MH		 2195 if (err < 0) {
2196 BT_ERR("%s: Failed to send firmware data (%d)",
2197 hdev->name, err);
2198 goto done;
2199 }
cda0dd78 2200
e66890a9
MH		 2201 fw_ptr += frag_len;
2202 frag_len = 0;
2203 }
cda0dd78
MH		 2204 }
2205
ce6bb929
MH		 2206 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2207
a087a98e
JH		 2208 BT_INFO("%s: Waiting for firmware download to complete", hdev->name);
2209
cda0dd78
MH		 2210 /* Before switching the device into operational mode and with that
2211 * booting the loaded firmware, wait for the bootloader notification
2212 * that all fragments have been successfully received.
2213 *
a087a98e
JH		 2214 * When the event processing receives the notification, then the
2215 * BTUSB_DOWNLOADING flag will be cleared.
2216 *
2217 * The firmware loading should not take longer than 5 seconds
2218 * and thus just timeout if that happens and fail the setup
2219 * of this device.
cda0dd78 2220 */
129a7693
JH		 2221 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2222 TASK_INTERRUPTIBLE,
2223 msecs_to_jiffies(5000));
f0a70a04 2224 if (err == -EINTR) {
a087a98e 2225 BT_ERR("%s: Firmware loading interrupted", hdev->name);
a087a98e
JH		 2226 goto done;
2227 }
cda0dd78 2228
a087a98e
JH		 2229 if (err) {
2230 BT_ERR("%s: Firmware loading timeout", hdev->name);
2231 err = -ETIMEDOUT;
2232 goto done;
cda0dd78
MH		 2233 }
2234
2235 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
2236 BT_ERR("%s: Firmware loading failed", hdev->name);
2237 err = -ENOEXEC;
2238 goto done;
2239 }
2240
2241 rettime = ktime_get();
2242 delta = ktime_sub(rettime, calltime);
2243 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2244
2245 BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration);
2246
2247done:
2248 release_firmware(fw);
2249
2250 if (err < 0)
2251 return err;
2252
2253 calltime = ktime_get();
2254
2255 set_bit(BTUSB_BOOTING, &data->flags);
2256
2257 skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param,
2258 HCI_INIT_TIMEOUT);
2259 if (IS_ERR(skb))
2260 return PTR_ERR(skb);
2261
2262 kfree_skb(skb);
2263
2264 /* The bootloader will not indicate when the device is ready. This
2265 * is done by the operational firmware sending bootup notification.
fad70972
JH		 2266 *
2267 * Booting into operational firmware should not take longer than
2268 * 1 second. However if that happens, then just fail the setup
2269 * since something went wrong.
cda0dd78 2270 */
fad70972 2271 BT_INFO("%s: Waiting for device to boot", hdev->name);
cda0dd78 2272
129a7693
JH		 2273 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2274 TASK_INTERRUPTIBLE,
2275 msecs_to_jiffies(1000));
cda0dd78 2276
f0a70a04 2277 if (err == -EINTR) {
fad70972
JH		 2278 BT_ERR("%s: Device boot interrupted", hdev->name);
2279 return -EINTR;
2280 }
cda0dd78 2281
fad70972
JH		 2282 if (err) {
2283 BT_ERR("%s: Device boot timeout", hdev->name);
2284 return -ETIMEDOUT;
cda0dd78
MH		 2285 }
2286
2287 rettime = ktime_get();
2288 delta = ktime_sub(rettime, calltime);
2289 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2290
2291 BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration);
2292
2293 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2294
52cc9168
THJA		 2295 /* Once the device is running in operational mode, it needs to apply
2296 * the device configuration (DDC) parameters.
2297 *
2298 * The device can work without DDC parameters, so even if it fails
2299 * to load the file, no need to fail the setup.
2300 */
e924d3d6 2301 btintel_load_ddc_config(hdev, fwname);
52cc9168 2302
213445b2
MH		 2303 /* Set the event mask for Intel specific vendor events. This enables
2304 * a few extra events that are useful during general operation. It
2305 * does not enable any debugging related events.
2306 *
2307 * The device will function correctly without these events enabled
2308 * and thus no need to fail the setup.
2309 */
2310 btintel_set_event_mask(hdev, false);
2311
cda0dd78
MH		 2312 return 0;
2313}
2314
bfbd45e9
THJA		 2315static int btusb_shutdown_intel(struct hci_dev *hdev)
2316{
2317 struct sk_buff *skb;
2318 long ret;
2319
2320 /* Some platforms have an issue with BT LED when the interface is
2321 * down or BT radio is turned off, which takes 5 seconds to BT LED
2322 * goes off. This command turns off the BT LED immediately.
2323 */
2324 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2325 if (IS_ERR(skb)) {
2326 ret = PTR_ERR(skb);
2327 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2328 hdev->name, ret);
2329 return ret;
2330 }
2331 kfree_skb(skb);
2332
2333 return 0;
2334}
2335
ae8df494
AK		 2336static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
2337 const bdaddr_t *bdaddr)
2338{
2339 struct sk_buff *skb;
2340 u8 buf[8];
2341 long ret;
2342
2343 buf[0] = 0xfe;
2344 buf[1] = sizeof(bdaddr_t);
2345 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
2346
2347 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2348 if (IS_ERR(skb)) {
2349 ret = PTR_ERR(skb);
2350 BT_ERR("%s: changing Marvell device address failed (%ld)",
2351 hdev->name, ret);
2352 return ret;
2353 }
2354 kfree_skb(skb);
2355
2356 return 0;
2357}
2358
5859223e
TK		 2359static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
2360 const bdaddr_t *bdaddr)
2361{
2362 struct sk_buff *skb;
2363 u8 buf[10];
2364 long ret;
2365
2366 buf[0] = 0x01;
2367 buf[1] = 0x01;
2368 buf[2] = 0x00;
2369 buf[3] = sizeof(bdaddr_t);
2370 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
2371
2372 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2373 if (IS_ERR(skb)) {
2374 ret = PTR_ERR(skb);
2375 BT_ERR("%s: Change address command failed (%ld)",
2376 hdev->name, ret);
2377 return ret;
2378 }
2379 kfree_skb(skb);
2380
2381 return 0;
2382}
2383
3267c884
KBYT		 2384#define QCA_DFU_PACKET_LEN 4096
2385
2386#define QCA_GET_TARGET_VERSION 0x09
2387#define QCA_CHECK_STATUS 0x05
2388#define QCA_DFU_DOWNLOAD 0x01
2389
2390#define QCA_SYSCFG_UPDATED 0x40
2391#define QCA_PATCH_UPDATED 0x80
2392#define QCA_DFU_TIMEOUT 3000
2393
2394struct qca_version {
2395 __le32 rom_version;
2396 __le32 patch_version;
2397 __le32 ram_version;
2398 __le32 ref_clock;
2399 __u8 reserved[4];
2400} __packed;
2401
2402struct qca_rampatch_version {
2403 __le16 rom_version;
2404 __le16 patch_version;
2405} __packed;
2406
2407struct qca_device_info {
bf906b3d
KBYT		 2408 u32 rom_version;
2409 u8 rampatch_hdr; /* length of header in rampatch */
2410 u8 nvm_hdr; /* length of header in NVM */
2411 u8 ver_offset; /* offset of version structure in rampatch */
3267c884
KBYT		 2412};
2413
2414static const struct qca_device_info qca_devices_table[] = {
2415 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2416 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
7f6e6363 2417 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
3267c884
KBYT		 2418 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2419 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2420 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2421};
2422
2423static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
2424 void *data, u16 size)
2425{
2426 struct btusb_data *btdata = hci_get_drvdata(hdev);
2427 struct usb_device *udev = btdata->udev;
2428 int pipe, err;
2429 u8 *buf;
2430
2431 buf = kmalloc(size, GFP_KERNEL);
2432 if (!buf)
2433 return -ENOMEM;
2434
2435 /* Found some of USB hosts have IOT issues with ours so that we should
2436 * not wait until HCI layer is ready.
2437 */
2438 pipe = usb_rcvctrlpipe(udev, 0);
2439 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
2440 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2441 if (err < 0) {
2442 BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err);
2443 goto done;
2444 }
2445
2446 memcpy(data, buf, size);
2447
2448done:
2449 kfree(buf);
2450
2451 return err;
2452}
2453
2454static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
2455 const struct firmware *firmware,
2456 size_t hdr_size)
2457{
2458 struct btusb_data *btdata = hci_get_drvdata(hdev);
2459 struct usb_device *udev = btdata->udev;
2460 size_t count, size, sent = 0;
2461 int pipe, len, err;
2462 u8 *buf;
2463
2464 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
2465 if (!buf)
2466 return -ENOMEM;
2467
2468 count = firmware->size;
2469
2470 size = min_t(size_t, count, hdr_size);
2471 memcpy(buf, firmware->data, size);
2472
2473 /* USB patches should go down to controller through USB path
2474 * because binary format fits to go down through USB channel.
2475 * USB control path is for patching headers and USB bulk is for
2476 * patch body.
2477 */
2478 pipe = usb_sndctrlpipe(udev, 0);
2479 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
2480 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2481 if (err < 0) {
2482 BT_ERR("%s: Failed to send headers (%d)", hdev->name, err);
2483 goto done;
2484 }
2485
2486 sent += size;
2487 count -= size;
2488
2489 while (count) {
2490 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
2491
2492 memcpy(buf, firmware->data + sent, size);
2493
2494 pipe = usb_sndbulkpipe(udev, 0x02);
2495 err = usb_bulk_msg(udev, pipe, buf, size, &len,
2496 QCA_DFU_TIMEOUT);
2497 if (err < 0) {
2498 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2499 hdev->name, sent, firmware->size, err);
2500 break;
2501 }
2502
2503 if (size != len) {
2504 BT_ERR("%s: Failed to get bulk buffer", hdev->name);
2505 err = -EILSEQ;
2506 break;
2507 }
2508
2509 sent += size;
2510 count -= size;
2511 }
2512
2513done:
2514 kfree(buf);
2515 return err;
2516}
2517
2518static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
2519 struct qca_version *ver,
2520 const struct qca_device_info *info)
2521{
2522 struct qca_rampatch_version *rver;
2523 const struct firmware *fw;
bf906b3d
KBYT		 2524 u32 ver_rom, ver_patch;
2525 u16 rver_rom, rver_patch;
3267c884
KBYT		 2526 char fwname[64];
2527 int err;
2528
bf906b3d
KBYT		 2529 ver_rom = le32_to_cpu(ver->rom_version);
2530 ver_patch = le32_to_cpu(ver->patch_version);
2531
2532 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
3267c884
KBYT		 2533
2534 err = request_firmware(&fw, fwname, &hdev->dev);
2535 if (err) {
2536 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2537 hdev->name, fwname, err);
2538 return err;
2539 }
2540
2541 BT_INFO("%s: using rampatch file: %s", hdev->name, fwname);
bf906b3d 2542
3267c884 2543 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
bf906b3d
KBYT		 2544 rver_rom = le16_to_cpu(rver->rom_version);
2545 rver_patch = le16_to_cpu(rver->patch_version);
2546
3267c884 2547 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
bf906b3d
KBYT		 2548 "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom,
2549 ver_patch);
3267c884 2550
bf906b3d 2551 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
3267c884
KBYT		 2552 BT_ERR("%s: rampatch file version did not match with firmware",
2553 hdev->name);
2554 err = -EINVAL;
2555 goto done;
2556 }
2557
2558 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
2559
2560done:
2561 release_firmware(fw);
2562
2563 return err;
2564}
2565
2566static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
2567 struct qca_version *ver,
2568 const struct qca_device_info *info)
2569{
2570 const struct firmware *fw;
2571 char fwname[64];
2572 int err;
2573
2574 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
2575 le32_to_cpu(ver->rom_version));
2576
2577 err = request_firmware(&fw, fwname, &hdev->dev);
2578 if (err) {
2579 BT_ERR("%s: failed to request NVM file: %s (%d)",
2580 hdev->name, fwname, err);
2581 return err;
2582 }
2583
2584 BT_INFO("%s: using NVM file: %s", hdev->name, fwname);
2585
2586 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
2587
2588 release_firmware(fw);
2589
2590 return err;
2591}
2592
2593static int btusb_setup_qca(struct hci_dev *hdev)
2594{
2595 const struct qca_device_info *info = NULL;
2596 struct qca_version ver;
bf906b3d 2597 u32 ver_rom;
3267c884
KBYT		 2598 u8 status;
2599 int i, err;
2600
2601 err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
eb50042f 2602 sizeof(ver));
3267c884
KBYT		 2603 if (err < 0)
2604 return err;
2605
bf906b3d 2606 ver_rom = le32_to_cpu(ver.rom_version);
3267c884 2607 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
bf906b3d 2608 if (ver_rom == qca_devices_table[i].rom_version)
3267c884
KBYT		 2609 info = &qca_devices_table[i];
2610 }
2611 if (!info) {
2612 BT_ERR("%s: don't support firmware rome 0x%x", hdev->name,
bf906b3d 2613 ver_rom);
3267c884
KBYT		 2614 return -ENODEV;
2615 }
2616
2617 err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status,
2618 sizeof(status));
2619 if (err < 0)
2620 return err;
2621
2622 if (!(status & QCA_PATCH_UPDATED)) {
2623 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
2624 if (err < 0)
2625 return err;
2626 }
2627
2628 if (!(status & QCA_SYSCFG_UPDATED)) {
2629 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
2630 if (err < 0)
2631 return err;
2632 }
2633
2634 return 0;
2635}
2636
9d08f504
MH		 2637#ifdef CONFIG_BT_HCIBTUSB_BCM
2638static inline int __set_diag_interface(struct hci_dev *hdev)
2639{
2640 struct btusb_data *data = hci_get_drvdata(hdev);
2641 struct usb_interface *intf = data->diag;
2642 int i;
2643
2644 if (!data->diag)
2645 return -ENODEV;
2646
2647 data->diag_tx_ep = NULL;
2648 data->diag_rx_ep = NULL;
2649
2650 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2651 struct usb_endpoint_descriptor *ep_desc;
2652
2653 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2654
2655 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2656 data->diag_tx_ep = ep_desc;
2657 continue;
2658 }
2659
2660 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2661 data->diag_rx_ep = ep_desc;
2662 continue;
2663 }
2664 }
2665
2666 if (!data->diag_tx_ep || !data->diag_rx_ep) {
2667 BT_ERR("%s invalid diagnostic descriptors", hdev->name);
2668 return -ENODEV;
2669 }
2670
2671 return 0;
2672}
2673
2674static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
2675{
2676 struct btusb_data *data = hci_get_drvdata(hdev);
2677 struct sk_buff *skb;
2678 struct urb *urb;
2679 unsigned int pipe;
2680
2681 if (!data->diag_tx_ep)
2682 return ERR_PTR(-ENODEV);
2683
2684 urb = usb_alloc_urb(0, GFP_KERNEL);
2685 if (!urb)
2686 return ERR_PTR(-ENOMEM);
2687
2688 skb = bt_skb_alloc(2, GFP_KERNEL);
2689 if (!skb) {
2690 usb_free_urb(urb);
2691 return ERR_PTR(-ENOMEM);
2692 }
2693
2694 *skb_put(skb, 1) = 0xf0;
2695 *skb_put(skb, 1) = enable;
2696
2697 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
2698
2699 usb_fill_bulk_urb(urb, data->udev, pipe,
2700 skb->data, skb->len, btusb_tx_complete, skb);
2701
2702 skb->dev = (void *)hdev;
2703
2704 return urb;
2705}
2706
2707static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
2708{
2709 struct btusb_data *data = hci_get_drvdata(hdev);
2710 struct urb *urb;
2711
2712 if (!data->diag)
2713 return -ENODEV;
2714
2715 if (!test_bit(HCI_RUNNING, &hdev->flags))
2716 return -ENETDOWN;
2717
2718 urb = alloc_diag_urb(hdev, enable);
2719 if (IS_ERR(urb))
2720 return PTR_ERR(urb);
2721
2722 return submit_or_queue_tx_urb(hdev, urb);
2723}
2724#endif
2725
5e23b923 2726static int btusb_probe(struct usb_interface *intf,
89e7533d 2727 const struct usb_device_id *id)
5e23b923
MH		 2728{
2729 struct usb_endpoint_descriptor *ep_desc;
2730 struct btusb_data *data;
2731 struct hci_dev *hdev;
22f8e9db 2732 unsigned ifnum_base;
5e23b923
MH		 2733 int i, err;
2734
2735 BT_DBG("intf %p id %p", intf, id);
2736
cfeb4145 2737 /* interface numbers are hardcoded in the spec */
22f8e9db
MH		 2738 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
2739 if (!(id->driver_info & BTUSB_IFNUM_2))
2740 return -ENODEV;
2741 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
2742 return -ENODEV;
2743 }
2744
2745 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
5e23b923
MH		 2746
2747 if (!id->driver_info) {
2748 const struct usb_device_id *match;
89e7533d 2749
5e23b923
MH		 2750 match = usb_match_id(intf, blacklist_table);
2751 if (match)
2752 id = match;
2753 }
2754
cfeb4145
MH		 2755 if (id->driver_info == BTUSB_IGNORE)
2756 return -ENODEV;
2757
2d25f8b4
SL		 2758 if (id->driver_info & BTUSB_ATH3012) {
2759 struct usb_device *udev = interface_to_usbdev(intf);
2760
2761 /* Old firmware would otherwise let ath3k driver load
2762 * patch and sysconfig files */
2763 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
2764 return -ENODEV;
2765 }
2766
98921dbd 2767 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
5e23b923
MH		 2768 if (!data)
2769 return -ENOMEM;
2770
2771 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2772 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2773
2774 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
2775 data->intr_ep = ep_desc;
2776 continue;
2777 }
2778
2779 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2780 data->bulk_tx_ep = ep_desc;
2781 continue;
2782 }
2783
2784 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2785 data->bulk_rx_ep = ep_desc;
2786 continue;
2787 }
2788 }
2789
98921dbd 2790 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
5e23b923 2791 return -ENODEV;
5e23b923 2792
893ba544
MH		 2793 if (id->driver_info & BTUSB_AMP) {
2794 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
2795 data->cmdreq = 0x2b;
2796 } else {
2797 data->cmdreq_type = USB_TYPE_CLASS;
2798 data->cmdreq = 0x00;
2799 }
7a9d4020 2800
5e23b923 2801 data->udev = interface_to_usbdev(intf);
5fbcd260 2802 data->intf = intf;
5e23b923 2803
5e23b923 2804 INIT_WORK(&data->work, btusb_work);
7bee549e 2805 INIT_WORK(&data->waker, btusb_waker);
803b5836
MH		 2806 init_usb_anchor(&data->deferred);
2807 init_usb_anchor(&data->tx_anchor);
7bee549e 2808 spin_lock_init(&data->txlock);
5e23b923 2809
5e23b923
MH		 2810 init_usb_anchor(&data->intr_anchor);
2811 init_usb_anchor(&data->bulk_anchor);
9bfa35fe 2812 init_usb_anchor(&data->isoc_anchor);
9d08f504 2813 init_usb_anchor(&data->diag_anchor);
803b5836 2814 spin_lock_init(&data->rxlock);
5e23b923 2815
cda0dd78
MH		 2816 if (id->driver_info & BTUSB_INTEL_NEW) {
2817 data->recv_event = btusb_recv_event_intel;
2818 data->recv_bulk = btusb_recv_bulk_intel;
2819 set_bit(BTUSB_BOOTLOADER, &data->flags);
2820 } else {
2821 data->recv_event = hci_recv_frame;
2822 data->recv_bulk = btusb_recv_bulk;
2823 }
2cbd3f5c 2824
5e23b923 2825 hdev = hci_alloc_dev();
98921dbd 2826 if (!hdev)
5e23b923 2827 return -ENOMEM;
5e23b923 2828
c13854ce 2829 hdev->bus = HCI_USB;
155961e8 2830 hci_set_drvdata(hdev, data);
5e23b923 2831
893ba544
MH		 2832 if (id->driver_info & BTUSB_AMP)
2833 hdev->dev_type = HCI_AMP;
2834 else
ca8bee5d 2835 hdev->dev_type = HCI_PRIMARY;
893ba544 2836
5e23b923
MH		 2837 data->hdev = hdev;
2838
2839 SET_HCIDEV_DEV(hdev, &intf->dev);
2840
9f8f962c
MH		 2841 hdev->open = btusb_open;
2842 hdev->close = btusb_close;
2843 hdev->flush = btusb_flush;
2844 hdev->send = btusb_send_frame;
2845 hdev->notify = btusb_notify;
2846
6c9d435d
MH		 2847 if (id->driver_info & BTUSB_BCM2045)
2848 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
2849
9f8f962c
MH		 2850 if (id->driver_info & BTUSB_BCM92035)
2851 hdev->setup = btusb_setup_bcm92035;
5e23b923 2852
c2bfb100 2853#ifdef CONFIG_BT_HCIBTUSB_BCM
abbaf50e 2854 if (id->driver_info & BTUSB_BCM_PATCHRAM) {
49a5f782 2855 hdev->manufacturer = 15;
c2bfb100 2856 hdev->setup = btbcm_setup_patchram;
9d08f504 2857 hdev->set_diag = btusb_bcm_set_diag;
1df1f591 2858 hdev->set_bdaddr = btbcm_set_bdaddr;
9d08f504
MH		 2859
2860 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 2861 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
abbaf50e 2862 }
10d4c673 2863
9d08f504 2864 if (id->driver_info & BTUSB_BCM_APPLE) {
49a5f782 2865 hdev->manufacturer = 15;
c2bfb100 2866 hdev->setup = btbcm_setup_apple;
9d08f504
MH		 2867 hdev->set_diag = btusb_bcm_set_diag;
2868
2869 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 2870 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
9d08f504 2871 }
c2bfb100 2872#endif
17b2772b 2873
cb8d6597 2874 if (id->driver_info & BTUSB_INTEL) {
49a5f782 2875 hdev->manufacturer = 2;
dffd30ee 2876 hdev->setup = btusb_setup_intel;
bfbd45e9 2877 hdev->shutdown = btusb_shutdown_intel;
3e24767b 2878 hdev->set_diag = btintel_set_diag_mfg;
4185a0f5 2879 hdev->set_bdaddr = btintel_set_bdaddr;
c33fb9b4 2880 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
c1154842 2881 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3e24767b 2882 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
cb8d6597 2883 }
dffd30ee 2884
cda0dd78 2885 if (id->driver_info & BTUSB_INTEL_NEW) {
49a5f782 2886 hdev->manufacturer = 2;
cda0dd78
MH		 2887 hdev->send = btusb_send_frame_intel;
2888 hdev->setup = btusb_setup_intel_new;
eeb6abe9 2889 hdev->hw_error = btintel_hw_error;
6d2e50d2 2890 hdev->set_diag = btintel_set_diag;
4185a0f5 2891 hdev->set_bdaddr = btintel_set_bdaddr;
b970c5ba 2892 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
d8270fbb 2893 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
cda0dd78
MH		 2894 }
2895
ae8df494
AK		 2896 if (id->driver_info & BTUSB_MARVELL)
2897 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
2898
661cf88a
MH		 2899 if (id->driver_info & BTUSB_SWAVE) {
2900 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
d57dbe77 2901 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
661cf88a 2902 }
d57dbe77 2903
e4c534bb
MH		 2904 if (id->driver_info & BTUSB_INTEL_BOOT) {
2905 hdev->manufacturer = 2;
40df783d 2906 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
e4c534bb 2907 }
40df783d 2908
79f0c87d 2909 if (id->driver_info & BTUSB_ATH3012) {
5859223e 2910 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3d50d51a 2911 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
79f0c87d
JP		 2912 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
2913 }
5859223e 2914
3267c884
KBYT		 2915 if (id->driver_info & BTUSB_QCA_ROME) {
2916 data->setup_on_usb = btusb_setup_qca;
2917 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
2918 }
2919
db33c77d 2920#ifdef CONFIG_BT_HCIBTUSB_RTL
04b8c814 2921 if (id->driver_info & BTUSB_REALTEK) {
db33c77d 2922 hdev->setup = btrtl_setup_realtek;
04b8c814
DD		 2923
2924 /* Realtek devices lose their updated firmware over suspend,
2925 * but the USB hub doesn't notice any status change.
2926 * Explicitly request a device reset on resume.
2927 */
2928 set_bit(BTUSB_RESET_RESUME, &data->flags);
2929 }
db33c77d 2930#endif
a2698a9b 2931
893ba544
MH		 2932 if (id->driver_info & BTUSB_AMP) {
2933 /* AMP controllers do not support SCO packets */
2934 data->isoc = NULL;
2935 } else {
22f8e9db
MH		 2936 /* Interface orders are hardcoded in the specification */
2937 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
893ba544 2938 }
9bfa35fe 2939
7a9d4020 2940 if (!reset)
a6c511c6 2941 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
cfeb4145
MH		 2942
2943 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
2944 if (!disable_scofix)
2945 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
2946 }
2947
9bfa35fe
MH		 2948 if (id->driver_info & BTUSB_BROKEN_ISOC)
2949 data->isoc = NULL;
2950
7a9d4020
MH		 2951 if (id->driver_info & BTUSB_DIGIANSWER) {
2952 data->cmdreq_type = USB_TYPE_VENDOR;
a6c511c6 2953 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
7a9d4020
MH		 2954 }
2955
2956 if (id->driver_info & BTUSB_CSR) {
2957 struct usb_device *udev = data->udev;
81cac64b 2958 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
7a9d4020
MH		 2959
2960 /* Old firmware would otherwise execute USB reset */
81cac64b 2961 if (bcdDevice < 0x117)
a6c511c6 2962 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b
MH		 2963
2964 /* Fake CSR devices with broken commands */
6cafcd95 2965 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
81cac64b 2966 hdev->setup = btusb_setup_csr;
49c989a0
JP		 2967
2968 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
7a9d4020
MH		 2969 }
2970
cfeb4145 2971 if (id->driver_info & BTUSB_SNIFFER) {
9bfa35fe 2972 struct usb_device *udev = data->udev;
cfeb4145 2973
7a9d4020 2974 /* New sniffer firmware has crippled HCI interface */
cfeb4145
MH		 2975 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
2976 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
2977 }
2978
3a5ef20c
MH		 2979 if (id->driver_info & BTUSB_INTEL_BOOT) {
2980 /* A bug in the bootloader causes that interrupt interface is
2981 * only enabled after receiving SetInterface(0, AltSetting=0).
2982 */
2983 err = usb_set_interface(data->udev, 0, 0);
2984 if (err < 0) {
2985 BT_ERR("failed to set interface 0, alt 0 %d", err);
2986 hci_free_dev(hdev);
2987 return err;
2988 }
2989 }
2990
9bfa35fe
MH		 2991 if (data->isoc) {
2992 err = usb_driver_claim_interface(&btusb_driver,
89e7533d 2993 data->isoc, data);
9bfa35fe
MH		 2994 if (err < 0) {
2995 hci_free_dev(hdev);
9bfa35fe
MH		 2996 return err;
2997 }
2998 }
2999
9d08f504
MH		 3000#ifdef CONFIG_BT_HCIBTUSB_BCM
3001 if (data->diag) {
3002 if (!usb_driver_claim_interface(&btusb_driver,
3003 data->diag, data))
3004 __set_diag_interface(hdev);
3005 else
3006 data->diag = NULL;
3007 }
3008#endif
3009
5e23b923
MH		 3010 err = hci_register_dev(hdev);
3011 if (err < 0) {
3012 hci_free_dev(hdev);
5e23b923
MH		 3013 return err;
3014 }
3015
3016 usb_set_intfdata(intf, data);
3017
3018 return 0;
3019}
3020
3021static void btusb_disconnect(struct usb_interface *intf)
3022{
3023 struct btusb_data *data = usb_get_intfdata(intf);
3024 struct hci_dev *hdev;
3025
3026 BT_DBG("intf %p", intf);
3027
3028 if (!data)
3029 return;
3030
3031 hdev = data->hdev;
5fbcd260
MH		 3032 usb_set_intfdata(data->intf, NULL);
3033
3034 if (data->isoc)
3035 usb_set_intfdata(data->isoc, NULL);
5e23b923 3036
9d08f504
MH		 3037 if (data->diag)
3038 usb_set_intfdata(data->diag, NULL);
3039
5e23b923
MH		 3040 hci_unregister_dev(hdev);
3041
9d08f504
MH		 3042 if (intf == data->intf) {
3043 if (data->isoc)
3044 usb_driver_release_interface(&btusb_driver, data->isoc);
3045 if (data->diag)
3046 usb_driver_release_interface(&btusb_driver, data->diag);
3047 } else if (intf == data->isoc) {
3048 if (data->diag)
3049 usb_driver_release_interface(&btusb_driver, data->diag);
5fbcd260 3050 usb_driver_release_interface(&btusb_driver, data->intf);
9d08f504
MH		 3051 } else if (intf == data->diag) {
3052 usb_driver_release_interface(&btusb_driver, data->intf);
3053 if (data->isoc)
3054 usb_driver_release_interface(&btusb_driver, data->isoc);
3055 }
5fbcd260 3056
5e23b923
MH		 3057 hci_free_dev(hdev);
3058}
3059
7bee549e 3060#ifdef CONFIG_PM
6a88adf2
MH		 3061static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
3062{
3063 struct btusb_data *data = usb_get_intfdata(intf);
3064
3065 BT_DBG("intf %p", intf);
3066
3067 if (data->suspend_count++)
3068 return 0;
3069
7bee549e 3070 spin_lock_irq(&data->txlock);
5b1b0b81 3071 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
7bee549e
ON		 3072 set_bit(BTUSB_SUSPENDING, &data->flags);
3073 spin_unlock_irq(&data->txlock);
3074 } else {
3075 spin_unlock_irq(&data->txlock);
3076 data->suspend_count--;
3077 return -EBUSY;
3078 }
3079
6a88adf2
MH		 3080 cancel_work_sync(&data->work);
3081
7bee549e 3082 btusb_stop_traffic(data);
6a88adf2
MH		 3083 usb_kill_anchored_urbs(&data->tx_anchor);
3084
04b8c814
DD		 3085 /* Optionally request a device reset on resume, but only when
3086 * wakeups are disabled. If wakeups are enabled we assume the
3087 * device will stay powered up throughout suspend.
3088 */
3089 if (test_bit(BTUSB_RESET_RESUME, &data->flags) &&
3090 !device_may_wakeup(&data->udev->dev))
3091 data->udev->reset_resume = 1;
3092
6a88adf2
MH		 3093 return 0;
3094}
3095
7bee549e
ON		 3096static void play_deferred(struct btusb_data *data)
3097{
3098 struct urb *urb;
3099 int err;
3100
3101 while ((urb = usb_get_from_anchor(&data->deferred))) {
3102 err = usb_submit_urb(urb, GFP_ATOMIC);
3103 if (err < 0)
3104 break;
3105
3106 data->tx_in_flight++;
3107 }
3108 usb_scuttle_anchored_urbs(&data->deferred);
3109}
3110
6a88adf2
MH		 3111static int btusb_resume(struct usb_interface *intf)
3112{
3113 struct btusb_data *data = usb_get_intfdata(intf);
3114 struct hci_dev *hdev = data->hdev;
7bee549e 3115 int err = 0;
6a88adf2
MH		 3116
3117 BT_DBG("intf %p", intf);
3118
3119 if (--data->suspend_count)
3120 return 0;
3121
3122 if (!test_bit(HCI_RUNNING, &hdev->flags))
7bee549e 3123 goto done;
6a88adf2
MH		 3124
3125 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
3126 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
3127 if (err < 0) {
3128 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 3129 goto failed;
6a88adf2
MH		 3130 }
3131 }
3132
3133 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
43c2e57f
MH		 3134 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
3135 if (err < 0) {
6a88adf2 3136 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
7bee549e
ON		 3137 goto failed;
3138 }
3139
3140 btusb_submit_bulk_urb(hdev, GFP_NOIO);
6a88adf2
MH		 3141 }
3142
3143 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
3144 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
3145 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3146 else
3147 btusb_submit_isoc_urb(hdev, GFP_NOIO);
3148 }
3149
7bee549e
ON		 3150 spin_lock_irq(&data->txlock);
3151 play_deferred(data);
3152 clear_bit(BTUSB_SUSPENDING, &data->flags);
3153 spin_unlock_irq(&data->txlock);
3154 schedule_work(&data->work);
3155
6a88adf2 3156 return 0;
7bee549e
ON		 3157
3158failed:
3159 usb_scuttle_anchored_urbs(&data->deferred);
3160done:
3161 spin_lock_irq(&data->txlock);
3162 clear_bit(BTUSB_SUSPENDING, &data->flags);
3163 spin_unlock_irq(&data->txlock);
3164
3165 return err;
6a88adf2 3166}
7bee549e 3167#endif
6a88adf2 3168
5e23b923
MH		 3169static struct usb_driver btusb_driver = {
3170 .name = "btusb",
3171 .probe = btusb_probe,
3172 .disconnect = btusb_disconnect,
7bee549e 3173#ifdef CONFIG_PM
6a88adf2
MH		 3174 .suspend = btusb_suspend,
3175 .resume = btusb_resume,
7bee549e 3176#endif
5e23b923 3177 .id_table = btusb_table,
7bee549e 3178 .supports_autosuspend = 1,
e1f12eb6 3179 .disable_hub_initiated_lpm = 1,
5e23b923
MH		 3180};
3181
93f1508c 3182module_usb_driver(btusb_driver);
5e23b923 3183
cfeb4145
MH		 3184module_param(disable_scofix, bool, 0644);
3185MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
3186
3187module_param(force_scofix, bool, 0644);
3188MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
3189
3190module_param(reset, bool, 0644);
3191MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
3192
5e23b923
MH		 3193MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3194MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
3195MODULE_VERSION(VERSION);
3196MODULE_LICENSE("GPL");
Mirror https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git