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Bluetooth: Add support for Intel Bluetooth device 8265 [8087:0a2b]
[mirror_ubuntu-zesty-kernel.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
36877fcd
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 },
fad19e1a 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 },
bed0fde2 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 },
d5bf33b8 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 },
747a4b4f 237 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
0d0cef61 238 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
d9f51b51 239
e9036e33
CYC		 240 /* Atheros AR5BBU12 with sflash firmware */
241 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
242
85d59726 243 /* Atheros AR5BBU12 with sflash firmware */
bc21fde2 244 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
0b880062 245 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
85d59726 246
3267c884 247 /* QCA ROME chipset */
2054111b 248 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
c9e44474
MH		 249 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
250 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
3267c884 251
cfeb4145 252 /* Broadcom BCM2035 */
7a9d4020 253 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
0b880062
AS		 254 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
255 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 256
257 /* Broadcom BCM2045 */
7a9d4020
MH		 258 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
259 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
bdbef3d6 260
cfeb4145 261 /* IBM/Lenovo ThinkPad with Broadcom chip */
7a9d4020
MH		 262 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
263 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 264
265 /* HP laptop with Broadcom chip */
7a9d4020 266 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 267
268 /* Dell laptop with Broadcom chip */
7a9d4020 269 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 270
5ddd4a60 271 /* Dell Wireless 370 and 410 devices */
7a9d4020 272 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
5ddd4a60 273 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 274
7a9d4020
MH		 275 /* Belkin F8T012 and F8T013 devices */
276 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
277 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 278
5ddd4a60
MH		 279 /* Asus WL-BTD202 device */
280 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
281
282 /* Kensington Bluetooth USB adapter */
283 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
284
cfeb4145
MH		 285 /* RTX Telecom based adapters with buggy SCO support */
286 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
287 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
288
289 /* CONWISE Technology based adapters with buggy SCO support */
290 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
291
4fcef8ed 292 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
2eeac871 293 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
4fcef8ed 294
cfeb4145
MH		 295 /* Digianswer devices */
296 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
297 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
298
299 /* CSR BlueCore Bluetooth Sniffer */
4f64fa80
MH		 300 { USB_DEVICE(0x0a12, 0x0002),
301 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145
MH		 302
303 /* Frontline ComProbe Bluetooth Sniffer */
4f64fa80
MH		 304 { USB_DEVICE(0x16d3, 0x0002),
305 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145 306
cb1ee89f
MH		 307 /* Marvell Bluetooth devices */
308 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
309 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
310
d0ac9eb7 311 /* Intel Bluetooth devices */
407550fe 312 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
dffd30ee 313 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
ef4e5e4a 314 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
cda0dd78 315 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
dffd30ee 316
d0ac9eb7
MH		 317 /* Other Intel Bluetooth devices */
318 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
319 .driver_info = BTUSB_IGNORE },
ae8df494 320
a2698a9b
DD		 321 /* Realtek Bluetooth devices */
322 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
323 .driver_info = BTUSB_REALTEK },
324
325 /* Additional Realtek 8723AE Bluetooth devices */
326 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
327 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
328
329 /* Additional Realtek 8723BE Bluetooth devices */
330 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
331 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
332 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
333 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
334 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
335
336 /* Additional Realtek 8821AE Bluetooth devices */
337 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
338 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
339 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
340 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
341 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
342
4481c076
PP		 343 /* Silicon Wave based devices */
344 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
345
5e23b923
MH		 346 { } /* Terminating entry */
347};
348
9bfa35fe
MH		 349#define BTUSB_MAX_ISOC_FRAMES 10
350
5e23b923
MH		 351#define BTUSB_INTR_RUNNING 0
352#define BTUSB_BULK_RUNNING 1
9bfa35fe 353#define BTUSB_ISOC_RUNNING 2
7bee549e 354#define BTUSB_SUSPENDING 3
08b8b6c4 355#define BTUSB_DID_ISO_RESUME 4
cda0dd78
MH		 356#define BTUSB_BOOTLOADER 5
357#define BTUSB_DOWNLOADING 6
ce6bb929 358#define BTUSB_FIRMWARE_LOADED 7
cda0dd78 359#define BTUSB_FIRMWARE_FAILED 8
ce6bb929 360#define BTUSB_BOOTING 9
04b8c814 361#define BTUSB_RESET_RESUME 10
9d08f504 362#define BTUSB_DIAG_RUNNING 11
5e23b923
MH		 363
364struct btusb_data {
365 struct hci_dev *hdev;
366 struct usb_device *udev;
5fbcd260 367 struct usb_interface *intf;
9bfa35fe 368 struct usb_interface *isoc;
9d08f504 369 struct usb_interface *diag;
5e23b923 370
5e23b923
MH		 371 unsigned long flags;
372
373 struct work_struct work;
7bee549e 374 struct work_struct waker;
5e23b923 375
803b5836 376 struct usb_anchor deferred;
5e23b923 377 struct usb_anchor tx_anchor;
803b5836
MH		 378 int tx_in_flight;
379 spinlock_t txlock;
380
5e23b923
MH		 381 struct usb_anchor intr_anchor;
382 struct usb_anchor bulk_anchor;
9bfa35fe 383 struct usb_anchor isoc_anchor;
9d08f504 384 struct usb_anchor diag_anchor;
803b5836
MH		 385 spinlock_t rxlock;
386
387 struct sk_buff *evt_skb;
388 struct sk_buff *acl_skb;
389 struct sk_buff *sco_skb;
5e23b923
MH		 390
391 struct usb_endpoint_descriptor *intr_ep;
392 struct usb_endpoint_descriptor *bulk_tx_ep;
393 struct usb_endpoint_descriptor *bulk_rx_ep;
9bfa35fe
MH		 394 struct usb_endpoint_descriptor *isoc_tx_ep;
395 struct usb_endpoint_descriptor *isoc_rx_ep;
9d08f504
MH		 396 struct usb_endpoint_descriptor *diag_tx_ep;
397 struct usb_endpoint_descriptor *diag_rx_ep;
9bfa35fe 398
7a9d4020 399 __u8 cmdreq_type;
893ba544 400 __u8 cmdreq;
7a9d4020 401
43c2e57f 402 unsigned int sco_num;
9bfa35fe 403 int isoc_altsetting;
6a88adf2 404 int suspend_count;
2cbd3f5c 405
97307f51 406 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
2cbd3f5c 407 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
ace31982
KBYT		 408
409 int (*setup_on_usb)(struct hci_dev *hdev);
5e23b923
MH		 410};
411
803b5836
MH		 412static inline void btusb_free_frags(struct btusb_data *data)
413{
414 unsigned long flags;
415
416 spin_lock_irqsave(&data->rxlock, flags);
417
418 kfree_skb(data->evt_skb);
419 data->evt_skb = NULL;
420
421 kfree_skb(data->acl_skb);
422 data->acl_skb = NULL;
423
424 kfree_skb(data->sco_skb);
425 data->sco_skb = NULL;
426
427 spin_unlock_irqrestore(&data->rxlock, flags);
428}
429
1ffa4ad0
MH		 430static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
431{
803b5836
MH		 432 struct sk_buff *skb;
433 int err = 0;
434
435 spin_lock(&data->rxlock);
436 skb = data->evt_skb;
437
438 while (count) {
439 int len;
440
441 if (!skb) {
442 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
443 if (!skb) {
444 err = -ENOMEM;
445 break;
446 }
447
448 bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
449 bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE;
450 }
451
452 len = min_t(uint, bt_cb(skb)->expect, count);
453 memcpy(skb_put(skb, len), buffer, len);
454
455 count -= len;
456 buffer += len;
457 bt_cb(skb)->expect -= len;
458
459 if (skb->len == HCI_EVENT_HDR_SIZE) {
460 /* Complete event header */
461 bt_cb(skb)->expect = hci_event_hdr(skb)->plen;
462
463 if (skb_tailroom(skb) < bt_cb(skb)->expect) {
464 kfree_skb(skb);
465 skb = NULL;
466
467 err = -EILSEQ;
468 break;
469 }
470 }
471
472 if (bt_cb(skb)->expect == 0) {
473 /* Complete frame */
97307f51 474 data->recv_event(data->hdev, skb);
803b5836
MH		 475 skb = NULL;
476 }
477 }
478
479 data->evt_skb = skb;
480 spin_unlock(&data->rxlock);
481
482 return err;
1ffa4ad0
MH		 483}
484
485static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
486{
803b5836
MH		 487 struct sk_buff *skb;
488 int err = 0;
489
490 spin_lock(&data->rxlock);
491 skb = data->acl_skb;
492
493 while (count) {
494 int len;
495
496 if (!skb) {
497 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
498 if (!skb) {
499 err = -ENOMEM;
500 break;
501 }
502
503 bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
504 bt_cb(skb)->expect = HCI_ACL_HDR_SIZE;
505 }
506
507 len = min_t(uint, bt_cb(skb)->expect, count);
508 memcpy(skb_put(skb, len), buffer, len);
509
510 count -= len;
511 buffer += len;
512 bt_cb(skb)->expect -= len;
513
514 if (skb->len == HCI_ACL_HDR_SIZE) {
515 __le16 dlen = hci_acl_hdr(skb)->dlen;
516
517 /* Complete ACL header */
518 bt_cb(skb)->expect = __le16_to_cpu(dlen);
519
520 if (skb_tailroom(skb) < bt_cb(skb)->expect) {
521 kfree_skb(skb);
522 skb = NULL;
523
524 err = -EILSEQ;
525 break;
526 }
527 }
528
529 if (bt_cb(skb)->expect == 0) {
530 /* Complete frame */
531 hci_recv_frame(data->hdev, skb);
532 skb = NULL;
533 }
534 }
535
536 data->acl_skb = skb;
537 spin_unlock(&data->rxlock);
538
539 return err;
1ffa4ad0
MH		 540}
541
542static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
543{
803b5836
MH		 544 struct sk_buff *skb;
545 int err = 0;
546
547 spin_lock(&data->rxlock);
548 skb = data->sco_skb;
549
550 while (count) {
551 int len;
552
553 if (!skb) {
554 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
555 if (!skb) {
556 err = -ENOMEM;
557 break;
558 }
559
560 bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
561 bt_cb(skb)->expect = HCI_SCO_HDR_SIZE;
562 }
563
564 len = min_t(uint, bt_cb(skb)->expect, count);
565 memcpy(skb_put(skb, len), buffer, len);
566
567 count -= len;
568 buffer += len;
569 bt_cb(skb)->expect -= len;
570
571 if (skb->len == HCI_SCO_HDR_SIZE) {
572 /* Complete SCO header */
573 bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen;
574
575 if (skb_tailroom(skb) < bt_cb(skb)->expect) {
576 kfree_skb(skb);
577 skb = NULL;
578
579 err = -EILSEQ;
580 break;
581 }
582 }
583
584 if (bt_cb(skb)->expect == 0) {
585 /* Complete frame */
586 hci_recv_frame(data->hdev, skb);
587 skb = NULL;
588 }
589 }
590
591 data->sco_skb = skb;
592 spin_unlock(&data->rxlock);
593
594 return err;
1ffa4ad0
MH		 595}
596
5e23b923
MH		 597static void btusb_intr_complete(struct urb *urb)
598{
599 struct hci_dev *hdev = urb->context;
155961e8 600 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 601 int err;
602
89e7533d
MH		 603 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
604 urb->actual_length);
5e23b923
MH		 605
606 if (!test_bit(HCI_RUNNING, &hdev->flags))
607 return;
608
609 if (urb->status == 0) {
9bfa35fe
MH		 610 hdev->stat.byte_rx += urb->actual_length;
611
34244063
WJS		 612 if (btusb_recv_intr(data, urb->transfer_buffer,
613 urb->actual_length) < 0) {
614 BT_ERR("%s corrupted event packet", hdev->name);
615 hdev->stat.err_rx++;
5e23b923 616 }
85560c4a
CC		 617 } else if (urb->status == -ENOENT) {
618 /* Avoid suspend failed when usb_kill_urb */
619 return;
5e23b923
MH		 620 }
621
622 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
623 return;
624
7bee549e 625 usb_mark_last_busy(data->udev);
5e23b923
MH		 626 usb_anchor_urb(urb, &data->intr_anchor);
627
628 err = usb_submit_urb(urb, GFP_ATOMIC);
629 if (err < 0) {
4935f1c1
PB		 630 /* -EPERM: urb is being killed;
631 * -ENODEV: device got disconnected */
632 if (err != -EPERM && err != -ENODEV)
61faddf6 633 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 634 hdev->name, urb, -err);
5e23b923
MH		 635 usb_unanchor_urb(urb);
636 }
637}
638
2eda66f4 639static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 640{
155961e8 641 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 642 struct urb *urb;
643 unsigned char *buf;
644 unsigned int pipe;
645 int err, size;
646
647 BT_DBG("%s", hdev->name);
648
9bfa35fe
MH		 649 if (!data->intr_ep)
650 return -ENODEV;
651
2eda66f4 652 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 653 if (!urb)
654 return -ENOMEM;
655
656 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
657
2eda66f4 658 buf = kmalloc(size, mem_flags);
5e23b923
MH		 659 if (!buf) {
660 usb_free_urb(urb);
661 return -ENOMEM;
662 }
663
664 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
665
666 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
89e7533d 667 btusb_intr_complete, hdev, data->intr_ep->bInterval);
5e23b923
MH		 668
669 urb->transfer_flags |= URB_FREE_BUFFER;
670
671 usb_anchor_urb(urb, &data->intr_anchor);
672
2eda66f4 673 err = usb_submit_urb(urb, mem_flags);
5e23b923 674 if (err < 0) {
d4b8d1c9
PB		 675 if (err != -EPERM && err != -ENODEV)
676 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 677 hdev->name, urb, -err);
5e23b923 678 usb_unanchor_urb(urb);
5e23b923
MH		 679 }
680
681 usb_free_urb(urb);
682
683 return err;
684}
685
686static void btusb_bulk_complete(struct urb *urb)
687{
688 struct hci_dev *hdev = urb->context;
155961e8 689 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 690 int err;
691
89e7533d
MH		 692 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
693 urb->actual_length);
5e23b923
MH		 694
695 if (!test_bit(HCI_RUNNING, &hdev->flags))
696 return;
697
698 if (urb->status == 0) {
9bfa35fe
MH		 699 hdev->stat.byte_rx += urb->actual_length;
700
2cbd3f5c 701 if (data->recv_bulk(data, urb->transfer_buffer,
1ffa4ad0 702 urb->actual_length) < 0) {
5e23b923
MH		 703 BT_ERR("%s corrupted ACL packet", hdev->name);
704 hdev->stat.err_rx++;
705 }
85560c4a
CC		 706 } else if (urb->status == -ENOENT) {
707 /* Avoid suspend failed when usb_kill_urb */
708 return;
5e23b923
MH		 709 }
710
711 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
712 return;
713
714 usb_anchor_urb(urb, &data->bulk_anchor);
652fd781 715 usb_mark_last_busy(data->udev);
5e23b923
MH		 716
717 err = usb_submit_urb(urb, GFP_ATOMIC);
718 if (err < 0) {
4935f1c1
PB		 719 /* -EPERM: urb is being killed;
720 * -ENODEV: device got disconnected */
721 if (err != -EPERM && err != -ENODEV)
61faddf6 722 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 723 hdev->name, urb, -err);
5e23b923
MH		 724 usb_unanchor_urb(urb);
725 }
726}
727
2eda66f4 728static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 729{
155961e8 730 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 731 struct urb *urb;
732 unsigned char *buf;
733 unsigned int pipe;
290ba200 734 int err, size = HCI_MAX_FRAME_SIZE;
5e23b923
MH		 735
736 BT_DBG("%s", hdev->name);
737
9bfa35fe
MH		 738 if (!data->bulk_rx_ep)
739 return -ENODEV;
740
2eda66f4 741 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 742 if (!urb)
743 return -ENOMEM;
744
2eda66f4 745 buf = kmalloc(size, mem_flags);
5e23b923
MH		 746 if (!buf) {
747 usb_free_urb(urb);
748 return -ENOMEM;
749 }
750
751 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
752
89e7533d
MH		 753 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
754 btusb_bulk_complete, hdev);
5e23b923
MH		 755
756 urb->transfer_flags |= URB_FREE_BUFFER;
757
7bee549e 758 usb_mark_last_busy(data->udev);
5e23b923
MH		 759 usb_anchor_urb(urb, &data->bulk_anchor);
760
2eda66f4 761 err = usb_submit_urb(urb, mem_flags);
5e23b923 762 if (err < 0) {
d4b8d1c9
PB		 763 if (err != -EPERM && err != -ENODEV)
764 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 765 hdev->name, urb, -err);
5e23b923 766 usb_unanchor_urb(urb);
5e23b923
MH		 767 }
768
769 usb_free_urb(urb);
770
771 return err;
772}
773
9bfa35fe
MH		 774static void btusb_isoc_complete(struct urb *urb)
775{
776 struct hci_dev *hdev = urb->context;
155961e8 777 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 778 int i, err;
779
89e7533d
MH		 780 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
781 urb->actual_length);
9bfa35fe
MH		 782
783 if (!test_bit(HCI_RUNNING, &hdev->flags))
784 return;
785
786 if (urb->status == 0) {
787 for (i = 0; i < urb->number_of_packets; i++) {
788 unsigned int offset = urb->iso_frame_desc[i].offset;
789 unsigned int length = urb->iso_frame_desc[i].actual_length;
790
791 if (urb->iso_frame_desc[i].status)
792 continue;
793
794 hdev->stat.byte_rx += length;
795
1ffa4ad0
MH		 796 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
797 length) < 0) {
9bfa35fe
MH		 798 BT_ERR("%s corrupted SCO packet", hdev->name);
799 hdev->stat.err_rx++;
800 }
801 }
85560c4a
CC		 802 } else if (urb->status == -ENOENT) {
803 /* Avoid suspend failed when usb_kill_urb */
804 return;
9bfa35fe
MH		 805 }
806
807 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
808 return;
809
810 usb_anchor_urb(urb, &data->isoc_anchor);
811
812 err = usb_submit_urb(urb, GFP_ATOMIC);
813 if (err < 0) {
4935f1c1
PB		 814 /* -EPERM: urb is being killed;
815 * -ENODEV: device got disconnected */
816 if (err != -EPERM && err != -ENODEV)
61faddf6 817 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 818 hdev->name, urb, -err);
9bfa35fe
MH		 819 usb_unanchor_urb(urb);
820 }
821}
822
42b16b3f 823static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
9bfa35fe
MH		 824{
825 int i, offset = 0;
826
827 BT_DBG("len %d mtu %d", len, mtu);
828
829 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
830 i++, offset += mtu, len -= mtu) {
831 urb->iso_frame_desc[i].offset = offset;
832 urb->iso_frame_desc[i].length = mtu;
833 }
834
835 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
836 urb->iso_frame_desc[i].offset = offset;
837 urb->iso_frame_desc[i].length = len;
838 i++;
839 }
840
841 urb->number_of_packets = i;
842}
843
2eda66f4 844static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
9bfa35fe 845{
155961e8 846 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 847 struct urb *urb;
848 unsigned char *buf;
849 unsigned int pipe;
850 int err, size;
851
852 BT_DBG("%s", hdev->name);
853
854 if (!data->isoc_rx_ep)
855 return -ENODEV;
856
2eda66f4 857 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
9bfa35fe
MH		 858 if (!urb)
859 return -ENOMEM;
860
861 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
862 BTUSB_MAX_ISOC_FRAMES;
863
2eda66f4 864 buf = kmalloc(size, mem_flags);
9bfa35fe
MH		 865 if (!buf) {
866 usb_free_urb(urb);
867 return -ENOMEM;
868 }
869
870 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
871
fa0fb93f 872 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
89e7533d 873 hdev, data->isoc_rx_ep->bInterval);
9bfa35fe 874
89e7533d 875 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
9bfa35fe
MH		 876
877 __fill_isoc_descriptor(urb, size,
89e7533d 878 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
9bfa35fe
MH		 879
880 usb_anchor_urb(urb, &data->isoc_anchor);
881
2eda66f4 882 err = usb_submit_urb(urb, mem_flags);
9bfa35fe 883 if (err < 0) {
d4b8d1c9
PB		 884 if (err != -EPERM && err != -ENODEV)
885 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 886 hdev->name, urb, -err);
9bfa35fe 887 usb_unanchor_urb(urb);
9bfa35fe
MH		 888 }
889
890 usb_free_urb(urb);
891
892 return err;
893}
894
9d08f504
MH		 895static void btusb_diag_complete(struct urb *urb)
896{
897 struct hci_dev *hdev = urb->context;
898 struct btusb_data *data = hci_get_drvdata(hdev);
899 int err;
900
901 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
902 urb->actual_length);
903
904 if (urb->status == 0) {
905 struct sk_buff *skb;
906
907 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
908 if (skb) {
909 memcpy(skb_put(skb, urb->actual_length),
910 urb->transfer_buffer, urb->actual_length);
911 hci_recv_diag(hdev, skb);
912 }
913 } else if (urb->status == -ENOENT) {
914 /* Avoid suspend failed when usb_kill_urb */
915 return;
916 }
917
918 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
919 return;
920
921 usb_anchor_urb(urb, &data->diag_anchor);
922 usb_mark_last_busy(data->udev);
923
924 err = usb_submit_urb(urb, GFP_ATOMIC);
925 if (err < 0) {
926 /* -EPERM: urb is being killed;
927 * -ENODEV: device got disconnected */
928 if (err != -EPERM && err != -ENODEV)
929 BT_ERR("%s urb %p failed to resubmit (%d)",
930 hdev->name, urb, -err);
931 usb_unanchor_urb(urb);
932 }
933}
934
935static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
936{
937 struct btusb_data *data = hci_get_drvdata(hdev);
938 struct urb *urb;
939 unsigned char *buf;
940 unsigned int pipe;
941 int err, size = HCI_MAX_FRAME_SIZE;
942
943 BT_DBG("%s", hdev->name);
944
945 if (!data->diag_rx_ep)
946 return -ENODEV;
947
948 urb = usb_alloc_urb(0, mem_flags);
949 if (!urb)
950 return -ENOMEM;
951
952 buf = kmalloc(size, mem_flags);
953 if (!buf) {
954 usb_free_urb(urb);
955 return -ENOMEM;
956 }
957
958 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
959
960 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
961 btusb_diag_complete, hdev);
962
963 urb->transfer_flags |= URB_FREE_BUFFER;
964
965 usb_mark_last_busy(data->udev);
966 usb_anchor_urb(urb, &data->diag_anchor);
967
968 err = usb_submit_urb(urb, mem_flags);
969 if (err < 0) {
970 if (err != -EPERM && err != -ENODEV)
971 BT_ERR("%s urb %p submission failed (%d)",
972 hdev->name, urb, -err);
973 usb_unanchor_urb(urb);
974 }
975
976 usb_free_urb(urb);
977
978 return err;
979}
980
5e23b923 981static void btusb_tx_complete(struct urb *urb)
7bee549e
ON		 982{
983 struct sk_buff *skb = urb->context;
89e7533d 984 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
155961e8 985 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 986
89e7533d
MH		 987 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
988 urb->actual_length);
7bee549e
ON		 989
990 if (!test_bit(HCI_RUNNING, &hdev->flags))
991 goto done;
992
993 if (!urb->status)
994 hdev->stat.byte_tx += urb->transfer_buffer_length;
995 else
996 hdev->stat.err_tx++;
997
998done:
999 spin_lock(&data->txlock);
1000 data->tx_in_flight--;
1001 spin_unlock(&data->txlock);
1002
1003 kfree(urb->setup_packet);
1004
1005 kfree_skb(skb);
1006}
1007
1008static void btusb_isoc_tx_complete(struct urb *urb)
5e23b923
MH		 1009{
1010 struct sk_buff *skb = urb->context;
89e7533d 1011 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
5e23b923 1012
89e7533d
MH		 1013 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1014 urb->actual_length);
5e23b923
MH		 1015
1016 if (!test_bit(HCI_RUNNING, &hdev->flags))
1017 goto done;
1018
1019 if (!urb->status)
1020 hdev->stat.byte_tx += urb->transfer_buffer_length;
1021 else
1022 hdev->stat.err_tx++;
1023
1024done:
1025 kfree(urb->setup_packet);
1026
1027 kfree_skb(skb);
1028}
1029
1030static int btusb_open(struct hci_dev *hdev)
1031{
155961e8 1032 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1033 int err;
1034
1035 BT_DBG("%s", hdev->name);
1036
ace31982
KBYT		 1037 /* Patching USB firmware files prior to starting any URBs of HCI path
1038 * It is more safe to use USB bulk channel for downloading USB patch
1039 */
1040 if (data->setup_on_usb) {
1041 err = data->setup_on_usb(hdev);
eb50042f 1042 if (err < 0)
ace31982
KBYT		 1043 return err;
1044 }
1045
7bee549e
ON		 1046 err = usb_autopm_get_interface(data->intf);
1047 if (err < 0)
1048 return err;
1049
1050 data->intf->needs_remote_wakeup = 1;
1051
5e23b923 1052 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
7bee549e 1053 goto done;
5e23b923 1054
2eda66f4 1055 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
43c2e57f
MH		 1056 if (err < 0)
1057 goto failed;
1058
1059 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
5e23b923 1060 if (err < 0) {
43c2e57f
MH		 1061 usb_kill_anchored_urbs(&data->intr_anchor);
1062 goto failed;
5e23b923
MH		 1063 }
1064
43c2e57f
MH		 1065 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1066 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1067
9d08f504
MH		 1068 if (data->diag) {
1069 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1070 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1071 }
1072
7bee549e
ON		 1073done:
1074 usb_autopm_put_interface(data->intf);
43c2e57f
MH		 1075 return 0;
1076
1077failed:
1078 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 1079 usb_autopm_put_interface(data->intf);
5e23b923
MH		 1080 return err;
1081}
1082
7bee549e
ON		 1083static void btusb_stop_traffic(struct btusb_data *data)
1084{
1085 usb_kill_anchored_urbs(&data->intr_anchor);
1086 usb_kill_anchored_urbs(&data->bulk_anchor);
1087 usb_kill_anchored_urbs(&data->isoc_anchor);
9d08f504 1088 usb_kill_anchored_urbs(&data->diag_anchor);
7bee549e
ON		 1089}
1090
5e23b923
MH		 1091static int btusb_close(struct hci_dev *hdev)
1092{
155961e8 1093 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 1094 int err;
5e23b923
MH		 1095
1096 BT_DBG("%s", hdev->name);
1097
e8c3c3d2 1098 cancel_work_sync(&data->work);
404291ac 1099 cancel_work_sync(&data->waker);
e8c3c3d2 1100
9bfa35fe 1101 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
5e23b923 1102 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
5e23b923 1103 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
9d08f504 1104 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
7bee549e
ON		 1105
1106 btusb_stop_traffic(data);
803b5836
MH		 1107 btusb_free_frags(data);
1108
7bee549e
ON		 1109 err = usb_autopm_get_interface(data->intf);
1110 if (err < 0)
7b8e2c1d 1111 goto failed;
7bee549e
ON		 1112
1113 data->intf->needs_remote_wakeup = 0;
1114 usb_autopm_put_interface(data->intf);
5e23b923 1115
7b8e2c1d
ON		 1116failed:
1117 usb_scuttle_anchored_urbs(&data->deferred);
5e23b923
MH		 1118 return 0;
1119}
1120
1121static int btusb_flush(struct hci_dev *hdev)
1122{
155961e8 1123 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1124
1125 BT_DBG("%s", hdev->name);
1126
1127 usb_kill_anchored_urbs(&data->tx_anchor);
803b5836 1128 btusb_free_frags(data);
5e23b923
MH		 1129
1130 return 0;
1131}
1132
047b2ec8 1133static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
5e23b923 1134{
155961e8 1135 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1136 struct usb_ctrlrequest *dr;
1137 struct urb *urb;
1138 unsigned int pipe;
5e23b923 1139
047b2ec8
MH		 1140 urb = usb_alloc_urb(0, GFP_KERNEL);
1141 if (!urb)
1142 return ERR_PTR(-ENOMEM);
5e23b923 1143
047b2ec8
MH		 1144 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1145 if (!dr) {
1146 usb_free_urb(urb);
1147 return ERR_PTR(-ENOMEM);
1148 }
5e23b923 1149
047b2ec8 1150 dr->bRequestType = data->cmdreq_type;
893ba544 1151 dr->bRequest = data->cmdreq;
047b2ec8
MH		 1152 dr->wIndex = 0;
1153 dr->wValue = 0;
1154 dr->wLength = __cpu_to_le16(skb->len);
7bd8f09f 1155
047b2ec8 1156 pipe = usb_sndctrlpipe(data->udev, 0x00);
5e23b923 1157
89e7533d 1158 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
047b2ec8 1159 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1160
89e7533d 1161 skb->dev = (void *)hdev;
5e23b923 1162
047b2ec8
MH		 1163 return urb;
1164}
5e23b923 1165
047b2ec8
MH		 1166static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1167{
1168 struct btusb_data *data = hci_get_drvdata(hdev);
1169 struct urb *urb;
1170 unsigned int pipe;
5e23b923 1171
047b2ec8
MH		 1172 if (!data->bulk_tx_ep)
1173 return ERR_PTR(-ENODEV);
9bfa35fe 1174
047b2ec8
MH		 1175 urb = usb_alloc_urb(0, GFP_KERNEL);
1176 if (!urb)
1177 return ERR_PTR(-ENOMEM);
5e23b923 1178
047b2ec8 1179 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
5e23b923 1180
047b2ec8
MH		 1181 usb_fill_bulk_urb(urb, data->udev, pipe,
1182 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1183
89e7533d 1184 skb->dev = (void *)hdev;
5e23b923 1185
047b2ec8
MH		 1186 return urb;
1187}
9bfa35fe 1188
047b2ec8
MH		 1189static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1190{
1191 struct btusb_data *data = hci_get_drvdata(hdev);
1192 struct urb *urb;
1193 unsigned int pipe;
9bfa35fe 1194
047b2ec8
MH		 1195 if (!data->isoc_tx_ep)
1196 return ERR_PTR(-ENODEV);
9bfa35fe 1197
047b2ec8
MH		 1198 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1199 if (!urb)
1200 return ERR_PTR(-ENOMEM);
9bfa35fe 1201
047b2ec8 1202 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
9bfa35fe 1203
047b2ec8
MH		 1204 usb_fill_int_urb(urb, data->udev, pipe,
1205 skb->data, skb->len, btusb_isoc_tx_complete,
1206 skb, data->isoc_tx_ep->bInterval);
9bfa35fe 1207
047b2ec8 1208 urb->transfer_flags = URB_ISO_ASAP;
5e23b923 1209
047b2ec8
MH		 1210 __fill_isoc_descriptor(urb, skb->len,
1211 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
5e23b923 1212
89e7533d 1213 skb->dev = (void *)hdev;
047b2ec8
MH		 1214
1215 return urb;
1216}
1217
1218static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1219{
1220 struct btusb_data *data = hci_get_drvdata(hdev);
1221 int err;
7bee549e 1222
5e23b923
MH		 1223 usb_anchor_urb(urb, &data->tx_anchor);
1224
e9753eff 1225 err = usb_submit_urb(urb, GFP_KERNEL);
5e23b923 1226 if (err < 0) {
5a9b80e2
PB		 1227 if (err != -EPERM && err != -ENODEV)
1228 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 1229 hdev->name, urb, -err);
5e23b923
MH		 1230 kfree(urb->setup_packet);
1231 usb_unanchor_urb(urb);
7bee549e
ON		 1232 } else {
1233 usb_mark_last_busy(data->udev);
5e23b923
MH		 1234 }
1235
54a8a79c 1236 usb_free_urb(urb);
5e23b923
MH		 1237 return err;
1238}
1239
047b2ec8
MH		 1240static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1241{
1242 struct btusb_data *data = hci_get_drvdata(hdev);
1243 unsigned long flags;
1244 bool suspending;
1245
1246 spin_lock_irqsave(&data->txlock, flags);
1247 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1248 if (!suspending)
1249 data->tx_in_flight++;
1250 spin_unlock_irqrestore(&data->txlock, flags);
1251
1252 if (!suspending)
1253 return submit_tx_urb(hdev, urb);
1254
1255 usb_anchor_urb(urb, &data->deferred);
1256 schedule_work(&data->waker);
1257
1258 usb_free_urb(urb);
1259 return 0;
1260}
1261
1262static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1263{
1264 struct urb *urb;
1265
1266 BT_DBG("%s", hdev->name);
1267
047b2ec8
MH		 1268 switch (bt_cb(skb)->pkt_type) {
1269 case HCI_COMMAND_PKT:
1270 urb = alloc_ctrl_urb(hdev, skb);
1271 if (IS_ERR(urb))
1272 return PTR_ERR(urb);
1273
1274 hdev->stat.cmd_tx++;
1275 return submit_or_queue_tx_urb(hdev, urb);
1276
1277 case HCI_ACLDATA_PKT:
1278 urb = alloc_bulk_urb(hdev, skb);
1279 if (IS_ERR(urb))
1280 return PTR_ERR(urb);
1281
1282 hdev->stat.acl_tx++;
1283 return submit_or_queue_tx_urb(hdev, urb);
1284
1285 case HCI_SCODATA_PKT:
1286 if (hci_conn_num(hdev, SCO_LINK) < 1)
1287 return -ENODEV;
1288
1289 urb = alloc_isoc_urb(hdev, skb);
1290 if (IS_ERR(urb))
1291 return PTR_ERR(urb);
1292
1293 hdev->stat.sco_tx++;
1294 return submit_tx_urb(hdev, urb);
1295 }
1296
1297 return -EILSEQ;
1298}
1299
5e23b923
MH		 1300static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1301{
155961e8 1302 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1303
1304 BT_DBG("%s evt %d", hdev->name, evt);
1305
014f7bc7
MH		 1306 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1307 data->sco_num = hci_conn_num(hdev, SCO_LINK);
43c2e57f 1308 schedule_work(&data->work);
a780efa8 1309 }
5e23b923
MH		 1310}
1311
42b16b3f 1312static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
9bfa35fe 1313{
155961e8 1314 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 1315 struct usb_interface *intf = data->isoc;
1316 struct usb_endpoint_descriptor *ep_desc;
1317 int i, err;
1318
1319 if (!data->isoc)
1320 return -ENODEV;
1321
1322 err = usb_set_interface(data->udev, 1, altsetting);
1323 if (err < 0) {
1324 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
1325 return err;
1326 }
1327
1328 data->isoc_altsetting = altsetting;
1329
1330 data->isoc_tx_ep = NULL;
1331 data->isoc_rx_ep = NULL;
1332
1333 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1334 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1335
1336 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1337 data->isoc_tx_ep = ep_desc;
1338 continue;
1339 }
1340
1341 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1342 data->isoc_rx_ep = ep_desc;
1343 continue;
1344 }
1345 }
1346
1347 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
1348 BT_ERR("%s invalid SCO descriptors", hdev->name);
1349 return -ENODEV;
1350 }
1351
1352 return 0;
1353}
1354
5e23b923
MH		 1355static void btusb_work(struct work_struct *work)
1356{
1357 struct btusb_data *data = container_of(work, struct btusb_data, work);
1358 struct hci_dev *hdev = data->hdev;
f4001d28 1359 int new_alts;
7bee549e 1360 int err;
5e23b923 1361
014f7bc7 1362 if (data->sco_num > 0) {
08b8b6c4 1363 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
8efdd0cd 1364 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
7bee549e
ON		 1365 if (err < 0) {
1366 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1367 usb_kill_anchored_urbs(&data->isoc_anchor);
1368 return;
1369 }
1370
08b8b6c4 1371 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
7bee549e 1372 }
f4001d28
MA		 1373
1374 if (hdev->voice_setting & 0x0020) {
1375 static const int alts[3] = { 2, 4, 5 };
89e7533d 1376
014f7bc7 1377 new_alts = alts[data->sco_num - 1];
f4001d28 1378 } else {
014f7bc7 1379 new_alts = data->sco_num;
f4001d28
MA		 1380 }
1381
1382 if (data->isoc_altsetting != new_alts) {
f6fc86f2
KP		 1383 unsigned long flags;
1384
9bfa35fe
MH		 1385 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1386 usb_kill_anchored_urbs(&data->isoc_anchor);
1387
8f9d02f4
KP		 1388 /* When isochronous alternate setting needs to be
1389 * changed, because SCO connection has been added
1390 * or removed, a packet fragment may be left in the
1391 * reassembling state. This could lead to wrongly
1392 * assembled fragments.
1393 *
1394 * Clear outstanding fragment when selecting a new
1395 * alternate setting.
1396 */
f6fc86f2 1397 spin_lock_irqsave(&data->rxlock, flags);
8f9d02f4
KP		 1398 kfree_skb(data->sco_skb);
1399 data->sco_skb = NULL;
f6fc86f2 1400 spin_unlock_irqrestore(&data->rxlock, flags);
8f9d02f4 1401
f4001d28 1402 if (__set_isoc_interface(hdev, new_alts) < 0)
9bfa35fe
MH		 1403 return;
1404 }
1405
1406 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2eda66f4 1407 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
9bfa35fe
MH		 1408 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1409 else
2eda66f4 1410 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
9bfa35fe
MH		 1411 }
1412 } else {
1413 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1414 usb_kill_anchored_urbs(&data->isoc_anchor);
1415
1416 __set_isoc_interface(hdev, 0);
08b8b6c4 1417 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
8efdd0cd 1418 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
5e23b923
MH		 1419 }
1420}
1421
7bee549e
ON		 1422static void btusb_waker(struct work_struct *work)
1423{
1424 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1425 int err;
1426
1427 err = usb_autopm_get_interface(data->intf);
1428 if (err < 0)
1429 return;
1430
1431 usb_autopm_put_interface(data->intf);
1432}
1433
9f8f962c
MH		 1434static int btusb_setup_bcm92035(struct hci_dev *hdev)
1435{
1436 struct sk_buff *skb;
1437 u8 val = 0x00;
1438
1439 BT_DBG("%s", hdev->name);
1440
1441 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1442 if (IS_ERR(skb))
1443 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
1444 else
1445 kfree_skb(skb);
1446
1447 return 0;
1448}
1449
81cac64b
MH		 1450static int btusb_setup_csr(struct hci_dev *hdev)
1451{
1452 struct hci_rp_read_local_version *rp;
1453 struct sk_buff *skb;
81cac64b
MH		 1454
1455 BT_DBG("%s", hdev->name);
1456
7cd84d72
MH		 1457 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1458 HCI_INIT_TIMEOUT);
1459 if (IS_ERR(skb)) {
1460 int err = PTR_ERR(skb);
1461 BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err);
1462 return err;
1463 }
1464
1465 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
1466 BT_ERR("%s: CSR: Local version length mismatch", hdev->name);
1467 kfree_skb(skb);
1468 return -EIO;
1469 }
81cac64b 1470
89e7533d 1471 rp = (struct hci_rp_read_local_version *)skb->data;
81cac64b 1472
6cafcd95
JH		 1473 /* Detect controllers which aren't real CSR ones. */
1474 if (le16_to_cpu(rp->manufacturer) != 10 ||
1475 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
9641d343
MH		 1476 /* Clear the reset quirk since this is not an actual
1477 * early Bluetooth 1.1 device from CSR.
1478 */
1479 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b 1480
9641d343
MH		 1481 /* These fake CSR controllers have all a broken
1482 * stored link key handling and so just disable it.
1483 */
1484 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
1485 }
81cac64b
MH		 1486
1487 kfree_skb(skb);
1488
9641d343 1489 return 0;
81cac64b
MH		 1490}
1491
dffd30ee 1492static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
89e7533d 1493 struct intel_version *ver)
dffd30ee
THJA		 1494{
1495 const struct firmware *fw;
1496 char fwname[64];
1497 int ret;
1498
1499 snprintf(fwname, sizeof(fwname),
1500 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1501 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1502 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1503 ver->fw_build_ww, ver->fw_build_yy);
1504
1505 ret = request_firmware(&fw, fwname, &hdev->dev);
1506 if (ret < 0) {
1507 if (ret == -EINVAL) {
1508 BT_ERR("%s Intel firmware file request failed (%d)",
1509 hdev->name, ret);
1510 return NULL;
1511 }
1512
1513 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1514 hdev->name, fwname, ret);
1515
1516 /* If the correct firmware patch file is not found, use the
1517 * default firmware patch file instead
1518 */
1519 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1520 ver->hw_platform, ver->hw_variant);
1521 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1522 BT_ERR("%s failed to open default Intel fw file: %s",
1523 hdev->name, fwname);
1524 return NULL;
1525 }
1526 }
1527
1528 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
1529
1530 return fw;
1531}
1532
1533static int btusb_setup_intel_patching(struct hci_dev *hdev,
1534 const struct firmware *fw,
1535 const u8 **fw_ptr, int *disable_patch)
1536{
1537 struct sk_buff *skb;
1538 struct hci_command_hdr *cmd;
1539 const u8 *cmd_param;
1540 struct hci_event_hdr *evt = NULL;
1541 const u8 *evt_param = NULL;
1542 int remain = fw->size - (*fw_ptr - fw->data);
1543
1544 /* The first byte indicates the types of the patch command or event.
1545 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1546 * in the current firmware buffer doesn't start with 0x01 or
1547 * the size of remain buffer is smaller than HCI command header,
1548 * the firmware file is corrupted and it should stop the patching
1549 * process.
1550 */
1551 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1552 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
1553 return -EINVAL;
1554 }
1555 (*fw_ptr)++;
1556 remain--;
1557
1558 cmd = (struct hci_command_hdr *)(*fw_ptr);
1559 *fw_ptr += sizeof(*cmd);
1560 remain -= sizeof(*cmd);
1561
1562 /* Ensure that the remain firmware data is long enough than the length
1563 * of command parameter. If not, the firmware file is corrupted.
1564 */
1565 if (remain < cmd->plen) {
1566 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
1567 return -EFAULT;
1568 }
1569
1570 /* If there is a command that loads a patch in the firmware
1571 * file, then enable the patch upon success, otherwise just
1572 * disable the manufacturer mode, for example patch activation
1573 * is not required when the default firmware patch file is used
1574 * because there are no patch data to load.
1575 */
1576 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1577 *disable_patch = 0;
1578
1579 cmd_param = *fw_ptr;
1580 *fw_ptr += cmd->plen;
1581 remain -= cmd->plen;
1582
1583 /* This reads the expected events when the above command is sent to the
1584 * device. Some vendor commands expects more than one events, for
1585 * example command status event followed by vendor specific event.
1586 * For this case, it only keeps the last expected event. so the command
1587 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1588 * last expected event.
1589 */
1590 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1591 (*fw_ptr)++;
1592 remain--;
1593
1594 evt = (struct hci_event_hdr *)(*fw_ptr);
1595 *fw_ptr += sizeof(*evt);
1596 remain -= sizeof(*evt);
1597
1598 if (remain < evt->plen) {
1599 BT_ERR("%s Intel fw corrupted: invalid evt len",
1600 hdev->name);
1601 return -EFAULT;
1602 }
1603
1604 evt_param = *fw_ptr;
1605 *fw_ptr += evt->plen;
1606 remain -= evt->plen;
1607 }
1608
1609 /* Every HCI commands in the firmware file has its correspond event.
1610 * If event is not found or remain is smaller than zero, the firmware
1611 * file is corrupted.
1612 */
1613 if (!evt || !evt_param || remain < 0) {
1614 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
1615 return -EFAULT;
1616 }
1617
1618 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1619 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1620 if (IS_ERR(skb)) {
1621 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1622 hdev->name, cmd->opcode, PTR_ERR(skb));
d9c78e97 1623 return PTR_ERR(skb);
dffd30ee
THJA		 1624 }
1625
1626 /* It ensures that the returned event matches the event data read from
1627 * the firmware file. At fist, it checks the length and then
1628 * the contents of the event.
1629 */
1630 if (skb->len != evt->plen) {
1631 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
1632 le16_to_cpu(cmd->opcode));
1633 kfree_skb(skb);
1634 return -EFAULT;
1635 }
1636
1637 if (memcmp(skb->data, evt_param, evt->plen)) {
1638 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1639 hdev->name, le16_to_cpu(cmd->opcode));
1640 kfree_skb(skb);
1641 return -EFAULT;
1642 }
1643 kfree_skb(skb);
1644
1645 return 0;
1646}
1647
1648static int btusb_setup_intel(struct hci_dev *hdev)
1649{
1650 struct sk_buff *skb;
1651 const struct firmware *fw;
1652 const u8 *fw_ptr;
1653 int disable_patch;
1654 struct intel_version *ver;
1655
1656 const u8 mfg_enable[] = { 0x01, 0x00 };
1657 const u8 mfg_disable[] = { 0x00, 0x00 };
1658 const u8 mfg_reset_deactivate[] = { 0x00, 0x01 };
1659 const u8 mfg_reset_activate[] = { 0x00, 0x02 };
1660
1661 BT_DBG("%s", hdev->name);
1662
1663 /* The controller has a bug with the first HCI command sent to it
1664 * returning number of completed commands as zero. This would stall the
1665 * command processing in the Bluetooth core.
1666 *
1667 * As a workaround, send HCI Reset command first which will reset the
1668 * number of completed commands and allow normal command processing
1669 * from now on.
1670 */
1671 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1672 if (IS_ERR(skb)) {
1673 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1674 hdev->name, PTR_ERR(skb));
d9c78e97 1675 return PTR_ERR(skb);
dffd30ee
THJA		 1676 }
1677 kfree_skb(skb);
1678
1679 /* Read Intel specific controller version first to allow selection of
1680 * which firmware file to load.
1681 *
1682 * The returned information are hardware variant and revision plus
1683 * firmware variant, revision and build number.
1684 */
1685 skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
1686 if (IS_ERR(skb)) {
1687 BT_ERR("%s reading Intel fw version command failed (%ld)",
1688 hdev->name, PTR_ERR(skb));
d9c78e97 1689 return PTR_ERR(skb);
dffd30ee
THJA		 1690 }
1691
1692 if (skb->len != sizeof(*ver)) {
1693 BT_ERR("%s Intel version event length mismatch", hdev->name);
1694 kfree_skb(skb);
1695 return -EIO;
1696 }
1697
1698 ver = (struct intel_version *)skb->data;
dffd30ee
THJA		 1699
1700 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1701 hdev->name, ver->hw_platform, ver->hw_variant,
1702 ver->hw_revision, ver->fw_variant, ver->fw_revision,
1703 ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy,
1704 ver->fw_patch_num);
1705
1706 /* fw_patch_num indicates the version of patch the device currently
1707 * have. If there is no patch data in the device, it is always 0x00.
5075edae 1708 * So, if it is other than 0x00, no need to patch the device again.
dffd30ee
THJA		 1709 */
1710 if (ver->fw_patch_num) {
1711 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1712 hdev->name, ver->fw_patch_num);
1713 kfree_skb(skb);
213445b2 1714 goto complete;
dffd30ee
THJA		 1715 }
1716
1717 /* Opens the firmware patch file based on the firmware version read
1718 * from the controller. If it fails to open the matching firmware
1719 * patch file, it tries to open the default firmware patch file.
1720 * If no patch file is found, allow the device to operate without
1721 * a patch.
1722 */
1723 fw = btusb_setup_intel_get_fw(hdev, ver);
1724 if (!fw) {
1725 kfree_skb(skb);
213445b2 1726 goto complete;
dffd30ee
THJA		 1727 }
1728 fw_ptr = fw->data;
1729
ecffc804
MH		 1730 kfree_skb(skb);
1731
dffd30ee
THJA		 1732 /* This Intel specific command enables the manufacturer mode of the
1733 * controller.
1734 *
1735 * Only while this mode is enabled, the driver can download the
1736 * firmware patch data and configuration parameters.
1737 */
1738 skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT);
1739 if (IS_ERR(skb)) {
1740 BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
1741 hdev->name, PTR_ERR(skb));
1742 release_firmware(fw);
d9c78e97 1743 return PTR_ERR(skb);
dffd30ee
THJA		 1744 }
1745
dffd30ee
THJA		 1746 kfree_skb(skb);
1747
1748 disable_patch = 1;
1749
1750 /* The firmware data file consists of list of Intel specific HCI
1751 * commands and its expected events. The first byte indicates the
1752 * type of the message, either HCI command or HCI event.
1753 *
1754 * It reads the command and its expected event from the firmware file,
1755 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1756 * the returned event is compared with the event read from the firmware
1757 * file and it will continue until all the messages are downloaded to
1758 * the controller.
1759 *
1760 * Once the firmware patching is completed successfully,
1761 * the manufacturer mode is disabled with reset and activating the
1762 * downloaded patch.
1763 *
1764 * If the firmware patching fails, the manufacturer mode is
1765 * disabled with reset and deactivating the patch.
1766 *
1767 * If the default patch file is used, no reset is done when disabling
1768 * the manufacturer.
1769 */
1770 while (fw->size > fw_ptr - fw->data) {
1771 int ret;
1772
1773 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1774 &disable_patch);
1775 if (ret < 0)
1776 goto exit_mfg_deactivate;
1777 }
1778
1779 release_firmware(fw);
1780
1781 if (disable_patch)
1782 goto exit_mfg_disable;
1783
1784 /* Patching completed successfully and disable the manufacturer mode
1785 * with reset and activate the downloaded firmware patches.
1786 */
1787 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate),
1788 mfg_reset_activate, HCI_INIT_TIMEOUT);
1789 if (IS_ERR(skb)) {
1790 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1791 hdev->name, PTR_ERR(skb));
d9c78e97 1792 return PTR_ERR(skb);
dffd30ee
THJA		 1793 }
1794 kfree_skb(skb);
1795
1796 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1797 hdev->name);
1798
213445b2 1799 goto complete;
dffd30ee
THJA		 1800
1801exit_mfg_disable:
1802 /* Disable the manufacturer mode without reset */
1803 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable,
1804 HCI_INIT_TIMEOUT);
1805 if (IS_ERR(skb)) {
1806 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1807 hdev->name, PTR_ERR(skb));
d9c78e97 1808 return PTR_ERR(skb);
dffd30ee
THJA		 1809 }
1810 kfree_skb(skb);
1811
1812 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
40cb0984 1813
213445b2 1814 goto complete;
dffd30ee
THJA		 1815
1816exit_mfg_deactivate:
1817 release_firmware(fw);
1818
1819 /* Patching failed. Disable the manufacturer mode with reset and
1820 * deactivate the downloaded firmware patches.
1821 */
1822 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate),
1823 mfg_reset_deactivate, HCI_INIT_TIMEOUT);
1824 if (IS_ERR(skb)) {
1825 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1826 hdev->name, PTR_ERR(skb));
d9c78e97 1827 return PTR_ERR(skb);
dffd30ee
THJA		 1828 }
1829 kfree_skb(skb);
1830
1831 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1832 hdev->name);
1833
213445b2
MH		 1834complete:
1835 /* Set the event mask for Intel specific vendor events. This enables
1836 * a few extra events that are useful during general operation.
1837 */
1838 btintel_set_event_mask_mfg(hdev, false);
1839
4185a0f5 1840 btintel_check_bdaddr(hdev);
dffd30ee
THJA		 1841 return 0;
1842}
1843
cda0dd78
MH		 1844static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1845{
1846 struct sk_buff *skb;
1847 struct hci_event_hdr *hdr;
1848 struct hci_ev_cmd_complete *evt;
1849
1850 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC);
1851 if (!skb)
1852 return -ENOMEM;
1853
1854 hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr));
1855 hdr->evt = HCI_EV_CMD_COMPLETE;
1856 hdr->plen = sizeof(*evt) + 1;
1857
1858 evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt));
1859 evt->ncmd = 0x01;
1860 evt->opcode = cpu_to_le16(opcode);
1861
1862 *skb_put(skb, 1) = 0x00;
1863
1864 bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
1865
1866 return hci_recv_frame(hdev, skb);
1867}
1868
1869static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
1870 int count)
1871{
1872 /* When the device is in bootloader mode, then it can send
1873 * events via the bulk endpoint. These events are treated the
1874 * same way as the ones received from the interrupt endpoint.
1875 */
1876 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
1877 return btusb_recv_intr(data, buffer, count);
1878
1879 return btusb_recv_bulk(data, buffer, count);
1880}
1881
ccd6da2a
MH		 1882static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
1883 unsigned int len)
1884{
1885 const struct intel_bootup *evt = ptr;
1886
1887 if (len != sizeof(*evt))
1888 return;
1889
1890 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) {
1891 smp_mb__after_atomic();
1892 wake_up_bit(&data->flags, BTUSB_BOOTING);
1893 }
1894}
1895
1896static void btusb_intel_secure_send_result(struct btusb_data *data,
1897 const void *ptr, unsigned int len)
1898{
1899 const struct intel_secure_send_result *evt = ptr;
1900
1901 if (len != sizeof(*evt))
1902 return;
1903
1904 if (evt->result)
1905 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
1906
1907 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
1908 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) {
1909 smp_mb__after_atomic();
1910 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
1911 }
1912}
1913
cda0dd78
MH		 1914static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
1915{
1916 struct btusb_data *data = hci_get_drvdata(hdev);
1917
1918 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1919 struct hci_event_hdr *hdr = (void *)skb->data;
1920
ccd6da2a
MH		 1921 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
1922 hdr->plen > 0) {
1923 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
1924 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
1925
1926 switch (skb->data[2]) {
1927 case 0x02:
1928 /* When switching to the operational firmware
1929 * the device sends a vendor specific event
1930 * indicating that the bootup completed.
1931 */
1932 btusb_intel_bootup(data, ptr, len);
1933 break;
1934 case 0x06:
1935 /* When the firmware loading completes the
1936 * device sends out a vendor specific event
1937 * indicating the result of the firmware
1938 * loading.
1939 */
1940 btusb_intel_secure_send_result(data, ptr, len);
1941 break;
fad70972 1942 }
cda0dd78
MH		 1943 }
1944 }
1945
1946 return hci_recv_frame(hdev, skb);
1947}
1948
1949static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
1950{
1951 struct btusb_data *data = hci_get_drvdata(hdev);
1952 struct urb *urb;
1953
1954 BT_DBG("%s", hdev->name);
1955
cda0dd78
MH		 1956 switch (bt_cb(skb)->pkt_type) {
1957 case HCI_COMMAND_PKT:
1958 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1959 struct hci_command_hdr *cmd = (void *)skb->data;
1960 __u16 opcode = le16_to_cpu(cmd->opcode);
1961
1962 /* When in bootloader mode and the command 0xfc09
1963 * is received, it needs to be send down the
1964 * bulk endpoint. So allocate a bulk URB instead.
1965 */
1966 if (opcode == 0xfc09)
1967 urb = alloc_bulk_urb(hdev, skb);
1968 else
1969 urb = alloc_ctrl_urb(hdev, skb);
1970
1971 /* When the 0xfc01 command is issued to boot into
1972 * the operational firmware, it will actually not
1973 * send a command complete event. To keep the flow
1974 * control working inject that event here.
1975 */
1976 if (opcode == 0xfc01)
1977 inject_cmd_complete(hdev, opcode);
1978 } else {
1979 urb = alloc_ctrl_urb(hdev, skb);
1980 }
1981 if (IS_ERR(urb))
1982 return PTR_ERR(urb);
1983
1984 hdev->stat.cmd_tx++;
1985 return submit_or_queue_tx_urb(hdev, urb);
1986
1987 case HCI_ACLDATA_PKT:
1988 urb = alloc_bulk_urb(hdev, skb);
1989 if (IS_ERR(urb))
1990 return PTR_ERR(urb);
1991
1992 hdev->stat.acl_tx++;
1993 return submit_or_queue_tx_urb(hdev, urb);
1994
1995 case HCI_SCODATA_PKT:
1996 if (hci_conn_num(hdev, SCO_LINK) < 1)
1997 return -ENODEV;
1998
1999 urb = alloc_isoc_urb(hdev, skb);
2000 if (IS_ERR(urb))
2001 return PTR_ERR(urb);
2002
2003 hdev->stat.sco_tx++;
2004 return submit_tx_urb(hdev, urb);
2005 }
2006
2007 return -EILSEQ;
2008}
2009
cda0dd78
MH		 2010static int btusb_setup_intel_new(struct hci_dev *hdev)
2011{
2012 static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01,
2013 0x00, 0x08, 0x04, 0x00 };
2014 struct btusb_data *data = hci_get_drvdata(hdev);
2015 struct sk_buff *skb;
2016 struct intel_version *ver;
2017 struct intel_boot_params *params;
2018 const struct firmware *fw;
2019 const u8 *fw_ptr;
e66890a9 2020 u32 frag_len;
cda0dd78
MH		 2021 char fwname[64];
2022 ktime_t calltime, delta, rettime;
2023 unsigned long long duration;
2024 int err;
2025
2026 BT_DBG("%s", hdev->name);
2027
2028 calltime = ktime_get();
2029
2030 /* Read the Intel version information to determine if the device
2031 * is in bootloader mode or if it already has operational firmware
2032 * loaded.
2033 */
2034 skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
2035 if (IS_ERR(skb)) {
2036 BT_ERR("%s: Reading Intel version information failed (%ld)",
2037 hdev->name, PTR_ERR(skb));
2038 return PTR_ERR(skb);
2039 }
2040
2041 if (skb->len != sizeof(*ver)) {
2042 BT_ERR("%s: Intel version event size mismatch", hdev->name);
2043 kfree_skb(skb);
2044 return -EILSEQ;
2045 }
2046
2047 ver = (struct intel_version *)skb->data;
cda0dd78
MH		 2048
2049 /* The hardware platform number has a fixed value of 0x37 and
2050 * for now only accept this single value.
2051 */
2052 if (ver->hw_platform != 0x37) {
2053 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
2054 hdev->name, ver->hw_platform);
2055 kfree_skb(skb);
2056 return -EINVAL;
2057 }
2058
cd05913f
THJA		 2059 /* At the moment the iBT 3.0 hardware variants 0x0b (LnP/SfP)
2060 * and 0x0c (WsP) are supported by this firmware loading method.
2061 *
2062 * This check has been put in place to ensure correct forward
2063 * compatibility options when newer hardware variants come along.
cda0dd78 2064 */
cd05913f 2065 if (ver->hw_variant != 0x0b && ver->hw_variant != 0x0c) {
cda0dd78
MH		 2066 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
2067 hdev->name, ver->hw_variant);
2068 kfree_skb(skb);
2069 return -EINVAL;
2070 }
2071
7feb99e1 2072 btintel_version_info(hdev, ver);
cda0dd78
MH		 2073
2074 /* The firmware variant determines if the device is in bootloader
2075 * mode or is running operational firmware. The value 0x06 identifies
2076 * the bootloader and the value 0x23 identifies the operational
2077 * firmware.
2078 *
2079 * When the operational firmware is already present, then only
2080 * the check for valid Bluetooth device address is needed. This
2081 * determines if the device will be added as configured or
2082 * unconfigured controller.
2083 *
2084 * It is not possible to use the Secure Boot Parameters in this
2085 * case since that command is only available in bootloader mode.
2086 */
2087 if (ver->fw_variant == 0x23) {
2088 kfree_skb(skb);
2089 clear_bit(BTUSB_BOOTLOADER, &data->flags);
4185a0f5 2090 btintel_check_bdaddr(hdev);
cda0dd78
MH		 2091 return 0;
2092 }
2093
2094 /* If the device is not in bootloader mode, then the only possible
2095 * choice is to return an error and abort the device initialization.
2096 */
2097 if (ver->fw_variant != 0x06) {
2098 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
2099 hdev->name, ver->fw_variant);
2100 kfree_skb(skb);
2101 return -ENODEV;
2102 }
2103
2104 kfree_skb(skb);
2105
2106 /* Read the secure boot parameters to identify the operating
2107 * details of the bootloader.
2108 */
2109 skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT);
2110 if (IS_ERR(skb)) {
2111 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2112 hdev->name, PTR_ERR(skb));
2113 return PTR_ERR(skb);
2114 }
2115
2116 if (skb->len != sizeof(*params)) {
2117 BT_ERR("%s: Intel boot parameters size mismatch", hdev->name);
2118 kfree_skb(skb);
2119 return -EILSEQ;
2120 }
2121
2122 params = (struct intel_boot_params *)skb->data;
cda0dd78
MH		 2123
2124 BT_INFO("%s: Device revision is %u", hdev->name,
2125 le16_to_cpu(params->dev_revid));
2126
2127 BT_INFO("%s: Secure boot is %s", hdev->name,
2128 params->secure_boot ? "enabled" : "disabled");
2129
2220994e
MH		 2130 BT_INFO("%s: OTP lock is %s", hdev->name,
2131 params->otp_lock ? "enabled" : "disabled");
2132
2133 BT_INFO("%s: API lock is %s", hdev->name,
2134 params->api_lock ? "enabled" : "disabled");
2135
2136 BT_INFO("%s: Debug lock is %s", hdev->name,
2137 params->debug_lock ? "enabled" : "disabled");
2138
cda0dd78
MH		 2139 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name,
2140 params->min_fw_build_nn, params->min_fw_build_cw,
2141 2000 + params->min_fw_build_yy);
2142
2143 /* It is required that every single firmware fragment is acknowledged
2144 * with a command complete event. If the boot parameters indicate
2145 * that this bootloader does not send them, then abort the setup.
2146 */
2147 if (params->limited_cce != 0x00) {
2148 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2149 hdev->name, params->limited_cce);
2150 kfree_skb(skb);
2151 return -EINVAL;
2152 }
2153
2154 /* If the OTP has no valid Bluetooth device address, then there will
2155 * also be no valid address for the operational firmware.
2156 */
2157 if (!bacmp(&params->otp_bdaddr, BDADDR_ANY)) {
2158 BT_INFO("%s: No device address configured", hdev->name);
2159 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2160 }
2161
2162 /* With this Intel bootloader only the hardware variant and device
2163 * revision information are used to select the right firmware.
2164 *
2165 * Currently this bootloader support is limited to hardware variant
2166 * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b).
2167 */
2168 snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi",
2169 le16_to_cpu(params->dev_revid));
2170
2171 err = request_firmware(&fw, fwname, &hdev->dev);
2172 if (err < 0) {
2173 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2174 hdev->name, err);
2175 kfree_skb(skb);
2176 return err;
2177 }
2178
2179 BT_INFO("%s: Found device firmware: %s", hdev->name, fwname);
2180
52cc9168
THJA		 2181 /* Save the DDC file name for later use to apply once the firmware
2182 * downloading is done.
2183 */
2184 snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.ddc",
2185 le16_to_cpu(params->dev_revid));
2186
cda0dd78
MH		 2187 kfree_skb(skb);
2188
2189 if (fw->size < 644) {
2190 BT_ERR("%s: Invalid size of firmware file (%zu)",
2191 hdev->name, fw->size);
2192 err = -EBADF;
2193 goto done;
2194 }
2195
2196 set_bit(BTUSB_DOWNLOADING, &data->flags);
2197
2198 /* Start the firmware download transaction with the Init fragment
2199 * represented by the 128 bytes of CSS header.
2200 */
09df123d 2201 err = btintel_secure_send(hdev, 0x00, 128, fw->data);
cda0dd78
MH		 2202 if (err < 0) {
2203 BT_ERR("%s: Failed to send firmware header (%d)",
2204 hdev->name, err);
2205 goto done;
2206 }
2207
2208 /* Send the 256 bytes of public key information from the firmware
2209 * as the PKey fragment.
2210 */
09df123d 2211 err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
cda0dd78
MH		 2212 if (err < 0) {
2213 BT_ERR("%s: Failed to send firmware public key (%d)",
2214 hdev->name, err);
2215 goto done;
2216 }
2217
2218 /* Send the 256 bytes of signature information from the firmware
2219 * as the Sign fragment.
2220 */
09df123d 2221 err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
cda0dd78
MH		 2222 if (err < 0) {
2223 BT_ERR("%s: Failed to send firmware signature (%d)",
2224 hdev->name, err);
2225 goto done;
2226 }
2227
2228 fw_ptr = fw->data + 644;
e66890a9 2229 frag_len = 0;
cda0dd78
MH		 2230
2231 while (fw_ptr - fw->data < fw->size) {
e66890a9 2232 struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len);
cda0dd78 2233
e66890a9 2234 frag_len += sizeof(*cmd) + cmd->plen;
cda0dd78 2235
5075edae 2236 /* The parameter length of the secure send command requires
e66890a9
MH		 2237 * a 4 byte alignment. It happens so that the firmware file
2238 * contains proper Intel_NOP commands to align the fragments
2239 * as needed.
2240 *
2241 * Send set of commands with 4 byte alignment from the
2242 * firmware data buffer as a single Data fragement.
cda0dd78 2243 */
e66890a9 2244 if (!(frag_len % 4)) {
09df123d 2245 err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
e66890a9
MH		 2246 if (err < 0) {
2247 BT_ERR("%s: Failed to send firmware data (%d)",
2248 hdev->name, err);
2249 goto done;
2250 }
cda0dd78 2251
e66890a9
MH		 2252 fw_ptr += frag_len;
2253 frag_len = 0;
2254 }
cda0dd78
MH		 2255 }
2256
ce6bb929
MH		 2257 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2258
a087a98e
JH		 2259 BT_INFO("%s: Waiting for firmware download to complete", hdev->name);
2260
cda0dd78
MH		 2261 /* Before switching the device into operational mode and with that
2262 * booting the loaded firmware, wait for the bootloader notification
2263 * that all fragments have been successfully received.
2264 *
a087a98e
JH		 2265 * When the event processing receives the notification, then the
2266 * BTUSB_DOWNLOADING flag will be cleared.
2267 *
2268 * The firmware loading should not take longer than 5 seconds
2269 * and thus just timeout if that happens and fail the setup
2270 * of this device.
cda0dd78 2271 */
129a7693
JH		 2272 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2273 TASK_INTERRUPTIBLE,
2274 msecs_to_jiffies(5000));
a087a98e
JH		 2275 if (err == 1) {
2276 BT_ERR("%s: Firmware loading interrupted", hdev->name);
2277 err = -EINTR;
2278 goto done;
2279 }
cda0dd78 2280
a087a98e
JH		 2281 if (err) {
2282 BT_ERR("%s: Firmware loading timeout", hdev->name);
2283 err = -ETIMEDOUT;
2284 goto done;
cda0dd78
MH		 2285 }
2286
2287 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
2288 BT_ERR("%s: Firmware loading failed", hdev->name);
2289 err = -ENOEXEC;
2290 goto done;
2291 }
2292
2293 rettime = ktime_get();
2294 delta = ktime_sub(rettime, calltime);
2295 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2296
2297 BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration);
2298
2299done:
2300 release_firmware(fw);
2301
2302 if (err < 0)
2303 return err;
2304
2305 calltime = ktime_get();
2306
2307 set_bit(BTUSB_BOOTING, &data->flags);
2308
2309 skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param,
2310 HCI_INIT_TIMEOUT);
2311 if (IS_ERR(skb))
2312 return PTR_ERR(skb);
2313
2314 kfree_skb(skb);
2315
2316 /* The bootloader will not indicate when the device is ready. This
2317 * is done by the operational firmware sending bootup notification.
fad70972
JH		 2318 *
2319 * Booting into operational firmware should not take longer than
2320 * 1 second. However if that happens, then just fail the setup
2321 * since something went wrong.
cda0dd78 2322 */
fad70972 2323 BT_INFO("%s: Waiting for device to boot", hdev->name);
cda0dd78 2324
129a7693
JH		 2325 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2326 TASK_INTERRUPTIBLE,
2327 msecs_to_jiffies(1000));
cda0dd78 2328
fad70972
JH		 2329 if (err == 1) {
2330 BT_ERR("%s: Device boot interrupted", hdev->name);
2331 return -EINTR;
2332 }
cda0dd78 2333
fad70972
JH		 2334 if (err) {
2335 BT_ERR("%s: Device boot timeout", hdev->name);
2336 return -ETIMEDOUT;
cda0dd78
MH		 2337 }
2338
2339 rettime = ktime_get();
2340 delta = ktime_sub(rettime, calltime);
2341 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2342
2343 BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration);
2344
2345 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2346
52cc9168
THJA		 2347 /* Once the device is running in operational mode, it needs to apply
2348 * the device configuration (DDC) parameters.
2349 *
2350 * The device can work without DDC parameters, so even if it fails
2351 * to load the file, no need to fail the setup.
2352 */
e924d3d6 2353 btintel_load_ddc_config(hdev, fwname);
52cc9168 2354
213445b2
MH		 2355 /* Set the event mask for Intel specific vendor events. This enables
2356 * a few extra events that are useful during general operation. It
2357 * does not enable any debugging related events.
2358 *
2359 * The device will function correctly without these events enabled
2360 * and thus no need to fail the setup.
2361 */
2362 btintel_set_event_mask(hdev, false);
2363
cda0dd78
MH		 2364 return 0;
2365}
2366
bfbd45e9
THJA		 2367static int btusb_shutdown_intel(struct hci_dev *hdev)
2368{
2369 struct sk_buff *skb;
2370 long ret;
2371
2372 /* Some platforms have an issue with BT LED when the interface is
2373 * down or BT radio is turned off, which takes 5 seconds to BT LED
2374 * goes off. This command turns off the BT LED immediately.
2375 */
2376 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2377 if (IS_ERR(skb)) {
2378 ret = PTR_ERR(skb);
2379 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2380 hdev->name, ret);
2381 return ret;
2382 }
2383 kfree_skb(skb);
2384
2385 return 0;
2386}
2387
ae8df494
AK		 2388static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
2389 const bdaddr_t *bdaddr)
2390{
2391 struct sk_buff *skb;
2392 u8 buf[8];
2393 long ret;
2394
2395 buf[0] = 0xfe;
2396 buf[1] = sizeof(bdaddr_t);
2397 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
2398
2399 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2400 if (IS_ERR(skb)) {
2401 ret = PTR_ERR(skb);
2402 BT_ERR("%s: changing Marvell device address failed (%ld)",
2403 hdev->name, ret);
2404 return ret;
2405 }
2406 kfree_skb(skb);
2407
2408 return 0;
2409}
2410
5859223e
TK		 2411static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
2412 const bdaddr_t *bdaddr)
2413{
2414 struct sk_buff *skb;
2415 u8 buf[10];
2416 long ret;
2417
2418 buf[0] = 0x01;
2419 buf[1] = 0x01;
2420 buf[2] = 0x00;
2421 buf[3] = sizeof(bdaddr_t);
2422 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
2423
2424 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2425 if (IS_ERR(skb)) {
2426 ret = PTR_ERR(skb);
2427 BT_ERR("%s: Change address command failed (%ld)",
2428 hdev->name, ret);
2429 return ret;
2430 }
2431 kfree_skb(skb);
2432
2433 return 0;
2434}
2435
3267c884
KBYT		 2436#define QCA_DFU_PACKET_LEN 4096
2437
2438#define QCA_GET_TARGET_VERSION 0x09
2439#define QCA_CHECK_STATUS 0x05
2440#define QCA_DFU_DOWNLOAD 0x01
2441
2442#define QCA_SYSCFG_UPDATED 0x40
2443#define QCA_PATCH_UPDATED 0x80
2444#define QCA_DFU_TIMEOUT 3000
2445
2446struct qca_version {
2447 __le32 rom_version;
2448 __le32 patch_version;
2449 __le32 ram_version;
2450 __le32 ref_clock;
2451 __u8 reserved[4];
2452} __packed;
2453
2454struct qca_rampatch_version {
2455 __le16 rom_version;
2456 __le16 patch_version;
2457} __packed;
2458
2459struct qca_device_info {
bf906b3d
KBYT		 2460 u32 rom_version;
2461 u8 rampatch_hdr; /* length of header in rampatch */
2462 u8 nvm_hdr; /* length of header in NVM */
2463 u8 ver_offset; /* offset of version structure in rampatch */
3267c884
KBYT		 2464};
2465
2466static const struct qca_device_info qca_devices_table[] = {
2467 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2468 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
7f6e6363 2469 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
3267c884
KBYT		 2470 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2471 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2472 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2473};
2474
2475static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
2476 void *data, u16 size)
2477{
2478 struct btusb_data *btdata = hci_get_drvdata(hdev);
2479 struct usb_device *udev = btdata->udev;
2480 int pipe, err;
2481 u8 *buf;
2482
2483 buf = kmalloc(size, GFP_KERNEL);
2484 if (!buf)
2485 return -ENOMEM;
2486
2487 /* Found some of USB hosts have IOT issues with ours so that we should
2488 * not wait until HCI layer is ready.
2489 */
2490 pipe = usb_rcvctrlpipe(udev, 0);
2491 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
2492 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2493 if (err < 0) {
2494 BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err);
2495 goto done;
2496 }
2497
2498 memcpy(data, buf, size);
2499
2500done:
2501 kfree(buf);
2502
2503 return err;
2504}
2505
2506static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
2507 const struct firmware *firmware,
2508 size_t hdr_size)
2509{
2510 struct btusb_data *btdata = hci_get_drvdata(hdev);
2511 struct usb_device *udev = btdata->udev;
2512 size_t count, size, sent = 0;
2513 int pipe, len, err;
2514 u8 *buf;
2515
2516 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
2517 if (!buf)
2518 return -ENOMEM;
2519
2520 count = firmware->size;
2521
2522 size = min_t(size_t, count, hdr_size);
2523 memcpy(buf, firmware->data, size);
2524
2525 /* USB patches should go down to controller through USB path
2526 * because binary format fits to go down through USB channel.
2527 * USB control path is for patching headers and USB bulk is for
2528 * patch body.
2529 */
2530 pipe = usb_sndctrlpipe(udev, 0);
2531 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
2532 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2533 if (err < 0) {
2534 BT_ERR("%s: Failed to send headers (%d)", hdev->name, err);
2535 goto done;
2536 }
2537
2538 sent += size;
2539 count -= size;
2540
2541 while (count) {
2542 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
2543
2544 memcpy(buf, firmware->data + sent, size);
2545
2546 pipe = usb_sndbulkpipe(udev, 0x02);
2547 err = usb_bulk_msg(udev, pipe, buf, size, &len,
2548 QCA_DFU_TIMEOUT);
2549 if (err < 0) {
2550 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2551 hdev->name, sent, firmware->size, err);
2552 break;
2553 }
2554
2555 if (size != len) {
2556 BT_ERR("%s: Failed to get bulk buffer", hdev->name);
2557 err = -EILSEQ;
2558 break;
2559 }
2560
2561 sent += size;
2562 count -= size;
2563 }
2564
2565done:
2566 kfree(buf);
2567 return err;
2568}
2569
2570static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
2571 struct qca_version *ver,
2572 const struct qca_device_info *info)
2573{
2574 struct qca_rampatch_version *rver;
2575 const struct firmware *fw;
bf906b3d
KBYT		 2576 u32 ver_rom, ver_patch;
2577 u16 rver_rom, rver_patch;
3267c884
KBYT		 2578 char fwname[64];
2579 int err;
2580
bf906b3d
KBYT		 2581 ver_rom = le32_to_cpu(ver->rom_version);
2582 ver_patch = le32_to_cpu(ver->patch_version);
2583
2584 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
3267c884
KBYT		 2585
2586 err = request_firmware(&fw, fwname, &hdev->dev);
2587 if (err) {
2588 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2589 hdev->name, fwname, err);
2590 return err;
2591 }
2592
2593 BT_INFO("%s: using rampatch file: %s", hdev->name, fwname);
bf906b3d 2594
3267c884 2595 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
bf906b3d
KBYT		 2596 rver_rom = le16_to_cpu(rver->rom_version);
2597 rver_patch = le16_to_cpu(rver->patch_version);
2598
3267c884 2599 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
bf906b3d
KBYT		 2600 "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom,
2601 ver_patch);
3267c884 2602
bf906b3d 2603 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
3267c884
KBYT		 2604 BT_ERR("%s: rampatch file version did not match with firmware",
2605 hdev->name);
2606 err = -EINVAL;
2607 goto done;
2608 }
2609
2610 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
2611
2612done:
2613 release_firmware(fw);
2614
2615 return err;
2616}
2617
2618static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
2619 struct qca_version *ver,
2620 const struct qca_device_info *info)
2621{
2622 const struct firmware *fw;
2623 char fwname[64];
2624 int err;
2625
2626 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
2627 le32_to_cpu(ver->rom_version));
2628
2629 err = request_firmware(&fw, fwname, &hdev->dev);
2630 if (err) {
2631 BT_ERR("%s: failed to request NVM file: %s (%d)",
2632 hdev->name, fwname, err);
2633 return err;
2634 }
2635
2636 BT_INFO("%s: using NVM file: %s", hdev->name, fwname);
2637
2638 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
2639
2640 release_firmware(fw);
2641
2642 return err;
2643}
2644
2645static int btusb_setup_qca(struct hci_dev *hdev)
2646{
2647 const struct qca_device_info *info = NULL;
2648 struct qca_version ver;
bf906b3d 2649 u32 ver_rom;
3267c884
KBYT		 2650 u8 status;
2651 int i, err;
2652
2653 err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
eb50042f 2654 sizeof(ver));
3267c884
KBYT		 2655 if (err < 0)
2656 return err;
2657
bf906b3d 2658 ver_rom = le32_to_cpu(ver.rom_version);
3267c884 2659 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
bf906b3d 2660 if (ver_rom == qca_devices_table[i].rom_version)
3267c884
KBYT		 2661 info = &qca_devices_table[i];
2662 }
2663 if (!info) {
2664 BT_ERR("%s: don't support firmware rome 0x%x", hdev->name,
bf906b3d 2665 ver_rom);
3267c884
KBYT		 2666 return -ENODEV;
2667 }
2668
2669 err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status,
2670 sizeof(status));
2671 if (err < 0)
2672 return err;
2673
2674 if (!(status & QCA_PATCH_UPDATED)) {
2675 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
2676 if (err < 0)
2677 return err;
2678 }
2679
2680 if (!(status & QCA_SYSCFG_UPDATED)) {
2681 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
2682 if (err < 0)
2683 return err;
2684 }
2685
2686 return 0;
2687}
2688
9d08f504
MH		 2689#ifdef CONFIG_BT_HCIBTUSB_BCM
2690static inline int __set_diag_interface(struct hci_dev *hdev)
2691{
2692 struct btusb_data *data = hci_get_drvdata(hdev);
2693 struct usb_interface *intf = data->diag;
2694 int i;
2695
2696 if (!data->diag)
2697 return -ENODEV;
2698
2699 data->diag_tx_ep = NULL;
2700 data->diag_rx_ep = NULL;
2701
2702 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2703 struct usb_endpoint_descriptor *ep_desc;
2704
2705 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2706
2707 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2708 data->diag_tx_ep = ep_desc;
2709 continue;
2710 }
2711
2712 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2713 data->diag_rx_ep = ep_desc;
2714 continue;
2715 }
2716 }
2717
2718 if (!data->diag_tx_ep || !data->diag_rx_ep) {
2719 BT_ERR("%s invalid diagnostic descriptors", hdev->name);
2720 return -ENODEV;
2721 }
2722
2723 return 0;
2724}
2725
2726static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
2727{
2728 struct btusb_data *data = hci_get_drvdata(hdev);
2729 struct sk_buff *skb;
2730 struct urb *urb;
2731 unsigned int pipe;
2732
2733 if (!data->diag_tx_ep)
2734 return ERR_PTR(-ENODEV);
2735
2736 urb = usb_alloc_urb(0, GFP_KERNEL);
2737 if (!urb)
2738 return ERR_PTR(-ENOMEM);
2739
2740 skb = bt_skb_alloc(2, GFP_KERNEL);
2741 if (!skb) {
2742 usb_free_urb(urb);
2743 return ERR_PTR(-ENOMEM);
2744 }
2745
2746 *skb_put(skb, 1) = 0xf0;
2747 *skb_put(skb, 1) = enable;
2748
2749 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
2750
2751 usb_fill_bulk_urb(urb, data->udev, pipe,
2752 skb->data, skb->len, btusb_tx_complete, skb);
2753
2754 skb->dev = (void *)hdev;
2755
2756 return urb;
2757}
2758
2759static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
2760{
2761 struct btusb_data *data = hci_get_drvdata(hdev);
2762 struct urb *urb;
2763
2764 if (!data->diag)
2765 return -ENODEV;
2766
2767 if (!test_bit(HCI_RUNNING, &hdev->flags))
2768 return -ENETDOWN;
2769
2770 urb = alloc_diag_urb(hdev, enable);
2771 if (IS_ERR(urb))
2772 return PTR_ERR(urb);
2773
2774 return submit_or_queue_tx_urb(hdev, urb);
2775}
2776#endif
2777
5e23b923 2778static int btusb_probe(struct usb_interface *intf,
89e7533d 2779 const struct usb_device_id *id)
5e23b923
MH		 2780{
2781 struct usb_endpoint_descriptor *ep_desc;
2782 struct btusb_data *data;
2783 struct hci_dev *hdev;
22f8e9db 2784 unsigned ifnum_base;
5e23b923
MH		 2785 int i, err;
2786
2787 BT_DBG("intf %p id %p", intf, id);
2788
cfeb4145 2789 /* interface numbers are hardcoded in the spec */
22f8e9db
MH		 2790 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
2791 if (!(id->driver_info & BTUSB_IFNUM_2))
2792 return -ENODEV;
2793 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
2794 return -ENODEV;
2795 }
2796
2797 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
5e23b923
MH		 2798
2799 if (!id->driver_info) {
2800 const struct usb_device_id *match;
89e7533d 2801
5e23b923
MH		 2802 match = usb_match_id(intf, blacklist_table);
2803 if (match)
2804 id = match;
2805 }
2806
cfeb4145
MH		 2807 if (id->driver_info == BTUSB_IGNORE)
2808 return -ENODEV;
2809
2d25f8b4
SL		 2810 if (id->driver_info & BTUSB_ATH3012) {
2811 struct usb_device *udev = interface_to_usbdev(intf);
2812
2813 /* Old firmware would otherwise let ath3k driver load
2814 * patch and sysconfig files */
2815 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
2816 return -ENODEV;
2817 }
2818
98921dbd 2819 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
5e23b923
MH		 2820 if (!data)
2821 return -ENOMEM;
2822
2823 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2824 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2825
2826 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
2827 data->intr_ep = ep_desc;
2828 continue;
2829 }
2830
2831 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2832 data->bulk_tx_ep = ep_desc;
2833 continue;
2834 }
2835
2836 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2837 data->bulk_rx_ep = ep_desc;
2838 continue;
2839 }
2840 }
2841
98921dbd 2842 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
5e23b923 2843 return -ENODEV;
5e23b923 2844
893ba544
MH		 2845 if (id->driver_info & BTUSB_AMP) {
2846 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
2847 data->cmdreq = 0x2b;
2848 } else {
2849 data->cmdreq_type = USB_TYPE_CLASS;
2850 data->cmdreq = 0x00;
2851 }
7a9d4020 2852
5e23b923 2853 data->udev = interface_to_usbdev(intf);
5fbcd260 2854 data->intf = intf;
5e23b923 2855
5e23b923 2856 INIT_WORK(&data->work, btusb_work);
7bee549e 2857 INIT_WORK(&data->waker, btusb_waker);
803b5836
MH		 2858 init_usb_anchor(&data->deferred);
2859 init_usb_anchor(&data->tx_anchor);
7bee549e 2860 spin_lock_init(&data->txlock);
5e23b923 2861
5e23b923
MH		 2862 init_usb_anchor(&data->intr_anchor);
2863 init_usb_anchor(&data->bulk_anchor);
9bfa35fe 2864 init_usb_anchor(&data->isoc_anchor);
9d08f504 2865 init_usb_anchor(&data->diag_anchor);
803b5836 2866 spin_lock_init(&data->rxlock);
5e23b923 2867
cda0dd78
MH		 2868 if (id->driver_info & BTUSB_INTEL_NEW) {
2869 data->recv_event = btusb_recv_event_intel;
2870 data->recv_bulk = btusb_recv_bulk_intel;
2871 set_bit(BTUSB_BOOTLOADER, &data->flags);
2872 } else {
2873 data->recv_event = hci_recv_frame;
2874 data->recv_bulk = btusb_recv_bulk;
2875 }
2cbd3f5c 2876
5e23b923 2877 hdev = hci_alloc_dev();
98921dbd 2878 if (!hdev)
5e23b923 2879 return -ENOMEM;
5e23b923 2880
c13854ce 2881 hdev->bus = HCI_USB;
155961e8 2882 hci_set_drvdata(hdev, data);
5e23b923 2883
893ba544
MH		 2884 if (id->driver_info & BTUSB_AMP)
2885 hdev->dev_type = HCI_AMP;
2886 else
2887 hdev->dev_type = HCI_BREDR;
2888
5e23b923
MH		 2889 data->hdev = hdev;
2890
2891 SET_HCIDEV_DEV(hdev, &intf->dev);
2892
9f8f962c
MH		 2893 hdev->open = btusb_open;
2894 hdev->close = btusb_close;
2895 hdev->flush = btusb_flush;
2896 hdev->send = btusb_send_frame;
2897 hdev->notify = btusb_notify;
2898
6c9d435d
MH		 2899 if (id->driver_info & BTUSB_BCM2045)
2900 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
2901
9f8f962c
MH		 2902 if (id->driver_info & BTUSB_BCM92035)
2903 hdev->setup = btusb_setup_bcm92035;
5e23b923 2904
c2bfb100 2905#ifdef CONFIG_BT_HCIBTUSB_BCM
abbaf50e 2906 if (id->driver_info & BTUSB_BCM_PATCHRAM) {
49a5f782 2907 hdev->manufacturer = 15;
c2bfb100 2908 hdev->setup = btbcm_setup_patchram;
9d08f504 2909 hdev->set_diag = btusb_bcm_set_diag;
1df1f591 2910 hdev->set_bdaddr = btbcm_set_bdaddr;
9d08f504
MH		 2911
2912 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 2913 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
abbaf50e 2914 }
10d4c673 2915
9d08f504 2916 if (id->driver_info & BTUSB_BCM_APPLE) {
49a5f782 2917 hdev->manufacturer = 15;
c2bfb100 2918 hdev->setup = btbcm_setup_apple;
9d08f504
MH		 2919 hdev->set_diag = btusb_bcm_set_diag;
2920
2921 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 2922 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
9d08f504 2923 }
c2bfb100 2924#endif
17b2772b 2925
cb8d6597 2926 if (id->driver_info & BTUSB_INTEL) {
49a5f782 2927 hdev->manufacturer = 2;
dffd30ee 2928 hdev->setup = btusb_setup_intel;
bfbd45e9 2929 hdev->shutdown = btusb_shutdown_intel;
3e24767b 2930 hdev->set_diag = btintel_set_diag_mfg;
4185a0f5 2931 hdev->set_bdaddr = btintel_set_bdaddr;
c33fb9b4 2932 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
c1154842 2933 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3e24767b 2934 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
cb8d6597 2935 }
dffd30ee 2936
cda0dd78 2937 if (id->driver_info & BTUSB_INTEL_NEW) {
49a5f782 2938 hdev->manufacturer = 2;
cda0dd78
MH		 2939 hdev->send = btusb_send_frame_intel;
2940 hdev->setup = btusb_setup_intel_new;
eeb6abe9 2941 hdev->hw_error = btintel_hw_error;
6d2e50d2 2942 hdev->set_diag = btintel_set_diag;
4185a0f5 2943 hdev->set_bdaddr = btintel_set_bdaddr;
b970c5ba 2944 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
d8270fbb 2945 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
cda0dd78
MH		 2946 }
2947
34244063 2948 if (id->driver_info & BTUSB_MARVELL)
ae8df494
AK		 2949 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
2950
661cf88a
MH		 2951 if (id->driver_info & BTUSB_SWAVE) {
2952 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
d57dbe77 2953 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
661cf88a 2954 }
d57dbe77 2955
e4c534bb
MH		 2956 if (id->driver_info & BTUSB_INTEL_BOOT) {
2957 hdev->manufacturer = 2;
40df783d 2958 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
e4c534bb 2959 }
40df783d 2960
79f0c87d 2961 if (id->driver_info & BTUSB_ATH3012) {
5859223e 2962 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3d50d51a 2963 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
79f0c87d
JP		 2964 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
2965 }
5859223e 2966
3267c884
KBYT		 2967 if (id->driver_info & BTUSB_QCA_ROME) {
2968 data->setup_on_usb = btusb_setup_qca;
2969 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
2970 }
2971
db33c77d 2972#ifdef CONFIG_BT_HCIBTUSB_RTL
04b8c814 2973 if (id->driver_info & BTUSB_REALTEK) {
db33c77d 2974 hdev->setup = btrtl_setup_realtek;
04b8c814
DD		 2975
2976 /* Realtek devices lose their updated firmware over suspend,
2977 * but the USB hub doesn't notice any status change.
2978 * Explicitly request a device reset on resume.
2979 */
2980 set_bit(BTUSB_RESET_RESUME, &data->flags);
2981 }
db33c77d 2982#endif
a2698a9b 2983
893ba544
MH		 2984 if (id->driver_info & BTUSB_AMP) {
2985 /* AMP controllers do not support SCO packets */
2986 data->isoc = NULL;
2987 } else {
22f8e9db
MH		 2988 /* Interface orders are hardcoded in the specification */
2989 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
893ba544 2990 }
9bfa35fe 2991
7a9d4020 2992 if (!reset)
a6c511c6 2993 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
cfeb4145
MH		 2994
2995 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
2996 if (!disable_scofix)
2997 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
2998 }
2999
9bfa35fe
MH		 3000 if (id->driver_info & BTUSB_BROKEN_ISOC)
3001 data->isoc = NULL;
3002
7a9d4020
MH		 3003 if (id->driver_info & BTUSB_DIGIANSWER) {
3004 data->cmdreq_type = USB_TYPE_VENDOR;
a6c511c6 3005 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
7a9d4020
MH		 3006 }
3007
3008 if (id->driver_info & BTUSB_CSR) {
3009 struct usb_device *udev = data->udev;
81cac64b 3010 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
7a9d4020
MH		 3011
3012 /* Old firmware would otherwise execute USB reset */
81cac64b 3013 if (bcdDevice < 0x117)
a6c511c6 3014 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b
MH		 3015
3016 /* Fake CSR devices with broken commands */
6cafcd95 3017 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
81cac64b 3018 hdev->setup = btusb_setup_csr;
49c989a0
JP		 3019
3020 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
7a9d4020
MH		 3021 }
3022
cfeb4145 3023 if (id->driver_info & BTUSB_SNIFFER) {
9bfa35fe 3024 struct usb_device *udev = data->udev;
cfeb4145 3025
7a9d4020 3026 /* New sniffer firmware has crippled HCI interface */
cfeb4145
MH		 3027 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
3028 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
3029 }
3030
3a5ef20c
MH		 3031 if (id->driver_info & BTUSB_INTEL_BOOT) {
3032 /* A bug in the bootloader causes that interrupt interface is
3033 * only enabled after receiving SetInterface(0, AltSetting=0).
3034 */
3035 err = usb_set_interface(data->udev, 0, 0);
3036 if (err < 0) {
3037 BT_ERR("failed to set interface 0, alt 0 %d", err);
3038 hci_free_dev(hdev);
3039 return err;
3040 }
3041 }
3042
9bfa35fe
MH		 3043 if (data->isoc) {
3044 err = usb_driver_claim_interface(&btusb_driver,
89e7533d 3045 data->isoc, data);
9bfa35fe
MH		 3046 if (err < 0) {
3047 hci_free_dev(hdev);
9bfa35fe
MH		 3048 return err;
3049 }
3050 }
3051
9d08f504
MH		 3052#ifdef CONFIG_BT_HCIBTUSB_BCM
3053 if (data->diag) {
3054 if (!usb_driver_claim_interface(&btusb_driver,
3055 data->diag, data))
3056 __set_diag_interface(hdev);
3057 else
3058 data->diag = NULL;
3059 }
3060#endif
3061
5e23b923
MH		 3062 err = hci_register_dev(hdev);
3063 if (err < 0) {
3064 hci_free_dev(hdev);
5e23b923
MH		 3065 return err;
3066 }
3067
3068 usb_set_intfdata(intf, data);
3069
3070 return 0;
3071}
3072
3073static void btusb_disconnect(struct usb_interface *intf)
3074{
3075 struct btusb_data *data = usb_get_intfdata(intf);
3076 struct hci_dev *hdev;
3077
3078 BT_DBG("intf %p", intf);
3079
3080 if (!data)
3081 return;
3082
3083 hdev = data->hdev;
5fbcd260
MH		 3084 usb_set_intfdata(data->intf, NULL);
3085
3086 if (data->isoc)
3087 usb_set_intfdata(data->isoc, NULL);
5e23b923 3088
9d08f504
MH		 3089 if (data->diag)
3090 usb_set_intfdata(data->diag, NULL);
3091
5e23b923
MH		 3092 hci_unregister_dev(hdev);
3093
9d08f504
MH		 3094 if (intf == data->intf) {
3095 if (data->isoc)
3096 usb_driver_release_interface(&btusb_driver, data->isoc);
3097 if (data->diag)
3098 usb_driver_release_interface(&btusb_driver, data->diag);
3099 } else if (intf == data->isoc) {
3100 if (data->diag)
3101 usb_driver_release_interface(&btusb_driver, data->diag);
5fbcd260 3102 usb_driver_release_interface(&btusb_driver, data->intf);
9d08f504
MH		 3103 } else if (intf == data->diag) {
3104 usb_driver_release_interface(&btusb_driver, data->intf);
3105 if (data->isoc)
3106 usb_driver_release_interface(&btusb_driver, data->isoc);
3107 }
5fbcd260 3108
5e23b923
MH		 3109 hci_free_dev(hdev);
3110}
3111
7bee549e 3112#ifdef CONFIG_PM
6a88adf2
MH		 3113static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
3114{
3115 struct btusb_data *data = usb_get_intfdata(intf);
3116
3117 BT_DBG("intf %p", intf);
3118
3119 if (data->suspend_count++)
3120 return 0;
3121
7bee549e 3122 spin_lock_irq(&data->txlock);
5b1b0b81 3123 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
7bee549e
ON		 3124 set_bit(BTUSB_SUSPENDING, &data->flags);
3125 spin_unlock_irq(&data->txlock);
3126 } else {
3127 spin_unlock_irq(&data->txlock);
3128 data->suspend_count--;
3129 return -EBUSY;
3130 }
3131
6a88adf2
MH		 3132 cancel_work_sync(&data->work);
3133
7bee549e 3134 btusb_stop_traffic(data);
6a88adf2
MH		 3135 usb_kill_anchored_urbs(&data->tx_anchor);
3136
04b8c814
DD		 3137 /* Optionally request a device reset on resume, but only when
3138 * wakeups are disabled. If wakeups are enabled we assume the
3139 * device will stay powered up throughout suspend.
3140 */
3141 if (test_bit(BTUSB_RESET_RESUME, &data->flags) &&
3142 !device_may_wakeup(&data->udev->dev))
3143 data->udev->reset_resume = 1;
3144
6a88adf2
MH		 3145 return 0;
3146}
3147
7bee549e
ON		 3148static void play_deferred(struct btusb_data *data)
3149{
3150 struct urb *urb;
3151 int err;
3152
3153 while ((urb = usb_get_from_anchor(&data->deferred))) {
3154 err = usb_submit_urb(urb, GFP_ATOMIC);
3155 if (err < 0)
3156 break;
3157
3158 data->tx_in_flight++;
3159 }
3160 usb_scuttle_anchored_urbs(&data->deferred);
3161}
3162
6a88adf2
MH		 3163static int btusb_resume(struct usb_interface *intf)
3164{
3165 struct btusb_data *data = usb_get_intfdata(intf);
3166 struct hci_dev *hdev = data->hdev;
7bee549e 3167 int err = 0;
6a88adf2
MH		 3168
3169 BT_DBG("intf %p", intf);
3170
3171 if (--data->suspend_count)
3172 return 0;
3173
3174 if (!test_bit(HCI_RUNNING, &hdev->flags))
7bee549e 3175 goto done;
6a88adf2
MH		 3176
3177 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
3178 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
3179 if (err < 0) {
3180 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 3181 goto failed;
6a88adf2
MH		 3182 }
3183 }
3184
3185 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
43c2e57f
MH		 3186 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
3187 if (err < 0) {
6a88adf2 3188 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
7bee549e
ON		 3189 goto failed;
3190 }
3191
3192 btusb_submit_bulk_urb(hdev, GFP_NOIO);
6a88adf2
MH		 3193 }
3194
3195 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
3196 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
3197 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3198 else
3199 btusb_submit_isoc_urb(hdev, GFP_NOIO);
3200 }
3201
7bee549e
ON		 3202 spin_lock_irq(&data->txlock);
3203 play_deferred(data);
3204 clear_bit(BTUSB_SUSPENDING, &data->flags);
3205 spin_unlock_irq(&data->txlock);
3206 schedule_work(&data->work);
3207
6a88adf2 3208 return 0;
7bee549e
ON		 3209
3210failed:
3211 usb_scuttle_anchored_urbs(&data->deferred);
3212done:
3213 spin_lock_irq(&data->txlock);
3214 clear_bit(BTUSB_SUSPENDING, &data->flags);
3215 spin_unlock_irq(&data->txlock);
3216
3217 return err;
6a88adf2 3218}
7bee549e 3219#endif
6a88adf2 3220
5e23b923
MH		 3221static struct usb_driver btusb_driver = {
3222 .name = "btusb",
3223 .probe = btusb_probe,
3224 .disconnect = btusb_disconnect,
7bee549e 3225#ifdef CONFIG_PM
6a88adf2
MH		 3226 .suspend = btusb_suspend,
3227 .resume = btusb_resume,
7bee549e 3228#endif
5e23b923 3229 .id_table = btusb_table,
7bee549e 3230 .supports_autosuspend = 1,
e1f12eb6 3231 .disable_hub_initiated_lpm = 1,
5e23b923
MH		 3232};
3233
93f1508c 3234module_usb_driver(btusb_driver);
5e23b923 3235
cfeb4145
MH		 3236module_param(disable_scofix, bool, 0644);
3237MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
3238
3239module_param(force_scofix, bool, 0644);
3240MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
3241
3242module_param(reset, bool, 0644);
3243MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
3244
5e23b923
MH		 3245MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3246MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
3247MODULE_VERSION(VERSION);
3248MODULE_LICENSE("GPL");
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