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Merge tag 'perf-core-for-mingo-20160606' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-block.git] / drivers / bluetooth / btusb.c
CommitLineData
5e23b923
MH		 1/*
2 *
3 * Generic Bluetooth USB driver
4 *
9bfa35fe 5 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
5e23b923
MH		 6 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
5e23b923 24#include <linux/module.h>
5e23b923 25#include <linux/usb.h>
dffd30ee 26#include <linux/firmware.h>
a2698a9b 27#include <asm/unaligned.h>
5e23b923
MH		 28
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
31
4185a0f5 32#include "btintel.h"
1df1f591 33#include "btbcm.h"
db33c77d 34#include "btrtl.h"
1df1f591 35
34dced9b 36#define VERSION "0.8"
cfeb4145 37
90ab5ee9
RR		 38static bool disable_scofix;
39static bool force_scofix;
7a9d4020 40
917a3337 41static bool reset = true;
cfeb4145
MH		 42
43static struct usb_driver btusb_driver;
44
45#define BTUSB_IGNORE 0x01
7a9d4020
MH		 46#define BTUSB_DIGIANSWER 0x02
47#define BTUSB_CSR 0x04
48#define BTUSB_SNIFFER 0x08
49#define BTUSB_BCM92035 0x10
50#define BTUSB_BROKEN_ISOC 0x20
51#define BTUSB_WRONG_SCO_MTU 0x40
2d25f8b4 52#define BTUSB_ATH3012 0x80
dffd30ee 53#define BTUSB_INTEL 0x100
40df783d
MH		 54#define BTUSB_INTEL_BOOT 0x200
55#define BTUSB_BCM_PATCHRAM 0x400
ae8df494 56#define BTUSB_MARVELL 0x800
4fcef8ed 57#define BTUSB_SWAVE 0x1000
cda0dd78 58#define BTUSB_INTEL_NEW 0x2000
893ba544 59#define BTUSB_AMP 0x4000
3267c884 60#define BTUSB_QCA_ROME 0x8000
17b2772b 61#define BTUSB_BCM_APPLE 0x10000
a2698a9b 62#define BTUSB_REALTEK 0x20000
6c9d435d 63#define BTUSB_BCM2045 0x40000
22f8e9db 64#define BTUSB_IFNUM_2 0x80000
5e23b923 65
54265202 66static const struct usb_device_id btusb_table[] = {
5e23b923
MH		 67 /* Generic Bluetooth USB device */
68 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
69
893ba544
MH		 70 /* Generic Bluetooth AMP device */
71 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
72
d63b2826
DD		 73 /* Generic Bluetooth USB interface */
74 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
75
1fa6535f 76 /* Apple-specific (Broadcom) devices */
17b2772b 77 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
22f8e9db 78 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
1fa6535f 79
178c059e
CYC		 80 /* MediaTek MT76x0E */
81 { USB_DEVICE(0x0e8d, 0x763f) },
82
c510eae3 83 /* Broadcom SoftSailing reporting vendor specific */
2e8b5063 84 { USB_DEVICE(0x0a5c, 0x21e1) },
c510eae3 85
3cd01976
NI		 86 /* Apple MacBookPro 7,1 */
87 { USB_DEVICE(0x05ac, 0x8213) },
88
0a79f674
CL		 89 /* Apple iMac11,1 */
90 { USB_DEVICE(0x05ac, 0x8215) },
91
9c047157
NI		 92 /* Apple MacBookPro6,2 */
93 { USB_DEVICE(0x05ac, 0x8218) },
94
3e3ede7d
EH		 95 /* Apple MacBookAir3,1, MacBookAir3,2 */
96 { USB_DEVICE(0x05ac, 0x821b) },
97
a63b723d
PAVM		 98 /* Apple MacBookAir4,1 */
99 { USB_DEVICE(0x05ac, 0x821f) },
100
88d377b6
MAP		 101 /* Apple MacBookPro8,2 */
102 { USB_DEVICE(0x05ac, 0x821a) },
103
f78b6826
JK		 104 /* Apple MacMini5,1 */
105 { USB_DEVICE(0x05ac, 0x8281) },
106
cfeb4145 107 /* AVM BlueFRITZ! USB v2.0 */
4fcef8ed 108 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
cfeb4145
MH		 109
110 /* Bluetooth Ultraport Module from IBM */
111 { USB_DEVICE(0x04bf, 0x030a) },
112
113 /* ALPS Modules with non-standard id */
114 { USB_DEVICE(0x044e, 0x3001) },
115 { USB_DEVICE(0x044e, 0x3002) },
116
117 /* Ericsson with non-standard id */
118 { USB_DEVICE(0x0bdb, 0x1002) },
119
120 /* Canyon CN-BTU1 with HID interfaces */
7a9d4020 121 { USB_DEVICE(0x0c10, 0x0000) },
cfeb4145 122
d13431ca
WJS		 123 /* Broadcom BCM20702A0 */
124 { USB_DEVICE(0x413c, 0x8197) },
125
d049f4e5
MH		 126 /* Broadcom BCM20702B0 (Dynex/Insignia) */
127 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
128
2faf71ce
SR		 129 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
130 { USB_DEVICE(0x105b, 0xe065), .driver_info = BTUSB_BCM_PATCHRAM },
131
98514036 132 /* Foxconn - Hon Hai */
6029ddc2
HS		 133 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
134 .driver_info = BTUSB_BCM_PATCHRAM },
98514036 135
8f0c304c
MD		 136 /* Lite-On Technology - Broadcom based */
137 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
138 .driver_info = BTUSB_BCM_PATCHRAM },
139
0b880062 140 /* Broadcom devices with vendor specific id */
10d4c673
PG		 141 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
142 .driver_info = BTUSB_BCM_PATCHRAM },
92c385f4 143
c2aef6e8 144 /* ASUSTek Computer - Broadcom based */
9a5abdaa
RD		 145 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
146 .driver_info = BTUSB_BCM_PATCHRAM },
c2aef6e8 147
5bcecf32 148 /* Belkin F8065bf - Broadcom based */
6331c686
MH		 149 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
150 .driver_info = BTUSB_BCM_PATCHRAM },
5bcecf32 151
9113bfd8 152 /* IMC Networks - Broadcom based */
6331c686
MH		 153 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
154 .driver_info = BTUSB_BCM_PATCHRAM },
9113bfd8 155
1623d0bf
DT		 156 /* Toshiba Corp - Broadcom based */
157 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
158 .driver_info = BTUSB_BCM_PATCHRAM },
159
40df783d 160 /* Intel Bluetooth USB Bootloader (RAM module) */
d92f2df0
MH		 161 { USB_DEVICE(0x8087, 0x0a5a),
162 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
40df783d 163
5e23b923
MH		 164 { } /* Terminating entry */
165};
166
167MODULE_DEVICE_TABLE(usb, btusb_table);
168
54265202 169static const struct usb_device_id blacklist_table[] = {
cfeb4145
MH		 170 /* CSR BlueCore devices */
171 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
172
173 /* Broadcom BCM2033 without firmware */
174 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
175
6c9d435d
MH		 176 /* Broadcom BCM2045 devices */
177 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
178
be93112a 179 /* Atheros 3011 with sflash firmware */
0b880062
AS		 180 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
181 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
2eeff0b4 182 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
0b880062 183 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
be93112a 184 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
6eda541d 185 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
2a7bcccc 186 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
be93112a 187
509e7861
CYC		 188 /* Atheros AR9285 Malbec with sflash firmware */
189 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
190
d9f51b51 191 /* Atheros 3012 with sflash firmware */
0b880062
AS		 192 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
193 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
194 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
195 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
196 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
692c062e 197 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
4b552bc9 198 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
28c971d8 199 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 200 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
201 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
202 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
203 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
1fb4e09a 204 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 205 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
206 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
7e730c7f 207 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
ec0810d2 208 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
134d3b35 209 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
81d90442 210 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
0b880062 211 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
cd355ff0 212 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
0b880062 213 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
89d2975f 214 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
a735f9e2 215 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
d66629c1 216 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
2d25f8b4 217 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
94a32d10 218 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
07c0ea87 219 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
b131237c 220 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
1e56f1eb 221 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
0b880062 222 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
ebaf5795 223 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
18e0afab 224 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
0b880062 225 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
ac71311e 226 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc 227 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
ca79f232 228 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
0b880062
AS		 229 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
230 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
eed307e2 231 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
609574eb 232 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
5b77a1f3 233 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
3bb30a7c 234 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
033efa92 235 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
fa2f1394 236 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
75c6aca4 237 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
0d0cef61 238 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
72f9f8b5 239 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
d9f51b51 240
e9036e33
CYC		 241 /* Atheros AR5BBU12 with sflash firmware */
242 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
243
85d59726 244 /* Atheros AR5BBU12 with sflash firmware */
bc21fde2 245 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
0b880062 246 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
85d59726 247
3267c884 248 /* QCA ROME chipset */
2054111b 249 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
c9e44474
MH		 250 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
251 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
3267c884 252
cfeb4145 253 /* Broadcom BCM2035 */
7a9d4020 254 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
0b880062
AS		 255 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
256 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 257
258 /* Broadcom BCM2045 */
7a9d4020
MH		 259 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
260 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
bdbef3d6 261
cfeb4145 262 /* IBM/Lenovo ThinkPad with Broadcom chip */
7a9d4020
MH		 263 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
264 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 265
266 /* HP laptop with Broadcom chip */
7a9d4020 267 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145
MH		 268
269 /* Dell laptop with Broadcom chip */
7a9d4020 270 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 271
5ddd4a60 272 /* Dell Wireless 370 and 410 devices */
7a9d4020 273 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
5ddd4a60 274 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 275
7a9d4020
MH		 276 /* Belkin F8T012 and F8T013 devices */
277 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
278 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
cfeb4145 279
5ddd4a60
MH		 280 /* Asus WL-BTD202 device */
281 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
282
283 /* Kensington Bluetooth USB adapter */
284 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
285
cfeb4145
MH		 286 /* RTX Telecom based adapters with buggy SCO support */
287 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
288 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
289
290 /* CONWISE Technology based adapters with buggy SCO support */
291 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
292
4fcef8ed 293 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
2eeac871 294 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
4fcef8ed 295
cfeb4145
MH		 296 /* Digianswer devices */
297 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
298 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
299
300 /* CSR BlueCore Bluetooth Sniffer */
4f64fa80
MH		 301 { USB_DEVICE(0x0a12, 0x0002),
302 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145
MH		 303
304 /* Frontline ComProbe Bluetooth Sniffer */
4f64fa80
MH		 305 { USB_DEVICE(0x16d3, 0x0002),
306 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
cfeb4145 307
cb1ee89f
MH		 308 /* Marvell Bluetooth devices */
309 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
310 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
311
d0ac9eb7 312 /* Intel Bluetooth devices */
407550fe 313 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
dffd30ee 314 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
ef4e5e4a 315 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
cda0dd78 316 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
dffd30ee 317
d0ac9eb7
MH		 318 /* Other Intel Bluetooth devices */
319 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
320 .driver_info = BTUSB_IGNORE },
ae8df494 321
a2698a9b
DD		 322 /* Realtek Bluetooth devices */
323 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
324 .driver_info = BTUSB_REALTEK },
325
326 /* Additional Realtek 8723AE Bluetooth devices */
327 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
328 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
329
330 /* Additional Realtek 8723BE Bluetooth devices */
331 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
332 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
333 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
334 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
335 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
336
337 /* Additional Realtek 8821AE Bluetooth devices */
338 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
339 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
340 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
341 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
342 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
343
4481c076
PP		 344 /* Silicon Wave based devices */
345 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
346
5e23b923
MH		 347 { } /* Terminating entry */
348};
349
9bfa35fe
MH		 350#define BTUSB_MAX_ISOC_FRAMES 10
351
5e23b923
MH		 352#define BTUSB_INTR_RUNNING 0
353#define BTUSB_BULK_RUNNING 1
9bfa35fe 354#define BTUSB_ISOC_RUNNING 2
7bee549e 355#define BTUSB_SUSPENDING 3
08b8b6c4 356#define BTUSB_DID_ISO_RESUME 4
cda0dd78
MH		 357#define BTUSB_BOOTLOADER 5
358#define BTUSB_DOWNLOADING 6
ce6bb929 359#define BTUSB_FIRMWARE_LOADED 7
cda0dd78 360#define BTUSB_FIRMWARE_FAILED 8
ce6bb929 361#define BTUSB_BOOTING 9
04b8c814 362#define BTUSB_RESET_RESUME 10
9d08f504 363#define BTUSB_DIAG_RUNNING 11
5e23b923
MH		 364
365struct btusb_data {
366 struct hci_dev *hdev;
367 struct usb_device *udev;
5fbcd260 368 struct usb_interface *intf;
9bfa35fe 369 struct usb_interface *isoc;
9d08f504 370 struct usb_interface *diag;
5e23b923 371
5e23b923
MH		 372 unsigned long flags;
373
374 struct work_struct work;
7bee549e 375 struct work_struct waker;
5e23b923 376
803b5836 377 struct usb_anchor deferred;
5e23b923 378 struct usb_anchor tx_anchor;
803b5836
MH		 379 int tx_in_flight;
380 spinlock_t txlock;
381
5e23b923
MH		 382 struct usb_anchor intr_anchor;
383 struct usb_anchor bulk_anchor;
9bfa35fe 384 struct usb_anchor isoc_anchor;
9d08f504 385 struct usb_anchor diag_anchor;
803b5836
MH		 386 spinlock_t rxlock;
387
388 struct sk_buff *evt_skb;
389 struct sk_buff *acl_skb;
390 struct sk_buff *sco_skb;
5e23b923
MH		 391
392 struct usb_endpoint_descriptor *intr_ep;
393 struct usb_endpoint_descriptor *bulk_tx_ep;
394 struct usb_endpoint_descriptor *bulk_rx_ep;
9bfa35fe
MH		 395 struct usb_endpoint_descriptor *isoc_tx_ep;
396 struct usb_endpoint_descriptor *isoc_rx_ep;
9d08f504
MH		 397 struct usb_endpoint_descriptor *diag_tx_ep;
398 struct usb_endpoint_descriptor *diag_rx_ep;
9bfa35fe 399
7a9d4020 400 __u8 cmdreq_type;
893ba544 401 __u8 cmdreq;
7a9d4020 402
43c2e57f 403 unsigned int sco_num;
9bfa35fe 404 int isoc_altsetting;
6a88adf2 405 int suspend_count;
2cbd3f5c 406
97307f51 407 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
2cbd3f5c 408 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
ace31982
KBYT		 409
410 int (*setup_on_usb)(struct hci_dev *hdev);
5e23b923
MH		 411};
412
803b5836
MH		 413static inline void btusb_free_frags(struct btusb_data *data)
414{
415 unsigned long flags;
416
417 spin_lock_irqsave(&data->rxlock, flags);
418
419 kfree_skb(data->evt_skb);
420 data->evt_skb = NULL;
421
422 kfree_skb(data->acl_skb);
423 data->acl_skb = NULL;
424
425 kfree_skb(data->sco_skb);
426 data->sco_skb = NULL;
427
428 spin_unlock_irqrestore(&data->rxlock, flags);
429}
430
1ffa4ad0
MH		 431static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
432{
803b5836
MH		 433 struct sk_buff *skb;
434 int err = 0;
435
436 spin_lock(&data->rxlock);
437 skb = data->evt_skb;
438
439 while (count) {
440 int len;
441
442 if (!skb) {
443 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
444 if (!skb) {
445 err = -ENOMEM;
446 break;
447 }
448
618e8bc2
MH		 449 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
450 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
803b5836
MH		 451 }
452
618e8bc2 453 len = min_t(uint, hci_skb_expect(skb), count);
803b5836
MH		 454 memcpy(skb_put(skb, len), buffer, len);
455
456 count -= len;
457 buffer += len;
618e8bc2 458 hci_skb_expect(skb) -= len;
803b5836
MH		 459
460 if (skb->len == HCI_EVENT_HDR_SIZE) {
461 /* Complete event header */
618e8bc2 462 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
803b5836 463
618e8bc2 464 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 465 kfree_skb(skb);
466 skb = NULL;
467
468 err = -EILSEQ;
469 break;
470 }
471 }
472
618e8bc2 473 if (!hci_skb_expect(skb)) {
803b5836 474 /* Complete frame */
97307f51 475 data->recv_event(data->hdev, skb);
803b5836
MH		 476 skb = NULL;
477 }
478 }
479
480 data->evt_skb = skb;
481 spin_unlock(&data->rxlock);
482
483 return err;
1ffa4ad0
MH		 484}
485
486static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
487{
803b5836
MH		 488 struct sk_buff *skb;
489 int err = 0;
490
491 spin_lock(&data->rxlock);
492 skb = data->acl_skb;
493
494 while (count) {
495 int len;
496
497 if (!skb) {
498 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
499 if (!skb) {
500 err = -ENOMEM;
501 break;
502 }
503
618e8bc2
MH		 504 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
505 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
803b5836
MH		 506 }
507
618e8bc2 508 len = min_t(uint, hci_skb_expect(skb), count);
803b5836
MH		 509 memcpy(skb_put(skb, len), buffer, len);
510
511 count -= len;
512 buffer += len;
618e8bc2 513 hci_skb_expect(skb) -= len;
803b5836
MH		 514
515 if (skb->len == HCI_ACL_HDR_SIZE) {
516 __le16 dlen = hci_acl_hdr(skb)->dlen;
517
518 /* Complete ACL header */
618e8bc2 519 hci_skb_expect(skb) = __le16_to_cpu(dlen);
803b5836 520
618e8bc2 521 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 522 kfree_skb(skb);
523 skb = NULL;
524
525 err = -EILSEQ;
526 break;
527 }
528 }
529
618e8bc2 530 if (!hci_skb_expect(skb)) {
803b5836
MH		 531 /* Complete frame */
532 hci_recv_frame(data->hdev, skb);
533 skb = NULL;
534 }
535 }
536
537 data->acl_skb = skb;
538 spin_unlock(&data->rxlock);
539
540 return err;
1ffa4ad0
MH		 541}
542
543static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
544{
803b5836
MH		 545 struct sk_buff *skb;
546 int err = 0;
547
548 spin_lock(&data->rxlock);
549 skb = data->sco_skb;
550
551 while (count) {
552 int len;
553
554 if (!skb) {
555 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
556 if (!skb) {
557 err = -ENOMEM;
558 break;
559 }
560
618e8bc2
MH		 561 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
562 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
803b5836
MH		 563 }
564
618e8bc2 565 len = min_t(uint, hci_skb_expect(skb), count);
803b5836
MH		 566 memcpy(skb_put(skb, len), buffer, len);
567
568 count -= len;
569 buffer += len;
618e8bc2 570 hci_skb_expect(skb) -= len;
803b5836
MH		 571
572 if (skb->len == HCI_SCO_HDR_SIZE) {
573 /* Complete SCO header */
618e8bc2 574 hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
803b5836 575
618e8bc2 576 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
803b5836
MH		 577 kfree_skb(skb);
578 skb = NULL;
579
580 err = -EILSEQ;
581 break;
582 }
583 }
584
618e8bc2 585 if (!hci_skb_expect(skb)) {
803b5836
MH		 586 /* Complete frame */
587 hci_recv_frame(data->hdev, skb);
588 skb = NULL;
589 }
590 }
591
592 data->sco_skb = skb;
593 spin_unlock(&data->rxlock);
594
595 return err;
1ffa4ad0
MH		 596}
597
5e23b923
MH		 598static void btusb_intr_complete(struct urb *urb)
599{
600 struct hci_dev *hdev = urb->context;
155961e8 601 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 602 int err;
603
89e7533d
MH		 604 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
605 urb->actual_length);
5e23b923
MH		 606
607 if (!test_bit(HCI_RUNNING, &hdev->flags))
608 return;
609
610 if (urb->status == 0) {
9bfa35fe
MH		 611 hdev->stat.byte_rx += urb->actual_length;
612
1ffa4ad0
MH		 613 if (btusb_recv_intr(data, urb->transfer_buffer,
614 urb->actual_length) < 0) {
5e23b923
MH		 615 BT_ERR("%s corrupted event packet", hdev->name);
616 hdev->stat.err_rx++;
617 }
85560c4a
CC		 618 } else if (urb->status == -ENOENT) {
619 /* Avoid suspend failed when usb_kill_urb */
620 return;
5e23b923
MH		 621 }
622
623 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
624 return;
625
7bee549e 626 usb_mark_last_busy(data->udev);
5e23b923
MH		 627 usb_anchor_urb(urb, &data->intr_anchor);
628
629 err = usb_submit_urb(urb, GFP_ATOMIC);
630 if (err < 0) {
4935f1c1
PB		 631 /* -EPERM: urb is being killed;
632 * -ENODEV: device got disconnected */
633 if (err != -EPERM && err != -ENODEV)
61faddf6 634 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 635 hdev->name, urb, -err);
5e23b923
MH		 636 usb_unanchor_urb(urb);
637 }
638}
639
2eda66f4 640static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 641{
155961e8 642 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 643 struct urb *urb;
644 unsigned char *buf;
645 unsigned int pipe;
646 int err, size;
647
648 BT_DBG("%s", hdev->name);
649
9bfa35fe
MH		 650 if (!data->intr_ep)
651 return -ENODEV;
652
2eda66f4 653 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 654 if (!urb)
655 return -ENOMEM;
656
657 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
658
2eda66f4 659 buf = kmalloc(size, mem_flags);
5e23b923
MH		 660 if (!buf) {
661 usb_free_urb(urb);
662 return -ENOMEM;
663 }
664
665 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
666
667 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
89e7533d 668 btusb_intr_complete, hdev, data->intr_ep->bInterval);
5e23b923
MH		 669
670 urb->transfer_flags |= URB_FREE_BUFFER;
671
672 usb_anchor_urb(urb, &data->intr_anchor);
673
2eda66f4 674 err = usb_submit_urb(urb, mem_flags);
5e23b923 675 if (err < 0) {
d4b8d1c9
PB		 676 if (err != -EPERM && err != -ENODEV)
677 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 678 hdev->name, urb, -err);
5e23b923 679 usb_unanchor_urb(urb);
5e23b923
MH		 680 }
681
682 usb_free_urb(urb);
683
684 return err;
685}
686
687static void btusb_bulk_complete(struct urb *urb)
688{
689 struct hci_dev *hdev = urb->context;
155961e8 690 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 691 int err;
692
89e7533d
MH		 693 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
694 urb->actual_length);
5e23b923
MH		 695
696 if (!test_bit(HCI_RUNNING, &hdev->flags))
697 return;
698
699 if (urb->status == 0) {
9bfa35fe
MH		 700 hdev->stat.byte_rx += urb->actual_length;
701
2cbd3f5c 702 if (data->recv_bulk(data, urb->transfer_buffer,
1ffa4ad0 703 urb->actual_length) < 0) {
5e23b923
MH		 704 BT_ERR("%s corrupted ACL packet", hdev->name);
705 hdev->stat.err_rx++;
706 }
85560c4a
CC		 707 } else if (urb->status == -ENOENT) {
708 /* Avoid suspend failed when usb_kill_urb */
709 return;
5e23b923
MH		 710 }
711
712 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
713 return;
714
715 usb_anchor_urb(urb, &data->bulk_anchor);
652fd781 716 usb_mark_last_busy(data->udev);
5e23b923
MH		 717
718 err = usb_submit_urb(urb, GFP_ATOMIC);
719 if (err < 0) {
4935f1c1
PB		 720 /* -EPERM: urb is being killed;
721 * -ENODEV: device got disconnected */
722 if (err != -EPERM && err != -ENODEV)
61faddf6 723 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 724 hdev->name, urb, -err);
5e23b923
MH		 725 usb_unanchor_urb(urb);
726 }
727}
728
2eda66f4 729static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
5e23b923 730{
155961e8 731 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 732 struct urb *urb;
733 unsigned char *buf;
734 unsigned int pipe;
290ba200 735 int err, size = HCI_MAX_FRAME_SIZE;
5e23b923
MH		 736
737 BT_DBG("%s", hdev->name);
738
9bfa35fe
MH		 739 if (!data->bulk_rx_ep)
740 return -ENODEV;
741
2eda66f4 742 urb = usb_alloc_urb(0, mem_flags);
5e23b923
MH		 743 if (!urb)
744 return -ENOMEM;
745
2eda66f4 746 buf = kmalloc(size, mem_flags);
5e23b923
MH		 747 if (!buf) {
748 usb_free_urb(urb);
749 return -ENOMEM;
750 }
751
752 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
753
89e7533d
MH		 754 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
755 btusb_bulk_complete, hdev);
5e23b923
MH		 756
757 urb->transfer_flags |= URB_FREE_BUFFER;
758
7bee549e 759 usb_mark_last_busy(data->udev);
5e23b923
MH		 760 usb_anchor_urb(urb, &data->bulk_anchor);
761
2eda66f4 762 err = usb_submit_urb(urb, mem_flags);
5e23b923 763 if (err < 0) {
d4b8d1c9
PB		 764 if (err != -EPERM && err != -ENODEV)
765 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 766 hdev->name, urb, -err);
5e23b923 767 usb_unanchor_urb(urb);
5e23b923
MH		 768 }
769
770 usb_free_urb(urb);
771
772 return err;
773}
774
9bfa35fe
MH		 775static void btusb_isoc_complete(struct urb *urb)
776{
777 struct hci_dev *hdev = urb->context;
155961e8 778 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 779 int i, err;
780
89e7533d
MH		 781 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
782 urb->actual_length);
9bfa35fe
MH		 783
784 if (!test_bit(HCI_RUNNING, &hdev->flags))
785 return;
786
787 if (urb->status == 0) {
788 for (i = 0; i < urb->number_of_packets; i++) {
789 unsigned int offset = urb->iso_frame_desc[i].offset;
790 unsigned int length = urb->iso_frame_desc[i].actual_length;
791
792 if (urb->iso_frame_desc[i].status)
793 continue;
794
795 hdev->stat.byte_rx += length;
796
1ffa4ad0
MH		 797 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
798 length) < 0) {
9bfa35fe
MH		 799 BT_ERR("%s corrupted SCO packet", hdev->name);
800 hdev->stat.err_rx++;
801 }
802 }
85560c4a
CC		 803 } else if (urb->status == -ENOENT) {
804 /* Avoid suspend failed when usb_kill_urb */
805 return;
9bfa35fe
MH		 806 }
807
808 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
809 return;
810
811 usb_anchor_urb(urb, &data->isoc_anchor);
812
813 err = usb_submit_urb(urb, GFP_ATOMIC);
814 if (err < 0) {
4935f1c1
PB		 815 /* -EPERM: urb is being killed;
816 * -ENODEV: device got disconnected */
817 if (err != -EPERM && err != -ENODEV)
61faddf6 818 BT_ERR("%s urb %p failed to resubmit (%d)",
89e7533d 819 hdev->name, urb, -err);
9bfa35fe
MH		 820 usb_unanchor_urb(urb);
821 }
822}
823
42b16b3f 824static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
9bfa35fe
MH		 825{
826 int i, offset = 0;
827
828 BT_DBG("len %d mtu %d", len, mtu);
829
830 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
831 i++, offset += mtu, len -= mtu) {
832 urb->iso_frame_desc[i].offset = offset;
833 urb->iso_frame_desc[i].length = mtu;
834 }
835
836 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
837 urb->iso_frame_desc[i].offset = offset;
838 urb->iso_frame_desc[i].length = len;
839 i++;
840 }
841
842 urb->number_of_packets = i;
843}
844
2eda66f4 845static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
9bfa35fe 846{
155961e8 847 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 848 struct urb *urb;
849 unsigned char *buf;
850 unsigned int pipe;
851 int err, size;
852
853 BT_DBG("%s", hdev->name);
854
855 if (!data->isoc_rx_ep)
856 return -ENODEV;
857
2eda66f4 858 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
9bfa35fe
MH		 859 if (!urb)
860 return -ENOMEM;
861
862 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
863 BTUSB_MAX_ISOC_FRAMES;
864
2eda66f4 865 buf = kmalloc(size, mem_flags);
9bfa35fe
MH		 866 if (!buf) {
867 usb_free_urb(urb);
868 return -ENOMEM;
869 }
870
871 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
872
fa0fb93f 873 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
89e7533d 874 hdev, data->isoc_rx_ep->bInterval);
9bfa35fe 875
89e7533d 876 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
9bfa35fe
MH		 877
878 __fill_isoc_descriptor(urb, size,
89e7533d 879 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
9bfa35fe
MH		 880
881 usb_anchor_urb(urb, &data->isoc_anchor);
882
2eda66f4 883 err = usb_submit_urb(urb, mem_flags);
9bfa35fe 884 if (err < 0) {
d4b8d1c9
PB		 885 if (err != -EPERM && err != -ENODEV)
886 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 887 hdev->name, urb, -err);
9bfa35fe 888 usb_unanchor_urb(urb);
9bfa35fe
MH		 889 }
890
891 usb_free_urb(urb);
892
893 return err;
894}
895
9d08f504
MH		 896static void btusb_diag_complete(struct urb *urb)
897{
898 struct hci_dev *hdev = urb->context;
899 struct btusb_data *data = hci_get_drvdata(hdev);
900 int err;
901
902 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
903 urb->actual_length);
904
905 if (urb->status == 0) {
906 struct sk_buff *skb;
907
908 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
909 if (skb) {
910 memcpy(skb_put(skb, urb->actual_length),
911 urb->transfer_buffer, urb->actual_length);
912 hci_recv_diag(hdev, skb);
913 }
914 } else if (urb->status == -ENOENT) {
915 /* Avoid suspend failed when usb_kill_urb */
916 return;
917 }
918
919 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
920 return;
921
922 usb_anchor_urb(urb, &data->diag_anchor);
923 usb_mark_last_busy(data->udev);
924
925 err = usb_submit_urb(urb, GFP_ATOMIC);
926 if (err < 0) {
927 /* -EPERM: urb is being killed;
928 * -ENODEV: device got disconnected */
929 if (err != -EPERM && err != -ENODEV)
930 BT_ERR("%s urb %p failed to resubmit (%d)",
931 hdev->name, urb, -err);
932 usb_unanchor_urb(urb);
933 }
934}
935
936static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
937{
938 struct btusb_data *data = hci_get_drvdata(hdev);
939 struct urb *urb;
940 unsigned char *buf;
941 unsigned int pipe;
942 int err, size = HCI_MAX_FRAME_SIZE;
943
944 BT_DBG("%s", hdev->name);
945
946 if (!data->diag_rx_ep)
947 return -ENODEV;
948
949 urb = usb_alloc_urb(0, mem_flags);
950 if (!urb)
951 return -ENOMEM;
952
953 buf = kmalloc(size, mem_flags);
954 if (!buf) {
955 usb_free_urb(urb);
956 return -ENOMEM;
957 }
958
959 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
960
961 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
962 btusb_diag_complete, hdev);
963
964 urb->transfer_flags |= URB_FREE_BUFFER;
965
966 usb_mark_last_busy(data->udev);
967 usb_anchor_urb(urb, &data->diag_anchor);
968
969 err = usb_submit_urb(urb, mem_flags);
970 if (err < 0) {
971 if (err != -EPERM && err != -ENODEV)
972 BT_ERR("%s urb %p submission failed (%d)",
973 hdev->name, urb, -err);
974 usb_unanchor_urb(urb);
975 }
976
977 usb_free_urb(urb);
978
979 return err;
980}
981
5e23b923 982static void btusb_tx_complete(struct urb *urb)
7bee549e
ON		 983{
984 struct sk_buff *skb = urb->context;
89e7533d 985 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
155961e8 986 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 987
89e7533d
MH		 988 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
989 urb->actual_length);
7bee549e
ON		 990
991 if (!test_bit(HCI_RUNNING, &hdev->flags))
992 goto done;
993
994 if (!urb->status)
995 hdev->stat.byte_tx += urb->transfer_buffer_length;
996 else
997 hdev->stat.err_tx++;
998
999done:
1000 spin_lock(&data->txlock);
1001 data->tx_in_flight--;
1002 spin_unlock(&data->txlock);
1003
1004 kfree(urb->setup_packet);
1005
1006 kfree_skb(skb);
1007}
1008
1009static void btusb_isoc_tx_complete(struct urb *urb)
5e23b923
MH		 1010{
1011 struct sk_buff *skb = urb->context;
89e7533d 1012 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
5e23b923 1013
89e7533d
MH		 1014 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1015 urb->actual_length);
5e23b923
MH		 1016
1017 if (!test_bit(HCI_RUNNING, &hdev->flags))
1018 goto done;
1019
1020 if (!urb->status)
1021 hdev->stat.byte_tx += urb->transfer_buffer_length;
1022 else
1023 hdev->stat.err_tx++;
1024
1025done:
1026 kfree(urb->setup_packet);
1027
1028 kfree_skb(skb);
1029}
1030
1031static int btusb_open(struct hci_dev *hdev)
1032{
155961e8 1033 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1034 int err;
1035
1036 BT_DBG("%s", hdev->name);
1037
ace31982
KBYT		 1038 /* Patching USB firmware files prior to starting any URBs of HCI path
1039 * It is more safe to use USB bulk channel for downloading USB patch
1040 */
1041 if (data->setup_on_usb) {
1042 err = data->setup_on_usb(hdev);
eb50042f 1043 if (err < 0)
ace31982
KBYT		 1044 return err;
1045 }
1046
7bee549e
ON		 1047 err = usb_autopm_get_interface(data->intf);
1048 if (err < 0)
1049 return err;
1050
1051 data->intf->needs_remote_wakeup = 1;
1052
5e23b923 1053 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
7bee549e 1054 goto done;
5e23b923 1055
2eda66f4 1056 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
43c2e57f
MH		 1057 if (err < 0)
1058 goto failed;
1059
1060 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
5e23b923 1061 if (err < 0) {
43c2e57f
MH		 1062 usb_kill_anchored_urbs(&data->intr_anchor);
1063 goto failed;
5e23b923
MH		 1064 }
1065
43c2e57f
MH		 1066 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1067 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1068
9d08f504
MH		 1069 if (data->diag) {
1070 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1071 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1072 }
1073
7bee549e
ON		 1074done:
1075 usb_autopm_put_interface(data->intf);
43c2e57f
MH		 1076 return 0;
1077
1078failed:
1079 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 1080 usb_autopm_put_interface(data->intf);
5e23b923
MH		 1081 return err;
1082}
1083
7bee549e
ON		 1084static void btusb_stop_traffic(struct btusb_data *data)
1085{
1086 usb_kill_anchored_urbs(&data->intr_anchor);
1087 usb_kill_anchored_urbs(&data->bulk_anchor);
1088 usb_kill_anchored_urbs(&data->isoc_anchor);
9d08f504 1089 usb_kill_anchored_urbs(&data->diag_anchor);
7bee549e
ON		 1090}
1091
5e23b923
MH		 1092static int btusb_close(struct hci_dev *hdev)
1093{
155961e8 1094 struct btusb_data *data = hci_get_drvdata(hdev);
7bee549e 1095 int err;
5e23b923
MH		 1096
1097 BT_DBG("%s", hdev->name);
1098
e8c3c3d2 1099 cancel_work_sync(&data->work);
404291ac 1100 cancel_work_sync(&data->waker);
e8c3c3d2 1101
9bfa35fe 1102 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
5e23b923 1103 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
5e23b923 1104 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
9d08f504 1105 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
7bee549e
ON		 1106
1107 btusb_stop_traffic(data);
803b5836
MH		 1108 btusb_free_frags(data);
1109
7bee549e
ON		 1110 err = usb_autopm_get_interface(data->intf);
1111 if (err < 0)
7b8e2c1d 1112 goto failed;
7bee549e
ON		 1113
1114 data->intf->needs_remote_wakeup = 0;
1115 usb_autopm_put_interface(data->intf);
5e23b923 1116
7b8e2c1d
ON		 1117failed:
1118 usb_scuttle_anchored_urbs(&data->deferred);
5e23b923
MH		 1119 return 0;
1120}
1121
1122static int btusb_flush(struct hci_dev *hdev)
1123{
155961e8 1124 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1125
1126 BT_DBG("%s", hdev->name);
1127
1128 usb_kill_anchored_urbs(&data->tx_anchor);
803b5836 1129 btusb_free_frags(data);
5e23b923
MH		 1130
1131 return 0;
1132}
1133
047b2ec8 1134static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
5e23b923 1135{
155961e8 1136 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1137 struct usb_ctrlrequest *dr;
1138 struct urb *urb;
1139 unsigned int pipe;
5e23b923 1140
047b2ec8
MH		 1141 urb = usb_alloc_urb(0, GFP_KERNEL);
1142 if (!urb)
1143 return ERR_PTR(-ENOMEM);
5e23b923 1144
047b2ec8
MH		 1145 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1146 if (!dr) {
1147 usb_free_urb(urb);
1148 return ERR_PTR(-ENOMEM);
1149 }
5e23b923 1150
047b2ec8 1151 dr->bRequestType = data->cmdreq_type;
893ba544 1152 dr->bRequest = data->cmdreq;
047b2ec8
MH		 1153 dr->wIndex = 0;
1154 dr->wValue = 0;
1155 dr->wLength = __cpu_to_le16(skb->len);
7bd8f09f 1156
047b2ec8 1157 pipe = usb_sndctrlpipe(data->udev, 0x00);
5e23b923 1158
89e7533d 1159 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
047b2ec8 1160 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1161
89e7533d 1162 skb->dev = (void *)hdev;
5e23b923 1163
047b2ec8
MH		 1164 return urb;
1165}
5e23b923 1166
047b2ec8
MH		 1167static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1168{
1169 struct btusb_data *data = hci_get_drvdata(hdev);
1170 struct urb *urb;
1171 unsigned int pipe;
5e23b923 1172
047b2ec8
MH		 1173 if (!data->bulk_tx_ep)
1174 return ERR_PTR(-ENODEV);
9bfa35fe 1175
047b2ec8
MH		 1176 urb = usb_alloc_urb(0, GFP_KERNEL);
1177 if (!urb)
1178 return ERR_PTR(-ENOMEM);
5e23b923 1179
047b2ec8 1180 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
5e23b923 1181
047b2ec8
MH		 1182 usb_fill_bulk_urb(urb, data->udev, pipe,
1183 skb->data, skb->len, btusb_tx_complete, skb);
5e23b923 1184
89e7533d 1185 skb->dev = (void *)hdev;
5e23b923 1186
047b2ec8
MH		 1187 return urb;
1188}
9bfa35fe 1189
047b2ec8
MH		 1190static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1191{
1192 struct btusb_data *data = hci_get_drvdata(hdev);
1193 struct urb *urb;
1194 unsigned int pipe;
9bfa35fe 1195
047b2ec8
MH		 1196 if (!data->isoc_tx_ep)
1197 return ERR_PTR(-ENODEV);
9bfa35fe 1198
047b2ec8
MH		 1199 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1200 if (!urb)
1201 return ERR_PTR(-ENOMEM);
9bfa35fe 1202
047b2ec8 1203 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
9bfa35fe 1204
047b2ec8
MH		 1205 usb_fill_int_urb(urb, data->udev, pipe,
1206 skb->data, skb->len, btusb_isoc_tx_complete,
1207 skb, data->isoc_tx_ep->bInterval);
9bfa35fe 1208
047b2ec8 1209 urb->transfer_flags = URB_ISO_ASAP;
5e23b923 1210
047b2ec8
MH		 1211 __fill_isoc_descriptor(urb, skb->len,
1212 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
5e23b923 1213
89e7533d 1214 skb->dev = (void *)hdev;
047b2ec8
MH		 1215
1216 return urb;
1217}
1218
1219static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1220{
1221 struct btusb_data *data = hci_get_drvdata(hdev);
1222 int err;
7bee549e 1223
5e23b923
MH		 1224 usb_anchor_urb(urb, &data->tx_anchor);
1225
e9753eff 1226 err = usb_submit_urb(urb, GFP_KERNEL);
5e23b923 1227 if (err < 0) {
5a9b80e2
PB		 1228 if (err != -EPERM && err != -ENODEV)
1229 BT_ERR("%s urb %p submission failed (%d)",
89e7533d 1230 hdev->name, urb, -err);
5e23b923
MH		 1231 kfree(urb->setup_packet);
1232 usb_unanchor_urb(urb);
7bee549e
ON		 1233 } else {
1234 usb_mark_last_busy(data->udev);
5e23b923
MH		 1235 }
1236
54a8a79c 1237 usb_free_urb(urb);
5e23b923
MH		 1238 return err;
1239}
1240
047b2ec8
MH		 1241static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1242{
1243 struct btusb_data *data = hci_get_drvdata(hdev);
1244 unsigned long flags;
1245 bool suspending;
1246
1247 spin_lock_irqsave(&data->txlock, flags);
1248 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1249 if (!suspending)
1250 data->tx_in_flight++;
1251 spin_unlock_irqrestore(&data->txlock, flags);
1252
1253 if (!suspending)
1254 return submit_tx_urb(hdev, urb);
1255
1256 usb_anchor_urb(urb, &data->deferred);
1257 schedule_work(&data->waker);
1258
1259 usb_free_urb(urb);
1260 return 0;
1261}
1262
1263static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1264{
1265 struct urb *urb;
1266
1267 BT_DBG("%s", hdev->name);
1268
618e8bc2 1269 switch (hci_skb_pkt_type(skb)) {
047b2ec8
MH		 1270 case HCI_COMMAND_PKT:
1271 urb = alloc_ctrl_urb(hdev, skb);
1272 if (IS_ERR(urb))
1273 return PTR_ERR(urb);
1274
1275 hdev->stat.cmd_tx++;
1276 return submit_or_queue_tx_urb(hdev, urb);
1277
1278 case HCI_ACLDATA_PKT:
1279 urb = alloc_bulk_urb(hdev, skb);
1280 if (IS_ERR(urb))
1281 return PTR_ERR(urb);
1282
1283 hdev->stat.acl_tx++;
1284 return submit_or_queue_tx_urb(hdev, urb);
1285
1286 case HCI_SCODATA_PKT:
1287 if (hci_conn_num(hdev, SCO_LINK) < 1)
1288 return -ENODEV;
1289
1290 urb = alloc_isoc_urb(hdev, skb);
1291 if (IS_ERR(urb))
1292 return PTR_ERR(urb);
1293
1294 hdev->stat.sco_tx++;
1295 return submit_tx_urb(hdev, urb);
1296 }
1297
1298 return -EILSEQ;
1299}
1300
5e23b923
MH		 1301static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1302{
155961e8 1303 struct btusb_data *data = hci_get_drvdata(hdev);
5e23b923
MH		 1304
1305 BT_DBG("%s evt %d", hdev->name, evt);
1306
014f7bc7
MH		 1307 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1308 data->sco_num = hci_conn_num(hdev, SCO_LINK);
43c2e57f 1309 schedule_work(&data->work);
a780efa8 1310 }
5e23b923
MH		 1311}
1312
42b16b3f 1313static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
9bfa35fe 1314{
155961e8 1315 struct btusb_data *data = hci_get_drvdata(hdev);
9bfa35fe
MH		 1316 struct usb_interface *intf = data->isoc;
1317 struct usb_endpoint_descriptor *ep_desc;
1318 int i, err;
1319
1320 if (!data->isoc)
1321 return -ENODEV;
1322
1323 err = usb_set_interface(data->udev, 1, altsetting);
1324 if (err < 0) {
1325 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
1326 return err;
1327 }
1328
1329 data->isoc_altsetting = altsetting;
1330
1331 data->isoc_tx_ep = NULL;
1332 data->isoc_rx_ep = NULL;
1333
1334 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1335 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1336
1337 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1338 data->isoc_tx_ep = ep_desc;
1339 continue;
1340 }
1341
1342 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1343 data->isoc_rx_ep = ep_desc;
1344 continue;
1345 }
1346 }
1347
1348 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
1349 BT_ERR("%s invalid SCO descriptors", hdev->name);
1350 return -ENODEV;
1351 }
1352
1353 return 0;
1354}
1355
5e23b923
MH		 1356static void btusb_work(struct work_struct *work)
1357{
1358 struct btusb_data *data = container_of(work, struct btusb_data, work);
1359 struct hci_dev *hdev = data->hdev;
f4001d28 1360 int new_alts;
7bee549e 1361 int err;
5e23b923 1362
014f7bc7 1363 if (data->sco_num > 0) {
08b8b6c4 1364 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
8efdd0cd 1365 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
7bee549e
ON		 1366 if (err < 0) {
1367 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1368 usb_kill_anchored_urbs(&data->isoc_anchor);
1369 return;
1370 }
1371
08b8b6c4 1372 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
7bee549e 1373 }
f4001d28
MA		 1374
1375 if (hdev->voice_setting & 0x0020) {
1376 static const int alts[3] = { 2, 4, 5 };
89e7533d 1377
014f7bc7 1378 new_alts = alts[data->sco_num - 1];
f4001d28 1379 } else {
014f7bc7 1380 new_alts = data->sco_num;
f4001d28
MA		 1381 }
1382
1383 if (data->isoc_altsetting != new_alts) {
f6fc86f2
KP		 1384 unsigned long flags;
1385
9bfa35fe
MH		 1386 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1387 usb_kill_anchored_urbs(&data->isoc_anchor);
1388
8f9d02f4
KP		 1389 /* When isochronous alternate setting needs to be
1390 * changed, because SCO connection has been added
1391 * or removed, a packet fragment may be left in the
1392 * reassembling state. This could lead to wrongly
1393 * assembled fragments.
1394 *
1395 * Clear outstanding fragment when selecting a new
1396 * alternate setting.
1397 */
f6fc86f2 1398 spin_lock_irqsave(&data->rxlock, flags);
8f9d02f4
KP		 1399 kfree_skb(data->sco_skb);
1400 data->sco_skb = NULL;
f6fc86f2 1401 spin_unlock_irqrestore(&data->rxlock, flags);
8f9d02f4 1402
f4001d28 1403 if (__set_isoc_interface(hdev, new_alts) < 0)
9bfa35fe
MH		 1404 return;
1405 }
1406
1407 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2eda66f4 1408 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
9bfa35fe
MH		 1409 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1410 else
2eda66f4 1411 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
9bfa35fe
MH		 1412 }
1413 } else {
1414 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1415 usb_kill_anchored_urbs(&data->isoc_anchor);
1416
1417 __set_isoc_interface(hdev, 0);
08b8b6c4 1418 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
8efdd0cd 1419 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
5e23b923
MH		 1420 }
1421}
1422
7bee549e
ON		 1423static void btusb_waker(struct work_struct *work)
1424{
1425 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1426 int err;
1427
1428 err = usb_autopm_get_interface(data->intf);
1429 if (err < 0)
1430 return;
1431
1432 usb_autopm_put_interface(data->intf);
1433}
1434
9f8f962c
MH		 1435static int btusb_setup_bcm92035(struct hci_dev *hdev)
1436{
1437 struct sk_buff *skb;
1438 u8 val = 0x00;
1439
1440 BT_DBG("%s", hdev->name);
1441
1442 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1443 if (IS_ERR(skb))
1444 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
1445 else
1446 kfree_skb(skb);
1447
1448 return 0;
1449}
1450
81cac64b
MH		 1451static int btusb_setup_csr(struct hci_dev *hdev)
1452{
1453 struct hci_rp_read_local_version *rp;
1454 struct sk_buff *skb;
81cac64b
MH		 1455
1456 BT_DBG("%s", hdev->name);
1457
7cd84d72
MH		 1458 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1459 HCI_INIT_TIMEOUT);
1460 if (IS_ERR(skb)) {
1461 int err = PTR_ERR(skb);
1462 BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err);
1463 return err;
1464 }
1465
1466 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
1467 BT_ERR("%s: CSR: Local version length mismatch", hdev->name);
1468 kfree_skb(skb);
1469 return -EIO;
1470 }
81cac64b 1471
89e7533d 1472 rp = (struct hci_rp_read_local_version *)skb->data;
81cac64b 1473
6cafcd95
JH		 1474 /* Detect controllers which aren't real CSR ones. */
1475 if (le16_to_cpu(rp->manufacturer) != 10 ||
1476 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
9641d343
MH		 1477 /* Clear the reset quirk since this is not an actual
1478 * early Bluetooth 1.1 device from CSR.
1479 */
1480 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b 1481
9641d343
MH		 1482 /* These fake CSR controllers have all a broken
1483 * stored link key handling and so just disable it.
1484 */
1485 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
1486 }
81cac64b
MH		 1487
1488 kfree_skb(skb);
1489
9641d343 1490 return 0;
81cac64b
MH		 1491}
1492
dffd30ee 1493static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
89e7533d 1494 struct intel_version *ver)
dffd30ee
THJA		 1495{
1496 const struct firmware *fw;
1497 char fwname[64];
1498 int ret;
1499
1500 snprintf(fwname, sizeof(fwname),
1501 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1502 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1503 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1504 ver->fw_build_ww, ver->fw_build_yy);
1505
1506 ret = request_firmware(&fw, fwname, &hdev->dev);
1507 if (ret < 0) {
1508 if (ret == -EINVAL) {
1509 BT_ERR("%s Intel firmware file request failed (%d)",
1510 hdev->name, ret);
1511 return NULL;
1512 }
1513
1514 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1515 hdev->name, fwname, ret);
1516
1517 /* If the correct firmware patch file is not found, use the
1518 * default firmware patch file instead
1519 */
1520 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1521 ver->hw_platform, ver->hw_variant);
1522 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1523 BT_ERR("%s failed to open default Intel fw file: %s",
1524 hdev->name, fwname);
1525 return NULL;
1526 }
1527 }
1528
1529 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
1530
1531 return fw;
1532}
1533
1534static int btusb_setup_intel_patching(struct hci_dev *hdev,
1535 const struct firmware *fw,
1536 const u8 **fw_ptr, int *disable_patch)
1537{
1538 struct sk_buff *skb;
1539 struct hci_command_hdr *cmd;
1540 const u8 *cmd_param;
1541 struct hci_event_hdr *evt = NULL;
1542 const u8 *evt_param = NULL;
1543 int remain = fw->size - (*fw_ptr - fw->data);
1544
1545 /* The first byte indicates the types of the patch command or event.
1546 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1547 * in the current firmware buffer doesn't start with 0x01 or
1548 * the size of remain buffer is smaller than HCI command header,
1549 * the firmware file is corrupted and it should stop the patching
1550 * process.
1551 */
1552 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1553 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
1554 return -EINVAL;
1555 }
1556 (*fw_ptr)++;
1557 remain--;
1558
1559 cmd = (struct hci_command_hdr *)(*fw_ptr);
1560 *fw_ptr += sizeof(*cmd);
1561 remain -= sizeof(*cmd);
1562
1563 /* Ensure that the remain firmware data is long enough than the length
1564 * of command parameter. If not, the firmware file is corrupted.
1565 */
1566 if (remain < cmd->plen) {
1567 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
1568 return -EFAULT;
1569 }
1570
1571 /* If there is a command that loads a patch in the firmware
1572 * file, then enable the patch upon success, otherwise just
1573 * disable the manufacturer mode, for example patch activation
1574 * is not required when the default firmware patch file is used
1575 * because there are no patch data to load.
1576 */
1577 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1578 *disable_patch = 0;
1579
1580 cmd_param = *fw_ptr;
1581 *fw_ptr += cmd->plen;
1582 remain -= cmd->plen;
1583
1584 /* This reads the expected events when the above command is sent to the
1585 * device. Some vendor commands expects more than one events, for
1586 * example command status event followed by vendor specific event.
1587 * For this case, it only keeps the last expected event. so the command
1588 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1589 * last expected event.
1590 */
1591 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1592 (*fw_ptr)++;
1593 remain--;
1594
1595 evt = (struct hci_event_hdr *)(*fw_ptr);
1596 *fw_ptr += sizeof(*evt);
1597 remain -= sizeof(*evt);
1598
1599 if (remain < evt->plen) {
1600 BT_ERR("%s Intel fw corrupted: invalid evt len",
1601 hdev->name);
1602 return -EFAULT;
1603 }
1604
1605 evt_param = *fw_ptr;
1606 *fw_ptr += evt->plen;
1607 remain -= evt->plen;
1608 }
1609
1610 /* Every HCI commands in the firmware file has its correspond event.
1611 * If event is not found or remain is smaller than zero, the firmware
1612 * file is corrupted.
1613 */
1614 if (!evt || !evt_param || remain < 0) {
1615 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
1616 return -EFAULT;
1617 }
1618
1619 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1620 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1621 if (IS_ERR(skb)) {
1622 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1623 hdev->name, cmd->opcode, PTR_ERR(skb));
d9c78e97 1624 return PTR_ERR(skb);
dffd30ee
THJA		 1625 }
1626
1627 /* It ensures that the returned event matches the event data read from
1628 * the firmware file. At fist, it checks the length and then
1629 * the contents of the event.
1630 */
1631 if (skb->len != evt->plen) {
1632 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
1633 le16_to_cpu(cmd->opcode));
1634 kfree_skb(skb);
1635 return -EFAULT;
1636 }
1637
1638 if (memcmp(skb->data, evt_param, evt->plen)) {
1639 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1640 hdev->name, le16_to_cpu(cmd->opcode));
1641 kfree_skb(skb);
1642 return -EFAULT;
1643 }
1644 kfree_skb(skb);
1645
1646 return 0;
1647}
1648
1649static int btusb_setup_intel(struct hci_dev *hdev)
1650{
1651 struct sk_buff *skb;
1652 const struct firmware *fw;
1653 const u8 *fw_ptr;
28dc4b92 1654 int disable_patch, err;
6c483de1 1655 struct intel_version ver;
dffd30ee 1656
dffd30ee
THJA		 1657 BT_DBG("%s", hdev->name);
1658
1659 /* The controller has a bug with the first HCI command sent to it
1660 * returning number of completed commands as zero. This would stall the
1661 * command processing in the Bluetooth core.
1662 *
1663 * As a workaround, send HCI Reset command first which will reset the
1664 * number of completed commands and allow normal command processing
1665 * from now on.
1666 */
1667 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1668 if (IS_ERR(skb)) {
1669 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1670 hdev->name, PTR_ERR(skb));
d9c78e97 1671 return PTR_ERR(skb);
dffd30ee
THJA		 1672 }
1673 kfree_skb(skb);
1674
1675 /* Read Intel specific controller version first to allow selection of
1676 * which firmware file to load.
1677 *
1678 * The returned information are hardware variant and revision plus
1679 * firmware variant, revision and build number.
1680 */
6c483de1
LP		 1681 err = btintel_read_version(hdev, &ver);
1682 if (err)
1683 return err;
dffd30ee
THJA		 1684
1685 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
6c483de1
LP		 1686 hdev->name, ver.hw_platform, ver.hw_variant, ver.hw_revision,
1687 ver.fw_variant, ver.fw_revision, ver.fw_build_num,
1688 ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
dffd30ee
THJA		 1689
1690 /* fw_patch_num indicates the version of patch the device currently
1691 * have. If there is no patch data in the device, it is always 0x00.
5075edae 1692 * So, if it is other than 0x00, no need to patch the device again.
dffd30ee 1693 */
6c483de1 1694 if (ver.fw_patch_num) {
dffd30ee 1695 BT_INFO("%s: Intel device is already patched. patch num: %02x",
6c483de1 1696 hdev->name, ver.fw_patch_num);
213445b2 1697 goto complete;
dffd30ee
THJA		 1698 }
1699
1700 /* Opens the firmware patch file based on the firmware version read
1701 * from the controller. If it fails to open the matching firmware
1702 * patch file, it tries to open the default firmware patch file.
1703 * If no patch file is found, allow the device to operate without
1704 * a patch.
1705 */
6c483de1
LP		 1706 fw = btusb_setup_intel_get_fw(hdev, &ver);
1707 if (!fw)
213445b2 1708 goto complete;
dffd30ee
THJA		 1709 fw_ptr = fw->data;
1710
28dc4b92 1711 /* Enable the manufacturer mode of the controller.
dffd30ee
THJA		 1712 * Only while this mode is enabled, the driver can download the
1713 * firmware patch data and configuration parameters.
1714 */
28dc4b92
LP		 1715 err = btintel_enter_mfg(hdev);
1716 if (err) {
dffd30ee 1717 release_firmware(fw);
28dc4b92 1718 return err;
dffd30ee
THJA		 1719 }
1720
dffd30ee
THJA		 1721 disable_patch = 1;
1722
1723 /* The firmware data file consists of list of Intel specific HCI
1724 * commands and its expected events. The first byte indicates the
1725 * type of the message, either HCI command or HCI event.
1726 *
1727 * It reads the command and its expected event from the firmware file,
1728 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1729 * the returned event is compared with the event read from the firmware
1730 * file and it will continue until all the messages are downloaded to
1731 * the controller.
1732 *
1733 * Once the firmware patching is completed successfully,
1734 * the manufacturer mode is disabled with reset and activating the
1735 * downloaded patch.
1736 *
1737 * If the firmware patching fails, the manufacturer mode is
1738 * disabled with reset and deactivating the patch.
1739 *
1740 * If the default patch file is used, no reset is done when disabling
1741 * the manufacturer.
1742 */
1743 while (fw->size > fw_ptr - fw->data) {
1744 int ret;
1745
1746 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1747 &disable_patch);
1748 if (ret < 0)
1749 goto exit_mfg_deactivate;
1750 }
1751
1752 release_firmware(fw);
1753
1754 if (disable_patch)
1755 goto exit_mfg_disable;
1756
1757 /* Patching completed successfully and disable the manufacturer mode
1758 * with reset and activate the downloaded firmware patches.
1759 */
28dc4b92
LP		 1760 err = btintel_exit_mfg(hdev, true, true);
1761 if (err)
1762 return err;
dffd30ee
THJA		 1763
1764 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1765 hdev->name);
1766
213445b2 1767 goto complete;
dffd30ee
THJA		 1768
1769exit_mfg_disable:
1770 /* Disable the manufacturer mode without reset */
28dc4b92
LP		 1771 err = btintel_exit_mfg(hdev, false, false);
1772 if (err)
1773 return err;
dffd30ee
THJA		 1774
1775 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
40cb0984 1776
213445b2 1777 goto complete;
dffd30ee
THJA		 1778
1779exit_mfg_deactivate:
1780 release_firmware(fw);
1781
1782 /* Patching failed. Disable the manufacturer mode with reset and
1783 * deactivate the downloaded firmware patches.
1784 */
28dc4b92
LP		 1785 err = btintel_exit_mfg(hdev, true, false);
1786 if (err)
1787 return err;
dffd30ee
THJA		 1788
1789 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1790 hdev->name);
1791
213445b2
MH		 1792complete:
1793 /* Set the event mask for Intel specific vendor events. This enables
1794 * a few extra events that are useful during general operation.
1795 */
1796 btintel_set_event_mask_mfg(hdev, false);
1797
4185a0f5 1798 btintel_check_bdaddr(hdev);
dffd30ee
THJA		 1799 return 0;
1800}
1801
cda0dd78
MH		 1802static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1803{
1804 struct sk_buff *skb;
1805 struct hci_event_hdr *hdr;
1806 struct hci_ev_cmd_complete *evt;
1807
1808 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC);
1809 if (!skb)
1810 return -ENOMEM;
1811
1812 hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr));
1813 hdr->evt = HCI_EV_CMD_COMPLETE;
1814 hdr->plen = sizeof(*evt) + 1;
1815
1816 evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt));
1817 evt->ncmd = 0x01;
1818 evt->opcode = cpu_to_le16(opcode);
1819
1820 *skb_put(skb, 1) = 0x00;
1821
618e8bc2 1822 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
cda0dd78
MH		 1823
1824 return hci_recv_frame(hdev, skb);
1825}
1826
1827static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
1828 int count)
1829{
1830 /* When the device is in bootloader mode, then it can send
1831 * events via the bulk endpoint. These events are treated the
1832 * same way as the ones received from the interrupt endpoint.
1833 */
1834 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
1835 return btusb_recv_intr(data, buffer, count);
1836
1837 return btusb_recv_bulk(data, buffer, count);
1838}
1839
ccd6da2a
MH		 1840static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
1841 unsigned int len)
1842{
1843 const struct intel_bootup *evt = ptr;
1844
1845 if (len != sizeof(*evt))
1846 return;
1847
1848 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) {
1849 smp_mb__after_atomic();
1850 wake_up_bit(&data->flags, BTUSB_BOOTING);
1851 }
1852}
1853
1854static void btusb_intel_secure_send_result(struct btusb_data *data,
1855 const void *ptr, unsigned int len)
1856{
1857 const struct intel_secure_send_result *evt = ptr;
1858
1859 if (len != sizeof(*evt))
1860 return;
1861
1862 if (evt->result)
1863 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
1864
1865 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
1866 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) {
1867 smp_mb__after_atomic();
1868 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
1869 }
1870}
1871
cda0dd78
MH		 1872static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
1873{
1874 struct btusb_data *data = hci_get_drvdata(hdev);
1875
1876 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1877 struct hci_event_hdr *hdr = (void *)skb->data;
1878
ccd6da2a
MH		 1879 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
1880 hdr->plen > 0) {
1881 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
1882 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
1883
1884 switch (skb->data[2]) {
1885 case 0x02:
1886 /* When switching to the operational firmware
1887 * the device sends a vendor specific event
1888 * indicating that the bootup completed.
1889 */
1890 btusb_intel_bootup(data, ptr, len);
1891 break;
1892 case 0x06:
1893 /* When the firmware loading completes the
1894 * device sends out a vendor specific event
1895 * indicating the result of the firmware
1896 * loading.
1897 */
1898 btusb_intel_secure_send_result(data, ptr, len);
1899 break;
fad70972 1900 }
cda0dd78
MH		 1901 }
1902 }
1903
1904 return hci_recv_frame(hdev, skb);
1905}
1906
1907static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
1908{
1909 struct btusb_data *data = hci_get_drvdata(hdev);
1910 struct urb *urb;
1911
1912 BT_DBG("%s", hdev->name);
1913
618e8bc2 1914 switch (hci_skb_pkt_type(skb)) {
cda0dd78
MH		 1915 case HCI_COMMAND_PKT:
1916 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1917 struct hci_command_hdr *cmd = (void *)skb->data;
1918 __u16 opcode = le16_to_cpu(cmd->opcode);
1919
1920 /* When in bootloader mode and the command 0xfc09
1921 * is received, it needs to be send down the
1922 * bulk endpoint. So allocate a bulk URB instead.
1923 */
1924 if (opcode == 0xfc09)
1925 urb = alloc_bulk_urb(hdev, skb);
1926 else
1927 urb = alloc_ctrl_urb(hdev, skb);
1928
1929 /* When the 0xfc01 command is issued to boot into
1930 * the operational firmware, it will actually not
1931 * send a command complete event. To keep the flow
1932 * control working inject that event here.
1933 */
1934 if (opcode == 0xfc01)
1935 inject_cmd_complete(hdev, opcode);
1936 } else {
1937 urb = alloc_ctrl_urb(hdev, skb);
1938 }
1939 if (IS_ERR(urb))
1940 return PTR_ERR(urb);
1941
1942 hdev->stat.cmd_tx++;
1943 return submit_or_queue_tx_urb(hdev, urb);
1944
1945 case HCI_ACLDATA_PKT:
1946 urb = alloc_bulk_urb(hdev, skb);
1947 if (IS_ERR(urb))
1948 return PTR_ERR(urb);
1949
1950 hdev->stat.acl_tx++;
1951 return submit_or_queue_tx_urb(hdev, urb);
1952
1953 case HCI_SCODATA_PKT:
1954 if (hci_conn_num(hdev, SCO_LINK) < 1)
1955 return -ENODEV;
1956
1957 urb = alloc_isoc_urb(hdev, skb);
1958 if (IS_ERR(urb))
1959 return PTR_ERR(urb);
1960
1961 hdev->stat.sco_tx++;
1962 return submit_tx_urb(hdev, urb);
1963 }
1964
1965 return -EILSEQ;
1966}
1967
cda0dd78
MH		 1968static int btusb_setup_intel_new(struct hci_dev *hdev)
1969{
1970 static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01,
1971 0x00, 0x08, 0x04, 0x00 };
1972 struct btusb_data *data = hci_get_drvdata(hdev);
1973 struct sk_buff *skb;
6c483de1 1974 struct intel_version ver;
cda0dd78
MH		 1975 struct intel_boot_params *params;
1976 const struct firmware *fw;
1977 const u8 *fw_ptr;
e66890a9 1978 u32 frag_len;
cda0dd78
MH		 1979 char fwname[64];
1980 ktime_t calltime, delta, rettime;
1981 unsigned long long duration;
1982 int err;
1983
1984 BT_DBG("%s", hdev->name);
1985
1986 calltime = ktime_get();
1987
1988 /* Read the Intel version information to determine if the device
1989 * is in bootloader mode or if it already has operational firmware
1990 * loaded.
1991 */
6c483de1
LP		 1992 err = btintel_read_version(hdev, &ver);
1993 if (err)
1994 return err;
cda0dd78
MH		 1995
1996 /* The hardware platform number has a fixed value of 0x37 and
1997 * for now only accept this single value.
1998 */
6c483de1 1999 if (ver.hw_platform != 0x37) {
cda0dd78 2000 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
6c483de1 2001 hdev->name, ver.hw_platform);
cda0dd78
MH		 2002 return -EINVAL;
2003 }
2004
a0af53b5
THJA		 2005 /* At the moment the iBT 3.0 hardware variants 0x0b (LnP/SfP)
2006 * and 0x0c (WsP) are supported by this firmware loading method.
2007 *
2008 * This check has been put in place to ensure correct forward
2009 * compatibility options when newer hardware variants come along.
cda0dd78 2010 */
a0af53b5 2011 if (ver.hw_variant != 0x0b && ver.hw_variant != 0x0c) {
cda0dd78 2012 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
6c483de1 2013 hdev->name, ver.hw_variant);
cda0dd78
MH		 2014 return -EINVAL;
2015 }
2016
6c483de1 2017 btintel_version_info(hdev, &ver);
cda0dd78
MH		 2018
2019 /* The firmware variant determines if the device is in bootloader
2020 * mode or is running operational firmware. The value 0x06 identifies
2021 * the bootloader and the value 0x23 identifies the operational
2022 * firmware.
2023 *
2024 * When the operational firmware is already present, then only
2025 * the check for valid Bluetooth device address is needed. This
2026 * determines if the device will be added as configured or
2027 * unconfigured controller.
2028 *
2029 * It is not possible to use the Secure Boot Parameters in this
2030 * case since that command is only available in bootloader mode.
2031 */
6c483de1 2032 if (ver.fw_variant == 0x23) {
cda0dd78 2033 clear_bit(BTUSB_BOOTLOADER, &data->flags);
4185a0f5 2034 btintel_check_bdaddr(hdev);
cda0dd78
MH		 2035 return 0;
2036 }
2037
2038 /* If the device is not in bootloader mode, then the only possible
2039 * choice is to return an error and abort the device initialization.
2040 */
6c483de1 2041 if (ver.fw_variant != 0x06) {
cda0dd78 2042 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
6c483de1 2043 hdev->name, ver.fw_variant);
cda0dd78
MH		 2044 return -ENODEV;
2045 }
2046
cda0dd78
MH		 2047 /* Read the secure boot parameters to identify the operating
2048 * details of the bootloader.
2049 */
2050 skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT);
2051 if (IS_ERR(skb)) {
2052 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2053 hdev->name, PTR_ERR(skb));
2054 return PTR_ERR(skb);
2055 }
2056
2057 if (skb->len != sizeof(*params)) {
2058 BT_ERR("%s: Intel boot parameters size mismatch", hdev->name);
2059 kfree_skb(skb);
2060 return -EILSEQ;
2061 }
2062
2063 params = (struct intel_boot_params *)skb->data;
cda0dd78
MH		 2064
2065 BT_INFO("%s: Device revision is %u", hdev->name,
2066 le16_to_cpu(params->dev_revid));
2067
2068 BT_INFO("%s: Secure boot is %s", hdev->name,
2069 params->secure_boot ? "enabled" : "disabled");
2070
2220994e
MH		 2071 BT_INFO("%s: OTP lock is %s", hdev->name,
2072 params->otp_lock ? "enabled" : "disabled");
2073
2074 BT_INFO("%s: API lock is %s", hdev->name,
2075 params->api_lock ? "enabled" : "disabled");
2076
2077 BT_INFO("%s: Debug lock is %s", hdev->name,
2078 params->debug_lock ? "enabled" : "disabled");
2079
cda0dd78
MH		 2080 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name,
2081 params->min_fw_build_nn, params->min_fw_build_cw,
2082 2000 + params->min_fw_build_yy);
2083
2084 /* It is required that every single firmware fragment is acknowledged
2085 * with a command complete event. If the boot parameters indicate
2086 * that this bootloader does not send them, then abort the setup.
2087 */
2088 if (params->limited_cce != 0x00) {
2089 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2090 hdev->name, params->limited_cce);
2091 kfree_skb(skb);
2092 return -EINVAL;
2093 }
2094
2095 /* If the OTP has no valid Bluetooth device address, then there will
2096 * also be no valid address for the operational firmware.
2097 */
2098 if (!bacmp(&params->otp_bdaddr, BDADDR_ANY)) {
2099 BT_INFO("%s: No device address configured", hdev->name);
2100 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2101 }
2102
2103 /* With this Intel bootloader only the hardware variant and device
2104 * revision information are used to select the right firmware.
2105 *
2106 * Currently this bootloader support is limited to hardware variant
2107 * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b).
2108 */
2109 snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi",
2110 le16_to_cpu(params->dev_revid));
2111
2112 err = request_firmware(&fw, fwname, &hdev->dev);
2113 if (err < 0) {
2114 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2115 hdev->name, err);
2116 kfree_skb(skb);
2117 return err;
2118 }
2119
2120 BT_INFO("%s: Found device firmware: %s", hdev->name, fwname);
2121
52cc9168
THJA		 2122 /* Save the DDC file name for later use to apply once the firmware
2123 * downloading is done.
2124 */
2125 snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.ddc",
2126 le16_to_cpu(params->dev_revid));
2127
cda0dd78
MH		 2128 kfree_skb(skb);
2129
2130 if (fw->size < 644) {
2131 BT_ERR("%s: Invalid size of firmware file (%zu)",
2132 hdev->name, fw->size);
2133 err = -EBADF;
2134 goto done;
2135 }
2136
2137 set_bit(BTUSB_DOWNLOADING, &data->flags);
2138
2139 /* Start the firmware download transaction with the Init fragment
2140 * represented by the 128 bytes of CSS header.
2141 */
09df123d 2142 err = btintel_secure_send(hdev, 0x00, 128, fw->data);
cda0dd78
MH		 2143 if (err < 0) {
2144 BT_ERR("%s: Failed to send firmware header (%d)",
2145 hdev->name, err);
2146 goto done;
2147 }
2148
2149 /* Send the 256 bytes of public key information from the firmware
2150 * as the PKey fragment.
2151 */
09df123d 2152 err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
cda0dd78
MH		 2153 if (err < 0) {
2154 BT_ERR("%s: Failed to send firmware public key (%d)",
2155 hdev->name, err);
2156 goto done;
2157 }
2158
2159 /* Send the 256 bytes of signature information from the firmware
2160 * as the Sign fragment.
2161 */
09df123d 2162 err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
cda0dd78
MH		 2163 if (err < 0) {
2164 BT_ERR("%s: Failed to send firmware signature (%d)",
2165 hdev->name, err);
2166 goto done;
2167 }
2168
2169 fw_ptr = fw->data + 644;
e66890a9 2170 frag_len = 0;
cda0dd78
MH		 2171
2172 while (fw_ptr - fw->data < fw->size) {
e66890a9 2173 struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len);
cda0dd78 2174
e66890a9 2175 frag_len += sizeof(*cmd) + cmd->plen;
cda0dd78 2176
5075edae 2177 /* The parameter length of the secure send command requires
e66890a9
MH		 2178 * a 4 byte alignment. It happens so that the firmware file
2179 * contains proper Intel_NOP commands to align the fragments
2180 * as needed.
2181 *
2182 * Send set of commands with 4 byte alignment from the
2183 * firmware data buffer as a single Data fragement.
cda0dd78 2184 */
e66890a9 2185 if (!(frag_len % 4)) {
09df123d 2186 err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
e66890a9
MH		 2187 if (err < 0) {
2188 BT_ERR("%s: Failed to send firmware data (%d)",
2189 hdev->name, err);
2190 goto done;
2191 }
cda0dd78 2192
e66890a9
MH		 2193 fw_ptr += frag_len;
2194 frag_len = 0;
2195 }
cda0dd78
MH		 2196 }
2197
ce6bb929
MH		 2198 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2199
a087a98e
JH		 2200 BT_INFO("%s: Waiting for firmware download to complete", hdev->name);
2201
cda0dd78
MH		 2202 /* Before switching the device into operational mode and with that
2203 * booting the loaded firmware, wait for the bootloader notification
2204 * that all fragments have been successfully received.
2205 *
a087a98e
JH		 2206 * When the event processing receives the notification, then the
2207 * BTUSB_DOWNLOADING flag will be cleared.
2208 *
2209 * The firmware loading should not take longer than 5 seconds
2210 * and thus just timeout if that happens and fail the setup
2211 * of this device.
cda0dd78 2212 */
129a7693
JH		 2213 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2214 TASK_INTERRUPTIBLE,
2215 msecs_to_jiffies(5000));
a087a98e
JH		 2216 if (err == 1) {
2217 BT_ERR("%s: Firmware loading interrupted", hdev->name);
2218 err = -EINTR;
2219 goto done;
2220 }
cda0dd78 2221
a087a98e
JH		 2222 if (err) {
2223 BT_ERR("%s: Firmware loading timeout", hdev->name);
2224 err = -ETIMEDOUT;
2225 goto done;
cda0dd78
MH		 2226 }
2227
2228 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
2229 BT_ERR("%s: Firmware loading failed", hdev->name);
2230 err = -ENOEXEC;
2231 goto done;
2232 }
2233
2234 rettime = ktime_get();
2235 delta = ktime_sub(rettime, calltime);
2236 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2237
2238 BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration);
2239
2240done:
2241 release_firmware(fw);
2242
2243 if (err < 0)
2244 return err;
2245
2246 calltime = ktime_get();
2247
2248 set_bit(BTUSB_BOOTING, &data->flags);
2249
2250 skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param,
2251 HCI_INIT_TIMEOUT);
2252 if (IS_ERR(skb))
2253 return PTR_ERR(skb);
2254
2255 kfree_skb(skb);
2256
2257 /* The bootloader will not indicate when the device is ready. This
2258 * is done by the operational firmware sending bootup notification.
fad70972
JH		 2259 *
2260 * Booting into operational firmware should not take longer than
2261 * 1 second. However if that happens, then just fail the setup
2262 * since something went wrong.
cda0dd78 2263 */
fad70972 2264 BT_INFO("%s: Waiting for device to boot", hdev->name);
cda0dd78 2265
129a7693
JH		 2266 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2267 TASK_INTERRUPTIBLE,
2268 msecs_to_jiffies(1000));
cda0dd78 2269
fad70972
JH		 2270 if (err == 1) {
2271 BT_ERR("%s: Device boot interrupted", hdev->name);
2272 return -EINTR;
2273 }
cda0dd78 2274
fad70972
JH		 2275 if (err) {
2276 BT_ERR("%s: Device boot timeout", hdev->name);
2277 return -ETIMEDOUT;
cda0dd78
MH		 2278 }
2279
2280 rettime = ktime_get();
2281 delta = ktime_sub(rettime, calltime);
2282 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2283
2284 BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration);
2285
2286 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2287
52cc9168
THJA		 2288 /* Once the device is running in operational mode, it needs to apply
2289 * the device configuration (DDC) parameters.
2290 *
2291 * The device can work without DDC parameters, so even if it fails
2292 * to load the file, no need to fail the setup.
2293 */
e924d3d6 2294 btintel_load_ddc_config(hdev, fwname);
52cc9168 2295
213445b2
MH		 2296 /* Set the event mask for Intel specific vendor events. This enables
2297 * a few extra events that are useful during general operation. It
2298 * does not enable any debugging related events.
2299 *
2300 * The device will function correctly without these events enabled
2301 * and thus no need to fail the setup.
2302 */
2303 btintel_set_event_mask(hdev, false);
2304
cda0dd78
MH		 2305 return 0;
2306}
2307
bfbd45e9
THJA		 2308static int btusb_shutdown_intel(struct hci_dev *hdev)
2309{
2310 struct sk_buff *skb;
2311 long ret;
2312
2313 /* Some platforms have an issue with BT LED when the interface is
2314 * down or BT radio is turned off, which takes 5 seconds to BT LED
2315 * goes off. This command turns off the BT LED immediately.
2316 */
2317 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2318 if (IS_ERR(skb)) {
2319 ret = PTR_ERR(skb);
2320 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2321 hdev->name, ret);
2322 return ret;
2323 }
2324 kfree_skb(skb);
2325
2326 return 0;
2327}
2328
ae8df494
AK		 2329static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
2330 const bdaddr_t *bdaddr)
2331{
2332 struct sk_buff *skb;
2333 u8 buf[8];
2334 long ret;
2335
2336 buf[0] = 0xfe;
2337 buf[1] = sizeof(bdaddr_t);
2338 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
2339
2340 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2341 if (IS_ERR(skb)) {
2342 ret = PTR_ERR(skb);
2343 BT_ERR("%s: changing Marvell device address failed (%ld)",
2344 hdev->name, ret);
2345 return ret;
2346 }
2347 kfree_skb(skb);
2348
2349 return 0;
2350}
2351
5859223e
TK		 2352static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
2353 const bdaddr_t *bdaddr)
2354{
2355 struct sk_buff *skb;
2356 u8 buf[10];
2357 long ret;
2358
2359 buf[0] = 0x01;
2360 buf[1] = 0x01;
2361 buf[2] = 0x00;
2362 buf[3] = sizeof(bdaddr_t);
2363 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
2364
2365 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2366 if (IS_ERR(skb)) {
2367 ret = PTR_ERR(skb);
2368 BT_ERR("%s: Change address command failed (%ld)",
2369 hdev->name, ret);
2370 return ret;
2371 }
2372 kfree_skb(skb);
2373
2374 return 0;
2375}
2376
3267c884
KBYT		 2377#define QCA_DFU_PACKET_LEN 4096
2378
2379#define QCA_GET_TARGET_VERSION 0x09
2380#define QCA_CHECK_STATUS 0x05
2381#define QCA_DFU_DOWNLOAD 0x01
2382
2383#define QCA_SYSCFG_UPDATED 0x40
2384#define QCA_PATCH_UPDATED 0x80
2385#define QCA_DFU_TIMEOUT 3000
2386
2387struct qca_version {
2388 __le32 rom_version;
2389 __le32 patch_version;
2390 __le32 ram_version;
2391 __le32 ref_clock;
2392 __u8 reserved[4];
2393} __packed;
2394
2395struct qca_rampatch_version {
2396 __le16 rom_version;
2397 __le16 patch_version;
2398} __packed;
2399
2400struct qca_device_info {
bf906b3d
KBYT		 2401 u32 rom_version;
2402 u8 rampatch_hdr; /* length of header in rampatch */
2403 u8 nvm_hdr; /* length of header in NVM */
2404 u8 ver_offset; /* offset of version structure in rampatch */
3267c884
KBYT		 2405};
2406
2407static const struct qca_device_info qca_devices_table[] = {
2408 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2409 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
7f6e6363 2410 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
3267c884
KBYT		 2411 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2412 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2413 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2414};
2415
2416static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
2417 void *data, u16 size)
2418{
2419 struct btusb_data *btdata = hci_get_drvdata(hdev);
2420 struct usb_device *udev = btdata->udev;
2421 int pipe, err;
2422 u8 *buf;
2423
2424 buf = kmalloc(size, GFP_KERNEL);
2425 if (!buf)
2426 return -ENOMEM;
2427
2428 /* Found some of USB hosts have IOT issues with ours so that we should
2429 * not wait until HCI layer is ready.
2430 */
2431 pipe = usb_rcvctrlpipe(udev, 0);
2432 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
2433 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2434 if (err < 0) {
2435 BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err);
2436 goto done;
2437 }
2438
2439 memcpy(data, buf, size);
2440
2441done:
2442 kfree(buf);
2443
2444 return err;
2445}
2446
2447static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
2448 const struct firmware *firmware,
2449 size_t hdr_size)
2450{
2451 struct btusb_data *btdata = hci_get_drvdata(hdev);
2452 struct usb_device *udev = btdata->udev;
2453 size_t count, size, sent = 0;
2454 int pipe, len, err;
2455 u8 *buf;
2456
2457 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
2458 if (!buf)
2459 return -ENOMEM;
2460
2461 count = firmware->size;
2462
2463 size = min_t(size_t, count, hdr_size);
2464 memcpy(buf, firmware->data, size);
2465
2466 /* USB patches should go down to controller through USB path
2467 * because binary format fits to go down through USB channel.
2468 * USB control path is for patching headers and USB bulk is for
2469 * patch body.
2470 */
2471 pipe = usb_sndctrlpipe(udev, 0);
2472 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
2473 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2474 if (err < 0) {
2475 BT_ERR("%s: Failed to send headers (%d)", hdev->name, err);
2476 goto done;
2477 }
2478
2479 sent += size;
2480 count -= size;
2481
2482 while (count) {
2483 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
2484
2485 memcpy(buf, firmware->data + sent, size);
2486
2487 pipe = usb_sndbulkpipe(udev, 0x02);
2488 err = usb_bulk_msg(udev, pipe, buf, size, &len,
2489 QCA_DFU_TIMEOUT);
2490 if (err < 0) {
2491 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2492 hdev->name, sent, firmware->size, err);
2493 break;
2494 }
2495
2496 if (size != len) {
2497 BT_ERR("%s: Failed to get bulk buffer", hdev->name);
2498 err = -EILSEQ;
2499 break;
2500 }
2501
2502 sent += size;
2503 count -= size;
2504 }
2505
2506done:
2507 kfree(buf);
2508 return err;
2509}
2510
2511static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
2512 struct qca_version *ver,
2513 const struct qca_device_info *info)
2514{
2515 struct qca_rampatch_version *rver;
2516 const struct firmware *fw;
bf906b3d
KBYT		 2517 u32 ver_rom, ver_patch;
2518 u16 rver_rom, rver_patch;
3267c884
KBYT		 2519 char fwname[64];
2520 int err;
2521
bf906b3d
KBYT		 2522 ver_rom = le32_to_cpu(ver->rom_version);
2523 ver_patch = le32_to_cpu(ver->patch_version);
2524
2525 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
3267c884
KBYT		 2526
2527 err = request_firmware(&fw, fwname, &hdev->dev);
2528 if (err) {
2529 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2530 hdev->name, fwname, err);
2531 return err;
2532 }
2533
2534 BT_INFO("%s: using rampatch file: %s", hdev->name, fwname);
bf906b3d 2535
3267c884 2536 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
bf906b3d
KBYT		 2537 rver_rom = le16_to_cpu(rver->rom_version);
2538 rver_patch = le16_to_cpu(rver->patch_version);
2539
3267c884 2540 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
bf906b3d
KBYT		 2541 "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom,
2542 ver_patch);
3267c884 2543
bf906b3d 2544 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
3267c884
KBYT		 2545 BT_ERR("%s: rampatch file version did not match with firmware",
2546 hdev->name);
2547 err = -EINVAL;
2548 goto done;
2549 }
2550
2551 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
2552
2553done:
2554 release_firmware(fw);
2555
2556 return err;
2557}
2558
2559static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
2560 struct qca_version *ver,
2561 const struct qca_device_info *info)
2562{
2563 const struct firmware *fw;
2564 char fwname[64];
2565 int err;
2566
2567 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
2568 le32_to_cpu(ver->rom_version));
2569
2570 err = request_firmware(&fw, fwname, &hdev->dev);
2571 if (err) {
2572 BT_ERR("%s: failed to request NVM file: %s (%d)",
2573 hdev->name, fwname, err);
2574 return err;
2575 }
2576
2577 BT_INFO("%s: using NVM file: %s", hdev->name, fwname);
2578
2579 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
2580
2581 release_firmware(fw);
2582
2583 return err;
2584}
2585
2586static int btusb_setup_qca(struct hci_dev *hdev)
2587{
2588 const struct qca_device_info *info = NULL;
2589 struct qca_version ver;
bf906b3d 2590 u32 ver_rom;
3267c884
KBYT		 2591 u8 status;
2592 int i, err;
2593
2594 err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
eb50042f 2595 sizeof(ver));
3267c884
KBYT		 2596 if (err < 0)
2597 return err;
2598
bf906b3d 2599 ver_rom = le32_to_cpu(ver.rom_version);
3267c884 2600 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
bf906b3d 2601 if (ver_rom == qca_devices_table[i].rom_version)
3267c884
KBYT		 2602 info = &qca_devices_table[i];
2603 }
2604 if (!info) {
2605 BT_ERR("%s: don't support firmware rome 0x%x", hdev->name,
bf906b3d 2606 ver_rom);
3267c884
KBYT		 2607 return -ENODEV;
2608 }
2609
2610 err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status,
2611 sizeof(status));
2612 if (err < 0)
2613 return err;
2614
2615 if (!(status & QCA_PATCH_UPDATED)) {
2616 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
2617 if (err < 0)
2618 return err;
2619 }
2620
2621 if (!(status & QCA_SYSCFG_UPDATED)) {
2622 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
2623 if (err < 0)
2624 return err;
2625 }
2626
2627 return 0;
2628}
2629
9d08f504
MH		 2630#ifdef CONFIG_BT_HCIBTUSB_BCM
2631static inline int __set_diag_interface(struct hci_dev *hdev)
2632{
2633 struct btusb_data *data = hci_get_drvdata(hdev);
2634 struct usb_interface *intf = data->diag;
2635 int i;
2636
2637 if (!data->diag)
2638 return -ENODEV;
2639
2640 data->diag_tx_ep = NULL;
2641 data->diag_rx_ep = NULL;
2642
2643 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2644 struct usb_endpoint_descriptor *ep_desc;
2645
2646 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2647
2648 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2649 data->diag_tx_ep = ep_desc;
2650 continue;
2651 }
2652
2653 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2654 data->diag_rx_ep = ep_desc;
2655 continue;
2656 }
2657 }
2658
2659 if (!data->diag_tx_ep || !data->diag_rx_ep) {
2660 BT_ERR("%s invalid diagnostic descriptors", hdev->name);
2661 return -ENODEV;
2662 }
2663
2664 return 0;
2665}
2666
2667static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
2668{
2669 struct btusb_data *data = hci_get_drvdata(hdev);
2670 struct sk_buff *skb;
2671 struct urb *urb;
2672 unsigned int pipe;
2673
2674 if (!data->diag_tx_ep)
2675 return ERR_PTR(-ENODEV);
2676
2677 urb = usb_alloc_urb(0, GFP_KERNEL);
2678 if (!urb)
2679 return ERR_PTR(-ENOMEM);
2680
2681 skb = bt_skb_alloc(2, GFP_KERNEL);
2682 if (!skb) {
2683 usb_free_urb(urb);
2684 return ERR_PTR(-ENOMEM);
2685 }
2686
2687 *skb_put(skb, 1) = 0xf0;
2688 *skb_put(skb, 1) = enable;
2689
2690 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
2691
2692 usb_fill_bulk_urb(urb, data->udev, pipe,
2693 skb->data, skb->len, btusb_tx_complete, skb);
2694
2695 skb->dev = (void *)hdev;
2696
2697 return urb;
2698}
2699
2700static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
2701{
2702 struct btusb_data *data = hci_get_drvdata(hdev);
2703 struct urb *urb;
2704
2705 if (!data->diag)
2706 return -ENODEV;
2707
2708 if (!test_bit(HCI_RUNNING, &hdev->flags))
2709 return -ENETDOWN;
2710
2711 urb = alloc_diag_urb(hdev, enable);
2712 if (IS_ERR(urb))
2713 return PTR_ERR(urb);
2714
2715 return submit_or_queue_tx_urb(hdev, urb);
2716}
2717#endif
2718
5e23b923 2719static int btusb_probe(struct usb_interface *intf,
89e7533d 2720 const struct usb_device_id *id)
5e23b923
MH		 2721{
2722 struct usb_endpoint_descriptor *ep_desc;
2723 struct btusb_data *data;
2724 struct hci_dev *hdev;
22f8e9db 2725 unsigned ifnum_base;
5e23b923
MH		 2726 int i, err;
2727
2728 BT_DBG("intf %p id %p", intf, id);
2729
cfeb4145 2730 /* interface numbers are hardcoded in the spec */
22f8e9db
MH		 2731 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
2732 if (!(id->driver_info & BTUSB_IFNUM_2))
2733 return -ENODEV;
2734 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
2735 return -ENODEV;
2736 }
2737
2738 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
5e23b923
MH		 2739
2740 if (!id->driver_info) {
2741 const struct usb_device_id *match;
89e7533d 2742
5e23b923
MH		 2743 match = usb_match_id(intf, blacklist_table);
2744 if (match)
2745 id = match;
2746 }
2747
cfeb4145
MH		 2748 if (id->driver_info == BTUSB_IGNORE)
2749 return -ENODEV;
2750
2d25f8b4
SL		 2751 if (id->driver_info & BTUSB_ATH3012) {
2752 struct usb_device *udev = interface_to_usbdev(intf);
2753
2754 /* Old firmware would otherwise let ath3k driver load
2755 * patch and sysconfig files */
2756 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
2757 return -ENODEV;
2758 }
2759
98921dbd 2760 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
5e23b923
MH		 2761 if (!data)
2762 return -ENOMEM;
2763
2764 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2765 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2766
2767 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
2768 data->intr_ep = ep_desc;
2769 continue;
2770 }
2771
2772 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2773 data->bulk_tx_ep = ep_desc;
2774 continue;
2775 }
2776
2777 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2778 data->bulk_rx_ep = ep_desc;
2779 continue;
2780 }
2781 }
2782
98921dbd 2783 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
5e23b923 2784 return -ENODEV;
5e23b923 2785
893ba544
MH		 2786 if (id->driver_info & BTUSB_AMP) {
2787 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
2788 data->cmdreq = 0x2b;
2789 } else {
2790 data->cmdreq_type = USB_TYPE_CLASS;
2791 data->cmdreq = 0x00;
2792 }
7a9d4020 2793
5e23b923 2794 data->udev = interface_to_usbdev(intf);
5fbcd260 2795 data->intf = intf;
5e23b923 2796
5e23b923 2797 INIT_WORK(&data->work, btusb_work);
7bee549e 2798 INIT_WORK(&data->waker, btusb_waker);
803b5836
MH		 2799 init_usb_anchor(&data->deferred);
2800 init_usb_anchor(&data->tx_anchor);
7bee549e 2801 spin_lock_init(&data->txlock);
5e23b923 2802
5e23b923
MH		 2803 init_usb_anchor(&data->intr_anchor);
2804 init_usb_anchor(&data->bulk_anchor);
9bfa35fe 2805 init_usb_anchor(&data->isoc_anchor);
9d08f504 2806 init_usb_anchor(&data->diag_anchor);
803b5836 2807 spin_lock_init(&data->rxlock);
5e23b923 2808
cda0dd78
MH		 2809 if (id->driver_info & BTUSB_INTEL_NEW) {
2810 data->recv_event = btusb_recv_event_intel;
2811 data->recv_bulk = btusb_recv_bulk_intel;
2812 set_bit(BTUSB_BOOTLOADER, &data->flags);
2813 } else {
2814 data->recv_event = hci_recv_frame;
2815 data->recv_bulk = btusb_recv_bulk;
2816 }
2cbd3f5c 2817
5e23b923 2818 hdev = hci_alloc_dev();
98921dbd 2819 if (!hdev)
5e23b923 2820 return -ENOMEM;
5e23b923 2821
c13854ce 2822 hdev->bus = HCI_USB;
155961e8 2823 hci_set_drvdata(hdev, data);
5e23b923 2824
893ba544
MH		 2825 if (id->driver_info & BTUSB_AMP)
2826 hdev->dev_type = HCI_AMP;
2827 else
2828 hdev->dev_type = HCI_BREDR;
2829
5e23b923
MH		 2830 data->hdev = hdev;
2831
2832 SET_HCIDEV_DEV(hdev, &intf->dev);
2833
9f8f962c
MH		 2834 hdev->open = btusb_open;
2835 hdev->close = btusb_close;
2836 hdev->flush = btusb_flush;
2837 hdev->send = btusb_send_frame;
2838 hdev->notify = btusb_notify;
2839
6c9d435d
MH		 2840 if (id->driver_info & BTUSB_BCM2045)
2841 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
2842
9f8f962c
MH		 2843 if (id->driver_info & BTUSB_BCM92035)
2844 hdev->setup = btusb_setup_bcm92035;
5e23b923 2845
c2bfb100 2846#ifdef CONFIG_BT_HCIBTUSB_BCM
abbaf50e 2847 if (id->driver_info & BTUSB_BCM_PATCHRAM) {
49a5f782 2848 hdev->manufacturer = 15;
c2bfb100 2849 hdev->setup = btbcm_setup_patchram;
9d08f504 2850 hdev->set_diag = btusb_bcm_set_diag;
1df1f591 2851 hdev->set_bdaddr = btbcm_set_bdaddr;
9d08f504
MH		 2852
2853 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 2854 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
abbaf50e 2855 }
10d4c673 2856
9d08f504 2857 if (id->driver_info & BTUSB_BCM_APPLE) {
49a5f782 2858 hdev->manufacturer = 15;
c2bfb100 2859 hdev->setup = btbcm_setup_apple;
9d08f504
MH		 2860 hdev->set_diag = btusb_bcm_set_diag;
2861
2862 /* Broadcom LM_DIAG Interface numbers are hardcoded */
22f8e9db 2863 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
9d08f504 2864 }
c2bfb100 2865#endif
17b2772b 2866
cb8d6597 2867 if (id->driver_info & BTUSB_INTEL) {
49a5f782 2868 hdev->manufacturer = 2;
dffd30ee 2869 hdev->setup = btusb_setup_intel;
bfbd45e9 2870 hdev->shutdown = btusb_shutdown_intel;
3e24767b 2871 hdev->set_diag = btintel_set_diag_mfg;
4185a0f5 2872 hdev->set_bdaddr = btintel_set_bdaddr;
c33fb9b4 2873 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
c1154842 2874 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
3e24767b 2875 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
cb8d6597 2876 }
dffd30ee 2877
cda0dd78 2878 if (id->driver_info & BTUSB_INTEL_NEW) {
49a5f782 2879 hdev->manufacturer = 2;
cda0dd78
MH		 2880 hdev->send = btusb_send_frame_intel;
2881 hdev->setup = btusb_setup_intel_new;
eeb6abe9 2882 hdev->hw_error = btintel_hw_error;
6d2e50d2 2883 hdev->set_diag = btintel_set_diag;
4185a0f5 2884 hdev->set_bdaddr = btintel_set_bdaddr;
b970c5ba 2885 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
d8270fbb 2886 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
cda0dd78
MH		 2887 }
2888
ae8df494
AK		 2889 if (id->driver_info & BTUSB_MARVELL)
2890 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
2891
661cf88a
MH		 2892 if (id->driver_info & BTUSB_SWAVE) {
2893 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
d57dbe77 2894 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
661cf88a 2895 }
d57dbe77 2896
e4c534bb
MH		 2897 if (id->driver_info & BTUSB_INTEL_BOOT) {
2898 hdev->manufacturer = 2;
40df783d 2899 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
e4c534bb 2900 }
40df783d 2901
79f0c87d 2902 if (id->driver_info & BTUSB_ATH3012) {
5859223e 2903 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
3d50d51a 2904 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
79f0c87d
JP		 2905 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
2906 }
5859223e 2907
3267c884
KBYT		 2908 if (id->driver_info & BTUSB_QCA_ROME) {
2909 data->setup_on_usb = btusb_setup_qca;
2910 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
2911 }
2912
db33c77d 2913#ifdef CONFIG_BT_HCIBTUSB_RTL
04b8c814 2914 if (id->driver_info & BTUSB_REALTEK) {
db33c77d 2915 hdev->setup = btrtl_setup_realtek;
04b8c814
DD		 2916
2917 /* Realtek devices lose their updated firmware over suspend,
2918 * but the USB hub doesn't notice any status change.
2919 * Explicitly request a device reset on resume.
2920 */
2921 set_bit(BTUSB_RESET_RESUME, &data->flags);
2922 }
db33c77d 2923#endif
a2698a9b 2924
893ba544
MH		 2925 if (id->driver_info & BTUSB_AMP) {
2926 /* AMP controllers do not support SCO packets */
2927 data->isoc = NULL;
2928 } else {
22f8e9db
MH		 2929 /* Interface orders are hardcoded in the specification */
2930 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
893ba544 2931 }
9bfa35fe 2932
7a9d4020 2933 if (!reset)
a6c511c6 2934 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
cfeb4145
MH		 2935
2936 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
2937 if (!disable_scofix)
2938 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
2939 }
2940
9bfa35fe
MH		 2941 if (id->driver_info & BTUSB_BROKEN_ISOC)
2942 data->isoc = NULL;
2943
7a9d4020
MH		 2944 if (id->driver_info & BTUSB_DIGIANSWER) {
2945 data->cmdreq_type = USB_TYPE_VENDOR;
a6c511c6 2946 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
7a9d4020
MH		 2947 }
2948
2949 if (id->driver_info & BTUSB_CSR) {
2950 struct usb_device *udev = data->udev;
81cac64b 2951 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
7a9d4020
MH		 2952
2953 /* Old firmware would otherwise execute USB reset */
81cac64b 2954 if (bcdDevice < 0x117)
a6c511c6 2955 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
81cac64b
MH		 2956
2957 /* Fake CSR devices with broken commands */
6cafcd95 2958 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
81cac64b 2959 hdev->setup = btusb_setup_csr;
49c989a0
JP		 2960
2961 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
7a9d4020
MH		 2962 }
2963
cfeb4145 2964 if (id->driver_info & BTUSB_SNIFFER) {
9bfa35fe 2965 struct usb_device *udev = data->udev;
cfeb4145 2966
7a9d4020 2967 /* New sniffer firmware has crippled HCI interface */
cfeb4145
MH		 2968 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
2969 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
2970 }
2971
3a5ef20c
MH		 2972 if (id->driver_info & BTUSB_INTEL_BOOT) {
2973 /* A bug in the bootloader causes that interrupt interface is
2974 * only enabled after receiving SetInterface(0, AltSetting=0).
2975 */
2976 err = usb_set_interface(data->udev, 0, 0);
2977 if (err < 0) {
2978 BT_ERR("failed to set interface 0, alt 0 %d", err);
2979 hci_free_dev(hdev);
2980 return err;
2981 }
2982 }
2983
9bfa35fe
MH		 2984 if (data->isoc) {
2985 err = usb_driver_claim_interface(&btusb_driver,
89e7533d 2986 data->isoc, data);
9bfa35fe
MH		 2987 if (err < 0) {
2988 hci_free_dev(hdev);
9bfa35fe
MH		 2989 return err;
2990 }
2991 }
2992
9d08f504
MH		 2993#ifdef CONFIG_BT_HCIBTUSB_BCM
2994 if (data->diag) {
2995 if (!usb_driver_claim_interface(&btusb_driver,
2996 data->diag, data))
2997 __set_diag_interface(hdev);
2998 else
2999 data->diag = NULL;
3000 }
3001#endif
3002
5e23b923
MH		 3003 err = hci_register_dev(hdev);
3004 if (err < 0) {
3005 hci_free_dev(hdev);
5e23b923
MH		 3006 return err;
3007 }
3008
3009 usb_set_intfdata(intf, data);
3010
3011 return 0;
3012}
3013
3014static void btusb_disconnect(struct usb_interface *intf)
3015{
3016 struct btusb_data *data = usb_get_intfdata(intf);
3017 struct hci_dev *hdev;
3018
3019 BT_DBG("intf %p", intf);
3020
3021 if (!data)
3022 return;
3023
3024 hdev = data->hdev;
5fbcd260
MH		 3025 usb_set_intfdata(data->intf, NULL);
3026
3027 if (data->isoc)
3028 usb_set_intfdata(data->isoc, NULL);
5e23b923 3029
9d08f504
MH		 3030 if (data->diag)
3031 usb_set_intfdata(data->diag, NULL);
3032
5e23b923
MH		 3033 hci_unregister_dev(hdev);
3034
9d08f504
MH		 3035 if (intf == data->intf) {
3036 if (data->isoc)
3037 usb_driver_release_interface(&btusb_driver, data->isoc);
3038 if (data->diag)
3039 usb_driver_release_interface(&btusb_driver, data->diag);
3040 } else if (intf == data->isoc) {
3041 if (data->diag)
3042 usb_driver_release_interface(&btusb_driver, data->diag);
5fbcd260 3043 usb_driver_release_interface(&btusb_driver, data->intf);
9d08f504
MH		 3044 } else if (intf == data->diag) {
3045 usb_driver_release_interface(&btusb_driver, data->intf);
3046 if (data->isoc)
3047 usb_driver_release_interface(&btusb_driver, data->isoc);
3048 }
5fbcd260 3049
5e23b923
MH		 3050 hci_free_dev(hdev);
3051}
3052
7bee549e 3053#ifdef CONFIG_PM
6a88adf2
MH		 3054static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
3055{
3056 struct btusb_data *data = usb_get_intfdata(intf);
3057
3058 BT_DBG("intf %p", intf);
3059
3060 if (data->suspend_count++)
3061 return 0;
3062
7bee549e 3063 spin_lock_irq(&data->txlock);
5b1b0b81 3064 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
7bee549e
ON		 3065 set_bit(BTUSB_SUSPENDING, &data->flags);
3066 spin_unlock_irq(&data->txlock);
3067 } else {
3068 spin_unlock_irq(&data->txlock);
3069 data->suspend_count--;
3070 return -EBUSY;
3071 }
3072
6a88adf2
MH		 3073 cancel_work_sync(&data->work);
3074
7bee549e 3075 btusb_stop_traffic(data);
6a88adf2
MH		 3076 usb_kill_anchored_urbs(&data->tx_anchor);
3077
04b8c814
DD		 3078 /* Optionally request a device reset on resume, but only when
3079 * wakeups are disabled. If wakeups are enabled we assume the
3080 * device will stay powered up throughout suspend.
3081 */
3082 if (test_bit(BTUSB_RESET_RESUME, &data->flags) &&
3083 !device_may_wakeup(&data->udev->dev))
3084 data->udev->reset_resume = 1;
3085
6a88adf2
MH		 3086 return 0;
3087}
3088
7bee549e
ON		 3089static void play_deferred(struct btusb_data *data)
3090{
3091 struct urb *urb;
3092 int err;
3093
3094 while ((urb = usb_get_from_anchor(&data->deferred))) {
3095 err = usb_submit_urb(urb, GFP_ATOMIC);
3096 if (err < 0)
3097 break;
3098
3099 data->tx_in_flight++;
3100 }
3101 usb_scuttle_anchored_urbs(&data->deferred);
3102}
3103
6a88adf2
MH		 3104static int btusb_resume(struct usb_interface *intf)
3105{
3106 struct btusb_data *data = usb_get_intfdata(intf);
3107 struct hci_dev *hdev = data->hdev;
7bee549e 3108 int err = 0;
6a88adf2
MH		 3109
3110 BT_DBG("intf %p", intf);
3111
3112 if (--data->suspend_count)
3113 return 0;
3114
3115 if (!test_bit(HCI_RUNNING, &hdev->flags))
7bee549e 3116 goto done;
6a88adf2
MH		 3117
3118 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
3119 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
3120 if (err < 0) {
3121 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
7bee549e 3122 goto failed;
6a88adf2
MH		 3123 }
3124 }
3125
3126 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
43c2e57f
MH		 3127 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
3128 if (err < 0) {
6a88adf2 3129 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
7bee549e
ON		 3130 goto failed;
3131 }
3132
3133 btusb_submit_bulk_urb(hdev, GFP_NOIO);
6a88adf2
MH		 3134 }
3135
3136 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
3137 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
3138 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3139 else
3140 btusb_submit_isoc_urb(hdev, GFP_NOIO);
3141 }
3142
7bee549e
ON		 3143 spin_lock_irq(&data->txlock);
3144 play_deferred(data);
3145 clear_bit(BTUSB_SUSPENDING, &data->flags);
3146 spin_unlock_irq(&data->txlock);
3147 schedule_work(&data->work);
3148
6a88adf2 3149 return 0;
7bee549e
ON		 3150
3151failed:
3152 usb_scuttle_anchored_urbs(&data->deferred);
3153done:
3154 spin_lock_irq(&data->txlock);
3155 clear_bit(BTUSB_SUSPENDING, &data->flags);
3156 spin_unlock_irq(&data->txlock);
3157
3158 return err;
6a88adf2 3159}
7bee549e 3160#endif
6a88adf2 3161
5e23b923
MH		 3162static struct usb_driver btusb_driver = {
3163 .name = "btusb",
3164 .probe = btusb_probe,
3165 .disconnect = btusb_disconnect,
7bee549e 3166#ifdef CONFIG_PM
6a88adf2
MH		 3167 .suspend = btusb_suspend,
3168 .resume = btusb_resume,
7bee549e 3169#endif
5e23b923 3170 .id_table = btusb_table,
7bee549e 3171 .supports_autosuspend = 1,
e1f12eb6 3172 .disable_hub_initiated_lpm = 1,
5e23b923
MH		 3173};
3174
93f1508c 3175module_usb_driver(btusb_driver);
5e23b923 3176
cfeb4145
MH		 3177module_param(disable_scofix, bool, 0644);
3178MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
3179
3180module_param(force_scofix, bool, 0644);
3181MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
3182
3183module_param(reset, bool, 0644);
3184MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
3185
5e23b923
MH		 3186MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3187MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
3188MODULE_VERSION(VERSION);
3189MODULE_LICENSE("GPL");
Linux 6.x block layer and io_uring tree(s)