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Commit | Line | Data |
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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 |
38 | static bool disable_scofix; |
39 | static bool force_scofix; | |
7a9d4020 | 40 | |
917a3337 | 41 | static bool reset = true; |
cfeb4145 MH |
42 | |
43 | static 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 | 66 | static 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 | ||
167 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
168 | ||
54265202 | 169 | static 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 | |
365 | struct 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 |
413 | static 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 |
431 | static 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 | ||
486 | static 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 | ||
543 | static 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 |
598 | static 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 | 640 | static 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 | ||
687 | static 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 | 729 | static 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 |
775 | static 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 | 824 | static 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 | 845 | static 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 |
896 | static 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 | ||
936 | static 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 | 982 | static 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 | ||
999 | done: | |
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 | ||
1009 | static 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 | ||
1025 | done: | |
1026 | kfree(urb->setup_packet); | |
1027 | ||
1028 | kfree_skb(skb); | |
1029 | } | |
1030 | ||
1031 | static 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 |
1074 | done: |
1075 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
1076 | return 0; |
1077 | ||
1078 | failed: | |
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 |
1084 | static 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 |
1092 | static 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 |
1117 | failed: |
1118 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
1119 | return 0; |
1120 | } | |
1121 | ||
1122 | static 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 | 1134 | static 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 |
1167 | static 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 |
1190 | static 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 | ||
1219 | static 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 |
1241 | static 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 | ||
1263 | static 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 |
1301 | static 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 | 1313 | static 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 |
1356 | static 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 |
1423 | static 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 |
1435 | static 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 |
1451 | static 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 | 1493 | static 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 | ||
1534 | static 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 | ||
1649 | static 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 | |
1769 | exit_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 | |
1779 | exit_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 |
1792 | complete: |
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 |
1802 | static 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 | ||
1827 | static 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 |
1840 | static 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 | ||
1854 | static 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 |
1872 | static 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 | ||
1907 | static 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 |
1968 | static 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(¶ms->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 | ||
2240 | done: | |
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 |
2308 | static 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 |
2329 | static 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 |
2352 | static 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 | ||
2387 | struct 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 | ||
2395 | struct qca_rampatch_version { | |
2396 | __le16 rom_version; | |
2397 | __le16 patch_version; | |
2398 | } __packed; | |
2399 | ||
2400 | struct 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 | ||
2407 | static 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 | ||
2416 | static 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 | ||
2441 | done: | |
2442 | kfree(buf); | |
2443 | ||
2444 | return err; | |
2445 | } | |
2446 | ||
2447 | static 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 | ||
2506 | done: | |
2507 | kfree(buf); | |
2508 | return err; | |
2509 | } | |
2510 | ||
2511 | static 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 | ||
2553 | done: | |
2554 | release_firmware(fw); | |
2555 | ||
2556 | return err; | |
2557 | } | |
2558 | ||
2559 | static 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 | ||
2586 | static 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 |
2631 | static 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 | ||
2667 | static 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 | ||
2700 | static 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 | 2719 | static 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 | ||
3014 | static 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 |
3054 | static 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 |
3089 | static 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 |
3104 | static 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 | |
3151 | failed: | |
3152 | usb_scuttle_anchored_urbs(&data->deferred); | |
3153 | done: | |
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 |
3162 | static 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 | 3175 | module_usb_driver(btusb_driver); |
5e23b923 | 3176 | |
cfeb4145 MH |
3177 | module_param(disable_scofix, bool, 0644); |
3178 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
3179 | ||
3180 | module_param(force_scofix, bool, 0644); | |
3181 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
3182 | ||
3183 | module_param(reset, bool, 0644); | |
3184 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
3185 | ||
5e23b923 MH |
3186 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
3187 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
3188 | MODULE_VERSION(VERSION); | |
3189 | MODULE_LICENSE("GPL"); |