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