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