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Commit | Line | Data |
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5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 25 | #include <linux/usb.h> |
dffd30ee | 26 | #include <linux/firmware.h> |
fd913ef7 RJ |
27 | #include <linux/of_device.h> |
28 | #include <linux/of_irq.h> | |
a2698a9b | 29 | #include <asm/unaligned.h> |
5e23b923 MH |
30 | |
31 | #include <net/bluetooth/bluetooth.h> | |
32 | #include <net/bluetooth/hci_core.h> | |
33 | ||
4185a0f5 | 34 | #include "btintel.h" |
1df1f591 | 35 | #include "btbcm.h" |
db33c77d | 36 | #include "btrtl.h" |
1df1f591 | 37 | |
34dced9b | 38 | #define VERSION "0.8" |
cfeb4145 | 39 | |
90ab5ee9 RR |
40 | static bool disable_scofix; |
41 | static bool force_scofix; | |
7a9d4020 | 42 | |
917a3337 | 43 | static bool reset = true; |
cfeb4145 MH |
44 | |
45 | static struct usb_driver btusb_driver; | |
46 | ||
47 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
48 | #define BTUSB_DIGIANSWER 0x02 |
49 | #define BTUSB_CSR 0x04 | |
50 | #define BTUSB_SNIFFER 0x08 | |
51 | #define BTUSB_BCM92035 0x10 | |
52 | #define BTUSB_BROKEN_ISOC 0x20 | |
53 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 54 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 55 | #define BTUSB_INTEL 0x100 |
40df783d MH |
56 | #define BTUSB_INTEL_BOOT 0x200 |
57 | #define BTUSB_BCM_PATCHRAM 0x400 | |
ae8df494 | 58 | #define BTUSB_MARVELL 0x800 |
4fcef8ed | 59 | #define BTUSB_SWAVE 0x1000 |
cda0dd78 | 60 | #define BTUSB_INTEL_NEW 0x2000 |
893ba544 | 61 | #define BTUSB_AMP 0x4000 |
3267c884 | 62 | #define BTUSB_QCA_ROME 0x8000 |
17b2772b | 63 | #define BTUSB_BCM_APPLE 0x10000 |
a2698a9b | 64 | #define BTUSB_REALTEK 0x20000 |
6c9d435d | 65 | #define BTUSB_BCM2045 0x40000 |
22f8e9db | 66 | #define BTUSB_IFNUM_2 0x80000 |
418678b0 | 67 | #define BTUSB_CW6622 0x100000 |
5e23b923 | 68 | |
54265202 | 69 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
70 | /* Generic Bluetooth USB device */ |
71 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
72 | ||
893ba544 MH |
73 | /* Generic Bluetooth AMP device */ |
74 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, | |
75 | ||
d63b2826 DD |
76 | /* Generic Bluetooth USB interface */ |
77 | { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) }, | |
78 | ||
1fa6535f | 79 | /* Apple-specific (Broadcom) devices */ |
17b2772b | 80 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), |
22f8e9db | 81 | .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 }, |
1fa6535f | 82 | |
178c059e CYC |
83 | /* MediaTek MT76x0E */ |
84 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
85 | ||
c510eae3 | 86 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 87 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 88 | |
3cd01976 NI |
89 | /* Apple MacBookPro 7,1 */ |
90 | { USB_DEVICE(0x05ac, 0x8213) }, | |
91 | ||
0a79f674 CL |
92 | /* Apple iMac11,1 */ |
93 | { USB_DEVICE(0x05ac, 0x8215) }, | |
94 | ||
9c047157 NI |
95 | /* Apple MacBookPro6,2 */ |
96 | { USB_DEVICE(0x05ac, 0x8218) }, | |
97 | ||
3e3ede7d EH |
98 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
99 | { USB_DEVICE(0x05ac, 0x821b) }, | |
100 | ||
a63b723d PAVM |
101 | /* Apple MacBookAir4,1 */ |
102 | { USB_DEVICE(0x05ac, 0x821f) }, | |
103 | ||
88d377b6 MAP |
104 | /* Apple MacBookPro8,2 */ |
105 | { USB_DEVICE(0x05ac, 0x821a) }, | |
106 | ||
f78b6826 JK |
107 | /* Apple MacMini5,1 */ |
108 | { USB_DEVICE(0x05ac, 0x8281) }, | |
109 | ||
cfeb4145 | 110 | /* AVM BlueFRITZ! USB v2.0 */ |
4fcef8ed | 111 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
cfeb4145 MH |
112 | |
113 | /* Bluetooth Ultraport Module from IBM */ | |
114 | { USB_DEVICE(0x04bf, 0x030a) }, | |
115 | ||
116 | /* ALPS Modules with non-standard id */ | |
117 | { USB_DEVICE(0x044e, 0x3001) }, | |
118 | { USB_DEVICE(0x044e, 0x3002) }, | |
119 | ||
120 | /* Ericsson with non-standard id */ | |
121 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
122 | ||
123 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 124 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 125 | |
d13431ca WJS |
126 | /* Broadcom BCM20702A0 */ |
127 | { USB_DEVICE(0x413c, 0x8197) }, | |
128 | ||
d049f4e5 MH |
129 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
130 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, | |
131 | ||
2faf71ce SR |
132 | /* Broadcom BCM43142A0 (Foxconn/Lenovo) */ |
133 | { USB_DEVICE(0x105b, 0xe065), .driver_info = BTUSB_BCM_PATCHRAM }, | |
134 | ||
a57bac43 CH |
135 | /* Broadcom BCM920703 (HTC Vive) */ |
136 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01), | |
137 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
138 | ||
98514036 | 139 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
140 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
141 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 142 | |
8f0c304c MD |
143 | /* Lite-On Technology - Broadcom based */ |
144 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), | |
145 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
146 | ||
0b880062 | 147 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
148 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
149 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 150 | |
c2aef6e8 | 151 | /* ASUSTek Computer - Broadcom based */ |
9a5abdaa RD |
152 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
153 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
c2aef6e8 | 154 | |
5bcecf32 | 155 | /* Belkin F8065bf - Broadcom based */ |
6331c686 MH |
156 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), |
157 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
5bcecf32 | 158 | |
9113bfd8 | 159 | /* IMC Networks - Broadcom based */ |
6331c686 MH |
160 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), |
161 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
9113bfd8 | 162 | |
fdfddc60 WJS |
163 | /* Dell Computer - Broadcom based */ |
164 | { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01), | |
165 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
166 | ||
1623d0bf DT |
167 | /* Toshiba Corp - Broadcom based */ |
168 | { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01), | |
169 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
170 | ||
40df783d | 171 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
172 | { USB_DEVICE(0x8087, 0x0a5a), |
173 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 174 | |
5e23b923 MH |
175 | { } /* Terminating entry */ |
176 | }; | |
177 | ||
178 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
179 | ||
54265202 | 180 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
181 | /* CSR BlueCore devices */ |
182 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
183 | ||
184 | /* Broadcom BCM2033 without firmware */ | |
185 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
186 | ||
6c9d435d MH |
187 | /* Broadcom BCM2045 devices */ |
188 | { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 }, | |
189 | ||
be93112a | 190 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
191 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
192 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
2eeff0b4 | 193 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, |
0b880062 | 194 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 195 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 196 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 197 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 198 | |
509e7861 CYC |
199 | /* Atheros AR9285 Malbec with sflash firmware */ |
200 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
201 | ||
d9f51b51 | 202 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
203 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
204 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
205 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
206 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
207 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
692c062e | 208 | { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, |
4b552bc9 | 209 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
28c971d8 | 210 | { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
211 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
212 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
213 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
214 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 215 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
216 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
217 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
7e730c7f | 218 | { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, |
ec0810d2 | 219 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, |
134d3b35 | 220 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
81d90442 | 221 | { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, |
441ad62d | 222 | { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 223 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
cd355ff0 | 224 | { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 225 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
89d2975f | 226 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 227 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 228 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 229 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 230 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 231 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 232 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 233 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 234 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 235 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
18e0afab | 236 | { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 237 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 238 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 239 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
ca79f232 | 240 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
241 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
242 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 243 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
609574eb | 244 | { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 245 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 246 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
033efa92 | 247 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 248 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
75c6aca4 | 249 | { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, |
0d0cef61 | 250 | { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, |
72f9f8b5 | 251 | { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, |
12d86896 | 252 | { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 253 | |
e9036e33 CYC |
254 | /* Atheros AR5BBU12 with sflash firmware */ |
255 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
256 | ||
85d59726 | 257 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 258 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 259 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 260 | |
3267c884 | 261 | /* QCA ROME chipset */ |
2054111b | 262 | { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME }, |
93519934 | 263 | { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME }, |
c9e44474 MH |
264 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME }, |
265 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME }, | |
47ca5898 | 266 | { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME }, |
1144a4ee | 267 | { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME }, |
3267c884 | 268 | |
cfeb4145 | 269 | /* Broadcom BCM2035 */ |
7a9d4020 | 270 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
271 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
272 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
273 | |
274 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
275 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
276 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 277 | |
cfeb4145 | 278 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
279 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
280 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
281 | |
282 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 283 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
284 | |
285 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 286 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 287 | |
5ddd4a60 | 288 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 289 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 290 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 291 | |
7a9d4020 MH |
292 | /* Belkin F8T012 and F8T013 devices */ |
293 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
294 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 295 | |
5ddd4a60 MH |
296 | /* Asus WL-BTD202 device */ |
297 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
298 | ||
299 | /* Kensington Bluetooth USB adapter */ | |
300 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
301 | ||
cfeb4145 MH |
302 | /* RTX Telecom based adapters with buggy SCO support */ |
303 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
304 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
305 | ||
306 | /* CONWISE Technology based adapters with buggy SCO support */ | |
418678b0 SJ |
307 | { USB_DEVICE(0x0e5e, 0x6622), |
308 | .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622}, | |
cfeb4145 | 309 | |
4fcef8ed | 310 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
2eeac871 | 311 | { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, |
4fcef8ed | 312 | |
cfeb4145 MH |
313 | /* Digianswer devices */ |
314 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
315 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
316 | ||
317 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
318 | { USB_DEVICE(0x0a12, 0x0002), |
319 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
320 | |
321 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
322 | { USB_DEVICE(0x16d3, 0x0002), |
323 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 324 | |
cb1ee89f MH |
325 | /* Marvell Bluetooth devices */ |
326 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
327 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
1165df0e | 328 | { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, |
cb1ee89f | 329 | |
d0ac9eb7 | 330 | /* Intel Bluetooth devices */ |
407550fe | 331 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, |
dffd30ee | 332 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
ef4e5e4a | 333 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
cda0dd78 | 334 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, |
439e65d3 | 335 | { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL }, |
dffd30ee | 336 | |
d0ac9eb7 MH |
337 | /* Other Intel Bluetooth devices */ |
338 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), | |
339 | .driver_info = BTUSB_IGNORE }, | |
ae8df494 | 340 | |
a2698a9b DD |
341 | /* Realtek Bluetooth devices */ |
342 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), | |
343 | .driver_info = BTUSB_REALTEK }, | |
344 | ||
345 | /* Additional Realtek 8723AE Bluetooth devices */ | |
346 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, | |
347 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, | |
348 | ||
349 | /* Additional Realtek 8723BE Bluetooth devices */ | |
350 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, | |
351 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, | |
352 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, | |
353 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, | |
354 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, | |
355 | ||
356 | /* Additional Realtek 8821AE Bluetooth devices */ | |
357 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, | |
358 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, | |
359 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, | |
360 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, | |
361 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, | |
362 | ||
4481c076 PP |
363 | /* Silicon Wave based devices */ |
364 | { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, | |
365 | ||
5e23b923 MH |
366 | { } /* Terminating entry */ |
367 | }; | |
368 | ||
9bfa35fe MH |
369 | #define BTUSB_MAX_ISOC_FRAMES 10 |
370 | ||
5e23b923 MH |
371 | #define BTUSB_INTR_RUNNING 0 |
372 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 373 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 374 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 375 | #define BTUSB_DID_ISO_RESUME 4 |
cda0dd78 MH |
376 | #define BTUSB_BOOTLOADER 5 |
377 | #define BTUSB_DOWNLOADING 6 | |
ce6bb929 | 378 | #define BTUSB_FIRMWARE_LOADED 7 |
cda0dd78 | 379 | #define BTUSB_FIRMWARE_FAILED 8 |
ce6bb929 | 380 | #define BTUSB_BOOTING 9 |
04b8c814 | 381 | #define BTUSB_RESET_RESUME 10 |
9d08f504 | 382 | #define BTUSB_DIAG_RUNNING 11 |
fd913ef7 | 383 | #define BTUSB_OOB_WAKE_ENABLED 12 |
5e23b923 MH |
384 | |
385 | struct btusb_data { | |
386 | struct hci_dev *hdev; | |
387 | struct usb_device *udev; | |
5fbcd260 | 388 | struct usb_interface *intf; |
9bfa35fe | 389 | struct usb_interface *isoc; |
9d08f504 | 390 | struct usb_interface *diag; |
5e23b923 | 391 | |
5e23b923 MH |
392 | unsigned long flags; |
393 | ||
394 | struct work_struct work; | |
7bee549e | 395 | struct work_struct waker; |
5e23b923 | 396 | |
803b5836 | 397 | struct usb_anchor deferred; |
5e23b923 | 398 | struct usb_anchor tx_anchor; |
803b5836 MH |
399 | int tx_in_flight; |
400 | spinlock_t txlock; | |
401 | ||
5e23b923 MH |
402 | struct usb_anchor intr_anchor; |
403 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 404 | struct usb_anchor isoc_anchor; |
9d08f504 | 405 | struct usb_anchor diag_anchor; |
803b5836 MH |
406 | spinlock_t rxlock; |
407 | ||
408 | struct sk_buff *evt_skb; | |
409 | struct sk_buff *acl_skb; | |
410 | struct sk_buff *sco_skb; | |
5e23b923 MH |
411 | |
412 | struct usb_endpoint_descriptor *intr_ep; | |
413 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
414 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
415 | struct usb_endpoint_descriptor *isoc_tx_ep; |
416 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
9d08f504 MH |
417 | struct usb_endpoint_descriptor *diag_tx_ep; |
418 | struct usb_endpoint_descriptor *diag_rx_ep; | |
9bfa35fe | 419 | |
7a9d4020 | 420 | __u8 cmdreq_type; |
893ba544 | 421 | __u8 cmdreq; |
7a9d4020 | 422 | |
43c2e57f | 423 | unsigned int sco_num; |
9bfa35fe | 424 | int isoc_altsetting; |
6a88adf2 | 425 | int suspend_count; |
2cbd3f5c | 426 | |
97307f51 | 427 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
2cbd3f5c | 428 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
ace31982 KBYT |
429 | |
430 | int (*setup_on_usb)(struct hci_dev *hdev); | |
fd913ef7 RJ |
431 | |
432 | int oob_wake_irq; /* irq for out-of-band wake-on-bt */ | |
5e23b923 MH |
433 | }; |
434 | ||
803b5836 MH |
435 | static inline void btusb_free_frags(struct btusb_data *data) |
436 | { | |
437 | unsigned long flags; | |
438 | ||
439 | spin_lock_irqsave(&data->rxlock, flags); | |
440 | ||
441 | kfree_skb(data->evt_skb); | |
442 | data->evt_skb = NULL; | |
443 | ||
444 | kfree_skb(data->acl_skb); | |
445 | data->acl_skb = NULL; | |
446 | ||
447 | kfree_skb(data->sco_skb); | |
448 | data->sco_skb = NULL; | |
449 | ||
450 | spin_unlock_irqrestore(&data->rxlock, flags); | |
451 | } | |
452 | ||
1ffa4ad0 MH |
453 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
454 | { | |
803b5836 MH |
455 | struct sk_buff *skb; |
456 | int err = 0; | |
457 | ||
458 | spin_lock(&data->rxlock); | |
459 | skb = data->evt_skb; | |
460 | ||
461 | while (count) { | |
462 | int len; | |
463 | ||
464 | if (!skb) { | |
465 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
466 | if (!skb) { | |
467 | err = -ENOMEM; | |
468 | break; | |
469 | } | |
470 | ||
618e8bc2 MH |
471 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
472 | hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; | |
803b5836 MH |
473 | } |
474 | ||
618e8bc2 | 475 | len = min_t(uint, hci_skb_expect(skb), count); |
803b5836 MH |
476 | memcpy(skb_put(skb, len), buffer, len); |
477 | ||
478 | count -= len; | |
479 | buffer += len; | |
618e8bc2 | 480 | hci_skb_expect(skb) -= len; |
803b5836 MH |
481 | |
482 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
483 | /* Complete event header */ | |
618e8bc2 | 484 | hci_skb_expect(skb) = hci_event_hdr(skb)->plen; |
803b5836 | 485 | |
618e8bc2 | 486 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
487 | kfree_skb(skb); |
488 | skb = NULL; | |
489 | ||
490 | err = -EILSEQ; | |
491 | break; | |
492 | } | |
493 | } | |
494 | ||
618e8bc2 | 495 | if (!hci_skb_expect(skb)) { |
803b5836 | 496 | /* Complete frame */ |
97307f51 | 497 | data->recv_event(data->hdev, skb); |
803b5836 MH |
498 | skb = NULL; |
499 | } | |
500 | } | |
501 | ||
502 | data->evt_skb = skb; | |
503 | spin_unlock(&data->rxlock); | |
504 | ||
505 | return err; | |
1ffa4ad0 MH |
506 | } |
507 | ||
508 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
509 | { | |
803b5836 MH |
510 | struct sk_buff *skb; |
511 | int err = 0; | |
512 | ||
513 | spin_lock(&data->rxlock); | |
514 | skb = data->acl_skb; | |
515 | ||
516 | while (count) { | |
517 | int len; | |
518 | ||
519 | if (!skb) { | |
520 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
521 | if (!skb) { | |
522 | err = -ENOMEM; | |
523 | break; | |
524 | } | |
525 | ||
618e8bc2 MH |
526 | hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; |
527 | hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; | |
803b5836 MH |
528 | } |
529 | ||
618e8bc2 | 530 | len = min_t(uint, hci_skb_expect(skb), count); |
803b5836 MH |
531 | memcpy(skb_put(skb, len), buffer, len); |
532 | ||
533 | count -= len; | |
534 | buffer += len; | |
618e8bc2 | 535 | hci_skb_expect(skb) -= len; |
803b5836 MH |
536 | |
537 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
538 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
539 | ||
540 | /* Complete ACL header */ | |
618e8bc2 | 541 | hci_skb_expect(skb) = __le16_to_cpu(dlen); |
803b5836 | 542 | |
618e8bc2 | 543 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
544 | kfree_skb(skb); |
545 | skb = NULL; | |
546 | ||
547 | err = -EILSEQ; | |
548 | break; | |
549 | } | |
550 | } | |
551 | ||
618e8bc2 | 552 | if (!hci_skb_expect(skb)) { |
803b5836 MH |
553 | /* Complete frame */ |
554 | hci_recv_frame(data->hdev, skb); | |
555 | skb = NULL; | |
556 | } | |
557 | } | |
558 | ||
559 | data->acl_skb = skb; | |
560 | spin_unlock(&data->rxlock); | |
561 | ||
562 | return err; | |
1ffa4ad0 MH |
563 | } |
564 | ||
565 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
566 | { | |
803b5836 MH |
567 | struct sk_buff *skb; |
568 | int err = 0; | |
569 | ||
570 | spin_lock(&data->rxlock); | |
571 | skb = data->sco_skb; | |
572 | ||
573 | while (count) { | |
574 | int len; | |
575 | ||
576 | if (!skb) { | |
577 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
578 | if (!skb) { | |
579 | err = -ENOMEM; | |
580 | break; | |
581 | } | |
582 | ||
618e8bc2 MH |
583 | hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; |
584 | hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; | |
803b5836 MH |
585 | } |
586 | ||
618e8bc2 | 587 | len = min_t(uint, hci_skb_expect(skb), count); |
803b5836 MH |
588 | memcpy(skb_put(skb, len), buffer, len); |
589 | ||
590 | count -= len; | |
591 | buffer += len; | |
618e8bc2 | 592 | hci_skb_expect(skb) -= len; |
803b5836 MH |
593 | |
594 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
595 | /* Complete SCO header */ | |
618e8bc2 | 596 | hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen; |
803b5836 | 597 | |
618e8bc2 | 598 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
599 | kfree_skb(skb); |
600 | skb = NULL; | |
601 | ||
602 | err = -EILSEQ; | |
603 | break; | |
604 | } | |
605 | } | |
606 | ||
618e8bc2 | 607 | if (!hci_skb_expect(skb)) { |
803b5836 MH |
608 | /* Complete frame */ |
609 | hci_recv_frame(data->hdev, skb); | |
610 | skb = NULL; | |
611 | } | |
612 | } | |
613 | ||
614 | data->sco_skb = skb; | |
615 | spin_unlock(&data->rxlock); | |
616 | ||
617 | return err; | |
1ffa4ad0 MH |
618 | } |
619 | ||
5e23b923 MH |
620 | static void btusb_intr_complete(struct urb *urb) |
621 | { | |
622 | struct hci_dev *hdev = urb->context; | |
155961e8 | 623 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
624 | int err; |
625 | ||
89e7533d MH |
626 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
627 | urb->actual_length); | |
5e23b923 MH |
628 | |
629 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
630 | return; | |
631 | ||
632 | if (urb->status == 0) { | |
9bfa35fe MH |
633 | hdev->stat.byte_rx += urb->actual_length; |
634 | ||
1ffa4ad0 MH |
635 | if (btusb_recv_intr(data, urb->transfer_buffer, |
636 | urb->actual_length) < 0) { | |
5e23b923 MH |
637 | BT_ERR("%s corrupted event packet", hdev->name); |
638 | hdev->stat.err_rx++; | |
639 | } | |
85560c4a CC |
640 | } else if (urb->status == -ENOENT) { |
641 | /* Avoid suspend failed when usb_kill_urb */ | |
642 | return; | |
5e23b923 MH |
643 | } |
644 | ||
645 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
646 | return; | |
647 | ||
7bee549e | 648 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
649 | usb_anchor_urb(urb, &data->intr_anchor); |
650 | ||
651 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
652 | if (err < 0) { | |
4935f1c1 PB |
653 | /* -EPERM: urb is being killed; |
654 | * -ENODEV: device got disconnected */ | |
655 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 656 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 657 | hdev->name, urb, -err); |
5e23b923 MH |
658 | usb_unanchor_urb(urb); |
659 | } | |
660 | } | |
661 | ||
2eda66f4 | 662 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 663 | { |
155961e8 | 664 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
665 | struct urb *urb; |
666 | unsigned char *buf; | |
667 | unsigned int pipe; | |
668 | int err, size; | |
669 | ||
670 | BT_DBG("%s", hdev->name); | |
671 | ||
9bfa35fe MH |
672 | if (!data->intr_ep) |
673 | return -ENODEV; | |
674 | ||
2eda66f4 | 675 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
676 | if (!urb) |
677 | return -ENOMEM; | |
678 | ||
679 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
680 | ||
2eda66f4 | 681 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
682 | if (!buf) { |
683 | usb_free_urb(urb); | |
684 | return -ENOMEM; | |
685 | } | |
686 | ||
687 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
688 | ||
689 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 690 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
691 | |
692 | urb->transfer_flags |= URB_FREE_BUFFER; | |
693 | ||
694 | usb_anchor_urb(urb, &data->intr_anchor); | |
695 | ||
2eda66f4 | 696 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 697 | if (err < 0) { |
d4b8d1c9 PB |
698 | if (err != -EPERM && err != -ENODEV) |
699 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 700 | hdev->name, urb, -err); |
5e23b923 | 701 | usb_unanchor_urb(urb); |
5e23b923 MH |
702 | } |
703 | ||
704 | usb_free_urb(urb); | |
705 | ||
706 | return err; | |
707 | } | |
708 | ||
709 | static void btusb_bulk_complete(struct urb *urb) | |
710 | { | |
711 | struct hci_dev *hdev = urb->context; | |
155961e8 | 712 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
713 | int err; |
714 | ||
89e7533d MH |
715 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
716 | urb->actual_length); | |
5e23b923 MH |
717 | |
718 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
719 | return; | |
720 | ||
721 | if (urb->status == 0) { | |
9bfa35fe MH |
722 | hdev->stat.byte_rx += urb->actual_length; |
723 | ||
2cbd3f5c | 724 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 725 | urb->actual_length) < 0) { |
5e23b923 MH |
726 | BT_ERR("%s corrupted ACL packet", hdev->name); |
727 | hdev->stat.err_rx++; | |
728 | } | |
85560c4a CC |
729 | } else if (urb->status == -ENOENT) { |
730 | /* Avoid suspend failed when usb_kill_urb */ | |
731 | return; | |
5e23b923 MH |
732 | } |
733 | ||
734 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
735 | return; | |
736 | ||
737 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 738 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
739 | |
740 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
741 | if (err < 0) { | |
4935f1c1 PB |
742 | /* -EPERM: urb is being killed; |
743 | * -ENODEV: device got disconnected */ | |
744 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 745 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 746 | hdev->name, urb, -err); |
5e23b923 MH |
747 | usb_unanchor_urb(urb); |
748 | } | |
749 | } | |
750 | ||
2eda66f4 | 751 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 752 | { |
155961e8 | 753 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
754 | struct urb *urb; |
755 | unsigned char *buf; | |
756 | unsigned int pipe; | |
290ba200 | 757 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
758 | |
759 | BT_DBG("%s", hdev->name); | |
760 | ||
9bfa35fe MH |
761 | if (!data->bulk_rx_ep) |
762 | return -ENODEV; | |
763 | ||
2eda66f4 | 764 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
765 | if (!urb) |
766 | return -ENOMEM; | |
767 | ||
2eda66f4 | 768 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
769 | if (!buf) { |
770 | usb_free_urb(urb); | |
771 | return -ENOMEM; | |
772 | } | |
773 | ||
774 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
775 | ||
89e7533d MH |
776 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
777 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
778 | |
779 | urb->transfer_flags |= URB_FREE_BUFFER; | |
780 | ||
7bee549e | 781 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
782 | usb_anchor_urb(urb, &data->bulk_anchor); |
783 | ||
2eda66f4 | 784 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 785 | if (err < 0) { |
d4b8d1c9 PB |
786 | if (err != -EPERM && err != -ENODEV) |
787 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 788 | hdev->name, urb, -err); |
5e23b923 | 789 | usb_unanchor_urb(urb); |
5e23b923 MH |
790 | } |
791 | ||
792 | usb_free_urb(urb); | |
793 | ||
794 | return err; | |
795 | } | |
796 | ||
9bfa35fe MH |
797 | static void btusb_isoc_complete(struct urb *urb) |
798 | { | |
799 | struct hci_dev *hdev = urb->context; | |
155961e8 | 800 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
801 | int i, err; |
802 | ||
89e7533d MH |
803 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
804 | urb->actual_length); | |
9bfa35fe MH |
805 | |
806 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
807 | return; | |
808 | ||
809 | if (urb->status == 0) { | |
810 | for (i = 0; i < urb->number_of_packets; i++) { | |
811 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
812 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
813 | ||
814 | if (urb->iso_frame_desc[i].status) | |
815 | continue; | |
816 | ||
817 | hdev->stat.byte_rx += length; | |
818 | ||
1ffa4ad0 MH |
819 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
820 | length) < 0) { | |
9bfa35fe MH |
821 | BT_ERR("%s corrupted SCO packet", hdev->name); |
822 | hdev->stat.err_rx++; | |
823 | } | |
824 | } | |
85560c4a CC |
825 | } else if (urb->status == -ENOENT) { |
826 | /* Avoid suspend failed when usb_kill_urb */ | |
827 | return; | |
9bfa35fe MH |
828 | } |
829 | ||
830 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
831 | return; | |
832 | ||
833 | usb_anchor_urb(urb, &data->isoc_anchor); | |
834 | ||
835 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
836 | if (err < 0) { | |
4935f1c1 PB |
837 | /* -EPERM: urb is being killed; |
838 | * -ENODEV: device got disconnected */ | |
839 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 840 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 841 | hdev->name, urb, -err); |
9bfa35fe MH |
842 | usb_unanchor_urb(urb); |
843 | } | |
844 | } | |
845 | ||
42b16b3f | 846 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
847 | { |
848 | int i, offset = 0; | |
849 | ||
850 | BT_DBG("len %d mtu %d", len, mtu); | |
851 | ||
852 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
853 | i++, offset += mtu, len -= mtu) { | |
854 | urb->iso_frame_desc[i].offset = offset; | |
855 | urb->iso_frame_desc[i].length = mtu; | |
856 | } | |
857 | ||
858 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
859 | urb->iso_frame_desc[i].offset = offset; | |
860 | urb->iso_frame_desc[i].length = len; | |
861 | i++; | |
862 | } | |
863 | ||
864 | urb->number_of_packets = i; | |
865 | } | |
866 | ||
2eda66f4 | 867 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 868 | { |
155961e8 | 869 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
870 | struct urb *urb; |
871 | unsigned char *buf; | |
872 | unsigned int pipe; | |
873 | int err, size; | |
874 | ||
875 | BT_DBG("%s", hdev->name); | |
876 | ||
877 | if (!data->isoc_rx_ep) | |
878 | return -ENODEV; | |
879 | ||
2eda66f4 | 880 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
881 | if (!urb) |
882 | return -ENOMEM; | |
883 | ||
884 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
885 | BTUSB_MAX_ISOC_FRAMES; | |
886 | ||
2eda66f4 | 887 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
888 | if (!buf) { |
889 | usb_free_urb(urb); | |
890 | return -ENOMEM; | |
891 | } | |
892 | ||
893 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
894 | ||
fa0fb93f | 895 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 896 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 897 | |
89e7533d | 898 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
899 | |
900 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 901 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
902 | |
903 | usb_anchor_urb(urb, &data->isoc_anchor); | |
904 | ||
2eda66f4 | 905 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 906 | if (err < 0) { |
d4b8d1c9 PB |
907 | if (err != -EPERM && err != -ENODEV) |
908 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 909 | hdev->name, urb, -err); |
9bfa35fe | 910 | usb_unanchor_urb(urb); |
9bfa35fe MH |
911 | } |
912 | ||
913 | usb_free_urb(urb); | |
914 | ||
915 | return err; | |
916 | } | |
917 | ||
9d08f504 MH |
918 | static void btusb_diag_complete(struct urb *urb) |
919 | { | |
920 | struct hci_dev *hdev = urb->context; | |
921 | struct btusb_data *data = hci_get_drvdata(hdev); | |
922 | int err; | |
923 | ||
924 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, | |
925 | urb->actual_length); | |
926 | ||
927 | if (urb->status == 0) { | |
928 | struct sk_buff *skb; | |
929 | ||
930 | skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC); | |
931 | if (skb) { | |
932 | memcpy(skb_put(skb, urb->actual_length), | |
933 | urb->transfer_buffer, urb->actual_length); | |
934 | hci_recv_diag(hdev, skb); | |
935 | } | |
936 | } else if (urb->status == -ENOENT) { | |
937 | /* Avoid suspend failed when usb_kill_urb */ | |
938 | return; | |
939 | } | |
940 | ||
941 | if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) | |
942 | return; | |
943 | ||
944 | usb_anchor_urb(urb, &data->diag_anchor); | |
945 | usb_mark_last_busy(data->udev); | |
946 | ||
947 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
948 | if (err < 0) { | |
949 | /* -EPERM: urb is being killed; | |
950 | * -ENODEV: device got disconnected */ | |
951 | if (err != -EPERM && err != -ENODEV) | |
952 | BT_ERR("%s urb %p failed to resubmit (%d)", | |
953 | hdev->name, urb, -err); | |
954 | usb_unanchor_urb(urb); | |
955 | } | |
956 | } | |
957 | ||
958 | static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) | |
959 | { | |
960 | struct btusb_data *data = hci_get_drvdata(hdev); | |
961 | struct urb *urb; | |
962 | unsigned char *buf; | |
963 | unsigned int pipe; | |
964 | int err, size = HCI_MAX_FRAME_SIZE; | |
965 | ||
966 | BT_DBG("%s", hdev->name); | |
967 | ||
968 | if (!data->diag_rx_ep) | |
969 | return -ENODEV; | |
970 | ||
971 | urb = usb_alloc_urb(0, mem_flags); | |
972 | if (!urb) | |
973 | return -ENOMEM; | |
974 | ||
975 | buf = kmalloc(size, mem_flags); | |
976 | if (!buf) { | |
977 | usb_free_urb(urb); | |
978 | return -ENOMEM; | |
979 | } | |
980 | ||
981 | pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); | |
982 | ||
983 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, | |
984 | btusb_diag_complete, hdev); | |
985 | ||
986 | urb->transfer_flags |= URB_FREE_BUFFER; | |
987 | ||
988 | usb_mark_last_busy(data->udev); | |
989 | usb_anchor_urb(urb, &data->diag_anchor); | |
990 | ||
991 | err = usb_submit_urb(urb, mem_flags); | |
992 | if (err < 0) { | |
993 | if (err != -EPERM && err != -ENODEV) | |
994 | BT_ERR("%s urb %p submission failed (%d)", | |
995 | hdev->name, urb, -err); | |
996 | usb_unanchor_urb(urb); | |
997 | } | |
998 | ||
999 | usb_free_urb(urb); | |
1000 | ||
1001 | return err; | |
1002 | } | |
1003 | ||
5e23b923 | 1004 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
1005 | { |
1006 | struct sk_buff *skb = urb->context; | |
89e7533d | 1007 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 1008 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 1009 | |
89e7533d MH |
1010 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
1011 | urb->actual_length); | |
7bee549e ON |
1012 | |
1013 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1014 | goto done; | |
1015 | ||
1016 | if (!urb->status) | |
1017 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1018 | else | |
1019 | hdev->stat.err_tx++; | |
1020 | ||
1021 | done: | |
1022 | spin_lock(&data->txlock); | |
1023 | data->tx_in_flight--; | |
1024 | spin_unlock(&data->txlock); | |
1025 | ||
1026 | kfree(urb->setup_packet); | |
1027 | ||
1028 | kfree_skb(skb); | |
1029 | } | |
1030 | ||
1031 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
1032 | { |
1033 | struct sk_buff *skb = urb->context; | |
89e7533d | 1034 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 1035 | |
89e7533d MH |
1036 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
1037 | urb->actual_length); | |
5e23b923 MH |
1038 | |
1039 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1040 | goto done; | |
1041 | ||
1042 | if (!urb->status) | |
1043 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1044 | else | |
1045 | hdev->stat.err_tx++; | |
1046 | ||
1047 | done: | |
1048 | kfree(urb->setup_packet); | |
1049 | ||
1050 | kfree_skb(skb); | |
1051 | } | |
1052 | ||
1053 | static int btusb_open(struct hci_dev *hdev) | |
1054 | { | |
155961e8 | 1055 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1056 | int err; |
1057 | ||
1058 | BT_DBG("%s", hdev->name); | |
1059 | ||
c7e163fe EH |
1060 | err = usb_autopm_get_interface(data->intf); |
1061 | if (err < 0) | |
1062 | return err; | |
1063 | ||
ace31982 KBYT |
1064 | /* Patching USB firmware files prior to starting any URBs of HCI path |
1065 | * It is more safe to use USB bulk channel for downloading USB patch | |
1066 | */ | |
1067 | if (data->setup_on_usb) { | |
1068 | err = data->setup_on_usb(hdev); | |
eb50042f | 1069 | if (err < 0) |
ace31982 KBYT |
1070 | return err; |
1071 | } | |
1072 | ||
7bee549e ON |
1073 | data->intf->needs_remote_wakeup = 1; |
1074 | ||
5e23b923 | 1075 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
7bee549e | 1076 | goto done; |
5e23b923 | 1077 | |
2eda66f4 | 1078 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
1079 | if (err < 0) |
1080 | goto failed; | |
1081 | ||
1082 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 1083 | if (err < 0) { |
43c2e57f MH |
1084 | usb_kill_anchored_urbs(&data->intr_anchor); |
1085 | goto failed; | |
5e23b923 MH |
1086 | } |
1087 | ||
43c2e57f MH |
1088 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
1089 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
1090 | ||
9d08f504 MH |
1091 | if (data->diag) { |
1092 | if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) | |
1093 | set_bit(BTUSB_DIAG_RUNNING, &data->flags); | |
1094 | } | |
1095 | ||
7bee549e ON |
1096 | done: |
1097 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
1098 | return 0; |
1099 | ||
1100 | failed: | |
1101 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1102 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
1103 | return err; |
1104 | } | |
1105 | ||
7bee549e ON |
1106 | static void btusb_stop_traffic(struct btusb_data *data) |
1107 | { | |
1108 | usb_kill_anchored_urbs(&data->intr_anchor); | |
1109 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
1110 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
9d08f504 | 1111 | usb_kill_anchored_urbs(&data->diag_anchor); |
7bee549e ON |
1112 | } |
1113 | ||
5e23b923 MH |
1114 | static int btusb_close(struct hci_dev *hdev) |
1115 | { | |
155961e8 | 1116 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 1117 | int err; |
5e23b923 MH |
1118 | |
1119 | BT_DBG("%s", hdev->name); | |
1120 | ||
e8c3c3d2 | 1121 | cancel_work_sync(&data->work); |
404291ac | 1122 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 1123 | |
9bfa35fe | 1124 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 1125 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 1126 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
9d08f504 | 1127 | clear_bit(BTUSB_DIAG_RUNNING, &data->flags); |
7bee549e ON |
1128 | |
1129 | btusb_stop_traffic(data); | |
803b5836 MH |
1130 | btusb_free_frags(data); |
1131 | ||
7bee549e ON |
1132 | err = usb_autopm_get_interface(data->intf); |
1133 | if (err < 0) | |
7b8e2c1d | 1134 | goto failed; |
7bee549e ON |
1135 | |
1136 | data->intf->needs_remote_wakeup = 0; | |
1137 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 1138 | |
7b8e2c1d ON |
1139 | failed: |
1140 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
1141 | return 0; |
1142 | } | |
1143 | ||
1144 | static int btusb_flush(struct hci_dev *hdev) | |
1145 | { | |
155961e8 | 1146 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1147 | |
1148 | BT_DBG("%s", hdev->name); | |
1149 | ||
1150 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 1151 | btusb_free_frags(data); |
5e23b923 MH |
1152 | |
1153 | return 0; | |
1154 | } | |
1155 | ||
047b2ec8 | 1156 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 1157 | { |
155961e8 | 1158 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1159 | struct usb_ctrlrequest *dr; |
1160 | struct urb *urb; | |
1161 | unsigned int pipe; | |
5e23b923 | 1162 | |
047b2ec8 MH |
1163 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1164 | if (!urb) | |
1165 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1166 | |
047b2ec8 MH |
1167 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
1168 | if (!dr) { | |
1169 | usb_free_urb(urb); | |
1170 | return ERR_PTR(-ENOMEM); | |
1171 | } | |
5e23b923 | 1172 | |
047b2ec8 | 1173 | dr->bRequestType = data->cmdreq_type; |
893ba544 | 1174 | dr->bRequest = data->cmdreq; |
047b2ec8 MH |
1175 | dr->wIndex = 0; |
1176 | dr->wValue = 0; | |
1177 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 1178 | |
047b2ec8 | 1179 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 1180 | |
89e7533d | 1181 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 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 | } | |
5e23b923 | 1188 | |
047b2ec8 MH |
1189 | static struct urb *alloc_bulk_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; | |
5e23b923 | 1194 | |
047b2ec8 MH |
1195 | if (!data->bulk_tx_ep) |
1196 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1197 | |
047b2ec8 MH |
1198 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1199 | if (!urb) | |
1200 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1201 | |
047b2ec8 | 1202 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 1203 | |
047b2ec8 MH |
1204 | usb_fill_bulk_urb(urb, data->udev, pipe, |
1205 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 1206 | |
89e7533d | 1207 | skb->dev = (void *)hdev; |
5e23b923 | 1208 | |
047b2ec8 MH |
1209 | return urb; |
1210 | } | |
9bfa35fe | 1211 | |
047b2ec8 MH |
1212 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1213 | { | |
1214 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1215 | struct urb *urb; | |
1216 | unsigned int pipe; | |
9bfa35fe | 1217 | |
047b2ec8 MH |
1218 | if (!data->isoc_tx_ep) |
1219 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1220 | |
047b2ec8 MH |
1221 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1222 | if (!urb) | |
1223 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1224 | |
047b2ec8 | 1225 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1226 | |
047b2ec8 MH |
1227 | usb_fill_int_urb(urb, data->udev, pipe, |
1228 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1229 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1230 | |
047b2ec8 | 1231 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1232 | |
047b2ec8 MH |
1233 | __fill_isoc_descriptor(urb, skb->len, |
1234 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1235 | |
89e7533d | 1236 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1237 | |
1238 | return urb; | |
1239 | } | |
1240 | ||
1241 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1242 | { | |
1243 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1244 | int err; | |
7bee549e | 1245 | |
5e23b923 MH |
1246 | usb_anchor_urb(urb, &data->tx_anchor); |
1247 | ||
e9753eff | 1248 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1249 | if (err < 0) { |
5a9b80e2 PB |
1250 | if (err != -EPERM && err != -ENODEV) |
1251 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 1252 | hdev->name, urb, -err); |
5e23b923 MH |
1253 | kfree(urb->setup_packet); |
1254 | usb_unanchor_urb(urb); | |
7bee549e ON |
1255 | } else { |
1256 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1257 | } |
1258 | ||
54a8a79c | 1259 | usb_free_urb(urb); |
5e23b923 MH |
1260 | return err; |
1261 | } | |
1262 | ||
047b2ec8 MH |
1263 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1264 | { | |
1265 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1266 | unsigned long flags; | |
1267 | bool suspending; | |
1268 | ||
1269 | spin_lock_irqsave(&data->txlock, flags); | |
1270 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1271 | if (!suspending) | |
1272 | data->tx_in_flight++; | |
1273 | spin_unlock_irqrestore(&data->txlock, flags); | |
1274 | ||
1275 | if (!suspending) | |
1276 | return submit_tx_urb(hdev, urb); | |
1277 | ||
1278 | usb_anchor_urb(urb, &data->deferred); | |
1279 | schedule_work(&data->waker); | |
1280 | ||
1281 | usb_free_urb(urb); | |
1282 | return 0; | |
1283 | } | |
1284 | ||
1285 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1286 | { | |
1287 | struct urb *urb; | |
1288 | ||
1289 | BT_DBG("%s", hdev->name); | |
1290 | ||
618e8bc2 | 1291 | switch (hci_skb_pkt_type(skb)) { |
047b2ec8 MH |
1292 | case HCI_COMMAND_PKT: |
1293 | urb = alloc_ctrl_urb(hdev, skb); | |
1294 | if (IS_ERR(urb)) | |
1295 | return PTR_ERR(urb); | |
1296 | ||
1297 | hdev->stat.cmd_tx++; | |
1298 | return submit_or_queue_tx_urb(hdev, urb); | |
1299 | ||
1300 | case HCI_ACLDATA_PKT: | |
1301 | urb = alloc_bulk_urb(hdev, skb); | |
1302 | if (IS_ERR(urb)) | |
1303 | return PTR_ERR(urb); | |
1304 | ||
1305 | hdev->stat.acl_tx++; | |
1306 | return submit_or_queue_tx_urb(hdev, urb); | |
1307 | ||
1308 | case HCI_SCODATA_PKT: | |
1309 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1310 | return -ENODEV; | |
1311 | ||
1312 | urb = alloc_isoc_urb(hdev, skb); | |
1313 | if (IS_ERR(urb)) | |
1314 | return PTR_ERR(urb); | |
1315 | ||
1316 | hdev->stat.sco_tx++; | |
1317 | return submit_tx_urb(hdev, urb); | |
1318 | } | |
1319 | ||
1320 | return -EILSEQ; | |
1321 | } | |
1322 | ||
5e23b923 MH |
1323 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1324 | { | |
155961e8 | 1325 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1326 | |
1327 | BT_DBG("%s evt %d", hdev->name, evt); | |
1328 | ||
014f7bc7 MH |
1329 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1330 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1331 | schedule_work(&data->work); |
a780efa8 | 1332 | } |
5e23b923 MH |
1333 | } |
1334 | ||
42b16b3f | 1335 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1336 | { |
155961e8 | 1337 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1338 | struct usb_interface *intf = data->isoc; |
1339 | struct usb_endpoint_descriptor *ep_desc; | |
1340 | int i, err; | |
1341 | ||
1342 | if (!data->isoc) | |
1343 | return -ENODEV; | |
1344 | ||
1345 | err = usb_set_interface(data->udev, 1, altsetting); | |
1346 | if (err < 0) { | |
1347 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
1348 | return err; | |
1349 | } | |
1350 | ||
1351 | data->isoc_altsetting = altsetting; | |
1352 | ||
1353 | data->isoc_tx_ep = NULL; | |
1354 | data->isoc_rx_ep = NULL; | |
1355 | ||
1356 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1357 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1358 | ||
1359 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1360 | data->isoc_tx_ep = ep_desc; | |
1361 | continue; | |
1362 | } | |
1363 | ||
1364 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1365 | data->isoc_rx_ep = ep_desc; | |
1366 | continue; | |
1367 | } | |
1368 | } | |
1369 | ||
1370 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
1371 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
1372 | return -ENODEV; | |
1373 | } | |
1374 | ||
1375 | return 0; | |
1376 | } | |
1377 | ||
5e23b923 MH |
1378 | static void btusb_work(struct work_struct *work) |
1379 | { | |
1380 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1381 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1382 | int new_alts; |
7bee549e | 1383 | int err; |
5e23b923 | 1384 | |
014f7bc7 | 1385 | if (data->sco_num > 0) { |
08b8b6c4 | 1386 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1387 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1388 | if (err < 0) { |
1389 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1390 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1391 | return; | |
1392 | } | |
1393 | ||
08b8b6c4 | 1394 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1395 | } |
f4001d28 MA |
1396 | |
1397 | if (hdev->voice_setting & 0x0020) { | |
1398 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1399 | |
014f7bc7 | 1400 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1401 | } else { |
014f7bc7 | 1402 | new_alts = data->sco_num; |
f4001d28 MA |
1403 | } |
1404 | ||
1405 | if (data->isoc_altsetting != new_alts) { | |
f6fc86f2 KP |
1406 | unsigned long flags; |
1407 | ||
9bfa35fe MH |
1408 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1409 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1410 | ||
8f9d02f4 KP |
1411 | /* When isochronous alternate setting needs to be |
1412 | * changed, because SCO connection has been added | |
1413 | * or removed, a packet fragment may be left in the | |
1414 | * reassembling state. This could lead to wrongly | |
1415 | * assembled fragments. | |
1416 | * | |
1417 | * Clear outstanding fragment when selecting a new | |
1418 | * alternate setting. | |
1419 | */ | |
f6fc86f2 | 1420 | spin_lock_irqsave(&data->rxlock, flags); |
8f9d02f4 KP |
1421 | kfree_skb(data->sco_skb); |
1422 | data->sco_skb = NULL; | |
f6fc86f2 | 1423 | spin_unlock_irqrestore(&data->rxlock, flags); |
8f9d02f4 | 1424 | |
f4001d28 | 1425 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1426 | return; |
1427 | } | |
1428 | ||
1429 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1430 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1431 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1432 | else | |
2eda66f4 | 1433 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1434 | } |
1435 | } else { | |
1436 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1437 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1438 | ||
1439 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1440 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1441 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1442 | } |
1443 | } | |
1444 | ||
7bee549e ON |
1445 | static void btusb_waker(struct work_struct *work) |
1446 | { | |
1447 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1448 | int err; | |
1449 | ||
1450 | err = usb_autopm_get_interface(data->intf); | |
1451 | if (err < 0) | |
1452 | return; | |
1453 | ||
1454 | usb_autopm_put_interface(data->intf); | |
1455 | } | |
1456 | ||
9f8f962c MH |
1457 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1458 | { | |
1459 | struct sk_buff *skb; | |
1460 | u8 val = 0x00; | |
1461 | ||
1462 | BT_DBG("%s", hdev->name); | |
1463 | ||
1464 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1465 | if (IS_ERR(skb)) | |
1466 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
1467 | else | |
1468 | kfree_skb(skb); | |
1469 | ||
1470 | return 0; | |
1471 | } | |
1472 | ||
81cac64b MH |
1473 | static int btusb_setup_csr(struct hci_dev *hdev) |
1474 | { | |
1475 | struct hci_rp_read_local_version *rp; | |
1476 | struct sk_buff *skb; | |
81cac64b MH |
1477 | |
1478 | BT_DBG("%s", hdev->name); | |
1479 | ||
7cd84d72 MH |
1480 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
1481 | HCI_INIT_TIMEOUT); | |
1482 | if (IS_ERR(skb)) { | |
1483 | int err = PTR_ERR(skb); | |
1484 | BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err); | |
1485 | return err; | |
1486 | } | |
1487 | ||
1488 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { | |
1489 | BT_ERR("%s: CSR: Local version length mismatch", hdev->name); | |
1490 | kfree_skb(skb); | |
1491 | return -EIO; | |
1492 | } | |
81cac64b | 1493 | |
89e7533d | 1494 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b | 1495 | |
6cafcd95 JH |
1496 | /* Detect controllers which aren't real CSR ones. */ |
1497 | if (le16_to_cpu(rp->manufacturer) != 10 || | |
1498 | le16_to_cpu(rp->lmp_subver) == 0x0c5c) { | |
9641d343 MH |
1499 | /* Clear the reset quirk since this is not an actual |
1500 | * early Bluetooth 1.1 device from CSR. | |
1501 | */ | |
1502 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
81cac64b | 1503 | |
9641d343 MH |
1504 | /* These fake CSR controllers have all a broken |
1505 | * stored link key handling and so just disable it. | |
1506 | */ | |
1507 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
1508 | } | |
81cac64b MH |
1509 | |
1510 | kfree_skb(skb); | |
1511 | ||
9641d343 | 1512 | return 0; |
81cac64b MH |
1513 | } |
1514 | ||
dffd30ee | 1515 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
89e7533d | 1516 | struct intel_version *ver) |
dffd30ee THJA |
1517 | { |
1518 | const struct firmware *fw; | |
1519 | char fwname[64]; | |
1520 | int ret; | |
1521 | ||
1522 | snprintf(fwname, sizeof(fwname), | |
1523 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1524 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1525 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1526 | ver->fw_build_ww, ver->fw_build_yy); | |
1527 | ||
1528 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1529 | if (ret < 0) { | |
1530 | if (ret == -EINVAL) { | |
1531 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1532 | hdev->name, ret); | |
1533 | return NULL; | |
1534 | } | |
1535 | ||
1536 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1537 | hdev->name, fwname, ret); | |
1538 | ||
1539 | /* If the correct firmware patch file is not found, use the | |
1540 | * default firmware patch file instead | |
1541 | */ | |
1542 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1543 | ver->hw_platform, ver->hw_variant); | |
1544 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1545 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1546 | hdev->name, fwname); | |
1547 | return NULL; | |
1548 | } | |
1549 | } | |
1550 | ||
1551 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1552 | ||
1553 | return fw; | |
1554 | } | |
1555 | ||
1556 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1557 | const struct firmware *fw, | |
1558 | const u8 **fw_ptr, int *disable_patch) | |
1559 | { | |
1560 | struct sk_buff *skb; | |
1561 | struct hci_command_hdr *cmd; | |
1562 | const u8 *cmd_param; | |
1563 | struct hci_event_hdr *evt = NULL; | |
1564 | const u8 *evt_param = NULL; | |
1565 | int remain = fw->size - (*fw_ptr - fw->data); | |
1566 | ||
1567 | /* The first byte indicates the types of the patch command or event. | |
1568 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1569 | * in the current firmware buffer doesn't start with 0x01 or | |
1570 | * the size of remain buffer is smaller than HCI command header, | |
1571 | * the firmware file is corrupted and it should stop the patching | |
1572 | * process. | |
1573 | */ | |
1574 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1575 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1576 | return -EINVAL; | |
1577 | } | |
1578 | (*fw_ptr)++; | |
1579 | remain--; | |
1580 | ||
1581 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1582 | *fw_ptr += sizeof(*cmd); | |
1583 | remain -= sizeof(*cmd); | |
1584 | ||
1585 | /* Ensure that the remain firmware data is long enough than the length | |
1586 | * of command parameter. If not, the firmware file is corrupted. | |
1587 | */ | |
1588 | if (remain < cmd->plen) { | |
1589 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1590 | return -EFAULT; | |
1591 | } | |
1592 | ||
1593 | /* If there is a command that loads a patch in the firmware | |
1594 | * file, then enable the patch upon success, otherwise just | |
1595 | * disable the manufacturer mode, for example patch activation | |
1596 | * is not required when the default firmware patch file is used | |
1597 | * because there are no patch data to load. | |
1598 | */ | |
1599 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1600 | *disable_patch = 0; | |
1601 | ||
1602 | cmd_param = *fw_ptr; | |
1603 | *fw_ptr += cmd->plen; | |
1604 | remain -= cmd->plen; | |
1605 | ||
1606 | /* This reads the expected events when the above command is sent to the | |
1607 | * device. Some vendor commands expects more than one events, for | |
1608 | * example command status event followed by vendor specific event. | |
1609 | * For this case, it only keeps the last expected event. so the command | |
1610 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1611 | * last expected event. | |
1612 | */ | |
1613 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1614 | (*fw_ptr)++; | |
1615 | remain--; | |
1616 | ||
1617 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1618 | *fw_ptr += sizeof(*evt); | |
1619 | remain -= sizeof(*evt); | |
1620 | ||
1621 | if (remain < evt->plen) { | |
1622 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1623 | hdev->name); | |
1624 | return -EFAULT; | |
1625 | } | |
1626 | ||
1627 | evt_param = *fw_ptr; | |
1628 | *fw_ptr += evt->plen; | |
1629 | remain -= evt->plen; | |
1630 | } | |
1631 | ||
1632 | /* Every HCI commands in the firmware file has its correspond event. | |
1633 | * If event is not found or remain is smaller than zero, the firmware | |
1634 | * file is corrupted. | |
1635 | */ | |
1636 | if (!evt || !evt_param || remain < 0) { | |
1637 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1638 | return -EFAULT; | |
1639 | } | |
1640 | ||
1641 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1642 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1643 | if (IS_ERR(skb)) { | |
1644 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1645 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1646 | return PTR_ERR(skb); |
dffd30ee THJA |
1647 | } |
1648 | ||
1649 | /* It ensures that the returned event matches the event data read from | |
1650 | * the firmware file. At fist, it checks the length and then | |
1651 | * the contents of the event. | |
1652 | */ | |
1653 | if (skb->len != evt->plen) { | |
1654 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1655 | le16_to_cpu(cmd->opcode)); | |
1656 | kfree_skb(skb); | |
1657 | return -EFAULT; | |
1658 | } | |
1659 | ||
1660 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1661 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1662 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1663 | kfree_skb(skb); | |
1664 | return -EFAULT; | |
1665 | } | |
1666 | kfree_skb(skb); | |
1667 | ||
1668 | return 0; | |
1669 | } | |
1670 | ||
1671 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1672 | { | |
1673 | struct sk_buff *skb; | |
1674 | const struct firmware *fw; | |
1675 | const u8 *fw_ptr; | |
28dc4b92 | 1676 | int disable_patch, err; |
6c483de1 | 1677 | struct intel_version ver; |
dffd30ee | 1678 | |
dffd30ee THJA |
1679 | BT_DBG("%s", hdev->name); |
1680 | ||
1681 | /* The controller has a bug with the first HCI command sent to it | |
1682 | * returning number of completed commands as zero. This would stall the | |
1683 | * command processing in the Bluetooth core. | |
1684 | * | |
1685 | * As a workaround, send HCI Reset command first which will reset the | |
1686 | * number of completed commands and allow normal command processing | |
1687 | * from now on. | |
1688 | */ | |
1689 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1690 | if (IS_ERR(skb)) { | |
1691 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1692 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1693 | return PTR_ERR(skb); |
dffd30ee THJA |
1694 | } |
1695 | kfree_skb(skb); | |
1696 | ||
1697 | /* Read Intel specific controller version first to allow selection of | |
1698 | * which firmware file to load. | |
1699 | * | |
1700 | * The returned information are hardware variant and revision plus | |
1701 | * firmware variant, revision and build number. | |
1702 | */ | |
6c483de1 LP |
1703 | err = btintel_read_version(hdev, &ver); |
1704 | if (err) | |
1705 | return err; | |
dffd30ee THJA |
1706 | |
1707 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
6c483de1 LP |
1708 | hdev->name, ver.hw_platform, ver.hw_variant, ver.hw_revision, |
1709 | ver.fw_variant, ver.fw_revision, ver.fw_build_num, | |
1710 | ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num); | |
dffd30ee THJA |
1711 | |
1712 | /* fw_patch_num indicates the version of patch the device currently | |
1713 | * have. If there is no patch data in the device, it is always 0x00. | |
5075edae | 1714 | * So, if it is other than 0x00, no need to patch the device again. |
dffd30ee | 1715 | */ |
6c483de1 | 1716 | if (ver.fw_patch_num) { |
dffd30ee | 1717 | BT_INFO("%s: Intel device is already patched. patch num: %02x", |
6c483de1 | 1718 | hdev->name, ver.fw_patch_num); |
213445b2 | 1719 | goto complete; |
dffd30ee THJA |
1720 | } |
1721 | ||
1722 | /* Opens the firmware patch file based on the firmware version read | |
1723 | * from the controller. If it fails to open the matching firmware | |
1724 | * patch file, it tries to open the default firmware patch file. | |
1725 | * If no patch file is found, allow the device to operate without | |
1726 | * a patch. | |
1727 | */ | |
6c483de1 LP |
1728 | fw = btusb_setup_intel_get_fw(hdev, &ver); |
1729 | if (!fw) | |
213445b2 | 1730 | goto complete; |
dffd30ee THJA |
1731 | fw_ptr = fw->data; |
1732 | ||
28dc4b92 | 1733 | /* Enable the manufacturer mode of the controller. |
dffd30ee THJA |
1734 | * Only while this mode is enabled, the driver can download the |
1735 | * firmware patch data and configuration parameters. | |
1736 | */ | |
28dc4b92 LP |
1737 | err = btintel_enter_mfg(hdev); |
1738 | if (err) { | |
dffd30ee | 1739 | release_firmware(fw); |
28dc4b92 | 1740 | return err; |
dffd30ee THJA |
1741 | } |
1742 | ||
dffd30ee THJA |
1743 | disable_patch = 1; |
1744 | ||
1745 | /* The firmware data file consists of list of Intel specific HCI | |
1746 | * commands and its expected events. The first byte indicates the | |
1747 | * type of the message, either HCI command or HCI event. | |
1748 | * | |
1749 | * It reads the command and its expected event from the firmware file, | |
1750 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1751 | * the returned event is compared with the event read from the firmware | |
1752 | * file and it will continue until all the messages are downloaded to | |
1753 | * the controller. | |
1754 | * | |
1755 | * Once the firmware patching is completed successfully, | |
1756 | * the manufacturer mode is disabled with reset and activating the | |
1757 | * downloaded patch. | |
1758 | * | |
1759 | * If the firmware patching fails, the manufacturer mode is | |
1760 | * disabled with reset and deactivating the patch. | |
1761 | * | |
1762 | * If the default patch file is used, no reset is done when disabling | |
1763 | * the manufacturer. | |
1764 | */ | |
1765 | while (fw->size > fw_ptr - fw->data) { | |
1766 | int ret; | |
1767 | ||
1768 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1769 | &disable_patch); | |
1770 | if (ret < 0) | |
1771 | goto exit_mfg_deactivate; | |
1772 | } | |
1773 | ||
1774 | release_firmware(fw); | |
1775 | ||
1776 | if (disable_patch) | |
1777 | goto exit_mfg_disable; | |
1778 | ||
1779 | /* Patching completed successfully and disable the manufacturer mode | |
1780 | * with reset and activate the downloaded firmware patches. | |
1781 | */ | |
28dc4b92 LP |
1782 | err = btintel_exit_mfg(hdev, true, true); |
1783 | if (err) | |
1784 | return err; | |
dffd30ee THJA |
1785 | |
1786 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1787 | hdev->name); | |
1788 | ||
213445b2 | 1789 | goto complete; |
dffd30ee THJA |
1790 | |
1791 | exit_mfg_disable: | |
1792 | /* Disable the manufacturer mode without reset */ | |
28dc4b92 LP |
1793 | err = btintel_exit_mfg(hdev, false, false); |
1794 | if (err) | |
1795 | return err; | |
dffd30ee THJA |
1796 | |
1797 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 | 1798 | |
213445b2 | 1799 | goto complete; |
dffd30ee THJA |
1800 | |
1801 | exit_mfg_deactivate: | |
1802 | release_firmware(fw); | |
1803 | ||
1804 | /* Patching failed. Disable the manufacturer mode with reset and | |
1805 | * deactivate the downloaded firmware patches. | |
1806 | */ | |
28dc4b92 LP |
1807 | err = btintel_exit_mfg(hdev, true, false); |
1808 | if (err) | |
1809 | return err; | |
dffd30ee THJA |
1810 | |
1811 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1812 | hdev->name); | |
1813 | ||
213445b2 MH |
1814 | complete: |
1815 | /* Set the event mask for Intel specific vendor events. This enables | |
1816 | * a few extra events that are useful during general operation. | |
1817 | */ | |
1818 | btintel_set_event_mask_mfg(hdev, false); | |
1819 | ||
4185a0f5 | 1820 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1821 | return 0; |
1822 | } | |
1823 | ||
cda0dd78 MH |
1824 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
1825 | { | |
1826 | struct sk_buff *skb; | |
1827 | struct hci_event_hdr *hdr; | |
1828 | struct hci_ev_cmd_complete *evt; | |
1829 | ||
1830 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC); | |
1831 | if (!skb) | |
1832 | return -ENOMEM; | |
1833 | ||
1834 | hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr)); | |
1835 | hdr->evt = HCI_EV_CMD_COMPLETE; | |
1836 | hdr->plen = sizeof(*evt) + 1; | |
1837 | ||
1838 | evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt)); | |
1839 | evt->ncmd = 0x01; | |
1840 | evt->opcode = cpu_to_le16(opcode); | |
1841 | ||
1842 | *skb_put(skb, 1) = 0x00; | |
1843 | ||
618e8bc2 | 1844 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
cda0dd78 MH |
1845 | |
1846 | return hci_recv_frame(hdev, skb); | |
1847 | } | |
1848 | ||
1849 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
1850 | int count) | |
1851 | { | |
1852 | /* When the device is in bootloader mode, then it can send | |
1853 | * events via the bulk endpoint. These events are treated the | |
1854 | * same way as the ones received from the interrupt endpoint. | |
1855 | */ | |
1856 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) | |
1857 | return btusb_recv_intr(data, buffer, count); | |
1858 | ||
1859 | return btusb_recv_bulk(data, buffer, count); | |
1860 | } | |
1861 | ||
ccd6da2a MH |
1862 | static void btusb_intel_bootup(struct btusb_data *data, const void *ptr, |
1863 | unsigned int len) | |
1864 | { | |
1865 | const struct intel_bootup *evt = ptr; | |
1866 | ||
1867 | if (len != sizeof(*evt)) | |
1868 | return; | |
1869 | ||
1870 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) { | |
1871 | smp_mb__after_atomic(); | |
1872 | wake_up_bit(&data->flags, BTUSB_BOOTING); | |
1873 | } | |
1874 | } | |
1875 | ||
1876 | static void btusb_intel_secure_send_result(struct btusb_data *data, | |
1877 | const void *ptr, unsigned int len) | |
1878 | { | |
1879 | const struct intel_secure_send_result *evt = ptr; | |
1880 | ||
1881 | if (len != sizeof(*evt)) | |
1882 | return; | |
1883 | ||
1884 | if (evt->result) | |
1885 | set_bit(BTUSB_FIRMWARE_FAILED, &data->flags); | |
1886 | ||
1887 | if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) && | |
1888 | test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) { | |
1889 | smp_mb__after_atomic(); | |
1890 | wake_up_bit(&data->flags, BTUSB_DOWNLOADING); | |
1891 | } | |
1892 | } | |
1893 | ||
cda0dd78 MH |
1894 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) |
1895 | { | |
1896 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1897 | ||
1898 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1899 | struct hci_event_hdr *hdr = (void *)skb->data; | |
1900 | ||
ccd6da2a MH |
1901 | if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff && |
1902 | hdr->plen > 0) { | |
1903 | const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1; | |
1904 | unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1; | |
1905 | ||
1906 | switch (skb->data[2]) { | |
1907 | case 0x02: | |
1908 | /* When switching to the operational firmware | |
1909 | * the device sends a vendor specific event | |
1910 | * indicating that the bootup completed. | |
1911 | */ | |
1912 | btusb_intel_bootup(data, ptr, len); | |
1913 | break; | |
1914 | case 0x06: | |
1915 | /* When the firmware loading completes the | |
1916 | * device sends out a vendor specific event | |
1917 | * indicating the result of the firmware | |
1918 | * loading. | |
1919 | */ | |
1920 | btusb_intel_secure_send_result(data, ptr, len); | |
1921 | break; | |
fad70972 | 1922 | } |
cda0dd78 MH |
1923 | } |
1924 | } | |
1925 | ||
1926 | return hci_recv_frame(hdev, skb); | |
1927 | } | |
1928 | ||
1929 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1930 | { | |
1931 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1932 | struct urb *urb; | |
1933 | ||
1934 | BT_DBG("%s", hdev->name); | |
1935 | ||
618e8bc2 | 1936 | switch (hci_skb_pkt_type(skb)) { |
cda0dd78 MH |
1937 | case HCI_COMMAND_PKT: |
1938 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1939 | struct hci_command_hdr *cmd = (void *)skb->data; | |
1940 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
1941 | ||
1942 | /* When in bootloader mode and the command 0xfc09 | |
1943 | * is received, it needs to be send down the | |
1944 | * bulk endpoint. So allocate a bulk URB instead. | |
1945 | */ | |
1946 | if (opcode == 0xfc09) | |
1947 | urb = alloc_bulk_urb(hdev, skb); | |
1948 | else | |
1949 | urb = alloc_ctrl_urb(hdev, skb); | |
1950 | ||
1951 | /* When the 0xfc01 command is issued to boot into | |
1952 | * the operational firmware, it will actually not | |
1953 | * send a command complete event. To keep the flow | |
1954 | * control working inject that event here. | |
1955 | */ | |
1956 | if (opcode == 0xfc01) | |
1957 | inject_cmd_complete(hdev, opcode); | |
1958 | } else { | |
1959 | urb = alloc_ctrl_urb(hdev, skb); | |
1960 | } | |
1961 | if (IS_ERR(urb)) | |
1962 | return PTR_ERR(urb); | |
1963 | ||
1964 | hdev->stat.cmd_tx++; | |
1965 | return submit_or_queue_tx_urb(hdev, urb); | |
1966 | ||
1967 | case HCI_ACLDATA_PKT: | |
1968 | urb = alloc_bulk_urb(hdev, skb); | |
1969 | if (IS_ERR(urb)) | |
1970 | return PTR_ERR(urb); | |
1971 | ||
1972 | hdev->stat.acl_tx++; | |
1973 | return submit_or_queue_tx_urb(hdev, urb); | |
1974 | ||
1975 | case HCI_SCODATA_PKT: | |
1976 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1977 | return -ENODEV; | |
1978 | ||
1979 | urb = alloc_isoc_urb(hdev, skb); | |
1980 | if (IS_ERR(urb)) | |
1981 | return PTR_ERR(urb); | |
1982 | ||
1983 | hdev->stat.sco_tx++; | |
1984 | return submit_tx_urb(hdev, urb); | |
1985 | } | |
1986 | ||
1987 | return -EILSEQ; | |
1988 | } | |
1989 | ||
cda0dd78 MH |
1990 | static int btusb_setup_intel_new(struct hci_dev *hdev) |
1991 | { | |
1992 | static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01, | |
1993 | 0x00, 0x08, 0x04, 0x00 }; | |
1994 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1995 | struct sk_buff *skb; | |
6c483de1 | 1996 | struct intel_version ver; |
cda0dd78 MH |
1997 | struct intel_boot_params *params; |
1998 | const struct firmware *fw; | |
1999 | const u8 *fw_ptr; | |
e66890a9 | 2000 | u32 frag_len; |
cda0dd78 MH |
2001 | char fwname[64]; |
2002 | ktime_t calltime, delta, rettime; | |
2003 | unsigned long long duration; | |
2004 | int err; | |
2005 | ||
2006 | BT_DBG("%s", hdev->name); | |
2007 | ||
2008 | calltime = ktime_get(); | |
2009 | ||
2010 | /* Read the Intel version information to determine if the device | |
2011 | * is in bootloader mode or if it already has operational firmware | |
2012 | * loaded. | |
2013 | */ | |
6c483de1 LP |
2014 | err = btintel_read_version(hdev, &ver); |
2015 | if (err) | |
2016 | return err; | |
cda0dd78 MH |
2017 | |
2018 | /* The hardware platform number has a fixed value of 0x37 and | |
2019 | * for now only accept this single value. | |
2020 | */ | |
6c483de1 | 2021 | if (ver.hw_platform != 0x37) { |
cda0dd78 | 2022 | BT_ERR("%s: Unsupported Intel hardware platform (%u)", |
6c483de1 | 2023 | hdev->name, ver.hw_platform); |
cda0dd78 MH |
2024 | return -EINVAL; |
2025 | } | |
2026 | ||
a0af53b5 THJA |
2027 | /* At the moment the iBT 3.0 hardware variants 0x0b (LnP/SfP) |
2028 | * and 0x0c (WsP) are supported by this firmware loading method. | |
2029 | * | |
2030 | * This check has been put in place to ensure correct forward | |
2031 | * compatibility options when newer hardware variants come along. | |
cda0dd78 | 2032 | */ |
a0af53b5 | 2033 | if (ver.hw_variant != 0x0b && ver.hw_variant != 0x0c) { |
cda0dd78 | 2034 | BT_ERR("%s: Unsupported Intel hardware variant (%u)", |
6c483de1 | 2035 | hdev->name, ver.hw_variant); |
cda0dd78 MH |
2036 | return -EINVAL; |
2037 | } | |
2038 | ||
6c483de1 | 2039 | btintel_version_info(hdev, &ver); |
cda0dd78 MH |
2040 | |
2041 | /* The firmware variant determines if the device is in bootloader | |
2042 | * mode or is running operational firmware. The value 0x06 identifies | |
2043 | * the bootloader and the value 0x23 identifies the operational | |
2044 | * firmware. | |
2045 | * | |
2046 | * When the operational firmware is already present, then only | |
2047 | * the check for valid Bluetooth device address is needed. This | |
2048 | * determines if the device will be added as configured or | |
2049 | * unconfigured controller. | |
2050 | * | |
2051 | * It is not possible to use the Secure Boot Parameters in this | |
2052 | * case since that command is only available in bootloader mode. | |
2053 | */ | |
6c483de1 | 2054 | if (ver.fw_variant == 0x23) { |
cda0dd78 | 2055 | clear_bit(BTUSB_BOOTLOADER, &data->flags); |
4185a0f5 | 2056 | btintel_check_bdaddr(hdev); |
cda0dd78 MH |
2057 | return 0; |
2058 | } | |
2059 | ||
2060 | /* If the device is not in bootloader mode, then the only possible | |
2061 | * choice is to return an error and abort the device initialization. | |
2062 | */ | |
6c483de1 | 2063 | if (ver.fw_variant != 0x06) { |
cda0dd78 | 2064 | BT_ERR("%s: Unsupported Intel firmware variant (%u)", |
6c483de1 | 2065 | hdev->name, ver.fw_variant); |
cda0dd78 MH |
2066 | return -ENODEV; |
2067 | } | |
2068 | ||
cda0dd78 MH |
2069 | /* Read the secure boot parameters to identify the operating |
2070 | * details of the bootloader. | |
2071 | */ | |
2072 | skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT); | |
2073 | if (IS_ERR(skb)) { | |
2074 | BT_ERR("%s: Reading Intel boot parameters failed (%ld)", | |
2075 | hdev->name, PTR_ERR(skb)); | |
2076 | return PTR_ERR(skb); | |
2077 | } | |
2078 | ||
2079 | if (skb->len != sizeof(*params)) { | |
2080 | BT_ERR("%s: Intel boot parameters size mismatch", hdev->name); | |
2081 | kfree_skb(skb); | |
2082 | return -EILSEQ; | |
2083 | } | |
2084 | ||
2085 | params = (struct intel_boot_params *)skb->data; | |
cda0dd78 MH |
2086 | |
2087 | BT_INFO("%s: Device revision is %u", hdev->name, | |
2088 | le16_to_cpu(params->dev_revid)); | |
2089 | ||
2090 | BT_INFO("%s: Secure boot is %s", hdev->name, | |
2091 | params->secure_boot ? "enabled" : "disabled"); | |
2092 | ||
2220994e MH |
2093 | BT_INFO("%s: OTP lock is %s", hdev->name, |
2094 | params->otp_lock ? "enabled" : "disabled"); | |
2095 | ||
2096 | BT_INFO("%s: API lock is %s", hdev->name, | |
2097 | params->api_lock ? "enabled" : "disabled"); | |
2098 | ||
2099 | BT_INFO("%s: Debug lock is %s", hdev->name, | |
2100 | params->debug_lock ? "enabled" : "disabled"); | |
2101 | ||
cda0dd78 MH |
2102 | BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name, |
2103 | params->min_fw_build_nn, params->min_fw_build_cw, | |
2104 | 2000 + params->min_fw_build_yy); | |
2105 | ||
2106 | /* It is required that every single firmware fragment is acknowledged | |
2107 | * with a command complete event. If the boot parameters indicate | |
2108 | * that this bootloader does not send them, then abort the setup. | |
2109 | */ | |
2110 | if (params->limited_cce != 0x00) { | |
2111 | BT_ERR("%s: Unsupported Intel firmware loading method (%u)", | |
2112 | hdev->name, params->limited_cce); | |
2113 | kfree_skb(skb); | |
2114 | return -EINVAL; | |
2115 | } | |
2116 | ||
2117 | /* If the OTP has no valid Bluetooth device address, then there will | |
2118 | * also be no valid address for the operational firmware. | |
2119 | */ | |
2120 | if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) { | |
2121 | BT_INFO("%s: No device address configured", hdev->name); | |
2122 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); | |
2123 | } | |
2124 | ||
2125 | /* With this Intel bootloader only the hardware variant and device | |
2126 | * revision information are used to select the right firmware. | |
2127 | * | |
230b04ac THJA |
2128 | * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi. |
2129 | * | |
2130 | * Currently the supported hardware variants are: | |
2131 | * 11 (0x0b) for iBT3.0 (LnP/SfP) | |
2132 | * 12 (0x0c) for iBT3.5 (WsP) | |
cda0dd78 | 2133 | */ |
230b04ac THJA |
2134 | snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.sfi", |
2135 | le16_to_cpu(ver.hw_variant), | |
cda0dd78 MH |
2136 | le16_to_cpu(params->dev_revid)); |
2137 | ||
2138 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2139 | if (err < 0) { | |
2140 | BT_ERR("%s: Failed to load Intel firmware file (%d)", | |
2141 | hdev->name, err); | |
2142 | kfree_skb(skb); | |
2143 | return err; | |
2144 | } | |
2145 | ||
2146 | BT_INFO("%s: Found device firmware: %s", hdev->name, fwname); | |
2147 | ||
52cc9168 THJA |
2148 | /* Save the DDC file name for later use to apply once the firmware |
2149 | * downloading is done. | |
2150 | */ | |
230b04ac THJA |
2151 | snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.ddc", |
2152 | le16_to_cpu(ver.hw_variant), | |
52cc9168 THJA |
2153 | le16_to_cpu(params->dev_revid)); |
2154 | ||
cda0dd78 MH |
2155 | kfree_skb(skb); |
2156 | ||
2157 | if (fw->size < 644) { | |
2158 | BT_ERR("%s: Invalid size of firmware file (%zu)", | |
2159 | hdev->name, fw->size); | |
2160 | err = -EBADF; | |
2161 | goto done; | |
2162 | } | |
2163 | ||
2164 | set_bit(BTUSB_DOWNLOADING, &data->flags); | |
2165 | ||
2166 | /* Start the firmware download transaction with the Init fragment | |
2167 | * represented by the 128 bytes of CSS header. | |
2168 | */ | |
09df123d | 2169 | err = btintel_secure_send(hdev, 0x00, 128, fw->data); |
cda0dd78 MH |
2170 | if (err < 0) { |
2171 | BT_ERR("%s: Failed to send firmware header (%d)", | |
2172 | hdev->name, err); | |
2173 | goto done; | |
2174 | } | |
2175 | ||
2176 | /* Send the 256 bytes of public key information from the firmware | |
2177 | * as the PKey fragment. | |
2178 | */ | |
09df123d | 2179 | err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128); |
cda0dd78 MH |
2180 | if (err < 0) { |
2181 | BT_ERR("%s: Failed to send firmware public key (%d)", | |
2182 | hdev->name, err); | |
2183 | goto done; | |
2184 | } | |
2185 | ||
2186 | /* Send the 256 bytes of signature information from the firmware | |
2187 | * as the Sign fragment. | |
2188 | */ | |
09df123d | 2189 | err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388); |
cda0dd78 MH |
2190 | if (err < 0) { |
2191 | BT_ERR("%s: Failed to send firmware signature (%d)", | |
2192 | hdev->name, err); | |
2193 | goto done; | |
2194 | } | |
2195 | ||
2196 | fw_ptr = fw->data + 644; | |
e66890a9 | 2197 | frag_len = 0; |
cda0dd78 MH |
2198 | |
2199 | while (fw_ptr - fw->data < fw->size) { | |
e66890a9 | 2200 | struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len); |
cda0dd78 | 2201 | |
e66890a9 | 2202 | frag_len += sizeof(*cmd) + cmd->plen; |
cda0dd78 | 2203 | |
5075edae | 2204 | /* The parameter length of the secure send command requires |
e66890a9 MH |
2205 | * a 4 byte alignment. It happens so that the firmware file |
2206 | * contains proper Intel_NOP commands to align the fragments | |
2207 | * as needed. | |
2208 | * | |
2209 | * Send set of commands with 4 byte alignment from the | |
2210 | * firmware data buffer as a single Data fragement. | |
cda0dd78 | 2211 | */ |
e66890a9 | 2212 | if (!(frag_len % 4)) { |
09df123d | 2213 | err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr); |
e66890a9 MH |
2214 | if (err < 0) { |
2215 | BT_ERR("%s: Failed to send firmware data (%d)", | |
2216 | hdev->name, err); | |
2217 | goto done; | |
2218 | } | |
cda0dd78 | 2219 | |
e66890a9 MH |
2220 | fw_ptr += frag_len; |
2221 | frag_len = 0; | |
2222 | } | |
cda0dd78 MH |
2223 | } |
2224 | ||
ce6bb929 MH |
2225 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); |
2226 | ||
a087a98e JH |
2227 | BT_INFO("%s: Waiting for firmware download to complete", hdev->name); |
2228 | ||
cda0dd78 MH |
2229 | /* Before switching the device into operational mode and with that |
2230 | * booting the loaded firmware, wait for the bootloader notification | |
2231 | * that all fragments have been successfully received. | |
2232 | * | |
a087a98e JH |
2233 | * When the event processing receives the notification, then the |
2234 | * BTUSB_DOWNLOADING flag will be cleared. | |
2235 | * | |
2236 | * The firmware loading should not take longer than 5 seconds | |
2237 | * and thus just timeout if that happens and fail the setup | |
2238 | * of this device. | |
cda0dd78 | 2239 | */ |
129a7693 JH |
2240 | err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, |
2241 | TASK_INTERRUPTIBLE, | |
2242 | msecs_to_jiffies(5000)); | |
f0a70a04 | 2243 | if (err == -EINTR) { |
a087a98e | 2244 | BT_ERR("%s: Firmware loading interrupted", hdev->name); |
a087a98e JH |
2245 | goto done; |
2246 | } | |
cda0dd78 | 2247 | |
a087a98e JH |
2248 | if (err) { |
2249 | BT_ERR("%s: Firmware loading timeout", hdev->name); | |
2250 | err = -ETIMEDOUT; | |
2251 | goto done; | |
cda0dd78 MH |
2252 | } |
2253 | ||
2254 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { | |
2255 | BT_ERR("%s: Firmware loading failed", hdev->name); | |
2256 | err = -ENOEXEC; | |
2257 | goto done; | |
2258 | } | |
2259 | ||
2260 | rettime = ktime_get(); | |
2261 | delta = ktime_sub(rettime, calltime); | |
2262 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2263 | ||
2264 | BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration); | |
2265 | ||
2266 | done: | |
2267 | release_firmware(fw); | |
2268 | ||
2269 | if (err < 0) | |
2270 | return err; | |
2271 | ||
2272 | calltime = ktime_get(); | |
2273 | ||
2274 | set_bit(BTUSB_BOOTING, &data->flags); | |
2275 | ||
2276 | skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param, | |
2277 | HCI_INIT_TIMEOUT); | |
2278 | if (IS_ERR(skb)) | |
2279 | return PTR_ERR(skb); | |
2280 | ||
2281 | kfree_skb(skb); | |
2282 | ||
2283 | /* The bootloader will not indicate when the device is ready. This | |
2284 | * is done by the operational firmware sending bootup notification. | |
fad70972 JH |
2285 | * |
2286 | * Booting into operational firmware should not take longer than | |
2287 | * 1 second. However if that happens, then just fail the setup | |
2288 | * since something went wrong. | |
cda0dd78 | 2289 | */ |
fad70972 | 2290 | BT_INFO("%s: Waiting for device to boot", hdev->name); |
cda0dd78 | 2291 | |
129a7693 JH |
2292 | err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, |
2293 | TASK_INTERRUPTIBLE, | |
2294 | msecs_to_jiffies(1000)); | |
cda0dd78 | 2295 | |
f0a70a04 | 2296 | if (err == -EINTR) { |
fad70972 JH |
2297 | BT_ERR("%s: Device boot interrupted", hdev->name); |
2298 | return -EINTR; | |
2299 | } | |
cda0dd78 | 2300 | |
fad70972 JH |
2301 | if (err) { |
2302 | BT_ERR("%s: Device boot timeout", hdev->name); | |
2303 | return -ETIMEDOUT; | |
cda0dd78 MH |
2304 | } |
2305 | ||
2306 | rettime = ktime_get(); | |
2307 | delta = ktime_sub(rettime, calltime); | |
2308 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2309 | ||
2310 | BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration); | |
2311 | ||
2312 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2313 | ||
52cc9168 THJA |
2314 | /* Once the device is running in operational mode, it needs to apply |
2315 | * the device configuration (DDC) parameters. | |
2316 | * | |
2317 | * The device can work without DDC parameters, so even if it fails | |
2318 | * to load the file, no need to fail the setup. | |
2319 | */ | |
e924d3d6 | 2320 | btintel_load_ddc_config(hdev, fwname); |
52cc9168 | 2321 | |
213445b2 MH |
2322 | /* Set the event mask for Intel specific vendor events. This enables |
2323 | * a few extra events that are useful during general operation. It | |
2324 | * does not enable any debugging related events. | |
2325 | * | |
2326 | * The device will function correctly without these events enabled | |
2327 | * and thus no need to fail the setup. | |
2328 | */ | |
2329 | btintel_set_event_mask(hdev, false); | |
2330 | ||
cda0dd78 MH |
2331 | return 0; |
2332 | } | |
2333 | ||
bfbd45e9 THJA |
2334 | static int btusb_shutdown_intel(struct hci_dev *hdev) |
2335 | { | |
2336 | struct sk_buff *skb; | |
2337 | long ret; | |
2338 | ||
2339 | /* Some platforms have an issue with BT LED when the interface is | |
2340 | * down or BT radio is turned off, which takes 5 seconds to BT LED | |
2341 | * goes off. This command turns off the BT LED immediately. | |
2342 | */ | |
2343 | skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); | |
2344 | if (IS_ERR(skb)) { | |
2345 | ret = PTR_ERR(skb); | |
2346 | BT_ERR("%s: turning off Intel device LED failed (%ld)", | |
2347 | hdev->name, ret); | |
2348 | return ret; | |
2349 | } | |
2350 | kfree_skb(skb); | |
2351 | ||
2352 | return 0; | |
2353 | } | |
2354 | ||
a4ccc9e3 RJ |
2355 | #ifdef CONFIG_PM |
2356 | /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ | |
2357 | static int marvell_config_oob_wake(struct hci_dev *hdev) | |
2358 | { | |
2359 | struct sk_buff *skb; | |
2360 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2361 | struct device *dev = &data->udev->dev; | |
2362 | u16 pin, gap, opcode; | |
2363 | int ret; | |
2364 | u8 cmd[5]; | |
2365 | ||
2366 | /* Move on if no wakeup pin specified */ | |
2367 | if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) || | |
2368 | of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap)) | |
2369 | return 0; | |
2370 | ||
2371 | /* Vendor specific command to configure a GPIO as wake-up pin */ | |
2372 | opcode = hci_opcode_pack(0x3F, 0x59); | |
2373 | cmd[0] = opcode & 0xFF; | |
2374 | cmd[1] = opcode >> 8; | |
2375 | cmd[2] = 2; /* length of parameters that follow */ | |
2376 | cmd[3] = pin; | |
2377 | cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ | |
2378 | ||
2379 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
2380 | if (!skb) { | |
2381 | bt_dev_err(hdev, "%s: No memory\n", __func__); | |
2382 | return -ENOMEM; | |
2383 | } | |
2384 | ||
2385 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
2386 | hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; | |
2387 | ||
2388 | ret = btusb_send_frame(hdev, skb); | |
2389 | if (ret) { | |
2390 | bt_dev_err(hdev, "%s: configuration failed\n", __func__); | |
2391 | kfree_skb(skb); | |
2392 | return ret; | |
2393 | } | |
2394 | ||
2395 | return 0; | |
2396 | } | |
2397 | #endif | |
2398 | ||
ae8df494 AK |
2399 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
2400 | const bdaddr_t *bdaddr) | |
2401 | { | |
2402 | struct sk_buff *skb; | |
2403 | u8 buf[8]; | |
2404 | long ret; | |
2405 | ||
2406 | buf[0] = 0xfe; | |
2407 | buf[1] = sizeof(bdaddr_t); | |
2408 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
2409 | ||
2410 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2411 | if (IS_ERR(skb)) { | |
2412 | ret = PTR_ERR(skb); | |
2413 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
2414 | hdev->name, ret); | |
2415 | return ret; | |
2416 | } | |
2417 | kfree_skb(skb); | |
2418 | ||
2419 | return 0; | |
2420 | } | |
2421 | ||
5859223e TK |
2422 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
2423 | const bdaddr_t *bdaddr) | |
2424 | { | |
2425 | struct sk_buff *skb; | |
2426 | u8 buf[10]; | |
2427 | long ret; | |
2428 | ||
2429 | buf[0] = 0x01; | |
2430 | buf[1] = 0x01; | |
2431 | buf[2] = 0x00; | |
2432 | buf[3] = sizeof(bdaddr_t); | |
2433 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
2434 | ||
2435 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2436 | if (IS_ERR(skb)) { | |
2437 | ret = PTR_ERR(skb); | |
2438 | BT_ERR("%s: Change address command failed (%ld)", | |
2439 | hdev->name, ret); | |
2440 | return ret; | |
2441 | } | |
2442 | kfree_skb(skb); | |
2443 | ||
2444 | return 0; | |
2445 | } | |
2446 | ||
3267c884 KBYT |
2447 | #define QCA_DFU_PACKET_LEN 4096 |
2448 | ||
2449 | #define QCA_GET_TARGET_VERSION 0x09 | |
2450 | #define QCA_CHECK_STATUS 0x05 | |
2451 | #define QCA_DFU_DOWNLOAD 0x01 | |
2452 | ||
2453 | #define QCA_SYSCFG_UPDATED 0x40 | |
2454 | #define QCA_PATCH_UPDATED 0x80 | |
2455 | #define QCA_DFU_TIMEOUT 3000 | |
2456 | ||
2457 | struct qca_version { | |
2458 | __le32 rom_version; | |
2459 | __le32 patch_version; | |
2460 | __le32 ram_version; | |
2461 | __le32 ref_clock; | |
2462 | __u8 reserved[4]; | |
2463 | } __packed; | |
2464 | ||
2465 | struct qca_rampatch_version { | |
2466 | __le16 rom_version; | |
2467 | __le16 patch_version; | |
2468 | } __packed; | |
2469 | ||
2470 | struct qca_device_info { | |
bf906b3d KBYT |
2471 | u32 rom_version; |
2472 | u8 rampatch_hdr; /* length of header in rampatch */ | |
2473 | u8 nvm_hdr; /* length of header in NVM */ | |
2474 | u8 ver_offset; /* offset of version structure in rampatch */ | |
3267c884 KBYT |
2475 | }; |
2476 | ||
2477 | static const struct qca_device_info qca_devices_table[] = { | |
2478 | { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ | |
2479 | { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ | |
7f6e6363 | 2480 | { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ |
3267c884 KBYT |
2481 | { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ |
2482 | { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ | |
2483 | { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ | |
2484 | }; | |
2485 | ||
2486 | static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request, | |
2487 | void *data, u16 size) | |
2488 | { | |
2489 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2490 | struct usb_device *udev = btdata->udev; | |
2491 | int pipe, err; | |
2492 | u8 *buf; | |
2493 | ||
2494 | buf = kmalloc(size, GFP_KERNEL); | |
2495 | if (!buf) | |
2496 | return -ENOMEM; | |
2497 | ||
2498 | /* Found some of USB hosts have IOT issues with ours so that we should | |
2499 | * not wait until HCI layer is ready. | |
2500 | */ | |
2501 | pipe = usb_rcvctrlpipe(udev, 0); | |
2502 | err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, | |
2503 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2504 | if (err < 0) { | |
2505 | BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err); | |
2506 | goto done; | |
2507 | } | |
2508 | ||
2509 | memcpy(data, buf, size); | |
2510 | ||
2511 | done: | |
2512 | kfree(buf); | |
2513 | ||
2514 | return err; | |
2515 | } | |
2516 | ||
2517 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, | |
2518 | const struct firmware *firmware, | |
2519 | size_t hdr_size) | |
2520 | { | |
2521 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2522 | struct usb_device *udev = btdata->udev; | |
2523 | size_t count, size, sent = 0; | |
2524 | int pipe, len, err; | |
2525 | u8 *buf; | |
2526 | ||
2527 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); | |
2528 | if (!buf) | |
2529 | return -ENOMEM; | |
2530 | ||
2531 | count = firmware->size; | |
2532 | ||
2533 | size = min_t(size_t, count, hdr_size); | |
2534 | memcpy(buf, firmware->data, size); | |
2535 | ||
2536 | /* USB patches should go down to controller through USB path | |
2537 | * because binary format fits to go down through USB channel. | |
2538 | * USB control path is for patching headers and USB bulk is for | |
2539 | * patch body. | |
2540 | */ | |
2541 | pipe = usb_sndctrlpipe(udev, 0); | |
2542 | err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, | |
2543 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2544 | if (err < 0) { | |
2545 | BT_ERR("%s: Failed to send headers (%d)", hdev->name, err); | |
2546 | goto done; | |
2547 | } | |
2548 | ||
2549 | sent += size; | |
2550 | count -= size; | |
2551 | ||
2552 | while (count) { | |
2553 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); | |
2554 | ||
2555 | memcpy(buf, firmware->data + sent, size); | |
2556 | ||
2557 | pipe = usb_sndbulkpipe(udev, 0x02); | |
2558 | err = usb_bulk_msg(udev, pipe, buf, size, &len, | |
2559 | QCA_DFU_TIMEOUT); | |
2560 | if (err < 0) { | |
2561 | BT_ERR("%s: Failed to send body at %zd of %zd (%d)", | |
2562 | hdev->name, sent, firmware->size, err); | |
2563 | break; | |
2564 | } | |
2565 | ||
2566 | if (size != len) { | |
2567 | BT_ERR("%s: Failed to get bulk buffer", hdev->name); | |
2568 | err = -EILSEQ; | |
2569 | break; | |
2570 | } | |
2571 | ||
2572 | sent += size; | |
2573 | count -= size; | |
2574 | } | |
2575 | ||
2576 | done: | |
2577 | kfree(buf); | |
2578 | return err; | |
2579 | } | |
2580 | ||
2581 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, | |
2582 | struct qca_version *ver, | |
2583 | const struct qca_device_info *info) | |
2584 | { | |
2585 | struct qca_rampatch_version *rver; | |
2586 | const struct firmware *fw; | |
bf906b3d KBYT |
2587 | u32 ver_rom, ver_patch; |
2588 | u16 rver_rom, rver_patch; | |
3267c884 KBYT |
2589 | char fwname[64]; |
2590 | int err; | |
2591 | ||
bf906b3d KBYT |
2592 | ver_rom = le32_to_cpu(ver->rom_version); |
2593 | ver_patch = le32_to_cpu(ver->patch_version); | |
2594 | ||
2595 | snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); | |
3267c884 KBYT |
2596 | |
2597 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2598 | if (err) { | |
2599 | BT_ERR("%s: failed to request rampatch file: %s (%d)", | |
2600 | hdev->name, fwname, err); | |
2601 | return err; | |
2602 | } | |
2603 | ||
2604 | BT_INFO("%s: using rampatch file: %s", hdev->name, fwname); | |
bf906b3d | 2605 | |
3267c884 | 2606 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
bf906b3d KBYT |
2607 | rver_rom = le16_to_cpu(rver->rom_version); |
2608 | rver_patch = le16_to_cpu(rver->patch_version); | |
2609 | ||
3267c884 | 2610 | BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x " |
bf906b3d KBYT |
2611 | "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom, |
2612 | ver_patch); | |
3267c884 | 2613 | |
bf906b3d | 2614 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
3267c884 KBYT |
2615 | BT_ERR("%s: rampatch file version did not match with firmware", |
2616 | hdev->name); | |
2617 | err = -EINVAL; | |
2618 | goto done; | |
2619 | } | |
2620 | ||
2621 | err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); | |
2622 | ||
2623 | done: | |
2624 | release_firmware(fw); | |
2625 | ||
2626 | return err; | |
2627 | } | |
2628 | ||
2629 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, | |
2630 | struct qca_version *ver, | |
2631 | const struct qca_device_info *info) | |
2632 | { | |
2633 | const struct firmware *fw; | |
2634 | char fwname[64]; | |
2635 | int err; | |
2636 | ||
2637 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", | |
2638 | le32_to_cpu(ver->rom_version)); | |
2639 | ||
2640 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2641 | if (err) { | |
2642 | BT_ERR("%s: failed to request NVM file: %s (%d)", | |
2643 | hdev->name, fwname, err); | |
2644 | return err; | |
2645 | } | |
2646 | ||
2647 | BT_INFO("%s: using NVM file: %s", hdev->name, fwname); | |
2648 | ||
2649 | err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); | |
2650 | ||
2651 | release_firmware(fw); | |
2652 | ||
2653 | return err; | |
2654 | } | |
2655 | ||
2656 | static int btusb_setup_qca(struct hci_dev *hdev) | |
2657 | { | |
2658 | const struct qca_device_info *info = NULL; | |
2659 | struct qca_version ver; | |
bf906b3d | 2660 | u32 ver_rom; |
3267c884 KBYT |
2661 | u8 status; |
2662 | int i, err; | |
2663 | ||
2664 | err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver, | |
eb50042f | 2665 | sizeof(ver)); |
3267c884 KBYT |
2666 | if (err < 0) |
2667 | return err; | |
2668 | ||
bf906b3d | 2669 | ver_rom = le32_to_cpu(ver.rom_version); |
3267c884 | 2670 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
bf906b3d | 2671 | if (ver_rom == qca_devices_table[i].rom_version) |
3267c884 KBYT |
2672 | info = &qca_devices_table[i]; |
2673 | } | |
2674 | if (!info) { | |
2675 | BT_ERR("%s: don't support firmware rome 0x%x", hdev->name, | |
bf906b3d | 2676 | ver_rom); |
3267c884 KBYT |
2677 | return -ENODEV; |
2678 | } | |
2679 | ||
2680 | err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status, | |
2681 | sizeof(status)); | |
2682 | if (err < 0) | |
2683 | return err; | |
2684 | ||
2685 | if (!(status & QCA_PATCH_UPDATED)) { | |
2686 | err = btusb_setup_qca_load_rampatch(hdev, &ver, info); | |
2687 | if (err < 0) | |
2688 | return err; | |
2689 | } | |
2690 | ||
2691 | if (!(status & QCA_SYSCFG_UPDATED)) { | |
2692 | err = btusb_setup_qca_load_nvm(hdev, &ver, info); | |
2693 | if (err < 0) | |
2694 | return err; | |
2695 | } | |
2696 | ||
2697 | return 0; | |
2698 | } | |
2699 | ||
9d08f504 MH |
2700 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
2701 | static inline int __set_diag_interface(struct hci_dev *hdev) | |
2702 | { | |
2703 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2704 | struct usb_interface *intf = data->diag; | |
2705 | int i; | |
2706 | ||
2707 | if (!data->diag) | |
2708 | return -ENODEV; | |
2709 | ||
2710 | data->diag_tx_ep = NULL; | |
2711 | data->diag_rx_ep = NULL; | |
2712 | ||
2713 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2714 | struct usb_endpoint_descriptor *ep_desc; | |
2715 | ||
2716 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2717 | ||
2718 | if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2719 | data->diag_tx_ep = ep_desc; | |
2720 | continue; | |
2721 | } | |
2722 | ||
2723 | if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2724 | data->diag_rx_ep = ep_desc; | |
2725 | continue; | |
2726 | } | |
2727 | } | |
2728 | ||
2729 | if (!data->diag_tx_ep || !data->diag_rx_ep) { | |
2730 | BT_ERR("%s invalid diagnostic descriptors", hdev->name); | |
2731 | return -ENODEV; | |
2732 | } | |
2733 | ||
2734 | return 0; | |
2735 | } | |
2736 | ||
2737 | static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) | |
2738 | { | |
2739 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2740 | struct sk_buff *skb; | |
2741 | struct urb *urb; | |
2742 | unsigned int pipe; | |
2743 | ||
2744 | if (!data->diag_tx_ep) | |
2745 | return ERR_PTR(-ENODEV); | |
2746 | ||
2747 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
2748 | if (!urb) | |
2749 | return ERR_PTR(-ENOMEM); | |
2750 | ||
2751 | skb = bt_skb_alloc(2, GFP_KERNEL); | |
2752 | if (!skb) { | |
2753 | usb_free_urb(urb); | |
2754 | return ERR_PTR(-ENOMEM); | |
2755 | } | |
2756 | ||
2757 | *skb_put(skb, 1) = 0xf0; | |
2758 | *skb_put(skb, 1) = enable; | |
2759 | ||
2760 | pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); | |
2761 | ||
2762 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
2763 | skb->data, skb->len, btusb_tx_complete, skb); | |
2764 | ||
2765 | skb->dev = (void *)hdev; | |
2766 | ||
2767 | return urb; | |
2768 | } | |
2769 | ||
2770 | static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) | |
2771 | { | |
2772 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2773 | struct urb *urb; | |
2774 | ||
2775 | if (!data->diag) | |
2776 | return -ENODEV; | |
2777 | ||
2778 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
2779 | return -ENETDOWN; | |
2780 | ||
2781 | urb = alloc_diag_urb(hdev, enable); | |
2782 | if (IS_ERR(urb)) | |
2783 | return PTR_ERR(urb); | |
2784 | ||
2785 | return submit_or_queue_tx_urb(hdev, urb); | |
2786 | } | |
2787 | #endif | |
2788 | ||
fd913ef7 RJ |
2789 | #ifdef CONFIG_PM |
2790 | static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) | |
2791 | { | |
2792 | struct btusb_data *data = priv; | |
2793 | ||
2794 | pm_wakeup_event(&data->udev->dev, 0); | |
2795 | ||
2796 | /* Disable only if not already disabled (keep it balanced) */ | |
2797 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
2798 | disable_irq_nosync(irq); | |
2799 | disable_irq_wake(irq); | |
2800 | } | |
2801 | return IRQ_HANDLED; | |
2802 | } | |
2803 | ||
2804 | static const struct of_device_id btusb_match_table[] = { | |
2805 | { .compatible = "usb1286,204e" }, | |
2806 | { } | |
2807 | }; | |
2808 | MODULE_DEVICE_TABLE(of, btusb_match_table); | |
2809 | ||
2810 | /* Use an oob wakeup pin? */ | |
2811 | static int btusb_config_oob_wake(struct hci_dev *hdev) | |
2812 | { | |
2813 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2814 | struct device *dev = &data->udev->dev; | |
2815 | int irq, ret; | |
2816 | ||
2817 | clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
2818 | ||
2819 | if (!of_match_device(btusb_match_table, dev)) | |
2820 | return 0; | |
2821 | ||
2822 | /* Move on if no IRQ specified */ | |
2823 | irq = of_irq_get_byname(dev->of_node, "wakeup"); | |
2824 | if (irq <= 0) { | |
2825 | bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__); | |
2826 | return 0; | |
2827 | } | |
2828 | ||
2829 | ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler, | |
2830 | 0, "OOB Wake-on-BT", data); | |
2831 | if (ret) { | |
2832 | bt_dev_err(hdev, "%s: IRQ request failed", __func__); | |
2833 | return ret; | |
2834 | } | |
2835 | ||
2836 | ret = device_init_wakeup(dev, true); | |
2837 | if (ret) { | |
2838 | bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); | |
2839 | return ret; | |
2840 | } | |
2841 | ||
2842 | data->oob_wake_irq = irq; | |
2843 | disable_irq(irq); | |
2844 | bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); | |
2845 | return 0; | |
2846 | } | |
2847 | #endif | |
2848 | ||
5e23b923 | 2849 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 2850 | const struct usb_device_id *id) |
5e23b923 MH |
2851 | { |
2852 | struct usb_endpoint_descriptor *ep_desc; | |
2853 | struct btusb_data *data; | |
2854 | struct hci_dev *hdev; | |
22f8e9db | 2855 | unsigned ifnum_base; |
5e23b923 MH |
2856 | int i, err; |
2857 | ||
2858 | BT_DBG("intf %p id %p", intf, id); | |
2859 | ||
cfeb4145 | 2860 | /* interface numbers are hardcoded in the spec */ |
22f8e9db MH |
2861 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) { |
2862 | if (!(id->driver_info & BTUSB_IFNUM_2)) | |
2863 | return -ENODEV; | |
2864 | if (intf->cur_altsetting->desc.bInterfaceNumber != 2) | |
2865 | return -ENODEV; | |
2866 | } | |
2867 | ||
2868 | ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; | |
5e23b923 MH |
2869 | |
2870 | if (!id->driver_info) { | |
2871 | const struct usb_device_id *match; | |
89e7533d | 2872 | |
5e23b923 MH |
2873 | match = usb_match_id(intf, blacklist_table); |
2874 | if (match) | |
2875 | id = match; | |
2876 | } | |
2877 | ||
cfeb4145 MH |
2878 | if (id->driver_info == BTUSB_IGNORE) |
2879 | return -ENODEV; | |
2880 | ||
2d25f8b4 SL |
2881 | if (id->driver_info & BTUSB_ATH3012) { |
2882 | struct usb_device *udev = interface_to_usbdev(intf); | |
2883 | ||
2884 | /* Old firmware would otherwise let ath3k driver load | |
2885 | * patch and sysconfig files */ | |
2886 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
2887 | return -ENODEV; | |
2888 | } | |
2889 | ||
98921dbd | 2890 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
2891 | if (!data) |
2892 | return -ENOMEM; | |
2893 | ||
2894 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2895 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2896 | ||
2897 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
2898 | data->intr_ep = ep_desc; | |
2899 | continue; | |
2900 | } | |
2901 | ||
2902 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2903 | data->bulk_tx_ep = ep_desc; | |
2904 | continue; | |
2905 | } | |
2906 | ||
2907 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2908 | data->bulk_rx_ep = ep_desc; | |
2909 | continue; | |
2910 | } | |
2911 | } | |
2912 | ||
98921dbd | 2913 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 2914 | return -ENODEV; |
5e23b923 | 2915 | |
893ba544 MH |
2916 | if (id->driver_info & BTUSB_AMP) { |
2917 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; | |
2918 | data->cmdreq = 0x2b; | |
2919 | } else { | |
2920 | data->cmdreq_type = USB_TYPE_CLASS; | |
2921 | data->cmdreq = 0x00; | |
2922 | } | |
7a9d4020 | 2923 | |
5e23b923 | 2924 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2925 | data->intf = intf; |
5e23b923 | 2926 | |
5e23b923 | 2927 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2928 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2929 | init_usb_anchor(&data->deferred); |
2930 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2931 | spin_lock_init(&data->txlock); |
5e23b923 | 2932 | |
5e23b923 MH |
2933 | init_usb_anchor(&data->intr_anchor); |
2934 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 2935 | init_usb_anchor(&data->isoc_anchor); |
9d08f504 | 2936 | init_usb_anchor(&data->diag_anchor); |
803b5836 | 2937 | spin_lock_init(&data->rxlock); |
5e23b923 | 2938 | |
cda0dd78 MH |
2939 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2940 | data->recv_event = btusb_recv_event_intel; | |
2941 | data->recv_bulk = btusb_recv_bulk_intel; | |
2942 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
2943 | } else { | |
2944 | data->recv_event = hci_recv_frame; | |
2945 | data->recv_bulk = btusb_recv_bulk; | |
2946 | } | |
2cbd3f5c | 2947 | |
5e23b923 | 2948 | hdev = hci_alloc_dev(); |
98921dbd | 2949 | if (!hdev) |
5e23b923 | 2950 | return -ENOMEM; |
5e23b923 | 2951 | |
c13854ce | 2952 | hdev->bus = HCI_USB; |
155961e8 | 2953 | hci_set_drvdata(hdev, data); |
5e23b923 | 2954 | |
893ba544 MH |
2955 | if (id->driver_info & BTUSB_AMP) |
2956 | hdev->dev_type = HCI_AMP; | |
2957 | else | |
ca8bee5d | 2958 | hdev->dev_type = HCI_PRIMARY; |
893ba544 | 2959 | |
5e23b923 MH |
2960 | data->hdev = hdev; |
2961 | ||
2962 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
2963 | ||
9f8f962c MH |
2964 | hdev->open = btusb_open; |
2965 | hdev->close = btusb_close; | |
2966 | hdev->flush = btusb_flush; | |
2967 | hdev->send = btusb_send_frame; | |
2968 | hdev->notify = btusb_notify; | |
2969 | ||
fd913ef7 RJ |
2970 | #ifdef CONFIG_PM |
2971 | err = btusb_config_oob_wake(hdev); | |
2972 | if (err) | |
2973 | goto out_free_dev; | |
a4ccc9e3 RJ |
2974 | |
2975 | /* Marvell devices may need a specific chip configuration */ | |
2976 | if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { | |
2977 | err = marvell_config_oob_wake(hdev); | |
2978 | if (err) | |
2979 | goto out_free_dev; | |
2980 | } | |
fd913ef7 | 2981 | #endif |
418678b0 SJ |
2982 | if (id->driver_info & BTUSB_CW6622) |
2983 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
2984 | ||
6c9d435d MH |
2985 | if (id->driver_info & BTUSB_BCM2045) |
2986 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
2987 | ||
9f8f962c MH |
2988 | if (id->driver_info & BTUSB_BCM92035) |
2989 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 2990 | |
c2bfb100 | 2991 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
abbaf50e | 2992 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
49a5f782 | 2993 | hdev->manufacturer = 15; |
c2bfb100 | 2994 | hdev->setup = btbcm_setup_patchram; |
9d08f504 | 2995 | hdev->set_diag = btusb_bcm_set_diag; |
1df1f591 | 2996 | hdev->set_bdaddr = btbcm_set_bdaddr; |
9d08f504 MH |
2997 | |
2998 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
22f8e9db | 2999 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); |
abbaf50e | 3000 | } |
10d4c673 | 3001 | |
9d08f504 | 3002 | if (id->driver_info & BTUSB_BCM_APPLE) { |
49a5f782 | 3003 | hdev->manufacturer = 15; |
c2bfb100 | 3004 | hdev->setup = btbcm_setup_apple; |
9d08f504 MH |
3005 | hdev->set_diag = btusb_bcm_set_diag; |
3006 | ||
3007 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
22f8e9db | 3008 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); |
9d08f504 | 3009 | } |
c2bfb100 | 3010 | #endif |
17b2772b | 3011 | |
cb8d6597 | 3012 | if (id->driver_info & BTUSB_INTEL) { |
49a5f782 | 3013 | hdev->manufacturer = 2; |
dffd30ee | 3014 | hdev->setup = btusb_setup_intel; |
bfbd45e9 | 3015 | hdev->shutdown = btusb_shutdown_intel; |
3e24767b | 3016 | hdev->set_diag = btintel_set_diag_mfg; |
4185a0f5 | 3017 | hdev->set_bdaddr = btintel_set_bdaddr; |
c33fb9b4 | 3018 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
c1154842 | 3019 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
3e24767b | 3020 | set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); |
cb8d6597 | 3021 | } |
dffd30ee | 3022 | |
cda0dd78 | 3023 | if (id->driver_info & BTUSB_INTEL_NEW) { |
49a5f782 | 3024 | hdev->manufacturer = 2; |
cda0dd78 MH |
3025 | hdev->send = btusb_send_frame_intel; |
3026 | hdev->setup = btusb_setup_intel_new; | |
eeb6abe9 | 3027 | hdev->hw_error = btintel_hw_error; |
6d2e50d2 | 3028 | hdev->set_diag = btintel_set_diag; |
4185a0f5 | 3029 | hdev->set_bdaddr = btintel_set_bdaddr; |
b970c5ba | 3030 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
d8270fbb | 3031 | set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); |
cda0dd78 MH |
3032 | } |
3033 | ||
ae8df494 AK |
3034 | if (id->driver_info & BTUSB_MARVELL) |
3035 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
3036 | ||
661cf88a MH |
3037 | if (id->driver_info & BTUSB_SWAVE) { |
3038 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
d57dbe77 | 3039 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
661cf88a | 3040 | } |
d57dbe77 | 3041 | |
e4c534bb MH |
3042 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
3043 | hdev->manufacturer = 2; | |
40df783d | 3044 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
e4c534bb | 3045 | } |
40df783d | 3046 | |
79f0c87d | 3047 | if (id->driver_info & BTUSB_ATH3012) { |
5859223e | 3048 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
3d50d51a | 3049 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
79f0c87d JP |
3050 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
3051 | } | |
5859223e | 3052 | |
3267c884 KBYT |
3053 | if (id->driver_info & BTUSB_QCA_ROME) { |
3054 | data->setup_on_usb = btusb_setup_qca; | |
3055 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
3056 | } | |
3057 | ||
db33c77d | 3058 | #ifdef CONFIG_BT_HCIBTUSB_RTL |
04b8c814 | 3059 | if (id->driver_info & BTUSB_REALTEK) { |
db33c77d | 3060 | hdev->setup = btrtl_setup_realtek; |
04b8c814 DD |
3061 | |
3062 | /* Realtek devices lose their updated firmware over suspend, | |
3063 | * but the USB hub doesn't notice any status change. | |
3064 | * Explicitly request a device reset on resume. | |
3065 | */ | |
3066 | set_bit(BTUSB_RESET_RESUME, &data->flags); | |
3067 | } | |
db33c77d | 3068 | #endif |
a2698a9b | 3069 | |
893ba544 MH |
3070 | if (id->driver_info & BTUSB_AMP) { |
3071 | /* AMP controllers do not support SCO packets */ | |
3072 | data->isoc = NULL; | |
3073 | } else { | |
22f8e9db MH |
3074 | /* Interface orders are hardcoded in the specification */ |
3075 | data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1); | |
893ba544 | 3076 | } |
9bfa35fe | 3077 | |
7a9d4020 | 3078 | if (!reset) |
a6c511c6 | 3079 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
3080 | |
3081 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
3082 | if (!disable_scofix) | |
3083 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
3084 | } | |
3085 | ||
9bfa35fe MH |
3086 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
3087 | data->isoc = NULL; | |
3088 | ||
7a9d4020 MH |
3089 | if (id->driver_info & BTUSB_DIGIANSWER) { |
3090 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 3091 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
3092 | } |
3093 | ||
3094 | if (id->driver_info & BTUSB_CSR) { | |
3095 | struct usb_device *udev = data->udev; | |
81cac64b | 3096 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
3097 | |
3098 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 3099 | if (bcdDevice < 0x117) |
a6c511c6 | 3100 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
3101 | |
3102 | /* Fake CSR devices with broken commands */ | |
6cafcd95 | 3103 | if (bcdDevice <= 0x100 || bcdDevice == 0x134) |
81cac64b | 3104 | hdev->setup = btusb_setup_csr; |
49c989a0 JP |
3105 | |
3106 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
7a9d4020 MH |
3107 | } |
3108 | ||
cfeb4145 | 3109 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 3110 | struct usb_device *udev = data->udev; |
cfeb4145 | 3111 | |
7a9d4020 | 3112 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
3113 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
3114 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
3115 | } | |
3116 | ||
3a5ef20c MH |
3117 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
3118 | /* A bug in the bootloader causes that interrupt interface is | |
3119 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
3120 | */ | |
3121 | err = usb_set_interface(data->udev, 0, 0); | |
3122 | if (err < 0) { | |
3123 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
10ab133b | 3124 | goto out_free_dev; |
3a5ef20c MH |
3125 | } |
3126 | } | |
3127 | ||
9bfa35fe MH |
3128 | if (data->isoc) { |
3129 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 3130 | data->isoc, data); |
10ab133b RJ |
3131 | if (err < 0) |
3132 | goto out_free_dev; | |
9bfa35fe MH |
3133 | } |
3134 | ||
9d08f504 MH |
3135 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
3136 | if (data->diag) { | |
3137 | if (!usb_driver_claim_interface(&btusb_driver, | |
3138 | data->diag, data)) | |
3139 | __set_diag_interface(hdev); | |
3140 | else | |
3141 | data->diag = NULL; | |
3142 | } | |
3143 | #endif | |
3144 | ||
5e23b923 | 3145 | err = hci_register_dev(hdev); |
10ab133b RJ |
3146 | if (err < 0) |
3147 | goto out_free_dev; | |
5e23b923 MH |
3148 | |
3149 | usb_set_intfdata(intf, data); | |
3150 | ||
3151 | return 0; | |
10ab133b RJ |
3152 | |
3153 | out_free_dev: | |
3154 | hci_free_dev(hdev); | |
3155 | return err; | |
5e23b923 MH |
3156 | } |
3157 | ||
3158 | static void btusb_disconnect(struct usb_interface *intf) | |
3159 | { | |
3160 | struct btusb_data *data = usb_get_intfdata(intf); | |
3161 | struct hci_dev *hdev; | |
3162 | ||
3163 | BT_DBG("intf %p", intf); | |
3164 | ||
3165 | if (!data) | |
3166 | return; | |
3167 | ||
3168 | hdev = data->hdev; | |
5fbcd260 MH |
3169 | usb_set_intfdata(data->intf, NULL); |
3170 | ||
3171 | if (data->isoc) | |
3172 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 | 3173 | |
9d08f504 MH |
3174 | if (data->diag) |
3175 | usb_set_intfdata(data->diag, NULL); | |
3176 | ||
5e23b923 MH |
3177 | hci_unregister_dev(hdev); |
3178 | ||
9d08f504 MH |
3179 | if (intf == data->intf) { |
3180 | if (data->isoc) | |
3181 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
3182 | if (data->diag) | |
3183 | usb_driver_release_interface(&btusb_driver, data->diag); | |
3184 | } else if (intf == data->isoc) { | |
3185 | if (data->diag) | |
3186 | usb_driver_release_interface(&btusb_driver, data->diag); | |
5fbcd260 | 3187 | usb_driver_release_interface(&btusb_driver, data->intf); |
9d08f504 MH |
3188 | } else if (intf == data->diag) { |
3189 | usb_driver_release_interface(&btusb_driver, data->intf); | |
3190 | if (data->isoc) | |
3191 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
3192 | } | |
5fbcd260 | 3193 | |
fd913ef7 RJ |
3194 | if (data->oob_wake_irq) |
3195 | device_init_wakeup(&data->udev->dev, false); | |
3196 | ||
5e23b923 MH |
3197 | hci_free_dev(hdev); |
3198 | } | |
3199 | ||
7bee549e | 3200 | #ifdef CONFIG_PM |
6a88adf2 MH |
3201 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
3202 | { | |
3203 | struct btusb_data *data = usb_get_intfdata(intf); | |
3204 | ||
3205 | BT_DBG("intf %p", intf); | |
3206 | ||
3207 | if (data->suspend_count++) | |
3208 | return 0; | |
3209 | ||
7bee549e | 3210 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 3211 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
3212 | set_bit(BTUSB_SUSPENDING, &data->flags); |
3213 | spin_unlock_irq(&data->txlock); | |
3214 | } else { | |
3215 | spin_unlock_irq(&data->txlock); | |
3216 | data->suspend_count--; | |
3217 | return -EBUSY; | |
3218 | } | |
3219 | ||
6a88adf2 MH |
3220 | cancel_work_sync(&data->work); |
3221 | ||
7bee549e | 3222 | btusb_stop_traffic(data); |
6a88adf2 MH |
3223 | usb_kill_anchored_urbs(&data->tx_anchor); |
3224 | ||
fd913ef7 RJ |
3225 | if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) { |
3226 | set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
3227 | enable_irq_wake(data->oob_wake_irq); | |
3228 | enable_irq(data->oob_wake_irq); | |
3229 | } | |
3230 | ||
04b8c814 DD |
3231 | /* Optionally request a device reset on resume, but only when |
3232 | * wakeups are disabled. If wakeups are enabled we assume the | |
3233 | * device will stay powered up throughout suspend. | |
3234 | */ | |
3235 | if (test_bit(BTUSB_RESET_RESUME, &data->flags) && | |
3236 | !device_may_wakeup(&data->udev->dev)) | |
3237 | data->udev->reset_resume = 1; | |
3238 | ||
6a88adf2 MH |
3239 | return 0; |
3240 | } | |
3241 | ||
7bee549e ON |
3242 | static void play_deferred(struct btusb_data *data) |
3243 | { | |
3244 | struct urb *urb; | |
3245 | int err; | |
3246 | ||
3247 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
3248 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
3249 | if (err < 0) | |
3250 | break; | |
3251 | ||
3252 | data->tx_in_flight++; | |
3253 | } | |
3254 | usb_scuttle_anchored_urbs(&data->deferred); | |
3255 | } | |
3256 | ||
6a88adf2 MH |
3257 | static int btusb_resume(struct usb_interface *intf) |
3258 | { | |
3259 | struct btusb_data *data = usb_get_intfdata(intf); | |
3260 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 3261 | int err = 0; |
6a88adf2 MH |
3262 | |
3263 | BT_DBG("intf %p", intf); | |
3264 | ||
3265 | if (--data->suspend_count) | |
3266 | return 0; | |
3267 | ||
fd913ef7 RJ |
3268 | /* Disable only if not already disabled (keep it balanced) */ |
3269 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
3270 | disable_irq(data->oob_wake_irq); | |
3271 | disable_irq_wake(data->oob_wake_irq); | |
3272 | } | |
3273 | ||
6a88adf2 | 3274 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 3275 | goto done; |
6a88adf2 MH |
3276 | |
3277 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
3278 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
3279 | if (err < 0) { | |
3280 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 3281 | goto failed; |
6a88adf2 MH |
3282 | } |
3283 | } | |
3284 | ||
3285 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
3286 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
3287 | if (err < 0) { | |
6a88adf2 | 3288 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
3289 | goto failed; |
3290 | } | |
3291 | ||
3292 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
3293 | } |
3294 | ||
3295 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
3296 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
3297 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
3298 | else | |
3299 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
3300 | } | |
3301 | ||
7bee549e ON |
3302 | spin_lock_irq(&data->txlock); |
3303 | play_deferred(data); | |
3304 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
3305 | spin_unlock_irq(&data->txlock); | |
3306 | schedule_work(&data->work); | |
3307 | ||
6a88adf2 | 3308 | return 0; |
7bee549e ON |
3309 | |
3310 | failed: | |
3311 | usb_scuttle_anchored_urbs(&data->deferred); | |
3312 | done: | |
3313 | spin_lock_irq(&data->txlock); | |
3314 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
3315 | spin_unlock_irq(&data->txlock); | |
3316 | ||
3317 | return err; | |
6a88adf2 | 3318 | } |
7bee549e | 3319 | #endif |
6a88adf2 | 3320 | |
5e23b923 MH |
3321 | static struct usb_driver btusb_driver = { |
3322 | .name = "btusb", | |
3323 | .probe = btusb_probe, | |
3324 | .disconnect = btusb_disconnect, | |
7bee549e | 3325 | #ifdef CONFIG_PM |
6a88adf2 MH |
3326 | .suspend = btusb_suspend, |
3327 | .resume = btusb_resume, | |
7bee549e | 3328 | #endif |
5e23b923 | 3329 | .id_table = btusb_table, |
7bee549e | 3330 | .supports_autosuspend = 1, |
e1f12eb6 | 3331 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
3332 | }; |
3333 | ||
93f1508c | 3334 | module_usb_driver(btusb_driver); |
5e23b923 | 3335 | |
cfeb4145 MH |
3336 | module_param(disable_scofix, bool, 0644); |
3337 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
3338 | ||
3339 | module_param(force_scofix, bool, 0644); | |
3340 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
3341 | ||
3342 | module_param(reset, bool, 0644); | |
3343 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
3344 | ||
5e23b923 MH |
3345 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
3346 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
3347 | MODULE_VERSION(VERSION); | |
3348 | MODULE_LICENSE("GPL"); |