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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 | |
1623d0bf DT |
163 | /* Toshiba Corp - Broadcom based */ |
164 | { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01), | |
165 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
166 | ||
40df783d | 167 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
168 | { USB_DEVICE(0x8087, 0x0a5a), |
169 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 170 | |
5e23b923 MH |
171 | { } /* Terminating entry */ |
172 | }; | |
173 | ||
174 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
175 | ||
54265202 | 176 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
177 | /* CSR BlueCore devices */ |
178 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
179 | ||
180 | /* Broadcom BCM2033 without firmware */ | |
181 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
182 | ||
6c9d435d MH |
183 | /* Broadcom BCM2045 devices */ |
184 | { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 }, | |
185 | ||
be93112a | 186 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
187 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
188 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
2eeff0b4 | 189 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, |
0b880062 | 190 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 191 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 192 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 193 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 194 | |
509e7861 CYC |
195 | /* Atheros AR9285 Malbec with sflash firmware */ |
196 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
197 | ||
d9f51b51 | 198 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
199 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
200 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
201 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
202 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
203 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
692c062e | 204 | { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, |
4b552bc9 | 205 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
28c971d8 | 206 | { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
207 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
208 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
209 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
210 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 211 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
212 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
213 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
7e730c7f | 214 | { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, |
ec0810d2 | 215 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, |
134d3b35 | 216 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
81d90442 | 217 | { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 218 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
cd355ff0 | 219 | { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 220 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
89d2975f | 221 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 222 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 223 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 224 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 225 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 226 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 227 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 228 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 229 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 230 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
18e0afab | 231 | { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 232 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 233 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 234 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
ca79f232 | 235 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
236 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
237 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 238 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
609574eb | 239 | { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 240 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 241 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
033efa92 | 242 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 243 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
75c6aca4 | 244 | { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, |
0d0cef61 | 245 | { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, |
72f9f8b5 | 246 | { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, |
12d86896 | 247 | { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 248 | |
e9036e33 CYC |
249 | /* Atheros AR5BBU12 with sflash firmware */ |
250 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
251 | ||
85d59726 | 252 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 253 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 254 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 255 | |
3267c884 | 256 | /* QCA ROME chipset */ |
2054111b | 257 | { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME }, |
93519934 | 258 | { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME }, |
c9e44474 MH |
259 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME }, |
260 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME }, | |
47ca5898 | 261 | { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME }, |
1144a4ee | 262 | { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME }, |
3267c884 | 263 | |
cfeb4145 | 264 | /* Broadcom BCM2035 */ |
7a9d4020 | 265 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
266 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
267 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
268 | |
269 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
270 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
271 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 272 | |
cfeb4145 | 273 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
274 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
275 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
276 | |
277 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 278 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
279 | |
280 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 281 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 282 | |
5ddd4a60 | 283 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 284 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 285 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 286 | |
7a9d4020 MH |
287 | /* Belkin F8T012 and F8T013 devices */ |
288 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
289 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 290 | |
5ddd4a60 MH |
291 | /* Asus WL-BTD202 device */ |
292 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
293 | ||
294 | /* Kensington Bluetooth USB adapter */ | |
295 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
296 | ||
cfeb4145 MH |
297 | /* RTX Telecom based adapters with buggy SCO support */ |
298 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
299 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
300 | ||
301 | /* CONWISE Technology based adapters with buggy SCO support */ | |
418678b0 SJ |
302 | { USB_DEVICE(0x0e5e, 0x6622), |
303 | .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622}, | |
cfeb4145 | 304 | |
4fcef8ed | 305 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
2eeac871 | 306 | { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, |
4fcef8ed | 307 | |
cfeb4145 MH |
308 | /* Digianswer devices */ |
309 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
310 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
311 | ||
312 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
313 | { USB_DEVICE(0x0a12, 0x0002), |
314 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
315 | |
316 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
317 | { USB_DEVICE(0x16d3, 0x0002), |
318 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 319 | |
cb1ee89f MH |
320 | /* Marvell Bluetooth devices */ |
321 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
322 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
1165df0e | 323 | { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, |
cb1ee89f | 324 | |
d0ac9eb7 | 325 | /* Intel Bluetooth devices */ |
407550fe | 326 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, |
dffd30ee | 327 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
ef4e5e4a | 328 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
cda0dd78 | 329 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, |
439e65d3 | 330 | { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL }, |
dffd30ee | 331 | |
d0ac9eb7 MH |
332 | /* Other Intel Bluetooth devices */ |
333 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), | |
334 | .driver_info = BTUSB_IGNORE }, | |
ae8df494 | 335 | |
a2698a9b DD |
336 | /* Realtek Bluetooth devices */ |
337 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), | |
338 | .driver_info = BTUSB_REALTEK }, | |
339 | ||
340 | /* Additional Realtek 8723AE Bluetooth devices */ | |
341 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, | |
342 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, | |
343 | ||
344 | /* Additional Realtek 8723BE Bluetooth devices */ | |
345 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, | |
346 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, | |
347 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, | |
348 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, | |
349 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, | |
350 | ||
351 | /* Additional Realtek 8821AE Bluetooth devices */ | |
352 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, | |
353 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, | |
354 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, | |
355 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, | |
356 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, | |
357 | ||
4481c076 PP |
358 | /* Silicon Wave based devices */ |
359 | { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, | |
360 | ||
5e23b923 MH |
361 | { } /* Terminating entry */ |
362 | }; | |
363 | ||
9bfa35fe MH |
364 | #define BTUSB_MAX_ISOC_FRAMES 10 |
365 | ||
5e23b923 MH |
366 | #define BTUSB_INTR_RUNNING 0 |
367 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 368 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 369 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 370 | #define BTUSB_DID_ISO_RESUME 4 |
cda0dd78 MH |
371 | #define BTUSB_BOOTLOADER 5 |
372 | #define BTUSB_DOWNLOADING 6 | |
ce6bb929 | 373 | #define BTUSB_FIRMWARE_LOADED 7 |
cda0dd78 | 374 | #define BTUSB_FIRMWARE_FAILED 8 |
ce6bb929 | 375 | #define BTUSB_BOOTING 9 |
04b8c814 | 376 | #define BTUSB_RESET_RESUME 10 |
9d08f504 | 377 | #define BTUSB_DIAG_RUNNING 11 |
fd913ef7 | 378 | #define BTUSB_OOB_WAKE_ENABLED 12 |
5e23b923 MH |
379 | |
380 | struct btusb_data { | |
381 | struct hci_dev *hdev; | |
382 | struct usb_device *udev; | |
5fbcd260 | 383 | struct usb_interface *intf; |
9bfa35fe | 384 | struct usb_interface *isoc; |
9d08f504 | 385 | struct usb_interface *diag; |
5e23b923 | 386 | |
5e23b923 MH |
387 | unsigned long flags; |
388 | ||
389 | struct work_struct work; | |
7bee549e | 390 | struct work_struct waker; |
5e23b923 | 391 | |
803b5836 | 392 | struct usb_anchor deferred; |
5e23b923 | 393 | struct usb_anchor tx_anchor; |
803b5836 MH |
394 | int tx_in_flight; |
395 | spinlock_t txlock; | |
396 | ||
5e23b923 MH |
397 | struct usb_anchor intr_anchor; |
398 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 399 | struct usb_anchor isoc_anchor; |
9d08f504 | 400 | struct usb_anchor diag_anchor; |
803b5836 MH |
401 | spinlock_t rxlock; |
402 | ||
403 | struct sk_buff *evt_skb; | |
404 | struct sk_buff *acl_skb; | |
405 | struct sk_buff *sco_skb; | |
5e23b923 MH |
406 | |
407 | struct usb_endpoint_descriptor *intr_ep; | |
408 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
409 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
410 | struct usb_endpoint_descriptor *isoc_tx_ep; |
411 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
9d08f504 MH |
412 | struct usb_endpoint_descriptor *diag_tx_ep; |
413 | struct usb_endpoint_descriptor *diag_rx_ep; | |
9bfa35fe | 414 | |
7a9d4020 | 415 | __u8 cmdreq_type; |
893ba544 | 416 | __u8 cmdreq; |
7a9d4020 | 417 | |
43c2e57f | 418 | unsigned int sco_num; |
9bfa35fe | 419 | int isoc_altsetting; |
6a88adf2 | 420 | int suspend_count; |
2cbd3f5c | 421 | |
97307f51 | 422 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
2cbd3f5c | 423 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
ace31982 KBYT |
424 | |
425 | int (*setup_on_usb)(struct hci_dev *hdev); | |
fd913ef7 RJ |
426 | |
427 | int oob_wake_irq; /* irq for out-of-band wake-on-bt */ | |
5e23b923 MH |
428 | }; |
429 | ||
803b5836 MH |
430 | static inline void btusb_free_frags(struct btusb_data *data) |
431 | { | |
432 | unsigned long flags; | |
433 | ||
434 | spin_lock_irqsave(&data->rxlock, flags); | |
435 | ||
436 | kfree_skb(data->evt_skb); | |
437 | data->evt_skb = NULL; | |
438 | ||
439 | kfree_skb(data->acl_skb); | |
440 | data->acl_skb = NULL; | |
441 | ||
442 | kfree_skb(data->sco_skb); | |
443 | data->sco_skb = NULL; | |
444 | ||
445 | spin_unlock_irqrestore(&data->rxlock, flags); | |
446 | } | |
447 | ||
1ffa4ad0 MH |
448 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
449 | { | |
803b5836 MH |
450 | struct sk_buff *skb; |
451 | int err = 0; | |
452 | ||
453 | spin_lock(&data->rxlock); | |
454 | skb = data->evt_skb; | |
455 | ||
456 | while (count) { | |
457 | int len; | |
458 | ||
459 | if (!skb) { | |
460 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
461 | if (!skb) { | |
462 | err = -ENOMEM; | |
463 | break; | |
464 | } | |
465 | ||
618e8bc2 MH |
466 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
467 | hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; | |
803b5836 MH |
468 | } |
469 | ||
618e8bc2 | 470 | len = min_t(uint, hci_skb_expect(skb), count); |
803b5836 MH |
471 | memcpy(skb_put(skb, len), buffer, len); |
472 | ||
473 | count -= len; | |
474 | buffer += len; | |
618e8bc2 | 475 | hci_skb_expect(skb) -= len; |
803b5836 MH |
476 | |
477 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
478 | /* Complete event header */ | |
618e8bc2 | 479 | hci_skb_expect(skb) = hci_event_hdr(skb)->plen; |
803b5836 | 480 | |
618e8bc2 | 481 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
482 | kfree_skb(skb); |
483 | skb = NULL; | |
484 | ||
485 | err = -EILSEQ; | |
486 | break; | |
487 | } | |
488 | } | |
489 | ||
618e8bc2 | 490 | if (!hci_skb_expect(skb)) { |
803b5836 | 491 | /* Complete frame */ |
97307f51 | 492 | data->recv_event(data->hdev, skb); |
803b5836 MH |
493 | skb = NULL; |
494 | } | |
495 | } | |
496 | ||
497 | data->evt_skb = skb; | |
498 | spin_unlock(&data->rxlock); | |
499 | ||
500 | return err; | |
1ffa4ad0 MH |
501 | } |
502 | ||
503 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
504 | { | |
803b5836 MH |
505 | struct sk_buff *skb; |
506 | int err = 0; | |
507 | ||
508 | spin_lock(&data->rxlock); | |
509 | skb = data->acl_skb; | |
510 | ||
511 | while (count) { | |
512 | int len; | |
513 | ||
514 | if (!skb) { | |
515 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
516 | if (!skb) { | |
517 | err = -ENOMEM; | |
518 | break; | |
519 | } | |
520 | ||
618e8bc2 MH |
521 | hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; |
522 | hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; | |
803b5836 MH |
523 | } |
524 | ||
618e8bc2 | 525 | len = min_t(uint, hci_skb_expect(skb), count); |
803b5836 MH |
526 | memcpy(skb_put(skb, len), buffer, len); |
527 | ||
528 | count -= len; | |
529 | buffer += len; | |
618e8bc2 | 530 | hci_skb_expect(skb) -= len; |
803b5836 MH |
531 | |
532 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
533 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
534 | ||
535 | /* Complete ACL header */ | |
618e8bc2 | 536 | hci_skb_expect(skb) = __le16_to_cpu(dlen); |
803b5836 | 537 | |
618e8bc2 | 538 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
539 | kfree_skb(skb); |
540 | skb = NULL; | |
541 | ||
542 | err = -EILSEQ; | |
543 | break; | |
544 | } | |
545 | } | |
546 | ||
618e8bc2 | 547 | if (!hci_skb_expect(skb)) { |
803b5836 MH |
548 | /* Complete frame */ |
549 | hci_recv_frame(data->hdev, skb); | |
550 | skb = NULL; | |
551 | } | |
552 | } | |
553 | ||
554 | data->acl_skb = skb; | |
555 | spin_unlock(&data->rxlock); | |
556 | ||
557 | return err; | |
1ffa4ad0 MH |
558 | } |
559 | ||
560 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
561 | { | |
803b5836 MH |
562 | struct sk_buff *skb; |
563 | int err = 0; | |
564 | ||
565 | spin_lock(&data->rxlock); | |
566 | skb = data->sco_skb; | |
567 | ||
568 | while (count) { | |
569 | int len; | |
570 | ||
571 | if (!skb) { | |
572 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
573 | if (!skb) { | |
574 | err = -ENOMEM; | |
575 | break; | |
576 | } | |
577 | ||
618e8bc2 MH |
578 | hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; |
579 | hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; | |
803b5836 MH |
580 | } |
581 | ||
618e8bc2 | 582 | len = min_t(uint, hci_skb_expect(skb), count); |
803b5836 MH |
583 | memcpy(skb_put(skb, len), buffer, len); |
584 | ||
585 | count -= len; | |
586 | buffer += len; | |
618e8bc2 | 587 | hci_skb_expect(skb) -= len; |
803b5836 MH |
588 | |
589 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
590 | /* Complete SCO header */ | |
618e8bc2 | 591 | hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen; |
803b5836 | 592 | |
618e8bc2 | 593 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
594 | kfree_skb(skb); |
595 | skb = NULL; | |
596 | ||
597 | err = -EILSEQ; | |
598 | break; | |
599 | } | |
600 | } | |
601 | ||
618e8bc2 | 602 | if (!hci_skb_expect(skb)) { |
803b5836 MH |
603 | /* Complete frame */ |
604 | hci_recv_frame(data->hdev, skb); | |
605 | skb = NULL; | |
606 | } | |
607 | } | |
608 | ||
609 | data->sco_skb = skb; | |
610 | spin_unlock(&data->rxlock); | |
611 | ||
612 | return err; | |
1ffa4ad0 MH |
613 | } |
614 | ||
5e23b923 MH |
615 | static void btusb_intr_complete(struct urb *urb) |
616 | { | |
617 | struct hci_dev *hdev = urb->context; | |
155961e8 | 618 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
619 | int err; |
620 | ||
89e7533d MH |
621 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
622 | urb->actual_length); | |
5e23b923 MH |
623 | |
624 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
625 | return; | |
626 | ||
627 | if (urb->status == 0) { | |
9bfa35fe MH |
628 | hdev->stat.byte_rx += urb->actual_length; |
629 | ||
1ffa4ad0 MH |
630 | if (btusb_recv_intr(data, urb->transfer_buffer, |
631 | urb->actual_length) < 0) { | |
5e23b923 MH |
632 | BT_ERR("%s corrupted event packet", hdev->name); |
633 | hdev->stat.err_rx++; | |
634 | } | |
85560c4a CC |
635 | } else if (urb->status == -ENOENT) { |
636 | /* Avoid suspend failed when usb_kill_urb */ | |
637 | return; | |
5e23b923 MH |
638 | } |
639 | ||
640 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
641 | return; | |
642 | ||
7bee549e | 643 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
644 | usb_anchor_urb(urb, &data->intr_anchor); |
645 | ||
646 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
647 | if (err < 0) { | |
4935f1c1 PB |
648 | /* -EPERM: urb is being killed; |
649 | * -ENODEV: device got disconnected */ | |
650 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 651 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 652 | hdev->name, urb, -err); |
5e23b923 MH |
653 | usb_unanchor_urb(urb); |
654 | } | |
655 | } | |
656 | ||
2eda66f4 | 657 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 658 | { |
155961e8 | 659 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
660 | struct urb *urb; |
661 | unsigned char *buf; | |
662 | unsigned int pipe; | |
663 | int err, size; | |
664 | ||
665 | BT_DBG("%s", hdev->name); | |
666 | ||
9bfa35fe MH |
667 | if (!data->intr_ep) |
668 | return -ENODEV; | |
669 | ||
2eda66f4 | 670 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
671 | if (!urb) |
672 | return -ENOMEM; | |
673 | ||
674 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
675 | ||
2eda66f4 | 676 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
677 | if (!buf) { |
678 | usb_free_urb(urb); | |
679 | return -ENOMEM; | |
680 | } | |
681 | ||
682 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
683 | ||
684 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 685 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
686 | |
687 | urb->transfer_flags |= URB_FREE_BUFFER; | |
688 | ||
689 | usb_anchor_urb(urb, &data->intr_anchor); | |
690 | ||
2eda66f4 | 691 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 692 | if (err < 0) { |
d4b8d1c9 PB |
693 | if (err != -EPERM && err != -ENODEV) |
694 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 695 | hdev->name, urb, -err); |
5e23b923 | 696 | usb_unanchor_urb(urb); |
5e23b923 MH |
697 | } |
698 | ||
699 | usb_free_urb(urb); | |
700 | ||
701 | return err; | |
702 | } | |
703 | ||
704 | static void btusb_bulk_complete(struct urb *urb) | |
705 | { | |
706 | struct hci_dev *hdev = urb->context; | |
155961e8 | 707 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
708 | int err; |
709 | ||
89e7533d MH |
710 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
711 | urb->actual_length); | |
5e23b923 MH |
712 | |
713 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
714 | return; | |
715 | ||
716 | if (urb->status == 0) { | |
9bfa35fe MH |
717 | hdev->stat.byte_rx += urb->actual_length; |
718 | ||
2cbd3f5c | 719 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 720 | urb->actual_length) < 0) { |
5e23b923 MH |
721 | BT_ERR("%s corrupted ACL packet", hdev->name); |
722 | hdev->stat.err_rx++; | |
723 | } | |
85560c4a CC |
724 | } else if (urb->status == -ENOENT) { |
725 | /* Avoid suspend failed when usb_kill_urb */ | |
726 | return; | |
5e23b923 MH |
727 | } |
728 | ||
729 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
730 | return; | |
731 | ||
732 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 733 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
734 | |
735 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
736 | if (err < 0) { | |
4935f1c1 PB |
737 | /* -EPERM: urb is being killed; |
738 | * -ENODEV: device got disconnected */ | |
739 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 740 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 741 | hdev->name, urb, -err); |
5e23b923 MH |
742 | usb_unanchor_urb(urb); |
743 | } | |
744 | } | |
745 | ||
2eda66f4 | 746 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 747 | { |
155961e8 | 748 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
749 | struct urb *urb; |
750 | unsigned char *buf; | |
751 | unsigned int pipe; | |
290ba200 | 752 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
753 | |
754 | BT_DBG("%s", hdev->name); | |
755 | ||
9bfa35fe MH |
756 | if (!data->bulk_rx_ep) |
757 | return -ENODEV; | |
758 | ||
2eda66f4 | 759 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
760 | if (!urb) |
761 | return -ENOMEM; | |
762 | ||
2eda66f4 | 763 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
764 | if (!buf) { |
765 | usb_free_urb(urb); | |
766 | return -ENOMEM; | |
767 | } | |
768 | ||
769 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
770 | ||
89e7533d MH |
771 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
772 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
773 | |
774 | urb->transfer_flags |= URB_FREE_BUFFER; | |
775 | ||
7bee549e | 776 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
777 | usb_anchor_urb(urb, &data->bulk_anchor); |
778 | ||
2eda66f4 | 779 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 780 | if (err < 0) { |
d4b8d1c9 PB |
781 | if (err != -EPERM && err != -ENODEV) |
782 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 783 | hdev->name, urb, -err); |
5e23b923 | 784 | usb_unanchor_urb(urb); |
5e23b923 MH |
785 | } |
786 | ||
787 | usb_free_urb(urb); | |
788 | ||
789 | return err; | |
790 | } | |
791 | ||
9bfa35fe MH |
792 | static void btusb_isoc_complete(struct urb *urb) |
793 | { | |
794 | struct hci_dev *hdev = urb->context; | |
155961e8 | 795 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
796 | int i, err; |
797 | ||
89e7533d MH |
798 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
799 | urb->actual_length); | |
9bfa35fe MH |
800 | |
801 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
802 | return; | |
803 | ||
804 | if (urb->status == 0) { | |
805 | for (i = 0; i < urb->number_of_packets; i++) { | |
806 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
807 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
808 | ||
809 | if (urb->iso_frame_desc[i].status) | |
810 | continue; | |
811 | ||
812 | hdev->stat.byte_rx += length; | |
813 | ||
1ffa4ad0 MH |
814 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
815 | length) < 0) { | |
9bfa35fe MH |
816 | BT_ERR("%s corrupted SCO packet", hdev->name); |
817 | hdev->stat.err_rx++; | |
818 | } | |
819 | } | |
85560c4a CC |
820 | } else if (urb->status == -ENOENT) { |
821 | /* Avoid suspend failed when usb_kill_urb */ | |
822 | return; | |
9bfa35fe MH |
823 | } |
824 | ||
825 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
826 | return; | |
827 | ||
828 | usb_anchor_urb(urb, &data->isoc_anchor); | |
829 | ||
830 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
831 | if (err < 0) { | |
4935f1c1 PB |
832 | /* -EPERM: urb is being killed; |
833 | * -ENODEV: device got disconnected */ | |
834 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 835 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 836 | hdev->name, urb, -err); |
9bfa35fe MH |
837 | usb_unanchor_urb(urb); |
838 | } | |
839 | } | |
840 | ||
42b16b3f | 841 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
842 | { |
843 | int i, offset = 0; | |
844 | ||
845 | BT_DBG("len %d mtu %d", len, mtu); | |
846 | ||
847 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
848 | i++, offset += mtu, len -= mtu) { | |
849 | urb->iso_frame_desc[i].offset = offset; | |
850 | urb->iso_frame_desc[i].length = mtu; | |
851 | } | |
852 | ||
853 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
854 | urb->iso_frame_desc[i].offset = offset; | |
855 | urb->iso_frame_desc[i].length = len; | |
856 | i++; | |
857 | } | |
858 | ||
859 | urb->number_of_packets = i; | |
860 | } | |
861 | ||
2eda66f4 | 862 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 863 | { |
155961e8 | 864 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
865 | struct urb *urb; |
866 | unsigned char *buf; | |
867 | unsigned int pipe; | |
868 | int err, size; | |
869 | ||
870 | BT_DBG("%s", hdev->name); | |
871 | ||
872 | if (!data->isoc_rx_ep) | |
873 | return -ENODEV; | |
874 | ||
2eda66f4 | 875 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
876 | if (!urb) |
877 | return -ENOMEM; | |
878 | ||
879 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
880 | BTUSB_MAX_ISOC_FRAMES; | |
881 | ||
2eda66f4 | 882 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
883 | if (!buf) { |
884 | usb_free_urb(urb); | |
885 | return -ENOMEM; | |
886 | } | |
887 | ||
888 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
889 | ||
fa0fb93f | 890 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 891 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 892 | |
89e7533d | 893 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
894 | |
895 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 896 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
897 | |
898 | usb_anchor_urb(urb, &data->isoc_anchor); | |
899 | ||
2eda66f4 | 900 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 901 | if (err < 0) { |
d4b8d1c9 PB |
902 | if (err != -EPERM && err != -ENODEV) |
903 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 904 | hdev->name, urb, -err); |
9bfa35fe | 905 | usb_unanchor_urb(urb); |
9bfa35fe MH |
906 | } |
907 | ||
908 | usb_free_urb(urb); | |
909 | ||
910 | return err; | |
911 | } | |
912 | ||
9d08f504 MH |
913 | static void btusb_diag_complete(struct urb *urb) |
914 | { | |
915 | struct hci_dev *hdev = urb->context; | |
916 | struct btusb_data *data = hci_get_drvdata(hdev); | |
917 | int err; | |
918 | ||
919 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, | |
920 | urb->actual_length); | |
921 | ||
922 | if (urb->status == 0) { | |
923 | struct sk_buff *skb; | |
924 | ||
925 | skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC); | |
926 | if (skb) { | |
927 | memcpy(skb_put(skb, urb->actual_length), | |
928 | urb->transfer_buffer, urb->actual_length); | |
929 | hci_recv_diag(hdev, skb); | |
930 | } | |
931 | } else if (urb->status == -ENOENT) { | |
932 | /* Avoid suspend failed when usb_kill_urb */ | |
933 | return; | |
934 | } | |
935 | ||
936 | if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) | |
937 | return; | |
938 | ||
939 | usb_anchor_urb(urb, &data->diag_anchor); | |
940 | usb_mark_last_busy(data->udev); | |
941 | ||
942 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
943 | if (err < 0) { | |
944 | /* -EPERM: urb is being killed; | |
945 | * -ENODEV: device got disconnected */ | |
946 | if (err != -EPERM && err != -ENODEV) | |
947 | BT_ERR("%s urb %p failed to resubmit (%d)", | |
948 | hdev->name, urb, -err); | |
949 | usb_unanchor_urb(urb); | |
950 | } | |
951 | } | |
952 | ||
953 | static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) | |
954 | { | |
955 | struct btusb_data *data = hci_get_drvdata(hdev); | |
956 | struct urb *urb; | |
957 | unsigned char *buf; | |
958 | unsigned int pipe; | |
959 | int err, size = HCI_MAX_FRAME_SIZE; | |
960 | ||
961 | BT_DBG("%s", hdev->name); | |
962 | ||
963 | if (!data->diag_rx_ep) | |
964 | return -ENODEV; | |
965 | ||
966 | urb = usb_alloc_urb(0, mem_flags); | |
967 | if (!urb) | |
968 | return -ENOMEM; | |
969 | ||
970 | buf = kmalloc(size, mem_flags); | |
971 | if (!buf) { | |
972 | usb_free_urb(urb); | |
973 | return -ENOMEM; | |
974 | } | |
975 | ||
976 | pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); | |
977 | ||
978 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, | |
979 | btusb_diag_complete, hdev); | |
980 | ||
981 | urb->transfer_flags |= URB_FREE_BUFFER; | |
982 | ||
983 | usb_mark_last_busy(data->udev); | |
984 | usb_anchor_urb(urb, &data->diag_anchor); | |
985 | ||
986 | err = usb_submit_urb(urb, mem_flags); | |
987 | if (err < 0) { | |
988 | if (err != -EPERM && err != -ENODEV) | |
989 | BT_ERR("%s urb %p submission failed (%d)", | |
990 | hdev->name, urb, -err); | |
991 | usb_unanchor_urb(urb); | |
992 | } | |
993 | ||
994 | usb_free_urb(urb); | |
995 | ||
996 | return err; | |
997 | } | |
998 | ||
5e23b923 | 999 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
1000 | { |
1001 | struct sk_buff *skb = urb->context; | |
89e7533d | 1002 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 1003 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 1004 | |
89e7533d MH |
1005 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
1006 | urb->actual_length); | |
7bee549e ON |
1007 | |
1008 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1009 | goto done; | |
1010 | ||
1011 | if (!urb->status) | |
1012 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1013 | else | |
1014 | hdev->stat.err_tx++; | |
1015 | ||
1016 | done: | |
1017 | spin_lock(&data->txlock); | |
1018 | data->tx_in_flight--; | |
1019 | spin_unlock(&data->txlock); | |
1020 | ||
1021 | kfree(urb->setup_packet); | |
1022 | ||
1023 | kfree_skb(skb); | |
1024 | } | |
1025 | ||
1026 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
1027 | { |
1028 | struct sk_buff *skb = urb->context; | |
89e7533d | 1029 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 1030 | |
89e7533d MH |
1031 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
1032 | urb->actual_length); | |
5e23b923 MH |
1033 | |
1034 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1035 | goto done; | |
1036 | ||
1037 | if (!urb->status) | |
1038 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1039 | else | |
1040 | hdev->stat.err_tx++; | |
1041 | ||
1042 | done: | |
1043 | kfree(urb->setup_packet); | |
1044 | ||
1045 | kfree_skb(skb); | |
1046 | } | |
1047 | ||
1048 | static int btusb_open(struct hci_dev *hdev) | |
1049 | { | |
155961e8 | 1050 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1051 | int err; |
1052 | ||
1053 | BT_DBG("%s", hdev->name); | |
1054 | ||
c7e163fe EH |
1055 | err = usb_autopm_get_interface(data->intf); |
1056 | if (err < 0) | |
1057 | return err; | |
1058 | ||
ace31982 KBYT |
1059 | /* Patching USB firmware files prior to starting any URBs of HCI path |
1060 | * It is more safe to use USB bulk channel for downloading USB patch | |
1061 | */ | |
1062 | if (data->setup_on_usb) { | |
1063 | err = data->setup_on_usb(hdev); | |
eb50042f | 1064 | if (err < 0) |
ace31982 KBYT |
1065 | return err; |
1066 | } | |
1067 | ||
7bee549e ON |
1068 | data->intf->needs_remote_wakeup = 1; |
1069 | ||
5e23b923 | 1070 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
7bee549e | 1071 | goto done; |
5e23b923 | 1072 | |
2eda66f4 | 1073 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
1074 | if (err < 0) |
1075 | goto failed; | |
1076 | ||
1077 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 1078 | if (err < 0) { |
43c2e57f MH |
1079 | usb_kill_anchored_urbs(&data->intr_anchor); |
1080 | goto failed; | |
5e23b923 MH |
1081 | } |
1082 | ||
43c2e57f MH |
1083 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
1084 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
1085 | ||
9d08f504 MH |
1086 | if (data->diag) { |
1087 | if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) | |
1088 | set_bit(BTUSB_DIAG_RUNNING, &data->flags); | |
1089 | } | |
1090 | ||
7bee549e ON |
1091 | done: |
1092 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
1093 | return 0; |
1094 | ||
1095 | failed: | |
1096 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1097 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
1098 | return err; |
1099 | } | |
1100 | ||
7bee549e ON |
1101 | static void btusb_stop_traffic(struct btusb_data *data) |
1102 | { | |
1103 | usb_kill_anchored_urbs(&data->intr_anchor); | |
1104 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
1105 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
9d08f504 | 1106 | usb_kill_anchored_urbs(&data->diag_anchor); |
7bee549e ON |
1107 | } |
1108 | ||
5e23b923 MH |
1109 | static int btusb_close(struct hci_dev *hdev) |
1110 | { | |
155961e8 | 1111 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 1112 | int err; |
5e23b923 MH |
1113 | |
1114 | BT_DBG("%s", hdev->name); | |
1115 | ||
e8c3c3d2 | 1116 | cancel_work_sync(&data->work); |
404291ac | 1117 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 1118 | |
9bfa35fe | 1119 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 1120 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 1121 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
9d08f504 | 1122 | clear_bit(BTUSB_DIAG_RUNNING, &data->flags); |
7bee549e ON |
1123 | |
1124 | btusb_stop_traffic(data); | |
803b5836 MH |
1125 | btusb_free_frags(data); |
1126 | ||
7bee549e ON |
1127 | err = usb_autopm_get_interface(data->intf); |
1128 | if (err < 0) | |
7b8e2c1d | 1129 | goto failed; |
7bee549e ON |
1130 | |
1131 | data->intf->needs_remote_wakeup = 0; | |
1132 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 1133 | |
7b8e2c1d ON |
1134 | failed: |
1135 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
1136 | return 0; |
1137 | } | |
1138 | ||
1139 | static int btusb_flush(struct hci_dev *hdev) | |
1140 | { | |
155961e8 | 1141 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1142 | |
1143 | BT_DBG("%s", hdev->name); | |
1144 | ||
1145 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 1146 | btusb_free_frags(data); |
5e23b923 MH |
1147 | |
1148 | return 0; | |
1149 | } | |
1150 | ||
047b2ec8 | 1151 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 1152 | { |
155961e8 | 1153 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1154 | struct usb_ctrlrequest *dr; |
1155 | struct urb *urb; | |
1156 | unsigned int pipe; | |
5e23b923 | 1157 | |
047b2ec8 MH |
1158 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1159 | if (!urb) | |
1160 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1161 | |
047b2ec8 MH |
1162 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
1163 | if (!dr) { | |
1164 | usb_free_urb(urb); | |
1165 | return ERR_PTR(-ENOMEM); | |
1166 | } | |
5e23b923 | 1167 | |
047b2ec8 | 1168 | dr->bRequestType = data->cmdreq_type; |
893ba544 | 1169 | dr->bRequest = data->cmdreq; |
047b2ec8 MH |
1170 | dr->wIndex = 0; |
1171 | dr->wValue = 0; | |
1172 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 1173 | |
047b2ec8 | 1174 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 1175 | |
89e7533d | 1176 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 1177 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 1178 | |
89e7533d | 1179 | skb->dev = (void *)hdev; |
5e23b923 | 1180 | |
047b2ec8 MH |
1181 | return urb; |
1182 | } | |
5e23b923 | 1183 | |
047b2ec8 MH |
1184 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1185 | { | |
1186 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1187 | struct urb *urb; | |
1188 | unsigned int pipe; | |
5e23b923 | 1189 | |
047b2ec8 MH |
1190 | if (!data->bulk_tx_ep) |
1191 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1192 | |
047b2ec8 MH |
1193 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1194 | if (!urb) | |
1195 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1196 | |
047b2ec8 | 1197 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 1198 | |
047b2ec8 MH |
1199 | usb_fill_bulk_urb(urb, data->udev, pipe, |
1200 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 1201 | |
89e7533d | 1202 | skb->dev = (void *)hdev; |
5e23b923 | 1203 | |
047b2ec8 MH |
1204 | return urb; |
1205 | } | |
9bfa35fe | 1206 | |
047b2ec8 MH |
1207 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1208 | { | |
1209 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1210 | struct urb *urb; | |
1211 | unsigned int pipe; | |
9bfa35fe | 1212 | |
047b2ec8 MH |
1213 | if (!data->isoc_tx_ep) |
1214 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1215 | |
047b2ec8 MH |
1216 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1217 | if (!urb) | |
1218 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1219 | |
047b2ec8 | 1220 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1221 | |
047b2ec8 MH |
1222 | usb_fill_int_urb(urb, data->udev, pipe, |
1223 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1224 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1225 | |
047b2ec8 | 1226 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1227 | |
047b2ec8 MH |
1228 | __fill_isoc_descriptor(urb, skb->len, |
1229 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1230 | |
89e7533d | 1231 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1232 | |
1233 | return urb; | |
1234 | } | |
1235 | ||
1236 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1237 | { | |
1238 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1239 | int err; | |
7bee549e | 1240 | |
5e23b923 MH |
1241 | usb_anchor_urb(urb, &data->tx_anchor); |
1242 | ||
e9753eff | 1243 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1244 | if (err < 0) { |
5a9b80e2 PB |
1245 | if (err != -EPERM && err != -ENODEV) |
1246 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 1247 | hdev->name, urb, -err); |
5e23b923 MH |
1248 | kfree(urb->setup_packet); |
1249 | usb_unanchor_urb(urb); | |
7bee549e ON |
1250 | } else { |
1251 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1252 | } |
1253 | ||
54a8a79c | 1254 | usb_free_urb(urb); |
5e23b923 MH |
1255 | return err; |
1256 | } | |
1257 | ||
047b2ec8 MH |
1258 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1259 | { | |
1260 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1261 | unsigned long flags; | |
1262 | bool suspending; | |
1263 | ||
1264 | spin_lock_irqsave(&data->txlock, flags); | |
1265 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1266 | if (!suspending) | |
1267 | data->tx_in_flight++; | |
1268 | spin_unlock_irqrestore(&data->txlock, flags); | |
1269 | ||
1270 | if (!suspending) | |
1271 | return submit_tx_urb(hdev, urb); | |
1272 | ||
1273 | usb_anchor_urb(urb, &data->deferred); | |
1274 | schedule_work(&data->waker); | |
1275 | ||
1276 | usb_free_urb(urb); | |
1277 | return 0; | |
1278 | } | |
1279 | ||
1280 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1281 | { | |
1282 | struct urb *urb; | |
1283 | ||
1284 | BT_DBG("%s", hdev->name); | |
1285 | ||
618e8bc2 | 1286 | switch (hci_skb_pkt_type(skb)) { |
047b2ec8 MH |
1287 | case HCI_COMMAND_PKT: |
1288 | urb = alloc_ctrl_urb(hdev, skb); | |
1289 | if (IS_ERR(urb)) | |
1290 | return PTR_ERR(urb); | |
1291 | ||
1292 | hdev->stat.cmd_tx++; | |
1293 | return submit_or_queue_tx_urb(hdev, urb); | |
1294 | ||
1295 | case HCI_ACLDATA_PKT: | |
1296 | urb = alloc_bulk_urb(hdev, skb); | |
1297 | if (IS_ERR(urb)) | |
1298 | return PTR_ERR(urb); | |
1299 | ||
1300 | hdev->stat.acl_tx++; | |
1301 | return submit_or_queue_tx_urb(hdev, urb); | |
1302 | ||
1303 | case HCI_SCODATA_PKT: | |
1304 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1305 | return -ENODEV; | |
1306 | ||
1307 | urb = alloc_isoc_urb(hdev, skb); | |
1308 | if (IS_ERR(urb)) | |
1309 | return PTR_ERR(urb); | |
1310 | ||
1311 | hdev->stat.sco_tx++; | |
1312 | return submit_tx_urb(hdev, urb); | |
1313 | } | |
1314 | ||
1315 | return -EILSEQ; | |
1316 | } | |
1317 | ||
5e23b923 MH |
1318 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1319 | { | |
155961e8 | 1320 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1321 | |
1322 | BT_DBG("%s evt %d", hdev->name, evt); | |
1323 | ||
014f7bc7 MH |
1324 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1325 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1326 | schedule_work(&data->work); |
a780efa8 | 1327 | } |
5e23b923 MH |
1328 | } |
1329 | ||
42b16b3f | 1330 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1331 | { |
155961e8 | 1332 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1333 | struct usb_interface *intf = data->isoc; |
1334 | struct usb_endpoint_descriptor *ep_desc; | |
1335 | int i, err; | |
1336 | ||
1337 | if (!data->isoc) | |
1338 | return -ENODEV; | |
1339 | ||
1340 | err = usb_set_interface(data->udev, 1, altsetting); | |
1341 | if (err < 0) { | |
1342 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
1343 | return err; | |
1344 | } | |
1345 | ||
1346 | data->isoc_altsetting = altsetting; | |
1347 | ||
1348 | data->isoc_tx_ep = NULL; | |
1349 | data->isoc_rx_ep = NULL; | |
1350 | ||
1351 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1352 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1353 | ||
1354 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1355 | data->isoc_tx_ep = ep_desc; | |
1356 | continue; | |
1357 | } | |
1358 | ||
1359 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1360 | data->isoc_rx_ep = ep_desc; | |
1361 | continue; | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
1366 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
1367 | return -ENODEV; | |
1368 | } | |
1369 | ||
1370 | return 0; | |
1371 | } | |
1372 | ||
5e23b923 MH |
1373 | static void btusb_work(struct work_struct *work) |
1374 | { | |
1375 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1376 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1377 | int new_alts; |
7bee549e | 1378 | int err; |
5e23b923 | 1379 | |
014f7bc7 | 1380 | if (data->sco_num > 0) { |
08b8b6c4 | 1381 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1382 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1383 | if (err < 0) { |
1384 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1385 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1386 | return; | |
1387 | } | |
1388 | ||
08b8b6c4 | 1389 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1390 | } |
f4001d28 MA |
1391 | |
1392 | if (hdev->voice_setting & 0x0020) { | |
1393 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1394 | |
014f7bc7 | 1395 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1396 | } else { |
014f7bc7 | 1397 | new_alts = data->sco_num; |
f4001d28 MA |
1398 | } |
1399 | ||
1400 | if (data->isoc_altsetting != new_alts) { | |
f6fc86f2 KP |
1401 | unsigned long flags; |
1402 | ||
9bfa35fe MH |
1403 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1404 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1405 | ||
8f9d02f4 KP |
1406 | /* When isochronous alternate setting needs to be |
1407 | * changed, because SCO connection has been added | |
1408 | * or removed, a packet fragment may be left in the | |
1409 | * reassembling state. This could lead to wrongly | |
1410 | * assembled fragments. | |
1411 | * | |
1412 | * Clear outstanding fragment when selecting a new | |
1413 | * alternate setting. | |
1414 | */ | |
f6fc86f2 | 1415 | spin_lock_irqsave(&data->rxlock, flags); |
8f9d02f4 KP |
1416 | kfree_skb(data->sco_skb); |
1417 | data->sco_skb = NULL; | |
f6fc86f2 | 1418 | spin_unlock_irqrestore(&data->rxlock, flags); |
8f9d02f4 | 1419 | |
f4001d28 | 1420 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1421 | return; |
1422 | } | |
1423 | ||
1424 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1425 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1426 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1427 | else | |
2eda66f4 | 1428 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1429 | } |
1430 | } else { | |
1431 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1432 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1433 | ||
1434 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1435 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1436 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1437 | } |
1438 | } | |
1439 | ||
7bee549e ON |
1440 | static void btusb_waker(struct work_struct *work) |
1441 | { | |
1442 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1443 | int err; | |
1444 | ||
1445 | err = usb_autopm_get_interface(data->intf); | |
1446 | if (err < 0) | |
1447 | return; | |
1448 | ||
1449 | usb_autopm_put_interface(data->intf); | |
1450 | } | |
1451 | ||
9f8f962c MH |
1452 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1453 | { | |
1454 | struct sk_buff *skb; | |
1455 | u8 val = 0x00; | |
1456 | ||
1457 | BT_DBG("%s", hdev->name); | |
1458 | ||
1459 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1460 | if (IS_ERR(skb)) | |
1461 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
1462 | else | |
1463 | kfree_skb(skb); | |
1464 | ||
1465 | return 0; | |
1466 | } | |
1467 | ||
81cac64b MH |
1468 | static int btusb_setup_csr(struct hci_dev *hdev) |
1469 | { | |
1470 | struct hci_rp_read_local_version *rp; | |
1471 | struct sk_buff *skb; | |
81cac64b MH |
1472 | |
1473 | BT_DBG("%s", hdev->name); | |
1474 | ||
7cd84d72 MH |
1475 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
1476 | HCI_INIT_TIMEOUT); | |
1477 | if (IS_ERR(skb)) { | |
1478 | int err = PTR_ERR(skb); | |
1479 | BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err); | |
1480 | return err; | |
1481 | } | |
1482 | ||
1483 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { | |
1484 | BT_ERR("%s: CSR: Local version length mismatch", hdev->name); | |
1485 | kfree_skb(skb); | |
1486 | return -EIO; | |
1487 | } | |
81cac64b | 1488 | |
89e7533d | 1489 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b | 1490 | |
6cafcd95 JH |
1491 | /* Detect controllers which aren't real CSR ones. */ |
1492 | if (le16_to_cpu(rp->manufacturer) != 10 || | |
1493 | le16_to_cpu(rp->lmp_subver) == 0x0c5c) { | |
9641d343 MH |
1494 | /* Clear the reset quirk since this is not an actual |
1495 | * early Bluetooth 1.1 device from CSR. | |
1496 | */ | |
1497 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
81cac64b | 1498 | |
9641d343 MH |
1499 | /* These fake CSR controllers have all a broken |
1500 | * stored link key handling and so just disable it. | |
1501 | */ | |
1502 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
1503 | } | |
81cac64b MH |
1504 | |
1505 | kfree_skb(skb); | |
1506 | ||
9641d343 | 1507 | return 0; |
81cac64b MH |
1508 | } |
1509 | ||
dffd30ee | 1510 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
89e7533d | 1511 | struct intel_version *ver) |
dffd30ee THJA |
1512 | { |
1513 | const struct firmware *fw; | |
1514 | char fwname[64]; | |
1515 | int ret; | |
1516 | ||
1517 | snprintf(fwname, sizeof(fwname), | |
1518 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1519 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1520 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1521 | ver->fw_build_ww, ver->fw_build_yy); | |
1522 | ||
1523 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1524 | if (ret < 0) { | |
1525 | if (ret == -EINVAL) { | |
1526 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1527 | hdev->name, ret); | |
1528 | return NULL; | |
1529 | } | |
1530 | ||
1531 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1532 | hdev->name, fwname, ret); | |
1533 | ||
1534 | /* If the correct firmware patch file is not found, use the | |
1535 | * default firmware patch file instead | |
1536 | */ | |
1537 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1538 | ver->hw_platform, ver->hw_variant); | |
1539 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1540 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1541 | hdev->name, fwname); | |
1542 | return NULL; | |
1543 | } | |
1544 | } | |
1545 | ||
1546 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1547 | ||
1548 | return fw; | |
1549 | } | |
1550 | ||
1551 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1552 | const struct firmware *fw, | |
1553 | const u8 **fw_ptr, int *disable_patch) | |
1554 | { | |
1555 | struct sk_buff *skb; | |
1556 | struct hci_command_hdr *cmd; | |
1557 | const u8 *cmd_param; | |
1558 | struct hci_event_hdr *evt = NULL; | |
1559 | const u8 *evt_param = NULL; | |
1560 | int remain = fw->size - (*fw_ptr - fw->data); | |
1561 | ||
1562 | /* The first byte indicates the types of the patch command or event. | |
1563 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1564 | * in the current firmware buffer doesn't start with 0x01 or | |
1565 | * the size of remain buffer is smaller than HCI command header, | |
1566 | * the firmware file is corrupted and it should stop the patching | |
1567 | * process. | |
1568 | */ | |
1569 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1570 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1571 | return -EINVAL; | |
1572 | } | |
1573 | (*fw_ptr)++; | |
1574 | remain--; | |
1575 | ||
1576 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1577 | *fw_ptr += sizeof(*cmd); | |
1578 | remain -= sizeof(*cmd); | |
1579 | ||
1580 | /* Ensure that the remain firmware data is long enough than the length | |
1581 | * of command parameter. If not, the firmware file is corrupted. | |
1582 | */ | |
1583 | if (remain < cmd->plen) { | |
1584 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1585 | return -EFAULT; | |
1586 | } | |
1587 | ||
1588 | /* If there is a command that loads a patch in the firmware | |
1589 | * file, then enable the patch upon success, otherwise just | |
1590 | * disable the manufacturer mode, for example patch activation | |
1591 | * is not required when the default firmware patch file is used | |
1592 | * because there are no patch data to load. | |
1593 | */ | |
1594 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1595 | *disable_patch = 0; | |
1596 | ||
1597 | cmd_param = *fw_ptr; | |
1598 | *fw_ptr += cmd->plen; | |
1599 | remain -= cmd->plen; | |
1600 | ||
1601 | /* This reads the expected events when the above command is sent to the | |
1602 | * device. Some vendor commands expects more than one events, for | |
1603 | * example command status event followed by vendor specific event. | |
1604 | * For this case, it only keeps the last expected event. so the command | |
1605 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1606 | * last expected event. | |
1607 | */ | |
1608 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1609 | (*fw_ptr)++; | |
1610 | remain--; | |
1611 | ||
1612 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1613 | *fw_ptr += sizeof(*evt); | |
1614 | remain -= sizeof(*evt); | |
1615 | ||
1616 | if (remain < evt->plen) { | |
1617 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1618 | hdev->name); | |
1619 | return -EFAULT; | |
1620 | } | |
1621 | ||
1622 | evt_param = *fw_ptr; | |
1623 | *fw_ptr += evt->plen; | |
1624 | remain -= evt->plen; | |
1625 | } | |
1626 | ||
1627 | /* Every HCI commands in the firmware file has its correspond event. | |
1628 | * If event is not found or remain is smaller than zero, the firmware | |
1629 | * file is corrupted. | |
1630 | */ | |
1631 | if (!evt || !evt_param || remain < 0) { | |
1632 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1633 | return -EFAULT; | |
1634 | } | |
1635 | ||
1636 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1637 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1638 | if (IS_ERR(skb)) { | |
1639 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1640 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1641 | return PTR_ERR(skb); |
dffd30ee THJA |
1642 | } |
1643 | ||
1644 | /* It ensures that the returned event matches the event data read from | |
1645 | * the firmware file. At fist, it checks the length and then | |
1646 | * the contents of the event. | |
1647 | */ | |
1648 | if (skb->len != evt->plen) { | |
1649 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1650 | le16_to_cpu(cmd->opcode)); | |
1651 | kfree_skb(skb); | |
1652 | return -EFAULT; | |
1653 | } | |
1654 | ||
1655 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1656 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1657 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1658 | kfree_skb(skb); | |
1659 | return -EFAULT; | |
1660 | } | |
1661 | kfree_skb(skb); | |
1662 | ||
1663 | return 0; | |
1664 | } | |
1665 | ||
1666 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1667 | { | |
1668 | struct sk_buff *skb; | |
1669 | const struct firmware *fw; | |
1670 | const u8 *fw_ptr; | |
28dc4b92 | 1671 | int disable_patch, err; |
6c483de1 | 1672 | struct intel_version ver; |
dffd30ee | 1673 | |
dffd30ee THJA |
1674 | BT_DBG("%s", hdev->name); |
1675 | ||
1676 | /* The controller has a bug with the first HCI command sent to it | |
1677 | * returning number of completed commands as zero. This would stall the | |
1678 | * command processing in the Bluetooth core. | |
1679 | * | |
1680 | * As a workaround, send HCI Reset command first which will reset the | |
1681 | * number of completed commands and allow normal command processing | |
1682 | * from now on. | |
1683 | */ | |
1684 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1685 | if (IS_ERR(skb)) { | |
1686 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1687 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1688 | return PTR_ERR(skb); |
dffd30ee THJA |
1689 | } |
1690 | kfree_skb(skb); | |
1691 | ||
1692 | /* Read Intel specific controller version first to allow selection of | |
1693 | * which firmware file to load. | |
1694 | * | |
1695 | * The returned information are hardware variant and revision plus | |
1696 | * firmware variant, revision and build number. | |
1697 | */ | |
6c483de1 LP |
1698 | err = btintel_read_version(hdev, &ver); |
1699 | if (err) | |
1700 | return err; | |
dffd30ee THJA |
1701 | |
1702 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
6c483de1 LP |
1703 | hdev->name, ver.hw_platform, ver.hw_variant, ver.hw_revision, |
1704 | ver.fw_variant, ver.fw_revision, ver.fw_build_num, | |
1705 | ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num); | |
dffd30ee THJA |
1706 | |
1707 | /* fw_patch_num indicates the version of patch the device currently | |
1708 | * have. If there is no patch data in the device, it is always 0x00. | |
5075edae | 1709 | * So, if it is other than 0x00, no need to patch the device again. |
dffd30ee | 1710 | */ |
6c483de1 | 1711 | if (ver.fw_patch_num) { |
dffd30ee | 1712 | BT_INFO("%s: Intel device is already patched. patch num: %02x", |
6c483de1 | 1713 | hdev->name, ver.fw_patch_num); |
213445b2 | 1714 | goto complete; |
dffd30ee THJA |
1715 | } |
1716 | ||
1717 | /* Opens the firmware patch file based on the firmware version read | |
1718 | * from the controller. If it fails to open the matching firmware | |
1719 | * patch file, it tries to open the default firmware patch file. | |
1720 | * If no patch file is found, allow the device to operate without | |
1721 | * a patch. | |
1722 | */ | |
6c483de1 LP |
1723 | fw = btusb_setup_intel_get_fw(hdev, &ver); |
1724 | if (!fw) | |
213445b2 | 1725 | goto complete; |
dffd30ee THJA |
1726 | fw_ptr = fw->data; |
1727 | ||
28dc4b92 | 1728 | /* Enable the manufacturer mode of the controller. |
dffd30ee THJA |
1729 | * Only while this mode is enabled, the driver can download the |
1730 | * firmware patch data and configuration parameters. | |
1731 | */ | |
28dc4b92 LP |
1732 | err = btintel_enter_mfg(hdev); |
1733 | if (err) { | |
dffd30ee | 1734 | release_firmware(fw); |
28dc4b92 | 1735 | return err; |
dffd30ee THJA |
1736 | } |
1737 | ||
dffd30ee THJA |
1738 | disable_patch = 1; |
1739 | ||
1740 | /* The firmware data file consists of list of Intel specific HCI | |
1741 | * commands and its expected events. The first byte indicates the | |
1742 | * type of the message, either HCI command or HCI event. | |
1743 | * | |
1744 | * It reads the command and its expected event from the firmware file, | |
1745 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1746 | * the returned event is compared with the event read from the firmware | |
1747 | * file and it will continue until all the messages are downloaded to | |
1748 | * the controller. | |
1749 | * | |
1750 | * Once the firmware patching is completed successfully, | |
1751 | * the manufacturer mode is disabled with reset and activating the | |
1752 | * downloaded patch. | |
1753 | * | |
1754 | * If the firmware patching fails, the manufacturer mode is | |
1755 | * disabled with reset and deactivating the patch. | |
1756 | * | |
1757 | * If the default patch file is used, no reset is done when disabling | |
1758 | * the manufacturer. | |
1759 | */ | |
1760 | while (fw->size > fw_ptr - fw->data) { | |
1761 | int ret; | |
1762 | ||
1763 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1764 | &disable_patch); | |
1765 | if (ret < 0) | |
1766 | goto exit_mfg_deactivate; | |
1767 | } | |
1768 | ||
1769 | release_firmware(fw); | |
1770 | ||
1771 | if (disable_patch) | |
1772 | goto exit_mfg_disable; | |
1773 | ||
1774 | /* Patching completed successfully and disable the manufacturer mode | |
1775 | * with reset and activate the downloaded firmware patches. | |
1776 | */ | |
28dc4b92 LP |
1777 | err = btintel_exit_mfg(hdev, true, true); |
1778 | if (err) | |
1779 | return err; | |
dffd30ee THJA |
1780 | |
1781 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1782 | hdev->name); | |
1783 | ||
213445b2 | 1784 | goto complete; |
dffd30ee THJA |
1785 | |
1786 | exit_mfg_disable: | |
1787 | /* Disable the manufacturer mode without reset */ | |
28dc4b92 LP |
1788 | err = btintel_exit_mfg(hdev, false, false); |
1789 | if (err) | |
1790 | return err; | |
dffd30ee THJA |
1791 | |
1792 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 | 1793 | |
213445b2 | 1794 | goto complete; |
dffd30ee THJA |
1795 | |
1796 | exit_mfg_deactivate: | |
1797 | release_firmware(fw); | |
1798 | ||
1799 | /* Patching failed. Disable the manufacturer mode with reset and | |
1800 | * deactivate the downloaded firmware patches. | |
1801 | */ | |
28dc4b92 LP |
1802 | err = btintel_exit_mfg(hdev, true, false); |
1803 | if (err) | |
1804 | return err; | |
dffd30ee THJA |
1805 | |
1806 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1807 | hdev->name); | |
1808 | ||
213445b2 MH |
1809 | complete: |
1810 | /* Set the event mask for Intel specific vendor events. This enables | |
1811 | * a few extra events that are useful during general operation. | |
1812 | */ | |
1813 | btintel_set_event_mask_mfg(hdev, false); | |
1814 | ||
4185a0f5 | 1815 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1816 | return 0; |
1817 | } | |
1818 | ||
cda0dd78 MH |
1819 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
1820 | { | |
1821 | struct sk_buff *skb; | |
1822 | struct hci_event_hdr *hdr; | |
1823 | struct hci_ev_cmd_complete *evt; | |
1824 | ||
1825 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC); | |
1826 | if (!skb) | |
1827 | return -ENOMEM; | |
1828 | ||
1829 | hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr)); | |
1830 | hdr->evt = HCI_EV_CMD_COMPLETE; | |
1831 | hdr->plen = sizeof(*evt) + 1; | |
1832 | ||
1833 | evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt)); | |
1834 | evt->ncmd = 0x01; | |
1835 | evt->opcode = cpu_to_le16(opcode); | |
1836 | ||
1837 | *skb_put(skb, 1) = 0x00; | |
1838 | ||
618e8bc2 | 1839 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
cda0dd78 MH |
1840 | |
1841 | return hci_recv_frame(hdev, skb); | |
1842 | } | |
1843 | ||
1844 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
1845 | int count) | |
1846 | { | |
1847 | /* When the device is in bootloader mode, then it can send | |
1848 | * events via the bulk endpoint. These events are treated the | |
1849 | * same way as the ones received from the interrupt endpoint. | |
1850 | */ | |
1851 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) | |
1852 | return btusb_recv_intr(data, buffer, count); | |
1853 | ||
1854 | return btusb_recv_bulk(data, buffer, count); | |
1855 | } | |
1856 | ||
ccd6da2a MH |
1857 | static void btusb_intel_bootup(struct btusb_data *data, const void *ptr, |
1858 | unsigned int len) | |
1859 | { | |
1860 | const struct intel_bootup *evt = ptr; | |
1861 | ||
1862 | if (len != sizeof(*evt)) | |
1863 | return; | |
1864 | ||
1865 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) { | |
1866 | smp_mb__after_atomic(); | |
1867 | wake_up_bit(&data->flags, BTUSB_BOOTING); | |
1868 | } | |
1869 | } | |
1870 | ||
1871 | static void btusb_intel_secure_send_result(struct btusb_data *data, | |
1872 | const void *ptr, unsigned int len) | |
1873 | { | |
1874 | const struct intel_secure_send_result *evt = ptr; | |
1875 | ||
1876 | if (len != sizeof(*evt)) | |
1877 | return; | |
1878 | ||
1879 | if (evt->result) | |
1880 | set_bit(BTUSB_FIRMWARE_FAILED, &data->flags); | |
1881 | ||
1882 | if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) && | |
1883 | test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) { | |
1884 | smp_mb__after_atomic(); | |
1885 | wake_up_bit(&data->flags, BTUSB_DOWNLOADING); | |
1886 | } | |
1887 | } | |
1888 | ||
cda0dd78 MH |
1889 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) |
1890 | { | |
1891 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1892 | ||
1893 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1894 | struct hci_event_hdr *hdr = (void *)skb->data; | |
1895 | ||
ccd6da2a MH |
1896 | if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff && |
1897 | hdr->plen > 0) { | |
1898 | const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1; | |
1899 | unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1; | |
1900 | ||
1901 | switch (skb->data[2]) { | |
1902 | case 0x02: | |
1903 | /* When switching to the operational firmware | |
1904 | * the device sends a vendor specific event | |
1905 | * indicating that the bootup completed. | |
1906 | */ | |
1907 | btusb_intel_bootup(data, ptr, len); | |
1908 | break; | |
1909 | case 0x06: | |
1910 | /* When the firmware loading completes the | |
1911 | * device sends out a vendor specific event | |
1912 | * indicating the result of the firmware | |
1913 | * loading. | |
1914 | */ | |
1915 | btusb_intel_secure_send_result(data, ptr, len); | |
1916 | break; | |
fad70972 | 1917 | } |
cda0dd78 MH |
1918 | } |
1919 | } | |
1920 | ||
1921 | return hci_recv_frame(hdev, skb); | |
1922 | } | |
1923 | ||
1924 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1925 | { | |
1926 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1927 | struct urb *urb; | |
1928 | ||
1929 | BT_DBG("%s", hdev->name); | |
1930 | ||
618e8bc2 | 1931 | switch (hci_skb_pkt_type(skb)) { |
cda0dd78 MH |
1932 | case HCI_COMMAND_PKT: |
1933 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1934 | struct hci_command_hdr *cmd = (void *)skb->data; | |
1935 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
1936 | ||
1937 | /* When in bootloader mode and the command 0xfc09 | |
1938 | * is received, it needs to be send down the | |
1939 | * bulk endpoint. So allocate a bulk URB instead. | |
1940 | */ | |
1941 | if (opcode == 0xfc09) | |
1942 | urb = alloc_bulk_urb(hdev, skb); | |
1943 | else | |
1944 | urb = alloc_ctrl_urb(hdev, skb); | |
1945 | ||
1946 | /* When the 0xfc01 command is issued to boot into | |
1947 | * the operational firmware, it will actually not | |
1948 | * send a command complete event. To keep the flow | |
1949 | * control working inject that event here. | |
1950 | */ | |
1951 | if (opcode == 0xfc01) | |
1952 | inject_cmd_complete(hdev, opcode); | |
1953 | } else { | |
1954 | urb = alloc_ctrl_urb(hdev, skb); | |
1955 | } | |
1956 | if (IS_ERR(urb)) | |
1957 | return PTR_ERR(urb); | |
1958 | ||
1959 | hdev->stat.cmd_tx++; | |
1960 | return submit_or_queue_tx_urb(hdev, urb); | |
1961 | ||
1962 | case HCI_ACLDATA_PKT: | |
1963 | urb = alloc_bulk_urb(hdev, skb); | |
1964 | if (IS_ERR(urb)) | |
1965 | return PTR_ERR(urb); | |
1966 | ||
1967 | hdev->stat.acl_tx++; | |
1968 | return submit_or_queue_tx_urb(hdev, urb); | |
1969 | ||
1970 | case HCI_SCODATA_PKT: | |
1971 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1972 | return -ENODEV; | |
1973 | ||
1974 | urb = alloc_isoc_urb(hdev, skb); | |
1975 | if (IS_ERR(urb)) | |
1976 | return PTR_ERR(urb); | |
1977 | ||
1978 | hdev->stat.sco_tx++; | |
1979 | return submit_tx_urb(hdev, urb); | |
1980 | } | |
1981 | ||
1982 | return -EILSEQ; | |
1983 | } | |
1984 | ||
cda0dd78 MH |
1985 | static int btusb_setup_intel_new(struct hci_dev *hdev) |
1986 | { | |
1987 | static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01, | |
1988 | 0x00, 0x08, 0x04, 0x00 }; | |
1989 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1990 | struct sk_buff *skb; | |
6c483de1 | 1991 | struct intel_version ver; |
cda0dd78 MH |
1992 | struct intel_boot_params *params; |
1993 | const struct firmware *fw; | |
1994 | const u8 *fw_ptr; | |
e66890a9 | 1995 | u32 frag_len; |
cda0dd78 MH |
1996 | char fwname[64]; |
1997 | ktime_t calltime, delta, rettime; | |
1998 | unsigned long long duration; | |
1999 | int err; | |
2000 | ||
2001 | BT_DBG("%s", hdev->name); | |
2002 | ||
2003 | calltime = ktime_get(); | |
2004 | ||
2005 | /* Read the Intel version information to determine if the device | |
2006 | * is in bootloader mode or if it already has operational firmware | |
2007 | * loaded. | |
2008 | */ | |
6c483de1 LP |
2009 | err = btintel_read_version(hdev, &ver); |
2010 | if (err) | |
2011 | return err; | |
cda0dd78 MH |
2012 | |
2013 | /* The hardware platform number has a fixed value of 0x37 and | |
2014 | * for now only accept this single value. | |
2015 | */ | |
6c483de1 | 2016 | if (ver.hw_platform != 0x37) { |
cda0dd78 | 2017 | BT_ERR("%s: Unsupported Intel hardware platform (%u)", |
6c483de1 | 2018 | hdev->name, ver.hw_platform); |
cda0dd78 MH |
2019 | return -EINVAL; |
2020 | } | |
2021 | ||
a0af53b5 THJA |
2022 | /* At the moment the iBT 3.0 hardware variants 0x0b (LnP/SfP) |
2023 | * and 0x0c (WsP) are supported by this firmware loading method. | |
2024 | * | |
2025 | * This check has been put in place to ensure correct forward | |
2026 | * compatibility options when newer hardware variants come along. | |
cda0dd78 | 2027 | */ |
a0af53b5 | 2028 | if (ver.hw_variant != 0x0b && ver.hw_variant != 0x0c) { |
cda0dd78 | 2029 | BT_ERR("%s: Unsupported Intel hardware variant (%u)", |
6c483de1 | 2030 | hdev->name, ver.hw_variant); |
cda0dd78 MH |
2031 | return -EINVAL; |
2032 | } | |
2033 | ||
6c483de1 | 2034 | btintel_version_info(hdev, &ver); |
cda0dd78 MH |
2035 | |
2036 | /* The firmware variant determines if the device is in bootloader | |
2037 | * mode or is running operational firmware. The value 0x06 identifies | |
2038 | * the bootloader and the value 0x23 identifies the operational | |
2039 | * firmware. | |
2040 | * | |
2041 | * When the operational firmware is already present, then only | |
2042 | * the check for valid Bluetooth device address is needed. This | |
2043 | * determines if the device will be added as configured or | |
2044 | * unconfigured controller. | |
2045 | * | |
2046 | * It is not possible to use the Secure Boot Parameters in this | |
2047 | * case since that command is only available in bootloader mode. | |
2048 | */ | |
6c483de1 | 2049 | if (ver.fw_variant == 0x23) { |
cda0dd78 | 2050 | clear_bit(BTUSB_BOOTLOADER, &data->flags); |
4185a0f5 | 2051 | btintel_check_bdaddr(hdev); |
cda0dd78 MH |
2052 | return 0; |
2053 | } | |
2054 | ||
2055 | /* If the device is not in bootloader mode, then the only possible | |
2056 | * choice is to return an error and abort the device initialization. | |
2057 | */ | |
6c483de1 | 2058 | if (ver.fw_variant != 0x06) { |
cda0dd78 | 2059 | BT_ERR("%s: Unsupported Intel firmware variant (%u)", |
6c483de1 | 2060 | hdev->name, ver.fw_variant); |
cda0dd78 MH |
2061 | return -ENODEV; |
2062 | } | |
2063 | ||
cda0dd78 MH |
2064 | /* Read the secure boot parameters to identify the operating |
2065 | * details of the bootloader. | |
2066 | */ | |
2067 | skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT); | |
2068 | if (IS_ERR(skb)) { | |
2069 | BT_ERR("%s: Reading Intel boot parameters failed (%ld)", | |
2070 | hdev->name, PTR_ERR(skb)); | |
2071 | return PTR_ERR(skb); | |
2072 | } | |
2073 | ||
2074 | if (skb->len != sizeof(*params)) { | |
2075 | BT_ERR("%s: Intel boot parameters size mismatch", hdev->name); | |
2076 | kfree_skb(skb); | |
2077 | return -EILSEQ; | |
2078 | } | |
2079 | ||
2080 | params = (struct intel_boot_params *)skb->data; | |
cda0dd78 MH |
2081 | |
2082 | BT_INFO("%s: Device revision is %u", hdev->name, | |
2083 | le16_to_cpu(params->dev_revid)); | |
2084 | ||
2085 | BT_INFO("%s: Secure boot is %s", hdev->name, | |
2086 | params->secure_boot ? "enabled" : "disabled"); | |
2087 | ||
2220994e MH |
2088 | BT_INFO("%s: OTP lock is %s", hdev->name, |
2089 | params->otp_lock ? "enabled" : "disabled"); | |
2090 | ||
2091 | BT_INFO("%s: API lock is %s", hdev->name, | |
2092 | params->api_lock ? "enabled" : "disabled"); | |
2093 | ||
2094 | BT_INFO("%s: Debug lock is %s", hdev->name, | |
2095 | params->debug_lock ? "enabled" : "disabled"); | |
2096 | ||
cda0dd78 MH |
2097 | BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name, |
2098 | params->min_fw_build_nn, params->min_fw_build_cw, | |
2099 | 2000 + params->min_fw_build_yy); | |
2100 | ||
2101 | /* It is required that every single firmware fragment is acknowledged | |
2102 | * with a command complete event. If the boot parameters indicate | |
2103 | * that this bootloader does not send them, then abort the setup. | |
2104 | */ | |
2105 | if (params->limited_cce != 0x00) { | |
2106 | BT_ERR("%s: Unsupported Intel firmware loading method (%u)", | |
2107 | hdev->name, params->limited_cce); | |
2108 | kfree_skb(skb); | |
2109 | return -EINVAL; | |
2110 | } | |
2111 | ||
2112 | /* If the OTP has no valid Bluetooth device address, then there will | |
2113 | * also be no valid address for the operational firmware. | |
2114 | */ | |
2115 | if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) { | |
2116 | BT_INFO("%s: No device address configured", hdev->name); | |
2117 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); | |
2118 | } | |
2119 | ||
2120 | /* With this Intel bootloader only the hardware variant and device | |
2121 | * revision information are used to select the right firmware. | |
2122 | * | |
230b04ac THJA |
2123 | * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi. |
2124 | * | |
2125 | * Currently the supported hardware variants are: | |
2126 | * 11 (0x0b) for iBT3.0 (LnP/SfP) | |
2127 | * 12 (0x0c) for iBT3.5 (WsP) | |
cda0dd78 | 2128 | */ |
230b04ac THJA |
2129 | snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.sfi", |
2130 | le16_to_cpu(ver.hw_variant), | |
cda0dd78 MH |
2131 | le16_to_cpu(params->dev_revid)); |
2132 | ||
2133 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2134 | if (err < 0) { | |
2135 | BT_ERR("%s: Failed to load Intel firmware file (%d)", | |
2136 | hdev->name, err); | |
2137 | kfree_skb(skb); | |
2138 | return err; | |
2139 | } | |
2140 | ||
2141 | BT_INFO("%s: Found device firmware: %s", hdev->name, fwname); | |
2142 | ||
52cc9168 THJA |
2143 | /* Save the DDC file name for later use to apply once the firmware |
2144 | * downloading is done. | |
2145 | */ | |
230b04ac THJA |
2146 | snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.ddc", |
2147 | le16_to_cpu(ver.hw_variant), | |
52cc9168 THJA |
2148 | le16_to_cpu(params->dev_revid)); |
2149 | ||
cda0dd78 MH |
2150 | kfree_skb(skb); |
2151 | ||
2152 | if (fw->size < 644) { | |
2153 | BT_ERR("%s: Invalid size of firmware file (%zu)", | |
2154 | hdev->name, fw->size); | |
2155 | err = -EBADF; | |
2156 | goto done; | |
2157 | } | |
2158 | ||
2159 | set_bit(BTUSB_DOWNLOADING, &data->flags); | |
2160 | ||
2161 | /* Start the firmware download transaction with the Init fragment | |
2162 | * represented by the 128 bytes of CSS header. | |
2163 | */ | |
09df123d | 2164 | err = btintel_secure_send(hdev, 0x00, 128, fw->data); |
cda0dd78 MH |
2165 | if (err < 0) { |
2166 | BT_ERR("%s: Failed to send firmware header (%d)", | |
2167 | hdev->name, err); | |
2168 | goto done; | |
2169 | } | |
2170 | ||
2171 | /* Send the 256 bytes of public key information from the firmware | |
2172 | * as the PKey fragment. | |
2173 | */ | |
09df123d | 2174 | err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128); |
cda0dd78 MH |
2175 | if (err < 0) { |
2176 | BT_ERR("%s: Failed to send firmware public key (%d)", | |
2177 | hdev->name, err); | |
2178 | goto done; | |
2179 | } | |
2180 | ||
2181 | /* Send the 256 bytes of signature information from the firmware | |
2182 | * as the Sign fragment. | |
2183 | */ | |
09df123d | 2184 | err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388); |
cda0dd78 MH |
2185 | if (err < 0) { |
2186 | BT_ERR("%s: Failed to send firmware signature (%d)", | |
2187 | hdev->name, err); | |
2188 | goto done; | |
2189 | } | |
2190 | ||
2191 | fw_ptr = fw->data + 644; | |
e66890a9 | 2192 | frag_len = 0; |
cda0dd78 MH |
2193 | |
2194 | while (fw_ptr - fw->data < fw->size) { | |
e66890a9 | 2195 | struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len); |
cda0dd78 | 2196 | |
e66890a9 | 2197 | frag_len += sizeof(*cmd) + cmd->plen; |
cda0dd78 | 2198 | |
5075edae | 2199 | /* The parameter length of the secure send command requires |
e66890a9 MH |
2200 | * a 4 byte alignment. It happens so that the firmware file |
2201 | * contains proper Intel_NOP commands to align the fragments | |
2202 | * as needed. | |
2203 | * | |
2204 | * Send set of commands with 4 byte alignment from the | |
2205 | * firmware data buffer as a single Data fragement. | |
cda0dd78 | 2206 | */ |
e66890a9 | 2207 | if (!(frag_len % 4)) { |
09df123d | 2208 | err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr); |
e66890a9 MH |
2209 | if (err < 0) { |
2210 | BT_ERR("%s: Failed to send firmware data (%d)", | |
2211 | hdev->name, err); | |
2212 | goto done; | |
2213 | } | |
cda0dd78 | 2214 | |
e66890a9 MH |
2215 | fw_ptr += frag_len; |
2216 | frag_len = 0; | |
2217 | } | |
cda0dd78 MH |
2218 | } |
2219 | ||
ce6bb929 MH |
2220 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); |
2221 | ||
a087a98e JH |
2222 | BT_INFO("%s: Waiting for firmware download to complete", hdev->name); |
2223 | ||
cda0dd78 MH |
2224 | /* Before switching the device into operational mode and with that |
2225 | * booting the loaded firmware, wait for the bootloader notification | |
2226 | * that all fragments have been successfully received. | |
2227 | * | |
a087a98e JH |
2228 | * When the event processing receives the notification, then the |
2229 | * BTUSB_DOWNLOADING flag will be cleared. | |
2230 | * | |
2231 | * The firmware loading should not take longer than 5 seconds | |
2232 | * and thus just timeout if that happens and fail the setup | |
2233 | * of this device. | |
cda0dd78 | 2234 | */ |
129a7693 JH |
2235 | err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, |
2236 | TASK_INTERRUPTIBLE, | |
2237 | msecs_to_jiffies(5000)); | |
f0a70a04 | 2238 | if (err == -EINTR) { |
a087a98e | 2239 | BT_ERR("%s: Firmware loading interrupted", hdev->name); |
a087a98e JH |
2240 | goto done; |
2241 | } | |
cda0dd78 | 2242 | |
a087a98e JH |
2243 | if (err) { |
2244 | BT_ERR("%s: Firmware loading timeout", hdev->name); | |
2245 | err = -ETIMEDOUT; | |
2246 | goto done; | |
cda0dd78 MH |
2247 | } |
2248 | ||
2249 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { | |
2250 | BT_ERR("%s: Firmware loading failed", hdev->name); | |
2251 | err = -ENOEXEC; | |
2252 | goto done; | |
2253 | } | |
2254 | ||
2255 | rettime = ktime_get(); | |
2256 | delta = ktime_sub(rettime, calltime); | |
2257 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2258 | ||
2259 | BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration); | |
2260 | ||
2261 | done: | |
2262 | release_firmware(fw); | |
2263 | ||
2264 | if (err < 0) | |
2265 | return err; | |
2266 | ||
2267 | calltime = ktime_get(); | |
2268 | ||
2269 | set_bit(BTUSB_BOOTING, &data->flags); | |
2270 | ||
2271 | skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param, | |
2272 | HCI_INIT_TIMEOUT); | |
2273 | if (IS_ERR(skb)) | |
2274 | return PTR_ERR(skb); | |
2275 | ||
2276 | kfree_skb(skb); | |
2277 | ||
2278 | /* The bootloader will not indicate when the device is ready. This | |
2279 | * is done by the operational firmware sending bootup notification. | |
fad70972 JH |
2280 | * |
2281 | * Booting into operational firmware should not take longer than | |
2282 | * 1 second. However if that happens, then just fail the setup | |
2283 | * since something went wrong. | |
cda0dd78 | 2284 | */ |
fad70972 | 2285 | BT_INFO("%s: Waiting for device to boot", hdev->name); |
cda0dd78 | 2286 | |
129a7693 JH |
2287 | err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, |
2288 | TASK_INTERRUPTIBLE, | |
2289 | msecs_to_jiffies(1000)); | |
cda0dd78 | 2290 | |
f0a70a04 | 2291 | if (err == -EINTR) { |
fad70972 JH |
2292 | BT_ERR("%s: Device boot interrupted", hdev->name); |
2293 | return -EINTR; | |
2294 | } | |
cda0dd78 | 2295 | |
fad70972 JH |
2296 | if (err) { |
2297 | BT_ERR("%s: Device boot timeout", hdev->name); | |
2298 | return -ETIMEDOUT; | |
cda0dd78 MH |
2299 | } |
2300 | ||
2301 | rettime = ktime_get(); | |
2302 | delta = ktime_sub(rettime, calltime); | |
2303 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2304 | ||
2305 | BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration); | |
2306 | ||
2307 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2308 | ||
52cc9168 THJA |
2309 | /* Once the device is running in operational mode, it needs to apply |
2310 | * the device configuration (DDC) parameters. | |
2311 | * | |
2312 | * The device can work without DDC parameters, so even if it fails | |
2313 | * to load the file, no need to fail the setup. | |
2314 | */ | |
e924d3d6 | 2315 | btintel_load_ddc_config(hdev, fwname); |
52cc9168 | 2316 | |
213445b2 MH |
2317 | /* Set the event mask for Intel specific vendor events. This enables |
2318 | * a few extra events that are useful during general operation. It | |
2319 | * does not enable any debugging related events. | |
2320 | * | |
2321 | * The device will function correctly without these events enabled | |
2322 | * and thus no need to fail the setup. | |
2323 | */ | |
2324 | btintel_set_event_mask(hdev, false); | |
2325 | ||
cda0dd78 MH |
2326 | return 0; |
2327 | } | |
2328 | ||
bfbd45e9 THJA |
2329 | static int btusb_shutdown_intel(struct hci_dev *hdev) |
2330 | { | |
2331 | struct sk_buff *skb; | |
2332 | long ret; | |
2333 | ||
2334 | /* Some platforms have an issue with BT LED when the interface is | |
2335 | * down or BT radio is turned off, which takes 5 seconds to BT LED | |
2336 | * goes off. This command turns off the BT LED immediately. | |
2337 | */ | |
2338 | skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); | |
2339 | if (IS_ERR(skb)) { | |
2340 | ret = PTR_ERR(skb); | |
2341 | BT_ERR("%s: turning off Intel device LED failed (%ld)", | |
2342 | hdev->name, ret); | |
2343 | return ret; | |
2344 | } | |
2345 | kfree_skb(skb); | |
2346 | ||
2347 | return 0; | |
2348 | } | |
2349 | ||
a4ccc9e3 RJ |
2350 | #ifdef CONFIG_PM |
2351 | /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ | |
2352 | static int marvell_config_oob_wake(struct hci_dev *hdev) | |
2353 | { | |
2354 | struct sk_buff *skb; | |
2355 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2356 | struct device *dev = &data->udev->dev; | |
2357 | u16 pin, gap, opcode; | |
2358 | int ret; | |
2359 | u8 cmd[5]; | |
2360 | ||
2361 | /* Move on if no wakeup pin specified */ | |
2362 | if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) || | |
2363 | of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap)) | |
2364 | return 0; | |
2365 | ||
2366 | /* Vendor specific command to configure a GPIO as wake-up pin */ | |
2367 | opcode = hci_opcode_pack(0x3F, 0x59); | |
2368 | cmd[0] = opcode & 0xFF; | |
2369 | cmd[1] = opcode >> 8; | |
2370 | cmd[2] = 2; /* length of parameters that follow */ | |
2371 | cmd[3] = pin; | |
2372 | cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ | |
2373 | ||
2374 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
2375 | if (!skb) { | |
2376 | bt_dev_err(hdev, "%s: No memory\n", __func__); | |
2377 | return -ENOMEM; | |
2378 | } | |
2379 | ||
2380 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
2381 | hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; | |
2382 | ||
2383 | ret = btusb_send_frame(hdev, skb); | |
2384 | if (ret) { | |
2385 | bt_dev_err(hdev, "%s: configuration failed\n", __func__); | |
2386 | kfree_skb(skb); | |
2387 | return ret; | |
2388 | } | |
2389 | ||
2390 | return 0; | |
2391 | } | |
2392 | #endif | |
2393 | ||
ae8df494 AK |
2394 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
2395 | const bdaddr_t *bdaddr) | |
2396 | { | |
2397 | struct sk_buff *skb; | |
2398 | u8 buf[8]; | |
2399 | long ret; | |
2400 | ||
2401 | buf[0] = 0xfe; | |
2402 | buf[1] = sizeof(bdaddr_t); | |
2403 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
2404 | ||
2405 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2406 | if (IS_ERR(skb)) { | |
2407 | ret = PTR_ERR(skb); | |
2408 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
2409 | hdev->name, ret); | |
2410 | return ret; | |
2411 | } | |
2412 | kfree_skb(skb); | |
2413 | ||
2414 | return 0; | |
2415 | } | |
2416 | ||
5859223e TK |
2417 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
2418 | const bdaddr_t *bdaddr) | |
2419 | { | |
2420 | struct sk_buff *skb; | |
2421 | u8 buf[10]; | |
2422 | long ret; | |
2423 | ||
2424 | buf[0] = 0x01; | |
2425 | buf[1] = 0x01; | |
2426 | buf[2] = 0x00; | |
2427 | buf[3] = sizeof(bdaddr_t); | |
2428 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
2429 | ||
2430 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2431 | if (IS_ERR(skb)) { | |
2432 | ret = PTR_ERR(skb); | |
2433 | BT_ERR("%s: Change address command failed (%ld)", | |
2434 | hdev->name, ret); | |
2435 | return ret; | |
2436 | } | |
2437 | kfree_skb(skb); | |
2438 | ||
2439 | return 0; | |
2440 | } | |
2441 | ||
3267c884 KBYT |
2442 | #define QCA_DFU_PACKET_LEN 4096 |
2443 | ||
2444 | #define QCA_GET_TARGET_VERSION 0x09 | |
2445 | #define QCA_CHECK_STATUS 0x05 | |
2446 | #define QCA_DFU_DOWNLOAD 0x01 | |
2447 | ||
2448 | #define QCA_SYSCFG_UPDATED 0x40 | |
2449 | #define QCA_PATCH_UPDATED 0x80 | |
2450 | #define QCA_DFU_TIMEOUT 3000 | |
2451 | ||
2452 | struct qca_version { | |
2453 | __le32 rom_version; | |
2454 | __le32 patch_version; | |
2455 | __le32 ram_version; | |
2456 | __le32 ref_clock; | |
2457 | __u8 reserved[4]; | |
2458 | } __packed; | |
2459 | ||
2460 | struct qca_rampatch_version { | |
2461 | __le16 rom_version; | |
2462 | __le16 patch_version; | |
2463 | } __packed; | |
2464 | ||
2465 | struct qca_device_info { | |
bf906b3d KBYT |
2466 | u32 rom_version; |
2467 | u8 rampatch_hdr; /* length of header in rampatch */ | |
2468 | u8 nvm_hdr; /* length of header in NVM */ | |
2469 | u8 ver_offset; /* offset of version structure in rampatch */ | |
3267c884 KBYT |
2470 | }; |
2471 | ||
2472 | static const struct qca_device_info qca_devices_table[] = { | |
2473 | { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ | |
2474 | { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ | |
7f6e6363 | 2475 | { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ |
3267c884 KBYT |
2476 | { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ |
2477 | { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ | |
2478 | { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ | |
2479 | }; | |
2480 | ||
2481 | static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request, | |
2482 | void *data, u16 size) | |
2483 | { | |
2484 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2485 | struct usb_device *udev = btdata->udev; | |
2486 | int pipe, err; | |
2487 | u8 *buf; | |
2488 | ||
2489 | buf = kmalloc(size, GFP_KERNEL); | |
2490 | if (!buf) | |
2491 | return -ENOMEM; | |
2492 | ||
2493 | /* Found some of USB hosts have IOT issues with ours so that we should | |
2494 | * not wait until HCI layer is ready. | |
2495 | */ | |
2496 | pipe = usb_rcvctrlpipe(udev, 0); | |
2497 | err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, | |
2498 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2499 | if (err < 0) { | |
2500 | BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err); | |
2501 | goto done; | |
2502 | } | |
2503 | ||
2504 | memcpy(data, buf, size); | |
2505 | ||
2506 | done: | |
2507 | kfree(buf); | |
2508 | ||
2509 | return err; | |
2510 | } | |
2511 | ||
2512 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, | |
2513 | const struct firmware *firmware, | |
2514 | size_t hdr_size) | |
2515 | { | |
2516 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2517 | struct usb_device *udev = btdata->udev; | |
2518 | size_t count, size, sent = 0; | |
2519 | int pipe, len, err; | |
2520 | u8 *buf; | |
2521 | ||
2522 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); | |
2523 | if (!buf) | |
2524 | return -ENOMEM; | |
2525 | ||
2526 | count = firmware->size; | |
2527 | ||
2528 | size = min_t(size_t, count, hdr_size); | |
2529 | memcpy(buf, firmware->data, size); | |
2530 | ||
2531 | /* USB patches should go down to controller through USB path | |
2532 | * because binary format fits to go down through USB channel. | |
2533 | * USB control path is for patching headers and USB bulk is for | |
2534 | * patch body. | |
2535 | */ | |
2536 | pipe = usb_sndctrlpipe(udev, 0); | |
2537 | err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, | |
2538 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2539 | if (err < 0) { | |
2540 | BT_ERR("%s: Failed to send headers (%d)", hdev->name, err); | |
2541 | goto done; | |
2542 | } | |
2543 | ||
2544 | sent += size; | |
2545 | count -= size; | |
2546 | ||
2547 | while (count) { | |
2548 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); | |
2549 | ||
2550 | memcpy(buf, firmware->data + sent, size); | |
2551 | ||
2552 | pipe = usb_sndbulkpipe(udev, 0x02); | |
2553 | err = usb_bulk_msg(udev, pipe, buf, size, &len, | |
2554 | QCA_DFU_TIMEOUT); | |
2555 | if (err < 0) { | |
2556 | BT_ERR("%s: Failed to send body at %zd of %zd (%d)", | |
2557 | hdev->name, sent, firmware->size, err); | |
2558 | break; | |
2559 | } | |
2560 | ||
2561 | if (size != len) { | |
2562 | BT_ERR("%s: Failed to get bulk buffer", hdev->name); | |
2563 | err = -EILSEQ; | |
2564 | break; | |
2565 | } | |
2566 | ||
2567 | sent += size; | |
2568 | count -= size; | |
2569 | } | |
2570 | ||
2571 | done: | |
2572 | kfree(buf); | |
2573 | return err; | |
2574 | } | |
2575 | ||
2576 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, | |
2577 | struct qca_version *ver, | |
2578 | const struct qca_device_info *info) | |
2579 | { | |
2580 | struct qca_rampatch_version *rver; | |
2581 | const struct firmware *fw; | |
bf906b3d KBYT |
2582 | u32 ver_rom, ver_patch; |
2583 | u16 rver_rom, rver_patch; | |
3267c884 KBYT |
2584 | char fwname[64]; |
2585 | int err; | |
2586 | ||
bf906b3d KBYT |
2587 | ver_rom = le32_to_cpu(ver->rom_version); |
2588 | ver_patch = le32_to_cpu(ver->patch_version); | |
2589 | ||
2590 | snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); | |
3267c884 KBYT |
2591 | |
2592 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2593 | if (err) { | |
2594 | BT_ERR("%s: failed to request rampatch file: %s (%d)", | |
2595 | hdev->name, fwname, err); | |
2596 | return err; | |
2597 | } | |
2598 | ||
2599 | BT_INFO("%s: using rampatch file: %s", hdev->name, fwname); | |
bf906b3d | 2600 | |
3267c884 | 2601 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
bf906b3d KBYT |
2602 | rver_rom = le16_to_cpu(rver->rom_version); |
2603 | rver_patch = le16_to_cpu(rver->patch_version); | |
2604 | ||
3267c884 | 2605 | BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x " |
bf906b3d KBYT |
2606 | "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom, |
2607 | ver_patch); | |
3267c884 | 2608 | |
bf906b3d | 2609 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
3267c884 KBYT |
2610 | BT_ERR("%s: rampatch file version did not match with firmware", |
2611 | hdev->name); | |
2612 | err = -EINVAL; | |
2613 | goto done; | |
2614 | } | |
2615 | ||
2616 | err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); | |
2617 | ||
2618 | done: | |
2619 | release_firmware(fw); | |
2620 | ||
2621 | return err; | |
2622 | } | |
2623 | ||
2624 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, | |
2625 | struct qca_version *ver, | |
2626 | const struct qca_device_info *info) | |
2627 | { | |
2628 | const struct firmware *fw; | |
2629 | char fwname[64]; | |
2630 | int err; | |
2631 | ||
2632 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", | |
2633 | le32_to_cpu(ver->rom_version)); | |
2634 | ||
2635 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2636 | if (err) { | |
2637 | BT_ERR("%s: failed to request NVM file: %s (%d)", | |
2638 | hdev->name, fwname, err); | |
2639 | return err; | |
2640 | } | |
2641 | ||
2642 | BT_INFO("%s: using NVM file: %s", hdev->name, fwname); | |
2643 | ||
2644 | err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); | |
2645 | ||
2646 | release_firmware(fw); | |
2647 | ||
2648 | return err; | |
2649 | } | |
2650 | ||
2651 | static int btusb_setup_qca(struct hci_dev *hdev) | |
2652 | { | |
2653 | const struct qca_device_info *info = NULL; | |
2654 | struct qca_version ver; | |
bf906b3d | 2655 | u32 ver_rom; |
3267c884 KBYT |
2656 | u8 status; |
2657 | int i, err; | |
2658 | ||
2659 | err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver, | |
eb50042f | 2660 | sizeof(ver)); |
3267c884 KBYT |
2661 | if (err < 0) |
2662 | return err; | |
2663 | ||
bf906b3d | 2664 | ver_rom = le32_to_cpu(ver.rom_version); |
3267c884 | 2665 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
bf906b3d | 2666 | if (ver_rom == qca_devices_table[i].rom_version) |
3267c884 KBYT |
2667 | info = &qca_devices_table[i]; |
2668 | } | |
2669 | if (!info) { | |
2670 | BT_ERR("%s: don't support firmware rome 0x%x", hdev->name, | |
bf906b3d | 2671 | ver_rom); |
3267c884 KBYT |
2672 | return -ENODEV; |
2673 | } | |
2674 | ||
2675 | err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status, | |
2676 | sizeof(status)); | |
2677 | if (err < 0) | |
2678 | return err; | |
2679 | ||
2680 | if (!(status & QCA_PATCH_UPDATED)) { | |
2681 | err = btusb_setup_qca_load_rampatch(hdev, &ver, info); | |
2682 | if (err < 0) | |
2683 | return err; | |
2684 | } | |
2685 | ||
2686 | if (!(status & QCA_SYSCFG_UPDATED)) { | |
2687 | err = btusb_setup_qca_load_nvm(hdev, &ver, info); | |
2688 | if (err < 0) | |
2689 | return err; | |
2690 | } | |
2691 | ||
2692 | return 0; | |
2693 | } | |
2694 | ||
9d08f504 MH |
2695 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
2696 | static inline int __set_diag_interface(struct hci_dev *hdev) | |
2697 | { | |
2698 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2699 | struct usb_interface *intf = data->diag; | |
2700 | int i; | |
2701 | ||
2702 | if (!data->diag) | |
2703 | return -ENODEV; | |
2704 | ||
2705 | data->diag_tx_ep = NULL; | |
2706 | data->diag_rx_ep = NULL; | |
2707 | ||
2708 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2709 | struct usb_endpoint_descriptor *ep_desc; | |
2710 | ||
2711 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2712 | ||
2713 | if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2714 | data->diag_tx_ep = ep_desc; | |
2715 | continue; | |
2716 | } | |
2717 | ||
2718 | if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2719 | data->diag_rx_ep = ep_desc; | |
2720 | continue; | |
2721 | } | |
2722 | } | |
2723 | ||
2724 | if (!data->diag_tx_ep || !data->diag_rx_ep) { | |
2725 | BT_ERR("%s invalid diagnostic descriptors", hdev->name); | |
2726 | return -ENODEV; | |
2727 | } | |
2728 | ||
2729 | return 0; | |
2730 | } | |
2731 | ||
2732 | static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) | |
2733 | { | |
2734 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2735 | struct sk_buff *skb; | |
2736 | struct urb *urb; | |
2737 | unsigned int pipe; | |
2738 | ||
2739 | if (!data->diag_tx_ep) | |
2740 | return ERR_PTR(-ENODEV); | |
2741 | ||
2742 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
2743 | if (!urb) | |
2744 | return ERR_PTR(-ENOMEM); | |
2745 | ||
2746 | skb = bt_skb_alloc(2, GFP_KERNEL); | |
2747 | if (!skb) { | |
2748 | usb_free_urb(urb); | |
2749 | return ERR_PTR(-ENOMEM); | |
2750 | } | |
2751 | ||
2752 | *skb_put(skb, 1) = 0xf0; | |
2753 | *skb_put(skb, 1) = enable; | |
2754 | ||
2755 | pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); | |
2756 | ||
2757 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
2758 | skb->data, skb->len, btusb_tx_complete, skb); | |
2759 | ||
2760 | skb->dev = (void *)hdev; | |
2761 | ||
2762 | return urb; | |
2763 | } | |
2764 | ||
2765 | static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) | |
2766 | { | |
2767 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2768 | struct urb *urb; | |
2769 | ||
2770 | if (!data->diag) | |
2771 | return -ENODEV; | |
2772 | ||
2773 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
2774 | return -ENETDOWN; | |
2775 | ||
2776 | urb = alloc_diag_urb(hdev, enable); | |
2777 | if (IS_ERR(urb)) | |
2778 | return PTR_ERR(urb); | |
2779 | ||
2780 | return submit_or_queue_tx_urb(hdev, urb); | |
2781 | } | |
2782 | #endif | |
2783 | ||
fd913ef7 RJ |
2784 | #ifdef CONFIG_PM |
2785 | static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) | |
2786 | { | |
2787 | struct btusb_data *data = priv; | |
2788 | ||
2789 | pm_wakeup_event(&data->udev->dev, 0); | |
2790 | ||
2791 | /* Disable only if not already disabled (keep it balanced) */ | |
2792 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
2793 | disable_irq_nosync(irq); | |
2794 | disable_irq_wake(irq); | |
2795 | } | |
2796 | return IRQ_HANDLED; | |
2797 | } | |
2798 | ||
2799 | static const struct of_device_id btusb_match_table[] = { | |
2800 | { .compatible = "usb1286,204e" }, | |
2801 | { } | |
2802 | }; | |
2803 | MODULE_DEVICE_TABLE(of, btusb_match_table); | |
2804 | ||
2805 | /* Use an oob wakeup pin? */ | |
2806 | static int btusb_config_oob_wake(struct hci_dev *hdev) | |
2807 | { | |
2808 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2809 | struct device *dev = &data->udev->dev; | |
2810 | int irq, ret; | |
2811 | ||
2812 | clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
2813 | ||
2814 | if (!of_match_device(btusb_match_table, dev)) | |
2815 | return 0; | |
2816 | ||
2817 | /* Move on if no IRQ specified */ | |
2818 | irq = of_irq_get_byname(dev->of_node, "wakeup"); | |
2819 | if (irq <= 0) { | |
2820 | bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__); | |
2821 | return 0; | |
2822 | } | |
2823 | ||
2824 | ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler, | |
2825 | 0, "OOB Wake-on-BT", data); | |
2826 | if (ret) { | |
2827 | bt_dev_err(hdev, "%s: IRQ request failed", __func__); | |
2828 | return ret; | |
2829 | } | |
2830 | ||
2831 | ret = device_init_wakeup(dev, true); | |
2832 | if (ret) { | |
2833 | bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); | |
2834 | return ret; | |
2835 | } | |
2836 | ||
2837 | data->oob_wake_irq = irq; | |
2838 | disable_irq(irq); | |
2839 | bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); | |
2840 | return 0; | |
2841 | } | |
2842 | #endif | |
2843 | ||
5e23b923 | 2844 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 2845 | const struct usb_device_id *id) |
5e23b923 MH |
2846 | { |
2847 | struct usb_endpoint_descriptor *ep_desc; | |
2848 | struct btusb_data *data; | |
2849 | struct hci_dev *hdev; | |
22f8e9db | 2850 | unsigned ifnum_base; |
5e23b923 MH |
2851 | int i, err; |
2852 | ||
2853 | BT_DBG("intf %p id %p", intf, id); | |
2854 | ||
cfeb4145 | 2855 | /* interface numbers are hardcoded in the spec */ |
22f8e9db MH |
2856 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) { |
2857 | if (!(id->driver_info & BTUSB_IFNUM_2)) | |
2858 | return -ENODEV; | |
2859 | if (intf->cur_altsetting->desc.bInterfaceNumber != 2) | |
2860 | return -ENODEV; | |
2861 | } | |
2862 | ||
2863 | ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; | |
5e23b923 MH |
2864 | |
2865 | if (!id->driver_info) { | |
2866 | const struct usb_device_id *match; | |
89e7533d | 2867 | |
5e23b923 MH |
2868 | match = usb_match_id(intf, blacklist_table); |
2869 | if (match) | |
2870 | id = match; | |
2871 | } | |
2872 | ||
cfeb4145 MH |
2873 | if (id->driver_info == BTUSB_IGNORE) |
2874 | return -ENODEV; | |
2875 | ||
2d25f8b4 SL |
2876 | if (id->driver_info & BTUSB_ATH3012) { |
2877 | struct usb_device *udev = interface_to_usbdev(intf); | |
2878 | ||
2879 | /* Old firmware would otherwise let ath3k driver load | |
2880 | * patch and sysconfig files */ | |
2881 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
2882 | return -ENODEV; | |
2883 | } | |
2884 | ||
98921dbd | 2885 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
2886 | if (!data) |
2887 | return -ENOMEM; | |
2888 | ||
2889 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2890 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2891 | ||
2892 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
2893 | data->intr_ep = ep_desc; | |
2894 | continue; | |
2895 | } | |
2896 | ||
2897 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2898 | data->bulk_tx_ep = ep_desc; | |
2899 | continue; | |
2900 | } | |
2901 | ||
2902 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2903 | data->bulk_rx_ep = ep_desc; | |
2904 | continue; | |
2905 | } | |
2906 | } | |
2907 | ||
98921dbd | 2908 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 2909 | return -ENODEV; |
5e23b923 | 2910 | |
893ba544 MH |
2911 | if (id->driver_info & BTUSB_AMP) { |
2912 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; | |
2913 | data->cmdreq = 0x2b; | |
2914 | } else { | |
2915 | data->cmdreq_type = USB_TYPE_CLASS; | |
2916 | data->cmdreq = 0x00; | |
2917 | } | |
7a9d4020 | 2918 | |
5e23b923 | 2919 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2920 | data->intf = intf; |
5e23b923 | 2921 | |
5e23b923 | 2922 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2923 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2924 | init_usb_anchor(&data->deferred); |
2925 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2926 | spin_lock_init(&data->txlock); |
5e23b923 | 2927 | |
5e23b923 MH |
2928 | init_usb_anchor(&data->intr_anchor); |
2929 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 2930 | init_usb_anchor(&data->isoc_anchor); |
9d08f504 | 2931 | init_usb_anchor(&data->diag_anchor); |
803b5836 | 2932 | spin_lock_init(&data->rxlock); |
5e23b923 | 2933 | |
cda0dd78 MH |
2934 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2935 | data->recv_event = btusb_recv_event_intel; | |
2936 | data->recv_bulk = btusb_recv_bulk_intel; | |
2937 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
2938 | } else { | |
2939 | data->recv_event = hci_recv_frame; | |
2940 | data->recv_bulk = btusb_recv_bulk; | |
2941 | } | |
2cbd3f5c | 2942 | |
5e23b923 | 2943 | hdev = hci_alloc_dev(); |
98921dbd | 2944 | if (!hdev) |
5e23b923 | 2945 | return -ENOMEM; |
5e23b923 | 2946 | |
c13854ce | 2947 | hdev->bus = HCI_USB; |
155961e8 | 2948 | hci_set_drvdata(hdev, data); |
5e23b923 | 2949 | |
893ba544 MH |
2950 | if (id->driver_info & BTUSB_AMP) |
2951 | hdev->dev_type = HCI_AMP; | |
2952 | else | |
ca8bee5d | 2953 | hdev->dev_type = HCI_PRIMARY; |
893ba544 | 2954 | |
5e23b923 MH |
2955 | data->hdev = hdev; |
2956 | ||
2957 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
2958 | ||
9f8f962c MH |
2959 | hdev->open = btusb_open; |
2960 | hdev->close = btusb_close; | |
2961 | hdev->flush = btusb_flush; | |
2962 | hdev->send = btusb_send_frame; | |
2963 | hdev->notify = btusb_notify; | |
2964 | ||
fd913ef7 RJ |
2965 | #ifdef CONFIG_PM |
2966 | err = btusb_config_oob_wake(hdev); | |
2967 | if (err) | |
2968 | goto out_free_dev; | |
a4ccc9e3 RJ |
2969 | |
2970 | /* Marvell devices may need a specific chip configuration */ | |
2971 | if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { | |
2972 | err = marvell_config_oob_wake(hdev); | |
2973 | if (err) | |
2974 | goto out_free_dev; | |
2975 | } | |
fd913ef7 | 2976 | #endif |
418678b0 SJ |
2977 | if (id->driver_info & BTUSB_CW6622) |
2978 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
2979 | ||
6c9d435d MH |
2980 | if (id->driver_info & BTUSB_BCM2045) |
2981 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
2982 | ||
9f8f962c MH |
2983 | if (id->driver_info & BTUSB_BCM92035) |
2984 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 2985 | |
c2bfb100 | 2986 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
abbaf50e | 2987 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
49a5f782 | 2988 | hdev->manufacturer = 15; |
c2bfb100 | 2989 | hdev->setup = btbcm_setup_patchram; |
9d08f504 | 2990 | hdev->set_diag = btusb_bcm_set_diag; |
1df1f591 | 2991 | hdev->set_bdaddr = btbcm_set_bdaddr; |
9d08f504 MH |
2992 | |
2993 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
22f8e9db | 2994 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); |
abbaf50e | 2995 | } |
10d4c673 | 2996 | |
9d08f504 | 2997 | if (id->driver_info & BTUSB_BCM_APPLE) { |
49a5f782 | 2998 | hdev->manufacturer = 15; |
c2bfb100 | 2999 | hdev->setup = btbcm_setup_apple; |
9d08f504 MH |
3000 | hdev->set_diag = btusb_bcm_set_diag; |
3001 | ||
3002 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
22f8e9db | 3003 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); |
9d08f504 | 3004 | } |
c2bfb100 | 3005 | #endif |
17b2772b | 3006 | |
cb8d6597 | 3007 | if (id->driver_info & BTUSB_INTEL) { |
49a5f782 | 3008 | hdev->manufacturer = 2; |
dffd30ee | 3009 | hdev->setup = btusb_setup_intel; |
bfbd45e9 | 3010 | hdev->shutdown = btusb_shutdown_intel; |
3e24767b | 3011 | hdev->set_diag = btintel_set_diag_mfg; |
4185a0f5 | 3012 | hdev->set_bdaddr = btintel_set_bdaddr; |
c33fb9b4 | 3013 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
c1154842 | 3014 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
3e24767b | 3015 | set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); |
cb8d6597 | 3016 | } |
dffd30ee | 3017 | |
cda0dd78 | 3018 | if (id->driver_info & BTUSB_INTEL_NEW) { |
49a5f782 | 3019 | hdev->manufacturer = 2; |
cda0dd78 MH |
3020 | hdev->send = btusb_send_frame_intel; |
3021 | hdev->setup = btusb_setup_intel_new; | |
eeb6abe9 | 3022 | hdev->hw_error = btintel_hw_error; |
6d2e50d2 | 3023 | hdev->set_diag = btintel_set_diag; |
4185a0f5 | 3024 | hdev->set_bdaddr = btintel_set_bdaddr; |
b970c5ba | 3025 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
d8270fbb | 3026 | set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); |
cda0dd78 MH |
3027 | } |
3028 | ||
ae8df494 AK |
3029 | if (id->driver_info & BTUSB_MARVELL) |
3030 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
3031 | ||
661cf88a MH |
3032 | if (id->driver_info & BTUSB_SWAVE) { |
3033 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
d57dbe77 | 3034 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
661cf88a | 3035 | } |
d57dbe77 | 3036 | |
e4c534bb MH |
3037 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
3038 | hdev->manufacturer = 2; | |
40df783d | 3039 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
e4c534bb | 3040 | } |
40df783d | 3041 | |
79f0c87d | 3042 | if (id->driver_info & BTUSB_ATH3012) { |
5859223e | 3043 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
3d50d51a | 3044 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
79f0c87d JP |
3045 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
3046 | } | |
5859223e | 3047 | |
3267c884 KBYT |
3048 | if (id->driver_info & BTUSB_QCA_ROME) { |
3049 | data->setup_on_usb = btusb_setup_qca; | |
3050 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
3051 | } | |
3052 | ||
db33c77d | 3053 | #ifdef CONFIG_BT_HCIBTUSB_RTL |
04b8c814 | 3054 | if (id->driver_info & BTUSB_REALTEK) { |
db33c77d | 3055 | hdev->setup = btrtl_setup_realtek; |
04b8c814 DD |
3056 | |
3057 | /* Realtek devices lose their updated firmware over suspend, | |
3058 | * but the USB hub doesn't notice any status change. | |
3059 | * Explicitly request a device reset on resume. | |
3060 | */ | |
3061 | set_bit(BTUSB_RESET_RESUME, &data->flags); | |
3062 | } | |
db33c77d | 3063 | #endif |
a2698a9b | 3064 | |
893ba544 MH |
3065 | if (id->driver_info & BTUSB_AMP) { |
3066 | /* AMP controllers do not support SCO packets */ | |
3067 | data->isoc = NULL; | |
3068 | } else { | |
22f8e9db MH |
3069 | /* Interface orders are hardcoded in the specification */ |
3070 | data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1); | |
893ba544 | 3071 | } |
9bfa35fe | 3072 | |
7a9d4020 | 3073 | if (!reset) |
a6c511c6 | 3074 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
3075 | |
3076 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
3077 | if (!disable_scofix) | |
3078 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
3079 | } | |
3080 | ||
9bfa35fe MH |
3081 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
3082 | data->isoc = NULL; | |
3083 | ||
7a9d4020 MH |
3084 | if (id->driver_info & BTUSB_DIGIANSWER) { |
3085 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 3086 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
3087 | } |
3088 | ||
3089 | if (id->driver_info & BTUSB_CSR) { | |
3090 | struct usb_device *udev = data->udev; | |
81cac64b | 3091 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
3092 | |
3093 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 3094 | if (bcdDevice < 0x117) |
a6c511c6 | 3095 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
3096 | |
3097 | /* Fake CSR devices with broken commands */ | |
6cafcd95 | 3098 | if (bcdDevice <= 0x100 || bcdDevice == 0x134) |
81cac64b | 3099 | hdev->setup = btusb_setup_csr; |
49c989a0 JP |
3100 | |
3101 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
7a9d4020 MH |
3102 | } |
3103 | ||
cfeb4145 | 3104 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 3105 | struct usb_device *udev = data->udev; |
cfeb4145 | 3106 | |
7a9d4020 | 3107 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
3108 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
3109 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
3110 | } | |
3111 | ||
3a5ef20c MH |
3112 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
3113 | /* A bug in the bootloader causes that interrupt interface is | |
3114 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
3115 | */ | |
3116 | err = usb_set_interface(data->udev, 0, 0); | |
3117 | if (err < 0) { | |
3118 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
10ab133b | 3119 | goto out_free_dev; |
3a5ef20c MH |
3120 | } |
3121 | } | |
3122 | ||
9bfa35fe MH |
3123 | if (data->isoc) { |
3124 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 3125 | data->isoc, data); |
10ab133b RJ |
3126 | if (err < 0) |
3127 | goto out_free_dev; | |
9bfa35fe MH |
3128 | } |
3129 | ||
9d08f504 MH |
3130 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
3131 | if (data->diag) { | |
3132 | if (!usb_driver_claim_interface(&btusb_driver, | |
3133 | data->diag, data)) | |
3134 | __set_diag_interface(hdev); | |
3135 | else | |
3136 | data->diag = NULL; | |
3137 | } | |
3138 | #endif | |
3139 | ||
5e23b923 | 3140 | err = hci_register_dev(hdev); |
10ab133b RJ |
3141 | if (err < 0) |
3142 | goto out_free_dev; | |
5e23b923 MH |
3143 | |
3144 | usb_set_intfdata(intf, data); | |
3145 | ||
3146 | return 0; | |
10ab133b RJ |
3147 | |
3148 | out_free_dev: | |
3149 | hci_free_dev(hdev); | |
3150 | return err; | |
5e23b923 MH |
3151 | } |
3152 | ||
3153 | static void btusb_disconnect(struct usb_interface *intf) | |
3154 | { | |
3155 | struct btusb_data *data = usb_get_intfdata(intf); | |
3156 | struct hci_dev *hdev; | |
3157 | ||
3158 | BT_DBG("intf %p", intf); | |
3159 | ||
3160 | if (!data) | |
3161 | return; | |
3162 | ||
3163 | hdev = data->hdev; | |
5fbcd260 MH |
3164 | usb_set_intfdata(data->intf, NULL); |
3165 | ||
3166 | if (data->isoc) | |
3167 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 | 3168 | |
9d08f504 MH |
3169 | if (data->diag) |
3170 | usb_set_intfdata(data->diag, NULL); | |
3171 | ||
5e23b923 MH |
3172 | hci_unregister_dev(hdev); |
3173 | ||
9d08f504 MH |
3174 | if (intf == data->intf) { |
3175 | if (data->isoc) | |
3176 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
3177 | if (data->diag) | |
3178 | usb_driver_release_interface(&btusb_driver, data->diag); | |
3179 | } else if (intf == data->isoc) { | |
3180 | if (data->diag) | |
3181 | usb_driver_release_interface(&btusb_driver, data->diag); | |
5fbcd260 | 3182 | usb_driver_release_interface(&btusb_driver, data->intf); |
9d08f504 MH |
3183 | } else if (intf == data->diag) { |
3184 | usb_driver_release_interface(&btusb_driver, data->intf); | |
3185 | if (data->isoc) | |
3186 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
3187 | } | |
5fbcd260 | 3188 | |
fd913ef7 RJ |
3189 | if (data->oob_wake_irq) |
3190 | device_init_wakeup(&data->udev->dev, false); | |
3191 | ||
5e23b923 MH |
3192 | hci_free_dev(hdev); |
3193 | } | |
3194 | ||
7bee549e | 3195 | #ifdef CONFIG_PM |
6a88adf2 MH |
3196 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
3197 | { | |
3198 | struct btusb_data *data = usb_get_intfdata(intf); | |
3199 | ||
3200 | BT_DBG("intf %p", intf); | |
3201 | ||
3202 | if (data->suspend_count++) | |
3203 | return 0; | |
3204 | ||
7bee549e | 3205 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 3206 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
3207 | set_bit(BTUSB_SUSPENDING, &data->flags); |
3208 | spin_unlock_irq(&data->txlock); | |
3209 | } else { | |
3210 | spin_unlock_irq(&data->txlock); | |
3211 | data->suspend_count--; | |
3212 | return -EBUSY; | |
3213 | } | |
3214 | ||
6a88adf2 MH |
3215 | cancel_work_sync(&data->work); |
3216 | ||
7bee549e | 3217 | btusb_stop_traffic(data); |
6a88adf2 MH |
3218 | usb_kill_anchored_urbs(&data->tx_anchor); |
3219 | ||
fd913ef7 RJ |
3220 | if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) { |
3221 | set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
3222 | enable_irq_wake(data->oob_wake_irq); | |
3223 | enable_irq(data->oob_wake_irq); | |
3224 | } | |
3225 | ||
04b8c814 DD |
3226 | /* Optionally request a device reset on resume, but only when |
3227 | * wakeups are disabled. If wakeups are enabled we assume the | |
3228 | * device will stay powered up throughout suspend. | |
3229 | */ | |
3230 | if (test_bit(BTUSB_RESET_RESUME, &data->flags) && | |
3231 | !device_may_wakeup(&data->udev->dev)) | |
3232 | data->udev->reset_resume = 1; | |
3233 | ||
6a88adf2 MH |
3234 | return 0; |
3235 | } | |
3236 | ||
7bee549e ON |
3237 | static void play_deferred(struct btusb_data *data) |
3238 | { | |
3239 | struct urb *urb; | |
3240 | int err; | |
3241 | ||
3242 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
3243 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
3244 | if (err < 0) | |
3245 | break; | |
3246 | ||
3247 | data->tx_in_flight++; | |
3248 | } | |
3249 | usb_scuttle_anchored_urbs(&data->deferred); | |
3250 | } | |
3251 | ||
6a88adf2 MH |
3252 | static int btusb_resume(struct usb_interface *intf) |
3253 | { | |
3254 | struct btusb_data *data = usb_get_intfdata(intf); | |
3255 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 3256 | int err = 0; |
6a88adf2 MH |
3257 | |
3258 | BT_DBG("intf %p", intf); | |
3259 | ||
3260 | if (--data->suspend_count) | |
3261 | return 0; | |
3262 | ||
fd913ef7 RJ |
3263 | /* Disable only if not already disabled (keep it balanced) */ |
3264 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
3265 | disable_irq(data->oob_wake_irq); | |
3266 | disable_irq_wake(data->oob_wake_irq); | |
3267 | } | |
3268 | ||
6a88adf2 | 3269 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 3270 | goto done; |
6a88adf2 MH |
3271 | |
3272 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
3273 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
3274 | if (err < 0) { | |
3275 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 3276 | goto failed; |
6a88adf2 MH |
3277 | } |
3278 | } | |
3279 | ||
3280 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
3281 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
3282 | if (err < 0) { | |
6a88adf2 | 3283 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
3284 | goto failed; |
3285 | } | |
3286 | ||
3287 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
3288 | } |
3289 | ||
3290 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
3291 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
3292 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
3293 | else | |
3294 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
3295 | } | |
3296 | ||
7bee549e ON |
3297 | spin_lock_irq(&data->txlock); |
3298 | play_deferred(data); | |
3299 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
3300 | spin_unlock_irq(&data->txlock); | |
3301 | schedule_work(&data->work); | |
3302 | ||
6a88adf2 | 3303 | return 0; |
7bee549e ON |
3304 | |
3305 | failed: | |
3306 | usb_scuttle_anchored_urbs(&data->deferred); | |
3307 | done: | |
3308 | spin_lock_irq(&data->txlock); | |
3309 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
3310 | spin_unlock_irq(&data->txlock); | |
3311 | ||
3312 | return err; | |
6a88adf2 | 3313 | } |
7bee549e | 3314 | #endif |
6a88adf2 | 3315 | |
5e23b923 MH |
3316 | static struct usb_driver btusb_driver = { |
3317 | .name = "btusb", | |
3318 | .probe = btusb_probe, | |
3319 | .disconnect = btusb_disconnect, | |
7bee549e | 3320 | #ifdef CONFIG_PM |
6a88adf2 MH |
3321 | .suspend = btusb_suspend, |
3322 | .resume = btusb_resume, | |
7bee549e | 3323 | #endif |
5e23b923 | 3324 | .id_table = btusb_table, |
7bee549e | 3325 | .supports_autosuspend = 1, |
e1f12eb6 | 3326 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
3327 | }; |
3328 | ||
93f1508c | 3329 | module_usb_driver(btusb_driver); |
5e23b923 | 3330 | |
cfeb4145 MH |
3331 | module_param(disable_scofix, bool, 0644); |
3332 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
3333 | ||
3334 | module_param(force_scofix, bool, 0644); | |
3335 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
3336 | ||
3337 | module_param(reset, bool, 0644); | |
3338 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
3339 | ||
5e23b923 MH |
3340 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
3341 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
3342 | MODULE_VERSION(VERSION); | |
3343 | MODULE_LICENSE("GPL"); |