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Commit | Line | Data |
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5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 25 | #include <linux/usb.h> |
dffd30ee | 26 | #include <linux/firmware.h> |
a2698a9b | 27 | #include <asm/unaligned.h> |
5e23b923 MH |
28 | |
29 | #include <net/bluetooth/bluetooth.h> | |
30 | #include <net/bluetooth/hci_core.h> | |
31 | ||
4185a0f5 | 32 | #include "btintel.h" |
1df1f591 | 33 | #include "btbcm.h" |
db33c77d | 34 | #include "btrtl.h" |
1df1f591 | 35 | |
34dced9b | 36 | #define VERSION "0.8" |
cfeb4145 | 37 | |
90ab5ee9 RR |
38 | static bool disable_scofix; |
39 | static bool force_scofix; | |
7a9d4020 | 40 | |
917a3337 | 41 | static bool reset = true; |
cfeb4145 MH |
42 | |
43 | static struct usb_driver btusb_driver; | |
44 | ||
45 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
46 | #define BTUSB_DIGIANSWER 0x02 |
47 | #define BTUSB_CSR 0x04 | |
48 | #define BTUSB_SNIFFER 0x08 | |
49 | #define BTUSB_BCM92035 0x10 | |
50 | #define BTUSB_BROKEN_ISOC 0x20 | |
51 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 52 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 53 | #define BTUSB_INTEL 0x100 |
40df783d MH |
54 | #define BTUSB_INTEL_BOOT 0x200 |
55 | #define BTUSB_BCM_PATCHRAM 0x400 | |
ae8df494 | 56 | #define BTUSB_MARVELL 0x800 |
4fcef8ed | 57 | #define BTUSB_SWAVE 0x1000 |
cda0dd78 | 58 | #define BTUSB_INTEL_NEW 0x2000 |
893ba544 | 59 | #define BTUSB_AMP 0x4000 |
3267c884 | 60 | #define BTUSB_QCA_ROME 0x8000 |
17b2772b | 61 | #define BTUSB_BCM_APPLE 0x10000 |
a2698a9b | 62 | #define BTUSB_REALTEK 0x20000 |
5e23b923 | 63 | |
54265202 | 64 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
65 | /* Generic Bluetooth USB device */ |
66 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
67 | ||
893ba544 MH |
68 | /* Generic Bluetooth AMP device */ |
69 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, | |
70 | ||
1fa6535f | 71 | /* Apple-specific (Broadcom) devices */ |
17b2772b MH |
72 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), |
73 | .driver_info = BTUSB_BCM_APPLE }, | |
1fa6535f | 74 | |
178c059e CYC |
75 | /* MediaTek MT76x0E */ |
76 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
77 | ||
c510eae3 | 78 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 79 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 80 | |
3cd01976 NI |
81 | /* Apple MacBookPro 7,1 */ |
82 | { USB_DEVICE(0x05ac, 0x8213) }, | |
83 | ||
0a79f674 CL |
84 | /* Apple iMac11,1 */ |
85 | { USB_DEVICE(0x05ac, 0x8215) }, | |
86 | ||
9c047157 NI |
87 | /* Apple MacBookPro6,2 */ |
88 | { USB_DEVICE(0x05ac, 0x8218) }, | |
89 | ||
3e3ede7d EH |
90 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
91 | { USB_DEVICE(0x05ac, 0x821b) }, | |
92 | ||
a63b723d PAVM |
93 | /* Apple MacBookAir4,1 */ |
94 | { USB_DEVICE(0x05ac, 0x821f) }, | |
95 | ||
88d377b6 MAP |
96 | /* Apple MacBookPro8,2 */ |
97 | { USB_DEVICE(0x05ac, 0x821a) }, | |
98 | ||
f78b6826 JK |
99 | /* Apple MacMini5,1 */ |
100 | { USB_DEVICE(0x05ac, 0x8281) }, | |
101 | ||
cfeb4145 | 102 | /* AVM BlueFRITZ! USB v2.0 */ |
4fcef8ed | 103 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
cfeb4145 MH |
104 | |
105 | /* Bluetooth Ultraport Module from IBM */ | |
106 | { USB_DEVICE(0x04bf, 0x030a) }, | |
107 | ||
108 | /* ALPS Modules with non-standard id */ | |
109 | { USB_DEVICE(0x044e, 0x3001) }, | |
110 | { USB_DEVICE(0x044e, 0x3002) }, | |
111 | ||
112 | /* Ericsson with non-standard id */ | |
113 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
114 | ||
115 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 116 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 117 | |
d13431ca WJS |
118 | /* Broadcom BCM20702A0 */ |
119 | { USB_DEVICE(0x413c, 0x8197) }, | |
120 | ||
d049f4e5 MH |
121 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
122 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, | |
123 | ||
98514036 | 124 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
125 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
126 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 127 | |
8f0c304c MD |
128 | /* Lite-On Technology - Broadcom based */ |
129 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), | |
130 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
131 | ||
0b880062 | 132 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
133 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
134 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 135 | |
c2aef6e8 | 136 | /* ASUSTek Computer - Broadcom based */ |
9a5abdaa RD |
137 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
138 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
c2aef6e8 | 139 | |
5bcecf32 | 140 | /* Belkin F8065bf - Broadcom based */ |
6331c686 MH |
141 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), |
142 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
5bcecf32 | 143 | |
9113bfd8 | 144 | /* IMC Networks - Broadcom based */ |
6331c686 MH |
145 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), |
146 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
9113bfd8 | 147 | |
40df783d | 148 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
149 | { USB_DEVICE(0x8087, 0x0a5a), |
150 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 151 | |
5e23b923 MH |
152 | { } /* Terminating entry */ |
153 | }; | |
154 | ||
155 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
156 | ||
54265202 | 157 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
158 | /* CSR BlueCore devices */ |
159 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
160 | ||
161 | /* Broadcom BCM2033 without firmware */ | |
162 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
163 | ||
be93112a | 164 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
165 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
166 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
2eeff0b4 | 167 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, |
0b880062 | 168 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 169 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 170 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 171 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 172 | |
509e7861 CYC |
173 | /* Atheros AR9285 Malbec with sflash firmware */ |
174 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
175 | ||
d9f51b51 | 176 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
177 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
178 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
179 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
180 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
181 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
692c062e | 182 | { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, |
4b552bc9 | 183 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
184 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
185 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
186 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
187 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 188 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
189 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
190 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
7e730c7f | 191 | { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, |
ec0810d2 | 192 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, |
134d3b35 | 193 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
194 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
195 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
89d2975f | 196 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 197 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 198 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 199 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 200 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 201 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 202 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 203 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 204 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 205 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 206 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 207 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 208 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
ca79f232 | 209 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
210 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
211 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 212 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 213 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 214 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
033efa92 | 215 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 216 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
0d0cef61 | 217 | { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 218 | |
e9036e33 CYC |
219 | /* Atheros AR5BBU12 with sflash firmware */ |
220 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
221 | ||
85d59726 | 222 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 223 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 224 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 225 | |
3267c884 | 226 | /* QCA ROME chipset */ |
2054111b | 227 | { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME }, |
c9e44474 MH |
228 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME }, |
229 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME }, | |
3267c884 | 230 | |
cfeb4145 | 231 | /* Broadcom BCM2035 */ |
7a9d4020 | 232 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
233 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
234 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
235 | |
236 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
237 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
238 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 239 | |
cfeb4145 | 240 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
241 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
242 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
243 | |
244 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 245 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
246 | |
247 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 248 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 249 | |
5ddd4a60 | 250 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 251 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 252 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 253 | |
7a9d4020 MH |
254 | /* Belkin F8T012 and F8T013 devices */ |
255 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
256 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 257 | |
5ddd4a60 MH |
258 | /* Asus WL-BTD202 device */ |
259 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
260 | ||
261 | /* Kensington Bluetooth USB adapter */ | |
262 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
263 | ||
cfeb4145 MH |
264 | /* RTX Telecom based adapters with buggy SCO support */ |
265 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
266 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
267 | ||
268 | /* CONWISE Technology based adapters with buggy SCO support */ | |
269 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
270 | ||
4fcef8ed | 271 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
2eeac871 | 272 | { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, |
4fcef8ed | 273 | |
cfeb4145 MH |
274 | /* Digianswer devices */ |
275 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
276 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
277 | ||
278 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
279 | { USB_DEVICE(0x0a12, 0x0002), |
280 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
281 | |
282 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
283 | { USB_DEVICE(0x16d3, 0x0002), |
284 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 285 | |
cb1ee89f MH |
286 | /* Marvell Bluetooth devices */ |
287 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
288 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
289 | ||
d0ac9eb7 | 290 | /* Intel Bluetooth devices */ |
407550fe | 291 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, |
dffd30ee | 292 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
ef4e5e4a | 293 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
cda0dd78 | 294 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, |
dffd30ee | 295 | |
d0ac9eb7 MH |
296 | /* Other Intel Bluetooth devices */ |
297 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), | |
298 | .driver_info = BTUSB_IGNORE }, | |
ae8df494 | 299 | |
a2698a9b DD |
300 | /* Realtek Bluetooth devices */ |
301 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), | |
302 | .driver_info = BTUSB_REALTEK }, | |
303 | ||
304 | /* Additional Realtek 8723AE Bluetooth devices */ | |
305 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, | |
306 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, | |
307 | ||
308 | /* Additional Realtek 8723BE Bluetooth devices */ | |
309 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, | |
310 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, | |
311 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, | |
312 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, | |
313 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, | |
314 | ||
315 | /* Additional Realtek 8821AE Bluetooth devices */ | |
316 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, | |
317 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, | |
318 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, | |
319 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, | |
320 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, | |
321 | ||
5e23b923 MH |
322 | { } /* Terminating entry */ |
323 | }; | |
324 | ||
9bfa35fe MH |
325 | #define BTUSB_MAX_ISOC_FRAMES 10 |
326 | ||
5e23b923 MH |
327 | #define BTUSB_INTR_RUNNING 0 |
328 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 329 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 330 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 331 | #define BTUSB_DID_ISO_RESUME 4 |
cda0dd78 MH |
332 | #define BTUSB_BOOTLOADER 5 |
333 | #define BTUSB_DOWNLOADING 6 | |
ce6bb929 | 334 | #define BTUSB_FIRMWARE_LOADED 7 |
cda0dd78 | 335 | #define BTUSB_FIRMWARE_FAILED 8 |
ce6bb929 | 336 | #define BTUSB_BOOTING 9 |
04b8c814 | 337 | #define BTUSB_RESET_RESUME 10 |
5e23b923 MH |
338 | |
339 | struct btusb_data { | |
340 | struct hci_dev *hdev; | |
341 | struct usb_device *udev; | |
5fbcd260 | 342 | struct usb_interface *intf; |
9bfa35fe | 343 | struct usb_interface *isoc; |
5e23b923 | 344 | |
5e23b923 MH |
345 | unsigned long flags; |
346 | ||
347 | struct work_struct work; | |
7bee549e | 348 | struct work_struct waker; |
5e23b923 | 349 | |
803b5836 | 350 | struct usb_anchor deferred; |
5e23b923 | 351 | struct usb_anchor tx_anchor; |
803b5836 MH |
352 | int tx_in_flight; |
353 | spinlock_t txlock; | |
354 | ||
5e23b923 MH |
355 | struct usb_anchor intr_anchor; |
356 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 357 | struct usb_anchor isoc_anchor; |
803b5836 MH |
358 | spinlock_t rxlock; |
359 | ||
360 | struct sk_buff *evt_skb; | |
361 | struct sk_buff *acl_skb; | |
362 | struct sk_buff *sco_skb; | |
5e23b923 MH |
363 | |
364 | struct usb_endpoint_descriptor *intr_ep; | |
365 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
366 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
367 | struct usb_endpoint_descriptor *isoc_tx_ep; |
368 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
369 | ||
7a9d4020 | 370 | __u8 cmdreq_type; |
893ba544 | 371 | __u8 cmdreq; |
7a9d4020 | 372 | |
43c2e57f | 373 | unsigned int sco_num; |
9bfa35fe | 374 | int isoc_altsetting; |
6a88adf2 | 375 | int suspend_count; |
2cbd3f5c | 376 | |
97307f51 | 377 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
2cbd3f5c | 378 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
ace31982 KBYT |
379 | |
380 | int (*setup_on_usb)(struct hci_dev *hdev); | |
5e23b923 MH |
381 | }; |
382 | ||
803b5836 MH |
383 | static inline void btusb_free_frags(struct btusb_data *data) |
384 | { | |
385 | unsigned long flags; | |
386 | ||
387 | spin_lock_irqsave(&data->rxlock, flags); | |
388 | ||
389 | kfree_skb(data->evt_skb); | |
390 | data->evt_skb = NULL; | |
391 | ||
392 | kfree_skb(data->acl_skb); | |
393 | data->acl_skb = NULL; | |
394 | ||
395 | kfree_skb(data->sco_skb); | |
396 | data->sco_skb = NULL; | |
397 | ||
398 | spin_unlock_irqrestore(&data->rxlock, flags); | |
399 | } | |
400 | ||
1ffa4ad0 MH |
401 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
402 | { | |
803b5836 MH |
403 | struct sk_buff *skb; |
404 | int err = 0; | |
405 | ||
406 | spin_lock(&data->rxlock); | |
407 | skb = data->evt_skb; | |
408 | ||
409 | while (count) { | |
410 | int len; | |
411 | ||
412 | if (!skb) { | |
413 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
414 | if (!skb) { | |
415 | err = -ENOMEM; | |
416 | break; | |
417 | } | |
418 | ||
419 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
420 | bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE; | |
421 | } | |
422 | ||
423 | len = min_t(uint, bt_cb(skb)->expect, count); | |
424 | memcpy(skb_put(skb, len), buffer, len); | |
425 | ||
426 | count -= len; | |
427 | buffer += len; | |
428 | bt_cb(skb)->expect -= len; | |
429 | ||
430 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
431 | /* Complete event header */ | |
432 | bt_cb(skb)->expect = hci_event_hdr(skb)->plen; | |
433 | ||
434 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
435 | kfree_skb(skb); | |
436 | skb = NULL; | |
437 | ||
438 | err = -EILSEQ; | |
439 | break; | |
440 | } | |
441 | } | |
442 | ||
443 | if (bt_cb(skb)->expect == 0) { | |
444 | /* Complete frame */ | |
97307f51 | 445 | data->recv_event(data->hdev, skb); |
803b5836 MH |
446 | skb = NULL; |
447 | } | |
448 | } | |
449 | ||
450 | data->evt_skb = skb; | |
451 | spin_unlock(&data->rxlock); | |
452 | ||
453 | return err; | |
1ffa4ad0 MH |
454 | } |
455 | ||
456 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
457 | { | |
803b5836 MH |
458 | struct sk_buff *skb; |
459 | int err = 0; | |
460 | ||
461 | spin_lock(&data->rxlock); | |
462 | skb = data->acl_skb; | |
463 | ||
464 | while (count) { | |
465 | int len; | |
466 | ||
467 | if (!skb) { | |
468 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
469 | if (!skb) { | |
470 | err = -ENOMEM; | |
471 | break; | |
472 | } | |
473 | ||
474 | bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; | |
475 | bt_cb(skb)->expect = HCI_ACL_HDR_SIZE; | |
476 | } | |
477 | ||
478 | len = min_t(uint, bt_cb(skb)->expect, count); | |
479 | memcpy(skb_put(skb, len), buffer, len); | |
480 | ||
481 | count -= len; | |
482 | buffer += len; | |
483 | bt_cb(skb)->expect -= len; | |
484 | ||
485 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
486 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
487 | ||
488 | /* Complete ACL header */ | |
489 | bt_cb(skb)->expect = __le16_to_cpu(dlen); | |
490 | ||
491 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
492 | kfree_skb(skb); | |
493 | skb = NULL; | |
494 | ||
495 | err = -EILSEQ; | |
496 | break; | |
497 | } | |
498 | } | |
499 | ||
500 | if (bt_cb(skb)->expect == 0) { | |
501 | /* Complete frame */ | |
502 | hci_recv_frame(data->hdev, skb); | |
503 | skb = NULL; | |
504 | } | |
505 | } | |
506 | ||
507 | data->acl_skb = skb; | |
508 | spin_unlock(&data->rxlock); | |
509 | ||
510 | return err; | |
1ffa4ad0 MH |
511 | } |
512 | ||
513 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
514 | { | |
803b5836 MH |
515 | struct sk_buff *skb; |
516 | int err = 0; | |
517 | ||
518 | spin_lock(&data->rxlock); | |
519 | skb = data->sco_skb; | |
520 | ||
521 | while (count) { | |
522 | int len; | |
523 | ||
524 | if (!skb) { | |
525 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
526 | if (!skb) { | |
527 | err = -ENOMEM; | |
528 | break; | |
529 | } | |
530 | ||
531 | bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; | |
532 | bt_cb(skb)->expect = HCI_SCO_HDR_SIZE; | |
533 | } | |
534 | ||
535 | len = min_t(uint, bt_cb(skb)->expect, count); | |
536 | memcpy(skb_put(skb, len), buffer, len); | |
537 | ||
538 | count -= len; | |
539 | buffer += len; | |
540 | bt_cb(skb)->expect -= len; | |
541 | ||
542 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
543 | /* Complete SCO header */ | |
544 | bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen; | |
545 | ||
546 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
547 | kfree_skb(skb); | |
548 | skb = NULL; | |
549 | ||
550 | err = -EILSEQ; | |
551 | break; | |
552 | } | |
553 | } | |
554 | ||
555 | if (bt_cb(skb)->expect == 0) { | |
556 | /* Complete frame */ | |
557 | hci_recv_frame(data->hdev, skb); | |
558 | skb = NULL; | |
559 | } | |
560 | } | |
561 | ||
562 | data->sco_skb = skb; | |
563 | spin_unlock(&data->rxlock); | |
564 | ||
565 | return err; | |
1ffa4ad0 MH |
566 | } |
567 | ||
5e23b923 MH |
568 | static void btusb_intr_complete(struct urb *urb) |
569 | { | |
570 | struct hci_dev *hdev = urb->context; | |
155961e8 | 571 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
572 | int err; |
573 | ||
89e7533d MH |
574 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
575 | urb->actual_length); | |
5e23b923 MH |
576 | |
577 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
578 | return; | |
579 | ||
580 | if (urb->status == 0) { | |
9bfa35fe MH |
581 | hdev->stat.byte_rx += urb->actual_length; |
582 | ||
1ffa4ad0 MH |
583 | if (btusb_recv_intr(data, urb->transfer_buffer, |
584 | urb->actual_length) < 0) { | |
5e23b923 MH |
585 | BT_ERR("%s corrupted event packet", hdev->name); |
586 | hdev->stat.err_rx++; | |
587 | } | |
85560c4a CC |
588 | } else if (urb->status == -ENOENT) { |
589 | /* Avoid suspend failed when usb_kill_urb */ | |
590 | return; | |
5e23b923 MH |
591 | } |
592 | ||
593 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
594 | return; | |
595 | ||
7bee549e | 596 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
597 | usb_anchor_urb(urb, &data->intr_anchor); |
598 | ||
599 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
600 | if (err < 0) { | |
4935f1c1 PB |
601 | /* -EPERM: urb is being killed; |
602 | * -ENODEV: device got disconnected */ | |
603 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 604 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 605 | hdev->name, urb, -err); |
5e23b923 MH |
606 | usb_unanchor_urb(urb); |
607 | } | |
608 | } | |
609 | ||
2eda66f4 | 610 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 611 | { |
155961e8 | 612 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
613 | struct urb *urb; |
614 | unsigned char *buf; | |
615 | unsigned int pipe; | |
616 | int err, size; | |
617 | ||
618 | BT_DBG("%s", hdev->name); | |
619 | ||
9bfa35fe MH |
620 | if (!data->intr_ep) |
621 | return -ENODEV; | |
622 | ||
2eda66f4 | 623 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
624 | if (!urb) |
625 | return -ENOMEM; | |
626 | ||
627 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
628 | ||
2eda66f4 | 629 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
630 | if (!buf) { |
631 | usb_free_urb(urb); | |
632 | return -ENOMEM; | |
633 | } | |
634 | ||
635 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
636 | ||
637 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 638 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
639 | |
640 | urb->transfer_flags |= URB_FREE_BUFFER; | |
641 | ||
642 | usb_anchor_urb(urb, &data->intr_anchor); | |
643 | ||
2eda66f4 | 644 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 645 | if (err < 0) { |
d4b8d1c9 PB |
646 | if (err != -EPERM && err != -ENODEV) |
647 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 648 | hdev->name, urb, -err); |
5e23b923 | 649 | usb_unanchor_urb(urb); |
5e23b923 MH |
650 | } |
651 | ||
652 | usb_free_urb(urb); | |
653 | ||
654 | return err; | |
655 | } | |
656 | ||
657 | static void btusb_bulk_complete(struct urb *urb) | |
658 | { | |
659 | struct hci_dev *hdev = urb->context; | |
155961e8 | 660 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
661 | int err; |
662 | ||
89e7533d MH |
663 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
664 | urb->actual_length); | |
5e23b923 MH |
665 | |
666 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
667 | return; | |
668 | ||
669 | if (urb->status == 0) { | |
9bfa35fe MH |
670 | hdev->stat.byte_rx += urb->actual_length; |
671 | ||
2cbd3f5c | 672 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 673 | urb->actual_length) < 0) { |
5e23b923 MH |
674 | BT_ERR("%s corrupted ACL packet", hdev->name); |
675 | hdev->stat.err_rx++; | |
676 | } | |
85560c4a CC |
677 | } else if (urb->status == -ENOENT) { |
678 | /* Avoid suspend failed when usb_kill_urb */ | |
679 | return; | |
5e23b923 MH |
680 | } |
681 | ||
682 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
683 | return; | |
684 | ||
685 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 686 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
687 | |
688 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
689 | if (err < 0) { | |
4935f1c1 PB |
690 | /* -EPERM: urb is being killed; |
691 | * -ENODEV: device got disconnected */ | |
692 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 693 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 694 | hdev->name, urb, -err); |
5e23b923 MH |
695 | usb_unanchor_urb(urb); |
696 | } | |
697 | } | |
698 | ||
2eda66f4 | 699 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 700 | { |
155961e8 | 701 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
702 | struct urb *urb; |
703 | unsigned char *buf; | |
704 | unsigned int pipe; | |
290ba200 | 705 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
706 | |
707 | BT_DBG("%s", hdev->name); | |
708 | ||
9bfa35fe MH |
709 | if (!data->bulk_rx_ep) |
710 | return -ENODEV; | |
711 | ||
2eda66f4 | 712 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
713 | if (!urb) |
714 | return -ENOMEM; | |
715 | ||
2eda66f4 | 716 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
717 | if (!buf) { |
718 | usb_free_urb(urb); | |
719 | return -ENOMEM; | |
720 | } | |
721 | ||
722 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
723 | ||
89e7533d MH |
724 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
725 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
726 | |
727 | urb->transfer_flags |= URB_FREE_BUFFER; | |
728 | ||
7bee549e | 729 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
730 | usb_anchor_urb(urb, &data->bulk_anchor); |
731 | ||
2eda66f4 | 732 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 733 | if (err < 0) { |
d4b8d1c9 PB |
734 | if (err != -EPERM && err != -ENODEV) |
735 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 736 | hdev->name, urb, -err); |
5e23b923 | 737 | usb_unanchor_urb(urb); |
5e23b923 MH |
738 | } |
739 | ||
740 | usb_free_urb(urb); | |
741 | ||
742 | return err; | |
743 | } | |
744 | ||
9bfa35fe MH |
745 | static void btusb_isoc_complete(struct urb *urb) |
746 | { | |
747 | struct hci_dev *hdev = urb->context; | |
155961e8 | 748 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
749 | int i, err; |
750 | ||
89e7533d MH |
751 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
752 | urb->actual_length); | |
9bfa35fe MH |
753 | |
754 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
755 | return; | |
756 | ||
757 | if (urb->status == 0) { | |
758 | for (i = 0; i < urb->number_of_packets; i++) { | |
759 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
760 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
761 | ||
762 | if (urb->iso_frame_desc[i].status) | |
763 | continue; | |
764 | ||
765 | hdev->stat.byte_rx += length; | |
766 | ||
1ffa4ad0 MH |
767 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
768 | length) < 0) { | |
9bfa35fe MH |
769 | BT_ERR("%s corrupted SCO packet", hdev->name); |
770 | hdev->stat.err_rx++; | |
771 | } | |
772 | } | |
85560c4a CC |
773 | } else if (urb->status == -ENOENT) { |
774 | /* Avoid suspend failed when usb_kill_urb */ | |
775 | return; | |
9bfa35fe MH |
776 | } |
777 | ||
778 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
779 | return; | |
780 | ||
781 | usb_anchor_urb(urb, &data->isoc_anchor); | |
782 | ||
783 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
784 | if (err < 0) { | |
4935f1c1 PB |
785 | /* -EPERM: urb is being killed; |
786 | * -ENODEV: device got disconnected */ | |
787 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 788 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 789 | hdev->name, urb, -err); |
9bfa35fe MH |
790 | usb_unanchor_urb(urb); |
791 | } | |
792 | } | |
793 | ||
42b16b3f | 794 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
795 | { |
796 | int i, offset = 0; | |
797 | ||
798 | BT_DBG("len %d mtu %d", len, mtu); | |
799 | ||
800 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
801 | i++, offset += mtu, len -= mtu) { | |
802 | urb->iso_frame_desc[i].offset = offset; | |
803 | urb->iso_frame_desc[i].length = mtu; | |
804 | } | |
805 | ||
806 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
807 | urb->iso_frame_desc[i].offset = offset; | |
808 | urb->iso_frame_desc[i].length = len; | |
809 | i++; | |
810 | } | |
811 | ||
812 | urb->number_of_packets = i; | |
813 | } | |
814 | ||
2eda66f4 | 815 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 816 | { |
155961e8 | 817 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
818 | struct urb *urb; |
819 | unsigned char *buf; | |
820 | unsigned int pipe; | |
821 | int err, size; | |
822 | ||
823 | BT_DBG("%s", hdev->name); | |
824 | ||
825 | if (!data->isoc_rx_ep) | |
826 | return -ENODEV; | |
827 | ||
2eda66f4 | 828 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
829 | if (!urb) |
830 | return -ENOMEM; | |
831 | ||
832 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
833 | BTUSB_MAX_ISOC_FRAMES; | |
834 | ||
2eda66f4 | 835 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
836 | if (!buf) { |
837 | usb_free_urb(urb); | |
838 | return -ENOMEM; | |
839 | } | |
840 | ||
841 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
842 | ||
fa0fb93f | 843 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 844 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 845 | |
89e7533d | 846 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
847 | |
848 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 849 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
850 | |
851 | usb_anchor_urb(urb, &data->isoc_anchor); | |
852 | ||
2eda66f4 | 853 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 854 | if (err < 0) { |
d4b8d1c9 PB |
855 | if (err != -EPERM && err != -ENODEV) |
856 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 857 | hdev->name, urb, -err); |
9bfa35fe | 858 | usb_unanchor_urb(urb); |
9bfa35fe MH |
859 | } |
860 | ||
861 | usb_free_urb(urb); | |
862 | ||
863 | return err; | |
864 | } | |
865 | ||
5e23b923 | 866 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
867 | { |
868 | struct sk_buff *skb = urb->context; | |
89e7533d | 869 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 870 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 871 | |
89e7533d MH |
872 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
873 | urb->actual_length); | |
7bee549e ON |
874 | |
875 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
876 | goto done; | |
877 | ||
878 | if (!urb->status) | |
879 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
880 | else | |
881 | hdev->stat.err_tx++; | |
882 | ||
883 | done: | |
884 | spin_lock(&data->txlock); | |
885 | data->tx_in_flight--; | |
886 | spin_unlock(&data->txlock); | |
887 | ||
888 | kfree(urb->setup_packet); | |
889 | ||
890 | kfree_skb(skb); | |
891 | } | |
892 | ||
893 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
894 | { |
895 | struct sk_buff *skb = urb->context; | |
89e7533d | 896 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 897 | |
89e7533d MH |
898 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
899 | urb->actual_length); | |
5e23b923 MH |
900 | |
901 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
902 | goto done; | |
903 | ||
904 | if (!urb->status) | |
905 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
906 | else | |
907 | hdev->stat.err_tx++; | |
908 | ||
909 | done: | |
910 | kfree(urb->setup_packet); | |
911 | ||
912 | kfree_skb(skb); | |
913 | } | |
914 | ||
915 | static int btusb_open(struct hci_dev *hdev) | |
916 | { | |
155961e8 | 917 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
918 | int err; |
919 | ||
920 | BT_DBG("%s", hdev->name); | |
921 | ||
ace31982 KBYT |
922 | /* Patching USB firmware files prior to starting any URBs of HCI path |
923 | * It is more safe to use USB bulk channel for downloading USB patch | |
924 | */ | |
925 | if (data->setup_on_usb) { | |
926 | err = data->setup_on_usb(hdev); | |
eb50042f | 927 | if (err < 0) |
ace31982 KBYT |
928 | return err; |
929 | } | |
930 | ||
7bee549e ON |
931 | err = usb_autopm_get_interface(data->intf); |
932 | if (err < 0) | |
933 | return err; | |
934 | ||
935 | data->intf->needs_remote_wakeup = 1; | |
936 | ||
5e23b923 | 937 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 938 | goto done; |
5e23b923 MH |
939 | |
940 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 941 | goto done; |
5e23b923 | 942 | |
2eda66f4 | 943 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
944 | if (err < 0) |
945 | goto failed; | |
946 | ||
947 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 948 | if (err < 0) { |
43c2e57f MH |
949 | usb_kill_anchored_urbs(&data->intr_anchor); |
950 | goto failed; | |
5e23b923 MH |
951 | } |
952 | ||
43c2e57f MH |
953 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
954 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
955 | ||
7bee549e ON |
956 | done: |
957 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
958 | return 0; |
959 | ||
960 | failed: | |
961 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
962 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 963 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
964 | return err; |
965 | } | |
966 | ||
7bee549e ON |
967 | static void btusb_stop_traffic(struct btusb_data *data) |
968 | { | |
969 | usb_kill_anchored_urbs(&data->intr_anchor); | |
970 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
971 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
972 | } | |
973 | ||
5e23b923 MH |
974 | static int btusb_close(struct hci_dev *hdev) |
975 | { | |
155961e8 | 976 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 977 | int err; |
5e23b923 MH |
978 | |
979 | BT_DBG("%s", hdev->name); | |
980 | ||
981 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
982 | return 0; | |
983 | ||
e8c3c3d2 | 984 | cancel_work_sync(&data->work); |
404291ac | 985 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 986 | |
9bfa35fe | 987 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 988 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 989 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
990 | |
991 | btusb_stop_traffic(data); | |
803b5836 MH |
992 | btusb_free_frags(data); |
993 | ||
7bee549e ON |
994 | err = usb_autopm_get_interface(data->intf); |
995 | if (err < 0) | |
7b8e2c1d | 996 | goto failed; |
7bee549e ON |
997 | |
998 | data->intf->needs_remote_wakeup = 0; | |
999 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 1000 | |
7b8e2c1d ON |
1001 | failed: |
1002 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
1003 | return 0; |
1004 | } | |
1005 | ||
1006 | static int btusb_flush(struct hci_dev *hdev) | |
1007 | { | |
155961e8 | 1008 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1009 | |
1010 | BT_DBG("%s", hdev->name); | |
1011 | ||
1012 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 1013 | btusb_free_frags(data); |
5e23b923 MH |
1014 | |
1015 | return 0; | |
1016 | } | |
1017 | ||
047b2ec8 | 1018 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 1019 | { |
155961e8 | 1020 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1021 | struct usb_ctrlrequest *dr; |
1022 | struct urb *urb; | |
1023 | unsigned int pipe; | |
5e23b923 | 1024 | |
047b2ec8 MH |
1025 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1026 | if (!urb) | |
1027 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1028 | |
047b2ec8 MH |
1029 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
1030 | if (!dr) { | |
1031 | usb_free_urb(urb); | |
1032 | return ERR_PTR(-ENOMEM); | |
1033 | } | |
5e23b923 | 1034 | |
047b2ec8 | 1035 | dr->bRequestType = data->cmdreq_type; |
893ba544 | 1036 | dr->bRequest = data->cmdreq; |
047b2ec8 MH |
1037 | dr->wIndex = 0; |
1038 | dr->wValue = 0; | |
1039 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 1040 | |
047b2ec8 | 1041 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 1042 | |
89e7533d | 1043 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 1044 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 1045 | |
89e7533d | 1046 | skb->dev = (void *)hdev; |
5e23b923 | 1047 | |
047b2ec8 MH |
1048 | return urb; |
1049 | } | |
5e23b923 | 1050 | |
047b2ec8 MH |
1051 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1052 | { | |
1053 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1054 | struct urb *urb; | |
1055 | unsigned int pipe; | |
5e23b923 | 1056 | |
047b2ec8 MH |
1057 | if (!data->bulk_tx_ep) |
1058 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1059 | |
047b2ec8 MH |
1060 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1061 | if (!urb) | |
1062 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1063 | |
047b2ec8 | 1064 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 1065 | |
047b2ec8 MH |
1066 | usb_fill_bulk_urb(urb, data->udev, pipe, |
1067 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 1068 | |
89e7533d | 1069 | skb->dev = (void *)hdev; |
5e23b923 | 1070 | |
047b2ec8 MH |
1071 | return urb; |
1072 | } | |
9bfa35fe | 1073 | |
047b2ec8 MH |
1074 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1075 | { | |
1076 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1077 | struct urb *urb; | |
1078 | unsigned int pipe; | |
9bfa35fe | 1079 | |
047b2ec8 MH |
1080 | if (!data->isoc_tx_ep) |
1081 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1082 | |
047b2ec8 MH |
1083 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1084 | if (!urb) | |
1085 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1086 | |
047b2ec8 | 1087 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1088 | |
047b2ec8 MH |
1089 | usb_fill_int_urb(urb, data->udev, pipe, |
1090 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1091 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1092 | |
047b2ec8 | 1093 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1094 | |
047b2ec8 MH |
1095 | __fill_isoc_descriptor(urb, skb->len, |
1096 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1097 | |
89e7533d | 1098 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1099 | |
1100 | return urb; | |
1101 | } | |
1102 | ||
1103 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1104 | { | |
1105 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1106 | int err; | |
7bee549e | 1107 | |
5e23b923 MH |
1108 | usb_anchor_urb(urb, &data->tx_anchor); |
1109 | ||
e9753eff | 1110 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1111 | if (err < 0) { |
5a9b80e2 PB |
1112 | if (err != -EPERM && err != -ENODEV) |
1113 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 1114 | hdev->name, urb, -err); |
5e23b923 MH |
1115 | kfree(urb->setup_packet); |
1116 | usb_unanchor_urb(urb); | |
7bee549e ON |
1117 | } else { |
1118 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1119 | } |
1120 | ||
54a8a79c | 1121 | usb_free_urb(urb); |
5e23b923 MH |
1122 | return err; |
1123 | } | |
1124 | ||
047b2ec8 MH |
1125 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1126 | { | |
1127 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1128 | unsigned long flags; | |
1129 | bool suspending; | |
1130 | ||
1131 | spin_lock_irqsave(&data->txlock, flags); | |
1132 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1133 | if (!suspending) | |
1134 | data->tx_in_flight++; | |
1135 | spin_unlock_irqrestore(&data->txlock, flags); | |
1136 | ||
1137 | if (!suspending) | |
1138 | return submit_tx_urb(hdev, urb); | |
1139 | ||
1140 | usb_anchor_urb(urb, &data->deferred); | |
1141 | schedule_work(&data->waker); | |
1142 | ||
1143 | usb_free_urb(urb); | |
1144 | return 0; | |
1145 | } | |
1146 | ||
1147 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1148 | { | |
1149 | struct urb *urb; | |
1150 | ||
1151 | BT_DBG("%s", hdev->name); | |
1152 | ||
1153 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1154 | return -EBUSY; | |
1155 | ||
1156 | switch (bt_cb(skb)->pkt_type) { | |
1157 | case HCI_COMMAND_PKT: | |
1158 | urb = alloc_ctrl_urb(hdev, skb); | |
1159 | if (IS_ERR(urb)) | |
1160 | return PTR_ERR(urb); | |
1161 | ||
1162 | hdev->stat.cmd_tx++; | |
1163 | return submit_or_queue_tx_urb(hdev, urb); | |
1164 | ||
1165 | case HCI_ACLDATA_PKT: | |
1166 | urb = alloc_bulk_urb(hdev, skb); | |
1167 | if (IS_ERR(urb)) | |
1168 | return PTR_ERR(urb); | |
1169 | ||
1170 | hdev->stat.acl_tx++; | |
1171 | return submit_or_queue_tx_urb(hdev, urb); | |
1172 | ||
1173 | case HCI_SCODATA_PKT: | |
1174 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1175 | return -ENODEV; | |
1176 | ||
1177 | urb = alloc_isoc_urb(hdev, skb); | |
1178 | if (IS_ERR(urb)) | |
1179 | return PTR_ERR(urb); | |
1180 | ||
1181 | hdev->stat.sco_tx++; | |
1182 | return submit_tx_urb(hdev, urb); | |
1183 | } | |
1184 | ||
1185 | return -EILSEQ; | |
1186 | } | |
1187 | ||
5e23b923 MH |
1188 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1189 | { | |
155961e8 | 1190 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1191 | |
1192 | BT_DBG("%s evt %d", hdev->name, evt); | |
1193 | ||
014f7bc7 MH |
1194 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1195 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1196 | schedule_work(&data->work); |
a780efa8 | 1197 | } |
5e23b923 MH |
1198 | } |
1199 | ||
42b16b3f | 1200 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1201 | { |
155961e8 | 1202 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1203 | struct usb_interface *intf = data->isoc; |
1204 | struct usb_endpoint_descriptor *ep_desc; | |
1205 | int i, err; | |
1206 | ||
1207 | if (!data->isoc) | |
1208 | return -ENODEV; | |
1209 | ||
1210 | err = usb_set_interface(data->udev, 1, altsetting); | |
1211 | if (err < 0) { | |
1212 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
1213 | return err; | |
1214 | } | |
1215 | ||
1216 | data->isoc_altsetting = altsetting; | |
1217 | ||
1218 | data->isoc_tx_ep = NULL; | |
1219 | data->isoc_rx_ep = NULL; | |
1220 | ||
1221 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1222 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1223 | ||
1224 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1225 | data->isoc_tx_ep = ep_desc; | |
1226 | continue; | |
1227 | } | |
1228 | ||
1229 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1230 | data->isoc_rx_ep = ep_desc; | |
1231 | continue; | |
1232 | } | |
1233 | } | |
1234 | ||
1235 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
1236 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
1237 | return -ENODEV; | |
1238 | } | |
1239 | ||
1240 | return 0; | |
1241 | } | |
1242 | ||
5e23b923 MH |
1243 | static void btusb_work(struct work_struct *work) |
1244 | { | |
1245 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1246 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1247 | int new_alts; |
7bee549e | 1248 | int err; |
5e23b923 | 1249 | |
014f7bc7 | 1250 | if (data->sco_num > 0) { |
08b8b6c4 | 1251 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1252 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1253 | if (err < 0) { |
1254 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1255 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1256 | return; | |
1257 | } | |
1258 | ||
08b8b6c4 | 1259 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1260 | } |
f4001d28 MA |
1261 | |
1262 | if (hdev->voice_setting & 0x0020) { | |
1263 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1264 | |
014f7bc7 | 1265 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1266 | } else { |
014f7bc7 | 1267 | new_alts = data->sco_num; |
f4001d28 MA |
1268 | } |
1269 | ||
1270 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
1271 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1272 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1273 | ||
f4001d28 | 1274 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1275 | return; |
1276 | } | |
1277 | ||
1278 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1279 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1280 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1281 | else | |
2eda66f4 | 1282 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1283 | } |
1284 | } else { | |
1285 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1286 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1287 | ||
1288 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1289 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1290 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1291 | } |
1292 | } | |
1293 | ||
7bee549e ON |
1294 | static void btusb_waker(struct work_struct *work) |
1295 | { | |
1296 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1297 | int err; | |
1298 | ||
1299 | err = usb_autopm_get_interface(data->intf); | |
1300 | if (err < 0) | |
1301 | return; | |
1302 | ||
1303 | usb_autopm_put_interface(data->intf); | |
1304 | } | |
1305 | ||
9f8f962c MH |
1306 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1307 | { | |
1308 | struct sk_buff *skb; | |
1309 | u8 val = 0x00; | |
1310 | ||
1311 | BT_DBG("%s", hdev->name); | |
1312 | ||
1313 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1314 | if (IS_ERR(skb)) | |
1315 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
1316 | else | |
1317 | kfree_skb(skb); | |
1318 | ||
1319 | return 0; | |
1320 | } | |
1321 | ||
81cac64b MH |
1322 | static int btusb_setup_csr(struct hci_dev *hdev) |
1323 | { | |
1324 | struct hci_rp_read_local_version *rp; | |
1325 | struct sk_buff *skb; | |
81cac64b MH |
1326 | |
1327 | BT_DBG("%s", hdev->name); | |
1328 | ||
7cd84d72 MH |
1329 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
1330 | HCI_INIT_TIMEOUT); | |
1331 | if (IS_ERR(skb)) { | |
1332 | int err = PTR_ERR(skb); | |
1333 | BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err); | |
1334 | return err; | |
1335 | } | |
1336 | ||
1337 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { | |
1338 | BT_ERR("%s: CSR: Local version length mismatch", hdev->name); | |
1339 | kfree_skb(skb); | |
1340 | return -EIO; | |
1341 | } | |
81cac64b | 1342 | |
89e7533d | 1343 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b | 1344 | |
9641d343 MH |
1345 | if (le16_to_cpu(rp->manufacturer) != 10) { |
1346 | /* Clear the reset quirk since this is not an actual | |
1347 | * early Bluetooth 1.1 device from CSR. | |
1348 | */ | |
1349 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
81cac64b | 1350 | |
9641d343 MH |
1351 | /* These fake CSR controllers have all a broken |
1352 | * stored link key handling and so just disable it. | |
1353 | */ | |
1354 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
1355 | } | |
81cac64b MH |
1356 | |
1357 | kfree_skb(skb); | |
1358 | ||
9641d343 | 1359 | return 0; |
81cac64b MH |
1360 | } |
1361 | ||
dffd30ee | 1362 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
89e7533d | 1363 | struct intel_version *ver) |
dffd30ee THJA |
1364 | { |
1365 | const struct firmware *fw; | |
1366 | char fwname[64]; | |
1367 | int ret; | |
1368 | ||
1369 | snprintf(fwname, sizeof(fwname), | |
1370 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1371 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1372 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1373 | ver->fw_build_ww, ver->fw_build_yy); | |
1374 | ||
1375 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1376 | if (ret < 0) { | |
1377 | if (ret == -EINVAL) { | |
1378 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1379 | hdev->name, ret); | |
1380 | return NULL; | |
1381 | } | |
1382 | ||
1383 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1384 | hdev->name, fwname, ret); | |
1385 | ||
1386 | /* If the correct firmware patch file is not found, use the | |
1387 | * default firmware patch file instead | |
1388 | */ | |
1389 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1390 | ver->hw_platform, ver->hw_variant); | |
1391 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1392 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1393 | hdev->name, fwname); | |
1394 | return NULL; | |
1395 | } | |
1396 | } | |
1397 | ||
1398 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1399 | ||
1400 | return fw; | |
1401 | } | |
1402 | ||
1403 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1404 | const struct firmware *fw, | |
1405 | const u8 **fw_ptr, int *disable_patch) | |
1406 | { | |
1407 | struct sk_buff *skb; | |
1408 | struct hci_command_hdr *cmd; | |
1409 | const u8 *cmd_param; | |
1410 | struct hci_event_hdr *evt = NULL; | |
1411 | const u8 *evt_param = NULL; | |
1412 | int remain = fw->size - (*fw_ptr - fw->data); | |
1413 | ||
1414 | /* The first byte indicates the types of the patch command or event. | |
1415 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1416 | * in the current firmware buffer doesn't start with 0x01 or | |
1417 | * the size of remain buffer is smaller than HCI command header, | |
1418 | * the firmware file is corrupted and it should stop the patching | |
1419 | * process. | |
1420 | */ | |
1421 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1422 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1423 | return -EINVAL; | |
1424 | } | |
1425 | (*fw_ptr)++; | |
1426 | remain--; | |
1427 | ||
1428 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1429 | *fw_ptr += sizeof(*cmd); | |
1430 | remain -= sizeof(*cmd); | |
1431 | ||
1432 | /* Ensure that the remain firmware data is long enough than the length | |
1433 | * of command parameter. If not, the firmware file is corrupted. | |
1434 | */ | |
1435 | if (remain < cmd->plen) { | |
1436 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1437 | return -EFAULT; | |
1438 | } | |
1439 | ||
1440 | /* If there is a command that loads a patch in the firmware | |
1441 | * file, then enable the patch upon success, otherwise just | |
1442 | * disable the manufacturer mode, for example patch activation | |
1443 | * is not required when the default firmware patch file is used | |
1444 | * because there are no patch data to load. | |
1445 | */ | |
1446 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1447 | *disable_patch = 0; | |
1448 | ||
1449 | cmd_param = *fw_ptr; | |
1450 | *fw_ptr += cmd->plen; | |
1451 | remain -= cmd->plen; | |
1452 | ||
1453 | /* This reads the expected events when the above command is sent to the | |
1454 | * device. Some vendor commands expects more than one events, for | |
1455 | * example command status event followed by vendor specific event. | |
1456 | * For this case, it only keeps the last expected event. so the command | |
1457 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1458 | * last expected event. | |
1459 | */ | |
1460 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1461 | (*fw_ptr)++; | |
1462 | remain--; | |
1463 | ||
1464 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1465 | *fw_ptr += sizeof(*evt); | |
1466 | remain -= sizeof(*evt); | |
1467 | ||
1468 | if (remain < evt->plen) { | |
1469 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1470 | hdev->name); | |
1471 | return -EFAULT; | |
1472 | } | |
1473 | ||
1474 | evt_param = *fw_ptr; | |
1475 | *fw_ptr += evt->plen; | |
1476 | remain -= evt->plen; | |
1477 | } | |
1478 | ||
1479 | /* Every HCI commands in the firmware file has its correspond event. | |
1480 | * If event is not found or remain is smaller than zero, the firmware | |
1481 | * file is corrupted. | |
1482 | */ | |
1483 | if (!evt || !evt_param || remain < 0) { | |
1484 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1485 | return -EFAULT; | |
1486 | } | |
1487 | ||
1488 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1489 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1490 | if (IS_ERR(skb)) { | |
1491 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1492 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1493 | return PTR_ERR(skb); |
dffd30ee THJA |
1494 | } |
1495 | ||
1496 | /* It ensures that the returned event matches the event data read from | |
1497 | * the firmware file. At fist, it checks the length and then | |
1498 | * the contents of the event. | |
1499 | */ | |
1500 | if (skb->len != evt->plen) { | |
1501 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1502 | le16_to_cpu(cmd->opcode)); | |
1503 | kfree_skb(skb); | |
1504 | return -EFAULT; | |
1505 | } | |
1506 | ||
1507 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1508 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1509 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1510 | kfree_skb(skb); | |
1511 | return -EFAULT; | |
1512 | } | |
1513 | kfree_skb(skb); | |
1514 | ||
1515 | return 0; | |
1516 | } | |
1517 | ||
1518 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1519 | { | |
1520 | struct sk_buff *skb; | |
1521 | const struct firmware *fw; | |
1522 | const u8 *fw_ptr; | |
1523 | int disable_patch; | |
1524 | struct intel_version *ver; | |
1525 | ||
1526 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1527 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1528 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1529 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1530 | ||
1531 | BT_DBG("%s", hdev->name); | |
1532 | ||
1533 | /* The controller has a bug with the first HCI command sent to it | |
1534 | * returning number of completed commands as zero. This would stall the | |
1535 | * command processing in the Bluetooth core. | |
1536 | * | |
1537 | * As a workaround, send HCI Reset command first which will reset the | |
1538 | * number of completed commands and allow normal command processing | |
1539 | * from now on. | |
1540 | */ | |
1541 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1542 | if (IS_ERR(skb)) { | |
1543 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1544 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1545 | return PTR_ERR(skb); |
dffd30ee THJA |
1546 | } |
1547 | kfree_skb(skb); | |
1548 | ||
1549 | /* Read Intel specific controller version first to allow selection of | |
1550 | * which firmware file to load. | |
1551 | * | |
1552 | * The returned information are hardware variant and revision plus | |
1553 | * firmware variant, revision and build number. | |
1554 | */ | |
1555 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1556 | if (IS_ERR(skb)) { | |
1557 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1558 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1559 | return PTR_ERR(skb); |
dffd30ee THJA |
1560 | } |
1561 | ||
1562 | if (skb->len != sizeof(*ver)) { | |
1563 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1564 | kfree_skb(skb); | |
1565 | return -EIO; | |
1566 | } | |
1567 | ||
1568 | ver = (struct intel_version *)skb->data; | |
dffd30ee THJA |
1569 | |
1570 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1571 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1572 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1573 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1574 | ver->fw_patch_num); | |
1575 | ||
1576 | /* fw_patch_num indicates the version of patch the device currently | |
1577 | * have. If there is no patch data in the device, it is always 0x00. | |
1578 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1579 | */ | |
1580 | if (ver->fw_patch_num) { | |
1581 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1582 | hdev->name, ver->fw_patch_num); | |
1583 | kfree_skb(skb); | |
4185a0f5 | 1584 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1585 | return 0; |
1586 | } | |
1587 | ||
1588 | /* Opens the firmware patch file based on the firmware version read | |
1589 | * from the controller. If it fails to open the matching firmware | |
1590 | * patch file, it tries to open the default firmware patch file. | |
1591 | * If no patch file is found, allow the device to operate without | |
1592 | * a patch. | |
1593 | */ | |
1594 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1595 | if (!fw) { | |
1596 | kfree_skb(skb); | |
4185a0f5 | 1597 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1598 | return 0; |
1599 | } | |
1600 | fw_ptr = fw->data; | |
1601 | ||
ecffc804 MH |
1602 | kfree_skb(skb); |
1603 | ||
dffd30ee THJA |
1604 | /* This Intel specific command enables the manufacturer mode of the |
1605 | * controller. | |
1606 | * | |
1607 | * Only while this mode is enabled, the driver can download the | |
1608 | * firmware patch data and configuration parameters. | |
1609 | */ | |
1610 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1611 | if (IS_ERR(skb)) { | |
1612 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1613 | hdev->name, PTR_ERR(skb)); | |
1614 | release_firmware(fw); | |
d9c78e97 | 1615 | return PTR_ERR(skb); |
dffd30ee THJA |
1616 | } |
1617 | ||
dffd30ee THJA |
1618 | kfree_skb(skb); |
1619 | ||
1620 | disable_patch = 1; | |
1621 | ||
1622 | /* The firmware data file consists of list of Intel specific HCI | |
1623 | * commands and its expected events. The first byte indicates the | |
1624 | * type of the message, either HCI command or HCI event. | |
1625 | * | |
1626 | * It reads the command and its expected event from the firmware file, | |
1627 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1628 | * the returned event is compared with the event read from the firmware | |
1629 | * file and it will continue until all the messages are downloaded to | |
1630 | * the controller. | |
1631 | * | |
1632 | * Once the firmware patching is completed successfully, | |
1633 | * the manufacturer mode is disabled with reset and activating the | |
1634 | * downloaded patch. | |
1635 | * | |
1636 | * If the firmware patching fails, the manufacturer mode is | |
1637 | * disabled with reset and deactivating the patch. | |
1638 | * | |
1639 | * If the default patch file is used, no reset is done when disabling | |
1640 | * the manufacturer. | |
1641 | */ | |
1642 | while (fw->size > fw_ptr - fw->data) { | |
1643 | int ret; | |
1644 | ||
1645 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1646 | &disable_patch); | |
1647 | if (ret < 0) | |
1648 | goto exit_mfg_deactivate; | |
1649 | } | |
1650 | ||
1651 | release_firmware(fw); | |
1652 | ||
1653 | if (disable_patch) | |
1654 | goto exit_mfg_disable; | |
1655 | ||
1656 | /* Patching completed successfully and disable the manufacturer mode | |
1657 | * with reset and activate the downloaded firmware patches. | |
1658 | */ | |
1659 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1660 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1661 | if (IS_ERR(skb)) { | |
1662 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1663 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1664 | return PTR_ERR(skb); |
dffd30ee THJA |
1665 | } |
1666 | kfree_skb(skb); | |
1667 | ||
1668 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1669 | hdev->name); | |
1670 | ||
4185a0f5 | 1671 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1672 | return 0; |
1673 | ||
1674 | exit_mfg_disable: | |
1675 | /* Disable the manufacturer mode without reset */ | |
1676 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1677 | HCI_INIT_TIMEOUT); | |
1678 | if (IS_ERR(skb)) { | |
1679 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1680 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1681 | return PTR_ERR(skb); |
dffd30ee THJA |
1682 | } |
1683 | kfree_skb(skb); | |
1684 | ||
1685 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 | 1686 | |
4185a0f5 | 1687 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1688 | return 0; |
1689 | ||
1690 | exit_mfg_deactivate: | |
1691 | release_firmware(fw); | |
1692 | ||
1693 | /* Patching failed. Disable the manufacturer mode with reset and | |
1694 | * deactivate the downloaded firmware patches. | |
1695 | */ | |
1696 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1697 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1698 | if (IS_ERR(skb)) { | |
1699 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1700 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1701 | return PTR_ERR(skb); |
dffd30ee THJA |
1702 | } |
1703 | kfree_skb(skb); | |
1704 | ||
1705 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1706 | hdev->name); | |
1707 | ||
4185a0f5 | 1708 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1709 | return 0; |
1710 | } | |
1711 | ||
cda0dd78 MH |
1712 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
1713 | { | |
1714 | struct sk_buff *skb; | |
1715 | struct hci_event_hdr *hdr; | |
1716 | struct hci_ev_cmd_complete *evt; | |
1717 | ||
1718 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC); | |
1719 | if (!skb) | |
1720 | return -ENOMEM; | |
1721 | ||
1722 | hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr)); | |
1723 | hdr->evt = HCI_EV_CMD_COMPLETE; | |
1724 | hdr->plen = sizeof(*evt) + 1; | |
1725 | ||
1726 | evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt)); | |
1727 | evt->ncmd = 0x01; | |
1728 | evt->opcode = cpu_to_le16(opcode); | |
1729 | ||
1730 | *skb_put(skb, 1) = 0x00; | |
1731 | ||
1732 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
1733 | ||
1734 | return hci_recv_frame(hdev, skb); | |
1735 | } | |
1736 | ||
1737 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
1738 | int count) | |
1739 | { | |
1740 | /* When the device is in bootloader mode, then it can send | |
1741 | * events via the bulk endpoint. These events are treated the | |
1742 | * same way as the ones received from the interrupt endpoint. | |
1743 | */ | |
1744 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) | |
1745 | return btusb_recv_intr(data, buffer, count); | |
1746 | ||
1747 | return btusb_recv_bulk(data, buffer, count); | |
1748 | } | |
1749 | ||
ccd6da2a MH |
1750 | static void btusb_intel_bootup(struct btusb_data *data, const void *ptr, |
1751 | unsigned int len) | |
1752 | { | |
1753 | const struct intel_bootup *evt = ptr; | |
1754 | ||
1755 | if (len != sizeof(*evt)) | |
1756 | return; | |
1757 | ||
1758 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) { | |
1759 | smp_mb__after_atomic(); | |
1760 | wake_up_bit(&data->flags, BTUSB_BOOTING); | |
1761 | } | |
1762 | } | |
1763 | ||
1764 | static void btusb_intel_secure_send_result(struct btusb_data *data, | |
1765 | const void *ptr, unsigned int len) | |
1766 | { | |
1767 | const struct intel_secure_send_result *evt = ptr; | |
1768 | ||
1769 | if (len != sizeof(*evt)) | |
1770 | return; | |
1771 | ||
1772 | if (evt->result) | |
1773 | set_bit(BTUSB_FIRMWARE_FAILED, &data->flags); | |
1774 | ||
1775 | if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) && | |
1776 | test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) { | |
1777 | smp_mb__after_atomic(); | |
1778 | wake_up_bit(&data->flags, BTUSB_DOWNLOADING); | |
1779 | } | |
1780 | } | |
1781 | ||
cda0dd78 MH |
1782 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) |
1783 | { | |
1784 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1785 | ||
1786 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1787 | struct hci_event_hdr *hdr = (void *)skb->data; | |
1788 | ||
ccd6da2a MH |
1789 | if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff && |
1790 | hdr->plen > 0) { | |
1791 | const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1; | |
1792 | unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1; | |
1793 | ||
1794 | switch (skb->data[2]) { | |
1795 | case 0x02: | |
1796 | /* When switching to the operational firmware | |
1797 | * the device sends a vendor specific event | |
1798 | * indicating that the bootup completed. | |
1799 | */ | |
1800 | btusb_intel_bootup(data, ptr, len); | |
1801 | break; | |
1802 | case 0x06: | |
1803 | /* When the firmware loading completes the | |
1804 | * device sends out a vendor specific event | |
1805 | * indicating the result of the firmware | |
1806 | * loading. | |
1807 | */ | |
1808 | btusb_intel_secure_send_result(data, ptr, len); | |
1809 | break; | |
fad70972 | 1810 | } |
cda0dd78 MH |
1811 | } |
1812 | } | |
1813 | ||
1814 | return hci_recv_frame(hdev, skb); | |
1815 | } | |
1816 | ||
1817 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1818 | { | |
1819 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1820 | struct urb *urb; | |
1821 | ||
1822 | BT_DBG("%s", hdev->name); | |
1823 | ||
1824 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1825 | return -EBUSY; | |
1826 | ||
1827 | switch (bt_cb(skb)->pkt_type) { | |
1828 | case HCI_COMMAND_PKT: | |
1829 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1830 | struct hci_command_hdr *cmd = (void *)skb->data; | |
1831 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
1832 | ||
1833 | /* When in bootloader mode and the command 0xfc09 | |
1834 | * is received, it needs to be send down the | |
1835 | * bulk endpoint. So allocate a bulk URB instead. | |
1836 | */ | |
1837 | if (opcode == 0xfc09) | |
1838 | urb = alloc_bulk_urb(hdev, skb); | |
1839 | else | |
1840 | urb = alloc_ctrl_urb(hdev, skb); | |
1841 | ||
1842 | /* When the 0xfc01 command is issued to boot into | |
1843 | * the operational firmware, it will actually not | |
1844 | * send a command complete event. To keep the flow | |
1845 | * control working inject that event here. | |
1846 | */ | |
1847 | if (opcode == 0xfc01) | |
1848 | inject_cmd_complete(hdev, opcode); | |
1849 | } else { | |
1850 | urb = alloc_ctrl_urb(hdev, skb); | |
1851 | } | |
1852 | if (IS_ERR(urb)) | |
1853 | return PTR_ERR(urb); | |
1854 | ||
1855 | hdev->stat.cmd_tx++; | |
1856 | return submit_or_queue_tx_urb(hdev, urb); | |
1857 | ||
1858 | case HCI_ACLDATA_PKT: | |
1859 | urb = alloc_bulk_urb(hdev, skb); | |
1860 | if (IS_ERR(urb)) | |
1861 | return PTR_ERR(urb); | |
1862 | ||
1863 | hdev->stat.acl_tx++; | |
1864 | return submit_or_queue_tx_urb(hdev, urb); | |
1865 | ||
1866 | case HCI_SCODATA_PKT: | |
1867 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1868 | return -ENODEV; | |
1869 | ||
1870 | urb = alloc_isoc_urb(hdev, skb); | |
1871 | if (IS_ERR(urb)) | |
1872 | return PTR_ERR(urb); | |
1873 | ||
1874 | hdev->stat.sco_tx++; | |
1875 | return submit_tx_urb(hdev, urb); | |
1876 | } | |
1877 | ||
1878 | return -EILSEQ; | |
1879 | } | |
1880 | ||
1881 | static int btusb_intel_secure_send(struct hci_dev *hdev, u8 fragment_type, | |
1882 | u32 plen, const void *param) | |
1883 | { | |
1884 | while (plen > 0) { | |
1885 | struct sk_buff *skb; | |
1886 | u8 cmd_param[253], fragment_len = (plen > 252) ? 252 : plen; | |
1887 | ||
1888 | cmd_param[0] = fragment_type; | |
1889 | memcpy(cmd_param + 1, param, fragment_len); | |
1890 | ||
1891 | skb = __hci_cmd_sync(hdev, 0xfc09, fragment_len + 1, | |
1892 | cmd_param, HCI_INIT_TIMEOUT); | |
1893 | if (IS_ERR(skb)) | |
1894 | return PTR_ERR(skb); | |
1895 | ||
1896 | kfree_skb(skb); | |
1897 | ||
1898 | plen -= fragment_len; | |
1899 | param += fragment_len; | |
1900 | } | |
1901 | ||
1902 | return 0; | |
1903 | } | |
1904 | ||
1905 | static void btusb_intel_version_info(struct hci_dev *hdev, | |
1906 | struct intel_version *ver) | |
1907 | { | |
1908 | const char *variant; | |
1909 | ||
1910 | switch (ver->fw_variant) { | |
1911 | case 0x06: | |
1912 | variant = "Bootloader"; | |
1913 | break; | |
1914 | case 0x23: | |
1915 | variant = "Firmware"; | |
1916 | break; | |
1917 | default: | |
1918 | return; | |
1919 | } | |
1920 | ||
1921 | BT_INFO("%s: %s revision %u.%u build %u week %u %u", hdev->name, | |
1922 | variant, ver->fw_revision >> 4, ver->fw_revision & 0x0f, | |
1923 | ver->fw_build_num, ver->fw_build_ww, 2000 + ver->fw_build_yy); | |
1924 | } | |
1925 | ||
1926 | static int btusb_setup_intel_new(struct hci_dev *hdev) | |
1927 | { | |
1928 | static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01, | |
1929 | 0x00, 0x08, 0x04, 0x00 }; | |
1930 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1931 | struct sk_buff *skb; | |
1932 | struct intel_version *ver; | |
1933 | struct intel_boot_params *params; | |
1934 | const struct firmware *fw; | |
1935 | const u8 *fw_ptr; | |
e66890a9 | 1936 | u32 frag_len; |
cda0dd78 MH |
1937 | char fwname[64]; |
1938 | ktime_t calltime, delta, rettime; | |
1939 | unsigned long long duration; | |
1940 | int err; | |
1941 | ||
1942 | BT_DBG("%s", hdev->name); | |
1943 | ||
1944 | calltime = ktime_get(); | |
1945 | ||
1946 | /* Read the Intel version information to determine if the device | |
1947 | * is in bootloader mode or if it already has operational firmware | |
1948 | * loaded. | |
1949 | */ | |
1950 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1951 | if (IS_ERR(skb)) { | |
1952 | BT_ERR("%s: Reading Intel version information failed (%ld)", | |
1953 | hdev->name, PTR_ERR(skb)); | |
1954 | return PTR_ERR(skb); | |
1955 | } | |
1956 | ||
1957 | if (skb->len != sizeof(*ver)) { | |
1958 | BT_ERR("%s: Intel version event size mismatch", hdev->name); | |
1959 | kfree_skb(skb); | |
1960 | return -EILSEQ; | |
1961 | } | |
1962 | ||
1963 | ver = (struct intel_version *)skb->data; | |
cda0dd78 MH |
1964 | |
1965 | /* The hardware platform number has a fixed value of 0x37 and | |
1966 | * for now only accept this single value. | |
1967 | */ | |
1968 | if (ver->hw_platform != 0x37) { | |
1969 | BT_ERR("%s: Unsupported Intel hardware platform (%u)", | |
1970 | hdev->name, ver->hw_platform); | |
1971 | kfree_skb(skb); | |
1972 | return -EINVAL; | |
1973 | } | |
1974 | ||
1975 | /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is | |
1976 | * supported by this firmware loading method. This check has been | |
1977 | * put in place to ensure correct forward compatibility options | |
1978 | * when newer hardware variants come along. | |
1979 | */ | |
1980 | if (ver->hw_variant != 0x0b) { | |
1981 | BT_ERR("%s: Unsupported Intel hardware variant (%u)", | |
1982 | hdev->name, ver->hw_variant); | |
1983 | kfree_skb(skb); | |
1984 | return -EINVAL; | |
1985 | } | |
1986 | ||
1987 | btusb_intel_version_info(hdev, ver); | |
1988 | ||
1989 | /* The firmware variant determines if the device is in bootloader | |
1990 | * mode or is running operational firmware. The value 0x06 identifies | |
1991 | * the bootloader and the value 0x23 identifies the operational | |
1992 | * firmware. | |
1993 | * | |
1994 | * When the operational firmware is already present, then only | |
1995 | * the check for valid Bluetooth device address is needed. This | |
1996 | * determines if the device will be added as configured or | |
1997 | * unconfigured controller. | |
1998 | * | |
1999 | * It is not possible to use the Secure Boot Parameters in this | |
2000 | * case since that command is only available in bootloader mode. | |
2001 | */ | |
2002 | if (ver->fw_variant == 0x23) { | |
2003 | kfree_skb(skb); | |
2004 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
4185a0f5 | 2005 | btintel_check_bdaddr(hdev); |
cda0dd78 MH |
2006 | return 0; |
2007 | } | |
2008 | ||
2009 | /* If the device is not in bootloader mode, then the only possible | |
2010 | * choice is to return an error and abort the device initialization. | |
2011 | */ | |
2012 | if (ver->fw_variant != 0x06) { | |
2013 | BT_ERR("%s: Unsupported Intel firmware variant (%u)", | |
2014 | hdev->name, ver->fw_variant); | |
2015 | kfree_skb(skb); | |
2016 | return -ENODEV; | |
2017 | } | |
2018 | ||
2019 | kfree_skb(skb); | |
2020 | ||
2021 | /* Read the secure boot parameters to identify the operating | |
2022 | * details of the bootloader. | |
2023 | */ | |
2024 | skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT); | |
2025 | if (IS_ERR(skb)) { | |
2026 | BT_ERR("%s: Reading Intel boot parameters failed (%ld)", | |
2027 | hdev->name, PTR_ERR(skb)); | |
2028 | return PTR_ERR(skb); | |
2029 | } | |
2030 | ||
2031 | if (skb->len != sizeof(*params)) { | |
2032 | BT_ERR("%s: Intel boot parameters size mismatch", hdev->name); | |
2033 | kfree_skb(skb); | |
2034 | return -EILSEQ; | |
2035 | } | |
2036 | ||
2037 | params = (struct intel_boot_params *)skb->data; | |
cda0dd78 MH |
2038 | |
2039 | BT_INFO("%s: Device revision is %u", hdev->name, | |
2040 | le16_to_cpu(params->dev_revid)); | |
2041 | ||
2042 | BT_INFO("%s: Secure boot is %s", hdev->name, | |
2043 | params->secure_boot ? "enabled" : "disabled"); | |
2044 | ||
2045 | BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name, | |
2046 | params->min_fw_build_nn, params->min_fw_build_cw, | |
2047 | 2000 + params->min_fw_build_yy); | |
2048 | ||
2049 | /* It is required that every single firmware fragment is acknowledged | |
2050 | * with a command complete event. If the boot parameters indicate | |
2051 | * that this bootloader does not send them, then abort the setup. | |
2052 | */ | |
2053 | if (params->limited_cce != 0x00) { | |
2054 | BT_ERR("%s: Unsupported Intel firmware loading method (%u)", | |
2055 | hdev->name, params->limited_cce); | |
2056 | kfree_skb(skb); | |
2057 | return -EINVAL; | |
2058 | } | |
2059 | ||
2060 | /* If the OTP has no valid Bluetooth device address, then there will | |
2061 | * also be no valid address for the operational firmware. | |
2062 | */ | |
2063 | if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) { | |
2064 | BT_INFO("%s: No device address configured", hdev->name); | |
2065 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); | |
2066 | } | |
2067 | ||
2068 | /* With this Intel bootloader only the hardware variant and device | |
2069 | * revision information are used to select the right firmware. | |
2070 | * | |
2071 | * Currently this bootloader support is limited to hardware variant | |
2072 | * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b). | |
2073 | */ | |
2074 | snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi", | |
2075 | le16_to_cpu(params->dev_revid)); | |
2076 | ||
2077 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2078 | if (err < 0) { | |
2079 | BT_ERR("%s: Failed to load Intel firmware file (%d)", | |
2080 | hdev->name, err); | |
2081 | kfree_skb(skb); | |
2082 | return err; | |
2083 | } | |
2084 | ||
2085 | BT_INFO("%s: Found device firmware: %s", hdev->name, fwname); | |
2086 | ||
52cc9168 THJA |
2087 | /* Save the DDC file name for later use to apply once the firmware |
2088 | * downloading is done. | |
2089 | */ | |
2090 | snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.ddc", | |
2091 | le16_to_cpu(params->dev_revid)); | |
2092 | ||
cda0dd78 MH |
2093 | kfree_skb(skb); |
2094 | ||
2095 | if (fw->size < 644) { | |
2096 | BT_ERR("%s: Invalid size of firmware file (%zu)", | |
2097 | hdev->name, fw->size); | |
2098 | err = -EBADF; | |
2099 | goto done; | |
2100 | } | |
2101 | ||
2102 | set_bit(BTUSB_DOWNLOADING, &data->flags); | |
2103 | ||
2104 | /* Start the firmware download transaction with the Init fragment | |
2105 | * represented by the 128 bytes of CSS header. | |
2106 | */ | |
2107 | err = btusb_intel_secure_send(hdev, 0x00, 128, fw->data); | |
2108 | if (err < 0) { | |
2109 | BT_ERR("%s: Failed to send firmware header (%d)", | |
2110 | hdev->name, err); | |
2111 | goto done; | |
2112 | } | |
2113 | ||
2114 | /* Send the 256 bytes of public key information from the firmware | |
2115 | * as the PKey fragment. | |
2116 | */ | |
2117 | err = btusb_intel_secure_send(hdev, 0x03, 256, fw->data + 128); | |
2118 | if (err < 0) { | |
2119 | BT_ERR("%s: Failed to send firmware public key (%d)", | |
2120 | hdev->name, err); | |
2121 | goto done; | |
2122 | } | |
2123 | ||
2124 | /* Send the 256 bytes of signature information from the firmware | |
2125 | * as the Sign fragment. | |
2126 | */ | |
2127 | err = btusb_intel_secure_send(hdev, 0x02, 256, fw->data + 388); | |
2128 | if (err < 0) { | |
2129 | BT_ERR("%s: Failed to send firmware signature (%d)", | |
2130 | hdev->name, err); | |
2131 | goto done; | |
2132 | } | |
2133 | ||
2134 | fw_ptr = fw->data + 644; | |
e66890a9 | 2135 | frag_len = 0; |
cda0dd78 MH |
2136 | |
2137 | while (fw_ptr - fw->data < fw->size) { | |
e66890a9 | 2138 | struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len); |
cda0dd78 | 2139 | |
e66890a9 | 2140 | frag_len += sizeof(*cmd) + cmd->plen; |
cda0dd78 | 2141 | |
e66890a9 MH |
2142 | /* The paramter length of the secure send command requires |
2143 | * a 4 byte alignment. It happens so that the firmware file | |
2144 | * contains proper Intel_NOP commands to align the fragments | |
2145 | * as needed. | |
2146 | * | |
2147 | * Send set of commands with 4 byte alignment from the | |
2148 | * firmware data buffer as a single Data fragement. | |
cda0dd78 | 2149 | */ |
e66890a9 MH |
2150 | if (!(frag_len % 4)) { |
2151 | err = btusb_intel_secure_send(hdev, 0x01, frag_len, | |
2152 | fw_ptr); | |
2153 | if (err < 0) { | |
2154 | BT_ERR("%s: Failed to send firmware data (%d)", | |
2155 | hdev->name, err); | |
2156 | goto done; | |
2157 | } | |
cda0dd78 | 2158 | |
e66890a9 MH |
2159 | fw_ptr += frag_len; |
2160 | frag_len = 0; | |
2161 | } | |
cda0dd78 MH |
2162 | } |
2163 | ||
ce6bb929 MH |
2164 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); |
2165 | ||
a087a98e JH |
2166 | BT_INFO("%s: Waiting for firmware download to complete", hdev->name); |
2167 | ||
cda0dd78 MH |
2168 | /* Before switching the device into operational mode and with that |
2169 | * booting the loaded firmware, wait for the bootloader notification | |
2170 | * that all fragments have been successfully received. | |
2171 | * | |
a087a98e JH |
2172 | * When the event processing receives the notification, then the |
2173 | * BTUSB_DOWNLOADING flag will be cleared. | |
2174 | * | |
2175 | * The firmware loading should not take longer than 5 seconds | |
2176 | * and thus just timeout if that happens and fail the setup | |
2177 | * of this device. | |
cda0dd78 | 2178 | */ |
129a7693 JH |
2179 | err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, |
2180 | TASK_INTERRUPTIBLE, | |
2181 | msecs_to_jiffies(5000)); | |
a087a98e JH |
2182 | if (err == 1) { |
2183 | BT_ERR("%s: Firmware loading interrupted", hdev->name); | |
2184 | err = -EINTR; | |
2185 | goto done; | |
2186 | } | |
cda0dd78 | 2187 | |
a087a98e JH |
2188 | if (err) { |
2189 | BT_ERR("%s: Firmware loading timeout", hdev->name); | |
2190 | err = -ETIMEDOUT; | |
2191 | goto done; | |
cda0dd78 MH |
2192 | } |
2193 | ||
2194 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { | |
2195 | BT_ERR("%s: Firmware loading failed", hdev->name); | |
2196 | err = -ENOEXEC; | |
2197 | goto done; | |
2198 | } | |
2199 | ||
2200 | rettime = ktime_get(); | |
2201 | delta = ktime_sub(rettime, calltime); | |
2202 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2203 | ||
2204 | BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration); | |
2205 | ||
2206 | done: | |
2207 | release_firmware(fw); | |
2208 | ||
2209 | if (err < 0) | |
2210 | return err; | |
2211 | ||
2212 | calltime = ktime_get(); | |
2213 | ||
2214 | set_bit(BTUSB_BOOTING, &data->flags); | |
2215 | ||
2216 | skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param, | |
2217 | HCI_INIT_TIMEOUT); | |
2218 | if (IS_ERR(skb)) | |
2219 | return PTR_ERR(skb); | |
2220 | ||
2221 | kfree_skb(skb); | |
2222 | ||
2223 | /* The bootloader will not indicate when the device is ready. This | |
2224 | * is done by the operational firmware sending bootup notification. | |
fad70972 JH |
2225 | * |
2226 | * Booting into operational firmware should not take longer than | |
2227 | * 1 second. However if that happens, then just fail the setup | |
2228 | * since something went wrong. | |
cda0dd78 | 2229 | */ |
fad70972 | 2230 | BT_INFO("%s: Waiting for device to boot", hdev->name); |
cda0dd78 | 2231 | |
129a7693 JH |
2232 | err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, |
2233 | TASK_INTERRUPTIBLE, | |
2234 | msecs_to_jiffies(1000)); | |
cda0dd78 | 2235 | |
fad70972 JH |
2236 | if (err == 1) { |
2237 | BT_ERR("%s: Device boot interrupted", hdev->name); | |
2238 | return -EINTR; | |
2239 | } | |
cda0dd78 | 2240 | |
fad70972 JH |
2241 | if (err) { |
2242 | BT_ERR("%s: Device boot timeout", hdev->name); | |
2243 | return -ETIMEDOUT; | |
cda0dd78 MH |
2244 | } |
2245 | ||
2246 | rettime = ktime_get(); | |
2247 | delta = ktime_sub(rettime, calltime); | |
2248 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2249 | ||
2250 | BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration); | |
2251 | ||
2252 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2253 | ||
52cc9168 THJA |
2254 | /* Once the device is running in operational mode, it needs to apply |
2255 | * the device configuration (DDC) parameters. | |
2256 | * | |
2257 | * The device can work without DDC parameters, so even if it fails | |
2258 | * to load the file, no need to fail the setup. | |
2259 | */ | |
2260 | err = request_firmware_direct(&fw, fwname, &hdev->dev); | |
2261 | if (err < 0) | |
2262 | return 0; | |
2263 | ||
2264 | BT_INFO("%s: Found Intel DDC parameters: %s", hdev->name, fwname); | |
2265 | ||
2266 | fw_ptr = fw->data; | |
2267 | ||
2268 | /* DDC file contains one or more DDC structure which has | |
2269 | * Length (1 byte), DDC ID (2 bytes), and DDC value (Length - 2). | |
2270 | */ | |
2271 | while (fw->size > fw_ptr - fw->data) { | |
2272 | u8 cmd_plen = fw_ptr[0] + sizeof(u8); | |
2273 | ||
2274 | skb = __hci_cmd_sync(hdev, 0xfc8b, cmd_plen, fw_ptr, | |
2275 | HCI_INIT_TIMEOUT); | |
2276 | if (IS_ERR(skb)) { | |
2277 | BT_ERR("%s: Failed to send Intel_Write_DDC (%ld)", | |
2278 | hdev->name, PTR_ERR(skb)); | |
2279 | release_firmware(fw); | |
2280 | return PTR_ERR(skb); | |
2281 | } | |
2282 | ||
2283 | fw_ptr += cmd_plen; | |
2284 | kfree_skb(skb); | |
2285 | } | |
2286 | ||
2287 | release_firmware(fw); | |
2288 | ||
2289 | BT_INFO("%s: Applying Intel DDC parameters completed", hdev->name); | |
2290 | ||
cda0dd78 MH |
2291 | return 0; |
2292 | } | |
2293 | ||
385a768c MH |
2294 | static void btusb_hw_error_intel(struct hci_dev *hdev, u8 code) |
2295 | { | |
2296 | struct sk_buff *skb; | |
2297 | u8 type = 0x00; | |
2298 | ||
2299 | BT_ERR("%s: Hardware error 0x%2.2x", hdev->name, code); | |
2300 | ||
2301 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2302 | if (IS_ERR(skb)) { | |
2303 | BT_ERR("%s: Reset after hardware error failed (%ld)", | |
2304 | hdev->name, PTR_ERR(skb)); | |
2305 | return; | |
2306 | } | |
2307 | kfree_skb(skb); | |
2308 | ||
2309 | skb = __hci_cmd_sync(hdev, 0xfc22, 1, &type, HCI_INIT_TIMEOUT); | |
2310 | if (IS_ERR(skb)) { | |
2311 | BT_ERR("%s: Retrieving Intel exception info failed (%ld)", | |
2312 | hdev->name, PTR_ERR(skb)); | |
2313 | return; | |
2314 | } | |
2315 | ||
2316 | if (skb->len != 13) { | |
2317 | BT_ERR("%s: Exception info size mismatch", hdev->name); | |
2318 | kfree_skb(skb); | |
2319 | return; | |
2320 | } | |
2321 | ||
385a768c MH |
2322 | BT_ERR("%s: Exception info %s", hdev->name, (char *)(skb->data + 1)); |
2323 | ||
2324 | kfree_skb(skb); | |
2325 | } | |
2326 | ||
bfbd45e9 THJA |
2327 | static int btusb_shutdown_intel(struct hci_dev *hdev) |
2328 | { | |
2329 | struct sk_buff *skb; | |
2330 | long ret; | |
2331 | ||
2332 | /* Some platforms have an issue with BT LED when the interface is | |
2333 | * down or BT radio is turned off, which takes 5 seconds to BT LED | |
2334 | * goes off. This command turns off the BT LED immediately. | |
2335 | */ | |
2336 | skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); | |
2337 | if (IS_ERR(skb)) { | |
2338 | ret = PTR_ERR(skb); | |
2339 | BT_ERR("%s: turning off Intel device LED failed (%ld)", | |
2340 | hdev->name, ret); | |
2341 | return ret; | |
2342 | } | |
2343 | kfree_skb(skb); | |
2344 | ||
2345 | return 0; | |
2346 | } | |
2347 | ||
ae8df494 AK |
2348 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
2349 | const bdaddr_t *bdaddr) | |
2350 | { | |
2351 | struct sk_buff *skb; | |
2352 | u8 buf[8]; | |
2353 | long ret; | |
2354 | ||
2355 | buf[0] = 0xfe; | |
2356 | buf[1] = sizeof(bdaddr_t); | |
2357 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
2358 | ||
2359 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2360 | if (IS_ERR(skb)) { | |
2361 | ret = PTR_ERR(skb); | |
2362 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
2363 | hdev->name, ret); | |
2364 | return ret; | |
2365 | } | |
2366 | kfree_skb(skb); | |
2367 | ||
2368 | return 0; | |
2369 | } | |
2370 | ||
5859223e TK |
2371 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
2372 | const bdaddr_t *bdaddr) | |
2373 | { | |
2374 | struct sk_buff *skb; | |
2375 | u8 buf[10]; | |
2376 | long ret; | |
2377 | ||
2378 | buf[0] = 0x01; | |
2379 | buf[1] = 0x01; | |
2380 | buf[2] = 0x00; | |
2381 | buf[3] = sizeof(bdaddr_t); | |
2382 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
2383 | ||
2384 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2385 | if (IS_ERR(skb)) { | |
2386 | ret = PTR_ERR(skb); | |
2387 | BT_ERR("%s: Change address command failed (%ld)", | |
2388 | hdev->name, ret); | |
2389 | return ret; | |
2390 | } | |
2391 | kfree_skb(skb); | |
2392 | ||
2393 | return 0; | |
2394 | } | |
2395 | ||
3267c884 KBYT |
2396 | #define QCA_DFU_PACKET_LEN 4096 |
2397 | ||
2398 | #define QCA_GET_TARGET_VERSION 0x09 | |
2399 | #define QCA_CHECK_STATUS 0x05 | |
2400 | #define QCA_DFU_DOWNLOAD 0x01 | |
2401 | ||
2402 | #define QCA_SYSCFG_UPDATED 0x40 | |
2403 | #define QCA_PATCH_UPDATED 0x80 | |
2404 | #define QCA_DFU_TIMEOUT 3000 | |
2405 | ||
2406 | struct qca_version { | |
2407 | __le32 rom_version; | |
2408 | __le32 patch_version; | |
2409 | __le32 ram_version; | |
2410 | __le32 ref_clock; | |
2411 | __u8 reserved[4]; | |
2412 | } __packed; | |
2413 | ||
2414 | struct qca_rampatch_version { | |
2415 | __le16 rom_version; | |
2416 | __le16 patch_version; | |
2417 | } __packed; | |
2418 | ||
2419 | struct qca_device_info { | |
bf906b3d KBYT |
2420 | u32 rom_version; |
2421 | u8 rampatch_hdr; /* length of header in rampatch */ | |
2422 | u8 nvm_hdr; /* length of header in NVM */ | |
2423 | u8 ver_offset; /* offset of version structure in rampatch */ | |
3267c884 KBYT |
2424 | }; |
2425 | ||
2426 | static const struct qca_device_info qca_devices_table[] = { | |
2427 | { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ | |
2428 | { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ | |
7f6e6363 | 2429 | { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ |
3267c884 KBYT |
2430 | { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ |
2431 | { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ | |
2432 | { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ | |
2433 | }; | |
2434 | ||
2435 | static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request, | |
2436 | void *data, u16 size) | |
2437 | { | |
2438 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2439 | struct usb_device *udev = btdata->udev; | |
2440 | int pipe, err; | |
2441 | u8 *buf; | |
2442 | ||
2443 | buf = kmalloc(size, GFP_KERNEL); | |
2444 | if (!buf) | |
2445 | return -ENOMEM; | |
2446 | ||
2447 | /* Found some of USB hosts have IOT issues with ours so that we should | |
2448 | * not wait until HCI layer is ready. | |
2449 | */ | |
2450 | pipe = usb_rcvctrlpipe(udev, 0); | |
2451 | err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, | |
2452 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2453 | if (err < 0) { | |
2454 | BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err); | |
2455 | goto done; | |
2456 | } | |
2457 | ||
2458 | memcpy(data, buf, size); | |
2459 | ||
2460 | done: | |
2461 | kfree(buf); | |
2462 | ||
2463 | return err; | |
2464 | } | |
2465 | ||
2466 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, | |
2467 | const struct firmware *firmware, | |
2468 | size_t hdr_size) | |
2469 | { | |
2470 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2471 | struct usb_device *udev = btdata->udev; | |
2472 | size_t count, size, sent = 0; | |
2473 | int pipe, len, err; | |
2474 | u8 *buf; | |
2475 | ||
2476 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); | |
2477 | if (!buf) | |
2478 | return -ENOMEM; | |
2479 | ||
2480 | count = firmware->size; | |
2481 | ||
2482 | size = min_t(size_t, count, hdr_size); | |
2483 | memcpy(buf, firmware->data, size); | |
2484 | ||
2485 | /* USB patches should go down to controller through USB path | |
2486 | * because binary format fits to go down through USB channel. | |
2487 | * USB control path is for patching headers and USB bulk is for | |
2488 | * patch body. | |
2489 | */ | |
2490 | pipe = usb_sndctrlpipe(udev, 0); | |
2491 | err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, | |
2492 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2493 | if (err < 0) { | |
2494 | BT_ERR("%s: Failed to send headers (%d)", hdev->name, err); | |
2495 | goto done; | |
2496 | } | |
2497 | ||
2498 | sent += size; | |
2499 | count -= size; | |
2500 | ||
2501 | while (count) { | |
2502 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); | |
2503 | ||
2504 | memcpy(buf, firmware->data + sent, size); | |
2505 | ||
2506 | pipe = usb_sndbulkpipe(udev, 0x02); | |
2507 | err = usb_bulk_msg(udev, pipe, buf, size, &len, | |
2508 | QCA_DFU_TIMEOUT); | |
2509 | if (err < 0) { | |
2510 | BT_ERR("%s: Failed to send body at %zd of %zd (%d)", | |
2511 | hdev->name, sent, firmware->size, err); | |
2512 | break; | |
2513 | } | |
2514 | ||
2515 | if (size != len) { | |
2516 | BT_ERR("%s: Failed to get bulk buffer", hdev->name); | |
2517 | err = -EILSEQ; | |
2518 | break; | |
2519 | } | |
2520 | ||
2521 | sent += size; | |
2522 | count -= size; | |
2523 | } | |
2524 | ||
2525 | done: | |
2526 | kfree(buf); | |
2527 | return err; | |
2528 | } | |
2529 | ||
2530 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, | |
2531 | struct qca_version *ver, | |
2532 | const struct qca_device_info *info) | |
2533 | { | |
2534 | struct qca_rampatch_version *rver; | |
2535 | const struct firmware *fw; | |
bf906b3d KBYT |
2536 | u32 ver_rom, ver_patch; |
2537 | u16 rver_rom, rver_patch; | |
3267c884 KBYT |
2538 | char fwname[64]; |
2539 | int err; | |
2540 | ||
bf906b3d KBYT |
2541 | ver_rom = le32_to_cpu(ver->rom_version); |
2542 | ver_patch = le32_to_cpu(ver->patch_version); | |
2543 | ||
2544 | snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); | |
3267c884 KBYT |
2545 | |
2546 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2547 | if (err) { | |
2548 | BT_ERR("%s: failed to request rampatch file: %s (%d)", | |
2549 | hdev->name, fwname, err); | |
2550 | return err; | |
2551 | } | |
2552 | ||
2553 | BT_INFO("%s: using rampatch file: %s", hdev->name, fwname); | |
bf906b3d | 2554 | |
3267c884 | 2555 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
bf906b3d KBYT |
2556 | rver_rom = le16_to_cpu(rver->rom_version); |
2557 | rver_patch = le16_to_cpu(rver->patch_version); | |
2558 | ||
3267c884 | 2559 | BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x " |
bf906b3d KBYT |
2560 | "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom, |
2561 | ver_patch); | |
3267c884 | 2562 | |
bf906b3d | 2563 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
3267c884 KBYT |
2564 | BT_ERR("%s: rampatch file version did not match with firmware", |
2565 | hdev->name); | |
2566 | err = -EINVAL; | |
2567 | goto done; | |
2568 | } | |
2569 | ||
2570 | err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); | |
2571 | ||
2572 | done: | |
2573 | release_firmware(fw); | |
2574 | ||
2575 | return err; | |
2576 | } | |
2577 | ||
2578 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, | |
2579 | struct qca_version *ver, | |
2580 | const struct qca_device_info *info) | |
2581 | { | |
2582 | const struct firmware *fw; | |
2583 | char fwname[64]; | |
2584 | int err; | |
2585 | ||
2586 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", | |
2587 | le32_to_cpu(ver->rom_version)); | |
2588 | ||
2589 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2590 | if (err) { | |
2591 | BT_ERR("%s: failed to request NVM file: %s (%d)", | |
2592 | hdev->name, fwname, err); | |
2593 | return err; | |
2594 | } | |
2595 | ||
2596 | BT_INFO("%s: using NVM file: %s", hdev->name, fwname); | |
2597 | ||
2598 | err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); | |
2599 | ||
2600 | release_firmware(fw); | |
2601 | ||
2602 | return err; | |
2603 | } | |
2604 | ||
2605 | static int btusb_setup_qca(struct hci_dev *hdev) | |
2606 | { | |
2607 | const struct qca_device_info *info = NULL; | |
2608 | struct qca_version ver; | |
bf906b3d | 2609 | u32 ver_rom; |
3267c884 KBYT |
2610 | u8 status; |
2611 | int i, err; | |
2612 | ||
2613 | err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver, | |
eb50042f | 2614 | sizeof(ver)); |
3267c884 KBYT |
2615 | if (err < 0) |
2616 | return err; | |
2617 | ||
bf906b3d | 2618 | ver_rom = le32_to_cpu(ver.rom_version); |
3267c884 | 2619 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
bf906b3d | 2620 | if (ver_rom == qca_devices_table[i].rom_version) |
3267c884 KBYT |
2621 | info = &qca_devices_table[i]; |
2622 | } | |
2623 | if (!info) { | |
2624 | BT_ERR("%s: don't support firmware rome 0x%x", hdev->name, | |
bf906b3d | 2625 | ver_rom); |
3267c884 KBYT |
2626 | return -ENODEV; |
2627 | } | |
2628 | ||
2629 | err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status, | |
2630 | sizeof(status)); | |
2631 | if (err < 0) | |
2632 | return err; | |
2633 | ||
2634 | if (!(status & QCA_PATCH_UPDATED)) { | |
2635 | err = btusb_setup_qca_load_rampatch(hdev, &ver, info); | |
2636 | if (err < 0) | |
2637 | return err; | |
2638 | } | |
2639 | ||
2640 | if (!(status & QCA_SYSCFG_UPDATED)) { | |
2641 | err = btusb_setup_qca_load_nvm(hdev, &ver, info); | |
2642 | if (err < 0) | |
2643 | return err; | |
2644 | } | |
2645 | ||
2646 | return 0; | |
2647 | } | |
2648 | ||
5e23b923 | 2649 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 2650 | const struct usb_device_id *id) |
5e23b923 MH |
2651 | { |
2652 | struct usb_endpoint_descriptor *ep_desc; | |
2653 | struct btusb_data *data; | |
2654 | struct hci_dev *hdev; | |
2655 | int i, err; | |
2656 | ||
2657 | BT_DBG("intf %p id %p", intf, id); | |
2658 | ||
cfeb4145 | 2659 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
2660 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
2661 | return -ENODEV; | |
2662 | ||
2663 | if (!id->driver_info) { | |
2664 | const struct usb_device_id *match; | |
89e7533d | 2665 | |
5e23b923 MH |
2666 | match = usb_match_id(intf, blacklist_table); |
2667 | if (match) | |
2668 | id = match; | |
2669 | } | |
2670 | ||
cfeb4145 MH |
2671 | if (id->driver_info == BTUSB_IGNORE) |
2672 | return -ENODEV; | |
2673 | ||
2d25f8b4 SL |
2674 | if (id->driver_info & BTUSB_ATH3012) { |
2675 | struct usb_device *udev = interface_to_usbdev(intf); | |
2676 | ||
2677 | /* Old firmware would otherwise let ath3k driver load | |
2678 | * patch and sysconfig files */ | |
2679 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
2680 | return -ENODEV; | |
2681 | } | |
2682 | ||
98921dbd | 2683 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
2684 | if (!data) |
2685 | return -ENOMEM; | |
2686 | ||
2687 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2688 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2689 | ||
2690 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
2691 | data->intr_ep = ep_desc; | |
2692 | continue; | |
2693 | } | |
2694 | ||
2695 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2696 | data->bulk_tx_ep = ep_desc; | |
2697 | continue; | |
2698 | } | |
2699 | ||
2700 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2701 | data->bulk_rx_ep = ep_desc; | |
2702 | continue; | |
2703 | } | |
2704 | } | |
2705 | ||
98921dbd | 2706 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 2707 | return -ENODEV; |
5e23b923 | 2708 | |
893ba544 MH |
2709 | if (id->driver_info & BTUSB_AMP) { |
2710 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; | |
2711 | data->cmdreq = 0x2b; | |
2712 | } else { | |
2713 | data->cmdreq_type = USB_TYPE_CLASS; | |
2714 | data->cmdreq = 0x00; | |
2715 | } | |
7a9d4020 | 2716 | |
5e23b923 | 2717 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2718 | data->intf = intf; |
5e23b923 | 2719 | |
5e23b923 | 2720 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2721 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2722 | init_usb_anchor(&data->deferred); |
2723 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2724 | spin_lock_init(&data->txlock); |
5e23b923 | 2725 | |
5e23b923 MH |
2726 | init_usb_anchor(&data->intr_anchor); |
2727 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 2728 | init_usb_anchor(&data->isoc_anchor); |
803b5836 | 2729 | spin_lock_init(&data->rxlock); |
5e23b923 | 2730 | |
cda0dd78 MH |
2731 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2732 | data->recv_event = btusb_recv_event_intel; | |
2733 | data->recv_bulk = btusb_recv_bulk_intel; | |
2734 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
2735 | } else { | |
2736 | data->recv_event = hci_recv_frame; | |
2737 | data->recv_bulk = btusb_recv_bulk; | |
2738 | } | |
2cbd3f5c | 2739 | |
5e23b923 | 2740 | hdev = hci_alloc_dev(); |
98921dbd | 2741 | if (!hdev) |
5e23b923 | 2742 | return -ENOMEM; |
5e23b923 | 2743 | |
c13854ce | 2744 | hdev->bus = HCI_USB; |
155961e8 | 2745 | hci_set_drvdata(hdev, data); |
5e23b923 | 2746 | |
893ba544 MH |
2747 | if (id->driver_info & BTUSB_AMP) |
2748 | hdev->dev_type = HCI_AMP; | |
2749 | else | |
2750 | hdev->dev_type = HCI_BREDR; | |
2751 | ||
5e23b923 MH |
2752 | data->hdev = hdev; |
2753 | ||
2754 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
2755 | ||
9f8f962c MH |
2756 | hdev->open = btusb_open; |
2757 | hdev->close = btusb_close; | |
2758 | hdev->flush = btusb_flush; | |
2759 | hdev->send = btusb_send_frame; | |
2760 | hdev->notify = btusb_notify; | |
2761 | ||
2762 | if (id->driver_info & BTUSB_BCM92035) | |
2763 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 2764 | |
c2bfb100 | 2765 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
abbaf50e | 2766 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
c2bfb100 | 2767 | hdev->setup = btbcm_setup_patchram; |
1df1f591 | 2768 | hdev->set_bdaddr = btbcm_set_bdaddr; |
abbaf50e | 2769 | } |
10d4c673 | 2770 | |
941521e2 | 2771 | if (id->driver_info & BTUSB_BCM_APPLE) |
c2bfb100 | 2772 | hdev->setup = btbcm_setup_apple; |
c2bfb100 | 2773 | #endif |
17b2772b | 2774 | |
cb8d6597 | 2775 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 2776 | hdev->setup = btusb_setup_intel; |
bfbd45e9 | 2777 | hdev->shutdown = btusb_shutdown_intel; |
4185a0f5 | 2778 | hdev->set_bdaddr = btintel_set_bdaddr; |
c33fb9b4 | 2779 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
c1154842 | 2780 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
cb8d6597 | 2781 | } |
dffd30ee | 2782 | |
cda0dd78 MH |
2783 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2784 | hdev->send = btusb_send_frame_intel; | |
2785 | hdev->setup = btusb_setup_intel_new; | |
385a768c | 2786 | hdev->hw_error = btusb_hw_error_intel; |
4185a0f5 | 2787 | hdev->set_bdaddr = btintel_set_bdaddr; |
b970c5ba | 2788 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
cda0dd78 MH |
2789 | } |
2790 | ||
ae8df494 AK |
2791 | if (id->driver_info & BTUSB_MARVELL) |
2792 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
2793 | ||
661cf88a MH |
2794 | if (id->driver_info & BTUSB_SWAVE) { |
2795 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
d57dbe77 | 2796 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
661cf88a | 2797 | } |
d57dbe77 | 2798 | |
40df783d MH |
2799 | if (id->driver_info & BTUSB_INTEL_BOOT) |
2800 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2801 | ||
79f0c87d | 2802 | if (id->driver_info & BTUSB_ATH3012) { |
5859223e | 2803 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
3d50d51a | 2804 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
79f0c87d JP |
2805 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
2806 | } | |
5859223e | 2807 | |
3267c884 KBYT |
2808 | if (id->driver_info & BTUSB_QCA_ROME) { |
2809 | data->setup_on_usb = btusb_setup_qca; | |
2810 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
2811 | } | |
2812 | ||
db33c77d | 2813 | #ifdef CONFIG_BT_HCIBTUSB_RTL |
04b8c814 | 2814 | if (id->driver_info & BTUSB_REALTEK) { |
db33c77d | 2815 | hdev->setup = btrtl_setup_realtek; |
04b8c814 DD |
2816 | |
2817 | /* Realtek devices lose their updated firmware over suspend, | |
2818 | * but the USB hub doesn't notice any status change. | |
2819 | * Explicitly request a device reset on resume. | |
2820 | */ | |
2821 | set_bit(BTUSB_RESET_RESUME, &data->flags); | |
2822 | } | |
db33c77d | 2823 | #endif |
a2698a9b | 2824 | |
893ba544 MH |
2825 | if (id->driver_info & BTUSB_AMP) { |
2826 | /* AMP controllers do not support SCO packets */ | |
2827 | data->isoc = NULL; | |
2828 | } else { | |
2829 | /* Interface numbers are hardcoded in the specification */ | |
2830 | data->isoc = usb_ifnum_to_if(data->udev, 1); | |
2831 | } | |
9bfa35fe | 2832 | |
7a9d4020 | 2833 | if (!reset) |
a6c511c6 | 2834 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
2835 | |
2836 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
2837 | if (!disable_scofix) | |
2838 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
2839 | } | |
2840 | ||
9bfa35fe MH |
2841 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
2842 | data->isoc = NULL; | |
2843 | ||
7a9d4020 MH |
2844 | if (id->driver_info & BTUSB_DIGIANSWER) { |
2845 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 2846 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
2847 | } |
2848 | ||
2849 | if (id->driver_info & BTUSB_CSR) { | |
2850 | struct usb_device *udev = data->udev; | |
81cac64b | 2851 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
2852 | |
2853 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 2854 | if (bcdDevice < 0x117) |
a6c511c6 | 2855 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
2856 | |
2857 | /* Fake CSR devices with broken commands */ | |
2858 | if (bcdDevice <= 0x100) | |
2859 | hdev->setup = btusb_setup_csr; | |
49c989a0 JP |
2860 | |
2861 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
7a9d4020 MH |
2862 | } |
2863 | ||
cfeb4145 | 2864 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 2865 | struct usb_device *udev = data->udev; |
cfeb4145 | 2866 | |
7a9d4020 | 2867 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
2868 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
2869 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2870 | } | |
2871 | ||
3a5ef20c MH |
2872 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
2873 | /* A bug in the bootloader causes that interrupt interface is | |
2874 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
2875 | */ | |
2876 | err = usb_set_interface(data->udev, 0, 0); | |
2877 | if (err < 0) { | |
2878 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
2879 | hci_free_dev(hdev); | |
2880 | return err; | |
2881 | } | |
2882 | } | |
2883 | ||
9bfa35fe MH |
2884 | if (data->isoc) { |
2885 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 2886 | data->isoc, data); |
9bfa35fe MH |
2887 | if (err < 0) { |
2888 | hci_free_dev(hdev); | |
9bfa35fe MH |
2889 | return err; |
2890 | } | |
2891 | } | |
2892 | ||
5e23b923 MH |
2893 | err = hci_register_dev(hdev); |
2894 | if (err < 0) { | |
2895 | hci_free_dev(hdev); | |
5e23b923 MH |
2896 | return err; |
2897 | } | |
2898 | ||
2899 | usb_set_intfdata(intf, data); | |
2900 | ||
2901 | return 0; | |
2902 | } | |
2903 | ||
2904 | static void btusb_disconnect(struct usb_interface *intf) | |
2905 | { | |
2906 | struct btusb_data *data = usb_get_intfdata(intf); | |
2907 | struct hci_dev *hdev; | |
2908 | ||
2909 | BT_DBG("intf %p", intf); | |
2910 | ||
2911 | if (!data) | |
2912 | return; | |
2913 | ||
2914 | hdev = data->hdev; | |
5fbcd260 MH |
2915 | usb_set_intfdata(data->intf, NULL); |
2916 | ||
2917 | if (data->isoc) | |
2918 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
2919 | |
2920 | hci_unregister_dev(hdev); | |
2921 | ||
5fbcd260 MH |
2922 | if (intf == data->isoc) |
2923 | usb_driver_release_interface(&btusb_driver, data->intf); | |
2924 | else if (data->isoc) | |
2925 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
2926 | ||
5e23b923 MH |
2927 | hci_free_dev(hdev); |
2928 | } | |
2929 | ||
7bee549e | 2930 | #ifdef CONFIG_PM |
6a88adf2 MH |
2931 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
2932 | { | |
2933 | struct btusb_data *data = usb_get_intfdata(intf); | |
2934 | ||
2935 | BT_DBG("intf %p", intf); | |
2936 | ||
2937 | if (data->suspend_count++) | |
2938 | return 0; | |
2939 | ||
7bee549e | 2940 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 2941 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
2942 | set_bit(BTUSB_SUSPENDING, &data->flags); |
2943 | spin_unlock_irq(&data->txlock); | |
2944 | } else { | |
2945 | spin_unlock_irq(&data->txlock); | |
2946 | data->suspend_count--; | |
2947 | return -EBUSY; | |
2948 | } | |
2949 | ||
6a88adf2 MH |
2950 | cancel_work_sync(&data->work); |
2951 | ||
7bee549e | 2952 | btusb_stop_traffic(data); |
6a88adf2 MH |
2953 | usb_kill_anchored_urbs(&data->tx_anchor); |
2954 | ||
04b8c814 DD |
2955 | /* Optionally request a device reset on resume, but only when |
2956 | * wakeups are disabled. If wakeups are enabled we assume the | |
2957 | * device will stay powered up throughout suspend. | |
2958 | */ | |
2959 | if (test_bit(BTUSB_RESET_RESUME, &data->flags) && | |
2960 | !device_may_wakeup(&data->udev->dev)) | |
2961 | data->udev->reset_resume = 1; | |
2962 | ||
6a88adf2 MH |
2963 | return 0; |
2964 | } | |
2965 | ||
7bee549e ON |
2966 | static void play_deferred(struct btusb_data *data) |
2967 | { | |
2968 | struct urb *urb; | |
2969 | int err; | |
2970 | ||
2971 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
2972 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
2973 | if (err < 0) | |
2974 | break; | |
2975 | ||
2976 | data->tx_in_flight++; | |
2977 | } | |
2978 | usb_scuttle_anchored_urbs(&data->deferred); | |
2979 | } | |
2980 | ||
6a88adf2 MH |
2981 | static int btusb_resume(struct usb_interface *intf) |
2982 | { | |
2983 | struct btusb_data *data = usb_get_intfdata(intf); | |
2984 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 2985 | int err = 0; |
6a88adf2 MH |
2986 | |
2987 | BT_DBG("intf %p", intf); | |
2988 | ||
2989 | if (--data->suspend_count) | |
2990 | return 0; | |
2991 | ||
2992 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 2993 | goto done; |
6a88adf2 MH |
2994 | |
2995 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
2996 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
2997 | if (err < 0) { | |
2998 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 2999 | goto failed; |
6a88adf2 MH |
3000 | } |
3001 | } | |
3002 | ||
3003 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
3004 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
3005 | if (err < 0) { | |
6a88adf2 | 3006 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
3007 | goto failed; |
3008 | } | |
3009 | ||
3010 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
3011 | } |
3012 | ||
3013 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
3014 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
3015 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
3016 | else | |
3017 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
3018 | } | |
3019 | ||
7bee549e ON |
3020 | spin_lock_irq(&data->txlock); |
3021 | play_deferred(data); | |
3022 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
3023 | spin_unlock_irq(&data->txlock); | |
3024 | schedule_work(&data->work); | |
3025 | ||
6a88adf2 | 3026 | return 0; |
7bee549e ON |
3027 | |
3028 | failed: | |
3029 | usb_scuttle_anchored_urbs(&data->deferred); | |
3030 | done: | |
3031 | spin_lock_irq(&data->txlock); | |
3032 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
3033 | spin_unlock_irq(&data->txlock); | |
3034 | ||
3035 | return err; | |
6a88adf2 | 3036 | } |
7bee549e | 3037 | #endif |
6a88adf2 | 3038 | |
5e23b923 MH |
3039 | static struct usb_driver btusb_driver = { |
3040 | .name = "btusb", | |
3041 | .probe = btusb_probe, | |
3042 | .disconnect = btusb_disconnect, | |
7bee549e | 3043 | #ifdef CONFIG_PM |
6a88adf2 MH |
3044 | .suspend = btusb_suspend, |
3045 | .resume = btusb_resume, | |
7bee549e | 3046 | #endif |
5e23b923 | 3047 | .id_table = btusb_table, |
7bee549e | 3048 | .supports_autosuspend = 1, |
e1f12eb6 | 3049 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
3050 | }; |
3051 | ||
93f1508c | 3052 | module_usb_driver(btusb_driver); |
5e23b923 | 3053 | |
cfeb4145 MH |
3054 | module_param(disable_scofix, bool, 0644); |
3055 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
3056 | ||
3057 | module_param(force_scofix, bool, 0644); | |
3058 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
3059 | ||
3060 | module_param(reset, bool, 0644); | |
3061 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
3062 | ||
5e23b923 MH |
3063 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
3064 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
3065 | MODULE_VERSION(VERSION); | |
3066 | MODULE_LICENSE("GPL"); |