Commit | Line | Data |
---|---|---|
5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 25 | #include <linux/usb.h> |
dffd30ee | 26 | #include <linux/firmware.h> |
5e23b923 MH |
27 | |
28 | #include <net/bluetooth/bluetooth.h> | |
29 | #include <net/bluetooth/hci_core.h> | |
30 | ||
cda0dd78 | 31 | #define VERSION "0.7" |
cfeb4145 | 32 | |
90ab5ee9 RR |
33 | static bool disable_scofix; |
34 | static bool force_scofix; | |
7a9d4020 | 35 | |
90ab5ee9 | 36 | static bool reset = 1; |
cfeb4145 MH |
37 | |
38 | static struct usb_driver btusb_driver; | |
39 | ||
40 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
41 | #define BTUSB_DIGIANSWER 0x02 |
42 | #define BTUSB_CSR 0x04 | |
43 | #define BTUSB_SNIFFER 0x08 | |
44 | #define BTUSB_BCM92035 0x10 | |
45 | #define BTUSB_BROKEN_ISOC 0x20 | |
46 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 47 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 48 | #define BTUSB_INTEL 0x100 |
40df783d MH |
49 | #define BTUSB_INTEL_BOOT 0x200 |
50 | #define BTUSB_BCM_PATCHRAM 0x400 | |
ae8df494 | 51 | #define BTUSB_MARVELL 0x800 |
4fcef8ed | 52 | #define BTUSB_SWAVE 0x1000 |
cda0dd78 | 53 | #define BTUSB_INTEL_NEW 0x2000 |
5e23b923 | 54 | |
54265202 | 55 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
56 | /* Generic Bluetooth USB device */ |
57 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
58 | ||
1fa6535f HR |
59 | /* Apple-specific (Broadcom) devices */ |
60 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, | |
61 | ||
178c059e CYC |
62 | /* MediaTek MT76x0E */ |
63 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
64 | ||
c510eae3 | 65 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 66 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 67 | |
3cd01976 NI |
68 | /* Apple MacBookPro 7,1 */ |
69 | { USB_DEVICE(0x05ac, 0x8213) }, | |
70 | ||
0a79f674 CL |
71 | /* Apple iMac11,1 */ |
72 | { USB_DEVICE(0x05ac, 0x8215) }, | |
73 | ||
9c047157 NI |
74 | /* Apple MacBookPro6,2 */ |
75 | { USB_DEVICE(0x05ac, 0x8218) }, | |
76 | ||
3e3ede7d EH |
77 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
78 | { USB_DEVICE(0x05ac, 0x821b) }, | |
79 | ||
a63b723d PAVM |
80 | /* Apple MacBookAir4,1 */ |
81 | { USB_DEVICE(0x05ac, 0x821f) }, | |
82 | ||
88d377b6 MAP |
83 | /* Apple MacBookPro8,2 */ |
84 | { USB_DEVICE(0x05ac, 0x821a) }, | |
85 | ||
f78b6826 JK |
86 | /* Apple MacMini5,1 */ |
87 | { USB_DEVICE(0x05ac, 0x8281) }, | |
88 | ||
cfeb4145 | 89 | /* AVM BlueFRITZ! USB v2.0 */ |
4fcef8ed | 90 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
cfeb4145 MH |
91 | |
92 | /* Bluetooth Ultraport Module from IBM */ | |
93 | { USB_DEVICE(0x04bf, 0x030a) }, | |
94 | ||
95 | /* ALPS Modules with non-standard id */ | |
96 | { USB_DEVICE(0x044e, 0x3001) }, | |
97 | { USB_DEVICE(0x044e, 0x3002) }, | |
98 | ||
99 | /* Ericsson with non-standard id */ | |
100 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
101 | ||
102 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 103 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 104 | |
d13431ca | 105 | /* Broadcom BCM20702A0 */ |
0b880062 AS |
106 | { USB_DEVICE(0x0489, 0xe042) }, |
107 | { USB_DEVICE(0x04ca, 0x2003) }, | |
1ee3ff61 | 108 | { USB_DEVICE(0x0b05, 0x17b5) }, |
38a172be | 109 | { USB_DEVICE(0x0b05, 0x17cb) }, |
d13431ca | 110 | { USB_DEVICE(0x413c, 0x8197) }, |
a86c02ea F |
111 | { USB_DEVICE(0x13d3, 0x3404), |
112 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
d13431ca | 113 | |
d049f4e5 MH |
114 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
115 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, | |
116 | ||
98514036 | 117 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
118 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
119 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 120 | |
0b880062 | 121 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
122 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
123 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 124 | |
c2aef6e8 | 125 | /* ASUSTek Computer - Broadcom based */ |
9a5abdaa RD |
126 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
127 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
c2aef6e8 | 128 | |
5bcecf32 KB |
129 | /* Belkin F8065bf - Broadcom based */ |
130 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, | |
131 | ||
9113bfd8 JK |
132 | /* IMC Networks - Broadcom based */ |
133 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, | |
134 | ||
40df783d | 135 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
136 | { USB_DEVICE(0x8087, 0x0a5a), |
137 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 138 | |
5e23b923 MH |
139 | { } /* Terminating entry */ |
140 | }; | |
141 | ||
142 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
143 | ||
54265202 | 144 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
145 | /* CSR BlueCore devices */ |
146 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
147 | ||
148 | /* Broadcom BCM2033 without firmware */ | |
149 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
150 | ||
be93112a | 151 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
152 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
153 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
154 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, | |
be93112a | 155 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 156 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 157 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 158 | |
509e7861 CYC |
159 | /* Atheros AR9285 Malbec with sflash firmware */ |
160 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
161 | ||
d9f51b51 | 162 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
163 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
164 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
165 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
166 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
167 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
4b552bc9 | 168 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
169 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
170 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
171 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
172 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 173 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
174 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
175 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
134d3b35 | 176 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
177 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
178 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
89d2975f | 179 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 180 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 181 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 182 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 183 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 184 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 185 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 186 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 187 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 188 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 189 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 190 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 191 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
192 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
193 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 194 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 195 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 196 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
033efa92 | 197 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 198 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 199 | |
e9036e33 CYC |
200 | /* Atheros AR5BBU12 with sflash firmware */ |
201 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
202 | ||
85d59726 | 203 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 204 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 205 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 206 | |
cfeb4145 | 207 | /* Broadcom BCM2035 */ |
7a9d4020 | 208 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
209 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
210 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
211 | |
212 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
213 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
214 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 215 | |
cfeb4145 | 216 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
217 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
218 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
219 | |
220 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 221 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
222 | |
223 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 224 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 225 | |
5ddd4a60 | 226 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 227 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 228 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 229 | |
7a9d4020 MH |
230 | /* Belkin F8T012 and F8T013 devices */ |
231 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
232 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 233 | |
5ddd4a60 MH |
234 | /* Asus WL-BTD202 device */ |
235 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
236 | ||
237 | /* Kensington Bluetooth USB adapter */ | |
238 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
239 | ||
cfeb4145 MH |
240 | /* RTX Telecom based adapters with buggy SCO support */ |
241 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
242 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
243 | ||
244 | /* CONWISE Technology based adapters with buggy SCO support */ | |
245 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
246 | ||
4fcef8ed MH |
247 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
248 | { USB_DEVICE(0x1300, 0x0001), .driver_info = BTUSB_SWAVE }, | |
249 | ||
cfeb4145 MH |
250 | /* Digianswer devices */ |
251 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
252 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
253 | ||
254 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
255 | { USB_DEVICE(0x0a12, 0x0002), |
256 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
257 | |
258 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
259 | { USB_DEVICE(0x16d3, 0x0002), |
260 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 261 | |
dffd30ee THJA |
262 | /* Intel Bluetooth device */ |
263 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
ef4e5e4a | 264 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
cda0dd78 | 265 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, |
dffd30ee | 266 | |
ae8df494 AK |
267 | /* Marvell device */ |
268 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
269 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
270 | ||
5e23b923 MH |
271 | { } /* Terminating entry */ |
272 | }; | |
273 | ||
9bfa35fe MH |
274 | #define BTUSB_MAX_ISOC_FRAMES 10 |
275 | ||
5e23b923 MH |
276 | #define BTUSB_INTR_RUNNING 0 |
277 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 278 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 279 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 280 | #define BTUSB_DID_ISO_RESUME 4 |
cda0dd78 MH |
281 | #define BTUSB_BOOTLOADER 5 |
282 | #define BTUSB_DOWNLOADING 6 | |
283 | #define BTUSB_BOOTING 7 | |
284 | #define BTUSB_FIRMWARE_FAILED 8 | |
5e23b923 MH |
285 | |
286 | struct btusb_data { | |
287 | struct hci_dev *hdev; | |
288 | struct usb_device *udev; | |
5fbcd260 | 289 | struct usb_interface *intf; |
9bfa35fe | 290 | struct usb_interface *isoc; |
5e23b923 | 291 | |
5e23b923 MH |
292 | unsigned long flags; |
293 | ||
294 | struct work_struct work; | |
7bee549e | 295 | struct work_struct waker; |
5e23b923 | 296 | |
803b5836 | 297 | struct usb_anchor deferred; |
5e23b923 | 298 | struct usb_anchor tx_anchor; |
803b5836 MH |
299 | int tx_in_flight; |
300 | spinlock_t txlock; | |
301 | ||
5e23b923 MH |
302 | struct usb_anchor intr_anchor; |
303 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 304 | struct usb_anchor isoc_anchor; |
803b5836 MH |
305 | spinlock_t rxlock; |
306 | ||
307 | struct sk_buff *evt_skb; | |
308 | struct sk_buff *acl_skb; | |
309 | struct sk_buff *sco_skb; | |
5e23b923 MH |
310 | |
311 | struct usb_endpoint_descriptor *intr_ep; | |
312 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
313 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
314 | struct usb_endpoint_descriptor *isoc_tx_ep; |
315 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
316 | ||
7a9d4020 MH |
317 | __u8 cmdreq_type; |
318 | ||
43c2e57f | 319 | unsigned int sco_num; |
9bfa35fe | 320 | int isoc_altsetting; |
6a88adf2 | 321 | int suspend_count; |
2cbd3f5c | 322 | |
97307f51 | 323 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
2cbd3f5c | 324 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
5e23b923 MH |
325 | }; |
326 | ||
803b5836 MH |
327 | static inline void btusb_free_frags(struct btusb_data *data) |
328 | { | |
329 | unsigned long flags; | |
330 | ||
331 | spin_lock_irqsave(&data->rxlock, flags); | |
332 | ||
333 | kfree_skb(data->evt_skb); | |
334 | data->evt_skb = NULL; | |
335 | ||
336 | kfree_skb(data->acl_skb); | |
337 | data->acl_skb = NULL; | |
338 | ||
339 | kfree_skb(data->sco_skb); | |
340 | data->sco_skb = NULL; | |
341 | ||
342 | spin_unlock_irqrestore(&data->rxlock, flags); | |
343 | } | |
344 | ||
1ffa4ad0 MH |
345 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
346 | { | |
803b5836 MH |
347 | struct sk_buff *skb; |
348 | int err = 0; | |
349 | ||
350 | spin_lock(&data->rxlock); | |
351 | skb = data->evt_skb; | |
352 | ||
353 | while (count) { | |
354 | int len; | |
355 | ||
356 | if (!skb) { | |
357 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
358 | if (!skb) { | |
359 | err = -ENOMEM; | |
360 | break; | |
361 | } | |
362 | ||
363 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
364 | bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE; | |
365 | } | |
366 | ||
367 | len = min_t(uint, bt_cb(skb)->expect, count); | |
368 | memcpy(skb_put(skb, len), buffer, len); | |
369 | ||
370 | count -= len; | |
371 | buffer += len; | |
372 | bt_cb(skb)->expect -= len; | |
373 | ||
374 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
375 | /* Complete event header */ | |
376 | bt_cb(skb)->expect = hci_event_hdr(skb)->plen; | |
377 | ||
378 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
379 | kfree_skb(skb); | |
380 | skb = NULL; | |
381 | ||
382 | err = -EILSEQ; | |
383 | break; | |
384 | } | |
385 | } | |
386 | ||
387 | if (bt_cb(skb)->expect == 0) { | |
388 | /* Complete frame */ | |
97307f51 | 389 | data->recv_event(data->hdev, skb); |
803b5836 MH |
390 | skb = NULL; |
391 | } | |
392 | } | |
393 | ||
394 | data->evt_skb = skb; | |
395 | spin_unlock(&data->rxlock); | |
396 | ||
397 | return err; | |
1ffa4ad0 MH |
398 | } |
399 | ||
400 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
401 | { | |
803b5836 MH |
402 | struct sk_buff *skb; |
403 | int err = 0; | |
404 | ||
405 | spin_lock(&data->rxlock); | |
406 | skb = data->acl_skb; | |
407 | ||
408 | while (count) { | |
409 | int len; | |
410 | ||
411 | if (!skb) { | |
412 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
413 | if (!skb) { | |
414 | err = -ENOMEM; | |
415 | break; | |
416 | } | |
417 | ||
418 | bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; | |
419 | bt_cb(skb)->expect = HCI_ACL_HDR_SIZE; | |
420 | } | |
421 | ||
422 | len = min_t(uint, bt_cb(skb)->expect, count); | |
423 | memcpy(skb_put(skb, len), buffer, len); | |
424 | ||
425 | count -= len; | |
426 | buffer += len; | |
427 | bt_cb(skb)->expect -= len; | |
428 | ||
429 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
430 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
431 | ||
432 | /* Complete ACL header */ | |
433 | bt_cb(skb)->expect = __le16_to_cpu(dlen); | |
434 | ||
435 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
436 | kfree_skb(skb); | |
437 | skb = NULL; | |
438 | ||
439 | err = -EILSEQ; | |
440 | break; | |
441 | } | |
442 | } | |
443 | ||
444 | if (bt_cb(skb)->expect == 0) { | |
445 | /* Complete frame */ | |
446 | hci_recv_frame(data->hdev, skb); | |
447 | skb = NULL; | |
448 | } | |
449 | } | |
450 | ||
451 | data->acl_skb = skb; | |
452 | spin_unlock(&data->rxlock); | |
453 | ||
454 | return err; | |
1ffa4ad0 MH |
455 | } |
456 | ||
457 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
458 | { | |
803b5836 MH |
459 | struct sk_buff *skb; |
460 | int err = 0; | |
461 | ||
462 | spin_lock(&data->rxlock); | |
463 | skb = data->sco_skb; | |
464 | ||
465 | while (count) { | |
466 | int len; | |
467 | ||
468 | if (!skb) { | |
469 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
470 | if (!skb) { | |
471 | err = -ENOMEM; | |
472 | break; | |
473 | } | |
474 | ||
475 | bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; | |
476 | bt_cb(skb)->expect = HCI_SCO_HDR_SIZE; | |
477 | } | |
478 | ||
479 | len = min_t(uint, bt_cb(skb)->expect, count); | |
480 | memcpy(skb_put(skb, len), buffer, len); | |
481 | ||
482 | count -= len; | |
483 | buffer += len; | |
484 | bt_cb(skb)->expect -= len; | |
485 | ||
486 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
487 | /* Complete SCO header */ | |
488 | bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen; | |
489 | ||
490 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
491 | kfree_skb(skb); | |
492 | skb = NULL; | |
493 | ||
494 | err = -EILSEQ; | |
495 | break; | |
496 | } | |
497 | } | |
498 | ||
499 | if (bt_cb(skb)->expect == 0) { | |
500 | /* Complete frame */ | |
501 | hci_recv_frame(data->hdev, skb); | |
502 | skb = NULL; | |
503 | } | |
504 | } | |
505 | ||
506 | data->sco_skb = skb; | |
507 | spin_unlock(&data->rxlock); | |
508 | ||
509 | return err; | |
1ffa4ad0 MH |
510 | } |
511 | ||
5e23b923 MH |
512 | static void btusb_intr_complete(struct urb *urb) |
513 | { | |
514 | struct hci_dev *hdev = urb->context; | |
155961e8 | 515 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
516 | int err; |
517 | ||
89e7533d MH |
518 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
519 | urb->actual_length); | |
5e23b923 MH |
520 | |
521 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
522 | return; | |
523 | ||
524 | if (urb->status == 0) { | |
9bfa35fe MH |
525 | hdev->stat.byte_rx += urb->actual_length; |
526 | ||
1ffa4ad0 MH |
527 | if (btusb_recv_intr(data, urb->transfer_buffer, |
528 | urb->actual_length) < 0) { | |
5e23b923 MH |
529 | BT_ERR("%s corrupted event packet", hdev->name); |
530 | hdev->stat.err_rx++; | |
531 | } | |
85560c4a CC |
532 | } else if (urb->status == -ENOENT) { |
533 | /* Avoid suspend failed when usb_kill_urb */ | |
534 | return; | |
5e23b923 MH |
535 | } |
536 | ||
537 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
538 | return; | |
539 | ||
7bee549e | 540 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
541 | usb_anchor_urb(urb, &data->intr_anchor); |
542 | ||
543 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
544 | if (err < 0) { | |
4935f1c1 PB |
545 | /* -EPERM: urb is being killed; |
546 | * -ENODEV: device got disconnected */ | |
547 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 548 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 549 | hdev->name, urb, -err); |
5e23b923 MH |
550 | usb_unanchor_urb(urb); |
551 | } | |
552 | } | |
553 | ||
2eda66f4 | 554 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 555 | { |
155961e8 | 556 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
557 | struct urb *urb; |
558 | unsigned char *buf; | |
559 | unsigned int pipe; | |
560 | int err, size; | |
561 | ||
562 | BT_DBG("%s", hdev->name); | |
563 | ||
9bfa35fe MH |
564 | if (!data->intr_ep) |
565 | return -ENODEV; | |
566 | ||
2eda66f4 | 567 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
568 | if (!urb) |
569 | return -ENOMEM; | |
570 | ||
571 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
572 | ||
2eda66f4 | 573 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
574 | if (!buf) { |
575 | usb_free_urb(urb); | |
576 | return -ENOMEM; | |
577 | } | |
578 | ||
579 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
580 | ||
581 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 582 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
583 | |
584 | urb->transfer_flags |= URB_FREE_BUFFER; | |
585 | ||
586 | usb_anchor_urb(urb, &data->intr_anchor); | |
587 | ||
2eda66f4 | 588 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 589 | if (err < 0) { |
d4b8d1c9 PB |
590 | if (err != -EPERM && err != -ENODEV) |
591 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 592 | hdev->name, urb, -err); |
5e23b923 | 593 | usb_unanchor_urb(urb); |
5e23b923 MH |
594 | } |
595 | ||
596 | usb_free_urb(urb); | |
597 | ||
598 | return err; | |
599 | } | |
600 | ||
601 | static void btusb_bulk_complete(struct urb *urb) | |
602 | { | |
603 | struct hci_dev *hdev = urb->context; | |
155961e8 | 604 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
605 | int err; |
606 | ||
89e7533d MH |
607 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
608 | urb->actual_length); | |
5e23b923 MH |
609 | |
610 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
611 | return; | |
612 | ||
613 | if (urb->status == 0) { | |
9bfa35fe MH |
614 | hdev->stat.byte_rx += urb->actual_length; |
615 | ||
2cbd3f5c | 616 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 617 | urb->actual_length) < 0) { |
5e23b923 MH |
618 | BT_ERR("%s corrupted ACL packet", hdev->name); |
619 | hdev->stat.err_rx++; | |
620 | } | |
85560c4a CC |
621 | } else if (urb->status == -ENOENT) { |
622 | /* Avoid suspend failed when usb_kill_urb */ | |
623 | return; | |
5e23b923 MH |
624 | } |
625 | ||
626 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
627 | return; | |
628 | ||
629 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 630 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
631 | |
632 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
633 | if (err < 0) { | |
4935f1c1 PB |
634 | /* -EPERM: urb is being killed; |
635 | * -ENODEV: device got disconnected */ | |
636 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 637 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 638 | hdev->name, urb, -err); |
5e23b923 MH |
639 | usb_unanchor_urb(urb); |
640 | } | |
641 | } | |
642 | ||
2eda66f4 | 643 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 644 | { |
155961e8 | 645 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
646 | struct urb *urb; |
647 | unsigned char *buf; | |
648 | unsigned int pipe; | |
290ba200 | 649 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
650 | |
651 | BT_DBG("%s", hdev->name); | |
652 | ||
9bfa35fe MH |
653 | if (!data->bulk_rx_ep) |
654 | return -ENODEV; | |
655 | ||
2eda66f4 | 656 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
657 | if (!urb) |
658 | return -ENOMEM; | |
659 | ||
2eda66f4 | 660 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
661 | if (!buf) { |
662 | usb_free_urb(urb); | |
663 | return -ENOMEM; | |
664 | } | |
665 | ||
666 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
667 | ||
89e7533d MH |
668 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
669 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
670 | |
671 | urb->transfer_flags |= URB_FREE_BUFFER; | |
672 | ||
7bee549e | 673 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
674 | usb_anchor_urb(urb, &data->bulk_anchor); |
675 | ||
2eda66f4 | 676 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 677 | if (err < 0) { |
d4b8d1c9 PB |
678 | if (err != -EPERM && err != -ENODEV) |
679 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 680 | hdev->name, urb, -err); |
5e23b923 | 681 | usb_unanchor_urb(urb); |
5e23b923 MH |
682 | } |
683 | ||
684 | usb_free_urb(urb); | |
685 | ||
686 | return err; | |
687 | } | |
688 | ||
9bfa35fe MH |
689 | static void btusb_isoc_complete(struct urb *urb) |
690 | { | |
691 | struct hci_dev *hdev = urb->context; | |
155961e8 | 692 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
693 | int i, err; |
694 | ||
89e7533d MH |
695 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
696 | urb->actual_length); | |
9bfa35fe MH |
697 | |
698 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
699 | return; | |
700 | ||
701 | if (urb->status == 0) { | |
702 | for (i = 0; i < urb->number_of_packets; i++) { | |
703 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
704 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
705 | ||
706 | if (urb->iso_frame_desc[i].status) | |
707 | continue; | |
708 | ||
709 | hdev->stat.byte_rx += length; | |
710 | ||
1ffa4ad0 MH |
711 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
712 | length) < 0) { | |
9bfa35fe MH |
713 | BT_ERR("%s corrupted SCO packet", hdev->name); |
714 | hdev->stat.err_rx++; | |
715 | } | |
716 | } | |
85560c4a CC |
717 | } else if (urb->status == -ENOENT) { |
718 | /* Avoid suspend failed when usb_kill_urb */ | |
719 | return; | |
9bfa35fe MH |
720 | } |
721 | ||
722 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
723 | return; | |
724 | ||
725 | usb_anchor_urb(urb, &data->isoc_anchor); | |
726 | ||
727 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
728 | if (err < 0) { | |
4935f1c1 PB |
729 | /* -EPERM: urb is being killed; |
730 | * -ENODEV: device got disconnected */ | |
731 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 732 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 733 | hdev->name, urb, -err); |
9bfa35fe MH |
734 | usb_unanchor_urb(urb); |
735 | } | |
736 | } | |
737 | ||
42b16b3f | 738 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
739 | { |
740 | int i, offset = 0; | |
741 | ||
742 | BT_DBG("len %d mtu %d", len, mtu); | |
743 | ||
744 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
745 | i++, offset += mtu, len -= mtu) { | |
746 | urb->iso_frame_desc[i].offset = offset; | |
747 | urb->iso_frame_desc[i].length = mtu; | |
748 | } | |
749 | ||
750 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
751 | urb->iso_frame_desc[i].offset = offset; | |
752 | urb->iso_frame_desc[i].length = len; | |
753 | i++; | |
754 | } | |
755 | ||
756 | urb->number_of_packets = i; | |
757 | } | |
758 | ||
2eda66f4 | 759 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 760 | { |
155961e8 | 761 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
762 | struct urb *urb; |
763 | unsigned char *buf; | |
764 | unsigned int pipe; | |
765 | int err, size; | |
766 | ||
767 | BT_DBG("%s", hdev->name); | |
768 | ||
769 | if (!data->isoc_rx_ep) | |
770 | return -ENODEV; | |
771 | ||
2eda66f4 | 772 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
773 | if (!urb) |
774 | return -ENOMEM; | |
775 | ||
776 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
777 | BTUSB_MAX_ISOC_FRAMES; | |
778 | ||
2eda66f4 | 779 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
780 | if (!buf) { |
781 | usb_free_urb(urb); | |
782 | return -ENOMEM; | |
783 | } | |
784 | ||
785 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
786 | ||
fa0fb93f | 787 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 788 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 789 | |
89e7533d | 790 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
791 | |
792 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 793 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
794 | |
795 | usb_anchor_urb(urb, &data->isoc_anchor); | |
796 | ||
2eda66f4 | 797 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 798 | if (err < 0) { |
d4b8d1c9 PB |
799 | if (err != -EPERM && err != -ENODEV) |
800 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 801 | hdev->name, urb, -err); |
9bfa35fe | 802 | usb_unanchor_urb(urb); |
9bfa35fe MH |
803 | } |
804 | ||
805 | usb_free_urb(urb); | |
806 | ||
807 | return err; | |
808 | } | |
809 | ||
5e23b923 | 810 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
811 | { |
812 | struct sk_buff *skb = urb->context; | |
89e7533d | 813 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 814 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 815 | |
89e7533d MH |
816 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
817 | urb->actual_length); | |
7bee549e ON |
818 | |
819 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
820 | goto done; | |
821 | ||
822 | if (!urb->status) | |
823 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
824 | else | |
825 | hdev->stat.err_tx++; | |
826 | ||
827 | done: | |
828 | spin_lock(&data->txlock); | |
829 | data->tx_in_flight--; | |
830 | spin_unlock(&data->txlock); | |
831 | ||
832 | kfree(urb->setup_packet); | |
833 | ||
834 | kfree_skb(skb); | |
835 | } | |
836 | ||
837 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
838 | { |
839 | struct sk_buff *skb = urb->context; | |
89e7533d | 840 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 841 | |
89e7533d MH |
842 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
843 | urb->actual_length); | |
5e23b923 MH |
844 | |
845 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
846 | goto done; | |
847 | ||
848 | if (!urb->status) | |
849 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
850 | else | |
851 | hdev->stat.err_tx++; | |
852 | ||
853 | done: | |
854 | kfree(urb->setup_packet); | |
855 | ||
856 | kfree_skb(skb); | |
857 | } | |
858 | ||
859 | static int btusb_open(struct hci_dev *hdev) | |
860 | { | |
155961e8 | 861 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
862 | int err; |
863 | ||
864 | BT_DBG("%s", hdev->name); | |
865 | ||
7bee549e ON |
866 | err = usb_autopm_get_interface(data->intf); |
867 | if (err < 0) | |
868 | return err; | |
869 | ||
870 | data->intf->needs_remote_wakeup = 1; | |
871 | ||
5e23b923 | 872 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 873 | goto done; |
5e23b923 MH |
874 | |
875 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 876 | goto done; |
5e23b923 | 877 | |
2eda66f4 | 878 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
879 | if (err < 0) |
880 | goto failed; | |
881 | ||
882 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 883 | if (err < 0) { |
43c2e57f MH |
884 | usb_kill_anchored_urbs(&data->intr_anchor); |
885 | goto failed; | |
5e23b923 MH |
886 | } |
887 | ||
43c2e57f MH |
888 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
889 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
890 | ||
7bee549e ON |
891 | done: |
892 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
893 | return 0; |
894 | ||
895 | failed: | |
896 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
897 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 898 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
899 | return err; |
900 | } | |
901 | ||
7bee549e ON |
902 | static void btusb_stop_traffic(struct btusb_data *data) |
903 | { | |
904 | usb_kill_anchored_urbs(&data->intr_anchor); | |
905 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
906 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
907 | } | |
908 | ||
5e23b923 MH |
909 | static int btusb_close(struct hci_dev *hdev) |
910 | { | |
155961e8 | 911 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 912 | int err; |
5e23b923 MH |
913 | |
914 | BT_DBG("%s", hdev->name); | |
915 | ||
916 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
917 | return 0; | |
918 | ||
e8c3c3d2 | 919 | cancel_work_sync(&data->work); |
404291ac | 920 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 921 | |
9bfa35fe | 922 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 923 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 924 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
925 | |
926 | btusb_stop_traffic(data); | |
803b5836 MH |
927 | btusb_free_frags(data); |
928 | ||
7bee549e ON |
929 | err = usb_autopm_get_interface(data->intf); |
930 | if (err < 0) | |
7b8e2c1d | 931 | goto failed; |
7bee549e ON |
932 | |
933 | data->intf->needs_remote_wakeup = 0; | |
934 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 935 | |
7b8e2c1d ON |
936 | failed: |
937 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
938 | return 0; |
939 | } | |
940 | ||
941 | static int btusb_flush(struct hci_dev *hdev) | |
942 | { | |
155961e8 | 943 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
944 | |
945 | BT_DBG("%s", hdev->name); | |
946 | ||
947 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 948 | btusb_free_frags(data); |
5e23b923 MH |
949 | |
950 | return 0; | |
951 | } | |
952 | ||
047b2ec8 | 953 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 954 | { |
155961e8 | 955 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
956 | struct usb_ctrlrequest *dr; |
957 | struct urb *urb; | |
958 | unsigned int pipe; | |
5e23b923 | 959 | |
047b2ec8 MH |
960 | urb = usb_alloc_urb(0, GFP_KERNEL); |
961 | if (!urb) | |
962 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 963 | |
047b2ec8 MH |
964 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
965 | if (!dr) { | |
966 | usb_free_urb(urb); | |
967 | return ERR_PTR(-ENOMEM); | |
968 | } | |
5e23b923 | 969 | |
047b2ec8 MH |
970 | dr->bRequestType = data->cmdreq_type; |
971 | dr->bRequest = 0; | |
972 | dr->wIndex = 0; | |
973 | dr->wValue = 0; | |
974 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 975 | |
047b2ec8 | 976 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 977 | |
89e7533d | 978 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 979 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 980 | |
89e7533d | 981 | skb->dev = (void *)hdev; |
5e23b923 | 982 | |
047b2ec8 MH |
983 | return urb; |
984 | } | |
5e23b923 | 985 | |
047b2ec8 MH |
986 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
987 | { | |
988 | struct btusb_data *data = hci_get_drvdata(hdev); | |
989 | struct urb *urb; | |
990 | unsigned int pipe; | |
5e23b923 | 991 | |
047b2ec8 MH |
992 | if (!data->bulk_tx_ep) |
993 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 994 | |
047b2ec8 MH |
995 | urb = usb_alloc_urb(0, GFP_KERNEL); |
996 | if (!urb) | |
997 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 998 | |
047b2ec8 | 999 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 1000 | |
047b2ec8 MH |
1001 | usb_fill_bulk_urb(urb, data->udev, pipe, |
1002 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 1003 | |
89e7533d | 1004 | skb->dev = (void *)hdev; |
5e23b923 | 1005 | |
047b2ec8 MH |
1006 | return urb; |
1007 | } | |
9bfa35fe | 1008 | |
047b2ec8 MH |
1009 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1010 | { | |
1011 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1012 | struct urb *urb; | |
1013 | unsigned int pipe; | |
9bfa35fe | 1014 | |
047b2ec8 MH |
1015 | if (!data->isoc_tx_ep) |
1016 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1017 | |
047b2ec8 MH |
1018 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1019 | if (!urb) | |
1020 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1021 | |
047b2ec8 | 1022 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1023 | |
047b2ec8 MH |
1024 | usb_fill_int_urb(urb, data->udev, pipe, |
1025 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1026 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1027 | |
047b2ec8 | 1028 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1029 | |
047b2ec8 MH |
1030 | __fill_isoc_descriptor(urb, skb->len, |
1031 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1032 | |
89e7533d | 1033 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1034 | |
1035 | return urb; | |
1036 | } | |
1037 | ||
1038 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1039 | { | |
1040 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1041 | int err; | |
7bee549e | 1042 | |
5e23b923 MH |
1043 | usb_anchor_urb(urb, &data->tx_anchor); |
1044 | ||
e9753eff | 1045 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1046 | if (err < 0) { |
5a9b80e2 PB |
1047 | if (err != -EPERM && err != -ENODEV) |
1048 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 1049 | hdev->name, urb, -err); |
5e23b923 MH |
1050 | kfree(urb->setup_packet); |
1051 | usb_unanchor_urb(urb); | |
7bee549e ON |
1052 | } else { |
1053 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1054 | } |
1055 | ||
54a8a79c | 1056 | usb_free_urb(urb); |
5e23b923 MH |
1057 | return err; |
1058 | } | |
1059 | ||
047b2ec8 MH |
1060 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1061 | { | |
1062 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1063 | unsigned long flags; | |
1064 | bool suspending; | |
1065 | ||
1066 | spin_lock_irqsave(&data->txlock, flags); | |
1067 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1068 | if (!suspending) | |
1069 | data->tx_in_flight++; | |
1070 | spin_unlock_irqrestore(&data->txlock, flags); | |
1071 | ||
1072 | if (!suspending) | |
1073 | return submit_tx_urb(hdev, urb); | |
1074 | ||
1075 | usb_anchor_urb(urb, &data->deferred); | |
1076 | schedule_work(&data->waker); | |
1077 | ||
1078 | usb_free_urb(urb); | |
1079 | return 0; | |
1080 | } | |
1081 | ||
1082 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1083 | { | |
1084 | struct urb *urb; | |
1085 | ||
1086 | BT_DBG("%s", hdev->name); | |
1087 | ||
1088 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1089 | return -EBUSY; | |
1090 | ||
1091 | switch (bt_cb(skb)->pkt_type) { | |
1092 | case HCI_COMMAND_PKT: | |
1093 | urb = alloc_ctrl_urb(hdev, skb); | |
1094 | if (IS_ERR(urb)) | |
1095 | return PTR_ERR(urb); | |
1096 | ||
1097 | hdev->stat.cmd_tx++; | |
1098 | return submit_or_queue_tx_urb(hdev, urb); | |
1099 | ||
1100 | case HCI_ACLDATA_PKT: | |
1101 | urb = alloc_bulk_urb(hdev, skb); | |
1102 | if (IS_ERR(urb)) | |
1103 | return PTR_ERR(urb); | |
1104 | ||
1105 | hdev->stat.acl_tx++; | |
1106 | return submit_or_queue_tx_urb(hdev, urb); | |
1107 | ||
1108 | case HCI_SCODATA_PKT: | |
1109 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1110 | return -ENODEV; | |
1111 | ||
1112 | urb = alloc_isoc_urb(hdev, skb); | |
1113 | if (IS_ERR(urb)) | |
1114 | return PTR_ERR(urb); | |
1115 | ||
1116 | hdev->stat.sco_tx++; | |
1117 | return submit_tx_urb(hdev, urb); | |
1118 | } | |
1119 | ||
1120 | return -EILSEQ; | |
1121 | } | |
1122 | ||
5e23b923 MH |
1123 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1124 | { | |
155961e8 | 1125 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1126 | |
1127 | BT_DBG("%s evt %d", hdev->name, evt); | |
1128 | ||
014f7bc7 MH |
1129 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1130 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1131 | schedule_work(&data->work); |
a780efa8 | 1132 | } |
5e23b923 MH |
1133 | } |
1134 | ||
42b16b3f | 1135 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1136 | { |
155961e8 | 1137 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1138 | struct usb_interface *intf = data->isoc; |
1139 | struct usb_endpoint_descriptor *ep_desc; | |
1140 | int i, err; | |
1141 | ||
1142 | if (!data->isoc) | |
1143 | return -ENODEV; | |
1144 | ||
1145 | err = usb_set_interface(data->udev, 1, altsetting); | |
1146 | if (err < 0) { | |
1147 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
1148 | return err; | |
1149 | } | |
1150 | ||
1151 | data->isoc_altsetting = altsetting; | |
1152 | ||
1153 | data->isoc_tx_ep = NULL; | |
1154 | data->isoc_rx_ep = NULL; | |
1155 | ||
1156 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1157 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1158 | ||
1159 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1160 | data->isoc_tx_ep = ep_desc; | |
1161 | continue; | |
1162 | } | |
1163 | ||
1164 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1165 | data->isoc_rx_ep = ep_desc; | |
1166 | continue; | |
1167 | } | |
1168 | } | |
1169 | ||
1170 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
1171 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
1172 | return -ENODEV; | |
1173 | } | |
1174 | ||
1175 | return 0; | |
1176 | } | |
1177 | ||
5e23b923 MH |
1178 | static void btusb_work(struct work_struct *work) |
1179 | { | |
1180 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1181 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1182 | int new_alts; |
7bee549e | 1183 | int err; |
5e23b923 | 1184 | |
014f7bc7 | 1185 | if (data->sco_num > 0) { |
08b8b6c4 | 1186 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1187 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1188 | if (err < 0) { |
1189 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1190 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1191 | return; | |
1192 | } | |
1193 | ||
08b8b6c4 | 1194 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1195 | } |
f4001d28 MA |
1196 | |
1197 | if (hdev->voice_setting & 0x0020) { | |
1198 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1199 | |
014f7bc7 | 1200 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1201 | } else { |
014f7bc7 | 1202 | new_alts = data->sco_num; |
f4001d28 MA |
1203 | } |
1204 | ||
1205 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
1206 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1207 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1208 | ||
f4001d28 | 1209 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1210 | return; |
1211 | } | |
1212 | ||
1213 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1214 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1215 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1216 | else | |
2eda66f4 | 1217 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1218 | } |
1219 | } else { | |
1220 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1221 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1222 | ||
1223 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1224 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1225 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1226 | } |
1227 | } | |
1228 | ||
7bee549e ON |
1229 | static void btusb_waker(struct work_struct *work) |
1230 | { | |
1231 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1232 | int err; | |
1233 | ||
1234 | err = usb_autopm_get_interface(data->intf); | |
1235 | if (err < 0) | |
1236 | return; | |
1237 | ||
1238 | usb_autopm_put_interface(data->intf); | |
1239 | } | |
1240 | ||
9f8f962c MH |
1241 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1242 | { | |
1243 | struct sk_buff *skb; | |
1244 | u8 val = 0x00; | |
1245 | ||
1246 | BT_DBG("%s", hdev->name); | |
1247 | ||
1248 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1249 | if (IS_ERR(skb)) | |
1250 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
1251 | else | |
1252 | kfree_skb(skb); | |
1253 | ||
1254 | return 0; | |
1255 | } | |
1256 | ||
81cac64b MH |
1257 | static int btusb_setup_csr(struct hci_dev *hdev) |
1258 | { | |
1259 | struct hci_rp_read_local_version *rp; | |
1260 | struct sk_buff *skb; | |
1261 | int ret; | |
1262 | ||
1263 | BT_DBG("%s", hdev->name); | |
1264 | ||
1265 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1266 | HCI_INIT_TIMEOUT); | |
1267 | if (IS_ERR(skb)) { | |
1268 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); | |
1269 | return -PTR_ERR(skb); | |
1270 | } | |
1271 | ||
89e7533d | 1272 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b MH |
1273 | |
1274 | if (!rp->status) { | |
1275 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
1276 | /* Clear the reset quirk since this is not an actual | |
1277 | * early Bluetooth 1.1 device from CSR. | |
1278 | */ | |
1279 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
1280 | ||
1281 | /* These fake CSR controllers have all a broken | |
1282 | * stored link key handling and so just disable it. | |
1283 | */ | |
1284 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
1285 | &hdev->quirks); | |
1286 | } | |
1287 | } | |
1288 | ||
1289 | ret = -bt_to_errno(rp->status); | |
1290 | ||
1291 | kfree_skb(skb); | |
1292 | ||
1293 | return ret; | |
1294 | } | |
1295 | ||
dffd30ee THJA |
1296 | struct intel_version { |
1297 | u8 status; | |
1298 | u8 hw_platform; | |
1299 | u8 hw_variant; | |
1300 | u8 hw_revision; | |
1301 | u8 fw_variant; | |
1302 | u8 fw_revision; | |
1303 | u8 fw_build_num; | |
1304 | u8 fw_build_ww; | |
1305 | u8 fw_build_yy; | |
1306 | u8 fw_patch_num; | |
1307 | } __packed; | |
1308 | ||
cda0dd78 MH |
1309 | struct intel_boot_params { |
1310 | __u8 status; | |
1311 | __u8 otp_format; | |
1312 | __u8 otp_content; | |
1313 | __u8 otp_patch; | |
1314 | __le16 dev_revid; | |
1315 | __u8 secure_boot; | |
1316 | __u8 key_from_hdr; | |
1317 | __u8 key_type; | |
1318 | __u8 otp_lock; | |
1319 | __u8 api_lock; | |
1320 | __u8 debug_lock; | |
1321 | bdaddr_t otp_bdaddr; | |
1322 | __u8 min_fw_build_nn; | |
1323 | __u8 min_fw_build_cw; | |
1324 | __u8 min_fw_build_yy; | |
1325 | __u8 limited_cce; | |
1326 | __u8 unlocked_state; | |
1327 | } __packed; | |
1328 | ||
dffd30ee | 1329 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
89e7533d | 1330 | struct intel_version *ver) |
dffd30ee THJA |
1331 | { |
1332 | const struct firmware *fw; | |
1333 | char fwname[64]; | |
1334 | int ret; | |
1335 | ||
1336 | snprintf(fwname, sizeof(fwname), | |
1337 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1338 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1339 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1340 | ver->fw_build_ww, ver->fw_build_yy); | |
1341 | ||
1342 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1343 | if (ret < 0) { | |
1344 | if (ret == -EINVAL) { | |
1345 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1346 | hdev->name, ret); | |
1347 | return NULL; | |
1348 | } | |
1349 | ||
1350 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1351 | hdev->name, fwname, ret); | |
1352 | ||
1353 | /* If the correct firmware patch file is not found, use the | |
1354 | * default firmware patch file instead | |
1355 | */ | |
1356 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1357 | ver->hw_platform, ver->hw_variant); | |
1358 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1359 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1360 | hdev->name, fwname); | |
1361 | return NULL; | |
1362 | } | |
1363 | } | |
1364 | ||
1365 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1366 | ||
1367 | return fw; | |
1368 | } | |
1369 | ||
1370 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1371 | const struct firmware *fw, | |
1372 | const u8 **fw_ptr, int *disable_patch) | |
1373 | { | |
1374 | struct sk_buff *skb; | |
1375 | struct hci_command_hdr *cmd; | |
1376 | const u8 *cmd_param; | |
1377 | struct hci_event_hdr *evt = NULL; | |
1378 | const u8 *evt_param = NULL; | |
1379 | int remain = fw->size - (*fw_ptr - fw->data); | |
1380 | ||
1381 | /* The first byte indicates the types of the patch command or event. | |
1382 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1383 | * in the current firmware buffer doesn't start with 0x01 or | |
1384 | * the size of remain buffer is smaller than HCI command header, | |
1385 | * the firmware file is corrupted and it should stop the patching | |
1386 | * process. | |
1387 | */ | |
1388 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1389 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1390 | return -EINVAL; | |
1391 | } | |
1392 | (*fw_ptr)++; | |
1393 | remain--; | |
1394 | ||
1395 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1396 | *fw_ptr += sizeof(*cmd); | |
1397 | remain -= sizeof(*cmd); | |
1398 | ||
1399 | /* Ensure that the remain firmware data is long enough than the length | |
1400 | * of command parameter. If not, the firmware file is corrupted. | |
1401 | */ | |
1402 | if (remain < cmd->plen) { | |
1403 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1404 | return -EFAULT; | |
1405 | } | |
1406 | ||
1407 | /* If there is a command that loads a patch in the firmware | |
1408 | * file, then enable the patch upon success, otherwise just | |
1409 | * disable the manufacturer mode, for example patch activation | |
1410 | * is not required when the default firmware patch file is used | |
1411 | * because there are no patch data to load. | |
1412 | */ | |
1413 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1414 | *disable_patch = 0; | |
1415 | ||
1416 | cmd_param = *fw_ptr; | |
1417 | *fw_ptr += cmd->plen; | |
1418 | remain -= cmd->plen; | |
1419 | ||
1420 | /* This reads the expected events when the above command is sent to the | |
1421 | * device. Some vendor commands expects more than one events, for | |
1422 | * example command status event followed by vendor specific event. | |
1423 | * For this case, it only keeps the last expected event. so the command | |
1424 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1425 | * last expected event. | |
1426 | */ | |
1427 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1428 | (*fw_ptr)++; | |
1429 | remain--; | |
1430 | ||
1431 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1432 | *fw_ptr += sizeof(*evt); | |
1433 | remain -= sizeof(*evt); | |
1434 | ||
1435 | if (remain < evt->plen) { | |
1436 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1437 | hdev->name); | |
1438 | return -EFAULT; | |
1439 | } | |
1440 | ||
1441 | evt_param = *fw_ptr; | |
1442 | *fw_ptr += evt->plen; | |
1443 | remain -= evt->plen; | |
1444 | } | |
1445 | ||
1446 | /* Every HCI commands in the firmware file has its correspond event. | |
1447 | * If event is not found or remain is smaller than zero, the firmware | |
1448 | * file is corrupted. | |
1449 | */ | |
1450 | if (!evt || !evt_param || remain < 0) { | |
1451 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1452 | return -EFAULT; | |
1453 | } | |
1454 | ||
1455 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1456 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1457 | if (IS_ERR(skb)) { | |
1458 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1459 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1460 | return PTR_ERR(skb); |
dffd30ee THJA |
1461 | } |
1462 | ||
1463 | /* It ensures that the returned event matches the event data read from | |
1464 | * the firmware file. At fist, it checks the length and then | |
1465 | * the contents of the event. | |
1466 | */ | |
1467 | if (skb->len != evt->plen) { | |
1468 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1469 | le16_to_cpu(cmd->opcode)); | |
1470 | kfree_skb(skb); | |
1471 | return -EFAULT; | |
1472 | } | |
1473 | ||
1474 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1475 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1476 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1477 | kfree_skb(skb); | |
1478 | return -EFAULT; | |
1479 | } | |
1480 | kfree_skb(skb); | |
1481 | ||
1482 | return 0; | |
1483 | } | |
1484 | ||
40cb0984 MH |
1485 | #define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}}) |
1486 | ||
1487 | static int btusb_check_bdaddr_intel(struct hci_dev *hdev) | |
1488 | { | |
1489 | struct sk_buff *skb; | |
1490 | struct hci_rp_read_bd_addr *rp; | |
1491 | ||
1492 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1493 | HCI_INIT_TIMEOUT); | |
1494 | if (IS_ERR(skb)) { | |
1495 | BT_ERR("%s reading Intel device address failed (%ld)", | |
1496 | hdev->name, PTR_ERR(skb)); | |
1497 | return PTR_ERR(skb); | |
1498 | } | |
1499 | ||
1500 | if (skb->len != sizeof(*rp)) { | |
1501 | BT_ERR("%s Intel device address length mismatch", hdev->name); | |
1502 | kfree_skb(skb); | |
1503 | return -EIO; | |
1504 | } | |
1505 | ||
89e7533d | 1506 | rp = (struct hci_rp_read_bd_addr *)skb->data; |
40cb0984 MH |
1507 | if (rp->status) { |
1508 | BT_ERR("%s Intel device address result failed (%02x)", | |
1509 | hdev->name, rp->status); | |
1510 | kfree_skb(skb); | |
1511 | return -bt_to_errno(rp->status); | |
1512 | } | |
1513 | ||
1514 | /* For some Intel based controllers, the default Bluetooth device | |
1515 | * address 00:03:19:9E:8B:00 can be found. These controllers are | |
1516 | * fully operational, but have the danger of duplicate addresses | |
1517 | * and that in turn can cause problems with Bluetooth operation. | |
1518 | */ | |
4739b5b1 | 1519 | if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) { |
40cb0984 MH |
1520 | BT_ERR("%s found Intel default device address (%pMR)", |
1521 | hdev->name, &rp->bdaddr); | |
4739b5b1 MH |
1522 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1523 | } | |
40cb0984 MH |
1524 | |
1525 | kfree_skb(skb); | |
1526 | ||
1527 | return 0; | |
1528 | } | |
1529 | ||
dffd30ee THJA |
1530 | static int btusb_setup_intel(struct hci_dev *hdev) |
1531 | { | |
1532 | struct sk_buff *skb; | |
1533 | const struct firmware *fw; | |
1534 | const u8 *fw_ptr; | |
1535 | int disable_patch; | |
1536 | struct intel_version *ver; | |
1537 | ||
1538 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1539 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1540 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1541 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1542 | ||
1543 | BT_DBG("%s", hdev->name); | |
1544 | ||
1545 | /* The controller has a bug with the first HCI command sent to it | |
1546 | * returning number of completed commands as zero. This would stall the | |
1547 | * command processing in the Bluetooth core. | |
1548 | * | |
1549 | * As a workaround, send HCI Reset command first which will reset the | |
1550 | * number of completed commands and allow normal command processing | |
1551 | * from now on. | |
1552 | */ | |
1553 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1554 | if (IS_ERR(skb)) { | |
1555 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1556 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1557 | return PTR_ERR(skb); |
dffd30ee THJA |
1558 | } |
1559 | kfree_skb(skb); | |
1560 | ||
1561 | /* Read Intel specific controller version first to allow selection of | |
1562 | * which firmware file to load. | |
1563 | * | |
1564 | * The returned information are hardware variant and revision plus | |
1565 | * firmware variant, revision and build number. | |
1566 | */ | |
1567 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1568 | if (IS_ERR(skb)) { | |
1569 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1570 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1571 | return PTR_ERR(skb); |
dffd30ee THJA |
1572 | } |
1573 | ||
1574 | if (skb->len != sizeof(*ver)) { | |
1575 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1576 | kfree_skb(skb); | |
1577 | return -EIO; | |
1578 | } | |
1579 | ||
1580 | ver = (struct intel_version *)skb->data; | |
1581 | if (ver->status) { | |
1582 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1583 | ver->status); | |
1584 | kfree_skb(skb); | |
1585 | return -bt_to_errno(ver->status); | |
1586 | } | |
1587 | ||
1588 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1589 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1590 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1591 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1592 | ver->fw_patch_num); | |
1593 | ||
1594 | /* fw_patch_num indicates the version of patch the device currently | |
1595 | * have. If there is no patch data in the device, it is always 0x00. | |
1596 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1597 | */ | |
1598 | if (ver->fw_patch_num) { | |
1599 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1600 | hdev->name, ver->fw_patch_num); | |
1601 | kfree_skb(skb); | |
40cb0984 | 1602 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1603 | return 0; |
1604 | } | |
1605 | ||
1606 | /* Opens the firmware patch file based on the firmware version read | |
1607 | * from the controller. If it fails to open the matching firmware | |
1608 | * patch file, it tries to open the default firmware patch file. | |
1609 | * If no patch file is found, allow the device to operate without | |
1610 | * a patch. | |
1611 | */ | |
1612 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1613 | if (!fw) { | |
1614 | kfree_skb(skb); | |
40cb0984 | 1615 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1616 | return 0; |
1617 | } | |
1618 | fw_ptr = fw->data; | |
1619 | ||
1620 | /* This Intel specific command enables the manufacturer mode of the | |
1621 | * controller. | |
1622 | * | |
1623 | * Only while this mode is enabled, the driver can download the | |
1624 | * firmware patch data and configuration parameters. | |
1625 | */ | |
1626 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1627 | if (IS_ERR(skb)) { | |
1628 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1629 | hdev->name, PTR_ERR(skb)); | |
1630 | release_firmware(fw); | |
d9c78e97 | 1631 | return PTR_ERR(skb); |
dffd30ee THJA |
1632 | } |
1633 | ||
1634 | if (skb->data[0]) { | |
1635 | u8 evt_status = skb->data[0]; | |
89e7533d | 1636 | |
dffd30ee THJA |
1637 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", |
1638 | hdev->name, evt_status); | |
1639 | kfree_skb(skb); | |
1640 | release_firmware(fw); | |
1641 | return -bt_to_errno(evt_status); | |
1642 | } | |
1643 | kfree_skb(skb); | |
1644 | ||
1645 | disable_patch = 1; | |
1646 | ||
1647 | /* The firmware data file consists of list of Intel specific HCI | |
1648 | * commands and its expected events. The first byte indicates the | |
1649 | * type of the message, either HCI command or HCI event. | |
1650 | * | |
1651 | * It reads the command and its expected event from the firmware file, | |
1652 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1653 | * the returned event is compared with the event read from the firmware | |
1654 | * file and it will continue until all the messages are downloaded to | |
1655 | * the controller. | |
1656 | * | |
1657 | * Once the firmware patching is completed successfully, | |
1658 | * the manufacturer mode is disabled with reset and activating the | |
1659 | * downloaded patch. | |
1660 | * | |
1661 | * If the firmware patching fails, the manufacturer mode is | |
1662 | * disabled with reset and deactivating the patch. | |
1663 | * | |
1664 | * If the default patch file is used, no reset is done when disabling | |
1665 | * the manufacturer. | |
1666 | */ | |
1667 | while (fw->size > fw_ptr - fw->data) { | |
1668 | int ret; | |
1669 | ||
1670 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1671 | &disable_patch); | |
1672 | if (ret < 0) | |
1673 | goto exit_mfg_deactivate; | |
1674 | } | |
1675 | ||
1676 | release_firmware(fw); | |
1677 | ||
1678 | if (disable_patch) | |
1679 | goto exit_mfg_disable; | |
1680 | ||
1681 | /* Patching completed successfully and disable the manufacturer mode | |
1682 | * with reset and activate the downloaded firmware patches. | |
1683 | */ | |
1684 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1685 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1686 | if (IS_ERR(skb)) { | |
1687 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1688 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1689 | return PTR_ERR(skb); |
dffd30ee THJA |
1690 | } |
1691 | kfree_skb(skb); | |
1692 | ||
1693 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1694 | hdev->name); | |
1695 | ||
40cb0984 | 1696 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1697 | return 0; |
1698 | ||
1699 | exit_mfg_disable: | |
1700 | /* Disable the manufacturer mode without reset */ | |
1701 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1702 | HCI_INIT_TIMEOUT); | |
1703 | if (IS_ERR(skb)) { | |
1704 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1705 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1706 | return PTR_ERR(skb); |
dffd30ee THJA |
1707 | } |
1708 | kfree_skb(skb); | |
1709 | ||
1710 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 MH |
1711 | |
1712 | btusb_check_bdaddr_intel(hdev); | |
dffd30ee THJA |
1713 | return 0; |
1714 | ||
1715 | exit_mfg_deactivate: | |
1716 | release_firmware(fw); | |
1717 | ||
1718 | /* Patching failed. Disable the manufacturer mode with reset and | |
1719 | * deactivate the downloaded firmware patches. | |
1720 | */ | |
1721 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1722 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1723 | if (IS_ERR(skb)) { | |
1724 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1725 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1726 | return PTR_ERR(skb); |
dffd30ee THJA |
1727 | } |
1728 | kfree_skb(skb); | |
1729 | ||
1730 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1731 | hdev->name); | |
1732 | ||
40cb0984 | 1733 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1734 | return 0; |
1735 | } | |
1736 | ||
cda0dd78 MH |
1737 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
1738 | { | |
1739 | struct sk_buff *skb; | |
1740 | struct hci_event_hdr *hdr; | |
1741 | struct hci_ev_cmd_complete *evt; | |
1742 | ||
1743 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC); | |
1744 | if (!skb) | |
1745 | return -ENOMEM; | |
1746 | ||
1747 | hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr)); | |
1748 | hdr->evt = HCI_EV_CMD_COMPLETE; | |
1749 | hdr->plen = sizeof(*evt) + 1; | |
1750 | ||
1751 | evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt)); | |
1752 | evt->ncmd = 0x01; | |
1753 | evt->opcode = cpu_to_le16(opcode); | |
1754 | ||
1755 | *skb_put(skb, 1) = 0x00; | |
1756 | ||
1757 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
1758 | ||
1759 | return hci_recv_frame(hdev, skb); | |
1760 | } | |
1761 | ||
1762 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
1763 | int count) | |
1764 | { | |
1765 | /* When the device is in bootloader mode, then it can send | |
1766 | * events via the bulk endpoint. These events are treated the | |
1767 | * same way as the ones received from the interrupt endpoint. | |
1768 | */ | |
1769 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) | |
1770 | return btusb_recv_intr(data, buffer, count); | |
1771 | ||
1772 | return btusb_recv_bulk(data, buffer, count); | |
1773 | } | |
1774 | ||
1775 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1776 | { | |
1777 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1778 | ||
1779 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1780 | struct hci_event_hdr *hdr = (void *)skb->data; | |
1781 | ||
1782 | /* When the firmware loading completes the device sends | |
1783 | * out a vendor specific event indicating the result of | |
1784 | * the firmware loading. | |
1785 | */ | |
1786 | if (skb->len == 7 && hdr->evt == 0xff && hdr->plen == 0x05 && | |
1787 | skb->data[2] == 0x06) { | |
1788 | if (skb->data[3] != 0x00) | |
1789 | test_bit(BTUSB_FIRMWARE_FAILED, &data->flags); | |
1790 | ||
1791 | if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags)) | |
1792 | wake_up_interruptible(&hdev->req_wait_q); | |
1793 | } | |
1794 | ||
1795 | /* When switching to the operational firmware the device | |
1796 | * sends a vendor specific event indicating that the bootup | |
1797 | * completed. | |
1798 | */ | |
1799 | if (skb->len == 9 && hdr->evt == 0xff && hdr->plen == 0x07 && | |
1800 | skb->data[2] == 0x02) { | |
1801 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) | |
1802 | wake_up_interruptible(&hdev->req_wait_q); | |
1803 | } | |
1804 | } | |
1805 | ||
1806 | return hci_recv_frame(hdev, skb); | |
1807 | } | |
1808 | ||
1809 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1810 | { | |
1811 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1812 | struct urb *urb; | |
1813 | ||
1814 | BT_DBG("%s", hdev->name); | |
1815 | ||
1816 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1817 | return -EBUSY; | |
1818 | ||
1819 | switch (bt_cb(skb)->pkt_type) { | |
1820 | case HCI_COMMAND_PKT: | |
1821 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1822 | struct hci_command_hdr *cmd = (void *)skb->data; | |
1823 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
1824 | ||
1825 | /* When in bootloader mode and the command 0xfc09 | |
1826 | * is received, it needs to be send down the | |
1827 | * bulk endpoint. So allocate a bulk URB instead. | |
1828 | */ | |
1829 | if (opcode == 0xfc09) | |
1830 | urb = alloc_bulk_urb(hdev, skb); | |
1831 | else | |
1832 | urb = alloc_ctrl_urb(hdev, skb); | |
1833 | ||
1834 | /* When the 0xfc01 command is issued to boot into | |
1835 | * the operational firmware, it will actually not | |
1836 | * send a command complete event. To keep the flow | |
1837 | * control working inject that event here. | |
1838 | */ | |
1839 | if (opcode == 0xfc01) | |
1840 | inject_cmd_complete(hdev, opcode); | |
1841 | } else { | |
1842 | urb = alloc_ctrl_urb(hdev, skb); | |
1843 | } | |
1844 | if (IS_ERR(urb)) | |
1845 | return PTR_ERR(urb); | |
1846 | ||
1847 | hdev->stat.cmd_tx++; | |
1848 | return submit_or_queue_tx_urb(hdev, urb); | |
1849 | ||
1850 | case HCI_ACLDATA_PKT: | |
1851 | urb = alloc_bulk_urb(hdev, skb); | |
1852 | if (IS_ERR(urb)) | |
1853 | return PTR_ERR(urb); | |
1854 | ||
1855 | hdev->stat.acl_tx++; | |
1856 | return submit_or_queue_tx_urb(hdev, urb); | |
1857 | ||
1858 | case HCI_SCODATA_PKT: | |
1859 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1860 | return -ENODEV; | |
1861 | ||
1862 | urb = alloc_isoc_urb(hdev, skb); | |
1863 | if (IS_ERR(urb)) | |
1864 | return PTR_ERR(urb); | |
1865 | ||
1866 | hdev->stat.sco_tx++; | |
1867 | return submit_tx_urb(hdev, urb); | |
1868 | } | |
1869 | ||
1870 | return -EILSEQ; | |
1871 | } | |
1872 | ||
1873 | static int btusb_intel_secure_send(struct hci_dev *hdev, u8 fragment_type, | |
1874 | u32 plen, const void *param) | |
1875 | { | |
1876 | while (plen > 0) { | |
1877 | struct sk_buff *skb; | |
1878 | u8 cmd_param[253], fragment_len = (plen > 252) ? 252 : plen; | |
1879 | ||
1880 | cmd_param[0] = fragment_type; | |
1881 | memcpy(cmd_param + 1, param, fragment_len); | |
1882 | ||
1883 | skb = __hci_cmd_sync(hdev, 0xfc09, fragment_len + 1, | |
1884 | cmd_param, HCI_INIT_TIMEOUT); | |
1885 | if (IS_ERR(skb)) | |
1886 | return PTR_ERR(skb); | |
1887 | ||
1888 | kfree_skb(skb); | |
1889 | ||
1890 | plen -= fragment_len; | |
1891 | param += fragment_len; | |
1892 | } | |
1893 | ||
1894 | return 0; | |
1895 | } | |
1896 | ||
1897 | static void btusb_intel_version_info(struct hci_dev *hdev, | |
1898 | struct intel_version *ver) | |
1899 | { | |
1900 | const char *variant; | |
1901 | ||
1902 | switch (ver->fw_variant) { | |
1903 | case 0x06: | |
1904 | variant = "Bootloader"; | |
1905 | break; | |
1906 | case 0x23: | |
1907 | variant = "Firmware"; | |
1908 | break; | |
1909 | default: | |
1910 | return; | |
1911 | } | |
1912 | ||
1913 | BT_INFO("%s: %s revision %u.%u build %u week %u %u", hdev->name, | |
1914 | variant, ver->fw_revision >> 4, ver->fw_revision & 0x0f, | |
1915 | ver->fw_build_num, ver->fw_build_ww, 2000 + ver->fw_build_yy); | |
1916 | } | |
1917 | ||
1918 | static int btusb_setup_intel_new(struct hci_dev *hdev) | |
1919 | { | |
1920 | static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01, | |
1921 | 0x00, 0x08, 0x04, 0x00 }; | |
1922 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1923 | struct sk_buff *skb; | |
1924 | struct intel_version *ver; | |
1925 | struct intel_boot_params *params; | |
1926 | const struct firmware *fw; | |
1927 | const u8 *fw_ptr; | |
1928 | char fwname[64]; | |
1929 | ktime_t calltime, delta, rettime; | |
1930 | unsigned long long duration; | |
1931 | int err; | |
1932 | ||
1933 | BT_DBG("%s", hdev->name); | |
1934 | ||
1935 | calltime = ktime_get(); | |
1936 | ||
1937 | /* Read the Intel version information to determine if the device | |
1938 | * is in bootloader mode or if it already has operational firmware | |
1939 | * loaded. | |
1940 | */ | |
1941 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1942 | if (IS_ERR(skb)) { | |
1943 | BT_ERR("%s: Reading Intel version information failed (%ld)", | |
1944 | hdev->name, PTR_ERR(skb)); | |
1945 | return PTR_ERR(skb); | |
1946 | } | |
1947 | ||
1948 | if (skb->len != sizeof(*ver)) { | |
1949 | BT_ERR("%s: Intel version event size mismatch", hdev->name); | |
1950 | kfree_skb(skb); | |
1951 | return -EILSEQ; | |
1952 | } | |
1953 | ||
1954 | ver = (struct intel_version *)skb->data; | |
1955 | if (ver->status) { | |
1956 | BT_ERR("%s: Intel version command failure (%02x)", | |
1957 | hdev->name, ver->status); | |
1958 | err = -bt_to_errno(ver->status); | |
1959 | kfree_skb(skb); | |
1960 | return err; | |
1961 | } | |
1962 | ||
1963 | /* The hardware platform number has a fixed value of 0x37 and | |
1964 | * for now only accept this single value. | |
1965 | */ | |
1966 | if (ver->hw_platform != 0x37) { | |
1967 | BT_ERR("%s: Unsupported Intel hardware platform (%u)", | |
1968 | hdev->name, ver->hw_platform); | |
1969 | kfree_skb(skb); | |
1970 | return -EINVAL; | |
1971 | } | |
1972 | ||
1973 | /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is | |
1974 | * supported by this firmware loading method. This check has been | |
1975 | * put in place to ensure correct forward compatibility options | |
1976 | * when newer hardware variants come along. | |
1977 | */ | |
1978 | if (ver->hw_variant != 0x0b) { | |
1979 | BT_ERR("%s: Unsupported Intel hardware variant (%u)", | |
1980 | hdev->name, ver->hw_variant); | |
1981 | kfree_skb(skb); | |
1982 | return -EINVAL; | |
1983 | } | |
1984 | ||
1985 | btusb_intel_version_info(hdev, ver); | |
1986 | ||
1987 | /* The firmware variant determines if the device is in bootloader | |
1988 | * mode or is running operational firmware. The value 0x06 identifies | |
1989 | * the bootloader and the value 0x23 identifies the operational | |
1990 | * firmware. | |
1991 | * | |
1992 | * When the operational firmware is already present, then only | |
1993 | * the check for valid Bluetooth device address is needed. This | |
1994 | * determines if the device will be added as configured or | |
1995 | * unconfigured controller. | |
1996 | * | |
1997 | * It is not possible to use the Secure Boot Parameters in this | |
1998 | * case since that command is only available in bootloader mode. | |
1999 | */ | |
2000 | if (ver->fw_variant == 0x23) { | |
2001 | kfree_skb(skb); | |
2002 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2003 | btusb_check_bdaddr_intel(hdev); | |
2004 | return 0; | |
2005 | } | |
2006 | ||
2007 | /* If the device is not in bootloader mode, then the only possible | |
2008 | * choice is to return an error and abort the device initialization. | |
2009 | */ | |
2010 | if (ver->fw_variant != 0x06) { | |
2011 | BT_ERR("%s: Unsupported Intel firmware variant (%u)", | |
2012 | hdev->name, ver->fw_variant); | |
2013 | kfree_skb(skb); | |
2014 | return -ENODEV; | |
2015 | } | |
2016 | ||
2017 | kfree_skb(skb); | |
2018 | ||
2019 | /* Read the secure boot parameters to identify the operating | |
2020 | * details of the bootloader. | |
2021 | */ | |
2022 | skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT); | |
2023 | if (IS_ERR(skb)) { | |
2024 | BT_ERR("%s: Reading Intel boot parameters failed (%ld)", | |
2025 | hdev->name, PTR_ERR(skb)); | |
2026 | return PTR_ERR(skb); | |
2027 | } | |
2028 | ||
2029 | if (skb->len != sizeof(*params)) { | |
2030 | BT_ERR("%s: Intel boot parameters size mismatch", hdev->name); | |
2031 | kfree_skb(skb); | |
2032 | return -EILSEQ; | |
2033 | } | |
2034 | ||
2035 | params = (struct intel_boot_params *)skb->data; | |
2036 | if (params->status) { | |
2037 | BT_ERR("%s: Intel boot parameters command failure (%02x)", | |
2038 | hdev->name, params->status); | |
2039 | err = -bt_to_errno(params->status); | |
2040 | kfree_skb(skb); | |
2041 | return err; | |
2042 | } | |
2043 | ||
2044 | BT_INFO("%s: Device revision is %u", hdev->name, | |
2045 | le16_to_cpu(params->dev_revid)); | |
2046 | ||
2047 | BT_INFO("%s: Secure boot is %s", hdev->name, | |
2048 | params->secure_boot ? "enabled" : "disabled"); | |
2049 | ||
2050 | BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name, | |
2051 | params->min_fw_build_nn, params->min_fw_build_cw, | |
2052 | 2000 + params->min_fw_build_yy); | |
2053 | ||
2054 | /* It is required that every single firmware fragment is acknowledged | |
2055 | * with a command complete event. If the boot parameters indicate | |
2056 | * that this bootloader does not send them, then abort the setup. | |
2057 | */ | |
2058 | if (params->limited_cce != 0x00) { | |
2059 | BT_ERR("%s: Unsupported Intel firmware loading method (%u)", | |
2060 | hdev->name, params->limited_cce); | |
2061 | kfree_skb(skb); | |
2062 | return -EINVAL; | |
2063 | } | |
2064 | ||
2065 | /* If the OTP has no valid Bluetooth device address, then there will | |
2066 | * also be no valid address for the operational firmware. | |
2067 | */ | |
2068 | if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) { | |
2069 | BT_INFO("%s: No device address configured", hdev->name); | |
2070 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); | |
2071 | } | |
2072 | ||
2073 | /* With this Intel bootloader only the hardware variant and device | |
2074 | * revision information are used to select the right firmware. | |
2075 | * | |
2076 | * Currently this bootloader support is limited to hardware variant | |
2077 | * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b). | |
2078 | */ | |
2079 | snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi", | |
2080 | le16_to_cpu(params->dev_revid)); | |
2081 | ||
2082 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2083 | if (err < 0) { | |
2084 | BT_ERR("%s: Failed to load Intel firmware file (%d)", | |
2085 | hdev->name, err); | |
2086 | kfree_skb(skb); | |
2087 | return err; | |
2088 | } | |
2089 | ||
2090 | BT_INFO("%s: Found device firmware: %s", hdev->name, fwname); | |
2091 | ||
2092 | kfree_skb(skb); | |
2093 | ||
2094 | if (fw->size < 644) { | |
2095 | BT_ERR("%s: Invalid size of firmware file (%zu)", | |
2096 | hdev->name, fw->size); | |
2097 | err = -EBADF; | |
2098 | goto done; | |
2099 | } | |
2100 | ||
2101 | set_bit(BTUSB_DOWNLOADING, &data->flags); | |
2102 | ||
2103 | /* Start the firmware download transaction with the Init fragment | |
2104 | * represented by the 128 bytes of CSS header. | |
2105 | */ | |
2106 | err = btusb_intel_secure_send(hdev, 0x00, 128, fw->data); | |
2107 | if (err < 0) { | |
2108 | BT_ERR("%s: Failed to send firmware header (%d)", | |
2109 | hdev->name, err); | |
2110 | goto done; | |
2111 | } | |
2112 | ||
2113 | /* Send the 256 bytes of public key information from the firmware | |
2114 | * as the PKey fragment. | |
2115 | */ | |
2116 | err = btusb_intel_secure_send(hdev, 0x03, 256, fw->data + 128); | |
2117 | if (err < 0) { | |
2118 | BT_ERR("%s: Failed to send firmware public key (%d)", | |
2119 | hdev->name, err); | |
2120 | goto done; | |
2121 | } | |
2122 | ||
2123 | /* Send the 256 bytes of signature information from the firmware | |
2124 | * as the Sign fragment. | |
2125 | */ | |
2126 | err = btusb_intel_secure_send(hdev, 0x02, 256, fw->data + 388); | |
2127 | if (err < 0) { | |
2128 | BT_ERR("%s: Failed to send firmware signature (%d)", | |
2129 | hdev->name, err); | |
2130 | goto done; | |
2131 | } | |
2132 | ||
2133 | fw_ptr = fw->data + 644; | |
2134 | ||
2135 | while (fw_ptr - fw->data < fw->size) { | |
2136 | struct hci_command_hdr *cmd = (void *)fw_ptr; | |
2137 | u8 cmd_len; | |
2138 | ||
2139 | cmd_len = sizeof(*cmd) + cmd->plen; | |
2140 | ||
2141 | /* Send each command from the firmware data buffer as | |
2142 | * a single Data fragment. | |
2143 | */ | |
2144 | err = btusb_intel_secure_send(hdev, 0x01, cmd_len, fw_ptr); | |
2145 | if (err < 0) { | |
2146 | BT_ERR("%s: Failed to send firmware data (%d)", | |
2147 | hdev->name, err); | |
2148 | goto done; | |
2149 | } | |
2150 | ||
2151 | fw_ptr += cmd_len; | |
2152 | } | |
2153 | ||
2154 | /* Before switching the device into operational mode and with that | |
2155 | * booting the loaded firmware, wait for the bootloader notification | |
2156 | * that all fragments have been successfully received. | |
2157 | * | |
2158 | * When the event processing receives the notification, then this | |
2159 | * flag will be cleared. So just in case that happens really quickly, | |
2160 | * check it first before adding the wait queue. | |
2161 | */ | |
2162 | if (test_bit(BTUSB_DOWNLOADING, &data->flags)) { | |
2163 | DECLARE_WAITQUEUE(wait, current); | |
2164 | signed long timeout; | |
2165 | ||
2166 | BT_INFO("%s: Waiting for firmware download to complete", | |
2167 | hdev->name); | |
2168 | ||
2169 | add_wait_queue(&hdev->req_wait_q, &wait); | |
2170 | set_current_state(TASK_INTERRUPTIBLE); | |
2171 | ||
2172 | /* The firmware loading should not take longer than 5 seconds | |
2173 | * and thus just timeout if that happens and fail the setup | |
2174 | * of this device. | |
2175 | */ | |
2176 | timeout = schedule_timeout(msecs_to_jiffies(5000)); | |
2177 | ||
2178 | remove_wait_queue(&hdev->req_wait_q, &wait); | |
2179 | ||
2180 | if (signal_pending(current)) { | |
2181 | BT_ERR("%s: Firmware loading interrupted", hdev->name); | |
2182 | err = -EINTR; | |
2183 | goto done; | |
2184 | } | |
2185 | ||
2186 | if (!timeout) { | |
2187 | BT_ERR("%s: Firmware loading timeout", hdev->name); | |
2188 | err = -ETIMEDOUT; | |
2189 | goto done; | |
2190 | } | |
2191 | } | |
2192 | ||
2193 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { | |
2194 | BT_ERR("%s: Firmware loading failed", hdev->name); | |
2195 | err = -ENOEXEC; | |
2196 | goto done; | |
2197 | } | |
2198 | ||
2199 | rettime = ktime_get(); | |
2200 | delta = ktime_sub(rettime, calltime); | |
2201 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2202 | ||
2203 | BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration); | |
2204 | ||
2205 | done: | |
2206 | release_firmware(fw); | |
2207 | ||
2208 | if (err < 0) | |
2209 | return err; | |
2210 | ||
2211 | calltime = ktime_get(); | |
2212 | ||
2213 | set_bit(BTUSB_BOOTING, &data->flags); | |
2214 | ||
2215 | skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param, | |
2216 | HCI_INIT_TIMEOUT); | |
2217 | if (IS_ERR(skb)) | |
2218 | return PTR_ERR(skb); | |
2219 | ||
2220 | kfree_skb(skb); | |
2221 | ||
2222 | /* The bootloader will not indicate when the device is ready. This | |
2223 | * is done by the operational firmware sending bootup notification. | |
2224 | */ | |
2225 | if (test_bit(BTUSB_BOOTING, &data->flags)) { | |
2226 | DECLARE_WAITQUEUE(wait, current); | |
2227 | signed long timeout; | |
2228 | ||
2229 | BT_INFO("%s: Waiting for device to boot", hdev->name); | |
2230 | ||
2231 | add_wait_queue(&hdev->req_wait_q, &wait); | |
2232 | set_current_state(TASK_INTERRUPTIBLE); | |
2233 | ||
2234 | /* Booting into operational firmware should not take | |
2235 | * longer than 1 second. However if that happens, then | |
2236 | * just fail the setup since something went wrong. | |
2237 | */ | |
2238 | timeout = schedule_timeout(msecs_to_jiffies(1000)); | |
2239 | ||
2240 | remove_wait_queue(&hdev->req_wait_q, &wait); | |
2241 | ||
2242 | if (signal_pending(current)) { | |
2243 | BT_ERR("%s: Device boot interrupted", hdev->name); | |
2244 | return -EINTR; | |
2245 | } | |
2246 | ||
2247 | if (!timeout) { | |
2248 | BT_ERR("%s: Device boot timeout", hdev->name); | |
2249 | return -ETIMEDOUT; | |
2250 | } | |
2251 | } | |
2252 | ||
2253 | rettime = ktime_get(); | |
2254 | delta = ktime_sub(rettime, calltime); | |
2255 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2256 | ||
2257 | BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration); | |
2258 | ||
2259 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2260 | ||
2261 | return 0; | |
2262 | } | |
2263 | ||
cb8d6597 MH |
2264 | static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
2265 | { | |
2266 | struct sk_buff *skb; | |
2267 | long ret; | |
2268 | ||
2269 | skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT); | |
2270 | if (IS_ERR(skb)) { | |
2271 | ret = PTR_ERR(skb); | |
2272 | BT_ERR("%s: changing Intel device address failed (%ld)", | |
89e7533d | 2273 | hdev->name, ret); |
cb8d6597 MH |
2274 | return ret; |
2275 | } | |
2276 | kfree_skb(skb); | |
2277 | ||
2278 | return 0; | |
2279 | } | |
2280 | ||
ae8df494 AK |
2281 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
2282 | const bdaddr_t *bdaddr) | |
2283 | { | |
2284 | struct sk_buff *skb; | |
2285 | u8 buf[8]; | |
2286 | long ret; | |
2287 | ||
2288 | buf[0] = 0xfe; | |
2289 | buf[1] = sizeof(bdaddr_t); | |
2290 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
2291 | ||
2292 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2293 | if (IS_ERR(skb)) { | |
2294 | ret = PTR_ERR(skb); | |
2295 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
2296 | hdev->name, ret); | |
2297 | return ret; | |
2298 | } | |
2299 | kfree_skb(skb); | |
2300 | ||
2301 | return 0; | |
2302 | } | |
2303 | ||
c8abb73f MH |
2304 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) |
2305 | ||
10d4c673 PG |
2306 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
2307 | { | |
2308 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2309 | struct usb_device *udev = data->udev; | |
2310 | char fw_name[64]; | |
2311 | const struct firmware *fw; | |
2312 | const u8 *fw_ptr; | |
2313 | size_t fw_size; | |
2314 | const struct hci_command_hdr *cmd; | |
2315 | const u8 *cmd_param; | |
2316 | u16 opcode; | |
2317 | struct sk_buff *skb; | |
2318 | struct hci_rp_read_local_version *ver; | |
c8abb73f | 2319 | struct hci_rp_read_bd_addr *bda; |
10d4c673 PG |
2320 | long ret; |
2321 | ||
2322 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd", | |
2323 | udev->product ? udev->product : "BCM", | |
2324 | le16_to_cpu(udev->descriptor.idVendor), | |
2325 | le16_to_cpu(udev->descriptor.idProduct)); | |
2326 | ||
2327 | ret = request_firmware(&fw, fw_name, &hdev->dev); | |
2328 | if (ret < 0) { | |
c8abb73f | 2329 | BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name); |
10d4c673 PG |
2330 | return 0; |
2331 | } | |
2332 | ||
2333 | /* Reset */ | |
2334 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2335 | if (IS_ERR(skb)) { | |
2336 | ret = PTR_ERR(skb); | |
2337 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
2338 | goto done; | |
2339 | } | |
2340 | kfree_skb(skb); | |
2341 | ||
2342 | /* Read Local Version Info */ | |
2343 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
2344 | HCI_INIT_TIMEOUT); | |
2345 | if (IS_ERR(skb)) { | |
2346 | ret = PTR_ERR(skb); | |
2347 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
89e7533d | 2348 | hdev->name, ret); |
10d4c673 PG |
2349 | goto done; |
2350 | } | |
2351 | ||
2352 | if (skb->len != sizeof(*ver)) { | |
2353 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
89e7533d | 2354 | hdev->name); |
10d4c673 PG |
2355 | kfree_skb(skb); |
2356 | ret = -EIO; | |
2357 | goto done; | |
2358 | } | |
2359 | ||
89e7533d | 2360 | ver = (struct hci_rp_read_local_version *)skb->data; |
10d4c673 PG |
2361 | BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
2362 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
2363 | ver->lmp_ver, ver->lmp_subver); | |
2364 | kfree_skb(skb); | |
2365 | ||
2366 | /* Start Download */ | |
2367 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); | |
2368 | if (IS_ERR(skb)) { | |
2369 | ret = PTR_ERR(skb); | |
2370 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", | |
89e7533d | 2371 | hdev->name, ret); |
10d4c673 PG |
2372 | goto reset_fw; |
2373 | } | |
2374 | kfree_skb(skb); | |
2375 | ||
2376 | /* 50 msec delay after Download Minidrv completes */ | |
2377 | msleep(50); | |
2378 | ||
2379 | fw_ptr = fw->data; | |
2380 | fw_size = fw->size; | |
2381 | ||
2382 | while (fw_size >= sizeof(*cmd)) { | |
89e7533d | 2383 | cmd = (struct hci_command_hdr *)fw_ptr; |
10d4c673 PG |
2384 | fw_ptr += sizeof(*cmd); |
2385 | fw_size -= sizeof(*cmd); | |
2386 | ||
2387 | if (fw_size < cmd->plen) { | |
2388 | BT_ERR("%s: BCM: patch %s is corrupted", | |
89e7533d | 2389 | hdev->name, fw_name); |
10d4c673 PG |
2390 | ret = -EINVAL; |
2391 | goto reset_fw; | |
2392 | } | |
2393 | ||
2394 | cmd_param = fw_ptr; | |
2395 | fw_ptr += cmd->plen; | |
2396 | fw_size -= cmd->plen; | |
2397 | ||
2398 | opcode = le16_to_cpu(cmd->opcode); | |
2399 | ||
2400 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, | |
2401 | HCI_INIT_TIMEOUT); | |
2402 | if (IS_ERR(skb)) { | |
2403 | ret = PTR_ERR(skb); | |
2404 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", | |
89e7533d | 2405 | hdev->name, opcode, ret); |
10d4c673 PG |
2406 | goto reset_fw; |
2407 | } | |
2408 | kfree_skb(skb); | |
2409 | } | |
2410 | ||
2411 | /* 250 msec delay after Launch Ram completes */ | |
2412 | msleep(250); | |
2413 | ||
2414 | reset_fw: | |
2415 | /* Reset */ | |
2416 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2417 | if (IS_ERR(skb)) { | |
2418 | ret = PTR_ERR(skb); | |
2419 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
2420 | goto done; | |
2421 | } | |
2422 | kfree_skb(skb); | |
2423 | ||
2424 | /* Read Local Version Info */ | |
2425 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
2426 | HCI_INIT_TIMEOUT); | |
2427 | if (IS_ERR(skb)) { | |
2428 | ret = PTR_ERR(skb); | |
2429 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
89e7533d | 2430 | hdev->name, ret); |
10d4c673 PG |
2431 | goto done; |
2432 | } | |
2433 | ||
2434 | if (skb->len != sizeof(*ver)) { | |
2435 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
89e7533d | 2436 | hdev->name); |
10d4c673 PG |
2437 | kfree_skb(skb); |
2438 | ret = -EIO; | |
2439 | goto done; | |
2440 | } | |
2441 | ||
89e7533d | 2442 | ver = (struct hci_rp_read_local_version *)skb->data; |
10d4c673 PG |
2443 | BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
2444 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
2445 | ver->lmp_ver, ver->lmp_subver); | |
2446 | kfree_skb(skb); | |
2447 | ||
c8abb73f MH |
2448 | /* Read BD Address */ |
2449 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
2450 | HCI_INIT_TIMEOUT); | |
2451 | if (IS_ERR(skb)) { | |
2452 | ret = PTR_ERR(skb); | |
2453 | BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)", | |
89e7533d | 2454 | hdev->name, ret); |
c8abb73f MH |
2455 | goto done; |
2456 | } | |
2457 | ||
2458 | if (skb->len != sizeof(*bda)) { | |
2459 | BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch", | |
89e7533d | 2460 | hdev->name); |
c8abb73f MH |
2461 | kfree_skb(skb); |
2462 | ret = -EIO; | |
2463 | goto done; | |
2464 | } | |
2465 | ||
89e7533d | 2466 | bda = (struct hci_rp_read_bd_addr *)skb->data; |
c8abb73f MH |
2467 | if (bda->status) { |
2468 | BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)", | |
2469 | hdev->name, bda->status); | |
2470 | kfree_skb(skb); | |
2471 | ret = -bt_to_errno(bda->status); | |
2472 | goto done; | |
2473 | } | |
2474 | ||
2475 | /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller | |
2476 | * with no configured address. | |
2477 | */ | |
849e5086 | 2478 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) { |
c8abb73f MH |
2479 | BT_INFO("%s: BCM: using default device address (%pMR)", |
2480 | hdev->name, &bda->bdaddr); | |
849e5086 MH |
2481 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
2482 | } | |
c8abb73f MH |
2483 | |
2484 | kfree_skb(skb); | |
2485 | ||
10d4c673 PG |
2486 | done: |
2487 | release_firmware(fw); | |
2488 | ||
2489 | return ret; | |
2490 | } | |
2491 | ||
abbaf50e MH |
2492 | static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
2493 | { | |
2494 | struct sk_buff *skb; | |
2495 | long ret; | |
2496 | ||
2497 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); | |
2498 | if (IS_ERR(skb)) { | |
2499 | ret = PTR_ERR(skb); | |
2500 | BT_ERR("%s: BCM: Change address command failed (%ld)", | |
89e7533d | 2501 | hdev->name, ret); |
abbaf50e MH |
2502 | return ret; |
2503 | } | |
2504 | kfree_skb(skb); | |
2505 | ||
2506 | return 0; | |
2507 | } | |
2508 | ||
5859223e TK |
2509 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
2510 | const bdaddr_t *bdaddr) | |
2511 | { | |
2512 | struct sk_buff *skb; | |
2513 | u8 buf[10]; | |
2514 | long ret; | |
2515 | ||
2516 | buf[0] = 0x01; | |
2517 | buf[1] = 0x01; | |
2518 | buf[2] = 0x00; | |
2519 | buf[3] = sizeof(bdaddr_t); | |
2520 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
2521 | ||
2522 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2523 | if (IS_ERR(skb)) { | |
2524 | ret = PTR_ERR(skb); | |
2525 | BT_ERR("%s: Change address command failed (%ld)", | |
2526 | hdev->name, ret); | |
2527 | return ret; | |
2528 | } | |
2529 | kfree_skb(skb); | |
2530 | ||
2531 | return 0; | |
2532 | } | |
2533 | ||
5e23b923 | 2534 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 2535 | const struct usb_device_id *id) |
5e23b923 MH |
2536 | { |
2537 | struct usb_endpoint_descriptor *ep_desc; | |
2538 | struct btusb_data *data; | |
2539 | struct hci_dev *hdev; | |
2540 | int i, err; | |
2541 | ||
2542 | BT_DBG("intf %p id %p", intf, id); | |
2543 | ||
cfeb4145 | 2544 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
2545 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
2546 | return -ENODEV; | |
2547 | ||
2548 | if (!id->driver_info) { | |
2549 | const struct usb_device_id *match; | |
89e7533d | 2550 | |
5e23b923 MH |
2551 | match = usb_match_id(intf, blacklist_table); |
2552 | if (match) | |
2553 | id = match; | |
2554 | } | |
2555 | ||
cfeb4145 MH |
2556 | if (id->driver_info == BTUSB_IGNORE) |
2557 | return -ENODEV; | |
2558 | ||
2d25f8b4 SL |
2559 | if (id->driver_info & BTUSB_ATH3012) { |
2560 | struct usb_device *udev = interface_to_usbdev(intf); | |
2561 | ||
2562 | /* Old firmware would otherwise let ath3k driver load | |
2563 | * patch and sysconfig files */ | |
2564 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
2565 | return -ENODEV; | |
2566 | } | |
2567 | ||
98921dbd | 2568 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
2569 | if (!data) |
2570 | return -ENOMEM; | |
2571 | ||
2572 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2573 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2574 | ||
2575 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
2576 | data->intr_ep = ep_desc; | |
2577 | continue; | |
2578 | } | |
2579 | ||
2580 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2581 | data->bulk_tx_ep = ep_desc; | |
2582 | continue; | |
2583 | } | |
2584 | ||
2585 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2586 | data->bulk_rx_ep = ep_desc; | |
2587 | continue; | |
2588 | } | |
2589 | } | |
2590 | ||
98921dbd | 2591 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 2592 | return -ENODEV; |
5e23b923 | 2593 | |
7a9d4020 MH |
2594 | data->cmdreq_type = USB_TYPE_CLASS; |
2595 | ||
5e23b923 | 2596 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2597 | data->intf = intf; |
5e23b923 | 2598 | |
5e23b923 | 2599 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2600 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2601 | init_usb_anchor(&data->deferred); |
2602 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2603 | spin_lock_init(&data->txlock); |
5e23b923 | 2604 | |
5e23b923 MH |
2605 | init_usb_anchor(&data->intr_anchor); |
2606 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 2607 | init_usb_anchor(&data->isoc_anchor); |
803b5836 | 2608 | spin_lock_init(&data->rxlock); |
5e23b923 | 2609 | |
cda0dd78 MH |
2610 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2611 | data->recv_event = btusb_recv_event_intel; | |
2612 | data->recv_bulk = btusb_recv_bulk_intel; | |
2613 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
2614 | } else { | |
2615 | data->recv_event = hci_recv_frame; | |
2616 | data->recv_bulk = btusb_recv_bulk; | |
2617 | } | |
2cbd3f5c | 2618 | |
5e23b923 | 2619 | hdev = hci_alloc_dev(); |
98921dbd | 2620 | if (!hdev) |
5e23b923 | 2621 | return -ENOMEM; |
5e23b923 | 2622 | |
c13854ce | 2623 | hdev->bus = HCI_USB; |
155961e8 | 2624 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
2625 | |
2626 | data->hdev = hdev; | |
2627 | ||
2628 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
2629 | ||
9f8f962c MH |
2630 | hdev->open = btusb_open; |
2631 | hdev->close = btusb_close; | |
2632 | hdev->flush = btusb_flush; | |
2633 | hdev->send = btusb_send_frame; | |
2634 | hdev->notify = btusb_notify; | |
2635 | ||
2636 | if (id->driver_info & BTUSB_BCM92035) | |
2637 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 2638 | |
abbaf50e | 2639 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
10d4c673 | 2640 | hdev->setup = btusb_setup_bcm_patchram; |
abbaf50e | 2641 | hdev->set_bdaddr = btusb_set_bdaddr_bcm; |
27c3fbe0 | 2642 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
abbaf50e | 2643 | } |
10d4c673 | 2644 | |
cb8d6597 | 2645 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 2646 | hdev->setup = btusb_setup_intel; |
cb8d6597 MH |
2647 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
2648 | } | |
dffd30ee | 2649 | |
cda0dd78 MH |
2650 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2651 | hdev->send = btusb_send_frame_intel; | |
2652 | hdev->setup = btusb_setup_intel_new; | |
2653 | hdev->set_bdaddr = btusb_set_bdaddr_intel; | |
2654 | } | |
2655 | ||
ae8df494 AK |
2656 | if (id->driver_info & BTUSB_MARVELL) |
2657 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
2658 | ||
661cf88a MH |
2659 | if (id->driver_info & BTUSB_SWAVE) { |
2660 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
d57dbe77 | 2661 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
661cf88a | 2662 | } |
d57dbe77 | 2663 | |
40df783d MH |
2664 | if (id->driver_info & BTUSB_INTEL_BOOT) |
2665 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2666 | ||
5859223e TK |
2667 | if (id->driver_info & BTUSB_ATH3012) |
2668 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
2669 | ||
7a9d4020 | 2670 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
2671 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
2672 | ||
7a9d4020 | 2673 | if (!reset) |
a6c511c6 | 2674 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
2675 | |
2676 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
2677 | if (!disable_scofix) | |
2678 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
2679 | } | |
2680 | ||
9bfa35fe MH |
2681 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
2682 | data->isoc = NULL; | |
2683 | ||
7a9d4020 MH |
2684 | if (id->driver_info & BTUSB_DIGIANSWER) { |
2685 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 2686 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
2687 | } |
2688 | ||
2689 | if (id->driver_info & BTUSB_CSR) { | |
2690 | struct usb_device *udev = data->udev; | |
81cac64b | 2691 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
2692 | |
2693 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 2694 | if (bcdDevice < 0x117) |
a6c511c6 | 2695 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
2696 | |
2697 | /* Fake CSR devices with broken commands */ | |
2698 | if (bcdDevice <= 0x100) | |
2699 | hdev->setup = btusb_setup_csr; | |
7a9d4020 MH |
2700 | } |
2701 | ||
cfeb4145 | 2702 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 2703 | struct usb_device *udev = data->udev; |
cfeb4145 | 2704 | |
7a9d4020 | 2705 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
2706 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
2707 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2708 | } | |
2709 | ||
3a5ef20c MH |
2710 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
2711 | /* A bug in the bootloader causes that interrupt interface is | |
2712 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
2713 | */ | |
2714 | err = usb_set_interface(data->udev, 0, 0); | |
2715 | if (err < 0) { | |
2716 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
2717 | hci_free_dev(hdev); | |
2718 | return err; | |
2719 | } | |
2720 | } | |
2721 | ||
9bfa35fe MH |
2722 | if (data->isoc) { |
2723 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 2724 | data->isoc, data); |
9bfa35fe MH |
2725 | if (err < 0) { |
2726 | hci_free_dev(hdev); | |
9bfa35fe MH |
2727 | return err; |
2728 | } | |
2729 | } | |
2730 | ||
5e23b923 MH |
2731 | err = hci_register_dev(hdev); |
2732 | if (err < 0) { | |
2733 | hci_free_dev(hdev); | |
5e23b923 MH |
2734 | return err; |
2735 | } | |
2736 | ||
2737 | usb_set_intfdata(intf, data); | |
2738 | ||
2739 | return 0; | |
2740 | } | |
2741 | ||
2742 | static void btusb_disconnect(struct usb_interface *intf) | |
2743 | { | |
2744 | struct btusb_data *data = usb_get_intfdata(intf); | |
2745 | struct hci_dev *hdev; | |
2746 | ||
2747 | BT_DBG("intf %p", intf); | |
2748 | ||
2749 | if (!data) | |
2750 | return; | |
2751 | ||
2752 | hdev = data->hdev; | |
5fbcd260 MH |
2753 | usb_set_intfdata(data->intf, NULL); |
2754 | ||
2755 | if (data->isoc) | |
2756 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
2757 | |
2758 | hci_unregister_dev(hdev); | |
2759 | ||
5fbcd260 MH |
2760 | if (intf == data->isoc) |
2761 | usb_driver_release_interface(&btusb_driver, data->intf); | |
2762 | else if (data->isoc) | |
2763 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
2764 | ||
803b5836 | 2765 | btusb_free_frags(data); |
5e23b923 MH |
2766 | hci_free_dev(hdev); |
2767 | } | |
2768 | ||
7bee549e | 2769 | #ifdef CONFIG_PM |
6a88adf2 MH |
2770 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
2771 | { | |
2772 | struct btusb_data *data = usb_get_intfdata(intf); | |
2773 | ||
2774 | BT_DBG("intf %p", intf); | |
2775 | ||
2776 | if (data->suspend_count++) | |
2777 | return 0; | |
2778 | ||
7bee549e | 2779 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 2780 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
2781 | set_bit(BTUSB_SUSPENDING, &data->flags); |
2782 | spin_unlock_irq(&data->txlock); | |
2783 | } else { | |
2784 | spin_unlock_irq(&data->txlock); | |
2785 | data->suspend_count--; | |
2786 | return -EBUSY; | |
2787 | } | |
2788 | ||
6a88adf2 MH |
2789 | cancel_work_sync(&data->work); |
2790 | ||
7bee549e | 2791 | btusb_stop_traffic(data); |
6a88adf2 MH |
2792 | usb_kill_anchored_urbs(&data->tx_anchor); |
2793 | ||
6a88adf2 MH |
2794 | return 0; |
2795 | } | |
2796 | ||
7bee549e ON |
2797 | static void play_deferred(struct btusb_data *data) |
2798 | { | |
2799 | struct urb *urb; | |
2800 | int err; | |
2801 | ||
2802 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
2803 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
2804 | if (err < 0) | |
2805 | break; | |
2806 | ||
2807 | data->tx_in_flight++; | |
2808 | } | |
2809 | usb_scuttle_anchored_urbs(&data->deferred); | |
2810 | } | |
2811 | ||
6a88adf2 MH |
2812 | static int btusb_resume(struct usb_interface *intf) |
2813 | { | |
2814 | struct btusb_data *data = usb_get_intfdata(intf); | |
2815 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 2816 | int err = 0; |
6a88adf2 MH |
2817 | |
2818 | BT_DBG("intf %p", intf); | |
2819 | ||
2820 | if (--data->suspend_count) | |
2821 | return 0; | |
2822 | ||
2823 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 2824 | goto done; |
6a88adf2 MH |
2825 | |
2826 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
2827 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
2828 | if (err < 0) { | |
2829 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 2830 | goto failed; |
6a88adf2 MH |
2831 | } |
2832 | } | |
2833 | ||
2834 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
2835 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
2836 | if (err < 0) { | |
6a88adf2 | 2837 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
2838 | goto failed; |
2839 | } | |
2840 | ||
2841 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
2842 | } |
2843 | ||
2844 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2845 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
2846 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
2847 | else | |
2848 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
2849 | } | |
2850 | ||
7bee549e ON |
2851 | spin_lock_irq(&data->txlock); |
2852 | play_deferred(data); | |
2853 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2854 | spin_unlock_irq(&data->txlock); | |
2855 | schedule_work(&data->work); | |
2856 | ||
6a88adf2 | 2857 | return 0; |
7bee549e ON |
2858 | |
2859 | failed: | |
2860 | usb_scuttle_anchored_urbs(&data->deferred); | |
2861 | done: | |
2862 | spin_lock_irq(&data->txlock); | |
2863 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2864 | spin_unlock_irq(&data->txlock); | |
2865 | ||
2866 | return err; | |
6a88adf2 | 2867 | } |
7bee549e | 2868 | #endif |
6a88adf2 | 2869 | |
5e23b923 MH |
2870 | static struct usb_driver btusb_driver = { |
2871 | .name = "btusb", | |
2872 | .probe = btusb_probe, | |
2873 | .disconnect = btusb_disconnect, | |
7bee549e | 2874 | #ifdef CONFIG_PM |
6a88adf2 MH |
2875 | .suspend = btusb_suspend, |
2876 | .resume = btusb_resume, | |
7bee549e | 2877 | #endif |
5e23b923 | 2878 | .id_table = btusb_table, |
7bee549e | 2879 | .supports_autosuspend = 1, |
e1f12eb6 | 2880 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
2881 | }; |
2882 | ||
93f1508c | 2883 | module_usb_driver(btusb_driver); |
5e23b923 | 2884 | |
cfeb4145 MH |
2885 | module_param(disable_scofix, bool, 0644); |
2886 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
2887 | ||
2888 | module_param(force_scofix, bool, 0644); | |
2889 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
2890 | ||
2891 | module_param(reset, bool, 0644); | |
2892 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
2893 | ||
5e23b923 MH |
2894 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
2895 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
2896 | MODULE_VERSION(VERSION); | |
2897 | MODULE_LICENSE("GPL"); |