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 |
893ba544 | 54 | #define BTUSB_AMP 0x4000 |
5e23b923 | 55 | |
54265202 | 56 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
57 | /* Generic Bluetooth USB device */ |
58 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
59 | ||
893ba544 MH |
60 | /* Generic Bluetooth AMP device */ |
61 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, | |
62 | ||
1fa6535f HR |
63 | /* Apple-specific (Broadcom) devices */ |
64 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, | |
65 | ||
178c059e CYC |
66 | /* MediaTek MT76x0E */ |
67 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
68 | ||
c510eae3 | 69 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 70 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 71 | |
3cd01976 NI |
72 | /* Apple MacBookPro 7,1 */ |
73 | { USB_DEVICE(0x05ac, 0x8213) }, | |
74 | ||
0a79f674 CL |
75 | /* Apple iMac11,1 */ |
76 | { USB_DEVICE(0x05ac, 0x8215) }, | |
77 | ||
9c047157 NI |
78 | /* Apple MacBookPro6,2 */ |
79 | { USB_DEVICE(0x05ac, 0x8218) }, | |
80 | ||
3e3ede7d EH |
81 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
82 | { USB_DEVICE(0x05ac, 0x821b) }, | |
83 | ||
a63b723d PAVM |
84 | /* Apple MacBookAir4,1 */ |
85 | { USB_DEVICE(0x05ac, 0x821f) }, | |
86 | ||
88d377b6 MAP |
87 | /* Apple MacBookPro8,2 */ |
88 | { USB_DEVICE(0x05ac, 0x821a) }, | |
89 | ||
f78b6826 JK |
90 | /* Apple MacMini5,1 */ |
91 | { USB_DEVICE(0x05ac, 0x8281) }, | |
92 | ||
cfeb4145 | 93 | /* AVM BlueFRITZ! USB v2.0 */ |
4fcef8ed | 94 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
cfeb4145 MH |
95 | |
96 | /* Bluetooth Ultraport Module from IBM */ | |
97 | { USB_DEVICE(0x04bf, 0x030a) }, | |
98 | ||
99 | /* ALPS Modules with non-standard id */ | |
100 | { USB_DEVICE(0x044e, 0x3001) }, | |
101 | { USB_DEVICE(0x044e, 0x3002) }, | |
102 | ||
103 | /* Ericsson with non-standard id */ | |
104 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
105 | ||
106 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 107 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 108 | |
d13431ca | 109 | /* Broadcom BCM20702A0 */ |
0b880062 AS |
110 | { USB_DEVICE(0x0489, 0xe042) }, |
111 | { USB_DEVICE(0x04ca, 0x2003) }, | |
1ee3ff61 | 112 | { USB_DEVICE(0x0b05, 0x17b5) }, |
38a172be | 113 | { USB_DEVICE(0x0b05, 0x17cb) }, |
d13431ca | 114 | { USB_DEVICE(0x413c, 0x8197) }, |
a86c02ea F |
115 | { USB_DEVICE(0x13d3, 0x3404), |
116 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
d13431ca | 117 | |
d049f4e5 MH |
118 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
119 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, | |
120 | ||
98514036 | 121 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
122 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
123 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 124 | |
8f0c304c MD |
125 | /* Lite-On Technology - Broadcom based */ |
126 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), | |
127 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
128 | ||
0b880062 | 129 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
130 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
131 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 132 | |
c2aef6e8 | 133 | /* ASUSTek Computer - Broadcom based */ |
9a5abdaa RD |
134 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
135 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
c2aef6e8 | 136 | |
5bcecf32 KB |
137 | /* Belkin F8065bf - Broadcom based */ |
138 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, | |
139 | ||
9113bfd8 JK |
140 | /* IMC Networks - Broadcom based */ |
141 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, | |
142 | ||
40df783d | 143 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
144 | { USB_DEVICE(0x8087, 0x0a5a), |
145 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 146 | |
5e23b923 MH |
147 | { } /* Terminating entry */ |
148 | }; | |
149 | ||
150 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
151 | ||
54265202 | 152 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
153 | /* CSR BlueCore devices */ |
154 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
155 | ||
156 | /* Broadcom BCM2033 without firmware */ | |
157 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
158 | ||
be93112a | 159 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
160 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
161 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
162 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, | |
be93112a | 163 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 164 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 165 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 166 | |
509e7861 CYC |
167 | /* Atheros AR9285 Malbec with sflash firmware */ |
168 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
169 | ||
d9f51b51 | 170 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
171 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
172 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
173 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
174 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
175 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
4b552bc9 | 176 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
177 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
178 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
179 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
180 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 181 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
182 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
183 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
134d3b35 | 184 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
185 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
186 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
89d2975f | 187 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 188 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 189 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 190 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 191 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 192 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 193 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 194 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 195 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 196 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 197 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 198 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 199 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
200 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
201 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 202 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 203 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 204 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
033efa92 | 205 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 206 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 207 | |
e9036e33 CYC |
208 | /* Atheros AR5BBU12 with sflash firmware */ |
209 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
210 | ||
85d59726 | 211 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 212 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 213 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 214 | |
cfeb4145 | 215 | /* Broadcom BCM2035 */ |
7a9d4020 | 216 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
217 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
218 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
219 | |
220 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
221 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
222 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 223 | |
cfeb4145 | 224 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
225 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
226 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
227 | |
228 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 229 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
230 | |
231 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 232 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 233 | |
5ddd4a60 | 234 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 235 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 236 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 237 | |
7a9d4020 MH |
238 | /* Belkin F8T012 and F8T013 devices */ |
239 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
240 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 241 | |
5ddd4a60 MH |
242 | /* Asus WL-BTD202 device */ |
243 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
244 | ||
245 | /* Kensington Bluetooth USB adapter */ | |
246 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
247 | ||
cfeb4145 MH |
248 | /* RTX Telecom based adapters with buggy SCO support */ |
249 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
250 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
251 | ||
252 | /* CONWISE Technology based adapters with buggy SCO support */ | |
253 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
254 | ||
4fcef8ed MH |
255 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
256 | { USB_DEVICE(0x1300, 0x0001), .driver_info = BTUSB_SWAVE }, | |
257 | ||
cfeb4145 MH |
258 | /* Digianswer devices */ |
259 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
260 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
261 | ||
262 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
263 | { USB_DEVICE(0x0a12, 0x0002), |
264 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
265 | |
266 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
267 | { USB_DEVICE(0x16d3, 0x0002), |
268 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 269 | |
cb1ee89f MH |
270 | /* Marvell Bluetooth devices */ |
271 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
272 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
273 | ||
d0ac9eb7 | 274 | /* Intel Bluetooth devices */ |
dffd30ee | 275 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
ef4e5e4a | 276 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
cda0dd78 | 277 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, |
dffd30ee | 278 | |
d0ac9eb7 MH |
279 | /* Other Intel Bluetooth devices */ |
280 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), | |
281 | .driver_info = BTUSB_IGNORE }, | |
ae8df494 | 282 | |
5e23b923 MH |
283 | { } /* Terminating entry */ |
284 | }; | |
285 | ||
9bfa35fe MH |
286 | #define BTUSB_MAX_ISOC_FRAMES 10 |
287 | ||
5e23b923 MH |
288 | #define BTUSB_INTR_RUNNING 0 |
289 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 290 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 291 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 292 | #define BTUSB_DID_ISO_RESUME 4 |
cda0dd78 MH |
293 | #define BTUSB_BOOTLOADER 5 |
294 | #define BTUSB_DOWNLOADING 6 | |
ce6bb929 | 295 | #define BTUSB_FIRMWARE_LOADED 7 |
cda0dd78 | 296 | #define BTUSB_FIRMWARE_FAILED 8 |
ce6bb929 | 297 | #define BTUSB_BOOTING 9 |
5e23b923 MH |
298 | |
299 | struct btusb_data { | |
300 | struct hci_dev *hdev; | |
301 | struct usb_device *udev; | |
5fbcd260 | 302 | struct usb_interface *intf; |
9bfa35fe | 303 | struct usb_interface *isoc; |
5e23b923 | 304 | |
5e23b923 MH |
305 | unsigned long flags; |
306 | ||
307 | struct work_struct work; | |
7bee549e | 308 | struct work_struct waker; |
5e23b923 | 309 | |
803b5836 | 310 | struct usb_anchor deferred; |
5e23b923 | 311 | struct usb_anchor tx_anchor; |
803b5836 MH |
312 | int tx_in_flight; |
313 | spinlock_t txlock; | |
314 | ||
5e23b923 MH |
315 | struct usb_anchor intr_anchor; |
316 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 317 | struct usb_anchor isoc_anchor; |
803b5836 MH |
318 | spinlock_t rxlock; |
319 | ||
320 | struct sk_buff *evt_skb; | |
321 | struct sk_buff *acl_skb; | |
322 | struct sk_buff *sco_skb; | |
5e23b923 MH |
323 | |
324 | struct usb_endpoint_descriptor *intr_ep; | |
325 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
326 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
327 | struct usb_endpoint_descriptor *isoc_tx_ep; |
328 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
329 | ||
7a9d4020 | 330 | __u8 cmdreq_type; |
893ba544 | 331 | __u8 cmdreq; |
7a9d4020 | 332 | |
43c2e57f | 333 | unsigned int sco_num; |
9bfa35fe | 334 | int isoc_altsetting; |
6a88adf2 | 335 | int suspend_count; |
2cbd3f5c | 336 | |
97307f51 | 337 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
2cbd3f5c | 338 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
5e23b923 MH |
339 | }; |
340 | ||
a087a98e JH |
341 | static int btusb_wait_on_bit_timeout(void *word, int bit, unsigned long timeout, |
342 | unsigned mode) | |
343 | { | |
344 | might_sleep(); | |
345 | if (!test_bit(bit, word)) | |
346 | return 0; | |
347 | return out_of_line_wait_on_bit_timeout(word, bit, bit_wait_timeout, | |
348 | mode, timeout); | |
349 | } | |
350 | ||
803b5836 MH |
351 | static inline void btusb_free_frags(struct btusb_data *data) |
352 | { | |
353 | unsigned long flags; | |
354 | ||
355 | spin_lock_irqsave(&data->rxlock, flags); | |
356 | ||
357 | kfree_skb(data->evt_skb); | |
358 | data->evt_skb = NULL; | |
359 | ||
360 | kfree_skb(data->acl_skb); | |
361 | data->acl_skb = NULL; | |
362 | ||
363 | kfree_skb(data->sco_skb); | |
364 | data->sco_skb = NULL; | |
365 | ||
366 | spin_unlock_irqrestore(&data->rxlock, flags); | |
367 | } | |
368 | ||
1ffa4ad0 MH |
369 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
370 | { | |
803b5836 MH |
371 | struct sk_buff *skb; |
372 | int err = 0; | |
373 | ||
374 | spin_lock(&data->rxlock); | |
375 | skb = data->evt_skb; | |
376 | ||
377 | while (count) { | |
378 | int len; | |
379 | ||
380 | if (!skb) { | |
381 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
382 | if (!skb) { | |
383 | err = -ENOMEM; | |
384 | break; | |
385 | } | |
386 | ||
387 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
388 | bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE; | |
389 | } | |
390 | ||
391 | len = min_t(uint, bt_cb(skb)->expect, count); | |
392 | memcpy(skb_put(skb, len), buffer, len); | |
393 | ||
394 | count -= len; | |
395 | buffer += len; | |
396 | bt_cb(skb)->expect -= len; | |
397 | ||
398 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
399 | /* Complete event header */ | |
400 | bt_cb(skb)->expect = hci_event_hdr(skb)->plen; | |
401 | ||
402 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
403 | kfree_skb(skb); | |
404 | skb = NULL; | |
405 | ||
406 | err = -EILSEQ; | |
407 | break; | |
408 | } | |
409 | } | |
410 | ||
411 | if (bt_cb(skb)->expect == 0) { | |
412 | /* Complete frame */ | |
97307f51 | 413 | data->recv_event(data->hdev, skb); |
803b5836 MH |
414 | skb = NULL; |
415 | } | |
416 | } | |
417 | ||
418 | data->evt_skb = skb; | |
419 | spin_unlock(&data->rxlock); | |
420 | ||
421 | return err; | |
1ffa4ad0 MH |
422 | } |
423 | ||
424 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
425 | { | |
803b5836 MH |
426 | struct sk_buff *skb; |
427 | int err = 0; | |
428 | ||
429 | spin_lock(&data->rxlock); | |
430 | skb = data->acl_skb; | |
431 | ||
432 | while (count) { | |
433 | int len; | |
434 | ||
435 | if (!skb) { | |
436 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
437 | if (!skb) { | |
438 | err = -ENOMEM; | |
439 | break; | |
440 | } | |
441 | ||
442 | bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; | |
443 | bt_cb(skb)->expect = HCI_ACL_HDR_SIZE; | |
444 | } | |
445 | ||
446 | len = min_t(uint, bt_cb(skb)->expect, count); | |
447 | memcpy(skb_put(skb, len), buffer, len); | |
448 | ||
449 | count -= len; | |
450 | buffer += len; | |
451 | bt_cb(skb)->expect -= len; | |
452 | ||
453 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
454 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
455 | ||
456 | /* Complete ACL header */ | |
457 | bt_cb(skb)->expect = __le16_to_cpu(dlen); | |
458 | ||
459 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
460 | kfree_skb(skb); | |
461 | skb = NULL; | |
462 | ||
463 | err = -EILSEQ; | |
464 | break; | |
465 | } | |
466 | } | |
467 | ||
468 | if (bt_cb(skb)->expect == 0) { | |
469 | /* Complete frame */ | |
470 | hci_recv_frame(data->hdev, skb); | |
471 | skb = NULL; | |
472 | } | |
473 | } | |
474 | ||
475 | data->acl_skb = skb; | |
476 | spin_unlock(&data->rxlock); | |
477 | ||
478 | return err; | |
1ffa4ad0 MH |
479 | } |
480 | ||
481 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
482 | { | |
803b5836 MH |
483 | struct sk_buff *skb; |
484 | int err = 0; | |
485 | ||
486 | spin_lock(&data->rxlock); | |
487 | skb = data->sco_skb; | |
488 | ||
489 | while (count) { | |
490 | int len; | |
491 | ||
492 | if (!skb) { | |
493 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
494 | if (!skb) { | |
495 | err = -ENOMEM; | |
496 | break; | |
497 | } | |
498 | ||
499 | bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; | |
500 | bt_cb(skb)->expect = HCI_SCO_HDR_SIZE; | |
501 | } | |
502 | ||
503 | len = min_t(uint, bt_cb(skb)->expect, count); | |
504 | memcpy(skb_put(skb, len), buffer, len); | |
505 | ||
506 | count -= len; | |
507 | buffer += len; | |
508 | bt_cb(skb)->expect -= len; | |
509 | ||
510 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
511 | /* Complete SCO header */ | |
512 | bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen; | |
513 | ||
514 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
515 | kfree_skb(skb); | |
516 | skb = NULL; | |
517 | ||
518 | err = -EILSEQ; | |
519 | break; | |
520 | } | |
521 | } | |
522 | ||
523 | if (bt_cb(skb)->expect == 0) { | |
524 | /* Complete frame */ | |
525 | hci_recv_frame(data->hdev, skb); | |
526 | skb = NULL; | |
527 | } | |
528 | } | |
529 | ||
530 | data->sco_skb = skb; | |
531 | spin_unlock(&data->rxlock); | |
532 | ||
533 | return err; | |
1ffa4ad0 MH |
534 | } |
535 | ||
5e23b923 MH |
536 | static void btusb_intr_complete(struct urb *urb) |
537 | { | |
538 | struct hci_dev *hdev = urb->context; | |
155961e8 | 539 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
540 | int err; |
541 | ||
89e7533d MH |
542 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
543 | urb->actual_length); | |
5e23b923 MH |
544 | |
545 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
546 | return; | |
547 | ||
548 | if (urb->status == 0) { | |
9bfa35fe MH |
549 | hdev->stat.byte_rx += urb->actual_length; |
550 | ||
1ffa4ad0 MH |
551 | if (btusb_recv_intr(data, urb->transfer_buffer, |
552 | urb->actual_length) < 0) { | |
5e23b923 MH |
553 | BT_ERR("%s corrupted event packet", hdev->name); |
554 | hdev->stat.err_rx++; | |
555 | } | |
85560c4a CC |
556 | } else if (urb->status == -ENOENT) { |
557 | /* Avoid suspend failed when usb_kill_urb */ | |
558 | return; | |
5e23b923 MH |
559 | } |
560 | ||
561 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
562 | return; | |
563 | ||
7bee549e | 564 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
565 | usb_anchor_urb(urb, &data->intr_anchor); |
566 | ||
567 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
568 | if (err < 0) { | |
4935f1c1 PB |
569 | /* -EPERM: urb is being killed; |
570 | * -ENODEV: device got disconnected */ | |
571 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 572 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 573 | hdev->name, urb, -err); |
5e23b923 MH |
574 | usb_unanchor_urb(urb); |
575 | } | |
576 | } | |
577 | ||
2eda66f4 | 578 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 579 | { |
155961e8 | 580 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
581 | struct urb *urb; |
582 | unsigned char *buf; | |
583 | unsigned int pipe; | |
584 | int err, size; | |
585 | ||
586 | BT_DBG("%s", hdev->name); | |
587 | ||
9bfa35fe MH |
588 | if (!data->intr_ep) |
589 | return -ENODEV; | |
590 | ||
2eda66f4 | 591 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
592 | if (!urb) |
593 | return -ENOMEM; | |
594 | ||
595 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
596 | ||
2eda66f4 | 597 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
598 | if (!buf) { |
599 | usb_free_urb(urb); | |
600 | return -ENOMEM; | |
601 | } | |
602 | ||
603 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
604 | ||
605 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 606 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
607 | |
608 | urb->transfer_flags |= URB_FREE_BUFFER; | |
609 | ||
610 | usb_anchor_urb(urb, &data->intr_anchor); | |
611 | ||
2eda66f4 | 612 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 613 | if (err < 0) { |
d4b8d1c9 PB |
614 | if (err != -EPERM && err != -ENODEV) |
615 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 616 | hdev->name, urb, -err); |
5e23b923 | 617 | usb_unanchor_urb(urb); |
5e23b923 MH |
618 | } |
619 | ||
620 | usb_free_urb(urb); | |
621 | ||
622 | return err; | |
623 | } | |
624 | ||
625 | static void btusb_bulk_complete(struct urb *urb) | |
626 | { | |
627 | struct hci_dev *hdev = urb->context; | |
155961e8 | 628 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
629 | int err; |
630 | ||
89e7533d MH |
631 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
632 | urb->actual_length); | |
5e23b923 MH |
633 | |
634 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
635 | return; | |
636 | ||
637 | if (urb->status == 0) { | |
9bfa35fe MH |
638 | hdev->stat.byte_rx += urb->actual_length; |
639 | ||
2cbd3f5c | 640 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 641 | urb->actual_length) < 0) { |
5e23b923 MH |
642 | BT_ERR("%s corrupted ACL packet", hdev->name); |
643 | hdev->stat.err_rx++; | |
644 | } | |
85560c4a CC |
645 | } else if (urb->status == -ENOENT) { |
646 | /* Avoid suspend failed when usb_kill_urb */ | |
647 | return; | |
5e23b923 MH |
648 | } |
649 | ||
650 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
651 | return; | |
652 | ||
653 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 654 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
655 | |
656 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
657 | if (err < 0) { | |
4935f1c1 PB |
658 | /* -EPERM: urb is being killed; |
659 | * -ENODEV: device got disconnected */ | |
660 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 661 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 662 | hdev->name, urb, -err); |
5e23b923 MH |
663 | usb_unanchor_urb(urb); |
664 | } | |
665 | } | |
666 | ||
2eda66f4 | 667 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 668 | { |
155961e8 | 669 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
670 | struct urb *urb; |
671 | unsigned char *buf; | |
672 | unsigned int pipe; | |
290ba200 | 673 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
674 | |
675 | BT_DBG("%s", hdev->name); | |
676 | ||
9bfa35fe MH |
677 | if (!data->bulk_rx_ep) |
678 | return -ENODEV; | |
679 | ||
2eda66f4 | 680 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
681 | if (!urb) |
682 | return -ENOMEM; | |
683 | ||
2eda66f4 | 684 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
685 | if (!buf) { |
686 | usb_free_urb(urb); | |
687 | return -ENOMEM; | |
688 | } | |
689 | ||
690 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
691 | ||
89e7533d MH |
692 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
693 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
694 | |
695 | urb->transfer_flags |= URB_FREE_BUFFER; | |
696 | ||
7bee549e | 697 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
698 | usb_anchor_urb(urb, &data->bulk_anchor); |
699 | ||
2eda66f4 | 700 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 701 | if (err < 0) { |
d4b8d1c9 PB |
702 | if (err != -EPERM && err != -ENODEV) |
703 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 704 | hdev->name, urb, -err); |
5e23b923 | 705 | usb_unanchor_urb(urb); |
5e23b923 MH |
706 | } |
707 | ||
708 | usb_free_urb(urb); | |
709 | ||
710 | return err; | |
711 | } | |
712 | ||
9bfa35fe MH |
713 | static void btusb_isoc_complete(struct urb *urb) |
714 | { | |
715 | struct hci_dev *hdev = urb->context; | |
155961e8 | 716 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
717 | int i, err; |
718 | ||
89e7533d MH |
719 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
720 | urb->actual_length); | |
9bfa35fe MH |
721 | |
722 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
723 | return; | |
724 | ||
725 | if (urb->status == 0) { | |
726 | for (i = 0; i < urb->number_of_packets; i++) { | |
727 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
728 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
729 | ||
730 | if (urb->iso_frame_desc[i].status) | |
731 | continue; | |
732 | ||
733 | hdev->stat.byte_rx += length; | |
734 | ||
1ffa4ad0 MH |
735 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
736 | length) < 0) { | |
9bfa35fe MH |
737 | BT_ERR("%s corrupted SCO packet", hdev->name); |
738 | hdev->stat.err_rx++; | |
739 | } | |
740 | } | |
85560c4a CC |
741 | } else if (urb->status == -ENOENT) { |
742 | /* Avoid suspend failed when usb_kill_urb */ | |
743 | return; | |
9bfa35fe MH |
744 | } |
745 | ||
746 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
747 | return; | |
748 | ||
749 | usb_anchor_urb(urb, &data->isoc_anchor); | |
750 | ||
751 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
752 | if (err < 0) { | |
4935f1c1 PB |
753 | /* -EPERM: urb is being killed; |
754 | * -ENODEV: device got disconnected */ | |
755 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 756 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 757 | hdev->name, urb, -err); |
9bfa35fe MH |
758 | usb_unanchor_urb(urb); |
759 | } | |
760 | } | |
761 | ||
42b16b3f | 762 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
763 | { |
764 | int i, offset = 0; | |
765 | ||
766 | BT_DBG("len %d mtu %d", len, mtu); | |
767 | ||
768 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
769 | i++, offset += mtu, len -= mtu) { | |
770 | urb->iso_frame_desc[i].offset = offset; | |
771 | urb->iso_frame_desc[i].length = mtu; | |
772 | } | |
773 | ||
774 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
775 | urb->iso_frame_desc[i].offset = offset; | |
776 | urb->iso_frame_desc[i].length = len; | |
777 | i++; | |
778 | } | |
779 | ||
780 | urb->number_of_packets = i; | |
781 | } | |
782 | ||
2eda66f4 | 783 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 784 | { |
155961e8 | 785 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
786 | struct urb *urb; |
787 | unsigned char *buf; | |
788 | unsigned int pipe; | |
789 | int err, size; | |
790 | ||
791 | BT_DBG("%s", hdev->name); | |
792 | ||
793 | if (!data->isoc_rx_ep) | |
794 | return -ENODEV; | |
795 | ||
2eda66f4 | 796 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
797 | if (!urb) |
798 | return -ENOMEM; | |
799 | ||
800 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
801 | BTUSB_MAX_ISOC_FRAMES; | |
802 | ||
2eda66f4 | 803 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
804 | if (!buf) { |
805 | usb_free_urb(urb); | |
806 | return -ENOMEM; | |
807 | } | |
808 | ||
809 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
810 | ||
fa0fb93f | 811 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 812 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 813 | |
89e7533d | 814 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
815 | |
816 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 817 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
818 | |
819 | usb_anchor_urb(urb, &data->isoc_anchor); | |
820 | ||
2eda66f4 | 821 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 822 | if (err < 0) { |
d4b8d1c9 PB |
823 | if (err != -EPERM && err != -ENODEV) |
824 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 825 | hdev->name, urb, -err); |
9bfa35fe | 826 | usb_unanchor_urb(urb); |
9bfa35fe MH |
827 | } |
828 | ||
829 | usb_free_urb(urb); | |
830 | ||
831 | return err; | |
832 | } | |
833 | ||
5e23b923 | 834 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
835 | { |
836 | struct sk_buff *skb = urb->context; | |
89e7533d | 837 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 838 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 839 | |
89e7533d MH |
840 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
841 | urb->actual_length); | |
7bee549e ON |
842 | |
843 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
844 | goto done; | |
845 | ||
846 | if (!urb->status) | |
847 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
848 | else | |
849 | hdev->stat.err_tx++; | |
850 | ||
851 | done: | |
852 | spin_lock(&data->txlock); | |
853 | data->tx_in_flight--; | |
854 | spin_unlock(&data->txlock); | |
855 | ||
856 | kfree(urb->setup_packet); | |
857 | ||
858 | kfree_skb(skb); | |
859 | } | |
860 | ||
861 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
862 | { |
863 | struct sk_buff *skb = urb->context; | |
89e7533d | 864 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 865 | |
89e7533d MH |
866 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
867 | urb->actual_length); | |
5e23b923 MH |
868 | |
869 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
870 | goto done; | |
871 | ||
872 | if (!urb->status) | |
873 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
874 | else | |
875 | hdev->stat.err_tx++; | |
876 | ||
877 | done: | |
878 | kfree(urb->setup_packet); | |
879 | ||
880 | kfree_skb(skb); | |
881 | } | |
882 | ||
883 | static int btusb_open(struct hci_dev *hdev) | |
884 | { | |
155961e8 | 885 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
886 | int err; |
887 | ||
888 | BT_DBG("%s", hdev->name); | |
889 | ||
7bee549e ON |
890 | err = usb_autopm_get_interface(data->intf); |
891 | if (err < 0) | |
892 | return err; | |
893 | ||
894 | data->intf->needs_remote_wakeup = 1; | |
895 | ||
5e23b923 | 896 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 897 | goto done; |
5e23b923 MH |
898 | |
899 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 900 | goto done; |
5e23b923 | 901 | |
2eda66f4 | 902 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
903 | if (err < 0) |
904 | goto failed; | |
905 | ||
906 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 907 | if (err < 0) { |
43c2e57f MH |
908 | usb_kill_anchored_urbs(&data->intr_anchor); |
909 | goto failed; | |
5e23b923 MH |
910 | } |
911 | ||
43c2e57f MH |
912 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
913 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
914 | ||
7bee549e ON |
915 | done: |
916 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
917 | return 0; |
918 | ||
919 | failed: | |
920 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
921 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 922 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
923 | return err; |
924 | } | |
925 | ||
7bee549e ON |
926 | static void btusb_stop_traffic(struct btusb_data *data) |
927 | { | |
928 | usb_kill_anchored_urbs(&data->intr_anchor); | |
929 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
930 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
931 | } | |
932 | ||
5e23b923 MH |
933 | static int btusb_close(struct hci_dev *hdev) |
934 | { | |
155961e8 | 935 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 936 | int err; |
5e23b923 MH |
937 | |
938 | BT_DBG("%s", hdev->name); | |
939 | ||
940 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
941 | return 0; | |
942 | ||
e8c3c3d2 | 943 | cancel_work_sync(&data->work); |
404291ac | 944 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 945 | |
9bfa35fe | 946 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 947 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 948 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
949 | |
950 | btusb_stop_traffic(data); | |
803b5836 MH |
951 | btusb_free_frags(data); |
952 | ||
7bee549e ON |
953 | err = usb_autopm_get_interface(data->intf); |
954 | if (err < 0) | |
7b8e2c1d | 955 | goto failed; |
7bee549e ON |
956 | |
957 | data->intf->needs_remote_wakeup = 0; | |
958 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 959 | |
7b8e2c1d ON |
960 | failed: |
961 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
962 | return 0; |
963 | } | |
964 | ||
965 | static int btusb_flush(struct hci_dev *hdev) | |
966 | { | |
155961e8 | 967 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
968 | |
969 | BT_DBG("%s", hdev->name); | |
970 | ||
971 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 972 | btusb_free_frags(data); |
5e23b923 MH |
973 | |
974 | return 0; | |
975 | } | |
976 | ||
047b2ec8 | 977 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 978 | { |
155961e8 | 979 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
980 | struct usb_ctrlrequest *dr; |
981 | struct urb *urb; | |
982 | unsigned int pipe; | |
5e23b923 | 983 | |
047b2ec8 MH |
984 | urb = usb_alloc_urb(0, GFP_KERNEL); |
985 | if (!urb) | |
986 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 987 | |
047b2ec8 MH |
988 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
989 | if (!dr) { | |
990 | usb_free_urb(urb); | |
991 | return ERR_PTR(-ENOMEM); | |
992 | } | |
5e23b923 | 993 | |
047b2ec8 | 994 | dr->bRequestType = data->cmdreq_type; |
893ba544 | 995 | dr->bRequest = data->cmdreq; |
047b2ec8 MH |
996 | dr->wIndex = 0; |
997 | dr->wValue = 0; | |
998 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 999 | |
047b2ec8 | 1000 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 1001 | |
89e7533d | 1002 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 1003 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 1004 | |
89e7533d | 1005 | skb->dev = (void *)hdev; |
5e23b923 | 1006 | |
047b2ec8 MH |
1007 | return urb; |
1008 | } | |
5e23b923 | 1009 | |
047b2ec8 MH |
1010 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1011 | { | |
1012 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1013 | struct urb *urb; | |
1014 | unsigned int pipe; | |
5e23b923 | 1015 | |
047b2ec8 MH |
1016 | if (!data->bulk_tx_ep) |
1017 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1018 | |
047b2ec8 MH |
1019 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1020 | if (!urb) | |
1021 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1022 | |
047b2ec8 | 1023 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 1024 | |
047b2ec8 MH |
1025 | usb_fill_bulk_urb(urb, data->udev, pipe, |
1026 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 1027 | |
89e7533d | 1028 | skb->dev = (void *)hdev; |
5e23b923 | 1029 | |
047b2ec8 MH |
1030 | return urb; |
1031 | } | |
9bfa35fe | 1032 | |
047b2ec8 MH |
1033 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1034 | { | |
1035 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1036 | struct urb *urb; | |
1037 | unsigned int pipe; | |
9bfa35fe | 1038 | |
047b2ec8 MH |
1039 | if (!data->isoc_tx_ep) |
1040 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1041 | |
047b2ec8 MH |
1042 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1043 | if (!urb) | |
1044 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1045 | |
047b2ec8 | 1046 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1047 | |
047b2ec8 MH |
1048 | usb_fill_int_urb(urb, data->udev, pipe, |
1049 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1050 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1051 | |
047b2ec8 | 1052 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1053 | |
047b2ec8 MH |
1054 | __fill_isoc_descriptor(urb, skb->len, |
1055 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1056 | |
89e7533d | 1057 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1058 | |
1059 | return urb; | |
1060 | } | |
1061 | ||
1062 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1063 | { | |
1064 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1065 | int err; | |
7bee549e | 1066 | |
5e23b923 MH |
1067 | usb_anchor_urb(urb, &data->tx_anchor); |
1068 | ||
e9753eff | 1069 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1070 | if (err < 0) { |
5a9b80e2 PB |
1071 | if (err != -EPERM && err != -ENODEV) |
1072 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 1073 | hdev->name, urb, -err); |
5e23b923 MH |
1074 | kfree(urb->setup_packet); |
1075 | usb_unanchor_urb(urb); | |
7bee549e ON |
1076 | } else { |
1077 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1078 | } |
1079 | ||
54a8a79c | 1080 | usb_free_urb(urb); |
5e23b923 MH |
1081 | return err; |
1082 | } | |
1083 | ||
047b2ec8 MH |
1084 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1085 | { | |
1086 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1087 | unsigned long flags; | |
1088 | bool suspending; | |
1089 | ||
1090 | spin_lock_irqsave(&data->txlock, flags); | |
1091 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1092 | if (!suspending) | |
1093 | data->tx_in_flight++; | |
1094 | spin_unlock_irqrestore(&data->txlock, flags); | |
1095 | ||
1096 | if (!suspending) | |
1097 | return submit_tx_urb(hdev, urb); | |
1098 | ||
1099 | usb_anchor_urb(urb, &data->deferred); | |
1100 | schedule_work(&data->waker); | |
1101 | ||
1102 | usb_free_urb(urb); | |
1103 | return 0; | |
1104 | } | |
1105 | ||
1106 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1107 | { | |
1108 | struct urb *urb; | |
1109 | ||
1110 | BT_DBG("%s", hdev->name); | |
1111 | ||
1112 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1113 | return -EBUSY; | |
1114 | ||
1115 | switch (bt_cb(skb)->pkt_type) { | |
1116 | case HCI_COMMAND_PKT: | |
1117 | urb = alloc_ctrl_urb(hdev, skb); | |
1118 | if (IS_ERR(urb)) | |
1119 | return PTR_ERR(urb); | |
1120 | ||
1121 | hdev->stat.cmd_tx++; | |
1122 | return submit_or_queue_tx_urb(hdev, urb); | |
1123 | ||
1124 | case HCI_ACLDATA_PKT: | |
1125 | urb = alloc_bulk_urb(hdev, skb); | |
1126 | if (IS_ERR(urb)) | |
1127 | return PTR_ERR(urb); | |
1128 | ||
1129 | hdev->stat.acl_tx++; | |
1130 | return submit_or_queue_tx_urb(hdev, urb); | |
1131 | ||
1132 | case HCI_SCODATA_PKT: | |
1133 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1134 | return -ENODEV; | |
1135 | ||
1136 | urb = alloc_isoc_urb(hdev, skb); | |
1137 | if (IS_ERR(urb)) | |
1138 | return PTR_ERR(urb); | |
1139 | ||
1140 | hdev->stat.sco_tx++; | |
1141 | return submit_tx_urb(hdev, urb); | |
1142 | } | |
1143 | ||
1144 | return -EILSEQ; | |
1145 | } | |
1146 | ||
5e23b923 MH |
1147 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1148 | { | |
155961e8 | 1149 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1150 | |
1151 | BT_DBG("%s evt %d", hdev->name, evt); | |
1152 | ||
014f7bc7 MH |
1153 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1154 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1155 | schedule_work(&data->work); |
a780efa8 | 1156 | } |
5e23b923 MH |
1157 | } |
1158 | ||
42b16b3f | 1159 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1160 | { |
155961e8 | 1161 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1162 | struct usb_interface *intf = data->isoc; |
1163 | struct usb_endpoint_descriptor *ep_desc; | |
1164 | int i, err; | |
1165 | ||
1166 | if (!data->isoc) | |
1167 | return -ENODEV; | |
1168 | ||
1169 | err = usb_set_interface(data->udev, 1, altsetting); | |
1170 | if (err < 0) { | |
1171 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
1172 | return err; | |
1173 | } | |
1174 | ||
1175 | data->isoc_altsetting = altsetting; | |
1176 | ||
1177 | data->isoc_tx_ep = NULL; | |
1178 | data->isoc_rx_ep = NULL; | |
1179 | ||
1180 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1181 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1182 | ||
1183 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1184 | data->isoc_tx_ep = ep_desc; | |
1185 | continue; | |
1186 | } | |
1187 | ||
1188 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1189 | data->isoc_rx_ep = ep_desc; | |
1190 | continue; | |
1191 | } | |
1192 | } | |
1193 | ||
1194 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
1195 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
1196 | return -ENODEV; | |
1197 | } | |
1198 | ||
1199 | return 0; | |
1200 | } | |
1201 | ||
5e23b923 MH |
1202 | static void btusb_work(struct work_struct *work) |
1203 | { | |
1204 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1205 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1206 | int new_alts; |
7bee549e | 1207 | int err; |
5e23b923 | 1208 | |
014f7bc7 | 1209 | if (data->sco_num > 0) { |
08b8b6c4 | 1210 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1211 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1212 | if (err < 0) { |
1213 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1214 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1215 | return; | |
1216 | } | |
1217 | ||
08b8b6c4 | 1218 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1219 | } |
f4001d28 MA |
1220 | |
1221 | if (hdev->voice_setting & 0x0020) { | |
1222 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1223 | |
014f7bc7 | 1224 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1225 | } else { |
014f7bc7 | 1226 | new_alts = data->sco_num; |
f4001d28 MA |
1227 | } |
1228 | ||
1229 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
1230 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1231 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1232 | ||
f4001d28 | 1233 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1234 | return; |
1235 | } | |
1236 | ||
1237 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1238 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1239 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1240 | else | |
2eda66f4 | 1241 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1242 | } |
1243 | } else { | |
1244 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1245 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1246 | ||
1247 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1248 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1249 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1250 | } |
1251 | } | |
1252 | ||
7bee549e ON |
1253 | static void btusb_waker(struct work_struct *work) |
1254 | { | |
1255 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1256 | int err; | |
1257 | ||
1258 | err = usb_autopm_get_interface(data->intf); | |
1259 | if (err < 0) | |
1260 | return; | |
1261 | ||
1262 | usb_autopm_put_interface(data->intf); | |
1263 | } | |
1264 | ||
9f8f962c MH |
1265 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1266 | { | |
1267 | struct sk_buff *skb; | |
1268 | u8 val = 0x00; | |
1269 | ||
1270 | BT_DBG("%s", hdev->name); | |
1271 | ||
1272 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1273 | if (IS_ERR(skb)) | |
1274 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
1275 | else | |
1276 | kfree_skb(skb); | |
1277 | ||
1278 | return 0; | |
1279 | } | |
1280 | ||
81cac64b MH |
1281 | static int btusb_setup_csr(struct hci_dev *hdev) |
1282 | { | |
1283 | struct hci_rp_read_local_version *rp; | |
1284 | struct sk_buff *skb; | |
1285 | int ret; | |
1286 | ||
1287 | BT_DBG("%s", hdev->name); | |
1288 | ||
1289 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1290 | HCI_INIT_TIMEOUT); | |
1291 | if (IS_ERR(skb)) { | |
1292 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); | |
1293 | return -PTR_ERR(skb); | |
1294 | } | |
1295 | ||
89e7533d | 1296 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b MH |
1297 | |
1298 | if (!rp->status) { | |
1299 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
1300 | /* Clear the reset quirk since this is not an actual | |
1301 | * early Bluetooth 1.1 device from CSR. | |
1302 | */ | |
1303 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
1304 | ||
1305 | /* These fake CSR controllers have all a broken | |
1306 | * stored link key handling and so just disable it. | |
1307 | */ | |
1308 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
1309 | &hdev->quirks); | |
1310 | } | |
1311 | } | |
1312 | ||
1313 | ret = -bt_to_errno(rp->status); | |
1314 | ||
1315 | kfree_skb(skb); | |
1316 | ||
1317 | return ret; | |
1318 | } | |
1319 | ||
dffd30ee THJA |
1320 | struct intel_version { |
1321 | u8 status; | |
1322 | u8 hw_platform; | |
1323 | u8 hw_variant; | |
1324 | u8 hw_revision; | |
1325 | u8 fw_variant; | |
1326 | u8 fw_revision; | |
1327 | u8 fw_build_num; | |
1328 | u8 fw_build_ww; | |
1329 | u8 fw_build_yy; | |
1330 | u8 fw_patch_num; | |
1331 | } __packed; | |
1332 | ||
cda0dd78 MH |
1333 | struct intel_boot_params { |
1334 | __u8 status; | |
1335 | __u8 otp_format; | |
1336 | __u8 otp_content; | |
1337 | __u8 otp_patch; | |
1338 | __le16 dev_revid; | |
1339 | __u8 secure_boot; | |
1340 | __u8 key_from_hdr; | |
1341 | __u8 key_type; | |
1342 | __u8 otp_lock; | |
1343 | __u8 api_lock; | |
1344 | __u8 debug_lock; | |
1345 | bdaddr_t otp_bdaddr; | |
1346 | __u8 min_fw_build_nn; | |
1347 | __u8 min_fw_build_cw; | |
1348 | __u8 min_fw_build_yy; | |
1349 | __u8 limited_cce; | |
1350 | __u8 unlocked_state; | |
1351 | } __packed; | |
1352 | ||
dffd30ee | 1353 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
89e7533d | 1354 | struct intel_version *ver) |
dffd30ee THJA |
1355 | { |
1356 | const struct firmware *fw; | |
1357 | char fwname[64]; | |
1358 | int ret; | |
1359 | ||
1360 | snprintf(fwname, sizeof(fwname), | |
1361 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1362 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1363 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1364 | ver->fw_build_ww, ver->fw_build_yy); | |
1365 | ||
1366 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1367 | if (ret < 0) { | |
1368 | if (ret == -EINVAL) { | |
1369 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1370 | hdev->name, ret); | |
1371 | return NULL; | |
1372 | } | |
1373 | ||
1374 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1375 | hdev->name, fwname, ret); | |
1376 | ||
1377 | /* If the correct firmware patch file is not found, use the | |
1378 | * default firmware patch file instead | |
1379 | */ | |
1380 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1381 | ver->hw_platform, ver->hw_variant); | |
1382 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1383 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1384 | hdev->name, fwname); | |
1385 | return NULL; | |
1386 | } | |
1387 | } | |
1388 | ||
1389 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1390 | ||
1391 | return fw; | |
1392 | } | |
1393 | ||
1394 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1395 | const struct firmware *fw, | |
1396 | const u8 **fw_ptr, int *disable_patch) | |
1397 | { | |
1398 | struct sk_buff *skb; | |
1399 | struct hci_command_hdr *cmd; | |
1400 | const u8 *cmd_param; | |
1401 | struct hci_event_hdr *evt = NULL; | |
1402 | const u8 *evt_param = NULL; | |
1403 | int remain = fw->size - (*fw_ptr - fw->data); | |
1404 | ||
1405 | /* The first byte indicates the types of the patch command or event. | |
1406 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1407 | * in the current firmware buffer doesn't start with 0x01 or | |
1408 | * the size of remain buffer is smaller than HCI command header, | |
1409 | * the firmware file is corrupted and it should stop the patching | |
1410 | * process. | |
1411 | */ | |
1412 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1413 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1414 | return -EINVAL; | |
1415 | } | |
1416 | (*fw_ptr)++; | |
1417 | remain--; | |
1418 | ||
1419 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1420 | *fw_ptr += sizeof(*cmd); | |
1421 | remain -= sizeof(*cmd); | |
1422 | ||
1423 | /* Ensure that the remain firmware data is long enough than the length | |
1424 | * of command parameter. If not, the firmware file is corrupted. | |
1425 | */ | |
1426 | if (remain < cmd->plen) { | |
1427 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1428 | return -EFAULT; | |
1429 | } | |
1430 | ||
1431 | /* If there is a command that loads a patch in the firmware | |
1432 | * file, then enable the patch upon success, otherwise just | |
1433 | * disable the manufacturer mode, for example patch activation | |
1434 | * is not required when the default firmware patch file is used | |
1435 | * because there are no patch data to load. | |
1436 | */ | |
1437 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1438 | *disable_patch = 0; | |
1439 | ||
1440 | cmd_param = *fw_ptr; | |
1441 | *fw_ptr += cmd->plen; | |
1442 | remain -= cmd->plen; | |
1443 | ||
1444 | /* This reads the expected events when the above command is sent to the | |
1445 | * device. Some vendor commands expects more than one events, for | |
1446 | * example command status event followed by vendor specific event. | |
1447 | * For this case, it only keeps the last expected event. so the command | |
1448 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1449 | * last expected event. | |
1450 | */ | |
1451 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1452 | (*fw_ptr)++; | |
1453 | remain--; | |
1454 | ||
1455 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1456 | *fw_ptr += sizeof(*evt); | |
1457 | remain -= sizeof(*evt); | |
1458 | ||
1459 | if (remain < evt->plen) { | |
1460 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1461 | hdev->name); | |
1462 | return -EFAULT; | |
1463 | } | |
1464 | ||
1465 | evt_param = *fw_ptr; | |
1466 | *fw_ptr += evt->plen; | |
1467 | remain -= evt->plen; | |
1468 | } | |
1469 | ||
1470 | /* Every HCI commands in the firmware file has its correspond event. | |
1471 | * If event is not found or remain is smaller than zero, the firmware | |
1472 | * file is corrupted. | |
1473 | */ | |
1474 | if (!evt || !evt_param || remain < 0) { | |
1475 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1476 | return -EFAULT; | |
1477 | } | |
1478 | ||
1479 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1480 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1481 | if (IS_ERR(skb)) { | |
1482 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1483 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1484 | return PTR_ERR(skb); |
dffd30ee THJA |
1485 | } |
1486 | ||
1487 | /* It ensures that the returned event matches the event data read from | |
1488 | * the firmware file. At fist, it checks the length and then | |
1489 | * the contents of the event. | |
1490 | */ | |
1491 | if (skb->len != evt->plen) { | |
1492 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1493 | le16_to_cpu(cmd->opcode)); | |
1494 | kfree_skb(skb); | |
1495 | return -EFAULT; | |
1496 | } | |
1497 | ||
1498 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1499 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1500 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1501 | kfree_skb(skb); | |
1502 | return -EFAULT; | |
1503 | } | |
1504 | kfree_skb(skb); | |
1505 | ||
1506 | return 0; | |
1507 | } | |
1508 | ||
40cb0984 MH |
1509 | #define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}}) |
1510 | ||
1511 | static int btusb_check_bdaddr_intel(struct hci_dev *hdev) | |
1512 | { | |
1513 | struct sk_buff *skb; | |
1514 | struct hci_rp_read_bd_addr *rp; | |
1515 | ||
1516 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1517 | HCI_INIT_TIMEOUT); | |
1518 | if (IS_ERR(skb)) { | |
1519 | BT_ERR("%s reading Intel device address failed (%ld)", | |
1520 | hdev->name, PTR_ERR(skb)); | |
1521 | return PTR_ERR(skb); | |
1522 | } | |
1523 | ||
1524 | if (skb->len != sizeof(*rp)) { | |
1525 | BT_ERR("%s Intel device address length mismatch", hdev->name); | |
1526 | kfree_skb(skb); | |
1527 | return -EIO; | |
1528 | } | |
1529 | ||
89e7533d | 1530 | rp = (struct hci_rp_read_bd_addr *)skb->data; |
40cb0984 MH |
1531 | if (rp->status) { |
1532 | BT_ERR("%s Intel device address result failed (%02x)", | |
1533 | hdev->name, rp->status); | |
1534 | kfree_skb(skb); | |
1535 | return -bt_to_errno(rp->status); | |
1536 | } | |
1537 | ||
1538 | /* For some Intel based controllers, the default Bluetooth device | |
1539 | * address 00:03:19:9E:8B:00 can be found. These controllers are | |
1540 | * fully operational, but have the danger of duplicate addresses | |
1541 | * and that in turn can cause problems with Bluetooth operation. | |
1542 | */ | |
4739b5b1 | 1543 | if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) { |
40cb0984 MH |
1544 | BT_ERR("%s found Intel default device address (%pMR)", |
1545 | hdev->name, &rp->bdaddr); | |
4739b5b1 MH |
1546 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1547 | } | |
40cb0984 MH |
1548 | |
1549 | kfree_skb(skb); | |
1550 | ||
1551 | return 0; | |
1552 | } | |
1553 | ||
dffd30ee THJA |
1554 | static int btusb_setup_intel(struct hci_dev *hdev) |
1555 | { | |
1556 | struct sk_buff *skb; | |
1557 | const struct firmware *fw; | |
1558 | const u8 *fw_ptr; | |
1559 | int disable_patch; | |
1560 | struct intel_version *ver; | |
1561 | ||
1562 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1563 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1564 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1565 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1566 | ||
1567 | BT_DBG("%s", hdev->name); | |
1568 | ||
1569 | /* The controller has a bug with the first HCI command sent to it | |
1570 | * returning number of completed commands as zero. This would stall the | |
1571 | * command processing in the Bluetooth core. | |
1572 | * | |
1573 | * As a workaround, send HCI Reset command first which will reset the | |
1574 | * number of completed commands and allow normal command processing | |
1575 | * from now on. | |
1576 | */ | |
1577 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1578 | if (IS_ERR(skb)) { | |
1579 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1580 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1581 | return PTR_ERR(skb); |
dffd30ee THJA |
1582 | } |
1583 | kfree_skb(skb); | |
1584 | ||
1585 | /* Read Intel specific controller version first to allow selection of | |
1586 | * which firmware file to load. | |
1587 | * | |
1588 | * The returned information are hardware variant and revision plus | |
1589 | * firmware variant, revision and build number. | |
1590 | */ | |
1591 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1592 | if (IS_ERR(skb)) { | |
1593 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1594 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1595 | return PTR_ERR(skb); |
dffd30ee THJA |
1596 | } |
1597 | ||
1598 | if (skb->len != sizeof(*ver)) { | |
1599 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1600 | kfree_skb(skb); | |
1601 | return -EIO; | |
1602 | } | |
1603 | ||
1604 | ver = (struct intel_version *)skb->data; | |
1605 | if (ver->status) { | |
1606 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1607 | ver->status); | |
1608 | kfree_skb(skb); | |
1609 | return -bt_to_errno(ver->status); | |
1610 | } | |
1611 | ||
1612 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1613 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1614 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1615 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1616 | ver->fw_patch_num); | |
1617 | ||
1618 | /* fw_patch_num indicates the version of patch the device currently | |
1619 | * have. If there is no patch data in the device, it is always 0x00. | |
1620 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1621 | */ | |
1622 | if (ver->fw_patch_num) { | |
1623 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1624 | hdev->name, ver->fw_patch_num); | |
1625 | kfree_skb(skb); | |
40cb0984 | 1626 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1627 | return 0; |
1628 | } | |
1629 | ||
1630 | /* Opens the firmware patch file based on the firmware version read | |
1631 | * from the controller. If it fails to open the matching firmware | |
1632 | * patch file, it tries to open the default firmware patch file. | |
1633 | * If no patch file is found, allow the device to operate without | |
1634 | * a patch. | |
1635 | */ | |
1636 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1637 | if (!fw) { | |
1638 | kfree_skb(skb); | |
40cb0984 | 1639 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1640 | return 0; |
1641 | } | |
1642 | fw_ptr = fw->data; | |
1643 | ||
1644 | /* This Intel specific command enables the manufacturer mode of the | |
1645 | * controller. | |
1646 | * | |
1647 | * Only while this mode is enabled, the driver can download the | |
1648 | * firmware patch data and configuration parameters. | |
1649 | */ | |
1650 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1651 | if (IS_ERR(skb)) { | |
1652 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1653 | hdev->name, PTR_ERR(skb)); | |
1654 | release_firmware(fw); | |
d9c78e97 | 1655 | return PTR_ERR(skb); |
dffd30ee THJA |
1656 | } |
1657 | ||
1658 | if (skb->data[0]) { | |
1659 | u8 evt_status = skb->data[0]; | |
89e7533d | 1660 | |
dffd30ee THJA |
1661 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", |
1662 | hdev->name, evt_status); | |
1663 | kfree_skb(skb); | |
1664 | release_firmware(fw); | |
1665 | return -bt_to_errno(evt_status); | |
1666 | } | |
1667 | kfree_skb(skb); | |
1668 | ||
1669 | disable_patch = 1; | |
1670 | ||
1671 | /* The firmware data file consists of list of Intel specific HCI | |
1672 | * commands and its expected events. The first byte indicates the | |
1673 | * type of the message, either HCI command or HCI event. | |
1674 | * | |
1675 | * It reads the command and its expected event from the firmware file, | |
1676 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1677 | * the returned event is compared with the event read from the firmware | |
1678 | * file and it will continue until all the messages are downloaded to | |
1679 | * the controller. | |
1680 | * | |
1681 | * Once the firmware patching is completed successfully, | |
1682 | * the manufacturer mode is disabled with reset and activating the | |
1683 | * downloaded patch. | |
1684 | * | |
1685 | * If the firmware patching fails, the manufacturer mode is | |
1686 | * disabled with reset and deactivating the patch. | |
1687 | * | |
1688 | * If the default patch file is used, no reset is done when disabling | |
1689 | * the manufacturer. | |
1690 | */ | |
1691 | while (fw->size > fw_ptr - fw->data) { | |
1692 | int ret; | |
1693 | ||
1694 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1695 | &disable_patch); | |
1696 | if (ret < 0) | |
1697 | goto exit_mfg_deactivate; | |
1698 | } | |
1699 | ||
1700 | release_firmware(fw); | |
1701 | ||
1702 | if (disable_patch) | |
1703 | goto exit_mfg_disable; | |
1704 | ||
1705 | /* Patching completed successfully and disable the manufacturer mode | |
1706 | * with reset and activate the downloaded firmware patches. | |
1707 | */ | |
1708 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1709 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1710 | if (IS_ERR(skb)) { | |
1711 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1712 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1713 | return PTR_ERR(skb); |
dffd30ee THJA |
1714 | } |
1715 | kfree_skb(skb); | |
1716 | ||
1717 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1718 | hdev->name); | |
1719 | ||
40cb0984 | 1720 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1721 | return 0; |
1722 | ||
1723 | exit_mfg_disable: | |
1724 | /* Disable the manufacturer mode without reset */ | |
1725 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1726 | HCI_INIT_TIMEOUT); | |
1727 | if (IS_ERR(skb)) { | |
1728 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1729 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1730 | return PTR_ERR(skb); |
dffd30ee THJA |
1731 | } |
1732 | kfree_skb(skb); | |
1733 | ||
1734 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 MH |
1735 | |
1736 | btusb_check_bdaddr_intel(hdev); | |
dffd30ee THJA |
1737 | return 0; |
1738 | ||
1739 | exit_mfg_deactivate: | |
1740 | release_firmware(fw); | |
1741 | ||
1742 | /* Patching failed. Disable the manufacturer mode with reset and | |
1743 | * deactivate the downloaded firmware patches. | |
1744 | */ | |
1745 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1746 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1747 | if (IS_ERR(skb)) { | |
1748 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1749 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1750 | return PTR_ERR(skb); |
dffd30ee THJA |
1751 | } |
1752 | kfree_skb(skb); | |
1753 | ||
1754 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1755 | hdev->name); | |
1756 | ||
40cb0984 | 1757 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1758 | return 0; |
1759 | } | |
1760 | ||
cda0dd78 MH |
1761 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
1762 | { | |
1763 | struct sk_buff *skb; | |
1764 | struct hci_event_hdr *hdr; | |
1765 | struct hci_ev_cmd_complete *evt; | |
1766 | ||
1767 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC); | |
1768 | if (!skb) | |
1769 | return -ENOMEM; | |
1770 | ||
1771 | hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr)); | |
1772 | hdr->evt = HCI_EV_CMD_COMPLETE; | |
1773 | hdr->plen = sizeof(*evt) + 1; | |
1774 | ||
1775 | evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt)); | |
1776 | evt->ncmd = 0x01; | |
1777 | evt->opcode = cpu_to_le16(opcode); | |
1778 | ||
1779 | *skb_put(skb, 1) = 0x00; | |
1780 | ||
1781 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
1782 | ||
1783 | return hci_recv_frame(hdev, skb); | |
1784 | } | |
1785 | ||
1786 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
1787 | int count) | |
1788 | { | |
1789 | /* When the device is in bootloader mode, then it can send | |
1790 | * events via the bulk endpoint. These events are treated the | |
1791 | * same way as the ones received from the interrupt endpoint. | |
1792 | */ | |
1793 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) | |
1794 | return btusb_recv_intr(data, buffer, count); | |
1795 | ||
1796 | return btusb_recv_bulk(data, buffer, count); | |
1797 | } | |
1798 | ||
1799 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1800 | { | |
1801 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1802 | ||
1803 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1804 | struct hci_event_hdr *hdr = (void *)skb->data; | |
1805 | ||
1806 | /* When the firmware loading completes the device sends | |
1807 | * out a vendor specific event indicating the result of | |
1808 | * the firmware loading. | |
1809 | */ | |
1810 | if (skb->len == 7 && hdr->evt == 0xff && hdr->plen == 0x05 && | |
1811 | skb->data[2] == 0x06) { | |
1812 | if (skb->data[3] != 0x00) | |
1813 | test_bit(BTUSB_FIRMWARE_FAILED, &data->flags); | |
1814 | ||
ce6bb929 MH |
1815 | if (test_and_clear_bit(BTUSB_DOWNLOADING, |
1816 | &data->flags) && | |
a087a98e JH |
1817 | test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) { |
1818 | smp_mb__after_atomic(); | |
1819 | wake_up_bit(&data->flags, BTUSB_DOWNLOADING); | |
1820 | } | |
cda0dd78 MH |
1821 | } |
1822 | ||
1823 | /* When switching to the operational firmware the device | |
1824 | * sends a vendor specific event indicating that the bootup | |
1825 | * completed. | |
1826 | */ | |
1827 | if (skb->len == 9 && hdr->evt == 0xff && hdr->plen == 0x07 && | |
1828 | skb->data[2] == 0x02) { | |
fad70972 JH |
1829 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) { |
1830 | smp_mb__after_atomic(); | |
1831 | wake_up_bit(&data->flags, BTUSB_BOOTING); | |
1832 | } | |
cda0dd78 MH |
1833 | } |
1834 | } | |
1835 | ||
1836 | return hci_recv_frame(hdev, skb); | |
1837 | } | |
1838 | ||
1839 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1840 | { | |
1841 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1842 | struct urb *urb; | |
1843 | ||
1844 | BT_DBG("%s", hdev->name); | |
1845 | ||
1846 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1847 | return -EBUSY; | |
1848 | ||
1849 | switch (bt_cb(skb)->pkt_type) { | |
1850 | case HCI_COMMAND_PKT: | |
1851 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1852 | struct hci_command_hdr *cmd = (void *)skb->data; | |
1853 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
1854 | ||
1855 | /* When in bootloader mode and the command 0xfc09 | |
1856 | * is received, it needs to be send down the | |
1857 | * bulk endpoint. So allocate a bulk URB instead. | |
1858 | */ | |
1859 | if (opcode == 0xfc09) | |
1860 | urb = alloc_bulk_urb(hdev, skb); | |
1861 | else | |
1862 | urb = alloc_ctrl_urb(hdev, skb); | |
1863 | ||
1864 | /* When the 0xfc01 command is issued to boot into | |
1865 | * the operational firmware, it will actually not | |
1866 | * send a command complete event. To keep the flow | |
1867 | * control working inject that event here. | |
1868 | */ | |
1869 | if (opcode == 0xfc01) | |
1870 | inject_cmd_complete(hdev, opcode); | |
1871 | } else { | |
1872 | urb = alloc_ctrl_urb(hdev, skb); | |
1873 | } | |
1874 | if (IS_ERR(urb)) | |
1875 | return PTR_ERR(urb); | |
1876 | ||
1877 | hdev->stat.cmd_tx++; | |
1878 | return submit_or_queue_tx_urb(hdev, urb); | |
1879 | ||
1880 | case HCI_ACLDATA_PKT: | |
1881 | urb = alloc_bulk_urb(hdev, skb); | |
1882 | if (IS_ERR(urb)) | |
1883 | return PTR_ERR(urb); | |
1884 | ||
1885 | hdev->stat.acl_tx++; | |
1886 | return submit_or_queue_tx_urb(hdev, urb); | |
1887 | ||
1888 | case HCI_SCODATA_PKT: | |
1889 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1890 | return -ENODEV; | |
1891 | ||
1892 | urb = alloc_isoc_urb(hdev, skb); | |
1893 | if (IS_ERR(urb)) | |
1894 | return PTR_ERR(urb); | |
1895 | ||
1896 | hdev->stat.sco_tx++; | |
1897 | return submit_tx_urb(hdev, urb); | |
1898 | } | |
1899 | ||
1900 | return -EILSEQ; | |
1901 | } | |
1902 | ||
1903 | static int btusb_intel_secure_send(struct hci_dev *hdev, u8 fragment_type, | |
1904 | u32 plen, const void *param) | |
1905 | { | |
1906 | while (plen > 0) { | |
1907 | struct sk_buff *skb; | |
1908 | u8 cmd_param[253], fragment_len = (plen > 252) ? 252 : plen; | |
1909 | ||
1910 | cmd_param[0] = fragment_type; | |
1911 | memcpy(cmd_param + 1, param, fragment_len); | |
1912 | ||
1913 | skb = __hci_cmd_sync(hdev, 0xfc09, fragment_len + 1, | |
1914 | cmd_param, HCI_INIT_TIMEOUT); | |
1915 | if (IS_ERR(skb)) | |
1916 | return PTR_ERR(skb); | |
1917 | ||
1918 | kfree_skb(skb); | |
1919 | ||
1920 | plen -= fragment_len; | |
1921 | param += fragment_len; | |
1922 | } | |
1923 | ||
1924 | return 0; | |
1925 | } | |
1926 | ||
1927 | static void btusb_intel_version_info(struct hci_dev *hdev, | |
1928 | struct intel_version *ver) | |
1929 | { | |
1930 | const char *variant; | |
1931 | ||
1932 | switch (ver->fw_variant) { | |
1933 | case 0x06: | |
1934 | variant = "Bootloader"; | |
1935 | break; | |
1936 | case 0x23: | |
1937 | variant = "Firmware"; | |
1938 | break; | |
1939 | default: | |
1940 | return; | |
1941 | } | |
1942 | ||
1943 | BT_INFO("%s: %s revision %u.%u build %u week %u %u", hdev->name, | |
1944 | variant, ver->fw_revision >> 4, ver->fw_revision & 0x0f, | |
1945 | ver->fw_build_num, ver->fw_build_ww, 2000 + ver->fw_build_yy); | |
1946 | } | |
1947 | ||
1948 | static int btusb_setup_intel_new(struct hci_dev *hdev) | |
1949 | { | |
1950 | static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01, | |
1951 | 0x00, 0x08, 0x04, 0x00 }; | |
1952 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1953 | struct sk_buff *skb; | |
1954 | struct intel_version *ver; | |
1955 | struct intel_boot_params *params; | |
1956 | const struct firmware *fw; | |
1957 | const u8 *fw_ptr; | |
1958 | char fwname[64]; | |
1959 | ktime_t calltime, delta, rettime; | |
1960 | unsigned long long duration; | |
1961 | int err; | |
1962 | ||
1963 | BT_DBG("%s", hdev->name); | |
1964 | ||
1965 | calltime = ktime_get(); | |
1966 | ||
1967 | /* Read the Intel version information to determine if the device | |
1968 | * is in bootloader mode or if it already has operational firmware | |
1969 | * loaded. | |
1970 | */ | |
1971 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1972 | if (IS_ERR(skb)) { | |
1973 | BT_ERR("%s: Reading Intel version information failed (%ld)", | |
1974 | hdev->name, PTR_ERR(skb)); | |
1975 | return PTR_ERR(skb); | |
1976 | } | |
1977 | ||
1978 | if (skb->len != sizeof(*ver)) { | |
1979 | BT_ERR("%s: Intel version event size mismatch", hdev->name); | |
1980 | kfree_skb(skb); | |
1981 | return -EILSEQ; | |
1982 | } | |
1983 | ||
1984 | ver = (struct intel_version *)skb->data; | |
1985 | if (ver->status) { | |
1986 | BT_ERR("%s: Intel version command failure (%02x)", | |
1987 | hdev->name, ver->status); | |
1988 | err = -bt_to_errno(ver->status); | |
1989 | kfree_skb(skb); | |
1990 | return err; | |
1991 | } | |
1992 | ||
1993 | /* The hardware platform number has a fixed value of 0x37 and | |
1994 | * for now only accept this single value. | |
1995 | */ | |
1996 | if (ver->hw_platform != 0x37) { | |
1997 | BT_ERR("%s: Unsupported Intel hardware platform (%u)", | |
1998 | hdev->name, ver->hw_platform); | |
1999 | kfree_skb(skb); | |
2000 | return -EINVAL; | |
2001 | } | |
2002 | ||
2003 | /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is | |
2004 | * supported by this firmware loading method. This check has been | |
2005 | * put in place to ensure correct forward compatibility options | |
2006 | * when newer hardware variants come along. | |
2007 | */ | |
2008 | if (ver->hw_variant != 0x0b) { | |
2009 | BT_ERR("%s: Unsupported Intel hardware variant (%u)", | |
2010 | hdev->name, ver->hw_variant); | |
2011 | kfree_skb(skb); | |
2012 | return -EINVAL; | |
2013 | } | |
2014 | ||
2015 | btusb_intel_version_info(hdev, ver); | |
2016 | ||
2017 | /* The firmware variant determines if the device is in bootloader | |
2018 | * mode or is running operational firmware. The value 0x06 identifies | |
2019 | * the bootloader and the value 0x23 identifies the operational | |
2020 | * firmware. | |
2021 | * | |
2022 | * When the operational firmware is already present, then only | |
2023 | * the check for valid Bluetooth device address is needed. This | |
2024 | * determines if the device will be added as configured or | |
2025 | * unconfigured controller. | |
2026 | * | |
2027 | * It is not possible to use the Secure Boot Parameters in this | |
2028 | * case since that command is only available in bootloader mode. | |
2029 | */ | |
2030 | if (ver->fw_variant == 0x23) { | |
2031 | kfree_skb(skb); | |
2032 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2033 | btusb_check_bdaddr_intel(hdev); | |
2034 | return 0; | |
2035 | } | |
2036 | ||
2037 | /* If the device is not in bootloader mode, then the only possible | |
2038 | * choice is to return an error and abort the device initialization. | |
2039 | */ | |
2040 | if (ver->fw_variant != 0x06) { | |
2041 | BT_ERR("%s: Unsupported Intel firmware variant (%u)", | |
2042 | hdev->name, ver->fw_variant); | |
2043 | kfree_skb(skb); | |
2044 | return -ENODEV; | |
2045 | } | |
2046 | ||
2047 | kfree_skb(skb); | |
2048 | ||
2049 | /* Read the secure boot parameters to identify the operating | |
2050 | * details of the bootloader. | |
2051 | */ | |
2052 | skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT); | |
2053 | if (IS_ERR(skb)) { | |
2054 | BT_ERR("%s: Reading Intel boot parameters failed (%ld)", | |
2055 | hdev->name, PTR_ERR(skb)); | |
2056 | return PTR_ERR(skb); | |
2057 | } | |
2058 | ||
2059 | if (skb->len != sizeof(*params)) { | |
2060 | BT_ERR("%s: Intel boot parameters size mismatch", hdev->name); | |
2061 | kfree_skb(skb); | |
2062 | return -EILSEQ; | |
2063 | } | |
2064 | ||
2065 | params = (struct intel_boot_params *)skb->data; | |
2066 | if (params->status) { | |
2067 | BT_ERR("%s: Intel boot parameters command failure (%02x)", | |
2068 | hdev->name, params->status); | |
2069 | err = -bt_to_errno(params->status); | |
2070 | kfree_skb(skb); | |
2071 | return err; | |
2072 | } | |
2073 | ||
2074 | BT_INFO("%s: Device revision is %u", hdev->name, | |
2075 | le16_to_cpu(params->dev_revid)); | |
2076 | ||
2077 | BT_INFO("%s: Secure boot is %s", hdev->name, | |
2078 | params->secure_boot ? "enabled" : "disabled"); | |
2079 | ||
2080 | BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name, | |
2081 | params->min_fw_build_nn, params->min_fw_build_cw, | |
2082 | 2000 + params->min_fw_build_yy); | |
2083 | ||
2084 | /* It is required that every single firmware fragment is acknowledged | |
2085 | * with a command complete event. If the boot parameters indicate | |
2086 | * that this bootloader does not send them, then abort the setup. | |
2087 | */ | |
2088 | if (params->limited_cce != 0x00) { | |
2089 | BT_ERR("%s: Unsupported Intel firmware loading method (%u)", | |
2090 | hdev->name, params->limited_cce); | |
2091 | kfree_skb(skb); | |
2092 | return -EINVAL; | |
2093 | } | |
2094 | ||
2095 | /* If the OTP has no valid Bluetooth device address, then there will | |
2096 | * also be no valid address for the operational firmware. | |
2097 | */ | |
2098 | if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) { | |
2099 | BT_INFO("%s: No device address configured", hdev->name); | |
2100 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); | |
2101 | } | |
2102 | ||
2103 | /* With this Intel bootloader only the hardware variant and device | |
2104 | * revision information are used to select the right firmware. | |
2105 | * | |
2106 | * Currently this bootloader support is limited to hardware variant | |
2107 | * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b). | |
2108 | */ | |
2109 | snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi", | |
2110 | le16_to_cpu(params->dev_revid)); | |
2111 | ||
2112 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2113 | if (err < 0) { | |
2114 | BT_ERR("%s: Failed to load Intel firmware file (%d)", | |
2115 | hdev->name, err); | |
2116 | kfree_skb(skb); | |
2117 | return err; | |
2118 | } | |
2119 | ||
2120 | BT_INFO("%s: Found device firmware: %s", hdev->name, fwname); | |
2121 | ||
2122 | kfree_skb(skb); | |
2123 | ||
2124 | if (fw->size < 644) { | |
2125 | BT_ERR("%s: Invalid size of firmware file (%zu)", | |
2126 | hdev->name, fw->size); | |
2127 | err = -EBADF; | |
2128 | goto done; | |
2129 | } | |
2130 | ||
2131 | set_bit(BTUSB_DOWNLOADING, &data->flags); | |
2132 | ||
2133 | /* Start the firmware download transaction with the Init fragment | |
2134 | * represented by the 128 bytes of CSS header. | |
2135 | */ | |
2136 | err = btusb_intel_secure_send(hdev, 0x00, 128, fw->data); | |
2137 | if (err < 0) { | |
2138 | BT_ERR("%s: Failed to send firmware header (%d)", | |
2139 | hdev->name, err); | |
2140 | goto done; | |
2141 | } | |
2142 | ||
2143 | /* Send the 256 bytes of public key information from the firmware | |
2144 | * as the PKey fragment. | |
2145 | */ | |
2146 | err = btusb_intel_secure_send(hdev, 0x03, 256, fw->data + 128); | |
2147 | if (err < 0) { | |
2148 | BT_ERR("%s: Failed to send firmware public key (%d)", | |
2149 | hdev->name, err); | |
2150 | goto done; | |
2151 | } | |
2152 | ||
2153 | /* Send the 256 bytes of signature information from the firmware | |
2154 | * as the Sign fragment. | |
2155 | */ | |
2156 | err = btusb_intel_secure_send(hdev, 0x02, 256, fw->data + 388); | |
2157 | if (err < 0) { | |
2158 | BT_ERR("%s: Failed to send firmware signature (%d)", | |
2159 | hdev->name, err); | |
2160 | goto done; | |
2161 | } | |
2162 | ||
2163 | fw_ptr = fw->data + 644; | |
2164 | ||
2165 | while (fw_ptr - fw->data < fw->size) { | |
2166 | struct hci_command_hdr *cmd = (void *)fw_ptr; | |
2167 | u8 cmd_len; | |
2168 | ||
2169 | cmd_len = sizeof(*cmd) + cmd->plen; | |
2170 | ||
2171 | /* Send each command from the firmware data buffer as | |
2172 | * a single Data fragment. | |
2173 | */ | |
2174 | err = btusb_intel_secure_send(hdev, 0x01, cmd_len, fw_ptr); | |
2175 | if (err < 0) { | |
2176 | BT_ERR("%s: Failed to send firmware data (%d)", | |
2177 | hdev->name, err); | |
2178 | goto done; | |
2179 | } | |
2180 | ||
2181 | fw_ptr += cmd_len; | |
2182 | } | |
2183 | ||
ce6bb929 MH |
2184 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); |
2185 | ||
a087a98e JH |
2186 | BT_INFO("%s: Waiting for firmware download to complete", hdev->name); |
2187 | ||
cda0dd78 MH |
2188 | /* Before switching the device into operational mode and with that |
2189 | * booting the loaded firmware, wait for the bootloader notification | |
2190 | * that all fragments have been successfully received. | |
2191 | * | |
a087a98e JH |
2192 | * When the event processing receives the notification, then the |
2193 | * BTUSB_DOWNLOADING flag will be cleared. | |
2194 | * | |
2195 | * The firmware loading should not take longer than 5 seconds | |
2196 | * and thus just timeout if that happens and fail the setup | |
2197 | * of this device. | |
cda0dd78 | 2198 | */ |
a087a98e JH |
2199 | err = btusb_wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, |
2200 | msecs_to_jiffies(5000), | |
2201 | TASK_INTERRUPTIBLE); | |
2202 | if (err == 1) { | |
2203 | BT_ERR("%s: Firmware loading interrupted", hdev->name); | |
2204 | err = -EINTR; | |
2205 | goto done; | |
2206 | } | |
cda0dd78 | 2207 | |
a087a98e JH |
2208 | if (err) { |
2209 | BT_ERR("%s: Firmware loading timeout", hdev->name); | |
2210 | err = -ETIMEDOUT; | |
2211 | goto done; | |
cda0dd78 MH |
2212 | } |
2213 | ||
2214 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { | |
2215 | BT_ERR("%s: Firmware loading failed", hdev->name); | |
2216 | err = -ENOEXEC; | |
2217 | goto done; | |
2218 | } | |
2219 | ||
2220 | rettime = ktime_get(); | |
2221 | delta = ktime_sub(rettime, calltime); | |
2222 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2223 | ||
2224 | BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration); | |
2225 | ||
2226 | done: | |
2227 | release_firmware(fw); | |
2228 | ||
2229 | if (err < 0) | |
2230 | return err; | |
2231 | ||
2232 | calltime = ktime_get(); | |
2233 | ||
2234 | set_bit(BTUSB_BOOTING, &data->flags); | |
2235 | ||
2236 | skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param, | |
2237 | HCI_INIT_TIMEOUT); | |
2238 | if (IS_ERR(skb)) | |
2239 | return PTR_ERR(skb); | |
2240 | ||
2241 | kfree_skb(skb); | |
2242 | ||
2243 | /* The bootloader will not indicate when the device is ready. This | |
2244 | * is done by the operational firmware sending bootup notification. | |
fad70972 JH |
2245 | * |
2246 | * Booting into operational firmware should not take longer than | |
2247 | * 1 second. However if that happens, then just fail the setup | |
2248 | * since something went wrong. | |
cda0dd78 | 2249 | */ |
fad70972 | 2250 | BT_INFO("%s: Waiting for device to boot", hdev->name); |
cda0dd78 | 2251 | |
fad70972 JH |
2252 | err = btusb_wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, |
2253 | msecs_to_jiffies(1000), | |
2254 | TASK_INTERRUPTIBLE); | |
cda0dd78 | 2255 | |
fad70972 JH |
2256 | if (err == 1) { |
2257 | BT_ERR("%s: Device boot interrupted", hdev->name); | |
2258 | return -EINTR; | |
2259 | } | |
cda0dd78 | 2260 | |
fad70972 JH |
2261 | if (err) { |
2262 | BT_ERR("%s: Device boot timeout", hdev->name); | |
2263 | return -ETIMEDOUT; | |
cda0dd78 MH |
2264 | } |
2265 | ||
2266 | rettime = ktime_get(); | |
2267 | delta = ktime_sub(rettime, calltime); | |
2268 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2269 | ||
2270 | BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration); | |
2271 | ||
2272 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2273 | ||
2274 | return 0; | |
2275 | } | |
2276 | ||
385a768c MH |
2277 | static void btusb_hw_error_intel(struct hci_dev *hdev, u8 code) |
2278 | { | |
2279 | struct sk_buff *skb; | |
2280 | u8 type = 0x00; | |
2281 | ||
2282 | BT_ERR("%s: Hardware error 0x%2.2x", hdev->name, code); | |
2283 | ||
2284 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2285 | if (IS_ERR(skb)) { | |
2286 | BT_ERR("%s: Reset after hardware error failed (%ld)", | |
2287 | hdev->name, PTR_ERR(skb)); | |
2288 | return; | |
2289 | } | |
2290 | kfree_skb(skb); | |
2291 | ||
2292 | skb = __hci_cmd_sync(hdev, 0xfc22, 1, &type, HCI_INIT_TIMEOUT); | |
2293 | if (IS_ERR(skb)) { | |
2294 | BT_ERR("%s: Retrieving Intel exception info failed (%ld)", | |
2295 | hdev->name, PTR_ERR(skb)); | |
2296 | return; | |
2297 | } | |
2298 | ||
2299 | if (skb->len != 13) { | |
2300 | BT_ERR("%s: Exception info size mismatch", hdev->name); | |
2301 | kfree_skb(skb); | |
2302 | return; | |
2303 | } | |
2304 | ||
2305 | if (skb->data[0] != 0x00) { | |
2306 | BT_ERR("%s: Exception info command failure (%02x)", | |
2307 | hdev->name, skb->data[0]); | |
2308 | kfree_skb(skb); | |
2309 | return; | |
2310 | } | |
2311 | ||
2312 | BT_ERR("%s: Exception info %s", hdev->name, (char *)(skb->data + 1)); | |
2313 | ||
2314 | kfree_skb(skb); | |
2315 | } | |
2316 | ||
cb8d6597 MH |
2317 | static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
2318 | { | |
2319 | struct sk_buff *skb; | |
2320 | long ret; | |
2321 | ||
2322 | skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT); | |
2323 | if (IS_ERR(skb)) { | |
2324 | ret = PTR_ERR(skb); | |
2325 | BT_ERR("%s: changing Intel device address failed (%ld)", | |
89e7533d | 2326 | hdev->name, ret); |
cb8d6597 MH |
2327 | return ret; |
2328 | } | |
2329 | kfree_skb(skb); | |
2330 | ||
2331 | return 0; | |
2332 | } | |
2333 | ||
ae8df494 AK |
2334 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
2335 | const bdaddr_t *bdaddr) | |
2336 | { | |
2337 | struct sk_buff *skb; | |
2338 | u8 buf[8]; | |
2339 | long ret; | |
2340 | ||
2341 | buf[0] = 0xfe; | |
2342 | buf[1] = sizeof(bdaddr_t); | |
2343 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
2344 | ||
2345 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2346 | if (IS_ERR(skb)) { | |
2347 | ret = PTR_ERR(skb); | |
2348 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
2349 | hdev->name, ret); | |
2350 | return ret; | |
2351 | } | |
2352 | kfree_skb(skb); | |
2353 | ||
2354 | return 0; | |
2355 | } | |
2356 | ||
c8abb73f MH |
2357 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) |
2358 | ||
10d4c673 PG |
2359 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
2360 | { | |
2361 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2362 | struct usb_device *udev = data->udev; | |
2363 | char fw_name[64]; | |
2364 | const struct firmware *fw; | |
2365 | const u8 *fw_ptr; | |
2366 | size_t fw_size; | |
2367 | const struct hci_command_hdr *cmd; | |
2368 | const u8 *cmd_param; | |
2369 | u16 opcode; | |
2370 | struct sk_buff *skb; | |
2371 | struct hci_rp_read_local_version *ver; | |
c8abb73f | 2372 | struct hci_rp_read_bd_addr *bda; |
10d4c673 PG |
2373 | long ret; |
2374 | ||
2375 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd", | |
2376 | udev->product ? udev->product : "BCM", | |
2377 | le16_to_cpu(udev->descriptor.idVendor), | |
2378 | le16_to_cpu(udev->descriptor.idProduct)); | |
2379 | ||
2380 | ret = request_firmware(&fw, fw_name, &hdev->dev); | |
2381 | if (ret < 0) { | |
c8abb73f | 2382 | BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name); |
10d4c673 PG |
2383 | return 0; |
2384 | } | |
2385 | ||
2386 | /* Reset */ | |
2387 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2388 | if (IS_ERR(skb)) { | |
2389 | ret = PTR_ERR(skb); | |
2390 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
2391 | goto done; | |
2392 | } | |
2393 | kfree_skb(skb); | |
2394 | ||
2395 | /* Read Local Version Info */ | |
2396 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
2397 | HCI_INIT_TIMEOUT); | |
2398 | if (IS_ERR(skb)) { | |
2399 | ret = PTR_ERR(skb); | |
2400 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
89e7533d | 2401 | hdev->name, ret); |
10d4c673 PG |
2402 | goto done; |
2403 | } | |
2404 | ||
2405 | if (skb->len != sizeof(*ver)) { | |
2406 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
89e7533d | 2407 | hdev->name); |
10d4c673 PG |
2408 | kfree_skb(skb); |
2409 | ret = -EIO; | |
2410 | goto done; | |
2411 | } | |
2412 | ||
89e7533d | 2413 | ver = (struct hci_rp_read_local_version *)skb->data; |
10d4c673 PG |
2414 | BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
2415 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
2416 | ver->lmp_ver, ver->lmp_subver); | |
2417 | kfree_skb(skb); | |
2418 | ||
2419 | /* Start Download */ | |
2420 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); | |
2421 | if (IS_ERR(skb)) { | |
2422 | ret = PTR_ERR(skb); | |
2423 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", | |
89e7533d | 2424 | hdev->name, ret); |
10d4c673 PG |
2425 | goto reset_fw; |
2426 | } | |
2427 | kfree_skb(skb); | |
2428 | ||
2429 | /* 50 msec delay after Download Minidrv completes */ | |
2430 | msleep(50); | |
2431 | ||
2432 | fw_ptr = fw->data; | |
2433 | fw_size = fw->size; | |
2434 | ||
2435 | while (fw_size >= sizeof(*cmd)) { | |
89e7533d | 2436 | cmd = (struct hci_command_hdr *)fw_ptr; |
10d4c673 PG |
2437 | fw_ptr += sizeof(*cmd); |
2438 | fw_size -= sizeof(*cmd); | |
2439 | ||
2440 | if (fw_size < cmd->plen) { | |
2441 | BT_ERR("%s: BCM: patch %s is corrupted", | |
89e7533d | 2442 | hdev->name, fw_name); |
10d4c673 PG |
2443 | ret = -EINVAL; |
2444 | goto reset_fw; | |
2445 | } | |
2446 | ||
2447 | cmd_param = fw_ptr; | |
2448 | fw_ptr += cmd->plen; | |
2449 | fw_size -= cmd->plen; | |
2450 | ||
2451 | opcode = le16_to_cpu(cmd->opcode); | |
2452 | ||
2453 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, | |
2454 | HCI_INIT_TIMEOUT); | |
2455 | if (IS_ERR(skb)) { | |
2456 | ret = PTR_ERR(skb); | |
2457 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", | |
89e7533d | 2458 | hdev->name, opcode, ret); |
10d4c673 PG |
2459 | goto reset_fw; |
2460 | } | |
2461 | kfree_skb(skb); | |
2462 | } | |
2463 | ||
2464 | /* 250 msec delay after Launch Ram completes */ | |
2465 | msleep(250); | |
2466 | ||
2467 | reset_fw: | |
2468 | /* Reset */ | |
2469 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2470 | if (IS_ERR(skb)) { | |
2471 | ret = PTR_ERR(skb); | |
2472 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
2473 | goto done; | |
2474 | } | |
2475 | kfree_skb(skb); | |
2476 | ||
2477 | /* Read Local Version Info */ | |
2478 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
2479 | HCI_INIT_TIMEOUT); | |
2480 | if (IS_ERR(skb)) { | |
2481 | ret = PTR_ERR(skb); | |
2482 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
89e7533d | 2483 | hdev->name, ret); |
10d4c673 PG |
2484 | goto done; |
2485 | } | |
2486 | ||
2487 | if (skb->len != sizeof(*ver)) { | |
2488 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
89e7533d | 2489 | hdev->name); |
10d4c673 PG |
2490 | kfree_skb(skb); |
2491 | ret = -EIO; | |
2492 | goto done; | |
2493 | } | |
2494 | ||
89e7533d | 2495 | ver = (struct hci_rp_read_local_version *)skb->data; |
10d4c673 PG |
2496 | BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
2497 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
2498 | ver->lmp_ver, ver->lmp_subver); | |
2499 | kfree_skb(skb); | |
2500 | ||
c8abb73f MH |
2501 | /* Read BD Address */ |
2502 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
2503 | HCI_INIT_TIMEOUT); | |
2504 | if (IS_ERR(skb)) { | |
2505 | ret = PTR_ERR(skb); | |
2506 | BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)", | |
89e7533d | 2507 | hdev->name, ret); |
c8abb73f MH |
2508 | goto done; |
2509 | } | |
2510 | ||
2511 | if (skb->len != sizeof(*bda)) { | |
2512 | BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch", | |
89e7533d | 2513 | hdev->name); |
c8abb73f MH |
2514 | kfree_skb(skb); |
2515 | ret = -EIO; | |
2516 | goto done; | |
2517 | } | |
2518 | ||
89e7533d | 2519 | bda = (struct hci_rp_read_bd_addr *)skb->data; |
c8abb73f MH |
2520 | if (bda->status) { |
2521 | BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)", | |
2522 | hdev->name, bda->status); | |
2523 | kfree_skb(skb); | |
2524 | ret = -bt_to_errno(bda->status); | |
2525 | goto done; | |
2526 | } | |
2527 | ||
2528 | /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller | |
2529 | * with no configured address. | |
2530 | */ | |
849e5086 | 2531 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) { |
c8abb73f MH |
2532 | BT_INFO("%s: BCM: using default device address (%pMR)", |
2533 | hdev->name, &bda->bdaddr); | |
849e5086 MH |
2534 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
2535 | } | |
c8abb73f MH |
2536 | |
2537 | kfree_skb(skb); | |
2538 | ||
10d4c673 PG |
2539 | done: |
2540 | release_firmware(fw); | |
2541 | ||
2542 | return ret; | |
2543 | } | |
2544 | ||
abbaf50e MH |
2545 | static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
2546 | { | |
2547 | struct sk_buff *skb; | |
2548 | long ret; | |
2549 | ||
2550 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); | |
2551 | if (IS_ERR(skb)) { | |
2552 | ret = PTR_ERR(skb); | |
2553 | BT_ERR("%s: BCM: Change address command failed (%ld)", | |
89e7533d | 2554 | hdev->name, ret); |
abbaf50e MH |
2555 | return ret; |
2556 | } | |
2557 | kfree_skb(skb); | |
2558 | ||
2559 | return 0; | |
2560 | } | |
2561 | ||
5859223e TK |
2562 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
2563 | const bdaddr_t *bdaddr) | |
2564 | { | |
2565 | struct sk_buff *skb; | |
2566 | u8 buf[10]; | |
2567 | long ret; | |
2568 | ||
2569 | buf[0] = 0x01; | |
2570 | buf[1] = 0x01; | |
2571 | buf[2] = 0x00; | |
2572 | buf[3] = sizeof(bdaddr_t); | |
2573 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
2574 | ||
2575 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2576 | if (IS_ERR(skb)) { | |
2577 | ret = PTR_ERR(skb); | |
2578 | BT_ERR("%s: Change address command failed (%ld)", | |
2579 | hdev->name, ret); | |
2580 | return ret; | |
2581 | } | |
2582 | kfree_skb(skb); | |
2583 | ||
2584 | return 0; | |
2585 | } | |
2586 | ||
5e23b923 | 2587 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 2588 | const struct usb_device_id *id) |
5e23b923 MH |
2589 | { |
2590 | struct usb_endpoint_descriptor *ep_desc; | |
2591 | struct btusb_data *data; | |
2592 | struct hci_dev *hdev; | |
2593 | int i, err; | |
2594 | ||
2595 | BT_DBG("intf %p id %p", intf, id); | |
2596 | ||
cfeb4145 | 2597 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
2598 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
2599 | return -ENODEV; | |
2600 | ||
2601 | if (!id->driver_info) { | |
2602 | const struct usb_device_id *match; | |
89e7533d | 2603 | |
5e23b923 MH |
2604 | match = usb_match_id(intf, blacklist_table); |
2605 | if (match) | |
2606 | id = match; | |
2607 | } | |
2608 | ||
cfeb4145 MH |
2609 | if (id->driver_info == BTUSB_IGNORE) |
2610 | return -ENODEV; | |
2611 | ||
2d25f8b4 SL |
2612 | if (id->driver_info & BTUSB_ATH3012) { |
2613 | struct usb_device *udev = interface_to_usbdev(intf); | |
2614 | ||
2615 | /* Old firmware would otherwise let ath3k driver load | |
2616 | * patch and sysconfig files */ | |
2617 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
2618 | return -ENODEV; | |
2619 | } | |
2620 | ||
98921dbd | 2621 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
2622 | if (!data) |
2623 | return -ENOMEM; | |
2624 | ||
2625 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2626 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2627 | ||
2628 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
2629 | data->intr_ep = ep_desc; | |
2630 | continue; | |
2631 | } | |
2632 | ||
2633 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2634 | data->bulk_tx_ep = ep_desc; | |
2635 | continue; | |
2636 | } | |
2637 | ||
2638 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2639 | data->bulk_rx_ep = ep_desc; | |
2640 | continue; | |
2641 | } | |
2642 | } | |
2643 | ||
98921dbd | 2644 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 2645 | return -ENODEV; |
5e23b923 | 2646 | |
893ba544 MH |
2647 | if (id->driver_info & BTUSB_AMP) { |
2648 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; | |
2649 | data->cmdreq = 0x2b; | |
2650 | } else { | |
2651 | data->cmdreq_type = USB_TYPE_CLASS; | |
2652 | data->cmdreq = 0x00; | |
2653 | } | |
7a9d4020 | 2654 | |
5e23b923 | 2655 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2656 | data->intf = intf; |
5e23b923 | 2657 | |
5e23b923 | 2658 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2659 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2660 | init_usb_anchor(&data->deferred); |
2661 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2662 | spin_lock_init(&data->txlock); |
5e23b923 | 2663 | |
5e23b923 MH |
2664 | init_usb_anchor(&data->intr_anchor); |
2665 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 2666 | init_usb_anchor(&data->isoc_anchor); |
803b5836 | 2667 | spin_lock_init(&data->rxlock); |
5e23b923 | 2668 | |
cda0dd78 MH |
2669 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2670 | data->recv_event = btusb_recv_event_intel; | |
2671 | data->recv_bulk = btusb_recv_bulk_intel; | |
2672 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
2673 | } else { | |
2674 | data->recv_event = hci_recv_frame; | |
2675 | data->recv_bulk = btusb_recv_bulk; | |
2676 | } | |
2cbd3f5c | 2677 | |
5e23b923 | 2678 | hdev = hci_alloc_dev(); |
98921dbd | 2679 | if (!hdev) |
5e23b923 | 2680 | return -ENOMEM; |
5e23b923 | 2681 | |
c13854ce | 2682 | hdev->bus = HCI_USB; |
155961e8 | 2683 | hci_set_drvdata(hdev, data); |
5e23b923 | 2684 | |
893ba544 MH |
2685 | if (id->driver_info & BTUSB_AMP) |
2686 | hdev->dev_type = HCI_AMP; | |
2687 | else | |
2688 | hdev->dev_type = HCI_BREDR; | |
2689 | ||
5e23b923 MH |
2690 | data->hdev = hdev; |
2691 | ||
2692 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
2693 | ||
9f8f962c MH |
2694 | hdev->open = btusb_open; |
2695 | hdev->close = btusb_close; | |
2696 | hdev->flush = btusb_flush; | |
2697 | hdev->send = btusb_send_frame; | |
2698 | hdev->notify = btusb_notify; | |
2699 | ||
2700 | if (id->driver_info & BTUSB_BCM92035) | |
2701 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 2702 | |
abbaf50e | 2703 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
10d4c673 | 2704 | hdev->setup = btusb_setup_bcm_patchram; |
abbaf50e | 2705 | hdev->set_bdaddr = btusb_set_bdaddr_bcm; |
27c3fbe0 | 2706 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
abbaf50e | 2707 | } |
10d4c673 | 2708 | |
cb8d6597 | 2709 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 2710 | hdev->setup = btusb_setup_intel; |
cb8d6597 | 2711 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
c33fb9b4 | 2712 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
cb8d6597 | 2713 | } |
dffd30ee | 2714 | |
cda0dd78 MH |
2715 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2716 | hdev->send = btusb_send_frame_intel; | |
2717 | hdev->setup = btusb_setup_intel_new; | |
385a768c | 2718 | hdev->hw_error = btusb_hw_error_intel; |
cda0dd78 | 2719 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
b970c5ba | 2720 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
cda0dd78 MH |
2721 | } |
2722 | ||
ae8df494 AK |
2723 | if (id->driver_info & BTUSB_MARVELL) |
2724 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
2725 | ||
661cf88a MH |
2726 | if (id->driver_info & BTUSB_SWAVE) { |
2727 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
d57dbe77 | 2728 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
661cf88a | 2729 | } |
d57dbe77 | 2730 | |
40df783d MH |
2731 | if (id->driver_info & BTUSB_INTEL_BOOT) |
2732 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2733 | ||
79f0c87d | 2734 | if (id->driver_info & BTUSB_ATH3012) { |
5859223e | 2735 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
79f0c87d JP |
2736 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
2737 | } | |
5859223e | 2738 | |
893ba544 MH |
2739 | if (id->driver_info & BTUSB_AMP) { |
2740 | /* AMP controllers do not support SCO packets */ | |
2741 | data->isoc = NULL; | |
2742 | } else { | |
2743 | /* Interface numbers are hardcoded in the specification */ | |
2744 | data->isoc = usb_ifnum_to_if(data->udev, 1); | |
2745 | } | |
9bfa35fe | 2746 | |
7a9d4020 | 2747 | if (!reset) |
a6c511c6 | 2748 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
2749 | |
2750 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
2751 | if (!disable_scofix) | |
2752 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
2753 | } | |
2754 | ||
9bfa35fe MH |
2755 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
2756 | data->isoc = NULL; | |
2757 | ||
7a9d4020 MH |
2758 | if (id->driver_info & BTUSB_DIGIANSWER) { |
2759 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 2760 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
2761 | } |
2762 | ||
2763 | if (id->driver_info & BTUSB_CSR) { | |
2764 | struct usb_device *udev = data->udev; | |
81cac64b | 2765 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
2766 | |
2767 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 2768 | if (bcdDevice < 0x117) |
a6c511c6 | 2769 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
2770 | |
2771 | /* Fake CSR devices with broken commands */ | |
2772 | if (bcdDevice <= 0x100) | |
2773 | hdev->setup = btusb_setup_csr; | |
7a9d4020 MH |
2774 | } |
2775 | ||
cfeb4145 | 2776 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 2777 | struct usb_device *udev = data->udev; |
cfeb4145 | 2778 | |
7a9d4020 | 2779 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
2780 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
2781 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2782 | } | |
2783 | ||
3a5ef20c MH |
2784 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
2785 | /* A bug in the bootloader causes that interrupt interface is | |
2786 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
2787 | */ | |
2788 | err = usb_set_interface(data->udev, 0, 0); | |
2789 | if (err < 0) { | |
2790 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
2791 | hci_free_dev(hdev); | |
2792 | return err; | |
2793 | } | |
2794 | } | |
2795 | ||
9bfa35fe MH |
2796 | if (data->isoc) { |
2797 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 2798 | data->isoc, data); |
9bfa35fe MH |
2799 | if (err < 0) { |
2800 | hci_free_dev(hdev); | |
9bfa35fe MH |
2801 | return err; |
2802 | } | |
2803 | } | |
2804 | ||
5e23b923 MH |
2805 | err = hci_register_dev(hdev); |
2806 | if (err < 0) { | |
2807 | hci_free_dev(hdev); | |
5e23b923 MH |
2808 | return err; |
2809 | } | |
2810 | ||
2811 | usb_set_intfdata(intf, data); | |
2812 | ||
2813 | return 0; | |
2814 | } | |
2815 | ||
2816 | static void btusb_disconnect(struct usb_interface *intf) | |
2817 | { | |
2818 | struct btusb_data *data = usb_get_intfdata(intf); | |
2819 | struct hci_dev *hdev; | |
2820 | ||
2821 | BT_DBG("intf %p", intf); | |
2822 | ||
2823 | if (!data) | |
2824 | return; | |
2825 | ||
2826 | hdev = data->hdev; | |
5fbcd260 MH |
2827 | usb_set_intfdata(data->intf, NULL); |
2828 | ||
2829 | if (data->isoc) | |
2830 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
2831 | |
2832 | hci_unregister_dev(hdev); | |
2833 | ||
5fbcd260 MH |
2834 | if (intf == data->isoc) |
2835 | usb_driver_release_interface(&btusb_driver, data->intf); | |
2836 | else if (data->isoc) | |
2837 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
2838 | ||
5e23b923 MH |
2839 | hci_free_dev(hdev); |
2840 | } | |
2841 | ||
7bee549e | 2842 | #ifdef CONFIG_PM |
6a88adf2 MH |
2843 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
2844 | { | |
2845 | struct btusb_data *data = usb_get_intfdata(intf); | |
2846 | ||
2847 | BT_DBG("intf %p", intf); | |
2848 | ||
2849 | if (data->suspend_count++) | |
2850 | return 0; | |
2851 | ||
7bee549e | 2852 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 2853 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
2854 | set_bit(BTUSB_SUSPENDING, &data->flags); |
2855 | spin_unlock_irq(&data->txlock); | |
2856 | } else { | |
2857 | spin_unlock_irq(&data->txlock); | |
2858 | data->suspend_count--; | |
2859 | return -EBUSY; | |
2860 | } | |
2861 | ||
6a88adf2 MH |
2862 | cancel_work_sync(&data->work); |
2863 | ||
7bee549e | 2864 | btusb_stop_traffic(data); |
6a88adf2 MH |
2865 | usb_kill_anchored_urbs(&data->tx_anchor); |
2866 | ||
6a88adf2 MH |
2867 | return 0; |
2868 | } | |
2869 | ||
7bee549e ON |
2870 | static void play_deferred(struct btusb_data *data) |
2871 | { | |
2872 | struct urb *urb; | |
2873 | int err; | |
2874 | ||
2875 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
2876 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
2877 | if (err < 0) | |
2878 | break; | |
2879 | ||
2880 | data->tx_in_flight++; | |
2881 | } | |
2882 | usb_scuttle_anchored_urbs(&data->deferred); | |
2883 | } | |
2884 | ||
6a88adf2 MH |
2885 | static int btusb_resume(struct usb_interface *intf) |
2886 | { | |
2887 | struct btusb_data *data = usb_get_intfdata(intf); | |
2888 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 2889 | int err = 0; |
6a88adf2 MH |
2890 | |
2891 | BT_DBG("intf %p", intf); | |
2892 | ||
2893 | if (--data->suspend_count) | |
2894 | return 0; | |
2895 | ||
2896 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 2897 | goto done; |
6a88adf2 MH |
2898 | |
2899 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
2900 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
2901 | if (err < 0) { | |
2902 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 2903 | goto failed; |
6a88adf2 MH |
2904 | } |
2905 | } | |
2906 | ||
2907 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
2908 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
2909 | if (err < 0) { | |
6a88adf2 | 2910 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
2911 | goto failed; |
2912 | } | |
2913 | ||
2914 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
2915 | } |
2916 | ||
2917 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2918 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
2919 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
2920 | else | |
2921 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
2922 | } | |
2923 | ||
7bee549e ON |
2924 | spin_lock_irq(&data->txlock); |
2925 | play_deferred(data); | |
2926 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2927 | spin_unlock_irq(&data->txlock); | |
2928 | schedule_work(&data->work); | |
2929 | ||
6a88adf2 | 2930 | return 0; |
7bee549e ON |
2931 | |
2932 | failed: | |
2933 | usb_scuttle_anchored_urbs(&data->deferred); | |
2934 | done: | |
2935 | spin_lock_irq(&data->txlock); | |
2936 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2937 | spin_unlock_irq(&data->txlock); | |
2938 | ||
2939 | return err; | |
6a88adf2 | 2940 | } |
7bee549e | 2941 | #endif |
6a88adf2 | 2942 | |
5e23b923 MH |
2943 | static struct usb_driver btusb_driver = { |
2944 | .name = "btusb", | |
2945 | .probe = btusb_probe, | |
2946 | .disconnect = btusb_disconnect, | |
7bee549e | 2947 | #ifdef CONFIG_PM |
6a88adf2 MH |
2948 | .suspend = btusb_suspend, |
2949 | .resume = btusb_resume, | |
7bee549e | 2950 | #endif |
5e23b923 | 2951 | .id_table = btusb_table, |
7bee549e | 2952 | .supports_autosuspend = 1, |
e1f12eb6 | 2953 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
2954 | }; |
2955 | ||
93f1508c | 2956 | module_usb_driver(btusb_driver); |
5e23b923 | 2957 | |
cfeb4145 MH |
2958 | module_param(disable_scofix, bool, 0644); |
2959 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
2960 | ||
2961 | module_param(force_scofix, bool, 0644); | |
2962 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
2963 | ||
2964 | module_param(reset, bool, 0644); | |
2965 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
2966 | ||
5e23b923 MH |
2967 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
2968 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
2969 | MODULE_VERSION(VERSION); | |
2970 | MODULE_LICENSE("GPL"); |