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 |
3267c884 | 55 | #define BTUSB_QCA_ROME 0x8000 |
5e23b923 | 56 | |
54265202 | 57 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
58 | /* Generic Bluetooth USB device */ |
59 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
60 | ||
893ba544 MH |
61 | /* Generic Bluetooth AMP device */ |
62 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, | |
63 | ||
1fa6535f HR |
64 | /* Apple-specific (Broadcom) devices */ |
65 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, | |
66 | ||
178c059e CYC |
67 | /* MediaTek MT76x0E */ |
68 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
69 | ||
c510eae3 | 70 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 71 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 72 | |
3cd01976 NI |
73 | /* Apple MacBookPro 7,1 */ |
74 | { USB_DEVICE(0x05ac, 0x8213) }, | |
75 | ||
0a79f674 CL |
76 | /* Apple iMac11,1 */ |
77 | { USB_DEVICE(0x05ac, 0x8215) }, | |
78 | ||
9c047157 NI |
79 | /* Apple MacBookPro6,2 */ |
80 | { USB_DEVICE(0x05ac, 0x8218) }, | |
81 | ||
3e3ede7d EH |
82 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
83 | { USB_DEVICE(0x05ac, 0x821b) }, | |
84 | ||
a63b723d PAVM |
85 | /* Apple MacBookAir4,1 */ |
86 | { USB_DEVICE(0x05ac, 0x821f) }, | |
87 | ||
88d377b6 MAP |
88 | /* Apple MacBookPro8,2 */ |
89 | { USB_DEVICE(0x05ac, 0x821a) }, | |
90 | ||
f78b6826 JK |
91 | /* Apple MacMini5,1 */ |
92 | { USB_DEVICE(0x05ac, 0x8281) }, | |
93 | ||
cfeb4145 | 94 | /* AVM BlueFRITZ! USB v2.0 */ |
4fcef8ed | 95 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
cfeb4145 MH |
96 | |
97 | /* Bluetooth Ultraport Module from IBM */ | |
98 | { USB_DEVICE(0x04bf, 0x030a) }, | |
99 | ||
100 | /* ALPS Modules with non-standard id */ | |
101 | { USB_DEVICE(0x044e, 0x3001) }, | |
102 | { USB_DEVICE(0x044e, 0x3002) }, | |
103 | ||
104 | /* Ericsson with non-standard id */ | |
105 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
106 | ||
107 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 108 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 109 | |
d13431ca | 110 | /* Broadcom BCM20702A0 */ |
0b880062 AS |
111 | { USB_DEVICE(0x0489, 0xe042) }, |
112 | { USB_DEVICE(0x04ca, 0x2003) }, | |
1ee3ff61 | 113 | { USB_DEVICE(0x0b05, 0x17b5) }, |
38a172be | 114 | { USB_DEVICE(0x0b05, 0x17cb) }, |
d13431ca | 115 | { USB_DEVICE(0x413c, 0x8197) }, |
a86c02ea F |
116 | { USB_DEVICE(0x13d3, 0x3404), |
117 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
d13431ca | 118 | |
d049f4e5 MH |
119 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
120 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, | |
121 | ||
98514036 | 122 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
123 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
124 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 125 | |
8f0c304c MD |
126 | /* Lite-On Technology - Broadcom based */ |
127 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), | |
128 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
129 | ||
0b880062 | 130 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
131 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
132 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 133 | |
c2aef6e8 | 134 | /* ASUSTek Computer - Broadcom based */ |
9a5abdaa RD |
135 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
136 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
c2aef6e8 | 137 | |
5bcecf32 KB |
138 | /* Belkin F8065bf - Broadcom based */ |
139 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, | |
140 | ||
9113bfd8 JK |
141 | /* IMC Networks - Broadcom based */ |
142 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, | |
143 | ||
40df783d | 144 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
145 | { USB_DEVICE(0x8087, 0x0a5a), |
146 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 147 | |
5e23b923 MH |
148 | { } /* Terminating entry */ |
149 | }; | |
150 | ||
151 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
152 | ||
54265202 | 153 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
154 | /* CSR BlueCore devices */ |
155 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
156 | ||
157 | /* Broadcom BCM2033 without firmware */ | |
158 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
159 | ||
be93112a | 160 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
161 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
162 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
2eeff0b4 | 163 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, |
0b880062 | 164 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 165 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 166 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 167 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 168 | |
509e7861 CYC |
169 | /* Atheros AR9285 Malbec with sflash firmware */ |
170 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
171 | ||
d9f51b51 | 172 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
173 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
174 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
175 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
176 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
177 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
4b552bc9 | 178 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
179 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
180 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
181 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
182 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 183 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
184 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
185 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
134d3b35 | 186 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
187 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
188 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
89d2975f | 189 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 190 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 191 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 192 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 193 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 194 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 195 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 196 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 197 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 198 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 199 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 200 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 201 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
202 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
203 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 204 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 205 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 206 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
033efa92 | 207 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 208 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 209 | |
e9036e33 CYC |
210 | /* Atheros AR5BBU12 with sflash firmware */ |
211 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
212 | ||
85d59726 | 213 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 214 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 215 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 216 | |
3267c884 KBYT |
217 | /* QCA ROME chipset */ |
218 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME}, | |
219 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME}, | |
220 | ||
cfeb4145 | 221 | /* Broadcom BCM2035 */ |
7a9d4020 | 222 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
223 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
224 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
225 | |
226 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
227 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
228 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 229 | |
cfeb4145 | 230 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
231 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
232 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
233 | |
234 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 235 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
236 | |
237 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 238 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 239 | |
5ddd4a60 | 240 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 241 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 242 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 243 | |
7a9d4020 MH |
244 | /* Belkin F8T012 and F8T013 devices */ |
245 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
246 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 247 | |
5ddd4a60 MH |
248 | /* Asus WL-BTD202 device */ |
249 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
250 | ||
251 | /* Kensington Bluetooth USB adapter */ | |
252 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
253 | ||
cfeb4145 MH |
254 | /* RTX Telecom based adapters with buggy SCO support */ |
255 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
256 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
257 | ||
258 | /* CONWISE Technology based adapters with buggy SCO support */ | |
259 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
260 | ||
4fcef8ed MH |
261 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
262 | { USB_DEVICE(0x1300, 0x0001), .driver_info = BTUSB_SWAVE }, | |
263 | ||
cfeb4145 MH |
264 | /* Digianswer devices */ |
265 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
266 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
267 | ||
268 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
269 | { USB_DEVICE(0x0a12, 0x0002), |
270 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
271 | |
272 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
273 | { USB_DEVICE(0x16d3, 0x0002), |
274 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 275 | |
cb1ee89f MH |
276 | /* Marvell Bluetooth devices */ |
277 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
278 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
279 | ||
d0ac9eb7 | 280 | /* Intel Bluetooth devices */ |
407550fe | 281 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, |
dffd30ee | 282 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
ef4e5e4a | 283 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
cda0dd78 | 284 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, |
dffd30ee | 285 | |
d0ac9eb7 MH |
286 | /* Other Intel Bluetooth devices */ |
287 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), | |
288 | .driver_info = BTUSB_IGNORE }, | |
ae8df494 | 289 | |
5e23b923 MH |
290 | { } /* Terminating entry */ |
291 | }; | |
292 | ||
9bfa35fe MH |
293 | #define BTUSB_MAX_ISOC_FRAMES 10 |
294 | ||
5e23b923 MH |
295 | #define BTUSB_INTR_RUNNING 0 |
296 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 297 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 298 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 299 | #define BTUSB_DID_ISO_RESUME 4 |
cda0dd78 MH |
300 | #define BTUSB_BOOTLOADER 5 |
301 | #define BTUSB_DOWNLOADING 6 | |
ce6bb929 | 302 | #define BTUSB_FIRMWARE_LOADED 7 |
cda0dd78 | 303 | #define BTUSB_FIRMWARE_FAILED 8 |
ce6bb929 | 304 | #define BTUSB_BOOTING 9 |
5e23b923 MH |
305 | |
306 | struct btusb_data { | |
307 | struct hci_dev *hdev; | |
308 | struct usb_device *udev; | |
5fbcd260 | 309 | struct usb_interface *intf; |
9bfa35fe | 310 | struct usb_interface *isoc; |
5e23b923 | 311 | |
5e23b923 MH |
312 | unsigned long flags; |
313 | ||
314 | struct work_struct work; | |
7bee549e | 315 | struct work_struct waker; |
5e23b923 | 316 | |
803b5836 | 317 | struct usb_anchor deferred; |
5e23b923 | 318 | struct usb_anchor tx_anchor; |
803b5836 MH |
319 | int tx_in_flight; |
320 | spinlock_t txlock; | |
321 | ||
5e23b923 MH |
322 | struct usb_anchor intr_anchor; |
323 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 324 | struct usb_anchor isoc_anchor; |
803b5836 MH |
325 | spinlock_t rxlock; |
326 | ||
327 | struct sk_buff *evt_skb; | |
328 | struct sk_buff *acl_skb; | |
329 | struct sk_buff *sco_skb; | |
5e23b923 MH |
330 | |
331 | struct usb_endpoint_descriptor *intr_ep; | |
332 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
333 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
334 | struct usb_endpoint_descriptor *isoc_tx_ep; |
335 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
336 | ||
7a9d4020 | 337 | __u8 cmdreq_type; |
893ba544 | 338 | __u8 cmdreq; |
7a9d4020 | 339 | |
43c2e57f | 340 | unsigned int sco_num; |
9bfa35fe | 341 | int isoc_altsetting; |
6a88adf2 | 342 | int suspend_count; |
2cbd3f5c | 343 | |
97307f51 | 344 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
2cbd3f5c | 345 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
ace31982 KBYT |
346 | |
347 | int (*setup_on_usb)(struct hci_dev *hdev); | |
5e23b923 MH |
348 | }; |
349 | ||
803b5836 MH |
350 | static inline void btusb_free_frags(struct btusb_data *data) |
351 | { | |
352 | unsigned long flags; | |
353 | ||
354 | spin_lock_irqsave(&data->rxlock, flags); | |
355 | ||
356 | kfree_skb(data->evt_skb); | |
357 | data->evt_skb = NULL; | |
358 | ||
359 | kfree_skb(data->acl_skb); | |
360 | data->acl_skb = NULL; | |
361 | ||
362 | kfree_skb(data->sco_skb); | |
363 | data->sco_skb = NULL; | |
364 | ||
365 | spin_unlock_irqrestore(&data->rxlock, flags); | |
366 | } | |
367 | ||
1ffa4ad0 MH |
368 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
369 | { | |
803b5836 MH |
370 | struct sk_buff *skb; |
371 | int err = 0; | |
372 | ||
373 | spin_lock(&data->rxlock); | |
374 | skb = data->evt_skb; | |
375 | ||
376 | while (count) { | |
377 | int len; | |
378 | ||
379 | if (!skb) { | |
380 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
381 | if (!skb) { | |
382 | err = -ENOMEM; | |
383 | break; | |
384 | } | |
385 | ||
386 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
387 | bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE; | |
388 | } | |
389 | ||
390 | len = min_t(uint, bt_cb(skb)->expect, count); | |
391 | memcpy(skb_put(skb, len), buffer, len); | |
392 | ||
393 | count -= len; | |
394 | buffer += len; | |
395 | bt_cb(skb)->expect -= len; | |
396 | ||
397 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
398 | /* Complete event header */ | |
399 | bt_cb(skb)->expect = hci_event_hdr(skb)->plen; | |
400 | ||
401 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
402 | kfree_skb(skb); | |
403 | skb = NULL; | |
404 | ||
405 | err = -EILSEQ; | |
406 | break; | |
407 | } | |
408 | } | |
409 | ||
410 | if (bt_cb(skb)->expect == 0) { | |
411 | /* Complete frame */ | |
97307f51 | 412 | data->recv_event(data->hdev, skb); |
803b5836 MH |
413 | skb = NULL; |
414 | } | |
415 | } | |
416 | ||
417 | data->evt_skb = skb; | |
418 | spin_unlock(&data->rxlock); | |
419 | ||
420 | return err; | |
1ffa4ad0 MH |
421 | } |
422 | ||
423 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
424 | { | |
803b5836 MH |
425 | struct sk_buff *skb; |
426 | int err = 0; | |
427 | ||
428 | spin_lock(&data->rxlock); | |
429 | skb = data->acl_skb; | |
430 | ||
431 | while (count) { | |
432 | int len; | |
433 | ||
434 | if (!skb) { | |
435 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
436 | if (!skb) { | |
437 | err = -ENOMEM; | |
438 | break; | |
439 | } | |
440 | ||
441 | bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; | |
442 | bt_cb(skb)->expect = HCI_ACL_HDR_SIZE; | |
443 | } | |
444 | ||
445 | len = min_t(uint, bt_cb(skb)->expect, count); | |
446 | memcpy(skb_put(skb, len), buffer, len); | |
447 | ||
448 | count -= len; | |
449 | buffer += len; | |
450 | bt_cb(skb)->expect -= len; | |
451 | ||
452 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
453 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
454 | ||
455 | /* Complete ACL header */ | |
456 | bt_cb(skb)->expect = __le16_to_cpu(dlen); | |
457 | ||
458 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
459 | kfree_skb(skb); | |
460 | skb = NULL; | |
461 | ||
462 | err = -EILSEQ; | |
463 | break; | |
464 | } | |
465 | } | |
466 | ||
467 | if (bt_cb(skb)->expect == 0) { | |
468 | /* Complete frame */ | |
469 | hci_recv_frame(data->hdev, skb); | |
470 | skb = NULL; | |
471 | } | |
472 | } | |
473 | ||
474 | data->acl_skb = skb; | |
475 | spin_unlock(&data->rxlock); | |
476 | ||
477 | return err; | |
1ffa4ad0 MH |
478 | } |
479 | ||
480 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
481 | { | |
803b5836 MH |
482 | struct sk_buff *skb; |
483 | int err = 0; | |
484 | ||
485 | spin_lock(&data->rxlock); | |
486 | skb = data->sco_skb; | |
487 | ||
488 | while (count) { | |
489 | int len; | |
490 | ||
491 | if (!skb) { | |
492 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
493 | if (!skb) { | |
494 | err = -ENOMEM; | |
495 | break; | |
496 | } | |
497 | ||
498 | bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; | |
499 | bt_cb(skb)->expect = HCI_SCO_HDR_SIZE; | |
500 | } | |
501 | ||
502 | len = min_t(uint, bt_cb(skb)->expect, count); | |
503 | memcpy(skb_put(skb, len), buffer, len); | |
504 | ||
505 | count -= len; | |
506 | buffer += len; | |
507 | bt_cb(skb)->expect -= len; | |
508 | ||
509 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
510 | /* Complete SCO header */ | |
511 | bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen; | |
512 | ||
513 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
514 | kfree_skb(skb); | |
515 | skb = NULL; | |
516 | ||
517 | err = -EILSEQ; | |
518 | break; | |
519 | } | |
520 | } | |
521 | ||
522 | if (bt_cb(skb)->expect == 0) { | |
523 | /* Complete frame */ | |
524 | hci_recv_frame(data->hdev, skb); | |
525 | skb = NULL; | |
526 | } | |
527 | } | |
528 | ||
529 | data->sco_skb = skb; | |
530 | spin_unlock(&data->rxlock); | |
531 | ||
532 | return err; | |
1ffa4ad0 MH |
533 | } |
534 | ||
5e23b923 MH |
535 | static void btusb_intr_complete(struct urb *urb) |
536 | { | |
537 | struct hci_dev *hdev = urb->context; | |
155961e8 | 538 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
539 | int err; |
540 | ||
89e7533d MH |
541 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
542 | urb->actual_length); | |
5e23b923 MH |
543 | |
544 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
545 | return; | |
546 | ||
547 | if (urb->status == 0) { | |
9bfa35fe MH |
548 | hdev->stat.byte_rx += urb->actual_length; |
549 | ||
1ffa4ad0 MH |
550 | if (btusb_recv_intr(data, urb->transfer_buffer, |
551 | urb->actual_length) < 0) { | |
5e23b923 MH |
552 | BT_ERR("%s corrupted event packet", hdev->name); |
553 | hdev->stat.err_rx++; | |
554 | } | |
85560c4a CC |
555 | } else if (urb->status == -ENOENT) { |
556 | /* Avoid suspend failed when usb_kill_urb */ | |
557 | return; | |
5e23b923 MH |
558 | } |
559 | ||
560 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
561 | return; | |
562 | ||
7bee549e | 563 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
564 | usb_anchor_urb(urb, &data->intr_anchor); |
565 | ||
566 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
567 | if (err < 0) { | |
4935f1c1 PB |
568 | /* -EPERM: urb is being killed; |
569 | * -ENODEV: device got disconnected */ | |
570 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 571 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 572 | hdev->name, urb, -err); |
5e23b923 MH |
573 | usb_unanchor_urb(urb); |
574 | } | |
575 | } | |
576 | ||
2eda66f4 | 577 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 578 | { |
155961e8 | 579 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
580 | struct urb *urb; |
581 | unsigned char *buf; | |
582 | unsigned int pipe; | |
583 | int err, size; | |
584 | ||
585 | BT_DBG("%s", hdev->name); | |
586 | ||
9bfa35fe MH |
587 | if (!data->intr_ep) |
588 | return -ENODEV; | |
589 | ||
2eda66f4 | 590 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
591 | if (!urb) |
592 | return -ENOMEM; | |
593 | ||
594 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
595 | ||
2eda66f4 | 596 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
597 | if (!buf) { |
598 | usb_free_urb(urb); | |
599 | return -ENOMEM; | |
600 | } | |
601 | ||
602 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
603 | ||
604 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 605 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
606 | |
607 | urb->transfer_flags |= URB_FREE_BUFFER; | |
608 | ||
609 | usb_anchor_urb(urb, &data->intr_anchor); | |
610 | ||
2eda66f4 | 611 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 612 | if (err < 0) { |
d4b8d1c9 PB |
613 | if (err != -EPERM && err != -ENODEV) |
614 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 615 | hdev->name, urb, -err); |
5e23b923 | 616 | usb_unanchor_urb(urb); |
5e23b923 MH |
617 | } |
618 | ||
619 | usb_free_urb(urb); | |
620 | ||
621 | return err; | |
622 | } | |
623 | ||
624 | static void btusb_bulk_complete(struct urb *urb) | |
625 | { | |
626 | struct hci_dev *hdev = urb->context; | |
155961e8 | 627 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
628 | int err; |
629 | ||
89e7533d MH |
630 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
631 | urb->actual_length); | |
5e23b923 MH |
632 | |
633 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
634 | return; | |
635 | ||
636 | if (urb->status == 0) { | |
9bfa35fe MH |
637 | hdev->stat.byte_rx += urb->actual_length; |
638 | ||
2cbd3f5c | 639 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 640 | urb->actual_length) < 0) { |
5e23b923 MH |
641 | BT_ERR("%s corrupted ACL packet", hdev->name); |
642 | hdev->stat.err_rx++; | |
643 | } | |
85560c4a CC |
644 | } else if (urb->status == -ENOENT) { |
645 | /* Avoid suspend failed when usb_kill_urb */ | |
646 | return; | |
5e23b923 MH |
647 | } |
648 | ||
649 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
650 | return; | |
651 | ||
652 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 653 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
654 | |
655 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
656 | if (err < 0) { | |
4935f1c1 PB |
657 | /* -EPERM: urb is being killed; |
658 | * -ENODEV: device got disconnected */ | |
659 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 660 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 661 | hdev->name, urb, -err); |
5e23b923 MH |
662 | usb_unanchor_urb(urb); |
663 | } | |
664 | } | |
665 | ||
2eda66f4 | 666 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 667 | { |
155961e8 | 668 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
669 | struct urb *urb; |
670 | unsigned char *buf; | |
671 | unsigned int pipe; | |
290ba200 | 672 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
673 | |
674 | BT_DBG("%s", hdev->name); | |
675 | ||
9bfa35fe MH |
676 | if (!data->bulk_rx_ep) |
677 | return -ENODEV; | |
678 | ||
2eda66f4 | 679 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
680 | if (!urb) |
681 | return -ENOMEM; | |
682 | ||
2eda66f4 | 683 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
684 | if (!buf) { |
685 | usb_free_urb(urb); | |
686 | return -ENOMEM; | |
687 | } | |
688 | ||
689 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
690 | ||
89e7533d MH |
691 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
692 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
693 | |
694 | urb->transfer_flags |= URB_FREE_BUFFER; | |
695 | ||
7bee549e | 696 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
697 | usb_anchor_urb(urb, &data->bulk_anchor); |
698 | ||
2eda66f4 | 699 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 700 | if (err < 0) { |
d4b8d1c9 PB |
701 | if (err != -EPERM && err != -ENODEV) |
702 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 703 | hdev->name, urb, -err); |
5e23b923 | 704 | usb_unanchor_urb(urb); |
5e23b923 MH |
705 | } |
706 | ||
707 | usb_free_urb(urb); | |
708 | ||
709 | return err; | |
710 | } | |
711 | ||
9bfa35fe MH |
712 | static void btusb_isoc_complete(struct urb *urb) |
713 | { | |
714 | struct hci_dev *hdev = urb->context; | |
155961e8 | 715 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
716 | int i, err; |
717 | ||
89e7533d MH |
718 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
719 | urb->actual_length); | |
9bfa35fe MH |
720 | |
721 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
722 | return; | |
723 | ||
724 | if (urb->status == 0) { | |
725 | for (i = 0; i < urb->number_of_packets; i++) { | |
726 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
727 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
728 | ||
729 | if (urb->iso_frame_desc[i].status) | |
730 | continue; | |
731 | ||
732 | hdev->stat.byte_rx += length; | |
733 | ||
1ffa4ad0 MH |
734 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
735 | length) < 0) { | |
9bfa35fe MH |
736 | BT_ERR("%s corrupted SCO packet", hdev->name); |
737 | hdev->stat.err_rx++; | |
738 | } | |
739 | } | |
85560c4a CC |
740 | } else if (urb->status == -ENOENT) { |
741 | /* Avoid suspend failed when usb_kill_urb */ | |
742 | return; | |
9bfa35fe MH |
743 | } |
744 | ||
745 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
746 | return; | |
747 | ||
748 | usb_anchor_urb(urb, &data->isoc_anchor); | |
749 | ||
750 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
751 | if (err < 0) { | |
4935f1c1 PB |
752 | /* -EPERM: urb is being killed; |
753 | * -ENODEV: device got disconnected */ | |
754 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 755 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 756 | hdev->name, urb, -err); |
9bfa35fe MH |
757 | usb_unanchor_urb(urb); |
758 | } | |
759 | } | |
760 | ||
42b16b3f | 761 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
762 | { |
763 | int i, offset = 0; | |
764 | ||
765 | BT_DBG("len %d mtu %d", len, mtu); | |
766 | ||
767 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
768 | i++, offset += mtu, len -= mtu) { | |
769 | urb->iso_frame_desc[i].offset = offset; | |
770 | urb->iso_frame_desc[i].length = mtu; | |
771 | } | |
772 | ||
773 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
774 | urb->iso_frame_desc[i].offset = offset; | |
775 | urb->iso_frame_desc[i].length = len; | |
776 | i++; | |
777 | } | |
778 | ||
779 | urb->number_of_packets = i; | |
780 | } | |
781 | ||
2eda66f4 | 782 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 783 | { |
155961e8 | 784 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
785 | struct urb *urb; |
786 | unsigned char *buf; | |
787 | unsigned int pipe; | |
788 | int err, size; | |
789 | ||
790 | BT_DBG("%s", hdev->name); | |
791 | ||
792 | if (!data->isoc_rx_ep) | |
793 | return -ENODEV; | |
794 | ||
2eda66f4 | 795 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
796 | if (!urb) |
797 | return -ENOMEM; | |
798 | ||
799 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
800 | BTUSB_MAX_ISOC_FRAMES; | |
801 | ||
2eda66f4 | 802 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
803 | if (!buf) { |
804 | usb_free_urb(urb); | |
805 | return -ENOMEM; | |
806 | } | |
807 | ||
808 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
809 | ||
fa0fb93f | 810 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 811 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 812 | |
89e7533d | 813 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
814 | |
815 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 816 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
817 | |
818 | usb_anchor_urb(urb, &data->isoc_anchor); | |
819 | ||
2eda66f4 | 820 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 821 | if (err < 0) { |
d4b8d1c9 PB |
822 | if (err != -EPERM && err != -ENODEV) |
823 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 824 | hdev->name, urb, -err); |
9bfa35fe | 825 | usb_unanchor_urb(urb); |
9bfa35fe MH |
826 | } |
827 | ||
828 | usb_free_urb(urb); | |
829 | ||
830 | return err; | |
831 | } | |
832 | ||
5e23b923 | 833 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
834 | { |
835 | struct sk_buff *skb = urb->context; | |
89e7533d | 836 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 837 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 838 | |
89e7533d MH |
839 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
840 | urb->actual_length); | |
7bee549e ON |
841 | |
842 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
843 | goto done; | |
844 | ||
845 | if (!urb->status) | |
846 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
847 | else | |
848 | hdev->stat.err_tx++; | |
849 | ||
850 | done: | |
851 | spin_lock(&data->txlock); | |
852 | data->tx_in_flight--; | |
853 | spin_unlock(&data->txlock); | |
854 | ||
855 | kfree(urb->setup_packet); | |
856 | ||
857 | kfree_skb(skb); | |
858 | } | |
859 | ||
860 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
861 | { |
862 | struct sk_buff *skb = urb->context; | |
89e7533d | 863 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 864 | |
89e7533d MH |
865 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
866 | urb->actual_length); | |
5e23b923 MH |
867 | |
868 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
869 | goto done; | |
870 | ||
871 | if (!urb->status) | |
872 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
873 | else | |
874 | hdev->stat.err_tx++; | |
875 | ||
876 | done: | |
877 | kfree(urb->setup_packet); | |
878 | ||
879 | kfree_skb(skb); | |
880 | } | |
881 | ||
882 | static int btusb_open(struct hci_dev *hdev) | |
883 | { | |
155961e8 | 884 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
885 | int err; |
886 | ||
887 | BT_DBG("%s", hdev->name); | |
888 | ||
ace31982 KBYT |
889 | /* Patching USB firmware files prior to starting any URBs of HCI path |
890 | * It is more safe to use USB bulk channel for downloading USB patch | |
891 | */ | |
892 | if (data->setup_on_usb) { | |
893 | err = data->setup_on_usb(hdev); | |
894 | if (err <0) | |
895 | return err; | |
896 | } | |
897 | ||
7bee549e ON |
898 | err = usb_autopm_get_interface(data->intf); |
899 | if (err < 0) | |
900 | return err; | |
901 | ||
902 | data->intf->needs_remote_wakeup = 1; | |
903 | ||
5e23b923 | 904 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 905 | goto done; |
5e23b923 MH |
906 | |
907 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 908 | goto done; |
5e23b923 | 909 | |
2eda66f4 | 910 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
911 | if (err < 0) |
912 | goto failed; | |
913 | ||
914 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 915 | if (err < 0) { |
43c2e57f MH |
916 | usb_kill_anchored_urbs(&data->intr_anchor); |
917 | goto failed; | |
5e23b923 MH |
918 | } |
919 | ||
43c2e57f MH |
920 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
921 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
922 | ||
7bee549e ON |
923 | done: |
924 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
925 | return 0; |
926 | ||
927 | failed: | |
928 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
929 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 930 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
931 | return err; |
932 | } | |
933 | ||
7bee549e ON |
934 | static void btusb_stop_traffic(struct btusb_data *data) |
935 | { | |
936 | usb_kill_anchored_urbs(&data->intr_anchor); | |
937 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
938 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
939 | } | |
940 | ||
5e23b923 MH |
941 | static int btusb_close(struct hci_dev *hdev) |
942 | { | |
155961e8 | 943 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 944 | int err; |
5e23b923 MH |
945 | |
946 | BT_DBG("%s", hdev->name); | |
947 | ||
948 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
949 | return 0; | |
950 | ||
e8c3c3d2 | 951 | cancel_work_sync(&data->work); |
404291ac | 952 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 953 | |
9bfa35fe | 954 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 955 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 956 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
957 | |
958 | btusb_stop_traffic(data); | |
803b5836 MH |
959 | btusb_free_frags(data); |
960 | ||
7bee549e ON |
961 | err = usb_autopm_get_interface(data->intf); |
962 | if (err < 0) | |
7b8e2c1d | 963 | goto failed; |
7bee549e ON |
964 | |
965 | data->intf->needs_remote_wakeup = 0; | |
966 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 967 | |
7b8e2c1d ON |
968 | failed: |
969 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
970 | return 0; |
971 | } | |
972 | ||
973 | static int btusb_flush(struct hci_dev *hdev) | |
974 | { | |
155961e8 | 975 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
976 | |
977 | BT_DBG("%s", hdev->name); | |
978 | ||
979 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 980 | btusb_free_frags(data); |
5e23b923 MH |
981 | |
982 | return 0; | |
983 | } | |
984 | ||
047b2ec8 | 985 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 986 | { |
155961e8 | 987 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
988 | struct usb_ctrlrequest *dr; |
989 | struct urb *urb; | |
990 | unsigned int pipe; | |
5e23b923 | 991 | |
047b2ec8 MH |
992 | urb = usb_alloc_urb(0, GFP_KERNEL); |
993 | if (!urb) | |
994 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 995 | |
047b2ec8 MH |
996 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
997 | if (!dr) { | |
998 | usb_free_urb(urb); | |
999 | return ERR_PTR(-ENOMEM); | |
1000 | } | |
5e23b923 | 1001 | |
047b2ec8 | 1002 | dr->bRequestType = data->cmdreq_type; |
893ba544 | 1003 | dr->bRequest = data->cmdreq; |
047b2ec8 MH |
1004 | dr->wIndex = 0; |
1005 | dr->wValue = 0; | |
1006 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 1007 | |
047b2ec8 | 1008 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 1009 | |
89e7533d | 1010 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 1011 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 1012 | |
89e7533d | 1013 | skb->dev = (void *)hdev; |
5e23b923 | 1014 | |
047b2ec8 MH |
1015 | return urb; |
1016 | } | |
5e23b923 | 1017 | |
047b2ec8 MH |
1018 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1019 | { | |
1020 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1021 | struct urb *urb; | |
1022 | unsigned int pipe; | |
5e23b923 | 1023 | |
047b2ec8 MH |
1024 | if (!data->bulk_tx_ep) |
1025 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1026 | |
047b2ec8 MH |
1027 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1028 | if (!urb) | |
1029 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1030 | |
047b2ec8 | 1031 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 1032 | |
047b2ec8 MH |
1033 | usb_fill_bulk_urb(urb, data->udev, pipe, |
1034 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 1035 | |
89e7533d | 1036 | skb->dev = (void *)hdev; |
5e23b923 | 1037 | |
047b2ec8 MH |
1038 | return urb; |
1039 | } | |
9bfa35fe | 1040 | |
047b2ec8 MH |
1041 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1042 | { | |
1043 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1044 | struct urb *urb; | |
1045 | unsigned int pipe; | |
9bfa35fe | 1046 | |
047b2ec8 MH |
1047 | if (!data->isoc_tx_ep) |
1048 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1049 | |
047b2ec8 MH |
1050 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1051 | if (!urb) | |
1052 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1053 | |
047b2ec8 | 1054 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1055 | |
047b2ec8 MH |
1056 | usb_fill_int_urb(urb, data->udev, pipe, |
1057 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1058 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1059 | |
047b2ec8 | 1060 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1061 | |
047b2ec8 MH |
1062 | __fill_isoc_descriptor(urb, skb->len, |
1063 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1064 | |
89e7533d | 1065 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1066 | |
1067 | return urb; | |
1068 | } | |
1069 | ||
1070 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1071 | { | |
1072 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1073 | int err; | |
7bee549e | 1074 | |
5e23b923 MH |
1075 | usb_anchor_urb(urb, &data->tx_anchor); |
1076 | ||
e9753eff | 1077 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1078 | if (err < 0) { |
5a9b80e2 PB |
1079 | if (err != -EPERM && err != -ENODEV) |
1080 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 1081 | hdev->name, urb, -err); |
5e23b923 MH |
1082 | kfree(urb->setup_packet); |
1083 | usb_unanchor_urb(urb); | |
7bee549e ON |
1084 | } else { |
1085 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1086 | } |
1087 | ||
54a8a79c | 1088 | usb_free_urb(urb); |
5e23b923 MH |
1089 | return err; |
1090 | } | |
1091 | ||
047b2ec8 MH |
1092 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1093 | { | |
1094 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1095 | unsigned long flags; | |
1096 | bool suspending; | |
1097 | ||
1098 | spin_lock_irqsave(&data->txlock, flags); | |
1099 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1100 | if (!suspending) | |
1101 | data->tx_in_flight++; | |
1102 | spin_unlock_irqrestore(&data->txlock, flags); | |
1103 | ||
1104 | if (!suspending) | |
1105 | return submit_tx_urb(hdev, urb); | |
1106 | ||
1107 | usb_anchor_urb(urb, &data->deferred); | |
1108 | schedule_work(&data->waker); | |
1109 | ||
1110 | usb_free_urb(urb); | |
1111 | return 0; | |
1112 | } | |
1113 | ||
1114 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1115 | { | |
1116 | struct urb *urb; | |
1117 | ||
1118 | BT_DBG("%s", hdev->name); | |
1119 | ||
1120 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1121 | return -EBUSY; | |
1122 | ||
1123 | switch (bt_cb(skb)->pkt_type) { | |
1124 | case HCI_COMMAND_PKT: | |
1125 | urb = alloc_ctrl_urb(hdev, skb); | |
1126 | if (IS_ERR(urb)) | |
1127 | return PTR_ERR(urb); | |
1128 | ||
1129 | hdev->stat.cmd_tx++; | |
1130 | return submit_or_queue_tx_urb(hdev, urb); | |
1131 | ||
1132 | case HCI_ACLDATA_PKT: | |
1133 | urb = alloc_bulk_urb(hdev, skb); | |
1134 | if (IS_ERR(urb)) | |
1135 | return PTR_ERR(urb); | |
1136 | ||
1137 | hdev->stat.acl_tx++; | |
1138 | return submit_or_queue_tx_urb(hdev, urb); | |
1139 | ||
1140 | case HCI_SCODATA_PKT: | |
1141 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1142 | return -ENODEV; | |
1143 | ||
1144 | urb = alloc_isoc_urb(hdev, skb); | |
1145 | if (IS_ERR(urb)) | |
1146 | return PTR_ERR(urb); | |
1147 | ||
1148 | hdev->stat.sco_tx++; | |
1149 | return submit_tx_urb(hdev, urb); | |
1150 | } | |
1151 | ||
1152 | return -EILSEQ; | |
1153 | } | |
1154 | ||
5e23b923 MH |
1155 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1156 | { | |
155961e8 | 1157 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1158 | |
1159 | BT_DBG("%s evt %d", hdev->name, evt); | |
1160 | ||
014f7bc7 MH |
1161 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1162 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1163 | schedule_work(&data->work); |
a780efa8 | 1164 | } |
5e23b923 MH |
1165 | } |
1166 | ||
42b16b3f | 1167 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1168 | { |
155961e8 | 1169 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1170 | struct usb_interface *intf = data->isoc; |
1171 | struct usb_endpoint_descriptor *ep_desc; | |
1172 | int i, err; | |
1173 | ||
1174 | if (!data->isoc) | |
1175 | return -ENODEV; | |
1176 | ||
1177 | err = usb_set_interface(data->udev, 1, altsetting); | |
1178 | if (err < 0) { | |
1179 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
1180 | return err; | |
1181 | } | |
1182 | ||
1183 | data->isoc_altsetting = altsetting; | |
1184 | ||
1185 | data->isoc_tx_ep = NULL; | |
1186 | data->isoc_rx_ep = NULL; | |
1187 | ||
1188 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1189 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1190 | ||
1191 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1192 | data->isoc_tx_ep = ep_desc; | |
1193 | continue; | |
1194 | } | |
1195 | ||
1196 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1197 | data->isoc_rx_ep = ep_desc; | |
1198 | continue; | |
1199 | } | |
1200 | } | |
1201 | ||
1202 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
1203 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
1204 | return -ENODEV; | |
1205 | } | |
1206 | ||
1207 | return 0; | |
1208 | } | |
1209 | ||
5e23b923 MH |
1210 | static void btusb_work(struct work_struct *work) |
1211 | { | |
1212 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1213 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1214 | int new_alts; |
7bee549e | 1215 | int err; |
5e23b923 | 1216 | |
014f7bc7 | 1217 | if (data->sco_num > 0) { |
08b8b6c4 | 1218 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1219 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1220 | if (err < 0) { |
1221 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1222 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1223 | return; | |
1224 | } | |
1225 | ||
08b8b6c4 | 1226 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1227 | } |
f4001d28 MA |
1228 | |
1229 | if (hdev->voice_setting & 0x0020) { | |
1230 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1231 | |
014f7bc7 | 1232 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1233 | } else { |
014f7bc7 | 1234 | new_alts = data->sco_num; |
f4001d28 MA |
1235 | } |
1236 | ||
1237 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
1238 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1239 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1240 | ||
f4001d28 | 1241 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1242 | return; |
1243 | } | |
1244 | ||
1245 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1246 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1247 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1248 | else | |
2eda66f4 | 1249 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1250 | } |
1251 | } else { | |
1252 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1253 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1254 | ||
1255 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1256 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1257 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1258 | } |
1259 | } | |
1260 | ||
7bee549e ON |
1261 | static void btusb_waker(struct work_struct *work) |
1262 | { | |
1263 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1264 | int err; | |
1265 | ||
1266 | err = usb_autopm_get_interface(data->intf); | |
1267 | if (err < 0) | |
1268 | return; | |
1269 | ||
1270 | usb_autopm_put_interface(data->intf); | |
1271 | } | |
1272 | ||
6576fe4a DD |
1273 | static struct sk_buff *btusb_read_local_version(struct hci_dev *hdev) |
1274 | { | |
1275 | struct sk_buff *skb; | |
1276 | ||
1277 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1278 | HCI_INIT_TIMEOUT); | |
1279 | if (IS_ERR(skb)) { | |
1280 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
1281 | hdev->name, PTR_ERR(skb)); | |
1282 | return skb; | |
1283 | } | |
1284 | ||
1285 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { | |
1286 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
1287 | hdev->name); | |
1288 | kfree_skb(skb); | |
1289 | return ERR_PTR(-EIO); | |
1290 | } | |
1291 | ||
1292 | return skb; | |
1293 | } | |
1294 | ||
9f8f962c MH |
1295 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1296 | { | |
1297 | struct sk_buff *skb; | |
1298 | u8 val = 0x00; | |
1299 | ||
1300 | BT_DBG("%s", hdev->name); | |
1301 | ||
1302 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1303 | if (IS_ERR(skb)) | |
1304 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
1305 | else | |
1306 | kfree_skb(skb); | |
1307 | ||
1308 | return 0; | |
1309 | } | |
1310 | ||
81cac64b MH |
1311 | static int btusb_setup_csr(struct hci_dev *hdev) |
1312 | { | |
1313 | struct hci_rp_read_local_version *rp; | |
1314 | struct sk_buff *skb; | |
1315 | int ret; | |
1316 | ||
1317 | BT_DBG("%s", hdev->name); | |
1318 | ||
6576fe4a DD |
1319 | skb = btusb_read_local_version(hdev); |
1320 | if (IS_ERR(skb)) | |
81cac64b | 1321 | return -PTR_ERR(skb); |
81cac64b | 1322 | |
89e7533d | 1323 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b MH |
1324 | |
1325 | if (!rp->status) { | |
1326 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
1327 | /* Clear the reset quirk since this is not an actual | |
1328 | * early Bluetooth 1.1 device from CSR. | |
1329 | */ | |
1330 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
1331 | ||
1332 | /* These fake CSR controllers have all a broken | |
1333 | * stored link key handling and so just disable it. | |
1334 | */ | |
1335 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
1336 | &hdev->quirks); | |
1337 | } | |
1338 | } | |
1339 | ||
1340 | ret = -bt_to_errno(rp->status); | |
1341 | ||
1342 | kfree_skb(skb); | |
1343 | ||
1344 | return ret; | |
1345 | } | |
1346 | ||
dffd30ee THJA |
1347 | struct intel_version { |
1348 | u8 status; | |
1349 | u8 hw_platform; | |
1350 | u8 hw_variant; | |
1351 | u8 hw_revision; | |
1352 | u8 fw_variant; | |
1353 | u8 fw_revision; | |
1354 | u8 fw_build_num; | |
1355 | u8 fw_build_ww; | |
1356 | u8 fw_build_yy; | |
1357 | u8 fw_patch_num; | |
1358 | } __packed; | |
1359 | ||
cda0dd78 MH |
1360 | struct intel_boot_params { |
1361 | __u8 status; | |
1362 | __u8 otp_format; | |
1363 | __u8 otp_content; | |
1364 | __u8 otp_patch; | |
1365 | __le16 dev_revid; | |
1366 | __u8 secure_boot; | |
1367 | __u8 key_from_hdr; | |
1368 | __u8 key_type; | |
1369 | __u8 otp_lock; | |
1370 | __u8 api_lock; | |
1371 | __u8 debug_lock; | |
1372 | bdaddr_t otp_bdaddr; | |
1373 | __u8 min_fw_build_nn; | |
1374 | __u8 min_fw_build_cw; | |
1375 | __u8 min_fw_build_yy; | |
1376 | __u8 limited_cce; | |
1377 | __u8 unlocked_state; | |
1378 | } __packed; | |
1379 | ||
dffd30ee | 1380 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
89e7533d | 1381 | struct intel_version *ver) |
dffd30ee THJA |
1382 | { |
1383 | const struct firmware *fw; | |
1384 | char fwname[64]; | |
1385 | int ret; | |
1386 | ||
1387 | snprintf(fwname, sizeof(fwname), | |
1388 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1389 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1390 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1391 | ver->fw_build_ww, ver->fw_build_yy); | |
1392 | ||
1393 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1394 | if (ret < 0) { | |
1395 | if (ret == -EINVAL) { | |
1396 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1397 | hdev->name, ret); | |
1398 | return NULL; | |
1399 | } | |
1400 | ||
1401 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1402 | hdev->name, fwname, ret); | |
1403 | ||
1404 | /* If the correct firmware patch file is not found, use the | |
1405 | * default firmware patch file instead | |
1406 | */ | |
1407 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1408 | ver->hw_platform, ver->hw_variant); | |
1409 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1410 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1411 | hdev->name, fwname); | |
1412 | return NULL; | |
1413 | } | |
1414 | } | |
1415 | ||
1416 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1417 | ||
1418 | return fw; | |
1419 | } | |
1420 | ||
1421 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1422 | const struct firmware *fw, | |
1423 | const u8 **fw_ptr, int *disable_patch) | |
1424 | { | |
1425 | struct sk_buff *skb; | |
1426 | struct hci_command_hdr *cmd; | |
1427 | const u8 *cmd_param; | |
1428 | struct hci_event_hdr *evt = NULL; | |
1429 | const u8 *evt_param = NULL; | |
1430 | int remain = fw->size - (*fw_ptr - fw->data); | |
1431 | ||
1432 | /* The first byte indicates the types of the patch command or event. | |
1433 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1434 | * in the current firmware buffer doesn't start with 0x01 or | |
1435 | * the size of remain buffer is smaller than HCI command header, | |
1436 | * the firmware file is corrupted and it should stop the patching | |
1437 | * process. | |
1438 | */ | |
1439 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1440 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1441 | return -EINVAL; | |
1442 | } | |
1443 | (*fw_ptr)++; | |
1444 | remain--; | |
1445 | ||
1446 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1447 | *fw_ptr += sizeof(*cmd); | |
1448 | remain -= sizeof(*cmd); | |
1449 | ||
1450 | /* Ensure that the remain firmware data is long enough than the length | |
1451 | * of command parameter. If not, the firmware file is corrupted. | |
1452 | */ | |
1453 | if (remain < cmd->plen) { | |
1454 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1455 | return -EFAULT; | |
1456 | } | |
1457 | ||
1458 | /* If there is a command that loads a patch in the firmware | |
1459 | * file, then enable the patch upon success, otherwise just | |
1460 | * disable the manufacturer mode, for example patch activation | |
1461 | * is not required when the default firmware patch file is used | |
1462 | * because there are no patch data to load. | |
1463 | */ | |
1464 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1465 | *disable_patch = 0; | |
1466 | ||
1467 | cmd_param = *fw_ptr; | |
1468 | *fw_ptr += cmd->plen; | |
1469 | remain -= cmd->plen; | |
1470 | ||
1471 | /* This reads the expected events when the above command is sent to the | |
1472 | * device. Some vendor commands expects more than one events, for | |
1473 | * example command status event followed by vendor specific event. | |
1474 | * For this case, it only keeps the last expected event. so the command | |
1475 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1476 | * last expected event. | |
1477 | */ | |
1478 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1479 | (*fw_ptr)++; | |
1480 | remain--; | |
1481 | ||
1482 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1483 | *fw_ptr += sizeof(*evt); | |
1484 | remain -= sizeof(*evt); | |
1485 | ||
1486 | if (remain < evt->plen) { | |
1487 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1488 | hdev->name); | |
1489 | return -EFAULT; | |
1490 | } | |
1491 | ||
1492 | evt_param = *fw_ptr; | |
1493 | *fw_ptr += evt->plen; | |
1494 | remain -= evt->plen; | |
1495 | } | |
1496 | ||
1497 | /* Every HCI commands in the firmware file has its correspond event. | |
1498 | * If event is not found or remain is smaller than zero, the firmware | |
1499 | * file is corrupted. | |
1500 | */ | |
1501 | if (!evt || !evt_param || remain < 0) { | |
1502 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1503 | return -EFAULT; | |
1504 | } | |
1505 | ||
1506 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1507 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1508 | if (IS_ERR(skb)) { | |
1509 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1510 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1511 | return PTR_ERR(skb); |
dffd30ee THJA |
1512 | } |
1513 | ||
1514 | /* It ensures that the returned event matches the event data read from | |
1515 | * the firmware file. At fist, it checks the length and then | |
1516 | * the contents of the event. | |
1517 | */ | |
1518 | if (skb->len != evt->plen) { | |
1519 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1520 | le16_to_cpu(cmd->opcode)); | |
1521 | kfree_skb(skb); | |
1522 | return -EFAULT; | |
1523 | } | |
1524 | ||
1525 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1526 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1527 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1528 | kfree_skb(skb); | |
1529 | return -EFAULT; | |
1530 | } | |
1531 | kfree_skb(skb); | |
1532 | ||
1533 | return 0; | |
1534 | } | |
1535 | ||
40cb0984 MH |
1536 | #define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}}) |
1537 | ||
1538 | static int btusb_check_bdaddr_intel(struct hci_dev *hdev) | |
1539 | { | |
1540 | struct sk_buff *skb; | |
1541 | struct hci_rp_read_bd_addr *rp; | |
1542 | ||
1543 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1544 | HCI_INIT_TIMEOUT); | |
1545 | if (IS_ERR(skb)) { | |
1546 | BT_ERR("%s reading Intel device address failed (%ld)", | |
1547 | hdev->name, PTR_ERR(skb)); | |
1548 | return PTR_ERR(skb); | |
1549 | } | |
1550 | ||
1551 | if (skb->len != sizeof(*rp)) { | |
1552 | BT_ERR("%s Intel device address length mismatch", hdev->name); | |
1553 | kfree_skb(skb); | |
1554 | return -EIO; | |
1555 | } | |
1556 | ||
89e7533d | 1557 | rp = (struct hci_rp_read_bd_addr *)skb->data; |
40cb0984 MH |
1558 | if (rp->status) { |
1559 | BT_ERR("%s Intel device address result failed (%02x)", | |
1560 | hdev->name, rp->status); | |
1561 | kfree_skb(skb); | |
1562 | return -bt_to_errno(rp->status); | |
1563 | } | |
1564 | ||
1565 | /* For some Intel based controllers, the default Bluetooth device | |
1566 | * address 00:03:19:9E:8B:00 can be found. These controllers are | |
1567 | * fully operational, but have the danger of duplicate addresses | |
1568 | * and that in turn can cause problems with Bluetooth operation. | |
1569 | */ | |
4739b5b1 | 1570 | if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) { |
40cb0984 MH |
1571 | BT_ERR("%s found Intel default device address (%pMR)", |
1572 | hdev->name, &rp->bdaddr); | |
4739b5b1 MH |
1573 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1574 | } | |
40cb0984 MH |
1575 | |
1576 | kfree_skb(skb); | |
1577 | ||
1578 | return 0; | |
1579 | } | |
1580 | ||
dffd30ee THJA |
1581 | static int btusb_setup_intel(struct hci_dev *hdev) |
1582 | { | |
1583 | struct sk_buff *skb; | |
1584 | const struct firmware *fw; | |
1585 | const u8 *fw_ptr; | |
1586 | int disable_patch; | |
1587 | struct intel_version *ver; | |
1588 | ||
1589 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1590 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1591 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1592 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1593 | ||
1594 | BT_DBG("%s", hdev->name); | |
1595 | ||
1596 | /* The controller has a bug with the first HCI command sent to it | |
1597 | * returning number of completed commands as zero. This would stall the | |
1598 | * command processing in the Bluetooth core. | |
1599 | * | |
1600 | * As a workaround, send HCI Reset command first which will reset the | |
1601 | * number of completed commands and allow normal command processing | |
1602 | * from now on. | |
1603 | */ | |
1604 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1605 | if (IS_ERR(skb)) { | |
1606 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1607 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1608 | return PTR_ERR(skb); |
dffd30ee THJA |
1609 | } |
1610 | kfree_skb(skb); | |
1611 | ||
1612 | /* Read Intel specific controller version first to allow selection of | |
1613 | * which firmware file to load. | |
1614 | * | |
1615 | * The returned information are hardware variant and revision plus | |
1616 | * firmware variant, revision and build number. | |
1617 | */ | |
1618 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1619 | if (IS_ERR(skb)) { | |
1620 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1621 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1622 | return PTR_ERR(skb); |
dffd30ee THJA |
1623 | } |
1624 | ||
1625 | if (skb->len != sizeof(*ver)) { | |
1626 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1627 | kfree_skb(skb); | |
1628 | return -EIO; | |
1629 | } | |
1630 | ||
1631 | ver = (struct intel_version *)skb->data; | |
1632 | if (ver->status) { | |
1633 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1634 | ver->status); | |
1635 | kfree_skb(skb); | |
1636 | return -bt_to_errno(ver->status); | |
1637 | } | |
1638 | ||
1639 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1640 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1641 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1642 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1643 | ver->fw_patch_num); | |
1644 | ||
1645 | /* fw_patch_num indicates the version of patch the device currently | |
1646 | * have. If there is no patch data in the device, it is always 0x00. | |
1647 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1648 | */ | |
1649 | if (ver->fw_patch_num) { | |
1650 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1651 | hdev->name, ver->fw_patch_num); | |
1652 | kfree_skb(skb); | |
40cb0984 | 1653 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1654 | return 0; |
1655 | } | |
1656 | ||
1657 | /* Opens the firmware patch file based on the firmware version read | |
1658 | * from the controller. If it fails to open the matching firmware | |
1659 | * patch file, it tries to open the default firmware patch file. | |
1660 | * If no patch file is found, allow the device to operate without | |
1661 | * a patch. | |
1662 | */ | |
1663 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1664 | if (!fw) { | |
1665 | kfree_skb(skb); | |
40cb0984 | 1666 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1667 | return 0; |
1668 | } | |
1669 | fw_ptr = fw->data; | |
1670 | ||
1671 | /* This Intel specific command enables the manufacturer mode of the | |
1672 | * controller. | |
1673 | * | |
1674 | * Only while this mode is enabled, the driver can download the | |
1675 | * firmware patch data and configuration parameters. | |
1676 | */ | |
1677 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1678 | if (IS_ERR(skb)) { | |
1679 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1680 | hdev->name, PTR_ERR(skb)); | |
1681 | release_firmware(fw); | |
d9c78e97 | 1682 | return PTR_ERR(skb); |
dffd30ee THJA |
1683 | } |
1684 | ||
1685 | if (skb->data[0]) { | |
1686 | u8 evt_status = skb->data[0]; | |
89e7533d | 1687 | |
dffd30ee THJA |
1688 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", |
1689 | hdev->name, evt_status); | |
1690 | kfree_skb(skb); | |
1691 | release_firmware(fw); | |
1692 | return -bt_to_errno(evt_status); | |
1693 | } | |
1694 | kfree_skb(skb); | |
1695 | ||
1696 | disable_patch = 1; | |
1697 | ||
1698 | /* The firmware data file consists of list of Intel specific HCI | |
1699 | * commands and its expected events. The first byte indicates the | |
1700 | * type of the message, either HCI command or HCI event. | |
1701 | * | |
1702 | * It reads the command and its expected event from the firmware file, | |
1703 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1704 | * the returned event is compared with the event read from the firmware | |
1705 | * file and it will continue until all the messages are downloaded to | |
1706 | * the controller. | |
1707 | * | |
1708 | * Once the firmware patching is completed successfully, | |
1709 | * the manufacturer mode is disabled with reset and activating the | |
1710 | * downloaded patch. | |
1711 | * | |
1712 | * If the firmware patching fails, the manufacturer mode is | |
1713 | * disabled with reset and deactivating the patch. | |
1714 | * | |
1715 | * If the default patch file is used, no reset is done when disabling | |
1716 | * the manufacturer. | |
1717 | */ | |
1718 | while (fw->size > fw_ptr - fw->data) { | |
1719 | int ret; | |
1720 | ||
1721 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1722 | &disable_patch); | |
1723 | if (ret < 0) | |
1724 | goto exit_mfg_deactivate; | |
1725 | } | |
1726 | ||
1727 | release_firmware(fw); | |
1728 | ||
1729 | if (disable_patch) | |
1730 | goto exit_mfg_disable; | |
1731 | ||
1732 | /* Patching completed successfully and disable the manufacturer mode | |
1733 | * with reset and activate the downloaded firmware patches. | |
1734 | */ | |
1735 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1736 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1737 | if (IS_ERR(skb)) { | |
1738 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1739 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1740 | return PTR_ERR(skb); |
dffd30ee THJA |
1741 | } |
1742 | kfree_skb(skb); | |
1743 | ||
1744 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1745 | hdev->name); | |
1746 | ||
40cb0984 | 1747 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1748 | return 0; |
1749 | ||
1750 | exit_mfg_disable: | |
1751 | /* Disable the manufacturer mode without reset */ | |
1752 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1753 | HCI_INIT_TIMEOUT); | |
1754 | if (IS_ERR(skb)) { | |
1755 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1756 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1757 | return PTR_ERR(skb); |
dffd30ee THJA |
1758 | } |
1759 | kfree_skb(skb); | |
1760 | ||
1761 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 MH |
1762 | |
1763 | btusb_check_bdaddr_intel(hdev); | |
dffd30ee THJA |
1764 | return 0; |
1765 | ||
1766 | exit_mfg_deactivate: | |
1767 | release_firmware(fw); | |
1768 | ||
1769 | /* Patching failed. Disable the manufacturer mode with reset and | |
1770 | * deactivate the downloaded firmware patches. | |
1771 | */ | |
1772 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1773 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1774 | if (IS_ERR(skb)) { | |
1775 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1776 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1777 | return PTR_ERR(skb); |
dffd30ee THJA |
1778 | } |
1779 | kfree_skb(skb); | |
1780 | ||
1781 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1782 | hdev->name); | |
1783 | ||
40cb0984 | 1784 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1785 | return 0; |
1786 | } | |
1787 | ||
cda0dd78 MH |
1788 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
1789 | { | |
1790 | struct sk_buff *skb; | |
1791 | struct hci_event_hdr *hdr; | |
1792 | struct hci_ev_cmd_complete *evt; | |
1793 | ||
1794 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC); | |
1795 | if (!skb) | |
1796 | return -ENOMEM; | |
1797 | ||
1798 | hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr)); | |
1799 | hdr->evt = HCI_EV_CMD_COMPLETE; | |
1800 | hdr->plen = sizeof(*evt) + 1; | |
1801 | ||
1802 | evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt)); | |
1803 | evt->ncmd = 0x01; | |
1804 | evt->opcode = cpu_to_le16(opcode); | |
1805 | ||
1806 | *skb_put(skb, 1) = 0x00; | |
1807 | ||
1808 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
1809 | ||
1810 | return hci_recv_frame(hdev, skb); | |
1811 | } | |
1812 | ||
1813 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
1814 | int count) | |
1815 | { | |
1816 | /* When the device is in bootloader mode, then it can send | |
1817 | * events via the bulk endpoint. These events are treated the | |
1818 | * same way as the ones received from the interrupt endpoint. | |
1819 | */ | |
1820 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) | |
1821 | return btusb_recv_intr(data, buffer, count); | |
1822 | ||
1823 | return btusb_recv_bulk(data, buffer, count); | |
1824 | } | |
1825 | ||
1826 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1827 | { | |
1828 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1829 | ||
1830 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1831 | struct hci_event_hdr *hdr = (void *)skb->data; | |
1832 | ||
1833 | /* When the firmware loading completes the device sends | |
1834 | * out a vendor specific event indicating the result of | |
1835 | * the firmware loading. | |
1836 | */ | |
1837 | if (skb->len == 7 && hdr->evt == 0xff && hdr->plen == 0x05 && | |
1838 | skb->data[2] == 0x06) { | |
1839 | if (skb->data[3] != 0x00) | |
1840 | test_bit(BTUSB_FIRMWARE_FAILED, &data->flags); | |
1841 | ||
ce6bb929 MH |
1842 | if (test_and_clear_bit(BTUSB_DOWNLOADING, |
1843 | &data->flags) && | |
a087a98e JH |
1844 | test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) { |
1845 | smp_mb__after_atomic(); | |
1846 | wake_up_bit(&data->flags, BTUSB_DOWNLOADING); | |
1847 | } | |
cda0dd78 MH |
1848 | } |
1849 | ||
1850 | /* When switching to the operational firmware the device | |
1851 | * sends a vendor specific event indicating that the bootup | |
1852 | * completed. | |
1853 | */ | |
1854 | if (skb->len == 9 && hdr->evt == 0xff && hdr->plen == 0x07 && | |
1855 | skb->data[2] == 0x02) { | |
fad70972 JH |
1856 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) { |
1857 | smp_mb__after_atomic(); | |
1858 | wake_up_bit(&data->flags, BTUSB_BOOTING); | |
1859 | } | |
cda0dd78 MH |
1860 | } |
1861 | } | |
1862 | ||
1863 | return hci_recv_frame(hdev, skb); | |
1864 | } | |
1865 | ||
1866 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1867 | { | |
1868 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1869 | struct urb *urb; | |
1870 | ||
1871 | BT_DBG("%s", hdev->name); | |
1872 | ||
1873 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1874 | return -EBUSY; | |
1875 | ||
1876 | switch (bt_cb(skb)->pkt_type) { | |
1877 | case HCI_COMMAND_PKT: | |
1878 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1879 | struct hci_command_hdr *cmd = (void *)skb->data; | |
1880 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
1881 | ||
1882 | /* When in bootloader mode and the command 0xfc09 | |
1883 | * is received, it needs to be send down the | |
1884 | * bulk endpoint. So allocate a bulk URB instead. | |
1885 | */ | |
1886 | if (opcode == 0xfc09) | |
1887 | urb = alloc_bulk_urb(hdev, skb); | |
1888 | else | |
1889 | urb = alloc_ctrl_urb(hdev, skb); | |
1890 | ||
1891 | /* When the 0xfc01 command is issued to boot into | |
1892 | * the operational firmware, it will actually not | |
1893 | * send a command complete event. To keep the flow | |
1894 | * control working inject that event here. | |
1895 | */ | |
1896 | if (opcode == 0xfc01) | |
1897 | inject_cmd_complete(hdev, opcode); | |
1898 | } else { | |
1899 | urb = alloc_ctrl_urb(hdev, skb); | |
1900 | } | |
1901 | if (IS_ERR(urb)) | |
1902 | return PTR_ERR(urb); | |
1903 | ||
1904 | hdev->stat.cmd_tx++; | |
1905 | return submit_or_queue_tx_urb(hdev, urb); | |
1906 | ||
1907 | case HCI_ACLDATA_PKT: | |
1908 | urb = alloc_bulk_urb(hdev, skb); | |
1909 | if (IS_ERR(urb)) | |
1910 | return PTR_ERR(urb); | |
1911 | ||
1912 | hdev->stat.acl_tx++; | |
1913 | return submit_or_queue_tx_urb(hdev, urb); | |
1914 | ||
1915 | case HCI_SCODATA_PKT: | |
1916 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1917 | return -ENODEV; | |
1918 | ||
1919 | urb = alloc_isoc_urb(hdev, skb); | |
1920 | if (IS_ERR(urb)) | |
1921 | return PTR_ERR(urb); | |
1922 | ||
1923 | hdev->stat.sco_tx++; | |
1924 | return submit_tx_urb(hdev, urb); | |
1925 | } | |
1926 | ||
1927 | return -EILSEQ; | |
1928 | } | |
1929 | ||
1930 | static int btusb_intel_secure_send(struct hci_dev *hdev, u8 fragment_type, | |
1931 | u32 plen, const void *param) | |
1932 | { | |
1933 | while (plen > 0) { | |
1934 | struct sk_buff *skb; | |
1935 | u8 cmd_param[253], fragment_len = (plen > 252) ? 252 : plen; | |
1936 | ||
1937 | cmd_param[0] = fragment_type; | |
1938 | memcpy(cmd_param + 1, param, fragment_len); | |
1939 | ||
1940 | skb = __hci_cmd_sync(hdev, 0xfc09, fragment_len + 1, | |
1941 | cmd_param, HCI_INIT_TIMEOUT); | |
1942 | if (IS_ERR(skb)) | |
1943 | return PTR_ERR(skb); | |
1944 | ||
1945 | kfree_skb(skb); | |
1946 | ||
1947 | plen -= fragment_len; | |
1948 | param += fragment_len; | |
1949 | } | |
1950 | ||
1951 | return 0; | |
1952 | } | |
1953 | ||
1954 | static void btusb_intel_version_info(struct hci_dev *hdev, | |
1955 | struct intel_version *ver) | |
1956 | { | |
1957 | const char *variant; | |
1958 | ||
1959 | switch (ver->fw_variant) { | |
1960 | case 0x06: | |
1961 | variant = "Bootloader"; | |
1962 | break; | |
1963 | case 0x23: | |
1964 | variant = "Firmware"; | |
1965 | break; | |
1966 | default: | |
1967 | return; | |
1968 | } | |
1969 | ||
1970 | BT_INFO("%s: %s revision %u.%u build %u week %u %u", hdev->name, | |
1971 | variant, ver->fw_revision >> 4, ver->fw_revision & 0x0f, | |
1972 | ver->fw_build_num, ver->fw_build_ww, 2000 + ver->fw_build_yy); | |
1973 | } | |
1974 | ||
1975 | static int btusb_setup_intel_new(struct hci_dev *hdev) | |
1976 | { | |
1977 | static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01, | |
1978 | 0x00, 0x08, 0x04, 0x00 }; | |
1979 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1980 | struct sk_buff *skb; | |
1981 | struct intel_version *ver; | |
1982 | struct intel_boot_params *params; | |
1983 | const struct firmware *fw; | |
1984 | const u8 *fw_ptr; | |
1985 | char fwname[64]; | |
1986 | ktime_t calltime, delta, rettime; | |
1987 | unsigned long long duration; | |
1988 | int err; | |
1989 | ||
1990 | BT_DBG("%s", hdev->name); | |
1991 | ||
1992 | calltime = ktime_get(); | |
1993 | ||
1994 | /* Read the Intel version information to determine if the device | |
1995 | * is in bootloader mode or if it already has operational firmware | |
1996 | * loaded. | |
1997 | */ | |
1998 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1999 | if (IS_ERR(skb)) { | |
2000 | BT_ERR("%s: Reading Intel version information failed (%ld)", | |
2001 | hdev->name, PTR_ERR(skb)); | |
2002 | return PTR_ERR(skb); | |
2003 | } | |
2004 | ||
2005 | if (skb->len != sizeof(*ver)) { | |
2006 | BT_ERR("%s: Intel version event size mismatch", hdev->name); | |
2007 | kfree_skb(skb); | |
2008 | return -EILSEQ; | |
2009 | } | |
2010 | ||
2011 | ver = (struct intel_version *)skb->data; | |
2012 | if (ver->status) { | |
2013 | BT_ERR("%s: Intel version command failure (%02x)", | |
2014 | hdev->name, ver->status); | |
2015 | err = -bt_to_errno(ver->status); | |
2016 | kfree_skb(skb); | |
2017 | return err; | |
2018 | } | |
2019 | ||
2020 | /* The hardware platform number has a fixed value of 0x37 and | |
2021 | * for now only accept this single value. | |
2022 | */ | |
2023 | if (ver->hw_platform != 0x37) { | |
2024 | BT_ERR("%s: Unsupported Intel hardware platform (%u)", | |
2025 | hdev->name, ver->hw_platform); | |
2026 | kfree_skb(skb); | |
2027 | return -EINVAL; | |
2028 | } | |
2029 | ||
2030 | /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is | |
2031 | * supported by this firmware loading method. This check has been | |
2032 | * put in place to ensure correct forward compatibility options | |
2033 | * when newer hardware variants come along. | |
2034 | */ | |
2035 | if (ver->hw_variant != 0x0b) { | |
2036 | BT_ERR("%s: Unsupported Intel hardware variant (%u)", | |
2037 | hdev->name, ver->hw_variant); | |
2038 | kfree_skb(skb); | |
2039 | return -EINVAL; | |
2040 | } | |
2041 | ||
2042 | btusb_intel_version_info(hdev, ver); | |
2043 | ||
2044 | /* The firmware variant determines if the device is in bootloader | |
2045 | * mode or is running operational firmware. The value 0x06 identifies | |
2046 | * the bootloader and the value 0x23 identifies the operational | |
2047 | * firmware. | |
2048 | * | |
2049 | * When the operational firmware is already present, then only | |
2050 | * the check for valid Bluetooth device address is needed. This | |
2051 | * determines if the device will be added as configured or | |
2052 | * unconfigured controller. | |
2053 | * | |
2054 | * It is not possible to use the Secure Boot Parameters in this | |
2055 | * case since that command is only available in bootloader mode. | |
2056 | */ | |
2057 | if (ver->fw_variant == 0x23) { | |
2058 | kfree_skb(skb); | |
2059 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2060 | btusb_check_bdaddr_intel(hdev); | |
2061 | return 0; | |
2062 | } | |
2063 | ||
2064 | /* If the device is not in bootloader mode, then the only possible | |
2065 | * choice is to return an error and abort the device initialization. | |
2066 | */ | |
2067 | if (ver->fw_variant != 0x06) { | |
2068 | BT_ERR("%s: Unsupported Intel firmware variant (%u)", | |
2069 | hdev->name, ver->fw_variant); | |
2070 | kfree_skb(skb); | |
2071 | return -ENODEV; | |
2072 | } | |
2073 | ||
2074 | kfree_skb(skb); | |
2075 | ||
2076 | /* Read the secure boot parameters to identify the operating | |
2077 | * details of the bootloader. | |
2078 | */ | |
2079 | skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT); | |
2080 | if (IS_ERR(skb)) { | |
2081 | BT_ERR("%s: Reading Intel boot parameters failed (%ld)", | |
2082 | hdev->name, PTR_ERR(skb)); | |
2083 | return PTR_ERR(skb); | |
2084 | } | |
2085 | ||
2086 | if (skb->len != sizeof(*params)) { | |
2087 | BT_ERR("%s: Intel boot parameters size mismatch", hdev->name); | |
2088 | kfree_skb(skb); | |
2089 | return -EILSEQ; | |
2090 | } | |
2091 | ||
2092 | params = (struct intel_boot_params *)skb->data; | |
2093 | if (params->status) { | |
2094 | BT_ERR("%s: Intel boot parameters command failure (%02x)", | |
2095 | hdev->name, params->status); | |
2096 | err = -bt_to_errno(params->status); | |
2097 | kfree_skb(skb); | |
2098 | return err; | |
2099 | } | |
2100 | ||
2101 | BT_INFO("%s: Device revision is %u", hdev->name, | |
2102 | le16_to_cpu(params->dev_revid)); | |
2103 | ||
2104 | BT_INFO("%s: Secure boot is %s", hdev->name, | |
2105 | params->secure_boot ? "enabled" : "disabled"); | |
2106 | ||
2107 | BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name, | |
2108 | params->min_fw_build_nn, params->min_fw_build_cw, | |
2109 | 2000 + params->min_fw_build_yy); | |
2110 | ||
2111 | /* It is required that every single firmware fragment is acknowledged | |
2112 | * with a command complete event. If the boot parameters indicate | |
2113 | * that this bootloader does not send them, then abort the setup. | |
2114 | */ | |
2115 | if (params->limited_cce != 0x00) { | |
2116 | BT_ERR("%s: Unsupported Intel firmware loading method (%u)", | |
2117 | hdev->name, params->limited_cce); | |
2118 | kfree_skb(skb); | |
2119 | return -EINVAL; | |
2120 | } | |
2121 | ||
2122 | /* If the OTP has no valid Bluetooth device address, then there will | |
2123 | * also be no valid address for the operational firmware. | |
2124 | */ | |
2125 | if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) { | |
2126 | BT_INFO("%s: No device address configured", hdev->name); | |
2127 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); | |
2128 | } | |
2129 | ||
2130 | /* With this Intel bootloader only the hardware variant and device | |
2131 | * revision information are used to select the right firmware. | |
2132 | * | |
2133 | * Currently this bootloader support is limited to hardware variant | |
2134 | * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b). | |
2135 | */ | |
2136 | snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi", | |
2137 | le16_to_cpu(params->dev_revid)); | |
2138 | ||
2139 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2140 | if (err < 0) { | |
2141 | BT_ERR("%s: Failed to load Intel firmware file (%d)", | |
2142 | hdev->name, err); | |
2143 | kfree_skb(skb); | |
2144 | return err; | |
2145 | } | |
2146 | ||
2147 | BT_INFO("%s: Found device firmware: %s", hdev->name, fwname); | |
2148 | ||
2149 | kfree_skb(skb); | |
2150 | ||
2151 | if (fw->size < 644) { | |
2152 | BT_ERR("%s: Invalid size of firmware file (%zu)", | |
2153 | hdev->name, fw->size); | |
2154 | err = -EBADF; | |
2155 | goto done; | |
2156 | } | |
2157 | ||
2158 | set_bit(BTUSB_DOWNLOADING, &data->flags); | |
2159 | ||
2160 | /* Start the firmware download transaction with the Init fragment | |
2161 | * represented by the 128 bytes of CSS header. | |
2162 | */ | |
2163 | err = btusb_intel_secure_send(hdev, 0x00, 128, fw->data); | |
2164 | if (err < 0) { | |
2165 | BT_ERR("%s: Failed to send firmware header (%d)", | |
2166 | hdev->name, err); | |
2167 | goto done; | |
2168 | } | |
2169 | ||
2170 | /* Send the 256 bytes of public key information from the firmware | |
2171 | * as the PKey fragment. | |
2172 | */ | |
2173 | err = btusb_intel_secure_send(hdev, 0x03, 256, fw->data + 128); | |
2174 | if (err < 0) { | |
2175 | BT_ERR("%s: Failed to send firmware public key (%d)", | |
2176 | hdev->name, err); | |
2177 | goto done; | |
2178 | } | |
2179 | ||
2180 | /* Send the 256 bytes of signature information from the firmware | |
2181 | * as the Sign fragment. | |
2182 | */ | |
2183 | err = btusb_intel_secure_send(hdev, 0x02, 256, fw->data + 388); | |
2184 | if (err < 0) { | |
2185 | BT_ERR("%s: Failed to send firmware signature (%d)", | |
2186 | hdev->name, err); | |
2187 | goto done; | |
2188 | } | |
2189 | ||
2190 | fw_ptr = fw->data + 644; | |
2191 | ||
2192 | while (fw_ptr - fw->data < fw->size) { | |
2193 | struct hci_command_hdr *cmd = (void *)fw_ptr; | |
2194 | u8 cmd_len; | |
2195 | ||
2196 | cmd_len = sizeof(*cmd) + cmd->plen; | |
2197 | ||
2198 | /* Send each command from the firmware data buffer as | |
2199 | * a single Data fragment. | |
2200 | */ | |
2201 | err = btusb_intel_secure_send(hdev, 0x01, cmd_len, fw_ptr); | |
2202 | if (err < 0) { | |
2203 | BT_ERR("%s: Failed to send firmware data (%d)", | |
2204 | hdev->name, err); | |
2205 | goto done; | |
2206 | } | |
2207 | ||
2208 | fw_ptr += cmd_len; | |
2209 | } | |
2210 | ||
ce6bb929 MH |
2211 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); |
2212 | ||
a087a98e JH |
2213 | BT_INFO("%s: Waiting for firmware download to complete", hdev->name); |
2214 | ||
cda0dd78 MH |
2215 | /* Before switching the device into operational mode and with that |
2216 | * booting the loaded firmware, wait for the bootloader notification | |
2217 | * that all fragments have been successfully received. | |
2218 | * | |
a087a98e JH |
2219 | * When the event processing receives the notification, then the |
2220 | * BTUSB_DOWNLOADING flag will be cleared. | |
2221 | * | |
2222 | * The firmware loading should not take longer than 5 seconds | |
2223 | * and thus just timeout if that happens and fail the setup | |
2224 | * of this device. | |
cda0dd78 | 2225 | */ |
129a7693 JH |
2226 | err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, |
2227 | TASK_INTERRUPTIBLE, | |
2228 | msecs_to_jiffies(5000)); | |
a087a98e JH |
2229 | if (err == 1) { |
2230 | BT_ERR("%s: Firmware loading interrupted", hdev->name); | |
2231 | err = -EINTR; | |
2232 | goto done; | |
2233 | } | |
cda0dd78 | 2234 | |
a087a98e JH |
2235 | if (err) { |
2236 | BT_ERR("%s: Firmware loading timeout", hdev->name); | |
2237 | err = -ETIMEDOUT; | |
2238 | goto done; | |
cda0dd78 MH |
2239 | } |
2240 | ||
2241 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { | |
2242 | BT_ERR("%s: Firmware loading failed", hdev->name); | |
2243 | err = -ENOEXEC; | |
2244 | goto done; | |
2245 | } | |
2246 | ||
2247 | rettime = ktime_get(); | |
2248 | delta = ktime_sub(rettime, calltime); | |
2249 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2250 | ||
2251 | BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration); | |
2252 | ||
2253 | done: | |
2254 | release_firmware(fw); | |
2255 | ||
2256 | if (err < 0) | |
2257 | return err; | |
2258 | ||
2259 | calltime = ktime_get(); | |
2260 | ||
2261 | set_bit(BTUSB_BOOTING, &data->flags); | |
2262 | ||
2263 | skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param, | |
2264 | HCI_INIT_TIMEOUT); | |
2265 | if (IS_ERR(skb)) | |
2266 | return PTR_ERR(skb); | |
2267 | ||
2268 | kfree_skb(skb); | |
2269 | ||
2270 | /* The bootloader will not indicate when the device is ready. This | |
2271 | * is done by the operational firmware sending bootup notification. | |
fad70972 JH |
2272 | * |
2273 | * Booting into operational firmware should not take longer than | |
2274 | * 1 second. However if that happens, then just fail the setup | |
2275 | * since something went wrong. | |
cda0dd78 | 2276 | */ |
fad70972 | 2277 | BT_INFO("%s: Waiting for device to boot", hdev->name); |
cda0dd78 | 2278 | |
129a7693 JH |
2279 | err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, |
2280 | TASK_INTERRUPTIBLE, | |
2281 | msecs_to_jiffies(1000)); | |
cda0dd78 | 2282 | |
fad70972 JH |
2283 | if (err == 1) { |
2284 | BT_ERR("%s: Device boot interrupted", hdev->name); | |
2285 | return -EINTR; | |
2286 | } | |
cda0dd78 | 2287 | |
fad70972 JH |
2288 | if (err) { |
2289 | BT_ERR("%s: Device boot timeout", hdev->name); | |
2290 | return -ETIMEDOUT; | |
cda0dd78 MH |
2291 | } |
2292 | ||
2293 | rettime = ktime_get(); | |
2294 | delta = ktime_sub(rettime, calltime); | |
2295 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2296 | ||
2297 | BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration); | |
2298 | ||
2299 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2300 | ||
2301 | return 0; | |
2302 | } | |
2303 | ||
385a768c MH |
2304 | static void btusb_hw_error_intel(struct hci_dev *hdev, u8 code) |
2305 | { | |
2306 | struct sk_buff *skb; | |
2307 | u8 type = 0x00; | |
2308 | ||
2309 | BT_ERR("%s: Hardware error 0x%2.2x", hdev->name, code); | |
2310 | ||
2311 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2312 | if (IS_ERR(skb)) { | |
2313 | BT_ERR("%s: Reset after hardware error failed (%ld)", | |
2314 | hdev->name, PTR_ERR(skb)); | |
2315 | return; | |
2316 | } | |
2317 | kfree_skb(skb); | |
2318 | ||
2319 | skb = __hci_cmd_sync(hdev, 0xfc22, 1, &type, HCI_INIT_TIMEOUT); | |
2320 | if (IS_ERR(skb)) { | |
2321 | BT_ERR("%s: Retrieving Intel exception info failed (%ld)", | |
2322 | hdev->name, PTR_ERR(skb)); | |
2323 | return; | |
2324 | } | |
2325 | ||
2326 | if (skb->len != 13) { | |
2327 | BT_ERR("%s: Exception info size mismatch", hdev->name); | |
2328 | kfree_skb(skb); | |
2329 | return; | |
2330 | } | |
2331 | ||
2332 | if (skb->data[0] != 0x00) { | |
2333 | BT_ERR("%s: Exception info command failure (%02x)", | |
2334 | hdev->name, skb->data[0]); | |
2335 | kfree_skb(skb); | |
2336 | return; | |
2337 | } | |
2338 | ||
2339 | BT_ERR("%s: Exception info %s", hdev->name, (char *)(skb->data + 1)); | |
2340 | ||
2341 | kfree_skb(skb); | |
2342 | } | |
2343 | ||
cb8d6597 MH |
2344 | static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
2345 | { | |
2346 | struct sk_buff *skb; | |
2347 | long ret; | |
2348 | ||
2349 | skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT); | |
2350 | if (IS_ERR(skb)) { | |
2351 | ret = PTR_ERR(skb); | |
2352 | BT_ERR("%s: changing Intel device address failed (%ld)", | |
89e7533d | 2353 | hdev->name, ret); |
cb8d6597 MH |
2354 | return ret; |
2355 | } | |
2356 | kfree_skb(skb); | |
2357 | ||
2358 | return 0; | |
2359 | } | |
2360 | ||
bfbd45e9 THJA |
2361 | static int btusb_shutdown_intel(struct hci_dev *hdev) |
2362 | { | |
2363 | struct sk_buff *skb; | |
2364 | long ret; | |
2365 | ||
2366 | /* Some platforms have an issue with BT LED when the interface is | |
2367 | * down or BT radio is turned off, which takes 5 seconds to BT LED | |
2368 | * goes off. This command turns off the BT LED immediately. | |
2369 | */ | |
2370 | skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); | |
2371 | if (IS_ERR(skb)) { | |
2372 | ret = PTR_ERR(skb); | |
2373 | BT_ERR("%s: turning off Intel device LED failed (%ld)", | |
2374 | hdev->name, ret); | |
2375 | return ret; | |
2376 | } | |
2377 | kfree_skb(skb); | |
2378 | ||
2379 | return 0; | |
2380 | } | |
2381 | ||
ae8df494 AK |
2382 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
2383 | const bdaddr_t *bdaddr) | |
2384 | { | |
2385 | struct sk_buff *skb; | |
2386 | u8 buf[8]; | |
2387 | long ret; | |
2388 | ||
2389 | buf[0] = 0xfe; | |
2390 | buf[1] = sizeof(bdaddr_t); | |
2391 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
2392 | ||
2393 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2394 | if (IS_ERR(skb)) { | |
2395 | ret = PTR_ERR(skb); | |
2396 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
2397 | hdev->name, ret); | |
2398 | return ret; | |
2399 | } | |
2400 | kfree_skb(skb); | |
2401 | ||
2402 | return 0; | |
2403 | } | |
2404 | ||
18835dfa MH |
2405 | static const struct { |
2406 | u16 subver; | |
2407 | const char *name; | |
2408 | } bcm_subver_table[] = { | |
2409 | { 0x210b, "BCM43142A0" }, /* 001.001.011 */ | |
2410 | { 0x2112, "BCM4314A0" }, /* 001.001.018 */ | |
2411 | { 0x2118, "BCM20702A0" }, /* 001.001.024 */ | |
2412 | { 0x2126, "BCM4335A0" }, /* 001.001.038 */ | |
2413 | { 0x220e, "BCM20702A1" }, /* 001.002.014 */ | |
2414 | { 0x230f, "BCM4354A2" }, /* 001.003.015 */ | |
2415 | { 0x4106, "BCM4335B0" }, /* 002.001.006 */ | |
2416 | { 0x410e, "BCM20702B0" }, /* 002.001.014 */ | |
2417 | { 0x6109, "BCM4335C0" }, /* 003.001.009 */ | |
2418 | { 0x610c, "BCM4354" }, /* 003.001.012 */ | |
2419 | { } | |
2420 | }; | |
2421 | ||
c8abb73f MH |
2422 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) |
2423 | ||
10d4c673 PG |
2424 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
2425 | { | |
2426 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2427 | struct usb_device *udev = data->udev; | |
2428 | char fw_name[64]; | |
2429 | const struct firmware *fw; | |
2430 | const u8 *fw_ptr; | |
2431 | size_t fw_size; | |
2432 | const struct hci_command_hdr *cmd; | |
2433 | const u8 *cmd_param; | |
18835dfa MH |
2434 | u16 opcode, subver, rev; |
2435 | const char *hw_name = NULL; | |
10d4c673 PG |
2436 | struct sk_buff *skb; |
2437 | struct hci_rp_read_local_version *ver; | |
c8abb73f | 2438 | struct hci_rp_read_bd_addr *bda; |
10d4c673 | 2439 | long ret; |
18835dfa | 2440 | int i; |
10d4c673 PG |
2441 | |
2442 | /* Reset */ | |
2443 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2444 | if (IS_ERR(skb)) { | |
2445 | ret = PTR_ERR(skb); | |
2446 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
18835dfa | 2447 | return ret; |
10d4c673 PG |
2448 | } |
2449 | kfree_skb(skb); | |
2450 | ||
2451 | /* Read Local Version Info */ | |
6576fe4a DD |
2452 | skb = btusb_read_local_version(hdev); |
2453 | if (IS_ERR(skb)) | |
2454 | return PTR_ERR(skb); | |
10d4c673 | 2455 | |
89e7533d | 2456 | ver = (struct hci_rp_read_local_version *)skb->data; |
18835dfa MH |
2457 | rev = le16_to_cpu(ver->hci_rev); |
2458 | subver = le16_to_cpu(ver->lmp_subver); | |
10d4c673 PG |
2459 | kfree_skb(skb); |
2460 | ||
18835dfa MH |
2461 | for (i = 0; bcm_subver_table[i].name; i++) { |
2462 | if (subver == bcm_subver_table[i].subver) { | |
2463 | hw_name = bcm_subver_table[i].name; | |
2464 | break; | |
2465 | } | |
2466 | } | |
2467 | ||
2468 | BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name, | |
2469 | hw_name ? : "BCM", (subver & 0x7000) >> 13, | |
2470 | (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); | |
2471 | ||
2472 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%4.4x-%4.4x.hcd", | |
2473 | hw_name ? : "BCM", | |
2474 | le16_to_cpu(udev->descriptor.idVendor), | |
2475 | le16_to_cpu(udev->descriptor.idProduct)); | |
2476 | ||
2477 | ret = request_firmware(&fw, fw_name, &hdev->dev); | |
2478 | if (ret < 0) { | |
2479 | BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name); | |
2480 | return 0; | |
2481 | } | |
2482 | ||
10d4c673 PG |
2483 | /* Start Download */ |
2484 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); | |
2485 | if (IS_ERR(skb)) { | |
2486 | ret = PTR_ERR(skb); | |
2487 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", | |
89e7533d | 2488 | hdev->name, ret); |
10d4c673 PG |
2489 | goto reset_fw; |
2490 | } | |
2491 | kfree_skb(skb); | |
2492 | ||
2493 | /* 50 msec delay after Download Minidrv completes */ | |
2494 | msleep(50); | |
2495 | ||
2496 | fw_ptr = fw->data; | |
2497 | fw_size = fw->size; | |
2498 | ||
2499 | while (fw_size >= sizeof(*cmd)) { | |
89e7533d | 2500 | cmd = (struct hci_command_hdr *)fw_ptr; |
10d4c673 PG |
2501 | fw_ptr += sizeof(*cmd); |
2502 | fw_size -= sizeof(*cmd); | |
2503 | ||
2504 | if (fw_size < cmd->plen) { | |
2505 | BT_ERR("%s: BCM: patch %s is corrupted", | |
89e7533d | 2506 | hdev->name, fw_name); |
10d4c673 PG |
2507 | ret = -EINVAL; |
2508 | goto reset_fw; | |
2509 | } | |
2510 | ||
2511 | cmd_param = fw_ptr; | |
2512 | fw_ptr += cmd->plen; | |
2513 | fw_size -= cmd->plen; | |
2514 | ||
2515 | opcode = le16_to_cpu(cmd->opcode); | |
2516 | ||
2517 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, | |
2518 | HCI_INIT_TIMEOUT); | |
2519 | if (IS_ERR(skb)) { | |
2520 | ret = PTR_ERR(skb); | |
2521 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", | |
89e7533d | 2522 | hdev->name, opcode, ret); |
10d4c673 PG |
2523 | goto reset_fw; |
2524 | } | |
2525 | kfree_skb(skb); | |
2526 | } | |
2527 | ||
2528 | /* 250 msec delay after Launch Ram completes */ | |
2529 | msleep(250); | |
2530 | ||
2531 | reset_fw: | |
2532 | /* Reset */ | |
2533 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2534 | if (IS_ERR(skb)) { | |
2535 | ret = PTR_ERR(skb); | |
2536 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
2537 | goto done; | |
2538 | } | |
2539 | kfree_skb(skb); | |
2540 | ||
2541 | /* Read Local Version Info */ | |
6576fe4a | 2542 | skb = btusb_read_local_version(hdev); |
10d4c673 PG |
2543 | if (IS_ERR(skb)) { |
2544 | ret = PTR_ERR(skb); | |
10d4c673 PG |
2545 | goto done; |
2546 | } | |
2547 | ||
89e7533d | 2548 | ver = (struct hci_rp_read_local_version *)skb->data; |
18835dfa MH |
2549 | rev = le16_to_cpu(ver->hci_rev); |
2550 | subver = le16_to_cpu(ver->lmp_subver); | |
10d4c673 PG |
2551 | kfree_skb(skb); |
2552 | ||
18835dfa MH |
2553 | BT_INFO("%s: %s (%3.3u.%3.3u.%3.3u) build %4.4u", hdev->name, |
2554 | hw_name ? : "BCM", (subver & 0x7000) >> 13, | |
2555 | (subver & 0x1f00) >> 8, (subver & 0x00ff), rev & 0x0fff); | |
2556 | ||
c8abb73f MH |
2557 | /* Read BD Address */ |
2558 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
2559 | HCI_INIT_TIMEOUT); | |
2560 | if (IS_ERR(skb)) { | |
2561 | ret = PTR_ERR(skb); | |
2562 | BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)", | |
89e7533d | 2563 | hdev->name, ret); |
c8abb73f MH |
2564 | goto done; |
2565 | } | |
2566 | ||
2567 | if (skb->len != sizeof(*bda)) { | |
2568 | BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch", | |
89e7533d | 2569 | hdev->name); |
c8abb73f MH |
2570 | kfree_skb(skb); |
2571 | ret = -EIO; | |
2572 | goto done; | |
2573 | } | |
2574 | ||
89e7533d | 2575 | bda = (struct hci_rp_read_bd_addr *)skb->data; |
c8abb73f MH |
2576 | if (bda->status) { |
2577 | BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)", | |
2578 | hdev->name, bda->status); | |
2579 | kfree_skb(skb); | |
2580 | ret = -bt_to_errno(bda->status); | |
2581 | goto done; | |
2582 | } | |
2583 | ||
2584 | /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller | |
2585 | * with no configured address. | |
2586 | */ | |
849e5086 | 2587 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) { |
c8abb73f MH |
2588 | BT_INFO("%s: BCM: using default device address (%pMR)", |
2589 | hdev->name, &bda->bdaddr); | |
849e5086 MH |
2590 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
2591 | } | |
c8abb73f MH |
2592 | |
2593 | kfree_skb(skb); | |
2594 | ||
10d4c673 PG |
2595 | done: |
2596 | release_firmware(fw); | |
2597 | ||
2598 | return ret; | |
2599 | } | |
2600 | ||
abbaf50e MH |
2601 | static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
2602 | { | |
2603 | struct sk_buff *skb; | |
2604 | long ret; | |
2605 | ||
2606 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); | |
2607 | if (IS_ERR(skb)) { | |
2608 | ret = PTR_ERR(skb); | |
2609 | BT_ERR("%s: BCM: Change address command failed (%ld)", | |
89e7533d | 2610 | hdev->name, ret); |
abbaf50e MH |
2611 | return ret; |
2612 | } | |
2613 | kfree_skb(skb); | |
2614 | ||
2615 | return 0; | |
2616 | } | |
2617 | ||
5859223e TK |
2618 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
2619 | const bdaddr_t *bdaddr) | |
2620 | { | |
2621 | struct sk_buff *skb; | |
2622 | u8 buf[10]; | |
2623 | long ret; | |
2624 | ||
2625 | buf[0] = 0x01; | |
2626 | buf[1] = 0x01; | |
2627 | buf[2] = 0x00; | |
2628 | buf[3] = sizeof(bdaddr_t); | |
2629 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
2630 | ||
2631 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2632 | if (IS_ERR(skb)) { | |
2633 | ret = PTR_ERR(skb); | |
2634 | BT_ERR("%s: Change address command failed (%ld)", | |
2635 | hdev->name, ret); | |
2636 | return ret; | |
2637 | } | |
2638 | kfree_skb(skb); | |
2639 | ||
2640 | return 0; | |
2641 | } | |
2642 | ||
3267c884 KBYT |
2643 | #define QCA_DFU_PACKET_LEN 4096 |
2644 | ||
2645 | #define QCA_GET_TARGET_VERSION 0x09 | |
2646 | #define QCA_CHECK_STATUS 0x05 | |
2647 | #define QCA_DFU_DOWNLOAD 0x01 | |
2648 | ||
2649 | #define QCA_SYSCFG_UPDATED 0x40 | |
2650 | #define QCA_PATCH_UPDATED 0x80 | |
2651 | #define QCA_DFU_TIMEOUT 3000 | |
2652 | ||
2653 | struct qca_version { | |
2654 | __le32 rom_version; | |
2655 | __le32 patch_version; | |
2656 | __le32 ram_version; | |
2657 | __le32 ref_clock; | |
2658 | __u8 reserved[4]; | |
2659 | } __packed; | |
2660 | ||
2661 | struct qca_rampatch_version { | |
2662 | __le16 rom_version; | |
2663 | __le16 patch_version; | |
2664 | } __packed; | |
2665 | ||
2666 | struct qca_device_info { | |
bf906b3d KBYT |
2667 | u32 rom_version; |
2668 | u8 rampatch_hdr; /* length of header in rampatch */ | |
2669 | u8 nvm_hdr; /* length of header in NVM */ | |
2670 | u8 ver_offset; /* offset of version structure in rampatch */ | |
3267c884 KBYT |
2671 | }; |
2672 | ||
2673 | static const struct qca_device_info qca_devices_table[] = { | |
2674 | { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ | |
2675 | { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ | |
2676 | { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ | |
2677 | { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ | |
2678 | { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ | |
2679 | }; | |
2680 | ||
2681 | static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request, | |
2682 | void *data, u16 size) | |
2683 | { | |
2684 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2685 | struct usb_device *udev = btdata->udev; | |
2686 | int pipe, err; | |
2687 | u8 *buf; | |
2688 | ||
2689 | buf = kmalloc(size, GFP_KERNEL); | |
2690 | if (!buf) | |
2691 | return -ENOMEM; | |
2692 | ||
2693 | /* Found some of USB hosts have IOT issues with ours so that we should | |
2694 | * not wait until HCI layer is ready. | |
2695 | */ | |
2696 | pipe = usb_rcvctrlpipe(udev, 0); | |
2697 | err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, | |
2698 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2699 | if (err < 0) { | |
2700 | BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err); | |
2701 | goto done; | |
2702 | } | |
2703 | ||
2704 | memcpy(data, buf, size); | |
2705 | ||
2706 | done: | |
2707 | kfree(buf); | |
2708 | ||
2709 | return err; | |
2710 | } | |
2711 | ||
2712 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, | |
2713 | const struct firmware *firmware, | |
2714 | size_t hdr_size) | |
2715 | { | |
2716 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2717 | struct usb_device *udev = btdata->udev; | |
2718 | size_t count, size, sent = 0; | |
2719 | int pipe, len, err; | |
2720 | u8 *buf; | |
2721 | ||
2722 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); | |
2723 | if (!buf) | |
2724 | return -ENOMEM; | |
2725 | ||
2726 | count = firmware->size; | |
2727 | ||
2728 | size = min_t(size_t, count, hdr_size); | |
2729 | memcpy(buf, firmware->data, size); | |
2730 | ||
2731 | /* USB patches should go down to controller through USB path | |
2732 | * because binary format fits to go down through USB channel. | |
2733 | * USB control path is for patching headers and USB bulk is for | |
2734 | * patch body. | |
2735 | */ | |
2736 | pipe = usb_sndctrlpipe(udev, 0); | |
2737 | err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, | |
2738 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2739 | if (err < 0) { | |
2740 | BT_ERR("%s: Failed to send headers (%d)", hdev->name, err); | |
2741 | goto done; | |
2742 | } | |
2743 | ||
2744 | sent += size; | |
2745 | count -= size; | |
2746 | ||
2747 | while (count) { | |
2748 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); | |
2749 | ||
2750 | memcpy(buf, firmware->data + sent, size); | |
2751 | ||
2752 | pipe = usb_sndbulkpipe(udev, 0x02); | |
2753 | err = usb_bulk_msg(udev, pipe, buf, size, &len, | |
2754 | QCA_DFU_TIMEOUT); | |
2755 | if (err < 0) { | |
2756 | BT_ERR("%s: Failed to send body at %zd of %zd (%d)", | |
2757 | hdev->name, sent, firmware->size, err); | |
2758 | break; | |
2759 | } | |
2760 | ||
2761 | if (size != len) { | |
2762 | BT_ERR("%s: Failed to get bulk buffer", hdev->name); | |
2763 | err = -EILSEQ; | |
2764 | break; | |
2765 | } | |
2766 | ||
2767 | sent += size; | |
2768 | count -= size; | |
2769 | } | |
2770 | ||
2771 | done: | |
2772 | kfree(buf); | |
2773 | return err; | |
2774 | } | |
2775 | ||
2776 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, | |
2777 | struct qca_version *ver, | |
2778 | const struct qca_device_info *info) | |
2779 | { | |
2780 | struct qca_rampatch_version *rver; | |
2781 | const struct firmware *fw; | |
bf906b3d KBYT |
2782 | u32 ver_rom, ver_patch; |
2783 | u16 rver_rom, rver_patch; | |
3267c884 KBYT |
2784 | char fwname[64]; |
2785 | int err; | |
2786 | ||
bf906b3d KBYT |
2787 | ver_rom = le32_to_cpu(ver->rom_version); |
2788 | ver_patch = le32_to_cpu(ver->patch_version); | |
2789 | ||
2790 | snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); | |
3267c884 KBYT |
2791 | |
2792 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2793 | if (err) { | |
2794 | BT_ERR("%s: failed to request rampatch file: %s (%d)", | |
2795 | hdev->name, fwname, err); | |
2796 | return err; | |
2797 | } | |
2798 | ||
2799 | BT_INFO("%s: using rampatch file: %s", hdev->name, fwname); | |
bf906b3d | 2800 | |
3267c884 | 2801 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
bf906b3d KBYT |
2802 | rver_rom = le16_to_cpu(rver->rom_version); |
2803 | rver_patch = le16_to_cpu(rver->patch_version); | |
2804 | ||
3267c884 | 2805 | BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x " |
bf906b3d KBYT |
2806 | "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom, |
2807 | ver_patch); | |
3267c884 | 2808 | |
bf906b3d | 2809 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
3267c884 KBYT |
2810 | BT_ERR("%s: rampatch file version did not match with firmware", |
2811 | hdev->name); | |
2812 | err = -EINVAL; | |
2813 | goto done; | |
2814 | } | |
2815 | ||
2816 | err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); | |
2817 | ||
2818 | done: | |
2819 | release_firmware(fw); | |
2820 | ||
2821 | return err; | |
2822 | } | |
2823 | ||
2824 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, | |
2825 | struct qca_version *ver, | |
2826 | const struct qca_device_info *info) | |
2827 | { | |
2828 | const struct firmware *fw; | |
2829 | char fwname[64]; | |
2830 | int err; | |
2831 | ||
2832 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", | |
2833 | le32_to_cpu(ver->rom_version)); | |
2834 | ||
2835 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2836 | if (err) { | |
2837 | BT_ERR("%s: failed to request NVM file: %s (%d)", | |
2838 | hdev->name, fwname, err); | |
2839 | return err; | |
2840 | } | |
2841 | ||
2842 | BT_INFO("%s: using NVM file: %s", hdev->name, fwname); | |
2843 | ||
2844 | err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); | |
2845 | ||
2846 | release_firmware(fw); | |
2847 | ||
2848 | return err; | |
2849 | } | |
2850 | ||
2851 | static int btusb_setup_qca(struct hci_dev *hdev) | |
2852 | { | |
2853 | const struct qca_device_info *info = NULL; | |
2854 | struct qca_version ver; | |
bf906b3d | 2855 | u32 ver_rom; |
3267c884 KBYT |
2856 | u8 status; |
2857 | int i, err; | |
2858 | ||
2859 | err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver, | |
2860 | sizeof(ver)); | |
2861 | if (err < 0) | |
2862 | return err; | |
2863 | ||
bf906b3d | 2864 | ver_rom = le32_to_cpu(ver.rom_version); |
3267c884 | 2865 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
bf906b3d | 2866 | if (ver_rom == qca_devices_table[i].rom_version) |
3267c884 KBYT |
2867 | info = &qca_devices_table[i]; |
2868 | } | |
2869 | if (!info) { | |
2870 | BT_ERR("%s: don't support firmware rome 0x%x", hdev->name, | |
bf906b3d | 2871 | ver_rom); |
3267c884 KBYT |
2872 | return -ENODEV; |
2873 | } | |
2874 | ||
2875 | err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status, | |
2876 | sizeof(status)); | |
2877 | if (err < 0) | |
2878 | return err; | |
2879 | ||
2880 | if (!(status & QCA_PATCH_UPDATED)) { | |
2881 | err = btusb_setup_qca_load_rampatch(hdev, &ver, info); | |
2882 | if (err < 0) | |
2883 | return err; | |
2884 | } | |
2885 | ||
2886 | if (!(status & QCA_SYSCFG_UPDATED)) { | |
2887 | err = btusb_setup_qca_load_nvm(hdev, &ver, info); | |
2888 | if (err < 0) | |
2889 | return err; | |
2890 | } | |
2891 | ||
2892 | return 0; | |
2893 | } | |
2894 | ||
5e23b923 | 2895 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 2896 | const struct usb_device_id *id) |
5e23b923 MH |
2897 | { |
2898 | struct usb_endpoint_descriptor *ep_desc; | |
2899 | struct btusb_data *data; | |
2900 | struct hci_dev *hdev; | |
2901 | int i, err; | |
2902 | ||
2903 | BT_DBG("intf %p id %p", intf, id); | |
2904 | ||
cfeb4145 | 2905 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
2906 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
2907 | return -ENODEV; | |
2908 | ||
2909 | if (!id->driver_info) { | |
2910 | const struct usb_device_id *match; | |
89e7533d | 2911 | |
5e23b923 MH |
2912 | match = usb_match_id(intf, blacklist_table); |
2913 | if (match) | |
2914 | id = match; | |
2915 | } | |
2916 | ||
cfeb4145 MH |
2917 | if (id->driver_info == BTUSB_IGNORE) |
2918 | return -ENODEV; | |
2919 | ||
2d25f8b4 SL |
2920 | if (id->driver_info & BTUSB_ATH3012) { |
2921 | struct usb_device *udev = interface_to_usbdev(intf); | |
2922 | ||
2923 | /* Old firmware would otherwise let ath3k driver load | |
2924 | * patch and sysconfig files */ | |
2925 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
2926 | return -ENODEV; | |
2927 | } | |
2928 | ||
98921dbd | 2929 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
2930 | if (!data) |
2931 | return -ENOMEM; | |
2932 | ||
2933 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2934 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2935 | ||
2936 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
2937 | data->intr_ep = ep_desc; | |
2938 | continue; | |
2939 | } | |
2940 | ||
2941 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2942 | data->bulk_tx_ep = ep_desc; | |
2943 | continue; | |
2944 | } | |
2945 | ||
2946 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2947 | data->bulk_rx_ep = ep_desc; | |
2948 | continue; | |
2949 | } | |
2950 | } | |
2951 | ||
98921dbd | 2952 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 2953 | return -ENODEV; |
5e23b923 | 2954 | |
893ba544 MH |
2955 | if (id->driver_info & BTUSB_AMP) { |
2956 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; | |
2957 | data->cmdreq = 0x2b; | |
2958 | } else { | |
2959 | data->cmdreq_type = USB_TYPE_CLASS; | |
2960 | data->cmdreq = 0x00; | |
2961 | } | |
7a9d4020 | 2962 | |
5e23b923 | 2963 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2964 | data->intf = intf; |
5e23b923 | 2965 | |
5e23b923 | 2966 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2967 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2968 | init_usb_anchor(&data->deferred); |
2969 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2970 | spin_lock_init(&data->txlock); |
5e23b923 | 2971 | |
5e23b923 MH |
2972 | init_usb_anchor(&data->intr_anchor); |
2973 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 2974 | init_usb_anchor(&data->isoc_anchor); |
803b5836 | 2975 | spin_lock_init(&data->rxlock); |
5e23b923 | 2976 | |
cda0dd78 MH |
2977 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2978 | data->recv_event = btusb_recv_event_intel; | |
2979 | data->recv_bulk = btusb_recv_bulk_intel; | |
2980 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
2981 | } else { | |
2982 | data->recv_event = hci_recv_frame; | |
2983 | data->recv_bulk = btusb_recv_bulk; | |
2984 | } | |
2cbd3f5c | 2985 | |
5e23b923 | 2986 | hdev = hci_alloc_dev(); |
98921dbd | 2987 | if (!hdev) |
5e23b923 | 2988 | return -ENOMEM; |
5e23b923 | 2989 | |
c13854ce | 2990 | hdev->bus = HCI_USB; |
155961e8 | 2991 | hci_set_drvdata(hdev, data); |
5e23b923 | 2992 | |
893ba544 MH |
2993 | if (id->driver_info & BTUSB_AMP) |
2994 | hdev->dev_type = HCI_AMP; | |
2995 | else | |
2996 | hdev->dev_type = HCI_BREDR; | |
2997 | ||
5e23b923 MH |
2998 | data->hdev = hdev; |
2999 | ||
3000 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
3001 | ||
9f8f962c MH |
3002 | hdev->open = btusb_open; |
3003 | hdev->close = btusb_close; | |
3004 | hdev->flush = btusb_flush; | |
3005 | hdev->send = btusb_send_frame; | |
3006 | hdev->notify = btusb_notify; | |
3007 | ||
3008 | if (id->driver_info & BTUSB_BCM92035) | |
3009 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 3010 | |
abbaf50e | 3011 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
10d4c673 | 3012 | hdev->setup = btusb_setup_bcm_patchram; |
abbaf50e | 3013 | hdev->set_bdaddr = btusb_set_bdaddr_bcm; |
27c3fbe0 | 3014 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
abbaf50e | 3015 | } |
10d4c673 | 3016 | |
cb8d6597 | 3017 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 3018 | hdev->setup = btusb_setup_intel; |
bfbd45e9 | 3019 | hdev->shutdown = btusb_shutdown_intel; |
cb8d6597 | 3020 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
c33fb9b4 | 3021 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
cb8d6597 | 3022 | } |
dffd30ee | 3023 | |
cda0dd78 MH |
3024 | if (id->driver_info & BTUSB_INTEL_NEW) { |
3025 | hdev->send = btusb_send_frame_intel; | |
3026 | hdev->setup = btusb_setup_intel_new; | |
385a768c | 3027 | hdev->hw_error = btusb_hw_error_intel; |
cda0dd78 | 3028 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
b970c5ba | 3029 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
cda0dd78 MH |
3030 | } |
3031 | ||
ae8df494 AK |
3032 | if (id->driver_info & BTUSB_MARVELL) |
3033 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
3034 | ||
661cf88a MH |
3035 | if (id->driver_info & BTUSB_SWAVE) { |
3036 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
d57dbe77 | 3037 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
661cf88a | 3038 | } |
d57dbe77 | 3039 | |
40df783d MH |
3040 | if (id->driver_info & BTUSB_INTEL_BOOT) |
3041 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
3042 | ||
79f0c87d | 3043 | if (id->driver_info & BTUSB_ATH3012) { |
5859223e | 3044 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
79f0c87d JP |
3045 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
3046 | } | |
5859223e | 3047 | |
3267c884 KBYT |
3048 | if (id->driver_info & BTUSB_QCA_ROME) { |
3049 | data->setup_on_usb = btusb_setup_qca; | |
3050 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
3051 | } | |
3052 | ||
893ba544 MH |
3053 | if (id->driver_info & BTUSB_AMP) { |
3054 | /* AMP controllers do not support SCO packets */ | |
3055 | data->isoc = NULL; | |
3056 | } else { | |
3057 | /* Interface numbers are hardcoded in the specification */ | |
3058 | data->isoc = usb_ifnum_to_if(data->udev, 1); | |
3059 | } | |
9bfa35fe | 3060 | |
7a9d4020 | 3061 | if (!reset) |
a6c511c6 | 3062 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
3063 | |
3064 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
3065 | if (!disable_scofix) | |
3066 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
3067 | } | |
3068 | ||
9bfa35fe MH |
3069 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
3070 | data->isoc = NULL; | |
3071 | ||
7a9d4020 MH |
3072 | if (id->driver_info & BTUSB_DIGIANSWER) { |
3073 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 3074 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
3075 | } |
3076 | ||
3077 | if (id->driver_info & BTUSB_CSR) { | |
3078 | struct usb_device *udev = data->udev; | |
81cac64b | 3079 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
3080 | |
3081 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 3082 | if (bcdDevice < 0x117) |
a6c511c6 | 3083 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
3084 | |
3085 | /* Fake CSR devices with broken commands */ | |
3086 | if (bcdDevice <= 0x100) | |
3087 | hdev->setup = btusb_setup_csr; | |
7a9d4020 MH |
3088 | } |
3089 | ||
cfeb4145 | 3090 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 3091 | struct usb_device *udev = data->udev; |
cfeb4145 | 3092 | |
7a9d4020 | 3093 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
3094 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
3095 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
3096 | } | |
3097 | ||
3a5ef20c MH |
3098 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
3099 | /* A bug in the bootloader causes that interrupt interface is | |
3100 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
3101 | */ | |
3102 | err = usb_set_interface(data->udev, 0, 0); | |
3103 | if (err < 0) { | |
3104 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
3105 | hci_free_dev(hdev); | |
3106 | return err; | |
3107 | } | |
3108 | } | |
3109 | ||
9bfa35fe MH |
3110 | if (data->isoc) { |
3111 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 3112 | data->isoc, data); |
9bfa35fe MH |
3113 | if (err < 0) { |
3114 | hci_free_dev(hdev); | |
9bfa35fe MH |
3115 | return err; |
3116 | } | |
3117 | } | |
3118 | ||
5e23b923 MH |
3119 | err = hci_register_dev(hdev); |
3120 | if (err < 0) { | |
3121 | hci_free_dev(hdev); | |
5e23b923 MH |
3122 | return err; |
3123 | } | |
3124 | ||
3125 | usb_set_intfdata(intf, data); | |
3126 | ||
3127 | return 0; | |
3128 | } | |
3129 | ||
3130 | static void btusb_disconnect(struct usb_interface *intf) | |
3131 | { | |
3132 | struct btusb_data *data = usb_get_intfdata(intf); | |
3133 | struct hci_dev *hdev; | |
3134 | ||
3135 | BT_DBG("intf %p", intf); | |
3136 | ||
3137 | if (!data) | |
3138 | return; | |
3139 | ||
3140 | hdev = data->hdev; | |
5fbcd260 MH |
3141 | usb_set_intfdata(data->intf, NULL); |
3142 | ||
3143 | if (data->isoc) | |
3144 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
3145 | |
3146 | hci_unregister_dev(hdev); | |
3147 | ||
5fbcd260 MH |
3148 | if (intf == data->isoc) |
3149 | usb_driver_release_interface(&btusb_driver, data->intf); | |
3150 | else if (data->isoc) | |
3151 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
3152 | ||
5e23b923 MH |
3153 | hci_free_dev(hdev); |
3154 | } | |
3155 | ||
7bee549e | 3156 | #ifdef CONFIG_PM |
6a88adf2 MH |
3157 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
3158 | { | |
3159 | struct btusb_data *data = usb_get_intfdata(intf); | |
3160 | ||
3161 | BT_DBG("intf %p", intf); | |
3162 | ||
3163 | if (data->suspend_count++) | |
3164 | return 0; | |
3165 | ||
7bee549e | 3166 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 3167 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
3168 | set_bit(BTUSB_SUSPENDING, &data->flags); |
3169 | spin_unlock_irq(&data->txlock); | |
3170 | } else { | |
3171 | spin_unlock_irq(&data->txlock); | |
3172 | data->suspend_count--; | |
3173 | return -EBUSY; | |
3174 | } | |
3175 | ||
6a88adf2 MH |
3176 | cancel_work_sync(&data->work); |
3177 | ||
7bee549e | 3178 | btusb_stop_traffic(data); |
6a88adf2 MH |
3179 | usb_kill_anchored_urbs(&data->tx_anchor); |
3180 | ||
6a88adf2 MH |
3181 | return 0; |
3182 | } | |
3183 | ||
7bee549e ON |
3184 | static void play_deferred(struct btusb_data *data) |
3185 | { | |
3186 | struct urb *urb; | |
3187 | int err; | |
3188 | ||
3189 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
3190 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
3191 | if (err < 0) | |
3192 | break; | |
3193 | ||
3194 | data->tx_in_flight++; | |
3195 | } | |
3196 | usb_scuttle_anchored_urbs(&data->deferred); | |
3197 | } | |
3198 | ||
6a88adf2 MH |
3199 | static int btusb_resume(struct usb_interface *intf) |
3200 | { | |
3201 | struct btusb_data *data = usb_get_intfdata(intf); | |
3202 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 3203 | int err = 0; |
6a88adf2 MH |
3204 | |
3205 | BT_DBG("intf %p", intf); | |
3206 | ||
3207 | if (--data->suspend_count) | |
3208 | return 0; | |
3209 | ||
3210 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 3211 | goto done; |
6a88adf2 MH |
3212 | |
3213 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
3214 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
3215 | if (err < 0) { | |
3216 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 3217 | goto failed; |
6a88adf2 MH |
3218 | } |
3219 | } | |
3220 | ||
3221 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
3222 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
3223 | if (err < 0) { | |
6a88adf2 | 3224 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
3225 | goto failed; |
3226 | } | |
3227 | ||
3228 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
3229 | } |
3230 | ||
3231 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
3232 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
3233 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
3234 | else | |
3235 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
3236 | } | |
3237 | ||
7bee549e ON |
3238 | spin_lock_irq(&data->txlock); |
3239 | play_deferred(data); | |
3240 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
3241 | spin_unlock_irq(&data->txlock); | |
3242 | schedule_work(&data->work); | |
3243 | ||
6a88adf2 | 3244 | return 0; |
7bee549e ON |
3245 | |
3246 | failed: | |
3247 | usb_scuttle_anchored_urbs(&data->deferred); | |
3248 | done: | |
3249 | spin_lock_irq(&data->txlock); | |
3250 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
3251 | spin_unlock_irq(&data->txlock); | |
3252 | ||
3253 | return err; | |
6a88adf2 | 3254 | } |
7bee549e | 3255 | #endif |
6a88adf2 | 3256 | |
5e23b923 MH |
3257 | static struct usb_driver btusb_driver = { |
3258 | .name = "btusb", | |
3259 | .probe = btusb_probe, | |
3260 | .disconnect = btusb_disconnect, | |
7bee549e | 3261 | #ifdef CONFIG_PM |
6a88adf2 MH |
3262 | .suspend = btusb_suspend, |
3263 | .resume = btusb_resume, | |
7bee549e | 3264 | #endif |
5e23b923 | 3265 | .id_table = btusb_table, |
7bee549e | 3266 | .supports_autosuspend = 1, |
e1f12eb6 | 3267 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
3268 | }; |
3269 | ||
93f1508c | 3270 | module_usb_driver(btusb_driver); |
5e23b923 | 3271 | |
cfeb4145 MH |
3272 | module_param(disable_scofix, bool, 0644); |
3273 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
3274 | ||
3275 | module_param(force_scofix, bool, 0644); | |
3276 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
3277 | ||
3278 | module_param(reset, bool, 0644); | |
3279 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
3280 | ||
5e23b923 MH |
3281 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
3282 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
3283 | MODULE_VERSION(VERSION); | |
3284 | MODULE_LICENSE("GPL"); |