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Commit | Line | Data |
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5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 25 | #include <linux/usb.h> |
dffd30ee | 26 | #include <linux/firmware.h> |
a2698a9b | 27 | #include <asm/unaligned.h> |
5e23b923 MH |
28 | |
29 | #include <net/bluetooth/bluetooth.h> | |
30 | #include <net/bluetooth/hci_core.h> | |
31 | ||
4185a0f5 | 32 | #include "btintel.h" |
1df1f591 | 33 | #include "btbcm.h" |
db33c77d | 34 | #include "btrtl.h" |
1df1f591 | 35 | |
34dced9b | 36 | #define VERSION "0.8" |
cfeb4145 | 37 | |
90ab5ee9 RR |
38 | static bool disable_scofix; |
39 | static bool force_scofix; | |
7a9d4020 | 40 | |
917a3337 | 41 | static bool reset = true; |
cfeb4145 MH |
42 | |
43 | static struct usb_driver btusb_driver; | |
44 | ||
45 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
46 | #define BTUSB_DIGIANSWER 0x02 |
47 | #define BTUSB_CSR 0x04 | |
48 | #define BTUSB_SNIFFER 0x08 | |
49 | #define BTUSB_BCM92035 0x10 | |
50 | #define BTUSB_BROKEN_ISOC 0x20 | |
51 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 52 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 53 | #define BTUSB_INTEL 0x100 |
40df783d MH |
54 | #define BTUSB_INTEL_BOOT 0x200 |
55 | #define BTUSB_BCM_PATCHRAM 0x400 | |
ae8df494 | 56 | #define BTUSB_MARVELL 0x800 |
4fcef8ed | 57 | #define BTUSB_SWAVE 0x1000 |
cda0dd78 | 58 | #define BTUSB_INTEL_NEW 0x2000 |
893ba544 | 59 | #define BTUSB_AMP 0x4000 |
3267c884 | 60 | #define BTUSB_QCA_ROME 0x8000 |
17b2772b | 61 | #define BTUSB_BCM_APPLE 0x10000 |
a2698a9b | 62 | #define BTUSB_REALTEK 0x20000 |
5e23b923 | 63 | |
54265202 | 64 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
65 | /* Generic Bluetooth USB device */ |
66 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
67 | ||
893ba544 MH |
68 | /* Generic Bluetooth AMP device */ |
69 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, | |
70 | ||
d63b2826 DD |
71 | /* Generic Bluetooth USB interface */ |
72 | { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) }, | |
73 | ||
1fa6535f | 74 | /* Apple-specific (Broadcom) devices */ |
17b2772b MH |
75 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), |
76 | .driver_info = BTUSB_BCM_APPLE }, | |
1fa6535f | 77 | |
178c059e CYC |
78 | /* MediaTek MT76x0E */ |
79 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
80 | ||
c510eae3 | 81 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 82 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 83 | |
3cd01976 NI |
84 | /* Apple MacBookPro 7,1 */ |
85 | { USB_DEVICE(0x05ac, 0x8213) }, | |
86 | ||
0a79f674 CL |
87 | /* Apple iMac11,1 */ |
88 | { USB_DEVICE(0x05ac, 0x8215) }, | |
89 | ||
9c047157 NI |
90 | /* Apple MacBookPro6,2 */ |
91 | { USB_DEVICE(0x05ac, 0x8218) }, | |
92 | ||
3e3ede7d EH |
93 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
94 | { USB_DEVICE(0x05ac, 0x821b) }, | |
95 | ||
a63b723d PAVM |
96 | /* Apple MacBookAir4,1 */ |
97 | { USB_DEVICE(0x05ac, 0x821f) }, | |
98 | ||
88d377b6 MAP |
99 | /* Apple MacBookPro8,2 */ |
100 | { USB_DEVICE(0x05ac, 0x821a) }, | |
101 | ||
f78b6826 JK |
102 | /* Apple MacMini5,1 */ |
103 | { USB_DEVICE(0x05ac, 0x8281) }, | |
104 | ||
cfeb4145 | 105 | /* AVM BlueFRITZ! USB v2.0 */ |
4fcef8ed | 106 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
cfeb4145 MH |
107 | |
108 | /* Bluetooth Ultraport Module from IBM */ | |
109 | { USB_DEVICE(0x04bf, 0x030a) }, | |
110 | ||
111 | /* ALPS Modules with non-standard id */ | |
112 | { USB_DEVICE(0x044e, 0x3001) }, | |
113 | { USB_DEVICE(0x044e, 0x3002) }, | |
114 | ||
115 | /* Ericsson with non-standard id */ | |
116 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
117 | ||
118 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 119 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 120 | |
d13431ca WJS |
121 | /* Broadcom BCM20702A0 */ |
122 | { USB_DEVICE(0x413c, 0x8197) }, | |
123 | ||
d049f4e5 MH |
124 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
125 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, | |
126 | ||
98514036 | 127 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
128 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
129 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 130 | |
8f0c304c MD |
131 | /* Lite-On Technology - Broadcom based */ |
132 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), | |
133 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
134 | ||
0b880062 | 135 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
136 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
137 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 138 | |
c2aef6e8 | 139 | /* ASUSTek Computer - Broadcom based */ |
9a5abdaa RD |
140 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
141 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
c2aef6e8 | 142 | |
5bcecf32 | 143 | /* Belkin F8065bf - Broadcom based */ |
6331c686 MH |
144 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), |
145 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
5bcecf32 | 146 | |
9113bfd8 | 147 | /* IMC Networks - Broadcom based */ |
6331c686 MH |
148 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), |
149 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
9113bfd8 | 150 | |
40df783d | 151 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
152 | { USB_DEVICE(0x8087, 0x0a5a), |
153 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 154 | |
5e23b923 MH |
155 | { } /* Terminating entry */ |
156 | }; | |
157 | ||
158 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
159 | ||
54265202 | 160 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
161 | /* CSR BlueCore devices */ |
162 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
163 | ||
164 | /* Broadcom BCM2033 without firmware */ | |
165 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
166 | ||
be93112a | 167 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
168 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
169 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
2eeff0b4 | 170 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, |
0b880062 | 171 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 172 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 173 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 174 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 175 | |
509e7861 CYC |
176 | /* Atheros AR9285 Malbec with sflash firmware */ |
177 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
178 | ||
d9f51b51 | 179 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
180 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
181 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
182 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
183 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
184 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
692c062e | 185 | { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, |
4b552bc9 | 186 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
187 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
188 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
189 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
190 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 191 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
192 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
193 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
7e730c7f | 194 | { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, |
ec0810d2 | 195 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, |
134d3b35 | 196 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
197 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
198 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
89d2975f | 199 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 200 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 201 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 202 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 203 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 204 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 205 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 206 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 207 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 208 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 209 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 210 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 211 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
ca79f232 | 212 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
213 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
214 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 215 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 216 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 217 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
033efa92 | 218 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 219 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
0d0cef61 | 220 | { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 221 | |
e9036e33 CYC |
222 | /* Atheros AR5BBU12 with sflash firmware */ |
223 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
224 | ||
85d59726 | 225 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 226 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 227 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 228 | |
3267c884 | 229 | /* QCA ROME chipset */ |
2054111b | 230 | { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME }, |
c9e44474 MH |
231 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME }, |
232 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME }, | |
3267c884 | 233 | |
cfeb4145 | 234 | /* Broadcom BCM2035 */ |
7a9d4020 | 235 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
236 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
237 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
238 | |
239 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
240 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
241 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 242 | |
cfeb4145 | 243 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
244 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
245 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
246 | |
247 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 248 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
249 | |
250 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 251 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 252 | |
5ddd4a60 | 253 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 254 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 255 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 256 | |
7a9d4020 MH |
257 | /* Belkin F8T012 and F8T013 devices */ |
258 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
259 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 260 | |
5ddd4a60 MH |
261 | /* Asus WL-BTD202 device */ |
262 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
263 | ||
264 | /* Kensington Bluetooth USB adapter */ | |
265 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
266 | ||
cfeb4145 MH |
267 | /* RTX Telecom based adapters with buggy SCO support */ |
268 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
269 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
270 | ||
271 | /* CONWISE Technology based adapters with buggy SCO support */ | |
272 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
273 | ||
4fcef8ed | 274 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
2eeac871 | 275 | { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, |
4fcef8ed | 276 | |
cfeb4145 MH |
277 | /* Digianswer devices */ |
278 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
279 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
280 | ||
281 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
282 | { USB_DEVICE(0x0a12, 0x0002), |
283 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
284 | |
285 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
286 | { USB_DEVICE(0x16d3, 0x0002), |
287 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 288 | |
cb1ee89f MH |
289 | /* Marvell Bluetooth devices */ |
290 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
291 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
292 | ||
d0ac9eb7 | 293 | /* Intel Bluetooth devices */ |
407550fe | 294 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, |
dffd30ee | 295 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
ef4e5e4a | 296 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
cda0dd78 | 297 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, |
dffd30ee | 298 | |
d0ac9eb7 MH |
299 | /* Other Intel Bluetooth devices */ |
300 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), | |
301 | .driver_info = BTUSB_IGNORE }, | |
ae8df494 | 302 | |
a2698a9b DD |
303 | /* Realtek Bluetooth devices */ |
304 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), | |
305 | .driver_info = BTUSB_REALTEK }, | |
306 | ||
307 | /* Additional Realtek 8723AE Bluetooth devices */ | |
308 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, | |
309 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, | |
310 | ||
311 | /* Additional Realtek 8723BE Bluetooth devices */ | |
312 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, | |
313 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, | |
314 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, | |
315 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, | |
316 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, | |
317 | ||
318 | /* Additional Realtek 8821AE Bluetooth devices */ | |
319 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, | |
320 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, | |
321 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, | |
322 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, | |
323 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, | |
324 | ||
4481c076 PP |
325 | /* Silicon Wave based devices */ |
326 | { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, | |
327 | ||
5e23b923 MH |
328 | { } /* Terminating entry */ |
329 | }; | |
330 | ||
9bfa35fe MH |
331 | #define BTUSB_MAX_ISOC_FRAMES 10 |
332 | ||
5e23b923 MH |
333 | #define BTUSB_INTR_RUNNING 0 |
334 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 335 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 336 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 337 | #define BTUSB_DID_ISO_RESUME 4 |
cda0dd78 MH |
338 | #define BTUSB_BOOTLOADER 5 |
339 | #define BTUSB_DOWNLOADING 6 | |
ce6bb929 | 340 | #define BTUSB_FIRMWARE_LOADED 7 |
cda0dd78 | 341 | #define BTUSB_FIRMWARE_FAILED 8 |
ce6bb929 | 342 | #define BTUSB_BOOTING 9 |
04b8c814 | 343 | #define BTUSB_RESET_RESUME 10 |
5e23b923 MH |
344 | |
345 | struct btusb_data { | |
346 | struct hci_dev *hdev; | |
347 | struct usb_device *udev; | |
5fbcd260 | 348 | struct usb_interface *intf; |
9bfa35fe | 349 | struct usb_interface *isoc; |
5e23b923 | 350 | |
5e23b923 MH |
351 | unsigned long flags; |
352 | ||
353 | struct work_struct work; | |
7bee549e | 354 | struct work_struct waker; |
5e23b923 | 355 | |
803b5836 | 356 | struct usb_anchor deferred; |
5e23b923 | 357 | struct usb_anchor tx_anchor; |
803b5836 MH |
358 | int tx_in_flight; |
359 | spinlock_t txlock; | |
360 | ||
5e23b923 MH |
361 | struct usb_anchor intr_anchor; |
362 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 363 | struct usb_anchor isoc_anchor; |
803b5836 MH |
364 | spinlock_t rxlock; |
365 | ||
366 | struct sk_buff *evt_skb; | |
367 | struct sk_buff *acl_skb; | |
368 | struct sk_buff *sco_skb; | |
5e23b923 MH |
369 | |
370 | struct usb_endpoint_descriptor *intr_ep; | |
371 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
372 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
373 | struct usb_endpoint_descriptor *isoc_tx_ep; |
374 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
375 | ||
7a9d4020 | 376 | __u8 cmdreq_type; |
893ba544 | 377 | __u8 cmdreq; |
7a9d4020 | 378 | |
43c2e57f | 379 | unsigned int sco_num; |
9bfa35fe | 380 | int isoc_altsetting; |
6a88adf2 | 381 | int suspend_count; |
2cbd3f5c | 382 | |
97307f51 | 383 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
2cbd3f5c | 384 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
ace31982 KBYT |
385 | |
386 | int (*setup_on_usb)(struct hci_dev *hdev); | |
5e23b923 MH |
387 | }; |
388 | ||
803b5836 MH |
389 | static inline void btusb_free_frags(struct btusb_data *data) |
390 | { | |
391 | unsigned long flags; | |
392 | ||
393 | spin_lock_irqsave(&data->rxlock, flags); | |
394 | ||
395 | kfree_skb(data->evt_skb); | |
396 | data->evt_skb = NULL; | |
397 | ||
398 | kfree_skb(data->acl_skb); | |
399 | data->acl_skb = NULL; | |
400 | ||
401 | kfree_skb(data->sco_skb); | |
402 | data->sco_skb = NULL; | |
403 | ||
404 | spin_unlock_irqrestore(&data->rxlock, flags); | |
405 | } | |
406 | ||
1ffa4ad0 MH |
407 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
408 | { | |
803b5836 MH |
409 | struct sk_buff *skb; |
410 | int err = 0; | |
411 | ||
412 | spin_lock(&data->rxlock); | |
413 | skb = data->evt_skb; | |
414 | ||
415 | while (count) { | |
416 | int len; | |
417 | ||
418 | if (!skb) { | |
419 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
420 | if (!skb) { | |
421 | err = -ENOMEM; | |
422 | break; | |
423 | } | |
424 | ||
425 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
426 | bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE; | |
427 | } | |
428 | ||
429 | len = min_t(uint, bt_cb(skb)->expect, count); | |
430 | memcpy(skb_put(skb, len), buffer, len); | |
431 | ||
432 | count -= len; | |
433 | buffer += len; | |
434 | bt_cb(skb)->expect -= len; | |
435 | ||
436 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
437 | /* Complete event header */ | |
438 | bt_cb(skb)->expect = hci_event_hdr(skb)->plen; | |
439 | ||
440 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
441 | kfree_skb(skb); | |
442 | skb = NULL; | |
443 | ||
444 | err = -EILSEQ; | |
445 | break; | |
446 | } | |
447 | } | |
448 | ||
449 | if (bt_cb(skb)->expect == 0) { | |
450 | /* Complete frame */ | |
97307f51 | 451 | data->recv_event(data->hdev, skb); |
803b5836 MH |
452 | skb = NULL; |
453 | } | |
454 | } | |
455 | ||
456 | data->evt_skb = skb; | |
457 | spin_unlock(&data->rxlock); | |
458 | ||
459 | return err; | |
1ffa4ad0 MH |
460 | } |
461 | ||
462 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
463 | { | |
803b5836 MH |
464 | struct sk_buff *skb; |
465 | int err = 0; | |
466 | ||
467 | spin_lock(&data->rxlock); | |
468 | skb = data->acl_skb; | |
469 | ||
470 | while (count) { | |
471 | int len; | |
472 | ||
473 | if (!skb) { | |
474 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
475 | if (!skb) { | |
476 | err = -ENOMEM; | |
477 | break; | |
478 | } | |
479 | ||
480 | bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; | |
481 | bt_cb(skb)->expect = HCI_ACL_HDR_SIZE; | |
482 | } | |
483 | ||
484 | len = min_t(uint, bt_cb(skb)->expect, count); | |
485 | memcpy(skb_put(skb, len), buffer, len); | |
486 | ||
487 | count -= len; | |
488 | buffer += len; | |
489 | bt_cb(skb)->expect -= len; | |
490 | ||
491 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
492 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
493 | ||
494 | /* Complete ACL header */ | |
495 | bt_cb(skb)->expect = __le16_to_cpu(dlen); | |
496 | ||
497 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
498 | kfree_skb(skb); | |
499 | skb = NULL; | |
500 | ||
501 | err = -EILSEQ; | |
502 | break; | |
503 | } | |
504 | } | |
505 | ||
506 | if (bt_cb(skb)->expect == 0) { | |
507 | /* Complete frame */ | |
508 | hci_recv_frame(data->hdev, skb); | |
509 | skb = NULL; | |
510 | } | |
511 | } | |
512 | ||
513 | data->acl_skb = skb; | |
514 | spin_unlock(&data->rxlock); | |
515 | ||
516 | return err; | |
1ffa4ad0 MH |
517 | } |
518 | ||
519 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
520 | { | |
803b5836 MH |
521 | struct sk_buff *skb; |
522 | int err = 0; | |
523 | ||
524 | spin_lock(&data->rxlock); | |
525 | skb = data->sco_skb; | |
526 | ||
527 | while (count) { | |
528 | int len; | |
529 | ||
530 | if (!skb) { | |
531 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
532 | if (!skb) { | |
533 | err = -ENOMEM; | |
534 | break; | |
535 | } | |
536 | ||
537 | bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; | |
538 | bt_cb(skb)->expect = HCI_SCO_HDR_SIZE; | |
539 | } | |
540 | ||
541 | len = min_t(uint, bt_cb(skb)->expect, count); | |
542 | memcpy(skb_put(skb, len), buffer, len); | |
543 | ||
544 | count -= len; | |
545 | buffer += len; | |
546 | bt_cb(skb)->expect -= len; | |
547 | ||
548 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
549 | /* Complete SCO header */ | |
550 | bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen; | |
551 | ||
552 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
553 | kfree_skb(skb); | |
554 | skb = NULL; | |
555 | ||
556 | err = -EILSEQ; | |
557 | break; | |
558 | } | |
559 | } | |
560 | ||
561 | if (bt_cb(skb)->expect == 0) { | |
562 | /* Complete frame */ | |
563 | hci_recv_frame(data->hdev, skb); | |
564 | skb = NULL; | |
565 | } | |
566 | } | |
567 | ||
568 | data->sco_skb = skb; | |
569 | spin_unlock(&data->rxlock); | |
570 | ||
571 | return err; | |
1ffa4ad0 MH |
572 | } |
573 | ||
5e23b923 MH |
574 | static void btusb_intr_complete(struct urb *urb) |
575 | { | |
576 | struct hci_dev *hdev = urb->context; | |
155961e8 | 577 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
578 | int err; |
579 | ||
89e7533d MH |
580 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
581 | urb->actual_length); | |
5e23b923 MH |
582 | |
583 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
584 | return; | |
585 | ||
586 | if (urb->status == 0) { | |
9bfa35fe MH |
587 | hdev->stat.byte_rx += urb->actual_length; |
588 | ||
1ffa4ad0 MH |
589 | if (btusb_recv_intr(data, urb->transfer_buffer, |
590 | urb->actual_length) < 0) { | |
5e23b923 MH |
591 | BT_ERR("%s corrupted event packet", hdev->name); |
592 | hdev->stat.err_rx++; | |
593 | } | |
85560c4a CC |
594 | } else if (urb->status == -ENOENT) { |
595 | /* Avoid suspend failed when usb_kill_urb */ | |
596 | return; | |
5e23b923 MH |
597 | } |
598 | ||
599 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
600 | return; | |
601 | ||
7bee549e | 602 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
603 | usb_anchor_urb(urb, &data->intr_anchor); |
604 | ||
605 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
606 | if (err < 0) { | |
4935f1c1 PB |
607 | /* -EPERM: urb is being killed; |
608 | * -ENODEV: device got disconnected */ | |
609 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 610 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 611 | hdev->name, urb, -err); |
5e23b923 MH |
612 | usb_unanchor_urb(urb); |
613 | } | |
614 | } | |
615 | ||
2eda66f4 | 616 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 617 | { |
155961e8 | 618 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
619 | struct urb *urb; |
620 | unsigned char *buf; | |
621 | unsigned int pipe; | |
622 | int err, size; | |
623 | ||
624 | BT_DBG("%s", hdev->name); | |
625 | ||
9bfa35fe MH |
626 | if (!data->intr_ep) |
627 | return -ENODEV; | |
628 | ||
2eda66f4 | 629 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
630 | if (!urb) |
631 | return -ENOMEM; | |
632 | ||
633 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
634 | ||
2eda66f4 | 635 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
636 | if (!buf) { |
637 | usb_free_urb(urb); | |
638 | return -ENOMEM; | |
639 | } | |
640 | ||
641 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
642 | ||
643 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 644 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
645 | |
646 | urb->transfer_flags |= URB_FREE_BUFFER; | |
647 | ||
648 | usb_anchor_urb(urb, &data->intr_anchor); | |
649 | ||
2eda66f4 | 650 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 651 | if (err < 0) { |
d4b8d1c9 PB |
652 | if (err != -EPERM && err != -ENODEV) |
653 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 654 | hdev->name, urb, -err); |
5e23b923 | 655 | usb_unanchor_urb(urb); |
5e23b923 MH |
656 | } |
657 | ||
658 | usb_free_urb(urb); | |
659 | ||
660 | return err; | |
661 | } | |
662 | ||
663 | static void btusb_bulk_complete(struct urb *urb) | |
664 | { | |
665 | struct hci_dev *hdev = urb->context; | |
155961e8 | 666 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
667 | int err; |
668 | ||
89e7533d MH |
669 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
670 | urb->actual_length); | |
5e23b923 MH |
671 | |
672 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
673 | return; | |
674 | ||
675 | if (urb->status == 0) { | |
9bfa35fe MH |
676 | hdev->stat.byte_rx += urb->actual_length; |
677 | ||
2cbd3f5c | 678 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 679 | urb->actual_length) < 0) { |
5e23b923 MH |
680 | BT_ERR("%s corrupted ACL packet", hdev->name); |
681 | hdev->stat.err_rx++; | |
682 | } | |
85560c4a CC |
683 | } else if (urb->status == -ENOENT) { |
684 | /* Avoid suspend failed when usb_kill_urb */ | |
685 | return; | |
5e23b923 MH |
686 | } |
687 | ||
688 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
689 | return; | |
690 | ||
691 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 692 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
693 | |
694 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
695 | if (err < 0) { | |
4935f1c1 PB |
696 | /* -EPERM: urb is being killed; |
697 | * -ENODEV: device got disconnected */ | |
698 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 699 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 700 | hdev->name, urb, -err); |
5e23b923 MH |
701 | usb_unanchor_urb(urb); |
702 | } | |
703 | } | |
704 | ||
2eda66f4 | 705 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 706 | { |
155961e8 | 707 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
708 | struct urb *urb; |
709 | unsigned char *buf; | |
710 | unsigned int pipe; | |
290ba200 | 711 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
712 | |
713 | BT_DBG("%s", hdev->name); | |
714 | ||
9bfa35fe MH |
715 | if (!data->bulk_rx_ep) |
716 | return -ENODEV; | |
717 | ||
2eda66f4 | 718 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
719 | if (!urb) |
720 | return -ENOMEM; | |
721 | ||
2eda66f4 | 722 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
723 | if (!buf) { |
724 | usb_free_urb(urb); | |
725 | return -ENOMEM; | |
726 | } | |
727 | ||
728 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
729 | ||
89e7533d MH |
730 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
731 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
732 | |
733 | urb->transfer_flags |= URB_FREE_BUFFER; | |
734 | ||
7bee549e | 735 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
736 | usb_anchor_urb(urb, &data->bulk_anchor); |
737 | ||
2eda66f4 | 738 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 739 | if (err < 0) { |
d4b8d1c9 PB |
740 | if (err != -EPERM && err != -ENODEV) |
741 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 742 | hdev->name, urb, -err); |
5e23b923 | 743 | usb_unanchor_urb(urb); |
5e23b923 MH |
744 | } |
745 | ||
746 | usb_free_urb(urb); | |
747 | ||
748 | return err; | |
749 | } | |
750 | ||
9bfa35fe MH |
751 | static void btusb_isoc_complete(struct urb *urb) |
752 | { | |
753 | struct hci_dev *hdev = urb->context; | |
155961e8 | 754 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
755 | int i, err; |
756 | ||
89e7533d MH |
757 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
758 | urb->actual_length); | |
9bfa35fe MH |
759 | |
760 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
761 | return; | |
762 | ||
763 | if (urb->status == 0) { | |
764 | for (i = 0; i < urb->number_of_packets; i++) { | |
765 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
766 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
767 | ||
768 | if (urb->iso_frame_desc[i].status) | |
769 | continue; | |
770 | ||
771 | hdev->stat.byte_rx += length; | |
772 | ||
1ffa4ad0 MH |
773 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
774 | length) < 0) { | |
9bfa35fe MH |
775 | BT_ERR("%s corrupted SCO packet", hdev->name); |
776 | hdev->stat.err_rx++; | |
777 | } | |
778 | } | |
85560c4a CC |
779 | } else if (urb->status == -ENOENT) { |
780 | /* Avoid suspend failed when usb_kill_urb */ | |
781 | return; | |
9bfa35fe MH |
782 | } |
783 | ||
784 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
785 | return; | |
786 | ||
787 | usb_anchor_urb(urb, &data->isoc_anchor); | |
788 | ||
789 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
790 | if (err < 0) { | |
4935f1c1 PB |
791 | /* -EPERM: urb is being killed; |
792 | * -ENODEV: device got disconnected */ | |
793 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 794 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 795 | hdev->name, urb, -err); |
9bfa35fe MH |
796 | usb_unanchor_urb(urb); |
797 | } | |
798 | } | |
799 | ||
42b16b3f | 800 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
801 | { |
802 | int i, offset = 0; | |
803 | ||
804 | BT_DBG("len %d mtu %d", len, mtu); | |
805 | ||
806 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
807 | i++, offset += mtu, len -= mtu) { | |
808 | urb->iso_frame_desc[i].offset = offset; | |
809 | urb->iso_frame_desc[i].length = mtu; | |
810 | } | |
811 | ||
812 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
813 | urb->iso_frame_desc[i].offset = offset; | |
814 | urb->iso_frame_desc[i].length = len; | |
815 | i++; | |
816 | } | |
817 | ||
818 | urb->number_of_packets = i; | |
819 | } | |
820 | ||
2eda66f4 | 821 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 822 | { |
155961e8 | 823 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
824 | struct urb *urb; |
825 | unsigned char *buf; | |
826 | unsigned int pipe; | |
827 | int err, size; | |
828 | ||
829 | BT_DBG("%s", hdev->name); | |
830 | ||
831 | if (!data->isoc_rx_ep) | |
832 | return -ENODEV; | |
833 | ||
2eda66f4 | 834 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
835 | if (!urb) |
836 | return -ENOMEM; | |
837 | ||
838 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
839 | BTUSB_MAX_ISOC_FRAMES; | |
840 | ||
2eda66f4 | 841 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
842 | if (!buf) { |
843 | usb_free_urb(urb); | |
844 | return -ENOMEM; | |
845 | } | |
846 | ||
847 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
848 | ||
fa0fb93f | 849 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 850 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 851 | |
89e7533d | 852 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
853 | |
854 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 855 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
856 | |
857 | usb_anchor_urb(urb, &data->isoc_anchor); | |
858 | ||
2eda66f4 | 859 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 860 | if (err < 0) { |
d4b8d1c9 PB |
861 | if (err != -EPERM && err != -ENODEV) |
862 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 863 | hdev->name, urb, -err); |
9bfa35fe | 864 | usb_unanchor_urb(urb); |
9bfa35fe MH |
865 | } |
866 | ||
867 | usb_free_urb(urb); | |
868 | ||
869 | return err; | |
870 | } | |
871 | ||
5e23b923 | 872 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
873 | { |
874 | struct sk_buff *skb = urb->context; | |
89e7533d | 875 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 876 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 877 | |
89e7533d MH |
878 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
879 | urb->actual_length); | |
7bee549e ON |
880 | |
881 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
882 | goto done; | |
883 | ||
884 | if (!urb->status) | |
885 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
886 | else | |
887 | hdev->stat.err_tx++; | |
888 | ||
889 | done: | |
890 | spin_lock(&data->txlock); | |
891 | data->tx_in_flight--; | |
892 | spin_unlock(&data->txlock); | |
893 | ||
894 | kfree(urb->setup_packet); | |
895 | ||
896 | kfree_skb(skb); | |
897 | } | |
898 | ||
899 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
900 | { |
901 | struct sk_buff *skb = urb->context; | |
89e7533d | 902 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 903 | |
89e7533d MH |
904 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
905 | urb->actual_length); | |
5e23b923 MH |
906 | |
907 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
908 | goto done; | |
909 | ||
910 | if (!urb->status) | |
911 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
912 | else | |
913 | hdev->stat.err_tx++; | |
914 | ||
915 | done: | |
916 | kfree(urb->setup_packet); | |
917 | ||
918 | kfree_skb(skb); | |
919 | } | |
920 | ||
921 | static int btusb_open(struct hci_dev *hdev) | |
922 | { | |
155961e8 | 923 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
924 | int err; |
925 | ||
926 | BT_DBG("%s", hdev->name); | |
927 | ||
ace31982 KBYT |
928 | /* Patching USB firmware files prior to starting any URBs of HCI path |
929 | * It is more safe to use USB bulk channel for downloading USB patch | |
930 | */ | |
931 | if (data->setup_on_usb) { | |
932 | err = data->setup_on_usb(hdev); | |
eb50042f | 933 | if (err < 0) |
ace31982 KBYT |
934 | return err; |
935 | } | |
936 | ||
7bee549e ON |
937 | err = usb_autopm_get_interface(data->intf); |
938 | if (err < 0) | |
939 | return err; | |
940 | ||
941 | data->intf->needs_remote_wakeup = 1; | |
942 | ||
5e23b923 | 943 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
7bee549e | 944 | goto done; |
5e23b923 | 945 | |
2eda66f4 | 946 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
947 | if (err < 0) |
948 | goto failed; | |
949 | ||
950 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 951 | if (err < 0) { |
43c2e57f MH |
952 | usb_kill_anchored_urbs(&data->intr_anchor); |
953 | goto failed; | |
5e23b923 MH |
954 | } |
955 | ||
43c2e57f MH |
956 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
957 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
958 | ||
7bee549e ON |
959 | done: |
960 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
961 | return 0; |
962 | ||
963 | failed: | |
964 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 965 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
966 | return err; |
967 | } | |
968 | ||
7bee549e ON |
969 | static void btusb_stop_traffic(struct btusb_data *data) |
970 | { | |
971 | usb_kill_anchored_urbs(&data->intr_anchor); | |
972 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
973 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
974 | } | |
975 | ||
5e23b923 MH |
976 | static int btusb_close(struct hci_dev *hdev) |
977 | { | |
155961e8 | 978 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 979 | int err; |
5e23b923 MH |
980 | |
981 | BT_DBG("%s", hdev->name); | |
982 | ||
e8c3c3d2 | 983 | cancel_work_sync(&data->work); |
404291ac | 984 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 985 | |
9bfa35fe | 986 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 987 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 988 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
989 | |
990 | btusb_stop_traffic(data); | |
803b5836 MH |
991 | btusb_free_frags(data); |
992 | ||
7bee549e ON |
993 | err = usb_autopm_get_interface(data->intf); |
994 | if (err < 0) | |
7b8e2c1d | 995 | goto failed; |
7bee549e ON |
996 | |
997 | data->intf->needs_remote_wakeup = 0; | |
998 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 999 | |
7b8e2c1d ON |
1000 | failed: |
1001 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
1002 | return 0; |
1003 | } | |
1004 | ||
1005 | static int btusb_flush(struct hci_dev *hdev) | |
1006 | { | |
155961e8 | 1007 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1008 | |
1009 | BT_DBG("%s", hdev->name); | |
1010 | ||
1011 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 1012 | btusb_free_frags(data); |
5e23b923 MH |
1013 | |
1014 | return 0; | |
1015 | } | |
1016 | ||
047b2ec8 | 1017 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 1018 | { |
155961e8 | 1019 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1020 | struct usb_ctrlrequest *dr; |
1021 | struct urb *urb; | |
1022 | unsigned int pipe; | |
5e23b923 | 1023 | |
047b2ec8 MH |
1024 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1025 | if (!urb) | |
1026 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1027 | |
047b2ec8 MH |
1028 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
1029 | if (!dr) { | |
1030 | usb_free_urb(urb); | |
1031 | return ERR_PTR(-ENOMEM); | |
1032 | } | |
5e23b923 | 1033 | |
047b2ec8 | 1034 | dr->bRequestType = data->cmdreq_type; |
893ba544 | 1035 | dr->bRequest = data->cmdreq; |
047b2ec8 MH |
1036 | dr->wIndex = 0; |
1037 | dr->wValue = 0; | |
1038 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 1039 | |
047b2ec8 | 1040 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 1041 | |
89e7533d | 1042 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 1043 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 1044 | |
89e7533d | 1045 | skb->dev = (void *)hdev; |
5e23b923 | 1046 | |
047b2ec8 MH |
1047 | return urb; |
1048 | } | |
5e23b923 | 1049 | |
047b2ec8 MH |
1050 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1051 | { | |
1052 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1053 | struct urb *urb; | |
1054 | unsigned int pipe; | |
5e23b923 | 1055 | |
047b2ec8 MH |
1056 | if (!data->bulk_tx_ep) |
1057 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1058 | |
047b2ec8 MH |
1059 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1060 | if (!urb) | |
1061 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1062 | |
047b2ec8 | 1063 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 1064 | |
047b2ec8 MH |
1065 | usb_fill_bulk_urb(urb, data->udev, pipe, |
1066 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 1067 | |
89e7533d | 1068 | skb->dev = (void *)hdev; |
5e23b923 | 1069 | |
047b2ec8 MH |
1070 | return urb; |
1071 | } | |
9bfa35fe | 1072 | |
047b2ec8 MH |
1073 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1074 | { | |
1075 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1076 | struct urb *urb; | |
1077 | unsigned int pipe; | |
9bfa35fe | 1078 | |
047b2ec8 MH |
1079 | if (!data->isoc_tx_ep) |
1080 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1081 | |
047b2ec8 MH |
1082 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1083 | if (!urb) | |
1084 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1085 | |
047b2ec8 | 1086 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1087 | |
047b2ec8 MH |
1088 | usb_fill_int_urb(urb, data->udev, pipe, |
1089 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1090 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1091 | |
047b2ec8 | 1092 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1093 | |
047b2ec8 MH |
1094 | __fill_isoc_descriptor(urb, skb->len, |
1095 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1096 | |
89e7533d | 1097 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1098 | |
1099 | return urb; | |
1100 | } | |
1101 | ||
1102 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1103 | { | |
1104 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1105 | int err; | |
7bee549e | 1106 | |
5e23b923 MH |
1107 | usb_anchor_urb(urb, &data->tx_anchor); |
1108 | ||
e9753eff | 1109 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1110 | if (err < 0) { |
5a9b80e2 PB |
1111 | if (err != -EPERM && err != -ENODEV) |
1112 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 1113 | hdev->name, urb, -err); |
5e23b923 MH |
1114 | kfree(urb->setup_packet); |
1115 | usb_unanchor_urb(urb); | |
7bee549e ON |
1116 | } else { |
1117 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1118 | } |
1119 | ||
54a8a79c | 1120 | usb_free_urb(urb); |
5e23b923 MH |
1121 | return err; |
1122 | } | |
1123 | ||
047b2ec8 MH |
1124 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1125 | { | |
1126 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1127 | unsigned long flags; | |
1128 | bool suspending; | |
1129 | ||
1130 | spin_lock_irqsave(&data->txlock, flags); | |
1131 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1132 | if (!suspending) | |
1133 | data->tx_in_flight++; | |
1134 | spin_unlock_irqrestore(&data->txlock, flags); | |
1135 | ||
1136 | if (!suspending) | |
1137 | return submit_tx_urb(hdev, urb); | |
1138 | ||
1139 | usb_anchor_urb(urb, &data->deferred); | |
1140 | schedule_work(&data->waker); | |
1141 | ||
1142 | usb_free_urb(urb); | |
1143 | return 0; | |
1144 | } | |
1145 | ||
1146 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1147 | { | |
1148 | struct urb *urb; | |
1149 | ||
1150 | BT_DBG("%s", hdev->name); | |
1151 | ||
047b2ec8 MH |
1152 | switch (bt_cb(skb)->pkt_type) { |
1153 | case HCI_COMMAND_PKT: | |
1154 | urb = alloc_ctrl_urb(hdev, skb); | |
1155 | if (IS_ERR(urb)) | |
1156 | return PTR_ERR(urb); | |
1157 | ||
1158 | hdev->stat.cmd_tx++; | |
1159 | return submit_or_queue_tx_urb(hdev, urb); | |
1160 | ||
1161 | case HCI_ACLDATA_PKT: | |
1162 | urb = alloc_bulk_urb(hdev, skb); | |
1163 | if (IS_ERR(urb)) | |
1164 | return PTR_ERR(urb); | |
1165 | ||
1166 | hdev->stat.acl_tx++; | |
1167 | return submit_or_queue_tx_urb(hdev, urb); | |
1168 | ||
1169 | case HCI_SCODATA_PKT: | |
1170 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1171 | return -ENODEV; | |
1172 | ||
1173 | urb = alloc_isoc_urb(hdev, skb); | |
1174 | if (IS_ERR(urb)) | |
1175 | return PTR_ERR(urb); | |
1176 | ||
1177 | hdev->stat.sco_tx++; | |
1178 | return submit_tx_urb(hdev, urb); | |
1179 | } | |
1180 | ||
1181 | return -EILSEQ; | |
1182 | } | |
1183 | ||
5e23b923 MH |
1184 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1185 | { | |
155961e8 | 1186 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1187 | |
1188 | BT_DBG("%s evt %d", hdev->name, evt); | |
1189 | ||
014f7bc7 MH |
1190 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1191 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1192 | schedule_work(&data->work); |
a780efa8 | 1193 | } |
5e23b923 MH |
1194 | } |
1195 | ||
42b16b3f | 1196 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1197 | { |
155961e8 | 1198 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1199 | struct usb_interface *intf = data->isoc; |
1200 | struct usb_endpoint_descriptor *ep_desc; | |
1201 | int i, err; | |
1202 | ||
1203 | if (!data->isoc) | |
1204 | return -ENODEV; | |
1205 | ||
1206 | err = usb_set_interface(data->udev, 1, altsetting); | |
1207 | if (err < 0) { | |
1208 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
1209 | return err; | |
1210 | } | |
1211 | ||
1212 | data->isoc_altsetting = altsetting; | |
1213 | ||
1214 | data->isoc_tx_ep = NULL; | |
1215 | data->isoc_rx_ep = NULL; | |
1216 | ||
1217 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1218 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1219 | ||
1220 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1221 | data->isoc_tx_ep = ep_desc; | |
1222 | continue; | |
1223 | } | |
1224 | ||
1225 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1226 | data->isoc_rx_ep = ep_desc; | |
1227 | continue; | |
1228 | } | |
1229 | } | |
1230 | ||
1231 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
1232 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
1233 | return -ENODEV; | |
1234 | } | |
1235 | ||
1236 | return 0; | |
1237 | } | |
1238 | ||
5e23b923 MH |
1239 | static void btusb_work(struct work_struct *work) |
1240 | { | |
1241 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1242 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1243 | int new_alts; |
7bee549e | 1244 | int err; |
5e23b923 | 1245 | |
014f7bc7 | 1246 | if (data->sco_num > 0) { |
08b8b6c4 | 1247 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1248 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1249 | if (err < 0) { |
1250 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1251 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1252 | return; | |
1253 | } | |
1254 | ||
08b8b6c4 | 1255 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1256 | } |
f4001d28 MA |
1257 | |
1258 | if (hdev->voice_setting & 0x0020) { | |
1259 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1260 | |
014f7bc7 | 1261 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1262 | } else { |
014f7bc7 | 1263 | new_alts = data->sco_num; |
f4001d28 MA |
1264 | } |
1265 | ||
1266 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
1267 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1268 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1269 | ||
8f9d02f4 KP |
1270 | /* When isochronous alternate setting needs to be |
1271 | * changed, because SCO connection has been added | |
1272 | * or removed, a packet fragment may be left in the | |
1273 | * reassembling state. This could lead to wrongly | |
1274 | * assembled fragments. | |
1275 | * | |
1276 | * Clear outstanding fragment when selecting a new | |
1277 | * alternate setting. | |
1278 | */ | |
1279 | spin_lock(&data->rxlock); | |
1280 | kfree_skb(data->sco_skb); | |
1281 | data->sco_skb = NULL; | |
1282 | spin_unlock(&data->rxlock); | |
1283 | ||
f4001d28 | 1284 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1285 | return; |
1286 | } | |
1287 | ||
1288 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1289 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1290 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1291 | else | |
2eda66f4 | 1292 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1293 | } |
1294 | } else { | |
1295 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1296 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1297 | ||
1298 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1299 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1300 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1301 | } |
1302 | } | |
1303 | ||
7bee549e ON |
1304 | static void btusb_waker(struct work_struct *work) |
1305 | { | |
1306 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1307 | int err; | |
1308 | ||
1309 | err = usb_autopm_get_interface(data->intf); | |
1310 | if (err < 0) | |
1311 | return; | |
1312 | ||
1313 | usb_autopm_put_interface(data->intf); | |
1314 | } | |
1315 | ||
9f8f962c MH |
1316 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1317 | { | |
1318 | struct sk_buff *skb; | |
1319 | u8 val = 0x00; | |
1320 | ||
1321 | BT_DBG("%s", hdev->name); | |
1322 | ||
1323 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1324 | if (IS_ERR(skb)) | |
1325 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
1326 | else | |
1327 | kfree_skb(skb); | |
1328 | ||
1329 | return 0; | |
1330 | } | |
1331 | ||
81cac64b MH |
1332 | static int btusb_setup_csr(struct hci_dev *hdev) |
1333 | { | |
1334 | struct hci_rp_read_local_version *rp; | |
1335 | struct sk_buff *skb; | |
81cac64b MH |
1336 | |
1337 | BT_DBG("%s", hdev->name); | |
1338 | ||
7cd84d72 MH |
1339 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
1340 | HCI_INIT_TIMEOUT); | |
1341 | if (IS_ERR(skb)) { | |
1342 | int err = PTR_ERR(skb); | |
1343 | BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err); | |
1344 | return err; | |
1345 | } | |
1346 | ||
1347 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { | |
1348 | BT_ERR("%s: CSR: Local version length mismatch", hdev->name); | |
1349 | kfree_skb(skb); | |
1350 | return -EIO; | |
1351 | } | |
81cac64b | 1352 | |
89e7533d | 1353 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b | 1354 | |
6cafcd95 JH |
1355 | /* Detect controllers which aren't real CSR ones. */ |
1356 | if (le16_to_cpu(rp->manufacturer) != 10 || | |
1357 | le16_to_cpu(rp->lmp_subver) == 0x0c5c) { | |
9641d343 MH |
1358 | /* Clear the reset quirk since this is not an actual |
1359 | * early Bluetooth 1.1 device from CSR. | |
1360 | */ | |
1361 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
81cac64b | 1362 | |
9641d343 MH |
1363 | /* These fake CSR controllers have all a broken |
1364 | * stored link key handling and so just disable it. | |
1365 | */ | |
1366 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
1367 | } | |
81cac64b MH |
1368 | |
1369 | kfree_skb(skb); | |
1370 | ||
9641d343 | 1371 | return 0; |
81cac64b MH |
1372 | } |
1373 | ||
dffd30ee | 1374 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
89e7533d | 1375 | struct intel_version *ver) |
dffd30ee THJA |
1376 | { |
1377 | const struct firmware *fw; | |
1378 | char fwname[64]; | |
1379 | int ret; | |
1380 | ||
1381 | snprintf(fwname, sizeof(fwname), | |
1382 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1383 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1384 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1385 | ver->fw_build_ww, ver->fw_build_yy); | |
1386 | ||
1387 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1388 | if (ret < 0) { | |
1389 | if (ret == -EINVAL) { | |
1390 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1391 | hdev->name, ret); | |
1392 | return NULL; | |
1393 | } | |
1394 | ||
1395 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1396 | hdev->name, fwname, ret); | |
1397 | ||
1398 | /* If the correct firmware patch file is not found, use the | |
1399 | * default firmware patch file instead | |
1400 | */ | |
1401 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1402 | ver->hw_platform, ver->hw_variant); | |
1403 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1404 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1405 | hdev->name, fwname); | |
1406 | return NULL; | |
1407 | } | |
1408 | } | |
1409 | ||
1410 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1411 | ||
1412 | return fw; | |
1413 | } | |
1414 | ||
1415 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1416 | const struct firmware *fw, | |
1417 | const u8 **fw_ptr, int *disable_patch) | |
1418 | { | |
1419 | struct sk_buff *skb; | |
1420 | struct hci_command_hdr *cmd; | |
1421 | const u8 *cmd_param; | |
1422 | struct hci_event_hdr *evt = NULL; | |
1423 | const u8 *evt_param = NULL; | |
1424 | int remain = fw->size - (*fw_ptr - fw->data); | |
1425 | ||
1426 | /* The first byte indicates the types of the patch command or event. | |
1427 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1428 | * in the current firmware buffer doesn't start with 0x01 or | |
1429 | * the size of remain buffer is smaller than HCI command header, | |
1430 | * the firmware file is corrupted and it should stop the patching | |
1431 | * process. | |
1432 | */ | |
1433 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1434 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1435 | return -EINVAL; | |
1436 | } | |
1437 | (*fw_ptr)++; | |
1438 | remain--; | |
1439 | ||
1440 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1441 | *fw_ptr += sizeof(*cmd); | |
1442 | remain -= sizeof(*cmd); | |
1443 | ||
1444 | /* Ensure that the remain firmware data is long enough than the length | |
1445 | * of command parameter. If not, the firmware file is corrupted. | |
1446 | */ | |
1447 | if (remain < cmd->plen) { | |
1448 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1449 | return -EFAULT; | |
1450 | } | |
1451 | ||
1452 | /* If there is a command that loads a patch in the firmware | |
1453 | * file, then enable the patch upon success, otherwise just | |
1454 | * disable the manufacturer mode, for example patch activation | |
1455 | * is not required when the default firmware patch file is used | |
1456 | * because there are no patch data to load. | |
1457 | */ | |
1458 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1459 | *disable_patch = 0; | |
1460 | ||
1461 | cmd_param = *fw_ptr; | |
1462 | *fw_ptr += cmd->plen; | |
1463 | remain -= cmd->plen; | |
1464 | ||
1465 | /* This reads the expected events when the above command is sent to the | |
1466 | * device. Some vendor commands expects more than one events, for | |
1467 | * example command status event followed by vendor specific event. | |
1468 | * For this case, it only keeps the last expected event. so the command | |
1469 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1470 | * last expected event. | |
1471 | */ | |
1472 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1473 | (*fw_ptr)++; | |
1474 | remain--; | |
1475 | ||
1476 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1477 | *fw_ptr += sizeof(*evt); | |
1478 | remain -= sizeof(*evt); | |
1479 | ||
1480 | if (remain < evt->plen) { | |
1481 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1482 | hdev->name); | |
1483 | return -EFAULT; | |
1484 | } | |
1485 | ||
1486 | evt_param = *fw_ptr; | |
1487 | *fw_ptr += evt->plen; | |
1488 | remain -= evt->plen; | |
1489 | } | |
1490 | ||
1491 | /* Every HCI commands in the firmware file has its correspond event. | |
1492 | * If event is not found or remain is smaller than zero, the firmware | |
1493 | * file is corrupted. | |
1494 | */ | |
1495 | if (!evt || !evt_param || remain < 0) { | |
1496 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1497 | return -EFAULT; | |
1498 | } | |
1499 | ||
1500 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1501 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1502 | if (IS_ERR(skb)) { | |
1503 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1504 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1505 | return PTR_ERR(skb); |
dffd30ee THJA |
1506 | } |
1507 | ||
1508 | /* It ensures that the returned event matches the event data read from | |
1509 | * the firmware file. At fist, it checks the length and then | |
1510 | * the contents of the event. | |
1511 | */ | |
1512 | if (skb->len != evt->plen) { | |
1513 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1514 | le16_to_cpu(cmd->opcode)); | |
1515 | kfree_skb(skb); | |
1516 | return -EFAULT; | |
1517 | } | |
1518 | ||
1519 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1520 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1521 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1522 | kfree_skb(skb); | |
1523 | return -EFAULT; | |
1524 | } | |
1525 | kfree_skb(skb); | |
1526 | ||
1527 | return 0; | |
1528 | } | |
1529 | ||
1530 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1531 | { | |
1532 | struct sk_buff *skb; | |
1533 | const struct firmware *fw; | |
1534 | const u8 *fw_ptr; | |
1535 | int disable_patch; | |
1536 | struct intel_version *ver; | |
1537 | ||
1538 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1539 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1540 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1541 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1542 | ||
1543 | BT_DBG("%s", hdev->name); | |
1544 | ||
1545 | /* The controller has a bug with the first HCI command sent to it | |
1546 | * returning number of completed commands as zero. This would stall the | |
1547 | * command processing in the Bluetooth core. | |
1548 | * | |
1549 | * As a workaround, send HCI Reset command first which will reset the | |
1550 | * number of completed commands and allow normal command processing | |
1551 | * from now on. | |
1552 | */ | |
1553 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1554 | if (IS_ERR(skb)) { | |
1555 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1556 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1557 | return PTR_ERR(skb); |
dffd30ee THJA |
1558 | } |
1559 | kfree_skb(skb); | |
1560 | ||
1561 | /* Read Intel specific controller version first to allow selection of | |
1562 | * which firmware file to load. | |
1563 | * | |
1564 | * The returned information are hardware variant and revision plus | |
1565 | * firmware variant, revision and build number. | |
1566 | */ | |
1567 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1568 | if (IS_ERR(skb)) { | |
1569 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1570 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1571 | return PTR_ERR(skb); |
dffd30ee THJA |
1572 | } |
1573 | ||
1574 | if (skb->len != sizeof(*ver)) { | |
1575 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1576 | kfree_skb(skb); | |
1577 | return -EIO; | |
1578 | } | |
1579 | ||
1580 | ver = (struct intel_version *)skb->data; | |
dffd30ee THJA |
1581 | |
1582 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1583 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1584 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1585 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1586 | ver->fw_patch_num); | |
1587 | ||
1588 | /* fw_patch_num indicates the version of patch the device currently | |
1589 | * have. If there is no patch data in the device, it is always 0x00. | |
5075edae | 1590 | * So, if it is other than 0x00, no need to patch the device again. |
dffd30ee THJA |
1591 | */ |
1592 | if (ver->fw_patch_num) { | |
1593 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1594 | hdev->name, ver->fw_patch_num); | |
1595 | kfree_skb(skb); | |
4185a0f5 | 1596 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1597 | return 0; |
1598 | } | |
1599 | ||
1600 | /* Opens the firmware patch file based on the firmware version read | |
1601 | * from the controller. If it fails to open the matching firmware | |
1602 | * patch file, it tries to open the default firmware patch file. | |
1603 | * If no patch file is found, allow the device to operate without | |
1604 | * a patch. | |
1605 | */ | |
1606 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1607 | if (!fw) { | |
1608 | kfree_skb(skb); | |
4185a0f5 | 1609 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1610 | return 0; |
1611 | } | |
1612 | fw_ptr = fw->data; | |
1613 | ||
ecffc804 MH |
1614 | kfree_skb(skb); |
1615 | ||
dffd30ee THJA |
1616 | /* This Intel specific command enables the manufacturer mode of the |
1617 | * controller. | |
1618 | * | |
1619 | * Only while this mode is enabled, the driver can download the | |
1620 | * firmware patch data and configuration parameters. | |
1621 | */ | |
1622 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1623 | if (IS_ERR(skb)) { | |
1624 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1625 | hdev->name, PTR_ERR(skb)); | |
1626 | release_firmware(fw); | |
d9c78e97 | 1627 | return PTR_ERR(skb); |
dffd30ee THJA |
1628 | } |
1629 | ||
dffd30ee THJA |
1630 | kfree_skb(skb); |
1631 | ||
1632 | disable_patch = 1; | |
1633 | ||
1634 | /* The firmware data file consists of list of Intel specific HCI | |
1635 | * commands and its expected events. The first byte indicates the | |
1636 | * type of the message, either HCI command or HCI event. | |
1637 | * | |
1638 | * It reads the command and its expected event from the firmware file, | |
1639 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1640 | * the returned event is compared with the event read from the firmware | |
1641 | * file and it will continue until all the messages are downloaded to | |
1642 | * the controller. | |
1643 | * | |
1644 | * Once the firmware patching is completed successfully, | |
1645 | * the manufacturer mode is disabled with reset and activating the | |
1646 | * downloaded patch. | |
1647 | * | |
1648 | * If the firmware patching fails, the manufacturer mode is | |
1649 | * disabled with reset and deactivating the patch. | |
1650 | * | |
1651 | * If the default patch file is used, no reset is done when disabling | |
1652 | * the manufacturer. | |
1653 | */ | |
1654 | while (fw->size > fw_ptr - fw->data) { | |
1655 | int ret; | |
1656 | ||
1657 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1658 | &disable_patch); | |
1659 | if (ret < 0) | |
1660 | goto exit_mfg_deactivate; | |
1661 | } | |
1662 | ||
1663 | release_firmware(fw); | |
1664 | ||
1665 | if (disable_patch) | |
1666 | goto exit_mfg_disable; | |
1667 | ||
1668 | /* Patching completed successfully and disable the manufacturer mode | |
1669 | * with reset and activate the downloaded firmware patches. | |
1670 | */ | |
1671 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1672 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1673 | if (IS_ERR(skb)) { | |
1674 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1675 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1676 | return PTR_ERR(skb); |
dffd30ee THJA |
1677 | } |
1678 | kfree_skb(skb); | |
1679 | ||
1680 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1681 | hdev->name); | |
1682 | ||
4185a0f5 | 1683 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1684 | return 0; |
1685 | ||
1686 | exit_mfg_disable: | |
1687 | /* Disable the manufacturer mode without reset */ | |
1688 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1689 | HCI_INIT_TIMEOUT); | |
1690 | if (IS_ERR(skb)) { | |
1691 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1692 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1693 | return PTR_ERR(skb); |
dffd30ee THJA |
1694 | } |
1695 | kfree_skb(skb); | |
1696 | ||
1697 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 | 1698 | |
4185a0f5 | 1699 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1700 | return 0; |
1701 | ||
1702 | exit_mfg_deactivate: | |
1703 | release_firmware(fw); | |
1704 | ||
1705 | /* Patching failed. Disable the manufacturer mode with reset and | |
1706 | * deactivate the downloaded firmware patches. | |
1707 | */ | |
1708 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1709 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1710 | if (IS_ERR(skb)) { | |
1711 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1712 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1713 | return PTR_ERR(skb); |
dffd30ee THJA |
1714 | } |
1715 | kfree_skb(skb); | |
1716 | ||
1717 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1718 | hdev->name); | |
1719 | ||
4185a0f5 | 1720 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1721 | return 0; |
1722 | } | |
1723 | ||
cda0dd78 MH |
1724 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
1725 | { | |
1726 | struct sk_buff *skb; | |
1727 | struct hci_event_hdr *hdr; | |
1728 | struct hci_ev_cmd_complete *evt; | |
1729 | ||
1730 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC); | |
1731 | if (!skb) | |
1732 | return -ENOMEM; | |
1733 | ||
1734 | hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr)); | |
1735 | hdr->evt = HCI_EV_CMD_COMPLETE; | |
1736 | hdr->plen = sizeof(*evt) + 1; | |
1737 | ||
1738 | evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt)); | |
1739 | evt->ncmd = 0x01; | |
1740 | evt->opcode = cpu_to_le16(opcode); | |
1741 | ||
1742 | *skb_put(skb, 1) = 0x00; | |
1743 | ||
1744 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
1745 | ||
1746 | return hci_recv_frame(hdev, skb); | |
1747 | } | |
1748 | ||
1749 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
1750 | int count) | |
1751 | { | |
1752 | /* When the device is in bootloader mode, then it can send | |
1753 | * events via the bulk endpoint. These events are treated the | |
1754 | * same way as the ones received from the interrupt endpoint. | |
1755 | */ | |
1756 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) | |
1757 | return btusb_recv_intr(data, buffer, count); | |
1758 | ||
1759 | return btusb_recv_bulk(data, buffer, count); | |
1760 | } | |
1761 | ||
ccd6da2a MH |
1762 | static void btusb_intel_bootup(struct btusb_data *data, const void *ptr, |
1763 | unsigned int len) | |
1764 | { | |
1765 | const struct intel_bootup *evt = ptr; | |
1766 | ||
1767 | if (len != sizeof(*evt)) | |
1768 | return; | |
1769 | ||
1770 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) { | |
1771 | smp_mb__after_atomic(); | |
1772 | wake_up_bit(&data->flags, BTUSB_BOOTING); | |
1773 | } | |
1774 | } | |
1775 | ||
1776 | static void btusb_intel_secure_send_result(struct btusb_data *data, | |
1777 | const void *ptr, unsigned int len) | |
1778 | { | |
1779 | const struct intel_secure_send_result *evt = ptr; | |
1780 | ||
1781 | if (len != sizeof(*evt)) | |
1782 | return; | |
1783 | ||
1784 | if (evt->result) | |
1785 | set_bit(BTUSB_FIRMWARE_FAILED, &data->flags); | |
1786 | ||
1787 | if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) && | |
1788 | test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) { | |
1789 | smp_mb__after_atomic(); | |
1790 | wake_up_bit(&data->flags, BTUSB_DOWNLOADING); | |
1791 | } | |
1792 | } | |
1793 | ||
cda0dd78 MH |
1794 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) |
1795 | { | |
1796 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1797 | ||
1798 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1799 | struct hci_event_hdr *hdr = (void *)skb->data; | |
1800 | ||
ccd6da2a MH |
1801 | if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff && |
1802 | hdr->plen > 0) { | |
1803 | const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1; | |
1804 | unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1; | |
1805 | ||
1806 | switch (skb->data[2]) { | |
1807 | case 0x02: | |
1808 | /* When switching to the operational firmware | |
1809 | * the device sends a vendor specific event | |
1810 | * indicating that the bootup completed. | |
1811 | */ | |
1812 | btusb_intel_bootup(data, ptr, len); | |
1813 | break; | |
1814 | case 0x06: | |
1815 | /* When the firmware loading completes the | |
1816 | * device sends out a vendor specific event | |
1817 | * indicating the result of the firmware | |
1818 | * loading. | |
1819 | */ | |
1820 | btusb_intel_secure_send_result(data, ptr, len); | |
1821 | break; | |
fad70972 | 1822 | } |
cda0dd78 MH |
1823 | } |
1824 | } | |
1825 | ||
1826 | return hci_recv_frame(hdev, skb); | |
1827 | } | |
1828 | ||
1829 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1830 | { | |
1831 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1832 | struct urb *urb; | |
1833 | ||
1834 | BT_DBG("%s", hdev->name); | |
1835 | ||
cda0dd78 MH |
1836 | switch (bt_cb(skb)->pkt_type) { |
1837 | case HCI_COMMAND_PKT: | |
1838 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1839 | struct hci_command_hdr *cmd = (void *)skb->data; | |
1840 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
1841 | ||
1842 | /* When in bootloader mode and the command 0xfc09 | |
1843 | * is received, it needs to be send down the | |
1844 | * bulk endpoint. So allocate a bulk URB instead. | |
1845 | */ | |
1846 | if (opcode == 0xfc09) | |
1847 | urb = alloc_bulk_urb(hdev, skb); | |
1848 | else | |
1849 | urb = alloc_ctrl_urb(hdev, skb); | |
1850 | ||
1851 | /* When the 0xfc01 command is issued to boot into | |
1852 | * the operational firmware, it will actually not | |
1853 | * send a command complete event. To keep the flow | |
1854 | * control working inject that event here. | |
1855 | */ | |
1856 | if (opcode == 0xfc01) | |
1857 | inject_cmd_complete(hdev, opcode); | |
1858 | } else { | |
1859 | urb = alloc_ctrl_urb(hdev, skb); | |
1860 | } | |
1861 | if (IS_ERR(urb)) | |
1862 | return PTR_ERR(urb); | |
1863 | ||
1864 | hdev->stat.cmd_tx++; | |
1865 | return submit_or_queue_tx_urb(hdev, urb); | |
1866 | ||
1867 | case HCI_ACLDATA_PKT: | |
1868 | urb = alloc_bulk_urb(hdev, skb); | |
1869 | if (IS_ERR(urb)) | |
1870 | return PTR_ERR(urb); | |
1871 | ||
1872 | hdev->stat.acl_tx++; | |
1873 | return submit_or_queue_tx_urb(hdev, urb); | |
1874 | ||
1875 | case HCI_SCODATA_PKT: | |
1876 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1877 | return -ENODEV; | |
1878 | ||
1879 | urb = alloc_isoc_urb(hdev, skb); | |
1880 | if (IS_ERR(urb)) | |
1881 | return PTR_ERR(urb); | |
1882 | ||
1883 | hdev->stat.sco_tx++; | |
1884 | return submit_tx_urb(hdev, urb); | |
1885 | } | |
1886 | ||
1887 | return -EILSEQ; | |
1888 | } | |
1889 | ||
cda0dd78 MH |
1890 | static int btusb_setup_intel_new(struct hci_dev *hdev) |
1891 | { | |
1892 | static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01, | |
1893 | 0x00, 0x08, 0x04, 0x00 }; | |
1894 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1895 | struct sk_buff *skb; | |
1896 | struct intel_version *ver; | |
1897 | struct intel_boot_params *params; | |
1898 | const struct firmware *fw; | |
1899 | const u8 *fw_ptr; | |
e66890a9 | 1900 | u32 frag_len; |
cda0dd78 MH |
1901 | char fwname[64]; |
1902 | ktime_t calltime, delta, rettime; | |
1903 | unsigned long long duration; | |
1904 | int err; | |
1905 | ||
1906 | BT_DBG("%s", hdev->name); | |
1907 | ||
1908 | calltime = ktime_get(); | |
1909 | ||
1910 | /* Read the Intel version information to determine if the device | |
1911 | * is in bootloader mode or if it already has operational firmware | |
1912 | * loaded. | |
1913 | */ | |
1914 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1915 | if (IS_ERR(skb)) { | |
1916 | BT_ERR("%s: Reading Intel version information failed (%ld)", | |
1917 | hdev->name, PTR_ERR(skb)); | |
1918 | return PTR_ERR(skb); | |
1919 | } | |
1920 | ||
1921 | if (skb->len != sizeof(*ver)) { | |
1922 | BT_ERR("%s: Intel version event size mismatch", hdev->name); | |
1923 | kfree_skb(skb); | |
1924 | return -EILSEQ; | |
1925 | } | |
1926 | ||
1927 | ver = (struct intel_version *)skb->data; | |
cda0dd78 MH |
1928 | |
1929 | /* The hardware platform number has a fixed value of 0x37 and | |
1930 | * for now only accept this single value. | |
1931 | */ | |
1932 | if (ver->hw_platform != 0x37) { | |
1933 | BT_ERR("%s: Unsupported Intel hardware platform (%u)", | |
1934 | hdev->name, ver->hw_platform); | |
1935 | kfree_skb(skb); | |
1936 | return -EINVAL; | |
1937 | } | |
1938 | ||
1939 | /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is | |
1940 | * supported by this firmware loading method. This check has been | |
1941 | * put in place to ensure correct forward compatibility options | |
1942 | * when newer hardware variants come along. | |
1943 | */ | |
1944 | if (ver->hw_variant != 0x0b) { | |
1945 | BT_ERR("%s: Unsupported Intel hardware variant (%u)", | |
1946 | hdev->name, ver->hw_variant); | |
1947 | kfree_skb(skb); | |
1948 | return -EINVAL; | |
1949 | } | |
1950 | ||
7feb99e1 | 1951 | btintel_version_info(hdev, ver); |
cda0dd78 MH |
1952 | |
1953 | /* The firmware variant determines if the device is in bootloader | |
1954 | * mode or is running operational firmware. The value 0x06 identifies | |
1955 | * the bootloader and the value 0x23 identifies the operational | |
1956 | * firmware. | |
1957 | * | |
1958 | * When the operational firmware is already present, then only | |
1959 | * the check for valid Bluetooth device address is needed. This | |
1960 | * determines if the device will be added as configured or | |
1961 | * unconfigured controller. | |
1962 | * | |
1963 | * It is not possible to use the Secure Boot Parameters in this | |
1964 | * case since that command is only available in bootloader mode. | |
1965 | */ | |
1966 | if (ver->fw_variant == 0x23) { | |
1967 | kfree_skb(skb); | |
1968 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
4185a0f5 | 1969 | btintel_check_bdaddr(hdev); |
cda0dd78 MH |
1970 | return 0; |
1971 | } | |
1972 | ||
1973 | /* If the device is not in bootloader mode, then the only possible | |
1974 | * choice is to return an error and abort the device initialization. | |
1975 | */ | |
1976 | if (ver->fw_variant != 0x06) { | |
1977 | BT_ERR("%s: Unsupported Intel firmware variant (%u)", | |
1978 | hdev->name, ver->fw_variant); | |
1979 | kfree_skb(skb); | |
1980 | return -ENODEV; | |
1981 | } | |
1982 | ||
1983 | kfree_skb(skb); | |
1984 | ||
1985 | /* Read the secure boot parameters to identify the operating | |
1986 | * details of the bootloader. | |
1987 | */ | |
1988 | skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT); | |
1989 | if (IS_ERR(skb)) { | |
1990 | BT_ERR("%s: Reading Intel boot parameters failed (%ld)", | |
1991 | hdev->name, PTR_ERR(skb)); | |
1992 | return PTR_ERR(skb); | |
1993 | } | |
1994 | ||
1995 | if (skb->len != sizeof(*params)) { | |
1996 | BT_ERR("%s: Intel boot parameters size mismatch", hdev->name); | |
1997 | kfree_skb(skb); | |
1998 | return -EILSEQ; | |
1999 | } | |
2000 | ||
2001 | params = (struct intel_boot_params *)skb->data; | |
cda0dd78 MH |
2002 | |
2003 | BT_INFO("%s: Device revision is %u", hdev->name, | |
2004 | le16_to_cpu(params->dev_revid)); | |
2005 | ||
2006 | BT_INFO("%s: Secure boot is %s", hdev->name, | |
2007 | params->secure_boot ? "enabled" : "disabled"); | |
2008 | ||
2009 | BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name, | |
2010 | params->min_fw_build_nn, params->min_fw_build_cw, | |
2011 | 2000 + params->min_fw_build_yy); | |
2012 | ||
2013 | /* It is required that every single firmware fragment is acknowledged | |
2014 | * with a command complete event. If the boot parameters indicate | |
2015 | * that this bootloader does not send them, then abort the setup. | |
2016 | */ | |
2017 | if (params->limited_cce != 0x00) { | |
2018 | BT_ERR("%s: Unsupported Intel firmware loading method (%u)", | |
2019 | hdev->name, params->limited_cce); | |
2020 | kfree_skb(skb); | |
2021 | return -EINVAL; | |
2022 | } | |
2023 | ||
2024 | /* If the OTP has no valid Bluetooth device address, then there will | |
2025 | * also be no valid address for the operational firmware. | |
2026 | */ | |
2027 | if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) { | |
2028 | BT_INFO("%s: No device address configured", hdev->name); | |
2029 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); | |
2030 | } | |
2031 | ||
2032 | /* With this Intel bootloader only the hardware variant and device | |
2033 | * revision information are used to select the right firmware. | |
2034 | * | |
2035 | * Currently this bootloader support is limited to hardware variant | |
2036 | * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b). | |
2037 | */ | |
2038 | snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi", | |
2039 | le16_to_cpu(params->dev_revid)); | |
2040 | ||
2041 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2042 | if (err < 0) { | |
2043 | BT_ERR("%s: Failed to load Intel firmware file (%d)", | |
2044 | hdev->name, err); | |
2045 | kfree_skb(skb); | |
2046 | return err; | |
2047 | } | |
2048 | ||
2049 | BT_INFO("%s: Found device firmware: %s", hdev->name, fwname); | |
2050 | ||
52cc9168 THJA |
2051 | /* Save the DDC file name for later use to apply once the firmware |
2052 | * downloading is done. | |
2053 | */ | |
2054 | snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.ddc", | |
2055 | le16_to_cpu(params->dev_revid)); | |
2056 | ||
cda0dd78 MH |
2057 | kfree_skb(skb); |
2058 | ||
2059 | if (fw->size < 644) { | |
2060 | BT_ERR("%s: Invalid size of firmware file (%zu)", | |
2061 | hdev->name, fw->size); | |
2062 | err = -EBADF; | |
2063 | goto done; | |
2064 | } | |
2065 | ||
2066 | set_bit(BTUSB_DOWNLOADING, &data->flags); | |
2067 | ||
2068 | /* Start the firmware download transaction with the Init fragment | |
2069 | * represented by the 128 bytes of CSS header. | |
2070 | */ | |
09df123d | 2071 | err = btintel_secure_send(hdev, 0x00, 128, fw->data); |
cda0dd78 MH |
2072 | if (err < 0) { |
2073 | BT_ERR("%s: Failed to send firmware header (%d)", | |
2074 | hdev->name, err); | |
2075 | goto done; | |
2076 | } | |
2077 | ||
2078 | /* Send the 256 bytes of public key information from the firmware | |
2079 | * as the PKey fragment. | |
2080 | */ | |
09df123d | 2081 | err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128); |
cda0dd78 MH |
2082 | if (err < 0) { |
2083 | BT_ERR("%s: Failed to send firmware public key (%d)", | |
2084 | hdev->name, err); | |
2085 | goto done; | |
2086 | } | |
2087 | ||
2088 | /* Send the 256 bytes of signature information from the firmware | |
2089 | * as the Sign fragment. | |
2090 | */ | |
09df123d | 2091 | err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388); |
cda0dd78 MH |
2092 | if (err < 0) { |
2093 | BT_ERR("%s: Failed to send firmware signature (%d)", | |
2094 | hdev->name, err); | |
2095 | goto done; | |
2096 | } | |
2097 | ||
2098 | fw_ptr = fw->data + 644; | |
e66890a9 | 2099 | frag_len = 0; |
cda0dd78 MH |
2100 | |
2101 | while (fw_ptr - fw->data < fw->size) { | |
e66890a9 | 2102 | struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len); |
cda0dd78 | 2103 | |
e66890a9 | 2104 | frag_len += sizeof(*cmd) + cmd->plen; |
cda0dd78 | 2105 | |
5075edae | 2106 | /* The parameter length of the secure send command requires |
e66890a9 MH |
2107 | * a 4 byte alignment. It happens so that the firmware file |
2108 | * contains proper Intel_NOP commands to align the fragments | |
2109 | * as needed. | |
2110 | * | |
2111 | * Send set of commands with 4 byte alignment from the | |
2112 | * firmware data buffer as a single Data fragement. | |
cda0dd78 | 2113 | */ |
e66890a9 | 2114 | if (!(frag_len % 4)) { |
09df123d | 2115 | err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr); |
e66890a9 MH |
2116 | if (err < 0) { |
2117 | BT_ERR("%s: Failed to send firmware data (%d)", | |
2118 | hdev->name, err); | |
2119 | goto done; | |
2120 | } | |
cda0dd78 | 2121 | |
e66890a9 MH |
2122 | fw_ptr += frag_len; |
2123 | frag_len = 0; | |
2124 | } | |
cda0dd78 MH |
2125 | } |
2126 | ||
ce6bb929 MH |
2127 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); |
2128 | ||
a087a98e JH |
2129 | BT_INFO("%s: Waiting for firmware download to complete", hdev->name); |
2130 | ||
cda0dd78 MH |
2131 | /* Before switching the device into operational mode and with that |
2132 | * booting the loaded firmware, wait for the bootloader notification | |
2133 | * that all fragments have been successfully received. | |
2134 | * | |
a087a98e JH |
2135 | * When the event processing receives the notification, then the |
2136 | * BTUSB_DOWNLOADING flag will be cleared. | |
2137 | * | |
2138 | * The firmware loading should not take longer than 5 seconds | |
2139 | * and thus just timeout if that happens and fail the setup | |
2140 | * of this device. | |
cda0dd78 | 2141 | */ |
129a7693 JH |
2142 | err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, |
2143 | TASK_INTERRUPTIBLE, | |
2144 | msecs_to_jiffies(5000)); | |
a087a98e JH |
2145 | if (err == 1) { |
2146 | BT_ERR("%s: Firmware loading interrupted", hdev->name); | |
2147 | err = -EINTR; | |
2148 | goto done; | |
2149 | } | |
cda0dd78 | 2150 | |
a087a98e JH |
2151 | if (err) { |
2152 | BT_ERR("%s: Firmware loading timeout", hdev->name); | |
2153 | err = -ETIMEDOUT; | |
2154 | goto done; | |
cda0dd78 MH |
2155 | } |
2156 | ||
2157 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { | |
2158 | BT_ERR("%s: Firmware loading failed", hdev->name); | |
2159 | err = -ENOEXEC; | |
2160 | goto done; | |
2161 | } | |
2162 | ||
2163 | rettime = ktime_get(); | |
2164 | delta = ktime_sub(rettime, calltime); | |
2165 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2166 | ||
2167 | BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration); | |
2168 | ||
2169 | done: | |
2170 | release_firmware(fw); | |
2171 | ||
2172 | if (err < 0) | |
2173 | return err; | |
2174 | ||
2175 | calltime = ktime_get(); | |
2176 | ||
2177 | set_bit(BTUSB_BOOTING, &data->flags); | |
2178 | ||
2179 | skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param, | |
2180 | HCI_INIT_TIMEOUT); | |
2181 | if (IS_ERR(skb)) | |
2182 | return PTR_ERR(skb); | |
2183 | ||
2184 | kfree_skb(skb); | |
2185 | ||
2186 | /* The bootloader will not indicate when the device is ready. This | |
2187 | * is done by the operational firmware sending bootup notification. | |
fad70972 JH |
2188 | * |
2189 | * Booting into operational firmware should not take longer than | |
2190 | * 1 second. However if that happens, then just fail the setup | |
2191 | * since something went wrong. | |
cda0dd78 | 2192 | */ |
fad70972 | 2193 | BT_INFO("%s: Waiting for device to boot", hdev->name); |
cda0dd78 | 2194 | |
129a7693 JH |
2195 | err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, |
2196 | TASK_INTERRUPTIBLE, | |
2197 | msecs_to_jiffies(1000)); | |
cda0dd78 | 2198 | |
fad70972 JH |
2199 | if (err == 1) { |
2200 | BT_ERR("%s: Device boot interrupted", hdev->name); | |
2201 | return -EINTR; | |
2202 | } | |
cda0dd78 | 2203 | |
fad70972 JH |
2204 | if (err) { |
2205 | BT_ERR("%s: Device boot timeout", hdev->name); | |
2206 | return -ETIMEDOUT; | |
cda0dd78 MH |
2207 | } |
2208 | ||
2209 | rettime = ktime_get(); | |
2210 | delta = ktime_sub(rettime, calltime); | |
2211 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2212 | ||
2213 | BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration); | |
2214 | ||
2215 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2216 | ||
52cc9168 THJA |
2217 | /* Once the device is running in operational mode, it needs to apply |
2218 | * the device configuration (DDC) parameters. | |
2219 | * | |
2220 | * The device can work without DDC parameters, so even if it fails | |
2221 | * to load the file, no need to fail the setup. | |
2222 | */ | |
e924d3d6 | 2223 | btintel_load_ddc_config(hdev, fwname); |
52cc9168 | 2224 | |
cda0dd78 MH |
2225 | return 0; |
2226 | } | |
2227 | ||
bfbd45e9 THJA |
2228 | static int btusb_shutdown_intel(struct hci_dev *hdev) |
2229 | { | |
2230 | struct sk_buff *skb; | |
2231 | long ret; | |
2232 | ||
2233 | /* Some platforms have an issue with BT LED when the interface is | |
2234 | * down or BT radio is turned off, which takes 5 seconds to BT LED | |
2235 | * goes off. This command turns off the BT LED immediately. | |
2236 | */ | |
2237 | skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); | |
2238 | if (IS_ERR(skb)) { | |
2239 | ret = PTR_ERR(skb); | |
2240 | BT_ERR("%s: turning off Intel device LED failed (%ld)", | |
2241 | hdev->name, ret); | |
2242 | return ret; | |
2243 | } | |
2244 | kfree_skb(skb); | |
2245 | ||
2246 | return 0; | |
2247 | } | |
2248 | ||
ae8df494 AK |
2249 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
2250 | const bdaddr_t *bdaddr) | |
2251 | { | |
2252 | struct sk_buff *skb; | |
2253 | u8 buf[8]; | |
2254 | long ret; | |
2255 | ||
2256 | buf[0] = 0xfe; | |
2257 | buf[1] = sizeof(bdaddr_t); | |
2258 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
2259 | ||
2260 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2261 | if (IS_ERR(skb)) { | |
2262 | ret = PTR_ERR(skb); | |
2263 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
2264 | hdev->name, ret); | |
2265 | return ret; | |
2266 | } | |
2267 | kfree_skb(skb); | |
2268 | ||
2269 | return 0; | |
2270 | } | |
2271 | ||
5859223e TK |
2272 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
2273 | const bdaddr_t *bdaddr) | |
2274 | { | |
2275 | struct sk_buff *skb; | |
2276 | u8 buf[10]; | |
2277 | long ret; | |
2278 | ||
2279 | buf[0] = 0x01; | |
2280 | buf[1] = 0x01; | |
2281 | buf[2] = 0x00; | |
2282 | buf[3] = sizeof(bdaddr_t); | |
2283 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
2284 | ||
2285 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2286 | if (IS_ERR(skb)) { | |
2287 | ret = PTR_ERR(skb); | |
2288 | BT_ERR("%s: Change address command failed (%ld)", | |
2289 | hdev->name, ret); | |
2290 | return ret; | |
2291 | } | |
2292 | kfree_skb(skb); | |
2293 | ||
2294 | return 0; | |
2295 | } | |
2296 | ||
3267c884 KBYT |
2297 | #define QCA_DFU_PACKET_LEN 4096 |
2298 | ||
2299 | #define QCA_GET_TARGET_VERSION 0x09 | |
2300 | #define QCA_CHECK_STATUS 0x05 | |
2301 | #define QCA_DFU_DOWNLOAD 0x01 | |
2302 | ||
2303 | #define QCA_SYSCFG_UPDATED 0x40 | |
2304 | #define QCA_PATCH_UPDATED 0x80 | |
2305 | #define QCA_DFU_TIMEOUT 3000 | |
2306 | ||
2307 | struct qca_version { | |
2308 | __le32 rom_version; | |
2309 | __le32 patch_version; | |
2310 | __le32 ram_version; | |
2311 | __le32 ref_clock; | |
2312 | __u8 reserved[4]; | |
2313 | } __packed; | |
2314 | ||
2315 | struct qca_rampatch_version { | |
2316 | __le16 rom_version; | |
2317 | __le16 patch_version; | |
2318 | } __packed; | |
2319 | ||
2320 | struct qca_device_info { | |
bf906b3d KBYT |
2321 | u32 rom_version; |
2322 | u8 rampatch_hdr; /* length of header in rampatch */ | |
2323 | u8 nvm_hdr; /* length of header in NVM */ | |
2324 | u8 ver_offset; /* offset of version structure in rampatch */ | |
3267c884 KBYT |
2325 | }; |
2326 | ||
2327 | static const struct qca_device_info qca_devices_table[] = { | |
2328 | { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ | |
2329 | { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ | |
7f6e6363 | 2330 | { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ |
3267c884 KBYT |
2331 | { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ |
2332 | { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ | |
2333 | { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ | |
2334 | }; | |
2335 | ||
2336 | static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request, | |
2337 | void *data, u16 size) | |
2338 | { | |
2339 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2340 | struct usb_device *udev = btdata->udev; | |
2341 | int pipe, err; | |
2342 | u8 *buf; | |
2343 | ||
2344 | buf = kmalloc(size, GFP_KERNEL); | |
2345 | if (!buf) | |
2346 | return -ENOMEM; | |
2347 | ||
2348 | /* Found some of USB hosts have IOT issues with ours so that we should | |
2349 | * not wait until HCI layer is ready. | |
2350 | */ | |
2351 | pipe = usb_rcvctrlpipe(udev, 0); | |
2352 | err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, | |
2353 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2354 | if (err < 0) { | |
2355 | BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err); | |
2356 | goto done; | |
2357 | } | |
2358 | ||
2359 | memcpy(data, buf, size); | |
2360 | ||
2361 | done: | |
2362 | kfree(buf); | |
2363 | ||
2364 | return err; | |
2365 | } | |
2366 | ||
2367 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, | |
2368 | const struct firmware *firmware, | |
2369 | size_t hdr_size) | |
2370 | { | |
2371 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2372 | struct usb_device *udev = btdata->udev; | |
2373 | size_t count, size, sent = 0; | |
2374 | int pipe, len, err; | |
2375 | u8 *buf; | |
2376 | ||
2377 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); | |
2378 | if (!buf) | |
2379 | return -ENOMEM; | |
2380 | ||
2381 | count = firmware->size; | |
2382 | ||
2383 | size = min_t(size_t, count, hdr_size); | |
2384 | memcpy(buf, firmware->data, size); | |
2385 | ||
2386 | /* USB patches should go down to controller through USB path | |
2387 | * because binary format fits to go down through USB channel. | |
2388 | * USB control path is for patching headers and USB bulk is for | |
2389 | * patch body. | |
2390 | */ | |
2391 | pipe = usb_sndctrlpipe(udev, 0); | |
2392 | err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, | |
2393 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2394 | if (err < 0) { | |
2395 | BT_ERR("%s: Failed to send headers (%d)", hdev->name, err); | |
2396 | goto done; | |
2397 | } | |
2398 | ||
2399 | sent += size; | |
2400 | count -= size; | |
2401 | ||
2402 | while (count) { | |
2403 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); | |
2404 | ||
2405 | memcpy(buf, firmware->data + sent, size); | |
2406 | ||
2407 | pipe = usb_sndbulkpipe(udev, 0x02); | |
2408 | err = usb_bulk_msg(udev, pipe, buf, size, &len, | |
2409 | QCA_DFU_TIMEOUT); | |
2410 | if (err < 0) { | |
2411 | BT_ERR("%s: Failed to send body at %zd of %zd (%d)", | |
2412 | hdev->name, sent, firmware->size, err); | |
2413 | break; | |
2414 | } | |
2415 | ||
2416 | if (size != len) { | |
2417 | BT_ERR("%s: Failed to get bulk buffer", hdev->name); | |
2418 | err = -EILSEQ; | |
2419 | break; | |
2420 | } | |
2421 | ||
2422 | sent += size; | |
2423 | count -= size; | |
2424 | } | |
2425 | ||
2426 | done: | |
2427 | kfree(buf); | |
2428 | return err; | |
2429 | } | |
2430 | ||
2431 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, | |
2432 | struct qca_version *ver, | |
2433 | const struct qca_device_info *info) | |
2434 | { | |
2435 | struct qca_rampatch_version *rver; | |
2436 | const struct firmware *fw; | |
bf906b3d KBYT |
2437 | u32 ver_rom, ver_patch; |
2438 | u16 rver_rom, rver_patch; | |
3267c884 KBYT |
2439 | char fwname[64]; |
2440 | int err; | |
2441 | ||
bf906b3d KBYT |
2442 | ver_rom = le32_to_cpu(ver->rom_version); |
2443 | ver_patch = le32_to_cpu(ver->patch_version); | |
2444 | ||
2445 | snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); | |
3267c884 KBYT |
2446 | |
2447 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2448 | if (err) { | |
2449 | BT_ERR("%s: failed to request rampatch file: %s (%d)", | |
2450 | hdev->name, fwname, err); | |
2451 | return err; | |
2452 | } | |
2453 | ||
2454 | BT_INFO("%s: using rampatch file: %s", hdev->name, fwname); | |
bf906b3d | 2455 | |
3267c884 | 2456 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
bf906b3d KBYT |
2457 | rver_rom = le16_to_cpu(rver->rom_version); |
2458 | rver_patch = le16_to_cpu(rver->patch_version); | |
2459 | ||
3267c884 | 2460 | BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x " |
bf906b3d KBYT |
2461 | "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom, |
2462 | ver_patch); | |
3267c884 | 2463 | |
bf906b3d | 2464 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
3267c884 KBYT |
2465 | BT_ERR("%s: rampatch file version did not match with firmware", |
2466 | hdev->name); | |
2467 | err = -EINVAL; | |
2468 | goto done; | |
2469 | } | |
2470 | ||
2471 | err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); | |
2472 | ||
2473 | done: | |
2474 | release_firmware(fw); | |
2475 | ||
2476 | return err; | |
2477 | } | |
2478 | ||
2479 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, | |
2480 | struct qca_version *ver, | |
2481 | const struct qca_device_info *info) | |
2482 | { | |
2483 | const struct firmware *fw; | |
2484 | char fwname[64]; | |
2485 | int err; | |
2486 | ||
2487 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", | |
2488 | le32_to_cpu(ver->rom_version)); | |
2489 | ||
2490 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2491 | if (err) { | |
2492 | BT_ERR("%s: failed to request NVM file: %s (%d)", | |
2493 | hdev->name, fwname, err); | |
2494 | return err; | |
2495 | } | |
2496 | ||
2497 | BT_INFO("%s: using NVM file: %s", hdev->name, fwname); | |
2498 | ||
2499 | err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); | |
2500 | ||
2501 | release_firmware(fw); | |
2502 | ||
2503 | return err; | |
2504 | } | |
2505 | ||
2506 | static int btusb_setup_qca(struct hci_dev *hdev) | |
2507 | { | |
2508 | const struct qca_device_info *info = NULL; | |
2509 | struct qca_version ver; | |
bf906b3d | 2510 | u32 ver_rom; |
3267c884 KBYT |
2511 | u8 status; |
2512 | int i, err; | |
2513 | ||
2514 | err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver, | |
eb50042f | 2515 | sizeof(ver)); |
3267c884 KBYT |
2516 | if (err < 0) |
2517 | return err; | |
2518 | ||
bf906b3d | 2519 | ver_rom = le32_to_cpu(ver.rom_version); |
3267c884 | 2520 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
bf906b3d | 2521 | if (ver_rom == qca_devices_table[i].rom_version) |
3267c884 KBYT |
2522 | info = &qca_devices_table[i]; |
2523 | } | |
2524 | if (!info) { | |
2525 | BT_ERR("%s: don't support firmware rome 0x%x", hdev->name, | |
bf906b3d | 2526 | ver_rom); |
3267c884 KBYT |
2527 | return -ENODEV; |
2528 | } | |
2529 | ||
2530 | err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status, | |
2531 | sizeof(status)); | |
2532 | if (err < 0) | |
2533 | return err; | |
2534 | ||
2535 | if (!(status & QCA_PATCH_UPDATED)) { | |
2536 | err = btusb_setup_qca_load_rampatch(hdev, &ver, info); | |
2537 | if (err < 0) | |
2538 | return err; | |
2539 | } | |
2540 | ||
2541 | if (!(status & QCA_SYSCFG_UPDATED)) { | |
2542 | err = btusb_setup_qca_load_nvm(hdev, &ver, info); | |
2543 | if (err < 0) | |
2544 | return err; | |
2545 | } | |
2546 | ||
2547 | return 0; | |
2548 | } | |
2549 | ||
5e23b923 | 2550 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 2551 | const struct usb_device_id *id) |
5e23b923 MH |
2552 | { |
2553 | struct usb_endpoint_descriptor *ep_desc; | |
2554 | struct btusb_data *data; | |
2555 | struct hci_dev *hdev; | |
2556 | int i, err; | |
2557 | ||
2558 | BT_DBG("intf %p id %p", intf, id); | |
2559 | ||
cfeb4145 | 2560 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
2561 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
2562 | return -ENODEV; | |
2563 | ||
2564 | if (!id->driver_info) { | |
2565 | const struct usb_device_id *match; | |
89e7533d | 2566 | |
5e23b923 MH |
2567 | match = usb_match_id(intf, blacklist_table); |
2568 | if (match) | |
2569 | id = match; | |
2570 | } | |
2571 | ||
cfeb4145 MH |
2572 | if (id->driver_info == BTUSB_IGNORE) |
2573 | return -ENODEV; | |
2574 | ||
2d25f8b4 SL |
2575 | if (id->driver_info & BTUSB_ATH3012) { |
2576 | struct usb_device *udev = interface_to_usbdev(intf); | |
2577 | ||
2578 | /* Old firmware would otherwise let ath3k driver load | |
2579 | * patch and sysconfig files */ | |
2580 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
2581 | return -ENODEV; | |
2582 | } | |
2583 | ||
98921dbd | 2584 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
2585 | if (!data) |
2586 | return -ENOMEM; | |
2587 | ||
2588 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2589 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2590 | ||
2591 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
2592 | data->intr_ep = ep_desc; | |
2593 | continue; | |
2594 | } | |
2595 | ||
2596 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2597 | data->bulk_tx_ep = ep_desc; | |
2598 | continue; | |
2599 | } | |
2600 | ||
2601 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2602 | data->bulk_rx_ep = ep_desc; | |
2603 | continue; | |
2604 | } | |
2605 | } | |
2606 | ||
98921dbd | 2607 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 2608 | return -ENODEV; |
5e23b923 | 2609 | |
893ba544 MH |
2610 | if (id->driver_info & BTUSB_AMP) { |
2611 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; | |
2612 | data->cmdreq = 0x2b; | |
2613 | } else { | |
2614 | data->cmdreq_type = USB_TYPE_CLASS; | |
2615 | data->cmdreq = 0x00; | |
2616 | } | |
7a9d4020 | 2617 | |
5e23b923 | 2618 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2619 | data->intf = intf; |
5e23b923 | 2620 | |
5e23b923 | 2621 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2622 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2623 | init_usb_anchor(&data->deferred); |
2624 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2625 | spin_lock_init(&data->txlock); |
5e23b923 | 2626 | |
5e23b923 MH |
2627 | init_usb_anchor(&data->intr_anchor); |
2628 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 2629 | init_usb_anchor(&data->isoc_anchor); |
803b5836 | 2630 | spin_lock_init(&data->rxlock); |
5e23b923 | 2631 | |
cda0dd78 MH |
2632 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2633 | data->recv_event = btusb_recv_event_intel; | |
2634 | data->recv_bulk = btusb_recv_bulk_intel; | |
2635 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
2636 | } else { | |
2637 | data->recv_event = hci_recv_frame; | |
2638 | data->recv_bulk = btusb_recv_bulk; | |
2639 | } | |
2cbd3f5c | 2640 | |
5e23b923 | 2641 | hdev = hci_alloc_dev(); |
98921dbd | 2642 | if (!hdev) |
5e23b923 | 2643 | return -ENOMEM; |
5e23b923 | 2644 | |
c13854ce | 2645 | hdev->bus = HCI_USB; |
155961e8 | 2646 | hci_set_drvdata(hdev, data); |
5e23b923 | 2647 | |
893ba544 MH |
2648 | if (id->driver_info & BTUSB_AMP) |
2649 | hdev->dev_type = HCI_AMP; | |
2650 | else | |
2651 | hdev->dev_type = HCI_BREDR; | |
2652 | ||
5e23b923 MH |
2653 | data->hdev = hdev; |
2654 | ||
2655 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
2656 | ||
9f8f962c MH |
2657 | hdev->open = btusb_open; |
2658 | hdev->close = btusb_close; | |
2659 | hdev->flush = btusb_flush; | |
2660 | hdev->send = btusb_send_frame; | |
2661 | hdev->notify = btusb_notify; | |
2662 | ||
2663 | if (id->driver_info & BTUSB_BCM92035) | |
2664 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 2665 | |
c2bfb100 | 2666 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
abbaf50e | 2667 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
c2bfb100 | 2668 | hdev->setup = btbcm_setup_patchram; |
1df1f591 | 2669 | hdev->set_bdaddr = btbcm_set_bdaddr; |
abbaf50e | 2670 | } |
10d4c673 | 2671 | |
941521e2 | 2672 | if (id->driver_info & BTUSB_BCM_APPLE) |
c2bfb100 | 2673 | hdev->setup = btbcm_setup_apple; |
c2bfb100 | 2674 | #endif |
17b2772b | 2675 | |
cb8d6597 | 2676 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 2677 | hdev->setup = btusb_setup_intel; |
bfbd45e9 | 2678 | hdev->shutdown = btusb_shutdown_intel; |
4185a0f5 | 2679 | hdev->set_bdaddr = btintel_set_bdaddr; |
c33fb9b4 | 2680 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
c1154842 | 2681 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
cb8d6597 | 2682 | } |
dffd30ee | 2683 | |
cda0dd78 MH |
2684 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2685 | hdev->send = btusb_send_frame_intel; | |
2686 | hdev->setup = btusb_setup_intel_new; | |
eeb6abe9 | 2687 | hdev->hw_error = btintel_hw_error; |
4185a0f5 | 2688 | hdev->set_bdaddr = btintel_set_bdaddr; |
b970c5ba | 2689 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
cda0dd78 MH |
2690 | } |
2691 | ||
ae8df494 AK |
2692 | if (id->driver_info & BTUSB_MARVELL) |
2693 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
2694 | ||
661cf88a MH |
2695 | if (id->driver_info & BTUSB_SWAVE) { |
2696 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
d57dbe77 | 2697 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
661cf88a | 2698 | } |
d57dbe77 | 2699 | |
40df783d MH |
2700 | if (id->driver_info & BTUSB_INTEL_BOOT) |
2701 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2702 | ||
79f0c87d | 2703 | if (id->driver_info & BTUSB_ATH3012) { |
5859223e | 2704 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
3d50d51a | 2705 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
79f0c87d JP |
2706 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
2707 | } | |
5859223e | 2708 | |
3267c884 KBYT |
2709 | if (id->driver_info & BTUSB_QCA_ROME) { |
2710 | data->setup_on_usb = btusb_setup_qca; | |
2711 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
2712 | } | |
2713 | ||
db33c77d | 2714 | #ifdef CONFIG_BT_HCIBTUSB_RTL |
04b8c814 | 2715 | if (id->driver_info & BTUSB_REALTEK) { |
db33c77d | 2716 | hdev->setup = btrtl_setup_realtek; |
04b8c814 DD |
2717 | |
2718 | /* Realtek devices lose their updated firmware over suspend, | |
2719 | * but the USB hub doesn't notice any status change. | |
2720 | * Explicitly request a device reset on resume. | |
2721 | */ | |
2722 | set_bit(BTUSB_RESET_RESUME, &data->flags); | |
2723 | } | |
db33c77d | 2724 | #endif |
a2698a9b | 2725 | |
893ba544 MH |
2726 | if (id->driver_info & BTUSB_AMP) { |
2727 | /* AMP controllers do not support SCO packets */ | |
2728 | data->isoc = NULL; | |
2729 | } else { | |
2730 | /* Interface numbers are hardcoded in the specification */ | |
2731 | data->isoc = usb_ifnum_to_if(data->udev, 1); | |
2732 | } | |
9bfa35fe | 2733 | |
7a9d4020 | 2734 | if (!reset) |
a6c511c6 | 2735 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
2736 | |
2737 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
2738 | if (!disable_scofix) | |
2739 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
2740 | } | |
2741 | ||
9bfa35fe MH |
2742 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
2743 | data->isoc = NULL; | |
2744 | ||
7a9d4020 MH |
2745 | if (id->driver_info & BTUSB_DIGIANSWER) { |
2746 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 2747 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
2748 | } |
2749 | ||
2750 | if (id->driver_info & BTUSB_CSR) { | |
2751 | struct usb_device *udev = data->udev; | |
81cac64b | 2752 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
2753 | |
2754 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 2755 | if (bcdDevice < 0x117) |
a6c511c6 | 2756 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
2757 | |
2758 | /* Fake CSR devices with broken commands */ | |
6cafcd95 | 2759 | if (bcdDevice <= 0x100 || bcdDevice == 0x134) |
81cac64b | 2760 | hdev->setup = btusb_setup_csr; |
49c989a0 JP |
2761 | |
2762 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
7a9d4020 MH |
2763 | } |
2764 | ||
cfeb4145 | 2765 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 2766 | struct usb_device *udev = data->udev; |
cfeb4145 | 2767 | |
7a9d4020 | 2768 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
2769 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
2770 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2771 | } | |
2772 | ||
3a5ef20c MH |
2773 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
2774 | /* A bug in the bootloader causes that interrupt interface is | |
2775 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
2776 | */ | |
2777 | err = usb_set_interface(data->udev, 0, 0); | |
2778 | if (err < 0) { | |
2779 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
2780 | hci_free_dev(hdev); | |
2781 | return err; | |
2782 | } | |
2783 | } | |
2784 | ||
9bfa35fe MH |
2785 | if (data->isoc) { |
2786 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 2787 | data->isoc, data); |
9bfa35fe MH |
2788 | if (err < 0) { |
2789 | hci_free_dev(hdev); | |
9bfa35fe MH |
2790 | return err; |
2791 | } | |
2792 | } | |
2793 | ||
5e23b923 MH |
2794 | err = hci_register_dev(hdev); |
2795 | if (err < 0) { | |
2796 | hci_free_dev(hdev); | |
5e23b923 MH |
2797 | return err; |
2798 | } | |
2799 | ||
2800 | usb_set_intfdata(intf, data); | |
2801 | ||
2802 | return 0; | |
2803 | } | |
2804 | ||
2805 | static void btusb_disconnect(struct usb_interface *intf) | |
2806 | { | |
2807 | struct btusb_data *data = usb_get_intfdata(intf); | |
2808 | struct hci_dev *hdev; | |
2809 | ||
2810 | BT_DBG("intf %p", intf); | |
2811 | ||
2812 | if (!data) | |
2813 | return; | |
2814 | ||
2815 | hdev = data->hdev; | |
5fbcd260 MH |
2816 | usb_set_intfdata(data->intf, NULL); |
2817 | ||
2818 | if (data->isoc) | |
2819 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
2820 | |
2821 | hci_unregister_dev(hdev); | |
2822 | ||
5fbcd260 MH |
2823 | if (intf == data->isoc) |
2824 | usb_driver_release_interface(&btusb_driver, data->intf); | |
2825 | else if (data->isoc) | |
2826 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
2827 | ||
5e23b923 MH |
2828 | hci_free_dev(hdev); |
2829 | } | |
2830 | ||
7bee549e | 2831 | #ifdef CONFIG_PM |
6a88adf2 MH |
2832 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
2833 | { | |
2834 | struct btusb_data *data = usb_get_intfdata(intf); | |
2835 | ||
2836 | BT_DBG("intf %p", intf); | |
2837 | ||
2838 | if (data->suspend_count++) | |
2839 | return 0; | |
2840 | ||
7bee549e | 2841 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 2842 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
2843 | set_bit(BTUSB_SUSPENDING, &data->flags); |
2844 | spin_unlock_irq(&data->txlock); | |
2845 | } else { | |
2846 | spin_unlock_irq(&data->txlock); | |
2847 | data->suspend_count--; | |
2848 | return -EBUSY; | |
2849 | } | |
2850 | ||
6a88adf2 MH |
2851 | cancel_work_sync(&data->work); |
2852 | ||
7bee549e | 2853 | btusb_stop_traffic(data); |
6a88adf2 MH |
2854 | usb_kill_anchored_urbs(&data->tx_anchor); |
2855 | ||
04b8c814 DD |
2856 | /* Optionally request a device reset on resume, but only when |
2857 | * wakeups are disabled. If wakeups are enabled we assume the | |
2858 | * device will stay powered up throughout suspend. | |
2859 | */ | |
2860 | if (test_bit(BTUSB_RESET_RESUME, &data->flags) && | |
2861 | !device_may_wakeup(&data->udev->dev)) | |
2862 | data->udev->reset_resume = 1; | |
2863 | ||
6a88adf2 MH |
2864 | return 0; |
2865 | } | |
2866 | ||
7bee549e ON |
2867 | static void play_deferred(struct btusb_data *data) |
2868 | { | |
2869 | struct urb *urb; | |
2870 | int err; | |
2871 | ||
2872 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
2873 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
2874 | if (err < 0) | |
2875 | break; | |
2876 | ||
2877 | data->tx_in_flight++; | |
2878 | } | |
2879 | usb_scuttle_anchored_urbs(&data->deferred); | |
2880 | } | |
2881 | ||
6a88adf2 MH |
2882 | static int btusb_resume(struct usb_interface *intf) |
2883 | { | |
2884 | struct btusb_data *data = usb_get_intfdata(intf); | |
2885 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 2886 | int err = 0; |
6a88adf2 MH |
2887 | |
2888 | BT_DBG("intf %p", intf); | |
2889 | ||
2890 | if (--data->suspend_count) | |
2891 | return 0; | |
2892 | ||
2893 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 2894 | goto done; |
6a88adf2 MH |
2895 | |
2896 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
2897 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
2898 | if (err < 0) { | |
2899 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 2900 | goto failed; |
6a88adf2 MH |
2901 | } |
2902 | } | |
2903 | ||
2904 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
2905 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
2906 | if (err < 0) { | |
6a88adf2 | 2907 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
2908 | goto failed; |
2909 | } | |
2910 | ||
2911 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
2912 | } |
2913 | ||
2914 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2915 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
2916 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
2917 | else | |
2918 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
2919 | } | |
2920 | ||
7bee549e ON |
2921 | spin_lock_irq(&data->txlock); |
2922 | play_deferred(data); | |
2923 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2924 | spin_unlock_irq(&data->txlock); | |
2925 | schedule_work(&data->work); | |
2926 | ||
6a88adf2 | 2927 | return 0; |
7bee549e ON |
2928 | |
2929 | failed: | |
2930 | usb_scuttle_anchored_urbs(&data->deferred); | |
2931 | done: | |
2932 | spin_lock_irq(&data->txlock); | |
2933 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2934 | spin_unlock_irq(&data->txlock); | |
2935 | ||
2936 | return err; | |
6a88adf2 | 2937 | } |
7bee549e | 2938 | #endif |
6a88adf2 | 2939 | |
5e23b923 MH |
2940 | static struct usb_driver btusb_driver = { |
2941 | .name = "btusb", | |
2942 | .probe = btusb_probe, | |
2943 | .disconnect = btusb_disconnect, | |
7bee549e | 2944 | #ifdef CONFIG_PM |
6a88adf2 MH |
2945 | .suspend = btusb_suspend, |
2946 | .resume = btusb_resume, | |
7bee549e | 2947 | #endif |
5e23b923 | 2948 | .id_table = btusb_table, |
7bee549e | 2949 | .supports_autosuspend = 1, |
e1f12eb6 | 2950 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
2951 | }; |
2952 | ||
93f1508c | 2953 | module_usb_driver(btusb_driver); |
5e23b923 | 2954 | |
cfeb4145 MH |
2955 | module_param(disable_scofix, bool, 0644); |
2956 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
2957 | ||
2958 | module_param(force_scofix, bool, 0644); | |
2959 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
2960 | ||
2961 | module_param(reset, bool, 0644); | |
2962 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
2963 | ||
5e23b923 MH |
2964 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
2965 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
2966 | MODULE_VERSION(VERSION); | |
2967 | MODULE_LICENSE("GPL"); |