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Commit | Line | Data |
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5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 25 | #include <linux/usb.h> |
dffd30ee | 26 | #include <linux/firmware.h> |
a2698a9b | 27 | #include <asm/unaligned.h> |
5e23b923 MH |
28 | |
29 | #include <net/bluetooth/bluetooth.h> | |
30 | #include <net/bluetooth/hci_core.h> | |
31 | ||
4185a0f5 | 32 | #include "btintel.h" |
1df1f591 | 33 | #include "btbcm.h" |
db33c77d | 34 | #include "btrtl.h" |
1df1f591 | 35 | |
34dced9b | 36 | #define VERSION "0.8" |
cfeb4145 | 37 | |
90ab5ee9 RR |
38 | static bool disable_scofix; |
39 | static bool force_scofix; | |
7a9d4020 | 40 | |
917a3337 | 41 | static bool reset = true; |
cfeb4145 MH |
42 | |
43 | static struct usb_driver btusb_driver; | |
44 | ||
45 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
46 | #define BTUSB_DIGIANSWER 0x02 |
47 | #define BTUSB_CSR 0x04 | |
48 | #define BTUSB_SNIFFER 0x08 | |
49 | #define BTUSB_BCM92035 0x10 | |
50 | #define BTUSB_BROKEN_ISOC 0x20 | |
51 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 52 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 53 | #define BTUSB_INTEL 0x100 |
40df783d MH |
54 | #define BTUSB_INTEL_BOOT 0x200 |
55 | #define BTUSB_BCM_PATCHRAM 0x400 | |
ae8df494 | 56 | #define BTUSB_MARVELL 0x800 |
4fcef8ed | 57 | #define BTUSB_SWAVE 0x1000 |
cda0dd78 | 58 | #define BTUSB_INTEL_NEW 0x2000 |
893ba544 | 59 | #define BTUSB_AMP 0x4000 |
3267c884 | 60 | #define BTUSB_QCA_ROME 0x8000 |
17b2772b | 61 | #define BTUSB_BCM_APPLE 0x10000 |
a2698a9b | 62 | #define BTUSB_REALTEK 0x20000 |
5e23b923 | 63 | |
54265202 | 64 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
65 | /* Generic Bluetooth USB device */ |
66 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
67 | ||
893ba544 MH |
68 | /* Generic Bluetooth AMP device */ |
69 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, | |
70 | ||
1fa6535f | 71 | /* Apple-specific (Broadcom) devices */ |
17b2772b MH |
72 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), |
73 | .driver_info = BTUSB_BCM_APPLE }, | |
1fa6535f | 74 | |
178c059e CYC |
75 | /* MediaTek MT76x0E */ |
76 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
77 | ||
c510eae3 | 78 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 79 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 80 | |
3cd01976 NI |
81 | /* Apple MacBookPro 7,1 */ |
82 | { USB_DEVICE(0x05ac, 0x8213) }, | |
83 | ||
0a79f674 CL |
84 | /* Apple iMac11,1 */ |
85 | { USB_DEVICE(0x05ac, 0x8215) }, | |
86 | ||
9c047157 NI |
87 | /* Apple MacBookPro6,2 */ |
88 | { USB_DEVICE(0x05ac, 0x8218) }, | |
89 | ||
3e3ede7d EH |
90 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
91 | { USB_DEVICE(0x05ac, 0x821b) }, | |
92 | ||
a63b723d PAVM |
93 | /* Apple MacBookAir4,1 */ |
94 | { USB_DEVICE(0x05ac, 0x821f) }, | |
95 | ||
88d377b6 MAP |
96 | /* Apple MacBookPro8,2 */ |
97 | { USB_DEVICE(0x05ac, 0x821a) }, | |
98 | ||
f78b6826 JK |
99 | /* Apple MacMini5,1 */ |
100 | { USB_DEVICE(0x05ac, 0x8281) }, | |
101 | ||
cfeb4145 | 102 | /* AVM BlueFRITZ! USB v2.0 */ |
4fcef8ed | 103 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
cfeb4145 MH |
104 | |
105 | /* Bluetooth Ultraport Module from IBM */ | |
106 | { USB_DEVICE(0x04bf, 0x030a) }, | |
107 | ||
108 | /* ALPS Modules with non-standard id */ | |
109 | { USB_DEVICE(0x044e, 0x3001) }, | |
110 | { USB_DEVICE(0x044e, 0x3002) }, | |
111 | ||
112 | /* Ericsson with non-standard id */ | |
113 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
114 | ||
115 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 116 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 117 | |
d13431ca WJS |
118 | /* Broadcom BCM20702A0 */ |
119 | { USB_DEVICE(0x413c, 0x8197) }, | |
120 | ||
d049f4e5 MH |
121 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
122 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, | |
123 | ||
98514036 | 124 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
125 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
126 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 127 | |
8f0c304c MD |
128 | /* Lite-On Technology - Broadcom based */ |
129 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), | |
130 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
131 | ||
0b880062 | 132 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
133 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
134 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 135 | |
c2aef6e8 | 136 | /* ASUSTek Computer - Broadcom based */ |
9a5abdaa RD |
137 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
138 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
c2aef6e8 | 139 | |
5bcecf32 | 140 | /* Belkin F8065bf - Broadcom based */ |
6331c686 MH |
141 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), |
142 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
5bcecf32 | 143 | |
9113bfd8 | 144 | /* IMC Networks - Broadcom based */ |
6331c686 MH |
145 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), |
146 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
9113bfd8 | 147 | |
40df783d | 148 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
149 | { USB_DEVICE(0x8087, 0x0a5a), |
150 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 151 | |
5e23b923 MH |
152 | { } /* Terminating entry */ |
153 | }; | |
154 | ||
155 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
156 | ||
54265202 | 157 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
158 | /* CSR BlueCore devices */ |
159 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
160 | ||
161 | /* Broadcom BCM2033 without firmware */ | |
162 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
163 | ||
be93112a | 164 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
165 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
166 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
2eeff0b4 | 167 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, |
0b880062 | 168 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 169 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 170 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 171 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 172 | |
509e7861 CYC |
173 | /* Atheros AR9285 Malbec with sflash firmware */ |
174 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
175 | ||
d9f51b51 | 176 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
177 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
178 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
179 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
180 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
181 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
4b552bc9 | 182 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
183 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
184 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
185 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
186 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 187 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
188 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
189 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
ec0810d2 | 190 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, |
134d3b35 | 191 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
192 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
193 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
89d2975f | 194 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 195 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 196 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 197 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 198 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 199 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 200 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 201 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 202 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 203 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 204 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 205 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 206 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
ca79f232 | 207 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
208 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
209 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 210 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 211 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 212 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
033efa92 | 213 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 214 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 215 | |
e9036e33 CYC |
216 | /* Atheros AR5BBU12 with sflash firmware */ |
217 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
218 | ||
85d59726 | 219 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 220 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 221 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 222 | |
3267c884 | 223 | /* QCA ROME chipset */ |
2054111b | 224 | { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME }, |
c9e44474 MH |
225 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME }, |
226 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME }, | |
3267c884 | 227 | |
cfeb4145 | 228 | /* Broadcom BCM2035 */ |
7a9d4020 | 229 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
230 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
231 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
232 | |
233 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
234 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
235 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 236 | |
cfeb4145 | 237 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
238 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
239 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
240 | |
241 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 242 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
243 | |
244 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 245 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 246 | |
5ddd4a60 | 247 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 248 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 249 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 250 | |
7a9d4020 MH |
251 | /* Belkin F8T012 and F8T013 devices */ |
252 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
253 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 254 | |
5ddd4a60 MH |
255 | /* Asus WL-BTD202 device */ |
256 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
257 | ||
258 | /* Kensington Bluetooth USB adapter */ | |
259 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
260 | ||
cfeb4145 MH |
261 | /* RTX Telecom based adapters with buggy SCO support */ |
262 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
263 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
264 | ||
265 | /* CONWISE Technology based adapters with buggy SCO support */ | |
266 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
267 | ||
4fcef8ed MH |
268 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
269 | { USB_DEVICE(0x1300, 0x0001), .driver_info = BTUSB_SWAVE }, | |
270 | ||
cfeb4145 MH |
271 | /* Digianswer devices */ |
272 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
273 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
274 | ||
275 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
276 | { USB_DEVICE(0x0a12, 0x0002), |
277 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
278 | |
279 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
280 | { USB_DEVICE(0x16d3, 0x0002), |
281 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 282 | |
cb1ee89f MH |
283 | /* Marvell Bluetooth devices */ |
284 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
285 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
286 | ||
d0ac9eb7 | 287 | /* Intel Bluetooth devices */ |
407550fe | 288 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, |
dffd30ee | 289 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
ef4e5e4a | 290 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
cda0dd78 | 291 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, |
dffd30ee | 292 | |
d0ac9eb7 MH |
293 | /* Other Intel Bluetooth devices */ |
294 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), | |
295 | .driver_info = BTUSB_IGNORE }, | |
ae8df494 | 296 | |
a2698a9b DD |
297 | /* Realtek Bluetooth devices */ |
298 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), | |
299 | .driver_info = BTUSB_REALTEK }, | |
300 | ||
301 | /* Additional Realtek 8723AE Bluetooth devices */ | |
302 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, | |
303 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, | |
304 | ||
305 | /* Additional Realtek 8723BE Bluetooth devices */ | |
306 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, | |
307 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, | |
308 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, | |
309 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, | |
310 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, | |
311 | ||
312 | /* Additional Realtek 8821AE Bluetooth devices */ | |
313 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, | |
314 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, | |
315 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, | |
316 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, | |
317 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, | |
318 | ||
5e23b923 MH |
319 | { } /* Terminating entry */ |
320 | }; | |
321 | ||
9bfa35fe MH |
322 | #define BTUSB_MAX_ISOC_FRAMES 10 |
323 | ||
5e23b923 MH |
324 | #define BTUSB_INTR_RUNNING 0 |
325 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 326 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 327 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 328 | #define BTUSB_DID_ISO_RESUME 4 |
cda0dd78 MH |
329 | #define BTUSB_BOOTLOADER 5 |
330 | #define BTUSB_DOWNLOADING 6 | |
ce6bb929 | 331 | #define BTUSB_FIRMWARE_LOADED 7 |
cda0dd78 | 332 | #define BTUSB_FIRMWARE_FAILED 8 |
ce6bb929 | 333 | #define BTUSB_BOOTING 9 |
04b8c814 | 334 | #define BTUSB_RESET_RESUME 10 |
5e23b923 MH |
335 | |
336 | struct btusb_data { | |
337 | struct hci_dev *hdev; | |
338 | struct usb_device *udev; | |
5fbcd260 | 339 | struct usb_interface *intf; |
9bfa35fe | 340 | struct usb_interface *isoc; |
5e23b923 | 341 | |
5e23b923 MH |
342 | unsigned long flags; |
343 | ||
344 | struct work_struct work; | |
7bee549e | 345 | struct work_struct waker; |
5e23b923 | 346 | |
803b5836 | 347 | struct usb_anchor deferred; |
5e23b923 | 348 | struct usb_anchor tx_anchor; |
803b5836 MH |
349 | int tx_in_flight; |
350 | spinlock_t txlock; | |
351 | ||
5e23b923 MH |
352 | struct usb_anchor intr_anchor; |
353 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 354 | struct usb_anchor isoc_anchor; |
803b5836 MH |
355 | spinlock_t rxlock; |
356 | ||
357 | struct sk_buff *evt_skb; | |
358 | struct sk_buff *acl_skb; | |
359 | struct sk_buff *sco_skb; | |
5e23b923 MH |
360 | |
361 | struct usb_endpoint_descriptor *intr_ep; | |
362 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
363 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
364 | struct usb_endpoint_descriptor *isoc_tx_ep; |
365 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
366 | ||
7a9d4020 | 367 | __u8 cmdreq_type; |
893ba544 | 368 | __u8 cmdreq; |
7a9d4020 | 369 | |
43c2e57f | 370 | unsigned int sco_num; |
9bfa35fe | 371 | int isoc_altsetting; |
6a88adf2 | 372 | int suspend_count; |
2cbd3f5c | 373 | |
97307f51 | 374 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
2cbd3f5c | 375 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
ace31982 KBYT |
376 | |
377 | int (*setup_on_usb)(struct hci_dev *hdev); | |
5e23b923 MH |
378 | }; |
379 | ||
803b5836 MH |
380 | static inline void btusb_free_frags(struct btusb_data *data) |
381 | { | |
382 | unsigned long flags; | |
383 | ||
384 | spin_lock_irqsave(&data->rxlock, flags); | |
385 | ||
386 | kfree_skb(data->evt_skb); | |
387 | data->evt_skb = NULL; | |
388 | ||
389 | kfree_skb(data->acl_skb); | |
390 | data->acl_skb = NULL; | |
391 | ||
392 | kfree_skb(data->sco_skb); | |
393 | data->sco_skb = NULL; | |
394 | ||
395 | spin_unlock_irqrestore(&data->rxlock, flags); | |
396 | } | |
397 | ||
1ffa4ad0 MH |
398 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
399 | { | |
803b5836 MH |
400 | struct sk_buff *skb; |
401 | int err = 0; | |
402 | ||
403 | spin_lock(&data->rxlock); | |
404 | skb = data->evt_skb; | |
405 | ||
406 | while (count) { | |
407 | int len; | |
408 | ||
409 | if (!skb) { | |
410 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
411 | if (!skb) { | |
412 | err = -ENOMEM; | |
413 | break; | |
414 | } | |
415 | ||
416 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
417 | bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE; | |
418 | } | |
419 | ||
420 | len = min_t(uint, bt_cb(skb)->expect, count); | |
421 | memcpy(skb_put(skb, len), buffer, len); | |
422 | ||
423 | count -= len; | |
424 | buffer += len; | |
425 | bt_cb(skb)->expect -= len; | |
426 | ||
427 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
428 | /* Complete event header */ | |
429 | bt_cb(skb)->expect = hci_event_hdr(skb)->plen; | |
430 | ||
431 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
432 | kfree_skb(skb); | |
433 | skb = NULL; | |
434 | ||
435 | err = -EILSEQ; | |
436 | break; | |
437 | } | |
438 | } | |
439 | ||
440 | if (bt_cb(skb)->expect == 0) { | |
441 | /* Complete frame */ | |
97307f51 | 442 | data->recv_event(data->hdev, skb); |
803b5836 MH |
443 | skb = NULL; |
444 | } | |
445 | } | |
446 | ||
447 | data->evt_skb = skb; | |
448 | spin_unlock(&data->rxlock); | |
449 | ||
450 | return err; | |
1ffa4ad0 MH |
451 | } |
452 | ||
453 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
454 | { | |
803b5836 MH |
455 | struct sk_buff *skb; |
456 | int err = 0; | |
457 | ||
458 | spin_lock(&data->rxlock); | |
459 | skb = data->acl_skb; | |
460 | ||
461 | while (count) { | |
462 | int len; | |
463 | ||
464 | if (!skb) { | |
465 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
466 | if (!skb) { | |
467 | err = -ENOMEM; | |
468 | break; | |
469 | } | |
470 | ||
471 | bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; | |
472 | bt_cb(skb)->expect = HCI_ACL_HDR_SIZE; | |
473 | } | |
474 | ||
475 | len = min_t(uint, bt_cb(skb)->expect, count); | |
476 | memcpy(skb_put(skb, len), buffer, len); | |
477 | ||
478 | count -= len; | |
479 | buffer += len; | |
480 | bt_cb(skb)->expect -= len; | |
481 | ||
482 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
483 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
484 | ||
485 | /* Complete ACL header */ | |
486 | bt_cb(skb)->expect = __le16_to_cpu(dlen); | |
487 | ||
488 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
489 | kfree_skb(skb); | |
490 | skb = NULL; | |
491 | ||
492 | err = -EILSEQ; | |
493 | break; | |
494 | } | |
495 | } | |
496 | ||
497 | if (bt_cb(skb)->expect == 0) { | |
498 | /* Complete frame */ | |
499 | hci_recv_frame(data->hdev, skb); | |
500 | skb = NULL; | |
501 | } | |
502 | } | |
503 | ||
504 | data->acl_skb = skb; | |
505 | spin_unlock(&data->rxlock); | |
506 | ||
507 | return err; | |
1ffa4ad0 MH |
508 | } |
509 | ||
510 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
511 | { | |
803b5836 MH |
512 | struct sk_buff *skb; |
513 | int err = 0; | |
514 | ||
515 | spin_lock(&data->rxlock); | |
516 | skb = data->sco_skb; | |
517 | ||
518 | while (count) { | |
519 | int len; | |
520 | ||
521 | if (!skb) { | |
522 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
523 | if (!skb) { | |
524 | err = -ENOMEM; | |
525 | break; | |
526 | } | |
527 | ||
528 | bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; | |
529 | bt_cb(skb)->expect = HCI_SCO_HDR_SIZE; | |
530 | } | |
531 | ||
532 | len = min_t(uint, bt_cb(skb)->expect, count); | |
533 | memcpy(skb_put(skb, len), buffer, len); | |
534 | ||
535 | count -= len; | |
536 | buffer += len; | |
537 | bt_cb(skb)->expect -= len; | |
538 | ||
539 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
540 | /* Complete SCO header */ | |
541 | bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen; | |
542 | ||
543 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
544 | kfree_skb(skb); | |
545 | skb = NULL; | |
546 | ||
547 | err = -EILSEQ; | |
548 | break; | |
549 | } | |
550 | } | |
551 | ||
552 | if (bt_cb(skb)->expect == 0) { | |
553 | /* Complete frame */ | |
554 | hci_recv_frame(data->hdev, skb); | |
555 | skb = NULL; | |
556 | } | |
557 | } | |
558 | ||
559 | data->sco_skb = skb; | |
560 | spin_unlock(&data->rxlock); | |
561 | ||
562 | return err; | |
1ffa4ad0 MH |
563 | } |
564 | ||
5e23b923 MH |
565 | static void btusb_intr_complete(struct urb *urb) |
566 | { | |
567 | struct hci_dev *hdev = urb->context; | |
155961e8 | 568 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
569 | int err; |
570 | ||
89e7533d MH |
571 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
572 | urb->actual_length); | |
5e23b923 MH |
573 | |
574 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
575 | return; | |
576 | ||
577 | if (urb->status == 0) { | |
9bfa35fe MH |
578 | hdev->stat.byte_rx += urb->actual_length; |
579 | ||
1ffa4ad0 MH |
580 | if (btusb_recv_intr(data, urb->transfer_buffer, |
581 | urb->actual_length) < 0) { | |
5e23b923 MH |
582 | BT_ERR("%s corrupted event packet", hdev->name); |
583 | hdev->stat.err_rx++; | |
584 | } | |
85560c4a CC |
585 | } else if (urb->status == -ENOENT) { |
586 | /* Avoid suspend failed when usb_kill_urb */ | |
587 | return; | |
5e23b923 MH |
588 | } |
589 | ||
590 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
591 | return; | |
592 | ||
7bee549e | 593 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
594 | usb_anchor_urb(urb, &data->intr_anchor); |
595 | ||
596 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
597 | if (err < 0) { | |
4935f1c1 PB |
598 | /* -EPERM: urb is being killed; |
599 | * -ENODEV: device got disconnected */ | |
600 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 601 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 602 | hdev->name, urb, -err); |
5e23b923 MH |
603 | usb_unanchor_urb(urb); |
604 | } | |
605 | } | |
606 | ||
2eda66f4 | 607 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 608 | { |
155961e8 | 609 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
610 | struct urb *urb; |
611 | unsigned char *buf; | |
612 | unsigned int pipe; | |
613 | int err, size; | |
614 | ||
615 | BT_DBG("%s", hdev->name); | |
616 | ||
9bfa35fe MH |
617 | if (!data->intr_ep) |
618 | return -ENODEV; | |
619 | ||
2eda66f4 | 620 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
621 | if (!urb) |
622 | return -ENOMEM; | |
623 | ||
624 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
625 | ||
2eda66f4 | 626 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
627 | if (!buf) { |
628 | usb_free_urb(urb); | |
629 | return -ENOMEM; | |
630 | } | |
631 | ||
632 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
633 | ||
634 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 635 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
636 | |
637 | urb->transfer_flags |= URB_FREE_BUFFER; | |
638 | ||
639 | usb_anchor_urb(urb, &data->intr_anchor); | |
640 | ||
2eda66f4 | 641 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 642 | if (err < 0) { |
d4b8d1c9 PB |
643 | if (err != -EPERM && err != -ENODEV) |
644 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 645 | hdev->name, urb, -err); |
5e23b923 | 646 | usb_unanchor_urb(urb); |
5e23b923 MH |
647 | } |
648 | ||
649 | usb_free_urb(urb); | |
650 | ||
651 | return err; | |
652 | } | |
653 | ||
654 | static void btusb_bulk_complete(struct urb *urb) | |
655 | { | |
656 | struct hci_dev *hdev = urb->context; | |
155961e8 | 657 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
658 | int err; |
659 | ||
89e7533d MH |
660 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
661 | urb->actual_length); | |
5e23b923 MH |
662 | |
663 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
664 | return; | |
665 | ||
666 | if (urb->status == 0) { | |
9bfa35fe MH |
667 | hdev->stat.byte_rx += urb->actual_length; |
668 | ||
2cbd3f5c | 669 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 670 | urb->actual_length) < 0) { |
5e23b923 MH |
671 | BT_ERR("%s corrupted ACL packet", hdev->name); |
672 | hdev->stat.err_rx++; | |
673 | } | |
85560c4a CC |
674 | } else if (urb->status == -ENOENT) { |
675 | /* Avoid suspend failed when usb_kill_urb */ | |
676 | return; | |
5e23b923 MH |
677 | } |
678 | ||
679 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
680 | return; | |
681 | ||
682 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 683 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
684 | |
685 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
686 | if (err < 0) { | |
4935f1c1 PB |
687 | /* -EPERM: urb is being killed; |
688 | * -ENODEV: device got disconnected */ | |
689 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 690 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 691 | hdev->name, urb, -err); |
5e23b923 MH |
692 | usb_unanchor_urb(urb); |
693 | } | |
694 | } | |
695 | ||
2eda66f4 | 696 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 697 | { |
155961e8 | 698 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
699 | struct urb *urb; |
700 | unsigned char *buf; | |
701 | unsigned int pipe; | |
290ba200 | 702 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
703 | |
704 | BT_DBG("%s", hdev->name); | |
705 | ||
9bfa35fe MH |
706 | if (!data->bulk_rx_ep) |
707 | return -ENODEV; | |
708 | ||
2eda66f4 | 709 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
710 | if (!urb) |
711 | return -ENOMEM; | |
712 | ||
2eda66f4 | 713 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
714 | if (!buf) { |
715 | usb_free_urb(urb); | |
716 | return -ENOMEM; | |
717 | } | |
718 | ||
719 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
720 | ||
89e7533d MH |
721 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
722 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
723 | |
724 | urb->transfer_flags |= URB_FREE_BUFFER; | |
725 | ||
7bee549e | 726 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
727 | usb_anchor_urb(urb, &data->bulk_anchor); |
728 | ||
2eda66f4 | 729 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 730 | if (err < 0) { |
d4b8d1c9 PB |
731 | if (err != -EPERM && err != -ENODEV) |
732 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 733 | hdev->name, urb, -err); |
5e23b923 | 734 | usb_unanchor_urb(urb); |
5e23b923 MH |
735 | } |
736 | ||
737 | usb_free_urb(urb); | |
738 | ||
739 | return err; | |
740 | } | |
741 | ||
9bfa35fe MH |
742 | static void btusb_isoc_complete(struct urb *urb) |
743 | { | |
744 | struct hci_dev *hdev = urb->context; | |
155961e8 | 745 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
746 | int i, err; |
747 | ||
89e7533d MH |
748 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
749 | urb->actual_length); | |
9bfa35fe MH |
750 | |
751 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
752 | return; | |
753 | ||
754 | if (urb->status == 0) { | |
755 | for (i = 0; i < urb->number_of_packets; i++) { | |
756 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
757 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
758 | ||
759 | if (urb->iso_frame_desc[i].status) | |
760 | continue; | |
761 | ||
762 | hdev->stat.byte_rx += length; | |
763 | ||
1ffa4ad0 MH |
764 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
765 | length) < 0) { | |
9bfa35fe MH |
766 | BT_ERR("%s corrupted SCO packet", hdev->name); |
767 | hdev->stat.err_rx++; | |
768 | } | |
769 | } | |
85560c4a CC |
770 | } else if (urb->status == -ENOENT) { |
771 | /* Avoid suspend failed when usb_kill_urb */ | |
772 | return; | |
9bfa35fe MH |
773 | } |
774 | ||
775 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
776 | return; | |
777 | ||
778 | usb_anchor_urb(urb, &data->isoc_anchor); | |
779 | ||
780 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
781 | if (err < 0) { | |
4935f1c1 PB |
782 | /* -EPERM: urb is being killed; |
783 | * -ENODEV: device got disconnected */ | |
784 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 785 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 786 | hdev->name, urb, -err); |
9bfa35fe MH |
787 | usb_unanchor_urb(urb); |
788 | } | |
789 | } | |
790 | ||
42b16b3f | 791 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
792 | { |
793 | int i, offset = 0; | |
794 | ||
795 | BT_DBG("len %d mtu %d", len, mtu); | |
796 | ||
797 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
798 | i++, offset += mtu, len -= mtu) { | |
799 | urb->iso_frame_desc[i].offset = offset; | |
800 | urb->iso_frame_desc[i].length = mtu; | |
801 | } | |
802 | ||
803 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
804 | urb->iso_frame_desc[i].offset = offset; | |
805 | urb->iso_frame_desc[i].length = len; | |
806 | i++; | |
807 | } | |
808 | ||
809 | urb->number_of_packets = i; | |
810 | } | |
811 | ||
2eda66f4 | 812 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 813 | { |
155961e8 | 814 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
815 | struct urb *urb; |
816 | unsigned char *buf; | |
817 | unsigned int pipe; | |
818 | int err, size; | |
819 | ||
820 | BT_DBG("%s", hdev->name); | |
821 | ||
822 | if (!data->isoc_rx_ep) | |
823 | return -ENODEV; | |
824 | ||
2eda66f4 | 825 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
826 | if (!urb) |
827 | return -ENOMEM; | |
828 | ||
829 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
830 | BTUSB_MAX_ISOC_FRAMES; | |
831 | ||
2eda66f4 | 832 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
833 | if (!buf) { |
834 | usb_free_urb(urb); | |
835 | return -ENOMEM; | |
836 | } | |
837 | ||
838 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
839 | ||
fa0fb93f | 840 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 841 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 842 | |
89e7533d | 843 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
844 | |
845 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 846 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
847 | |
848 | usb_anchor_urb(urb, &data->isoc_anchor); | |
849 | ||
2eda66f4 | 850 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 851 | if (err < 0) { |
d4b8d1c9 PB |
852 | if (err != -EPERM && err != -ENODEV) |
853 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 854 | hdev->name, urb, -err); |
9bfa35fe | 855 | usb_unanchor_urb(urb); |
9bfa35fe MH |
856 | } |
857 | ||
858 | usb_free_urb(urb); | |
859 | ||
860 | return err; | |
861 | } | |
862 | ||
5e23b923 | 863 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
864 | { |
865 | struct sk_buff *skb = urb->context; | |
89e7533d | 866 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 867 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 868 | |
89e7533d MH |
869 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
870 | urb->actual_length); | |
7bee549e ON |
871 | |
872 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
873 | goto done; | |
874 | ||
875 | if (!urb->status) | |
876 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
877 | else | |
878 | hdev->stat.err_tx++; | |
879 | ||
880 | done: | |
881 | spin_lock(&data->txlock); | |
882 | data->tx_in_flight--; | |
883 | spin_unlock(&data->txlock); | |
884 | ||
885 | kfree(urb->setup_packet); | |
886 | ||
887 | kfree_skb(skb); | |
888 | } | |
889 | ||
890 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
891 | { |
892 | struct sk_buff *skb = urb->context; | |
89e7533d | 893 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 894 | |
89e7533d MH |
895 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
896 | urb->actual_length); | |
5e23b923 MH |
897 | |
898 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
899 | goto done; | |
900 | ||
901 | if (!urb->status) | |
902 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
903 | else | |
904 | hdev->stat.err_tx++; | |
905 | ||
906 | done: | |
907 | kfree(urb->setup_packet); | |
908 | ||
909 | kfree_skb(skb); | |
910 | } | |
911 | ||
912 | static int btusb_open(struct hci_dev *hdev) | |
913 | { | |
155961e8 | 914 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
915 | int err; |
916 | ||
917 | BT_DBG("%s", hdev->name); | |
918 | ||
ace31982 KBYT |
919 | /* Patching USB firmware files prior to starting any URBs of HCI path |
920 | * It is more safe to use USB bulk channel for downloading USB patch | |
921 | */ | |
922 | if (data->setup_on_usb) { | |
923 | err = data->setup_on_usb(hdev); | |
eb50042f | 924 | if (err < 0) |
ace31982 KBYT |
925 | return err; |
926 | } | |
927 | ||
7bee549e ON |
928 | err = usb_autopm_get_interface(data->intf); |
929 | if (err < 0) | |
930 | return err; | |
931 | ||
932 | data->intf->needs_remote_wakeup = 1; | |
933 | ||
5e23b923 | 934 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 935 | goto done; |
5e23b923 MH |
936 | |
937 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 938 | goto done; |
5e23b923 | 939 | |
2eda66f4 | 940 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
941 | if (err < 0) |
942 | goto failed; | |
943 | ||
944 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 945 | if (err < 0) { |
43c2e57f MH |
946 | usb_kill_anchored_urbs(&data->intr_anchor); |
947 | goto failed; | |
5e23b923 MH |
948 | } |
949 | ||
43c2e57f MH |
950 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
951 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
952 | ||
7bee549e ON |
953 | done: |
954 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
955 | return 0; |
956 | ||
957 | failed: | |
958 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
959 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 960 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
961 | return err; |
962 | } | |
963 | ||
7bee549e ON |
964 | static void btusb_stop_traffic(struct btusb_data *data) |
965 | { | |
966 | usb_kill_anchored_urbs(&data->intr_anchor); | |
967 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
968 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
969 | } | |
970 | ||
5e23b923 MH |
971 | static int btusb_close(struct hci_dev *hdev) |
972 | { | |
155961e8 | 973 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 974 | int err; |
5e23b923 MH |
975 | |
976 | BT_DBG("%s", hdev->name); | |
977 | ||
978 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
979 | return 0; | |
980 | ||
e8c3c3d2 | 981 | cancel_work_sync(&data->work); |
404291ac | 982 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 983 | |
9bfa35fe | 984 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 985 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 986 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
987 | |
988 | btusb_stop_traffic(data); | |
803b5836 MH |
989 | btusb_free_frags(data); |
990 | ||
7bee549e ON |
991 | err = usb_autopm_get_interface(data->intf); |
992 | if (err < 0) | |
7b8e2c1d | 993 | goto failed; |
7bee549e ON |
994 | |
995 | data->intf->needs_remote_wakeup = 0; | |
996 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 997 | |
7b8e2c1d ON |
998 | failed: |
999 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
1000 | return 0; |
1001 | } | |
1002 | ||
1003 | static int btusb_flush(struct hci_dev *hdev) | |
1004 | { | |
155961e8 | 1005 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1006 | |
1007 | BT_DBG("%s", hdev->name); | |
1008 | ||
1009 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 1010 | btusb_free_frags(data); |
5e23b923 MH |
1011 | |
1012 | return 0; | |
1013 | } | |
1014 | ||
047b2ec8 | 1015 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 1016 | { |
155961e8 | 1017 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1018 | struct usb_ctrlrequest *dr; |
1019 | struct urb *urb; | |
1020 | unsigned int pipe; | |
5e23b923 | 1021 | |
047b2ec8 MH |
1022 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1023 | if (!urb) | |
1024 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1025 | |
047b2ec8 MH |
1026 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
1027 | if (!dr) { | |
1028 | usb_free_urb(urb); | |
1029 | return ERR_PTR(-ENOMEM); | |
1030 | } | |
5e23b923 | 1031 | |
047b2ec8 | 1032 | dr->bRequestType = data->cmdreq_type; |
893ba544 | 1033 | dr->bRequest = data->cmdreq; |
047b2ec8 MH |
1034 | dr->wIndex = 0; |
1035 | dr->wValue = 0; | |
1036 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 1037 | |
047b2ec8 | 1038 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 1039 | |
89e7533d | 1040 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 1041 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 1042 | |
89e7533d | 1043 | skb->dev = (void *)hdev; |
5e23b923 | 1044 | |
047b2ec8 MH |
1045 | return urb; |
1046 | } | |
5e23b923 | 1047 | |
047b2ec8 MH |
1048 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1049 | { | |
1050 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1051 | struct urb *urb; | |
1052 | unsigned int pipe; | |
5e23b923 | 1053 | |
047b2ec8 MH |
1054 | if (!data->bulk_tx_ep) |
1055 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1056 | |
047b2ec8 MH |
1057 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1058 | if (!urb) | |
1059 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1060 | |
047b2ec8 | 1061 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 1062 | |
047b2ec8 MH |
1063 | usb_fill_bulk_urb(urb, data->udev, pipe, |
1064 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 1065 | |
89e7533d | 1066 | skb->dev = (void *)hdev; |
5e23b923 | 1067 | |
047b2ec8 MH |
1068 | return urb; |
1069 | } | |
9bfa35fe | 1070 | |
047b2ec8 MH |
1071 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1072 | { | |
1073 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1074 | struct urb *urb; | |
1075 | unsigned int pipe; | |
9bfa35fe | 1076 | |
047b2ec8 MH |
1077 | if (!data->isoc_tx_ep) |
1078 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1079 | |
047b2ec8 MH |
1080 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1081 | if (!urb) | |
1082 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1083 | |
047b2ec8 | 1084 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1085 | |
047b2ec8 MH |
1086 | usb_fill_int_urb(urb, data->udev, pipe, |
1087 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1088 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1089 | |
047b2ec8 | 1090 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1091 | |
047b2ec8 MH |
1092 | __fill_isoc_descriptor(urb, skb->len, |
1093 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1094 | |
89e7533d | 1095 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1096 | |
1097 | return urb; | |
1098 | } | |
1099 | ||
1100 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1101 | { | |
1102 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1103 | int err; | |
7bee549e | 1104 | |
5e23b923 MH |
1105 | usb_anchor_urb(urb, &data->tx_anchor); |
1106 | ||
e9753eff | 1107 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1108 | if (err < 0) { |
5a9b80e2 PB |
1109 | if (err != -EPERM && err != -ENODEV) |
1110 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 1111 | hdev->name, urb, -err); |
5e23b923 MH |
1112 | kfree(urb->setup_packet); |
1113 | usb_unanchor_urb(urb); | |
7bee549e ON |
1114 | } else { |
1115 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1116 | } |
1117 | ||
54a8a79c | 1118 | usb_free_urb(urb); |
5e23b923 MH |
1119 | return err; |
1120 | } | |
1121 | ||
047b2ec8 MH |
1122 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1123 | { | |
1124 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1125 | unsigned long flags; | |
1126 | bool suspending; | |
1127 | ||
1128 | spin_lock_irqsave(&data->txlock, flags); | |
1129 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1130 | if (!suspending) | |
1131 | data->tx_in_flight++; | |
1132 | spin_unlock_irqrestore(&data->txlock, flags); | |
1133 | ||
1134 | if (!suspending) | |
1135 | return submit_tx_urb(hdev, urb); | |
1136 | ||
1137 | usb_anchor_urb(urb, &data->deferred); | |
1138 | schedule_work(&data->waker); | |
1139 | ||
1140 | usb_free_urb(urb); | |
1141 | return 0; | |
1142 | } | |
1143 | ||
1144 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1145 | { | |
1146 | struct urb *urb; | |
1147 | ||
1148 | BT_DBG("%s", hdev->name); | |
1149 | ||
1150 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1151 | return -EBUSY; | |
1152 | ||
1153 | switch (bt_cb(skb)->pkt_type) { | |
1154 | case HCI_COMMAND_PKT: | |
1155 | urb = alloc_ctrl_urb(hdev, skb); | |
1156 | if (IS_ERR(urb)) | |
1157 | return PTR_ERR(urb); | |
1158 | ||
1159 | hdev->stat.cmd_tx++; | |
1160 | return submit_or_queue_tx_urb(hdev, urb); | |
1161 | ||
1162 | case HCI_ACLDATA_PKT: | |
1163 | urb = alloc_bulk_urb(hdev, skb); | |
1164 | if (IS_ERR(urb)) | |
1165 | return PTR_ERR(urb); | |
1166 | ||
1167 | hdev->stat.acl_tx++; | |
1168 | return submit_or_queue_tx_urb(hdev, urb); | |
1169 | ||
1170 | case HCI_SCODATA_PKT: | |
1171 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1172 | return -ENODEV; | |
1173 | ||
1174 | urb = alloc_isoc_urb(hdev, skb); | |
1175 | if (IS_ERR(urb)) | |
1176 | return PTR_ERR(urb); | |
1177 | ||
1178 | hdev->stat.sco_tx++; | |
1179 | return submit_tx_urb(hdev, urb); | |
1180 | } | |
1181 | ||
1182 | return -EILSEQ; | |
1183 | } | |
1184 | ||
5e23b923 MH |
1185 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1186 | { | |
155961e8 | 1187 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1188 | |
1189 | BT_DBG("%s evt %d", hdev->name, evt); | |
1190 | ||
014f7bc7 MH |
1191 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1192 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1193 | schedule_work(&data->work); |
a780efa8 | 1194 | } |
5e23b923 MH |
1195 | } |
1196 | ||
42b16b3f | 1197 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1198 | { |
155961e8 | 1199 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1200 | struct usb_interface *intf = data->isoc; |
1201 | struct usb_endpoint_descriptor *ep_desc; | |
1202 | int i, err; | |
1203 | ||
1204 | if (!data->isoc) | |
1205 | return -ENODEV; | |
1206 | ||
1207 | err = usb_set_interface(data->udev, 1, altsetting); | |
1208 | if (err < 0) { | |
1209 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
1210 | return err; | |
1211 | } | |
1212 | ||
1213 | data->isoc_altsetting = altsetting; | |
1214 | ||
1215 | data->isoc_tx_ep = NULL; | |
1216 | data->isoc_rx_ep = NULL; | |
1217 | ||
1218 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1219 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1220 | ||
1221 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1222 | data->isoc_tx_ep = ep_desc; | |
1223 | continue; | |
1224 | } | |
1225 | ||
1226 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1227 | data->isoc_rx_ep = ep_desc; | |
1228 | continue; | |
1229 | } | |
1230 | } | |
1231 | ||
1232 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
1233 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
1234 | return -ENODEV; | |
1235 | } | |
1236 | ||
1237 | return 0; | |
1238 | } | |
1239 | ||
5e23b923 MH |
1240 | static void btusb_work(struct work_struct *work) |
1241 | { | |
1242 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1243 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1244 | int new_alts; |
7bee549e | 1245 | int err; |
5e23b923 | 1246 | |
014f7bc7 | 1247 | if (data->sco_num > 0) { |
08b8b6c4 | 1248 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1249 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1250 | if (err < 0) { |
1251 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1252 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1253 | return; | |
1254 | } | |
1255 | ||
08b8b6c4 | 1256 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1257 | } |
f4001d28 MA |
1258 | |
1259 | if (hdev->voice_setting & 0x0020) { | |
1260 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1261 | |
014f7bc7 | 1262 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1263 | } else { |
014f7bc7 | 1264 | new_alts = data->sco_num; |
f4001d28 MA |
1265 | } |
1266 | ||
1267 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
1268 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1269 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1270 | ||
f4001d28 | 1271 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1272 | return; |
1273 | } | |
1274 | ||
1275 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1276 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1277 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1278 | else | |
2eda66f4 | 1279 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1280 | } |
1281 | } else { | |
1282 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1283 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1284 | ||
1285 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1286 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1287 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1288 | } |
1289 | } | |
1290 | ||
7bee549e ON |
1291 | static void btusb_waker(struct work_struct *work) |
1292 | { | |
1293 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1294 | int err; | |
1295 | ||
1296 | err = usb_autopm_get_interface(data->intf); | |
1297 | if (err < 0) | |
1298 | return; | |
1299 | ||
1300 | usb_autopm_put_interface(data->intf); | |
1301 | } | |
1302 | ||
6576fe4a DD |
1303 | static struct sk_buff *btusb_read_local_version(struct hci_dev *hdev) |
1304 | { | |
1305 | struct sk_buff *skb; | |
1306 | ||
1307 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1308 | HCI_INIT_TIMEOUT); | |
1309 | if (IS_ERR(skb)) { | |
1310 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
1311 | hdev->name, PTR_ERR(skb)); | |
1312 | return skb; | |
1313 | } | |
1314 | ||
1315 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { | |
1316 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
1317 | hdev->name); | |
1318 | kfree_skb(skb); | |
1319 | return ERR_PTR(-EIO); | |
1320 | } | |
1321 | ||
1322 | return skb; | |
1323 | } | |
1324 | ||
9f8f962c MH |
1325 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1326 | { | |
1327 | struct sk_buff *skb; | |
1328 | u8 val = 0x00; | |
1329 | ||
1330 | BT_DBG("%s", hdev->name); | |
1331 | ||
1332 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1333 | if (IS_ERR(skb)) | |
1334 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
1335 | else | |
1336 | kfree_skb(skb); | |
1337 | ||
1338 | return 0; | |
1339 | } | |
1340 | ||
81cac64b MH |
1341 | static int btusb_setup_csr(struct hci_dev *hdev) |
1342 | { | |
1343 | struct hci_rp_read_local_version *rp; | |
1344 | struct sk_buff *skb; | |
1345 | int ret; | |
1346 | ||
1347 | BT_DBG("%s", hdev->name); | |
1348 | ||
6576fe4a DD |
1349 | skb = btusb_read_local_version(hdev); |
1350 | if (IS_ERR(skb)) | |
81cac64b | 1351 | return -PTR_ERR(skb); |
81cac64b | 1352 | |
89e7533d | 1353 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b MH |
1354 | |
1355 | if (!rp->status) { | |
1356 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
1357 | /* Clear the reset quirk since this is not an actual | |
1358 | * early Bluetooth 1.1 device from CSR. | |
1359 | */ | |
1360 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
1361 | ||
1362 | /* These fake CSR controllers have all a broken | |
1363 | * stored link key handling and so just disable it. | |
1364 | */ | |
1365 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
1366 | &hdev->quirks); | |
1367 | } | |
1368 | } | |
1369 | ||
1370 | ret = -bt_to_errno(rp->status); | |
1371 | ||
1372 | kfree_skb(skb); | |
1373 | ||
1374 | return ret; | |
1375 | } | |
1376 | ||
dffd30ee | 1377 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
89e7533d | 1378 | struct intel_version *ver) |
dffd30ee THJA |
1379 | { |
1380 | const struct firmware *fw; | |
1381 | char fwname[64]; | |
1382 | int ret; | |
1383 | ||
1384 | snprintf(fwname, sizeof(fwname), | |
1385 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1386 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1387 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1388 | ver->fw_build_ww, ver->fw_build_yy); | |
1389 | ||
1390 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1391 | if (ret < 0) { | |
1392 | if (ret == -EINVAL) { | |
1393 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1394 | hdev->name, ret); | |
1395 | return NULL; | |
1396 | } | |
1397 | ||
1398 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1399 | hdev->name, fwname, ret); | |
1400 | ||
1401 | /* If the correct firmware patch file is not found, use the | |
1402 | * default firmware patch file instead | |
1403 | */ | |
1404 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1405 | ver->hw_platform, ver->hw_variant); | |
1406 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1407 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1408 | hdev->name, fwname); | |
1409 | return NULL; | |
1410 | } | |
1411 | } | |
1412 | ||
1413 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1414 | ||
1415 | return fw; | |
1416 | } | |
1417 | ||
1418 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1419 | const struct firmware *fw, | |
1420 | const u8 **fw_ptr, int *disable_patch) | |
1421 | { | |
1422 | struct sk_buff *skb; | |
1423 | struct hci_command_hdr *cmd; | |
1424 | const u8 *cmd_param; | |
1425 | struct hci_event_hdr *evt = NULL; | |
1426 | const u8 *evt_param = NULL; | |
1427 | int remain = fw->size - (*fw_ptr - fw->data); | |
1428 | ||
1429 | /* The first byte indicates the types of the patch command or event. | |
1430 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1431 | * in the current firmware buffer doesn't start with 0x01 or | |
1432 | * the size of remain buffer is smaller than HCI command header, | |
1433 | * the firmware file is corrupted and it should stop the patching | |
1434 | * process. | |
1435 | */ | |
1436 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1437 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1438 | return -EINVAL; | |
1439 | } | |
1440 | (*fw_ptr)++; | |
1441 | remain--; | |
1442 | ||
1443 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1444 | *fw_ptr += sizeof(*cmd); | |
1445 | remain -= sizeof(*cmd); | |
1446 | ||
1447 | /* Ensure that the remain firmware data is long enough than the length | |
1448 | * of command parameter. If not, the firmware file is corrupted. | |
1449 | */ | |
1450 | if (remain < cmd->plen) { | |
1451 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1452 | return -EFAULT; | |
1453 | } | |
1454 | ||
1455 | /* If there is a command that loads a patch in the firmware | |
1456 | * file, then enable the patch upon success, otherwise just | |
1457 | * disable the manufacturer mode, for example patch activation | |
1458 | * is not required when the default firmware patch file is used | |
1459 | * because there are no patch data to load. | |
1460 | */ | |
1461 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1462 | *disable_patch = 0; | |
1463 | ||
1464 | cmd_param = *fw_ptr; | |
1465 | *fw_ptr += cmd->plen; | |
1466 | remain -= cmd->plen; | |
1467 | ||
1468 | /* This reads the expected events when the above command is sent to the | |
1469 | * device. Some vendor commands expects more than one events, for | |
1470 | * example command status event followed by vendor specific event. | |
1471 | * For this case, it only keeps the last expected event. so the command | |
1472 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1473 | * last expected event. | |
1474 | */ | |
1475 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1476 | (*fw_ptr)++; | |
1477 | remain--; | |
1478 | ||
1479 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1480 | *fw_ptr += sizeof(*evt); | |
1481 | remain -= sizeof(*evt); | |
1482 | ||
1483 | if (remain < evt->plen) { | |
1484 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1485 | hdev->name); | |
1486 | return -EFAULT; | |
1487 | } | |
1488 | ||
1489 | evt_param = *fw_ptr; | |
1490 | *fw_ptr += evt->plen; | |
1491 | remain -= evt->plen; | |
1492 | } | |
1493 | ||
1494 | /* Every HCI commands in the firmware file has its correspond event. | |
1495 | * If event is not found or remain is smaller than zero, the firmware | |
1496 | * file is corrupted. | |
1497 | */ | |
1498 | if (!evt || !evt_param || remain < 0) { | |
1499 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1500 | return -EFAULT; | |
1501 | } | |
1502 | ||
1503 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1504 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1505 | if (IS_ERR(skb)) { | |
1506 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1507 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1508 | return PTR_ERR(skb); |
dffd30ee THJA |
1509 | } |
1510 | ||
1511 | /* It ensures that the returned event matches the event data read from | |
1512 | * the firmware file. At fist, it checks the length and then | |
1513 | * the contents of the event. | |
1514 | */ | |
1515 | if (skb->len != evt->plen) { | |
1516 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1517 | le16_to_cpu(cmd->opcode)); | |
1518 | kfree_skb(skb); | |
1519 | return -EFAULT; | |
1520 | } | |
1521 | ||
1522 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1523 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1524 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1525 | kfree_skb(skb); | |
1526 | return -EFAULT; | |
1527 | } | |
1528 | kfree_skb(skb); | |
1529 | ||
1530 | return 0; | |
1531 | } | |
1532 | ||
1533 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1534 | { | |
1535 | struct sk_buff *skb; | |
1536 | const struct firmware *fw; | |
1537 | const u8 *fw_ptr; | |
1538 | int disable_patch; | |
1539 | struct intel_version *ver; | |
1540 | ||
1541 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1542 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1543 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1544 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1545 | ||
1546 | BT_DBG("%s", hdev->name); | |
1547 | ||
1548 | /* The controller has a bug with the first HCI command sent to it | |
1549 | * returning number of completed commands as zero. This would stall the | |
1550 | * command processing in the Bluetooth core. | |
1551 | * | |
1552 | * As a workaround, send HCI Reset command first which will reset the | |
1553 | * number of completed commands and allow normal command processing | |
1554 | * from now on. | |
1555 | */ | |
1556 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1557 | if (IS_ERR(skb)) { | |
1558 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1559 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1560 | return PTR_ERR(skb); |
dffd30ee THJA |
1561 | } |
1562 | kfree_skb(skb); | |
1563 | ||
1564 | /* Read Intel specific controller version first to allow selection of | |
1565 | * which firmware file to load. | |
1566 | * | |
1567 | * The returned information are hardware variant and revision plus | |
1568 | * firmware variant, revision and build number. | |
1569 | */ | |
1570 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1571 | if (IS_ERR(skb)) { | |
1572 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1573 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1574 | return PTR_ERR(skb); |
dffd30ee THJA |
1575 | } |
1576 | ||
1577 | if (skb->len != sizeof(*ver)) { | |
1578 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1579 | kfree_skb(skb); | |
1580 | return -EIO; | |
1581 | } | |
1582 | ||
1583 | ver = (struct intel_version *)skb->data; | |
dffd30ee THJA |
1584 | |
1585 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1586 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1587 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1588 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1589 | ver->fw_patch_num); | |
1590 | ||
1591 | /* fw_patch_num indicates the version of patch the device currently | |
1592 | * have. If there is no patch data in the device, it is always 0x00. | |
1593 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1594 | */ | |
1595 | if (ver->fw_patch_num) { | |
1596 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1597 | hdev->name, ver->fw_patch_num); | |
1598 | kfree_skb(skb); | |
4185a0f5 | 1599 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1600 | return 0; |
1601 | } | |
1602 | ||
1603 | /* Opens the firmware patch file based on the firmware version read | |
1604 | * from the controller. If it fails to open the matching firmware | |
1605 | * patch file, it tries to open the default firmware patch file. | |
1606 | * If no patch file is found, allow the device to operate without | |
1607 | * a patch. | |
1608 | */ | |
1609 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1610 | if (!fw) { | |
1611 | kfree_skb(skb); | |
4185a0f5 | 1612 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1613 | return 0; |
1614 | } | |
1615 | fw_ptr = fw->data; | |
1616 | ||
1617 | /* This Intel specific command enables the manufacturer mode of the | |
1618 | * controller. | |
1619 | * | |
1620 | * Only while this mode is enabled, the driver can download the | |
1621 | * firmware patch data and configuration parameters. | |
1622 | */ | |
1623 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1624 | if (IS_ERR(skb)) { | |
1625 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1626 | hdev->name, PTR_ERR(skb)); | |
1627 | release_firmware(fw); | |
d9c78e97 | 1628 | return PTR_ERR(skb); |
dffd30ee THJA |
1629 | } |
1630 | ||
dffd30ee THJA |
1631 | kfree_skb(skb); |
1632 | ||
1633 | disable_patch = 1; | |
1634 | ||
1635 | /* The firmware data file consists of list of Intel specific HCI | |
1636 | * commands and its expected events. The first byte indicates the | |
1637 | * type of the message, either HCI command or HCI event. | |
1638 | * | |
1639 | * It reads the command and its expected event from the firmware file, | |
1640 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1641 | * the returned event is compared with the event read from the firmware | |
1642 | * file and it will continue until all the messages are downloaded to | |
1643 | * the controller. | |
1644 | * | |
1645 | * Once the firmware patching is completed successfully, | |
1646 | * the manufacturer mode is disabled with reset and activating the | |
1647 | * downloaded patch. | |
1648 | * | |
1649 | * If the firmware patching fails, the manufacturer mode is | |
1650 | * disabled with reset and deactivating the patch. | |
1651 | * | |
1652 | * If the default patch file is used, no reset is done when disabling | |
1653 | * the manufacturer. | |
1654 | */ | |
1655 | while (fw->size > fw_ptr - fw->data) { | |
1656 | int ret; | |
1657 | ||
1658 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1659 | &disable_patch); | |
1660 | if (ret < 0) | |
1661 | goto exit_mfg_deactivate; | |
1662 | } | |
1663 | ||
1664 | release_firmware(fw); | |
1665 | ||
1666 | if (disable_patch) | |
1667 | goto exit_mfg_disable; | |
1668 | ||
1669 | /* Patching completed successfully and disable the manufacturer mode | |
1670 | * with reset and activate the downloaded firmware patches. | |
1671 | */ | |
1672 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1673 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1674 | if (IS_ERR(skb)) { | |
1675 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1676 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1677 | return PTR_ERR(skb); |
dffd30ee THJA |
1678 | } |
1679 | kfree_skb(skb); | |
1680 | ||
1681 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1682 | hdev->name); | |
1683 | ||
4185a0f5 | 1684 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1685 | return 0; |
1686 | ||
1687 | exit_mfg_disable: | |
1688 | /* Disable the manufacturer mode without reset */ | |
1689 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1690 | HCI_INIT_TIMEOUT); | |
1691 | if (IS_ERR(skb)) { | |
1692 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1693 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1694 | return PTR_ERR(skb); |
dffd30ee THJA |
1695 | } |
1696 | kfree_skb(skb); | |
1697 | ||
1698 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 | 1699 | |
4185a0f5 | 1700 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1701 | return 0; |
1702 | ||
1703 | exit_mfg_deactivate: | |
1704 | release_firmware(fw); | |
1705 | ||
1706 | /* Patching failed. Disable the manufacturer mode with reset and | |
1707 | * deactivate the downloaded firmware patches. | |
1708 | */ | |
1709 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1710 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1711 | if (IS_ERR(skb)) { | |
1712 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1713 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1714 | return PTR_ERR(skb); |
dffd30ee THJA |
1715 | } |
1716 | kfree_skb(skb); | |
1717 | ||
1718 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1719 | hdev->name); | |
1720 | ||
4185a0f5 | 1721 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1722 | return 0; |
1723 | } | |
1724 | ||
cda0dd78 MH |
1725 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
1726 | { | |
1727 | struct sk_buff *skb; | |
1728 | struct hci_event_hdr *hdr; | |
1729 | struct hci_ev_cmd_complete *evt; | |
1730 | ||
1731 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC); | |
1732 | if (!skb) | |
1733 | return -ENOMEM; | |
1734 | ||
1735 | hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr)); | |
1736 | hdr->evt = HCI_EV_CMD_COMPLETE; | |
1737 | hdr->plen = sizeof(*evt) + 1; | |
1738 | ||
1739 | evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt)); | |
1740 | evt->ncmd = 0x01; | |
1741 | evt->opcode = cpu_to_le16(opcode); | |
1742 | ||
1743 | *skb_put(skb, 1) = 0x00; | |
1744 | ||
1745 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
1746 | ||
1747 | return hci_recv_frame(hdev, skb); | |
1748 | } | |
1749 | ||
1750 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
1751 | int count) | |
1752 | { | |
1753 | /* When the device is in bootloader mode, then it can send | |
1754 | * events via the bulk endpoint. These events are treated the | |
1755 | * same way as the ones received from the interrupt endpoint. | |
1756 | */ | |
1757 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) | |
1758 | return btusb_recv_intr(data, buffer, count); | |
1759 | ||
1760 | return btusb_recv_bulk(data, buffer, count); | |
1761 | } | |
1762 | ||
ccd6da2a MH |
1763 | static void btusb_intel_bootup(struct btusb_data *data, const void *ptr, |
1764 | unsigned int len) | |
1765 | { | |
1766 | const struct intel_bootup *evt = ptr; | |
1767 | ||
1768 | if (len != sizeof(*evt)) | |
1769 | return; | |
1770 | ||
1771 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) { | |
1772 | smp_mb__after_atomic(); | |
1773 | wake_up_bit(&data->flags, BTUSB_BOOTING); | |
1774 | } | |
1775 | } | |
1776 | ||
1777 | static void btusb_intel_secure_send_result(struct btusb_data *data, | |
1778 | const void *ptr, unsigned int len) | |
1779 | { | |
1780 | const struct intel_secure_send_result *evt = ptr; | |
1781 | ||
1782 | if (len != sizeof(*evt)) | |
1783 | return; | |
1784 | ||
1785 | if (evt->result) | |
1786 | set_bit(BTUSB_FIRMWARE_FAILED, &data->flags); | |
1787 | ||
1788 | if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) && | |
1789 | test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) { | |
1790 | smp_mb__after_atomic(); | |
1791 | wake_up_bit(&data->flags, BTUSB_DOWNLOADING); | |
1792 | } | |
1793 | } | |
1794 | ||
cda0dd78 MH |
1795 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) |
1796 | { | |
1797 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1798 | ||
1799 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1800 | struct hci_event_hdr *hdr = (void *)skb->data; | |
1801 | ||
ccd6da2a MH |
1802 | if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff && |
1803 | hdr->plen > 0) { | |
1804 | const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1; | |
1805 | unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1; | |
1806 | ||
1807 | switch (skb->data[2]) { | |
1808 | case 0x02: | |
1809 | /* When switching to the operational firmware | |
1810 | * the device sends a vendor specific event | |
1811 | * indicating that the bootup completed. | |
1812 | */ | |
1813 | btusb_intel_bootup(data, ptr, len); | |
1814 | break; | |
1815 | case 0x06: | |
1816 | /* When the firmware loading completes the | |
1817 | * device sends out a vendor specific event | |
1818 | * indicating the result of the firmware | |
1819 | * loading. | |
1820 | */ | |
1821 | btusb_intel_secure_send_result(data, ptr, len); | |
1822 | break; | |
fad70972 | 1823 | } |
cda0dd78 MH |
1824 | } |
1825 | } | |
1826 | ||
1827 | return hci_recv_frame(hdev, skb); | |
1828 | } | |
1829 | ||
1830 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1831 | { | |
1832 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1833 | struct urb *urb; | |
1834 | ||
1835 | BT_DBG("%s", hdev->name); | |
1836 | ||
1837 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1838 | return -EBUSY; | |
1839 | ||
1840 | switch (bt_cb(skb)->pkt_type) { | |
1841 | case HCI_COMMAND_PKT: | |
1842 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1843 | struct hci_command_hdr *cmd = (void *)skb->data; | |
1844 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
1845 | ||
1846 | /* When in bootloader mode and the command 0xfc09 | |
1847 | * is received, it needs to be send down the | |
1848 | * bulk endpoint. So allocate a bulk URB instead. | |
1849 | */ | |
1850 | if (opcode == 0xfc09) | |
1851 | urb = alloc_bulk_urb(hdev, skb); | |
1852 | else | |
1853 | urb = alloc_ctrl_urb(hdev, skb); | |
1854 | ||
1855 | /* When the 0xfc01 command is issued to boot into | |
1856 | * the operational firmware, it will actually not | |
1857 | * send a command complete event. To keep the flow | |
1858 | * control working inject that event here. | |
1859 | */ | |
1860 | if (opcode == 0xfc01) | |
1861 | inject_cmd_complete(hdev, opcode); | |
1862 | } else { | |
1863 | urb = alloc_ctrl_urb(hdev, skb); | |
1864 | } | |
1865 | if (IS_ERR(urb)) | |
1866 | return PTR_ERR(urb); | |
1867 | ||
1868 | hdev->stat.cmd_tx++; | |
1869 | return submit_or_queue_tx_urb(hdev, urb); | |
1870 | ||
1871 | case HCI_ACLDATA_PKT: | |
1872 | urb = alloc_bulk_urb(hdev, skb); | |
1873 | if (IS_ERR(urb)) | |
1874 | return PTR_ERR(urb); | |
1875 | ||
1876 | hdev->stat.acl_tx++; | |
1877 | return submit_or_queue_tx_urb(hdev, urb); | |
1878 | ||
1879 | case HCI_SCODATA_PKT: | |
1880 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1881 | return -ENODEV; | |
1882 | ||
1883 | urb = alloc_isoc_urb(hdev, skb); | |
1884 | if (IS_ERR(urb)) | |
1885 | return PTR_ERR(urb); | |
1886 | ||
1887 | hdev->stat.sco_tx++; | |
1888 | return submit_tx_urb(hdev, urb); | |
1889 | } | |
1890 | ||
1891 | return -EILSEQ; | |
1892 | } | |
1893 | ||
1894 | static int btusb_intel_secure_send(struct hci_dev *hdev, u8 fragment_type, | |
1895 | u32 plen, const void *param) | |
1896 | { | |
1897 | while (plen > 0) { | |
1898 | struct sk_buff *skb; | |
1899 | u8 cmd_param[253], fragment_len = (plen > 252) ? 252 : plen; | |
1900 | ||
1901 | cmd_param[0] = fragment_type; | |
1902 | memcpy(cmd_param + 1, param, fragment_len); | |
1903 | ||
1904 | skb = __hci_cmd_sync(hdev, 0xfc09, fragment_len + 1, | |
1905 | cmd_param, HCI_INIT_TIMEOUT); | |
1906 | if (IS_ERR(skb)) | |
1907 | return PTR_ERR(skb); | |
1908 | ||
1909 | kfree_skb(skb); | |
1910 | ||
1911 | plen -= fragment_len; | |
1912 | param += fragment_len; | |
1913 | } | |
1914 | ||
1915 | return 0; | |
1916 | } | |
1917 | ||
1918 | static void btusb_intel_version_info(struct hci_dev *hdev, | |
1919 | struct intel_version *ver) | |
1920 | { | |
1921 | const char *variant; | |
1922 | ||
1923 | switch (ver->fw_variant) { | |
1924 | case 0x06: | |
1925 | variant = "Bootloader"; | |
1926 | break; | |
1927 | case 0x23: | |
1928 | variant = "Firmware"; | |
1929 | break; | |
1930 | default: | |
1931 | return; | |
1932 | } | |
1933 | ||
1934 | BT_INFO("%s: %s revision %u.%u build %u week %u %u", hdev->name, | |
1935 | variant, ver->fw_revision >> 4, ver->fw_revision & 0x0f, | |
1936 | ver->fw_build_num, ver->fw_build_ww, 2000 + ver->fw_build_yy); | |
1937 | } | |
1938 | ||
1939 | static int btusb_setup_intel_new(struct hci_dev *hdev) | |
1940 | { | |
1941 | static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01, | |
1942 | 0x00, 0x08, 0x04, 0x00 }; | |
1943 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1944 | struct sk_buff *skb; | |
1945 | struct intel_version *ver; | |
1946 | struct intel_boot_params *params; | |
1947 | const struct firmware *fw; | |
1948 | const u8 *fw_ptr; | |
1949 | char fwname[64]; | |
1950 | ktime_t calltime, delta, rettime; | |
1951 | unsigned long long duration; | |
1952 | int err; | |
1953 | ||
1954 | BT_DBG("%s", hdev->name); | |
1955 | ||
1956 | calltime = ktime_get(); | |
1957 | ||
1958 | /* Read the Intel version information to determine if the device | |
1959 | * is in bootloader mode or if it already has operational firmware | |
1960 | * loaded. | |
1961 | */ | |
1962 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1963 | if (IS_ERR(skb)) { | |
1964 | BT_ERR("%s: Reading Intel version information failed (%ld)", | |
1965 | hdev->name, PTR_ERR(skb)); | |
1966 | return PTR_ERR(skb); | |
1967 | } | |
1968 | ||
1969 | if (skb->len != sizeof(*ver)) { | |
1970 | BT_ERR("%s: Intel version event size mismatch", hdev->name); | |
1971 | kfree_skb(skb); | |
1972 | return -EILSEQ; | |
1973 | } | |
1974 | ||
1975 | ver = (struct intel_version *)skb->data; | |
cda0dd78 MH |
1976 | |
1977 | /* The hardware platform number has a fixed value of 0x37 and | |
1978 | * for now only accept this single value. | |
1979 | */ | |
1980 | if (ver->hw_platform != 0x37) { | |
1981 | BT_ERR("%s: Unsupported Intel hardware platform (%u)", | |
1982 | hdev->name, ver->hw_platform); | |
1983 | kfree_skb(skb); | |
1984 | return -EINVAL; | |
1985 | } | |
1986 | ||
1987 | /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is | |
1988 | * supported by this firmware loading method. This check has been | |
1989 | * put in place to ensure correct forward compatibility options | |
1990 | * when newer hardware variants come along. | |
1991 | */ | |
1992 | if (ver->hw_variant != 0x0b) { | |
1993 | BT_ERR("%s: Unsupported Intel hardware variant (%u)", | |
1994 | hdev->name, ver->hw_variant); | |
1995 | kfree_skb(skb); | |
1996 | return -EINVAL; | |
1997 | } | |
1998 | ||
1999 | btusb_intel_version_info(hdev, ver); | |
2000 | ||
2001 | /* The firmware variant determines if the device is in bootloader | |
2002 | * mode or is running operational firmware. The value 0x06 identifies | |
2003 | * the bootloader and the value 0x23 identifies the operational | |
2004 | * firmware. | |
2005 | * | |
2006 | * When the operational firmware is already present, then only | |
2007 | * the check for valid Bluetooth device address is needed. This | |
2008 | * determines if the device will be added as configured or | |
2009 | * unconfigured controller. | |
2010 | * | |
2011 | * It is not possible to use the Secure Boot Parameters in this | |
2012 | * case since that command is only available in bootloader mode. | |
2013 | */ | |
2014 | if (ver->fw_variant == 0x23) { | |
2015 | kfree_skb(skb); | |
2016 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
4185a0f5 | 2017 | btintel_check_bdaddr(hdev); |
cda0dd78 MH |
2018 | return 0; |
2019 | } | |
2020 | ||
2021 | /* If the device is not in bootloader mode, then the only possible | |
2022 | * choice is to return an error and abort the device initialization. | |
2023 | */ | |
2024 | if (ver->fw_variant != 0x06) { | |
2025 | BT_ERR("%s: Unsupported Intel firmware variant (%u)", | |
2026 | hdev->name, ver->fw_variant); | |
2027 | kfree_skb(skb); | |
2028 | return -ENODEV; | |
2029 | } | |
2030 | ||
2031 | kfree_skb(skb); | |
2032 | ||
2033 | /* Read the secure boot parameters to identify the operating | |
2034 | * details of the bootloader. | |
2035 | */ | |
2036 | skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT); | |
2037 | if (IS_ERR(skb)) { | |
2038 | BT_ERR("%s: Reading Intel boot parameters failed (%ld)", | |
2039 | hdev->name, PTR_ERR(skb)); | |
2040 | return PTR_ERR(skb); | |
2041 | } | |
2042 | ||
2043 | if (skb->len != sizeof(*params)) { | |
2044 | BT_ERR("%s: Intel boot parameters size mismatch", hdev->name); | |
2045 | kfree_skb(skb); | |
2046 | return -EILSEQ; | |
2047 | } | |
2048 | ||
2049 | params = (struct intel_boot_params *)skb->data; | |
cda0dd78 MH |
2050 | |
2051 | BT_INFO("%s: Device revision is %u", hdev->name, | |
2052 | le16_to_cpu(params->dev_revid)); | |
2053 | ||
2054 | BT_INFO("%s: Secure boot is %s", hdev->name, | |
2055 | params->secure_boot ? "enabled" : "disabled"); | |
2056 | ||
2057 | BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name, | |
2058 | params->min_fw_build_nn, params->min_fw_build_cw, | |
2059 | 2000 + params->min_fw_build_yy); | |
2060 | ||
2061 | /* It is required that every single firmware fragment is acknowledged | |
2062 | * with a command complete event. If the boot parameters indicate | |
2063 | * that this bootloader does not send them, then abort the setup. | |
2064 | */ | |
2065 | if (params->limited_cce != 0x00) { | |
2066 | BT_ERR("%s: Unsupported Intel firmware loading method (%u)", | |
2067 | hdev->name, params->limited_cce); | |
2068 | kfree_skb(skb); | |
2069 | return -EINVAL; | |
2070 | } | |
2071 | ||
2072 | /* If the OTP has no valid Bluetooth device address, then there will | |
2073 | * also be no valid address for the operational firmware. | |
2074 | */ | |
2075 | if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) { | |
2076 | BT_INFO("%s: No device address configured", hdev->name); | |
2077 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); | |
2078 | } | |
2079 | ||
2080 | /* With this Intel bootloader only the hardware variant and device | |
2081 | * revision information are used to select the right firmware. | |
2082 | * | |
2083 | * Currently this bootloader support is limited to hardware variant | |
2084 | * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b). | |
2085 | */ | |
2086 | snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi", | |
2087 | le16_to_cpu(params->dev_revid)); | |
2088 | ||
2089 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2090 | if (err < 0) { | |
2091 | BT_ERR("%s: Failed to load Intel firmware file (%d)", | |
2092 | hdev->name, err); | |
2093 | kfree_skb(skb); | |
2094 | return err; | |
2095 | } | |
2096 | ||
2097 | BT_INFO("%s: Found device firmware: %s", hdev->name, fwname); | |
2098 | ||
2099 | kfree_skb(skb); | |
2100 | ||
2101 | if (fw->size < 644) { | |
2102 | BT_ERR("%s: Invalid size of firmware file (%zu)", | |
2103 | hdev->name, fw->size); | |
2104 | err = -EBADF; | |
2105 | goto done; | |
2106 | } | |
2107 | ||
2108 | set_bit(BTUSB_DOWNLOADING, &data->flags); | |
2109 | ||
2110 | /* Start the firmware download transaction with the Init fragment | |
2111 | * represented by the 128 bytes of CSS header. | |
2112 | */ | |
2113 | err = btusb_intel_secure_send(hdev, 0x00, 128, fw->data); | |
2114 | if (err < 0) { | |
2115 | BT_ERR("%s: Failed to send firmware header (%d)", | |
2116 | hdev->name, err); | |
2117 | goto done; | |
2118 | } | |
2119 | ||
2120 | /* Send the 256 bytes of public key information from the firmware | |
2121 | * as the PKey fragment. | |
2122 | */ | |
2123 | err = btusb_intel_secure_send(hdev, 0x03, 256, fw->data + 128); | |
2124 | if (err < 0) { | |
2125 | BT_ERR("%s: Failed to send firmware public key (%d)", | |
2126 | hdev->name, err); | |
2127 | goto done; | |
2128 | } | |
2129 | ||
2130 | /* Send the 256 bytes of signature information from the firmware | |
2131 | * as the Sign fragment. | |
2132 | */ | |
2133 | err = btusb_intel_secure_send(hdev, 0x02, 256, fw->data + 388); | |
2134 | if (err < 0) { | |
2135 | BT_ERR("%s: Failed to send firmware signature (%d)", | |
2136 | hdev->name, err); | |
2137 | goto done; | |
2138 | } | |
2139 | ||
2140 | fw_ptr = fw->data + 644; | |
2141 | ||
2142 | while (fw_ptr - fw->data < fw->size) { | |
2143 | struct hci_command_hdr *cmd = (void *)fw_ptr; | |
2144 | u8 cmd_len; | |
2145 | ||
2146 | cmd_len = sizeof(*cmd) + cmd->plen; | |
2147 | ||
2148 | /* Send each command from the firmware data buffer as | |
2149 | * a single Data fragment. | |
2150 | */ | |
2151 | err = btusb_intel_secure_send(hdev, 0x01, cmd_len, fw_ptr); | |
2152 | if (err < 0) { | |
2153 | BT_ERR("%s: Failed to send firmware data (%d)", | |
2154 | hdev->name, err); | |
2155 | goto done; | |
2156 | } | |
2157 | ||
2158 | fw_ptr += cmd_len; | |
2159 | } | |
2160 | ||
ce6bb929 MH |
2161 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); |
2162 | ||
a087a98e JH |
2163 | BT_INFO("%s: Waiting for firmware download to complete", hdev->name); |
2164 | ||
cda0dd78 MH |
2165 | /* Before switching the device into operational mode and with that |
2166 | * booting the loaded firmware, wait for the bootloader notification | |
2167 | * that all fragments have been successfully received. | |
2168 | * | |
a087a98e JH |
2169 | * When the event processing receives the notification, then the |
2170 | * BTUSB_DOWNLOADING flag will be cleared. | |
2171 | * | |
2172 | * The firmware loading should not take longer than 5 seconds | |
2173 | * and thus just timeout if that happens and fail the setup | |
2174 | * of this device. | |
cda0dd78 | 2175 | */ |
129a7693 JH |
2176 | err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, |
2177 | TASK_INTERRUPTIBLE, | |
2178 | msecs_to_jiffies(5000)); | |
a087a98e JH |
2179 | if (err == 1) { |
2180 | BT_ERR("%s: Firmware loading interrupted", hdev->name); | |
2181 | err = -EINTR; | |
2182 | goto done; | |
2183 | } | |
cda0dd78 | 2184 | |
a087a98e JH |
2185 | if (err) { |
2186 | BT_ERR("%s: Firmware loading timeout", hdev->name); | |
2187 | err = -ETIMEDOUT; | |
2188 | goto done; | |
cda0dd78 MH |
2189 | } |
2190 | ||
2191 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { | |
2192 | BT_ERR("%s: Firmware loading failed", hdev->name); | |
2193 | err = -ENOEXEC; | |
2194 | goto done; | |
2195 | } | |
2196 | ||
2197 | rettime = ktime_get(); | |
2198 | delta = ktime_sub(rettime, calltime); | |
2199 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2200 | ||
2201 | BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration); | |
2202 | ||
2203 | done: | |
2204 | release_firmware(fw); | |
2205 | ||
2206 | if (err < 0) | |
2207 | return err; | |
2208 | ||
2209 | calltime = ktime_get(); | |
2210 | ||
2211 | set_bit(BTUSB_BOOTING, &data->flags); | |
2212 | ||
2213 | skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param, | |
2214 | HCI_INIT_TIMEOUT); | |
2215 | if (IS_ERR(skb)) | |
2216 | return PTR_ERR(skb); | |
2217 | ||
2218 | kfree_skb(skb); | |
2219 | ||
2220 | /* The bootloader will not indicate when the device is ready. This | |
2221 | * is done by the operational firmware sending bootup notification. | |
fad70972 JH |
2222 | * |
2223 | * Booting into operational firmware should not take longer than | |
2224 | * 1 second. However if that happens, then just fail the setup | |
2225 | * since something went wrong. | |
cda0dd78 | 2226 | */ |
fad70972 | 2227 | BT_INFO("%s: Waiting for device to boot", hdev->name); |
cda0dd78 | 2228 | |
129a7693 JH |
2229 | err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, |
2230 | TASK_INTERRUPTIBLE, | |
2231 | msecs_to_jiffies(1000)); | |
cda0dd78 | 2232 | |
fad70972 JH |
2233 | if (err == 1) { |
2234 | BT_ERR("%s: Device boot interrupted", hdev->name); | |
2235 | return -EINTR; | |
2236 | } | |
cda0dd78 | 2237 | |
fad70972 JH |
2238 | if (err) { |
2239 | BT_ERR("%s: Device boot timeout", hdev->name); | |
2240 | return -ETIMEDOUT; | |
cda0dd78 MH |
2241 | } |
2242 | ||
2243 | rettime = ktime_get(); | |
2244 | delta = ktime_sub(rettime, calltime); | |
2245 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2246 | ||
2247 | BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration); | |
2248 | ||
2249 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2250 | ||
2251 | return 0; | |
2252 | } | |
2253 | ||
385a768c MH |
2254 | static void btusb_hw_error_intel(struct hci_dev *hdev, u8 code) |
2255 | { | |
2256 | struct sk_buff *skb; | |
2257 | u8 type = 0x00; | |
2258 | ||
2259 | BT_ERR("%s: Hardware error 0x%2.2x", hdev->name, code); | |
2260 | ||
2261 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2262 | if (IS_ERR(skb)) { | |
2263 | BT_ERR("%s: Reset after hardware error failed (%ld)", | |
2264 | hdev->name, PTR_ERR(skb)); | |
2265 | return; | |
2266 | } | |
2267 | kfree_skb(skb); | |
2268 | ||
2269 | skb = __hci_cmd_sync(hdev, 0xfc22, 1, &type, HCI_INIT_TIMEOUT); | |
2270 | if (IS_ERR(skb)) { | |
2271 | BT_ERR("%s: Retrieving Intel exception info failed (%ld)", | |
2272 | hdev->name, PTR_ERR(skb)); | |
2273 | return; | |
2274 | } | |
2275 | ||
2276 | if (skb->len != 13) { | |
2277 | BT_ERR("%s: Exception info size mismatch", hdev->name); | |
2278 | kfree_skb(skb); | |
2279 | return; | |
2280 | } | |
2281 | ||
385a768c MH |
2282 | BT_ERR("%s: Exception info %s", hdev->name, (char *)(skb->data + 1)); |
2283 | ||
2284 | kfree_skb(skb); | |
2285 | } | |
2286 | ||
bfbd45e9 THJA |
2287 | static int btusb_shutdown_intel(struct hci_dev *hdev) |
2288 | { | |
2289 | struct sk_buff *skb; | |
2290 | long ret; | |
2291 | ||
2292 | /* Some platforms have an issue with BT LED when the interface is | |
2293 | * down or BT radio is turned off, which takes 5 seconds to BT LED | |
2294 | * goes off. This command turns off the BT LED immediately. | |
2295 | */ | |
2296 | skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); | |
2297 | if (IS_ERR(skb)) { | |
2298 | ret = PTR_ERR(skb); | |
2299 | BT_ERR("%s: turning off Intel device LED failed (%ld)", | |
2300 | hdev->name, ret); | |
2301 | return ret; | |
2302 | } | |
2303 | kfree_skb(skb); | |
2304 | ||
2305 | return 0; | |
2306 | } | |
2307 | ||
ae8df494 AK |
2308 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
2309 | const bdaddr_t *bdaddr) | |
2310 | { | |
2311 | struct sk_buff *skb; | |
2312 | u8 buf[8]; | |
2313 | long ret; | |
2314 | ||
2315 | buf[0] = 0xfe; | |
2316 | buf[1] = sizeof(bdaddr_t); | |
2317 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
2318 | ||
2319 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2320 | if (IS_ERR(skb)) { | |
2321 | ret = PTR_ERR(skb); | |
2322 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
2323 | hdev->name, ret); | |
2324 | return ret; | |
2325 | } | |
2326 | kfree_skb(skb); | |
2327 | ||
2328 | return 0; | |
2329 | } | |
2330 | ||
5859223e TK |
2331 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
2332 | const bdaddr_t *bdaddr) | |
2333 | { | |
2334 | struct sk_buff *skb; | |
2335 | u8 buf[10]; | |
2336 | long ret; | |
2337 | ||
2338 | buf[0] = 0x01; | |
2339 | buf[1] = 0x01; | |
2340 | buf[2] = 0x00; | |
2341 | buf[3] = sizeof(bdaddr_t); | |
2342 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
2343 | ||
2344 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2345 | if (IS_ERR(skb)) { | |
2346 | ret = PTR_ERR(skb); | |
2347 | BT_ERR("%s: Change address command failed (%ld)", | |
2348 | hdev->name, ret); | |
2349 | return ret; | |
2350 | } | |
2351 | kfree_skb(skb); | |
2352 | ||
2353 | return 0; | |
2354 | } | |
2355 | ||
3267c884 KBYT |
2356 | #define QCA_DFU_PACKET_LEN 4096 |
2357 | ||
2358 | #define QCA_GET_TARGET_VERSION 0x09 | |
2359 | #define QCA_CHECK_STATUS 0x05 | |
2360 | #define QCA_DFU_DOWNLOAD 0x01 | |
2361 | ||
2362 | #define QCA_SYSCFG_UPDATED 0x40 | |
2363 | #define QCA_PATCH_UPDATED 0x80 | |
2364 | #define QCA_DFU_TIMEOUT 3000 | |
2365 | ||
2366 | struct qca_version { | |
2367 | __le32 rom_version; | |
2368 | __le32 patch_version; | |
2369 | __le32 ram_version; | |
2370 | __le32 ref_clock; | |
2371 | __u8 reserved[4]; | |
2372 | } __packed; | |
2373 | ||
2374 | struct qca_rampatch_version { | |
2375 | __le16 rom_version; | |
2376 | __le16 patch_version; | |
2377 | } __packed; | |
2378 | ||
2379 | struct qca_device_info { | |
bf906b3d KBYT |
2380 | u32 rom_version; |
2381 | u8 rampatch_hdr; /* length of header in rampatch */ | |
2382 | u8 nvm_hdr; /* length of header in NVM */ | |
2383 | u8 ver_offset; /* offset of version structure in rampatch */ | |
3267c884 KBYT |
2384 | }; |
2385 | ||
2386 | static const struct qca_device_info qca_devices_table[] = { | |
2387 | { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ | |
2388 | { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ | |
7f6e6363 | 2389 | { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ |
3267c884 KBYT |
2390 | { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ |
2391 | { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ | |
2392 | { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ | |
2393 | }; | |
2394 | ||
2395 | static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request, | |
2396 | void *data, u16 size) | |
2397 | { | |
2398 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2399 | struct usb_device *udev = btdata->udev; | |
2400 | int pipe, err; | |
2401 | u8 *buf; | |
2402 | ||
2403 | buf = kmalloc(size, GFP_KERNEL); | |
2404 | if (!buf) | |
2405 | return -ENOMEM; | |
2406 | ||
2407 | /* Found some of USB hosts have IOT issues with ours so that we should | |
2408 | * not wait until HCI layer is ready. | |
2409 | */ | |
2410 | pipe = usb_rcvctrlpipe(udev, 0); | |
2411 | err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, | |
2412 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2413 | if (err < 0) { | |
2414 | BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err); | |
2415 | goto done; | |
2416 | } | |
2417 | ||
2418 | memcpy(data, buf, size); | |
2419 | ||
2420 | done: | |
2421 | kfree(buf); | |
2422 | ||
2423 | return err; | |
2424 | } | |
2425 | ||
2426 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, | |
2427 | const struct firmware *firmware, | |
2428 | size_t hdr_size) | |
2429 | { | |
2430 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2431 | struct usb_device *udev = btdata->udev; | |
2432 | size_t count, size, sent = 0; | |
2433 | int pipe, len, err; | |
2434 | u8 *buf; | |
2435 | ||
2436 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); | |
2437 | if (!buf) | |
2438 | return -ENOMEM; | |
2439 | ||
2440 | count = firmware->size; | |
2441 | ||
2442 | size = min_t(size_t, count, hdr_size); | |
2443 | memcpy(buf, firmware->data, size); | |
2444 | ||
2445 | /* USB patches should go down to controller through USB path | |
2446 | * because binary format fits to go down through USB channel. | |
2447 | * USB control path is for patching headers and USB bulk is for | |
2448 | * patch body. | |
2449 | */ | |
2450 | pipe = usb_sndctrlpipe(udev, 0); | |
2451 | err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, | |
2452 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2453 | if (err < 0) { | |
2454 | BT_ERR("%s: Failed to send headers (%d)", hdev->name, err); | |
2455 | goto done; | |
2456 | } | |
2457 | ||
2458 | sent += size; | |
2459 | count -= size; | |
2460 | ||
2461 | while (count) { | |
2462 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); | |
2463 | ||
2464 | memcpy(buf, firmware->data + sent, size); | |
2465 | ||
2466 | pipe = usb_sndbulkpipe(udev, 0x02); | |
2467 | err = usb_bulk_msg(udev, pipe, buf, size, &len, | |
2468 | QCA_DFU_TIMEOUT); | |
2469 | if (err < 0) { | |
2470 | BT_ERR("%s: Failed to send body at %zd of %zd (%d)", | |
2471 | hdev->name, sent, firmware->size, err); | |
2472 | break; | |
2473 | } | |
2474 | ||
2475 | if (size != len) { | |
2476 | BT_ERR("%s: Failed to get bulk buffer", hdev->name); | |
2477 | err = -EILSEQ; | |
2478 | break; | |
2479 | } | |
2480 | ||
2481 | sent += size; | |
2482 | count -= size; | |
2483 | } | |
2484 | ||
2485 | done: | |
2486 | kfree(buf); | |
2487 | return err; | |
2488 | } | |
2489 | ||
2490 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, | |
2491 | struct qca_version *ver, | |
2492 | const struct qca_device_info *info) | |
2493 | { | |
2494 | struct qca_rampatch_version *rver; | |
2495 | const struct firmware *fw; | |
bf906b3d KBYT |
2496 | u32 ver_rom, ver_patch; |
2497 | u16 rver_rom, rver_patch; | |
3267c884 KBYT |
2498 | char fwname[64]; |
2499 | int err; | |
2500 | ||
bf906b3d KBYT |
2501 | ver_rom = le32_to_cpu(ver->rom_version); |
2502 | ver_patch = le32_to_cpu(ver->patch_version); | |
2503 | ||
2504 | snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); | |
3267c884 KBYT |
2505 | |
2506 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2507 | if (err) { | |
2508 | BT_ERR("%s: failed to request rampatch file: %s (%d)", | |
2509 | hdev->name, fwname, err); | |
2510 | return err; | |
2511 | } | |
2512 | ||
2513 | BT_INFO("%s: using rampatch file: %s", hdev->name, fwname); | |
bf906b3d | 2514 | |
3267c884 | 2515 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
bf906b3d KBYT |
2516 | rver_rom = le16_to_cpu(rver->rom_version); |
2517 | rver_patch = le16_to_cpu(rver->patch_version); | |
2518 | ||
3267c884 | 2519 | BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x " |
bf906b3d KBYT |
2520 | "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom, |
2521 | ver_patch); | |
3267c884 | 2522 | |
bf906b3d | 2523 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
3267c884 KBYT |
2524 | BT_ERR("%s: rampatch file version did not match with firmware", |
2525 | hdev->name); | |
2526 | err = -EINVAL; | |
2527 | goto done; | |
2528 | } | |
2529 | ||
2530 | err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); | |
2531 | ||
2532 | done: | |
2533 | release_firmware(fw); | |
2534 | ||
2535 | return err; | |
2536 | } | |
2537 | ||
2538 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, | |
2539 | struct qca_version *ver, | |
2540 | const struct qca_device_info *info) | |
2541 | { | |
2542 | const struct firmware *fw; | |
2543 | char fwname[64]; | |
2544 | int err; | |
2545 | ||
2546 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", | |
2547 | le32_to_cpu(ver->rom_version)); | |
2548 | ||
2549 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2550 | if (err) { | |
2551 | BT_ERR("%s: failed to request NVM file: %s (%d)", | |
2552 | hdev->name, fwname, err); | |
2553 | return err; | |
2554 | } | |
2555 | ||
2556 | BT_INFO("%s: using NVM file: %s", hdev->name, fwname); | |
2557 | ||
2558 | err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); | |
2559 | ||
2560 | release_firmware(fw); | |
2561 | ||
2562 | return err; | |
2563 | } | |
2564 | ||
2565 | static int btusb_setup_qca(struct hci_dev *hdev) | |
2566 | { | |
2567 | const struct qca_device_info *info = NULL; | |
2568 | struct qca_version ver; | |
bf906b3d | 2569 | u32 ver_rom; |
3267c884 KBYT |
2570 | u8 status; |
2571 | int i, err; | |
2572 | ||
2573 | err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver, | |
eb50042f | 2574 | sizeof(ver)); |
3267c884 KBYT |
2575 | if (err < 0) |
2576 | return err; | |
2577 | ||
bf906b3d | 2578 | ver_rom = le32_to_cpu(ver.rom_version); |
3267c884 | 2579 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
bf906b3d | 2580 | if (ver_rom == qca_devices_table[i].rom_version) |
3267c884 KBYT |
2581 | info = &qca_devices_table[i]; |
2582 | } | |
2583 | if (!info) { | |
2584 | BT_ERR("%s: don't support firmware rome 0x%x", hdev->name, | |
bf906b3d | 2585 | ver_rom); |
3267c884 KBYT |
2586 | return -ENODEV; |
2587 | } | |
2588 | ||
2589 | err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status, | |
2590 | sizeof(status)); | |
2591 | if (err < 0) | |
2592 | return err; | |
2593 | ||
2594 | if (!(status & QCA_PATCH_UPDATED)) { | |
2595 | err = btusb_setup_qca_load_rampatch(hdev, &ver, info); | |
2596 | if (err < 0) | |
2597 | return err; | |
2598 | } | |
2599 | ||
2600 | if (!(status & QCA_SYSCFG_UPDATED)) { | |
2601 | err = btusb_setup_qca_load_nvm(hdev, &ver, info); | |
2602 | if (err < 0) | |
2603 | return err; | |
2604 | } | |
2605 | ||
2606 | return 0; | |
2607 | } | |
2608 | ||
5e23b923 | 2609 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 2610 | const struct usb_device_id *id) |
5e23b923 MH |
2611 | { |
2612 | struct usb_endpoint_descriptor *ep_desc; | |
2613 | struct btusb_data *data; | |
2614 | struct hci_dev *hdev; | |
2615 | int i, err; | |
2616 | ||
2617 | BT_DBG("intf %p id %p", intf, id); | |
2618 | ||
cfeb4145 | 2619 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
2620 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
2621 | return -ENODEV; | |
2622 | ||
2623 | if (!id->driver_info) { | |
2624 | const struct usb_device_id *match; | |
89e7533d | 2625 | |
5e23b923 MH |
2626 | match = usb_match_id(intf, blacklist_table); |
2627 | if (match) | |
2628 | id = match; | |
2629 | } | |
2630 | ||
cfeb4145 MH |
2631 | if (id->driver_info == BTUSB_IGNORE) |
2632 | return -ENODEV; | |
2633 | ||
2d25f8b4 SL |
2634 | if (id->driver_info & BTUSB_ATH3012) { |
2635 | struct usb_device *udev = interface_to_usbdev(intf); | |
2636 | ||
2637 | /* Old firmware would otherwise let ath3k driver load | |
2638 | * patch and sysconfig files */ | |
2639 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
2640 | return -ENODEV; | |
2641 | } | |
2642 | ||
98921dbd | 2643 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
2644 | if (!data) |
2645 | return -ENOMEM; | |
2646 | ||
2647 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2648 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2649 | ||
2650 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
2651 | data->intr_ep = ep_desc; | |
2652 | continue; | |
2653 | } | |
2654 | ||
2655 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2656 | data->bulk_tx_ep = ep_desc; | |
2657 | continue; | |
2658 | } | |
2659 | ||
2660 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2661 | data->bulk_rx_ep = ep_desc; | |
2662 | continue; | |
2663 | } | |
2664 | } | |
2665 | ||
98921dbd | 2666 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 2667 | return -ENODEV; |
5e23b923 | 2668 | |
893ba544 MH |
2669 | if (id->driver_info & BTUSB_AMP) { |
2670 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; | |
2671 | data->cmdreq = 0x2b; | |
2672 | } else { | |
2673 | data->cmdreq_type = USB_TYPE_CLASS; | |
2674 | data->cmdreq = 0x00; | |
2675 | } | |
7a9d4020 | 2676 | |
5e23b923 | 2677 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2678 | data->intf = intf; |
5e23b923 | 2679 | |
5e23b923 | 2680 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2681 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2682 | init_usb_anchor(&data->deferred); |
2683 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2684 | spin_lock_init(&data->txlock); |
5e23b923 | 2685 | |
5e23b923 MH |
2686 | init_usb_anchor(&data->intr_anchor); |
2687 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 2688 | init_usb_anchor(&data->isoc_anchor); |
803b5836 | 2689 | spin_lock_init(&data->rxlock); |
5e23b923 | 2690 | |
cda0dd78 MH |
2691 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2692 | data->recv_event = btusb_recv_event_intel; | |
2693 | data->recv_bulk = btusb_recv_bulk_intel; | |
2694 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
2695 | } else { | |
2696 | data->recv_event = hci_recv_frame; | |
2697 | data->recv_bulk = btusb_recv_bulk; | |
2698 | } | |
2cbd3f5c | 2699 | |
5e23b923 | 2700 | hdev = hci_alloc_dev(); |
98921dbd | 2701 | if (!hdev) |
5e23b923 | 2702 | return -ENOMEM; |
5e23b923 | 2703 | |
c13854ce | 2704 | hdev->bus = HCI_USB; |
155961e8 | 2705 | hci_set_drvdata(hdev, data); |
5e23b923 | 2706 | |
893ba544 MH |
2707 | if (id->driver_info & BTUSB_AMP) |
2708 | hdev->dev_type = HCI_AMP; | |
2709 | else | |
2710 | hdev->dev_type = HCI_BREDR; | |
2711 | ||
5e23b923 MH |
2712 | data->hdev = hdev; |
2713 | ||
2714 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
2715 | ||
9f8f962c MH |
2716 | hdev->open = btusb_open; |
2717 | hdev->close = btusb_close; | |
2718 | hdev->flush = btusb_flush; | |
2719 | hdev->send = btusb_send_frame; | |
2720 | hdev->notify = btusb_notify; | |
2721 | ||
2722 | if (id->driver_info & BTUSB_BCM92035) | |
2723 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 2724 | |
c2bfb100 | 2725 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
abbaf50e | 2726 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
c2bfb100 | 2727 | hdev->setup = btbcm_setup_patchram; |
1df1f591 | 2728 | hdev->set_bdaddr = btbcm_set_bdaddr; |
abbaf50e | 2729 | } |
10d4c673 | 2730 | |
941521e2 | 2731 | if (id->driver_info & BTUSB_BCM_APPLE) |
c2bfb100 | 2732 | hdev->setup = btbcm_setup_apple; |
c2bfb100 | 2733 | #endif |
17b2772b | 2734 | |
cb8d6597 | 2735 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 2736 | hdev->setup = btusb_setup_intel; |
bfbd45e9 | 2737 | hdev->shutdown = btusb_shutdown_intel; |
4185a0f5 | 2738 | hdev->set_bdaddr = btintel_set_bdaddr; |
c33fb9b4 | 2739 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
c1154842 | 2740 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
cb8d6597 | 2741 | } |
dffd30ee | 2742 | |
cda0dd78 MH |
2743 | if (id->driver_info & BTUSB_INTEL_NEW) { |
2744 | hdev->send = btusb_send_frame_intel; | |
2745 | hdev->setup = btusb_setup_intel_new; | |
385a768c | 2746 | hdev->hw_error = btusb_hw_error_intel; |
4185a0f5 | 2747 | hdev->set_bdaddr = btintel_set_bdaddr; |
b970c5ba | 2748 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
cda0dd78 MH |
2749 | } |
2750 | ||
ae8df494 AK |
2751 | if (id->driver_info & BTUSB_MARVELL) |
2752 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
2753 | ||
661cf88a MH |
2754 | if (id->driver_info & BTUSB_SWAVE) { |
2755 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
d57dbe77 | 2756 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
661cf88a | 2757 | } |
d57dbe77 | 2758 | |
40df783d MH |
2759 | if (id->driver_info & BTUSB_INTEL_BOOT) |
2760 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2761 | ||
79f0c87d | 2762 | if (id->driver_info & BTUSB_ATH3012) { |
5859223e | 2763 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
3d50d51a | 2764 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
79f0c87d JP |
2765 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
2766 | } | |
5859223e | 2767 | |
3267c884 KBYT |
2768 | if (id->driver_info & BTUSB_QCA_ROME) { |
2769 | data->setup_on_usb = btusb_setup_qca; | |
2770 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
2771 | } | |
2772 | ||
db33c77d | 2773 | #ifdef CONFIG_BT_HCIBTUSB_RTL |
04b8c814 | 2774 | if (id->driver_info & BTUSB_REALTEK) { |
db33c77d | 2775 | hdev->setup = btrtl_setup_realtek; |
04b8c814 DD |
2776 | |
2777 | /* Realtek devices lose their updated firmware over suspend, | |
2778 | * but the USB hub doesn't notice any status change. | |
2779 | * Explicitly request a device reset on resume. | |
2780 | */ | |
2781 | set_bit(BTUSB_RESET_RESUME, &data->flags); | |
2782 | } | |
db33c77d | 2783 | #endif |
a2698a9b | 2784 | |
893ba544 MH |
2785 | if (id->driver_info & BTUSB_AMP) { |
2786 | /* AMP controllers do not support SCO packets */ | |
2787 | data->isoc = NULL; | |
2788 | } else { | |
2789 | /* Interface numbers are hardcoded in the specification */ | |
2790 | data->isoc = usb_ifnum_to_if(data->udev, 1); | |
2791 | } | |
9bfa35fe | 2792 | |
7a9d4020 | 2793 | if (!reset) |
a6c511c6 | 2794 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
2795 | |
2796 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
2797 | if (!disable_scofix) | |
2798 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
2799 | } | |
2800 | ||
9bfa35fe MH |
2801 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
2802 | data->isoc = NULL; | |
2803 | ||
7a9d4020 MH |
2804 | if (id->driver_info & BTUSB_DIGIANSWER) { |
2805 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 2806 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
2807 | } |
2808 | ||
2809 | if (id->driver_info & BTUSB_CSR) { | |
2810 | struct usb_device *udev = data->udev; | |
81cac64b | 2811 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
2812 | |
2813 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 2814 | if (bcdDevice < 0x117) |
a6c511c6 | 2815 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
2816 | |
2817 | /* Fake CSR devices with broken commands */ | |
2818 | if (bcdDevice <= 0x100) | |
2819 | hdev->setup = btusb_setup_csr; | |
49c989a0 JP |
2820 | |
2821 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
7a9d4020 MH |
2822 | } |
2823 | ||
cfeb4145 | 2824 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 2825 | struct usb_device *udev = data->udev; |
cfeb4145 | 2826 | |
7a9d4020 | 2827 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
2828 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
2829 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2830 | } | |
2831 | ||
3a5ef20c MH |
2832 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
2833 | /* A bug in the bootloader causes that interrupt interface is | |
2834 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
2835 | */ | |
2836 | err = usb_set_interface(data->udev, 0, 0); | |
2837 | if (err < 0) { | |
2838 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
2839 | hci_free_dev(hdev); | |
2840 | return err; | |
2841 | } | |
2842 | } | |
2843 | ||
9bfa35fe MH |
2844 | if (data->isoc) { |
2845 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 2846 | data->isoc, data); |
9bfa35fe MH |
2847 | if (err < 0) { |
2848 | hci_free_dev(hdev); | |
9bfa35fe MH |
2849 | return err; |
2850 | } | |
2851 | } | |
2852 | ||
5e23b923 MH |
2853 | err = hci_register_dev(hdev); |
2854 | if (err < 0) { | |
2855 | hci_free_dev(hdev); | |
5e23b923 MH |
2856 | return err; |
2857 | } | |
2858 | ||
2859 | usb_set_intfdata(intf, data); | |
2860 | ||
2861 | return 0; | |
2862 | } | |
2863 | ||
2864 | static void btusb_disconnect(struct usb_interface *intf) | |
2865 | { | |
2866 | struct btusb_data *data = usb_get_intfdata(intf); | |
2867 | struct hci_dev *hdev; | |
2868 | ||
2869 | BT_DBG("intf %p", intf); | |
2870 | ||
2871 | if (!data) | |
2872 | return; | |
2873 | ||
2874 | hdev = data->hdev; | |
5fbcd260 MH |
2875 | usb_set_intfdata(data->intf, NULL); |
2876 | ||
2877 | if (data->isoc) | |
2878 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
2879 | |
2880 | hci_unregister_dev(hdev); | |
2881 | ||
5fbcd260 MH |
2882 | if (intf == data->isoc) |
2883 | usb_driver_release_interface(&btusb_driver, data->intf); | |
2884 | else if (data->isoc) | |
2885 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
2886 | ||
5e23b923 MH |
2887 | hci_free_dev(hdev); |
2888 | } | |
2889 | ||
7bee549e | 2890 | #ifdef CONFIG_PM |
6a88adf2 MH |
2891 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
2892 | { | |
2893 | struct btusb_data *data = usb_get_intfdata(intf); | |
2894 | ||
2895 | BT_DBG("intf %p", intf); | |
2896 | ||
2897 | if (data->suspend_count++) | |
2898 | return 0; | |
2899 | ||
7bee549e | 2900 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 2901 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
2902 | set_bit(BTUSB_SUSPENDING, &data->flags); |
2903 | spin_unlock_irq(&data->txlock); | |
2904 | } else { | |
2905 | spin_unlock_irq(&data->txlock); | |
2906 | data->suspend_count--; | |
2907 | return -EBUSY; | |
2908 | } | |
2909 | ||
6a88adf2 MH |
2910 | cancel_work_sync(&data->work); |
2911 | ||
7bee549e | 2912 | btusb_stop_traffic(data); |
6a88adf2 MH |
2913 | usb_kill_anchored_urbs(&data->tx_anchor); |
2914 | ||
04b8c814 DD |
2915 | /* Optionally request a device reset on resume, but only when |
2916 | * wakeups are disabled. If wakeups are enabled we assume the | |
2917 | * device will stay powered up throughout suspend. | |
2918 | */ | |
2919 | if (test_bit(BTUSB_RESET_RESUME, &data->flags) && | |
2920 | !device_may_wakeup(&data->udev->dev)) | |
2921 | data->udev->reset_resume = 1; | |
2922 | ||
6a88adf2 MH |
2923 | return 0; |
2924 | } | |
2925 | ||
7bee549e ON |
2926 | static void play_deferred(struct btusb_data *data) |
2927 | { | |
2928 | struct urb *urb; | |
2929 | int err; | |
2930 | ||
2931 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
2932 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
2933 | if (err < 0) | |
2934 | break; | |
2935 | ||
2936 | data->tx_in_flight++; | |
2937 | } | |
2938 | usb_scuttle_anchored_urbs(&data->deferred); | |
2939 | } | |
2940 | ||
6a88adf2 MH |
2941 | static int btusb_resume(struct usb_interface *intf) |
2942 | { | |
2943 | struct btusb_data *data = usb_get_intfdata(intf); | |
2944 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 2945 | int err = 0; |
6a88adf2 MH |
2946 | |
2947 | BT_DBG("intf %p", intf); | |
2948 | ||
2949 | if (--data->suspend_count) | |
2950 | return 0; | |
2951 | ||
2952 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 2953 | goto done; |
6a88adf2 MH |
2954 | |
2955 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
2956 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
2957 | if (err < 0) { | |
2958 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 2959 | goto failed; |
6a88adf2 MH |
2960 | } |
2961 | } | |
2962 | ||
2963 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
2964 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
2965 | if (err < 0) { | |
6a88adf2 | 2966 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
2967 | goto failed; |
2968 | } | |
2969 | ||
2970 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
2971 | } |
2972 | ||
2973 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2974 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
2975 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
2976 | else | |
2977 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
2978 | } | |
2979 | ||
7bee549e ON |
2980 | spin_lock_irq(&data->txlock); |
2981 | play_deferred(data); | |
2982 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2983 | spin_unlock_irq(&data->txlock); | |
2984 | schedule_work(&data->work); | |
2985 | ||
6a88adf2 | 2986 | return 0; |
7bee549e ON |
2987 | |
2988 | failed: | |
2989 | usb_scuttle_anchored_urbs(&data->deferred); | |
2990 | done: | |
2991 | spin_lock_irq(&data->txlock); | |
2992 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2993 | spin_unlock_irq(&data->txlock); | |
2994 | ||
2995 | return err; | |
6a88adf2 | 2996 | } |
7bee549e | 2997 | #endif |
6a88adf2 | 2998 | |
5e23b923 MH |
2999 | static struct usb_driver btusb_driver = { |
3000 | .name = "btusb", | |
3001 | .probe = btusb_probe, | |
3002 | .disconnect = btusb_disconnect, | |
7bee549e | 3003 | #ifdef CONFIG_PM |
6a88adf2 MH |
3004 | .suspend = btusb_suspend, |
3005 | .resume = btusb_resume, | |
7bee549e | 3006 | #endif |
5e23b923 | 3007 | .id_table = btusb_table, |
7bee549e | 3008 | .supports_autosuspend = 1, |
e1f12eb6 | 3009 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
3010 | }; |
3011 | ||
93f1508c | 3012 | module_usb_driver(btusb_driver); |
5e23b923 | 3013 | |
cfeb4145 MH |
3014 | module_param(disable_scofix, bool, 0644); |
3015 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
3016 | ||
3017 | module_param(force_scofix, bool, 0644); | |
3018 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
3019 | ||
3020 | module_param(reset, bool, 0644); | |
3021 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
3022 | ||
5e23b923 MH |
3023 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
3024 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
3025 | MODULE_VERSION(VERSION); | |
3026 | MODULE_LICENSE("GPL"); |