]>
Commit | Line | Data |
---|---|---|
5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
1fdb9269 | 24 | #include <linux/dmi.h> |
5e23b923 | 25 | #include <linux/module.h> |
5e23b923 | 26 | #include <linux/usb.h> |
61f5acea | 27 | #include <linux/usb/quirks.h> |
dffd30ee | 28 | #include <linux/firmware.h> |
fd913ef7 RJ |
29 | #include <linux/of_device.h> |
30 | #include <linux/of_irq.h> | |
017789f3 | 31 | #include <linux/suspend.h> |
a2698a9b | 32 | #include <asm/unaligned.h> |
5e23b923 MH |
33 | |
34 | #include <net/bluetooth/bluetooth.h> | |
35 | #include <net/bluetooth/hci_core.h> | |
36 | ||
4185a0f5 | 37 | #include "btintel.h" |
1df1f591 | 38 | #include "btbcm.h" |
db33c77d | 39 | #include "btrtl.h" |
1df1f591 | 40 | |
34dced9b | 41 | #define VERSION "0.8" |
cfeb4145 | 42 | |
90ab5ee9 RR |
43 | static bool disable_scofix; |
44 | static bool force_scofix; | |
eff2d68c | 45 | static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND); |
7a9d4020 | 46 | |
917a3337 | 47 | static bool reset = true; |
cfeb4145 MH |
48 | |
49 | static struct usb_driver btusb_driver; | |
50 | ||
51 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
52 | #define BTUSB_DIGIANSWER 0x02 |
53 | #define BTUSB_CSR 0x04 | |
54 | #define BTUSB_SNIFFER 0x08 | |
55 | #define BTUSB_BCM92035 0x10 | |
56 | #define BTUSB_BROKEN_ISOC 0x20 | |
57 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 58 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 59 | #define BTUSB_INTEL 0x100 |
40df783d MH |
60 | #define BTUSB_INTEL_BOOT 0x200 |
61 | #define BTUSB_BCM_PATCHRAM 0x400 | |
ae8df494 | 62 | #define BTUSB_MARVELL 0x800 |
4fcef8ed | 63 | #define BTUSB_SWAVE 0x1000 |
cda0dd78 | 64 | #define BTUSB_INTEL_NEW 0x2000 |
893ba544 | 65 | #define BTUSB_AMP 0x4000 |
3267c884 | 66 | #define BTUSB_QCA_ROME 0x8000 |
17b2772b | 67 | #define BTUSB_BCM_APPLE 0x10000 |
a2698a9b | 68 | #define BTUSB_REALTEK 0x20000 |
6c9d435d | 69 | #define BTUSB_BCM2045 0x40000 |
22f8e9db | 70 | #define BTUSB_IFNUM_2 0x80000 |
418678b0 | 71 | #define BTUSB_CW6622 0x100000 |
5e23b923 | 72 | |
54265202 | 73 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
74 | /* Generic Bluetooth USB device */ |
75 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
76 | ||
893ba544 MH |
77 | /* Generic Bluetooth AMP device */ |
78 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, | |
79 | ||
d63b2826 DD |
80 | /* Generic Bluetooth USB interface */ |
81 | { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) }, | |
82 | ||
1fa6535f | 83 | /* Apple-specific (Broadcom) devices */ |
17b2772b | 84 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), |
22f8e9db | 85 | .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 }, |
1fa6535f | 86 | |
178c059e CYC |
87 | /* MediaTek MT76x0E */ |
88 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
89 | ||
c510eae3 | 90 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 91 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 92 | |
3cd01976 NI |
93 | /* Apple MacBookPro 7,1 */ |
94 | { USB_DEVICE(0x05ac, 0x8213) }, | |
95 | ||
0a79f674 CL |
96 | /* Apple iMac11,1 */ |
97 | { USB_DEVICE(0x05ac, 0x8215) }, | |
98 | ||
9c047157 NI |
99 | /* Apple MacBookPro6,2 */ |
100 | { USB_DEVICE(0x05ac, 0x8218) }, | |
101 | ||
3e3ede7d EH |
102 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
103 | { USB_DEVICE(0x05ac, 0x821b) }, | |
104 | ||
a63b723d PAVM |
105 | /* Apple MacBookAir4,1 */ |
106 | { USB_DEVICE(0x05ac, 0x821f) }, | |
107 | ||
88d377b6 MAP |
108 | /* Apple MacBookPro8,2 */ |
109 | { USB_DEVICE(0x05ac, 0x821a) }, | |
110 | ||
f78b6826 JK |
111 | /* Apple MacMini5,1 */ |
112 | { USB_DEVICE(0x05ac, 0x8281) }, | |
113 | ||
cfeb4145 | 114 | /* AVM BlueFRITZ! USB v2.0 */ |
4fcef8ed | 115 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
cfeb4145 MH |
116 | |
117 | /* Bluetooth Ultraport Module from IBM */ | |
118 | { USB_DEVICE(0x04bf, 0x030a) }, | |
119 | ||
120 | /* ALPS Modules with non-standard id */ | |
121 | { USB_DEVICE(0x044e, 0x3001) }, | |
122 | { USB_DEVICE(0x044e, 0x3002) }, | |
123 | ||
124 | /* Ericsson with non-standard id */ | |
125 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
126 | ||
127 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 128 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 129 | |
d13431ca WJS |
130 | /* Broadcom BCM20702A0 */ |
131 | { USB_DEVICE(0x413c, 0x8197) }, | |
132 | ||
d049f4e5 MH |
133 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
134 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, | |
135 | ||
2faf71ce | 136 | /* Broadcom BCM43142A0 (Foxconn/Lenovo) */ |
628c26b4 DT |
137 | { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01), |
138 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
2faf71ce | 139 | |
a57bac43 CH |
140 | /* Broadcom BCM920703 (HTC Vive) */ |
141 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01), | |
142 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
143 | ||
98514036 | 144 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
145 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
146 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 147 | |
8f0c304c MD |
148 | /* Lite-On Technology - Broadcom based */ |
149 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), | |
150 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
151 | ||
0b880062 | 152 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
153 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
154 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 155 | |
c2aef6e8 | 156 | /* ASUSTek Computer - Broadcom based */ |
9a5abdaa RD |
157 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
158 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
c2aef6e8 | 159 | |
5bcecf32 | 160 | /* Belkin F8065bf - Broadcom based */ |
6331c686 MH |
161 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), |
162 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
5bcecf32 | 163 | |
9113bfd8 | 164 | /* IMC Networks - Broadcom based */ |
6331c686 MH |
165 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), |
166 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
9113bfd8 | 167 | |
fdfddc60 WJS |
168 | /* Dell Computer - Broadcom based */ |
169 | { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01), | |
170 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
171 | ||
1623d0bf DT |
172 | /* Toshiba Corp - Broadcom based */ |
173 | { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01), | |
174 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
175 | ||
40df783d | 176 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
177 | { USB_DEVICE(0x8087, 0x0a5a), |
178 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 179 | |
5e23b923 MH |
180 | { } /* Terminating entry */ |
181 | }; | |
182 | ||
183 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
184 | ||
54265202 | 185 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
186 | /* CSR BlueCore devices */ |
187 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
188 | ||
189 | /* Broadcom BCM2033 without firmware */ | |
190 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
191 | ||
6c9d435d MH |
192 | /* Broadcom BCM2045 devices */ |
193 | { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 }, | |
194 | ||
be93112a | 195 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
196 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
197 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
2eeff0b4 | 198 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, |
0b880062 | 199 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 200 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 201 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 202 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 203 | |
509e7861 CYC |
204 | /* Atheros AR9285 Malbec with sflash firmware */ |
205 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
206 | ||
d9f51b51 | 207 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
208 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
209 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
210 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
211 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
212 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
692c062e | 213 | { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, |
4b552bc9 | 214 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
28c971d8 | 215 | { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
216 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
217 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
218 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
219 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 220 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
221 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
222 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
7e730c7f | 223 | { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, |
ec0810d2 | 224 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, |
134d3b35 | 225 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
81d90442 | 226 | { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, |
441ad62d | 227 | { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 228 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
cd355ff0 | 229 | { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 230 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
89d2975f | 231 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 232 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 233 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
544a5916 | 234 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 235 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 236 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 237 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 238 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 239 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 240 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
18e0afab | 241 | { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 242 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 243 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 244 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
ca79f232 | 245 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
246 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
247 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 248 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
609574eb | 249 | { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 250 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 251 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
033efa92 | 252 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 253 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
75c6aca4 | 254 | { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, |
0d0cef61 | 255 | { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, |
72f9f8b5 | 256 | { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, |
12d86896 | 257 | { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 258 | |
e9036e33 CYC |
259 | /* Atheros AR5BBU12 with sflash firmware */ |
260 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
261 | ||
85d59726 | 262 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 263 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 264 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 265 | |
3267c884 | 266 | /* QCA ROME chipset */ |
2054111b | 267 | { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME }, |
93519934 | 268 | { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME }, |
e5a49ee9 | 269 | { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME }, |
c9e44474 | 270 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME }, |
1eef1c35 | 271 | { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME }, |
c9e44474 | 272 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME }, |
47ca5898 | 273 | { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME }, |
858ff38a | 274 | { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME }, |
06e41d8a | 275 | { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME }, |
1144a4ee | 276 | { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME }, |
0a03f98b | 277 | { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME }, |
d829b9e2 | 278 | { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME }, |
d666fc54 | 279 | { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME }, |
df2445bf | 280 | { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME }, |
3267c884 | 281 | |
cfeb4145 | 282 | /* Broadcom BCM2035 */ |
7a9d4020 | 283 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
284 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
285 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
286 | |
287 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
288 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
289 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 290 | |
cfeb4145 | 291 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
292 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
293 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
294 | |
295 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 296 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
297 | |
298 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 299 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 300 | |
5ddd4a60 | 301 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 302 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 303 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 304 | |
7a9d4020 MH |
305 | /* Belkin F8T012 and F8T013 devices */ |
306 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
307 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 308 | |
5ddd4a60 MH |
309 | /* Asus WL-BTD202 device */ |
310 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
311 | ||
312 | /* Kensington Bluetooth USB adapter */ | |
313 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
314 | ||
cfeb4145 MH |
315 | /* RTX Telecom based adapters with buggy SCO support */ |
316 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
317 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
318 | ||
319 | /* CONWISE Technology based adapters with buggy SCO support */ | |
418678b0 SJ |
320 | { USB_DEVICE(0x0e5e, 0x6622), |
321 | .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622}, | |
cfeb4145 | 322 | |
4fcef8ed | 323 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
2eeac871 | 324 | { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, |
4fcef8ed | 325 | |
cfeb4145 MH |
326 | /* Digianswer devices */ |
327 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
328 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
329 | ||
330 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
331 | { USB_DEVICE(0x0a12, 0x0002), |
332 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
333 | |
334 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
335 | { USB_DEVICE(0x16d3, 0x0002), |
336 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 337 | |
cb1ee89f MH |
338 | /* Marvell Bluetooth devices */ |
339 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
340 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
1165df0e | 341 | { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, |
cb1ee89f | 342 | |
d0ac9eb7 | 343 | /* Intel Bluetooth devices */ |
de766142 | 344 | { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW }, |
1ce0cec1 | 345 | { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW }, |
407550fe | 346 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, |
dffd30ee | 347 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
ef4e5e4a | 348 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
cda0dd78 | 349 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, |
439e65d3 | 350 | { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL }, |
86a6129a | 351 | { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW }, |
dffd30ee | 352 | |
d0ac9eb7 MH |
353 | /* Other Intel Bluetooth devices */ |
354 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), | |
355 | .driver_info = BTUSB_IGNORE }, | |
ae8df494 | 356 | |
a2698a9b DD |
357 | /* Realtek Bluetooth devices */ |
358 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), | |
359 | .driver_info = BTUSB_REALTEK }, | |
360 | ||
361 | /* Additional Realtek 8723AE Bluetooth devices */ | |
362 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, | |
363 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, | |
364 | ||
365 | /* Additional Realtek 8723BE Bluetooth devices */ | |
366 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, | |
367 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, | |
368 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, | |
369 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, | |
370 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, | |
a81d72d2 | 371 | { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK }, |
a2698a9b | 372 | |
a41e0796 VB |
373 | /* Additional Realtek 8723BU Bluetooth devices */ |
374 | { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK }, | |
375 | ||
66d9975c | 376 | /* Additional Realtek 8723DE Bluetooth devices */ |
45ae68b8 | 377 | { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK }, |
66d9975c JHP |
378 | { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, |
379 | ||
a2698a9b DD |
380 | /* Additional Realtek 8821AE Bluetooth devices */ |
381 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, | |
382 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, | |
383 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, | |
384 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, | |
385 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, | |
386 | ||
fed03fe7 | 387 | /* Additional Realtek 8822BE Bluetooth devices */ |
1cd2fabf | 388 | { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK }, |
fed03fe7 LF |
389 | { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK }, |
390 | ||
4481c076 PP |
391 | /* Silicon Wave based devices */ |
392 | { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, | |
393 | ||
5e23b923 MH |
394 | { } /* Terminating entry */ |
395 | }; | |
396 | ||
1fdb9269 HG |
397 | /* The Bluetooth USB module build into some devices needs to be reset on resume, |
398 | * this is a problem with the platform (likely shutting off all power) not with | |
399 | * the module itself. So we use a DMI list to match known broken platforms. | |
400 | */ | |
401 | static const struct dmi_system_id btusb_needs_reset_resume_table[] = { | |
402 | { | |
0c6e5266 | 403 | /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ |
1fdb9269 | 404 | .matches = { |
0c6e5266 KHF |
405 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
406 | DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"), | |
1fdb9269 HG |
407 | }, |
408 | }, | |
596b07a9 HG |
409 | { |
410 | /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */ | |
411 | .matches = { | |
412 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
413 | DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), | |
414 | }, | |
415 | }, | |
939bc6c5 HG |
416 | { |
417 | /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */ | |
418 | .matches = { | |
419 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
420 | DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"), | |
421 | }, | |
422 | }, | |
1fdb9269 HG |
423 | {} |
424 | }; | |
425 | ||
9bfa35fe MH |
426 | #define BTUSB_MAX_ISOC_FRAMES 10 |
427 | ||
5e23b923 MH |
428 | #define BTUSB_INTR_RUNNING 0 |
429 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 430 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 431 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 432 | #define BTUSB_DID_ISO_RESUME 4 |
cda0dd78 MH |
433 | #define BTUSB_BOOTLOADER 5 |
434 | #define BTUSB_DOWNLOADING 6 | |
ce6bb929 | 435 | #define BTUSB_FIRMWARE_LOADED 7 |
cda0dd78 | 436 | #define BTUSB_FIRMWARE_FAILED 8 |
ce6bb929 | 437 | #define BTUSB_BOOTING 9 |
61f5acea HG |
438 | #define BTUSB_DIAG_RUNNING 10 |
439 | #define BTUSB_OOB_WAKE_ENABLED 11 | |
5e23b923 MH |
440 | |
441 | struct btusb_data { | |
442 | struct hci_dev *hdev; | |
443 | struct usb_device *udev; | |
5fbcd260 | 444 | struct usb_interface *intf; |
9bfa35fe | 445 | struct usb_interface *isoc; |
9d08f504 | 446 | struct usb_interface *diag; |
459232fc | 447 | unsigned isoc_ifnum; |
5e23b923 | 448 | |
5e23b923 MH |
449 | unsigned long flags; |
450 | ||
451 | struct work_struct work; | |
7bee549e | 452 | struct work_struct waker; |
5e23b923 | 453 | |
803b5836 | 454 | struct usb_anchor deferred; |
5e23b923 | 455 | struct usb_anchor tx_anchor; |
803b5836 MH |
456 | int tx_in_flight; |
457 | spinlock_t txlock; | |
458 | ||
5e23b923 MH |
459 | struct usb_anchor intr_anchor; |
460 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 461 | struct usb_anchor isoc_anchor; |
9d08f504 | 462 | struct usb_anchor diag_anchor; |
803b5836 MH |
463 | spinlock_t rxlock; |
464 | ||
465 | struct sk_buff *evt_skb; | |
466 | struct sk_buff *acl_skb; | |
467 | struct sk_buff *sco_skb; | |
5e23b923 MH |
468 | |
469 | struct usb_endpoint_descriptor *intr_ep; | |
470 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
471 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
472 | struct usb_endpoint_descriptor *isoc_tx_ep; |
473 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
9d08f504 MH |
474 | struct usb_endpoint_descriptor *diag_tx_ep; |
475 | struct usb_endpoint_descriptor *diag_rx_ep; | |
9bfa35fe | 476 | |
7a9d4020 | 477 | __u8 cmdreq_type; |
893ba544 | 478 | __u8 cmdreq; |
7a9d4020 | 479 | |
43c2e57f | 480 | unsigned int sco_num; |
9bfa35fe | 481 | int isoc_altsetting; |
6a88adf2 | 482 | int suspend_count; |
2cbd3f5c | 483 | |
97307f51 | 484 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
2cbd3f5c | 485 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
ace31982 KBYT |
486 | |
487 | int (*setup_on_usb)(struct hci_dev *hdev); | |
fd913ef7 RJ |
488 | |
489 | int oob_wake_irq; /* irq for out-of-band wake-on-bt */ | |
5e23b923 MH |
490 | }; |
491 | ||
803b5836 MH |
492 | static inline void btusb_free_frags(struct btusb_data *data) |
493 | { | |
494 | unsigned long flags; | |
495 | ||
496 | spin_lock_irqsave(&data->rxlock, flags); | |
497 | ||
498 | kfree_skb(data->evt_skb); | |
499 | data->evt_skb = NULL; | |
500 | ||
501 | kfree_skb(data->acl_skb); | |
502 | data->acl_skb = NULL; | |
503 | ||
504 | kfree_skb(data->sco_skb); | |
505 | data->sco_skb = NULL; | |
506 | ||
507 | spin_unlock_irqrestore(&data->rxlock, flags); | |
508 | } | |
509 | ||
1ffa4ad0 MH |
510 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
511 | { | |
803b5836 | 512 | struct sk_buff *skb; |
a5e50d5b | 513 | unsigned long flags; |
803b5836 MH |
514 | int err = 0; |
515 | ||
a5e50d5b | 516 | spin_lock_irqsave(&data->rxlock, flags); |
803b5836 MH |
517 | skb = data->evt_skb; |
518 | ||
519 | while (count) { | |
520 | int len; | |
521 | ||
522 | if (!skb) { | |
523 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
524 | if (!skb) { | |
525 | err = -ENOMEM; | |
526 | break; | |
527 | } | |
528 | ||
618e8bc2 MH |
529 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
530 | hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; | |
803b5836 MH |
531 | } |
532 | ||
618e8bc2 | 533 | len = min_t(uint, hci_skb_expect(skb), count); |
59ae1d12 | 534 | skb_put_data(skb, buffer, len); |
803b5836 MH |
535 | |
536 | count -= len; | |
537 | buffer += len; | |
618e8bc2 | 538 | hci_skb_expect(skb) -= len; |
803b5836 MH |
539 | |
540 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
541 | /* Complete event header */ | |
618e8bc2 | 542 | hci_skb_expect(skb) = hci_event_hdr(skb)->plen; |
803b5836 | 543 | |
618e8bc2 | 544 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
545 | kfree_skb(skb); |
546 | skb = NULL; | |
547 | ||
548 | err = -EILSEQ; | |
549 | break; | |
550 | } | |
551 | } | |
552 | ||
618e8bc2 | 553 | if (!hci_skb_expect(skb)) { |
803b5836 | 554 | /* Complete frame */ |
97307f51 | 555 | data->recv_event(data->hdev, skb); |
803b5836 MH |
556 | skb = NULL; |
557 | } | |
558 | } | |
559 | ||
560 | data->evt_skb = skb; | |
a5e50d5b | 561 | spin_unlock_irqrestore(&data->rxlock, flags); |
803b5836 MH |
562 | |
563 | return err; | |
1ffa4ad0 MH |
564 | } |
565 | ||
566 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
567 | { | |
803b5836 | 568 | struct sk_buff *skb; |
a5e50d5b | 569 | unsigned long flags; |
803b5836 MH |
570 | int err = 0; |
571 | ||
a5e50d5b | 572 | spin_lock_irqsave(&data->rxlock, flags); |
803b5836 MH |
573 | skb = data->acl_skb; |
574 | ||
575 | while (count) { | |
576 | int len; | |
577 | ||
578 | if (!skb) { | |
579 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
580 | if (!skb) { | |
581 | err = -ENOMEM; | |
582 | break; | |
583 | } | |
584 | ||
618e8bc2 MH |
585 | hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; |
586 | hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; | |
803b5836 MH |
587 | } |
588 | ||
618e8bc2 | 589 | len = min_t(uint, hci_skb_expect(skb), count); |
59ae1d12 | 590 | skb_put_data(skb, buffer, len); |
803b5836 MH |
591 | |
592 | count -= len; | |
593 | buffer += len; | |
618e8bc2 | 594 | hci_skb_expect(skb) -= len; |
803b5836 MH |
595 | |
596 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
597 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
598 | ||
599 | /* Complete ACL header */ | |
618e8bc2 | 600 | hci_skb_expect(skb) = __le16_to_cpu(dlen); |
803b5836 | 601 | |
618e8bc2 | 602 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
603 | kfree_skb(skb); |
604 | skb = NULL; | |
605 | ||
606 | err = -EILSEQ; | |
607 | break; | |
608 | } | |
609 | } | |
610 | ||
618e8bc2 | 611 | if (!hci_skb_expect(skb)) { |
803b5836 MH |
612 | /* Complete frame */ |
613 | hci_recv_frame(data->hdev, skb); | |
614 | skb = NULL; | |
615 | } | |
616 | } | |
617 | ||
618 | data->acl_skb = skb; | |
a5e50d5b | 619 | spin_unlock_irqrestore(&data->rxlock, flags); |
803b5836 MH |
620 | |
621 | return err; | |
1ffa4ad0 MH |
622 | } |
623 | ||
624 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
625 | { | |
803b5836 | 626 | struct sk_buff *skb; |
a5e50d5b | 627 | unsigned long flags; |
803b5836 MH |
628 | int err = 0; |
629 | ||
a5e50d5b | 630 | spin_lock_irqsave(&data->rxlock, flags); |
803b5836 MH |
631 | skb = data->sco_skb; |
632 | ||
633 | while (count) { | |
634 | int len; | |
635 | ||
636 | if (!skb) { | |
637 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
638 | if (!skb) { | |
639 | err = -ENOMEM; | |
640 | break; | |
641 | } | |
642 | ||
618e8bc2 MH |
643 | hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; |
644 | hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; | |
803b5836 MH |
645 | } |
646 | ||
618e8bc2 | 647 | len = min_t(uint, hci_skb_expect(skb), count); |
59ae1d12 | 648 | skb_put_data(skb, buffer, len); |
803b5836 MH |
649 | |
650 | count -= len; | |
651 | buffer += len; | |
618e8bc2 | 652 | hci_skb_expect(skb) -= len; |
803b5836 MH |
653 | |
654 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
655 | /* Complete SCO header */ | |
618e8bc2 | 656 | hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen; |
803b5836 | 657 | |
618e8bc2 | 658 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
659 | kfree_skb(skb); |
660 | skb = NULL; | |
661 | ||
662 | err = -EILSEQ; | |
663 | break; | |
664 | } | |
665 | } | |
666 | ||
618e8bc2 | 667 | if (!hci_skb_expect(skb)) { |
803b5836 MH |
668 | /* Complete frame */ |
669 | hci_recv_frame(data->hdev, skb); | |
670 | skb = NULL; | |
671 | } | |
672 | } | |
673 | ||
674 | data->sco_skb = skb; | |
a5e50d5b | 675 | spin_unlock_irqrestore(&data->rxlock, flags); |
803b5836 MH |
676 | |
677 | return err; | |
1ffa4ad0 MH |
678 | } |
679 | ||
5e23b923 MH |
680 | static void btusb_intr_complete(struct urb *urb) |
681 | { | |
682 | struct hci_dev *hdev = urb->context; | |
155961e8 | 683 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
684 | int err; |
685 | ||
89e7533d MH |
686 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
687 | urb->actual_length); | |
5e23b923 MH |
688 | |
689 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
690 | return; | |
691 | ||
692 | if (urb->status == 0) { | |
9bfa35fe MH |
693 | hdev->stat.byte_rx += urb->actual_length; |
694 | ||
1ffa4ad0 MH |
695 | if (btusb_recv_intr(data, urb->transfer_buffer, |
696 | urb->actual_length) < 0) { | |
2064ee33 | 697 | bt_dev_err(hdev, "corrupted event packet"); |
5e23b923 MH |
698 | hdev->stat.err_rx++; |
699 | } | |
85560c4a CC |
700 | } else if (urb->status == -ENOENT) { |
701 | /* Avoid suspend failed when usb_kill_urb */ | |
702 | return; | |
5e23b923 MH |
703 | } |
704 | ||
705 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
706 | return; | |
707 | ||
7bee549e | 708 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
709 | usb_anchor_urb(urb, &data->intr_anchor); |
710 | ||
711 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
712 | if (err < 0) { | |
4935f1c1 | 713 | /* -EPERM: urb is being killed; |
d98422cb DR |
714 | * -ENODEV: device got disconnected |
715 | */ | |
4935f1c1 | 716 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
717 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
718 | urb, -err); | |
5e23b923 MH |
719 | usb_unanchor_urb(urb); |
720 | } | |
721 | } | |
722 | ||
2eda66f4 | 723 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 724 | { |
155961e8 | 725 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
726 | struct urb *urb; |
727 | unsigned char *buf; | |
728 | unsigned int pipe; | |
729 | int err, size; | |
730 | ||
731 | BT_DBG("%s", hdev->name); | |
732 | ||
9bfa35fe MH |
733 | if (!data->intr_ep) |
734 | return -ENODEV; | |
735 | ||
2eda66f4 | 736 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
737 | if (!urb) |
738 | return -ENOMEM; | |
739 | ||
740 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
741 | ||
2eda66f4 | 742 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
743 | if (!buf) { |
744 | usb_free_urb(urb); | |
745 | return -ENOMEM; | |
746 | } | |
747 | ||
748 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
749 | ||
750 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 751 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
752 | |
753 | urb->transfer_flags |= URB_FREE_BUFFER; | |
754 | ||
755 | usb_anchor_urb(urb, &data->intr_anchor); | |
756 | ||
2eda66f4 | 757 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 758 | if (err < 0) { |
d4b8d1c9 | 759 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
760 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
761 | urb, -err); | |
5e23b923 | 762 | usb_unanchor_urb(urb); |
5e23b923 MH |
763 | } |
764 | ||
765 | usb_free_urb(urb); | |
766 | ||
767 | return err; | |
768 | } | |
769 | ||
770 | static void btusb_bulk_complete(struct urb *urb) | |
771 | { | |
772 | struct hci_dev *hdev = urb->context; | |
155961e8 | 773 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
774 | int err; |
775 | ||
89e7533d MH |
776 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
777 | urb->actual_length); | |
5e23b923 MH |
778 | |
779 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
780 | return; | |
781 | ||
782 | if (urb->status == 0) { | |
9bfa35fe MH |
783 | hdev->stat.byte_rx += urb->actual_length; |
784 | ||
2cbd3f5c | 785 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 786 | urb->actual_length) < 0) { |
2064ee33 | 787 | bt_dev_err(hdev, "corrupted ACL packet"); |
5e23b923 MH |
788 | hdev->stat.err_rx++; |
789 | } | |
85560c4a CC |
790 | } else if (urb->status == -ENOENT) { |
791 | /* Avoid suspend failed when usb_kill_urb */ | |
792 | return; | |
5e23b923 MH |
793 | } |
794 | ||
795 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
796 | return; | |
797 | ||
798 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 799 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
800 | |
801 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
802 | if (err < 0) { | |
4935f1c1 | 803 | /* -EPERM: urb is being killed; |
d98422cb DR |
804 | * -ENODEV: device got disconnected |
805 | */ | |
4935f1c1 | 806 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
807 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
808 | urb, -err); | |
5e23b923 MH |
809 | usb_unanchor_urb(urb); |
810 | } | |
811 | } | |
812 | ||
2eda66f4 | 813 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 814 | { |
155961e8 | 815 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
816 | struct urb *urb; |
817 | unsigned char *buf; | |
818 | unsigned int pipe; | |
290ba200 | 819 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
820 | |
821 | BT_DBG("%s", hdev->name); | |
822 | ||
9bfa35fe MH |
823 | if (!data->bulk_rx_ep) |
824 | return -ENODEV; | |
825 | ||
2eda66f4 | 826 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
827 | if (!urb) |
828 | return -ENOMEM; | |
829 | ||
2eda66f4 | 830 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
831 | if (!buf) { |
832 | usb_free_urb(urb); | |
833 | return -ENOMEM; | |
834 | } | |
835 | ||
836 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
837 | ||
89e7533d MH |
838 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
839 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
840 | |
841 | urb->transfer_flags |= URB_FREE_BUFFER; | |
842 | ||
7bee549e | 843 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
844 | usb_anchor_urb(urb, &data->bulk_anchor); |
845 | ||
2eda66f4 | 846 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 847 | if (err < 0) { |
d4b8d1c9 | 848 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
849 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
850 | urb, -err); | |
5e23b923 | 851 | usb_unanchor_urb(urb); |
5e23b923 MH |
852 | } |
853 | ||
854 | usb_free_urb(urb); | |
855 | ||
856 | return err; | |
857 | } | |
858 | ||
9bfa35fe MH |
859 | static void btusb_isoc_complete(struct urb *urb) |
860 | { | |
861 | struct hci_dev *hdev = urb->context; | |
155961e8 | 862 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
863 | int i, err; |
864 | ||
89e7533d MH |
865 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
866 | urb->actual_length); | |
9bfa35fe MH |
867 | |
868 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
869 | return; | |
870 | ||
871 | if (urb->status == 0) { | |
872 | for (i = 0; i < urb->number_of_packets; i++) { | |
873 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
874 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
875 | ||
876 | if (urb->iso_frame_desc[i].status) | |
877 | continue; | |
878 | ||
879 | hdev->stat.byte_rx += length; | |
880 | ||
1ffa4ad0 MH |
881 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
882 | length) < 0) { | |
2064ee33 | 883 | bt_dev_err(hdev, "corrupted SCO packet"); |
9bfa35fe MH |
884 | hdev->stat.err_rx++; |
885 | } | |
886 | } | |
85560c4a CC |
887 | } else if (urb->status == -ENOENT) { |
888 | /* Avoid suspend failed when usb_kill_urb */ | |
889 | return; | |
9bfa35fe MH |
890 | } |
891 | ||
892 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
893 | return; | |
894 | ||
895 | usb_anchor_urb(urb, &data->isoc_anchor); | |
896 | ||
897 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
898 | if (err < 0) { | |
4935f1c1 | 899 | /* -EPERM: urb is being killed; |
d98422cb DR |
900 | * -ENODEV: device got disconnected |
901 | */ | |
4935f1c1 | 902 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
903 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
904 | urb, -err); | |
9bfa35fe MH |
905 | usb_unanchor_urb(urb); |
906 | } | |
907 | } | |
908 | ||
42b16b3f | 909 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
910 | { |
911 | int i, offset = 0; | |
912 | ||
913 | BT_DBG("len %d mtu %d", len, mtu); | |
914 | ||
915 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
916 | i++, offset += mtu, len -= mtu) { | |
917 | urb->iso_frame_desc[i].offset = offset; | |
918 | urb->iso_frame_desc[i].length = mtu; | |
919 | } | |
920 | ||
921 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
922 | urb->iso_frame_desc[i].offset = offset; | |
923 | urb->iso_frame_desc[i].length = len; | |
924 | i++; | |
925 | } | |
926 | ||
927 | urb->number_of_packets = i; | |
928 | } | |
929 | ||
2eda66f4 | 930 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 931 | { |
155961e8 | 932 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
933 | struct urb *urb; |
934 | unsigned char *buf; | |
935 | unsigned int pipe; | |
936 | int err, size; | |
937 | ||
938 | BT_DBG("%s", hdev->name); | |
939 | ||
940 | if (!data->isoc_rx_ep) | |
941 | return -ENODEV; | |
942 | ||
2eda66f4 | 943 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
944 | if (!urb) |
945 | return -ENOMEM; | |
946 | ||
947 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
948 | BTUSB_MAX_ISOC_FRAMES; | |
949 | ||
2eda66f4 | 950 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
951 | if (!buf) { |
952 | usb_free_urb(urb); | |
953 | return -ENOMEM; | |
954 | } | |
955 | ||
956 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
957 | ||
fa0fb93f | 958 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 959 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 960 | |
89e7533d | 961 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
962 | |
963 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 964 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
965 | |
966 | usb_anchor_urb(urb, &data->isoc_anchor); | |
967 | ||
2eda66f4 | 968 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 969 | if (err < 0) { |
d4b8d1c9 | 970 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
971 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
972 | urb, -err); | |
9bfa35fe | 973 | usb_unanchor_urb(urb); |
9bfa35fe MH |
974 | } |
975 | ||
976 | usb_free_urb(urb); | |
977 | ||
978 | return err; | |
979 | } | |
980 | ||
9d08f504 MH |
981 | static void btusb_diag_complete(struct urb *urb) |
982 | { | |
983 | struct hci_dev *hdev = urb->context; | |
984 | struct btusb_data *data = hci_get_drvdata(hdev); | |
985 | int err; | |
986 | ||
987 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, | |
988 | urb->actual_length); | |
989 | ||
990 | if (urb->status == 0) { | |
991 | struct sk_buff *skb; | |
992 | ||
993 | skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC); | |
994 | if (skb) { | |
59ae1d12 JB |
995 | skb_put_data(skb, urb->transfer_buffer, |
996 | urb->actual_length); | |
9d08f504 MH |
997 | hci_recv_diag(hdev, skb); |
998 | } | |
999 | } else if (urb->status == -ENOENT) { | |
1000 | /* Avoid suspend failed when usb_kill_urb */ | |
1001 | return; | |
1002 | } | |
1003 | ||
1004 | if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) | |
1005 | return; | |
1006 | ||
1007 | usb_anchor_urb(urb, &data->diag_anchor); | |
1008 | usb_mark_last_busy(data->udev); | |
1009 | ||
1010 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1011 | if (err < 0) { | |
1012 | /* -EPERM: urb is being killed; | |
d98422cb DR |
1013 | * -ENODEV: device got disconnected |
1014 | */ | |
9d08f504 | 1015 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
1016 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
1017 | urb, -err); | |
9d08f504 MH |
1018 | usb_unanchor_urb(urb); |
1019 | } | |
1020 | } | |
1021 | ||
1022 | static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) | |
1023 | { | |
1024 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1025 | struct urb *urb; | |
1026 | unsigned char *buf; | |
1027 | unsigned int pipe; | |
1028 | int err, size = HCI_MAX_FRAME_SIZE; | |
1029 | ||
1030 | BT_DBG("%s", hdev->name); | |
1031 | ||
1032 | if (!data->diag_rx_ep) | |
1033 | return -ENODEV; | |
1034 | ||
1035 | urb = usb_alloc_urb(0, mem_flags); | |
1036 | if (!urb) | |
1037 | return -ENOMEM; | |
1038 | ||
1039 | buf = kmalloc(size, mem_flags); | |
1040 | if (!buf) { | |
1041 | usb_free_urb(urb); | |
1042 | return -ENOMEM; | |
1043 | } | |
1044 | ||
1045 | pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); | |
1046 | ||
1047 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, | |
1048 | btusb_diag_complete, hdev); | |
1049 | ||
1050 | urb->transfer_flags |= URB_FREE_BUFFER; | |
1051 | ||
1052 | usb_mark_last_busy(data->udev); | |
1053 | usb_anchor_urb(urb, &data->diag_anchor); | |
1054 | ||
1055 | err = usb_submit_urb(urb, mem_flags); | |
1056 | if (err < 0) { | |
1057 | if (err != -EPERM && err != -ENODEV) | |
2064ee33 MH |
1058 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
1059 | urb, -err); | |
9d08f504 MH |
1060 | usb_unanchor_urb(urb); |
1061 | } | |
1062 | ||
1063 | usb_free_urb(urb); | |
1064 | ||
1065 | return err; | |
1066 | } | |
1067 | ||
5e23b923 | 1068 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
1069 | { |
1070 | struct sk_buff *skb = urb->context; | |
89e7533d | 1071 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 1072 | struct btusb_data *data = hci_get_drvdata(hdev); |
a5e50d5b | 1073 | unsigned long flags; |
7bee549e | 1074 | |
89e7533d MH |
1075 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
1076 | urb->actual_length); | |
7bee549e ON |
1077 | |
1078 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1079 | goto done; | |
1080 | ||
1081 | if (!urb->status) | |
1082 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1083 | else | |
1084 | hdev->stat.err_tx++; | |
1085 | ||
1086 | done: | |
a5e50d5b | 1087 | spin_lock_irqsave(&data->txlock, flags); |
7bee549e | 1088 | data->tx_in_flight--; |
a5e50d5b | 1089 | spin_unlock_irqrestore(&data->txlock, flags); |
7bee549e ON |
1090 | |
1091 | kfree(urb->setup_packet); | |
1092 | ||
1093 | kfree_skb(skb); | |
1094 | } | |
1095 | ||
1096 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
1097 | { |
1098 | struct sk_buff *skb = urb->context; | |
89e7533d | 1099 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 1100 | |
89e7533d MH |
1101 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
1102 | urb->actual_length); | |
5e23b923 MH |
1103 | |
1104 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1105 | goto done; | |
1106 | ||
1107 | if (!urb->status) | |
1108 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1109 | else | |
1110 | hdev->stat.err_tx++; | |
1111 | ||
1112 | done: | |
1113 | kfree(urb->setup_packet); | |
1114 | ||
1115 | kfree_skb(skb); | |
1116 | } | |
1117 | ||
1118 | static int btusb_open(struct hci_dev *hdev) | |
1119 | { | |
155961e8 | 1120 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1121 | int err; |
1122 | ||
1123 | BT_DBG("%s", hdev->name); | |
1124 | ||
c7e163fe EH |
1125 | err = usb_autopm_get_interface(data->intf); |
1126 | if (err < 0) | |
1127 | return err; | |
1128 | ||
ace31982 KBYT |
1129 | /* Patching USB firmware files prior to starting any URBs of HCI path |
1130 | * It is more safe to use USB bulk channel for downloading USB patch | |
1131 | */ | |
1132 | if (data->setup_on_usb) { | |
1133 | err = data->setup_on_usb(hdev); | |
eb50042f | 1134 | if (err < 0) |
ace31982 KBYT |
1135 | return err; |
1136 | } | |
1137 | ||
7bee549e | 1138 | data->intf->needs_remote_wakeup = 1; |
a0085f25 SG |
1139 | /* device specific wakeup source enabled and required for USB |
1140 | * remote wakeup while host is suspended | |
1141 | */ | |
1142 | device_wakeup_enable(&data->udev->dev); | |
7bee549e | 1143 | |
5e23b923 | 1144 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
7bee549e | 1145 | goto done; |
5e23b923 | 1146 | |
2eda66f4 | 1147 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
1148 | if (err < 0) |
1149 | goto failed; | |
1150 | ||
1151 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 1152 | if (err < 0) { |
43c2e57f MH |
1153 | usb_kill_anchored_urbs(&data->intr_anchor); |
1154 | goto failed; | |
5e23b923 MH |
1155 | } |
1156 | ||
43c2e57f MH |
1157 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
1158 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
1159 | ||
9d08f504 MH |
1160 | if (data->diag) { |
1161 | if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) | |
1162 | set_bit(BTUSB_DIAG_RUNNING, &data->flags); | |
1163 | } | |
1164 | ||
7bee549e ON |
1165 | done: |
1166 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
1167 | return 0; |
1168 | ||
1169 | failed: | |
1170 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1171 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
1172 | return err; |
1173 | } | |
1174 | ||
7bee549e ON |
1175 | static void btusb_stop_traffic(struct btusb_data *data) |
1176 | { | |
1177 | usb_kill_anchored_urbs(&data->intr_anchor); | |
1178 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
1179 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
9d08f504 | 1180 | usb_kill_anchored_urbs(&data->diag_anchor); |
7bee549e ON |
1181 | } |
1182 | ||
5e23b923 MH |
1183 | static int btusb_close(struct hci_dev *hdev) |
1184 | { | |
155961e8 | 1185 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 1186 | int err; |
5e23b923 MH |
1187 | |
1188 | BT_DBG("%s", hdev->name); | |
1189 | ||
e8c3c3d2 | 1190 | cancel_work_sync(&data->work); |
404291ac | 1191 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 1192 | |
9bfa35fe | 1193 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 1194 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 1195 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
9d08f504 | 1196 | clear_bit(BTUSB_DIAG_RUNNING, &data->flags); |
7bee549e ON |
1197 | |
1198 | btusb_stop_traffic(data); | |
803b5836 MH |
1199 | btusb_free_frags(data); |
1200 | ||
7bee549e ON |
1201 | err = usb_autopm_get_interface(data->intf); |
1202 | if (err < 0) | |
7b8e2c1d | 1203 | goto failed; |
7bee549e ON |
1204 | |
1205 | data->intf->needs_remote_wakeup = 0; | |
a0085f25 | 1206 | device_wakeup_disable(&data->udev->dev); |
7bee549e | 1207 | usb_autopm_put_interface(data->intf); |
5e23b923 | 1208 | |
7b8e2c1d ON |
1209 | failed: |
1210 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
1211 | return 0; |
1212 | } | |
1213 | ||
1214 | static int btusb_flush(struct hci_dev *hdev) | |
1215 | { | |
155961e8 | 1216 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1217 | |
1218 | BT_DBG("%s", hdev->name); | |
1219 | ||
1220 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 1221 | btusb_free_frags(data); |
5e23b923 MH |
1222 | |
1223 | return 0; | |
1224 | } | |
1225 | ||
047b2ec8 | 1226 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 1227 | { |
155961e8 | 1228 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1229 | struct usb_ctrlrequest *dr; |
1230 | struct urb *urb; | |
1231 | unsigned int pipe; | |
5e23b923 | 1232 | |
047b2ec8 MH |
1233 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1234 | if (!urb) | |
1235 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1236 | |
047b2ec8 MH |
1237 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
1238 | if (!dr) { | |
1239 | usb_free_urb(urb); | |
1240 | return ERR_PTR(-ENOMEM); | |
1241 | } | |
5e23b923 | 1242 | |
047b2ec8 | 1243 | dr->bRequestType = data->cmdreq_type; |
893ba544 | 1244 | dr->bRequest = data->cmdreq; |
047b2ec8 MH |
1245 | dr->wIndex = 0; |
1246 | dr->wValue = 0; | |
1247 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 1248 | |
047b2ec8 | 1249 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 1250 | |
89e7533d | 1251 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 1252 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 1253 | |
89e7533d | 1254 | skb->dev = (void *)hdev; |
5e23b923 | 1255 | |
047b2ec8 MH |
1256 | return urb; |
1257 | } | |
5e23b923 | 1258 | |
047b2ec8 MH |
1259 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1260 | { | |
1261 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1262 | struct urb *urb; | |
1263 | unsigned int pipe; | |
5e23b923 | 1264 | |
047b2ec8 MH |
1265 | if (!data->bulk_tx_ep) |
1266 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1267 | |
047b2ec8 MH |
1268 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1269 | if (!urb) | |
1270 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1271 | |
047b2ec8 | 1272 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 1273 | |
047b2ec8 MH |
1274 | usb_fill_bulk_urb(urb, data->udev, pipe, |
1275 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 1276 | |
89e7533d | 1277 | skb->dev = (void *)hdev; |
5e23b923 | 1278 | |
047b2ec8 MH |
1279 | return urb; |
1280 | } | |
9bfa35fe | 1281 | |
047b2ec8 MH |
1282 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1283 | { | |
1284 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1285 | struct urb *urb; | |
1286 | unsigned int pipe; | |
9bfa35fe | 1287 | |
047b2ec8 MH |
1288 | if (!data->isoc_tx_ep) |
1289 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1290 | |
047b2ec8 MH |
1291 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1292 | if (!urb) | |
1293 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1294 | |
047b2ec8 | 1295 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1296 | |
047b2ec8 MH |
1297 | usb_fill_int_urb(urb, data->udev, pipe, |
1298 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1299 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1300 | |
047b2ec8 | 1301 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1302 | |
047b2ec8 MH |
1303 | __fill_isoc_descriptor(urb, skb->len, |
1304 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1305 | |
89e7533d | 1306 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1307 | |
1308 | return urb; | |
1309 | } | |
1310 | ||
1311 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1312 | { | |
1313 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1314 | int err; | |
7bee549e | 1315 | |
5e23b923 MH |
1316 | usb_anchor_urb(urb, &data->tx_anchor); |
1317 | ||
e9753eff | 1318 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1319 | if (err < 0) { |
5a9b80e2 | 1320 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
1321 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
1322 | urb, -err); | |
5e23b923 MH |
1323 | kfree(urb->setup_packet); |
1324 | usb_unanchor_urb(urb); | |
7bee549e ON |
1325 | } else { |
1326 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1327 | } |
1328 | ||
54a8a79c | 1329 | usb_free_urb(urb); |
5e23b923 MH |
1330 | return err; |
1331 | } | |
1332 | ||
047b2ec8 MH |
1333 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1334 | { | |
1335 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1336 | unsigned long flags; | |
1337 | bool suspending; | |
1338 | ||
1339 | spin_lock_irqsave(&data->txlock, flags); | |
1340 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1341 | if (!suspending) | |
1342 | data->tx_in_flight++; | |
1343 | spin_unlock_irqrestore(&data->txlock, flags); | |
1344 | ||
1345 | if (!suspending) | |
1346 | return submit_tx_urb(hdev, urb); | |
1347 | ||
1348 | usb_anchor_urb(urb, &data->deferred); | |
1349 | schedule_work(&data->waker); | |
1350 | ||
1351 | usb_free_urb(urb); | |
1352 | return 0; | |
1353 | } | |
1354 | ||
1355 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1356 | { | |
1357 | struct urb *urb; | |
1358 | ||
1359 | BT_DBG("%s", hdev->name); | |
1360 | ||
618e8bc2 | 1361 | switch (hci_skb_pkt_type(skb)) { |
047b2ec8 MH |
1362 | case HCI_COMMAND_PKT: |
1363 | urb = alloc_ctrl_urb(hdev, skb); | |
1364 | if (IS_ERR(urb)) | |
1365 | return PTR_ERR(urb); | |
1366 | ||
1367 | hdev->stat.cmd_tx++; | |
1368 | return submit_or_queue_tx_urb(hdev, urb); | |
1369 | ||
1370 | case HCI_ACLDATA_PKT: | |
1371 | urb = alloc_bulk_urb(hdev, skb); | |
1372 | if (IS_ERR(urb)) | |
1373 | return PTR_ERR(urb); | |
1374 | ||
1375 | hdev->stat.acl_tx++; | |
1376 | return submit_or_queue_tx_urb(hdev, urb); | |
1377 | ||
1378 | case HCI_SCODATA_PKT: | |
1379 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1380 | return -ENODEV; | |
1381 | ||
1382 | urb = alloc_isoc_urb(hdev, skb); | |
1383 | if (IS_ERR(urb)) | |
1384 | return PTR_ERR(urb); | |
1385 | ||
1386 | hdev->stat.sco_tx++; | |
1387 | return submit_tx_urb(hdev, urb); | |
1388 | } | |
1389 | ||
1390 | return -EILSEQ; | |
1391 | } | |
1392 | ||
5e23b923 MH |
1393 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1394 | { | |
155961e8 | 1395 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1396 | |
1397 | BT_DBG("%s evt %d", hdev->name, evt); | |
1398 | ||
014f7bc7 MH |
1399 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1400 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1401 | schedule_work(&data->work); |
a780efa8 | 1402 | } |
5e23b923 MH |
1403 | } |
1404 | ||
42b16b3f | 1405 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1406 | { |
155961e8 | 1407 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1408 | struct usb_interface *intf = data->isoc; |
1409 | struct usb_endpoint_descriptor *ep_desc; | |
1410 | int i, err; | |
1411 | ||
1412 | if (!data->isoc) | |
1413 | return -ENODEV; | |
1414 | ||
459232fc | 1415 | err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting); |
9bfa35fe | 1416 | if (err < 0) { |
2064ee33 | 1417 | bt_dev_err(hdev, "setting interface failed (%d)", -err); |
9bfa35fe MH |
1418 | return err; |
1419 | } | |
1420 | ||
1421 | data->isoc_altsetting = altsetting; | |
1422 | ||
1423 | data->isoc_tx_ep = NULL; | |
1424 | data->isoc_rx_ep = NULL; | |
1425 | ||
1426 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1427 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1428 | ||
1429 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1430 | data->isoc_tx_ep = ep_desc; | |
1431 | continue; | |
1432 | } | |
1433 | ||
1434 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1435 | data->isoc_rx_ep = ep_desc; | |
1436 | continue; | |
1437 | } | |
1438 | } | |
1439 | ||
1440 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
2064ee33 | 1441 | bt_dev_err(hdev, "invalid SCO descriptors"); |
9bfa35fe MH |
1442 | return -ENODEV; |
1443 | } | |
1444 | ||
1445 | return 0; | |
1446 | } | |
1447 | ||
5e23b923 MH |
1448 | static void btusb_work(struct work_struct *work) |
1449 | { | |
1450 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1451 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1452 | int new_alts; |
7bee549e | 1453 | int err; |
5e23b923 | 1454 | |
014f7bc7 | 1455 | if (data->sco_num > 0) { |
08b8b6c4 | 1456 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1457 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1458 | if (err < 0) { |
1459 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1460 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1461 | return; | |
1462 | } | |
1463 | ||
08b8b6c4 | 1464 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1465 | } |
f4001d28 MA |
1466 | |
1467 | if (hdev->voice_setting & 0x0020) { | |
1468 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1469 | |
014f7bc7 | 1470 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1471 | } else { |
014f7bc7 | 1472 | new_alts = data->sco_num; |
f4001d28 MA |
1473 | } |
1474 | ||
1475 | if (data->isoc_altsetting != new_alts) { | |
f6fc86f2 KP |
1476 | unsigned long flags; |
1477 | ||
9bfa35fe MH |
1478 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1479 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1480 | ||
8f9d02f4 KP |
1481 | /* When isochronous alternate setting needs to be |
1482 | * changed, because SCO connection has been added | |
1483 | * or removed, a packet fragment may be left in the | |
1484 | * reassembling state. This could lead to wrongly | |
1485 | * assembled fragments. | |
1486 | * | |
1487 | * Clear outstanding fragment when selecting a new | |
1488 | * alternate setting. | |
1489 | */ | |
f6fc86f2 | 1490 | spin_lock_irqsave(&data->rxlock, flags); |
8f9d02f4 KP |
1491 | kfree_skb(data->sco_skb); |
1492 | data->sco_skb = NULL; | |
f6fc86f2 | 1493 | spin_unlock_irqrestore(&data->rxlock, flags); |
8f9d02f4 | 1494 | |
f4001d28 | 1495 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1496 | return; |
1497 | } | |
1498 | ||
1499 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1500 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1501 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1502 | else | |
2eda66f4 | 1503 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1504 | } |
1505 | } else { | |
1506 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1507 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1508 | ||
1509 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1510 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1511 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1512 | } |
1513 | } | |
1514 | ||
7bee549e ON |
1515 | static void btusb_waker(struct work_struct *work) |
1516 | { | |
1517 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1518 | int err; | |
1519 | ||
1520 | err = usb_autopm_get_interface(data->intf); | |
1521 | if (err < 0) | |
1522 | return; | |
1523 | ||
1524 | usb_autopm_put_interface(data->intf); | |
1525 | } | |
1526 | ||
9f8f962c MH |
1527 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1528 | { | |
1529 | struct sk_buff *skb; | |
1530 | u8 val = 0x00; | |
1531 | ||
1532 | BT_DBG("%s", hdev->name); | |
1533 | ||
1534 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1535 | if (IS_ERR(skb)) | |
2064ee33 | 1536 | bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb)); |
9f8f962c MH |
1537 | else |
1538 | kfree_skb(skb); | |
1539 | ||
1540 | return 0; | |
1541 | } | |
1542 | ||
81cac64b MH |
1543 | static int btusb_setup_csr(struct hci_dev *hdev) |
1544 | { | |
1545 | struct hci_rp_read_local_version *rp; | |
1546 | struct sk_buff *skb; | |
81cac64b MH |
1547 | |
1548 | BT_DBG("%s", hdev->name); | |
1549 | ||
7cd84d72 MH |
1550 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
1551 | HCI_INIT_TIMEOUT); | |
1552 | if (IS_ERR(skb)) { | |
1553 | int err = PTR_ERR(skb); | |
2064ee33 | 1554 | bt_dev_err(hdev, "CSR: Local version failed (%d)", err); |
7cd84d72 MH |
1555 | return err; |
1556 | } | |
1557 | ||
1558 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { | |
2064ee33 | 1559 | bt_dev_err(hdev, "CSR: Local version length mismatch"); |
7cd84d72 MH |
1560 | kfree_skb(skb); |
1561 | return -EIO; | |
1562 | } | |
81cac64b | 1563 | |
89e7533d | 1564 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b | 1565 | |
6cafcd95 JH |
1566 | /* Detect controllers which aren't real CSR ones. */ |
1567 | if (le16_to_cpu(rp->manufacturer) != 10 || | |
1568 | le16_to_cpu(rp->lmp_subver) == 0x0c5c) { | |
9641d343 MH |
1569 | /* Clear the reset quirk since this is not an actual |
1570 | * early Bluetooth 1.1 device from CSR. | |
1571 | */ | |
1572 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
81cac64b | 1573 | |
9641d343 MH |
1574 | /* These fake CSR controllers have all a broken |
1575 | * stored link key handling and so just disable it. | |
1576 | */ | |
1577 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
1578 | } | |
81cac64b MH |
1579 | |
1580 | kfree_skb(skb); | |
1581 | ||
9641d343 | 1582 | return 0; |
81cac64b MH |
1583 | } |
1584 | ||
dffd30ee | 1585 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
89e7533d | 1586 | struct intel_version *ver) |
dffd30ee THJA |
1587 | { |
1588 | const struct firmware *fw; | |
1589 | char fwname[64]; | |
1590 | int ret; | |
1591 | ||
1592 | snprintf(fwname, sizeof(fwname), | |
1593 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1594 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1595 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1596 | ver->fw_build_ww, ver->fw_build_yy); | |
1597 | ||
1598 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1599 | if (ret < 0) { | |
1600 | if (ret == -EINVAL) { | |
85418fef MH |
1601 | bt_dev_err(hdev, "Intel firmware file request failed (%d)", |
1602 | ret); | |
dffd30ee THJA |
1603 | return NULL; |
1604 | } | |
1605 | ||
85418fef MH |
1606 | bt_dev_err(hdev, "failed to open Intel firmware file: %s (%d)", |
1607 | fwname, ret); | |
dffd30ee THJA |
1608 | |
1609 | /* If the correct firmware patch file is not found, use the | |
1610 | * default firmware patch file instead | |
1611 | */ | |
1612 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1613 | ver->hw_platform, ver->hw_variant); | |
1614 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
85418fef MH |
1615 | bt_dev_err(hdev, "failed to open default fw file: %s", |
1616 | fwname); | |
dffd30ee THJA |
1617 | return NULL; |
1618 | } | |
1619 | } | |
1620 | ||
2064ee33 | 1621 | bt_dev_info(hdev, "Intel Bluetooth firmware file: %s", fwname); |
dffd30ee THJA |
1622 | |
1623 | return fw; | |
1624 | } | |
1625 | ||
1626 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1627 | const struct firmware *fw, | |
1628 | const u8 **fw_ptr, int *disable_patch) | |
1629 | { | |
1630 | struct sk_buff *skb; | |
1631 | struct hci_command_hdr *cmd; | |
1632 | const u8 *cmd_param; | |
1633 | struct hci_event_hdr *evt = NULL; | |
1634 | const u8 *evt_param = NULL; | |
1635 | int remain = fw->size - (*fw_ptr - fw->data); | |
1636 | ||
1637 | /* The first byte indicates the types of the patch command or event. | |
1638 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1639 | * in the current firmware buffer doesn't start with 0x01 or | |
1640 | * the size of remain buffer is smaller than HCI command header, | |
1641 | * the firmware file is corrupted and it should stop the patching | |
1642 | * process. | |
1643 | */ | |
1644 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
85418fef | 1645 | bt_dev_err(hdev, "Intel fw corrupted: invalid cmd read"); |
dffd30ee THJA |
1646 | return -EINVAL; |
1647 | } | |
1648 | (*fw_ptr)++; | |
1649 | remain--; | |
1650 | ||
1651 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1652 | *fw_ptr += sizeof(*cmd); | |
1653 | remain -= sizeof(*cmd); | |
1654 | ||
1655 | /* Ensure that the remain firmware data is long enough than the length | |
1656 | * of command parameter. If not, the firmware file is corrupted. | |
1657 | */ | |
1658 | if (remain < cmd->plen) { | |
85418fef | 1659 | bt_dev_err(hdev, "Intel fw corrupted: invalid cmd len"); |
dffd30ee THJA |
1660 | return -EFAULT; |
1661 | } | |
1662 | ||
1663 | /* If there is a command that loads a patch in the firmware | |
1664 | * file, then enable the patch upon success, otherwise just | |
1665 | * disable the manufacturer mode, for example patch activation | |
1666 | * is not required when the default firmware patch file is used | |
1667 | * because there are no patch data to load. | |
1668 | */ | |
1669 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1670 | *disable_patch = 0; | |
1671 | ||
1672 | cmd_param = *fw_ptr; | |
1673 | *fw_ptr += cmd->plen; | |
1674 | remain -= cmd->plen; | |
1675 | ||
1676 | /* This reads the expected events when the above command is sent to the | |
1677 | * device. Some vendor commands expects more than one events, for | |
1678 | * example command status event followed by vendor specific event. | |
1679 | * For this case, it only keeps the last expected event. so the command | |
1680 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1681 | * last expected event. | |
1682 | */ | |
1683 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1684 | (*fw_ptr)++; | |
1685 | remain--; | |
1686 | ||
1687 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1688 | *fw_ptr += sizeof(*evt); | |
1689 | remain -= sizeof(*evt); | |
1690 | ||
1691 | if (remain < evt->plen) { | |
85418fef | 1692 | bt_dev_err(hdev, "Intel fw corrupted: invalid evt len"); |
dffd30ee THJA |
1693 | return -EFAULT; |
1694 | } | |
1695 | ||
1696 | evt_param = *fw_ptr; | |
1697 | *fw_ptr += evt->plen; | |
1698 | remain -= evt->plen; | |
1699 | } | |
1700 | ||
1701 | /* Every HCI commands in the firmware file has its correspond event. | |
1702 | * If event is not found or remain is smaller than zero, the firmware | |
1703 | * file is corrupted. | |
1704 | */ | |
1705 | if (!evt || !evt_param || remain < 0) { | |
85418fef | 1706 | bt_dev_err(hdev, "Intel fw corrupted: invalid evt read"); |
dffd30ee THJA |
1707 | return -EFAULT; |
1708 | } | |
1709 | ||
1710 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1711 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1712 | if (IS_ERR(skb)) { | |
85418fef MH |
1713 | bt_dev_err(hdev, "sending Intel patch command (0x%4.4x) failed (%ld)", |
1714 | cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1715 | return PTR_ERR(skb); |
dffd30ee THJA |
1716 | } |
1717 | ||
1718 | /* It ensures that the returned event matches the event data read from | |
1719 | * the firmware file. At fist, it checks the length and then | |
1720 | * the contents of the event. | |
1721 | */ | |
1722 | if (skb->len != evt->plen) { | |
85418fef MH |
1723 | bt_dev_err(hdev, "mismatch event length (opcode 0x%4.4x)", |
1724 | le16_to_cpu(cmd->opcode)); | |
dffd30ee THJA |
1725 | kfree_skb(skb); |
1726 | return -EFAULT; | |
1727 | } | |
1728 | ||
1729 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
85418fef MH |
1730 | bt_dev_err(hdev, "mismatch event parameter (opcode 0x%4.4x)", |
1731 | le16_to_cpu(cmd->opcode)); | |
dffd30ee THJA |
1732 | kfree_skb(skb); |
1733 | return -EFAULT; | |
1734 | } | |
1735 | kfree_skb(skb); | |
1736 | ||
1737 | return 0; | |
1738 | } | |
1739 | ||
1740 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1741 | { | |
1742 | struct sk_buff *skb; | |
1743 | const struct firmware *fw; | |
1744 | const u8 *fw_ptr; | |
28dc4b92 | 1745 | int disable_patch, err; |
6c483de1 | 1746 | struct intel_version ver; |
dffd30ee | 1747 | |
dffd30ee THJA |
1748 | BT_DBG("%s", hdev->name); |
1749 | ||
1750 | /* The controller has a bug with the first HCI command sent to it | |
1751 | * returning number of completed commands as zero. This would stall the | |
1752 | * command processing in the Bluetooth core. | |
1753 | * | |
1754 | * As a workaround, send HCI Reset command first which will reset the | |
1755 | * number of completed commands and allow normal command processing | |
1756 | * from now on. | |
1757 | */ | |
1758 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1759 | if (IS_ERR(skb)) { | |
85418fef MH |
1760 | bt_dev_err(hdev, "sending initial HCI reset command failed (%ld)", |
1761 | PTR_ERR(skb)); | |
d9c78e97 | 1762 | return PTR_ERR(skb); |
dffd30ee THJA |
1763 | } |
1764 | kfree_skb(skb); | |
1765 | ||
1766 | /* Read Intel specific controller version first to allow selection of | |
1767 | * which firmware file to load. | |
1768 | * | |
1769 | * The returned information are hardware variant and revision plus | |
1770 | * firmware variant, revision and build number. | |
1771 | */ | |
6c483de1 LP |
1772 | err = btintel_read_version(hdev, &ver); |
1773 | if (err) | |
1774 | return err; | |
dffd30ee | 1775 | |
2064ee33 MH |
1776 | bt_dev_info(hdev, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", |
1777 | ver.hw_platform, ver.hw_variant, ver.hw_revision, | |
1778 | ver.fw_variant, ver.fw_revision, ver.fw_build_num, | |
1779 | ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num); | |
dffd30ee THJA |
1780 | |
1781 | /* fw_patch_num indicates the version of patch the device currently | |
1782 | * have. If there is no patch data in the device, it is always 0x00. | |
5075edae | 1783 | * So, if it is other than 0x00, no need to patch the device again. |
dffd30ee | 1784 | */ |
6c483de1 | 1785 | if (ver.fw_patch_num) { |
2064ee33 MH |
1786 | bt_dev_info(hdev, "Intel device is already patched. " |
1787 | "patch num: %02x", ver.fw_patch_num); | |
213445b2 | 1788 | goto complete; |
dffd30ee THJA |
1789 | } |
1790 | ||
1791 | /* Opens the firmware patch file based on the firmware version read | |
1792 | * from the controller. If it fails to open the matching firmware | |
1793 | * patch file, it tries to open the default firmware patch file. | |
1794 | * If no patch file is found, allow the device to operate without | |
1795 | * a patch. | |
1796 | */ | |
6c483de1 LP |
1797 | fw = btusb_setup_intel_get_fw(hdev, &ver); |
1798 | if (!fw) | |
213445b2 | 1799 | goto complete; |
dffd30ee THJA |
1800 | fw_ptr = fw->data; |
1801 | ||
28dc4b92 | 1802 | /* Enable the manufacturer mode of the controller. |
dffd30ee THJA |
1803 | * Only while this mode is enabled, the driver can download the |
1804 | * firmware patch data and configuration parameters. | |
1805 | */ | |
28dc4b92 LP |
1806 | err = btintel_enter_mfg(hdev); |
1807 | if (err) { | |
dffd30ee | 1808 | release_firmware(fw); |
28dc4b92 | 1809 | return err; |
dffd30ee THJA |
1810 | } |
1811 | ||
dffd30ee THJA |
1812 | disable_patch = 1; |
1813 | ||
1814 | /* The firmware data file consists of list of Intel specific HCI | |
1815 | * commands and its expected events. The first byte indicates the | |
1816 | * type of the message, either HCI command or HCI event. | |
1817 | * | |
1818 | * It reads the command and its expected event from the firmware file, | |
1819 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1820 | * the returned event is compared with the event read from the firmware | |
1821 | * file and it will continue until all the messages are downloaded to | |
1822 | * the controller. | |
1823 | * | |
1824 | * Once the firmware patching is completed successfully, | |
1825 | * the manufacturer mode is disabled with reset and activating the | |
1826 | * downloaded patch. | |
1827 | * | |
1828 | * If the firmware patching fails, the manufacturer mode is | |
1829 | * disabled with reset and deactivating the patch. | |
1830 | * | |
1831 | * If the default patch file is used, no reset is done when disabling | |
1832 | * the manufacturer. | |
1833 | */ | |
1834 | while (fw->size > fw_ptr - fw->data) { | |
1835 | int ret; | |
1836 | ||
1837 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1838 | &disable_patch); | |
1839 | if (ret < 0) | |
1840 | goto exit_mfg_deactivate; | |
1841 | } | |
1842 | ||
1843 | release_firmware(fw); | |
1844 | ||
1845 | if (disable_patch) | |
1846 | goto exit_mfg_disable; | |
1847 | ||
1848 | /* Patching completed successfully and disable the manufacturer mode | |
1849 | * with reset and activate the downloaded firmware patches. | |
1850 | */ | |
28dc4b92 LP |
1851 | err = btintel_exit_mfg(hdev, true, true); |
1852 | if (err) | |
1853 | return err; | |
dffd30ee | 1854 | |
2064ee33 | 1855 | bt_dev_info(hdev, "Intel firmware patch completed and activated"); |
dffd30ee | 1856 | |
213445b2 | 1857 | goto complete; |
dffd30ee THJA |
1858 | |
1859 | exit_mfg_disable: | |
1860 | /* Disable the manufacturer mode without reset */ | |
28dc4b92 LP |
1861 | err = btintel_exit_mfg(hdev, false, false); |
1862 | if (err) | |
1863 | return err; | |
dffd30ee | 1864 | |
2064ee33 | 1865 | bt_dev_info(hdev, "Intel firmware patch completed"); |
40cb0984 | 1866 | |
213445b2 | 1867 | goto complete; |
dffd30ee THJA |
1868 | |
1869 | exit_mfg_deactivate: | |
1870 | release_firmware(fw); | |
1871 | ||
1872 | /* Patching failed. Disable the manufacturer mode with reset and | |
1873 | * deactivate the downloaded firmware patches. | |
1874 | */ | |
28dc4b92 LP |
1875 | err = btintel_exit_mfg(hdev, true, false); |
1876 | if (err) | |
1877 | return err; | |
dffd30ee | 1878 | |
2064ee33 | 1879 | bt_dev_info(hdev, "Intel firmware patch completed and deactivated"); |
dffd30ee | 1880 | |
213445b2 MH |
1881 | complete: |
1882 | /* Set the event mask for Intel specific vendor events. This enables | |
1883 | * a few extra events that are useful during general operation. | |
1884 | */ | |
1885 | btintel_set_event_mask_mfg(hdev, false); | |
1886 | ||
4185a0f5 | 1887 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1888 | return 0; |
1889 | } | |
1890 | ||
cda0dd78 MH |
1891 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
1892 | { | |
1893 | struct sk_buff *skb; | |
1894 | struct hci_event_hdr *hdr; | |
1895 | struct hci_ev_cmd_complete *evt; | |
1896 | ||
cf07e341 | 1897 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); |
cda0dd78 MH |
1898 | if (!skb) |
1899 | return -ENOMEM; | |
1900 | ||
4df864c1 | 1901 | hdr = skb_put(skb, sizeof(*hdr)); |
cda0dd78 MH |
1902 | hdr->evt = HCI_EV_CMD_COMPLETE; |
1903 | hdr->plen = sizeof(*evt) + 1; | |
1904 | ||
4df864c1 | 1905 | evt = skb_put(skb, sizeof(*evt)); |
cda0dd78 MH |
1906 | evt->ncmd = 0x01; |
1907 | evt->opcode = cpu_to_le16(opcode); | |
1908 | ||
634fef61 | 1909 | skb_put_u8(skb, 0x00); |
cda0dd78 | 1910 | |
618e8bc2 | 1911 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
cda0dd78 MH |
1912 | |
1913 | return hci_recv_frame(hdev, skb); | |
1914 | } | |
1915 | ||
1916 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
1917 | int count) | |
1918 | { | |
1919 | /* When the device is in bootloader mode, then it can send | |
1920 | * events via the bulk endpoint. These events are treated the | |
1921 | * same way as the ones received from the interrupt endpoint. | |
1922 | */ | |
1923 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) | |
1924 | return btusb_recv_intr(data, buffer, count); | |
1925 | ||
1926 | return btusb_recv_bulk(data, buffer, count); | |
1927 | } | |
1928 | ||
ccd6da2a MH |
1929 | static void btusb_intel_bootup(struct btusb_data *data, const void *ptr, |
1930 | unsigned int len) | |
1931 | { | |
1932 | const struct intel_bootup *evt = ptr; | |
1933 | ||
1934 | if (len != sizeof(*evt)) | |
1935 | return; | |
1936 | ||
1937 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) { | |
1938 | smp_mb__after_atomic(); | |
1939 | wake_up_bit(&data->flags, BTUSB_BOOTING); | |
1940 | } | |
1941 | } | |
1942 | ||
1943 | static void btusb_intel_secure_send_result(struct btusb_data *data, | |
1944 | const void *ptr, unsigned int len) | |
1945 | { | |
1946 | const struct intel_secure_send_result *evt = ptr; | |
1947 | ||
1948 | if (len != sizeof(*evt)) | |
1949 | return; | |
1950 | ||
1951 | if (evt->result) | |
1952 | set_bit(BTUSB_FIRMWARE_FAILED, &data->flags); | |
1953 | ||
1954 | if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) && | |
1955 | test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) { | |
1956 | smp_mb__after_atomic(); | |
1957 | wake_up_bit(&data->flags, BTUSB_DOWNLOADING); | |
1958 | } | |
1959 | } | |
1960 | ||
cda0dd78 MH |
1961 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) |
1962 | { | |
1963 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1964 | ||
1965 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1966 | struct hci_event_hdr *hdr = (void *)skb->data; | |
1967 | ||
ccd6da2a MH |
1968 | if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff && |
1969 | hdr->plen > 0) { | |
1970 | const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1; | |
1971 | unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1; | |
1972 | ||
1973 | switch (skb->data[2]) { | |
1974 | case 0x02: | |
1975 | /* When switching to the operational firmware | |
1976 | * the device sends a vendor specific event | |
1977 | * indicating that the bootup completed. | |
1978 | */ | |
1979 | btusb_intel_bootup(data, ptr, len); | |
1980 | break; | |
1981 | case 0x06: | |
1982 | /* When the firmware loading completes the | |
1983 | * device sends out a vendor specific event | |
1984 | * indicating the result of the firmware | |
1985 | * loading. | |
1986 | */ | |
1987 | btusb_intel_secure_send_result(data, ptr, len); | |
1988 | break; | |
fad70972 | 1989 | } |
cda0dd78 MH |
1990 | } |
1991 | } | |
1992 | ||
1993 | return hci_recv_frame(hdev, skb); | |
1994 | } | |
1995 | ||
1996 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
1997 | { | |
1998 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1999 | struct urb *urb; | |
2000 | ||
2001 | BT_DBG("%s", hdev->name); | |
2002 | ||
618e8bc2 | 2003 | switch (hci_skb_pkt_type(skb)) { |
cda0dd78 MH |
2004 | case HCI_COMMAND_PKT: |
2005 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
2006 | struct hci_command_hdr *cmd = (void *)skb->data; | |
2007 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
2008 | ||
2009 | /* When in bootloader mode and the command 0xfc09 | |
2010 | * is received, it needs to be send down the | |
2011 | * bulk endpoint. So allocate a bulk URB instead. | |
2012 | */ | |
2013 | if (opcode == 0xfc09) | |
2014 | urb = alloc_bulk_urb(hdev, skb); | |
2015 | else | |
2016 | urb = alloc_ctrl_urb(hdev, skb); | |
2017 | ||
2018 | /* When the 0xfc01 command is issued to boot into | |
2019 | * the operational firmware, it will actually not | |
2020 | * send a command complete event. To keep the flow | |
2021 | * control working inject that event here. | |
2022 | */ | |
2023 | if (opcode == 0xfc01) | |
2024 | inject_cmd_complete(hdev, opcode); | |
2025 | } else { | |
2026 | urb = alloc_ctrl_urb(hdev, skb); | |
2027 | } | |
2028 | if (IS_ERR(urb)) | |
2029 | return PTR_ERR(urb); | |
2030 | ||
2031 | hdev->stat.cmd_tx++; | |
2032 | return submit_or_queue_tx_urb(hdev, urb); | |
2033 | ||
2034 | case HCI_ACLDATA_PKT: | |
2035 | urb = alloc_bulk_urb(hdev, skb); | |
2036 | if (IS_ERR(urb)) | |
2037 | return PTR_ERR(urb); | |
2038 | ||
2039 | hdev->stat.acl_tx++; | |
2040 | return submit_or_queue_tx_urb(hdev, urb); | |
2041 | ||
2042 | case HCI_SCODATA_PKT: | |
2043 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
2044 | return -ENODEV; | |
2045 | ||
2046 | urb = alloc_isoc_urb(hdev, skb); | |
2047 | if (IS_ERR(urb)) | |
2048 | return PTR_ERR(urb); | |
2049 | ||
2050 | hdev->stat.sco_tx++; | |
2051 | return submit_tx_urb(hdev, urb); | |
2052 | } | |
2053 | ||
2054 | return -EILSEQ; | |
2055 | } | |
2056 | ||
cda0dd78 MH |
2057 | static int btusb_setup_intel_new(struct hci_dev *hdev) |
2058 | { | |
cda0dd78 | 2059 | struct btusb_data *data = hci_get_drvdata(hdev); |
6c483de1 | 2060 | struct intel_version ver; |
faf174d2 | 2061 | struct intel_boot_params params; |
cda0dd78 | 2062 | const struct firmware *fw; |
e5889af6 | 2063 | u32 boot_param; |
cda0dd78 MH |
2064 | char fwname[64]; |
2065 | ktime_t calltime, delta, rettime; | |
2066 | unsigned long long duration; | |
2067 | int err; | |
2068 | ||
2069 | BT_DBG("%s", hdev->name); | |
2070 | ||
04d729b8 THJA |
2071 | /* Set the default boot parameter to 0x0 and it is updated to |
2072 | * SKU specific boot parameter after reading Intel_Write_Boot_Params | |
2073 | * command while downloading the firmware. | |
2074 | */ | |
2075 | boot_param = 0x00000000; | |
e5889af6 | 2076 | |
cda0dd78 MH |
2077 | calltime = ktime_get(); |
2078 | ||
2079 | /* Read the Intel version information to determine if the device | |
2080 | * is in bootloader mode or if it already has operational firmware | |
2081 | * loaded. | |
2082 | */ | |
6c483de1 LP |
2083 | err = btintel_read_version(hdev, &ver); |
2084 | if (err) | |
2085 | return err; | |
cda0dd78 MH |
2086 | |
2087 | /* The hardware platform number has a fixed value of 0x37 and | |
2088 | * for now only accept this single value. | |
2089 | */ | |
6c483de1 | 2090 | if (ver.hw_platform != 0x37) { |
85418fef MH |
2091 | bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)", |
2092 | ver.hw_platform); | |
cda0dd78 MH |
2093 | return -EINVAL; |
2094 | } | |
2095 | ||
9268834b THJA |
2096 | /* Check for supported iBT hardware variants of this firmware |
2097 | * loading method. | |
a0af53b5 THJA |
2098 | * |
2099 | * This check has been put in place to ensure correct forward | |
2100 | * compatibility options when newer hardware variants come along. | |
cda0dd78 | 2101 | */ |
9268834b THJA |
2102 | switch (ver.hw_variant) { |
2103 | case 0x0b: /* SfP */ | |
2104 | case 0x0c: /* WsP */ | |
86a6129a | 2105 | case 0x11: /* JfP */ |
de766142 | 2106 | case 0x12: /* ThP */ |
1ce0cec1 THJA |
2107 | case 0x13: /* HrP */ |
2108 | case 0x14: /* QnJ, IcP */ | |
9268834b THJA |
2109 | break; |
2110 | default: | |
85418fef MH |
2111 | bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)", |
2112 | ver.hw_variant); | |
cda0dd78 MH |
2113 | return -EINVAL; |
2114 | } | |
2115 | ||
6c483de1 | 2116 | btintel_version_info(hdev, &ver); |
cda0dd78 MH |
2117 | |
2118 | /* The firmware variant determines if the device is in bootloader | |
2119 | * mode or is running operational firmware. The value 0x06 identifies | |
2120 | * the bootloader and the value 0x23 identifies the operational | |
2121 | * firmware. | |
2122 | * | |
2123 | * When the operational firmware is already present, then only | |
2124 | * the check for valid Bluetooth device address is needed. This | |
2125 | * determines if the device will be added as configured or | |
2126 | * unconfigured controller. | |
2127 | * | |
2128 | * It is not possible to use the Secure Boot Parameters in this | |
2129 | * case since that command is only available in bootloader mode. | |
2130 | */ | |
6c483de1 | 2131 | if (ver.fw_variant == 0x23) { |
cda0dd78 | 2132 | clear_bit(BTUSB_BOOTLOADER, &data->flags); |
4185a0f5 | 2133 | btintel_check_bdaddr(hdev); |
cda0dd78 MH |
2134 | return 0; |
2135 | } | |
2136 | ||
2137 | /* If the device is not in bootloader mode, then the only possible | |
2138 | * choice is to return an error and abort the device initialization. | |
2139 | */ | |
6c483de1 | 2140 | if (ver.fw_variant != 0x06) { |
85418fef MH |
2141 | bt_dev_err(hdev, "Unsupported Intel firmware variant (%u)", |
2142 | ver.fw_variant); | |
cda0dd78 MH |
2143 | return -ENODEV; |
2144 | } | |
2145 | ||
cda0dd78 MH |
2146 | /* Read the secure boot parameters to identify the operating |
2147 | * details of the bootloader. | |
2148 | */ | |
faf174d2 THJA |
2149 | err = btintel_read_boot_params(hdev, ¶ms); |
2150 | if (err) | |
2151 | return err; | |
cda0dd78 MH |
2152 | |
2153 | /* It is required that every single firmware fragment is acknowledged | |
2154 | * with a command complete event. If the boot parameters indicate | |
2155 | * that this bootloader does not send them, then abort the setup. | |
2156 | */ | |
faf174d2 | 2157 | if (params.limited_cce != 0x00) { |
85418fef MH |
2158 | bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)", |
2159 | params.limited_cce); | |
cda0dd78 MH |
2160 | return -EINVAL; |
2161 | } | |
2162 | ||
2163 | /* If the OTP has no valid Bluetooth device address, then there will | |
2164 | * also be no valid address for the operational firmware. | |
2165 | */ | |
faf174d2 | 2166 | if (!bacmp(¶ms.otp_bdaddr, BDADDR_ANY)) { |
2064ee33 | 2167 | bt_dev_info(hdev, "No device address configured"); |
cda0dd78 MH |
2168 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
2169 | } | |
2170 | ||
2171 | /* With this Intel bootloader only the hardware variant and device | |
af3715e5 J |
2172 | * revision information are used to select the right firmware for SfP |
2173 | * and WsP. | |
cda0dd78 | 2174 | * |
230b04ac THJA |
2175 | * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi. |
2176 | * | |
2177 | * Currently the supported hardware variants are: | |
2178 | * 11 (0x0b) for iBT3.0 (LnP/SfP) | |
2179 | * 12 (0x0c) for iBT3.5 (WsP) | |
af3715e5 J |
2180 | * |
2181 | * For ThP/JfP and for future SKU's, the FW name varies based on HW | |
2182 | * variant, HW revision and FW revision, as these are dependent on CNVi | |
2183 | * and RF Combination. | |
2184 | * | |
86a6129a THJA |
2185 | * 17 (0x11) for iBT3.5 (JfP) |
2186 | * 18 (0x12) for iBT3.5 (ThP) | |
af3715e5 J |
2187 | * |
2188 | * The firmware file name for these will be | |
2189 | * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi. | |
2190 | * | |
cda0dd78 | 2191 | */ |
af3715e5 J |
2192 | switch (ver.hw_variant) { |
2193 | case 0x0b: /* SfP */ | |
2194 | case 0x0c: /* WsP */ | |
2195 | snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.sfi", | |
2196 | le16_to_cpu(ver.hw_variant), | |
faf174d2 | 2197 | le16_to_cpu(params.dev_revid)); |
af3715e5 J |
2198 | break; |
2199 | case 0x11: /* JfP */ | |
2200 | case 0x12: /* ThP */ | |
1ce0cec1 THJA |
2201 | case 0x13: /* HrP */ |
2202 | case 0x14: /* QnJ, IcP */ | |
af3715e5 J |
2203 | snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u-%u.sfi", |
2204 | le16_to_cpu(ver.hw_variant), | |
2205 | le16_to_cpu(ver.hw_revision), | |
2206 | le16_to_cpu(ver.fw_revision)); | |
2207 | break; | |
2208 | default: | |
85418fef | 2209 | bt_dev_err(hdev, "Unsupported Intel firmware naming"); |
af3715e5 J |
2210 | return -EINVAL; |
2211 | } | |
cda0dd78 MH |
2212 | |
2213 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2214 | if (err < 0) { | |
85418fef | 2215 | bt_dev_err(hdev, "Failed to load Intel firmware file (%d)", err); |
cda0dd78 MH |
2216 | return err; |
2217 | } | |
2218 | ||
2064ee33 | 2219 | bt_dev_info(hdev, "Found device firmware: %s", fwname); |
cda0dd78 | 2220 | |
52cc9168 THJA |
2221 | /* Save the DDC file name for later use to apply once the firmware |
2222 | * downloading is done. | |
2223 | */ | |
af3715e5 J |
2224 | switch (ver.hw_variant) { |
2225 | case 0x0b: /* SfP */ | |
2226 | case 0x0c: /* WsP */ | |
2227 | snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u.ddc", | |
2228 | le16_to_cpu(ver.hw_variant), | |
faf174d2 | 2229 | le16_to_cpu(params.dev_revid)); |
af3715e5 J |
2230 | break; |
2231 | case 0x11: /* JfP */ | |
2232 | case 0x12: /* ThP */ | |
1ce0cec1 THJA |
2233 | case 0x13: /* HrP */ |
2234 | case 0x14: /* QnJ, IcP */ | |
af3715e5 J |
2235 | snprintf(fwname, sizeof(fwname), "intel/ibt-%u-%u-%u.ddc", |
2236 | le16_to_cpu(ver.hw_variant), | |
2237 | le16_to_cpu(ver.hw_revision), | |
2238 | le16_to_cpu(ver.fw_revision)); | |
2239 | break; | |
2240 | default: | |
85418fef | 2241 | bt_dev_err(hdev, "Unsupported Intel firmware naming"); |
af3715e5 J |
2242 | return -EINVAL; |
2243 | } | |
52cc9168 | 2244 | |
cda0dd78 | 2245 | if (fw->size < 644) { |
85418fef MH |
2246 | bt_dev_err(hdev, "Invalid size of firmware file (%zu)", |
2247 | fw->size); | |
cda0dd78 MH |
2248 | err = -EBADF; |
2249 | goto done; | |
2250 | } | |
2251 | ||
2252 | set_bit(BTUSB_DOWNLOADING, &data->flags); | |
2253 | ||
fbbe83c5 THJA |
2254 | /* Start firmware downloading and get boot parameter */ |
2255 | err = btintel_download_firmware(hdev, fw, &boot_param); | |
2256 | if (err < 0) | |
cda0dd78 | 2257 | goto done; |
cda0dd78 | 2258 | |
ce6bb929 MH |
2259 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); |
2260 | ||
2064ee33 | 2261 | bt_dev_info(hdev, "Waiting for firmware download to complete"); |
a087a98e | 2262 | |
cda0dd78 MH |
2263 | /* Before switching the device into operational mode and with that |
2264 | * booting the loaded firmware, wait for the bootloader notification | |
2265 | * that all fragments have been successfully received. | |
2266 | * | |
a087a98e JH |
2267 | * When the event processing receives the notification, then the |
2268 | * BTUSB_DOWNLOADING flag will be cleared. | |
2269 | * | |
2270 | * The firmware loading should not take longer than 5 seconds | |
2271 | * and thus just timeout if that happens and fail the setup | |
2272 | * of this device. | |
cda0dd78 | 2273 | */ |
129a7693 JH |
2274 | err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, |
2275 | TASK_INTERRUPTIBLE, | |
2276 | msecs_to_jiffies(5000)); | |
f0a70a04 | 2277 | if (err == -EINTR) { |
85418fef | 2278 | bt_dev_err(hdev, "Firmware loading interrupted"); |
a087a98e JH |
2279 | goto done; |
2280 | } | |
cda0dd78 | 2281 | |
a087a98e | 2282 | if (err) { |
85418fef | 2283 | bt_dev_err(hdev, "Firmware loading timeout"); |
a087a98e JH |
2284 | err = -ETIMEDOUT; |
2285 | goto done; | |
cda0dd78 MH |
2286 | } |
2287 | ||
2288 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { | |
85418fef | 2289 | bt_dev_err(hdev, "Firmware loading failed"); |
cda0dd78 MH |
2290 | err = -ENOEXEC; |
2291 | goto done; | |
2292 | } | |
2293 | ||
2294 | rettime = ktime_get(); | |
2295 | delta = ktime_sub(rettime, calltime); | |
2296 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2297 | ||
2064ee33 | 2298 | bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration); |
cda0dd78 MH |
2299 | |
2300 | done: | |
2301 | release_firmware(fw); | |
2302 | ||
2303 | if (err < 0) | |
2304 | return err; | |
2305 | ||
2306 | calltime = ktime_get(); | |
2307 | ||
2308 | set_bit(BTUSB_BOOTING, &data->flags); | |
2309 | ||
e5889af6 THJA |
2310 | err = btintel_send_intel_reset(hdev, boot_param); |
2311 | if (err) | |
2312 | return err; | |
cda0dd78 MH |
2313 | |
2314 | /* The bootloader will not indicate when the device is ready. This | |
2315 | * is done by the operational firmware sending bootup notification. | |
fad70972 JH |
2316 | * |
2317 | * Booting into operational firmware should not take longer than | |
2318 | * 1 second. However if that happens, then just fail the setup | |
2319 | * since something went wrong. | |
cda0dd78 | 2320 | */ |
2064ee33 | 2321 | bt_dev_info(hdev, "Waiting for device to boot"); |
cda0dd78 | 2322 | |
129a7693 JH |
2323 | err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, |
2324 | TASK_INTERRUPTIBLE, | |
2325 | msecs_to_jiffies(1000)); | |
cda0dd78 | 2326 | |
f0a70a04 | 2327 | if (err == -EINTR) { |
85418fef | 2328 | bt_dev_err(hdev, "Device boot interrupted"); |
fad70972 JH |
2329 | return -EINTR; |
2330 | } | |
cda0dd78 | 2331 | |
fad70972 | 2332 | if (err) { |
85418fef | 2333 | bt_dev_err(hdev, "Device boot timeout"); |
fad70972 | 2334 | return -ETIMEDOUT; |
cda0dd78 MH |
2335 | } |
2336 | ||
2337 | rettime = ktime_get(); | |
2338 | delta = ktime_sub(rettime, calltime); | |
2339 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2340 | ||
2064ee33 | 2341 | bt_dev_info(hdev, "Device booted in %llu usecs", duration); |
cda0dd78 MH |
2342 | |
2343 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2344 | ||
52cc9168 THJA |
2345 | /* Once the device is running in operational mode, it needs to apply |
2346 | * the device configuration (DDC) parameters. | |
2347 | * | |
2348 | * The device can work without DDC parameters, so even if it fails | |
2349 | * to load the file, no need to fail the setup. | |
2350 | */ | |
e924d3d6 | 2351 | btintel_load_ddc_config(hdev, fwname); |
52cc9168 | 2352 | |
213445b2 MH |
2353 | /* Set the event mask for Intel specific vendor events. This enables |
2354 | * a few extra events that are useful during general operation. It | |
2355 | * does not enable any debugging related events. | |
2356 | * | |
2357 | * The device will function correctly without these events enabled | |
2358 | * and thus no need to fail the setup. | |
2359 | */ | |
2360 | btintel_set_event_mask(hdev, false); | |
2361 | ||
cda0dd78 MH |
2362 | return 0; |
2363 | } | |
2364 | ||
bfbd45e9 THJA |
2365 | static int btusb_shutdown_intel(struct hci_dev *hdev) |
2366 | { | |
2367 | struct sk_buff *skb; | |
2368 | long ret; | |
2369 | ||
1313bccf AB |
2370 | /* In the shutdown sequence where Bluetooth is turned off followed |
2371 | * by WiFi being turned off, turning WiFi back on causes issue with | |
2372 | * the RF calibration. | |
2373 | * | |
2374 | * To ensure that any RF activity has been stopped, issue HCI Reset | |
2375 | * command to clear all ongoing activity including advertising, | |
2376 | * scanning etc. | |
2377 | */ | |
2378 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2379 | if (IS_ERR(skb)) { | |
2380 | ret = PTR_ERR(skb); | |
2381 | bt_dev_err(hdev, "HCI reset during shutdown failed"); | |
2382 | return ret; | |
2383 | } | |
2384 | kfree_skb(skb); | |
2385 | ||
bfbd45e9 THJA |
2386 | /* Some platforms have an issue with BT LED when the interface is |
2387 | * down or BT radio is turned off, which takes 5 seconds to BT LED | |
2388 | * goes off. This command turns off the BT LED immediately. | |
2389 | */ | |
2390 | skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); | |
2391 | if (IS_ERR(skb)) { | |
2392 | ret = PTR_ERR(skb); | |
85418fef | 2393 | bt_dev_err(hdev, "turning off Intel device LED failed"); |
bfbd45e9 THJA |
2394 | return ret; |
2395 | } | |
2396 | kfree_skb(skb); | |
2397 | ||
2398 | return 0; | |
2399 | } | |
2400 | ||
a4ccc9e3 RJ |
2401 | #ifdef CONFIG_PM |
2402 | /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ | |
2403 | static int marvell_config_oob_wake(struct hci_dev *hdev) | |
2404 | { | |
2405 | struct sk_buff *skb; | |
2406 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2407 | struct device *dev = &data->udev->dev; | |
2408 | u16 pin, gap, opcode; | |
2409 | int ret; | |
2410 | u8 cmd[5]; | |
2411 | ||
2412 | /* Move on if no wakeup pin specified */ | |
2413 | if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) || | |
2414 | of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap)) | |
2415 | return 0; | |
2416 | ||
2417 | /* Vendor specific command to configure a GPIO as wake-up pin */ | |
2418 | opcode = hci_opcode_pack(0x3F, 0x59); | |
2419 | cmd[0] = opcode & 0xFF; | |
2420 | cmd[1] = opcode >> 8; | |
2421 | cmd[2] = 2; /* length of parameters that follow */ | |
2422 | cmd[3] = pin; | |
2423 | cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ | |
2424 | ||
2425 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
2426 | if (!skb) { | |
2427 | bt_dev_err(hdev, "%s: No memory\n", __func__); | |
2428 | return -ENOMEM; | |
2429 | } | |
2430 | ||
59ae1d12 | 2431 | skb_put_data(skb, cmd, sizeof(cmd)); |
a4ccc9e3 RJ |
2432 | hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; |
2433 | ||
2434 | ret = btusb_send_frame(hdev, skb); | |
2435 | if (ret) { | |
2436 | bt_dev_err(hdev, "%s: configuration failed\n", __func__); | |
2437 | kfree_skb(skb); | |
2438 | return ret; | |
2439 | } | |
2440 | ||
2441 | return 0; | |
2442 | } | |
2443 | #endif | |
2444 | ||
ae8df494 AK |
2445 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
2446 | const bdaddr_t *bdaddr) | |
2447 | { | |
2448 | struct sk_buff *skb; | |
2449 | u8 buf[8]; | |
2450 | long ret; | |
2451 | ||
2452 | buf[0] = 0xfe; | |
2453 | buf[1] = sizeof(bdaddr_t); | |
2454 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
2455 | ||
2456 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2457 | if (IS_ERR(skb)) { | |
2458 | ret = PTR_ERR(skb); | |
2064ee33 MH |
2459 | bt_dev_err(hdev, "changing Marvell device address failed (%ld)", |
2460 | ret); | |
ae8df494 AK |
2461 | return ret; |
2462 | } | |
2463 | kfree_skb(skb); | |
2464 | ||
2465 | return 0; | |
2466 | } | |
2467 | ||
5859223e TK |
2468 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
2469 | const bdaddr_t *bdaddr) | |
2470 | { | |
2471 | struct sk_buff *skb; | |
2472 | u8 buf[10]; | |
2473 | long ret; | |
2474 | ||
2475 | buf[0] = 0x01; | |
2476 | buf[1] = 0x01; | |
2477 | buf[2] = 0x00; | |
2478 | buf[3] = sizeof(bdaddr_t); | |
2479 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
2480 | ||
2481 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
2482 | if (IS_ERR(skb)) { | |
2483 | ret = PTR_ERR(skb); | |
2064ee33 | 2484 | bt_dev_err(hdev, "Change address command failed (%ld)", ret); |
5859223e TK |
2485 | return ret; |
2486 | } | |
2487 | kfree_skb(skb); | |
2488 | ||
2489 | return 0; | |
2490 | } | |
2491 | ||
3267c884 KBYT |
2492 | #define QCA_DFU_PACKET_LEN 4096 |
2493 | ||
2494 | #define QCA_GET_TARGET_VERSION 0x09 | |
2495 | #define QCA_CHECK_STATUS 0x05 | |
2496 | #define QCA_DFU_DOWNLOAD 0x01 | |
2497 | ||
2498 | #define QCA_SYSCFG_UPDATED 0x40 | |
2499 | #define QCA_PATCH_UPDATED 0x80 | |
2500 | #define QCA_DFU_TIMEOUT 3000 | |
2501 | ||
2502 | struct qca_version { | |
2503 | __le32 rom_version; | |
2504 | __le32 patch_version; | |
2505 | __le32 ram_version; | |
2506 | __le32 ref_clock; | |
2507 | __u8 reserved[4]; | |
2508 | } __packed; | |
2509 | ||
2510 | struct qca_rampatch_version { | |
2511 | __le16 rom_version; | |
2512 | __le16 patch_version; | |
2513 | } __packed; | |
2514 | ||
2515 | struct qca_device_info { | |
bf906b3d KBYT |
2516 | u32 rom_version; |
2517 | u8 rampatch_hdr; /* length of header in rampatch */ | |
2518 | u8 nvm_hdr; /* length of header in NVM */ | |
2519 | u8 ver_offset; /* offset of version structure in rampatch */ | |
3267c884 KBYT |
2520 | }; |
2521 | ||
2522 | static const struct qca_device_info qca_devices_table[] = { | |
2523 | { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ | |
2524 | { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ | |
7f6e6363 | 2525 | { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ |
3267c884 KBYT |
2526 | { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ |
2527 | { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ | |
2528 | { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ | |
2529 | }; | |
2530 | ||
803cdb8c | 2531 | static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, |
3267c884 KBYT |
2532 | void *data, u16 size) |
2533 | { | |
3267c884 KBYT |
2534 | int pipe, err; |
2535 | u8 *buf; | |
2536 | ||
2537 | buf = kmalloc(size, GFP_KERNEL); | |
2538 | if (!buf) | |
2539 | return -ENOMEM; | |
2540 | ||
2541 | /* Found some of USB hosts have IOT issues with ours so that we should | |
2542 | * not wait until HCI layer is ready. | |
2543 | */ | |
2544 | pipe = usb_rcvctrlpipe(udev, 0); | |
2545 | err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, | |
2546 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2547 | if (err < 0) { | |
803cdb8c | 2548 | dev_err(&udev->dev, "Failed to access otp area (%d)", err); |
3267c884 KBYT |
2549 | goto done; |
2550 | } | |
2551 | ||
2552 | memcpy(data, buf, size); | |
2553 | ||
2554 | done: | |
2555 | kfree(buf); | |
2556 | ||
2557 | return err; | |
2558 | } | |
2559 | ||
2560 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, | |
2561 | const struct firmware *firmware, | |
2562 | size_t hdr_size) | |
2563 | { | |
2564 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
2565 | struct usb_device *udev = btdata->udev; | |
2566 | size_t count, size, sent = 0; | |
2567 | int pipe, len, err; | |
2568 | u8 *buf; | |
2569 | ||
2570 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); | |
2571 | if (!buf) | |
2572 | return -ENOMEM; | |
2573 | ||
2574 | count = firmware->size; | |
2575 | ||
2576 | size = min_t(size_t, count, hdr_size); | |
2577 | memcpy(buf, firmware->data, size); | |
2578 | ||
2579 | /* USB patches should go down to controller through USB path | |
2580 | * because binary format fits to go down through USB channel. | |
2581 | * USB control path is for patching headers and USB bulk is for | |
2582 | * patch body. | |
2583 | */ | |
2584 | pipe = usb_sndctrlpipe(udev, 0); | |
2585 | err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, | |
2586 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
2587 | if (err < 0) { | |
2064ee33 | 2588 | bt_dev_err(hdev, "Failed to send headers (%d)", err); |
3267c884 KBYT |
2589 | goto done; |
2590 | } | |
2591 | ||
2592 | sent += size; | |
2593 | count -= size; | |
2594 | ||
2595 | while (count) { | |
2596 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); | |
2597 | ||
2598 | memcpy(buf, firmware->data + sent, size); | |
2599 | ||
2600 | pipe = usb_sndbulkpipe(udev, 0x02); | |
2601 | err = usb_bulk_msg(udev, pipe, buf, size, &len, | |
2602 | QCA_DFU_TIMEOUT); | |
2603 | if (err < 0) { | |
2064ee33 MH |
2604 | bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)", |
2605 | sent, firmware->size, err); | |
3267c884 KBYT |
2606 | break; |
2607 | } | |
2608 | ||
2609 | if (size != len) { | |
2064ee33 | 2610 | bt_dev_err(hdev, "Failed to get bulk buffer"); |
3267c884 KBYT |
2611 | err = -EILSEQ; |
2612 | break; | |
2613 | } | |
2614 | ||
2615 | sent += size; | |
2616 | count -= size; | |
2617 | } | |
2618 | ||
2619 | done: | |
2620 | kfree(buf); | |
2621 | return err; | |
2622 | } | |
2623 | ||
2624 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, | |
2625 | struct qca_version *ver, | |
2626 | const struct qca_device_info *info) | |
2627 | { | |
2628 | struct qca_rampatch_version *rver; | |
2629 | const struct firmware *fw; | |
bf906b3d KBYT |
2630 | u32 ver_rom, ver_patch; |
2631 | u16 rver_rom, rver_patch; | |
3267c884 KBYT |
2632 | char fwname[64]; |
2633 | int err; | |
2634 | ||
bf906b3d KBYT |
2635 | ver_rom = le32_to_cpu(ver->rom_version); |
2636 | ver_patch = le32_to_cpu(ver->patch_version); | |
2637 | ||
2638 | snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); | |
3267c884 KBYT |
2639 | |
2640 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2641 | if (err) { | |
2064ee33 MH |
2642 | bt_dev_err(hdev, "failed to request rampatch file: %s (%d)", |
2643 | fwname, err); | |
3267c884 KBYT |
2644 | return err; |
2645 | } | |
2646 | ||
2064ee33 | 2647 | bt_dev_info(hdev, "using rampatch file: %s", fwname); |
bf906b3d | 2648 | |
3267c884 | 2649 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
bf906b3d KBYT |
2650 | rver_rom = le16_to_cpu(rver->rom_version); |
2651 | rver_patch = le16_to_cpu(rver->patch_version); | |
2652 | ||
2064ee33 MH |
2653 | bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " |
2654 | "firmware rome 0x%x build 0x%x", | |
2655 | rver_rom, rver_patch, ver_rom, ver_patch); | |
3267c884 | 2656 | |
bf906b3d | 2657 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
2064ee33 | 2658 | bt_dev_err(hdev, "rampatch file version did not match with firmware"); |
3267c884 KBYT |
2659 | err = -EINVAL; |
2660 | goto done; | |
2661 | } | |
2662 | ||
2663 | err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); | |
2664 | ||
2665 | done: | |
2666 | release_firmware(fw); | |
2667 | ||
2668 | return err; | |
2669 | } | |
2670 | ||
2671 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, | |
2672 | struct qca_version *ver, | |
2673 | const struct qca_device_info *info) | |
2674 | { | |
2675 | const struct firmware *fw; | |
2676 | char fwname[64]; | |
2677 | int err; | |
2678 | ||
2679 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", | |
2680 | le32_to_cpu(ver->rom_version)); | |
2681 | ||
2682 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2683 | if (err) { | |
2064ee33 MH |
2684 | bt_dev_err(hdev, "failed to request NVM file: %s (%d)", |
2685 | fwname, err); | |
3267c884 KBYT |
2686 | return err; |
2687 | } | |
2688 | ||
2064ee33 | 2689 | bt_dev_info(hdev, "using NVM file: %s", fwname); |
3267c884 KBYT |
2690 | |
2691 | err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); | |
2692 | ||
2693 | release_firmware(fw); | |
2694 | ||
2695 | return err; | |
2696 | } | |
2697 | ||
803cdb8c TI |
2698 | /* identify the ROM version and check whether patches are needed */ |
2699 | static bool btusb_qca_need_patch(struct usb_device *udev) | |
2700 | { | |
2701 | struct qca_version ver; | |
2702 | ||
2703 | if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, | |
2704 | sizeof(ver)) < 0) | |
2705 | return false; | |
2706 | /* only low ROM versions need patches */ | |
2707 | return !(le32_to_cpu(ver.rom_version) & ~0xffffU); | |
2708 | } | |
2709 | ||
3267c884 KBYT |
2710 | static int btusb_setup_qca(struct hci_dev *hdev) |
2711 | { | |
803cdb8c TI |
2712 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
2713 | struct usb_device *udev = btdata->udev; | |
3267c884 KBYT |
2714 | const struct qca_device_info *info = NULL; |
2715 | struct qca_version ver; | |
bf906b3d | 2716 | u32 ver_rom; |
3267c884 KBYT |
2717 | u8 status; |
2718 | int i, err; | |
2719 | ||
803cdb8c | 2720 | err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, |
eb50042f | 2721 | sizeof(ver)); |
3267c884 KBYT |
2722 | if (err < 0) |
2723 | return err; | |
2724 | ||
bf906b3d | 2725 | ver_rom = le32_to_cpu(ver.rom_version); |
803cdb8c TI |
2726 | /* Don't care about high ROM versions */ |
2727 | if (ver_rom & ~0xffffU) | |
2728 | return 0; | |
2729 | ||
3267c884 | 2730 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
bf906b3d | 2731 | if (ver_rom == qca_devices_table[i].rom_version) |
3267c884 KBYT |
2732 | info = &qca_devices_table[i]; |
2733 | } | |
2734 | if (!info) { | |
2064ee33 | 2735 | bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom); |
3267c884 KBYT |
2736 | return -ENODEV; |
2737 | } | |
2738 | ||
803cdb8c | 2739 | err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status, |
3267c884 KBYT |
2740 | sizeof(status)); |
2741 | if (err < 0) | |
2742 | return err; | |
2743 | ||
2744 | if (!(status & QCA_PATCH_UPDATED)) { | |
2745 | err = btusb_setup_qca_load_rampatch(hdev, &ver, info); | |
2746 | if (err < 0) | |
2747 | return err; | |
2748 | } | |
2749 | ||
2750 | if (!(status & QCA_SYSCFG_UPDATED)) { | |
2751 | err = btusb_setup_qca_load_nvm(hdev, &ver, info); | |
2752 | if (err < 0) | |
2753 | return err; | |
2754 | } | |
2755 | ||
2756 | return 0; | |
2757 | } | |
2758 | ||
9d08f504 MH |
2759 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
2760 | static inline int __set_diag_interface(struct hci_dev *hdev) | |
2761 | { | |
2762 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2763 | struct usb_interface *intf = data->diag; | |
2764 | int i; | |
2765 | ||
2766 | if (!data->diag) | |
2767 | return -ENODEV; | |
2768 | ||
2769 | data->diag_tx_ep = NULL; | |
2770 | data->diag_rx_ep = NULL; | |
2771 | ||
2772 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2773 | struct usb_endpoint_descriptor *ep_desc; | |
2774 | ||
2775 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2776 | ||
2777 | if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2778 | data->diag_tx_ep = ep_desc; | |
2779 | continue; | |
2780 | } | |
2781 | ||
2782 | if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2783 | data->diag_rx_ep = ep_desc; | |
2784 | continue; | |
2785 | } | |
2786 | } | |
2787 | ||
2788 | if (!data->diag_tx_ep || !data->diag_rx_ep) { | |
2064ee33 | 2789 | bt_dev_err(hdev, "invalid diagnostic descriptors"); |
9d08f504 MH |
2790 | return -ENODEV; |
2791 | } | |
2792 | ||
2793 | return 0; | |
2794 | } | |
2795 | ||
2796 | static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) | |
2797 | { | |
2798 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2799 | struct sk_buff *skb; | |
2800 | struct urb *urb; | |
2801 | unsigned int pipe; | |
2802 | ||
2803 | if (!data->diag_tx_ep) | |
2804 | return ERR_PTR(-ENODEV); | |
2805 | ||
2806 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
2807 | if (!urb) | |
2808 | return ERR_PTR(-ENOMEM); | |
2809 | ||
2810 | skb = bt_skb_alloc(2, GFP_KERNEL); | |
2811 | if (!skb) { | |
2812 | usb_free_urb(urb); | |
2813 | return ERR_PTR(-ENOMEM); | |
2814 | } | |
2815 | ||
634fef61 JB |
2816 | skb_put_u8(skb, 0xf0); |
2817 | skb_put_u8(skb, enable); | |
9d08f504 MH |
2818 | |
2819 | pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); | |
2820 | ||
2821 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
2822 | skb->data, skb->len, btusb_tx_complete, skb); | |
2823 | ||
2824 | skb->dev = (void *)hdev; | |
2825 | ||
2826 | return urb; | |
2827 | } | |
2828 | ||
2829 | static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) | |
2830 | { | |
2831 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2832 | struct urb *urb; | |
2833 | ||
2834 | if (!data->diag) | |
2835 | return -ENODEV; | |
2836 | ||
2837 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
2838 | return -ENETDOWN; | |
2839 | ||
2840 | urb = alloc_diag_urb(hdev, enable); | |
2841 | if (IS_ERR(urb)) | |
2842 | return PTR_ERR(urb); | |
2843 | ||
2844 | return submit_or_queue_tx_urb(hdev, urb); | |
2845 | } | |
2846 | #endif | |
2847 | ||
fd913ef7 RJ |
2848 | #ifdef CONFIG_PM |
2849 | static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) | |
2850 | { | |
2851 | struct btusb_data *data = priv; | |
2852 | ||
2853 | pm_wakeup_event(&data->udev->dev, 0); | |
017789f3 | 2854 | pm_system_wakeup(); |
fd913ef7 RJ |
2855 | |
2856 | /* Disable only if not already disabled (keep it balanced) */ | |
2857 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
2858 | disable_irq_nosync(irq); | |
2859 | disable_irq_wake(irq); | |
2860 | } | |
2861 | return IRQ_HANDLED; | |
2862 | } | |
2863 | ||
2864 | static const struct of_device_id btusb_match_table[] = { | |
2865 | { .compatible = "usb1286,204e" }, | |
2866 | { } | |
2867 | }; | |
2868 | MODULE_DEVICE_TABLE(of, btusb_match_table); | |
2869 | ||
2870 | /* Use an oob wakeup pin? */ | |
2871 | static int btusb_config_oob_wake(struct hci_dev *hdev) | |
2872 | { | |
2873 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2874 | struct device *dev = &data->udev->dev; | |
2875 | int irq, ret; | |
2876 | ||
2877 | clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
2878 | ||
2879 | if (!of_match_device(btusb_match_table, dev)) | |
2880 | return 0; | |
2881 | ||
2882 | /* Move on if no IRQ specified */ | |
2883 | irq = of_irq_get_byname(dev->of_node, "wakeup"); | |
2884 | if (irq <= 0) { | |
2885 | bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__); | |
2886 | return 0; | |
2887 | } | |
2888 | ||
2889 | ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler, | |
2890 | 0, "OOB Wake-on-BT", data); | |
2891 | if (ret) { | |
2892 | bt_dev_err(hdev, "%s: IRQ request failed", __func__); | |
2893 | return ret; | |
2894 | } | |
2895 | ||
2896 | ret = device_init_wakeup(dev, true); | |
2897 | if (ret) { | |
2898 | bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); | |
2899 | return ret; | |
2900 | } | |
2901 | ||
2902 | data->oob_wake_irq = irq; | |
2903 | disable_irq(irq); | |
2904 | bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); | |
2905 | return 0; | |
2906 | } | |
2907 | #endif | |
2908 | ||
fc549102 HG |
2909 | static void btusb_check_needs_reset_resume(struct usb_interface *intf) |
2910 | { | |
2911 | if (dmi_check_system(btusb_needs_reset_resume_table)) | |
2912 | interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; | |
2913 | } | |
2914 | ||
5e23b923 | 2915 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 2916 | const struct usb_device_id *id) |
5e23b923 MH |
2917 | { |
2918 | struct usb_endpoint_descriptor *ep_desc; | |
2919 | struct btusb_data *data; | |
2920 | struct hci_dev *hdev; | |
22f8e9db | 2921 | unsigned ifnum_base; |
5e23b923 MH |
2922 | int i, err; |
2923 | ||
2924 | BT_DBG("intf %p id %p", intf, id); | |
2925 | ||
cfeb4145 | 2926 | /* interface numbers are hardcoded in the spec */ |
22f8e9db MH |
2927 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) { |
2928 | if (!(id->driver_info & BTUSB_IFNUM_2)) | |
2929 | return -ENODEV; | |
2930 | if (intf->cur_altsetting->desc.bInterfaceNumber != 2) | |
2931 | return -ENODEV; | |
2932 | } | |
2933 | ||
2934 | ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; | |
5e23b923 MH |
2935 | |
2936 | if (!id->driver_info) { | |
2937 | const struct usb_device_id *match; | |
89e7533d | 2938 | |
5e23b923 MH |
2939 | match = usb_match_id(intf, blacklist_table); |
2940 | if (match) | |
2941 | id = match; | |
2942 | } | |
2943 | ||
cfeb4145 MH |
2944 | if (id->driver_info == BTUSB_IGNORE) |
2945 | return -ENODEV; | |
2946 | ||
2d25f8b4 SL |
2947 | if (id->driver_info & BTUSB_ATH3012) { |
2948 | struct usb_device *udev = interface_to_usbdev(intf); | |
2949 | ||
2950 | /* Old firmware would otherwise let ath3k driver load | |
d98422cb DR |
2951 | * patch and sysconfig files |
2952 | */ | |
803cdb8c TI |
2953 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 && |
2954 | !btusb_qca_need_patch(udev)) | |
2d25f8b4 SL |
2955 | return -ENODEV; |
2956 | } | |
2957 | ||
98921dbd | 2958 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
2959 | if (!data) |
2960 | return -ENOMEM; | |
2961 | ||
2962 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2963 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2964 | ||
2965 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
2966 | data->intr_ep = ep_desc; | |
2967 | continue; | |
2968 | } | |
2969 | ||
2970 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2971 | data->bulk_tx_ep = ep_desc; | |
2972 | continue; | |
2973 | } | |
2974 | ||
2975 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2976 | data->bulk_rx_ep = ep_desc; | |
2977 | continue; | |
2978 | } | |
2979 | } | |
2980 | ||
98921dbd | 2981 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 2982 | return -ENODEV; |
5e23b923 | 2983 | |
893ba544 MH |
2984 | if (id->driver_info & BTUSB_AMP) { |
2985 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; | |
2986 | data->cmdreq = 0x2b; | |
2987 | } else { | |
2988 | data->cmdreq_type = USB_TYPE_CLASS; | |
2989 | data->cmdreq = 0x00; | |
2990 | } | |
7a9d4020 | 2991 | |
5e23b923 | 2992 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2993 | data->intf = intf; |
5e23b923 | 2994 | |
5e23b923 | 2995 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2996 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2997 | init_usb_anchor(&data->deferred); |
2998 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2999 | spin_lock_init(&data->txlock); |
5e23b923 | 3000 | |
5e23b923 MH |
3001 | init_usb_anchor(&data->intr_anchor); |
3002 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 3003 | init_usb_anchor(&data->isoc_anchor); |
9d08f504 | 3004 | init_usb_anchor(&data->diag_anchor); |
803b5836 | 3005 | spin_lock_init(&data->rxlock); |
5e23b923 | 3006 | |
cda0dd78 MH |
3007 | if (id->driver_info & BTUSB_INTEL_NEW) { |
3008 | data->recv_event = btusb_recv_event_intel; | |
3009 | data->recv_bulk = btusb_recv_bulk_intel; | |
3010 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
3011 | } else { | |
3012 | data->recv_event = hci_recv_frame; | |
3013 | data->recv_bulk = btusb_recv_bulk; | |
3014 | } | |
2cbd3f5c | 3015 | |
5e23b923 | 3016 | hdev = hci_alloc_dev(); |
98921dbd | 3017 | if (!hdev) |
5e23b923 | 3018 | return -ENOMEM; |
5e23b923 | 3019 | |
c13854ce | 3020 | hdev->bus = HCI_USB; |
155961e8 | 3021 | hci_set_drvdata(hdev, data); |
5e23b923 | 3022 | |
893ba544 MH |
3023 | if (id->driver_info & BTUSB_AMP) |
3024 | hdev->dev_type = HCI_AMP; | |
3025 | else | |
ca8bee5d | 3026 | hdev->dev_type = HCI_PRIMARY; |
893ba544 | 3027 | |
5e23b923 MH |
3028 | data->hdev = hdev; |
3029 | ||
3030 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
3031 | ||
9f8f962c MH |
3032 | hdev->open = btusb_open; |
3033 | hdev->close = btusb_close; | |
3034 | hdev->flush = btusb_flush; | |
3035 | hdev->send = btusb_send_frame; | |
3036 | hdev->notify = btusb_notify; | |
3037 | ||
fd913ef7 RJ |
3038 | #ifdef CONFIG_PM |
3039 | err = btusb_config_oob_wake(hdev); | |
3040 | if (err) | |
3041 | goto out_free_dev; | |
a4ccc9e3 RJ |
3042 | |
3043 | /* Marvell devices may need a specific chip configuration */ | |
3044 | if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { | |
3045 | err = marvell_config_oob_wake(hdev); | |
3046 | if (err) | |
3047 | goto out_free_dev; | |
3048 | } | |
fd913ef7 | 3049 | #endif |
418678b0 SJ |
3050 | if (id->driver_info & BTUSB_CW6622) |
3051 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
3052 | ||
6c9d435d MH |
3053 | if (id->driver_info & BTUSB_BCM2045) |
3054 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
3055 | ||
9f8f962c MH |
3056 | if (id->driver_info & BTUSB_BCM92035) |
3057 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 3058 | |
c2bfb100 | 3059 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
abbaf50e | 3060 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
49a5f782 | 3061 | hdev->manufacturer = 15; |
c2bfb100 | 3062 | hdev->setup = btbcm_setup_patchram; |
9d08f504 | 3063 | hdev->set_diag = btusb_bcm_set_diag; |
1df1f591 | 3064 | hdev->set_bdaddr = btbcm_set_bdaddr; |
9d08f504 MH |
3065 | |
3066 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
22f8e9db | 3067 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); |
abbaf50e | 3068 | } |
10d4c673 | 3069 | |
9d08f504 | 3070 | if (id->driver_info & BTUSB_BCM_APPLE) { |
49a5f782 | 3071 | hdev->manufacturer = 15; |
c2bfb100 | 3072 | hdev->setup = btbcm_setup_apple; |
9d08f504 MH |
3073 | hdev->set_diag = btusb_bcm_set_diag; |
3074 | ||
3075 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
22f8e9db | 3076 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); |
9d08f504 | 3077 | } |
c2bfb100 | 3078 | #endif |
17b2772b | 3079 | |
cb8d6597 | 3080 | if (id->driver_info & BTUSB_INTEL) { |
49a5f782 | 3081 | hdev->manufacturer = 2; |
dffd30ee | 3082 | hdev->setup = btusb_setup_intel; |
bfbd45e9 | 3083 | hdev->shutdown = btusb_shutdown_intel; |
3e24767b | 3084 | hdev->set_diag = btintel_set_diag_mfg; |
4185a0f5 | 3085 | hdev->set_bdaddr = btintel_set_bdaddr; |
c33fb9b4 | 3086 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
c1154842 | 3087 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
3e24767b | 3088 | set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); |
cb8d6597 | 3089 | } |
dffd30ee | 3090 | |
cda0dd78 | 3091 | if (id->driver_info & BTUSB_INTEL_NEW) { |
49a5f782 | 3092 | hdev->manufacturer = 2; |
cda0dd78 MH |
3093 | hdev->send = btusb_send_frame_intel; |
3094 | hdev->setup = btusb_setup_intel_new; | |
eeb6abe9 | 3095 | hdev->hw_error = btintel_hw_error; |
6d2e50d2 | 3096 | hdev->set_diag = btintel_set_diag; |
4185a0f5 | 3097 | hdev->set_bdaddr = btintel_set_bdaddr; |
b970c5ba | 3098 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
d8270fbb | 3099 | set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); |
cda0dd78 MH |
3100 | } |
3101 | ||
ae8df494 AK |
3102 | if (id->driver_info & BTUSB_MARVELL) |
3103 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
3104 | ||
661cf88a MH |
3105 | if (id->driver_info & BTUSB_SWAVE) { |
3106 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
d57dbe77 | 3107 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
661cf88a | 3108 | } |
d57dbe77 | 3109 | |
e4c534bb MH |
3110 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
3111 | hdev->manufacturer = 2; | |
40df783d | 3112 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
e4c534bb | 3113 | } |
40df783d | 3114 | |
79f0c87d | 3115 | if (id->driver_info & BTUSB_ATH3012) { |
803cdb8c | 3116 | data->setup_on_usb = btusb_setup_qca; |
5859223e | 3117 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
3d50d51a | 3118 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
79f0c87d JP |
3119 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
3120 | } | |
5859223e | 3121 | |
3267c884 KBYT |
3122 | if (id->driver_info & BTUSB_QCA_ROME) { |
3123 | data->setup_on_usb = btusb_setup_qca; | |
3124 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
96e58d36 | 3125 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
fc549102 | 3126 | btusb_check_needs_reset_resume(intf); |
3267c884 KBYT |
3127 | } |
3128 | ||
db33c77d | 3129 | #ifdef CONFIG_BT_HCIBTUSB_RTL |
04b8c814 | 3130 | if (id->driver_info & BTUSB_REALTEK) { |
db33c77d | 3131 | hdev->setup = btrtl_setup_realtek; |
04b8c814 DD |
3132 | |
3133 | /* Realtek devices lose their updated firmware over suspend, | |
3134 | * but the USB hub doesn't notice any status change. | |
3135 | * Explicitly request a device reset on resume. | |
3136 | */ | |
61f5acea | 3137 | interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; |
04b8c814 | 3138 | } |
db33c77d | 3139 | #endif |
a2698a9b | 3140 | |
893ba544 MH |
3141 | if (id->driver_info & BTUSB_AMP) { |
3142 | /* AMP controllers do not support SCO packets */ | |
3143 | data->isoc = NULL; | |
3144 | } else { | |
22f8e9db MH |
3145 | /* Interface orders are hardcoded in the specification */ |
3146 | data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1); | |
459232fc | 3147 | data->isoc_ifnum = ifnum_base + 1; |
893ba544 | 3148 | } |
9bfa35fe | 3149 | |
7a9d4020 | 3150 | if (!reset) |
a6c511c6 | 3151 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
3152 | |
3153 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
3154 | if (!disable_scofix) | |
3155 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
3156 | } | |
3157 | ||
9bfa35fe MH |
3158 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
3159 | data->isoc = NULL; | |
3160 | ||
7a9d4020 MH |
3161 | if (id->driver_info & BTUSB_DIGIANSWER) { |
3162 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 3163 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
3164 | } |
3165 | ||
3166 | if (id->driver_info & BTUSB_CSR) { | |
3167 | struct usb_device *udev = data->udev; | |
81cac64b | 3168 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
3169 | |
3170 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 3171 | if (bcdDevice < 0x117) |
a6c511c6 | 3172 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
3173 | |
3174 | /* Fake CSR devices with broken commands */ | |
6cafcd95 | 3175 | if (bcdDevice <= 0x100 || bcdDevice == 0x134) |
81cac64b | 3176 | hdev->setup = btusb_setup_csr; |
49c989a0 JP |
3177 | |
3178 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
7a9d4020 MH |
3179 | } |
3180 | ||
cfeb4145 | 3181 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 3182 | struct usb_device *udev = data->udev; |
cfeb4145 | 3183 | |
7a9d4020 | 3184 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
3185 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
3186 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
3187 | } | |
3188 | ||
3a5ef20c MH |
3189 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
3190 | /* A bug in the bootloader causes that interrupt interface is | |
3191 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
3192 | */ | |
3193 | err = usb_set_interface(data->udev, 0, 0); | |
3194 | if (err < 0) { | |
3195 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
10ab133b | 3196 | goto out_free_dev; |
3a5ef20c MH |
3197 | } |
3198 | } | |
3199 | ||
9bfa35fe MH |
3200 | if (data->isoc) { |
3201 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 3202 | data->isoc, data); |
10ab133b RJ |
3203 | if (err < 0) |
3204 | goto out_free_dev; | |
9bfa35fe MH |
3205 | } |
3206 | ||
9d08f504 MH |
3207 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
3208 | if (data->diag) { | |
3209 | if (!usb_driver_claim_interface(&btusb_driver, | |
3210 | data->diag, data)) | |
3211 | __set_diag_interface(hdev); | |
3212 | else | |
3213 | data->diag = NULL; | |
3214 | } | |
3215 | #endif | |
3216 | ||
eff2d68c HG |
3217 | if (enable_autosuspend) |
3218 | usb_enable_autosuspend(data->udev); | |
3219 | ||
5e23b923 | 3220 | err = hci_register_dev(hdev); |
10ab133b RJ |
3221 | if (err < 0) |
3222 | goto out_free_dev; | |
5e23b923 MH |
3223 | |
3224 | usb_set_intfdata(intf, data); | |
3225 | ||
3226 | return 0; | |
10ab133b RJ |
3227 | |
3228 | out_free_dev: | |
3229 | hci_free_dev(hdev); | |
3230 | return err; | |
5e23b923 MH |
3231 | } |
3232 | ||
3233 | static void btusb_disconnect(struct usb_interface *intf) | |
3234 | { | |
3235 | struct btusb_data *data = usb_get_intfdata(intf); | |
3236 | struct hci_dev *hdev; | |
3237 | ||
3238 | BT_DBG("intf %p", intf); | |
3239 | ||
3240 | if (!data) | |
3241 | return; | |
3242 | ||
3243 | hdev = data->hdev; | |
5fbcd260 MH |
3244 | usb_set_intfdata(data->intf, NULL); |
3245 | ||
3246 | if (data->isoc) | |
3247 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 | 3248 | |
9d08f504 MH |
3249 | if (data->diag) |
3250 | usb_set_intfdata(data->diag, NULL); | |
3251 | ||
5e23b923 MH |
3252 | hci_unregister_dev(hdev); |
3253 | ||
9d08f504 MH |
3254 | if (intf == data->intf) { |
3255 | if (data->isoc) | |
3256 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
3257 | if (data->diag) | |
3258 | usb_driver_release_interface(&btusb_driver, data->diag); | |
3259 | } else if (intf == data->isoc) { | |
3260 | if (data->diag) | |
3261 | usb_driver_release_interface(&btusb_driver, data->diag); | |
5fbcd260 | 3262 | usb_driver_release_interface(&btusb_driver, data->intf); |
9d08f504 MH |
3263 | } else if (intf == data->diag) { |
3264 | usb_driver_release_interface(&btusb_driver, data->intf); | |
3265 | if (data->isoc) | |
3266 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
3267 | } | |
5fbcd260 | 3268 | |
fd913ef7 RJ |
3269 | if (data->oob_wake_irq) |
3270 | device_init_wakeup(&data->udev->dev, false); | |
3271 | ||
5e23b923 MH |
3272 | hci_free_dev(hdev); |
3273 | } | |
3274 | ||
7bee549e | 3275 | #ifdef CONFIG_PM |
6a88adf2 MH |
3276 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
3277 | { | |
3278 | struct btusb_data *data = usb_get_intfdata(intf); | |
3279 | ||
3280 | BT_DBG("intf %p", intf); | |
3281 | ||
3282 | if (data->suspend_count++) | |
3283 | return 0; | |
3284 | ||
7bee549e | 3285 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 3286 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
3287 | set_bit(BTUSB_SUSPENDING, &data->flags); |
3288 | spin_unlock_irq(&data->txlock); | |
3289 | } else { | |
3290 | spin_unlock_irq(&data->txlock); | |
3291 | data->suspend_count--; | |
3292 | return -EBUSY; | |
3293 | } | |
3294 | ||
6a88adf2 MH |
3295 | cancel_work_sync(&data->work); |
3296 | ||
7bee549e | 3297 | btusb_stop_traffic(data); |
6a88adf2 MH |
3298 | usb_kill_anchored_urbs(&data->tx_anchor); |
3299 | ||
fd913ef7 RJ |
3300 | if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) { |
3301 | set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
3302 | enable_irq_wake(data->oob_wake_irq); | |
3303 | enable_irq(data->oob_wake_irq); | |
3304 | } | |
3305 | ||
6a88adf2 MH |
3306 | return 0; |
3307 | } | |
3308 | ||
7bee549e ON |
3309 | static void play_deferred(struct btusb_data *data) |
3310 | { | |
3311 | struct urb *urb; | |
3312 | int err; | |
3313 | ||
3314 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
19cfe912 JC |
3315 | usb_anchor_urb(urb, &data->tx_anchor); |
3316 | ||
7bee549e | 3317 | err = usb_submit_urb(urb, GFP_ATOMIC); |
19cfe912 JC |
3318 | if (err < 0) { |
3319 | if (err != -EPERM && err != -ENODEV) | |
3320 | BT_ERR("%s urb %p submission failed (%d)", | |
3321 | data->hdev->name, urb, -err); | |
3322 | kfree(urb->setup_packet); | |
3323 | usb_unanchor_urb(urb); | |
3324 | usb_free_urb(urb); | |
7bee549e | 3325 | break; |
19cfe912 | 3326 | } |
7bee549e ON |
3327 | |
3328 | data->tx_in_flight++; | |
19cfe912 JC |
3329 | usb_free_urb(urb); |
3330 | } | |
3331 | ||
3332 | /* Cleanup the rest deferred urbs. */ | |
3333 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
3334 | kfree(urb->setup_packet); | |
3335 | usb_free_urb(urb); | |
7bee549e | 3336 | } |
7bee549e ON |
3337 | } |
3338 | ||
6a88adf2 MH |
3339 | static int btusb_resume(struct usb_interface *intf) |
3340 | { | |
3341 | struct btusb_data *data = usb_get_intfdata(intf); | |
3342 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 3343 | int err = 0; |
6a88adf2 MH |
3344 | |
3345 | BT_DBG("intf %p", intf); | |
3346 | ||
3347 | if (--data->suspend_count) | |
3348 | return 0; | |
3349 | ||
fd913ef7 RJ |
3350 | /* Disable only if not already disabled (keep it balanced) */ |
3351 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
3352 | disable_irq(data->oob_wake_irq); | |
3353 | disable_irq_wake(data->oob_wake_irq); | |
3354 | } | |
3355 | ||
6a88adf2 | 3356 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 3357 | goto done; |
6a88adf2 MH |
3358 | |
3359 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
3360 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
3361 | if (err < 0) { | |
3362 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 3363 | goto failed; |
6a88adf2 MH |
3364 | } |
3365 | } | |
3366 | ||
3367 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
3368 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
3369 | if (err < 0) { | |
6a88adf2 | 3370 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
3371 | goto failed; |
3372 | } | |
3373 | ||
3374 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
3375 | } |
3376 | ||
3377 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
3378 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
3379 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
3380 | else | |
3381 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
3382 | } | |
3383 | ||
7bee549e ON |
3384 | spin_lock_irq(&data->txlock); |
3385 | play_deferred(data); | |
3386 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
3387 | spin_unlock_irq(&data->txlock); | |
3388 | schedule_work(&data->work); | |
3389 | ||
6a88adf2 | 3390 | return 0; |
7bee549e ON |
3391 | |
3392 | failed: | |
3393 | usb_scuttle_anchored_urbs(&data->deferred); | |
3394 | done: | |
3395 | spin_lock_irq(&data->txlock); | |
3396 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
3397 | spin_unlock_irq(&data->txlock); | |
3398 | ||
3399 | return err; | |
6a88adf2 | 3400 | } |
7bee549e | 3401 | #endif |
6a88adf2 | 3402 | |
5e23b923 MH |
3403 | static struct usb_driver btusb_driver = { |
3404 | .name = "btusb", | |
3405 | .probe = btusb_probe, | |
3406 | .disconnect = btusb_disconnect, | |
7bee549e | 3407 | #ifdef CONFIG_PM |
6a88adf2 MH |
3408 | .suspend = btusb_suspend, |
3409 | .resume = btusb_resume, | |
7bee549e | 3410 | #endif |
5e23b923 | 3411 | .id_table = btusb_table, |
7bee549e | 3412 | .supports_autosuspend = 1, |
e1f12eb6 | 3413 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
3414 | }; |
3415 | ||
93f1508c | 3416 | module_usb_driver(btusb_driver); |
5e23b923 | 3417 | |
cfeb4145 MH |
3418 | module_param(disable_scofix, bool, 0644); |
3419 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
3420 | ||
3421 | module_param(force_scofix, bool, 0644); | |
3422 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
3423 | ||
eff2d68c HG |
3424 | module_param(enable_autosuspend, bool, 0644); |
3425 | MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default"); | |
3426 | ||
cfeb4145 MH |
3427 | module_param(reset, bool, 0644); |
3428 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
3429 | ||
5e23b923 MH |
3430 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
3431 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
3432 | MODULE_VERSION(VERSION); | |
3433 | MODULE_LICENSE("GPL"); |