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1a59d1b8 | 1 | // SPDX-License-Identifier: GPL-2.0-or-later |
5e23b923 MH |
2 | /* |
3 | * | |
4 | * Generic Bluetooth USB driver | |
5 | * | |
9bfa35fe | 6 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
7 | */ |
8 | ||
1fdb9269 | 9 | #include <linux/dmi.h> |
5e23b923 | 10 | #include <linux/module.h> |
5e23b923 | 11 | #include <linux/usb.h> |
61f5acea | 12 | #include <linux/usb/quirks.h> |
dffd30ee | 13 | #include <linux/firmware.h> |
a1c49c43 | 14 | #include <linux/iopoll.h> |
fd913ef7 RJ |
15 | #include <linux/of_device.h> |
16 | #include <linux/of_irq.h> | |
017789f3 | 17 | #include <linux/suspend.h> |
dc786b2c | 18 | #include <linux/gpio/consumer.h> |
a2698a9b | 19 | #include <asm/unaligned.h> |
5e23b923 MH |
20 | |
21 | #include <net/bluetooth/bluetooth.h> | |
22 | #include <net/bluetooth/hci_core.h> | |
23 | ||
4185a0f5 | 24 | #include "btintel.h" |
1df1f591 | 25 | #include "btbcm.h" |
db33c77d | 26 | #include "btrtl.h" |
1df1f591 | 27 | |
34dced9b | 28 | #define VERSION "0.8" |
cfeb4145 | 29 | |
90ab5ee9 RR |
30 | static bool disable_scofix; |
31 | static bool force_scofix; | |
eff2d68c | 32 | static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND); |
7a9d4020 | 33 | |
917a3337 | 34 | static bool reset = true; |
cfeb4145 MH |
35 | |
36 | static struct usb_driver btusb_driver; | |
37 | ||
38 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
39 | #define BTUSB_DIGIANSWER 0x02 |
40 | #define BTUSB_CSR 0x04 | |
41 | #define BTUSB_SNIFFER 0x08 | |
42 | #define BTUSB_BCM92035 0x10 | |
43 | #define BTUSB_BROKEN_ISOC 0x20 | |
44 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 45 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 46 | #define BTUSB_INTEL 0x100 |
40df783d MH |
47 | #define BTUSB_INTEL_BOOT 0x200 |
48 | #define BTUSB_BCM_PATCHRAM 0x400 | |
ae8df494 | 49 | #define BTUSB_MARVELL 0x800 |
4fcef8ed | 50 | #define BTUSB_SWAVE 0x1000 |
cda0dd78 | 51 | #define BTUSB_INTEL_NEW 0x2000 |
893ba544 | 52 | #define BTUSB_AMP 0x4000 |
3267c884 | 53 | #define BTUSB_QCA_ROME 0x8000 |
17b2772b | 54 | #define BTUSB_BCM_APPLE 0x10000 |
a2698a9b | 55 | #define BTUSB_REALTEK 0x20000 |
6c9d435d | 56 | #define BTUSB_BCM2045 0x40000 |
22f8e9db | 57 | #define BTUSB_IFNUM_2 0x80000 |
418678b0 | 58 | #define BTUSB_CW6622 0x100000 |
a1c49c43 | 59 | #define BTUSB_MEDIATEK 0x200000 |
5e23b923 | 60 | |
54265202 | 61 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
62 | /* Generic Bluetooth USB device */ |
63 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
64 | ||
893ba544 MH |
65 | /* Generic Bluetooth AMP device */ |
66 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, | |
67 | ||
d63b2826 DD |
68 | /* Generic Bluetooth USB interface */ |
69 | { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) }, | |
70 | ||
1fa6535f | 71 | /* Apple-specific (Broadcom) devices */ |
17b2772b | 72 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), |
22f8e9db | 73 | .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 }, |
1fa6535f | 74 | |
178c059e CYC |
75 | /* MediaTek MT76x0E */ |
76 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
77 | ||
c510eae3 | 78 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 79 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 80 | |
3cd01976 NI |
81 | /* Apple MacBookPro 7,1 */ |
82 | { USB_DEVICE(0x05ac, 0x8213) }, | |
83 | ||
0a79f674 CL |
84 | /* Apple iMac11,1 */ |
85 | { USB_DEVICE(0x05ac, 0x8215) }, | |
86 | ||
9c047157 NI |
87 | /* Apple MacBookPro6,2 */ |
88 | { USB_DEVICE(0x05ac, 0x8218) }, | |
89 | ||
3e3ede7d EH |
90 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
91 | { USB_DEVICE(0x05ac, 0x821b) }, | |
92 | ||
a63b723d PAVM |
93 | /* Apple MacBookAir4,1 */ |
94 | { USB_DEVICE(0x05ac, 0x821f) }, | |
95 | ||
88d377b6 MAP |
96 | /* Apple MacBookPro8,2 */ |
97 | { USB_DEVICE(0x05ac, 0x821a) }, | |
98 | ||
f78b6826 JK |
99 | /* Apple MacMini5,1 */ |
100 | { USB_DEVICE(0x05ac, 0x8281) }, | |
101 | ||
cfeb4145 | 102 | /* AVM BlueFRITZ! USB v2.0 */ |
4fcef8ed | 103 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
cfeb4145 MH |
104 | |
105 | /* Bluetooth Ultraport Module from IBM */ | |
106 | { USB_DEVICE(0x04bf, 0x030a) }, | |
107 | ||
108 | /* ALPS Modules with non-standard id */ | |
109 | { USB_DEVICE(0x044e, 0x3001) }, | |
110 | { USB_DEVICE(0x044e, 0x3002) }, | |
111 | ||
112 | /* Ericsson with non-standard id */ | |
113 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
114 | ||
115 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 116 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 117 | |
d13431ca WJS |
118 | /* Broadcom BCM20702A0 */ |
119 | { USB_DEVICE(0x413c, 0x8197) }, | |
120 | ||
d049f4e5 MH |
121 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
122 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, | |
123 | ||
2faf71ce | 124 | /* Broadcom BCM43142A0 (Foxconn/Lenovo) */ |
628c26b4 DT |
125 | { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01), |
126 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
2faf71ce | 127 | |
a57bac43 CH |
128 | /* Broadcom BCM920703 (HTC Vive) */ |
129 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01), | |
130 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
131 | ||
98514036 | 132 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
133 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
134 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 135 | |
8f0c304c MD |
136 | /* Lite-On Technology - Broadcom based */ |
137 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), | |
138 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
139 | ||
0b880062 | 140 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
141 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
142 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 143 | |
c2aef6e8 | 144 | /* ASUSTek Computer - Broadcom based */ |
9a5abdaa RD |
145 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
146 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
c2aef6e8 | 147 | |
5bcecf32 | 148 | /* Belkin F8065bf - Broadcom based */ |
6331c686 MH |
149 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), |
150 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
5bcecf32 | 151 | |
9113bfd8 | 152 | /* IMC Networks - Broadcom based */ |
6331c686 MH |
153 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), |
154 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
9113bfd8 | 155 | |
fdfddc60 WJS |
156 | /* Dell Computer - Broadcom based */ |
157 | { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01), | |
158 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
159 | ||
1623d0bf DT |
160 | /* Toshiba Corp - Broadcom based */ |
161 | { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01), | |
162 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
163 | ||
40df783d | 164 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
165 | { USB_DEVICE(0x8087, 0x0a5a), |
166 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 167 | |
5e23b923 MH |
168 | { } /* Terminating entry */ |
169 | }; | |
170 | ||
171 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
172 | ||
54265202 | 173 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
174 | /* CSR BlueCore devices */ |
175 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
176 | ||
177 | /* Broadcom BCM2033 without firmware */ | |
178 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
179 | ||
6c9d435d MH |
180 | /* Broadcom BCM2045 devices */ |
181 | { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 }, | |
182 | ||
be93112a | 183 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
184 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
185 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
2eeff0b4 | 186 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, |
0b880062 | 187 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 188 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 189 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 190 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 191 | |
509e7861 CYC |
192 | /* Atheros AR9285 Malbec with sflash firmware */ |
193 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
194 | ||
d9f51b51 | 195 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
196 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
197 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
198 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
199 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
200 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
692c062e | 201 | { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, |
4b552bc9 | 202 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
28c971d8 | 203 | { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
204 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
205 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
206 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
207 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 208 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
209 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
210 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
7e730c7f | 211 | { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, |
ec0810d2 | 212 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, |
134d3b35 | 213 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
81d90442 | 214 | { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, |
441ad62d | 215 | { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 216 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
cd355ff0 | 217 | { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 218 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
89d2975f | 219 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 220 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 221 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
544a5916 | 222 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 223 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 224 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 225 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 226 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 227 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 228 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
18e0afab | 229 | { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 230 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 231 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 232 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
ca79f232 | 233 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
234 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
235 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 236 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
609574eb | 237 | { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 238 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 239 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
033efa92 | 240 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 241 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
75c6aca4 | 242 | { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, |
0d0cef61 | 243 | { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, |
72f9f8b5 | 244 | { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, |
12d86896 | 245 | { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 246 | |
e9036e33 CYC |
247 | /* Atheros AR5BBU12 with sflash firmware */ |
248 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
249 | ||
85d59726 | 250 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 251 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 252 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 253 | |
3267c884 | 254 | /* QCA ROME chipset */ |
1411a260 | 255 | { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME }, |
2054111b | 256 | { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME }, |
93519934 | 257 | { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME }, |
e5a49ee9 | 258 | { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME }, |
c9e44474 | 259 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME }, |
1eef1c35 | 260 | { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME }, |
c9e44474 | 261 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME }, |
47ca5898 | 262 | { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME }, |
858ff38a | 263 | { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME }, |
06e41d8a | 264 | { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME }, |
1144a4ee | 265 | { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME }, |
0a03f98b | 266 | { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME }, |
d829b9e2 | 267 | { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME }, |
d666fc54 | 268 | { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME }, |
44d34af2 | 269 | { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME }, |
df2445bf | 270 | { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME }, |
881cec4f | 271 | { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME }, |
3267c884 | 272 | |
cfeb4145 | 273 | /* Broadcom BCM2035 */ |
7a9d4020 | 274 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
275 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
276 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
277 | |
278 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
279 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
280 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 281 | |
cfeb4145 | 282 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
283 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
284 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
285 | |
286 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 287 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
288 | |
289 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 290 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 291 | |
5ddd4a60 | 292 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 293 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 294 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 295 | |
7a9d4020 MH |
296 | /* Belkin F8T012 and F8T013 devices */ |
297 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
298 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 299 | |
5ddd4a60 MH |
300 | /* Asus WL-BTD202 device */ |
301 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
302 | ||
303 | /* Kensington Bluetooth USB adapter */ | |
304 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
305 | ||
cfeb4145 MH |
306 | /* RTX Telecom based adapters with buggy SCO support */ |
307 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
308 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
309 | ||
310 | /* CONWISE Technology based adapters with buggy SCO support */ | |
418678b0 SJ |
311 | { USB_DEVICE(0x0e5e, 0x6622), |
312 | .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622}, | |
cfeb4145 | 313 | |
4fcef8ed | 314 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
2eeac871 | 315 | { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, |
4fcef8ed | 316 | |
cfeb4145 MH |
317 | /* Digianswer devices */ |
318 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
319 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
320 | ||
321 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
322 | { USB_DEVICE(0x0a12, 0x0002), |
323 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
324 | |
325 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
326 | { USB_DEVICE(0x16d3, 0x0002), |
327 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 328 | |
cb1ee89f MH |
329 | /* Marvell Bluetooth devices */ |
330 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
331 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
1165df0e | 332 | { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, |
cb1ee89f | 333 | |
d0ac9eb7 | 334 | /* Intel Bluetooth devices */ |
de766142 | 335 | { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW }, |
1ce0cec1 | 336 | { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW }, |
2da711bc | 337 | { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW }, |
407550fe | 338 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, |
dffd30ee | 339 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
ef4e5e4a | 340 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
cda0dd78 | 341 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW }, |
439e65d3 | 342 | { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL }, |
86a6129a | 343 | { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW }, |
dffd30ee | 344 | |
d0ac9eb7 MH |
345 | /* Other Intel Bluetooth devices */ |
346 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), | |
347 | .driver_info = BTUSB_IGNORE }, | |
ae8df494 | 348 | |
a2698a9b DD |
349 | /* Realtek Bluetooth devices */ |
350 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), | |
351 | .driver_info = BTUSB_REALTEK }, | |
352 | ||
a1c49c43 SW |
353 | /* MediaTek Bluetooth devices */ |
354 | { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01), | |
355 | .driver_info = BTUSB_MEDIATEK }, | |
356 | ||
a2698a9b DD |
357 | /* Additional Realtek 8723AE Bluetooth devices */ |
358 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, | |
359 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, | |
360 | ||
361 | /* Additional Realtek 8723BE Bluetooth devices */ | |
362 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, | |
363 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, | |
364 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, | |
365 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, | |
366 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, | |
a81d72d2 | 367 | { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK }, |
a2698a9b | 368 | |
a41e0796 VB |
369 | /* Additional Realtek 8723BU Bluetooth devices */ |
370 | { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK }, | |
371 | ||
66d9975c | 372 | /* Additional Realtek 8723DE Bluetooth devices */ |
45ae68b8 | 373 | { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK }, |
66d9975c JHP |
374 | { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, |
375 | ||
a2698a9b DD |
376 | /* Additional Realtek 8821AE Bluetooth devices */ |
377 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, | |
378 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, | |
379 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, | |
380 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, | |
381 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, | |
382 | ||
fed03fe7 | 383 | /* Additional Realtek 8822BE Bluetooth devices */ |
1cd2fabf | 384 | { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK }, |
fed03fe7 LF |
385 | { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK }, |
386 | ||
4481c076 PP |
387 | /* Silicon Wave based devices */ |
388 | { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, | |
389 | ||
5e23b923 MH |
390 | { } /* Terminating entry */ |
391 | }; | |
392 | ||
1fdb9269 HG |
393 | /* The Bluetooth USB module build into some devices needs to be reset on resume, |
394 | * this is a problem with the platform (likely shutting off all power) not with | |
395 | * the module itself. So we use a DMI list to match known broken platforms. | |
396 | */ | |
397 | static const struct dmi_system_id btusb_needs_reset_resume_table[] = { | |
398 | { | |
0c6e5266 | 399 | /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ |
1fdb9269 | 400 | .matches = { |
0c6e5266 KHF |
401 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
402 | DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"), | |
1fdb9269 HG |
403 | }, |
404 | }, | |
596b07a9 HG |
405 | { |
406 | /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */ | |
407 | .matches = { | |
408 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
409 | DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), | |
410 | }, | |
411 | }, | |
939bc6c5 HG |
412 | { |
413 | /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */ | |
414 | .matches = { | |
415 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
416 | DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"), | |
417 | }, | |
418 | }, | |
1fdb9269 HG |
419 | {} |
420 | }; | |
421 | ||
9bfa35fe MH |
422 | #define BTUSB_MAX_ISOC_FRAMES 10 |
423 | ||
5e23b923 MH |
424 | #define BTUSB_INTR_RUNNING 0 |
425 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 426 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 427 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 428 | #define BTUSB_DID_ISO_RESUME 4 |
cda0dd78 MH |
429 | #define BTUSB_BOOTLOADER 5 |
430 | #define BTUSB_DOWNLOADING 6 | |
ce6bb929 | 431 | #define BTUSB_FIRMWARE_LOADED 7 |
cda0dd78 | 432 | #define BTUSB_FIRMWARE_FAILED 8 |
ce6bb929 | 433 | #define BTUSB_BOOTING 9 |
61f5acea HG |
434 | #define BTUSB_DIAG_RUNNING 10 |
435 | #define BTUSB_OOB_WAKE_ENABLED 11 | |
dc786b2c | 436 | #define BTUSB_HW_RESET_ACTIVE 12 |
a1c49c43 | 437 | #define BTUSB_TX_WAIT_VND_EVT 13 |
5e23b923 MH |
438 | |
439 | struct btusb_data { | |
440 | struct hci_dev *hdev; | |
441 | struct usb_device *udev; | |
5fbcd260 | 442 | struct usb_interface *intf; |
9bfa35fe | 443 | struct usb_interface *isoc; |
9d08f504 | 444 | struct usb_interface *diag; |
459232fc | 445 | unsigned isoc_ifnum; |
5e23b923 | 446 | |
5e23b923 MH |
447 | unsigned long flags; |
448 | ||
449 | struct work_struct work; | |
7bee549e | 450 | struct work_struct waker; |
5e23b923 | 451 | |
803b5836 | 452 | struct usb_anchor deferred; |
5e23b923 | 453 | struct usb_anchor tx_anchor; |
803b5836 MH |
454 | int tx_in_flight; |
455 | spinlock_t txlock; | |
456 | ||
5e23b923 MH |
457 | struct usb_anchor intr_anchor; |
458 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 459 | struct usb_anchor isoc_anchor; |
9d08f504 | 460 | struct usb_anchor diag_anchor; |
a1c49c43 | 461 | struct usb_anchor ctrl_anchor; |
803b5836 MH |
462 | spinlock_t rxlock; |
463 | ||
464 | struct sk_buff *evt_skb; | |
465 | struct sk_buff *acl_skb; | |
466 | struct sk_buff *sco_skb; | |
5e23b923 MH |
467 | |
468 | struct usb_endpoint_descriptor *intr_ep; | |
469 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
470 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
471 | struct usb_endpoint_descriptor *isoc_tx_ep; |
472 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
9d08f504 MH |
473 | struct usb_endpoint_descriptor *diag_tx_ep; |
474 | struct usb_endpoint_descriptor *diag_rx_ep; | |
9bfa35fe | 475 | |
dc786b2c RJ |
476 | struct gpio_desc *reset_gpio; |
477 | ||
7a9d4020 | 478 | __u8 cmdreq_type; |
893ba544 | 479 | __u8 cmdreq; |
7a9d4020 | 480 | |
43c2e57f | 481 | unsigned int sco_num; |
9bfa35fe | 482 | int isoc_altsetting; |
6a88adf2 | 483 | int suspend_count; |
2cbd3f5c | 484 | |
97307f51 | 485 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
2cbd3f5c | 486 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
ace31982 KBYT |
487 | |
488 | int (*setup_on_usb)(struct hci_dev *hdev); | |
fd913ef7 RJ |
489 | |
490 | int oob_wake_irq; /* irq for out-of-band wake-on-bt */ | |
dc786b2c | 491 | unsigned cmd_timeout_cnt; |
5e23b923 MH |
492 | }; |
493 | ||
dc786b2c RJ |
494 | |
495 | static void btusb_intel_cmd_timeout(struct hci_dev *hdev) | |
496 | { | |
497 | struct btusb_data *data = hci_get_drvdata(hdev); | |
498 | struct gpio_desc *reset_gpio = data->reset_gpio; | |
499 | ||
500 | if (++data->cmd_timeout_cnt < 5) | |
501 | return; | |
502 | ||
503 | if (!reset_gpio) { | |
504 | bt_dev_err(hdev, "No way to reset. Ignoring and continuing"); | |
505 | return; | |
506 | } | |
507 | ||
508 | /* | |
509 | * Toggle the hard reset line if the platform provides one. The reset | |
510 | * is going to yank the device off the USB and then replug. So doing | |
511 | * once is enough. The cleanup is handled correctly on the way out | |
512 | * (standard USB disconnect), and the new device is detected cleanly | |
513 | * and bound to the driver again like it should be. | |
514 | */ | |
515 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { | |
516 | bt_dev_err(hdev, "last reset failed? Not resetting again"); | |
517 | return; | |
518 | } | |
519 | ||
520 | bt_dev_err(hdev, "Initiating HW reset via gpio"); | |
2de66bb8 RJ |
521 | gpiod_set_value_cansleep(reset_gpio, 1); |
522 | msleep(100); | |
523 | gpiod_set_value_cansleep(reset_gpio, 0); | |
dc786b2c RJ |
524 | } |
525 | ||
803b5836 MH |
526 | static inline void btusb_free_frags(struct btusb_data *data) |
527 | { | |
528 | unsigned long flags; | |
529 | ||
530 | spin_lock_irqsave(&data->rxlock, flags); | |
531 | ||
532 | kfree_skb(data->evt_skb); | |
533 | data->evt_skb = NULL; | |
534 | ||
535 | kfree_skb(data->acl_skb); | |
536 | data->acl_skb = NULL; | |
537 | ||
538 | kfree_skb(data->sco_skb); | |
539 | data->sco_skb = NULL; | |
540 | ||
541 | spin_unlock_irqrestore(&data->rxlock, flags); | |
542 | } | |
543 | ||
1ffa4ad0 MH |
544 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
545 | { | |
803b5836 | 546 | struct sk_buff *skb; |
a5e50d5b | 547 | unsigned long flags; |
803b5836 MH |
548 | int err = 0; |
549 | ||
a5e50d5b | 550 | spin_lock_irqsave(&data->rxlock, flags); |
803b5836 MH |
551 | skb = data->evt_skb; |
552 | ||
553 | while (count) { | |
554 | int len; | |
555 | ||
556 | if (!skb) { | |
557 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
558 | if (!skb) { | |
559 | err = -ENOMEM; | |
560 | break; | |
561 | } | |
562 | ||
618e8bc2 MH |
563 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
564 | hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; | |
803b5836 MH |
565 | } |
566 | ||
618e8bc2 | 567 | len = min_t(uint, hci_skb_expect(skb), count); |
59ae1d12 | 568 | skb_put_data(skb, buffer, len); |
803b5836 MH |
569 | |
570 | count -= len; | |
571 | buffer += len; | |
618e8bc2 | 572 | hci_skb_expect(skb) -= len; |
803b5836 MH |
573 | |
574 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
575 | /* Complete event header */ | |
618e8bc2 | 576 | hci_skb_expect(skb) = hci_event_hdr(skb)->plen; |
803b5836 | 577 | |
618e8bc2 | 578 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
579 | kfree_skb(skb); |
580 | skb = NULL; | |
581 | ||
582 | err = -EILSEQ; | |
583 | break; | |
584 | } | |
585 | } | |
586 | ||
618e8bc2 | 587 | if (!hci_skb_expect(skb)) { |
803b5836 | 588 | /* Complete frame */ |
97307f51 | 589 | data->recv_event(data->hdev, skb); |
803b5836 MH |
590 | skb = NULL; |
591 | } | |
592 | } | |
593 | ||
594 | data->evt_skb = skb; | |
a5e50d5b | 595 | spin_unlock_irqrestore(&data->rxlock, flags); |
803b5836 MH |
596 | |
597 | return err; | |
1ffa4ad0 MH |
598 | } |
599 | ||
600 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
601 | { | |
803b5836 | 602 | struct sk_buff *skb; |
a5e50d5b | 603 | unsigned long flags; |
803b5836 MH |
604 | int err = 0; |
605 | ||
a5e50d5b | 606 | spin_lock_irqsave(&data->rxlock, flags); |
803b5836 MH |
607 | skb = data->acl_skb; |
608 | ||
609 | while (count) { | |
610 | int len; | |
611 | ||
612 | if (!skb) { | |
613 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
614 | if (!skb) { | |
615 | err = -ENOMEM; | |
616 | break; | |
617 | } | |
618 | ||
618e8bc2 MH |
619 | hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; |
620 | hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; | |
803b5836 MH |
621 | } |
622 | ||
618e8bc2 | 623 | len = min_t(uint, hci_skb_expect(skb), count); |
59ae1d12 | 624 | skb_put_data(skb, buffer, len); |
803b5836 MH |
625 | |
626 | count -= len; | |
627 | buffer += len; | |
618e8bc2 | 628 | hci_skb_expect(skb) -= len; |
803b5836 MH |
629 | |
630 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
631 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
632 | ||
633 | /* Complete ACL header */ | |
618e8bc2 | 634 | hci_skb_expect(skb) = __le16_to_cpu(dlen); |
803b5836 | 635 | |
618e8bc2 | 636 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
637 | kfree_skb(skb); |
638 | skb = NULL; | |
639 | ||
640 | err = -EILSEQ; | |
641 | break; | |
642 | } | |
643 | } | |
644 | ||
618e8bc2 | 645 | if (!hci_skb_expect(skb)) { |
803b5836 MH |
646 | /* Complete frame */ |
647 | hci_recv_frame(data->hdev, skb); | |
648 | skb = NULL; | |
649 | } | |
650 | } | |
651 | ||
652 | data->acl_skb = skb; | |
a5e50d5b | 653 | spin_unlock_irqrestore(&data->rxlock, flags); |
803b5836 MH |
654 | |
655 | return err; | |
1ffa4ad0 MH |
656 | } |
657 | ||
658 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
659 | { | |
803b5836 | 660 | struct sk_buff *skb; |
a5e50d5b | 661 | unsigned long flags; |
803b5836 MH |
662 | int err = 0; |
663 | ||
a5e50d5b | 664 | spin_lock_irqsave(&data->rxlock, flags); |
803b5836 MH |
665 | skb = data->sco_skb; |
666 | ||
667 | while (count) { | |
668 | int len; | |
669 | ||
670 | if (!skb) { | |
671 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
672 | if (!skb) { | |
673 | err = -ENOMEM; | |
674 | break; | |
675 | } | |
676 | ||
618e8bc2 MH |
677 | hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; |
678 | hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; | |
803b5836 MH |
679 | } |
680 | ||
618e8bc2 | 681 | len = min_t(uint, hci_skb_expect(skb), count); |
59ae1d12 | 682 | skb_put_data(skb, buffer, len); |
803b5836 MH |
683 | |
684 | count -= len; | |
685 | buffer += len; | |
618e8bc2 | 686 | hci_skb_expect(skb) -= len; |
803b5836 MH |
687 | |
688 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
689 | /* Complete SCO header */ | |
618e8bc2 | 690 | hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen; |
803b5836 | 691 | |
618e8bc2 | 692 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
693 | kfree_skb(skb); |
694 | skb = NULL; | |
695 | ||
696 | err = -EILSEQ; | |
697 | break; | |
698 | } | |
699 | } | |
700 | ||
618e8bc2 | 701 | if (!hci_skb_expect(skb)) { |
803b5836 MH |
702 | /* Complete frame */ |
703 | hci_recv_frame(data->hdev, skb); | |
704 | skb = NULL; | |
705 | } | |
706 | } | |
707 | ||
708 | data->sco_skb = skb; | |
a5e50d5b | 709 | spin_unlock_irqrestore(&data->rxlock, flags); |
803b5836 MH |
710 | |
711 | return err; | |
1ffa4ad0 MH |
712 | } |
713 | ||
5e23b923 MH |
714 | static void btusb_intr_complete(struct urb *urb) |
715 | { | |
716 | struct hci_dev *hdev = urb->context; | |
155961e8 | 717 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
718 | int err; |
719 | ||
89e7533d MH |
720 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
721 | urb->actual_length); | |
5e23b923 MH |
722 | |
723 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
724 | return; | |
725 | ||
726 | if (urb->status == 0) { | |
9bfa35fe MH |
727 | hdev->stat.byte_rx += urb->actual_length; |
728 | ||
1ffa4ad0 MH |
729 | if (btusb_recv_intr(data, urb->transfer_buffer, |
730 | urb->actual_length) < 0) { | |
2064ee33 | 731 | bt_dev_err(hdev, "corrupted event packet"); |
5e23b923 MH |
732 | hdev->stat.err_rx++; |
733 | } | |
85560c4a CC |
734 | } else if (urb->status == -ENOENT) { |
735 | /* Avoid suspend failed when usb_kill_urb */ | |
736 | return; | |
5e23b923 MH |
737 | } |
738 | ||
739 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
740 | return; | |
741 | ||
7bee549e | 742 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
743 | usb_anchor_urb(urb, &data->intr_anchor); |
744 | ||
745 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
746 | if (err < 0) { | |
4935f1c1 | 747 | /* -EPERM: urb is being killed; |
d98422cb DR |
748 | * -ENODEV: device got disconnected |
749 | */ | |
4935f1c1 | 750 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
751 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
752 | urb, -err); | |
5e23b923 MH |
753 | usb_unanchor_urb(urb); |
754 | } | |
755 | } | |
756 | ||
2eda66f4 | 757 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 758 | { |
155961e8 | 759 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
760 | struct urb *urb; |
761 | unsigned char *buf; | |
762 | unsigned int pipe; | |
763 | int err, size; | |
764 | ||
765 | BT_DBG("%s", hdev->name); | |
766 | ||
9bfa35fe MH |
767 | if (!data->intr_ep) |
768 | return -ENODEV; | |
769 | ||
2eda66f4 | 770 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
771 | if (!urb) |
772 | return -ENOMEM; | |
773 | ||
774 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
775 | ||
2eda66f4 | 776 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
777 | if (!buf) { |
778 | usb_free_urb(urb); | |
779 | return -ENOMEM; | |
780 | } | |
781 | ||
782 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
783 | ||
784 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 785 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
786 | |
787 | urb->transfer_flags |= URB_FREE_BUFFER; | |
788 | ||
789 | usb_anchor_urb(urb, &data->intr_anchor); | |
790 | ||
2eda66f4 | 791 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 792 | if (err < 0) { |
d4b8d1c9 | 793 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
794 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
795 | urb, -err); | |
5e23b923 | 796 | usb_unanchor_urb(urb); |
5e23b923 MH |
797 | } |
798 | ||
799 | usb_free_urb(urb); | |
800 | ||
801 | return err; | |
802 | } | |
803 | ||
804 | static void btusb_bulk_complete(struct urb *urb) | |
805 | { | |
806 | struct hci_dev *hdev = urb->context; | |
155961e8 | 807 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
808 | int err; |
809 | ||
89e7533d MH |
810 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
811 | urb->actual_length); | |
5e23b923 MH |
812 | |
813 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
814 | return; | |
815 | ||
816 | if (urb->status == 0) { | |
9bfa35fe MH |
817 | hdev->stat.byte_rx += urb->actual_length; |
818 | ||
2cbd3f5c | 819 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 820 | urb->actual_length) < 0) { |
2064ee33 | 821 | bt_dev_err(hdev, "corrupted ACL packet"); |
5e23b923 MH |
822 | hdev->stat.err_rx++; |
823 | } | |
85560c4a CC |
824 | } else if (urb->status == -ENOENT) { |
825 | /* Avoid suspend failed when usb_kill_urb */ | |
826 | return; | |
5e23b923 MH |
827 | } |
828 | ||
829 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
830 | return; | |
831 | ||
832 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 833 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
834 | |
835 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
836 | if (err < 0) { | |
4935f1c1 | 837 | /* -EPERM: urb is being killed; |
d98422cb DR |
838 | * -ENODEV: device got disconnected |
839 | */ | |
4935f1c1 | 840 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
841 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
842 | urb, -err); | |
5e23b923 MH |
843 | usb_unanchor_urb(urb); |
844 | } | |
845 | } | |
846 | ||
2eda66f4 | 847 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 848 | { |
155961e8 | 849 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
850 | struct urb *urb; |
851 | unsigned char *buf; | |
852 | unsigned int pipe; | |
290ba200 | 853 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
854 | |
855 | BT_DBG("%s", hdev->name); | |
856 | ||
9bfa35fe MH |
857 | if (!data->bulk_rx_ep) |
858 | return -ENODEV; | |
859 | ||
2eda66f4 | 860 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
861 | if (!urb) |
862 | return -ENOMEM; | |
863 | ||
2eda66f4 | 864 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
865 | if (!buf) { |
866 | usb_free_urb(urb); | |
867 | return -ENOMEM; | |
868 | } | |
869 | ||
870 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
871 | ||
89e7533d MH |
872 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
873 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
874 | |
875 | urb->transfer_flags |= URB_FREE_BUFFER; | |
876 | ||
7bee549e | 877 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
878 | usb_anchor_urb(urb, &data->bulk_anchor); |
879 | ||
2eda66f4 | 880 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 881 | if (err < 0) { |
d4b8d1c9 | 882 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
883 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
884 | urb, -err); | |
5e23b923 | 885 | usb_unanchor_urb(urb); |
5e23b923 MH |
886 | } |
887 | ||
888 | usb_free_urb(urb); | |
889 | ||
890 | return err; | |
891 | } | |
892 | ||
9bfa35fe MH |
893 | static void btusb_isoc_complete(struct urb *urb) |
894 | { | |
895 | struct hci_dev *hdev = urb->context; | |
155961e8 | 896 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
897 | int i, err; |
898 | ||
89e7533d MH |
899 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
900 | urb->actual_length); | |
9bfa35fe MH |
901 | |
902 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
903 | return; | |
904 | ||
905 | if (urb->status == 0) { | |
906 | for (i = 0; i < urb->number_of_packets; i++) { | |
907 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
908 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
909 | ||
910 | if (urb->iso_frame_desc[i].status) | |
911 | continue; | |
912 | ||
913 | hdev->stat.byte_rx += length; | |
914 | ||
1ffa4ad0 MH |
915 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
916 | length) < 0) { | |
2064ee33 | 917 | bt_dev_err(hdev, "corrupted SCO packet"); |
9bfa35fe MH |
918 | hdev->stat.err_rx++; |
919 | } | |
920 | } | |
85560c4a CC |
921 | } else if (urb->status == -ENOENT) { |
922 | /* Avoid suspend failed when usb_kill_urb */ | |
923 | return; | |
9bfa35fe MH |
924 | } |
925 | ||
926 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
927 | return; | |
928 | ||
929 | usb_anchor_urb(urb, &data->isoc_anchor); | |
930 | ||
931 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
932 | if (err < 0) { | |
4935f1c1 | 933 | /* -EPERM: urb is being killed; |
d98422cb DR |
934 | * -ENODEV: device got disconnected |
935 | */ | |
4935f1c1 | 936 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
937 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
938 | urb, -err); | |
9bfa35fe MH |
939 | usb_unanchor_urb(urb); |
940 | } | |
941 | } | |
942 | ||
42b16b3f | 943 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
944 | { |
945 | int i, offset = 0; | |
946 | ||
947 | BT_DBG("len %d mtu %d", len, mtu); | |
948 | ||
949 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
950 | i++, offset += mtu, len -= mtu) { | |
951 | urb->iso_frame_desc[i].offset = offset; | |
952 | urb->iso_frame_desc[i].length = mtu; | |
953 | } | |
954 | ||
955 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
956 | urb->iso_frame_desc[i].offset = offset; | |
957 | urb->iso_frame_desc[i].length = len; | |
958 | i++; | |
959 | } | |
960 | ||
961 | urb->number_of_packets = i; | |
962 | } | |
963 | ||
2eda66f4 | 964 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 965 | { |
155961e8 | 966 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
967 | struct urb *urb; |
968 | unsigned char *buf; | |
969 | unsigned int pipe; | |
970 | int err, size; | |
971 | ||
972 | BT_DBG("%s", hdev->name); | |
973 | ||
974 | if (!data->isoc_rx_ep) | |
975 | return -ENODEV; | |
976 | ||
2eda66f4 | 977 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
978 | if (!urb) |
979 | return -ENOMEM; | |
980 | ||
981 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
982 | BTUSB_MAX_ISOC_FRAMES; | |
983 | ||
2eda66f4 | 984 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
985 | if (!buf) { |
986 | usb_free_urb(urb); | |
987 | return -ENOMEM; | |
988 | } | |
989 | ||
990 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
991 | ||
fa0fb93f | 992 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 993 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 994 | |
89e7533d | 995 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
996 | |
997 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 998 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
999 | |
1000 | usb_anchor_urb(urb, &data->isoc_anchor); | |
1001 | ||
2eda66f4 | 1002 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 1003 | if (err < 0) { |
d4b8d1c9 | 1004 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
1005 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
1006 | urb, -err); | |
9bfa35fe | 1007 | usb_unanchor_urb(urb); |
9bfa35fe MH |
1008 | } |
1009 | ||
1010 | usb_free_urb(urb); | |
1011 | ||
1012 | return err; | |
1013 | } | |
1014 | ||
9d08f504 MH |
1015 | static void btusb_diag_complete(struct urb *urb) |
1016 | { | |
1017 | struct hci_dev *hdev = urb->context; | |
1018 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1019 | int err; | |
1020 | ||
1021 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, | |
1022 | urb->actual_length); | |
1023 | ||
1024 | if (urb->status == 0) { | |
1025 | struct sk_buff *skb; | |
1026 | ||
1027 | skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC); | |
1028 | if (skb) { | |
59ae1d12 JB |
1029 | skb_put_data(skb, urb->transfer_buffer, |
1030 | urb->actual_length); | |
9d08f504 MH |
1031 | hci_recv_diag(hdev, skb); |
1032 | } | |
1033 | } else if (urb->status == -ENOENT) { | |
1034 | /* Avoid suspend failed when usb_kill_urb */ | |
1035 | return; | |
1036 | } | |
1037 | ||
1038 | if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) | |
1039 | return; | |
1040 | ||
1041 | usb_anchor_urb(urb, &data->diag_anchor); | |
1042 | usb_mark_last_busy(data->udev); | |
1043 | ||
1044 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1045 | if (err < 0) { | |
1046 | /* -EPERM: urb is being killed; | |
d98422cb DR |
1047 | * -ENODEV: device got disconnected |
1048 | */ | |
9d08f504 | 1049 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
1050 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
1051 | urb, -err); | |
9d08f504 MH |
1052 | usb_unanchor_urb(urb); |
1053 | } | |
1054 | } | |
1055 | ||
1056 | static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) | |
1057 | { | |
1058 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1059 | struct urb *urb; | |
1060 | unsigned char *buf; | |
1061 | unsigned int pipe; | |
1062 | int err, size = HCI_MAX_FRAME_SIZE; | |
1063 | ||
1064 | BT_DBG("%s", hdev->name); | |
1065 | ||
1066 | if (!data->diag_rx_ep) | |
1067 | return -ENODEV; | |
1068 | ||
1069 | urb = usb_alloc_urb(0, mem_flags); | |
1070 | if (!urb) | |
1071 | return -ENOMEM; | |
1072 | ||
1073 | buf = kmalloc(size, mem_flags); | |
1074 | if (!buf) { | |
1075 | usb_free_urb(urb); | |
1076 | return -ENOMEM; | |
1077 | } | |
1078 | ||
1079 | pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); | |
1080 | ||
1081 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, | |
1082 | btusb_diag_complete, hdev); | |
1083 | ||
1084 | urb->transfer_flags |= URB_FREE_BUFFER; | |
1085 | ||
1086 | usb_mark_last_busy(data->udev); | |
1087 | usb_anchor_urb(urb, &data->diag_anchor); | |
1088 | ||
1089 | err = usb_submit_urb(urb, mem_flags); | |
1090 | if (err < 0) { | |
1091 | if (err != -EPERM && err != -ENODEV) | |
2064ee33 MH |
1092 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
1093 | urb, -err); | |
9d08f504 MH |
1094 | usb_unanchor_urb(urb); |
1095 | } | |
1096 | ||
1097 | usb_free_urb(urb); | |
1098 | ||
1099 | return err; | |
1100 | } | |
1101 | ||
5e23b923 | 1102 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
1103 | { |
1104 | struct sk_buff *skb = urb->context; | |
89e7533d | 1105 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 1106 | struct btusb_data *data = hci_get_drvdata(hdev); |
a5e50d5b | 1107 | unsigned long flags; |
7bee549e | 1108 | |
89e7533d MH |
1109 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
1110 | urb->actual_length); | |
7bee549e ON |
1111 | |
1112 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1113 | goto done; | |
1114 | ||
1115 | if (!urb->status) | |
1116 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1117 | else | |
1118 | hdev->stat.err_tx++; | |
1119 | ||
1120 | done: | |
a5e50d5b | 1121 | spin_lock_irqsave(&data->txlock, flags); |
7bee549e | 1122 | data->tx_in_flight--; |
a5e50d5b | 1123 | spin_unlock_irqrestore(&data->txlock, flags); |
7bee549e ON |
1124 | |
1125 | kfree(urb->setup_packet); | |
1126 | ||
1127 | kfree_skb(skb); | |
1128 | } | |
1129 | ||
1130 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
1131 | { |
1132 | struct sk_buff *skb = urb->context; | |
89e7533d | 1133 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 1134 | |
89e7533d MH |
1135 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
1136 | urb->actual_length); | |
5e23b923 MH |
1137 | |
1138 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1139 | goto done; | |
1140 | ||
1141 | if (!urb->status) | |
1142 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1143 | else | |
1144 | hdev->stat.err_tx++; | |
1145 | ||
1146 | done: | |
1147 | kfree(urb->setup_packet); | |
1148 | ||
1149 | kfree_skb(skb); | |
1150 | } | |
1151 | ||
1152 | static int btusb_open(struct hci_dev *hdev) | |
1153 | { | |
155961e8 | 1154 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1155 | int err; |
1156 | ||
1157 | BT_DBG("%s", hdev->name); | |
1158 | ||
c7e163fe EH |
1159 | err = usb_autopm_get_interface(data->intf); |
1160 | if (err < 0) | |
1161 | return err; | |
1162 | ||
ace31982 KBYT |
1163 | /* Patching USB firmware files prior to starting any URBs of HCI path |
1164 | * It is more safe to use USB bulk channel for downloading USB patch | |
1165 | */ | |
1166 | if (data->setup_on_usb) { | |
1167 | err = data->setup_on_usb(hdev); | |
eb50042f | 1168 | if (err < 0) |
ace31982 KBYT |
1169 | return err; |
1170 | } | |
1171 | ||
7bee549e | 1172 | data->intf->needs_remote_wakeup = 1; |
a0085f25 SG |
1173 | /* device specific wakeup source enabled and required for USB |
1174 | * remote wakeup while host is suspended | |
1175 | */ | |
1176 | device_wakeup_enable(&data->udev->dev); | |
7bee549e | 1177 | |
5e23b923 | 1178 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
7bee549e | 1179 | goto done; |
5e23b923 | 1180 | |
2eda66f4 | 1181 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
1182 | if (err < 0) |
1183 | goto failed; | |
1184 | ||
1185 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 1186 | if (err < 0) { |
43c2e57f MH |
1187 | usb_kill_anchored_urbs(&data->intr_anchor); |
1188 | goto failed; | |
5e23b923 MH |
1189 | } |
1190 | ||
43c2e57f MH |
1191 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
1192 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
1193 | ||
9d08f504 MH |
1194 | if (data->diag) { |
1195 | if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) | |
1196 | set_bit(BTUSB_DIAG_RUNNING, &data->flags); | |
1197 | } | |
1198 | ||
7bee549e ON |
1199 | done: |
1200 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
1201 | return 0; |
1202 | ||
1203 | failed: | |
1204 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1205 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
1206 | return err; |
1207 | } | |
1208 | ||
7bee549e ON |
1209 | static void btusb_stop_traffic(struct btusb_data *data) |
1210 | { | |
1211 | usb_kill_anchored_urbs(&data->intr_anchor); | |
1212 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
1213 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
9d08f504 | 1214 | usb_kill_anchored_urbs(&data->diag_anchor); |
a1c49c43 | 1215 | usb_kill_anchored_urbs(&data->ctrl_anchor); |
7bee549e ON |
1216 | } |
1217 | ||
5e23b923 MH |
1218 | static int btusb_close(struct hci_dev *hdev) |
1219 | { | |
155961e8 | 1220 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 1221 | int err; |
5e23b923 MH |
1222 | |
1223 | BT_DBG("%s", hdev->name); | |
1224 | ||
e8c3c3d2 | 1225 | cancel_work_sync(&data->work); |
404291ac | 1226 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 1227 | |
9bfa35fe | 1228 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 1229 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 1230 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
9d08f504 | 1231 | clear_bit(BTUSB_DIAG_RUNNING, &data->flags); |
7bee549e ON |
1232 | |
1233 | btusb_stop_traffic(data); | |
803b5836 MH |
1234 | btusb_free_frags(data); |
1235 | ||
7bee549e ON |
1236 | err = usb_autopm_get_interface(data->intf); |
1237 | if (err < 0) | |
7b8e2c1d | 1238 | goto failed; |
7bee549e ON |
1239 | |
1240 | data->intf->needs_remote_wakeup = 0; | |
a0085f25 | 1241 | device_wakeup_disable(&data->udev->dev); |
7bee549e | 1242 | usb_autopm_put_interface(data->intf); |
5e23b923 | 1243 | |
7b8e2c1d ON |
1244 | failed: |
1245 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
1246 | return 0; |
1247 | } | |
1248 | ||
1249 | static int btusb_flush(struct hci_dev *hdev) | |
1250 | { | |
155961e8 | 1251 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1252 | |
1253 | BT_DBG("%s", hdev->name); | |
1254 | ||
1255 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 1256 | btusb_free_frags(data); |
5e23b923 MH |
1257 | |
1258 | return 0; | |
1259 | } | |
1260 | ||
047b2ec8 | 1261 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 1262 | { |
155961e8 | 1263 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1264 | struct usb_ctrlrequest *dr; |
1265 | struct urb *urb; | |
1266 | unsigned int pipe; | |
5e23b923 | 1267 | |
047b2ec8 MH |
1268 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1269 | if (!urb) | |
1270 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1271 | |
047b2ec8 MH |
1272 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
1273 | if (!dr) { | |
1274 | usb_free_urb(urb); | |
1275 | return ERR_PTR(-ENOMEM); | |
1276 | } | |
5e23b923 | 1277 | |
047b2ec8 | 1278 | dr->bRequestType = data->cmdreq_type; |
893ba544 | 1279 | dr->bRequest = data->cmdreq; |
047b2ec8 MH |
1280 | dr->wIndex = 0; |
1281 | dr->wValue = 0; | |
1282 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 1283 | |
047b2ec8 | 1284 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 1285 | |
89e7533d | 1286 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 1287 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 1288 | |
89e7533d | 1289 | skb->dev = (void *)hdev; |
5e23b923 | 1290 | |
047b2ec8 MH |
1291 | return urb; |
1292 | } | |
5e23b923 | 1293 | |
047b2ec8 MH |
1294 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1295 | { | |
1296 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1297 | struct urb *urb; | |
1298 | unsigned int pipe; | |
5e23b923 | 1299 | |
047b2ec8 MH |
1300 | if (!data->bulk_tx_ep) |
1301 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1302 | |
047b2ec8 MH |
1303 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1304 | if (!urb) | |
1305 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1306 | |
047b2ec8 | 1307 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 1308 | |
047b2ec8 MH |
1309 | usb_fill_bulk_urb(urb, data->udev, pipe, |
1310 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 1311 | |
89e7533d | 1312 | skb->dev = (void *)hdev; |
5e23b923 | 1313 | |
047b2ec8 MH |
1314 | return urb; |
1315 | } | |
9bfa35fe | 1316 | |
047b2ec8 MH |
1317 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1318 | { | |
1319 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1320 | struct urb *urb; | |
1321 | unsigned int pipe; | |
9bfa35fe | 1322 | |
047b2ec8 MH |
1323 | if (!data->isoc_tx_ep) |
1324 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1325 | |
047b2ec8 MH |
1326 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1327 | if (!urb) | |
1328 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1329 | |
047b2ec8 | 1330 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1331 | |
047b2ec8 MH |
1332 | usb_fill_int_urb(urb, data->udev, pipe, |
1333 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1334 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1335 | |
047b2ec8 | 1336 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1337 | |
047b2ec8 MH |
1338 | __fill_isoc_descriptor(urb, skb->len, |
1339 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1340 | |
89e7533d | 1341 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1342 | |
1343 | return urb; | |
1344 | } | |
1345 | ||
1346 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1347 | { | |
1348 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1349 | int err; | |
7bee549e | 1350 | |
5e23b923 MH |
1351 | usb_anchor_urb(urb, &data->tx_anchor); |
1352 | ||
e9753eff | 1353 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1354 | if (err < 0) { |
5a9b80e2 | 1355 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
1356 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
1357 | urb, -err); | |
5e23b923 MH |
1358 | kfree(urb->setup_packet); |
1359 | usb_unanchor_urb(urb); | |
7bee549e ON |
1360 | } else { |
1361 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1362 | } |
1363 | ||
54a8a79c | 1364 | usb_free_urb(urb); |
5e23b923 MH |
1365 | return err; |
1366 | } | |
1367 | ||
047b2ec8 MH |
1368 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1369 | { | |
1370 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1371 | unsigned long flags; | |
1372 | bool suspending; | |
1373 | ||
1374 | spin_lock_irqsave(&data->txlock, flags); | |
1375 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1376 | if (!suspending) | |
1377 | data->tx_in_flight++; | |
1378 | spin_unlock_irqrestore(&data->txlock, flags); | |
1379 | ||
1380 | if (!suspending) | |
1381 | return submit_tx_urb(hdev, urb); | |
1382 | ||
1383 | usb_anchor_urb(urb, &data->deferred); | |
1384 | schedule_work(&data->waker); | |
1385 | ||
1386 | usb_free_urb(urb); | |
1387 | return 0; | |
1388 | } | |
1389 | ||
1390 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1391 | { | |
1392 | struct urb *urb; | |
1393 | ||
1394 | BT_DBG("%s", hdev->name); | |
1395 | ||
618e8bc2 | 1396 | switch (hci_skb_pkt_type(skb)) { |
047b2ec8 MH |
1397 | case HCI_COMMAND_PKT: |
1398 | urb = alloc_ctrl_urb(hdev, skb); | |
1399 | if (IS_ERR(urb)) | |
1400 | return PTR_ERR(urb); | |
1401 | ||
1402 | hdev->stat.cmd_tx++; | |
1403 | return submit_or_queue_tx_urb(hdev, urb); | |
1404 | ||
1405 | case HCI_ACLDATA_PKT: | |
1406 | urb = alloc_bulk_urb(hdev, skb); | |
1407 | if (IS_ERR(urb)) | |
1408 | return PTR_ERR(urb); | |
1409 | ||
1410 | hdev->stat.acl_tx++; | |
1411 | return submit_or_queue_tx_urb(hdev, urb); | |
1412 | ||
1413 | case HCI_SCODATA_PKT: | |
1414 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1415 | return -ENODEV; | |
1416 | ||
1417 | urb = alloc_isoc_urb(hdev, skb); | |
1418 | if (IS_ERR(urb)) | |
1419 | return PTR_ERR(urb); | |
1420 | ||
1421 | hdev->stat.sco_tx++; | |
1422 | return submit_tx_urb(hdev, urb); | |
1423 | } | |
1424 | ||
1425 | return -EILSEQ; | |
1426 | } | |
1427 | ||
5e23b923 MH |
1428 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1429 | { | |
155961e8 | 1430 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1431 | |
1432 | BT_DBG("%s evt %d", hdev->name, evt); | |
1433 | ||
014f7bc7 MH |
1434 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1435 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1436 | schedule_work(&data->work); |
a780efa8 | 1437 | } |
5e23b923 MH |
1438 | } |
1439 | ||
42b16b3f | 1440 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1441 | { |
155961e8 | 1442 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1443 | struct usb_interface *intf = data->isoc; |
1444 | struct usb_endpoint_descriptor *ep_desc; | |
1445 | int i, err; | |
1446 | ||
1447 | if (!data->isoc) | |
1448 | return -ENODEV; | |
1449 | ||
459232fc | 1450 | err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting); |
9bfa35fe | 1451 | if (err < 0) { |
2064ee33 | 1452 | bt_dev_err(hdev, "setting interface failed (%d)", -err); |
9bfa35fe MH |
1453 | return err; |
1454 | } | |
1455 | ||
1456 | data->isoc_altsetting = altsetting; | |
1457 | ||
1458 | data->isoc_tx_ep = NULL; | |
1459 | data->isoc_rx_ep = NULL; | |
1460 | ||
1461 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1462 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1463 | ||
1464 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1465 | data->isoc_tx_ep = ep_desc; | |
1466 | continue; | |
1467 | } | |
1468 | ||
1469 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1470 | data->isoc_rx_ep = ep_desc; | |
1471 | continue; | |
1472 | } | |
1473 | } | |
1474 | ||
1475 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
2064ee33 | 1476 | bt_dev_err(hdev, "invalid SCO descriptors"); |
9bfa35fe MH |
1477 | return -ENODEV; |
1478 | } | |
1479 | ||
1480 | return 0; | |
1481 | } | |
1482 | ||
5e23b923 MH |
1483 | static void btusb_work(struct work_struct *work) |
1484 | { | |
1485 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1486 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1487 | int new_alts; |
7bee549e | 1488 | int err; |
5e23b923 | 1489 | |
014f7bc7 | 1490 | if (data->sco_num > 0) { |
08b8b6c4 | 1491 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1492 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1493 | if (err < 0) { |
1494 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1495 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1496 | return; | |
1497 | } | |
1498 | ||
08b8b6c4 | 1499 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1500 | } |
f4001d28 MA |
1501 | |
1502 | if (hdev->voice_setting & 0x0020) { | |
1503 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1504 | |
014f7bc7 | 1505 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1506 | } else { |
014f7bc7 | 1507 | new_alts = data->sco_num; |
f4001d28 MA |
1508 | } |
1509 | ||
1510 | if (data->isoc_altsetting != new_alts) { | |
f6fc86f2 KP |
1511 | unsigned long flags; |
1512 | ||
9bfa35fe MH |
1513 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1514 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1515 | ||
8f9d02f4 KP |
1516 | /* When isochronous alternate setting needs to be |
1517 | * changed, because SCO connection has been added | |
1518 | * or removed, a packet fragment may be left in the | |
1519 | * reassembling state. This could lead to wrongly | |
1520 | * assembled fragments. | |
1521 | * | |
1522 | * Clear outstanding fragment when selecting a new | |
1523 | * alternate setting. | |
1524 | */ | |
f6fc86f2 | 1525 | spin_lock_irqsave(&data->rxlock, flags); |
8f9d02f4 KP |
1526 | kfree_skb(data->sco_skb); |
1527 | data->sco_skb = NULL; | |
f6fc86f2 | 1528 | spin_unlock_irqrestore(&data->rxlock, flags); |
8f9d02f4 | 1529 | |
f4001d28 | 1530 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1531 | return; |
1532 | } | |
1533 | ||
1534 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1535 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1536 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1537 | else | |
2eda66f4 | 1538 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1539 | } |
1540 | } else { | |
1541 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1542 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1543 | ||
1544 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1545 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1546 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1547 | } |
1548 | } | |
1549 | ||
7bee549e ON |
1550 | static void btusb_waker(struct work_struct *work) |
1551 | { | |
1552 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1553 | int err; | |
1554 | ||
1555 | err = usb_autopm_get_interface(data->intf); | |
1556 | if (err < 0) | |
1557 | return; | |
1558 | ||
1559 | usb_autopm_put_interface(data->intf); | |
1560 | } | |
1561 | ||
9f8f962c MH |
1562 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1563 | { | |
1564 | struct sk_buff *skb; | |
1565 | u8 val = 0x00; | |
1566 | ||
1567 | BT_DBG("%s", hdev->name); | |
1568 | ||
1569 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1570 | if (IS_ERR(skb)) | |
2064ee33 | 1571 | bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb)); |
9f8f962c MH |
1572 | else |
1573 | kfree_skb(skb); | |
1574 | ||
1575 | return 0; | |
1576 | } | |
1577 | ||
81cac64b MH |
1578 | static int btusb_setup_csr(struct hci_dev *hdev) |
1579 | { | |
1580 | struct hci_rp_read_local_version *rp; | |
1581 | struct sk_buff *skb; | |
81cac64b MH |
1582 | |
1583 | BT_DBG("%s", hdev->name); | |
1584 | ||
7cd84d72 MH |
1585 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
1586 | HCI_INIT_TIMEOUT); | |
1587 | if (IS_ERR(skb)) { | |
1588 | int err = PTR_ERR(skb); | |
2064ee33 | 1589 | bt_dev_err(hdev, "CSR: Local version failed (%d)", err); |
7cd84d72 MH |
1590 | return err; |
1591 | } | |
1592 | ||
1593 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { | |
2064ee33 | 1594 | bt_dev_err(hdev, "CSR: Local version length mismatch"); |
7cd84d72 MH |
1595 | kfree_skb(skb); |
1596 | return -EIO; | |
1597 | } | |
81cac64b | 1598 | |
89e7533d | 1599 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b | 1600 | |
6cafcd95 JH |
1601 | /* Detect controllers which aren't real CSR ones. */ |
1602 | if (le16_to_cpu(rp->manufacturer) != 10 || | |
1603 | le16_to_cpu(rp->lmp_subver) == 0x0c5c) { | |
9641d343 MH |
1604 | /* Clear the reset quirk since this is not an actual |
1605 | * early Bluetooth 1.1 device from CSR. | |
1606 | */ | |
1607 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
81cac64b | 1608 | |
9641d343 MH |
1609 | /* These fake CSR controllers have all a broken |
1610 | * stored link key handling and so just disable it. | |
1611 | */ | |
1612 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
1613 | } | |
81cac64b MH |
1614 | |
1615 | kfree_skb(skb); | |
1616 | ||
9641d343 | 1617 | return 0; |
81cac64b MH |
1618 | } |
1619 | ||
dffd30ee | 1620 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
89e7533d | 1621 | struct intel_version *ver) |
dffd30ee THJA |
1622 | { |
1623 | const struct firmware *fw; | |
1624 | char fwname[64]; | |
1625 | int ret; | |
1626 | ||
1627 | snprintf(fwname, sizeof(fwname), | |
1628 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1629 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1630 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1631 | ver->fw_build_ww, ver->fw_build_yy); | |
1632 | ||
1633 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1634 | if (ret < 0) { | |
1635 | if (ret == -EINVAL) { | |
85418fef MH |
1636 | bt_dev_err(hdev, "Intel firmware file request failed (%d)", |
1637 | ret); | |
dffd30ee THJA |
1638 | return NULL; |
1639 | } | |
1640 | ||
85418fef MH |
1641 | bt_dev_err(hdev, "failed to open Intel firmware file: %s (%d)", |
1642 | fwname, ret); | |
dffd30ee THJA |
1643 | |
1644 | /* If the correct firmware patch file is not found, use the | |
1645 | * default firmware patch file instead | |
1646 | */ | |
1647 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1648 | ver->hw_platform, ver->hw_variant); | |
1649 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
85418fef MH |
1650 | bt_dev_err(hdev, "failed to open default fw file: %s", |
1651 | fwname); | |
dffd30ee THJA |
1652 | return NULL; |
1653 | } | |
1654 | } | |
1655 | ||
2064ee33 | 1656 | bt_dev_info(hdev, "Intel Bluetooth firmware file: %s", fwname); |
dffd30ee THJA |
1657 | |
1658 | return fw; | |
1659 | } | |
1660 | ||
1661 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1662 | const struct firmware *fw, | |
1663 | const u8 **fw_ptr, int *disable_patch) | |
1664 | { | |
1665 | struct sk_buff *skb; | |
1666 | struct hci_command_hdr *cmd; | |
1667 | const u8 *cmd_param; | |
1668 | struct hci_event_hdr *evt = NULL; | |
1669 | const u8 *evt_param = NULL; | |
1670 | int remain = fw->size - (*fw_ptr - fw->data); | |
1671 | ||
1672 | /* The first byte indicates the types of the patch command or event. | |
1673 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1674 | * in the current firmware buffer doesn't start with 0x01 or | |
1675 | * the size of remain buffer is smaller than HCI command header, | |
1676 | * the firmware file is corrupted and it should stop the patching | |
1677 | * process. | |
1678 | */ | |
1679 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
85418fef | 1680 | bt_dev_err(hdev, "Intel fw corrupted: invalid cmd read"); |
dffd30ee THJA |
1681 | return -EINVAL; |
1682 | } | |
1683 | (*fw_ptr)++; | |
1684 | remain--; | |
1685 | ||
1686 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1687 | *fw_ptr += sizeof(*cmd); | |
1688 | remain -= sizeof(*cmd); | |
1689 | ||
1690 | /* Ensure that the remain firmware data is long enough than the length | |
1691 | * of command parameter. If not, the firmware file is corrupted. | |
1692 | */ | |
1693 | if (remain < cmd->plen) { | |
85418fef | 1694 | bt_dev_err(hdev, "Intel fw corrupted: invalid cmd len"); |
dffd30ee THJA |
1695 | return -EFAULT; |
1696 | } | |
1697 | ||
1698 | /* If there is a command that loads a patch in the firmware | |
1699 | * file, then enable the patch upon success, otherwise just | |
1700 | * disable the manufacturer mode, for example patch activation | |
1701 | * is not required when the default firmware patch file is used | |
1702 | * because there are no patch data to load. | |
1703 | */ | |
1704 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1705 | *disable_patch = 0; | |
1706 | ||
1707 | cmd_param = *fw_ptr; | |
1708 | *fw_ptr += cmd->plen; | |
1709 | remain -= cmd->plen; | |
1710 | ||
1711 | /* This reads the expected events when the above command is sent to the | |
1712 | * device. Some vendor commands expects more than one events, for | |
1713 | * example command status event followed by vendor specific event. | |
1714 | * For this case, it only keeps the last expected event. so the command | |
1715 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1716 | * last expected event. | |
1717 | */ | |
1718 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1719 | (*fw_ptr)++; | |
1720 | remain--; | |
1721 | ||
1722 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1723 | *fw_ptr += sizeof(*evt); | |
1724 | remain -= sizeof(*evt); | |
1725 | ||
1726 | if (remain < evt->plen) { | |
85418fef | 1727 | bt_dev_err(hdev, "Intel fw corrupted: invalid evt len"); |
dffd30ee THJA |
1728 | return -EFAULT; |
1729 | } | |
1730 | ||
1731 | evt_param = *fw_ptr; | |
1732 | *fw_ptr += evt->plen; | |
1733 | remain -= evt->plen; | |
1734 | } | |
1735 | ||
1736 | /* Every HCI commands in the firmware file has its correspond event. | |
1737 | * If event is not found or remain is smaller than zero, the firmware | |
1738 | * file is corrupted. | |
1739 | */ | |
1740 | if (!evt || !evt_param || remain < 0) { | |
85418fef | 1741 | bt_dev_err(hdev, "Intel fw corrupted: invalid evt read"); |
dffd30ee THJA |
1742 | return -EFAULT; |
1743 | } | |
1744 | ||
1745 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1746 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1747 | if (IS_ERR(skb)) { | |
85418fef MH |
1748 | bt_dev_err(hdev, "sending Intel patch command (0x%4.4x) failed (%ld)", |
1749 | cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1750 | return PTR_ERR(skb); |
dffd30ee THJA |
1751 | } |
1752 | ||
1753 | /* It ensures that the returned event matches the event data read from | |
1754 | * the firmware file. At fist, it checks the length and then | |
1755 | * the contents of the event. | |
1756 | */ | |
1757 | if (skb->len != evt->plen) { | |
85418fef MH |
1758 | bt_dev_err(hdev, "mismatch event length (opcode 0x%4.4x)", |
1759 | le16_to_cpu(cmd->opcode)); | |
dffd30ee THJA |
1760 | kfree_skb(skb); |
1761 | return -EFAULT; | |
1762 | } | |
1763 | ||
1764 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
85418fef MH |
1765 | bt_dev_err(hdev, "mismatch event parameter (opcode 0x%4.4x)", |
1766 | le16_to_cpu(cmd->opcode)); | |
dffd30ee THJA |
1767 | kfree_skb(skb); |
1768 | return -EFAULT; | |
1769 | } | |
1770 | kfree_skb(skb); | |
1771 | ||
1772 | return 0; | |
1773 | } | |
1774 | ||
1775 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1776 | { | |
1777 | struct sk_buff *skb; | |
1778 | const struct firmware *fw; | |
1779 | const u8 *fw_ptr; | |
28dc4b92 | 1780 | int disable_patch, err; |
6c483de1 | 1781 | struct intel_version ver; |
dffd30ee | 1782 | |
dffd30ee THJA |
1783 | BT_DBG("%s", hdev->name); |
1784 | ||
1785 | /* The controller has a bug with the first HCI command sent to it | |
1786 | * returning number of completed commands as zero. This would stall the | |
1787 | * command processing in the Bluetooth core. | |
1788 | * | |
1789 | * As a workaround, send HCI Reset command first which will reset the | |
1790 | * number of completed commands and allow normal command processing | |
1791 | * from now on. | |
1792 | */ | |
1793 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1794 | if (IS_ERR(skb)) { | |
85418fef MH |
1795 | bt_dev_err(hdev, "sending initial HCI reset command failed (%ld)", |
1796 | PTR_ERR(skb)); | |
d9c78e97 | 1797 | return PTR_ERR(skb); |
dffd30ee THJA |
1798 | } |
1799 | kfree_skb(skb); | |
1800 | ||
1801 | /* Read Intel specific controller version first to allow selection of | |
1802 | * which firmware file to load. | |
1803 | * | |
1804 | * The returned information are hardware variant and revision plus | |
1805 | * firmware variant, revision and build number. | |
1806 | */ | |
6c483de1 LP |
1807 | err = btintel_read_version(hdev, &ver); |
1808 | if (err) | |
1809 | return err; | |
dffd30ee | 1810 | |
2064ee33 MH |
1811 | bt_dev_info(hdev, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", |
1812 | ver.hw_platform, ver.hw_variant, ver.hw_revision, | |
1813 | ver.fw_variant, ver.fw_revision, ver.fw_build_num, | |
1814 | ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num); | |
dffd30ee THJA |
1815 | |
1816 | /* fw_patch_num indicates the version of patch the device currently | |
1817 | * have. If there is no patch data in the device, it is always 0x00. | |
5075edae | 1818 | * So, if it is other than 0x00, no need to patch the device again. |
dffd30ee | 1819 | */ |
6c483de1 | 1820 | if (ver.fw_patch_num) { |
2064ee33 MH |
1821 | bt_dev_info(hdev, "Intel device is already patched. " |
1822 | "patch num: %02x", ver.fw_patch_num); | |
213445b2 | 1823 | goto complete; |
dffd30ee THJA |
1824 | } |
1825 | ||
1826 | /* Opens the firmware patch file based on the firmware version read | |
1827 | * from the controller. If it fails to open the matching firmware | |
1828 | * patch file, it tries to open the default firmware patch file. | |
1829 | * If no patch file is found, allow the device to operate without | |
1830 | * a patch. | |
1831 | */ | |
6c483de1 LP |
1832 | fw = btusb_setup_intel_get_fw(hdev, &ver); |
1833 | if (!fw) | |
213445b2 | 1834 | goto complete; |
dffd30ee THJA |
1835 | fw_ptr = fw->data; |
1836 | ||
28dc4b92 | 1837 | /* Enable the manufacturer mode of the controller. |
dffd30ee THJA |
1838 | * Only while this mode is enabled, the driver can download the |
1839 | * firmware patch data and configuration parameters. | |
1840 | */ | |
28dc4b92 LP |
1841 | err = btintel_enter_mfg(hdev); |
1842 | if (err) { | |
dffd30ee | 1843 | release_firmware(fw); |
28dc4b92 | 1844 | return err; |
dffd30ee THJA |
1845 | } |
1846 | ||
dffd30ee THJA |
1847 | disable_patch = 1; |
1848 | ||
1849 | /* The firmware data file consists of list of Intel specific HCI | |
1850 | * commands and its expected events. The first byte indicates the | |
1851 | * type of the message, either HCI command or HCI event. | |
1852 | * | |
1853 | * It reads the command and its expected event from the firmware file, | |
1854 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1855 | * the returned event is compared with the event read from the firmware | |
1856 | * file and it will continue until all the messages are downloaded to | |
1857 | * the controller. | |
1858 | * | |
1859 | * Once the firmware patching is completed successfully, | |
1860 | * the manufacturer mode is disabled with reset and activating the | |
1861 | * downloaded patch. | |
1862 | * | |
1863 | * If the firmware patching fails, the manufacturer mode is | |
1864 | * disabled with reset and deactivating the patch. | |
1865 | * | |
1866 | * If the default patch file is used, no reset is done when disabling | |
1867 | * the manufacturer. | |
1868 | */ | |
1869 | while (fw->size > fw_ptr - fw->data) { | |
1870 | int ret; | |
1871 | ||
1872 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1873 | &disable_patch); | |
1874 | if (ret < 0) | |
1875 | goto exit_mfg_deactivate; | |
1876 | } | |
1877 | ||
1878 | release_firmware(fw); | |
1879 | ||
1880 | if (disable_patch) | |
1881 | goto exit_mfg_disable; | |
1882 | ||
1883 | /* Patching completed successfully and disable the manufacturer mode | |
1884 | * with reset and activate the downloaded firmware patches. | |
1885 | */ | |
28dc4b92 LP |
1886 | err = btintel_exit_mfg(hdev, true, true); |
1887 | if (err) | |
1888 | return err; | |
dffd30ee | 1889 | |
2064ee33 | 1890 | bt_dev_info(hdev, "Intel firmware patch completed and activated"); |
dffd30ee | 1891 | |
213445b2 | 1892 | goto complete; |
dffd30ee THJA |
1893 | |
1894 | exit_mfg_disable: | |
1895 | /* Disable the manufacturer mode without reset */ | |
28dc4b92 LP |
1896 | err = btintel_exit_mfg(hdev, false, false); |
1897 | if (err) | |
1898 | return err; | |
dffd30ee | 1899 | |
2064ee33 | 1900 | bt_dev_info(hdev, "Intel firmware patch completed"); |
40cb0984 | 1901 | |
213445b2 | 1902 | goto complete; |
dffd30ee THJA |
1903 | |
1904 | exit_mfg_deactivate: | |
1905 | release_firmware(fw); | |
1906 | ||
1907 | /* Patching failed. Disable the manufacturer mode with reset and | |
1908 | * deactivate the downloaded firmware patches. | |
1909 | */ | |
28dc4b92 LP |
1910 | err = btintel_exit_mfg(hdev, true, false); |
1911 | if (err) | |
1912 | return err; | |
dffd30ee | 1913 | |
2064ee33 | 1914 | bt_dev_info(hdev, "Intel firmware patch completed and deactivated"); |
dffd30ee | 1915 | |
213445b2 MH |
1916 | complete: |
1917 | /* Set the event mask for Intel specific vendor events. This enables | |
1918 | * a few extra events that are useful during general operation. | |
1919 | */ | |
1920 | btintel_set_event_mask_mfg(hdev, false); | |
1921 | ||
4185a0f5 | 1922 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
1923 | return 0; |
1924 | } | |
1925 | ||
cda0dd78 MH |
1926 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
1927 | { | |
1928 | struct sk_buff *skb; | |
1929 | struct hci_event_hdr *hdr; | |
1930 | struct hci_ev_cmd_complete *evt; | |
1931 | ||
cf07e341 | 1932 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); |
cda0dd78 MH |
1933 | if (!skb) |
1934 | return -ENOMEM; | |
1935 | ||
4df864c1 | 1936 | hdr = skb_put(skb, sizeof(*hdr)); |
cda0dd78 MH |
1937 | hdr->evt = HCI_EV_CMD_COMPLETE; |
1938 | hdr->plen = sizeof(*evt) + 1; | |
1939 | ||
4df864c1 | 1940 | evt = skb_put(skb, sizeof(*evt)); |
cda0dd78 MH |
1941 | evt->ncmd = 0x01; |
1942 | evt->opcode = cpu_to_le16(opcode); | |
1943 | ||
634fef61 | 1944 | skb_put_u8(skb, 0x00); |
cda0dd78 | 1945 | |
618e8bc2 | 1946 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
cda0dd78 MH |
1947 | |
1948 | return hci_recv_frame(hdev, skb); | |
1949 | } | |
1950 | ||
1951 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
1952 | int count) | |
1953 | { | |
1954 | /* When the device is in bootloader mode, then it can send | |
1955 | * events via the bulk endpoint. These events are treated the | |
1956 | * same way as the ones received from the interrupt endpoint. | |
1957 | */ | |
1958 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) | |
1959 | return btusb_recv_intr(data, buffer, count); | |
1960 | ||
1961 | return btusb_recv_bulk(data, buffer, count); | |
1962 | } | |
1963 | ||
ccd6da2a MH |
1964 | static void btusb_intel_bootup(struct btusb_data *data, const void *ptr, |
1965 | unsigned int len) | |
1966 | { | |
1967 | const struct intel_bootup *evt = ptr; | |
1968 | ||
1969 | if (len != sizeof(*evt)) | |
1970 | return; | |
1971 | ||
dff6d593 | 1972 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) |
ccd6da2a | 1973 | wake_up_bit(&data->flags, BTUSB_BOOTING); |
ccd6da2a MH |
1974 | } |
1975 | ||
1976 | static void btusb_intel_secure_send_result(struct btusb_data *data, | |
1977 | const void *ptr, unsigned int len) | |
1978 | { | |
1979 | const struct intel_secure_send_result *evt = ptr; | |
1980 | ||
1981 | if (len != sizeof(*evt)) | |
1982 | return; | |
1983 | ||
1984 | if (evt->result) | |
1985 | set_bit(BTUSB_FIRMWARE_FAILED, &data->flags); | |
1986 | ||
1987 | if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) && | |
dff6d593 | 1988 | test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) |
ccd6da2a | 1989 | wake_up_bit(&data->flags, BTUSB_DOWNLOADING); |
ccd6da2a MH |
1990 | } |
1991 | ||
cda0dd78 MH |
1992 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) |
1993 | { | |
1994 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1995 | ||
1996 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
1997 | struct hci_event_hdr *hdr = (void *)skb->data; | |
1998 | ||
ccd6da2a MH |
1999 | if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff && |
2000 | hdr->plen > 0) { | |
2001 | const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1; | |
2002 | unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1; | |
2003 | ||
2004 | switch (skb->data[2]) { | |
2005 | case 0x02: | |
2006 | /* When switching to the operational firmware | |
2007 | * the device sends a vendor specific event | |
2008 | * indicating that the bootup completed. | |
2009 | */ | |
2010 | btusb_intel_bootup(data, ptr, len); | |
2011 | break; | |
2012 | case 0x06: | |
2013 | /* When the firmware loading completes the | |
2014 | * device sends out a vendor specific event | |
2015 | * indicating the result of the firmware | |
2016 | * loading. | |
2017 | */ | |
2018 | btusb_intel_secure_send_result(data, ptr, len); | |
2019 | break; | |
fad70972 | 2020 | } |
cda0dd78 MH |
2021 | } |
2022 | } | |
2023 | ||
2024 | return hci_recv_frame(hdev, skb); | |
2025 | } | |
2026 | ||
2027 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
2028 | { | |
2029 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2030 | struct urb *urb; | |
2031 | ||
2032 | BT_DBG("%s", hdev->name); | |
2033 | ||
618e8bc2 | 2034 | switch (hci_skb_pkt_type(skb)) { |
cda0dd78 MH |
2035 | case HCI_COMMAND_PKT: |
2036 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
2037 | struct hci_command_hdr *cmd = (void *)skb->data; | |
2038 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
2039 | ||
2040 | /* When in bootloader mode and the command 0xfc09 | |
2041 | * is received, it needs to be send down the | |
2042 | * bulk endpoint. So allocate a bulk URB instead. | |
2043 | */ | |
2044 | if (opcode == 0xfc09) | |
2045 | urb = alloc_bulk_urb(hdev, skb); | |
2046 | else | |
2047 | urb = alloc_ctrl_urb(hdev, skb); | |
2048 | ||
2049 | /* When the 0xfc01 command is issued to boot into | |
2050 | * the operational firmware, it will actually not | |
2051 | * send a command complete event. To keep the flow | |
2052 | * control working inject that event here. | |
2053 | */ | |
2054 | if (opcode == 0xfc01) | |
2055 | inject_cmd_complete(hdev, opcode); | |
2056 | } else { | |
2057 | urb = alloc_ctrl_urb(hdev, skb); | |
2058 | } | |
2059 | if (IS_ERR(urb)) | |
2060 | return PTR_ERR(urb); | |
2061 | ||
2062 | hdev->stat.cmd_tx++; | |
2063 | return submit_or_queue_tx_urb(hdev, urb); | |
2064 | ||
2065 | case HCI_ACLDATA_PKT: | |
2066 | urb = alloc_bulk_urb(hdev, skb); | |
2067 | if (IS_ERR(urb)) | |
2068 | return PTR_ERR(urb); | |
2069 | ||
2070 | hdev->stat.acl_tx++; | |
2071 | return submit_or_queue_tx_urb(hdev, urb); | |
2072 | ||
2073 | case HCI_SCODATA_PKT: | |
2074 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
2075 | return -ENODEV; | |
2076 | ||
2077 | urb = alloc_isoc_urb(hdev, skb); | |
2078 | if (IS_ERR(urb)) | |
2079 | return PTR_ERR(urb); | |
2080 | ||
2081 | hdev->stat.sco_tx++; | |
2082 | return submit_tx_urb(hdev, urb); | |
2083 | } | |
2084 | ||
2085 | return -EILSEQ; | |
2086 | } | |
2087 | ||
2da711bc RH |
2088 | static bool btusb_setup_intel_new_get_fw_name(struct intel_version *ver, |
2089 | struct intel_boot_params *params, | |
2090 | char *fw_name, size_t len, | |
2091 | const char *suffix) | |
2092 | { | |
2093 | switch (ver->hw_variant) { | |
2094 | case 0x0b: /* SfP */ | |
2095 | case 0x0c: /* WsP */ | |
2096 | snprintf(fw_name, len, "intel/ibt-%u-%u.%s", | |
2097 | le16_to_cpu(ver->hw_variant), | |
2098 | le16_to_cpu(params->dev_revid), | |
2099 | suffix); | |
2100 | break; | |
2101 | case 0x11: /* JfP */ | |
2102 | case 0x12: /* ThP */ | |
2103 | case 0x13: /* HrP */ | |
2104 | case 0x14: /* CcP */ | |
2105 | snprintf(fw_name, len, "intel/ibt-%u-%u-%u.%s", | |
2106 | le16_to_cpu(ver->hw_variant), | |
2107 | le16_to_cpu(ver->hw_revision), | |
2108 | le16_to_cpu(ver->fw_revision), | |
2109 | suffix); | |
2110 | break; | |
2111 | default: | |
2112 | return false; | |
2113 | } | |
2114 | return true; | |
2115 | } | |
2116 | ||
cda0dd78 MH |
2117 | static int btusb_setup_intel_new(struct hci_dev *hdev) |
2118 | { | |
cda0dd78 | 2119 | struct btusb_data *data = hci_get_drvdata(hdev); |
6c483de1 | 2120 | struct intel_version ver; |
faf174d2 | 2121 | struct intel_boot_params params; |
cda0dd78 | 2122 | const struct firmware *fw; |
e5889af6 | 2123 | u32 boot_param; |
cda0dd78 MH |
2124 | char fwname[64]; |
2125 | ktime_t calltime, delta, rettime; | |
2126 | unsigned long long duration; | |
2127 | int err; | |
2128 | ||
2129 | BT_DBG("%s", hdev->name); | |
2130 | ||
04d729b8 THJA |
2131 | /* Set the default boot parameter to 0x0 and it is updated to |
2132 | * SKU specific boot parameter after reading Intel_Write_Boot_Params | |
2133 | * command while downloading the firmware. | |
2134 | */ | |
2135 | boot_param = 0x00000000; | |
e5889af6 | 2136 | |
cda0dd78 MH |
2137 | calltime = ktime_get(); |
2138 | ||
2139 | /* Read the Intel version information to determine if the device | |
2140 | * is in bootloader mode or if it already has operational firmware | |
2141 | * loaded. | |
2142 | */ | |
6c483de1 LP |
2143 | err = btintel_read_version(hdev, &ver); |
2144 | if (err) | |
2145 | return err; | |
cda0dd78 MH |
2146 | |
2147 | /* The hardware platform number has a fixed value of 0x37 and | |
2148 | * for now only accept this single value. | |
2149 | */ | |
6c483de1 | 2150 | if (ver.hw_platform != 0x37) { |
85418fef MH |
2151 | bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)", |
2152 | ver.hw_platform); | |
cda0dd78 MH |
2153 | return -EINVAL; |
2154 | } | |
2155 | ||
9268834b THJA |
2156 | /* Check for supported iBT hardware variants of this firmware |
2157 | * loading method. | |
a0af53b5 THJA |
2158 | * |
2159 | * This check has been put in place to ensure correct forward | |
2160 | * compatibility options when newer hardware variants come along. | |
cda0dd78 | 2161 | */ |
9268834b THJA |
2162 | switch (ver.hw_variant) { |
2163 | case 0x0b: /* SfP */ | |
2164 | case 0x0c: /* WsP */ | |
86a6129a | 2165 | case 0x11: /* JfP */ |
de766142 | 2166 | case 0x12: /* ThP */ |
1ce0cec1 | 2167 | case 0x13: /* HrP */ |
2da711bc | 2168 | case 0x14: /* CcP */ |
9268834b THJA |
2169 | break; |
2170 | default: | |
85418fef MH |
2171 | bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)", |
2172 | ver.hw_variant); | |
cda0dd78 MH |
2173 | return -EINVAL; |
2174 | } | |
2175 | ||
6c483de1 | 2176 | btintel_version_info(hdev, &ver); |
cda0dd78 MH |
2177 | |
2178 | /* The firmware variant determines if the device is in bootloader | |
2179 | * mode or is running operational firmware. The value 0x06 identifies | |
2180 | * the bootloader and the value 0x23 identifies the operational | |
2181 | * firmware. | |
2182 | * | |
2183 | * When the operational firmware is already present, then only | |
2184 | * the check for valid Bluetooth device address is needed. This | |
2185 | * determines if the device will be added as configured or | |
2186 | * unconfigured controller. | |
2187 | * | |
2188 | * It is not possible to use the Secure Boot Parameters in this | |
2189 | * case since that command is only available in bootloader mode. | |
2190 | */ | |
6c483de1 | 2191 | if (ver.fw_variant == 0x23) { |
cda0dd78 | 2192 | clear_bit(BTUSB_BOOTLOADER, &data->flags); |
4185a0f5 | 2193 | btintel_check_bdaddr(hdev); |
cda0dd78 MH |
2194 | return 0; |
2195 | } | |
2196 | ||
2197 | /* If the device is not in bootloader mode, then the only possible | |
2198 | * choice is to return an error and abort the device initialization. | |
2199 | */ | |
6c483de1 | 2200 | if (ver.fw_variant != 0x06) { |
85418fef MH |
2201 | bt_dev_err(hdev, "Unsupported Intel firmware variant (%u)", |
2202 | ver.fw_variant); | |
cda0dd78 MH |
2203 | return -ENODEV; |
2204 | } | |
2205 | ||
cda0dd78 MH |
2206 | /* Read the secure boot parameters to identify the operating |
2207 | * details of the bootloader. | |
2208 | */ | |
faf174d2 THJA |
2209 | err = btintel_read_boot_params(hdev, ¶ms); |
2210 | if (err) | |
2211 | return err; | |
cda0dd78 MH |
2212 | |
2213 | /* It is required that every single firmware fragment is acknowledged | |
2214 | * with a command complete event. If the boot parameters indicate | |
2215 | * that this bootloader does not send them, then abort the setup. | |
2216 | */ | |
faf174d2 | 2217 | if (params.limited_cce != 0x00) { |
85418fef MH |
2218 | bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)", |
2219 | params.limited_cce); | |
cda0dd78 MH |
2220 | return -EINVAL; |
2221 | } | |
2222 | ||
2223 | /* If the OTP has no valid Bluetooth device address, then there will | |
2224 | * also be no valid address for the operational firmware. | |
2225 | */ | |
faf174d2 | 2226 | if (!bacmp(¶ms.otp_bdaddr, BDADDR_ANY)) { |
2064ee33 | 2227 | bt_dev_info(hdev, "No device address configured"); |
cda0dd78 MH |
2228 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
2229 | } | |
2230 | ||
2231 | /* With this Intel bootloader only the hardware variant and device | |
af3715e5 J |
2232 | * revision information are used to select the right firmware for SfP |
2233 | * and WsP. | |
cda0dd78 | 2234 | * |
230b04ac THJA |
2235 | * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi. |
2236 | * | |
2237 | * Currently the supported hardware variants are: | |
2238 | * 11 (0x0b) for iBT3.0 (LnP/SfP) | |
2239 | * 12 (0x0c) for iBT3.5 (WsP) | |
af3715e5 J |
2240 | * |
2241 | * For ThP/JfP and for future SKU's, the FW name varies based on HW | |
2242 | * variant, HW revision and FW revision, as these are dependent on CNVi | |
2243 | * and RF Combination. | |
2244 | * | |
86a6129a THJA |
2245 | * 17 (0x11) for iBT3.5 (JfP) |
2246 | * 18 (0x12) for iBT3.5 (ThP) | |
af3715e5 J |
2247 | * |
2248 | * The firmware file name for these will be | |
2249 | * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi. | |
2250 | * | |
cda0dd78 | 2251 | */ |
2da711bc RH |
2252 | err = btusb_setup_intel_new_get_fw_name(&ver, ¶ms, fwname, |
2253 | sizeof(fwname), "sfi"); | |
2254 | if (!err) { | |
85418fef | 2255 | bt_dev_err(hdev, "Unsupported Intel firmware naming"); |
af3715e5 J |
2256 | return -EINVAL; |
2257 | } | |
cda0dd78 MH |
2258 | |
2259 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2260 | if (err < 0) { | |
85418fef | 2261 | bt_dev_err(hdev, "Failed to load Intel firmware file (%d)", err); |
cda0dd78 MH |
2262 | return err; |
2263 | } | |
2264 | ||
2064ee33 | 2265 | bt_dev_info(hdev, "Found device firmware: %s", fwname); |
cda0dd78 | 2266 | |
52cc9168 THJA |
2267 | /* Save the DDC file name for later use to apply once the firmware |
2268 | * downloading is done. | |
2269 | */ | |
2da711bc RH |
2270 | err = btusb_setup_intel_new_get_fw_name(&ver, ¶ms, fwname, |
2271 | sizeof(fwname), "ddc"); | |
2272 | if (!err) { | |
85418fef | 2273 | bt_dev_err(hdev, "Unsupported Intel firmware naming"); |
af3715e5 J |
2274 | return -EINVAL; |
2275 | } | |
52cc9168 | 2276 | |
cda0dd78 | 2277 | if (fw->size < 644) { |
85418fef MH |
2278 | bt_dev_err(hdev, "Invalid size of firmware file (%zu)", |
2279 | fw->size); | |
cda0dd78 MH |
2280 | err = -EBADF; |
2281 | goto done; | |
2282 | } | |
2283 | ||
2284 | set_bit(BTUSB_DOWNLOADING, &data->flags); | |
2285 | ||
fbbe83c5 THJA |
2286 | /* Start firmware downloading and get boot parameter */ |
2287 | err = btintel_download_firmware(hdev, fw, &boot_param); | |
2288 | if (err < 0) | |
cda0dd78 | 2289 | goto done; |
cda0dd78 | 2290 | |
ce6bb929 MH |
2291 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); |
2292 | ||
2064ee33 | 2293 | bt_dev_info(hdev, "Waiting for firmware download to complete"); |
a087a98e | 2294 | |
cda0dd78 MH |
2295 | /* Before switching the device into operational mode and with that |
2296 | * booting the loaded firmware, wait for the bootloader notification | |
2297 | * that all fragments have been successfully received. | |
2298 | * | |
a087a98e JH |
2299 | * When the event processing receives the notification, then the |
2300 | * BTUSB_DOWNLOADING flag will be cleared. | |
2301 | * | |
2302 | * The firmware loading should not take longer than 5 seconds | |
2303 | * and thus just timeout if that happens and fail the setup | |
2304 | * of this device. | |
cda0dd78 | 2305 | */ |
129a7693 JH |
2306 | err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, |
2307 | TASK_INTERRUPTIBLE, | |
2308 | msecs_to_jiffies(5000)); | |
f0a70a04 | 2309 | if (err == -EINTR) { |
85418fef | 2310 | bt_dev_err(hdev, "Firmware loading interrupted"); |
a087a98e JH |
2311 | goto done; |
2312 | } | |
cda0dd78 | 2313 | |
a087a98e | 2314 | if (err) { |
85418fef | 2315 | bt_dev_err(hdev, "Firmware loading timeout"); |
a087a98e JH |
2316 | err = -ETIMEDOUT; |
2317 | goto done; | |
cda0dd78 MH |
2318 | } |
2319 | ||
2320 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { | |
85418fef | 2321 | bt_dev_err(hdev, "Firmware loading failed"); |
cda0dd78 MH |
2322 | err = -ENOEXEC; |
2323 | goto done; | |
2324 | } | |
2325 | ||
2326 | rettime = ktime_get(); | |
2327 | delta = ktime_sub(rettime, calltime); | |
2328 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2329 | ||
2064ee33 | 2330 | bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration); |
cda0dd78 MH |
2331 | |
2332 | done: | |
2333 | release_firmware(fw); | |
2334 | ||
2335 | if (err < 0) | |
2336 | return err; | |
2337 | ||
2338 | calltime = ktime_get(); | |
2339 | ||
2340 | set_bit(BTUSB_BOOTING, &data->flags); | |
2341 | ||
e5889af6 THJA |
2342 | err = btintel_send_intel_reset(hdev, boot_param); |
2343 | if (err) | |
2344 | return err; | |
cda0dd78 MH |
2345 | |
2346 | /* The bootloader will not indicate when the device is ready. This | |
2347 | * is done by the operational firmware sending bootup notification. | |
fad70972 JH |
2348 | * |
2349 | * Booting into operational firmware should not take longer than | |
2350 | * 1 second. However if that happens, then just fail the setup | |
2351 | * since something went wrong. | |
cda0dd78 | 2352 | */ |
2064ee33 | 2353 | bt_dev_info(hdev, "Waiting for device to boot"); |
cda0dd78 | 2354 | |
129a7693 JH |
2355 | err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, |
2356 | TASK_INTERRUPTIBLE, | |
2357 | msecs_to_jiffies(1000)); | |
cda0dd78 | 2358 | |
f0a70a04 | 2359 | if (err == -EINTR) { |
85418fef | 2360 | bt_dev_err(hdev, "Device boot interrupted"); |
fad70972 JH |
2361 | return -EINTR; |
2362 | } | |
cda0dd78 | 2363 | |
fad70972 | 2364 | if (err) { |
85418fef | 2365 | bt_dev_err(hdev, "Device boot timeout"); |
fad70972 | 2366 | return -ETIMEDOUT; |
cda0dd78 MH |
2367 | } |
2368 | ||
2369 | rettime = ktime_get(); | |
2370 | delta = ktime_sub(rettime, calltime); | |
2371 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2372 | ||
2064ee33 | 2373 | bt_dev_info(hdev, "Device booted in %llu usecs", duration); |
cda0dd78 MH |
2374 | |
2375 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2376 | ||
52cc9168 THJA |
2377 | /* Once the device is running in operational mode, it needs to apply |
2378 | * the device configuration (DDC) parameters. | |
2379 | * | |
2380 | * The device can work without DDC parameters, so even if it fails | |
2381 | * to load the file, no need to fail the setup. | |
2382 | */ | |
e924d3d6 | 2383 | btintel_load_ddc_config(hdev, fwname); |
52cc9168 | 2384 | |
213445b2 MH |
2385 | /* Set the event mask for Intel specific vendor events. This enables |
2386 | * a few extra events that are useful during general operation. It | |
2387 | * does not enable any debugging related events. | |
2388 | * | |
2389 | * The device will function correctly without these events enabled | |
2390 | * and thus no need to fail the setup. | |
2391 | */ | |
2392 | btintel_set_event_mask(hdev, false); | |
2393 | ||
cda0dd78 MH |
2394 | return 0; |
2395 | } | |
2396 | ||
bfbd45e9 THJA |
2397 | static int btusb_shutdown_intel(struct hci_dev *hdev) |
2398 | { | |
2399 | struct sk_buff *skb; | |
2400 | long ret; | |
2401 | ||
1313bccf AB |
2402 | /* In the shutdown sequence where Bluetooth is turned off followed |
2403 | * by WiFi being turned off, turning WiFi back on causes issue with | |
2404 | * the RF calibration. | |
2405 | * | |
2406 | * To ensure that any RF activity has been stopped, issue HCI Reset | |
2407 | * command to clear all ongoing activity including advertising, | |
2408 | * scanning etc. | |
2409 | */ | |
2410 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2411 | if (IS_ERR(skb)) { | |
2412 | ret = PTR_ERR(skb); | |
2413 | bt_dev_err(hdev, "HCI reset during shutdown failed"); | |
2414 | return ret; | |
2415 | } | |
2416 | kfree_skb(skb); | |
2417 | ||
bfbd45e9 THJA |
2418 | /* Some platforms have an issue with BT LED when the interface is |
2419 | * down or BT radio is turned off, which takes 5 seconds to BT LED | |
2420 | * goes off. This command turns off the BT LED immediately. | |
2421 | */ | |
2422 | skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); | |
2423 | if (IS_ERR(skb)) { | |
2424 | ret = PTR_ERR(skb); | |
85418fef | 2425 | bt_dev_err(hdev, "turning off Intel device LED failed"); |
bfbd45e9 THJA |
2426 | return ret; |
2427 | } | |
2428 | kfree_skb(skb); | |
2429 | ||
2430 | return 0; | |
2431 | } | |
2432 | ||
017a01cc RH |
2433 | static int btusb_shutdown_intel_new(struct hci_dev *hdev) |
2434 | { | |
2435 | struct sk_buff *skb; | |
2436 | ||
2437 | /* Send HCI Reset to the controller to stop any BT activity which | |
2438 | * were triggered. This will help to save power and maintain the | |
2439 | * sync b/w Host and controller | |
2440 | */ | |
2441 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2442 | if (IS_ERR(skb)) { | |
2443 | bt_dev_err(hdev, "HCI reset during shutdown failed"); | |
2444 | return PTR_ERR(skb); | |
2445 | } | |
2446 | kfree_skb(skb); | |
2447 | ||
2448 | return 0; | |
2449 | } | |
2450 | ||
a1c49c43 SW |
2451 | #ifdef CONFIG_BT_HCIBTUSB_MTK |
2452 | ||
9ce67c32 | 2453 | #define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin" |
a1c49c43 SW |
2454 | #define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin" |
2455 | ||
2456 | #define HCI_WMT_MAX_EVENT_SIZE 64 | |
2457 | ||
2458 | enum { | |
2459 | BTMTK_WMT_PATCH_DWNLD = 0x1, | |
2460 | BTMTK_WMT_FUNC_CTRL = 0x6, | |
2461 | BTMTK_WMT_RST = 0x7, | |
2462 | BTMTK_WMT_SEMAPHORE = 0x17, | |
2463 | }; | |
2464 | ||
2465 | enum { | |
2466 | BTMTK_WMT_INVALID, | |
2467 | BTMTK_WMT_PATCH_UNDONE, | |
2468 | BTMTK_WMT_PATCH_DONE, | |
2469 | BTMTK_WMT_ON_UNDONE, | |
2470 | BTMTK_WMT_ON_DONE, | |
2471 | BTMTK_WMT_ON_PROGRESS, | |
2472 | }; | |
2473 | ||
2474 | struct btmtk_wmt_hdr { | |
2475 | u8 dir; | |
2476 | u8 op; | |
2477 | __le16 dlen; | |
2478 | u8 flag; | |
2479 | } __packed; | |
2480 | ||
2481 | struct btmtk_hci_wmt_cmd { | |
2482 | struct btmtk_wmt_hdr hdr; | |
2483 | u8 data[256]; | |
2484 | } __packed; | |
2485 | ||
2486 | struct btmtk_hci_wmt_evt { | |
2487 | struct hci_event_hdr hhdr; | |
2488 | struct btmtk_wmt_hdr whdr; | |
2489 | } __packed; | |
2490 | ||
2491 | struct btmtk_hci_wmt_evt_funcc { | |
2492 | struct btmtk_hci_wmt_evt hwhdr; | |
2493 | __be16 status; | |
2494 | } __packed; | |
2495 | ||
2496 | struct btmtk_tci_sleep { | |
2497 | u8 mode; | |
2498 | __le16 duration; | |
2499 | __le16 host_duration; | |
2500 | u8 host_wakeup_pin; | |
2501 | u8 time_compensation; | |
2502 | } __packed; | |
2503 | ||
2504 | struct btmtk_hci_wmt_params { | |
2505 | u8 op; | |
2506 | u8 flag; | |
2507 | u16 dlen; | |
2508 | const void *data; | |
2509 | u32 *status; | |
2510 | }; | |
2511 | ||
2512 | static void btusb_mtk_wmt_recv(struct urb *urb) | |
2513 | { | |
2514 | struct hci_dev *hdev = urb->context; | |
2515 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2516 | struct hci_event_hdr *hdr; | |
2517 | struct sk_buff *skb; | |
2518 | int err; | |
2519 | ||
2520 | if (urb->status == 0 && urb->actual_length > 0) { | |
2521 | hdev->stat.byte_rx += urb->actual_length; | |
2522 | ||
2523 | /* WMT event shouldn't be fragmented and the size should be | |
2524 | * less than HCI_WMT_MAX_EVENT_SIZE. | |
2525 | */ | |
2526 | skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC); | |
2527 | if (!skb) { | |
2528 | hdev->stat.err_rx++; | |
2529 | goto err_out; | |
2530 | } | |
2531 | ||
2532 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; | |
2533 | skb_put_data(skb, urb->transfer_buffer, urb->actual_length); | |
2534 | ||
2535 | hdr = (void *)skb->data; | |
2536 | /* Fix up the vendor event id with 0xff for vendor specific | |
2537 | * instead of 0xe4 so that event send via monitoring socket can | |
2538 | * be parsed properly. | |
2539 | */ | |
2540 | hdr->evt = 0xff; | |
2541 | ||
2542 | /* When someone waits for the WMT event, the skb is being cloned | |
2543 | * and being processed the events from there then. | |
2544 | */ | |
2545 | if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) { | |
2546 | data->evt_skb = skb_clone(skb, GFP_KERNEL); | |
2547 | if (!data->evt_skb) | |
2548 | goto err_out; | |
2549 | } | |
2550 | ||
2551 | err = hci_recv_frame(hdev, skb); | |
2552 | if (err < 0) | |
2553 | goto err_free_skb; | |
2554 | ||
2555 | if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT, | |
2556 | &data->flags)) { | |
2557 | /* Barrier to sync with other CPUs */ | |
2558 | smp_mb__after_atomic(); | |
2559 | wake_up_bit(&data->flags, | |
2560 | BTUSB_TX_WAIT_VND_EVT); | |
2561 | } | |
2562 | err_out: | |
2563 | return; | |
2564 | err_free_skb: | |
2565 | kfree_skb(data->evt_skb); | |
2566 | data->evt_skb = NULL; | |
2567 | return; | |
2568 | } else if (urb->status == -ENOENT) { | |
2569 | /* Avoid suspend failed when usb_kill_urb */ | |
2570 | return; | |
2571 | } | |
2572 | ||
2573 | usb_mark_last_busy(data->udev); | |
2574 | ||
2575 | /* The URB complete handler is still called with urb->actual_length = 0 | |
2576 | * when the event is not available, so we should keep re-submitting | |
2577 | * URB until WMT event returns, Also, It's necessary to wait some time | |
2578 | * between the two consecutive control URBs to relax the target device | |
2579 | * to generate the event. Otherwise, the WMT event cannot return from | |
2580 | * the device successfully. | |
2581 | */ | |
2582 | udelay(100); | |
2583 | ||
2584 | usb_anchor_urb(urb, &data->ctrl_anchor); | |
2585 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
2586 | if (err < 0) { | |
2587 | /* -EPERM: urb is being killed; | |
2588 | * -ENODEV: device got disconnected | |
2589 | */ | |
2590 | if (err != -EPERM && err != -ENODEV) | |
2591 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", | |
2592 | urb, -err); | |
2593 | usb_unanchor_urb(urb); | |
2594 | } | |
2595 | } | |
2596 | ||
2597 | static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev) | |
2598 | { | |
2599 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2600 | struct usb_ctrlrequest *dr; | |
2601 | unsigned char *buf; | |
2602 | int err, size = 64; | |
2603 | unsigned int pipe; | |
2604 | struct urb *urb; | |
2605 | ||
2606 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
2607 | if (!urb) | |
2608 | return -ENOMEM; | |
2609 | ||
2610 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); | |
2611 | if (!dr) { | |
2612 | usb_free_urb(urb); | |
2613 | return -ENOMEM; | |
2614 | } | |
2615 | ||
2616 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN; | |
2617 | dr->bRequest = 1; | |
2618 | dr->wIndex = cpu_to_le16(0); | |
2619 | dr->wValue = cpu_to_le16(48); | |
2620 | dr->wLength = cpu_to_le16(size); | |
2621 | ||
2622 | buf = kmalloc(size, GFP_KERNEL); | |
2623 | if (!buf) { | |
2624 | kfree(dr); | |
2625 | return -ENOMEM; | |
2626 | } | |
2627 | ||
2628 | pipe = usb_rcvctrlpipe(data->udev, 0); | |
2629 | ||
2630 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, | |
2631 | buf, size, btusb_mtk_wmt_recv, hdev); | |
2632 | ||
2633 | urb->transfer_flags |= URB_FREE_BUFFER; | |
2634 | ||
2635 | usb_anchor_urb(urb, &data->ctrl_anchor); | |
2636 | err = usb_submit_urb(urb, GFP_KERNEL); | |
2637 | if (err < 0) { | |
2638 | if (err != -EPERM && err != -ENODEV) | |
2639 | bt_dev_err(hdev, "urb %p submission failed (%d)", | |
2640 | urb, -err); | |
2641 | usb_unanchor_urb(urb); | |
2642 | } | |
2643 | ||
2644 | usb_free_urb(urb); | |
2645 | ||
2646 | return err; | |
2647 | } | |
2648 | ||
2649 | static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev, | |
2650 | struct btmtk_hci_wmt_params *wmt_params) | |
2651 | { | |
2652 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2653 | struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc; | |
2654 | u32 hlen, status = BTMTK_WMT_INVALID; | |
2655 | struct btmtk_hci_wmt_evt *wmt_evt; | |
2656 | struct btmtk_hci_wmt_cmd wc; | |
2657 | struct btmtk_wmt_hdr *hdr; | |
2658 | int err; | |
2659 | ||
2660 | /* Submit control IN URB on demand to process the WMT event */ | |
2661 | err = btusb_mtk_submit_wmt_recv_urb(hdev); | |
2662 | if (err < 0) | |
2663 | return err; | |
2664 | ||
2665 | /* Send the WMT command and wait until the WMT event returns */ | |
2666 | hlen = sizeof(*hdr) + wmt_params->dlen; | |
2667 | if (hlen > 255) | |
2668 | return -EINVAL; | |
2669 | ||
2670 | hdr = (struct btmtk_wmt_hdr *)&wc; | |
2671 | hdr->dir = 1; | |
2672 | hdr->op = wmt_params->op; | |
2673 | hdr->dlen = cpu_to_le16(wmt_params->dlen + 1); | |
2674 | hdr->flag = wmt_params->flag; | |
2675 | memcpy(wc.data, wmt_params->data, wmt_params->dlen); | |
2676 | ||
2677 | set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); | |
2678 | ||
2679 | err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc); | |
2680 | ||
2681 | if (err < 0) { | |
2682 | clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); | |
2683 | return err; | |
2684 | } | |
2685 | ||
2686 | /* The vendor specific WMT commands are all answered by a vendor | |
2687 | * specific event and will have the Command Status or Command | |
2688 | * Complete as with usual HCI command flow control. | |
2689 | * | |
2690 | * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT | |
2691 | * state to be cleared. The driver specific event receive routine | |
2692 | * will clear that state and with that indicate completion of the | |
2693 | * WMT command. | |
2694 | */ | |
2695 | err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT, | |
2696 | TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT); | |
2697 | if (err == -EINTR) { | |
2698 | bt_dev_err(hdev, "Execution of wmt command interrupted"); | |
2699 | clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); | |
2700 | return err; | |
2701 | } | |
2702 | ||
2703 | if (err) { | |
2704 | bt_dev_err(hdev, "Execution of wmt command timed out"); | |
2705 | clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); | |
2706 | return -ETIMEDOUT; | |
2707 | } | |
2708 | ||
2709 | /* Parse and handle the return WMT event */ | |
2710 | wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data; | |
2711 | if (wmt_evt->whdr.op != hdr->op) { | |
2712 | bt_dev_err(hdev, "Wrong op received %d expected %d", | |
2713 | wmt_evt->whdr.op, hdr->op); | |
2714 | err = -EIO; | |
2715 | goto err_free_skb; | |
2716 | } | |
2717 | ||
2718 | switch (wmt_evt->whdr.op) { | |
2719 | case BTMTK_WMT_SEMAPHORE: | |
2720 | if (wmt_evt->whdr.flag == 2) | |
2721 | status = BTMTK_WMT_PATCH_UNDONE; | |
2722 | else | |
2723 | status = BTMTK_WMT_PATCH_DONE; | |
2724 | break; | |
2725 | case BTMTK_WMT_FUNC_CTRL: | |
2726 | wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt; | |
2727 | if (be16_to_cpu(wmt_evt_funcc->status) == 0x404) | |
2728 | status = BTMTK_WMT_ON_DONE; | |
2729 | else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420) | |
2730 | status = BTMTK_WMT_ON_PROGRESS; | |
2731 | else | |
2732 | status = BTMTK_WMT_ON_UNDONE; | |
2733 | break; | |
2734 | } | |
2735 | ||
2736 | if (wmt_params->status) | |
2737 | *wmt_params->status = status; | |
2738 | ||
2739 | err_free_skb: | |
2740 | kfree_skb(data->evt_skb); | |
2741 | data->evt_skb = NULL; | |
2742 | ||
2743 | return err; | |
2744 | } | |
2745 | ||
2746 | static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname) | |
2747 | { | |
2748 | struct btmtk_hci_wmt_params wmt_params; | |
2749 | const struct firmware *fw; | |
2750 | const u8 *fw_ptr; | |
2751 | size_t fw_size; | |
2752 | int err, dlen; | |
2753 | u8 flag; | |
2754 | ||
2755 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2756 | if (err < 0) { | |
2757 | bt_dev_err(hdev, "Failed to load firmware file (%d)", err); | |
2758 | return err; | |
2759 | } | |
2760 | ||
2761 | fw_ptr = fw->data; | |
2762 | fw_size = fw->size; | |
2763 | ||
2764 | /* The size of patch header is 30 bytes, should be skip */ | |
5ee6310f WY |
2765 | if (fw_size < 30) { |
2766 | err = -EINVAL; | |
a1c49c43 | 2767 | goto err_release_fw; |
5ee6310f | 2768 | } |
a1c49c43 SW |
2769 | |
2770 | fw_size -= 30; | |
2771 | fw_ptr += 30; | |
2772 | flag = 1; | |
2773 | ||
2774 | wmt_params.op = BTMTK_WMT_PATCH_DWNLD; | |
2775 | wmt_params.status = NULL; | |
2776 | ||
2777 | while (fw_size > 0) { | |
2778 | dlen = min_t(int, 250, fw_size); | |
2779 | ||
2780 | /* Tell deivice the position in sequence */ | |
2781 | if (fw_size - dlen <= 0) | |
2782 | flag = 3; | |
2783 | else if (fw_size < fw->size - 30) | |
2784 | flag = 2; | |
2785 | ||
2786 | wmt_params.flag = flag; | |
2787 | wmt_params.dlen = dlen; | |
2788 | wmt_params.data = fw_ptr; | |
2789 | ||
2790 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
2791 | if (err < 0) { | |
2792 | bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)", | |
2793 | err); | |
2794 | goto err_release_fw; | |
2795 | } | |
2796 | ||
2797 | fw_size -= dlen; | |
2798 | fw_ptr += dlen; | |
2799 | } | |
2800 | ||
2801 | wmt_params.op = BTMTK_WMT_RST; | |
2802 | wmt_params.flag = 4; | |
2803 | wmt_params.dlen = 0; | |
2804 | wmt_params.data = NULL; | |
2805 | wmt_params.status = NULL; | |
2806 | ||
2807 | /* Activate funciton the firmware providing to */ | |
2808 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
2809 | if (err < 0) { | |
2810 | bt_dev_err(hdev, "Failed to send wmt rst (%d)", err); | |
2811 | return err; | |
2812 | } | |
2813 | ||
2814 | /* Wait a few moments for firmware activation done */ | |
2815 | usleep_range(10000, 12000); | |
2816 | ||
2817 | err_release_fw: | |
2818 | release_firmware(fw); | |
2819 | ||
2820 | return err; | |
2821 | } | |
2822 | ||
2823 | static int btusb_mtk_func_query(struct hci_dev *hdev) | |
2824 | { | |
2825 | struct btmtk_hci_wmt_params wmt_params; | |
2826 | int status, err; | |
2827 | u8 param = 0; | |
2828 | ||
2829 | /* Query whether the function is enabled */ | |
2830 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; | |
2831 | wmt_params.flag = 4; | |
2832 | wmt_params.dlen = sizeof(param); | |
2833 | wmt_params.data = ¶m; | |
2834 | wmt_params.status = &status; | |
2835 | ||
2836 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
2837 | if (err < 0) { | |
2838 | bt_dev_err(hdev, "Failed to query function status (%d)", err); | |
2839 | return err; | |
2840 | } | |
2841 | ||
2842 | return status; | |
2843 | } | |
2844 | ||
2845 | static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val) | |
2846 | { | |
2847 | int pipe, err, size = sizeof(u32); | |
2848 | void *buf; | |
2849 | ||
2850 | buf = kzalloc(size, GFP_KERNEL); | |
2851 | if (!buf) | |
2852 | return -ENOMEM; | |
2853 | ||
2854 | pipe = usb_rcvctrlpipe(data->udev, 0); | |
2855 | err = usb_control_msg(data->udev, pipe, 0x63, | |
2856 | USB_TYPE_VENDOR | USB_DIR_IN, | |
2857 | reg >> 16, reg & 0xffff, | |
2858 | buf, size, USB_CTRL_SET_TIMEOUT); | |
2859 | if (err < 0) | |
2860 | goto err_free_buf; | |
2861 | ||
2862 | *val = get_unaligned_le32(buf); | |
2863 | ||
2864 | err_free_buf: | |
2865 | kfree(buf); | |
2866 | ||
2867 | return err; | |
2868 | } | |
2869 | ||
2870 | static int btusb_mtk_id_get(struct btusb_data *data, u32 *id) | |
2871 | { | |
2872 | return btusb_mtk_reg_read(data, 0x80000008, id); | |
2873 | } | |
2874 | ||
2875 | static int btusb_mtk_setup(struct hci_dev *hdev) | |
2876 | { | |
2877 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2878 | struct btmtk_hci_wmt_params wmt_params; | |
2879 | ktime_t calltime, delta, rettime; | |
2880 | struct btmtk_tci_sleep tci_sleep; | |
2881 | unsigned long long duration; | |
2882 | struct sk_buff *skb; | |
2883 | const char *fwname; | |
2884 | int err, status; | |
2885 | u32 dev_id; | |
2886 | u8 param; | |
2887 | ||
2888 | calltime = ktime_get(); | |
2889 | ||
2890 | err = btusb_mtk_id_get(data, &dev_id); | |
2891 | if (err < 0) { | |
2892 | bt_dev_err(hdev, "Failed to get device id (%d)", err); | |
2893 | return err; | |
2894 | } | |
2895 | ||
2896 | switch (dev_id) { | |
9ce67c32 SW |
2897 | case 0x7663: |
2898 | fwname = FIRMWARE_MT7663; | |
2899 | break; | |
a1c49c43 SW |
2900 | case 0x7668: |
2901 | fwname = FIRMWARE_MT7668; | |
2902 | break; | |
2903 | default: | |
2904 | bt_dev_err(hdev, "Unsupported support hardware variant (%08x)", | |
2905 | dev_id); | |
2906 | return -ENODEV; | |
2907 | } | |
2908 | ||
2909 | /* Query whether the firmware is already download */ | |
2910 | wmt_params.op = BTMTK_WMT_SEMAPHORE; | |
2911 | wmt_params.flag = 1; | |
2912 | wmt_params.dlen = 0; | |
2913 | wmt_params.data = NULL; | |
2914 | wmt_params.status = &status; | |
2915 | ||
2916 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
2917 | if (err < 0) { | |
2918 | bt_dev_err(hdev, "Failed to query firmware status (%d)", err); | |
2919 | return err; | |
2920 | } | |
2921 | ||
2922 | if (status == BTMTK_WMT_PATCH_DONE) { | |
2923 | bt_dev_info(hdev, "firmware already downloaded"); | |
2924 | goto ignore_setup_fw; | |
2925 | } | |
2926 | ||
2927 | /* Setup a firmware which the device definitely requires */ | |
2928 | err = btusb_mtk_setup_firmware(hdev, fwname); | |
2929 | if (err < 0) | |
2930 | return err; | |
2931 | ||
2932 | ignore_setup_fw: | |
2933 | err = readx_poll_timeout(btusb_mtk_func_query, hdev, status, | |
2934 | status < 0 || status != BTMTK_WMT_ON_PROGRESS, | |
2935 | 2000, 5000000); | |
2936 | /* -ETIMEDOUT happens */ | |
2937 | if (err < 0) | |
2938 | return err; | |
2939 | ||
2940 | /* The other errors happen in btusb_mtk_func_query */ | |
2941 | if (status < 0) | |
2942 | return status; | |
2943 | ||
2944 | if (status == BTMTK_WMT_ON_DONE) { | |
2945 | bt_dev_info(hdev, "function already on"); | |
2946 | goto ignore_func_on; | |
2947 | } | |
2948 | ||
2949 | /* Enable Bluetooth protocol */ | |
2950 | param = 1; | |
2951 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; | |
2952 | wmt_params.flag = 0; | |
2953 | wmt_params.dlen = sizeof(param); | |
2954 | wmt_params.data = ¶m; | |
2955 | wmt_params.status = NULL; | |
2956 | ||
2957 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
2958 | if (err < 0) { | |
2959 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); | |
2960 | return err; | |
2961 | } | |
2962 | ||
2963 | ignore_func_on: | |
2964 | /* Apply the low power environment setup */ | |
2965 | tci_sleep.mode = 0x5; | |
2966 | tci_sleep.duration = cpu_to_le16(0x640); | |
2967 | tci_sleep.host_duration = cpu_to_le16(0x640); | |
2968 | tci_sleep.host_wakeup_pin = 0; | |
2969 | tci_sleep.time_compensation = 0; | |
2970 | ||
2971 | skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep, | |
2972 | HCI_INIT_TIMEOUT); | |
2973 | if (IS_ERR(skb)) { | |
2974 | err = PTR_ERR(skb); | |
2975 | bt_dev_err(hdev, "Failed to apply low power setting (%d)", err); | |
2976 | return err; | |
2977 | } | |
2978 | kfree_skb(skb); | |
2979 | ||
2980 | rettime = ktime_get(); | |
2981 | delta = ktime_sub(rettime, calltime); | |
2982 | duration = (unsigned long long)ktime_to_ns(delta) >> 10; | |
2983 | ||
2984 | bt_dev_info(hdev, "Device setup in %llu usecs", duration); | |
2985 | ||
2986 | return 0; | |
2987 | } | |
2988 | ||
2989 | static int btusb_mtk_shutdown(struct hci_dev *hdev) | |
2990 | { | |
2991 | struct btmtk_hci_wmt_params wmt_params; | |
2992 | u8 param = 0; | |
2993 | int err; | |
2994 | ||
2995 | /* Disable the device */ | |
2996 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; | |
2997 | wmt_params.flag = 0; | |
2998 | wmt_params.dlen = sizeof(param); | |
2999 | wmt_params.data = ¶m; | |
3000 | wmt_params.status = NULL; | |
3001 | ||
3002 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
3003 | if (err < 0) { | |
3004 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); | |
3005 | return err; | |
3006 | } | |
3007 | ||
3008 | return 0; | |
3009 | } | |
3010 | ||
9ce67c32 | 3011 | MODULE_FIRMWARE(FIRMWARE_MT7663); |
a1c49c43 SW |
3012 | MODULE_FIRMWARE(FIRMWARE_MT7668); |
3013 | #endif | |
3014 | ||
a4ccc9e3 RJ |
3015 | #ifdef CONFIG_PM |
3016 | /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ | |
3017 | static int marvell_config_oob_wake(struct hci_dev *hdev) | |
3018 | { | |
3019 | struct sk_buff *skb; | |
3020 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3021 | struct device *dev = &data->udev->dev; | |
3022 | u16 pin, gap, opcode; | |
3023 | int ret; | |
3024 | u8 cmd[5]; | |
3025 | ||
3026 | /* Move on if no wakeup pin specified */ | |
3027 | if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) || | |
3028 | of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap)) | |
3029 | return 0; | |
3030 | ||
3031 | /* Vendor specific command to configure a GPIO as wake-up pin */ | |
3032 | opcode = hci_opcode_pack(0x3F, 0x59); | |
3033 | cmd[0] = opcode & 0xFF; | |
3034 | cmd[1] = opcode >> 8; | |
3035 | cmd[2] = 2; /* length of parameters that follow */ | |
3036 | cmd[3] = pin; | |
3037 | cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ | |
3038 | ||
3039 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
3040 | if (!skb) { | |
3041 | bt_dev_err(hdev, "%s: No memory\n", __func__); | |
3042 | return -ENOMEM; | |
3043 | } | |
3044 | ||
59ae1d12 | 3045 | skb_put_data(skb, cmd, sizeof(cmd)); |
a4ccc9e3 RJ |
3046 | hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; |
3047 | ||
3048 | ret = btusb_send_frame(hdev, skb); | |
3049 | if (ret) { | |
3050 | bt_dev_err(hdev, "%s: configuration failed\n", __func__); | |
3051 | kfree_skb(skb); | |
3052 | return ret; | |
3053 | } | |
3054 | ||
3055 | return 0; | |
3056 | } | |
3057 | #endif | |
3058 | ||
ae8df494 AK |
3059 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
3060 | const bdaddr_t *bdaddr) | |
3061 | { | |
3062 | struct sk_buff *skb; | |
3063 | u8 buf[8]; | |
3064 | long ret; | |
3065 | ||
3066 | buf[0] = 0xfe; | |
3067 | buf[1] = sizeof(bdaddr_t); | |
3068 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
3069 | ||
3070 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
3071 | if (IS_ERR(skb)) { | |
3072 | ret = PTR_ERR(skb); | |
2064ee33 MH |
3073 | bt_dev_err(hdev, "changing Marvell device address failed (%ld)", |
3074 | ret); | |
ae8df494 AK |
3075 | return ret; |
3076 | } | |
3077 | kfree_skb(skb); | |
3078 | ||
3079 | return 0; | |
3080 | } | |
3081 | ||
5859223e TK |
3082 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
3083 | const bdaddr_t *bdaddr) | |
3084 | { | |
3085 | struct sk_buff *skb; | |
3086 | u8 buf[10]; | |
3087 | long ret; | |
3088 | ||
3089 | buf[0] = 0x01; | |
3090 | buf[1] = 0x01; | |
3091 | buf[2] = 0x00; | |
3092 | buf[3] = sizeof(bdaddr_t); | |
3093 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
3094 | ||
3095 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
3096 | if (IS_ERR(skb)) { | |
3097 | ret = PTR_ERR(skb); | |
2064ee33 | 3098 | bt_dev_err(hdev, "Change address command failed (%ld)", ret); |
5859223e TK |
3099 | return ret; |
3100 | } | |
3101 | kfree_skb(skb); | |
3102 | ||
3103 | return 0; | |
3104 | } | |
3105 | ||
3267c884 KBYT |
3106 | #define QCA_DFU_PACKET_LEN 4096 |
3107 | ||
3108 | #define QCA_GET_TARGET_VERSION 0x09 | |
3109 | #define QCA_CHECK_STATUS 0x05 | |
3110 | #define QCA_DFU_DOWNLOAD 0x01 | |
3111 | ||
3112 | #define QCA_SYSCFG_UPDATED 0x40 | |
3113 | #define QCA_PATCH_UPDATED 0x80 | |
3114 | #define QCA_DFU_TIMEOUT 3000 | |
3115 | ||
3116 | struct qca_version { | |
3117 | __le32 rom_version; | |
3118 | __le32 patch_version; | |
3119 | __le32 ram_version; | |
3120 | __le32 ref_clock; | |
3121 | __u8 reserved[4]; | |
3122 | } __packed; | |
3123 | ||
3124 | struct qca_rampatch_version { | |
3125 | __le16 rom_version; | |
3126 | __le16 patch_version; | |
3127 | } __packed; | |
3128 | ||
3129 | struct qca_device_info { | |
bf906b3d KBYT |
3130 | u32 rom_version; |
3131 | u8 rampatch_hdr; /* length of header in rampatch */ | |
3132 | u8 nvm_hdr; /* length of header in NVM */ | |
3133 | u8 ver_offset; /* offset of version structure in rampatch */ | |
3267c884 KBYT |
3134 | }; |
3135 | ||
3136 | static const struct qca_device_info qca_devices_table[] = { | |
3137 | { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */ | |
3138 | { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */ | |
7f6e6363 | 3139 | { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */ |
3267c884 KBYT |
3140 | { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */ |
3141 | { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */ | |
3142 | { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */ | |
3143 | }; | |
3144 | ||
803cdb8c | 3145 | static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, |
3267c884 KBYT |
3146 | void *data, u16 size) |
3147 | { | |
3267c884 KBYT |
3148 | int pipe, err; |
3149 | u8 *buf; | |
3150 | ||
3151 | buf = kmalloc(size, GFP_KERNEL); | |
3152 | if (!buf) | |
3153 | return -ENOMEM; | |
3154 | ||
3155 | /* Found some of USB hosts have IOT issues with ours so that we should | |
3156 | * not wait until HCI layer is ready. | |
3157 | */ | |
3158 | pipe = usb_rcvctrlpipe(udev, 0); | |
3159 | err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, | |
3160 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
3161 | if (err < 0) { | |
803cdb8c | 3162 | dev_err(&udev->dev, "Failed to access otp area (%d)", err); |
3267c884 KBYT |
3163 | goto done; |
3164 | } | |
3165 | ||
3166 | memcpy(data, buf, size); | |
3167 | ||
3168 | done: | |
3169 | kfree(buf); | |
3170 | ||
3171 | return err; | |
3172 | } | |
3173 | ||
3174 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, | |
3175 | const struct firmware *firmware, | |
3176 | size_t hdr_size) | |
3177 | { | |
3178 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
3179 | struct usb_device *udev = btdata->udev; | |
3180 | size_t count, size, sent = 0; | |
3181 | int pipe, len, err; | |
3182 | u8 *buf; | |
3183 | ||
3184 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); | |
3185 | if (!buf) | |
3186 | return -ENOMEM; | |
3187 | ||
3188 | count = firmware->size; | |
3189 | ||
3190 | size = min_t(size_t, count, hdr_size); | |
3191 | memcpy(buf, firmware->data, size); | |
3192 | ||
3193 | /* USB patches should go down to controller through USB path | |
3194 | * because binary format fits to go down through USB channel. | |
3195 | * USB control path is for patching headers and USB bulk is for | |
3196 | * patch body. | |
3197 | */ | |
3198 | pipe = usb_sndctrlpipe(udev, 0); | |
3199 | err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, | |
3200 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
3201 | if (err < 0) { | |
2064ee33 | 3202 | bt_dev_err(hdev, "Failed to send headers (%d)", err); |
3267c884 KBYT |
3203 | goto done; |
3204 | } | |
3205 | ||
3206 | sent += size; | |
3207 | count -= size; | |
3208 | ||
3209 | while (count) { | |
3210 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); | |
3211 | ||
3212 | memcpy(buf, firmware->data + sent, size); | |
3213 | ||
3214 | pipe = usb_sndbulkpipe(udev, 0x02); | |
3215 | err = usb_bulk_msg(udev, pipe, buf, size, &len, | |
3216 | QCA_DFU_TIMEOUT); | |
3217 | if (err < 0) { | |
2064ee33 MH |
3218 | bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)", |
3219 | sent, firmware->size, err); | |
3267c884 KBYT |
3220 | break; |
3221 | } | |
3222 | ||
3223 | if (size != len) { | |
2064ee33 | 3224 | bt_dev_err(hdev, "Failed to get bulk buffer"); |
3267c884 KBYT |
3225 | err = -EILSEQ; |
3226 | break; | |
3227 | } | |
3228 | ||
3229 | sent += size; | |
3230 | count -= size; | |
3231 | } | |
3232 | ||
3233 | done: | |
3234 | kfree(buf); | |
3235 | return err; | |
3236 | } | |
3237 | ||
3238 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, | |
3239 | struct qca_version *ver, | |
3240 | const struct qca_device_info *info) | |
3241 | { | |
3242 | struct qca_rampatch_version *rver; | |
3243 | const struct firmware *fw; | |
bf906b3d KBYT |
3244 | u32 ver_rom, ver_patch; |
3245 | u16 rver_rom, rver_patch; | |
3267c884 KBYT |
3246 | char fwname[64]; |
3247 | int err; | |
3248 | ||
bf906b3d KBYT |
3249 | ver_rom = le32_to_cpu(ver->rom_version); |
3250 | ver_patch = le32_to_cpu(ver->patch_version); | |
3251 | ||
3252 | snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); | |
3267c884 KBYT |
3253 | |
3254 | err = request_firmware(&fw, fwname, &hdev->dev); | |
3255 | if (err) { | |
2064ee33 MH |
3256 | bt_dev_err(hdev, "failed to request rampatch file: %s (%d)", |
3257 | fwname, err); | |
3267c884 KBYT |
3258 | return err; |
3259 | } | |
3260 | ||
2064ee33 | 3261 | bt_dev_info(hdev, "using rampatch file: %s", fwname); |
bf906b3d | 3262 | |
3267c884 | 3263 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
bf906b3d KBYT |
3264 | rver_rom = le16_to_cpu(rver->rom_version); |
3265 | rver_patch = le16_to_cpu(rver->patch_version); | |
3266 | ||
2064ee33 MH |
3267 | bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " |
3268 | "firmware rome 0x%x build 0x%x", | |
3269 | rver_rom, rver_patch, ver_rom, ver_patch); | |
3267c884 | 3270 | |
bf906b3d | 3271 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
2064ee33 | 3272 | bt_dev_err(hdev, "rampatch file version did not match with firmware"); |
3267c884 KBYT |
3273 | err = -EINVAL; |
3274 | goto done; | |
3275 | } | |
3276 | ||
3277 | err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); | |
3278 | ||
3279 | done: | |
3280 | release_firmware(fw); | |
3281 | ||
3282 | return err; | |
3283 | } | |
3284 | ||
3285 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, | |
3286 | struct qca_version *ver, | |
3287 | const struct qca_device_info *info) | |
3288 | { | |
3289 | const struct firmware *fw; | |
3290 | char fwname[64]; | |
3291 | int err; | |
3292 | ||
3293 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", | |
3294 | le32_to_cpu(ver->rom_version)); | |
3295 | ||
3296 | err = request_firmware(&fw, fwname, &hdev->dev); | |
3297 | if (err) { | |
2064ee33 MH |
3298 | bt_dev_err(hdev, "failed to request NVM file: %s (%d)", |
3299 | fwname, err); | |
3267c884 KBYT |
3300 | return err; |
3301 | } | |
3302 | ||
2064ee33 | 3303 | bt_dev_info(hdev, "using NVM file: %s", fwname); |
3267c884 KBYT |
3304 | |
3305 | err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); | |
3306 | ||
3307 | release_firmware(fw); | |
3308 | ||
3309 | return err; | |
3310 | } | |
3311 | ||
803cdb8c TI |
3312 | /* identify the ROM version and check whether patches are needed */ |
3313 | static bool btusb_qca_need_patch(struct usb_device *udev) | |
3314 | { | |
3315 | struct qca_version ver; | |
3316 | ||
3317 | if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, | |
3318 | sizeof(ver)) < 0) | |
3319 | return false; | |
3320 | /* only low ROM versions need patches */ | |
3321 | return !(le32_to_cpu(ver.rom_version) & ~0xffffU); | |
3322 | } | |
3323 | ||
3267c884 KBYT |
3324 | static int btusb_setup_qca(struct hci_dev *hdev) |
3325 | { | |
803cdb8c TI |
3326 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
3327 | struct usb_device *udev = btdata->udev; | |
3267c884 KBYT |
3328 | const struct qca_device_info *info = NULL; |
3329 | struct qca_version ver; | |
bf906b3d | 3330 | u32 ver_rom; |
3267c884 KBYT |
3331 | u8 status; |
3332 | int i, err; | |
3333 | ||
803cdb8c | 3334 | err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, |
eb50042f | 3335 | sizeof(ver)); |
3267c884 KBYT |
3336 | if (err < 0) |
3337 | return err; | |
3338 | ||
bf906b3d | 3339 | ver_rom = le32_to_cpu(ver.rom_version); |
803cdb8c TI |
3340 | /* Don't care about high ROM versions */ |
3341 | if (ver_rom & ~0xffffU) | |
3342 | return 0; | |
3343 | ||
3267c884 | 3344 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
bf906b3d | 3345 | if (ver_rom == qca_devices_table[i].rom_version) |
3267c884 KBYT |
3346 | info = &qca_devices_table[i]; |
3347 | } | |
3348 | if (!info) { | |
2064ee33 | 3349 | bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom); |
3267c884 KBYT |
3350 | return -ENODEV; |
3351 | } | |
3352 | ||
803cdb8c | 3353 | err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status, |
3267c884 KBYT |
3354 | sizeof(status)); |
3355 | if (err < 0) | |
3356 | return err; | |
3357 | ||
3358 | if (!(status & QCA_PATCH_UPDATED)) { | |
3359 | err = btusb_setup_qca_load_rampatch(hdev, &ver, info); | |
3360 | if (err < 0) | |
3361 | return err; | |
3362 | } | |
3363 | ||
3364 | if (!(status & QCA_SYSCFG_UPDATED)) { | |
3365 | err = btusb_setup_qca_load_nvm(hdev, &ver, info); | |
3366 | if (err < 0) | |
3367 | return err; | |
3368 | } | |
3369 | ||
3370 | return 0; | |
3371 | } | |
3372 | ||
9d08f504 MH |
3373 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
3374 | static inline int __set_diag_interface(struct hci_dev *hdev) | |
3375 | { | |
3376 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3377 | struct usb_interface *intf = data->diag; | |
3378 | int i; | |
3379 | ||
3380 | if (!data->diag) | |
3381 | return -ENODEV; | |
3382 | ||
3383 | data->diag_tx_ep = NULL; | |
3384 | data->diag_rx_ep = NULL; | |
3385 | ||
3386 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
3387 | struct usb_endpoint_descriptor *ep_desc; | |
3388 | ||
3389 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
3390 | ||
3391 | if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
3392 | data->diag_tx_ep = ep_desc; | |
3393 | continue; | |
3394 | } | |
3395 | ||
3396 | if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
3397 | data->diag_rx_ep = ep_desc; | |
3398 | continue; | |
3399 | } | |
3400 | } | |
3401 | ||
3402 | if (!data->diag_tx_ep || !data->diag_rx_ep) { | |
2064ee33 | 3403 | bt_dev_err(hdev, "invalid diagnostic descriptors"); |
9d08f504 MH |
3404 | return -ENODEV; |
3405 | } | |
3406 | ||
3407 | return 0; | |
3408 | } | |
3409 | ||
3410 | static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) | |
3411 | { | |
3412 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3413 | struct sk_buff *skb; | |
3414 | struct urb *urb; | |
3415 | unsigned int pipe; | |
3416 | ||
3417 | if (!data->diag_tx_ep) | |
3418 | return ERR_PTR(-ENODEV); | |
3419 | ||
3420 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
3421 | if (!urb) | |
3422 | return ERR_PTR(-ENOMEM); | |
3423 | ||
3424 | skb = bt_skb_alloc(2, GFP_KERNEL); | |
3425 | if (!skb) { | |
3426 | usb_free_urb(urb); | |
3427 | return ERR_PTR(-ENOMEM); | |
3428 | } | |
3429 | ||
634fef61 JB |
3430 | skb_put_u8(skb, 0xf0); |
3431 | skb_put_u8(skb, enable); | |
9d08f504 MH |
3432 | |
3433 | pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); | |
3434 | ||
3435 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
3436 | skb->data, skb->len, btusb_tx_complete, skb); | |
3437 | ||
3438 | skb->dev = (void *)hdev; | |
3439 | ||
3440 | return urb; | |
3441 | } | |
3442 | ||
3443 | static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) | |
3444 | { | |
3445 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3446 | struct urb *urb; | |
3447 | ||
3448 | if (!data->diag) | |
3449 | return -ENODEV; | |
3450 | ||
3451 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
3452 | return -ENETDOWN; | |
3453 | ||
3454 | urb = alloc_diag_urb(hdev, enable); | |
3455 | if (IS_ERR(urb)) | |
3456 | return PTR_ERR(urb); | |
3457 | ||
3458 | return submit_or_queue_tx_urb(hdev, urb); | |
3459 | } | |
3460 | #endif | |
3461 | ||
fd913ef7 RJ |
3462 | #ifdef CONFIG_PM |
3463 | static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) | |
3464 | { | |
3465 | struct btusb_data *data = priv; | |
3466 | ||
3467 | pm_wakeup_event(&data->udev->dev, 0); | |
017789f3 | 3468 | pm_system_wakeup(); |
fd913ef7 RJ |
3469 | |
3470 | /* Disable only if not already disabled (keep it balanced) */ | |
3471 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
3472 | disable_irq_nosync(irq); | |
3473 | disable_irq_wake(irq); | |
3474 | } | |
3475 | return IRQ_HANDLED; | |
3476 | } | |
3477 | ||
3478 | static const struct of_device_id btusb_match_table[] = { | |
3479 | { .compatible = "usb1286,204e" }, | |
4c409af0 BN |
3480 | { .compatible = "usbcf3,e300" }, /* QCA6174A */ |
3481 | { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */ | |
fd913ef7 RJ |
3482 | { } |
3483 | }; | |
3484 | MODULE_DEVICE_TABLE(of, btusb_match_table); | |
3485 | ||
3486 | /* Use an oob wakeup pin? */ | |
3487 | static int btusb_config_oob_wake(struct hci_dev *hdev) | |
3488 | { | |
3489 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3490 | struct device *dev = &data->udev->dev; | |
3491 | int irq, ret; | |
3492 | ||
3493 | clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
3494 | ||
3495 | if (!of_match_device(btusb_match_table, dev)) | |
3496 | return 0; | |
3497 | ||
3498 | /* Move on if no IRQ specified */ | |
3499 | irq = of_irq_get_byname(dev->of_node, "wakeup"); | |
3500 | if (irq <= 0) { | |
3501 | bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__); | |
3502 | return 0; | |
3503 | } | |
3504 | ||
771acc7e | 3505 | irq_set_status_flags(irq, IRQ_NOAUTOEN); |
fd913ef7 RJ |
3506 | ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler, |
3507 | 0, "OOB Wake-on-BT", data); | |
3508 | if (ret) { | |
3509 | bt_dev_err(hdev, "%s: IRQ request failed", __func__); | |
3510 | return ret; | |
3511 | } | |
3512 | ||
3513 | ret = device_init_wakeup(dev, true); | |
3514 | if (ret) { | |
3515 | bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); | |
3516 | return ret; | |
3517 | } | |
3518 | ||
3519 | data->oob_wake_irq = irq; | |
fd913ef7 RJ |
3520 | bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); |
3521 | return 0; | |
3522 | } | |
3523 | #endif | |
3524 | ||
fc549102 HG |
3525 | static void btusb_check_needs_reset_resume(struct usb_interface *intf) |
3526 | { | |
3527 | if (dmi_check_system(btusb_needs_reset_resume_table)) | |
3528 | interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; | |
3529 | } | |
3530 | ||
5e23b923 | 3531 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 3532 | const struct usb_device_id *id) |
5e23b923 MH |
3533 | { |
3534 | struct usb_endpoint_descriptor *ep_desc; | |
dc786b2c | 3535 | struct gpio_desc *reset_gpio; |
5e23b923 MH |
3536 | struct btusb_data *data; |
3537 | struct hci_dev *hdev; | |
22f8e9db | 3538 | unsigned ifnum_base; |
5e23b923 MH |
3539 | int i, err; |
3540 | ||
3541 | BT_DBG("intf %p id %p", intf, id); | |
3542 | ||
cfeb4145 | 3543 | /* interface numbers are hardcoded in the spec */ |
22f8e9db MH |
3544 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) { |
3545 | if (!(id->driver_info & BTUSB_IFNUM_2)) | |
3546 | return -ENODEV; | |
3547 | if (intf->cur_altsetting->desc.bInterfaceNumber != 2) | |
3548 | return -ENODEV; | |
3549 | } | |
3550 | ||
3551 | ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; | |
5e23b923 MH |
3552 | |
3553 | if (!id->driver_info) { | |
3554 | const struct usb_device_id *match; | |
89e7533d | 3555 | |
5e23b923 MH |
3556 | match = usb_match_id(intf, blacklist_table); |
3557 | if (match) | |
3558 | id = match; | |
3559 | } | |
3560 | ||
cfeb4145 MH |
3561 | if (id->driver_info == BTUSB_IGNORE) |
3562 | return -ENODEV; | |
3563 | ||
2d25f8b4 SL |
3564 | if (id->driver_info & BTUSB_ATH3012) { |
3565 | struct usb_device *udev = interface_to_usbdev(intf); | |
3566 | ||
3567 | /* Old firmware would otherwise let ath3k driver load | |
d98422cb DR |
3568 | * patch and sysconfig files |
3569 | */ | |
803cdb8c TI |
3570 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 && |
3571 | !btusb_qca_need_patch(udev)) | |
2d25f8b4 SL |
3572 | return -ENODEV; |
3573 | } | |
3574 | ||
98921dbd | 3575 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
3576 | if (!data) |
3577 | return -ENOMEM; | |
3578 | ||
3579 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
3580 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
3581 | ||
3582 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
3583 | data->intr_ep = ep_desc; | |
3584 | continue; | |
3585 | } | |
3586 | ||
3587 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
3588 | data->bulk_tx_ep = ep_desc; | |
3589 | continue; | |
3590 | } | |
3591 | ||
3592 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
3593 | data->bulk_rx_ep = ep_desc; | |
3594 | continue; | |
3595 | } | |
3596 | } | |
3597 | ||
98921dbd | 3598 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 3599 | return -ENODEV; |
5e23b923 | 3600 | |
893ba544 MH |
3601 | if (id->driver_info & BTUSB_AMP) { |
3602 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; | |
3603 | data->cmdreq = 0x2b; | |
3604 | } else { | |
3605 | data->cmdreq_type = USB_TYPE_CLASS; | |
3606 | data->cmdreq = 0x00; | |
3607 | } | |
7a9d4020 | 3608 | |
5e23b923 | 3609 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 3610 | data->intf = intf; |
5e23b923 | 3611 | |
5e23b923 | 3612 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 3613 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
3614 | init_usb_anchor(&data->deferred); |
3615 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 3616 | spin_lock_init(&data->txlock); |
5e23b923 | 3617 | |
5e23b923 MH |
3618 | init_usb_anchor(&data->intr_anchor); |
3619 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 3620 | init_usb_anchor(&data->isoc_anchor); |
9d08f504 | 3621 | init_usb_anchor(&data->diag_anchor); |
a1c49c43 | 3622 | init_usb_anchor(&data->ctrl_anchor); |
803b5836 | 3623 | spin_lock_init(&data->rxlock); |
5e23b923 | 3624 | |
cda0dd78 MH |
3625 | if (id->driver_info & BTUSB_INTEL_NEW) { |
3626 | data->recv_event = btusb_recv_event_intel; | |
3627 | data->recv_bulk = btusb_recv_bulk_intel; | |
3628 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
3629 | } else { | |
3630 | data->recv_event = hci_recv_frame; | |
3631 | data->recv_bulk = btusb_recv_bulk; | |
3632 | } | |
2cbd3f5c | 3633 | |
5e23b923 | 3634 | hdev = hci_alloc_dev(); |
98921dbd | 3635 | if (!hdev) |
5e23b923 | 3636 | return -ENOMEM; |
5e23b923 | 3637 | |
c13854ce | 3638 | hdev->bus = HCI_USB; |
155961e8 | 3639 | hci_set_drvdata(hdev, data); |
5e23b923 | 3640 | |
893ba544 MH |
3641 | if (id->driver_info & BTUSB_AMP) |
3642 | hdev->dev_type = HCI_AMP; | |
3643 | else | |
ca8bee5d | 3644 | hdev->dev_type = HCI_PRIMARY; |
893ba544 | 3645 | |
5e23b923 MH |
3646 | data->hdev = hdev; |
3647 | ||
3648 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
3649 | ||
dc786b2c RJ |
3650 | reset_gpio = gpiod_get_optional(&data->udev->dev, "reset", |
3651 | GPIOD_OUT_LOW); | |
3652 | if (IS_ERR(reset_gpio)) { | |
3653 | err = PTR_ERR(reset_gpio); | |
3654 | goto out_free_dev; | |
3655 | } else if (reset_gpio) { | |
3656 | data->reset_gpio = reset_gpio; | |
3657 | } | |
3658 | ||
9f8f962c MH |
3659 | hdev->open = btusb_open; |
3660 | hdev->close = btusb_close; | |
3661 | hdev->flush = btusb_flush; | |
3662 | hdev->send = btusb_send_frame; | |
3663 | hdev->notify = btusb_notify; | |
3664 | ||
fd913ef7 RJ |
3665 | #ifdef CONFIG_PM |
3666 | err = btusb_config_oob_wake(hdev); | |
3667 | if (err) | |
3668 | goto out_free_dev; | |
a4ccc9e3 RJ |
3669 | |
3670 | /* Marvell devices may need a specific chip configuration */ | |
3671 | if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { | |
3672 | err = marvell_config_oob_wake(hdev); | |
3673 | if (err) | |
3674 | goto out_free_dev; | |
3675 | } | |
fd913ef7 | 3676 | #endif |
418678b0 SJ |
3677 | if (id->driver_info & BTUSB_CW6622) |
3678 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
3679 | ||
6c9d435d MH |
3680 | if (id->driver_info & BTUSB_BCM2045) |
3681 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
3682 | ||
9f8f962c MH |
3683 | if (id->driver_info & BTUSB_BCM92035) |
3684 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 3685 | |
c2bfb100 | 3686 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
abbaf50e | 3687 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
49a5f782 | 3688 | hdev->manufacturer = 15; |
c2bfb100 | 3689 | hdev->setup = btbcm_setup_patchram; |
9d08f504 | 3690 | hdev->set_diag = btusb_bcm_set_diag; |
1df1f591 | 3691 | hdev->set_bdaddr = btbcm_set_bdaddr; |
9d08f504 MH |
3692 | |
3693 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
22f8e9db | 3694 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); |
abbaf50e | 3695 | } |
10d4c673 | 3696 | |
9d08f504 | 3697 | if (id->driver_info & BTUSB_BCM_APPLE) { |
49a5f782 | 3698 | hdev->manufacturer = 15; |
c2bfb100 | 3699 | hdev->setup = btbcm_setup_apple; |
9d08f504 MH |
3700 | hdev->set_diag = btusb_bcm_set_diag; |
3701 | ||
3702 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
22f8e9db | 3703 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); |
9d08f504 | 3704 | } |
c2bfb100 | 3705 | #endif |
17b2772b | 3706 | |
cb8d6597 | 3707 | if (id->driver_info & BTUSB_INTEL) { |
49a5f782 | 3708 | hdev->manufacturer = 2; |
dffd30ee | 3709 | hdev->setup = btusb_setup_intel; |
bfbd45e9 | 3710 | hdev->shutdown = btusb_shutdown_intel; |
3e24767b | 3711 | hdev->set_diag = btintel_set_diag_mfg; |
4185a0f5 | 3712 | hdev->set_bdaddr = btintel_set_bdaddr; |
dc786b2c | 3713 | hdev->cmd_timeout = btusb_intel_cmd_timeout; |
c33fb9b4 | 3714 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
c1154842 | 3715 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
3e24767b | 3716 | set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); |
cb8d6597 | 3717 | } |
dffd30ee | 3718 | |
cda0dd78 | 3719 | if (id->driver_info & BTUSB_INTEL_NEW) { |
49a5f782 | 3720 | hdev->manufacturer = 2; |
cda0dd78 MH |
3721 | hdev->send = btusb_send_frame_intel; |
3722 | hdev->setup = btusb_setup_intel_new; | |
017a01cc | 3723 | hdev->shutdown = btusb_shutdown_intel_new; |
eeb6abe9 | 3724 | hdev->hw_error = btintel_hw_error; |
6d2e50d2 | 3725 | hdev->set_diag = btintel_set_diag; |
4185a0f5 | 3726 | hdev->set_bdaddr = btintel_set_bdaddr; |
dc786b2c | 3727 | hdev->cmd_timeout = btusb_intel_cmd_timeout; |
b970c5ba | 3728 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
f7785021 | 3729 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
d8270fbb | 3730 | set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); |
cda0dd78 MH |
3731 | } |
3732 | ||
ae8df494 AK |
3733 | if (id->driver_info & BTUSB_MARVELL) |
3734 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
3735 | ||
a1c49c43 SW |
3736 | #ifdef CONFIG_BT_HCIBTUSB_MTK |
3737 | if (id->driver_info & BTUSB_MEDIATEK) { | |
3738 | hdev->setup = btusb_mtk_setup; | |
3739 | hdev->shutdown = btusb_mtk_shutdown; | |
3740 | hdev->manufacturer = 70; | |
3741 | set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); | |
3742 | } | |
3743 | #endif | |
3744 | ||
661cf88a MH |
3745 | if (id->driver_info & BTUSB_SWAVE) { |
3746 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
d57dbe77 | 3747 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
661cf88a | 3748 | } |
d57dbe77 | 3749 | |
e4c534bb MH |
3750 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
3751 | hdev->manufacturer = 2; | |
40df783d | 3752 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
e4c534bb | 3753 | } |
40df783d | 3754 | |
79f0c87d | 3755 | if (id->driver_info & BTUSB_ATH3012) { |
803cdb8c | 3756 | data->setup_on_usb = btusb_setup_qca; |
5859223e | 3757 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
3d50d51a | 3758 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
79f0c87d JP |
3759 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
3760 | } | |
5859223e | 3761 | |
3267c884 KBYT |
3762 | if (id->driver_info & BTUSB_QCA_ROME) { |
3763 | data->setup_on_usb = btusb_setup_qca; | |
3764 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
96e58d36 | 3765 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
fc549102 | 3766 | btusb_check_needs_reset_resume(intf); |
3267c884 KBYT |
3767 | } |
3768 | ||
db33c77d | 3769 | #ifdef CONFIG_BT_HCIBTUSB_RTL |
04b8c814 | 3770 | if (id->driver_info & BTUSB_REALTEK) { |
db33c77d | 3771 | hdev->setup = btrtl_setup_realtek; |
7af3f558 | 3772 | hdev->shutdown = btrtl_shutdown_realtek; |
04b8c814 DD |
3773 | |
3774 | /* Realtek devices lose their updated firmware over suspend, | |
3775 | * but the USB hub doesn't notice any status change. | |
3776 | * Explicitly request a device reset on resume. | |
3777 | */ | |
61f5acea | 3778 | interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; |
04b8c814 | 3779 | } |
db33c77d | 3780 | #endif |
a2698a9b | 3781 | |
893ba544 MH |
3782 | if (id->driver_info & BTUSB_AMP) { |
3783 | /* AMP controllers do not support SCO packets */ | |
3784 | data->isoc = NULL; | |
3785 | } else { | |
22f8e9db MH |
3786 | /* Interface orders are hardcoded in the specification */ |
3787 | data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1); | |
459232fc | 3788 | data->isoc_ifnum = ifnum_base + 1; |
893ba544 | 3789 | } |
9bfa35fe | 3790 | |
7a9d4020 | 3791 | if (!reset) |
a6c511c6 | 3792 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
3793 | |
3794 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
3795 | if (!disable_scofix) | |
3796 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
3797 | } | |
3798 | ||
9bfa35fe MH |
3799 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
3800 | data->isoc = NULL; | |
3801 | ||
7a9d4020 MH |
3802 | if (id->driver_info & BTUSB_DIGIANSWER) { |
3803 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 3804 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
3805 | } |
3806 | ||
3807 | if (id->driver_info & BTUSB_CSR) { | |
3808 | struct usb_device *udev = data->udev; | |
81cac64b | 3809 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
3810 | |
3811 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 3812 | if (bcdDevice < 0x117) |
a6c511c6 | 3813 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
3814 | |
3815 | /* Fake CSR devices with broken commands */ | |
6cafcd95 | 3816 | if (bcdDevice <= 0x100 || bcdDevice == 0x134) |
81cac64b | 3817 | hdev->setup = btusb_setup_csr; |
49c989a0 JP |
3818 | |
3819 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
7a9d4020 MH |
3820 | } |
3821 | ||
cfeb4145 | 3822 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 3823 | struct usb_device *udev = data->udev; |
cfeb4145 | 3824 | |
7a9d4020 | 3825 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
3826 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
3827 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
3828 | } | |
3829 | ||
3a5ef20c MH |
3830 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
3831 | /* A bug in the bootloader causes that interrupt interface is | |
3832 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
3833 | */ | |
3834 | err = usb_set_interface(data->udev, 0, 0); | |
3835 | if (err < 0) { | |
3836 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
10ab133b | 3837 | goto out_free_dev; |
3a5ef20c MH |
3838 | } |
3839 | } | |
3840 | ||
9bfa35fe MH |
3841 | if (data->isoc) { |
3842 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 3843 | data->isoc, data); |
10ab133b RJ |
3844 | if (err < 0) |
3845 | goto out_free_dev; | |
9bfa35fe MH |
3846 | } |
3847 | ||
9d08f504 MH |
3848 | #ifdef CONFIG_BT_HCIBTUSB_BCM |
3849 | if (data->diag) { | |
3850 | if (!usb_driver_claim_interface(&btusb_driver, | |
3851 | data->diag, data)) | |
3852 | __set_diag_interface(hdev); | |
3853 | else | |
3854 | data->diag = NULL; | |
3855 | } | |
3856 | #endif | |
3857 | ||
eff2d68c HG |
3858 | if (enable_autosuspend) |
3859 | usb_enable_autosuspend(data->udev); | |
3860 | ||
5e23b923 | 3861 | err = hci_register_dev(hdev); |
10ab133b RJ |
3862 | if (err < 0) |
3863 | goto out_free_dev; | |
5e23b923 MH |
3864 | |
3865 | usb_set_intfdata(intf, data); | |
3866 | ||
3867 | return 0; | |
10ab133b RJ |
3868 | |
3869 | out_free_dev: | |
dc786b2c RJ |
3870 | if (data->reset_gpio) |
3871 | gpiod_put(data->reset_gpio); | |
10ab133b RJ |
3872 | hci_free_dev(hdev); |
3873 | return err; | |
5e23b923 MH |
3874 | } |
3875 | ||
3876 | static void btusb_disconnect(struct usb_interface *intf) | |
3877 | { | |
3878 | struct btusb_data *data = usb_get_intfdata(intf); | |
3879 | struct hci_dev *hdev; | |
3880 | ||
3881 | BT_DBG("intf %p", intf); | |
3882 | ||
3883 | if (!data) | |
3884 | return; | |
3885 | ||
3886 | hdev = data->hdev; | |
5fbcd260 MH |
3887 | usb_set_intfdata(data->intf, NULL); |
3888 | ||
3889 | if (data->isoc) | |
3890 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 | 3891 | |
9d08f504 MH |
3892 | if (data->diag) |
3893 | usb_set_intfdata(data->diag, NULL); | |
3894 | ||
5e23b923 MH |
3895 | hci_unregister_dev(hdev); |
3896 | ||
9d08f504 MH |
3897 | if (intf == data->intf) { |
3898 | if (data->isoc) | |
3899 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
3900 | if (data->diag) | |
3901 | usb_driver_release_interface(&btusb_driver, data->diag); | |
3902 | } else if (intf == data->isoc) { | |
3903 | if (data->diag) | |
3904 | usb_driver_release_interface(&btusb_driver, data->diag); | |
5fbcd260 | 3905 | usb_driver_release_interface(&btusb_driver, data->intf); |
9d08f504 MH |
3906 | } else if (intf == data->diag) { |
3907 | usb_driver_release_interface(&btusb_driver, data->intf); | |
3908 | if (data->isoc) | |
3909 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
3910 | } | |
5fbcd260 | 3911 | |
fd913ef7 RJ |
3912 | if (data->oob_wake_irq) |
3913 | device_init_wakeup(&data->udev->dev, false); | |
3914 | ||
dc786b2c RJ |
3915 | if (data->reset_gpio) |
3916 | gpiod_put(data->reset_gpio); | |
3917 | ||
5e23b923 MH |
3918 | hci_free_dev(hdev); |
3919 | } | |
3920 | ||
7bee549e | 3921 | #ifdef CONFIG_PM |
6a88adf2 MH |
3922 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
3923 | { | |
3924 | struct btusb_data *data = usb_get_intfdata(intf); | |
3925 | ||
3926 | BT_DBG("intf %p", intf); | |
3927 | ||
3928 | if (data->suspend_count++) | |
3929 | return 0; | |
3930 | ||
7bee549e | 3931 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 3932 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
3933 | set_bit(BTUSB_SUSPENDING, &data->flags); |
3934 | spin_unlock_irq(&data->txlock); | |
3935 | } else { | |
3936 | spin_unlock_irq(&data->txlock); | |
3937 | data->suspend_count--; | |
3938 | return -EBUSY; | |
3939 | } | |
3940 | ||
6a88adf2 MH |
3941 | cancel_work_sync(&data->work); |
3942 | ||
7bee549e | 3943 | btusb_stop_traffic(data); |
6a88adf2 MH |
3944 | usb_kill_anchored_urbs(&data->tx_anchor); |
3945 | ||
fd913ef7 RJ |
3946 | if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) { |
3947 | set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
3948 | enable_irq_wake(data->oob_wake_irq); | |
3949 | enable_irq(data->oob_wake_irq); | |
3950 | } | |
3951 | ||
6a88adf2 MH |
3952 | return 0; |
3953 | } | |
3954 | ||
7bee549e ON |
3955 | static void play_deferred(struct btusb_data *data) |
3956 | { | |
3957 | struct urb *urb; | |
3958 | int err; | |
3959 | ||
3960 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
19cfe912 JC |
3961 | usb_anchor_urb(urb, &data->tx_anchor); |
3962 | ||
7bee549e | 3963 | err = usb_submit_urb(urb, GFP_ATOMIC); |
19cfe912 JC |
3964 | if (err < 0) { |
3965 | if (err != -EPERM && err != -ENODEV) | |
3966 | BT_ERR("%s urb %p submission failed (%d)", | |
3967 | data->hdev->name, urb, -err); | |
3968 | kfree(urb->setup_packet); | |
3969 | usb_unanchor_urb(urb); | |
3970 | usb_free_urb(urb); | |
7bee549e | 3971 | break; |
19cfe912 | 3972 | } |
7bee549e ON |
3973 | |
3974 | data->tx_in_flight++; | |
19cfe912 JC |
3975 | usb_free_urb(urb); |
3976 | } | |
3977 | ||
3978 | /* Cleanup the rest deferred urbs. */ | |
3979 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
3980 | kfree(urb->setup_packet); | |
3981 | usb_free_urb(urb); | |
7bee549e | 3982 | } |
7bee549e ON |
3983 | } |
3984 | ||
6a88adf2 MH |
3985 | static int btusb_resume(struct usb_interface *intf) |
3986 | { | |
3987 | struct btusb_data *data = usb_get_intfdata(intf); | |
3988 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 3989 | int err = 0; |
6a88adf2 MH |
3990 | |
3991 | BT_DBG("intf %p", intf); | |
3992 | ||
3993 | if (--data->suspend_count) | |
3994 | return 0; | |
3995 | ||
fd913ef7 RJ |
3996 | /* Disable only if not already disabled (keep it balanced) */ |
3997 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
3998 | disable_irq(data->oob_wake_irq); | |
3999 | disable_irq_wake(data->oob_wake_irq); | |
4000 | } | |
4001 | ||
6a88adf2 | 4002 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 4003 | goto done; |
6a88adf2 MH |
4004 | |
4005 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
4006 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
4007 | if (err < 0) { | |
4008 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 4009 | goto failed; |
6a88adf2 MH |
4010 | } |
4011 | } | |
4012 | ||
4013 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
4014 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
4015 | if (err < 0) { | |
6a88adf2 | 4016 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
4017 | goto failed; |
4018 | } | |
4019 | ||
4020 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
4021 | } |
4022 | ||
4023 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
4024 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
4025 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
4026 | else | |
4027 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
4028 | } | |
4029 | ||
7bee549e ON |
4030 | spin_lock_irq(&data->txlock); |
4031 | play_deferred(data); | |
4032 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
4033 | spin_unlock_irq(&data->txlock); | |
4034 | schedule_work(&data->work); | |
4035 | ||
6a88adf2 | 4036 | return 0; |
7bee549e ON |
4037 | |
4038 | failed: | |
4039 | usb_scuttle_anchored_urbs(&data->deferred); | |
4040 | done: | |
4041 | spin_lock_irq(&data->txlock); | |
4042 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
4043 | spin_unlock_irq(&data->txlock); | |
4044 | ||
4045 | return err; | |
6a88adf2 | 4046 | } |
7bee549e | 4047 | #endif |
6a88adf2 | 4048 | |
5e23b923 MH |
4049 | static struct usb_driver btusb_driver = { |
4050 | .name = "btusb", | |
4051 | .probe = btusb_probe, | |
4052 | .disconnect = btusb_disconnect, | |
7bee549e | 4053 | #ifdef CONFIG_PM |
6a88adf2 MH |
4054 | .suspend = btusb_suspend, |
4055 | .resume = btusb_resume, | |
7bee549e | 4056 | #endif |
5e23b923 | 4057 | .id_table = btusb_table, |
7bee549e | 4058 | .supports_autosuspend = 1, |
e1f12eb6 | 4059 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
4060 | }; |
4061 | ||
93f1508c | 4062 | module_usb_driver(btusb_driver); |
5e23b923 | 4063 | |
cfeb4145 MH |
4064 | module_param(disable_scofix, bool, 0644); |
4065 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
4066 | ||
4067 | module_param(force_scofix, bool, 0644); | |
4068 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
4069 | ||
eff2d68c HG |
4070 | module_param(enable_autosuspend, bool, 0644); |
4071 | MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default"); | |
4072 | ||
cfeb4145 MH |
4073 | module_param(reset, bool, 0644); |
4074 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
4075 | ||
5e23b923 MH |
4076 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
4077 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
4078 | MODULE_VERSION(VERSION); | |
4079 | MODULE_LICENSE("GPL"); |