Commit | Line | Data |
---|---|---|
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 |
3e4e3f73 | 60 | #define BTUSB_WIDEBAND_SPEECH 0x400000 |
22091585 | 61 | #define BTUSB_VALID_LE_STATES 0x800000 |
b40f58b9 | 62 | #define BTUSB_QCA_WCN6855 0x1000000 |
0a3c1d45 | 63 | #define BTUSB_INTEL_NEWGEN 0x2000000 |
5e23b923 | 64 | |
54265202 | 65 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
66 | /* Generic Bluetooth USB device */ |
67 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
68 | ||
893ba544 MH |
69 | /* Generic Bluetooth AMP device */ |
70 | { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP }, | |
71 | ||
d63b2826 DD |
72 | /* Generic Bluetooth USB interface */ |
73 | { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) }, | |
74 | ||
1fa6535f | 75 | /* Apple-specific (Broadcom) devices */ |
17b2772b | 76 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01), |
22f8e9db | 77 | .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 }, |
1fa6535f | 78 | |
178c059e CYC |
79 | /* MediaTek MT76x0E */ |
80 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
81 | ||
c510eae3 | 82 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 83 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 84 | |
3cd01976 NI |
85 | /* Apple MacBookPro 7,1 */ |
86 | { USB_DEVICE(0x05ac, 0x8213) }, | |
87 | ||
0a79f674 CL |
88 | /* Apple iMac11,1 */ |
89 | { USB_DEVICE(0x05ac, 0x8215) }, | |
90 | ||
9c047157 NI |
91 | /* Apple MacBookPro6,2 */ |
92 | { USB_DEVICE(0x05ac, 0x8218) }, | |
93 | ||
3e3ede7d EH |
94 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
95 | { USB_DEVICE(0x05ac, 0x821b) }, | |
96 | ||
a63b723d PAVM |
97 | /* Apple MacBookAir4,1 */ |
98 | { USB_DEVICE(0x05ac, 0x821f) }, | |
99 | ||
88d377b6 MAP |
100 | /* Apple MacBookPro8,2 */ |
101 | { USB_DEVICE(0x05ac, 0x821a) }, | |
102 | ||
f78b6826 JK |
103 | /* Apple MacMini5,1 */ |
104 | { USB_DEVICE(0x05ac, 0x8281) }, | |
105 | ||
cfeb4145 | 106 | /* AVM BlueFRITZ! USB v2.0 */ |
4fcef8ed | 107 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE }, |
cfeb4145 MH |
108 | |
109 | /* Bluetooth Ultraport Module from IBM */ | |
110 | { USB_DEVICE(0x04bf, 0x030a) }, | |
111 | ||
112 | /* ALPS Modules with non-standard id */ | |
113 | { USB_DEVICE(0x044e, 0x3001) }, | |
114 | { USB_DEVICE(0x044e, 0x3002) }, | |
115 | ||
116 | /* Ericsson with non-standard id */ | |
117 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
118 | ||
119 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 120 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 121 | |
d13431ca WJS |
122 | /* Broadcom BCM20702A0 */ |
123 | { USB_DEVICE(0x413c, 0x8197) }, | |
124 | ||
d049f4e5 MH |
125 | /* Broadcom BCM20702B0 (Dynex/Insignia) */ |
126 | { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM }, | |
127 | ||
2faf71ce | 128 | /* Broadcom BCM43142A0 (Foxconn/Lenovo) */ |
628c26b4 DT |
129 | { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01), |
130 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
2faf71ce | 131 | |
a57bac43 CH |
132 | /* Broadcom BCM920703 (HTC Vive) */ |
133 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01), | |
134 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
135 | ||
98514036 | 136 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
137 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
138 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 139 | |
8f0c304c MD |
140 | /* Lite-On Technology - Broadcom based */ |
141 | { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01), | |
142 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
143 | ||
0b880062 | 144 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
145 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
146 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 147 | |
c2aef6e8 | 148 | /* ASUSTek Computer - Broadcom based */ |
9a5abdaa RD |
149 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01), |
150 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
c2aef6e8 | 151 | |
5bcecf32 | 152 | /* Belkin F8065bf - Broadcom based */ |
6331c686 MH |
153 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01), |
154 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
5bcecf32 | 155 | |
9113bfd8 | 156 | /* IMC Networks - Broadcom based */ |
6331c686 MH |
157 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01), |
158 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
9113bfd8 | 159 | |
fdfddc60 WJS |
160 | /* Dell Computer - Broadcom based */ |
161 | { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01), | |
162 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
163 | ||
1623d0bf DT |
164 | /* Toshiba Corp - Broadcom based */ |
165 | { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01), | |
166 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
167 | ||
40df783d | 168 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
169 | { USB_DEVICE(0x8087, 0x0a5a), |
170 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 171 | |
5e23b923 MH |
172 | { } /* Terminating entry */ |
173 | }; | |
174 | ||
175 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
176 | ||
54265202 | 177 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
178 | /* CSR BlueCore devices */ |
179 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
180 | ||
181 | /* Broadcom BCM2033 without firmware */ | |
182 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
183 | ||
6c9d435d MH |
184 | /* Broadcom BCM2045 devices */ |
185 | { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 }, | |
186 | ||
be93112a | 187 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
188 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
189 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
2eeff0b4 | 190 | { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE }, |
0b880062 | 191 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
be93112a | 192 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 193 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 194 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 195 | |
509e7861 CYC |
196 | /* Atheros AR9285 Malbec with sflash firmware */ |
197 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
198 | ||
d9f51b51 | 199 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
200 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
201 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
202 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
203 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
204 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
692c062e | 205 | { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, |
4b552bc9 | 206 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
28c971d8 | 207 | { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
208 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
209 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
210 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
211 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 212 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
213 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
214 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
7e730c7f | 215 | { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, |
ec0810d2 | 216 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, |
134d3b35 | 217 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
81d90442 | 218 | { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, |
441ad62d | 219 | { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 220 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
cd355ff0 | 221 | { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 222 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
89d2975f | 223 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 224 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 225 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
544a5916 | 226 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 227 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 228 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 229 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 230 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 231 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 232 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
18e0afab | 233 | { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 234 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 235 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 236 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
ca79f232 | 237 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
238 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
239 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 240 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
609574eb | 241 | { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 242 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 243 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
033efa92 | 244 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 245 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
75c6aca4 | 246 | { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, |
0d0cef61 | 247 | { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, |
72f9f8b5 | 248 | { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, |
12d86896 | 249 | { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 250 | |
e9036e33 CYC |
251 | /* Atheros AR5BBU12 with sflash firmware */ |
252 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
253 | ||
85d59726 | 254 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 255 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 256 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 257 | |
3267c884 | 258 | /* QCA ROME chipset */ |
e99f38b8 RL |
259 | { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME | |
260 | BTUSB_WIDEBAND_SPEECH }, | |
261 | { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME | | |
262 | BTUSB_WIDEBAND_SPEECH }, | |
263 | { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME | | |
264 | BTUSB_WIDEBAND_SPEECH }, | |
265 | { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME | | |
266 | BTUSB_WIDEBAND_SPEECH }, | |
267 | { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME | | |
268 | BTUSB_WIDEBAND_SPEECH }, | |
269 | { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME | | |
270 | BTUSB_WIDEBAND_SPEECH }, | |
271 | { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME | | |
272 | BTUSB_WIDEBAND_SPEECH }, | |
273 | { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME | | |
274 | BTUSB_WIDEBAND_SPEECH }, | |
275 | { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME | | |
276 | BTUSB_WIDEBAND_SPEECH }, | |
277 | { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME | | |
278 | BTUSB_WIDEBAND_SPEECH }, | |
279 | { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME | | |
280 | BTUSB_WIDEBAND_SPEECH }, | |
281 | { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME | | |
282 | BTUSB_WIDEBAND_SPEECH }, | |
283 | { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME | | |
284 | BTUSB_WIDEBAND_SPEECH }, | |
285 | { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME | | |
286 | BTUSB_WIDEBAND_SPEECH }, | |
287 | { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME | | |
288 | BTUSB_WIDEBAND_SPEECH }, | |
289 | { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME | | |
290 | BTUSB_WIDEBAND_SPEECH }, | |
291 | { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME | | |
292 | BTUSB_WIDEBAND_SPEECH }, | |
293 | { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME | | |
294 | BTUSB_WIDEBAND_SPEECH }, | |
3267c884 | 295 | |
b40f58b9 RL |
296 | /* QCA WCN6855 chipset */ |
297 | { USB_DEVICE(0x0cf3, 0xe600), .driver_info = BTUSB_QCA_WCN6855 | | |
298 | BTUSB_WIDEBAND_SPEECH }, | |
299 | ||
cfeb4145 | 300 | /* Broadcom BCM2035 */ |
7a9d4020 | 301 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
302 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
303 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
304 | |
305 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
306 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
307 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 308 | |
cfeb4145 | 309 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
310 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
311 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
312 | |
313 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 314 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
315 | |
316 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 317 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 318 | |
5ddd4a60 | 319 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 320 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 321 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 322 | |
7a9d4020 MH |
323 | /* Belkin F8T012 and F8T013 devices */ |
324 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
325 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 326 | |
5ddd4a60 MH |
327 | /* Asus WL-BTD202 device */ |
328 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
329 | ||
330 | /* Kensington Bluetooth USB adapter */ | |
331 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
332 | ||
cfeb4145 MH |
333 | /* RTX Telecom based adapters with buggy SCO support */ |
334 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
335 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
336 | ||
337 | /* CONWISE Technology based adapters with buggy SCO support */ | |
418678b0 SJ |
338 | { USB_DEVICE(0x0e5e, 0x6622), |
339 | .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622}, | |
cfeb4145 | 340 | |
4fcef8ed | 341 | /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */ |
2eeac871 | 342 | { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE }, |
4fcef8ed | 343 | |
cfeb4145 MH |
344 | /* Digianswer devices */ |
345 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
346 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
347 | ||
348 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
349 | { USB_DEVICE(0x0a12, 0x0002), |
350 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
351 | |
352 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
353 | { USB_DEVICE(0x16d3, 0x0002), |
354 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 355 | |
cb1ee89f MH |
356 | /* Marvell Bluetooth devices */ |
357 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
358 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
1165df0e | 359 | { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL }, |
cb1ee89f | 360 | |
d0ac9eb7 | 361 | /* Intel Bluetooth devices */ |
3e4e3f73 | 362 | { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW | |
aff8c489 AM |
363 | BTUSB_WIDEBAND_SPEECH | |
364 | BTUSB_VALID_LE_STATES }, | |
3e4e3f73 AM |
365 | { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW | |
366 | BTUSB_WIDEBAND_SPEECH }, | |
367 | { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW | | |
368 | BTUSB_WIDEBAND_SPEECH }, | |
10c24231 | 369 | { USB_DEVICE(0x8087, 0x0032), .driver_info = BTUSB_INTEL_NEWGEN | |
875e1675 | 370 | BTUSB_WIDEBAND_SPEECH}, |
f01bb2a3 K |
371 | { USB_DEVICE(0x8087, 0x0033), .driver_info = BTUSB_INTEL_NEWGEN | |
372 | BTUSB_WIDEBAND_SPEECH}, | |
407550fe | 373 | { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR }, |
dffd30ee | 374 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, |
ef4e5e4a | 375 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
3e4e3f73 AM |
376 | { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW | |
377 | BTUSB_WIDEBAND_SPEECH }, | |
378 | { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL | | |
379 | BTUSB_WIDEBAND_SPEECH }, | |
380 | { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW | | |
aff8c489 AM |
381 | BTUSB_WIDEBAND_SPEECH | |
382 | BTUSB_VALID_LE_STATES }, | |
dffd30ee | 383 | |
d0ac9eb7 MH |
384 | /* Other Intel Bluetooth devices */ |
385 | { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01), | |
386 | .driver_info = BTUSB_IGNORE }, | |
ae8df494 | 387 | |
33bfd94a JH |
388 | /* Realtek 8822CE Bluetooth devices */ |
389 | { USB_DEVICE(0x0bda, 0xb00c), .driver_info = BTUSB_REALTEK | | |
390 | BTUSB_WIDEBAND_SPEECH }, | |
391 | ||
0d484db6 MC |
392 | /* Realtek 8852AE Bluetooth devices */ |
393 | { USB_DEVICE(0x0bda, 0xc852), .driver_info = BTUSB_REALTEK | | |
394 | BTUSB_WIDEBAND_SPEECH }, | |
395 | ||
a2698a9b DD |
396 | /* Realtek Bluetooth devices */ |
397 | { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01), | |
398 | .driver_info = BTUSB_REALTEK }, | |
399 | ||
a1c49c43 SW |
400 | /* MediaTek Bluetooth devices */ |
401 | { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01), | |
27e554a4 | 402 | .driver_info = BTUSB_MEDIATEK | |
403 | BTUSB_WIDEBAND_SPEECH | | |
404 | BTUSB_VALID_LE_STATES }, | |
a1c49c43 | 405 | |
3a567b95 CC |
406 | /* Additional MediaTek MT7615E Bluetooth devices */ |
407 | { USB_DEVICE(0x13d3, 0x3560), .driver_info = BTUSB_MEDIATEK}, | |
408 | ||
a2698a9b DD |
409 | /* Additional Realtek 8723AE Bluetooth devices */ |
410 | { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK }, | |
411 | { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK }, | |
412 | ||
413 | /* Additional Realtek 8723BE Bluetooth devices */ | |
414 | { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK }, | |
415 | { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK }, | |
416 | { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK }, | |
417 | { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK }, | |
418 | { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK }, | |
a81d72d2 | 419 | { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK }, |
a2698a9b | 420 | |
a41e0796 VB |
421 | /* Additional Realtek 8723BU Bluetooth devices */ |
422 | { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK }, | |
423 | ||
66d9975c | 424 | /* Additional Realtek 8723DE Bluetooth devices */ |
45ae68b8 | 425 | { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK }, |
66d9975c JHP |
426 | { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK }, |
427 | ||
a2698a9b DD |
428 | /* Additional Realtek 8821AE Bluetooth devices */ |
429 | { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK }, | |
430 | { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK }, | |
431 | { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK }, | |
432 | { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK }, | |
433 | { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK }, | |
434 | ||
fed03fe7 | 435 | /* Additional Realtek 8822BE Bluetooth devices */ |
1cd2fabf | 436 | { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK }, |
fed03fe7 LF |
437 | { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK }, |
438 | ||
6d0762b1 | 439 | /* Additional Realtek 8822CE Bluetooth devices */ |
73280f13 MC |
440 | { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK | |
441 | BTUSB_WIDEBAND_SPEECH }, | |
442 | { USB_DEVICE(0x04c5, 0x161f), .driver_info = BTUSB_REALTEK | | |
443 | BTUSB_WIDEBAND_SPEECH }, | |
444 | { USB_DEVICE(0x0b05, 0x18ef), .driver_info = BTUSB_REALTEK | | |
445 | BTUSB_WIDEBAND_SPEECH }, | |
446 | { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK | | |
447 | BTUSB_WIDEBAND_SPEECH }, | |
448 | { USB_DEVICE(0x13d3, 0x3549), .driver_info = BTUSB_REALTEK | | |
449 | BTUSB_WIDEBAND_SPEECH }, | |
450 | { USB_DEVICE(0x13d3, 0x3553), .driver_info = BTUSB_REALTEK | | |
451 | BTUSB_WIDEBAND_SPEECH }, | |
452 | { USB_DEVICE(0x13d3, 0x3555), .driver_info = BTUSB_REALTEK | | |
453 | BTUSB_WIDEBAND_SPEECH }, | |
454 | { USB_DEVICE(0x2ff8, 0x3051), .driver_info = BTUSB_REALTEK | | |
455 | BTUSB_WIDEBAND_SPEECH }, | |
f496297e JP |
456 | { USB_DEVICE(0x1358, 0xc123), .driver_info = BTUSB_REALTEK | |
457 | BTUSB_WIDEBAND_SPEECH }, | |
24d6a6d2 CW |
458 | { USB_DEVICE(0x0bda, 0xc123), .driver_info = BTUSB_REALTEK | |
459 | BTUSB_WIDEBAND_SPEECH }, | |
3edc5782 RM |
460 | { USB_DEVICE(0x0cb5, 0xc547), .driver_info = BTUSB_REALTEK | |
461 | BTUSB_WIDEBAND_SPEECH }, | |
6d0762b1 | 462 | |
4481c076 PP |
463 | /* Silicon Wave based devices */ |
464 | { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE }, | |
465 | ||
5e23b923 MH |
466 | { } /* Terminating entry */ |
467 | }; | |
468 | ||
1fdb9269 HG |
469 | /* The Bluetooth USB module build into some devices needs to be reset on resume, |
470 | * this is a problem with the platform (likely shutting off all power) not with | |
471 | * the module itself. So we use a DMI list to match known broken platforms. | |
472 | */ | |
473 | static const struct dmi_system_id btusb_needs_reset_resume_table[] = { | |
474 | { | |
0c6e5266 | 475 | /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */ |
1fdb9269 | 476 | .matches = { |
0c6e5266 KHF |
477 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), |
478 | DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"), | |
1fdb9269 HG |
479 | }, |
480 | }, | |
596b07a9 HG |
481 | { |
482 | /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */ | |
483 | .matches = { | |
484 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
485 | DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"), | |
486 | }, | |
487 | }, | |
939bc6c5 HG |
488 | { |
489 | /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */ | |
490 | .matches = { | |
491 | DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."), | |
492 | DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"), | |
493 | }, | |
494 | }, | |
1fdb9269 HG |
495 | {} |
496 | }; | |
497 | ||
9bfa35fe MH |
498 | #define BTUSB_MAX_ISOC_FRAMES 10 |
499 | ||
5e23b923 MH |
500 | #define BTUSB_INTR_RUNNING 0 |
501 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 502 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 503 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 504 | #define BTUSB_DID_ISO_RESUME 4 |
cda0dd78 MH |
505 | #define BTUSB_BOOTLOADER 5 |
506 | #define BTUSB_DOWNLOADING 6 | |
ce6bb929 | 507 | #define BTUSB_FIRMWARE_LOADED 7 |
cda0dd78 | 508 | #define BTUSB_FIRMWARE_FAILED 8 |
ce6bb929 | 509 | #define BTUSB_BOOTING 9 |
61f5acea HG |
510 | #define BTUSB_DIAG_RUNNING 10 |
511 | #define BTUSB_OOB_WAKE_ENABLED 11 | |
dc786b2c | 512 | #define BTUSB_HW_RESET_ACTIVE 12 |
a1c49c43 | 513 | #define BTUSB_TX_WAIT_VND_EVT 13 |
9e45524a | 514 | #define BTUSB_WAKEUP_DISABLE 14 |
5e23b923 MH |
515 | |
516 | struct btusb_data { | |
517 | struct hci_dev *hdev; | |
518 | struct usb_device *udev; | |
5fbcd260 | 519 | struct usb_interface *intf; |
9bfa35fe | 520 | struct usb_interface *isoc; |
9d08f504 | 521 | struct usb_interface *diag; |
459232fc | 522 | unsigned isoc_ifnum; |
5e23b923 | 523 | |
5e23b923 MH |
524 | unsigned long flags; |
525 | ||
526 | struct work_struct work; | |
7bee549e | 527 | struct work_struct waker; |
5e23b923 | 528 | |
803b5836 | 529 | struct usb_anchor deferred; |
5e23b923 | 530 | struct usb_anchor tx_anchor; |
803b5836 MH |
531 | int tx_in_flight; |
532 | spinlock_t txlock; | |
533 | ||
5e23b923 MH |
534 | struct usb_anchor intr_anchor; |
535 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 536 | struct usb_anchor isoc_anchor; |
9d08f504 | 537 | struct usb_anchor diag_anchor; |
a1c49c43 | 538 | struct usb_anchor ctrl_anchor; |
803b5836 MH |
539 | spinlock_t rxlock; |
540 | ||
541 | struct sk_buff *evt_skb; | |
542 | struct sk_buff *acl_skb; | |
543 | struct sk_buff *sco_skb; | |
5e23b923 MH |
544 | |
545 | struct usb_endpoint_descriptor *intr_ep; | |
546 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
547 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
548 | struct usb_endpoint_descriptor *isoc_tx_ep; |
549 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
9d08f504 MH |
550 | struct usb_endpoint_descriptor *diag_tx_ep; |
551 | struct usb_endpoint_descriptor *diag_rx_ep; | |
9bfa35fe | 552 | |
dc786b2c RJ |
553 | struct gpio_desc *reset_gpio; |
554 | ||
7a9d4020 | 555 | __u8 cmdreq_type; |
893ba544 | 556 | __u8 cmdreq; |
7a9d4020 | 557 | |
43c2e57f | 558 | unsigned int sco_num; |
baac6276 SN |
559 | unsigned int air_mode; |
560 | bool usb_alt6_packet_flow; | |
9bfa35fe | 561 | int isoc_altsetting; |
6a88adf2 | 562 | int suspend_count; |
2cbd3f5c | 563 | |
97307f51 | 564 | int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb); |
2cbd3f5c | 565 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); |
ace31982 KBYT |
566 | |
567 | int (*setup_on_usb)(struct hci_dev *hdev); | |
fd913ef7 RJ |
568 | |
569 | int oob_wake_irq; /* irq for out-of-band wake-on-bt */ | |
dc786b2c | 570 | unsigned cmd_timeout_cnt; |
5e23b923 MH |
571 | }; |
572 | ||
dc786b2c RJ |
573 | static void btusb_intel_cmd_timeout(struct hci_dev *hdev) |
574 | { | |
575 | struct btusb_data *data = hci_get_drvdata(hdev); | |
576 | struct gpio_desc *reset_gpio = data->reset_gpio; | |
577 | ||
578 | if (++data->cmd_timeout_cnt < 5) | |
579 | return; | |
580 | ||
581 | if (!reset_gpio) { | |
582 | bt_dev_err(hdev, "No way to reset. Ignoring and continuing"); | |
583 | return; | |
584 | } | |
585 | ||
586 | /* | |
587 | * Toggle the hard reset line if the platform provides one. The reset | |
588 | * is going to yank the device off the USB and then replug. So doing | |
589 | * once is enough. The cleanup is handled correctly on the way out | |
590 | * (standard USB disconnect), and the new device is detected cleanly | |
591 | * and bound to the driver again like it should be. | |
592 | */ | |
593 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { | |
594 | bt_dev_err(hdev, "last reset failed? Not resetting again"); | |
595 | return; | |
596 | } | |
597 | ||
598 | bt_dev_err(hdev, "Initiating HW reset via gpio"); | |
2de66bb8 RJ |
599 | gpiod_set_value_cansleep(reset_gpio, 1); |
600 | msleep(100); | |
601 | gpiod_set_value_cansleep(reset_gpio, 0); | |
dc786b2c RJ |
602 | } |
603 | ||
d7ef0d1e AL |
604 | static void btusb_rtl_cmd_timeout(struct hci_dev *hdev) |
605 | { | |
606 | struct btusb_data *data = hci_get_drvdata(hdev); | |
607 | struct gpio_desc *reset_gpio = data->reset_gpio; | |
608 | ||
609 | if (++data->cmd_timeout_cnt < 5) | |
610 | return; | |
611 | ||
612 | if (!reset_gpio) { | |
613 | bt_dev_err(hdev, "No gpio to reset Realtek device, ignoring"); | |
614 | return; | |
615 | } | |
616 | ||
617 | /* Toggle the hard reset line. The Realtek device is going to | |
618 | * yank itself off the USB and then replug. The cleanup is handled | |
619 | * correctly on the way out (standard USB disconnect), and the new | |
620 | * device is detected cleanly and bound to the driver again like | |
621 | * it should be. | |
622 | */ | |
623 | if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) { | |
624 | bt_dev_err(hdev, "last reset failed? Not resetting again"); | |
625 | return; | |
626 | } | |
627 | ||
628 | bt_dev_err(hdev, "Reset Realtek device via gpio"); | |
d7ef0d1e | 629 | gpiod_set_value_cansleep(reset_gpio, 1); |
34682110 MC |
630 | msleep(200); |
631 | gpiod_set_value_cansleep(reset_gpio, 0); | |
d7ef0d1e AL |
632 | } |
633 | ||
6933568a APS |
634 | static void btusb_qca_cmd_timeout(struct hci_dev *hdev) |
635 | { | |
636 | struct btusb_data *data = hci_get_drvdata(hdev); | |
637 | int err; | |
638 | ||
639 | if (++data->cmd_timeout_cnt < 5) | |
640 | return; | |
641 | ||
642 | bt_dev_err(hdev, "Multiple cmd timeouts seen. Resetting usb device."); | |
b980d477 | 643 | /* This is not an unbalanced PM reference since the device will reset */ |
6933568a APS |
644 | err = usb_autopm_get_interface(data->intf); |
645 | if (!err) | |
646 | usb_queue_reset_device(data->intf); | |
647 | else | |
648 | bt_dev_err(hdev, "Failed usb_autopm_get_interface with %d", err); | |
649 | } | |
650 | ||
803b5836 MH |
651 | static inline void btusb_free_frags(struct btusb_data *data) |
652 | { | |
653 | unsigned long flags; | |
654 | ||
655 | spin_lock_irqsave(&data->rxlock, flags); | |
656 | ||
657 | kfree_skb(data->evt_skb); | |
658 | data->evt_skb = NULL; | |
659 | ||
660 | kfree_skb(data->acl_skb); | |
661 | data->acl_skb = NULL; | |
662 | ||
663 | kfree_skb(data->sco_skb); | |
664 | data->sco_skb = NULL; | |
665 | ||
666 | spin_unlock_irqrestore(&data->rxlock, flags); | |
667 | } | |
668 | ||
1ffa4ad0 MH |
669 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
670 | { | |
803b5836 | 671 | struct sk_buff *skb; |
a5e50d5b | 672 | unsigned long flags; |
803b5836 MH |
673 | int err = 0; |
674 | ||
a5e50d5b | 675 | spin_lock_irqsave(&data->rxlock, flags); |
803b5836 MH |
676 | skb = data->evt_skb; |
677 | ||
678 | while (count) { | |
679 | int len; | |
680 | ||
681 | if (!skb) { | |
682 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
683 | if (!skb) { | |
684 | err = -ENOMEM; | |
685 | break; | |
686 | } | |
687 | ||
618e8bc2 MH |
688 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
689 | hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE; | |
803b5836 MH |
690 | } |
691 | ||
618e8bc2 | 692 | len = min_t(uint, hci_skb_expect(skb), count); |
59ae1d12 | 693 | skb_put_data(skb, buffer, len); |
803b5836 MH |
694 | |
695 | count -= len; | |
696 | buffer += len; | |
618e8bc2 | 697 | hci_skb_expect(skb) -= len; |
803b5836 MH |
698 | |
699 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
700 | /* Complete event header */ | |
618e8bc2 | 701 | hci_skb_expect(skb) = hci_event_hdr(skb)->plen; |
803b5836 | 702 | |
618e8bc2 | 703 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
704 | kfree_skb(skb); |
705 | skb = NULL; | |
706 | ||
707 | err = -EILSEQ; | |
708 | break; | |
709 | } | |
710 | } | |
711 | ||
618e8bc2 | 712 | if (!hci_skb_expect(skb)) { |
803b5836 | 713 | /* Complete frame */ |
97307f51 | 714 | data->recv_event(data->hdev, skb); |
803b5836 MH |
715 | skb = NULL; |
716 | } | |
717 | } | |
718 | ||
719 | data->evt_skb = skb; | |
a5e50d5b | 720 | spin_unlock_irqrestore(&data->rxlock, flags); |
803b5836 MH |
721 | |
722 | return err; | |
1ffa4ad0 MH |
723 | } |
724 | ||
725 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
726 | { | |
803b5836 | 727 | struct sk_buff *skb; |
a5e50d5b | 728 | unsigned long flags; |
803b5836 MH |
729 | int err = 0; |
730 | ||
a5e50d5b | 731 | spin_lock_irqsave(&data->rxlock, flags); |
803b5836 MH |
732 | skb = data->acl_skb; |
733 | ||
734 | while (count) { | |
735 | int len; | |
736 | ||
737 | if (!skb) { | |
738 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
739 | if (!skb) { | |
740 | err = -ENOMEM; | |
741 | break; | |
742 | } | |
743 | ||
618e8bc2 MH |
744 | hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT; |
745 | hci_skb_expect(skb) = HCI_ACL_HDR_SIZE; | |
803b5836 MH |
746 | } |
747 | ||
618e8bc2 | 748 | len = min_t(uint, hci_skb_expect(skb), count); |
59ae1d12 | 749 | skb_put_data(skb, buffer, len); |
803b5836 MH |
750 | |
751 | count -= len; | |
752 | buffer += len; | |
618e8bc2 | 753 | hci_skb_expect(skb) -= len; |
803b5836 MH |
754 | |
755 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
756 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
757 | ||
758 | /* Complete ACL header */ | |
618e8bc2 | 759 | hci_skb_expect(skb) = __le16_to_cpu(dlen); |
803b5836 | 760 | |
618e8bc2 | 761 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
762 | kfree_skb(skb); |
763 | skb = NULL; | |
764 | ||
765 | err = -EILSEQ; | |
766 | break; | |
767 | } | |
768 | } | |
769 | ||
618e8bc2 | 770 | if (!hci_skb_expect(skb)) { |
803b5836 MH |
771 | /* Complete frame */ |
772 | hci_recv_frame(data->hdev, skb); | |
773 | skb = NULL; | |
774 | } | |
775 | } | |
776 | ||
777 | data->acl_skb = skb; | |
a5e50d5b | 778 | spin_unlock_irqrestore(&data->rxlock, flags); |
803b5836 MH |
779 | |
780 | return err; | |
1ffa4ad0 MH |
781 | } |
782 | ||
783 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
784 | { | |
803b5836 | 785 | struct sk_buff *skb; |
a5e50d5b | 786 | unsigned long flags; |
803b5836 MH |
787 | int err = 0; |
788 | ||
a5e50d5b | 789 | spin_lock_irqsave(&data->rxlock, flags); |
803b5836 MH |
790 | skb = data->sco_skb; |
791 | ||
792 | while (count) { | |
793 | int len; | |
794 | ||
795 | if (!skb) { | |
796 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
797 | if (!skb) { | |
798 | err = -ENOMEM; | |
799 | break; | |
800 | } | |
801 | ||
618e8bc2 MH |
802 | hci_skb_pkt_type(skb) = HCI_SCODATA_PKT; |
803 | hci_skb_expect(skb) = HCI_SCO_HDR_SIZE; | |
803b5836 MH |
804 | } |
805 | ||
618e8bc2 | 806 | len = min_t(uint, hci_skb_expect(skb), count); |
59ae1d12 | 807 | skb_put_data(skb, buffer, len); |
803b5836 MH |
808 | |
809 | count -= len; | |
810 | buffer += len; | |
618e8bc2 | 811 | hci_skb_expect(skb) -= len; |
803b5836 MH |
812 | |
813 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
814 | /* Complete SCO header */ | |
618e8bc2 | 815 | hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen; |
803b5836 | 816 | |
618e8bc2 | 817 | if (skb_tailroom(skb) < hci_skb_expect(skb)) { |
803b5836 MH |
818 | kfree_skb(skb); |
819 | skb = NULL; | |
820 | ||
821 | err = -EILSEQ; | |
822 | break; | |
823 | } | |
824 | } | |
825 | ||
618e8bc2 | 826 | if (!hci_skb_expect(skb)) { |
803b5836 MH |
827 | /* Complete frame */ |
828 | hci_recv_frame(data->hdev, skb); | |
829 | skb = NULL; | |
830 | } | |
831 | } | |
832 | ||
833 | data->sco_skb = skb; | |
a5e50d5b | 834 | spin_unlock_irqrestore(&data->rxlock, flags); |
803b5836 MH |
835 | |
836 | return err; | |
1ffa4ad0 MH |
837 | } |
838 | ||
5e23b923 MH |
839 | static void btusb_intr_complete(struct urb *urb) |
840 | { | |
841 | struct hci_dev *hdev = urb->context; | |
155961e8 | 842 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
843 | int err; |
844 | ||
89e7533d MH |
845 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
846 | urb->actual_length); | |
5e23b923 MH |
847 | |
848 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
849 | return; | |
850 | ||
851 | if (urb->status == 0) { | |
9bfa35fe MH |
852 | hdev->stat.byte_rx += urb->actual_length; |
853 | ||
1ffa4ad0 MH |
854 | if (btusb_recv_intr(data, urb->transfer_buffer, |
855 | urb->actual_length) < 0) { | |
2064ee33 | 856 | bt_dev_err(hdev, "corrupted event packet"); |
5e23b923 MH |
857 | hdev->stat.err_rx++; |
858 | } | |
85560c4a CC |
859 | } else if (urb->status == -ENOENT) { |
860 | /* Avoid suspend failed when usb_kill_urb */ | |
861 | return; | |
5e23b923 MH |
862 | } |
863 | ||
864 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
865 | return; | |
866 | ||
7bee549e | 867 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
868 | usb_anchor_urb(urb, &data->intr_anchor); |
869 | ||
870 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
871 | if (err < 0) { | |
4935f1c1 | 872 | /* -EPERM: urb is being killed; |
d98422cb DR |
873 | * -ENODEV: device got disconnected |
874 | */ | |
4935f1c1 | 875 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
876 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
877 | urb, -err); | |
5e23b923 MH |
878 | usb_unanchor_urb(urb); |
879 | } | |
880 | } | |
881 | ||
2eda66f4 | 882 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 883 | { |
155961e8 | 884 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
885 | struct urb *urb; |
886 | unsigned char *buf; | |
887 | unsigned int pipe; | |
888 | int err, size; | |
889 | ||
890 | BT_DBG("%s", hdev->name); | |
891 | ||
9bfa35fe MH |
892 | if (!data->intr_ep) |
893 | return -ENODEV; | |
894 | ||
2eda66f4 | 895 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
896 | if (!urb) |
897 | return -ENOMEM; | |
898 | ||
899 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
900 | ||
2eda66f4 | 901 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
902 | if (!buf) { |
903 | usb_free_urb(urb); | |
904 | return -ENOMEM; | |
905 | } | |
906 | ||
907 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
908 | ||
909 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 910 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
911 | |
912 | urb->transfer_flags |= URB_FREE_BUFFER; | |
913 | ||
914 | usb_anchor_urb(urb, &data->intr_anchor); | |
915 | ||
2eda66f4 | 916 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 917 | if (err < 0) { |
d4b8d1c9 | 918 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
919 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
920 | urb, -err); | |
5e23b923 | 921 | usb_unanchor_urb(urb); |
5e23b923 MH |
922 | } |
923 | ||
924 | usb_free_urb(urb); | |
925 | ||
926 | return err; | |
927 | } | |
928 | ||
929 | static void btusb_bulk_complete(struct urb *urb) | |
930 | { | |
931 | struct hci_dev *hdev = urb->context; | |
155961e8 | 932 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
933 | int err; |
934 | ||
89e7533d MH |
935 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
936 | urb->actual_length); | |
5e23b923 MH |
937 | |
938 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
939 | return; | |
940 | ||
941 | if (urb->status == 0) { | |
9bfa35fe MH |
942 | hdev->stat.byte_rx += urb->actual_length; |
943 | ||
2cbd3f5c | 944 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 945 | urb->actual_length) < 0) { |
2064ee33 | 946 | bt_dev_err(hdev, "corrupted ACL packet"); |
5e23b923 MH |
947 | hdev->stat.err_rx++; |
948 | } | |
85560c4a CC |
949 | } else if (urb->status == -ENOENT) { |
950 | /* Avoid suspend failed when usb_kill_urb */ | |
951 | return; | |
5e23b923 MH |
952 | } |
953 | ||
954 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
955 | return; | |
956 | ||
957 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 958 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
959 | |
960 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
961 | if (err < 0) { | |
4935f1c1 | 962 | /* -EPERM: urb is being killed; |
d98422cb DR |
963 | * -ENODEV: device got disconnected |
964 | */ | |
4935f1c1 | 965 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
966 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
967 | urb, -err); | |
5e23b923 MH |
968 | usb_unanchor_urb(urb); |
969 | } | |
970 | } | |
971 | ||
2eda66f4 | 972 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 973 | { |
155961e8 | 974 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
975 | struct urb *urb; |
976 | unsigned char *buf; | |
977 | unsigned int pipe; | |
290ba200 | 978 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
979 | |
980 | BT_DBG("%s", hdev->name); | |
981 | ||
9bfa35fe MH |
982 | if (!data->bulk_rx_ep) |
983 | return -ENODEV; | |
984 | ||
2eda66f4 | 985 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
986 | if (!urb) |
987 | return -ENOMEM; | |
988 | ||
2eda66f4 | 989 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
990 | if (!buf) { |
991 | usb_free_urb(urb); | |
992 | return -ENOMEM; | |
993 | } | |
994 | ||
995 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
996 | ||
89e7533d MH |
997 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
998 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
999 | |
1000 | urb->transfer_flags |= URB_FREE_BUFFER; | |
1001 | ||
7bee549e | 1002 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
1003 | usb_anchor_urb(urb, &data->bulk_anchor); |
1004 | ||
2eda66f4 | 1005 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 1006 | if (err < 0) { |
d4b8d1c9 | 1007 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
1008 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
1009 | urb, -err); | |
5e23b923 | 1010 | usb_unanchor_urb(urb); |
5e23b923 MH |
1011 | } |
1012 | ||
1013 | usb_free_urb(urb); | |
1014 | ||
1015 | return err; | |
1016 | } | |
1017 | ||
9bfa35fe MH |
1018 | static void btusb_isoc_complete(struct urb *urb) |
1019 | { | |
1020 | struct hci_dev *hdev = urb->context; | |
155961e8 | 1021 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1022 | int i, err; |
1023 | ||
89e7533d MH |
1024 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
1025 | urb->actual_length); | |
9bfa35fe MH |
1026 | |
1027 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1028 | return; | |
1029 | ||
1030 | if (urb->status == 0) { | |
1031 | for (i = 0; i < urb->number_of_packets; i++) { | |
1032 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
1033 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
1034 | ||
1035 | if (urb->iso_frame_desc[i].status) | |
1036 | continue; | |
1037 | ||
1038 | hdev->stat.byte_rx += length; | |
1039 | ||
1ffa4ad0 MH |
1040 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
1041 | length) < 0) { | |
2064ee33 | 1042 | bt_dev_err(hdev, "corrupted SCO packet"); |
9bfa35fe MH |
1043 | hdev->stat.err_rx++; |
1044 | } | |
1045 | } | |
85560c4a CC |
1046 | } else if (urb->status == -ENOENT) { |
1047 | /* Avoid suspend failed when usb_kill_urb */ | |
1048 | return; | |
9bfa35fe MH |
1049 | } |
1050 | ||
1051 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
1052 | return; | |
1053 | ||
1054 | usb_anchor_urb(urb, &data->isoc_anchor); | |
1055 | ||
1056 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1057 | if (err < 0) { | |
4935f1c1 | 1058 | /* -EPERM: urb is being killed; |
d98422cb DR |
1059 | * -ENODEV: device got disconnected |
1060 | */ | |
4935f1c1 | 1061 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
1062 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
1063 | urb, -err); | |
9bfa35fe MH |
1064 | usb_unanchor_urb(urb); |
1065 | } | |
1066 | } | |
1067 | ||
baac6276 SN |
1068 | static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len, |
1069 | int mtu, struct btusb_data *data) | |
1070 | { | |
1071 | int i, offset = 0; | |
1072 | unsigned int interval; | |
1073 | ||
1074 | BT_DBG("len %d mtu %d", len, mtu); | |
1075 | ||
1076 | /* For mSBC ALT 6 setting the host will send the packet at continuous | |
1077 | * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting | |
1078 | * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets. | |
1079 | * To maintain the rate we send 63bytes of usb packets alternatively for | |
1080 | * 7ms and 8ms to maintain the rate as 7.5ms. | |
1081 | */ | |
1082 | if (data->usb_alt6_packet_flow) { | |
1083 | interval = 7; | |
1084 | data->usb_alt6_packet_flow = false; | |
1085 | } else { | |
1086 | interval = 6; | |
1087 | data->usb_alt6_packet_flow = true; | |
1088 | } | |
1089 | ||
1090 | for (i = 0; i < interval; i++) { | |
1091 | urb->iso_frame_desc[i].offset = offset; | |
1092 | urb->iso_frame_desc[i].length = offset; | |
1093 | } | |
1094 | ||
1095 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
1096 | urb->iso_frame_desc[i].offset = offset; | |
1097 | urb->iso_frame_desc[i].length = len; | |
1098 | i++; | |
1099 | } | |
1100 | ||
1101 | urb->number_of_packets = i; | |
1102 | } | |
1103 | ||
42b16b3f | 1104 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
1105 | { |
1106 | int i, offset = 0; | |
1107 | ||
1108 | BT_DBG("len %d mtu %d", len, mtu); | |
1109 | ||
1110 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
1111 | i++, offset += mtu, len -= mtu) { | |
1112 | urb->iso_frame_desc[i].offset = offset; | |
1113 | urb->iso_frame_desc[i].length = mtu; | |
1114 | } | |
1115 | ||
1116 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
1117 | urb->iso_frame_desc[i].offset = offset; | |
1118 | urb->iso_frame_desc[i].length = len; | |
1119 | i++; | |
1120 | } | |
1121 | ||
1122 | urb->number_of_packets = i; | |
1123 | } | |
1124 | ||
2eda66f4 | 1125 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 1126 | { |
155961e8 | 1127 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1128 | struct urb *urb; |
1129 | unsigned char *buf; | |
1130 | unsigned int pipe; | |
1131 | int err, size; | |
1132 | ||
1133 | BT_DBG("%s", hdev->name); | |
1134 | ||
1135 | if (!data->isoc_rx_ep) | |
1136 | return -ENODEV; | |
1137 | ||
2eda66f4 | 1138 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
1139 | if (!urb) |
1140 | return -ENOMEM; | |
1141 | ||
1142 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
1143 | BTUSB_MAX_ISOC_FRAMES; | |
1144 | ||
2eda66f4 | 1145 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
1146 | if (!buf) { |
1147 | usb_free_urb(urb); | |
1148 | return -ENOMEM; | |
1149 | } | |
1150 | ||
1151 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
1152 | ||
fa0fb93f | 1153 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 1154 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 1155 | |
89e7533d | 1156 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
1157 | |
1158 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 1159 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
1160 | |
1161 | usb_anchor_urb(urb, &data->isoc_anchor); | |
1162 | ||
2eda66f4 | 1163 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 1164 | if (err < 0) { |
d4b8d1c9 | 1165 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
1166 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
1167 | urb, -err); | |
9bfa35fe | 1168 | usb_unanchor_urb(urb); |
9bfa35fe MH |
1169 | } |
1170 | ||
1171 | usb_free_urb(urb); | |
1172 | ||
1173 | return err; | |
1174 | } | |
1175 | ||
9d08f504 MH |
1176 | static void btusb_diag_complete(struct urb *urb) |
1177 | { | |
1178 | struct hci_dev *hdev = urb->context; | |
1179 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1180 | int err; | |
1181 | ||
1182 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, | |
1183 | urb->actual_length); | |
1184 | ||
1185 | if (urb->status == 0) { | |
1186 | struct sk_buff *skb; | |
1187 | ||
1188 | skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC); | |
1189 | if (skb) { | |
59ae1d12 JB |
1190 | skb_put_data(skb, urb->transfer_buffer, |
1191 | urb->actual_length); | |
9d08f504 MH |
1192 | hci_recv_diag(hdev, skb); |
1193 | } | |
1194 | } else if (urb->status == -ENOENT) { | |
1195 | /* Avoid suspend failed when usb_kill_urb */ | |
1196 | return; | |
1197 | } | |
1198 | ||
1199 | if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags)) | |
1200 | return; | |
1201 | ||
1202 | usb_anchor_urb(urb, &data->diag_anchor); | |
1203 | usb_mark_last_busy(data->udev); | |
1204 | ||
1205 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1206 | if (err < 0) { | |
1207 | /* -EPERM: urb is being killed; | |
d98422cb DR |
1208 | * -ENODEV: device got disconnected |
1209 | */ | |
9d08f504 | 1210 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
1211 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", |
1212 | urb, -err); | |
9d08f504 MH |
1213 | usb_unanchor_urb(urb); |
1214 | } | |
1215 | } | |
1216 | ||
1217 | static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags) | |
1218 | { | |
1219 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1220 | struct urb *urb; | |
1221 | unsigned char *buf; | |
1222 | unsigned int pipe; | |
1223 | int err, size = HCI_MAX_FRAME_SIZE; | |
1224 | ||
1225 | BT_DBG("%s", hdev->name); | |
1226 | ||
1227 | if (!data->diag_rx_ep) | |
1228 | return -ENODEV; | |
1229 | ||
1230 | urb = usb_alloc_urb(0, mem_flags); | |
1231 | if (!urb) | |
1232 | return -ENOMEM; | |
1233 | ||
1234 | buf = kmalloc(size, mem_flags); | |
1235 | if (!buf) { | |
1236 | usb_free_urb(urb); | |
1237 | return -ENOMEM; | |
1238 | } | |
1239 | ||
1240 | pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress); | |
1241 | ||
1242 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, | |
1243 | btusb_diag_complete, hdev); | |
1244 | ||
1245 | urb->transfer_flags |= URB_FREE_BUFFER; | |
1246 | ||
1247 | usb_mark_last_busy(data->udev); | |
1248 | usb_anchor_urb(urb, &data->diag_anchor); | |
1249 | ||
1250 | err = usb_submit_urb(urb, mem_flags); | |
1251 | if (err < 0) { | |
1252 | if (err != -EPERM && err != -ENODEV) | |
2064ee33 MH |
1253 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
1254 | urb, -err); | |
9d08f504 MH |
1255 | usb_unanchor_urb(urb); |
1256 | } | |
1257 | ||
1258 | usb_free_urb(urb); | |
1259 | ||
1260 | return err; | |
1261 | } | |
1262 | ||
5e23b923 | 1263 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
1264 | { |
1265 | struct sk_buff *skb = urb->context; | |
89e7533d | 1266 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 1267 | struct btusb_data *data = hci_get_drvdata(hdev); |
a5e50d5b | 1268 | unsigned long flags; |
7bee549e | 1269 | |
89e7533d MH |
1270 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
1271 | urb->actual_length); | |
7bee549e ON |
1272 | |
1273 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1274 | goto done; | |
1275 | ||
1276 | if (!urb->status) | |
1277 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1278 | else | |
1279 | hdev->stat.err_tx++; | |
1280 | ||
1281 | done: | |
a5e50d5b | 1282 | spin_lock_irqsave(&data->txlock, flags); |
7bee549e | 1283 | data->tx_in_flight--; |
a5e50d5b | 1284 | spin_unlock_irqrestore(&data->txlock, flags); |
7bee549e ON |
1285 | |
1286 | kfree(urb->setup_packet); | |
1287 | ||
1288 | kfree_skb(skb); | |
1289 | } | |
1290 | ||
1291 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
1292 | { |
1293 | struct sk_buff *skb = urb->context; | |
89e7533d | 1294 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 1295 | |
89e7533d MH |
1296 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
1297 | urb->actual_length); | |
5e23b923 MH |
1298 | |
1299 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1300 | goto done; | |
1301 | ||
1302 | if (!urb->status) | |
1303 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
1304 | else | |
1305 | hdev->stat.err_tx++; | |
1306 | ||
1307 | done: | |
1308 | kfree(urb->setup_packet); | |
1309 | ||
1310 | kfree_skb(skb); | |
1311 | } | |
1312 | ||
1313 | static int btusb_open(struct hci_dev *hdev) | |
1314 | { | |
155961e8 | 1315 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1316 | int err; |
1317 | ||
1318 | BT_DBG("%s", hdev->name); | |
1319 | ||
c7e163fe EH |
1320 | err = usb_autopm_get_interface(data->intf); |
1321 | if (err < 0) | |
1322 | return err; | |
1323 | ||
ace31982 KBYT |
1324 | /* Patching USB firmware files prior to starting any URBs of HCI path |
1325 | * It is more safe to use USB bulk channel for downloading USB patch | |
1326 | */ | |
1327 | if (data->setup_on_usb) { | |
1328 | err = data->setup_on_usb(hdev); | |
eb50042f | 1329 | if (err < 0) |
3d44a6fd | 1330 | goto setup_fail; |
ace31982 KBYT |
1331 | } |
1332 | ||
7bee549e ON |
1333 | data->intf->needs_remote_wakeup = 1; |
1334 | ||
9e45524a AL |
1335 | /* Disable device remote wakeup when host is suspended |
1336 | * For Realtek chips, global suspend without | |
1337 | * SET_FEATURE (DEVICE_REMOTE_WAKEUP) can save more power in device. | |
1338 | */ | |
1339 | if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) | |
1340 | device_wakeup_disable(&data->udev->dev); | |
1341 | ||
5e23b923 | 1342 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) |
7bee549e | 1343 | goto done; |
5e23b923 | 1344 | |
2eda66f4 | 1345 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
1346 | if (err < 0) |
1347 | goto failed; | |
1348 | ||
1349 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 1350 | if (err < 0) { |
43c2e57f MH |
1351 | usb_kill_anchored_urbs(&data->intr_anchor); |
1352 | goto failed; | |
5e23b923 MH |
1353 | } |
1354 | ||
43c2e57f MH |
1355 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
1356 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
1357 | ||
9d08f504 MH |
1358 | if (data->diag) { |
1359 | if (!btusb_submit_diag_urb(hdev, GFP_KERNEL)) | |
1360 | set_bit(BTUSB_DIAG_RUNNING, &data->flags); | |
1361 | } | |
1362 | ||
7bee549e ON |
1363 | done: |
1364 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
1365 | return 0; |
1366 | ||
1367 | failed: | |
1368 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
3d44a6fd | 1369 | setup_fail: |
7bee549e | 1370 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
1371 | return err; |
1372 | } | |
1373 | ||
7bee549e ON |
1374 | static void btusb_stop_traffic(struct btusb_data *data) |
1375 | { | |
1376 | usb_kill_anchored_urbs(&data->intr_anchor); | |
1377 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
1378 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
9d08f504 | 1379 | usb_kill_anchored_urbs(&data->diag_anchor); |
a1c49c43 | 1380 | usb_kill_anchored_urbs(&data->ctrl_anchor); |
7bee549e ON |
1381 | } |
1382 | ||
5e23b923 MH |
1383 | static int btusb_close(struct hci_dev *hdev) |
1384 | { | |
155961e8 | 1385 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 1386 | int err; |
5e23b923 MH |
1387 | |
1388 | BT_DBG("%s", hdev->name); | |
1389 | ||
e8c3c3d2 | 1390 | cancel_work_sync(&data->work); |
404291ac | 1391 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 1392 | |
9bfa35fe | 1393 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 1394 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 1395 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
9d08f504 | 1396 | clear_bit(BTUSB_DIAG_RUNNING, &data->flags); |
7bee549e ON |
1397 | |
1398 | btusb_stop_traffic(data); | |
803b5836 MH |
1399 | btusb_free_frags(data); |
1400 | ||
7bee549e ON |
1401 | err = usb_autopm_get_interface(data->intf); |
1402 | if (err < 0) | |
7b8e2c1d | 1403 | goto failed; |
7bee549e ON |
1404 | |
1405 | data->intf->needs_remote_wakeup = 0; | |
9e45524a AL |
1406 | |
1407 | /* Enable remote wake up for auto-suspend */ | |
1408 | if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) | |
1409 | data->intf->needs_remote_wakeup = 1; | |
1410 | ||
7bee549e | 1411 | usb_autopm_put_interface(data->intf); |
5e23b923 | 1412 | |
7b8e2c1d ON |
1413 | failed: |
1414 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
1415 | return 0; |
1416 | } | |
1417 | ||
1418 | static int btusb_flush(struct hci_dev *hdev) | |
1419 | { | |
155961e8 | 1420 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1421 | |
1422 | BT_DBG("%s", hdev->name); | |
1423 | ||
1424 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 1425 | btusb_free_frags(data); |
5e23b923 MH |
1426 | |
1427 | return 0; | |
1428 | } | |
1429 | ||
047b2ec8 | 1430 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 1431 | { |
155961e8 | 1432 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1433 | struct usb_ctrlrequest *dr; |
1434 | struct urb *urb; | |
1435 | unsigned int pipe; | |
5e23b923 | 1436 | |
047b2ec8 MH |
1437 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1438 | if (!urb) | |
1439 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1440 | |
047b2ec8 MH |
1441 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
1442 | if (!dr) { | |
1443 | usb_free_urb(urb); | |
1444 | return ERR_PTR(-ENOMEM); | |
1445 | } | |
5e23b923 | 1446 | |
047b2ec8 | 1447 | dr->bRequestType = data->cmdreq_type; |
893ba544 | 1448 | dr->bRequest = data->cmdreq; |
047b2ec8 MH |
1449 | dr->wIndex = 0; |
1450 | dr->wValue = 0; | |
1451 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 1452 | |
047b2ec8 | 1453 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 1454 | |
89e7533d | 1455 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 1456 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 1457 | |
89e7533d | 1458 | skb->dev = (void *)hdev; |
5e23b923 | 1459 | |
047b2ec8 MH |
1460 | return urb; |
1461 | } | |
5e23b923 | 1462 | |
047b2ec8 MH |
1463 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1464 | { | |
1465 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1466 | struct urb *urb; | |
1467 | unsigned int pipe; | |
5e23b923 | 1468 | |
047b2ec8 MH |
1469 | if (!data->bulk_tx_ep) |
1470 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1471 | |
047b2ec8 MH |
1472 | urb = usb_alloc_urb(0, GFP_KERNEL); |
1473 | if (!urb) | |
1474 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 1475 | |
047b2ec8 | 1476 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 1477 | |
047b2ec8 MH |
1478 | usb_fill_bulk_urb(urb, data->udev, pipe, |
1479 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 1480 | |
89e7533d | 1481 | skb->dev = (void *)hdev; |
5e23b923 | 1482 | |
047b2ec8 MH |
1483 | return urb; |
1484 | } | |
9bfa35fe | 1485 | |
047b2ec8 MH |
1486 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
1487 | { | |
1488 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1489 | struct urb *urb; | |
1490 | unsigned int pipe; | |
9bfa35fe | 1491 | |
047b2ec8 MH |
1492 | if (!data->isoc_tx_ep) |
1493 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1494 | |
047b2ec8 MH |
1495 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1496 | if (!urb) | |
1497 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1498 | |
047b2ec8 | 1499 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1500 | |
047b2ec8 MH |
1501 | usb_fill_int_urb(urb, data->udev, pipe, |
1502 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1503 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1504 | |
047b2ec8 | 1505 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1506 | |
baac6276 SN |
1507 | if (data->isoc_altsetting == 6) |
1508 | __fill_isoc_descriptor_msbc(urb, skb->len, | |
1509 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize), | |
1510 | data); | |
1511 | else | |
1512 | __fill_isoc_descriptor(urb, skb->len, | |
1513 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
89e7533d | 1514 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1515 | |
1516 | return urb; | |
1517 | } | |
1518 | ||
1519 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1520 | { | |
1521 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1522 | int err; | |
7bee549e | 1523 | |
5e23b923 MH |
1524 | usb_anchor_urb(urb, &data->tx_anchor); |
1525 | ||
e9753eff | 1526 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1527 | if (err < 0) { |
5a9b80e2 | 1528 | if (err != -EPERM && err != -ENODEV) |
2064ee33 MH |
1529 | bt_dev_err(hdev, "urb %p submission failed (%d)", |
1530 | urb, -err); | |
5e23b923 MH |
1531 | kfree(urb->setup_packet); |
1532 | usb_unanchor_urb(urb); | |
7bee549e ON |
1533 | } else { |
1534 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1535 | } |
1536 | ||
54a8a79c | 1537 | usb_free_urb(urb); |
5e23b923 MH |
1538 | return err; |
1539 | } | |
1540 | ||
047b2ec8 MH |
1541 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1542 | { | |
1543 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1544 | unsigned long flags; | |
1545 | bool suspending; | |
1546 | ||
1547 | spin_lock_irqsave(&data->txlock, flags); | |
1548 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1549 | if (!suspending) | |
1550 | data->tx_in_flight++; | |
1551 | spin_unlock_irqrestore(&data->txlock, flags); | |
1552 | ||
1553 | if (!suspending) | |
1554 | return submit_tx_urb(hdev, urb); | |
1555 | ||
1556 | usb_anchor_urb(urb, &data->deferred); | |
1557 | schedule_work(&data->waker); | |
1558 | ||
1559 | usb_free_urb(urb); | |
1560 | return 0; | |
1561 | } | |
1562 | ||
1563 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1564 | { | |
1565 | struct urb *urb; | |
1566 | ||
1567 | BT_DBG("%s", hdev->name); | |
1568 | ||
618e8bc2 | 1569 | switch (hci_skb_pkt_type(skb)) { |
047b2ec8 MH |
1570 | case HCI_COMMAND_PKT: |
1571 | urb = alloc_ctrl_urb(hdev, skb); | |
1572 | if (IS_ERR(urb)) | |
1573 | return PTR_ERR(urb); | |
1574 | ||
1575 | hdev->stat.cmd_tx++; | |
1576 | return submit_or_queue_tx_urb(hdev, urb); | |
1577 | ||
1578 | case HCI_ACLDATA_PKT: | |
1579 | urb = alloc_bulk_urb(hdev, skb); | |
1580 | if (IS_ERR(urb)) | |
1581 | return PTR_ERR(urb); | |
1582 | ||
1583 | hdev->stat.acl_tx++; | |
1584 | return submit_or_queue_tx_urb(hdev, urb); | |
1585 | ||
1586 | case HCI_SCODATA_PKT: | |
1587 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1588 | return -ENODEV; | |
1589 | ||
1590 | urb = alloc_isoc_urb(hdev, skb); | |
1591 | if (IS_ERR(urb)) | |
1592 | return PTR_ERR(urb); | |
1593 | ||
1594 | hdev->stat.sco_tx++; | |
1595 | return submit_tx_urb(hdev, urb); | |
1596 | } | |
1597 | ||
1598 | return -EILSEQ; | |
1599 | } | |
1600 | ||
5e23b923 MH |
1601 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1602 | { | |
155961e8 | 1603 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1604 | |
1605 | BT_DBG("%s evt %d", hdev->name, evt); | |
1606 | ||
014f7bc7 MH |
1607 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1608 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
baac6276 | 1609 | data->air_mode = evt; |
43c2e57f | 1610 | schedule_work(&data->work); |
a780efa8 | 1611 | } |
5e23b923 MH |
1612 | } |
1613 | ||
42b16b3f | 1614 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1615 | { |
155961e8 | 1616 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1617 | struct usb_interface *intf = data->isoc; |
1618 | struct usb_endpoint_descriptor *ep_desc; | |
1619 | int i, err; | |
1620 | ||
1621 | if (!data->isoc) | |
1622 | return -ENODEV; | |
1623 | ||
459232fc | 1624 | err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting); |
9bfa35fe | 1625 | if (err < 0) { |
2064ee33 | 1626 | bt_dev_err(hdev, "setting interface failed (%d)", -err); |
9bfa35fe MH |
1627 | return err; |
1628 | } | |
1629 | ||
1630 | data->isoc_altsetting = altsetting; | |
1631 | ||
1632 | data->isoc_tx_ep = NULL; | |
1633 | data->isoc_rx_ep = NULL; | |
1634 | ||
1635 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1636 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1637 | ||
1638 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1639 | data->isoc_tx_ep = ep_desc; | |
1640 | continue; | |
1641 | } | |
1642 | ||
1643 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1644 | data->isoc_rx_ep = ep_desc; | |
1645 | continue; | |
1646 | } | |
1647 | } | |
1648 | ||
1649 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
2064ee33 | 1650 | bt_dev_err(hdev, "invalid SCO descriptors"); |
9bfa35fe MH |
1651 | return -ENODEV; |
1652 | } | |
1653 | ||
1654 | return 0; | |
1655 | } | |
1656 | ||
baac6276 SN |
1657 | static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts) |
1658 | { | |
1659 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1660 | int err; | |
1661 | ||
1662 | if (data->isoc_altsetting != new_alts) { | |
1663 | unsigned long flags; | |
1664 | ||
1665 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1666 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1667 | ||
1668 | /* When isochronous alternate setting needs to be | |
1669 | * changed, because SCO connection has been added | |
1670 | * or removed, a packet fragment may be left in the | |
1671 | * reassembling state. This could lead to wrongly | |
1672 | * assembled fragments. | |
1673 | * | |
1674 | * Clear outstanding fragment when selecting a new | |
1675 | * alternate setting. | |
1676 | */ | |
1677 | spin_lock_irqsave(&data->rxlock, flags); | |
1678 | kfree_skb(data->sco_skb); | |
1679 | data->sco_skb = NULL; | |
1680 | spin_unlock_irqrestore(&data->rxlock, flags); | |
1681 | ||
1682 | err = __set_isoc_interface(hdev, new_alts); | |
1683 | if (err < 0) | |
1684 | return err; | |
1685 | } | |
1686 | ||
1687 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1688 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) | |
1689 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1690 | else | |
1691 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); | |
1692 | } | |
1693 | ||
1694 | return 0; | |
1695 | } | |
1696 | ||
1697 | static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data, | |
1698 | int alt) | |
1699 | { | |
1700 | struct usb_interface *intf = data->isoc; | |
1701 | int i; | |
1702 | ||
1703 | BT_DBG("Looking for Alt no :%d", alt); | |
1704 | ||
fcd156ee SN |
1705 | if (!intf) |
1706 | return NULL; | |
1707 | ||
baac6276 SN |
1708 | for (i = 0; i < intf->num_altsetting; i++) { |
1709 | if (intf->altsetting[i].desc.bAlternateSetting == alt) | |
1710 | return &intf->altsetting[i]; | |
1711 | } | |
1712 | ||
1713 | return NULL; | |
1714 | } | |
1715 | ||
5e23b923 MH |
1716 | static void btusb_work(struct work_struct *work) |
1717 | { | |
1718 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1719 | struct hci_dev *hdev = data->hdev; | |
baac6276 | 1720 | int new_alts = 0; |
7bee549e | 1721 | int err; |
5e23b923 | 1722 | |
014f7bc7 | 1723 | if (data->sco_num > 0) { |
08b8b6c4 | 1724 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1725 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1726 | if (err < 0) { |
1727 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1728 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1729 | return; | |
1730 | } | |
1731 | ||
08b8b6c4 | 1732 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1733 | } |
f4001d28 | 1734 | |
baac6276 SN |
1735 | if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) { |
1736 | if (hdev->voice_setting & 0x0020) { | |
1737 | static const int alts[3] = { 2, 4, 5 }; | |
f4001d28 | 1738 | |
baac6276 SN |
1739 | new_alts = alts[data->sco_num - 1]; |
1740 | } else { | |
1741 | new_alts = data->sco_num; | |
1742 | } | |
1743 | } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) { | |
517b6933 TP |
1744 | /* Bluetooth USB spec recommends alt 6 (63 bytes), but |
1745 | * many adapters do not support it. Alt 1 appears to | |
1746 | * work for all adapters that do not have alt 6, and | |
1747 | * which work with WBS at all. | |
1748 | */ | |
1749 | new_alts = btusb_find_altsetting(data, 6) ? 6 : 1; | |
9bfa35fe | 1750 | } |
baac6276 SN |
1751 | |
1752 | if (btusb_switch_alt_setting(hdev, new_alts) < 0) | |
1753 | bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts); | |
9bfa35fe MH |
1754 | } else { |
1755 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1756 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1757 | ||
1758 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1759 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1760 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1761 | } |
1762 | } | |
1763 | ||
7bee549e ON |
1764 | static void btusb_waker(struct work_struct *work) |
1765 | { | |
1766 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1767 | int err; | |
1768 | ||
1769 | err = usb_autopm_get_interface(data->intf); | |
1770 | if (err < 0) | |
1771 | return; | |
1772 | ||
1773 | usb_autopm_put_interface(data->intf); | |
1774 | } | |
1775 | ||
9f8f962c MH |
1776 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1777 | { | |
1778 | struct sk_buff *skb; | |
1779 | u8 val = 0x00; | |
1780 | ||
1781 | BT_DBG("%s", hdev->name); | |
1782 | ||
1783 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1784 | if (IS_ERR(skb)) | |
2064ee33 | 1785 | bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb)); |
9f8f962c MH |
1786 | else |
1787 | kfree_skb(skb); | |
1788 | ||
1789 | return 0; | |
1790 | } | |
1791 | ||
81cac64b MH |
1792 | static int btusb_setup_csr(struct hci_dev *hdev) |
1793 | { | |
d74e0ae7 HG |
1794 | struct btusb_data *data = hci_get_drvdata(hdev); |
1795 | u16 bcdDevice = le16_to_cpu(data->udev->descriptor.bcdDevice); | |
81cac64b MH |
1796 | struct hci_rp_read_local_version *rp; |
1797 | struct sk_buff *skb; | |
cde1a8a9 | 1798 | bool is_fake = false; |
0671c066 | 1799 | int ret; |
81cac64b MH |
1800 | |
1801 | BT_DBG("%s", hdev->name); | |
1802 | ||
7cd84d72 MH |
1803 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, |
1804 | HCI_INIT_TIMEOUT); | |
1805 | if (IS_ERR(skb)) { | |
1806 | int err = PTR_ERR(skb); | |
2064ee33 | 1807 | bt_dev_err(hdev, "CSR: Local version failed (%d)", err); |
7cd84d72 MH |
1808 | return err; |
1809 | } | |
1810 | ||
1811 | if (skb->len != sizeof(struct hci_rp_read_local_version)) { | |
2064ee33 | 1812 | bt_dev_err(hdev, "CSR: Local version length mismatch"); |
7cd84d72 MH |
1813 | kfree_skb(skb); |
1814 | return -EIO; | |
1815 | } | |
81cac64b | 1816 | |
89e7533d | 1817 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b | 1818 | |
cde1a8a9 IFM |
1819 | /* Detect a wide host of Chinese controllers that aren't CSR. |
1820 | * | |
1821 | * Known fake bcdDevices: 0x0100, 0x0134, 0x1915, 0x2520, 0x7558, 0x8891 | |
1822 | * | |
1823 | * The main thing they have in common is that these are really popular low-cost | |
1824 | * options that support newer Bluetooth versions but rely on heavy VID/PID | |
1825 | * squatting of this poor old Bluetooth 1.1 device. Even sold as such. | |
1826 | * | |
1827 | * We detect actual CSR devices by checking that the HCI manufacturer code | |
1828 | * is Cambridge Silicon Radio (10) and ensuring that LMP sub-version and | |
1829 | * HCI rev values always match. As they both store the firmware number. | |
1830 | */ | |
6cafcd95 | 1831 | if (le16_to_cpu(rp->manufacturer) != 10 || |
cde1a8a9 IFM |
1832 | le16_to_cpu(rp->hci_rev) != le16_to_cpu(rp->lmp_subver)) |
1833 | is_fake = true; | |
1834 | ||
1835 | /* Known legit CSR firmware build numbers and their supported BT versions: | |
1836 | * - 1.1 (0x1) -> 0x0073, 0x020d, 0x033c, 0x034e | |
1837 | * - 1.2 (0x2) -> 0x04d9, 0x0529 | |
1838 | * - 2.0 (0x3) -> 0x07a6, 0x07ad, 0x0c5c | |
1839 | * - 2.1 (0x4) -> 0x149c, 0x1735, 0x1899 (0x1899 is a BlueCore4-External) | |
1840 | * - 4.0 (0x6) -> 0x1d86, 0x2031, 0x22bb | |
1841 | * | |
1842 | * e.g. Real CSR dongles with LMP subversion 0x73 are old enough that | |
1843 | * support BT 1.1 only; so it's a dead giveaway when some | |
1844 | * third-party BT 4.0 dongle reuses it. | |
1845 | */ | |
1846 | else if (le16_to_cpu(rp->lmp_subver) <= 0x034e && | |
1847 | le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_1_1) | |
1848 | is_fake = true; | |
1849 | ||
1850 | else if (le16_to_cpu(rp->lmp_subver) <= 0x0529 && | |
1851 | le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_1_2) | |
1852 | is_fake = true; | |
1853 | ||
1854 | else if (le16_to_cpu(rp->lmp_subver) <= 0x0c5c && | |
1855 | le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_2_0) | |
1856 | is_fake = true; | |
1857 | ||
1858 | else if (le16_to_cpu(rp->lmp_subver) <= 0x1899 && | |
1859 | le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_2_1) | |
1860 | is_fake = true; | |
1861 | ||
1862 | else if (le16_to_cpu(rp->lmp_subver) <= 0x22bb && | |
1863 | le16_to_cpu(rp->hci_ver) > BLUETOOTH_VER_4_0) | |
1864 | is_fake = true; | |
1865 | ||
d74e0ae7 HG |
1866 | /* Other clones which beat all the above checks */ |
1867 | else if (bcdDevice == 0x0134 && | |
1868 | le16_to_cpu(rp->lmp_subver) == 0x0c5c && | |
1869 | le16_to_cpu(rp->hci_ver) == BLUETOOTH_VER_2_0) | |
1870 | is_fake = true; | |
1871 | ||
cde1a8a9 IFM |
1872 | if (is_fake) { |
1873 | bt_dev_warn(hdev, "CSR: Unbranded CSR clone detected; adding workarounds..."); | |
1874 | ||
1875 | /* Generally these clones have big discrepancies between | |
1876 | * advertised features and what's actually supported. | |
1877 | * Probably will need to be expanded in the future; | |
1878 | * without these the controller will lock up. | |
1879 | */ | |
1880 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
1881 | set_bit(HCI_QUIRK_BROKEN_ERR_DATA_REPORTING, &hdev->quirks); | |
1882 | ||
9641d343 MH |
1883 | /* Clear the reset quirk since this is not an actual |
1884 | * early Bluetooth 1.1 device from CSR. | |
1885 | */ | |
1886 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
cde1a8a9 | 1887 | clear_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
0671c066 HG |
1888 | |
1889 | /* | |
1890 | * Special workaround for clones with a Barrot 8041a02 chip, | |
1891 | * these clones are really messed-up: | |
1892 | * 1. Their bulk rx endpoint will never report any data unless | |
1893 | * the device was suspended at least once (yes really). | |
1894 | * 2. They will not wakeup when autosuspended and receiving data | |
1895 | * on their bulk rx endpoint from e.g. a keyboard or mouse | |
1896 | * (IOW remote-wakeup support is broken for the bulk endpoint). | |
1897 | * | |
1898 | * To fix 1. enable runtime-suspend, force-suspend the | |
1899 | * hci and then wake-it up by disabling runtime-suspend. | |
1900 | * | |
1901 | * To fix 2. clear the hci's can_wake flag, this way the hci | |
1902 | * will still be autosuspended when it is not open. | |
1903 | */ | |
1904 | if (bcdDevice == 0x8891 && | |
1905 | le16_to_cpu(rp->lmp_subver) == 0x1012 && | |
1906 | le16_to_cpu(rp->hci_rev) == 0x0810 && | |
1907 | le16_to_cpu(rp->hci_ver) == BLUETOOTH_VER_4_0) { | |
d84fc2c9 | 1908 | bt_dev_warn(hdev, "CSR: detected a fake CSR dongle using a Barrot 8041a02 chip, this chip is very buggy and may have issues"); |
0671c066 HG |
1909 | |
1910 | pm_runtime_allow(&data->udev->dev); | |
1911 | ||
1912 | ret = pm_runtime_suspend(&data->udev->dev); | |
1913 | if (ret >= 0) | |
1914 | msleep(200); | |
1915 | else | |
d84fc2c9 | 1916 | bt_dev_err(hdev, "Failed to suspend the device for Barrot 8041a02 receive-issue workaround"); |
0671c066 HG |
1917 | |
1918 | pm_runtime_forbid(&data->udev->dev); | |
1919 | ||
1920 | device_set_wakeup_capable(&data->udev->dev, false); | |
1921 | /* Re-enable autosuspend if this was requested */ | |
1922 | if (enable_autosuspend) | |
1923 | usb_enable_autosuspend(data->udev); | |
1924 | } | |
9641d343 | 1925 | } |
81cac64b MH |
1926 | |
1927 | kfree_skb(skb); | |
1928 | ||
9641d343 | 1929 | return 0; |
81cac64b MH |
1930 | } |
1931 | ||
dffd30ee | 1932 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, |
89e7533d | 1933 | struct intel_version *ver) |
dffd30ee THJA |
1934 | { |
1935 | const struct firmware *fw; | |
1936 | char fwname[64]; | |
1937 | int ret; | |
1938 | ||
1939 | snprintf(fwname, sizeof(fwname), | |
1940 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1941 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1942 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1943 | ver->fw_build_ww, ver->fw_build_yy); | |
1944 | ||
1945 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1946 | if (ret < 0) { | |
1947 | if (ret == -EINVAL) { | |
85418fef MH |
1948 | bt_dev_err(hdev, "Intel firmware file request failed (%d)", |
1949 | ret); | |
dffd30ee THJA |
1950 | return NULL; |
1951 | } | |
1952 | ||
85418fef MH |
1953 | bt_dev_err(hdev, "failed to open Intel firmware file: %s (%d)", |
1954 | fwname, ret); | |
dffd30ee THJA |
1955 | |
1956 | /* If the correct firmware patch file is not found, use the | |
1957 | * default firmware patch file instead | |
1958 | */ | |
1959 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1960 | ver->hw_platform, ver->hw_variant); | |
1961 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
85418fef MH |
1962 | bt_dev_err(hdev, "failed to open default fw file: %s", |
1963 | fwname); | |
dffd30ee THJA |
1964 | return NULL; |
1965 | } | |
1966 | } | |
1967 | ||
2064ee33 | 1968 | bt_dev_info(hdev, "Intel Bluetooth firmware file: %s", fwname); |
dffd30ee THJA |
1969 | |
1970 | return fw; | |
1971 | } | |
1972 | ||
1973 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1974 | const struct firmware *fw, | |
1975 | const u8 **fw_ptr, int *disable_patch) | |
1976 | { | |
1977 | struct sk_buff *skb; | |
1978 | struct hci_command_hdr *cmd; | |
1979 | const u8 *cmd_param; | |
1980 | struct hci_event_hdr *evt = NULL; | |
1981 | const u8 *evt_param = NULL; | |
1982 | int remain = fw->size - (*fw_ptr - fw->data); | |
1983 | ||
1984 | /* The first byte indicates the types of the patch command or event. | |
1985 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1986 | * in the current firmware buffer doesn't start with 0x01 or | |
1987 | * the size of remain buffer is smaller than HCI command header, | |
1988 | * the firmware file is corrupted and it should stop the patching | |
1989 | * process. | |
1990 | */ | |
1991 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
85418fef | 1992 | bt_dev_err(hdev, "Intel fw corrupted: invalid cmd read"); |
dffd30ee THJA |
1993 | return -EINVAL; |
1994 | } | |
1995 | (*fw_ptr)++; | |
1996 | remain--; | |
1997 | ||
1998 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1999 | *fw_ptr += sizeof(*cmd); | |
2000 | remain -= sizeof(*cmd); | |
2001 | ||
2002 | /* Ensure that the remain firmware data is long enough than the length | |
2003 | * of command parameter. If not, the firmware file is corrupted. | |
2004 | */ | |
2005 | if (remain < cmd->plen) { | |
85418fef | 2006 | bt_dev_err(hdev, "Intel fw corrupted: invalid cmd len"); |
dffd30ee THJA |
2007 | return -EFAULT; |
2008 | } | |
2009 | ||
2010 | /* If there is a command that loads a patch in the firmware | |
2011 | * file, then enable the patch upon success, otherwise just | |
2012 | * disable the manufacturer mode, for example patch activation | |
2013 | * is not required when the default firmware patch file is used | |
2014 | * because there are no patch data to load. | |
2015 | */ | |
2016 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
2017 | *disable_patch = 0; | |
2018 | ||
2019 | cmd_param = *fw_ptr; | |
2020 | *fw_ptr += cmd->plen; | |
2021 | remain -= cmd->plen; | |
2022 | ||
2023 | /* This reads the expected events when the above command is sent to the | |
2024 | * device. Some vendor commands expects more than one events, for | |
2025 | * example command status event followed by vendor specific event. | |
2026 | * For this case, it only keeps the last expected event. so the command | |
2027 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
2028 | * last expected event. | |
2029 | */ | |
2030 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
2031 | (*fw_ptr)++; | |
2032 | remain--; | |
2033 | ||
2034 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
2035 | *fw_ptr += sizeof(*evt); | |
2036 | remain -= sizeof(*evt); | |
2037 | ||
2038 | if (remain < evt->plen) { | |
85418fef | 2039 | bt_dev_err(hdev, "Intel fw corrupted: invalid evt len"); |
dffd30ee THJA |
2040 | return -EFAULT; |
2041 | } | |
2042 | ||
2043 | evt_param = *fw_ptr; | |
2044 | *fw_ptr += evt->plen; | |
2045 | remain -= evt->plen; | |
2046 | } | |
2047 | ||
2048 | /* Every HCI commands in the firmware file has its correspond event. | |
2049 | * If event is not found or remain is smaller than zero, the firmware | |
2050 | * file is corrupted. | |
2051 | */ | |
2052 | if (!evt || !evt_param || remain < 0) { | |
85418fef | 2053 | bt_dev_err(hdev, "Intel fw corrupted: invalid evt read"); |
dffd30ee THJA |
2054 | return -EFAULT; |
2055 | } | |
2056 | ||
2057 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
2058 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
2059 | if (IS_ERR(skb)) { | |
85418fef MH |
2060 | bt_dev_err(hdev, "sending Intel patch command (0x%4.4x) failed (%ld)", |
2061 | cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 2062 | return PTR_ERR(skb); |
dffd30ee THJA |
2063 | } |
2064 | ||
2065 | /* It ensures that the returned event matches the event data read from | |
2066 | * the firmware file. At fist, it checks the length and then | |
2067 | * the contents of the event. | |
2068 | */ | |
2069 | if (skb->len != evt->plen) { | |
85418fef MH |
2070 | bt_dev_err(hdev, "mismatch event length (opcode 0x%4.4x)", |
2071 | le16_to_cpu(cmd->opcode)); | |
dffd30ee THJA |
2072 | kfree_skb(skb); |
2073 | return -EFAULT; | |
2074 | } | |
2075 | ||
2076 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
85418fef MH |
2077 | bt_dev_err(hdev, "mismatch event parameter (opcode 0x%4.4x)", |
2078 | le16_to_cpu(cmd->opcode)); | |
dffd30ee THJA |
2079 | kfree_skb(skb); |
2080 | return -EFAULT; | |
2081 | } | |
2082 | kfree_skb(skb); | |
2083 | ||
2084 | return 0; | |
2085 | } | |
2086 | ||
2087 | static int btusb_setup_intel(struct hci_dev *hdev) | |
2088 | { | |
2089 | struct sk_buff *skb; | |
2090 | const struct firmware *fw; | |
2091 | const u8 *fw_ptr; | |
28dc4b92 | 2092 | int disable_patch, err; |
6c483de1 | 2093 | struct intel_version ver; |
dffd30ee | 2094 | |
dffd30ee THJA |
2095 | BT_DBG("%s", hdev->name); |
2096 | ||
2097 | /* The controller has a bug with the first HCI command sent to it | |
2098 | * returning number of completed commands as zero. This would stall the | |
2099 | * command processing in the Bluetooth core. | |
2100 | * | |
2101 | * As a workaround, send HCI Reset command first which will reset the | |
2102 | * number of completed commands and allow normal command processing | |
2103 | * from now on. | |
2104 | */ | |
2105 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
2106 | if (IS_ERR(skb)) { | |
85418fef MH |
2107 | bt_dev_err(hdev, "sending initial HCI reset command failed (%ld)", |
2108 | PTR_ERR(skb)); | |
d9c78e97 | 2109 | return PTR_ERR(skb); |
dffd30ee THJA |
2110 | } |
2111 | kfree_skb(skb); | |
2112 | ||
2113 | /* Read Intel specific controller version first to allow selection of | |
2114 | * which firmware file to load. | |
2115 | * | |
2116 | * The returned information are hardware variant and revision plus | |
2117 | * firmware variant, revision and build number. | |
2118 | */ | |
6c483de1 LP |
2119 | err = btintel_read_version(hdev, &ver); |
2120 | if (err) | |
2121 | return err; | |
dffd30ee | 2122 | |
2064ee33 MH |
2123 | bt_dev_info(hdev, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", |
2124 | ver.hw_platform, ver.hw_variant, ver.hw_revision, | |
2125 | ver.fw_variant, ver.fw_revision, ver.fw_build_num, | |
2126 | ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num); | |
dffd30ee THJA |
2127 | |
2128 | /* fw_patch_num indicates the version of patch the device currently | |
2129 | * have. If there is no patch data in the device, it is always 0x00. | |
5075edae | 2130 | * So, if it is other than 0x00, no need to patch the device again. |
dffd30ee | 2131 | */ |
6c483de1 | 2132 | if (ver.fw_patch_num) { |
2064ee33 MH |
2133 | bt_dev_info(hdev, "Intel device is already patched. " |
2134 | "patch num: %02x", ver.fw_patch_num); | |
213445b2 | 2135 | goto complete; |
dffd30ee THJA |
2136 | } |
2137 | ||
2138 | /* Opens the firmware patch file based on the firmware version read | |
2139 | * from the controller. If it fails to open the matching firmware | |
2140 | * patch file, it tries to open the default firmware patch file. | |
2141 | * If no patch file is found, allow the device to operate without | |
2142 | * a patch. | |
2143 | */ | |
6c483de1 LP |
2144 | fw = btusb_setup_intel_get_fw(hdev, &ver); |
2145 | if (!fw) | |
213445b2 | 2146 | goto complete; |
dffd30ee THJA |
2147 | fw_ptr = fw->data; |
2148 | ||
28dc4b92 | 2149 | /* Enable the manufacturer mode of the controller. |
dffd30ee THJA |
2150 | * Only while this mode is enabled, the driver can download the |
2151 | * firmware patch data and configuration parameters. | |
2152 | */ | |
28dc4b92 LP |
2153 | err = btintel_enter_mfg(hdev); |
2154 | if (err) { | |
dffd30ee | 2155 | release_firmware(fw); |
28dc4b92 | 2156 | return err; |
dffd30ee THJA |
2157 | } |
2158 | ||
dffd30ee THJA |
2159 | disable_patch = 1; |
2160 | ||
2161 | /* The firmware data file consists of list of Intel specific HCI | |
2162 | * commands and its expected events. The first byte indicates the | |
2163 | * type of the message, either HCI command or HCI event. | |
2164 | * | |
2165 | * It reads the command and its expected event from the firmware file, | |
2166 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
2167 | * the returned event is compared with the event read from the firmware | |
2168 | * file and it will continue until all the messages are downloaded to | |
2169 | * the controller. | |
2170 | * | |
2171 | * Once the firmware patching is completed successfully, | |
2172 | * the manufacturer mode is disabled with reset and activating the | |
2173 | * downloaded patch. | |
2174 | * | |
2175 | * If the firmware patching fails, the manufacturer mode is | |
2176 | * disabled with reset and deactivating the patch. | |
2177 | * | |
2178 | * If the default patch file is used, no reset is done when disabling | |
2179 | * the manufacturer. | |
2180 | */ | |
2181 | while (fw->size > fw_ptr - fw->data) { | |
2182 | int ret; | |
2183 | ||
2184 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
2185 | &disable_patch); | |
2186 | if (ret < 0) | |
2187 | goto exit_mfg_deactivate; | |
2188 | } | |
2189 | ||
2190 | release_firmware(fw); | |
2191 | ||
2192 | if (disable_patch) | |
2193 | goto exit_mfg_disable; | |
2194 | ||
2195 | /* Patching completed successfully and disable the manufacturer mode | |
2196 | * with reset and activate the downloaded firmware patches. | |
2197 | */ | |
28dc4b92 LP |
2198 | err = btintel_exit_mfg(hdev, true, true); |
2199 | if (err) | |
2200 | return err; | |
dffd30ee | 2201 | |
905d7b13 SG |
2202 | /* Need build number for downloaded fw patches in |
2203 | * every power-on boot | |
2204 | */ | |
2205 | err = btintel_read_version(hdev, &ver); | |
2206 | if (err) | |
2207 | return err; | |
2208 | bt_dev_info(hdev, "Intel BT fw patch 0x%02x completed & activated", | |
2209 | ver.fw_patch_num); | |
dffd30ee | 2210 | |
213445b2 | 2211 | goto complete; |
dffd30ee THJA |
2212 | |
2213 | exit_mfg_disable: | |
2214 | /* Disable the manufacturer mode without reset */ | |
28dc4b92 LP |
2215 | err = btintel_exit_mfg(hdev, false, false); |
2216 | if (err) | |
2217 | return err; | |
dffd30ee | 2218 | |
2064ee33 | 2219 | bt_dev_info(hdev, "Intel firmware patch completed"); |
40cb0984 | 2220 | |
213445b2 | 2221 | goto complete; |
dffd30ee THJA |
2222 | |
2223 | exit_mfg_deactivate: | |
2224 | release_firmware(fw); | |
2225 | ||
2226 | /* Patching failed. Disable the manufacturer mode with reset and | |
2227 | * deactivate the downloaded firmware patches. | |
2228 | */ | |
28dc4b92 LP |
2229 | err = btintel_exit_mfg(hdev, true, false); |
2230 | if (err) | |
2231 | return err; | |
dffd30ee | 2232 | |
2064ee33 | 2233 | bt_dev_info(hdev, "Intel firmware patch completed and deactivated"); |
dffd30ee | 2234 | |
213445b2 MH |
2235 | complete: |
2236 | /* Set the event mask for Intel specific vendor events. This enables | |
2237 | * a few extra events that are useful during general operation. | |
2238 | */ | |
2239 | btintel_set_event_mask_mfg(hdev, false); | |
2240 | ||
4185a0f5 | 2241 | btintel_check_bdaddr(hdev); |
dffd30ee THJA |
2242 | return 0; |
2243 | } | |
2244 | ||
cda0dd78 MH |
2245 | static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode) |
2246 | { | |
2247 | struct sk_buff *skb; | |
2248 | struct hci_event_hdr *hdr; | |
2249 | struct hci_ev_cmd_complete *evt; | |
2250 | ||
cf07e341 | 2251 | skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL); |
cda0dd78 MH |
2252 | if (!skb) |
2253 | return -ENOMEM; | |
2254 | ||
4df864c1 | 2255 | hdr = skb_put(skb, sizeof(*hdr)); |
cda0dd78 MH |
2256 | hdr->evt = HCI_EV_CMD_COMPLETE; |
2257 | hdr->plen = sizeof(*evt) + 1; | |
2258 | ||
4df864c1 | 2259 | evt = skb_put(skb, sizeof(*evt)); |
cda0dd78 MH |
2260 | evt->ncmd = 0x01; |
2261 | evt->opcode = cpu_to_le16(opcode); | |
2262 | ||
634fef61 | 2263 | skb_put_u8(skb, 0x00); |
cda0dd78 | 2264 | |
618e8bc2 | 2265 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; |
cda0dd78 MH |
2266 | |
2267 | return hci_recv_frame(hdev, skb); | |
2268 | } | |
2269 | ||
2270 | static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer, | |
2271 | int count) | |
2272 | { | |
2273 | /* When the device is in bootloader mode, then it can send | |
2274 | * events via the bulk endpoint. These events are treated the | |
2275 | * same way as the ones received from the interrupt endpoint. | |
2276 | */ | |
2277 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) | |
2278 | return btusb_recv_intr(data, buffer, count); | |
2279 | ||
2280 | return btusb_recv_bulk(data, buffer, count); | |
2281 | } | |
2282 | ||
ccd6da2a MH |
2283 | static void btusb_intel_bootup(struct btusb_data *data, const void *ptr, |
2284 | unsigned int len) | |
2285 | { | |
2286 | const struct intel_bootup *evt = ptr; | |
2287 | ||
2288 | if (len != sizeof(*evt)) | |
2289 | return; | |
2290 | ||
dff6d593 | 2291 | if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) |
ccd6da2a | 2292 | wake_up_bit(&data->flags, BTUSB_BOOTING); |
ccd6da2a MH |
2293 | } |
2294 | ||
2295 | static void btusb_intel_secure_send_result(struct btusb_data *data, | |
2296 | const void *ptr, unsigned int len) | |
2297 | { | |
2298 | const struct intel_secure_send_result *evt = ptr; | |
2299 | ||
2300 | if (len != sizeof(*evt)) | |
2301 | return; | |
2302 | ||
2303 | if (evt->result) | |
2304 | set_bit(BTUSB_FIRMWARE_FAILED, &data->flags); | |
2305 | ||
2306 | if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) && | |
dff6d593 | 2307 | test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) |
ccd6da2a | 2308 | wake_up_bit(&data->flags, BTUSB_DOWNLOADING); |
ccd6da2a MH |
2309 | } |
2310 | ||
cda0dd78 MH |
2311 | static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb) |
2312 | { | |
2313 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2314 | ||
2315 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
2316 | struct hci_event_hdr *hdr = (void *)skb->data; | |
2317 | ||
ccd6da2a MH |
2318 | if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff && |
2319 | hdr->plen > 0) { | |
2320 | const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1; | |
2321 | unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1; | |
2322 | ||
2323 | switch (skb->data[2]) { | |
2324 | case 0x02: | |
2325 | /* When switching to the operational firmware | |
2326 | * the device sends a vendor specific event | |
2327 | * indicating that the bootup completed. | |
2328 | */ | |
2329 | btusb_intel_bootup(data, ptr, len); | |
2330 | break; | |
2331 | case 0x06: | |
2332 | /* When the firmware loading completes the | |
2333 | * device sends out a vendor specific event | |
2334 | * indicating the result of the firmware | |
2335 | * loading. | |
2336 | */ | |
2337 | btusb_intel_secure_send_result(data, ptr, len); | |
2338 | break; | |
fad70972 | 2339 | } |
cda0dd78 MH |
2340 | } |
2341 | } | |
2342 | ||
2343 | return hci_recv_frame(hdev, skb); | |
2344 | } | |
2345 | ||
2346 | static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb) | |
2347 | { | |
2348 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2349 | struct urb *urb; | |
2350 | ||
2351 | BT_DBG("%s", hdev->name); | |
2352 | ||
618e8bc2 | 2353 | switch (hci_skb_pkt_type(skb)) { |
cda0dd78 MH |
2354 | case HCI_COMMAND_PKT: |
2355 | if (test_bit(BTUSB_BOOTLOADER, &data->flags)) { | |
2356 | struct hci_command_hdr *cmd = (void *)skb->data; | |
2357 | __u16 opcode = le16_to_cpu(cmd->opcode); | |
2358 | ||
2359 | /* When in bootloader mode and the command 0xfc09 | |
2360 | * is received, it needs to be send down the | |
2361 | * bulk endpoint. So allocate a bulk URB instead. | |
2362 | */ | |
2363 | if (opcode == 0xfc09) | |
2364 | urb = alloc_bulk_urb(hdev, skb); | |
2365 | else | |
2366 | urb = alloc_ctrl_urb(hdev, skb); | |
2367 | ||
2368 | /* When the 0xfc01 command is issued to boot into | |
2369 | * the operational firmware, it will actually not | |
2370 | * send a command complete event. To keep the flow | |
2371 | * control working inject that event here. | |
2372 | */ | |
2373 | if (opcode == 0xfc01) | |
2374 | inject_cmd_complete(hdev, opcode); | |
2375 | } else { | |
2376 | urb = alloc_ctrl_urb(hdev, skb); | |
2377 | } | |
2378 | if (IS_ERR(urb)) | |
2379 | return PTR_ERR(urb); | |
2380 | ||
2381 | hdev->stat.cmd_tx++; | |
2382 | return submit_or_queue_tx_urb(hdev, urb); | |
2383 | ||
2384 | case HCI_ACLDATA_PKT: | |
2385 | urb = alloc_bulk_urb(hdev, skb); | |
2386 | if (IS_ERR(urb)) | |
2387 | return PTR_ERR(urb); | |
2388 | ||
2389 | hdev->stat.acl_tx++; | |
2390 | return submit_or_queue_tx_urb(hdev, urb); | |
2391 | ||
2392 | case HCI_SCODATA_PKT: | |
2393 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
2394 | return -ENODEV; | |
2395 | ||
2396 | urb = alloc_isoc_urb(hdev, skb); | |
2397 | if (IS_ERR(urb)) | |
2398 | return PTR_ERR(urb); | |
2399 | ||
2400 | hdev->stat.sco_tx++; | |
2401 | return submit_tx_urb(hdev, urb); | |
2402 | } | |
2403 | ||
2404 | return -EILSEQ; | |
2405 | } | |
2406 | ||
9b16bfbf | 2407 | static int btusb_setup_intel_new_get_fw_name(struct intel_version *ver, |
2da711bc RH |
2408 | struct intel_boot_params *params, |
2409 | char *fw_name, size_t len, | |
2410 | const char *suffix) | |
2411 | { | |
2412 | switch (ver->hw_variant) { | |
2413 | case 0x0b: /* SfP */ | |
2414 | case 0x0c: /* WsP */ | |
2415 | snprintf(fw_name, len, "intel/ibt-%u-%u.%s", | |
2416 | le16_to_cpu(ver->hw_variant), | |
2417 | le16_to_cpu(params->dev_revid), | |
2418 | suffix); | |
2419 | break; | |
2420 | case 0x11: /* JfP */ | |
2421 | case 0x12: /* ThP */ | |
2422 | case 0x13: /* HrP */ | |
2423 | case 0x14: /* CcP */ | |
2424 | snprintf(fw_name, len, "intel/ibt-%u-%u-%u.%s", | |
2425 | le16_to_cpu(ver->hw_variant), | |
2426 | le16_to_cpu(ver->hw_revision), | |
2427 | le16_to_cpu(ver->fw_revision), | |
2428 | suffix); | |
2429 | break; | |
2430 | default: | |
9b16bfbf | 2431 | return -EINVAL; |
2da711bc | 2432 | } |
9b16bfbf LAD |
2433 | |
2434 | return 0; | |
2da711bc RH |
2435 | } |
2436 | ||
9a93b8b8 K |
2437 | static void btusb_setup_intel_newgen_get_fw_name(const struct intel_version_tlv *ver_tlv, |
2438 | char *fw_name, size_t len, | |
2439 | const char *suffix) | |
2440 | { | |
2441 | /* The firmware file name for new generation controllers will be | |
2442 | * ibt-<cnvi_top type+cnvi_top step>-<cnvr_top type+cnvr_top step> | |
2443 | */ | |
2444 | snprintf(fw_name, len, "intel/ibt-%04x-%04x.%s", | |
2445 | INTEL_CNVX_TOP_PACK_SWAB(INTEL_CNVX_TOP_TYPE(ver_tlv->cnvi_top), | |
2446 | INTEL_CNVX_TOP_STEP(ver_tlv->cnvi_top)), | |
2447 | INTEL_CNVX_TOP_PACK_SWAB(INTEL_CNVX_TOP_TYPE(ver_tlv->cnvr_top), | |
2448 | INTEL_CNVX_TOP_STEP(ver_tlv->cnvr_top)), | |
2449 | suffix); | |
2450 | } | |
2451 | ||
21e31c65 LAD |
2452 | static int btusb_download_wait(struct hci_dev *hdev, ktime_t calltime, int msec) |
2453 | { | |
2454 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2455 | ktime_t delta, rettime; | |
2456 | unsigned long long duration; | |
2457 | int err; | |
2458 | ||
2459 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); | |
2460 | ||
2461 | bt_dev_info(hdev, "Waiting for firmware download to complete"); | |
2462 | ||
2463 | err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING, | |
2464 | TASK_INTERRUPTIBLE, | |
2465 | msecs_to_jiffies(msec)); | |
2466 | if (err == -EINTR) { | |
2467 | bt_dev_err(hdev, "Firmware loading interrupted"); | |
2468 | return err; | |
2469 | } | |
2470 | ||
2471 | if (err) { | |
2472 | bt_dev_err(hdev, "Firmware loading timeout"); | |
2473 | return -ETIMEDOUT; | |
2474 | } | |
2475 | ||
2476 | if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) { | |
2477 | bt_dev_err(hdev, "Firmware loading failed"); | |
2478 | return -ENOEXEC; | |
2479 | } | |
2480 | ||
2481 | rettime = ktime_get(); | |
2482 | delta = ktime_sub(rettime, calltime); | |
2483 | duration = (unsigned long long)ktime_to_ns(delta) >> 10; | |
2484 | ||
2485 | bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration); | |
2486 | ||
2487 | return 0; | |
2488 | } | |
2489 | ||
3f43a378 K |
2490 | static int btusb_intel_download_firmware_newgen(struct hci_dev *hdev, |
2491 | struct intel_version_tlv *ver, | |
2492 | u32 *boot_param) | |
2493 | { | |
2494 | const struct firmware *fw; | |
2495 | char fwname[64]; | |
2496 | int err; | |
2497 | struct btusb_data *data = hci_get_drvdata(hdev); | |
21e31c65 | 2498 | ktime_t calltime; |
3f43a378 K |
2499 | |
2500 | if (!ver || !boot_param) | |
2501 | return -EINVAL; | |
2502 | ||
3f43a378 K |
2503 | /* The firmware variant determines if the device is in bootloader |
2504 | * mode or is running operational firmware. The value 0x03 identifies | |
2505 | * the bootloader and the value 0x23 identifies the operational | |
2506 | * firmware. | |
2507 | * | |
2508 | * When the operational firmware is already present, then only | |
2509 | * the check for valid Bluetooth device address is needed. This | |
2510 | * determines if the device will be added as configured or | |
2511 | * unconfigured controller. | |
2512 | * | |
2513 | * It is not possible to use the Secure Boot Parameters in this | |
2514 | * case since that command is only available in bootloader mode. | |
2515 | */ | |
2516 | if (ver->img_type == 0x03) { | |
2517 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2518 | btintel_check_bdaddr(hdev); | |
3f43a378 K |
2519 | } |
2520 | ||
3f43a378 K |
2521 | /* If the OTP has no valid Bluetooth device address, then there will |
2522 | * also be no valid address for the operational firmware. | |
2523 | */ | |
2524 | if (!bacmp(&ver->otp_bd_addr, BDADDR_ANY)) { | |
2525 | bt_dev_info(hdev, "No device address configured"); | |
2526 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); | |
2527 | } | |
2528 | ||
2529 | btusb_setup_intel_newgen_get_fw_name(ver, fwname, sizeof(fwname), "sfi"); | |
2530 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2531 | if (err < 0) { | |
62acbbb6 K |
2532 | bt_dev_err(hdev, "Failed to load Intel firmware file %s (%d)", |
2533 | fwname, err); | |
3f43a378 K |
2534 | return err; |
2535 | } | |
2536 | ||
2537 | bt_dev_info(hdev, "Found device firmware: %s", fwname); | |
2538 | ||
2539 | if (fw->size < 644) { | |
2540 | bt_dev_err(hdev, "Invalid size of firmware file (%zu)", | |
2541 | fw->size); | |
2542 | err = -EBADF; | |
2543 | goto done; | |
2544 | } | |
2545 | ||
21e31c65 LAD |
2546 | calltime = ktime_get(); |
2547 | ||
3f43a378 K |
2548 | set_bit(BTUSB_DOWNLOADING, &data->flags); |
2549 | ||
2550 | /* Start firmware downloading and get boot parameter */ | |
ac056546 | 2551 | err = btintel_download_firmware_newgen(hdev, ver, fw, boot_param, |
3f43a378 K |
2552 | INTEL_HW_VARIANT(ver->cnvi_bt), |
2553 | ver->sbe_type); | |
2554 | if (err < 0) { | |
ac056546 LAD |
2555 | if (err == -EALREADY) { |
2556 | /* Firmware has already been loaded */ | |
2557 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); | |
2558 | err = 0; | |
2559 | goto done; | |
2560 | } | |
2561 | ||
3f43a378 K |
2562 | /* When FW download fails, send Intel Reset to retry |
2563 | * FW download. | |
2564 | */ | |
2565 | btintel_reset_to_bootloader(hdev); | |
2566 | goto done; | |
2567 | } | |
3f43a378 K |
2568 | |
2569 | /* Before switching the device into operational mode and with that | |
2570 | * booting the loaded firmware, wait for the bootloader notification | |
2571 | * that all fragments have been successfully received. | |
2572 | * | |
2573 | * When the event processing receives the notification, then the | |
2574 | * BTUSB_DOWNLOADING flag will be cleared. | |
2575 | * | |
2576 | * The firmware loading should not take longer than 5 seconds | |
2577 | * and thus just timeout if that happens and fail the setup | |
2578 | * of this device. | |
2579 | */ | |
21e31c65 LAD |
2580 | err = btusb_download_wait(hdev, calltime, 5000); |
2581 | if (err == -ETIMEDOUT) | |
3f43a378 | 2582 | btintel_reset_to_bootloader(hdev); |
3f43a378 K |
2583 | |
2584 | done: | |
2585 | release_firmware(fw); | |
2586 | return err; | |
2587 | } | |
2588 | ||
5ea7c81a K |
2589 | static int btusb_intel_download_firmware(struct hci_dev *hdev, |
2590 | struct intel_version *ver, | |
dc45d375 K |
2591 | struct intel_boot_params *params, |
2592 | u32 *boot_param) | |
cda0dd78 | 2593 | { |
cda0dd78 | 2594 | const struct firmware *fw; |
cda0dd78 | 2595 | char fwname[64]; |
cda0dd78 | 2596 | int err; |
5ea7c81a | 2597 | struct btusb_data *data = hci_get_drvdata(hdev); |
21e31c65 | 2598 | ktime_t calltime; |
cda0dd78 | 2599 | |
5ea7c81a K |
2600 | if (!ver || !params) |
2601 | return -EINVAL; | |
cda0dd78 | 2602 | |
cda0dd78 MH |
2603 | /* The firmware variant determines if the device is in bootloader |
2604 | * mode or is running operational firmware. The value 0x06 identifies | |
2605 | * the bootloader and the value 0x23 identifies the operational | |
2606 | * firmware. | |
2607 | * | |
2608 | * When the operational firmware is already present, then only | |
2609 | * the check for valid Bluetooth device address is needed. This | |
2610 | * determines if the device will be added as configured or | |
2611 | * unconfigured controller. | |
2612 | * | |
2613 | * It is not possible to use the Secure Boot Parameters in this | |
2614 | * case since that command is only available in bootloader mode. | |
2615 | */ | |
5ea7c81a | 2616 | if (ver->fw_variant == 0x23) { |
cda0dd78 | 2617 | clear_bit(BTUSB_BOOTLOADER, &data->flags); |
4185a0f5 | 2618 | btintel_check_bdaddr(hdev); |
cda0dd78 | 2619 | |
9b16bfbf LAD |
2620 | /* SfP and WsP don't seem to update the firmware version on file |
2621 | * so version checking is currently possible. | |
2622 | */ | |
2623 | switch (ver->hw_variant) { | |
2624 | case 0x0b: /* SfP */ | |
2625 | case 0x0c: /* WsP */ | |
2626 | return 0; | |
2627 | } | |
2628 | ||
2629 | /* Proceed to download to check if the version matches */ | |
2630 | goto download; | |
cda0dd78 MH |
2631 | } |
2632 | ||
cda0dd78 MH |
2633 | /* Read the secure boot parameters to identify the operating |
2634 | * details of the bootloader. | |
2635 | */ | |
5ea7c81a | 2636 | err = btintel_read_boot_params(hdev, params); |
faf174d2 THJA |
2637 | if (err) |
2638 | return err; | |
cda0dd78 MH |
2639 | |
2640 | /* It is required that every single firmware fragment is acknowledged | |
2641 | * with a command complete event. If the boot parameters indicate | |
2642 | * that this bootloader does not send them, then abort the setup. | |
2643 | */ | |
5ea7c81a | 2644 | if (params->limited_cce != 0x00) { |
85418fef | 2645 | bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)", |
5ea7c81a | 2646 | params->limited_cce); |
cda0dd78 MH |
2647 | return -EINVAL; |
2648 | } | |
2649 | ||
2650 | /* If the OTP has no valid Bluetooth device address, then there will | |
2651 | * also be no valid address for the operational firmware. | |
2652 | */ | |
5ea7c81a | 2653 | if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) { |
2064ee33 | 2654 | bt_dev_info(hdev, "No device address configured"); |
cda0dd78 MH |
2655 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
2656 | } | |
2657 | ||
9b16bfbf | 2658 | download: |
cda0dd78 | 2659 | /* With this Intel bootloader only the hardware variant and device |
af3715e5 J |
2660 | * revision information are used to select the right firmware for SfP |
2661 | * and WsP. | |
cda0dd78 | 2662 | * |
230b04ac THJA |
2663 | * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi. |
2664 | * | |
2665 | * Currently the supported hardware variants are: | |
2666 | * 11 (0x0b) for iBT3.0 (LnP/SfP) | |
2667 | * 12 (0x0c) for iBT3.5 (WsP) | |
af3715e5 J |
2668 | * |
2669 | * For ThP/JfP and for future SKU's, the FW name varies based on HW | |
2670 | * variant, HW revision and FW revision, as these are dependent on CNVi | |
2671 | * and RF Combination. | |
2672 | * | |
86a6129a THJA |
2673 | * 17 (0x11) for iBT3.5 (JfP) |
2674 | * 18 (0x12) for iBT3.5 (ThP) | |
af3715e5 J |
2675 | * |
2676 | * The firmware file name for these will be | |
2677 | * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi. | |
2678 | * | |
cda0dd78 | 2679 | */ |
5ea7c81a | 2680 | err = btusb_setup_intel_new_get_fw_name(ver, params, fwname, |
2da711bc | 2681 | sizeof(fwname), "sfi"); |
9b16bfbf | 2682 | if (err < 0) { |
85418fef | 2683 | bt_dev_err(hdev, "Unsupported Intel firmware naming"); |
af3715e5 J |
2684 | return -EINVAL; |
2685 | } | |
cda0dd78 MH |
2686 | |
2687 | err = request_firmware(&fw, fwname, &hdev->dev); | |
2688 | if (err < 0) { | |
62acbbb6 K |
2689 | bt_dev_err(hdev, "Failed to load Intel firmware file %s (%d)", |
2690 | fwname, err); | |
cda0dd78 MH |
2691 | return err; |
2692 | } | |
2693 | ||
2064ee33 | 2694 | bt_dev_info(hdev, "Found device firmware: %s", fwname); |
cda0dd78 | 2695 | |
cda0dd78 | 2696 | if (fw->size < 644) { |
85418fef MH |
2697 | bt_dev_err(hdev, "Invalid size of firmware file (%zu)", |
2698 | fw->size); | |
cda0dd78 MH |
2699 | err = -EBADF; |
2700 | goto done; | |
2701 | } | |
2702 | ||
21e31c65 LAD |
2703 | calltime = ktime_get(); |
2704 | ||
cda0dd78 MH |
2705 | set_bit(BTUSB_DOWNLOADING, &data->flags); |
2706 | ||
fbbe83c5 | 2707 | /* Start firmware downloading and get boot parameter */ |
ac056546 | 2708 | err = btintel_download_firmware(hdev, ver, fw, boot_param); |
b9a2562f | 2709 | if (err < 0) { |
ac056546 LAD |
2710 | if (err == -EALREADY) { |
2711 | /* Firmware has already been loaded */ | |
2712 | set_bit(BTUSB_FIRMWARE_LOADED, &data->flags); | |
2713 | err = 0; | |
2714 | goto done; | |
2715 | } | |
2716 | ||
b9a2562f AB |
2717 | /* When FW download fails, send Intel Reset to retry |
2718 | * FW download. | |
2719 | */ | |
2720 | btintel_reset_to_bootloader(hdev); | |
cda0dd78 | 2721 | goto done; |
b9a2562f | 2722 | } |
a087a98e | 2723 | |
cda0dd78 MH |
2724 | /* Before switching the device into operational mode and with that |
2725 | * booting the loaded firmware, wait for the bootloader notification | |
2726 | * that all fragments have been successfully received. | |
2727 | * | |
a087a98e JH |
2728 | * When the event processing receives the notification, then the |
2729 | * BTUSB_DOWNLOADING flag will be cleared. | |
2730 | * | |
2731 | * The firmware loading should not take longer than 5 seconds | |
2732 | * and thus just timeout if that happens and fail the setup | |
2733 | * of this device. | |
cda0dd78 | 2734 | */ |
21e31c65 LAD |
2735 | err = btusb_download_wait(hdev, calltime, 5000); |
2736 | if (err == -ETIMEDOUT) | |
b9a2562f | 2737 | btintel_reset_to_bootloader(hdev); |
cda0dd78 | 2738 | |
5ea7c81a K |
2739 | done: |
2740 | release_firmware(fw); | |
2741 | return err; | |
2742 | } | |
2743 | ||
604b3cf8 LAD |
2744 | static int btusb_boot_wait(struct hci_dev *hdev, ktime_t calltime, int msec) |
2745 | { | |
2746 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2747 | ktime_t delta, rettime; | |
2748 | unsigned long long duration; | |
2749 | int err; | |
2750 | ||
2751 | bt_dev_info(hdev, "Waiting for device to boot"); | |
2752 | ||
2753 | err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING, | |
2754 | TASK_INTERRUPTIBLE, | |
2755 | msecs_to_jiffies(msec)); | |
2756 | if (err == -EINTR) { | |
2757 | bt_dev_err(hdev, "Device boot interrupted"); | |
2758 | return -EINTR; | |
2759 | } | |
2760 | ||
2761 | if (err) { | |
2762 | bt_dev_err(hdev, "Device boot timeout"); | |
2763 | return -ETIMEDOUT; | |
2764 | } | |
2765 | ||
2766 | rettime = ktime_get(); | |
2767 | delta = ktime_sub(rettime, calltime); | |
2768 | duration = (unsigned long long) ktime_to_ns(delta) >> 10; | |
2769 | ||
2770 | bt_dev_info(hdev, "Device booted in %llu usecs", duration); | |
2771 | ||
2772 | return 0; | |
2773 | } | |
2774 | ||
2775 | static int btusb_intel_boot(struct hci_dev *hdev, u32 boot_addr) | |
2776 | { | |
2777 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2778 | ktime_t calltime; | |
2779 | int err; | |
2780 | ||
2781 | calltime = ktime_get(); | |
2782 | ||
2783 | set_bit(BTUSB_BOOTING, &data->flags); | |
2784 | ||
2785 | err = btintel_send_intel_reset(hdev, boot_addr); | |
2786 | if (err) { | |
2787 | bt_dev_err(hdev, "Intel Soft Reset failed (%d)", err); | |
2788 | btintel_reset_to_bootloader(hdev); | |
2789 | return err; | |
2790 | } | |
2791 | ||
2792 | /* The bootloader will not indicate when the device is ready. This | |
2793 | * is done by the operational firmware sending bootup notification. | |
2794 | * | |
2795 | * Booting into operational firmware should not take longer than | |
2796 | * 1 second. However if that happens, then just fail the setup | |
2797 | * since something went wrong. | |
2798 | */ | |
2799 | err = btusb_boot_wait(hdev, calltime, 1000); | |
2800 | if (err == -ETIMEDOUT) | |
2801 | btintel_reset_to_bootloader(hdev); | |
2802 | ||
2803 | return err; | |
2804 | } | |
2805 | ||
5ea7c81a K |
2806 | static int btusb_setup_intel_new(struct hci_dev *hdev) |
2807 | { | |
2808 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2809 | struct intel_version ver; | |
2810 | struct intel_boot_params params; | |
2811 | u32 boot_param; | |
2812 | char ddcname[64]; | |
5ea7c81a K |
2813 | int err; |
2814 | struct intel_debug_features features; | |
2815 | ||
2816 | BT_DBG("%s", hdev->name); | |
2817 | ||
2818 | /* Set the default boot parameter to 0x0 and it is updated to | |
2819 | * SKU specific boot parameter after reading Intel_Write_Boot_Params | |
2820 | * command while downloading the firmware. | |
2821 | */ | |
2822 | boot_param = 0x00000000; | |
2823 | ||
5ea7c81a K |
2824 | /* Read the Intel version information to determine if the device |
2825 | * is in bootloader mode or if it already has operational firmware | |
2826 | * loaded. | |
2827 | */ | |
2828 | err = btintel_read_version(hdev, &ver); | |
2829 | if (err) { | |
2830 | bt_dev_err(hdev, "Intel Read version failed (%d)", err); | |
2831 | btintel_reset_to_bootloader(hdev); | |
2832 | return err; | |
2833 | } | |
2834 | ||
d68903da LAD |
2835 | err = btintel_version_info(hdev, &ver); |
2836 | if (err) | |
2837 | return err; | |
2838 | ||
dc45d375 | 2839 | err = btusb_intel_download_firmware(hdev, &ver, ¶ms, &boot_param); |
5ea7c81a K |
2840 | if (err) |
2841 | return err; | |
2842 | ||
2843 | /* controller is already having an operational firmware */ | |
2844 | if (ver.fw_variant == 0x23) | |
2845 | goto finish; | |
2846 | ||
604b3cf8 LAD |
2847 | err = btusb_intel_boot(hdev, boot_param); |
2848 | if (err) | |
e5889af6 | 2849 | return err; |
cda0dd78 MH |
2850 | |
2851 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2852 | ||
5ea7c81a K |
2853 | err = btusb_setup_intel_new_get_fw_name(&ver, ¶ms, ddcname, |
2854 | sizeof(ddcname), "ddc"); | |
2855 | ||
9b16bfbf | 2856 | if (err < 0) { |
5ea7c81a K |
2857 | bt_dev_err(hdev, "Unsupported Intel firmware naming"); |
2858 | } else { | |
2859 | /* Once the device is running in operational mode, it needs to | |
2860 | * apply the device configuration (DDC) parameters. | |
2861 | * | |
2862 | * The device can work without DDC parameters, so even if it | |
2863 | * fails to load the file, no need to fail the setup. | |
2864 | */ | |
2865 | btintel_load_ddc_config(hdev, ddcname); | |
2866 | } | |
52cc9168 | 2867 | |
d74abe21 C |
2868 | /* Read the Intel supported features and if new exception formats |
2869 | * supported, need to load the additional DDC config to enable. | |
2870 | */ | |
2871 | btintel_read_debug_features(hdev, &features); | |
2872 | ||
c453b10c C |
2873 | /* Set DDC mask for available debug features */ |
2874 | btintel_set_debug_features(hdev, &features); | |
2875 | ||
7fd673bc MH |
2876 | /* Read the Intel version information after loading the FW */ |
2877 | err = btintel_read_version(hdev, &ver); | |
2878 | if (err) | |
2879 | return err; | |
2880 | ||
2881 | btintel_version_info(hdev, &ver); | |
2882 | ||
2883 | finish: | |
fc04590e MC |
2884 | /* All Intel controllers that support the Microsoft vendor |
2885 | * extension are using 0xFC1E for VsMsftOpCode. | |
2886 | */ | |
2887 | switch (ver.hw_variant) { | |
7a45bcb4 | 2888 | case 0x11: /* JfP */ |
fc04590e | 2889 | case 0x12: /* ThP */ |
7a45bcb4 MC |
2890 | case 0x13: /* HrP */ |
2891 | case 0x14: /* CcP */ | |
fc04590e MC |
2892 | hci_set_msft_opcode(hdev, 0xFC1E); |
2893 | break; | |
2894 | } | |
2895 | ||
213445b2 MH |
2896 | /* Set the event mask for Intel specific vendor events. This enables |
2897 | * a few extra events that are useful during general operation. It | |
2898 | * does not enable any debugging related events. | |
2899 | * | |
2900 | * The device will function correctly without these events enabled | |
2901 | * and thus no need to fail the setup. | |
2902 | */ | |
2903 | btintel_set_event_mask(hdev, false); | |
2904 | ||
cda0dd78 MH |
2905 | return 0; |
2906 | } | |
2907 | ||
0a3c1d45 K |
2908 | static int btusb_setup_intel_newgen(struct hci_dev *hdev) |
2909 | { | |
2910 | struct btusb_data *data = hci_get_drvdata(hdev); | |
2911 | u32 boot_param; | |
2912 | char ddcname[64]; | |
0a3c1d45 K |
2913 | int err; |
2914 | struct intel_debug_features features; | |
2915 | struct intel_version_tlv version; | |
2916 | ||
2917 | bt_dev_dbg(hdev, ""); | |
2918 | ||
2919 | /* Set the default boot parameter to 0x0 and it is updated to | |
2920 | * SKU specific boot parameter after reading Intel_Write_Boot_Params | |
2921 | * command while downloading the firmware. | |
2922 | */ | |
2923 | boot_param = 0x00000000; | |
2924 | ||
0a3c1d45 K |
2925 | /* Read the Intel version information to determine if the device |
2926 | * is in bootloader mode or if it already has operational firmware | |
2927 | * loaded. | |
2928 | */ | |
2929 | err = btintel_read_version_tlv(hdev, &version); | |
2930 | if (err) { | |
2931 | bt_dev_err(hdev, "Intel Read version failed (%d)", err); | |
2932 | btintel_reset_to_bootloader(hdev); | |
2933 | return err; | |
2934 | } | |
2935 | ||
0a460d8f LAD |
2936 | err = btintel_version_info_tlv(hdev, &version); |
2937 | if (err) | |
2938 | return err; | |
0a3c1d45 | 2939 | |
3f43a378 K |
2940 | err = btusb_intel_download_firmware_newgen(hdev, &version, &boot_param); |
2941 | if (err) | |
2942 | return err; | |
2943 | ||
0a3c1d45 K |
2944 | /* check if controller is already having an operational firmware */ |
2945 | if (version.img_type == 0x03) | |
2946 | goto finish; | |
2947 | ||
604b3cf8 LAD |
2948 | err = btusb_intel_boot(hdev, boot_param); |
2949 | if (err) | |
0a3c1d45 | 2950 | return err; |
0a3c1d45 K |
2951 | |
2952 | clear_bit(BTUSB_BOOTLOADER, &data->flags); | |
2953 | ||
9a93b8b8 K |
2954 | btusb_setup_intel_newgen_get_fw_name(&version, ddcname, sizeof(ddcname), |
2955 | "ddc"); | |
0a3c1d45 K |
2956 | /* Once the device is running in operational mode, it needs to |
2957 | * apply the device configuration (DDC) parameters. | |
2958 | * | |
2959 | * The device can work without DDC parameters, so even if it | |
2960 | * fails to load the file, no need to fail the setup. | |
2961 | */ | |
2962 | btintel_load_ddc_config(hdev, ddcname); | |
2963 | ||
2964 | /* Read the Intel supported features and if new exception formats | |
2965 | * supported, need to load the additional DDC config to enable. | |
2966 | */ | |
2967 | btintel_read_debug_features(hdev, &features); | |
2968 | ||
2969 | /* Set DDC mask for available debug features */ | |
2970 | btintel_set_debug_features(hdev, &features); | |
2971 | ||
2972 | /* Read the Intel version information after loading the FW */ | |
2973 | err = btintel_read_version_tlv(hdev, &version); | |
2974 | if (err) | |
2975 | return err; | |
2976 | ||
2977 | btintel_version_info_tlv(hdev, &version); | |
2978 | ||
2979 | finish: | |
2980 | /* Set the event mask for Intel specific vendor events. This enables | |
2981 | * a few extra events that are useful during general operation. It | |
2982 | * does not enable any debugging related events. | |
2983 | * | |
2984 | * The device will function correctly without these events enabled | |
2985 | * and thus no need to fail the setup. | |
2986 | */ | |
2987 | btintel_set_event_mask(hdev, false); | |
2988 | ||
2989 | return 0; | |
2990 | } | |
bfbd45e9 THJA |
2991 | static int btusb_shutdown_intel(struct hci_dev *hdev) |
2992 | { | |
2993 | struct sk_buff *skb; | |
2994 | long ret; | |
2995 | ||
1313bccf AB |
2996 | /* In the shutdown sequence where Bluetooth is turned off followed |
2997 | * by WiFi being turned off, turning WiFi back on causes issue with | |
2998 | * the RF calibration. | |
2999 | * | |
3000 | * To ensure that any RF activity has been stopped, issue HCI Reset | |
3001 | * command to clear all ongoing activity including advertising, | |
3002 | * scanning etc. | |
3003 | */ | |
3004 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
3005 | if (IS_ERR(skb)) { | |
3006 | ret = PTR_ERR(skb); | |
3007 | bt_dev_err(hdev, "HCI reset during shutdown failed"); | |
3008 | return ret; | |
3009 | } | |
3010 | kfree_skb(skb); | |
3011 | ||
bfbd45e9 THJA |
3012 | /* Some platforms have an issue with BT LED when the interface is |
3013 | * down or BT radio is turned off, which takes 5 seconds to BT LED | |
3014 | * goes off. This command turns off the BT LED immediately. | |
3015 | */ | |
3016 | skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT); | |
3017 | if (IS_ERR(skb)) { | |
3018 | ret = PTR_ERR(skb); | |
85418fef | 3019 | bt_dev_err(hdev, "turning off Intel device LED failed"); |
bfbd45e9 THJA |
3020 | return ret; |
3021 | } | |
3022 | kfree_skb(skb); | |
3023 | ||
3024 | return 0; | |
3025 | } | |
3026 | ||
017a01cc RH |
3027 | static int btusb_shutdown_intel_new(struct hci_dev *hdev) |
3028 | { | |
3029 | struct sk_buff *skb; | |
3030 | ||
3031 | /* Send HCI Reset to the controller to stop any BT activity which | |
3032 | * were triggered. This will help to save power and maintain the | |
3033 | * sync b/w Host and controller | |
3034 | */ | |
3035 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
3036 | if (IS_ERR(skb)) { | |
3037 | bt_dev_err(hdev, "HCI reset during shutdown failed"); | |
3038 | return PTR_ERR(skb); | |
3039 | } | |
3040 | kfree_skb(skb); | |
3041 | ||
3042 | return 0; | |
3043 | } | |
3044 | ||
9ce67c32 | 3045 | #define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin" |
a1c49c43 SW |
3046 | #define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin" |
3047 | ||
3048 | #define HCI_WMT_MAX_EVENT_SIZE 64 | |
fc342c4d MC |
3049 | /* It is for mt79xx download rom patch*/ |
3050 | #define MTK_FW_ROM_PATCH_HEADER_SIZE 32 | |
3051 | #define MTK_FW_ROM_PATCH_GD_SIZE 64 | |
3052 | #define MTK_FW_ROM_PATCH_SEC_MAP_SIZE 64 | |
3053 | #define MTK_SEC_MAP_COMMON_SIZE 12 | |
3054 | #define MTK_SEC_MAP_NEED_SEND_SIZE 52 | |
a1c49c43 SW |
3055 | |
3056 | enum { | |
3057 | BTMTK_WMT_PATCH_DWNLD = 0x1, | |
3058 | BTMTK_WMT_FUNC_CTRL = 0x6, | |
3059 | BTMTK_WMT_RST = 0x7, | |
3060 | BTMTK_WMT_SEMAPHORE = 0x17, | |
3061 | }; | |
3062 | ||
3063 | enum { | |
3064 | BTMTK_WMT_INVALID, | |
3065 | BTMTK_WMT_PATCH_UNDONE, | |
48c13301 | 3066 | BTMTK_WMT_PATCH_PROGRESS, |
a1c49c43 SW |
3067 | BTMTK_WMT_PATCH_DONE, |
3068 | BTMTK_WMT_ON_UNDONE, | |
3069 | BTMTK_WMT_ON_DONE, | |
3070 | BTMTK_WMT_ON_PROGRESS, | |
3071 | }; | |
3072 | ||
3073 | struct btmtk_wmt_hdr { | |
3074 | u8 dir; | |
3075 | u8 op; | |
3076 | __le16 dlen; | |
3077 | u8 flag; | |
3078 | } __packed; | |
3079 | ||
3080 | struct btmtk_hci_wmt_cmd { | |
3081 | struct btmtk_wmt_hdr hdr; | |
10888140 | 3082 | u8 data[]; |
a1c49c43 SW |
3083 | } __packed; |
3084 | ||
3085 | struct btmtk_hci_wmt_evt { | |
3086 | struct hci_event_hdr hhdr; | |
3087 | struct btmtk_wmt_hdr whdr; | |
3088 | } __packed; | |
3089 | ||
3090 | struct btmtk_hci_wmt_evt_funcc { | |
3091 | struct btmtk_hci_wmt_evt hwhdr; | |
3092 | __be16 status; | |
3093 | } __packed; | |
3094 | ||
3095 | struct btmtk_tci_sleep { | |
3096 | u8 mode; | |
3097 | __le16 duration; | |
3098 | __le16 host_duration; | |
3099 | u8 host_wakeup_pin; | |
3100 | u8 time_compensation; | |
3101 | } __packed; | |
3102 | ||
3103 | struct btmtk_hci_wmt_params { | |
3104 | u8 op; | |
3105 | u8 flag; | |
3106 | u16 dlen; | |
3107 | const void *data; | |
3108 | u32 *status; | |
3109 | }; | |
3110 | ||
fc342c4d MC |
3111 | struct btmtk_patch_header { |
3112 | u8 datetime[16]; | |
3113 | u8 platform[4]; | |
3114 | __le16 hwver; | |
3115 | __le16 swver; | |
3116 | __le32 magicnum; | |
3117 | } __packed; | |
3118 | ||
3119 | struct btmtk_global_desc { | |
3120 | __le32 patch_ver; | |
3121 | __le32 sub_sys; | |
3122 | __le32 feature_opt; | |
3123 | __le32 section_num; | |
3124 | } __packed; | |
3125 | ||
3126 | struct btmtk_section_map { | |
3127 | __le32 sectype; | |
3128 | __le32 secoffset; | |
3129 | __le32 secsize; | |
3130 | union { | |
3131 | __le32 u4SecSpec[13]; | |
3132 | struct { | |
3133 | __le32 dlAddr; | |
3134 | __le32 dlsize; | |
3135 | __le32 seckeyidx; | |
3136 | __le32 alignlen; | |
3137 | __le32 sectype; | |
3138 | __le32 dlmodecrctype; | |
3139 | __le32 crc; | |
3140 | __le32 reserved[6]; | |
3141 | } bin_info_spec; | |
3142 | }; | |
3143 | } __packed; | |
3144 | ||
a1c49c43 SW |
3145 | static void btusb_mtk_wmt_recv(struct urb *urb) |
3146 | { | |
3147 | struct hci_dev *hdev = urb->context; | |
3148 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3149 | struct hci_event_hdr *hdr; | |
3150 | struct sk_buff *skb; | |
3151 | int err; | |
3152 | ||
3153 | if (urb->status == 0 && urb->actual_length > 0) { | |
3154 | hdev->stat.byte_rx += urb->actual_length; | |
3155 | ||
3156 | /* WMT event shouldn't be fragmented and the size should be | |
3157 | * less than HCI_WMT_MAX_EVENT_SIZE. | |
3158 | */ | |
3159 | skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC); | |
3160 | if (!skb) { | |
3161 | hdev->stat.err_rx++; | |
de71a6cb | 3162 | return; |
a1c49c43 SW |
3163 | } |
3164 | ||
3165 | hci_skb_pkt_type(skb) = HCI_EVENT_PKT; | |
3166 | skb_put_data(skb, urb->transfer_buffer, urb->actual_length); | |
3167 | ||
3168 | hdr = (void *)skb->data; | |
3169 | /* Fix up the vendor event id with 0xff for vendor specific | |
3170 | * instead of 0xe4 so that event send via monitoring socket can | |
3171 | * be parsed properly. | |
3172 | */ | |
3173 | hdr->evt = 0xff; | |
3174 | ||
3175 | /* When someone waits for the WMT event, the skb is being cloned | |
3176 | * and being processed the events from there then. | |
3177 | */ | |
3178 | if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) { | |
22cc6b7a | 3179 | data->evt_skb = skb_clone(skb, GFP_ATOMIC); |
de71a6cb JZ |
3180 | if (!data->evt_skb) { |
3181 | kfree_skb(skb); | |
3182 | return; | |
3183 | } | |
a1c49c43 SW |
3184 | } |
3185 | ||
3186 | err = hci_recv_frame(hdev, skb); | |
de71a6cb JZ |
3187 | if (err < 0) { |
3188 | kfree_skb(data->evt_skb); | |
3189 | data->evt_skb = NULL; | |
3190 | return; | |
3191 | } | |
a1c49c43 SW |
3192 | |
3193 | if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT, | |
3194 | &data->flags)) { | |
3195 | /* Barrier to sync with other CPUs */ | |
3196 | smp_mb__after_atomic(); | |
3197 | wake_up_bit(&data->flags, | |
3198 | BTUSB_TX_WAIT_VND_EVT); | |
3199 | } | |
a1c49c43 SW |
3200 | return; |
3201 | } else if (urb->status == -ENOENT) { | |
3202 | /* Avoid suspend failed when usb_kill_urb */ | |
3203 | return; | |
3204 | } | |
3205 | ||
3206 | usb_mark_last_busy(data->udev); | |
3207 | ||
3208 | /* The URB complete handler is still called with urb->actual_length = 0 | |
3209 | * when the event is not available, so we should keep re-submitting | |
3210 | * URB until WMT event returns, Also, It's necessary to wait some time | |
3211 | * between the two consecutive control URBs to relax the target device | |
3212 | * to generate the event. Otherwise, the WMT event cannot return from | |
3213 | * the device successfully. | |
3214 | */ | |
48c13301 | 3215 | udelay(500); |
a1c49c43 SW |
3216 | |
3217 | usb_anchor_urb(urb, &data->ctrl_anchor); | |
3218 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
3219 | if (err < 0) { | |
3220 | /* -EPERM: urb is being killed; | |
3221 | * -ENODEV: device got disconnected | |
3222 | */ | |
3223 | if (err != -EPERM && err != -ENODEV) | |
3224 | bt_dev_err(hdev, "urb %p failed to resubmit (%d)", | |
3225 | urb, -err); | |
3226 | usb_unanchor_urb(urb); | |
3227 | } | |
3228 | } | |
3229 | ||
3230 | static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev) | |
3231 | { | |
3232 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3233 | struct usb_ctrlrequest *dr; | |
3234 | unsigned char *buf; | |
3235 | int err, size = 64; | |
3236 | unsigned int pipe; | |
3237 | struct urb *urb; | |
3238 | ||
3239 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
3240 | if (!urb) | |
3241 | return -ENOMEM; | |
3242 | ||
3243 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); | |
3244 | if (!dr) { | |
3245 | usb_free_urb(urb); | |
3246 | return -ENOMEM; | |
3247 | } | |
3248 | ||
3249 | dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN; | |
3250 | dr->bRequest = 1; | |
3251 | dr->wIndex = cpu_to_le16(0); | |
3252 | dr->wValue = cpu_to_le16(48); | |
3253 | dr->wLength = cpu_to_le16(size); | |
3254 | ||
3255 | buf = kmalloc(size, GFP_KERNEL); | |
3256 | if (!buf) { | |
3257 | kfree(dr); | |
d33fe77b | 3258 | usb_free_urb(urb); |
a1c49c43 SW |
3259 | return -ENOMEM; |
3260 | } | |
3261 | ||
3262 | pipe = usb_rcvctrlpipe(data->udev, 0); | |
3263 | ||
3264 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, | |
3265 | buf, size, btusb_mtk_wmt_recv, hdev); | |
3266 | ||
3267 | urb->transfer_flags |= URB_FREE_BUFFER; | |
3268 | ||
3269 | usb_anchor_urb(urb, &data->ctrl_anchor); | |
3270 | err = usb_submit_urb(urb, GFP_KERNEL); | |
3271 | if (err < 0) { | |
3272 | if (err != -EPERM && err != -ENODEV) | |
3273 | bt_dev_err(hdev, "urb %p submission failed (%d)", | |
3274 | urb, -err); | |
3275 | usb_unanchor_urb(urb); | |
3276 | } | |
3277 | ||
3278 | usb_free_urb(urb); | |
3279 | ||
3280 | return err; | |
3281 | } | |
3282 | ||
3283 | static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev, | |
3284 | struct btmtk_hci_wmt_params *wmt_params) | |
3285 | { | |
3286 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3287 | struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc; | |
3288 | u32 hlen, status = BTMTK_WMT_INVALID; | |
3289 | struct btmtk_hci_wmt_evt *wmt_evt; | |
10888140 | 3290 | struct btmtk_hci_wmt_cmd *wc; |
a1c49c43 SW |
3291 | struct btmtk_wmt_hdr *hdr; |
3292 | int err; | |
3293 | ||
3294 | /* Submit control IN URB on demand to process the WMT event */ | |
3295 | err = btusb_mtk_submit_wmt_recv_urb(hdev); | |
3296 | if (err < 0) | |
3297 | return err; | |
3298 | ||
3299 | /* Send the WMT command and wait until the WMT event returns */ | |
3300 | hlen = sizeof(*hdr) + wmt_params->dlen; | |
3301 | if (hlen > 255) | |
3302 | return -EINVAL; | |
3303 | ||
10888140 AB |
3304 | wc = kzalloc(hlen, GFP_KERNEL); |
3305 | if (!wc) | |
3306 | return -ENOMEM; | |
3307 | ||
3308 | hdr = &wc->hdr; | |
a1c49c43 SW |
3309 | hdr->dir = 1; |
3310 | hdr->op = wmt_params->op; | |
3311 | hdr->dlen = cpu_to_le16(wmt_params->dlen + 1); | |
3312 | hdr->flag = wmt_params->flag; | |
10888140 | 3313 | memcpy(wc->data, wmt_params->data, wmt_params->dlen); |
a1c49c43 SW |
3314 | |
3315 | set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); | |
3316 | ||
10888140 | 3317 | err = __hci_cmd_send(hdev, 0xfc6f, hlen, wc); |
a1c49c43 SW |
3318 | |
3319 | if (err < 0) { | |
3320 | clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); | |
10888140 | 3321 | goto err_free_wc; |
a1c49c43 SW |
3322 | } |
3323 | ||
3324 | /* The vendor specific WMT commands are all answered by a vendor | |
3325 | * specific event and will have the Command Status or Command | |
3326 | * Complete as with usual HCI command flow control. | |
3327 | * | |
3328 | * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT | |
3329 | * state to be cleared. The driver specific event receive routine | |
3330 | * will clear that state and with that indicate completion of the | |
3331 | * WMT command. | |
3332 | */ | |
3333 | err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT, | |
3334 | TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT); | |
3335 | if (err == -EINTR) { | |
3336 | bt_dev_err(hdev, "Execution of wmt command interrupted"); | |
3337 | clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); | |
10888140 | 3338 | goto err_free_wc; |
a1c49c43 SW |
3339 | } |
3340 | ||
3341 | if (err) { | |
3342 | bt_dev_err(hdev, "Execution of wmt command timed out"); | |
3343 | clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags); | |
10888140 AB |
3344 | err = -ETIMEDOUT; |
3345 | goto err_free_wc; | |
a1c49c43 SW |
3346 | } |
3347 | ||
3348 | /* Parse and handle the return WMT event */ | |
3349 | wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data; | |
3350 | if (wmt_evt->whdr.op != hdr->op) { | |
3351 | bt_dev_err(hdev, "Wrong op received %d expected %d", | |
3352 | wmt_evt->whdr.op, hdr->op); | |
3353 | err = -EIO; | |
3354 | goto err_free_skb; | |
3355 | } | |
3356 | ||
3357 | switch (wmt_evt->whdr.op) { | |
3358 | case BTMTK_WMT_SEMAPHORE: | |
3359 | if (wmt_evt->whdr.flag == 2) | |
3360 | status = BTMTK_WMT_PATCH_UNDONE; | |
3361 | else | |
3362 | status = BTMTK_WMT_PATCH_DONE; | |
3363 | break; | |
3364 | case BTMTK_WMT_FUNC_CTRL: | |
3365 | wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt; | |
3366 | if (be16_to_cpu(wmt_evt_funcc->status) == 0x404) | |
3367 | status = BTMTK_WMT_ON_DONE; | |
3368 | else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420) | |
3369 | status = BTMTK_WMT_ON_PROGRESS; | |
3370 | else | |
3371 | status = BTMTK_WMT_ON_UNDONE; | |
3372 | break; | |
fc342c4d MC |
3373 | case BTMTK_WMT_PATCH_DWNLD: |
3374 | if (wmt_evt->whdr.flag == 2) | |
3375 | status = BTMTK_WMT_PATCH_DONE; | |
3376 | else if (wmt_evt->whdr.flag == 1) | |
3377 | status = BTMTK_WMT_PATCH_PROGRESS; | |
3378 | else | |
3379 | status = BTMTK_WMT_PATCH_UNDONE; | |
3380 | break; | |
a1c49c43 SW |
3381 | } |
3382 | ||
3383 | if (wmt_params->status) | |
3384 | *wmt_params->status = status; | |
3385 | ||
3386 | err_free_skb: | |
3387 | kfree_skb(data->evt_skb); | |
3388 | data->evt_skb = NULL; | |
10888140 AB |
3389 | err_free_wc: |
3390 | kfree(wc); | |
a1c49c43 SW |
3391 | return err; |
3392 | } | |
3393 | ||
fc342c4d MC |
3394 | static int btusb_mtk_setup_firmware_79xx(struct hci_dev *hdev, const char *fwname) |
3395 | { | |
3396 | struct btmtk_hci_wmt_params wmt_params; | |
fc342c4d MC |
3397 | struct btmtk_global_desc *globaldesc = NULL; |
3398 | struct btmtk_section_map *sectionmap; | |
3399 | const struct firmware *fw; | |
3400 | const u8 *fw_ptr; | |
3401 | const u8 *fw_bin_ptr; | |
fc342c4d MC |
3402 | int err, dlen, i, status; |
3403 | u8 flag, first_block, retry; | |
3404 | u32 section_num, dl_size, section_offset; | |
3405 | u8 cmd[64]; | |
3406 | ||
3407 | err = request_firmware(&fw, fwname, &hdev->dev); | |
3408 | if (err < 0) { | |
3409 | bt_dev_err(hdev, "Failed to load firmware file (%d)", err); | |
3410 | return err; | |
3411 | } | |
3412 | ||
3413 | fw_ptr = fw->data; | |
3414 | fw_bin_ptr = fw_ptr; | |
fc342c4d | 3415 | globaldesc = (struct btmtk_global_desc *)(fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE); |
201cf397 | 3416 | section_num = le32_to_cpu(globaldesc->section_num); |
fc342c4d MC |
3417 | |
3418 | for (i = 0; i < section_num; i++) { | |
3419 | first_block = 1; | |
3420 | fw_ptr = fw_bin_ptr; | |
3421 | sectionmap = (struct btmtk_section_map *)(fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE + | |
3422 | MTK_FW_ROM_PATCH_GD_SIZE + MTK_FW_ROM_PATCH_SEC_MAP_SIZE * i); | |
3423 | ||
201cf397 | 3424 | section_offset = le32_to_cpu(sectionmap->secoffset); |
3425 | dl_size = le32_to_cpu(sectionmap->bin_info_spec.dlsize); | |
fc342c4d MC |
3426 | |
3427 | if (dl_size > 0) { | |
3428 | retry = 20; | |
3429 | while (retry > 0) { | |
3430 | cmd[0] = 0; /* 0 means legacy dl mode. */ | |
3431 | memcpy(cmd + 1, | |
3432 | fw_ptr + MTK_FW_ROM_PATCH_HEADER_SIZE + | |
3433 | MTK_FW_ROM_PATCH_GD_SIZE + MTK_FW_ROM_PATCH_SEC_MAP_SIZE * i + | |
3434 | MTK_SEC_MAP_COMMON_SIZE, | |
3435 | MTK_SEC_MAP_NEED_SEND_SIZE + 1); | |
3436 | ||
3437 | wmt_params.op = BTMTK_WMT_PATCH_DWNLD; | |
3438 | wmt_params.status = &status; | |
3439 | wmt_params.flag = 0; | |
3440 | wmt_params.dlen = MTK_SEC_MAP_NEED_SEND_SIZE + 1; | |
3441 | wmt_params.data = &cmd; | |
3442 | ||
3443 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
3444 | if (err < 0) { | |
3445 | bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)", | |
3446 | err); | |
3447 | goto err_release_fw; | |
3448 | } | |
3449 | ||
3450 | if (status == BTMTK_WMT_PATCH_UNDONE) { | |
3451 | break; | |
3452 | } else if (status == BTMTK_WMT_PATCH_PROGRESS) { | |
3453 | msleep(100); | |
3454 | retry--; | |
3455 | } else if (status == BTMTK_WMT_PATCH_DONE) { | |
3456 | goto next_section; | |
3457 | } else { | |
3458 | bt_dev_err(hdev, "Failed wmt patch dwnld status (%d)", | |
3459 | status); | |
3460 | goto err_release_fw; | |
3461 | } | |
3462 | } | |
3463 | ||
3464 | fw_ptr += section_offset; | |
3465 | wmt_params.op = BTMTK_WMT_PATCH_DWNLD; | |
3466 | wmt_params.status = NULL; | |
3467 | ||
3468 | while (dl_size > 0) { | |
3469 | dlen = min_t(int, 250, dl_size); | |
3470 | if (first_block == 1) { | |
3471 | flag = 1; | |
3472 | first_block = 0; | |
3473 | } else if (dl_size - dlen <= 0) { | |
3474 | flag = 3; | |
3475 | } else { | |
3476 | flag = 2; | |
3477 | } | |
3478 | ||
3479 | wmt_params.flag = flag; | |
3480 | wmt_params.dlen = dlen; | |
3481 | wmt_params.data = fw_ptr; | |
3482 | ||
3483 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
3484 | if (err < 0) { | |
3485 | bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)", | |
3486 | err); | |
3487 | goto err_release_fw; | |
3488 | } | |
3489 | ||
3490 | dl_size -= dlen; | |
3491 | fw_ptr += dlen; | |
3492 | } | |
3493 | } | |
3494 | next_section: | |
3495 | continue; | |
3496 | } | |
3497 | /* Wait a few moments for firmware activation done */ | |
3498 | usleep_range(100000, 120000); | |
3499 | ||
3500 | err_release_fw: | |
3501 | release_firmware(fw); | |
3502 | ||
3503 | return err; | |
3504 | } | |
3505 | ||
a1c49c43 SW |
3506 | static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname) |
3507 | { | |
3508 | struct btmtk_hci_wmt_params wmt_params; | |
3509 | const struct firmware *fw; | |
3510 | const u8 *fw_ptr; | |
3511 | size_t fw_size; | |
3512 | int err, dlen; | |
f6451257 | 3513 | u8 flag, param; |
a1c49c43 SW |
3514 | |
3515 | err = request_firmware(&fw, fwname, &hdev->dev); | |
3516 | if (err < 0) { | |
3517 | bt_dev_err(hdev, "Failed to load firmware file (%d)", err); | |
3518 | return err; | |
3519 | } | |
3520 | ||
f6451257 SW |
3521 | /* Power on data RAM the firmware relies on. */ |
3522 | param = 1; | |
3523 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; | |
3524 | wmt_params.flag = 3; | |
3525 | wmt_params.dlen = sizeof(param); | |
3526 | wmt_params.data = ¶m; | |
3527 | wmt_params.status = NULL; | |
3528 | ||
3529 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
3530 | if (err < 0) { | |
3531 | bt_dev_err(hdev, "Failed to power on data RAM (%d)", err); | |
d1e9d232 | 3532 | goto err_release_fw; |
f6451257 SW |
3533 | } |
3534 | ||
a1c49c43 SW |
3535 | fw_ptr = fw->data; |
3536 | fw_size = fw->size; | |
3537 | ||
3538 | /* The size of patch header is 30 bytes, should be skip */ | |
5ee6310f WY |
3539 | if (fw_size < 30) { |
3540 | err = -EINVAL; | |
a1c49c43 | 3541 | goto err_release_fw; |
5ee6310f | 3542 | } |
a1c49c43 SW |
3543 | |
3544 | fw_size -= 30; | |
3545 | fw_ptr += 30; | |
3546 | flag = 1; | |
3547 | ||
3548 | wmt_params.op = BTMTK_WMT_PATCH_DWNLD; | |
3549 | wmt_params.status = NULL; | |
3550 | ||
3551 | while (fw_size > 0) { | |
3552 | dlen = min_t(int, 250, fw_size); | |
3553 | ||
a297f565 | 3554 | /* Tell device the position in sequence */ |
a1c49c43 SW |
3555 | if (fw_size - dlen <= 0) |
3556 | flag = 3; | |
3557 | else if (fw_size < fw->size - 30) | |
3558 | flag = 2; | |
3559 | ||
3560 | wmt_params.flag = flag; | |
3561 | wmt_params.dlen = dlen; | |
3562 | wmt_params.data = fw_ptr; | |
3563 | ||
3564 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
3565 | if (err < 0) { | |
3566 | bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)", | |
3567 | err); | |
3568 | goto err_release_fw; | |
3569 | } | |
3570 | ||
3571 | fw_size -= dlen; | |
3572 | fw_ptr += dlen; | |
3573 | } | |
3574 | ||
3575 | wmt_params.op = BTMTK_WMT_RST; | |
3576 | wmt_params.flag = 4; | |
3577 | wmt_params.dlen = 0; | |
3578 | wmt_params.data = NULL; | |
3579 | wmt_params.status = NULL; | |
3580 | ||
3581 | /* Activate funciton the firmware providing to */ | |
3582 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
3583 | if (err < 0) { | |
3584 | bt_dev_err(hdev, "Failed to send wmt rst (%d)", err); | |
3168c19d | 3585 | goto err_release_fw; |
a1c49c43 SW |
3586 | } |
3587 | ||
3588 | /* Wait a few moments for firmware activation done */ | |
3589 | usleep_range(10000, 12000); | |
3590 | ||
3591 | err_release_fw: | |
3592 | release_firmware(fw); | |
3593 | ||
3594 | return err; | |
3595 | } | |
3596 | ||
3597 | static int btusb_mtk_func_query(struct hci_dev *hdev) | |
3598 | { | |
3599 | struct btmtk_hci_wmt_params wmt_params; | |
3600 | int status, err; | |
3601 | u8 param = 0; | |
3602 | ||
3603 | /* Query whether the function is enabled */ | |
3604 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; | |
3605 | wmt_params.flag = 4; | |
3606 | wmt_params.dlen = sizeof(param); | |
3607 | wmt_params.data = ¶m; | |
3608 | wmt_params.status = &status; | |
3609 | ||
3610 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
3611 | if (err < 0) { | |
3612 | bt_dev_err(hdev, "Failed to query function status (%d)", err); | |
3613 | return err; | |
3614 | } | |
3615 | ||
3616 | return status; | |
3617 | } | |
3618 | ||
3619 | static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val) | |
3620 | { | |
3621 | int pipe, err, size = sizeof(u32); | |
3622 | void *buf; | |
3623 | ||
3624 | buf = kzalloc(size, GFP_KERNEL); | |
3625 | if (!buf) | |
3626 | return -ENOMEM; | |
3627 | ||
3628 | pipe = usb_rcvctrlpipe(data->udev, 0); | |
3629 | err = usb_control_msg(data->udev, pipe, 0x63, | |
3630 | USB_TYPE_VENDOR | USB_DIR_IN, | |
3631 | reg >> 16, reg & 0xffff, | |
3632 | buf, size, USB_CTRL_SET_TIMEOUT); | |
3633 | if (err < 0) | |
3634 | goto err_free_buf; | |
3635 | ||
3636 | *val = get_unaligned_le32(buf); | |
3637 | ||
3638 | err_free_buf: | |
3639 | kfree(buf); | |
3640 | ||
3641 | return err; | |
3642 | } | |
3643 | ||
48c13301 | 3644 | static int btusb_mtk_id_get(struct btusb_data *data, u32 reg, u32 *id) |
a1c49c43 | 3645 | { |
48c13301 | 3646 | return btusb_mtk_reg_read(data, reg, id); |
a1c49c43 SW |
3647 | } |
3648 | ||
3649 | static int btusb_mtk_setup(struct hci_dev *hdev) | |
3650 | { | |
3651 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3652 | struct btmtk_hci_wmt_params wmt_params; | |
3653 | ktime_t calltime, delta, rettime; | |
3654 | struct btmtk_tci_sleep tci_sleep; | |
3655 | unsigned long long duration; | |
3656 | struct sk_buff *skb; | |
3657 | const char *fwname; | |
3658 | int err, status; | |
3659 | u32 dev_id; | |
fc342c4d | 3660 | char fw_bin_name[64]; |
201cf397 | 3661 | u32 fw_version = 0; |
a1c49c43 SW |
3662 | u8 param; |
3663 | ||
3664 | calltime = ktime_get(); | |
3665 | ||
48c13301 | 3666 | err = btusb_mtk_id_get(data, 0x80000008, &dev_id); |
a1c49c43 SW |
3667 | if (err < 0) { |
3668 | bt_dev_err(hdev, "Failed to get device id (%d)", err); | |
3669 | return err; | |
3670 | } | |
3671 | ||
fc342c4d MC |
3672 | if (!dev_id) { |
3673 | err = btusb_mtk_id_get(data, 0x70010200, &dev_id); | |
3674 | if (err < 0) { | |
3675 | bt_dev_err(hdev, "Failed to get device id (%d)", err); | |
3676 | return err; | |
3677 | } | |
3678 | err = btusb_mtk_id_get(data, 0x80021004, &fw_version); | |
3679 | if (err < 0) { | |
3680 | bt_dev_err(hdev, "Failed to get fw version (%d)", err); | |
3681 | return err; | |
3682 | } | |
3683 | } | |
3684 | ||
a1c49c43 | 3685 | switch (dev_id) { |
9ce67c32 SW |
3686 | case 0x7663: |
3687 | fwname = FIRMWARE_MT7663; | |
3688 | break; | |
a1c49c43 SW |
3689 | case 0x7668: |
3690 | fwname = FIRMWARE_MT7668; | |
3691 | break; | |
fc342c4d MC |
3692 | case 0x7961: |
3693 | snprintf(fw_bin_name, sizeof(fw_bin_name), | |
3694 | "mediatek/BT_RAM_CODE_MT%04x_1_%x_hdr.bin", | |
3695 | dev_id & 0xffff, (fw_version & 0xff) + 1); | |
3696 | err = btusb_mtk_setup_firmware_79xx(hdev, fw_bin_name); | |
3697 | ||
3698 | /* Enable Bluetooth protocol */ | |
3699 | param = 1; | |
3700 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; | |
3701 | wmt_params.flag = 0; | |
3702 | wmt_params.dlen = sizeof(param); | |
3703 | wmt_params.data = ¶m; | |
3704 | wmt_params.status = NULL; | |
3705 | ||
3706 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
3707 | if (err < 0) { | |
3708 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); | |
3709 | return err; | |
3710 | } | |
3711 | goto done; | |
a1c49c43 | 3712 | default: |
a297f565 | 3713 | bt_dev_err(hdev, "Unsupported hardware variant (%08x)", |
a1c49c43 SW |
3714 | dev_id); |
3715 | return -ENODEV; | |
3716 | } | |
3717 | ||
3718 | /* Query whether the firmware is already download */ | |
3719 | wmt_params.op = BTMTK_WMT_SEMAPHORE; | |
3720 | wmt_params.flag = 1; | |
3721 | wmt_params.dlen = 0; | |
3722 | wmt_params.data = NULL; | |
3723 | wmt_params.status = &status; | |
3724 | ||
3725 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
3726 | if (err < 0) { | |
3727 | bt_dev_err(hdev, "Failed to query firmware status (%d)", err); | |
3728 | return err; | |
3729 | } | |
3730 | ||
3731 | if (status == BTMTK_WMT_PATCH_DONE) { | |
3732 | bt_dev_info(hdev, "firmware already downloaded"); | |
3733 | goto ignore_setup_fw; | |
3734 | } | |
3735 | ||
3736 | /* Setup a firmware which the device definitely requires */ | |
3737 | err = btusb_mtk_setup_firmware(hdev, fwname); | |
3738 | if (err < 0) | |
3739 | return err; | |
3740 | ||
3741 | ignore_setup_fw: | |
3742 | err = readx_poll_timeout(btusb_mtk_func_query, hdev, status, | |
3743 | status < 0 || status != BTMTK_WMT_ON_PROGRESS, | |
3744 | 2000, 5000000); | |
3745 | /* -ETIMEDOUT happens */ | |
3746 | if (err < 0) | |
3747 | return err; | |
3748 | ||
3749 | /* The other errors happen in btusb_mtk_func_query */ | |
3750 | if (status < 0) | |
3751 | return status; | |
3752 | ||
3753 | if (status == BTMTK_WMT_ON_DONE) { | |
3754 | bt_dev_info(hdev, "function already on"); | |
3755 | goto ignore_func_on; | |
3756 | } | |
3757 | ||
3758 | /* Enable Bluetooth protocol */ | |
3759 | param = 1; | |
3760 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; | |
3761 | wmt_params.flag = 0; | |
3762 | wmt_params.dlen = sizeof(param); | |
3763 | wmt_params.data = ¶m; | |
3764 | wmt_params.status = NULL; | |
3765 | ||
3766 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
3767 | if (err < 0) { | |
3768 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); | |
3769 | return err; | |
3770 | } | |
3771 | ||
3772 | ignore_func_on: | |
3773 | /* Apply the low power environment setup */ | |
3774 | tci_sleep.mode = 0x5; | |
3775 | tci_sleep.duration = cpu_to_le16(0x640); | |
3776 | tci_sleep.host_duration = cpu_to_le16(0x640); | |
3777 | tci_sleep.host_wakeup_pin = 0; | |
3778 | tci_sleep.time_compensation = 0; | |
3779 | ||
3780 | skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep, | |
3781 | HCI_INIT_TIMEOUT); | |
3782 | if (IS_ERR(skb)) { | |
3783 | err = PTR_ERR(skb); | |
3784 | bt_dev_err(hdev, "Failed to apply low power setting (%d)", err); | |
3785 | return err; | |
3786 | } | |
3787 | kfree_skb(skb); | |
3788 | ||
fc342c4d | 3789 | done: |
a1c49c43 SW |
3790 | rettime = ktime_get(); |
3791 | delta = ktime_sub(rettime, calltime); | |
3792 | duration = (unsigned long long)ktime_to_ns(delta) >> 10; | |
3793 | ||
3794 | bt_dev_info(hdev, "Device setup in %llu usecs", duration); | |
3795 | ||
3796 | return 0; | |
3797 | } | |
3798 | ||
3799 | static int btusb_mtk_shutdown(struct hci_dev *hdev) | |
3800 | { | |
3801 | struct btmtk_hci_wmt_params wmt_params; | |
3802 | u8 param = 0; | |
3803 | int err; | |
3804 | ||
3805 | /* Disable the device */ | |
3806 | wmt_params.op = BTMTK_WMT_FUNC_CTRL; | |
3807 | wmt_params.flag = 0; | |
3808 | wmt_params.dlen = sizeof(param); | |
3809 | wmt_params.data = ¶m; | |
3810 | wmt_params.status = NULL; | |
3811 | ||
3812 | err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params); | |
3813 | if (err < 0) { | |
3814 | bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err); | |
3815 | return err; | |
3816 | } | |
3817 | ||
3818 | return 0; | |
3819 | } | |
3820 | ||
9ce67c32 | 3821 | MODULE_FIRMWARE(FIRMWARE_MT7663); |
a1c49c43 | 3822 | MODULE_FIRMWARE(FIRMWARE_MT7668); |
a1c49c43 | 3823 | |
a4ccc9e3 RJ |
3824 | #ifdef CONFIG_PM |
3825 | /* Configure an out-of-band gpio as wake-up pin, if specified in device tree */ | |
3826 | static int marvell_config_oob_wake(struct hci_dev *hdev) | |
3827 | { | |
3828 | struct sk_buff *skb; | |
3829 | struct btusb_data *data = hci_get_drvdata(hdev); | |
3830 | struct device *dev = &data->udev->dev; | |
3831 | u16 pin, gap, opcode; | |
3832 | int ret; | |
3833 | u8 cmd[5]; | |
3834 | ||
3835 | /* Move on if no wakeup pin specified */ | |
3836 | if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) || | |
3837 | of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap)) | |
3838 | return 0; | |
3839 | ||
3840 | /* Vendor specific command to configure a GPIO as wake-up pin */ | |
3841 | opcode = hci_opcode_pack(0x3F, 0x59); | |
3842 | cmd[0] = opcode & 0xFF; | |
3843 | cmd[1] = opcode >> 8; | |
3844 | cmd[2] = 2; /* length of parameters that follow */ | |
3845 | cmd[3] = pin; | |
3846 | cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */ | |
3847 | ||
3848 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
3849 | if (!skb) { | |
d84fc2c9 | 3850 | bt_dev_err(hdev, "%s: No memory", __func__); |
a4ccc9e3 RJ |
3851 | return -ENOMEM; |
3852 | } | |
3853 | ||
59ae1d12 | 3854 | skb_put_data(skb, cmd, sizeof(cmd)); |
a4ccc9e3 RJ |
3855 | hci_skb_pkt_type(skb) = HCI_COMMAND_PKT; |
3856 | ||
3857 | ret = btusb_send_frame(hdev, skb); | |
3858 | if (ret) { | |
d84fc2c9 | 3859 | bt_dev_err(hdev, "%s: configuration failed", __func__); |
a4ccc9e3 RJ |
3860 | kfree_skb(skb); |
3861 | return ret; | |
3862 | } | |
3863 | ||
3864 | return 0; | |
3865 | } | |
3866 | #endif | |
3867 | ||
ae8df494 AK |
3868 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
3869 | const bdaddr_t *bdaddr) | |
3870 | { | |
3871 | struct sk_buff *skb; | |
3872 | u8 buf[8]; | |
3873 | long ret; | |
3874 | ||
3875 | buf[0] = 0xfe; | |
3876 | buf[1] = sizeof(bdaddr_t); | |
3877 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
3878 | ||
3879 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
3880 | if (IS_ERR(skb)) { | |
3881 | ret = PTR_ERR(skb); | |
2064ee33 MH |
3882 | bt_dev_err(hdev, "changing Marvell device address failed (%ld)", |
3883 | ret); | |
ae8df494 AK |
3884 | return ret; |
3885 | } | |
3886 | kfree_skb(skb); | |
3887 | ||
3888 | return 0; | |
3889 | } | |
3890 | ||
5859223e TK |
3891 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
3892 | const bdaddr_t *bdaddr) | |
3893 | { | |
3894 | struct sk_buff *skb; | |
3895 | u8 buf[10]; | |
3896 | long ret; | |
3897 | ||
3898 | buf[0] = 0x01; | |
3899 | buf[1] = 0x01; | |
3900 | buf[2] = 0x00; | |
3901 | buf[3] = sizeof(bdaddr_t); | |
3902 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
3903 | ||
3904 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
3905 | if (IS_ERR(skb)) { | |
3906 | ret = PTR_ERR(skb); | |
2064ee33 | 3907 | bt_dev_err(hdev, "Change address command failed (%ld)", ret); |
5859223e TK |
3908 | return ret; |
3909 | } | |
3910 | kfree_skb(skb); | |
3911 | ||
3912 | return 0; | |
3913 | } | |
3914 | ||
b40f58b9 RL |
3915 | static int btusb_set_bdaddr_wcn6855(struct hci_dev *hdev, |
3916 | const bdaddr_t *bdaddr) | |
3917 | { | |
3918 | struct sk_buff *skb; | |
3919 | u8 buf[6]; | |
3920 | long ret; | |
3921 | ||
3922 | memcpy(buf, bdaddr, sizeof(bdaddr_t)); | |
3923 | ||
3924 | skb = __hci_cmd_sync_ev(hdev, 0xfc14, sizeof(buf), buf, | |
3925 | HCI_EV_CMD_COMPLETE, HCI_INIT_TIMEOUT); | |
3926 | if (IS_ERR(skb)) { | |
3927 | ret = PTR_ERR(skb); | |
3928 | bt_dev_err(hdev, "Change address command failed (%ld)", ret); | |
3929 | return ret; | |
3930 | } | |
3931 | kfree_skb(skb); | |
3932 | ||
3933 | return 0; | |
3934 | } | |
3935 | ||
3267c884 KBYT |
3936 | #define QCA_DFU_PACKET_LEN 4096 |
3937 | ||
3938 | #define QCA_GET_TARGET_VERSION 0x09 | |
3939 | #define QCA_CHECK_STATUS 0x05 | |
3940 | #define QCA_DFU_DOWNLOAD 0x01 | |
3941 | ||
3942 | #define QCA_SYSCFG_UPDATED 0x40 | |
3943 | #define QCA_PATCH_UPDATED 0x80 | |
3944 | #define QCA_DFU_TIMEOUT 3000 | |
ef2862a1 | 3945 | #define QCA_FLAG_MULTI_NVM 0x80 |
3267c884 KBYT |
3946 | |
3947 | struct qca_version { | |
3948 | __le32 rom_version; | |
3949 | __le32 patch_version; | |
3950 | __le32 ram_version; | |
ef2862a1 TJ |
3951 | __le16 board_id; |
3952 | __le16 flag; | |
3267c884 KBYT |
3953 | __u8 reserved[4]; |
3954 | } __packed; | |
3955 | ||
3956 | struct qca_rampatch_version { | |
b40f58b9 RL |
3957 | __le16 rom_version_high; |
3958 | __le16 rom_version_low; | |
3267c884 KBYT |
3959 | __le16 patch_version; |
3960 | } __packed; | |
3961 | ||
3962 | struct qca_device_info { | |
bf906b3d KBYT |
3963 | u32 rom_version; |
3964 | u8 rampatch_hdr; /* length of header in rampatch */ | |
3965 | u8 nvm_hdr; /* length of header in NVM */ | |
3966 | u8 ver_offset; /* offset of version structure in rampatch */ | |
3267c884 KBYT |
3967 | }; |
3968 | ||
3969 | static const struct qca_device_info qca_devices_table[] = { | |
b40f58b9 RL |
3970 | { 0x00000100, 20, 4, 8 }, /* Rome 1.0 */ |
3971 | { 0x00000101, 20, 4, 8 }, /* Rome 1.1 */ | |
3972 | { 0x00000200, 28, 4, 16 }, /* Rome 2.0 */ | |
3973 | { 0x00000201, 28, 4, 16 }, /* Rome 2.1 */ | |
3974 | { 0x00000300, 28, 4, 16 }, /* Rome 3.0 */ | |
3975 | { 0x00000302, 28, 4, 16 }, /* Rome 3.2 */ | |
3976 | { 0x00130100, 40, 4, 16 }, /* WCN6855 1.0 */ | |
3977 | { 0x00130200, 40, 4, 16 }, /* WCN6855 2.0 */ | |
3267c884 KBYT |
3978 | }; |
3979 | ||
803cdb8c | 3980 | static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request, |
3267c884 KBYT |
3981 | void *data, u16 size) |
3982 | { | |
3267c884 KBYT |
3983 | int pipe, err; |
3984 | u8 *buf; | |
3985 | ||
3986 | buf = kmalloc(size, GFP_KERNEL); | |
3987 | if (!buf) | |
3988 | return -ENOMEM; | |
3989 | ||
3990 | /* Found some of USB hosts have IOT issues with ours so that we should | |
3991 | * not wait until HCI layer is ready. | |
3992 | */ | |
3993 | pipe = usb_rcvctrlpipe(udev, 0); | |
3994 | err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN, | |
3995 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
3996 | if (err < 0) { | |
803cdb8c | 3997 | dev_err(&udev->dev, "Failed to access otp area (%d)", err); |
3267c884 KBYT |
3998 | goto done; |
3999 | } | |
4000 | ||
4001 | memcpy(data, buf, size); | |
4002 | ||
4003 | done: | |
4004 | kfree(buf); | |
4005 | ||
4006 | return err; | |
4007 | } | |
4008 | ||
4009 | static int btusb_setup_qca_download_fw(struct hci_dev *hdev, | |
4010 | const struct firmware *firmware, | |
4011 | size_t hdr_size) | |
4012 | { | |
4013 | struct btusb_data *btdata = hci_get_drvdata(hdev); | |
4014 | struct usb_device *udev = btdata->udev; | |
4015 | size_t count, size, sent = 0; | |
4016 | int pipe, len, err; | |
4017 | u8 *buf; | |
4018 | ||
4019 | buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL); | |
4020 | if (!buf) | |
4021 | return -ENOMEM; | |
4022 | ||
4023 | count = firmware->size; | |
4024 | ||
4025 | size = min_t(size_t, count, hdr_size); | |
4026 | memcpy(buf, firmware->data, size); | |
4027 | ||
4028 | /* USB patches should go down to controller through USB path | |
4029 | * because binary format fits to go down through USB channel. | |
4030 | * USB control path is for patching headers and USB bulk is for | |
4031 | * patch body. | |
4032 | */ | |
4033 | pipe = usb_sndctrlpipe(udev, 0); | |
4034 | err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR, | |
4035 | 0, 0, buf, size, USB_CTRL_SET_TIMEOUT); | |
4036 | if (err < 0) { | |
2064ee33 | 4037 | bt_dev_err(hdev, "Failed to send headers (%d)", err); |
3267c884 KBYT |
4038 | goto done; |
4039 | } | |
4040 | ||
4041 | sent += size; | |
4042 | count -= size; | |
4043 | ||
4044 | while (count) { | |
4045 | size = min_t(size_t, count, QCA_DFU_PACKET_LEN); | |
4046 | ||
4047 | memcpy(buf, firmware->data + sent, size); | |
4048 | ||
4049 | pipe = usb_sndbulkpipe(udev, 0x02); | |
4050 | err = usb_bulk_msg(udev, pipe, buf, size, &len, | |
4051 | QCA_DFU_TIMEOUT); | |
4052 | if (err < 0) { | |
2064ee33 MH |
4053 | bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)", |
4054 | sent, firmware->size, err); | |
3267c884 KBYT |
4055 | break; |
4056 | } | |
4057 | ||
4058 | if (size != len) { | |
2064ee33 | 4059 | bt_dev_err(hdev, "Failed to get bulk buffer"); |
3267c884 KBYT |
4060 | err = -EILSEQ; |
4061 | break; | |
4062 | } | |
4063 | ||
4064 | sent += size; | |
4065 | count -= size; | |
4066 | } | |
4067 | ||
4068 | done: | |
4069 | kfree(buf); | |
4070 | return err; | |
4071 | } | |
4072 | ||
4073 | static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev, | |
4074 | struct qca_version *ver, | |
4075 | const struct qca_device_info *info) | |
4076 | { | |
4077 | struct qca_rampatch_version *rver; | |
4078 | const struct firmware *fw; | |
b40f58b9 RL |
4079 | u32 ver_rom, ver_patch, rver_rom; |
4080 | u16 rver_rom_low, rver_rom_high, rver_patch; | |
3267c884 KBYT |
4081 | char fwname[64]; |
4082 | int err; | |
4083 | ||
bf906b3d KBYT |
4084 | ver_rom = le32_to_cpu(ver->rom_version); |
4085 | ver_patch = le32_to_cpu(ver->patch_version); | |
4086 | ||
4087 | snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom); | |
3267c884 KBYT |
4088 | |
4089 | err = request_firmware(&fw, fwname, &hdev->dev); | |
4090 | if (err) { | |
2064ee33 MH |
4091 | bt_dev_err(hdev, "failed to request rampatch file: %s (%d)", |
4092 | fwname, err); | |
3267c884 KBYT |
4093 | return err; |
4094 | } | |
4095 | ||
2064ee33 | 4096 | bt_dev_info(hdev, "using rampatch file: %s", fwname); |
bf906b3d | 4097 | |
3267c884 | 4098 | rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset); |
b40f58b9 | 4099 | rver_rom_low = le16_to_cpu(rver->rom_version_low); |
bf906b3d KBYT |
4100 | rver_patch = le16_to_cpu(rver->patch_version); |
4101 | ||
b40f58b9 RL |
4102 | if (ver_rom & ~0xffffU) { |
4103 | rver_rom_high = le16_to_cpu(rver->rom_version_high); | |
4104 | rver_rom = le32_to_cpu(rver_rom_high << 16 | rver_rom_low); | |
4105 | } else { | |
4106 | rver_rom = rver_rom_low; | |
4107 | } | |
4108 | ||
2064ee33 MH |
4109 | bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, " |
4110 | "firmware rome 0x%x build 0x%x", | |
4111 | rver_rom, rver_patch, ver_rom, ver_patch); | |
3267c884 | 4112 | |
bf906b3d | 4113 | if (rver_rom != ver_rom || rver_patch <= ver_patch) { |
2064ee33 | 4114 | bt_dev_err(hdev, "rampatch file version did not match with firmware"); |
3267c884 KBYT |
4115 | err = -EINVAL; |
4116 | goto done; | |
4117 | } | |
4118 | ||
4119 | err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr); | |
4120 | ||
4121 | done: | |
4122 | release_firmware(fw); | |
4123 | ||
4124 | return err; | |
4125 | } | |
4126 | ||
4127 | static int btusb_setup_qca_load_nvm(struct hci_dev *hdev, | |
4128 | struct qca_version *ver, | |
4129 | const struct qca_device_info *info) | |
4130 | { | |
4131 | const struct firmware *fw; | |
4132 | char fwname[64]; | |
4133 | int err; | |
4134 | ||
ef2862a1 TJ |
4135 | if (((ver->flag >> 8) & 0xff) == QCA_FLAG_MULTI_NVM) { |
4136 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x_%04x.bin", | |
4137 | le32_to_cpu(ver->rom_version), | |
4138 | le16_to_cpu(ver->board_id)); | |
4139 | } else { | |
4140 | snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin", | |
4141 | le32_to_cpu(ver->rom_version)); | |
4142 | } | |
3267c884 KBYT |
4143 | |
4144 | err = request_firmware(&fw, fwname, &hdev->dev); | |
4145 | if (err) { | |
2064ee33 MH |
4146 | bt_dev_err(hdev, "failed to request NVM file: %s (%d)", |
4147 | fwname, err); | |
3267c884 KBYT |
4148 | return err; |
4149 | } | |
4150 | ||
2064ee33 | 4151 | bt_dev_info(hdev, "using NVM file: %s", fwname); |
3267c884 KBYT |
4152 | |
4153 | err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr); | |
4154 | ||
4155 | release_firmware(fw); | |
4156 | ||
4157 | return err; | |
4158 | } | |
4159 | ||
803cdb8c TI |
4160 | /* identify the ROM version and check whether patches are needed */ |
4161 | static bool btusb_qca_need_patch(struct usb_device *udev) | |
4162 | { | |
4163 | struct qca_version ver; | |
4164 | ||
4165 | if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, | |
4166 | sizeof(ver)) < 0) | |
4167 | return false; | |
4168 | /* only low ROM versions need patches */ | |
4169 | return !(le32_to_cpu(ver.rom_version) & ~0xffffU); | |
4170 | } | |
4171 | ||
3267c884 KBYT |
4172 | static int btusb_setup_qca(struct hci_dev *hdev) |
4173 | { | |
803cdb8c TI |
4174 | struct btusb_data *btdata = hci_get_drvdata(hdev); |
4175 | struct usb_device *udev = btdata->udev; | |
3267c884 KBYT |
4176 | const struct qca_device_info *info = NULL; |
4177 | struct qca_version ver; | |
bf906b3d | 4178 | u32 ver_rom; |
3267c884 KBYT |
4179 | u8 status; |
4180 | int i, err; | |
4181 | ||
803cdb8c | 4182 | err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, |
eb50042f | 4183 | sizeof(ver)); |
3267c884 KBYT |
4184 | if (err < 0) |
4185 | return err; | |
4186 | ||
bf906b3d | 4187 | ver_rom = le32_to_cpu(ver.rom_version); |
803cdb8c | 4188 | |
3267c884 | 4189 | for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) { |
bf906b3d | 4190 | if (ver_rom == qca_devices_table[i].rom_version) |
3267c884 KBYT |
4191 | info = &qca_devices_table[i]; |
4192 | } | |
4193 | if (!info) { | |
234f414e HW |
4194 | /* If the rom_version is not matched in the qca_devices_table |
4195 | * and the high ROM version is not zero, we assume this chip no | |
4196 | * need to load the rampatch and nvm. | |
4197 | */ | |
4198 | if (ver_rom & ~0xffffU) | |
4199 | return 0; | |
4200 | ||
2064ee33 | 4201 | bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom); |
3267c884 KBYT |
4202 | return -ENODEV; |
4203 | } | |
4204 | ||
803cdb8c | 4205 | err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status, |
3267c884 KBYT |
4206 | sizeof(status)); |
4207 | if (err < 0) | |
4208 | return err; | |
4209 | ||
4210 | if (!(status & QCA_PATCH_UPDATED)) { | |
4211 | err = btusb_setup_qca_load_rampatch(hdev, &ver, info); | |
4212 | if (err < 0) | |
4213 | return err; | |
4214 | } | |
4215 | ||
ef2862a1 TJ |
4216 | err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver, |
4217 | sizeof(ver)); | |
4218 | if (err < 0) | |
4219 | return err; | |
4220 | ||
3267c884 KBYT |
4221 | if (!(status & QCA_SYSCFG_UPDATED)) { |
4222 | err = btusb_setup_qca_load_nvm(hdev, &ver, info); | |
4223 | if (err < 0) | |
4224 | return err; | |
4225 | } | |
4226 | ||
4227 | return 0; | |
4228 | } | |
4229 | ||
9d08f504 MH |
4230 | static inline int __set_diag_interface(struct hci_dev *hdev) |
4231 | { | |
4232 | struct btusb_data *data = hci_get_drvdata(hdev); | |
4233 | struct usb_interface *intf = data->diag; | |
4234 | int i; | |
4235 | ||
4236 | if (!data->diag) | |
4237 | return -ENODEV; | |
4238 | ||
4239 | data->diag_tx_ep = NULL; | |
4240 | data->diag_rx_ep = NULL; | |
4241 | ||
4242 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
4243 | struct usb_endpoint_descriptor *ep_desc; | |
4244 | ||
4245 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
4246 | ||
4247 | if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
4248 | data->diag_tx_ep = ep_desc; | |
4249 | continue; | |
4250 | } | |
4251 | ||
4252 | if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
4253 | data->diag_rx_ep = ep_desc; | |
4254 | continue; | |
4255 | } | |
4256 | } | |
4257 | ||
4258 | if (!data->diag_tx_ep || !data->diag_rx_ep) { | |
2064ee33 | 4259 | bt_dev_err(hdev, "invalid diagnostic descriptors"); |
9d08f504 MH |
4260 | return -ENODEV; |
4261 | } | |
4262 | ||
4263 | return 0; | |
4264 | } | |
4265 | ||
4266 | static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable) | |
4267 | { | |
4268 | struct btusb_data *data = hci_get_drvdata(hdev); | |
4269 | struct sk_buff *skb; | |
4270 | struct urb *urb; | |
4271 | unsigned int pipe; | |
4272 | ||
4273 | if (!data->diag_tx_ep) | |
4274 | return ERR_PTR(-ENODEV); | |
4275 | ||
4276 | urb = usb_alloc_urb(0, GFP_KERNEL); | |
4277 | if (!urb) | |
4278 | return ERR_PTR(-ENOMEM); | |
4279 | ||
4280 | skb = bt_skb_alloc(2, GFP_KERNEL); | |
4281 | if (!skb) { | |
4282 | usb_free_urb(urb); | |
4283 | return ERR_PTR(-ENOMEM); | |
4284 | } | |
4285 | ||
634fef61 JB |
4286 | skb_put_u8(skb, 0xf0); |
4287 | skb_put_u8(skb, enable); | |
9d08f504 MH |
4288 | |
4289 | pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress); | |
4290 | ||
4291 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
4292 | skb->data, skb->len, btusb_tx_complete, skb); | |
4293 | ||
4294 | skb->dev = (void *)hdev; | |
4295 | ||
4296 | return urb; | |
4297 | } | |
4298 | ||
4299 | static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable) | |
4300 | { | |
4301 | struct btusb_data *data = hci_get_drvdata(hdev); | |
4302 | struct urb *urb; | |
4303 | ||
4304 | if (!data->diag) | |
4305 | return -ENODEV; | |
4306 | ||
4307 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
4308 | return -ENETDOWN; | |
4309 | ||
4310 | urb = alloc_diag_urb(hdev, enable); | |
4311 | if (IS_ERR(urb)) | |
4312 | return PTR_ERR(urb); | |
4313 | ||
4314 | return submit_or_queue_tx_urb(hdev, urb); | |
4315 | } | |
9d08f504 | 4316 | |
fd913ef7 RJ |
4317 | #ifdef CONFIG_PM |
4318 | static irqreturn_t btusb_oob_wake_handler(int irq, void *priv) | |
4319 | { | |
4320 | struct btusb_data *data = priv; | |
4321 | ||
4322 | pm_wakeup_event(&data->udev->dev, 0); | |
017789f3 | 4323 | pm_system_wakeup(); |
fd913ef7 RJ |
4324 | |
4325 | /* Disable only if not already disabled (keep it balanced) */ | |
4326 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
4327 | disable_irq_nosync(irq); | |
4328 | disable_irq_wake(irq); | |
4329 | } | |
4330 | return IRQ_HANDLED; | |
4331 | } | |
4332 | ||
4333 | static const struct of_device_id btusb_match_table[] = { | |
4334 | { .compatible = "usb1286,204e" }, | |
4c409af0 BN |
4335 | { .compatible = "usbcf3,e300" }, /* QCA6174A */ |
4336 | { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */ | |
fd913ef7 RJ |
4337 | { } |
4338 | }; | |
4339 | MODULE_DEVICE_TABLE(of, btusb_match_table); | |
4340 | ||
4341 | /* Use an oob wakeup pin? */ | |
4342 | static int btusb_config_oob_wake(struct hci_dev *hdev) | |
4343 | { | |
4344 | struct btusb_data *data = hci_get_drvdata(hdev); | |
4345 | struct device *dev = &data->udev->dev; | |
4346 | int irq, ret; | |
4347 | ||
4348 | clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
4349 | ||
4350 | if (!of_match_device(btusb_match_table, dev)) | |
4351 | return 0; | |
4352 | ||
4353 | /* Move on if no IRQ specified */ | |
4354 | irq = of_irq_get_byname(dev->of_node, "wakeup"); | |
4355 | if (irq <= 0) { | |
4356 | bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__); | |
4357 | return 0; | |
4358 | } | |
4359 | ||
771acc7e | 4360 | irq_set_status_flags(irq, IRQ_NOAUTOEN); |
fd913ef7 RJ |
4361 | ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler, |
4362 | 0, "OOB Wake-on-BT", data); | |
4363 | if (ret) { | |
4364 | bt_dev_err(hdev, "%s: IRQ request failed", __func__); | |
4365 | return ret; | |
4366 | } | |
4367 | ||
4368 | ret = device_init_wakeup(dev, true); | |
4369 | if (ret) { | |
4370 | bt_dev_err(hdev, "%s: failed to init_wakeup", __func__); | |
4371 | return ret; | |
4372 | } | |
4373 | ||
4374 | data->oob_wake_irq = irq; | |
fd913ef7 RJ |
4375 | bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq); |
4376 | return 0; | |
4377 | } | |
4378 | #endif | |
4379 | ||
fc549102 HG |
4380 | static void btusb_check_needs_reset_resume(struct usb_interface *intf) |
4381 | { | |
4382 | if (dmi_check_system(btusb_needs_reset_resume_table)) | |
4383 | interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME; | |
4384 | } | |
4385 | ||
b7d0bf11 APS |
4386 | static bool btusb_prevent_wake(struct hci_dev *hdev) |
4387 | { | |
4388 | struct btusb_data *data = hci_get_drvdata(hdev); | |
4389 | ||
34a68655 APS |
4390 | if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) |
4391 | return true; | |
4392 | ||
b7d0bf11 APS |
4393 | return !device_may_wakeup(&data->udev->dev); |
4394 | } | |
4395 | ||
3b0d5250 TJ |
4396 | static int btusb_shutdown_qca(struct hci_dev *hdev) |
4397 | { | |
4398 | struct sk_buff *skb; | |
4399 | ||
4400 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
4401 | if (IS_ERR(skb)) { | |
4402 | bt_dev_err(hdev, "HCI reset during shutdown failed"); | |
4403 | return PTR_ERR(skb); | |
4404 | } | |
4405 | kfree_skb(skb); | |
4406 | ||
4407 | return 0; | |
4408 | } | |
4409 | ||
5e23b923 | 4410 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 4411 | const struct usb_device_id *id) |
5e23b923 MH |
4412 | { |
4413 | struct usb_endpoint_descriptor *ep_desc; | |
dc786b2c | 4414 | struct gpio_desc *reset_gpio; |
5e23b923 MH |
4415 | struct btusb_data *data; |
4416 | struct hci_dev *hdev; | |
22f8e9db | 4417 | unsigned ifnum_base; |
5e23b923 MH |
4418 | int i, err; |
4419 | ||
4420 | BT_DBG("intf %p id %p", intf, id); | |
4421 | ||
cfeb4145 | 4422 | /* interface numbers are hardcoded in the spec */ |
22f8e9db MH |
4423 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) { |
4424 | if (!(id->driver_info & BTUSB_IFNUM_2)) | |
4425 | return -ENODEV; | |
4426 | if (intf->cur_altsetting->desc.bInterfaceNumber != 2) | |
4427 | return -ENODEV; | |
4428 | } | |
4429 | ||
4430 | ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber; | |
5e23b923 MH |
4431 | |
4432 | if (!id->driver_info) { | |
4433 | const struct usb_device_id *match; | |
89e7533d | 4434 | |
5e23b923 MH |
4435 | match = usb_match_id(intf, blacklist_table); |
4436 | if (match) | |
4437 | id = match; | |
4438 | } | |
4439 | ||
cfeb4145 MH |
4440 | if (id->driver_info == BTUSB_IGNORE) |
4441 | return -ENODEV; | |
4442 | ||
2d25f8b4 SL |
4443 | if (id->driver_info & BTUSB_ATH3012) { |
4444 | struct usb_device *udev = interface_to_usbdev(intf); | |
4445 | ||
4446 | /* Old firmware would otherwise let ath3k driver load | |
d98422cb DR |
4447 | * patch and sysconfig files |
4448 | */ | |
803cdb8c TI |
4449 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 && |
4450 | !btusb_qca_need_patch(udev)) | |
2d25f8b4 SL |
4451 | return -ENODEV; |
4452 | } | |
4453 | ||
98921dbd | 4454 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
4455 | if (!data) |
4456 | return -ENOMEM; | |
4457 | ||
4458 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
4459 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
4460 | ||
4461 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
4462 | data->intr_ep = ep_desc; | |
4463 | continue; | |
4464 | } | |
4465 | ||
4466 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
4467 | data->bulk_tx_ep = ep_desc; | |
4468 | continue; | |
4469 | } | |
4470 | ||
4471 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
4472 | data->bulk_rx_ep = ep_desc; | |
4473 | continue; | |
4474 | } | |
4475 | } | |
4476 | ||
98921dbd | 4477 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 4478 | return -ENODEV; |
5e23b923 | 4479 | |
893ba544 MH |
4480 | if (id->driver_info & BTUSB_AMP) { |
4481 | data->cmdreq_type = USB_TYPE_CLASS | 0x01; | |
4482 | data->cmdreq = 0x2b; | |
4483 | } else { | |
4484 | data->cmdreq_type = USB_TYPE_CLASS; | |
4485 | data->cmdreq = 0x00; | |
4486 | } | |
7a9d4020 | 4487 | |
5e23b923 | 4488 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 4489 | data->intf = intf; |
5e23b923 | 4490 | |
5e23b923 | 4491 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 4492 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
4493 | init_usb_anchor(&data->deferred); |
4494 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 4495 | spin_lock_init(&data->txlock); |
5e23b923 | 4496 | |
5e23b923 MH |
4497 | init_usb_anchor(&data->intr_anchor); |
4498 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 4499 | init_usb_anchor(&data->isoc_anchor); |
9d08f504 | 4500 | init_usb_anchor(&data->diag_anchor); |
a1c49c43 | 4501 | init_usb_anchor(&data->ctrl_anchor); |
803b5836 | 4502 | spin_lock_init(&data->rxlock); |
5e23b923 | 4503 | |
cda0dd78 MH |
4504 | if (id->driver_info & BTUSB_INTEL_NEW) { |
4505 | data->recv_event = btusb_recv_event_intel; | |
4506 | data->recv_bulk = btusb_recv_bulk_intel; | |
4507 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
4508 | } else { | |
4509 | data->recv_event = hci_recv_frame; | |
4510 | data->recv_bulk = btusb_recv_bulk; | |
4511 | } | |
2cbd3f5c | 4512 | |
5e23b923 | 4513 | hdev = hci_alloc_dev(); |
98921dbd | 4514 | if (!hdev) |
5e23b923 | 4515 | return -ENOMEM; |
5e23b923 | 4516 | |
c13854ce | 4517 | hdev->bus = HCI_USB; |
155961e8 | 4518 | hci_set_drvdata(hdev, data); |
5e23b923 | 4519 | |
893ba544 MH |
4520 | if (id->driver_info & BTUSB_AMP) |
4521 | hdev->dev_type = HCI_AMP; | |
4522 | else | |
ca8bee5d | 4523 | hdev->dev_type = HCI_PRIMARY; |
893ba544 | 4524 | |
5e23b923 MH |
4525 | data->hdev = hdev; |
4526 | ||
4527 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
4528 | ||
dc786b2c RJ |
4529 | reset_gpio = gpiod_get_optional(&data->udev->dev, "reset", |
4530 | GPIOD_OUT_LOW); | |
4531 | if (IS_ERR(reset_gpio)) { | |
4532 | err = PTR_ERR(reset_gpio); | |
4533 | goto out_free_dev; | |
4534 | } else if (reset_gpio) { | |
4535 | data->reset_gpio = reset_gpio; | |
4536 | } | |
4537 | ||
9f8f962c MH |
4538 | hdev->open = btusb_open; |
4539 | hdev->close = btusb_close; | |
4540 | hdev->flush = btusb_flush; | |
4541 | hdev->send = btusb_send_frame; | |
4542 | hdev->notify = btusb_notify; | |
b7d0bf11 | 4543 | hdev->prevent_wake = btusb_prevent_wake; |
9f8f962c | 4544 | |
fd913ef7 RJ |
4545 | #ifdef CONFIG_PM |
4546 | err = btusb_config_oob_wake(hdev); | |
4547 | if (err) | |
4548 | goto out_free_dev; | |
a4ccc9e3 RJ |
4549 | |
4550 | /* Marvell devices may need a specific chip configuration */ | |
4551 | if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) { | |
4552 | err = marvell_config_oob_wake(hdev); | |
4553 | if (err) | |
4554 | goto out_free_dev; | |
4555 | } | |
fd913ef7 | 4556 | #endif |
418678b0 SJ |
4557 | if (id->driver_info & BTUSB_CW6622) |
4558 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
4559 | ||
6c9d435d MH |
4560 | if (id->driver_info & BTUSB_BCM2045) |
4561 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks); | |
4562 | ||
9f8f962c MH |
4563 | if (id->driver_info & BTUSB_BCM92035) |
4564 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 4565 | |
c0a21a52 MH |
4566 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && |
4567 | (id->driver_info & BTUSB_BCM_PATCHRAM)) { | |
49a5f782 | 4568 | hdev->manufacturer = 15; |
c2bfb100 | 4569 | hdev->setup = btbcm_setup_patchram; |
9d08f504 | 4570 | hdev->set_diag = btusb_bcm_set_diag; |
1df1f591 | 4571 | hdev->set_bdaddr = btbcm_set_bdaddr; |
9d08f504 MH |
4572 | |
4573 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
22f8e9db | 4574 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); |
abbaf50e | 4575 | } |
10d4c673 | 4576 | |
c0a21a52 MH |
4577 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && |
4578 | (id->driver_info & BTUSB_BCM_APPLE)) { | |
49a5f782 | 4579 | hdev->manufacturer = 15; |
c2bfb100 | 4580 | hdev->setup = btbcm_setup_apple; |
9d08f504 MH |
4581 | hdev->set_diag = btusb_bcm_set_diag; |
4582 | ||
4583 | /* Broadcom LM_DIAG Interface numbers are hardcoded */ | |
22f8e9db | 4584 | data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2); |
9d08f504 | 4585 | } |
17b2772b | 4586 | |
cb8d6597 | 4587 | if (id->driver_info & BTUSB_INTEL) { |
49a5f782 | 4588 | hdev->manufacturer = 2; |
dffd30ee | 4589 | hdev->setup = btusb_setup_intel; |
bfbd45e9 | 4590 | hdev->shutdown = btusb_shutdown_intel; |
3e24767b | 4591 | hdev->set_diag = btintel_set_diag_mfg; |
4185a0f5 | 4592 | hdev->set_bdaddr = btintel_set_bdaddr; |
dc786b2c | 4593 | hdev->cmd_timeout = btusb_intel_cmd_timeout; |
c33fb9b4 | 4594 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
c1154842 | 4595 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
3e24767b | 4596 | set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); |
cb8d6597 | 4597 | } |
dffd30ee | 4598 | |
cda0dd78 | 4599 | if (id->driver_info & BTUSB_INTEL_NEW) { |
49a5f782 | 4600 | hdev->manufacturer = 2; |
cda0dd78 MH |
4601 | hdev->send = btusb_send_frame_intel; |
4602 | hdev->setup = btusb_setup_intel_new; | |
017a01cc | 4603 | hdev->shutdown = btusb_shutdown_intel_new; |
eeb6abe9 | 4604 | hdev->hw_error = btintel_hw_error; |
6d2e50d2 | 4605 | hdev->set_diag = btintel_set_diag; |
4185a0f5 | 4606 | hdev->set_bdaddr = btintel_set_bdaddr; |
dc786b2c | 4607 | hdev->cmd_timeout = btusb_intel_cmd_timeout; |
b970c5ba | 4608 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
f7785021 | 4609 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
d8270fbb | 4610 | set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); |
cda0dd78 MH |
4611 | } |
4612 | ||
0a3c1d45 K |
4613 | if (id->driver_info & BTUSB_INTEL_NEWGEN) { |
4614 | hdev->manufacturer = 2; | |
4615 | hdev->send = btusb_send_frame_intel; | |
4616 | hdev->setup = btusb_setup_intel_newgen; | |
4617 | hdev->shutdown = btusb_shutdown_intel_new; | |
4618 | hdev->hw_error = btintel_hw_error; | |
4619 | hdev->set_diag = btintel_set_diag; | |
4620 | hdev->set_bdaddr = btintel_set_bdaddr; | |
4621 | hdev->cmd_timeout = btusb_intel_cmd_timeout; | |
4622 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); | |
4623 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
4624 | set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks); | |
4625 | ||
4626 | data->recv_event = btusb_recv_event_intel; | |
4627 | data->recv_bulk = btusb_recv_bulk_intel; | |
4628 | set_bit(BTUSB_BOOTLOADER, &data->flags); | |
4629 | } | |
4630 | ||
ae8df494 AK |
4631 | if (id->driver_info & BTUSB_MARVELL) |
4632 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
4633 | ||
c0a21a52 MH |
4634 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) && |
4635 | (id->driver_info & BTUSB_MEDIATEK)) { | |
a1c49c43 SW |
4636 | hdev->setup = btusb_mtk_setup; |
4637 | hdev->shutdown = btusb_mtk_shutdown; | |
4638 | hdev->manufacturer = 70; | |
4639 | set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks); | |
4640 | } | |
a1c49c43 | 4641 | |
661cf88a MH |
4642 | if (id->driver_info & BTUSB_SWAVE) { |
4643 | set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks); | |
d57dbe77 | 4644 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); |
661cf88a | 4645 | } |
d57dbe77 | 4646 | |
e4c534bb MH |
4647 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
4648 | hdev->manufacturer = 2; | |
40df783d | 4649 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); |
e4c534bb | 4650 | } |
40df783d | 4651 | |
79f0c87d | 4652 | if (id->driver_info & BTUSB_ATH3012) { |
803cdb8c | 4653 | data->setup_on_usb = btusb_setup_qca; |
5859223e | 4654 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; |
3d50d51a | 4655 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
79f0c87d JP |
4656 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
4657 | } | |
5859223e | 4658 | |
3267c884 KBYT |
4659 | if (id->driver_info & BTUSB_QCA_ROME) { |
4660 | data->setup_on_usb = btusb_setup_qca; | |
4661 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
6933568a | 4662 | hdev->cmd_timeout = btusb_qca_cmd_timeout; |
96e58d36 | 4663 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); |
fc549102 | 4664 | btusb_check_needs_reset_resume(intf); |
3267c884 KBYT |
4665 | } |
4666 | ||
b40f58b9 RL |
4667 | if (id->driver_info & BTUSB_QCA_WCN6855) { |
4668 | data->setup_on_usb = btusb_setup_qca; | |
3b0d5250 | 4669 | hdev->shutdown = btusb_shutdown_qca; |
b40f58b9 RL |
4670 | hdev->set_bdaddr = btusb_set_bdaddr_wcn6855; |
4671 | hdev->cmd_timeout = btusb_qca_cmd_timeout; | |
4672 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
4673 | } | |
4674 | ||
461f95f0 HW |
4675 | if (id->driver_info & BTUSB_AMP) { |
4676 | /* AMP controllers do not support SCO packets */ | |
4677 | data->isoc = NULL; | |
4678 | } else { | |
4679 | /* Interface orders are hardcoded in the specification */ | |
4680 | data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1); | |
4681 | data->isoc_ifnum = ifnum_base + 1; | |
4682 | } | |
4683 | ||
42d22098 AB |
4684 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) && |
4685 | (id->driver_info & BTUSB_REALTEK)) { | |
db33c77d | 4686 | hdev->setup = btrtl_setup_realtek; |
7af3f558 | 4687 | hdev->shutdown = btrtl_shutdown_realtek; |
d7ef0d1e | 4688 | hdev->cmd_timeout = btusb_rtl_cmd_timeout; |
04b8c814 | 4689 | |
9e45524a AL |
4690 | /* Realtek devices lose their updated firmware over global |
4691 | * suspend that means host doesn't send SET_FEATURE | |
4692 | * (DEVICE_REMOTE_WAKEUP) | |
04b8c814 | 4693 | */ |
9e45524a | 4694 | set_bit(BTUSB_WAKEUP_DISABLE, &data->flags); |
04b8c814 | 4695 | } |
a2698a9b | 4696 | |
7a9d4020 | 4697 | if (!reset) |
a6c511c6 | 4698 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
4699 | |
4700 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
4701 | if (!disable_scofix) | |
4702 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
4703 | } | |
4704 | ||
9bfa35fe MH |
4705 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
4706 | data->isoc = NULL; | |
4707 | ||
4b127bd5 | 4708 | if (id->driver_info & BTUSB_WIDEBAND_SPEECH) |
00bce3fb | 4709 | set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks); |
4b127bd5 | 4710 | |
aff8c489 AM |
4711 | if (id->driver_info & BTUSB_VALID_LE_STATES) |
4712 | set_bit(HCI_QUIRK_VALID_LE_STATES, &hdev->quirks); | |
4713 | ||
7a9d4020 MH |
4714 | if (id->driver_info & BTUSB_DIGIANSWER) { |
4715 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 4716 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
4717 | } |
4718 | ||
4719 | if (id->driver_info & BTUSB_CSR) { | |
4720 | struct usb_device *udev = data->udev; | |
81cac64b | 4721 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
4722 | |
4723 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 4724 | if (bcdDevice < 0x117) |
a6c511c6 | 4725 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b | 4726 | |
cde1a8a9 IFM |
4727 | /* This must be set first in case we disable it for fakes */ |
4728 | set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks); | |
4729 | ||
81cac64b | 4730 | /* Fake CSR devices with broken commands */ |
cde1a8a9 IFM |
4731 | if (le16_to_cpu(udev->descriptor.idVendor) == 0x0a12 && |
4732 | le16_to_cpu(udev->descriptor.idProduct) == 0x0001) | |
81cac64b | 4733 | hdev->setup = btusb_setup_csr; |
7a9d4020 MH |
4734 | } |
4735 | ||
cfeb4145 | 4736 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 4737 | struct usb_device *udev = data->udev; |
cfeb4145 | 4738 | |
7a9d4020 | 4739 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
4740 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
4741 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
4742 | } | |
4743 | ||
3a5ef20c MH |
4744 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
4745 | /* A bug in the bootloader causes that interrupt interface is | |
4746 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
4747 | */ | |
4748 | err = usb_set_interface(data->udev, 0, 0); | |
4749 | if (err < 0) { | |
4750 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
10ab133b | 4751 | goto out_free_dev; |
3a5ef20c MH |
4752 | } |
4753 | } | |
4754 | ||
9bfa35fe MH |
4755 | if (data->isoc) { |
4756 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 4757 | data->isoc, data); |
10ab133b RJ |
4758 | if (err < 0) |
4759 | goto out_free_dev; | |
9bfa35fe MH |
4760 | } |
4761 | ||
c0a21a52 | 4762 | if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) { |
9d08f504 MH |
4763 | if (!usb_driver_claim_interface(&btusb_driver, |
4764 | data->diag, data)) | |
4765 | __set_diag_interface(hdev); | |
4766 | else | |
4767 | data->diag = NULL; | |
4768 | } | |
9d08f504 | 4769 | |
89591522 HG |
4770 | if (enable_autosuspend) |
4771 | usb_enable_autosuspend(data->udev); | |
eff2d68c | 4772 | |
5e23b923 | 4773 | err = hci_register_dev(hdev); |
10ab133b RJ |
4774 | if (err < 0) |
4775 | goto out_free_dev; | |
5e23b923 MH |
4776 | |
4777 | usb_set_intfdata(intf, data); | |
4778 | ||
4779 | return 0; | |
10ab133b RJ |
4780 | |
4781 | out_free_dev: | |
dc786b2c RJ |
4782 | if (data->reset_gpio) |
4783 | gpiod_put(data->reset_gpio); | |
10ab133b RJ |
4784 | hci_free_dev(hdev); |
4785 | return err; | |
5e23b923 MH |
4786 | } |
4787 | ||
4788 | static void btusb_disconnect(struct usb_interface *intf) | |
4789 | { | |
4790 | struct btusb_data *data = usb_get_intfdata(intf); | |
4791 | struct hci_dev *hdev; | |
4792 | ||
4793 | BT_DBG("intf %p", intf); | |
4794 | ||
4795 | if (!data) | |
4796 | return; | |
4797 | ||
4798 | hdev = data->hdev; | |
5fbcd260 MH |
4799 | usb_set_intfdata(data->intf, NULL); |
4800 | ||
4801 | if (data->isoc) | |
4802 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 | 4803 | |
9d08f504 MH |
4804 | if (data->diag) |
4805 | usb_set_intfdata(data->diag, NULL); | |
4806 | ||
5e23b923 MH |
4807 | hci_unregister_dev(hdev); |
4808 | ||
9d08f504 MH |
4809 | if (intf == data->intf) { |
4810 | if (data->isoc) | |
4811 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
4812 | if (data->diag) | |
4813 | usb_driver_release_interface(&btusb_driver, data->diag); | |
4814 | } else if (intf == data->isoc) { | |
4815 | if (data->diag) | |
4816 | usb_driver_release_interface(&btusb_driver, data->diag); | |
5fbcd260 | 4817 | usb_driver_release_interface(&btusb_driver, data->intf); |
9d08f504 MH |
4818 | } else if (intf == data->diag) { |
4819 | usb_driver_release_interface(&btusb_driver, data->intf); | |
4820 | if (data->isoc) | |
4821 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
4822 | } | |
5fbcd260 | 4823 | |
fd913ef7 RJ |
4824 | if (data->oob_wake_irq) |
4825 | device_init_wakeup(&data->udev->dev, false); | |
4826 | ||
dc786b2c RJ |
4827 | if (data->reset_gpio) |
4828 | gpiod_put(data->reset_gpio); | |
4829 | ||
5e23b923 MH |
4830 | hci_free_dev(hdev); |
4831 | } | |
4832 | ||
7bee549e | 4833 | #ifdef CONFIG_PM |
6a88adf2 MH |
4834 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
4835 | { | |
4836 | struct btusb_data *data = usb_get_intfdata(intf); | |
4837 | ||
4838 | BT_DBG("intf %p", intf); | |
4839 | ||
4840 | if (data->suspend_count++) | |
4841 | return 0; | |
4842 | ||
7bee549e | 4843 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 4844 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
4845 | set_bit(BTUSB_SUSPENDING, &data->flags); |
4846 | spin_unlock_irq(&data->txlock); | |
4847 | } else { | |
4848 | spin_unlock_irq(&data->txlock); | |
4849 | data->suspend_count--; | |
4850 | return -EBUSY; | |
4851 | } | |
4852 | ||
6a88adf2 MH |
4853 | cancel_work_sync(&data->work); |
4854 | ||
7bee549e | 4855 | btusb_stop_traffic(data); |
6a88adf2 MH |
4856 | usb_kill_anchored_urbs(&data->tx_anchor); |
4857 | ||
fd913ef7 RJ |
4858 | if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) { |
4859 | set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags); | |
4860 | enable_irq_wake(data->oob_wake_irq); | |
4861 | enable_irq(data->oob_wake_irq); | |
4862 | } | |
4863 | ||
9e45524a AL |
4864 | /* For global suspend, Realtek devices lose the loaded fw |
4865 | * in them. But for autosuspend, firmware should remain. | |
4866 | * Actually, it depends on whether the usb host sends | |
4867 | * set feature (enable wakeup) or not. | |
4868 | */ | |
4869 | if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) { | |
4870 | if (PMSG_IS_AUTO(message) && | |
4871 | device_can_wakeup(&data->udev->dev)) | |
4872 | data->udev->do_remote_wakeup = 1; | |
4873 | else if (!PMSG_IS_AUTO(message)) | |
4874 | data->udev->reset_resume = 1; | |
4875 | } | |
4876 | ||
6a88adf2 MH |
4877 | return 0; |
4878 | } | |
4879 | ||
7bee549e ON |
4880 | static void play_deferred(struct btusb_data *data) |
4881 | { | |
4882 | struct urb *urb; | |
4883 | int err; | |
4884 | ||
4885 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
19cfe912 JC |
4886 | usb_anchor_urb(urb, &data->tx_anchor); |
4887 | ||
7bee549e | 4888 | err = usb_submit_urb(urb, GFP_ATOMIC); |
19cfe912 JC |
4889 | if (err < 0) { |
4890 | if (err != -EPERM && err != -ENODEV) | |
4891 | BT_ERR("%s urb %p submission failed (%d)", | |
4892 | data->hdev->name, urb, -err); | |
4893 | kfree(urb->setup_packet); | |
4894 | usb_unanchor_urb(urb); | |
4895 | usb_free_urb(urb); | |
7bee549e | 4896 | break; |
19cfe912 | 4897 | } |
7bee549e ON |
4898 | |
4899 | data->tx_in_flight++; | |
19cfe912 JC |
4900 | usb_free_urb(urb); |
4901 | } | |
4902 | ||
4903 | /* Cleanup the rest deferred urbs. */ | |
4904 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
4905 | kfree(urb->setup_packet); | |
4906 | usb_free_urb(urb); | |
7bee549e | 4907 | } |
7bee549e ON |
4908 | } |
4909 | ||
6a88adf2 MH |
4910 | static int btusb_resume(struct usb_interface *intf) |
4911 | { | |
4912 | struct btusb_data *data = usb_get_intfdata(intf); | |
4913 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 4914 | int err = 0; |
6a88adf2 MH |
4915 | |
4916 | BT_DBG("intf %p", intf); | |
4917 | ||
4918 | if (--data->suspend_count) | |
4919 | return 0; | |
4920 | ||
fd913ef7 RJ |
4921 | /* Disable only if not already disabled (keep it balanced) */ |
4922 | if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) { | |
4923 | disable_irq(data->oob_wake_irq); | |
4924 | disable_irq_wake(data->oob_wake_irq); | |
4925 | } | |
4926 | ||
6a88adf2 | 4927 | if (!test_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 4928 | goto done; |
6a88adf2 MH |
4929 | |
4930 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
4931 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
4932 | if (err < 0) { | |
4933 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 4934 | goto failed; |
6a88adf2 MH |
4935 | } |
4936 | } | |
4937 | ||
4938 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
4939 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
4940 | if (err < 0) { | |
6a88adf2 | 4941 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
4942 | goto failed; |
4943 | } | |
4944 | ||
4945 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
4946 | } |
4947 | ||
4948 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
4949 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
4950 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
4951 | else | |
4952 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
4953 | } | |
4954 | ||
7bee549e ON |
4955 | spin_lock_irq(&data->txlock); |
4956 | play_deferred(data); | |
4957 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
4958 | spin_unlock_irq(&data->txlock); | |
4959 | schedule_work(&data->work); | |
4960 | ||
6a88adf2 | 4961 | return 0; |
7bee549e ON |
4962 | |
4963 | failed: | |
4964 | usb_scuttle_anchored_urbs(&data->deferred); | |
4965 | done: | |
4966 | spin_lock_irq(&data->txlock); | |
4967 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
4968 | spin_unlock_irq(&data->txlock); | |
4969 | ||
4970 | return err; | |
6a88adf2 | 4971 | } |
7bee549e | 4972 | #endif |
6a88adf2 | 4973 | |
5e23b923 MH |
4974 | static struct usb_driver btusb_driver = { |
4975 | .name = "btusb", | |
4976 | .probe = btusb_probe, | |
4977 | .disconnect = btusb_disconnect, | |
7bee549e | 4978 | #ifdef CONFIG_PM |
6a88adf2 MH |
4979 | .suspend = btusb_suspend, |
4980 | .resume = btusb_resume, | |
7bee549e | 4981 | #endif |
5e23b923 | 4982 | .id_table = btusb_table, |
7bee549e | 4983 | .supports_autosuspend = 1, |
e1f12eb6 | 4984 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
4985 | }; |
4986 | ||
93f1508c | 4987 | module_usb_driver(btusb_driver); |
5e23b923 | 4988 | |
cfeb4145 MH |
4989 | module_param(disable_scofix, bool, 0644); |
4990 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
4991 | ||
4992 | module_param(force_scofix, bool, 0644); | |
4993 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
4994 | ||
eff2d68c HG |
4995 | module_param(enable_autosuspend, bool, 0644); |
4996 | MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default"); | |
4997 | ||
cfeb4145 MH |
4998 | module_param(reset, bool, 0644); |
4999 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
5000 | ||
5e23b923 MH |
5001 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
5002 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
5003 | MODULE_VERSION(VERSION); | |
5004 | MODULE_LICENSE("GPL"); |