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Commit | Line | Data |
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5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 25 | #include <linux/usb.h> |
dffd30ee | 26 | #include <linux/firmware.h> |
5e23b923 MH |
27 | |
28 | #include <net/bluetooth/bluetooth.h> | |
29 | #include <net/bluetooth/hci_core.h> | |
30 | ||
7bee549e | 31 | #define VERSION "0.6" |
cfeb4145 | 32 | |
90ab5ee9 RR |
33 | static bool disable_scofix; |
34 | static bool force_scofix; | |
7a9d4020 | 35 | |
90ab5ee9 | 36 | static bool reset = 1; |
cfeb4145 MH |
37 | |
38 | static struct usb_driver btusb_driver; | |
39 | ||
40 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
41 | #define BTUSB_DIGIANSWER 0x02 |
42 | #define BTUSB_CSR 0x04 | |
43 | #define BTUSB_SNIFFER 0x08 | |
44 | #define BTUSB_BCM92035 0x10 | |
45 | #define BTUSB_BROKEN_ISOC 0x20 | |
46 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 47 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 48 | #define BTUSB_INTEL 0x100 |
40df783d MH |
49 | #define BTUSB_INTEL_BOOT 0x200 |
50 | #define BTUSB_BCM_PATCHRAM 0x400 | |
ae8df494 | 51 | #define BTUSB_MARVELL 0x800 |
d57dbe77 | 52 | #define BTUSB_AVM 0x1000 |
5e23b923 | 53 | |
54265202 | 54 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
55 | /* Generic Bluetooth USB device */ |
56 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
57 | ||
1fa6535f HR |
58 | /* Apple-specific (Broadcom) devices */ |
59 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, | |
60 | ||
178c059e CYC |
61 | /* MediaTek MT76x0E */ |
62 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
63 | ||
c510eae3 | 64 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 65 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 66 | |
3cd01976 NI |
67 | /* Apple MacBookPro 7,1 */ |
68 | { USB_DEVICE(0x05ac, 0x8213) }, | |
69 | ||
0a79f674 CL |
70 | /* Apple iMac11,1 */ |
71 | { USB_DEVICE(0x05ac, 0x8215) }, | |
72 | ||
9c047157 NI |
73 | /* Apple MacBookPro6,2 */ |
74 | { USB_DEVICE(0x05ac, 0x8218) }, | |
75 | ||
3e3ede7d EH |
76 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
77 | { USB_DEVICE(0x05ac, 0x821b) }, | |
78 | ||
a63b723d PAVM |
79 | /* Apple MacBookAir4,1 */ |
80 | { USB_DEVICE(0x05ac, 0x821f) }, | |
81 | ||
88d377b6 MAP |
82 | /* Apple MacBookPro8,2 */ |
83 | { USB_DEVICE(0x05ac, 0x821a) }, | |
84 | ||
f78b6826 JK |
85 | /* Apple MacMini5,1 */ |
86 | { USB_DEVICE(0x05ac, 0x8281) }, | |
87 | ||
cfeb4145 | 88 | /* AVM BlueFRITZ! USB v2.0 */ |
d57dbe77 | 89 | { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_AVM }, |
cfeb4145 MH |
90 | |
91 | /* Bluetooth Ultraport Module from IBM */ | |
92 | { USB_DEVICE(0x04bf, 0x030a) }, | |
93 | ||
94 | /* ALPS Modules with non-standard id */ | |
95 | { USB_DEVICE(0x044e, 0x3001) }, | |
96 | { USB_DEVICE(0x044e, 0x3002) }, | |
97 | ||
98 | /* Ericsson with non-standard id */ | |
99 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
100 | ||
101 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 102 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 103 | |
d13431ca | 104 | /* Broadcom BCM20702A0 */ |
0b880062 AS |
105 | { USB_DEVICE(0x0489, 0xe042) }, |
106 | { USB_DEVICE(0x04ca, 0x2003) }, | |
1ee3ff61 | 107 | { USB_DEVICE(0x0b05, 0x17b5) }, |
38a172be | 108 | { USB_DEVICE(0x0b05, 0x17cb) }, |
d13431ca | 109 | { USB_DEVICE(0x413c, 0x8197) }, |
a86c02ea F |
110 | { USB_DEVICE(0x13d3, 0x3404), |
111 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
d13431ca | 112 | |
98514036 | 113 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
114 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
115 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 116 | |
0b880062 | 117 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
118 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
119 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 120 | |
c2aef6e8 MH |
121 | /* ASUSTek Computer - Broadcom based */ |
122 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01) }, | |
123 | ||
5bcecf32 KB |
124 | /* Belkin F8065bf - Broadcom based */ |
125 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, | |
126 | ||
9113bfd8 JK |
127 | /* IMC Networks - Broadcom based */ |
128 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, | |
129 | ||
40df783d | 130 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
131 | { USB_DEVICE(0x8087, 0x0a5a), |
132 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 133 | |
5e23b923 MH |
134 | { } /* Terminating entry */ |
135 | }; | |
136 | ||
137 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
138 | ||
54265202 | 139 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
140 | /* CSR BlueCore devices */ |
141 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
142 | ||
143 | /* Broadcom BCM2033 without firmware */ | |
144 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
145 | ||
be93112a | 146 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
147 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
148 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
149 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, | |
be93112a | 150 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 151 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 152 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 153 | |
509e7861 CYC |
154 | /* Atheros AR9285 Malbec with sflash firmware */ |
155 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
156 | ||
d9f51b51 | 157 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
158 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
159 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
160 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
161 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
162 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
4b552bc9 | 163 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
164 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
165 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
166 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
167 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 168 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
169 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
170 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
134d3b35 | 171 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
172 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
173 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
89d2975f | 174 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 175 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 176 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 177 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 178 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 179 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 180 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 181 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 182 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 183 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 184 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 185 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 186 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
187 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
188 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 189 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 190 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 191 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 192 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 193 | |
e9036e33 CYC |
194 | /* Atheros AR5BBU12 with sflash firmware */ |
195 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
196 | ||
85d59726 | 197 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 198 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 199 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 200 | |
cfeb4145 | 201 | /* Broadcom BCM2035 */ |
7a9d4020 | 202 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
203 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
204 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
205 | |
206 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
207 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
208 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 209 | |
cfeb4145 | 210 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
211 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
212 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
213 | |
214 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 215 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
216 | |
217 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 218 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 219 | |
5ddd4a60 | 220 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 221 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 222 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 223 | |
7a9d4020 MH |
224 | /* Belkin F8T012 and F8T013 devices */ |
225 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
226 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 227 | |
5ddd4a60 MH |
228 | /* Asus WL-BTD202 device */ |
229 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
230 | ||
231 | /* Kensington Bluetooth USB adapter */ | |
232 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
233 | ||
cfeb4145 MH |
234 | /* RTX Telecom based adapters with buggy SCO support */ |
235 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
236 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
237 | ||
238 | /* CONWISE Technology based adapters with buggy SCO support */ | |
239 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
240 | ||
cfeb4145 MH |
241 | /* Digianswer devices */ |
242 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
243 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
244 | ||
245 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
246 | { USB_DEVICE(0x0a12, 0x0002), |
247 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
248 | |
249 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
250 | { USB_DEVICE(0x16d3, 0x0002), |
251 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 252 | |
dffd30ee THJA |
253 | /* Intel Bluetooth device */ |
254 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
ef4e5e4a | 255 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
dffd30ee | 256 | |
ae8df494 AK |
257 | /* Marvell device */ |
258 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
259 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
260 | ||
5e23b923 MH |
261 | { } /* Terminating entry */ |
262 | }; | |
263 | ||
9bfa35fe MH |
264 | #define BTUSB_MAX_ISOC_FRAMES 10 |
265 | ||
5e23b923 MH |
266 | #define BTUSB_INTR_RUNNING 0 |
267 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 268 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 269 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 270 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
271 | |
272 | struct btusb_data { | |
273 | struct hci_dev *hdev; | |
274 | struct usb_device *udev; | |
5fbcd260 | 275 | struct usb_interface *intf; |
9bfa35fe | 276 | struct usb_interface *isoc; |
5e23b923 | 277 | |
5e23b923 MH |
278 | unsigned long flags; |
279 | ||
280 | struct work_struct work; | |
7bee549e | 281 | struct work_struct waker; |
5e23b923 | 282 | |
803b5836 | 283 | struct usb_anchor deferred; |
5e23b923 | 284 | struct usb_anchor tx_anchor; |
803b5836 MH |
285 | int tx_in_flight; |
286 | spinlock_t txlock; | |
287 | ||
5e23b923 MH |
288 | struct usb_anchor intr_anchor; |
289 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 290 | struct usb_anchor isoc_anchor; |
803b5836 MH |
291 | spinlock_t rxlock; |
292 | ||
293 | struct sk_buff *evt_skb; | |
294 | struct sk_buff *acl_skb; | |
295 | struct sk_buff *sco_skb; | |
5e23b923 MH |
296 | |
297 | struct usb_endpoint_descriptor *intr_ep; | |
298 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
299 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
300 | struct usb_endpoint_descriptor *isoc_tx_ep; |
301 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
302 | ||
7a9d4020 MH |
303 | __u8 cmdreq_type; |
304 | ||
43c2e57f | 305 | unsigned int sco_num; |
9bfa35fe | 306 | int isoc_altsetting; |
6a88adf2 | 307 | int suspend_count; |
2cbd3f5c MH |
308 | |
309 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); | |
5e23b923 MH |
310 | }; |
311 | ||
803b5836 MH |
312 | static inline void btusb_free_frags(struct btusb_data *data) |
313 | { | |
314 | unsigned long flags; | |
315 | ||
316 | spin_lock_irqsave(&data->rxlock, flags); | |
317 | ||
318 | kfree_skb(data->evt_skb); | |
319 | data->evt_skb = NULL; | |
320 | ||
321 | kfree_skb(data->acl_skb); | |
322 | data->acl_skb = NULL; | |
323 | ||
324 | kfree_skb(data->sco_skb); | |
325 | data->sco_skb = NULL; | |
326 | ||
327 | spin_unlock_irqrestore(&data->rxlock, flags); | |
328 | } | |
329 | ||
1ffa4ad0 MH |
330 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
331 | { | |
803b5836 MH |
332 | struct sk_buff *skb; |
333 | int err = 0; | |
334 | ||
335 | spin_lock(&data->rxlock); | |
336 | skb = data->evt_skb; | |
337 | ||
338 | while (count) { | |
339 | int len; | |
340 | ||
341 | if (!skb) { | |
342 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
343 | if (!skb) { | |
344 | err = -ENOMEM; | |
345 | break; | |
346 | } | |
347 | ||
348 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
349 | bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE; | |
350 | } | |
351 | ||
352 | len = min_t(uint, bt_cb(skb)->expect, count); | |
353 | memcpy(skb_put(skb, len), buffer, len); | |
354 | ||
355 | count -= len; | |
356 | buffer += len; | |
357 | bt_cb(skb)->expect -= len; | |
358 | ||
359 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
360 | /* Complete event header */ | |
361 | bt_cb(skb)->expect = hci_event_hdr(skb)->plen; | |
362 | ||
363 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
364 | kfree_skb(skb); | |
365 | skb = NULL; | |
366 | ||
367 | err = -EILSEQ; | |
368 | break; | |
369 | } | |
370 | } | |
371 | ||
372 | if (bt_cb(skb)->expect == 0) { | |
373 | /* Complete frame */ | |
374 | hci_recv_frame(data->hdev, skb); | |
375 | skb = NULL; | |
376 | } | |
377 | } | |
378 | ||
379 | data->evt_skb = skb; | |
380 | spin_unlock(&data->rxlock); | |
381 | ||
382 | return err; | |
1ffa4ad0 MH |
383 | } |
384 | ||
385 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
386 | { | |
803b5836 MH |
387 | struct sk_buff *skb; |
388 | int err = 0; | |
389 | ||
390 | spin_lock(&data->rxlock); | |
391 | skb = data->acl_skb; | |
392 | ||
393 | while (count) { | |
394 | int len; | |
395 | ||
396 | if (!skb) { | |
397 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
398 | if (!skb) { | |
399 | err = -ENOMEM; | |
400 | break; | |
401 | } | |
402 | ||
403 | bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; | |
404 | bt_cb(skb)->expect = HCI_ACL_HDR_SIZE; | |
405 | } | |
406 | ||
407 | len = min_t(uint, bt_cb(skb)->expect, count); | |
408 | memcpy(skb_put(skb, len), buffer, len); | |
409 | ||
410 | count -= len; | |
411 | buffer += len; | |
412 | bt_cb(skb)->expect -= len; | |
413 | ||
414 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
415 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
416 | ||
417 | /* Complete ACL header */ | |
418 | bt_cb(skb)->expect = __le16_to_cpu(dlen); | |
419 | ||
420 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
421 | kfree_skb(skb); | |
422 | skb = NULL; | |
423 | ||
424 | err = -EILSEQ; | |
425 | break; | |
426 | } | |
427 | } | |
428 | ||
429 | if (bt_cb(skb)->expect == 0) { | |
430 | /* Complete frame */ | |
431 | hci_recv_frame(data->hdev, skb); | |
432 | skb = NULL; | |
433 | } | |
434 | } | |
435 | ||
436 | data->acl_skb = skb; | |
437 | spin_unlock(&data->rxlock); | |
438 | ||
439 | return err; | |
1ffa4ad0 MH |
440 | } |
441 | ||
442 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
443 | { | |
803b5836 MH |
444 | struct sk_buff *skb; |
445 | int err = 0; | |
446 | ||
447 | spin_lock(&data->rxlock); | |
448 | skb = data->sco_skb; | |
449 | ||
450 | while (count) { | |
451 | int len; | |
452 | ||
453 | if (!skb) { | |
454 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
455 | if (!skb) { | |
456 | err = -ENOMEM; | |
457 | break; | |
458 | } | |
459 | ||
460 | bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; | |
461 | bt_cb(skb)->expect = HCI_SCO_HDR_SIZE; | |
462 | } | |
463 | ||
464 | len = min_t(uint, bt_cb(skb)->expect, count); | |
465 | memcpy(skb_put(skb, len), buffer, len); | |
466 | ||
467 | count -= len; | |
468 | buffer += len; | |
469 | bt_cb(skb)->expect -= len; | |
470 | ||
471 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
472 | /* Complete SCO header */ | |
473 | bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen; | |
474 | ||
475 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
476 | kfree_skb(skb); | |
477 | skb = NULL; | |
478 | ||
479 | err = -EILSEQ; | |
480 | break; | |
481 | } | |
482 | } | |
483 | ||
484 | if (bt_cb(skb)->expect == 0) { | |
485 | /* Complete frame */ | |
486 | hci_recv_frame(data->hdev, skb); | |
487 | skb = NULL; | |
488 | } | |
489 | } | |
490 | ||
491 | data->sco_skb = skb; | |
492 | spin_unlock(&data->rxlock); | |
493 | ||
494 | return err; | |
1ffa4ad0 MH |
495 | } |
496 | ||
5e23b923 MH |
497 | static void btusb_intr_complete(struct urb *urb) |
498 | { | |
499 | struct hci_dev *hdev = urb->context; | |
155961e8 | 500 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
501 | int err; |
502 | ||
89e7533d MH |
503 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
504 | urb->actual_length); | |
5e23b923 MH |
505 | |
506 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
507 | return; | |
508 | ||
509 | if (urb->status == 0) { | |
9bfa35fe MH |
510 | hdev->stat.byte_rx += urb->actual_length; |
511 | ||
1ffa4ad0 MH |
512 | if (btusb_recv_intr(data, urb->transfer_buffer, |
513 | urb->actual_length) < 0) { | |
5e23b923 MH |
514 | BT_ERR("%s corrupted event packet", hdev->name); |
515 | hdev->stat.err_rx++; | |
516 | } | |
85560c4a CC |
517 | } else if (urb->status == -ENOENT) { |
518 | /* Avoid suspend failed when usb_kill_urb */ | |
519 | return; | |
5e23b923 MH |
520 | } |
521 | ||
522 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
523 | return; | |
524 | ||
7bee549e | 525 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
526 | usb_anchor_urb(urb, &data->intr_anchor); |
527 | ||
528 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
529 | if (err < 0) { | |
4935f1c1 PB |
530 | /* -EPERM: urb is being killed; |
531 | * -ENODEV: device got disconnected */ | |
532 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 533 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 534 | hdev->name, urb, -err); |
5e23b923 MH |
535 | usb_unanchor_urb(urb); |
536 | } | |
537 | } | |
538 | ||
2eda66f4 | 539 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 540 | { |
155961e8 | 541 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
542 | struct urb *urb; |
543 | unsigned char *buf; | |
544 | unsigned int pipe; | |
545 | int err, size; | |
546 | ||
547 | BT_DBG("%s", hdev->name); | |
548 | ||
9bfa35fe MH |
549 | if (!data->intr_ep) |
550 | return -ENODEV; | |
551 | ||
2eda66f4 | 552 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
553 | if (!urb) |
554 | return -ENOMEM; | |
555 | ||
556 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
557 | ||
2eda66f4 | 558 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
559 | if (!buf) { |
560 | usb_free_urb(urb); | |
561 | return -ENOMEM; | |
562 | } | |
563 | ||
564 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
565 | ||
566 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 567 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
568 | |
569 | urb->transfer_flags |= URB_FREE_BUFFER; | |
570 | ||
571 | usb_anchor_urb(urb, &data->intr_anchor); | |
572 | ||
2eda66f4 | 573 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 574 | if (err < 0) { |
d4b8d1c9 PB |
575 | if (err != -EPERM && err != -ENODEV) |
576 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 577 | hdev->name, urb, -err); |
5e23b923 | 578 | usb_unanchor_urb(urb); |
5e23b923 MH |
579 | } |
580 | ||
581 | usb_free_urb(urb); | |
582 | ||
583 | return err; | |
584 | } | |
585 | ||
586 | static void btusb_bulk_complete(struct urb *urb) | |
587 | { | |
588 | struct hci_dev *hdev = urb->context; | |
155961e8 | 589 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
590 | int err; |
591 | ||
89e7533d MH |
592 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
593 | urb->actual_length); | |
5e23b923 MH |
594 | |
595 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
596 | return; | |
597 | ||
598 | if (urb->status == 0) { | |
9bfa35fe MH |
599 | hdev->stat.byte_rx += urb->actual_length; |
600 | ||
2cbd3f5c | 601 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 602 | urb->actual_length) < 0) { |
5e23b923 MH |
603 | BT_ERR("%s corrupted ACL packet", hdev->name); |
604 | hdev->stat.err_rx++; | |
605 | } | |
85560c4a CC |
606 | } else if (urb->status == -ENOENT) { |
607 | /* Avoid suspend failed when usb_kill_urb */ | |
608 | return; | |
5e23b923 MH |
609 | } |
610 | ||
611 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
612 | return; | |
613 | ||
614 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 615 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
616 | |
617 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
618 | if (err < 0) { | |
4935f1c1 PB |
619 | /* -EPERM: urb is being killed; |
620 | * -ENODEV: device got disconnected */ | |
621 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 622 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 623 | hdev->name, urb, -err); |
5e23b923 MH |
624 | usb_unanchor_urb(urb); |
625 | } | |
626 | } | |
627 | ||
2eda66f4 | 628 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 629 | { |
155961e8 | 630 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
631 | struct urb *urb; |
632 | unsigned char *buf; | |
633 | unsigned int pipe; | |
290ba200 | 634 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
635 | |
636 | BT_DBG("%s", hdev->name); | |
637 | ||
9bfa35fe MH |
638 | if (!data->bulk_rx_ep) |
639 | return -ENODEV; | |
640 | ||
2eda66f4 | 641 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
642 | if (!urb) |
643 | return -ENOMEM; | |
644 | ||
2eda66f4 | 645 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
646 | if (!buf) { |
647 | usb_free_urb(urb); | |
648 | return -ENOMEM; | |
649 | } | |
650 | ||
651 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
652 | ||
89e7533d MH |
653 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
654 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
655 | |
656 | urb->transfer_flags |= URB_FREE_BUFFER; | |
657 | ||
7bee549e | 658 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
659 | usb_anchor_urb(urb, &data->bulk_anchor); |
660 | ||
2eda66f4 | 661 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 662 | if (err < 0) { |
d4b8d1c9 PB |
663 | if (err != -EPERM && err != -ENODEV) |
664 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 665 | hdev->name, urb, -err); |
5e23b923 | 666 | usb_unanchor_urb(urb); |
5e23b923 MH |
667 | } |
668 | ||
669 | usb_free_urb(urb); | |
670 | ||
671 | return err; | |
672 | } | |
673 | ||
9bfa35fe MH |
674 | static void btusb_isoc_complete(struct urb *urb) |
675 | { | |
676 | struct hci_dev *hdev = urb->context; | |
155961e8 | 677 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
678 | int i, err; |
679 | ||
89e7533d MH |
680 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
681 | urb->actual_length); | |
9bfa35fe MH |
682 | |
683 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
684 | return; | |
685 | ||
686 | if (urb->status == 0) { | |
687 | for (i = 0; i < urb->number_of_packets; i++) { | |
688 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
689 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
690 | ||
691 | if (urb->iso_frame_desc[i].status) | |
692 | continue; | |
693 | ||
694 | hdev->stat.byte_rx += length; | |
695 | ||
1ffa4ad0 MH |
696 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
697 | length) < 0) { | |
9bfa35fe MH |
698 | BT_ERR("%s corrupted SCO packet", hdev->name); |
699 | hdev->stat.err_rx++; | |
700 | } | |
701 | } | |
85560c4a CC |
702 | } else if (urb->status == -ENOENT) { |
703 | /* Avoid suspend failed when usb_kill_urb */ | |
704 | return; | |
9bfa35fe MH |
705 | } |
706 | ||
707 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
708 | return; | |
709 | ||
710 | usb_anchor_urb(urb, &data->isoc_anchor); | |
711 | ||
712 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
713 | if (err < 0) { | |
4935f1c1 PB |
714 | /* -EPERM: urb is being killed; |
715 | * -ENODEV: device got disconnected */ | |
716 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 717 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 718 | hdev->name, urb, -err); |
9bfa35fe MH |
719 | usb_unanchor_urb(urb); |
720 | } | |
721 | } | |
722 | ||
42b16b3f | 723 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
724 | { |
725 | int i, offset = 0; | |
726 | ||
727 | BT_DBG("len %d mtu %d", len, mtu); | |
728 | ||
729 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
730 | i++, offset += mtu, len -= mtu) { | |
731 | urb->iso_frame_desc[i].offset = offset; | |
732 | urb->iso_frame_desc[i].length = mtu; | |
733 | } | |
734 | ||
735 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
736 | urb->iso_frame_desc[i].offset = offset; | |
737 | urb->iso_frame_desc[i].length = len; | |
738 | i++; | |
739 | } | |
740 | ||
741 | urb->number_of_packets = i; | |
742 | } | |
743 | ||
2eda66f4 | 744 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 745 | { |
155961e8 | 746 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
747 | struct urb *urb; |
748 | unsigned char *buf; | |
749 | unsigned int pipe; | |
750 | int err, size; | |
751 | ||
752 | BT_DBG("%s", hdev->name); | |
753 | ||
754 | if (!data->isoc_rx_ep) | |
755 | return -ENODEV; | |
756 | ||
2eda66f4 | 757 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
758 | if (!urb) |
759 | return -ENOMEM; | |
760 | ||
761 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
762 | BTUSB_MAX_ISOC_FRAMES; | |
763 | ||
2eda66f4 | 764 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
765 | if (!buf) { |
766 | usb_free_urb(urb); | |
767 | return -ENOMEM; | |
768 | } | |
769 | ||
770 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
771 | ||
fa0fb93f | 772 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 773 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 774 | |
89e7533d | 775 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
776 | |
777 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 778 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
779 | |
780 | usb_anchor_urb(urb, &data->isoc_anchor); | |
781 | ||
2eda66f4 | 782 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 783 | if (err < 0) { |
d4b8d1c9 PB |
784 | if (err != -EPERM && err != -ENODEV) |
785 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 786 | hdev->name, urb, -err); |
9bfa35fe | 787 | usb_unanchor_urb(urb); |
9bfa35fe MH |
788 | } |
789 | ||
790 | usb_free_urb(urb); | |
791 | ||
792 | return err; | |
793 | } | |
794 | ||
5e23b923 | 795 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
796 | { |
797 | struct sk_buff *skb = urb->context; | |
89e7533d | 798 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 799 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 800 | |
89e7533d MH |
801 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
802 | urb->actual_length); | |
7bee549e ON |
803 | |
804 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
805 | goto done; | |
806 | ||
807 | if (!urb->status) | |
808 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
809 | else | |
810 | hdev->stat.err_tx++; | |
811 | ||
812 | done: | |
813 | spin_lock(&data->txlock); | |
814 | data->tx_in_flight--; | |
815 | spin_unlock(&data->txlock); | |
816 | ||
817 | kfree(urb->setup_packet); | |
818 | ||
819 | kfree_skb(skb); | |
820 | } | |
821 | ||
822 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
823 | { |
824 | struct sk_buff *skb = urb->context; | |
89e7533d | 825 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 826 | |
89e7533d MH |
827 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
828 | urb->actual_length); | |
5e23b923 MH |
829 | |
830 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
831 | goto done; | |
832 | ||
833 | if (!urb->status) | |
834 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
835 | else | |
836 | hdev->stat.err_tx++; | |
837 | ||
838 | done: | |
839 | kfree(urb->setup_packet); | |
840 | ||
841 | kfree_skb(skb); | |
842 | } | |
843 | ||
844 | static int btusb_open(struct hci_dev *hdev) | |
845 | { | |
155961e8 | 846 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
847 | int err; |
848 | ||
849 | BT_DBG("%s", hdev->name); | |
850 | ||
7bee549e ON |
851 | err = usb_autopm_get_interface(data->intf); |
852 | if (err < 0) | |
853 | return err; | |
854 | ||
855 | data->intf->needs_remote_wakeup = 1; | |
856 | ||
5e23b923 | 857 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 858 | goto done; |
5e23b923 MH |
859 | |
860 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 861 | goto done; |
5e23b923 | 862 | |
2eda66f4 | 863 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
864 | if (err < 0) |
865 | goto failed; | |
866 | ||
867 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 868 | if (err < 0) { |
43c2e57f MH |
869 | usb_kill_anchored_urbs(&data->intr_anchor); |
870 | goto failed; | |
5e23b923 MH |
871 | } |
872 | ||
43c2e57f MH |
873 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
874 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
875 | ||
7bee549e ON |
876 | done: |
877 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
878 | return 0; |
879 | ||
880 | failed: | |
881 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
882 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 883 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
884 | return err; |
885 | } | |
886 | ||
7bee549e ON |
887 | static void btusb_stop_traffic(struct btusb_data *data) |
888 | { | |
889 | usb_kill_anchored_urbs(&data->intr_anchor); | |
890 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
891 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
892 | } | |
893 | ||
5e23b923 MH |
894 | static int btusb_close(struct hci_dev *hdev) |
895 | { | |
155961e8 | 896 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 897 | int err; |
5e23b923 MH |
898 | |
899 | BT_DBG("%s", hdev->name); | |
900 | ||
901 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
902 | return 0; | |
903 | ||
e8c3c3d2 | 904 | cancel_work_sync(&data->work); |
404291ac | 905 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 906 | |
9bfa35fe | 907 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 908 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 909 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
910 | |
911 | btusb_stop_traffic(data); | |
803b5836 MH |
912 | btusb_free_frags(data); |
913 | ||
7bee549e ON |
914 | err = usb_autopm_get_interface(data->intf); |
915 | if (err < 0) | |
7b8e2c1d | 916 | goto failed; |
7bee549e ON |
917 | |
918 | data->intf->needs_remote_wakeup = 0; | |
919 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 920 | |
7b8e2c1d ON |
921 | failed: |
922 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
923 | return 0; |
924 | } | |
925 | ||
926 | static int btusb_flush(struct hci_dev *hdev) | |
927 | { | |
155961e8 | 928 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
929 | |
930 | BT_DBG("%s", hdev->name); | |
931 | ||
932 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 933 | btusb_free_frags(data); |
5e23b923 MH |
934 | |
935 | return 0; | |
936 | } | |
937 | ||
047b2ec8 | 938 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 939 | { |
155961e8 | 940 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
941 | struct usb_ctrlrequest *dr; |
942 | struct urb *urb; | |
943 | unsigned int pipe; | |
5e23b923 | 944 | |
047b2ec8 MH |
945 | urb = usb_alloc_urb(0, GFP_KERNEL); |
946 | if (!urb) | |
947 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 948 | |
047b2ec8 MH |
949 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
950 | if (!dr) { | |
951 | usb_free_urb(urb); | |
952 | return ERR_PTR(-ENOMEM); | |
953 | } | |
5e23b923 | 954 | |
047b2ec8 MH |
955 | dr->bRequestType = data->cmdreq_type; |
956 | dr->bRequest = 0; | |
957 | dr->wIndex = 0; | |
958 | dr->wValue = 0; | |
959 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 960 | |
047b2ec8 | 961 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 962 | |
89e7533d | 963 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 964 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 965 | |
89e7533d | 966 | skb->dev = (void *)hdev; |
5e23b923 | 967 | |
047b2ec8 MH |
968 | return urb; |
969 | } | |
5e23b923 | 970 | |
047b2ec8 MH |
971 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
972 | { | |
973 | struct btusb_data *data = hci_get_drvdata(hdev); | |
974 | struct urb *urb; | |
975 | unsigned int pipe; | |
5e23b923 | 976 | |
047b2ec8 MH |
977 | if (!data->bulk_tx_ep) |
978 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 979 | |
047b2ec8 MH |
980 | urb = usb_alloc_urb(0, GFP_KERNEL); |
981 | if (!urb) | |
982 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 983 | |
047b2ec8 | 984 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 985 | |
047b2ec8 MH |
986 | usb_fill_bulk_urb(urb, data->udev, pipe, |
987 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 988 | |
89e7533d | 989 | skb->dev = (void *)hdev; |
5e23b923 | 990 | |
047b2ec8 MH |
991 | return urb; |
992 | } | |
9bfa35fe | 993 | |
047b2ec8 MH |
994 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
995 | { | |
996 | struct btusb_data *data = hci_get_drvdata(hdev); | |
997 | struct urb *urb; | |
998 | unsigned int pipe; | |
9bfa35fe | 999 | |
047b2ec8 MH |
1000 | if (!data->isoc_tx_ep) |
1001 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1002 | |
047b2ec8 MH |
1003 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1004 | if (!urb) | |
1005 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1006 | |
047b2ec8 | 1007 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1008 | |
047b2ec8 MH |
1009 | usb_fill_int_urb(urb, data->udev, pipe, |
1010 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1011 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1012 | |
047b2ec8 | 1013 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1014 | |
047b2ec8 MH |
1015 | __fill_isoc_descriptor(urb, skb->len, |
1016 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1017 | |
89e7533d | 1018 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1019 | |
1020 | return urb; | |
1021 | } | |
1022 | ||
1023 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1024 | { | |
1025 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1026 | int err; | |
7bee549e | 1027 | |
5e23b923 MH |
1028 | usb_anchor_urb(urb, &data->tx_anchor); |
1029 | ||
e9753eff | 1030 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1031 | if (err < 0) { |
5a9b80e2 PB |
1032 | if (err != -EPERM && err != -ENODEV) |
1033 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 1034 | hdev->name, urb, -err); |
5e23b923 MH |
1035 | kfree(urb->setup_packet); |
1036 | usb_unanchor_urb(urb); | |
7bee549e ON |
1037 | } else { |
1038 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1039 | } |
1040 | ||
54a8a79c | 1041 | usb_free_urb(urb); |
5e23b923 MH |
1042 | return err; |
1043 | } | |
1044 | ||
047b2ec8 MH |
1045 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1046 | { | |
1047 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1048 | unsigned long flags; | |
1049 | bool suspending; | |
1050 | ||
1051 | spin_lock_irqsave(&data->txlock, flags); | |
1052 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1053 | if (!suspending) | |
1054 | data->tx_in_flight++; | |
1055 | spin_unlock_irqrestore(&data->txlock, flags); | |
1056 | ||
1057 | if (!suspending) | |
1058 | return submit_tx_urb(hdev, urb); | |
1059 | ||
1060 | usb_anchor_urb(urb, &data->deferred); | |
1061 | schedule_work(&data->waker); | |
1062 | ||
1063 | usb_free_urb(urb); | |
1064 | return 0; | |
1065 | } | |
1066 | ||
1067 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1068 | { | |
1069 | struct urb *urb; | |
1070 | ||
1071 | BT_DBG("%s", hdev->name); | |
1072 | ||
1073 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1074 | return -EBUSY; | |
1075 | ||
1076 | switch (bt_cb(skb)->pkt_type) { | |
1077 | case HCI_COMMAND_PKT: | |
1078 | urb = alloc_ctrl_urb(hdev, skb); | |
1079 | if (IS_ERR(urb)) | |
1080 | return PTR_ERR(urb); | |
1081 | ||
1082 | hdev->stat.cmd_tx++; | |
1083 | return submit_or_queue_tx_urb(hdev, urb); | |
1084 | ||
1085 | case HCI_ACLDATA_PKT: | |
1086 | urb = alloc_bulk_urb(hdev, skb); | |
1087 | if (IS_ERR(urb)) | |
1088 | return PTR_ERR(urb); | |
1089 | ||
1090 | hdev->stat.acl_tx++; | |
1091 | return submit_or_queue_tx_urb(hdev, urb); | |
1092 | ||
1093 | case HCI_SCODATA_PKT: | |
1094 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1095 | return -ENODEV; | |
1096 | ||
1097 | urb = alloc_isoc_urb(hdev, skb); | |
1098 | if (IS_ERR(urb)) | |
1099 | return PTR_ERR(urb); | |
1100 | ||
1101 | hdev->stat.sco_tx++; | |
1102 | return submit_tx_urb(hdev, urb); | |
1103 | } | |
1104 | ||
1105 | return -EILSEQ; | |
1106 | } | |
1107 | ||
5e23b923 MH |
1108 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1109 | { | |
155961e8 | 1110 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1111 | |
1112 | BT_DBG("%s evt %d", hdev->name, evt); | |
1113 | ||
014f7bc7 MH |
1114 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1115 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1116 | schedule_work(&data->work); |
a780efa8 | 1117 | } |
5e23b923 MH |
1118 | } |
1119 | ||
42b16b3f | 1120 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1121 | { |
155961e8 | 1122 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1123 | struct usb_interface *intf = data->isoc; |
1124 | struct usb_endpoint_descriptor *ep_desc; | |
1125 | int i, err; | |
1126 | ||
1127 | if (!data->isoc) | |
1128 | return -ENODEV; | |
1129 | ||
1130 | err = usb_set_interface(data->udev, 1, altsetting); | |
1131 | if (err < 0) { | |
1132 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
1133 | return err; | |
1134 | } | |
1135 | ||
1136 | data->isoc_altsetting = altsetting; | |
1137 | ||
1138 | data->isoc_tx_ep = NULL; | |
1139 | data->isoc_rx_ep = NULL; | |
1140 | ||
1141 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1142 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1143 | ||
1144 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1145 | data->isoc_tx_ep = ep_desc; | |
1146 | continue; | |
1147 | } | |
1148 | ||
1149 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1150 | data->isoc_rx_ep = ep_desc; | |
1151 | continue; | |
1152 | } | |
1153 | } | |
1154 | ||
1155 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
1156 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
1157 | return -ENODEV; | |
1158 | } | |
1159 | ||
1160 | return 0; | |
1161 | } | |
1162 | ||
5e23b923 MH |
1163 | static void btusb_work(struct work_struct *work) |
1164 | { | |
1165 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1166 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1167 | int new_alts; |
7bee549e | 1168 | int err; |
5e23b923 | 1169 | |
014f7bc7 | 1170 | if (data->sco_num > 0) { |
08b8b6c4 | 1171 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1172 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1173 | if (err < 0) { |
1174 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1175 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1176 | return; | |
1177 | } | |
1178 | ||
08b8b6c4 | 1179 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1180 | } |
f4001d28 MA |
1181 | |
1182 | if (hdev->voice_setting & 0x0020) { | |
1183 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1184 | |
014f7bc7 | 1185 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1186 | } else { |
014f7bc7 | 1187 | new_alts = data->sco_num; |
f4001d28 MA |
1188 | } |
1189 | ||
1190 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
1191 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1192 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1193 | ||
f4001d28 | 1194 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1195 | return; |
1196 | } | |
1197 | ||
1198 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1199 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1200 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1201 | else | |
2eda66f4 | 1202 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1203 | } |
1204 | } else { | |
1205 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1206 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1207 | ||
1208 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1209 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1210 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1211 | } |
1212 | } | |
1213 | ||
7bee549e ON |
1214 | static void btusb_waker(struct work_struct *work) |
1215 | { | |
1216 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1217 | int err; | |
1218 | ||
1219 | err = usb_autopm_get_interface(data->intf); | |
1220 | if (err < 0) | |
1221 | return; | |
1222 | ||
1223 | usb_autopm_put_interface(data->intf); | |
1224 | } | |
1225 | ||
9f8f962c MH |
1226 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1227 | { | |
1228 | struct sk_buff *skb; | |
1229 | u8 val = 0x00; | |
1230 | ||
1231 | BT_DBG("%s", hdev->name); | |
1232 | ||
1233 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1234 | if (IS_ERR(skb)) | |
1235 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
1236 | else | |
1237 | kfree_skb(skb); | |
1238 | ||
1239 | return 0; | |
1240 | } | |
1241 | ||
81cac64b MH |
1242 | static int btusb_setup_csr(struct hci_dev *hdev) |
1243 | { | |
1244 | struct hci_rp_read_local_version *rp; | |
1245 | struct sk_buff *skb; | |
1246 | int ret; | |
1247 | ||
1248 | BT_DBG("%s", hdev->name); | |
1249 | ||
1250 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1251 | HCI_INIT_TIMEOUT); | |
1252 | if (IS_ERR(skb)) { | |
1253 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); | |
1254 | return -PTR_ERR(skb); | |
1255 | } | |
1256 | ||
89e7533d | 1257 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b MH |
1258 | |
1259 | if (!rp->status) { | |
1260 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
1261 | /* Clear the reset quirk since this is not an actual | |
1262 | * early Bluetooth 1.1 device from CSR. | |
1263 | */ | |
1264 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
1265 | ||
1266 | /* These fake CSR controllers have all a broken | |
1267 | * stored link key handling and so just disable it. | |
1268 | */ | |
1269 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
1270 | &hdev->quirks); | |
1271 | } | |
1272 | } | |
1273 | ||
1274 | ret = -bt_to_errno(rp->status); | |
1275 | ||
1276 | kfree_skb(skb); | |
1277 | ||
1278 | return ret; | |
1279 | } | |
1280 | ||
dffd30ee THJA |
1281 | struct intel_version { |
1282 | u8 status; | |
1283 | u8 hw_platform; | |
1284 | u8 hw_variant; | |
1285 | u8 hw_revision; | |
1286 | u8 fw_variant; | |
1287 | u8 fw_revision; | |
1288 | u8 fw_build_num; | |
1289 | u8 fw_build_ww; | |
1290 | u8 fw_build_yy; | |
1291 | u8 fw_patch_num; | |
1292 | } __packed; | |
1293 | ||
1294 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
89e7533d | 1295 | struct intel_version *ver) |
dffd30ee THJA |
1296 | { |
1297 | const struct firmware *fw; | |
1298 | char fwname[64]; | |
1299 | int ret; | |
1300 | ||
1301 | snprintf(fwname, sizeof(fwname), | |
1302 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1303 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1304 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1305 | ver->fw_build_ww, ver->fw_build_yy); | |
1306 | ||
1307 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1308 | if (ret < 0) { | |
1309 | if (ret == -EINVAL) { | |
1310 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1311 | hdev->name, ret); | |
1312 | return NULL; | |
1313 | } | |
1314 | ||
1315 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1316 | hdev->name, fwname, ret); | |
1317 | ||
1318 | /* If the correct firmware patch file is not found, use the | |
1319 | * default firmware patch file instead | |
1320 | */ | |
1321 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1322 | ver->hw_platform, ver->hw_variant); | |
1323 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1324 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1325 | hdev->name, fwname); | |
1326 | return NULL; | |
1327 | } | |
1328 | } | |
1329 | ||
1330 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1331 | ||
1332 | return fw; | |
1333 | } | |
1334 | ||
1335 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1336 | const struct firmware *fw, | |
1337 | const u8 **fw_ptr, int *disable_patch) | |
1338 | { | |
1339 | struct sk_buff *skb; | |
1340 | struct hci_command_hdr *cmd; | |
1341 | const u8 *cmd_param; | |
1342 | struct hci_event_hdr *evt = NULL; | |
1343 | const u8 *evt_param = NULL; | |
1344 | int remain = fw->size - (*fw_ptr - fw->data); | |
1345 | ||
1346 | /* The first byte indicates the types of the patch command or event. | |
1347 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1348 | * in the current firmware buffer doesn't start with 0x01 or | |
1349 | * the size of remain buffer is smaller than HCI command header, | |
1350 | * the firmware file is corrupted and it should stop the patching | |
1351 | * process. | |
1352 | */ | |
1353 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1354 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1355 | return -EINVAL; | |
1356 | } | |
1357 | (*fw_ptr)++; | |
1358 | remain--; | |
1359 | ||
1360 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1361 | *fw_ptr += sizeof(*cmd); | |
1362 | remain -= sizeof(*cmd); | |
1363 | ||
1364 | /* Ensure that the remain firmware data is long enough than the length | |
1365 | * of command parameter. If not, the firmware file is corrupted. | |
1366 | */ | |
1367 | if (remain < cmd->plen) { | |
1368 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1369 | return -EFAULT; | |
1370 | } | |
1371 | ||
1372 | /* If there is a command that loads a patch in the firmware | |
1373 | * file, then enable the patch upon success, otherwise just | |
1374 | * disable the manufacturer mode, for example patch activation | |
1375 | * is not required when the default firmware patch file is used | |
1376 | * because there are no patch data to load. | |
1377 | */ | |
1378 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1379 | *disable_patch = 0; | |
1380 | ||
1381 | cmd_param = *fw_ptr; | |
1382 | *fw_ptr += cmd->plen; | |
1383 | remain -= cmd->plen; | |
1384 | ||
1385 | /* This reads the expected events when the above command is sent to the | |
1386 | * device. Some vendor commands expects more than one events, for | |
1387 | * example command status event followed by vendor specific event. | |
1388 | * For this case, it only keeps the last expected event. so the command | |
1389 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1390 | * last expected event. | |
1391 | */ | |
1392 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1393 | (*fw_ptr)++; | |
1394 | remain--; | |
1395 | ||
1396 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1397 | *fw_ptr += sizeof(*evt); | |
1398 | remain -= sizeof(*evt); | |
1399 | ||
1400 | if (remain < evt->plen) { | |
1401 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1402 | hdev->name); | |
1403 | return -EFAULT; | |
1404 | } | |
1405 | ||
1406 | evt_param = *fw_ptr; | |
1407 | *fw_ptr += evt->plen; | |
1408 | remain -= evt->plen; | |
1409 | } | |
1410 | ||
1411 | /* Every HCI commands in the firmware file has its correspond event. | |
1412 | * If event is not found or remain is smaller than zero, the firmware | |
1413 | * file is corrupted. | |
1414 | */ | |
1415 | if (!evt || !evt_param || remain < 0) { | |
1416 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1417 | return -EFAULT; | |
1418 | } | |
1419 | ||
1420 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1421 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1422 | if (IS_ERR(skb)) { | |
1423 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1424 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1425 | return PTR_ERR(skb); |
dffd30ee THJA |
1426 | } |
1427 | ||
1428 | /* It ensures that the returned event matches the event data read from | |
1429 | * the firmware file. At fist, it checks the length and then | |
1430 | * the contents of the event. | |
1431 | */ | |
1432 | if (skb->len != evt->plen) { | |
1433 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1434 | le16_to_cpu(cmd->opcode)); | |
1435 | kfree_skb(skb); | |
1436 | return -EFAULT; | |
1437 | } | |
1438 | ||
1439 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1440 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1441 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1442 | kfree_skb(skb); | |
1443 | return -EFAULT; | |
1444 | } | |
1445 | kfree_skb(skb); | |
1446 | ||
1447 | return 0; | |
1448 | } | |
1449 | ||
40cb0984 MH |
1450 | #define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}}) |
1451 | ||
1452 | static int btusb_check_bdaddr_intel(struct hci_dev *hdev) | |
1453 | { | |
1454 | struct sk_buff *skb; | |
1455 | struct hci_rp_read_bd_addr *rp; | |
1456 | ||
1457 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1458 | HCI_INIT_TIMEOUT); | |
1459 | if (IS_ERR(skb)) { | |
1460 | BT_ERR("%s reading Intel device address failed (%ld)", | |
1461 | hdev->name, PTR_ERR(skb)); | |
1462 | return PTR_ERR(skb); | |
1463 | } | |
1464 | ||
1465 | if (skb->len != sizeof(*rp)) { | |
1466 | BT_ERR("%s Intel device address length mismatch", hdev->name); | |
1467 | kfree_skb(skb); | |
1468 | return -EIO; | |
1469 | } | |
1470 | ||
89e7533d | 1471 | rp = (struct hci_rp_read_bd_addr *)skb->data; |
40cb0984 MH |
1472 | if (rp->status) { |
1473 | BT_ERR("%s Intel device address result failed (%02x)", | |
1474 | hdev->name, rp->status); | |
1475 | kfree_skb(skb); | |
1476 | return -bt_to_errno(rp->status); | |
1477 | } | |
1478 | ||
1479 | /* For some Intel based controllers, the default Bluetooth device | |
1480 | * address 00:03:19:9E:8B:00 can be found. These controllers are | |
1481 | * fully operational, but have the danger of duplicate addresses | |
1482 | * and that in turn can cause problems with Bluetooth operation. | |
1483 | */ | |
4739b5b1 | 1484 | if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) { |
40cb0984 MH |
1485 | BT_ERR("%s found Intel default device address (%pMR)", |
1486 | hdev->name, &rp->bdaddr); | |
4739b5b1 MH |
1487 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1488 | } | |
40cb0984 MH |
1489 | |
1490 | kfree_skb(skb); | |
1491 | ||
1492 | return 0; | |
1493 | } | |
1494 | ||
dffd30ee THJA |
1495 | static int btusb_setup_intel(struct hci_dev *hdev) |
1496 | { | |
1497 | struct sk_buff *skb; | |
1498 | const struct firmware *fw; | |
1499 | const u8 *fw_ptr; | |
1500 | int disable_patch; | |
1501 | struct intel_version *ver; | |
1502 | ||
1503 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1504 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1505 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1506 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1507 | ||
1508 | BT_DBG("%s", hdev->name); | |
1509 | ||
1510 | /* The controller has a bug with the first HCI command sent to it | |
1511 | * returning number of completed commands as zero. This would stall the | |
1512 | * command processing in the Bluetooth core. | |
1513 | * | |
1514 | * As a workaround, send HCI Reset command first which will reset the | |
1515 | * number of completed commands and allow normal command processing | |
1516 | * from now on. | |
1517 | */ | |
1518 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1519 | if (IS_ERR(skb)) { | |
1520 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1521 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1522 | return PTR_ERR(skb); |
dffd30ee THJA |
1523 | } |
1524 | kfree_skb(skb); | |
1525 | ||
1526 | /* Read Intel specific controller version first to allow selection of | |
1527 | * which firmware file to load. | |
1528 | * | |
1529 | * The returned information are hardware variant and revision plus | |
1530 | * firmware variant, revision and build number. | |
1531 | */ | |
1532 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1533 | if (IS_ERR(skb)) { | |
1534 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1535 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1536 | return PTR_ERR(skb); |
dffd30ee THJA |
1537 | } |
1538 | ||
1539 | if (skb->len != sizeof(*ver)) { | |
1540 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1541 | kfree_skb(skb); | |
1542 | return -EIO; | |
1543 | } | |
1544 | ||
1545 | ver = (struct intel_version *)skb->data; | |
1546 | if (ver->status) { | |
1547 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1548 | ver->status); | |
1549 | kfree_skb(skb); | |
1550 | return -bt_to_errno(ver->status); | |
1551 | } | |
1552 | ||
1553 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1554 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1555 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1556 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1557 | ver->fw_patch_num); | |
1558 | ||
1559 | /* fw_patch_num indicates the version of patch the device currently | |
1560 | * have. If there is no patch data in the device, it is always 0x00. | |
1561 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1562 | */ | |
1563 | if (ver->fw_patch_num) { | |
1564 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1565 | hdev->name, ver->fw_patch_num); | |
1566 | kfree_skb(skb); | |
40cb0984 | 1567 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1568 | return 0; |
1569 | } | |
1570 | ||
1571 | /* Opens the firmware patch file based on the firmware version read | |
1572 | * from the controller. If it fails to open the matching firmware | |
1573 | * patch file, it tries to open the default firmware patch file. | |
1574 | * If no patch file is found, allow the device to operate without | |
1575 | * a patch. | |
1576 | */ | |
1577 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1578 | if (!fw) { | |
1579 | kfree_skb(skb); | |
40cb0984 | 1580 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1581 | return 0; |
1582 | } | |
1583 | fw_ptr = fw->data; | |
1584 | ||
1585 | /* This Intel specific command enables the manufacturer mode of the | |
1586 | * controller. | |
1587 | * | |
1588 | * Only while this mode is enabled, the driver can download the | |
1589 | * firmware patch data and configuration parameters. | |
1590 | */ | |
1591 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1592 | if (IS_ERR(skb)) { | |
1593 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1594 | hdev->name, PTR_ERR(skb)); | |
1595 | release_firmware(fw); | |
d9c78e97 | 1596 | return PTR_ERR(skb); |
dffd30ee THJA |
1597 | } |
1598 | ||
1599 | if (skb->data[0]) { | |
1600 | u8 evt_status = skb->data[0]; | |
89e7533d | 1601 | |
dffd30ee THJA |
1602 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", |
1603 | hdev->name, evt_status); | |
1604 | kfree_skb(skb); | |
1605 | release_firmware(fw); | |
1606 | return -bt_to_errno(evt_status); | |
1607 | } | |
1608 | kfree_skb(skb); | |
1609 | ||
1610 | disable_patch = 1; | |
1611 | ||
1612 | /* The firmware data file consists of list of Intel specific HCI | |
1613 | * commands and its expected events. The first byte indicates the | |
1614 | * type of the message, either HCI command or HCI event. | |
1615 | * | |
1616 | * It reads the command and its expected event from the firmware file, | |
1617 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1618 | * the returned event is compared with the event read from the firmware | |
1619 | * file and it will continue until all the messages are downloaded to | |
1620 | * the controller. | |
1621 | * | |
1622 | * Once the firmware patching is completed successfully, | |
1623 | * the manufacturer mode is disabled with reset and activating the | |
1624 | * downloaded patch. | |
1625 | * | |
1626 | * If the firmware patching fails, the manufacturer mode is | |
1627 | * disabled with reset and deactivating the patch. | |
1628 | * | |
1629 | * If the default patch file is used, no reset is done when disabling | |
1630 | * the manufacturer. | |
1631 | */ | |
1632 | while (fw->size > fw_ptr - fw->data) { | |
1633 | int ret; | |
1634 | ||
1635 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1636 | &disable_patch); | |
1637 | if (ret < 0) | |
1638 | goto exit_mfg_deactivate; | |
1639 | } | |
1640 | ||
1641 | release_firmware(fw); | |
1642 | ||
1643 | if (disable_patch) | |
1644 | goto exit_mfg_disable; | |
1645 | ||
1646 | /* Patching completed successfully and disable the manufacturer mode | |
1647 | * with reset and activate the downloaded firmware patches. | |
1648 | */ | |
1649 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1650 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1651 | if (IS_ERR(skb)) { | |
1652 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1653 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1654 | return PTR_ERR(skb); |
dffd30ee THJA |
1655 | } |
1656 | kfree_skb(skb); | |
1657 | ||
1658 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1659 | hdev->name); | |
1660 | ||
40cb0984 | 1661 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1662 | return 0; |
1663 | ||
1664 | exit_mfg_disable: | |
1665 | /* Disable the manufacturer mode without reset */ | |
1666 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1667 | HCI_INIT_TIMEOUT); | |
1668 | if (IS_ERR(skb)) { | |
1669 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1670 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1671 | return PTR_ERR(skb); |
dffd30ee THJA |
1672 | } |
1673 | kfree_skb(skb); | |
1674 | ||
1675 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 MH |
1676 | |
1677 | btusb_check_bdaddr_intel(hdev); | |
dffd30ee THJA |
1678 | return 0; |
1679 | ||
1680 | exit_mfg_deactivate: | |
1681 | release_firmware(fw); | |
1682 | ||
1683 | /* Patching failed. Disable the manufacturer mode with reset and | |
1684 | * deactivate the downloaded firmware patches. | |
1685 | */ | |
1686 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1687 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1688 | if (IS_ERR(skb)) { | |
1689 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1690 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1691 | return PTR_ERR(skb); |
dffd30ee THJA |
1692 | } |
1693 | kfree_skb(skb); | |
1694 | ||
1695 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1696 | hdev->name); | |
1697 | ||
40cb0984 | 1698 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1699 | return 0; |
1700 | } | |
1701 | ||
cb8d6597 MH |
1702 | static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1703 | { | |
1704 | struct sk_buff *skb; | |
1705 | long ret; | |
1706 | ||
1707 | skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1708 | if (IS_ERR(skb)) { | |
1709 | ret = PTR_ERR(skb); | |
1710 | BT_ERR("%s: changing Intel device address failed (%ld)", | |
89e7533d | 1711 | hdev->name, ret); |
cb8d6597 MH |
1712 | return ret; |
1713 | } | |
1714 | kfree_skb(skb); | |
1715 | ||
1716 | return 0; | |
1717 | } | |
1718 | ||
ae8df494 AK |
1719 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
1720 | const bdaddr_t *bdaddr) | |
1721 | { | |
1722 | struct sk_buff *skb; | |
1723 | u8 buf[8]; | |
1724 | long ret; | |
1725 | ||
1726 | buf[0] = 0xfe; | |
1727 | buf[1] = sizeof(bdaddr_t); | |
1728 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
1729 | ||
1730 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
1731 | if (IS_ERR(skb)) { | |
1732 | ret = PTR_ERR(skb); | |
1733 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
1734 | hdev->name, ret); | |
1735 | return ret; | |
1736 | } | |
1737 | kfree_skb(skb); | |
1738 | ||
1739 | return 0; | |
1740 | } | |
1741 | ||
c8abb73f MH |
1742 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) |
1743 | ||
10d4c673 PG |
1744 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
1745 | { | |
1746 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1747 | struct usb_device *udev = data->udev; | |
1748 | char fw_name[64]; | |
1749 | const struct firmware *fw; | |
1750 | const u8 *fw_ptr; | |
1751 | size_t fw_size; | |
1752 | const struct hci_command_hdr *cmd; | |
1753 | const u8 *cmd_param; | |
1754 | u16 opcode; | |
1755 | struct sk_buff *skb; | |
1756 | struct hci_rp_read_local_version *ver; | |
c8abb73f | 1757 | struct hci_rp_read_bd_addr *bda; |
10d4c673 PG |
1758 | long ret; |
1759 | ||
1760 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd", | |
1761 | udev->product ? udev->product : "BCM", | |
1762 | le16_to_cpu(udev->descriptor.idVendor), | |
1763 | le16_to_cpu(udev->descriptor.idProduct)); | |
1764 | ||
1765 | ret = request_firmware(&fw, fw_name, &hdev->dev); | |
1766 | if (ret < 0) { | |
c8abb73f | 1767 | BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name); |
10d4c673 PG |
1768 | return 0; |
1769 | } | |
1770 | ||
1771 | /* Reset */ | |
1772 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1773 | if (IS_ERR(skb)) { | |
1774 | ret = PTR_ERR(skb); | |
1775 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1776 | goto done; | |
1777 | } | |
1778 | kfree_skb(skb); | |
1779 | ||
1780 | /* Read Local Version Info */ | |
1781 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1782 | HCI_INIT_TIMEOUT); | |
1783 | if (IS_ERR(skb)) { | |
1784 | ret = PTR_ERR(skb); | |
1785 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
89e7533d | 1786 | hdev->name, ret); |
10d4c673 PG |
1787 | goto done; |
1788 | } | |
1789 | ||
1790 | if (skb->len != sizeof(*ver)) { | |
1791 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
89e7533d | 1792 | hdev->name); |
10d4c673 PG |
1793 | kfree_skb(skb); |
1794 | ret = -EIO; | |
1795 | goto done; | |
1796 | } | |
1797 | ||
89e7533d | 1798 | ver = (struct hci_rp_read_local_version *)skb->data; |
10d4c673 PG |
1799 | BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
1800 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1801 | ver->lmp_ver, ver->lmp_subver); | |
1802 | kfree_skb(skb); | |
1803 | ||
1804 | /* Start Download */ | |
1805 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); | |
1806 | if (IS_ERR(skb)) { | |
1807 | ret = PTR_ERR(skb); | |
1808 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", | |
89e7533d | 1809 | hdev->name, ret); |
10d4c673 PG |
1810 | goto reset_fw; |
1811 | } | |
1812 | kfree_skb(skb); | |
1813 | ||
1814 | /* 50 msec delay after Download Minidrv completes */ | |
1815 | msleep(50); | |
1816 | ||
1817 | fw_ptr = fw->data; | |
1818 | fw_size = fw->size; | |
1819 | ||
1820 | while (fw_size >= sizeof(*cmd)) { | |
89e7533d | 1821 | cmd = (struct hci_command_hdr *)fw_ptr; |
10d4c673 PG |
1822 | fw_ptr += sizeof(*cmd); |
1823 | fw_size -= sizeof(*cmd); | |
1824 | ||
1825 | if (fw_size < cmd->plen) { | |
1826 | BT_ERR("%s: BCM: patch %s is corrupted", | |
89e7533d | 1827 | hdev->name, fw_name); |
10d4c673 PG |
1828 | ret = -EINVAL; |
1829 | goto reset_fw; | |
1830 | } | |
1831 | ||
1832 | cmd_param = fw_ptr; | |
1833 | fw_ptr += cmd->plen; | |
1834 | fw_size -= cmd->plen; | |
1835 | ||
1836 | opcode = le16_to_cpu(cmd->opcode); | |
1837 | ||
1838 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, | |
1839 | HCI_INIT_TIMEOUT); | |
1840 | if (IS_ERR(skb)) { | |
1841 | ret = PTR_ERR(skb); | |
1842 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", | |
89e7533d | 1843 | hdev->name, opcode, ret); |
10d4c673 PG |
1844 | goto reset_fw; |
1845 | } | |
1846 | kfree_skb(skb); | |
1847 | } | |
1848 | ||
1849 | /* 250 msec delay after Launch Ram completes */ | |
1850 | msleep(250); | |
1851 | ||
1852 | reset_fw: | |
1853 | /* Reset */ | |
1854 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1855 | if (IS_ERR(skb)) { | |
1856 | ret = PTR_ERR(skb); | |
1857 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1858 | goto done; | |
1859 | } | |
1860 | kfree_skb(skb); | |
1861 | ||
1862 | /* Read Local Version Info */ | |
1863 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1864 | HCI_INIT_TIMEOUT); | |
1865 | if (IS_ERR(skb)) { | |
1866 | ret = PTR_ERR(skb); | |
1867 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
89e7533d | 1868 | hdev->name, ret); |
10d4c673 PG |
1869 | goto done; |
1870 | } | |
1871 | ||
1872 | if (skb->len != sizeof(*ver)) { | |
1873 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
89e7533d | 1874 | hdev->name); |
10d4c673 PG |
1875 | kfree_skb(skb); |
1876 | ret = -EIO; | |
1877 | goto done; | |
1878 | } | |
1879 | ||
89e7533d | 1880 | ver = (struct hci_rp_read_local_version *)skb->data; |
10d4c673 PG |
1881 | BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
1882 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1883 | ver->lmp_ver, ver->lmp_subver); | |
1884 | kfree_skb(skb); | |
1885 | ||
c8abb73f MH |
1886 | /* Read BD Address */ |
1887 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1888 | HCI_INIT_TIMEOUT); | |
1889 | if (IS_ERR(skb)) { | |
1890 | ret = PTR_ERR(skb); | |
1891 | BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)", | |
89e7533d | 1892 | hdev->name, ret); |
c8abb73f MH |
1893 | goto done; |
1894 | } | |
1895 | ||
1896 | if (skb->len != sizeof(*bda)) { | |
1897 | BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch", | |
89e7533d | 1898 | hdev->name); |
c8abb73f MH |
1899 | kfree_skb(skb); |
1900 | ret = -EIO; | |
1901 | goto done; | |
1902 | } | |
1903 | ||
89e7533d | 1904 | bda = (struct hci_rp_read_bd_addr *)skb->data; |
c8abb73f MH |
1905 | if (bda->status) { |
1906 | BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)", | |
1907 | hdev->name, bda->status); | |
1908 | kfree_skb(skb); | |
1909 | ret = -bt_to_errno(bda->status); | |
1910 | goto done; | |
1911 | } | |
1912 | ||
1913 | /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller | |
1914 | * with no configured address. | |
1915 | */ | |
849e5086 | 1916 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) { |
c8abb73f MH |
1917 | BT_INFO("%s: BCM: using default device address (%pMR)", |
1918 | hdev->name, &bda->bdaddr); | |
849e5086 MH |
1919 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1920 | } | |
c8abb73f MH |
1921 | |
1922 | kfree_skb(skb); | |
1923 | ||
10d4c673 PG |
1924 | done: |
1925 | release_firmware(fw); | |
1926 | ||
1927 | return ret; | |
1928 | } | |
1929 | ||
abbaf50e MH |
1930 | static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1931 | { | |
1932 | struct sk_buff *skb; | |
1933 | long ret; | |
1934 | ||
1935 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1936 | if (IS_ERR(skb)) { | |
1937 | ret = PTR_ERR(skb); | |
1938 | BT_ERR("%s: BCM: Change address command failed (%ld)", | |
89e7533d | 1939 | hdev->name, ret); |
abbaf50e MH |
1940 | return ret; |
1941 | } | |
1942 | kfree_skb(skb); | |
1943 | ||
1944 | return 0; | |
1945 | } | |
1946 | ||
5859223e TK |
1947 | static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev, |
1948 | const bdaddr_t *bdaddr) | |
1949 | { | |
1950 | struct sk_buff *skb; | |
1951 | u8 buf[10]; | |
1952 | long ret; | |
1953 | ||
1954 | buf[0] = 0x01; | |
1955 | buf[1] = 0x01; | |
1956 | buf[2] = 0x00; | |
1957 | buf[3] = sizeof(bdaddr_t); | |
1958 | memcpy(buf + 4, bdaddr, sizeof(bdaddr_t)); | |
1959 | ||
1960 | skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
1961 | if (IS_ERR(skb)) { | |
1962 | ret = PTR_ERR(skb); | |
1963 | BT_ERR("%s: Change address command failed (%ld)", | |
1964 | hdev->name, ret); | |
1965 | return ret; | |
1966 | } | |
1967 | kfree_skb(skb); | |
1968 | ||
1969 | return 0; | |
1970 | } | |
1971 | ||
5e23b923 | 1972 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 1973 | const struct usb_device_id *id) |
5e23b923 MH |
1974 | { |
1975 | struct usb_endpoint_descriptor *ep_desc; | |
1976 | struct btusb_data *data; | |
1977 | struct hci_dev *hdev; | |
1978 | int i, err; | |
1979 | ||
1980 | BT_DBG("intf %p id %p", intf, id); | |
1981 | ||
cfeb4145 | 1982 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1983 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1984 | return -ENODEV; | |
1985 | ||
1986 | if (!id->driver_info) { | |
1987 | const struct usb_device_id *match; | |
89e7533d | 1988 | |
5e23b923 MH |
1989 | match = usb_match_id(intf, blacklist_table); |
1990 | if (match) | |
1991 | id = match; | |
1992 | } | |
1993 | ||
cfeb4145 MH |
1994 | if (id->driver_info == BTUSB_IGNORE) |
1995 | return -ENODEV; | |
1996 | ||
2d25f8b4 SL |
1997 | if (id->driver_info & BTUSB_ATH3012) { |
1998 | struct usb_device *udev = interface_to_usbdev(intf); | |
1999 | ||
2000 | /* Old firmware would otherwise let ath3k driver load | |
2001 | * patch and sysconfig files */ | |
2002 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
2003 | return -ENODEV; | |
2004 | } | |
2005 | ||
98921dbd | 2006 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
2007 | if (!data) |
2008 | return -ENOMEM; | |
2009 | ||
2010 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
2011 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
2012 | ||
2013 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
2014 | data->intr_ep = ep_desc; | |
2015 | continue; | |
2016 | } | |
2017 | ||
2018 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
2019 | data->bulk_tx_ep = ep_desc; | |
2020 | continue; | |
2021 | } | |
2022 | ||
2023 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
2024 | data->bulk_rx_ep = ep_desc; | |
2025 | continue; | |
2026 | } | |
2027 | } | |
2028 | ||
98921dbd | 2029 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 2030 | return -ENODEV; |
5e23b923 | 2031 | |
7a9d4020 MH |
2032 | data->cmdreq_type = USB_TYPE_CLASS; |
2033 | ||
5e23b923 | 2034 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2035 | data->intf = intf; |
5e23b923 | 2036 | |
5e23b923 | 2037 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2038 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2039 | init_usb_anchor(&data->deferred); |
2040 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2041 | spin_lock_init(&data->txlock); |
5e23b923 | 2042 | |
5e23b923 MH |
2043 | init_usb_anchor(&data->intr_anchor); |
2044 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 2045 | init_usb_anchor(&data->isoc_anchor); |
803b5836 | 2046 | spin_lock_init(&data->rxlock); |
5e23b923 | 2047 | |
2cbd3f5c MH |
2048 | data->recv_bulk = btusb_recv_bulk; |
2049 | ||
5e23b923 | 2050 | hdev = hci_alloc_dev(); |
98921dbd | 2051 | if (!hdev) |
5e23b923 | 2052 | return -ENOMEM; |
5e23b923 | 2053 | |
c13854ce | 2054 | hdev->bus = HCI_USB; |
155961e8 | 2055 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
2056 | |
2057 | data->hdev = hdev; | |
2058 | ||
2059 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
2060 | ||
9f8f962c MH |
2061 | hdev->open = btusb_open; |
2062 | hdev->close = btusb_close; | |
2063 | hdev->flush = btusb_flush; | |
2064 | hdev->send = btusb_send_frame; | |
2065 | hdev->notify = btusb_notify; | |
2066 | ||
2067 | if (id->driver_info & BTUSB_BCM92035) | |
2068 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 2069 | |
abbaf50e | 2070 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
10d4c673 | 2071 | hdev->setup = btusb_setup_bcm_patchram; |
abbaf50e | 2072 | hdev->set_bdaddr = btusb_set_bdaddr_bcm; |
27c3fbe0 | 2073 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
abbaf50e | 2074 | } |
10d4c673 | 2075 | |
cb8d6597 | 2076 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 2077 | hdev->setup = btusb_setup_intel; |
cb8d6597 MH |
2078 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
2079 | } | |
dffd30ee | 2080 | |
ae8df494 AK |
2081 | if (id->driver_info & BTUSB_MARVELL) |
2082 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
2083 | ||
d57dbe77 MH |
2084 | if (id->driver_info & BTUSB_AVM) |
2085 | set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks); | |
2086 | ||
40df783d MH |
2087 | if (id->driver_info & BTUSB_INTEL_BOOT) |
2088 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2089 | ||
5859223e TK |
2090 | if (id->driver_info & BTUSB_ATH3012) |
2091 | hdev->set_bdaddr = btusb_set_bdaddr_ath3012; | |
2092 | ||
7a9d4020 | 2093 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
2094 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
2095 | ||
7a9d4020 | 2096 | if (!reset) |
a6c511c6 | 2097 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
2098 | |
2099 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
2100 | if (!disable_scofix) | |
2101 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
2102 | } | |
2103 | ||
9bfa35fe MH |
2104 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
2105 | data->isoc = NULL; | |
2106 | ||
7a9d4020 MH |
2107 | if (id->driver_info & BTUSB_DIGIANSWER) { |
2108 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 2109 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
2110 | } |
2111 | ||
2112 | if (id->driver_info & BTUSB_CSR) { | |
2113 | struct usb_device *udev = data->udev; | |
81cac64b | 2114 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
2115 | |
2116 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 2117 | if (bcdDevice < 0x117) |
a6c511c6 | 2118 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
2119 | |
2120 | /* Fake CSR devices with broken commands */ | |
2121 | if (bcdDevice <= 0x100) | |
2122 | hdev->setup = btusb_setup_csr; | |
7a9d4020 MH |
2123 | } |
2124 | ||
cfeb4145 | 2125 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 2126 | struct usb_device *udev = data->udev; |
cfeb4145 | 2127 | |
7a9d4020 | 2128 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
2129 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
2130 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2131 | } | |
2132 | ||
3a5ef20c MH |
2133 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
2134 | /* A bug in the bootloader causes that interrupt interface is | |
2135 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
2136 | */ | |
2137 | err = usb_set_interface(data->udev, 0, 0); | |
2138 | if (err < 0) { | |
2139 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
2140 | hci_free_dev(hdev); | |
2141 | return err; | |
2142 | } | |
2143 | } | |
2144 | ||
9bfa35fe MH |
2145 | if (data->isoc) { |
2146 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 2147 | data->isoc, data); |
9bfa35fe MH |
2148 | if (err < 0) { |
2149 | hci_free_dev(hdev); | |
9bfa35fe MH |
2150 | return err; |
2151 | } | |
2152 | } | |
2153 | ||
5e23b923 MH |
2154 | err = hci_register_dev(hdev); |
2155 | if (err < 0) { | |
2156 | hci_free_dev(hdev); | |
5e23b923 MH |
2157 | return err; |
2158 | } | |
2159 | ||
2160 | usb_set_intfdata(intf, data); | |
2161 | ||
2162 | return 0; | |
2163 | } | |
2164 | ||
2165 | static void btusb_disconnect(struct usb_interface *intf) | |
2166 | { | |
2167 | struct btusb_data *data = usb_get_intfdata(intf); | |
2168 | struct hci_dev *hdev; | |
2169 | ||
2170 | BT_DBG("intf %p", intf); | |
2171 | ||
2172 | if (!data) | |
2173 | return; | |
2174 | ||
2175 | hdev = data->hdev; | |
5fbcd260 MH |
2176 | usb_set_intfdata(data->intf, NULL); |
2177 | ||
2178 | if (data->isoc) | |
2179 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
2180 | |
2181 | hci_unregister_dev(hdev); | |
2182 | ||
5fbcd260 MH |
2183 | if (intf == data->isoc) |
2184 | usb_driver_release_interface(&btusb_driver, data->intf); | |
2185 | else if (data->isoc) | |
2186 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
2187 | ||
803b5836 | 2188 | btusb_free_frags(data); |
5e23b923 MH |
2189 | hci_free_dev(hdev); |
2190 | } | |
2191 | ||
7bee549e | 2192 | #ifdef CONFIG_PM |
6a88adf2 MH |
2193 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
2194 | { | |
2195 | struct btusb_data *data = usb_get_intfdata(intf); | |
2196 | ||
2197 | BT_DBG("intf %p", intf); | |
2198 | ||
2199 | if (data->suspend_count++) | |
2200 | return 0; | |
2201 | ||
7bee549e | 2202 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 2203 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
2204 | set_bit(BTUSB_SUSPENDING, &data->flags); |
2205 | spin_unlock_irq(&data->txlock); | |
2206 | } else { | |
2207 | spin_unlock_irq(&data->txlock); | |
2208 | data->suspend_count--; | |
2209 | return -EBUSY; | |
2210 | } | |
2211 | ||
6a88adf2 MH |
2212 | cancel_work_sync(&data->work); |
2213 | ||
7bee549e | 2214 | btusb_stop_traffic(data); |
6a88adf2 MH |
2215 | usb_kill_anchored_urbs(&data->tx_anchor); |
2216 | ||
6a88adf2 MH |
2217 | return 0; |
2218 | } | |
2219 | ||
7bee549e ON |
2220 | static void play_deferred(struct btusb_data *data) |
2221 | { | |
2222 | struct urb *urb; | |
2223 | int err; | |
2224 | ||
2225 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
2226 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
2227 | if (err < 0) | |
2228 | break; | |
2229 | ||
2230 | data->tx_in_flight++; | |
2231 | } | |
2232 | usb_scuttle_anchored_urbs(&data->deferred); | |
2233 | } | |
2234 | ||
6a88adf2 MH |
2235 | static int btusb_resume(struct usb_interface *intf) |
2236 | { | |
2237 | struct btusb_data *data = usb_get_intfdata(intf); | |
2238 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 2239 | int err = 0; |
6a88adf2 MH |
2240 | |
2241 | BT_DBG("intf %p", intf); | |
2242 | ||
2243 | if (--data->suspend_count) | |
2244 | return 0; | |
2245 | ||
2246 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 2247 | goto done; |
6a88adf2 MH |
2248 | |
2249 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
2250 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
2251 | if (err < 0) { | |
2252 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 2253 | goto failed; |
6a88adf2 MH |
2254 | } |
2255 | } | |
2256 | ||
2257 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
2258 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
2259 | if (err < 0) { | |
6a88adf2 | 2260 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
2261 | goto failed; |
2262 | } | |
2263 | ||
2264 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
2265 | } |
2266 | ||
2267 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2268 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
2269 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
2270 | else | |
2271 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
2272 | } | |
2273 | ||
7bee549e ON |
2274 | spin_lock_irq(&data->txlock); |
2275 | play_deferred(data); | |
2276 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2277 | spin_unlock_irq(&data->txlock); | |
2278 | schedule_work(&data->work); | |
2279 | ||
6a88adf2 | 2280 | return 0; |
7bee549e ON |
2281 | |
2282 | failed: | |
2283 | usb_scuttle_anchored_urbs(&data->deferred); | |
2284 | done: | |
2285 | spin_lock_irq(&data->txlock); | |
2286 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2287 | spin_unlock_irq(&data->txlock); | |
2288 | ||
2289 | return err; | |
6a88adf2 | 2290 | } |
7bee549e | 2291 | #endif |
6a88adf2 | 2292 | |
5e23b923 MH |
2293 | static struct usb_driver btusb_driver = { |
2294 | .name = "btusb", | |
2295 | .probe = btusb_probe, | |
2296 | .disconnect = btusb_disconnect, | |
7bee549e | 2297 | #ifdef CONFIG_PM |
6a88adf2 MH |
2298 | .suspend = btusb_suspend, |
2299 | .resume = btusb_resume, | |
7bee549e | 2300 | #endif |
5e23b923 | 2301 | .id_table = btusb_table, |
7bee549e | 2302 | .supports_autosuspend = 1, |
e1f12eb6 | 2303 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
2304 | }; |
2305 | ||
93f1508c | 2306 | module_usb_driver(btusb_driver); |
5e23b923 | 2307 | |
cfeb4145 MH |
2308 | module_param(disable_scofix, bool, 0644); |
2309 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
2310 | ||
2311 | module_param(force_scofix, bool, 0644); | |
2312 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
2313 | ||
2314 | module_param(reset, bool, 0644); | |
2315 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
2316 | ||
5e23b923 MH |
2317 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
2318 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
2319 | MODULE_VERSION(VERSION); | |
2320 | MODULE_LICENSE("GPL"); |