Commit | Line | Data |
---|---|---|
5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
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 |
5e23b923 | 52 | |
54265202 | 53 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
54 | /* Generic Bluetooth USB device */ |
55 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
56 | ||
1fa6535f HR |
57 | /* Apple-specific (Broadcom) devices */ |
58 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, | |
59 | ||
178c059e CYC |
60 | /* MediaTek MT76x0E */ |
61 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
62 | ||
c510eae3 | 63 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 64 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 65 | |
3cd01976 NI |
66 | /* Apple MacBookPro 7,1 */ |
67 | { USB_DEVICE(0x05ac, 0x8213) }, | |
68 | ||
0a79f674 CL |
69 | /* Apple iMac11,1 */ |
70 | { USB_DEVICE(0x05ac, 0x8215) }, | |
71 | ||
9c047157 NI |
72 | /* Apple MacBookPro6,2 */ |
73 | { USB_DEVICE(0x05ac, 0x8218) }, | |
74 | ||
3e3ede7d EH |
75 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
76 | { USB_DEVICE(0x05ac, 0x821b) }, | |
77 | ||
a63b723d PAVM |
78 | /* Apple MacBookAir4,1 */ |
79 | { USB_DEVICE(0x05ac, 0x821f) }, | |
80 | ||
88d377b6 MAP |
81 | /* Apple MacBookPro8,2 */ |
82 | { USB_DEVICE(0x05ac, 0x821a) }, | |
83 | ||
f78b6826 JK |
84 | /* Apple MacMini5,1 */ |
85 | { USB_DEVICE(0x05ac, 0x8281) }, | |
86 | ||
cfeb4145 MH |
87 | /* AVM BlueFRITZ! USB v2.0 */ |
88 | { USB_DEVICE(0x057c, 0x3800) }, | |
89 | ||
90 | /* Bluetooth Ultraport Module from IBM */ | |
91 | { USB_DEVICE(0x04bf, 0x030a) }, | |
92 | ||
93 | /* ALPS Modules with non-standard id */ | |
94 | { USB_DEVICE(0x044e, 0x3001) }, | |
95 | { USB_DEVICE(0x044e, 0x3002) }, | |
96 | ||
97 | /* Ericsson with non-standard id */ | |
98 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
99 | ||
100 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 101 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 102 | |
d13431ca | 103 | /* Broadcom BCM20702A0 */ |
0b880062 AS |
104 | { USB_DEVICE(0x0489, 0xe042) }, |
105 | { USB_DEVICE(0x04ca, 0x2003) }, | |
1ee3ff61 | 106 | { USB_DEVICE(0x0b05, 0x17b5) }, |
38a172be | 107 | { USB_DEVICE(0x0b05, 0x17cb) }, |
d13431ca WJS |
108 | { USB_DEVICE(0x413c, 0x8197) }, |
109 | ||
98514036 | 110 | /* Foxconn - Hon Hai */ |
ee66401b | 111 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
98514036 | 112 | |
0b880062 | 113 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
114 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
115 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 116 | |
c2aef6e8 MH |
117 | /* ASUSTek Computer - Broadcom based */ |
118 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01) }, | |
119 | ||
5bcecf32 KB |
120 | /* Belkin F8065bf - Broadcom based */ |
121 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, | |
122 | ||
9113bfd8 JK |
123 | /* IMC Networks - Broadcom based */ |
124 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, | |
125 | ||
40df783d | 126 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
127 | { USB_DEVICE(0x8087, 0x0a5a), |
128 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 129 | |
5e23b923 MH |
130 | { } /* Terminating entry */ |
131 | }; | |
132 | ||
133 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
134 | ||
54265202 | 135 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
136 | /* CSR BlueCore devices */ |
137 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
138 | ||
139 | /* Broadcom BCM2033 without firmware */ | |
140 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
141 | ||
be93112a | 142 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
143 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
144 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
145 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, | |
be93112a | 146 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 147 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 148 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 149 | |
509e7861 CYC |
150 | /* Atheros AR9285 Malbec with sflash firmware */ |
151 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
152 | ||
d9f51b51 | 153 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
154 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
155 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
156 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
157 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
158 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
4b552bc9 | 159 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
160 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
161 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
162 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
163 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 164 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
165 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
166 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
167 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, | |
168 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
89d2975f | 169 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 170 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 171 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 172 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 173 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 174 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 175 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 176 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 177 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 178 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 179 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 180 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 181 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
182 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
183 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 184 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 185 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 186 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 187 | |
e9036e33 CYC |
188 | /* Atheros AR5BBU12 with sflash firmware */ |
189 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
190 | ||
85d59726 | 191 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 192 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 193 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 194 | |
cfeb4145 | 195 | /* Broadcom BCM2035 */ |
7a9d4020 | 196 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
197 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
198 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
199 | |
200 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
201 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
202 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 203 | |
cfeb4145 | 204 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
205 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
206 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
207 | |
208 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 209 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
210 | |
211 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 212 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 213 | |
5ddd4a60 | 214 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 215 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 216 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 217 | |
7a9d4020 MH |
218 | /* Belkin F8T012 and F8T013 devices */ |
219 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
220 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 221 | |
5ddd4a60 MH |
222 | /* Asus WL-BTD202 device */ |
223 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
224 | ||
225 | /* Kensington Bluetooth USB adapter */ | |
226 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
227 | ||
cfeb4145 MH |
228 | /* RTX Telecom based adapters with buggy SCO support */ |
229 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
230 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
231 | ||
232 | /* CONWISE Technology based adapters with buggy SCO support */ | |
233 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
234 | ||
cfeb4145 MH |
235 | /* Digianswer devices */ |
236 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
237 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
238 | ||
239 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
240 | { USB_DEVICE(0x0a12, 0x0002), |
241 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
242 | |
243 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
244 | { USB_DEVICE(0x16d3, 0x0002), |
245 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 246 | |
dffd30ee THJA |
247 | /* Intel Bluetooth device */ |
248 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
ef4e5e4a | 249 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
dffd30ee | 250 | |
ae8df494 AK |
251 | /* Marvell device */ |
252 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
253 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
254 | ||
5e23b923 MH |
255 | { } /* Terminating entry */ |
256 | }; | |
257 | ||
9bfa35fe MH |
258 | #define BTUSB_MAX_ISOC_FRAMES 10 |
259 | ||
5e23b923 MH |
260 | #define BTUSB_INTR_RUNNING 0 |
261 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 262 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 263 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 264 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
265 | |
266 | struct btusb_data { | |
267 | struct hci_dev *hdev; | |
268 | struct usb_device *udev; | |
5fbcd260 | 269 | struct usb_interface *intf; |
9bfa35fe | 270 | struct usb_interface *isoc; |
5e23b923 | 271 | |
5e23b923 MH |
272 | unsigned long flags; |
273 | ||
274 | struct work_struct work; | |
7bee549e | 275 | struct work_struct waker; |
5e23b923 | 276 | |
803b5836 | 277 | struct usb_anchor deferred; |
5e23b923 | 278 | struct usb_anchor tx_anchor; |
803b5836 MH |
279 | int tx_in_flight; |
280 | spinlock_t txlock; | |
281 | ||
5e23b923 MH |
282 | struct usb_anchor intr_anchor; |
283 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 284 | struct usb_anchor isoc_anchor; |
803b5836 MH |
285 | spinlock_t rxlock; |
286 | ||
287 | struct sk_buff *evt_skb; | |
288 | struct sk_buff *acl_skb; | |
289 | struct sk_buff *sco_skb; | |
5e23b923 MH |
290 | |
291 | struct usb_endpoint_descriptor *intr_ep; | |
292 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
293 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
294 | struct usb_endpoint_descriptor *isoc_tx_ep; |
295 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
296 | ||
7a9d4020 MH |
297 | __u8 cmdreq_type; |
298 | ||
43c2e57f | 299 | unsigned int sco_num; |
9bfa35fe | 300 | int isoc_altsetting; |
6a88adf2 | 301 | int suspend_count; |
5e23b923 MH |
302 | }; |
303 | ||
803b5836 MH |
304 | static inline void btusb_free_frags(struct btusb_data *data) |
305 | { | |
306 | unsigned long flags; | |
307 | ||
308 | spin_lock_irqsave(&data->rxlock, flags); | |
309 | ||
310 | kfree_skb(data->evt_skb); | |
311 | data->evt_skb = NULL; | |
312 | ||
313 | kfree_skb(data->acl_skb); | |
314 | data->acl_skb = NULL; | |
315 | ||
316 | kfree_skb(data->sco_skb); | |
317 | data->sco_skb = NULL; | |
318 | ||
319 | spin_unlock_irqrestore(&data->rxlock, flags); | |
320 | } | |
321 | ||
1ffa4ad0 MH |
322 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
323 | { | |
803b5836 MH |
324 | struct sk_buff *skb; |
325 | int err = 0; | |
326 | ||
327 | spin_lock(&data->rxlock); | |
328 | skb = data->evt_skb; | |
329 | ||
330 | while (count) { | |
331 | int len; | |
332 | ||
333 | if (!skb) { | |
334 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
335 | if (!skb) { | |
336 | err = -ENOMEM; | |
337 | break; | |
338 | } | |
339 | ||
340 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
341 | bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE; | |
342 | } | |
343 | ||
344 | len = min_t(uint, bt_cb(skb)->expect, count); | |
345 | memcpy(skb_put(skb, len), buffer, len); | |
346 | ||
347 | count -= len; | |
348 | buffer += len; | |
349 | bt_cb(skb)->expect -= len; | |
350 | ||
351 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
352 | /* Complete event header */ | |
353 | bt_cb(skb)->expect = hci_event_hdr(skb)->plen; | |
354 | ||
355 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
356 | kfree_skb(skb); | |
357 | skb = NULL; | |
358 | ||
359 | err = -EILSEQ; | |
360 | break; | |
361 | } | |
362 | } | |
363 | ||
364 | if (bt_cb(skb)->expect == 0) { | |
365 | /* Complete frame */ | |
366 | hci_recv_frame(data->hdev, skb); | |
367 | skb = NULL; | |
368 | } | |
369 | } | |
370 | ||
371 | data->evt_skb = skb; | |
372 | spin_unlock(&data->rxlock); | |
373 | ||
374 | return err; | |
1ffa4ad0 MH |
375 | } |
376 | ||
377 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
378 | { | |
803b5836 MH |
379 | struct sk_buff *skb; |
380 | int err = 0; | |
381 | ||
382 | spin_lock(&data->rxlock); | |
383 | skb = data->acl_skb; | |
384 | ||
385 | while (count) { | |
386 | int len; | |
387 | ||
388 | if (!skb) { | |
389 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
390 | if (!skb) { | |
391 | err = -ENOMEM; | |
392 | break; | |
393 | } | |
394 | ||
395 | bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; | |
396 | bt_cb(skb)->expect = HCI_ACL_HDR_SIZE; | |
397 | } | |
398 | ||
399 | len = min_t(uint, bt_cb(skb)->expect, count); | |
400 | memcpy(skb_put(skb, len), buffer, len); | |
401 | ||
402 | count -= len; | |
403 | buffer += len; | |
404 | bt_cb(skb)->expect -= len; | |
405 | ||
406 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
407 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
408 | ||
409 | /* Complete ACL header */ | |
410 | bt_cb(skb)->expect = __le16_to_cpu(dlen); | |
411 | ||
412 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
413 | kfree_skb(skb); | |
414 | skb = NULL; | |
415 | ||
416 | err = -EILSEQ; | |
417 | break; | |
418 | } | |
419 | } | |
420 | ||
421 | if (bt_cb(skb)->expect == 0) { | |
422 | /* Complete frame */ | |
423 | hci_recv_frame(data->hdev, skb); | |
424 | skb = NULL; | |
425 | } | |
426 | } | |
427 | ||
428 | data->acl_skb = skb; | |
429 | spin_unlock(&data->rxlock); | |
430 | ||
431 | return err; | |
1ffa4ad0 MH |
432 | } |
433 | ||
434 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
435 | { | |
803b5836 MH |
436 | struct sk_buff *skb; |
437 | int err = 0; | |
438 | ||
439 | spin_lock(&data->rxlock); | |
440 | skb = data->sco_skb; | |
441 | ||
442 | while (count) { | |
443 | int len; | |
444 | ||
445 | if (!skb) { | |
446 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
447 | if (!skb) { | |
448 | err = -ENOMEM; | |
449 | break; | |
450 | } | |
451 | ||
452 | bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; | |
453 | bt_cb(skb)->expect = HCI_SCO_HDR_SIZE; | |
454 | } | |
455 | ||
456 | len = min_t(uint, bt_cb(skb)->expect, count); | |
457 | memcpy(skb_put(skb, len), buffer, len); | |
458 | ||
459 | count -= len; | |
460 | buffer += len; | |
461 | bt_cb(skb)->expect -= len; | |
462 | ||
463 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
464 | /* Complete SCO header */ | |
465 | bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen; | |
466 | ||
467 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
468 | kfree_skb(skb); | |
469 | skb = NULL; | |
470 | ||
471 | err = -EILSEQ; | |
472 | break; | |
473 | } | |
474 | } | |
475 | ||
476 | if (bt_cb(skb)->expect == 0) { | |
477 | /* Complete frame */ | |
478 | hci_recv_frame(data->hdev, skb); | |
479 | skb = NULL; | |
480 | } | |
481 | } | |
482 | ||
483 | data->sco_skb = skb; | |
484 | spin_unlock(&data->rxlock); | |
485 | ||
486 | return err; | |
1ffa4ad0 MH |
487 | } |
488 | ||
5e23b923 MH |
489 | static void btusb_intr_complete(struct urb *urb) |
490 | { | |
491 | struct hci_dev *hdev = urb->context; | |
155961e8 | 492 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
493 | int err; |
494 | ||
89e7533d MH |
495 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
496 | urb->actual_length); | |
5e23b923 MH |
497 | |
498 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
499 | return; | |
500 | ||
501 | if (urb->status == 0) { | |
9bfa35fe MH |
502 | hdev->stat.byte_rx += urb->actual_length; |
503 | ||
1ffa4ad0 MH |
504 | if (btusb_recv_intr(data, urb->transfer_buffer, |
505 | urb->actual_length) < 0) { | |
5e23b923 MH |
506 | BT_ERR("%s corrupted event packet", hdev->name); |
507 | hdev->stat.err_rx++; | |
508 | } | |
85560c4a CC |
509 | } else if (urb->status == -ENOENT) { |
510 | /* Avoid suspend failed when usb_kill_urb */ | |
511 | return; | |
5e23b923 MH |
512 | } |
513 | ||
514 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
515 | return; | |
516 | ||
7bee549e | 517 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
518 | usb_anchor_urb(urb, &data->intr_anchor); |
519 | ||
520 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
521 | if (err < 0) { | |
4935f1c1 PB |
522 | /* -EPERM: urb is being killed; |
523 | * -ENODEV: device got disconnected */ | |
524 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 525 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 526 | hdev->name, urb, -err); |
5e23b923 MH |
527 | usb_unanchor_urb(urb); |
528 | } | |
529 | } | |
530 | ||
2eda66f4 | 531 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 532 | { |
155961e8 | 533 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
534 | struct urb *urb; |
535 | unsigned char *buf; | |
536 | unsigned int pipe; | |
537 | int err, size; | |
538 | ||
539 | BT_DBG("%s", hdev->name); | |
540 | ||
9bfa35fe MH |
541 | if (!data->intr_ep) |
542 | return -ENODEV; | |
543 | ||
2eda66f4 | 544 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
545 | if (!urb) |
546 | return -ENOMEM; | |
547 | ||
548 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
549 | ||
2eda66f4 | 550 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
551 | if (!buf) { |
552 | usb_free_urb(urb); | |
553 | return -ENOMEM; | |
554 | } | |
555 | ||
556 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
557 | ||
558 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 559 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
560 | |
561 | urb->transfer_flags |= URB_FREE_BUFFER; | |
562 | ||
563 | usb_anchor_urb(urb, &data->intr_anchor); | |
564 | ||
2eda66f4 | 565 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 566 | if (err < 0) { |
d4b8d1c9 PB |
567 | if (err != -EPERM && err != -ENODEV) |
568 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 569 | hdev->name, urb, -err); |
5e23b923 | 570 | usb_unanchor_urb(urb); |
5e23b923 MH |
571 | } |
572 | ||
573 | usb_free_urb(urb); | |
574 | ||
575 | return err; | |
576 | } | |
577 | ||
578 | static void btusb_bulk_complete(struct urb *urb) | |
579 | { | |
580 | struct hci_dev *hdev = urb->context; | |
155961e8 | 581 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
582 | int err; |
583 | ||
89e7533d MH |
584 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
585 | urb->actual_length); | |
5e23b923 MH |
586 | |
587 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
588 | return; | |
589 | ||
590 | if (urb->status == 0) { | |
9bfa35fe MH |
591 | hdev->stat.byte_rx += urb->actual_length; |
592 | ||
1ffa4ad0 MH |
593 | if (btusb_recv_bulk(data, urb->transfer_buffer, |
594 | urb->actual_length) < 0) { | |
5e23b923 MH |
595 | BT_ERR("%s corrupted ACL packet", hdev->name); |
596 | hdev->stat.err_rx++; | |
597 | } | |
85560c4a CC |
598 | } else if (urb->status == -ENOENT) { |
599 | /* Avoid suspend failed when usb_kill_urb */ | |
600 | return; | |
5e23b923 MH |
601 | } |
602 | ||
603 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
604 | return; | |
605 | ||
606 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 607 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
608 | |
609 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
610 | if (err < 0) { | |
4935f1c1 PB |
611 | /* -EPERM: urb is being killed; |
612 | * -ENODEV: device got disconnected */ | |
613 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 614 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 615 | hdev->name, urb, -err); |
5e23b923 MH |
616 | usb_unanchor_urb(urb); |
617 | } | |
618 | } | |
619 | ||
2eda66f4 | 620 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 621 | { |
155961e8 | 622 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
623 | struct urb *urb; |
624 | unsigned char *buf; | |
625 | unsigned int pipe; | |
290ba200 | 626 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
627 | |
628 | BT_DBG("%s", hdev->name); | |
629 | ||
9bfa35fe MH |
630 | if (!data->bulk_rx_ep) |
631 | return -ENODEV; | |
632 | ||
2eda66f4 | 633 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
634 | if (!urb) |
635 | return -ENOMEM; | |
636 | ||
2eda66f4 | 637 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
638 | if (!buf) { |
639 | usb_free_urb(urb); | |
640 | return -ENOMEM; | |
641 | } | |
642 | ||
643 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
644 | ||
89e7533d MH |
645 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
646 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
647 | |
648 | urb->transfer_flags |= URB_FREE_BUFFER; | |
649 | ||
7bee549e | 650 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
651 | usb_anchor_urb(urb, &data->bulk_anchor); |
652 | ||
2eda66f4 | 653 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 654 | if (err < 0) { |
d4b8d1c9 PB |
655 | if (err != -EPERM && err != -ENODEV) |
656 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 657 | hdev->name, urb, -err); |
5e23b923 | 658 | usb_unanchor_urb(urb); |
5e23b923 MH |
659 | } |
660 | ||
661 | usb_free_urb(urb); | |
662 | ||
663 | return err; | |
664 | } | |
665 | ||
9bfa35fe MH |
666 | static void btusb_isoc_complete(struct urb *urb) |
667 | { | |
668 | struct hci_dev *hdev = urb->context; | |
155961e8 | 669 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
670 | int i, err; |
671 | ||
89e7533d MH |
672 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
673 | urb->actual_length); | |
9bfa35fe MH |
674 | |
675 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
676 | return; | |
677 | ||
678 | if (urb->status == 0) { | |
679 | for (i = 0; i < urb->number_of_packets; i++) { | |
680 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
681 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
682 | ||
683 | if (urb->iso_frame_desc[i].status) | |
684 | continue; | |
685 | ||
686 | hdev->stat.byte_rx += length; | |
687 | ||
1ffa4ad0 MH |
688 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
689 | length) < 0) { | |
9bfa35fe MH |
690 | BT_ERR("%s corrupted SCO packet", hdev->name); |
691 | hdev->stat.err_rx++; | |
692 | } | |
693 | } | |
85560c4a CC |
694 | } else if (urb->status == -ENOENT) { |
695 | /* Avoid suspend failed when usb_kill_urb */ | |
696 | return; | |
9bfa35fe MH |
697 | } |
698 | ||
699 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
700 | return; | |
701 | ||
702 | usb_anchor_urb(urb, &data->isoc_anchor); | |
703 | ||
704 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
705 | if (err < 0) { | |
4935f1c1 PB |
706 | /* -EPERM: urb is being killed; |
707 | * -ENODEV: device got disconnected */ | |
708 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 709 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 710 | hdev->name, urb, -err); |
9bfa35fe MH |
711 | usb_unanchor_urb(urb); |
712 | } | |
713 | } | |
714 | ||
42b16b3f | 715 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
716 | { |
717 | int i, offset = 0; | |
718 | ||
719 | BT_DBG("len %d mtu %d", len, mtu); | |
720 | ||
721 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
722 | i++, offset += mtu, len -= mtu) { | |
723 | urb->iso_frame_desc[i].offset = offset; | |
724 | urb->iso_frame_desc[i].length = mtu; | |
725 | } | |
726 | ||
727 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
728 | urb->iso_frame_desc[i].offset = offset; | |
729 | urb->iso_frame_desc[i].length = len; | |
730 | i++; | |
731 | } | |
732 | ||
733 | urb->number_of_packets = i; | |
734 | } | |
735 | ||
2eda66f4 | 736 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 737 | { |
155961e8 | 738 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
739 | struct urb *urb; |
740 | unsigned char *buf; | |
741 | unsigned int pipe; | |
742 | int err, size; | |
743 | ||
744 | BT_DBG("%s", hdev->name); | |
745 | ||
746 | if (!data->isoc_rx_ep) | |
747 | return -ENODEV; | |
748 | ||
2eda66f4 | 749 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
750 | if (!urb) |
751 | return -ENOMEM; | |
752 | ||
753 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
754 | BTUSB_MAX_ISOC_FRAMES; | |
755 | ||
2eda66f4 | 756 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
757 | if (!buf) { |
758 | usb_free_urb(urb); | |
759 | return -ENOMEM; | |
760 | } | |
761 | ||
762 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
763 | ||
fa0fb93f | 764 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 765 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 766 | |
89e7533d | 767 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
768 | |
769 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 770 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
771 | |
772 | usb_anchor_urb(urb, &data->isoc_anchor); | |
773 | ||
2eda66f4 | 774 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 775 | if (err < 0) { |
d4b8d1c9 PB |
776 | if (err != -EPERM && err != -ENODEV) |
777 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 778 | hdev->name, urb, -err); |
9bfa35fe | 779 | usb_unanchor_urb(urb); |
9bfa35fe MH |
780 | } |
781 | ||
782 | usb_free_urb(urb); | |
783 | ||
784 | return err; | |
785 | } | |
786 | ||
5e23b923 | 787 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
788 | { |
789 | struct sk_buff *skb = urb->context; | |
89e7533d | 790 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 791 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 792 | |
89e7533d MH |
793 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
794 | urb->actual_length); | |
7bee549e ON |
795 | |
796 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
797 | goto done; | |
798 | ||
799 | if (!urb->status) | |
800 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
801 | else | |
802 | hdev->stat.err_tx++; | |
803 | ||
804 | done: | |
805 | spin_lock(&data->txlock); | |
806 | data->tx_in_flight--; | |
807 | spin_unlock(&data->txlock); | |
808 | ||
809 | kfree(urb->setup_packet); | |
810 | ||
811 | kfree_skb(skb); | |
812 | } | |
813 | ||
814 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
815 | { |
816 | struct sk_buff *skb = urb->context; | |
89e7533d | 817 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 818 | |
89e7533d MH |
819 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
820 | urb->actual_length); | |
5e23b923 MH |
821 | |
822 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
823 | goto done; | |
824 | ||
825 | if (!urb->status) | |
826 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
827 | else | |
828 | hdev->stat.err_tx++; | |
829 | ||
830 | done: | |
831 | kfree(urb->setup_packet); | |
832 | ||
833 | kfree_skb(skb); | |
834 | } | |
835 | ||
836 | static int btusb_open(struct hci_dev *hdev) | |
837 | { | |
155961e8 | 838 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
839 | int err; |
840 | ||
841 | BT_DBG("%s", hdev->name); | |
842 | ||
7bee549e ON |
843 | err = usb_autopm_get_interface(data->intf); |
844 | if (err < 0) | |
845 | return err; | |
846 | ||
847 | data->intf->needs_remote_wakeup = 1; | |
848 | ||
5e23b923 | 849 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 850 | goto done; |
5e23b923 MH |
851 | |
852 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 853 | goto done; |
5e23b923 | 854 | |
2eda66f4 | 855 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
856 | if (err < 0) |
857 | goto failed; | |
858 | ||
859 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 860 | if (err < 0) { |
43c2e57f MH |
861 | usb_kill_anchored_urbs(&data->intr_anchor); |
862 | goto failed; | |
5e23b923 MH |
863 | } |
864 | ||
43c2e57f MH |
865 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
866 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
867 | ||
7bee549e ON |
868 | done: |
869 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
870 | return 0; |
871 | ||
872 | failed: | |
873 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
874 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 875 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
876 | return err; |
877 | } | |
878 | ||
7bee549e ON |
879 | static void btusb_stop_traffic(struct btusb_data *data) |
880 | { | |
881 | usb_kill_anchored_urbs(&data->intr_anchor); | |
882 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
883 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
884 | } | |
885 | ||
5e23b923 MH |
886 | static int btusb_close(struct hci_dev *hdev) |
887 | { | |
155961e8 | 888 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 889 | int err; |
5e23b923 MH |
890 | |
891 | BT_DBG("%s", hdev->name); | |
892 | ||
893 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
894 | return 0; | |
895 | ||
e8c3c3d2 | 896 | cancel_work_sync(&data->work); |
404291ac | 897 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 898 | |
9bfa35fe | 899 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 900 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 901 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
902 | |
903 | btusb_stop_traffic(data); | |
803b5836 MH |
904 | btusb_free_frags(data); |
905 | ||
7bee549e ON |
906 | err = usb_autopm_get_interface(data->intf); |
907 | if (err < 0) | |
7b8e2c1d | 908 | goto failed; |
7bee549e ON |
909 | |
910 | data->intf->needs_remote_wakeup = 0; | |
911 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 912 | |
7b8e2c1d ON |
913 | failed: |
914 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
915 | return 0; |
916 | } | |
917 | ||
918 | static int btusb_flush(struct hci_dev *hdev) | |
919 | { | |
155961e8 | 920 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
921 | |
922 | BT_DBG("%s", hdev->name); | |
923 | ||
924 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 925 | btusb_free_frags(data); |
5e23b923 MH |
926 | |
927 | return 0; | |
928 | } | |
929 | ||
047b2ec8 | 930 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 931 | { |
155961e8 | 932 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
933 | struct usb_ctrlrequest *dr; |
934 | struct urb *urb; | |
935 | unsigned int pipe; | |
5e23b923 | 936 | |
047b2ec8 MH |
937 | urb = usb_alloc_urb(0, GFP_KERNEL); |
938 | if (!urb) | |
939 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 940 | |
047b2ec8 MH |
941 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
942 | if (!dr) { | |
943 | usb_free_urb(urb); | |
944 | return ERR_PTR(-ENOMEM); | |
945 | } | |
5e23b923 | 946 | |
047b2ec8 MH |
947 | dr->bRequestType = data->cmdreq_type; |
948 | dr->bRequest = 0; | |
949 | dr->wIndex = 0; | |
950 | dr->wValue = 0; | |
951 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 952 | |
047b2ec8 | 953 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 954 | |
89e7533d | 955 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 956 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 957 | |
89e7533d | 958 | skb->dev = (void *)hdev; |
5e23b923 | 959 | |
047b2ec8 MH |
960 | return urb; |
961 | } | |
5e23b923 | 962 | |
047b2ec8 MH |
963 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
964 | { | |
965 | struct btusb_data *data = hci_get_drvdata(hdev); | |
966 | struct urb *urb; | |
967 | unsigned int pipe; | |
5e23b923 | 968 | |
047b2ec8 MH |
969 | if (!data->bulk_tx_ep) |
970 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 971 | |
047b2ec8 MH |
972 | urb = usb_alloc_urb(0, GFP_KERNEL); |
973 | if (!urb) | |
974 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 975 | |
047b2ec8 | 976 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 977 | |
047b2ec8 MH |
978 | usb_fill_bulk_urb(urb, data->udev, pipe, |
979 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 980 | |
89e7533d | 981 | skb->dev = (void *)hdev; |
5e23b923 | 982 | |
047b2ec8 MH |
983 | return urb; |
984 | } | |
9bfa35fe | 985 | |
047b2ec8 MH |
986 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
987 | { | |
988 | struct btusb_data *data = hci_get_drvdata(hdev); | |
989 | struct urb *urb; | |
990 | unsigned int pipe; | |
9bfa35fe | 991 | |
047b2ec8 MH |
992 | if (!data->isoc_tx_ep) |
993 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 994 | |
047b2ec8 MH |
995 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
996 | if (!urb) | |
997 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 998 | |
047b2ec8 | 999 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1000 | |
047b2ec8 MH |
1001 | usb_fill_int_urb(urb, data->udev, pipe, |
1002 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1003 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1004 | |
047b2ec8 | 1005 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1006 | |
047b2ec8 MH |
1007 | __fill_isoc_descriptor(urb, skb->len, |
1008 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1009 | |
89e7533d | 1010 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1011 | |
1012 | return urb; | |
1013 | } | |
1014 | ||
1015 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1016 | { | |
1017 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1018 | int err; | |
7bee549e | 1019 | |
5e23b923 MH |
1020 | usb_anchor_urb(urb, &data->tx_anchor); |
1021 | ||
e9753eff | 1022 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1023 | if (err < 0) { |
5a9b80e2 PB |
1024 | if (err != -EPERM && err != -ENODEV) |
1025 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 1026 | hdev->name, urb, -err); |
5e23b923 MH |
1027 | kfree(urb->setup_packet); |
1028 | usb_unanchor_urb(urb); | |
7bee549e ON |
1029 | } else { |
1030 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1031 | } |
1032 | ||
54a8a79c | 1033 | usb_free_urb(urb); |
5e23b923 MH |
1034 | return err; |
1035 | } | |
1036 | ||
047b2ec8 MH |
1037 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1038 | { | |
1039 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1040 | unsigned long flags; | |
1041 | bool suspending; | |
1042 | ||
1043 | spin_lock_irqsave(&data->txlock, flags); | |
1044 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1045 | if (!suspending) | |
1046 | data->tx_in_flight++; | |
1047 | spin_unlock_irqrestore(&data->txlock, flags); | |
1048 | ||
1049 | if (!suspending) | |
1050 | return submit_tx_urb(hdev, urb); | |
1051 | ||
1052 | usb_anchor_urb(urb, &data->deferred); | |
1053 | schedule_work(&data->waker); | |
1054 | ||
1055 | usb_free_urb(urb); | |
1056 | return 0; | |
1057 | } | |
1058 | ||
1059 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1060 | { | |
1061 | struct urb *urb; | |
1062 | ||
1063 | BT_DBG("%s", hdev->name); | |
1064 | ||
1065 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1066 | return -EBUSY; | |
1067 | ||
1068 | switch (bt_cb(skb)->pkt_type) { | |
1069 | case HCI_COMMAND_PKT: | |
1070 | urb = alloc_ctrl_urb(hdev, skb); | |
1071 | if (IS_ERR(urb)) | |
1072 | return PTR_ERR(urb); | |
1073 | ||
1074 | hdev->stat.cmd_tx++; | |
1075 | return submit_or_queue_tx_urb(hdev, urb); | |
1076 | ||
1077 | case HCI_ACLDATA_PKT: | |
1078 | urb = alloc_bulk_urb(hdev, skb); | |
1079 | if (IS_ERR(urb)) | |
1080 | return PTR_ERR(urb); | |
1081 | ||
1082 | hdev->stat.acl_tx++; | |
1083 | return submit_or_queue_tx_urb(hdev, urb); | |
1084 | ||
1085 | case HCI_SCODATA_PKT: | |
1086 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1087 | return -ENODEV; | |
1088 | ||
1089 | urb = alloc_isoc_urb(hdev, skb); | |
1090 | if (IS_ERR(urb)) | |
1091 | return PTR_ERR(urb); | |
1092 | ||
1093 | hdev->stat.sco_tx++; | |
1094 | return submit_tx_urb(hdev, urb); | |
1095 | } | |
1096 | ||
1097 | return -EILSEQ; | |
1098 | } | |
1099 | ||
5e23b923 MH |
1100 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1101 | { | |
155961e8 | 1102 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1103 | |
1104 | BT_DBG("%s evt %d", hdev->name, evt); | |
1105 | ||
014f7bc7 MH |
1106 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1107 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1108 | schedule_work(&data->work); |
a780efa8 | 1109 | } |
5e23b923 MH |
1110 | } |
1111 | ||
42b16b3f | 1112 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1113 | { |
155961e8 | 1114 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1115 | struct usb_interface *intf = data->isoc; |
1116 | struct usb_endpoint_descriptor *ep_desc; | |
1117 | int i, err; | |
1118 | ||
1119 | if (!data->isoc) | |
1120 | return -ENODEV; | |
1121 | ||
1122 | err = usb_set_interface(data->udev, 1, altsetting); | |
1123 | if (err < 0) { | |
1124 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
1125 | return err; | |
1126 | } | |
1127 | ||
1128 | data->isoc_altsetting = altsetting; | |
1129 | ||
1130 | data->isoc_tx_ep = NULL; | |
1131 | data->isoc_rx_ep = NULL; | |
1132 | ||
1133 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1134 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1135 | ||
1136 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1137 | data->isoc_tx_ep = ep_desc; | |
1138 | continue; | |
1139 | } | |
1140 | ||
1141 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1142 | data->isoc_rx_ep = ep_desc; | |
1143 | continue; | |
1144 | } | |
1145 | } | |
1146 | ||
1147 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
1148 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
1149 | return -ENODEV; | |
1150 | } | |
1151 | ||
1152 | return 0; | |
1153 | } | |
1154 | ||
5e23b923 MH |
1155 | static void btusb_work(struct work_struct *work) |
1156 | { | |
1157 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1158 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1159 | int new_alts; |
7bee549e | 1160 | int err; |
5e23b923 | 1161 | |
014f7bc7 | 1162 | if (data->sco_num > 0) { |
08b8b6c4 | 1163 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1164 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1165 | if (err < 0) { |
1166 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1167 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1168 | return; | |
1169 | } | |
1170 | ||
08b8b6c4 | 1171 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1172 | } |
f4001d28 MA |
1173 | |
1174 | if (hdev->voice_setting & 0x0020) { | |
1175 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1176 | |
014f7bc7 | 1177 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1178 | } else { |
014f7bc7 | 1179 | new_alts = data->sco_num; |
f4001d28 MA |
1180 | } |
1181 | ||
1182 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
1183 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1184 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1185 | ||
f4001d28 | 1186 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1187 | return; |
1188 | } | |
1189 | ||
1190 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1191 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1192 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1193 | else | |
2eda66f4 | 1194 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1195 | } |
1196 | } else { | |
1197 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1198 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1199 | ||
1200 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1201 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1202 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1203 | } |
1204 | } | |
1205 | ||
7bee549e ON |
1206 | static void btusb_waker(struct work_struct *work) |
1207 | { | |
1208 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1209 | int err; | |
1210 | ||
1211 | err = usb_autopm_get_interface(data->intf); | |
1212 | if (err < 0) | |
1213 | return; | |
1214 | ||
1215 | usb_autopm_put_interface(data->intf); | |
1216 | } | |
1217 | ||
9f8f962c MH |
1218 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1219 | { | |
1220 | struct sk_buff *skb; | |
1221 | u8 val = 0x00; | |
1222 | ||
1223 | BT_DBG("%s", hdev->name); | |
1224 | ||
1225 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1226 | if (IS_ERR(skb)) | |
1227 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
1228 | else | |
1229 | kfree_skb(skb); | |
1230 | ||
1231 | return 0; | |
1232 | } | |
1233 | ||
81cac64b MH |
1234 | static int btusb_setup_csr(struct hci_dev *hdev) |
1235 | { | |
1236 | struct hci_rp_read_local_version *rp; | |
1237 | struct sk_buff *skb; | |
1238 | int ret; | |
1239 | ||
1240 | BT_DBG("%s", hdev->name); | |
1241 | ||
1242 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1243 | HCI_INIT_TIMEOUT); | |
1244 | if (IS_ERR(skb)) { | |
1245 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); | |
1246 | return -PTR_ERR(skb); | |
1247 | } | |
1248 | ||
89e7533d | 1249 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b MH |
1250 | |
1251 | if (!rp->status) { | |
1252 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
1253 | /* Clear the reset quirk since this is not an actual | |
1254 | * early Bluetooth 1.1 device from CSR. | |
1255 | */ | |
1256 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
1257 | ||
1258 | /* These fake CSR controllers have all a broken | |
1259 | * stored link key handling and so just disable it. | |
1260 | */ | |
1261 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
1262 | &hdev->quirks); | |
1263 | } | |
1264 | } | |
1265 | ||
1266 | ret = -bt_to_errno(rp->status); | |
1267 | ||
1268 | kfree_skb(skb); | |
1269 | ||
1270 | return ret; | |
1271 | } | |
1272 | ||
dffd30ee THJA |
1273 | struct intel_version { |
1274 | u8 status; | |
1275 | u8 hw_platform; | |
1276 | u8 hw_variant; | |
1277 | u8 hw_revision; | |
1278 | u8 fw_variant; | |
1279 | u8 fw_revision; | |
1280 | u8 fw_build_num; | |
1281 | u8 fw_build_ww; | |
1282 | u8 fw_build_yy; | |
1283 | u8 fw_patch_num; | |
1284 | } __packed; | |
1285 | ||
1286 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
89e7533d | 1287 | struct intel_version *ver) |
dffd30ee THJA |
1288 | { |
1289 | const struct firmware *fw; | |
1290 | char fwname[64]; | |
1291 | int ret; | |
1292 | ||
1293 | snprintf(fwname, sizeof(fwname), | |
1294 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1295 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1296 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1297 | ver->fw_build_ww, ver->fw_build_yy); | |
1298 | ||
1299 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1300 | if (ret < 0) { | |
1301 | if (ret == -EINVAL) { | |
1302 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1303 | hdev->name, ret); | |
1304 | return NULL; | |
1305 | } | |
1306 | ||
1307 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1308 | hdev->name, fwname, ret); | |
1309 | ||
1310 | /* If the correct firmware patch file is not found, use the | |
1311 | * default firmware patch file instead | |
1312 | */ | |
1313 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1314 | ver->hw_platform, ver->hw_variant); | |
1315 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1316 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1317 | hdev->name, fwname); | |
1318 | return NULL; | |
1319 | } | |
1320 | } | |
1321 | ||
1322 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1323 | ||
1324 | return fw; | |
1325 | } | |
1326 | ||
1327 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1328 | const struct firmware *fw, | |
1329 | const u8 **fw_ptr, int *disable_patch) | |
1330 | { | |
1331 | struct sk_buff *skb; | |
1332 | struct hci_command_hdr *cmd; | |
1333 | const u8 *cmd_param; | |
1334 | struct hci_event_hdr *evt = NULL; | |
1335 | const u8 *evt_param = NULL; | |
1336 | int remain = fw->size - (*fw_ptr - fw->data); | |
1337 | ||
1338 | /* The first byte indicates the types of the patch command or event. | |
1339 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1340 | * in the current firmware buffer doesn't start with 0x01 or | |
1341 | * the size of remain buffer is smaller than HCI command header, | |
1342 | * the firmware file is corrupted and it should stop the patching | |
1343 | * process. | |
1344 | */ | |
1345 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1346 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1347 | return -EINVAL; | |
1348 | } | |
1349 | (*fw_ptr)++; | |
1350 | remain--; | |
1351 | ||
1352 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1353 | *fw_ptr += sizeof(*cmd); | |
1354 | remain -= sizeof(*cmd); | |
1355 | ||
1356 | /* Ensure that the remain firmware data is long enough than the length | |
1357 | * of command parameter. If not, the firmware file is corrupted. | |
1358 | */ | |
1359 | if (remain < cmd->plen) { | |
1360 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1361 | return -EFAULT; | |
1362 | } | |
1363 | ||
1364 | /* If there is a command that loads a patch in the firmware | |
1365 | * file, then enable the patch upon success, otherwise just | |
1366 | * disable the manufacturer mode, for example patch activation | |
1367 | * is not required when the default firmware patch file is used | |
1368 | * because there are no patch data to load. | |
1369 | */ | |
1370 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1371 | *disable_patch = 0; | |
1372 | ||
1373 | cmd_param = *fw_ptr; | |
1374 | *fw_ptr += cmd->plen; | |
1375 | remain -= cmd->plen; | |
1376 | ||
1377 | /* This reads the expected events when the above command is sent to the | |
1378 | * device. Some vendor commands expects more than one events, for | |
1379 | * example command status event followed by vendor specific event. | |
1380 | * For this case, it only keeps the last expected event. so the command | |
1381 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1382 | * last expected event. | |
1383 | */ | |
1384 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1385 | (*fw_ptr)++; | |
1386 | remain--; | |
1387 | ||
1388 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1389 | *fw_ptr += sizeof(*evt); | |
1390 | remain -= sizeof(*evt); | |
1391 | ||
1392 | if (remain < evt->plen) { | |
1393 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1394 | hdev->name); | |
1395 | return -EFAULT; | |
1396 | } | |
1397 | ||
1398 | evt_param = *fw_ptr; | |
1399 | *fw_ptr += evt->plen; | |
1400 | remain -= evt->plen; | |
1401 | } | |
1402 | ||
1403 | /* Every HCI commands in the firmware file has its correspond event. | |
1404 | * If event is not found or remain is smaller than zero, the firmware | |
1405 | * file is corrupted. | |
1406 | */ | |
1407 | if (!evt || !evt_param || remain < 0) { | |
1408 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1409 | return -EFAULT; | |
1410 | } | |
1411 | ||
1412 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1413 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1414 | if (IS_ERR(skb)) { | |
1415 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1416 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1417 | return PTR_ERR(skb); |
dffd30ee THJA |
1418 | } |
1419 | ||
1420 | /* It ensures that the returned event matches the event data read from | |
1421 | * the firmware file. At fist, it checks the length and then | |
1422 | * the contents of the event. | |
1423 | */ | |
1424 | if (skb->len != evt->plen) { | |
1425 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1426 | le16_to_cpu(cmd->opcode)); | |
1427 | kfree_skb(skb); | |
1428 | return -EFAULT; | |
1429 | } | |
1430 | ||
1431 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1432 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1433 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1434 | kfree_skb(skb); | |
1435 | return -EFAULT; | |
1436 | } | |
1437 | kfree_skb(skb); | |
1438 | ||
1439 | return 0; | |
1440 | } | |
1441 | ||
40cb0984 MH |
1442 | #define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}}) |
1443 | ||
1444 | static int btusb_check_bdaddr_intel(struct hci_dev *hdev) | |
1445 | { | |
1446 | struct sk_buff *skb; | |
1447 | struct hci_rp_read_bd_addr *rp; | |
1448 | ||
1449 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1450 | HCI_INIT_TIMEOUT); | |
1451 | if (IS_ERR(skb)) { | |
1452 | BT_ERR("%s reading Intel device address failed (%ld)", | |
1453 | hdev->name, PTR_ERR(skb)); | |
1454 | return PTR_ERR(skb); | |
1455 | } | |
1456 | ||
1457 | if (skb->len != sizeof(*rp)) { | |
1458 | BT_ERR("%s Intel device address length mismatch", hdev->name); | |
1459 | kfree_skb(skb); | |
1460 | return -EIO; | |
1461 | } | |
1462 | ||
89e7533d | 1463 | rp = (struct hci_rp_read_bd_addr *)skb->data; |
40cb0984 MH |
1464 | if (rp->status) { |
1465 | BT_ERR("%s Intel device address result failed (%02x)", | |
1466 | hdev->name, rp->status); | |
1467 | kfree_skb(skb); | |
1468 | return -bt_to_errno(rp->status); | |
1469 | } | |
1470 | ||
1471 | /* For some Intel based controllers, the default Bluetooth device | |
1472 | * address 00:03:19:9E:8B:00 can be found. These controllers are | |
1473 | * fully operational, but have the danger of duplicate addresses | |
1474 | * and that in turn can cause problems with Bluetooth operation. | |
1475 | */ | |
4739b5b1 | 1476 | if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) { |
40cb0984 MH |
1477 | BT_ERR("%s found Intel default device address (%pMR)", |
1478 | hdev->name, &rp->bdaddr); | |
4739b5b1 MH |
1479 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1480 | } | |
40cb0984 MH |
1481 | |
1482 | kfree_skb(skb); | |
1483 | ||
1484 | return 0; | |
1485 | } | |
1486 | ||
dffd30ee THJA |
1487 | static int btusb_setup_intel(struct hci_dev *hdev) |
1488 | { | |
1489 | struct sk_buff *skb; | |
1490 | const struct firmware *fw; | |
1491 | const u8 *fw_ptr; | |
1492 | int disable_patch; | |
1493 | struct intel_version *ver; | |
1494 | ||
1495 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1496 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1497 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1498 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1499 | ||
1500 | BT_DBG("%s", hdev->name); | |
1501 | ||
1502 | /* The controller has a bug with the first HCI command sent to it | |
1503 | * returning number of completed commands as zero. This would stall the | |
1504 | * command processing in the Bluetooth core. | |
1505 | * | |
1506 | * As a workaround, send HCI Reset command first which will reset the | |
1507 | * number of completed commands and allow normal command processing | |
1508 | * from now on. | |
1509 | */ | |
1510 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1511 | if (IS_ERR(skb)) { | |
1512 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1513 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1514 | return PTR_ERR(skb); |
dffd30ee THJA |
1515 | } |
1516 | kfree_skb(skb); | |
1517 | ||
1518 | /* Read Intel specific controller version first to allow selection of | |
1519 | * which firmware file to load. | |
1520 | * | |
1521 | * The returned information are hardware variant and revision plus | |
1522 | * firmware variant, revision and build number. | |
1523 | */ | |
1524 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1525 | if (IS_ERR(skb)) { | |
1526 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1527 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1528 | return PTR_ERR(skb); |
dffd30ee THJA |
1529 | } |
1530 | ||
1531 | if (skb->len != sizeof(*ver)) { | |
1532 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1533 | kfree_skb(skb); | |
1534 | return -EIO; | |
1535 | } | |
1536 | ||
1537 | ver = (struct intel_version *)skb->data; | |
1538 | if (ver->status) { | |
1539 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1540 | ver->status); | |
1541 | kfree_skb(skb); | |
1542 | return -bt_to_errno(ver->status); | |
1543 | } | |
1544 | ||
1545 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1546 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1547 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1548 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1549 | ver->fw_patch_num); | |
1550 | ||
1551 | /* fw_patch_num indicates the version of patch the device currently | |
1552 | * have. If there is no patch data in the device, it is always 0x00. | |
1553 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1554 | */ | |
1555 | if (ver->fw_patch_num) { | |
1556 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1557 | hdev->name, ver->fw_patch_num); | |
1558 | kfree_skb(skb); | |
40cb0984 | 1559 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1560 | return 0; |
1561 | } | |
1562 | ||
1563 | /* Opens the firmware patch file based on the firmware version read | |
1564 | * from the controller. If it fails to open the matching firmware | |
1565 | * patch file, it tries to open the default firmware patch file. | |
1566 | * If no patch file is found, allow the device to operate without | |
1567 | * a patch. | |
1568 | */ | |
1569 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1570 | if (!fw) { | |
1571 | kfree_skb(skb); | |
40cb0984 | 1572 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1573 | return 0; |
1574 | } | |
1575 | fw_ptr = fw->data; | |
1576 | ||
1577 | /* This Intel specific command enables the manufacturer mode of the | |
1578 | * controller. | |
1579 | * | |
1580 | * Only while this mode is enabled, the driver can download the | |
1581 | * firmware patch data and configuration parameters. | |
1582 | */ | |
1583 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1584 | if (IS_ERR(skb)) { | |
1585 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1586 | hdev->name, PTR_ERR(skb)); | |
1587 | release_firmware(fw); | |
d9c78e97 | 1588 | return PTR_ERR(skb); |
dffd30ee THJA |
1589 | } |
1590 | ||
1591 | if (skb->data[0]) { | |
1592 | u8 evt_status = skb->data[0]; | |
89e7533d | 1593 | |
dffd30ee THJA |
1594 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", |
1595 | hdev->name, evt_status); | |
1596 | kfree_skb(skb); | |
1597 | release_firmware(fw); | |
1598 | return -bt_to_errno(evt_status); | |
1599 | } | |
1600 | kfree_skb(skb); | |
1601 | ||
1602 | disable_patch = 1; | |
1603 | ||
1604 | /* The firmware data file consists of list of Intel specific HCI | |
1605 | * commands and its expected events. The first byte indicates the | |
1606 | * type of the message, either HCI command or HCI event. | |
1607 | * | |
1608 | * It reads the command and its expected event from the firmware file, | |
1609 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1610 | * the returned event is compared with the event read from the firmware | |
1611 | * file and it will continue until all the messages are downloaded to | |
1612 | * the controller. | |
1613 | * | |
1614 | * Once the firmware patching is completed successfully, | |
1615 | * the manufacturer mode is disabled with reset and activating the | |
1616 | * downloaded patch. | |
1617 | * | |
1618 | * If the firmware patching fails, the manufacturer mode is | |
1619 | * disabled with reset and deactivating the patch. | |
1620 | * | |
1621 | * If the default patch file is used, no reset is done when disabling | |
1622 | * the manufacturer. | |
1623 | */ | |
1624 | while (fw->size > fw_ptr - fw->data) { | |
1625 | int ret; | |
1626 | ||
1627 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1628 | &disable_patch); | |
1629 | if (ret < 0) | |
1630 | goto exit_mfg_deactivate; | |
1631 | } | |
1632 | ||
1633 | release_firmware(fw); | |
1634 | ||
1635 | if (disable_patch) | |
1636 | goto exit_mfg_disable; | |
1637 | ||
1638 | /* Patching completed successfully and disable the manufacturer mode | |
1639 | * with reset and activate the downloaded firmware patches. | |
1640 | */ | |
1641 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1642 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1643 | if (IS_ERR(skb)) { | |
1644 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1645 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1646 | return PTR_ERR(skb); |
dffd30ee THJA |
1647 | } |
1648 | kfree_skb(skb); | |
1649 | ||
1650 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1651 | hdev->name); | |
1652 | ||
40cb0984 | 1653 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1654 | return 0; |
1655 | ||
1656 | exit_mfg_disable: | |
1657 | /* Disable the manufacturer mode without reset */ | |
1658 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1659 | HCI_INIT_TIMEOUT); | |
1660 | if (IS_ERR(skb)) { | |
1661 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1662 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1663 | return PTR_ERR(skb); |
dffd30ee THJA |
1664 | } |
1665 | kfree_skb(skb); | |
1666 | ||
1667 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 MH |
1668 | |
1669 | btusb_check_bdaddr_intel(hdev); | |
dffd30ee THJA |
1670 | return 0; |
1671 | ||
1672 | exit_mfg_deactivate: | |
1673 | release_firmware(fw); | |
1674 | ||
1675 | /* Patching failed. Disable the manufacturer mode with reset and | |
1676 | * deactivate the downloaded firmware patches. | |
1677 | */ | |
1678 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1679 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1680 | if (IS_ERR(skb)) { | |
1681 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1682 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1683 | return PTR_ERR(skb); |
dffd30ee THJA |
1684 | } |
1685 | kfree_skb(skb); | |
1686 | ||
1687 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1688 | hdev->name); | |
1689 | ||
40cb0984 | 1690 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1691 | return 0; |
1692 | } | |
1693 | ||
cb8d6597 MH |
1694 | static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1695 | { | |
1696 | struct sk_buff *skb; | |
1697 | long ret; | |
1698 | ||
1699 | skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1700 | if (IS_ERR(skb)) { | |
1701 | ret = PTR_ERR(skb); | |
1702 | BT_ERR("%s: changing Intel device address failed (%ld)", | |
89e7533d | 1703 | hdev->name, ret); |
cb8d6597 MH |
1704 | return ret; |
1705 | } | |
1706 | kfree_skb(skb); | |
1707 | ||
1708 | return 0; | |
1709 | } | |
1710 | ||
ae8df494 AK |
1711 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
1712 | const bdaddr_t *bdaddr) | |
1713 | { | |
1714 | struct sk_buff *skb; | |
1715 | u8 buf[8]; | |
1716 | long ret; | |
1717 | ||
1718 | buf[0] = 0xfe; | |
1719 | buf[1] = sizeof(bdaddr_t); | |
1720 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
1721 | ||
1722 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
1723 | if (IS_ERR(skb)) { | |
1724 | ret = PTR_ERR(skb); | |
1725 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
1726 | hdev->name, ret); | |
1727 | return ret; | |
1728 | } | |
1729 | kfree_skb(skb); | |
1730 | ||
1731 | return 0; | |
1732 | } | |
1733 | ||
c8abb73f MH |
1734 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) |
1735 | ||
10d4c673 PG |
1736 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
1737 | { | |
1738 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1739 | struct usb_device *udev = data->udev; | |
1740 | char fw_name[64]; | |
1741 | const struct firmware *fw; | |
1742 | const u8 *fw_ptr; | |
1743 | size_t fw_size; | |
1744 | const struct hci_command_hdr *cmd; | |
1745 | const u8 *cmd_param; | |
1746 | u16 opcode; | |
1747 | struct sk_buff *skb; | |
1748 | struct hci_rp_read_local_version *ver; | |
c8abb73f | 1749 | struct hci_rp_read_bd_addr *bda; |
10d4c673 PG |
1750 | long ret; |
1751 | ||
1752 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd", | |
1753 | udev->product ? udev->product : "BCM", | |
1754 | le16_to_cpu(udev->descriptor.idVendor), | |
1755 | le16_to_cpu(udev->descriptor.idProduct)); | |
1756 | ||
1757 | ret = request_firmware(&fw, fw_name, &hdev->dev); | |
1758 | if (ret < 0) { | |
c8abb73f | 1759 | BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name); |
10d4c673 PG |
1760 | return 0; |
1761 | } | |
1762 | ||
1763 | /* Reset */ | |
1764 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1765 | if (IS_ERR(skb)) { | |
1766 | ret = PTR_ERR(skb); | |
1767 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1768 | goto done; | |
1769 | } | |
1770 | kfree_skb(skb); | |
1771 | ||
1772 | /* Read Local Version Info */ | |
1773 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1774 | HCI_INIT_TIMEOUT); | |
1775 | if (IS_ERR(skb)) { | |
1776 | ret = PTR_ERR(skb); | |
1777 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
89e7533d | 1778 | hdev->name, ret); |
10d4c673 PG |
1779 | goto done; |
1780 | } | |
1781 | ||
1782 | if (skb->len != sizeof(*ver)) { | |
1783 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
89e7533d | 1784 | hdev->name); |
10d4c673 PG |
1785 | kfree_skb(skb); |
1786 | ret = -EIO; | |
1787 | goto done; | |
1788 | } | |
1789 | ||
89e7533d | 1790 | ver = (struct hci_rp_read_local_version *)skb->data; |
10d4c673 PG |
1791 | BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
1792 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1793 | ver->lmp_ver, ver->lmp_subver); | |
1794 | kfree_skb(skb); | |
1795 | ||
1796 | /* Start Download */ | |
1797 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); | |
1798 | if (IS_ERR(skb)) { | |
1799 | ret = PTR_ERR(skb); | |
1800 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", | |
89e7533d | 1801 | hdev->name, ret); |
10d4c673 PG |
1802 | goto reset_fw; |
1803 | } | |
1804 | kfree_skb(skb); | |
1805 | ||
1806 | /* 50 msec delay after Download Minidrv completes */ | |
1807 | msleep(50); | |
1808 | ||
1809 | fw_ptr = fw->data; | |
1810 | fw_size = fw->size; | |
1811 | ||
1812 | while (fw_size >= sizeof(*cmd)) { | |
89e7533d | 1813 | cmd = (struct hci_command_hdr *)fw_ptr; |
10d4c673 PG |
1814 | fw_ptr += sizeof(*cmd); |
1815 | fw_size -= sizeof(*cmd); | |
1816 | ||
1817 | if (fw_size < cmd->plen) { | |
1818 | BT_ERR("%s: BCM: patch %s is corrupted", | |
89e7533d | 1819 | hdev->name, fw_name); |
10d4c673 PG |
1820 | ret = -EINVAL; |
1821 | goto reset_fw; | |
1822 | } | |
1823 | ||
1824 | cmd_param = fw_ptr; | |
1825 | fw_ptr += cmd->plen; | |
1826 | fw_size -= cmd->plen; | |
1827 | ||
1828 | opcode = le16_to_cpu(cmd->opcode); | |
1829 | ||
1830 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, | |
1831 | HCI_INIT_TIMEOUT); | |
1832 | if (IS_ERR(skb)) { | |
1833 | ret = PTR_ERR(skb); | |
1834 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", | |
89e7533d | 1835 | hdev->name, opcode, ret); |
10d4c673 PG |
1836 | goto reset_fw; |
1837 | } | |
1838 | kfree_skb(skb); | |
1839 | } | |
1840 | ||
1841 | /* 250 msec delay after Launch Ram completes */ | |
1842 | msleep(250); | |
1843 | ||
1844 | reset_fw: | |
1845 | /* Reset */ | |
1846 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1847 | if (IS_ERR(skb)) { | |
1848 | ret = PTR_ERR(skb); | |
1849 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1850 | goto done; | |
1851 | } | |
1852 | kfree_skb(skb); | |
1853 | ||
1854 | /* Read Local Version Info */ | |
1855 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1856 | HCI_INIT_TIMEOUT); | |
1857 | if (IS_ERR(skb)) { | |
1858 | ret = PTR_ERR(skb); | |
1859 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
89e7533d | 1860 | hdev->name, ret); |
10d4c673 PG |
1861 | goto done; |
1862 | } | |
1863 | ||
1864 | if (skb->len != sizeof(*ver)) { | |
1865 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
89e7533d | 1866 | hdev->name); |
10d4c673 PG |
1867 | kfree_skb(skb); |
1868 | ret = -EIO; | |
1869 | goto done; | |
1870 | } | |
1871 | ||
89e7533d | 1872 | ver = (struct hci_rp_read_local_version *)skb->data; |
10d4c673 PG |
1873 | BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
1874 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1875 | ver->lmp_ver, ver->lmp_subver); | |
1876 | kfree_skb(skb); | |
1877 | ||
c8abb73f MH |
1878 | /* Read BD Address */ |
1879 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1880 | HCI_INIT_TIMEOUT); | |
1881 | if (IS_ERR(skb)) { | |
1882 | ret = PTR_ERR(skb); | |
1883 | BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)", | |
89e7533d | 1884 | hdev->name, ret); |
c8abb73f MH |
1885 | goto done; |
1886 | } | |
1887 | ||
1888 | if (skb->len != sizeof(*bda)) { | |
1889 | BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch", | |
89e7533d | 1890 | hdev->name); |
c8abb73f MH |
1891 | kfree_skb(skb); |
1892 | ret = -EIO; | |
1893 | goto done; | |
1894 | } | |
1895 | ||
89e7533d | 1896 | bda = (struct hci_rp_read_bd_addr *)skb->data; |
c8abb73f MH |
1897 | if (bda->status) { |
1898 | BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)", | |
1899 | hdev->name, bda->status); | |
1900 | kfree_skb(skb); | |
1901 | ret = -bt_to_errno(bda->status); | |
1902 | goto done; | |
1903 | } | |
1904 | ||
1905 | /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller | |
1906 | * with no configured address. | |
1907 | */ | |
849e5086 | 1908 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) { |
c8abb73f MH |
1909 | BT_INFO("%s: BCM: using default device address (%pMR)", |
1910 | hdev->name, &bda->bdaddr); | |
849e5086 MH |
1911 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1912 | } | |
c8abb73f MH |
1913 | |
1914 | kfree_skb(skb); | |
1915 | ||
10d4c673 PG |
1916 | done: |
1917 | release_firmware(fw); | |
1918 | ||
1919 | return ret; | |
1920 | } | |
1921 | ||
abbaf50e MH |
1922 | static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1923 | { | |
1924 | struct sk_buff *skb; | |
1925 | long ret; | |
1926 | ||
1927 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1928 | if (IS_ERR(skb)) { | |
1929 | ret = PTR_ERR(skb); | |
1930 | BT_ERR("%s: BCM: Change address command failed (%ld)", | |
89e7533d | 1931 | hdev->name, ret); |
abbaf50e MH |
1932 | return ret; |
1933 | } | |
1934 | kfree_skb(skb); | |
1935 | ||
1936 | return 0; | |
1937 | } | |
1938 | ||
5e23b923 | 1939 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 1940 | const struct usb_device_id *id) |
5e23b923 MH |
1941 | { |
1942 | struct usb_endpoint_descriptor *ep_desc; | |
1943 | struct btusb_data *data; | |
1944 | struct hci_dev *hdev; | |
1945 | int i, err; | |
1946 | ||
1947 | BT_DBG("intf %p id %p", intf, id); | |
1948 | ||
cfeb4145 | 1949 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1950 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1951 | return -ENODEV; | |
1952 | ||
1953 | if (!id->driver_info) { | |
1954 | const struct usb_device_id *match; | |
89e7533d | 1955 | |
5e23b923 MH |
1956 | match = usb_match_id(intf, blacklist_table); |
1957 | if (match) | |
1958 | id = match; | |
1959 | } | |
1960 | ||
cfeb4145 MH |
1961 | if (id->driver_info == BTUSB_IGNORE) |
1962 | return -ENODEV; | |
1963 | ||
2d25f8b4 SL |
1964 | if (id->driver_info & BTUSB_ATH3012) { |
1965 | struct usb_device *udev = interface_to_usbdev(intf); | |
1966 | ||
1967 | /* Old firmware would otherwise let ath3k driver load | |
1968 | * patch and sysconfig files */ | |
1969 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
1970 | return -ENODEV; | |
1971 | } | |
1972 | ||
98921dbd | 1973 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
1974 | if (!data) |
1975 | return -ENOMEM; | |
1976 | ||
1977 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1978 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1979 | ||
1980 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1981 | data->intr_ep = ep_desc; | |
1982 | continue; | |
1983 | } | |
1984 | ||
1985 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1986 | data->bulk_tx_ep = ep_desc; | |
1987 | continue; | |
1988 | } | |
1989 | ||
1990 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1991 | data->bulk_rx_ep = ep_desc; | |
1992 | continue; | |
1993 | } | |
1994 | } | |
1995 | ||
98921dbd | 1996 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 1997 | return -ENODEV; |
5e23b923 | 1998 | |
7a9d4020 MH |
1999 | data->cmdreq_type = USB_TYPE_CLASS; |
2000 | ||
5e23b923 | 2001 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2002 | data->intf = intf; |
5e23b923 | 2003 | |
5e23b923 | 2004 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2005 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2006 | init_usb_anchor(&data->deferred); |
2007 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2008 | spin_lock_init(&data->txlock); |
5e23b923 | 2009 | |
5e23b923 MH |
2010 | init_usb_anchor(&data->intr_anchor); |
2011 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 2012 | init_usb_anchor(&data->isoc_anchor); |
803b5836 | 2013 | spin_lock_init(&data->rxlock); |
5e23b923 MH |
2014 | |
2015 | hdev = hci_alloc_dev(); | |
98921dbd | 2016 | if (!hdev) |
5e23b923 | 2017 | return -ENOMEM; |
5e23b923 | 2018 | |
c13854ce | 2019 | hdev->bus = HCI_USB; |
155961e8 | 2020 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
2021 | |
2022 | data->hdev = hdev; | |
2023 | ||
2024 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
2025 | ||
9f8f962c MH |
2026 | hdev->open = btusb_open; |
2027 | hdev->close = btusb_close; | |
2028 | hdev->flush = btusb_flush; | |
2029 | hdev->send = btusb_send_frame; | |
2030 | hdev->notify = btusb_notify; | |
2031 | ||
2032 | if (id->driver_info & BTUSB_BCM92035) | |
2033 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 2034 | |
abbaf50e | 2035 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
10d4c673 | 2036 | hdev->setup = btusb_setup_bcm_patchram; |
abbaf50e | 2037 | hdev->set_bdaddr = btusb_set_bdaddr_bcm; |
27c3fbe0 | 2038 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
abbaf50e | 2039 | } |
10d4c673 | 2040 | |
cb8d6597 | 2041 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 2042 | hdev->setup = btusb_setup_intel; |
cb8d6597 MH |
2043 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
2044 | } | |
dffd30ee | 2045 | |
ae8df494 AK |
2046 | if (id->driver_info & BTUSB_MARVELL) |
2047 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
2048 | ||
40df783d MH |
2049 | if (id->driver_info & BTUSB_INTEL_BOOT) |
2050 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2051 | ||
7a9d4020 | 2052 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
2053 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
2054 | ||
7a9d4020 | 2055 | if (!reset) |
a6c511c6 | 2056 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
2057 | |
2058 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
2059 | if (!disable_scofix) | |
2060 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
2061 | } | |
2062 | ||
9bfa35fe MH |
2063 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
2064 | data->isoc = NULL; | |
2065 | ||
7a9d4020 MH |
2066 | if (id->driver_info & BTUSB_DIGIANSWER) { |
2067 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 2068 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
2069 | } |
2070 | ||
2071 | if (id->driver_info & BTUSB_CSR) { | |
2072 | struct usb_device *udev = data->udev; | |
81cac64b | 2073 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
2074 | |
2075 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 2076 | if (bcdDevice < 0x117) |
a6c511c6 | 2077 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
2078 | |
2079 | /* Fake CSR devices with broken commands */ | |
2080 | if (bcdDevice <= 0x100) | |
2081 | hdev->setup = btusb_setup_csr; | |
7a9d4020 MH |
2082 | } |
2083 | ||
cfeb4145 | 2084 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 2085 | struct usb_device *udev = data->udev; |
cfeb4145 | 2086 | |
7a9d4020 | 2087 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
2088 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
2089 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2090 | } | |
2091 | ||
3a5ef20c MH |
2092 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
2093 | /* A bug in the bootloader causes that interrupt interface is | |
2094 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
2095 | */ | |
2096 | err = usb_set_interface(data->udev, 0, 0); | |
2097 | if (err < 0) { | |
2098 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
2099 | hci_free_dev(hdev); | |
2100 | return err; | |
2101 | } | |
2102 | } | |
2103 | ||
9bfa35fe MH |
2104 | if (data->isoc) { |
2105 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 2106 | data->isoc, data); |
9bfa35fe MH |
2107 | if (err < 0) { |
2108 | hci_free_dev(hdev); | |
9bfa35fe MH |
2109 | return err; |
2110 | } | |
2111 | } | |
2112 | ||
5e23b923 MH |
2113 | err = hci_register_dev(hdev); |
2114 | if (err < 0) { | |
2115 | hci_free_dev(hdev); | |
5e23b923 MH |
2116 | return err; |
2117 | } | |
2118 | ||
2119 | usb_set_intfdata(intf, data); | |
2120 | ||
2121 | return 0; | |
2122 | } | |
2123 | ||
2124 | static void btusb_disconnect(struct usb_interface *intf) | |
2125 | { | |
2126 | struct btusb_data *data = usb_get_intfdata(intf); | |
2127 | struct hci_dev *hdev; | |
2128 | ||
2129 | BT_DBG("intf %p", intf); | |
2130 | ||
2131 | if (!data) | |
2132 | return; | |
2133 | ||
2134 | hdev = data->hdev; | |
5fbcd260 MH |
2135 | usb_set_intfdata(data->intf, NULL); |
2136 | ||
2137 | if (data->isoc) | |
2138 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
2139 | |
2140 | hci_unregister_dev(hdev); | |
2141 | ||
5fbcd260 MH |
2142 | if (intf == data->isoc) |
2143 | usb_driver_release_interface(&btusb_driver, data->intf); | |
2144 | else if (data->isoc) | |
2145 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
2146 | ||
803b5836 | 2147 | btusb_free_frags(data); |
5e23b923 MH |
2148 | hci_free_dev(hdev); |
2149 | } | |
2150 | ||
7bee549e | 2151 | #ifdef CONFIG_PM |
6a88adf2 MH |
2152 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
2153 | { | |
2154 | struct btusb_data *data = usb_get_intfdata(intf); | |
2155 | ||
2156 | BT_DBG("intf %p", intf); | |
2157 | ||
2158 | if (data->suspend_count++) | |
2159 | return 0; | |
2160 | ||
7bee549e | 2161 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 2162 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
2163 | set_bit(BTUSB_SUSPENDING, &data->flags); |
2164 | spin_unlock_irq(&data->txlock); | |
2165 | } else { | |
2166 | spin_unlock_irq(&data->txlock); | |
2167 | data->suspend_count--; | |
2168 | return -EBUSY; | |
2169 | } | |
2170 | ||
6a88adf2 MH |
2171 | cancel_work_sync(&data->work); |
2172 | ||
7bee549e | 2173 | btusb_stop_traffic(data); |
6a88adf2 MH |
2174 | usb_kill_anchored_urbs(&data->tx_anchor); |
2175 | ||
6a88adf2 MH |
2176 | return 0; |
2177 | } | |
2178 | ||
7bee549e ON |
2179 | static void play_deferred(struct btusb_data *data) |
2180 | { | |
2181 | struct urb *urb; | |
2182 | int err; | |
2183 | ||
2184 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
2185 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
2186 | if (err < 0) | |
2187 | break; | |
2188 | ||
2189 | data->tx_in_flight++; | |
2190 | } | |
2191 | usb_scuttle_anchored_urbs(&data->deferred); | |
2192 | } | |
2193 | ||
6a88adf2 MH |
2194 | static int btusb_resume(struct usb_interface *intf) |
2195 | { | |
2196 | struct btusb_data *data = usb_get_intfdata(intf); | |
2197 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 2198 | int err = 0; |
6a88adf2 MH |
2199 | |
2200 | BT_DBG("intf %p", intf); | |
2201 | ||
2202 | if (--data->suspend_count) | |
2203 | return 0; | |
2204 | ||
2205 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 2206 | goto done; |
6a88adf2 MH |
2207 | |
2208 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
2209 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
2210 | if (err < 0) { | |
2211 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 2212 | goto failed; |
6a88adf2 MH |
2213 | } |
2214 | } | |
2215 | ||
2216 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
2217 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
2218 | if (err < 0) { | |
6a88adf2 | 2219 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
2220 | goto failed; |
2221 | } | |
2222 | ||
2223 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
2224 | } |
2225 | ||
2226 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2227 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
2228 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
2229 | else | |
2230 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
2231 | } | |
2232 | ||
7bee549e ON |
2233 | spin_lock_irq(&data->txlock); |
2234 | play_deferred(data); | |
2235 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2236 | spin_unlock_irq(&data->txlock); | |
2237 | schedule_work(&data->work); | |
2238 | ||
6a88adf2 | 2239 | return 0; |
7bee549e ON |
2240 | |
2241 | failed: | |
2242 | usb_scuttle_anchored_urbs(&data->deferred); | |
2243 | done: | |
2244 | spin_lock_irq(&data->txlock); | |
2245 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2246 | spin_unlock_irq(&data->txlock); | |
2247 | ||
2248 | return err; | |
6a88adf2 | 2249 | } |
7bee549e | 2250 | #endif |
6a88adf2 | 2251 | |
5e23b923 MH |
2252 | static struct usb_driver btusb_driver = { |
2253 | .name = "btusb", | |
2254 | .probe = btusb_probe, | |
2255 | .disconnect = btusb_disconnect, | |
7bee549e | 2256 | #ifdef CONFIG_PM |
6a88adf2 MH |
2257 | .suspend = btusb_suspend, |
2258 | .resume = btusb_resume, | |
7bee549e | 2259 | #endif |
5e23b923 | 2260 | .id_table = btusb_table, |
7bee549e | 2261 | .supports_autosuspend = 1, |
e1f12eb6 | 2262 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
2263 | }; |
2264 | ||
93f1508c | 2265 | module_usb_driver(btusb_driver); |
5e23b923 | 2266 | |
cfeb4145 MH |
2267 | module_param(disable_scofix, bool, 0644); |
2268 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
2269 | ||
2270 | module_param(force_scofix, bool, 0644); | |
2271 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
2272 | ||
2273 | module_param(reset, bool, 0644); | |
2274 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
2275 | ||
5e23b923 MH |
2276 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
2277 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
2278 | MODULE_VERSION(VERSION); | |
2279 | MODULE_LICENSE("GPL"); |