]>
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 MH |
25 | #include <linux/usb.h> |
26 | ||
27 | #include <net/bluetooth/bluetooth.h> | |
28 | #include <net/bluetooth/hci_core.h> | |
29 | ||
7bee549e | 30 | #define VERSION "0.6" |
cfeb4145 | 31 | |
90ab5ee9 RR |
32 | static bool ignore_dga; |
33 | static bool ignore_csr; | |
34 | static bool ignore_sniffer; | |
35 | static bool disable_scofix; | |
36 | static bool force_scofix; | |
7a9d4020 | 37 | |
90ab5ee9 | 38 | static bool reset = 1; |
cfeb4145 MH |
39 | |
40 | static struct usb_driver btusb_driver; | |
41 | ||
42 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
43 | #define BTUSB_DIGIANSWER 0x02 |
44 | #define BTUSB_CSR 0x04 | |
45 | #define BTUSB_SNIFFER 0x08 | |
46 | #define BTUSB_BCM92035 0x10 | |
47 | #define BTUSB_BROKEN_ISOC 0x20 | |
48 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 49 | #define BTUSB_ATH3012 0x80 |
5e23b923 MH |
50 | |
51 | static struct usb_device_id btusb_table[] = { | |
52 | /* Generic Bluetooth USB device */ | |
53 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
54 | ||
1fa6535f HR |
55 | /* Apple-specific (Broadcom) devices */ |
56 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, | |
57 | ||
c510eae3 | 58 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 59 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 60 | |
3cd01976 NI |
61 | /* Apple MacBookPro 7,1 */ |
62 | { USB_DEVICE(0x05ac, 0x8213) }, | |
63 | ||
0a79f674 CL |
64 | /* Apple iMac11,1 */ |
65 | { USB_DEVICE(0x05ac, 0x8215) }, | |
66 | ||
9c047157 NI |
67 | /* Apple MacBookPro6,2 */ |
68 | { USB_DEVICE(0x05ac, 0x8218) }, | |
69 | ||
3e3ede7d EH |
70 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
71 | { USB_DEVICE(0x05ac, 0x821b) }, | |
72 | ||
a63b723d PAVM |
73 | /* Apple MacBookAir4,1 */ |
74 | { USB_DEVICE(0x05ac, 0x821f) }, | |
75 | ||
88d377b6 MAP |
76 | /* Apple MacBookPro8,2 */ |
77 | { USB_DEVICE(0x05ac, 0x821a) }, | |
78 | ||
f78b6826 JK |
79 | /* Apple MacMini5,1 */ |
80 | { USB_DEVICE(0x05ac, 0x8281) }, | |
81 | ||
cfeb4145 MH |
82 | /* AVM BlueFRITZ! USB v2.0 */ |
83 | { USB_DEVICE(0x057c, 0x3800) }, | |
84 | ||
85 | /* Bluetooth Ultraport Module from IBM */ | |
86 | { USB_DEVICE(0x04bf, 0x030a) }, | |
87 | ||
88 | /* ALPS Modules with non-standard id */ | |
89 | { USB_DEVICE(0x044e, 0x3001) }, | |
90 | { USB_DEVICE(0x044e, 0x3002) }, | |
91 | ||
92 | /* Ericsson with non-standard id */ | |
93 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
94 | ||
95 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 96 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 97 | |
d13431ca | 98 | /* Broadcom BCM20702A0 */ |
0c1abbd1 | 99 | { USB_DEVICE(0x04ca, 0x2003) }, |
79cd7602 | 100 | { USB_DEVICE(0x0489, 0xe042) }, |
d13431ca WJS |
101 | { USB_DEVICE(0x413c, 0x8197) }, |
102 | ||
98514036 | 103 | /* Foxconn - Hon Hai */ |
ee66401b | 104 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
98514036 | 105 | |
92c385f4 GP |
106 | /*Broadcom devices with vendor specific id */ |
107 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, | |
108 | ||
5e23b923 MH |
109 | { } /* Terminating entry */ |
110 | }; | |
111 | ||
112 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
113 | ||
114 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
115 | /* CSR BlueCore devices */ |
116 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
117 | ||
118 | /* Broadcom BCM2033 without firmware */ | |
119 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
120 | ||
be93112a BS |
121 | /* Atheros 3011 with sflash firmware */ |
122 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
6eda541d | 123 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 124 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 125 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
6b6ba88b | 126 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
acd94544 | 127 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
be93112a | 128 | |
509e7861 CYC |
129 | /* Atheros AR9285 Malbec with sflash firmware */ |
130 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
131 | ||
d9f51b51 | 132 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 133 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 134 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
9498ba7a | 135 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
55ed7d4d | 136 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
87522a43 | 137 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 138 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
6c4ae5c2 | 139 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
2096ae6c | 140 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 141 | |
e9036e33 CYC |
142 | /* Atheros AR5BBU12 with sflash firmware */ |
143 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
144 | ||
85d59726 MG |
145 | /* Atheros AR5BBU12 with sflash firmware */ |
146 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, | |
bc21fde2 | 147 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 148 | |
cfeb4145 | 149 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
150 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
151 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
152 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
153 | |
154 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
155 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
156 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 157 | |
cfeb4145 | 158 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
159 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
160 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
161 | |
162 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 163 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
164 | |
165 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 166 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 167 | |
5ddd4a60 | 168 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 169 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 170 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 171 | |
7a9d4020 MH |
172 | /* Belkin F8T012 and F8T013 devices */ |
173 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
174 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 175 | |
5ddd4a60 MH |
176 | /* Asus WL-BTD202 device */ |
177 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
178 | ||
179 | /* Kensington Bluetooth USB adapter */ | |
180 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
181 | ||
cfeb4145 MH |
182 | /* RTX Telecom based adapters with buggy SCO support */ |
183 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
184 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
185 | ||
186 | /* CONWISE Technology based adapters with buggy SCO support */ | |
187 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
188 | ||
cfeb4145 MH |
189 | /* Digianswer devices */ |
190 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
191 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
192 | ||
193 | /* CSR BlueCore Bluetooth Sniffer */ | |
194 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
195 | ||
196 | /* Frontline ComProbe Bluetooth Sniffer */ | |
197 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
198 | ||
5e23b923 MH |
199 | { } /* Terminating entry */ |
200 | }; | |
201 | ||
9bfa35fe MH |
202 | #define BTUSB_MAX_ISOC_FRAMES 10 |
203 | ||
5e23b923 MH |
204 | #define BTUSB_INTR_RUNNING 0 |
205 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 206 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 207 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 208 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
209 | |
210 | struct btusb_data { | |
211 | struct hci_dev *hdev; | |
212 | struct usb_device *udev; | |
5fbcd260 | 213 | struct usb_interface *intf; |
9bfa35fe | 214 | struct usb_interface *isoc; |
5e23b923 MH |
215 | |
216 | spinlock_t lock; | |
217 | ||
218 | unsigned long flags; | |
219 | ||
220 | struct work_struct work; | |
7bee549e | 221 | struct work_struct waker; |
5e23b923 MH |
222 | |
223 | struct usb_anchor tx_anchor; | |
224 | struct usb_anchor intr_anchor; | |
225 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 226 | struct usb_anchor isoc_anchor; |
7bee549e ON |
227 | struct usb_anchor deferred; |
228 | int tx_in_flight; | |
229 | spinlock_t txlock; | |
5e23b923 MH |
230 | |
231 | struct usb_endpoint_descriptor *intr_ep; | |
232 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
233 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
234 | struct usb_endpoint_descriptor *isoc_tx_ep; |
235 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
236 | ||
7a9d4020 MH |
237 | __u8 cmdreq_type; |
238 | ||
43c2e57f | 239 | unsigned int sco_num; |
9bfa35fe | 240 | int isoc_altsetting; |
6a88adf2 | 241 | int suspend_count; |
5e23b923 MH |
242 | }; |
243 | ||
7bee549e ON |
244 | static int inc_tx(struct btusb_data *data) |
245 | { | |
246 | unsigned long flags; | |
247 | int rv; | |
248 | ||
249 | spin_lock_irqsave(&data->txlock, flags); | |
250 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
251 | if (!rv) | |
252 | data->tx_in_flight++; | |
253 | spin_unlock_irqrestore(&data->txlock, flags); | |
254 | ||
255 | return rv; | |
256 | } | |
257 | ||
5e23b923 MH |
258 | static void btusb_intr_complete(struct urb *urb) |
259 | { | |
260 | struct hci_dev *hdev = urb->context; | |
155961e8 | 261 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
262 | int err; |
263 | ||
264 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
265 | urb, urb->status, urb->actual_length); | |
266 | ||
267 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
268 | return; | |
269 | ||
270 | if (urb->status == 0) { | |
9bfa35fe MH |
271 | hdev->stat.byte_rx += urb->actual_length; |
272 | ||
5e23b923 MH |
273 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
274 | urb->transfer_buffer, | |
275 | urb->actual_length) < 0) { | |
276 | BT_ERR("%s corrupted event packet", hdev->name); | |
277 | hdev->stat.err_rx++; | |
278 | } | |
279 | } | |
280 | ||
281 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
282 | return; | |
283 | ||
7bee549e | 284 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
285 | usb_anchor_urb(urb, &data->intr_anchor); |
286 | ||
287 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
288 | if (err < 0) { | |
4935f1c1 PB |
289 | /* -EPERM: urb is being killed; |
290 | * -ENODEV: device got disconnected */ | |
291 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 292 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
293 | hdev->name, urb, -err); |
294 | usb_unanchor_urb(urb); | |
295 | } | |
296 | } | |
297 | ||
2eda66f4 | 298 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 299 | { |
155961e8 | 300 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
301 | struct urb *urb; |
302 | unsigned char *buf; | |
303 | unsigned int pipe; | |
304 | int err, size; | |
305 | ||
306 | BT_DBG("%s", hdev->name); | |
307 | ||
9bfa35fe MH |
308 | if (!data->intr_ep) |
309 | return -ENODEV; | |
310 | ||
2eda66f4 | 311 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
312 | if (!urb) |
313 | return -ENOMEM; | |
314 | ||
315 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
316 | ||
2eda66f4 | 317 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
318 | if (!buf) { |
319 | usb_free_urb(urb); | |
320 | return -ENOMEM; | |
321 | } | |
322 | ||
323 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
324 | ||
325 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
326 | btusb_intr_complete, hdev, | |
327 | data->intr_ep->bInterval); | |
328 | ||
329 | urb->transfer_flags |= URB_FREE_BUFFER; | |
330 | ||
331 | usb_anchor_urb(urb, &data->intr_anchor); | |
332 | ||
2eda66f4 | 333 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 334 | if (err < 0) { |
d4b8d1c9 PB |
335 | if (err != -EPERM && err != -ENODEV) |
336 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
337 | hdev->name, urb, -err); |
338 | usb_unanchor_urb(urb); | |
5e23b923 MH |
339 | } |
340 | ||
341 | usb_free_urb(urb); | |
342 | ||
343 | return err; | |
344 | } | |
345 | ||
346 | static void btusb_bulk_complete(struct urb *urb) | |
347 | { | |
348 | struct hci_dev *hdev = urb->context; | |
155961e8 | 349 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
350 | int err; |
351 | ||
352 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
353 | urb, urb->status, urb->actual_length); | |
354 | ||
355 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
356 | return; | |
357 | ||
358 | if (urb->status == 0) { | |
9bfa35fe MH |
359 | hdev->stat.byte_rx += urb->actual_length; |
360 | ||
5e23b923 MH |
361 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
362 | urb->transfer_buffer, | |
363 | urb->actual_length) < 0) { | |
364 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
365 | hdev->stat.err_rx++; | |
366 | } | |
367 | } | |
368 | ||
369 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
370 | return; | |
371 | ||
372 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 373 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
374 | |
375 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
376 | if (err < 0) { | |
4935f1c1 PB |
377 | /* -EPERM: urb is being killed; |
378 | * -ENODEV: device got disconnected */ | |
379 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 380 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
381 | hdev->name, urb, -err); |
382 | usb_unanchor_urb(urb); | |
383 | } | |
384 | } | |
385 | ||
2eda66f4 | 386 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 387 | { |
155961e8 | 388 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
389 | struct urb *urb; |
390 | unsigned char *buf; | |
391 | unsigned int pipe; | |
290ba200 | 392 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
393 | |
394 | BT_DBG("%s", hdev->name); | |
395 | ||
9bfa35fe MH |
396 | if (!data->bulk_rx_ep) |
397 | return -ENODEV; | |
398 | ||
2eda66f4 | 399 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
400 | if (!urb) |
401 | return -ENOMEM; | |
402 | ||
2eda66f4 | 403 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
404 | if (!buf) { |
405 | usb_free_urb(urb); | |
406 | return -ENOMEM; | |
407 | } | |
408 | ||
409 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
410 | ||
411 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
412 | buf, size, btusb_bulk_complete, hdev); | |
413 | ||
414 | urb->transfer_flags |= URB_FREE_BUFFER; | |
415 | ||
7bee549e | 416 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
417 | usb_anchor_urb(urb, &data->bulk_anchor); |
418 | ||
2eda66f4 | 419 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 420 | if (err < 0) { |
d4b8d1c9 PB |
421 | if (err != -EPERM && err != -ENODEV) |
422 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
423 | hdev->name, urb, -err); |
424 | usb_unanchor_urb(urb); | |
5e23b923 MH |
425 | } |
426 | ||
427 | usb_free_urb(urb); | |
428 | ||
429 | return err; | |
430 | } | |
431 | ||
9bfa35fe MH |
432 | static void btusb_isoc_complete(struct urb *urb) |
433 | { | |
434 | struct hci_dev *hdev = urb->context; | |
155961e8 | 435 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
436 | int i, err; |
437 | ||
438 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
439 | urb, urb->status, urb->actual_length); | |
440 | ||
441 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
442 | return; | |
443 | ||
444 | if (urb->status == 0) { | |
445 | for (i = 0; i < urb->number_of_packets; i++) { | |
446 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
447 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
448 | ||
449 | if (urb->iso_frame_desc[i].status) | |
450 | continue; | |
451 | ||
452 | hdev->stat.byte_rx += length; | |
453 | ||
454 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
455 | urb->transfer_buffer + offset, | |
456 | length) < 0) { | |
457 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
458 | hdev->stat.err_rx++; | |
459 | } | |
460 | } | |
461 | } | |
462 | ||
463 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
464 | return; | |
465 | ||
466 | usb_anchor_urb(urb, &data->isoc_anchor); | |
467 | ||
468 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
469 | if (err < 0) { | |
4935f1c1 PB |
470 | /* -EPERM: urb is being killed; |
471 | * -ENODEV: device got disconnected */ | |
472 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 473 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
474 | hdev->name, urb, -err); |
475 | usb_unanchor_urb(urb); | |
476 | } | |
477 | } | |
478 | ||
42b16b3f | 479 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
480 | { |
481 | int i, offset = 0; | |
482 | ||
483 | BT_DBG("len %d mtu %d", len, mtu); | |
484 | ||
485 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
486 | i++, offset += mtu, len -= mtu) { | |
487 | urb->iso_frame_desc[i].offset = offset; | |
488 | urb->iso_frame_desc[i].length = mtu; | |
489 | } | |
490 | ||
491 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
492 | urb->iso_frame_desc[i].offset = offset; | |
493 | urb->iso_frame_desc[i].length = len; | |
494 | i++; | |
495 | } | |
496 | ||
497 | urb->number_of_packets = i; | |
498 | } | |
499 | ||
2eda66f4 | 500 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 501 | { |
155961e8 | 502 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
503 | struct urb *urb; |
504 | unsigned char *buf; | |
505 | unsigned int pipe; | |
506 | int err, size; | |
507 | ||
508 | BT_DBG("%s", hdev->name); | |
509 | ||
510 | if (!data->isoc_rx_ep) | |
511 | return -ENODEV; | |
512 | ||
2eda66f4 | 513 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
514 | if (!urb) |
515 | return -ENOMEM; | |
516 | ||
517 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
518 | BTUSB_MAX_ISOC_FRAMES; | |
519 | ||
2eda66f4 | 520 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
521 | if (!buf) { |
522 | usb_free_urb(urb); | |
523 | return -ENOMEM; | |
524 | } | |
525 | ||
526 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
527 | ||
fa0fb93f BZ |
528 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
529 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
530 | |
531 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
532 | |
533 | __fill_isoc_descriptor(urb, size, | |
534 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
535 | ||
536 | usb_anchor_urb(urb, &data->isoc_anchor); | |
537 | ||
2eda66f4 | 538 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 539 | if (err < 0) { |
d4b8d1c9 PB |
540 | if (err != -EPERM && err != -ENODEV) |
541 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
542 | hdev->name, urb, -err); |
543 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
544 | } |
545 | ||
546 | usb_free_urb(urb); | |
547 | ||
548 | return err; | |
549 | } | |
550 | ||
5e23b923 | 551 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
552 | { |
553 | struct sk_buff *skb = urb->context; | |
554 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 555 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
556 | |
557 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
558 | urb, urb->status, urb->actual_length); | |
559 | ||
560 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
561 | goto done; | |
562 | ||
563 | if (!urb->status) | |
564 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
565 | else | |
566 | hdev->stat.err_tx++; | |
567 | ||
568 | done: | |
569 | spin_lock(&data->txlock); | |
570 | data->tx_in_flight--; | |
571 | spin_unlock(&data->txlock); | |
572 | ||
573 | kfree(urb->setup_packet); | |
574 | ||
575 | kfree_skb(skb); | |
576 | } | |
577 | ||
578 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
579 | { |
580 | struct sk_buff *skb = urb->context; | |
581 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
582 | ||
583 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
584 | urb, urb->status, urb->actual_length); | |
585 | ||
586 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
587 | goto done; | |
588 | ||
589 | if (!urb->status) | |
590 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
591 | else | |
592 | hdev->stat.err_tx++; | |
593 | ||
594 | done: | |
595 | kfree(urb->setup_packet); | |
596 | ||
597 | kfree_skb(skb); | |
598 | } | |
599 | ||
600 | static int btusb_open(struct hci_dev *hdev) | |
601 | { | |
155961e8 | 602 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
603 | int err; |
604 | ||
605 | BT_DBG("%s", hdev->name); | |
606 | ||
7bee549e ON |
607 | err = usb_autopm_get_interface(data->intf); |
608 | if (err < 0) | |
609 | return err; | |
610 | ||
611 | data->intf->needs_remote_wakeup = 1; | |
612 | ||
5e23b923 | 613 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 614 | goto done; |
5e23b923 MH |
615 | |
616 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 617 | goto done; |
5e23b923 | 618 | |
2eda66f4 | 619 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
620 | if (err < 0) |
621 | goto failed; | |
622 | ||
623 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 624 | if (err < 0) { |
43c2e57f MH |
625 | usb_kill_anchored_urbs(&data->intr_anchor); |
626 | goto failed; | |
5e23b923 MH |
627 | } |
628 | ||
43c2e57f MH |
629 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
630 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
631 | ||
7bee549e ON |
632 | done: |
633 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
634 | return 0; |
635 | ||
636 | failed: | |
637 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
638 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 639 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
640 | return err; |
641 | } | |
642 | ||
7bee549e ON |
643 | static void btusb_stop_traffic(struct btusb_data *data) |
644 | { | |
645 | usb_kill_anchored_urbs(&data->intr_anchor); | |
646 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
647 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
648 | } | |
649 | ||
5e23b923 MH |
650 | static int btusb_close(struct hci_dev *hdev) |
651 | { | |
155961e8 | 652 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 653 | int err; |
5e23b923 MH |
654 | |
655 | BT_DBG("%s", hdev->name); | |
656 | ||
657 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
658 | return 0; | |
659 | ||
e8c3c3d2 | 660 | cancel_work_sync(&data->work); |
404291ac | 661 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 662 | |
9bfa35fe | 663 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 664 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 665 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
666 | |
667 | btusb_stop_traffic(data); | |
668 | err = usb_autopm_get_interface(data->intf); | |
669 | if (err < 0) | |
7b8e2c1d | 670 | goto failed; |
7bee549e ON |
671 | |
672 | data->intf->needs_remote_wakeup = 0; | |
673 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 674 | |
7b8e2c1d ON |
675 | failed: |
676 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
677 | return 0; |
678 | } | |
679 | ||
680 | static int btusb_flush(struct hci_dev *hdev) | |
681 | { | |
155961e8 | 682 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
683 | |
684 | BT_DBG("%s", hdev->name); | |
685 | ||
686 | usb_kill_anchored_urbs(&data->tx_anchor); | |
687 | ||
688 | return 0; | |
689 | } | |
690 | ||
691 | static int btusb_send_frame(struct sk_buff *skb) | |
692 | { | |
693 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 694 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
695 | struct usb_ctrlrequest *dr; |
696 | struct urb *urb; | |
697 | unsigned int pipe; | |
698 | int err; | |
699 | ||
700 | BT_DBG("%s", hdev->name); | |
701 | ||
702 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
703 | return -EBUSY; | |
704 | ||
705 | switch (bt_cb(skb)->pkt_type) { | |
706 | case HCI_COMMAND_PKT: | |
707 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
708 | if (!urb) | |
709 | return -ENOMEM; | |
710 | ||
711 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
712 | if (!dr) { | |
713 | usb_free_urb(urb); | |
714 | return -ENOMEM; | |
715 | } | |
716 | ||
7a9d4020 | 717 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
718 | dr->bRequest = 0; |
719 | dr->wIndex = 0; | |
720 | dr->wValue = 0; | |
721 | dr->wLength = __cpu_to_le16(skb->len); | |
722 | ||
723 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
724 | ||
725 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
726 | skb->data, skb->len, btusb_tx_complete, skb); | |
727 | ||
728 | hdev->stat.cmd_tx++; | |
729 | break; | |
730 | ||
731 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 732 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
733 | return -ENODEV; |
734 | ||
5e23b923 MH |
735 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
736 | if (!urb) | |
737 | return -ENOMEM; | |
738 | ||
739 | pipe = usb_sndbulkpipe(data->udev, | |
740 | data->bulk_tx_ep->bEndpointAddress); | |
741 | ||
742 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
743 | skb->data, skb->len, btusb_tx_complete, skb); | |
744 | ||
745 | hdev->stat.acl_tx++; | |
746 | break; | |
747 | ||
748 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
749 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
750 | return -ENODEV; | |
751 | ||
752 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
753 | if (!urb) | |
754 | return -ENOMEM; | |
755 | ||
756 | pipe = usb_sndisocpipe(data->udev, | |
757 | data->isoc_tx_ep->bEndpointAddress); | |
758 | ||
03c2d0e8 GP |
759 | usb_fill_int_urb(urb, data->udev, pipe, |
760 | skb->data, skb->len, btusb_isoc_tx_complete, | |
761 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
762 | |
763 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
764 | |
765 | __fill_isoc_descriptor(urb, skb->len, | |
766 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
767 | ||
5e23b923 | 768 | hdev->stat.sco_tx++; |
7bee549e | 769 | goto skip_waking; |
5e23b923 MH |
770 | |
771 | default: | |
772 | return -EILSEQ; | |
773 | } | |
774 | ||
7bee549e ON |
775 | err = inc_tx(data); |
776 | if (err) { | |
777 | usb_anchor_urb(urb, &data->deferred); | |
778 | schedule_work(&data->waker); | |
779 | err = 0; | |
780 | goto done; | |
781 | } | |
782 | ||
783 | skip_waking: | |
5e23b923 MH |
784 | usb_anchor_urb(urb, &data->tx_anchor); |
785 | ||
786 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
787 | if (err < 0) { | |
5a9b80e2 PB |
788 | if (err != -EPERM && err != -ENODEV) |
789 | BT_ERR("%s urb %p submission failed (%d)", | |
790 | hdev->name, urb, -err); | |
5e23b923 MH |
791 | kfree(urb->setup_packet); |
792 | usb_unanchor_urb(urb); | |
7bee549e ON |
793 | } else { |
794 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
795 | } |
796 | ||
7bee549e | 797 | done: |
54a8a79c | 798 | usb_free_urb(urb); |
5e23b923 MH |
799 | return err; |
800 | } | |
801 | ||
5e23b923 MH |
802 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
803 | { | |
155961e8 | 804 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
805 | |
806 | BT_DBG("%s evt %d", hdev->name, evt); | |
807 | ||
43c2e57f MH |
808 | if (hdev->conn_hash.sco_num != data->sco_num) { |
809 | data->sco_num = hdev->conn_hash.sco_num; | |
810 | schedule_work(&data->work); | |
a780efa8 | 811 | } |
5e23b923 MH |
812 | } |
813 | ||
42b16b3f | 814 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 815 | { |
155961e8 | 816 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
817 | struct usb_interface *intf = data->isoc; |
818 | struct usb_endpoint_descriptor *ep_desc; | |
819 | int i, err; | |
820 | ||
821 | if (!data->isoc) | |
822 | return -ENODEV; | |
823 | ||
824 | err = usb_set_interface(data->udev, 1, altsetting); | |
825 | if (err < 0) { | |
826 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
827 | return err; | |
828 | } | |
829 | ||
830 | data->isoc_altsetting = altsetting; | |
831 | ||
832 | data->isoc_tx_ep = NULL; | |
833 | data->isoc_rx_ep = NULL; | |
834 | ||
835 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
836 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
837 | ||
838 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
839 | data->isoc_tx_ep = ep_desc; | |
840 | continue; | |
841 | } | |
842 | ||
843 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
844 | data->isoc_rx_ep = ep_desc; | |
845 | continue; | |
846 | } | |
847 | } | |
848 | ||
849 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
850 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
851 | return -ENODEV; | |
852 | } | |
853 | ||
854 | return 0; | |
855 | } | |
856 | ||
5e23b923 MH |
857 | static void btusb_work(struct work_struct *work) |
858 | { | |
859 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
860 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 861 | int new_alts; |
7bee549e | 862 | int err; |
5e23b923 | 863 | |
9bfa35fe | 864 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 865 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 866 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
867 | if (err < 0) { |
868 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
869 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
870 | return; | |
871 | } | |
872 | ||
08b8b6c4 | 873 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 874 | } |
f4001d28 MA |
875 | |
876 | if (hdev->voice_setting & 0x0020) { | |
877 | static const int alts[3] = { 2, 4, 5 }; | |
878 | new_alts = alts[hdev->conn_hash.sco_num - 1]; | |
879 | } else { | |
880 | new_alts = hdev->conn_hash.sco_num; | |
881 | } | |
882 | ||
883 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
884 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
885 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
886 | ||
f4001d28 | 887 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
888 | return; |
889 | } | |
890 | ||
891 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 892 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
893 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
894 | else | |
2eda66f4 | 895 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
896 | } |
897 | } else { | |
898 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
899 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
900 | ||
901 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 902 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 903 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
904 | } |
905 | } | |
906 | ||
7bee549e ON |
907 | static void btusb_waker(struct work_struct *work) |
908 | { | |
909 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
910 | int err; | |
911 | ||
912 | err = usb_autopm_get_interface(data->intf); | |
913 | if (err < 0) | |
914 | return; | |
915 | ||
916 | usb_autopm_put_interface(data->intf); | |
917 | } | |
918 | ||
5e23b923 MH |
919 | static int btusb_probe(struct usb_interface *intf, |
920 | const struct usb_device_id *id) | |
921 | { | |
922 | struct usb_endpoint_descriptor *ep_desc; | |
923 | struct btusb_data *data; | |
924 | struct hci_dev *hdev; | |
925 | int i, err; | |
926 | ||
927 | BT_DBG("intf %p id %p", intf, id); | |
928 | ||
cfeb4145 | 929 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
930 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
931 | return -ENODEV; | |
932 | ||
933 | if (!id->driver_info) { | |
934 | const struct usb_device_id *match; | |
935 | match = usb_match_id(intf, blacklist_table); | |
936 | if (match) | |
937 | id = match; | |
938 | } | |
939 | ||
cfeb4145 MH |
940 | if (id->driver_info == BTUSB_IGNORE) |
941 | return -ENODEV; | |
942 | ||
943 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
944 | return -ENODEV; | |
945 | ||
946 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
947 | return -ENODEV; | |
948 | ||
949 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
950 | return -ENODEV; | |
951 | ||
2d25f8b4 SL |
952 | if (id->driver_info & BTUSB_ATH3012) { |
953 | struct usb_device *udev = interface_to_usbdev(intf); | |
954 | ||
955 | /* Old firmware would otherwise let ath3k driver load | |
956 | * patch and sysconfig files */ | |
957 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
958 | return -ENODEV; | |
959 | } | |
960 | ||
98921dbd | 961 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
962 | if (!data) |
963 | return -ENOMEM; | |
964 | ||
965 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
966 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
967 | ||
968 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
969 | data->intr_ep = ep_desc; | |
970 | continue; | |
971 | } | |
972 | ||
973 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
974 | data->bulk_tx_ep = ep_desc; | |
975 | continue; | |
976 | } | |
977 | ||
978 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
979 | data->bulk_rx_ep = ep_desc; | |
980 | continue; | |
981 | } | |
982 | } | |
983 | ||
98921dbd | 984 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 985 | return -ENODEV; |
5e23b923 | 986 | |
7a9d4020 MH |
987 | data->cmdreq_type = USB_TYPE_CLASS; |
988 | ||
5e23b923 | 989 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 990 | data->intf = intf; |
5e23b923 MH |
991 | |
992 | spin_lock_init(&data->lock); | |
993 | ||
994 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
995 | INIT_WORK(&data->waker, btusb_waker); |
996 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
997 | |
998 | init_usb_anchor(&data->tx_anchor); | |
999 | init_usb_anchor(&data->intr_anchor); | |
1000 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1001 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1002 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1003 | |
1004 | hdev = hci_alloc_dev(); | |
98921dbd | 1005 | if (!hdev) |
5e23b923 | 1006 | return -ENOMEM; |
5e23b923 | 1007 | |
c13854ce | 1008 | hdev->bus = HCI_USB; |
155961e8 | 1009 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1010 | |
1011 | data->hdev = hdev; | |
1012 | ||
1013 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1014 | ||
1015 | hdev->open = btusb_open; | |
1016 | hdev->close = btusb_close; | |
1017 | hdev->flush = btusb_flush; | |
1018 | hdev->send = btusb_send_frame; | |
5e23b923 MH |
1019 | hdev->notify = btusb_notify; |
1020 | ||
7a9d4020 | 1021 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1022 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1023 | ||
7a9d4020 | 1024 | if (!reset) |
a6c511c6 | 1025 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1026 | |
1027 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1028 | if (!disable_scofix) | |
1029 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1030 | } | |
1031 | ||
9bfa35fe MH |
1032 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1033 | data->isoc = NULL; | |
1034 | ||
7a9d4020 MH |
1035 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1036 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1037 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1038 | } |
1039 | ||
1040 | if (id->driver_info & BTUSB_CSR) { | |
1041 | struct usb_device *udev = data->udev; | |
1042 | ||
1043 | /* Old firmware would otherwise execute USB reset */ | |
1044 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
a6c511c6 | 1045 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1046 | } |
1047 | ||
cfeb4145 | 1048 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1049 | struct usb_device *udev = data->udev; |
cfeb4145 | 1050 | |
7a9d4020 | 1051 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1052 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1053 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1054 | |
1055 | data->isoc = NULL; | |
cfeb4145 MH |
1056 | } |
1057 | ||
1058 | if (id->driver_info & BTUSB_BCM92035) { | |
1059 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1060 | struct sk_buff *skb; | |
1061 | ||
1062 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1063 | if (skb) { | |
1064 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1065 | skb_queue_tail(&hdev->driver_init, skb); | |
1066 | } | |
1067 | } | |
5e23b923 | 1068 | |
9bfa35fe MH |
1069 | if (data->isoc) { |
1070 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1071 | data->isoc, data); |
9bfa35fe MH |
1072 | if (err < 0) { |
1073 | hci_free_dev(hdev); | |
9bfa35fe MH |
1074 | return err; |
1075 | } | |
1076 | } | |
1077 | ||
5e23b923 MH |
1078 | err = hci_register_dev(hdev); |
1079 | if (err < 0) { | |
1080 | hci_free_dev(hdev); | |
5e23b923 MH |
1081 | return err; |
1082 | } | |
1083 | ||
1084 | usb_set_intfdata(intf, data); | |
1085 | ||
1086 | return 0; | |
1087 | } | |
1088 | ||
1089 | static void btusb_disconnect(struct usb_interface *intf) | |
1090 | { | |
1091 | struct btusb_data *data = usb_get_intfdata(intf); | |
1092 | struct hci_dev *hdev; | |
1093 | ||
1094 | BT_DBG("intf %p", intf); | |
1095 | ||
1096 | if (!data) | |
1097 | return; | |
1098 | ||
1099 | hdev = data->hdev; | |
5fbcd260 MH |
1100 | usb_set_intfdata(data->intf, NULL); |
1101 | ||
1102 | if (data->isoc) | |
1103 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1104 | |
1105 | hci_unregister_dev(hdev); | |
1106 | ||
5fbcd260 MH |
1107 | if (intf == data->isoc) |
1108 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1109 | else if (data->isoc) | |
1110 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1111 | ||
5e23b923 MH |
1112 | hci_free_dev(hdev); |
1113 | } | |
1114 | ||
7bee549e | 1115 | #ifdef CONFIG_PM |
6a88adf2 MH |
1116 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1117 | { | |
1118 | struct btusb_data *data = usb_get_intfdata(intf); | |
1119 | ||
1120 | BT_DBG("intf %p", intf); | |
1121 | ||
1122 | if (data->suspend_count++) | |
1123 | return 0; | |
1124 | ||
7bee549e | 1125 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1126 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1127 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1128 | spin_unlock_irq(&data->txlock); | |
1129 | } else { | |
1130 | spin_unlock_irq(&data->txlock); | |
1131 | data->suspend_count--; | |
1132 | return -EBUSY; | |
1133 | } | |
1134 | ||
6a88adf2 MH |
1135 | cancel_work_sync(&data->work); |
1136 | ||
7bee549e | 1137 | btusb_stop_traffic(data); |
6a88adf2 MH |
1138 | usb_kill_anchored_urbs(&data->tx_anchor); |
1139 | ||
6a88adf2 MH |
1140 | return 0; |
1141 | } | |
1142 | ||
7bee549e ON |
1143 | static void play_deferred(struct btusb_data *data) |
1144 | { | |
1145 | struct urb *urb; | |
1146 | int err; | |
1147 | ||
1148 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1149 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1150 | if (err < 0) | |
1151 | break; | |
1152 | ||
1153 | data->tx_in_flight++; | |
1154 | } | |
1155 | usb_scuttle_anchored_urbs(&data->deferred); | |
1156 | } | |
1157 | ||
6a88adf2 MH |
1158 | static int btusb_resume(struct usb_interface *intf) |
1159 | { | |
1160 | struct btusb_data *data = usb_get_intfdata(intf); | |
1161 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1162 | int err = 0; |
6a88adf2 MH |
1163 | |
1164 | BT_DBG("intf %p", intf); | |
1165 | ||
1166 | if (--data->suspend_count) | |
1167 | return 0; | |
1168 | ||
1169 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1170 | goto done; |
6a88adf2 MH |
1171 | |
1172 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1173 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1174 | if (err < 0) { | |
1175 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1176 | goto failed; |
6a88adf2 MH |
1177 | } |
1178 | } | |
1179 | ||
1180 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1181 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1182 | if (err < 0) { | |
6a88adf2 | 1183 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1184 | goto failed; |
1185 | } | |
1186 | ||
1187 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1188 | } |
1189 | ||
1190 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1191 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1192 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1193 | else | |
1194 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1195 | } | |
1196 | ||
7bee549e ON |
1197 | spin_lock_irq(&data->txlock); |
1198 | play_deferred(data); | |
1199 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1200 | spin_unlock_irq(&data->txlock); | |
1201 | schedule_work(&data->work); | |
1202 | ||
6a88adf2 | 1203 | return 0; |
7bee549e ON |
1204 | |
1205 | failed: | |
1206 | usb_scuttle_anchored_urbs(&data->deferred); | |
1207 | done: | |
1208 | spin_lock_irq(&data->txlock); | |
1209 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1210 | spin_unlock_irq(&data->txlock); | |
1211 | ||
1212 | return err; | |
6a88adf2 | 1213 | } |
7bee549e | 1214 | #endif |
6a88adf2 | 1215 | |
5e23b923 MH |
1216 | static struct usb_driver btusb_driver = { |
1217 | .name = "btusb", | |
1218 | .probe = btusb_probe, | |
1219 | .disconnect = btusb_disconnect, | |
7bee549e | 1220 | #ifdef CONFIG_PM |
6a88adf2 MH |
1221 | .suspend = btusb_suspend, |
1222 | .resume = btusb_resume, | |
7bee549e | 1223 | #endif |
5e23b923 | 1224 | .id_table = btusb_table, |
7bee549e | 1225 | .supports_autosuspend = 1, |
e1f12eb6 | 1226 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1227 | }; |
1228 | ||
93f1508c | 1229 | module_usb_driver(btusb_driver); |
5e23b923 | 1230 | |
cfeb4145 MH |
1231 | module_param(ignore_dga, bool, 0644); |
1232 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1233 | ||
1234 | module_param(ignore_csr, bool, 0644); | |
1235 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1236 | ||
1237 | module_param(ignore_sniffer, bool, 0644); | |
1238 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1239 | ||
1240 | module_param(disable_scofix, bool, 0644); | |
1241 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1242 | ||
1243 | module_param(force_scofix, bool, 0644); | |
1244 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1245 | ||
1246 | module_param(reset, bool, 0644); | |
1247 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1248 | ||
5e23b923 MH |
1249 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1250 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1251 | MODULE_VERSION(VERSION); | |
1252 | MODULE_LICENSE("GPL"); |