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Commit | Line | Data |
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5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 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 | ||
c510eae3 | 55 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 56 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 57 | |
3cd01976 NI |
58 | /* Apple MacBookPro 7,1 */ |
59 | { USB_DEVICE(0x05ac, 0x8213) }, | |
60 | ||
0a79f674 CL |
61 | /* Apple iMac11,1 */ |
62 | { USB_DEVICE(0x05ac, 0x8215) }, | |
63 | ||
9c047157 NI |
64 | /* Apple MacBookPro6,2 */ |
65 | { USB_DEVICE(0x05ac, 0x8218) }, | |
66 | ||
3e3ede7d EH |
67 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
68 | { USB_DEVICE(0x05ac, 0x821b) }, | |
69 | ||
a63b723d PAVM |
70 | /* Apple MacBookAir4,1 */ |
71 | { USB_DEVICE(0x05ac, 0x821f) }, | |
72 | ||
88d377b6 MAP |
73 | /* Apple MacBookPro8,2 */ |
74 | { USB_DEVICE(0x05ac, 0x821a) }, | |
75 | ||
f78b6826 JK |
76 | /* Apple MacMini5,1 */ |
77 | { USB_DEVICE(0x05ac, 0x8281) }, | |
78 | ||
cfeb4145 MH |
79 | /* AVM BlueFRITZ! USB v2.0 */ |
80 | { USB_DEVICE(0x057c, 0x3800) }, | |
81 | ||
82 | /* Bluetooth Ultraport Module from IBM */ | |
83 | { USB_DEVICE(0x04bf, 0x030a) }, | |
84 | ||
85 | /* ALPS Modules with non-standard id */ | |
86 | { USB_DEVICE(0x044e, 0x3001) }, | |
87 | { USB_DEVICE(0x044e, 0x3002) }, | |
88 | ||
89 | /* Ericsson with non-standard id */ | |
90 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
91 | ||
92 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 93 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 94 | |
d13431ca | 95 | /* Broadcom BCM20702A0 */ |
79cd7602 | 96 | { USB_DEVICE(0x0489, 0xe042) }, |
d13431ca WJS |
97 | { USB_DEVICE(0x413c, 0x8197) }, |
98 | ||
98514036 SH |
99 | /* Foxconn - Hon Hai */ |
100 | { USB_DEVICE(0x0489, 0xe033) }, | |
101 | ||
92c385f4 GP |
102 | /*Broadcom devices with vendor specific id */ |
103 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, | |
104 | ||
5e23b923 MH |
105 | { } /* Terminating entry */ |
106 | }; | |
107 | ||
108 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
109 | ||
110 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
111 | /* CSR BlueCore devices */ |
112 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
113 | ||
114 | /* Broadcom BCM2033 without firmware */ | |
115 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
116 | ||
be93112a BS |
117 | /* Atheros 3011 with sflash firmware */ |
118 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
6eda541d | 119 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 120 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 121 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
6b6ba88b | 122 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
be93112a | 123 | |
509e7861 CYC |
124 | /* Atheros AR9285 Malbec with sflash firmware */ |
125 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
126 | ||
d9f51b51 | 127 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 128 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 129 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
9498ba7a | 130 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
55ed7d4d | 131 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
87522a43 | 132 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 133 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
6c4ae5c2 | 134 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
2096ae6c | 135 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 136 | |
e9036e33 CYC |
137 | /* Atheros AR5BBU12 with sflash firmware */ |
138 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
139 | ||
85d59726 MG |
140 | /* Atheros AR5BBU12 with sflash firmware */ |
141 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, | |
bc21fde2 | 142 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 143 | |
cfeb4145 | 144 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
145 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
146 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
147 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
148 | |
149 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
150 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
151 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 152 | |
cfeb4145 | 153 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
154 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
155 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
156 | |
157 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 158 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
159 | |
160 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 161 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 162 | |
5ddd4a60 | 163 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 164 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 165 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 166 | |
7a9d4020 MH |
167 | /* Belkin F8T012 and F8T013 devices */ |
168 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
169 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 170 | |
5ddd4a60 MH |
171 | /* Asus WL-BTD202 device */ |
172 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
173 | ||
174 | /* Kensington Bluetooth USB adapter */ | |
175 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
176 | ||
cfeb4145 MH |
177 | /* RTX Telecom based adapters with buggy SCO support */ |
178 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
179 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
180 | ||
181 | /* CONWISE Technology based adapters with buggy SCO support */ | |
182 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
183 | ||
cfeb4145 MH |
184 | /* Digianswer devices */ |
185 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
186 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
187 | ||
188 | /* CSR BlueCore Bluetooth Sniffer */ | |
189 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
190 | ||
191 | /* Frontline ComProbe Bluetooth Sniffer */ | |
192 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
193 | ||
5e23b923 MH |
194 | { } /* Terminating entry */ |
195 | }; | |
196 | ||
9bfa35fe MH |
197 | #define BTUSB_MAX_ISOC_FRAMES 10 |
198 | ||
5e23b923 MH |
199 | #define BTUSB_INTR_RUNNING 0 |
200 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 201 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 202 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 203 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
204 | |
205 | struct btusb_data { | |
206 | struct hci_dev *hdev; | |
207 | struct usb_device *udev; | |
5fbcd260 | 208 | struct usb_interface *intf; |
9bfa35fe | 209 | struct usb_interface *isoc; |
5e23b923 MH |
210 | |
211 | spinlock_t lock; | |
212 | ||
213 | unsigned long flags; | |
214 | ||
215 | struct work_struct work; | |
7bee549e | 216 | struct work_struct waker; |
5e23b923 MH |
217 | |
218 | struct usb_anchor tx_anchor; | |
219 | struct usb_anchor intr_anchor; | |
220 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 221 | struct usb_anchor isoc_anchor; |
7bee549e ON |
222 | struct usb_anchor deferred; |
223 | int tx_in_flight; | |
224 | spinlock_t txlock; | |
5e23b923 MH |
225 | |
226 | struct usb_endpoint_descriptor *intr_ep; | |
227 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
228 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
229 | struct usb_endpoint_descriptor *isoc_tx_ep; |
230 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
231 | ||
7a9d4020 MH |
232 | __u8 cmdreq_type; |
233 | ||
43c2e57f | 234 | unsigned int sco_num; |
9bfa35fe | 235 | int isoc_altsetting; |
6a88adf2 | 236 | int suspend_count; |
5e23b923 MH |
237 | }; |
238 | ||
7bee549e ON |
239 | static int inc_tx(struct btusb_data *data) |
240 | { | |
241 | unsigned long flags; | |
242 | int rv; | |
243 | ||
244 | spin_lock_irqsave(&data->txlock, flags); | |
245 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
246 | if (!rv) | |
247 | data->tx_in_flight++; | |
248 | spin_unlock_irqrestore(&data->txlock, flags); | |
249 | ||
250 | return rv; | |
251 | } | |
252 | ||
5e23b923 MH |
253 | static void btusb_intr_complete(struct urb *urb) |
254 | { | |
255 | struct hci_dev *hdev = urb->context; | |
155961e8 | 256 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
257 | int err; |
258 | ||
259 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
260 | urb, urb->status, urb->actual_length); | |
261 | ||
262 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
263 | return; | |
264 | ||
265 | if (urb->status == 0) { | |
9bfa35fe MH |
266 | hdev->stat.byte_rx += urb->actual_length; |
267 | ||
5e23b923 MH |
268 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
269 | urb->transfer_buffer, | |
270 | urb->actual_length) < 0) { | |
271 | BT_ERR("%s corrupted event packet", hdev->name); | |
272 | hdev->stat.err_rx++; | |
273 | } | |
274 | } | |
275 | ||
276 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
277 | return; | |
278 | ||
7bee549e | 279 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
280 | usb_anchor_urb(urb, &data->intr_anchor); |
281 | ||
282 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
283 | if (err < 0) { | |
4935f1c1 PB |
284 | /* -EPERM: urb is being killed; |
285 | * -ENODEV: device got disconnected */ | |
286 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 287 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
288 | hdev->name, urb, -err); |
289 | usb_unanchor_urb(urb); | |
290 | } | |
291 | } | |
292 | ||
2eda66f4 | 293 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 294 | { |
155961e8 | 295 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
296 | struct urb *urb; |
297 | unsigned char *buf; | |
298 | unsigned int pipe; | |
299 | int err, size; | |
300 | ||
301 | BT_DBG("%s", hdev->name); | |
302 | ||
9bfa35fe MH |
303 | if (!data->intr_ep) |
304 | return -ENODEV; | |
305 | ||
2eda66f4 | 306 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
307 | if (!urb) |
308 | return -ENOMEM; | |
309 | ||
310 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
311 | ||
2eda66f4 | 312 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
313 | if (!buf) { |
314 | usb_free_urb(urb); | |
315 | return -ENOMEM; | |
316 | } | |
317 | ||
318 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
319 | ||
320 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
321 | btusb_intr_complete, hdev, | |
322 | data->intr_ep->bInterval); | |
323 | ||
324 | urb->transfer_flags |= URB_FREE_BUFFER; | |
325 | ||
326 | usb_anchor_urb(urb, &data->intr_anchor); | |
327 | ||
2eda66f4 | 328 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 329 | if (err < 0) { |
d4b8d1c9 PB |
330 | if (err != -EPERM && err != -ENODEV) |
331 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
332 | hdev->name, urb, -err); |
333 | usb_unanchor_urb(urb); | |
5e23b923 MH |
334 | } |
335 | ||
336 | usb_free_urb(urb); | |
337 | ||
338 | return err; | |
339 | } | |
340 | ||
341 | static void btusb_bulk_complete(struct urb *urb) | |
342 | { | |
343 | struct hci_dev *hdev = urb->context; | |
155961e8 | 344 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
345 | int err; |
346 | ||
347 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
348 | urb, urb->status, urb->actual_length); | |
349 | ||
350 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
351 | return; | |
352 | ||
353 | if (urb->status == 0) { | |
9bfa35fe MH |
354 | hdev->stat.byte_rx += urb->actual_length; |
355 | ||
5e23b923 MH |
356 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
357 | urb->transfer_buffer, | |
358 | urb->actual_length) < 0) { | |
359 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
360 | hdev->stat.err_rx++; | |
361 | } | |
362 | } | |
363 | ||
364 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
365 | return; | |
366 | ||
367 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 368 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
369 | |
370 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
371 | if (err < 0) { | |
4935f1c1 PB |
372 | /* -EPERM: urb is being killed; |
373 | * -ENODEV: device got disconnected */ | |
374 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 375 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
376 | hdev->name, urb, -err); |
377 | usb_unanchor_urb(urb); | |
378 | } | |
379 | } | |
380 | ||
2eda66f4 | 381 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 382 | { |
155961e8 | 383 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
384 | struct urb *urb; |
385 | unsigned char *buf; | |
386 | unsigned int pipe; | |
290ba200 | 387 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
388 | |
389 | BT_DBG("%s", hdev->name); | |
390 | ||
9bfa35fe MH |
391 | if (!data->bulk_rx_ep) |
392 | return -ENODEV; | |
393 | ||
2eda66f4 | 394 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
395 | if (!urb) |
396 | return -ENOMEM; | |
397 | ||
2eda66f4 | 398 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
399 | if (!buf) { |
400 | usb_free_urb(urb); | |
401 | return -ENOMEM; | |
402 | } | |
403 | ||
404 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
405 | ||
406 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
407 | buf, size, btusb_bulk_complete, hdev); | |
408 | ||
409 | urb->transfer_flags |= URB_FREE_BUFFER; | |
410 | ||
7bee549e | 411 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
412 | usb_anchor_urb(urb, &data->bulk_anchor); |
413 | ||
2eda66f4 | 414 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 415 | if (err < 0) { |
d4b8d1c9 PB |
416 | if (err != -EPERM && err != -ENODEV) |
417 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
418 | hdev->name, urb, -err); |
419 | usb_unanchor_urb(urb); | |
5e23b923 MH |
420 | } |
421 | ||
422 | usb_free_urb(urb); | |
423 | ||
424 | return err; | |
425 | } | |
426 | ||
9bfa35fe MH |
427 | static void btusb_isoc_complete(struct urb *urb) |
428 | { | |
429 | struct hci_dev *hdev = urb->context; | |
155961e8 | 430 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
431 | int i, err; |
432 | ||
433 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
434 | urb, urb->status, urb->actual_length); | |
435 | ||
436 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
437 | return; | |
438 | ||
439 | if (urb->status == 0) { | |
440 | for (i = 0; i < urb->number_of_packets; i++) { | |
441 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
442 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
443 | ||
444 | if (urb->iso_frame_desc[i].status) | |
445 | continue; | |
446 | ||
447 | hdev->stat.byte_rx += length; | |
448 | ||
449 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
450 | urb->transfer_buffer + offset, | |
451 | length) < 0) { | |
452 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
453 | hdev->stat.err_rx++; | |
454 | } | |
455 | } | |
456 | } | |
457 | ||
458 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
459 | return; | |
460 | ||
461 | usb_anchor_urb(urb, &data->isoc_anchor); | |
462 | ||
463 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
464 | if (err < 0) { | |
4935f1c1 PB |
465 | /* -EPERM: urb is being killed; |
466 | * -ENODEV: device got disconnected */ | |
467 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 468 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
469 | hdev->name, urb, -err); |
470 | usb_unanchor_urb(urb); | |
471 | } | |
472 | } | |
473 | ||
42b16b3f | 474 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
475 | { |
476 | int i, offset = 0; | |
477 | ||
478 | BT_DBG("len %d mtu %d", len, mtu); | |
479 | ||
480 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
481 | i++, offset += mtu, len -= mtu) { | |
482 | urb->iso_frame_desc[i].offset = offset; | |
483 | urb->iso_frame_desc[i].length = mtu; | |
484 | } | |
485 | ||
486 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
487 | urb->iso_frame_desc[i].offset = offset; | |
488 | urb->iso_frame_desc[i].length = len; | |
489 | i++; | |
490 | } | |
491 | ||
492 | urb->number_of_packets = i; | |
493 | } | |
494 | ||
2eda66f4 | 495 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 496 | { |
155961e8 | 497 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
498 | struct urb *urb; |
499 | unsigned char *buf; | |
500 | unsigned int pipe; | |
501 | int err, size; | |
502 | ||
503 | BT_DBG("%s", hdev->name); | |
504 | ||
505 | if (!data->isoc_rx_ep) | |
506 | return -ENODEV; | |
507 | ||
2eda66f4 | 508 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
509 | if (!urb) |
510 | return -ENOMEM; | |
511 | ||
512 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
513 | BTUSB_MAX_ISOC_FRAMES; | |
514 | ||
2eda66f4 | 515 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
516 | if (!buf) { |
517 | usb_free_urb(urb); | |
518 | return -ENOMEM; | |
519 | } | |
520 | ||
521 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
522 | ||
fa0fb93f BZ |
523 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
524 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
525 | |
526 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
527 | |
528 | __fill_isoc_descriptor(urb, size, | |
529 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
530 | ||
531 | usb_anchor_urb(urb, &data->isoc_anchor); | |
532 | ||
2eda66f4 | 533 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 534 | if (err < 0) { |
d4b8d1c9 PB |
535 | if (err != -EPERM && err != -ENODEV) |
536 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
537 | hdev->name, urb, -err); |
538 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
539 | } |
540 | ||
541 | usb_free_urb(urb); | |
542 | ||
543 | return err; | |
544 | } | |
545 | ||
5e23b923 | 546 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
547 | { |
548 | struct sk_buff *skb = urb->context; | |
549 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 550 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
551 | |
552 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
553 | urb, urb->status, urb->actual_length); | |
554 | ||
555 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
556 | goto done; | |
557 | ||
558 | if (!urb->status) | |
559 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
560 | else | |
561 | hdev->stat.err_tx++; | |
562 | ||
563 | done: | |
564 | spin_lock(&data->txlock); | |
565 | data->tx_in_flight--; | |
566 | spin_unlock(&data->txlock); | |
567 | ||
568 | kfree(urb->setup_packet); | |
569 | ||
570 | kfree_skb(skb); | |
571 | } | |
572 | ||
573 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
574 | { |
575 | struct sk_buff *skb = urb->context; | |
576 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
577 | ||
578 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
579 | urb, urb->status, urb->actual_length); | |
580 | ||
581 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
582 | goto done; | |
583 | ||
584 | if (!urb->status) | |
585 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
586 | else | |
587 | hdev->stat.err_tx++; | |
588 | ||
589 | done: | |
590 | kfree(urb->setup_packet); | |
591 | ||
592 | kfree_skb(skb); | |
593 | } | |
594 | ||
595 | static int btusb_open(struct hci_dev *hdev) | |
596 | { | |
155961e8 | 597 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
598 | int err; |
599 | ||
600 | BT_DBG("%s", hdev->name); | |
601 | ||
7bee549e ON |
602 | err = usb_autopm_get_interface(data->intf); |
603 | if (err < 0) | |
604 | return err; | |
605 | ||
606 | data->intf->needs_remote_wakeup = 1; | |
607 | ||
5e23b923 | 608 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 609 | goto done; |
5e23b923 MH |
610 | |
611 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 612 | goto done; |
5e23b923 | 613 | |
2eda66f4 | 614 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
615 | if (err < 0) |
616 | goto failed; | |
617 | ||
618 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 619 | if (err < 0) { |
43c2e57f MH |
620 | usb_kill_anchored_urbs(&data->intr_anchor); |
621 | goto failed; | |
5e23b923 MH |
622 | } |
623 | ||
43c2e57f MH |
624 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
625 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
626 | ||
7bee549e ON |
627 | done: |
628 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
629 | return 0; |
630 | ||
631 | failed: | |
632 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
633 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 634 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
635 | return err; |
636 | } | |
637 | ||
7bee549e ON |
638 | static void btusb_stop_traffic(struct btusb_data *data) |
639 | { | |
640 | usb_kill_anchored_urbs(&data->intr_anchor); | |
641 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
642 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
643 | } | |
644 | ||
5e23b923 MH |
645 | static int btusb_close(struct hci_dev *hdev) |
646 | { | |
155961e8 | 647 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 648 | int err; |
5e23b923 MH |
649 | |
650 | BT_DBG("%s", hdev->name); | |
651 | ||
652 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
653 | return 0; | |
654 | ||
e8c3c3d2 | 655 | cancel_work_sync(&data->work); |
404291ac | 656 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 657 | |
9bfa35fe | 658 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 659 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 660 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
661 | |
662 | btusb_stop_traffic(data); | |
663 | err = usb_autopm_get_interface(data->intf); | |
664 | if (err < 0) | |
7b8e2c1d | 665 | goto failed; |
7bee549e ON |
666 | |
667 | data->intf->needs_remote_wakeup = 0; | |
668 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 669 | |
7b8e2c1d ON |
670 | failed: |
671 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
672 | return 0; |
673 | } | |
674 | ||
675 | static int btusb_flush(struct hci_dev *hdev) | |
676 | { | |
155961e8 | 677 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
678 | |
679 | BT_DBG("%s", hdev->name); | |
680 | ||
681 | usb_kill_anchored_urbs(&data->tx_anchor); | |
682 | ||
683 | return 0; | |
684 | } | |
685 | ||
686 | static int btusb_send_frame(struct sk_buff *skb) | |
687 | { | |
688 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 689 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
690 | struct usb_ctrlrequest *dr; |
691 | struct urb *urb; | |
692 | unsigned int pipe; | |
693 | int err; | |
694 | ||
695 | BT_DBG("%s", hdev->name); | |
696 | ||
697 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
698 | return -EBUSY; | |
699 | ||
700 | switch (bt_cb(skb)->pkt_type) { | |
701 | case HCI_COMMAND_PKT: | |
702 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
703 | if (!urb) | |
704 | return -ENOMEM; | |
705 | ||
706 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
707 | if (!dr) { | |
708 | usb_free_urb(urb); | |
709 | return -ENOMEM; | |
710 | } | |
711 | ||
7a9d4020 | 712 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
713 | dr->bRequest = 0; |
714 | dr->wIndex = 0; | |
715 | dr->wValue = 0; | |
716 | dr->wLength = __cpu_to_le16(skb->len); | |
717 | ||
718 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
719 | ||
720 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
721 | skb->data, skb->len, btusb_tx_complete, skb); | |
722 | ||
723 | hdev->stat.cmd_tx++; | |
724 | break; | |
725 | ||
726 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 727 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
728 | return -ENODEV; |
729 | ||
5e23b923 MH |
730 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
731 | if (!urb) | |
732 | return -ENOMEM; | |
733 | ||
734 | pipe = usb_sndbulkpipe(data->udev, | |
735 | data->bulk_tx_ep->bEndpointAddress); | |
736 | ||
737 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
738 | skb->data, skb->len, btusb_tx_complete, skb); | |
739 | ||
740 | hdev->stat.acl_tx++; | |
741 | break; | |
742 | ||
743 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
744 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
745 | return -ENODEV; | |
746 | ||
747 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
748 | if (!urb) | |
749 | return -ENOMEM; | |
750 | ||
751 | pipe = usb_sndisocpipe(data->udev, | |
752 | data->isoc_tx_ep->bEndpointAddress); | |
753 | ||
03c2d0e8 GP |
754 | usb_fill_int_urb(urb, data->udev, pipe, |
755 | skb->data, skb->len, btusb_isoc_tx_complete, | |
756 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
757 | |
758 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
759 | |
760 | __fill_isoc_descriptor(urb, skb->len, | |
761 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
762 | ||
5e23b923 | 763 | hdev->stat.sco_tx++; |
7bee549e | 764 | goto skip_waking; |
5e23b923 MH |
765 | |
766 | default: | |
767 | return -EILSEQ; | |
768 | } | |
769 | ||
7bee549e ON |
770 | err = inc_tx(data); |
771 | if (err) { | |
772 | usb_anchor_urb(urb, &data->deferred); | |
773 | schedule_work(&data->waker); | |
774 | err = 0; | |
775 | goto done; | |
776 | } | |
777 | ||
778 | skip_waking: | |
5e23b923 MH |
779 | usb_anchor_urb(urb, &data->tx_anchor); |
780 | ||
781 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
782 | if (err < 0) { | |
5a9b80e2 PB |
783 | if (err != -EPERM && err != -ENODEV) |
784 | BT_ERR("%s urb %p submission failed (%d)", | |
785 | hdev->name, urb, -err); | |
5e23b923 MH |
786 | kfree(urb->setup_packet); |
787 | usb_unanchor_urb(urb); | |
7bee549e ON |
788 | } else { |
789 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
790 | } |
791 | ||
7bee549e | 792 | done: |
54a8a79c | 793 | usb_free_urb(urb); |
5e23b923 MH |
794 | return err; |
795 | } | |
796 | ||
5e23b923 MH |
797 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
798 | { | |
155961e8 | 799 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
800 | |
801 | BT_DBG("%s evt %d", hdev->name, evt); | |
802 | ||
43c2e57f MH |
803 | if (hdev->conn_hash.sco_num != data->sco_num) { |
804 | data->sco_num = hdev->conn_hash.sco_num; | |
805 | schedule_work(&data->work); | |
a780efa8 | 806 | } |
5e23b923 MH |
807 | } |
808 | ||
42b16b3f | 809 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 810 | { |
155961e8 | 811 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
812 | struct usb_interface *intf = data->isoc; |
813 | struct usb_endpoint_descriptor *ep_desc; | |
814 | int i, err; | |
815 | ||
816 | if (!data->isoc) | |
817 | return -ENODEV; | |
818 | ||
819 | err = usb_set_interface(data->udev, 1, altsetting); | |
820 | if (err < 0) { | |
821 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
822 | return err; | |
823 | } | |
824 | ||
825 | data->isoc_altsetting = altsetting; | |
826 | ||
827 | data->isoc_tx_ep = NULL; | |
828 | data->isoc_rx_ep = NULL; | |
829 | ||
830 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
831 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
832 | ||
833 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
834 | data->isoc_tx_ep = ep_desc; | |
835 | continue; | |
836 | } | |
837 | ||
838 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
839 | data->isoc_rx_ep = ep_desc; | |
840 | continue; | |
841 | } | |
842 | } | |
843 | ||
844 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
845 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
846 | return -ENODEV; | |
847 | } | |
848 | ||
849 | return 0; | |
850 | } | |
851 | ||
5e23b923 MH |
852 | static void btusb_work(struct work_struct *work) |
853 | { | |
854 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
855 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 856 | int new_alts; |
7bee549e | 857 | int err; |
5e23b923 | 858 | |
9bfa35fe | 859 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 860 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 861 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
862 | if (err < 0) { |
863 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
864 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
865 | return; | |
866 | } | |
867 | ||
08b8b6c4 | 868 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 869 | } |
f4001d28 MA |
870 | |
871 | if (hdev->voice_setting & 0x0020) { | |
872 | static const int alts[3] = { 2, 4, 5 }; | |
873 | new_alts = alts[hdev->conn_hash.sco_num - 1]; | |
874 | } else { | |
875 | new_alts = hdev->conn_hash.sco_num; | |
876 | } | |
877 | ||
878 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
879 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
880 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
881 | ||
f4001d28 | 882 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
883 | return; |
884 | } | |
885 | ||
886 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 887 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
888 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
889 | else | |
2eda66f4 | 890 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
891 | } |
892 | } else { | |
893 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
894 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
895 | ||
896 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 897 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 898 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
899 | } |
900 | } | |
901 | ||
7bee549e ON |
902 | static void btusb_waker(struct work_struct *work) |
903 | { | |
904 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
905 | int err; | |
906 | ||
907 | err = usb_autopm_get_interface(data->intf); | |
908 | if (err < 0) | |
909 | return; | |
910 | ||
911 | usb_autopm_put_interface(data->intf); | |
912 | } | |
913 | ||
5e23b923 MH |
914 | static int btusb_probe(struct usb_interface *intf, |
915 | const struct usb_device_id *id) | |
916 | { | |
917 | struct usb_endpoint_descriptor *ep_desc; | |
918 | struct btusb_data *data; | |
919 | struct hci_dev *hdev; | |
920 | int i, err; | |
921 | ||
922 | BT_DBG("intf %p id %p", intf, id); | |
923 | ||
cfeb4145 | 924 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
925 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
926 | return -ENODEV; | |
927 | ||
928 | if (!id->driver_info) { | |
929 | const struct usb_device_id *match; | |
930 | match = usb_match_id(intf, blacklist_table); | |
931 | if (match) | |
932 | id = match; | |
933 | } | |
934 | ||
cfeb4145 MH |
935 | if (id->driver_info == BTUSB_IGNORE) |
936 | return -ENODEV; | |
937 | ||
938 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
939 | return -ENODEV; | |
940 | ||
941 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
942 | return -ENODEV; | |
943 | ||
944 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
945 | return -ENODEV; | |
946 | ||
2d25f8b4 SL |
947 | if (id->driver_info & BTUSB_ATH3012) { |
948 | struct usb_device *udev = interface_to_usbdev(intf); | |
949 | ||
950 | /* Old firmware would otherwise let ath3k driver load | |
951 | * patch and sysconfig files */ | |
952 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
953 | return -ENODEV; | |
954 | } | |
955 | ||
5e23b923 MH |
956 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
957 | if (!data) | |
958 | return -ENOMEM; | |
959 | ||
960 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
961 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
962 | ||
963 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
964 | data->intr_ep = ep_desc; | |
965 | continue; | |
966 | } | |
967 | ||
968 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
969 | data->bulk_tx_ep = ep_desc; | |
970 | continue; | |
971 | } | |
972 | ||
973 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
974 | data->bulk_rx_ep = ep_desc; | |
975 | continue; | |
976 | } | |
977 | } | |
978 | ||
979 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
980 | kfree(data); | |
981 | return -ENODEV; | |
982 | } | |
983 | ||
7a9d4020 MH |
984 | data->cmdreq_type = USB_TYPE_CLASS; |
985 | ||
5e23b923 | 986 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 987 | data->intf = intf; |
5e23b923 MH |
988 | |
989 | spin_lock_init(&data->lock); | |
990 | ||
991 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
992 | INIT_WORK(&data->waker, btusb_waker); |
993 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
994 | |
995 | init_usb_anchor(&data->tx_anchor); | |
996 | init_usb_anchor(&data->intr_anchor); | |
997 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 998 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 999 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1000 | |
1001 | hdev = hci_alloc_dev(); | |
1002 | if (!hdev) { | |
1003 | kfree(data); | |
1004 | return -ENOMEM; | |
1005 | } | |
1006 | ||
c13854ce | 1007 | hdev->bus = HCI_USB; |
155961e8 | 1008 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1009 | |
1010 | data->hdev = hdev; | |
1011 | ||
1012 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1013 | ||
1014 | hdev->open = btusb_open; | |
1015 | hdev->close = btusb_close; | |
1016 | hdev->flush = btusb_flush; | |
1017 | hdev->send = btusb_send_frame; | |
5e23b923 MH |
1018 | hdev->notify = btusb_notify; |
1019 | ||
7a9d4020 | 1020 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1021 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1022 | ||
7a9d4020 | 1023 | if (!reset) |
a6c511c6 | 1024 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1025 | |
1026 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1027 | if (!disable_scofix) | |
1028 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1029 | } | |
1030 | ||
9bfa35fe MH |
1031 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1032 | data->isoc = NULL; | |
1033 | ||
7a9d4020 MH |
1034 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1035 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1036 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1037 | } |
1038 | ||
1039 | if (id->driver_info & BTUSB_CSR) { | |
1040 | struct usb_device *udev = data->udev; | |
1041 | ||
1042 | /* Old firmware would otherwise execute USB reset */ | |
1043 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
a6c511c6 | 1044 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1045 | } |
1046 | ||
cfeb4145 | 1047 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1048 | struct usb_device *udev = data->udev; |
cfeb4145 | 1049 | |
7a9d4020 | 1050 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1051 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1052 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1053 | |
1054 | data->isoc = NULL; | |
cfeb4145 MH |
1055 | } |
1056 | ||
1057 | if (id->driver_info & BTUSB_BCM92035) { | |
1058 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1059 | struct sk_buff *skb; | |
1060 | ||
1061 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1062 | if (skb) { | |
1063 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1064 | skb_queue_tail(&hdev->driver_init, skb); | |
1065 | } | |
1066 | } | |
5e23b923 | 1067 | |
9bfa35fe MH |
1068 | if (data->isoc) { |
1069 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1070 | data->isoc, data); |
9bfa35fe MH |
1071 | if (err < 0) { |
1072 | hci_free_dev(hdev); | |
1073 | kfree(data); | |
1074 | return err; | |
1075 | } | |
1076 | } | |
1077 | ||
5e23b923 MH |
1078 | err = hci_register_dev(hdev); |
1079 | if (err < 0) { | |
1080 | hci_free_dev(hdev); | |
1081 | kfree(data); | |
1082 | return err; | |
1083 | } | |
1084 | ||
1085 | usb_set_intfdata(intf, data); | |
1086 | ||
1087 | return 0; | |
1088 | } | |
1089 | ||
1090 | static void btusb_disconnect(struct usb_interface *intf) | |
1091 | { | |
1092 | struct btusb_data *data = usb_get_intfdata(intf); | |
1093 | struct hci_dev *hdev; | |
1094 | ||
1095 | BT_DBG("intf %p", intf); | |
1096 | ||
1097 | if (!data) | |
1098 | return; | |
1099 | ||
1100 | hdev = data->hdev; | |
5fbcd260 MH |
1101 | usb_set_intfdata(data->intf, NULL); |
1102 | ||
1103 | if (data->isoc) | |
1104 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1105 | |
1106 | hci_unregister_dev(hdev); | |
1107 | ||
5fbcd260 MH |
1108 | if (intf == data->isoc) |
1109 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1110 | else if (data->isoc) | |
1111 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1112 | ||
5e23b923 | 1113 | hci_free_dev(hdev); |
8381088e | 1114 | kfree(data); |
5e23b923 MH |
1115 | } |
1116 | ||
7bee549e | 1117 | #ifdef CONFIG_PM |
6a88adf2 MH |
1118 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1119 | { | |
1120 | struct btusb_data *data = usb_get_intfdata(intf); | |
1121 | ||
1122 | BT_DBG("intf %p", intf); | |
1123 | ||
1124 | if (data->suspend_count++) | |
1125 | return 0; | |
1126 | ||
7bee549e | 1127 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1128 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1129 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1130 | spin_unlock_irq(&data->txlock); | |
1131 | } else { | |
1132 | spin_unlock_irq(&data->txlock); | |
1133 | data->suspend_count--; | |
1134 | return -EBUSY; | |
1135 | } | |
1136 | ||
6a88adf2 MH |
1137 | cancel_work_sync(&data->work); |
1138 | ||
7bee549e | 1139 | btusb_stop_traffic(data); |
6a88adf2 MH |
1140 | usb_kill_anchored_urbs(&data->tx_anchor); |
1141 | ||
6a88adf2 MH |
1142 | return 0; |
1143 | } | |
1144 | ||
7bee549e ON |
1145 | static void play_deferred(struct btusb_data *data) |
1146 | { | |
1147 | struct urb *urb; | |
1148 | int err; | |
1149 | ||
1150 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1151 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1152 | if (err < 0) | |
1153 | break; | |
1154 | ||
1155 | data->tx_in_flight++; | |
1156 | } | |
1157 | usb_scuttle_anchored_urbs(&data->deferred); | |
1158 | } | |
1159 | ||
6a88adf2 MH |
1160 | static int btusb_resume(struct usb_interface *intf) |
1161 | { | |
1162 | struct btusb_data *data = usb_get_intfdata(intf); | |
1163 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1164 | int err = 0; |
6a88adf2 MH |
1165 | |
1166 | BT_DBG("intf %p", intf); | |
1167 | ||
1168 | if (--data->suspend_count) | |
1169 | return 0; | |
1170 | ||
1171 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1172 | goto done; |
6a88adf2 MH |
1173 | |
1174 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1175 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1176 | if (err < 0) { | |
1177 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1178 | goto failed; |
6a88adf2 MH |
1179 | } |
1180 | } | |
1181 | ||
1182 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1183 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1184 | if (err < 0) { | |
6a88adf2 | 1185 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1186 | goto failed; |
1187 | } | |
1188 | ||
1189 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1190 | } |
1191 | ||
1192 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1193 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1194 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1195 | else | |
1196 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1197 | } | |
1198 | ||
7bee549e ON |
1199 | spin_lock_irq(&data->txlock); |
1200 | play_deferred(data); | |
1201 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1202 | spin_unlock_irq(&data->txlock); | |
1203 | schedule_work(&data->work); | |
1204 | ||
6a88adf2 | 1205 | return 0; |
7bee549e ON |
1206 | |
1207 | failed: | |
1208 | usb_scuttle_anchored_urbs(&data->deferred); | |
1209 | done: | |
1210 | spin_lock_irq(&data->txlock); | |
1211 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1212 | spin_unlock_irq(&data->txlock); | |
1213 | ||
1214 | return err; | |
6a88adf2 | 1215 | } |
7bee549e | 1216 | #endif |
6a88adf2 | 1217 | |
5e23b923 MH |
1218 | static struct usb_driver btusb_driver = { |
1219 | .name = "btusb", | |
1220 | .probe = btusb_probe, | |
1221 | .disconnect = btusb_disconnect, | |
7bee549e | 1222 | #ifdef CONFIG_PM |
6a88adf2 MH |
1223 | .suspend = btusb_suspend, |
1224 | .resume = btusb_resume, | |
7bee549e | 1225 | #endif |
5e23b923 | 1226 | .id_table = btusb_table, |
7bee549e | 1227 | .supports_autosuspend = 1, |
e1f12eb6 | 1228 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1229 | }; |
1230 | ||
93f1508c | 1231 | module_usb_driver(btusb_driver); |
5e23b923 | 1232 | |
cfeb4145 MH |
1233 | module_param(ignore_dga, bool, 0644); |
1234 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1235 | ||
1236 | module_param(ignore_csr, bool, 0644); | |
1237 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1238 | ||
1239 | module_param(ignore_sniffer, bool, 0644); | |
1240 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1241 | ||
1242 | module_param(disable_scofix, bool, 0644); | |
1243 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1244 | ||
1245 | module_param(force_scofix, bool, 0644); | |
1246 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1247 | ||
1248 | module_param(reset, bool, 0644); | |
1249 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1250 | ||
5e23b923 MH |
1251 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1252 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1253 | MODULE_VERSION(VERSION); | |
1254 | MODULE_LICENSE("GPL"); |