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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) }, |
c0190925 | 97 | { USB_DEVICE(0x0a5c, 0x21e3) }, |
0a4eaeeb | 98 | { USB_DEVICE(0x0a5c, 0x21e6) }, |
6dfc326f | 99 | { USB_DEVICE(0x0a5c, 0x21e8) }, |
37305cf6 | 100 | { USB_DEVICE(0x0a5c, 0x21f3) }, |
d13431ca WJS |
101 | { USB_DEVICE(0x413c, 0x8197) }, |
102 | ||
98514036 SH |
103 | /* Foxconn - Hon Hai */ |
104 | { USB_DEVICE(0x0489, 0xe033) }, | |
105 | ||
5e23b923 MH |
106 | { } /* Terminating entry */ |
107 | }; | |
108 | ||
109 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
110 | ||
111 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
112 | /* CSR BlueCore devices */ |
113 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
114 | ||
115 | /* Broadcom BCM2033 without firmware */ | |
116 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
117 | ||
be93112a BS |
118 | /* Atheros 3011 with sflash firmware */ |
119 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
6eda541d | 120 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 121 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 122 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
6b6ba88b | 123 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
be93112a | 124 | |
509e7861 CYC |
125 | /* Atheros AR9285 Malbec with sflash firmware */ |
126 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
127 | ||
d9f51b51 | 128 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 129 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 130 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
9498ba7a | 131 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
55ed7d4d | 132 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
87522a43 | 133 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 134 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
6c4ae5c2 | 135 | { USB_DEVICE(0x0930, 0x0219), .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 }, | |
142 | ||
cfeb4145 | 143 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
144 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
145 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
146 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
147 | |
148 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
149 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
150 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 151 | |
cfeb4145 | 152 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
153 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
154 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
155 | |
156 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 157 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
158 | |
159 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 160 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 161 | |
5ddd4a60 | 162 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 163 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 164 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 165 | |
7a9d4020 MH |
166 | /* Belkin F8T012 and F8T013 devices */ |
167 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
168 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 169 | |
5ddd4a60 MH |
170 | /* Asus WL-BTD202 device */ |
171 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
172 | ||
173 | /* Kensington Bluetooth USB adapter */ | |
174 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
175 | ||
cfeb4145 MH |
176 | /* RTX Telecom based adapters with buggy SCO support */ |
177 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
178 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
179 | ||
180 | /* CONWISE Technology based adapters with buggy SCO support */ | |
181 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
182 | ||
cfeb4145 MH |
183 | /* Digianswer devices */ |
184 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
185 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
186 | ||
187 | /* CSR BlueCore Bluetooth Sniffer */ | |
188 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
189 | ||
190 | /* Frontline ComProbe Bluetooth Sniffer */ | |
191 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
192 | ||
5e23b923 MH |
193 | { } /* Terminating entry */ |
194 | }; | |
195 | ||
9bfa35fe MH |
196 | #define BTUSB_MAX_ISOC_FRAMES 10 |
197 | ||
5e23b923 MH |
198 | #define BTUSB_INTR_RUNNING 0 |
199 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 200 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 201 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 202 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
203 | |
204 | struct btusb_data { | |
205 | struct hci_dev *hdev; | |
206 | struct usb_device *udev; | |
5fbcd260 | 207 | struct usb_interface *intf; |
9bfa35fe | 208 | struct usb_interface *isoc; |
5e23b923 MH |
209 | |
210 | spinlock_t lock; | |
211 | ||
212 | unsigned long flags; | |
213 | ||
214 | struct work_struct work; | |
7bee549e | 215 | struct work_struct waker; |
5e23b923 MH |
216 | |
217 | struct usb_anchor tx_anchor; | |
218 | struct usb_anchor intr_anchor; | |
219 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 220 | struct usb_anchor isoc_anchor; |
7bee549e ON |
221 | struct usb_anchor deferred; |
222 | int tx_in_flight; | |
223 | spinlock_t txlock; | |
5e23b923 MH |
224 | |
225 | struct usb_endpoint_descriptor *intr_ep; | |
226 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
227 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
228 | struct usb_endpoint_descriptor *isoc_tx_ep; |
229 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
230 | ||
7a9d4020 MH |
231 | __u8 cmdreq_type; |
232 | ||
43c2e57f | 233 | unsigned int sco_num; |
9bfa35fe | 234 | int isoc_altsetting; |
6a88adf2 | 235 | int suspend_count; |
5e23b923 MH |
236 | }; |
237 | ||
7bee549e ON |
238 | static int inc_tx(struct btusb_data *data) |
239 | { | |
240 | unsigned long flags; | |
241 | int rv; | |
242 | ||
243 | spin_lock_irqsave(&data->txlock, flags); | |
244 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
245 | if (!rv) | |
246 | data->tx_in_flight++; | |
247 | spin_unlock_irqrestore(&data->txlock, flags); | |
248 | ||
249 | return rv; | |
250 | } | |
251 | ||
5e23b923 MH |
252 | static void btusb_intr_complete(struct urb *urb) |
253 | { | |
254 | struct hci_dev *hdev = urb->context; | |
155961e8 | 255 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
256 | int err; |
257 | ||
258 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
259 | urb, urb->status, urb->actual_length); | |
260 | ||
261 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
262 | return; | |
263 | ||
264 | if (urb->status == 0) { | |
9bfa35fe MH |
265 | hdev->stat.byte_rx += urb->actual_length; |
266 | ||
5e23b923 MH |
267 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
268 | urb->transfer_buffer, | |
269 | urb->actual_length) < 0) { | |
270 | BT_ERR("%s corrupted event packet", hdev->name); | |
271 | hdev->stat.err_rx++; | |
272 | } | |
273 | } | |
274 | ||
275 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
276 | return; | |
277 | ||
7bee549e | 278 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
279 | usb_anchor_urb(urb, &data->intr_anchor); |
280 | ||
281 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
282 | if (err < 0) { | |
4935f1c1 PB |
283 | /* -EPERM: urb is being killed; |
284 | * -ENODEV: device got disconnected */ | |
285 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 286 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
287 | hdev->name, urb, -err); |
288 | usb_unanchor_urb(urb); | |
289 | } | |
290 | } | |
291 | ||
2eda66f4 | 292 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 293 | { |
155961e8 | 294 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
295 | struct urb *urb; |
296 | unsigned char *buf; | |
297 | unsigned int pipe; | |
298 | int err, size; | |
299 | ||
300 | BT_DBG("%s", hdev->name); | |
301 | ||
9bfa35fe MH |
302 | if (!data->intr_ep) |
303 | return -ENODEV; | |
304 | ||
2eda66f4 | 305 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
306 | if (!urb) |
307 | return -ENOMEM; | |
308 | ||
309 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
310 | ||
2eda66f4 | 311 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
312 | if (!buf) { |
313 | usb_free_urb(urb); | |
314 | return -ENOMEM; | |
315 | } | |
316 | ||
317 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
318 | ||
319 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
320 | btusb_intr_complete, hdev, | |
321 | data->intr_ep->bInterval); | |
322 | ||
323 | urb->transfer_flags |= URB_FREE_BUFFER; | |
324 | ||
325 | usb_anchor_urb(urb, &data->intr_anchor); | |
326 | ||
2eda66f4 | 327 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 328 | if (err < 0) { |
d4b8d1c9 PB |
329 | if (err != -EPERM && err != -ENODEV) |
330 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
331 | hdev->name, urb, -err); |
332 | usb_unanchor_urb(urb); | |
5e23b923 MH |
333 | } |
334 | ||
335 | usb_free_urb(urb); | |
336 | ||
337 | return err; | |
338 | } | |
339 | ||
340 | static void btusb_bulk_complete(struct urb *urb) | |
341 | { | |
342 | struct hci_dev *hdev = urb->context; | |
155961e8 | 343 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
344 | int err; |
345 | ||
346 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
347 | urb, urb->status, urb->actual_length); | |
348 | ||
349 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
350 | return; | |
351 | ||
352 | if (urb->status == 0) { | |
9bfa35fe MH |
353 | hdev->stat.byte_rx += urb->actual_length; |
354 | ||
5e23b923 MH |
355 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
356 | urb->transfer_buffer, | |
357 | urb->actual_length) < 0) { | |
358 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
359 | hdev->stat.err_rx++; | |
360 | } | |
361 | } | |
362 | ||
363 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
364 | return; | |
365 | ||
366 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 367 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
368 | |
369 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
370 | if (err < 0) { | |
4935f1c1 PB |
371 | /* -EPERM: urb is being killed; |
372 | * -ENODEV: device got disconnected */ | |
373 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 374 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
375 | hdev->name, urb, -err); |
376 | usb_unanchor_urb(urb); | |
377 | } | |
378 | } | |
379 | ||
2eda66f4 | 380 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 381 | { |
155961e8 | 382 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
383 | struct urb *urb; |
384 | unsigned char *buf; | |
385 | unsigned int pipe; | |
290ba200 | 386 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
387 | |
388 | BT_DBG("%s", hdev->name); | |
389 | ||
9bfa35fe MH |
390 | if (!data->bulk_rx_ep) |
391 | return -ENODEV; | |
392 | ||
2eda66f4 | 393 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
394 | if (!urb) |
395 | return -ENOMEM; | |
396 | ||
2eda66f4 | 397 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
398 | if (!buf) { |
399 | usb_free_urb(urb); | |
400 | return -ENOMEM; | |
401 | } | |
402 | ||
403 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
404 | ||
405 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
406 | buf, size, btusb_bulk_complete, hdev); | |
407 | ||
408 | urb->transfer_flags |= URB_FREE_BUFFER; | |
409 | ||
7bee549e | 410 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
411 | usb_anchor_urb(urb, &data->bulk_anchor); |
412 | ||
2eda66f4 | 413 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 414 | if (err < 0) { |
d4b8d1c9 PB |
415 | if (err != -EPERM && err != -ENODEV) |
416 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
417 | hdev->name, urb, -err); |
418 | usb_unanchor_urb(urb); | |
5e23b923 MH |
419 | } |
420 | ||
421 | usb_free_urb(urb); | |
422 | ||
423 | return err; | |
424 | } | |
425 | ||
9bfa35fe MH |
426 | static void btusb_isoc_complete(struct urb *urb) |
427 | { | |
428 | struct hci_dev *hdev = urb->context; | |
155961e8 | 429 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
430 | int i, err; |
431 | ||
432 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
433 | urb, urb->status, urb->actual_length); | |
434 | ||
435 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
436 | return; | |
437 | ||
438 | if (urb->status == 0) { | |
439 | for (i = 0; i < urb->number_of_packets; i++) { | |
440 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
441 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
442 | ||
443 | if (urb->iso_frame_desc[i].status) | |
444 | continue; | |
445 | ||
446 | hdev->stat.byte_rx += length; | |
447 | ||
448 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
449 | urb->transfer_buffer + offset, | |
450 | length) < 0) { | |
451 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
452 | hdev->stat.err_rx++; | |
453 | } | |
454 | } | |
455 | } | |
456 | ||
457 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
458 | return; | |
459 | ||
460 | usb_anchor_urb(urb, &data->isoc_anchor); | |
461 | ||
462 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
463 | if (err < 0) { | |
4935f1c1 PB |
464 | /* -EPERM: urb is being killed; |
465 | * -ENODEV: device got disconnected */ | |
466 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 467 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
468 | hdev->name, urb, -err); |
469 | usb_unanchor_urb(urb); | |
470 | } | |
471 | } | |
472 | ||
42b16b3f | 473 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
474 | { |
475 | int i, offset = 0; | |
476 | ||
477 | BT_DBG("len %d mtu %d", len, mtu); | |
478 | ||
479 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
480 | i++, offset += mtu, len -= mtu) { | |
481 | urb->iso_frame_desc[i].offset = offset; | |
482 | urb->iso_frame_desc[i].length = mtu; | |
483 | } | |
484 | ||
485 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
486 | urb->iso_frame_desc[i].offset = offset; | |
487 | urb->iso_frame_desc[i].length = len; | |
488 | i++; | |
489 | } | |
490 | ||
491 | urb->number_of_packets = i; | |
492 | } | |
493 | ||
2eda66f4 | 494 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 495 | { |
155961e8 | 496 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
497 | struct urb *urb; |
498 | unsigned char *buf; | |
499 | unsigned int pipe; | |
500 | int err, size; | |
501 | ||
502 | BT_DBG("%s", hdev->name); | |
503 | ||
504 | if (!data->isoc_rx_ep) | |
505 | return -ENODEV; | |
506 | ||
2eda66f4 | 507 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
508 | if (!urb) |
509 | return -ENOMEM; | |
510 | ||
511 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
512 | BTUSB_MAX_ISOC_FRAMES; | |
513 | ||
2eda66f4 | 514 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
515 | if (!buf) { |
516 | usb_free_urb(urb); | |
517 | return -ENOMEM; | |
518 | } | |
519 | ||
520 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
521 | ||
fa0fb93f BZ |
522 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
523 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
524 | |
525 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
526 | |
527 | __fill_isoc_descriptor(urb, size, | |
528 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
529 | ||
530 | usb_anchor_urb(urb, &data->isoc_anchor); | |
531 | ||
2eda66f4 | 532 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 533 | if (err < 0) { |
d4b8d1c9 PB |
534 | if (err != -EPERM && err != -ENODEV) |
535 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
536 | hdev->name, urb, -err); |
537 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
538 | } |
539 | ||
540 | usb_free_urb(urb); | |
541 | ||
542 | return err; | |
543 | } | |
544 | ||
5e23b923 | 545 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
546 | { |
547 | struct sk_buff *skb = urb->context; | |
548 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 549 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
550 | |
551 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
552 | urb, urb->status, urb->actual_length); | |
553 | ||
554 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
555 | goto done; | |
556 | ||
557 | if (!urb->status) | |
558 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
559 | else | |
560 | hdev->stat.err_tx++; | |
561 | ||
562 | done: | |
563 | spin_lock(&data->txlock); | |
564 | data->tx_in_flight--; | |
565 | spin_unlock(&data->txlock); | |
566 | ||
567 | kfree(urb->setup_packet); | |
568 | ||
569 | kfree_skb(skb); | |
570 | } | |
571 | ||
572 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
573 | { |
574 | struct sk_buff *skb = urb->context; | |
575 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
576 | ||
577 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
578 | urb, urb->status, urb->actual_length); | |
579 | ||
580 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
581 | goto done; | |
582 | ||
583 | if (!urb->status) | |
584 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
585 | else | |
586 | hdev->stat.err_tx++; | |
587 | ||
588 | done: | |
589 | kfree(urb->setup_packet); | |
590 | ||
591 | kfree_skb(skb); | |
592 | } | |
593 | ||
594 | static int btusb_open(struct hci_dev *hdev) | |
595 | { | |
155961e8 | 596 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
597 | int err; |
598 | ||
599 | BT_DBG("%s", hdev->name); | |
600 | ||
7bee549e ON |
601 | err = usb_autopm_get_interface(data->intf); |
602 | if (err < 0) | |
603 | return err; | |
604 | ||
605 | data->intf->needs_remote_wakeup = 1; | |
606 | ||
5e23b923 | 607 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 608 | goto done; |
5e23b923 MH |
609 | |
610 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 611 | goto done; |
5e23b923 | 612 | |
2eda66f4 | 613 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
614 | if (err < 0) |
615 | goto failed; | |
616 | ||
617 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 618 | if (err < 0) { |
43c2e57f MH |
619 | usb_kill_anchored_urbs(&data->intr_anchor); |
620 | goto failed; | |
5e23b923 MH |
621 | } |
622 | ||
43c2e57f MH |
623 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
624 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
625 | ||
7bee549e ON |
626 | done: |
627 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
628 | return 0; |
629 | ||
630 | failed: | |
631 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
632 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 633 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
634 | return err; |
635 | } | |
636 | ||
7bee549e ON |
637 | static void btusb_stop_traffic(struct btusb_data *data) |
638 | { | |
639 | usb_kill_anchored_urbs(&data->intr_anchor); | |
640 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
641 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
642 | } | |
643 | ||
5e23b923 MH |
644 | static int btusb_close(struct hci_dev *hdev) |
645 | { | |
155961e8 | 646 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 647 | int err; |
5e23b923 MH |
648 | |
649 | BT_DBG("%s", hdev->name); | |
650 | ||
651 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
652 | return 0; | |
653 | ||
e8c3c3d2 | 654 | cancel_work_sync(&data->work); |
404291ac | 655 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 656 | |
9bfa35fe | 657 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 658 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 659 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
660 | |
661 | btusb_stop_traffic(data); | |
662 | err = usb_autopm_get_interface(data->intf); | |
663 | if (err < 0) | |
7b8e2c1d | 664 | goto failed; |
7bee549e ON |
665 | |
666 | data->intf->needs_remote_wakeup = 0; | |
667 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 668 | |
7b8e2c1d ON |
669 | failed: |
670 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
671 | return 0; |
672 | } | |
673 | ||
674 | static int btusb_flush(struct hci_dev *hdev) | |
675 | { | |
155961e8 | 676 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
677 | |
678 | BT_DBG("%s", hdev->name); | |
679 | ||
680 | usb_kill_anchored_urbs(&data->tx_anchor); | |
681 | ||
682 | return 0; | |
683 | } | |
684 | ||
685 | static int btusb_send_frame(struct sk_buff *skb) | |
686 | { | |
687 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 688 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
689 | struct usb_ctrlrequest *dr; |
690 | struct urb *urb; | |
691 | unsigned int pipe; | |
692 | int err; | |
693 | ||
694 | BT_DBG("%s", hdev->name); | |
695 | ||
696 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
697 | return -EBUSY; | |
698 | ||
699 | switch (bt_cb(skb)->pkt_type) { | |
700 | case HCI_COMMAND_PKT: | |
701 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
702 | if (!urb) | |
703 | return -ENOMEM; | |
704 | ||
705 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
706 | if (!dr) { | |
707 | usb_free_urb(urb); | |
708 | return -ENOMEM; | |
709 | } | |
710 | ||
7a9d4020 | 711 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
712 | dr->bRequest = 0; |
713 | dr->wIndex = 0; | |
714 | dr->wValue = 0; | |
715 | dr->wLength = __cpu_to_le16(skb->len); | |
716 | ||
717 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
718 | ||
719 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
720 | skb->data, skb->len, btusb_tx_complete, skb); | |
721 | ||
722 | hdev->stat.cmd_tx++; | |
723 | break; | |
724 | ||
725 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 726 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
727 | return -ENODEV; |
728 | ||
5e23b923 MH |
729 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
730 | if (!urb) | |
731 | return -ENOMEM; | |
732 | ||
733 | pipe = usb_sndbulkpipe(data->udev, | |
734 | data->bulk_tx_ep->bEndpointAddress); | |
735 | ||
736 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
737 | skb->data, skb->len, btusb_tx_complete, skb); | |
738 | ||
739 | hdev->stat.acl_tx++; | |
740 | break; | |
741 | ||
742 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
743 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
744 | return -ENODEV; | |
745 | ||
746 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
747 | if (!urb) | |
748 | return -ENOMEM; | |
749 | ||
750 | pipe = usb_sndisocpipe(data->udev, | |
751 | data->isoc_tx_ep->bEndpointAddress); | |
752 | ||
03c2d0e8 GP |
753 | usb_fill_int_urb(urb, data->udev, pipe, |
754 | skb->data, skb->len, btusb_isoc_tx_complete, | |
755 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
756 | |
757 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
758 | |
759 | __fill_isoc_descriptor(urb, skb->len, | |
760 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
761 | ||
5e23b923 | 762 | hdev->stat.sco_tx++; |
7bee549e | 763 | goto skip_waking; |
5e23b923 MH |
764 | |
765 | default: | |
766 | return -EILSEQ; | |
767 | } | |
768 | ||
7bee549e ON |
769 | err = inc_tx(data); |
770 | if (err) { | |
771 | usb_anchor_urb(urb, &data->deferred); | |
772 | schedule_work(&data->waker); | |
773 | err = 0; | |
774 | goto done; | |
775 | } | |
776 | ||
777 | skip_waking: | |
5e23b923 MH |
778 | usb_anchor_urb(urb, &data->tx_anchor); |
779 | ||
780 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
781 | if (err < 0) { | |
5a9b80e2 PB |
782 | if (err != -EPERM && err != -ENODEV) |
783 | BT_ERR("%s urb %p submission failed (%d)", | |
784 | hdev->name, urb, -err); | |
5e23b923 MH |
785 | kfree(urb->setup_packet); |
786 | usb_unanchor_urb(urb); | |
7bee549e ON |
787 | } else { |
788 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
789 | } |
790 | ||
7bee549e | 791 | done: |
54a8a79c | 792 | usb_free_urb(urb); |
5e23b923 MH |
793 | return err; |
794 | } | |
795 | ||
5e23b923 MH |
796 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
797 | { | |
155961e8 | 798 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
799 | |
800 | BT_DBG("%s evt %d", hdev->name, evt); | |
801 | ||
43c2e57f MH |
802 | if (hdev->conn_hash.sco_num != data->sco_num) { |
803 | data->sco_num = hdev->conn_hash.sco_num; | |
804 | schedule_work(&data->work); | |
a780efa8 | 805 | } |
5e23b923 MH |
806 | } |
807 | ||
42b16b3f | 808 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 809 | { |
155961e8 | 810 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
811 | struct usb_interface *intf = data->isoc; |
812 | struct usb_endpoint_descriptor *ep_desc; | |
813 | int i, err; | |
814 | ||
815 | if (!data->isoc) | |
816 | return -ENODEV; | |
817 | ||
818 | err = usb_set_interface(data->udev, 1, altsetting); | |
819 | if (err < 0) { | |
820 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
821 | return err; | |
822 | } | |
823 | ||
824 | data->isoc_altsetting = altsetting; | |
825 | ||
826 | data->isoc_tx_ep = NULL; | |
827 | data->isoc_rx_ep = NULL; | |
828 | ||
829 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
830 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
831 | ||
832 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
833 | data->isoc_tx_ep = ep_desc; | |
834 | continue; | |
835 | } | |
836 | ||
837 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
838 | data->isoc_rx_ep = ep_desc; | |
839 | continue; | |
840 | } | |
841 | } | |
842 | ||
843 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
844 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
845 | return -ENODEV; | |
846 | } | |
847 | ||
848 | return 0; | |
849 | } | |
850 | ||
5e23b923 MH |
851 | static void btusb_work(struct work_struct *work) |
852 | { | |
853 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
854 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 855 | int new_alts; |
7bee549e | 856 | int err; |
5e23b923 | 857 | |
9bfa35fe | 858 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 859 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 860 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
861 | if (err < 0) { |
862 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
863 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
864 | return; | |
865 | } | |
866 | ||
08b8b6c4 | 867 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 868 | } |
f4001d28 MA |
869 | |
870 | if (hdev->voice_setting & 0x0020) { | |
871 | static const int alts[3] = { 2, 4, 5 }; | |
872 | new_alts = alts[hdev->conn_hash.sco_num - 1]; | |
873 | } else { | |
874 | new_alts = hdev->conn_hash.sco_num; | |
875 | } | |
876 | ||
877 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
878 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
879 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
880 | ||
f4001d28 | 881 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
882 | return; |
883 | } | |
884 | ||
885 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 886 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
887 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
888 | else | |
2eda66f4 | 889 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
890 | } |
891 | } else { | |
892 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
893 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
894 | ||
895 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 896 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 897 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
898 | } |
899 | } | |
900 | ||
7bee549e ON |
901 | static void btusb_waker(struct work_struct *work) |
902 | { | |
903 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
904 | int err; | |
905 | ||
906 | err = usb_autopm_get_interface(data->intf); | |
907 | if (err < 0) | |
908 | return; | |
909 | ||
910 | usb_autopm_put_interface(data->intf); | |
911 | } | |
912 | ||
5e23b923 MH |
913 | static int btusb_probe(struct usb_interface *intf, |
914 | const struct usb_device_id *id) | |
915 | { | |
916 | struct usb_endpoint_descriptor *ep_desc; | |
917 | struct btusb_data *data; | |
918 | struct hci_dev *hdev; | |
919 | int i, err; | |
920 | ||
921 | BT_DBG("intf %p id %p", intf, id); | |
922 | ||
cfeb4145 | 923 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
924 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
925 | return -ENODEV; | |
926 | ||
927 | if (!id->driver_info) { | |
928 | const struct usb_device_id *match; | |
929 | match = usb_match_id(intf, blacklist_table); | |
930 | if (match) | |
931 | id = match; | |
932 | } | |
933 | ||
cfeb4145 MH |
934 | if (id->driver_info == BTUSB_IGNORE) |
935 | return -ENODEV; | |
936 | ||
937 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
938 | return -ENODEV; | |
939 | ||
940 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
941 | return -ENODEV; | |
942 | ||
943 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
944 | return -ENODEV; | |
945 | ||
2d25f8b4 SL |
946 | if (id->driver_info & BTUSB_ATH3012) { |
947 | struct usb_device *udev = interface_to_usbdev(intf); | |
948 | ||
949 | /* Old firmware would otherwise let ath3k driver load | |
950 | * patch and sysconfig files */ | |
951 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
952 | return -ENODEV; | |
953 | } | |
954 | ||
5e23b923 MH |
955 | data = kzalloc(sizeof(*data), GFP_KERNEL); |
956 | if (!data) | |
957 | return -ENOMEM; | |
958 | ||
959 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
960 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
961 | ||
962 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
963 | data->intr_ep = ep_desc; | |
964 | continue; | |
965 | } | |
966 | ||
967 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
968 | data->bulk_tx_ep = ep_desc; | |
969 | continue; | |
970 | } | |
971 | ||
972 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
973 | data->bulk_rx_ep = ep_desc; | |
974 | continue; | |
975 | } | |
976 | } | |
977 | ||
978 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) { | |
979 | kfree(data); | |
980 | return -ENODEV; | |
981 | } | |
982 | ||
7a9d4020 MH |
983 | data->cmdreq_type = USB_TYPE_CLASS; |
984 | ||
5e23b923 | 985 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 986 | data->intf = intf; |
5e23b923 MH |
987 | |
988 | spin_lock_init(&data->lock); | |
989 | ||
990 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
991 | INIT_WORK(&data->waker, btusb_waker); |
992 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
993 | |
994 | init_usb_anchor(&data->tx_anchor); | |
995 | init_usb_anchor(&data->intr_anchor); | |
996 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 997 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 998 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
999 | |
1000 | hdev = hci_alloc_dev(); | |
1001 | if (!hdev) { | |
1002 | kfree(data); | |
1003 | return -ENOMEM; | |
1004 | } | |
1005 | ||
c13854ce | 1006 | hdev->bus = HCI_USB; |
155961e8 | 1007 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1008 | |
1009 | data->hdev = hdev; | |
1010 | ||
1011 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1012 | ||
1013 | hdev->open = btusb_open; | |
1014 | hdev->close = btusb_close; | |
1015 | hdev->flush = btusb_flush; | |
1016 | hdev->send = btusb_send_frame; | |
5e23b923 MH |
1017 | hdev->notify = btusb_notify; |
1018 | ||
7a9d4020 | 1019 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1020 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1021 | ||
7a9d4020 | 1022 | if (!reset) |
a6c511c6 | 1023 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1024 | |
1025 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1026 | if (!disable_scofix) | |
1027 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1028 | } | |
1029 | ||
9bfa35fe MH |
1030 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1031 | data->isoc = NULL; | |
1032 | ||
7a9d4020 MH |
1033 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1034 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1035 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1036 | } |
1037 | ||
1038 | if (id->driver_info & BTUSB_CSR) { | |
1039 | struct usb_device *udev = data->udev; | |
1040 | ||
1041 | /* Old firmware would otherwise execute USB reset */ | |
1042 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
a6c511c6 | 1043 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1044 | } |
1045 | ||
cfeb4145 | 1046 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1047 | struct usb_device *udev = data->udev; |
cfeb4145 | 1048 | |
7a9d4020 | 1049 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1050 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1051 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1052 | |
1053 | data->isoc = NULL; | |
cfeb4145 MH |
1054 | } |
1055 | ||
1056 | if (id->driver_info & BTUSB_BCM92035) { | |
1057 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1058 | struct sk_buff *skb; | |
1059 | ||
1060 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1061 | if (skb) { | |
1062 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1063 | skb_queue_tail(&hdev->driver_init, skb); | |
1064 | } | |
1065 | } | |
5e23b923 | 1066 | |
9bfa35fe MH |
1067 | if (data->isoc) { |
1068 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1069 | data->isoc, data); |
9bfa35fe MH |
1070 | if (err < 0) { |
1071 | hci_free_dev(hdev); | |
1072 | kfree(data); | |
1073 | return err; | |
1074 | } | |
1075 | } | |
1076 | ||
5e23b923 MH |
1077 | err = hci_register_dev(hdev); |
1078 | if (err < 0) { | |
1079 | hci_free_dev(hdev); | |
1080 | kfree(data); | |
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 | 1112 | hci_free_dev(hdev); |
8381088e | 1113 | kfree(data); |
5e23b923 MH |
1114 | } |
1115 | ||
7bee549e | 1116 | #ifdef CONFIG_PM |
6a88adf2 MH |
1117 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1118 | { | |
1119 | struct btusb_data *data = usb_get_intfdata(intf); | |
1120 | ||
1121 | BT_DBG("intf %p", intf); | |
1122 | ||
1123 | if (data->suspend_count++) | |
1124 | return 0; | |
1125 | ||
7bee549e | 1126 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1127 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1128 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1129 | spin_unlock_irq(&data->txlock); | |
1130 | } else { | |
1131 | spin_unlock_irq(&data->txlock); | |
1132 | data->suspend_count--; | |
1133 | return -EBUSY; | |
1134 | } | |
1135 | ||
6a88adf2 MH |
1136 | cancel_work_sync(&data->work); |
1137 | ||
7bee549e | 1138 | btusb_stop_traffic(data); |
6a88adf2 MH |
1139 | usb_kill_anchored_urbs(&data->tx_anchor); |
1140 | ||
6a88adf2 MH |
1141 | return 0; |
1142 | } | |
1143 | ||
7bee549e ON |
1144 | static void play_deferred(struct btusb_data *data) |
1145 | { | |
1146 | struct urb *urb; | |
1147 | int err; | |
1148 | ||
1149 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1150 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1151 | if (err < 0) | |
1152 | break; | |
1153 | ||
1154 | data->tx_in_flight++; | |
1155 | } | |
1156 | usb_scuttle_anchored_urbs(&data->deferred); | |
1157 | } | |
1158 | ||
6a88adf2 MH |
1159 | static int btusb_resume(struct usb_interface *intf) |
1160 | { | |
1161 | struct btusb_data *data = usb_get_intfdata(intf); | |
1162 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1163 | int err = 0; |
6a88adf2 MH |
1164 | |
1165 | BT_DBG("intf %p", intf); | |
1166 | ||
1167 | if (--data->suspend_count) | |
1168 | return 0; | |
1169 | ||
1170 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1171 | goto done; |
6a88adf2 MH |
1172 | |
1173 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1174 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1175 | if (err < 0) { | |
1176 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1177 | goto failed; |
6a88adf2 MH |
1178 | } |
1179 | } | |
1180 | ||
1181 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1182 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1183 | if (err < 0) { | |
6a88adf2 | 1184 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1185 | goto failed; |
1186 | } | |
1187 | ||
1188 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1189 | } |
1190 | ||
1191 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1192 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1193 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1194 | else | |
1195 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1196 | } | |
1197 | ||
7bee549e ON |
1198 | spin_lock_irq(&data->txlock); |
1199 | play_deferred(data); | |
1200 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1201 | spin_unlock_irq(&data->txlock); | |
1202 | schedule_work(&data->work); | |
1203 | ||
6a88adf2 | 1204 | return 0; |
7bee549e ON |
1205 | |
1206 | failed: | |
1207 | usb_scuttle_anchored_urbs(&data->deferred); | |
1208 | done: | |
1209 | spin_lock_irq(&data->txlock); | |
1210 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1211 | spin_unlock_irq(&data->txlock); | |
1212 | ||
1213 | return err; | |
6a88adf2 | 1214 | } |
7bee549e | 1215 | #endif |
6a88adf2 | 1216 | |
5e23b923 MH |
1217 | static struct usb_driver btusb_driver = { |
1218 | .name = "btusb", | |
1219 | .probe = btusb_probe, | |
1220 | .disconnect = btusb_disconnect, | |
7bee549e | 1221 | #ifdef CONFIG_PM |
6a88adf2 MH |
1222 | .suspend = btusb_suspend, |
1223 | .resume = btusb_resume, | |
7bee549e | 1224 | #endif |
5e23b923 | 1225 | .id_table = btusb_table, |
7bee549e | 1226 | .supports_autosuspend = 1, |
e1f12eb6 | 1227 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1228 | }; |
1229 | ||
93f1508c | 1230 | module_usb_driver(btusb_driver); |
5e23b923 | 1231 | |
cfeb4145 MH |
1232 | module_param(ignore_dga, bool, 0644); |
1233 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1234 | ||
1235 | module_param(ignore_csr, bool, 0644); | |
1236 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1237 | ||
1238 | module_param(ignore_sniffer, bool, 0644); | |
1239 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1240 | ||
1241 | module_param(disable_scofix, bool, 0644); | |
1242 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1243 | ||
1244 | module_param(force_scofix, bool, 0644); | |
1245 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1246 | ||
1247 | module_param(reset, bool, 0644); | |
1248 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1249 | ||
5e23b923 MH |
1250 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1251 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1252 | MODULE_VERSION(VERSION); | |
1253 | MODULE_LICENSE("GPL"); |