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 */ |
1ee3ff61 | 99 | { USB_DEVICE(0x0b05, 0x17b5) }, |
0c1abbd1 | 100 | { USB_DEVICE(0x04ca, 0x2003) }, |
79cd7602 | 101 | { USB_DEVICE(0x0489, 0xe042) }, |
d13431ca WJS |
102 | { USB_DEVICE(0x413c, 0x8197) }, |
103 | ||
98514036 | 104 | /* Foxconn - Hon Hai */ |
ee66401b | 105 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
98514036 | 106 | |
92c385f4 GP |
107 | /*Broadcom devices with vendor specific id */ |
108 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, | |
109 | ||
5e23b923 MH |
110 | { } /* Terminating entry */ |
111 | }; | |
112 | ||
113 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
114 | ||
115 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
116 | /* CSR BlueCore devices */ |
117 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
118 | ||
119 | /* Broadcom BCM2033 without firmware */ | |
120 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
121 | ||
be93112a BS |
122 | /* Atheros 3011 with sflash firmware */ |
123 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
6eda541d | 124 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 125 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 126 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
6b6ba88b | 127 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
acd94544 | 128 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
be93112a | 129 | |
509e7861 CYC |
130 | /* Atheros AR9285 Malbec with sflash firmware */ |
131 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
132 | ||
d9f51b51 | 133 | /* Atheros 3012 with sflash firmware */ |
2d25f8b4 | 134 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 135 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
9498ba7a | 136 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
55ed7d4d | 137 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
87522a43 | 138 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 139 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
6c4ae5c2 | 140 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
2096ae6c | 141 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
eed307e2 | 142 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 143 | |
e9036e33 CYC |
144 | /* Atheros AR5BBU12 with sflash firmware */ |
145 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
146 | ||
85d59726 MG |
147 | /* Atheros AR5BBU12 with sflash firmware */ |
148 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, | |
bc21fde2 | 149 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 150 | |
cfeb4145 | 151 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
152 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
153 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
154 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
155 | |
156 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
157 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
158 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 159 | |
cfeb4145 | 160 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
161 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
162 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
163 | |
164 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 165 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
166 | |
167 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 168 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 169 | |
5ddd4a60 | 170 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 171 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 172 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 173 | |
7a9d4020 MH |
174 | /* Belkin F8T012 and F8T013 devices */ |
175 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
176 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 177 | |
5ddd4a60 MH |
178 | /* Asus WL-BTD202 device */ |
179 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
180 | ||
181 | /* Kensington Bluetooth USB adapter */ | |
182 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
183 | ||
cfeb4145 MH |
184 | /* RTX Telecom based adapters with buggy SCO support */ |
185 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
186 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
187 | ||
188 | /* CONWISE Technology based adapters with buggy SCO support */ | |
189 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
190 | ||
cfeb4145 MH |
191 | /* Digianswer devices */ |
192 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
193 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
194 | ||
195 | /* CSR BlueCore Bluetooth Sniffer */ | |
196 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
197 | ||
198 | /* Frontline ComProbe Bluetooth Sniffer */ | |
199 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
200 | ||
5e23b923 MH |
201 | { } /* Terminating entry */ |
202 | }; | |
203 | ||
9bfa35fe MH |
204 | #define BTUSB_MAX_ISOC_FRAMES 10 |
205 | ||
5e23b923 MH |
206 | #define BTUSB_INTR_RUNNING 0 |
207 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 208 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 209 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 210 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
211 | |
212 | struct btusb_data { | |
213 | struct hci_dev *hdev; | |
214 | struct usb_device *udev; | |
5fbcd260 | 215 | struct usb_interface *intf; |
9bfa35fe | 216 | struct usb_interface *isoc; |
5e23b923 MH |
217 | |
218 | spinlock_t lock; | |
219 | ||
220 | unsigned long flags; | |
221 | ||
222 | struct work_struct work; | |
7bee549e | 223 | struct work_struct waker; |
5e23b923 MH |
224 | |
225 | struct usb_anchor tx_anchor; | |
226 | struct usb_anchor intr_anchor; | |
227 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 228 | struct usb_anchor isoc_anchor; |
7bee549e ON |
229 | struct usb_anchor deferred; |
230 | int tx_in_flight; | |
231 | spinlock_t txlock; | |
5e23b923 MH |
232 | |
233 | struct usb_endpoint_descriptor *intr_ep; | |
234 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
235 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
236 | struct usb_endpoint_descriptor *isoc_tx_ep; |
237 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
238 | ||
7a9d4020 MH |
239 | __u8 cmdreq_type; |
240 | ||
43c2e57f | 241 | unsigned int sco_num; |
9bfa35fe | 242 | int isoc_altsetting; |
6a88adf2 | 243 | int suspend_count; |
5e23b923 MH |
244 | }; |
245 | ||
7bee549e ON |
246 | static int inc_tx(struct btusb_data *data) |
247 | { | |
248 | unsigned long flags; | |
249 | int rv; | |
250 | ||
251 | spin_lock_irqsave(&data->txlock, flags); | |
252 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
253 | if (!rv) | |
254 | data->tx_in_flight++; | |
255 | spin_unlock_irqrestore(&data->txlock, flags); | |
256 | ||
257 | return rv; | |
258 | } | |
259 | ||
5e23b923 MH |
260 | static void btusb_intr_complete(struct urb *urb) |
261 | { | |
262 | struct hci_dev *hdev = urb->context; | |
155961e8 | 263 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
264 | int err; |
265 | ||
266 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
267 | urb, urb->status, urb->actual_length); | |
268 | ||
269 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
270 | return; | |
271 | ||
272 | if (urb->status == 0) { | |
9bfa35fe MH |
273 | hdev->stat.byte_rx += urb->actual_length; |
274 | ||
5e23b923 MH |
275 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
276 | urb->transfer_buffer, | |
277 | urb->actual_length) < 0) { | |
278 | BT_ERR("%s corrupted event packet", hdev->name); | |
279 | hdev->stat.err_rx++; | |
280 | } | |
281 | } | |
282 | ||
283 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
284 | return; | |
285 | ||
7bee549e | 286 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
287 | usb_anchor_urb(urb, &data->intr_anchor); |
288 | ||
289 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
290 | if (err < 0) { | |
4935f1c1 PB |
291 | /* -EPERM: urb is being killed; |
292 | * -ENODEV: device got disconnected */ | |
293 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 294 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
295 | hdev->name, urb, -err); |
296 | usb_unanchor_urb(urb); | |
297 | } | |
298 | } | |
299 | ||
2eda66f4 | 300 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 301 | { |
155961e8 | 302 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
303 | struct urb *urb; |
304 | unsigned char *buf; | |
305 | unsigned int pipe; | |
306 | int err, size; | |
307 | ||
308 | BT_DBG("%s", hdev->name); | |
309 | ||
9bfa35fe MH |
310 | if (!data->intr_ep) |
311 | return -ENODEV; | |
312 | ||
2eda66f4 | 313 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
314 | if (!urb) |
315 | return -ENOMEM; | |
316 | ||
317 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
318 | ||
2eda66f4 | 319 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
320 | if (!buf) { |
321 | usb_free_urb(urb); | |
322 | return -ENOMEM; | |
323 | } | |
324 | ||
325 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
326 | ||
327 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
328 | btusb_intr_complete, hdev, | |
329 | data->intr_ep->bInterval); | |
330 | ||
331 | urb->transfer_flags |= URB_FREE_BUFFER; | |
332 | ||
333 | usb_anchor_urb(urb, &data->intr_anchor); | |
334 | ||
2eda66f4 | 335 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 336 | if (err < 0) { |
d4b8d1c9 PB |
337 | if (err != -EPERM && err != -ENODEV) |
338 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
339 | hdev->name, urb, -err); |
340 | usb_unanchor_urb(urb); | |
5e23b923 MH |
341 | } |
342 | ||
343 | usb_free_urb(urb); | |
344 | ||
345 | return err; | |
346 | } | |
347 | ||
348 | static void btusb_bulk_complete(struct urb *urb) | |
349 | { | |
350 | struct hci_dev *hdev = urb->context; | |
155961e8 | 351 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
352 | int err; |
353 | ||
354 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
355 | urb, urb->status, urb->actual_length); | |
356 | ||
357 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
358 | return; | |
359 | ||
360 | if (urb->status == 0) { | |
9bfa35fe MH |
361 | hdev->stat.byte_rx += urb->actual_length; |
362 | ||
5e23b923 MH |
363 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
364 | urb->transfer_buffer, | |
365 | urb->actual_length) < 0) { | |
366 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
367 | hdev->stat.err_rx++; | |
368 | } | |
369 | } | |
370 | ||
371 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
372 | return; | |
373 | ||
374 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 375 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
376 | |
377 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
378 | if (err < 0) { | |
4935f1c1 PB |
379 | /* -EPERM: urb is being killed; |
380 | * -ENODEV: device got disconnected */ | |
381 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 382 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
383 | hdev->name, urb, -err); |
384 | usb_unanchor_urb(urb); | |
385 | } | |
386 | } | |
387 | ||
2eda66f4 | 388 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 389 | { |
155961e8 | 390 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
391 | struct urb *urb; |
392 | unsigned char *buf; | |
393 | unsigned int pipe; | |
290ba200 | 394 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
395 | |
396 | BT_DBG("%s", hdev->name); | |
397 | ||
9bfa35fe MH |
398 | if (!data->bulk_rx_ep) |
399 | return -ENODEV; | |
400 | ||
2eda66f4 | 401 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
402 | if (!urb) |
403 | return -ENOMEM; | |
404 | ||
2eda66f4 | 405 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
406 | if (!buf) { |
407 | usb_free_urb(urb); | |
408 | return -ENOMEM; | |
409 | } | |
410 | ||
411 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
412 | ||
413 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
414 | buf, size, btusb_bulk_complete, hdev); | |
415 | ||
416 | urb->transfer_flags |= URB_FREE_BUFFER; | |
417 | ||
7bee549e | 418 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
419 | usb_anchor_urb(urb, &data->bulk_anchor); |
420 | ||
2eda66f4 | 421 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 422 | if (err < 0) { |
d4b8d1c9 PB |
423 | if (err != -EPERM && err != -ENODEV) |
424 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
425 | hdev->name, urb, -err); |
426 | usb_unanchor_urb(urb); | |
5e23b923 MH |
427 | } |
428 | ||
429 | usb_free_urb(urb); | |
430 | ||
431 | return err; | |
432 | } | |
433 | ||
9bfa35fe MH |
434 | static void btusb_isoc_complete(struct urb *urb) |
435 | { | |
436 | struct hci_dev *hdev = urb->context; | |
155961e8 | 437 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
438 | int i, err; |
439 | ||
440 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
441 | urb, urb->status, urb->actual_length); | |
442 | ||
443 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
444 | return; | |
445 | ||
446 | if (urb->status == 0) { | |
447 | for (i = 0; i < urb->number_of_packets; i++) { | |
448 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
449 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
450 | ||
451 | if (urb->iso_frame_desc[i].status) | |
452 | continue; | |
453 | ||
454 | hdev->stat.byte_rx += length; | |
455 | ||
456 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
457 | urb->transfer_buffer + offset, | |
458 | length) < 0) { | |
459 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
460 | hdev->stat.err_rx++; | |
461 | } | |
462 | } | |
463 | } | |
464 | ||
465 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
466 | return; | |
467 | ||
468 | usb_anchor_urb(urb, &data->isoc_anchor); | |
469 | ||
470 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
471 | if (err < 0) { | |
4935f1c1 PB |
472 | /* -EPERM: urb is being killed; |
473 | * -ENODEV: device got disconnected */ | |
474 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 475 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
476 | hdev->name, urb, -err); |
477 | usb_unanchor_urb(urb); | |
478 | } | |
479 | } | |
480 | ||
42b16b3f | 481 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
482 | { |
483 | int i, offset = 0; | |
484 | ||
485 | BT_DBG("len %d mtu %d", len, mtu); | |
486 | ||
487 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
488 | i++, offset += mtu, len -= mtu) { | |
489 | urb->iso_frame_desc[i].offset = offset; | |
490 | urb->iso_frame_desc[i].length = mtu; | |
491 | } | |
492 | ||
493 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
494 | urb->iso_frame_desc[i].offset = offset; | |
495 | urb->iso_frame_desc[i].length = len; | |
496 | i++; | |
497 | } | |
498 | ||
499 | urb->number_of_packets = i; | |
500 | } | |
501 | ||
2eda66f4 | 502 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 503 | { |
155961e8 | 504 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
505 | struct urb *urb; |
506 | unsigned char *buf; | |
507 | unsigned int pipe; | |
508 | int err, size; | |
509 | ||
510 | BT_DBG("%s", hdev->name); | |
511 | ||
512 | if (!data->isoc_rx_ep) | |
513 | return -ENODEV; | |
514 | ||
2eda66f4 | 515 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
516 | if (!urb) |
517 | return -ENOMEM; | |
518 | ||
519 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
520 | BTUSB_MAX_ISOC_FRAMES; | |
521 | ||
2eda66f4 | 522 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
523 | if (!buf) { |
524 | usb_free_urb(urb); | |
525 | return -ENOMEM; | |
526 | } | |
527 | ||
528 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
529 | ||
fa0fb93f BZ |
530 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
531 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
532 | |
533 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
534 | |
535 | __fill_isoc_descriptor(urb, size, | |
536 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
537 | ||
538 | usb_anchor_urb(urb, &data->isoc_anchor); | |
539 | ||
2eda66f4 | 540 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 541 | if (err < 0) { |
d4b8d1c9 PB |
542 | if (err != -EPERM && err != -ENODEV) |
543 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
544 | hdev->name, urb, -err); |
545 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
546 | } |
547 | ||
548 | usb_free_urb(urb); | |
549 | ||
550 | return err; | |
551 | } | |
552 | ||
5e23b923 | 553 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
554 | { |
555 | struct sk_buff *skb = urb->context; | |
556 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 557 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
558 | |
559 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
560 | urb, urb->status, urb->actual_length); | |
561 | ||
562 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
563 | goto done; | |
564 | ||
565 | if (!urb->status) | |
566 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
567 | else | |
568 | hdev->stat.err_tx++; | |
569 | ||
570 | done: | |
571 | spin_lock(&data->txlock); | |
572 | data->tx_in_flight--; | |
573 | spin_unlock(&data->txlock); | |
574 | ||
575 | kfree(urb->setup_packet); | |
576 | ||
577 | kfree_skb(skb); | |
578 | } | |
579 | ||
580 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
581 | { |
582 | struct sk_buff *skb = urb->context; | |
583 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
584 | ||
585 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
586 | urb, urb->status, urb->actual_length); | |
587 | ||
588 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
589 | goto done; | |
590 | ||
591 | if (!urb->status) | |
592 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
593 | else | |
594 | hdev->stat.err_tx++; | |
595 | ||
596 | done: | |
597 | kfree(urb->setup_packet); | |
598 | ||
599 | kfree_skb(skb); | |
600 | } | |
601 | ||
602 | static int btusb_open(struct hci_dev *hdev) | |
603 | { | |
155961e8 | 604 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
605 | int err; |
606 | ||
607 | BT_DBG("%s", hdev->name); | |
608 | ||
7bee549e ON |
609 | err = usb_autopm_get_interface(data->intf); |
610 | if (err < 0) | |
611 | return err; | |
612 | ||
613 | data->intf->needs_remote_wakeup = 1; | |
614 | ||
5e23b923 | 615 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 616 | goto done; |
5e23b923 MH |
617 | |
618 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 619 | goto done; |
5e23b923 | 620 | |
2eda66f4 | 621 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
622 | if (err < 0) |
623 | goto failed; | |
624 | ||
625 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 626 | if (err < 0) { |
43c2e57f MH |
627 | usb_kill_anchored_urbs(&data->intr_anchor); |
628 | goto failed; | |
5e23b923 MH |
629 | } |
630 | ||
43c2e57f MH |
631 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
632 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
633 | ||
7bee549e ON |
634 | done: |
635 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
636 | return 0; |
637 | ||
638 | failed: | |
639 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
640 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 641 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
642 | return err; |
643 | } | |
644 | ||
7bee549e ON |
645 | static void btusb_stop_traffic(struct btusb_data *data) |
646 | { | |
647 | usb_kill_anchored_urbs(&data->intr_anchor); | |
648 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
649 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
650 | } | |
651 | ||
5e23b923 MH |
652 | static int btusb_close(struct hci_dev *hdev) |
653 | { | |
155961e8 | 654 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 655 | int err; |
5e23b923 MH |
656 | |
657 | BT_DBG("%s", hdev->name); | |
658 | ||
659 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
660 | return 0; | |
661 | ||
e8c3c3d2 | 662 | cancel_work_sync(&data->work); |
404291ac | 663 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 664 | |
9bfa35fe | 665 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 666 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 667 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
668 | |
669 | btusb_stop_traffic(data); | |
670 | err = usb_autopm_get_interface(data->intf); | |
671 | if (err < 0) | |
7b8e2c1d | 672 | goto failed; |
7bee549e ON |
673 | |
674 | data->intf->needs_remote_wakeup = 0; | |
675 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 676 | |
7b8e2c1d ON |
677 | failed: |
678 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
679 | return 0; |
680 | } | |
681 | ||
682 | static int btusb_flush(struct hci_dev *hdev) | |
683 | { | |
155961e8 | 684 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
685 | |
686 | BT_DBG("%s", hdev->name); | |
687 | ||
688 | usb_kill_anchored_urbs(&data->tx_anchor); | |
689 | ||
690 | return 0; | |
691 | } | |
692 | ||
693 | static int btusb_send_frame(struct sk_buff *skb) | |
694 | { | |
695 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 696 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
697 | struct usb_ctrlrequest *dr; |
698 | struct urb *urb; | |
699 | unsigned int pipe; | |
700 | int err; | |
701 | ||
702 | BT_DBG("%s", hdev->name); | |
703 | ||
704 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
705 | return -EBUSY; | |
706 | ||
707 | switch (bt_cb(skb)->pkt_type) { | |
708 | case HCI_COMMAND_PKT: | |
709 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
710 | if (!urb) | |
711 | return -ENOMEM; | |
712 | ||
713 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
714 | if (!dr) { | |
715 | usb_free_urb(urb); | |
716 | return -ENOMEM; | |
717 | } | |
718 | ||
7a9d4020 | 719 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
720 | dr->bRequest = 0; |
721 | dr->wIndex = 0; | |
722 | dr->wValue = 0; | |
723 | dr->wLength = __cpu_to_le16(skb->len); | |
724 | ||
725 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
726 | ||
727 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
728 | skb->data, skb->len, btusb_tx_complete, skb); | |
729 | ||
730 | hdev->stat.cmd_tx++; | |
731 | break; | |
732 | ||
733 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 734 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
735 | return -ENODEV; |
736 | ||
5e23b923 MH |
737 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
738 | if (!urb) | |
739 | return -ENOMEM; | |
740 | ||
741 | pipe = usb_sndbulkpipe(data->udev, | |
742 | data->bulk_tx_ep->bEndpointAddress); | |
743 | ||
744 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
745 | skb->data, skb->len, btusb_tx_complete, skb); | |
746 | ||
747 | hdev->stat.acl_tx++; | |
748 | break; | |
749 | ||
750 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
751 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
752 | return -ENODEV; | |
753 | ||
754 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
755 | if (!urb) | |
756 | return -ENOMEM; | |
757 | ||
758 | pipe = usb_sndisocpipe(data->udev, | |
759 | data->isoc_tx_ep->bEndpointAddress); | |
760 | ||
03c2d0e8 GP |
761 | usb_fill_int_urb(urb, data->udev, pipe, |
762 | skb->data, skb->len, btusb_isoc_tx_complete, | |
763 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
764 | |
765 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
766 | |
767 | __fill_isoc_descriptor(urb, skb->len, | |
768 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
769 | ||
5e23b923 | 770 | hdev->stat.sco_tx++; |
7bee549e | 771 | goto skip_waking; |
5e23b923 MH |
772 | |
773 | default: | |
774 | return -EILSEQ; | |
775 | } | |
776 | ||
7bee549e ON |
777 | err = inc_tx(data); |
778 | if (err) { | |
779 | usb_anchor_urb(urb, &data->deferred); | |
780 | schedule_work(&data->waker); | |
781 | err = 0; | |
782 | goto done; | |
783 | } | |
784 | ||
785 | skip_waking: | |
5e23b923 MH |
786 | usb_anchor_urb(urb, &data->tx_anchor); |
787 | ||
788 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
789 | if (err < 0) { | |
5a9b80e2 PB |
790 | if (err != -EPERM && err != -ENODEV) |
791 | BT_ERR("%s urb %p submission failed (%d)", | |
792 | hdev->name, urb, -err); | |
5e23b923 MH |
793 | kfree(urb->setup_packet); |
794 | usb_unanchor_urb(urb); | |
7bee549e ON |
795 | } else { |
796 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
797 | } |
798 | ||
7bee549e | 799 | done: |
54a8a79c | 800 | usb_free_urb(urb); |
5e23b923 MH |
801 | return err; |
802 | } | |
803 | ||
5e23b923 MH |
804 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
805 | { | |
155961e8 | 806 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
807 | |
808 | BT_DBG("%s evt %d", hdev->name, evt); | |
809 | ||
43c2e57f MH |
810 | if (hdev->conn_hash.sco_num != data->sco_num) { |
811 | data->sco_num = hdev->conn_hash.sco_num; | |
812 | schedule_work(&data->work); | |
a780efa8 | 813 | } |
5e23b923 MH |
814 | } |
815 | ||
42b16b3f | 816 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 817 | { |
155961e8 | 818 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
819 | struct usb_interface *intf = data->isoc; |
820 | struct usb_endpoint_descriptor *ep_desc; | |
821 | int i, err; | |
822 | ||
823 | if (!data->isoc) | |
824 | return -ENODEV; | |
825 | ||
826 | err = usb_set_interface(data->udev, 1, altsetting); | |
827 | if (err < 0) { | |
828 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
829 | return err; | |
830 | } | |
831 | ||
832 | data->isoc_altsetting = altsetting; | |
833 | ||
834 | data->isoc_tx_ep = NULL; | |
835 | data->isoc_rx_ep = NULL; | |
836 | ||
837 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
838 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
839 | ||
840 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
841 | data->isoc_tx_ep = ep_desc; | |
842 | continue; | |
843 | } | |
844 | ||
845 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
846 | data->isoc_rx_ep = ep_desc; | |
847 | continue; | |
848 | } | |
849 | } | |
850 | ||
851 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
852 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
853 | return -ENODEV; | |
854 | } | |
855 | ||
856 | return 0; | |
857 | } | |
858 | ||
5e23b923 MH |
859 | static void btusb_work(struct work_struct *work) |
860 | { | |
861 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
862 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 863 | int new_alts; |
7bee549e | 864 | int err; |
5e23b923 | 865 | |
9bfa35fe | 866 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 867 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 868 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
869 | if (err < 0) { |
870 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
871 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
872 | return; | |
873 | } | |
874 | ||
08b8b6c4 | 875 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 876 | } |
f4001d28 MA |
877 | |
878 | if (hdev->voice_setting & 0x0020) { | |
879 | static const int alts[3] = { 2, 4, 5 }; | |
880 | new_alts = alts[hdev->conn_hash.sco_num - 1]; | |
881 | } else { | |
882 | new_alts = hdev->conn_hash.sco_num; | |
883 | } | |
884 | ||
885 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
886 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
887 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
888 | ||
f4001d28 | 889 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
890 | return; |
891 | } | |
892 | ||
893 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 894 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
895 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
896 | else | |
2eda66f4 | 897 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
898 | } |
899 | } else { | |
900 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
901 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
902 | ||
903 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 904 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 905 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
906 | } |
907 | } | |
908 | ||
7bee549e ON |
909 | static void btusb_waker(struct work_struct *work) |
910 | { | |
911 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
912 | int err; | |
913 | ||
914 | err = usb_autopm_get_interface(data->intf); | |
915 | if (err < 0) | |
916 | return; | |
917 | ||
918 | usb_autopm_put_interface(data->intf); | |
919 | } | |
920 | ||
5e23b923 MH |
921 | static int btusb_probe(struct usb_interface *intf, |
922 | const struct usb_device_id *id) | |
923 | { | |
924 | struct usb_endpoint_descriptor *ep_desc; | |
925 | struct btusb_data *data; | |
926 | struct hci_dev *hdev; | |
927 | int i, err; | |
928 | ||
929 | BT_DBG("intf %p id %p", intf, id); | |
930 | ||
cfeb4145 | 931 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
932 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
933 | return -ENODEV; | |
934 | ||
935 | if (!id->driver_info) { | |
936 | const struct usb_device_id *match; | |
937 | match = usb_match_id(intf, blacklist_table); | |
938 | if (match) | |
939 | id = match; | |
940 | } | |
941 | ||
cfeb4145 MH |
942 | if (id->driver_info == BTUSB_IGNORE) |
943 | return -ENODEV; | |
944 | ||
945 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
946 | return -ENODEV; | |
947 | ||
948 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
949 | return -ENODEV; | |
950 | ||
951 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
952 | return -ENODEV; | |
953 | ||
2d25f8b4 SL |
954 | if (id->driver_info & BTUSB_ATH3012) { |
955 | struct usb_device *udev = interface_to_usbdev(intf); | |
956 | ||
957 | /* Old firmware would otherwise let ath3k driver load | |
958 | * patch and sysconfig files */ | |
959 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
960 | return -ENODEV; | |
961 | } | |
962 | ||
98921dbd | 963 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
964 | if (!data) |
965 | return -ENOMEM; | |
966 | ||
967 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
968 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
969 | ||
970 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
971 | data->intr_ep = ep_desc; | |
972 | continue; | |
973 | } | |
974 | ||
975 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
976 | data->bulk_tx_ep = ep_desc; | |
977 | continue; | |
978 | } | |
979 | ||
980 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
981 | data->bulk_rx_ep = ep_desc; | |
982 | continue; | |
983 | } | |
984 | } | |
985 | ||
98921dbd | 986 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 987 | return -ENODEV; |
5e23b923 | 988 | |
7a9d4020 MH |
989 | data->cmdreq_type = USB_TYPE_CLASS; |
990 | ||
5e23b923 | 991 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 992 | data->intf = intf; |
5e23b923 MH |
993 | |
994 | spin_lock_init(&data->lock); | |
995 | ||
996 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
997 | INIT_WORK(&data->waker, btusb_waker); |
998 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
999 | |
1000 | init_usb_anchor(&data->tx_anchor); | |
1001 | init_usb_anchor(&data->intr_anchor); | |
1002 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1003 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1004 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1005 | |
1006 | hdev = hci_alloc_dev(); | |
98921dbd | 1007 | if (!hdev) |
5e23b923 | 1008 | return -ENOMEM; |
5e23b923 | 1009 | |
c13854ce | 1010 | hdev->bus = HCI_USB; |
155961e8 | 1011 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1012 | |
1013 | data->hdev = hdev; | |
1014 | ||
1015 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1016 | ||
1017 | hdev->open = btusb_open; | |
1018 | hdev->close = btusb_close; | |
1019 | hdev->flush = btusb_flush; | |
1020 | hdev->send = btusb_send_frame; | |
5e23b923 MH |
1021 | hdev->notify = btusb_notify; |
1022 | ||
7a9d4020 | 1023 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1024 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1025 | ||
7a9d4020 | 1026 | if (!reset) |
a6c511c6 | 1027 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1028 | |
1029 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1030 | if (!disable_scofix) | |
1031 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1032 | } | |
1033 | ||
9bfa35fe MH |
1034 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1035 | data->isoc = NULL; | |
1036 | ||
7a9d4020 MH |
1037 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1038 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1039 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1040 | } |
1041 | ||
1042 | if (id->driver_info & BTUSB_CSR) { | |
1043 | struct usb_device *udev = data->udev; | |
1044 | ||
1045 | /* Old firmware would otherwise execute USB reset */ | |
1046 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
a6c511c6 | 1047 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1048 | } |
1049 | ||
cfeb4145 | 1050 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1051 | struct usb_device *udev = data->udev; |
cfeb4145 | 1052 | |
7a9d4020 | 1053 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1054 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1055 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1056 | |
1057 | data->isoc = NULL; | |
cfeb4145 MH |
1058 | } |
1059 | ||
1060 | if (id->driver_info & BTUSB_BCM92035) { | |
1061 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1062 | struct sk_buff *skb; | |
1063 | ||
1064 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1065 | if (skb) { | |
1066 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1067 | skb_queue_tail(&hdev->driver_init, skb); | |
1068 | } | |
1069 | } | |
5e23b923 | 1070 | |
9bfa35fe MH |
1071 | if (data->isoc) { |
1072 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1073 | data->isoc, data); |
9bfa35fe MH |
1074 | if (err < 0) { |
1075 | hci_free_dev(hdev); | |
9bfa35fe MH |
1076 | return err; |
1077 | } | |
1078 | } | |
1079 | ||
5e23b923 MH |
1080 | err = hci_register_dev(hdev); |
1081 | if (err < 0) { | |
1082 | hci_free_dev(hdev); | |
5e23b923 MH |
1083 | return err; |
1084 | } | |
1085 | ||
1086 | usb_set_intfdata(intf, data); | |
1087 | ||
1088 | return 0; | |
1089 | } | |
1090 | ||
1091 | static void btusb_disconnect(struct usb_interface *intf) | |
1092 | { | |
1093 | struct btusb_data *data = usb_get_intfdata(intf); | |
1094 | struct hci_dev *hdev; | |
1095 | ||
1096 | BT_DBG("intf %p", intf); | |
1097 | ||
1098 | if (!data) | |
1099 | return; | |
1100 | ||
1101 | hdev = data->hdev; | |
5fbcd260 MH |
1102 | usb_set_intfdata(data->intf, NULL); |
1103 | ||
1104 | if (data->isoc) | |
1105 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1106 | |
1107 | hci_unregister_dev(hdev); | |
1108 | ||
5fbcd260 MH |
1109 | if (intf == data->isoc) |
1110 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1111 | else if (data->isoc) | |
1112 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1113 | ||
5e23b923 MH |
1114 | hci_free_dev(hdev); |
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"); |