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