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