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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 */ |
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 */ |
d66629c1 | 134 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 135 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 136 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 137 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 138 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
9498ba7a | 139 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
3f63c340 | 140 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
55ed7d4d | 141 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
2c262b2a | 142 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
f4d6f7dc | 143 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
87522a43 | 144 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 145 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
6c4ae5c2 | 146 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
2096ae6c | 147 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
eed307e2 | 148 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
3a61eda8 | 149 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
2582d529 | 150 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 151 | |
e9036e33 CYC |
152 | /* Atheros AR5BBU12 with sflash firmware */ |
153 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
154 | ||
85d59726 MG |
155 | /* Atheros AR5BBU12 with sflash firmware */ |
156 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, | |
bc21fde2 | 157 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 158 | |
cfeb4145 | 159 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
160 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
161 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
162 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
163 | |
164 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
165 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
166 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 167 | |
cfeb4145 | 168 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
169 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
170 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
171 | |
172 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 173 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
174 | |
175 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 176 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 177 | |
5ddd4a60 | 178 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 179 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 180 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 181 | |
7a9d4020 MH |
182 | /* Belkin F8T012 and F8T013 devices */ |
183 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
184 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 185 | |
5ddd4a60 MH |
186 | /* Asus WL-BTD202 device */ |
187 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
188 | ||
189 | /* Kensington Bluetooth USB adapter */ | |
190 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
191 | ||
cfeb4145 MH |
192 | /* RTX Telecom based adapters with buggy SCO support */ |
193 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
194 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
195 | ||
196 | /* CONWISE Technology based adapters with buggy SCO support */ | |
197 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
198 | ||
cfeb4145 MH |
199 | /* Digianswer devices */ |
200 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
201 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
202 | ||
203 | /* CSR BlueCore Bluetooth Sniffer */ | |
204 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
205 | ||
206 | /* Frontline ComProbe Bluetooth Sniffer */ | |
207 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
208 | ||
5e23b923 MH |
209 | { } /* Terminating entry */ |
210 | }; | |
211 | ||
9bfa35fe MH |
212 | #define BTUSB_MAX_ISOC_FRAMES 10 |
213 | ||
5e23b923 MH |
214 | #define BTUSB_INTR_RUNNING 0 |
215 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 216 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 217 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 218 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
219 | |
220 | struct btusb_data { | |
221 | struct hci_dev *hdev; | |
222 | struct usb_device *udev; | |
5fbcd260 | 223 | struct usb_interface *intf; |
9bfa35fe | 224 | struct usb_interface *isoc; |
5e23b923 MH |
225 | |
226 | spinlock_t lock; | |
227 | ||
228 | unsigned long flags; | |
229 | ||
230 | struct work_struct work; | |
7bee549e | 231 | struct work_struct waker; |
5e23b923 MH |
232 | |
233 | struct usb_anchor tx_anchor; | |
234 | struct usb_anchor intr_anchor; | |
235 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 236 | struct usb_anchor isoc_anchor; |
7bee549e ON |
237 | struct usb_anchor deferred; |
238 | int tx_in_flight; | |
239 | spinlock_t txlock; | |
5e23b923 MH |
240 | |
241 | struct usb_endpoint_descriptor *intr_ep; | |
242 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
243 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
244 | struct usb_endpoint_descriptor *isoc_tx_ep; |
245 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
246 | ||
7a9d4020 MH |
247 | __u8 cmdreq_type; |
248 | ||
43c2e57f | 249 | unsigned int sco_num; |
9bfa35fe | 250 | int isoc_altsetting; |
6a88adf2 | 251 | int suspend_count; |
5e23b923 MH |
252 | }; |
253 | ||
7bee549e ON |
254 | static int inc_tx(struct btusb_data *data) |
255 | { | |
256 | unsigned long flags; | |
257 | int rv; | |
258 | ||
259 | spin_lock_irqsave(&data->txlock, flags); | |
260 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
261 | if (!rv) | |
262 | data->tx_in_flight++; | |
263 | spin_unlock_irqrestore(&data->txlock, flags); | |
264 | ||
265 | return rv; | |
266 | } | |
267 | ||
5e23b923 MH |
268 | static void btusb_intr_complete(struct urb *urb) |
269 | { | |
270 | struct hci_dev *hdev = urb->context; | |
155961e8 | 271 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
272 | int err; |
273 | ||
274 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
275 | urb, urb->status, urb->actual_length); | |
276 | ||
277 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
278 | return; | |
279 | ||
280 | if (urb->status == 0) { | |
9bfa35fe MH |
281 | hdev->stat.byte_rx += urb->actual_length; |
282 | ||
5e23b923 MH |
283 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
284 | urb->transfer_buffer, | |
285 | urb->actual_length) < 0) { | |
286 | BT_ERR("%s corrupted event packet", hdev->name); | |
287 | hdev->stat.err_rx++; | |
288 | } | |
289 | } | |
290 | ||
291 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
292 | return; | |
293 | ||
7bee549e | 294 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
295 | usb_anchor_urb(urb, &data->intr_anchor); |
296 | ||
297 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
298 | if (err < 0) { | |
4935f1c1 PB |
299 | /* -EPERM: urb is being killed; |
300 | * -ENODEV: device got disconnected */ | |
301 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 302 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
303 | hdev->name, urb, -err); |
304 | usb_unanchor_urb(urb); | |
305 | } | |
306 | } | |
307 | ||
2eda66f4 | 308 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 309 | { |
155961e8 | 310 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
311 | struct urb *urb; |
312 | unsigned char *buf; | |
313 | unsigned int pipe; | |
314 | int err, size; | |
315 | ||
316 | BT_DBG("%s", hdev->name); | |
317 | ||
9bfa35fe MH |
318 | if (!data->intr_ep) |
319 | return -ENODEV; | |
320 | ||
2eda66f4 | 321 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
322 | if (!urb) |
323 | return -ENOMEM; | |
324 | ||
325 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
326 | ||
2eda66f4 | 327 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
328 | if (!buf) { |
329 | usb_free_urb(urb); | |
330 | return -ENOMEM; | |
331 | } | |
332 | ||
333 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
334 | ||
335 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
336 | btusb_intr_complete, hdev, | |
337 | data->intr_ep->bInterval); | |
338 | ||
339 | urb->transfer_flags |= URB_FREE_BUFFER; | |
340 | ||
341 | usb_anchor_urb(urb, &data->intr_anchor); | |
342 | ||
2eda66f4 | 343 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 344 | if (err < 0) { |
d4b8d1c9 PB |
345 | if (err != -EPERM && err != -ENODEV) |
346 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
347 | hdev->name, urb, -err); |
348 | usb_unanchor_urb(urb); | |
5e23b923 MH |
349 | } |
350 | ||
351 | usb_free_urb(urb); | |
352 | ||
353 | return err; | |
354 | } | |
355 | ||
356 | static void btusb_bulk_complete(struct urb *urb) | |
357 | { | |
358 | struct hci_dev *hdev = urb->context; | |
155961e8 | 359 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
360 | int err; |
361 | ||
362 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
363 | urb, urb->status, urb->actual_length); | |
364 | ||
365 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
366 | return; | |
367 | ||
368 | if (urb->status == 0) { | |
9bfa35fe MH |
369 | hdev->stat.byte_rx += urb->actual_length; |
370 | ||
5e23b923 MH |
371 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
372 | urb->transfer_buffer, | |
373 | urb->actual_length) < 0) { | |
374 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
375 | hdev->stat.err_rx++; | |
376 | } | |
377 | } | |
378 | ||
379 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
380 | return; | |
381 | ||
382 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 383 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
384 | |
385 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
386 | if (err < 0) { | |
4935f1c1 PB |
387 | /* -EPERM: urb is being killed; |
388 | * -ENODEV: device got disconnected */ | |
389 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 390 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
391 | hdev->name, urb, -err); |
392 | usb_unanchor_urb(urb); | |
393 | } | |
394 | } | |
395 | ||
2eda66f4 | 396 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 397 | { |
155961e8 | 398 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
399 | struct urb *urb; |
400 | unsigned char *buf; | |
401 | unsigned int pipe; | |
290ba200 | 402 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
403 | |
404 | BT_DBG("%s", hdev->name); | |
405 | ||
9bfa35fe MH |
406 | if (!data->bulk_rx_ep) |
407 | return -ENODEV; | |
408 | ||
2eda66f4 | 409 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
410 | if (!urb) |
411 | return -ENOMEM; | |
412 | ||
2eda66f4 | 413 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
414 | if (!buf) { |
415 | usb_free_urb(urb); | |
416 | return -ENOMEM; | |
417 | } | |
418 | ||
419 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
420 | ||
421 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
422 | buf, size, btusb_bulk_complete, hdev); | |
423 | ||
424 | urb->transfer_flags |= URB_FREE_BUFFER; | |
425 | ||
7bee549e | 426 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
427 | usb_anchor_urb(urb, &data->bulk_anchor); |
428 | ||
2eda66f4 | 429 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 430 | if (err < 0) { |
d4b8d1c9 PB |
431 | if (err != -EPERM && err != -ENODEV) |
432 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
433 | hdev->name, urb, -err); |
434 | usb_unanchor_urb(urb); | |
5e23b923 MH |
435 | } |
436 | ||
437 | usb_free_urb(urb); | |
438 | ||
439 | return err; | |
440 | } | |
441 | ||
9bfa35fe MH |
442 | static void btusb_isoc_complete(struct urb *urb) |
443 | { | |
444 | struct hci_dev *hdev = urb->context; | |
155961e8 | 445 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
446 | int i, err; |
447 | ||
448 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
449 | urb, urb->status, urb->actual_length); | |
450 | ||
451 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
452 | return; | |
453 | ||
454 | if (urb->status == 0) { | |
455 | for (i = 0; i < urb->number_of_packets; i++) { | |
456 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
457 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
458 | ||
459 | if (urb->iso_frame_desc[i].status) | |
460 | continue; | |
461 | ||
462 | hdev->stat.byte_rx += length; | |
463 | ||
464 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
465 | urb->transfer_buffer + offset, | |
466 | length) < 0) { | |
467 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
468 | hdev->stat.err_rx++; | |
469 | } | |
470 | } | |
471 | } | |
472 | ||
473 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
474 | return; | |
475 | ||
476 | usb_anchor_urb(urb, &data->isoc_anchor); | |
477 | ||
478 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
479 | if (err < 0) { | |
4935f1c1 PB |
480 | /* -EPERM: urb is being killed; |
481 | * -ENODEV: device got disconnected */ | |
482 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 483 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
484 | hdev->name, urb, -err); |
485 | usb_unanchor_urb(urb); | |
486 | } | |
487 | } | |
488 | ||
42b16b3f | 489 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
490 | { |
491 | int i, offset = 0; | |
492 | ||
493 | BT_DBG("len %d mtu %d", len, mtu); | |
494 | ||
495 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
496 | i++, offset += mtu, len -= mtu) { | |
497 | urb->iso_frame_desc[i].offset = offset; | |
498 | urb->iso_frame_desc[i].length = mtu; | |
499 | } | |
500 | ||
501 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
502 | urb->iso_frame_desc[i].offset = offset; | |
503 | urb->iso_frame_desc[i].length = len; | |
504 | i++; | |
505 | } | |
506 | ||
507 | urb->number_of_packets = i; | |
508 | } | |
509 | ||
2eda66f4 | 510 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 511 | { |
155961e8 | 512 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
513 | struct urb *urb; |
514 | unsigned char *buf; | |
515 | unsigned int pipe; | |
516 | int err, size; | |
517 | ||
518 | BT_DBG("%s", hdev->name); | |
519 | ||
520 | if (!data->isoc_rx_ep) | |
521 | return -ENODEV; | |
522 | ||
2eda66f4 | 523 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
524 | if (!urb) |
525 | return -ENOMEM; | |
526 | ||
527 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
528 | BTUSB_MAX_ISOC_FRAMES; | |
529 | ||
2eda66f4 | 530 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
531 | if (!buf) { |
532 | usb_free_urb(urb); | |
533 | return -ENOMEM; | |
534 | } | |
535 | ||
536 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
537 | ||
fa0fb93f BZ |
538 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
539 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
540 | |
541 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
542 | |
543 | __fill_isoc_descriptor(urb, size, | |
544 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
545 | ||
546 | usb_anchor_urb(urb, &data->isoc_anchor); | |
547 | ||
2eda66f4 | 548 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 549 | if (err < 0) { |
d4b8d1c9 PB |
550 | if (err != -EPERM && err != -ENODEV) |
551 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
552 | hdev->name, urb, -err); |
553 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
554 | } |
555 | ||
556 | usb_free_urb(urb); | |
557 | ||
558 | return err; | |
559 | } | |
560 | ||
5e23b923 | 561 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
562 | { |
563 | struct sk_buff *skb = urb->context; | |
564 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 565 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
566 | |
567 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
568 | urb, urb->status, urb->actual_length); | |
569 | ||
570 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
571 | goto done; | |
572 | ||
573 | if (!urb->status) | |
574 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
575 | else | |
576 | hdev->stat.err_tx++; | |
577 | ||
578 | done: | |
579 | spin_lock(&data->txlock); | |
580 | data->tx_in_flight--; | |
581 | spin_unlock(&data->txlock); | |
582 | ||
583 | kfree(urb->setup_packet); | |
584 | ||
585 | kfree_skb(skb); | |
586 | } | |
587 | ||
588 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
589 | { |
590 | struct sk_buff *skb = urb->context; | |
591 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
592 | ||
593 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
594 | urb, urb->status, urb->actual_length); | |
595 | ||
596 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
597 | goto done; | |
598 | ||
599 | if (!urb->status) | |
600 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
601 | else | |
602 | hdev->stat.err_tx++; | |
603 | ||
604 | done: | |
605 | kfree(urb->setup_packet); | |
606 | ||
607 | kfree_skb(skb); | |
608 | } | |
609 | ||
610 | static int btusb_open(struct hci_dev *hdev) | |
611 | { | |
155961e8 | 612 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
613 | int err; |
614 | ||
615 | BT_DBG("%s", hdev->name); | |
616 | ||
7bee549e ON |
617 | err = usb_autopm_get_interface(data->intf); |
618 | if (err < 0) | |
619 | return err; | |
620 | ||
621 | data->intf->needs_remote_wakeup = 1; | |
622 | ||
5e23b923 | 623 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 624 | goto done; |
5e23b923 MH |
625 | |
626 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 627 | goto done; |
5e23b923 | 628 | |
2eda66f4 | 629 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
630 | if (err < 0) |
631 | goto failed; | |
632 | ||
633 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 634 | if (err < 0) { |
43c2e57f MH |
635 | usb_kill_anchored_urbs(&data->intr_anchor); |
636 | goto failed; | |
5e23b923 MH |
637 | } |
638 | ||
43c2e57f MH |
639 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
640 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
641 | ||
7bee549e ON |
642 | done: |
643 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
644 | return 0; |
645 | ||
646 | failed: | |
647 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
648 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 649 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
650 | return err; |
651 | } | |
652 | ||
7bee549e ON |
653 | static void btusb_stop_traffic(struct btusb_data *data) |
654 | { | |
655 | usb_kill_anchored_urbs(&data->intr_anchor); | |
656 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
657 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
658 | } | |
659 | ||
5e23b923 MH |
660 | static int btusb_close(struct hci_dev *hdev) |
661 | { | |
155961e8 | 662 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 663 | int err; |
5e23b923 MH |
664 | |
665 | BT_DBG("%s", hdev->name); | |
666 | ||
667 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
668 | return 0; | |
669 | ||
e8c3c3d2 | 670 | cancel_work_sync(&data->work); |
404291ac | 671 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 672 | |
9bfa35fe | 673 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 674 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 675 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
676 | |
677 | btusb_stop_traffic(data); | |
678 | err = usb_autopm_get_interface(data->intf); | |
679 | if (err < 0) | |
7b8e2c1d | 680 | goto failed; |
7bee549e ON |
681 | |
682 | data->intf->needs_remote_wakeup = 0; | |
683 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 684 | |
7b8e2c1d ON |
685 | failed: |
686 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
687 | return 0; |
688 | } | |
689 | ||
690 | static int btusb_flush(struct hci_dev *hdev) | |
691 | { | |
155961e8 | 692 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
693 | |
694 | BT_DBG("%s", hdev->name); | |
695 | ||
696 | usb_kill_anchored_urbs(&data->tx_anchor); | |
697 | ||
698 | return 0; | |
699 | } | |
700 | ||
701 | static int btusb_send_frame(struct sk_buff *skb) | |
702 | { | |
703 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 704 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
705 | struct usb_ctrlrequest *dr; |
706 | struct urb *urb; | |
707 | unsigned int pipe; | |
708 | int err; | |
709 | ||
710 | BT_DBG("%s", hdev->name); | |
711 | ||
712 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
713 | return -EBUSY; | |
714 | ||
715 | switch (bt_cb(skb)->pkt_type) { | |
716 | case HCI_COMMAND_PKT: | |
717 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
718 | if (!urb) | |
719 | return -ENOMEM; | |
720 | ||
721 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
722 | if (!dr) { | |
723 | usb_free_urb(urb); | |
724 | return -ENOMEM; | |
725 | } | |
726 | ||
7a9d4020 | 727 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
728 | dr->bRequest = 0; |
729 | dr->wIndex = 0; | |
730 | dr->wValue = 0; | |
731 | dr->wLength = __cpu_to_le16(skb->len); | |
732 | ||
733 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
734 | ||
735 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
736 | skb->data, skb->len, btusb_tx_complete, skb); | |
737 | ||
738 | hdev->stat.cmd_tx++; | |
739 | break; | |
740 | ||
741 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 742 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
743 | return -ENODEV; |
744 | ||
5e23b923 MH |
745 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
746 | if (!urb) | |
747 | return -ENOMEM; | |
748 | ||
749 | pipe = usb_sndbulkpipe(data->udev, | |
750 | data->bulk_tx_ep->bEndpointAddress); | |
751 | ||
752 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
753 | skb->data, skb->len, btusb_tx_complete, skb); | |
754 | ||
755 | hdev->stat.acl_tx++; | |
756 | break; | |
757 | ||
758 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
759 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
760 | return -ENODEV; | |
761 | ||
762 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
763 | if (!urb) | |
764 | return -ENOMEM; | |
765 | ||
766 | pipe = usb_sndisocpipe(data->udev, | |
767 | data->isoc_tx_ep->bEndpointAddress); | |
768 | ||
03c2d0e8 GP |
769 | usb_fill_int_urb(urb, data->udev, pipe, |
770 | skb->data, skb->len, btusb_isoc_tx_complete, | |
771 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
772 | |
773 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
774 | |
775 | __fill_isoc_descriptor(urb, skb->len, | |
776 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
777 | ||
5e23b923 | 778 | hdev->stat.sco_tx++; |
7bee549e | 779 | goto skip_waking; |
5e23b923 MH |
780 | |
781 | default: | |
782 | return -EILSEQ; | |
783 | } | |
784 | ||
7bee549e ON |
785 | err = inc_tx(data); |
786 | if (err) { | |
787 | usb_anchor_urb(urb, &data->deferred); | |
788 | schedule_work(&data->waker); | |
789 | err = 0; | |
790 | goto done; | |
791 | } | |
792 | ||
793 | skip_waking: | |
5e23b923 MH |
794 | usb_anchor_urb(urb, &data->tx_anchor); |
795 | ||
796 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
797 | if (err < 0) { | |
5a9b80e2 PB |
798 | if (err != -EPERM && err != -ENODEV) |
799 | BT_ERR("%s urb %p submission failed (%d)", | |
800 | hdev->name, urb, -err); | |
5e23b923 MH |
801 | kfree(urb->setup_packet); |
802 | usb_unanchor_urb(urb); | |
7bee549e ON |
803 | } else { |
804 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
805 | } |
806 | ||
7bee549e | 807 | done: |
54a8a79c | 808 | usb_free_urb(urb); |
5e23b923 MH |
809 | return err; |
810 | } | |
811 | ||
5e23b923 MH |
812 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
813 | { | |
155961e8 | 814 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
815 | |
816 | BT_DBG("%s evt %d", hdev->name, evt); | |
817 | ||
43c2e57f MH |
818 | if (hdev->conn_hash.sco_num != data->sco_num) { |
819 | data->sco_num = hdev->conn_hash.sco_num; | |
820 | schedule_work(&data->work); | |
a780efa8 | 821 | } |
5e23b923 MH |
822 | } |
823 | ||
42b16b3f | 824 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 825 | { |
155961e8 | 826 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
827 | struct usb_interface *intf = data->isoc; |
828 | struct usb_endpoint_descriptor *ep_desc; | |
829 | int i, err; | |
830 | ||
831 | if (!data->isoc) | |
832 | return -ENODEV; | |
833 | ||
834 | err = usb_set_interface(data->udev, 1, altsetting); | |
835 | if (err < 0) { | |
836 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
837 | return err; | |
838 | } | |
839 | ||
840 | data->isoc_altsetting = altsetting; | |
841 | ||
842 | data->isoc_tx_ep = NULL; | |
843 | data->isoc_rx_ep = NULL; | |
844 | ||
845 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
846 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
847 | ||
848 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
849 | data->isoc_tx_ep = ep_desc; | |
850 | continue; | |
851 | } | |
852 | ||
853 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
854 | data->isoc_rx_ep = ep_desc; | |
855 | continue; | |
856 | } | |
857 | } | |
858 | ||
859 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
860 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
861 | return -ENODEV; | |
862 | } | |
863 | ||
864 | return 0; | |
865 | } | |
866 | ||
5e23b923 MH |
867 | static void btusb_work(struct work_struct *work) |
868 | { | |
869 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
870 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 871 | int new_alts; |
7bee549e | 872 | int err; |
5e23b923 | 873 | |
9bfa35fe | 874 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 875 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 876 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
877 | if (err < 0) { |
878 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
879 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
880 | return; | |
881 | } | |
882 | ||
08b8b6c4 | 883 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 884 | } |
f4001d28 MA |
885 | |
886 | if (hdev->voice_setting & 0x0020) { | |
887 | static const int alts[3] = { 2, 4, 5 }; | |
888 | new_alts = alts[hdev->conn_hash.sco_num - 1]; | |
889 | } else { | |
890 | new_alts = hdev->conn_hash.sco_num; | |
891 | } | |
892 | ||
893 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
894 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
895 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
896 | ||
f4001d28 | 897 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
898 | return; |
899 | } | |
900 | ||
901 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 902 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
903 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
904 | else | |
2eda66f4 | 905 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
906 | } |
907 | } else { | |
908 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
909 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
910 | ||
911 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 912 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 913 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
914 | } |
915 | } | |
916 | ||
7bee549e ON |
917 | static void btusb_waker(struct work_struct *work) |
918 | { | |
919 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
920 | int err; | |
921 | ||
922 | err = usb_autopm_get_interface(data->intf); | |
923 | if (err < 0) | |
924 | return; | |
925 | ||
926 | usb_autopm_put_interface(data->intf); | |
927 | } | |
928 | ||
5e23b923 MH |
929 | static int btusb_probe(struct usb_interface *intf, |
930 | const struct usb_device_id *id) | |
931 | { | |
932 | struct usb_endpoint_descriptor *ep_desc; | |
933 | struct btusb_data *data; | |
934 | struct hci_dev *hdev; | |
935 | int i, err; | |
936 | ||
937 | BT_DBG("intf %p id %p", intf, id); | |
938 | ||
cfeb4145 | 939 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
940 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
941 | return -ENODEV; | |
942 | ||
943 | if (!id->driver_info) { | |
944 | const struct usb_device_id *match; | |
945 | match = usb_match_id(intf, blacklist_table); | |
946 | if (match) | |
947 | id = match; | |
948 | } | |
949 | ||
cfeb4145 MH |
950 | if (id->driver_info == BTUSB_IGNORE) |
951 | return -ENODEV; | |
952 | ||
953 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
954 | return -ENODEV; | |
955 | ||
956 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
957 | return -ENODEV; | |
958 | ||
959 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
960 | return -ENODEV; | |
961 | ||
2d25f8b4 SL |
962 | if (id->driver_info & BTUSB_ATH3012) { |
963 | struct usb_device *udev = interface_to_usbdev(intf); | |
964 | ||
965 | /* Old firmware would otherwise let ath3k driver load | |
966 | * patch and sysconfig files */ | |
967 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
968 | return -ENODEV; | |
969 | } | |
970 | ||
98921dbd | 971 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
972 | if (!data) |
973 | return -ENOMEM; | |
974 | ||
975 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
976 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
977 | ||
978 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
979 | data->intr_ep = ep_desc; | |
980 | continue; | |
981 | } | |
982 | ||
983 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
984 | data->bulk_tx_ep = ep_desc; | |
985 | continue; | |
986 | } | |
987 | ||
988 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
989 | data->bulk_rx_ep = ep_desc; | |
990 | continue; | |
991 | } | |
992 | } | |
993 | ||
98921dbd | 994 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 995 | return -ENODEV; |
5e23b923 | 996 | |
7a9d4020 MH |
997 | data->cmdreq_type = USB_TYPE_CLASS; |
998 | ||
5e23b923 | 999 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 1000 | data->intf = intf; |
5e23b923 MH |
1001 | |
1002 | spin_lock_init(&data->lock); | |
1003 | ||
1004 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
1005 | INIT_WORK(&data->waker, btusb_waker); |
1006 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
1007 | |
1008 | init_usb_anchor(&data->tx_anchor); | |
1009 | init_usb_anchor(&data->intr_anchor); | |
1010 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1011 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1012 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1013 | |
1014 | hdev = hci_alloc_dev(); | |
98921dbd | 1015 | if (!hdev) |
5e23b923 | 1016 | return -ENOMEM; |
5e23b923 | 1017 | |
c13854ce | 1018 | hdev->bus = HCI_USB; |
155961e8 | 1019 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1020 | |
1021 | data->hdev = hdev; | |
1022 | ||
1023 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1024 | ||
1025 | hdev->open = btusb_open; | |
1026 | hdev->close = btusb_close; | |
1027 | hdev->flush = btusb_flush; | |
1028 | hdev->send = btusb_send_frame; | |
5e23b923 MH |
1029 | hdev->notify = btusb_notify; |
1030 | ||
7a9d4020 | 1031 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1032 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1033 | ||
7a9d4020 | 1034 | if (!reset) |
a6c511c6 | 1035 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1036 | |
1037 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1038 | if (!disable_scofix) | |
1039 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1040 | } | |
1041 | ||
9bfa35fe MH |
1042 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1043 | data->isoc = NULL; | |
1044 | ||
7a9d4020 MH |
1045 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1046 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1047 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1048 | } |
1049 | ||
1050 | if (id->driver_info & BTUSB_CSR) { | |
1051 | struct usb_device *udev = data->udev; | |
1052 | ||
1053 | /* Old firmware would otherwise execute USB reset */ | |
1054 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
a6c511c6 | 1055 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1056 | } |
1057 | ||
cfeb4145 | 1058 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1059 | struct usb_device *udev = data->udev; |
cfeb4145 | 1060 | |
7a9d4020 | 1061 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1062 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1063 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1064 | |
1065 | data->isoc = NULL; | |
cfeb4145 MH |
1066 | } |
1067 | ||
1068 | if (id->driver_info & BTUSB_BCM92035) { | |
1069 | unsigned char cmd[] = { 0x3b, 0xfc, 0x01, 0x00 }; | |
1070 | struct sk_buff *skb; | |
1071 | ||
1072 | skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL); | |
1073 | if (skb) { | |
1074 | memcpy(skb_put(skb, sizeof(cmd)), cmd, sizeof(cmd)); | |
1075 | skb_queue_tail(&hdev->driver_init, skb); | |
1076 | } | |
1077 | } | |
5e23b923 | 1078 | |
9bfa35fe MH |
1079 | if (data->isoc) { |
1080 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1081 | data->isoc, data); |
9bfa35fe MH |
1082 | if (err < 0) { |
1083 | hci_free_dev(hdev); | |
9bfa35fe MH |
1084 | return err; |
1085 | } | |
1086 | } | |
1087 | ||
5e23b923 MH |
1088 | err = hci_register_dev(hdev); |
1089 | if (err < 0) { | |
1090 | hci_free_dev(hdev); | |
5e23b923 MH |
1091 | return err; |
1092 | } | |
1093 | ||
1094 | usb_set_intfdata(intf, data); | |
1095 | ||
1096 | return 0; | |
1097 | } | |
1098 | ||
1099 | static void btusb_disconnect(struct usb_interface *intf) | |
1100 | { | |
1101 | struct btusb_data *data = usb_get_intfdata(intf); | |
1102 | struct hci_dev *hdev; | |
1103 | ||
1104 | BT_DBG("intf %p", intf); | |
1105 | ||
1106 | if (!data) | |
1107 | return; | |
1108 | ||
1109 | hdev = data->hdev; | |
5fbcd260 MH |
1110 | usb_set_intfdata(data->intf, NULL); |
1111 | ||
1112 | if (data->isoc) | |
1113 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1114 | |
1115 | hci_unregister_dev(hdev); | |
1116 | ||
5fbcd260 MH |
1117 | if (intf == data->isoc) |
1118 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1119 | else if (data->isoc) | |
1120 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1121 | ||
5e23b923 MH |
1122 | hci_free_dev(hdev); |
1123 | } | |
1124 | ||
7bee549e | 1125 | #ifdef CONFIG_PM |
6a88adf2 MH |
1126 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1127 | { | |
1128 | struct btusb_data *data = usb_get_intfdata(intf); | |
1129 | ||
1130 | BT_DBG("intf %p", intf); | |
1131 | ||
1132 | if (data->suspend_count++) | |
1133 | return 0; | |
1134 | ||
7bee549e | 1135 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1136 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1137 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1138 | spin_unlock_irq(&data->txlock); | |
1139 | } else { | |
1140 | spin_unlock_irq(&data->txlock); | |
1141 | data->suspend_count--; | |
1142 | return -EBUSY; | |
1143 | } | |
1144 | ||
6a88adf2 MH |
1145 | cancel_work_sync(&data->work); |
1146 | ||
7bee549e | 1147 | btusb_stop_traffic(data); |
6a88adf2 MH |
1148 | usb_kill_anchored_urbs(&data->tx_anchor); |
1149 | ||
6a88adf2 MH |
1150 | return 0; |
1151 | } | |
1152 | ||
7bee549e ON |
1153 | static void play_deferred(struct btusb_data *data) |
1154 | { | |
1155 | struct urb *urb; | |
1156 | int err; | |
1157 | ||
1158 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1159 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1160 | if (err < 0) | |
1161 | break; | |
1162 | ||
1163 | data->tx_in_flight++; | |
1164 | } | |
1165 | usb_scuttle_anchored_urbs(&data->deferred); | |
1166 | } | |
1167 | ||
6a88adf2 MH |
1168 | static int btusb_resume(struct usb_interface *intf) |
1169 | { | |
1170 | struct btusb_data *data = usb_get_intfdata(intf); | |
1171 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1172 | int err = 0; |
6a88adf2 MH |
1173 | |
1174 | BT_DBG("intf %p", intf); | |
1175 | ||
1176 | if (--data->suspend_count) | |
1177 | return 0; | |
1178 | ||
1179 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1180 | goto done; |
6a88adf2 MH |
1181 | |
1182 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1183 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1184 | if (err < 0) { | |
1185 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1186 | goto failed; |
6a88adf2 MH |
1187 | } |
1188 | } | |
1189 | ||
1190 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1191 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1192 | if (err < 0) { | |
6a88adf2 | 1193 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1194 | goto failed; |
1195 | } | |
1196 | ||
1197 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1198 | } |
1199 | ||
1200 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1201 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1202 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1203 | else | |
1204 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1205 | } | |
1206 | ||
7bee549e ON |
1207 | spin_lock_irq(&data->txlock); |
1208 | play_deferred(data); | |
1209 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1210 | spin_unlock_irq(&data->txlock); | |
1211 | schedule_work(&data->work); | |
1212 | ||
6a88adf2 | 1213 | return 0; |
7bee549e ON |
1214 | |
1215 | failed: | |
1216 | usb_scuttle_anchored_urbs(&data->deferred); | |
1217 | done: | |
1218 | spin_lock_irq(&data->txlock); | |
1219 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1220 | spin_unlock_irq(&data->txlock); | |
1221 | ||
1222 | return err; | |
6a88adf2 | 1223 | } |
7bee549e | 1224 | #endif |
6a88adf2 | 1225 | |
5e23b923 MH |
1226 | static struct usb_driver btusb_driver = { |
1227 | .name = "btusb", | |
1228 | .probe = btusb_probe, | |
1229 | .disconnect = btusb_disconnect, | |
7bee549e | 1230 | #ifdef CONFIG_PM |
6a88adf2 MH |
1231 | .suspend = btusb_suspend, |
1232 | .resume = btusb_resume, | |
7bee549e | 1233 | #endif |
5e23b923 | 1234 | .id_table = btusb_table, |
7bee549e | 1235 | .supports_autosuspend = 1, |
e1f12eb6 | 1236 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1237 | }; |
1238 | ||
93f1508c | 1239 | module_usb_driver(btusb_driver); |
5e23b923 | 1240 | |
cfeb4145 MH |
1241 | module_param(ignore_dga, bool, 0644); |
1242 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1243 | ||
1244 | module_param(ignore_csr, bool, 0644); | |
1245 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1246 | ||
1247 | module_param(ignore_sniffer, bool, 0644); | |
1248 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1249 | ||
1250 | module_param(disable_scofix, bool, 0644); | |
1251 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1252 | ||
1253 | module_param(force_scofix, bool, 0644); | |
1254 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1255 | ||
1256 | module_param(reset, bool, 0644); | |
1257 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1258 | ||
5e23b923 MH |
1259 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1260 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1261 | MODULE_VERSION(VERSION); | |
1262 | MODULE_LICENSE("GPL"); |