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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 }, |
0fc110f4 | 151 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 152 | |
e9036e33 CYC |
153 | /* Atheros AR5BBU12 with sflash firmware */ |
154 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
155 | ||
85d59726 MG |
156 | /* Atheros AR5BBU12 with sflash firmware */ |
157 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, | |
bc21fde2 | 158 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 159 | |
cfeb4145 | 160 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
161 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
162 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
163 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
164 | |
165 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
166 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
167 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 168 | |
cfeb4145 | 169 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
170 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
171 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
172 | |
173 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 174 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
175 | |
176 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 177 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 178 | |
5ddd4a60 | 179 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 180 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 181 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 182 | |
7a9d4020 MH |
183 | /* Belkin F8T012 and F8T013 devices */ |
184 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
185 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 186 | |
5ddd4a60 MH |
187 | /* Asus WL-BTD202 device */ |
188 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
189 | ||
190 | /* Kensington Bluetooth USB adapter */ | |
191 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
192 | ||
cfeb4145 MH |
193 | /* RTX Telecom based adapters with buggy SCO support */ |
194 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
195 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
196 | ||
197 | /* CONWISE Technology based adapters with buggy SCO support */ | |
198 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
199 | ||
cfeb4145 MH |
200 | /* Digianswer devices */ |
201 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
202 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
203 | ||
204 | /* CSR BlueCore Bluetooth Sniffer */ | |
205 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
206 | ||
207 | /* Frontline ComProbe Bluetooth Sniffer */ | |
208 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
209 | ||
5e23b923 MH |
210 | { } /* Terminating entry */ |
211 | }; | |
212 | ||
9bfa35fe MH |
213 | #define BTUSB_MAX_ISOC_FRAMES 10 |
214 | ||
5e23b923 MH |
215 | #define BTUSB_INTR_RUNNING 0 |
216 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 217 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 218 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 219 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
220 | |
221 | struct btusb_data { | |
222 | struct hci_dev *hdev; | |
223 | struct usb_device *udev; | |
5fbcd260 | 224 | struct usb_interface *intf; |
9bfa35fe | 225 | struct usb_interface *isoc; |
5e23b923 MH |
226 | |
227 | spinlock_t lock; | |
228 | ||
229 | unsigned long flags; | |
230 | ||
231 | struct work_struct work; | |
7bee549e | 232 | struct work_struct waker; |
5e23b923 MH |
233 | |
234 | struct usb_anchor tx_anchor; | |
235 | struct usb_anchor intr_anchor; | |
236 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 237 | struct usb_anchor isoc_anchor; |
7bee549e ON |
238 | struct usb_anchor deferred; |
239 | int tx_in_flight; | |
240 | spinlock_t txlock; | |
5e23b923 MH |
241 | |
242 | struct usb_endpoint_descriptor *intr_ep; | |
243 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
244 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
245 | struct usb_endpoint_descriptor *isoc_tx_ep; |
246 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
247 | ||
7a9d4020 | 248 | __u8 cmdreq_type; |
93600997 | 249 | unsigned long driver_info; |
7a9d4020 | 250 | |
43c2e57f | 251 | unsigned int sco_num; |
9bfa35fe | 252 | int isoc_altsetting; |
6a88adf2 | 253 | int suspend_count; |
5e23b923 MH |
254 | }; |
255 | ||
7bee549e ON |
256 | static int inc_tx(struct btusb_data *data) |
257 | { | |
258 | unsigned long flags; | |
259 | int rv; | |
260 | ||
261 | spin_lock_irqsave(&data->txlock, flags); | |
262 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
263 | if (!rv) | |
264 | data->tx_in_flight++; | |
265 | spin_unlock_irqrestore(&data->txlock, flags); | |
266 | ||
267 | return rv; | |
268 | } | |
269 | ||
5e23b923 MH |
270 | static void btusb_intr_complete(struct urb *urb) |
271 | { | |
272 | struct hci_dev *hdev = urb->context; | |
155961e8 | 273 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
274 | int err; |
275 | ||
276 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
277 | urb, urb->status, urb->actual_length); | |
278 | ||
279 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
280 | return; | |
281 | ||
282 | if (urb->status == 0) { | |
9bfa35fe MH |
283 | hdev->stat.byte_rx += urb->actual_length; |
284 | ||
5e23b923 MH |
285 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
286 | urb->transfer_buffer, | |
287 | urb->actual_length) < 0) { | |
288 | BT_ERR("%s corrupted event packet", hdev->name); | |
289 | hdev->stat.err_rx++; | |
290 | } | |
291 | } | |
292 | ||
293 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
294 | return; | |
295 | ||
7bee549e | 296 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
297 | usb_anchor_urb(urb, &data->intr_anchor); |
298 | ||
299 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
300 | if (err < 0) { | |
4935f1c1 PB |
301 | /* -EPERM: urb is being killed; |
302 | * -ENODEV: device got disconnected */ | |
303 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 304 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
305 | hdev->name, urb, -err); |
306 | usb_unanchor_urb(urb); | |
307 | } | |
308 | } | |
309 | ||
2eda66f4 | 310 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 311 | { |
155961e8 | 312 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
313 | struct urb *urb; |
314 | unsigned char *buf; | |
315 | unsigned int pipe; | |
316 | int err, size; | |
317 | ||
318 | BT_DBG("%s", hdev->name); | |
319 | ||
9bfa35fe MH |
320 | if (!data->intr_ep) |
321 | return -ENODEV; | |
322 | ||
2eda66f4 | 323 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
324 | if (!urb) |
325 | return -ENOMEM; | |
326 | ||
327 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
328 | ||
2eda66f4 | 329 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
330 | if (!buf) { |
331 | usb_free_urb(urb); | |
332 | return -ENOMEM; | |
333 | } | |
334 | ||
335 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
336 | ||
337 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
338 | btusb_intr_complete, hdev, | |
339 | data->intr_ep->bInterval); | |
340 | ||
341 | urb->transfer_flags |= URB_FREE_BUFFER; | |
342 | ||
343 | usb_anchor_urb(urb, &data->intr_anchor); | |
344 | ||
2eda66f4 | 345 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 346 | if (err < 0) { |
d4b8d1c9 PB |
347 | if (err != -EPERM && err != -ENODEV) |
348 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
349 | hdev->name, urb, -err); |
350 | usb_unanchor_urb(urb); | |
5e23b923 MH |
351 | } |
352 | ||
353 | usb_free_urb(urb); | |
354 | ||
355 | return err; | |
356 | } | |
357 | ||
358 | static void btusb_bulk_complete(struct urb *urb) | |
359 | { | |
360 | struct hci_dev *hdev = urb->context; | |
155961e8 | 361 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
362 | int err; |
363 | ||
364 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
365 | urb, urb->status, urb->actual_length); | |
366 | ||
367 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
368 | return; | |
369 | ||
370 | if (urb->status == 0) { | |
9bfa35fe MH |
371 | hdev->stat.byte_rx += urb->actual_length; |
372 | ||
5e23b923 MH |
373 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
374 | urb->transfer_buffer, | |
375 | urb->actual_length) < 0) { | |
376 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
377 | hdev->stat.err_rx++; | |
378 | } | |
379 | } | |
380 | ||
381 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
382 | return; | |
383 | ||
384 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 385 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
386 | |
387 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
388 | if (err < 0) { | |
4935f1c1 PB |
389 | /* -EPERM: urb is being killed; |
390 | * -ENODEV: device got disconnected */ | |
391 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 392 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
393 | hdev->name, urb, -err); |
394 | usb_unanchor_urb(urb); | |
395 | } | |
396 | } | |
397 | ||
2eda66f4 | 398 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 399 | { |
155961e8 | 400 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
401 | struct urb *urb; |
402 | unsigned char *buf; | |
403 | unsigned int pipe; | |
290ba200 | 404 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
405 | |
406 | BT_DBG("%s", hdev->name); | |
407 | ||
9bfa35fe MH |
408 | if (!data->bulk_rx_ep) |
409 | return -ENODEV; | |
410 | ||
2eda66f4 | 411 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
412 | if (!urb) |
413 | return -ENOMEM; | |
414 | ||
2eda66f4 | 415 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
416 | if (!buf) { |
417 | usb_free_urb(urb); | |
418 | return -ENOMEM; | |
419 | } | |
420 | ||
421 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
422 | ||
423 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
424 | buf, size, btusb_bulk_complete, hdev); | |
425 | ||
426 | urb->transfer_flags |= URB_FREE_BUFFER; | |
427 | ||
7bee549e | 428 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
429 | usb_anchor_urb(urb, &data->bulk_anchor); |
430 | ||
2eda66f4 | 431 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 432 | if (err < 0) { |
d4b8d1c9 PB |
433 | if (err != -EPERM && err != -ENODEV) |
434 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
435 | hdev->name, urb, -err); |
436 | usb_unanchor_urb(urb); | |
5e23b923 MH |
437 | } |
438 | ||
439 | usb_free_urb(urb); | |
440 | ||
441 | return err; | |
442 | } | |
443 | ||
9bfa35fe MH |
444 | static void btusb_isoc_complete(struct urb *urb) |
445 | { | |
446 | struct hci_dev *hdev = urb->context; | |
155961e8 | 447 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
448 | int i, err; |
449 | ||
450 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
451 | urb, urb->status, urb->actual_length); | |
452 | ||
453 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
454 | return; | |
455 | ||
456 | if (urb->status == 0) { | |
457 | for (i = 0; i < urb->number_of_packets; i++) { | |
458 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
459 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
460 | ||
461 | if (urb->iso_frame_desc[i].status) | |
462 | continue; | |
463 | ||
464 | hdev->stat.byte_rx += length; | |
465 | ||
466 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
467 | urb->transfer_buffer + offset, | |
468 | length) < 0) { | |
469 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
470 | hdev->stat.err_rx++; | |
471 | } | |
472 | } | |
473 | } | |
474 | ||
475 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
476 | return; | |
477 | ||
478 | usb_anchor_urb(urb, &data->isoc_anchor); | |
479 | ||
480 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
481 | if (err < 0) { | |
4935f1c1 PB |
482 | /* -EPERM: urb is being killed; |
483 | * -ENODEV: device got disconnected */ | |
484 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 485 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
486 | hdev->name, urb, -err); |
487 | usb_unanchor_urb(urb); | |
488 | } | |
489 | } | |
490 | ||
42b16b3f | 491 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
492 | { |
493 | int i, offset = 0; | |
494 | ||
495 | BT_DBG("len %d mtu %d", len, mtu); | |
496 | ||
497 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
498 | i++, offset += mtu, len -= mtu) { | |
499 | urb->iso_frame_desc[i].offset = offset; | |
500 | urb->iso_frame_desc[i].length = mtu; | |
501 | } | |
502 | ||
503 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
504 | urb->iso_frame_desc[i].offset = offset; | |
505 | urb->iso_frame_desc[i].length = len; | |
506 | i++; | |
507 | } | |
508 | ||
509 | urb->number_of_packets = i; | |
510 | } | |
511 | ||
2eda66f4 | 512 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 513 | { |
155961e8 | 514 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
515 | struct urb *urb; |
516 | unsigned char *buf; | |
517 | unsigned int pipe; | |
518 | int err, size; | |
519 | ||
520 | BT_DBG("%s", hdev->name); | |
521 | ||
522 | if (!data->isoc_rx_ep) | |
523 | return -ENODEV; | |
524 | ||
2eda66f4 | 525 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
526 | if (!urb) |
527 | return -ENOMEM; | |
528 | ||
529 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
530 | BTUSB_MAX_ISOC_FRAMES; | |
531 | ||
2eda66f4 | 532 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
533 | if (!buf) { |
534 | usb_free_urb(urb); | |
535 | return -ENOMEM; | |
536 | } | |
537 | ||
538 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
539 | ||
fa0fb93f BZ |
540 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
541 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
542 | |
543 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
544 | |
545 | __fill_isoc_descriptor(urb, size, | |
546 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
547 | ||
548 | usb_anchor_urb(urb, &data->isoc_anchor); | |
549 | ||
2eda66f4 | 550 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 551 | if (err < 0) { |
d4b8d1c9 PB |
552 | if (err != -EPERM && err != -ENODEV) |
553 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
554 | hdev->name, urb, -err); |
555 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
556 | } |
557 | ||
558 | usb_free_urb(urb); | |
559 | ||
560 | return err; | |
561 | } | |
562 | ||
5e23b923 | 563 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
564 | { |
565 | struct sk_buff *skb = urb->context; | |
566 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 567 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
568 | |
569 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
570 | urb, urb->status, urb->actual_length); | |
571 | ||
572 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
573 | goto done; | |
574 | ||
575 | if (!urb->status) | |
576 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
577 | else | |
578 | hdev->stat.err_tx++; | |
579 | ||
580 | done: | |
581 | spin_lock(&data->txlock); | |
582 | data->tx_in_flight--; | |
583 | spin_unlock(&data->txlock); | |
584 | ||
585 | kfree(urb->setup_packet); | |
586 | ||
587 | kfree_skb(skb); | |
588 | } | |
589 | ||
590 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
591 | { |
592 | struct sk_buff *skb = urb->context; | |
593 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
594 | ||
595 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
596 | urb, urb->status, urb->actual_length); | |
597 | ||
598 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
599 | goto done; | |
600 | ||
601 | if (!urb->status) | |
602 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
603 | else | |
604 | hdev->stat.err_tx++; | |
605 | ||
606 | done: | |
607 | kfree(urb->setup_packet); | |
608 | ||
609 | kfree_skb(skb); | |
610 | } | |
611 | ||
612 | static int btusb_open(struct hci_dev *hdev) | |
613 | { | |
155961e8 | 614 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
615 | int err; |
616 | ||
617 | BT_DBG("%s", hdev->name); | |
618 | ||
7bee549e ON |
619 | err = usb_autopm_get_interface(data->intf); |
620 | if (err < 0) | |
621 | return err; | |
622 | ||
623 | data->intf->needs_remote_wakeup = 1; | |
624 | ||
5e23b923 | 625 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 626 | goto done; |
5e23b923 MH |
627 | |
628 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 629 | goto done; |
5e23b923 | 630 | |
2eda66f4 | 631 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
632 | if (err < 0) |
633 | goto failed; | |
634 | ||
635 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 636 | if (err < 0) { |
43c2e57f MH |
637 | usb_kill_anchored_urbs(&data->intr_anchor); |
638 | goto failed; | |
5e23b923 MH |
639 | } |
640 | ||
43c2e57f MH |
641 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
642 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
643 | ||
7bee549e ON |
644 | done: |
645 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
646 | return 0; |
647 | ||
648 | failed: | |
649 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
650 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 651 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
652 | return err; |
653 | } | |
654 | ||
7bee549e ON |
655 | static void btusb_stop_traffic(struct btusb_data *data) |
656 | { | |
657 | usb_kill_anchored_urbs(&data->intr_anchor); | |
658 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
659 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
660 | } | |
661 | ||
5e23b923 MH |
662 | static int btusb_close(struct hci_dev *hdev) |
663 | { | |
155961e8 | 664 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 665 | int err; |
5e23b923 MH |
666 | |
667 | BT_DBG("%s", hdev->name); | |
668 | ||
669 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
670 | return 0; | |
671 | ||
e8c3c3d2 | 672 | cancel_work_sync(&data->work); |
404291ac | 673 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 674 | |
9bfa35fe | 675 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 676 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 677 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
678 | |
679 | btusb_stop_traffic(data); | |
680 | err = usb_autopm_get_interface(data->intf); | |
681 | if (err < 0) | |
7b8e2c1d | 682 | goto failed; |
7bee549e ON |
683 | |
684 | data->intf->needs_remote_wakeup = 0; | |
685 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 686 | |
7b8e2c1d ON |
687 | failed: |
688 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
689 | return 0; |
690 | } | |
691 | ||
692 | static int btusb_flush(struct hci_dev *hdev) | |
693 | { | |
155961e8 | 694 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
695 | |
696 | BT_DBG("%s", hdev->name); | |
697 | ||
698 | usb_kill_anchored_urbs(&data->tx_anchor); | |
699 | ||
700 | return 0; | |
701 | } | |
702 | ||
93600997 MH |
703 | static int btusb_setup(struct hci_dev *hdev) |
704 | { | |
705 | struct btusb_data *data = hci_get_drvdata(hdev); | |
706 | ||
707 | BT_DBG("%s", hdev->name); | |
708 | ||
709 | if (data->driver_info & BTUSB_BCM92035) { | |
710 | struct sk_buff *skb; | |
711 | __u8 val = 0x00; | |
712 | ||
713 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
714 | if (IS_ERR(skb)) | |
715 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
716 | else | |
717 | kfree_skb(skb); | |
718 | } | |
719 | ||
720 | return 0; | |
721 | } | |
722 | ||
5e23b923 MH |
723 | static int btusb_send_frame(struct sk_buff *skb) |
724 | { | |
725 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 726 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
727 | struct usb_ctrlrequest *dr; |
728 | struct urb *urb; | |
729 | unsigned int pipe; | |
730 | int err; | |
731 | ||
732 | BT_DBG("%s", hdev->name); | |
733 | ||
734 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
735 | return -EBUSY; | |
736 | ||
737 | switch (bt_cb(skb)->pkt_type) { | |
738 | case HCI_COMMAND_PKT: | |
739 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
740 | if (!urb) | |
741 | return -ENOMEM; | |
742 | ||
743 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
744 | if (!dr) { | |
745 | usb_free_urb(urb); | |
746 | return -ENOMEM; | |
747 | } | |
748 | ||
7a9d4020 | 749 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
750 | dr->bRequest = 0; |
751 | dr->wIndex = 0; | |
752 | dr->wValue = 0; | |
753 | dr->wLength = __cpu_to_le16(skb->len); | |
754 | ||
755 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
756 | ||
757 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
758 | skb->data, skb->len, btusb_tx_complete, skb); | |
759 | ||
760 | hdev->stat.cmd_tx++; | |
761 | break; | |
762 | ||
763 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 764 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
765 | return -ENODEV; |
766 | ||
5e23b923 MH |
767 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
768 | if (!urb) | |
769 | return -ENOMEM; | |
770 | ||
771 | pipe = usb_sndbulkpipe(data->udev, | |
772 | data->bulk_tx_ep->bEndpointAddress); | |
773 | ||
774 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
775 | skb->data, skb->len, btusb_tx_complete, skb); | |
776 | ||
777 | hdev->stat.acl_tx++; | |
778 | break; | |
779 | ||
780 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
781 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
782 | return -ENODEV; | |
783 | ||
784 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
785 | if (!urb) | |
786 | return -ENOMEM; | |
787 | ||
788 | pipe = usb_sndisocpipe(data->udev, | |
789 | data->isoc_tx_ep->bEndpointAddress); | |
790 | ||
03c2d0e8 GP |
791 | usb_fill_int_urb(urb, data->udev, pipe, |
792 | skb->data, skb->len, btusb_isoc_tx_complete, | |
793 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
794 | |
795 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
796 | |
797 | __fill_isoc_descriptor(urb, skb->len, | |
798 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
799 | ||
5e23b923 | 800 | hdev->stat.sco_tx++; |
7bee549e | 801 | goto skip_waking; |
5e23b923 MH |
802 | |
803 | default: | |
804 | return -EILSEQ; | |
805 | } | |
806 | ||
7bee549e ON |
807 | err = inc_tx(data); |
808 | if (err) { | |
809 | usb_anchor_urb(urb, &data->deferred); | |
810 | schedule_work(&data->waker); | |
811 | err = 0; | |
812 | goto done; | |
813 | } | |
814 | ||
815 | skip_waking: | |
5e23b923 MH |
816 | usb_anchor_urb(urb, &data->tx_anchor); |
817 | ||
818 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
819 | if (err < 0) { | |
5a9b80e2 PB |
820 | if (err != -EPERM && err != -ENODEV) |
821 | BT_ERR("%s urb %p submission failed (%d)", | |
822 | hdev->name, urb, -err); | |
5e23b923 MH |
823 | kfree(urb->setup_packet); |
824 | usb_unanchor_urb(urb); | |
7bee549e ON |
825 | } else { |
826 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
827 | } |
828 | ||
7bee549e | 829 | done: |
54a8a79c | 830 | usb_free_urb(urb); |
5e23b923 MH |
831 | return err; |
832 | } | |
833 | ||
5e23b923 MH |
834 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
835 | { | |
155961e8 | 836 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
837 | |
838 | BT_DBG("%s evt %d", hdev->name, evt); | |
839 | ||
43c2e57f MH |
840 | if (hdev->conn_hash.sco_num != data->sco_num) { |
841 | data->sco_num = hdev->conn_hash.sco_num; | |
842 | schedule_work(&data->work); | |
a780efa8 | 843 | } |
5e23b923 MH |
844 | } |
845 | ||
42b16b3f | 846 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 847 | { |
155961e8 | 848 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
849 | struct usb_interface *intf = data->isoc; |
850 | struct usb_endpoint_descriptor *ep_desc; | |
851 | int i, err; | |
852 | ||
853 | if (!data->isoc) | |
854 | return -ENODEV; | |
855 | ||
856 | err = usb_set_interface(data->udev, 1, altsetting); | |
857 | if (err < 0) { | |
858 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
859 | return err; | |
860 | } | |
861 | ||
862 | data->isoc_altsetting = altsetting; | |
863 | ||
864 | data->isoc_tx_ep = NULL; | |
865 | data->isoc_rx_ep = NULL; | |
866 | ||
867 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
868 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
869 | ||
870 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
871 | data->isoc_tx_ep = ep_desc; | |
872 | continue; | |
873 | } | |
874 | ||
875 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
876 | data->isoc_rx_ep = ep_desc; | |
877 | continue; | |
878 | } | |
879 | } | |
880 | ||
881 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
882 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
883 | return -ENODEV; | |
884 | } | |
885 | ||
886 | return 0; | |
887 | } | |
888 | ||
5e23b923 MH |
889 | static void btusb_work(struct work_struct *work) |
890 | { | |
891 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
892 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 893 | int new_alts; |
7bee549e | 894 | int err; |
5e23b923 | 895 | |
9bfa35fe | 896 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 897 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 898 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
899 | if (err < 0) { |
900 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
901 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
902 | return; | |
903 | } | |
904 | ||
08b8b6c4 | 905 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 906 | } |
f4001d28 MA |
907 | |
908 | if (hdev->voice_setting & 0x0020) { | |
909 | static const int alts[3] = { 2, 4, 5 }; | |
910 | new_alts = alts[hdev->conn_hash.sco_num - 1]; | |
911 | } else { | |
912 | new_alts = hdev->conn_hash.sco_num; | |
913 | } | |
914 | ||
915 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
916 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
917 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
918 | ||
f4001d28 | 919 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
920 | return; |
921 | } | |
922 | ||
923 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 924 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
925 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
926 | else | |
2eda66f4 | 927 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
928 | } |
929 | } else { | |
930 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
931 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
932 | ||
933 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 934 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 935 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
936 | } |
937 | } | |
938 | ||
7bee549e ON |
939 | static void btusb_waker(struct work_struct *work) |
940 | { | |
941 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
942 | int err; | |
943 | ||
944 | err = usb_autopm_get_interface(data->intf); | |
945 | if (err < 0) | |
946 | return; | |
947 | ||
948 | usb_autopm_put_interface(data->intf); | |
949 | } | |
950 | ||
5e23b923 MH |
951 | static int btusb_probe(struct usb_interface *intf, |
952 | const struct usb_device_id *id) | |
953 | { | |
954 | struct usb_endpoint_descriptor *ep_desc; | |
955 | struct btusb_data *data; | |
956 | struct hci_dev *hdev; | |
957 | int i, err; | |
958 | ||
959 | BT_DBG("intf %p id %p", intf, id); | |
960 | ||
cfeb4145 | 961 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
962 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
963 | return -ENODEV; | |
964 | ||
965 | if (!id->driver_info) { | |
966 | const struct usb_device_id *match; | |
967 | match = usb_match_id(intf, blacklist_table); | |
968 | if (match) | |
969 | id = match; | |
970 | } | |
971 | ||
cfeb4145 MH |
972 | if (id->driver_info == BTUSB_IGNORE) |
973 | return -ENODEV; | |
974 | ||
975 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
976 | return -ENODEV; | |
977 | ||
978 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
979 | return -ENODEV; | |
980 | ||
981 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
982 | return -ENODEV; | |
983 | ||
2d25f8b4 SL |
984 | if (id->driver_info & BTUSB_ATH3012) { |
985 | struct usb_device *udev = interface_to_usbdev(intf); | |
986 | ||
987 | /* Old firmware would otherwise let ath3k driver load | |
988 | * patch and sysconfig files */ | |
989 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
990 | return -ENODEV; | |
991 | } | |
992 | ||
98921dbd | 993 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
994 | if (!data) |
995 | return -ENOMEM; | |
996 | ||
997 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
998 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
999 | ||
1000 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1001 | data->intr_ep = ep_desc; | |
1002 | continue; | |
1003 | } | |
1004 | ||
1005 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1006 | data->bulk_tx_ep = ep_desc; | |
1007 | continue; | |
1008 | } | |
1009 | ||
1010 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1011 | data->bulk_rx_ep = ep_desc; | |
1012 | continue; | |
1013 | } | |
1014 | } | |
1015 | ||
98921dbd | 1016 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 1017 | return -ENODEV; |
5e23b923 | 1018 | |
7a9d4020 | 1019 | data->cmdreq_type = USB_TYPE_CLASS; |
93600997 | 1020 | data->driver_info = id->driver_info; |
7a9d4020 | 1021 | |
5e23b923 | 1022 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 1023 | data->intf = intf; |
5e23b923 MH |
1024 | |
1025 | spin_lock_init(&data->lock); | |
1026 | ||
1027 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
1028 | INIT_WORK(&data->waker, btusb_waker); |
1029 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
1030 | |
1031 | init_usb_anchor(&data->tx_anchor); | |
1032 | init_usb_anchor(&data->intr_anchor); | |
1033 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1034 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1035 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1036 | |
1037 | hdev = hci_alloc_dev(); | |
98921dbd | 1038 | if (!hdev) |
5e23b923 | 1039 | return -ENOMEM; |
5e23b923 | 1040 | |
c13854ce | 1041 | hdev->bus = HCI_USB; |
155961e8 | 1042 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1043 | |
1044 | data->hdev = hdev; | |
1045 | ||
1046 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1047 | ||
1048 | hdev->open = btusb_open; | |
1049 | hdev->close = btusb_close; | |
1050 | hdev->flush = btusb_flush; | |
93600997 | 1051 | hdev->setup = btusb_setup; |
5e23b923 | 1052 | hdev->send = btusb_send_frame; |
5e23b923 MH |
1053 | hdev->notify = btusb_notify; |
1054 | ||
7a9d4020 | 1055 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1056 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1057 | ||
7a9d4020 | 1058 | if (!reset) |
a6c511c6 | 1059 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1060 | |
1061 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1062 | if (!disable_scofix) | |
1063 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1064 | } | |
1065 | ||
9bfa35fe MH |
1066 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1067 | data->isoc = NULL; | |
1068 | ||
7a9d4020 MH |
1069 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1070 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1071 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1072 | } |
1073 | ||
1074 | if (id->driver_info & BTUSB_CSR) { | |
1075 | struct usb_device *udev = data->udev; | |
1076 | ||
1077 | /* Old firmware would otherwise execute USB reset */ | |
1078 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
a6c511c6 | 1079 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1080 | } |
1081 | ||
cfeb4145 | 1082 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1083 | struct usb_device *udev = data->udev; |
cfeb4145 | 1084 | |
7a9d4020 | 1085 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1086 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1087 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1088 | |
1089 | data->isoc = NULL; | |
cfeb4145 MH |
1090 | } |
1091 | ||
9bfa35fe MH |
1092 | if (data->isoc) { |
1093 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1094 | data->isoc, data); |
9bfa35fe MH |
1095 | if (err < 0) { |
1096 | hci_free_dev(hdev); | |
9bfa35fe MH |
1097 | return err; |
1098 | } | |
1099 | } | |
1100 | ||
5e23b923 MH |
1101 | err = hci_register_dev(hdev); |
1102 | if (err < 0) { | |
1103 | hci_free_dev(hdev); | |
5e23b923 MH |
1104 | return err; |
1105 | } | |
1106 | ||
1107 | usb_set_intfdata(intf, data); | |
1108 | ||
1109 | return 0; | |
1110 | } | |
1111 | ||
1112 | static void btusb_disconnect(struct usb_interface *intf) | |
1113 | { | |
1114 | struct btusb_data *data = usb_get_intfdata(intf); | |
1115 | struct hci_dev *hdev; | |
1116 | ||
1117 | BT_DBG("intf %p", intf); | |
1118 | ||
1119 | if (!data) | |
1120 | return; | |
1121 | ||
1122 | hdev = data->hdev; | |
5fbcd260 MH |
1123 | usb_set_intfdata(data->intf, NULL); |
1124 | ||
1125 | if (data->isoc) | |
1126 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1127 | |
1128 | hci_unregister_dev(hdev); | |
1129 | ||
5fbcd260 MH |
1130 | if (intf == data->isoc) |
1131 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1132 | else if (data->isoc) | |
1133 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1134 | ||
5e23b923 MH |
1135 | hci_free_dev(hdev); |
1136 | } | |
1137 | ||
7bee549e | 1138 | #ifdef CONFIG_PM |
6a88adf2 MH |
1139 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1140 | { | |
1141 | struct btusb_data *data = usb_get_intfdata(intf); | |
1142 | ||
1143 | BT_DBG("intf %p", intf); | |
1144 | ||
1145 | if (data->suspend_count++) | |
1146 | return 0; | |
1147 | ||
7bee549e | 1148 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1149 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1150 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1151 | spin_unlock_irq(&data->txlock); | |
1152 | } else { | |
1153 | spin_unlock_irq(&data->txlock); | |
1154 | data->suspend_count--; | |
1155 | return -EBUSY; | |
1156 | } | |
1157 | ||
6a88adf2 MH |
1158 | cancel_work_sync(&data->work); |
1159 | ||
7bee549e | 1160 | btusb_stop_traffic(data); |
6a88adf2 MH |
1161 | usb_kill_anchored_urbs(&data->tx_anchor); |
1162 | ||
6a88adf2 MH |
1163 | return 0; |
1164 | } | |
1165 | ||
7bee549e ON |
1166 | static void play_deferred(struct btusb_data *data) |
1167 | { | |
1168 | struct urb *urb; | |
1169 | int err; | |
1170 | ||
1171 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1172 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1173 | if (err < 0) | |
1174 | break; | |
1175 | ||
1176 | data->tx_in_flight++; | |
1177 | } | |
1178 | usb_scuttle_anchored_urbs(&data->deferred); | |
1179 | } | |
1180 | ||
6a88adf2 MH |
1181 | static int btusb_resume(struct usb_interface *intf) |
1182 | { | |
1183 | struct btusb_data *data = usb_get_intfdata(intf); | |
1184 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1185 | int err = 0; |
6a88adf2 MH |
1186 | |
1187 | BT_DBG("intf %p", intf); | |
1188 | ||
1189 | if (--data->suspend_count) | |
1190 | return 0; | |
1191 | ||
1192 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1193 | goto done; |
6a88adf2 MH |
1194 | |
1195 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1196 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1197 | if (err < 0) { | |
1198 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1199 | goto failed; |
6a88adf2 MH |
1200 | } |
1201 | } | |
1202 | ||
1203 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1204 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1205 | if (err < 0) { | |
6a88adf2 | 1206 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1207 | goto failed; |
1208 | } | |
1209 | ||
1210 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1211 | } |
1212 | ||
1213 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1214 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1215 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1216 | else | |
1217 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1218 | } | |
1219 | ||
7bee549e ON |
1220 | spin_lock_irq(&data->txlock); |
1221 | play_deferred(data); | |
1222 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1223 | spin_unlock_irq(&data->txlock); | |
1224 | schedule_work(&data->work); | |
1225 | ||
6a88adf2 | 1226 | return 0; |
7bee549e ON |
1227 | |
1228 | failed: | |
1229 | usb_scuttle_anchored_urbs(&data->deferred); | |
1230 | done: | |
1231 | spin_lock_irq(&data->txlock); | |
1232 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1233 | spin_unlock_irq(&data->txlock); | |
1234 | ||
1235 | return err; | |
6a88adf2 | 1236 | } |
7bee549e | 1237 | #endif |
6a88adf2 | 1238 | |
5e23b923 MH |
1239 | static struct usb_driver btusb_driver = { |
1240 | .name = "btusb", | |
1241 | .probe = btusb_probe, | |
1242 | .disconnect = btusb_disconnect, | |
7bee549e | 1243 | #ifdef CONFIG_PM |
6a88adf2 MH |
1244 | .suspend = btusb_suspend, |
1245 | .resume = btusb_resume, | |
7bee549e | 1246 | #endif |
5e23b923 | 1247 | .id_table = btusb_table, |
7bee549e | 1248 | .supports_autosuspend = 1, |
e1f12eb6 | 1249 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1250 | }; |
1251 | ||
93f1508c | 1252 | module_usb_driver(btusb_driver); |
5e23b923 | 1253 | |
cfeb4145 MH |
1254 | module_param(ignore_dga, bool, 0644); |
1255 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1256 | ||
1257 | module_param(ignore_csr, bool, 0644); | |
1258 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1259 | ||
1260 | module_param(ignore_sniffer, bool, 0644); | |
1261 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1262 | ||
1263 | module_param(disable_scofix, bool, 0644); | |
1264 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1265 | ||
1266 | module_param(force_scofix, bool, 0644); | |
1267 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1268 | ||
1269 | module_param(reset, bool, 0644); | |
1270 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1271 | ||
5e23b923 MH |
1272 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1273 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1274 | MODULE_VERSION(VERSION); | |
1275 | MODULE_LICENSE("GPL"); |