Commit | Line | Data |
---|---|---|
5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 25 | #include <linux/usb.h> |
dffd30ee | 26 | #include <linux/firmware.h> |
5e23b923 MH |
27 | |
28 | #include <net/bluetooth/bluetooth.h> | |
29 | #include <net/bluetooth/hci_core.h> | |
30 | ||
7bee549e | 31 | #define VERSION "0.6" |
cfeb4145 | 32 | |
90ab5ee9 RR |
33 | static bool ignore_dga; |
34 | static bool ignore_csr; | |
35 | static bool ignore_sniffer; | |
36 | static bool disable_scofix; | |
37 | static bool force_scofix; | |
7a9d4020 | 38 | |
90ab5ee9 | 39 | static bool reset = 1; |
cfeb4145 MH |
40 | |
41 | static struct usb_driver btusb_driver; | |
42 | ||
43 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
44 | #define BTUSB_DIGIANSWER 0x02 |
45 | #define BTUSB_CSR 0x04 | |
46 | #define BTUSB_SNIFFER 0x08 | |
47 | #define BTUSB_BCM92035 0x10 | |
48 | #define BTUSB_BROKEN_ISOC 0x20 | |
49 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 50 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 51 | #define BTUSB_INTEL 0x100 |
5e23b923 MH |
52 | |
53 | static struct usb_device_id btusb_table[] = { | |
54 | /* Generic Bluetooth USB device */ | |
55 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
56 | ||
1fa6535f HR |
57 | /* Apple-specific (Broadcom) devices */ |
58 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, | |
59 | ||
c510eae3 | 60 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 61 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 62 | |
3cd01976 NI |
63 | /* Apple MacBookPro 7,1 */ |
64 | { USB_DEVICE(0x05ac, 0x8213) }, | |
65 | ||
0a79f674 CL |
66 | /* Apple iMac11,1 */ |
67 | { USB_DEVICE(0x05ac, 0x8215) }, | |
68 | ||
9c047157 NI |
69 | /* Apple MacBookPro6,2 */ |
70 | { USB_DEVICE(0x05ac, 0x8218) }, | |
71 | ||
3e3ede7d EH |
72 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
73 | { USB_DEVICE(0x05ac, 0x821b) }, | |
74 | ||
a63b723d PAVM |
75 | /* Apple MacBookAir4,1 */ |
76 | { USB_DEVICE(0x05ac, 0x821f) }, | |
77 | ||
88d377b6 MAP |
78 | /* Apple MacBookPro8,2 */ |
79 | { USB_DEVICE(0x05ac, 0x821a) }, | |
80 | ||
f78b6826 JK |
81 | /* Apple MacMini5,1 */ |
82 | { USB_DEVICE(0x05ac, 0x8281) }, | |
83 | ||
cfeb4145 MH |
84 | /* AVM BlueFRITZ! USB v2.0 */ |
85 | { USB_DEVICE(0x057c, 0x3800) }, | |
86 | ||
87 | /* Bluetooth Ultraport Module from IBM */ | |
88 | { USB_DEVICE(0x04bf, 0x030a) }, | |
89 | ||
90 | /* ALPS Modules with non-standard id */ | |
91 | { USB_DEVICE(0x044e, 0x3001) }, | |
92 | { USB_DEVICE(0x044e, 0x3002) }, | |
93 | ||
94 | /* Ericsson with non-standard id */ | |
95 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
96 | ||
97 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 98 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 99 | |
d13431ca | 100 | /* Broadcom BCM20702A0 */ |
1ee3ff61 | 101 | { USB_DEVICE(0x0b05, 0x17b5) }, |
0c1abbd1 | 102 | { USB_DEVICE(0x04ca, 0x2003) }, |
79cd7602 | 103 | { USB_DEVICE(0x0489, 0xe042) }, |
d13431ca WJS |
104 | { USB_DEVICE(0x413c, 0x8197) }, |
105 | ||
98514036 | 106 | /* Foxconn - Hon Hai */ |
ee66401b | 107 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
98514036 | 108 | |
92c385f4 GP |
109 | /*Broadcom devices with vendor specific id */ |
110 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, | |
111 | ||
5e23b923 MH |
112 | { } /* Terminating entry */ |
113 | }; | |
114 | ||
115 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
116 | ||
117 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
118 | /* CSR BlueCore devices */ |
119 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
120 | ||
121 | /* Broadcom BCM2033 without firmware */ | |
122 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
123 | ||
be93112a BS |
124 | /* Atheros 3011 with sflash firmware */ |
125 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
6eda541d | 126 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 127 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 128 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
6b6ba88b | 129 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
acd94544 | 130 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
be93112a | 131 | |
509e7861 CYC |
132 | /* Atheros AR9285 Malbec with sflash firmware */ |
133 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
134 | ||
d9f51b51 | 135 | /* Atheros 3012 with sflash firmware */ |
d66629c1 | 136 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 137 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 138 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 139 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 140 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
9498ba7a | 141 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
3f63c340 | 142 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
55ed7d4d | 143 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
2c262b2a | 144 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
f4d6f7dc | 145 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
87522a43 | 146 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 147 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
6c4ae5c2 | 148 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
2096ae6c | 149 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
eed307e2 | 150 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
3a61eda8 | 151 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
2582d529 | 152 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
0fc110f4 | 153 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
4008b2c7 | 154 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
44c4127a | 155 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
df235047 | 156 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 157 | |
e9036e33 CYC |
158 | /* Atheros AR5BBU12 with sflash firmware */ |
159 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
160 | ||
85d59726 MG |
161 | /* Atheros AR5BBU12 with sflash firmware */ |
162 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, | |
bc21fde2 | 163 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 164 | |
cfeb4145 | 165 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
166 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
167 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
168 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
169 | |
170 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
171 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
172 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 173 | |
cfeb4145 | 174 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
175 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
176 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
177 | |
178 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 179 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
180 | |
181 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 182 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 183 | |
5ddd4a60 | 184 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 185 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 186 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 187 | |
7a9d4020 MH |
188 | /* Belkin F8T012 and F8T013 devices */ |
189 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
190 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 191 | |
5ddd4a60 MH |
192 | /* Asus WL-BTD202 device */ |
193 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
194 | ||
195 | /* Kensington Bluetooth USB adapter */ | |
196 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
197 | ||
cfeb4145 MH |
198 | /* RTX Telecom based adapters with buggy SCO support */ |
199 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
200 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
201 | ||
202 | /* CONWISE Technology based adapters with buggy SCO support */ | |
203 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
204 | ||
cfeb4145 MH |
205 | /* Digianswer devices */ |
206 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
207 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
208 | ||
209 | /* CSR BlueCore Bluetooth Sniffer */ | |
210 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
211 | ||
212 | /* Frontline ComProbe Bluetooth Sniffer */ | |
213 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
214 | ||
dffd30ee THJA |
215 | /* Intel Bluetooth device */ |
216 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
217 | ||
5e23b923 MH |
218 | { } /* Terminating entry */ |
219 | }; | |
220 | ||
9bfa35fe MH |
221 | #define BTUSB_MAX_ISOC_FRAMES 10 |
222 | ||
5e23b923 MH |
223 | #define BTUSB_INTR_RUNNING 0 |
224 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 225 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 226 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 227 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
228 | |
229 | struct btusb_data { | |
230 | struct hci_dev *hdev; | |
231 | struct usb_device *udev; | |
5fbcd260 | 232 | struct usb_interface *intf; |
9bfa35fe | 233 | struct usb_interface *isoc; |
5e23b923 MH |
234 | |
235 | spinlock_t lock; | |
236 | ||
237 | unsigned long flags; | |
238 | ||
239 | struct work_struct work; | |
7bee549e | 240 | struct work_struct waker; |
5e23b923 MH |
241 | |
242 | struct usb_anchor tx_anchor; | |
243 | struct usb_anchor intr_anchor; | |
244 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 245 | struct usb_anchor isoc_anchor; |
7bee549e ON |
246 | struct usb_anchor deferred; |
247 | int tx_in_flight; | |
248 | spinlock_t txlock; | |
5e23b923 MH |
249 | |
250 | struct usb_endpoint_descriptor *intr_ep; | |
251 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
252 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
253 | struct usb_endpoint_descriptor *isoc_tx_ep; |
254 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
255 | ||
7a9d4020 MH |
256 | __u8 cmdreq_type; |
257 | ||
43c2e57f | 258 | unsigned int sco_num; |
9bfa35fe | 259 | int isoc_altsetting; |
6a88adf2 | 260 | int suspend_count; |
5e23b923 MH |
261 | }; |
262 | ||
7bee549e ON |
263 | static int inc_tx(struct btusb_data *data) |
264 | { | |
265 | unsigned long flags; | |
266 | int rv; | |
267 | ||
268 | spin_lock_irqsave(&data->txlock, flags); | |
269 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
270 | if (!rv) | |
271 | data->tx_in_flight++; | |
272 | spin_unlock_irqrestore(&data->txlock, flags); | |
273 | ||
274 | return rv; | |
275 | } | |
276 | ||
5e23b923 MH |
277 | static void btusb_intr_complete(struct urb *urb) |
278 | { | |
279 | struct hci_dev *hdev = urb->context; | |
155961e8 | 280 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
281 | int err; |
282 | ||
283 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
284 | urb, urb->status, urb->actual_length); | |
285 | ||
286 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
287 | return; | |
288 | ||
289 | if (urb->status == 0) { | |
9bfa35fe MH |
290 | hdev->stat.byte_rx += urb->actual_length; |
291 | ||
5e23b923 MH |
292 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
293 | urb->transfer_buffer, | |
294 | urb->actual_length) < 0) { | |
295 | BT_ERR("%s corrupted event packet", hdev->name); | |
296 | hdev->stat.err_rx++; | |
297 | } | |
298 | } | |
299 | ||
300 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
301 | return; | |
302 | ||
7bee549e | 303 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
304 | usb_anchor_urb(urb, &data->intr_anchor); |
305 | ||
306 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
307 | if (err < 0) { | |
4935f1c1 PB |
308 | /* -EPERM: urb is being killed; |
309 | * -ENODEV: device got disconnected */ | |
310 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 311 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
312 | hdev->name, urb, -err); |
313 | usb_unanchor_urb(urb); | |
314 | } | |
315 | } | |
316 | ||
2eda66f4 | 317 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 318 | { |
155961e8 | 319 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
320 | struct urb *urb; |
321 | unsigned char *buf; | |
322 | unsigned int pipe; | |
323 | int err, size; | |
324 | ||
325 | BT_DBG("%s", hdev->name); | |
326 | ||
9bfa35fe MH |
327 | if (!data->intr_ep) |
328 | return -ENODEV; | |
329 | ||
2eda66f4 | 330 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
331 | if (!urb) |
332 | return -ENOMEM; | |
333 | ||
334 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
335 | ||
2eda66f4 | 336 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
337 | if (!buf) { |
338 | usb_free_urb(urb); | |
339 | return -ENOMEM; | |
340 | } | |
341 | ||
342 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
343 | ||
344 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
345 | btusb_intr_complete, hdev, | |
346 | data->intr_ep->bInterval); | |
347 | ||
348 | urb->transfer_flags |= URB_FREE_BUFFER; | |
349 | ||
350 | usb_anchor_urb(urb, &data->intr_anchor); | |
351 | ||
2eda66f4 | 352 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 353 | if (err < 0) { |
d4b8d1c9 PB |
354 | if (err != -EPERM && err != -ENODEV) |
355 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
356 | hdev->name, urb, -err); |
357 | usb_unanchor_urb(urb); | |
5e23b923 MH |
358 | } |
359 | ||
360 | usb_free_urb(urb); | |
361 | ||
362 | return err; | |
363 | } | |
364 | ||
365 | static void btusb_bulk_complete(struct urb *urb) | |
366 | { | |
367 | struct hci_dev *hdev = urb->context; | |
155961e8 | 368 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
369 | int err; |
370 | ||
371 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
372 | urb, urb->status, urb->actual_length); | |
373 | ||
374 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
375 | return; | |
376 | ||
377 | if (urb->status == 0) { | |
9bfa35fe MH |
378 | hdev->stat.byte_rx += urb->actual_length; |
379 | ||
5e23b923 MH |
380 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
381 | urb->transfer_buffer, | |
382 | urb->actual_length) < 0) { | |
383 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
384 | hdev->stat.err_rx++; | |
385 | } | |
386 | } | |
387 | ||
388 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
389 | return; | |
390 | ||
391 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 392 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
393 | |
394 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
395 | if (err < 0) { | |
4935f1c1 PB |
396 | /* -EPERM: urb is being killed; |
397 | * -ENODEV: device got disconnected */ | |
398 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 399 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
400 | hdev->name, urb, -err); |
401 | usb_unanchor_urb(urb); | |
402 | } | |
403 | } | |
404 | ||
2eda66f4 | 405 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 406 | { |
155961e8 | 407 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
408 | struct urb *urb; |
409 | unsigned char *buf; | |
410 | unsigned int pipe; | |
290ba200 | 411 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
412 | |
413 | BT_DBG("%s", hdev->name); | |
414 | ||
9bfa35fe MH |
415 | if (!data->bulk_rx_ep) |
416 | return -ENODEV; | |
417 | ||
2eda66f4 | 418 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
419 | if (!urb) |
420 | return -ENOMEM; | |
421 | ||
2eda66f4 | 422 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
423 | if (!buf) { |
424 | usb_free_urb(urb); | |
425 | return -ENOMEM; | |
426 | } | |
427 | ||
428 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
429 | ||
430 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
431 | buf, size, btusb_bulk_complete, hdev); | |
432 | ||
433 | urb->transfer_flags |= URB_FREE_BUFFER; | |
434 | ||
7bee549e | 435 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
436 | usb_anchor_urb(urb, &data->bulk_anchor); |
437 | ||
2eda66f4 | 438 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 439 | if (err < 0) { |
d4b8d1c9 PB |
440 | if (err != -EPERM && err != -ENODEV) |
441 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
442 | hdev->name, urb, -err); |
443 | usb_unanchor_urb(urb); | |
5e23b923 MH |
444 | } |
445 | ||
446 | usb_free_urb(urb); | |
447 | ||
448 | return err; | |
449 | } | |
450 | ||
9bfa35fe MH |
451 | static void btusb_isoc_complete(struct urb *urb) |
452 | { | |
453 | struct hci_dev *hdev = urb->context; | |
155961e8 | 454 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
455 | int i, err; |
456 | ||
457 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
458 | urb, urb->status, urb->actual_length); | |
459 | ||
460 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
461 | return; | |
462 | ||
463 | if (urb->status == 0) { | |
464 | for (i = 0; i < urb->number_of_packets; i++) { | |
465 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
466 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
467 | ||
468 | if (urb->iso_frame_desc[i].status) | |
469 | continue; | |
470 | ||
471 | hdev->stat.byte_rx += length; | |
472 | ||
473 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
474 | urb->transfer_buffer + offset, | |
475 | length) < 0) { | |
476 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
477 | hdev->stat.err_rx++; | |
478 | } | |
479 | } | |
480 | } | |
481 | ||
482 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
483 | return; | |
484 | ||
485 | usb_anchor_urb(urb, &data->isoc_anchor); | |
486 | ||
487 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
488 | if (err < 0) { | |
4935f1c1 PB |
489 | /* -EPERM: urb is being killed; |
490 | * -ENODEV: device got disconnected */ | |
491 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 492 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
493 | hdev->name, urb, -err); |
494 | usb_unanchor_urb(urb); | |
495 | } | |
496 | } | |
497 | ||
42b16b3f | 498 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
499 | { |
500 | int i, offset = 0; | |
501 | ||
502 | BT_DBG("len %d mtu %d", len, mtu); | |
503 | ||
504 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
505 | i++, offset += mtu, len -= mtu) { | |
506 | urb->iso_frame_desc[i].offset = offset; | |
507 | urb->iso_frame_desc[i].length = mtu; | |
508 | } | |
509 | ||
510 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
511 | urb->iso_frame_desc[i].offset = offset; | |
512 | urb->iso_frame_desc[i].length = len; | |
513 | i++; | |
514 | } | |
515 | ||
516 | urb->number_of_packets = i; | |
517 | } | |
518 | ||
2eda66f4 | 519 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 520 | { |
155961e8 | 521 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
522 | struct urb *urb; |
523 | unsigned char *buf; | |
524 | unsigned int pipe; | |
525 | int err, size; | |
526 | ||
527 | BT_DBG("%s", hdev->name); | |
528 | ||
529 | if (!data->isoc_rx_ep) | |
530 | return -ENODEV; | |
531 | ||
2eda66f4 | 532 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
533 | if (!urb) |
534 | return -ENOMEM; | |
535 | ||
536 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
537 | BTUSB_MAX_ISOC_FRAMES; | |
538 | ||
2eda66f4 | 539 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
540 | if (!buf) { |
541 | usb_free_urb(urb); | |
542 | return -ENOMEM; | |
543 | } | |
544 | ||
545 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
546 | ||
fa0fb93f BZ |
547 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
548 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
549 | |
550 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
551 | |
552 | __fill_isoc_descriptor(urb, size, | |
553 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
554 | ||
555 | usb_anchor_urb(urb, &data->isoc_anchor); | |
556 | ||
2eda66f4 | 557 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 558 | if (err < 0) { |
d4b8d1c9 PB |
559 | if (err != -EPERM && err != -ENODEV) |
560 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
561 | hdev->name, urb, -err); |
562 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
563 | } |
564 | ||
565 | usb_free_urb(urb); | |
566 | ||
567 | return err; | |
568 | } | |
569 | ||
5e23b923 | 570 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
571 | { |
572 | struct sk_buff *skb = urb->context; | |
573 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 574 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
575 | |
576 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
577 | urb, urb->status, urb->actual_length); | |
578 | ||
579 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
580 | goto done; | |
581 | ||
582 | if (!urb->status) | |
583 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
584 | else | |
585 | hdev->stat.err_tx++; | |
586 | ||
587 | done: | |
588 | spin_lock(&data->txlock); | |
589 | data->tx_in_flight--; | |
590 | spin_unlock(&data->txlock); | |
591 | ||
592 | kfree(urb->setup_packet); | |
593 | ||
594 | kfree_skb(skb); | |
595 | } | |
596 | ||
597 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
598 | { |
599 | struct sk_buff *skb = urb->context; | |
600 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
601 | ||
602 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
603 | urb, urb->status, urb->actual_length); | |
604 | ||
605 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
606 | goto done; | |
607 | ||
608 | if (!urb->status) | |
609 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
610 | else | |
611 | hdev->stat.err_tx++; | |
612 | ||
613 | done: | |
614 | kfree(urb->setup_packet); | |
615 | ||
616 | kfree_skb(skb); | |
617 | } | |
618 | ||
619 | static int btusb_open(struct hci_dev *hdev) | |
620 | { | |
155961e8 | 621 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
622 | int err; |
623 | ||
624 | BT_DBG("%s", hdev->name); | |
625 | ||
7bee549e ON |
626 | err = usb_autopm_get_interface(data->intf); |
627 | if (err < 0) | |
628 | return err; | |
629 | ||
630 | data->intf->needs_remote_wakeup = 1; | |
631 | ||
5e23b923 | 632 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 633 | goto done; |
5e23b923 MH |
634 | |
635 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 636 | goto done; |
5e23b923 | 637 | |
2eda66f4 | 638 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
639 | if (err < 0) |
640 | goto failed; | |
641 | ||
642 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 643 | if (err < 0) { |
43c2e57f MH |
644 | usb_kill_anchored_urbs(&data->intr_anchor); |
645 | goto failed; | |
5e23b923 MH |
646 | } |
647 | ||
43c2e57f MH |
648 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
649 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
650 | ||
7bee549e ON |
651 | done: |
652 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
653 | return 0; |
654 | ||
655 | failed: | |
656 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
657 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 658 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
659 | return err; |
660 | } | |
661 | ||
7bee549e ON |
662 | static void btusb_stop_traffic(struct btusb_data *data) |
663 | { | |
664 | usb_kill_anchored_urbs(&data->intr_anchor); | |
665 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
666 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
667 | } | |
668 | ||
5e23b923 MH |
669 | static int btusb_close(struct hci_dev *hdev) |
670 | { | |
155961e8 | 671 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 672 | int err; |
5e23b923 MH |
673 | |
674 | BT_DBG("%s", hdev->name); | |
675 | ||
676 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
677 | return 0; | |
678 | ||
e8c3c3d2 | 679 | cancel_work_sync(&data->work); |
404291ac | 680 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 681 | |
9bfa35fe | 682 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 683 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 684 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
685 | |
686 | btusb_stop_traffic(data); | |
687 | err = usb_autopm_get_interface(data->intf); | |
688 | if (err < 0) | |
7b8e2c1d | 689 | goto failed; |
7bee549e ON |
690 | |
691 | data->intf->needs_remote_wakeup = 0; | |
692 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 693 | |
7b8e2c1d ON |
694 | failed: |
695 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
696 | return 0; |
697 | } | |
698 | ||
699 | static int btusb_flush(struct hci_dev *hdev) | |
700 | { | |
155961e8 | 701 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
702 | |
703 | BT_DBG("%s", hdev->name); | |
704 | ||
705 | usb_kill_anchored_urbs(&data->tx_anchor); | |
706 | ||
707 | return 0; | |
708 | } | |
709 | ||
710 | static int btusb_send_frame(struct sk_buff *skb) | |
711 | { | |
712 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 713 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
714 | struct usb_ctrlrequest *dr; |
715 | struct urb *urb; | |
716 | unsigned int pipe; | |
717 | int err; | |
718 | ||
719 | BT_DBG("%s", hdev->name); | |
720 | ||
721 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
722 | return -EBUSY; | |
723 | ||
724 | switch (bt_cb(skb)->pkt_type) { | |
725 | case HCI_COMMAND_PKT: | |
726 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
727 | if (!urb) | |
728 | return -ENOMEM; | |
729 | ||
730 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
731 | if (!dr) { | |
732 | usb_free_urb(urb); | |
733 | return -ENOMEM; | |
734 | } | |
735 | ||
7a9d4020 | 736 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
737 | dr->bRequest = 0; |
738 | dr->wIndex = 0; | |
739 | dr->wValue = 0; | |
740 | dr->wLength = __cpu_to_le16(skb->len); | |
741 | ||
742 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
743 | ||
744 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
745 | skb->data, skb->len, btusb_tx_complete, skb); | |
746 | ||
747 | hdev->stat.cmd_tx++; | |
748 | break; | |
749 | ||
750 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 751 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
752 | return -ENODEV; |
753 | ||
5e23b923 MH |
754 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
755 | if (!urb) | |
756 | return -ENOMEM; | |
757 | ||
758 | pipe = usb_sndbulkpipe(data->udev, | |
759 | data->bulk_tx_ep->bEndpointAddress); | |
760 | ||
761 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
762 | skb->data, skb->len, btusb_tx_complete, skb); | |
763 | ||
764 | hdev->stat.acl_tx++; | |
765 | break; | |
766 | ||
767 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
768 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
769 | return -ENODEV; | |
770 | ||
771 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
772 | if (!urb) | |
773 | return -ENOMEM; | |
774 | ||
775 | pipe = usb_sndisocpipe(data->udev, | |
776 | data->isoc_tx_ep->bEndpointAddress); | |
777 | ||
03c2d0e8 GP |
778 | usb_fill_int_urb(urb, data->udev, pipe, |
779 | skb->data, skb->len, btusb_isoc_tx_complete, | |
780 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
781 | |
782 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
783 | |
784 | __fill_isoc_descriptor(urb, skb->len, | |
785 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
786 | ||
5e23b923 | 787 | hdev->stat.sco_tx++; |
7bee549e | 788 | goto skip_waking; |
5e23b923 MH |
789 | |
790 | default: | |
791 | return -EILSEQ; | |
792 | } | |
793 | ||
7bee549e ON |
794 | err = inc_tx(data); |
795 | if (err) { | |
796 | usb_anchor_urb(urb, &data->deferred); | |
797 | schedule_work(&data->waker); | |
798 | err = 0; | |
799 | goto done; | |
800 | } | |
801 | ||
802 | skip_waking: | |
5e23b923 MH |
803 | usb_anchor_urb(urb, &data->tx_anchor); |
804 | ||
805 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
806 | if (err < 0) { | |
5a9b80e2 PB |
807 | if (err != -EPERM && err != -ENODEV) |
808 | BT_ERR("%s urb %p submission failed (%d)", | |
809 | hdev->name, urb, -err); | |
5e23b923 MH |
810 | kfree(urb->setup_packet); |
811 | usb_unanchor_urb(urb); | |
7bee549e ON |
812 | } else { |
813 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
814 | } |
815 | ||
7bee549e | 816 | done: |
54a8a79c | 817 | usb_free_urb(urb); |
5e23b923 MH |
818 | return err; |
819 | } | |
820 | ||
5e23b923 MH |
821 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
822 | { | |
155961e8 | 823 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
824 | |
825 | BT_DBG("%s evt %d", hdev->name, evt); | |
826 | ||
43c2e57f MH |
827 | if (hdev->conn_hash.sco_num != data->sco_num) { |
828 | data->sco_num = hdev->conn_hash.sco_num; | |
829 | schedule_work(&data->work); | |
a780efa8 | 830 | } |
5e23b923 MH |
831 | } |
832 | ||
42b16b3f | 833 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 834 | { |
155961e8 | 835 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
836 | struct usb_interface *intf = data->isoc; |
837 | struct usb_endpoint_descriptor *ep_desc; | |
838 | int i, err; | |
839 | ||
840 | if (!data->isoc) | |
841 | return -ENODEV; | |
842 | ||
843 | err = usb_set_interface(data->udev, 1, altsetting); | |
844 | if (err < 0) { | |
845 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
846 | return err; | |
847 | } | |
848 | ||
849 | data->isoc_altsetting = altsetting; | |
850 | ||
851 | data->isoc_tx_ep = NULL; | |
852 | data->isoc_rx_ep = NULL; | |
853 | ||
854 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
855 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
856 | ||
857 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
858 | data->isoc_tx_ep = ep_desc; | |
859 | continue; | |
860 | } | |
861 | ||
862 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
863 | data->isoc_rx_ep = ep_desc; | |
864 | continue; | |
865 | } | |
866 | } | |
867 | ||
868 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
869 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
870 | return -ENODEV; | |
871 | } | |
872 | ||
873 | return 0; | |
874 | } | |
875 | ||
5e23b923 MH |
876 | static void btusb_work(struct work_struct *work) |
877 | { | |
878 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
879 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 880 | int new_alts; |
7bee549e | 881 | int err; |
5e23b923 | 882 | |
9bfa35fe | 883 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 884 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 885 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
886 | if (err < 0) { |
887 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
888 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
889 | return; | |
890 | } | |
891 | ||
08b8b6c4 | 892 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 893 | } |
f4001d28 MA |
894 | |
895 | if (hdev->voice_setting & 0x0020) { | |
896 | static const int alts[3] = { 2, 4, 5 }; | |
897 | new_alts = alts[hdev->conn_hash.sco_num - 1]; | |
898 | } else { | |
899 | new_alts = hdev->conn_hash.sco_num; | |
900 | } | |
901 | ||
902 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
903 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
904 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
905 | ||
f4001d28 | 906 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
907 | return; |
908 | } | |
909 | ||
910 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 911 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
912 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
913 | else | |
2eda66f4 | 914 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
915 | } |
916 | } else { | |
917 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
918 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
919 | ||
920 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 921 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 922 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
923 | } |
924 | } | |
925 | ||
7bee549e ON |
926 | static void btusb_waker(struct work_struct *work) |
927 | { | |
928 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
929 | int err; | |
930 | ||
931 | err = usb_autopm_get_interface(data->intf); | |
932 | if (err < 0) | |
933 | return; | |
934 | ||
935 | usb_autopm_put_interface(data->intf); | |
936 | } | |
937 | ||
9f8f962c MH |
938 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
939 | { | |
940 | struct sk_buff *skb; | |
941 | u8 val = 0x00; | |
942 | ||
943 | BT_DBG("%s", hdev->name); | |
944 | ||
945 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
946 | if (IS_ERR(skb)) | |
947 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
948 | else | |
949 | kfree_skb(skb); | |
950 | ||
951 | return 0; | |
952 | } | |
953 | ||
dffd30ee THJA |
954 | struct intel_version { |
955 | u8 status; | |
956 | u8 hw_platform; | |
957 | u8 hw_variant; | |
958 | u8 hw_revision; | |
959 | u8 fw_variant; | |
960 | u8 fw_revision; | |
961 | u8 fw_build_num; | |
962 | u8 fw_build_ww; | |
963 | u8 fw_build_yy; | |
964 | u8 fw_patch_num; | |
965 | } __packed; | |
966 | ||
967 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
968 | struct intel_version *ver) | |
969 | { | |
970 | const struct firmware *fw; | |
971 | char fwname[64]; | |
972 | int ret; | |
973 | ||
974 | snprintf(fwname, sizeof(fwname), | |
975 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
976 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
977 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
978 | ver->fw_build_ww, ver->fw_build_yy); | |
979 | ||
980 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
981 | if (ret < 0) { | |
982 | if (ret == -EINVAL) { | |
983 | BT_ERR("%s Intel firmware file request failed (%d)", | |
984 | hdev->name, ret); | |
985 | return NULL; | |
986 | } | |
987 | ||
988 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
989 | hdev->name, fwname, ret); | |
990 | ||
991 | /* If the correct firmware patch file is not found, use the | |
992 | * default firmware patch file instead | |
993 | */ | |
994 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
995 | ver->hw_platform, ver->hw_variant); | |
996 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
997 | BT_ERR("%s failed to open default Intel fw file: %s", | |
998 | hdev->name, fwname); | |
999 | return NULL; | |
1000 | } | |
1001 | } | |
1002 | ||
1003 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1004 | ||
1005 | return fw; | |
1006 | } | |
1007 | ||
1008 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1009 | const struct firmware *fw, | |
1010 | const u8 **fw_ptr, int *disable_patch) | |
1011 | { | |
1012 | struct sk_buff *skb; | |
1013 | struct hci_command_hdr *cmd; | |
1014 | const u8 *cmd_param; | |
1015 | struct hci_event_hdr *evt = NULL; | |
1016 | const u8 *evt_param = NULL; | |
1017 | int remain = fw->size - (*fw_ptr - fw->data); | |
1018 | ||
1019 | /* The first byte indicates the types of the patch command or event. | |
1020 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1021 | * in the current firmware buffer doesn't start with 0x01 or | |
1022 | * the size of remain buffer is smaller than HCI command header, | |
1023 | * the firmware file is corrupted and it should stop the patching | |
1024 | * process. | |
1025 | */ | |
1026 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1027 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1028 | return -EINVAL; | |
1029 | } | |
1030 | (*fw_ptr)++; | |
1031 | remain--; | |
1032 | ||
1033 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1034 | *fw_ptr += sizeof(*cmd); | |
1035 | remain -= sizeof(*cmd); | |
1036 | ||
1037 | /* Ensure that the remain firmware data is long enough than the length | |
1038 | * of command parameter. If not, the firmware file is corrupted. | |
1039 | */ | |
1040 | if (remain < cmd->plen) { | |
1041 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1042 | return -EFAULT; | |
1043 | } | |
1044 | ||
1045 | /* If there is a command that loads a patch in the firmware | |
1046 | * file, then enable the patch upon success, otherwise just | |
1047 | * disable the manufacturer mode, for example patch activation | |
1048 | * is not required when the default firmware patch file is used | |
1049 | * because there are no patch data to load. | |
1050 | */ | |
1051 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1052 | *disable_patch = 0; | |
1053 | ||
1054 | cmd_param = *fw_ptr; | |
1055 | *fw_ptr += cmd->plen; | |
1056 | remain -= cmd->plen; | |
1057 | ||
1058 | /* This reads the expected events when the above command is sent to the | |
1059 | * device. Some vendor commands expects more than one events, for | |
1060 | * example command status event followed by vendor specific event. | |
1061 | * For this case, it only keeps the last expected event. so the command | |
1062 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1063 | * last expected event. | |
1064 | */ | |
1065 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1066 | (*fw_ptr)++; | |
1067 | remain--; | |
1068 | ||
1069 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1070 | *fw_ptr += sizeof(*evt); | |
1071 | remain -= sizeof(*evt); | |
1072 | ||
1073 | if (remain < evt->plen) { | |
1074 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1075 | hdev->name); | |
1076 | return -EFAULT; | |
1077 | } | |
1078 | ||
1079 | evt_param = *fw_ptr; | |
1080 | *fw_ptr += evt->plen; | |
1081 | remain -= evt->plen; | |
1082 | } | |
1083 | ||
1084 | /* Every HCI commands in the firmware file has its correspond event. | |
1085 | * If event is not found or remain is smaller than zero, the firmware | |
1086 | * file is corrupted. | |
1087 | */ | |
1088 | if (!evt || !evt_param || remain < 0) { | |
1089 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1090 | return -EFAULT; | |
1091 | } | |
1092 | ||
1093 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1094 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1095 | if (IS_ERR(skb)) { | |
1096 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1097 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
1098 | return -PTR_ERR(skb); | |
1099 | } | |
1100 | ||
1101 | /* It ensures that the returned event matches the event data read from | |
1102 | * the firmware file. At fist, it checks the length and then | |
1103 | * the contents of the event. | |
1104 | */ | |
1105 | if (skb->len != evt->plen) { | |
1106 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1107 | le16_to_cpu(cmd->opcode)); | |
1108 | kfree_skb(skb); | |
1109 | return -EFAULT; | |
1110 | } | |
1111 | ||
1112 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1113 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1114 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1115 | kfree_skb(skb); | |
1116 | return -EFAULT; | |
1117 | } | |
1118 | kfree_skb(skb); | |
1119 | ||
1120 | return 0; | |
1121 | } | |
1122 | ||
1123 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1124 | { | |
1125 | struct sk_buff *skb; | |
1126 | const struct firmware *fw; | |
1127 | const u8 *fw_ptr; | |
1128 | int disable_patch; | |
1129 | struct intel_version *ver; | |
1130 | ||
1131 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1132 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1133 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1134 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1135 | ||
1136 | BT_DBG("%s", hdev->name); | |
1137 | ||
1138 | /* The controller has a bug with the first HCI command sent to it | |
1139 | * returning number of completed commands as zero. This would stall the | |
1140 | * command processing in the Bluetooth core. | |
1141 | * | |
1142 | * As a workaround, send HCI Reset command first which will reset the | |
1143 | * number of completed commands and allow normal command processing | |
1144 | * from now on. | |
1145 | */ | |
1146 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1147 | if (IS_ERR(skb)) { | |
1148 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1149 | hdev->name, PTR_ERR(skb)); | |
1150 | return -PTR_ERR(skb); | |
1151 | } | |
1152 | kfree_skb(skb); | |
1153 | ||
1154 | /* Read Intel specific controller version first to allow selection of | |
1155 | * which firmware file to load. | |
1156 | * | |
1157 | * The returned information are hardware variant and revision plus | |
1158 | * firmware variant, revision and build number. | |
1159 | */ | |
1160 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1161 | if (IS_ERR(skb)) { | |
1162 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1163 | hdev->name, PTR_ERR(skb)); | |
1164 | return -PTR_ERR(skb); | |
1165 | } | |
1166 | ||
1167 | if (skb->len != sizeof(*ver)) { | |
1168 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1169 | kfree_skb(skb); | |
1170 | return -EIO; | |
1171 | } | |
1172 | ||
1173 | ver = (struct intel_version *)skb->data; | |
1174 | if (ver->status) { | |
1175 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1176 | ver->status); | |
1177 | kfree_skb(skb); | |
1178 | return -bt_to_errno(ver->status); | |
1179 | } | |
1180 | ||
1181 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1182 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1183 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1184 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1185 | ver->fw_patch_num); | |
1186 | ||
1187 | /* fw_patch_num indicates the version of patch the device currently | |
1188 | * have. If there is no patch data in the device, it is always 0x00. | |
1189 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1190 | */ | |
1191 | if (ver->fw_patch_num) { | |
1192 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1193 | hdev->name, ver->fw_patch_num); | |
1194 | kfree_skb(skb); | |
1195 | return 0; | |
1196 | } | |
1197 | ||
1198 | /* Opens the firmware patch file based on the firmware version read | |
1199 | * from the controller. If it fails to open the matching firmware | |
1200 | * patch file, it tries to open the default firmware patch file. | |
1201 | * If no patch file is found, allow the device to operate without | |
1202 | * a patch. | |
1203 | */ | |
1204 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1205 | if (!fw) { | |
1206 | kfree_skb(skb); | |
1207 | return 0; | |
1208 | } | |
1209 | fw_ptr = fw->data; | |
1210 | ||
1211 | /* This Intel specific command enables the manufacturer mode of the | |
1212 | * controller. | |
1213 | * | |
1214 | * Only while this mode is enabled, the driver can download the | |
1215 | * firmware patch data and configuration parameters. | |
1216 | */ | |
1217 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1218 | if (IS_ERR(skb)) { | |
1219 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1220 | hdev->name, PTR_ERR(skb)); | |
1221 | release_firmware(fw); | |
1222 | return -PTR_ERR(skb); | |
1223 | } | |
1224 | ||
1225 | if (skb->data[0]) { | |
1226 | u8 evt_status = skb->data[0]; | |
1227 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", | |
1228 | hdev->name, evt_status); | |
1229 | kfree_skb(skb); | |
1230 | release_firmware(fw); | |
1231 | return -bt_to_errno(evt_status); | |
1232 | } | |
1233 | kfree_skb(skb); | |
1234 | ||
1235 | disable_patch = 1; | |
1236 | ||
1237 | /* The firmware data file consists of list of Intel specific HCI | |
1238 | * commands and its expected events. The first byte indicates the | |
1239 | * type of the message, either HCI command or HCI event. | |
1240 | * | |
1241 | * It reads the command and its expected event from the firmware file, | |
1242 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1243 | * the returned event is compared with the event read from the firmware | |
1244 | * file and it will continue until all the messages are downloaded to | |
1245 | * the controller. | |
1246 | * | |
1247 | * Once the firmware patching is completed successfully, | |
1248 | * the manufacturer mode is disabled with reset and activating the | |
1249 | * downloaded patch. | |
1250 | * | |
1251 | * If the firmware patching fails, the manufacturer mode is | |
1252 | * disabled with reset and deactivating the patch. | |
1253 | * | |
1254 | * If the default patch file is used, no reset is done when disabling | |
1255 | * the manufacturer. | |
1256 | */ | |
1257 | while (fw->size > fw_ptr - fw->data) { | |
1258 | int ret; | |
1259 | ||
1260 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1261 | &disable_patch); | |
1262 | if (ret < 0) | |
1263 | goto exit_mfg_deactivate; | |
1264 | } | |
1265 | ||
1266 | release_firmware(fw); | |
1267 | ||
1268 | if (disable_patch) | |
1269 | goto exit_mfg_disable; | |
1270 | ||
1271 | /* Patching completed successfully and disable the manufacturer mode | |
1272 | * with reset and activate the downloaded firmware patches. | |
1273 | */ | |
1274 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1275 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1276 | if (IS_ERR(skb)) { | |
1277 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1278 | hdev->name, PTR_ERR(skb)); | |
1279 | return -PTR_ERR(skb); | |
1280 | } | |
1281 | kfree_skb(skb); | |
1282 | ||
1283 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1284 | hdev->name); | |
1285 | ||
1286 | return 0; | |
1287 | ||
1288 | exit_mfg_disable: | |
1289 | /* Disable the manufacturer mode without reset */ | |
1290 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1291 | HCI_INIT_TIMEOUT); | |
1292 | if (IS_ERR(skb)) { | |
1293 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1294 | hdev->name, PTR_ERR(skb)); | |
1295 | return -PTR_ERR(skb); | |
1296 | } | |
1297 | kfree_skb(skb); | |
1298 | ||
1299 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
1300 | return 0; | |
1301 | ||
1302 | exit_mfg_deactivate: | |
1303 | release_firmware(fw); | |
1304 | ||
1305 | /* Patching failed. Disable the manufacturer mode with reset and | |
1306 | * deactivate the downloaded firmware patches. | |
1307 | */ | |
1308 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1309 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1310 | if (IS_ERR(skb)) { | |
1311 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1312 | hdev->name, PTR_ERR(skb)); | |
1313 | return -PTR_ERR(skb); | |
1314 | } | |
1315 | kfree_skb(skb); | |
1316 | ||
1317 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1318 | hdev->name); | |
1319 | ||
1320 | return 0; | |
1321 | } | |
1322 | ||
5e23b923 MH |
1323 | static int btusb_probe(struct usb_interface *intf, |
1324 | const struct usb_device_id *id) | |
1325 | { | |
1326 | struct usb_endpoint_descriptor *ep_desc; | |
1327 | struct btusb_data *data; | |
1328 | struct hci_dev *hdev; | |
1329 | int i, err; | |
1330 | ||
1331 | BT_DBG("intf %p id %p", intf, id); | |
1332 | ||
cfeb4145 | 1333 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1334 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1335 | return -ENODEV; | |
1336 | ||
1337 | if (!id->driver_info) { | |
1338 | const struct usb_device_id *match; | |
1339 | match = usb_match_id(intf, blacklist_table); | |
1340 | if (match) | |
1341 | id = match; | |
1342 | } | |
1343 | ||
cfeb4145 MH |
1344 | if (id->driver_info == BTUSB_IGNORE) |
1345 | return -ENODEV; | |
1346 | ||
1347 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
1348 | return -ENODEV; | |
1349 | ||
1350 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
1351 | return -ENODEV; | |
1352 | ||
1353 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
1354 | return -ENODEV; | |
1355 | ||
2d25f8b4 SL |
1356 | if (id->driver_info & BTUSB_ATH3012) { |
1357 | struct usb_device *udev = interface_to_usbdev(intf); | |
1358 | ||
1359 | /* Old firmware would otherwise let ath3k driver load | |
1360 | * patch and sysconfig files */ | |
1361 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
1362 | return -ENODEV; | |
1363 | } | |
1364 | ||
98921dbd | 1365 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
1366 | if (!data) |
1367 | return -ENOMEM; | |
1368 | ||
1369 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1370 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1371 | ||
1372 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1373 | data->intr_ep = ep_desc; | |
1374 | continue; | |
1375 | } | |
1376 | ||
1377 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1378 | data->bulk_tx_ep = ep_desc; | |
1379 | continue; | |
1380 | } | |
1381 | ||
1382 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1383 | data->bulk_rx_ep = ep_desc; | |
1384 | continue; | |
1385 | } | |
1386 | } | |
1387 | ||
98921dbd | 1388 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 1389 | return -ENODEV; |
5e23b923 | 1390 | |
7a9d4020 MH |
1391 | data->cmdreq_type = USB_TYPE_CLASS; |
1392 | ||
5e23b923 | 1393 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 1394 | data->intf = intf; |
5e23b923 MH |
1395 | |
1396 | spin_lock_init(&data->lock); | |
1397 | ||
1398 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
1399 | INIT_WORK(&data->waker, btusb_waker); |
1400 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
1401 | |
1402 | init_usb_anchor(&data->tx_anchor); | |
1403 | init_usb_anchor(&data->intr_anchor); | |
1404 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1405 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1406 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1407 | |
1408 | hdev = hci_alloc_dev(); | |
98921dbd | 1409 | if (!hdev) |
5e23b923 | 1410 | return -ENOMEM; |
5e23b923 | 1411 | |
c13854ce | 1412 | hdev->bus = HCI_USB; |
155961e8 | 1413 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1414 | |
1415 | data->hdev = hdev; | |
1416 | ||
1417 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1418 | ||
9f8f962c MH |
1419 | hdev->open = btusb_open; |
1420 | hdev->close = btusb_close; | |
1421 | hdev->flush = btusb_flush; | |
1422 | hdev->send = btusb_send_frame; | |
1423 | hdev->notify = btusb_notify; | |
1424 | ||
1425 | if (id->driver_info & BTUSB_BCM92035) | |
1426 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 1427 | |
dffd30ee THJA |
1428 | if (id->driver_info & BTUSB_INTEL) |
1429 | hdev->setup = btusb_setup_intel; | |
1430 | ||
7a9d4020 | 1431 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1432 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1433 | ||
7a9d4020 | 1434 | if (!reset) |
a6c511c6 | 1435 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1436 | |
1437 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1438 | if (!disable_scofix) | |
1439 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1440 | } | |
1441 | ||
9bfa35fe MH |
1442 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1443 | data->isoc = NULL; | |
1444 | ||
7a9d4020 MH |
1445 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1446 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1447 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1448 | } |
1449 | ||
1450 | if (id->driver_info & BTUSB_CSR) { | |
1451 | struct usb_device *udev = data->udev; | |
1452 | ||
1453 | /* Old firmware would otherwise execute USB reset */ | |
1454 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
a6c511c6 | 1455 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1456 | } |
1457 | ||
cfeb4145 | 1458 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1459 | struct usb_device *udev = data->udev; |
cfeb4145 | 1460 | |
7a9d4020 | 1461 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1462 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1463 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1464 | |
1465 | data->isoc = NULL; | |
cfeb4145 MH |
1466 | } |
1467 | ||
9bfa35fe MH |
1468 | if (data->isoc) { |
1469 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1470 | data->isoc, data); |
9bfa35fe MH |
1471 | if (err < 0) { |
1472 | hci_free_dev(hdev); | |
9bfa35fe MH |
1473 | return err; |
1474 | } | |
1475 | } | |
1476 | ||
5e23b923 MH |
1477 | err = hci_register_dev(hdev); |
1478 | if (err < 0) { | |
1479 | hci_free_dev(hdev); | |
5e23b923 MH |
1480 | return err; |
1481 | } | |
1482 | ||
1483 | usb_set_intfdata(intf, data); | |
1484 | ||
1485 | return 0; | |
1486 | } | |
1487 | ||
1488 | static void btusb_disconnect(struct usb_interface *intf) | |
1489 | { | |
1490 | struct btusb_data *data = usb_get_intfdata(intf); | |
1491 | struct hci_dev *hdev; | |
1492 | ||
1493 | BT_DBG("intf %p", intf); | |
1494 | ||
1495 | if (!data) | |
1496 | return; | |
1497 | ||
1498 | hdev = data->hdev; | |
5fbcd260 MH |
1499 | usb_set_intfdata(data->intf, NULL); |
1500 | ||
1501 | if (data->isoc) | |
1502 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1503 | |
1504 | hci_unregister_dev(hdev); | |
1505 | ||
5fbcd260 MH |
1506 | if (intf == data->isoc) |
1507 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1508 | else if (data->isoc) | |
1509 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1510 | ||
5e23b923 MH |
1511 | hci_free_dev(hdev); |
1512 | } | |
1513 | ||
7bee549e | 1514 | #ifdef CONFIG_PM |
6a88adf2 MH |
1515 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1516 | { | |
1517 | struct btusb_data *data = usb_get_intfdata(intf); | |
1518 | ||
1519 | BT_DBG("intf %p", intf); | |
1520 | ||
1521 | if (data->suspend_count++) | |
1522 | return 0; | |
1523 | ||
7bee549e | 1524 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1525 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1526 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1527 | spin_unlock_irq(&data->txlock); | |
1528 | } else { | |
1529 | spin_unlock_irq(&data->txlock); | |
1530 | data->suspend_count--; | |
1531 | return -EBUSY; | |
1532 | } | |
1533 | ||
6a88adf2 MH |
1534 | cancel_work_sync(&data->work); |
1535 | ||
7bee549e | 1536 | btusb_stop_traffic(data); |
6a88adf2 MH |
1537 | usb_kill_anchored_urbs(&data->tx_anchor); |
1538 | ||
6a88adf2 MH |
1539 | return 0; |
1540 | } | |
1541 | ||
7bee549e ON |
1542 | static void play_deferred(struct btusb_data *data) |
1543 | { | |
1544 | struct urb *urb; | |
1545 | int err; | |
1546 | ||
1547 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1548 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1549 | if (err < 0) | |
1550 | break; | |
1551 | ||
1552 | data->tx_in_flight++; | |
1553 | } | |
1554 | usb_scuttle_anchored_urbs(&data->deferred); | |
1555 | } | |
1556 | ||
6a88adf2 MH |
1557 | static int btusb_resume(struct usb_interface *intf) |
1558 | { | |
1559 | struct btusb_data *data = usb_get_intfdata(intf); | |
1560 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1561 | int err = 0; |
6a88adf2 MH |
1562 | |
1563 | BT_DBG("intf %p", intf); | |
1564 | ||
1565 | if (--data->suspend_count) | |
1566 | return 0; | |
1567 | ||
1568 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1569 | goto done; |
6a88adf2 MH |
1570 | |
1571 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1572 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1573 | if (err < 0) { | |
1574 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1575 | goto failed; |
6a88adf2 MH |
1576 | } |
1577 | } | |
1578 | ||
1579 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1580 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1581 | if (err < 0) { | |
6a88adf2 | 1582 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1583 | goto failed; |
1584 | } | |
1585 | ||
1586 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1587 | } |
1588 | ||
1589 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1590 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1591 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1592 | else | |
1593 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1594 | } | |
1595 | ||
7bee549e ON |
1596 | spin_lock_irq(&data->txlock); |
1597 | play_deferred(data); | |
1598 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1599 | spin_unlock_irq(&data->txlock); | |
1600 | schedule_work(&data->work); | |
1601 | ||
6a88adf2 | 1602 | return 0; |
7bee549e ON |
1603 | |
1604 | failed: | |
1605 | usb_scuttle_anchored_urbs(&data->deferred); | |
1606 | done: | |
1607 | spin_lock_irq(&data->txlock); | |
1608 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1609 | spin_unlock_irq(&data->txlock); | |
1610 | ||
1611 | return err; | |
6a88adf2 | 1612 | } |
7bee549e | 1613 | #endif |
6a88adf2 | 1614 | |
5e23b923 MH |
1615 | static struct usb_driver btusb_driver = { |
1616 | .name = "btusb", | |
1617 | .probe = btusb_probe, | |
1618 | .disconnect = btusb_disconnect, | |
7bee549e | 1619 | #ifdef CONFIG_PM |
6a88adf2 MH |
1620 | .suspend = btusb_suspend, |
1621 | .resume = btusb_resume, | |
7bee549e | 1622 | #endif |
5e23b923 | 1623 | .id_table = btusb_table, |
7bee549e | 1624 | .supports_autosuspend = 1, |
e1f12eb6 | 1625 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1626 | }; |
1627 | ||
93f1508c | 1628 | module_usb_driver(btusb_driver); |
5e23b923 | 1629 | |
cfeb4145 MH |
1630 | module_param(ignore_dga, bool, 0644); |
1631 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1632 | ||
1633 | module_param(ignore_csr, bool, 0644); | |
1634 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1635 | ||
1636 | module_param(ignore_sniffer, bool, 0644); | |
1637 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1638 | ||
1639 | module_param(disable_scofix, bool, 0644); | |
1640 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1641 | ||
1642 | module_param(force_scofix, bool, 0644); | |
1643 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1644 | ||
1645 | module_param(reset, bool, 0644); | |
1646 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1647 | ||
5e23b923 MH |
1648 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1649 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1650 | MODULE_VERSION(VERSION); | |
1651 | MODULE_LICENSE("GPL"); |