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 | ||
178c059e CYC |
60 | /* MediaTek MT76x0E */ |
61 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
62 | ||
c510eae3 | 63 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 64 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 65 | |
3cd01976 NI |
66 | /* Apple MacBookPro 7,1 */ |
67 | { USB_DEVICE(0x05ac, 0x8213) }, | |
68 | ||
0a79f674 CL |
69 | /* Apple iMac11,1 */ |
70 | { USB_DEVICE(0x05ac, 0x8215) }, | |
71 | ||
9c047157 NI |
72 | /* Apple MacBookPro6,2 */ |
73 | { USB_DEVICE(0x05ac, 0x8218) }, | |
74 | ||
3e3ede7d EH |
75 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
76 | { USB_DEVICE(0x05ac, 0x821b) }, | |
77 | ||
a63b723d PAVM |
78 | /* Apple MacBookAir4,1 */ |
79 | { USB_DEVICE(0x05ac, 0x821f) }, | |
80 | ||
88d377b6 MAP |
81 | /* Apple MacBookPro8,2 */ |
82 | { USB_DEVICE(0x05ac, 0x821a) }, | |
83 | ||
f78b6826 JK |
84 | /* Apple MacMini5,1 */ |
85 | { USB_DEVICE(0x05ac, 0x8281) }, | |
86 | ||
cfeb4145 MH |
87 | /* AVM BlueFRITZ! USB v2.0 */ |
88 | { USB_DEVICE(0x057c, 0x3800) }, | |
89 | ||
90 | /* Bluetooth Ultraport Module from IBM */ | |
91 | { USB_DEVICE(0x04bf, 0x030a) }, | |
92 | ||
93 | /* ALPS Modules with non-standard id */ | |
94 | { USB_DEVICE(0x044e, 0x3001) }, | |
95 | { USB_DEVICE(0x044e, 0x3002) }, | |
96 | ||
97 | /* Ericsson with non-standard id */ | |
98 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
99 | ||
100 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 101 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 102 | |
d13431ca | 103 | /* Broadcom BCM20702A0 */ |
1ee3ff61 | 104 | { USB_DEVICE(0x0b05, 0x17b5) }, |
38a172be | 105 | { USB_DEVICE(0x0b05, 0x17cb) }, |
0c1abbd1 | 106 | { USB_DEVICE(0x04ca, 0x2003) }, |
79cd7602 | 107 | { USB_DEVICE(0x0489, 0xe042) }, |
d13431ca WJS |
108 | { USB_DEVICE(0x413c, 0x8197) }, |
109 | ||
98514036 | 110 | /* Foxconn - Hon Hai */ |
ee66401b | 111 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
98514036 | 112 | |
92c385f4 GP |
113 | /*Broadcom devices with vendor specific id */ |
114 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, | |
115 | ||
5bcecf32 KB |
116 | /* Belkin F8065bf - Broadcom based */ |
117 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, | |
118 | ||
5e23b923 MH |
119 | { } /* Terminating entry */ |
120 | }; | |
121 | ||
122 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
123 | ||
124 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
125 | /* CSR BlueCore devices */ |
126 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
127 | ||
128 | /* Broadcom BCM2033 without firmware */ | |
129 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
130 | ||
be93112a BS |
131 | /* Atheros 3011 with sflash firmware */ |
132 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
6eda541d | 133 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 134 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 135 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
6b6ba88b | 136 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
acd94544 | 137 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
be93112a | 138 | |
509e7861 CYC |
139 | /* Atheros AR9285 Malbec with sflash firmware */ |
140 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
141 | ||
d9f51b51 | 142 | /* Atheros 3012 with sflash firmware */ |
d66629c1 | 143 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 144 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 145 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 146 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 147 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
9498ba7a | 148 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
3f63c340 | 149 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
55ed7d4d | 150 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
2c262b2a | 151 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
f4d6f7dc | 152 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
87522a43 | 153 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 154 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 155 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
6c4ae5c2 | 156 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
2096ae6c | 157 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
eed307e2 | 158 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
3a61eda8 | 159 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
2582d529 | 160 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
0fc110f4 | 161 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
84eb2ae1 | 162 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 163 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
1ebd0b21 | 164 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
1d5b569e | 165 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 166 | |
e9036e33 CYC |
167 | /* Atheros AR5BBU12 with sflash firmware */ |
168 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
169 | ||
85d59726 MG |
170 | /* Atheros AR5BBU12 with sflash firmware */ |
171 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, | |
bc21fde2 | 172 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 173 | |
cfeb4145 | 174 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
175 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
176 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
177 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
178 | |
179 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
180 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
181 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 182 | |
cfeb4145 | 183 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
184 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
185 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
186 | |
187 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 188 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
189 | |
190 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 191 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 192 | |
5ddd4a60 | 193 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 194 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 195 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 196 | |
7a9d4020 MH |
197 | /* Belkin F8T012 and F8T013 devices */ |
198 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
199 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 200 | |
5ddd4a60 MH |
201 | /* Asus WL-BTD202 device */ |
202 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
203 | ||
204 | /* Kensington Bluetooth USB adapter */ | |
205 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
206 | ||
cfeb4145 MH |
207 | /* RTX Telecom based adapters with buggy SCO support */ |
208 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
209 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
210 | ||
211 | /* CONWISE Technology based adapters with buggy SCO support */ | |
212 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
213 | ||
cfeb4145 MH |
214 | /* Digianswer devices */ |
215 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
216 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
217 | ||
218 | /* CSR BlueCore Bluetooth Sniffer */ | |
219 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
220 | ||
221 | /* Frontline ComProbe Bluetooth Sniffer */ | |
222 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
223 | ||
dffd30ee THJA |
224 | /* Intel Bluetooth device */ |
225 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
226 | ||
5e23b923 MH |
227 | { } /* Terminating entry */ |
228 | }; | |
229 | ||
9bfa35fe MH |
230 | #define BTUSB_MAX_ISOC_FRAMES 10 |
231 | ||
5e23b923 MH |
232 | #define BTUSB_INTR_RUNNING 0 |
233 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 234 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 235 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 236 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
237 | |
238 | struct btusb_data { | |
239 | struct hci_dev *hdev; | |
240 | struct usb_device *udev; | |
5fbcd260 | 241 | struct usb_interface *intf; |
9bfa35fe | 242 | struct usb_interface *isoc; |
5e23b923 MH |
243 | |
244 | spinlock_t lock; | |
245 | ||
246 | unsigned long flags; | |
247 | ||
248 | struct work_struct work; | |
7bee549e | 249 | struct work_struct waker; |
5e23b923 MH |
250 | |
251 | struct usb_anchor tx_anchor; | |
252 | struct usb_anchor intr_anchor; | |
253 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 254 | struct usb_anchor isoc_anchor; |
7bee549e ON |
255 | struct usb_anchor deferred; |
256 | int tx_in_flight; | |
257 | spinlock_t txlock; | |
5e23b923 MH |
258 | |
259 | struct usb_endpoint_descriptor *intr_ep; | |
260 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
261 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
262 | struct usb_endpoint_descriptor *isoc_tx_ep; |
263 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
264 | ||
7a9d4020 MH |
265 | __u8 cmdreq_type; |
266 | ||
43c2e57f | 267 | unsigned int sco_num; |
9bfa35fe | 268 | int isoc_altsetting; |
6a88adf2 | 269 | int suspend_count; |
5e23b923 MH |
270 | }; |
271 | ||
7bee549e ON |
272 | static int inc_tx(struct btusb_data *data) |
273 | { | |
274 | unsigned long flags; | |
275 | int rv; | |
276 | ||
277 | spin_lock_irqsave(&data->txlock, flags); | |
278 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
279 | if (!rv) | |
280 | data->tx_in_flight++; | |
281 | spin_unlock_irqrestore(&data->txlock, flags); | |
282 | ||
283 | return rv; | |
284 | } | |
285 | ||
5e23b923 MH |
286 | static void btusb_intr_complete(struct urb *urb) |
287 | { | |
288 | struct hci_dev *hdev = urb->context; | |
155961e8 | 289 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
290 | int err; |
291 | ||
292 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
293 | urb, urb->status, urb->actual_length); | |
294 | ||
295 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
296 | return; | |
297 | ||
298 | if (urb->status == 0) { | |
9bfa35fe MH |
299 | hdev->stat.byte_rx += urb->actual_length; |
300 | ||
5e23b923 MH |
301 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
302 | urb->transfer_buffer, | |
303 | urb->actual_length) < 0) { | |
304 | BT_ERR("%s corrupted event packet", hdev->name); | |
305 | hdev->stat.err_rx++; | |
306 | } | |
307 | } | |
308 | ||
309 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
310 | return; | |
311 | ||
7bee549e | 312 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
313 | usb_anchor_urb(urb, &data->intr_anchor); |
314 | ||
315 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
316 | if (err < 0) { | |
4935f1c1 PB |
317 | /* -EPERM: urb is being killed; |
318 | * -ENODEV: device got disconnected */ | |
319 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 320 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
321 | hdev->name, urb, -err); |
322 | usb_unanchor_urb(urb); | |
323 | } | |
324 | } | |
325 | ||
2eda66f4 | 326 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 327 | { |
155961e8 | 328 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
329 | struct urb *urb; |
330 | unsigned char *buf; | |
331 | unsigned int pipe; | |
332 | int err, size; | |
333 | ||
334 | BT_DBG("%s", hdev->name); | |
335 | ||
9bfa35fe MH |
336 | if (!data->intr_ep) |
337 | return -ENODEV; | |
338 | ||
2eda66f4 | 339 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
340 | if (!urb) |
341 | return -ENOMEM; | |
342 | ||
343 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
344 | ||
2eda66f4 | 345 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
346 | if (!buf) { |
347 | usb_free_urb(urb); | |
348 | return -ENOMEM; | |
349 | } | |
350 | ||
351 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
352 | ||
353 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
354 | btusb_intr_complete, hdev, | |
355 | data->intr_ep->bInterval); | |
356 | ||
357 | urb->transfer_flags |= URB_FREE_BUFFER; | |
358 | ||
359 | usb_anchor_urb(urb, &data->intr_anchor); | |
360 | ||
2eda66f4 | 361 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 362 | if (err < 0) { |
d4b8d1c9 PB |
363 | if (err != -EPERM && err != -ENODEV) |
364 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
365 | hdev->name, urb, -err); |
366 | usb_unanchor_urb(urb); | |
5e23b923 MH |
367 | } |
368 | ||
369 | usb_free_urb(urb); | |
370 | ||
371 | return err; | |
372 | } | |
373 | ||
374 | static void btusb_bulk_complete(struct urb *urb) | |
375 | { | |
376 | struct hci_dev *hdev = urb->context; | |
155961e8 | 377 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
378 | int err; |
379 | ||
380 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
381 | urb, urb->status, urb->actual_length); | |
382 | ||
383 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
384 | return; | |
385 | ||
386 | if (urb->status == 0) { | |
9bfa35fe MH |
387 | hdev->stat.byte_rx += urb->actual_length; |
388 | ||
5e23b923 MH |
389 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
390 | urb->transfer_buffer, | |
391 | urb->actual_length) < 0) { | |
392 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
393 | hdev->stat.err_rx++; | |
394 | } | |
395 | } | |
396 | ||
397 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
398 | return; | |
399 | ||
400 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 401 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
402 | |
403 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
404 | if (err < 0) { | |
4935f1c1 PB |
405 | /* -EPERM: urb is being killed; |
406 | * -ENODEV: device got disconnected */ | |
407 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 408 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
409 | hdev->name, urb, -err); |
410 | usb_unanchor_urb(urb); | |
411 | } | |
412 | } | |
413 | ||
2eda66f4 | 414 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 415 | { |
155961e8 | 416 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
417 | struct urb *urb; |
418 | unsigned char *buf; | |
419 | unsigned int pipe; | |
290ba200 | 420 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
421 | |
422 | BT_DBG("%s", hdev->name); | |
423 | ||
9bfa35fe MH |
424 | if (!data->bulk_rx_ep) |
425 | return -ENODEV; | |
426 | ||
2eda66f4 | 427 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
428 | if (!urb) |
429 | return -ENOMEM; | |
430 | ||
2eda66f4 | 431 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
432 | if (!buf) { |
433 | usb_free_urb(urb); | |
434 | return -ENOMEM; | |
435 | } | |
436 | ||
437 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
438 | ||
439 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
440 | buf, size, btusb_bulk_complete, hdev); | |
441 | ||
442 | urb->transfer_flags |= URB_FREE_BUFFER; | |
443 | ||
7bee549e | 444 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
445 | usb_anchor_urb(urb, &data->bulk_anchor); |
446 | ||
2eda66f4 | 447 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 448 | if (err < 0) { |
d4b8d1c9 PB |
449 | if (err != -EPERM && err != -ENODEV) |
450 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
451 | hdev->name, urb, -err); |
452 | usb_unanchor_urb(urb); | |
5e23b923 MH |
453 | } |
454 | ||
455 | usb_free_urb(urb); | |
456 | ||
457 | return err; | |
458 | } | |
459 | ||
9bfa35fe MH |
460 | static void btusb_isoc_complete(struct urb *urb) |
461 | { | |
462 | struct hci_dev *hdev = urb->context; | |
155961e8 | 463 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
464 | int i, err; |
465 | ||
466 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
467 | urb, urb->status, urb->actual_length); | |
468 | ||
469 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
470 | return; | |
471 | ||
472 | if (urb->status == 0) { | |
473 | for (i = 0; i < urb->number_of_packets; i++) { | |
474 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
475 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
476 | ||
477 | if (urb->iso_frame_desc[i].status) | |
478 | continue; | |
479 | ||
480 | hdev->stat.byte_rx += length; | |
481 | ||
482 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
483 | urb->transfer_buffer + offset, | |
484 | length) < 0) { | |
485 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
486 | hdev->stat.err_rx++; | |
487 | } | |
488 | } | |
489 | } | |
490 | ||
491 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
492 | return; | |
493 | ||
494 | usb_anchor_urb(urb, &data->isoc_anchor); | |
495 | ||
496 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
497 | if (err < 0) { | |
4935f1c1 PB |
498 | /* -EPERM: urb is being killed; |
499 | * -ENODEV: device got disconnected */ | |
500 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 501 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
502 | hdev->name, urb, -err); |
503 | usb_unanchor_urb(urb); | |
504 | } | |
505 | } | |
506 | ||
42b16b3f | 507 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
508 | { |
509 | int i, offset = 0; | |
510 | ||
511 | BT_DBG("len %d mtu %d", len, mtu); | |
512 | ||
513 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
514 | i++, offset += mtu, len -= mtu) { | |
515 | urb->iso_frame_desc[i].offset = offset; | |
516 | urb->iso_frame_desc[i].length = mtu; | |
517 | } | |
518 | ||
519 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
520 | urb->iso_frame_desc[i].offset = offset; | |
521 | urb->iso_frame_desc[i].length = len; | |
522 | i++; | |
523 | } | |
524 | ||
525 | urb->number_of_packets = i; | |
526 | } | |
527 | ||
2eda66f4 | 528 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 529 | { |
155961e8 | 530 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
531 | struct urb *urb; |
532 | unsigned char *buf; | |
533 | unsigned int pipe; | |
534 | int err, size; | |
535 | ||
536 | BT_DBG("%s", hdev->name); | |
537 | ||
538 | if (!data->isoc_rx_ep) | |
539 | return -ENODEV; | |
540 | ||
2eda66f4 | 541 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
542 | if (!urb) |
543 | return -ENOMEM; | |
544 | ||
545 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
546 | BTUSB_MAX_ISOC_FRAMES; | |
547 | ||
2eda66f4 | 548 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
549 | if (!buf) { |
550 | usb_free_urb(urb); | |
551 | return -ENOMEM; | |
552 | } | |
553 | ||
554 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
555 | ||
fa0fb93f BZ |
556 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
557 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
558 | |
559 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
560 | |
561 | __fill_isoc_descriptor(urb, size, | |
562 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
563 | ||
564 | usb_anchor_urb(urb, &data->isoc_anchor); | |
565 | ||
2eda66f4 | 566 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 567 | if (err < 0) { |
d4b8d1c9 PB |
568 | if (err != -EPERM && err != -ENODEV) |
569 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
570 | hdev->name, urb, -err); |
571 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
572 | } |
573 | ||
574 | usb_free_urb(urb); | |
575 | ||
576 | return err; | |
577 | } | |
578 | ||
5e23b923 | 579 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
580 | { |
581 | struct sk_buff *skb = urb->context; | |
582 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 583 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
584 | |
585 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
586 | urb, urb->status, urb->actual_length); | |
587 | ||
588 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
589 | goto done; | |
590 | ||
591 | if (!urb->status) | |
592 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
593 | else | |
594 | hdev->stat.err_tx++; | |
595 | ||
596 | done: | |
597 | spin_lock(&data->txlock); | |
598 | data->tx_in_flight--; | |
599 | spin_unlock(&data->txlock); | |
600 | ||
601 | kfree(urb->setup_packet); | |
602 | ||
603 | kfree_skb(skb); | |
604 | } | |
605 | ||
606 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
607 | { |
608 | struct sk_buff *skb = urb->context; | |
609 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
610 | ||
611 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
612 | urb, urb->status, urb->actual_length); | |
613 | ||
614 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
615 | goto done; | |
616 | ||
617 | if (!urb->status) | |
618 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
619 | else | |
620 | hdev->stat.err_tx++; | |
621 | ||
622 | done: | |
623 | kfree(urb->setup_packet); | |
624 | ||
625 | kfree_skb(skb); | |
626 | } | |
627 | ||
628 | static int btusb_open(struct hci_dev *hdev) | |
629 | { | |
155961e8 | 630 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
631 | int err; |
632 | ||
633 | BT_DBG("%s", hdev->name); | |
634 | ||
7bee549e ON |
635 | err = usb_autopm_get_interface(data->intf); |
636 | if (err < 0) | |
637 | return err; | |
638 | ||
639 | data->intf->needs_remote_wakeup = 1; | |
640 | ||
5e23b923 | 641 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 642 | goto done; |
5e23b923 MH |
643 | |
644 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 645 | goto done; |
5e23b923 | 646 | |
2eda66f4 | 647 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
648 | if (err < 0) |
649 | goto failed; | |
650 | ||
651 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 652 | if (err < 0) { |
43c2e57f MH |
653 | usb_kill_anchored_urbs(&data->intr_anchor); |
654 | goto failed; | |
5e23b923 MH |
655 | } |
656 | ||
43c2e57f MH |
657 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
658 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
659 | ||
7bee549e ON |
660 | done: |
661 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
662 | return 0; |
663 | ||
664 | failed: | |
665 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
666 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 667 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
668 | return err; |
669 | } | |
670 | ||
7bee549e ON |
671 | static void btusb_stop_traffic(struct btusb_data *data) |
672 | { | |
673 | usb_kill_anchored_urbs(&data->intr_anchor); | |
674 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
675 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
676 | } | |
677 | ||
5e23b923 MH |
678 | static int btusb_close(struct hci_dev *hdev) |
679 | { | |
155961e8 | 680 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 681 | int err; |
5e23b923 MH |
682 | |
683 | BT_DBG("%s", hdev->name); | |
684 | ||
685 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
686 | return 0; | |
687 | ||
e8c3c3d2 | 688 | cancel_work_sync(&data->work); |
404291ac | 689 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 690 | |
9bfa35fe | 691 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 692 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 693 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
694 | |
695 | btusb_stop_traffic(data); | |
696 | err = usb_autopm_get_interface(data->intf); | |
697 | if (err < 0) | |
7b8e2c1d | 698 | goto failed; |
7bee549e ON |
699 | |
700 | data->intf->needs_remote_wakeup = 0; | |
701 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 702 | |
7b8e2c1d ON |
703 | failed: |
704 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
705 | return 0; |
706 | } | |
707 | ||
708 | static int btusb_flush(struct hci_dev *hdev) | |
709 | { | |
155961e8 | 710 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
711 | |
712 | BT_DBG("%s", hdev->name); | |
713 | ||
714 | usb_kill_anchored_urbs(&data->tx_anchor); | |
715 | ||
716 | return 0; | |
717 | } | |
718 | ||
719 | static int btusb_send_frame(struct sk_buff *skb) | |
720 | { | |
721 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 722 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
723 | struct usb_ctrlrequest *dr; |
724 | struct urb *urb; | |
725 | unsigned int pipe; | |
726 | int err; | |
727 | ||
728 | BT_DBG("%s", hdev->name); | |
729 | ||
730 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
731 | return -EBUSY; | |
732 | ||
733 | switch (bt_cb(skb)->pkt_type) { | |
734 | case HCI_COMMAND_PKT: | |
735 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
736 | if (!urb) | |
737 | return -ENOMEM; | |
738 | ||
739 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
740 | if (!dr) { | |
741 | usb_free_urb(urb); | |
742 | return -ENOMEM; | |
743 | } | |
744 | ||
7a9d4020 | 745 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
746 | dr->bRequest = 0; |
747 | dr->wIndex = 0; | |
748 | dr->wValue = 0; | |
749 | dr->wLength = __cpu_to_le16(skb->len); | |
750 | ||
751 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
752 | ||
753 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
754 | skb->data, skb->len, btusb_tx_complete, skb); | |
755 | ||
756 | hdev->stat.cmd_tx++; | |
757 | break; | |
758 | ||
759 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 760 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
761 | return -ENODEV; |
762 | ||
5e23b923 MH |
763 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
764 | if (!urb) | |
765 | return -ENOMEM; | |
766 | ||
767 | pipe = usb_sndbulkpipe(data->udev, | |
768 | data->bulk_tx_ep->bEndpointAddress); | |
769 | ||
770 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
771 | skb->data, skb->len, btusb_tx_complete, skb); | |
772 | ||
773 | hdev->stat.acl_tx++; | |
774 | break; | |
775 | ||
776 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
777 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
778 | return -ENODEV; | |
779 | ||
780 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
781 | if (!urb) | |
782 | return -ENOMEM; | |
783 | ||
784 | pipe = usb_sndisocpipe(data->udev, | |
785 | data->isoc_tx_ep->bEndpointAddress); | |
786 | ||
03c2d0e8 GP |
787 | usb_fill_int_urb(urb, data->udev, pipe, |
788 | skb->data, skb->len, btusb_isoc_tx_complete, | |
789 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
790 | |
791 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
792 | |
793 | __fill_isoc_descriptor(urb, skb->len, | |
794 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
795 | ||
5e23b923 | 796 | hdev->stat.sco_tx++; |
7bee549e | 797 | goto skip_waking; |
5e23b923 MH |
798 | |
799 | default: | |
800 | return -EILSEQ; | |
801 | } | |
802 | ||
7bee549e ON |
803 | err = inc_tx(data); |
804 | if (err) { | |
805 | usb_anchor_urb(urb, &data->deferred); | |
806 | schedule_work(&data->waker); | |
807 | err = 0; | |
808 | goto done; | |
809 | } | |
810 | ||
811 | skip_waking: | |
5e23b923 MH |
812 | usb_anchor_urb(urb, &data->tx_anchor); |
813 | ||
814 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
815 | if (err < 0) { | |
5a9b80e2 PB |
816 | if (err != -EPERM && err != -ENODEV) |
817 | BT_ERR("%s urb %p submission failed (%d)", | |
818 | hdev->name, urb, -err); | |
5e23b923 MH |
819 | kfree(urb->setup_packet); |
820 | usb_unanchor_urb(urb); | |
7bee549e ON |
821 | } else { |
822 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
823 | } |
824 | ||
7bee549e | 825 | done: |
54a8a79c | 826 | usb_free_urb(urb); |
5e23b923 MH |
827 | return err; |
828 | } | |
829 | ||
5e23b923 MH |
830 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
831 | { | |
155961e8 | 832 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
833 | |
834 | BT_DBG("%s evt %d", hdev->name, evt); | |
835 | ||
43c2e57f MH |
836 | if (hdev->conn_hash.sco_num != data->sco_num) { |
837 | data->sco_num = hdev->conn_hash.sco_num; | |
838 | schedule_work(&data->work); | |
a780efa8 | 839 | } |
5e23b923 MH |
840 | } |
841 | ||
42b16b3f | 842 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 843 | { |
155961e8 | 844 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
845 | struct usb_interface *intf = data->isoc; |
846 | struct usb_endpoint_descriptor *ep_desc; | |
847 | int i, err; | |
848 | ||
849 | if (!data->isoc) | |
850 | return -ENODEV; | |
851 | ||
852 | err = usb_set_interface(data->udev, 1, altsetting); | |
853 | if (err < 0) { | |
854 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
855 | return err; | |
856 | } | |
857 | ||
858 | data->isoc_altsetting = altsetting; | |
859 | ||
860 | data->isoc_tx_ep = NULL; | |
861 | data->isoc_rx_ep = NULL; | |
862 | ||
863 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
864 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
865 | ||
866 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
867 | data->isoc_tx_ep = ep_desc; | |
868 | continue; | |
869 | } | |
870 | ||
871 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
872 | data->isoc_rx_ep = ep_desc; | |
873 | continue; | |
874 | } | |
875 | } | |
876 | ||
877 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
878 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
879 | return -ENODEV; | |
880 | } | |
881 | ||
882 | return 0; | |
883 | } | |
884 | ||
5e23b923 MH |
885 | static void btusb_work(struct work_struct *work) |
886 | { | |
887 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
888 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 889 | int new_alts; |
7bee549e | 890 | int err; |
5e23b923 | 891 | |
9bfa35fe | 892 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 893 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 894 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
895 | if (err < 0) { |
896 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
897 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
898 | return; | |
899 | } | |
900 | ||
08b8b6c4 | 901 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 902 | } |
f4001d28 MA |
903 | |
904 | if (hdev->voice_setting & 0x0020) { | |
905 | static const int alts[3] = { 2, 4, 5 }; | |
906 | new_alts = alts[hdev->conn_hash.sco_num - 1]; | |
907 | } else { | |
908 | new_alts = hdev->conn_hash.sco_num; | |
909 | } | |
910 | ||
911 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
912 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
913 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
914 | ||
f4001d28 | 915 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
916 | return; |
917 | } | |
918 | ||
919 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 920 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
921 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
922 | else | |
2eda66f4 | 923 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
924 | } |
925 | } else { | |
926 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
927 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
928 | ||
929 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 930 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 931 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
932 | } |
933 | } | |
934 | ||
7bee549e ON |
935 | static void btusb_waker(struct work_struct *work) |
936 | { | |
937 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
938 | int err; | |
939 | ||
940 | err = usb_autopm_get_interface(data->intf); | |
941 | if (err < 0) | |
942 | return; | |
943 | ||
944 | usb_autopm_put_interface(data->intf); | |
945 | } | |
946 | ||
9f8f962c MH |
947 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
948 | { | |
949 | struct sk_buff *skb; | |
950 | u8 val = 0x00; | |
951 | ||
952 | BT_DBG("%s", hdev->name); | |
953 | ||
954 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
955 | if (IS_ERR(skb)) | |
956 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
957 | else | |
958 | kfree_skb(skb); | |
959 | ||
960 | return 0; | |
961 | } | |
962 | ||
dffd30ee THJA |
963 | struct intel_version { |
964 | u8 status; | |
965 | u8 hw_platform; | |
966 | u8 hw_variant; | |
967 | u8 hw_revision; | |
968 | u8 fw_variant; | |
969 | u8 fw_revision; | |
970 | u8 fw_build_num; | |
971 | u8 fw_build_ww; | |
972 | u8 fw_build_yy; | |
973 | u8 fw_patch_num; | |
974 | } __packed; | |
975 | ||
976 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
977 | struct intel_version *ver) | |
978 | { | |
979 | const struct firmware *fw; | |
980 | char fwname[64]; | |
981 | int ret; | |
982 | ||
983 | snprintf(fwname, sizeof(fwname), | |
984 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
985 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
986 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
987 | ver->fw_build_ww, ver->fw_build_yy); | |
988 | ||
989 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
990 | if (ret < 0) { | |
991 | if (ret == -EINVAL) { | |
992 | BT_ERR("%s Intel firmware file request failed (%d)", | |
993 | hdev->name, ret); | |
994 | return NULL; | |
995 | } | |
996 | ||
997 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
998 | hdev->name, fwname, ret); | |
999 | ||
1000 | /* If the correct firmware patch file is not found, use the | |
1001 | * default firmware patch file instead | |
1002 | */ | |
1003 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1004 | ver->hw_platform, ver->hw_variant); | |
1005 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1006 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1007 | hdev->name, fwname); | |
1008 | return NULL; | |
1009 | } | |
1010 | } | |
1011 | ||
1012 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1013 | ||
1014 | return fw; | |
1015 | } | |
1016 | ||
1017 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1018 | const struct firmware *fw, | |
1019 | const u8 **fw_ptr, int *disable_patch) | |
1020 | { | |
1021 | struct sk_buff *skb; | |
1022 | struct hci_command_hdr *cmd; | |
1023 | const u8 *cmd_param; | |
1024 | struct hci_event_hdr *evt = NULL; | |
1025 | const u8 *evt_param = NULL; | |
1026 | int remain = fw->size - (*fw_ptr - fw->data); | |
1027 | ||
1028 | /* The first byte indicates the types of the patch command or event. | |
1029 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1030 | * in the current firmware buffer doesn't start with 0x01 or | |
1031 | * the size of remain buffer is smaller than HCI command header, | |
1032 | * the firmware file is corrupted and it should stop the patching | |
1033 | * process. | |
1034 | */ | |
1035 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1036 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1037 | return -EINVAL; | |
1038 | } | |
1039 | (*fw_ptr)++; | |
1040 | remain--; | |
1041 | ||
1042 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1043 | *fw_ptr += sizeof(*cmd); | |
1044 | remain -= sizeof(*cmd); | |
1045 | ||
1046 | /* Ensure that the remain firmware data is long enough than the length | |
1047 | * of command parameter. If not, the firmware file is corrupted. | |
1048 | */ | |
1049 | if (remain < cmd->plen) { | |
1050 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1051 | return -EFAULT; | |
1052 | } | |
1053 | ||
1054 | /* If there is a command that loads a patch in the firmware | |
1055 | * file, then enable the patch upon success, otherwise just | |
1056 | * disable the manufacturer mode, for example patch activation | |
1057 | * is not required when the default firmware patch file is used | |
1058 | * because there are no patch data to load. | |
1059 | */ | |
1060 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1061 | *disable_patch = 0; | |
1062 | ||
1063 | cmd_param = *fw_ptr; | |
1064 | *fw_ptr += cmd->plen; | |
1065 | remain -= cmd->plen; | |
1066 | ||
1067 | /* This reads the expected events when the above command is sent to the | |
1068 | * device. Some vendor commands expects more than one events, for | |
1069 | * example command status event followed by vendor specific event. | |
1070 | * For this case, it only keeps the last expected event. so the command | |
1071 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1072 | * last expected event. | |
1073 | */ | |
1074 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1075 | (*fw_ptr)++; | |
1076 | remain--; | |
1077 | ||
1078 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1079 | *fw_ptr += sizeof(*evt); | |
1080 | remain -= sizeof(*evt); | |
1081 | ||
1082 | if (remain < evt->plen) { | |
1083 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1084 | hdev->name); | |
1085 | return -EFAULT; | |
1086 | } | |
1087 | ||
1088 | evt_param = *fw_ptr; | |
1089 | *fw_ptr += evt->plen; | |
1090 | remain -= evt->plen; | |
1091 | } | |
1092 | ||
1093 | /* Every HCI commands in the firmware file has its correspond event. | |
1094 | * If event is not found or remain is smaller than zero, the firmware | |
1095 | * file is corrupted. | |
1096 | */ | |
1097 | if (!evt || !evt_param || remain < 0) { | |
1098 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1099 | return -EFAULT; | |
1100 | } | |
1101 | ||
1102 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1103 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1104 | if (IS_ERR(skb)) { | |
1105 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1106 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1107 | return PTR_ERR(skb); |
dffd30ee THJA |
1108 | } |
1109 | ||
1110 | /* It ensures that the returned event matches the event data read from | |
1111 | * the firmware file. At fist, it checks the length and then | |
1112 | * the contents of the event. | |
1113 | */ | |
1114 | if (skb->len != evt->plen) { | |
1115 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1116 | le16_to_cpu(cmd->opcode)); | |
1117 | kfree_skb(skb); | |
1118 | return -EFAULT; | |
1119 | } | |
1120 | ||
1121 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1122 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1123 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1124 | kfree_skb(skb); | |
1125 | return -EFAULT; | |
1126 | } | |
1127 | kfree_skb(skb); | |
1128 | ||
1129 | return 0; | |
1130 | } | |
1131 | ||
1132 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1133 | { | |
1134 | struct sk_buff *skb; | |
1135 | const struct firmware *fw; | |
1136 | const u8 *fw_ptr; | |
1137 | int disable_patch; | |
1138 | struct intel_version *ver; | |
1139 | ||
1140 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1141 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1142 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1143 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1144 | ||
1145 | BT_DBG("%s", hdev->name); | |
1146 | ||
1147 | /* The controller has a bug with the first HCI command sent to it | |
1148 | * returning number of completed commands as zero. This would stall the | |
1149 | * command processing in the Bluetooth core. | |
1150 | * | |
1151 | * As a workaround, send HCI Reset command first which will reset the | |
1152 | * number of completed commands and allow normal command processing | |
1153 | * from now on. | |
1154 | */ | |
1155 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1156 | if (IS_ERR(skb)) { | |
1157 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1158 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1159 | return PTR_ERR(skb); |
dffd30ee THJA |
1160 | } |
1161 | kfree_skb(skb); | |
1162 | ||
1163 | /* Read Intel specific controller version first to allow selection of | |
1164 | * which firmware file to load. | |
1165 | * | |
1166 | * The returned information are hardware variant and revision plus | |
1167 | * firmware variant, revision and build number. | |
1168 | */ | |
1169 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1170 | if (IS_ERR(skb)) { | |
1171 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1172 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1173 | return PTR_ERR(skb); |
dffd30ee THJA |
1174 | } |
1175 | ||
1176 | if (skb->len != sizeof(*ver)) { | |
1177 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1178 | kfree_skb(skb); | |
1179 | return -EIO; | |
1180 | } | |
1181 | ||
1182 | ver = (struct intel_version *)skb->data; | |
1183 | if (ver->status) { | |
1184 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1185 | ver->status); | |
1186 | kfree_skb(skb); | |
1187 | return -bt_to_errno(ver->status); | |
1188 | } | |
1189 | ||
1190 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1191 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1192 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1193 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1194 | ver->fw_patch_num); | |
1195 | ||
1196 | /* fw_patch_num indicates the version of patch the device currently | |
1197 | * have. If there is no patch data in the device, it is always 0x00. | |
1198 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1199 | */ | |
1200 | if (ver->fw_patch_num) { | |
1201 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1202 | hdev->name, ver->fw_patch_num); | |
1203 | kfree_skb(skb); | |
1204 | return 0; | |
1205 | } | |
1206 | ||
1207 | /* Opens the firmware patch file based on the firmware version read | |
1208 | * from the controller. If it fails to open the matching firmware | |
1209 | * patch file, it tries to open the default firmware patch file. | |
1210 | * If no patch file is found, allow the device to operate without | |
1211 | * a patch. | |
1212 | */ | |
1213 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1214 | if (!fw) { | |
1215 | kfree_skb(skb); | |
1216 | return 0; | |
1217 | } | |
1218 | fw_ptr = fw->data; | |
1219 | ||
1220 | /* This Intel specific command enables the manufacturer mode of the | |
1221 | * controller. | |
1222 | * | |
1223 | * Only while this mode is enabled, the driver can download the | |
1224 | * firmware patch data and configuration parameters. | |
1225 | */ | |
1226 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1227 | if (IS_ERR(skb)) { | |
1228 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1229 | hdev->name, PTR_ERR(skb)); | |
1230 | release_firmware(fw); | |
d9c78e97 | 1231 | return PTR_ERR(skb); |
dffd30ee THJA |
1232 | } |
1233 | ||
1234 | if (skb->data[0]) { | |
1235 | u8 evt_status = skb->data[0]; | |
1236 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", | |
1237 | hdev->name, evt_status); | |
1238 | kfree_skb(skb); | |
1239 | release_firmware(fw); | |
1240 | return -bt_to_errno(evt_status); | |
1241 | } | |
1242 | kfree_skb(skb); | |
1243 | ||
1244 | disable_patch = 1; | |
1245 | ||
1246 | /* The firmware data file consists of list of Intel specific HCI | |
1247 | * commands and its expected events. The first byte indicates the | |
1248 | * type of the message, either HCI command or HCI event. | |
1249 | * | |
1250 | * It reads the command and its expected event from the firmware file, | |
1251 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1252 | * the returned event is compared with the event read from the firmware | |
1253 | * file and it will continue until all the messages are downloaded to | |
1254 | * the controller. | |
1255 | * | |
1256 | * Once the firmware patching is completed successfully, | |
1257 | * the manufacturer mode is disabled with reset and activating the | |
1258 | * downloaded patch. | |
1259 | * | |
1260 | * If the firmware patching fails, the manufacturer mode is | |
1261 | * disabled with reset and deactivating the patch. | |
1262 | * | |
1263 | * If the default patch file is used, no reset is done when disabling | |
1264 | * the manufacturer. | |
1265 | */ | |
1266 | while (fw->size > fw_ptr - fw->data) { | |
1267 | int ret; | |
1268 | ||
1269 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1270 | &disable_patch); | |
1271 | if (ret < 0) | |
1272 | goto exit_mfg_deactivate; | |
1273 | } | |
1274 | ||
1275 | release_firmware(fw); | |
1276 | ||
1277 | if (disable_patch) | |
1278 | goto exit_mfg_disable; | |
1279 | ||
1280 | /* Patching completed successfully and disable the manufacturer mode | |
1281 | * with reset and activate the downloaded firmware patches. | |
1282 | */ | |
1283 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1284 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1285 | if (IS_ERR(skb)) { | |
1286 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1287 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1288 | return PTR_ERR(skb); |
dffd30ee THJA |
1289 | } |
1290 | kfree_skb(skb); | |
1291 | ||
1292 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1293 | hdev->name); | |
1294 | ||
1295 | return 0; | |
1296 | ||
1297 | exit_mfg_disable: | |
1298 | /* Disable the manufacturer mode without reset */ | |
1299 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1300 | HCI_INIT_TIMEOUT); | |
1301 | if (IS_ERR(skb)) { | |
1302 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1303 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1304 | return PTR_ERR(skb); |
dffd30ee THJA |
1305 | } |
1306 | kfree_skb(skb); | |
1307 | ||
1308 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
1309 | return 0; | |
1310 | ||
1311 | exit_mfg_deactivate: | |
1312 | release_firmware(fw); | |
1313 | ||
1314 | /* Patching failed. Disable the manufacturer mode with reset and | |
1315 | * deactivate the downloaded firmware patches. | |
1316 | */ | |
1317 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1318 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1319 | if (IS_ERR(skb)) { | |
1320 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1321 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1322 | return PTR_ERR(skb); |
dffd30ee THJA |
1323 | } |
1324 | kfree_skb(skb); | |
1325 | ||
1326 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1327 | hdev->name); | |
1328 | ||
1329 | return 0; | |
1330 | } | |
1331 | ||
5e23b923 MH |
1332 | static int btusb_probe(struct usb_interface *intf, |
1333 | const struct usb_device_id *id) | |
1334 | { | |
1335 | struct usb_endpoint_descriptor *ep_desc; | |
1336 | struct btusb_data *data; | |
1337 | struct hci_dev *hdev; | |
1338 | int i, err; | |
1339 | ||
1340 | BT_DBG("intf %p id %p", intf, id); | |
1341 | ||
cfeb4145 | 1342 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1343 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1344 | return -ENODEV; | |
1345 | ||
1346 | if (!id->driver_info) { | |
1347 | const struct usb_device_id *match; | |
1348 | match = usb_match_id(intf, blacklist_table); | |
1349 | if (match) | |
1350 | id = match; | |
1351 | } | |
1352 | ||
cfeb4145 MH |
1353 | if (id->driver_info == BTUSB_IGNORE) |
1354 | return -ENODEV; | |
1355 | ||
1356 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
1357 | return -ENODEV; | |
1358 | ||
1359 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
1360 | return -ENODEV; | |
1361 | ||
1362 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
1363 | return -ENODEV; | |
1364 | ||
2d25f8b4 SL |
1365 | if (id->driver_info & BTUSB_ATH3012) { |
1366 | struct usb_device *udev = interface_to_usbdev(intf); | |
1367 | ||
1368 | /* Old firmware would otherwise let ath3k driver load | |
1369 | * patch and sysconfig files */ | |
1370 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
1371 | return -ENODEV; | |
1372 | } | |
1373 | ||
98921dbd | 1374 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
1375 | if (!data) |
1376 | return -ENOMEM; | |
1377 | ||
1378 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1379 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1380 | ||
1381 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1382 | data->intr_ep = ep_desc; | |
1383 | continue; | |
1384 | } | |
1385 | ||
1386 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1387 | data->bulk_tx_ep = ep_desc; | |
1388 | continue; | |
1389 | } | |
1390 | ||
1391 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1392 | data->bulk_rx_ep = ep_desc; | |
1393 | continue; | |
1394 | } | |
1395 | } | |
1396 | ||
98921dbd | 1397 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 1398 | return -ENODEV; |
5e23b923 | 1399 | |
7a9d4020 MH |
1400 | data->cmdreq_type = USB_TYPE_CLASS; |
1401 | ||
5e23b923 | 1402 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 1403 | data->intf = intf; |
5e23b923 MH |
1404 | |
1405 | spin_lock_init(&data->lock); | |
1406 | ||
1407 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
1408 | INIT_WORK(&data->waker, btusb_waker); |
1409 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
1410 | |
1411 | init_usb_anchor(&data->tx_anchor); | |
1412 | init_usb_anchor(&data->intr_anchor); | |
1413 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1414 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1415 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1416 | |
1417 | hdev = hci_alloc_dev(); | |
98921dbd | 1418 | if (!hdev) |
5e23b923 | 1419 | return -ENOMEM; |
5e23b923 | 1420 | |
c13854ce | 1421 | hdev->bus = HCI_USB; |
155961e8 | 1422 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1423 | |
1424 | data->hdev = hdev; | |
1425 | ||
1426 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1427 | ||
9f8f962c MH |
1428 | hdev->open = btusb_open; |
1429 | hdev->close = btusb_close; | |
1430 | hdev->flush = btusb_flush; | |
1431 | hdev->send = btusb_send_frame; | |
1432 | hdev->notify = btusb_notify; | |
1433 | ||
1434 | if (id->driver_info & BTUSB_BCM92035) | |
1435 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 1436 | |
dffd30ee THJA |
1437 | if (id->driver_info & BTUSB_INTEL) |
1438 | hdev->setup = btusb_setup_intel; | |
1439 | ||
7a9d4020 | 1440 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1441 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1442 | ||
7a9d4020 | 1443 | if (!reset) |
a6c511c6 | 1444 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1445 | |
1446 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1447 | if (!disable_scofix) | |
1448 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1449 | } | |
1450 | ||
9bfa35fe MH |
1451 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1452 | data->isoc = NULL; | |
1453 | ||
7a9d4020 MH |
1454 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1455 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1456 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1457 | } |
1458 | ||
1459 | if (id->driver_info & BTUSB_CSR) { | |
1460 | struct usb_device *udev = data->udev; | |
1461 | ||
1462 | /* Old firmware would otherwise execute USB reset */ | |
1463 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
a6c511c6 | 1464 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1465 | } |
1466 | ||
cfeb4145 | 1467 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1468 | struct usb_device *udev = data->udev; |
cfeb4145 | 1469 | |
7a9d4020 | 1470 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1471 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1472 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1473 | |
1474 | data->isoc = NULL; | |
cfeb4145 MH |
1475 | } |
1476 | ||
9bfa35fe MH |
1477 | if (data->isoc) { |
1478 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1479 | data->isoc, data); |
9bfa35fe MH |
1480 | if (err < 0) { |
1481 | hci_free_dev(hdev); | |
9bfa35fe MH |
1482 | return err; |
1483 | } | |
1484 | } | |
1485 | ||
5e23b923 MH |
1486 | err = hci_register_dev(hdev); |
1487 | if (err < 0) { | |
1488 | hci_free_dev(hdev); | |
5e23b923 MH |
1489 | return err; |
1490 | } | |
1491 | ||
1492 | usb_set_intfdata(intf, data); | |
1493 | ||
1494 | return 0; | |
1495 | } | |
1496 | ||
1497 | static void btusb_disconnect(struct usb_interface *intf) | |
1498 | { | |
1499 | struct btusb_data *data = usb_get_intfdata(intf); | |
1500 | struct hci_dev *hdev; | |
1501 | ||
1502 | BT_DBG("intf %p", intf); | |
1503 | ||
1504 | if (!data) | |
1505 | return; | |
1506 | ||
1507 | hdev = data->hdev; | |
5fbcd260 MH |
1508 | usb_set_intfdata(data->intf, NULL); |
1509 | ||
1510 | if (data->isoc) | |
1511 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1512 | |
1513 | hci_unregister_dev(hdev); | |
1514 | ||
5fbcd260 MH |
1515 | if (intf == data->isoc) |
1516 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1517 | else if (data->isoc) | |
1518 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1519 | ||
5e23b923 MH |
1520 | hci_free_dev(hdev); |
1521 | } | |
1522 | ||
7bee549e | 1523 | #ifdef CONFIG_PM |
6a88adf2 MH |
1524 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1525 | { | |
1526 | struct btusb_data *data = usb_get_intfdata(intf); | |
1527 | ||
1528 | BT_DBG("intf %p", intf); | |
1529 | ||
1530 | if (data->suspend_count++) | |
1531 | return 0; | |
1532 | ||
7bee549e | 1533 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1534 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1535 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1536 | spin_unlock_irq(&data->txlock); | |
1537 | } else { | |
1538 | spin_unlock_irq(&data->txlock); | |
1539 | data->suspend_count--; | |
1540 | return -EBUSY; | |
1541 | } | |
1542 | ||
6a88adf2 MH |
1543 | cancel_work_sync(&data->work); |
1544 | ||
7bee549e | 1545 | btusb_stop_traffic(data); |
6a88adf2 MH |
1546 | usb_kill_anchored_urbs(&data->tx_anchor); |
1547 | ||
6a88adf2 MH |
1548 | return 0; |
1549 | } | |
1550 | ||
7bee549e ON |
1551 | static void play_deferred(struct btusb_data *data) |
1552 | { | |
1553 | struct urb *urb; | |
1554 | int err; | |
1555 | ||
1556 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1557 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1558 | if (err < 0) | |
1559 | break; | |
1560 | ||
1561 | data->tx_in_flight++; | |
1562 | } | |
1563 | usb_scuttle_anchored_urbs(&data->deferred); | |
1564 | } | |
1565 | ||
6a88adf2 MH |
1566 | static int btusb_resume(struct usb_interface *intf) |
1567 | { | |
1568 | struct btusb_data *data = usb_get_intfdata(intf); | |
1569 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1570 | int err = 0; |
6a88adf2 MH |
1571 | |
1572 | BT_DBG("intf %p", intf); | |
1573 | ||
1574 | if (--data->suspend_count) | |
1575 | return 0; | |
1576 | ||
1577 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1578 | goto done; |
6a88adf2 MH |
1579 | |
1580 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1581 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1582 | if (err < 0) { | |
1583 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1584 | goto failed; |
6a88adf2 MH |
1585 | } |
1586 | } | |
1587 | ||
1588 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1589 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1590 | if (err < 0) { | |
6a88adf2 | 1591 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1592 | goto failed; |
1593 | } | |
1594 | ||
1595 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1596 | } |
1597 | ||
1598 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1599 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1600 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1601 | else | |
1602 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1603 | } | |
1604 | ||
7bee549e ON |
1605 | spin_lock_irq(&data->txlock); |
1606 | play_deferred(data); | |
1607 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1608 | spin_unlock_irq(&data->txlock); | |
1609 | schedule_work(&data->work); | |
1610 | ||
6a88adf2 | 1611 | return 0; |
7bee549e ON |
1612 | |
1613 | failed: | |
1614 | usb_scuttle_anchored_urbs(&data->deferred); | |
1615 | done: | |
1616 | spin_lock_irq(&data->txlock); | |
1617 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1618 | spin_unlock_irq(&data->txlock); | |
1619 | ||
1620 | return err; | |
6a88adf2 | 1621 | } |
7bee549e | 1622 | #endif |
6a88adf2 | 1623 | |
5e23b923 MH |
1624 | static struct usb_driver btusb_driver = { |
1625 | .name = "btusb", | |
1626 | .probe = btusb_probe, | |
1627 | .disconnect = btusb_disconnect, | |
7bee549e | 1628 | #ifdef CONFIG_PM |
6a88adf2 MH |
1629 | .suspend = btusb_suspend, |
1630 | .resume = btusb_resume, | |
502f7696 | 1631 | .reset_resume = btusb_resume, |
7bee549e | 1632 | #endif |
5e23b923 | 1633 | .id_table = btusb_table, |
7bee549e | 1634 | .supports_autosuspend = 1, |
e1f12eb6 | 1635 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1636 | }; |
1637 | ||
93f1508c | 1638 | module_usb_driver(btusb_driver); |
5e23b923 | 1639 | |
cfeb4145 MH |
1640 | module_param(ignore_dga, bool, 0644); |
1641 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1642 | ||
1643 | module_param(ignore_csr, bool, 0644); | |
1644 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1645 | ||
1646 | module_param(ignore_sniffer, bool, 0644); | |
1647 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1648 | ||
1649 | module_param(disable_scofix, bool, 0644); | |
1650 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1651 | ||
1652 | module_param(force_scofix, bool, 0644); | |
1653 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1654 | ||
1655 | module_param(reset, bool, 0644); | |
1656 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1657 | ||
5e23b923 MH |
1658 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1659 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1660 | MODULE_VERSION(VERSION); | |
1661 | MODULE_LICENSE("GPL"); |