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 |
54108649 | 52 | #define BTUSB_INTEL_BOOT 0x200 |
5e23b923 MH |
53 | |
54 | static struct usb_device_id btusb_table[] = { | |
55 | /* Generic Bluetooth USB device */ | |
56 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
57 | ||
1fa6535f HR |
58 | /* Apple-specific (Broadcom) devices */ |
59 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, | |
60 | ||
c519774d CYC |
61 | /* MediaTek MT76x0E */ |
62 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
63 | ||
c510eae3 | 64 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 65 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 66 | |
3cd01976 NI |
67 | /* Apple MacBookPro 7,1 */ |
68 | { USB_DEVICE(0x05ac, 0x8213) }, | |
69 | ||
0a79f674 CL |
70 | /* Apple iMac11,1 */ |
71 | { USB_DEVICE(0x05ac, 0x8215) }, | |
72 | ||
9c047157 NI |
73 | /* Apple MacBookPro6,2 */ |
74 | { USB_DEVICE(0x05ac, 0x8218) }, | |
75 | ||
3e3ede7d EH |
76 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
77 | { USB_DEVICE(0x05ac, 0x821b) }, | |
78 | ||
a63b723d PAVM |
79 | /* Apple MacBookAir4,1 */ |
80 | { USB_DEVICE(0x05ac, 0x821f) }, | |
81 | ||
88d377b6 MAP |
82 | /* Apple MacBookPro8,2 */ |
83 | { USB_DEVICE(0x05ac, 0x821a) }, | |
84 | ||
f78b6826 JK |
85 | /* Apple MacMini5,1 */ |
86 | { USB_DEVICE(0x05ac, 0x8281) }, | |
87 | ||
cfeb4145 MH |
88 | /* AVM BlueFRITZ! USB v2.0 */ |
89 | { USB_DEVICE(0x057c, 0x3800) }, | |
90 | ||
91 | /* Bluetooth Ultraport Module from IBM */ | |
92 | { USB_DEVICE(0x04bf, 0x030a) }, | |
93 | ||
94 | /* ALPS Modules with non-standard id */ | |
95 | { USB_DEVICE(0x044e, 0x3001) }, | |
96 | { USB_DEVICE(0x044e, 0x3002) }, | |
97 | ||
98 | /* Ericsson with non-standard id */ | |
99 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
100 | ||
101 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 102 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 103 | |
d13431ca | 104 | /* Broadcom BCM20702A0 */ |
1ee3ff61 | 105 | { USB_DEVICE(0x0b05, 0x17b5) }, |
a7905fb9 | 106 | { USB_DEVICE(0x0b05, 0x17cb) }, |
0c1abbd1 | 107 | { USB_DEVICE(0x04ca, 0x2003) }, |
79cd7602 | 108 | { USB_DEVICE(0x0489, 0xe042) }, |
d13431ca WJS |
109 | { USB_DEVICE(0x413c, 0x8197) }, |
110 | ||
98514036 | 111 | /* Foxconn - Hon Hai */ |
ee66401b | 112 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
98514036 | 113 | |
92c385f4 GP |
114 | /*Broadcom devices with vendor specific id */ |
115 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01) }, | |
116 | ||
7ac28a32 JK |
117 | /* IMC Networks - Broadcom based */ |
118 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, | |
119 | ||
54108649 | 120 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
532caffe MH |
121 | { USB_DEVICE(0x8087, 0x0a5a), |
122 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
54108649 | 123 | |
5e23b923 MH |
124 | { } /* Terminating entry */ |
125 | }; | |
126 | ||
127 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
128 | ||
129 | static struct usb_device_id blacklist_table[] = { | |
cfeb4145 MH |
130 | /* CSR BlueCore devices */ |
131 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
132 | ||
133 | /* Broadcom BCM2033 without firmware */ | |
134 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
135 | ||
be93112a BS |
136 | /* Atheros 3011 with sflash firmware */ |
137 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, | |
6eda541d | 138 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 139 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
8e7c3d2e | 140 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, |
6b6ba88b | 141 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, |
acd94544 | 142 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
be93112a | 143 | |
509e7861 CYC |
144 | /* Atheros AR9285 Malbec with sflash firmware */ |
145 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
146 | ||
d9f51b51 | 147 | /* Atheros 3012 with sflash firmware */ |
d66629c1 | 148 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 149 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 150 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 151 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
a713ad60 | 152 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
3672f3f2 | 153 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 154 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
9498ba7a | 155 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
3f63c340 | 156 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
55ed7d4d | 157 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
2c262b2a | 158 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
0d38fa9f | 159 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
f4d6f7dc | 160 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
87522a43 | 161 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 162 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
877ed5f4 | 163 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
6c4ae5c2 | 164 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
2096ae6c | 165 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
eed307e2 | 166 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
3a61eda8 | 167 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
2582d529 | 168 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
0fc110f4 | 169 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
4008b2c7 | 170 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
44c4127a | 171 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
df235047 | 172 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
eba6a13b | 173 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 174 | |
e9036e33 CYC |
175 | /* Atheros AR5BBU12 with sflash firmware */ |
176 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
177 | ||
85d59726 MG |
178 | /* Atheros AR5BBU12 with sflash firmware */ |
179 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, | |
bc21fde2 | 180 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 181 | |
cfeb4145 | 182 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
183 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
184 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
185 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
186 | |
187 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
188 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
189 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 190 | |
cfeb4145 | 191 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
192 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
193 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
194 | |
195 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 196 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
197 | |
198 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 199 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 200 | |
5ddd4a60 | 201 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 202 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 203 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 204 | |
7a9d4020 MH |
205 | /* Belkin F8T012 and F8T013 devices */ |
206 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
207 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 208 | |
5ddd4a60 MH |
209 | /* Asus WL-BTD202 device */ |
210 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
211 | ||
212 | /* Kensington Bluetooth USB adapter */ | |
213 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
214 | ||
cfeb4145 MH |
215 | /* RTX Telecom based adapters with buggy SCO support */ |
216 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
217 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
218 | ||
219 | /* CONWISE Technology based adapters with buggy SCO support */ | |
220 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
221 | ||
cfeb4145 MH |
222 | /* Digianswer devices */ |
223 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
224 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
225 | ||
226 | /* CSR BlueCore Bluetooth Sniffer */ | |
227 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
228 | ||
229 | /* Frontline ComProbe Bluetooth Sniffer */ | |
230 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
231 | ||
dffd30ee THJA |
232 | /* Intel Bluetooth device */ |
233 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
234 | ||
5e23b923 MH |
235 | { } /* Terminating entry */ |
236 | }; | |
237 | ||
9bfa35fe MH |
238 | #define BTUSB_MAX_ISOC_FRAMES 10 |
239 | ||
5e23b923 MH |
240 | #define BTUSB_INTR_RUNNING 0 |
241 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 242 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 243 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 244 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
245 | |
246 | struct btusb_data { | |
247 | struct hci_dev *hdev; | |
248 | struct usb_device *udev; | |
5fbcd260 | 249 | struct usb_interface *intf; |
9bfa35fe | 250 | struct usb_interface *isoc; |
5e23b923 MH |
251 | |
252 | spinlock_t lock; | |
253 | ||
254 | unsigned long flags; | |
255 | ||
256 | struct work_struct work; | |
7bee549e | 257 | struct work_struct waker; |
5e23b923 MH |
258 | |
259 | struct usb_anchor tx_anchor; | |
260 | struct usb_anchor intr_anchor; | |
261 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 262 | struct usb_anchor isoc_anchor; |
7bee549e ON |
263 | struct usb_anchor deferred; |
264 | int tx_in_flight; | |
265 | spinlock_t txlock; | |
5e23b923 MH |
266 | |
267 | struct usb_endpoint_descriptor *intr_ep; | |
268 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
269 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
270 | struct usb_endpoint_descriptor *isoc_tx_ep; |
271 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
272 | ||
7a9d4020 MH |
273 | __u8 cmdreq_type; |
274 | ||
43c2e57f | 275 | unsigned int sco_num; |
9bfa35fe | 276 | int isoc_altsetting; |
6a88adf2 | 277 | int suspend_count; |
5e23b923 MH |
278 | }; |
279 | ||
7bee549e ON |
280 | static int inc_tx(struct btusb_data *data) |
281 | { | |
282 | unsigned long flags; | |
283 | int rv; | |
284 | ||
285 | spin_lock_irqsave(&data->txlock, flags); | |
286 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
287 | if (!rv) | |
288 | data->tx_in_flight++; | |
289 | spin_unlock_irqrestore(&data->txlock, flags); | |
290 | ||
291 | return rv; | |
292 | } | |
293 | ||
5e23b923 MH |
294 | static void btusb_intr_complete(struct urb *urb) |
295 | { | |
296 | struct hci_dev *hdev = urb->context; | |
155961e8 | 297 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
298 | int err; |
299 | ||
300 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
301 | urb, urb->status, urb->actual_length); | |
302 | ||
303 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
304 | return; | |
305 | ||
306 | if (urb->status == 0) { | |
9bfa35fe MH |
307 | hdev->stat.byte_rx += urb->actual_length; |
308 | ||
5e23b923 MH |
309 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
310 | urb->transfer_buffer, | |
311 | urb->actual_length) < 0) { | |
312 | BT_ERR("%s corrupted event packet", hdev->name); | |
313 | hdev->stat.err_rx++; | |
314 | } | |
41ba8fa0 CC |
315 | } else if (urb->status == -ENOENT) { |
316 | /* Avoid suspend failed when usb_kill_urb */ | |
317 | return; | |
5e23b923 MH |
318 | } |
319 | ||
320 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
321 | return; | |
322 | ||
7bee549e | 323 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
324 | usb_anchor_urb(urb, &data->intr_anchor); |
325 | ||
326 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
327 | if (err < 0) { | |
4935f1c1 PB |
328 | /* -EPERM: urb is being killed; |
329 | * -ENODEV: device got disconnected */ | |
330 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 331 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
332 | hdev->name, urb, -err); |
333 | usb_unanchor_urb(urb); | |
334 | } | |
335 | } | |
336 | ||
2eda66f4 | 337 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 338 | { |
155961e8 | 339 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
340 | struct urb *urb; |
341 | unsigned char *buf; | |
342 | unsigned int pipe; | |
343 | int err, size; | |
344 | ||
345 | BT_DBG("%s", hdev->name); | |
346 | ||
9bfa35fe MH |
347 | if (!data->intr_ep) |
348 | return -ENODEV; | |
349 | ||
2eda66f4 | 350 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
351 | if (!urb) |
352 | return -ENOMEM; | |
353 | ||
354 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
355 | ||
2eda66f4 | 356 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
357 | if (!buf) { |
358 | usb_free_urb(urb); | |
359 | return -ENOMEM; | |
360 | } | |
361 | ||
362 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
363 | ||
364 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
365 | btusb_intr_complete, hdev, | |
366 | data->intr_ep->bInterval); | |
367 | ||
368 | urb->transfer_flags |= URB_FREE_BUFFER; | |
369 | ||
370 | usb_anchor_urb(urb, &data->intr_anchor); | |
371 | ||
2eda66f4 | 372 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 373 | if (err < 0) { |
d4b8d1c9 PB |
374 | if (err != -EPERM && err != -ENODEV) |
375 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
376 | hdev->name, urb, -err); |
377 | usb_unanchor_urb(urb); | |
5e23b923 MH |
378 | } |
379 | ||
380 | usb_free_urb(urb); | |
381 | ||
382 | return err; | |
383 | } | |
384 | ||
385 | static void btusb_bulk_complete(struct urb *urb) | |
386 | { | |
387 | struct hci_dev *hdev = urb->context; | |
155961e8 | 388 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
389 | int err; |
390 | ||
391 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
392 | urb, urb->status, urb->actual_length); | |
393 | ||
394 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
395 | return; | |
396 | ||
397 | if (urb->status == 0) { | |
9bfa35fe MH |
398 | hdev->stat.byte_rx += urb->actual_length; |
399 | ||
5e23b923 MH |
400 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
401 | urb->transfer_buffer, | |
402 | urb->actual_length) < 0) { | |
403 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
404 | hdev->stat.err_rx++; | |
405 | } | |
41ba8fa0 CC |
406 | } else if (urb->status == -ENOENT) { |
407 | /* Avoid suspend failed when usb_kill_urb */ | |
408 | return; | |
5e23b923 MH |
409 | } |
410 | ||
411 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
412 | return; | |
413 | ||
414 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 415 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
416 | |
417 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
418 | if (err < 0) { | |
4935f1c1 PB |
419 | /* -EPERM: urb is being killed; |
420 | * -ENODEV: device got disconnected */ | |
421 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 422 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
423 | hdev->name, urb, -err); |
424 | usb_unanchor_urb(urb); | |
425 | } | |
426 | } | |
427 | ||
2eda66f4 | 428 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 429 | { |
155961e8 | 430 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
431 | struct urb *urb; |
432 | unsigned char *buf; | |
433 | unsigned int pipe; | |
290ba200 | 434 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
435 | |
436 | BT_DBG("%s", hdev->name); | |
437 | ||
9bfa35fe MH |
438 | if (!data->bulk_rx_ep) |
439 | return -ENODEV; | |
440 | ||
2eda66f4 | 441 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
442 | if (!urb) |
443 | return -ENOMEM; | |
444 | ||
2eda66f4 | 445 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
446 | if (!buf) { |
447 | usb_free_urb(urb); | |
448 | return -ENOMEM; | |
449 | } | |
450 | ||
451 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
452 | ||
453 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
454 | buf, size, btusb_bulk_complete, hdev); | |
455 | ||
456 | urb->transfer_flags |= URB_FREE_BUFFER; | |
457 | ||
7bee549e | 458 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
459 | usb_anchor_urb(urb, &data->bulk_anchor); |
460 | ||
2eda66f4 | 461 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 462 | if (err < 0) { |
d4b8d1c9 PB |
463 | if (err != -EPERM && err != -ENODEV) |
464 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
465 | hdev->name, urb, -err); |
466 | usb_unanchor_urb(urb); | |
5e23b923 MH |
467 | } |
468 | ||
469 | usb_free_urb(urb); | |
470 | ||
471 | return err; | |
472 | } | |
473 | ||
9bfa35fe MH |
474 | static void btusb_isoc_complete(struct urb *urb) |
475 | { | |
476 | struct hci_dev *hdev = urb->context; | |
155961e8 | 477 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
478 | int i, err; |
479 | ||
480 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
481 | urb, urb->status, urb->actual_length); | |
482 | ||
483 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
484 | return; | |
485 | ||
486 | if (urb->status == 0) { | |
487 | for (i = 0; i < urb->number_of_packets; i++) { | |
488 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
489 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
490 | ||
491 | if (urb->iso_frame_desc[i].status) | |
492 | continue; | |
493 | ||
494 | hdev->stat.byte_rx += length; | |
495 | ||
496 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
497 | urb->transfer_buffer + offset, | |
498 | length) < 0) { | |
499 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
500 | hdev->stat.err_rx++; | |
501 | } | |
502 | } | |
41ba8fa0 CC |
503 | } else if (urb->status == -ENOENT) { |
504 | /* Avoid suspend failed when usb_kill_urb */ | |
505 | return; | |
9bfa35fe MH |
506 | } |
507 | ||
508 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
509 | return; | |
510 | ||
511 | usb_anchor_urb(urb, &data->isoc_anchor); | |
512 | ||
513 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
514 | if (err < 0) { | |
4935f1c1 PB |
515 | /* -EPERM: urb is being killed; |
516 | * -ENODEV: device got disconnected */ | |
517 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 518 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
519 | hdev->name, urb, -err); |
520 | usb_unanchor_urb(urb); | |
521 | } | |
522 | } | |
523 | ||
42b16b3f | 524 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
525 | { |
526 | int i, offset = 0; | |
527 | ||
528 | BT_DBG("len %d mtu %d", len, mtu); | |
529 | ||
530 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
531 | i++, offset += mtu, len -= mtu) { | |
532 | urb->iso_frame_desc[i].offset = offset; | |
533 | urb->iso_frame_desc[i].length = mtu; | |
534 | } | |
535 | ||
536 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
537 | urb->iso_frame_desc[i].offset = offset; | |
538 | urb->iso_frame_desc[i].length = len; | |
539 | i++; | |
540 | } | |
541 | ||
542 | urb->number_of_packets = i; | |
543 | } | |
544 | ||
2eda66f4 | 545 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 546 | { |
155961e8 | 547 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
548 | struct urb *urb; |
549 | unsigned char *buf; | |
550 | unsigned int pipe; | |
551 | int err, size; | |
552 | ||
553 | BT_DBG("%s", hdev->name); | |
554 | ||
555 | if (!data->isoc_rx_ep) | |
556 | return -ENODEV; | |
557 | ||
2eda66f4 | 558 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
559 | if (!urb) |
560 | return -ENOMEM; | |
561 | ||
562 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
563 | BTUSB_MAX_ISOC_FRAMES; | |
564 | ||
2eda66f4 | 565 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
566 | if (!buf) { |
567 | usb_free_urb(urb); | |
568 | return -ENOMEM; | |
569 | } | |
570 | ||
571 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
572 | ||
fa0fb93f BZ |
573 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
574 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
575 | |
576 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
577 | |
578 | __fill_isoc_descriptor(urb, size, | |
579 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
580 | ||
581 | usb_anchor_urb(urb, &data->isoc_anchor); | |
582 | ||
2eda66f4 | 583 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 584 | if (err < 0) { |
d4b8d1c9 PB |
585 | if (err != -EPERM && err != -ENODEV) |
586 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
587 | hdev->name, urb, -err); |
588 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
589 | } |
590 | ||
591 | usb_free_urb(urb); | |
592 | ||
593 | return err; | |
594 | } | |
595 | ||
5e23b923 | 596 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
597 | { |
598 | struct sk_buff *skb = urb->context; | |
599 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 600 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
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 | spin_lock(&data->txlock); | |
615 | data->tx_in_flight--; | |
616 | spin_unlock(&data->txlock); | |
617 | ||
618 | kfree(urb->setup_packet); | |
619 | ||
620 | kfree_skb(skb); | |
621 | } | |
622 | ||
623 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
624 | { |
625 | struct sk_buff *skb = urb->context; | |
626 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
627 | ||
628 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
629 | urb, urb->status, urb->actual_length); | |
630 | ||
631 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
632 | goto done; | |
633 | ||
634 | if (!urb->status) | |
635 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
636 | else | |
637 | hdev->stat.err_tx++; | |
638 | ||
639 | done: | |
640 | kfree(urb->setup_packet); | |
641 | ||
642 | kfree_skb(skb); | |
643 | } | |
644 | ||
645 | static int btusb_open(struct hci_dev *hdev) | |
646 | { | |
155961e8 | 647 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
648 | int err; |
649 | ||
650 | BT_DBG("%s", hdev->name); | |
651 | ||
7bee549e ON |
652 | err = usb_autopm_get_interface(data->intf); |
653 | if (err < 0) | |
654 | return err; | |
655 | ||
656 | data->intf->needs_remote_wakeup = 1; | |
657 | ||
5e23b923 | 658 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 659 | goto done; |
5e23b923 MH |
660 | |
661 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 662 | goto done; |
5e23b923 | 663 | |
2eda66f4 | 664 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
665 | if (err < 0) |
666 | goto failed; | |
667 | ||
668 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 669 | if (err < 0) { |
43c2e57f MH |
670 | usb_kill_anchored_urbs(&data->intr_anchor); |
671 | goto failed; | |
5e23b923 MH |
672 | } |
673 | ||
43c2e57f MH |
674 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
675 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
676 | ||
7bee549e ON |
677 | done: |
678 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
679 | return 0; |
680 | ||
681 | failed: | |
682 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
683 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 684 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
685 | return err; |
686 | } | |
687 | ||
7bee549e ON |
688 | static void btusb_stop_traffic(struct btusb_data *data) |
689 | { | |
690 | usb_kill_anchored_urbs(&data->intr_anchor); | |
691 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
692 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
693 | } | |
694 | ||
5e23b923 MH |
695 | static int btusb_close(struct hci_dev *hdev) |
696 | { | |
155961e8 | 697 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 698 | int err; |
5e23b923 MH |
699 | |
700 | BT_DBG("%s", hdev->name); | |
701 | ||
702 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
703 | return 0; | |
704 | ||
e8c3c3d2 | 705 | cancel_work_sync(&data->work); |
404291ac | 706 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 707 | |
9bfa35fe | 708 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 709 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 710 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
711 | |
712 | btusb_stop_traffic(data); | |
713 | err = usb_autopm_get_interface(data->intf); | |
714 | if (err < 0) | |
7b8e2c1d | 715 | goto failed; |
7bee549e ON |
716 | |
717 | data->intf->needs_remote_wakeup = 0; | |
718 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 719 | |
7b8e2c1d ON |
720 | failed: |
721 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
722 | return 0; |
723 | } | |
724 | ||
725 | static int btusb_flush(struct hci_dev *hdev) | |
726 | { | |
155961e8 | 727 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
728 | |
729 | BT_DBG("%s", hdev->name); | |
730 | ||
731 | usb_kill_anchored_urbs(&data->tx_anchor); | |
732 | ||
733 | return 0; | |
734 | } | |
735 | ||
736 | static int btusb_send_frame(struct sk_buff *skb) | |
737 | { | |
738 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 739 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
740 | struct usb_ctrlrequest *dr; |
741 | struct urb *urb; | |
742 | unsigned int pipe; | |
743 | int err; | |
744 | ||
745 | BT_DBG("%s", hdev->name); | |
746 | ||
747 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
748 | return -EBUSY; | |
749 | ||
750 | switch (bt_cb(skb)->pkt_type) { | |
751 | case HCI_COMMAND_PKT: | |
752 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
753 | if (!urb) | |
754 | return -ENOMEM; | |
755 | ||
756 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
757 | if (!dr) { | |
758 | usb_free_urb(urb); | |
759 | return -ENOMEM; | |
760 | } | |
761 | ||
7a9d4020 | 762 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
763 | dr->bRequest = 0; |
764 | dr->wIndex = 0; | |
765 | dr->wValue = 0; | |
766 | dr->wLength = __cpu_to_le16(skb->len); | |
767 | ||
768 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
769 | ||
770 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
771 | skb->data, skb->len, btusb_tx_complete, skb); | |
772 | ||
773 | hdev->stat.cmd_tx++; | |
774 | break; | |
775 | ||
776 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 777 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
778 | return -ENODEV; |
779 | ||
5e23b923 MH |
780 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
781 | if (!urb) | |
782 | return -ENOMEM; | |
783 | ||
784 | pipe = usb_sndbulkpipe(data->udev, | |
785 | data->bulk_tx_ep->bEndpointAddress); | |
786 | ||
787 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
788 | skb->data, skb->len, btusb_tx_complete, skb); | |
789 | ||
790 | hdev->stat.acl_tx++; | |
791 | break; | |
792 | ||
793 | case HCI_SCODATA_PKT: | |
9bfa35fe MH |
794 | if (!data->isoc_tx_ep || hdev->conn_hash.sco_num < 1) |
795 | return -ENODEV; | |
796 | ||
797 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
798 | if (!urb) | |
799 | return -ENOMEM; | |
800 | ||
801 | pipe = usb_sndisocpipe(data->udev, | |
802 | data->isoc_tx_ep->bEndpointAddress); | |
803 | ||
03c2d0e8 GP |
804 | usb_fill_int_urb(urb, data->udev, pipe, |
805 | skb->data, skb->len, btusb_isoc_tx_complete, | |
806 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
807 | |
808 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
809 | |
810 | __fill_isoc_descriptor(urb, skb->len, | |
811 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
812 | ||
5e23b923 | 813 | hdev->stat.sco_tx++; |
7bee549e | 814 | goto skip_waking; |
5e23b923 MH |
815 | |
816 | default: | |
817 | return -EILSEQ; | |
818 | } | |
819 | ||
7bee549e ON |
820 | err = inc_tx(data); |
821 | if (err) { | |
822 | usb_anchor_urb(urb, &data->deferred); | |
823 | schedule_work(&data->waker); | |
824 | err = 0; | |
825 | goto done; | |
826 | } | |
827 | ||
828 | skip_waking: | |
5e23b923 MH |
829 | usb_anchor_urb(urb, &data->tx_anchor); |
830 | ||
831 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
832 | if (err < 0) { | |
5a9b80e2 PB |
833 | if (err != -EPERM && err != -ENODEV) |
834 | BT_ERR("%s urb %p submission failed (%d)", | |
835 | hdev->name, urb, -err); | |
5e23b923 MH |
836 | kfree(urb->setup_packet); |
837 | usb_unanchor_urb(urb); | |
7bee549e ON |
838 | } else { |
839 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
840 | } |
841 | ||
7bee549e | 842 | done: |
54a8a79c | 843 | usb_free_urb(urb); |
5e23b923 MH |
844 | return err; |
845 | } | |
846 | ||
5e23b923 MH |
847 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
848 | { | |
155961e8 | 849 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
850 | |
851 | BT_DBG("%s evt %d", hdev->name, evt); | |
852 | ||
43c2e57f MH |
853 | if (hdev->conn_hash.sco_num != data->sco_num) { |
854 | data->sco_num = hdev->conn_hash.sco_num; | |
855 | schedule_work(&data->work); | |
a780efa8 | 856 | } |
5e23b923 MH |
857 | } |
858 | ||
42b16b3f | 859 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 860 | { |
155961e8 | 861 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
862 | struct usb_interface *intf = data->isoc; |
863 | struct usb_endpoint_descriptor *ep_desc; | |
864 | int i, err; | |
865 | ||
866 | if (!data->isoc) | |
867 | return -ENODEV; | |
868 | ||
869 | err = usb_set_interface(data->udev, 1, altsetting); | |
870 | if (err < 0) { | |
871 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
872 | return err; | |
873 | } | |
874 | ||
875 | data->isoc_altsetting = altsetting; | |
876 | ||
877 | data->isoc_tx_ep = NULL; | |
878 | data->isoc_rx_ep = NULL; | |
879 | ||
880 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
881 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
882 | ||
883 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
884 | data->isoc_tx_ep = ep_desc; | |
885 | continue; | |
886 | } | |
887 | ||
888 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
889 | data->isoc_rx_ep = ep_desc; | |
890 | continue; | |
891 | } | |
892 | } | |
893 | ||
894 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
895 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
896 | return -ENODEV; | |
897 | } | |
898 | ||
899 | return 0; | |
900 | } | |
901 | ||
5e23b923 MH |
902 | static void btusb_work(struct work_struct *work) |
903 | { | |
904 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
905 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 906 | int new_alts; |
7bee549e | 907 | int err; |
5e23b923 | 908 | |
9bfa35fe | 909 | if (hdev->conn_hash.sco_num > 0) { |
08b8b6c4 | 910 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 911 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
912 | if (err < 0) { |
913 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
914 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
915 | return; | |
916 | } | |
917 | ||
08b8b6c4 | 918 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 919 | } |
f4001d28 MA |
920 | |
921 | if (hdev->voice_setting & 0x0020) { | |
922 | static const int alts[3] = { 2, 4, 5 }; | |
923 | new_alts = alts[hdev->conn_hash.sco_num - 1]; | |
924 | } else { | |
925 | new_alts = hdev->conn_hash.sco_num; | |
926 | } | |
927 | ||
928 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
929 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
930 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
931 | ||
f4001d28 | 932 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
933 | return; |
934 | } | |
935 | ||
936 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 937 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
938 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
939 | else | |
2eda66f4 | 940 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
941 | } |
942 | } else { | |
943 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
944 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
945 | ||
946 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 947 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 948 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
949 | } |
950 | } | |
951 | ||
7bee549e ON |
952 | static void btusb_waker(struct work_struct *work) |
953 | { | |
954 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
955 | int err; | |
956 | ||
957 | err = usb_autopm_get_interface(data->intf); | |
958 | if (err < 0) | |
959 | return; | |
960 | ||
961 | usb_autopm_put_interface(data->intf); | |
962 | } | |
963 | ||
9f8f962c MH |
964 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
965 | { | |
966 | struct sk_buff *skb; | |
967 | u8 val = 0x00; | |
968 | ||
969 | BT_DBG("%s", hdev->name); | |
970 | ||
971 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
972 | if (IS_ERR(skb)) | |
973 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
974 | else | |
975 | kfree_skb(skb); | |
976 | ||
977 | return 0; | |
978 | } | |
979 | ||
dffd30ee THJA |
980 | struct intel_version { |
981 | u8 status; | |
982 | u8 hw_platform; | |
983 | u8 hw_variant; | |
984 | u8 hw_revision; | |
985 | u8 fw_variant; | |
986 | u8 fw_revision; | |
987 | u8 fw_build_num; | |
988 | u8 fw_build_ww; | |
989 | u8 fw_build_yy; | |
990 | u8 fw_patch_num; | |
991 | } __packed; | |
992 | ||
993 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
994 | struct intel_version *ver) | |
995 | { | |
996 | const struct firmware *fw; | |
997 | char fwname[64]; | |
998 | int ret; | |
999 | ||
1000 | snprintf(fwname, sizeof(fwname), | |
1001 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1002 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1003 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1004 | ver->fw_build_ww, ver->fw_build_yy); | |
1005 | ||
1006 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1007 | if (ret < 0) { | |
1008 | if (ret == -EINVAL) { | |
1009 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1010 | hdev->name, ret); | |
1011 | return NULL; | |
1012 | } | |
1013 | ||
1014 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1015 | hdev->name, fwname, ret); | |
1016 | ||
1017 | /* If the correct firmware patch file is not found, use the | |
1018 | * default firmware patch file instead | |
1019 | */ | |
1020 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1021 | ver->hw_platform, ver->hw_variant); | |
1022 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1023 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1024 | hdev->name, fwname); | |
1025 | return NULL; | |
1026 | } | |
1027 | } | |
1028 | ||
1029 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1030 | ||
1031 | return fw; | |
1032 | } | |
1033 | ||
1034 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1035 | const struct firmware *fw, | |
1036 | const u8 **fw_ptr, int *disable_patch) | |
1037 | { | |
1038 | struct sk_buff *skb; | |
1039 | struct hci_command_hdr *cmd; | |
1040 | const u8 *cmd_param; | |
1041 | struct hci_event_hdr *evt = NULL; | |
1042 | const u8 *evt_param = NULL; | |
1043 | int remain = fw->size - (*fw_ptr - fw->data); | |
1044 | ||
1045 | /* The first byte indicates the types of the patch command or event. | |
1046 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1047 | * in the current firmware buffer doesn't start with 0x01 or | |
1048 | * the size of remain buffer is smaller than HCI command header, | |
1049 | * the firmware file is corrupted and it should stop the patching | |
1050 | * process. | |
1051 | */ | |
1052 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1053 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1054 | return -EINVAL; | |
1055 | } | |
1056 | (*fw_ptr)++; | |
1057 | remain--; | |
1058 | ||
1059 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1060 | *fw_ptr += sizeof(*cmd); | |
1061 | remain -= sizeof(*cmd); | |
1062 | ||
1063 | /* Ensure that the remain firmware data is long enough than the length | |
1064 | * of command parameter. If not, the firmware file is corrupted. | |
1065 | */ | |
1066 | if (remain < cmd->plen) { | |
1067 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1068 | return -EFAULT; | |
1069 | } | |
1070 | ||
1071 | /* If there is a command that loads a patch in the firmware | |
1072 | * file, then enable the patch upon success, otherwise just | |
1073 | * disable the manufacturer mode, for example patch activation | |
1074 | * is not required when the default firmware patch file is used | |
1075 | * because there are no patch data to load. | |
1076 | */ | |
1077 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1078 | *disable_patch = 0; | |
1079 | ||
1080 | cmd_param = *fw_ptr; | |
1081 | *fw_ptr += cmd->plen; | |
1082 | remain -= cmd->plen; | |
1083 | ||
1084 | /* This reads the expected events when the above command is sent to the | |
1085 | * device. Some vendor commands expects more than one events, for | |
1086 | * example command status event followed by vendor specific event. | |
1087 | * For this case, it only keeps the last expected event. so the command | |
1088 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1089 | * last expected event. | |
1090 | */ | |
1091 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1092 | (*fw_ptr)++; | |
1093 | remain--; | |
1094 | ||
1095 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1096 | *fw_ptr += sizeof(*evt); | |
1097 | remain -= sizeof(*evt); | |
1098 | ||
1099 | if (remain < evt->plen) { | |
1100 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1101 | hdev->name); | |
1102 | return -EFAULT; | |
1103 | } | |
1104 | ||
1105 | evt_param = *fw_ptr; | |
1106 | *fw_ptr += evt->plen; | |
1107 | remain -= evt->plen; | |
1108 | } | |
1109 | ||
1110 | /* Every HCI commands in the firmware file has its correspond event. | |
1111 | * If event is not found or remain is smaller than zero, the firmware | |
1112 | * file is corrupted. | |
1113 | */ | |
1114 | if (!evt || !evt_param || remain < 0) { | |
1115 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1116 | return -EFAULT; | |
1117 | } | |
1118 | ||
1119 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1120 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1121 | if (IS_ERR(skb)) { | |
1122 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1123 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
ea788759 | 1124 | return PTR_ERR(skb); |
dffd30ee THJA |
1125 | } |
1126 | ||
1127 | /* It ensures that the returned event matches the event data read from | |
1128 | * the firmware file. At fist, it checks the length and then | |
1129 | * the contents of the event. | |
1130 | */ | |
1131 | if (skb->len != evt->plen) { | |
1132 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1133 | le16_to_cpu(cmd->opcode)); | |
1134 | kfree_skb(skb); | |
1135 | return -EFAULT; | |
1136 | } | |
1137 | ||
1138 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1139 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1140 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1141 | kfree_skb(skb); | |
1142 | return -EFAULT; | |
1143 | } | |
1144 | kfree_skb(skb); | |
1145 | ||
1146 | return 0; | |
1147 | } | |
1148 | ||
1149 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1150 | { | |
1151 | struct sk_buff *skb; | |
1152 | const struct firmware *fw; | |
1153 | const u8 *fw_ptr; | |
1154 | int disable_patch; | |
1155 | struct intel_version *ver; | |
1156 | ||
1157 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1158 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1159 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1160 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1161 | ||
1162 | BT_DBG("%s", hdev->name); | |
1163 | ||
1164 | /* The controller has a bug with the first HCI command sent to it | |
1165 | * returning number of completed commands as zero. This would stall the | |
1166 | * command processing in the Bluetooth core. | |
1167 | * | |
1168 | * As a workaround, send HCI Reset command first which will reset the | |
1169 | * number of completed commands and allow normal command processing | |
1170 | * from now on. | |
1171 | */ | |
1172 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1173 | if (IS_ERR(skb)) { | |
1174 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1175 | hdev->name, PTR_ERR(skb)); | |
ea788759 | 1176 | return PTR_ERR(skb); |
dffd30ee THJA |
1177 | } |
1178 | kfree_skb(skb); | |
1179 | ||
1180 | /* Read Intel specific controller version first to allow selection of | |
1181 | * which firmware file to load. | |
1182 | * | |
1183 | * The returned information are hardware variant and revision plus | |
1184 | * firmware variant, revision and build number. | |
1185 | */ | |
1186 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1187 | if (IS_ERR(skb)) { | |
1188 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1189 | hdev->name, PTR_ERR(skb)); | |
ea788759 | 1190 | return PTR_ERR(skb); |
dffd30ee THJA |
1191 | } |
1192 | ||
1193 | if (skb->len != sizeof(*ver)) { | |
1194 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1195 | kfree_skb(skb); | |
1196 | return -EIO; | |
1197 | } | |
1198 | ||
1199 | ver = (struct intel_version *)skb->data; | |
1200 | if (ver->status) { | |
1201 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1202 | ver->status); | |
1203 | kfree_skb(skb); | |
1204 | return -bt_to_errno(ver->status); | |
1205 | } | |
1206 | ||
1207 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1208 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1209 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1210 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1211 | ver->fw_patch_num); | |
1212 | ||
1213 | /* fw_patch_num indicates the version of patch the device currently | |
1214 | * have. If there is no patch data in the device, it is always 0x00. | |
1215 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1216 | */ | |
1217 | if (ver->fw_patch_num) { | |
1218 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1219 | hdev->name, ver->fw_patch_num); | |
1220 | kfree_skb(skb); | |
1221 | return 0; | |
1222 | } | |
1223 | ||
1224 | /* Opens the firmware patch file based on the firmware version read | |
1225 | * from the controller. If it fails to open the matching firmware | |
1226 | * patch file, it tries to open the default firmware patch file. | |
1227 | * If no patch file is found, allow the device to operate without | |
1228 | * a patch. | |
1229 | */ | |
1230 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1231 | if (!fw) { | |
1232 | kfree_skb(skb); | |
1233 | return 0; | |
1234 | } | |
1235 | fw_ptr = fw->data; | |
1236 | ||
0a912f15 MH |
1237 | kfree_skb(skb); |
1238 | ||
dffd30ee THJA |
1239 | /* This Intel specific command enables the manufacturer mode of the |
1240 | * controller. | |
1241 | * | |
1242 | * Only while this mode is enabled, the driver can download the | |
1243 | * firmware patch data and configuration parameters. | |
1244 | */ | |
1245 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1246 | if (IS_ERR(skb)) { | |
1247 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1248 | hdev->name, PTR_ERR(skb)); | |
1249 | release_firmware(fw); | |
ea788759 | 1250 | return PTR_ERR(skb); |
dffd30ee THJA |
1251 | } |
1252 | ||
1253 | if (skb->data[0]) { | |
1254 | u8 evt_status = skb->data[0]; | |
1255 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", | |
1256 | hdev->name, evt_status); | |
1257 | kfree_skb(skb); | |
1258 | release_firmware(fw); | |
1259 | return -bt_to_errno(evt_status); | |
1260 | } | |
1261 | kfree_skb(skb); | |
1262 | ||
1263 | disable_patch = 1; | |
1264 | ||
1265 | /* The firmware data file consists of list of Intel specific HCI | |
1266 | * commands and its expected events. The first byte indicates the | |
1267 | * type of the message, either HCI command or HCI event. | |
1268 | * | |
1269 | * It reads the command and its expected event from the firmware file, | |
1270 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1271 | * the returned event is compared with the event read from the firmware | |
1272 | * file and it will continue until all the messages are downloaded to | |
1273 | * the controller. | |
1274 | * | |
1275 | * Once the firmware patching is completed successfully, | |
1276 | * the manufacturer mode is disabled with reset and activating the | |
1277 | * downloaded patch. | |
1278 | * | |
1279 | * If the firmware patching fails, the manufacturer mode is | |
1280 | * disabled with reset and deactivating the patch. | |
1281 | * | |
1282 | * If the default patch file is used, no reset is done when disabling | |
1283 | * the manufacturer. | |
1284 | */ | |
1285 | while (fw->size > fw_ptr - fw->data) { | |
1286 | int ret; | |
1287 | ||
1288 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1289 | &disable_patch); | |
1290 | if (ret < 0) | |
1291 | goto exit_mfg_deactivate; | |
1292 | } | |
1293 | ||
1294 | release_firmware(fw); | |
1295 | ||
1296 | if (disable_patch) | |
1297 | goto exit_mfg_disable; | |
1298 | ||
1299 | /* Patching completed successfully and disable the manufacturer mode | |
1300 | * with reset and activate the downloaded firmware patches. | |
1301 | */ | |
1302 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1303 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1304 | if (IS_ERR(skb)) { | |
1305 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1306 | hdev->name, PTR_ERR(skb)); | |
ea788759 | 1307 | return PTR_ERR(skb); |
dffd30ee THJA |
1308 | } |
1309 | kfree_skb(skb); | |
1310 | ||
1311 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1312 | hdev->name); | |
1313 | ||
1314 | return 0; | |
1315 | ||
1316 | exit_mfg_disable: | |
1317 | /* Disable the manufacturer mode without reset */ | |
1318 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1319 | HCI_INIT_TIMEOUT); | |
1320 | if (IS_ERR(skb)) { | |
1321 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1322 | hdev->name, PTR_ERR(skb)); | |
ea788759 | 1323 | return PTR_ERR(skb); |
dffd30ee THJA |
1324 | } |
1325 | kfree_skb(skb); | |
1326 | ||
1327 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
1328 | return 0; | |
1329 | ||
1330 | exit_mfg_deactivate: | |
1331 | release_firmware(fw); | |
1332 | ||
1333 | /* Patching failed. Disable the manufacturer mode with reset and | |
1334 | * deactivate the downloaded firmware patches. | |
1335 | */ | |
1336 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1337 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1338 | if (IS_ERR(skb)) { | |
1339 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1340 | hdev->name, PTR_ERR(skb)); | |
ea788759 | 1341 | return PTR_ERR(skb); |
dffd30ee THJA |
1342 | } |
1343 | kfree_skb(skb); | |
1344 | ||
1345 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1346 | hdev->name); | |
1347 | ||
1348 | return 0; | |
1349 | } | |
1350 | ||
5e23b923 MH |
1351 | static int btusb_probe(struct usb_interface *intf, |
1352 | const struct usb_device_id *id) | |
1353 | { | |
1354 | struct usb_endpoint_descriptor *ep_desc; | |
1355 | struct btusb_data *data; | |
1356 | struct hci_dev *hdev; | |
1357 | int i, err; | |
1358 | ||
1359 | BT_DBG("intf %p id %p", intf, id); | |
1360 | ||
cfeb4145 | 1361 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1362 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1363 | return -ENODEV; | |
1364 | ||
1365 | if (!id->driver_info) { | |
1366 | const struct usb_device_id *match; | |
1367 | match = usb_match_id(intf, blacklist_table); | |
1368 | if (match) | |
1369 | id = match; | |
1370 | } | |
1371 | ||
cfeb4145 MH |
1372 | if (id->driver_info == BTUSB_IGNORE) |
1373 | return -ENODEV; | |
1374 | ||
1375 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
1376 | return -ENODEV; | |
1377 | ||
1378 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
1379 | return -ENODEV; | |
1380 | ||
1381 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
1382 | return -ENODEV; | |
1383 | ||
2d25f8b4 SL |
1384 | if (id->driver_info & BTUSB_ATH3012) { |
1385 | struct usb_device *udev = interface_to_usbdev(intf); | |
1386 | ||
1387 | /* Old firmware would otherwise let ath3k driver load | |
1388 | * patch and sysconfig files */ | |
1389 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
1390 | return -ENODEV; | |
1391 | } | |
1392 | ||
98921dbd | 1393 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
1394 | if (!data) |
1395 | return -ENOMEM; | |
1396 | ||
1397 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1398 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1399 | ||
1400 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1401 | data->intr_ep = ep_desc; | |
1402 | continue; | |
1403 | } | |
1404 | ||
1405 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1406 | data->bulk_tx_ep = ep_desc; | |
1407 | continue; | |
1408 | } | |
1409 | ||
1410 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1411 | data->bulk_rx_ep = ep_desc; | |
1412 | continue; | |
1413 | } | |
1414 | } | |
1415 | ||
98921dbd | 1416 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 1417 | return -ENODEV; |
5e23b923 | 1418 | |
7a9d4020 MH |
1419 | data->cmdreq_type = USB_TYPE_CLASS; |
1420 | ||
5e23b923 | 1421 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 1422 | data->intf = intf; |
5e23b923 MH |
1423 | |
1424 | spin_lock_init(&data->lock); | |
1425 | ||
1426 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
1427 | INIT_WORK(&data->waker, btusb_waker); |
1428 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
1429 | |
1430 | init_usb_anchor(&data->tx_anchor); | |
1431 | init_usb_anchor(&data->intr_anchor); | |
1432 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1433 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1434 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1435 | |
1436 | hdev = hci_alloc_dev(); | |
98921dbd | 1437 | if (!hdev) |
5e23b923 | 1438 | return -ENOMEM; |
5e23b923 | 1439 | |
c13854ce | 1440 | hdev->bus = HCI_USB; |
155961e8 | 1441 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1442 | |
1443 | data->hdev = hdev; | |
1444 | ||
1445 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1446 | ||
9f8f962c MH |
1447 | hdev->open = btusb_open; |
1448 | hdev->close = btusb_close; | |
1449 | hdev->flush = btusb_flush; | |
1450 | hdev->send = btusb_send_frame; | |
1451 | hdev->notify = btusb_notify; | |
1452 | ||
1453 | if (id->driver_info & BTUSB_BCM92035) | |
1454 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 1455 | |
dffd30ee THJA |
1456 | if (id->driver_info & BTUSB_INTEL) |
1457 | hdev->setup = btusb_setup_intel; | |
1458 | ||
54108649 MH |
1459 | if (id->driver_info & BTUSB_INTEL_BOOT) |
1460 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
1461 | ||
7a9d4020 | 1462 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1463 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1464 | ||
7a9d4020 | 1465 | if (!reset) |
a6c511c6 | 1466 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1467 | |
1468 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1469 | if (!disable_scofix) | |
1470 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1471 | } | |
1472 | ||
9bfa35fe MH |
1473 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1474 | data->isoc = NULL; | |
1475 | ||
7a9d4020 MH |
1476 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1477 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1478 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1479 | } |
1480 | ||
1481 | if (id->driver_info & BTUSB_CSR) { | |
1482 | struct usb_device *udev = data->udev; | |
1483 | ||
1484 | /* Old firmware would otherwise execute USB reset */ | |
1485 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
a6c511c6 | 1486 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1487 | } |
1488 | ||
cfeb4145 | 1489 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1490 | struct usb_device *udev = data->udev; |
cfeb4145 | 1491 | |
7a9d4020 | 1492 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1493 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1494 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1495 | |
1496 | data->isoc = NULL; | |
cfeb4145 MH |
1497 | } |
1498 | ||
9bfa35fe MH |
1499 | if (data->isoc) { |
1500 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1501 | data->isoc, data); |
9bfa35fe MH |
1502 | if (err < 0) { |
1503 | hci_free_dev(hdev); | |
9bfa35fe MH |
1504 | return err; |
1505 | } | |
1506 | } | |
1507 | ||
5e23b923 MH |
1508 | err = hci_register_dev(hdev); |
1509 | if (err < 0) { | |
1510 | hci_free_dev(hdev); | |
5e23b923 MH |
1511 | return err; |
1512 | } | |
1513 | ||
1514 | usb_set_intfdata(intf, data); | |
1515 | ||
1516 | return 0; | |
1517 | } | |
1518 | ||
1519 | static void btusb_disconnect(struct usb_interface *intf) | |
1520 | { | |
1521 | struct btusb_data *data = usb_get_intfdata(intf); | |
1522 | struct hci_dev *hdev; | |
1523 | ||
1524 | BT_DBG("intf %p", intf); | |
1525 | ||
1526 | if (!data) | |
1527 | return; | |
1528 | ||
1529 | hdev = data->hdev; | |
5fbcd260 MH |
1530 | usb_set_intfdata(data->intf, NULL); |
1531 | ||
1532 | if (data->isoc) | |
1533 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1534 | |
1535 | hci_unregister_dev(hdev); | |
1536 | ||
5fbcd260 MH |
1537 | if (intf == data->isoc) |
1538 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1539 | else if (data->isoc) | |
1540 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1541 | ||
5e23b923 MH |
1542 | hci_free_dev(hdev); |
1543 | } | |
1544 | ||
7bee549e | 1545 | #ifdef CONFIG_PM |
6a88adf2 MH |
1546 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1547 | { | |
1548 | struct btusb_data *data = usb_get_intfdata(intf); | |
1549 | ||
1550 | BT_DBG("intf %p", intf); | |
1551 | ||
1552 | if (data->suspend_count++) | |
1553 | return 0; | |
1554 | ||
7bee549e | 1555 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1556 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1557 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1558 | spin_unlock_irq(&data->txlock); | |
1559 | } else { | |
1560 | spin_unlock_irq(&data->txlock); | |
1561 | data->suspend_count--; | |
1562 | return -EBUSY; | |
1563 | } | |
1564 | ||
6a88adf2 MH |
1565 | cancel_work_sync(&data->work); |
1566 | ||
7bee549e | 1567 | btusb_stop_traffic(data); |
6a88adf2 MH |
1568 | usb_kill_anchored_urbs(&data->tx_anchor); |
1569 | ||
6a88adf2 MH |
1570 | return 0; |
1571 | } | |
1572 | ||
7bee549e ON |
1573 | static void play_deferred(struct btusb_data *data) |
1574 | { | |
1575 | struct urb *urb; | |
1576 | int err; | |
1577 | ||
1578 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1579 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1580 | if (err < 0) | |
1581 | break; | |
1582 | ||
1583 | data->tx_in_flight++; | |
1584 | } | |
1585 | usb_scuttle_anchored_urbs(&data->deferred); | |
1586 | } | |
1587 | ||
6a88adf2 MH |
1588 | static int btusb_resume(struct usb_interface *intf) |
1589 | { | |
1590 | struct btusb_data *data = usb_get_intfdata(intf); | |
1591 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1592 | int err = 0; |
6a88adf2 MH |
1593 | |
1594 | BT_DBG("intf %p", intf); | |
1595 | ||
1596 | if (--data->suspend_count) | |
1597 | return 0; | |
1598 | ||
1599 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1600 | goto done; |
6a88adf2 MH |
1601 | |
1602 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1603 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1604 | if (err < 0) { | |
1605 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1606 | goto failed; |
6a88adf2 MH |
1607 | } |
1608 | } | |
1609 | ||
1610 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1611 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1612 | if (err < 0) { | |
6a88adf2 | 1613 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1614 | goto failed; |
1615 | } | |
1616 | ||
1617 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1618 | } |
1619 | ||
1620 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1621 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1622 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1623 | else | |
1624 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1625 | } | |
1626 | ||
7bee549e ON |
1627 | spin_lock_irq(&data->txlock); |
1628 | play_deferred(data); | |
1629 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1630 | spin_unlock_irq(&data->txlock); | |
1631 | schedule_work(&data->work); | |
1632 | ||
6a88adf2 | 1633 | return 0; |
7bee549e ON |
1634 | |
1635 | failed: | |
1636 | usb_scuttle_anchored_urbs(&data->deferred); | |
1637 | done: | |
1638 | spin_lock_irq(&data->txlock); | |
1639 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1640 | spin_unlock_irq(&data->txlock); | |
1641 | ||
1642 | return err; | |
6a88adf2 | 1643 | } |
7bee549e | 1644 | #endif |
6a88adf2 | 1645 | |
5e23b923 MH |
1646 | static struct usb_driver btusb_driver = { |
1647 | .name = "btusb", | |
1648 | .probe = btusb_probe, | |
1649 | .disconnect = btusb_disconnect, | |
7bee549e | 1650 | #ifdef CONFIG_PM |
6a88adf2 MH |
1651 | .suspend = btusb_suspend, |
1652 | .resume = btusb_resume, | |
7bee549e | 1653 | #endif |
5e23b923 | 1654 | .id_table = btusb_table, |
7bee549e | 1655 | .supports_autosuspend = 1, |
e1f12eb6 | 1656 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1657 | }; |
1658 | ||
93f1508c | 1659 | module_usb_driver(btusb_driver); |
5e23b923 | 1660 | |
cfeb4145 MH |
1661 | module_param(ignore_dga, bool, 0644); |
1662 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1663 | ||
1664 | module_param(ignore_csr, bool, 0644); | |
1665 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1666 | ||
1667 | module_param(ignore_sniffer, bool, 0644); | |
1668 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1669 | ||
1670 | module_param(disable_scofix, bool, 0644); | |
1671 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1672 | ||
1673 | module_param(force_scofix, bool, 0644); | |
1674 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1675 | ||
1676 | module_param(reset, bool, 0644); | |
1677 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1678 | ||
5e23b923 MH |
1679 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1680 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1681 | MODULE_VERSION(VERSION); | |
1682 | MODULE_LICENSE("GPL"); |