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Commit | Line | Data |
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5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 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 | 52 | |
54265202 | 53 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
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 | ||
54265202 | 124 | static const 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 }, |
bd0fca1b | 153 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, |
87522a43 | 154 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 155 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 156 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
6c4ae5c2 | 157 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
2096ae6c | 158 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
eed307e2 | 159 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
3a61eda8 | 160 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
2582d529 | 161 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
0fc110f4 | 162 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
84eb2ae1 | 163 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 164 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
1ebd0b21 | 165 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
1d5b569e | 166 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
35580d22 | 167 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 168 | |
e9036e33 CYC |
169 | /* Atheros AR5BBU12 with sflash firmware */ |
170 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
171 | ||
85d59726 MG |
172 | /* Atheros AR5BBU12 with sflash firmware */ |
173 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, | |
bc21fde2 | 174 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 175 | |
cfeb4145 | 176 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
177 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
178 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
179 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
180 | |
181 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
182 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
183 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 184 | |
cfeb4145 | 185 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
186 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
187 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
188 | |
189 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 190 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
191 | |
192 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 193 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 194 | |
5ddd4a60 | 195 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 196 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 197 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 198 | |
7a9d4020 MH |
199 | /* Belkin F8T012 and F8T013 devices */ |
200 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
201 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 202 | |
5ddd4a60 MH |
203 | /* Asus WL-BTD202 device */ |
204 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
205 | ||
206 | /* Kensington Bluetooth USB adapter */ | |
207 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
208 | ||
cfeb4145 MH |
209 | /* RTX Telecom based adapters with buggy SCO support */ |
210 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
211 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
212 | ||
213 | /* CONWISE Technology based adapters with buggy SCO support */ | |
214 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
215 | ||
cfeb4145 MH |
216 | /* Digianswer devices */ |
217 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
218 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
219 | ||
220 | /* CSR BlueCore Bluetooth Sniffer */ | |
221 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
222 | ||
223 | /* Frontline ComProbe Bluetooth Sniffer */ | |
224 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
225 | ||
dffd30ee THJA |
226 | /* Intel Bluetooth device */ |
227 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
ef4e5e4a | 228 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
dffd30ee | 229 | |
5e23b923 MH |
230 | { } /* Terminating entry */ |
231 | }; | |
232 | ||
9bfa35fe MH |
233 | #define BTUSB_MAX_ISOC_FRAMES 10 |
234 | ||
5e23b923 MH |
235 | #define BTUSB_INTR_RUNNING 0 |
236 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 237 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 238 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 239 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
240 | |
241 | struct btusb_data { | |
242 | struct hci_dev *hdev; | |
243 | struct usb_device *udev; | |
5fbcd260 | 244 | struct usb_interface *intf; |
9bfa35fe | 245 | struct usb_interface *isoc; |
5e23b923 MH |
246 | |
247 | spinlock_t lock; | |
248 | ||
249 | unsigned long flags; | |
250 | ||
251 | struct work_struct work; | |
7bee549e | 252 | struct work_struct waker; |
5e23b923 MH |
253 | |
254 | struct usb_anchor tx_anchor; | |
255 | struct usb_anchor intr_anchor; | |
256 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 257 | struct usb_anchor isoc_anchor; |
7bee549e ON |
258 | struct usb_anchor deferred; |
259 | int tx_in_flight; | |
260 | spinlock_t txlock; | |
5e23b923 MH |
261 | |
262 | struct usb_endpoint_descriptor *intr_ep; | |
263 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
264 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
265 | struct usb_endpoint_descriptor *isoc_tx_ep; |
266 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
267 | ||
7a9d4020 MH |
268 | __u8 cmdreq_type; |
269 | ||
43c2e57f | 270 | unsigned int sco_num; |
9bfa35fe | 271 | int isoc_altsetting; |
6a88adf2 | 272 | int suspend_count; |
5e23b923 MH |
273 | }; |
274 | ||
7bee549e ON |
275 | static int inc_tx(struct btusb_data *data) |
276 | { | |
277 | unsigned long flags; | |
278 | int rv; | |
279 | ||
280 | spin_lock_irqsave(&data->txlock, flags); | |
281 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
282 | if (!rv) | |
283 | data->tx_in_flight++; | |
284 | spin_unlock_irqrestore(&data->txlock, flags); | |
285 | ||
286 | return rv; | |
287 | } | |
288 | ||
5e23b923 MH |
289 | static void btusb_intr_complete(struct urb *urb) |
290 | { | |
291 | struct hci_dev *hdev = urb->context; | |
155961e8 | 292 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
293 | int err; |
294 | ||
295 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
296 | urb, urb->status, urb->actual_length); | |
297 | ||
298 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
299 | return; | |
300 | ||
301 | if (urb->status == 0) { | |
9bfa35fe MH |
302 | hdev->stat.byte_rx += urb->actual_length; |
303 | ||
5e23b923 MH |
304 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
305 | urb->transfer_buffer, | |
306 | urb->actual_length) < 0) { | |
307 | BT_ERR("%s corrupted event packet", hdev->name); | |
308 | hdev->stat.err_rx++; | |
309 | } | |
310 | } | |
311 | ||
312 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
313 | return; | |
314 | ||
7bee549e | 315 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
316 | usb_anchor_urb(urb, &data->intr_anchor); |
317 | ||
318 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
319 | if (err < 0) { | |
4935f1c1 PB |
320 | /* -EPERM: urb is being killed; |
321 | * -ENODEV: device got disconnected */ | |
322 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 323 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
324 | hdev->name, urb, -err); |
325 | usb_unanchor_urb(urb); | |
326 | } | |
327 | } | |
328 | ||
2eda66f4 | 329 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 330 | { |
155961e8 | 331 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
332 | struct urb *urb; |
333 | unsigned char *buf; | |
334 | unsigned int pipe; | |
335 | int err, size; | |
336 | ||
337 | BT_DBG("%s", hdev->name); | |
338 | ||
9bfa35fe MH |
339 | if (!data->intr_ep) |
340 | return -ENODEV; | |
341 | ||
2eda66f4 | 342 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
343 | if (!urb) |
344 | return -ENOMEM; | |
345 | ||
346 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
347 | ||
2eda66f4 | 348 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
349 | if (!buf) { |
350 | usb_free_urb(urb); | |
351 | return -ENOMEM; | |
352 | } | |
353 | ||
354 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
355 | ||
356 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
357 | btusb_intr_complete, hdev, | |
358 | data->intr_ep->bInterval); | |
359 | ||
360 | urb->transfer_flags |= URB_FREE_BUFFER; | |
361 | ||
362 | usb_anchor_urb(urb, &data->intr_anchor); | |
363 | ||
2eda66f4 | 364 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 365 | if (err < 0) { |
d4b8d1c9 PB |
366 | if (err != -EPERM && err != -ENODEV) |
367 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
368 | hdev->name, urb, -err); |
369 | usb_unanchor_urb(urb); | |
5e23b923 MH |
370 | } |
371 | ||
372 | usb_free_urb(urb); | |
373 | ||
374 | return err; | |
375 | } | |
376 | ||
377 | static void btusb_bulk_complete(struct urb *urb) | |
378 | { | |
379 | struct hci_dev *hdev = urb->context; | |
155961e8 | 380 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
381 | int err; |
382 | ||
383 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
384 | urb, urb->status, urb->actual_length); | |
385 | ||
386 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
387 | return; | |
388 | ||
389 | if (urb->status == 0) { | |
9bfa35fe MH |
390 | hdev->stat.byte_rx += urb->actual_length; |
391 | ||
5e23b923 MH |
392 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
393 | urb->transfer_buffer, | |
394 | urb->actual_length) < 0) { | |
395 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
396 | hdev->stat.err_rx++; | |
397 | } | |
398 | } | |
399 | ||
400 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
401 | return; | |
402 | ||
403 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 404 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
405 | |
406 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
407 | if (err < 0) { | |
4935f1c1 PB |
408 | /* -EPERM: urb is being killed; |
409 | * -ENODEV: device got disconnected */ | |
410 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 411 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
412 | hdev->name, urb, -err); |
413 | usb_unanchor_urb(urb); | |
414 | } | |
415 | } | |
416 | ||
2eda66f4 | 417 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 418 | { |
155961e8 | 419 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
420 | struct urb *urb; |
421 | unsigned char *buf; | |
422 | unsigned int pipe; | |
290ba200 | 423 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
424 | |
425 | BT_DBG("%s", hdev->name); | |
426 | ||
9bfa35fe MH |
427 | if (!data->bulk_rx_ep) |
428 | return -ENODEV; | |
429 | ||
2eda66f4 | 430 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
431 | if (!urb) |
432 | return -ENOMEM; | |
433 | ||
2eda66f4 | 434 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
435 | if (!buf) { |
436 | usb_free_urb(urb); | |
437 | return -ENOMEM; | |
438 | } | |
439 | ||
440 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
441 | ||
442 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
443 | buf, size, btusb_bulk_complete, hdev); | |
444 | ||
445 | urb->transfer_flags |= URB_FREE_BUFFER; | |
446 | ||
7bee549e | 447 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
448 | usb_anchor_urb(urb, &data->bulk_anchor); |
449 | ||
2eda66f4 | 450 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 451 | if (err < 0) { |
d4b8d1c9 PB |
452 | if (err != -EPERM && err != -ENODEV) |
453 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
454 | hdev->name, urb, -err); |
455 | usb_unanchor_urb(urb); | |
5e23b923 MH |
456 | } |
457 | ||
458 | usb_free_urb(urb); | |
459 | ||
460 | return err; | |
461 | } | |
462 | ||
9bfa35fe MH |
463 | static void btusb_isoc_complete(struct urb *urb) |
464 | { | |
465 | struct hci_dev *hdev = urb->context; | |
155961e8 | 466 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
467 | int i, err; |
468 | ||
469 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
470 | urb, urb->status, urb->actual_length); | |
471 | ||
472 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
473 | return; | |
474 | ||
475 | if (urb->status == 0) { | |
476 | for (i = 0; i < urb->number_of_packets; i++) { | |
477 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
478 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
479 | ||
480 | if (urb->iso_frame_desc[i].status) | |
481 | continue; | |
482 | ||
483 | hdev->stat.byte_rx += length; | |
484 | ||
485 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
486 | urb->transfer_buffer + offset, | |
487 | length) < 0) { | |
488 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
489 | hdev->stat.err_rx++; | |
490 | } | |
491 | } | |
492 | } | |
493 | ||
494 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
495 | return; | |
496 | ||
497 | usb_anchor_urb(urb, &data->isoc_anchor); | |
498 | ||
499 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
500 | if (err < 0) { | |
4935f1c1 PB |
501 | /* -EPERM: urb is being killed; |
502 | * -ENODEV: device got disconnected */ | |
503 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 504 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
505 | hdev->name, urb, -err); |
506 | usb_unanchor_urb(urb); | |
507 | } | |
508 | } | |
509 | ||
42b16b3f | 510 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
511 | { |
512 | int i, offset = 0; | |
513 | ||
514 | BT_DBG("len %d mtu %d", len, mtu); | |
515 | ||
516 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
517 | i++, offset += mtu, len -= mtu) { | |
518 | urb->iso_frame_desc[i].offset = offset; | |
519 | urb->iso_frame_desc[i].length = mtu; | |
520 | } | |
521 | ||
522 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
523 | urb->iso_frame_desc[i].offset = offset; | |
524 | urb->iso_frame_desc[i].length = len; | |
525 | i++; | |
526 | } | |
527 | ||
528 | urb->number_of_packets = i; | |
529 | } | |
530 | ||
2eda66f4 | 531 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 532 | { |
155961e8 | 533 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
534 | struct urb *urb; |
535 | unsigned char *buf; | |
536 | unsigned int pipe; | |
537 | int err, size; | |
538 | ||
539 | BT_DBG("%s", hdev->name); | |
540 | ||
541 | if (!data->isoc_rx_ep) | |
542 | return -ENODEV; | |
543 | ||
2eda66f4 | 544 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
545 | if (!urb) |
546 | return -ENOMEM; | |
547 | ||
548 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
549 | BTUSB_MAX_ISOC_FRAMES; | |
550 | ||
2eda66f4 | 551 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
552 | if (!buf) { |
553 | usb_free_urb(urb); | |
554 | return -ENOMEM; | |
555 | } | |
556 | ||
557 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
558 | ||
fa0fb93f BZ |
559 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
560 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
561 | |
562 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
563 | |
564 | __fill_isoc_descriptor(urb, size, | |
565 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
566 | ||
567 | usb_anchor_urb(urb, &data->isoc_anchor); | |
568 | ||
2eda66f4 | 569 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 570 | if (err < 0) { |
d4b8d1c9 PB |
571 | if (err != -EPERM && err != -ENODEV) |
572 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
573 | hdev->name, urb, -err); |
574 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
575 | } |
576 | ||
577 | usb_free_urb(urb); | |
578 | ||
579 | return err; | |
580 | } | |
581 | ||
5e23b923 | 582 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
583 | { |
584 | struct sk_buff *skb = urb->context; | |
585 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 586 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
587 | |
588 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
589 | urb, urb->status, urb->actual_length); | |
590 | ||
591 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
592 | goto done; | |
593 | ||
594 | if (!urb->status) | |
595 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
596 | else | |
597 | hdev->stat.err_tx++; | |
598 | ||
599 | done: | |
600 | spin_lock(&data->txlock); | |
601 | data->tx_in_flight--; | |
602 | spin_unlock(&data->txlock); | |
603 | ||
604 | kfree(urb->setup_packet); | |
605 | ||
606 | kfree_skb(skb); | |
607 | } | |
608 | ||
609 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
610 | { |
611 | struct sk_buff *skb = urb->context; | |
612 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
613 | ||
614 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
615 | urb, urb->status, urb->actual_length); | |
616 | ||
617 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
618 | goto done; | |
619 | ||
620 | if (!urb->status) | |
621 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
622 | else | |
623 | hdev->stat.err_tx++; | |
624 | ||
625 | done: | |
626 | kfree(urb->setup_packet); | |
627 | ||
628 | kfree_skb(skb); | |
629 | } | |
630 | ||
631 | static int btusb_open(struct hci_dev *hdev) | |
632 | { | |
155961e8 | 633 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
634 | int err; |
635 | ||
636 | BT_DBG("%s", hdev->name); | |
637 | ||
7bee549e ON |
638 | err = usb_autopm_get_interface(data->intf); |
639 | if (err < 0) | |
640 | return err; | |
641 | ||
642 | data->intf->needs_remote_wakeup = 1; | |
643 | ||
5e23b923 | 644 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 645 | goto done; |
5e23b923 MH |
646 | |
647 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 648 | goto done; |
5e23b923 | 649 | |
2eda66f4 | 650 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
651 | if (err < 0) |
652 | goto failed; | |
653 | ||
654 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 655 | if (err < 0) { |
43c2e57f MH |
656 | usb_kill_anchored_urbs(&data->intr_anchor); |
657 | goto failed; | |
5e23b923 MH |
658 | } |
659 | ||
43c2e57f MH |
660 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
661 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
662 | ||
7bee549e ON |
663 | done: |
664 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
665 | return 0; |
666 | ||
667 | failed: | |
668 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
669 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 670 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
671 | return err; |
672 | } | |
673 | ||
7bee549e ON |
674 | static void btusb_stop_traffic(struct btusb_data *data) |
675 | { | |
676 | usb_kill_anchored_urbs(&data->intr_anchor); | |
677 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
678 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
679 | } | |
680 | ||
5e23b923 MH |
681 | static int btusb_close(struct hci_dev *hdev) |
682 | { | |
155961e8 | 683 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 684 | int err; |
5e23b923 MH |
685 | |
686 | BT_DBG("%s", hdev->name); | |
687 | ||
688 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
689 | return 0; | |
690 | ||
e8c3c3d2 | 691 | cancel_work_sync(&data->work); |
404291ac | 692 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 693 | |
9bfa35fe | 694 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 695 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 696 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
697 | |
698 | btusb_stop_traffic(data); | |
699 | err = usb_autopm_get_interface(data->intf); | |
700 | if (err < 0) | |
7b8e2c1d | 701 | goto failed; |
7bee549e ON |
702 | |
703 | data->intf->needs_remote_wakeup = 0; | |
704 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 705 | |
7b8e2c1d ON |
706 | failed: |
707 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
708 | return 0; |
709 | } | |
710 | ||
711 | static int btusb_flush(struct hci_dev *hdev) | |
712 | { | |
155961e8 | 713 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
714 | |
715 | BT_DBG("%s", hdev->name); | |
716 | ||
717 | usb_kill_anchored_urbs(&data->tx_anchor); | |
718 | ||
719 | return 0; | |
720 | } | |
721 | ||
7bd8f09f | 722 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 723 | { |
155961e8 | 724 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
725 | struct usb_ctrlrequest *dr; |
726 | struct urb *urb; | |
727 | unsigned int pipe; | |
728 | int err; | |
729 | ||
730 | BT_DBG("%s", hdev->name); | |
731 | ||
732 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
733 | return -EBUSY; | |
734 | ||
7bd8f09f MH |
735 | skb->dev = (void *) hdev; |
736 | ||
5e23b923 MH |
737 | switch (bt_cb(skb)->pkt_type) { |
738 | case HCI_COMMAND_PKT: | |
739 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
740 | if (!urb) | |
741 | return -ENOMEM; | |
742 | ||
743 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
744 | if (!dr) { | |
745 | usb_free_urb(urb); | |
746 | return -ENOMEM; | |
747 | } | |
748 | ||
7a9d4020 | 749 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
750 | dr->bRequest = 0; |
751 | dr->wIndex = 0; | |
752 | dr->wValue = 0; | |
753 | dr->wLength = __cpu_to_le16(skb->len); | |
754 | ||
755 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
756 | ||
757 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
758 | skb->data, skb->len, btusb_tx_complete, skb); | |
759 | ||
760 | hdev->stat.cmd_tx++; | |
761 | break; | |
762 | ||
763 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 764 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
765 | return -ENODEV; |
766 | ||
5e23b923 MH |
767 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
768 | if (!urb) | |
769 | return -ENOMEM; | |
770 | ||
771 | pipe = usb_sndbulkpipe(data->udev, | |
772 | data->bulk_tx_ep->bEndpointAddress); | |
773 | ||
774 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
775 | skb->data, skb->len, btusb_tx_complete, skb); | |
776 | ||
777 | hdev->stat.acl_tx++; | |
778 | break; | |
779 | ||
780 | case HCI_SCODATA_PKT: | |
014f7bc7 | 781 | if (!data->isoc_tx_ep || hci_conn_num(hdev, SCO_LINK) < 1) |
9bfa35fe MH |
782 | return -ENODEV; |
783 | ||
784 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
785 | if (!urb) | |
786 | return -ENOMEM; | |
787 | ||
788 | pipe = usb_sndisocpipe(data->udev, | |
789 | data->isoc_tx_ep->bEndpointAddress); | |
790 | ||
03c2d0e8 GP |
791 | usb_fill_int_urb(urb, data->udev, pipe, |
792 | skb->data, skb->len, btusb_isoc_tx_complete, | |
793 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
794 | |
795 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
796 | |
797 | __fill_isoc_descriptor(urb, skb->len, | |
798 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
799 | ||
5e23b923 | 800 | hdev->stat.sco_tx++; |
7bee549e | 801 | goto skip_waking; |
5e23b923 MH |
802 | |
803 | default: | |
804 | return -EILSEQ; | |
805 | } | |
806 | ||
7bee549e ON |
807 | err = inc_tx(data); |
808 | if (err) { | |
809 | usb_anchor_urb(urb, &data->deferred); | |
810 | schedule_work(&data->waker); | |
811 | err = 0; | |
812 | goto done; | |
813 | } | |
814 | ||
815 | skip_waking: | |
5e23b923 MH |
816 | usb_anchor_urb(urb, &data->tx_anchor); |
817 | ||
818 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
819 | if (err < 0) { | |
5a9b80e2 PB |
820 | if (err != -EPERM && err != -ENODEV) |
821 | BT_ERR("%s urb %p submission failed (%d)", | |
822 | hdev->name, urb, -err); | |
5e23b923 MH |
823 | kfree(urb->setup_packet); |
824 | usb_unanchor_urb(urb); | |
7bee549e ON |
825 | } else { |
826 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
827 | } |
828 | ||
7bee549e | 829 | done: |
54a8a79c | 830 | usb_free_urb(urb); |
5e23b923 MH |
831 | return err; |
832 | } | |
833 | ||
5e23b923 MH |
834 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
835 | { | |
155961e8 | 836 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
837 | |
838 | BT_DBG("%s evt %d", hdev->name, evt); | |
839 | ||
014f7bc7 MH |
840 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
841 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 842 | schedule_work(&data->work); |
a780efa8 | 843 | } |
5e23b923 MH |
844 | } |
845 | ||
42b16b3f | 846 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 847 | { |
155961e8 | 848 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
849 | struct usb_interface *intf = data->isoc; |
850 | struct usb_endpoint_descriptor *ep_desc; | |
851 | int i, err; | |
852 | ||
853 | if (!data->isoc) | |
854 | return -ENODEV; | |
855 | ||
856 | err = usb_set_interface(data->udev, 1, altsetting); | |
857 | if (err < 0) { | |
858 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
859 | return err; | |
860 | } | |
861 | ||
862 | data->isoc_altsetting = altsetting; | |
863 | ||
864 | data->isoc_tx_ep = NULL; | |
865 | data->isoc_rx_ep = NULL; | |
866 | ||
867 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
868 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
869 | ||
870 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
871 | data->isoc_tx_ep = ep_desc; | |
872 | continue; | |
873 | } | |
874 | ||
875 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
876 | data->isoc_rx_ep = ep_desc; | |
877 | continue; | |
878 | } | |
879 | } | |
880 | ||
881 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
882 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
883 | return -ENODEV; | |
884 | } | |
885 | ||
886 | return 0; | |
887 | } | |
888 | ||
5e23b923 MH |
889 | static void btusb_work(struct work_struct *work) |
890 | { | |
891 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
892 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 893 | int new_alts; |
7bee549e | 894 | int err; |
5e23b923 | 895 | |
014f7bc7 | 896 | if (data->sco_num > 0) { |
08b8b6c4 | 897 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 898 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
899 | if (err < 0) { |
900 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
901 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
902 | return; | |
903 | } | |
904 | ||
08b8b6c4 | 905 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 906 | } |
f4001d28 MA |
907 | |
908 | if (hdev->voice_setting & 0x0020) { | |
909 | static const int alts[3] = { 2, 4, 5 }; | |
014f7bc7 | 910 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 911 | } else { |
014f7bc7 | 912 | new_alts = data->sco_num; |
f4001d28 MA |
913 | } |
914 | ||
915 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
916 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
917 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
918 | ||
f4001d28 | 919 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
920 | return; |
921 | } | |
922 | ||
923 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 924 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
925 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
926 | else | |
2eda66f4 | 927 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
928 | } |
929 | } else { | |
930 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
931 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
932 | ||
933 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 934 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 935 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
936 | } |
937 | } | |
938 | ||
7bee549e ON |
939 | static void btusb_waker(struct work_struct *work) |
940 | { | |
941 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
942 | int err; | |
943 | ||
944 | err = usb_autopm_get_interface(data->intf); | |
945 | if (err < 0) | |
946 | return; | |
947 | ||
948 | usb_autopm_put_interface(data->intf); | |
949 | } | |
950 | ||
9f8f962c MH |
951 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
952 | { | |
953 | struct sk_buff *skb; | |
954 | u8 val = 0x00; | |
955 | ||
956 | BT_DBG("%s", hdev->name); | |
957 | ||
958 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
959 | if (IS_ERR(skb)) | |
960 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
961 | else | |
962 | kfree_skb(skb); | |
963 | ||
964 | return 0; | |
965 | } | |
966 | ||
dffd30ee THJA |
967 | struct intel_version { |
968 | u8 status; | |
969 | u8 hw_platform; | |
970 | u8 hw_variant; | |
971 | u8 hw_revision; | |
972 | u8 fw_variant; | |
973 | u8 fw_revision; | |
974 | u8 fw_build_num; | |
975 | u8 fw_build_ww; | |
976 | u8 fw_build_yy; | |
977 | u8 fw_patch_num; | |
978 | } __packed; | |
979 | ||
980 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
981 | struct intel_version *ver) | |
982 | { | |
983 | const struct firmware *fw; | |
984 | char fwname[64]; | |
985 | int ret; | |
986 | ||
987 | snprintf(fwname, sizeof(fwname), | |
988 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
989 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
990 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
991 | ver->fw_build_ww, ver->fw_build_yy); | |
992 | ||
993 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
994 | if (ret < 0) { | |
995 | if (ret == -EINVAL) { | |
996 | BT_ERR("%s Intel firmware file request failed (%d)", | |
997 | hdev->name, ret); | |
998 | return NULL; | |
999 | } | |
1000 | ||
1001 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1002 | hdev->name, fwname, ret); | |
1003 | ||
1004 | /* If the correct firmware patch file is not found, use the | |
1005 | * default firmware patch file instead | |
1006 | */ | |
1007 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1008 | ver->hw_platform, ver->hw_variant); | |
1009 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1010 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1011 | hdev->name, fwname); | |
1012 | return NULL; | |
1013 | } | |
1014 | } | |
1015 | ||
1016 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1017 | ||
1018 | return fw; | |
1019 | } | |
1020 | ||
1021 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1022 | const struct firmware *fw, | |
1023 | const u8 **fw_ptr, int *disable_patch) | |
1024 | { | |
1025 | struct sk_buff *skb; | |
1026 | struct hci_command_hdr *cmd; | |
1027 | const u8 *cmd_param; | |
1028 | struct hci_event_hdr *evt = NULL; | |
1029 | const u8 *evt_param = NULL; | |
1030 | int remain = fw->size - (*fw_ptr - fw->data); | |
1031 | ||
1032 | /* The first byte indicates the types of the patch command or event. | |
1033 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1034 | * in the current firmware buffer doesn't start with 0x01 or | |
1035 | * the size of remain buffer is smaller than HCI command header, | |
1036 | * the firmware file is corrupted and it should stop the patching | |
1037 | * process. | |
1038 | */ | |
1039 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1040 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1041 | return -EINVAL; | |
1042 | } | |
1043 | (*fw_ptr)++; | |
1044 | remain--; | |
1045 | ||
1046 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1047 | *fw_ptr += sizeof(*cmd); | |
1048 | remain -= sizeof(*cmd); | |
1049 | ||
1050 | /* Ensure that the remain firmware data is long enough than the length | |
1051 | * of command parameter. If not, the firmware file is corrupted. | |
1052 | */ | |
1053 | if (remain < cmd->plen) { | |
1054 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1055 | return -EFAULT; | |
1056 | } | |
1057 | ||
1058 | /* If there is a command that loads a patch in the firmware | |
1059 | * file, then enable the patch upon success, otherwise just | |
1060 | * disable the manufacturer mode, for example patch activation | |
1061 | * is not required when the default firmware patch file is used | |
1062 | * because there are no patch data to load. | |
1063 | */ | |
1064 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1065 | *disable_patch = 0; | |
1066 | ||
1067 | cmd_param = *fw_ptr; | |
1068 | *fw_ptr += cmd->plen; | |
1069 | remain -= cmd->plen; | |
1070 | ||
1071 | /* This reads the expected events when the above command is sent to the | |
1072 | * device. Some vendor commands expects more than one events, for | |
1073 | * example command status event followed by vendor specific event. | |
1074 | * For this case, it only keeps the last expected event. so the command | |
1075 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1076 | * last expected event. | |
1077 | */ | |
1078 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1079 | (*fw_ptr)++; | |
1080 | remain--; | |
1081 | ||
1082 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1083 | *fw_ptr += sizeof(*evt); | |
1084 | remain -= sizeof(*evt); | |
1085 | ||
1086 | if (remain < evt->plen) { | |
1087 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1088 | hdev->name); | |
1089 | return -EFAULT; | |
1090 | } | |
1091 | ||
1092 | evt_param = *fw_ptr; | |
1093 | *fw_ptr += evt->plen; | |
1094 | remain -= evt->plen; | |
1095 | } | |
1096 | ||
1097 | /* Every HCI commands in the firmware file has its correspond event. | |
1098 | * If event is not found or remain is smaller than zero, the firmware | |
1099 | * file is corrupted. | |
1100 | */ | |
1101 | if (!evt || !evt_param || remain < 0) { | |
1102 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1103 | return -EFAULT; | |
1104 | } | |
1105 | ||
1106 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1107 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1108 | if (IS_ERR(skb)) { | |
1109 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1110 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1111 | return PTR_ERR(skb); |
dffd30ee THJA |
1112 | } |
1113 | ||
1114 | /* It ensures that the returned event matches the event data read from | |
1115 | * the firmware file. At fist, it checks the length and then | |
1116 | * the contents of the event. | |
1117 | */ | |
1118 | if (skb->len != evt->plen) { | |
1119 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1120 | le16_to_cpu(cmd->opcode)); | |
1121 | kfree_skb(skb); | |
1122 | return -EFAULT; | |
1123 | } | |
1124 | ||
1125 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1126 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1127 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1128 | kfree_skb(skb); | |
1129 | return -EFAULT; | |
1130 | } | |
1131 | kfree_skb(skb); | |
1132 | ||
1133 | return 0; | |
1134 | } | |
1135 | ||
1136 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1137 | { | |
1138 | struct sk_buff *skb; | |
1139 | const struct firmware *fw; | |
1140 | const u8 *fw_ptr; | |
1141 | int disable_patch; | |
1142 | struct intel_version *ver; | |
1143 | ||
1144 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1145 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1146 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1147 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1148 | ||
1149 | BT_DBG("%s", hdev->name); | |
1150 | ||
1151 | /* The controller has a bug with the first HCI command sent to it | |
1152 | * returning number of completed commands as zero. This would stall the | |
1153 | * command processing in the Bluetooth core. | |
1154 | * | |
1155 | * As a workaround, send HCI Reset command first which will reset the | |
1156 | * number of completed commands and allow normal command processing | |
1157 | * from now on. | |
1158 | */ | |
1159 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1160 | if (IS_ERR(skb)) { | |
1161 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1162 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1163 | return PTR_ERR(skb); |
dffd30ee THJA |
1164 | } |
1165 | kfree_skb(skb); | |
1166 | ||
1167 | /* Read Intel specific controller version first to allow selection of | |
1168 | * which firmware file to load. | |
1169 | * | |
1170 | * The returned information are hardware variant and revision plus | |
1171 | * firmware variant, revision and build number. | |
1172 | */ | |
1173 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1174 | if (IS_ERR(skb)) { | |
1175 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1176 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1177 | return PTR_ERR(skb); |
dffd30ee THJA |
1178 | } |
1179 | ||
1180 | if (skb->len != sizeof(*ver)) { | |
1181 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1182 | kfree_skb(skb); | |
1183 | return -EIO; | |
1184 | } | |
1185 | ||
1186 | ver = (struct intel_version *)skb->data; | |
1187 | if (ver->status) { | |
1188 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1189 | ver->status); | |
1190 | kfree_skb(skb); | |
1191 | return -bt_to_errno(ver->status); | |
1192 | } | |
1193 | ||
1194 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1195 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1196 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1197 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1198 | ver->fw_patch_num); | |
1199 | ||
1200 | /* fw_patch_num indicates the version of patch the device currently | |
1201 | * have. If there is no patch data in the device, it is always 0x00. | |
1202 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1203 | */ | |
1204 | if (ver->fw_patch_num) { | |
1205 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1206 | hdev->name, ver->fw_patch_num); | |
1207 | kfree_skb(skb); | |
1208 | return 0; | |
1209 | } | |
1210 | ||
1211 | /* Opens the firmware patch file based on the firmware version read | |
1212 | * from the controller. If it fails to open the matching firmware | |
1213 | * patch file, it tries to open the default firmware patch file. | |
1214 | * If no patch file is found, allow the device to operate without | |
1215 | * a patch. | |
1216 | */ | |
1217 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1218 | if (!fw) { | |
1219 | kfree_skb(skb); | |
1220 | return 0; | |
1221 | } | |
1222 | fw_ptr = fw->data; | |
1223 | ||
1224 | /* This Intel specific command enables the manufacturer mode of the | |
1225 | * controller. | |
1226 | * | |
1227 | * Only while this mode is enabled, the driver can download the | |
1228 | * firmware patch data and configuration parameters. | |
1229 | */ | |
1230 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1231 | if (IS_ERR(skb)) { | |
1232 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1233 | hdev->name, PTR_ERR(skb)); | |
1234 | release_firmware(fw); | |
d9c78e97 | 1235 | return PTR_ERR(skb); |
dffd30ee THJA |
1236 | } |
1237 | ||
1238 | if (skb->data[0]) { | |
1239 | u8 evt_status = skb->data[0]; | |
1240 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", | |
1241 | hdev->name, evt_status); | |
1242 | kfree_skb(skb); | |
1243 | release_firmware(fw); | |
1244 | return -bt_to_errno(evt_status); | |
1245 | } | |
1246 | kfree_skb(skb); | |
1247 | ||
1248 | disable_patch = 1; | |
1249 | ||
1250 | /* The firmware data file consists of list of Intel specific HCI | |
1251 | * commands and its expected events. The first byte indicates the | |
1252 | * type of the message, either HCI command or HCI event. | |
1253 | * | |
1254 | * It reads the command and its expected event from the firmware file, | |
1255 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1256 | * the returned event is compared with the event read from the firmware | |
1257 | * file and it will continue until all the messages are downloaded to | |
1258 | * the controller. | |
1259 | * | |
1260 | * Once the firmware patching is completed successfully, | |
1261 | * the manufacturer mode is disabled with reset and activating the | |
1262 | * downloaded patch. | |
1263 | * | |
1264 | * If the firmware patching fails, the manufacturer mode is | |
1265 | * disabled with reset and deactivating the patch. | |
1266 | * | |
1267 | * If the default patch file is used, no reset is done when disabling | |
1268 | * the manufacturer. | |
1269 | */ | |
1270 | while (fw->size > fw_ptr - fw->data) { | |
1271 | int ret; | |
1272 | ||
1273 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1274 | &disable_patch); | |
1275 | if (ret < 0) | |
1276 | goto exit_mfg_deactivate; | |
1277 | } | |
1278 | ||
1279 | release_firmware(fw); | |
1280 | ||
1281 | if (disable_patch) | |
1282 | goto exit_mfg_disable; | |
1283 | ||
1284 | /* Patching completed successfully and disable the manufacturer mode | |
1285 | * with reset and activate the downloaded firmware patches. | |
1286 | */ | |
1287 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1288 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1289 | if (IS_ERR(skb)) { | |
1290 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1291 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1292 | return PTR_ERR(skb); |
dffd30ee THJA |
1293 | } |
1294 | kfree_skb(skb); | |
1295 | ||
1296 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1297 | hdev->name); | |
1298 | ||
1299 | return 0; | |
1300 | ||
1301 | exit_mfg_disable: | |
1302 | /* Disable the manufacturer mode without reset */ | |
1303 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1304 | HCI_INIT_TIMEOUT); | |
1305 | if (IS_ERR(skb)) { | |
1306 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1307 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1308 | return PTR_ERR(skb); |
dffd30ee THJA |
1309 | } |
1310 | kfree_skb(skb); | |
1311 | ||
1312 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
1313 | return 0; | |
1314 | ||
1315 | exit_mfg_deactivate: | |
1316 | release_firmware(fw); | |
1317 | ||
1318 | /* Patching failed. Disable the manufacturer mode with reset and | |
1319 | * deactivate the downloaded firmware patches. | |
1320 | */ | |
1321 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1322 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1323 | if (IS_ERR(skb)) { | |
1324 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1325 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1326 | return PTR_ERR(skb); |
dffd30ee THJA |
1327 | } |
1328 | kfree_skb(skb); | |
1329 | ||
1330 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1331 | hdev->name); | |
1332 | ||
1333 | return 0; | |
1334 | } | |
1335 | ||
5e23b923 MH |
1336 | static int btusb_probe(struct usb_interface *intf, |
1337 | const struct usb_device_id *id) | |
1338 | { | |
1339 | struct usb_endpoint_descriptor *ep_desc; | |
1340 | struct btusb_data *data; | |
1341 | struct hci_dev *hdev; | |
1342 | int i, err; | |
1343 | ||
1344 | BT_DBG("intf %p id %p", intf, id); | |
1345 | ||
cfeb4145 | 1346 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1347 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1348 | return -ENODEV; | |
1349 | ||
1350 | if (!id->driver_info) { | |
1351 | const struct usb_device_id *match; | |
1352 | match = usb_match_id(intf, blacklist_table); | |
1353 | if (match) | |
1354 | id = match; | |
1355 | } | |
1356 | ||
cfeb4145 MH |
1357 | if (id->driver_info == BTUSB_IGNORE) |
1358 | return -ENODEV; | |
1359 | ||
1360 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
1361 | return -ENODEV; | |
1362 | ||
1363 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
1364 | return -ENODEV; | |
1365 | ||
1366 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
1367 | return -ENODEV; | |
1368 | ||
2d25f8b4 SL |
1369 | if (id->driver_info & BTUSB_ATH3012) { |
1370 | struct usb_device *udev = interface_to_usbdev(intf); | |
1371 | ||
1372 | /* Old firmware would otherwise let ath3k driver load | |
1373 | * patch and sysconfig files */ | |
1374 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
1375 | return -ENODEV; | |
1376 | } | |
1377 | ||
98921dbd | 1378 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
1379 | if (!data) |
1380 | return -ENOMEM; | |
1381 | ||
1382 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1383 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1384 | ||
1385 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1386 | data->intr_ep = ep_desc; | |
1387 | continue; | |
1388 | } | |
1389 | ||
1390 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1391 | data->bulk_tx_ep = ep_desc; | |
1392 | continue; | |
1393 | } | |
1394 | ||
1395 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1396 | data->bulk_rx_ep = ep_desc; | |
1397 | continue; | |
1398 | } | |
1399 | } | |
1400 | ||
98921dbd | 1401 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 1402 | return -ENODEV; |
5e23b923 | 1403 | |
7a9d4020 MH |
1404 | data->cmdreq_type = USB_TYPE_CLASS; |
1405 | ||
5e23b923 | 1406 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 1407 | data->intf = intf; |
5e23b923 MH |
1408 | |
1409 | spin_lock_init(&data->lock); | |
1410 | ||
1411 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
1412 | INIT_WORK(&data->waker, btusb_waker); |
1413 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
1414 | |
1415 | init_usb_anchor(&data->tx_anchor); | |
1416 | init_usb_anchor(&data->intr_anchor); | |
1417 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1418 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1419 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1420 | |
1421 | hdev = hci_alloc_dev(); | |
98921dbd | 1422 | if (!hdev) |
5e23b923 | 1423 | return -ENOMEM; |
5e23b923 | 1424 | |
c13854ce | 1425 | hdev->bus = HCI_USB; |
155961e8 | 1426 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1427 | |
1428 | data->hdev = hdev; | |
1429 | ||
1430 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1431 | ||
9f8f962c MH |
1432 | hdev->open = btusb_open; |
1433 | hdev->close = btusb_close; | |
1434 | hdev->flush = btusb_flush; | |
1435 | hdev->send = btusb_send_frame; | |
1436 | hdev->notify = btusb_notify; | |
1437 | ||
1438 | if (id->driver_info & BTUSB_BCM92035) | |
1439 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 1440 | |
d2bee8fb THJA |
1441 | if (id->driver_info & BTUSB_INTEL) { |
1442 | usb_enable_autosuspend(data->udev); | |
dffd30ee | 1443 | hdev->setup = btusb_setup_intel; |
d2bee8fb | 1444 | } |
dffd30ee | 1445 | |
7a9d4020 | 1446 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1447 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1448 | ||
7a9d4020 | 1449 | if (!reset) |
a6c511c6 | 1450 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1451 | |
1452 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1453 | if (!disable_scofix) | |
1454 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1455 | } | |
1456 | ||
9bfa35fe MH |
1457 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1458 | data->isoc = NULL; | |
1459 | ||
7a9d4020 MH |
1460 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1461 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1462 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1463 | } |
1464 | ||
1465 | if (id->driver_info & BTUSB_CSR) { | |
1466 | struct usb_device *udev = data->udev; | |
1467 | ||
1468 | /* Old firmware would otherwise execute USB reset */ | |
1469 | if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x117) | |
a6c511c6 | 1470 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1471 | } |
1472 | ||
cfeb4145 | 1473 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1474 | struct usb_device *udev = data->udev; |
cfeb4145 | 1475 | |
7a9d4020 | 1476 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1477 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1478 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1479 | |
1480 | data->isoc = NULL; | |
cfeb4145 MH |
1481 | } |
1482 | ||
9bfa35fe MH |
1483 | if (data->isoc) { |
1484 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1485 | data->isoc, data); |
9bfa35fe MH |
1486 | if (err < 0) { |
1487 | hci_free_dev(hdev); | |
9bfa35fe MH |
1488 | return err; |
1489 | } | |
1490 | } | |
1491 | ||
5e23b923 MH |
1492 | err = hci_register_dev(hdev); |
1493 | if (err < 0) { | |
1494 | hci_free_dev(hdev); | |
5e23b923 MH |
1495 | return err; |
1496 | } | |
1497 | ||
1498 | usb_set_intfdata(intf, data); | |
1499 | ||
1500 | return 0; | |
1501 | } | |
1502 | ||
1503 | static void btusb_disconnect(struct usb_interface *intf) | |
1504 | { | |
1505 | struct btusb_data *data = usb_get_intfdata(intf); | |
1506 | struct hci_dev *hdev; | |
1507 | ||
1508 | BT_DBG("intf %p", intf); | |
1509 | ||
1510 | if (!data) | |
1511 | return; | |
1512 | ||
1513 | hdev = data->hdev; | |
5fbcd260 MH |
1514 | usb_set_intfdata(data->intf, NULL); |
1515 | ||
1516 | if (data->isoc) | |
1517 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1518 | |
1519 | hci_unregister_dev(hdev); | |
1520 | ||
5fbcd260 MH |
1521 | if (intf == data->isoc) |
1522 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1523 | else if (data->isoc) | |
1524 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1525 | ||
5e23b923 MH |
1526 | hci_free_dev(hdev); |
1527 | } | |
1528 | ||
7bee549e | 1529 | #ifdef CONFIG_PM |
6a88adf2 MH |
1530 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1531 | { | |
1532 | struct btusb_data *data = usb_get_intfdata(intf); | |
1533 | ||
1534 | BT_DBG("intf %p", intf); | |
1535 | ||
1536 | if (data->suspend_count++) | |
1537 | return 0; | |
1538 | ||
7bee549e | 1539 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1540 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1541 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1542 | spin_unlock_irq(&data->txlock); | |
1543 | } else { | |
1544 | spin_unlock_irq(&data->txlock); | |
1545 | data->suspend_count--; | |
1546 | return -EBUSY; | |
1547 | } | |
1548 | ||
6a88adf2 MH |
1549 | cancel_work_sync(&data->work); |
1550 | ||
7bee549e | 1551 | btusb_stop_traffic(data); |
6a88adf2 MH |
1552 | usb_kill_anchored_urbs(&data->tx_anchor); |
1553 | ||
6a88adf2 MH |
1554 | return 0; |
1555 | } | |
1556 | ||
7bee549e ON |
1557 | static void play_deferred(struct btusb_data *data) |
1558 | { | |
1559 | struct urb *urb; | |
1560 | int err; | |
1561 | ||
1562 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1563 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1564 | if (err < 0) | |
1565 | break; | |
1566 | ||
1567 | data->tx_in_flight++; | |
1568 | } | |
1569 | usb_scuttle_anchored_urbs(&data->deferred); | |
1570 | } | |
1571 | ||
6a88adf2 MH |
1572 | static int btusb_resume(struct usb_interface *intf) |
1573 | { | |
1574 | struct btusb_data *data = usb_get_intfdata(intf); | |
1575 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1576 | int err = 0; |
6a88adf2 MH |
1577 | |
1578 | BT_DBG("intf %p", intf); | |
1579 | ||
1580 | if (--data->suspend_count) | |
1581 | return 0; | |
1582 | ||
1583 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1584 | goto done; |
6a88adf2 MH |
1585 | |
1586 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1587 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1588 | if (err < 0) { | |
1589 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1590 | goto failed; |
6a88adf2 MH |
1591 | } |
1592 | } | |
1593 | ||
1594 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1595 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1596 | if (err < 0) { | |
6a88adf2 | 1597 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1598 | goto failed; |
1599 | } | |
1600 | ||
1601 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1602 | } |
1603 | ||
1604 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1605 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1606 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1607 | else | |
1608 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1609 | } | |
1610 | ||
7bee549e ON |
1611 | spin_lock_irq(&data->txlock); |
1612 | play_deferred(data); | |
1613 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1614 | spin_unlock_irq(&data->txlock); | |
1615 | schedule_work(&data->work); | |
1616 | ||
6a88adf2 | 1617 | return 0; |
7bee549e ON |
1618 | |
1619 | failed: | |
1620 | usb_scuttle_anchored_urbs(&data->deferred); | |
1621 | done: | |
1622 | spin_lock_irq(&data->txlock); | |
1623 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1624 | spin_unlock_irq(&data->txlock); | |
1625 | ||
1626 | return err; | |
6a88adf2 | 1627 | } |
7bee549e | 1628 | #endif |
6a88adf2 | 1629 | |
5e23b923 MH |
1630 | static struct usb_driver btusb_driver = { |
1631 | .name = "btusb", | |
1632 | .probe = btusb_probe, | |
1633 | .disconnect = btusb_disconnect, | |
7bee549e | 1634 | #ifdef CONFIG_PM |
6a88adf2 MH |
1635 | .suspend = btusb_suspend, |
1636 | .resume = btusb_resume, | |
7bee549e | 1637 | #endif |
5e23b923 | 1638 | .id_table = btusb_table, |
7bee549e | 1639 | .supports_autosuspend = 1, |
e1f12eb6 | 1640 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1641 | }; |
1642 | ||
93f1508c | 1643 | module_usb_driver(btusb_driver); |
5e23b923 | 1644 | |
cfeb4145 MH |
1645 | module_param(ignore_dga, bool, 0644); |
1646 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1647 | ||
1648 | module_param(ignore_csr, bool, 0644); | |
1649 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1650 | ||
1651 | module_param(ignore_sniffer, bool, 0644); | |
1652 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1653 | ||
1654 | module_param(disable_scofix, bool, 0644); | |
1655 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1656 | ||
1657 | module_param(force_scofix, bool, 0644); | |
1658 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1659 | ||
1660 | module_param(reset, bool, 0644); | |
1661 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1662 | ||
5e23b923 MH |
1663 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1664 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1665 | MODULE_VERSION(VERSION); | |
1666 | MODULE_LICENSE("GPL"); |