Commit | Line | Data |
---|---|---|
5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 25 | #include <linux/usb.h> |
dffd30ee | 26 | #include <linux/firmware.h> |
5e23b923 MH |
27 | |
28 | #include <net/bluetooth/bluetooth.h> | |
29 | #include <net/bluetooth/hci_core.h> | |
30 | ||
7bee549e | 31 | #define VERSION "0.6" |
cfeb4145 | 32 | |
90ab5ee9 RR |
33 | static bool ignore_dga; |
34 | static bool ignore_csr; | |
35 | static bool ignore_sniffer; | |
36 | static bool disable_scofix; | |
37 | static bool force_scofix; | |
7a9d4020 | 38 | |
90ab5ee9 | 39 | static bool reset = 1; |
cfeb4145 MH |
40 | |
41 | static struct usb_driver btusb_driver; | |
42 | ||
43 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
44 | #define BTUSB_DIGIANSWER 0x02 |
45 | #define BTUSB_CSR 0x04 | |
46 | #define BTUSB_SNIFFER 0x08 | |
47 | #define BTUSB_BCM92035 0x10 | |
48 | #define BTUSB_BROKEN_ISOC 0x20 | |
49 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 50 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 51 | #define BTUSB_INTEL 0x100 |
5e23b923 | 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 }, |
b131237c | 147 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 148 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
9498ba7a | 149 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
3f63c340 | 150 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
55ed7d4d | 151 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
2c262b2a | 152 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
f4d6f7dc | 153 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
bd0fca1b | 154 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, |
87522a43 | 155 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 156 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 157 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
6c4ae5c2 | 158 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
bd0976dd | 159 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
2096ae6c | 160 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
eed307e2 | 161 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
3a61eda8 | 162 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
2582d529 | 163 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
0fc110f4 | 164 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
84eb2ae1 | 165 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 166 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
1ebd0b21 | 167 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
1d5b569e | 168 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
35580d22 | 169 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 170 | |
e9036e33 CYC |
171 | /* Atheros AR5BBU12 with sflash firmware */ |
172 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
173 | ||
85d59726 MG |
174 | /* Atheros AR5BBU12 with sflash firmware */ |
175 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, | |
bc21fde2 | 176 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 177 | |
cfeb4145 | 178 | /* Broadcom BCM2035 */ |
7a9d4020 MH |
179 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, |
180 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
181 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, | |
cfeb4145 MH |
182 | |
183 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
184 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
185 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 186 | |
cfeb4145 | 187 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
188 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
189 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
190 | |
191 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 192 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
193 | |
194 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 195 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 196 | |
5ddd4a60 | 197 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 198 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 199 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 200 | |
7a9d4020 MH |
201 | /* Belkin F8T012 and F8T013 devices */ |
202 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
203 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 204 | |
5ddd4a60 MH |
205 | /* Asus WL-BTD202 device */ |
206 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
207 | ||
208 | /* Kensington Bluetooth USB adapter */ | |
209 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
210 | ||
cfeb4145 MH |
211 | /* RTX Telecom based adapters with buggy SCO support */ |
212 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
213 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
214 | ||
215 | /* CONWISE Technology based adapters with buggy SCO support */ | |
216 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
217 | ||
cfeb4145 MH |
218 | /* Digianswer devices */ |
219 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
220 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
221 | ||
222 | /* CSR BlueCore Bluetooth Sniffer */ | |
223 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
224 | ||
225 | /* Frontline ComProbe Bluetooth Sniffer */ | |
226 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
227 | ||
dffd30ee THJA |
228 | /* Intel Bluetooth device */ |
229 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
ef4e5e4a | 230 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
dffd30ee | 231 | |
5e23b923 MH |
232 | { } /* Terminating entry */ |
233 | }; | |
234 | ||
9bfa35fe MH |
235 | #define BTUSB_MAX_ISOC_FRAMES 10 |
236 | ||
5e23b923 MH |
237 | #define BTUSB_INTR_RUNNING 0 |
238 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 239 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 240 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 241 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
242 | |
243 | struct btusb_data { | |
244 | struct hci_dev *hdev; | |
245 | struct usb_device *udev; | |
5fbcd260 | 246 | struct usb_interface *intf; |
9bfa35fe | 247 | struct usb_interface *isoc; |
5e23b923 MH |
248 | |
249 | spinlock_t lock; | |
250 | ||
251 | unsigned long flags; | |
252 | ||
253 | struct work_struct work; | |
7bee549e | 254 | struct work_struct waker; |
5e23b923 MH |
255 | |
256 | struct usb_anchor tx_anchor; | |
257 | struct usb_anchor intr_anchor; | |
258 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 259 | struct usb_anchor isoc_anchor; |
7bee549e ON |
260 | struct usb_anchor deferred; |
261 | int tx_in_flight; | |
262 | spinlock_t txlock; | |
5e23b923 MH |
263 | |
264 | struct usb_endpoint_descriptor *intr_ep; | |
265 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
266 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
267 | struct usb_endpoint_descriptor *isoc_tx_ep; |
268 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
269 | ||
7a9d4020 MH |
270 | __u8 cmdreq_type; |
271 | ||
43c2e57f | 272 | unsigned int sco_num; |
9bfa35fe | 273 | int isoc_altsetting; |
6a88adf2 | 274 | int suspend_count; |
5e23b923 MH |
275 | }; |
276 | ||
7bee549e ON |
277 | static int inc_tx(struct btusb_data *data) |
278 | { | |
279 | unsigned long flags; | |
280 | int rv; | |
281 | ||
282 | spin_lock_irqsave(&data->txlock, flags); | |
283 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
284 | if (!rv) | |
285 | data->tx_in_flight++; | |
286 | spin_unlock_irqrestore(&data->txlock, flags); | |
287 | ||
288 | return rv; | |
289 | } | |
290 | ||
5e23b923 MH |
291 | static void btusb_intr_complete(struct urb *urb) |
292 | { | |
293 | struct hci_dev *hdev = urb->context; | |
155961e8 | 294 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
295 | int err; |
296 | ||
297 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
298 | urb, urb->status, urb->actual_length); | |
299 | ||
300 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
301 | return; | |
302 | ||
303 | if (urb->status == 0) { | |
9bfa35fe MH |
304 | hdev->stat.byte_rx += urb->actual_length; |
305 | ||
5e23b923 MH |
306 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
307 | urb->transfer_buffer, | |
308 | urb->actual_length) < 0) { | |
309 | BT_ERR("%s corrupted event packet", hdev->name); | |
310 | hdev->stat.err_rx++; | |
311 | } | |
312 | } | |
313 | ||
314 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
315 | return; | |
316 | ||
7bee549e | 317 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
318 | usb_anchor_urb(urb, &data->intr_anchor); |
319 | ||
320 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
321 | if (err < 0) { | |
4935f1c1 PB |
322 | /* -EPERM: urb is being killed; |
323 | * -ENODEV: device got disconnected */ | |
324 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 325 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
326 | hdev->name, urb, -err); |
327 | usb_unanchor_urb(urb); | |
328 | } | |
329 | } | |
330 | ||
2eda66f4 | 331 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 332 | { |
155961e8 | 333 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
334 | struct urb *urb; |
335 | unsigned char *buf; | |
336 | unsigned int pipe; | |
337 | int err, size; | |
338 | ||
339 | BT_DBG("%s", hdev->name); | |
340 | ||
9bfa35fe MH |
341 | if (!data->intr_ep) |
342 | return -ENODEV; | |
343 | ||
2eda66f4 | 344 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
345 | if (!urb) |
346 | return -ENOMEM; | |
347 | ||
348 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
349 | ||
2eda66f4 | 350 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
351 | if (!buf) { |
352 | usb_free_urb(urb); | |
353 | return -ENOMEM; | |
354 | } | |
355 | ||
356 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
357 | ||
358 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
359 | btusb_intr_complete, hdev, | |
360 | data->intr_ep->bInterval); | |
361 | ||
362 | urb->transfer_flags |= URB_FREE_BUFFER; | |
363 | ||
364 | usb_anchor_urb(urb, &data->intr_anchor); | |
365 | ||
2eda66f4 | 366 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 367 | if (err < 0) { |
d4b8d1c9 PB |
368 | if (err != -EPERM && err != -ENODEV) |
369 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
370 | hdev->name, urb, -err); |
371 | usb_unanchor_urb(urb); | |
5e23b923 MH |
372 | } |
373 | ||
374 | usb_free_urb(urb); | |
375 | ||
376 | return err; | |
377 | } | |
378 | ||
379 | static void btusb_bulk_complete(struct urb *urb) | |
380 | { | |
381 | struct hci_dev *hdev = urb->context; | |
155961e8 | 382 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
383 | int err; |
384 | ||
385 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
386 | urb, urb->status, urb->actual_length); | |
387 | ||
388 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
389 | return; | |
390 | ||
391 | if (urb->status == 0) { | |
9bfa35fe MH |
392 | hdev->stat.byte_rx += urb->actual_length; |
393 | ||
5e23b923 MH |
394 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
395 | urb->transfer_buffer, | |
396 | urb->actual_length) < 0) { | |
397 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
398 | hdev->stat.err_rx++; | |
399 | } | |
400 | } | |
401 | ||
402 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
403 | return; | |
404 | ||
405 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 406 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
407 | |
408 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
409 | if (err < 0) { | |
4935f1c1 PB |
410 | /* -EPERM: urb is being killed; |
411 | * -ENODEV: device got disconnected */ | |
412 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 413 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
414 | hdev->name, urb, -err); |
415 | usb_unanchor_urb(urb); | |
416 | } | |
417 | } | |
418 | ||
2eda66f4 | 419 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 420 | { |
155961e8 | 421 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
422 | struct urb *urb; |
423 | unsigned char *buf; | |
424 | unsigned int pipe; | |
290ba200 | 425 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
426 | |
427 | BT_DBG("%s", hdev->name); | |
428 | ||
9bfa35fe MH |
429 | if (!data->bulk_rx_ep) |
430 | return -ENODEV; | |
431 | ||
2eda66f4 | 432 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
433 | if (!urb) |
434 | return -ENOMEM; | |
435 | ||
2eda66f4 | 436 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
437 | if (!buf) { |
438 | usb_free_urb(urb); | |
439 | return -ENOMEM; | |
440 | } | |
441 | ||
442 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
443 | ||
444 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
445 | buf, size, btusb_bulk_complete, hdev); | |
446 | ||
447 | urb->transfer_flags |= URB_FREE_BUFFER; | |
448 | ||
7bee549e | 449 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
450 | usb_anchor_urb(urb, &data->bulk_anchor); |
451 | ||
2eda66f4 | 452 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 453 | if (err < 0) { |
d4b8d1c9 PB |
454 | if (err != -EPERM && err != -ENODEV) |
455 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
456 | hdev->name, urb, -err); |
457 | usb_unanchor_urb(urb); | |
5e23b923 MH |
458 | } |
459 | ||
460 | usb_free_urb(urb); | |
461 | ||
462 | return err; | |
463 | } | |
464 | ||
9bfa35fe MH |
465 | static void btusb_isoc_complete(struct urb *urb) |
466 | { | |
467 | struct hci_dev *hdev = urb->context; | |
155961e8 | 468 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
469 | int i, err; |
470 | ||
471 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
472 | urb, urb->status, urb->actual_length); | |
473 | ||
474 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
475 | return; | |
476 | ||
477 | if (urb->status == 0) { | |
478 | for (i = 0; i < urb->number_of_packets; i++) { | |
479 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
480 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
481 | ||
482 | if (urb->iso_frame_desc[i].status) | |
483 | continue; | |
484 | ||
485 | hdev->stat.byte_rx += length; | |
486 | ||
487 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
488 | urb->transfer_buffer + offset, | |
489 | length) < 0) { | |
490 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
491 | hdev->stat.err_rx++; | |
492 | } | |
493 | } | |
494 | } | |
495 | ||
496 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
497 | return; | |
498 | ||
499 | usb_anchor_urb(urb, &data->isoc_anchor); | |
500 | ||
501 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
502 | if (err < 0) { | |
4935f1c1 PB |
503 | /* -EPERM: urb is being killed; |
504 | * -ENODEV: device got disconnected */ | |
505 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 506 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
507 | hdev->name, urb, -err); |
508 | usb_unanchor_urb(urb); | |
509 | } | |
510 | } | |
511 | ||
42b16b3f | 512 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
513 | { |
514 | int i, offset = 0; | |
515 | ||
516 | BT_DBG("len %d mtu %d", len, mtu); | |
517 | ||
518 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
519 | i++, offset += mtu, len -= mtu) { | |
520 | urb->iso_frame_desc[i].offset = offset; | |
521 | urb->iso_frame_desc[i].length = mtu; | |
522 | } | |
523 | ||
524 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
525 | urb->iso_frame_desc[i].offset = offset; | |
526 | urb->iso_frame_desc[i].length = len; | |
527 | i++; | |
528 | } | |
529 | ||
530 | urb->number_of_packets = i; | |
531 | } | |
532 | ||
2eda66f4 | 533 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 534 | { |
155961e8 | 535 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
536 | struct urb *urb; |
537 | unsigned char *buf; | |
538 | unsigned int pipe; | |
539 | int err, size; | |
540 | ||
541 | BT_DBG("%s", hdev->name); | |
542 | ||
543 | if (!data->isoc_rx_ep) | |
544 | return -ENODEV; | |
545 | ||
2eda66f4 | 546 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
547 | if (!urb) |
548 | return -ENOMEM; | |
549 | ||
550 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
551 | BTUSB_MAX_ISOC_FRAMES; | |
552 | ||
2eda66f4 | 553 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
554 | if (!buf) { |
555 | usb_free_urb(urb); | |
556 | return -ENOMEM; | |
557 | } | |
558 | ||
559 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
560 | ||
fa0fb93f BZ |
561 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
562 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
563 | |
564 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
565 | |
566 | __fill_isoc_descriptor(urb, size, | |
567 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
568 | ||
569 | usb_anchor_urb(urb, &data->isoc_anchor); | |
570 | ||
2eda66f4 | 571 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 572 | if (err < 0) { |
d4b8d1c9 PB |
573 | if (err != -EPERM && err != -ENODEV) |
574 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
575 | hdev->name, urb, -err); |
576 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
577 | } |
578 | ||
579 | usb_free_urb(urb); | |
580 | ||
581 | return err; | |
582 | } | |
583 | ||
5e23b923 | 584 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
585 | { |
586 | struct sk_buff *skb = urb->context; | |
587 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 588 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
589 | |
590 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
591 | urb, urb->status, urb->actual_length); | |
592 | ||
593 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
594 | goto done; | |
595 | ||
596 | if (!urb->status) | |
597 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
598 | else | |
599 | hdev->stat.err_tx++; | |
600 | ||
601 | done: | |
602 | spin_lock(&data->txlock); | |
603 | data->tx_in_flight--; | |
604 | spin_unlock(&data->txlock); | |
605 | ||
606 | kfree(urb->setup_packet); | |
607 | ||
608 | kfree_skb(skb); | |
609 | } | |
610 | ||
611 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
612 | { |
613 | struct sk_buff *skb = urb->context; | |
614 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
615 | ||
616 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
617 | urb, urb->status, urb->actual_length); | |
618 | ||
619 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
620 | goto done; | |
621 | ||
622 | if (!urb->status) | |
623 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
624 | else | |
625 | hdev->stat.err_tx++; | |
626 | ||
627 | done: | |
628 | kfree(urb->setup_packet); | |
629 | ||
630 | kfree_skb(skb); | |
631 | } | |
632 | ||
633 | static int btusb_open(struct hci_dev *hdev) | |
634 | { | |
155961e8 | 635 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
636 | int err; |
637 | ||
638 | BT_DBG("%s", hdev->name); | |
639 | ||
7bee549e ON |
640 | err = usb_autopm_get_interface(data->intf); |
641 | if (err < 0) | |
642 | return err; | |
643 | ||
644 | data->intf->needs_remote_wakeup = 1; | |
645 | ||
5e23b923 | 646 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 647 | goto done; |
5e23b923 MH |
648 | |
649 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 650 | goto done; |
5e23b923 | 651 | |
2eda66f4 | 652 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
653 | if (err < 0) |
654 | goto failed; | |
655 | ||
656 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 657 | if (err < 0) { |
43c2e57f MH |
658 | usb_kill_anchored_urbs(&data->intr_anchor); |
659 | goto failed; | |
5e23b923 MH |
660 | } |
661 | ||
43c2e57f MH |
662 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
663 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
664 | ||
7bee549e ON |
665 | done: |
666 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
667 | return 0; |
668 | ||
669 | failed: | |
670 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
671 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 672 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
673 | return err; |
674 | } | |
675 | ||
7bee549e ON |
676 | static void btusb_stop_traffic(struct btusb_data *data) |
677 | { | |
678 | usb_kill_anchored_urbs(&data->intr_anchor); | |
679 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
680 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
681 | } | |
682 | ||
5e23b923 MH |
683 | static int btusb_close(struct hci_dev *hdev) |
684 | { | |
155961e8 | 685 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 686 | int err; |
5e23b923 MH |
687 | |
688 | BT_DBG("%s", hdev->name); | |
689 | ||
690 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
691 | return 0; | |
692 | ||
e8c3c3d2 | 693 | cancel_work_sync(&data->work); |
404291ac | 694 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 695 | |
9bfa35fe | 696 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 697 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 698 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
699 | |
700 | btusb_stop_traffic(data); | |
701 | err = usb_autopm_get_interface(data->intf); | |
702 | if (err < 0) | |
7b8e2c1d | 703 | goto failed; |
7bee549e ON |
704 | |
705 | data->intf->needs_remote_wakeup = 0; | |
706 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 707 | |
7b8e2c1d ON |
708 | failed: |
709 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
710 | return 0; |
711 | } | |
712 | ||
713 | static int btusb_flush(struct hci_dev *hdev) | |
714 | { | |
155961e8 | 715 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
716 | |
717 | BT_DBG("%s", hdev->name); | |
718 | ||
719 | usb_kill_anchored_urbs(&data->tx_anchor); | |
720 | ||
721 | return 0; | |
722 | } | |
723 | ||
7bd8f09f | 724 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 725 | { |
155961e8 | 726 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
727 | struct usb_ctrlrequest *dr; |
728 | struct urb *urb; | |
729 | unsigned int pipe; | |
730 | int err; | |
731 | ||
732 | BT_DBG("%s", hdev->name); | |
733 | ||
734 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
735 | return -EBUSY; | |
736 | ||
7bd8f09f MH |
737 | skb->dev = (void *) hdev; |
738 | ||
5e23b923 MH |
739 | switch (bt_cb(skb)->pkt_type) { |
740 | case HCI_COMMAND_PKT: | |
741 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
742 | if (!urb) | |
743 | return -ENOMEM; | |
744 | ||
745 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
746 | if (!dr) { | |
747 | usb_free_urb(urb); | |
748 | return -ENOMEM; | |
749 | } | |
750 | ||
7a9d4020 | 751 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
752 | dr->bRequest = 0; |
753 | dr->wIndex = 0; | |
754 | dr->wValue = 0; | |
755 | dr->wLength = __cpu_to_le16(skb->len); | |
756 | ||
757 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
758 | ||
759 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
760 | skb->data, skb->len, btusb_tx_complete, skb); | |
761 | ||
762 | hdev->stat.cmd_tx++; | |
763 | break; | |
764 | ||
765 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 766 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
767 | return -ENODEV; |
768 | ||
5e23b923 MH |
769 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
770 | if (!urb) | |
771 | return -ENOMEM; | |
772 | ||
773 | pipe = usb_sndbulkpipe(data->udev, | |
774 | data->bulk_tx_ep->bEndpointAddress); | |
775 | ||
776 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
777 | skb->data, skb->len, btusb_tx_complete, skb); | |
778 | ||
779 | hdev->stat.acl_tx++; | |
780 | break; | |
781 | ||
782 | case HCI_SCODATA_PKT: | |
014f7bc7 | 783 | if (!data->isoc_tx_ep || hci_conn_num(hdev, SCO_LINK) < 1) |
9bfa35fe MH |
784 | return -ENODEV; |
785 | ||
786 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
787 | if (!urb) | |
788 | return -ENOMEM; | |
789 | ||
790 | pipe = usb_sndisocpipe(data->udev, | |
791 | data->isoc_tx_ep->bEndpointAddress); | |
792 | ||
03c2d0e8 GP |
793 | usb_fill_int_urb(urb, data->udev, pipe, |
794 | skb->data, skb->len, btusb_isoc_tx_complete, | |
795 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
796 | |
797 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
798 | |
799 | __fill_isoc_descriptor(urb, skb->len, | |
800 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
801 | ||
5e23b923 | 802 | hdev->stat.sco_tx++; |
7bee549e | 803 | goto skip_waking; |
5e23b923 MH |
804 | |
805 | default: | |
806 | return -EILSEQ; | |
807 | } | |
808 | ||
7bee549e ON |
809 | err = inc_tx(data); |
810 | if (err) { | |
811 | usb_anchor_urb(urb, &data->deferred); | |
812 | schedule_work(&data->waker); | |
813 | err = 0; | |
814 | goto done; | |
815 | } | |
816 | ||
817 | skip_waking: | |
5e23b923 MH |
818 | usb_anchor_urb(urb, &data->tx_anchor); |
819 | ||
820 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
821 | if (err < 0) { | |
5a9b80e2 PB |
822 | if (err != -EPERM && err != -ENODEV) |
823 | BT_ERR("%s urb %p submission failed (%d)", | |
824 | hdev->name, urb, -err); | |
5e23b923 MH |
825 | kfree(urb->setup_packet); |
826 | usb_unanchor_urb(urb); | |
7bee549e ON |
827 | } else { |
828 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
829 | } |
830 | ||
7bee549e | 831 | done: |
54a8a79c | 832 | usb_free_urb(urb); |
5e23b923 MH |
833 | return err; |
834 | } | |
835 | ||
5e23b923 MH |
836 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
837 | { | |
155961e8 | 838 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
839 | |
840 | BT_DBG("%s evt %d", hdev->name, evt); | |
841 | ||
014f7bc7 MH |
842 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
843 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 844 | schedule_work(&data->work); |
a780efa8 | 845 | } |
5e23b923 MH |
846 | } |
847 | ||
42b16b3f | 848 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 849 | { |
155961e8 | 850 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
851 | struct usb_interface *intf = data->isoc; |
852 | struct usb_endpoint_descriptor *ep_desc; | |
853 | int i, err; | |
854 | ||
855 | if (!data->isoc) | |
856 | return -ENODEV; | |
857 | ||
858 | err = usb_set_interface(data->udev, 1, altsetting); | |
859 | if (err < 0) { | |
860 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
861 | return err; | |
862 | } | |
863 | ||
864 | data->isoc_altsetting = altsetting; | |
865 | ||
866 | data->isoc_tx_ep = NULL; | |
867 | data->isoc_rx_ep = NULL; | |
868 | ||
869 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
870 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
871 | ||
872 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
873 | data->isoc_tx_ep = ep_desc; | |
874 | continue; | |
875 | } | |
876 | ||
877 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
878 | data->isoc_rx_ep = ep_desc; | |
879 | continue; | |
880 | } | |
881 | } | |
882 | ||
883 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
884 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
885 | return -ENODEV; | |
886 | } | |
887 | ||
888 | return 0; | |
889 | } | |
890 | ||
5e23b923 MH |
891 | static void btusb_work(struct work_struct *work) |
892 | { | |
893 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
894 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 895 | int new_alts; |
7bee549e | 896 | int err; |
5e23b923 | 897 | |
014f7bc7 | 898 | if (data->sco_num > 0) { |
08b8b6c4 | 899 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 900 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
901 | if (err < 0) { |
902 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
903 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
904 | return; | |
905 | } | |
906 | ||
08b8b6c4 | 907 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 908 | } |
f4001d28 MA |
909 | |
910 | if (hdev->voice_setting & 0x0020) { | |
911 | static const int alts[3] = { 2, 4, 5 }; | |
014f7bc7 | 912 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 913 | } else { |
014f7bc7 | 914 | new_alts = data->sco_num; |
f4001d28 MA |
915 | } |
916 | ||
917 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
918 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
919 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
920 | ||
f4001d28 | 921 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
922 | return; |
923 | } | |
924 | ||
925 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 926 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
927 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
928 | else | |
2eda66f4 | 929 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
930 | } |
931 | } else { | |
932 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
933 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
934 | ||
935 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 936 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 937 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
938 | } |
939 | } | |
940 | ||
7bee549e ON |
941 | static void btusb_waker(struct work_struct *work) |
942 | { | |
943 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
944 | int err; | |
945 | ||
946 | err = usb_autopm_get_interface(data->intf); | |
947 | if (err < 0) | |
948 | return; | |
949 | ||
950 | usb_autopm_put_interface(data->intf); | |
951 | } | |
952 | ||
9f8f962c MH |
953 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
954 | { | |
955 | struct sk_buff *skb; | |
956 | u8 val = 0x00; | |
957 | ||
958 | BT_DBG("%s", hdev->name); | |
959 | ||
960 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
961 | if (IS_ERR(skb)) | |
962 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
963 | else | |
964 | kfree_skb(skb); | |
965 | ||
966 | return 0; | |
967 | } | |
968 | ||
81cac64b MH |
969 | static int btusb_setup_csr(struct hci_dev *hdev) |
970 | { | |
971 | struct hci_rp_read_local_version *rp; | |
972 | struct sk_buff *skb; | |
973 | int ret; | |
974 | ||
975 | BT_DBG("%s", hdev->name); | |
976 | ||
977 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
978 | HCI_INIT_TIMEOUT); | |
979 | if (IS_ERR(skb)) { | |
980 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); | |
981 | return -PTR_ERR(skb); | |
982 | } | |
983 | ||
984 | rp = (struct hci_rp_read_local_version *) skb->data; | |
985 | ||
986 | if (!rp->status) { | |
987 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
988 | /* Clear the reset quirk since this is not an actual | |
989 | * early Bluetooth 1.1 device from CSR. | |
990 | */ | |
991 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
992 | ||
993 | /* These fake CSR controllers have all a broken | |
994 | * stored link key handling and so just disable it. | |
995 | */ | |
996 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
997 | &hdev->quirks); | |
998 | } | |
999 | } | |
1000 | ||
1001 | ret = -bt_to_errno(rp->status); | |
1002 | ||
1003 | kfree_skb(skb); | |
1004 | ||
1005 | return ret; | |
1006 | } | |
1007 | ||
dffd30ee THJA |
1008 | struct intel_version { |
1009 | u8 status; | |
1010 | u8 hw_platform; | |
1011 | u8 hw_variant; | |
1012 | u8 hw_revision; | |
1013 | u8 fw_variant; | |
1014 | u8 fw_revision; | |
1015 | u8 fw_build_num; | |
1016 | u8 fw_build_ww; | |
1017 | u8 fw_build_yy; | |
1018 | u8 fw_patch_num; | |
1019 | } __packed; | |
1020 | ||
1021 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
1022 | struct intel_version *ver) | |
1023 | { | |
1024 | const struct firmware *fw; | |
1025 | char fwname[64]; | |
1026 | int ret; | |
1027 | ||
1028 | snprintf(fwname, sizeof(fwname), | |
1029 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1030 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1031 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1032 | ver->fw_build_ww, ver->fw_build_yy); | |
1033 | ||
1034 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1035 | if (ret < 0) { | |
1036 | if (ret == -EINVAL) { | |
1037 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1038 | hdev->name, ret); | |
1039 | return NULL; | |
1040 | } | |
1041 | ||
1042 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1043 | hdev->name, fwname, ret); | |
1044 | ||
1045 | /* If the correct firmware patch file is not found, use the | |
1046 | * default firmware patch file instead | |
1047 | */ | |
1048 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1049 | ver->hw_platform, ver->hw_variant); | |
1050 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1051 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1052 | hdev->name, fwname); | |
1053 | return NULL; | |
1054 | } | |
1055 | } | |
1056 | ||
1057 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1058 | ||
1059 | return fw; | |
1060 | } | |
1061 | ||
1062 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1063 | const struct firmware *fw, | |
1064 | const u8 **fw_ptr, int *disable_patch) | |
1065 | { | |
1066 | struct sk_buff *skb; | |
1067 | struct hci_command_hdr *cmd; | |
1068 | const u8 *cmd_param; | |
1069 | struct hci_event_hdr *evt = NULL; | |
1070 | const u8 *evt_param = NULL; | |
1071 | int remain = fw->size - (*fw_ptr - fw->data); | |
1072 | ||
1073 | /* The first byte indicates the types of the patch command or event. | |
1074 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1075 | * in the current firmware buffer doesn't start with 0x01 or | |
1076 | * the size of remain buffer is smaller than HCI command header, | |
1077 | * the firmware file is corrupted and it should stop the patching | |
1078 | * process. | |
1079 | */ | |
1080 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1081 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1082 | return -EINVAL; | |
1083 | } | |
1084 | (*fw_ptr)++; | |
1085 | remain--; | |
1086 | ||
1087 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1088 | *fw_ptr += sizeof(*cmd); | |
1089 | remain -= sizeof(*cmd); | |
1090 | ||
1091 | /* Ensure that the remain firmware data is long enough than the length | |
1092 | * of command parameter. If not, the firmware file is corrupted. | |
1093 | */ | |
1094 | if (remain < cmd->plen) { | |
1095 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1096 | return -EFAULT; | |
1097 | } | |
1098 | ||
1099 | /* If there is a command that loads a patch in the firmware | |
1100 | * file, then enable the patch upon success, otherwise just | |
1101 | * disable the manufacturer mode, for example patch activation | |
1102 | * is not required when the default firmware patch file is used | |
1103 | * because there are no patch data to load. | |
1104 | */ | |
1105 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1106 | *disable_patch = 0; | |
1107 | ||
1108 | cmd_param = *fw_ptr; | |
1109 | *fw_ptr += cmd->plen; | |
1110 | remain -= cmd->plen; | |
1111 | ||
1112 | /* This reads the expected events when the above command is sent to the | |
1113 | * device. Some vendor commands expects more than one events, for | |
1114 | * example command status event followed by vendor specific event. | |
1115 | * For this case, it only keeps the last expected event. so the command | |
1116 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1117 | * last expected event. | |
1118 | */ | |
1119 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1120 | (*fw_ptr)++; | |
1121 | remain--; | |
1122 | ||
1123 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1124 | *fw_ptr += sizeof(*evt); | |
1125 | remain -= sizeof(*evt); | |
1126 | ||
1127 | if (remain < evt->plen) { | |
1128 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1129 | hdev->name); | |
1130 | return -EFAULT; | |
1131 | } | |
1132 | ||
1133 | evt_param = *fw_ptr; | |
1134 | *fw_ptr += evt->plen; | |
1135 | remain -= evt->plen; | |
1136 | } | |
1137 | ||
1138 | /* Every HCI commands in the firmware file has its correspond event. | |
1139 | * If event is not found or remain is smaller than zero, the firmware | |
1140 | * file is corrupted. | |
1141 | */ | |
1142 | if (!evt || !evt_param || remain < 0) { | |
1143 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1144 | return -EFAULT; | |
1145 | } | |
1146 | ||
1147 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1148 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1149 | if (IS_ERR(skb)) { | |
1150 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1151 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1152 | return PTR_ERR(skb); |
dffd30ee THJA |
1153 | } |
1154 | ||
1155 | /* It ensures that the returned event matches the event data read from | |
1156 | * the firmware file. At fist, it checks the length and then | |
1157 | * the contents of the event. | |
1158 | */ | |
1159 | if (skb->len != evt->plen) { | |
1160 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1161 | le16_to_cpu(cmd->opcode)); | |
1162 | kfree_skb(skb); | |
1163 | return -EFAULT; | |
1164 | } | |
1165 | ||
1166 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1167 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1168 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1169 | kfree_skb(skb); | |
1170 | return -EFAULT; | |
1171 | } | |
1172 | kfree_skb(skb); | |
1173 | ||
1174 | return 0; | |
1175 | } | |
1176 | ||
1177 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1178 | { | |
1179 | struct sk_buff *skb; | |
1180 | const struct firmware *fw; | |
1181 | const u8 *fw_ptr; | |
1182 | int disable_patch; | |
1183 | struct intel_version *ver; | |
1184 | ||
1185 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1186 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1187 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1188 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1189 | ||
1190 | BT_DBG("%s", hdev->name); | |
1191 | ||
1192 | /* The controller has a bug with the first HCI command sent to it | |
1193 | * returning number of completed commands as zero. This would stall the | |
1194 | * command processing in the Bluetooth core. | |
1195 | * | |
1196 | * As a workaround, send HCI Reset command first which will reset the | |
1197 | * number of completed commands and allow normal command processing | |
1198 | * from now on. | |
1199 | */ | |
1200 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1201 | if (IS_ERR(skb)) { | |
1202 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1203 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1204 | return PTR_ERR(skb); |
dffd30ee THJA |
1205 | } |
1206 | kfree_skb(skb); | |
1207 | ||
1208 | /* Read Intel specific controller version first to allow selection of | |
1209 | * which firmware file to load. | |
1210 | * | |
1211 | * The returned information are hardware variant and revision plus | |
1212 | * firmware variant, revision and build number. | |
1213 | */ | |
1214 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1215 | if (IS_ERR(skb)) { | |
1216 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1217 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1218 | return PTR_ERR(skb); |
dffd30ee THJA |
1219 | } |
1220 | ||
1221 | if (skb->len != sizeof(*ver)) { | |
1222 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1223 | kfree_skb(skb); | |
1224 | return -EIO; | |
1225 | } | |
1226 | ||
1227 | ver = (struct intel_version *)skb->data; | |
1228 | if (ver->status) { | |
1229 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1230 | ver->status); | |
1231 | kfree_skb(skb); | |
1232 | return -bt_to_errno(ver->status); | |
1233 | } | |
1234 | ||
1235 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1236 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1237 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1238 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1239 | ver->fw_patch_num); | |
1240 | ||
1241 | /* fw_patch_num indicates the version of patch the device currently | |
1242 | * have. If there is no patch data in the device, it is always 0x00. | |
1243 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1244 | */ | |
1245 | if (ver->fw_patch_num) { | |
1246 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1247 | hdev->name, ver->fw_patch_num); | |
1248 | kfree_skb(skb); | |
1249 | return 0; | |
1250 | } | |
1251 | ||
1252 | /* Opens the firmware patch file based on the firmware version read | |
1253 | * from the controller. If it fails to open the matching firmware | |
1254 | * patch file, it tries to open the default firmware patch file. | |
1255 | * If no patch file is found, allow the device to operate without | |
1256 | * a patch. | |
1257 | */ | |
1258 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1259 | if (!fw) { | |
1260 | kfree_skb(skb); | |
1261 | return 0; | |
1262 | } | |
1263 | fw_ptr = fw->data; | |
1264 | ||
1265 | /* This Intel specific command enables the manufacturer mode of the | |
1266 | * controller. | |
1267 | * | |
1268 | * Only while this mode is enabled, the driver can download the | |
1269 | * firmware patch data and configuration parameters. | |
1270 | */ | |
1271 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1272 | if (IS_ERR(skb)) { | |
1273 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1274 | hdev->name, PTR_ERR(skb)); | |
1275 | release_firmware(fw); | |
d9c78e97 | 1276 | return PTR_ERR(skb); |
dffd30ee THJA |
1277 | } |
1278 | ||
1279 | if (skb->data[0]) { | |
1280 | u8 evt_status = skb->data[0]; | |
1281 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", | |
1282 | hdev->name, evt_status); | |
1283 | kfree_skb(skb); | |
1284 | release_firmware(fw); | |
1285 | return -bt_to_errno(evt_status); | |
1286 | } | |
1287 | kfree_skb(skb); | |
1288 | ||
1289 | disable_patch = 1; | |
1290 | ||
1291 | /* The firmware data file consists of list of Intel specific HCI | |
1292 | * commands and its expected events. The first byte indicates the | |
1293 | * type of the message, either HCI command or HCI event. | |
1294 | * | |
1295 | * It reads the command and its expected event from the firmware file, | |
1296 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1297 | * the returned event is compared with the event read from the firmware | |
1298 | * file and it will continue until all the messages are downloaded to | |
1299 | * the controller. | |
1300 | * | |
1301 | * Once the firmware patching is completed successfully, | |
1302 | * the manufacturer mode is disabled with reset and activating the | |
1303 | * downloaded patch. | |
1304 | * | |
1305 | * If the firmware patching fails, the manufacturer mode is | |
1306 | * disabled with reset and deactivating the patch. | |
1307 | * | |
1308 | * If the default patch file is used, no reset is done when disabling | |
1309 | * the manufacturer. | |
1310 | */ | |
1311 | while (fw->size > fw_ptr - fw->data) { | |
1312 | int ret; | |
1313 | ||
1314 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1315 | &disable_patch); | |
1316 | if (ret < 0) | |
1317 | goto exit_mfg_deactivate; | |
1318 | } | |
1319 | ||
1320 | release_firmware(fw); | |
1321 | ||
1322 | if (disable_patch) | |
1323 | goto exit_mfg_disable; | |
1324 | ||
1325 | /* Patching completed successfully and disable the manufacturer mode | |
1326 | * with reset and activate the downloaded firmware patches. | |
1327 | */ | |
1328 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1329 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1330 | if (IS_ERR(skb)) { | |
1331 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1332 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1333 | return PTR_ERR(skb); |
dffd30ee THJA |
1334 | } |
1335 | kfree_skb(skb); | |
1336 | ||
1337 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1338 | hdev->name); | |
1339 | ||
1340 | return 0; | |
1341 | ||
1342 | exit_mfg_disable: | |
1343 | /* Disable the manufacturer mode without reset */ | |
1344 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1345 | HCI_INIT_TIMEOUT); | |
1346 | if (IS_ERR(skb)) { | |
1347 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1348 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1349 | return PTR_ERR(skb); |
dffd30ee THJA |
1350 | } |
1351 | kfree_skb(skb); | |
1352 | ||
1353 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
1354 | return 0; | |
1355 | ||
1356 | exit_mfg_deactivate: | |
1357 | release_firmware(fw); | |
1358 | ||
1359 | /* Patching failed. Disable the manufacturer mode with reset and | |
1360 | * deactivate the downloaded firmware patches. | |
1361 | */ | |
1362 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1363 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1364 | if (IS_ERR(skb)) { | |
1365 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1366 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1367 | return PTR_ERR(skb); |
dffd30ee THJA |
1368 | } |
1369 | kfree_skb(skb); | |
1370 | ||
1371 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1372 | hdev->name); | |
1373 | ||
1374 | return 0; | |
1375 | } | |
1376 | ||
5e23b923 MH |
1377 | static int btusb_probe(struct usb_interface *intf, |
1378 | const struct usb_device_id *id) | |
1379 | { | |
1380 | struct usb_endpoint_descriptor *ep_desc; | |
1381 | struct btusb_data *data; | |
1382 | struct hci_dev *hdev; | |
1383 | int i, err; | |
1384 | ||
1385 | BT_DBG("intf %p id %p", intf, id); | |
1386 | ||
cfeb4145 | 1387 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1388 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1389 | return -ENODEV; | |
1390 | ||
1391 | if (!id->driver_info) { | |
1392 | const struct usb_device_id *match; | |
1393 | match = usb_match_id(intf, blacklist_table); | |
1394 | if (match) | |
1395 | id = match; | |
1396 | } | |
1397 | ||
cfeb4145 MH |
1398 | if (id->driver_info == BTUSB_IGNORE) |
1399 | return -ENODEV; | |
1400 | ||
1401 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
1402 | return -ENODEV; | |
1403 | ||
1404 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
1405 | return -ENODEV; | |
1406 | ||
1407 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
1408 | return -ENODEV; | |
1409 | ||
2d25f8b4 SL |
1410 | if (id->driver_info & BTUSB_ATH3012) { |
1411 | struct usb_device *udev = interface_to_usbdev(intf); | |
1412 | ||
1413 | /* Old firmware would otherwise let ath3k driver load | |
1414 | * patch and sysconfig files */ | |
1415 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
1416 | return -ENODEV; | |
1417 | } | |
1418 | ||
98921dbd | 1419 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
1420 | if (!data) |
1421 | return -ENOMEM; | |
1422 | ||
1423 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1424 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1425 | ||
1426 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1427 | data->intr_ep = ep_desc; | |
1428 | continue; | |
1429 | } | |
1430 | ||
1431 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1432 | data->bulk_tx_ep = ep_desc; | |
1433 | continue; | |
1434 | } | |
1435 | ||
1436 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1437 | data->bulk_rx_ep = ep_desc; | |
1438 | continue; | |
1439 | } | |
1440 | } | |
1441 | ||
98921dbd | 1442 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 1443 | return -ENODEV; |
5e23b923 | 1444 | |
7a9d4020 MH |
1445 | data->cmdreq_type = USB_TYPE_CLASS; |
1446 | ||
5e23b923 | 1447 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 1448 | data->intf = intf; |
5e23b923 MH |
1449 | |
1450 | spin_lock_init(&data->lock); | |
1451 | ||
1452 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
1453 | INIT_WORK(&data->waker, btusb_waker); |
1454 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
1455 | |
1456 | init_usb_anchor(&data->tx_anchor); | |
1457 | init_usb_anchor(&data->intr_anchor); | |
1458 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1459 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1460 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1461 | |
1462 | hdev = hci_alloc_dev(); | |
98921dbd | 1463 | if (!hdev) |
5e23b923 | 1464 | return -ENOMEM; |
5e23b923 | 1465 | |
c13854ce | 1466 | hdev->bus = HCI_USB; |
155961e8 | 1467 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1468 | |
1469 | data->hdev = hdev; | |
1470 | ||
1471 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1472 | ||
9f8f962c MH |
1473 | hdev->open = btusb_open; |
1474 | hdev->close = btusb_close; | |
1475 | hdev->flush = btusb_flush; | |
1476 | hdev->send = btusb_send_frame; | |
1477 | hdev->notify = btusb_notify; | |
1478 | ||
1479 | if (id->driver_info & BTUSB_BCM92035) | |
1480 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 1481 | |
d2bee8fb THJA |
1482 | if (id->driver_info & BTUSB_INTEL) { |
1483 | usb_enable_autosuspend(data->udev); | |
dffd30ee | 1484 | hdev->setup = btusb_setup_intel; |
d2bee8fb | 1485 | } |
dffd30ee | 1486 | |
7a9d4020 | 1487 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1488 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1489 | ||
7a9d4020 | 1490 | if (!reset) |
a6c511c6 | 1491 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1492 | |
1493 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1494 | if (!disable_scofix) | |
1495 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1496 | } | |
1497 | ||
9bfa35fe MH |
1498 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1499 | data->isoc = NULL; | |
1500 | ||
7a9d4020 MH |
1501 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1502 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1503 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1504 | } |
1505 | ||
1506 | if (id->driver_info & BTUSB_CSR) { | |
1507 | struct usb_device *udev = data->udev; | |
81cac64b | 1508 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
1509 | |
1510 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 1511 | if (bcdDevice < 0x117) |
a6c511c6 | 1512 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
1513 | |
1514 | /* Fake CSR devices with broken commands */ | |
1515 | if (bcdDevice <= 0x100) | |
1516 | hdev->setup = btusb_setup_csr; | |
7a9d4020 MH |
1517 | } |
1518 | ||
cfeb4145 | 1519 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1520 | struct usb_device *udev = data->udev; |
cfeb4145 | 1521 | |
7a9d4020 | 1522 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1523 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1524 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1525 | |
1526 | data->isoc = NULL; | |
cfeb4145 MH |
1527 | } |
1528 | ||
9bfa35fe MH |
1529 | if (data->isoc) { |
1530 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1531 | data->isoc, data); |
9bfa35fe MH |
1532 | if (err < 0) { |
1533 | hci_free_dev(hdev); | |
9bfa35fe MH |
1534 | return err; |
1535 | } | |
1536 | } | |
1537 | ||
5e23b923 MH |
1538 | err = hci_register_dev(hdev); |
1539 | if (err < 0) { | |
1540 | hci_free_dev(hdev); | |
5e23b923 MH |
1541 | return err; |
1542 | } | |
1543 | ||
1544 | usb_set_intfdata(intf, data); | |
1545 | ||
1546 | return 0; | |
1547 | } | |
1548 | ||
1549 | static void btusb_disconnect(struct usb_interface *intf) | |
1550 | { | |
1551 | struct btusb_data *data = usb_get_intfdata(intf); | |
1552 | struct hci_dev *hdev; | |
1553 | ||
1554 | BT_DBG("intf %p", intf); | |
1555 | ||
1556 | if (!data) | |
1557 | return; | |
1558 | ||
1559 | hdev = data->hdev; | |
5fbcd260 MH |
1560 | usb_set_intfdata(data->intf, NULL); |
1561 | ||
1562 | if (data->isoc) | |
1563 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1564 | |
1565 | hci_unregister_dev(hdev); | |
1566 | ||
5fbcd260 MH |
1567 | if (intf == data->isoc) |
1568 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1569 | else if (data->isoc) | |
1570 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1571 | ||
5e23b923 MH |
1572 | hci_free_dev(hdev); |
1573 | } | |
1574 | ||
7bee549e | 1575 | #ifdef CONFIG_PM |
6a88adf2 MH |
1576 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1577 | { | |
1578 | struct btusb_data *data = usb_get_intfdata(intf); | |
1579 | ||
1580 | BT_DBG("intf %p", intf); | |
1581 | ||
1582 | if (data->suspend_count++) | |
1583 | return 0; | |
1584 | ||
7bee549e | 1585 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1586 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1587 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1588 | spin_unlock_irq(&data->txlock); | |
1589 | } else { | |
1590 | spin_unlock_irq(&data->txlock); | |
1591 | data->suspend_count--; | |
1592 | return -EBUSY; | |
1593 | } | |
1594 | ||
6a88adf2 MH |
1595 | cancel_work_sync(&data->work); |
1596 | ||
7bee549e | 1597 | btusb_stop_traffic(data); |
6a88adf2 MH |
1598 | usb_kill_anchored_urbs(&data->tx_anchor); |
1599 | ||
6a88adf2 MH |
1600 | return 0; |
1601 | } | |
1602 | ||
7bee549e ON |
1603 | static void play_deferred(struct btusb_data *data) |
1604 | { | |
1605 | struct urb *urb; | |
1606 | int err; | |
1607 | ||
1608 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1609 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1610 | if (err < 0) | |
1611 | break; | |
1612 | ||
1613 | data->tx_in_flight++; | |
1614 | } | |
1615 | usb_scuttle_anchored_urbs(&data->deferred); | |
1616 | } | |
1617 | ||
6a88adf2 MH |
1618 | static int btusb_resume(struct usb_interface *intf) |
1619 | { | |
1620 | struct btusb_data *data = usb_get_intfdata(intf); | |
1621 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1622 | int err = 0; |
6a88adf2 MH |
1623 | |
1624 | BT_DBG("intf %p", intf); | |
1625 | ||
1626 | if (--data->suspend_count) | |
1627 | return 0; | |
1628 | ||
1629 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1630 | goto done; |
6a88adf2 MH |
1631 | |
1632 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1633 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1634 | if (err < 0) { | |
1635 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1636 | goto failed; |
6a88adf2 MH |
1637 | } |
1638 | } | |
1639 | ||
1640 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1641 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1642 | if (err < 0) { | |
6a88adf2 | 1643 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1644 | goto failed; |
1645 | } | |
1646 | ||
1647 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1648 | } |
1649 | ||
1650 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1651 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1652 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1653 | else | |
1654 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1655 | } | |
1656 | ||
7bee549e ON |
1657 | spin_lock_irq(&data->txlock); |
1658 | play_deferred(data); | |
1659 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1660 | spin_unlock_irq(&data->txlock); | |
1661 | schedule_work(&data->work); | |
1662 | ||
6a88adf2 | 1663 | return 0; |
7bee549e ON |
1664 | |
1665 | failed: | |
1666 | usb_scuttle_anchored_urbs(&data->deferred); | |
1667 | done: | |
1668 | spin_lock_irq(&data->txlock); | |
1669 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1670 | spin_unlock_irq(&data->txlock); | |
1671 | ||
1672 | return err; | |
6a88adf2 | 1673 | } |
7bee549e | 1674 | #endif |
6a88adf2 | 1675 | |
5e23b923 MH |
1676 | static struct usb_driver btusb_driver = { |
1677 | .name = "btusb", | |
1678 | .probe = btusb_probe, | |
1679 | .disconnect = btusb_disconnect, | |
7bee549e | 1680 | #ifdef CONFIG_PM |
6a88adf2 MH |
1681 | .suspend = btusb_suspend, |
1682 | .resume = btusb_resume, | |
7bee549e | 1683 | #endif |
5e23b923 | 1684 | .id_table = btusb_table, |
7bee549e | 1685 | .supports_autosuspend = 1, |
e1f12eb6 | 1686 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1687 | }; |
1688 | ||
93f1508c | 1689 | module_usb_driver(btusb_driver); |
5e23b923 | 1690 | |
cfeb4145 MH |
1691 | module_param(ignore_dga, bool, 0644); |
1692 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1693 | ||
1694 | module_param(ignore_csr, bool, 0644); | |
1695 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1696 | ||
1697 | module_param(ignore_sniffer, bool, 0644); | |
1698 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1699 | ||
1700 | module_param(disable_scofix, bool, 0644); | |
1701 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1702 | ||
1703 | module_param(force_scofix, bool, 0644); | |
1704 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1705 | ||
1706 | module_param(reset, bool, 0644); | |
1707 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1708 | ||
5e23b923 MH |
1709 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1710 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1711 | MODULE_VERSION(VERSION); | |
1712 | MODULE_LICENSE("GPL"); |