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