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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 disable_scofix; |
34 | static bool force_scofix; | |
7a9d4020 | 35 | |
90ab5ee9 | 36 | static bool reset = 1; |
cfeb4145 MH |
37 | |
38 | static struct usb_driver btusb_driver; | |
39 | ||
40 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
41 | #define BTUSB_DIGIANSWER 0x02 |
42 | #define BTUSB_CSR 0x04 | |
43 | #define BTUSB_SNIFFER 0x08 | |
44 | #define BTUSB_BCM92035 0x10 | |
45 | #define BTUSB_BROKEN_ISOC 0x20 | |
46 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 47 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 48 | #define BTUSB_INTEL 0x100 |
40df783d MH |
49 | #define BTUSB_INTEL_BOOT 0x200 |
50 | #define BTUSB_BCM_PATCHRAM 0x400 | |
5e23b923 | 51 | |
54265202 | 52 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
53 | /* Generic Bluetooth USB device */ |
54 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
55 | ||
1fa6535f HR |
56 | /* Apple-specific (Broadcom) devices */ |
57 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, | |
58 | ||
178c059e CYC |
59 | /* MediaTek MT76x0E */ |
60 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
61 | ||
c510eae3 | 62 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 63 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 64 | |
3cd01976 NI |
65 | /* Apple MacBookPro 7,1 */ |
66 | { USB_DEVICE(0x05ac, 0x8213) }, | |
67 | ||
0a79f674 CL |
68 | /* Apple iMac11,1 */ |
69 | { USB_DEVICE(0x05ac, 0x8215) }, | |
70 | ||
9c047157 NI |
71 | /* Apple MacBookPro6,2 */ |
72 | { USB_DEVICE(0x05ac, 0x8218) }, | |
73 | ||
3e3ede7d EH |
74 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
75 | { USB_DEVICE(0x05ac, 0x821b) }, | |
76 | ||
a63b723d PAVM |
77 | /* Apple MacBookAir4,1 */ |
78 | { USB_DEVICE(0x05ac, 0x821f) }, | |
79 | ||
88d377b6 MAP |
80 | /* Apple MacBookPro8,2 */ |
81 | { USB_DEVICE(0x05ac, 0x821a) }, | |
82 | ||
f78b6826 JK |
83 | /* Apple MacMini5,1 */ |
84 | { USB_DEVICE(0x05ac, 0x8281) }, | |
85 | ||
cfeb4145 MH |
86 | /* AVM BlueFRITZ! USB v2.0 */ |
87 | { USB_DEVICE(0x057c, 0x3800) }, | |
88 | ||
89 | /* Bluetooth Ultraport Module from IBM */ | |
90 | { USB_DEVICE(0x04bf, 0x030a) }, | |
91 | ||
92 | /* ALPS Modules with non-standard id */ | |
93 | { USB_DEVICE(0x044e, 0x3001) }, | |
94 | { USB_DEVICE(0x044e, 0x3002) }, | |
95 | ||
96 | /* Ericsson with non-standard id */ | |
97 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
98 | ||
99 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 100 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 101 | |
d13431ca | 102 | /* Broadcom BCM20702A0 */ |
0b880062 AS |
103 | { USB_DEVICE(0x0489, 0xe042) }, |
104 | { USB_DEVICE(0x04ca, 0x2003) }, | |
1ee3ff61 | 105 | { USB_DEVICE(0x0b05, 0x17b5) }, |
38a172be | 106 | { USB_DEVICE(0x0b05, 0x17cb) }, |
d13431ca WJS |
107 | { USB_DEVICE(0x413c, 0x8197) }, |
108 | ||
98514036 | 109 | /* Foxconn - Hon Hai */ |
ee66401b | 110 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
98514036 | 111 | |
0b880062 | 112 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
113 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
114 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 115 | |
5bcecf32 KB |
116 | /* Belkin F8065bf - Broadcom based */ |
117 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, | |
118 | ||
9113bfd8 JK |
119 | /* IMC Networks - Broadcom based */ |
120 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, | |
121 | ||
40df783d | 122 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
123 | { USB_DEVICE(0x8087, 0x0a5a), |
124 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 125 | |
5e23b923 MH |
126 | { } /* Terminating entry */ |
127 | }; | |
128 | ||
129 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
130 | ||
54265202 | 131 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
132 | /* CSR BlueCore devices */ |
133 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
134 | ||
135 | /* Broadcom BCM2033 without firmware */ | |
136 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
137 | ||
be93112a | 138 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
139 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
140 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
141 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, | |
be93112a | 142 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 143 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 144 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 145 | |
509e7861 CYC |
146 | /* Atheros AR9285 Malbec with sflash firmware */ |
147 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
148 | ||
d9f51b51 | 149 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
150 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
151 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
152 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
153 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
154 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
155 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, | |
156 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
157 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
158 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 159 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
160 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
161 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
162 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, | |
163 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
a735f9e2 | 164 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 165 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 166 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 167 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 168 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 169 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 170 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 171 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 172 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 173 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 174 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 175 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
176 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
177 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 178 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 179 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 180 | |
e9036e33 CYC |
181 | /* Atheros AR5BBU12 with sflash firmware */ |
182 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
183 | ||
85d59726 | 184 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 185 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 186 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 187 | |
cfeb4145 | 188 | /* Broadcom BCM2035 */ |
7a9d4020 | 189 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
190 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
191 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
192 | |
193 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
194 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
195 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 196 | |
cfeb4145 | 197 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
198 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
199 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
200 | |
201 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 202 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
203 | |
204 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 205 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 206 | |
5ddd4a60 | 207 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 208 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 209 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 210 | |
7a9d4020 MH |
211 | /* Belkin F8T012 and F8T013 devices */ |
212 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
213 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 214 | |
5ddd4a60 MH |
215 | /* Asus WL-BTD202 device */ |
216 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
217 | ||
218 | /* Kensington Bluetooth USB adapter */ | |
219 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
220 | ||
cfeb4145 MH |
221 | /* RTX Telecom based adapters with buggy SCO support */ |
222 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
223 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
224 | ||
225 | /* CONWISE Technology based adapters with buggy SCO support */ | |
226 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
227 | ||
cfeb4145 MH |
228 | /* Digianswer devices */ |
229 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
230 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
231 | ||
232 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
233 | { USB_DEVICE(0x0a12, 0x0002), |
234 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
235 | |
236 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
237 | { USB_DEVICE(0x16d3, 0x0002), |
238 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 239 | |
dffd30ee THJA |
240 | /* Intel Bluetooth device */ |
241 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
ef4e5e4a | 242 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
dffd30ee | 243 | |
5e23b923 MH |
244 | { } /* Terminating entry */ |
245 | }; | |
246 | ||
9bfa35fe MH |
247 | #define BTUSB_MAX_ISOC_FRAMES 10 |
248 | ||
5e23b923 MH |
249 | #define BTUSB_INTR_RUNNING 0 |
250 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 251 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 252 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 253 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
254 | |
255 | struct btusb_data { | |
256 | struct hci_dev *hdev; | |
257 | struct usb_device *udev; | |
5fbcd260 | 258 | struct usb_interface *intf; |
9bfa35fe | 259 | struct usb_interface *isoc; |
5e23b923 MH |
260 | |
261 | spinlock_t lock; | |
262 | ||
263 | unsigned long flags; | |
264 | ||
265 | struct work_struct work; | |
7bee549e | 266 | struct work_struct waker; |
5e23b923 MH |
267 | |
268 | struct usb_anchor tx_anchor; | |
269 | struct usb_anchor intr_anchor; | |
270 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 271 | struct usb_anchor isoc_anchor; |
7bee549e ON |
272 | struct usb_anchor deferred; |
273 | int tx_in_flight; | |
274 | spinlock_t txlock; | |
5e23b923 MH |
275 | |
276 | struct usb_endpoint_descriptor *intr_ep; | |
277 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
278 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
279 | struct usb_endpoint_descriptor *isoc_tx_ep; |
280 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
281 | ||
7a9d4020 MH |
282 | __u8 cmdreq_type; |
283 | ||
43c2e57f | 284 | unsigned int sco_num; |
9bfa35fe | 285 | int isoc_altsetting; |
6a88adf2 | 286 | int suspend_count; |
5e23b923 MH |
287 | }; |
288 | ||
7bee549e ON |
289 | static int inc_tx(struct btusb_data *data) |
290 | { | |
291 | unsigned long flags; | |
292 | int rv; | |
293 | ||
294 | spin_lock_irqsave(&data->txlock, flags); | |
295 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
296 | if (!rv) | |
297 | data->tx_in_flight++; | |
298 | spin_unlock_irqrestore(&data->txlock, flags); | |
299 | ||
300 | return rv; | |
301 | } | |
302 | ||
5e23b923 MH |
303 | static void btusb_intr_complete(struct urb *urb) |
304 | { | |
305 | struct hci_dev *hdev = urb->context; | |
155961e8 | 306 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
307 | int err; |
308 | ||
309 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
310 | urb, urb->status, urb->actual_length); | |
311 | ||
312 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
313 | return; | |
314 | ||
315 | if (urb->status == 0) { | |
9bfa35fe MH |
316 | hdev->stat.byte_rx += urb->actual_length; |
317 | ||
5e23b923 MH |
318 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
319 | urb->transfer_buffer, | |
320 | urb->actual_length) < 0) { | |
321 | BT_ERR("%s corrupted event packet", hdev->name); | |
322 | hdev->stat.err_rx++; | |
323 | } | |
324 | } | |
325 | ||
326 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
327 | return; | |
328 | ||
7bee549e | 329 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
330 | usb_anchor_urb(urb, &data->intr_anchor); |
331 | ||
332 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
333 | if (err < 0) { | |
4935f1c1 PB |
334 | /* -EPERM: urb is being killed; |
335 | * -ENODEV: device got disconnected */ | |
336 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 337 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
338 | hdev->name, urb, -err); |
339 | usb_unanchor_urb(urb); | |
340 | } | |
341 | } | |
342 | ||
2eda66f4 | 343 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 344 | { |
155961e8 | 345 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
346 | struct urb *urb; |
347 | unsigned char *buf; | |
348 | unsigned int pipe; | |
349 | int err, size; | |
350 | ||
351 | BT_DBG("%s", hdev->name); | |
352 | ||
9bfa35fe MH |
353 | if (!data->intr_ep) |
354 | return -ENODEV; | |
355 | ||
2eda66f4 | 356 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
357 | if (!urb) |
358 | return -ENOMEM; | |
359 | ||
360 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
361 | ||
2eda66f4 | 362 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
363 | if (!buf) { |
364 | usb_free_urb(urb); | |
365 | return -ENOMEM; | |
366 | } | |
367 | ||
368 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
369 | ||
370 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
371 | btusb_intr_complete, hdev, | |
372 | data->intr_ep->bInterval); | |
373 | ||
374 | urb->transfer_flags |= URB_FREE_BUFFER; | |
375 | ||
376 | usb_anchor_urb(urb, &data->intr_anchor); | |
377 | ||
2eda66f4 | 378 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 379 | if (err < 0) { |
d4b8d1c9 PB |
380 | if (err != -EPERM && err != -ENODEV) |
381 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
382 | hdev->name, urb, -err); |
383 | usb_unanchor_urb(urb); | |
5e23b923 MH |
384 | } |
385 | ||
386 | usb_free_urb(urb); | |
387 | ||
388 | return err; | |
389 | } | |
390 | ||
391 | static void btusb_bulk_complete(struct urb *urb) | |
392 | { | |
393 | struct hci_dev *hdev = urb->context; | |
155961e8 | 394 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
395 | int err; |
396 | ||
397 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
398 | urb, urb->status, urb->actual_length); | |
399 | ||
400 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
401 | return; | |
402 | ||
403 | if (urb->status == 0) { | |
9bfa35fe MH |
404 | hdev->stat.byte_rx += urb->actual_length; |
405 | ||
5e23b923 MH |
406 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
407 | urb->transfer_buffer, | |
408 | urb->actual_length) < 0) { | |
409 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
410 | hdev->stat.err_rx++; | |
411 | } | |
412 | } | |
413 | ||
414 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
415 | return; | |
416 | ||
417 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 418 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
419 | |
420 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
421 | if (err < 0) { | |
4935f1c1 PB |
422 | /* -EPERM: urb is being killed; |
423 | * -ENODEV: device got disconnected */ | |
424 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 425 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
426 | hdev->name, urb, -err); |
427 | usb_unanchor_urb(urb); | |
428 | } | |
429 | } | |
430 | ||
2eda66f4 | 431 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 432 | { |
155961e8 | 433 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
434 | struct urb *urb; |
435 | unsigned char *buf; | |
436 | unsigned int pipe; | |
290ba200 | 437 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
438 | |
439 | BT_DBG("%s", hdev->name); | |
440 | ||
9bfa35fe MH |
441 | if (!data->bulk_rx_ep) |
442 | return -ENODEV; | |
443 | ||
2eda66f4 | 444 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
445 | if (!urb) |
446 | return -ENOMEM; | |
447 | ||
2eda66f4 | 448 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
449 | if (!buf) { |
450 | usb_free_urb(urb); | |
451 | return -ENOMEM; | |
452 | } | |
453 | ||
454 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
455 | ||
456 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
457 | buf, size, btusb_bulk_complete, hdev); | |
458 | ||
459 | urb->transfer_flags |= URB_FREE_BUFFER; | |
460 | ||
7bee549e | 461 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
462 | usb_anchor_urb(urb, &data->bulk_anchor); |
463 | ||
2eda66f4 | 464 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 465 | if (err < 0) { |
d4b8d1c9 PB |
466 | if (err != -EPERM && err != -ENODEV) |
467 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
468 | hdev->name, urb, -err); |
469 | usb_unanchor_urb(urb); | |
5e23b923 MH |
470 | } |
471 | ||
472 | usb_free_urb(urb); | |
473 | ||
474 | return err; | |
475 | } | |
476 | ||
9bfa35fe MH |
477 | static void btusb_isoc_complete(struct urb *urb) |
478 | { | |
479 | struct hci_dev *hdev = urb->context; | |
155961e8 | 480 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
481 | int i, err; |
482 | ||
483 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
484 | urb, urb->status, urb->actual_length); | |
485 | ||
486 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
487 | return; | |
488 | ||
489 | if (urb->status == 0) { | |
490 | for (i = 0; i < urb->number_of_packets; i++) { | |
491 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
492 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
493 | ||
494 | if (urb->iso_frame_desc[i].status) | |
495 | continue; | |
496 | ||
497 | hdev->stat.byte_rx += length; | |
498 | ||
499 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
500 | urb->transfer_buffer + offset, | |
501 | length) < 0) { | |
502 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
503 | hdev->stat.err_rx++; | |
504 | } | |
505 | } | |
506 | } | |
507 | ||
508 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
509 | return; | |
510 | ||
511 | usb_anchor_urb(urb, &data->isoc_anchor); | |
512 | ||
513 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
514 | if (err < 0) { | |
4935f1c1 PB |
515 | /* -EPERM: urb is being killed; |
516 | * -ENODEV: device got disconnected */ | |
517 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 518 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
519 | hdev->name, urb, -err); |
520 | usb_unanchor_urb(urb); | |
521 | } | |
522 | } | |
523 | ||
42b16b3f | 524 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
525 | { |
526 | int i, offset = 0; | |
527 | ||
528 | BT_DBG("len %d mtu %d", len, mtu); | |
529 | ||
530 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
531 | i++, offset += mtu, len -= mtu) { | |
532 | urb->iso_frame_desc[i].offset = offset; | |
533 | urb->iso_frame_desc[i].length = mtu; | |
534 | } | |
535 | ||
536 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
537 | urb->iso_frame_desc[i].offset = offset; | |
538 | urb->iso_frame_desc[i].length = len; | |
539 | i++; | |
540 | } | |
541 | ||
542 | urb->number_of_packets = i; | |
543 | } | |
544 | ||
2eda66f4 | 545 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 546 | { |
155961e8 | 547 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
548 | struct urb *urb; |
549 | unsigned char *buf; | |
550 | unsigned int pipe; | |
551 | int err, size; | |
552 | ||
553 | BT_DBG("%s", hdev->name); | |
554 | ||
555 | if (!data->isoc_rx_ep) | |
556 | return -ENODEV; | |
557 | ||
2eda66f4 | 558 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
559 | if (!urb) |
560 | return -ENOMEM; | |
561 | ||
562 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
563 | BTUSB_MAX_ISOC_FRAMES; | |
564 | ||
2eda66f4 | 565 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
566 | if (!buf) { |
567 | usb_free_urb(urb); | |
568 | return -ENOMEM; | |
569 | } | |
570 | ||
571 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
572 | ||
fa0fb93f BZ |
573 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
574 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
575 | |
576 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
577 | |
578 | __fill_isoc_descriptor(urb, size, | |
579 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
580 | ||
581 | usb_anchor_urb(urb, &data->isoc_anchor); | |
582 | ||
2eda66f4 | 583 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 584 | if (err < 0) { |
d4b8d1c9 PB |
585 | if (err != -EPERM && err != -ENODEV) |
586 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
587 | hdev->name, urb, -err); |
588 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
589 | } |
590 | ||
591 | usb_free_urb(urb); | |
592 | ||
593 | return err; | |
594 | } | |
595 | ||
5e23b923 | 596 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
597 | { |
598 | struct sk_buff *skb = urb->context; | |
599 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 600 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
601 | |
602 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
603 | urb, urb->status, urb->actual_length); | |
604 | ||
605 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
606 | goto done; | |
607 | ||
608 | if (!urb->status) | |
609 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
610 | else | |
611 | hdev->stat.err_tx++; | |
612 | ||
613 | done: | |
614 | spin_lock(&data->txlock); | |
615 | data->tx_in_flight--; | |
616 | spin_unlock(&data->txlock); | |
617 | ||
618 | kfree(urb->setup_packet); | |
619 | ||
620 | kfree_skb(skb); | |
621 | } | |
622 | ||
623 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
624 | { |
625 | struct sk_buff *skb = urb->context; | |
626 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
627 | ||
628 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
629 | urb, urb->status, urb->actual_length); | |
630 | ||
631 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
632 | goto done; | |
633 | ||
634 | if (!urb->status) | |
635 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
636 | else | |
637 | hdev->stat.err_tx++; | |
638 | ||
639 | done: | |
640 | kfree(urb->setup_packet); | |
641 | ||
642 | kfree_skb(skb); | |
643 | } | |
644 | ||
645 | static int btusb_open(struct hci_dev *hdev) | |
646 | { | |
155961e8 | 647 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
648 | int err; |
649 | ||
650 | BT_DBG("%s", hdev->name); | |
651 | ||
7bee549e ON |
652 | err = usb_autopm_get_interface(data->intf); |
653 | if (err < 0) | |
654 | return err; | |
655 | ||
656 | data->intf->needs_remote_wakeup = 1; | |
657 | ||
5e23b923 | 658 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 659 | goto done; |
5e23b923 MH |
660 | |
661 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 662 | goto done; |
5e23b923 | 663 | |
2eda66f4 | 664 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
665 | if (err < 0) |
666 | goto failed; | |
667 | ||
668 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 669 | if (err < 0) { |
43c2e57f MH |
670 | usb_kill_anchored_urbs(&data->intr_anchor); |
671 | goto failed; | |
5e23b923 MH |
672 | } |
673 | ||
43c2e57f MH |
674 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
675 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
676 | ||
7bee549e ON |
677 | done: |
678 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
679 | return 0; |
680 | ||
681 | failed: | |
682 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
683 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 684 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
685 | return err; |
686 | } | |
687 | ||
7bee549e ON |
688 | static void btusb_stop_traffic(struct btusb_data *data) |
689 | { | |
690 | usb_kill_anchored_urbs(&data->intr_anchor); | |
691 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
692 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
693 | } | |
694 | ||
5e23b923 MH |
695 | static int btusb_close(struct hci_dev *hdev) |
696 | { | |
155961e8 | 697 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 698 | int err; |
5e23b923 MH |
699 | |
700 | BT_DBG("%s", hdev->name); | |
701 | ||
702 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
703 | return 0; | |
704 | ||
e8c3c3d2 | 705 | cancel_work_sync(&data->work); |
404291ac | 706 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 707 | |
9bfa35fe | 708 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 709 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 710 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
711 | |
712 | btusb_stop_traffic(data); | |
713 | err = usb_autopm_get_interface(data->intf); | |
714 | if (err < 0) | |
7b8e2c1d | 715 | goto failed; |
7bee549e ON |
716 | |
717 | data->intf->needs_remote_wakeup = 0; | |
718 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 719 | |
7b8e2c1d ON |
720 | failed: |
721 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
722 | return 0; |
723 | } | |
724 | ||
725 | static int btusb_flush(struct hci_dev *hdev) | |
726 | { | |
155961e8 | 727 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
728 | |
729 | BT_DBG("%s", hdev->name); | |
730 | ||
731 | usb_kill_anchored_urbs(&data->tx_anchor); | |
732 | ||
733 | return 0; | |
734 | } | |
735 | ||
7bd8f09f | 736 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 737 | { |
155961e8 | 738 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
739 | struct usb_ctrlrequest *dr; |
740 | struct urb *urb; | |
741 | unsigned int pipe; | |
742 | int err; | |
743 | ||
744 | BT_DBG("%s", hdev->name); | |
745 | ||
746 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
747 | return -EBUSY; | |
748 | ||
7bd8f09f MH |
749 | skb->dev = (void *) hdev; |
750 | ||
5e23b923 MH |
751 | switch (bt_cb(skb)->pkt_type) { |
752 | case HCI_COMMAND_PKT: | |
753 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
754 | if (!urb) | |
755 | return -ENOMEM; | |
756 | ||
757 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
758 | if (!dr) { | |
759 | usb_free_urb(urb); | |
760 | return -ENOMEM; | |
761 | } | |
762 | ||
7a9d4020 | 763 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
764 | dr->bRequest = 0; |
765 | dr->wIndex = 0; | |
766 | dr->wValue = 0; | |
767 | dr->wLength = __cpu_to_le16(skb->len); | |
768 | ||
769 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
770 | ||
771 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
772 | skb->data, skb->len, btusb_tx_complete, skb); | |
773 | ||
774 | hdev->stat.cmd_tx++; | |
775 | break; | |
776 | ||
777 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 778 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
779 | return -ENODEV; |
780 | ||
5e23b923 MH |
781 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
782 | if (!urb) | |
783 | return -ENOMEM; | |
784 | ||
785 | pipe = usb_sndbulkpipe(data->udev, | |
786 | data->bulk_tx_ep->bEndpointAddress); | |
787 | ||
788 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
789 | skb->data, skb->len, btusb_tx_complete, skb); | |
790 | ||
791 | hdev->stat.acl_tx++; | |
792 | break; | |
793 | ||
794 | case HCI_SCODATA_PKT: | |
014f7bc7 | 795 | if (!data->isoc_tx_ep || hci_conn_num(hdev, SCO_LINK) < 1) |
9bfa35fe MH |
796 | return -ENODEV; |
797 | ||
798 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
799 | if (!urb) | |
800 | return -ENOMEM; | |
801 | ||
802 | pipe = usb_sndisocpipe(data->udev, | |
803 | data->isoc_tx_ep->bEndpointAddress); | |
804 | ||
03c2d0e8 GP |
805 | usb_fill_int_urb(urb, data->udev, pipe, |
806 | skb->data, skb->len, btusb_isoc_tx_complete, | |
807 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
808 | |
809 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
810 | |
811 | __fill_isoc_descriptor(urb, skb->len, | |
812 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
813 | ||
5e23b923 | 814 | hdev->stat.sco_tx++; |
7bee549e | 815 | goto skip_waking; |
5e23b923 MH |
816 | |
817 | default: | |
818 | return -EILSEQ; | |
819 | } | |
820 | ||
7bee549e ON |
821 | err = inc_tx(data); |
822 | if (err) { | |
823 | usb_anchor_urb(urb, &data->deferred); | |
824 | schedule_work(&data->waker); | |
825 | err = 0; | |
826 | goto done; | |
827 | } | |
828 | ||
829 | skip_waking: | |
5e23b923 MH |
830 | usb_anchor_urb(urb, &data->tx_anchor); |
831 | ||
832 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
833 | if (err < 0) { | |
5a9b80e2 PB |
834 | if (err != -EPERM && err != -ENODEV) |
835 | BT_ERR("%s urb %p submission failed (%d)", | |
836 | hdev->name, urb, -err); | |
5e23b923 MH |
837 | kfree(urb->setup_packet); |
838 | usb_unanchor_urb(urb); | |
7bee549e ON |
839 | } else { |
840 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
841 | } |
842 | ||
7bee549e | 843 | done: |
54a8a79c | 844 | usb_free_urb(urb); |
5e23b923 MH |
845 | return err; |
846 | } | |
847 | ||
5e23b923 MH |
848 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
849 | { | |
155961e8 | 850 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
851 | |
852 | BT_DBG("%s evt %d", hdev->name, evt); | |
853 | ||
014f7bc7 MH |
854 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
855 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 856 | schedule_work(&data->work); |
a780efa8 | 857 | } |
5e23b923 MH |
858 | } |
859 | ||
42b16b3f | 860 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 861 | { |
155961e8 | 862 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
863 | struct usb_interface *intf = data->isoc; |
864 | struct usb_endpoint_descriptor *ep_desc; | |
865 | int i, err; | |
866 | ||
867 | if (!data->isoc) | |
868 | return -ENODEV; | |
869 | ||
870 | err = usb_set_interface(data->udev, 1, altsetting); | |
871 | if (err < 0) { | |
872 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
873 | return err; | |
874 | } | |
875 | ||
876 | data->isoc_altsetting = altsetting; | |
877 | ||
878 | data->isoc_tx_ep = NULL; | |
879 | data->isoc_rx_ep = NULL; | |
880 | ||
881 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
882 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
883 | ||
884 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
885 | data->isoc_tx_ep = ep_desc; | |
886 | continue; | |
887 | } | |
888 | ||
889 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
890 | data->isoc_rx_ep = ep_desc; | |
891 | continue; | |
892 | } | |
893 | } | |
894 | ||
895 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
896 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
897 | return -ENODEV; | |
898 | } | |
899 | ||
900 | return 0; | |
901 | } | |
902 | ||
5e23b923 MH |
903 | static void btusb_work(struct work_struct *work) |
904 | { | |
905 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
906 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 907 | int new_alts; |
7bee549e | 908 | int err; |
5e23b923 | 909 | |
014f7bc7 | 910 | if (data->sco_num > 0) { |
08b8b6c4 | 911 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 912 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
913 | if (err < 0) { |
914 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
915 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
916 | return; | |
917 | } | |
918 | ||
08b8b6c4 | 919 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 920 | } |
f4001d28 MA |
921 | |
922 | if (hdev->voice_setting & 0x0020) { | |
923 | static const int alts[3] = { 2, 4, 5 }; | |
014f7bc7 | 924 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 925 | } else { |
014f7bc7 | 926 | new_alts = data->sco_num; |
f4001d28 MA |
927 | } |
928 | ||
929 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
930 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
931 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
932 | ||
f4001d28 | 933 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
934 | return; |
935 | } | |
936 | ||
937 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 938 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
939 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
940 | else | |
2eda66f4 | 941 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
942 | } |
943 | } else { | |
944 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
945 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
946 | ||
947 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 948 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 949 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
950 | } |
951 | } | |
952 | ||
7bee549e ON |
953 | static void btusb_waker(struct work_struct *work) |
954 | { | |
955 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
956 | int err; | |
957 | ||
958 | err = usb_autopm_get_interface(data->intf); | |
959 | if (err < 0) | |
960 | return; | |
961 | ||
962 | usb_autopm_put_interface(data->intf); | |
963 | } | |
964 | ||
9f8f962c MH |
965 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
966 | { | |
967 | struct sk_buff *skb; | |
968 | u8 val = 0x00; | |
969 | ||
970 | BT_DBG("%s", hdev->name); | |
971 | ||
972 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
973 | if (IS_ERR(skb)) | |
974 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
975 | else | |
976 | kfree_skb(skb); | |
977 | ||
978 | return 0; | |
979 | } | |
980 | ||
81cac64b MH |
981 | static int btusb_setup_csr(struct hci_dev *hdev) |
982 | { | |
983 | struct hci_rp_read_local_version *rp; | |
984 | struct sk_buff *skb; | |
985 | int ret; | |
986 | ||
987 | BT_DBG("%s", hdev->name); | |
988 | ||
989 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
990 | HCI_INIT_TIMEOUT); | |
991 | if (IS_ERR(skb)) { | |
992 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); | |
993 | return -PTR_ERR(skb); | |
994 | } | |
995 | ||
996 | rp = (struct hci_rp_read_local_version *) skb->data; | |
997 | ||
998 | if (!rp->status) { | |
999 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
1000 | /* Clear the reset quirk since this is not an actual | |
1001 | * early Bluetooth 1.1 device from CSR. | |
1002 | */ | |
1003 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
1004 | ||
1005 | /* These fake CSR controllers have all a broken | |
1006 | * stored link key handling and so just disable it. | |
1007 | */ | |
1008 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
1009 | &hdev->quirks); | |
1010 | } | |
1011 | } | |
1012 | ||
1013 | ret = -bt_to_errno(rp->status); | |
1014 | ||
1015 | kfree_skb(skb); | |
1016 | ||
1017 | return ret; | |
1018 | } | |
1019 | ||
dffd30ee THJA |
1020 | struct intel_version { |
1021 | u8 status; | |
1022 | u8 hw_platform; | |
1023 | u8 hw_variant; | |
1024 | u8 hw_revision; | |
1025 | u8 fw_variant; | |
1026 | u8 fw_revision; | |
1027 | u8 fw_build_num; | |
1028 | u8 fw_build_ww; | |
1029 | u8 fw_build_yy; | |
1030 | u8 fw_patch_num; | |
1031 | } __packed; | |
1032 | ||
1033 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
1034 | struct intel_version *ver) | |
1035 | { | |
1036 | const struct firmware *fw; | |
1037 | char fwname[64]; | |
1038 | int ret; | |
1039 | ||
1040 | snprintf(fwname, sizeof(fwname), | |
1041 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1042 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1043 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1044 | ver->fw_build_ww, ver->fw_build_yy); | |
1045 | ||
1046 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1047 | if (ret < 0) { | |
1048 | if (ret == -EINVAL) { | |
1049 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1050 | hdev->name, ret); | |
1051 | return NULL; | |
1052 | } | |
1053 | ||
1054 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1055 | hdev->name, fwname, ret); | |
1056 | ||
1057 | /* If the correct firmware patch file is not found, use the | |
1058 | * default firmware patch file instead | |
1059 | */ | |
1060 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1061 | ver->hw_platform, ver->hw_variant); | |
1062 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1063 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1064 | hdev->name, fwname); | |
1065 | return NULL; | |
1066 | } | |
1067 | } | |
1068 | ||
1069 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1070 | ||
1071 | return fw; | |
1072 | } | |
1073 | ||
1074 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1075 | const struct firmware *fw, | |
1076 | const u8 **fw_ptr, int *disable_patch) | |
1077 | { | |
1078 | struct sk_buff *skb; | |
1079 | struct hci_command_hdr *cmd; | |
1080 | const u8 *cmd_param; | |
1081 | struct hci_event_hdr *evt = NULL; | |
1082 | const u8 *evt_param = NULL; | |
1083 | int remain = fw->size - (*fw_ptr - fw->data); | |
1084 | ||
1085 | /* The first byte indicates the types of the patch command or event. | |
1086 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1087 | * in the current firmware buffer doesn't start with 0x01 or | |
1088 | * the size of remain buffer is smaller than HCI command header, | |
1089 | * the firmware file is corrupted and it should stop the patching | |
1090 | * process. | |
1091 | */ | |
1092 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1093 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1094 | return -EINVAL; | |
1095 | } | |
1096 | (*fw_ptr)++; | |
1097 | remain--; | |
1098 | ||
1099 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1100 | *fw_ptr += sizeof(*cmd); | |
1101 | remain -= sizeof(*cmd); | |
1102 | ||
1103 | /* Ensure that the remain firmware data is long enough than the length | |
1104 | * of command parameter. If not, the firmware file is corrupted. | |
1105 | */ | |
1106 | if (remain < cmd->plen) { | |
1107 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1108 | return -EFAULT; | |
1109 | } | |
1110 | ||
1111 | /* If there is a command that loads a patch in the firmware | |
1112 | * file, then enable the patch upon success, otherwise just | |
1113 | * disable the manufacturer mode, for example patch activation | |
1114 | * is not required when the default firmware patch file is used | |
1115 | * because there are no patch data to load. | |
1116 | */ | |
1117 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1118 | *disable_patch = 0; | |
1119 | ||
1120 | cmd_param = *fw_ptr; | |
1121 | *fw_ptr += cmd->plen; | |
1122 | remain -= cmd->plen; | |
1123 | ||
1124 | /* This reads the expected events when the above command is sent to the | |
1125 | * device. Some vendor commands expects more than one events, for | |
1126 | * example command status event followed by vendor specific event. | |
1127 | * For this case, it only keeps the last expected event. so the command | |
1128 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1129 | * last expected event. | |
1130 | */ | |
1131 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1132 | (*fw_ptr)++; | |
1133 | remain--; | |
1134 | ||
1135 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1136 | *fw_ptr += sizeof(*evt); | |
1137 | remain -= sizeof(*evt); | |
1138 | ||
1139 | if (remain < evt->plen) { | |
1140 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1141 | hdev->name); | |
1142 | return -EFAULT; | |
1143 | } | |
1144 | ||
1145 | evt_param = *fw_ptr; | |
1146 | *fw_ptr += evt->plen; | |
1147 | remain -= evt->plen; | |
1148 | } | |
1149 | ||
1150 | /* Every HCI commands in the firmware file has its correspond event. | |
1151 | * If event is not found or remain is smaller than zero, the firmware | |
1152 | * file is corrupted. | |
1153 | */ | |
1154 | if (!evt || !evt_param || remain < 0) { | |
1155 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1156 | return -EFAULT; | |
1157 | } | |
1158 | ||
1159 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1160 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1161 | if (IS_ERR(skb)) { | |
1162 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1163 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1164 | return PTR_ERR(skb); |
dffd30ee THJA |
1165 | } |
1166 | ||
1167 | /* It ensures that the returned event matches the event data read from | |
1168 | * the firmware file. At fist, it checks the length and then | |
1169 | * the contents of the event. | |
1170 | */ | |
1171 | if (skb->len != evt->plen) { | |
1172 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1173 | le16_to_cpu(cmd->opcode)); | |
1174 | kfree_skb(skb); | |
1175 | return -EFAULT; | |
1176 | } | |
1177 | ||
1178 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1179 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1180 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1181 | kfree_skb(skb); | |
1182 | return -EFAULT; | |
1183 | } | |
1184 | kfree_skb(skb); | |
1185 | ||
1186 | return 0; | |
1187 | } | |
1188 | ||
40cb0984 MH |
1189 | #define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}}) |
1190 | ||
1191 | static int btusb_check_bdaddr_intel(struct hci_dev *hdev) | |
1192 | { | |
1193 | struct sk_buff *skb; | |
1194 | struct hci_rp_read_bd_addr *rp; | |
1195 | ||
1196 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1197 | HCI_INIT_TIMEOUT); | |
1198 | if (IS_ERR(skb)) { | |
1199 | BT_ERR("%s reading Intel device address failed (%ld)", | |
1200 | hdev->name, PTR_ERR(skb)); | |
1201 | return PTR_ERR(skb); | |
1202 | } | |
1203 | ||
1204 | if (skb->len != sizeof(*rp)) { | |
1205 | BT_ERR("%s Intel device address length mismatch", hdev->name); | |
1206 | kfree_skb(skb); | |
1207 | return -EIO; | |
1208 | } | |
1209 | ||
1210 | rp = (struct hci_rp_read_bd_addr *) skb->data; | |
1211 | if (rp->status) { | |
1212 | BT_ERR("%s Intel device address result failed (%02x)", | |
1213 | hdev->name, rp->status); | |
1214 | kfree_skb(skb); | |
1215 | return -bt_to_errno(rp->status); | |
1216 | } | |
1217 | ||
1218 | /* For some Intel based controllers, the default Bluetooth device | |
1219 | * address 00:03:19:9E:8B:00 can be found. These controllers are | |
1220 | * fully operational, but have the danger of duplicate addresses | |
1221 | * and that in turn can cause problems with Bluetooth operation. | |
1222 | */ | |
4739b5b1 | 1223 | if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) { |
40cb0984 MH |
1224 | BT_ERR("%s found Intel default device address (%pMR)", |
1225 | hdev->name, &rp->bdaddr); | |
4739b5b1 MH |
1226 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1227 | } | |
40cb0984 MH |
1228 | |
1229 | kfree_skb(skb); | |
1230 | ||
1231 | return 0; | |
1232 | } | |
1233 | ||
dffd30ee THJA |
1234 | static int btusb_setup_intel(struct hci_dev *hdev) |
1235 | { | |
1236 | struct sk_buff *skb; | |
1237 | const struct firmware *fw; | |
1238 | const u8 *fw_ptr; | |
1239 | int disable_patch; | |
1240 | struct intel_version *ver; | |
1241 | ||
1242 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1243 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1244 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1245 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1246 | ||
1247 | BT_DBG("%s", hdev->name); | |
1248 | ||
1249 | /* The controller has a bug with the first HCI command sent to it | |
1250 | * returning number of completed commands as zero. This would stall the | |
1251 | * command processing in the Bluetooth core. | |
1252 | * | |
1253 | * As a workaround, send HCI Reset command first which will reset the | |
1254 | * number of completed commands and allow normal command processing | |
1255 | * from now on. | |
1256 | */ | |
1257 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1258 | if (IS_ERR(skb)) { | |
1259 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1260 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1261 | return PTR_ERR(skb); |
dffd30ee THJA |
1262 | } |
1263 | kfree_skb(skb); | |
1264 | ||
1265 | /* Read Intel specific controller version first to allow selection of | |
1266 | * which firmware file to load. | |
1267 | * | |
1268 | * The returned information are hardware variant and revision plus | |
1269 | * firmware variant, revision and build number. | |
1270 | */ | |
1271 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1272 | if (IS_ERR(skb)) { | |
1273 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1274 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1275 | return PTR_ERR(skb); |
dffd30ee THJA |
1276 | } |
1277 | ||
1278 | if (skb->len != sizeof(*ver)) { | |
1279 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1280 | kfree_skb(skb); | |
1281 | return -EIO; | |
1282 | } | |
1283 | ||
1284 | ver = (struct intel_version *)skb->data; | |
1285 | if (ver->status) { | |
1286 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1287 | ver->status); | |
1288 | kfree_skb(skb); | |
1289 | return -bt_to_errno(ver->status); | |
1290 | } | |
1291 | ||
1292 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1293 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1294 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1295 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1296 | ver->fw_patch_num); | |
1297 | ||
1298 | /* fw_patch_num indicates the version of patch the device currently | |
1299 | * have. If there is no patch data in the device, it is always 0x00. | |
1300 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1301 | */ | |
1302 | if (ver->fw_patch_num) { | |
1303 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1304 | hdev->name, ver->fw_patch_num); | |
1305 | kfree_skb(skb); | |
40cb0984 | 1306 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1307 | return 0; |
1308 | } | |
1309 | ||
1310 | /* Opens the firmware patch file based on the firmware version read | |
1311 | * from the controller. If it fails to open the matching firmware | |
1312 | * patch file, it tries to open the default firmware patch file. | |
1313 | * If no patch file is found, allow the device to operate without | |
1314 | * a patch. | |
1315 | */ | |
1316 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1317 | if (!fw) { | |
1318 | kfree_skb(skb); | |
40cb0984 | 1319 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1320 | return 0; |
1321 | } | |
1322 | fw_ptr = fw->data; | |
1323 | ||
1324 | /* This Intel specific command enables the manufacturer mode of the | |
1325 | * controller. | |
1326 | * | |
1327 | * Only while this mode is enabled, the driver can download the | |
1328 | * firmware patch data and configuration parameters. | |
1329 | */ | |
1330 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1331 | if (IS_ERR(skb)) { | |
1332 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1333 | hdev->name, PTR_ERR(skb)); | |
1334 | release_firmware(fw); | |
d9c78e97 | 1335 | return PTR_ERR(skb); |
dffd30ee THJA |
1336 | } |
1337 | ||
1338 | if (skb->data[0]) { | |
1339 | u8 evt_status = skb->data[0]; | |
1340 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", | |
1341 | hdev->name, evt_status); | |
1342 | kfree_skb(skb); | |
1343 | release_firmware(fw); | |
1344 | return -bt_to_errno(evt_status); | |
1345 | } | |
1346 | kfree_skb(skb); | |
1347 | ||
1348 | disable_patch = 1; | |
1349 | ||
1350 | /* The firmware data file consists of list of Intel specific HCI | |
1351 | * commands and its expected events. The first byte indicates the | |
1352 | * type of the message, either HCI command or HCI event. | |
1353 | * | |
1354 | * It reads the command and its expected event from the firmware file, | |
1355 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1356 | * the returned event is compared with the event read from the firmware | |
1357 | * file and it will continue until all the messages are downloaded to | |
1358 | * the controller. | |
1359 | * | |
1360 | * Once the firmware patching is completed successfully, | |
1361 | * the manufacturer mode is disabled with reset and activating the | |
1362 | * downloaded patch. | |
1363 | * | |
1364 | * If the firmware patching fails, the manufacturer mode is | |
1365 | * disabled with reset and deactivating the patch. | |
1366 | * | |
1367 | * If the default patch file is used, no reset is done when disabling | |
1368 | * the manufacturer. | |
1369 | */ | |
1370 | while (fw->size > fw_ptr - fw->data) { | |
1371 | int ret; | |
1372 | ||
1373 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1374 | &disable_patch); | |
1375 | if (ret < 0) | |
1376 | goto exit_mfg_deactivate; | |
1377 | } | |
1378 | ||
1379 | release_firmware(fw); | |
1380 | ||
1381 | if (disable_patch) | |
1382 | goto exit_mfg_disable; | |
1383 | ||
1384 | /* Patching completed successfully and disable the manufacturer mode | |
1385 | * with reset and activate the downloaded firmware patches. | |
1386 | */ | |
1387 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1388 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1389 | if (IS_ERR(skb)) { | |
1390 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1391 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1392 | return PTR_ERR(skb); |
dffd30ee THJA |
1393 | } |
1394 | kfree_skb(skb); | |
1395 | ||
1396 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1397 | hdev->name); | |
1398 | ||
40cb0984 | 1399 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1400 | return 0; |
1401 | ||
1402 | exit_mfg_disable: | |
1403 | /* Disable the manufacturer mode without reset */ | |
1404 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1405 | HCI_INIT_TIMEOUT); | |
1406 | if (IS_ERR(skb)) { | |
1407 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1408 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1409 | return PTR_ERR(skb); |
dffd30ee THJA |
1410 | } |
1411 | kfree_skb(skb); | |
1412 | ||
1413 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 MH |
1414 | |
1415 | btusb_check_bdaddr_intel(hdev); | |
dffd30ee THJA |
1416 | return 0; |
1417 | ||
1418 | exit_mfg_deactivate: | |
1419 | release_firmware(fw); | |
1420 | ||
1421 | /* Patching failed. Disable the manufacturer mode with reset and | |
1422 | * deactivate the downloaded firmware patches. | |
1423 | */ | |
1424 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1425 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1426 | if (IS_ERR(skb)) { | |
1427 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1428 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1429 | return PTR_ERR(skb); |
dffd30ee THJA |
1430 | } |
1431 | kfree_skb(skb); | |
1432 | ||
1433 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1434 | hdev->name); | |
1435 | ||
40cb0984 | 1436 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1437 | return 0; |
1438 | } | |
1439 | ||
cb8d6597 MH |
1440 | static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1441 | { | |
1442 | struct sk_buff *skb; | |
1443 | long ret; | |
1444 | ||
1445 | skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1446 | if (IS_ERR(skb)) { | |
1447 | ret = PTR_ERR(skb); | |
1448 | BT_ERR("%s: changing Intel device address failed (%ld)", | |
1449 | hdev->name, ret); | |
1450 | return ret; | |
1451 | } | |
1452 | kfree_skb(skb); | |
1453 | ||
1454 | return 0; | |
1455 | } | |
1456 | ||
c8abb73f MH |
1457 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) |
1458 | ||
10d4c673 PG |
1459 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
1460 | { | |
1461 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1462 | struct usb_device *udev = data->udev; | |
1463 | char fw_name[64]; | |
1464 | const struct firmware *fw; | |
1465 | const u8 *fw_ptr; | |
1466 | size_t fw_size; | |
1467 | const struct hci_command_hdr *cmd; | |
1468 | const u8 *cmd_param; | |
1469 | u16 opcode; | |
1470 | struct sk_buff *skb; | |
1471 | struct hci_rp_read_local_version *ver; | |
c8abb73f | 1472 | struct hci_rp_read_bd_addr *bda; |
10d4c673 PG |
1473 | long ret; |
1474 | ||
1475 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd", | |
1476 | udev->product ? udev->product : "BCM", | |
1477 | le16_to_cpu(udev->descriptor.idVendor), | |
1478 | le16_to_cpu(udev->descriptor.idProduct)); | |
1479 | ||
1480 | ret = request_firmware(&fw, fw_name, &hdev->dev); | |
1481 | if (ret < 0) { | |
c8abb73f | 1482 | BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name); |
10d4c673 PG |
1483 | return 0; |
1484 | } | |
1485 | ||
1486 | /* Reset */ | |
1487 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1488 | if (IS_ERR(skb)) { | |
1489 | ret = PTR_ERR(skb); | |
1490 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1491 | goto done; | |
1492 | } | |
1493 | kfree_skb(skb); | |
1494 | ||
1495 | /* Read Local Version Info */ | |
1496 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1497 | HCI_INIT_TIMEOUT); | |
1498 | if (IS_ERR(skb)) { | |
1499 | ret = PTR_ERR(skb); | |
1500 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
1501 | hdev->name, ret); | |
1502 | goto done; | |
1503 | } | |
1504 | ||
1505 | if (skb->len != sizeof(*ver)) { | |
1506 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
1507 | hdev->name); | |
1508 | kfree_skb(skb); | |
1509 | ret = -EIO; | |
1510 | goto done; | |
1511 | } | |
1512 | ||
1513 | ver = (struct hci_rp_read_local_version *) skb->data; | |
1514 | BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x " | |
1515 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1516 | ver->lmp_ver, ver->lmp_subver); | |
1517 | kfree_skb(skb); | |
1518 | ||
1519 | /* Start Download */ | |
1520 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); | |
1521 | if (IS_ERR(skb)) { | |
1522 | ret = PTR_ERR(skb); | |
1523 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", | |
1524 | hdev->name, ret); | |
1525 | goto reset_fw; | |
1526 | } | |
1527 | kfree_skb(skb); | |
1528 | ||
1529 | /* 50 msec delay after Download Minidrv completes */ | |
1530 | msleep(50); | |
1531 | ||
1532 | fw_ptr = fw->data; | |
1533 | fw_size = fw->size; | |
1534 | ||
1535 | while (fw_size >= sizeof(*cmd)) { | |
1536 | cmd = (struct hci_command_hdr *) fw_ptr; | |
1537 | fw_ptr += sizeof(*cmd); | |
1538 | fw_size -= sizeof(*cmd); | |
1539 | ||
1540 | if (fw_size < cmd->plen) { | |
1541 | BT_ERR("%s: BCM: patch %s is corrupted", | |
1542 | hdev->name, fw_name); | |
1543 | ret = -EINVAL; | |
1544 | goto reset_fw; | |
1545 | } | |
1546 | ||
1547 | cmd_param = fw_ptr; | |
1548 | fw_ptr += cmd->plen; | |
1549 | fw_size -= cmd->plen; | |
1550 | ||
1551 | opcode = le16_to_cpu(cmd->opcode); | |
1552 | ||
1553 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, | |
1554 | HCI_INIT_TIMEOUT); | |
1555 | if (IS_ERR(skb)) { | |
1556 | ret = PTR_ERR(skb); | |
1557 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", | |
1558 | hdev->name, opcode, ret); | |
1559 | goto reset_fw; | |
1560 | } | |
1561 | kfree_skb(skb); | |
1562 | } | |
1563 | ||
1564 | /* 250 msec delay after Launch Ram completes */ | |
1565 | msleep(250); | |
1566 | ||
1567 | reset_fw: | |
1568 | /* Reset */ | |
1569 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1570 | if (IS_ERR(skb)) { | |
1571 | ret = PTR_ERR(skb); | |
1572 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1573 | goto done; | |
1574 | } | |
1575 | kfree_skb(skb); | |
1576 | ||
1577 | /* Read Local Version Info */ | |
1578 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1579 | HCI_INIT_TIMEOUT); | |
1580 | if (IS_ERR(skb)) { | |
1581 | ret = PTR_ERR(skb); | |
1582 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
1583 | hdev->name, ret); | |
1584 | goto done; | |
1585 | } | |
1586 | ||
1587 | if (skb->len != sizeof(*ver)) { | |
1588 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
1589 | hdev->name); | |
1590 | kfree_skb(skb); | |
1591 | ret = -EIO; | |
1592 | goto done; | |
1593 | } | |
1594 | ||
1595 | ver = (struct hci_rp_read_local_version *) skb->data; | |
1596 | BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x " | |
1597 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1598 | ver->lmp_ver, ver->lmp_subver); | |
1599 | kfree_skb(skb); | |
1600 | ||
c8abb73f MH |
1601 | /* Read BD Address */ |
1602 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1603 | HCI_INIT_TIMEOUT); | |
1604 | if (IS_ERR(skb)) { | |
1605 | ret = PTR_ERR(skb); | |
1606 | BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)", | |
1607 | hdev->name, ret); | |
1608 | goto done; | |
1609 | } | |
1610 | ||
1611 | if (skb->len != sizeof(*bda)) { | |
1612 | BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch", | |
1613 | hdev->name); | |
1614 | kfree_skb(skb); | |
1615 | ret = -EIO; | |
1616 | goto done; | |
1617 | } | |
1618 | ||
1619 | bda = (struct hci_rp_read_bd_addr *) skb->data; | |
1620 | if (bda->status) { | |
1621 | BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)", | |
1622 | hdev->name, bda->status); | |
1623 | kfree_skb(skb); | |
1624 | ret = -bt_to_errno(bda->status); | |
1625 | goto done; | |
1626 | } | |
1627 | ||
1628 | /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller | |
1629 | * with no configured address. | |
1630 | */ | |
849e5086 | 1631 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) { |
c8abb73f MH |
1632 | BT_INFO("%s: BCM: using default device address (%pMR)", |
1633 | hdev->name, &bda->bdaddr); | |
849e5086 MH |
1634 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1635 | } | |
c8abb73f MH |
1636 | |
1637 | kfree_skb(skb); | |
1638 | ||
10d4c673 PG |
1639 | done: |
1640 | release_firmware(fw); | |
1641 | ||
1642 | return ret; | |
1643 | } | |
1644 | ||
abbaf50e MH |
1645 | static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1646 | { | |
1647 | struct sk_buff *skb; | |
1648 | long ret; | |
1649 | ||
1650 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1651 | if (IS_ERR(skb)) { | |
1652 | ret = PTR_ERR(skb); | |
1653 | BT_ERR("%s: BCM: Change address command failed (%ld)", | |
1654 | hdev->name, ret); | |
1655 | return ret; | |
1656 | } | |
1657 | kfree_skb(skb); | |
1658 | ||
1659 | return 0; | |
1660 | } | |
1661 | ||
5e23b923 MH |
1662 | static int btusb_probe(struct usb_interface *intf, |
1663 | const struct usb_device_id *id) | |
1664 | { | |
1665 | struct usb_endpoint_descriptor *ep_desc; | |
1666 | struct btusb_data *data; | |
1667 | struct hci_dev *hdev; | |
1668 | int i, err; | |
1669 | ||
1670 | BT_DBG("intf %p id %p", intf, id); | |
1671 | ||
cfeb4145 | 1672 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1673 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1674 | return -ENODEV; | |
1675 | ||
1676 | if (!id->driver_info) { | |
1677 | const struct usb_device_id *match; | |
1678 | match = usb_match_id(intf, blacklist_table); | |
1679 | if (match) | |
1680 | id = match; | |
1681 | } | |
1682 | ||
cfeb4145 MH |
1683 | if (id->driver_info == BTUSB_IGNORE) |
1684 | return -ENODEV; | |
1685 | ||
2d25f8b4 SL |
1686 | if (id->driver_info & BTUSB_ATH3012) { |
1687 | struct usb_device *udev = interface_to_usbdev(intf); | |
1688 | ||
1689 | /* Old firmware would otherwise let ath3k driver load | |
1690 | * patch and sysconfig files */ | |
1691 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
1692 | return -ENODEV; | |
1693 | } | |
1694 | ||
98921dbd | 1695 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
1696 | if (!data) |
1697 | return -ENOMEM; | |
1698 | ||
1699 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1700 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1701 | ||
1702 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1703 | data->intr_ep = ep_desc; | |
1704 | continue; | |
1705 | } | |
1706 | ||
1707 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1708 | data->bulk_tx_ep = ep_desc; | |
1709 | continue; | |
1710 | } | |
1711 | ||
1712 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1713 | data->bulk_rx_ep = ep_desc; | |
1714 | continue; | |
1715 | } | |
1716 | } | |
1717 | ||
98921dbd | 1718 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 1719 | return -ENODEV; |
5e23b923 | 1720 | |
7a9d4020 MH |
1721 | data->cmdreq_type = USB_TYPE_CLASS; |
1722 | ||
5e23b923 | 1723 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 1724 | data->intf = intf; |
5e23b923 MH |
1725 | |
1726 | spin_lock_init(&data->lock); | |
1727 | ||
1728 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
1729 | INIT_WORK(&data->waker, btusb_waker); |
1730 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
1731 | |
1732 | init_usb_anchor(&data->tx_anchor); | |
1733 | init_usb_anchor(&data->intr_anchor); | |
1734 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1735 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1736 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1737 | |
1738 | hdev = hci_alloc_dev(); | |
98921dbd | 1739 | if (!hdev) |
5e23b923 | 1740 | return -ENOMEM; |
5e23b923 | 1741 | |
c13854ce | 1742 | hdev->bus = HCI_USB; |
155961e8 | 1743 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1744 | |
1745 | data->hdev = hdev; | |
1746 | ||
1747 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1748 | ||
9f8f962c MH |
1749 | hdev->open = btusb_open; |
1750 | hdev->close = btusb_close; | |
1751 | hdev->flush = btusb_flush; | |
1752 | hdev->send = btusb_send_frame; | |
1753 | hdev->notify = btusb_notify; | |
1754 | ||
1755 | if (id->driver_info & BTUSB_BCM92035) | |
1756 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 1757 | |
abbaf50e | 1758 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
10d4c673 | 1759 | hdev->setup = btusb_setup_bcm_patchram; |
abbaf50e MH |
1760 | hdev->set_bdaddr = btusb_set_bdaddr_bcm; |
1761 | } | |
10d4c673 | 1762 | |
cb8d6597 | 1763 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 1764 | hdev->setup = btusb_setup_intel; |
cb8d6597 MH |
1765 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
1766 | } | |
dffd30ee | 1767 | |
40df783d MH |
1768 | if (id->driver_info & BTUSB_INTEL_BOOT) |
1769 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
1770 | ||
7a9d4020 | 1771 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1772 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1773 | ||
7a9d4020 | 1774 | if (!reset) |
a6c511c6 | 1775 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1776 | |
1777 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1778 | if (!disable_scofix) | |
1779 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1780 | } | |
1781 | ||
9bfa35fe MH |
1782 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1783 | data->isoc = NULL; | |
1784 | ||
7a9d4020 MH |
1785 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1786 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1787 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1788 | } |
1789 | ||
1790 | if (id->driver_info & BTUSB_CSR) { | |
1791 | struct usb_device *udev = data->udev; | |
81cac64b | 1792 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
1793 | |
1794 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 1795 | if (bcdDevice < 0x117) |
a6c511c6 | 1796 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
1797 | |
1798 | /* Fake CSR devices with broken commands */ | |
1799 | if (bcdDevice <= 0x100) | |
1800 | hdev->setup = btusb_setup_csr; | |
7a9d4020 MH |
1801 | } |
1802 | ||
cfeb4145 | 1803 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1804 | struct usb_device *udev = data->udev; |
cfeb4145 | 1805 | |
7a9d4020 | 1806 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1807 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1808 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
1809 | } | |
1810 | ||
3a5ef20c MH |
1811 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
1812 | /* A bug in the bootloader causes that interrupt interface is | |
1813 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
1814 | */ | |
1815 | err = usb_set_interface(data->udev, 0, 0); | |
1816 | if (err < 0) { | |
1817 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
1818 | hci_free_dev(hdev); | |
1819 | return err; | |
1820 | } | |
1821 | } | |
1822 | ||
9bfa35fe MH |
1823 | if (data->isoc) { |
1824 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1825 | data->isoc, data); |
9bfa35fe MH |
1826 | if (err < 0) { |
1827 | hci_free_dev(hdev); | |
9bfa35fe MH |
1828 | return err; |
1829 | } | |
1830 | } | |
1831 | ||
5e23b923 MH |
1832 | err = hci_register_dev(hdev); |
1833 | if (err < 0) { | |
1834 | hci_free_dev(hdev); | |
5e23b923 MH |
1835 | return err; |
1836 | } | |
1837 | ||
1838 | usb_set_intfdata(intf, data); | |
1839 | ||
1840 | return 0; | |
1841 | } | |
1842 | ||
1843 | static void btusb_disconnect(struct usb_interface *intf) | |
1844 | { | |
1845 | struct btusb_data *data = usb_get_intfdata(intf); | |
1846 | struct hci_dev *hdev; | |
1847 | ||
1848 | BT_DBG("intf %p", intf); | |
1849 | ||
1850 | if (!data) | |
1851 | return; | |
1852 | ||
1853 | hdev = data->hdev; | |
5fbcd260 MH |
1854 | usb_set_intfdata(data->intf, NULL); |
1855 | ||
1856 | if (data->isoc) | |
1857 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1858 | |
1859 | hci_unregister_dev(hdev); | |
1860 | ||
5fbcd260 MH |
1861 | if (intf == data->isoc) |
1862 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1863 | else if (data->isoc) | |
1864 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1865 | ||
5e23b923 MH |
1866 | hci_free_dev(hdev); |
1867 | } | |
1868 | ||
7bee549e | 1869 | #ifdef CONFIG_PM |
6a88adf2 MH |
1870 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1871 | { | |
1872 | struct btusb_data *data = usb_get_intfdata(intf); | |
1873 | ||
1874 | BT_DBG("intf %p", intf); | |
1875 | ||
1876 | if (data->suspend_count++) | |
1877 | return 0; | |
1878 | ||
7bee549e | 1879 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1880 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1881 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1882 | spin_unlock_irq(&data->txlock); | |
1883 | } else { | |
1884 | spin_unlock_irq(&data->txlock); | |
1885 | data->suspend_count--; | |
1886 | return -EBUSY; | |
1887 | } | |
1888 | ||
6a88adf2 MH |
1889 | cancel_work_sync(&data->work); |
1890 | ||
7bee549e | 1891 | btusb_stop_traffic(data); |
6a88adf2 MH |
1892 | usb_kill_anchored_urbs(&data->tx_anchor); |
1893 | ||
6a88adf2 MH |
1894 | return 0; |
1895 | } | |
1896 | ||
7bee549e ON |
1897 | static void play_deferred(struct btusb_data *data) |
1898 | { | |
1899 | struct urb *urb; | |
1900 | int err; | |
1901 | ||
1902 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1903 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1904 | if (err < 0) | |
1905 | break; | |
1906 | ||
1907 | data->tx_in_flight++; | |
1908 | } | |
1909 | usb_scuttle_anchored_urbs(&data->deferred); | |
1910 | } | |
1911 | ||
6a88adf2 MH |
1912 | static int btusb_resume(struct usb_interface *intf) |
1913 | { | |
1914 | struct btusb_data *data = usb_get_intfdata(intf); | |
1915 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1916 | int err = 0; |
6a88adf2 MH |
1917 | |
1918 | BT_DBG("intf %p", intf); | |
1919 | ||
1920 | if (--data->suspend_count) | |
1921 | return 0; | |
1922 | ||
1923 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1924 | goto done; |
6a88adf2 MH |
1925 | |
1926 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1927 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1928 | if (err < 0) { | |
1929 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1930 | goto failed; |
6a88adf2 MH |
1931 | } |
1932 | } | |
1933 | ||
1934 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1935 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1936 | if (err < 0) { | |
6a88adf2 | 1937 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1938 | goto failed; |
1939 | } | |
1940 | ||
1941 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1942 | } |
1943 | ||
1944 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1945 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1946 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1947 | else | |
1948 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1949 | } | |
1950 | ||
7bee549e ON |
1951 | spin_lock_irq(&data->txlock); |
1952 | play_deferred(data); | |
1953 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1954 | spin_unlock_irq(&data->txlock); | |
1955 | schedule_work(&data->work); | |
1956 | ||
6a88adf2 | 1957 | return 0; |
7bee549e ON |
1958 | |
1959 | failed: | |
1960 | usb_scuttle_anchored_urbs(&data->deferred); | |
1961 | done: | |
1962 | spin_lock_irq(&data->txlock); | |
1963 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1964 | spin_unlock_irq(&data->txlock); | |
1965 | ||
1966 | return err; | |
6a88adf2 | 1967 | } |
7bee549e | 1968 | #endif |
6a88adf2 | 1969 | |
5e23b923 MH |
1970 | static struct usb_driver btusb_driver = { |
1971 | .name = "btusb", | |
1972 | .probe = btusb_probe, | |
1973 | .disconnect = btusb_disconnect, | |
7bee549e | 1974 | #ifdef CONFIG_PM |
6a88adf2 MH |
1975 | .suspend = btusb_suspend, |
1976 | .resume = btusb_resume, | |
7bee549e | 1977 | #endif |
5e23b923 | 1978 | .id_table = btusb_table, |
7bee549e | 1979 | .supports_autosuspend = 1, |
e1f12eb6 | 1980 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1981 | }; |
1982 | ||
93f1508c | 1983 | module_usb_driver(btusb_driver); |
5e23b923 | 1984 | |
cfeb4145 MH |
1985 | module_param(disable_scofix, bool, 0644); |
1986 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1987 | ||
1988 | module_param(force_scofix, bool, 0644); | |
1989 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1990 | ||
1991 | module_param(reset, bool, 0644); | |
1992 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1993 | ||
5e23b923 MH |
1994 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1995 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1996 | MODULE_VERSION(VERSION); | |
1997 | MODULE_LICENSE("GPL"); |