Commit | Line | Data |
---|---|---|
5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 25 | #include <linux/usb.h> |
dffd30ee | 26 | #include <linux/firmware.h> |
5e23b923 MH |
27 | |
28 | #include <net/bluetooth/bluetooth.h> | |
29 | #include <net/bluetooth/hci_core.h> | |
30 | ||
7bee549e | 31 | #define VERSION "0.6" |
cfeb4145 | 32 | |
90ab5ee9 RR |
33 | static bool 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 | |
ae8df494 | 51 | #define BTUSB_MARVELL 0x800 |
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 */ |
0b880062 AS |
104 | { USB_DEVICE(0x0489, 0xe042) }, |
105 | { USB_DEVICE(0x04ca, 0x2003) }, | |
1ee3ff61 | 106 | { USB_DEVICE(0x0b05, 0x17b5) }, |
38a172be | 107 | { USB_DEVICE(0x0b05, 0x17cb) }, |
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 | |
0b880062 | 113 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
114 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
115 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 116 | |
5bcecf32 KB |
117 | /* Belkin F8065bf - Broadcom based */ |
118 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, | |
119 | ||
9113bfd8 JK |
120 | /* IMC Networks - Broadcom based */ |
121 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, | |
122 | ||
40df783d | 123 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
124 | { USB_DEVICE(0x8087, 0x0a5a), |
125 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 126 | |
5e23b923 MH |
127 | { } /* Terminating entry */ |
128 | }; | |
129 | ||
130 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
131 | ||
54265202 | 132 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
133 | /* CSR BlueCore devices */ |
134 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
135 | ||
136 | /* Broadcom BCM2033 without firmware */ | |
137 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
138 | ||
be93112a | 139 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
140 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
141 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
142 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, | |
be93112a | 143 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 144 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 145 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 146 | |
509e7861 CYC |
147 | /* Atheros AR9285 Malbec with sflash firmware */ |
148 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
149 | ||
d9f51b51 | 150 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
151 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
152 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
153 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
154 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
155 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
156 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, | |
157 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
158 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
159 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 160 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
161 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
162 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
163 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, | |
164 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
a735f9e2 | 165 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 166 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 167 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 168 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 169 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 170 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 171 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 172 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 173 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 174 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 175 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 176 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
177 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
178 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 179 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 180 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 181 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 182 | |
e9036e33 CYC |
183 | /* Atheros AR5BBU12 with sflash firmware */ |
184 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
185 | ||
85d59726 | 186 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 187 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 188 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 189 | |
cfeb4145 | 190 | /* Broadcom BCM2035 */ |
7a9d4020 | 191 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
192 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
193 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
194 | |
195 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
196 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
197 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 198 | |
cfeb4145 | 199 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
200 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
201 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
202 | |
203 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 204 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
205 | |
206 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 207 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 208 | |
5ddd4a60 | 209 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 210 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 211 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 212 | |
7a9d4020 MH |
213 | /* Belkin F8T012 and F8T013 devices */ |
214 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
215 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 216 | |
5ddd4a60 MH |
217 | /* Asus WL-BTD202 device */ |
218 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
219 | ||
220 | /* Kensington Bluetooth USB adapter */ | |
221 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
222 | ||
cfeb4145 MH |
223 | /* RTX Telecom based adapters with buggy SCO support */ |
224 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
225 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
226 | ||
227 | /* CONWISE Technology based adapters with buggy SCO support */ | |
228 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
229 | ||
cfeb4145 MH |
230 | /* Digianswer devices */ |
231 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
232 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
233 | ||
234 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
235 | { USB_DEVICE(0x0a12, 0x0002), |
236 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
237 | |
238 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
239 | { USB_DEVICE(0x16d3, 0x0002), |
240 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 241 | |
dffd30ee THJA |
242 | /* Intel Bluetooth device */ |
243 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
ef4e5e4a | 244 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
dffd30ee | 245 | |
ae8df494 AK |
246 | /* Marvell device */ |
247 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
248 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
249 | ||
5e23b923 MH |
250 | { } /* Terminating entry */ |
251 | }; | |
252 | ||
9bfa35fe MH |
253 | #define BTUSB_MAX_ISOC_FRAMES 10 |
254 | ||
5e23b923 MH |
255 | #define BTUSB_INTR_RUNNING 0 |
256 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 257 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 258 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 259 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
260 | |
261 | struct btusb_data { | |
262 | struct hci_dev *hdev; | |
263 | struct usb_device *udev; | |
5fbcd260 | 264 | struct usb_interface *intf; |
9bfa35fe | 265 | struct usb_interface *isoc; |
5e23b923 MH |
266 | |
267 | spinlock_t lock; | |
268 | ||
269 | unsigned long flags; | |
270 | ||
271 | struct work_struct work; | |
7bee549e | 272 | struct work_struct waker; |
5e23b923 MH |
273 | |
274 | struct usb_anchor tx_anchor; | |
275 | struct usb_anchor intr_anchor; | |
276 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 277 | struct usb_anchor isoc_anchor; |
7bee549e ON |
278 | struct usb_anchor deferred; |
279 | int tx_in_flight; | |
280 | spinlock_t txlock; | |
5e23b923 MH |
281 | |
282 | struct usb_endpoint_descriptor *intr_ep; | |
283 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
284 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
285 | struct usb_endpoint_descriptor *isoc_tx_ep; |
286 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
287 | ||
7a9d4020 MH |
288 | __u8 cmdreq_type; |
289 | ||
43c2e57f | 290 | unsigned int sco_num; |
9bfa35fe | 291 | int isoc_altsetting; |
6a88adf2 | 292 | int suspend_count; |
5e23b923 MH |
293 | }; |
294 | ||
7bee549e ON |
295 | static int inc_tx(struct btusb_data *data) |
296 | { | |
297 | unsigned long flags; | |
298 | int rv; | |
299 | ||
300 | spin_lock_irqsave(&data->txlock, flags); | |
301 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
302 | if (!rv) | |
303 | data->tx_in_flight++; | |
304 | spin_unlock_irqrestore(&data->txlock, flags); | |
305 | ||
306 | return rv; | |
307 | } | |
308 | ||
5e23b923 MH |
309 | static void btusb_intr_complete(struct urb *urb) |
310 | { | |
311 | struct hci_dev *hdev = urb->context; | |
155961e8 | 312 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
313 | int err; |
314 | ||
315 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
316 | urb, urb->status, urb->actual_length); | |
317 | ||
318 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
319 | return; | |
320 | ||
321 | if (urb->status == 0) { | |
9bfa35fe MH |
322 | hdev->stat.byte_rx += urb->actual_length; |
323 | ||
5e23b923 MH |
324 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
325 | urb->transfer_buffer, | |
326 | urb->actual_length) < 0) { | |
327 | BT_ERR("%s corrupted event packet", hdev->name); | |
328 | hdev->stat.err_rx++; | |
329 | } | |
330 | } | |
331 | ||
332 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
333 | return; | |
334 | ||
7bee549e | 335 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
336 | usb_anchor_urb(urb, &data->intr_anchor); |
337 | ||
338 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
339 | if (err < 0) { | |
4935f1c1 PB |
340 | /* -EPERM: urb is being killed; |
341 | * -ENODEV: device got disconnected */ | |
342 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 343 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
344 | hdev->name, urb, -err); |
345 | usb_unanchor_urb(urb); | |
346 | } | |
347 | } | |
348 | ||
2eda66f4 | 349 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 350 | { |
155961e8 | 351 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
352 | struct urb *urb; |
353 | unsigned char *buf; | |
354 | unsigned int pipe; | |
355 | int err, size; | |
356 | ||
357 | BT_DBG("%s", hdev->name); | |
358 | ||
9bfa35fe MH |
359 | if (!data->intr_ep) |
360 | return -ENODEV; | |
361 | ||
2eda66f4 | 362 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
363 | if (!urb) |
364 | return -ENOMEM; | |
365 | ||
366 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
367 | ||
2eda66f4 | 368 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
369 | if (!buf) { |
370 | usb_free_urb(urb); | |
371 | return -ENOMEM; | |
372 | } | |
373 | ||
374 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
375 | ||
376 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
377 | btusb_intr_complete, hdev, | |
378 | data->intr_ep->bInterval); | |
379 | ||
380 | urb->transfer_flags |= URB_FREE_BUFFER; | |
381 | ||
382 | usb_anchor_urb(urb, &data->intr_anchor); | |
383 | ||
2eda66f4 | 384 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 385 | if (err < 0) { |
d4b8d1c9 PB |
386 | if (err != -EPERM && err != -ENODEV) |
387 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
388 | hdev->name, urb, -err); |
389 | usb_unanchor_urb(urb); | |
5e23b923 MH |
390 | } |
391 | ||
392 | usb_free_urb(urb); | |
393 | ||
394 | return err; | |
395 | } | |
396 | ||
397 | static void btusb_bulk_complete(struct urb *urb) | |
398 | { | |
399 | struct hci_dev *hdev = urb->context; | |
155961e8 | 400 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
401 | int err; |
402 | ||
403 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
404 | urb, urb->status, urb->actual_length); | |
405 | ||
406 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
407 | return; | |
408 | ||
409 | if (urb->status == 0) { | |
9bfa35fe MH |
410 | hdev->stat.byte_rx += urb->actual_length; |
411 | ||
5e23b923 MH |
412 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
413 | urb->transfer_buffer, | |
414 | urb->actual_length) < 0) { | |
415 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
416 | hdev->stat.err_rx++; | |
417 | } | |
418 | } | |
419 | ||
420 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
421 | return; | |
422 | ||
423 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 424 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
425 | |
426 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
427 | if (err < 0) { | |
4935f1c1 PB |
428 | /* -EPERM: urb is being killed; |
429 | * -ENODEV: device got disconnected */ | |
430 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 431 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
432 | hdev->name, urb, -err); |
433 | usb_unanchor_urb(urb); | |
434 | } | |
435 | } | |
436 | ||
2eda66f4 | 437 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 438 | { |
155961e8 | 439 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
440 | struct urb *urb; |
441 | unsigned char *buf; | |
442 | unsigned int pipe; | |
290ba200 | 443 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
444 | |
445 | BT_DBG("%s", hdev->name); | |
446 | ||
9bfa35fe MH |
447 | if (!data->bulk_rx_ep) |
448 | return -ENODEV; | |
449 | ||
2eda66f4 | 450 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
451 | if (!urb) |
452 | return -ENOMEM; | |
453 | ||
2eda66f4 | 454 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
455 | if (!buf) { |
456 | usb_free_urb(urb); | |
457 | return -ENOMEM; | |
458 | } | |
459 | ||
460 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
461 | ||
462 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
463 | buf, size, btusb_bulk_complete, hdev); | |
464 | ||
465 | urb->transfer_flags |= URB_FREE_BUFFER; | |
466 | ||
7bee549e | 467 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
468 | usb_anchor_urb(urb, &data->bulk_anchor); |
469 | ||
2eda66f4 | 470 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 471 | if (err < 0) { |
d4b8d1c9 PB |
472 | if (err != -EPERM && err != -ENODEV) |
473 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
474 | hdev->name, urb, -err); |
475 | usb_unanchor_urb(urb); | |
5e23b923 MH |
476 | } |
477 | ||
478 | usb_free_urb(urb); | |
479 | ||
480 | return err; | |
481 | } | |
482 | ||
9bfa35fe MH |
483 | static void btusb_isoc_complete(struct urb *urb) |
484 | { | |
485 | struct hci_dev *hdev = urb->context; | |
155961e8 | 486 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
487 | int i, err; |
488 | ||
489 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
490 | urb, urb->status, urb->actual_length); | |
491 | ||
492 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
493 | return; | |
494 | ||
495 | if (urb->status == 0) { | |
496 | for (i = 0; i < urb->number_of_packets; i++) { | |
497 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
498 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
499 | ||
500 | if (urb->iso_frame_desc[i].status) | |
501 | continue; | |
502 | ||
503 | hdev->stat.byte_rx += length; | |
504 | ||
505 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
506 | urb->transfer_buffer + offset, | |
507 | length) < 0) { | |
508 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
509 | hdev->stat.err_rx++; | |
510 | } | |
511 | } | |
512 | } | |
513 | ||
514 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
515 | return; | |
516 | ||
517 | usb_anchor_urb(urb, &data->isoc_anchor); | |
518 | ||
519 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
520 | if (err < 0) { | |
4935f1c1 PB |
521 | /* -EPERM: urb is being killed; |
522 | * -ENODEV: device got disconnected */ | |
523 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 524 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
525 | hdev->name, urb, -err); |
526 | usb_unanchor_urb(urb); | |
527 | } | |
528 | } | |
529 | ||
42b16b3f | 530 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
531 | { |
532 | int i, offset = 0; | |
533 | ||
534 | BT_DBG("len %d mtu %d", len, mtu); | |
535 | ||
536 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
537 | i++, offset += mtu, len -= mtu) { | |
538 | urb->iso_frame_desc[i].offset = offset; | |
539 | urb->iso_frame_desc[i].length = mtu; | |
540 | } | |
541 | ||
542 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
543 | urb->iso_frame_desc[i].offset = offset; | |
544 | urb->iso_frame_desc[i].length = len; | |
545 | i++; | |
546 | } | |
547 | ||
548 | urb->number_of_packets = i; | |
549 | } | |
550 | ||
2eda66f4 | 551 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 552 | { |
155961e8 | 553 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
554 | struct urb *urb; |
555 | unsigned char *buf; | |
556 | unsigned int pipe; | |
557 | int err, size; | |
558 | ||
559 | BT_DBG("%s", hdev->name); | |
560 | ||
561 | if (!data->isoc_rx_ep) | |
562 | return -ENODEV; | |
563 | ||
2eda66f4 | 564 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
565 | if (!urb) |
566 | return -ENOMEM; | |
567 | ||
568 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
569 | BTUSB_MAX_ISOC_FRAMES; | |
570 | ||
2eda66f4 | 571 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
572 | if (!buf) { |
573 | usb_free_urb(urb); | |
574 | return -ENOMEM; | |
575 | } | |
576 | ||
577 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
578 | ||
fa0fb93f BZ |
579 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
580 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
581 | |
582 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
583 | |
584 | __fill_isoc_descriptor(urb, size, | |
585 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
586 | ||
587 | usb_anchor_urb(urb, &data->isoc_anchor); | |
588 | ||
2eda66f4 | 589 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 590 | if (err < 0) { |
d4b8d1c9 PB |
591 | if (err != -EPERM && err != -ENODEV) |
592 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
593 | hdev->name, urb, -err); |
594 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
595 | } |
596 | ||
597 | usb_free_urb(urb); | |
598 | ||
599 | return err; | |
600 | } | |
601 | ||
5e23b923 | 602 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
603 | { |
604 | struct sk_buff *skb = urb->context; | |
605 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 606 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
607 | |
608 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
609 | urb, urb->status, urb->actual_length); | |
610 | ||
611 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
612 | goto done; | |
613 | ||
614 | if (!urb->status) | |
615 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
616 | else | |
617 | hdev->stat.err_tx++; | |
618 | ||
619 | done: | |
620 | spin_lock(&data->txlock); | |
621 | data->tx_in_flight--; | |
622 | spin_unlock(&data->txlock); | |
623 | ||
624 | kfree(urb->setup_packet); | |
625 | ||
626 | kfree_skb(skb); | |
627 | } | |
628 | ||
629 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
630 | { |
631 | struct sk_buff *skb = urb->context; | |
632 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
633 | ||
634 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
635 | urb, urb->status, urb->actual_length); | |
636 | ||
637 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
638 | goto done; | |
639 | ||
640 | if (!urb->status) | |
641 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
642 | else | |
643 | hdev->stat.err_tx++; | |
644 | ||
645 | done: | |
646 | kfree(urb->setup_packet); | |
647 | ||
648 | kfree_skb(skb); | |
649 | } | |
650 | ||
651 | static int btusb_open(struct hci_dev *hdev) | |
652 | { | |
155961e8 | 653 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
654 | int err; |
655 | ||
656 | BT_DBG("%s", hdev->name); | |
657 | ||
7bee549e ON |
658 | err = usb_autopm_get_interface(data->intf); |
659 | if (err < 0) | |
660 | return err; | |
661 | ||
662 | data->intf->needs_remote_wakeup = 1; | |
663 | ||
5e23b923 | 664 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 665 | goto done; |
5e23b923 MH |
666 | |
667 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 668 | goto done; |
5e23b923 | 669 | |
2eda66f4 | 670 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
671 | if (err < 0) |
672 | goto failed; | |
673 | ||
674 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 675 | if (err < 0) { |
43c2e57f MH |
676 | usb_kill_anchored_urbs(&data->intr_anchor); |
677 | goto failed; | |
5e23b923 MH |
678 | } |
679 | ||
43c2e57f MH |
680 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
681 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
682 | ||
7bee549e ON |
683 | done: |
684 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
685 | return 0; |
686 | ||
687 | failed: | |
688 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
689 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 690 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
691 | return err; |
692 | } | |
693 | ||
7bee549e ON |
694 | static void btusb_stop_traffic(struct btusb_data *data) |
695 | { | |
696 | usb_kill_anchored_urbs(&data->intr_anchor); | |
697 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
698 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
699 | } | |
700 | ||
5e23b923 MH |
701 | static int btusb_close(struct hci_dev *hdev) |
702 | { | |
155961e8 | 703 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 704 | int err; |
5e23b923 MH |
705 | |
706 | BT_DBG("%s", hdev->name); | |
707 | ||
708 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
709 | return 0; | |
710 | ||
e8c3c3d2 | 711 | cancel_work_sync(&data->work); |
404291ac | 712 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 713 | |
9bfa35fe | 714 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 715 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 716 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
717 | |
718 | btusb_stop_traffic(data); | |
719 | err = usb_autopm_get_interface(data->intf); | |
720 | if (err < 0) | |
7b8e2c1d | 721 | goto failed; |
7bee549e ON |
722 | |
723 | data->intf->needs_remote_wakeup = 0; | |
724 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 725 | |
7b8e2c1d ON |
726 | failed: |
727 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
728 | return 0; |
729 | } | |
730 | ||
731 | static int btusb_flush(struct hci_dev *hdev) | |
732 | { | |
155961e8 | 733 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
734 | |
735 | BT_DBG("%s", hdev->name); | |
736 | ||
737 | usb_kill_anchored_urbs(&data->tx_anchor); | |
738 | ||
739 | return 0; | |
740 | } | |
741 | ||
7bd8f09f | 742 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 743 | { |
155961e8 | 744 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
745 | struct usb_ctrlrequest *dr; |
746 | struct urb *urb; | |
747 | unsigned int pipe; | |
748 | int err; | |
749 | ||
750 | BT_DBG("%s", hdev->name); | |
751 | ||
752 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
753 | return -EBUSY; | |
754 | ||
7bd8f09f MH |
755 | skb->dev = (void *) hdev; |
756 | ||
5e23b923 MH |
757 | switch (bt_cb(skb)->pkt_type) { |
758 | case HCI_COMMAND_PKT: | |
759 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
760 | if (!urb) | |
761 | return -ENOMEM; | |
762 | ||
763 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
764 | if (!dr) { | |
765 | usb_free_urb(urb); | |
766 | return -ENOMEM; | |
767 | } | |
768 | ||
7a9d4020 | 769 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
770 | dr->bRequest = 0; |
771 | dr->wIndex = 0; | |
772 | dr->wValue = 0; | |
773 | dr->wLength = __cpu_to_le16(skb->len); | |
774 | ||
775 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
776 | ||
777 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
778 | skb->data, skb->len, btusb_tx_complete, skb); | |
779 | ||
780 | hdev->stat.cmd_tx++; | |
781 | break; | |
782 | ||
783 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 784 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
785 | return -ENODEV; |
786 | ||
5e23b923 MH |
787 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
788 | if (!urb) | |
789 | return -ENOMEM; | |
790 | ||
791 | pipe = usb_sndbulkpipe(data->udev, | |
792 | data->bulk_tx_ep->bEndpointAddress); | |
793 | ||
794 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
795 | skb->data, skb->len, btusb_tx_complete, skb); | |
796 | ||
797 | hdev->stat.acl_tx++; | |
798 | break; | |
799 | ||
800 | case HCI_SCODATA_PKT: | |
014f7bc7 | 801 | if (!data->isoc_tx_ep || hci_conn_num(hdev, SCO_LINK) < 1) |
9bfa35fe MH |
802 | return -ENODEV; |
803 | ||
804 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
805 | if (!urb) | |
806 | return -ENOMEM; | |
807 | ||
808 | pipe = usb_sndisocpipe(data->udev, | |
809 | data->isoc_tx_ep->bEndpointAddress); | |
810 | ||
03c2d0e8 GP |
811 | usb_fill_int_urb(urb, data->udev, pipe, |
812 | skb->data, skb->len, btusb_isoc_tx_complete, | |
813 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
814 | |
815 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
816 | |
817 | __fill_isoc_descriptor(urb, skb->len, | |
818 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
819 | ||
5e23b923 | 820 | hdev->stat.sco_tx++; |
7bee549e | 821 | goto skip_waking; |
5e23b923 MH |
822 | |
823 | default: | |
824 | return -EILSEQ; | |
825 | } | |
826 | ||
7bee549e ON |
827 | err = inc_tx(data); |
828 | if (err) { | |
829 | usb_anchor_urb(urb, &data->deferred); | |
830 | schedule_work(&data->waker); | |
831 | err = 0; | |
832 | goto done; | |
833 | } | |
834 | ||
835 | skip_waking: | |
5e23b923 MH |
836 | usb_anchor_urb(urb, &data->tx_anchor); |
837 | ||
838 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
839 | if (err < 0) { | |
5a9b80e2 PB |
840 | if (err != -EPERM && err != -ENODEV) |
841 | BT_ERR("%s urb %p submission failed (%d)", | |
842 | hdev->name, urb, -err); | |
5e23b923 MH |
843 | kfree(urb->setup_packet); |
844 | usb_unanchor_urb(urb); | |
7bee549e ON |
845 | } else { |
846 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
847 | } |
848 | ||
7bee549e | 849 | done: |
54a8a79c | 850 | usb_free_urb(urb); |
5e23b923 MH |
851 | return err; |
852 | } | |
853 | ||
5e23b923 MH |
854 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
855 | { | |
155961e8 | 856 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
857 | |
858 | BT_DBG("%s evt %d", hdev->name, evt); | |
859 | ||
014f7bc7 MH |
860 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
861 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 862 | schedule_work(&data->work); |
a780efa8 | 863 | } |
5e23b923 MH |
864 | } |
865 | ||
42b16b3f | 866 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 867 | { |
155961e8 | 868 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
869 | struct usb_interface *intf = data->isoc; |
870 | struct usb_endpoint_descriptor *ep_desc; | |
871 | int i, err; | |
872 | ||
873 | if (!data->isoc) | |
874 | return -ENODEV; | |
875 | ||
876 | err = usb_set_interface(data->udev, 1, altsetting); | |
877 | if (err < 0) { | |
878 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
879 | return err; | |
880 | } | |
881 | ||
882 | data->isoc_altsetting = altsetting; | |
883 | ||
884 | data->isoc_tx_ep = NULL; | |
885 | data->isoc_rx_ep = NULL; | |
886 | ||
887 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
888 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
889 | ||
890 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
891 | data->isoc_tx_ep = ep_desc; | |
892 | continue; | |
893 | } | |
894 | ||
895 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
896 | data->isoc_rx_ep = ep_desc; | |
897 | continue; | |
898 | } | |
899 | } | |
900 | ||
901 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
902 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
903 | return -ENODEV; | |
904 | } | |
905 | ||
906 | return 0; | |
907 | } | |
908 | ||
5e23b923 MH |
909 | static void btusb_work(struct work_struct *work) |
910 | { | |
911 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
912 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 913 | int new_alts; |
7bee549e | 914 | int err; |
5e23b923 | 915 | |
014f7bc7 | 916 | if (data->sco_num > 0) { |
08b8b6c4 | 917 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 918 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
919 | if (err < 0) { |
920 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
921 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
922 | return; | |
923 | } | |
924 | ||
08b8b6c4 | 925 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 926 | } |
f4001d28 MA |
927 | |
928 | if (hdev->voice_setting & 0x0020) { | |
929 | static const int alts[3] = { 2, 4, 5 }; | |
014f7bc7 | 930 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 931 | } else { |
014f7bc7 | 932 | new_alts = data->sco_num; |
f4001d28 MA |
933 | } |
934 | ||
935 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
936 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
937 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
938 | ||
f4001d28 | 939 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
940 | return; |
941 | } | |
942 | ||
943 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 944 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
945 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
946 | else | |
2eda66f4 | 947 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
948 | } |
949 | } else { | |
950 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
951 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
952 | ||
953 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 954 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 955 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
956 | } |
957 | } | |
958 | ||
7bee549e ON |
959 | static void btusb_waker(struct work_struct *work) |
960 | { | |
961 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
962 | int err; | |
963 | ||
964 | err = usb_autopm_get_interface(data->intf); | |
965 | if (err < 0) | |
966 | return; | |
967 | ||
968 | usb_autopm_put_interface(data->intf); | |
969 | } | |
970 | ||
9f8f962c MH |
971 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
972 | { | |
973 | struct sk_buff *skb; | |
974 | u8 val = 0x00; | |
975 | ||
976 | BT_DBG("%s", hdev->name); | |
977 | ||
978 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
979 | if (IS_ERR(skb)) | |
980 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
981 | else | |
982 | kfree_skb(skb); | |
983 | ||
984 | return 0; | |
985 | } | |
986 | ||
81cac64b MH |
987 | static int btusb_setup_csr(struct hci_dev *hdev) |
988 | { | |
989 | struct hci_rp_read_local_version *rp; | |
990 | struct sk_buff *skb; | |
991 | int ret; | |
992 | ||
993 | BT_DBG("%s", hdev->name); | |
994 | ||
995 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
996 | HCI_INIT_TIMEOUT); | |
997 | if (IS_ERR(skb)) { | |
998 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); | |
999 | return -PTR_ERR(skb); | |
1000 | } | |
1001 | ||
1002 | rp = (struct hci_rp_read_local_version *) skb->data; | |
1003 | ||
1004 | if (!rp->status) { | |
1005 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
1006 | /* Clear the reset quirk since this is not an actual | |
1007 | * early Bluetooth 1.1 device from CSR. | |
1008 | */ | |
1009 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
1010 | ||
1011 | /* These fake CSR controllers have all a broken | |
1012 | * stored link key handling and so just disable it. | |
1013 | */ | |
1014 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
1015 | &hdev->quirks); | |
1016 | } | |
1017 | } | |
1018 | ||
1019 | ret = -bt_to_errno(rp->status); | |
1020 | ||
1021 | kfree_skb(skb); | |
1022 | ||
1023 | return ret; | |
1024 | } | |
1025 | ||
dffd30ee THJA |
1026 | struct intel_version { |
1027 | u8 status; | |
1028 | u8 hw_platform; | |
1029 | u8 hw_variant; | |
1030 | u8 hw_revision; | |
1031 | u8 fw_variant; | |
1032 | u8 fw_revision; | |
1033 | u8 fw_build_num; | |
1034 | u8 fw_build_ww; | |
1035 | u8 fw_build_yy; | |
1036 | u8 fw_patch_num; | |
1037 | } __packed; | |
1038 | ||
1039 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
1040 | struct intel_version *ver) | |
1041 | { | |
1042 | const struct firmware *fw; | |
1043 | char fwname[64]; | |
1044 | int ret; | |
1045 | ||
1046 | snprintf(fwname, sizeof(fwname), | |
1047 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1048 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1049 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1050 | ver->fw_build_ww, ver->fw_build_yy); | |
1051 | ||
1052 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1053 | if (ret < 0) { | |
1054 | if (ret == -EINVAL) { | |
1055 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1056 | hdev->name, ret); | |
1057 | return NULL; | |
1058 | } | |
1059 | ||
1060 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1061 | hdev->name, fwname, ret); | |
1062 | ||
1063 | /* If the correct firmware patch file is not found, use the | |
1064 | * default firmware patch file instead | |
1065 | */ | |
1066 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1067 | ver->hw_platform, ver->hw_variant); | |
1068 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1069 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1070 | hdev->name, fwname); | |
1071 | return NULL; | |
1072 | } | |
1073 | } | |
1074 | ||
1075 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1076 | ||
1077 | return fw; | |
1078 | } | |
1079 | ||
1080 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1081 | const struct firmware *fw, | |
1082 | const u8 **fw_ptr, int *disable_patch) | |
1083 | { | |
1084 | struct sk_buff *skb; | |
1085 | struct hci_command_hdr *cmd; | |
1086 | const u8 *cmd_param; | |
1087 | struct hci_event_hdr *evt = NULL; | |
1088 | const u8 *evt_param = NULL; | |
1089 | int remain = fw->size - (*fw_ptr - fw->data); | |
1090 | ||
1091 | /* The first byte indicates the types of the patch command or event. | |
1092 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1093 | * in the current firmware buffer doesn't start with 0x01 or | |
1094 | * the size of remain buffer is smaller than HCI command header, | |
1095 | * the firmware file is corrupted and it should stop the patching | |
1096 | * process. | |
1097 | */ | |
1098 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1099 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1100 | return -EINVAL; | |
1101 | } | |
1102 | (*fw_ptr)++; | |
1103 | remain--; | |
1104 | ||
1105 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1106 | *fw_ptr += sizeof(*cmd); | |
1107 | remain -= sizeof(*cmd); | |
1108 | ||
1109 | /* Ensure that the remain firmware data is long enough than the length | |
1110 | * of command parameter. If not, the firmware file is corrupted. | |
1111 | */ | |
1112 | if (remain < cmd->plen) { | |
1113 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1114 | return -EFAULT; | |
1115 | } | |
1116 | ||
1117 | /* If there is a command that loads a patch in the firmware | |
1118 | * file, then enable the patch upon success, otherwise just | |
1119 | * disable the manufacturer mode, for example patch activation | |
1120 | * is not required when the default firmware patch file is used | |
1121 | * because there are no patch data to load. | |
1122 | */ | |
1123 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1124 | *disable_patch = 0; | |
1125 | ||
1126 | cmd_param = *fw_ptr; | |
1127 | *fw_ptr += cmd->plen; | |
1128 | remain -= cmd->plen; | |
1129 | ||
1130 | /* This reads the expected events when the above command is sent to the | |
1131 | * device. Some vendor commands expects more than one events, for | |
1132 | * example command status event followed by vendor specific event. | |
1133 | * For this case, it only keeps the last expected event. so the command | |
1134 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1135 | * last expected event. | |
1136 | */ | |
1137 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1138 | (*fw_ptr)++; | |
1139 | remain--; | |
1140 | ||
1141 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1142 | *fw_ptr += sizeof(*evt); | |
1143 | remain -= sizeof(*evt); | |
1144 | ||
1145 | if (remain < evt->plen) { | |
1146 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1147 | hdev->name); | |
1148 | return -EFAULT; | |
1149 | } | |
1150 | ||
1151 | evt_param = *fw_ptr; | |
1152 | *fw_ptr += evt->plen; | |
1153 | remain -= evt->plen; | |
1154 | } | |
1155 | ||
1156 | /* Every HCI commands in the firmware file has its correspond event. | |
1157 | * If event is not found or remain is smaller than zero, the firmware | |
1158 | * file is corrupted. | |
1159 | */ | |
1160 | if (!evt || !evt_param || remain < 0) { | |
1161 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1162 | return -EFAULT; | |
1163 | } | |
1164 | ||
1165 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1166 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1167 | if (IS_ERR(skb)) { | |
1168 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1169 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1170 | return PTR_ERR(skb); |
dffd30ee THJA |
1171 | } |
1172 | ||
1173 | /* It ensures that the returned event matches the event data read from | |
1174 | * the firmware file. At fist, it checks the length and then | |
1175 | * the contents of the event. | |
1176 | */ | |
1177 | if (skb->len != evt->plen) { | |
1178 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1179 | le16_to_cpu(cmd->opcode)); | |
1180 | kfree_skb(skb); | |
1181 | return -EFAULT; | |
1182 | } | |
1183 | ||
1184 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1185 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1186 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1187 | kfree_skb(skb); | |
1188 | return -EFAULT; | |
1189 | } | |
1190 | kfree_skb(skb); | |
1191 | ||
1192 | return 0; | |
1193 | } | |
1194 | ||
40cb0984 MH |
1195 | #define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}}) |
1196 | ||
1197 | static int btusb_check_bdaddr_intel(struct hci_dev *hdev) | |
1198 | { | |
1199 | struct sk_buff *skb; | |
1200 | struct hci_rp_read_bd_addr *rp; | |
1201 | ||
1202 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1203 | HCI_INIT_TIMEOUT); | |
1204 | if (IS_ERR(skb)) { | |
1205 | BT_ERR("%s reading Intel device address failed (%ld)", | |
1206 | hdev->name, PTR_ERR(skb)); | |
1207 | return PTR_ERR(skb); | |
1208 | } | |
1209 | ||
1210 | if (skb->len != sizeof(*rp)) { | |
1211 | BT_ERR("%s Intel device address length mismatch", hdev->name); | |
1212 | kfree_skb(skb); | |
1213 | return -EIO; | |
1214 | } | |
1215 | ||
1216 | rp = (struct hci_rp_read_bd_addr *) skb->data; | |
1217 | if (rp->status) { | |
1218 | BT_ERR("%s Intel device address result failed (%02x)", | |
1219 | hdev->name, rp->status); | |
1220 | kfree_skb(skb); | |
1221 | return -bt_to_errno(rp->status); | |
1222 | } | |
1223 | ||
1224 | /* For some Intel based controllers, the default Bluetooth device | |
1225 | * address 00:03:19:9E:8B:00 can be found. These controllers are | |
1226 | * fully operational, but have the danger of duplicate addresses | |
1227 | * and that in turn can cause problems with Bluetooth operation. | |
1228 | */ | |
4739b5b1 | 1229 | if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) { |
40cb0984 MH |
1230 | BT_ERR("%s found Intel default device address (%pMR)", |
1231 | hdev->name, &rp->bdaddr); | |
4739b5b1 MH |
1232 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1233 | } | |
40cb0984 MH |
1234 | |
1235 | kfree_skb(skb); | |
1236 | ||
1237 | return 0; | |
1238 | } | |
1239 | ||
dffd30ee THJA |
1240 | static int btusb_setup_intel(struct hci_dev *hdev) |
1241 | { | |
1242 | struct sk_buff *skb; | |
1243 | const struct firmware *fw; | |
1244 | const u8 *fw_ptr; | |
1245 | int disable_patch; | |
1246 | struct intel_version *ver; | |
1247 | ||
1248 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1249 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1250 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1251 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1252 | ||
1253 | BT_DBG("%s", hdev->name); | |
1254 | ||
1255 | /* The controller has a bug with the first HCI command sent to it | |
1256 | * returning number of completed commands as zero. This would stall the | |
1257 | * command processing in the Bluetooth core. | |
1258 | * | |
1259 | * As a workaround, send HCI Reset command first which will reset the | |
1260 | * number of completed commands and allow normal command processing | |
1261 | * from now on. | |
1262 | */ | |
1263 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1264 | if (IS_ERR(skb)) { | |
1265 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1266 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1267 | return PTR_ERR(skb); |
dffd30ee THJA |
1268 | } |
1269 | kfree_skb(skb); | |
1270 | ||
1271 | /* Read Intel specific controller version first to allow selection of | |
1272 | * which firmware file to load. | |
1273 | * | |
1274 | * The returned information are hardware variant and revision plus | |
1275 | * firmware variant, revision and build number. | |
1276 | */ | |
1277 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1278 | if (IS_ERR(skb)) { | |
1279 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1280 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1281 | return PTR_ERR(skb); |
dffd30ee THJA |
1282 | } |
1283 | ||
1284 | if (skb->len != sizeof(*ver)) { | |
1285 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1286 | kfree_skb(skb); | |
1287 | return -EIO; | |
1288 | } | |
1289 | ||
1290 | ver = (struct intel_version *)skb->data; | |
1291 | if (ver->status) { | |
1292 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1293 | ver->status); | |
1294 | kfree_skb(skb); | |
1295 | return -bt_to_errno(ver->status); | |
1296 | } | |
1297 | ||
1298 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1299 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1300 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1301 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1302 | ver->fw_patch_num); | |
1303 | ||
1304 | /* fw_patch_num indicates the version of patch the device currently | |
1305 | * have. If there is no patch data in the device, it is always 0x00. | |
1306 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1307 | */ | |
1308 | if (ver->fw_patch_num) { | |
1309 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1310 | hdev->name, ver->fw_patch_num); | |
1311 | kfree_skb(skb); | |
40cb0984 | 1312 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1313 | return 0; |
1314 | } | |
1315 | ||
1316 | /* Opens the firmware patch file based on the firmware version read | |
1317 | * from the controller. If it fails to open the matching firmware | |
1318 | * patch file, it tries to open the default firmware patch file. | |
1319 | * If no patch file is found, allow the device to operate without | |
1320 | * a patch. | |
1321 | */ | |
1322 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1323 | if (!fw) { | |
1324 | kfree_skb(skb); | |
40cb0984 | 1325 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1326 | return 0; |
1327 | } | |
1328 | fw_ptr = fw->data; | |
1329 | ||
1330 | /* This Intel specific command enables the manufacturer mode of the | |
1331 | * controller. | |
1332 | * | |
1333 | * Only while this mode is enabled, the driver can download the | |
1334 | * firmware patch data and configuration parameters. | |
1335 | */ | |
1336 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1337 | if (IS_ERR(skb)) { | |
1338 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1339 | hdev->name, PTR_ERR(skb)); | |
1340 | release_firmware(fw); | |
d9c78e97 | 1341 | return PTR_ERR(skb); |
dffd30ee THJA |
1342 | } |
1343 | ||
1344 | if (skb->data[0]) { | |
1345 | u8 evt_status = skb->data[0]; | |
1346 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", | |
1347 | hdev->name, evt_status); | |
1348 | kfree_skb(skb); | |
1349 | release_firmware(fw); | |
1350 | return -bt_to_errno(evt_status); | |
1351 | } | |
1352 | kfree_skb(skb); | |
1353 | ||
1354 | disable_patch = 1; | |
1355 | ||
1356 | /* The firmware data file consists of list of Intel specific HCI | |
1357 | * commands and its expected events. The first byte indicates the | |
1358 | * type of the message, either HCI command or HCI event. | |
1359 | * | |
1360 | * It reads the command and its expected event from the firmware file, | |
1361 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1362 | * the returned event is compared with the event read from the firmware | |
1363 | * file and it will continue until all the messages are downloaded to | |
1364 | * the controller. | |
1365 | * | |
1366 | * Once the firmware patching is completed successfully, | |
1367 | * the manufacturer mode is disabled with reset and activating the | |
1368 | * downloaded patch. | |
1369 | * | |
1370 | * If the firmware patching fails, the manufacturer mode is | |
1371 | * disabled with reset and deactivating the patch. | |
1372 | * | |
1373 | * If the default patch file is used, no reset is done when disabling | |
1374 | * the manufacturer. | |
1375 | */ | |
1376 | while (fw->size > fw_ptr - fw->data) { | |
1377 | int ret; | |
1378 | ||
1379 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1380 | &disable_patch); | |
1381 | if (ret < 0) | |
1382 | goto exit_mfg_deactivate; | |
1383 | } | |
1384 | ||
1385 | release_firmware(fw); | |
1386 | ||
1387 | if (disable_patch) | |
1388 | goto exit_mfg_disable; | |
1389 | ||
1390 | /* Patching completed successfully and disable the manufacturer mode | |
1391 | * with reset and activate the downloaded firmware patches. | |
1392 | */ | |
1393 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1394 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1395 | if (IS_ERR(skb)) { | |
1396 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1397 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1398 | return PTR_ERR(skb); |
dffd30ee THJA |
1399 | } |
1400 | kfree_skb(skb); | |
1401 | ||
1402 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1403 | hdev->name); | |
1404 | ||
40cb0984 | 1405 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1406 | return 0; |
1407 | ||
1408 | exit_mfg_disable: | |
1409 | /* Disable the manufacturer mode without reset */ | |
1410 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1411 | HCI_INIT_TIMEOUT); | |
1412 | if (IS_ERR(skb)) { | |
1413 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1414 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1415 | return PTR_ERR(skb); |
dffd30ee THJA |
1416 | } |
1417 | kfree_skb(skb); | |
1418 | ||
1419 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 MH |
1420 | |
1421 | btusb_check_bdaddr_intel(hdev); | |
dffd30ee THJA |
1422 | return 0; |
1423 | ||
1424 | exit_mfg_deactivate: | |
1425 | release_firmware(fw); | |
1426 | ||
1427 | /* Patching failed. Disable the manufacturer mode with reset and | |
1428 | * deactivate the downloaded firmware patches. | |
1429 | */ | |
1430 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1431 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1432 | if (IS_ERR(skb)) { | |
1433 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1434 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1435 | return PTR_ERR(skb); |
dffd30ee THJA |
1436 | } |
1437 | kfree_skb(skb); | |
1438 | ||
1439 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1440 | hdev->name); | |
1441 | ||
40cb0984 | 1442 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1443 | return 0; |
1444 | } | |
1445 | ||
cb8d6597 MH |
1446 | static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1447 | { | |
1448 | struct sk_buff *skb; | |
1449 | long ret; | |
1450 | ||
1451 | skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1452 | if (IS_ERR(skb)) { | |
1453 | ret = PTR_ERR(skb); | |
1454 | BT_ERR("%s: changing Intel device address failed (%ld)", | |
1455 | hdev->name, ret); | |
1456 | return ret; | |
1457 | } | |
1458 | kfree_skb(skb); | |
1459 | ||
1460 | return 0; | |
1461 | } | |
1462 | ||
ae8df494 AK |
1463 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
1464 | const bdaddr_t *bdaddr) | |
1465 | { | |
1466 | struct sk_buff *skb; | |
1467 | u8 buf[8]; | |
1468 | long ret; | |
1469 | ||
1470 | buf[0] = 0xfe; | |
1471 | buf[1] = sizeof(bdaddr_t); | |
1472 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
1473 | ||
1474 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
1475 | if (IS_ERR(skb)) { | |
1476 | ret = PTR_ERR(skb); | |
1477 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
1478 | hdev->name, ret); | |
1479 | return ret; | |
1480 | } | |
1481 | kfree_skb(skb); | |
1482 | ||
1483 | return 0; | |
1484 | } | |
1485 | ||
c8abb73f MH |
1486 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) |
1487 | ||
10d4c673 PG |
1488 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
1489 | { | |
1490 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1491 | struct usb_device *udev = data->udev; | |
1492 | char fw_name[64]; | |
1493 | const struct firmware *fw; | |
1494 | const u8 *fw_ptr; | |
1495 | size_t fw_size; | |
1496 | const struct hci_command_hdr *cmd; | |
1497 | const u8 *cmd_param; | |
1498 | u16 opcode; | |
1499 | struct sk_buff *skb; | |
1500 | struct hci_rp_read_local_version *ver; | |
c8abb73f | 1501 | struct hci_rp_read_bd_addr *bda; |
10d4c673 PG |
1502 | long ret; |
1503 | ||
1504 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd", | |
1505 | udev->product ? udev->product : "BCM", | |
1506 | le16_to_cpu(udev->descriptor.idVendor), | |
1507 | le16_to_cpu(udev->descriptor.idProduct)); | |
1508 | ||
1509 | ret = request_firmware(&fw, fw_name, &hdev->dev); | |
1510 | if (ret < 0) { | |
c8abb73f | 1511 | BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name); |
10d4c673 PG |
1512 | return 0; |
1513 | } | |
1514 | ||
1515 | /* Reset */ | |
1516 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1517 | if (IS_ERR(skb)) { | |
1518 | ret = PTR_ERR(skb); | |
1519 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1520 | goto done; | |
1521 | } | |
1522 | kfree_skb(skb); | |
1523 | ||
1524 | /* Read Local Version Info */ | |
1525 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1526 | HCI_INIT_TIMEOUT); | |
1527 | if (IS_ERR(skb)) { | |
1528 | ret = PTR_ERR(skb); | |
1529 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
1530 | hdev->name, ret); | |
1531 | goto done; | |
1532 | } | |
1533 | ||
1534 | if (skb->len != sizeof(*ver)) { | |
1535 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
1536 | hdev->name); | |
1537 | kfree_skb(skb); | |
1538 | ret = -EIO; | |
1539 | goto done; | |
1540 | } | |
1541 | ||
1542 | ver = (struct hci_rp_read_local_version *) skb->data; | |
1543 | BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x " | |
1544 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1545 | ver->lmp_ver, ver->lmp_subver); | |
1546 | kfree_skb(skb); | |
1547 | ||
1548 | /* Start Download */ | |
1549 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); | |
1550 | if (IS_ERR(skb)) { | |
1551 | ret = PTR_ERR(skb); | |
1552 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", | |
1553 | hdev->name, ret); | |
1554 | goto reset_fw; | |
1555 | } | |
1556 | kfree_skb(skb); | |
1557 | ||
1558 | /* 50 msec delay after Download Minidrv completes */ | |
1559 | msleep(50); | |
1560 | ||
1561 | fw_ptr = fw->data; | |
1562 | fw_size = fw->size; | |
1563 | ||
1564 | while (fw_size >= sizeof(*cmd)) { | |
1565 | cmd = (struct hci_command_hdr *) fw_ptr; | |
1566 | fw_ptr += sizeof(*cmd); | |
1567 | fw_size -= sizeof(*cmd); | |
1568 | ||
1569 | if (fw_size < cmd->plen) { | |
1570 | BT_ERR("%s: BCM: patch %s is corrupted", | |
1571 | hdev->name, fw_name); | |
1572 | ret = -EINVAL; | |
1573 | goto reset_fw; | |
1574 | } | |
1575 | ||
1576 | cmd_param = fw_ptr; | |
1577 | fw_ptr += cmd->plen; | |
1578 | fw_size -= cmd->plen; | |
1579 | ||
1580 | opcode = le16_to_cpu(cmd->opcode); | |
1581 | ||
1582 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, | |
1583 | HCI_INIT_TIMEOUT); | |
1584 | if (IS_ERR(skb)) { | |
1585 | ret = PTR_ERR(skb); | |
1586 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", | |
1587 | hdev->name, opcode, ret); | |
1588 | goto reset_fw; | |
1589 | } | |
1590 | kfree_skb(skb); | |
1591 | } | |
1592 | ||
1593 | /* 250 msec delay after Launch Ram completes */ | |
1594 | msleep(250); | |
1595 | ||
1596 | reset_fw: | |
1597 | /* Reset */ | |
1598 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1599 | if (IS_ERR(skb)) { | |
1600 | ret = PTR_ERR(skb); | |
1601 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1602 | goto done; | |
1603 | } | |
1604 | kfree_skb(skb); | |
1605 | ||
1606 | /* Read Local Version Info */ | |
1607 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1608 | HCI_INIT_TIMEOUT); | |
1609 | if (IS_ERR(skb)) { | |
1610 | ret = PTR_ERR(skb); | |
1611 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
1612 | hdev->name, ret); | |
1613 | goto done; | |
1614 | } | |
1615 | ||
1616 | if (skb->len != sizeof(*ver)) { | |
1617 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
1618 | hdev->name); | |
1619 | kfree_skb(skb); | |
1620 | ret = -EIO; | |
1621 | goto done; | |
1622 | } | |
1623 | ||
1624 | ver = (struct hci_rp_read_local_version *) skb->data; | |
1625 | BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x " | |
1626 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1627 | ver->lmp_ver, ver->lmp_subver); | |
1628 | kfree_skb(skb); | |
1629 | ||
c8abb73f MH |
1630 | /* Read BD Address */ |
1631 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1632 | HCI_INIT_TIMEOUT); | |
1633 | if (IS_ERR(skb)) { | |
1634 | ret = PTR_ERR(skb); | |
1635 | BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)", | |
1636 | hdev->name, ret); | |
1637 | goto done; | |
1638 | } | |
1639 | ||
1640 | if (skb->len != sizeof(*bda)) { | |
1641 | BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch", | |
1642 | hdev->name); | |
1643 | kfree_skb(skb); | |
1644 | ret = -EIO; | |
1645 | goto done; | |
1646 | } | |
1647 | ||
1648 | bda = (struct hci_rp_read_bd_addr *) skb->data; | |
1649 | if (bda->status) { | |
1650 | BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)", | |
1651 | hdev->name, bda->status); | |
1652 | kfree_skb(skb); | |
1653 | ret = -bt_to_errno(bda->status); | |
1654 | goto done; | |
1655 | } | |
1656 | ||
1657 | /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller | |
1658 | * with no configured address. | |
1659 | */ | |
849e5086 | 1660 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) { |
c8abb73f MH |
1661 | BT_INFO("%s: BCM: using default device address (%pMR)", |
1662 | hdev->name, &bda->bdaddr); | |
849e5086 MH |
1663 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1664 | } | |
c8abb73f MH |
1665 | |
1666 | kfree_skb(skb); | |
1667 | ||
10d4c673 PG |
1668 | done: |
1669 | release_firmware(fw); | |
1670 | ||
1671 | return ret; | |
1672 | } | |
1673 | ||
abbaf50e MH |
1674 | static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1675 | { | |
1676 | struct sk_buff *skb; | |
1677 | long ret; | |
1678 | ||
1679 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1680 | if (IS_ERR(skb)) { | |
1681 | ret = PTR_ERR(skb); | |
1682 | BT_ERR("%s: BCM: Change address command failed (%ld)", | |
1683 | hdev->name, ret); | |
1684 | return ret; | |
1685 | } | |
1686 | kfree_skb(skb); | |
1687 | ||
1688 | return 0; | |
1689 | } | |
1690 | ||
5e23b923 MH |
1691 | static int btusb_probe(struct usb_interface *intf, |
1692 | const struct usb_device_id *id) | |
1693 | { | |
1694 | struct usb_endpoint_descriptor *ep_desc; | |
1695 | struct btusb_data *data; | |
1696 | struct hci_dev *hdev; | |
1697 | int i, err; | |
1698 | ||
1699 | BT_DBG("intf %p id %p", intf, id); | |
1700 | ||
cfeb4145 | 1701 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1702 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1703 | return -ENODEV; | |
1704 | ||
1705 | if (!id->driver_info) { | |
1706 | const struct usb_device_id *match; | |
1707 | match = usb_match_id(intf, blacklist_table); | |
1708 | if (match) | |
1709 | id = match; | |
1710 | } | |
1711 | ||
cfeb4145 MH |
1712 | if (id->driver_info == BTUSB_IGNORE) |
1713 | return -ENODEV; | |
1714 | ||
2d25f8b4 SL |
1715 | if (id->driver_info & BTUSB_ATH3012) { |
1716 | struct usb_device *udev = interface_to_usbdev(intf); | |
1717 | ||
1718 | /* Old firmware would otherwise let ath3k driver load | |
1719 | * patch and sysconfig files */ | |
1720 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
1721 | return -ENODEV; | |
1722 | } | |
1723 | ||
98921dbd | 1724 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
1725 | if (!data) |
1726 | return -ENOMEM; | |
1727 | ||
1728 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1729 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1730 | ||
1731 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1732 | data->intr_ep = ep_desc; | |
1733 | continue; | |
1734 | } | |
1735 | ||
1736 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1737 | data->bulk_tx_ep = ep_desc; | |
1738 | continue; | |
1739 | } | |
1740 | ||
1741 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1742 | data->bulk_rx_ep = ep_desc; | |
1743 | continue; | |
1744 | } | |
1745 | } | |
1746 | ||
98921dbd | 1747 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 1748 | return -ENODEV; |
5e23b923 | 1749 | |
7a9d4020 MH |
1750 | data->cmdreq_type = USB_TYPE_CLASS; |
1751 | ||
5e23b923 | 1752 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 1753 | data->intf = intf; |
5e23b923 MH |
1754 | |
1755 | spin_lock_init(&data->lock); | |
1756 | ||
1757 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
1758 | INIT_WORK(&data->waker, btusb_waker); |
1759 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
1760 | |
1761 | init_usb_anchor(&data->tx_anchor); | |
1762 | init_usb_anchor(&data->intr_anchor); | |
1763 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1764 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1765 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1766 | |
1767 | hdev = hci_alloc_dev(); | |
98921dbd | 1768 | if (!hdev) |
5e23b923 | 1769 | return -ENOMEM; |
5e23b923 | 1770 | |
c13854ce | 1771 | hdev->bus = HCI_USB; |
155961e8 | 1772 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1773 | |
1774 | data->hdev = hdev; | |
1775 | ||
1776 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1777 | ||
9f8f962c MH |
1778 | hdev->open = btusb_open; |
1779 | hdev->close = btusb_close; | |
1780 | hdev->flush = btusb_flush; | |
1781 | hdev->send = btusb_send_frame; | |
1782 | hdev->notify = btusb_notify; | |
1783 | ||
1784 | if (id->driver_info & BTUSB_BCM92035) | |
1785 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 1786 | |
abbaf50e | 1787 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
10d4c673 | 1788 | hdev->setup = btusb_setup_bcm_patchram; |
abbaf50e MH |
1789 | hdev->set_bdaddr = btusb_set_bdaddr_bcm; |
1790 | } | |
10d4c673 | 1791 | |
cb8d6597 | 1792 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 1793 | hdev->setup = btusb_setup_intel; |
cb8d6597 MH |
1794 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
1795 | } | |
dffd30ee | 1796 | |
ae8df494 AK |
1797 | if (id->driver_info & BTUSB_MARVELL) |
1798 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
1799 | ||
40df783d MH |
1800 | if (id->driver_info & BTUSB_INTEL_BOOT) |
1801 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
1802 | ||
7a9d4020 | 1803 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1804 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1805 | ||
7a9d4020 | 1806 | if (!reset) |
a6c511c6 | 1807 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1808 | |
1809 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1810 | if (!disable_scofix) | |
1811 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1812 | } | |
1813 | ||
9bfa35fe MH |
1814 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1815 | data->isoc = NULL; | |
1816 | ||
7a9d4020 MH |
1817 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1818 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1819 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1820 | } |
1821 | ||
1822 | if (id->driver_info & BTUSB_CSR) { | |
1823 | struct usb_device *udev = data->udev; | |
81cac64b | 1824 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
1825 | |
1826 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 1827 | if (bcdDevice < 0x117) |
a6c511c6 | 1828 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
1829 | |
1830 | /* Fake CSR devices with broken commands */ | |
1831 | if (bcdDevice <= 0x100) | |
1832 | hdev->setup = btusb_setup_csr; | |
7a9d4020 MH |
1833 | } |
1834 | ||
cfeb4145 | 1835 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1836 | struct usb_device *udev = data->udev; |
cfeb4145 | 1837 | |
7a9d4020 | 1838 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1839 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1840 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
1841 | } | |
1842 | ||
3a5ef20c MH |
1843 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
1844 | /* A bug in the bootloader causes that interrupt interface is | |
1845 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
1846 | */ | |
1847 | err = usb_set_interface(data->udev, 0, 0); | |
1848 | if (err < 0) { | |
1849 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
1850 | hci_free_dev(hdev); | |
1851 | return err; | |
1852 | } | |
1853 | } | |
1854 | ||
9bfa35fe MH |
1855 | if (data->isoc) { |
1856 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1857 | data->isoc, data); |
9bfa35fe MH |
1858 | if (err < 0) { |
1859 | hci_free_dev(hdev); | |
9bfa35fe MH |
1860 | return err; |
1861 | } | |
1862 | } | |
1863 | ||
5e23b923 MH |
1864 | err = hci_register_dev(hdev); |
1865 | if (err < 0) { | |
1866 | hci_free_dev(hdev); | |
5e23b923 MH |
1867 | return err; |
1868 | } | |
1869 | ||
1870 | usb_set_intfdata(intf, data); | |
1871 | ||
1872 | return 0; | |
1873 | } | |
1874 | ||
1875 | static void btusb_disconnect(struct usb_interface *intf) | |
1876 | { | |
1877 | struct btusb_data *data = usb_get_intfdata(intf); | |
1878 | struct hci_dev *hdev; | |
1879 | ||
1880 | BT_DBG("intf %p", intf); | |
1881 | ||
1882 | if (!data) | |
1883 | return; | |
1884 | ||
1885 | hdev = data->hdev; | |
5fbcd260 MH |
1886 | usb_set_intfdata(data->intf, NULL); |
1887 | ||
1888 | if (data->isoc) | |
1889 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1890 | |
1891 | hci_unregister_dev(hdev); | |
1892 | ||
5fbcd260 MH |
1893 | if (intf == data->isoc) |
1894 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1895 | else if (data->isoc) | |
1896 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1897 | ||
5e23b923 MH |
1898 | hci_free_dev(hdev); |
1899 | } | |
1900 | ||
7bee549e | 1901 | #ifdef CONFIG_PM |
6a88adf2 MH |
1902 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1903 | { | |
1904 | struct btusb_data *data = usb_get_intfdata(intf); | |
1905 | ||
1906 | BT_DBG("intf %p", intf); | |
1907 | ||
1908 | if (data->suspend_count++) | |
1909 | return 0; | |
1910 | ||
7bee549e | 1911 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1912 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1913 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1914 | spin_unlock_irq(&data->txlock); | |
1915 | } else { | |
1916 | spin_unlock_irq(&data->txlock); | |
1917 | data->suspend_count--; | |
1918 | return -EBUSY; | |
1919 | } | |
1920 | ||
6a88adf2 MH |
1921 | cancel_work_sync(&data->work); |
1922 | ||
7bee549e | 1923 | btusb_stop_traffic(data); |
6a88adf2 MH |
1924 | usb_kill_anchored_urbs(&data->tx_anchor); |
1925 | ||
6a88adf2 MH |
1926 | return 0; |
1927 | } | |
1928 | ||
7bee549e ON |
1929 | static void play_deferred(struct btusb_data *data) |
1930 | { | |
1931 | struct urb *urb; | |
1932 | int err; | |
1933 | ||
1934 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1935 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1936 | if (err < 0) | |
1937 | break; | |
1938 | ||
1939 | data->tx_in_flight++; | |
1940 | } | |
1941 | usb_scuttle_anchored_urbs(&data->deferred); | |
1942 | } | |
1943 | ||
6a88adf2 MH |
1944 | static int btusb_resume(struct usb_interface *intf) |
1945 | { | |
1946 | struct btusb_data *data = usb_get_intfdata(intf); | |
1947 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1948 | int err = 0; |
6a88adf2 MH |
1949 | |
1950 | BT_DBG("intf %p", intf); | |
1951 | ||
1952 | if (--data->suspend_count) | |
1953 | return 0; | |
1954 | ||
1955 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1956 | goto done; |
6a88adf2 MH |
1957 | |
1958 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1959 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1960 | if (err < 0) { | |
1961 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1962 | goto failed; |
6a88adf2 MH |
1963 | } |
1964 | } | |
1965 | ||
1966 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1967 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1968 | if (err < 0) { | |
6a88adf2 | 1969 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1970 | goto failed; |
1971 | } | |
1972 | ||
1973 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1974 | } |
1975 | ||
1976 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1977 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1978 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1979 | else | |
1980 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1981 | } | |
1982 | ||
7bee549e ON |
1983 | spin_lock_irq(&data->txlock); |
1984 | play_deferred(data); | |
1985 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1986 | spin_unlock_irq(&data->txlock); | |
1987 | schedule_work(&data->work); | |
1988 | ||
6a88adf2 | 1989 | return 0; |
7bee549e ON |
1990 | |
1991 | failed: | |
1992 | usb_scuttle_anchored_urbs(&data->deferred); | |
1993 | done: | |
1994 | spin_lock_irq(&data->txlock); | |
1995 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1996 | spin_unlock_irq(&data->txlock); | |
1997 | ||
1998 | return err; | |
6a88adf2 | 1999 | } |
7bee549e | 2000 | #endif |
6a88adf2 | 2001 | |
5e23b923 MH |
2002 | static struct usb_driver btusb_driver = { |
2003 | .name = "btusb", | |
2004 | .probe = btusb_probe, | |
2005 | .disconnect = btusb_disconnect, | |
7bee549e | 2006 | #ifdef CONFIG_PM |
6a88adf2 MH |
2007 | .suspend = btusb_suspend, |
2008 | .resume = btusb_resume, | |
7bee549e | 2009 | #endif |
5e23b923 | 2010 | .id_table = btusb_table, |
7bee549e | 2011 | .supports_autosuspend = 1, |
e1f12eb6 | 2012 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
2013 | }; |
2014 | ||
93f1508c | 2015 | module_usb_driver(btusb_driver); |
5e23b923 | 2016 | |
cfeb4145 MH |
2017 | module_param(disable_scofix, bool, 0644); |
2018 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
2019 | ||
2020 | module_param(force_scofix, bool, 0644); | |
2021 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
2022 | ||
2023 | module_param(reset, bool, 0644); | |
2024 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
2025 | ||
5e23b923 MH |
2026 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
2027 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
2028 | MODULE_VERSION(VERSION); | |
2029 | MODULE_LICENSE("GPL"); |