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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 | |
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 | |
c2aef6e8 MH |
117 | /* ASUSTek Computer - Broadcom based */ |
118 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01) }, | |
119 | ||
5bcecf32 KB |
120 | /* Belkin F8065bf - Broadcom based */ |
121 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, | |
122 | ||
9113bfd8 JK |
123 | /* IMC Networks - Broadcom based */ |
124 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, | |
125 | ||
40df783d | 126 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
127 | { USB_DEVICE(0x8087, 0x0a5a), |
128 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 129 | |
5e23b923 MH |
130 | { } /* Terminating entry */ |
131 | }; | |
132 | ||
133 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
134 | ||
54265202 | 135 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
136 | /* CSR BlueCore devices */ |
137 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
138 | ||
139 | /* Broadcom BCM2033 without firmware */ | |
140 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
141 | ||
be93112a | 142 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
143 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
144 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
145 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, | |
be93112a | 146 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 147 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 148 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 149 | |
509e7861 CYC |
150 | /* Atheros AR9285 Malbec with sflash firmware */ |
151 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
152 | ||
d9f51b51 | 153 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
154 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
155 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
156 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
157 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
158 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
159 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, | |
160 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
161 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
162 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 163 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
164 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
165 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
166 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, | |
167 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
89d2975f | 168 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 169 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 170 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 171 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 172 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 173 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 174 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 175 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 176 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 177 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 178 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 179 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 180 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
181 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
182 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 183 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 184 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 185 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 186 | |
e9036e33 CYC |
187 | /* Atheros AR5BBU12 with sflash firmware */ |
188 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
189 | ||
85d59726 | 190 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 191 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 192 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 193 | |
cfeb4145 | 194 | /* Broadcom BCM2035 */ |
7a9d4020 | 195 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
196 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
197 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
198 | |
199 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
200 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
201 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 202 | |
cfeb4145 | 203 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
204 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
205 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
206 | |
207 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 208 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
209 | |
210 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 211 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 212 | |
5ddd4a60 | 213 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 214 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 215 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 216 | |
7a9d4020 MH |
217 | /* Belkin F8T012 and F8T013 devices */ |
218 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
219 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 220 | |
5ddd4a60 MH |
221 | /* Asus WL-BTD202 device */ |
222 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
223 | ||
224 | /* Kensington Bluetooth USB adapter */ | |
225 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
226 | ||
cfeb4145 MH |
227 | /* RTX Telecom based adapters with buggy SCO support */ |
228 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
229 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
230 | ||
231 | /* CONWISE Technology based adapters with buggy SCO support */ | |
232 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
233 | ||
cfeb4145 MH |
234 | /* Digianswer devices */ |
235 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
236 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
237 | ||
238 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
239 | { USB_DEVICE(0x0a12, 0x0002), |
240 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
241 | |
242 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
243 | { USB_DEVICE(0x16d3, 0x0002), |
244 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 245 | |
dffd30ee THJA |
246 | /* Intel Bluetooth device */ |
247 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
ef4e5e4a | 248 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
dffd30ee | 249 | |
ae8df494 AK |
250 | /* Marvell device */ |
251 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
252 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
253 | ||
5e23b923 MH |
254 | { } /* Terminating entry */ |
255 | }; | |
256 | ||
9bfa35fe MH |
257 | #define BTUSB_MAX_ISOC_FRAMES 10 |
258 | ||
5e23b923 MH |
259 | #define BTUSB_INTR_RUNNING 0 |
260 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 261 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 262 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 263 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
264 | |
265 | struct btusb_data { | |
266 | struct hci_dev *hdev; | |
267 | struct usb_device *udev; | |
5fbcd260 | 268 | struct usb_interface *intf; |
9bfa35fe | 269 | struct usb_interface *isoc; |
5e23b923 MH |
270 | |
271 | spinlock_t lock; | |
272 | ||
273 | unsigned long flags; | |
274 | ||
275 | struct work_struct work; | |
7bee549e | 276 | struct work_struct waker; |
5e23b923 MH |
277 | |
278 | struct usb_anchor tx_anchor; | |
279 | struct usb_anchor intr_anchor; | |
280 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 281 | struct usb_anchor isoc_anchor; |
7bee549e ON |
282 | struct usb_anchor deferred; |
283 | int tx_in_flight; | |
284 | spinlock_t txlock; | |
5e23b923 MH |
285 | |
286 | struct usb_endpoint_descriptor *intr_ep; | |
287 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
288 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
289 | struct usb_endpoint_descriptor *isoc_tx_ep; |
290 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
291 | ||
7a9d4020 MH |
292 | __u8 cmdreq_type; |
293 | ||
43c2e57f | 294 | unsigned int sco_num; |
9bfa35fe | 295 | int isoc_altsetting; |
6a88adf2 | 296 | int suspend_count; |
5e23b923 MH |
297 | }; |
298 | ||
7bee549e ON |
299 | static int inc_tx(struct btusb_data *data) |
300 | { | |
301 | unsigned long flags; | |
302 | int rv; | |
303 | ||
304 | spin_lock_irqsave(&data->txlock, flags); | |
305 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
306 | if (!rv) | |
307 | data->tx_in_flight++; | |
308 | spin_unlock_irqrestore(&data->txlock, flags); | |
309 | ||
310 | return rv; | |
311 | } | |
312 | ||
5e23b923 MH |
313 | static void btusb_intr_complete(struct urb *urb) |
314 | { | |
315 | struct hci_dev *hdev = urb->context; | |
155961e8 | 316 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
317 | int err; |
318 | ||
319 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
320 | urb, urb->status, urb->actual_length); | |
321 | ||
322 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
323 | return; | |
324 | ||
325 | if (urb->status == 0) { | |
9bfa35fe MH |
326 | hdev->stat.byte_rx += urb->actual_length; |
327 | ||
5e23b923 MH |
328 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
329 | urb->transfer_buffer, | |
330 | urb->actual_length) < 0) { | |
331 | BT_ERR("%s corrupted event packet", hdev->name); | |
332 | hdev->stat.err_rx++; | |
333 | } | |
334 | } | |
335 | ||
336 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
337 | return; | |
338 | ||
7bee549e | 339 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
340 | usb_anchor_urb(urb, &data->intr_anchor); |
341 | ||
342 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
343 | if (err < 0) { | |
4935f1c1 PB |
344 | /* -EPERM: urb is being killed; |
345 | * -ENODEV: device got disconnected */ | |
346 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 347 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
348 | hdev->name, urb, -err); |
349 | usb_unanchor_urb(urb); | |
350 | } | |
351 | } | |
352 | ||
2eda66f4 | 353 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 354 | { |
155961e8 | 355 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
356 | struct urb *urb; |
357 | unsigned char *buf; | |
358 | unsigned int pipe; | |
359 | int err, size; | |
360 | ||
361 | BT_DBG("%s", hdev->name); | |
362 | ||
9bfa35fe MH |
363 | if (!data->intr_ep) |
364 | return -ENODEV; | |
365 | ||
2eda66f4 | 366 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
367 | if (!urb) |
368 | return -ENOMEM; | |
369 | ||
370 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
371 | ||
2eda66f4 | 372 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
373 | if (!buf) { |
374 | usb_free_urb(urb); | |
375 | return -ENOMEM; | |
376 | } | |
377 | ||
378 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
379 | ||
380 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
381 | btusb_intr_complete, hdev, | |
382 | data->intr_ep->bInterval); | |
383 | ||
384 | urb->transfer_flags |= URB_FREE_BUFFER; | |
385 | ||
386 | usb_anchor_urb(urb, &data->intr_anchor); | |
387 | ||
2eda66f4 | 388 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 389 | if (err < 0) { |
d4b8d1c9 PB |
390 | if (err != -EPERM && err != -ENODEV) |
391 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
392 | hdev->name, urb, -err); |
393 | usb_unanchor_urb(urb); | |
5e23b923 MH |
394 | } |
395 | ||
396 | usb_free_urb(urb); | |
397 | ||
398 | return err; | |
399 | } | |
400 | ||
401 | static void btusb_bulk_complete(struct urb *urb) | |
402 | { | |
403 | struct hci_dev *hdev = urb->context; | |
155961e8 | 404 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
405 | int err; |
406 | ||
407 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
408 | urb, urb->status, urb->actual_length); | |
409 | ||
410 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
411 | return; | |
412 | ||
413 | if (urb->status == 0) { | |
9bfa35fe MH |
414 | hdev->stat.byte_rx += urb->actual_length; |
415 | ||
5e23b923 MH |
416 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
417 | urb->transfer_buffer, | |
418 | urb->actual_length) < 0) { | |
419 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
420 | hdev->stat.err_rx++; | |
421 | } | |
422 | } | |
423 | ||
424 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
425 | return; | |
426 | ||
427 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 428 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
429 | |
430 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
431 | if (err < 0) { | |
4935f1c1 PB |
432 | /* -EPERM: urb is being killed; |
433 | * -ENODEV: device got disconnected */ | |
434 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 435 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
436 | hdev->name, urb, -err); |
437 | usb_unanchor_urb(urb); | |
438 | } | |
439 | } | |
440 | ||
2eda66f4 | 441 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 442 | { |
155961e8 | 443 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
444 | struct urb *urb; |
445 | unsigned char *buf; | |
446 | unsigned int pipe; | |
290ba200 | 447 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
448 | |
449 | BT_DBG("%s", hdev->name); | |
450 | ||
9bfa35fe MH |
451 | if (!data->bulk_rx_ep) |
452 | return -ENODEV; | |
453 | ||
2eda66f4 | 454 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
455 | if (!urb) |
456 | return -ENOMEM; | |
457 | ||
2eda66f4 | 458 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
459 | if (!buf) { |
460 | usb_free_urb(urb); | |
461 | return -ENOMEM; | |
462 | } | |
463 | ||
464 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
465 | ||
466 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
467 | buf, size, btusb_bulk_complete, hdev); | |
468 | ||
469 | urb->transfer_flags |= URB_FREE_BUFFER; | |
470 | ||
7bee549e | 471 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
472 | usb_anchor_urb(urb, &data->bulk_anchor); |
473 | ||
2eda66f4 | 474 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 475 | if (err < 0) { |
d4b8d1c9 PB |
476 | if (err != -EPERM && err != -ENODEV) |
477 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
478 | hdev->name, urb, -err); |
479 | usb_unanchor_urb(urb); | |
5e23b923 MH |
480 | } |
481 | ||
482 | usb_free_urb(urb); | |
483 | ||
484 | return err; | |
485 | } | |
486 | ||
9bfa35fe MH |
487 | static void btusb_isoc_complete(struct urb *urb) |
488 | { | |
489 | struct hci_dev *hdev = urb->context; | |
155961e8 | 490 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
491 | int i, err; |
492 | ||
493 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
494 | urb, urb->status, urb->actual_length); | |
495 | ||
496 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
497 | return; | |
498 | ||
499 | if (urb->status == 0) { | |
500 | for (i = 0; i < urb->number_of_packets; i++) { | |
501 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
502 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
503 | ||
504 | if (urb->iso_frame_desc[i].status) | |
505 | continue; | |
506 | ||
507 | hdev->stat.byte_rx += length; | |
508 | ||
509 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
510 | urb->transfer_buffer + offset, | |
511 | length) < 0) { | |
512 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
513 | hdev->stat.err_rx++; | |
514 | } | |
515 | } | |
516 | } | |
517 | ||
518 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
519 | return; | |
520 | ||
521 | usb_anchor_urb(urb, &data->isoc_anchor); | |
522 | ||
523 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
524 | if (err < 0) { | |
4935f1c1 PB |
525 | /* -EPERM: urb is being killed; |
526 | * -ENODEV: device got disconnected */ | |
527 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 528 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
529 | hdev->name, urb, -err); |
530 | usb_unanchor_urb(urb); | |
531 | } | |
532 | } | |
533 | ||
42b16b3f | 534 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
535 | { |
536 | int i, offset = 0; | |
537 | ||
538 | BT_DBG("len %d mtu %d", len, mtu); | |
539 | ||
540 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
541 | i++, offset += mtu, len -= mtu) { | |
542 | urb->iso_frame_desc[i].offset = offset; | |
543 | urb->iso_frame_desc[i].length = mtu; | |
544 | } | |
545 | ||
546 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
547 | urb->iso_frame_desc[i].offset = offset; | |
548 | urb->iso_frame_desc[i].length = len; | |
549 | i++; | |
550 | } | |
551 | ||
552 | urb->number_of_packets = i; | |
553 | } | |
554 | ||
2eda66f4 | 555 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 556 | { |
155961e8 | 557 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
558 | struct urb *urb; |
559 | unsigned char *buf; | |
560 | unsigned int pipe; | |
561 | int err, size; | |
562 | ||
563 | BT_DBG("%s", hdev->name); | |
564 | ||
565 | if (!data->isoc_rx_ep) | |
566 | return -ENODEV; | |
567 | ||
2eda66f4 | 568 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
569 | if (!urb) |
570 | return -ENOMEM; | |
571 | ||
572 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
573 | BTUSB_MAX_ISOC_FRAMES; | |
574 | ||
2eda66f4 | 575 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
576 | if (!buf) { |
577 | usb_free_urb(urb); | |
578 | return -ENOMEM; | |
579 | } | |
580 | ||
581 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
582 | ||
fa0fb93f BZ |
583 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
584 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
585 | |
586 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
587 | |
588 | __fill_isoc_descriptor(urb, size, | |
589 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
590 | ||
591 | usb_anchor_urb(urb, &data->isoc_anchor); | |
592 | ||
2eda66f4 | 593 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 594 | if (err < 0) { |
d4b8d1c9 PB |
595 | if (err != -EPERM && err != -ENODEV) |
596 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
597 | hdev->name, urb, -err); |
598 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
599 | } |
600 | ||
601 | usb_free_urb(urb); | |
602 | ||
603 | return err; | |
604 | } | |
605 | ||
5e23b923 | 606 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
607 | { |
608 | struct sk_buff *skb = urb->context; | |
609 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 610 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
611 | |
612 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
613 | urb, urb->status, urb->actual_length); | |
614 | ||
615 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
616 | goto done; | |
617 | ||
618 | if (!urb->status) | |
619 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
620 | else | |
621 | hdev->stat.err_tx++; | |
622 | ||
623 | done: | |
624 | spin_lock(&data->txlock); | |
625 | data->tx_in_flight--; | |
626 | spin_unlock(&data->txlock); | |
627 | ||
628 | kfree(urb->setup_packet); | |
629 | ||
630 | kfree_skb(skb); | |
631 | } | |
632 | ||
633 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
634 | { |
635 | struct sk_buff *skb = urb->context; | |
636 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
637 | ||
638 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
639 | urb, urb->status, urb->actual_length); | |
640 | ||
641 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
642 | goto done; | |
643 | ||
644 | if (!urb->status) | |
645 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
646 | else | |
647 | hdev->stat.err_tx++; | |
648 | ||
649 | done: | |
650 | kfree(urb->setup_packet); | |
651 | ||
652 | kfree_skb(skb); | |
653 | } | |
654 | ||
655 | static int btusb_open(struct hci_dev *hdev) | |
656 | { | |
155961e8 | 657 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
658 | int err; |
659 | ||
660 | BT_DBG("%s", hdev->name); | |
661 | ||
7bee549e ON |
662 | err = usb_autopm_get_interface(data->intf); |
663 | if (err < 0) | |
664 | return err; | |
665 | ||
666 | data->intf->needs_remote_wakeup = 1; | |
667 | ||
5e23b923 | 668 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 669 | goto done; |
5e23b923 MH |
670 | |
671 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 672 | goto done; |
5e23b923 | 673 | |
2eda66f4 | 674 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
675 | if (err < 0) |
676 | goto failed; | |
677 | ||
678 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 679 | if (err < 0) { |
43c2e57f MH |
680 | usb_kill_anchored_urbs(&data->intr_anchor); |
681 | goto failed; | |
5e23b923 MH |
682 | } |
683 | ||
43c2e57f MH |
684 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
685 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
686 | ||
7bee549e ON |
687 | done: |
688 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
689 | return 0; |
690 | ||
691 | failed: | |
692 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
693 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 694 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
695 | return err; |
696 | } | |
697 | ||
7bee549e ON |
698 | static void btusb_stop_traffic(struct btusb_data *data) |
699 | { | |
700 | usb_kill_anchored_urbs(&data->intr_anchor); | |
701 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
702 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
703 | } | |
704 | ||
5e23b923 MH |
705 | static int btusb_close(struct hci_dev *hdev) |
706 | { | |
155961e8 | 707 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 708 | int err; |
5e23b923 MH |
709 | |
710 | BT_DBG("%s", hdev->name); | |
711 | ||
712 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
713 | return 0; | |
714 | ||
e8c3c3d2 | 715 | cancel_work_sync(&data->work); |
404291ac | 716 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 717 | |
9bfa35fe | 718 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 719 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 720 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
721 | |
722 | btusb_stop_traffic(data); | |
723 | err = usb_autopm_get_interface(data->intf); | |
724 | if (err < 0) | |
7b8e2c1d | 725 | goto failed; |
7bee549e ON |
726 | |
727 | data->intf->needs_remote_wakeup = 0; | |
728 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 729 | |
7b8e2c1d ON |
730 | failed: |
731 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
732 | return 0; |
733 | } | |
734 | ||
735 | static int btusb_flush(struct hci_dev *hdev) | |
736 | { | |
155961e8 | 737 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
738 | |
739 | BT_DBG("%s", hdev->name); | |
740 | ||
741 | usb_kill_anchored_urbs(&data->tx_anchor); | |
742 | ||
743 | return 0; | |
744 | } | |
745 | ||
7bd8f09f | 746 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 747 | { |
155961e8 | 748 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
749 | struct usb_ctrlrequest *dr; |
750 | struct urb *urb; | |
751 | unsigned int pipe; | |
752 | int err; | |
753 | ||
754 | BT_DBG("%s", hdev->name); | |
755 | ||
756 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
757 | return -EBUSY; | |
758 | ||
7bd8f09f MH |
759 | skb->dev = (void *) hdev; |
760 | ||
5e23b923 MH |
761 | switch (bt_cb(skb)->pkt_type) { |
762 | case HCI_COMMAND_PKT: | |
763 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
764 | if (!urb) | |
765 | return -ENOMEM; | |
766 | ||
767 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
768 | if (!dr) { | |
769 | usb_free_urb(urb); | |
770 | return -ENOMEM; | |
771 | } | |
772 | ||
7a9d4020 | 773 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
774 | dr->bRequest = 0; |
775 | dr->wIndex = 0; | |
776 | dr->wValue = 0; | |
777 | dr->wLength = __cpu_to_le16(skb->len); | |
778 | ||
779 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
780 | ||
781 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
782 | skb->data, skb->len, btusb_tx_complete, skb); | |
783 | ||
784 | hdev->stat.cmd_tx++; | |
785 | break; | |
786 | ||
787 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 788 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
789 | return -ENODEV; |
790 | ||
5e23b923 MH |
791 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
792 | if (!urb) | |
793 | return -ENOMEM; | |
794 | ||
795 | pipe = usb_sndbulkpipe(data->udev, | |
796 | data->bulk_tx_ep->bEndpointAddress); | |
797 | ||
798 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
799 | skb->data, skb->len, btusb_tx_complete, skb); | |
800 | ||
801 | hdev->stat.acl_tx++; | |
802 | break; | |
803 | ||
804 | case HCI_SCODATA_PKT: | |
014f7bc7 | 805 | if (!data->isoc_tx_ep || hci_conn_num(hdev, SCO_LINK) < 1) |
9bfa35fe MH |
806 | return -ENODEV; |
807 | ||
808 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
809 | if (!urb) | |
810 | return -ENOMEM; | |
811 | ||
812 | pipe = usb_sndisocpipe(data->udev, | |
813 | data->isoc_tx_ep->bEndpointAddress); | |
814 | ||
03c2d0e8 GP |
815 | usb_fill_int_urb(urb, data->udev, pipe, |
816 | skb->data, skb->len, btusb_isoc_tx_complete, | |
817 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
818 | |
819 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
820 | |
821 | __fill_isoc_descriptor(urb, skb->len, | |
822 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
823 | ||
5e23b923 | 824 | hdev->stat.sco_tx++; |
7bee549e | 825 | goto skip_waking; |
5e23b923 MH |
826 | |
827 | default: | |
828 | return -EILSEQ; | |
829 | } | |
830 | ||
7bee549e ON |
831 | err = inc_tx(data); |
832 | if (err) { | |
833 | usb_anchor_urb(urb, &data->deferred); | |
834 | schedule_work(&data->waker); | |
835 | err = 0; | |
836 | goto done; | |
837 | } | |
838 | ||
839 | skip_waking: | |
5e23b923 MH |
840 | usb_anchor_urb(urb, &data->tx_anchor); |
841 | ||
842 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
843 | if (err < 0) { | |
5a9b80e2 PB |
844 | if (err != -EPERM && err != -ENODEV) |
845 | BT_ERR("%s urb %p submission failed (%d)", | |
846 | hdev->name, urb, -err); | |
5e23b923 MH |
847 | kfree(urb->setup_packet); |
848 | usb_unanchor_urb(urb); | |
7bee549e ON |
849 | } else { |
850 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
851 | } |
852 | ||
7bee549e | 853 | done: |
54a8a79c | 854 | usb_free_urb(urb); |
5e23b923 MH |
855 | return err; |
856 | } | |
857 | ||
5e23b923 MH |
858 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
859 | { | |
155961e8 | 860 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
861 | |
862 | BT_DBG("%s evt %d", hdev->name, evt); | |
863 | ||
014f7bc7 MH |
864 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
865 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 866 | schedule_work(&data->work); |
a780efa8 | 867 | } |
5e23b923 MH |
868 | } |
869 | ||
42b16b3f | 870 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 871 | { |
155961e8 | 872 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
873 | struct usb_interface *intf = data->isoc; |
874 | struct usb_endpoint_descriptor *ep_desc; | |
875 | int i, err; | |
876 | ||
877 | if (!data->isoc) | |
878 | return -ENODEV; | |
879 | ||
880 | err = usb_set_interface(data->udev, 1, altsetting); | |
881 | if (err < 0) { | |
882 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
883 | return err; | |
884 | } | |
885 | ||
886 | data->isoc_altsetting = altsetting; | |
887 | ||
888 | data->isoc_tx_ep = NULL; | |
889 | data->isoc_rx_ep = NULL; | |
890 | ||
891 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
892 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
893 | ||
894 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
895 | data->isoc_tx_ep = ep_desc; | |
896 | continue; | |
897 | } | |
898 | ||
899 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
900 | data->isoc_rx_ep = ep_desc; | |
901 | continue; | |
902 | } | |
903 | } | |
904 | ||
905 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
906 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
907 | return -ENODEV; | |
908 | } | |
909 | ||
910 | return 0; | |
911 | } | |
912 | ||
5e23b923 MH |
913 | static void btusb_work(struct work_struct *work) |
914 | { | |
915 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
916 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 917 | int new_alts; |
7bee549e | 918 | int err; |
5e23b923 | 919 | |
014f7bc7 | 920 | if (data->sco_num > 0) { |
08b8b6c4 | 921 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 922 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
923 | if (err < 0) { |
924 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
925 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
926 | return; | |
927 | } | |
928 | ||
08b8b6c4 | 929 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 930 | } |
f4001d28 MA |
931 | |
932 | if (hdev->voice_setting & 0x0020) { | |
933 | static const int alts[3] = { 2, 4, 5 }; | |
014f7bc7 | 934 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 935 | } else { |
014f7bc7 | 936 | new_alts = data->sco_num; |
f4001d28 MA |
937 | } |
938 | ||
939 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
940 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
941 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
942 | ||
f4001d28 | 943 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
944 | return; |
945 | } | |
946 | ||
947 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 948 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
949 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
950 | else | |
2eda66f4 | 951 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
952 | } |
953 | } else { | |
954 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
955 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
956 | ||
957 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 958 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 959 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
960 | } |
961 | } | |
962 | ||
7bee549e ON |
963 | static void btusb_waker(struct work_struct *work) |
964 | { | |
965 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
966 | int err; | |
967 | ||
968 | err = usb_autopm_get_interface(data->intf); | |
969 | if (err < 0) | |
970 | return; | |
971 | ||
972 | usb_autopm_put_interface(data->intf); | |
973 | } | |
974 | ||
9f8f962c MH |
975 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
976 | { | |
977 | struct sk_buff *skb; | |
978 | u8 val = 0x00; | |
979 | ||
980 | BT_DBG("%s", hdev->name); | |
981 | ||
982 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
983 | if (IS_ERR(skb)) | |
984 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
985 | else | |
986 | kfree_skb(skb); | |
987 | ||
988 | return 0; | |
989 | } | |
990 | ||
81cac64b MH |
991 | static int btusb_setup_csr(struct hci_dev *hdev) |
992 | { | |
993 | struct hci_rp_read_local_version *rp; | |
994 | struct sk_buff *skb; | |
995 | int ret; | |
996 | ||
997 | BT_DBG("%s", hdev->name); | |
998 | ||
999 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1000 | HCI_INIT_TIMEOUT); | |
1001 | if (IS_ERR(skb)) { | |
1002 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); | |
1003 | return -PTR_ERR(skb); | |
1004 | } | |
1005 | ||
1006 | rp = (struct hci_rp_read_local_version *) skb->data; | |
1007 | ||
1008 | if (!rp->status) { | |
1009 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
1010 | /* Clear the reset quirk since this is not an actual | |
1011 | * early Bluetooth 1.1 device from CSR. | |
1012 | */ | |
1013 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
1014 | ||
1015 | /* These fake CSR controllers have all a broken | |
1016 | * stored link key handling and so just disable it. | |
1017 | */ | |
1018 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
1019 | &hdev->quirks); | |
1020 | } | |
1021 | } | |
1022 | ||
1023 | ret = -bt_to_errno(rp->status); | |
1024 | ||
1025 | kfree_skb(skb); | |
1026 | ||
1027 | return ret; | |
1028 | } | |
1029 | ||
dffd30ee THJA |
1030 | struct intel_version { |
1031 | u8 status; | |
1032 | u8 hw_platform; | |
1033 | u8 hw_variant; | |
1034 | u8 hw_revision; | |
1035 | u8 fw_variant; | |
1036 | u8 fw_revision; | |
1037 | u8 fw_build_num; | |
1038 | u8 fw_build_ww; | |
1039 | u8 fw_build_yy; | |
1040 | u8 fw_patch_num; | |
1041 | } __packed; | |
1042 | ||
1043 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
1044 | struct intel_version *ver) | |
1045 | { | |
1046 | const struct firmware *fw; | |
1047 | char fwname[64]; | |
1048 | int ret; | |
1049 | ||
1050 | snprintf(fwname, sizeof(fwname), | |
1051 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1052 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1053 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1054 | ver->fw_build_ww, ver->fw_build_yy); | |
1055 | ||
1056 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1057 | if (ret < 0) { | |
1058 | if (ret == -EINVAL) { | |
1059 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1060 | hdev->name, ret); | |
1061 | return NULL; | |
1062 | } | |
1063 | ||
1064 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1065 | hdev->name, fwname, ret); | |
1066 | ||
1067 | /* If the correct firmware patch file is not found, use the | |
1068 | * default firmware patch file instead | |
1069 | */ | |
1070 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1071 | ver->hw_platform, ver->hw_variant); | |
1072 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1073 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1074 | hdev->name, fwname); | |
1075 | return NULL; | |
1076 | } | |
1077 | } | |
1078 | ||
1079 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1080 | ||
1081 | return fw; | |
1082 | } | |
1083 | ||
1084 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1085 | const struct firmware *fw, | |
1086 | const u8 **fw_ptr, int *disable_patch) | |
1087 | { | |
1088 | struct sk_buff *skb; | |
1089 | struct hci_command_hdr *cmd; | |
1090 | const u8 *cmd_param; | |
1091 | struct hci_event_hdr *evt = NULL; | |
1092 | const u8 *evt_param = NULL; | |
1093 | int remain = fw->size - (*fw_ptr - fw->data); | |
1094 | ||
1095 | /* The first byte indicates the types of the patch command or event. | |
1096 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1097 | * in the current firmware buffer doesn't start with 0x01 or | |
1098 | * the size of remain buffer is smaller than HCI command header, | |
1099 | * the firmware file is corrupted and it should stop the patching | |
1100 | * process. | |
1101 | */ | |
1102 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1103 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1104 | return -EINVAL; | |
1105 | } | |
1106 | (*fw_ptr)++; | |
1107 | remain--; | |
1108 | ||
1109 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1110 | *fw_ptr += sizeof(*cmd); | |
1111 | remain -= sizeof(*cmd); | |
1112 | ||
1113 | /* Ensure that the remain firmware data is long enough than the length | |
1114 | * of command parameter. If not, the firmware file is corrupted. | |
1115 | */ | |
1116 | if (remain < cmd->plen) { | |
1117 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1118 | return -EFAULT; | |
1119 | } | |
1120 | ||
1121 | /* If there is a command that loads a patch in the firmware | |
1122 | * file, then enable the patch upon success, otherwise just | |
1123 | * disable the manufacturer mode, for example patch activation | |
1124 | * is not required when the default firmware patch file is used | |
1125 | * because there are no patch data to load. | |
1126 | */ | |
1127 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1128 | *disable_patch = 0; | |
1129 | ||
1130 | cmd_param = *fw_ptr; | |
1131 | *fw_ptr += cmd->plen; | |
1132 | remain -= cmd->plen; | |
1133 | ||
1134 | /* This reads the expected events when the above command is sent to the | |
1135 | * device. Some vendor commands expects more than one events, for | |
1136 | * example command status event followed by vendor specific event. | |
1137 | * For this case, it only keeps the last expected event. so the command | |
1138 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1139 | * last expected event. | |
1140 | */ | |
1141 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1142 | (*fw_ptr)++; | |
1143 | remain--; | |
1144 | ||
1145 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1146 | *fw_ptr += sizeof(*evt); | |
1147 | remain -= sizeof(*evt); | |
1148 | ||
1149 | if (remain < evt->plen) { | |
1150 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1151 | hdev->name); | |
1152 | return -EFAULT; | |
1153 | } | |
1154 | ||
1155 | evt_param = *fw_ptr; | |
1156 | *fw_ptr += evt->plen; | |
1157 | remain -= evt->plen; | |
1158 | } | |
1159 | ||
1160 | /* Every HCI commands in the firmware file has its correspond event. | |
1161 | * If event is not found or remain is smaller than zero, the firmware | |
1162 | * file is corrupted. | |
1163 | */ | |
1164 | if (!evt || !evt_param || remain < 0) { | |
1165 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1166 | return -EFAULT; | |
1167 | } | |
1168 | ||
1169 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1170 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1171 | if (IS_ERR(skb)) { | |
1172 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1173 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1174 | return PTR_ERR(skb); |
dffd30ee THJA |
1175 | } |
1176 | ||
1177 | /* It ensures that the returned event matches the event data read from | |
1178 | * the firmware file. At fist, it checks the length and then | |
1179 | * the contents of the event. | |
1180 | */ | |
1181 | if (skb->len != evt->plen) { | |
1182 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1183 | le16_to_cpu(cmd->opcode)); | |
1184 | kfree_skb(skb); | |
1185 | return -EFAULT; | |
1186 | } | |
1187 | ||
1188 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1189 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1190 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1191 | kfree_skb(skb); | |
1192 | return -EFAULT; | |
1193 | } | |
1194 | kfree_skb(skb); | |
1195 | ||
1196 | return 0; | |
1197 | } | |
1198 | ||
40cb0984 MH |
1199 | #define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}}) |
1200 | ||
1201 | static int btusb_check_bdaddr_intel(struct hci_dev *hdev) | |
1202 | { | |
1203 | struct sk_buff *skb; | |
1204 | struct hci_rp_read_bd_addr *rp; | |
1205 | ||
1206 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1207 | HCI_INIT_TIMEOUT); | |
1208 | if (IS_ERR(skb)) { | |
1209 | BT_ERR("%s reading Intel device address failed (%ld)", | |
1210 | hdev->name, PTR_ERR(skb)); | |
1211 | return PTR_ERR(skb); | |
1212 | } | |
1213 | ||
1214 | if (skb->len != sizeof(*rp)) { | |
1215 | BT_ERR("%s Intel device address length mismatch", hdev->name); | |
1216 | kfree_skb(skb); | |
1217 | return -EIO; | |
1218 | } | |
1219 | ||
1220 | rp = (struct hci_rp_read_bd_addr *) skb->data; | |
1221 | if (rp->status) { | |
1222 | BT_ERR("%s Intel device address result failed (%02x)", | |
1223 | hdev->name, rp->status); | |
1224 | kfree_skb(skb); | |
1225 | return -bt_to_errno(rp->status); | |
1226 | } | |
1227 | ||
1228 | /* For some Intel based controllers, the default Bluetooth device | |
1229 | * address 00:03:19:9E:8B:00 can be found. These controllers are | |
1230 | * fully operational, but have the danger of duplicate addresses | |
1231 | * and that in turn can cause problems with Bluetooth operation. | |
1232 | */ | |
4739b5b1 | 1233 | if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) { |
40cb0984 MH |
1234 | BT_ERR("%s found Intel default device address (%pMR)", |
1235 | hdev->name, &rp->bdaddr); | |
4739b5b1 MH |
1236 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1237 | } | |
40cb0984 MH |
1238 | |
1239 | kfree_skb(skb); | |
1240 | ||
1241 | return 0; | |
1242 | } | |
1243 | ||
dffd30ee THJA |
1244 | static int btusb_setup_intel(struct hci_dev *hdev) |
1245 | { | |
1246 | struct sk_buff *skb; | |
1247 | const struct firmware *fw; | |
1248 | const u8 *fw_ptr; | |
1249 | int disable_patch; | |
1250 | struct intel_version *ver; | |
1251 | ||
1252 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1253 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1254 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1255 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1256 | ||
1257 | BT_DBG("%s", hdev->name); | |
1258 | ||
1259 | /* The controller has a bug with the first HCI command sent to it | |
1260 | * returning number of completed commands as zero. This would stall the | |
1261 | * command processing in the Bluetooth core. | |
1262 | * | |
1263 | * As a workaround, send HCI Reset command first which will reset the | |
1264 | * number of completed commands and allow normal command processing | |
1265 | * from now on. | |
1266 | */ | |
1267 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1268 | if (IS_ERR(skb)) { | |
1269 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1270 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1271 | return PTR_ERR(skb); |
dffd30ee THJA |
1272 | } |
1273 | kfree_skb(skb); | |
1274 | ||
1275 | /* Read Intel specific controller version first to allow selection of | |
1276 | * which firmware file to load. | |
1277 | * | |
1278 | * The returned information are hardware variant and revision plus | |
1279 | * firmware variant, revision and build number. | |
1280 | */ | |
1281 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1282 | if (IS_ERR(skb)) { | |
1283 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1284 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1285 | return PTR_ERR(skb); |
dffd30ee THJA |
1286 | } |
1287 | ||
1288 | if (skb->len != sizeof(*ver)) { | |
1289 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1290 | kfree_skb(skb); | |
1291 | return -EIO; | |
1292 | } | |
1293 | ||
1294 | ver = (struct intel_version *)skb->data; | |
1295 | if (ver->status) { | |
1296 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1297 | ver->status); | |
1298 | kfree_skb(skb); | |
1299 | return -bt_to_errno(ver->status); | |
1300 | } | |
1301 | ||
1302 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1303 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1304 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1305 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1306 | ver->fw_patch_num); | |
1307 | ||
1308 | /* fw_patch_num indicates the version of patch the device currently | |
1309 | * have. If there is no patch data in the device, it is always 0x00. | |
1310 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1311 | */ | |
1312 | if (ver->fw_patch_num) { | |
1313 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1314 | hdev->name, ver->fw_patch_num); | |
1315 | kfree_skb(skb); | |
40cb0984 | 1316 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1317 | return 0; |
1318 | } | |
1319 | ||
1320 | /* Opens the firmware patch file based on the firmware version read | |
1321 | * from the controller. If it fails to open the matching firmware | |
1322 | * patch file, it tries to open the default firmware patch file. | |
1323 | * If no patch file is found, allow the device to operate without | |
1324 | * a patch. | |
1325 | */ | |
1326 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1327 | if (!fw) { | |
1328 | kfree_skb(skb); | |
40cb0984 | 1329 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1330 | return 0; |
1331 | } | |
1332 | fw_ptr = fw->data; | |
1333 | ||
1334 | /* This Intel specific command enables the manufacturer mode of the | |
1335 | * controller. | |
1336 | * | |
1337 | * Only while this mode is enabled, the driver can download the | |
1338 | * firmware patch data and configuration parameters. | |
1339 | */ | |
1340 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1341 | if (IS_ERR(skb)) { | |
1342 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1343 | hdev->name, PTR_ERR(skb)); | |
1344 | release_firmware(fw); | |
d9c78e97 | 1345 | return PTR_ERR(skb); |
dffd30ee THJA |
1346 | } |
1347 | ||
1348 | if (skb->data[0]) { | |
1349 | u8 evt_status = skb->data[0]; | |
1350 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", | |
1351 | hdev->name, evt_status); | |
1352 | kfree_skb(skb); | |
1353 | release_firmware(fw); | |
1354 | return -bt_to_errno(evt_status); | |
1355 | } | |
1356 | kfree_skb(skb); | |
1357 | ||
1358 | disable_patch = 1; | |
1359 | ||
1360 | /* The firmware data file consists of list of Intel specific HCI | |
1361 | * commands and its expected events. The first byte indicates the | |
1362 | * type of the message, either HCI command or HCI event. | |
1363 | * | |
1364 | * It reads the command and its expected event from the firmware file, | |
1365 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1366 | * the returned event is compared with the event read from the firmware | |
1367 | * file and it will continue until all the messages are downloaded to | |
1368 | * the controller. | |
1369 | * | |
1370 | * Once the firmware patching is completed successfully, | |
1371 | * the manufacturer mode is disabled with reset and activating the | |
1372 | * downloaded patch. | |
1373 | * | |
1374 | * If the firmware patching fails, the manufacturer mode is | |
1375 | * disabled with reset and deactivating the patch. | |
1376 | * | |
1377 | * If the default patch file is used, no reset is done when disabling | |
1378 | * the manufacturer. | |
1379 | */ | |
1380 | while (fw->size > fw_ptr - fw->data) { | |
1381 | int ret; | |
1382 | ||
1383 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1384 | &disable_patch); | |
1385 | if (ret < 0) | |
1386 | goto exit_mfg_deactivate; | |
1387 | } | |
1388 | ||
1389 | release_firmware(fw); | |
1390 | ||
1391 | if (disable_patch) | |
1392 | goto exit_mfg_disable; | |
1393 | ||
1394 | /* Patching completed successfully and disable the manufacturer mode | |
1395 | * with reset and activate the downloaded firmware patches. | |
1396 | */ | |
1397 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1398 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1399 | if (IS_ERR(skb)) { | |
1400 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1401 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1402 | return PTR_ERR(skb); |
dffd30ee THJA |
1403 | } |
1404 | kfree_skb(skb); | |
1405 | ||
1406 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1407 | hdev->name); | |
1408 | ||
40cb0984 | 1409 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1410 | return 0; |
1411 | ||
1412 | exit_mfg_disable: | |
1413 | /* Disable the manufacturer mode without reset */ | |
1414 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1415 | HCI_INIT_TIMEOUT); | |
1416 | if (IS_ERR(skb)) { | |
1417 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1418 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1419 | return PTR_ERR(skb); |
dffd30ee THJA |
1420 | } |
1421 | kfree_skb(skb); | |
1422 | ||
1423 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 MH |
1424 | |
1425 | btusb_check_bdaddr_intel(hdev); | |
dffd30ee THJA |
1426 | return 0; |
1427 | ||
1428 | exit_mfg_deactivate: | |
1429 | release_firmware(fw); | |
1430 | ||
1431 | /* Patching failed. Disable the manufacturer mode with reset and | |
1432 | * deactivate the downloaded firmware patches. | |
1433 | */ | |
1434 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1435 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1436 | if (IS_ERR(skb)) { | |
1437 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1438 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1439 | return PTR_ERR(skb); |
dffd30ee THJA |
1440 | } |
1441 | kfree_skb(skb); | |
1442 | ||
1443 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1444 | hdev->name); | |
1445 | ||
40cb0984 | 1446 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1447 | return 0; |
1448 | } | |
1449 | ||
cb8d6597 MH |
1450 | static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1451 | { | |
1452 | struct sk_buff *skb; | |
1453 | long ret; | |
1454 | ||
1455 | skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1456 | if (IS_ERR(skb)) { | |
1457 | ret = PTR_ERR(skb); | |
1458 | BT_ERR("%s: changing Intel device address failed (%ld)", | |
1459 | hdev->name, ret); | |
1460 | return ret; | |
1461 | } | |
1462 | kfree_skb(skb); | |
1463 | ||
1464 | return 0; | |
1465 | } | |
1466 | ||
ae8df494 AK |
1467 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
1468 | const bdaddr_t *bdaddr) | |
1469 | { | |
1470 | struct sk_buff *skb; | |
1471 | u8 buf[8]; | |
1472 | long ret; | |
1473 | ||
1474 | buf[0] = 0xfe; | |
1475 | buf[1] = sizeof(bdaddr_t); | |
1476 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
1477 | ||
1478 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
1479 | if (IS_ERR(skb)) { | |
1480 | ret = PTR_ERR(skb); | |
1481 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
1482 | hdev->name, ret); | |
1483 | return ret; | |
1484 | } | |
1485 | kfree_skb(skb); | |
1486 | ||
1487 | return 0; | |
1488 | } | |
1489 | ||
c8abb73f MH |
1490 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) |
1491 | ||
10d4c673 PG |
1492 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
1493 | { | |
1494 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1495 | struct usb_device *udev = data->udev; | |
1496 | char fw_name[64]; | |
1497 | const struct firmware *fw; | |
1498 | const u8 *fw_ptr; | |
1499 | size_t fw_size; | |
1500 | const struct hci_command_hdr *cmd; | |
1501 | const u8 *cmd_param; | |
1502 | u16 opcode; | |
1503 | struct sk_buff *skb; | |
1504 | struct hci_rp_read_local_version *ver; | |
c8abb73f | 1505 | struct hci_rp_read_bd_addr *bda; |
10d4c673 PG |
1506 | long ret; |
1507 | ||
1508 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd", | |
1509 | udev->product ? udev->product : "BCM", | |
1510 | le16_to_cpu(udev->descriptor.idVendor), | |
1511 | le16_to_cpu(udev->descriptor.idProduct)); | |
1512 | ||
1513 | ret = request_firmware(&fw, fw_name, &hdev->dev); | |
1514 | if (ret < 0) { | |
c8abb73f | 1515 | BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name); |
10d4c673 PG |
1516 | return 0; |
1517 | } | |
1518 | ||
1519 | /* Reset */ | |
1520 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1521 | if (IS_ERR(skb)) { | |
1522 | ret = PTR_ERR(skb); | |
1523 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1524 | goto done; | |
1525 | } | |
1526 | kfree_skb(skb); | |
1527 | ||
1528 | /* Read Local Version Info */ | |
1529 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1530 | HCI_INIT_TIMEOUT); | |
1531 | if (IS_ERR(skb)) { | |
1532 | ret = PTR_ERR(skb); | |
1533 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
1534 | hdev->name, ret); | |
1535 | goto done; | |
1536 | } | |
1537 | ||
1538 | if (skb->len != sizeof(*ver)) { | |
1539 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
1540 | hdev->name); | |
1541 | kfree_skb(skb); | |
1542 | ret = -EIO; | |
1543 | goto done; | |
1544 | } | |
1545 | ||
1546 | ver = (struct hci_rp_read_local_version *) skb->data; | |
1547 | BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x " | |
1548 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1549 | ver->lmp_ver, ver->lmp_subver); | |
1550 | kfree_skb(skb); | |
1551 | ||
1552 | /* Start Download */ | |
1553 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); | |
1554 | if (IS_ERR(skb)) { | |
1555 | ret = PTR_ERR(skb); | |
1556 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", | |
1557 | hdev->name, ret); | |
1558 | goto reset_fw; | |
1559 | } | |
1560 | kfree_skb(skb); | |
1561 | ||
1562 | /* 50 msec delay after Download Minidrv completes */ | |
1563 | msleep(50); | |
1564 | ||
1565 | fw_ptr = fw->data; | |
1566 | fw_size = fw->size; | |
1567 | ||
1568 | while (fw_size >= sizeof(*cmd)) { | |
1569 | cmd = (struct hci_command_hdr *) fw_ptr; | |
1570 | fw_ptr += sizeof(*cmd); | |
1571 | fw_size -= sizeof(*cmd); | |
1572 | ||
1573 | if (fw_size < cmd->plen) { | |
1574 | BT_ERR("%s: BCM: patch %s is corrupted", | |
1575 | hdev->name, fw_name); | |
1576 | ret = -EINVAL; | |
1577 | goto reset_fw; | |
1578 | } | |
1579 | ||
1580 | cmd_param = fw_ptr; | |
1581 | fw_ptr += cmd->plen; | |
1582 | fw_size -= cmd->plen; | |
1583 | ||
1584 | opcode = le16_to_cpu(cmd->opcode); | |
1585 | ||
1586 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, | |
1587 | HCI_INIT_TIMEOUT); | |
1588 | if (IS_ERR(skb)) { | |
1589 | ret = PTR_ERR(skb); | |
1590 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", | |
1591 | hdev->name, opcode, ret); | |
1592 | goto reset_fw; | |
1593 | } | |
1594 | kfree_skb(skb); | |
1595 | } | |
1596 | ||
1597 | /* 250 msec delay after Launch Ram completes */ | |
1598 | msleep(250); | |
1599 | ||
1600 | reset_fw: | |
1601 | /* Reset */ | |
1602 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1603 | if (IS_ERR(skb)) { | |
1604 | ret = PTR_ERR(skb); | |
1605 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1606 | goto done; | |
1607 | } | |
1608 | kfree_skb(skb); | |
1609 | ||
1610 | /* Read Local Version Info */ | |
1611 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1612 | HCI_INIT_TIMEOUT); | |
1613 | if (IS_ERR(skb)) { | |
1614 | ret = PTR_ERR(skb); | |
1615 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
1616 | hdev->name, ret); | |
1617 | goto done; | |
1618 | } | |
1619 | ||
1620 | if (skb->len != sizeof(*ver)) { | |
1621 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
1622 | hdev->name); | |
1623 | kfree_skb(skb); | |
1624 | ret = -EIO; | |
1625 | goto done; | |
1626 | } | |
1627 | ||
1628 | ver = (struct hci_rp_read_local_version *) skb->data; | |
1629 | BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x " | |
1630 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1631 | ver->lmp_ver, ver->lmp_subver); | |
1632 | kfree_skb(skb); | |
1633 | ||
c8abb73f MH |
1634 | /* Read BD Address */ |
1635 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1636 | HCI_INIT_TIMEOUT); | |
1637 | if (IS_ERR(skb)) { | |
1638 | ret = PTR_ERR(skb); | |
1639 | BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)", | |
1640 | hdev->name, ret); | |
1641 | goto done; | |
1642 | } | |
1643 | ||
1644 | if (skb->len != sizeof(*bda)) { | |
1645 | BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch", | |
1646 | hdev->name); | |
1647 | kfree_skb(skb); | |
1648 | ret = -EIO; | |
1649 | goto done; | |
1650 | } | |
1651 | ||
1652 | bda = (struct hci_rp_read_bd_addr *) skb->data; | |
1653 | if (bda->status) { | |
1654 | BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)", | |
1655 | hdev->name, bda->status); | |
1656 | kfree_skb(skb); | |
1657 | ret = -bt_to_errno(bda->status); | |
1658 | goto done; | |
1659 | } | |
1660 | ||
1661 | /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller | |
1662 | * with no configured address. | |
1663 | */ | |
849e5086 | 1664 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) { |
c8abb73f MH |
1665 | BT_INFO("%s: BCM: using default device address (%pMR)", |
1666 | hdev->name, &bda->bdaddr); | |
849e5086 MH |
1667 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1668 | } | |
c8abb73f MH |
1669 | |
1670 | kfree_skb(skb); | |
1671 | ||
10d4c673 PG |
1672 | done: |
1673 | release_firmware(fw); | |
1674 | ||
1675 | return ret; | |
1676 | } | |
1677 | ||
abbaf50e MH |
1678 | static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1679 | { | |
1680 | struct sk_buff *skb; | |
1681 | long ret; | |
1682 | ||
1683 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1684 | if (IS_ERR(skb)) { | |
1685 | ret = PTR_ERR(skb); | |
1686 | BT_ERR("%s: BCM: Change address command failed (%ld)", | |
1687 | hdev->name, ret); | |
1688 | return ret; | |
1689 | } | |
1690 | kfree_skb(skb); | |
1691 | ||
1692 | return 0; | |
1693 | } | |
1694 | ||
5e23b923 MH |
1695 | static int btusb_probe(struct usb_interface *intf, |
1696 | const struct usb_device_id *id) | |
1697 | { | |
1698 | struct usb_endpoint_descriptor *ep_desc; | |
1699 | struct btusb_data *data; | |
1700 | struct hci_dev *hdev; | |
1701 | int i, err; | |
1702 | ||
1703 | BT_DBG("intf %p id %p", intf, id); | |
1704 | ||
cfeb4145 | 1705 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1706 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1707 | return -ENODEV; | |
1708 | ||
1709 | if (!id->driver_info) { | |
1710 | const struct usb_device_id *match; | |
1711 | match = usb_match_id(intf, blacklist_table); | |
1712 | if (match) | |
1713 | id = match; | |
1714 | } | |
1715 | ||
cfeb4145 MH |
1716 | if (id->driver_info == BTUSB_IGNORE) |
1717 | return -ENODEV; | |
1718 | ||
2d25f8b4 SL |
1719 | if (id->driver_info & BTUSB_ATH3012) { |
1720 | struct usb_device *udev = interface_to_usbdev(intf); | |
1721 | ||
1722 | /* Old firmware would otherwise let ath3k driver load | |
1723 | * patch and sysconfig files */ | |
1724 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
1725 | return -ENODEV; | |
1726 | } | |
1727 | ||
98921dbd | 1728 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
1729 | if (!data) |
1730 | return -ENOMEM; | |
1731 | ||
1732 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1733 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1734 | ||
1735 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1736 | data->intr_ep = ep_desc; | |
1737 | continue; | |
1738 | } | |
1739 | ||
1740 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1741 | data->bulk_tx_ep = ep_desc; | |
1742 | continue; | |
1743 | } | |
1744 | ||
1745 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1746 | data->bulk_rx_ep = ep_desc; | |
1747 | continue; | |
1748 | } | |
1749 | } | |
1750 | ||
98921dbd | 1751 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 1752 | return -ENODEV; |
5e23b923 | 1753 | |
7a9d4020 MH |
1754 | data->cmdreq_type = USB_TYPE_CLASS; |
1755 | ||
5e23b923 | 1756 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 1757 | data->intf = intf; |
5e23b923 MH |
1758 | |
1759 | spin_lock_init(&data->lock); | |
1760 | ||
1761 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
1762 | INIT_WORK(&data->waker, btusb_waker); |
1763 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
1764 | |
1765 | init_usb_anchor(&data->tx_anchor); | |
1766 | init_usb_anchor(&data->intr_anchor); | |
1767 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1768 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1769 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1770 | |
1771 | hdev = hci_alloc_dev(); | |
98921dbd | 1772 | if (!hdev) |
5e23b923 | 1773 | return -ENOMEM; |
5e23b923 | 1774 | |
c13854ce | 1775 | hdev->bus = HCI_USB; |
155961e8 | 1776 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1777 | |
1778 | data->hdev = hdev; | |
1779 | ||
1780 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1781 | ||
9f8f962c MH |
1782 | hdev->open = btusb_open; |
1783 | hdev->close = btusb_close; | |
1784 | hdev->flush = btusb_flush; | |
1785 | hdev->send = btusb_send_frame; | |
1786 | hdev->notify = btusb_notify; | |
1787 | ||
1788 | if (id->driver_info & BTUSB_BCM92035) | |
1789 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 1790 | |
abbaf50e | 1791 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
10d4c673 | 1792 | hdev->setup = btusb_setup_bcm_patchram; |
abbaf50e MH |
1793 | hdev->set_bdaddr = btusb_set_bdaddr_bcm; |
1794 | } | |
10d4c673 | 1795 | |
cb8d6597 | 1796 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 1797 | hdev->setup = btusb_setup_intel; |
cb8d6597 MH |
1798 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
1799 | } | |
dffd30ee | 1800 | |
ae8df494 AK |
1801 | if (id->driver_info & BTUSB_MARVELL) |
1802 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
1803 | ||
40df783d MH |
1804 | if (id->driver_info & BTUSB_INTEL_BOOT) |
1805 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
1806 | ||
7a9d4020 | 1807 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1808 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1809 | ||
7a9d4020 | 1810 | if (!reset) |
a6c511c6 | 1811 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1812 | |
1813 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1814 | if (!disable_scofix) | |
1815 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1816 | } | |
1817 | ||
9bfa35fe MH |
1818 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1819 | data->isoc = NULL; | |
1820 | ||
7a9d4020 MH |
1821 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1822 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1823 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1824 | } |
1825 | ||
1826 | if (id->driver_info & BTUSB_CSR) { | |
1827 | struct usb_device *udev = data->udev; | |
81cac64b | 1828 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
1829 | |
1830 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 1831 | if (bcdDevice < 0x117) |
a6c511c6 | 1832 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
1833 | |
1834 | /* Fake CSR devices with broken commands */ | |
1835 | if (bcdDevice <= 0x100) | |
1836 | hdev->setup = btusb_setup_csr; | |
7a9d4020 MH |
1837 | } |
1838 | ||
cfeb4145 | 1839 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1840 | struct usb_device *udev = data->udev; |
cfeb4145 | 1841 | |
7a9d4020 | 1842 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1843 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1844 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
1845 | } | |
1846 | ||
3a5ef20c MH |
1847 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
1848 | /* A bug in the bootloader causes that interrupt interface is | |
1849 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
1850 | */ | |
1851 | err = usb_set_interface(data->udev, 0, 0); | |
1852 | if (err < 0) { | |
1853 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
1854 | hci_free_dev(hdev); | |
1855 | return err; | |
1856 | } | |
1857 | } | |
1858 | ||
9bfa35fe MH |
1859 | if (data->isoc) { |
1860 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1861 | data->isoc, data); |
9bfa35fe MH |
1862 | if (err < 0) { |
1863 | hci_free_dev(hdev); | |
9bfa35fe MH |
1864 | return err; |
1865 | } | |
1866 | } | |
1867 | ||
5e23b923 MH |
1868 | err = hci_register_dev(hdev); |
1869 | if (err < 0) { | |
1870 | hci_free_dev(hdev); | |
5e23b923 MH |
1871 | return err; |
1872 | } | |
1873 | ||
1874 | usb_set_intfdata(intf, data); | |
1875 | ||
1876 | return 0; | |
1877 | } | |
1878 | ||
1879 | static void btusb_disconnect(struct usb_interface *intf) | |
1880 | { | |
1881 | struct btusb_data *data = usb_get_intfdata(intf); | |
1882 | struct hci_dev *hdev; | |
1883 | ||
1884 | BT_DBG("intf %p", intf); | |
1885 | ||
1886 | if (!data) | |
1887 | return; | |
1888 | ||
1889 | hdev = data->hdev; | |
5fbcd260 MH |
1890 | usb_set_intfdata(data->intf, NULL); |
1891 | ||
1892 | if (data->isoc) | |
1893 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1894 | |
1895 | hci_unregister_dev(hdev); | |
1896 | ||
5fbcd260 MH |
1897 | if (intf == data->isoc) |
1898 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1899 | else if (data->isoc) | |
1900 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1901 | ||
5e23b923 MH |
1902 | hci_free_dev(hdev); |
1903 | } | |
1904 | ||
7bee549e | 1905 | #ifdef CONFIG_PM |
6a88adf2 MH |
1906 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1907 | { | |
1908 | struct btusb_data *data = usb_get_intfdata(intf); | |
1909 | ||
1910 | BT_DBG("intf %p", intf); | |
1911 | ||
1912 | if (data->suspend_count++) | |
1913 | return 0; | |
1914 | ||
7bee549e | 1915 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1916 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1917 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1918 | spin_unlock_irq(&data->txlock); | |
1919 | } else { | |
1920 | spin_unlock_irq(&data->txlock); | |
1921 | data->suspend_count--; | |
1922 | return -EBUSY; | |
1923 | } | |
1924 | ||
6a88adf2 MH |
1925 | cancel_work_sync(&data->work); |
1926 | ||
7bee549e | 1927 | btusb_stop_traffic(data); |
6a88adf2 MH |
1928 | usb_kill_anchored_urbs(&data->tx_anchor); |
1929 | ||
6a88adf2 MH |
1930 | return 0; |
1931 | } | |
1932 | ||
7bee549e ON |
1933 | static void play_deferred(struct btusb_data *data) |
1934 | { | |
1935 | struct urb *urb; | |
1936 | int err; | |
1937 | ||
1938 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1939 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1940 | if (err < 0) | |
1941 | break; | |
1942 | ||
1943 | data->tx_in_flight++; | |
1944 | } | |
1945 | usb_scuttle_anchored_urbs(&data->deferred); | |
1946 | } | |
1947 | ||
6a88adf2 MH |
1948 | static int btusb_resume(struct usb_interface *intf) |
1949 | { | |
1950 | struct btusb_data *data = usb_get_intfdata(intf); | |
1951 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1952 | int err = 0; |
6a88adf2 MH |
1953 | |
1954 | BT_DBG("intf %p", intf); | |
1955 | ||
1956 | if (--data->suspend_count) | |
1957 | return 0; | |
1958 | ||
1959 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1960 | goto done; |
6a88adf2 MH |
1961 | |
1962 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1963 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1964 | if (err < 0) { | |
1965 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1966 | goto failed; |
6a88adf2 MH |
1967 | } |
1968 | } | |
1969 | ||
1970 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1971 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1972 | if (err < 0) { | |
6a88adf2 | 1973 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1974 | goto failed; |
1975 | } | |
1976 | ||
1977 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1978 | } |
1979 | ||
1980 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1981 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1982 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1983 | else | |
1984 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1985 | } | |
1986 | ||
7bee549e ON |
1987 | spin_lock_irq(&data->txlock); |
1988 | play_deferred(data); | |
1989 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1990 | spin_unlock_irq(&data->txlock); | |
1991 | schedule_work(&data->work); | |
1992 | ||
6a88adf2 | 1993 | return 0; |
7bee549e ON |
1994 | |
1995 | failed: | |
1996 | usb_scuttle_anchored_urbs(&data->deferred); | |
1997 | done: | |
1998 | spin_lock_irq(&data->txlock); | |
1999 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2000 | spin_unlock_irq(&data->txlock); | |
2001 | ||
2002 | return err; | |
6a88adf2 | 2003 | } |
7bee549e | 2004 | #endif |
6a88adf2 | 2005 | |
5e23b923 MH |
2006 | static struct usb_driver btusb_driver = { |
2007 | .name = "btusb", | |
2008 | .probe = btusb_probe, | |
2009 | .disconnect = btusb_disconnect, | |
7bee549e | 2010 | #ifdef CONFIG_PM |
6a88adf2 MH |
2011 | .suspend = btusb_suspend, |
2012 | .resume = btusb_resume, | |
7bee549e | 2013 | #endif |
5e23b923 | 2014 | .id_table = btusb_table, |
7bee549e | 2015 | .supports_autosuspend = 1, |
e1f12eb6 | 2016 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
2017 | }; |
2018 | ||
93f1508c | 2019 | module_usb_driver(btusb_driver); |
5e23b923 | 2020 | |
cfeb4145 MH |
2021 | module_param(disable_scofix, bool, 0644); |
2022 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
2023 | ||
2024 | module_param(force_scofix, bool, 0644); | |
2025 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
2026 | ||
2027 | module_param(reset, bool, 0644); | |
2028 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
2029 | ||
5e23b923 MH |
2030 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
2031 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
2032 | MODULE_VERSION(VERSION); | |
2033 | MODULE_LICENSE("GPL"); |