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Commit | Line | Data |
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5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 25 | #include <linux/usb.h> |
dffd30ee | 26 | #include <linux/firmware.h> |
5e23b923 MH |
27 | |
28 | #include <net/bluetooth/bluetooth.h> | |
29 | #include <net/bluetooth/hci_core.h> | |
30 | ||
7bee549e | 31 | #define VERSION "0.6" |
cfeb4145 | 32 | |
90ab5ee9 RR |
33 | static bool ignore_dga; |
34 | static bool ignore_csr; | |
35 | static bool ignore_sniffer; | |
36 | static bool disable_scofix; | |
37 | static bool force_scofix; | |
7a9d4020 | 38 | |
90ab5ee9 | 39 | static bool reset = 1; |
cfeb4145 MH |
40 | |
41 | static struct usb_driver btusb_driver; | |
42 | ||
43 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
44 | #define BTUSB_DIGIANSWER 0x02 |
45 | #define BTUSB_CSR 0x04 | |
46 | #define BTUSB_SNIFFER 0x08 | |
47 | #define BTUSB_BCM92035 0x10 | |
48 | #define BTUSB_BROKEN_ISOC 0x20 | |
49 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 50 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 51 | #define BTUSB_INTEL 0x100 |
10d4c673 | 52 | #define BTUSB_BCM_PATCHRAM 0x200 |
5e23b923 | 53 | |
54265202 | 54 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
55 | /* Generic Bluetooth USB device */ |
56 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
57 | ||
1fa6535f HR |
58 | /* Apple-specific (Broadcom) devices */ |
59 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, | |
60 | ||
178c059e CYC |
61 | /* MediaTek MT76x0E */ |
62 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
63 | ||
c510eae3 | 64 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 65 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 66 | |
3cd01976 NI |
67 | /* Apple MacBookPro 7,1 */ |
68 | { USB_DEVICE(0x05ac, 0x8213) }, | |
69 | ||
0a79f674 CL |
70 | /* Apple iMac11,1 */ |
71 | { USB_DEVICE(0x05ac, 0x8215) }, | |
72 | ||
9c047157 NI |
73 | /* Apple MacBookPro6,2 */ |
74 | { USB_DEVICE(0x05ac, 0x8218) }, | |
75 | ||
3e3ede7d EH |
76 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
77 | { USB_DEVICE(0x05ac, 0x821b) }, | |
78 | ||
a63b723d PAVM |
79 | /* Apple MacBookAir4,1 */ |
80 | { USB_DEVICE(0x05ac, 0x821f) }, | |
81 | ||
88d377b6 MAP |
82 | /* Apple MacBookPro8,2 */ |
83 | { USB_DEVICE(0x05ac, 0x821a) }, | |
84 | ||
f78b6826 JK |
85 | /* Apple MacMini5,1 */ |
86 | { USB_DEVICE(0x05ac, 0x8281) }, | |
87 | ||
cfeb4145 MH |
88 | /* AVM BlueFRITZ! USB v2.0 */ |
89 | { USB_DEVICE(0x057c, 0x3800) }, | |
90 | ||
91 | /* Bluetooth Ultraport Module from IBM */ | |
92 | { USB_DEVICE(0x04bf, 0x030a) }, | |
93 | ||
94 | /* ALPS Modules with non-standard id */ | |
95 | { USB_DEVICE(0x044e, 0x3001) }, | |
96 | { USB_DEVICE(0x044e, 0x3002) }, | |
97 | ||
98 | /* Ericsson with non-standard id */ | |
99 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
100 | ||
101 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 102 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 103 | |
d13431ca | 104 | /* Broadcom BCM20702A0 */ |
0b880062 AS |
105 | { USB_DEVICE(0x0489, 0xe042) }, |
106 | { USB_DEVICE(0x04ca, 0x2003) }, | |
1ee3ff61 | 107 | { USB_DEVICE(0x0b05, 0x17b5) }, |
38a172be | 108 | { USB_DEVICE(0x0b05, 0x17cb) }, |
d13431ca WJS |
109 | { USB_DEVICE(0x413c, 0x8197) }, |
110 | ||
98514036 | 111 | /* Foxconn - Hon Hai */ |
ee66401b | 112 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01) }, |
98514036 | 113 | |
0b880062 | 114 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
115 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
116 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 117 | |
5bcecf32 KB |
118 | /* Belkin F8065bf - Broadcom based */ |
119 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, | |
120 | ||
9113bfd8 JK |
121 | /* IMC Networks - Broadcom based */ |
122 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, | |
123 | ||
5e23b923 MH |
124 | { } /* Terminating entry */ |
125 | }; | |
126 | ||
127 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
128 | ||
54265202 | 129 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
130 | /* CSR BlueCore devices */ |
131 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
132 | ||
133 | /* Broadcom BCM2033 without firmware */ | |
134 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
135 | ||
be93112a | 136 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
137 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
138 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
139 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, | |
be93112a | 140 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 141 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 142 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 143 | |
509e7861 CYC |
144 | /* Atheros AR9285 Malbec with sflash firmware */ |
145 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
146 | ||
d9f51b51 | 147 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
148 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
149 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
150 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
151 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
152 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
153 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, | |
154 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
155 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
156 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 157 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
158 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
159 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
160 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, | |
161 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
a735f9e2 | 162 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 163 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 164 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
ca58e594 | 165 | { USB_DEVICE(0x0cf3, 0x3005), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 166 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 167 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 168 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 169 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 170 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 171 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 172 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 173 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 174 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
175 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
176 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 177 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 178 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 179 | |
e9036e33 CYC |
180 | /* Atheros AR5BBU12 with sflash firmware */ |
181 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
182 | ||
85d59726 | 183 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 184 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 185 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 186 | |
cfeb4145 | 187 | /* Broadcom BCM2035 */ |
7a9d4020 | 188 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
189 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
190 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
191 | |
192 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
193 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
194 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 195 | |
cfeb4145 | 196 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
197 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
198 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
199 | |
200 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 201 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
202 | |
203 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 204 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 205 | |
5ddd4a60 | 206 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 207 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 208 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 209 | |
7a9d4020 MH |
210 | /* Belkin F8T012 and F8T013 devices */ |
211 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
212 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 213 | |
5ddd4a60 MH |
214 | /* Asus WL-BTD202 device */ |
215 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
216 | ||
217 | /* Kensington Bluetooth USB adapter */ | |
218 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
219 | ||
cfeb4145 MH |
220 | /* RTX Telecom based adapters with buggy SCO support */ |
221 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
222 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
223 | ||
224 | /* CONWISE Technology based adapters with buggy SCO support */ | |
225 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
226 | ||
cfeb4145 MH |
227 | /* Digianswer devices */ |
228 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
229 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
230 | ||
231 | /* CSR BlueCore Bluetooth Sniffer */ | |
232 | { USB_DEVICE(0x0a12, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
233 | ||
234 | /* Frontline ComProbe Bluetooth Sniffer */ | |
235 | { USB_DEVICE(0x16d3, 0x0002), .driver_info = BTUSB_SNIFFER }, | |
236 | ||
dffd30ee THJA |
237 | /* Intel Bluetooth device */ |
238 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
ef4e5e4a | 239 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
dffd30ee | 240 | |
5e23b923 MH |
241 | { } /* Terminating entry */ |
242 | }; | |
243 | ||
9bfa35fe MH |
244 | #define BTUSB_MAX_ISOC_FRAMES 10 |
245 | ||
5e23b923 MH |
246 | #define BTUSB_INTR_RUNNING 0 |
247 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 248 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 249 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 250 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
251 | |
252 | struct btusb_data { | |
253 | struct hci_dev *hdev; | |
254 | struct usb_device *udev; | |
5fbcd260 | 255 | struct usb_interface *intf; |
9bfa35fe | 256 | struct usb_interface *isoc; |
5e23b923 MH |
257 | |
258 | spinlock_t lock; | |
259 | ||
260 | unsigned long flags; | |
261 | ||
262 | struct work_struct work; | |
7bee549e | 263 | struct work_struct waker; |
5e23b923 MH |
264 | |
265 | struct usb_anchor tx_anchor; | |
266 | struct usb_anchor intr_anchor; | |
267 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 268 | struct usb_anchor isoc_anchor; |
7bee549e ON |
269 | struct usb_anchor deferred; |
270 | int tx_in_flight; | |
271 | spinlock_t txlock; | |
5e23b923 MH |
272 | |
273 | struct usb_endpoint_descriptor *intr_ep; | |
274 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
275 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
276 | struct usb_endpoint_descriptor *isoc_tx_ep; |
277 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
278 | ||
7a9d4020 MH |
279 | __u8 cmdreq_type; |
280 | ||
43c2e57f | 281 | unsigned int sco_num; |
9bfa35fe | 282 | int isoc_altsetting; |
6a88adf2 | 283 | int suspend_count; |
5e23b923 MH |
284 | }; |
285 | ||
7bee549e ON |
286 | static int inc_tx(struct btusb_data *data) |
287 | { | |
288 | unsigned long flags; | |
289 | int rv; | |
290 | ||
291 | spin_lock_irqsave(&data->txlock, flags); | |
292 | rv = test_bit(BTUSB_SUSPENDING, &data->flags); | |
293 | if (!rv) | |
294 | data->tx_in_flight++; | |
295 | spin_unlock_irqrestore(&data->txlock, flags); | |
296 | ||
297 | return rv; | |
298 | } | |
299 | ||
5e23b923 MH |
300 | static void btusb_intr_complete(struct urb *urb) |
301 | { | |
302 | struct hci_dev *hdev = urb->context; | |
155961e8 | 303 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
304 | int err; |
305 | ||
306 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
307 | urb, urb->status, urb->actual_length); | |
308 | ||
309 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
310 | return; | |
311 | ||
312 | if (urb->status == 0) { | |
9bfa35fe MH |
313 | hdev->stat.byte_rx += urb->actual_length; |
314 | ||
5e23b923 MH |
315 | if (hci_recv_fragment(hdev, HCI_EVENT_PKT, |
316 | urb->transfer_buffer, | |
317 | urb->actual_length) < 0) { | |
318 | BT_ERR("%s corrupted event packet", hdev->name); | |
319 | hdev->stat.err_rx++; | |
320 | } | |
321 | } | |
322 | ||
323 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
324 | return; | |
325 | ||
7bee549e | 326 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
327 | usb_anchor_urb(urb, &data->intr_anchor); |
328 | ||
329 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
330 | if (err < 0) { | |
4935f1c1 PB |
331 | /* -EPERM: urb is being killed; |
332 | * -ENODEV: device got disconnected */ | |
333 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 334 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
335 | hdev->name, urb, -err); |
336 | usb_unanchor_urb(urb); | |
337 | } | |
338 | } | |
339 | ||
2eda66f4 | 340 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 341 | { |
155961e8 | 342 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
343 | struct urb *urb; |
344 | unsigned char *buf; | |
345 | unsigned int pipe; | |
346 | int err, size; | |
347 | ||
348 | BT_DBG("%s", hdev->name); | |
349 | ||
9bfa35fe MH |
350 | if (!data->intr_ep) |
351 | return -ENODEV; | |
352 | ||
2eda66f4 | 353 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
354 | if (!urb) |
355 | return -ENOMEM; | |
356 | ||
357 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
358 | ||
2eda66f4 | 359 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
360 | if (!buf) { |
361 | usb_free_urb(urb); | |
362 | return -ENOMEM; | |
363 | } | |
364 | ||
365 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
366 | ||
367 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
368 | btusb_intr_complete, hdev, | |
369 | data->intr_ep->bInterval); | |
370 | ||
371 | urb->transfer_flags |= URB_FREE_BUFFER; | |
372 | ||
373 | usb_anchor_urb(urb, &data->intr_anchor); | |
374 | ||
2eda66f4 | 375 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 376 | if (err < 0) { |
d4b8d1c9 PB |
377 | if (err != -EPERM && err != -ENODEV) |
378 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
379 | hdev->name, urb, -err); |
380 | usb_unanchor_urb(urb); | |
5e23b923 MH |
381 | } |
382 | ||
383 | usb_free_urb(urb); | |
384 | ||
385 | return err; | |
386 | } | |
387 | ||
388 | static void btusb_bulk_complete(struct urb *urb) | |
389 | { | |
390 | struct hci_dev *hdev = urb->context; | |
155961e8 | 391 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
392 | int err; |
393 | ||
394 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
395 | urb, urb->status, urb->actual_length); | |
396 | ||
397 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
398 | return; | |
399 | ||
400 | if (urb->status == 0) { | |
9bfa35fe MH |
401 | hdev->stat.byte_rx += urb->actual_length; |
402 | ||
5e23b923 MH |
403 | if (hci_recv_fragment(hdev, HCI_ACLDATA_PKT, |
404 | urb->transfer_buffer, | |
405 | urb->actual_length) < 0) { | |
406 | BT_ERR("%s corrupted ACL packet", hdev->name); | |
407 | hdev->stat.err_rx++; | |
408 | } | |
409 | } | |
410 | ||
411 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
412 | return; | |
413 | ||
414 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 415 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
416 | |
417 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
418 | if (err < 0) { | |
4935f1c1 PB |
419 | /* -EPERM: urb is being killed; |
420 | * -ENODEV: device got disconnected */ | |
421 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 422 | BT_ERR("%s urb %p failed to resubmit (%d)", |
5e23b923 MH |
423 | hdev->name, urb, -err); |
424 | usb_unanchor_urb(urb); | |
425 | } | |
426 | } | |
427 | ||
2eda66f4 | 428 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 429 | { |
155961e8 | 430 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
431 | struct urb *urb; |
432 | unsigned char *buf; | |
433 | unsigned int pipe; | |
290ba200 | 434 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
435 | |
436 | BT_DBG("%s", hdev->name); | |
437 | ||
9bfa35fe MH |
438 | if (!data->bulk_rx_ep) |
439 | return -ENODEV; | |
440 | ||
2eda66f4 | 441 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
442 | if (!urb) |
443 | return -ENOMEM; | |
444 | ||
2eda66f4 | 445 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
446 | if (!buf) { |
447 | usb_free_urb(urb); | |
448 | return -ENOMEM; | |
449 | } | |
450 | ||
451 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
452 | ||
453 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
454 | buf, size, btusb_bulk_complete, hdev); | |
455 | ||
456 | urb->transfer_flags |= URB_FREE_BUFFER; | |
457 | ||
7bee549e | 458 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
459 | usb_anchor_urb(urb, &data->bulk_anchor); |
460 | ||
2eda66f4 | 461 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 462 | if (err < 0) { |
d4b8d1c9 PB |
463 | if (err != -EPERM && err != -ENODEV) |
464 | BT_ERR("%s urb %p submission failed (%d)", | |
5e23b923 MH |
465 | hdev->name, urb, -err); |
466 | usb_unanchor_urb(urb); | |
5e23b923 MH |
467 | } |
468 | ||
469 | usb_free_urb(urb); | |
470 | ||
471 | return err; | |
472 | } | |
473 | ||
9bfa35fe MH |
474 | static void btusb_isoc_complete(struct urb *urb) |
475 | { | |
476 | struct hci_dev *hdev = urb->context; | |
155961e8 | 477 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
478 | int i, err; |
479 | ||
480 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
481 | urb, urb->status, urb->actual_length); | |
482 | ||
483 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
484 | return; | |
485 | ||
486 | if (urb->status == 0) { | |
487 | for (i = 0; i < urb->number_of_packets; i++) { | |
488 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
489 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
490 | ||
491 | if (urb->iso_frame_desc[i].status) | |
492 | continue; | |
493 | ||
494 | hdev->stat.byte_rx += length; | |
495 | ||
496 | if (hci_recv_fragment(hdev, HCI_SCODATA_PKT, | |
497 | urb->transfer_buffer + offset, | |
498 | length) < 0) { | |
499 | BT_ERR("%s corrupted SCO packet", hdev->name); | |
500 | hdev->stat.err_rx++; | |
501 | } | |
502 | } | |
503 | } | |
504 | ||
505 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
506 | return; | |
507 | ||
508 | usb_anchor_urb(urb, &data->isoc_anchor); | |
509 | ||
510 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
511 | if (err < 0) { | |
4935f1c1 PB |
512 | /* -EPERM: urb is being killed; |
513 | * -ENODEV: device got disconnected */ | |
514 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 515 | BT_ERR("%s urb %p failed to resubmit (%d)", |
9bfa35fe MH |
516 | hdev->name, urb, -err); |
517 | usb_unanchor_urb(urb); | |
518 | } | |
519 | } | |
520 | ||
42b16b3f | 521 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
522 | { |
523 | int i, offset = 0; | |
524 | ||
525 | BT_DBG("len %d mtu %d", len, mtu); | |
526 | ||
527 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
528 | i++, offset += mtu, len -= mtu) { | |
529 | urb->iso_frame_desc[i].offset = offset; | |
530 | urb->iso_frame_desc[i].length = mtu; | |
531 | } | |
532 | ||
533 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
534 | urb->iso_frame_desc[i].offset = offset; | |
535 | urb->iso_frame_desc[i].length = len; | |
536 | i++; | |
537 | } | |
538 | ||
539 | urb->number_of_packets = i; | |
540 | } | |
541 | ||
2eda66f4 | 542 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 543 | { |
155961e8 | 544 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
545 | struct urb *urb; |
546 | unsigned char *buf; | |
547 | unsigned int pipe; | |
548 | int err, size; | |
549 | ||
550 | BT_DBG("%s", hdev->name); | |
551 | ||
552 | if (!data->isoc_rx_ep) | |
553 | return -ENODEV; | |
554 | ||
2eda66f4 | 555 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
556 | if (!urb) |
557 | return -ENOMEM; | |
558 | ||
559 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
560 | BTUSB_MAX_ISOC_FRAMES; | |
561 | ||
2eda66f4 | 562 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
563 | if (!buf) { |
564 | usb_free_urb(urb); | |
565 | return -ENOMEM; | |
566 | } | |
567 | ||
568 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
569 | ||
fa0fb93f BZ |
570 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
571 | hdev, data->isoc_rx_ep->bInterval); | |
9bfa35fe MH |
572 | |
573 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; | |
9bfa35fe MH |
574 | |
575 | __fill_isoc_descriptor(urb, size, | |
576 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); | |
577 | ||
578 | usb_anchor_urb(urb, &data->isoc_anchor); | |
579 | ||
2eda66f4 | 580 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 581 | if (err < 0) { |
d4b8d1c9 PB |
582 | if (err != -EPERM && err != -ENODEV) |
583 | BT_ERR("%s urb %p submission failed (%d)", | |
9bfa35fe MH |
584 | hdev->name, urb, -err); |
585 | usb_unanchor_urb(urb); | |
9bfa35fe MH |
586 | } |
587 | ||
588 | usb_free_urb(urb); | |
589 | ||
590 | return err; | |
591 | } | |
592 | ||
5e23b923 | 593 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
594 | { |
595 | struct sk_buff *skb = urb->context; | |
596 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
155961e8 | 597 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e ON |
598 | |
599 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
600 | urb, urb->status, urb->actual_length); | |
601 | ||
602 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
603 | goto done; | |
604 | ||
605 | if (!urb->status) | |
606 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
607 | else | |
608 | hdev->stat.err_tx++; | |
609 | ||
610 | done: | |
611 | spin_lock(&data->txlock); | |
612 | data->tx_in_flight--; | |
613 | spin_unlock(&data->txlock); | |
614 | ||
615 | kfree(urb->setup_packet); | |
616 | ||
617 | kfree_skb(skb); | |
618 | } | |
619 | ||
620 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
621 | { |
622 | struct sk_buff *skb = urb->context; | |
623 | struct hci_dev *hdev = (struct hci_dev *) skb->dev; | |
624 | ||
625 | BT_DBG("%s urb %p status %d count %d", hdev->name, | |
626 | urb, urb->status, urb->actual_length); | |
627 | ||
628 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
629 | goto done; | |
630 | ||
631 | if (!urb->status) | |
632 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
633 | else | |
634 | hdev->stat.err_tx++; | |
635 | ||
636 | done: | |
637 | kfree(urb->setup_packet); | |
638 | ||
639 | kfree_skb(skb); | |
640 | } | |
641 | ||
642 | static int btusb_open(struct hci_dev *hdev) | |
643 | { | |
155961e8 | 644 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
645 | int err; |
646 | ||
647 | BT_DBG("%s", hdev->name); | |
648 | ||
7bee549e ON |
649 | err = usb_autopm_get_interface(data->intf); |
650 | if (err < 0) | |
651 | return err; | |
652 | ||
653 | data->intf->needs_remote_wakeup = 1; | |
654 | ||
5e23b923 | 655 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 656 | goto done; |
5e23b923 MH |
657 | |
658 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 659 | goto done; |
5e23b923 | 660 | |
2eda66f4 | 661 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
662 | if (err < 0) |
663 | goto failed; | |
664 | ||
665 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 666 | if (err < 0) { |
43c2e57f MH |
667 | usb_kill_anchored_urbs(&data->intr_anchor); |
668 | goto failed; | |
5e23b923 MH |
669 | } |
670 | ||
43c2e57f MH |
671 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
672 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
673 | ||
7bee549e ON |
674 | done: |
675 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
676 | return 0; |
677 | ||
678 | failed: | |
679 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
680 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 681 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
682 | return err; |
683 | } | |
684 | ||
7bee549e ON |
685 | static void btusb_stop_traffic(struct btusb_data *data) |
686 | { | |
687 | usb_kill_anchored_urbs(&data->intr_anchor); | |
688 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
689 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
690 | } | |
691 | ||
5e23b923 MH |
692 | static int btusb_close(struct hci_dev *hdev) |
693 | { | |
155961e8 | 694 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 695 | int err; |
5e23b923 MH |
696 | |
697 | BT_DBG("%s", hdev->name); | |
698 | ||
699 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
700 | return 0; | |
701 | ||
e8c3c3d2 | 702 | cancel_work_sync(&data->work); |
404291ac | 703 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 704 | |
9bfa35fe | 705 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 706 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 707 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
708 | |
709 | btusb_stop_traffic(data); | |
710 | err = usb_autopm_get_interface(data->intf); | |
711 | if (err < 0) | |
7b8e2c1d | 712 | goto failed; |
7bee549e ON |
713 | |
714 | data->intf->needs_remote_wakeup = 0; | |
715 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 716 | |
7b8e2c1d ON |
717 | failed: |
718 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
719 | return 0; |
720 | } | |
721 | ||
722 | static int btusb_flush(struct hci_dev *hdev) | |
723 | { | |
155961e8 | 724 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
725 | |
726 | BT_DBG("%s", hdev->name); | |
727 | ||
728 | usb_kill_anchored_urbs(&data->tx_anchor); | |
729 | ||
730 | return 0; | |
731 | } | |
732 | ||
7bd8f09f | 733 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 734 | { |
155961e8 | 735 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
736 | struct usb_ctrlrequest *dr; |
737 | struct urb *urb; | |
738 | unsigned int pipe; | |
739 | int err; | |
740 | ||
741 | BT_DBG("%s", hdev->name); | |
742 | ||
743 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
744 | return -EBUSY; | |
745 | ||
7bd8f09f MH |
746 | skb->dev = (void *) hdev; |
747 | ||
5e23b923 MH |
748 | switch (bt_cb(skb)->pkt_type) { |
749 | case HCI_COMMAND_PKT: | |
750 | urb = usb_alloc_urb(0, GFP_ATOMIC); | |
751 | if (!urb) | |
752 | return -ENOMEM; | |
753 | ||
754 | dr = kmalloc(sizeof(*dr), GFP_ATOMIC); | |
755 | if (!dr) { | |
756 | usb_free_urb(urb); | |
757 | return -ENOMEM; | |
758 | } | |
759 | ||
7a9d4020 | 760 | dr->bRequestType = data->cmdreq_type; |
5e23b923 MH |
761 | dr->bRequest = 0; |
762 | dr->wIndex = 0; | |
763 | dr->wValue = 0; | |
764 | dr->wLength = __cpu_to_le16(skb->len); | |
765 | ||
766 | pipe = usb_sndctrlpipe(data->udev, 0x00); | |
767 | ||
768 | usb_fill_control_urb(urb, data->udev, pipe, (void *) dr, | |
769 | skb->data, skb->len, btusb_tx_complete, skb); | |
770 | ||
771 | hdev->stat.cmd_tx++; | |
772 | break; | |
773 | ||
774 | case HCI_ACLDATA_PKT: | |
9fd481e0 | 775 | if (!data->bulk_tx_ep) |
9bfa35fe MH |
776 | return -ENODEV; |
777 | ||
5e23b923 MH |
778 | urb = usb_alloc_urb(0, GFP_ATOMIC); |
779 | if (!urb) | |
780 | return -ENOMEM; | |
781 | ||
782 | pipe = usb_sndbulkpipe(data->udev, | |
783 | data->bulk_tx_ep->bEndpointAddress); | |
784 | ||
785 | usb_fill_bulk_urb(urb, data->udev, pipe, | |
786 | skb->data, skb->len, btusb_tx_complete, skb); | |
787 | ||
788 | hdev->stat.acl_tx++; | |
789 | break; | |
790 | ||
791 | case HCI_SCODATA_PKT: | |
014f7bc7 | 792 | if (!data->isoc_tx_ep || hci_conn_num(hdev, SCO_LINK) < 1) |
9bfa35fe MH |
793 | return -ENODEV; |
794 | ||
795 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_ATOMIC); | |
796 | if (!urb) | |
797 | return -ENOMEM; | |
798 | ||
799 | pipe = usb_sndisocpipe(data->udev, | |
800 | data->isoc_tx_ep->bEndpointAddress); | |
801 | ||
03c2d0e8 GP |
802 | usb_fill_int_urb(urb, data->udev, pipe, |
803 | skb->data, skb->len, btusb_isoc_tx_complete, | |
804 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe MH |
805 | |
806 | urb->transfer_flags = URB_ISO_ASAP; | |
9bfa35fe MH |
807 | |
808 | __fill_isoc_descriptor(urb, skb->len, | |
809 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
810 | ||
5e23b923 | 811 | hdev->stat.sco_tx++; |
7bee549e | 812 | goto skip_waking; |
5e23b923 MH |
813 | |
814 | default: | |
815 | return -EILSEQ; | |
816 | } | |
817 | ||
7bee549e ON |
818 | err = inc_tx(data); |
819 | if (err) { | |
820 | usb_anchor_urb(urb, &data->deferred); | |
821 | schedule_work(&data->waker); | |
822 | err = 0; | |
823 | goto done; | |
824 | } | |
825 | ||
826 | skip_waking: | |
5e23b923 MH |
827 | usb_anchor_urb(urb, &data->tx_anchor); |
828 | ||
829 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
830 | if (err < 0) { | |
5a9b80e2 PB |
831 | if (err != -EPERM && err != -ENODEV) |
832 | BT_ERR("%s urb %p submission failed (%d)", | |
833 | hdev->name, urb, -err); | |
5e23b923 MH |
834 | kfree(urb->setup_packet); |
835 | usb_unanchor_urb(urb); | |
7bee549e ON |
836 | } else { |
837 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
838 | } |
839 | ||
7bee549e | 840 | done: |
54a8a79c | 841 | usb_free_urb(urb); |
5e23b923 MH |
842 | return err; |
843 | } | |
844 | ||
5e23b923 MH |
845 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
846 | { | |
155961e8 | 847 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
848 | |
849 | BT_DBG("%s evt %d", hdev->name, evt); | |
850 | ||
014f7bc7 MH |
851 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
852 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 853 | schedule_work(&data->work); |
a780efa8 | 854 | } |
5e23b923 MH |
855 | } |
856 | ||
42b16b3f | 857 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 858 | { |
155961e8 | 859 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
860 | struct usb_interface *intf = data->isoc; |
861 | struct usb_endpoint_descriptor *ep_desc; | |
862 | int i, err; | |
863 | ||
864 | if (!data->isoc) | |
865 | return -ENODEV; | |
866 | ||
867 | err = usb_set_interface(data->udev, 1, altsetting); | |
868 | if (err < 0) { | |
869 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
870 | return err; | |
871 | } | |
872 | ||
873 | data->isoc_altsetting = altsetting; | |
874 | ||
875 | data->isoc_tx_ep = NULL; | |
876 | data->isoc_rx_ep = NULL; | |
877 | ||
878 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
879 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
880 | ||
881 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
882 | data->isoc_tx_ep = ep_desc; | |
883 | continue; | |
884 | } | |
885 | ||
886 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
887 | data->isoc_rx_ep = ep_desc; | |
888 | continue; | |
889 | } | |
890 | } | |
891 | ||
892 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
893 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
894 | return -ENODEV; | |
895 | } | |
896 | ||
897 | return 0; | |
898 | } | |
899 | ||
5e23b923 MH |
900 | static void btusb_work(struct work_struct *work) |
901 | { | |
902 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
903 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 904 | int new_alts; |
7bee549e | 905 | int err; |
5e23b923 | 906 | |
014f7bc7 | 907 | if (data->sco_num > 0) { |
08b8b6c4 | 908 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 909 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
910 | if (err < 0) { |
911 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
912 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
913 | return; | |
914 | } | |
915 | ||
08b8b6c4 | 916 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 917 | } |
f4001d28 MA |
918 | |
919 | if (hdev->voice_setting & 0x0020) { | |
920 | static const int alts[3] = { 2, 4, 5 }; | |
014f7bc7 | 921 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 922 | } else { |
014f7bc7 | 923 | new_alts = data->sco_num; |
f4001d28 MA |
924 | } |
925 | ||
926 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
927 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
928 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
929 | ||
f4001d28 | 930 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
931 | return; |
932 | } | |
933 | ||
934 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 935 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
936 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
937 | else | |
2eda66f4 | 938 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
939 | } |
940 | } else { | |
941 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
942 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
943 | ||
944 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 945 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 946 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
947 | } |
948 | } | |
949 | ||
7bee549e ON |
950 | static void btusb_waker(struct work_struct *work) |
951 | { | |
952 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
953 | int err; | |
954 | ||
955 | err = usb_autopm_get_interface(data->intf); | |
956 | if (err < 0) | |
957 | return; | |
958 | ||
959 | usb_autopm_put_interface(data->intf); | |
960 | } | |
961 | ||
9f8f962c MH |
962 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
963 | { | |
964 | struct sk_buff *skb; | |
965 | u8 val = 0x00; | |
966 | ||
967 | BT_DBG("%s", hdev->name); | |
968 | ||
969 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
970 | if (IS_ERR(skb)) | |
971 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
972 | else | |
973 | kfree_skb(skb); | |
974 | ||
975 | return 0; | |
976 | } | |
977 | ||
81cac64b MH |
978 | static int btusb_setup_csr(struct hci_dev *hdev) |
979 | { | |
980 | struct hci_rp_read_local_version *rp; | |
981 | struct sk_buff *skb; | |
982 | int ret; | |
983 | ||
984 | BT_DBG("%s", hdev->name); | |
985 | ||
986 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
987 | HCI_INIT_TIMEOUT); | |
988 | if (IS_ERR(skb)) { | |
989 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); | |
990 | return -PTR_ERR(skb); | |
991 | } | |
992 | ||
993 | rp = (struct hci_rp_read_local_version *) skb->data; | |
994 | ||
995 | if (!rp->status) { | |
996 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
997 | /* Clear the reset quirk since this is not an actual | |
998 | * early Bluetooth 1.1 device from CSR. | |
999 | */ | |
1000 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
1001 | ||
1002 | /* These fake CSR controllers have all a broken | |
1003 | * stored link key handling and so just disable it. | |
1004 | */ | |
1005 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
1006 | &hdev->quirks); | |
1007 | } | |
1008 | } | |
1009 | ||
1010 | ret = -bt_to_errno(rp->status); | |
1011 | ||
1012 | kfree_skb(skb); | |
1013 | ||
1014 | return ret; | |
1015 | } | |
1016 | ||
dffd30ee THJA |
1017 | struct intel_version { |
1018 | u8 status; | |
1019 | u8 hw_platform; | |
1020 | u8 hw_variant; | |
1021 | u8 hw_revision; | |
1022 | u8 fw_variant; | |
1023 | u8 fw_revision; | |
1024 | u8 fw_build_num; | |
1025 | u8 fw_build_ww; | |
1026 | u8 fw_build_yy; | |
1027 | u8 fw_patch_num; | |
1028 | } __packed; | |
1029 | ||
1030 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
1031 | struct intel_version *ver) | |
1032 | { | |
1033 | const struct firmware *fw; | |
1034 | char fwname[64]; | |
1035 | int ret; | |
1036 | ||
1037 | snprintf(fwname, sizeof(fwname), | |
1038 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1039 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1040 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1041 | ver->fw_build_ww, ver->fw_build_yy); | |
1042 | ||
1043 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1044 | if (ret < 0) { | |
1045 | if (ret == -EINVAL) { | |
1046 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1047 | hdev->name, ret); | |
1048 | return NULL; | |
1049 | } | |
1050 | ||
1051 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1052 | hdev->name, fwname, ret); | |
1053 | ||
1054 | /* If the correct firmware patch file is not found, use the | |
1055 | * default firmware patch file instead | |
1056 | */ | |
1057 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1058 | ver->hw_platform, ver->hw_variant); | |
1059 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1060 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1061 | hdev->name, fwname); | |
1062 | return NULL; | |
1063 | } | |
1064 | } | |
1065 | ||
1066 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1067 | ||
1068 | return fw; | |
1069 | } | |
1070 | ||
1071 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1072 | const struct firmware *fw, | |
1073 | const u8 **fw_ptr, int *disable_patch) | |
1074 | { | |
1075 | struct sk_buff *skb; | |
1076 | struct hci_command_hdr *cmd; | |
1077 | const u8 *cmd_param; | |
1078 | struct hci_event_hdr *evt = NULL; | |
1079 | const u8 *evt_param = NULL; | |
1080 | int remain = fw->size - (*fw_ptr - fw->data); | |
1081 | ||
1082 | /* The first byte indicates the types of the patch command or event. | |
1083 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1084 | * in the current firmware buffer doesn't start with 0x01 or | |
1085 | * the size of remain buffer is smaller than HCI command header, | |
1086 | * the firmware file is corrupted and it should stop the patching | |
1087 | * process. | |
1088 | */ | |
1089 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1090 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1091 | return -EINVAL; | |
1092 | } | |
1093 | (*fw_ptr)++; | |
1094 | remain--; | |
1095 | ||
1096 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1097 | *fw_ptr += sizeof(*cmd); | |
1098 | remain -= sizeof(*cmd); | |
1099 | ||
1100 | /* Ensure that the remain firmware data is long enough than the length | |
1101 | * of command parameter. If not, the firmware file is corrupted. | |
1102 | */ | |
1103 | if (remain < cmd->plen) { | |
1104 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1105 | return -EFAULT; | |
1106 | } | |
1107 | ||
1108 | /* If there is a command that loads a patch in the firmware | |
1109 | * file, then enable the patch upon success, otherwise just | |
1110 | * disable the manufacturer mode, for example patch activation | |
1111 | * is not required when the default firmware patch file is used | |
1112 | * because there are no patch data to load. | |
1113 | */ | |
1114 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1115 | *disable_patch = 0; | |
1116 | ||
1117 | cmd_param = *fw_ptr; | |
1118 | *fw_ptr += cmd->plen; | |
1119 | remain -= cmd->plen; | |
1120 | ||
1121 | /* This reads the expected events when the above command is sent to the | |
1122 | * device. Some vendor commands expects more than one events, for | |
1123 | * example command status event followed by vendor specific event. | |
1124 | * For this case, it only keeps the last expected event. so the command | |
1125 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1126 | * last expected event. | |
1127 | */ | |
1128 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1129 | (*fw_ptr)++; | |
1130 | remain--; | |
1131 | ||
1132 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1133 | *fw_ptr += sizeof(*evt); | |
1134 | remain -= sizeof(*evt); | |
1135 | ||
1136 | if (remain < evt->plen) { | |
1137 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1138 | hdev->name); | |
1139 | return -EFAULT; | |
1140 | } | |
1141 | ||
1142 | evt_param = *fw_ptr; | |
1143 | *fw_ptr += evt->plen; | |
1144 | remain -= evt->plen; | |
1145 | } | |
1146 | ||
1147 | /* Every HCI commands in the firmware file has its correspond event. | |
1148 | * If event is not found or remain is smaller than zero, the firmware | |
1149 | * file is corrupted. | |
1150 | */ | |
1151 | if (!evt || !evt_param || remain < 0) { | |
1152 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1153 | return -EFAULT; | |
1154 | } | |
1155 | ||
1156 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1157 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1158 | if (IS_ERR(skb)) { | |
1159 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1160 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1161 | return PTR_ERR(skb); |
dffd30ee THJA |
1162 | } |
1163 | ||
1164 | /* It ensures that the returned event matches the event data read from | |
1165 | * the firmware file. At fist, it checks the length and then | |
1166 | * the contents of the event. | |
1167 | */ | |
1168 | if (skb->len != evt->plen) { | |
1169 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1170 | le16_to_cpu(cmd->opcode)); | |
1171 | kfree_skb(skb); | |
1172 | return -EFAULT; | |
1173 | } | |
1174 | ||
1175 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1176 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1177 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1178 | kfree_skb(skb); | |
1179 | return -EFAULT; | |
1180 | } | |
1181 | kfree_skb(skb); | |
1182 | ||
1183 | return 0; | |
1184 | } | |
1185 | ||
1186 | static int btusb_setup_intel(struct hci_dev *hdev) | |
1187 | { | |
1188 | struct sk_buff *skb; | |
1189 | const struct firmware *fw; | |
1190 | const u8 *fw_ptr; | |
1191 | int disable_patch; | |
1192 | struct intel_version *ver; | |
1193 | ||
1194 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1195 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1196 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1197 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1198 | ||
1199 | BT_DBG("%s", hdev->name); | |
1200 | ||
1201 | /* The controller has a bug with the first HCI command sent to it | |
1202 | * returning number of completed commands as zero. This would stall the | |
1203 | * command processing in the Bluetooth core. | |
1204 | * | |
1205 | * As a workaround, send HCI Reset command first which will reset the | |
1206 | * number of completed commands and allow normal command processing | |
1207 | * from now on. | |
1208 | */ | |
1209 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1210 | if (IS_ERR(skb)) { | |
1211 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1212 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1213 | return PTR_ERR(skb); |
dffd30ee THJA |
1214 | } |
1215 | kfree_skb(skb); | |
1216 | ||
1217 | /* Read Intel specific controller version first to allow selection of | |
1218 | * which firmware file to load. | |
1219 | * | |
1220 | * The returned information are hardware variant and revision plus | |
1221 | * firmware variant, revision and build number. | |
1222 | */ | |
1223 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1224 | if (IS_ERR(skb)) { | |
1225 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1226 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1227 | return PTR_ERR(skb); |
dffd30ee THJA |
1228 | } |
1229 | ||
1230 | if (skb->len != sizeof(*ver)) { | |
1231 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1232 | kfree_skb(skb); | |
1233 | return -EIO; | |
1234 | } | |
1235 | ||
1236 | ver = (struct intel_version *)skb->data; | |
1237 | if (ver->status) { | |
1238 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1239 | ver->status); | |
1240 | kfree_skb(skb); | |
1241 | return -bt_to_errno(ver->status); | |
1242 | } | |
1243 | ||
1244 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1245 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1246 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1247 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1248 | ver->fw_patch_num); | |
1249 | ||
1250 | /* fw_patch_num indicates the version of patch the device currently | |
1251 | * have. If there is no patch data in the device, it is always 0x00. | |
1252 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1253 | */ | |
1254 | if (ver->fw_patch_num) { | |
1255 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1256 | hdev->name, ver->fw_patch_num); | |
1257 | kfree_skb(skb); | |
1258 | return 0; | |
1259 | } | |
1260 | ||
1261 | /* Opens the firmware patch file based on the firmware version read | |
1262 | * from the controller. If it fails to open the matching firmware | |
1263 | * patch file, it tries to open the default firmware patch file. | |
1264 | * If no patch file is found, allow the device to operate without | |
1265 | * a patch. | |
1266 | */ | |
1267 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1268 | if (!fw) { | |
1269 | kfree_skb(skb); | |
1270 | return 0; | |
1271 | } | |
1272 | fw_ptr = fw->data; | |
1273 | ||
1274 | /* This Intel specific command enables the manufacturer mode of the | |
1275 | * controller. | |
1276 | * | |
1277 | * Only while this mode is enabled, the driver can download the | |
1278 | * firmware patch data and configuration parameters. | |
1279 | */ | |
1280 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1281 | if (IS_ERR(skb)) { | |
1282 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1283 | hdev->name, PTR_ERR(skb)); | |
1284 | release_firmware(fw); | |
d9c78e97 | 1285 | return PTR_ERR(skb); |
dffd30ee THJA |
1286 | } |
1287 | ||
1288 | if (skb->data[0]) { | |
1289 | u8 evt_status = skb->data[0]; | |
1290 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", | |
1291 | hdev->name, evt_status); | |
1292 | kfree_skb(skb); | |
1293 | release_firmware(fw); | |
1294 | return -bt_to_errno(evt_status); | |
1295 | } | |
1296 | kfree_skb(skb); | |
1297 | ||
1298 | disable_patch = 1; | |
1299 | ||
1300 | /* The firmware data file consists of list of Intel specific HCI | |
1301 | * commands and its expected events. The first byte indicates the | |
1302 | * type of the message, either HCI command or HCI event. | |
1303 | * | |
1304 | * It reads the command and its expected event from the firmware file, | |
1305 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1306 | * the returned event is compared with the event read from the firmware | |
1307 | * file and it will continue until all the messages are downloaded to | |
1308 | * the controller. | |
1309 | * | |
1310 | * Once the firmware patching is completed successfully, | |
1311 | * the manufacturer mode is disabled with reset and activating the | |
1312 | * downloaded patch. | |
1313 | * | |
1314 | * If the firmware patching fails, the manufacturer mode is | |
1315 | * disabled with reset and deactivating the patch. | |
1316 | * | |
1317 | * If the default patch file is used, no reset is done when disabling | |
1318 | * the manufacturer. | |
1319 | */ | |
1320 | while (fw->size > fw_ptr - fw->data) { | |
1321 | int ret; | |
1322 | ||
1323 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1324 | &disable_patch); | |
1325 | if (ret < 0) | |
1326 | goto exit_mfg_deactivate; | |
1327 | } | |
1328 | ||
1329 | release_firmware(fw); | |
1330 | ||
1331 | if (disable_patch) | |
1332 | goto exit_mfg_disable; | |
1333 | ||
1334 | /* Patching completed successfully and disable the manufacturer mode | |
1335 | * with reset and activate the downloaded firmware patches. | |
1336 | */ | |
1337 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1338 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1339 | if (IS_ERR(skb)) { | |
1340 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1341 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1342 | return PTR_ERR(skb); |
dffd30ee THJA |
1343 | } |
1344 | kfree_skb(skb); | |
1345 | ||
1346 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1347 | hdev->name); | |
1348 | ||
1349 | return 0; | |
1350 | ||
1351 | exit_mfg_disable: | |
1352 | /* Disable the manufacturer mode without reset */ | |
1353 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1354 | HCI_INIT_TIMEOUT); | |
1355 | if (IS_ERR(skb)) { | |
1356 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1357 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1358 | return PTR_ERR(skb); |
dffd30ee THJA |
1359 | } |
1360 | kfree_skb(skb); | |
1361 | ||
1362 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
1363 | return 0; | |
1364 | ||
1365 | exit_mfg_deactivate: | |
1366 | release_firmware(fw); | |
1367 | ||
1368 | /* Patching failed. Disable the manufacturer mode with reset and | |
1369 | * deactivate the downloaded firmware patches. | |
1370 | */ | |
1371 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1372 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1373 | if (IS_ERR(skb)) { | |
1374 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1375 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1376 | return PTR_ERR(skb); |
dffd30ee THJA |
1377 | } |
1378 | kfree_skb(skb); | |
1379 | ||
1380 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1381 | hdev->name); | |
1382 | ||
1383 | return 0; | |
1384 | } | |
1385 | ||
10d4c673 PG |
1386 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
1387 | { | |
1388 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1389 | struct usb_device *udev = data->udev; | |
1390 | char fw_name[64]; | |
1391 | const struct firmware *fw; | |
1392 | const u8 *fw_ptr; | |
1393 | size_t fw_size; | |
1394 | const struct hci_command_hdr *cmd; | |
1395 | const u8 *cmd_param; | |
1396 | u16 opcode; | |
1397 | struct sk_buff *skb; | |
1398 | struct hci_rp_read_local_version *ver; | |
1399 | long ret; | |
1400 | ||
1401 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd", | |
1402 | udev->product ? udev->product : "BCM", | |
1403 | le16_to_cpu(udev->descriptor.idVendor), | |
1404 | le16_to_cpu(udev->descriptor.idProduct)); | |
1405 | ||
1406 | ret = request_firmware(&fw, fw_name, &hdev->dev); | |
1407 | if (ret < 0) { | |
1408 | BT_INFO("%s: BCM: patch %s not found", hdev->name, | |
1409 | fw_name); | |
1410 | return 0; | |
1411 | } | |
1412 | ||
1413 | /* Reset */ | |
1414 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1415 | if (IS_ERR(skb)) { | |
1416 | ret = PTR_ERR(skb); | |
1417 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1418 | goto done; | |
1419 | } | |
1420 | kfree_skb(skb); | |
1421 | ||
1422 | /* Read Local Version Info */ | |
1423 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1424 | HCI_INIT_TIMEOUT); | |
1425 | if (IS_ERR(skb)) { | |
1426 | ret = PTR_ERR(skb); | |
1427 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
1428 | hdev->name, ret); | |
1429 | goto done; | |
1430 | } | |
1431 | ||
1432 | if (skb->len != sizeof(*ver)) { | |
1433 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
1434 | hdev->name); | |
1435 | kfree_skb(skb); | |
1436 | ret = -EIO; | |
1437 | goto done; | |
1438 | } | |
1439 | ||
1440 | ver = (struct hci_rp_read_local_version *) skb->data; | |
1441 | BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x " | |
1442 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1443 | ver->lmp_ver, ver->lmp_subver); | |
1444 | kfree_skb(skb); | |
1445 | ||
1446 | /* Start Download */ | |
1447 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); | |
1448 | if (IS_ERR(skb)) { | |
1449 | ret = PTR_ERR(skb); | |
1450 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", | |
1451 | hdev->name, ret); | |
1452 | goto reset_fw; | |
1453 | } | |
1454 | kfree_skb(skb); | |
1455 | ||
1456 | /* 50 msec delay after Download Minidrv completes */ | |
1457 | msleep(50); | |
1458 | ||
1459 | fw_ptr = fw->data; | |
1460 | fw_size = fw->size; | |
1461 | ||
1462 | while (fw_size >= sizeof(*cmd)) { | |
1463 | cmd = (struct hci_command_hdr *) fw_ptr; | |
1464 | fw_ptr += sizeof(*cmd); | |
1465 | fw_size -= sizeof(*cmd); | |
1466 | ||
1467 | if (fw_size < cmd->plen) { | |
1468 | BT_ERR("%s: BCM: patch %s is corrupted", | |
1469 | hdev->name, fw_name); | |
1470 | ret = -EINVAL; | |
1471 | goto reset_fw; | |
1472 | } | |
1473 | ||
1474 | cmd_param = fw_ptr; | |
1475 | fw_ptr += cmd->plen; | |
1476 | fw_size -= cmd->plen; | |
1477 | ||
1478 | opcode = le16_to_cpu(cmd->opcode); | |
1479 | ||
1480 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, | |
1481 | HCI_INIT_TIMEOUT); | |
1482 | if (IS_ERR(skb)) { | |
1483 | ret = PTR_ERR(skb); | |
1484 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", | |
1485 | hdev->name, opcode, ret); | |
1486 | goto reset_fw; | |
1487 | } | |
1488 | kfree_skb(skb); | |
1489 | } | |
1490 | ||
1491 | /* 250 msec delay after Launch Ram completes */ | |
1492 | msleep(250); | |
1493 | ||
1494 | reset_fw: | |
1495 | /* Reset */ | |
1496 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1497 | if (IS_ERR(skb)) { | |
1498 | ret = PTR_ERR(skb); | |
1499 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1500 | goto done; | |
1501 | } | |
1502 | kfree_skb(skb); | |
1503 | ||
1504 | /* Read Local Version Info */ | |
1505 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1506 | HCI_INIT_TIMEOUT); | |
1507 | if (IS_ERR(skb)) { | |
1508 | ret = PTR_ERR(skb); | |
1509 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
1510 | hdev->name, ret); | |
1511 | goto done; | |
1512 | } | |
1513 | ||
1514 | if (skb->len != sizeof(*ver)) { | |
1515 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
1516 | hdev->name); | |
1517 | kfree_skb(skb); | |
1518 | ret = -EIO; | |
1519 | goto done; | |
1520 | } | |
1521 | ||
1522 | ver = (struct hci_rp_read_local_version *) skb->data; | |
1523 | BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x " | |
1524 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1525 | ver->lmp_ver, ver->lmp_subver); | |
1526 | kfree_skb(skb); | |
1527 | ||
1528 | done: | |
1529 | release_firmware(fw); | |
1530 | ||
1531 | return ret; | |
1532 | } | |
1533 | ||
5e23b923 MH |
1534 | static int btusb_probe(struct usb_interface *intf, |
1535 | const struct usb_device_id *id) | |
1536 | { | |
1537 | struct usb_endpoint_descriptor *ep_desc; | |
1538 | struct btusb_data *data; | |
1539 | struct hci_dev *hdev; | |
1540 | int i, err; | |
1541 | ||
1542 | BT_DBG("intf %p id %p", intf, id); | |
1543 | ||
cfeb4145 | 1544 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1545 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1546 | return -ENODEV; | |
1547 | ||
1548 | if (!id->driver_info) { | |
1549 | const struct usb_device_id *match; | |
1550 | match = usb_match_id(intf, blacklist_table); | |
1551 | if (match) | |
1552 | id = match; | |
1553 | } | |
1554 | ||
cfeb4145 MH |
1555 | if (id->driver_info == BTUSB_IGNORE) |
1556 | return -ENODEV; | |
1557 | ||
1558 | if (ignore_dga && id->driver_info & BTUSB_DIGIANSWER) | |
1559 | return -ENODEV; | |
1560 | ||
1561 | if (ignore_csr && id->driver_info & BTUSB_CSR) | |
1562 | return -ENODEV; | |
1563 | ||
1564 | if (ignore_sniffer && id->driver_info & BTUSB_SNIFFER) | |
1565 | return -ENODEV; | |
1566 | ||
2d25f8b4 SL |
1567 | if (id->driver_info & BTUSB_ATH3012) { |
1568 | struct usb_device *udev = interface_to_usbdev(intf); | |
1569 | ||
1570 | /* Old firmware would otherwise let ath3k driver load | |
1571 | * patch and sysconfig files */ | |
1572 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
1573 | return -ENODEV; | |
1574 | } | |
1575 | ||
98921dbd | 1576 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
1577 | if (!data) |
1578 | return -ENOMEM; | |
1579 | ||
1580 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1581 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1582 | ||
1583 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1584 | data->intr_ep = ep_desc; | |
1585 | continue; | |
1586 | } | |
1587 | ||
1588 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1589 | data->bulk_tx_ep = ep_desc; | |
1590 | continue; | |
1591 | } | |
1592 | ||
1593 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1594 | data->bulk_rx_ep = ep_desc; | |
1595 | continue; | |
1596 | } | |
1597 | } | |
1598 | ||
98921dbd | 1599 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 1600 | return -ENODEV; |
5e23b923 | 1601 | |
7a9d4020 MH |
1602 | data->cmdreq_type = USB_TYPE_CLASS; |
1603 | ||
5e23b923 | 1604 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 1605 | data->intf = intf; |
5e23b923 MH |
1606 | |
1607 | spin_lock_init(&data->lock); | |
1608 | ||
1609 | INIT_WORK(&data->work, btusb_work); | |
7bee549e ON |
1610 | INIT_WORK(&data->waker, btusb_waker); |
1611 | spin_lock_init(&data->txlock); | |
5e23b923 MH |
1612 | |
1613 | init_usb_anchor(&data->tx_anchor); | |
1614 | init_usb_anchor(&data->intr_anchor); | |
1615 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 1616 | init_usb_anchor(&data->isoc_anchor); |
7bee549e | 1617 | init_usb_anchor(&data->deferred); |
5e23b923 MH |
1618 | |
1619 | hdev = hci_alloc_dev(); | |
98921dbd | 1620 | if (!hdev) |
5e23b923 | 1621 | return -ENOMEM; |
5e23b923 | 1622 | |
c13854ce | 1623 | hdev->bus = HCI_USB; |
155961e8 | 1624 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
1625 | |
1626 | data->hdev = hdev; | |
1627 | ||
1628 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
1629 | ||
9f8f962c MH |
1630 | hdev->open = btusb_open; |
1631 | hdev->close = btusb_close; | |
1632 | hdev->flush = btusb_flush; | |
1633 | hdev->send = btusb_send_frame; | |
1634 | hdev->notify = btusb_notify; | |
1635 | ||
1636 | if (id->driver_info & BTUSB_BCM92035) | |
1637 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 1638 | |
10d4c673 PG |
1639 | if (id->driver_info & BTUSB_BCM_PATCHRAM) |
1640 | hdev->setup = btusb_setup_bcm_patchram; | |
1641 | ||
3c49aa85 | 1642 | if (id->driver_info & BTUSB_INTEL) |
dffd30ee THJA |
1643 | hdev->setup = btusb_setup_intel; |
1644 | ||
7a9d4020 | 1645 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
1646 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
1647 | ||
7a9d4020 | 1648 | if (!reset) |
a6c511c6 | 1649 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
1650 | |
1651 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
1652 | if (!disable_scofix) | |
1653 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
1654 | } | |
1655 | ||
9bfa35fe MH |
1656 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
1657 | data->isoc = NULL; | |
1658 | ||
7a9d4020 MH |
1659 | if (id->driver_info & BTUSB_DIGIANSWER) { |
1660 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 1661 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
1662 | } |
1663 | ||
1664 | if (id->driver_info & BTUSB_CSR) { | |
1665 | struct usb_device *udev = data->udev; | |
81cac64b | 1666 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
1667 | |
1668 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 1669 | if (bcdDevice < 0x117) |
a6c511c6 | 1670 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
1671 | |
1672 | /* Fake CSR devices with broken commands */ | |
1673 | if (bcdDevice <= 0x100) | |
1674 | hdev->setup = btusb_setup_csr; | |
7a9d4020 MH |
1675 | } |
1676 | ||
cfeb4145 | 1677 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 1678 | struct usb_device *udev = data->udev; |
cfeb4145 | 1679 | |
7a9d4020 | 1680 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
1681 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
1682 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
9bfa35fe MH |
1683 | |
1684 | data->isoc = NULL; | |
cfeb4145 MH |
1685 | } |
1686 | ||
9bfa35fe MH |
1687 | if (data->isoc) { |
1688 | err = usb_driver_claim_interface(&btusb_driver, | |
5fbcd260 | 1689 | data->isoc, data); |
9bfa35fe MH |
1690 | if (err < 0) { |
1691 | hci_free_dev(hdev); | |
9bfa35fe MH |
1692 | return err; |
1693 | } | |
1694 | } | |
1695 | ||
5e23b923 MH |
1696 | err = hci_register_dev(hdev); |
1697 | if (err < 0) { | |
1698 | hci_free_dev(hdev); | |
5e23b923 MH |
1699 | return err; |
1700 | } | |
1701 | ||
1702 | usb_set_intfdata(intf, data); | |
1703 | ||
1704 | return 0; | |
1705 | } | |
1706 | ||
1707 | static void btusb_disconnect(struct usb_interface *intf) | |
1708 | { | |
1709 | struct btusb_data *data = usb_get_intfdata(intf); | |
1710 | struct hci_dev *hdev; | |
1711 | ||
1712 | BT_DBG("intf %p", intf); | |
1713 | ||
1714 | if (!data) | |
1715 | return; | |
1716 | ||
1717 | hdev = data->hdev; | |
5fbcd260 MH |
1718 | usb_set_intfdata(data->intf, NULL); |
1719 | ||
1720 | if (data->isoc) | |
1721 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
1722 | |
1723 | hci_unregister_dev(hdev); | |
1724 | ||
5fbcd260 MH |
1725 | if (intf == data->isoc) |
1726 | usb_driver_release_interface(&btusb_driver, data->intf); | |
1727 | else if (data->isoc) | |
1728 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
1729 | ||
5e23b923 MH |
1730 | hci_free_dev(hdev); |
1731 | } | |
1732 | ||
7bee549e | 1733 | #ifdef CONFIG_PM |
6a88adf2 MH |
1734 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
1735 | { | |
1736 | struct btusb_data *data = usb_get_intfdata(intf); | |
1737 | ||
1738 | BT_DBG("intf %p", intf); | |
1739 | ||
1740 | if (data->suspend_count++) | |
1741 | return 0; | |
1742 | ||
7bee549e | 1743 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 1744 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
1745 | set_bit(BTUSB_SUSPENDING, &data->flags); |
1746 | spin_unlock_irq(&data->txlock); | |
1747 | } else { | |
1748 | spin_unlock_irq(&data->txlock); | |
1749 | data->suspend_count--; | |
1750 | return -EBUSY; | |
1751 | } | |
1752 | ||
6a88adf2 MH |
1753 | cancel_work_sync(&data->work); |
1754 | ||
7bee549e | 1755 | btusb_stop_traffic(data); |
6a88adf2 MH |
1756 | usb_kill_anchored_urbs(&data->tx_anchor); |
1757 | ||
6a88adf2 MH |
1758 | return 0; |
1759 | } | |
1760 | ||
7bee549e ON |
1761 | static void play_deferred(struct btusb_data *data) |
1762 | { | |
1763 | struct urb *urb; | |
1764 | int err; | |
1765 | ||
1766 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
1767 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
1768 | if (err < 0) | |
1769 | break; | |
1770 | ||
1771 | data->tx_in_flight++; | |
1772 | } | |
1773 | usb_scuttle_anchored_urbs(&data->deferred); | |
1774 | } | |
1775 | ||
6a88adf2 MH |
1776 | static int btusb_resume(struct usb_interface *intf) |
1777 | { | |
1778 | struct btusb_data *data = usb_get_intfdata(intf); | |
1779 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 1780 | int err = 0; |
6a88adf2 MH |
1781 | |
1782 | BT_DBG("intf %p", intf); | |
1783 | ||
1784 | if (--data->suspend_count) | |
1785 | return 0; | |
1786 | ||
1787 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 1788 | goto done; |
6a88adf2 MH |
1789 | |
1790 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
1791 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
1792 | if (err < 0) { | |
1793 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 1794 | goto failed; |
6a88adf2 MH |
1795 | } |
1796 | } | |
1797 | ||
1798 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
1799 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
1800 | if (err < 0) { | |
6a88adf2 | 1801 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
1802 | goto failed; |
1803 | } | |
1804 | ||
1805 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
1806 | } |
1807 | ||
1808 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
1809 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
1810 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1811 | else | |
1812 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
1813 | } | |
1814 | ||
7bee549e ON |
1815 | spin_lock_irq(&data->txlock); |
1816 | play_deferred(data); | |
1817 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1818 | spin_unlock_irq(&data->txlock); | |
1819 | schedule_work(&data->work); | |
1820 | ||
6a88adf2 | 1821 | return 0; |
7bee549e ON |
1822 | |
1823 | failed: | |
1824 | usb_scuttle_anchored_urbs(&data->deferred); | |
1825 | done: | |
1826 | spin_lock_irq(&data->txlock); | |
1827 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
1828 | spin_unlock_irq(&data->txlock); | |
1829 | ||
1830 | return err; | |
6a88adf2 | 1831 | } |
7bee549e | 1832 | #endif |
6a88adf2 | 1833 | |
5e23b923 MH |
1834 | static struct usb_driver btusb_driver = { |
1835 | .name = "btusb", | |
1836 | .probe = btusb_probe, | |
1837 | .disconnect = btusb_disconnect, | |
7bee549e | 1838 | #ifdef CONFIG_PM |
6a88adf2 MH |
1839 | .suspend = btusb_suspend, |
1840 | .resume = btusb_resume, | |
7bee549e | 1841 | #endif |
5e23b923 | 1842 | .id_table = btusb_table, |
7bee549e | 1843 | .supports_autosuspend = 1, |
e1f12eb6 | 1844 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
1845 | }; |
1846 | ||
93f1508c | 1847 | module_usb_driver(btusb_driver); |
5e23b923 | 1848 | |
cfeb4145 MH |
1849 | module_param(ignore_dga, bool, 0644); |
1850 | MODULE_PARM_DESC(ignore_dga, "Ignore devices with id 08fd:0001"); | |
1851 | ||
1852 | module_param(ignore_csr, bool, 0644); | |
1853 | MODULE_PARM_DESC(ignore_csr, "Ignore devices with id 0a12:0001"); | |
1854 | ||
1855 | module_param(ignore_sniffer, bool, 0644); | |
1856 | MODULE_PARM_DESC(ignore_sniffer, "Ignore devices with id 0a12:0002"); | |
1857 | ||
1858 | module_param(disable_scofix, bool, 0644); | |
1859 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
1860 | ||
1861 | module_param(force_scofix, bool, 0644); | |
1862 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
1863 | ||
1864 | module_param(reset, bool, 0644); | |
1865 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
1866 | ||
5e23b923 MH |
1867 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
1868 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
1869 | MODULE_VERSION(VERSION); | |
1870 | MODULE_LICENSE("GPL"); |