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