Commit | Line | Data |
---|---|---|
5e23b923 MH |
1 | /* |
2 | * | |
3 | * Generic Bluetooth USB driver | |
4 | * | |
9bfa35fe | 5 | * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org> |
5e23b923 MH |
6 | * |
7 | * | |
8 | * This program is free software; you can redistribute it and/or modify | |
9 | * it under the terms of the GNU General Public License as published by | |
10 | * the Free Software Foundation; either version 2 of the License, or | |
11 | * (at your option) any later version. | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
18 | * You should have received a copy of the GNU General Public License | |
19 | * along with this program; if not, write to the Free Software | |
20 | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA | |
21 | * | |
22 | */ | |
23 | ||
5e23b923 | 24 | #include <linux/module.h> |
5e23b923 | 25 | #include <linux/usb.h> |
dffd30ee | 26 | #include <linux/firmware.h> |
5e23b923 MH |
27 | |
28 | #include <net/bluetooth/bluetooth.h> | |
29 | #include <net/bluetooth/hci_core.h> | |
30 | ||
7bee549e | 31 | #define VERSION "0.6" |
cfeb4145 | 32 | |
90ab5ee9 RR |
33 | static bool disable_scofix; |
34 | static bool force_scofix; | |
7a9d4020 | 35 | |
90ab5ee9 | 36 | static bool reset = 1; |
cfeb4145 MH |
37 | |
38 | static struct usb_driver btusb_driver; | |
39 | ||
40 | #define BTUSB_IGNORE 0x01 | |
7a9d4020 MH |
41 | #define BTUSB_DIGIANSWER 0x02 |
42 | #define BTUSB_CSR 0x04 | |
43 | #define BTUSB_SNIFFER 0x08 | |
44 | #define BTUSB_BCM92035 0x10 | |
45 | #define BTUSB_BROKEN_ISOC 0x20 | |
46 | #define BTUSB_WRONG_SCO_MTU 0x40 | |
2d25f8b4 | 47 | #define BTUSB_ATH3012 0x80 |
dffd30ee | 48 | #define BTUSB_INTEL 0x100 |
40df783d MH |
49 | #define BTUSB_INTEL_BOOT 0x200 |
50 | #define BTUSB_BCM_PATCHRAM 0x400 | |
ae8df494 | 51 | #define BTUSB_MARVELL 0x800 |
5e23b923 | 52 | |
54265202 | 53 | static const struct usb_device_id btusb_table[] = { |
5e23b923 MH |
54 | /* Generic Bluetooth USB device */ |
55 | { USB_DEVICE_INFO(0xe0, 0x01, 0x01) }, | |
56 | ||
1fa6535f HR |
57 | /* Apple-specific (Broadcom) devices */ |
58 | { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01) }, | |
59 | ||
178c059e CYC |
60 | /* MediaTek MT76x0E */ |
61 | { USB_DEVICE(0x0e8d, 0x763f) }, | |
62 | ||
c510eae3 | 63 | /* Broadcom SoftSailing reporting vendor specific */ |
2e8b5063 | 64 | { USB_DEVICE(0x0a5c, 0x21e1) }, |
c510eae3 | 65 | |
3cd01976 NI |
66 | /* Apple MacBookPro 7,1 */ |
67 | { USB_DEVICE(0x05ac, 0x8213) }, | |
68 | ||
0a79f674 CL |
69 | /* Apple iMac11,1 */ |
70 | { USB_DEVICE(0x05ac, 0x8215) }, | |
71 | ||
9c047157 NI |
72 | /* Apple MacBookPro6,2 */ |
73 | { USB_DEVICE(0x05ac, 0x8218) }, | |
74 | ||
3e3ede7d EH |
75 | /* Apple MacBookAir3,1, MacBookAir3,2 */ |
76 | { USB_DEVICE(0x05ac, 0x821b) }, | |
77 | ||
a63b723d PAVM |
78 | /* Apple MacBookAir4,1 */ |
79 | { USB_DEVICE(0x05ac, 0x821f) }, | |
80 | ||
88d377b6 MAP |
81 | /* Apple MacBookPro8,2 */ |
82 | { USB_DEVICE(0x05ac, 0x821a) }, | |
83 | ||
f78b6826 JK |
84 | /* Apple MacMini5,1 */ |
85 | { USB_DEVICE(0x05ac, 0x8281) }, | |
86 | ||
cfeb4145 MH |
87 | /* AVM BlueFRITZ! USB v2.0 */ |
88 | { USB_DEVICE(0x057c, 0x3800) }, | |
89 | ||
90 | /* Bluetooth Ultraport Module from IBM */ | |
91 | { USB_DEVICE(0x04bf, 0x030a) }, | |
92 | ||
93 | /* ALPS Modules with non-standard id */ | |
94 | { USB_DEVICE(0x044e, 0x3001) }, | |
95 | { USB_DEVICE(0x044e, 0x3002) }, | |
96 | ||
97 | /* Ericsson with non-standard id */ | |
98 | { USB_DEVICE(0x0bdb, 0x1002) }, | |
99 | ||
100 | /* Canyon CN-BTU1 with HID interfaces */ | |
7a9d4020 | 101 | { USB_DEVICE(0x0c10, 0x0000) }, |
cfeb4145 | 102 | |
d13431ca | 103 | /* Broadcom BCM20702A0 */ |
0b880062 AS |
104 | { USB_DEVICE(0x0489, 0xe042) }, |
105 | { USB_DEVICE(0x04ca, 0x2003) }, | |
1ee3ff61 | 106 | { USB_DEVICE(0x0b05, 0x17b5) }, |
38a172be | 107 | { USB_DEVICE(0x0b05, 0x17cb) }, |
d13431ca | 108 | { USB_DEVICE(0x413c, 0x8197) }, |
a86c02ea F |
109 | { USB_DEVICE(0x13d3, 0x3404), |
110 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
d13431ca | 111 | |
98514036 | 112 | /* Foxconn - Hon Hai */ |
6029ddc2 HS |
113 | { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01), |
114 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
98514036 | 115 | |
0b880062 | 116 | /* Broadcom devices with vendor specific id */ |
10d4c673 PG |
117 | { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01), |
118 | .driver_info = BTUSB_BCM_PATCHRAM }, | |
92c385f4 | 119 | |
c2aef6e8 MH |
120 | /* ASUSTek Computer - Broadcom based */ |
121 | { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01) }, | |
122 | ||
5bcecf32 KB |
123 | /* Belkin F8065bf - Broadcom based */ |
124 | { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01) }, | |
125 | ||
9113bfd8 JK |
126 | /* IMC Networks - Broadcom based */ |
127 | { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01) }, | |
128 | ||
40df783d | 129 | /* Intel Bluetooth USB Bootloader (RAM module) */ |
d92f2df0 MH |
130 | { USB_DEVICE(0x8087, 0x0a5a), |
131 | .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC }, | |
40df783d | 132 | |
5e23b923 MH |
133 | { } /* Terminating entry */ |
134 | }; | |
135 | ||
136 | MODULE_DEVICE_TABLE(usb, btusb_table); | |
137 | ||
54265202 | 138 | static const struct usb_device_id blacklist_table[] = { |
cfeb4145 MH |
139 | /* CSR BlueCore devices */ |
140 | { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR }, | |
141 | ||
142 | /* Broadcom BCM2033 without firmware */ | |
143 | { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE }, | |
144 | ||
be93112a | 145 | /* Atheros 3011 with sflash firmware */ |
0b880062 AS |
146 | { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE }, |
147 | { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE }, | |
148 | { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE }, | |
be93112a | 149 | { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE }, |
6eda541d | 150 | { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE }, |
2a7bcccc | 151 | { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE }, |
be93112a | 152 | |
509e7861 CYC |
153 | /* Atheros AR9285 Malbec with sflash firmware */ |
154 | { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE }, | |
155 | ||
d9f51b51 | 156 | /* Atheros 3012 with sflash firmware */ |
0b880062 AS |
157 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
158 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, | |
159 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
160 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
161 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
4b552bc9 | 162 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
163 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
164 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
165 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
166 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 167 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
168 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
169 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
170 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, | |
171 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
89d2975f | 172 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 173 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 174 | { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
2d25f8b4 | 175 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 176 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 177 | { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 }, |
b131237c | 178 | { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 179 | { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 180 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 181 | { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 182 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 183 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 184 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
185 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
186 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 187 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 188 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
3bb30a7c | 189 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 190 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 191 | |
e9036e33 CYC |
192 | /* Atheros AR5BBU12 with sflash firmware */ |
193 | { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE }, | |
194 | ||
85d59726 | 195 | /* Atheros AR5BBU12 with sflash firmware */ |
bc21fde2 | 196 | { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 197 | { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 198 | |
cfeb4145 | 199 | /* Broadcom BCM2035 */ |
7a9d4020 | 200 | { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 }, |
0b880062 AS |
201 | { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU }, |
202 | { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
203 | |
204 | /* Broadcom BCM2045 */ | |
7a9d4020 MH |
205 | { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU }, |
206 | { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
bdbef3d6 | 207 | |
cfeb4145 | 208 | /* IBM/Lenovo ThinkPad with Broadcom chip */ |
7a9d4020 MH |
209 | { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU }, |
210 | { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 MH |
211 | |
212 | /* HP laptop with Broadcom chip */ | |
7a9d4020 | 213 | { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 MH |
214 | |
215 | /* Dell laptop with Broadcom chip */ | |
7a9d4020 | 216 | { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 217 | |
5ddd4a60 | 218 | /* Dell Wireless 370 and 410 devices */ |
7a9d4020 | 219 | { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU }, |
5ddd4a60 | 220 | { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU }, |
cfeb4145 | 221 | |
7a9d4020 MH |
222 | /* Belkin F8T012 and F8T013 devices */ |
223 | { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
224 | { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
cfeb4145 | 225 | |
5ddd4a60 MH |
226 | /* Asus WL-BTD202 device */ |
227 | { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
228 | ||
229 | /* Kensington Bluetooth USB adapter */ | |
230 | { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU }, | |
231 | ||
cfeb4145 MH |
232 | /* RTX Telecom based adapters with buggy SCO support */ |
233 | { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC }, | |
234 | { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC }, | |
235 | ||
236 | /* CONWISE Technology based adapters with buggy SCO support */ | |
237 | { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC }, | |
238 | ||
cfeb4145 MH |
239 | /* Digianswer devices */ |
240 | { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER }, | |
241 | { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE }, | |
242 | ||
243 | /* CSR BlueCore Bluetooth Sniffer */ | |
4f64fa80 MH |
244 | { USB_DEVICE(0x0a12, 0x0002), |
245 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 MH |
246 | |
247 | /* Frontline ComProbe Bluetooth Sniffer */ | |
4f64fa80 MH |
248 | { USB_DEVICE(0x16d3, 0x0002), |
249 | .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC }, | |
cfeb4145 | 250 | |
dffd30ee THJA |
251 | /* Intel Bluetooth device */ |
252 | { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL }, | |
ef4e5e4a | 253 | { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL }, |
dffd30ee | 254 | |
ae8df494 AK |
255 | /* Marvell device */ |
256 | { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL }, | |
257 | { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL }, | |
258 | ||
5e23b923 MH |
259 | { } /* Terminating entry */ |
260 | }; | |
261 | ||
9bfa35fe MH |
262 | #define BTUSB_MAX_ISOC_FRAMES 10 |
263 | ||
5e23b923 MH |
264 | #define BTUSB_INTR_RUNNING 0 |
265 | #define BTUSB_BULK_RUNNING 1 | |
9bfa35fe | 266 | #define BTUSB_ISOC_RUNNING 2 |
7bee549e | 267 | #define BTUSB_SUSPENDING 3 |
08b8b6c4 | 268 | #define BTUSB_DID_ISO_RESUME 4 |
5e23b923 MH |
269 | |
270 | struct btusb_data { | |
271 | struct hci_dev *hdev; | |
272 | struct usb_device *udev; | |
5fbcd260 | 273 | struct usb_interface *intf; |
9bfa35fe | 274 | struct usb_interface *isoc; |
5e23b923 | 275 | |
5e23b923 MH |
276 | unsigned long flags; |
277 | ||
278 | struct work_struct work; | |
7bee549e | 279 | struct work_struct waker; |
5e23b923 | 280 | |
803b5836 | 281 | struct usb_anchor deferred; |
5e23b923 | 282 | struct usb_anchor tx_anchor; |
803b5836 MH |
283 | int tx_in_flight; |
284 | spinlock_t txlock; | |
285 | ||
5e23b923 MH |
286 | struct usb_anchor intr_anchor; |
287 | struct usb_anchor bulk_anchor; | |
9bfa35fe | 288 | struct usb_anchor isoc_anchor; |
803b5836 MH |
289 | spinlock_t rxlock; |
290 | ||
291 | struct sk_buff *evt_skb; | |
292 | struct sk_buff *acl_skb; | |
293 | struct sk_buff *sco_skb; | |
5e23b923 MH |
294 | |
295 | struct usb_endpoint_descriptor *intr_ep; | |
296 | struct usb_endpoint_descriptor *bulk_tx_ep; | |
297 | struct usb_endpoint_descriptor *bulk_rx_ep; | |
9bfa35fe MH |
298 | struct usb_endpoint_descriptor *isoc_tx_ep; |
299 | struct usb_endpoint_descriptor *isoc_rx_ep; | |
300 | ||
7a9d4020 MH |
301 | __u8 cmdreq_type; |
302 | ||
43c2e57f | 303 | unsigned int sco_num; |
9bfa35fe | 304 | int isoc_altsetting; |
6a88adf2 | 305 | int suspend_count; |
2cbd3f5c MH |
306 | |
307 | int (*recv_bulk)(struct btusb_data *data, void *buffer, int count); | |
5e23b923 MH |
308 | }; |
309 | ||
803b5836 MH |
310 | static inline void btusb_free_frags(struct btusb_data *data) |
311 | { | |
312 | unsigned long flags; | |
313 | ||
314 | spin_lock_irqsave(&data->rxlock, flags); | |
315 | ||
316 | kfree_skb(data->evt_skb); | |
317 | data->evt_skb = NULL; | |
318 | ||
319 | kfree_skb(data->acl_skb); | |
320 | data->acl_skb = NULL; | |
321 | ||
322 | kfree_skb(data->sco_skb); | |
323 | data->sco_skb = NULL; | |
324 | ||
325 | spin_unlock_irqrestore(&data->rxlock, flags); | |
326 | } | |
327 | ||
1ffa4ad0 MH |
328 | static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count) |
329 | { | |
803b5836 MH |
330 | struct sk_buff *skb; |
331 | int err = 0; | |
332 | ||
333 | spin_lock(&data->rxlock); | |
334 | skb = data->evt_skb; | |
335 | ||
336 | while (count) { | |
337 | int len; | |
338 | ||
339 | if (!skb) { | |
340 | skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC); | |
341 | if (!skb) { | |
342 | err = -ENOMEM; | |
343 | break; | |
344 | } | |
345 | ||
346 | bt_cb(skb)->pkt_type = HCI_EVENT_PKT; | |
347 | bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE; | |
348 | } | |
349 | ||
350 | len = min_t(uint, bt_cb(skb)->expect, count); | |
351 | memcpy(skb_put(skb, len), buffer, len); | |
352 | ||
353 | count -= len; | |
354 | buffer += len; | |
355 | bt_cb(skb)->expect -= len; | |
356 | ||
357 | if (skb->len == HCI_EVENT_HDR_SIZE) { | |
358 | /* Complete event header */ | |
359 | bt_cb(skb)->expect = hci_event_hdr(skb)->plen; | |
360 | ||
361 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
362 | kfree_skb(skb); | |
363 | skb = NULL; | |
364 | ||
365 | err = -EILSEQ; | |
366 | break; | |
367 | } | |
368 | } | |
369 | ||
370 | if (bt_cb(skb)->expect == 0) { | |
371 | /* Complete frame */ | |
372 | hci_recv_frame(data->hdev, skb); | |
373 | skb = NULL; | |
374 | } | |
375 | } | |
376 | ||
377 | data->evt_skb = skb; | |
378 | spin_unlock(&data->rxlock); | |
379 | ||
380 | return err; | |
1ffa4ad0 MH |
381 | } |
382 | ||
383 | static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count) | |
384 | { | |
803b5836 MH |
385 | struct sk_buff *skb; |
386 | int err = 0; | |
387 | ||
388 | spin_lock(&data->rxlock); | |
389 | skb = data->acl_skb; | |
390 | ||
391 | while (count) { | |
392 | int len; | |
393 | ||
394 | if (!skb) { | |
395 | skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC); | |
396 | if (!skb) { | |
397 | err = -ENOMEM; | |
398 | break; | |
399 | } | |
400 | ||
401 | bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT; | |
402 | bt_cb(skb)->expect = HCI_ACL_HDR_SIZE; | |
403 | } | |
404 | ||
405 | len = min_t(uint, bt_cb(skb)->expect, count); | |
406 | memcpy(skb_put(skb, len), buffer, len); | |
407 | ||
408 | count -= len; | |
409 | buffer += len; | |
410 | bt_cb(skb)->expect -= len; | |
411 | ||
412 | if (skb->len == HCI_ACL_HDR_SIZE) { | |
413 | __le16 dlen = hci_acl_hdr(skb)->dlen; | |
414 | ||
415 | /* Complete ACL header */ | |
416 | bt_cb(skb)->expect = __le16_to_cpu(dlen); | |
417 | ||
418 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
419 | kfree_skb(skb); | |
420 | skb = NULL; | |
421 | ||
422 | err = -EILSEQ; | |
423 | break; | |
424 | } | |
425 | } | |
426 | ||
427 | if (bt_cb(skb)->expect == 0) { | |
428 | /* Complete frame */ | |
429 | hci_recv_frame(data->hdev, skb); | |
430 | skb = NULL; | |
431 | } | |
432 | } | |
433 | ||
434 | data->acl_skb = skb; | |
435 | spin_unlock(&data->rxlock); | |
436 | ||
437 | return err; | |
1ffa4ad0 MH |
438 | } |
439 | ||
440 | static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count) | |
441 | { | |
803b5836 MH |
442 | struct sk_buff *skb; |
443 | int err = 0; | |
444 | ||
445 | spin_lock(&data->rxlock); | |
446 | skb = data->sco_skb; | |
447 | ||
448 | while (count) { | |
449 | int len; | |
450 | ||
451 | if (!skb) { | |
452 | skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC); | |
453 | if (!skb) { | |
454 | err = -ENOMEM; | |
455 | break; | |
456 | } | |
457 | ||
458 | bt_cb(skb)->pkt_type = HCI_SCODATA_PKT; | |
459 | bt_cb(skb)->expect = HCI_SCO_HDR_SIZE; | |
460 | } | |
461 | ||
462 | len = min_t(uint, bt_cb(skb)->expect, count); | |
463 | memcpy(skb_put(skb, len), buffer, len); | |
464 | ||
465 | count -= len; | |
466 | buffer += len; | |
467 | bt_cb(skb)->expect -= len; | |
468 | ||
469 | if (skb->len == HCI_SCO_HDR_SIZE) { | |
470 | /* Complete SCO header */ | |
471 | bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen; | |
472 | ||
473 | if (skb_tailroom(skb) < bt_cb(skb)->expect) { | |
474 | kfree_skb(skb); | |
475 | skb = NULL; | |
476 | ||
477 | err = -EILSEQ; | |
478 | break; | |
479 | } | |
480 | } | |
481 | ||
482 | if (bt_cb(skb)->expect == 0) { | |
483 | /* Complete frame */ | |
484 | hci_recv_frame(data->hdev, skb); | |
485 | skb = NULL; | |
486 | } | |
487 | } | |
488 | ||
489 | data->sco_skb = skb; | |
490 | spin_unlock(&data->rxlock); | |
491 | ||
492 | return err; | |
1ffa4ad0 MH |
493 | } |
494 | ||
5e23b923 MH |
495 | static void btusb_intr_complete(struct urb *urb) |
496 | { | |
497 | struct hci_dev *hdev = urb->context; | |
155961e8 | 498 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
499 | int err; |
500 | ||
89e7533d MH |
501 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
502 | urb->actual_length); | |
5e23b923 MH |
503 | |
504 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
505 | return; | |
506 | ||
507 | if (urb->status == 0) { | |
9bfa35fe MH |
508 | hdev->stat.byte_rx += urb->actual_length; |
509 | ||
1ffa4ad0 MH |
510 | if (btusb_recv_intr(data, urb->transfer_buffer, |
511 | urb->actual_length) < 0) { | |
5e23b923 MH |
512 | BT_ERR("%s corrupted event packet", hdev->name); |
513 | hdev->stat.err_rx++; | |
514 | } | |
85560c4a CC |
515 | } else if (urb->status == -ENOENT) { |
516 | /* Avoid suspend failed when usb_kill_urb */ | |
517 | return; | |
5e23b923 MH |
518 | } |
519 | ||
520 | if (!test_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
521 | return; | |
522 | ||
7bee549e | 523 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
524 | usb_anchor_urb(urb, &data->intr_anchor); |
525 | ||
526 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
527 | if (err < 0) { | |
4935f1c1 PB |
528 | /* -EPERM: urb is being killed; |
529 | * -ENODEV: device got disconnected */ | |
530 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 531 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 532 | hdev->name, urb, -err); |
5e23b923 MH |
533 | usb_unanchor_urb(urb); |
534 | } | |
535 | } | |
536 | ||
2eda66f4 | 537 | static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 538 | { |
155961e8 | 539 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
540 | struct urb *urb; |
541 | unsigned char *buf; | |
542 | unsigned int pipe; | |
543 | int err, size; | |
544 | ||
545 | BT_DBG("%s", hdev->name); | |
546 | ||
9bfa35fe MH |
547 | if (!data->intr_ep) |
548 | return -ENODEV; | |
549 | ||
2eda66f4 | 550 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
551 | if (!urb) |
552 | return -ENOMEM; | |
553 | ||
554 | size = le16_to_cpu(data->intr_ep->wMaxPacketSize); | |
555 | ||
2eda66f4 | 556 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
557 | if (!buf) { |
558 | usb_free_urb(urb); | |
559 | return -ENOMEM; | |
560 | } | |
561 | ||
562 | pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress); | |
563 | ||
564 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, | |
89e7533d | 565 | btusb_intr_complete, hdev, data->intr_ep->bInterval); |
5e23b923 MH |
566 | |
567 | urb->transfer_flags |= URB_FREE_BUFFER; | |
568 | ||
569 | usb_anchor_urb(urb, &data->intr_anchor); | |
570 | ||
2eda66f4 | 571 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 572 | if (err < 0) { |
d4b8d1c9 PB |
573 | if (err != -EPERM && err != -ENODEV) |
574 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 575 | hdev->name, urb, -err); |
5e23b923 | 576 | usb_unanchor_urb(urb); |
5e23b923 MH |
577 | } |
578 | ||
579 | usb_free_urb(urb); | |
580 | ||
581 | return err; | |
582 | } | |
583 | ||
584 | static void btusb_bulk_complete(struct urb *urb) | |
585 | { | |
586 | struct hci_dev *hdev = urb->context; | |
155961e8 | 587 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
588 | int err; |
589 | ||
89e7533d MH |
590 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
591 | urb->actual_length); | |
5e23b923 MH |
592 | |
593 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
594 | return; | |
595 | ||
596 | if (urb->status == 0) { | |
9bfa35fe MH |
597 | hdev->stat.byte_rx += urb->actual_length; |
598 | ||
2cbd3f5c | 599 | if (data->recv_bulk(data, urb->transfer_buffer, |
1ffa4ad0 | 600 | urb->actual_length) < 0) { |
5e23b923 MH |
601 | BT_ERR("%s corrupted ACL packet", hdev->name); |
602 | hdev->stat.err_rx++; | |
603 | } | |
85560c4a CC |
604 | } else if (urb->status == -ENOENT) { |
605 | /* Avoid suspend failed when usb_kill_urb */ | |
606 | return; | |
5e23b923 MH |
607 | } |
608 | ||
609 | if (!test_bit(BTUSB_BULK_RUNNING, &data->flags)) | |
610 | return; | |
611 | ||
612 | usb_anchor_urb(urb, &data->bulk_anchor); | |
652fd781 | 613 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
614 | |
615 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
616 | if (err < 0) { | |
4935f1c1 PB |
617 | /* -EPERM: urb is being killed; |
618 | * -ENODEV: device got disconnected */ | |
619 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 620 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 621 | hdev->name, urb, -err); |
5e23b923 MH |
622 | usb_unanchor_urb(urb); |
623 | } | |
624 | } | |
625 | ||
2eda66f4 | 626 | static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags) |
5e23b923 | 627 | { |
155961e8 | 628 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
629 | struct urb *urb; |
630 | unsigned char *buf; | |
631 | unsigned int pipe; | |
290ba200 | 632 | int err, size = HCI_MAX_FRAME_SIZE; |
5e23b923 MH |
633 | |
634 | BT_DBG("%s", hdev->name); | |
635 | ||
9bfa35fe MH |
636 | if (!data->bulk_rx_ep) |
637 | return -ENODEV; | |
638 | ||
2eda66f4 | 639 | urb = usb_alloc_urb(0, mem_flags); |
5e23b923 MH |
640 | if (!urb) |
641 | return -ENOMEM; | |
642 | ||
2eda66f4 | 643 | buf = kmalloc(size, mem_flags); |
5e23b923 MH |
644 | if (!buf) { |
645 | usb_free_urb(urb); | |
646 | return -ENOMEM; | |
647 | } | |
648 | ||
649 | pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress); | |
650 | ||
89e7533d MH |
651 | usb_fill_bulk_urb(urb, data->udev, pipe, buf, size, |
652 | btusb_bulk_complete, hdev); | |
5e23b923 MH |
653 | |
654 | urb->transfer_flags |= URB_FREE_BUFFER; | |
655 | ||
7bee549e | 656 | usb_mark_last_busy(data->udev); |
5e23b923 MH |
657 | usb_anchor_urb(urb, &data->bulk_anchor); |
658 | ||
2eda66f4 | 659 | err = usb_submit_urb(urb, mem_flags); |
5e23b923 | 660 | if (err < 0) { |
d4b8d1c9 PB |
661 | if (err != -EPERM && err != -ENODEV) |
662 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 663 | hdev->name, urb, -err); |
5e23b923 | 664 | usb_unanchor_urb(urb); |
5e23b923 MH |
665 | } |
666 | ||
667 | usb_free_urb(urb); | |
668 | ||
669 | return err; | |
670 | } | |
671 | ||
9bfa35fe MH |
672 | static void btusb_isoc_complete(struct urb *urb) |
673 | { | |
674 | struct hci_dev *hdev = urb->context; | |
155961e8 | 675 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
676 | int i, err; |
677 | ||
89e7533d MH |
678 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
679 | urb->actual_length); | |
9bfa35fe MH |
680 | |
681 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
682 | return; | |
683 | ||
684 | if (urb->status == 0) { | |
685 | for (i = 0; i < urb->number_of_packets; i++) { | |
686 | unsigned int offset = urb->iso_frame_desc[i].offset; | |
687 | unsigned int length = urb->iso_frame_desc[i].actual_length; | |
688 | ||
689 | if (urb->iso_frame_desc[i].status) | |
690 | continue; | |
691 | ||
692 | hdev->stat.byte_rx += length; | |
693 | ||
1ffa4ad0 MH |
694 | if (btusb_recv_isoc(data, urb->transfer_buffer + offset, |
695 | length) < 0) { | |
9bfa35fe MH |
696 | BT_ERR("%s corrupted SCO packet", hdev->name); |
697 | hdev->stat.err_rx++; | |
698 | } | |
699 | } | |
85560c4a CC |
700 | } else if (urb->status == -ENOENT) { |
701 | /* Avoid suspend failed when usb_kill_urb */ | |
702 | return; | |
9bfa35fe MH |
703 | } |
704 | ||
705 | if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags)) | |
706 | return; | |
707 | ||
708 | usb_anchor_urb(urb, &data->isoc_anchor); | |
709 | ||
710 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
711 | if (err < 0) { | |
4935f1c1 PB |
712 | /* -EPERM: urb is being killed; |
713 | * -ENODEV: device got disconnected */ | |
714 | if (err != -EPERM && err != -ENODEV) | |
61faddf6 | 715 | BT_ERR("%s urb %p failed to resubmit (%d)", |
89e7533d | 716 | hdev->name, urb, -err); |
9bfa35fe MH |
717 | usb_unanchor_urb(urb); |
718 | } | |
719 | } | |
720 | ||
42b16b3f | 721 | static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu) |
9bfa35fe MH |
722 | { |
723 | int i, offset = 0; | |
724 | ||
725 | BT_DBG("len %d mtu %d", len, mtu); | |
726 | ||
727 | for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu; | |
728 | i++, offset += mtu, len -= mtu) { | |
729 | urb->iso_frame_desc[i].offset = offset; | |
730 | urb->iso_frame_desc[i].length = mtu; | |
731 | } | |
732 | ||
733 | if (len && i < BTUSB_MAX_ISOC_FRAMES) { | |
734 | urb->iso_frame_desc[i].offset = offset; | |
735 | urb->iso_frame_desc[i].length = len; | |
736 | i++; | |
737 | } | |
738 | ||
739 | urb->number_of_packets = i; | |
740 | } | |
741 | ||
2eda66f4 | 742 | static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags) |
9bfa35fe | 743 | { |
155961e8 | 744 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
745 | struct urb *urb; |
746 | unsigned char *buf; | |
747 | unsigned int pipe; | |
748 | int err, size; | |
749 | ||
750 | BT_DBG("%s", hdev->name); | |
751 | ||
752 | if (!data->isoc_rx_ep) | |
753 | return -ENODEV; | |
754 | ||
2eda66f4 | 755 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags); |
9bfa35fe MH |
756 | if (!urb) |
757 | return -ENOMEM; | |
758 | ||
759 | size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) * | |
760 | BTUSB_MAX_ISOC_FRAMES; | |
761 | ||
2eda66f4 | 762 | buf = kmalloc(size, mem_flags); |
9bfa35fe MH |
763 | if (!buf) { |
764 | usb_free_urb(urb); | |
765 | return -ENOMEM; | |
766 | } | |
767 | ||
768 | pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress); | |
769 | ||
fa0fb93f | 770 | usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete, |
89e7533d | 771 | hdev, data->isoc_rx_ep->bInterval); |
9bfa35fe | 772 | |
89e7533d | 773 | urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP; |
9bfa35fe MH |
774 | |
775 | __fill_isoc_descriptor(urb, size, | |
89e7533d | 776 | le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize)); |
9bfa35fe MH |
777 | |
778 | usb_anchor_urb(urb, &data->isoc_anchor); | |
779 | ||
2eda66f4 | 780 | err = usb_submit_urb(urb, mem_flags); |
9bfa35fe | 781 | if (err < 0) { |
d4b8d1c9 PB |
782 | if (err != -EPERM && err != -ENODEV) |
783 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 784 | hdev->name, urb, -err); |
9bfa35fe | 785 | usb_unanchor_urb(urb); |
9bfa35fe MH |
786 | } |
787 | ||
788 | usb_free_urb(urb); | |
789 | ||
790 | return err; | |
791 | } | |
792 | ||
5e23b923 | 793 | static void btusb_tx_complete(struct urb *urb) |
7bee549e ON |
794 | { |
795 | struct sk_buff *skb = urb->context; | |
89e7533d | 796 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
155961e8 | 797 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 798 | |
89e7533d MH |
799 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
800 | urb->actual_length); | |
7bee549e ON |
801 | |
802 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
803 | goto done; | |
804 | ||
805 | if (!urb->status) | |
806 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
807 | else | |
808 | hdev->stat.err_tx++; | |
809 | ||
810 | done: | |
811 | spin_lock(&data->txlock); | |
812 | data->tx_in_flight--; | |
813 | spin_unlock(&data->txlock); | |
814 | ||
815 | kfree(urb->setup_packet); | |
816 | ||
817 | kfree_skb(skb); | |
818 | } | |
819 | ||
820 | static void btusb_isoc_tx_complete(struct urb *urb) | |
5e23b923 MH |
821 | { |
822 | struct sk_buff *skb = urb->context; | |
89e7533d | 823 | struct hci_dev *hdev = (struct hci_dev *)skb->dev; |
5e23b923 | 824 | |
89e7533d MH |
825 | BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status, |
826 | urb->actual_length); | |
5e23b923 MH |
827 | |
828 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
829 | goto done; | |
830 | ||
831 | if (!urb->status) | |
832 | hdev->stat.byte_tx += urb->transfer_buffer_length; | |
833 | else | |
834 | hdev->stat.err_tx++; | |
835 | ||
836 | done: | |
837 | kfree(urb->setup_packet); | |
838 | ||
839 | kfree_skb(skb); | |
840 | } | |
841 | ||
842 | static int btusb_open(struct hci_dev *hdev) | |
843 | { | |
155961e8 | 844 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
845 | int err; |
846 | ||
847 | BT_DBG("%s", hdev->name); | |
848 | ||
7bee549e ON |
849 | err = usb_autopm_get_interface(data->intf); |
850 | if (err < 0) | |
851 | return err; | |
852 | ||
853 | data->intf->needs_remote_wakeup = 1; | |
854 | ||
5e23b923 | 855 | if (test_and_set_bit(HCI_RUNNING, &hdev->flags)) |
7bee549e | 856 | goto done; |
5e23b923 MH |
857 | |
858 | if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags)) | |
7bee549e | 859 | goto done; |
5e23b923 | 860 | |
2eda66f4 | 861 | err = btusb_submit_intr_urb(hdev, GFP_KERNEL); |
43c2e57f MH |
862 | if (err < 0) |
863 | goto failed; | |
864 | ||
865 | err = btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
5e23b923 | 866 | if (err < 0) { |
43c2e57f MH |
867 | usb_kill_anchored_urbs(&data->intr_anchor); |
868 | goto failed; | |
5e23b923 MH |
869 | } |
870 | ||
43c2e57f MH |
871 | set_bit(BTUSB_BULK_RUNNING, &data->flags); |
872 | btusb_submit_bulk_urb(hdev, GFP_KERNEL); | |
873 | ||
7bee549e ON |
874 | done: |
875 | usb_autopm_put_interface(data->intf); | |
43c2e57f MH |
876 | return 0; |
877 | ||
878 | failed: | |
879 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
880 | clear_bit(HCI_RUNNING, &hdev->flags); | |
7bee549e | 881 | usb_autopm_put_interface(data->intf); |
5e23b923 MH |
882 | return err; |
883 | } | |
884 | ||
7bee549e ON |
885 | static void btusb_stop_traffic(struct btusb_data *data) |
886 | { | |
887 | usb_kill_anchored_urbs(&data->intr_anchor); | |
888 | usb_kill_anchored_urbs(&data->bulk_anchor); | |
889 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
890 | } | |
891 | ||
5e23b923 MH |
892 | static int btusb_close(struct hci_dev *hdev) |
893 | { | |
155961e8 | 894 | struct btusb_data *data = hci_get_drvdata(hdev); |
7bee549e | 895 | int err; |
5e23b923 MH |
896 | |
897 | BT_DBG("%s", hdev->name); | |
898 | ||
899 | if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags)) | |
900 | return 0; | |
901 | ||
e8c3c3d2 | 902 | cancel_work_sync(&data->work); |
404291ac | 903 | cancel_work_sync(&data->waker); |
e8c3c3d2 | 904 | |
9bfa35fe | 905 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
5e23b923 | 906 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
5e23b923 | 907 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); |
7bee549e ON |
908 | |
909 | btusb_stop_traffic(data); | |
803b5836 MH |
910 | btusb_free_frags(data); |
911 | ||
7bee549e ON |
912 | err = usb_autopm_get_interface(data->intf); |
913 | if (err < 0) | |
7b8e2c1d | 914 | goto failed; |
7bee549e ON |
915 | |
916 | data->intf->needs_remote_wakeup = 0; | |
917 | usb_autopm_put_interface(data->intf); | |
5e23b923 | 918 | |
7b8e2c1d ON |
919 | failed: |
920 | usb_scuttle_anchored_urbs(&data->deferred); | |
5e23b923 MH |
921 | return 0; |
922 | } | |
923 | ||
924 | static int btusb_flush(struct hci_dev *hdev) | |
925 | { | |
155961e8 | 926 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
927 | |
928 | BT_DBG("%s", hdev->name); | |
929 | ||
930 | usb_kill_anchored_urbs(&data->tx_anchor); | |
803b5836 | 931 | btusb_free_frags(data); |
5e23b923 MH |
932 | |
933 | return 0; | |
934 | } | |
935 | ||
047b2ec8 | 936 | static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb) |
5e23b923 | 937 | { |
155961e8 | 938 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
939 | struct usb_ctrlrequest *dr; |
940 | struct urb *urb; | |
941 | unsigned int pipe; | |
5e23b923 | 942 | |
047b2ec8 MH |
943 | urb = usb_alloc_urb(0, GFP_KERNEL); |
944 | if (!urb) | |
945 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 946 | |
047b2ec8 MH |
947 | dr = kmalloc(sizeof(*dr), GFP_KERNEL); |
948 | if (!dr) { | |
949 | usb_free_urb(urb); | |
950 | return ERR_PTR(-ENOMEM); | |
951 | } | |
5e23b923 | 952 | |
047b2ec8 MH |
953 | dr->bRequestType = data->cmdreq_type; |
954 | dr->bRequest = 0; | |
955 | dr->wIndex = 0; | |
956 | dr->wValue = 0; | |
957 | dr->wLength = __cpu_to_le16(skb->len); | |
7bd8f09f | 958 | |
047b2ec8 | 959 | pipe = usb_sndctrlpipe(data->udev, 0x00); |
5e23b923 | 960 | |
89e7533d | 961 | usb_fill_control_urb(urb, data->udev, pipe, (void *)dr, |
047b2ec8 | 962 | skb->data, skb->len, btusb_tx_complete, skb); |
5e23b923 | 963 | |
89e7533d | 964 | skb->dev = (void *)hdev; |
5e23b923 | 965 | |
047b2ec8 MH |
966 | return urb; |
967 | } | |
5e23b923 | 968 | |
047b2ec8 MH |
969 | static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb) |
970 | { | |
971 | struct btusb_data *data = hci_get_drvdata(hdev); | |
972 | struct urb *urb; | |
973 | unsigned int pipe; | |
5e23b923 | 974 | |
047b2ec8 MH |
975 | if (!data->bulk_tx_ep) |
976 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 977 | |
047b2ec8 MH |
978 | urb = usb_alloc_urb(0, GFP_KERNEL); |
979 | if (!urb) | |
980 | return ERR_PTR(-ENOMEM); | |
5e23b923 | 981 | |
047b2ec8 | 982 | pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress); |
5e23b923 | 983 | |
047b2ec8 MH |
984 | usb_fill_bulk_urb(urb, data->udev, pipe, |
985 | skb->data, skb->len, btusb_tx_complete, skb); | |
5e23b923 | 986 | |
89e7533d | 987 | skb->dev = (void *)hdev; |
5e23b923 | 988 | |
047b2ec8 MH |
989 | return urb; |
990 | } | |
9bfa35fe | 991 | |
047b2ec8 MH |
992 | static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb) |
993 | { | |
994 | struct btusb_data *data = hci_get_drvdata(hdev); | |
995 | struct urb *urb; | |
996 | unsigned int pipe; | |
9bfa35fe | 997 | |
047b2ec8 MH |
998 | if (!data->isoc_tx_ep) |
999 | return ERR_PTR(-ENODEV); | |
9bfa35fe | 1000 | |
047b2ec8 MH |
1001 | urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL); |
1002 | if (!urb) | |
1003 | return ERR_PTR(-ENOMEM); | |
9bfa35fe | 1004 | |
047b2ec8 | 1005 | pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress); |
9bfa35fe | 1006 | |
047b2ec8 MH |
1007 | usb_fill_int_urb(urb, data->udev, pipe, |
1008 | skb->data, skb->len, btusb_isoc_tx_complete, | |
1009 | skb, data->isoc_tx_ep->bInterval); | |
9bfa35fe | 1010 | |
047b2ec8 | 1011 | urb->transfer_flags = URB_ISO_ASAP; |
5e23b923 | 1012 | |
047b2ec8 MH |
1013 | __fill_isoc_descriptor(urb, skb->len, |
1014 | le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize)); | |
5e23b923 | 1015 | |
89e7533d | 1016 | skb->dev = (void *)hdev; |
047b2ec8 MH |
1017 | |
1018 | return urb; | |
1019 | } | |
1020 | ||
1021 | static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb) | |
1022 | { | |
1023 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1024 | int err; | |
7bee549e | 1025 | |
5e23b923 MH |
1026 | usb_anchor_urb(urb, &data->tx_anchor); |
1027 | ||
e9753eff | 1028 | err = usb_submit_urb(urb, GFP_KERNEL); |
5e23b923 | 1029 | if (err < 0) { |
5a9b80e2 PB |
1030 | if (err != -EPERM && err != -ENODEV) |
1031 | BT_ERR("%s urb %p submission failed (%d)", | |
89e7533d | 1032 | hdev->name, urb, -err); |
5e23b923 MH |
1033 | kfree(urb->setup_packet); |
1034 | usb_unanchor_urb(urb); | |
7bee549e ON |
1035 | } else { |
1036 | usb_mark_last_busy(data->udev); | |
5e23b923 MH |
1037 | } |
1038 | ||
54a8a79c | 1039 | usb_free_urb(urb); |
5e23b923 MH |
1040 | return err; |
1041 | } | |
1042 | ||
047b2ec8 MH |
1043 | static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb) |
1044 | { | |
1045 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1046 | unsigned long flags; | |
1047 | bool suspending; | |
1048 | ||
1049 | spin_lock_irqsave(&data->txlock, flags); | |
1050 | suspending = test_bit(BTUSB_SUSPENDING, &data->flags); | |
1051 | if (!suspending) | |
1052 | data->tx_in_flight++; | |
1053 | spin_unlock_irqrestore(&data->txlock, flags); | |
1054 | ||
1055 | if (!suspending) | |
1056 | return submit_tx_urb(hdev, urb); | |
1057 | ||
1058 | usb_anchor_urb(urb, &data->deferred); | |
1059 | schedule_work(&data->waker); | |
1060 | ||
1061 | usb_free_urb(urb); | |
1062 | return 0; | |
1063 | } | |
1064 | ||
1065 | static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb) | |
1066 | { | |
1067 | struct urb *urb; | |
1068 | ||
1069 | BT_DBG("%s", hdev->name); | |
1070 | ||
1071 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
1072 | return -EBUSY; | |
1073 | ||
1074 | switch (bt_cb(skb)->pkt_type) { | |
1075 | case HCI_COMMAND_PKT: | |
1076 | urb = alloc_ctrl_urb(hdev, skb); | |
1077 | if (IS_ERR(urb)) | |
1078 | return PTR_ERR(urb); | |
1079 | ||
1080 | hdev->stat.cmd_tx++; | |
1081 | return submit_or_queue_tx_urb(hdev, urb); | |
1082 | ||
1083 | case HCI_ACLDATA_PKT: | |
1084 | urb = alloc_bulk_urb(hdev, skb); | |
1085 | if (IS_ERR(urb)) | |
1086 | return PTR_ERR(urb); | |
1087 | ||
1088 | hdev->stat.acl_tx++; | |
1089 | return submit_or_queue_tx_urb(hdev, urb); | |
1090 | ||
1091 | case HCI_SCODATA_PKT: | |
1092 | if (hci_conn_num(hdev, SCO_LINK) < 1) | |
1093 | return -ENODEV; | |
1094 | ||
1095 | urb = alloc_isoc_urb(hdev, skb); | |
1096 | if (IS_ERR(urb)) | |
1097 | return PTR_ERR(urb); | |
1098 | ||
1099 | hdev->stat.sco_tx++; | |
1100 | return submit_tx_urb(hdev, urb); | |
1101 | } | |
1102 | ||
1103 | return -EILSEQ; | |
1104 | } | |
1105 | ||
5e23b923 MH |
1106 | static void btusb_notify(struct hci_dev *hdev, unsigned int evt) |
1107 | { | |
155961e8 | 1108 | struct btusb_data *data = hci_get_drvdata(hdev); |
5e23b923 MH |
1109 | |
1110 | BT_DBG("%s evt %d", hdev->name, evt); | |
1111 | ||
014f7bc7 MH |
1112 | if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) { |
1113 | data->sco_num = hci_conn_num(hdev, SCO_LINK); | |
43c2e57f | 1114 | schedule_work(&data->work); |
a780efa8 | 1115 | } |
5e23b923 MH |
1116 | } |
1117 | ||
42b16b3f | 1118 | static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting) |
9bfa35fe | 1119 | { |
155961e8 | 1120 | struct btusb_data *data = hci_get_drvdata(hdev); |
9bfa35fe MH |
1121 | struct usb_interface *intf = data->isoc; |
1122 | struct usb_endpoint_descriptor *ep_desc; | |
1123 | int i, err; | |
1124 | ||
1125 | if (!data->isoc) | |
1126 | return -ENODEV; | |
1127 | ||
1128 | err = usb_set_interface(data->udev, 1, altsetting); | |
1129 | if (err < 0) { | |
1130 | BT_ERR("%s setting interface failed (%d)", hdev->name, -err); | |
1131 | return err; | |
1132 | } | |
1133 | ||
1134 | data->isoc_altsetting = altsetting; | |
1135 | ||
1136 | data->isoc_tx_ep = NULL; | |
1137 | data->isoc_rx_ep = NULL; | |
1138 | ||
1139 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1140 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1141 | ||
1142 | if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) { | |
1143 | data->isoc_tx_ep = ep_desc; | |
1144 | continue; | |
1145 | } | |
1146 | ||
1147 | if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) { | |
1148 | data->isoc_rx_ep = ep_desc; | |
1149 | continue; | |
1150 | } | |
1151 | } | |
1152 | ||
1153 | if (!data->isoc_tx_ep || !data->isoc_rx_ep) { | |
1154 | BT_ERR("%s invalid SCO descriptors", hdev->name); | |
1155 | return -ENODEV; | |
1156 | } | |
1157 | ||
1158 | return 0; | |
1159 | } | |
1160 | ||
5e23b923 MH |
1161 | static void btusb_work(struct work_struct *work) |
1162 | { | |
1163 | struct btusb_data *data = container_of(work, struct btusb_data, work); | |
1164 | struct hci_dev *hdev = data->hdev; | |
f4001d28 | 1165 | int new_alts; |
7bee549e | 1166 | int err; |
5e23b923 | 1167 | |
014f7bc7 | 1168 | if (data->sco_num > 0) { |
08b8b6c4 | 1169 | if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) { |
8efdd0cd | 1170 | err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf); |
7bee549e ON |
1171 | if (err < 0) { |
1172 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1173 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1174 | return; | |
1175 | } | |
1176 | ||
08b8b6c4 | 1177 | set_bit(BTUSB_DID_ISO_RESUME, &data->flags); |
7bee549e | 1178 | } |
f4001d28 MA |
1179 | |
1180 | if (hdev->voice_setting & 0x0020) { | |
1181 | static const int alts[3] = { 2, 4, 5 }; | |
89e7533d | 1182 | |
014f7bc7 | 1183 | new_alts = alts[data->sco_num - 1]; |
f4001d28 | 1184 | } else { |
014f7bc7 | 1185 | new_alts = data->sco_num; |
f4001d28 MA |
1186 | } |
1187 | ||
1188 | if (data->isoc_altsetting != new_alts) { | |
9bfa35fe MH |
1189 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1190 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1191 | ||
f4001d28 | 1192 | if (__set_isoc_interface(hdev, new_alts) < 0) |
9bfa35fe MH |
1193 | return; |
1194 | } | |
1195 | ||
1196 | if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2eda66f4 | 1197 | if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0) |
9bfa35fe MH |
1198 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); |
1199 | else | |
2eda66f4 | 1200 | btusb_submit_isoc_urb(hdev, GFP_KERNEL); |
9bfa35fe MH |
1201 | } |
1202 | } else { | |
1203 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
1204 | usb_kill_anchored_urbs(&data->isoc_anchor); | |
1205 | ||
1206 | __set_isoc_interface(hdev, 0); | |
08b8b6c4 | 1207 | if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags)) |
8efdd0cd | 1208 | usb_autopm_put_interface(data->isoc ? data->isoc : data->intf); |
5e23b923 MH |
1209 | } |
1210 | } | |
1211 | ||
7bee549e ON |
1212 | static void btusb_waker(struct work_struct *work) |
1213 | { | |
1214 | struct btusb_data *data = container_of(work, struct btusb_data, waker); | |
1215 | int err; | |
1216 | ||
1217 | err = usb_autopm_get_interface(data->intf); | |
1218 | if (err < 0) | |
1219 | return; | |
1220 | ||
1221 | usb_autopm_put_interface(data->intf); | |
1222 | } | |
1223 | ||
9f8f962c MH |
1224 | static int btusb_setup_bcm92035(struct hci_dev *hdev) |
1225 | { | |
1226 | struct sk_buff *skb; | |
1227 | u8 val = 0x00; | |
1228 | ||
1229 | BT_DBG("%s", hdev->name); | |
1230 | ||
1231 | skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT); | |
1232 | if (IS_ERR(skb)) | |
1233 | BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb)); | |
1234 | else | |
1235 | kfree_skb(skb); | |
1236 | ||
1237 | return 0; | |
1238 | } | |
1239 | ||
81cac64b MH |
1240 | static int btusb_setup_csr(struct hci_dev *hdev) |
1241 | { | |
1242 | struct hci_rp_read_local_version *rp; | |
1243 | struct sk_buff *skb; | |
1244 | int ret; | |
1245 | ||
1246 | BT_DBG("%s", hdev->name); | |
1247 | ||
1248 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1249 | HCI_INIT_TIMEOUT); | |
1250 | if (IS_ERR(skb)) { | |
1251 | BT_ERR("Reading local version failed (%ld)", -PTR_ERR(skb)); | |
1252 | return -PTR_ERR(skb); | |
1253 | } | |
1254 | ||
89e7533d | 1255 | rp = (struct hci_rp_read_local_version *)skb->data; |
81cac64b MH |
1256 | |
1257 | if (!rp->status) { | |
1258 | if (le16_to_cpu(rp->manufacturer) != 10) { | |
1259 | /* Clear the reset quirk since this is not an actual | |
1260 | * early Bluetooth 1.1 device from CSR. | |
1261 | */ | |
1262 | clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); | |
1263 | ||
1264 | /* These fake CSR controllers have all a broken | |
1265 | * stored link key handling and so just disable it. | |
1266 | */ | |
1267 | set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, | |
1268 | &hdev->quirks); | |
1269 | } | |
1270 | } | |
1271 | ||
1272 | ret = -bt_to_errno(rp->status); | |
1273 | ||
1274 | kfree_skb(skb); | |
1275 | ||
1276 | return ret; | |
1277 | } | |
1278 | ||
dffd30ee THJA |
1279 | struct intel_version { |
1280 | u8 status; | |
1281 | u8 hw_platform; | |
1282 | u8 hw_variant; | |
1283 | u8 hw_revision; | |
1284 | u8 fw_variant; | |
1285 | u8 fw_revision; | |
1286 | u8 fw_build_num; | |
1287 | u8 fw_build_ww; | |
1288 | u8 fw_build_yy; | |
1289 | u8 fw_patch_num; | |
1290 | } __packed; | |
1291 | ||
1292 | static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev, | |
89e7533d | 1293 | struct intel_version *ver) |
dffd30ee THJA |
1294 | { |
1295 | const struct firmware *fw; | |
1296 | char fwname[64]; | |
1297 | int ret; | |
1298 | ||
1299 | snprintf(fwname, sizeof(fwname), | |
1300 | "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq", | |
1301 | ver->hw_platform, ver->hw_variant, ver->hw_revision, | |
1302 | ver->fw_variant, ver->fw_revision, ver->fw_build_num, | |
1303 | ver->fw_build_ww, ver->fw_build_yy); | |
1304 | ||
1305 | ret = request_firmware(&fw, fwname, &hdev->dev); | |
1306 | if (ret < 0) { | |
1307 | if (ret == -EINVAL) { | |
1308 | BT_ERR("%s Intel firmware file request failed (%d)", | |
1309 | hdev->name, ret); | |
1310 | return NULL; | |
1311 | } | |
1312 | ||
1313 | BT_ERR("%s failed to open Intel firmware file: %s(%d)", | |
1314 | hdev->name, fwname, ret); | |
1315 | ||
1316 | /* If the correct firmware patch file is not found, use the | |
1317 | * default firmware patch file instead | |
1318 | */ | |
1319 | snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq", | |
1320 | ver->hw_platform, ver->hw_variant); | |
1321 | if (request_firmware(&fw, fwname, &hdev->dev) < 0) { | |
1322 | BT_ERR("%s failed to open default Intel fw file: %s", | |
1323 | hdev->name, fwname); | |
1324 | return NULL; | |
1325 | } | |
1326 | } | |
1327 | ||
1328 | BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname); | |
1329 | ||
1330 | return fw; | |
1331 | } | |
1332 | ||
1333 | static int btusb_setup_intel_patching(struct hci_dev *hdev, | |
1334 | const struct firmware *fw, | |
1335 | const u8 **fw_ptr, int *disable_patch) | |
1336 | { | |
1337 | struct sk_buff *skb; | |
1338 | struct hci_command_hdr *cmd; | |
1339 | const u8 *cmd_param; | |
1340 | struct hci_event_hdr *evt = NULL; | |
1341 | const u8 *evt_param = NULL; | |
1342 | int remain = fw->size - (*fw_ptr - fw->data); | |
1343 | ||
1344 | /* The first byte indicates the types of the patch command or event. | |
1345 | * 0x01 means HCI command and 0x02 is HCI event. If the first bytes | |
1346 | * in the current firmware buffer doesn't start with 0x01 or | |
1347 | * the size of remain buffer is smaller than HCI command header, | |
1348 | * the firmware file is corrupted and it should stop the patching | |
1349 | * process. | |
1350 | */ | |
1351 | if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) { | |
1352 | BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name); | |
1353 | return -EINVAL; | |
1354 | } | |
1355 | (*fw_ptr)++; | |
1356 | remain--; | |
1357 | ||
1358 | cmd = (struct hci_command_hdr *)(*fw_ptr); | |
1359 | *fw_ptr += sizeof(*cmd); | |
1360 | remain -= sizeof(*cmd); | |
1361 | ||
1362 | /* Ensure that the remain firmware data is long enough than the length | |
1363 | * of command parameter. If not, the firmware file is corrupted. | |
1364 | */ | |
1365 | if (remain < cmd->plen) { | |
1366 | BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name); | |
1367 | return -EFAULT; | |
1368 | } | |
1369 | ||
1370 | /* If there is a command that loads a patch in the firmware | |
1371 | * file, then enable the patch upon success, otherwise just | |
1372 | * disable the manufacturer mode, for example patch activation | |
1373 | * is not required when the default firmware patch file is used | |
1374 | * because there are no patch data to load. | |
1375 | */ | |
1376 | if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e) | |
1377 | *disable_patch = 0; | |
1378 | ||
1379 | cmd_param = *fw_ptr; | |
1380 | *fw_ptr += cmd->plen; | |
1381 | remain -= cmd->plen; | |
1382 | ||
1383 | /* This reads the expected events when the above command is sent to the | |
1384 | * device. Some vendor commands expects more than one events, for | |
1385 | * example command status event followed by vendor specific event. | |
1386 | * For this case, it only keeps the last expected event. so the command | |
1387 | * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of | |
1388 | * last expected event. | |
1389 | */ | |
1390 | while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) { | |
1391 | (*fw_ptr)++; | |
1392 | remain--; | |
1393 | ||
1394 | evt = (struct hci_event_hdr *)(*fw_ptr); | |
1395 | *fw_ptr += sizeof(*evt); | |
1396 | remain -= sizeof(*evt); | |
1397 | ||
1398 | if (remain < evt->plen) { | |
1399 | BT_ERR("%s Intel fw corrupted: invalid evt len", | |
1400 | hdev->name); | |
1401 | return -EFAULT; | |
1402 | } | |
1403 | ||
1404 | evt_param = *fw_ptr; | |
1405 | *fw_ptr += evt->plen; | |
1406 | remain -= evt->plen; | |
1407 | } | |
1408 | ||
1409 | /* Every HCI commands in the firmware file has its correspond event. | |
1410 | * If event is not found or remain is smaller than zero, the firmware | |
1411 | * file is corrupted. | |
1412 | */ | |
1413 | if (!evt || !evt_param || remain < 0) { | |
1414 | BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name); | |
1415 | return -EFAULT; | |
1416 | } | |
1417 | ||
1418 | skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen, | |
1419 | cmd_param, evt->evt, HCI_INIT_TIMEOUT); | |
1420 | if (IS_ERR(skb)) { | |
1421 | BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)", | |
1422 | hdev->name, cmd->opcode, PTR_ERR(skb)); | |
d9c78e97 | 1423 | return PTR_ERR(skb); |
dffd30ee THJA |
1424 | } |
1425 | ||
1426 | /* It ensures that the returned event matches the event data read from | |
1427 | * the firmware file. At fist, it checks the length and then | |
1428 | * the contents of the event. | |
1429 | */ | |
1430 | if (skb->len != evt->plen) { | |
1431 | BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name, | |
1432 | le16_to_cpu(cmd->opcode)); | |
1433 | kfree_skb(skb); | |
1434 | return -EFAULT; | |
1435 | } | |
1436 | ||
1437 | if (memcmp(skb->data, evt_param, evt->plen)) { | |
1438 | BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)", | |
1439 | hdev->name, le16_to_cpu(cmd->opcode)); | |
1440 | kfree_skb(skb); | |
1441 | return -EFAULT; | |
1442 | } | |
1443 | kfree_skb(skb); | |
1444 | ||
1445 | return 0; | |
1446 | } | |
1447 | ||
40cb0984 MH |
1448 | #define BDADDR_INTEL (&(bdaddr_t) {{0x00, 0x8b, 0x9e, 0x19, 0x03, 0x00}}) |
1449 | ||
1450 | static int btusb_check_bdaddr_intel(struct hci_dev *hdev) | |
1451 | { | |
1452 | struct sk_buff *skb; | |
1453 | struct hci_rp_read_bd_addr *rp; | |
1454 | ||
1455 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1456 | HCI_INIT_TIMEOUT); | |
1457 | if (IS_ERR(skb)) { | |
1458 | BT_ERR("%s reading Intel device address failed (%ld)", | |
1459 | hdev->name, PTR_ERR(skb)); | |
1460 | return PTR_ERR(skb); | |
1461 | } | |
1462 | ||
1463 | if (skb->len != sizeof(*rp)) { | |
1464 | BT_ERR("%s Intel device address length mismatch", hdev->name); | |
1465 | kfree_skb(skb); | |
1466 | return -EIO; | |
1467 | } | |
1468 | ||
89e7533d | 1469 | rp = (struct hci_rp_read_bd_addr *)skb->data; |
40cb0984 MH |
1470 | if (rp->status) { |
1471 | BT_ERR("%s Intel device address result failed (%02x)", | |
1472 | hdev->name, rp->status); | |
1473 | kfree_skb(skb); | |
1474 | return -bt_to_errno(rp->status); | |
1475 | } | |
1476 | ||
1477 | /* For some Intel based controllers, the default Bluetooth device | |
1478 | * address 00:03:19:9E:8B:00 can be found. These controllers are | |
1479 | * fully operational, but have the danger of duplicate addresses | |
1480 | * and that in turn can cause problems with Bluetooth operation. | |
1481 | */ | |
4739b5b1 | 1482 | if (!bacmp(&rp->bdaddr, BDADDR_INTEL)) { |
40cb0984 MH |
1483 | BT_ERR("%s found Intel default device address (%pMR)", |
1484 | hdev->name, &rp->bdaddr); | |
4739b5b1 MH |
1485 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1486 | } | |
40cb0984 MH |
1487 | |
1488 | kfree_skb(skb); | |
1489 | ||
1490 | return 0; | |
1491 | } | |
1492 | ||
dffd30ee THJA |
1493 | static int btusb_setup_intel(struct hci_dev *hdev) |
1494 | { | |
1495 | struct sk_buff *skb; | |
1496 | const struct firmware *fw; | |
1497 | const u8 *fw_ptr; | |
1498 | int disable_patch; | |
1499 | struct intel_version *ver; | |
1500 | ||
1501 | const u8 mfg_enable[] = { 0x01, 0x00 }; | |
1502 | const u8 mfg_disable[] = { 0x00, 0x00 }; | |
1503 | const u8 mfg_reset_deactivate[] = { 0x00, 0x01 }; | |
1504 | const u8 mfg_reset_activate[] = { 0x00, 0x02 }; | |
1505 | ||
1506 | BT_DBG("%s", hdev->name); | |
1507 | ||
1508 | /* The controller has a bug with the first HCI command sent to it | |
1509 | * returning number of completed commands as zero. This would stall the | |
1510 | * command processing in the Bluetooth core. | |
1511 | * | |
1512 | * As a workaround, send HCI Reset command first which will reset the | |
1513 | * number of completed commands and allow normal command processing | |
1514 | * from now on. | |
1515 | */ | |
1516 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1517 | if (IS_ERR(skb)) { | |
1518 | BT_ERR("%s sending initial HCI reset command failed (%ld)", | |
1519 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1520 | return PTR_ERR(skb); |
dffd30ee THJA |
1521 | } |
1522 | kfree_skb(skb); | |
1523 | ||
1524 | /* Read Intel specific controller version first to allow selection of | |
1525 | * which firmware file to load. | |
1526 | * | |
1527 | * The returned information are hardware variant and revision plus | |
1528 | * firmware variant, revision and build number. | |
1529 | */ | |
1530 | skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT); | |
1531 | if (IS_ERR(skb)) { | |
1532 | BT_ERR("%s reading Intel fw version command failed (%ld)", | |
1533 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1534 | return PTR_ERR(skb); |
dffd30ee THJA |
1535 | } |
1536 | ||
1537 | if (skb->len != sizeof(*ver)) { | |
1538 | BT_ERR("%s Intel version event length mismatch", hdev->name); | |
1539 | kfree_skb(skb); | |
1540 | return -EIO; | |
1541 | } | |
1542 | ||
1543 | ver = (struct intel_version *)skb->data; | |
1544 | if (ver->status) { | |
1545 | BT_ERR("%s Intel fw version event failed (%02x)", hdev->name, | |
1546 | ver->status); | |
1547 | kfree_skb(skb); | |
1548 | return -bt_to_errno(ver->status); | |
1549 | } | |
1550 | ||
1551 | BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x", | |
1552 | hdev->name, ver->hw_platform, ver->hw_variant, | |
1553 | ver->hw_revision, ver->fw_variant, ver->fw_revision, | |
1554 | ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy, | |
1555 | ver->fw_patch_num); | |
1556 | ||
1557 | /* fw_patch_num indicates the version of patch the device currently | |
1558 | * have. If there is no patch data in the device, it is always 0x00. | |
1559 | * So, if it is other than 0x00, no need to patch the deivce again. | |
1560 | */ | |
1561 | if (ver->fw_patch_num) { | |
1562 | BT_INFO("%s: Intel device is already patched. patch num: %02x", | |
1563 | hdev->name, ver->fw_patch_num); | |
1564 | kfree_skb(skb); | |
40cb0984 | 1565 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1566 | return 0; |
1567 | } | |
1568 | ||
1569 | /* Opens the firmware patch file based on the firmware version read | |
1570 | * from the controller. If it fails to open the matching firmware | |
1571 | * patch file, it tries to open the default firmware patch file. | |
1572 | * If no patch file is found, allow the device to operate without | |
1573 | * a patch. | |
1574 | */ | |
1575 | fw = btusb_setup_intel_get_fw(hdev, ver); | |
1576 | if (!fw) { | |
1577 | kfree_skb(skb); | |
40cb0984 | 1578 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1579 | return 0; |
1580 | } | |
1581 | fw_ptr = fw->data; | |
1582 | ||
1583 | /* This Intel specific command enables the manufacturer mode of the | |
1584 | * controller. | |
1585 | * | |
1586 | * Only while this mode is enabled, the driver can download the | |
1587 | * firmware patch data and configuration parameters. | |
1588 | */ | |
1589 | skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT); | |
1590 | if (IS_ERR(skb)) { | |
1591 | BT_ERR("%s entering Intel manufacturer mode failed (%ld)", | |
1592 | hdev->name, PTR_ERR(skb)); | |
1593 | release_firmware(fw); | |
d9c78e97 | 1594 | return PTR_ERR(skb); |
dffd30ee THJA |
1595 | } |
1596 | ||
1597 | if (skb->data[0]) { | |
1598 | u8 evt_status = skb->data[0]; | |
89e7533d | 1599 | |
dffd30ee THJA |
1600 | BT_ERR("%s enable Intel manufacturer mode event failed (%02x)", |
1601 | hdev->name, evt_status); | |
1602 | kfree_skb(skb); | |
1603 | release_firmware(fw); | |
1604 | return -bt_to_errno(evt_status); | |
1605 | } | |
1606 | kfree_skb(skb); | |
1607 | ||
1608 | disable_patch = 1; | |
1609 | ||
1610 | /* The firmware data file consists of list of Intel specific HCI | |
1611 | * commands and its expected events. The first byte indicates the | |
1612 | * type of the message, either HCI command or HCI event. | |
1613 | * | |
1614 | * It reads the command and its expected event from the firmware file, | |
1615 | * and send to the controller. Once __hci_cmd_sync_ev() returns, | |
1616 | * the returned event is compared with the event read from the firmware | |
1617 | * file and it will continue until all the messages are downloaded to | |
1618 | * the controller. | |
1619 | * | |
1620 | * Once the firmware patching is completed successfully, | |
1621 | * the manufacturer mode is disabled with reset and activating the | |
1622 | * downloaded patch. | |
1623 | * | |
1624 | * If the firmware patching fails, the manufacturer mode is | |
1625 | * disabled with reset and deactivating the patch. | |
1626 | * | |
1627 | * If the default patch file is used, no reset is done when disabling | |
1628 | * the manufacturer. | |
1629 | */ | |
1630 | while (fw->size > fw_ptr - fw->data) { | |
1631 | int ret; | |
1632 | ||
1633 | ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr, | |
1634 | &disable_patch); | |
1635 | if (ret < 0) | |
1636 | goto exit_mfg_deactivate; | |
1637 | } | |
1638 | ||
1639 | release_firmware(fw); | |
1640 | ||
1641 | if (disable_patch) | |
1642 | goto exit_mfg_disable; | |
1643 | ||
1644 | /* Patching completed successfully and disable the manufacturer mode | |
1645 | * with reset and activate the downloaded firmware patches. | |
1646 | */ | |
1647 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate), | |
1648 | mfg_reset_activate, HCI_INIT_TIMEOUT); | |
1649 | if (IS_ERR(skb)) { | |
1650 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1651 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1652 | return PTR_ERR(skb); |
dffd30ee THJA |
1653 | } |
1654 | kfree_skb(skb); | |
1655 | ||
1656 | BT_INFO("%s: Intel Bluetooth firmware patch completed and activated", | |
1657 | hdev->name); | |
1658 | ||
40cb0984 | 1659 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1660 | return 0; |
1661 | ||
1662 | exit_mfg_disable: | |
1663 | /* Disable the manufacturer mode without reset */ | |
1664 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable, | |
1665 | HCI_INIT_TIMEOUT); | |
1666 | if (IS_ERR(skb)) { | |
1667 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1668 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1669 | return PTR_ERR(skb); |
dffd30ee THJA |
1670 | } |
1671 | kfree_skb(skb); | |
1672 | ||
1673 | BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name); | |
40cb0984 MH |
1674 | |
1675 | btusb_check_bdaddr_intel(hdev); | |
dffd30ee THJA |
1676 | return 0; |
1677 | ||
1678 | exit_mfg_deactivate: | |
1679 | release_firmware(fw); | |
1680 | ||
1681 | /* Patching failed. Disable the manufacturer mode with reset and | |
1682 | * deactivate the downloaded firmware patches. | |
1683 | */ | |
1684 | skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate), | |
1685 | mfg_reset_deactivate, HCI_INIT_TIMEOUT); | |
1686 | if (IS_ERR(skb)) { | |
1687 | BT_ERR("%s exiting Intel manufacturer mode failed (%ld)", | |
1688 | hdev->name, PTR_ERR(skb)); | |
d9c78e97 | 1689 | return PTR_ERR(skb); |
dffd30ee THJA |
1690 | } |
1691 | kfree_skb(skb); | |
1692 | ||
1693 | BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated", | |
1694 | hdev->name); | |
1695 | ||
40cb0984 | 1696 | btusb_check_bdaddr_intel(hdev); |
dffd30ee THJA |
1697 | return 0; |
1698 | } | |
1699 | ||
cb8d6597 MH |
1700 | static int btusb_set_bdaddr_intel(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1701 | { | |
1702 | struct sk_buff *skb; | |
1703 | long ret; | |
1704 | ||
1705 | skb = __hci_cmd_sync(hdev, 0xfc31, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1706 | if (IS_ERR(skb)) { | |
1707 | ret = PTR_ERR(skb); | |
1708 | BT_ERR("%s: changing Intel device address failed (%ld)", | |
89e7533d | 1709 | hdev->name, ret); |
cb8d6597 MH |
1710 | return ret; |
1711 | } | |
1712 | kfree_skb(skb); | |
1713 | ||
1714 | return 0; | |
1715 | } | |
1716 | ||
ae8df494 AK |
1717 | static int btusb_set_bdaddr_marvell(struct hci_dev *hdev, |
1718 | const bdaddr_t *bdaddr) | |
1719 | { | |
1720 | struct sk_buff *skb; | |
1721 | u8 buf[8]; | |
1722 | long ret; | |
1723 | ||
1724 | buf[0] = 0xfe; | |
1725 | buf[1] = sizeof(bdaddr_t); | |
1726 | memcpy(buf + 2, bdaddr, sizeof(bdaddr_t)); | |
1727 | ||
1728 | skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT); | |
1729 | if (IS_ERR(skb)) { | |
1730 | ret = PTR_ERR(skb); | |
1731 | BT_ERR("%s: changing Marvell device address failed (%ld)", | |
1732 | hdev->name, ret); | |
1733 | return ret; | |
1734 | } | |
1735 | kfree_skb(skb); | |
1736 | ||
1737 | return 0; | |
1738 | } | |
1739 | ||
c8abb73f MH |
1740 | #define BDADDR_BCM20702A0 (&(bdaddr_t) {{0x00, 0xa0, 0x02, 0x70, 0x20, 0x00}}) |
1741 | ||
10d4c673 PG |
1742 | static int btusb_setup_bcm_patchram(struct hci_dev *hdev) |
1743 | { | |
1744 | struct btusb_data *data = hci_get_drvdata(hdev); | |
1745 | struct usb_device *udev = data->udev; | |
1746 | char fw_name[64]; | |
1747 | const struct firmware *fw; | |
1748 | const u8 *fw_ptr; | |
1749 | size_t fw_size; | |
1750 | const struct hci_command_hdr *cmd; | |
1751 | const u8 *cmd_param; | |
1752 | u16 opcode; | |
1753 | struct sk_buff *skb; | |
1754 | struct hci_rp_read_local_version *ver; | |
c8abb73f | 1755 | struct hci_rp_read_bd_addr *bda; |
10d4c673 PG |
1756 | long ret; |
1757 | ||
1758 | snprintf(fw_name, sizeof(fw_name), "brcm/%s-%04x-%04x.hcd", | |
1759 | udev->product ? udev->product : "BCM", | |
1760 | le16_to_cpu(udev->descriptor.idVendor), | |
1761 | le16_to_cpu(udev->descriptor.idProduct)); | |
1762 | ||
1763 | ret = request_firmware(&fw, fw_name, &hdev->dev); | |
1764 | if (ret < 0) { | |
c8abb73f | 1765 | BT_INFO("%s: BCM: patch %s not found", hdev->name, fw_name); |
10d4c673 PG |
1766 | return 0; |
1767 | } | |
1768 | ||
1769 | /* Reset */ | |
1770 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1771 | if (IS_ERR(skb)) { | |
1772 | ret = PTR_ERR(skb); | |
1773 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1774 | goto done; | |
1775 | } | |
1776 | kfree_skb(skb); | |
1777 | ||
1778 | /* Read Local Version Info */ | |
1779 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1780 | HCI_INIT_TIMEOUT); | |
1781 | if (IS_ERR(skb)) { | |
1782 | ret = PTR_ERR(skb); | |
1783 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
89e7533d | 1784 | hdev->name, ret); |
10d4c673 PG |
1785 | goto done; |
1786 | } | |
1787 | ||
1788 | if (skb->len != sizeof(*ver)) { | |
1789 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
89e7533d | 1790 | hdev->name); |
10d4c673 PG |
1791 | kfree_skb(skb); |
1792 | ret = -EIO; | |
1793 | goto done; | |
1794 | } | |
1795 | ||
89e7533d | 1796 | ver = (struct hci_rp_read_local_version *)skb->data; |
10d4c673 PG |
1797 | BT_INFO("%s: BCM: patching hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
1798 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1799 | ver->lmp_ver, ver->lmp_subver); | |
1800 | kfree_skb(skb); | |
1801 | ||
1802 | /* Start Download */ | |
1803 | skb = __hci_cmd_sync(hdev, 0xfc2e, 0, NULL, HCI_INIT_TIMEOUT); | |
1804 | if (IS_ERR(skb)) { | |
1805 | ret = PTR_ERR(skb); | |
1806 | BT_ERR("%s: BCM: Download Minidrv command failed (%ld)", | |
89e7533d | 1807 | hdev->name, ret); |
10d4c673 PG |
1808 | goto reset_fw; |
1809 | } | |
1810 | kfree_skb(skb); | |
1811 | ||
1812 | /* 50 msec delay after Download Minidrv completes */ | |
1813 | msleep(50); | |
1814 | ||
1815 | fw_ptr = fw->data; | |
1816 | fw_size = fw->size; | |
1817 | ||
1818 | while (fw_size >= sizeof(*cmd)) { | |
89e7533d | 1819 | cmd = (struct hci_command_hdr *)fw_ptr; |
10d4c673 PG |
1820 | fw_ptr += sizeof(*cmd); |
1821 | fw_size -= sizeof(*cmd); | |
1822 | ||
1823 | if (fw_size < cmd->plen) { | |
1824 | BT_ERR("%s: BCM: patch %s is corrupted", | |
89e7533d | 1825 | hdev->name, fw_name); |
10d4c673 PG |
1826 | ret = -EINVAL; |
1827 | goto reset_fw; | |
1828 | } | |
1829 | ||
1830 | cmd_param = fw_ptr; | |
1831 | fw_ptr += cmd->plen; | |
1832 | fw_size -= cmd->plen; | |
1833 | ||
1834 | opcode = le16_to_cpu(cmd->opcode); | |
1835 | ||
1836 | skb = __hci_cmd_sync(hdev, opcode, cmd->plen, cmd_param, | |
1837 | HCI_INIT_TIMEOUT); | |
1838 | if (IS_ERR(skb)) { | |
1839 | ret = PTR_ERR(skb); | |
1840 | BT_ERR("%s: BCM: patch command %04x failed (%ld)", | |
89e7533d | 1841 | hdev->name, opcode, ret); |
10d4c673 PG |
1842 | goto reset_fw; |
1843 | } | |
1844 | kfree_skb(skb); | |
1845 | } | |
1846 | ||
1847 | /* 250 msec delay after Launch Ram completes */ | |
1848 | msleep(250); | |
1849 | ||
1850 | reset_fw: | |
1851 | /* Reset */ | |
1852 | skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT); | |
1853 | if (IS_ERR(skb)) { | |
1854 | ret = PTR_ERR(skb); | |
1855 | BT_ERR("%s: HCI_OP_RESET failed (%ld)", hdev->name, ret); | |
1856 | goto done; | |
1857 | } | |
1858 | kfree_skb(skb); | |
1859 | ||
1860 | /* Read Local Version Info */ | |
1861 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL, | |
1862 | HCI_INIT_TIMEOUT); | |
1863 | if (IS_ERR(skb)) { | |
1864 | ret = PTR_ERR(skb); | |
1865 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION failed (%ld)", | |
89e7533d | 1866 | hdev->name, ret); |
10d4c673 PG |
1867 | goto done; |
1868 | } | |
1869 | ||
1870 | if (skb->len != sizeof(*ver)) { | |
1871 | BT_ERR("%s: HCI_OP_READ_LOCAL_VERSION event length mismatch", | |
89e7533d | 1872 | hdev->name); |
10d4c673 PG |
1873 | kfree_skb(skb); |
1874 | ret = -EIO; | |
1875 | goto done; | |
1876 | } | |
1877 | ||
89e7533d | 1878 | ver = (struct hci_rp_read_local_version *)skb->data; |
10d4c673 PG |
1879 | BT_INFO("%s: BCM: firmware hci_ver=%02x hci_rev=%04x lmp_ver=%02x " |
1880 | "lmp_subver=%04x", hdev->name, ver->hci_ver, ver->hci_rev, | |
1881 | ver->lmp_ver, ver->lmp_subver); | |
1882 | kfree_skb(skb); | |
1883 | ||
c8abb73f MH |
1884 | /* Read BD Address */ |
1885 | skb = __hci_cmd_sync(hdev, HCI_OP_READ_BD_ADDR, 0, NULL, | |
1886 | HCI_INIT_TIMEOUT); | |
1887 | if (IS_ERR(skb)) { | |
1888 | ret = PTR_ERR(skb); | |
1889 | BT_ERR("%s: HCI_OP_READ_BD_ADDR failed (%ld)", | |
89e7533d | 1890 | hdev->name, ret); |
c8abb73f MH |
1891 | goto done; |
1892 | } | |
1893 | ||
1894 | if (skb->len != sizeof(*bda)) { | |
1895 | BT_ERR("%s: HCI_OP_READ_BD_ADDR event length mismatch", | |
89e7533d | 1896 | hdev->name); |
c8abb73f MH |
1897 | kfree_skb(skb); |
1898 | ret = -EIO; | |
1899 | goto done; | |
1900 | } | |
1901 | ||
89e7533d | 1902 | bda = (struct hci_rp_read_bd_addr *)skb->data; |
c8abb73f MH |
1903 | if (bda->status) { |
1904 | BT_ERR("%s: HCI_OP_READ_BD_ADDR error status (%02x)", | |
1905 | hdev->name, bda->status); | |
1906 | kfree_skb(skb); | |
1907 | ret = -bt_to_errno(bda->status); | |
1908 | goto done; | |
1909 | } | |
1910 | ||
1911 | /* The address 00:20:70:02:A0:00 indicates a BCM20702A0 controller | |
1912 | * with no configured address. | |
1913 | */ | |
849e5086 | 1914 | if (!bacmp(&bda->bdaddr, BDADDR_BCM20702A0)) { |
c8abb73f MH |
1915 | BT_INFO("%s: BCM: using default device address (%pMR)", |
1916 | hdev->name, &bda->bdaddr); | |
849e5086 MH |
1917 | set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks); |
1918 | } | |
c8abb73f MH |
1919 | |
1920 | kfree_skb(skb); | |
1921 | ||
10d4c673 PG |
1922 | done: |
1923 | release_firmware(fw); | |
1924 | ||
1925 | return ret; | |
1926 | } | |
1927 | ||
abbaf50e MH |
1928 | static int btusb_set_bdaddr_bcm(struct hci_dev *hdev, const bdaddr_t *bdaddr) |
1929 | { | |
1930 | struct sk_buff *skb; | |
1931 | long ret; | |
1932 | ||
1933 | skb = __hci_cmd_sync(hdev, 0xfc01, 6, bdaddr, HCI_INIT_TIMEOUT); | |
1934 | if (IS_ERR(skb)) { | |
1935 | ret = PTR_ERR(skb); | |
1936 | BT_ERR("%s: BCM: Change address command failed (%ld)", | |
89e7533d | 1937 | hdev->name, ret); |
abbaf50e MH |
1938 | return ret; |
1939 | } | |
1940 | kfree_skb(skb); | |
1941 | ||
1942 | return 0; | |
1943 | } | |
1944 | ||
5e23b923 | 1945 | static int btusb_probe(struct usb_interface *intf, |
89e7533d | 1946 | const struct usb_device_id *id) |
5e23b923 MH |
1947 | { |
1948 | struct usb_endpoint_descriptor *ep_desc; | |
1949 | struct btusb_data *data; | |
1950 | struct hci_dev *hdev; | |
1951 | int i, err; | |
1952 | ||
1953 | BT_DBG("intf %p id %p", intf, id); | |
1954 | ||
cfeb4145 | 1955 | /* interface numbers are hardcoded in the spec */ |
5e23b923 MH |
1956 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
1957 | return -ENODEV; | |
1958 | ||
1959 | if (!id->driver_info) { | |
1960 | const struct usb_device_id *match; | |
89e7533d | 1961 | |
5e23b923 MH |
1962 | match = usb_match_id(intf, blacklist_table); |
1963 | if (match) | |
1964 | id = match; | |
1965 | } | |
1966 | ||
cfeb4145 MH |
1967 | if (id->driver_info == BTUSB_IGNORE) |
1968 | return -ENODEV; | |
1969 | ||
2d25f8b4 SL |
1970 | if (id->driver_info & BTUSB_ATH3012) { |
1971 | struct usb_device *udev = interface_to_usbdev(intf); | |
1972 | ||
1973 | /* Old firmware would otherwise let ath3k driver load | |
1974 | * patch and sysconfig files */ | |
1975 | if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001) | |
1976 | return -ENODEV; | |
1977 | } | |
1978 | ||
98921dbd | 1979 | data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL); |
5e23b923 MH |
1980 | if (!data) |
1981 | return -ENOMEM; | |
1982 | ||
1983 | for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) { | |
1984 | ep_desc = &intf->cur_altsetting->endpoint[i].desc; | |
1985 | ||
1986 | if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) { | |
1987 | data->intr_ep = ep_desc; | |
1988 | continue; | |
1989 | } | |
1990 | ||
1991 | if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) { | |
1992 | data->bulk_tx_ep = ep_desc; | |
1993 | continue; | |
1994 | } | |
1995 | ||
1996 | if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) { | |
1997 | data->bulk_rx_ep = ep_desc; | |
1998 | continue; | |
1999 | } | |
2000 | } | |
2001 | ||
98921dbd | 2002 | if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep) |
5e23b923 | 2003 | return -ENODEV; |
5e23b923 | 2004 | |
7a9d4020 MH |
2005 | data->cmdreq_type = USB_TYPE_CLASS; |
2006 | ||
5e23b923 | 2007 | data->udev = interface_to_usbdev(intf); |
5fbcd260 | 2008 | data->intf = intf; |
5e23b923 | 2009 | |
5e23b923 | 2010 | INIT_WORK(&data->work, btusb_work); |
7bee549e | 2011 | INIT_WORK(&data->waker, btusb_waker); |
803b5836 MH |
2012 | init_usb_anchor(&data->deferred); |
2013 | init_usb_anchor(&data->tx_anchor); | |
7bee549e | 2014 | spin_lock_init(&data->txlock); |
5e23b923 | 2015 | |
5e23b923 MH |
2016 | init_usb_anchor(&data->intr_anchor); |
2017 | init_usb_anchor(&data->bulk_anchor); | |
9bfa35fe | 2018 | init_usb_anchor(&data->isoc_anchor); |
803b5836 | 2019 | spin_lock_init(&data->rxlock); |
5e23b923 | 2020 | |
2cbd3f5c MH |
2021 | data->recv_bulk = btusb_recv_bulk; |
2022 | ||
5e23b923 | 2023 | hdev = hci_alloc_dev(); |
98921dbd | 2024 | if (!hdev) |
5e23b923 | 2025 | return -ENOMEM; |
5e23b923 | 2026 | |
c13854ce | 2027 | hdev->bus = HCI_USB; |
155961e8 | 2028 | hci_set_drvdata(hdev, data); |
5e23b923 MH |
2029 | |
2030 | data->hdev = hdev; | |
2031 | ||
2032 | SET_HCIDEV_DEV(hdev, &intf->dev); | |
2033 | ||
9f8f962c MH |
2034 | hdev->open = btusb_open; |
2035 | hdev->close = btusb_close; | |
2036 | hdev->flush = btusb_flush; | |
2037 | hdev->send = btusb_send_frame; | |
2038 | hdev->notify = btusb_notify; | |
2039 | ||
2040 | if (id->driver_info & BTUSB_BCM92035) | |
2041 | hdev->setup = btusb_setup_bcm92035; | |
5e23b923 | 2042 | |
abbaf50e | 2043 | if (id->driver_info & BTUSB_BCM_PATCHRAM) { |
10d4c673 | 2044 | hdev->setup = btusb_setup_bcm_patchram; |
abbaf50e | 2045 | hdev->set_bdaddr = btusb_set_bdaddr_bcm; |
27c3fbe0 | 2046 | set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks); |
abbaf50e | 2047 | } |
10d4c673 | 2048 | |
cb8d6597 | 2049 | if (id->driver_info & BTUSB_INTEL) { |
dffd30ee | 2050 | hdev->setup = btusb_setup_intel; |
cb8d6597 MH |
2051 | hdev->set_bdaddr = btusb_set_bdaddr_intel; |
2052 | } | |
dffd30ee | 2053 | |
ae8df494 AK |
2054 | if (id->driver_info & BTUSB_MARVELL) |
2055 | hdev->set_bdaddr = btusb_set_bdaddr_marvell; | |
2056 | ||
40df783d MH |
2057 | if (id->driver_info & BTUSB_INTEL_BOOT) |
2058 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2059 | ||
7a9d4020 | 2060 | /* Interface numbers are hardcoded in the specification */ |
9bfa35fe MH |
2061 | data->isoc = usb_ifnum_to_if(data->udev, 1); |
2062 | ||
7a9d4020 | 2063 | if (!reset) |
a6c511c6 | 2064 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
cfeb4145 MH |
2065 | |
2066 | if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) { | |
2067 | if (!disable_scofix) | |
2068 | set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks); | |
2069 | } | |
2070 | ||
9bfa35fe MH |
2071 | if (id->driver_info & BTUSB_BROKEN_ISOC) |
2072 | data->isoc = NULL; | |
2073 | ||
7a9d4020 MH |
2074 | if (id->driver_info & BTUSB_DIGIANSWER) { |
2075 | data->cmdreq_type = USB_TYPE_VENDOR; | |
a6c511c6 | 2076 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
7a9d4020 MH |
2077 | } |
2078 | ||
2079 | if (id->driver_info & BTUSB_CSR) { | |
2080 | struct usb_device *udev = data->udev; | |
81cac64b | 2081 | u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice); |
7a9d4020 MH |
2082 | |
2083 | /* Old firmware would otherwise execute USB reset */ | |
81cac64b | 2084 | if (bcdDevice < 0x117) |
a6c511c6 | 2085 | set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks); |
81cac64b MH |
2086 | |
2087 | /* Fake CSR devices with broken commands */ | |
2088 | if (bcdDevice <= 0x100) | |
2089 | hdev->setup = btusb_setup_csr; | |
7a9d4020 MH |
2090 | } |
2091 | ||
cfeb4145 | 2092 | if (id->driver_info & BTUSB_SNIFFER) { |
9bfa35fe | 2093 | struct usb_device *udev = data->udev; |
cfeb4145 | 2094 | |
7a9d4020 | 2095 | /* New sniffer firmware has crippled HCI interface */ |
cfeb4145 MH |
2096 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997) |
2097 | set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks); | |
2098 | } | |
2099 | ||
3a5ef20c MH |
2100 | if (id->driver_info & BTUSB_INTEL_BOOT) { |
2101 | /* A bug in the bootloader causes that interrupt interface is | |
2102 | * only enabled after receiving SetInterface(0, AltSetting=0). | |
2103 | */ | |
2104 | err = usb_set_interface(data->udev, 0, 0); | |
2105 | if (err < 0) { | |
2106 | BT_ERR("failed to set interface 0, alt 0 %d", err); | |
2107 | hci_free_dev(hdev); | |
2108 | return err; | |
2109 | } | |
2110 | } | |
2111 | ||
9bfa35fe MH |
2112 | if (data->isoc) { |
2113 | err = usb_driver_claim_interface(&btusb_driver, | |
89e7533d | 2114 | data->isoc, data); |
9bfa35fe MH |
2115 | if (err < 0) { |
2116 | hci_free_dev(hdev); | |
9bfa35fe MH |
2117 | return err; |
2118 | } | |
2119 | } | |
2120 | ||
5e23b923 MH |
2121 | err = hci_register_dev(hdev); |
2122 | if (err < 0) { | |
2123 | hci_free_dev(hdev); | |
5e23b923 MH |
2124 | return err; |
2125 | } | |
2126 | ||
2127 | usb_set_intfdata(intf, data); | |
2128 | ||
2129 | return 0; | |
2130 | } | |
2131 | ||
2132 | static void btusb_disconnect(struct usb_interface *intf) | |
2133 | { | |
2134 | struct btusb_data *data = usb_get_intfdata(intf); | |
2135 | struct hci_dev *hdev; | |
2136 | ||
2137 | BT_DBG("intf %p", intf); | |
2138 | ||
2139 | if (!data) | |
2140 | return; | |
2141 | ||
2142 | hdev = data->hdev; | |
5fbcd260 MH |
2143 | usb_set_intfdata(data->intf, NULL); |
2144 | ||
2145 | if (data->isoc) | |
2146 | usb_set_intfdata(data->isoc, NULL); | |
5e23b923 MH |
2147 | |
2148 | hci_unregister_dev(hdev); | |
2149 | ||
5fbcd260 MH |
2150 | if (intf == data->isoc) |
2151 | usb_driver_release_interface(&btusb_driver, data->intf); | |
2152 | else if (data->isoc) | |
2153 | usb_driver_release_interface(&btusb_driver, data->isoc); | |
2154 | ||
803b5836 | 2155 | btusb_free_frags(data); |
5e23b923 MH |
2156 | hci_free_dev(hdev); |
2157 | } | |
2158 | ||
7bee549e | 2159 | #ifdef CONFIG_PM |
6a88adf2 MH |
2160 | static int btusb_suspend(struct usb_interface *intf, pm_message_t message) |
2161 | { | |
2162 | struct btusb_data *data = usb_get_intfdata(intf); | |
2163 | ||
2164 | BT_DBG("intf %p", intf); | |
2165 | ||
2166 | if (data->suspend_count++) | |
2167 | return 0; | |
2168 | ||
7bee549e | 2169 | spin_lock_irq(&data->txlock); |
5b1b0b81 | 2170 | if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) { |
7bee549e ON |
2171 | set_bit(BTUSB_SUSPENDING, &data->flags); |
2172 | spin_unlock_irq(&data->txlock); | |
2173 | } else { | |
2174 | spin_unlock_irq(&data->txlock); | |
2175 | data->suspend_count--; | |
2176 | return -EBUSY; | |
2177 | } | |
2178 | ||
6a88adf2 MH |
2179 | cancel_work_sync(&data->work); |
2180 | ||
7bee549e | 2181 | btusb_stop_traffic(data); |
6a88adf2 MH |
2182 | usb_kill_anchored_urbs(&data->tx_anchor); |
2183 | ||
6a88adf2 MH |
2184 | return 0; |
2185 | } | |
2186 | ||
7bee549e ON |
2187 | static void play_deferred(struct btusb_data *data) |
2188 | { | |
2189 | struct urb *urb; | |
2190 | int err; | |
2191 | ||
2192 | while ((urb = usb_get_from_anchor(&data->deferred))) { | |
2193 | err = usb_submit_urb(urb, GFP_ATOMIC); | |
2194 | if (err < 0) | |
2195 | break; | |
2196 | ||
2197 | data->tx_in_flight++; | |
2198 | } | |
2199 | usb_scuttle_anchored_urbs(&data->deferred); | |
2200 | } | |
2201 | ||
6a88adf2 MH |
2202 | static int btusb_resume(struct usb_interface *intf) |
2203 | { | |
2204 | struct btusb_data *data = usb_get_intfdata(intf); | |
2205 | struct hci_dev *hdev = data->hdev; | |
7bee549e | 2206 | int err = 0; |
6a88adf2 MH |
2207 | |
2208 | BT_DBG("intf %p", intf); | |
2209 | ||
2210 | if (--data->suspend_count) | |
2211 | return 0; | |
2212 | ||
2213 | if (!test_bit(HCI_RUNNING, &hdev->flags)) | |
7bee549e | 2214 | goto done; |
6a88adf2 MH |
2215 | |
2216 | if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) { | |
2217 | err = btusb_submit_intr_urb(hdev, GFP_NOIO); | |
2218 | if (err < 0) { | |
2219 | clear_bit(BTUSB_INTR_RUNNING, &data->flags); | |
7bee549e | 2220 | goto failed; |
6a88adf2 MH |
2221 | } |
2222 | } | |
2223 | ||
2224 | if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) { | |
43c2e57f MH |
2225 | err = btusb_submit_bulk_urb(hdev, GFP_NOIO); |
2226 | if (err < 0) { | |
6a88adf2 | 2227 | clear_bit(BTUSB_BULK_RUNNING, &data->flags); |
7bee549e ON |
2228 | goto failed; |
2229 | } | |
2230 | ||
2231 | btusb_submit_bulk_urb(hdev, GFP_NOIO); | |
6a88adf2 MH |
2232 | } |
2233 | ||
2234 | if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) { | |
2235 | if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0) | |
2236 | clear_bit(BTUSB_ISOC_RUNNING, &data->flags); | |
2237 | else | |
2238 | btusb_submit_isoc_urb(hdev, GFP_NOIO); | |
2239 | } | |
2240 | ||
7bee549e ON |
2241 | spin_lock_irq(&data->txlock); |
2242 | play_deferred(data); | |
2243 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2244 | spin_unlock_irq(&data->txlock); | |
2245 | schedule_work(&data->work); | |
2246 | ||
6a88adf2 | 2247 | return 0; |
7bee549e ON |
2248 | |
2249 | failed: | |
2250 | usb_scuttle_anchored_urbs(&data->deferred); | |
2251 | done: | |
2252 | spin_lock_irq(&data->txlock); | |
2253 | clear_bit(BTUSB_SUSPENDING, &data->flags); | |
2254 | spin_unlock_irq(&data->txlock); | |
2255 | ||
2256 | return err; | |
6a88adf2 | 2257 | } |
7bee549e | 2258 | #endif |
6a88adf2 | 2259 | |
5e23b923 MH |
2260 | static struct usb_driver btusb_driver = { |
2261 | .name = "btusb", | |
2262 | .probe = btusb_probe, | |
2263 | .disconnect = btusb_disconnect, | |
7bee549e | 2264 | #ifdef CONFIG_PM |
6a88adf2 MH |
2265 | .suspend = btusb_suspend, |
2266 | .resume = btusb_resume, | |
7bee549e | 2267 | #endif |
5e23b923 | 2268 | .id_table = btusb_table, |
7bee549e | 2269 | .supports_autosuspend = 1, |
e1f12eb6 | 2270 | .disable_hub_initiated_lpm = 1, |
5e23b923 MH |
2271 | }; |
2272 | ||
93f1508c | 2273 | module_usb_driver(btusb_driver); |
5e23b923 | 2274 | |
cfeb4145 MH |
2275 | module_param(disable_scofix, bool, 0644); |
2276 | MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size"); | |
2277 | ||
2278 | module_param(force_scofix, bool, 0644); | |
2279 | MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size"); | |
2280 | ||
2281 | module_param(reset, bool, 0644); | |
2282 | MODULE_PARM_DESC(reset, "Send HCI reset command on initialization"); | |
2283 | ||
5e23b923 MH |
2284 | MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>"); |
2285 | MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION); | |
2286 | MODULE_VERSION(VERSION); | |
2287 | MODULE_LICENSE("GPL"); |