3 * Generic Bluetooth USB driver
5 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
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.
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.
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
24 #include <linux/module.h>
25 #include <linux/usb.h>
26 #include <linux/firmware.h>
27 #include <asm/unaligned.h>
29 #include <net/bluetooth/bluetooth.h>
30 #include <net/bluetooth/hci_core.h>
38 static bool disable_scofix;
39 static bool force_scofix;
41 static bool reset = true;
43 static struct usb_driver btusb_driver;
45 #define BTUSB_IGNORE 0x01
46 #define BTUSB_DIGIANSWER 0x02
47 #define BTUSB_CSR 0x04
48 #define BTUSB_SNIFFER 0x08
49 #define BTUSB_BCM92035 0x10
50 #define BTUSB_BROKEN_ISOC 0x20
51 #define BTUSB_WRONG_SCO_MTU 0x40
52 #define BTUSB_ATH3012 0x80
53 #define BTUSB_INTEL 0x100
54 #define BTUSB_INTEL_BOOT 0x200
55 #define BTUSB_BCM_PATCHRAM 0x400
56 #define BTUSB_MARVELL 0x800
57 #define BTUSB_SWAVE 0x1000
58 #define BTUSB_INTEL_NEW 0x2000
59 #define BTUSB_AMP 0x4000
60 #define BTUSB_QCA_ROME 0x8000
61 #define BTUSB_BCM_APPLE 0x10000
62 #define BTUSB_REALTEK 0x20000
64 static const struct usb_device_id btusb_table[] = {
65 /* Generic Bluetooth USB device */
66 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
68 /* Generic Bluetooth AMP device */
69 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
71 /* Generic Bluetooth USB interface */
72 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
74 /* Apple-specific (Broadcom) devices */
75 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
76 .driver_info = BTUSB_BCM_APPLE },
78 /* MediaTek MT76x0E */
79 { USB_DEVICE(0x0e8d, 0x763f) },
81 /* Broadcom SoftSailing reporting vendor specific */
82 { USB_DEVICE(0x0a5c, 0x21e1) },
84 /* Apple MacBookPro 7,1 */
85 { USB_DEVICE(0x05ac, 0x8213) },
88 { USB_DEVICE(0x05ac, 0x8215) },
90 /* Apple MacBookPro6,2 */
91 { USB_DEVICE(0x05ac, 0x8218) },
93 /* Apple MacBookAir3,1, MacBookAir3,2 */
94 { USB_DEVICE(0x05ac, 0x821b) },
96 /* Apple MacBookAir4,1 */
97 { USB_DEVICE(0x05ac, 0x821f) },
99 /* Apple MacBookPro8,2 */
100 { USB_DEVICE(0x05ac, 0x821a) },
102 /* Apple MacMini5,1 */
103 { USB_DEVICE(0x05ac, 0x8281) },
105 /* AVM BlueFRITZ! USB v2.0 */
106 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
108 /* Bluetooth Ultraport Module from IBM */
109 { USB_DEVICE(0x04bf, 0x030a) },
111 /* ALPS Modules with non-standard id */
112 { USB_DEVICE(0x044e, 0x3001) },
113 { USB_DEVICE(0x044e, 0x3002) },
115 /* Ericsson with non-standard id */
116 { USB_DEVICE(0x0bdb, 0x1002) },
118 /* Canyon CN-BTU1 with HID interfaces */
119 { USB_DEVICE(0x0c10, 0x0000) },
121 /* Broadcom BCM20702A0 */
122 { USB_DEVICE(0x413c, 0x8197) },
124 /* Broadcom BCM20702B0 (Dynex/Insignia) */
125 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
127 /* Foxconn - Hon Hai */
128 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
129 .driver_info = BTUSB_BCM_PATCHRAM },
131 /* Lite-On Technology - Broadcom based */
132 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
133 .driver_info = BTUSB_BCM_PATCHRAM },
135 /* Broadcom devices with vendor specific id */
136 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
137 .driver_info = BTUSB_BCM_PATCHRAM },
139 /* ASUSTek Computer - Broadcom based */
140 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
141 .driver_info = BTUSB_BCM_PATCHRAM },
143 /* Belkin F8065bf - Broadcom based */
144 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
145 .driver_info = BTUSB_BCM_PATCHRAM },
147 /* IMC Networks - Broadcom based */
148 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
149 .driver_info = BTUSB_BCM_PATCHRAM },
151 /* Intel Bluetooth USB Bootloader (RAM module) */
152 { USB_DEVICE(0x8087, 0x0a5a),
153 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
155 { } /* Terminating entry */
158 MODULE_DEVICE_TABLE(usb, btusb_table);
160 static const struct usb_device_id blacklist_table[] = {
161 /* CSR BlueCore devices */
162 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
164 /* Broadcom BCM2033 without firmware */
165 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
167 /* Atheros 3011 with sflash firmware */
168 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
169 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
170 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
171 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
172 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
173 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
174 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
176 /* Atheros AR9285 Malbec with sflash firmware */
177 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
179 /* Atheros 3012 with sflash firmware */
180 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
181 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
182 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
183 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
184 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
185 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
186 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
187 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
188 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
189 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
190 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
191 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
192 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
193 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
194 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
195 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
196 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
197 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
198 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
199 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
200 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
201 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
202 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
203 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
204 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
205 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
206 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
207 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
208 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
209 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
210 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
211 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
212 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
213 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
214 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
215 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
216 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
217 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
218 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
219 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
220 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
222 /* Atheros AR5BBU12 with sflash firmware */
223 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
225 /* Atheros AR5BBU12 with sflash firmware */
226 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
227 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
229 /* QCA ROME chipset */
230 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
231 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
232 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
234 /* Broadcom BCM2035 */
235 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
236 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
237 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
239 /* Broadcom BCM2045 */
240 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
241 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
243 /* IBM/Lenovo ThinkPad with Broadcom chip */
244 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
245 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
247 /* HP laptop with Broadcom chip */
248 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
250 /* Dell laptop with Broadcom chip */
251 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
253 /* Dell Wireless 370 and 410 devices */
254 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
255 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
257 /* Belkin F8T012 and F8T013 devices */
258 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
259 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
261 /* Asus WL-BTD202 device */
262 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
264 /* Kensington Bluetooth USB adapter */
265 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
267 /* RTX Telecom based adapters with buggy SCO support */
268 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
269 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
271 /* CONWISE Technology based adapters with buggy SCO support */
272 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
274 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
275 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
277 /* Digianswer devices */
278 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
279 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
281 /* CSR BlueCore Bluetooth Sniffer */
282 { USB_DEVICE(0x0a12, 0x0002),
283 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
285 /* Frontline ComProbe Bluetooth Sniffer */
286 { USB_DEVICE(0x16d3, 0x0002),
287 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
289 /* Marvell Bluetooth devices */
290 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
291 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
293 /* Intel Bluetooth devices */
294 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
295 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
296 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
297 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
299 /* Other Intel Bluetooth devices */
300 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
301 .driver_info = BTUSB_IGNORE },
303 /* Realtek Bluetooth devices */
304 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
305 .driver_info = BTUSB_REALTEK },
307 /* Additional Realtek 8723AE Bluetooth devices */
308 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
309 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
311 /* Additional Realtek 8723BE Bluetooth devices */
312 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
313 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
314 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
315 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
316 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
318 /* Additional Realtek 8821AE Bluetooth devices */
319 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
320 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
321 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
322 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
323 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
325 /* Silicon Wave based devices */
326 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
328 { } /* Terminating entry */
331 #define BTUSB_MAX_ISOC_FRAMES 10
333 #define BTUSB_INTR_RUNNING 0
334 #define BTUSB_BULK_RUNNING 1
335 #define BTUSB_ISOC_RUNNING 2
336 #define BTUSB_SUSPENDING 3
337 #define BTUSB_DID_ISO_RESUME 4
338 #define BTUSB_BOOTLOADER 5
339 #define BTUSB_DOWNLOADING 6
340 #define BTUSB_FIRMWARE_LOADED 7
341 #define BTUSB_FIRMWARE_FAILED 8
342 #define BTUSB_BOOTING 9
343 #define BTUSB_RESET_RESUME 10
346 struct hci_dev *hdev;
347 struct usb_device *udev;
348 struct usb_interface *intf;
349 struct usb_interface *isoc;
353 struct work_struct work;
354 struct work_struct waker;
356 struct usb_anchor deferred;
357 struct usb_anchor tx_anchor;
361 struct usb_anchor intr_anchor;
362 struct usb_anchor bulk_anchor;
363 struct usb_anchor isoc_anchor;
366 struct sk_buff *evt_skb;
367 struct sk_buff *acl_skb;
368 struct sk_buff *sco_skb;
370 struct usb_endpoint_descriptor *intr_ep;
371 struct usb_endpoint_descriptor *bulk_tx_ep;
372 struct usb_endpoint_descriptor *bulk_rx_ep;
373 struct usb_endpoint_descriptor *isoc_tx_ep;
374 struct usb_endpoint_descriptor *isoc_rx_ep;
379 unsigned int sco_num;
383 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
384 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
386 int (*setup_on_usb)(struct hci_dev *hdev);
389 static inline void btusb_free_frags(struct btusb_data *data)
393 spin_lock_irqsave(&data->rxlock, flags);
395 kfree_skb(data->evt_skb);
396 data->evt_skb = NULL;
398 kfree_skb(data->acl_skb);
399 data->acl_skb = NULL;
401 kfree_skb(data->sco_skb);
402 data->sco_skb = NULL;
404 spin_unlock_irqrestore(&data->rxlock, flags);
407 static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
412 spin_lock(&data->rxlock);
419 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
425 bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
426 bt_cb(skb)->expect = HCI_EVENT_HDR_SIZE;
429 len = min_t(uint, bt_cb(skb)->expect, count);
430 memcpy(skb_put(skb, len), buffer, len);
434 bt_cb(skb)->expect -= len;
436 if (skb->len == HCI_EVENT_HDR_SIZE) {
437 /* Complete event header */
438 bt_cb(skb)->expect = hci_event_hdr(skb)->plen;
440 if (skb_tailroom(skb) < bt_cb(skb)->expect) {
449 if (bt_cb(skb)->expect == 0) {
451 data->recv_event(data->hdev, skb);
457 spin_unlock(&data->rxlock);
462 static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
467 spin_lock(&data->rxlock);
474 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
480 bt_cb(skb)->pkt_type = HCI_ACLDATA_PKT;
481 bt_cb(skb)->expect = HCI_ACL_HDR_SIZE;
484 len = min_t(uint, bt_cb(skb)->expect, count);
485 memcpy(skb_put(skb, len), buffer, len);
489 bt_cb(skb)->expect -= len;
491 if (skb->len == HCI_ACL_HDR_SIZE) {
492 __le16 dlen = hci_acl_hdr(skb)->dlen;
494 /* Complete ACL header */
495 bt_cb(skb)->expect = __le16_to_cpu(dlen);
497 if (skb_tailroom(skb) < bt_cb(skb)->expect) {
506 if (bt_cb(skb)->expect == 0) {
508 hci_recv_frame(data->hdev, skb);
514 spin_unlock(&data->rxlock);
519 static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
524 spin_lock(&data->rxlock);
531 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
537 bt_cb(skb)->pkt_type = HCI_SCODATA_PKT;
538 bt_cb(skb)->expect = HCI_SCO_HDR_SIZE;
541 len = min_t(uint, bt_cb(skb)->expect, count);
542 memcpy(skb_put(skb, len), buffer, len);
546 bt_cb(skb)->expect -= len;
548 if (skb->len == HCI_SCO_HDR_SIZE) {
549 /* Complete SCO header */
550 bt_cb(skb)->expect = hci_sco_hdr(skb)->dlen;
552 if (skb_tailroom(skb) < bt_cb(skb)->expect) {
561 if (bt_cb(skb)->expect == 0) {
563 hci_recv_frame(data->hdev, skb);
569 spin_unlock(&data->rxlock);
574 static void btusb_intr_complete(struct urb *urb)
576 struct hci_dev *hdev = urb->context;
577 struct btusb_data *data = hci_get_drvdata(hdev);
580 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
583 if (!test_bit(HCI_RUNNING, &hdev->flags))
586 if (urb->status == 0) {
587 hdev->stat.byte_rx += urb->actual_length;
589 if (btusb_recv_intr(data, urb->transfer_buffer,
590 urb->actual_length) < 0) {
591 BT_ERR("%s corrupted event packet", hdev->name);
594 } else if (urb->status == -ENOENT) {
595 /* Avoid suspend failed when usb_kill_urb */
599 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
602 usb_mark_last_busy(data->udev);
603 usb_anchor_urb(urb, &data->intr_anchor);
605 err = usb_submit_urb(urb, GFP_ATOMIC);
607 /* -EPERM: urb is being killed;
608 * -ENODEV: device got disconnected */
609 if (err != -EPERM && err != -ENODEV)
610 BT_ERR("%s urb %p failed to resubmit (%d)",
611 hdev->name, urb, -err);
612 usb_unanchor_urb(urb);
616 static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
618 struct btusb_data *data = hci_get_drvdata(hdev);
624 BT_DBG("%s", hdev->name);
629 urb = usb_alloc_urb(0, mem_flags);
633 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
635 buf = kmalloc(size, mem_flags);
641 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
643 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
644 btusb_intr_complete, hdev, data->intr_ep->bInterval);
646 urb->transfer_flags |= URB_FREE_BUFFER;
648 usb_anchor_urb(urb, &data->intr_anchor);
650 err = usb_submit_urb(urb, mem_flags);
652 if (err != -EPERM && err != -ENODEV)
653 BT_ERR("%s urb %p submission failed (%d)",
654 hdev->name, urb, -err);
655 usb_unanchor_urb(urb);
663 static void btusb_bulk_complete(struct urb *urb)
665 struct hci_dev *hdev = urb->context;
666 struct btusb_data *data = hci_get_drvdata(hdev);
669 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
672 if (!test_bit(HCI_RUNNING, &hdev->flags))
675 if (urb->status == 0) {
676 hdev->stat.byte_rx += urb->actual_length;
678 if (data->recv_bulk(data, urb->transfer_buffer,
679 urb->actual_length) < 0) {
680 BT_ERR("%s corrupted ACL packet", hdev->name);
683 } else if (urb->status == -ENOENT) {
684 /* Avoid suspend failed when usb_kill_urb */
688 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
691 usb_anchor_urb(urb, &data->bulk_anchor);
692 usb_mark_last_busy(data->udev);
694 err = usb_submit_urb(urb, GFP_ATOMIC);
696 /* -EPERM: urb is being killed;
697 * -ENODEV: device got disconnected */
698 if (err != -EPERM && err != -ENODEV)
699 BT_ERR("%s urb %p failed to resubmit (%d)",
700 hdev->name, urb, -err);
701 usb_unanchor_urb(urb);
705 static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
707 struct btusb_data *data = hci_get_drvdata(hdev);
711 int err, size = HCI_MAX_FRAME_SIZE;
713 BT_DBG("%s", hdev->name);
715 if (!data->bulk_rx_ep)
718 urb = usb_alloc_urb(0, mem_flags);
722 buf = kmalloc(size, mem_flags);
728 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
730 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
731 btusb_bulk_complete, hdev);
733 urb->transfer_flags |= URB_FREE_BUFFER;
735 usb_mark_last_busy(data->udev);
736 usb_anchor_urb(urb, &data->bulk_anchor);
738 err = usb_submit_urb(urb, mem_flags);
740 if (err != -EPERM && err != -ENODEV)
741 BT_ERR("%s urb %p submission failed (%d)",
742 hdev->name, urb, -err);
743 usb_unanchor_urb(urb);
751 static void btusb_isoc_complete(struct urb *urb)
753 struct hci_dev *hdev = urb->context;
754 struct btusb_data *data = hci_get_drvdata(hdev);
757 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
760 if (!test_bit(HCI_RUNNING, &hdev->flags))
763 if (urb->status == 0) {
764 for (i = 0; i < urb->number_of_packets; i++) {
765 unsigned int offset = urb->iso_frame_desc[i].offset;
766 unsigned int length = urb->iso_frame_desc[i].actual_length;
768 if (urb->iso_frame_desc[i].status)
771 hdev->stat.byte_rx += length;
773 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
775 BT_ERR("%s corrupted SCO packet", hdev->name);
779 } else if (urb->status == -ENOENT) {
780 /* Avoid suspend failed when usb_kill_urb */
784 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
787 usb_anchor_urb(urb, &data->isoc_anchor);
789 err = usb_submit_urb(urb, GFP_ATOMIC);
791 /* -EPERM: urb is being killed;
792 * -ENODEV: device got disconnected */
793 if (err != -EPERM && err != -ENODEV)
794 BT_ERR("%s urb %p failed to resubmit (%d)",
795 hdev->name, urb, -err);
796 usb_unanchor_urb(urb);
800 static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
804 BT_DBG("len %d mtu %d", len, mtu);
806 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
807 i++, offset += mtu, len -= mtu) {
808 urb->iso_frame_desc[i].offset = offset;
809 urb->iso_frame_desc[i].length = mtu;
812 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
813 urb->iso_frame_desc[i].offset = offset;
814 urb->iso_frame_desc[i].length = len;
818 urb->number_of_packets = i;
821 static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
823 struct btusb_data *data = hci_get_drvdata(hdev);
829 BT_DBG("%s", hdev->name);
831 if (!data->isoc_rx_ep)
834 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
838 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
839 BTUSB_MAX_ISOC_FRAMES;
841 buf = kmalloc(size, mem_flags);
847 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
849 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
850 hdev, data->isoc_rx_ep->bInterval);
852 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
854 __fill_isoc_descriptor(urb, size,
855 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
857 usb_anchor_urb(urb, &data->isoc_anchor);
859 err = usb_submit_urb(urb, mem_flags);
861 if (err != -EPERM && err != -ENODEV)
862 BT_ERR("%s urb %p submission failed (%d)",
863 hdev->name, urb, -err);
864 usb_unanchor_urb(urb);
872 static void btusb_tx_complete(struct urb *urb)
874 struct sk_buff *skb = urb->context;
875 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
876 struct btusb_data *data = hci_get_drvdata(hdev);
878 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
881 if (!test_bit(HCI_RUNNING, &hdev->flags))
885 hdev->stat.byte_tx += urb->transfer_buffer_length;
890 spin_lock(&data->txlock);
891 data->tx_in_flight--;
892 spin_unlock(&data->txlock);
894 kfree(urb->setup_packet);
899 static void btusb_isoc_tx_complete(struct urb *urb)
901 struct sk_buff *skb = urb->context;
902 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
904 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
907 if (!test_bit(HCI_RUNNING, &hdev->flags))
911 hdev->stat.byte_tx += urb->transfer_buffer_length;
916 kfree(urb->setup_packet);
921 static int btusb_open(struct hci_dev *hdev)
923 struct btusb_data *data = hci_get_drvdata(hdev);
926 BT_DBG("%s", hdev->name);
928 /* Patching USB firmware files prior to starting any URBs of HCI path
929 * It is more safe to use USB bulk channel for downloading USB patch
931 if (data->setup_on_usb) {
932 err = data->setup_on_usb(hdev);
937 err = usb_autopm_get_interface(data->intf);
941 data->intf->needs_remote_wakeup = 1;
943 if (test_and_set_bit(HCI_RUNNING, &hdev->flags))
946 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
949 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
953 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
955 usb_kill_anchored_urbs(&data->intr_anchor);
959 set_bit(BTUSB_BULK_RUNNING, &data->flags);
960 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
963 usb_autopm_put_interface(data->intf);
967 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
968 clear_bit(HCI_RUNNING, &hdev->flags);
969 usb_autopm_put_interface(data->intf);
973 static void btusb_stop_traffic(struct btusb_data *data)
975 usb_kill_anchored_urbs(&data->intr_anchor);
976 usb_kill_anchored_urbs(&data->bulk_anchor);
977 usb_kill_anchored_urbs(&data->isoc_anchor);
980 static int btusb_close(struct hci_dev *hdev)
982 struct btusb_data *data = hci_get_drvdata(hdev);
985 BT_DBG("%s", hdev->name);
987 if (!test_and_clear_bit(HCI_RUNNING, &hdev->flags))
990 cancel_work_sync(&data->work);
991 cancel_work_sync(&data->waker);
993 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
994 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
995 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
997 btusb_stop_traffic(data);
998 btusb_free_frags(data);
1000 err = usb_autopm_get_interface(data->intf);
1004 data->intf->needs_remote_wakeup = 0;
1005 usb_autopm_put_interface(data->intf);
1008 usb_scuttle_anchored_urbs(&data->deferred);
1012 static int btusb_flush(struct hci_dev *hdev)
1014 struct btusb_data *data = hci_get_drvdata(hdev);
1016 BT_DBG("%s", hdev->name);
1018 usb_kill_anchored_urbs(&data->tx_anchor);
1019 btusb_free_frags(data);
1024 static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
1026 struct btusb_data *data = hci_get_drvdata(hdev);
1027 struct usb_ctrlrequest *dr;
1031 urb = usb_alloc_urb(0, GFP_KERNEL);
1033 return ERR_PTR(-ENOMEM);
1035 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1038 return ERR_PTR(-ENOMEM);
1041 dr->bRequestType = data->cmdreq_type;
1042 dr->bRequest = data->cmdreq;
1045 dr->wLength = __cpu_to_le16(skb->len);
1047 pipe = usb_sndctrlpipe(data->udev, 0x00);
1049 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
1050 skb->data, skb->len, btusb_tx_complete, skb);
1052 skb->dev = (void *)hdev;
1057 static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1059 struct btusb_data *data = hci_get_drvdata(hdev);
1063 if (!data->bulk_tx_ep)
1064 return ERR_PTR(-ENODEV);
1066 urb = usb_alloc_urb(0, GFP_KERNEL);
1068 return ERR_PTR(-ENOMEM);
1070 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
1072 usb_fill_bulk_urb(urb, data->udev, pipe,
1073 skb->data, skb->len, btusb_tx_complete, skb);
1075 skb->dev = (void *)hdev;
1080 static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1082 struct btusb_data *data = hci_get_drvdata(hdev);
1086 if (!data->isoc_tx_ep)
1087 return ERR_PTR(-ENODEV);
1089 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1091 return ERR_PTR(-ENOMEM);
1093 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
1095 usb_fill_int_urb(urb, data->udev, pipe,
1096 skb->data, skb->len, btusb_isoc_tx_complete,
1097 skb, data->isoc_tx_ep->bInterval);
1099 urb->transfer_flags = URB_ISO_ASAP;
1101 __fill_isoc_descriptor(urb, skb->len,
1102 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
1104 skb->dev = (void *)hdev;
1109 static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1111 struct btusb_data *data = hci_get_drvdata(hdev);
1114 usb_anchor_urb(urb, &data->tx_anchor);
1116 err = usb_submit_urb(urb, GFP_KERNEL);
1118 if (err != -EPERM && err != -ENODEV)
1119 BT_ERR("%s urb %p submission failed (%d)",
1120 hdev->name, urb, -err);
1121 kfree(urb->setup_packet);
1122 usb_unanchor_urb(urb);
1124 usb_mark_last_busy(data->udev);
1131 static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1133 struct btusb_data *data = hci_get_drvdata(hdev);
1134 unsigned long flags;
1137 spin_lock_irqsave(&data->txlock, flags);
1138 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1140 data->tx_in_flight++;
1141 spin_unlock_irqrestore(&data->txlock, flags);
1144 return submit_tx_urb(hdev, urb);
1146 usb_anchor_urb(urb, &data->deferred);
1147 schedule_work(&data->waker);
1153 static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1157 BT_DBG("%s", hdev->name);
1159 if (!test_bit(HCI_RUNNING, &hdev->flags))
1162 switch (bt_cb(skb)->pkt_type) {
1163 case HCI_COMMAND_PKT:
1164 urb = alloc_ctrl_urb(hdev, skb);
1166 return PTR_ERR(urb);
1168 hdev->stat.cmd_tx++;
1169 return submit_or_queue_tx_urb(hdev, urb);
1171 case HCI_ACLDATA_PKT:
1172 urb = alloc_bulk_urb(hdev, skb);
1174 return PTR_ERR(urb);
1176 hdev->stat.acl_tx++;
1177 return submit_or_queue_tx_urb(hdev, urb);
1179 case HCI_SCODATA_PKT:
1180 if (hci_conn_num(hdev, SCO_LINK) < 1)
1183 urb = alloc_isoc_urb(hdev, skb);
1185 return PTR_ERR(urb);
1187 hdev->stat.sco_tx++;
1188 return submit_tx_urb(hdev, urb);
1194 static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1196 struct btusb_data *data = hci_get_drvdata(hdev);
1198 BT_DBG("%s evt %d", hdev->name, evt);
1200 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1201 data->sco_num = hci_conn_num(hdev, SCO_LINK);
1202 schedule_work(&data->work);
1206 static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
1208 struct btusb_data *data = hci_get_drvdata(hdev);
1209 struct usb_interface *intf = data->isoc;
1210 struct usb_endpoint_descriptor *ep_desc;
1216 err = usb_set_interface(data->udev, 1, altsetting);
1218 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
1222 data->isoc_altsetting = altsetting;
1224 data->isoc_tx_ep = NULL;
1225 data->isoc_rx_ep = NULL;
1227 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1228 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1230 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1231 data->isoc_tx_ep = ep_desc;
1235 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1236 data->isoc_rx_ep = ep_desc;
1241 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
1242 BT_ERR("%s invalid SCO descriptors", hdev->name);
1249 static void btusb_work(struct work_struct *work)
1251 struct btusb_data *data = container_of(work, struct btusb_data, work);
1252 struct hci_dev *hdev = data->hdev;
1256 if (data->sco_num > 0) {
1257 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
1258 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
1260 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1261 usb_kill_anchored_urbs(&data->isoc_anchor);
1265 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
1268 if (hdev->voice_setting & 0x0020) {
1269 static const int alts[3] = { 2, 4, 5 };
1271 new_alts = alts[data->sco_num - 1];
1273 new_alts = data->sco_num;
1276 if (data->isoc_altsetting != new_alts) {
1277 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1278 usb_kill_anchored_urbs(&data->isoc_anchor);
1280 /* When isochronous alternate setting needs to be
1281 * changed, because SCO connection has been added
1282 * or removed, a packet fragment may be left in the
1283 * reassembling state. This could lead to wrongly
1284 * assembled fragments.
1286 * Clear outstanding fragment when selecting a new
1287 * alternate setting.
1289 spin_lock(&data->rxlock);
1290 kfree_skb(data->sco_skb);
1291 data->sco_skb = NULL;
1292 spin_unlock(&data->rxlock);
1294 if (__set_isoc_interface(hdev, new_alts) < 0)
1298 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1299 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
1300 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1302 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
1305 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1306 usb_kill_anchored_urbs(&data->isoc_anchor);
1308 __set_isoc_interface(hdev, 0);
1309 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
1310 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
1314 static void btusb_waker(struct work_struct *work)
1316 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1319 err = usb_autopm_get_interface(data->intf);
1323 usb_autopm_put_interface(data->intf);
1326 static int btusb_setup_bcm92035(struct hci_dev *hdev)
1328 struct sk_buff *skb;
1331 BT_DBG("%s", hdev->name);
1333 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1335 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
1342 static int btusb_setup_csr(struct hci_dev *hdev)
1344 struct hci_rp_read_local_version *rp;
1345 struct sk_buff *skb;
1347 BT_DBG("%s", hdev->name);
1349 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1352 int err = PTR_ERR(skb);
1353 BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err);
1357 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
1358 BT_ERR("%s: CSR: Local version length mismatch", hdev->name);
1363 rp = (struct hci_rp_read_local_version *)skb->data;
1365 /* Detect controllers which aren't real CSR ones. */
1366 if (le16_to_cpu(rp->manufacturer) != 10 ||
1367 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
1368 /* Clear the reset quirk since this is not an actual
1369 * early Bluetooth 1.1 device from CSR.
1371 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
1373 /* These fake CSR controllers have all a broken
1374 * stored link key handling and so just disable it.
1376 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
1384 static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
1385 struct intel_version *ver)
1387 const struct firmware *fw;
1391 snprintf(fwname, sizeof(fwname),
1392 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1393 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1394 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1395 ver->fw_build_ww, ver->fw_build_yy);
1397 ret = request_firmware(&fw, fwname, &hdev->dev);
1399 if (ret == -EINVAL) {
1400 BT_ERR("%s Intel firmware file request failed (%d)",
1405 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1406 hdev->name, fwname, ret);
1408 /* If the correct firmware patch file is not found, use the
1409 * default firmware patch file instead
1411 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1412 ver->hw_platform, ver->hw_variant);
1413 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1414 BT_ERR("%s failed to open default Intel fw file: %s",
1415 hdev->name, fwname);
1420 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
1425 static int btusb_setup_intel_patching(struct hci_dev *hdev,
1426 const struct firmware *fw,
1427 const u8 **fw_ptr, int *disable_patch)
1429 struct sk_buff *skb;
1430 struct hci_command_hdr *cmd;
1431 const u8 *cmd_param;
1432 struct hci_event_hdr *evt = NULL;
1433 const u8 *evt_param = NULL;
1434 int remain = fw->size - (*fw_ptr - fw->data);
1436 /* The first byte indicates the types of the patch command or event.
1437 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1438 * in the current firmware buffer doesn't start with 0x01 or
1439 * the size of remain buffer is smaller than HCI command header,
1440 * the firmware file is corrupted and it should stop the patching
1443 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1444 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
1450 cmd = (struct hci_command_hdr *)(*fw_ptr);
1451 *fw_ptr += sizeof(*cmd);
1452 remain -= sizeof(*cmd);
1454 /* Ensure that the remain firmware data is long enough than the length
1455 * of command parameter. If not, the firmware file is corrupted.
1457 if (remain < cmd->plen) {
1458 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
1462 /* If there is a command that loads a patch in the firmware
1463 * file, then enable the patch upon success, otherwise just
1464 * disable the manufacturer mode, for example patch activation
1465 * is not required when the default firmware patch file is used
1466 * because there are no patch data to load.
1468 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1471 cmd_param = *fw_ptr;
1472 *fw_ptr += cmd->plen;
1473 remain -= cmd->plen;
1475 /* This reads the expected events when the above command is sent to the
1476 * device. Some vendor commands expects more than one events, for
1477 * example command status event followed by vendor specific event.
1478 * For this case, it only keeps the last expected event. so the command
1479 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1480 * last expected event.
1482 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1486 evt = (struct hci_event_hdr *)(*fw_ptr);
1487 *fw_ptr += sizeof(*evt);
1488 remain -= sizeof(*evt);
1490 if (remain < evt->plen) {
1491 BT_ERR("%s Intel fw corrupted: invalid evt len",
1496 evt_param = *fw_ptr;
1497 *fw_ptr += evt->plen;
1498 remain -= evt->plen;
1501 /* Every HCI commands in the firmware file has its correspond event.
1502 * If event is not found or remain is smaller than zero, the firmware
1503 * file is corrupted.
1505 if (!evt || !evt_param || remain < 0) {
1506 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
1510 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1511 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1513 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1514 hdev->name, cmd->opcode, PTR_ERR(skb));
1515 return PTR_ERR(skb);
1518 /* It ensures that the returned event matches the event data read from
1519 * the firmware file. At fist, it checks the length and then
1520 * the contents of the event.
1522 if (skb->len != evt->plen) {
1523 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
1524 le16_to_cpu(cmd->opcode));
1529 if (memcmp(skb->data, evt_param, evt->plen)) {
1530 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1531 hdev->name, le16_to_cpu(cmd->opcode));
1540 static int btusb_setup_intel(struct hci_dev *hdev)
1542 struct sk_buff *skb;
1543 const struct firmware *fw;
1546 struct intel_version *ver;
1548 const u8 mfg_enable[] = { 0x01, 0x00 };
1549 const u8 mfg_disable[] = { 0x00, 0x00 };
1550 const u8 mfg_reset_deactivate[] = { 0x00, 0x01 };
1551 const u8 mfg_reset_activate[] = { 0x00, 0x02 };
1553 BT_DBG("%s", hdev->name);
1555 /* The controller has a bug with the first HCI command sent to it
1556 * returning number of completed commands as zero. This would stall the
1557 * command processing in the Bluetooth core.
1559 * As a workaround, send HCI Reset command first which will reset the
1560 * number of completed commands and allow normal command processing
1563 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1565 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1566 hdev->name, PTR_ERR(skb));
1567 return PTR_ERR(skb);
1571 /* Read Intel specific controller version first to allow selection of
1572 * which firmware file to load.
1574 * The returned information are hardware variant and revision plus
1575 * firmware variant, revision and build number.
1577 skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
1579 BT_ERR("%s reading Intel fw version command failed (%ld)",
1580 hdev->name, PTR_ERR(skb));
1581 return PTR_ERR(skb);
1584 if (skb->len != sizeof(*ver)) {
1585 BT_ERR("%s Intel version event length mismatch", hdev->name);
1590 ver = (struct intel_version *)skb->data;
1592 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1593 hdev->name, ver->hw_platform, ver->hw_variant,
1594 ver->hw_revision, ver->fw_variant, ver->fw_revision,
1595 ver->fw_build_num, ver->fw_build_ww, ver->fw_build_yy,
1598 /* fw_patch_num indicates the version of patch the device currently
1599 * have. If there is no patch data in the device, it is always 0x00.
1600 * So, if it is other than 0x00, no need to patch the device again.
1602 if (ver->fw_patch_num) {
1603 BT_INFO("%s: Intel device is already patched. patch num: %02x",
1604 hdev->name, ver->fw_patch_num);
1606 btintel_check_bdaddr(hdev);
1610 /* Opens the firmware patch file based on the firmware version read
1611 * from the controller. If it fails to open the matching firmware
1612 * patch file, it tries to open the default firmware patch file.
1613 * If no patch file is found, allow the device to operate without
1616 fw = btusb_setup_intel_get_fw(hdev, ver);
1619 btintel_check_bdaddr(hdev);
1626 /* This Intel specific command enables the manufacturer mode of the
1629 * Only while this mode is enabled, the driver can download the
1630 * firmware patch data and configuration parameters.
1632 skb = __hci_cmd_sync(hdev, 0xfc11, 2, mfg_enable, HCI_INIT_TIMEOUT);
1634 BT_ERR("%s entering Intel manufacturer mode failed (%ld)",
1635 hdev->name, PTR_ERR(skb));
1636 release_firmware(fw);
1637 return PTR_ERR(skb);
1644 /* The firmware data file consists of list of Intel specific HCI
1645 * commands and its expected events. The first byte indicates the
1646 * type of the message, either HCI command or HCI event.
1648 * It reads the command and its expected event from the firmware file,
1649 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1650 * the returned event is compared with the event read from the firmware
1651 * file and it will continue until all the messages are downloaded to
1654 * Once the firmware patching is completed successfully,
1655 * the manufacturer mode is disabled with reset and activating the
1658 * If the firmware patching fails, the manufacturer mode is
1659 * disabled with reset and deactivating the patch.
1661 * If the default patch file is used, no reset is done when disabling
1664 while (fw->size > fw_ptr - fw->data) {
1667 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1670 goto exit_mfg_deactivate;
1673 release_firmware(fw);
1676 goto exit_mfg_disable;
1678 /* Patching completed successfully and disable the manufacturer mode
1679 * with reset and activate the downloaded firmware patches.
1681 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_activate),
1682 mfg_reset_activate, HCI_INIT_TIMEOUT);
1684 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1685 hdev->name, PTR_ERR(skb));
1686 return PTR_ERR(skb);
1690 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1693 btintel_check_bdaddr(hdev);
1697 /* Disable the manufacturer mode without reset */
1698 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_disable), mfg_disable,
1701 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1702 hdev->name, PTR_ERR(skb));
1703 return PTR_ERR(skb);
1707 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
1709 btintel_check_bdaddr(hdev);
1712 exit_mfg_deactivate:
1713 release_firmware(fw);
1715 /* Patching failed. Disable the manufacturer mode with reset and
1716 * deactivate the downloaded firmware patches.
1718 skb = __hci_cmd_sync(hdev, 0xfc11, sizeof(mfg_reset_deactivate),
1719 mfg_reset_deactivate, HCI_INIT_TIMEOUT);
1721 BT_ERR("%s exiting Intel manufacturer mode failed (%ld)",
1722 hdev->name, PTR_ERR(skb));
1723 return PTR_ERR(skb);
1727 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1730 btintel_check_bdaddr(hdev);
1734 static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1736 struct sk_buff *skb;
1737 struct hci_event_hdr *hdr;
1738 struct hci_ev_cmd_complete *evt;
1740 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC);
1744 hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr));
1745 hdr->evt = HCI_EV_CMD_COMPLETE;
1746 hdr->plen = sizeof(*evt) + 1;
1748 evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt));
1750 evt->opcode = cpu_to_le16(opcode);
1752 *skb_put(skb, 1) = 0x00;
1754 bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
1756 return hci_recv_frame(hdev, skb);
1759 static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
1762 /* When the device is in bootloader mode, then it can send
1763 * events via the bulk endpoint. These events are treated the
1764 * same way as the ones received from the interrupt endpoint.
1766 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
1767 return btusb_recv_intr(data, buffer, count);
1769 return btusb_recv_bulk(data, buffer, count);
1772 static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
1775 const struct intel_bootup *evt = ptr;
1777 if (len != sizeof(*evt))
1780 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) {
1781 smp_mb__after_atomic();
1782 wake_up_bit(&data->flags, BTUSB_BOOTING);
1786 static void btusb_intel_secure_send_result(struct btusb_data *data,
1787 const void *ptr, unsigned int len)
1789 const struct intel_secure_send_result *evt = ptr;
1791 if (len != sizeof(*evt))
1795 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
1797 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
1798 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) {
1799 smp_mb__after_atomic();
1800 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
1804 static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
1806 struct btusb_data *data = hci_get_drvdata(hdev);
1808 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1809 struct hci_event_hdr *hdr = (void *)skb->data;
1811 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
1813 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
1814 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
1816 switch (skb->data[2]) {
1818 /* When switching to the operational firmware
1819 * the device sends a vendor specific event
1820 * indicating that the bootup completed.
1822 btusb_intel_bootup(data, ptr, len);
1825 /* When the firmware loading completes the
1826 * device sends out a vendor specific event
1827 * indicating the result of the firmware
1830 btusb_intel_secure_send_result(data, ptr, len);
1836 return hci_recv_frame(hdev, skb);
1839 static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
1841 struct btusb_data *data = hci_get_drvdata(hdev);
1844 BT_DBG("%s", hdev->name);
1846 if (!test_bit(HCI_RUNNING, &hdev->flags))
1849 switch (bt_cb(skb)->pkt_type) {
1850 case HCI_COMMAND_PKT:
1851 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1852 struct hci_command_hdr *cmd = (void *)skb->data;
1853 __u16 opcode = le16_to_cpu(cmd->opcode);
1855 /* When in bootloader mode and the command 0xfc09
1856 * is received, it needs to be send down the
1857 * bulk endpoint. So allocate a bulk URB instead.
1859 if (opcode == 0xfc09)
1860 urb = alloc_bulk_urb(hdev, skb);
1862 urb = alloc_ctrl_urb(hdev, skb);
1864 /* When the 0xfc01 command is issued to boot into
1865 * the operational firmware, it will actually not
1866 * send a command complete event. To keep the flow
1867 * control working inject that event here.
1869 if (opcode == 0xfc01)
1870 inject_cmd_complete(hdev, opcode);
1872 urb = alloc_ctrl_urb(hdev, skb);
1875 return PTR_ERR(urb);
1877 hdev->stat.cmd_tx++;
1878 return submit_or_queue_tx_urb(hdev, urb);
1880 case HCI_ACLDATA_PKT:
1881 urb = alloc_bulk_urb(hdev, skb);
1883 return PTR_ERR(urb);
1885 hdev->stat.acl_tx++;
1886 return submit_or_queue_tx_urb(hdev, urb);
1888 case HCI_SCODATA_PKT:
1889 if (hci_conn_num(hdev, SCO_LINK) < 1)
1892 urb = alloc_isoc_urb(hdev, skb);
1894 return PTR_ERR(urb);
1896 hdev->stat.sco_tx++;
1897 return submit_tx_urb(hdev, urb);
1903 static int btusb_setup_intel_new(struct hci_dev *hdev)
1905 static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01,
1906 0x00, 0x08, 0x04, 0x00 };
1907 struct btusb_data *data = hci_get_drvdata(hdev);
1908 struct sk_buff *skb;
1909 struct intel_version *ver;
1910 struct intel_boot_params *params;
1911 const struct firmware *fw;
1915 ktime_t calltime, delta, rettime;
1916 unsigned long long duration;
1919 BT_DBG("%s", hdev->name);
1921 calltime = ktime_get();
1923 /* Read the Intel version information to determine if the device
1924 * is in bootloader mode or if it already has operational firmware
1927 skb = __hci_cmd_sync(hdev, 0xfc05, 0, NULL, HCI_INIT_TIMEOUT);
1929 BT_ERR("%s: Reading Intel version information failed (%ld)",
1930 hdev->name, PTR_ERR(skb));
1931 return PTR_ERR(skb);
1934 if (skb->len != sizeof(*ver)) {
1935 BT_ERR("%s: Intel version event size mismatch", hdev->name);
1940 ver = (struct intel_version *)skb->data;
1942 /* The hardware platform number has a fixed value of 0x37 and
1943 * for now only accept this single value.
1945 if (ver->hw_platform != 0x37) {
1946 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
1947 hdev->name, ver->hw_platform);
1952 /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is
1953 * supported by this firmware loading method. This check has been
1954 * put in place to ensure correct forward compatibility options
1955 * when newer hardware variants come along.
1957 if (ver->hw_variant != 0x0b) {
1958 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
1959 hdev->name, ver->hw_variant);
1964 btintel_version_info(hdev, ver);
1966 /* The firmware variant determines if the device is in bootloader
1967 * mode or is running operational firmware. The value 0x06 identifies
1968 * the bootloader and the value 0x23 identifies the operational
1971 * When the operational firmware is already present, then only
1972 * the check for valid Bluetooth device address is needed. This
1973 * determines if the device will be added as configured or
1974 * unconfigured controller.
1976 * It is not possible to use the Secure Boot Parameters in this
1977 * case since that command is only available in bootloader mode.
1979 if (ver->fw_variant == 0x23) {
1981 clear_bit(BTUSB_BOOTLOADER, &data->flags);
1982 btintel_check_bdaddr(hdev);
1986 /* If the device is not in bootloader mode, then the only possible
1987 * choice is to return an error and abort the device initialization.
1989 if (ver->fw_variant != 0x06) {
1990 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
1991 hdev->name, ver->fw_variant);
1998 /* Read the secure boot parameters to identify the operating
1999 * details of the bootloader.
2001 skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT);
2003 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2004 hdev->name, PTR_ERR(skb));
2005 return PTR_ERR(skb);
2008 if (skb->len != sizeof(*params)) {
2009 BT_ERR("%s: Intel boot parameters size mismatch", hdev->name);
2014 params = (struct intel_boot_params *)skb->data;
2016 BT_INFO("%s: Device revision is %u", hdev->name,
2017 le16_to_cpu(params->dev_revid));
2019 BT_INFO("%s: Secure boot is %s", hdev->name,
2020 params->secure_boot ? "enabled" : "disabled");
2022 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name,
2023 params->min_fw_build_nn, params->min_fw_build_cw,
2024 2000 + params->min_fw_build_yy);
2026 /* It is required that every single firmware fragment is acknowledged
2027 * with a command complete event. If the boot parameters indicate
2028 * that this bootloader does not send them, then abort the setup.
2030 if (params->limited_cce != 0x00) {
2031 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2032 hdev->name, params->limited_cce);
2037 /* If the OTP has no valid Bluetooth device address, then there will
2038 * also be no valid address for the operational firmware.
2040 if (!bacmp(¶ms->otp_bdaddr, BDADDR_ANY)) {
2041 BT_INFO("%s: No device address configured", hdev->name);
2042 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2045 /* With this Intel bootloader only the hardware variant and device
2046 * revision information are used to select the right firmware.
2048 * Currently this bootloader support is limited to hardware variant
2049 * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b).
2051 snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi",
2052 le16_to_cpu(params->dev_revid));
2054 err = request_firmware(&fw, fwname, &hdev->dev);
2056 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2062 BT_INFO("%s: Found device firmware: %s", hdev->name, fwname);
2064 /* Save the DDC file name for later use to apply once the firmware
2065 * downloading is done.
2067 snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.ddc",
2068 le16_to_cpu(params->dev_revid));
2072 if (fw->size < 644) {
2073 BT_ERR("%s: Invalid size of firmware file (%zu)",
2074 hdev->name, fw->size);
2079 set_bit(BTUSB_DOWNLOADING, &data->flags);
2081 /* Start the firmware download transaction with the Init fragment
2082 * represented by the 128 bytes of CSS header.
2084 err = btintel_secure_send(hdev, 0x00, 128, fw->data);
2086 BT_ERR("%s: Failed to send firmware header (%d)",
2091 /* Send the 256 bytes of public key information from the firmware
2092 * as the PKey fragment.
2094 err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
2096 BT_ERR("%s: Failed to send firmware public key (%d)",
2101 /* Send the 256 bytes of signature information from the firmware
2102 * as the Sign fragment.
2104 err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
2106 BT_ERR("%s: Failed to send firmware signature (%d)",
2111 fw_ptr = fw->data + 644;
2114 while (fw_ptr - fw->data < fw->size) {
2115 struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len);
2117 frag_len += sizeof(*cmd) + cmd->plen;
2119 /* The parameter length of the secure send command requires
2120 * a 4 byte alignment. It happens so that the firmware file
2121 * contains proper Intel_NOP commands to align the fragments
2124 * Send set of commands with 4 byte alignment from the
2125 * firmware data buffer as a single Data fragement.
2127 if (!(frag_len % 4)) {
2128 err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
2130 BT_ERR("%s: Failed to send firmware data (%d)",
2140 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2142 BT_INFO("%s: Waiting for firmware download to complete", hdev->name);
2144 /* Before switching the device into operational mode and with that
2145 * booting the loaded firmware, wait for the bootloader notification
2146 * that all fragments have been successfully received.
2148 * When the event processing receives the notification, then the
2149 * BTUSB_DOWNLOADING flag will be cleared.
2151 * The firmware loading should not take longer than 5 seconds
2152 * and thus just timeout if that happens and fail the setup
2155 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2157 msecs_to_jiffies(5000));
2159 BT_ERR("%s: Firmware loading interrupted", hdev->name);
2165 BT_ERR("%s: Firmware loading timeout", hdev->name);
2170 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
2171 BT_ERR("%s: Firmware loading failed", hdev->name);
2176 rettime = ktime_get();
2177 delta = ktime_sub(rettime, calltime);
2178 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2180 BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration);
2183 release_firmware(fw);
2188 calltime = ktime_get();
2190 set_bit(BTUSB_BOOTING, &data->flags);
2192 skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param,
2195 return PTR_ERR(skb);
2199 /* The bootloader will not indicate when the device is ready. This
2200 * is done by the operational firmware sending bootup notification.
2202 * Booting into operational firmware should not take longer than
2203 * 1 second. However if that happens, then just fail the setup
2204 * since something went wrong.
2206 BT_INFO("%s: Waiting for device to boot", hdev->name);
2208 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2210 msecs_to_jiffies(1000));
2213 BT_ERR("%s: Device boot interrupted", hdev->name);
2218 BT_ERR("%s: Device boot timeout", hdev->name);
2222 rettime = ktime_get();
2223 delta = ktime_sub(rettime, calltime);
2224 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2226 BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration);
2228 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2230 /* Once the device is running in operational mode, it needs to apply
2231 * the device configuration (DDC) parameters.
2233 * The device can work without DDC parameters, so even if it fails
2234 * to load the file, no need to fail the setup.
2236 btintel_load_ddc_config(hdev, fwname);
2241 static int btusb_shutdown_intel(struct hci_dev *hdev)
2243 struct sk_buff *skb;
2246 /* Some platforms have an issue with BT LED when the interface is
2247 * down or BT radio is turned off, which takes 5 seconds to BT LED
2248 * goes off. This command turns off the BT LED immediately.
2250 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2253 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2262 static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
2263 const bdaddr_t *bdaddr)
2265 struct sk_buff *skb;
2270 buf[1] = sizeof(bdaddr_t);
2271 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
2273 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2276 BT_ERR("%s: changing Marvell device address failed (%ld)",
2285 static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
2286 const bdaddr_t *bdaddr)
2288 struct sk_buff *skb;
2295 buf[3] = sizeof(bdaddr_t);
2296 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
2298 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2301 BT_ERR("%s: Change address command failed (%ld)",
2310 #define QCA_DFU_PACKET_LEN 4096
2312 #define QCA_GET_TARGET_VERSION 0x09
2313 #define QCA_CHECK_STATUS 0x05
2314 #define QCA_DFU_DOWNLOAD 0x01
2316 #define QCA_SYSCFG_UPDATED 0x40
2317 #define QCA_PATCH_UPDATED 0x80
2318 #define QCA_DFU_TIMEOUT 3000
2320 struct qca_version {
2322 __le32 patch_version;
2328 struct qca_rampatch_version {
2330 __le16 patch_version;
2333 struct qca_device_info {
2335 u8 rampatch_hdr; /* length of header in rampatch */
2336 u8 nvm_hdr; /* length of header in NVM */
2337 u8 ver_offset; /* offset of version structure in rampatch */
2340 static const struct qca_device_info qca_devices_table[] = {
2341 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2342 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
2343 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
2344 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2345 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2346 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2349 static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
2350 void *data, u16 size)
2352 struct btusb_data *btdata = hci_get_drvdata(hdev);
2353 struct usb_device *udev = btdata->udev;
2357 buf = kmalloc(size, GFP_KERNEL);
2361 /* Found some of USB hosts have IOT issues with ours so that we should
2362 * not wait until HCI layer is ready.
2364 pipe = usb_rcvctrlpipe(udev, 0);
2365 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
2366 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2368 BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err);
2372 memcpy(data, buf, size);
2380 static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
2381 const struct firmware *firmware,
2384 struct btusb_data *btdata = hci_get_drvdata(hdev);
2385 struct usb_device *udev = btdata->udev;
2386 size_t count, size, sent = 0;
2390 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
2394 count = firmware->size;
2396 size = min_t(size_t, count, hdr_size);
2397 memcpy(buf, firmware->data, size);
2399 /* USB patches should go down to controller through USB path
2400 * because binary format fits to go down through USB channel.
2401 * USB control path is for patching headers and USB bulk is for
2404 pipe = usb_sndctrlpipe(udev, 0);
2405 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
2406 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2408 BT_ERR("%s: Failed to send headers (%d)", hdev->name, err);
2416 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
2418 memcpy(buf, firmware->data + sent, size);
2420 pipe = usb_sndbulkpipe(udev, 0x02);
2421 err = usb_bulk_msg(udev, pipe, buf, size, &len,
2424 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2425 hdev->name, sent, firmware->size, err);
2430 BT_ERR("%s: Failed to get bulk buffer", hdev->name);
2444 static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
2445 struct qca_version *ver,
2446 const struct qca_device_info *info)
2448 struct qca_rampatch_version *rver;
2449 const struct firmware *fw;
2450 u32 ver_rom, ver_patch;
2451 u16 rver_rom, rver_patch;
2455 ver_rom = le32_to_cpu(ver->rom_version);
2456 ver_patch = le32_to_cpu(ver->patch_version);
2458 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
2460 err = request_firmware(&fw, fwname, &hdev->dev);
2462 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2463 hdev->name, fwname, err);
2467 BT_INFO("%s: using rampatch file: %s", hdev->name, fwname);
2469 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
2470 rver_rom = le16_to_cpu(rver->rom_version);
2471 rver_patch = le16_to_cpu(rver->patch_version);
2473 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
2474 "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom,
2477 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
2478 BT_ERR("%s: rampatch file version did not match with firmware",
2484 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
2487 release_firmware(fw);
2492 static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
2493 struct qca_version *ver,
2494 const struct qca_device_info *info)
2496 const struct firmware *fw;
2500 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
2501 le32_to_cpu(ver->rom_version));
2503 err = request_firmware(&fw, fwname, &hdev->dev);
2505 BT_ERR("%s: failed to request NVM file: %s (%d)",
2506 hdev->name, fwname, err);
2510 BT_INFO("%s: using NVM file: %s", hdev->name, fwname);
2512 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
2514 release_firmware(fw);
2519 static int btusb_setup_qca(struct hci_dev *hdev)
2521 const struct qca_device_info *info = NULL;
2522 struct qca_version ver;
2527 err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
2532 ver_rom = le32_to_cpu(ver.rom_version);
2533 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
2534 if (ver_rom == qca_devices_table[i].rom_version)
2535 info = &qca_devices_table[i];
2538 BT_ERR("%s: don't support firmware rome 0x%x", hdev->name,
2543 err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status,
2548 if (!(status & QCA_PATCH_UPDATED)) {
2549 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
2554 if (!(status & QCA_SYSCFG_UPDATED)) {
2555 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
2563 static int btusb_probe(struct usb_interface *intf,
2564 const struct usb_device_id *id)
2566 struct usb_endpoint_descriptor *ep_desc;
2567 struct btusb_data *data;
2568 struct hci_dev *hdev;
2571 BT_DBG("intf %p id %p", intf, id);
2573 /* interface numbers are hardcoded in the spec */
2574 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
2577 if (!id->driver_info) {
2578 const struct usb_device_id *match;
2580 match = usb_match_id(intf, blacklist_table);
2585 if (id->driver_info == BTUSB_IGNORE)
2588 if (id->driver_info & BTUSB_ATH3012) {
2589 struct usb_device *udev = interface_to_usbdev(intf);
2591 /* Old firmware would otherwise let ath3k driver load
2592 * patch and sysconfig files */
2593 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
2597 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
2601 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2602 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2604 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
2605 data->intr_ep = ep_desc;
2609 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2610 data->bulk_tx_ep = ep_desc;
2614 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2615 data->bulk_rx_ep = ep_desc;
2620 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
2623 if (id->driver_info & BTUSB_AMP) {
2624 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
2625 data->cmdreq = 0x2b;
2627 data->cmdreq_type = USB_TYPE_CLASS;
2628 data->cmdreq = 0x00;
2631 data->udev = interface_to_usbdev(intf);
2634 INIT_WORK(&data->work, btusb_work);
2635 INIT_WORK(&data->waker, btusb_waker);
2636 init_usb_anchor(&data->deferred);
2637 init_usb_anchor(&data->tx_anchor);
2638 spin_lock_init(&data->txlock);
2640 init_usb_anchor(&data->intr_anchor);
2641 init_usb_anchor(&data->bulk_anchor);
2642 init_usb_anchor(&data->isoc_anchor);
2643 spin_lock_init(&data->rxlock);
2645 if (id->driver_info & BTUSB_INTEL_NEW) {
2646 data->recv_event = btusb_recv_event_intel;
2647 data->recv_bulk = btusb_recv_bulk_intel;
2648 set_bit(BTUSB_BOOTLOADER, &data->flags);
2650 data->recv_event = hci_recv_frame;
2651 data->recv_bulk = btusb_recv_bulk;
2654 hdev = hci_alloc_dev();
2658 hdev->bus = HCI_USB;
2659 hci_set_drvdata(hdev, data);
2661 if (id->driver_info & BTUSB_AMP)
2662 hdev->dev_type = HCI_AMP;
2664 hdev->dev_type = HCI_BREDR;
2668 SET_HCIDEV_DEV(hdev, &intf->dev);
2670 hdev->open = btusb_open;
2671 hdev->close = btusb_close;
2672 hdev->flush = btusb_flush;
2673 hdev->send = btusb_send_frame;
2674 hdev->notify = btusb_notify;
2676 if (id->driver_info & BTUSB_BCM92035)
2677 hdev->setup = btusb_setup_bcm92035;
2679 #ifdef CONFIG_BT_HCIBTUSB_BCM
2680 if (id->driver_info & BTUSB_BCM_PATCHRAM) {
2681 hdev->setup = btbcm_setup_patchram;
2682 hdev->set_bdaddr = btbcm_set_bdaddr;
2685 if (id->driver_info & BTUSB_BCM_APPLE)
2686 hdev->setup = btbcm_setup_apple;
2689 if (id->driver_info & BTUSB_INTEL) {
2690 hdev->setup = btusb_setup_intel;
2691 hdev->shutdown = btusb_shutdown_intel;
2692 hdev->set_bdaddr = btintel_set_bdaddr;
2693 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
2694 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
2697 if (id->driver_info & BTUSB_INTEL_NEW) {
2698 hdev->send = btusb_send_frame_intel;
2699 hdev->setup = btusb_setup_intel_new;
2700 hdev->hw_error = btintel_hw_error;
2701 hdev->set_bdaddr = btintel_set_bdaddr;
2702 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
2705 if (id->driver_info & BTUSB_MARVELL)
2706 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
2708 if (id->driver_info & BTUSB_SWAVE) {
2709 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
2710 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
2713 if (id->driver_info & BTUSB_INTEL_BOOT)
2714 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
2716 if (id->driver_info & BTUSB_ATH3012) {
2717 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
2718 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
2719 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
2722 if (id->driver_info & BTUSB_QCA_ROME) {
2723 data->setup_on_usb = btusb_setup_qca;
2724 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
2727 #ifdef CONFIG_BT_HCIBTUSB_RTL
2728 if (id->driver_info & BTUSB_REALTEK) {
2729 hdev->setup = btrtl_setup_realtek;
2731 /* Realtek devices lose their updated firmware over suspend,
2732 * but the USB hub doesn't notice any status change.
2733 * Explicitly request a device reset on resume.
2735 set_bit(BTUSB_RESET_RESUME, &data->flags);
2739 if (id->driver_info & BTUSB_AMP) {
2740 /* AMP controllers do not support SCO packets */
2743 /* Interface numbers are hardcoded in the specification */
2744 data->isoc = usb_ifnum_to_if(data->udev, 1);
2748 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
2750 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
2751 if (!disable_scofix)
2752 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
2755 if (id->driver_info & BTUSB_BROKEN_ISOC)
2758 if (id->driver_info & BTUSB_DIGIANSWER) {
2759 data->cmdreq_type = USB_TYPE_VENDOR;
2760 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
2763 if (id->driver_info & BTUSB_CSR) {
2764 struct usb_device *udev = data->udev;
2765 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
2767 /* Old firmware would otherwise execute USB reset */
2768 if (bcdDevice < 0x117)
2769 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
2771 /* Fake CSR devices with broken commands */
2772 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
2773 hdev->setup = btusb_setup_csr;
2775 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
2778 if (id->driver_info & BTUSB_SNIFFER) {
2779 struct usb_device *udev = data->udev;
2781 /* New sniffer firmware has crippled HCI interface */
2782 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
2783 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
2786 if (id->driver_info & BTUSB_INTEL_BOOT) {
2787 /* A bug in the bootloader causes that interrupt interface is
2788 * only enabled after receiving SetInterface(0, AltSetting=0).
2790 err = usb_set_interface(data->udev, 0, 0);
2792 BT_ERR("failed to set interface 0, alt 0 %d", err);
2799 err = usb_driver_claim_interface(&btusb_driver,
2807 err = hci_register_dev(hdev);
2813 usb_set_intfdata(intf, data);
2818 static void btusb_disconnect(struct usb_interface *intf)
2820 struct btusb_data *data = usb_get_intfdata(intf);
2821 struct hci_dev *hdev;
2823 BT_DBG("intf %p", intf);
2829 usb_set_intfdata(data->intf, NULL);
2832 usb_set_intfdata(data->isoc, NULL);
2834 hci_unregister_dev(hdev);
2836 if (intf == data->isoc)
2837 usb_driver_release_interface(&btusb_driver, data->intf);
2838 else if (data->isoc)
2839 usb_driver_release_interface(&btusb_driver, data->isoc);
2845 static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
2847 struct btusb_data *data = usb_get_intfdata(intf);
2849 BT_DBG("intf %p", intf);
2851 if (data->suspend_count++)
2854 spin_lock_irq(&data->txlock);
2855 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
2856 set_bit(BTUSB_SUSPENDING, &data->flags);
2857 spin_unlock_irq(&data->txlock);
2859 spin_unlock_irq(&data->txlock);
2860 data->suspend_count--;
2864 cancel_work_sync(&data->work);
2866 btusb_stop_traffic(data);
2867 usb_kill_anchored_urbs(&data->tx_anchor);
2869 /* Optionally request a device reset on resume, but only when
2870 * wakeups are disabled. If wakeups are enabled we assume the
2871 * device will stay powered up throughout suspend.
2873 if (test_bit(BTUSB_RESET_RESUME, &data->flags) &&
2874 !device_may_wakeup(&data->udev->dev))
2875 data->udev->reset_resume = 1;
2880 static void play_deferred(struct btusb_data *data)
2885 while ((urb = usb_get_from_anchor(&data->deferred))) {
2886 err = usb_submit_urb(urb, GFP_ATOMIC);
2890 data->tx_in_flight++;
2892 usb_scuttle_anchored_urbs(&data->deferred);
2895 static int btusb_resume(struct usb_interface *intf)
2897 struct btusb_data *data = usb_get_intfdata(intf);
2898 struct hci_dev *hdev = data->hdev;
2901 BT_DBG("intf %p", intf);
2903 if (--data->suspend_count)
2906 if (!test_bit(HCI_RUNNING, &hdev->flags))
2909 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
2910 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
2912 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
2917 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
2918 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
2920 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
2924 btusb_submit_bulk_urb(hdev, GFP_NOIO);
2927 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
2928 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
2929 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
2931 btusb_submit_isoc_urb(hdev, GFP_NOIO);
2934 spin_lock_irq(&data->txlock);
2935 play_deferred(data);
2936 clear_bit(BTUSB_SUSPENDING, &data->flags);
2937 spin_unlock_irq(&data->txlock);
2938 schedule_work(&data->work);
2943 usb_scuttle_anchored_urbs(&data->deferred);
2945 spin_lock_irq(&data->txlock);
2946 clear_bit(BTUSB_SUSPENDING, &data->flags);
2947 spin_unlock_irq(&data->txlock);
2953 static struct usb_driver btusb_driver = {
2955 .probe = btusb_probe,
2956 .disconnect = btusb_disconnect,
2958 .suspend = btusb_suspend,
2959 .resume = btusb_resume,
2961 .id_table = btusb_table,
2962 .supports_autosuspend = 1,
2963 .disable_hub_initiated_lpm = 1,
2966 module_usb_driver(btusb_driver);
2968 module_param(disable_scofix, bool, 0644);
2969 MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
2971 module_param(force_scofix, bool, 0644);
2972 MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
2974 module_param(reset, bool, 0644);
2975 MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
2977 MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
2978 MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
2979 MODULE_VERSION(VERSION);
2980 MODULE_LICENSE("GPL");