Version:  2.0.40 2.2.26 2.4.37 3.10 3.11 3.12 3.13 3.14 3.15 3.16 3.17 3.18 3.19 4.0 4.1 4.2 4.3 4.4 4.5 4.6 4.7

Linux/drivers/bluetooth/ath3k.c

  1 /*
  2  * Copyright (c) 2008-2009 Atheros Communications Inc.
  3  *
  4  *  This program is free software; you can redistribute it and/or modify
  5  *  it under the terms of the GNU General Public License as published by
  6  *  the Free Software Foundation; either version 2 of the License, or
  7  *  (at your option) any later version.
  8  *
  9  *  This program is distributed in the hope that it will be useful,
 10  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
 11  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 12  *  GNU General Public License for more details.
 13  *
 14  *  You should have received a copy of the GNU General Public License
 15  *  along with this program; if not, write to the Free Software
 16  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
 17  *
 18  */
 19 
 20 
 21 #include <linux/module.h>
 22 #include <linux/kernel.h>
 23 #include <linux/init.h>
 24 #include <linux/slab.h>
 25 #include <linux/types.h>
 26 #include <linux/errno.h>
 27 #include <linux/device.h>
 28 #include <linux/firmware.h>
 29 #include <linux/usb.h>
 30 #include <asm/unaligned.h>
 31 #include <net/bluetooth/bluetooth.h>
 32 
 33 #define VERSION "1.0"
 34 #define ATH3K_FIRMWARE  "ath3k-1.fw"
 35 
 36 #define ATH3K_DNLOAD                            0x01
 37 #define ATH3K_GETSTATE                          0x05
 38 #define ATH3K_SET_NORMAL_MODE                   0x07
 39 #define ATH3K_GETVERSION                        0x09
 40 #define USB_REG_SWITCH_VID_PID                  0x0a
 41 
 42 #define ATH3K_MODE_MASK                         0x3F
 43 #define ATH3K_NORMAL_MODE                       0x0E
 44 
 45 #define ATH3K_PATCH_UPDATE                      0x80
 46 #define ATH3K_SYSCFG_UPDATE                     0x40
 47 
 48 #define ATH3K_XTAL_FREQ_26M                     0x00
 49 #define ATH3K_XTAL_FREQ_40M                     0x01
 50 #define ATH3K_XTAL_FREQ_19P2                    0x02
 51 #define ATH3K_NAME_LEN                          0xFF
 52 
 53 struct ath3k_version {
 54         __le32  rom_version;
 55         __le32  build_version;
 56         __le32  ram_version;
 57         __u8    ref_clock;
 58         __u8    reserved[7];
 59 } __packed;
 60 
 61 static const struct usb_device_id ath3k_table[] = {
 62         /* Atheros AR3011 */
 63         { USB_DEVICE(0x0CF3, 0x3000) },
 64 
 65         /* Atheros AR3011 with sflash firmware*/
 66         { USB_DEVICE(0x0489, 0xE027) },
 67         { USB_DEVICE(0x0489, 0xE03D) },
 68         { USB_DEVICE(0x04F2, 0xAFF1) },
 69         { USB_DEVICE(0x0930, 0x0215) },
 70         { USB_DEVICE(0x0CF3, 0x3002) },
 71         { USB_DEVICE(0x0CF3, 0xE019) },
 72         { USB_DEVICE(0x13d3, 0x3304) },
 73 
 74         /* Atheros AR9285 Malbec with sflash firmware */
 75         { USB_DEVICE(0x03F0, 0x311D) },
 76 
 77         /* Atheros AR3012 with sflash firmware*/
 78         { USB_DEVICE(0x0489, 0xe04d) },
 79         { USB_DEVICE(0x0489, 0xe04e) },
 80         { USB_DEVICE(0x0489, 0xe057) },
 81         { USB_DEVICE(0x0489, 0xe056) },
 82         { USB_DEVICE(0x0489, 0xe05f) },
 83         { USB_DEVICE(0x0489, 0xe076) },
 84         { USB_DEVICE(0x0489, 0xe078) },
 85         { USB_DEVICE(0x0489, 0xe095) },
 86         { USB_DEVICE(0x04c5, 0x1330) },
 87         { USB_DEVICE(0x04CA, 0x3004) },
 88         { USB_DEVICE(0x04CA, 0x3005) },
 89         { USB_DEVICE(0x04CA, 0x3006) },
 90         { USB_DEVICE(0x04CA, 0x3007) },
 91         { USB_DEVICE(0x04CA, 0x3008) },
 92         { USB_DEVICE(0x04CA, 0x300b) },
 93         { USB_DEVICE(0x04CA, 0x300d) },
 94         { USB_DEVICE(0x04CA, 0x300f) },
 95         { USB_DEVICE(0x04CA, 0x3010) },
 96         { USB_DEVICE(0x04CA, 0x3014) },
 97         { USB_DEVICE(0x0930, 0x0219) },
 98         { USB_DEVICE(0x0930, 0x021c) },
 99         { USB_DEVICE(0x0930, 0x0220) },
100         { USB_DEVICE(0x0930, 0x0227) },
101         { USB_DEVICE(0x0b05, 0x17d0) },
102         { USB_DEVICE(0x0CF3, 0x0036) },
103         { USB_DEVICE(0x0CF3, 0x3004) },
104         { USB_DEVICE(0x0CF3, 0x3008) },
105         { USB_DEVICE(0x0CF3, 0x311D) },
106         { USB_DEVICE(0x0CF3, 0x311E) },
107         { USB_DEVICE(0x0CF3, 0x311F) },
108         { USB_DEVICE(0x0cf3, 0x3121) },
109         { USB_DEVICE(0x0CF3, 0x817a) },
110         { USB_DEVICE(0x0CF3, 0x817b) },
111         { USB_DEVICE(0x0cf3, 0xe003) },
112         { USB_DEVICE(0x0CF3, 0xE004) },
113         { USB_DEVICE(0x0CF3, 0xE005) },
114         { USB_DEVICE(0x0CF3, 0xE006) },
115         { USB_DEVICE(0x13d3, 0x3362) },
116         { USB_DEVICE(0x13d3, 0x3375) },
117         { USB_DEVICE(0x13d3, 0x3393) },
118         { USB_DEVICE(0x13d3, 0x3395) },
119         { USB_DEVICE(0x13d3, 0x3402) },
120         { USB_DEVICE(0x13d3, 0x3408) },
121         { USB_DEVICE(0x13d3, 0x3423) },
122         { USB_DEVICE(0x13d3, 0x3432) },
123         { USB_DEVICE(0x13d3, 0x3472) },
124         { USB_DEVICE(0x13d3, 0x3474) },
125         { USB_DEVICE(0x13d3, 0x3487) },
126 
127         /* Atheros AR5BBU12 with sflash firmware */
128         { USB_DEVICE(0x0489, 0xE02C) },
129 
130         /* Atheros AR5BBU22 with sflash firmware */
131         { USB_DEVICE(0x0489, 0xE036) },
132         { USB_DEVICE(0x0489, 0xE03C) },
133 
134         { }     /* Terminating entry */
135 };
136 
137 MODULE_DEVICE_TABLE(usb, ath3k_table);
138 
139 #define BTUSB_ATH3012           0x80
140 /* This table is to load patch and sysconfig files
141  * for AR3012 */
142 static const struct usb_device_id ath3k_blist_tbl[] = {
143 
144         /* Atheros AR3012 with sflash firmware*/
145         { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
146         { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
147         { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
148         { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
149         { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
150         { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
151         { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
152         { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
153         { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
154         { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
155         { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
156         { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
157         { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
158         { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
159         { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
160         { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
161         { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
162         { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
163         { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
164         { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
165         { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
166         { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
167         { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
168         { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
169         { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
170         { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
171         { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
172         { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
173         { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
174         { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
175         { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
176         { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
177         { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
178         { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
179         { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
180         { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
181         { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
182         { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
183         { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
184         { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
185         { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
186         { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
187         { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
188         { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
189         { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
190         { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
191         { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
192         { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
193 
194         /* Atheros AR5BBU22 with sflash firmware */
195         { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
196         { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
197 
198         { }     /* Terminating entry */
199 };
200 
201 #define USB_REQ_DFU_DNLOAD      1
202 #define BULK_SIZE               4096
203 #define FW_HDR_SIZE             20
204 #define TIMEGAP_USEC_MIN        50
205 #define TIMEGAP_USEC_MAX        100
206 
207 static int ath3k_load_firmware(struct usb_device *udev,
208                                 const struct firmware *firmware)
209 {
210         u8 *send_buf;
211         int len = 0;
212         int err, pipe, size, sent = 0;
213         int count = firmware->size;
214 
215         BT_DBG("udev %p", udev);
216 
217         pipe = usb_sndctrlpipe(udev, 0);
218 
219         send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
220         if (!send_buf) {
221                 BT_ERR("Can't allocate memory chunk for firmware");
222                 return -ENOMEM;
223         }
224 
225         memcpy(send_buf, firmware->data, 20);
226         err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
227                               0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
228         if (err < 0) {
229                 BT_ERR("Can't change to loading configuration err");
230                 goto error;
231         }
232         sent += 20;
233         count -= 20;
234 
235         pipe = usb_sndbulkpipe(udev, 0x02);
236 
237         while (count) {
238                 /* workaround the compatibility issue with xHCI controller*/
239                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
240 
241                 size = min_t(uint, count, BULK_SIZE);
242                 memcpy(send_buf, firmware->data + sent, size);
243 
244                 err = usb_bulk_msg(udev, pipe, send_buf, size,
245                                         &len, 3000);
246 
247                 if (err || (len != size)) {
248                         BT_ERR("Error in firmware loading err = %d,"
249                                 "len = %d, size = %d", err, len, size);
250                         goto error;
251                 }
252 
253                 sent  += size;
254                 count -= size;
255         }
256 
257 error:
258         kfree(send_buf);
259         return err;
260 }
261 
262 static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
263 {
264         int ret, pipe = 0;
265         char *buf;
266 
267         buf = kmalloc(sizeof(*buf), GFP_KERNEL);
268         if (!buf)
269                 return -ENOMEM;
270 
271         pipe = usb_rcvctrlpipe(udev, 0);
272         ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
273                               USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
274                               buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
275 
276         *state = *buf;
277         kfree(buf);
278 
279         return ret;
280 }
281 
282 static int ath3k_get_version(struct usb_device *udev,
283                         struct ath3k_version *version)
284 {
285         int ret, pipe = 0;
286         struct ath3k_version *buf;
287         const int size = sizeof(*buf);
288 
289         buf = kmalloc(size, GFP_KERNEL);
290         if (!buf)
291                 return -ENOMEM;
292 
293         pipe = usb_rcvctrlpipe(udev, 0);
294         ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
295                               USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
296                               buf, size, USB_CTRL_SET_TIMEOUT);
297 
298         memcpy(version, buf, size);
299         kfree(buf);
300 
301         return ret;
302 }
303 
304 static int ath3k_load_fwfile(struct usb_device *udev,
305                 const struct firmware *firmware)
306 {
307         u8 *send_buf;
308         int len = 0;
309         int err, pipe, size, count, sent = 0;
310         int ret;
311 
312         count = firmware->size;
313 
314         send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
315         if (!send_buf) {
316                 BT_ERR("Can't allocate memory chunk for firmware");
317                 return -ENOMEM;
318         }
319 
320         size = min_t(uint, count, FW_HDR_SIZE);
321         memcpy(send_buf, firmware->data, size);
322 
323         pipe = usb_sndctrlpipe(udev, 0);
324         ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
325                         USB_TYPE_VENDOR, 0, 0, send_buf,
326                         size, USB_CTRL_SET_TIMEOUT);
327         if (ret < 0) {
328                 BT_ERR("Can't change to loading configuration err");
329                 kfree(send_buf);
330                 return ret;
331         }
332 
333         sent += size;
334         count -= size;
335 
336         pipe = usb_sndbulkpipe(udev, 0x02);
337 
338         while (count) {
339                 /* workaround the compatibility issue with xHCI controller*/
340                 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
341 
342                 size = min_t(uint, count, BULK_SIZE);
343                 memcpy(send_buf, firmware->data + sent, size);
344 
345                 err = usb_bulk_msg(udev, pipe, send_buf, size,
346                                         &len, 3000);
347                 if (err || (len != size)) {
348                         BT_ERR("Error in firmware loading err = %d,"
349                                 "len = %d, size = %d", err, len, size);
350                         kfree(send_buf);
351                         return err;
352                 }
353                 sent  += size;
354                 count -= size;
355         }
356 
357         kfree(send_buf);
358         return 0;
359 }
360 
361 static int ath3k_switch_pid(struct usb_device *udev)
362 {
363         int pipe = 0;
364 
365         pipe = usb_sndctrlpipe(udev, 0);
366         return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
367                         USB_TYPE_VENDOR, 0, 0,
368                         NULL, 0, USB_CTRL_SET_TIMEOUT);
369 }
370 
371 static int ath3k_set_normal_mode(struct usb_device *udev)
372 {
373         unsigned char fw_state;
374         int pipe = 0, ret;
375 
376         ret = ath3k_get_state(udev, &fw_state);
377         if (ret < 0) {
378                 BT_ERR("Can't get state to change to normal mode err");
379                 return ret;
380         }
381 
382         if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
383                 BT_DBG("firmware was already in normal mode");
384                 return 0;
385         }
386 
387         pipe = usb_sndctrlpipe(udev, 0);
388         return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
389                         USB_TYPE_VENDOR, 0, 0,
390                         NULL, 0, USB_CTRL_SET_TIMEOUT);
391 }
392 
393 static int ath3k_load_patch(struct usb_device *udev)
394 {
395         unsigned char fw_state;
396         char filename[ATH3K_NAME_LEN] = {0};
397         const struct firmware *firmware;
398         struct ath3k_version fw_version;
399         __u32 pt_rom_version, pt_build_version;
400         int ret;
401 
402         ret = ath3k_get_state(udev, &fw_state);
403         if (ret < 0) {
404                 BT_ERR("Can't get state to change to load ram patch err");
405                 return ret;
406         }
407 
408         if (fw_state & ATH3K_PATCH_UPDATE) {
409                 BT_DBG("Patch was already downloaded");
410                 return 0;
411         }
412 
413         ret = ath3k_get_version(udev, &fw_version);
414         if (ret < 0) {
415                 BT_ERR("Can't get version to change to load ram patch err");
416                 return ret;
417         }
418 
419         snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
420                  le32_to_cpu(fw_version.rom_version));
421 
422         ret = request_firmware(&firmware, filename, &udev->dev);
423         if (ret < 0) {
424                 BT_ERR("Patch file not found %s", filename);
425                 return ret;
426         }
427 
428         pt_rom_version = get_unaligned_le32(firmware->data +
429                                             firmware->size - 8);
430         pt_build_version = get_unaligned_le32(firmware->data +
431                                               firmware->size - 4);
432 
433         if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
434             pt_build_version <= le32_to_cpu(fw_version.build_version)) {
435                 BT_ERR("Patch file version did not match with firmware");
436                 release_firmware(firmware);
437                 return -EINVAL;
438         }
439 
440         ret = ath3k_load_fwfile(udev, firmware);
441         release_firmware(firmware);
442 
443         return ret;
444 }
445 
446 static int ath3k_load_syscfg(struct usb_device *udev)
447 {
448         unsigned char fw_state;
449         char filename[ATH3K_NAME_LEN] = {0};
450         const struct firmware *firmware;
451         struct ath3k_version fw_version;
452         int clk_value, ret;
453 
454         ret = ath3k_get_state(udev, &fw_state);
455         if (ret < 0) {
456                 BT_ERR("Can't get state to change to load configuration err");
457                 return -EBUSY;
458         }
459 
460         ret = ath3k_get_version(udev, &fw_version);
461         if (ret < 0) {
462                 BT_ERR("Can't get version to change to load ram patch err");
463                 return ret;
464         }
465 
466         switch (fw_version.ref_clock) {
467 
468         case ATH3K_XTAL_FREQ_26M:
469                 clk_value = 26;
470                 break;
471         case ATH3K_XTAL_FREQ_40M:
472                 clk_value = 40;
473                 break;
474         case ATH3K_XTAL_FREQ_19P2:
475                 clk_value = 19;
476                 break;
477         default:
478                 clk_value = 0;
479                 break;
480         }
481 
482         snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
483                 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
484 
485         ret = request_firmware(&firmware, filename, &udev->dev);
486         if (ret < 0) {
487                 BT_ERR("Configuration file not found %s", filename);
488                 return ret;
489         }
490 
491         ret = ath3k_load_fwfile(udev, firmware);
492         release_firmware(firmware);
493 
494         return ret;
495 }
496 
497 static int ath3k_probe(struct usb_interface *intf,
498                         const struct usb_device_id *id)
499 {
500         const struct firmware *firmware;
501         struct usb_device *udev = interface_to_usbdev(intf);
502         int ret;
503 
504         BT_DBG("intf %p id %p", intf, id);
505 
506         if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
507                 return -ENODEV;
508 
509         /* match device ID in ath3k blacklist table */
510         if (!id->driver_info) {
511                 const struct usb_device_id *match;
512 
513                 match = usb_match_id(intf, ath3k_blist_tbl);
514                 if (match)
515                         id = match;
516         }
517 
518         /* load patch and sysconfig files for AR3012 */
519         if (id->driver_info & BTUSB_ATH3012) {
520 
521                 /* New firmware with patch and sysconfig files already loaded */
522                 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
523                         return -ENODEV;
524 
525                 ret = ath3k_load_patch(udev);
526                 if (ret < 0) {
527                         BT_ERR("Loading patch file failed");
528                         return ret;
529                 }
530                 ret = ath3k_load_syscfg(udev);
531                 if (ret < 0) {
532                         BT_ERR("Loading sysconfig file failed");
533                         return ret;
534                 }
535                 ret = ath3k_set_normal_mode(udev);
536                 if (ret < 0) {
537                         BT_ERR("Set normal mode failed");
538                         return ret;
539                 }
540                 ath3k_switch_pid(udev);
541                 return 0;
542         }
543 
544         ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
545         if (ret < 0) {
546                 if (ret == -ENOENT)
547                         BT_ERR("Firmware file \"%s\" not found",
548                                                         ATH3K_FIRMWARE);
549                 else
550                         BT_ERR("Firmware file \"%s\" request failed (err=%d)",
551                                                         ATH3K_FIRMWARE, ret);
552                 return ret;
553         }
554 
555         ret = ath3k_load_firmware(udev, firmware);
556         release_firmware(firmware);
557 
558         return ret;
559 }
560 
561 static void ath3k_disconnect(struct usb_interface *intf)
562 {
563         BT_DBG("ath3k_disconnect intf %p", intf);
564 }
565 
566 static struct usb_driver ath3k_driver = {
567         .name           = "ath3k",
568         .probe          = ath3k_probe,
569         .disconnect     = ath3k_disconnect,
570         .id_table       = ath3k_table,
571         .disable_hub_initiated_lpm = 1,
572 };
573 
574 module_usb_driver(ath3k_driver);
575 
576 MODULE_AUTHOR("Atheros Communications");
577 MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
578 MODULE_VERSION(VERSION);
579 MODULE_LICENSE("GPL");
580 MODULE_FIRMWARE(ATH3K_FIRMWARE);
581 

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