source: src/linux/universal/linux-4.4/drivers/bluetooth/ath3k.c @ 31662

Last change on this file since 31662 was 31662, checked in by brainslayer, 4 months ago

use new squashfs in all kernels

File size: 15.8 KB
Line 
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
53struct 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
61static 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(0x04CA, 0x3018) },
98        { USB_DEVICE(0x0930, 0x0219) },
99        { USB_DEVICE(0x0930, 0x021c) },
100        { USB_DEVICE(0x0930, 0x0220) },
101        { USB_DEVICE(0x0930, 0x0227) },
102        { USB_DEVICE(0x0b05, 0x17d0) },
103        { USB_DEVICE(0x0CF3, 0x0036) },
104        { USB_DEVICE(0x0CF3, 0x3004) },
105        { USB_DEVICE(0x0CF3, 0x3008) },
106        { USB_DEVICE(0x0CF3, 0x311D) },
107        { USB_DEVICE(0x0CF3, 0x311E) },
108        { USB_DEVICE(0x0CF3, 0x311F) },
109        { USB_DEVICE(0x0cf3, 0x3121) },
110        { USB_DEVICE(0x0CF3, 0x817a) },
111        { USB_DEVICE(0x0CF3, 0x817b) },
112        { USB_DEVICE(0x0cf3, 0xe003) },
113        { USB_DEVICE(0x0CF3, 0xE004) },
114        { USB_DEVICE(0x0CF3, 0xE005) },
115        { USB_DEVICE(0x0CF3, 0xE006) },
116        { USB_DEVICE(0x13d3, 0x3362) },
117        { USB_DEVICE(0x13d3, 0x3375) },
118        { USB_DEVICE(0x13d3, 0x3393) },
119        { USB_DEVICE(0x13d3, 0x3395) },
120        { USB_DEVICE(0x13d3, 0x3402) },
121        { USB_DEVICE(0x13d3, 0x3408) },
122        { USB_DEVICE(0x13d3, 0x3423) },
123        { USB_DEVICE(0x13d3, 0x3432) },
124        { USB_DEVICE(0x13d3, 0x3472) },
125        { USB_DEVICE(0x13d3, 0x3474) },
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
137MODULE_DEVICE_TABLE(usb, ath3k_table);
138
139#define BTUSB_ATH3012           0x80
140/* This table is to load patch and sysconfig files
141 * for AR3012 */
142static 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(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
165        { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
166        { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
167        { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
168        { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
169        { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
170        { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
171        { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
172        { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
173        { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
174        { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
175        { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
176        { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
177        { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
178        { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
179        { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
180        { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
181        { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
182        { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
183        { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
184        { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
185        { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
186        { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
187        { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
188        { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
189        { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
190        { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
191        { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
192        { USB_DEVICE(0x13d3, 0x3474), .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
207static int ath3k_load_firmware(struct usb_device *udev,
208                                const struct firmware *firmware)
209{
210        u8 *send_buf;
211        int err, pipe, len, size, sent = 0;
212        int count = firmware->size;
213
214        BT_DBG("udev %p", udev);
215
216        pipe = usb_sndctrlpipe(udev, 0);
217
218        send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
219        if (!send_buf) {
220                BT_ERR("Can't allocate memory chunk for firmware");
221                return -ENOMEM;
222        }
223
224        memcpy(send_buf, firmware->data, 20);
225        err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
226                              0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
227        if (err < 0) {
228                BT_ERR("Can't change to loading configuration err");
229                goto error;
230        }
231        sent += 20;
232        count -= 20;
233
234        pipe = usb_sndbulkpipe(udev, 0x02);
235
236        while (count) {
237                /* workaround the compatibility issue with xHCI controller*/
238                usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
239
240                size = min_t(uint, count, BULK_SIZE);
241                memcpy(send_buf, firmware->data + sent, size);
242
243                err = usb_bulk_msg(udev, pipe, send_buf, size,
244                                        &len, 3000);
245
246                if (err || (len != size)) {
247                        BT_ERR("Error in firmware loading err = %d,"
248                                "len = %d, size = %d", err, len, size);
249                        goto error;
250                }
251
252                sent  += size;
253                count -= size;
254        }
255
256error:
257        kfree(send_buf);
258        return err;
259}
260
261static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
262{
263        int ret, pipe = 0;
264        char *buf;
265
266        buf = kmalloc(sizeof(*buf), GFP_KERNEL);
267        if (!buf)
268                return -ENOMEM;
269
270        pipe = usb_rcvctrlpipe(udev, 0);
271        ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
272                              USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
273                              buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
274
275        *state = *buf;
276        kfree(buf);
277
278        return ret;
279}
280
281static int ath3k_get_version(struct usb_device *udev,
282                        struct ath3k_version *version)
283{
284        int ret, pipe = 0;
285        struct ath3k_version *buf;
286        const int size = sizeof(*buf);
287
288        buf = kmalloc(size, GFP_KERNEL);
289        if (!buf)
290                return -ENOMEM;
291
292        pipe = usb_rcvctrlpipe(udev, 0);
293        ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
294                              USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
295                              buf, size, USB_CTRL_SET_TIMEOUT);
296
297        memcpy(version, buf, size);
298        kfree(buf);
299
300        return ret;
301}
302
303static int ath3k_load_fwfile(struct usb_device *udev,
304                const struct firmware *firmware)
305{
306        u8 *send_buf;
307        int err, pipe, len, size, count, sent = 0;
308        int ret;
309
310        count = firmware->size;
311
312        send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
313        if (!send_buf) {
314                BT_ERR("Can't allocate memory chunk for firmware");
315                return -ENOMEM;
316        }
317
318        size = min_t(uint, count, FW_HDR_SIZE);
319        memcpy(send_buf, firmware->data, size);
320
321        pipe = usb_sndctrlpipe(udev, 0);
322        ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
323                        USB_TYPE_VENDOR, 0, 0, send_buf,
324                        size, USB_CTRL_SET_TIMEOUT);
325        if (ret < 0) {
326                BT_ERR("Can't change to loading configuration err");
327                kfree(send_buf);
328                return ret;
329        }
330
331        sent += size;
332        count -= size;
333
334        pipe = usb_sndbulkpipe(udev, 0x02);
335
336        while (count) {
337                /* workaround the compatibility issue with xHCI controller*/
338                usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
339
340                size = min_t(uint, count, BULK_SIZE);
341                memcpy(send_buf, firmware->data + sent, size);
342
343                err = usb_bulk_msg(udev, pipe, send_buf, size,
344                                        &len, 3000);
345                if (err || (len != size)) {
346                        BT_ERR("Error in firmware loading err = %d,"
347                                "len = %d, size = %d", err, len, size);
348                        kfree(send_buf);
349                        return err;
350                }
351                sent  += size;
352                count -= size;
353        }
354
355        kfree(send_buf);
356        return 0;
357}
358
359static int ath3k_switch_pid(struct usb_device *udev)
360{
361        int pipe = 0;
362
363        pipe = usb_sndctrlpipe(udev, 0);
364        return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
365                        USB_TYPE_VENDOR, 0, 0,
366                        NULL, 0, USB_CTRL_SET_TIMEOUT);
367}
368
369static int ath3k_set_normal_mode(struct usb_device *udev)
370{
371        unsigned char fw_state;
372        int pipe = 0, ret;
373
374        ret = ath3k_get_state(udev, &fw_state);
375        if (ret < 0) {
376                BT_ERR("Can't get state to change to normal mode err");
377                return ret;
378        }
379
380        if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
381                BT_DBG("firmware was already in normal mode");
382                return 0;
383        }
384
385        pipe = usb_sndctrlpipe(udev, 0);
386        return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
387                        USB_TYPE_VENDOR, 0, 0,
388                        NULL, 0, USB_CTRL_SET_TIMEOUT);
389}
390
391static int ath3k_load_patch(struct usb_device *udev)
392{
393        unsigned char fw_state;
394        char filename[ATH3K_NAME_LEN] = {0};
395        const struct firmware *firmware;
396        struct ath3k_version fw_version;
397        __u32 pt_rom_version, pt_build_version;
398        int ret;
399
400        ret = ath3k_get_state(udev, &fw_state);
401        if (ret < 0) {
402                BT_ERR("Can't get state to change to load ram patch err");
403                return ret;
404        }
405
406        if (fw_state & ATH3K_PATCH_UPDATE) {
407                BT_DBG("Patch was already downloaded");
408                return 0;
409        }
410
411        ret = ath3k_get_version(udev, &fw_version);
412        if (ret < 0) {
413                BT_ERR("Can't get version to change to load ram patch err");
414                return ret;
415        }
416
417        snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
418                 le32_to_cpu(fw_version.rom_version));
419
420        ret = request_firmware(&firmware, filename, &udev->dev);
421        if (ret < 0) {
422                BT_ERR("Patch file not found %s", filename);
423                return ret;
424        }
425
426        pt_rom_version = get_unaligned_le32(firmware->data +
427                                            firmware->size - 8);
428        pt_build_version = get_unaligned_le32(firmware->data +
429                                              firmware->size - 4);
430
431        if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
432            pt_build_version <= le32_to_cpu(fw_version.build_version)) {
433                BT_ERR("Patch file version did not match with firmware");
434                release_firmware(firmware);
435                return -EINVAL;
436        }
437
438        ret = ath3k_load_fwfile(udev, firmware);
439        release_firmware(firmware);
440
441        return ret;
442}
443
444static int ath3k_load_syscfg(struct usb_device *udev)
445{
446        unsigned char fw_state;
447        char filename[ATH3K_NAME_LEN] = {0};
448        const struct firmware *firmware;
449        struct ath3k_version fw_version;
450        int clk_value, ret;
451
452        ret = ath3k_get_state(udev, &fw_state);
453        if (ret < 0) {
454                BT_ERR("Can't get state to change to load configuration err");
455                return -EBUSY;
456        }
457
458        ret = ath3k_get_version(udev, &fw_version);
459        if (ret < 0) {
460                BT_ERR("Can't get version to change to load ram patch err");
461                return ret;
462        }
463
464        switch (fw_version.ref_clock) {
465
466        case ATH3K_XTAL_FREQ_26M:
467                clk_value = 26;
468                break;
469        case ATH3K_XTAL_FREQ_40M:
470                clk_value = 40;
471                break;
472        case ATH3K_XTAL_FREQ_19P2:
473                clk_value = 19;
474                break;
475        default:
476                clk_value = 0;
477                break;
478        }
479
480        snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
481                le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
482
483        ret = request_firmware(&firmware, filename, &udev->dev);
484        if (ret < 0) {
485                BT_ERR("Configuration file not found %s", filename);
486                return ret;
487        }
488
489        ret = ath3k_load_fwfile(udev, firmware);
490        release_firmware(firmware);
491
492        return ret;
493}
494
495static int ath3k_probe(struct usb_interface *intf,
496                        const struct usb_device_id *id)
497{
498        const struct firmware *firmware;
499        struct usb_device *udev = interface_to_usbdev(intf);
500        int ret;
501
502        BT_DBG("intf %p id %p", intf, id);
503
504        if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
505                return -ENODEV;
506
507        /* match device ID in ath3k blacklist table */
508        if (!id->driver_info) {
509                const struct usb_device_id *match;
510                match = usb_match_id(intf, ath3k_blist_tbl);
511                if (match)
512                        id = match;
513        }
514
515        /* load patch and sysconfig files for AR3012 */
516        if (id->driver_info & BTUSB_ATH3012) {
517
518                /* New firmware with patch and sysconfig files already loaded */
519                if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
520                        return -ENODEV;
521
522                ret = ath3k_load_patch(udev);
523                if (ret < 0) {
524                        BT_ERR("Loading patch file failed");
525                        return ret;
526                }
527                ret = ath3k_load_syscfg(udev);
528                if (ret < 0) {
529                        BT_ERR("Loading sysconfig file failed");
530                        return ret;
531                }
532                ret = ath3k_set_normal_mode(udev);
533                if (ret < 0) {
534                        BT_ERR("Set normal mode failed");
535                        return ret;
536                }
537                ath3k_switch_pid(udev);
538                return 0;
539        }
540
541        ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
542        if (ret < 0) {
543                if (ret == -ENOENT)
544                        BT_ERR("Firmware file \"%s\" not found",
545                                                        ATH3K_FIRMWARE);
546                else
547                        BT_ERR("Firmware file \"%s\" request failed (err=%d)",
548                                                        ATH3K_FIRMWARE, ret);
549                return ret;
550        }
551
552        ret = ath3k_load_firmware(udev, firmware);
553        release_firmware(firmware);
554
555        return ret;
556}
557
558static void ath3k_disconnect(struct usb_interface *intf)
559{
560        BT_DBG("ath3k_disconnect intf %p", intf);
561}
562
563static struct usb_driver ath3k_driver = {
564        .name           = "ath3k",
565        .probe          = ath3k_probe,
566        .disconnect     = ath3k_disconnect,
567        .id_table       = ath3k_table,
568        .disable_hub_initiated_lpm = 1,
569};
570
571module_usb_driver(ath3k_driver);
572
573MODULE_AUTHOR("Atheros Communications");
574MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
575MODULE_VERSION(VERSION);
576MODULE_LICENSE("GPL");
577MODULE_FIRMWARE(ATH3K_FIRMWARE);
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