Bluetooth: Increment management interface revision
[deliverable/linux.git] / drivers / bluetooth / ath3k.c
CommitLineData
9670d80a
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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>
72dd2b2a 30#include <asm/unaligned.h>
9670d80a
VK
31#include <net/bluetooth/bluetooth.h>
32
33#define VERSION "1.0"
c3eae82a 34#define ATH3K_FIRMWARE "ath3k-1.fw"
9670d80a 35
d9f51b51
BS
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 {
72dd2b2a
MH
54 __le32 rom_version;
55 __le32 build_version;
56 __le32 ram_version;
57 __u8 ref_clock;
58 __u8 reserved[7];
59} __packed;
9670d80a 60
3932eb33 61static const struct usb_device_id ath3k_table[] = {
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VK
62 /* Atheros AR3011 */
63 { USB_DEVICE(0x0CF3, 0x3000) },
be93112a
BS
64
65 /* Atheros AR3011 with sflash firmware*/
0b880062
AS
66 { USB_DEVICE(0x0489, 0xE027) },
67 { USB_DEVICE(0x0489, 0xE03D) },
2eeff0b4 68 { USB_DEVICE(0x04F2, 0xAFF1) },
0b880062 69 { USB_DEVICE(0x0930, 0x0215) },
be93112a 70 { USB_DEVICE(0x0CF3, 0x3002) },
6eda541d 71 { USB_DEVICE(0x0CF3, 0xE019) },
2a7bcccc 72 { USB_DEVICE(0x13d3, 0x3304) },
be93112a 73
509e7861
CYC
74 /* Atheros AR9285 Malbec with sflash firmware */
75 { USB_DEVICE(0x03F0, 0x311D) },
d9f51b51
BS
76
77 /* Atheros AR3012 with sflash firmware*/
0b880062
AS
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) },
692c062e 83 { USB_DEVICE(0x0489, 0xe076) },
4b552bc9 84 { USB_DEVICE(0x0489, 0xe078) },
0b880062
AS
85 { USB_DEVICE(0x04c5, 0x1330) },
86 { USB_DEVICE(0x04CA, 0x3004) },
87 { USB_DEVICE(0x04CA, 0x3005) },
88 { USB_DEVICE(0x04CA, 0x3006) },
1fb4e09a 89 { USB_DEVICE(0x04CA, 0x3007) },
0b880062
AS
90 { USB_DEVICE(0x04CA, 0x3008) },
91 { USB_DEVICE(0x04CA, 0x300b) },
ec0810d2 92 { USB_DEVICE(0x04CA, 0x300f) },
134d3b35 93 { USB_DEVICE(0x04CA, 0x3010) },
0b880062
AS
94 { USB_DEVICE(0x0930, 0x0219) },
95 { USB_DEVICE(0x0930, 0x0220) },
89d2975f 96 { USB_DEVICE(0x0930, 0x0227) },
a735f9e2 97 { USB_DEVICE(0x0b05, 0x17d0) },
d66629c1 98 { USB_DEVICE(0x0CF3, 0x0036) },
d9f51b51 99 { USB_DEVICE(0x0CF3, 0x3004) },
94a32d10 100 { USB_DEVICE(0x0CF3, 0x3008) },
07c0ea87 101 { USB_DEVICE(0x0CF3, 0x311D) },
b131237c 102 { USB_DEVICE(0x0CF3, 0x311E) },
1e56f1eb 103 { USB_DEVICE(0x0CF3, 0x311F) },
0b880062 104 { USB_DEVICE(0x0cf3, 0x3121) },
ebaf5795 105 { USB_DEVICE(0x0CF3, 0x817a) },
0b880062 106 { USB_DEVICE(0x0cf3, 0xe003) },
ac71311e 107 { USB_DEVICE(0x0CF3, 0xE004) },
0a3658cc 108 { USB_DEVICE(0x0CF3, 0xE005) },
ca79f232 109 { USB_DEVICE(0x0CF3, 0xE006) },
0b880062
AS
110 { USB_DEVICE(0x13d3, 0x3362) },
111 { USB_DEVICE(0x13d3, 0x3375) },
eed307e2 112 { USB_DEVICE(0x13d3, 0x3393) },
5b77a1f3 113 { USB_DEVICE(0x13d3, 0x3402) },
3bb30a7c 114 { USB_DEVICE(0x13d3, 0x3408) },
033efa92 115 { USB_DEVICE(0x13d3, 0x3423) },
fa2f1394 116 { USB_DEVICE(0x13d3, 0x3432) },
0d0cef61 117 { USB_DEVICE(0x13d3, 0x3474) },
d9f51b51 118
e9036e33
CYC
119 /* Atheros AR5BBU12 with sflash firmware */
120 { USB_DEVICE(0x0489, 0xE02C) },
b67afe7f 121
85d59726 122 /* Atheros AR5BBU22 with sflash firmware */
bc21fde2 123 { USB_DEVICE(0x0489, 0xE036) },
0b880062 124 { USB_DEVICE(0x0489, 0xE03C) },
85d59726 125
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VK
126 { } /* Terminating entry */
127};
128
129MODULE_DEVICE_TABLE(usb, ath3k_table);
130
d9f51b51
BS
131#define BTUSB_ATH3012 0x80
132/* This table is to load patch and sysconfig files
133 * for AR3012 */
3932eb33 134static const struct usb_device_id ath3k_blist_tbl[] = {
d9f51b51
BS
135
136 /* Atheros AR3012 with sflash firmware*/
0b880062
AS
137 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
138 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
139 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
140 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
141 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
692c062e 142 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
4b552bc9 143 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
0b880062
AS
144 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
145 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
146 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
147 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
1fb4e09a 148 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
0b880062
AS
149 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
150 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
ec0810d2 151 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
134d3b35 152 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
0b880062
AS
153 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
154 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
89d2975f 155 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
a735f9e2 156 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
d66629c1 157 { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
d9f51b51 158 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
94a32d10 159 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
07c0ea87 160 { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
b131237c 161 { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
1e56f1eb 162 { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
0b880062 163 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
ebaf5795 164 { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
ac71311e 165 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
0a3658cc 166 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
ca79f232 167 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
0b880062
AS
168 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
169 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
170 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
eed307e2 171 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
5b77a1f3 172 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
3bb30a7c 173 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
033efa92 174 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
fa2f1394 175 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
0d0cef61 176 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
d9f51b51 177
85d59726 178 /* Atheros AR5BBU22 with sflash firmware */
bc21fde2 179 { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
0b880062 180 { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
85d59726 181
d9f51b51
BS
182 { } /* Terminating entry */
183};
184
9670d80a
VK
185#define USB_REQ_DFU_DNLOAD 1
186#define BULK_SIZE 4096
d9f51b51 187#define FW_HDR_SIZE 20
c561a575
AL
188#define TIMEGAP_USEC_MIN 50
189#define TIMEGAP_USEC_MAX 100
9670d80a 190
86e09287
AH
191static int ath3k_load_firmware(struct usb_device *udev,
192 const struct firmware *firmware)
9670d80a
VK
193{
194 u8 *send_buf;
195 int err, pipe, len, size, sent = 0;
86e09287 196 int count = firmware->size;
9670d80a 197
86e09287 198 BT_DBG("udev %p", udev);
9670d80a 199
86e09287 200 pipe = usb_sndctrlpipe(udev, 0);
9670d80a 201
52a1020e 202 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
86e09287
AH
203 if (!send_buf) {
204 BT_ERR("Can't allocate memory chunk for firmware");
205 return -ENOMEM;
206 }
207
208 memcpy(send_buf, firmware->data, 20);
a08b15e6
VI
209 err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
210 0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
211 if (err < 0) {
9670d80a 212 BT_ERR("Can't change to loading configuration err");
86e09287 213 goto error;
9670d80a
VK
214 }
215 sent += 20;
216 count -= 20;
217
3abb56de
AL
218 pipe = usb_sndbulkpipe(udev, 0x02);
219
9670d80a 220 while (count) {
c561a575
AL
221 /* workaround the compatibility issue with xHCI controller*/
222 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
223
9670d80a 224 size = min_t(uint, count, BULK_SIZE);
86e09287 225 memcpy(send_buf, firmware->data + sent, size);
9670d80a 226
86e09287 227 err = usb_bulk_msg(udev, pipe, send_buf, size,
9670d80a
VK
228 &len, 3000);
229
230 if (err || (len != size)) {
231 BT_ERR("Error in firmware loading err = %d,"
232 "len = %d, size = %d", err, len, size);
233 goto error;
234 }
235
236 sent += size;
237 count -= size;
238 }
239
9670d80a
VK
240error:
241 kfree(send_buf);
242 return err;
243}
244
d9f51b51
BS
245static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
246{
517828a8
SG
247 int ret, pipe = 0;
248 char *buf;
249
250 buf = kmalloc(sizeof(*buf), GFP_KERNEL);
251 if (!buf)
252 return -ENOMEM;
d9f51b51
BS
253
254 pipe = usb_rcvctrlpipe(udev, 0);
517828a8
SG
255 ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
256 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
257 buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
258
259 *state = *buf;
260 kfree(buf);
261
262 return ret;
d9f51b51
BS
263}
264
265static int ath3k_get_version(struct usb_device *udev,
266 struct ath3k_version *version)
267{
517828a8
SG
268 int ret, pipe = 0;
269 struct ath3k_version *buf;
270 const int size = sizeof(*buf);
271
272 buf = kmalloc(size, GFP_KERNEL);
273 if (!buf)
274 return -ENOMEM;
d9f51b51
BS
275
276 pipe = usb_rcvctrlpipe(udev, 0);
517828a8
SG
277 ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
278 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
279 buf, size, USB_CTRL_SET_TIMEOUT);
280
281 memcpy(version, buf, size);
282 kfree(buf);
283
284 return ret;
d9f51b51
BS
285}
286
287static int ath3k_load_fwfile(struct usb_device *udev,
288 const struct firmware *firmware)
289{
290 u8 *send_buf;
291 int err, pipe, len, size, count, sent = 0;
292 int ret;
293
294 count = firmware->size;
295
52a1020e 296 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
d9f51b51
BS
297 if (!send_buf) {
298 BT_ERR("Can't allocate memory chunk for firmware");
299 return -ENOMEM;
300 }
301
302 size = min_t(uint, count, FW_HDR_SIZE);
303 memcpy(send_buf, firmware->data, size);
304
305 pipe = usb_sndctrlpipe(udev, 0);
306 ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
307 USB_TYPE_VENDOR, 0, 0, send_buf,
308 size, USB_CTRL_SET_TIMEOUT);
309 if (ret < 0) {
310 BT_ERR("Can't change to loading configuration err");
311 kfree(send_buf);
312 return ret;
313 }
314
315 sent += size;
316 count -= size;
317
b0c3e138
AL
318 pipe = usb_sndbulkpipe(udev, 0x02);
319
d9f51b51 320 while (count) {
c561a575
AL
321 /* workaround the compatibility issue with xHCI controller*/
322 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
323
d9f51b51 324 size = min_t(uint, count, BULK_SIZE);
d9f51b51
BS
325 memcpy(send_buf, firmware->data + sent, size);
326
327 err = usb_bulk_msg(udev, pipe, send_buf, size,
328 &len, 3000);
329 if (err || (len != size)) {
330 BT_ERR("Error in firmware loading err = %d,"
331 "len = %d, size = %d", err, len, size);
332 kfree(send_buf);
333 return err;
334 }
335 sent += size;
336 count -= size;
337 }
338
339 kfree(send_buf);
340 return 0;
341}
342
343static int ath3k_switch_pid(struct usb_device *udev)
344{
345 int pipe = 0;
346
347 pipe = usb_sndctrlpipe(udev, 0);
348 return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
349 USB_TYPE_VENDOR, 0, 0,
350 NULL, 0, USB_CTRL_SET_TIMEOUT);
351}
352
353static int ath3k_set_normal_mode(struct usb_device *udev)
354{
355 unsigned char fw_state;
356 int pipe = 0, ret;
357
358 ret = ath3k_get_state(udev, &fw_state);
359 if (ret < 0) {
360 BT_ERR("Can't get state to change to normal mode err");
361 return ret;
362 }
363
364 if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
365 BT_DBG("firmware was already in normal mode");
366 return 0;
367 }
368
369 pipe = usb_sndctrlpipe(udev, 0);
370 return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
371 USB_TYPE_VENDOR, 0, 0,
372 NULL, 0, USB_CTRL_SET_TIMEOUT);
373}
374
375static int ath3k_load_patch(struct usb_device *udev)
376{
377 unsigned char fw_state;
378 char filename[ATH3K_NAME_LEN] = {0};
379 const struct firmware *firmware;
72dd2b2a
MH
380 struct ath3k_version fw_version;
381 __u32 pt_rom_version, pt_build_version;
d9f51b51
BS
382 int ret;
383
384 ret = ath3k_get_state(udev, &fw_state);
385 if (ret < 0) {
386 BT_ERR("Can't get state to change to load ram patch err");
387 return ret;
388 }
389
390 if (fw_state & ATH3K_PATCH_UPDATE) {
391 BT_DBG("Patch was already downloaded");
392 return 0;
393 }
394
395 ret = ath3k_get_version(udev, &fw_version);
396 if (ret < 0) {
397 BT_ERR("Can't get version to change to load ram patch err");
398 return ret;
399 }
400
401 snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
72dd2b2a 402 le32_to_cpu(fw_version.rom_version));
d9f51b51
BS
403
404 ret = request_firmware(&firmware, filename, &udev->dev);
405 if (ret < 0) {
406 BT_ERR("Patch file not found %s", filename);
407 return ret;
408 }
409
72dd2b2a
MH
410 pt_rom_version = get_unaligned_le32(firmware->data +
411 firmware->size - 8);
412 pt_build_version = get_unaligned_le32(firmware->data +
413 firmware->size - 4);
d9f51b51 414
72dd2b2a
MH
415 if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
416 pt_build_version <= le32_to_cpu(fw_version.build_version)) {
d9f51b51
BS
417 BT_ERR("Patch file version did not match with firmware");
418 release_firmware(firmware);
419 return -EINVAL;
420 }
421
422 ret = ath3k_load_fwfile(udev, firmware);
423 release_firmware(firmware);
424
425 return ret;
426}
427
428static int ath3k_load_syscfg(struct usb_device *udev)
429{
430 unsigned char fw_state;
431 char filename[ATH3K_NAME_LEN] = {0};
432 const struct firmware *firmware;
433 struct ath3k_version fw_version;
434 int clk_value, ret;
435
436 ret = ath3k_get_state(udev, &fw_state);
437 if (ret < 0) {
8a168ca7 438 BT_ERR("Can't get state to change to load configuration err");
d9f51b51
BS
439 return -EBUSY;
440 }
441
442 ret = ath3k_get_version(udev, &fw_version);
443 if (ret < 0) {
444 BT_ERR("Can't get version to change to load ram patch err");
445 return ret;
446 }
447
448 switch (fw_version.ref_clock) {
449
450 case ATH3K_XTAL_FREQ_26M:
451 clk_value = 26;
452 break;
453 case ATH3K_XTAL_FREQ_40M:
454 clk_value = 40;
455 break;
456 case ATH3K_XTAL_FREQ_19P2:
457 clk_value = 19;
458 break;
459 default:
460 clk_value = 0;
461 break;
462 }
463
464 snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
b9e2535a 465 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
d9f51b51
BS
466
467 ret = request_firmware(&firmware, filename, &udev->dev);
468 if (ret < 0) {
469 BT_ERR("Configuration file not found %s", filename);
470 return ret;
471 }
472
473 ret = ath3k_load_fwfile(udev, firmware);
474 release_firmware(firmware);
475
476 return ret;
477}
478
9670d80a
VK
479static int ath3k_probe(struct usb_interface *intf,
480 const struct usb_device_id *id)
481{
482 const struct firmware *firmware;
483 struct usb_device *udev = interface_to_usbdev(intf);
84f0e17f 484 int ret;
9670d80a
VK
485
486 BT_DBG("intf %p id %p", intf, id);
487
488 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
489 return -ENODEV;
490
d9f51b51
BS
491 /* match device ID in ath3k blacklist table */
492 if (!id->driver_info) {
493 const struct usb_device_id *match;
494 match = usb_match_id(intf, ath3k_blist_tbl);
495 if (match)
496 id = match;
497 }
498
499 /* load patch and sysconfig files for AR3012 */
500 if (id->driver_info & BTUSB_ATH3012) {
2d25f8b4
SL
501
502 /* New firmware with patch and sysconfig files already loaded */
503 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
504 return -ENODEV;
505
d9f51b51
BS
506 ret = ath3k_load_patch(udev);
507 if (ret < 0) {
508 BT_ERR("Loading patch file failed");
509 return ret;
510 }
511 ret = ath3k_load_syscfg(udev);
512 if (ret < 0) {
513 BT_ERR("Loading sysconfig file failed");
514 return ret;
515 }
516 ret = ath3k_set_normal_mode(udev);
517 if (ret < 0) {
518 BT_ERR("Set normal mode failed");
519 return ret;
520 }
521 ath3k_switch_pid(udev);
522 return 0;
523 }
524
c3eae82a
PF
525 ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
526 if (ret < 0) {
527 if (ret == -ENOENT)
528 BT_ERR("Firmware file \"%s\" not found",
529 ATH3K_FIRMWARE);
530 else
531 BT_ERR("Firmware file \"%s\" request failed (err=%d)",
532 ATH3K_FIRMWARE, ret);
533 return ret;
9670d80a
VK
534 }
535
84f0e17f 536 ret = ath3k_load_firmware(udev, firmware);
86e09287 537 release_firmware(firmware);
9670d80a 538
84f0e17f 539 return ret;
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540}
541
542static void ath3k_disconnect(struct usb_interface *intf)
543{
9670d80a 544 BT_DBG("ath3k_disconnect intf %p", intf);
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545}
546
547static struct usb_driver ath3k_driver = {
548 .name = "ath3k",
549 .probe = ath3k_probe,
550 .disconnect = ath3k_disconnect,
551 .id_table = ath3k_table,
e1f12eb6 552 .disable_hub_initiated_lpm = 1,
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553};
554
93f1508c 555module_usb_driver(ath3k_driver);
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556
557MODULE_AUTHOR("Atheros Communications");
558MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
559MODULE_VERSION(VERSION);
560MODULE_LICENSE("GPL");
c3eae82a 561MODULE_FIRMWARE(ATH3K_FIRMWARE);
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