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(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 | { USB_DEVICE(0x13d3, 0x3487) }, |
127 | { USB_DEVICE(0x13d3, 0x3490) }, |
128 | |
129 | /* Atheros AR5BBU12 with sflash firmware */ |
130 | { USB_DEVICE(0x0489, 0xE02C) }, |
131 | |
132 | /* Atheros AR5BBU22 with sflash firmware */ |
133 | { USB_DEVICE(0x0489, 0xE036) }, |
134 | { USB_DEVICE(0x0489, 0xE03C) }, |
135 | |
136 | { } /* Terminating entry */ |
137 | }; |
138 | |
139 | MODULE_DEVICE_TABLE(usb, ath3k_table); |
140 | |
141 | #define BTUSB_ATH3012 0x80 |
142 | /* This table is to load patch and sysconfig files |
143 | * for AR3012 |
144 | */ |
145 | static const struct usb_device_id ath3k_blist_tbl[] = { |
146 | |
147 | /* Atheros AR3012 with sflash firmware*/ |
148 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
149 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
150 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
151 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
152 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, |
153 | { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, |
154 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
155 | { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, |
156 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
157 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
158 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
159 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
160 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
161 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
162 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, |
163 | { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, |
164 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, |
165 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
166 | { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, |
167 | { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, |
168 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
169 | { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, |
170 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
171 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
172 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
173 | { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
174 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
175 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
176 | { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 }, |
177 | { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 }, |
178 | { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 }, |
179 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
180 | { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
181 | { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 }, |
182 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
183 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
184 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, |
185 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
186 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
187 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
188 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
189 | { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, |
190 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
191 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
192 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
193 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
194 | { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, |
195 | { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, |
196 | { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, |
197 | { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, |
198 | |
199 | /* Atheros AR5BBU22 with sflash firmware */ |
200 | { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 }, |
201 | { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 }, |
202 | |
203 | { } /* Terminating entry */ |
204 | }; |
205 | |
206 | static inline void ath3k_log_failed_loading(int err, int len, int size, |
207 | int count) |
208 | { |
209 | BT_ERR("Firmware loading err = %d, len = %d, size = %d, count = %d" , |
210 | err, len, size, count); |
211 | } |
212 | |
213 | #define USB_REQ_DFU_DNLOAD 1 |
214 | #define BULK_SIZE 4096 |
215 | #define FW_HDR_SIZE 20 |
216 | #define TIMEGAP_USEC_MIN 50 |
217 | #define TIMEGAP_USEC_MAX 100 |
218 | |
219 | static int ath3k_load_firmware(struct usb_device *udev, |
220 | const struct firmware *firmware) |
221 | { |
222 | u8 *send_buf; |
223 | int len = 0; |
224 | int err, pipe, size, sent = 0; |
225 | int count = firmware->size; |
226 | |
227 | BT_DBG("udev %p" , udev); |
228 | |
229 | pipe = usb_sndctrlpipe(udev, 0); |
230 | |
231 | send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); |
232 | if (!send_buf) { |
233 | BT_ERR("Can't allocate memory chunk for firmware" ); |
234 | return -ENOMEM; |
235 | } |
236 | |
237 | memcpy(send_buf, firmware->data, FW_HDR_SIZE); |
238 | err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR, |
239 | 0, 0, send_buf, FW_HDR_SIZE, |
240 | USB_CTRL_SET_TIMEOUT); |
241 | if (err < 0) { |
242 | BT_ERR("Can't change to loading configuration err" ); |
243 | goto error; |
244 | } |
245 | sent += FW_HDR_SIZE; |
246 | count -= FW_HDR_SIZE; |
247 | |
248 | pipe = usb_sndbulkpipe(udev, 0x02); |
249 | |
250 | while (count) { |
251 | /* workaround the compatibility issue with xHCI controller*/ |
252 | usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); |
253 | |
254 | size = min_t(uint, count, BULK_SIZE); |
255 | memcpy(send_buf, firmware->data + sent, size); |
256 | |
257 | err = usb_bulk_msg(udev, pipe, send_buf, size, |
258 | &len, 3000); |
259 | |
260 | if (err || (len != size)) { |
261 | ath3k_log_failed_loading(err, len, size, count); |
262 | goto error; |
263 | } |
264 | |
265 | sent += size; |
266 | count -= size; |
267 | } |
268 | |
269 | error: |
270 | kfree(send_buf); |
271 | return err; |
272 | } |
273 | |
274 | static int ath3k_get_state(struct usb_device *udev, unsigned char *state) |
275 | { |
276 | int ret, pipe = 0; |
277 | char *buf; |
278 | |
279 | buf = kmalloc(sizeof(*buf), GFP_KERNEL); |
280 | if (!buf) |
281 | return -ENOMEM; |
282 | |
283 | pipe = usb_rcvctrlpipe(udev, 0); |
284 | ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE, |
285 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, |
286 | buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT); |
287 | |
288 | *state = *buf; |
289 | kfree(buf); |
290 | |
291 | return ret; |
292 | } |
293 | |
294 | static int ath3k_get_version(struct usb_device *udev, |
295 | struct ath3k_version *version) |
296 | { |
297 | int ret, pipe = 0; |
298 | struct ath3k_version *buf; |
299 | const int size = sizeof(*buf); |
300 | |
301 | buf = kmalloc(size, GFP_KERNEL); |
302 | if (!buf) |
303 | return -ENOMEM; |
304 | |
305 | pipe = usb_rcvctrlpipe(udev, 0); |
306 | ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION, |
307 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, |
308 | buf, size, USB_CTRL_SET_TIMEOUT); |
309 | |
310 | memcpy(version, buf, size); |
311 | kfree(buf); |
312 | |
313 | return ret; |
314 | } |
315 | |
316 | static int ath3k_load_fwfile(struct usb_device *udev, |
317 | const struct firmware *firmware) |
318 | { |
319 | u8 *send_buf; |
320 | int len = 0; |
321 | int err, pipe, size, count, sent = 0; |
322 | int ret; |
323 | |
324 | count = firmware->size; |
325 | |
326 | send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); |
327 | if (!send_buf) { |
328 | BT_ERR("Can't allocate memory chunk for firmware" ); |
329 | return -ENOMEM; |
330 | } |
331 | |
332 | size = min_t(uint, count, FW_HDR_SIZE); |
333 | memcpy(send_buf, firmware->data, size); |
334 | |
335 | pipe = usb_sndctrlpipe(udev, 0); |
336 | ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD, |
337 | USB_TYPE_VENDOR, 0, 0, send_buf, |
338 | size, USB_CTRL_SET_TIMEOUT); |
339 | if (ret < 0) { |
340 | BT_ERR("Can't change to loading configuration err" ); |
341 | kfree(send_buf); |
342 | return ret; |
343 | } |
344 | |
345 | sent += size; |
346 | count -= size; |
347 | |
348 | pipe = usb_sndbulkpipe(udev, 0x02); |
349 | |
350 | while (count) { |
351 | /* workaround the compatibility issue with xHCI controller*/ |
352 | usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); |
353 | |
354 | size = min_t(uint, count, BULK_SIZE); |
355 | memcpy(send_buf, firmware->data + sent, size); |
356 | |
357 | err = usb_bulk_msg(udev, pipe, send_buf, size, |
358 | &len, 3000); |
359 | if (err || (len != size)) { |
360 | ath3k_log_failed_loading(err, len, size, count); |
361 | kfree(send_buf); |
362 | return err; |
363 | } |
364 | sent += size; |
365 | count -= size; |
366 | } |
367 | |
368 | kfree(send_buf); |
369 | return 0; |
370 | } |
371 | |
372 | static int ath3k_switch_pid(struct usb_device *udev) |
373 | { |
374 | int pipe = 0; |
375 | |
376 | pipe = usb_sndctrlpipe(udev, 0); |
377 | return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID, |
378 | USB_TYPE_VENDOR, 0, 0, |
379 | NULL, 0, USB_CTRL_SET_TIMEOUT); |
380 | } |
381 | |
382 | static int ath3k_set_normal_mode(struct usb_device *udev) |
383 | { |
384 | unsigned char fw_state; |
385 | int pipe = 0, ret; |
386 | |
387 | ret = ath3k_get_state(udev, &fw_state); |
388 | if (ret < 0) { |
389 | BT_ERR("Can't get state to change to normal mode err" ); |
390 | return ret; |
391 | } |
392 | |
393 | if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) { |
394 | BT_DBG("firmware was already in normal mode" ); |
395 | return 0; |
396 | } |
397 | |
398 | pipe = usb_sndctrlpipe(udev, 0); |
399 | return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE, |
400 | USB_TYPE_VENDOR, 0, 0, |
401 | NULL, 0, USB_CTRL_SET_TIMEOUT); |
402 | } |
403 | |
404 | static int ath3k_load_patch(struct usb_device *udev) |
405 | { |
406 | unsigned char fw_state; |
407 | char filename[ATH3K_NAME_LEN]; |
408 | const struct firmware *firmware; |
409 | struct ath3k_version fw_version; |
410 | __u32 pt_rom_version, pt_build_version; |
411 | int ret; |
412 | |
413 | ret = ath3k_get_state(udev, &fw_state); |
414 | if (ret < 0) { |
415 | BT_ERR("Can't get state to change to load ram patch err" ); |
416 | return ret; |
417 | } |
418 | |
419 | if (fw_state & ATH3K_PATCH_UPDATE) { |
420 | BT_DBG("Patch was already downloaded" ); |
421 | return 0; |
422 | } |
423 | |
424 | ret = ath3k_get_version(udev, &fw_version); |
425 | if (ret < 0) { |
426 | BT_ERR("Can't get version to change to load ram patch err" ); |
427 | return ret; |
428 | } |
429 | |
430 | snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu" , |
431 | le32_to_cpu(fw_version.rom_version)); |
432 | |
433 | ret = request_firmware(&firmware, filename, &udev->dev); |
434 | if (ret < 0) { |
435 | BT_ERR("Patch file not found %s" , filename); |
436 | return ret; |
437 | } |
438 | |
439 | pt_rom_version = get_unaligned_le32(firmware->data + |
440 | firmware->size - 8); |
441 | pt_build_version = get_unaligned_le32(firmware->data + |
442 | firmware->size - 4); |
443 | |
444 | if (pt_rom_version != le32_to_cpu(fw_version.rom_version) || |
445 | pt_build_version <= le32_to_cpu(fw_version.build_version)) { |
446 | BT_ERR("Patch file version did not match with firmware" ); |
447 | release_firmware(firmware); |
448 | return -EINVAL; |
449 | } |
450 | |
451 | ret = ath3k_load_fwfile(udev, firmware); |
452 | release_firmware(firmware); |
453 | |
454 | return ret; |
455 | } |
456 | |
457 | static int ath3k_load_syscfg(struct usb_device *udev) |
458 | { |
459 | unsigned char fw_state; |
460 | char filename[ATH3K_NAME_LEN]; |
461 | const struct firmware *firmware; |
462 | struct ath3k_version fw_version; |
463 | int clk_value, ret; |
464 | |
465 | ret = ath3k_get_state(udev, &fw_state); |
466 | if (ret < 0) { |
467 | BT_ERR("Can't get state to change to load configuration err" ); |
468 | return -EBUSY; |
469 | } |
470 | |
471 | ret = ath3k_get_version(udev, &fw_version); |
472 | if (ret < 0) { |
473 | BT_ERR("Can't get version to change to load ram patch err" ); |
474 | return ret; |
475 | } |
476 | |
477 | switch (fw_version.ref_clock) { |
478 | |
479 | case ATH3K_XTAL_FREQ_26M: |
480 | clk_value = 26; |
481 | break; |
482 | case ATH3K_XTAL_FREQ_40M: |
483 | clk_value = 40; |
484 | break; |
485 | case ATH3K_XTAL_FREQ_19P2: |
486 | clk_value = 19; |
487 | break; |
488 | default: |
489 | clk_value = 0; |
490 | break; |
491 | } |
492 | |
493 | snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s" , |
494 | le32_to_cpu(fw_version.rom_version), clk_value, ".dfu" ); |
495 | |
496 | ret = request_firmware(&firmware, filename, &udev->dev); |
497 | if (ret < 0) { |
498 | BT_ERR("Configuration file not found %s" , filename); |
499 | return ret; |
500 | } |
501 | |
502 | ret = ath3k_load_fwfile(udev, firmware); |
503 | release_firmware(firmware); |
504 | |
505 | return ret; |
506 | } |
507 | |
508 | static int ath3k_probe(struct usb_interface *intf, |
509 | const struct usb_device_id *id) |
510 | { |
511 | const struct firmware *firmware; |
512 | struct usb_device *udev = interface_to_usbdev(intf); |
513 | int ret; |
514 | |
515 | BT_DBG("intf %p id %p" , intf, id); |
516 | |
517 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
518 | return -ENODEV; |
519 | |
520 | /* match device ID in ath3k blacklist table */ |
521 | if (!id->driver_info) { |
522 | const struct usb_device_id *match; |
523 | |
524 | match = usb_match_id(intf, ath3k_blist_tbl); |
525 | if (match) |
526 | id = match; |
527 | } |
528 | |
529 | /* load patch and sysconfig files for AR3012 */ |
530 | if (id->driver_info & BTUSB_ATH3012) { |
531 | /* New firmware with patch and sysconfig files already loaded */ |
532 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001) |
533 | return -ENODEV; |
534 | |
535 | ret = ath3k_load_patch(udev); |
536 | if (ret < 0) { |
537 | BT_ERR("Loading patch file failed" ); |
538 | return ret; |
539 | } |
540 | ret = ath3k_load_syscfg(udev); |
541 | if (ret < 0) { |
542 | BT_ERR("Loading sysconfig file failed" ); |
543 | return ret; |
544 | } |
545 | ret = ath3k_set_normal_mode(udev); |
546 | if (ret < 0) { |
547 | BT_ERR("Set normal mode failed" ); |
548 | return ret; |
549 | } |
550 | ath3k_switch_pid(udev); |
551 | return 0; |
552 | } |
553 | |
554 | ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev); |
555 | if (ret < 0) { |
556 | if (ret == -ENOENT) |
557 | BT_ERR("Firmware file \"%s\" not found" , |
558 | ATH3K_FIRMWARE); |
559 | else |
560 | BT_ERR("Firmware file \"%s\" request failed (err=%d)" , |
561 | ATH3K_FIRMWARE, ret); |
562 | return ret; |
563 | } |
564 | |
565 | ret = ath3k_load_firmware(udev, firmware); |
566 | release_firmware(firmware); |
567 | |
568 | return ret; |
569 | } |
570 | |
571 | static void ath3k_disconnect(struct usb_interface *intf) |
572 | { |
573 | BT_DBG("%s intf %p" , __func__, intf); |
574 | } |
575 | |
576 | static struct usb_driver ath3k_driver = { |
577 | .name = "ath3k" , |
578 | .probe = ath3k_probe, |
579 | .disconnect = ath3k_disconnect, |
580 | .id_table = ath3k_table, |
581 | .disable_hub_initiated_lpm = 1, |
582 | }; |
583 | |
584 | module_usb_driver(ath3k_driver); |
585 | |
586 | MODULE_AUTHOR("Atheros Communications" ); |
587 | MODULE_DESCRIPTION("Atheros AR30xx firmware driver" ); |
588 | MODULE_VERSION(VERSION); |
589 | MODULE_LICENSE("GPL" ); |
590 | MODULE_FIRMWARE(ATH3K_FIRMWARE); |
591 | |