1 | // SPDX-License-Identifier: GPL-2.0-or-later |
2 | /* |
3 | * Copyright (c) 2008-2009 Atheros Communications Inc. |
4 | */ |
5 | |
6 | |
7 | #include <linux/module.h> |
8 | #include <linux/kernel.h> |
9 | #include <linux/init.h> |
10 | #include <linux/slab.h> |
11 | #include <linux/types.h> |
12 | #include <linux/errno.h> |
13 | #include <linux/firmware.h> |
14 | #include <linux/usb.h> |
15 | #include <asm/unaligned.h> |
16 | #include <net/bluetooth/bluetooth.h> |
17 | |
18 | #define VERSION "1.0" |
19 | #define ATH3K_FIRMWARE "ath3k-1.fw" |
20 | |
21 | #define ATH3K_DNLOAD 0x01 |
22 | #define ATH3K_GETSTATE 0x05 |
23 | #define ATH3K_SET_NORMAL_MODE 0x07 |
24 | #define ATH3K_GETVERSION 0x09 |
25 | #define USB_REG_SWITCH_VID_PID 0x0a |
26 | |
27 | #define ATH3K_MODE_MASK 0x3F |
28 | #define ATH3K_NORMAL_MODE 0x0E |
29 | |
30 | #define ATH3K_PATCH_UPDATE 0x80 |
31 | #define ATH3K_SYSCFG_UPDATE 0x40 |
32 | |
33 | #define ATH3K_XTAL_FREQ_26M 0x00 |
34 | #define ATH3K_XTAL_FREQ_40M 0x01 |
35 | #define ATH3K_XTAL_FREQ_19P2 0x02 |
36 | #define ATH3K_NAME_LEN 0xFF |
37 | |
38 | struct ath3k_version { |
39 | __le32 rom_version; |
40 | __le32 build_version; |
41 | __le32 ram_version; |
42 | __u8 ref_clock; |
43 | __u8 reserved[7]; |
44 | } __packed; |
45 | |
46 | static const struct usb_device_id ath3k_table[] = { |
47 | /* Atheros AR3011 */ |
48 | { USB_DEVICE(0x0CF3, 0x3000) }, |
49 | |
50 | /* Atheros AR3011 with sflash firmware*/ |
51 | { USB_DEVICE(0x0489, 0xE027) }, |
52 | { USB_DEVICE(0x0489, 0xE03D) }, |
53 | { USB_DEVICE(0x04F2, 0xAFF1) }, |
54 | { USB_DEVICE(0x0930, 0x0215) }, |
55 | { USB_DEVICE(0x0CF3, 0x3002) }, |
56 | { USB_DEVICE(0x0CF3, 0xE019) }, |
57 | { USB_DEVICE(0x13d3, 0x3304) }, |
58 | |
59 | /* Atheros AR9285 Malbec with sflash firmware */ |
60 | { USB_DEVICE(0x03F0, 0x311D) }, |
61 | |
62 | /* Atheros AR3012 with sflash firmware*/ |
63 | { USB_DEVICE(0x0489, 0xe04d) }, |
64 | { USB_DEVICE(0x0489, 0xe04e) }, |
65 | { USB_DEVICE(0x0489, 0xe057) }, |
66 | { USB_DEVICE(0x0489, 0xe056) }, |
67 | { USB_DEVICE(0x0489, 0xe05f) }, |
68 | { USB_DEVICE(0x0489, 0xe076) }, |
69 | { USB_DEVICE(0x0489, 0xe078) }, |
70 | { USB_DEVICE(0x0489, 0xe095) }, |
71 | { USB_DEVICE(0x04c5, 0x1330) }, |
72 | { USB_DEVICE(0x04CA, 0x3004) }, |
73 | { USB_DEVICE(0x04CA, 0x3005) }, |
74 | { USB_DEVICE(0x04CA, 0x3006) }, |
75 | { USB_DEVICE(0x04CA, 0x3007) }, |
76 | { USB_DEVICE(0x04CA, 0x3008) }, |
77 | { USB_DEVICE(0x04CA, 0x300b) }, |
78 | { USB_DEVICE(0x04CA, 0x300d) }, |
79 | { USB_DEVICE(0x04CA, 0x300f) }, |
80 | { USB_DEVICE(0x04CA, 0x3010) }, |
81 | { USB_DEVICE(0x04CA, 0x3014) }, |
82 | { USB_DEVICE(0x04CA, 0x3018) }, |
83 | { USB_DEVICE(0x0930, 0x0219) }, |
84 | { USB_DEVICE(0x0930, 0x021c) }, |
85 | { USB_DEVICE(0x0930, 0x0220) }, |
86 | { USB_DEVICE(0x0930, 0x0227) }, |
87 | { USB_DEVICE(0x0b05, 0x17d0) }, |
88 | { USB_DEVICE(0x0CF3, 0x0036) }, |
89 | { USB_DEVICE(0x0CF3, 0x3004) }, |
90 | { USB_DEVICE(0x0CF3, 0x3008) }, |
91 | { USB_DEVICE(0x0CF3, 0x311D) }, |
92 | { USB_DEVICE(0x0CF3, 0x311E) }, |
93 | { USB_DEVICE(0x0CF3, 0x311F) }, |
94 | { USB_DEVICE(0x0cf3, 0x3121) }, |
95 | { USB_DEVICE(0x0CF3, 0x817a) }, |
96 | { USB_DEVICE(0x0CF3, 0x817b) }, |
97 | { USB_DEVICE(0x0cf3, 0xe003) }, |
98 | { USB_DEVICE(0x0CF3, 0xE004) }, |
99 | { USB_DEVICE(0x0CF3, 0xE005) }, |
100 | { USB_DEVICE(0x0CF3, 0xE006) }, |
101 | { USB_DEVICE(0x13d3, 0x3362) }, |
102 | { USB_DEVICE(0x13d3, 0x3375) }, |
103 | { USB_DEVICE(0x13d3, 0x3393) }, |
104 | { USB_DEVICE(0x13d3, 0x3395) }, |
105 | { USB_DEVICE(0x13d3, 0x3402) }, |
106 | { USB_DEVICE(0x13d3, 0x3408) }, |
107 | { USB_DEVICE(0x13d3, 0x3423) }, |
108 | { USB_DEVICE(0x13d3, 0x3432) }, |
109 | { USB_DEVICE(0x13d3, 0x3472) }, |
110 | { USB_DEVICE(0x13d3, 0x3474) }, |
111 | { USB_DEVICE(0x13d3, 0x3487) }, |
112 | { USB_DEVICE(0x13d3, 0x3490) }, |
113 | |
114 | /* Atheros AR5BBU12 with sflash firmware */ |
115 | { USB_DEVICE(0x0489, 0xE02C) }, |
116 | |
117 | /* Atheros AR5BBU22 with sflash firmware */ |
118 | { USB_DEVICE(0x0489, 0xE036) }, |
119 | { USB_DEVICE(0x0489, 0xE03C) }, |
120 | |
121 | { } /* Terminating entry */ |
122 | }; |
123 | |
124 | MODULE_DEVICE_TABLE(usb, ath3k_table); |
125 | |
126 | #define BTUSB_ATH3012 0x80 |
127 | /* This table is to load patch and sysconfig files |
128 | * for AR3012 |
129 | */ |
130 | static const struct usb_device_id ath3k_blist_tbl[] = { |
131 | |
132 | /* Atheros AR3012 with sflash firmware*/ |
133 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
134 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, |
135 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, |
136 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, |
137 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, |
138 | { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 }, |
139 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
140 | { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 }, |
141 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
142 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, |
143 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, |
144 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, |
145 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
146 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
147 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, |
148 | { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 }, |
149 | { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 }, |
150 | { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 }, |
151 | { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 }, |
152 | { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 }, |
153 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, |
154 | { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 }, |
155 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, |
156 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
157 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
158 | { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
159 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
160 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
161 | { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 }, |
162 | { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 }, |
163 | { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 }, |
164 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
165 | { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
166 | { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 }, |
167 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
168 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
169 | { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 }, |
170 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
171 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, |
172 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, |
173 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
174 | { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 }, |
175 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
176 | { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 }, |
177 | { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 }, |
178 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
179 | { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 }, |
180 | { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 }, |
181 | { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 }, |
182 | { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 }, |
183 | |
184 | /* Atheros AR5BBU22 with sflash firmware */ |
185 | { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 }, |
186 | { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 }, |
187 | |
188 | { } /* Terminating entry */ |
189 | }; |
190 | |
191 | static inline void ath3k_log_failed_loading(int err, int len, int size, |
192 | int count) |
193 | { |
194 | BT_ERR("Firmware loading err = %d, len = %d, size = %d, count = %d" , |
195 | err, len, size, count); |
196 | } |
197 | |
198 | #define USB_REQ_DFU_DNLOAD 1 |
199 | #define BULK_SIZE 4096 |
200 | #define FW_HDR_SIZE 20 |
201 | #define TIMEGAP_USEC_MIN 50 |
202 | #define TIMEGAP_USEC_MAX 100 |
203 | |
204 | static int ath3k_load_firmware(struct usb_device *udev, |
205 | const struct firmware *firmware) |
206 | { |
207 | u8 *send_buf; |
208 | int len = 0; |
209 | int err, pipe, size, sent = 0; |
210 | int count = firmware->size; |
211 | |
212 | BT_DBG("udev %p" , udev); |
213 | |
214 | send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); |
215 | if (!send_buf) { |
216 | BT_ERR("Can't allocate memory chunk for firmware" ); |
217 | return -ENOMEM; |
218 | } |
219 | |
220 | err = usb_control_msg_send(dev: udev, endpoint: 0, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR, |
221 | value: 0, index: 0, data: firmware->data, FW_HDR_SIZE, |
222 | USB_CTRL_SET_TIMEOUT, GFP_KERNEL); |
223 | if (err) { |
224 | BT_ERR("Can't change to loading configuration err" ); |
225 | goto error; |
226 | } |
227 | sent += FW_HDR_SIZE; |
228 | count -= FW_HDR_SIZE; |
229 | |
230 | pipe = usb_sndbulkpipe(udev, 0x02); |
231 | |
232 | while (count) { |
233 | /* workaround the compatibility issue with xHCI controller*/ |
234 | usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); |
235 | |
236 | size = min_t(uint, count, BULK_SIZE); |
237 | memcpy(send_buf, firmware->data + sent, size); |
238 | |
239 | err = usb_bulk_msg(usb_dev: udev, pipe, data: send_buf, len: size, |
240 | actual_length: &len, timeout: 3000); |
241 | |
242 | if (err || (len != size)) { |
243 | ath3k_log_failed_loading(err, len, size, count); |
244 | goto error; |
245 | } |
246 | |
247 | sent += size; |
248 | count -= size; |
249 | } |
250 | |
251 | error: |
252 | kfree(objp: send_buf); |
253 | return err; |
254 | } |
255 | |
256 | static int ath3k_get_state(struct usb_device *udev, unsigned char *state) |
257 | { |
258 | return usb_control_msg_recv(dev: udev, endpoint: 0, ATH3K_GETSTATE, |
259 | USB_TYPE_VENDOR | USB_DIR_IN, value: 0, index: 0, |
260 | data: state, size: 1, USB_CTRL_SET_TIMEOUT, |
261 | GFP_KERNEL); |
262 | } |
263 | |
264 | static int ath3k_get_version(struct usb_device *udev, |
265 | struct ath3k_version *version) |
266 | { |
267 | return usb_control_msg_recv(dev: udev, endpoint: 0, ATH3K_GETVERSION, |
268 | USB_TYPE_VENDOR | USB_DIR_IN, value: 0, index: 0, |
269 | data: version, size: sizeof(*version), USB_CTRL_SET_TIMEOUT, |
270 | GFP_KERNEL); |
271 | } |
272 | |
273 | static int ath3k_load_fwfile(struct usb_device *udev, |
274 | const struct firmware *firmware) |
275 | { |
276 | u8 *send_buf; |
277 | int len = 0; |
278 | int err, pipe, size, count, sent = 0; |
279 | int ret; |
280 | |
281 | count = firmware->size; |
282 | |
283 | send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); |
284 | if (!send_buf) { |
285 | BT_ERR("Can't allocate memory chunk for firmware" ); |
286 | return -ENOMEM; |
287 | } |
288 | |
289 | size = min_t(uint, count, FW_HDR_SIZE); |
290 | |
291 | ret = usb_control_msg_send(dev: udev, endpoint: 0, ATH3K_DNLOAD, USB_TYPE_VENDOR, value: 0, index: 0, |
292 | data: firmware->data, size, USB_CTRL_SET_TIMEOUT, |
293 | GFP_KERNEL); |
294 | if (ret) { |
295 | BT_ERR("Can't change to loading configuration err" ); |
296 | kfree(objp: send_buf); |
297 | return ret; |
298 | } |
299 | |
300 | sent += size; |
301 | count -= size; |
302 | |
303 | pipe = usb_sndbulkpipe(udev, 0x02); |
304 | |
305 | while (count) { |
306 | /* workaround the compatibility issue with xHCI controller*/ |
307 | usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX); |
308 | |
309 | size = min_t(uint, count, BULK_SIZE); |
310 | memcpy(send_buf, firmware->data + sent, size); |
311 | |
312 | err = usb_bulk_msg(usb_dev: udev, pipe, data: send_buf, len: size, |
313 | actual_length: &len, timeout: 3000); |
314 | if (err || (len != size)) { |
315 | ath3k_log_failed_loading(err, len, size, count); |
316 | kfree(objp: send_buf); |
317 | return err; |
318 | } |
319 | sent += size; |
320 | count -= size; |
321 | } |
322 | |
323 | kfree(objp: send_buf); |
324 | return 0; |
325 | } |
326 | |
327 | static void ath3k_switch_pid(struct usb_device *udev) |
328 | { |
329 | usb_control_msg_send(dev: udev, endpoint: 0, USB_REG_SWITCH_VID_PID, USB_TYPE_VENDOR, |
330 | value: 0, index: 0, NULL, size: 0, USB_CTRL_SET_TIMEOUT, GFP_KERNEL); |
331 | } |
332 | |
333 | static int ath3k_set_normal_mode(struct usb_device *udev) |
334 | { |
335 | unsigned char fw_state; |
336 | int ret; |
337 | |
338 | ret = ath3k_get_state(udev, state: &fw_state); |
339 | if (ret) { |
340 | BT_ERR("Can't get state to change to normal mode err" ); |
341 | return ret; |
342 | } |
343 | |
344 | if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) { |
345 | BT_DBG("firmware was already in normal mode" ); |
346 | return 0; |
347 | } |
348 | |
349 | return usb_control_msg_send(dev: udev, endpoint: 0, ATH3K_SET_NORMAL_MODE, |
350 | USB_TYPE_VENDOR, value: 0, index: 0, NULL, size: 0, |
351 | USB_CTRL_SET_TIMEOUT, GFP_KERNEL); |
352 | } |
353 | |
354 | static int ath3k_load_patch(struct usb_device *udev) |
355 | { |
356 | unsigned char fw_state; |
357 | char filename[ATH3K_NAME_LEN]; |
358 | const struct firmware *firmware; |
359 | struct ath3k_version fw_version; |
360 | __u32 pt_rom_version, pt_build_version; |
361 | int ret; |
362 | |
363 | ret = ath3k_get_state(udev, state: &fw_state); |
364 | if (ret) { |
365 | BT_ERR("Can't get state to change to load ram patch err" ); |
366 | return ret; |
367 | } |
368 | |
369 | if (fw_state & ATH3K_PATCH_UPDATE) { |
370 | BT_DBG("Patch was already downloaded" ); |
371 | return 0; |
372 | } |
373 | |
374 | ret = ath3k_get_version(udev, version: &fw_version); |
375 | if (ret) { |
376 | BT_ERR("Can't get version to change to load ram patch err" ); |
377 | return ret; |
378 | } |
379 | |
380 | snprintf(buf: filename, ATH3K_NAME_LEN, fmt: "ar3k/AthrBT_0x%08x.dfu" , |
381 | le32_to_cpu(fw_version.rom_version)); |
382 | |
383 | ret = request_firmware(fw: &firmware, name: filename, device: &udev->dev); |
384 | if (ret < 0) { |
385 | BT_ERR("Patch file not found %s" , filename); |
386 | return ret; |
387 | } |
388 | |
389 | pt_rom_version = get_unaligned_le32(p: firmware->data + |
390 | firmware->size - 8); |
391 | pt_build_version = get_unaligned_le32(p: firmware->data + |
392 | firmware->size - 4); |
393 | |
394 | if (pt_rom_version != le32_to_cpu(fw_version.rom_version) || |
395 | pt_build_version <= le32_to_cpu(fw_version.build_version)) { |
396 | BT_ERR("Patch file version did not match with firmware" ); |
397 | release_firmware(fw: firmware); |
398 | return -EINVAL; |
399 | } |
400 | |
401 | ret = ath3k_load_fwfile(udev, firmware); |
402 | release_firmware(fw: firmware); |
403 | |
404 | return ret; |
405 | } |
406 | |
407 | static int ath3k_load_syscfg(struct usb_device *udev) |
408 | { |
409 | unsigned char fw_state; |
410 | char filename[ATH3K_NAME_LEN]; |
411 | const struct firmware *firmware; |
412 | struct ath3k_version fw_version; |
413 | int clk_value, ret; |
414 | |
415 | ret = ath3k_get_state(udev, state: &fw_state); |
416 | if (ret) { |
417 | BT_ERR("Can't get state to change to load configuration err" ); |
418 | return -EBUSY; |
419 | } |
420 | |
421 | ret = ath3k_get_version(udev, version: &fw_version); |
422 | if (ret) { |
423 | BT_ERR("Can't get version to change to load ram patch err" ); |
424 | return ret; |
425 | } |
426 | |
427 | switch (fw_version.ref_clock) { |
428 | |
429 | case ATH3K_XTAL_FREQ_26M: |
430 | clk_value = 26; |
431 | break; |
432 | case ATH3K_XTAL_FREQ_40M: |
433 | clk_value = 40; |
434 | break; |
435 | case ATH3K_XTAL_FREQ_19P2: |
436 | clk_value = 19; |
437 | break; |
438 | default: |
439 | clk_value = 0; |
440 | break; |
441 | } |
442 | |
443 | snprintf(buf: filename, ATH3K_NAME_LEN, fmt: "ar3k/ramps_0x%08x_%d%s" , |
444 | le32_to_cpu(fw_version.rom_version), clk_value, ".dfu" ); |
445 | |
446 | ret = request_firmware(fw: &firmware, name: filename, device: &udev->dev); |
447 | if (ret < 0) { |
448 | BT_ERR("Configuration file not found %s" , filename); |
449 | return ret; |
450 | } |
451 | |
452 | ret = ath3k_load_fwfile(udev, firmware); |
453 | release_firmware(fw: firmware); |
454 | |
455 | return ret; |
456 | } |
457 | |
458 | static int ath3k_probe(struct usb_interface *intf, |
459 | const struct usb_device_id *id) |
460 | { |
461 | const struct firmware *firmware; |
462 | struct usb_device *udev = interface_to_usbdev(intf); |
463 | int ret; |
464 | |
465 | BT_DBG("intf %p id %p" , intf, id); |
466 | |
467 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) |
468 | return -ENODEV; |
469 | |
470 | /* match device ID in ath3k blacklist table */ |
471 | if (!id->driver_info) { |
472 | const struct usb_device_id *match; |
473 | |
474 | match = usb_match_id(interface: intf, id: ath3k_blist_tbl); |
475 | if (match) |
476 | id = match; |
477 | } |
478 | |
479 | /* load patch and sysconfig files for AR3012 */ |
480 | if (id->driver_info & BTUSB_ATH3012) { |
481 | /* New firmware with patch and sysconfig files already loaded */ |
482 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001) |
483 | return -ENODEV; |
484 | |
485 | ret = ath3k_load_patch(udev); |
486 | if (ret < 0) { |
487 | BT_ERR("Loading patch file failed" ); |
488 | return ret; |
489 | } |
490 | ret = ath3k_load_syscfg(udev); |
491 | if (ret < 0) { |
492 | BT_ERR("Loading sysconfig file failed" ); |
493 | return ret; |
494 | } |
495 | ret = ath3k_set_normal_mode(udev); |
496 | if (ret) { |
497 | BT_ERR("Set normal mode failed" ); |
498 | return ret; |
499 | } |
500 | ath3k_switch_pid(udev); |
501 | return 0; |
502 | } |
503 | |
504 | ret = request_firmware(fw: &firmware, ATH3K_FIRMWARE, device: &udev->dev); |
505 | if (ret < 0) { |
506 | if (ret == -ENOENT) |
507 | BT_ERR("Firmware file \"%s\" not found" , |
508 | ATH3K_FIRMWARE); |
509 | else |
510 | BT_ERR("Firmware file \"%s\" request failed (err=%d)" , |
511 | ATH3K_FIRMWARE, ret); |
512 | return ret; |
513 | } |
514 | |
515 | ret = ath3k_load_firmware(udev, firmware); |
516 | release_firmware(fw: firmware); |
517 | |
518 | return ret; |
519 | } |
520 | |
521 | static void ath3k_disconnect(struct usb_interface *intf) |
522 | { |
523 | BT_DBG("%s intf %p" , __func__, intf); |
524 | } |
525 | |
526 | static struct usb_driver ath3k_driver = { |
527 | .name = "ath3k" , |
528 | .probe = ath3k_probe, |
529 | .disconnect = ath3k_disconnect, |
530 | .id_table = ath3k_table, |
531 | .disable_hub_initiated_lpm = 1, |
532 | }; |
533 | |
534 | module_usb_driver(ath3k_driver); |
535 | |
536 | MODULE_AUTHOR("Atheros Communications" ); |
537 | MODULE_DESCRIPTION("Atheros AR30xx firmware driver" ); |
538 | MODULE_VERSION(VERSION); |
539 | MODULE_LICENSE("GPL" ); |
540 | MODULE_FIRMWARE(ATH3K_FIRMWARE); |
541 | |