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9670d80a VK |
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 | ||
53 | struct 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 | 61 | static const struct usb_device_id ath3k_table[] = { |
9670d80a 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) }, | |
68 | { USB_DEVICE(0x0930, 0x0215) }, | |
be93112a | 69 | { USB_DEVICE(0x0CF3, 0x3002) }, |
6eda541d | 70 | { USB_DEVICE(0x0CF3, 0xE019) }, |
2a7bcccc | 71 | { USB_DEVICE(0x13d3, 0x3304) }, |
be93112a | 72 | |
509e7861 CYC |
73 | /* Atheros AR9285 Malbec with sflash firmware */ |
74 | { USB_DEVICE(0x03F0, 0x311D) }, | |
d9f51b51 BS |
75 | |
76 | /* Atheros AR3012 with sflash firmware*/ | |
0b880062 AS |
77 | { USB_DEVICE(0x0489, 0xe04d) }, |
78 | { USB_DEVICE(0x0489, 0xe04e) }, | |
79 | { USB_DEVICE(0x0489, 0xe057) }, | |
80 | { USB_DEVICE(0x0489, 0xe056) }, | |
81 | { USB_DEVICE(0x0489, 0xe05f) }, | |
4b552bc9 | 82 | { USB_DEVICE(0x0489, 0xe078) }, |
0b880062 AS |
83 | { USB_DEVICE(0x04c5, 0x1330) }, |
84 | { USB_DEVICE(0x04CA, 0x3004) }, | |
85 | { USB_DEVICE(0x04CA, 0x3005) }, | |
86 | { USB_DEVICE(0x04CA, 0x3006) }, | |
1fb4e09a | 87 | { USB_DEVICE(0x04CA, 0x3007) }, |
0b880062 AS |
88 | { USB_DEVICE(0x04CA, 0x3008) }, |
89 | { USB_DEVICE(0x04CA, 0x300b) }, | |
90 | { USB_DEVICE(0x0930, 0x0219) }, | |
91 | { USB_DEVICE(0x0930, 0x0220) }, | |
89d2975f | 92 | { USB_DEVICE(0x0930, 0x0227) }, |
a735f9e2 | 93 | { USB_DEVICE(0x0b05, 0x17d0) }, |
d66629c1 | 94 | { USB_DEVICE(0x0CF3, 0x0036) }, |
d9f51b51 | 95 | { USB_DEVICE(0x0CF3, 0x3004) }, |
94a32d10 | 96 | { USB_DEVICE(0x0CF3, 0x3008) }, |
07c0ea87 | 97 | { USB_DEVICE(0x0CF3, 0x311D) }, |
b131237c | 98 | { USB_DEVICE(0x0CF3, 0x311E) }, |
1e56f1eb | 99 | { USB_DEVICE(0x0CF3, 0x311F) }, |
0b880062 | 100 | { USB_DEVICE(0x0cf3, 0x3121) }, |
ebaf5795 | 101 | { USB_DEVICE(0x0CF3, 0x817a) }, |
0b880062 | 102 | { USB_DEVICE(0x0cf3, 0xe003) }, |
ac71311e | 103 | { USB_DEVICE(0x0CF3, 0xE004) }, |
0a3658cc | 104 | { USB_DEVICE(0x0CF3, 0xE005) }, |
0b880062 AS |
105 | { USB_DEVICE(0x13d3, 0x3362) }, |
106 | { USB_DEVICE(0x13d3, 0x3375) }, | |
eed307e2 | 107 | { USB_DEVICE(0x13d3, 0x3393) }, |
5b77a1f3 | 108 | { USB_DEVICE(0x13d3, 0x3402) }, |
fa2f1394 | 109 | { USB_DEVICE(0x13d3, 0x3432) }, |
d9f51b51 | 110 | |
e9036e33 CYC |
111 | /* Atheros AR5BBU12 with sflash firmware */ |
112 | { USB_DEVICE(0x0489, 0xE02C) }, | |
b67afe7f | 113 | |
85d59726 | 114 | /* Atheros AR5BBU22 with sflash firmware */ |
bc21fde2 | 115 | { USB_DEVICE(0x0489, 0xE036) }, |
0b880062 | 116 | { USB_DEVICE(0x0489, 0xE03C) }, |
85d59726 | 117 | |
9670d80a VK |
118 | { } /* Terminating entry */ |
119 | }; | |
120 | ||
121 | MODULE_DEVICE_TABLE(usb, ath3k_table); | |
122 | ||
d9f51b51 BS |
123 | #define BTUSB_ATH3012 0x80 |
124 | /* This table is to load patch and sysconfig files | |
125 | * for AR3012 */ | |
3932eb33 | 126 | static const struct usb_device_id ath3k_blist_tbl[] = { |
d9f51b51 BS |
127 | |
128 | /* Atheros AR3012 with sflash firmware*/ | |
0b880062 AS |
129 | { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 }, |
130 | { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 }, | |
131 | { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 }, | |
132 | { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 }, | |
133 | { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 }, | |
4b552bc9 | 134 | { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
135 | { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 }, |
136 | { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 }, | |
137 | { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 }, | |
138 | { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 }, | |
1fb4e09a | 139 | { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
140 | { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 }, |
141 | { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 }, | |
142 | { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 }, | |
143 | { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 }, | |
89d2975f | 144 | { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 }, |
a735f9e2 | 145 | { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 }, |
d66629c1 | 146 | { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 147 | { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 }, |
94a32d10 | 148 | { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 }, |
07c0ea87 | 149 | { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 }, |
b131237c | 150 | { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 }, |
1e56f1eb | 151 | { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 152 | { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 }, |
ebaf5795 | 153 | { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 }, |
ac71311e | 154 | { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 }, |
0a3658cc | 155 | { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 }, |
0b880062 AS |
156 | { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 }, |
157 | { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 }, | |
158 | { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 }, | |
eed307e2 | 159 | { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 }, |
5b77a1f3 | 160 | { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 }, |
fa2f1394 | 161 | { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 }, |
d9f51b51 | 162 | |
85d59726 | 163 | /* Atheros AR5BBU22 with sflash firmware */ |
bc21fde2 | 164 | { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 }, |
0b880062 | 165 | { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 }, |
85d59726 | 166 | |
d9f51b51 BS |
167 | { } /* Terminating entry */ |
168 | }; | |
169 | ||
9670d80a VK |
170 | #define USB_REQ_DFU_DNLOAD 1 |
171 | #define BULK_SIZE 4096 | |
d9f51b51 | 172 | #define FW_HDR_SIZE 20 |
9670d80a | 173 | |
86e09287 AH |
174 | static int ath3k_load_firmware(struct usb_device *udev, |
175 | const struct firmware *firmware) | |
9670d80a VK |
176 | { |
177 | u8 *send_buf; | |
178 | int err, pipe, len, size, sent = 0; | |
86e09287 | 179 | int count = firmware->size; |
9670d80a | 180 | |
86e09287 | 181 | BT_DBG("udev %p", udev); |
9670d80a | 182 | |
86e09287 | 183 | pipe = usb_sndctrlpipe(udev, 0); |
9670d80a | 184 | |
52a1020e | 185 | send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); |
86e09287 AH |
186 | if (!send_buf) { |
187 | BT_ERR("Can't allocate memory chunk for firmware"); | |
188 | return -ENOMEM; | |
189 | } | |
190 | ||
191 | memcpy(send_buf, firmware->data, 20); | |
a08b15e6 VI |
192 | err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR, |
193 | 0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT); | |
194 | if (err < 0) { | |
9670d80a | 195 | BT_ERR("Can't change to loading configuration err"); |
86e09287 | 196 | goto error; |
9670d80a VK |
197 | } |
198 | sent += 20; | |
199 | count -= 20; | |
200 | ||
3abb56de AL |
201 | pipe = usb_sndbulkpipe(udev, 0x02); |
202 | ||
9670d80a VK |
203 | while (count) { |
204 | size = min_t(uint, count, BULK_SIZE); | |
86e09287 | 205 | memcpy(send_buf, firmware->data + sent, size); |
9670d80a | 206 | |
86e09287 | 207 | err = usb_bulk_msg(udev, pipe, send_buf, size, |
9670d80a VK |
208 | &len, 3000); |
209 | ||
210 | if (err || (len != size)) { | |
211 | BT_ERR("Error in firmware loading err = %d," | |
212 | "len = %d, size = %d", err, len, size); | |
213 | goto error; | |
214 | } | |
215 | ||
216 | sent += size; | |
217 | count -= size; | |
218 | } | |
219 | ||
9670d80a VK |
220 | error: |
221 | kfree(send_buf); | |
222 | return err; | |
223 | } | |
224 | ||
d9f51b51 BS |
225 | static int ath3k_get_state(struct usb_device *udev, unsigned char *state) |
226 | { | |
517828a8 SG |
227 | int ret, pipe = 0; |
228 | char *buf; | |
229 | ||
230 | buf = kmalloc(sizeof(*buf), GFP_KERNEL); | |
231 | if (!buf) | |
232 | return -ENOMEM; | |
d9f51b51 BS |
233 | |
234 | pipe = usb_rcvctrlpipe(udev, 0); | |
517828a8 SG |
235 | ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE, |
236 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, | |
237 | buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT); | |
238 | ||
239 | *state = *buf; | |
240 | kfree(buf); | |
241 | ||
242 | return ret; | |
d9f51b51 BS |
243 | } |
244 | ||
245 | static int ath3k_get_version(struct usb_device *udev, | |
246 | struct ath3k_version *version) | |
247 | { | |
517828a8 SG |
248 | int ret, pipe = 0; |
249 | struct ath3k_version *buf; | |
250 | const int size = sizeof(*buf); | |
251 | ||
252 | buf = kmalloc(size, GFP_KERNEL); | |
253 | if (!buf) | |
254 | return -ENOMEM; | |
d9f51b51 BS |
255 | |
256 | pipe = usb_rcvctrlpipe(udev, 0); | |
517828a8 SG |
257 | ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION, |
258 | USB_TYPE_VENDOR | USB_DIR_IN, 0, 0, | |
259 | buf, size, USB_CTRL_SET_TIMEOUT); | |
260 | ||
261 | memcpy(version, buf, size); | |
262 | kfree(buf); | |
263 | ||
264 | return ret; | |
d9f51b51 BS |
265 | } |
266 | ||
267 | static int ath3k_load_fwfile(struct usb_device *udev, | |
268 | const struct firmware *firmware) | |
269 | { | |
270 | u8 *send_buf; | |
271 | int err, pipe, len, size, count, sent = 0; | |
272 | int ret; | |
273 | ||
274 | count = firmware->size; | |
275 | ||
52a1020e | 276 | send_buf = kmalloc(BULK_SIZE, GFP_KERNEL); |
d9f51b51 BS |
277 | if (!send_buf) { |
278 | BT_ERR("Can't allocate memory chunk for firmware"); | |
279 | return -ENOMEM; | |
280 | } | |
281 | ||
282 | size = min_t(uint, count, FW_HDR_SIZE); | |
283 | memcpy(send_buf, firmware->data, size); | |
284 | ||
285 | pipe = usb_sndctrlpipe(udev, 0); | |
286 | ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD, | |
287 | USB_TYPE_VENDOR, 0, 0, send_buf, | |
288 | size, USB_CTRL_SET_TIMEOUT); | |
289 | if (ret < 0) { | |
290 | BT_ERR("Can't change to loading configuration err"); | |
291 | kfree(send_buf); | |
292 | return ret; | |
293 | } | |
294 | ||
295 | sent += size; | |
296 | count -= size; | |
297 | ||
b0c3e138 AL |
298 | pipe = usb_sndbulkpipe(udev, 0x02); |
299 | ||
d9f51b51 BS |
300 | while (count) { |
301 | size = min_t(uint, count, BULK_SIZE); | |
d9f51b51 BS |
302 | memcpy(send_buf, firmware->data + sent, size); |
303 | ||
304 | err = usb_bulk_msg(udev, pipe, send_buf, size, | |
305 | &len, 3000); | |
306 | if (err || (len != size)) { | |
307 | BT_ERR("Error in firmware loading err = %d," | |
308 | "len = %d, size = %d", err, len, size); | |
309 | kfree(send_buf); | |
310 | return err; | |
311 | } | |
312 | sent += size; | |
313 | count -= size; | |
314 | } | |
315 | ||
316 | kfree(send_buf); | |
317 | return 0; | |
318 | } | |
319 | ||
320 | static int ath3k_switch_pid(struct usb_device *udev) | |
321 | { | |
322 | int pipe = 0; | |
323 | ||
324 | pipe = usb_sndctrlpipe(udev, 0); | |
325 | return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID, | |
326 | USB_TYPE_VENDOR, 0, 0, | |
327 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
328 | } | |
329 | ||
330 | static int ath3k_set_normal_mode(struct usb_device *udev) | |
331 | { | |
332 | unsigned char fw_state; | |
333 | int pipe = 0, ret; | |
334 | ||
335 | ret = ath3k_get_state(udev, &fw_state); | |
336 | if (ret < 0) { | |
337 | BT_ERR("Can't get state to change to normal mode err"); | |
338 | return ret; | |
339 | } | |
340 | ||
341 | if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) { | |
342 | BT_DBG("firmware was already in normal mode"); | |
343 | return 0; | |
344 | } | |
345 | ||
346 | pipe = usb_sndctrlpipe(udev, 0); | |
347 | return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE, | |
348 | USB_TYPE_VENDOR, 0, 0, | |
349 | NULL, 0, USB_CTRL_SET_TIMEOUT); | |
350 | } | |
351 | ||
352 | static int ath3k_load_patch(struct usb_device *udev) | |
353 | { | |
354 | unsigned char fw_state; | |
355 | char filename[ATH3K_NAME_LEN] = {0}; | |
356 | const struct firmware *firmware; | |
72dd2b2a MH |
357 | struct ath3k_version fw_version; |
358 | __u32 pt_rom_version, pt_build_version; | |
d9f51b51 BS |
359 | int ret; |
360 | ||
361 | ret = ath3k_get_state(udev, &fw_state); | |
362 | if (ret < 0) { | |
363 | BT_ERR("Can't get state to change to load ram patch err"); | |
364 | return ret; | |
365 | } | |
366 | ||
367 | if (fw_state & ATH3K_PATCH_UPDATE) { | |
368 | BT_DBG("Patch was already downloaded"); | |
369 | return 0; | |
370 | } | |
371 | ||
372 | ret = ath3k_get_version(udev, &fw_version); | |
373 | if (ret < 0) { | |
374 | BT_ERR("Can't get version to change to load ram patch err"); | |
375 | return ret; | |
376 | } | |
377 | ||
378 | snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu", | |
72dd2b2a | 379 | le32_to_cpu(fw_version.rom_version)); |
d9f51b51 BS |
380 | |
381 | ret = request_firmware(&firmware, filename, &udev->dev); | |
382 | if (ret < 0) { | |
383 | BT_ERR("Patch file not found %s", filename); | |
384 | return ret; | |
385 | } | |
386 | ||
72dd2b2a MH |
387 | pt_rom_version = get_unaligned_le32(firmware->data + |
388 | firmware->size - 8); | |
389 | pt_build_version = get_unaligned_le32(firmware->data + | |
390 | firmware->size - 4); | |
d9f51b51 | 391 | |
72dd2b2a MH |
392 | if (pt_rom_version != le32_to_cpu(fw_version.rom_version) || |
393 | pt_build_version <= le32_to_cpu(fw_version.build_version)) { | |
d9f51b51 BS |
394 | BT_ERR("Patch file version did not match with firmware"); |
395 | release_firmware(firmware); | |
396 | return -EINVAL; | |
397 | } | |
398 | ||
399 | ret = ath3k_load_fwfile(udev, firmware); | |
400 | release_firmware(firmware); | |
401 | ||
402 | return ret; | |
403 | } | |
404 | ||
405 | static int ath3k_load_syscfg(struct usb_device *udev) | |
406 | { | |
407 | unsigned char fw_state; | |
408 | char filename[ATH3K_NAME_LEN] = {0}; | |
409 | const struct firmware *firmware; | |
410 | struct ath3k_version fw_version; | |
411 | int clk_value, ret; | |
412 | ||
413 | ret = ath3k_get_state(udev, &fw_state); | |
414 | if (ret < 0) { | |
8a168ca7 | 415 | BT_ERR("Can't get state to change to load configuration err"); |
d9f51b51 BS |
416 | return -EBUSY; |
417 | } | |
418 | ||
419 | ret = ath3k_get_version(udev, &fw_version); | |
420 | if (ret < 0) { | |
421 | BT_ERR("Can't get version to change to load ram patch err"); | |
422 | return ret; | |
423 | } | |
424 | ||
425 | switch (fw_version.ref_clock) { | |
426 | ||
427 | case ATH3K_XTAL_FREQ_26M: | |
428 | clk_value = 26; | |
429 | break; | |
430 | case ATH3K_XTAL_FREQ_40M: | |
431 | clk_value = 40; | |
432 | break; | |
433 | case ATH3K_XTAL_FREQ_19P2: | |
434 | clk_value = 19; | |
435 | break; | |
436 | default: | |
437 | clk_value = 0; | |
438 | break; | |
439 | } | |
440 | ||
441 | snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s", | |
b9e2535a | 442 | le32_to_cpu(fw_version.rom_version), clk_value, ".dfu"); |
d9f51b51 BS |
443 | |
444 | ret = request_firmware(&firmware, filename, &udev->dev); | |
445 | if (ret < 0) { | |
446 | BT_ERR("Configuration file not found %s", filename); | |
447 | return ret; | |
448 | } | |
449 | ||
450 | ret = ath3k_load_fwfile(udev, firmware); | |
451 | release_firmware(firmware); | |
452 | ||
453 | return ret; | |
454 | } | |
455 | ||
9670d80a VK |
456 | static int ath3k_probe(struct usb_interface *intf, |
457 | const struct usb_device_id *id) | |
458 | { | |
459 | const struct firmware *firmware; | |
460 | struct usb_device *udev = interface_to_usbdev(intf); | |
84f0e17f | 461 | int ret; |
9670d80a VK |
462 | |
463 | BT_DBG("intf %p id %p", intf, id); | |
464 | ||
465 | if (intf->cur_altsetting->desc.bInterfaceNumber != 0) | |
466 | return -ENODEV; | |
467 | ||
d9f51b51 BS |
468 | /* match device ID in ath3k blacklist table */ |
469 | if (!id->driver_info) { | |
470 | const struct usb_device_id *match; | |
471 | match = usb_match_id(intf, ath3k_blist_tbl); | |
472 | if (match) | |
473 | id = match; | |
474 | } | |
475 | ||
476 | /* load patch and sysconfig files for AR3012 */ | |
477 | if (id->driver_info & BTUSB_ATH3012) { | |
2d25f8b4 SL |
478 | |
479 | /* New firmware with patch and sysconfig files already loaded */ | |
480 | if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001) | |
481 | return -ENODEV; | |
482 | ||
d9f51b51 BS |
483 | ret = ath3k_load_patch(udev); |
484 | if (ret < 0) { | |
485 | BT_ERR("Loading patch file failed"); | |
486 | return ret; | |
487 | } | |
488 | ret = ath3k_load_syscfg(udev); | |
489 | if (ret < 0) { | |
490 | BT_ERR("Loading sysconfig file failed"); | |
491 | return ret; | |
492 | } | |
493 | ret = ath3k_set_normal_mode(udev); | |
494 | if (ret < 0) { | |
495 | BT_ERR("Set normal mode failed"); | |
496 | return ret; | |
497 | } | |
498 | ath3k_switch_pid(udev); | |
499 | return 0; | |
500 | } | |
501 | ||
c3eae82a PF |
502 | ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev); |
503 | if (ret < 0) { | |
504 | if (ret == -ENOENT) | |
505 | BT_ERR("Firmware file \"%s\" not found", | |
506 | ATH3K_FIRMWARE); | |
507 | else | |
508 | BT_ERR("Firmware file \"%s\" request failed (err=%d)", | |
509 | ATH3K_FIRMWARE, ret); | |
510 | return ret; | |
9670d80a VK |
511 | } |
512 | ||
84f0e17f | 513 | ret = ath3k_load_firmware(udev, firmware); |
86e09287 | 514 | release_firmware(firmware); |
9670d80a | 515 | |
84f0e17f | 516 | return ret; |
9670d80a VK |
517 | } |
518 | ||
519 | static void ath3k_disconnect(struct usb_interface *intf) | |
520 | { | |
9670d80a | 521 | BT_DBG("ath3k_disconnect intf %p", intf); |
9670d80a VK |
522 | } |
523 | ||
524 | static struct usb_driver ath3k_driver = { | |
525 | .name = "ath3k", | |
526 | .probe = ath3k_probe, | |
527 | .disconnect = ath3k_disconnect, | |
528 | .id_table = ath3k_table, | |
e1f12eb6 | 529 | .disable_hub_initiated_lpm = 1, |
9670d80a VK |
530 | }; |
531 | ||
93f1508c | 532 | module_usb_driver(ath3k_driver); |
9670d80a VK |
533 | |
534 | MODULE_AUTHOR("Atheros Communications"); | |
535 | MODULE_DESCRIPTION("Atheros AR30xx firmware driver"); | |
536 | MODULE_VERSION(VERSION); | |
537 | MODULE_LICENSE("GPL"); | |
c3eae82a | 538 | MODULE_FIRMWARE(ATH3K_FIRMWARE); |