blob: 59b2e6a4091315680b3a05b94c375bcc8c10cc84 [file] [log] [blame]
Vikram Kandukuri9670d802010-01-06 19:04:15 +05301/*
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 <net/bluetooth/bluetooth.h>
31
32#define VERSION "1.0"
Paul Fertserc3eae822011-10-29 21:52:49 +040033#define ATH3K_FIRMWARE "ath3k-1.fw"
Vikram Kandukuri9670d802010-01-06 19:04:15 +053034
Bala Shanmugamd9f51b52011-02-11 15:38:53 +053035#define ATH3K_DNLOAD 0x01
36#define ATH3K_GETSTATE 0x05
37#define ATH3K_SET_NORMAL_MODE 0x07
38#define ATH3K_GETVERSION 0x09
39#define USB_REG_SWITCH_VID_PID 0x0a
40
41#define ATH3K_MODE_MASK 0x3F
42#define ATH3K_NORMAL_MODE 0x0E
43
44#define ATH3K_PATCH_UPDATE 0x80
45#define ATH3K_SYSCFG_UPDATE 0x40
46
47#define ATH3K_XTAL_FREQ_26M 0x00
48#define ATH3K_XTAL_FREQ_40M 0x01
49#define ATH3K_XTAL_FREQ_19P2 0x02
50#define ATH3K_NAME_LEN 0xFF
51
52struct ath3k_version {
53 unsigned int rom_version;
54 unsigned int build_version;
55 unsigned int ram_version;
56 unsigned char ref_clock;
57 unsigned char reserved[0x07];
58};
Vikram Kandukuri9670d802010-01-06 19:04:15 +053059
Marcel Holtmann3932eb32013-10-11 07:46:21 -070060static const struct usb_device_id ath3k_table[] = {
Vikram Kandukuri9670d802010-01-06 19:04:15 +053061 /* Atheros AR3011 */
62 { USB_DEVICE(0x0CF3, 0x3000) },
Bala Shanmugambe931122010-11-26 17:35:46 +053063
64 /* Atheros AR3011 with sflash firmware*/
Andy Shevchenko0b880062014-02-18 18:26:19 +020065 { USB_DEVICE(0x0489, 0xE027) },
66 { USB_DEVICE(0x0489, 0xE03D) },
67 { USB_DEVICE(0x0930, 0x0215) },
Bala Shanmugambe931122010-11-26 17:35:46 +053068 { USB_DEVICE(0x0CF3, 0x3002) },
Marek Vasut6eda5412012-06-08 14:32:50 +020069 { USB_DEVICE(0x0CF3, 0xE019) },
Andy Ross2a7bccc2011-05-09 16:11:16 -070070 { USB_DEVICE(0x13d3, 0x3304) },
Bala Shanmugambe931122010-11-26 17:35:46 +053071
Cho, Yu-Chen509e7862011-01-26 17:10:59 +080072 /* Atheros AR9285 Malbec with sflash firmware */
73 { USB_DEVICE(0x03F0, 0x311D) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +053074
75 /* Atheros AR3012 with sflash firmware*/
Andy Shevchenko0b880062014-02-18 18:26:19 +020076 { USB_DEVICE(0x0489, 0xe04d) },
77 { USB_DEVICE(0x0489, 0xe04e) },
78 { USB_DEVICE(0x0489, 0xe057) },
79 { USB_DEVICE(0x0489, 0xe056) },
80 { USB_DEVICE(0x0489, 0xe05f) },
81 { USB_DEVICE(0x04c5, 0x1330) },
82 { USB_DEVICE(0x04CA, 0x3004) },
83 { USB_DEVICE(0x04CA, 0x3005) },
84 { USB_DEVICE(0x04CA, 0x3006) },
85 { USB_DEVICE(0x04CA, 0x3008) },
86 { USB_DEVICE(0x04CA, 0x300b) },
87 { USB_DEVICE(0x0930, 0x0219) },
88 { USB_DEVICE(0x0930, 0x0220) },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +020089 { USB_DEVICE(0x0b05, 0x17d0) },
Ming Leid66629c2013-03-15 11:00:39 +080090 { USB_DEVICE(0x0CF3, 0x0036) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +053091 { USB_DEVICE(0x0CF3, 0x3004) },
Sunguk Lee94a32d102013-03-12 04:41:58 +090092 { USB_DEVICE(0x0CF3, 0x3008) },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +020093 { USB_DEVICE(0x0CF3, 0x311D) },
Oliver Neukumb1312372014-01-16 15:37:11 +010094 { USB_DEVICE(0x0CF3, 0x311E) },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +010095 { USB_DEVICE(0x0CF3, 0x311F) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020096 { USB_DEVICE(0x0cf3, 0x3121) },
Ming Leiebaf5792013-03-18 23:45:11 +080097 { USB_DEVICE(0x0CF3, 0x817a) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020098 { USB_DEVICE(0x0cf3, 0xe003) },
AceLan Kaoac713112012-04-19 14:53:45 +080099 { USB_DEVICE(0x0CF3, 0xE004) },
Peng Chen0a3658c2013-08-30 17:41:40 +0800100 { USB_DEVICE(0x0CF3, 0xE005) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200101 { USB_DEVICE(0x13d3, 0x3362) },
102 { USB_DEVICE(0x13d3, 0x3375) },
AceLan Kaoeed307e2012-12-11 11:41:20 +0800103 { USB_DEVICE(0x13d3, 0x3393) },
Sujith Manoharan5b77a1f2013-07-15 09:29:03 +0530104 { USB_DEVICE(0x13d3, 0x3402) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530105
Cho, Yu-Chene9036e32011-02-15 10:20:07 +0800106 /* Atheros AR5BBU12 with sflash firmware */
107 { USB_DEVICE(0x0489, 0xE02C) },
John W. Linvilleb67afe72011-02-18 17:03:41 -0500108
Michael Gruetzner85d59722012-05-02 22:33:40 +0200109 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530110 { USB_DEVICE(0x0489, 0xE036) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200111 { USB_DEVICE(0x0489, 0xE03C) },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200112
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530113 { } /* Terminating entry */
114};
115
116MODULE_DEVICE_TABLE(usb, ath3k_table);
117
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530118#define BTUSB_ATH3012 0x80
119/* This table is to load patch and sysconfig files
120 * for AR3012 */
Marcel Holtmann3932eb32013-10-11 07:46:21 -0700121static const struct usb_device_id ath3k_blist_tbl[] = {
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530122
123 /* Atheros AR3012 with sflash firmware*/
Andy Shevchenko0b880062014-02-18 18:26:19 +0200124 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
125 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
126 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
127 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
128 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
129 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
130 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
131 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
132 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
133 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
134 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
135 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
136 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200137 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
Ming Leid66629c2013-03-15 11:00:39 +0800138 { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530139 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900140 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200141 { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
Oliver Neukumb1312372014-01-16 15:37:11 +0100142 { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100143 { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200144 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
Ming Leiebaf5792013-03-18 23:45:11 +0800145 { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
AceLan Kaoac713112012-04-19 14:53:45 +0800146 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
Peng Chen0a3658c2013-08-30 17:41:40 +0800147 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
AceLan Kao1d5b5692013-06-20 13:38:45 +0800148 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200149 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
150 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
151 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
152 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530153
Michael Gruetzner85d59722012-05-02 22:33:40 +0200154 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530155 { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200156 { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200157
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530158 { } /* Terminating entry */
159};
160
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530161#define USB_REQ_DFU_DNLOAD 1
162#define BULK_SIZE 4096
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530163#define FW_HDR_SIZE 20
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530164
Alexander Holler86e09282010-11-22 21:09:01 +0100165static int ath3k_load_firmware(struct usb_device *udev,
166 const struct firmware *firmware)
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530167{
168 u8 *send_buf;
169 int err, pipe, len, size, sent = 0;
Alexander Holler86e09282010-11-22 21:09:01 +0100170 int count = firmware->size;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530171
Alexander Holler86e09282010-11-22 21:09:01 +0100172 BT_DBG("udev %p", udev);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530173
Alexander Holler86e09282010-11-22 21:09:01 +0100174 pipe = usb_sndctrlpipe(udev, 0);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530175
David Herrmann52a10202011-10-25 12:09:52 +0200176 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530177 if (!send_buf) {
178 BT_ERR("Can't allocate memory chunk for firmware");
179 return -ENOMEM;
180 }
181
Alexander Holler86e09282010-11-22 21:09:01 +0100182 memcpy(send_buf, firmware->data, 20);
Valentin Iliea08b15e2013-08-12 18:46:00 +0300183 err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
184 0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
185 if (err < 0) {
Alexander Holler86e09282010-11-22 21:09:01 +0100186 BT_ERR("Can't change to loading configuration err");
187 goto error;
188 }
189 sent += 20;
190 count -= 20;
191
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530192 while (count) {
193 size = min_t(uint, count, BULK_SIZE);
Alexander Holler86e09282010-11-22 21:09:01 +0100194 pipe = usb_sndbulkpipe(udev, 0x02);
195 memcpy(send_buf, firmware->data + sent, size);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530196
Alexander Holler86e09282010-11-22 21:09:01 +0100197 err = usb_bulk_msg(udev, pipe, send_buf, size,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530198 &len, 3000);
199
200 if (err || (len != size)) {
201 BT_ERR("Error in firmware loading err = %d,"
202 "len = %d, size = %d", err, len, size);
203 goto error;
204 }
205
206 sent += size;
207 count -= size;
208 }
209
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530210error:
211 kfree(send_buf);
212 return err;
213}
214
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530215static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
216{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200217 int ret, pipe = 0;
218 char *buf;
219
220 buf = kmalloc(sizeof(*buf), GFP_KERNEL);
221 if (!buf)
222 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530223
224 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200225 ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
226 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
227 buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
228
229 *state = *buf;
230 kfree(buf);
231
232 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530233}
234
235static int ath3k_get_version(struct usb_device *udev,
236 struct ath3k_version *version)
237{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200238 int ret, pipe = 0;
239 struct ath3k_version *buf;
240 const int size = sizeof(*buf);
241
242 buf = kmalloc(size, GFP_KERNEL);
243 if (!buf)
244 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530245
246 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200247 ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
248 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
249 buf, size, USB_CTRL_SET_TIMEOUT);
250
251 memcpy(version, buf, size);
252 kfree(buf);
253
254 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530255}
256
257static int ath3k_load_fwfile(struct usb_device *udev,
258 const struct firmware *firmware)
259{
260 u8 *send_buf;
261 int err, pipe, len, size, count, sent = 0;
262 int ret;
263
264 count = firmware->size;
265
David Herrmann52a10202011-10-25 12:09:52 +0200266 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530267 if (!send_buf) {
268 BT_ERR("Can't allocate memory chunk for firmware");
269 return -ENOMEM;
270 }
271
272 size = min_t(uint, count, FW_HDR_SIZE);
273 memcpy(send_buf, firmware->data, size);
274
275 pipe = usb_sndctrlpipe(udev, 0);
276 ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
277 USB_TYPE_VENDOR, 0, 0, send_buf,
278 size, USB_CTRL_SET_TIMEOUT);
279 if (ret < 0) {
280 BT_ERR("Can't change to loading configuration err");
281 kfree(send_buf);
282 return ret;
283 }
284
285 sent += size;
286 count -= size;
287
288 while (count) {
289 size = min_t(uint, count, BULK_SIZE);
290 pipe = usb_sndbulkpipe(udev, 0x02);
291
292 memcpy(send_buf, firmware->data + sent, size);
293
294 err = usb_bulk_msg(udev, pipe, send_buf, size,
295 &len, 3000);
296 if (err || (len != size)) {
297 BT_ERR("Error in firmware loading err = %d,"
298 "len = %d, size = %d", err, len, size);
299 kfree(send_buf);
300 return err;
301 }
302 sent += size;
303 count -= size;
304 }
305
306 kfree(send_buf);
307 return 0;
308}
309
310static int ath3k_switch_pid(struct usb_device *udev)
311{
312 int pipe = 0;
313
314 pipe = usb_sndctrlpipe(udev, 0);
315 return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
316 USB_TYPE_VENDOR, 0, 0,
317 NULL, 0, USB_CTRL_SET_TIMEOUT);
318}
319
320static int ath3k_set_normal_mode(struct usb_device *udev)
321{
322 unsigned char fw_state;
323 int pipe = 0, ret;
324
325 ret = ath3k_get_state(udev, &fw_state);
326 if (ret < 0) {
327 BT_ERR("Can't get state to change to normal mode err");
328 return ret;
329 }
330
331 if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
332 BT_DBG("firmware was already in normal mode");
333 return 0;
334 }
335
336 pipe = usb_sndctrlpipe(udev, 0);
337 return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
338 USB_TYPE_VENDOR, 0, 0,
339 NULL, 0, USB_CTRL_SET_TIMEOUT);
340}
341
342static int ath3k_load_patch(struct usb_device *udev)
343{
344 unsigned char fw_state;
345 char filename[ATH3K_NAME_LEN] = {0};
346 const struct firmware *firmware;
347 struct ath3k_version fw_version, pt_version;
348 int ret;
349
350 ret = ath3k_get_state(udev, &fw_state);
351 if (ret < 0) {
352 BT_ERR("Can't get state to change to load ram patch err");
353 return ret;
354 }
355
356 if (fw_state & ATH3K_PATCH_UPDATE) {
357 BT_DBG("Patch was already downloaded");
358 return 0;
359 }
360
361 ret = ath3k_get_version(udev, &fw_version);
362 if (ret < 0) {
363 BT_ERR("Can't get version to change to load ram patch err");
364 return ret;
365 }
366
367 snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
368 fw_version.rom_version);
369
370 ret = request_firmware(&firmware, filename, &udev->dev);
371 if (ret < 0) {
372 BT_ERR("Patch file not found %s", filename);
373 return ret;
374 }
375
376 pt_version.rom_version = *(int *)(firmware->data + firmware->size - 8);
377 pt_version.build_version = *(int *)
378 (firmware->data + firmware->size - 4);
379
380 if ((pt_version.rom_version != fw_version.rom_version) ||
381 (pt_version.build_version <= fw_version.build_version)) {
382 BT_ERR("Patch file version did not match with firmware");
383 release_firmware(firmware);
384 return -EINVAL;
385 }
386
387 ret = ath3k_load_fwfile(udev, firmware);
388 release_firmware(firmware);
389
390 return ret;
391}
392
393static int ath3k_load_syscfg(struct usb_device *udev)
394{
395 unsigned char fw_state;
396 char filename[ATH3K_NAME_LEN] = {0};
397 const struct firmware *firmware;
398 struct ath3k_version fw_version;
399 int clk_value, ret;
400
401 ret = ath3k_get_state(udev, &fw_state);
402 if (ret < 0) {
Masanari Iida8a168ca2012-12-29 02:00:09 +0900403 BT_ERR("Can't get state to change to load configuration err");
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530404 return -EBUSY;
405 }
406
407 ret = ath3k_get_version(udev, &fw_version);
408 if (ret < 0) {
409 BT_ERR("Can't get version to change to load ram patch err");
410 return ret;
411 }
412
413 switch (fw_version.ref_clock) {
414
415 case ATH3K_XTAL_FREQ_26M:
416 clk_value = 26;
417 break;
418 case ATH3K_XTAL_FREQ_40M:
419 clk_value = 40;
420 break;
421 case ATH3K_XTAL_FREQ_19P2:
422 clk_value = 19;
423 break;
424 default:
425 clk_value = 0;
426 break;
427 }
428
429 snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
430 fw_version.rom_version, clk_value, ".dfu");
431
432 ret = request_firmware(&firmware, filename, &udev->dev);
433 if (ret < 0) {
434 BT_ERR("Configuration file not found %s", filename);
435 return ret;
436 }
437
438 ret = ath3k_load_fwfile(udev, firmware);
439 release_firmware(firmware);
440
441 return ret;
442}
443
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530444static int ath3k_probe(struct usb_interface *intf,
445 const struct usb_device_id *id)
446{
447 const struct firmware *firmware;
448 struct usb_device *udev = interface_to_usbdev(intf);
Rogério Brito84f0e172011-02-03 01:42:05 -0200449 int ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530450
451 BT_DBG("intf %p id %p", intf, id);
452
453 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
454 return -ENODEV;
455
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530456 /* match device ID in ath3k blacklist table */
457 if (!id->driver_info) {
458 const struct usb_device_id *match;
459 match = usb_match_id(intf, ath3k_blist_tbl);
460 if (match)
461 id = match;
462 }
463
464 /* load patch and sysconfig files for AR3012 */
465 if (id->driver_info & BTUSB_ATH3012) {
Steven.Li2d25f8b2011-07-01 14:02:36 +0800466
467 /* New firmware with patch and sysconfig files already loaded */
468 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
469 return -ENODEV;
470
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530471 ret = ath3k_load_patch(udev);
472 if (ret < 0) {
473 BT_ERR("Loading patch file failed");
474 return ret;
475 }
476 ret = ath3k_load_syscfg(udev);
477 if (ret < 0) {
478 BT_ERR("Loading sysconfig file failed");
479 return ret;
480 }
481 ret = ath3k_set_normal_mode(udev);
482 if (ret < 0) {
483 BT_ERR("Set normal mode failed");
484 return ret;
485 }
486 ath3k_switch_pid(udev);
487 return 0;
488 }
489
Paul Fertserc3eae822011-10-29 21:52:49 +0400490 ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
491 if (ret < 0) {
492 if (ret == -ENOENT)
493 BT_ERR("Firmware file \"%s\" not found",
494 ATH3K_FIRMWARE);
495 else
496 BT_ERR("Firmware file \"%s\" request failed (err=%d)",
497 ATH3K_FIRMWARE, ret);
498 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530499 }
500
Rogério Brito84f0e172011-02-03 01:42:05 -0200501 ret = ath3k_load_firmware(udev, firmware);
Alexander Holler86e09282010-11-22 21:09:01 +0100502 release_firmware(firmware);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530503
Rogério Brito84f0e172011-02-03 01:42:05 -0200504 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530505}
506
507static void ath3k_disconnect(struct usb_interface *intf)
508{
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530509 BT_DBG("ath3k_disconnect intf %p", intf);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530510}
511
512static struct usb_driver ath3k_driver = {
513 .name = "ath3k",
514 .probe = ath3k_probe,
515 .disconnect = ath3k_disconnect,
516 .id_table = ath3k_table,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -0700517 .disable_hub_initiated_lpm = 1,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530518};
519
Greg Kroah-Hartman93f15082011-11-18 09:47:34 -0800520module_usb_driver(ath3k_driver);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530521
522MODULE_AUTHOR("Atheros Communications");
523MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
524MODULE_VERSION(VERSION);
525MODULE_LICENSE("GPL");
Paul Fertserc3eae822011-10-29 21:52:49 +0400526MODULE_FIRMWARE(ATH3K_FIRMWARE);