blob: d85ced27ebd58f5a40b1881032daced2aedf82b0 [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>
Marcel Holtmann72dd2b22014-07-20 17:29:59 +020030#include <asm/unaligned.h>
Vikram Kandukuri9670d802010-01-06 19:04:15 +053031#include <net/bluetooth/bluetooth.h>
32
33#define VERSION "1.0"
Paul Fertserc3eae822011-10-29 21:52:49 +040034#define ATH3K_FIRMWARE "ath3k-1.fw"
Vikram Kandukuri9670d802010-01-06 19:04:15 +053035
Bala Shanmugamd9f51b52011-02-11 15:38:53 +053036#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 {
Marcel Holtmann72dd2b22014-07-20 17:29:59 +020054 __le32 rom_version;
55 __le32 build_version;
56 __le32 ram_version;
57 __u8 ref_clock;
58 __u8 reserved[7];
59} __packed;
Vikram Kandukuri9670d802010-01-06 19:04:15 +053060
Marcel Holtmann3932eb32013-10-11 07:46:21 -070061static const struct usb_device_id ath3k_table[] = {
Vikram Kandukuri9670d802010-01-06 19:04:15 +053062 /* Atheros AR3011 */
63 { USB_DEVICE(0x0CF3, 0x3000) },
Bala Shanmugambe931122010-11-26 17:35:46 +053064
65 /* Atheros AR3011 with sflash firmware*/
Andy Shevchenko0b880062014-02-18 18:26:19 +020066 { USB_DEVICE(0x0489, 0xE027) },
67 { USB_DEVICE(0x0489, 0xE03D) },
68 { USB_DEVICE(0x0930, 0x0215) },
Bala Shanmugambe931122010-11-26 17:35:46 +053069 { USB_DEVICE(0x0CF3, 0x3002) },
Marek Vasut6eda5412012-06-08 14:32:50 +020070 { USB_DEVICE(0x0CF3, 0xE019) },
Andy Ross2a7bccc2011-05-09 16:11:16 -070071 { USB_DEVICE(0x13d3, 0x3304) },
Bala Shanmugambe931122010-11-26 17:35:46 +053072
Cho, Yu-Chen509e7862011-01-26 17:10:59 +080073 /* Atheros AR9285 Malbec with sflash firmware */
74 { USB_DEVICE(0x03F0, 0x311D) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +053075
76 /* Atheros AR3012 with sflash firmware*/
Andy Shevchenko0b880062014-02-18 18:26:19 +020077 { USB_DEVICE(0x0489, 0xe04d) },
78 { USB_DEVICE(0x0489, 0xe04e) },
79 { USB_DEVICE(0x0489, 0xe057) },
80 { USB_DEVICE(0x0489, 0xe056) },
81 { USB_DEVICE(0x0489, 0xe05f) },
82 { USB_DEVICE(0x04c5, 0x1330) },
83 { USB_DEVICE(0x04CA, 0x3004) },
84 { USB_DEVICE(0x04CA, 0x3005) },
85 { USB_DEVICE(0x04CA, 0x3006) },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -070086 { USB_DEVICE(0x04CA, 0x3007) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020087 { USB_DEVICE(0x04CA, 0x3008) },
88 { USB_DEVICE(0x04CA, 0x300b) },
89 { USB_DEVICE(0x0930, 0x0219) },
90 { USB_DEVICE(0x0930, 0x0220) },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +010091 { USB_DEVICE(0x0930, 0x0227) },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +020092 { USB_DEVICE(0x0b05, 0x17d0) },
Ming Leid66629c2013-03-15 11:00:39 +080093 { USB_DEVICE(0x0CF3, 0x0036) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +053094 { USB_DEVICE(0x0CF3, 0x3004) },
Sunguk Lee94a32d102013-03-12 04:41:58 +090095 { USB_DEVICE(0x0CF3, 0x3008) },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +020096 { USB_DEVICE(0x0CF3, 0x311D) },
Oliver Neukumb1312372014-01-16 15:37:11 +010097 { USB_DEVICE(0x0CF3, 0x311E) },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +010098 { USB_DEVICE(0x0CF3, 0x311F) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020099 { USB_DEVICE(0x0cf3, 0x3121) },
Ming Leiebaf5792013-03-18 23:45:11 +0800100 { USB_DEVICE(0x0CF3, 0x817a) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200101 { USB_DEVICE(0x0cf3, 0xe003) },
AceLan Kaoac713112012-04-19 14:53:45 +0800102 { USB_DEVICE(0x0CF3, 0xE004) },
Peng Chen0a3658c2013-08-30 17:41:40 +0800103 { USB_DEVICE(0x0CF3, 0xE005) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200104 { USB_DEVICE(0x13d3, 0x3362) },
105 { USB_DEVICE(0x13d3, 0x3375) },
AceLan Kaoeed307e2012-12-11 11:41:20 +0800106 { USB_DEVICE(0x13d3, 0x3393) },
Sujith Manoharan5b77a1f2013-07-15 09:29:03 +0530107 { USB_DEVICE(0x13d3, 0x3402) },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530108 { USB_DEVICE(0x13d3, 0x3432) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530109
Cho, Yu-Chene9036e32011-02-15 10:20:07 +0800110 /* Atheros AR5BBU12 with sflash firmware */
111 { USB_DEVICE(0x0489, 0xE02C) },
John W. Linvilleb67afe72011-02-18 17:03:41 -0500112
Michael Gruetzner85d59722012-05-02 22:33:40 +0200113 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530114 { USB_DEVICE(0x0489, 0xE036) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200115 { USB_DEVICE(0x0489, 0xE03C) },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200116
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530117 { } /* Terminating entry */
118};
119
120MODULE_DEVICE_TABLE(usb, ath3k_table);
121
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530122#define BTUSB_ATH3012 0x80
123/* This table is to load patch and sysconfig files
124 * for AR3012 */
Marcel Holtmann3932eb32013-10-11 07:46:21 -0700125static const struct usb_device_id ath3k_blist_tbl[] = {
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530126
127 /* Atheros AR3012 with sflash firmware*/
Andy Shevchenko0b880062014-02-18 18:26:19 +0200128 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
129 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
130 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
131 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
132 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
133 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
134 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
135 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
136 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -0700137 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200138 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
139 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
140 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
141 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +0100142 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200143 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
Ming Leid66629c2013-03-15 11:00:39 +0800144 { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530145 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900146 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200147 { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
Oliver Neukumb1312372014-01-16 15:37:11 +0100148 { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100149 { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200150 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
Ming Leiebaf5792013-03-18 23:45:11 +0800151 { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
AceLan Kaoac713112012-04-19 14:53:45 +0800152 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
Peng Chen0a3658c2013-08-30 17:41:40 +0800153 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
AceLan Kao1d5b5692013-06-20 13:38:45 +0800154 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200155 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
156 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
157 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
158 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530159 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530160
Michael Gruetzner85d59722012-05-02 22:33:40 +0200161 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530162 { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200163 { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200164
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530165 { } /* Terminating entry */
166};
167
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530168#define USB_REQ_DFU_DNLOAD 1
169#define BULK_SIZE 4096
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530170#define FW_HDR_SIZE 20
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530171
Alexander Holler86e09282010-11-22 21:09:01 +0100172static int ath3k_load_firmware(struct usb_device *udev,
173 const struct firmware *firmware)
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530174{
175 u8 *send_buf;
176 int err, pipe, len, size, sent = 0;
Alexander Holler86e09282010-11-22 21:09:01 +0100177 int count = firmware->size;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530178
Alexander Holler86e09282010-11-22 21:09:01 +0100179 BT_DBG("udev %p", udev);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530180
Alexander Holler86e09282010-11-22 21:09:01 +0100181 pipe = usb_sndctrlpipe(udev, 0);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530182
David Herrmann52a10202011-10-25 12:09:52 +0200183 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530184 if (!send_buf) {
185 BT_ERR("Can't allocate memory chunk for firmware");
186 return -ENOMEM;
187 }
188
Alexander Holler86e09282010-11-22 21:09:01 +0100189 memcpy(send_buf, firmware->data, 20);
Valentin Iliea08b15e2013-08-12 18:46:00 +0300190 err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
191 0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
192 if (err < 0) {
Alexander Holler86e09282010-11-22 21:09:01 +0100193 BT_ERR("Can't change to loading configuration err");
194 goto error;
195 }
196 sent += 20;
197 count -= 20;
198
Adam Lee3abb56d2014-05-27 13:49:07 +0800199 pipe = usb_sndbulkpipe(udev, 0x02);
200
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530201 while (count) {
202 size = min_t(uint, count, BULK_SIZE);
Alexander Holler86e09282010-11-22 21:09:01 +0100203 memcpy(send_buf, firmware->data + sent, size);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530204
Alexander Holler86e09282010-11-22 21:09:01 +0100205 err = usb_bulk_msg(udev, pipe, send_buf, size,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530206 &len, 3000);
207
208 if (err || (len != size)) {
209 BT_ERR("Error in firmware loading err = %d,"
210 "len = %d, size = %d", err, len, size);
211 goto error;
212 }
213
214 sent += size;
215 count -= size;
216 }
217
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530218error:
219 kfree(send_buf);
220 return err;
221}
222
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530223static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
224{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200225 int ret, pipe = 0;
226 char *buf;
227
228 buf = kmalloc(sizeof(*buf), GFP_KERNEL);
229 if (!buf)
230 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530231
232 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200233 ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
234 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
235 buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
236
237 *state = *buf;
238 kfree(buf);
239
240 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530241}
242
243static int ath3k_get_version(struct usb_device *udev,
244 struct ath3k_version *version)
245{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200246 int ret, pipe = 0;
247 struct ath3k_version *buf;
248 const int size = sizeof(*buf);
249
250 buf = kmalloc(size, GFP_KERNEL);
251 if (!buf)
252 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530253
254 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200255 ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
256 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
257 buf, size, USB_CTRL_SET_TIMEOUT);
258
259 memcpy(version, buf, size);
260 kfree(buf);
261
262 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530263}
264
265static int ath3k_load_fwfile(struct usb_device *udev,
266 const struct firmware *firmware)
267{
268 u8 *send_buf;
269 int err, pipe, len, size, count, sent = 0;
270 int ret;
271
272 count = firmware->size;
273
David Herrmann52a10202011-10-25 12:09:52 +0200274 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530275 if (!send_buf) {
276 BT_ERR("Can't allocate memory chunk for firmware");
277 return -ENOMEM;
278 }
279
280 size = min_t(uint, count, FW_HDR_SIZE);
281 memcpy(send_buf, firmware->data, size);
282
283 pipe = usb_sndctrlpipe(udev, 0);
284 ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
285 USB_TYPE_VENDOR, 0, 0, send_buf,
286 size, USB_CTRL_SET_TIMEOUT);
287 if (ret < 0) {
288 BT_ERR("Can't change to loading configuration err");
289 kfree(send_buf);
290 return ret;
291 }
292
293 sent += size;
294 count -= size;
295
Adam Leeb0c3e132014-06-05 21:47:44 +0800296 pipe = usb_sndbulkpipe(udev, 0x02);
297
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530298 while (count) {
299 size = min_t(uint, count, BULK_SIZE);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530300 memcpy(send_buf, firmware->data + sent, size);
301
302 err = usb_bulk_msg(udev, pipe, send_buf, size,
303 &len, 3000);
304 if (err || (len != size)) {
305 BT_ERR("Error in firmware loading err = %d,"
306 "len = %d, size = %d", err, len, size);
307 kfree(send_buf);
308 return err;
309 }
310 sent += size;
311 count -= size;
312 }
313
314 kfree(send_buf);
315 return 0;
316}
317
318static int ath3k_switch_pid(struct usb_device *udev)
319{
320 int pipe = 0;
321
322 pipe = usb_sndctrlpipe(udev, 0);
323 return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
324 USB_TYPE_VENDOR, 0, 0,
325 NULL, 0, USB_CTRL_SET_TIMEOUT);
326}
327
328static int ath3k_set_normal_mode(struct usb_device *udev)
329{
330 unsigned char fw_state;
331 int pipe = 0, ret;
332
333 ret = ath3k_get_state(udev, &fw_state);
334 if (ret < 0) {
335 BT_ERR("Can't get state to change to normal mode err");
336 return ret;
337 }
338
339 if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
340 BT_DBG("firmware was already in normal mode");
341 return 0;
342 }
343
344 pipe = usb_sndctrlpipe(udev, 0);
345 return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
346 USB_TYPE_VENDOR, 0, 0,
347 NULL, 0, USB_CTRL_SET_TIMEOUT);
348}
349
350static int ath3k_load_patch(struct usb_device *udev)
351{
352 unsigned char fw_state;
353 char filename[ATH3K_NAME_LEN] = {0};
354 const struct firmware *firmware;
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200355 struct ath3k_version fw_version;
356 __u32 pt_rom_version, pt_build_version;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530357 int ret;
358
359 ret = ath3k_get_state(udev, &fw_state);
360 if (ret < 0) {
361 BT_ERR("Can't get state to change to load ram patch err");
362 return ret;
363 }
364
365 if (fw_state & ATH3K_PATCH_UPDATE) {
366 BT_DBG("Patch was already downloaded");
367 return 0;
368 }
369
370 ret = ath3k_get_version(udev, &fw_version);
371 if (ret < 0) {
372 BT_ERR("Can't get version to change to load ram patch err");
373 return ret;
374 }
375
376 snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200377 le32_to_cpu(fw_version.rom_version));
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530378
379 ret = request_firmware(&firmware, filename, &udev->dev);
380 if (ret < 0) {
381 BT_ERR("Patch file not found %s", filename);
382 return ret;
383 }
384
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200385 pt_rom_version = get_unaligned_le32(firmware->data +
386 firmware->size - 8);
387 pt_build_version = get_unaligned_le32(firmware->data +
388 firmware->size - 4);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530389
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200390 if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
391 pt_build_version <= le32_to_cpu(fw_version.build_version)) {
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530392 BT_ERR("Patch file version did not match with firmware");
393 release_firmware(firmware);
394 return -EINVAL;
395 }
396
397 ret = ath3k_load_fwfile(udev, firmware);
398 release_firmware(firmware);
399
400 return ret;
401}
402
403static int ath3k_load_syscfg(struct usb_device *udev)
404{
405 unsigned char fw_state;
406 char filename[ATH3K_NAME_LEN] = {0};
407 const struct firmware *firmware;
408 struct ath3k_version fw_version;
409 int clk_value, ret;
410
411 ret = ath3k_get_state(udev, &fw_state);
412 if (ret < 0) {
Masanari Iida8a168ca2012-12-29 02:00:09 +0900413 BT_ERR("Can't get state to change to load configuration err");
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530414 return -EBUSY;
415 }
416
417 ret = ath3k_get_version(udev, &fw_version);
418 if (ret < 0) {
419 BT_ERR("Can't get version to change to load ram patch err");
420 return ret;
421 }
422
423 switch (fw_version.ref_clock) {
424
425 case ATH3K_XTAL_FREQ_26M:
426 clk_value = 26;
427 break;
428 case ATH3K_XTAL_FREQ_40M:
429 clk_value = 40;
430 break;
431 case ATH3K_XTAL_FREQ_19P2:
432 clk_value = 19;
433 break;
434 default:
435 clk_value = 0;
436 break;
437 }
438
439 snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
Peng Chenb9e25352012-09-06 19:30:43 +0800440 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530441
442 ret = request_firmware(&firmware, filename, &udev->dev);
443 if (ret < 0) {
444 BT_ERR("Configuration file not found %s", filename);
445 return ret;
446 }
447
448 ret = ath3k_load_fwfile(udev, firmware);
449 release_firmware(firmware);
450
451 return ret;
452}
453
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530454static int ath3k_probe(struct usb_interface *intf,
455 const struct usb_device_id *id)
456{
457 const struct firmware *firmware;
458 struct usb_device *udev = interface_to_usbdev(intf);
Rogério Brito84f0e172011-02-03 01:42:05 -0200459 int ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530460
461 BT_DBG("intf %p id %p", intf, id);
462
463 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
464 return -ENODEV;
465
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530466 /* match device ID in ath3k blacklist table */
467 if (!id->driver_info) {
468 const struct usb_device_id *match;
469 match = usb_match_id(intf, ath3k_blist_tbl);
470 if (match)
471 id = match;
472 }
473
474 /* load patch and sysconfig files for AR3012 */
475 if (id->driver_info & BTUSB_ATH3012) {
Steven.Li2d25f8b2011-07-01 14:02:36 +0800476
477 /* New firmware with patch and sysconfig files already loaded */
478 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
479 return -ENODEV;
480
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530481 ret = ath3k_load_patch(udev);
482 if (ret < 0) {
483 BT_ERR("Loading patch file failed");
484 return ret;
485 }
486 ret = ath3k_load_syscfg(udev);
487 if (ret < 0) {
488 BT_ERR("Loading sysconfig file failed");
489 return ret;
490 }
491 ret = ath3k_set_normal_mode(udev);
492 if (ret < 0) {
493 BT_ERR("Set normal mode failed");
494 return ret;
495 }
496 ath3k_switch_pid(udev);
497 return 0;
498 }
499
Paul Fertserc3eae822011-10-29 21:52:49 +0400500 ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
501 if (ret < 0) {
502 if (ret == -ENOENT)
503 BT_ERR("Firmware file \"%s\" not found",
504 ATH3K_FIRMWARE);
505 else
506 BT_ERR("Firmware file \"%s\" request failed (err=%d)",
507 ATH3K_FIRMWARE, ret);
508 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530509 }
510
Rogério Brito84f0e172011-02-03 01:42:05 -0200511 ret = ath3k_load_firmware(udev, firmware);
Alexander Holler86e09282010-11-22 21:09:01 +0100512 release_firmware(firmware);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530513
Rogério Brito84f0e172011-02-03 01:42:05 -0200514 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530515}
516
517static void ath3k_disconnect(struct usb_interface *intf)
518{
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530519 BT_DBG("ath3k_disconnect intf %p", intf);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530520}
521
522static struct usb_driver ath3k_driver = {
523 .name = "ath3k",
524 .probe = ath3k_probe,
525 .disconnect = ath3k_disconnect,
526 .id_table = ath3k_table,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -0700527 .disable_hub_initiated_lpm = 1,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530528};
529
Greg Kroah-Hartman93f15082011-11-18 09:47:34 -0800530module_usb_driver(ath3k_driver);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530531
532MODULE_AUTHOR("Atheros Communications");
533MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
534MODULE_VERSION(VERSION);
535MODULE_LICENSE("GPL");
Paul Fertserc3eae822011-10-29 21:52:49 +0400536MODULE_FIRMWARE(ATH3K_FIRMWARE);