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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) },
Anantha Krishnan4b552bc2014-10-06 16:31:49 +053082 { USB_DEVICE(0x0489, 0xe078) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020083 { USB_DEVICE(0x04c5, 0x1330) },
84 { USB_DEVICE(0x04CA, 0x3004) },
85 { USB_DEVICE(0x04CA, 0x3005) },
86 { USB_DEVICE(0x04CA, 0x3006) },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -070087 { USB_DEVICE(0x04CA, 0x3007) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020088 { USB_DEVICE(0x04CA, 0x3008) },
89 { USB_DEVICE(0x04CA, 0x300b) },
Janne Heikkinen134d3b32014-12-09 07:44:51 +020090 { USB_DEVICE(0x04CA, 0x3010) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020091 { USB_DEVICE(0x0930, 0x0219) },
92 { USB_DEVICE(0x0930, 0x0220) },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +010093 { USB_DEVICE(0x0930, 0x0227) },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +020094 { USB_DEVICE(0x0b05, 0x17d0) },
Ming Leid66629c2013-03-15 11:00:39 +080095 { USB_DEVICE(0x0CF3, 0x0036) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +053096 { USB_DEVICE(0x0CF3, 0x3004) },
Sunguk Lee94a32d102013-03-12 04:41:58 +090097 { USB_DEVICE(0x0CF3, 0x3008) },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +020098 { USB_DEVICE(0x0CF3, 0x311D) },
Oliver Neukumb1312372014-01-16 15:37:11 +010099 { USB_DEVICE(0x0CF3, 0x311E) },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100100 { USB_DEVICE(0x0CF3, 0x311F) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200101 { USB_DEVICE(0x0cf3, 0x3121) },
Ming Leiebaf5792013-03-18 23:45:11 +0800102 { USB_DEVICE(0x0CF3, 0x817a) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200103 { USB_DEVICE(0x0cf3, 0xe003) },
AceLan Kaoac713112012-04-19 14:53:45 +0800104 { USB_DEVICE(0x0CF3, 0xE004) },
Peng Chen0a3658c2013-08-30 17:41:40 +0800105 { USB_DEVICE(0x0CF3, 0xE005) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200106 { USB_DEVICE(0x13d3, 0x3362) },
107 { USB_DEVICE(0x13d3, 0x3375) },
AceLan Kaoeed307e2012-12-11 11:41:20 +0800108 { USB_DEVICE(0x13d3, 0x3393) },
Sujith Manoharan5b77a1f2013-07-15 09:29:03 +0530109 { USB_DEVICE(0x13d3, 0x3402) },
Dmitry Tunin3bb30a7c2014-11-25 20:19:52 +0300110 { USB_DEVICE(0x13d3, 0x3408) },
Dmitry Tunin033efa92015-01-18 00:16:51 +0300111 { USB_DEVICE(0x13d3, 0x3423) },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530112 { USB_DEVICE(0x13d3, 0x3432) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530113
Cho, Yu-Chene9036e32011-02-15 10:20:07 +0800114 /* Atheros AR5BBU12 with sflash firmware */
115 { USB_DEVICE(0x0489, 0xE02C) },
John W. Linvilleb67afe72011-02-18 17:03:41 -0500116
Michael Gruetzner85d59722012-05-02 22:33:40 +0200117 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530118 { USB_DEVICE(0x0489, 0xE036) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200119 { USB_DEVICE(0x0489, 0xE03C) },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200120
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530121 { } /* Terminating entry */
122};
123
124MODULE_DEVICE_TABLE(usb, ath3k_table);
125
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530126#define BTUSB_ATH3012 0x80
127/* This table is to load patch and sysconfig files
128 * for AR3012 */
Marcel Holtmann3932eb32013-10-11 07:46:21 -0700129static const struct usb_device_id ath3k_blist_tbl[] = {
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530130
131 /* Atheros AR3012 with sflash firmware*/
Andy Shevchenko0b880062014-02-18 18:26:19 +0200132 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
133 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
134 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
135 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
136 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
Anantha Krishnan4b552bc2014-10-06 16:31:49 +0530137 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200138 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
139 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
140 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
141 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -0700142 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200143 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
144 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
Janne Heikkinen134d3b32014-12-09 07:44:51 +0200145 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200146 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
147 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +0100148 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200149 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
Ming Leid66629c2013-03-15 11:00:39 +0800150 { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530151 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900152 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200153 { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
Oliver Neukumb1312372014-01-16 15:37:11 +0100154 { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100155 { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200156 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
Ming Leiebaf5792013-03-18 23:45:11 +0800157 { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
AceLan Kaoac713112012-04-19 14:53:45 +0800158 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
Peng Chen0a3658c2013-08-30 17:41:40 +0800159 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
AceLan Kao1d5b5692013-06-20 13:38:45 +0800160 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200161 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
162 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
163 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
164 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin3bb30a7c2014-11-25 20:19:52 +0300165 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin033efa92015-01-18 00:16:51 +0300166 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530167 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530168
Michael Gruetzner85d59722012-05-02 22:33:40 +0200169 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530170 { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200171 { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200172
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530173 { } /* Terminating entry */
174};
175
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530176#define USB_REQ_DFU_DNLOAD 1
177#define BULK_SIZE 4096
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530178#define FW_HDR_SIZE 20
Adam Leec561a572015-01-28 15:30:27 -0500179#define TIMEGAP_USEC_MIN 50
180#define TIMEGAP_USEC_MAX 100
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530181
Alexander Holler86e09282010-11-22 21:09:01 +0100182static int ath3k_load_firmware(struct usb_device *udev,
183 const struct firmware *firmware)
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530184{
185 u8 *send_buf;
186 int err, pipe, len, size, sent = 0;
Alexander Holler86e09282010-11-22 21:09:01 +0100187 int count = firmware->size;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530188
Alexander Holler86e09282010-11-22 21:09:01 +0100189 BT_DBG("udev %p", udev);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530190
Alexander Holler86e09282010-11-22 21:09:01 +0100191 pipe = usb_sndctrlpipe(udev, 0);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530192
David Herrmann52a10202011-10-25 12:09:52 +0200193 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530194 if (!send_buf) {
195 BT_ERR("Can't allocate memory chunk for firmware");
196 return -ENOMEM;
197 }
198
Alexander Holler86e09282010-11-22 21:09:01 +0100199 memcpy(send_buf, firmware->data, 20);
Valentin Iliea08b15e2013-08-12 18:46:00 +0300200 err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
201 0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
202 if (err < 0) {
Alexander Holler86e09282010-11-22 21:09:01 +0100203 BT_ERR("Can't change to loading configuration err");
204 goto error;
205 }
206 sent += 20;
207 count -= 20;
208
Adam Lee3abb56d2014-05-27 13:49:07 +0800209 pipe = usb_sndbulkpipe(udev, 0x02);
210
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530211 while (count) {
Adam Leec561a572015-01-28 15:30:27 -0500212 /* workaround the compatibility issue with xHCI controller*/
213 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
214
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530215 size = min_t(uint, count, BULK_SIZE);
Alexander Holler86e09282010-11-22 21:09:01 +0100216 memcpy(send_buf, firmware->data + sent, size);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530217
Alexander Holler86e09282010-11-22 21:09:01 +0100218 err = usb_bulk_msg(udev, pipe, send_buf, size,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530219 &len, 3000);
220
221 if (err || (len != size)) {
222 BT_ERR("Error in firmware loading err = %d,"
223 "len = %d, size = %d", err, len, size);
224 goto error;
225 }
226
227 sent += size;
228 count -= size;
229 }
230
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530231error:
232 kfree(send_buf);
233 return err;
234}
235
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530236static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
237{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200238 int ret, pipe = 0;
239 char *buf;
240
241 buf = kmalloc(sizeof(*buf), GFP_KERNEL);
242 if (!buf)
243 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530244
245 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200246 ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
247 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
248 buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
249
250 *state = *buf;
251 kfree(buf);
252
253 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530254}
255
256static int ath3k_get_version(struct usb_device *udev,
257 struct ath3k_version *version)
258{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200259 int ret, pipe = 0;
260 struct ath3k_version *buf;
261 const int size = sizeof(*buf);
262
263 buf = kmalloc(size, GFP_KERNEL);
264 if (!buf)
265 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530266
267 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200268 ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
269 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
270 buf, size, USB_CTRL_SET_TIMEOUT);
271
272 memcpy(version, buf, size);
273 kfree(buf);
274
275 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530276}
277
278static int ath3k_load_fwfile(struct usb_device *udev,
279 const struct firmware *firmware)
280{
281 u8 *send_buf;
282 int err, pipe, len, size, count, sent = 0;
283 int ret;
284
285 count = firmware->size;
286
David Herrmann52a10202011-10-25 12:09:52 +0200287 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530288 if (!send_buf) {
289 BT_ERR("Can't allocate memory chunk for firmware");
290 return -ENOMEM;
291 }
292
293 size = min_t(uint, count, FW_HDR_SIZE);
294 memcpy(send_buf, firmware->data, size);
295
296 pipe = usb_sndctrlpipe(udev, 0);
297 ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
298 USB_TYPE_VENDOR, 0, 0, send_buf,
299 size, USB_CTRL_SET_TIMEOUT);
300 if (ret < 0) {
301 BT_ERR("Can't change to loading configuration err");
302 kfree(send_buf);
303 return ret;
304 }
305
306 sent += size;
307 count -= size;
308
Adam Leeb0c3e132014-06-05 21:47:44 +0800309 pipe = usb_sndbulkpipe(udev, 0x02);
310
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530311 while (count) {
Adam Leec561a572015-01-28 15:30:27 -0500312 /* workaround the compatibility issue with xHCI controller*/
313 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
314
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530315 size = min_t(uint, count, BULK_SIZE);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530316 memcpy(send_buf, firmware->data + sent, size);
317
318 err = usb_bulk_msg(udev, pipe, send_buf, size,
319 &len, 3000);
320 if (err || (len != size)) {
321 BT_ERR("Error in firmware loading err = %d,"
322 "len = %d, size = %d", err, len, size);
323 kfree(send_buf);
324 return err;
325 }
326 sent += size;
327 count -= size;
328 }
329
330 kfree(send_buf);
331 return 0;
332}
333
334static int ath3k_switch_pid(struct usb_device *udev)
335{
336 int pipe = 0;
337
338 pipe = usb_sndctrlpipe(udev, 0);
339 return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
340 USB_TYPE_VENDOR, 0, 0,
341 NULL, 0, USB_CTRL_SET_TIMEOUT);
342}
343
344static int ath3k_set_normal_mode(struct usb_device *udev)
345{
346 unsigned char fw_state;
347 int pipe = 0, ret;
348
349 ret = ath3k_get_state(udev, &fw_state);
350 if (ret < 0) {
351 BT_ERR("Can't get state to change to normal mode err");
352 return ret;
353 }
354
355 if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
356 BT_DBG("firmware was already in normal mode");
357 return 0;
358 }
359
360 pipe = usb_sndctrlpipe(udev, 0);
361 return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
362 USB_TYPE_VENDOR, 0, 0,
363 NULL, 0, USB_CTRL_SET_TIMEOUT);
364}
365
366static int ath3k_load_patch(struct usb_device *udev)
367{
368 unsigned char fw_state;
369 char filename[ATH3K_NAME_LEN] = {0};
370 const struct firmware *firmware;
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200371 struct ath3k_version fw_version;
372 __u32 pt_rom_version, pt_build_version;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530373 int ret;
374
375 ret = ath3k_get_state(udev, &fw_state);
376 if (ret < 0) {
377 BT_ERR("Can't get state to change to load ram patch err");
378 return ret;
379 }
380
381 if (fw_state & ATH3K_PATCH_UPDATE) {
382 BT_DBG("Patch was already downloaded");
383 return 0;
384 }
385
386 ret = ath3k_get_version(udev, &fw_version);
387 if (ret < 0) {
388 BT_ERR("Can't get version to change to load ram patch err");
389 return ret;
390 }
391
392 snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200393 le32_to_cpu(fw_version.rom_version));
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530394
395 ret = request_firmware(&firmware, filename, &udev->dev);
396 if (ret < 0) {
397 BT_ERR("Patch file not found %s", filename);
398 return ret;
399 }
400
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200401 pt_rom_version = get_unaligned_le32(firmware->data +
402 firmware->size - 8);
403 pt_build_version = get_unaligned_le32(firmware->data +
404 firmware->size - 4);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530405
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200406 if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
407 pt_build_version <= le32_to_cpu(fw_version.build_version)) {
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530408 BT_ERR("Patch file version did not match with firmware");
409 release_firmware(firmware);
410 return -EINVAL;
411 }
412
413 ret = ath3k_load_fwfile(udev, firmware);
414 release_firmware(firmware);
415
416 return ret;
417}
418
419static int ath3k_load_syscfg(struct usb_device *udev)
420{
421 unsigned char fw_state;
422 char filename[ATH3K_NAME_LEN] = {0};
423 const struct firmware *firmware;
424 struct ath3k_version fw_version;
425 int clk_value, ret;
426
427 ret = ath3k_get_state(udev, &fw_state);
428 if (ret < 0) {
Masanari Iida8a168ca2012-12-29 02:00:09 +0900429 BT_ERR("Can't get state to change to load configuration err");
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530430 return -EBUSY;
431 }
432
433 ret = ath3k_get_version(udev, &fw_version);
434 if (ret < 0) {
435 BT_ERR("Can't get version to change to load ram patch err");
436 return ret;
437 }
438
439 switch (fw_version.ref_clock) {
440
441 case ATH3K_XTAL_FREQ_26M:
442 clk_value = 26;
443 break;
444 case ATH3K_XTAL_FREQ_40M:
445 clk_value = 40;
446 break;
447 case ATH3K_XTAL_FREQ_19P2:
448 clk_value = 19;
449 break;
450 default:
451 clk_value = 0;
452 break;
453 }
454
455 snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
Peng Chenb9e25352012-09-06 19:30:43 +0800456 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530457
458 ret = request_firmware(&firmware, filename, &udev->dev);
459 if (ret < 0) {
460 BT_ERR("Configuration file not found %s", filename);
461 return ret;
462 }
463
464 ret = ath3k_load_fwfile(udev, firmware);
465 release_firmware(firmware);
466
467 return ret;
468}
469
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530470static int ath3k_probe(struct usb_interface *intf,
471 const struct usb_device_id *id)
472{
473 const struct firmware *firmware;
474 struct usb_device *udev = interface_to_usbdev(intf);
Rogério Brito84f0e172011-02-03 01:42:05 -0200475 int ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530476
477 BT_DBG("intf %p id %p", intf, id);
478
479 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
480 return -ENODEV;
481
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530482 /* match device ID in ath3k blacklist table */
483 if (!id->driver_info) {
484 const struct usb_device_id *match;
485 match = usb_match_id(intf, ath3k_blist_tbl);
486 if (match)
487 id = match;
488 }
489
490 /* load patch and sysconfig files for AR3012 */
491 if (id->driver_info & BTUSB_ATH3012) {
Steven.Li2d25f8b2011-07-01 14:02:36 +0800492
493 /* New firmware with patch and sysconfig files already loaded */
494 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
495 return -ENODEV;
496
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530497 ret = ath3k_load_patch(udev);
498 if (ret < 0) {
499 BT_ERR("Loading patch file failed");
500 return ret;
501 }
502 ret = ath3k_load_syscfg(udev);
503 if (ret < 0) {
504 BT_ERR("Loading sysconfig file failed");
505 return ret;
506 }
507 ret = ath3k_set_normal_mode(udev);
508 if (ret < 0) {
509 BT_ERR("Set normal mode failed");
510 return ret;
511 }
512 ath3k_switch_pid(udev);
513 return 0;
514 }
515
Paul Fertserc3eae822011-10-29 21:52:49 +0400516 ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
517 if (ret < 0) {
518 if (ret == -ENOENT)
519 BT_ERR("Firmware file \"%s\" not found",
520 ATH3K_FIRMWARE);
521 else
522 BT_ERR("Firmware file \"%s\" request failed (err=%d)",
523 ATH3K_FIRMWARE, ret);
524 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530525 }
526
Rogério Brito84f0e172011-02-03 01:42:05 -0200527 ret = ath3k_load_firmware(udev, firmware);
Alexander Holler86e09282010-11-22 21:09:01 +0100528 release_firmware(firmware);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530529
Rogério Brito84f0e172011-02-03 01:42:05 -0200530 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530531}
532
533static void ath3k_disconnect(struct usb_interface *intf)
534{
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530535 BT_DBG("ath3k_disconnect intf %p", intf);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530536}
537
538static struct usb_driver ath3k_driver = {
539 .name = "ath3k",
540 .probe = ath3k_probe,
541 .disconnect = ath3k_disconnect,
542 .id_table = ath3k_table,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -0700543 .disable_hub_initiated_lpm = 1,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530544};
545
Greg Kroah-Hartman93f15082011-11-18 09:47:34 -0800546module_usb_driver(ath3k_driver);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530547
548MODULE_AUTHOR("Atheros Communications");
549MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
550MODULE_VERSION(VERSION);
551MODULE_LICENSE("GPL");
Paul Fertserc3eae822011-10-29 21:52:49 +0400552MODULE_FIRMWARE(ATH3K_FIRMWARE);