blob: 47ca4b39d3065658c04d6b95add0b648da617a07 [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) },
Alexander Ploumistos2eeff0b2015-02-13 21:05:11 +020068 { USB_DEVICE(0x04F2, 0xAFF1) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020069 { USB_DEVICE(0x0930, 0x0215) },
Bala Shanmugambe931122010-11-26 17:35:46 +053070 { USB_DEVICE(0x0CF3, 0x3002) },
Marek Vasut6eda5412012-06-08 14:32:50 +020071 { USB_DEVICE(0x0CF3, 0xE019) },
Andy Ross2a7bccc2011-05-09 16:11:16 -070072 { USB_DEVICE(0x13d3, 0x3304) },
Bala Shanmugambe931122010-11-26 17:35:46 +053073
Cho, Yu-Chen509e7862011-01-26 17:10:59 +080074 /* Atheros AR9285 Malbec with sflash firmware */
75 { USB_DEVICE(0x03F0, 0x311D) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +053076
77 /* Atheros AR3012 with sflash firmware*/
Andy Shevchenko0b880062014-02-18 18:26:19 +020078 { USB_DEVICE(0x0489, 0xe04d) },
79 { USB_DEVICE(0x0489, 0xe04e) },
80 { USB_DEVICE(0x0489, 0xe057) },
81 { USB_DEVICE(0x0489, 0xe056) },
82 { USB_DEVICE(0x0489, 0xe05f) },
Dmitry Tunin692c0622015-06-06 20:25:40 +030083 { USB_DEVICE(0x0489, 0xe076) },
Anantha Krishnan4b552bc2014-10-06 16:31:49 +053084 { USB_DEVICE(0x0489, 0xe078) },
Dmitry Tunin28c971d2016-02-10 00:49:11 +030085 { USB_DEVICE(0x0489, 0xe095) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020086 { USB_DEVICE(0x04c5, 0x1330) },
87 { USB_DEVICE(0x04CA, 0x3004) },
88 { USB_DEVICE(0x04CA, 0x3005) },
89 { USB_DEVICE(0x04CA, 0x3006) },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -070090 { USB_DEVICE(0x04CA, 0x3007) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020091 { USB_DEVICE(0x04CA, 0x3008) },
92 { USB_DEVICE(0x04CA, 0x300b) },
Dmitry Tunin7e730c72015-06-18 20:41:51 +030093 { USB_DEVICE(0x04CA, 0x300d) },
Dmitry Tuninec0810d2015-05-02 13:36:58 +030094 { USB_DEVICE(0x04CA, 0x300f) },
Janne Heikkinen134d3b32014-12-09 07:44:51 +020095 { USB_DEVICE(0x04CA, 0x3010) },
Dmitry Tunin81d90442016-02-28 11:04:06 +030096 { USB_DEVICE(0x04CA, 0x3014) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020097 { USB_DEVICE(0x0930, 0x0219) },
Dmitry Tunincd355ff2015-10-05 19:29:33 +030098 { USB_DEVICE(0x0930, 0x021c) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020099 { USB_DEVICE(0x0930, 0x0220) },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +0100100 { USB_DEVICE(0x0930, 0x0227) },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200101 { USB_DEVICE(0x0b05, 0x17d0) },
Ming Leid66629c2013-03-15 11:00:39 +0800102 { USB_DEVICE(0x0CF3, 0x0036) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530103 { USB_DEVICE(0x0CF3, 0x3004) },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900104 { USB_DEVICE(0x0CF3, 0x3008) },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200105 { USB_DEVICE(0x0CF3, 0x311D) },
Oliver Neukumb1312372014-01-16 15:37:11 +0100106 { USB_DEVICE(0x0CF3, 0x311E) },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100107 { USB_DEVICE(0x0CF3, 0x311F) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200108 { USB_DEVICE(0x0cf3, 0x3121) },
Ming Leiebaf5792013-03-18 23:45:11 +0800109 { USB_DEVICE(0x0CF3, 0x817a) },
Dmitry Tunin18e0afa2015-10-16 11:45:26 +0300110 { USB_DEVICE(0x0CF3, 0x817b) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200111 { USB_DEVICE(0x0cf3, 0xe003) },
AceLan Kaoac713112012-04-19 14:53:45 +0800112 { USB_DEVICE(0x0CF3, 0xE004) },
Peng Chen0a3658c2013-08-30 17:41:40 +0800113 { USB_DEVICE(0x0CF3, 0xE005) },
Wen-chien Jesse Sungca79f232015-05-13 11:39:24 +0800114 { USB_DEVICE(0x0CF3, 0xE006) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200115 { USB_DEVICE(0x13d3, 0x3362) },
116 { USB_DEVICE(0x13d3, 0x3375) },
AceLan Kaoeed307e2012-12-11 11:41:20 +0800117 { USB_DEVICE(0x13d3, 0x3393) },
Dmitry Tunin609574e2016-02-10 15:33:17 +0300118 { USB_DEVICE(0x13d3, 0x3395) },
Sujith Manoharan5b77a1f2013-07-15 09:29:03 +0530119 { USB_DEVICE(0x13d3, 0x3402) },
Dmitry Tunin3bb30a7c2014-11-25 20:19:52 +0300120 { USB_DEVICE(0x13d3, 0x3408) },
Dmitry Tunin033efa92015-01-18 00:16:51 +0300121 { USB_DEVICE(0x13d3, 0x3423) },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530122 { USB_DEVICE(0x13d3, 0x3432) },
Dmitry Tunin75c6aca2016-03-04 01:32:19 +0300123 { USB_DEVICE(0x13d3, 0x3472) },
Dmitry Tunin0d0cef62015-06-06 20:29:25 +0300124 { USB_DEVICE(0x13d3, 0x3474) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530125
Cho, Yu-Chene9036e32011-02-15 10:20:07 +0800126 /* Atheros AR5BBU12 with sflash firmware */
127 { USB_DEVICE(0x0489, 0xE02C) },
John W. Linvilleb67afe72011-02-18 17:03:41 -0500128
Michael Gruetzner85d59722012-05-02 22:33:40 +0200129 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530130 { USB_DEVICE(0x0489, 0xE036) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200131 { USB_DEVICE(0x0489, 0xE03C) },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200132
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530133 { } /* Terminating entry */
134};
135
136MODULE_DEVICE_TABLE(usb, ath3k_table);
137
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530138#define BTUSB_ATH3012 0x80
139/* This table is to load patch and sysconfig files
140 * for AR3012 */
Marcel Holtmann3932eb32013-10-11 07:46:21 -0700141static const struct usb_device_id ath3k_blist_tbl[] = {
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530142
143 /* Atheros AR3012 with sflash firmware*/
Andy Shevchenko0b880062014-02-18 18:26:19 +0200144 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
145 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
146 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
147 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
148 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin692c0622015-06-06 20:25:40 +0300149 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
Anantha Krishnan4b552bc2014-10-06 16:31:49 +0530150 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin28c971d2016-02-10 00:49:11 +0300151 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200152 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
153 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
154 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
155 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -0700156 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200157 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
158 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin7e730c72015-06-18 20:41:51 +0300159 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
Dmitry Tuninec0810d2015-05-02 13:36:58 +0300160 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
Janne Heikkinen134d3b32014-12-09 07:44:51 +0200161 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin81d90442016-02-28 11:04:06 +0300162 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200163 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
Dmitry Tunincd355ff2015-10-05 19:29:33 +0300164 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200165 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +0100166 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200167 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
Ming Leid66629c2013-03-15 11:00:39 +0800168 { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530169 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900170 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200171 { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
Oliver Neukumb1312372014-01-16 15:37:11 +0100172 { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100173 { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200174 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
Ming Leiebaf5792013-03-18 23:45:11 +0800175 { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin18e0afa2015-10-16 11:45:26 +0300176 { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
AceLan Kaoac713112012-04-19 14:53:45 +0800177 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
Peng Chen0a3658c2013-08-30 17:41:40 +0800178 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
Wen-chien Jesse Sungca79f232015-05-13 11:39:24 +0800179 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
AceLan Kao1d5b5692013-06-20 13:38:45 +0800180 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200181 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
182 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
183 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin609574e2016-02-10 15:33:17 +0300184 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200185 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin3bb30a7c2014-11-25 20:19:52 +0300186 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin033efa92015-01-18 00:16:51 +0300187 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530188 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin75c6aca2016-03-04 01:32:19 +0300189 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin0d0cef62015-06-06 20:29:25 +0300190 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530191
Michael Gruetzner85d59722012-05-02 22:33:40 +0200192 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530193 { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200194 { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200195
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530196 { } /* Terminating entry */
197};
198
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530199#define USB_REQ_DFU_DNLOAD 1
200#define BULK_SIZE 4096
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530201#define FW_HDR_SIZE 20
Adam Leec561a572015-01-28 15:30:27 -0500202#define TIMEGAP_USEC_MIN 50
203#define TIMEGAP_USEC_MAX 100
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530204
Alexander Holler86e09282010-11-22 21:09:01 +0100205static int ath3k_load_firmware(struct usb_device *udev,
206 const struct firmware *firmware)
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530207{
208 u8 *send_buf;
209 int err, pipe, len, size, sent = 0;
Alexander Holler86e09282010-11-22 21:09:01 +0100210 int count = firmware->size;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530211
Alexander Holler86e09282010-11-22 21:09:01 +0100212 BT_DBG("udev %p", udev);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530213
Alexander Holler86e09282010-11-22 21:09:01 +0100214 pipe = usb_sndctrlpipe(udev, 0);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530215
David Herrmann52a10202011-10-25 12:09:52 +0200216 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530217 if (!send_buf) {
218 BT_ERR("Can't allocate memory chunk for firmware");
219 return -ENOMEM;
220 }
221
Alexander Holler86e09282010-11-22 21:09:01 +0100222 memcpy(send_buf, firmware->data, 20);
Valentin Iliea08b15e2013-08-12 18:46:00 +0300223 err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
224 0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
225 if (err < 0) {
Alexander Holler86e09282010-11-22 21:09:01 +0100226 BT_ERR("Can't change to loading configuration err");
227 goto error;
228 }
229 sent += 20;
230 count -= 20;
231
Adam Lee3abb56d2014-05-27 13:49:07 +0800232 pipe = usb_sndbulkpipe(udev, 0x02);
233
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530234 while (count) {
Adam Leec561a572015-01-28 15:30:27 -0500235 /* workaround the compatibility issue with xHCI controller*/
236 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
237
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530238 size = min_t(uint, count, BULK_SIZE);
Alexander Holler86e09282010-11-22 21:09:01 +0100239 memcpy(send_buf, firmware->data + sent, size);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530240
Alexander Holler86e09282010-11-22 21:09:01 +0100241 err = usb_bulk_msg(udev, pipe, send_buf, size,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530242 &len, 3000);
243
244 if (err || (len != size)) {
245 BT_ERR("Error in firmware loading err = %d,"
246 "len = %d, size = %d", err, len, size);
247 goto error;
248 }
249
250 sent += size;
251 count -= size;
252 }
253
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530254error:
255 kfree(send_buf);
256 return err;
257}
258
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530259static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
260{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200261 int ret, pipe = 0;
262 char *buf;
263
264 buf = kmalloc(sizeof(*buf), GFP_KERNEL);
265 if (!buf)
266 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530267
268 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200269 ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
270 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
271 buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
272
273 *state = *buf;
274 kfree(buf);
275
276 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530277}
278
279static int ath3k_get_version(struct usb_device *udev,
280 struct ath3k_version *version)
281{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200282 int ret, pipe = 0;
283 struct ath3k_version *buf;
284 const int size = sizeof(*buf);
285
286 buf = kmalloc(size, GFP_KERNEL);
287 if (!buf)
288 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530289
290 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200291 ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
292 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
293 buf, size, USB_CTRL_SET_TIMEOUT);
294
295 memcpy(version, buf, size);
296 kfree(buf);
297
298 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530299}
300
301static int ath3k_load_fwfile(struct usb_device *udev,
302 const struct firmware *firmware)
303{
304 u8 *send_buf;
305 int err, pipe, len, size, count, sent = 0;
306 int ret;
307
308 count = firmware->size;
309
David Herrmann52a10202011-10-25 12:09:52 +0200310 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530311 if (!send_buf) {
312 BT_ERR("Can't allocate memory chunk for firmware");
313 return -ENOMEM;
314 }
315
316 size = min_t(uint, count, FW_HDR_SIZE);
317 memcpy(send_buf, firmware->data, size);
318
319 pipe = usb_sndctrlpipe(udev, 0);
320 ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
321 USB_TYPE_VENDOR, 0, 0, send_buf,
322 size, USB_CTRL_SET_TIMEOUT);
323 if (ret < 0) {
324 BT_ERR("Can't change to loading configuration err");
325 kfree(send_buf);
326 return ret;
327 }
328
329 sent += size;
330 count -= size;
331
Adam Leeb0c3e132014-06-05 21:47:44 +0800332 pipe = usb_sndbulkpipe(udev, 0x02);
333
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530334 while (count) {
Adam Leec561a572015-01-28 15:30:27 -0500335 /* workaround the compatibility issue with xHCI controller*/
336 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
337
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530338 size = min_t(uint, count, BULK_SIZE);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530339 memcpy(send_buf, firmware->data + sent, size);
340
341 err = usb_bulk_msg(udev, pipe, send_buf, size,
342 &len, 3000);
343 if (err || (len != size)) {
344 BT_ERR("Error in firmware loading err = %d,"
345 "len = %d, size = %d", err, len, size);
346 kfree(send_buf);
347 return err;
348 }
349 sent += size;
350 count -= size;
351 }
352
353 kfree(send_buf);
354 return 0;
355}
356
357static int ath3k_switch_pid(struct usb_device *udev)
358{
359 int pipe = 0;
360
361 pipe = usb_sndctrlpipe(udev, 0);
362 return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
363 USB_TYPE_VENDOR, 0, 0,
364 NULL, 0, USB_CTRL_SET_TIMEOUT);
365}
366
367static int ath3k_set_normal_mode(struct usb_device *udev)
368{
369 unsigned char fw_state;
370 int pipe = 0, ret;
371
372 ret = ath3k_get_state(udev, &fw_state);
373 if (ret < 0) {
374 BT_ERR("Can't get state to change to normal mode err");
375 return ret;
376 }
377
378 if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
379 BT_DBG("firmware was already in normal mode");
380 return 0;
381 }
382
383 pipe = usb_sndctrlpipe(udev, 0);
384 return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
385 USB_TYPE_VENDOR, 0, 0,
386 NULL, 0, USB_CTRL_SET_TIMEOUT);
387}
388
389static int ath3k_load_patch(struct usb_device *udev)
390{
391 unsigned char fw_state;
392 char filename[ATH3K_NAME_LEN] = {0};
393 const struct firmware *firmware;
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200394 struct ath3k_version fw_version;
395 __u32 pt_rom_version, pt_build_version;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530396 int ret;
397
398 ret = ath3k_get_state(udev, &fw_state);
399 if (ret < 0) {
400 BT_ERR("Can't get state to change to load ram patch err");
401 return ret;
402 }
403
404 if (fw_state & ATH3K_PATCH_UPDATE) {
405 BT_DBG("Patch was already downloaded");
406 return 0;
407 }
408
409 ret = ath3k_get_version(udev, &fw_version);
410 if (ret < 0) {
411 BT_ERR("Can't get version to change to load ram patch err");
412 return ret;
413 }
414
415 snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200416 le32_to_cpu(fw_version.rom_version));
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530417
418 ret = request_firmware(&firmware, filename, &udev->dev);
419 if (ret < 0) {
420 BT_ERR("Patch file not found %s", filename);
421 return ret;
422 }
423
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200424 pt_rom_version = get_unaligned_le32(firmware->data +
425 firmware->size - 8);
426 pt_build_version = get_unaligned_le32(firmware->data +
427 firmware->size - 4);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530428
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200429 if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
430 pt_build_version <= le32_to_cpu(fw_version.build_version)) {
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530431 BT_ERR("Patch file version did not match with firmware");
432 release_firmware(firmware);
433 return -EINVAL;
434 }
435
436 ret = ath3k_load_fwfile(udev, firmware);
437 release_firmware(firmware);
438
439 return ret;
440}
441
442static int ath3k_load_syscfg(struct usb_device *udev)
443{
444 unsigned char fw_state;
445 char filename[ATH3K_NAME_LEN] = {0};
446 const struct firmware *firmware;
447 struct ath3k_version fw_version;
448 int clk_value, ret;
449
450 ret = ath3k_get_state(udev, &fw_state);
451 if (ret < 0) {
Masanari Iida8a168ca2012-12-29 02:00:09 +0900452 BT_ERR("Can't get state to change to load configuration err");
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530453 return -EBUSY;
454 }
455
456 ret = ath3k_get_version(udev, &fw_version);
457 if (ret < 0) {
458 BT_ERR("Can't get version to change to load ram patch err");
459 return ret;
460 }
461
462 switch (fw_version.ref_clock) {
463
464 case ATH3K_XTAL_FREQ_26M:
465 clk_value = 26;
466 break;
467 case ATH3K_XTAL_FREQ_40M:
468 clk_value = 40;
469 break;
470 case ATH3K_XTAL_FREQ_19P2:
471 clk_value = 19;
472 break;
473 default:
474 clk_value = 0;
475 break;
476 }
477
478 snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
Peng Chenb9e25352012-09-06 19:30:43 +0800479 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530480
481 ret = request_firmware(&firmware, filename, &udev->dev);
482 if (ret < 0) {
483 BT_ERR("Configuration file not found %s", filename);
484 return ret;
485 }
486
487 ret = ath3k_load_fwfile(udev, firmware);
488 release_firmware(firmware);
489
490 return ret;
491}
492
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530493static int ath3k_probe(struct usb_interface *intf,
494 const struct usb_device_id *id)
495{
496 const struct firmware *firmware;
497 struct usb_device *udev = interface_to_usbdev(intf);
Rogério Brito84f0e172011-02-03 01:42:05 -0200498 int ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530499
500 BT_DBG("intf %p id %p", intf, id);
501
502 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
503 return -ENODEV;
504
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530505 /* match device ID in ath3k blacklist table */
506 if (!id->driver_info) {
507 const struct usb_device_id *match;
Bhumika Goyald2ee9c22016-01-12 22:10:15 +0530508
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530509 match = usb_match_id(intf, ath3k_blist_tbl);
510 if (match)
511 id = match;
512 }
513
514 /* load patch and sysconfig files for AR3012 */
515 if (id->driver_info & BTUSB_ATH3012) {
Steven.Li2d25f8b2011-07-01 14:02:36 +0800516
517 /* New firmware with patch and sysconfig files already loaded */
518 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
519 return -ENODEV;
520
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530521 ret = ath3k_load_patch(udev);
522 if (ret < 0) {
523 BT_ERR("Loading patch file failed");
524 return ret;
525 }
526 ret = ath3k_load_syscfg(udev);
527 if (ret < 0) {
528 BT_ERR("Loading sysconfig file failed");
529 return ret;
530 }
531 ret = ath3k_set_normal_mode(udev);
532 if (ret < 0) {
533 BT_ERR("Set normal mode failed");
534 return ret;
535 }
536 ath3k_switch_pid(udev);
537 return 0;
538 }
539
Paul Fertserc3eae822011-10-29 21:52:49 +0400540 ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
541 if (ret < 0) {
542 if (ret == -ENOENT)
543 BT_ERR("Firmware file \"%s\" not found",
544 ATH3K_FIRMWARE);
545 else
546 BT_ERR("Firmware file \"%s\" request failed (err=%d)",
547 ATH3K_FIRMWARE, ret);
548 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530549 }
550
Rogério Brito84f0e172011-02-03 01:42:05 -0200551 ret = ath3k_load_firmware(udev, firmware);
Alexander Holler86e09282010-11-22 21:09:01 +0100552 release_firmware(firmware);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530553
Rogério Brito84f0e172011-02-03 01:42:05 -0200554 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530555}
556
557static void ath3k_disconnect(struct usb_interface *intf)
558{
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530559 BT_DBG("ath3k_disconnect intf %p", intf);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530560}
561
562static struct usb_driver ath3k_driver = {
563 .name = "ath3k",
564 .probe = ath3k_probe,
565 .disconnect = ath3k_disconnect,
566 .id_table = ath3k_table,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -0700567 .disable_hub_initiated_lpm = 1,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530568};
569
Greg Kroah-Hartman93f15082011-11-18 09:47:34 -0800570module_usb_driver(ath3k_driver);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530571
572MODULE_AUTHOR("Atheros Communications");
573MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
574MODULE_VERSION(VERSION);
575MODULE_LICENSE("GPL");
Paul Fertserc3eae822011-10-29 21:52:49 +0400576MODULE_FIRMWARE(ATH3K_FIRMWARE);