blob: b793853ff05fa827a33340ddd4766d2694422cd5 [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) },
Dmitry Tunin519b6ce2017-01-05 13:19:53 +030097 { USB_DEVICE(0x04CA, 0x3018) },
Andy Shevchenko0b880062014-02-18 18:26:19 +020098 { USB_DEVICE(0x0930, 0x0219) },
Dmitry Tunincd355ff2015-10-05 19:29:33 +030099 { USB_DEVICE(0x0930, 0x021c) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200100 { USB_DEVICE(0x0930, 0x0220) },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +0100101 { USB_DEVICE(0x0930, 0x0227) },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200102 { USB_DEVICE(0x0b05, 0x17d0) },
Ming Leid66629c2013-03-15 11:00:39 +0800103 { USB_DEVICE(0x0CF3, 0x0036) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530104 { USB_DEVICE(0x0CF3, 0x3004) },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900105 { USB_DEVICE(0x0CF3, 0x3008) },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200106 { USB_DEVICE(0x0CF3, 0x311D) },
Oliver Neukumb1312372014-01-16 15:37:11 +0100107 { USB_DEVICE(0x0CF3, 0x311E) },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100108 { USB_DEVICE(0x0CF3, 0x311F) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200109 { USB_DEVICE(0x0cf3, 0x3121) },
Ming Leiebaf5792013-03-18 23:45:11 +0800110 { USB_DEVICE(0x0CF3, 0x817a) },
Dmitry Tunin18e0afa2015-10-16 11:45:26 +0300111 { USB_DEVICE(0x0CF3, 0x817b) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200112 { USB_DEVICE(0x0cf3, 0xe003) },
AceLan Kaoac713112012-04-19 14:53:45 +0800113 { USB_DEVICE(0x0CF3, 0xE004) },
Peng Chen0a3658c2013-08-30 17:41:40 +0800114 { USB_DEVICE(0x0CF3, 0xE005) },
Wen-chien Jesse Sungca79f232015-05-13 11:39:24 +0800115 { USB_DEVICE(0x0CF3, 0xE006) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200116 { USB_DEVICE(0x13d3, 0x3362) },
117 { USB_DEVICE(0x13d3, 0x3375) },
AceLan Kaoeed307e2012-12-11 11:41:20 +0800118 { USB_DEVICE(0x13d3, 0x3393) },
Dmitry Tunin609574e2016-02-10 15:33:17 +0300119 { USB_DEVICE(0x13d3, 0x3395) },
Sujith Manoharan5b77a1f2013-07-15 09:29:03 +0530120 { USB_DEVICE(0x13d3, 0x3402) },
Dmitry Tunin3bb30a7c2014-11-25 20:19:52 +0300121 { USB_DEVICE(0x13d3, 0x3408) },
Dmitry Tunin033efa92015-01-18 00:16:51 +0300122 { USB_DEVICE(0x13d3, 0x3423) },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530123 { USB_DEVICE(0x13d3, 0x3432) },
Dmitry Tunin75c6aca2016-03-04 01:32:19 +0300124 { USB_DEVICE(0x13d3, 0x3472) },
Dmitry Tunin0d0cef62015-06-06 20:29:25 +0300125 { USB_DEVICE(0x13d3, 0x3474) },
Lauro Costa72f9f8b2016-05-09 17:36:11 -0300126 { USB_DEVICE(0x13d3, 0x3487) },
Dmitry Tunin12d86892016-07-12 01:35:18 +0300127 { USB_DEVICE(0x13d3, 0x3490) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530128
Cho, Yu-Chene9036e32011-02-15 10:20:07 +0800129 /* Atheros AR5BBU12 with sflash firmware */
130 { USB_DEVICE(0x0489, 0xE02C) },
John W. Linvilleb67afe72011-02-18 17:03:41 -0500131
Michael Gruetzner85d59722012-05-02 22:33:40 +0200132 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530133 { USB_DEVICE(0x0489, 0xE036) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200134 { USB_DEVICE(0x0489, 0xE03C) },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200135
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530136 { } /* Terminating entry */
137};
138
139MODULE_DEVICE_TABLE(usb, ath3k_table);
140
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530141#define BTUSB_ATH3012 0x80
142/* This table is to load patch and sysconfig files
143 * for AR3012 */
Marcel Holtmann3932eb32013-10-11 07:46:21 -0700144static const struct usb_device_id ath3k_blist_tbl[] = {
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530145
146 /* Atheros AR3012 with sflash firmware*/
Andy Shevchenko0b880062014-02-18 18:26:19 +0200147 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
148 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
149 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
150 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
151 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin692c0622015-06-06 20:25:40 +0300152 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
Anantha Krishnan4b552bc2014-10-06 16:31:49 +0530153 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin28c971d2016-02-10 00:49:11 +0300154 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200155 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
156 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
157 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
158 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -0700159 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200160 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
161 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin7e730c72015-06-18 20:41:51 +0300162 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
Dmitry Tuninec0810d2015-05-02 13:36:58 +0300163 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
Janne Heikkinen134d3b32014-12-09 07:44:51 +0200164 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin81d90442016-02-28 11:04:06 +0300165 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin519b6ce2017-01-05 13:19:53 +0300166 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200167 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
Dmitry Tunincd355ff2015-10-05 19:29:33 +0300168 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200169 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +0100170 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200171 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
Ming Leid66629c2013-03-15 11:00:39 +0800172 { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530173 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900174 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200175 { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
Oliver Neukumb1312372014-01-16 15:37:11 +0100176 { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100177 { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200178 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
Ming Leiebaf5792013-03-18 23:45:11 +0800179 { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin18e0afa2015-10-16 11:45:26 +0300180 { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
AceLan Kaoac713112012-04-19 14:53:45 +0800181 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
Peng Chen0a3658c2013-08-30 17:41:40 +0800182 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
Wen-chien Jesse Sungca79f232015-05-13 11:39:24 +0800183 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
AceLan Kao1d5b5692013-06-20 13:38:45 +0800184 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200185 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
186 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
187 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin609574e2016-02-10 15:33:17 +0300188 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200189 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin3bb30a7c2014-11-25 20:19:52 +0300190 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin033efa92015-01-18 00:16:51 +0300191 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530192 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin75c6aca2016-03-04 01:32:19 +0300193 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin0d0cef62015-06-06 20:29:25 +0300194 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
Lauro Costa72f9f8b2016-05-09 17:36:11 -0300195 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin12d86892016-07-12 01:35:18 +0300196 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530197
Michael Gruetzner85d59722012-05-02 22:33:40 +0200198 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530199 { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200200 { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200201
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530202 { } /* Terminating entry */
203};
204
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530205#define USB_REQ_DFU_DNLOAD 1
206#define BULK_SIZE 4096
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530207#define FW_HDR_SIZE 20
Adam Leec561a572015-01-28 15:30:27 -0500208#define TIMEGAP_USEC_MIN 50
209#define TIMEGAP_USEC_MAX 100
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530210
Alexander Holler86e09282010-11-22 21:09:01 +0100211static int ath3k_load_firmware(struct usb_device *udev,
212 const struct firmware *firmware)
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530213{
214 u8 *send_buf;
Dan Carpentere9fc7162016-04-22 13:02:55 +0300215 int len = 0;
216 int err, pipe, size, sent = 0;
Alexander Holler86e09282010-11-22 21:09:01 +0100217 int count = firmware->size;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530218
Alexander Holler86e09282010-11-22 21:09:01 +0100219 BT_DBG("udev %p", udev);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530220
Alexander Holler86e09282010-11-22 21:09:01 +0100221 pipe = usb_sndctrlpipe(udev, 0);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530222
David Herrmann52a10202011-10-25 12:09:52 +0200223 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530224 if (!send_buf) {
225 BT_ERR("Can't allocate memory chunk for firmware");
226 return -ENOMEM;
227 }
228
Alexander Holler86e09282010-11-22 21:09:01 +0100229 memcpy(send_buf, firmware->data, 20);
Valentin Iliea08b15e2013-08-12 18:46:00 +0300230 err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
231 0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
232 if (err < 0) {
Alexander Holler86e09282010-11-22 21:09:01 +0100233 BT_ERR("Can't change to loading configuration err");
234 goto error;
235 }
236 sent += 20;
237 count -= 20;
238
Adam Lee3abb56d2014-05-27 13:49:07 +0800239 pipe = usb_sndbulkpipe(udev, 0x02);
240
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530241 while (count) {
Adam Leec561a572015-01-28 15:30:27 -0500242 /* workaround the compatibility issue with xHCI controller*/
243 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
244
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530245 size = min_t(uint, count, BULK_SIZE);
Alexander Holler86e09282010-11-22 21:09:01 +0100246 memcpy(send_buf, firmware->data + sent, size);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530247
Alexander Holler86e09282010-11-22 21:09:01 +0100248 err = usb_bulk_msg(udev, pipe, send_buf, size,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530249 &len, 3000);
250
251 if (err || (len != size)) {
252 BT_ERR("Error in firmware loading err = %d,"
253 "len = %d, size = %d", err, len, size);
254 goto error;
255 }
256
257 sent += size;
258 count -= size;
259 }
260
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530261error:
262 kfree(send_buf);
263 return err;
264}
265
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530266static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
267{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200268 int ret, pipe = 0;
269 char *buf;
270
271 buf = kmalloc(sizeof(*buf), GFP_KERNEL);
272 if (!buf)
273 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530274
275 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200276 ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
277 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
278 buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
279
280 *state = *buf;
281 kfree(buf);
282
283 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530284}
285
286static int ath3k_get_version(struct usb_device *udev,
287 struct ath3k_version *version)
288{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200289 int ret, pipe = 0;
290 struct ath3k_version *buf;
291 const int size = sizeof(*buf);
292
293 buf = kmalloc(size, GFP_KERNEL);
294 if (!buf)
295 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530296
297 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200298 ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
299 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
300 buf, size, USB_CTRL_SET_TIMEOUT);
301
302 memcpy(version, buf, size);
303 kfree(buf);
304
305 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530306}
307
308static int ath3k_load_fwfile(struct usb_device *udev,
309 const struct firmware *firmware)
310{
311 u8 *send_buf;
Dan Carpentere9fc7162016-04-22 13:02:55 +0300312 int len = 0;
313 int err, pipe, size, count, sent = 0;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530314 int ret;
315
316 count = firmware->size;
317
David Herrmann52a10202011-10-25 12:09:52 +0200318 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530319 if (!send_buf) {
320 BT_ERR("Can't allocate memory chunk for firmware");
321 return -ENOMEM;
322 }
323
324 size = min_t(uint, count, FW_HDR_SIZE);
325 memcpy(send_buf, firmware->data, size);
326
327 pipe = usb_sndctrlpipe(udev, 0);
328 ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
329 USB_TYPE_VENDOR, 0, 0, send_buf,
330 size, USB_CTRL_SET_TIMEOUT);
331 if (ret < 0) {
332 BT_ERR("Can't change to loading configuration err");
333 kfree(send_buf);
334 return ret;
335 }
336
337 sent += size;
338 count -= size;
339
Adam Leeb0c3e132014-06-05 21:47:44 +0800340 pipe = usb_sndbulkpipe(udev, 0x02);
341
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530342 while (count) {
Adam Leec561a572015-01-28 15:30:27 -0500343 /* workaround the compatibility issue with xHCI controller*/
344 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
345
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530346 size = min_t(uint, count, BULK_SIZE);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530347 memcpy(send_buf, firmware->data + sent, size);
348
349 err = usb_bulk_msg(udev, pipe, send_buf, size,
350 &len, 3000);
351 if (err || (len != size)) {
352 BT_ERR("Error in firmware loading err = %d,"
353 "len = %d, size = %d", err, len, size);
354 kfree(send_buf);
355 return err;
356 }
357 sent += size;
358 count -= size;
359 }
360
361 kfree(send_buf);
362 return 0;
363}
364
365static int ath3k_switch_pid(struct usb_device *udev)
366{
367 int pipe = 0;
368
369 pipe = usb_sndctrlpipe(udev, 0);
370 return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
371 USB_TYPE_VENDOR, 0, 0,
372 NULL, 0, USB_CTRL_SET_TIMEOUT);
373}
374
375static int ath3k_set_normal_mode(struct usb_device *udev)
376{
377 unsigned char fw_state;
378 int pipe = 0, ret;
379
380 ret = ath3k_get_state(udev, &fw_state);
381 if (ret < 0) {
382 BT_ERR("Can't get state to change to normal mode err");
383 return ret;
384 }
385
386 if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
387 BT_DBG("firmware was already in normal mode");
388 return 0;
389 }
390
391 pipe = usb_sndctrlpipe(udev, 0);
392 return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
393 USB_TYPE_VENDOR, 0, 0,
394 NULL, 0, USB_CTRL_SET_TIMEOUT);
395}
396
397static int ath3k_load_patch(struct usb_device *udev)
398{
399 unsigned char fw_state;
400 char filename[ATH3K_NAME_LEN] = {0};
401 const struct firmware *firmware;
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200402 struct ath3k_version fw_version;
403 __u32 pt_rom_version, pt_build_version;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530404 int ret;
405
406 ret = ath3k_get_state(udev, &fw_state);
407 if (ret < 0) {
408 BT_ERR("Can't get state to change to load ram patch err");
409 return ret;
410 }
411
412 if (fw_state & ATH3K_PATCH_UPDATE) {
413 BT_DBG("Patch was already downloaded");
414 return 0;
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 snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200424 le32_to_cpu(fw_version.rom_version));
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530425
426 ret = request_firmware(&firmware, filename, &udev->dev);
427 if (ret < 0) {
428 BT_ERR("Patch file not found %s", filename);
429 return ret;
430 }
431
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200432 pt_rom_version = get_unaligned_le32(firmware->data +
433 firmware->size - 8);
434 pt_build_version = get_unaligned_le32(firmware->data +
435 firmware->size - 4);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530436
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200437 if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
438 pt_build_version <= le32_to_cpu(fw_version.build_version)) {
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530439 BT_ERR("Patch file version did not match with firmware");
440 release_firmware(firmware);
441 return -EINVAL;
442 }
443
444 ret = ath3k_load_fwfile(udev, firmware);
445 release_firmware(firmware);
446
447 return ret;
448}
449
450static int ath3k_load_syscfg(struct usb_device *udev)
451{
452 unsigned char fw_state;
453 char filename[ATH3K_NAME_LEN] = {0};
454 const struct firmware *firmware;
455 struct ath3k_version fw_version;
456 int clk_value, ret;
457
458 ret = ath3k_get_state(udev, &fw_state);
459 if (ret < 0) {
Masanari Iida8a168ca2012-12-29 02:00:09 +0900460 BT_ERR("Can't get state to change to load configuration err");
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530461 return -EBUSY;
462 }
463
464 ret = ath3k_get_version(udev, &fw_version);
465 if (ret < 0) {
466 BT_ERR("Can't get version to change to load ram patch err");
467 return ret;
468 }
469
470 switch (fw_version.ref_clock) {
471
472 case ATH3K_XTAL_FREQ_26M:
473 clk_value = 26;
474 break;
475 case ATH3K_XTAL_FREQ_40M:
476 clk_value = 40;
477 break;
478 case ATH3K_XTAL_FREQ_19P2:
479 clk_value = 19;
480 break;
481 default:
482 clk_value = 0;
483 break;
484 }
485
486 snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
Peng Chenb9e25352012-09-06 19:30:43 +0800487 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530488
489 ret = request_firmware(&firmware, filename, &udev->dev);
490 if (ret < 0) {
491 BT_ERR("Configuration file not found %s", filename);
492 return ret;
493 }
494
495 ret = ath3k_load_fwfile(udev, firmware);
496 release_firmware(firmware);
497
498 return ret;
499}
500
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530501static int ath3k_probe(struct usb_interface *intf,
502 const struct usb_device_id *id)
503{
504 const struct firmware *firmware;
505 struct usb_device *udev = interface_to_usbdev(intf);
Rogério Brito84f0e172011-02-03 01:42:05 -0200506 int ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530507
508 BT_DBG("intf %p id %p", intf, id);
509
510 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
511 return -ENODEV;
512
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530513 /* match device ID in ath3k blacklist table */
514 if (!id->driver_info) {
515 const struct usb_device_id *match;
Bhumika Goyald2ee9c22016-01-12 22:10:15 +0530516
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530517 match = usb_match_id(intf, ath3k_blist_tbl);
518 if (match)
519 id = match;
520 }
521
522 /* load patch and sysconfig files for AR3012 */
523 if (id->driver_info & BTUSB_ATH3012) {
Steven.Li2d25f8b2011-07-01 14:02:36 +0800524
525 /* New firmware with patch and sysconfig files already loaded */
526 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
527 return -ENODEV;
528
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530529 ret = ath3k_load_patch(udev);
530 if (ret < 0) {
531 BT_ERR("Loading patch file failed");
532 return ret;
533 }
534 ret = ath3k_load_syscfg(udev);
535 if (ret < 0) {
536 BT_ERR("Loading sysconfig file failed");
537 return ret;
538 }
539 ret = ath3k_set_normal_mode(udev);
540 if (ret < 0) {
541 BT_ERR("Set normal mode failed");
542 return ret;
543 }
544 ath3k_switch_pid(udev);
545 return 0;
546 }
547
Paul Fertserc3eae822011-10-29 21:52:49 +0400548 ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
549 if (ret < 0) {
550 if (ret == -ENOENT)
551 BT_ERR("Firmware file \"%s\" not found",
552 ATH3K_FIRMWARE);
553 else
554 BT_ERR("Firmware file \"%s\" request failed (err=%d)",
555 ATH3K_FIRMWARE, ret);
556 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530557 }
558
Rogério Brito84f0e172011-02-03 01:42:05 -0200559 ret = ath3k_load_firmware(udev, firmware);
Alexander Holler86e09282010-11-22 21:09:01 +0100560 release_firmware(firmware);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530561
Rogério Brito84f0e172011-02-03 01:42:05 -0200562 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530563}
564
565static void ath3k_disconnect(struct usb_interface *intf)
566{
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530567 BT_DBG("ath3k_disconnect intf %p", intf);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530568}
569
570static struct usb_driver ath3k_driver = {
571 .name = "ath3k",
572 .probe = ath3k_probe,
573 .disconnect = ath3k_disconnect,
574 .id_table = ath3k_table,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -0700575 .disable_hub_initiated_lpm = 1,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530576};
577
Greg Kroah-Hartman93f15082011-11-18 09:47:34 -0800578module_usb_driver(ath3k_driver);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530579
580MODULE_AUTHOR("Atheros Communications");
581MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
582MODULE_VERSION(VERSION);
583MODULE_LICENSE("GPL");
Paul Fertserc3eae822011-10-29 21:52:49 +0400584MODULE_FIRMWARE(ATH3K_FIRMWARE);