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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) },
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) },
Lauro Costa72f9f8b2016-05-09 17:36:11 -0300125 { USB_DEVICE(0x13d3, 0x3487) },
Dmitry Tunin12d86892016-07-12 01:35:18 +0300126 { USB_DEVICE(0x13d3, 0x3490) },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530127
Cho, Yu-Chene9036e32011-02-15 10:20:07 +0800128 /* Atheros AR5BBU12 with sflash firmware */
129 { USB_DEVICE(0x0489, 0xE02C) },
John W. Linvilleb67afe72011-02-18 17:03:41 -0500130
Michael Gruetzner85d59722012-05-02 22:33:40 +0200131 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530132 { USB_DEVICE(0x0489, 0xE036) },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200133 { USB_DEVICE(0x0489, 0xE03C) },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200134
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530135 { } /* Terminating entry */
136};
137
138MODULE_DEVICE_TABLE(usb, ath3k_table);
139
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530140#define BTUSB_ATH3012 0x80
141/* This table is to load patch and sysconfig files
142 * for AR3012 */
Marcel Holtmann3932eb32013-10-11 07:46:21 -0700143static const struct usb_device_id ath3k_blist_tbl[] = {
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530144
145 /* Atheros AR3012 with sflash firmware*/
Andy Shevchenko0b880062014-02-18 18:26:19 +0200146 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
147 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
148 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
149 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
150 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin692c0622015-06-06 20:25:40 +0300151 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
Anantha Krishnan4b552bc2014-10-06 16:31:49 +0530152 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin28c971d2016-02-10 00:49:11 +0300153 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200154 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
155 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
156 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
157 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -0700158 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200159 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
160 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin7e730c72015-06-18 20:41:51 +0300161 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
Dmitry Tuninec0810d2015-05-02 13:36:58 +0300162 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
Janne Heikkinen134d3b32014-12-09 07:44:51 +0200163 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin81d90442016-02-28 11:04:06 +0300164 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200165 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
Dmitry Tunincd355ff2015-10-05 19:29:33 +0300166 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200167 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +0100168 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200169 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
Ming Leid66629c2013-03-15 11:00:39 +0800170 { USB_DEVICE(0x0CF3, 0x0036), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530171 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900172 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200173 { USB_DEVICE(0x0cf3, 0x311D), .driver_info = BTUSB_ATH3012 },
Oliver Neukumb1312372014-01-16 15:37:11 +0100174 { USB_DEVICE(0x0cf3, 0x311E), .driver_info = BTUSB_ATH3012 },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100175 { USB_DEVICE(0x0cf3, 0x311F), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200176 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
Ming Leiebaf5792013-03-18 23:45:11 +0800177 { USB_DEVICE(0x0CF3, 0x817a), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin18e0afa2015-10-16 11:45:26 +0300178 { USB_DEVICE(0x0CF3, 0x817b), .driver_info = BTUSB_ATH3012 },
AceLan Kaoac713112012-04-19 14:53:45 +0800179 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
Peng Chen0a3658c2013-08-30 17:41:40 +0800180 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
Wen-chien Jesse Sungca79f232015-05-13 11:39:24 +0800181 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
AceLan Kao1d5b5692013-06-20 13:38:45 +0800182 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200183 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
184 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
185 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin609574e2016-02-10 15:33:17 +0300186 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200187 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin3bb30a7c2014-11-25 20:19:52 +0300188 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin033efa92015-01-18 00:16:51 +0300189 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530190 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin75c6aca2016-03-04 01:32:19 +0300191 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin0d0cef62015-06-06 20:29:25 +0300192 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
Lauro Costa72f9f8b2016-05-09 17:36:11 -0300193 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin12d86892016-07-12 01:35:18 +0300194 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530195
Michael Gruetzner85d59722012-05-02 22:33:40 +0200196 /* Atheros AR5BBU22 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530197 { USB_DEVICE(0x0489, 0xE036), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200198 { USB_DEVICE(0x0489, 0xE03C), .driver_info = BTUSB_ATH3012 },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200199
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530200 { } /* Terminating entry */
201};
202
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530203#define USB_REQ_DFU_DNLOAD 1
204#define BULK_SIZE 4096
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530205#define FW_HDR_SIZE 20
Adam Leec561a572015-01-28 15:30:27 -0500206#define TIMEGAP_USEC_MIN 50
207#define TIMEGAP_USEC_MAX 100
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530208
Alexander Holler86e09282010-11-22 21:09:01 +0100209static int ath3k_load_firmware(struct usb_device *udev,
210 const struct firmware *firmware)
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530211{
212 u8 *send_buf;
Dan Carpentere9fc7162016-04-22 13:02:55 +0300213 int len = 0;
214 int err, pipe, size, sent = 0;
Alexander Holler86e09282010-11-22 21:09:01 +0100215 int count = firmware->size;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530216
Alexander Holler86e09282010-11-22 21:09:01 +0100217 BT_DBG("udev %p", udev);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530218
Alexander Holler86e09282010-11-22 21:09:01 +0100219 pipe = usb_sndctrlpipe(udev, 0);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530220
David Herrmann52a10202011-10-25 12:09:52 +0200221 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530222 if (!send_buf) {
223 BT_ERR("Can't allocate memory chunk for firmware");
224 return -ENOMEM;
225 }
226
Alexander Holler86e09282010-11-22 21:09:01 +0100227 memcpy(send_buf, firmware->data, 20);
Valentin Iliea08b15e2013-08-12 18:46:00 +0300228 err = usb_control_msg(udev, pipe, USB_REQ_DFU_DNLOAD, USB_TYPE_VENDOR,
229 0, 0, send_buf, 20, USB_CTRL_SET_TIMEOUT);
230 if (err < 0) {
Alexander Holler86e09282010-11-22 21:09:01 +0100231 BT_ERR("Can't change to loading configuration err");
232 goto error;
233 }
234 sent += 20;
235 count -= 20;
236
Adam Lee3abb56d2014-05-27 13:49:07 +0800237 pipe = usb_sndbulkpipe(udev, 0x02);
238
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530239 while (count) {
Adam Leec561a572015-01-28 15:30:27 -0500240 /* workaround the compatibility issue with xHCI controller*/
241 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
242
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530243 size = min_t(uint, count, BULK_SIZE);
Alexander Holler86e09282010-11-22 21:09:01 +0100244 memcpy(send_buf, firmware->data + sent, size);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530245
Alexander Holler86e09282010-11-22 21:09:01 +0100246 err = usb_bulk_msg(udev, pipe, send_buf, size,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530247 &len, 3000);
248
249 if (err || (len != size)) {
250 BT_ERR("Error in firmware loading err = %d,"
251 "len = %d, size = %d", err, len, size);
252 goto error;
253 }
254
255 sent += size;
256 count -= size;
257 }
258
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530259error:
260 kfree(send_buf);
261 return err;
262}
263
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530264static int ath3k_get_state(struct usb_device *udev, unsigned char *state)
265{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200266 int ret, pipe = 0;
267 char *buf;
268
269 buf = kmalloc(sizeof(*buf), GFP_KERNEL);
270 if (!buf)
271 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530272
273 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200274 ret = usb_control_msg(udev, pipe, ATH3K_GETSTATE,
275 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
276 buf, sizeof(*buf), USB_CTRL_SET_TIMEOUT);
277
278 *state = *buf;
279 kfree(buf);
280
281 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530282}
283
284static int ath3k_get_version(struct usb_device *udev,
285 struct ath3k_version *version)
286{
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200287 int ret, pipe = 0;
288 struct ath3k_version *buf;
289 const int size = sizeof(*buf);
290
291 buf = kmalloc(size, GFP_KERNEL);
292 if (!buf)
293 return -ENOMEM;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530294
295 pipe = usb_rcvctrlpipe(udev, 0);
Stanislaw Gruszka517828a2013-07-08 10:27:23 +0200296 ret = usb_control_msg(udev, pipe, ATH3K_GETVERSION,
297 USB_TYPE_VENDOR | USB_DIR_IN, 0, 0,
298 buf, size, USB_CTRL_SET_TIMEOUT);
299
300 memcpy(version, buf, size);
301 kfree(buf);
302
303 return ret;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530304}
305
306static int ath3k_load_fwfile(struct usb_device *udev,
307 const struct firmware *firmware)
308{
309 u8 *send_buf;
Dan Carpentere9fc7162016-04-22 13:02:55 +0300310 int len = 0;
311 int err, pipe, size, count, sent = 0;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530312 int ret;
313
314 count = firmware->size;
315
David Herrmann52a10202011-10-25 12:09:52 +0200316 send_buf = kmalloc(BULK_SIZE, GFP_KERNEL);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530317 if (!send_buf) {
318 BT_ERR("Can't allocate memory chunk for firmware");
319 return -ENOMEM;
320 }
321
322 size = min_t(uint, count, FW_HDR_SIZE);
323 memcpy(send_buf, firmware->data, size);
324
325 pipe = usb_sndctrlpipe(udev, 0);
326 ret = usb_control_msg(udev, pipe, ATH3K_DNLOAD,
327 USB_TYPE_VENDOR, 0, 0, send_buf,
328 size, USB_CTRL_SET_TIMEOUT);
329 if (ret < 0) {
330 BT_ERR("Can't change to loading configuration err");
331 kfree(send_buf);
332 return ret;
333 }
334
335 sent += size;
336 count -= size;
337
Adam Leeb0c3e132014-06-05 21:47:44 +0800338 pipe = usb_sndbulkpipe(udev, 0x02);
339
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530340 while (count) {
Adam Leec561a572015-01-28 15:30:27 -0500341 /* workaround the compatibility issue with xHCI controller*/
342 usleep_range(TIMEGAP_USEC_MIN, TIMEGAP_USEC_MAX);
343
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530344 size = min_t(uint, count, BULK_SIZE);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530345 memcpy(send_buf, firmware->data + sent, size);
346
347 err = usb_bulk_msg(udev, pipe, send_buf, size,
348 &len, 3000);
349 if (err || (len != size)) {
350 BT_ERR("Error in firmware loading err = %d,"
351 "len = %d, size = %d", err, len, size);
352 kfree(send_buf);
353 return err;
354 }
355 sent += size;
356 count -= size;
357 }
358
359 kfree(send_buf);
360 return 0;
361}
362
363static int ath3k_switch_pid(struct usb_device *udev)
364{
365 int pipe = 0;
366
367 pipe = usb_sndctrlpipe(udev, 0);
368 return usb_control_msg(udev, pipe, USB_REG_SWITCH_VID_PID,
369 USB_TYPE_VENDOR, 0, 0,
370 NULL, 0, USB_CTRL_SET_TIMEOUT);
371}
372
373static int ath3k_set_normal_mode(struct usb_device *udev)
374{
375 unsigned char fw_state;
376 int pipe = 0, ret;
377
378 ret = ath3k_get_state(udev, &fw_state);
379 if (ret < 0) {
380 BT_ERR("Can't get state to change to normal mode err");
381 return ret;
382 }
383
384 if ((fw_state & ATH3K_MODE_MASK) == ATH3K_NORMAL_MODE) {
385 BT_DBG("firmware was already in normal mode");
386 return 0;
387 }
388
389 pipe = usb_sndctrlpipe(udev, 0);
390 return usb_control_msg(udev, pipe, ATH3K_SET_NORMAL_MODE,
391 USB_TYPE_VENDOR, 0, 0,
392 NULL, 0, USB_CTRL_SET_TIMEOUT);
393}
394
395static int ath3k_load_patch(struct usb_device *udev)
396{
397 unsigned char fw_state;
398 char filename[ATH3K_NAME_LEN] = {0};
399 const struct firmware *firmware;
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200400 struct ath3k_version fw_version;
401 __u32 pt_rom_version, pt_build_version;
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530402 int ret;
403
404 ret = ath3k_get_state(udev, &fw_state);
405 if (ret < 0) {
406 BT_ERR("Can't get state to change to load ram patch err");
407 return ret;
408 }
409
410 if (fw_state & ATH3K_PATCH_UPDATE) {
411 BT_DBG("Patch was already downloaded");
412 return 0;
413 }
414
415 ret = ath3k_get_version(udev, &fw_version);
416 if (ret < 0) {
417 BT_ERR("Can't get version to change to load ram patch err");
418 return ret;
419 }
420
421 snprintf(filename, ATH3K_NAME_LEN, "ar3k/AthrBT_0x%08x.dfu",
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200422 le32_to_cpu(fw_version.rom_version));
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530423
424 ret = request_firmware(&firmware, filename, &udev->dev);
425 if (ret < 0) {
426 BT_ERR("Patch file not found %s", filename);
427 return ret;
428 }
429
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200430 pt_rom_version = get_unaligned_le32(firmware->data +
431 firmware->size - 8);
432 pt_build_version = get_unaligned_le32(firmware->data +
433 firmware->size - 4);
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530434
Marcel Holtmann72dd2b22014-07-20 17:29:59 +0200435 if (pt_rom_version != le32_to_cpu(fw_version.rom_version) ||
436 pt_build_version <= le32_to_cpu(fw_version.build_version)) {
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530437 BT_ERR("Patch file version did not match with firmware");
438 release_firmware(firmware);
439 return -EINVAL;
440 }
441
442 ret = ath3k_load_fwfile(udev, firmware);
443 release_firmware(firmware);
444
445 return ret;
446}
447
448static int ath3k_load_syscfg(struct usb_device *udev)
449{
450 unsigned char fw_state;
451 char filename[ATH3K_NAME_LEN] = {0};
452 const struct firmware *firmware;
453 struct ath3k_version fw_version;
454 int clk_value, ret;
455
456 ret = ath3k_get_state(udev, &fw_state);
457 if (ret < 0) {
Masanari Iida8a168ca2012-12-29 02:00:09 +0900458 BT_ERR("Can't get state to change to load configuration err");
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530459 return -EBUSY;
460 }
461
462 ret = ath3k_get_version(udev, &fw_version);
463 if (ret < 0) {
464 BT_ERR("Can't get version to change to load ram patch err");
465 return ret;
466 }
467
468 switch (fw_version.ref_clock) {
469
470 case ATH3K_XTAL_FREQ_26M:
471 clk_value = 26;
472 break;
473 case ATH3K_XTAL_FREQ_40M:
474 clk_value = 40;
475 break;
476 case ATH3K_XTAL_FREQ_19P2:
477 clk_value = 19;
478 break;
479 default:
480 clk_value = 0;
481 break;
482 }
483
484 snprintf(filename, ATH3K_NAME_LEN, "ar3k/ramps_0x%08x_%d%s",
Peng Chenb9e25352012-09-06 19:30:43 +0800485 le32_to_cpu(fw_version.rom_version), clk_value, ".dfu");
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530486
487 ret = request_firmware(&firmware, filename, &udev->dev);
488 if (ret < 0) {
489 BT_ERR("Configuration file not found %s", filename);
490 return ret;
491 }
492
493 ret = ath3k_load_fwfile(udev, firmware);
494 release_firmware(firmware);
495
496 return ret;
497}
498
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530499static int ath3k_probe(struct usb_interface *intf,
500 const struct usb_device_id *id)
501{
502 const struct firmware *firmware;
503 struct usb_device *udev = interface_to_usbdev(intf);
Rogério Brito84f0e172011-02-03 01:42:05 -0200504 int ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530505
506 BT_DBG("intf %p id %p", intf, id);
507
508 if (intf->cur_altsetting->desc.bInterfaceNumber != 0)
509 return -ENODEV;
510
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530511 /* match device ID in ath3k blacklist table */
512 if (!id->driver_info) {
513 const struct usb_device_id *match;
Bhumika Goyald2ee9c22016-01-12 22:10:15 +0530514
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530515 match = usb_match_id(intf, ath3k_blist_tbl);
516 if (match)
517 id = match;
518 }
519
520 /* load patch and sysconfig files for AR3012 */
521 if (id->driver_info & BTUSB_ATH3012) {
Steven.Li2d25f8b2011-07-01 14:02:36 +0800522
523 /* New firmware with patch and sysconfig files already loaded */
524 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x0001)
525 return -ENODEV;
526
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530527 ret = ath3k_load_patch(udev);
528 if (ret < 0) {
529 BT_ERR("Loading patch file failed");
530 return ret;
531 }
532 ret = ath3k_load_syscfg(udev);
533 if (ret < 0) {
534 BT_ERR("Loading sysconfig file failed");
535 return ret;
536 }
537 ret = ath3k_set_normal_mode(udev);
538 if (ret < 0) {
539 BT_ERR("Set normal mode failed");
540 return ret;
541 }
542 ath3k_switch_pid(udev);
543 return 0;
544 }
545
Paul Fertserc3eae822011-10-29 21:52:49 +0400546 ret = request_firmware(&firmware, ATH3K_FIRMWARE, &udev->dev);
547 if (ret < 0) {
548 if (ret == -ENOENT)
549 BT_ERR("Firmware file \"%s\" not found",
550 ATH3K_FIRMWARE);
551 else
552 BT_ERR("Firmware file \"%s\" request failed (err=%d)",
553 ATH3K_FIRMWARE, ret);
554 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530555 }
556
Rogério Brito84f0e172011-02-03 01:42:05 -0200557 ret = ath3k_load_firmware(udev, firmware);
Alexander Holler86e09282010-11-22 21:09:01 +0100558 release_firmware(firmware);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530559
Rogério Brito84f0e172011-02-03 01:42:05 -0200560 return ret;
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530561}
562
563static void ath3k_disconnect(struct usb_interface *intf)
564{
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530565 BT_DBG("ath3k_disconnect intf %p", intf);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530566}
567
568static struct usb_driver ath3k_driver = {
569 .name = "ath3k",
570 .probe = ath3k_probe,
571 .disconnect = ath3k_disconnect,
572 .id_table = ath3k_table,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -0700573 .disable_hub_initiated_lpm = 1,
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530574};
575
Greg Kroah-Hartman93f15082011-11-18 09:47:34 -0800576module_usb_driver(ath3k_driver);
Vikram Kandukuri9670d802010-01-06 19:04:15 +0530577
578MODULE_AUTHOR("Atheros Communications");
579MODULE_DESCRIPTION("Atheros AR30xx firmware driver");
580MODULE_VERSION(VERSION);
581MODULE_LICENSE("GPL");
Paul Fertserc3eae822011-10-29 21:52:49 +0400582MODULE_FIRMWARE(ATH3K_FIRMWARE);