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Marcel Holtmann5e23b922007-10-20 14:12:34 +02001/*
2 *
3 * Generic Bluetooth USB driver
4 *
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02005 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
Marcel Holtmann5e23b922007-10-20 14:12:34 +02006 *
7 *
8 * This program is free software; you can redistribute it and/or modify
9 * it under the terms of the GNU General Public License as published by
10 * the Free Software Foundation; either version 2 of the License, or
11 * (at your option) any later version.
12 *
13 * This program is distributed in the hope that it will be useful,
14 * but WITHOUT ANY WARRANTY; without even the implied warranty of
15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 * GNU General Public License for more details.
17 *
18 * You should have received a copy of the GNU General Public License
19 * along with this program; if not, write to the Free Software
20 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 *
22 */
23
Marcel Holtmann5e23b922007-10-20 14:12:34 +020024#include <linux/module.h>
Marcel Holtmann5e23b922007-10-20 14:12:34 +020025#include <linux/usb.h>
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -070026#include <linux/firmware.h>
Daniel Drakea2698a92015-04-16 14:09:55 -060027#include <asm/unaligned.h>
Marcel Holtmann5e23b922007-10-20 14:12:34 +020028
29#include <net/bluetooth/bluetooth.h>
30#include <net/bluetooth/hci_core.h>
31
Marcel Holtmann4185a0f2015-04-06 00:52:12 -070032#include "btintel.h"
Marcel Holtmann1df1f592015-04-05 22:52:11 -070033#include "btbcm.h"
Carlo Caionedb33c772015-05-14 10:49:09 +020034#include "btrtl.h"
Marcel Holtmann1df1f592015-04-05 22:52:11 -070035
Marcel Holtmann34dced9b2015-04-05 22:52:16 -070036#define VERSION "0.8"
Marcel Holtmanncfeb4142008-08-07 22:26:56 +020037
Rusty Russell90ab5ee2012-01-13 09:32:20 +103038static bool disable_scofix;
39static bool force_scofix;
Marcel Holtmann7a9d4022008-11-30 12:17:26 +010040
Shailendra Verma917a3332015-05-25 23:53:40 +053041static bool reset = true;
Marcel Holtmanncfeb4142008-08-07 22:26:56 +020042
43static struct usb_driver btusb_driver;
44
45#define BTUSB_IGNORE 0x01
Marcel Holtmann7a9d4022008-11-30 12:17:26 +010046#define BTUSB_DIGIANSWER 0x02
47#define BTUSB_CSR 0x04
48#define BTUSB_SNIFFER 0x08
49#define BTUSB_BCM92035 0x10
50#define BTUSB_BROKEN_ISOC 0x20
51#define BTUSB_WRONG_SCO_MTU 0x40
Steven.Li2d25f8b2011-07-01 14:02:36 +080052#define BTUSB_ATH3012 0x80
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -070053#define BTUSB_INTEL 0x100
Marcel Holtmann40df7832014-07-06 13:29:58 +020054#define BTUSB_INTEL_BOOT 0x200
55#define BTUSB_BCM_PATCHRAM 0x400
Amitkumar Karwarae8df492014-07-18 14:47:06 -070056#define BTUSB_MARVELL 0x800
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -080057#define BTUSB_SWAVE 0x1000
Marcel Holtmanncda0dd72015-01-26 21:33:48 -080058#define BTUSB_INTEL_NEW 0x2000
Marcel Holtmann893ba542015-01-28 20:27:34 -080059#define BTUSB_AMP 0x4000
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +000060#define BTUSB_QCA_ROME 0x8000
Marcel Holtmann17b27722015-03-22 15:52:38 +010061#define BTUSB_BCM_APPLE 0x10000
Daniel Drakea2698a92015-04-16 14:09:55 -060062#define BTUSB_REALTEK 0x20000
Marcel Holtmann6c9d4352015-10-17 14:39:27 +020063#define BTUSB_BCM2045 0x40000
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +020064#define BTUSB_IFNUM_2 0x80000
Marcel Holtmann5e23b922007-10-20 14:12:34 +020065
Marcel Holtmann54265202013-10-11 07:46:18 -070066static const struct usb_device_id btusb_table[] = {
Marcel Holtmann5e23b922007-10-20 14:12:34 +020067 /* Generic Bluetooth USB device */
68 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
69
Marcel Holtmann893ba542015-01-28 20:27:34 -080070 /* Generic Bluetooth AMP device */
71 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
72
Daniel Draked63b2822015-07-17 11:12:25 -060073 /* Generic Bluetooth USB interface */
74 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
75
Henrik Rydberg1fa65352012-08-25 19:28:06 +020076 /* Apple-specific (Broadcom) devices */
Marcel Holtmann17b27722015-03-22 15:52:38 +010077 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +020078 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
Henrik Rydberg1fa65352012-08-25 19:28:06 +020079
Cho, Yu-Chen178c0592013-06-04 21:40:26 +080080 /* MediaTek MT76x0E */
81 { USB_DEVICE(0x0e8d, 0x763f) },
82
Oliver Neukumc510eae2011-09-21 11:41:45 +020083 /* Broadcom SoftSailing reporting vendor specific */
Don Zickus2e8b50632012-03-28 16:41:11 -040084 { USB_DEVICE(0x0a5c, 0x21e1) },
Oliver Neukumc510eae2011-09-21 11:41:45 +020085
Nobuhiro Iwamatsu3cd01972010-08-20 16:24:07 +090086 /* Apple MacBookPro 7,1 */
87 { USB_DEVICE(0x05ac, 0x8213) },
88
Cyril Lacoux0a79f672010-07-14 10:29:27 +040089 /* Apple iMac11,1 */
90 { USB_DEVICE(0x05ac, 0x8215) },
91
Nobuhiro Iwamatsu9c047152010-08-20 16:24:06 +090092 /* Apple MacBookPro6,2 */
93 { USB_DEVICE(0x05ac, 0x8218) },
94
Edgar (gimli) Hucek3e3ede72010-11-04 08:04:33 +010095 /* Apple MacBookAir3,1, MacBookAir3,2 */
96 { USB_DEVICE(0x05ac, 0x821b) },
97
Pieter-Augustijn Van Malleghema63b7232011-09-07 02:28:10 -040098 /* Apple MacBookAir4,1 */
99 { USB_DEVICE(0x05ac, 0x821f) },
100
Marc-Antoine Perennou88d377b2011-03-24 14:51:21 -0300101 /* Apple MacBookPro8,2 */
102 { USB_DEVICE(0x05ac, 0x821a) },
103
Jurgen Kramerf78b68262011-09-04 18:01:42 +0200104 /* Apple MacMini5,1 */
105 { USB_DEVICE(0x05ac, 0x8281) },
106
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200107 /* AVM BlueFRITZ! USB v2.0 */
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800108 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200109
110 /* Bluetooth Ultraport Module from IBM */
111 { USB_DEVICE(0x04bf, 0x030a) },
112
113 /* ALPS Modules with non-standard id */
114 { USB_DEVICE(0x044e, 0x3001) },
115 { USB_DEVICE(0x044e, 0x3002) },
116
117 /* Ericsson with non-standard id */
118 { USB_DEVICE(0x0bdb, 0x1002) },
119
120 /* Canyon CN-BTU1 with HID interfaces */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100121 { USB_DEVICE(0x0c10, 0x0000) },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200122
Wen-chien Jesse Sungd13431c2011-11-08 14:30:22 +0800123 /* Broadcom BCM20702A0 */
124 { USB_DEVICE(0x413c, 0x8197) },
125
Marcel Holtmannd049f4e2015-01-26 20:35:32 -0800126 /* Broadcom BCM20702B0 (Dynex/Insignia) */
127 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
128
Santtu Rekilä2faf71c2015-10-05 15:45:27 +0300129 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
130 { USB_DEVICE(0x105b, 0xe065), .driver_info = BTUSB_BCM_PATCHRAM },
131
Steven Harms98514032012-04-13 14:45:55 -0400132 /* Foxconn - Hon Hai */
Heinrich Siebmanns6029ddc2014-12-03 19:32:22 +0100133 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
134 .driver_info = BTUSB_BCM_PATCHRAM },
Steven Harms98514032012-04-13 14:45:55 -0400135
Matej Dubovy8f0c3042015-02-02 18:50:14 +0100136 /* Lite-On Technology - Broadcom based */
137 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
138 .driver_info = BTUSB_BCM_PATCHRAM },
139
Andy Shevchenko0b880062014-02-18 18:26:19 +0200140 /* Broadcom devices with vendor specific id */
Petri Gynther10d4c672014-05-08 15:50:01 -0700141 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
142 .driver_info = BTUSB_BCM_PATCHRAM },
Gustavo Padovan92c385f2012-08-06 15:36:49 -0300143
Marcel Holtmannc2aef6e2014-07-21 14:02:33 +0200144 /* ASUSTek Computer - Broadcom based */
Rick Dunn9a5abda2015-01-17 05:29:12 +0100145 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
146 .driver_info = BTUSB_BCM_PATCHRAM },
Marcel Holtmannc2aef6e2014-07-21 14:02:33 +0200147
Ken O'Brien5bcecf32013-09-21 19:14:43 +0100148 /* Belkin F8065bf - Broadcom based */
Marcel Holtmann6331c682015-03-27 15:11:41 -0700149 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
150 .driver_info = BTUSB_BCM_PATCHRAM },
Ken O'Brien5bcecf32013-09-21 19:14:43 +0100151
Jurgen Kramer9113bfd2014-02-15 12:01:09 +0100152 /* IMC Networks - Broadcom based */
Marcel Holtmann6331c682015-03-27 15:11:41 -0700153 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
154 .driver_info = BTUSB_BCM_PATCHRAM },
Jurgen Kramer9113bfd2014-02-15 12:01:09 +0100155
Dmitry Tunin1623d0b2015-12-05 14:09:36 +0300156 /* Toshiba Corp - Broadcom based */
157 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
158 .driver_info = BTUSB_BCM_PATCHRAM },
159
Marcel Holtmann40df7832014-07-06 13:29:58 +0200160 /* Intel Bluetooth USB Bootloader (RAM module) */
Marcel Holtmannd92f2df02014-07-06 14:53:55 +0200161 { USB_DEVICE(0x8087, 0x0a5a),
162 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
Marcel Holtmann40df7832014-07-06 13:29:58 +0200163
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200164 { } /* Terminating entry */
165};
166
167MODULE_DEVICE_TABLE(usb, btusb_table);
168
Marcel Holtmann54265202013-10-11 07:46:18 -0700169static const struct usb_device_id blacklist_table[] = {
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200170 /* CSR BlueCore devices */
171 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
172
173 /* Broadcom BCM2033 without firmware */
174 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
175
Marcel Holtmann6c9d4352015-10-17 14:39:27 +0200176 /* Broadcom BCM2045 devices */
177 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
178
Bala Shanmugambe931122010-11-26 17:35:46 +0530179 /* Atheros 3011 with sflash firmware */
Andy Shevchenko0b880062014-02-18 18:26:19 +0200180 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
181 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
Alexander Ploumistos2eeff0b2015-02-13 21:05:11 +0200182 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200183 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
Bala Shanmugambe931122010-11-26 17:35:46 +0530184 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
Marek Vasut6eda5412012-06-08 14:32:50 +0200185 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
Andy Ross2a7bccc2011-05-09 16:11:16 -0700186 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
Bala Shanmugambe931122010-11-26 17:35:46 +0530187
Cho, Yu-Chen509e7862011-01-26 17:10:59 +0800188 /* Atheros AR9285 Malbec with sflash firmware */
189 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
190
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530191 /* Atheros 3012 with sflash firmware */
Andy Shevchenko0b880062014-02-18 18:26:19 +0200192 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
193 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
194 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
195 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
196 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin692c0622015-06-06 20:25:40 +0300197 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
Anantha Krishnan4b552bc2014-10-06 16:31:49 +0530198 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200199 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
200 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
201 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
202 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -0700203 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200204 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
205 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin7e730c72015-06-18 20:41:51 +0300206 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
Dmitry Tuninec0810d2015-05-02 13:36:58 +0300207 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
Janne Heikkinen134d3b32014-12-09 07:44:51 +0200208 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200209 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
Dmitry Tunincd355ff2015-10-05 19:29:33 +0300210 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200211 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +0100212 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200213 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
Ming Leid66629c2013-03-15 11:00:39 +0800214 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
Steven.Li2d25f8b2011-07-01 14:02:36 +0800215 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900216 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200217 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
Oliver Neukumb1312372014-01-16 15:37:11 +0100218 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100219 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200220 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
Ming Leiebaf5792013-03-18 23:45:11 +0800221 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin18e0afa2015-10-16 11:45:26 +0300222 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200223 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
AceLan Kaoac713112012-04-19 14:53:45 +0800224 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
Peng Chen0a3658c2013-08-30 17:41:40 +0800225 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
Wen-chien Jesse Sungca79f232015-05-13 11:39:24 +0800226 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200227 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
228 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
AceLan Kaoeed307e2012-12-11 11:41:20 +0800229 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
Sujith Manoharan5b77a1f2013-07-15 09:29:03 +0530230 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin3bb30a7c2014-11-25 20:19:52 +0300231 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin033efa92015-01-18 00:16:51 +0300232 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530233 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin0d0cef62015-06-06 20:29:25 +0300234 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530235
Cho, Yu-Chene9036e32011-02-15 10:20:07 +0800236 /* Atheros AR5BBU12 with sflash firmware */
237 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
238
Michael Gruetzner85d59722012-05-02 22:33:40 +0200239 /* Atheros AR5BBU12 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530240 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200241 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200242
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000243 /* QCA ROME chipset */
Wen-chien Jesse Sung20541112015-05-13 11:39:25 +0800244 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
Marcel Holtmannc9e44472015-03-16 23:56:04 -0700245 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
246 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000247
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200248 /* Broadcom BCM2035 */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100249 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200250 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
251 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200252
253 /* Broadcom BCM2045 */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100254 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
255 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmannbdbef3d2008-09-23 00:16:35 +0200256
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200257 /* IBM/Lenovo ThinkPad with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100258 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
259 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200260
261 /* HP laptop with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100262 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200263
264 /* Dell laptop with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100265 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200266
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100267 /* Dell Wireless 370 and 410 devices */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100268 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100269 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200270
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100271 /* Belkin F8T012 and F8T013 devices */
272 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
273 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200274
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100275 /* Asus WL-BTD202 device */
276 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
277
278 /* Kensington Bluetooth USB adapter */
279 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
280
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200281 /* RTX Telecom based adapters with buggy SCO support */
282 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
283 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
284
285 /* CONWISE Technology based adapters with buggy SCO support */
286 { USB_DEVICE(0x0e5e, 0x6622), .driver_info = BTUSB_BROKEN_ISOC },
287
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800288 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
Aleksei Volkov2eeac872015-06-08 12:02:10 +0300289 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800290
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200291 /* Digianswer devices */
292 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
293 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
294
295 /* CSR BlueCore Bluetooth Sniffer */
Marcel Holtmann4f64fa82014-07-07 00:12:04 +0200296 { USB_DEVICE(0x0a12, 0x0002),
297 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200298
299 /* Frontline ComProbe Bluetooth Sniffer */
Marcel Holtmann4f64fa82014-07-07 00:12:04 +0200300 { USB_DEVICE(0x16d3, 0x0002),
301 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200302
Marcel Holtmanncb1ee892015-01-28 19:41:42 -0800303 /* Marvell Bluetooth devices */
304 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
305 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
306
Marcel Holtmannd0ac9eb2015-01-28 19:41:43 -0800307 /* Intel Bluetooth devices */
Marcel Holtmann407550f2015-02-22 15:41:18 -0800308 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700309 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
Tedd Ho-Jeong Anef4e5e42013-11-12 13:10:58 -0800310 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800311 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700312
Marcel Holtmannd0ac9eb2015-01-28 19:41:43 -0800313 /* Other Intel Bluetooth devices */
314 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
315 .driver_info = BTUSB_IGNORE },
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700316
Daniel Drakea2698a92015-04-16 14:09:55 -0600317 /* Realtek Bluetooth devices */
318 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
319 .driver_info = BTUSB_REALTEK },
320
321 /* Additional Realtek 8723AE Bluetooth devices */
322 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
323 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
324
325 /* Additional Realtek 8723BE Bluetooth devices */
326 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
327 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
328 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
329 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
330 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
331
332 /* Additional Realtek 8821AE Bluetooth devices */
333 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
334 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
335 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
336 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
337 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
338
Peter Poklop4481c072015-08-15 20:47:09 +0200339 /* Silicon Wave based devices */
340 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
341
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200342 { } /* Terminating entry */
343};
344
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200345#define BTUSB_MAX_ISOC_FRAMES 10
346
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200347#define BTUSB_INTR_RUNNING 0
348#define BTUSB_BULK_RUNNING 1
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200349#define BTUSB_ISOC_RUNNING 2
Oliver Neukum7bee5492009-08-24 23:44:59 +0200350#define BTUSB_SUSPENDING 3
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300351#define BTUSB_DID_ISO_RESUME 4
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800352#define BTUSB_BOOTLOADER 5
353#define BTUSB_DOWNLOADING 6
Marcel Holtmannce6bb922015-01-28 01:58:40 -0800354#define BTUSB_FIRMWARE_LOADED 7
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800355#define BTUSB_FIRMWARE_FAILED 8
Marcel Holtmannce6bb922015-01-28 01:58:40 -0800356#define BTUSB_BOOTING 9
Daniel Drake04b8c812015-05-21 08:23:50 -0600357#define BTUSB_RESET_RESUME 10
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200358#define BTUSB_DIAG_RUNNING 11
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200359
360struct btusb_data {
361 struct hci_dev *hdev;
362 struct usb_device *udev;
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200363 struct usb_interface *intf;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200364 struct usb_interface *isoc;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200365 struct usb_interface *diag;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200366
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200367 unsigned long flags;
368
369 struct work_struct work;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200370 struct work_struct waker;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200371
Marcel Holtmann803b5832014-09-16 08:00:29 +0200372 struct usb_anchor deferred;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200373 struct usb_anchor tx_anchor;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200374 int tx_in_flight;
375 spinlock_t txlock;
376
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200377 struct usb_anchor intr_anchor;
378 struct usb_anchor bulk_anchor;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200379 struct usb_anchor isoc_anchor;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200380 struct usb_anchor diag_anchor;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200381 spinlock_t rxlock;
382
383 struct sk_buff *evt_skb;
384 struct sk_buff *acl_skb;
385 struct sk_buff *sco_skb;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200386
387 struct usb_endpoint_descriptor *intr_ep;
388 struct usb_endpoint_descriptor *bulk_tx_ep;
389 struct usb_endpoint_descriptor *bulk_rx_ep;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200390 struct usb_endpoint_descriptor *isoc_tx_ep;
391 struct usb_endpoint_descriptor *isoc_rx_ep;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200392 struct usb_endpoint_descriptor *diag_tx_ep;
393 struct usb_endpoint_descriptor *diag_rx_ep;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200394
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100395 __u8 cmdreq_type;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800396 __u8 cmdreq;
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100397
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100398 unsigned int sco_num;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200399 int isoc_altsetting;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100400 int suspend_count;
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100401
Marcel Holtmann97307f52015-01-12 13:51:10 -0800402 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100403 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
Kim, Ben Young Taeace31982015-02-15 23:06:14 +0000404
405 int (*setup_on_usb)(struct hci_dev *hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200406};
407
Marcel Holtmann803b5832014-09-16 08:00:29 +0200408static inline void btusb_free_frags(struct btusb_data *data)
409{
410 unsigned long flags;
411
412 spin_lock_irqsave(&data->rxlock, flags);
413
414 kfree_skb(data->evt_skb);
415 data->evt_skb = NULL;
416
417 kfree_skb(data->acl_skb);
418 data->acl_skb = NULL;
419
420 kfree_skb(data->sco_skb);
421 data->sco_skb = NULL;
422
423 spin_unlock_irqrestore(&data->rxlock, flags);
424}
425
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200426static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
427{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200428 struct sk_buff *skb;
429 int err = 0;
430
431 spin_lock(&data->rxlock);
432 skb = data->evt_skb;
433
434 while (count) {
435 int len;
436
437 if (!skb) {
438 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
439 if (!skb) {
440 err = -ENOMEM;
441 break;
442 }
443
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100444 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
445 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200446 }
447
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100448 len = min_t(uint, hci_skb_expect(skb), count);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200449 memcpy(skb_put(skb, len), buffer, len);
450
451 count -= len;
452 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100453 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200454
455 if (skb->len == HCI_EVENT_HDR_SIZE) {
456 /* Complete event header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100457 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200458
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100459 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200460 kfree_skb(skb);
461 skb = NULL;
462
463 err = -EILSEQ;
464 break;
465 }
466 }
467
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100468 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200469 /* Complete frame */
Marcel Holtmann97307f52015-01-12 13:51:10 -0800470 data->recv_event(data->hdev, skb);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200471 skb = NULL;
472 }
473 }
474
475 data->evt_skb = skb;
476 spin_unlock(&data->rxlock);
477
478 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200479}
480
481static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
482{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200483 struct sk_buff *skb;
484 int err = 0;
485
486 spin_lock(&data->rxlock);
487 skb = data->acl_skb;
488
489 while (count) {
490 int len;
491
492 if (!skb) {
493 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
494 if (!skb) {
495 err = -ENOMEM;
496 break;
497 }
498
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100499 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
500 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200501 }
502
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100503 len = min_t(uint, hci_skb_expect(skb), count);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200504 memcpy(skb_put(skb, len), buffer, len);
505
506 count -= len;
507 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100508 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200509
510 if (skb->len == HCI_ACL_HDR_SIZE) {
511 __le16 dlen = hci_acl_hdr(skb)->dlen;
512
513 /* Complete ACL header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100514 hci_skb_expect(skb) = __le16_to_cpu(dlen);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200515
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100516 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200517 kfree_skb(skb);
518 skb = NULL;
519
520 err = -EILSEQ;
521 break;
522 }
523 }
524
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100525 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200526 /* Complete frame */
527 hci_recv_frame(data->hdev, skb);
528 skb = NULL;
529 }
530 }
531
532 data->acl_skb = skb;
533 spin_unlock(&data->rxlock);
534
535 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200536}
537
538static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
539{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200540 struct sk_buff *skb;
541 int err = 0;
542
543 spin_lock(&data->rxlock);
544 skb = data->sco_skb;
545
546 while (count) {
547 int len;
548
549 if (!skb) {
550 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
551 if (!skb) {
552 err = -ENOMEM;
553 break;
554 }
555
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100556 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
557 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200558 }
559
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100560 len = min_t(uint, hci_skb_expect(skb), count);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200561 memcpy(skb_put(skb, len), buffer, len);
562
563 count -= len;
564 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100565 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200566
567 if (skb->len == HCI_SCO_HDR_SIZE) {
568 /* Complete SCO header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100569 hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200570
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100571 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200572 kfree_skb(skb);
573 skb = NULL;
574
575 err = -EILSEQ;
576 break;
577 }
578 }
579
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100580 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200581 /* Complete frame */
582 hci_recv_frame(data->hdev, skb);
583 skb = NULL;
584 }
585 }
586
587 data->sco_skb = skb;
588 spin_unlock(&data->rxlock);
589
590 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200591}
592
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200593static void btusb_intr_complete(struct urb *urb)
594{
595 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100596 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200597 int err;
598
Marcel Holtmann89e75332014-09-16 04:44:50 +0200599 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
600 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200601
602 if (!test_bit(HCI_RUNNING, &hdev->flags))
603 return;
604
605 if (urb->status == 0) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200606 hdev->stat.byte_rx += urb->actual_length;
607
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200608 if (btusb_recv_intr(data, urb->transfer_buffer,
609 urb->actual_length) < 0) {
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200610 BT_ERR("%s corrupted event packet", hdev->name);
611 hdev->stat.err_rx++;
612 }
Champion Chen85560c42014-09-06 14:06:08 -0500613 } else if (urb->status == -ENOENT) {
614 /* Avoid suspend failed when usb_kill_urb */
615 return;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200616 }
617
618 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
619 return;
620
Oliver Neukum7bee5492009-08-24 23:44:59 +0200621 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200622 usb_anchor_urb(urb, &data->intr_anchor);
623
624 err = usb_submit_urb(urb, GFP_ATOMIC);
625 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200626 /* -EPERM: urb is being killed;
627 * -ENODEV: device got disconnected */
628 if (err != -EPERM && err != -ENODEV)
Stefan Seyfried61faddf2010-11-30 21:49:08 +0100629 BT_ERR("%s urb %p failed to resubmit (%d)",
Marcel Holtmann89e75332014-09-16 04:44:50 +0200630 hdev->name, urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200631 usb_unanchor_urb(urb);
632 }
633}
634
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100635static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200636{
David Herrmann155961e2012-02-09 21:58:32 +0100637 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200638 struct urb *urb;
639 unsigned char *buf;
640 unsigned int pipe;
641 int err, size;
642
643 BT_DBG("%s", hdev->name);
644
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200645 if (!data->intr_ep)
646 return -ENODEV;
647
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100648 urb = usb_alloc_urb(0, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200649 if (!urb)
650 return -ENOMEM;
651
652 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
653
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100654 buf = kmalloc(size, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200655 if (!buf) {
656 usb_free_urb(urb);
657 return -ENOMEM;
658 }
659
660 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
661
662 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200663 btusb_intr_complete, hdev, data->intr_ep->bInterval);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200664
665 urb->transfer_flags |= URB_FREE_BUFFER;
666
667 usb_anchor_urb(urb, &data->intr_anchor);
668
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100669 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200670 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200671 if (err != -EPERM && err != -ENODEV)
672 BT_ERR("%s urb %p submission failed (%d)",
Marcel Holtmann89e75332014-09-16 04:44:50 +0200673 hdev->name, urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200674 usb_unanchor_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200675 }
676
677 usb_free_urb(urb);
678
679 return err;
680}
681
682static void btusb_bulk_complete(struct urb *urb)
683{
684 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100685 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200686 int err;
687
Marcel Holtmann89e75332014-09-16 04:44:50 +0200688 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
689 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200690
691 if (!test_bit(HCI_RUNNING, &hdev->flags))
692 return;
693
694 if (urb->status == 0) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200695 hdev->stat.byte_rx += urb->actual_length;
696
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100697 if (data->recv_bulk(data, urb->transfer_buffer,
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200698 urb->actual_length) < 0) {
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200699 BT_ERR("%s corrupted ACL packet", hdev->name);
700 hdev->stat.err_rx++;
701 }
Champion Chen85560c42014-09-06 14:06:08 -0500702 } else if (urb->status == -ENOENT) {
703 /* Avoid suspend failed when usb_kill_urb */
704 return;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200705 }
706
707 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
708 return;
709
710 usb_anchor_urb(urb, &data->bulk_anchor);
Oliver Neukum652fd782009-12-16 19:23:43 +0100711 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200712
713 err = usb_submit_urb(urb, GFP_ATOMIC);
714 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200715 /* -EPERM: urb is being killed;
716 * -ENODEV: device got disconnected */
717 if (err != -EPERM && err != -ENODEV)
Stefan Seyfried61faddf2010-11-30 21:49:08 +0100718 BT_ERR("%s urb %p failed to resubmit (%d)",
Marcel Holtmann89e75332014-09-16 04:44:50 +0200719 hdev->name, urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200720 usb_unanchor_urb(urb);
721 }
722}
723
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100724static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200725{
David Herrmann155961e2012-02-09 21:58:32 +0100726 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200727 struct urb *urb;
728 unsigned char *buf;
729 unsigned int pipe;
Vikram Kandukuri290ba202009-07-02 14:31:59 +0530730 int err, size = HCI_MAX_FRAME_SIZE;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200731
732 BT_DBG("%s", hdev->name);
733
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200734 if (!data->bulk_rx_ep)
735 return -ENODEV;
736
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100737 urb = usb_alloc_urb(0, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200738 if (!urb)
739 return -ENOMEM;
740
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100741 buf = kmalloc(size, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200742 if (!buf) {
743 usb_free_urb(urb);
744 return -ENOMEM;
745 }
746
747 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
748
Marcel Holtmann89e75332014-09-16 04:44:50 +0200749 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
750 btusb_bulk_complete, hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200751
752 urb->transfer_flags |= URB_FREE_BUFFER;
753
Oliver Neukum7bee5492009-08-24 23:44:59 +0200754 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200755 usb_anchor_urb(urb, &data->bulk_anchor);
756
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100757 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200758 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200759 if (err != -EPERM && err != -ENODEV)
760 BT_ERR("%s urb %p submission failed (%d)",
Marcel Holtmann89e75332014-09-16 04:44:50 +0200761 hdev->name, urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200762 usb_unanchor_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200763 }
764
765 usb_free_urb(urb);
766
767 return err;
768}
769
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200770static void btusb_isoc_complete(struct urb *urb)
771{
772 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100773 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200774 int i, err;
775
Marcel Holtmann89e75332014-09-16 04:44:50 +0200776 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
777 urb->actual_length);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200778
779 if (!test_bit(HCI_RUNNING, &hdev->flags))
780 return;
781
782 if (urb->status == 0) {
783 for (i = 0; i < urb->number_of_packets; i++) {
784 unsigned int offset = urb->iso_frame_desc[i].offset;
785 unsigned int length = urb->iso_frame_desc[i].actual_length;
786
787 if (urb->iso_frame_desc[i].status)
788 continue;
789
790 hdev->stat.byte_rx += length;
791
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200792 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
793 length) < 0) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200794 BT_ERR("%s corrupted SCO packet", hdev->name);
795 hdev->stat.err_rx++;
796 }
797 }
Champion Chen85560c42014-09-06 14:06:08 -0500798 } else if (urb->status == -ENOENT) {
799 /* Avoid suspend failed when usb_kill_urb */
800 return;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200801 }
802
803 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
804 return;
805
806 usb_anchor_urb(urb, &data->isoc_anchor);
807
808 err = usb_submit_urb(urb, GFP_ATOMIC);
809 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200810 /* -EPERM: urb is being killed;
811 * -ENODEV: device got disconnected */
812 if (err != -EPERM && err != -ENODEV)
Stefan Seyfried61faddf2010-11-30 21:49:08 +0100813 BT_ERR("%s urb %p failed to resubmit (%d)",
Marcel Holtmann89e75332014-09-16 04:44:50 +0200814 hdev->name, urb, -err);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200815 usb_unanchor_urb(urb);
816 }
817}
818
Jesper Juhl42b16b32011-01-17 00:09:38 +0100819static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200820{
821 int i, offset = 0;
822
823 BT_DBG("len %d mtu %d", len, mtu);
824
825 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
826 i++, offset += mtu, len -= mtu) {
827 urb->iso_frame_desc[i].offset = offset;
828 urb->iso_frame_desc[i].length = mtu;
829 }
830
831 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
832 urb->iso_frame_desc[i].offset = offset;
833 urb->iso_frame_desc[i].length = len;
834 i++;
835 }
836
837 urb->number_of_packets = i;
838}
839
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100840static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200841{
David Herrmann155961e2012-02-09 21:58:32 +0100842 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200843 struct urb *urb;
844 unsigned char *buf;
845 unsigned int pipe;
846 int err, size;
847
848 BT_DBG("%s", hdev->name);
849
850 if (!data->isoc_rx_ep)
851 return -ENODEV;
852
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100853 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200854 if (!urb)
855 return -ENOMEM;
856
857 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
858 BTUSB_MAX_ISOC_FRAMES;
859
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100860 buf = kmalloc(size, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200861 if (!buf) {
862 usb_free_urb(urb);
863 return -ENOMEM;
864 }
865
866 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
867
Bing Zhaofa0fb932011-12-20 18:19:00 -0800868 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200869 hdev, data->isoc_rx_ep->bInterval);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200870
Marcel Holtmann89e75332014-09-16 04:44:50 +0200871 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200872
873 __fill_isoc_descriptor(urb, size,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200874 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200875
876 usb_anchor_urb(urb, &data->isoc_anchor);
877
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100878 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200879 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200880 if (err != -EPERM && err != -ENODEV)
881 BT_ERR("%s urb %p submission failed (%d)",
Marcel Holtmann89e75332014-09-16 04:44:50 +0200882 hdev->name, urb, -err);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200883 usb_unanchor_urb(urb);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200884 }
885
886 usb_free_urb(urb);
887
888 return err;
889}
890
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200891static void btusb_diag_complete(struct urb *urb)
892{
893 struct hci_dev *hdev = urb->context;
894 struct btusb_data *data = hci_get_drvdata(hdev);
895 int err;
896
897 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
898 urb->actual_length);
899
900 if (urb->status == 0) {
901 struct sk_buff *skb;
902
903 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
904 if (skb) {
905 memcpy(skb_put(skb, urb->actual_length),
906 urb->transfer_buffer, urb->actual_length);
907 hci_recv_diag(hdev, skb);
908 }
909 } else if (urb->status == -ENOENT) {
910 /* Avoid suspend failed when usb_kill_urb */
911 return;
912 }
913
914 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
915 return;
916
917 usb_anchor_urb(urb, &data->diag_anchor);
918 usb_mark_last_busy(data->udev);
919
920 err = usb_submit_urb(urb, GFP_ATOMIC);
921 if (err < 0) {
922 /* -EPERM: urb is being killed;
923 * -ENODEV: device got disconnected */
924 if (err != -EPERM && err != -ENODEV)
925 BT_ERR("%s urb %p failed to resubmit (%d)",
926 hdev->name, urb, -err);
927 usb_unanchor_urb(urb);
928 }
929}
930
931static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
932{
933 struct btusb_data *data = hci_get_drvdata(hdev);
934 struct urb *urb;
935 unsigned char *buf;
936 unsigned int pipe;
937 int err, size = HCI_MAX_FRAME_SIZE;
938
939 BT_DBG("%s", hdev->name);
940
941 if (!data->diag_rx_ep)
942 return -ENODEV;
943
944 urb = usb_alloc_urb(0, mem_flags);
945 if (!urb)
946 return -ENOMEM;
947
948 buf = kmalloc(size, mem_flags);
949 if (!buf) {
950 usb_free_urb(urb);
951 return -ENOMEM;
952 }
953
954 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
955
956 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
957 btusb_diag_complete, hdev);
958
959 urb->transfer_flags |= URB_FREE_BUFFER;
960
961 usb_mark_last_busy(data->udev);
962 usb_anchor_urb(urb, &data->diag_anchor);
963
964 err = usb_submit_urb(urb, mem_flags);
965 if (err < 0) {
966 if (err != -EPERM && err != -ENODEV)
967 BT_ERR("%s urb %p submission failed (%d)",
968 hdev->name, urb, -err);
969 usb_unanchor_urb(urb);
970 }
971
972 usb_free_urb(urb);
973
974 return err;
975}
976
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200977static void btusb_tx_complete(struct urb *urb)
978{
979 struct sk_buff *skb = urb->context;
Marcel Holtmann89e75332014-09-16 04:44:50 +0200980 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
David Herrmann155961e2012-02-09 21:58:32 +0100981 struct btusb_data *data = hci_get_drvdata(hdev);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200982
Marcel Holtmann89e75332014-09-16 04:44:50 +0200983 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
984 urb->actual_length);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200985
986 if (!test_bit(HCI_RUNNING, &hdev->flags))
987 goto done;
988
989 if (!urb->status)
990 hdev->stat.byte_tx += urb->transfer_buffer_length;
991 else
992 hdev->stat.err_tx++;
993
994done:
995 spin_lock(&data->txlock);
996 data->tx_in_flight--;
997 spin_unlock(&data->txlock);
998
999 kfree(urb->setup_packet);
1000
1001 kfree_skb(skb);
1002}
1003
1004static void btusb_isoc_tx_complete(struct urb *urb)
1005{
1006 struct sk_buff *skb = urb->context;
Marcel Holtmann89e75332014-09-16 04:44:50 +02001007 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001008
Marcel Holtmann89e75332014-09-16 04:44:50 +02001009 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1010 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001011
1012 if (!test_bit(HCI_RUNNING, &hdev->flags))
1013 goto done;
1014
1015 if (!urb->status)
1016 hdev->stat.byte_tx += urb->transfer_buffer_length;
1017 else
1018 hdev->stat.err_tx++;
1019
1020done:
1021 kfree(urb->setup_packet);
1022
1023 kfree_skb(skb);
1024}
1025
1026static int btusb_open(struct hci_dev *hdev)
1027{
David Herrmann155961e2012-02-09 21:58:32 +01001028 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001029 int err;
1030
1031 BT_DBG("%s", hdev->name);
1032
Kim, Ben Young Taeace31982015-02-15 23:06:14 +00001033 /* Patching USB firmware files prior to starting any URBs of HCI path
1034 * It is more safe to use USB bulk channel for downloading USB patch
1035 */
1036 if (data->setup_on_usb) {
1037 err = data->setup_on_usb(hdev);
Marcel Holtmanneb500422015-04-16 23:15:50 +02001038 if (err < 0)
Kim, Ben Young Taeace31982015-02-15 23:06:14 +00001039 return err;
1040 }
1041
Oliver Neukum7bee5492009-08-24 23:44:59 +02001042 err = usb_autopm_get_interface(data->intf);
1043 if (err < 0)
1044 return err;
1045
1046 data->intf->needs_remote_wakeup = 1;
1047
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001048 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
Oliver Neukum7bee5492009-08-24 23:44:59 +02001049 goto done;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001050
Marcel Holtmann2eda66f2008-11-30 12:17:10 +01001051 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
Marcel Holtmann43c2e572009-02-04 17:41:38 +01001052 if (err < 0)
1053 goto failed;
1054
1055 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001056 if (err < 0) {
Marcel Holtmann43c2e572009-02-04 17:41:38 +01001057 usb_kill_anchored_urbs(&data->intr_anchor);
1058 goto failed;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001059 }
1060
Marcel Holtmann43c2e572009-02-04 17:41:38 +01001061 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1062 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1063
Marcel Holtmann9d08f502015-10-08 20:23:08 +02001064 if (data->diag) {
1065 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1066 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1067 }
1068
Oliver Neukum7bee5492009-08-24 23:44:59 +02001069done:
1070 usb_autopm_put_interface(data->intf);
Marcel Holtmann43c2e572009-02-04 17:41:38 +01001071 return 0;
1072
1073failed:
1074 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +02001075 usb_autopm_put_interface(data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001076 return err;
1077}
1078
Oliver Neukum7bee5492009-08-24 23:44:59 +02001079static void btusb_stop_traffic(struct btusb_data *data)
1080{
1081 usb_kill_anchored_urbs(&data->intr_anchor);
1082 usb_kill_anchored_urbs(&data->bulk_anchor);
1083 usb_kill_anchored_urbs(&data->isoc_anchor);
Marcel Holtmann9d08f502015-10-08 20:23:08 +02001084 usb_kill_anchored_urbs(&data->diag_anchor);
Oliver Neukum7bee5492009-08-24 23:44:59 +02001085}
1086
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001087static int btusb_close(struct hci_dev *hdev)
1088{
David Herrmann155961e2012-02-09 21:58:32 +01001089 struct btusb_data *data = hci_get_drvdata(hdev);
Oliver Neukum7bee5492009-08-24 23:44:59 +02001090 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001091
1092 BT_DBG("%s", hdev->name);
1093
Marcel Holtmanne8c3c3d2008-09-23 00:16:36 +02001094 cancel_work_sync(&data->work);
Linus Torvalds404291a2009-11-11 13:32:29 -08001095 cancel_work_sync(&data->waker);
Marcel Holtmanne8c3c3d2008-09-23 00:16:36 +02001096
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001097 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001098 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001099 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Marcel Holtmann9d08f502015-10-08 20:23:08 +02001100 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +02001101
1102 btusb_stop_traffic(data);
Marcel Holtmann803b5832014-09-16 08:00:29 +02001103 btusb_free_frags(data);
1104
Oliver Neukum7bee5492009-08-24 23:44:59 +02001105 err = usb_autopm_get_interface(data->intf);
1106 if (err < 0)
Oliver Neukum7b8e2c12009-11-13 14:26:23 +01001107 goto failed;
Oliver Neukum7bee5492009-08-24 23:44:59 +02001108
1109 data->intf->needs_remote_wakeup = 0;
1110 usb_autopm_put_interface(data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001111
Oliver Neukum7b8e2c12009-11-13 14:26:23 +01001112failed:
1113 usb_scuttle_anchored_urbs(&data->deferred);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001114 return 0;
1115}
1116
1117static int btusb_flush(struct hci_dev *hdev)
1118{
David Herrmann155961e2012-02-09 21:58:32 +01001119 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001120
1121 BT_DBG("%s", hdev->name);
1122
1123 usb_kill_anchored_urbs(&data->tx_anchor);
Marcel Holtmann803b5832014-09-16 08:00:29 +02001124 btusb_free_frags(data);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001125
1126 return 0;
1127}
1128
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001129static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001130{
David Herrmann155961e2012-02-09 21:58:32 +01001131 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001132 struct usb_ctrlrequest *dr;
1133 struct urb *urb;
1134 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001135
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001136 urb = usb_alloc_urb(0, GFP_KERNEL);
1137 if (!urb)
1138 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001139
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001140 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1141 if (!dr) {
1142 usb_free_urb(urb);
1143 return ERR_PTR(-ENOMEM);
1144 }
1145
1146 dr->bRequestType = data->cmdreq_type;
Marcel Holtmann893ba542015-01-28 20:27:34 -08001147 dr->bRequest = data->cmdreq;
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001148 dr->wIndex = 0;
1149 dr->wValue = 0;
1150 dr->wLength = __cpu_to_le16(skb->len);
1151
1152 pipe = usb_sndctrlpipe(data->udev, 0x00);
1153
Marcel Holtmann89e75332014-09-16 04:44:50 +02001154 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001155 skb->data, skb->len, btusb_tx_complete, skb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001156
Marcel Holtmann89e75332014-09-16 04:44:50 +02001157 skb->dev = (void *)hdev;
Marcel Holtmann7bd8f092013-10-11 06:19:18 -07001158
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001159 return urb;
1160}
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001161
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001162static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1163{
1164 struct btusb_data *data = hci_get_drvdata(hdev);
1165 struct urb *urb;
1166 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001167
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001168 if (!data->bulk_tx_ep)
1169 return ERR_PTR(-ENODEV);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001170
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001171 urb = usb_alloc_urb(0, GFP_KERNEL);
1172 if (!urb)
1173 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001174
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001175 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001176
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001177 usb_fill_bulk_urb(urb, data->udev, pipe,
1178 skb->data, skb->len, btusb_tx_complete, skb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001179
Marcel Holtmann89e75332014-09-16 04:44:50 +02001180 skb->dev = (void *)hdev;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001181
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001182 return urb;
1183}
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001184
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001185static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1186{
1187 struct btusb_data *data = hci_get_drvdata(hdev);
1188 struct urb *urb;
1189 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001190
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001191 if (!data->isoc_tx_ep)
1192 return ERR_PTR(-ENODEV);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001193
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001194 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1195 if (!urb)
1196 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001197
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001198 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001199
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001200 usb_fill_int_urb(urb, data->udev, pipe,
1201 skb->data, skb->len, btusb_isoc_tx_complete,
1202 skb, data->isoc_tx_ep->bInterval);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001203
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001204 urb->transfer_flags = URB_ISO_ASAP;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001205
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001206 __fill_isoc_descriptor(urb, skb->len,
1207 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001208
Marcel Holtmann89e75332014-09-16 04:44:50 +02001209 skb->dev = (void *)hdev;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001210
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001211 return urb;
1212}
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001213
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001214static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1215{
1216 struct btusb_data *data = hci_get_drvdata(hdev);
1217 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001218
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001219 usb_anchor_urb(urb, &data->tx_anchor);
1220
Johan Hedberge9753ef2014-09-14 08:49:34 +03001221 err = usb_submit_urb(urb, GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001222 if (err < 0) {
Paul Bolle5a9b80e2011-10-09 12:12:16 +02001223 if (err != -EPERM && err != -ENODEV)
1224 BT_ERR("%s urb %p submission failed (%d)",
Marcel Holtmann89e75332014-09-16 04:44:50 +02001225 hdev->name, urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001226 kfree(urb->setup_packet);
1227 usb_unanchor_urb(urb);
Oliver Neukum7bee5492009-08-24 23:44:59 +02001228 } else {
1229 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001230 }
1231
Cong Wang54a8a79c2011-11-22 09:32:57 +08001232 usb_free_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001233 return err;
1234}
1235
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001236static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1237{
1238 struct btusb_data *data = hci_get_drvdata(hdev);
1239 unsigned long flags;
1240 bool suspending;
1241
1242 spin_lock_irqsave(&data->txlock, flags);
1243 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1244 if (!suspending)
1245 data->tx_in_flight++;
1246 spin_unlock_irqrestore(&data->txlock, flags);
1247
1248 if (!suspending)
1249 return submit_tx_urb(hdev, urb);
1250
1251 usb_anchor_urb(urb, &data->deferred);
1252 schedule_work(&data->waker);
1253
1254 usb_free_urb(urb);
1255 return 0;
1256}
1257
1258static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1259{
1260 struct urb *urb;
1261
1262 BT_DBG("%s", hdev->name);
1263
Marcel Holtmann618e8bc2015-11-05 07:33:56 +01001264 switch (hci_skb_pkt_type(skb)) {
Marcel Holtmann047b2ec2014-09-14 09:11:06 +02001265 case HCI_COMMAND_PKT:
1266 urb = alloc_ctrl_urb(hdev, skb);
1267 if (IS_ERR(urb))
1268 return PTR_ERR(urb);
1269
1270 hdev->stat.cmd_tx++;
1271 return submit_or_queue_tx_urb(hdev, urb);
1272
1273 case HCI_ACLDATA_PKT:
1274 urb = alloc_bulk_urb(hdev, skb);
1275 if (IS_ERR(urb))
1276 return PTR_ERR(urb);
1277
1278 hdev->stat.acl_tx++;
1279 return submit_or_queue_tx_urb(hdev, urb);
1280
1281 case HCI_SCODATA_PKT:
1282 if (hci_conn_num(hdev, SCO_LINK) < 1)
1283 return -ENODEV;
1284
1285 urb = alloc_isoc_urb(hdev, skb);
1286 if (IS_ERR(urb))
1287 return PTR_ERR(urb);
1288
1289 hdev->stat.sco_tx++;
1290 return submit_tx_urb(hdev, urb);
1291 }
1292
1293 return -EILSEQ;
1294}
1295
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001296static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1297{
David Herrmann155961e2012-02-09 21:58:32 +01001298 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001299
1300 BT_DBG("%s evt %d", hdev->name, evt);
1301
Marcel Holtmann014f7bc2013-10-10 09:47:55 -07001302 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1303 data->sco_num = hci_conn_num(hdev, SCO_LINK);
Marcel Holtmann43c2e572009-02-04 17:41:38 +01001304 schedule_work(&data->work);
Marcel Holtmanna780efa2008-11-30 12:17:12 +01001305 }
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001306}
1307
Jesper Juhl42b16b32011-01-17 00:09:38 +01001308static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001309{
David Herrmann155961e2012-02-09 21:58:32 +01001310 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001311 struct usb_interface *intf = data->isoc;
1312 struct usb_endpoint_descriptor *ep_desc;
1313 int i, err;
1314
1315 if (!data->isoc)
1316 return -ENODEV;
1317
1318 err = usb_set_interface(data->udev, 1, altsetting);
1319 if (err < 0) {
1320 BT_ERR("%s setting interface failed (%d)", hdev->name, -err);
1321 return err;
1322 }
1323
1324 data->isoc_altsetting = altsetting;
1325
1326 data->isoc_tx_ep = NULL;
1327 data->isoc_rx_ep = NULL;
1328
1329 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1330 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1331
1332 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1333 data->isoc_tx_ep = ep_desc;
1334 continue;
1335 }
1336
1337 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1338 data->isoc_rx_ep = ep_desc;
1339 continue;
1340 }
1341 }
1342
1343 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
1344 BT_ERR("%s invalid SCO descriptors", hdev->name);
1345 return -ENODEV;
1346 }
1347
1348 return 0;
1349}
1350
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001351static void btusb_work(struct work_struct *work)
1352{
1353 struct btusb_data *data = container_of(work, struct btusb_data, work);
1354 struct hci_dev *hdev = data->hdev;
Mikel Astizf4001d22012-04-11 08:48:51 +02001355 int new_alts;
Oliver Neukum7bee5492009-08-24 23:44:59 +02001356 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001357
Marcel Holtmann014f7bc2013-10-10 09:47:55 -07001358 if (data->sco_num > 0) {
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -03001359 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
Oliver Neukum8efdd0c2011-02-11 13:00:06 +01001360 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
Oliver Neukum7bee5492009-08-24 23:44:59 +02001361 if (err < 0) {
1362 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1363 usb_kill_anchored_urbs(&data->isoc_anchor);
1364 return;
1365 }
1366
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -03001367 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +02001368 }
Mikel Astizf4001d22012-04-11 08:48:51 +02001369
1370 if (hdev->voice_setting & 0x0020) {
1371 static const int alts[3] = { 2, 4, 5 };
Marcel Holtmann89e75332014-09-16 04:44:50 +02001372
Marcel Holtmann014f7bc2013-10-10 09:47:55 -07001373 new_alts = alts[data->sco_num - 1];
Mikel Astizf4001d22012-04-11 08:48:51 +02001374 } else {
Marcel Holtmann014f7bc2013-10-10 09:47:55 -07001375 new_alts = data->sco_num;
Mikel Astizf4001d22012-04-11 08:48:51 +02001376 }
1377
1378 if (data->isoc_altsetting != new_alts) {
Kuba Pawlakf6fc86f2015-10-28 15:18:05 +01001379 unsigned long flags;
1380
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001381 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1382 usb_kill_anchored_urbs(&data->isoc_anchor);
1383
Kuba Pawlak8f9d02f2015-09-10 17:07:00 +01001384 /* When isochronous alternate setting needs to be
1385 * changed, because SCO connection has been added
1386 * or removed, a packet fragment may be left in the
1387 * reassembling state. This could lead to wrongly
1388 * assembled fragments.
1389 *
1390 * Clear outstanding fragment when selecting a new
1391 * alternate setting.
1392 */
Kuba Pawlakf6fc86f2015-10-28 15:18:05 +01001393 spin_lock_irqsave(&data->rxlock, flags);
Kuba Pawlak8f9d02f2015-09-10 17:07:00 +01001394 kfree_skb(data->sco_skb);
1395 data->sco_skb = NULL;
Kuba Pawlakf6fc86f2015-10-28 15:18:05 +01001396 spin_unlock_irqrestore(&data->rxlock, flags);
Kuba Pawlak8f9d02f2015-09-10 17:07:00 +01001397
Mikel Astizf4001d22012-04-11 08:48:51 +02001398 if (__set_isoc_interface(hdev, new_alts) < 0)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001399 return;
1400 }
1401
1402 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
Marcel Holtmann2eda66f2008-11-30 12:17:10 +01001403 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001404 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1405 else
Marcel Holtmann2eda66f2008-11-30 12:17:10 +01001406 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02001407 }
1408 } else {
1409 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1410 usb_kill_anchored_urbs(&data->isoc_anchor);
1411
1412 __set_isoc_interface(hdev, 0);
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -03001413 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
Oliver Neukum8efdd0c2011-02-11 13:00:06 +01001414 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02001415 }
1416}
1417
Oliver Neukum7bee5492009-08-24 23:44:59 +02001418static void btusb_waker(struct work_struct *work)
1419{
1420 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1421 int err;
1422
1423 err = usb_autopm_get_interface(data->intf);
1424 if (err < 0)
1425 return;
1426
1427 usb_autopm_put_interface(data->intf);
1428}
1429
Marcel Holtmann9f8f9622013-04-10 08:11:35 -07001430static int btusb_setup_bcm92035(struct hci_dev *hdev)
1431{
1432 struct sk_buff *skb;
1433 u8 val = 0x00;
1434
1435 BT_DBG("%s", hdev->name);
1436
1437 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1438 if (IS_ERR(skb))
1439 BT_ERR("BCM92035 command failed (%ld)", -PTR_ERR(skb));
1440 else
1441 kfree_skb(skb);
1442
1443 return 0;
1444}
1445
Marcel Holtmann81cac642014-01-03 03:02:36 -08001446static int btusb_setup_csr(struct hci_dev *hdev)
1447{
1448 struct hci_rp_read_local_version *rp;
1449 struct sk_buff *skb;
Marcel Holtmann81cac642014-01-03 03:02:36 -08001450
1451 BT_DBG("%s", hdev->name);
1452
Marcel Holtmann7cd84d72015-06-07 10:01:02 +02001453 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1454 HCI_INIT_TIMEOUT);
1455 if (IS_ERR(skb)) {
1456 int err = PTR_ERR(skb);
1457 BT_ERR("%s: CSR: Local version failed (%d)", hdev->name, err);
1458 return err;
1459 }
1460
1461 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
1462 BT_ERR("%s: CSR: Local version length mismatch", hdev->name);
1463 kfree_skb(skb);
1464 return -EIO;
1465 }
Marcel Holtmann81cac642014-01-03 03:02:36 -08001466
Marcel Holtmann89e75332014-09-16 04:44:50 +02001467 rp = (struct hci_rp_read_local_version *)skb->data;
Marcel Holtmann81cac642014-01-03 03:02:36 -08001468
Johan Hedberg6cafcd92015-08-30 21:47:21 +03001469 /* Detect controllers which aren't real CSR ones. */
1470 if (le16_to_cpu(rp->manufacturer) != 10 ||
1471 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
Marcel Holtmann9641d342015-06-07 10:01:01 +02001472 /* Clear the reset quirk since this is not an actual
1473 * early Bluetooth 1.1 device from CSR.
1474 */
1475 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -08001476
Marcel Holtmann9641d342015-06-07 10:01:01 +02001477 /* These fake CSR controllers have all a broken
1478 * stored link key handling and so just disable it.
1479 */
1480 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -08001481 }
1482
Marcel Holtmann81cac642014-01-03 03:02:36 -08001483 kfree_skb(skb);
1484
Marcel Holtmann9641d342015-06-07 10:01:01 +02001485 return 0;
Marcel Holtmann81cac642014-01-03 03:02:36 -08001486}
1487
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001488static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
Marcel Holtmann89e75332014-09-16 04:44:50 +02001489 struct intel_version *ver)
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001490{
1491 const struct firmware *fw;
1492 char fwname[64];
1493 int ret;
1494
1495 snprintf(fwname, sizeof(fwname),
1496 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1497 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1498 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1499 ver->fw_build_ww, ver->fw_build_yy);
1500
1501 ret = request_firmware(&fw, fwname, &hdev->dev);
1502 if (ret < 0) {
1503 if (ret == -EINVAL) {
1504 BT_ERR("%s Intel firmware file request failed (%d)",
1505 hdev->name, ret);
1506 return NULL;
1507 }
1508
1509 BT_ERR("%s failed to open Intel firmware file: %s(%d)",
1510 hdev->name, fwname, ret);
1511
1512 /* If the correct firmware patch file is not found, use the
1513 * default firmware patch file instead
1514 */
1515 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1516 ver->hw_platform, ver->hw_variant);
1517 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
1518 BT_ERR("%s failed to open default Intel fw file: %s",
1519 hdev->name, fwname);
1520 return NULL;
1521 }
1522 }
1523
1524 BT_INFO("%s: Intel Bluetooth firmware file: %s", hdev->name, fwname);
1525
1526 return fw;
1527}
1528
1529static int btusb_setup_intel_patching(struct hci_dev *hdev,
1530 const struct firmware *fw,
1531 const u8 **fw_ptr, int *disable_patch)
1532{
1533 struct sk_buff *skb;
1534 struct hci_command_hdr *cmd;
1535 const u8 *cmd_param;
1536 struct hci_event_hdr *evt = NULL;
1537 const u8 *evt_param = NULL;
1538 int remain = fw->size - (*fw_ptr - fw->data);
1539
1540 /* The first byte indicates the types of the patch command or event.
1541 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1542 * in the current firmware buffer doesn't start with 0x01 or
1543 * the size of remain buffer is smaller than HCI command header,
1544 * the firmware file is corrupted and it should stop the patching
1545 * process.
1546 */
1547 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
1548 BT_ERR("%s Intel fw corrupted: invalid cmd read", hdev->name);
1549 return -EINVAL;
1550 }
1551 (*fw_ptr)++;
1552 remain--;
1553
1554 cmd = (struct hci_command_hdr *)(*fw_ptr);
1555 *fw_ptr += sizeof(*cmd);
1556 remain -= sizeof(*cmd);
1557
1558 /* Ensure that the remain firmware data is long enough than the length
1559 * of command parameter. If not, the firmware file is corrupted.
1560 */
1561 if (remain < cmd->plen) {
1562 BT_ERR("%s Intel fw corrupted: invalid cmd len", hdev->name);
1563 return -EFAULT;
1564 }
1565
1566 /* If there is a command that loads a patch in the firmware
1567 * file, then enable the patch upon success, otherwise just
1568 * disable the manufacturer mode, for example patch activation
1569 * is not required when the default firmware patch file is used
1570 * because there are no patch data to load.
1571 */
1572 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1573 *disable_patch = 0;
1574
1575 cmd_param = *fw_ptr;
1576 *fw_ptr += cmd->plen;
1577 remain -= cmd->plen;
1578
1579 /* This reads the expected events when the above command is sent to the
1580 * device. Some vendor commands expects more than one events, for
1581 * example command status event followed by vendor specific event.
1582 * For this case, it only keeps the last expected event. so the command
1583 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1584 * last expected event.
1585 */
1586 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1587 (*fw_ptr)++;
1588 remain--;
1589
1590 evt = (struct hci_event_hdr *)(*fw_ptr);
1591 *fw_ptr += sizeof(*evt);
1592 remain -= sizeof(*evt);
1593
1594 if (remain < evt->plen) {
1595 BT_ERR("%s Intel fw corrupted: invalid evt len",
1596 hdev->name);
1597 return -EFAULT;
1598 }
1599
1600 evt_param = *fw_ptr;
1601 *fw_ptr += evt->plen;
1602 remain -= evt->plen;
1603 }
1604
1605 /* Every HCI commands in the firmware file has its correspond event.
1606 * If event is not found or remain is smaller than zero, the firmware
1607 * file is corrupted.
1608 */
1609 if (!evt || !evt_param || remain < 0) {
1610 BT_ERR("%s Intel fw corrupted: invalid evt read", hdev->name);
1611 return -EFAULT;
1612 }
1613
1614 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1615 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1616 if (IS_ERR(skb)) {
1617 BT_ERR("%s sending Intel patch command (0x%4.4x) failed (%ld)",
1618 hdev->name, cmd->opcode, PTR_ERR(skb));
Adam Leed9c78e92013-07-10 10:02:12 +08001619 return PTR_ERR(skb);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001620 }
1621
1622 /* It ensures that the returned event matches the event data read from
1623 * the firmware file. At fist, it checks the length and then
1624 * the contents of the event.
1625 */
1626 if (skb->len != evt->plen) {
1627 BT_ERR("%s mismatch event length (opcode 0x%4.4x)", hdev->name,
1628 le16_to_cpu(cmd->opcode));
1629 kfree_skb(skb);
1630 return -EFAULT;
1631 }
1632
1633 if (memcmp(skb->data, evt_param, evt->plen)) {
1634 BT_ERR("%s mismatch event parameter (opcode 0x%4.4x)",
1635 hdev->name, le16_to_cpu(cmd->opcode));
1636 kfree_skb(skb);
1637 return -EFAULT;
1638 }
1639 kfree_skb(skb);
1640
1641 return 0;
1642}
1643
1644static int btusb_setup_intel(struct hci_dev *hdev)
1645{
1646 struct sk_buff *skb;
1647 const struct firmware *fw;
1648 const u8 *fw_ptr;
Loic Poulain28dc4b92015-12-03 16:10:22 +01001649 int disable_patch, err;
Loic Poulain6c483de2015-12-06 16:18:34 +01001650 struct intel_version ver;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001651
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001652 BT_DBG("%s", hdev->name);
1653
1654 /* The controller has a bug with the first HCI command sent to it
1655 * returning number of completed commands as zero. This would stall the
1656 * command processing in the Bluetooth core.
1657 *
1658 * As a workaround, send HCI Reset command first which will reset the
1659 * number of completed commands and allow normal command processing
1660 * from now on.
1661 */
1662 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1663 if (IS_ERR(skb)) {
1664 BT_ERR("%s sending initial HCI reset command failed (%ld)",
1665 hdev->name, PTR_ERR(skb));
Adam Leed9c78e92013-07-10 10:02:12 +08001666 return PTR_ERR(skb);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001667 }
1668 kfree_skb(skb);
1669
1670 /* Read Intel specific controller version first to allow selection of
1671 * which firmware file to load.
1672 *
1673 * The returned information are hardware variant and revision plus
1674 * firmware variant, revision and build number.
1675 */
Loic Poulain6c483de2015-12-06 16:18:34 +01001676 err = btintel_read_version(hdev, &ver);
1677 if (err)
1678 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001679
1680 BT_INFO("%s: read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
Loic Poulain6c483de2015-12-06 16:18:34 +01001681 hdev->name, ver.hw_platform, ver.hw_variant, ver.hw_revision,
1682 ver.fw_variant, ver.fw_revision, ver.fw_build_num,
1683 ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001684
1685 /* fw_patch_num indicates the version of patch the device currently
1686 * have. If there is no patch data in the device, it is always 0x00.
Minjune Kim5075eda2015-08-27 13:21:52 +09001687 * So, if it is other than 0x00, no need to patch the device again.
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001688 */
Loic Poulain6c483de2015-12-06 16:18:34 +01001689 if (ver.fw_patch_num) {
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001690 BT_INFO("%s: Intel device is already patched. patch num: %02x",
Loic Poulain6c483de2015-12-06 16:18:34 +01001691 hdev->name, ver.fw_patch_num);
Marcel Holtmann213445b2015-10-21 02:45:19 +02001692 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001693 }
1694
1695 /* Opens the firmware patch file based on the firmware version read
1696 * from the controller. If it fails to open the matching firmware
1697 * patch file, it tries to open the default firmware patch file.
1698 * If no patch file is found, allow the device to operate without
1699 * a patch.
1700 */
Loic Poulain6c483de2015-12-06 16:18:34 +01001701 fw = btusb_setup_intel_get_fw(hdev, &ver);
1702 if (!fw)
Marcel Holtmann213445b2015-10-21 02:45:19 +02001703 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001704 fw_ptr = fw->data;
1705
Loic Poulain28dc4b92015-12-03 16:10:22 +01001706 /* Enable the manufacturer mode of the controller.
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001707 * Only while this mode is enabled, the driver can download the
1708 * firmware patch data and configuration parameters.
1709 */
Loic Poulain28dc4b92015-12-03 16:10:22 +01001710 err = btintel_enter_mfg(hdev);
1711 if (err) {
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001712 release_firmware(fw);
Loic Poulain28dc4b92015-12-03 16:10:22 +01001713 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001714 }
1715
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001716 disable_patch = 1;
1717
1718 /* The firmware data file consists of list of Intel specific HCI
1719 * commands and its expected events. The first byte indicates the
1720 * type of the message, either HCI command or HCI event.
1721 *
1722 * It reads the command and its expected event from the firmware file,
1723 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1724 * the returned event is compared with the event read from the firmware
1725 * file and it will continue until all the messages are downloaded to
1726 * the controller.
1727 *
1728 * Once the firmware patching is completed successfully,
1729 * the manufacturer mode is disabled with reset and activating the
1730 * downloaded patch.
1731 *
1732 * If the firmware patching fails, the manufacturer mode is
1733 * disabled with reset and deactivating the patch.
1734 *
1735 * If the default patch file is used, no reset is done when disabling
1736 * the manufacturer.
1737 */
1738 while (fw->size > fw_ptr - fw->data) {
1739 int ret;
1740
1741 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1742 &disable_patch);
1743 if (ret < 0)
1744 goto exit_mfg_deactivate;
1745 }
1746
1747 release_firmware(fw);
1748
1749 if (disable_patch)
1750 goto exit_mfg_disable;
1751
1752 /* Patching completed successfully and disable the manufacturer mode
1753 * with reset and activate the downloaded firmware patches.
1754 */
Loic Poulain28dc4b92015-12-03 16:10:22 +01001755 err = btintel_exit_mfg(hdev, true, true);
1756 if (err)
1757 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001758
1759 BT_INFO("%s: Intel Bluetooth firmware patch completed and activated",
1760 hdev->name);
1761
Marcel Holtmann213445b2015-10-21 02:45:19 +02001762 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001763
1764exit_mfg_disable:
1765 /* Disable the manufacturer mode without reset */
Loic Poulain28dc4b92015-12-03 16:10:22 +01001766 err = btintel_exit_mfg(hdev, false, false);
1767 if (err)
1768 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001769
1770 BT_INFO("%s: Intel Bluetooth firmware patch completed", hdev->name);
Marcel Holtmann40cb0982014-07-02 12:06:45 +02001771
Marcel Holtmann213445b2015-10-21 02:45:19 +02001772 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001773
1774exit_mfg_deactivate:
1775 release_firmware(fw);
1776
1777 /* Patching failed. Disable the manufacturer mode with reset and
1778 * deactivate the downloaded firmware patches.
1779 */
Loic Poulain28dc4b92015-12-03 16:10:22 +01001780 err = btintel_exit_mfg(hdev, true, false);
1781 if (err)
1782 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001783
1784 BT_INFO("%s: Intel Bluetooth firmware patch completed and deactivated",
1785 hdev->name);
1786
Marcel Holtmann213445b2015-10-21 02:45:19 +02001787complete:
1788 /* Set the event mask for Intel specific vendor events. This enables
1789 * a few extra events that are useful during general operation.
1790 */
1791 btintel_set_event_mask_mfg(hdev, false);
1792
Marcel Holtmann4185a0f2015-04-06 00:52:12 -07001793 btintel_check_bdaddr(hdev);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07001794 return 0;
1795}
1796
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001797static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1798{
1799 struct sk_buff *skb;
1800 struct hci_event_hdr *hdr;
1801 struct hci_ev_cmd_complete *evt;
1802
1803 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_ATOMIC);
1804 if (!skb)
1805 return -ENOMEM;
1806
1807 hdr = (struct hci_event_hdr *)skb_put(skb, sizeof(*hdr));
1808 hdr->evt = HCI_EV_CMD_COMPLETE;
1809 hdr->plen = sizeof(*evt) + 1;
1810
1811 evt = (struct hci_ev_cmd_complete *)skb_put(skb, sizeof(*evt));
1812 evt->ncmd = 0x01;
1813 evt->opcode = cpu_to_le16(opcode);
1814
1815 *skb_put(skb, 1) = 0x00;
1816
Marcel Holtmann618e8bc2015-11-05 07:33:56 +01001817 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001818
1819 return hci_recv_frame(hdev, skb);
1820}
1821
1822static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
1823 int count)
1824{
1825 /* When the device is in bootloader mode, then it can send
1826 * events via the bulk endpoint. These events are treated the
1827 * same way as the ones received from the interrupt endpoint.
1828 */
1829 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
1830 return btusb_recv_intr(data, buffer, count);
1831
1832 return btusb_recv_bulk(data, buffer, count);
1833}
1834
Marcel Holtmannccd6da22015-04-09 00:35:19 -07001835static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
1836 unsigned int len)
1837{
1838 const struct intel_bootup *evt = ptr;
1839
1840 if (len != sizeof(*evt))
1841 return;
1842
1843 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags)) {
1844 smp_mb__after_atomic();
1845 wake_up_bit(&data->flags, BTUSB_BOOTING);
1846 }
1847}
1848
1849static void btusb_intel_secure_send_result(struct btusb_data *data,
1850 const void *ptr, unsigned int len)
1851{
1852 const struct intel_secure_send_result *evt = ptr;
1853
1854 if (len != sizeof(*evt))
1855 return;
1856
1857 if (evt->result)
1858 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
1859
1860 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
1861 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags)) {
1862 smp_mb__after_atomic();
1863 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
1864 }
1865}
1866
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001867static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
1868{
1869 struct btusb_data *data = hci_get_drvdata(hdev);
1870
1871 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1872 struct hci_event_hdr *hdr = (void *)skb->data;
1873
Marcel Holtmannccd6da22015-04-09 00:35:19 -07001874 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
1875 hdr->plen > 0) {
1876 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
1877 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001878
Marcel Holtmannccd6da22015-04-09 00:35:19 -07001879 switch (skb->data[2]) {
1880 case 0x02:
1881 /* When switching to the operational firmware
1882 * the device sends a vendor specific event
1883 * indicating that the bootup completed.
1884 */
1885 btusb_intel_bootup(data, ptr, len);
1886 break;
1887 case 0x06:
1888 /* When the firmware loading completes the
1889 * device sends out a vendor specific event
1890 * indicating the result of the firmware
1891 * loading.
1892 */
1893 btusb_intel_secure_send_result(data, ptr, len);
1894 break;
Johan Hedbergfad70972015-01-30 10:58:55 +02001895 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001896 }
1897 }
1898
1899 return hci_recv_frame(hdev, skb);
1900}
1901
1902static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
1903{
1904 struct btusb_data *data = hci_get_drvdata(hdev);
1905 struct urb *urb;
1906
1907 BT_DBG("%s", hdev->name);
1908
Marcel Holtmann618e8bc2015-11-05 07:33:56 +01001909 switch (hci_skb_pkt_type(skb)) {
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001910 case HCI_COMMAND_PKT:
1911 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
1912 struct hci_command_hdr *cmd = (void *)skb->data;
1913 __u16 opcode = le16_to_cpu(cmd->opcode);
1914
1915 /* When in bootloader mode and the command 0xfc09
1916 * is received, it needs to be send down the
1917 * bulk endpoint. So allocate a bulk URB instead.
1918 */
1919 if (opcode == 0xfc09)
1920 urb = alloc_bulk_urb(hdev, skb);
1921 else
1922 urb = alloc_ctrl_urb(hdev, skb);
1923
1924 /* When the 0xfc01 command is issued to boot into
1925 * the operational firmware, it will actually not
1926 * send a command complete event. To keep the flow
1927 * control working inject that event here.
1928 */
1929 if (opcode == 0xfc01)
1930 inject_cmd_complete(hdev, opcode);
1931 } else {
1932 urb = alloc_ctrl_urb(hdev, skb);
1933 }
1934 if (IS_ERR(urb))
1935 return PTR_ERR(urb);
1936
1937 hdev->stat.cmd_tx++;
1938 return submit_or_queue_tx_urb(hdev, urb);
1939
1940 case HCI_ACLDATA_PKT:
1941 urb = alloc_bulk_urb(hdev, skb);
1942 if (IS_ERR(urb))
1943 return PTR_ERR(urb);
1944
1945 hdev->stat.acl_tx++;
1946 return submit_or_queue_tx_urb(hdev, urb);
1947
1948 case HCI_SCODATA_PKT:
1949 if (hci_conn_num(hdev, SCO_LINK) < 1)
1950 return -ENODEV;
1951
1952 urb = alloc_isoc_urb(hdev, skb);
1953 if (IS_ERR(urb))
1954 return PTR_ERR(urb);
1955
1956 hdev->stat.sco_tx++;
1957 return submit_tx_urb(hdev, urb);
1958 }
1959
1960 return -EILSEQ;
1961}
1962
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001963static int btusb_setup_intel_new(struct hci_dev *hdev)
1964{
1965 static const u8 reset_param[] = { 0x00, 0x01, 0x00, 0x01,
1966 0x00, 0x08, 0x04, 0x00 };
1967 struct btusb_data *data = hci_get_drvdata(hdev);
1968 struct sk_buff *skb;
Loic Poulain6c483de2015-12-06 16:18:34 +01001969 struct intel_version ver;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001970 struct intel_boot_params *params;
1971 const struct firmware *fw;
1972 const u8 *fw_ptr;
Marcel Holtmanne66890a92015-06-07 09:47:08 +02001973 u32 frag_len;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001974 char fwname[64];
1975 ktime_t calltime, delta, rettime;
1976 unsigned long long duration;
1977 int err;
1978
1979 BT_DBG("%s", hdev->name);
1980
1981 calltime = ktime_get();
1982
1983 /* Read the Intel version information to determine if the device
1984 * is in bootloader mode or if it already has operational firmware
1985 * loaded.
1986 */
Loic Poulain6c483de2015-12-06 16:18:34 +01001987 err = btintel_read_version(hdev, &ver);
1988 if (err)
1989 return err;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001990
1991 /* The hardware platform number has a fixed value of 0x37 and
1992 * for now only accept this single value.
1993 */
Loic Poulain6c483de2015-12-06 16:18:34 +01001994 if (ver.hw_platform != 0x37) {
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001995 BT_ERR("%s: Unsupported Intel hardware platform (%u)",
Loic Poulain6c483de2015-12-06 16:18:34 +01001996 hdev->name, ver.hw_platform);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08001997 return -EINVAL;
1998 }
1999
2000 /* At the moment only the hardware variant iBT 3.0 (LnP/SfP) is
2001 * supported by this firmware loading method. This check has been
2002 * put in place to ensure correct forward compatibility options
2003 * when newer hardware variants come along.
2004 */
Loic Poulain6c483de2015-12-06 16:18:34 +01002005 if (ver.hw_variant != 0x0b) {
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002006 BT_ERR("%s: Unsupported Intel hardware variant (%u)",
Loic Poulain6c483de2015-12-06 16:18:34 +01002007 hdev->name, ver.hw_variant);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002008 return -EINVAL;
2009 }
2010
Loic Poulain6c483de2015-12-06 16:18:34 +01002011 btintel_version_info(hdev, &ver);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002012
2013 /* The firmware variant determines if the device is in bootloader
2014 * mode or is running operational firmware. The value 0x06 identifies
2015 * the bootloader and the value 0x23 identifies the operational
2016 * firmware.
2017 *
2018 * When the operational firmware is already present, then only
2019 * the check for valid Bluetooth device address is needed. This
2020 * determines if the device will be added as configured or
2021 * unconfigured controller.
2022 *
2023 * It is not possible to use the Secure Boot Parameters in this
2024 * case since that command is only available in bootloader mode.
2025 */
Loic Poulain6c483de2015-12-06 16:18:34 +01002026 if (ver.fw_variant == 0x23) {
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002027 clear_bit(BTUSB_BOOTLOADER, &data->flags);
Marcel Holtmann4185a0f2015-04-06 00:52:12 -07002028 btintel_check_bdaddr(hdev);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002029 return 0;
2030 }
2031
2032 /* If the device is not in bootloader mode, then the only possible
2033 * choice is to return an error and abort the device initialization.
2034 */
Loic Poulain6c483de2015-12-06 16:18:34 +01002035 if (ver.fw_variant != 0x06) {
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002036 BT_ERR("%s: Unsupported Intel firmware variant (%u)",
Loic Poulain6c483de2015-12-06 16:18:34 +01002037 hdev->name, ver.fw_variant);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002038 return -ENODEV;
2039 }
2040
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002041 /* Read the secure boot parameters to identify the operating
2042 * details of the bootloader.
2043 */
2044 skb = __hci_cmd_sync(hdev, 0xfc0d, 0, NULL, HCI_INIT_TIMEOUT);
2045 if (IS_ERR(skb)) {
2046 BT_ERR("%s: Reading Intel boot parameters failed (%ld)",
2047 hdev->name, PTR_ERR(skb));
2048 return PTR_ERR(skb);
2049 }
2050
2051 if (skb->len != sizeof(*params)) {
2052 BT_ERR("%s: Intel boot parameters size mismatch", hdev->name);
2053 kfree_skb(skb);
2054 return -EILSEQ;
2055 }
2056
2057 params = (struct intel_boot_params *)skb->data;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002058
2059 BT_INFO("%s: Device revision is %u", hdev->name,
2060 le16_to_cpu(params->dev_revid));
2061
2062 BT_INFO("%s: Secure boot is %s", hdev->name,
2063 params->secure_boot ? "enabled" : "disabled");
2064
Marcel Holtmann2220994e2015-10-13 13:54:55 +02002065 BT_INFO("%s: OTP lock is %s", hdev->name,
2066 params->otp_lock ? "enabled" : "disabled");
2067
2068 BT_INFO("%s: API lock is %s", hdev->name,
2069 params->api_lock ? "enabled" : "disabled");
2070
2071 BT_INFO("%s: Debug lock is %s", hdev->name,
2072 params->debug_lock ? "enabled" : "disabled");
2073
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002074 BT_INFO("%s: Minimum firmware build %u week %u %u", hdev->name,
2075 params->min_fw_build_nn, params->min_fw_build_cw,
2076 2000 + params->min_fw_build_yy);
2077
2078 /* It is required that every single firmware fragment is acknowledged
2079 * with a command complete event. If the boot parameters indicate
2080 * that this bootloader does not send them, then abort the setup.
2081 */
2082 if (params->limited_cce != 0x00) {
2083 BT_ERR("%s: Unsupported Intel firmware loading method (%u)",
2084 hdev->name, params->limited_cce);
2085 kfree_skb(skb);
2086 return -EINVAL;
2087 }
2088
2089 /* If the OTP has no valid Bluetooth device address, then there will
2090 * also be no valid address for the operational firmware.
2091 */
2092 if (!bacmp(&params->otp_bdaddr, BDADDR_ANY)) {
2093 BT_INFO("%s: No device address configured", hdev->name);
2094 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2095 }
2096
2097 /* With this Intel bootloader only the hardware variant and device
2098 * revision information are used to select the right firmware.
2099 *
2100 * Currently this bootloader support is limited to hardware variant
2101 * iBT 3.0 (LnP/SfP) which is identified by the value 11 (0x0b).
2102 */
2103 snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.sfi",
2104 le16_to_cpu(params->dev_revid));
2105
2106 err = request_firmware(&fw, fwname, &hdev->dev);
2107 if (err < 0) {
2108 BT_ERR("%s: Failed to load Intel firmware file (%d)",
2109 hdev->name, err);
2110 kfree_skb(skb);
2111 return err;
2112 }
2113
2114 BT_INFO("%s: Found device firmware: %s", hdev->name, fwname);
2115
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -07002116 /* Save the DDC file name for later use to apply once the firmware
2117 * downloading is done.
2118 */
2119 snprintf(fwname, sizeof(fwname), "intel/ibt-11-%u.ddc",
2120 le16_to_cpu(params->dev_revid));
2121
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002122 kfree_skb(skb);
2123
2124 if (fw->size < 644) {
2125 BT_ERR("%s: Invalid size of firmware file (%zu)",
2126 hdev->name, fw->size);
2127 err = -EBADF;
2128 goto done;
2129 }
2130
2131 set_bit(BTUSB_DOWNLOADING, &data->flags);
2132
2133 /* Start the firmware download transaction with the Init fragment
2134 * represented by the 128 bytes of CSS header.
2135 */
Marcel Holtmann09df1232015-07-05 14:55:36 +02002136 err = btintel_secure_send(hdev, 0x00, 128, fw->data);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002137 if (err < 0) {
2138 BT_ERR("%s: Failed to send firmware header (%d)",
2139 hdev->name, err);
2140 goto done;
2141 }
2142
2143 /* Send the 256 bytes of public key information from the firmware
2144 * as the PKey fragment.
2145 */
Marcel Holtmann09df1232015-07-05 14:55:36 +02002146 err = btintel_secure_send(hdev, 0x03, 256, fw->data + 128);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002147 if (err < 0) {
2148 BT_ERR("%s: Failed to send firmware public key (%d)",
2149 hdev->name, err);
2150 goto done;
2151 }
2152
2153 /* Send the 256 bytes of signature information from the firmware
2154 * as the Sign fragment.
2155 */
Marcel Holtmann09df1232015-07-05 14:55:36 +02002156 err = btintel_secure_send(hdev, 0x02, 256, fw->data + 388);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002157 if (err < 0) {
2158 BT_ERR("%s: Failed to send firmware signature (%d)",
2159 hdev->name, err);
2160 goto done;
2161 }
2162
2163 fw_ptr = fw->data + 644;
Marcel Holtmanne66890a92015-06-07 09:47:08 +02002164 frag_len = 0;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002165
2166 while (fw_ptr - fw->data < fw->size) {
Marcel Holtmanne66890a92015-06-07 09:47:08 +02002167 struct hci_command_hdr *cmd = (void *)(fw_ptr + frag_len);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002168
Marcel Holtmanne66890a92015-06-07 09:47:08 +02002169 frag_len += sizeof(*cmd) + cmd->plen;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002170
Minjune Kim5075eda2015-08-27 13:21:52 +09002171 /* The parameter length of the secure send command requires
Marcel Holtmanne66890a92015-06-07 09:47:08 +02002172 * a 4 byte alignment. It happens so that the firmware file
2173 * contains proper Intel_NOP commands to align the fragments
2174 * as needed.
2175 *
2176 * Send set of commands with 4 byte alignment from the
2177 * firmware data buffer as a single Data fragement.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002178 */
Marcel Holtmanne66890a92015-06-07 09:47:08 +02002179 if (!(frag_len % 4)) {
Marcel Holtmann09df1232015-07-05 14:55:36 +02002180 err = btintel_secure_send(hdev, 0x01, frag_len, fw_ptr);
Marcel Holtmanne66890a92015-06-07 09:47:08 +02002181 if (err < 0) {
2182 BT_ERR("%s: Failed to send firmware data (%d)",
2183 hdev->name, err);
2184 goto done;
2185 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002186
Marcel Holtmanne66890a92015-06-07 09:47:08 +02002187 fw_ptr += frag_len;
2188 frag_len = 0;
2189 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002190 }
2191
Marcel Holtmannce6bb922015-01-28 01:58:40 -08002192 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2193
Johan Hedberga087a982015-01-30 10:58:54 +02002194 BT_INFO("%s: Waiting for firmware download to complete", hdev->name);
2195
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002196 /* Before switching the device into operational mode and with that
2197 * booting the loaded firmware, wait for the bootloader notification
2198 * that all fragments have been successfully received.
2199 *
Johan Hedberga087a982015-01-30 10:58:54 +02002200 * When the event processing receives the notification, then the
2201 * BTUSB_DOWNLOADING flag will be cleared.
2202 *
2203 * The firmware loading should not take longer than 5 seconds
2204 * and thus just timeout if that happens and fail the setup
2205 * of this device.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002206 */
Johan Hedberg129a7692015-02-14 09:33:35 +02002207 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2208 TASK_INTERRUPTIBLE,
2209 msecs_to_jiffies(5000));
Johan Hedberga087a982015-01-30 10:58:54 +02002210 if (err == 1) {
2211 BT_ERR("%s: Firmware loading interrupted", hdev->name);
2212 err = -EINTR;
2213 goto done;
2214 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002215
Johan Hedberga087a982015-01-30 10:58:54 +02002216 if (err) {
2217 BT_ERR("%s: Firmware loading timeout", hdev->name);
2218 err = -ETIMEDOUT;
2219 goto done;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002220 }
2221
2222 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
2223 BT_ERR("%s: Firmware loading failed", hdev->name);
2224 err = -ENOEXEC;
2225 goto done;
2226 }
2227
2228 rettime = ktime_get();
2229 delta = ktime_sub(rettime, calltime);
2230 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2231
2232 BT_INFO("%s: Firmware loaded in %llu usecs", hdev->name, duration);
2233
2234done:
2235 release_firmware(fw);
2236
2237 if (err < 0)
2238 return err;
2239
2240 calltime = ktime_get();
2241
2242 set_bit(BTUSB_BOOTING, &data->flags);
2243
2244 skb = __hci_cmd_sync(hdev, 0xfc01, sizeof(reset_param), reset_param,
2245 HCI_INIT_TIMEOUT);
2246 if (IS_ERR(skb))
2247 return PTR_ERR(skb);
2248
2249 kfree_skb(skb);
2250
2251 /* The bootloader will not indicate when the device is ready. This
2252 * is done by the operational firmware sending bootup notification.
Johan Hedbergfad70972015-01-30 10:58:55 +02002253 *
2254 * Booting into operational firmware should not take longer than
2255 * 1 second. However if that happens, then just fail the setup
2256 * since something went wrong.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002257 */
Johan Hedbergfad70972015-01-30 10:58:55 +02002258 BT_INFO("%s: Waiting for device to boot", hdev->name);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002259
Johan Hedberg129a7692015-02-14 09:33:35 +02002260 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2261 TASK_INTERRUPTIBLE,
2262 msecs_to_jiffies(1000));
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002263
Johan Hedbergfad70972015-01-30 10:58:55 +02002264 if (err == 1) {
2265 BT_ERR("%s: Device boot interrupted", hdev->name);
2266 return -EINTR;
2267 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002268
Johan Hedbergfad70972015-01-30 10:58:55 +02002269 if (err) {
2270 BT_ERR("%s: Device boot timeout", hdev->name);
2271 return -ETIMEDOUT;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002272 }
2273
2274 rettime = ktime_get();
2275 delta = ktime_sub(rettime, calltime);
2276 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2277
2278 BT_INFO("%s: Device booted in %llu usecs", hdev->name, duration);
2279
2280 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2281
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -07002282 /* Once the device is running in operational mode, it needs to apply
2283 * the device configuration (DDC) parameters.
2284 *
2285 * The device can work without DDC parameters, so even if it fails
2286 * to load the file, no need to fail the setup.
2287 */
Loic Poulaine924d3d2015-09-04 17:54:36 +02002288 btintel_load_ddc_config(hdev, fwname);
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -07002289
Marcel Holtmann213445b2015-10-21 02:45:19 +02002290 /* Set the event mask for Intel specific vendor events. This enables
2291 * a few extra events that are useful during general operation. It
2292 * does not enable any debugging related events.
2293 *
2294 * The device will function correctly without these events enabled
2295 * and thus no need to fail the setup.
2296 */
2297 btintel_set_event_mask(hdev, false);
2298
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002299 return 0;
2300}
2301
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -08002302static int btusb_shutdown_intel(struct hci_dev *hdev)
2303{
2304 struct sk_buff *skb;
2305 long ret;
2306
2307 /* Some platforms have an issue with BT LED when the interface is
2308 * down or BT radio is turned off, which takes 5 seconds to BT LED
2309 * goes off. This command turns off the BT LED immediately.
2310 */
2311 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2312 if (IS_ERR(skb)) {
2313 ret = PTR_ERR(skb);
2314 BT_ERR("%s: turning off Intel device LED failed (%ld)",
2315 hdev->name, ret);
2316 return ret;
2317 }
2318 kfree_skb(skb);
2319
2320 return 0;
2321}
2322
Amitkumar Karwarae8df492014-07-18 14:47:06 -07002323static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
2324 const bdaddr_t *bdaddr)
2325{
2326 struct sk_buff *skb;
2327 u8 buf[8];
2328 long ret;
2329
2330 buf[0] = 0xfe;
2331 buf[1] = sizeof(bdaddr_t);
2332 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
2333
2334 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2335 if (IS_ERR(skb)) {
2336 ret = PTR_ERR(skb);
2337 BT_ERR("%s: changing Marvell device address failed (%ld)",
2338 hdev->name, ret);
2339 return ret;
2340 }
2341 kfree_skb(skb);
2342
2343 return 0;
2344}
2345
Toshi Kikuchi58592232014-12-12 10:58:05 -08002346static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
2347 const bdaddr_t *bdaddr)
2348{
2349 struct sk_buff *skb;
2350 u8 buf[10];
2351 long ret;
2352
2353 buf[0] = 0x01;
2354 buf[1] = 0x01;
2355 buf[2] = 0x00;
2356 buf[3] = sizeof(bdaddr_t);
2357 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
2358
2359 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
2360 if (IS_ERR(skb)) {
2361 ret = PTR_ERR(skb);
2362 BT_ERR("%s: Change address command failed (%ld)",
2363 hdev->name, ret);
2364 return ret;
2365 }
2366 kfree_skb(skb);
2367
2368 return 0;
2369}
2370
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002371#define QCA_DFU_PACKET_LEN 4096
2372
2373#define QCA_GET_TARGET_VERSION 0x09
2374#define QCA_CHECK_STATUS 0x05
2375#define QCA_DFU_DOWNLOAD 0x01
2376
2377#define QCA_SYSCFG_UPDATED 0x40
2378#define QCA_PATCH_UPDATED 0x80
2379#define QCA_DFU_TIMEOUT 3000
2380
2381struct qca_version {
2382 __le32 rom_version;
2383 __le32 patch_version;
2384 __le32 ram_version;
2385 __le32 ref_clock;
2386 __u8 reserved[4];
2387} __packed;
2388
2389struct qca_rampatch_version {
2390 __le16 rom_version;
2391 __le16 patch_version;
2392} __packed;
2393
2394struct qca_device_info {
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +00002395 u32 rom_version;
2396 u8 rampatch_hdr; /* length of header in rampatch */
2397 u8 nvm_hdr; /* length of header in NVM */
2398 u8 ver_offset; /* offset of version structure in rampatch */
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002399};
2400
2401static const struct qca_device_info qca_devices_table[] = {
2402 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
2403 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
Chan-yeol Park7f6e6362015-05-21 11:24:27 +09002404 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002405 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
2406 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
2407 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
2408};
2409
2410static int btusb_qca_send_vendor_req(struct hci_dev *hdev, u8 request,
2411 void *data, u16 size)
2412{
2413 struct btusb_data *btdata = hci_get_drvdata(hdev);
2414 struct usb_device *udev = btdata->udev;
2415 int pipe, err;
2416 u8 *buf;
2417
2418 buf = kmalloc(size, GFP_KERNEL);
2419 if (!buf)
2420 return -ENOMEM;
2421
2422 /* Found some of USB hosts have IOT issues with ours so that we should
2423 * not wait until HCI layer is ready.
2424 */
2425 pipe = usb_rcvctrlpipe(udev, 0);
2426 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
2427 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2428 if (err < 0) {
2429 BT_ERR("%s: Failed to access otp area (%d)", hdev->name, err);
2430 goto done;
2431 }
2432
2433 memcpy(data, buf, size);
2434
2435done:
2436 kfree(buf);
2437
2438 return err;
2439}
2440
2441static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
2442 const struct firmware *firmware,
2443 size_t hdr_size)
2444{
2445 struct btusb_data *btdata = hci_get_drvdata(hdev);
2446 struct usb_device *udev = btdata->udev;
2447 size_t count, size, sent = 0;
2448 int pipe, len, err;
2449 u8 *buf;
2450
2451 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
2452 if (!buf)
2453 return -ENOMEM;
2454
2455 count = firmware->size;
2456
2457 size = min_t(size_t, count, hdr_size);
2458 memcpy(buf, firmware->data, size);
2459
2460 /* USB patches should go down to controller through USB path
2461 * because binary format fits to go down through USB channel.
2462 * USB control path is for patching headers and USB bulk is for
2463 * patch body.
2464 */
2465 pipe = usb_sndctrlpipe(udev, 0);
2466 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
2467 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
2468 if (err < 0) {
2469 BT_ERR("%s: Failed to send headers (%d)", hdev->name, err);
2470 goto done;
2471 }
2472
2473 sent += size;
2474 count -= size;
2475
2476 while (count) {
2477 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
2478
2479 memcpy(buf, firmware->data + sent, size);
2480
2481 pipe = usb_sndbulkpipe(udev, 0x02);
2482 err = usb_bulk_msg(udev, pipe, buf, size, &len,
2483 QCA_DFU_TIMEOUT);
2484 if (err < 0) {
2485 BT_ERR("%s: Failed to send body at %zd of %zd (%d)",
2486 hdev->name, sent, firmware->size, err);
2487 break;
2488 }
2489
2490 if (size != len) {
2491 BT_ERR("%s: Failed to get bulk buffer", hdev->name);
2492 err = -EILSEQ;
2493 break;
2494 }
2495
2496 sent += size;
2497 count -= size;
2498 }
2499
2500done:
2501 kfree(buf);
2502 return err;
2503}
2504
2505static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
2506 struct qca_version *ver,
2507 const struct qca_device_info *info)
2508{
2509 struct qca_rampatch_version *rver;
2510 const struct firmware *fw;
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +00002511 u32 ver_rom, ver_patch;
2512 u16 rver_rom, rver_patch;
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002513 char fwname[64];
2514 int err;
2515
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +00002516 ver_rom = le32_to_cpu(ver->rom_version);
2517 ver_patch = le32_to_cpu(ver->patch_version);
2518
2519 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002520
2521 err = request_firmware(&fw, fwname, &hdev->dev);
2522 if (err) {
2523 BT_ERR("%s: failed to request rampatch file: %s (%d)",
2524 hdev->name, fwname, err);
2525 return err;
2526 }
2527
2528 BT_INFO("%s: using rampatch file: %s", hdev->name, fwname);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002529
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +00002530 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
2531 rver_rom = le16_to_cpu(rver->rom_version);
2532 rver_patch = le16_to_cpu(rver->patch_version);
2533
2534 BT_INFO("%s: QCA: patch rome 0x%x build 0x%x, firmware rome 0x%x "
2535 "build 0x%x", hdev->name, rver_rom, rver_patch, ver_rom,
2536 ver_patch);
2537
2538 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002539 BT_ERR("%s: rampatch file version did not match with firmware",
2540 hdev->name);
2541 err = -EINVAL;
2542 goto done;
2543 }
2544
2545 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
2546
2547done:
2548 release_firmware(fw);
2549
2550 return err;
2551}
2552
2553static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
2554 struct qca_version *ver,
2555 const struct qca_device_info *info)
2556{
2557 const struct firmware *fw;
2558 char fwname[64];
2559 int err;
2560
2561 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
2562 le32_to_cpu(ver->rom_version));
2563
2564 err = request_firmware(&fw, fwname, &hdev->dev);
2565 if (err) {
2566 BT_ERR("%s: failed to request NVM file: %s (%d)",
2567 hdev->name, fwname, err);
2568 return err;
2569 }
2570
2571 BT_INFO("%s: using NVM file: %s", hdev->name, fwname);
2572
2573 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
2574
2575 release_firmware(fw);
2576
2577 return err;
2578}
2579
2580static int btusb_setup_qca(struct hci_dev *hdev)
2581{
2582 const struct qca_device_info *info = NULL;
2583 struct qca_version ver;
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +00002584 u32 ver_rom;
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002585 u8 status;
2586 int i, err;
2587
2588 err = btusb_qca_send_vendor_req(hdev, QCA_GET_TARGET_VERSION, &ver,
Marcel Holtmanneb500422015-04-16 23:15:50 +02002589 sizeof(ver));
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002590 if (err < 0)
2591 return err;
2592
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +00002593 ver_rom = le32_to_cpu(ver.rom_version);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002594 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +00002595 if (ver_rom == qca_devices_table[i].rom_version)
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002596 info = &qca_devices_table[i];
2597 }
2598 if (!info) {
2599 BT_ERR("%s: don't support firmware rome 0x%x", hdev->name,
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +00002600 ver_rom);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002601 return -ENODEV;
2602 }
2603
2604 err = btusb_qca_send_vendor_req(hdev, QCA_CHECK_STATUS, &status,
2605 sizeof(status));
2606 if (err < 0)
2607 return err;
2608
2609 if (!(status & QCA_PATCH_UPDATED)) {
2610 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
2611 if (err < 0)
2612 return err;
2613 }
2614
2615 if (!(status & QCA_SYSCFG_UPDATED)) {
2616 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
2617 if (err < 0)
2618 return err;
2619 }
2620
2621 return 0;
2622}
2623
Marcel Holtmann9d08f502015-10-08 20:23:08 +02002624#ifdef CONFIG_BT_HCIBTUSB_BCM
2625static inline int __set_diag_interface(struct hci_dev *hdev)
2626{
2627 struct btusb_data *data = hci_get_drvdata(hdev);
2628 struct usb_interface *intf = data->diag;
2629 int i;
2630
2631 if (!data->diag)
2632 return -ENODEV;
2633
2634 data->diag_tx_ep = NULL;
2635 data->diag_rx_ep = NULL;
2636
2637 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2638 struct usb_endpoint_descriptor *ep_desc;
2639
2640 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2641
2642 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2643 data->diag_tx_ep = ep_desc;
2644 continue;
2645 }
2646
2647 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2648 data->diag_rx_ep = ep_desc;
2649 continue;
2650 }
2651 }
2652
2653 if (!data->diag_tx_ep || !data->diag_rx_ep) {
2654 BT_ERR("%s invalid diagnostic descriptors", hdev->name);
2655 return -ENODEV;
2656 }
2657
2658 return 0;
2659}
2660
2661static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
2662{
2663 struct btusb_data *data = hci_get_drvdata(hdev);
2664 struct sk_buff *skb;
2665 struct urb *urb;
2666 unsigned int pipe;
2667
2668 if (!data->diag_tx_ep)
2669 return ERR_PTR(-ENODEV);
2670
2671 urb = usb_alloc_urb(0, GFP_KERNEL);
2672 if (!urb)
2673 return ERR_PTR(-ENOMEM);
2674
2675 skb = bt_skb_alloc(2, GFP_KERNEL);
2676 if (!skb) {
2677 usb_free_urb(urb);
2678 return ERR_PTR(-ENOMEM);
2679 }
2680
2681 *skb_put(skb, 1) = 0xf0;
2682 *skb_put(skb, 1) = enable;
2683
2684 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
2685
2686 usb_fill_bulk_urb(urb, data->udev, pipe,
2687 skb->data, skb->len, btusb_tx_complete, skb);
2688
2689 skb->dev = (void *)hdev;
2690
2691 return urb;
2692}
2693
2694static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
2695{
2696 struct btusb_data *data = hci_get_drvdata(hdev);
2697 struct urb *urb;
2698
2699 if (!data->diag)
2700 return -ENODEV;
2701
2702 if (!test_bit(HCI_RUNNING, &hdev->flags))
2703 return -ENETDOWN;
2704
2705 urb = alloc_diag_urb(hdev, enable);
2706 if (IS_ERR(urb))
2707 return PTR_ERR(urb);
2708
2709 return submit_or_queue_tx_urb(hdev, urb);
2710}
2711#endif
2712
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002713static int btusb_probe(struct usb_interface *intf,
Marcel Holtmann89e75332014-09-16 04:44:50 +02002714 const struct usb_device_id *id)
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002715{
2716 struct usb_endpoint_descriptor *ep_desc;
2717 struct btusb_data *data;
2718 struct hci_dev *hdev;
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +02002719 unsigned ifnum_base;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002720 int i, err;
2721
2722 BT_DBG("intf %p id %p", intf, id);
2723
Marcel Holtmanncfeb4142008-08-07 22:26:56 +02002724 /* interface numbers are hardcoded in the spec */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +02002725 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
2726 if (!(id->driver_info & BTUSB_IFNUM_2))
2727 return -ENODEV;
2728 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
2729 return -ENODEV;
2730 }
2731
2732 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002733
2734 if (!id->driver_info) {
2735 const struct usb_device_id *match;
Marcel Holtmann89e75332014-09-16 04:44:50 +02002736
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002737 match = usb_match_id(intf, blacklist_table);
2738 if (match)
2739 id = match;
2740 }
2741
Marcel Holtmanncfeb4142008-08-07 22:26:56 +02002742 if (id->driver_info == BTUSB_IGNORE)
2743 return -ENODEV;
2744
Steven.Li2d25f8b2011-07-01 14:02:36 +08002745 if (id->driver_info & BTUSB_ATH3012) {
2746 struct usb_device *udev = interface_to_usbdev(intf);
2747
2748 /* Old firmware would otherwise let ath3k driver load
2749 * patch and sysconfig files */
2750 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001)
2751 return -ENODEV;
2752 }
2753
Sachin Kamat98921db2012-07-27 12:38:39 +05302754 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002755 if (!data)
2756 return -ENOMEM;
2757
2758 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
2759 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
2760
2761 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
2762 data->intr_ep = ep_desc;
2763 continue;
2764 }
2765
2766 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
2767 data->bulk_tx_ep = ep_desc;
2768 continue;
2769 }
2770
2771 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
2772 data->bulk_rx_ep = ep_desc;
2773 continue;
2774 }
2775 }
2776
Sachin Kamat98921db2012-07-27 12:38:39 +05302777 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002778 return -ENODEV;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002779
Marcel Holtmann893ba542015-01-28 20:27:34 -08002780 if (id->driver_info & BTUSB_AMP) {
2781 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
2782 data->cmdreq = 0x2b;
2783 } else {
2784 data->cmdreq_type = USB_TYPE_CLASS;
2785 data->cmdreq = 0x00;
2786 }
Marcel Holtmann7a9d4022008-11-30 12:17:26 +01002787
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002788 data->udev = interface_to_usbdev(intf);
Marcel Holtmann5fbcd262008-09-23 00:16:36 +02002789 data->intf = intf;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002790
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002791 INIT_WORK(&data->work, btusb_work);
Oliver Neukum7bee5492009-08-24 23:44:59 +02002792 INIT_WORK(&data->waker, btusb_waker);
Marcel Holtmann803b5832014-09-16 08:00:29 +02002793 init_usb_anchor(&data->deferred);
2794 init_usb_anchor(&data->tx_anchor);
Oliver Neukum7bee5492009-08-24 23:44:59 +02002795 spin_lock_init(&data->txlock);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002796
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002797 init_usb_anchor(&data->intr_anchor);
2798 init_usb_anchor(&data->bulk_anchor);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02002799 init_usb_anchor(&data->isoc_anchor);
Marcel Holtmann9d08f502015-10-08 20:23:08 +02002800 init_usb_anchor(&data->diag_anchor);
Marcel Holtmann803b5832014-09-16 08:00:29 +02002801 spin_lock_init(&data->rxlock);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002802
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002803 if (id->driver_info & BTUSB_INTEL_NEW) {
2804 data->recv_event = btusb_recv_event_intel;
2805 data->recv_bulk = btusb_recv_bulk_intel;
2806 set_bit(BTUSB_BOOTLOADER, &data->flags);
2807 } else {
2808 data->recv_event = hci_recv_frame;
2809 data->recv_bulk = btusb_recv_bulk;
2810 }
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +01002811
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002812 hdev = hci_alloc_dev();
Sachin Kamat98921db2012-07-27 12:38:39 +05302813 if (!hdev)
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002814 return -ENOMEM;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002815
Marcel Holtmannc13854c2010-02-08 15:27:07 +01002816 hdev->bus = HCI_USB;
David Herrmann155961e2012-02-09 21:58:32 +01002817 hci_set_drvdata(hdev, data);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002818
Marcel Holtmann893ba542015-01-28 20:27:34 -08002819 if (id->driver_info & BTUSB_AMP)
2820 hdev->dev_type = HCI_AMP;
2821 else
2822 hdev->dev_type = HCI_BREDR;
2823
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002824 data->hdev = hdev;
2825
2826 SET_HCIDEV_DEV(hdev, &intf->dev);
2827
Marcel Holtmann9f8f9622013-04-10 08:11:35 -07002828 hdev->open = btusb_open;
2829 hdev->close = btusb_close;
2830 hdev->flush = btusb_flush;
2831 hdev->send = btusb_send_frame;
2832 hdev->notify = btusb_notify;
2833
Marcel Holtmann6c9d4352015-10-17 14:39:27 +02002834 if (id->driver_info & BTUSB_BCM2045)
2835 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
2836
Marcel Holtmann9f8f9622013-04-10 08:11:35 -07002837 if (id->driver_info & BTUSB_BCM92035)
2838 hdev->setup = btusb_setup_bcm92035;
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002839
Marcel Holtmannc2bfb102015-04-05 22:52:14 -07002840#ifdef CONFIG_BT_HCIBTUSB_BCM
Marcel Holtmannabbaf502014-07-02 00:53:48 +02002841 if (id->driver_info & BTUSB_BCM_PATCHRAM) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +02002842 hdev->manufacturer = 15;
Marcel Holtmannc2bfb102015-04-05 22:52:14 -07002843 hdev->setup = btbcm_setup_patchram;
Marcel Holtmann9d08f502015-10-08 20:23:08 +02002844 hdev->set_diag = btusb_bcm_set_diag;
Marcel Holtmann1df1f592015-04-05 22:52:11 -07002845 hdev->set_bdaddr = btbcm_set_bdaddr;
Marcel Holtmann9d08f502015-10-08 20:23:08 +02002846
2847 /* Broadcom LM_DIAG Interface numbers are hardcoded */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +02002848 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
Marcel Holtmannabbaf502014-07-02 00:53:48 +02002849 }
Petri Gynther10d4c672014-05-08 15:50:01 -07002850
Marcel Holtmann9d08f502015-10-08 20:23:08 +02002851 if (id->driver_info & BTUSB_BCM_APPLE) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +02002852 hdev->manufacturer = 15;
Marcel Holtmannc2bfb102015-04-05 22:52:14 -07002853 hdev->setup = btbcm_setup_apple;
Marcel Holtmann9d08f502015-10-08 20:23:08 +02002854 hdev->set_diag = btusb_bcm_set_diag;
2855
2856 /* Broadcom LM_DIAG Interface numbers are hardcoded */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +02002857 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
Marcel Holtmann9d08f502015-10-08 20:23:08 +02002858 }
Marcel Holtmannc2bfb102015-04-05 22:52:14 -07002859#endif
Marcel Holtmann17b27722015-03-22 15:52:38 +01002860
Marcel Holtmanncb8d6592014-07-02 11:25:25 +02002861 if (id->driver_info & BTUSB_INTEL) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +02002862 hdev->manufacturer = 2;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07002863 hdev->setup = btusb_setup_intel;
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -08002864 hdev->shutdown = btusb_shutdown_intel;
Marcel Holtmann3e247672015-10-17 16:00:28 +02002865 hdev->set_diag = btintel_set_diag_mfg;
Marcel Holtmann4185a0f2015-04-06 00:52:12 -07002866 hdev->set_bdaddr = btintel_set_bdaddr;
Jakub Pawlowskic33fb9b2015-01-30 18:55:58 -08002867 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
Jakub Pawlowskic1154842015-03-17 09:04:16 -07002868 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Marcel Holtmann3e247672015-10-17 16:00:28 +02002869 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
Marcel Holtmanncb8d6592014-07-02 11:25:25 +02002870 }
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -07002871
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002872 if (id->driver_info & BTUSB_INTEL_NEW) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +02002873 hdev->manufacturer = 2;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002874 hdev->send = btusb_send_frame_intel;
2875 hdev->setup = btusb_setup_intel_new;
Marcel Holtmanneeb6abe2015-07-05 14:37:39 +02002876 hdev->hw_error = btintel_hw_error;
Marcel Holtmann6d2e50d2015-10-09 14:42:08 +02002877 hdev->set_diag = btintel_set_diag;
Marcel Holtmann4185a0f2015-04-06 00:52:12 -07002878 hdev->set_bdaddr = btintel_set_bdaddr;
Marcel Holtmannb970c5b2015-02-01 23:57:18 -08002879 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
Marcel Holtmannd8270fb2015-10-17 16:00:27 +02002880 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -08002881 }
2882
Amitkumar Karwarae8df492014-07-18 14:47:06 -07002883 if (id->driver_info & BTUSB_MARVELL)
2884 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
2885
Marcel Holtmann661cf882015-01-02 23:35:20 -08002886 if (id->driver_info & BTUSB_SWAVE) {
2887 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
Marcel Holtmannd57dbe72014-12-26 04:42:33 +01002888 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
Marcel Holtmann661cf882015-01-02 23:35:20 -08002889 }
Marcel Holtmannd57dbe72014-12-26 04:42:33 +01002890
Marcel Holtmanne4c534b2015-10-21 01:31:45 +02002891 if (id->driver_info & BTUSB_INTEL_BOOT) {
2892 hdev->manufacturer = 2;
Marcel Holtmann40df7832014-07-06 13:29:58 +02002893 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
Marcel Holtmanne4c534b2015-10-21 01:31:45 +02002894 }
Marcel Holtmann40df7832014-07-06 13:29:58 +02002895
Jakub Pawlowski79f0c872015-01-29 10:38:34 -08002896 if (id->driver_info & BTUSB_ATH3012) {
Toshi Kikuchi58592232014-12-12 10:58:05 -08002897 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
Jakub Pawlowski3d50d512015-03-17 09:04:15 -07002898 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Jakub Pawlowski79f0c872015-01-29 10:38:34 -08002899 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
2900 }
Toshi Kikuchi58592232014-12-12 10:58:05 -08002901
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +00002902 if (id->driver_info & BTUSB_QCA_ROME) {
2903 data->setup_on_usb = btusb_setup_qca;
2904 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
2905 }
2906
Carlo Caionedb33c772015-05-14 10:49:09 +02002907#ifdef CONFIG_BT_HCIBTUSB_RTL
Daniel Drake04b8c812015-05-21 08:23:50 -06002908 if (id->driver_info & BTUSB_REALTEK) {
Carlo Caionedb33c772015-05-14 10:49:09 +02002909 hdev->setup = btrtl_setup_realtek;
Daniel Drake04b8c812015-05-21 08:23:50 -06002910
2911 /* Realtek devices lose their updated firmware over suspend,
2912 * but the USB hub doesn't notice any status change.
2913 * Explicitly request a device reset on resume.
2914 */
2915 set_bit(BTUSB_RESET_RESUME, &data->flags);
2916 }
Carlo Caionedb33c772015-05-14 10:49:09 +02002917#endif
Daniel Drakea2698a92015-04-16 14:09:55 -06002918
Marcel Holtmann893ba542015-01-28 20:27:34 -08002919 if (id->driver_info & BTUSB_AMP) {
2920 /* AMP controllers do not support SCO packets */
2921 data->isoc = NULL;
2922 } else {
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +02002923 /* Interface orders are hardcoded in the specification */
2924 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
Marcel Holtmann893ba542015-01-28 20:27:34 -08002925 }
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02002926
Marcel Holtmann7a9d4022008-11-30 12:17:26 +01002927 if (!reset)
Szymon Janca6c511c2012-05-23 12:35:46 +02002928 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmanncfeb4142008-08-07 22:26:56 +02002929
2930 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
2931 if (!disable_scofix)
2932 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
2933 }
2934
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02002935 if (id->driver_info & BTUSB_BROKEN_ISOC)
2936 data->isoc = NULL;
2937
Marcel Holtmann7a9d4022008-11-30 12:17:26 +01002938 if (id->driver_info & BTUSB_DIGIANSWER) {
2939 data->cmdreq_type = USB_TYPE_VENDOR;
Szymon Janca6c511c2012-05-23 12:35:46 +02002940 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +01002941 }
2942
2943 if (id->driver_info & BTUSB_CSR) {
2944 struct usb_device *udev = data->udev;
Marcel Holtmann81cac642014-01-03 03:02:36 -08002945 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +01002946
2947 /* Old firmware would otherwise execute USB reset */
Marcel Holtmann81cac642014-01-03 03:02:36 -08002948 if (bcdDevice < 0x117)
Szymon Janca6c511c2012-05-23 12:35:46 +02002949 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -08002950
2951 /* Fake CSR devices with broken commands */
Johan Hedberg6cafcd92015-08-30 21:47:21 +03002952 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
Marcel Holtmann81cac642014-01-03 03:02:36 -08002953 hdev->setup = btusb_setup_csr;
Jakub Pawlowski49c989a2015-03-17 09:04:17 -07002954
2955 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +01002956 }
2957
Marcel Holtmanncfeb4142008-08-07 22:26:56 +02002958 if (id->driver_info & BTUSB_SNIFFER) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02002959 struct usb_device *udev = data->udev;
Marcel Holtmanncfeb4142008-08-07 22:26:56 +02002960
Marcel Holtmann7a9d4022008-11-30 12:17:26 +01002961 /* New sniffer firmware has crippled HCI interface */
Marcel Holtmanncfeb4142008-08-07 22:26:56 +02002962 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
2963 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
2964 }
2965
Marcel Holtmann3a5ef202014-07-06 14:53:54 +02002966 if (id->driver_info & BTUSB_INTEL_BOOT) {
2967 /* A bug in the bootloader causes that interrupt interface is
2968 * only enabled after receiving SetInterface(0, AltSetting=0).
2969 */
2970 err = usb_set_interface(data->udev, 0, 0);
2971 if (err < 0) {
2972 BT_ERR("failed to set interface 0, alt 0 %d", err);
2973 hci_free_dev(hdev);
2974 return err;
2975 }
2976 }
2977
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02002978 if (data->isoc) {
2979 err = usb_driver_claim_interface(&btusb_driver,
Marcel Holtmann89e75332014-09-16 04:44:50 +02002980 data->isoc, data);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02002981 if (err < 0) {
2982 hci_free_dev(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +02002983 return err;
2984 }
2985 }
2986
Marcel Holtmann9d08f502015-10-08 20:23:08 +02002987#ifdef CONFIG_BT_HCIBTUSB_BCM
2988 if (data->diag) {
2989 if (!usb_driver_claim_interface(&btusb_driver,
2990 data->diag, data))
2991 __set_diag_interface(hdev);
2992 else
2993 data->diag = NULL;
2994 }
2995#endif
2996
Marcel Holtmann5e23b922007-10-20 14:12:34 +02002997 err = hci_register_dev(hdev);
2998 if (err < 0) {
2999 hci_free_dev(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02003000 return err;
3001 }
3002
3003 usb_set_intfdata(intf, data);
3004
3005 return 0;
3006}
3007
3008static void btusb_disconnect(struct usb_interface *intf)
3009{
3010 struct btusb_data *data = usb_get_intfdata(intf);
3011 struct hci_dev *hdev;
3012
3013 BT_DBG("intf %p", intf);
3014
3015 if (!data)
3016 return;
3017
3018 hdev = data->hdev;
Marcel Holtmann5fbcd262008-09-23 00:16:36 +02003019 usb_set_intfdata(data->intf, NULL);
3020
3021 if (data->isoc)
3022 usb_set_intfdata(data->isoc, NULL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02003023
Marcel Holtmann9d08f502015-10-08 20:23:08 +02003024 if (data->diag)
3025 usb_set_intfdata(data->diag, NULL);
3026
Marcel Holtmann5e23b922007-10-20 14:12:34 +02003027 hci_unregister_dev(hdev);
3028
Marcel Holtmann9d08f502015-10-08 20:23:08 +02003029 if (intf == data->intf) {
3030 if (data->isoc)
3031 usb_driver_release_interface(&btusb_driver, data->isoc);
3032 if (data->diag)
3033 usb_driver_release_interface(&btusb_driver, data->diag);
3034 } else if (intf == data->isoc) {
3035 if (data->diag)
3036 usb_driver_release_interface(&btusb_driver, data->diag);
Marcel Holtmann5fbcd262008-09-23 00:16:36 +02003037 usb_driver_release_interface(&btusb_driver, data->intf);
Marcel Holtmann9d08f502015-10-08 20:23:08 +02003038 } else if (intf == data->diag) {
3039 usb_driver_release_interface(&btusb_driver, data->intf);
3040 if (data->isoc)
3041 usb_driver_release_interface(&btusb_driver, data->isoc);
3042 }
Marcel Holtmann5fbcd262008-09-23 00:16:36 +02003043
Marcel Holtmann5e23b922007-10-20 14:12:34 +02003044 hci_free_dev(hdev);
3045}
3046
Oliver Neukum7bee5492009-08-24 23:44:59 +02003047#ifdef CONFIG_PM
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003048static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
3049{
3050 struct btusb_data *data = usb_get_intfdata(intf);
3051
3052 BT_DBG("intf %p", intf);
3053
3054 if (data->suspend_count++)
3055 return 0;
3056
Oliver Neukum7bee5492009-08-24 23:44:59 +02003057 spin_lock_irq(&data->txlock);
Alan Stern5b1b0b82011-08-19 23:49:48 +02003058 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
Oliver Neukum7bee5492009-08-24 23:44:59 +02003059 set_bit(BTUSB_SUSPENDING, &data->flags);
3060 spin_unlock_irq(&data->txlock);
3061 } else {
3062 spin_unlock_irq(&data->txlock);
3063 data->suspend_count--;
3064 return -EBUSY;
3065 }
3066
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003067 cancel_work_sync(&data->work);
3068
Oliver Neukum7bee5492009-08-24 23:44:59 +02003069 btusb_stop_traffic(data);
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003070 usb_kill_anchored_urbs(&data->tx_anchor);
3071
Daniel Drake04b8c812015-05-21 08:23:50 -06003072 /* Optionally request a device reset on resume, but only when
3073 * wakeups are disabled. If wakeups are enabled we assume the
3074 * device will stay powered up throughout suspend.
3075 */
3076 if (test_bit(BTUSB_RESET_RESUME, &data->flags) &&
3077 !device_may_wakeup(&data->udev->dev))
3078 data->udev->reset_resume = 1;
3079
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003080 return 0;
3081}
3082
Oliver Neukum7bee5492009-08-24 23:44:59 +02003083static void play_deferred(struct btusb_data *data)
3084{
3085 struct urb *urb;
3086 int err;
3087
3088 while ((urb = usb_get_from_anchor(&data->deferred))) {
3089 err = usb_submit_urb(urb, GFP_ATOMIC);
3090 if (err < 0)
3091 break;
3092
3093 data->tx_in_flight++;
3094 }
3095 usb_scuttle_anchored_urbs(&data->deferred);
3096}
3097
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003098static int btusb_resume(struct usb_interface *intf)
3099{
3100 struct btusb_data *data = usb_get_intfdata(intf);
3101 struct hci_dev *hdev = data->hdev;
Oliver Neukum7bee5492009-08-24 23:44:59 +02003102 int err = 0;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003103
3104 BT_DBG("intf %p", intf);
3105
3106 if (--data->suspend_count)
3107 return 0;
3108
3109 if (!test_bit(HCI_RUNNING, &hdev->flags))
Oliver Neukum7bee5492009-08-24 23:44:59 +02003110 goto done;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003111
3112 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
3113 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
3114 if (err < 0) {
3115 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +02003116 goto failed;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003117 }
3118 }
3119
3120 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
Marcel Holtmann43c2e572009-02-04 17:41:38 +01003121 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
3122 if (err < 0) {
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003123 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +02003124 goto failed;
3125 }
3126
3127 btusb_submit_bulk_urb(hdev, GFP_NOIO);
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003128 }
3129
3130 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
3131 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
3132 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
3133 else
3134 btusb_submit_isoc_urb(hdev, GFP_NOIO);
3135 }
3136
Oliver Neukum7bee5492009-08-24 23:44:59 +02003137 spin_lock_irq(&data->txlock);
3138 play_deferred(data);
3139 clear_bit(BTUSB_SUSPENDING, &data->flags);
3140 spin_unlock_irq(&data->txlock);
3141 schedule_work(&data->work);
3142
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003143 return 0;
Oliver Neukum7bee5492009-08-24 23:44:59 +02003144
3145failed:
3146 usb_scuttle_anchored_urbs(&data->deferred);
3147done:
3148 spin_lock_irq(&data->txlock);
3149 clear_bit(BTUSB_SUSPENDING, &data->flags);
3150 spin_unlock_irq(&data->txlock);
3151
3152 return err;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003153}
Oliver Neukum7bee5492009-08-24 23:44:59 +02003154#endif
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003155
Marcel Holtmann5e23b922007-10-20 14:12:34 +02003156static struct usb_driver btusb_driver = {
3157 .name = "btusb",
3158 .probe = btusb_probe,
3159 .disconnect = btusb_disconnect,
Oliver Neukum7bee5492009-08-24 23:44:59 +02003160#ifdef CONFIG_PM
Marcel Holtmann6a88adf2008-11-30 12:17:14 +01003161 .suspend = btusb_suspend,
3162 .resume = btusb_resume,
Oliver Neukum7bee5492009-08-24 23:44:59 +02003163#endif
Marcel Holtmann5e23b922007-10-20 14:12:34 +02003164 .id_table = btusb_table,
Oliver Neukum7bee5492009-08-24 23:44:59 +02003165 .supports_autosuspend = 1,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -07003166 .disable_hub_initiated_lpm = 1,
Marcel Holtmann5e23b922007-10-20 14:12:34 +02003167};
3168
Greg Kroah-Hartman93f15082011-11-18 09:47:34 -08003169module_usb_driver(btusb_driver);
Marcel Holtmann5e23b922007-10-20 14:12:34 +02003170
Marcel Holtmanncfeb4142008-08-07 22:26:56 +02003171module_param(disable_scofix, bool, 0644);
3172MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
3173
3174module_param(force_scofix, bool, 0644);
3175MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
3176
3177module_param(reset, bool, 0644);
3178MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
3179
Marcel Holtmann5e23b922007-10-20 14:12:34 +02003180MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
3181MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
3182MODULE_VERSION(VERSION);
3183MODULE_LICENSE("GPL");