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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / 4364f2e91f0d44fa0e233d2a55e3ec35053d9bd9 / . / drivers / bluetooth / btusb.c
blob: 9a0ac333c88651b8cfc1a31d99947d34cc679412 [file] [log] [blame]
Thomas Gleixner1a59d1b82019-05-27 08:55:05 +0200[diff] [blame]1// SPDX-License-Identifier: GPL-2.0-or-later
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]2/*
3 *
4 * Generic Bluetooth USB driver
5 *
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]6 * Copyright (C) 2005-2008 Marcel Holtmann <marcel@holtmann.org>
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]7 */
8
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]9#include <linux/dmi.h>
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]10#include <linux/module.h>
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]11#include <linux/usb.h>
Hans de Goede61f5ace2018-01-08 10:44:16 +0100[diff] [blame]12#include <linux/usb/quirks.h>
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]13#include <linux/firmware.h>
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]14#include <linux/iopoll.h>
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]15#include <linux/of_device.h>
16#include <linux/of_irq.h>
Jeffy Chen017789f2017-02-24 14:24:29 +0800[diff] [blame]17#include <linux/suspend.h>
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]18#include <linux/gpio/consumer.h>
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]19#include <asm/unaligned.h>
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]20
21#include <net/bluetooth/bluetooth.h>
22#include <net/bluetooth/hci_core.h>
23
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]24#include "btintel.h"
Marcel Holtmann1df1f592015-04-05 22:52:11 -0700[diff] [blame]25#include "btbcm.h"
Carlo Caionedb33c772015-05-14 10:49:09 +0200[diff] [blame]26#include "btrtl.h"
Marcel Holtmann1df1f592015-04-05 22:52:11 -0700[diff] [blame]27
Marcel Holtmann34dced9b2015-04-05 22:52:16 -0700[diff] [blame]28#define VERSION "0.8"
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]29
Rusty Russell90ab5ee2012-01-13 09:32:20 +1030[diff] [blame]30static bool disable_scofix;
31static bool force_scofix;
Hans de Goedeeff2d682017-11-13 14:44:16 +0100[diff] [blame]32static bool enable_autosuspend = IS_ENABLED(CONFIG_BT_HCIBTUSB_AUTOSUSPEND);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]33
Shailendra Verma917a3332015-05-25 23:53:40 +0530[diff] [blame]34static bool reset = true;
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]35
36static struct usb_driver btusb_driver;
37
38#define BTUSB_IGNORE 0x01
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]39#define BTUSB_DIGIANSWER 0x02
40#define BTUSB_CSR 0x04
41#define BTUSB_SNIFFER 0x08
42#define BTUSB_BCM92035 0x10
43#define BTUSB_BROKEN_ISOC 0x20
44#define BTUSB_WRONG_SCO_MTU 0x40
Steven.Li2d25f8b2011-07-01 14:02:36 +0800[diff] [blame]45#define BTUSB_ATH3012 0x80
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]46#define BTUSB_INTEL 0x100
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]47#define BTUSB_INTEL_BOOT 0x200
48#define BTUSB_BCM_PATCHRAM 0x400
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]49#define BTUSB_MARVELL 0x800
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800[diff] [blame]50#define BTUSB_SWAVE 0x1000
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]51#define BTUSB_INTEL_NEW 0x2000
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]52#define BTUSB_AMP 0x4000
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]53#define BTUSB_QCA_ROME 0x8000
Marcel Holtmann17b27722015-03-22 15:52:38 +0100[diff] [blame]54#define BTUSB_BCM_APPLE 0x10000
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]55#define BTUSB_REALTEK 0x20000
Marcel Holtmann6c9d4352015-10-17 14:39:27 +0200[diff] [blame]56#define BTUSB_BCM2045 0x40000
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]57#define BTUSB_IFNUM_2 0x80000
Szymon Janc418678b2016-09-01 17:22:37 +0200[diff] [blame]58#define BTUSB_CW6622 0x100000
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]59#define BTUSB_MEDIATEK 0x200000
Alain Michaud3e4e3f72020-02-27 18:29:37 +0000[diff] [blame]60#define BTUSB_WIDEBAND_SPEECH 0x400000
Alain Michaud220915852020-04-23 14:43:27 +0000[diff] [blame]61#define BTUSB_VALID_LE_STATES 0x800000
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]62
Marcel Holtmann54265202013-10-11 07:46:18 -0700[diff] [blame]63static const struct usb_device_id btusb_table[] = {
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]64 /* Generic Bluetooth USB device */
65 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
66
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]67 /* Generic Bluetooth AMP device */
68 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
69
Daniel Draked63b2822015-07-17 11:12:25 -0600[diff] [blame]70 /* Generic Bluetooth USB interface */
71 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
72
Henrik Rydberg1fa65352012-08-25 19:28:06 +0200[diff] [blame]73 /* Apple-specific (Broadcom) devices */
Marcel Holtmann17b27722015-03-22 15:52:38 +0100[diff] [blame]74 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]75 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
Henrik Rydberg1fa65352012-08-25 19:28:06 +0200[diff] [blame]76
Cho, Yu-Chen178c0592013-06-04 21:40:26 +0800[diff] [blame]77 /* MediaTek MT76x0E */
78 { USB_DEVICE(0x0e8d, 0x763f) },
79
Oliver Neukumc510eae2011-09-21 11:41:45 +0200[diff] [blame]80 /* Broadcom SoftSailing reporting vendor specific */
Don Zickus2e8b50632012-03-28 16:41:11 -0400[diff] [blame]81 { USB_DEVICE(0x0a5c, 0x21e1) },
Oliver Neukumc510eae2011-09-21 11:41:45 +0200[diff] [blame]82
Nobuhiro Iwamatsu3cd01972010-08-20 16:24:07 +0900[diff] [blame]83 /* Apple MacBookPro 7,1 */
84 { USB_DEVICE(0x05ac, 0x8213) },
85
Cyril Lacoux0a79f672010-07-14 10:29:27 +0400[diff] [blame]86 /* Apple iMac11,1 */
87 { USB_DEVICE(0x05ac, 0x8215) },
88
Nobuhiro Iwamatsu9c047152010-08-20 16:24:06 +0900[diff] [blame]89 /* Apple MacBookPro6,2 */
90 { USB_DEVICE(0x05ac, 0x8218) },
91
Edgar (gimli) Hucek3e3ede72010-11-04 08:04:33 +0100[diff] [blame]92 /* Apple MacBookAir3,1, MacBookAir3,2 */
93 { USB_DEVICE(0x05ac, 0x821b) },
94
Pieter-Augustijn Van Malleghema63b7232011-09-07 02:28:10 -0400[diff] [blame]95 /* Apple MacBookAir4,1 */
96 { USB_DEVICE(0x05ac, 0x821f) },
97
Marc-Antoine Perennou88d377b2011-03-24 14:51:21 -0300[diff] [blame]98 /* Apple MacBookPro8,2 */
99 { USB_DEVICE(0x05ac, 0x821a) },
100
Jurgen Kramerf78b68262011-09-04 18:01:42 +0200[diff] [blame]101 /* Apple MacMini5,1 */
102 { USB_DEVICE(0x05ac, 0x8281) },
103
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]104 /* AVM BlueFRITZ! USB v2.0 */
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800[diff] [blame]105 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]106
107 /* Bluetooth Ultraport Module from IBM */
108 { USB_DEVICE(0x04bf, 0x030a) },
109
110 /* ALPS Modules with non-standard id */
111 { USB_DEVICE(0x044e, 0x3001) },
112 { USB_DEVICE(0x044e, 0x3002) },
113
114 /* Ericsson with non-standard id */
115 { USB_DEVICE(0x0bdb, 0x1002) },
116
117 /* Canyon CN-BTU1 with HID interfaces */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]118 { USB_DEVICE(0x0c10, 0x0000) },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]119
Wen-chien Jesse Sungd13431c2011-11-08 14:30:22 +0800[diff] [blame]120 /* Broadcom BCM20702A0 */
121 { USB_DEVICE(0x413c, 0x8197) },
122
Marcel Holtmannd049f4e2015-01-26 20:35:32 -0800[diff] [blame]123 /* Broadcom BCM20702B0 (Dynex/Insignia) */
124 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
125
Santtu Rekilä2faf71c2015-10-05 15:45:27 +0300[diff] [blame]126 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
Dmitry Tunin628c26b2017-07-06 14:41:13 +0300[diff] [blame]127 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
128 .driver_info = BTUSB_BCM_PATCHRAM },
Santtu Rekilä2faf71c2015-10-05 15:45:27 +0300[diff] [blame]129
Christoph Haaga57bac42017-02-10 14:02:45 +0100[diff] [blame]130 /* Broadcom BCM920703 (HTC Vive) */
131 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
132 .driver_info = BTUSB_BCM_PATCHRAM },
133
Steven Harms98514032012-04-13 14:45:55 -0400[diff] [blame]134 /* Foxconn - Hon Hai */
Heinrich Siebmanns6029ddc2014-12-03 19:32:22 +0100[diff] [blame]135 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
136 .driver_info = BTUSB_BCM_PATCHRAM },
Steven Harms98514032012-04-13 14:45:55 -0400[diff] [blame]137
Matej Dubovy8f0c3042015-02-02 18:50:14 +0100[diff] [blame]138 /* Lite-On Technology - Broadcom based */
139 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
140 .driver_info = BTUSB_BCM_PATCHRAM },
141
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]142 /* Broadcom devices with vendor specific id */
Petri Gynther10d4c672014-05-08 15:50:01 -0700[diff] [blame]143 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
144 .driver_info = BTUSB_BCM_PATCHRAM },
Gustavo Padovan92c385f2012-08-06 15:36:49 -0300[diff] [blame]145
Marcel Holtmannc2aef6e2014-07-21 14:02:33 +0200[diff] [blame]146 /* ASUSTek Computer - Broadcom based */
Rick Dunn9a5abdaa2015-01-17 05:29:12 +0100[diff] [blame]147 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
148 .driver_info = BTUSB_BCM_PATCHRAM },
Marcel Holtmannc2aef6e2014-07-21 14:02:33 +0200[diff] [blame]149
Ken O'Brien5bcecf32013-09-21 19:14:43 +0100[diff] [blame]150 /* Belkin F8065bf - Broadcom based */
Marcel Holtmann6331c682015-03-27 15:11:41 -0700[diff] [blame]151 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
152 .driver_info = BTUSB_BCM_PATCHRAM },
Ken O'Brien5bcecf32013-09-21 19:14:43 +0100[diff] [blame]153
Jurgen Kramer9113bfd2014-02-15 12:01:09 +0100[diff] [blame]154 /* IMC Networks - Broadcom based */
Marcel Holtmann6331c682015-03-27 15:11:41 -0700[diff] [blame]155 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
156 .driver_info = BTUSB_BCM_PATCHRAM },
Jurgen Kramer9113bfd2014-02-15 12:01:09 +0100[diff] [blame]157
Wen-chien Jesse Sungfdfddc62017-01-10 15:41:13 +0800[diff] [blame]158 /* Dell Computer - Broadcom based */
159 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
160 .driver_info = BTUSB_BCM_PATCHRAM },
161
Dmitry Tunin1623d0b2015-12-05 14:09:36 +0300[diff] [blame]162 /* Toshiba Corp - Broadcom based */
163 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
164 .driver_info = BTUSB_BCM_PATCHRAM },
165
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]166 /* Intel Bluetooth USB Bootloader (RAM module) */
Marcel Holtmannd92f2df2014-07-06 14:53:55 +0200[diff] [blame]167 { USB_DEVICE(0x8087, 0x0a5a),
168 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]169
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]170 { } /* Terminating entry */
171};
172
173MODULE_DEVICE_TABLE(usb, btusb_table);
174
Marcel Holtmann54265202013-10-11 07:46:18 -0700[diff] [blame]175static const struct usb_device_id blacklist_table[] = {
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]176 /* CSR BlueCore devices */
177 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
178
179 /* Broadcom BCM2033 without firmware */
180 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
181
Marcel Holtmann6c9d4352015-10-17 14:39:27 +0200[diff] [blame]182 /* Broadcom BCM2045 devices */
183 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
184
Bala Shanmugambe931122010-11-26 17:35:46 +0530[diff] [blame]185 /* Atheros 3011 with sflash firmware */
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]186 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
187 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
Alexander Ploumistos2eeff0b2015-02-13 21:05:11 +0200[diff] [blame]188 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]189 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
Bala Shanmugambe931122010-11-26 17:35:46 +0530[diff] [blame]190 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
Marek Vasut6eda5412012-06-08 14:32:50 +0200[diff] [blame]191 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
Andy Ross2a7bccc2011-05-09 16:11:16 -0700[diff] [blame]192 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
Bala Shanmugambe931122010-11-26 17:35:46 +0530[diff] [blame]193
Cho, Yu-Chen509e7862011-01-26 17:10:59 +0800[diff] [blame]194 /* Atheros AR9285 Malbec with sflash firmware */
195 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
196
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530[diff] [blame]197 /* Atheros 3012 with sflash firmware */
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]198 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
199 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
200 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
201 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
202 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin692c0622015-06-06 20:25:40 +0300[diff] [blame]203 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
Anantha Krishnan4b552bc2014-10-06 16:31:49 +0530[diff] [blame]204 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin28c971d2016-02-10 00:49:11 +0300[diff] [blame]205 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]206 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
207 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
208 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
209 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -0700[diff] [blame]210 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]211 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
212 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin7e730c7f2015-06-18 20:41:51 +0300[diff] [blame]213 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
Dmitry Tuninec0810d2015-05-02 13:36:58 +0300[diff] [blame]214 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
Janne Heikkinen134d3b32014-12-09 07:44:51 +0200[diff] [blame]215 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin81d90442016-02-28 11:04:06 +0300[diff] [blame]216 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin441ad622017-01-05 13:19:53 +0300[diff] [blame]217 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]218 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
Dmitry Tunincd355ff2015-10-05 19:29:33 +0300[diff] [blame]219 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]220 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +0100[diff] [blame]221 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200[diff] [blame]222 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
Ming Leid66629c2013-03-15 11:00:39 +0800[diff] [blame]223 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
Hans de Goede544a5912018-04-26 14:18:19 +0200[diff] [blame]224 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900[diff] [blame]225 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200[diff] [blame]226 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
Oliver Neukumb1312372014-01-16 15:37:11 +0100[diff] [blame]227 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100[diff] [blame]228 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]229 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
Ming Leiebaf5792013-03-18 23:45:11 +0800[diff] [blame]230 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin18e0afa2015-10-16 11:45:26 +0300[diff] [blame]231 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]232 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
AceLan Kaoac713112012-04-19 14:53:45 +0800[diff] [blame]233 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
Peng Chen0a3658c2013-08-30 17:41:40 +0800[diff] [blame]234 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
Wen-chien Jesse Sungca79f232015-05-13 11:39:24 +0800[diff] [blame]235 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]236 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
237 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
AceLan Kaoeed307e2012-12-11 11:41:20 +0800[diff] [blame]238 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin609574e2016-02-10 15:33:17 +0300[diff] [blame]239 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
Sujith Manoharan5b77a1f2013-07-15 09:29:03 +0530[diff] [blame]240 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin3bb30a7c2014-11-25 20:19:52 +0300[diff] [blame]241 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin033efa92015-01-18 00:16:51 +0300[diff] [blame]242 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530[diff] [blame]243 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin75c6aca2016-03-04 01:32:19 +0300[diff] [blame]244 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin0d0cef62015-06-06 20:29:25 +0300[diff] [blame]245 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
Lauro Costa72f9f8b2016-05-09 17:36:11 -0300[diff] [blame]246 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin12d86892016-07-12 01:35:18 +0300[diff] [blame]247 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530[diff] [blame]248
Cho, Yu-Chene9036e32011-02-15 10:20:07 +0800[diff] [blame]249 /* Atheros AR5BBU12 with sflash firmware */
250 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
251
Michael Gruetzner85d59722012-05-02 22:33:40 +0200[diff] [blame]252 /* Atheros AR5BBU12 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530[diff] [blame]253 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]254 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200[diff] [blame]255
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]256 /* QCA ROME chipset */
Owen Lin1411a262018-10-18 04:37:57 +0000[diff] [blame]257 { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME },
Wen-chien Jesse Sung20541112015-05-13 11:39:25 +0800[diff] [blame]258 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
Kai-Heng Feng93519932016-08-16 12:50:06 +0800[diff] [blame]259 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
AceLan Kaoe5a49ee2018-01-02 10:41:11 +0800[diff] [blame]260 { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME },
Marcel Holtmannc9e44472015-03-16 23:56:04 -0700[diff] [blame]261 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
Gabriel1eef1c32017-02-20 12:32:22 -0500[diff] [blame]262 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME },
Marcel Holtmannc9e44472015-03-16 23:56:04 -0700[diff] [blame]263 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
Yvain THONNART47ca5892016-06-11 15:43:30 +0200[diff] [blame]264 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
Bartosz Chronowski858ff382017-10-26 10:22:43 +0200[diff] [blame]265 { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME },
Shih-Yuan Lee (FourDollars)06e41d82017-06-14 14:42:00 +0800[diff] [blame]266 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
Dmitry Tunin1144a4e2016-09-21 19:13:08 +0300[diff] [blame]267 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
Ioan Moldovan0a03f982017-08-28 18:09:39 +0300[diff] [blame]268 { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME },
Brian Norrisd829b9e2017-07-31 17:59:39 -0700[diff] [blame]269 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
Vic Weid666fc52018-04-23 15:17:07 -0700[diff] [blame]270 { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME },
Rocky Liao19220f32020-01-06 14:07:44 +0800[diff] [blame]271 { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME },
João Paulo Rechi Vita44d34af2019-05-23 13:32:01 -0700[diff] [blame]272 { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME },
João Paulo Rechi Vitadf2445b2018-04-27 10:09:58 -0700[diff] [blame]273 { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME },
João Paulo Rechi Vita881cec42019-05-23 13:32:02 -0700[diff] [blame]274 { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME },
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]275
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]276 /* Broadcom BCM2035 */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]277 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]278 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
279 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]280
281 /* Broadcom BCM2045 */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]282 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
283 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmannbdbef3d2008-09-23 00:16:35 +0200[diff] [blame]284
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]285 /* IBM/Lenovo ThinkPad with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]286 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
287 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]288
289 /* HP laptop with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]290 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]291
292 /* Dell laptop with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]293 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]294
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100[diff] [blame]295 /* Dell Wireless 370 and 410 devices */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]296 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100[diff] [blame]297 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]298
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]299 /* Belkin F8T012 and F8T013 devices */
300 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
301 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]302
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100[diff] [blame]303 /* Asus WL-BTD202 device */
304 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
305
306 /* Kensington Bluetooth USB adapter */
307 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
308
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]309 /* RTX Telecom based adapters with buggy SCO support */
310 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
311 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
312
313 /* CONWISE Technology based adapters with buggy SCO support */
Szymon Janc418678b2016-09-01 17:22:37 +0200[diff] [blame]314 { USB_DEVICE(0x0e5e, 0x6622),
315 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]316
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800[diff] [blame]317 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
Aleksei Volkov2eeac872015-06-08 12:02:10 +0300[diff] [blame]318 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800[diff] [blame]319
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]320 /* Digianswer devices */
321 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
322 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
323
324 /* CSR BlueCore Bluetooth Sniffer */
Marcel Holtmann4f64fa82014-07-07 00:12:04 +0200[diff] [blame]325 { USB_DEVICE(0x0a12, 0x0002),
326 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]327
328 /* Frontline ComProbe Bluetooth Sniffer */
Marcel Holtmann4f64fa82014-07-07 00:12:04 +0200[diff] [blame]329 { USB_DEVICE(0x16d3, 0x0002),
330 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]331
Marcel Holtmanncb1ee892015-01-28 19:41:42 -0800[diff] [blame]332 /* Marvell Bluetooth devices */
333 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
334 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
Amitkumar Karwar1165df02016-09-28 16:18:35 +0530[diff] [blame]335 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
Marcel Holtmanncb1ee892015-01-28 19:41:42 -0800[diff] [blame]336
Marcel Holtmannd0ac9eb2015-01-28 19:41:43 -0800[diff] [blame]337 /* Intel Bluetooth devices */
Alain Michaud3e4e3f72020-02-27 18:29:37 +0000[diff] [blame]338 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW |
339 BTUSB_WIDEBAND_SPEECH },
340 { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW |
341 BTUSB_WIDEBAND_SPEECH },
342 { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW |
343 BTUSB_WIDEBAND_SPEECH },
Marcel Holtmann407550f2015-02-22 15:41:18 -0800[diff] [blame]344 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]345 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
Tedd Ho-Jeong Anef4e5e42013-11-12 13:10:58 -0800[diff] [blame]346 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
Alain Michaud3e4e3f72020-02-27 18:29:37 +0000[diff] [blame]347 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW |
348 BTUSB_WIDEBAND_SPEECH },
349 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL |
350 BTUSB_WIDEBAND_SPEECH },
351 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW |
352 BTUSB_WIDEBAND_SPEECH },
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]353
Marcel Holtmannd0ac9eb2015-01-28 19:41:43 -0800[diff] [blame]354 /* Other Intel Bluetooth devices */
355 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
356 .driver_info = BTUSB_IGNORE },
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]357
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]358 /* Realtek Bluetooth devices */
359 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
360 .driver_info = BTUSB_REALTEK },
361
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]362 /* MediaTek Bluetooth devices */
363 { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),
364 .driver_info = BTUSB_MEDIATEK },
365
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]366 /* Additional Realtek 8723AE Bluetooth devices */
367 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
368 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
369
370 /* Additional Realtek 8723BE Bluetooth devices */
371 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
372 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
373 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
374 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
375 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
Dmitry Tunina81d72d2017-08-08 14:09:02 +0300[diff] [blame]376 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]377
Vicente Bergasa41e0792018-03-20 19:41:10 +0100[diff] [blame]378 /* Additional Realtek 8723BU Bluetooth devices */
379 { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK },
380
Jian-Hong Pan66d99752018-05-21 18:09:20 +0800[diff] [blame]381 /* Additional Realtek 8723DE Bluetooth devices */
Jian-Hong Pan45ae68b2018-05-25 17:54:52 +0800[diff] [blame]382 { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
Jian-Hong Pan66d99752018-05-21 18:09:20 +0800[diff] [blame]383 { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
384
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]385 /* Additional Realtek 8821AE Bluetooth devices */
386 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
387 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
388 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
389 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
390 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
391
Larry Fingerfed03fe2018-02-11 12:24:32 -0600[diff] [blame]392 /* Additional Realtek 8822BE Bluetooth devices */
Artiom Vaskov1cd2fab2018-05-30 11:23:00 +0300[diff] [blame]393 { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK },
Larry Fingerfed03fe2018-02-11 12:24:32 -0600[diff] [blame]394 { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK },
395
Jian-Hong Pan6d0762b2019-09-03 17:10:42 +0800[diff] [blame]396 /* Additional Realtek 8822CE Bluetooth devices */
397 { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK },
Sergey Shatunoveb3939e32020-02-08 23:53:15 +0800[diff] [blame]398 { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK },
Jian-Hong Pan6d0762b2019-09-03 17:10:42 +0800[diff] [blame]399
Peter Poklop4481c072015-08-15 20:47:09 +0200[diff] [blame]400 /* Silicon Wave based devices */
401 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
402
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]403 { } /* Terminating entry */
404};
405
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]406/* The Bluetooth USB module build into some devices needs to be reset on resume,
407 * this is a problem with the platform (likely shutting off all power) not with
408 * the module itself. So we use a DMI list to match known broken platforms.
409 */
410static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
411 {
Kai-Heng Feng0c6e5262018-03-01 13:42:52 +0800[diff] [blame]412 /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]413 .matches = {
Kai-Heng Feng0c6e5262018-03-01 13:42:52 +0800[diff] [blame]414 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
415 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"),
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]416 },
417 },
Hans de Goede596b07a2018-04-26 20:52:06 +0200[diff] [blame]418 {
419 /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */
420 .matches = {
421 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
422 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"),
423 },
424 },
Hans de Goede939bc6c2018-05-22 09:34:10 +0200[diff] [blame]425 {
426 /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */
427 .matches = {
428 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
429 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"),
430 },
431 },
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]432 {}
433};
434
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]435#define BTUSB_MAX_ISOC_FRAMES 10
436
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]437#define BTUSB_INTR_RUNNING 0
438#define BTUSB_BULK_RUNNING 1
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]439#define BTUSB_ISOC_RUNNING 2
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]440#define BTUSB_SUSPENDING 3
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]441#define BTUSB_DID_ISO_RESUME 4
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]442#define BTUSB_BOOTLOADER 5
443#define BTUSB_DOWNLOADING 6
Marcel Holtmannce6bb922015-01-28 01:58:40 -0800[diff] [blame]444#define BTUSB_FIRMWARE_LOADED 7
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]445#define BTUSB_FIRMWARE_FAILED 8
Marcel Holtmannce6bb922015-01-28 01:58:40 -0800[diff] [blame]446#define BTUSB_BOOTING 9
Hans de Goede61f5ace2018-01-08 10:44:16 +0100[diff] [blame]447#define BTUSB_DIAG_RUNNING 10
448#define BTUSB_OOB_WAKE_ENABLED 11
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]449#define BTUSB_HW_RESET_ACTIVE 12
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]450#define BTUSB_TX_WAIT_VND_EVT 13
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]451#define BTUSB_WAKEUP_DISABLE 14
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]452
453struct btusb_data {
454 struct hci_dev *hdev;
455 struct usb_device *udev;
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]456 struct usb_interface *intf;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]457 struct usb_interface *isoc;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]458 struct usb_interface *diag;
Marcel Holtmann459232f2017-10-24 19:42:45 +0200[diff] [blame]459 unsigned isoc_ifnum;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]460
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]461 unsigned long flags;
462
463 struct work_struct work;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]464 struct work_struct waker;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]465
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]466 struct usb_anchor deferred;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]467 struct usb_anchor tx_anchor;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]468 int tx_in_flight;
469 spinlock_t txlock;
470
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]471 struct usb_anchor intr_anchor;
472 struct usb_anchor bulk_anchor;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]473 struct usb_anchor isoc_anchor;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]474 struct usb_anchor diag_anchor;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]475 struct usb_anchor ctrl_anchor;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]476 spinlock_t rxlock;
477
478 struct sk_buff *evt_skb;
479 struct sk_buff *acl_skb;
480 struct sk_buff *sco_skb;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]481
482 struct usb_endpoint_descriptor *intr_ep;
483 struct usb_endpoint_descriptor *bulk_tx_ep;
484 struct usb_endpoint_descriptor *bulk_rx_ep;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]485 struct usb_endpoint_descriptor *isoc_tx_ep;
486 struct usb_endpoint_descriptor *isoc_rx_ep;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]487 struct usb_endpoint_descriptor *diag_tx_ep;
488 struct usb_endpoint_descriptor *diag_rx_ep;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]489
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]490 struct gpio_desc *reset_gpio;
491
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]492 __u8 cmdreq_type;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]493 __u8 cmdreq;
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]494
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]495 unsigned int sco_num;
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]496 unsigned int air_mode;
497 bool usb_alt6_packet_flow;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]498 int isoc_altsetting;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]499 int suspend_count;
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]500
Marcel Holtmann97307f52015-01-12 13:51:10 -0800[diff] [blame]501 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]502 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
Kim, Ben Young Taeace31982015-02-15 23:06:14 +0000[diff] [blame]503
504 int (*setup_on_usb)(struct hci_dev *hdev);
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]505
506 int oob_wake_irq; /* irq for out-of-band wake-on-bt */
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]507 unsigned cmd_timeout_cnt;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]508};
509
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]510
511static void btusb_intel_cmd_timeout(struct hci_dev *hdev)
512{
513 struct btusb_data *data = hci_get_drvdata(hdev);
514 struct gpio_desc *reset_gpio = data->reset_gpio;
515
516 if (++data->cmd_timeout_cnt < 5)
517 return;
518
519 if (!reset_gpio) {
520 bt_dev_err(hdev, "No way to reset. Ignoring and continuing");
521 return;
522 }
523
524 /*
525 * Toggle the hard reset line if the platform provides one. The reset
526 * is going to yank the device off the USB and then replug. So doing
527 * once is enough. The cleanup is handled correctly on the way out
528 * (standard USB disconnect), and the new device is detected cleanly
529 * and bound to the driver again like it should be.
530 */
531 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
532 bt_dev_err(hdev, "last reset failed? Not resetting again");
533 return;
534 }
535
536 bt_dev_err(hdev, "Initiating HW reset via gpio");
Rajat Jain2de66bb82019-01-28 15:08:09 -0800[diff] [blame]537 gpiod_set_value_cansleep(reset_gpio, 1);
538 msleep(100);
539 gpiod_set_value_cansleep(reset_gpio, 0);
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]540}
541
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]542static void btusb_rtl_cmd_timeout(struct hci_dev *hdev)
543{
544 struct btusb_data *data = hci_get_drvdata(hdev);
545 struct gpio_desc *reset_gpio = data->reset_gpio;
546
547 if (++data->cmd_timeout_cnt < 5)
548 return;
549
550 if (!reset_gpio) {
551 bt_dev_err(hdev, "No gpio to reset Realtek device, ignoring");
552 return;
553 }
554
555 /* Toggle the hard reset line. The Realtek device is going to
556 * yank itself off the USB and then replug. The cleanup is handled
557 * correctly on the way out (standard USB disconnect), and the new
558 * device is detected cleanly and bound to the driver again like
559 * it should be.
560 */
561 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
562 bt_dev_err(hdev, "last reset failed? Not resetting again");
563 return;
564 }
565
566 bt_dev_err(hdev, "Reset Realtek device via gpio");
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]567 gpiod_set_value_cansleep(reset_gpio, 1);
Max Chou34682112019-11-27 11:01:07 +0800[diff] [blame]568 msleep(200);
569 gpiod_set_value_cansleep(reset_gpio, 0);
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]570}
571
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]572static inline void btusb_free_frags(struct btusb_data *data)
573{
574 unsigned long flags;
575
576 spin_lock_irqsave(&data->rxlock, flags);
577
578 kfree_skb(data->evt_skb);
579 data->evt_skb = NULL;
580
581 kfree_skb(data->acl_skb);
582 data->acl_skb = NULL;
583
584 kfree_skb(data->sco_skb);
585 data->sco_skb = NULL;
586
587 spin_unlock_irqrestore(&data->rxlock, flags);
588}
589
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]590static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
591{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]592 struct sk_buff *skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]593 unsigned long flags;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]594 int err = 0;
595
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]596 spin_lock_irqsave(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]597 skb = data->evt_skb;
598
599 while (count) {
600 int len;
601
602 if (!skb) {
603 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
604 if (!skb) {
605 err = -ENOMEM;
606 break;
607 }
608
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]609 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
610 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]611 }
612
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]613 len = min_t(uint, hci_skb_expect(skb), count);
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]614 skb_put_data(skb, buffer, len);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]615
616 count -= len;
617 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]618 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]619
620 if (skb->len == HCI_EVENT_HDR_SIZE) {
621 /* Complete event header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]622 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]623
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]624 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]625 kfree_skb(skb);
626 skb = NULL;
627
628 err = -EILSEQ;
629 break;
630 }
631 }
632
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]633 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]634 /* Complete frame */
Marcel Holtmann97307f52015-01-12 13:51:10 -0800[diff] [blame]635 data->recv_event(data->hdev, skb);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]636 skb = NULL;
637 }
638 }
639
640 data->evt_skb = skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]641 spin_unlock_irqrestore(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]642
643 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]644}
645
646static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
647{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]648 struct sk_buff *skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]649 unsigned long flags;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]650 int err = 0;
651
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]652 spin_lock_irqsave(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]653 skb = data->acl_skb;
654
655 while (count) {
656 int len;
657
658 if (!skb) {
659 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
660 if (!skb) {
661 err = -ENOMEM;
662 break;
663 }
664
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]665 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
666 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]667 }
668
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]669 len = min_t(uint, hci_skb_expect(skb), count);
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]670 skb_put_data(skb, buffer, len);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]671
672 count -= len;
673 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]674 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]675
676 if (skb->len == HCI_ACL_HDR_SIZE) {
677 __le16 dlen = hci_acl_hdr(skb)->dlen;
678
679 /* Complete ACL header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]680 hci_skb_expect(skb) = __le16_to_cpu(dlen);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]681
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]682 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]683 kfree_skb(skb);
684 skb = NULL;
685
686 err = -EILSEQ;
687 break;
688 }
689 }
690
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]691 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]692 /* Complete frame */
693 hci_recv_frame(data->hdev, skb);
694 skb = NULL;
695 }
696 }
697
698 data->acl_skb = skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]699 spin_unlock_irqrestore(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]700
701 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]702}
703
704static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
705{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]706 struct sk_buff *skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]707 unsigned long flags;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]708 int err = 0;
709
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]710 spin_lock_irqsave(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]711 skb = data->sco_skb;
712
713 while (count) {
714 int len;
715
716 if (!skb) {
717 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
718 if (!skb) {
719 err = -ENOMEM;
720 break;
721 }
722
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]723 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
724 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]725 }
726
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]727 len = min_t(uint, hci_skb_expect(skb), count);
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]728 skb_put_data(skb, buffer, len);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]729
730 count -= len;
731 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]732 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]733
734 if (skb->len == HCI_SCO_HDR_SIZE) {
735 /* Complete SCO header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]736 hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]737
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]738 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]739 kfree_skb(skb);
740 skb = NULL;
741
742 err = -EILSEQ;
743 break;
744 }
745 }
746
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]747 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]748 /* Complete frame */
749 hci_recv_frame(data->hdev, skb);
750 skb = NULL;
751 }
752 }
753
754 data->sco_skb = skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]755 spin_unlock_irqrestore(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]756
757 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]758}
759
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]760static void btusb_intr_complete(struct urb *urb)
761{
762 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]763 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]764 int err;
765
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]766 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
767 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]768
769 if (!test_bit(HCI_RUNNING, &hdev->flags))
770 return;
771
772 if (urb->status == 0) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]773 hdev->stat.byte_rx += urb->actual_length;
774
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]775 if (btusb_recv_intr(data, urb->transfer_buffer,
776 urb->actual_length) < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]777 bt_dev_err(hdev, "corrupted event packet");
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]778 hdev->stat.err_rx++;
779 }
Champion Chen85560c42014-09-06 14:06:08 -0500[diff] [blame]780 } else if (urb->status == -ENOENT) {
781 /* Avoid suspend failed when usb_kill_urb */
782 return;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]783 }
784
785 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
786 return;
787
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]788 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]789 usb_anchor_urb(urb, &data->intr_anchor);
790
791 err = usb_submit_urb(urb, GFP_ATOMIC);
792 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]793 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]794 * -ENODEV: device got disconnected
795 */
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]796 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]797 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
798 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]799 usb_unanchor_urb(urb);
800 }
801}
802
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]803static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]804{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]805 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]806 struct urb *urb;
807 unsigned char *buf;
808 unsigned int pipe;
809 int err, size;
810
811 BT_DBG("%s", hdev->name);
812
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]813 if (!data->intr_ep)
814 return -ENODEV;
815
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]816 urb = usb_alloc_urb(0, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]817 if (!urb)
818 return -ENOMEM;
819
820 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
821
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]822 buf = kmalloc(size, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]823 if (!buf) {
824 usb_free_urb(urb);
825 return -ENOMEM;
826 }
827
828 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
829
830 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]831 btusb_intr_complete, hdev, data->intr_ep->bInterval);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]832
833 urb->transfer_flags |= URB_FREE_BUFFER;
834
835 usb_anchor_urb(urb, &data->intr_anchor);
836
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]837 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]838 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200[diff] [blame]839 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]840 bt_dev_err(hdev, "urb %p submission failed (%d)",
841 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]842 usb_unanchor_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]843 }
844
845 usb_free_urb(urb);
846
847 return err;
848}
849
850static void btusb_bulk_complete(struct urb *urb)
851{
852 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]853 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]854 int err;
855
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]856 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
857 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]858
859 if (!test_bit(HCI_RUNNING, &hdev->flags))
860 return;
861
862 if (urb->status == 0) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]863 hdev->stat.byte_rx += urb->actual_length;
864
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]865 if (data->recv_bulk(data, urb->transfer_buffer,
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]866 urb->actual_length) < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]867 bt_dev_err(hdev, "corrupted ACL packet");
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]868 hdev->stat.err_rx++;
869 }
Champion Chen85560c42014-09-06 14:06:08 -0500[diff] [blame]870 } else if (urb->status == -ENOENT) {
871 /* Avoid suspend failed when usb_kill_urb */
872 return;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]873 }
874
875 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
876 return;
877
878 usb_anchor_urb(urb, &data->bulk_anchor);
Oliver Neukum652fd782009-12-16 19:23:43 +0100[diff] [blame]879 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]880
881 err = usb_submit_urb(urb, GFP_ATOMIC);
882 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]883 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]884 * -ENODEV: device got disconnected
885 */
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]886 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]887 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
888 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]889 usb_unanchor_urb(urb);
890 }
891}
892
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]893static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]894{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]895 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]896 struct urb *urb;
897 unsigned char *buf;
898 unsigned int pipe;
Vikram Kandukuri290ba202009-07-02 14:31:59 +0530[diff] [blame]899 int err, size = HCI_MAX_FRAME_SIZE;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]900
901 BT_DBG("%s", hdev->name);
902
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]903 if (!data->bulk_rx_ep)
904 return -ENODEV;
905
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]906 urb = usb_alloc_urb(0, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]907 if (!urb)
908 return -ENOMEM;
909
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]910 buf = kmalloc(size, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]911 if (!buf) {
912 usb_free_urb(urb);
913 return -ENOMEM;
914 }
915
916 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
917
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]918 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
919 btusb_bulk_complete, hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]920
921 urb->transfer_flags |= URB_FREE_BUFFER;
922
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]923 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]924 usb_anchor_urb(urb, &data->bulk_anchor);
925
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]926 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]927 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200[diff] [blame]928 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]929 bt_dev_err(hdev, "urb %p submission failed (%d)",
930 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]931 usb_unanchor_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]932 }
933
934 usb_free_urb(urb);
935
936 return err;
937}
938
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]939static void btusb_isoc_complete(struct urb *urb)
940{
941 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]942 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]943 int i, err;
944
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]945 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
946 urb->actual_length);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]947
948 if (!test_bit(HCI_RUNNING, &hdev->flags))
949 return;
950
951 if (urb->status == 0) {
952 for (i = 0; i < urb->number_of_packets; i++) {
953 unsigned int offset = urb->iso_frame_desc[i].offset;
954 unsigned int length = urb->iso_frame_desc[i].actual_length;
955
956 if (urb->iso_frame_desc[i].status)
957 continue;
958
959 hdev->stat.byte_rx += length;
960
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]961 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
962 length) < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]963 bt_dev_err(hdev, "corrupted SCO packet");
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]964 hdev->stat.err_rx++;
965 }
966 }
Champion Chen85560c42014-09-06 14:06:08 -0500[diff] [blame]967 } else if (urb->status == -ENOENT) {
968 /* Avoid suspend failed when usb_kill_urb */
969 return;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]970 }
971
972 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
973 return;
974
975 usb_anchor_urb(urb, &data->isoc_anchor);
976
977 err = usb_submit_urb(urb, GFP_ATOMIC);
978 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]979 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]980 * -ENODEV: device got disconnected
981 */
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]982 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]983 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
984 urb, -err);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]985 usb_unanchor_urb(urb);
986 }
987}
988
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]989static inline void __fill_isoc_descriptor_msbc(struct urb *urb, int len,
990 int mtu, struct btusb_data *data)
991{
992 int i, offset = 0;
993 unsigned int interval;
994
995 BT_DBG("len %d mtu %d", len, mtu);
996
997 /* For mSBC ALT 6 setting the host will send the packet at continuous
998 * flow. As per core spec 5, vol 4, part B, table 2.1. For ALT setting
999 * 6 the HCI PACKET INTERVAL should be 7.5ms for every usb packets.
1000 * To maintain the rate we send 63bytes of usb packets alternatively for
1001 * 7ms and 8ms to maintain the rate as 7.5ms.
1002 */
1003 if (data->usb_alt6_packet_flow) {
1004 interval = 7;
1005 data->usb_alt6_packet_flow = false;
1006 } else {
1007 interval = 6;
1008 data->usb_alt6_packet_flow = true;
1009 }
1010
1011 for (i = 0; i < interval; i++) {
1012 urb->iso_frame_desc[i].offset = offset;
1013 urb->iso_frame_desc[i].length = offset;
1014 }
1015
1016 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
1017 urb->iso_frame_desc[i].offset = offset;
1018 urb->iso_frame_desc[i].length = len;
1019 i++;
1020 }
1021
1022 urb->number_of_packets = i;
1023}
1024
Jesper Juhl42b16b32011-01-17 00:09:38 +0100[diff] [blame]1025static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1026{
1027 int i, offset = 0;
1028
1029 BT_DBG("len %d mtu %d", len, mtu);
1030
1031 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
1032 i++, offset += mtu, len -= mtu) {
1033 urb->iso_frame_desc[i].offset = offset;
1034 urb->iso_frame_desc[i].length = mtu;
1035 }
1036
1037 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
1038 urb->iso_frame_desc[i].offset = offset;
1039 urb->iso_frame_desc[i].length = len;
1040 i++;
1041 }
1042
1043 urb->number_of_packets = i;
1044}
1045
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1046static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1047{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1048 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1049 struct urb *urb;
1050 unsigned char *buf;
1051 unsigned int pipe;
1052 int err, size;
1053
1054 BT_DBG("%s", hdev->name);
1055
1056 if (!data->isoc_rx_ep)
1057 return -ENODEV;
1058
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1059 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1060 if (!urb)
1061 return -ENOMEM;
1062
1063 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
1064 BTUSB_MAX_ISOC_FRAMES;
1065
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1066 buf = kmalloc(size, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1067 if (!buf) {
1068 usb_free_urb(urb);
1069 return -ENOMEM;
1070 }
1071
1072 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
1073
Bing Zhaofa0fb932011-12-20 18:19:00 -0800[diff] [blame]1074 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1075 hdev, data->isoc_rx_ep->bInterval);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1076
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1077 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1078
1079 __fill_isoc_descriptor(urb, size,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1080 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1081
1082 usb_anchor_urb(urb, &data->isoc_anchor);
1083
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1084 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1085 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200[diff] [blame]1086 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1087 bt_dev_err(hdev, "urb %p submission failed (%d)",
1088 urb, -err);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1089 usb_unanchor_urb(urb);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1090 }
1091
1092 usb_free_urb(urb);
1093
1094 return err;
1095}
1096
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1097static void btusb_diag_complete(struct urb *urb)
1098{
1099 struct hci_dev *hdev = urb->context;
1100 struct btusb_data *data = hci_get_drvdata(hdev);
1101 int err;
1102
1103 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1104 urb->actual_length);
1105
1106 if (urb->status == 0) {
1107 struct sk_buff *skb;
1108
1109 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
1110 if (skb) {
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]1111 skb_put_data(skb, urb->transfer_buffer,
1112 urb->actual_length);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1113 hci_recv_diag(hdev, skb);
1114 }
1115 } else if (urb->status == -ENOENT) {
1116 /* Avoid suspend failed when usb_kill_urb */
1117 return;
1118 }
1119
1120 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
1121 return;
1122
1123 usb_anchor_urb(urb, &data->diag_anchor);
1124 usb_mark_last_busy(data->udev);
1125
1126 err = usb_submit_urb(urb, GFP_ATOMIC);
1127 if (err < 0) {
1128 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]1129 * -ENODEV: device got disconnected
1130 */
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1131 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1132 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1133 urb, -err);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1134 usb_unanchor_urb(urb);
1135 }
1136}
1137
1138static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
1139{
1140 struct btusb_data *data = hci_get_drvdata(hdev);
1141 struct urb *urb;
1142 unsigned char *buf;
1143 unsigned int pipe;
1144 int err, size = HCI_MAX_FRAME_SIZE;
1145
1146 BT_DBG("%s", hdev->name);
1147
1148 if (!data->diag_rx_ep)
1149 return -ENODEV;
1150
1151 urb = usb_alloc_urb(0, mem_flags);
1152 if (!urb)
1153 return -ENOMEM;
1154
1155 buf = kmalloc(size, mem_flags);
1156 if (!buf) {
1157 usb_free_urb(urb);
1158 return -ENOMEM;
1159 }
1160
1161 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
1162
1163 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
1164 btusb_diag_complete, hdev);
1165
1166 urb->transfer_flags |= URB_FREE_BUFFER;
1167
1168 usb_mark_last_busy(data->udev);
1169 usb_anchor_urb(urb, &data->diag_anchor);
1170
1171 err = usb_submit_urb(urb, mem_flags);
1172 if (err < 0) {
1173 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1174 bt_dev_err(hdev, "urb %p submission failed (%d)",
1175 urb, -err);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1176 usb_unanchor_urb(urb);
1177 }
1178
1179 usb_free_urb(urb);
1180
1181 return err;
1182}
1183
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1184static void btusb_tx_complete(struct urb *urb)
1185{
1186 struct sk_buff *skb = urb->context;
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1187 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1188 struct btusb_data *data = hci_get_drvdata(hdev);
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]1189 unsigned long flags;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1190
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1191 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1192 urb->actual_length);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1193
1194 if (!test_bit(HCI_RUNNING, &hdev->flags))
1195 goto done;
1196
1197 if (!urb->status)
1198 hdev->stat.byte_tx += urb->transfer_buffer_length;
1199 else
1200 hdev->stat.err_tx++;
1201
1202done:
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]1203 spin_lock_irqsave(&data->txlock, flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1204 data->tx_in_flight--;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]1205 spin_unlock_irqrestore(&data->txlock, flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1206
1207 kfree(urb->setup_packet);
1208
1209 kfree_skb(skb);
1210}
1211
1212static void btusb_isoc_tx_complete(struct urb *urb)
1213{
1214 struct sk_buff *skb = urb->context;
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1215 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1216
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1217 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1218 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1219
1220 if (!test_bit(HCI_RUNNING, &hdev->flags))
1221 goto done;
1222
1223 if (!urb->status)
1224 hdev->stat.byte_tx += urb->transfer_buffer_length;
1225 else
1226 hdev->stat.err_tx++;
1227
1228done:
1229 kfree(urb->setup_packet);
1230
1231 kfree_skb(skb);
1232}
1233
1234static int btusb_open(struct hci_dev *hdev)
1235{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1236 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1237 int err;
1238
1239 BT_DBG("%s", hdev->name);
1240
Ethan Hsiehc7e163f2016-10-07 12:06:42 +0800[diff] [blame]1241 err = usb_autopm_get_interface(data->intf);
1242 if (err < 0)
1243 return err;
1244
Kim, Ben Young Taeace31982015-02-15 23:06:14 +0000[diff] [blame]1245 /* Patching USB firmware files prior to starting any URBs of HCI path
1246 * It is more safe to use USB bulk channel for downloading USB patch
1247 */
1248 if (data->setup_on_usb) {
1249 err = data->setup_on_usb(hdev);
Marcel Holtmanneb500422015-04-16 23:15:50 +0200[diff] [blame]1250 if (err < 0)
Oliver Neukum3d44a6f2019-11-14 16:01:18 +0100[diff] [blame]1251 goto setup_fail;
Kim, Ben Young Taeace31982015-02-15 23:06:14 +0000[diff] [blame]1252 }
1253
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1254 data->intf->needs_remote_wakeup = 1;
1255
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]1256 /* Disable device remote wakeup when host is suspended
1257 * For Realtek chips, global suspend without
1258 * SET_FEATURE (DEVICE_REMOTE_WAKEUP) can save more power in device.
1259 */
1260 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
1261 device_wakeup_disable(&data->udev->dev);
1262
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1263 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1264 goto done;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1265
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1266 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1267 if (err < 0)
1268 goto failed;
1269
1270 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1271 if (err < 0) {
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1272 usb_kill_anchored_urbs(&data->intr_anchor);
1273 goto failed;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1274 }
1275
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1276 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1277 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1278
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1279 if (data->diag) {
1280 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1281 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1282 }
1283
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1284done:
1285 usb_autopm_put_interface(data->intf);
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1286 return 0;
1287
1288failed:
1289 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Oliver Neukum3d44a6f2019-11-14 16:01:18 +0100[diff] [blame]1290setup_fail:
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1291 usb_autopm_put_interface(data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1292 return err;
1293}
1294
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1295static void btusb_stop_traffic(struct btusb_data *data)
1296{
1297 usb_kill_anchored_urbs(&data->intr_anchor);
1298 usb_kill_anchored_urbs(&data->bulk_anchor);
1299 usb_kill_anchored_urbs(&data->isoc_anchor);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1300 usb_kill_anchored_urbs(&data->diag_anchor);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]1301 usb_kill_anchored_urbs(&data->ctrl_anchor);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1302}
1303
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1304static int btusb_close(struct hci_dev *hdev)
1305{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1306 struct btusb_data *data = hci_get_drvdata(hdev);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1307 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1308
1309 BT_DBG("%s", hdev->name);
1310
Marcel Holtmanne8c3c3d2008-09-23 00:16:36 +0200[diff] [blame]1311 cancel_work_sync(&data->work);
Linus Torvalds404291a2009-11-11 13:32:29 -0800[diff] [blame]1312 cancel_work_sync(&data->waker);
Marcel Holtmanne8c3c3d2008-09-23 00:16:36 +0200[diff] [blame]1313
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1314 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1315 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1316 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1317 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1318
1319 btusb_stop_traffic(data);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]1320 btusb_free_frags(data);
1321
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1322 err = usb_autopm_get_interface(data->intf);
1323 if (err < 0)
Oliver Neukum7b8e2c12009-11-13 14:26:23 +0100[diff] [blame]1324 goto failed;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1325
1326 data->intf->needs_remote_wakeup = 0;
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]1327
1328 /* Enable remote wake up for auto-suspend */
1329 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
1330 data->intf->needs_remote_wakeup = 1;
1331
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1332 usb_autopm_put_interface(data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1333
Oliver Neukum7b8e2c12009-11-13 14:26:23 +0100[diff] [blame]1334failed:
1335 usb_scuttle_anchored_urbs(&data->deferred);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1336 return 0;
1337}
1338
1339static int btusb_flush(struct hci_dev *hdev)
1340{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1341 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1342
1343 BT_DBG("%s", hdev->name);
1344
1345 usb_kill_anchored_urbs(&data->tx_anchor);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]1346 btusb_free_frags(data);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1347
1348 return 0;
1349}
1350
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1351static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1352{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1353 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1354 struct usb_ctrlrequest *dr;
1355 struct urb *urb;
1356 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1357
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1358 urb = usb_alloc_urb(0, GFP_KERNEL);
1359 if (!urb)
1360 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1361
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1362 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1363 if (!dr) {
1364 usb_free_urb(urb);
1365 return ERR_PTR(-ENOMEM);
1366 }
1367
1368 dr->bRequestType = data->cmdreq_type;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]1369 dr->bRequest = data->cmdreq;
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1370 dr->wIndex = 0;
1371 dr->wValue = 0;
1372 dr->wLength = __cpu_to_le16(skb->len);
1373
1374 pipe = usb_sndctrlpipe(data->udev, 0x00);
1375
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1376 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1377 skb->data, skb->len, btusb_tx_complete, skb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1378
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1379 skb->dev = (void *)hdev;
Marcel Holtmann7bd8f092013-10-11 06:19:18 -0700[diff] [blame]1380
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1381 return urb;
1382}
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1383
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1384static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1385{
1386 struct btusb_data *data = hci_get_drvdata(hdev);
1387 struct urb *urb;
1388 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1389
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1390 if (!data->bulk_tx_ep)
1391 return ERR_PTR(-ENODEV);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1392
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1393 urb = usb_alloc_urb(0, GFP_KERNEL);
1394 if (!urb)
1395 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1396
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1397 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1398
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1399 usb_fill_bulk_urb(urb, data->udev, pipe,
1400 skb->data, skb->len, btusb_tx_complete, skb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1401
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1402 skb->dev = (void *)hdev;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1403
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1404 return urb;
1405}
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1406
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1407static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1408{
1409 struct btusb_data *data = hci_get_drvdata(hdev);
1410 struct urb *urb;
1411 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1412
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1413 if (!data->isoc_tx_ep)
1414 return ERR_PTR(-ENODEV);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1415
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1416 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1417 if (!urb)
1418 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1419
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1420 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1421
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1422 usb_fill_int_urb(urb, data->udev, pipe,
1423 skb->data, skb->len, btusb_isoc_tx_complete,
1424 skb, data->isoc_tx_ep->bInterval);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1425
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1426 urb->transfer_flags = URB_ISO_ASAP;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1427
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]1428 if (data->isoc_altsetting == 6)
1429 __fill_isoc_descriptor_msbc(urb, skb->len,
1430 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize),
1431 data);
1432 else
1433 __fill_isoc_descriptor(urb, skb->len,
1434 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1435 skb->dev = (void *)hdev;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1436
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1437 return urb;
1438}
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1439
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1440static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1441{
1442 struct btusb_data *data = hci_get_drvdata(hdev);
1443 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1444
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1445 usb_anchor_urb(urb, &data->tx_anchor);
1446
Johan Hedberge9753ef2014-09-14 08:49:34 +0300[diff] [blame]1447 err = usb_submit_urb(urb, GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1448 if (err < 0) {
Paul Bolle5a9b80e2011-10-09 12:12:16 +0200[diff] [blame]1449 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1450 bt_dev_err(hdev, "urb %p submission failed (%d)",
1451 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1452 kfree(urb->setup_packet);
1453 usb_unanchor_urb(urb);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1454 } else {
1455 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1456 }
1457
Cong Wang54a8a792011-11-22 09:32:57 +0800[diff] [blame]1458 usb_free_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1459 return err;
1460}
1461
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1462static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1463{
1464 struct btusb_data *data = hci_get_drvdata(hdev);
1465 unsigned long flags;
1466 bool suspending;
1467
1468 spin_lock_irqsave(&data->txlock, flags);
1469 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1470 if (!suspending)
1471 data->tx_in_flight++;
1472 spin_unlock_irqrestore(&data->txlock, flags);
1473
1474 if (!suspending)
1475 return submit_tx_urb(hdev, urb);
1476
1477 usb_anchor_urb(urb, &data->deferred);
1478 schedule_work(&data->waker);
1479
1480 usb_free_urb(urb);
1481 return 0;
1482}
1483
1484static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1485{
1486 struct urb *urb;
1487
1488 BT_DBG("%s", hdev->name);
1489
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]1490 switch (hci_skb_pkt_type(skb)) {
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1491 case HCI_COMMAND_PKT:
1492 urb = alloc_ctrl_urb(hdev, skb);
1493 if (IS_ERR(urb))
1494 return PTR_ERR(urb);
1495
1496 hdev->stat.cmd_tx++;
1497 return submit_or_queue_tx_urb(hdev, urb);
1498
1499 case HCI_ACLDATA_PKT:
1500 urb = alloc_bulk_urb(hdev, skb);
1501 if (IS_ERR(urb))
1502 return PTR_ERR(urb);
1503
1504 hdev->stat.acl_tx++;
1505 return submit_or_queue_tx_urb(hdev, urb);
1506
1507 case HCI_SCODATA_PKT:
1508 if (hci_conn_num(hdev, SCO_LINK) < 1)
1509 return -ENODEV;
1510
1511 urb = alloc_isoc_urb(hdev, skb);
1512 if (IS_ERR(urb))
1513 return PTR_ERR(urb);
1514
1515 hdev->stat.sco_tx++;
1516 return submit_tx_urb(hdev, urb);
1517 }
1518
1519 return -EILSEQ;
1520}
1521
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1522static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1523{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1524 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1525
1526 BT_DBG("%s evt %d", hdev->name, evt);
1527
Marcel Holtmann014f7bc2013-10-10 09:47:55 -0700[diff] [blame]1528 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1529 data->sco_num = hci_conn_num(hdev, SCO_LINK);
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]1530 data->air_mode = evt;
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1531 schedule_work(&data->work);
Marcel Holtmanna780efa2008-11-30 12:17:12 +0100[diff] [blame]1532 }
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1533}
1534
Jesper Juhl42b16b32011-01-17 00:09:38 +0100[diff] [blame]1535static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1536{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1537 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1538 struct usb_interface *intf = data->isoc;
1539 struct usb_endpoint_descriptor *ep_desc;
1540 int i, err;
1541
1542 if (!data->isoc)
1543 return -ENODEV;
1544
Marcel Holtmann459232f2017-10-24 19:42:45 +0200[diff] [blame]1545 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1546 if (err < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1547 bt_dev_err(hdev, "setting interface failed (%d)", -err);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1548 return err;
1549 }
1550
1551 data->isoc_altsetting = altsetting;
1552
1553 data->isoc_tx_ep = NULL;
1554 data->isoc_rx_ep = NULL;
1555
1556 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1557 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1558
1559 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1560 data->isoc_tx_ep = ep_desc;
1561 continue;
1562 }
1563
1564 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1565 data->isoc_rx_ep = ep_desc;
1566 continue;
1567 }
1568 }
1569
1570 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1571 bt_dev_err(hdev, "invalid SCO descriptors");
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1572 return -ENODEV;
1573 }
1574
1575 return 0;
1576}
1577
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]1578static int btusb_switch_alt_setting(struct hci_dev *hdev, int new_alts)
1579{
1580 struct btusb_data *data = hci_get_drvdata(hdev);
1581 int err;
1582
1583 if (data->isoc_altsetting != new_alts) {
1584 unsigned long flags;
1585
1586 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1587 usb_kill_anchored_urbs(&data->isoc_anchor);
1588
1589 /* When isochronous alternate setting needs to be
1590 * changed, because SCO connection has been added
1591 * or removed, a packet fragment may be left in the
1592 * reassembling state. This could lead to wrongly
1593 * assembled fragments.
1594 *
1595 * Clear outstanding fragment when selecting a new
1596 * alternate setting.
1597 */
1598 spin_lock_irqsave(&data->rxlock, flags);
1599 kfree_skb(data->sco_skb);
1600 data->sco_skb = NULL;
1601 spin_unlock_irqrestore(&data->rxlock, flags);
1602
1603 err = __set_isoc_interface(hdev, new_alts);
1604 if (err < 0)
1605 return err;
1606 }
1607
1608 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
1609 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
1610 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1611 else
1612 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
1613 }
1614
1615 return 0;
1616}
1617
1618static struct usb_host_interface *btusb_find_altsetting(struct btusb_data *data,
1619 int alt)
1620{
1621 struct usb_interface *intf = data->isoc;
1622 int i;
1623
1624 BT_DBG("Looking for Alt no :%d", alt);
1625
Sathish Narasimmanfcd156ee2020-04-08 10:57:03 +0530[diff] [blame]1626 if (!intf)
1627 return NULL;
1628
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]1629 for (i = 0; i < intf->num_altsetting; i++) {
1630 if (intf->altsetting[i].desc.bAlternateSetting == alt)
1631 return &intf->altsetting[i];
1632 }
1633
1634 return NULL;
1635}
1636
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1637static void btusb_work(struct work_struct *work)
1638{
1639 struct btusb_data *data = container_of(work, struct btusb_data, work);
1640 struct hci_dev *hdev = data->hdev;
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]1641 int new_alts = 0;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1642 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1643
Marcel Holtmann014f7bc2013-10-10 09:47:55 -0700[diff] [blame]1644 if (data->sco_num > 0) {
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]1645 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
Oliver Neukum8efdd0c2011-02-11 13:00:06 +0100[diff] [blame]1646 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1647 if (err < 0) {
1648 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1649 usb_kill_anchored_urbs(&data->isoc_anchor);
1650 return;
1651 }
1652
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]1653 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1654 }
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1655
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]1656 if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_CVSD) {
1657 if (hdev->voice_setting & 0x0020) {
1658 static const int alts[3] = { 2, 4, 5 };
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1659
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]1660 new_alts = alts[data->sco_num - 1];
1661 } else {
1662 new_alts = data->sco_num;
1663 }
1664 } else if (data->air_mode == HCI_NOTIFY_ENABLE_SCO_TRANSP) {
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1665
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]1666 data->usb_alt6_packet_flow = true;
Kuba Pawlakf6fc86f2015-10-28 15:18:05 +0100[diff] [blame]1667
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]1668 /* Check if Alt 6 is supported for Transparent audio */
1669 if (btusb_find_altsetting(data, 6))
1670 new_alts = 6;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1671 else
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]1672 bt_dev_err(hdev, "Device does not support ALT setting 6");
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1673 }
Sathish Narasimmanbaac6272020-04-03 21:43:59 +0200[diff] [blame]1674
1675 if (btusb_switch_alt_setting(hdev, new_alts) < 0)
1676 bt_dev_err(hdev, "set USB alt:(%d) failed!", new_alts);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1677 } else {
1678 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1679 usb_kill_anchored_urbs(&data->isoc_anchor);
1680
1681 __set_isoc_interface(hdev, 0);
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]1682 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
Oliver Neukum8efdd0c2011-02-11 13:00:06 +0100[diff] [blame]1683 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1684 }
1685}
1686
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1687static void btusb_waker(struct work_struct *work)
1688{
1689 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1690 int err;
1691
1692 err = usb_autopm_get_interface(data->intf);
1693 if (err < 0)
1694 return;
1695
1696 usb_autopm_put_interface(data->intf);
1697}
1698
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]1699static int btusb_setup_bcm92035(struct hci_dev *hdev)
1700{
1701 struct sk_buff *skb;
1702 u8 val = 0x00;
1703
1704 BT_DBG("%s", hdev->name);
1705
1706 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1707 if (IS_ERR(skb))
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1708 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb));
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]1709 else
1710 kfree_skb(skb);
1711
1712 return 0;
1713}
1714
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1715static int btusb_setup_csr(struct hci_dev *hdev)
1716{
1717 struct hci_rp_read_local_version *rp;
1718 struct sk_buff *skb;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1719
1720 BT_DBG("%s", hdev->name);
1721
Marcel Holtmann7cd84d72015-06-07 10:01:02 +0200[diff] [blame]1722 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1723 HCI_INIT_TIMEOUT);
1724 if (IS_ERR(skb)) {
1725 int err = PTR_ERR(skb);
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1726 bt_dev_err(hdev, "CSR: Local version failed (%d)", err);
Marcel Holtmann7cd84d72015-06-07 10:01:02 +0200[diff] [blame]1727 return err;
1728 }
1729
1730 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1731 bt_dev_err(hdev, "CSR: Local version length mismatch");
Marcel Holtmann7cd84d72015-06-07 10:01:02 +0200[diff] [blame]1732 kfree_skb(skb);
1733 return -EIO;
1734 }
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1735
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1736 rp = (struct hci_rp_read_local_version *)skb->data;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1737
Johan Hedberg6cafcd92015-08-30 21:47:21 +0300[diff] [blame]1738 /* Detect controllers which aren't real CSR ones. */
1739 if (le16_to_cpu(rp->manufacturer) != 10 ||
1740 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
Marcel Holtmann9641d342015-06-07 10:01:01 +0200[diff] [blame]1741 /* Clear the reset quirk since this is not an actual
1742 * early Bluetooth 1.1 device from CSR.
1743 */
1744 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1745
Marcel Holtmann9641d342015-06-07 10:01:01 +0200[diff] [blame]1746 /* These fake CSR controllers have all a broken
1747 * stored link key handling and so just disable it.
1748 */
1749 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1750 }
1751
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1752 kfree_skb(skb);
1753
Marcel Holtmann9641d342015-06-07 10:01:01 +0200[diff] [blame]1754 return 0;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1755}
1756
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1757static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1758 struct intel_version *ver)
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1759{
1760 const struct firmware *fw;
1761 char fwname[64];
1762 int ret;
1763
1764 snprintf(fwname, sizeof(fwname),
1765 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1766 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1767 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1768 ver->fw_build_ww, ver->fw_build_yy);
1769
1770 ret = request_firmware(&fw, fwname, &hdev->dev);
1771 if (ret < 0) {
1772 if (ret == -EINVAL) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1773 bt_dev_err(hdev, "Intel firmware file request failed (%d)",
1774 ret);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1775 return NULL;
1776 }
1777
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1778 bt_dev_err(hdev, "failed to open Intel firmware file: %s (%d)",
1779 fwname, ret);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1780
1781 /* If the correct firmware patch file is not found, use the
1782 * default firmware patch file instead
1783 */
1784 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1785 ver->hw_platform, ver->hw_variant);
1786 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1787 bt_dev_err(hdev, "failed to open default fw file: %s",
1788 fwname);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1789 return NULL;
1790 }
1791 }
1792
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1793 bt_dev_info(hdev, "Intel Bluetooth firmware file: %s", fwname);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1794
1795 return fw;
1796}
1797
1798static int btusb_setup_intel_patching(struct hci_dev *hdev,
1799 const struct firmware *fw,
1800 const u8 **fw_ptr, int *disable_patch)
1801{
1802 struct sk_buff *skb;
1803 struct hci_command_hdr *cmd;
1804 const u8 *cmd_param;
1805 struct hci_event_hdr *evt = NULL;
1806 const u8 *evt_param = NULL;
1807 int remain = fw->size - (*fw_ptr - fw->data);
1808
1809 /* The first byte indicates the types of the patch command or event.
1810 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1811 * in the current firmware buffer doesn't start with 0x01 or
1812 * the size of remain buffer is smaller than HCI command header,
1813 * the firmware file is corrupted and it should stop the patching
1814 * process.
1815 */
1816 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1817 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd read");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1818 return -EINVAL;
1819 }
1820 (*fw_ptr)++;
1821 remain--;
1822
1823 cmd = (struct hci_command_hdr *)(*fw_ptr);
1824 *fw_ptr += sizeof(*cmd);
1825 remain -= sizeof(*cmd);
1826
1827 /* Ensure that the remain firmware data is long enough than the length
1828 * of command parameter. If not, the firmware file is corrupted.
1829 */
1830 if (remain < cmd->plen) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1831 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd len");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1832 return -EFAULT;
1833 }
1834
1835 /* If there is a command that loads a patch in the firmware
1836 * file, then enable the patch upon success, otherwise just
1837 * disable the manufacturer mode, for example patch activation
1838 * is not required when the default firmware patch file is used
1839 * because there are no patch data to load.
1840 */
1841 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1842 *disable_patch = 0;
1843
1844 cmd_param = *fw_ptr;
1845 *fw_ptr += cmd->plen;
1846 remain -= cmd->plen;
1847
1848 /* This reads the expected events when the above command is sent to the
1849 * device. Some vendor commands expects more than one events, for
1850 * example command status event followed by vendor specific event.
1851 * For this case, it only keeps the last expected event. so the command
1852 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1853 * last expected event.
1854 */
1855 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1856 (*fw_ptr)++;
1857 remain--;
1858
1859 evt = (struct hci_event_hdr *)(*fw_ptr);
1860 *fw_ptr += sizeof(*evt);
1861 remain -= sizeof(*evt);
1862
1863 if (remain < evt->plen) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1864 bt_dev_err(hdev, "Intel fw corrupted: invalid evt len");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1865 return -EFAULT;
1866 }
1867
1868 evt_param = *fw_ptr;
1869 *fw_ptr += evt->plen;
1870 remain -= evt->plen;
1871 }
1872
1873 /* Every HCI commands in the firmware file has its correspond event.
1874 * If event is not found or remain is smaller than zero, the firmware
1875 * file is corrupted.
1876 */
1877 if (!evt || !evt_param || remain < 0) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1878 bt_dev_err(hdev, "Intel fw corrupted: invalid evt read");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1879 return -EFAULT;
1880 }
1881
1882 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1883 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1884 if (IS_ERR(skb)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1885 bt_dev_err(hdev, "sending Intel patch command (0x%4.4x) failed (%ld)",
1886 cmd->opcode, PTR_ERR(skb));
Adam Leed9c78e92013-07-10 10:02:12 +0800[diff] [blame]1887 return PTR_ERR(skb);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1888 }
1889
1890 /* It ensures that the returned event matches the event data read from
1891 * the firmware file. At fist, it checks the length and then
1892 * the contents of the event.
1893 */
1894 if (skb->len != evt->plen) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1895 bt_dev_err(hdev, "mismatch event length (opcode 0x%4.4x)",
1896 le16_to_cpu(cmd->opcode));
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1897 kfree_skb(skb);
1898 return -EFAULT;
1899 }
1900
1901 if (memcmp(skb->data, evt_param, evt->plen)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1902 bt_dev_err(hdev, "mismatch event parameter (opcode 0x%4.4x)",
1903 le16_to_cpu(cmd->opcode));
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1904 kfree_skb(skb);
1905 return -EFAULT;
1906 }
1907 kfree_skb(skb);
1908
1909 return 0;
1910}
1911
1912static int btusb_setup_intel(struct hci_dev *hdev)
1913{
1914 struct sk_buff *skb;
1915 const struct firmware *fw;
1916 const u8 *fw_ptr;
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1917 int disable_patch, err;
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1918 struct intel_version ver;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1919
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1920 BT_DBG("%s", hdev->name);
1921
1922 /* The controller has a bug with the first HCI command sent to it
1923 * returning number of completed commands as zero. This would stall the
1924 * command processing in the Bluetooth core.
1925 *
1926 * As a workaround, send HCI Reset command first which will reset the
1927 * number of completed commands and allow normal command processing
1928 * from now on.
1929 */
1930 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1931 if (IS_ERR(skb)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1932 bt_dev_err(hdev, "sending initial HCI reset command failed (%ld)",
1933 PTR_ERR(skb));
Adam Leed9c78e92013-07-10 10:02:12 +0800[diff] [blame]1934 return PTR_ERR(skb);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1935 }
1936 kfree_skb(skb);
1937
1938 /* Read Intel specific controller version first to allow selection of
1939 * which firmware file to load.
1940 *
1941 * The returned information are hardware variant and revision plus
1942 * firmware variant, revision and build number.
1943 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1944 err = btintel_read_version(hdev, &ver);
1945 if (err)
1946 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1947
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1948 bt_dev_info(hdev, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1949 ver.hw_platform, ver.hw_variant, ver.hw_revision,
1950 ver.fw_variant, ver.fw_revision, ver.fw_build_num,
1951 ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1952
1953 /* fw_patch_num indicates the version of patch the device currently
1954 * have. If there is no patch data in the device, it is always 0x00.
Minjune Kim5075eda2015-08-27 13:21:52 +0900[diff] [blame]1955 * So, if it is other than 0x00, no need to patch the device again.
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1956 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1957 if (ver.fw_patch_num) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1958 bt_dev_info(hdev, "Intel device is already patched. "
1959 "patch num: %02x", ver.fw_patch_num);
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1960 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1961 }
1962
1963 /* Opens the firmware patch file based on the firmware version read
1964 * from the controller. If it fails to open the matching firmware
1965 * patch file, it tries to open the default firmware patch file.
1966 * If no patch file is found, allow the device to operate without
1967 * a patch.
1968 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1969 fw = btusb_setup_intel_get_fw(hdev, &ver);
1970 if (!fw)
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1971 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1972 fw_ptr = fw->data;
1973
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1974 /* Enable the manufacturer mode of the controller.
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1975 * Only while this mode is enabled, the driver can download the
1976 * firmware patch data and configuration parameters.
1977 */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1978 err = btintel_enter_mfg(hdev);
1979 if (err) {
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1980 release_firmware(fw);
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1981 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1982 }
1983
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1984 disable_patch = 1;
1985
1986 /* The firmware data file consists of list of Intel specific HCI
1987 * commands and its expected events. The first byte indicates the
1988 * type of the message, either HCI command or HCI event.
1989 *
1990 * It reads the command and its expected event from the firmware file,
1991 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1992 * the returned event is compared with the event read from the firmware
1993 * file and it will continue until all the messages are downloaded to
1994 * the controller.
1995 *
1996 * Once the firmware patching is completed successfully,
1997 * the manufacturer mode is disabled with reset and activating the
1998 * downloaded patch.
1999 *
2000 * If the firmware patching fails, the manufacturer mode is
2001 * disabled with reset and deactivating the patch.
2002 *
2003 * If the default patch file is used, no reset is done when disabling
2004 * the manufacturer.
2005 */
2006 while (fw->size > fw_ptr - fw->data) {
2007 int ret;
2008
2009 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
2010 &disable_patch);
2011 if (ret < 0)
2012 goto exit_mfg_deactivate;
2013 }
2014
2015 release_firmware(fw);
2016
2017 if (disable_patch)
2018 goto exit_mfg_disable;
2019
2020 /* Patching completed successfully and disable the manufacturer mode
2021 * with reset and activate the downloaded firmware patches.
2022 */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]2023 err = btintel_exit_mfg(hdev, true, true);
2024 if (err)
2025 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]2026
Sukumar Ghorai905d7b12020-03-16 11:37:18 +0530[diff] [blame]2027 /* Need build number for downloaded fw patches in
2028 * every power-on boot
2029 */
2030 err = btintel_read_version(hdev, &ver);
2031 if (err)
2032 return err;
2033 bt_dev_info(hdev, "Intel BT fw patch 0x%02x completed & activated",
2034 ver.fw_patch_num);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]2035
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]2036 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]2037
2038exit_mfg_disable:
2039 /* Disable the manufacturer mode without reset */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]2040 err = btintel_exit_mfg(hdev, false, false);
2041 if (err)
2042 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]2043
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2044 bt_dev_info(hdev, "Intel firmware patch completed");
Marcel Holtmann40cb0982014-07-02 12:06:45 +0200[diff] [blame]2045
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]2046 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]2047
2048exit_mfg_deactivate:
2049 release_firmware(fw);
2050
2051 /* Patching failed. Disable the manufacturer mode with reset and
2052 * deactivate the downloaded firmware patches.
2053 */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]2054 err = btintel_exit_mfg(hdev, true, false);
2055 if (err)
2056 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]2057
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2058 bt_dev_info(hdev, "Intel firmware patch completed and deactivated");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]2059
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]2060complete:
2061 /* Set the event mask for Intel specific vendor events. This enables
2062 * a few extra events that are useful during general operation.
2063 */
2064 btintel_set_event_mask_mfg(hdev, false);
2065
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]2066 btintel_check_bdaddr(hdev);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]2067 return 0;
2068}
2069
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2070static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
2071{
2072 struct sk_buff *skb;
2073 struct hci_event_hdr *hdr;
2074 struct hci_ev_cmd_complete *evt;
2075
Jia-Ju Baicf07e342018-07-23 11:38:51 +0800[diff] [blame]2076 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2077 if (!skb)
2078 return -ENOMEM;
2079
Johannes Berg4df864c2017-06-16 14:29:21 +0200[diff] [blame]2080 hdr = skb_put(skb, sizeof(*hdr));
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2081 hdr->evt = HCI_EV_CMD_COMPLETE;
2082 hdr->plen = sizeof(*evt) + 1;
2083
Johannes Berg4df864c2017-06-16 14:29:21 +0200[diff] [blame]2084 evt = skb_put(skb, sizeof(*evt));
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2085 evt->ncmd = 0x01;
2086 evt->opcode = cpu_to_le16(opcode);
2087
Johannes Berg634fef62017-06-16 14:29:24 +0200[diff] [blame]2088 skb_put_u8(skb, 0x00);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2089
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]2090 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2091
2092 return hci_recv_frame(hdev, skb);
2093}
2094
2095static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
2096 int count)
2097{
2098 /* When the device is in bootloader mode, then it can send
2099 * events via the bulk endpoint. These events are treated the
2100 * same way as the ones received from the interrupt endpoint.
2101 */
2102 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
2103 return btusb_recv_intr(data, buffer, count);
2104
2105 return btusb_recv_bulk(data, buffer, count);
2106}
2107
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2108static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
2109 unsigned int len)
2110{
2111 const struct intel_bootup *evt = ptr;
2112
2113 if (len != sizeof(*evt))
2114 return;
2115
Andrea Parridff6d592018-11-27 12:22:25 +0100[diff] [blame]2116 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags))
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2117 wake_up_bit(&data->flags, BTUSB_BOOTING);
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2118}
2119
2120static void btusb_intel_secure_send_result(struct btusb_data *data,
2121 const void *ptr, unsigned int len)
2122{
2123 const struct intel_secure_send_result *evt = ptr;
2124
2125 if (len != sizeof(*evt))
2126 return;
2127
2128 if (evt->result)
2129 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
2130
2131 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
Andrea Parridff6d592018-11-27 12:22:25 +0100[diff] [blame]2132 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags))
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2133 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2134}
2135
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2136static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
2137{
2138 struct btusb_data *data = hci_get_drvdata(hdev);
2139
2140 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
2141 struct hci_event_hdr *hdr = (void *)skb->data;
2142
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2143 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
2144 hdr->plen > 0) {
2145 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
2146 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2147
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2148 switch (skb->data[2]) {
2149 case 0x02:
2150 /* When switching to the operational firmware
2151 * the device sends a vendor specific event
2152 * indicating that the bootup completed.
2153 */
2154 btusb_intel_bootup(data, ptr, len);
2155 break;
2156 case 0x06:
2157 /* When the firmware loading completes the
2158 * device sends out a vendor specific event
2159 * indicating the result of the firmware
2160 * loading.
2161 */
2162 btusb_intel_secure_send_result(data, ptr, len);
2163 break;
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2164 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2165 }
2166 }
2167
2168 return hci_recv_frame(hdev, skb);
2169}
2170
2171static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
2172{
2173 struct btusb_data *data = hci_get_drvdata(hdev);
2174 struct urb *urb;
2175
2176 BT_DBG("%s", hdev->name);
2177
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]2178 switch (hci_skb_pkt_type(skb)) {
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2179 case HCI_COMMAND_PKT:
2180 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
2181 struct hci_command_hdr *cmd = (void *)skb->data;
2182 __u16 opcode = le16_to_cpu(cmd->opcode);
2183
2184 /* When in bootloader mode and the command 0xfc09
2185 * is received, it needs to be send down the
2186 * bulk endpoint. So allocate a bulk URB instead.
2187 */
2188 if (opcode == 0xfc09)
2189 urb = alloc_bulk_urb(hdev, skb);
2190 else
2191 urb = alloc_ctrl_urb(hdev, skb);
2192
2193 /* When the 0xfc01 command is issued to boot into
2194 * the operational firmware, it will actually not
2195 * send a command complete event. To keep the flow
2196 * control working inject that event here.
2197 */
2198 if (opcode == 0xfc01)
2199 inject_cmd_complete(hdev, opcode);
2200 } else {
2201 urb = alloc_ctrl_urb(hdev, skb);
2202 }
2203 if (IS_ERR(urb))
2204 return PTR_ERR(urb);
2205
2206 hdev->stat.cmd_tx++;
2207 return submit_or_queue_tx_urb(hdev, urb);
2208
2209 case HCI_ACLDATA_PKT:
2210 urb = alloc_bulk_urb(hdev, skb);
2211 if (IS_ERR(urb))
2212 return PTR_ERR(urb);
2213
2214 hdev->stat.acl_tx++;
2215 return submit_or_queue_tx_urb(hdev, urb);
2216
2217 case HCI_SCODATA_PKT:
2218 if (hci_conn_num(hdev, SCO_LINK) < 1)
2219 return -ENODEV;
2220
2221 urb = alloc_isoc_urb(hdev, skb);
2222 if (IS_ERR(urb))
2223 return PTR_ERR(urb);
2224
2225 hdev->stat.sco_tx++;
2226 return submit_tx_urb(hdev, urb);
2227 }
2228
2229 return -EILSEQ;
2230}
2231
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2232static bool btusb_setup_intel_new_get_fw_name(struct intel_version *ver,
2233 struct intel_boot_params *params,
2234 char *fw_name, size_t len,
2235 const char *suffix)
2236{
2237 switch (ver->hw_variant) {
2238 case 0x0b: /* SfP */
2239 case 0x0c: /* WsP */
2240 snprintf(fw_name, len, "intel/ibt-%u-%u.%s",
2241 le16_to_cpu(ver->hw_variant),
2242 le16_to_cpu(params->dev_revid),
2243 suffix);
2244 break;
2245 case 0x11: /* JfP */
2246 case 0x12: /* ThP */
2247 case 0x13: /* HrP */
2248 case 0x14: /* CcP */
2249 snprintf(fw_name, len, "intel/ibt-%u-%u-%u.%s",
2250 le16_to_cpu(ver->hw_variant),
2251 le16_to_cpu(ver->hw_revision),
2252 le16_to_cpu(ver->fw_revision),
2253 suffix);
2254 break;
2255 default:
2256 return false;
2257 }
2258 return true;
2259}
2260
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2261static int btusb_setup_intel_new(struct hci_dev *hdev)
2262{
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2263 struct btusb_data *data = hci_get_drvdata(hdev);
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2264 struct intel_version ver;
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2265 struct intel_boot_params params;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2266 const struct firmware *fw;
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2267 u32 boot_param;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2268 char fwname[64];
2269 ktime_t calltime, delta, rettime;
2270 unsigned long long duration;
2271 int err;
2272
2273 BT_DBG("%s", hdev->name);
2274
Tedd Ho-Jeong An04d729b2018-01-24 09:19:19 -0800[diff] [blame]2275 /* Set the default boot parameter to 0x0 and it is updated to
2276 * SKU specific boot parameter after reading Intel_Write_Boot_Params
2277 * command while downloading the firmware.
2278 */
2279 boot_param = 0x00000000;
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2280
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2281 calltime = ktime_get();
2282
2283 /* Read the Intel version information to determine if the device
2284 * is in bootloader mode or if it already has operational firmware
2285 * loaded.
2286 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2287 err = btintel_read_version(hdev, &ver);
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2288 if (err) {
2289 bt_dev_err(hdev, "Intel Read version failed (%d)", err);
2290 btintel_reset_to_bootloader(hdev);
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2291 return err;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2292 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2293
2294 /* The hardware platform number has a fixed value of 0x37 and
2295 * for now only accept this single value.
2296 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2297 if (ver.hw_platform != 0x37) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2298 bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)",
2299 ver.hw_platform);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2300 return -EINVAL;
2301 }
2302
Tedd Ho-Jeong An92688342017-03-06 15:38:26 -0800[diff] [blame]2303 /* Check for supported iBT hardware variants of this firmware
2304 * loading method.
Tedd Ho-Jeong Ana0af53b2016-05-06 11:53:46 -0700[diff] [blame]2305 *
2306 * This check has been put in place to ensure correct forward
2307 * compatibility options when newer hardware variants come along.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2308 */
Tedd Ho-Jeong An92688342017-03-06 15:38:26 -0800[diff] [blame]2309 switch (ver.hw_variant) {
2310 case 0x0b: /* SfP */
2311 case 0x0c: /* WsP */
Tedd Ho-Jeong An86a61292017-05-01 13:35:12 -0700[diff] [blame]2312 case 0x11: /* JfP */
Marcel Holtmannde766142017-03-06 15:38:28 -0800[diff] [blame]2313 case 0x12: /* ThP */
Tedd Ho-Jeong An1ce0cec2018-02-05 14:20:36 -0800[diff] [blame]2314 case 0x13: /* HrP */
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2315 case 0x14: /* CcP */
Tedd Ho-Jeong An92688342017-03-06 15:38:26 -0800[diff] [blame]2316 break;
2317 default:
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2318 bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
2319 ver.hw_variant);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2320 return -EINVAL;
2321 }
2322
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2323 btintel_version_info(hdev, &ver);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2324
2325 /* The firmware variant determines if the device is in bootloader
2326 * mode or is running operational firmware. The value 0x06 identifies
2327 * the bootloader and the value 0x23 identifies the operational
2328 * firmware.
2329 *
2330 * When the operational firmware is already present, then only
2331 * the check for valid Bluetooth device address is needed. This
2332 * determines if the device will be added as configured or
2333 * unconfigured controller.
2334 *
2335 * It is not possible to use the Secure Boot Parameters in this
2336 * case since that command is only available in bootloader mode.
2337 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2338 if (ver.fw_variant == 0x23) {
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2339 clear_bit(BTUSB_BOOTLOADER, &data->flags);
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]2340 btintel_check_bdaddr(hdev);
Marcel Holtmann7fd673b2020-04-03 21:44:02 +0200[diff] [blame]2341 goto finish;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2342 }
2343
2344 /* If the device is not in bootloader mode, then the only possible
2345 * choice is to return an error and abort the device initialization.
2346 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2347 if (ver.fw_variant != 0x06) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2348 bt_dev_err(hdev, "Unsupported Intel firmware variant (%u)",
2349 ver.fw_variant);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2350 return -ENODEV;
2351 }
2352
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2353 /* Read the secure boot parameters to identify the operating
2354 * details of the bootloader.
2355 */
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2356 err = btintel_read_boot_params(hdev, &params);
2357 if (err)
2358 return err;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2359
2360 /* It is required that every single firmware fragment is acknowledged
2361 * with a command complete event. If the boot parameters indicate
2362 * that this bootloader does not send them, then abort the setup.
2363 */
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2364 if (params.limited_cce != 0x00) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2365 bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)",
2366 params.limited_cce);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2367 return -EINVAL;
2368 }
2369
2370 /* If the OTP has no valid Bluetooth device address, then there will
2371 * also be no valid address for the operational firmware.
2372 */
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2373 if (!bacmp(&params.otp_bdaddr, BDADDR_ANY)) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2374 bt_dev_info(hdev, "No device address configured");
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2375 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2376 }
2377
2378 /* With this Intel bootloader only the hardware variant and device
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2379 * revision information are used to select the right firmware for SfP
2380 * and WsP.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2381 *
Tedd Ho-Jeong An230b04a2016-06-28 08:56:39 -0700[diff] [blame]2382 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
2383 *
2384 * Currently the supported hardware variants are:
2385 * 11 (0x0b) for iBT3.0 (LnP/SfP)
2386 * 12 (0x0c) for iBT3.5 (WsP)
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2387 *
2388 * For ThP/JfP and for future SKU's, the FW name varies based on HW
2389 * variant, HW revision and FW revision, as these are dependent on CNVi
2390 * and RF Combination.
2391 *
Tedd Ho-Jeong An86a61292017-05-01 13:35:12 -0700[diff] [blame]2392 * 17 (0x11) for iBT3.5 (JfP)
2393 * 18 (0x12) for iBT3.5 (ThP)
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2394 *
2395 * The firmware file name for these will be
2396 * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi.
2397 *
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2398 */
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2399 err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
2400 sizeof(fwname), "sfi");
2401 if (!err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2402 bt_dev_err(hdev, "Unsupported Intel firmware naming");
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2403 return -EINVAL;
2404 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2405
2406 err = request_firmware(&fw, fwname, &hdev->dev);
2407 if (err < 0) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2408 bt_dev_err(hdev, "Failed to load Intel firmware file (%d)", err);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2409 return err;
2410 }
2411
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2412 bt_dev_info(hdev, "Found device firmware: %s", fwname);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2413
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2414 /* Save the DDC file name for later use to apply once the firmware
2415 * downloading is done.
2416 */
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2417 err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
2418 sizeof(fwname), "ddc");
2419 if (!err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2420 bt_dev_err(hdev, "Unsupported Intel firmware naming");
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2421 return -EINVAL;
2422 }
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2423
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2424 if (fw->size < 644) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2425 bt_dev_err(hdev, "Invalid size of firmware file (%zu)",
2426 fw->size);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2427 err = -EBADF;
2428 goto done;
2429 }
2430
2431 set_bit(BTUSB_DOWNLOADING, &data->flags);
2432
Tedd Ho-Jeong Anfbbe83c2018-01-24 09:19:21 -0800[diff] [blame]2433 /* Start firmware downloading and get boot parameter */
2434 err = btintel_download_firmware(hdev, fw, &boot_param);
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2435 if (err < 0) {
2436 /* When FW download fails, send Intel Reset to retry
2437 * FW download.
2438 */
2439 btintel_reset_to_bootloader(hdev);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2440 goto done;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2441 }
Marcel Holtmannce6bb922015-01-28 01:58:40 -0800[diff] [blame]2442 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2443
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2444 bt_dev_info(hdev, "Waiting for firmware download to complete");
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2445
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2446 /* Before switching the device into operational mode and with that
2447 * booting the loaded firmware, wait for the bootloader notification
2448 * that all fragments have been successfully received.
2449 *
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2450 * When the event processing receives the notification, then the
2451 * BTUSB_DOWNLOADING flag will be cleared.
2452 *
2453 * The firmware loading should not take longer than 5 seconds
2454 * and thus just timeout if that happens and fail the setup
2455 * of this device.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2456 */
Johan Hedberg129a7692015-02-14 09:33:35 +0200[diff] [blame]2457 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2458 TASK_INTERRUPTIBLE,
2459 msecs_to_jiffies(5000));
Bart Van Asschef0a70a02016-08-11 16:02:44 -0700[diff] [blame]2460 if (err == -EINTR) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2461 bt_dev_err(hdev, "Firmware loading interrupted");
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2462 goto done;
2463 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2464
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2465 if (err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2466 bt_dev_err(hdev, "Firmware loading timeout");
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2467 err = -ETIMEDOUT;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2468 btintel_reset_to_bootloader(hdev);
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2469 goto done;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2470 }
2471
2472 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2473 bt_dev_err(hdev, "Firmware loading failed");
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2474 err = -ENOEXEC;
2475 goto done;
2476 }
2477
2478 rettime = ktime_get();
2479 delta = ktime_sub(rettime, calltime);
2480 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2481
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2482 bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2483
2484done:
2485 release_firmware(fw);
2486
2487 if (err < 0)
2488 return err;
2489
2490 calltime = ktime_get();
2491
2492 set_bit(BTUSB_BOOTING, &data->flags);
2493
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2494 err = btintel_send_intel_reset(hdev, boot_param);
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2495 if (err) {
2496 bt_dev_err(hdev, "Intel Soft Reset failed (%d)", err);
2497 btintel_reset_to_bootloader(hdev);
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2498 return err;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2499 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2500
2501 /* The bootloader will not indicate when the device is ready. This
2502 * is done by the operational firmware sending bootup notification.
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2503 *
2504 * Booting into operational firmware should not take longer than
2505 * 1 second. However if that happens, then just fail the setup
2506 * since something went wrong.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2507 */
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2508 bt_dev_info(hdev, "Waiting for device to boot");
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2509
Johan Hedberg129a7692015-02-14 09:33:35 +0200[diff] [blame]2510 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2511 TASK_INTERRUPTIBLE,
2512 msecs_to_jiffies(1000));
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2513
Bart Van Asschef0a70a02016-08-11 16:02:44 -0700[diff] [blame]2514 if (err == -EINTR) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2515 bt_dev_err(hdev, "Device boot interrupted");
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2516 return -EINTR;
2517 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2518
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2519 if (err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2520 bt_dev_err(hdev, "Device boot timeout");
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2521 btintel_reset_to_bootloader(hdev);
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2522 return -ETIMEDOUT;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2523 }
2524
2525 rettime = ktime_get();
2526 delta = ktime_sub(rettime, calltime);
2527 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2528
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2529 bt_dev_info(hdev, "Device booted in %llu usecs", duration);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2530
2531 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2532
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2533 /* Once the device is running in operational mode, it needs to apply
2534 * the device configuration (DDC) parameters.
2535 *
2536 * The device can work without DDC parameters, so even if it fails
2537 * to load the file, no need to fail the setup.
2538 */
Loic Poulaine924d3d2015-09-04 17:54:36 +0200[diff] [blame]2539 btintel_load_ddc_config(hdev, fwname);
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2540
Marcel Holtmann7fd673b2020-04-03 21:44:02 +0200[diff] [blame]2541 /* Read the Intel version information after loading the FW */
2542 err = btintel_read_version(hdev, &ver);
2543 if (err)
2544 return err;
2545
2546 btintel_version_info(hdev, &ver);
2547
2548finish:
Miao-chen Choufc045902020-04-03 21:44:03 +0200[diff] [blame]2549 /* All Intel controllers that support the Microsoft vendor
2550 * extension are using 0xFC1E for VsMsftOpCode.
2551 */
2552 switch (ver.hw_variant) {
2553 case 0x12: /* ThP */
2554 hci_set_msft_opcode(hdev, 0xFC1E);
2555 break;
2556 }
2557
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]2558 /* Set the event mask for Intel specific vendor events. This enables
2559 * a few extra events that are useful during general operation. It
2560 * does not enable any debugging related events.
2561 *
2562 * The device will function correctly without these events enabled
2563 * and thus no need to fail the setup.
2564 */
2565 btintel_set_event_mask(hdev, false);
2566
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2567 return 0;
2568}
2569
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]2570static int btusb_shutdown_intel(struct hci_dev *hdev)
2571{
2572 struct sk_buff *skb;
2573 long ret;
2574
Amit K Bag1313bcc2018-08-03 12:43:20 +0530[diff] [blame]2575 /* In the shutdown sequence where Bluetooth is turned off followed
2576 * by WiFi being turned off, turning WiFi back on causes issue with
2577 * the RF calibration.
2578 *
2579 * To ensure that any RF activity has been stopped, issue HCI Reset
2580 * command to clear all ongoing activity including advertising,
2581 * scanning etc.
2582 */
2583 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
2584 if (IS_ERR(skb)) {
2585 ret = PTR_ERR(skb);
2586 bt_dev_err(hdev, "HCI reset during shutdown failed");
2587 return ret;
2588 }
2589 kfree_skb(skb);
2590
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]2591 /* Some platforms have an issue with BT LED when the interface is
2592 * down or BT radio is turned off, which takes 5 seconds to BT LED
2593 * goes off. This command turns off the BT LED immediately.
2594 */
2595 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2596 if (IS_ERR(skb)) {
2597 ret = PTR_ERR(skb);
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2598 bt_dev_err(hdev, "turning off Intel device LED failed");
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]2599 return ret;
2600 }
2601 kfree_skb(skb);
2602
2603 return 0;
2604}
2605
Raghuram Hegde017a01c2019-01-29 17:54:48 +0530[diff] [blame]2606static int btusb_shutdown_intel_new(struct hci_dev *hdev)
2607{
2608 struct sk_buff *skb;
2609
2610 /* Send HCI Reset to the controller to stop any BT activity which
2611 * were triggered. This will help to save power and maintain the
2612 * sync b/w Host and controller
2613 */
2614 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
2615 if (IS_ERR(skb)) {
2616 bt_dev_err(hdev, "HCI reset during shutdown failed");
2617 return PTR_ERR(skb);
2618 }
2619 kfree_skb(skb);
2620
2621 return 0;
2622}
2623
Sean Wang9ce67c32019-06-02 08:02:49 +0800[diff] [blame]2624#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2625#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
2626
2627#define HCI_WMT_MAX_EVENT_SIZE 64
2628
2629enum {
2630 BTMTK_WMT_PATCH_DWNLD = 0x1,
2631 BTMTK_WMT_FUNC_CTRL = 0x6,
2632 BTMTK_WMT_RST = 0x7,
2633 BTMTK_WMT_SEMAPHORE = 0x17,
2634};
2635
2636enum {
2637 BTMTK_WMT_INVALID,
2638 BTMTK_WMT_PATCH_UNDONE,
2639 BTMTK_WMT_PATCH_DONE,
2640 BTMTK_WMT_ON_UNDONE,
2641 BTMTK_WMT_ON_DONE,
2642 BTMTK_WMT_ON_PROGRESS,
2643};
2644
2645struct btmtk_wmt_hdr {
2646 u8 dir;
2647 u8 op;
2648 __le16 dlen;
2649 u8 flag;
2650} __packed;
2651
2652struct btmtk_hci_wmt_cmd {
2653 struct btmtk_wmt_hdr hdr;
2654 u8 data[256];
2655} __packed;
2656
2657struct btmtk_hci_wmt_evt {
2658 struct hci_event_hdr hhdr;
2659 struct btmtk_wmt_hdr whdr;
2660} __packed;
2661
2662struct btmtk_hci_wmt_evt_funcc {
2663 struct btmtk_hci_wmt_evt hwhdr;
2664 __be16 status;
2665} __packed;
2666
2667struct btmtk_tci_sleep {
2668 u8 mode;
2669 __le16 duration;
2670 __le16 host_duration;
2671 u8 host_wakeup_pin;
2672 u8 time_compensation;
2673} __packed;
2674
2675struct btmtk_hci_wmt_params {
2676 u8 op;
2677 u8 flag;
2678 u16 dlen;
2679 const void *data;
2680 u32 *status;
2681};
2682
2683static void btusb_mtk_wmt_recv(struct urb *urb)
2684{
2685 struct hci_dev *hdev = urb->context;
2686 struct btusb_data *data = hci_get_drvdata(hdev);
2687 struct hci_event_hdr *hdr;
2688 struct sk_buff *skb;
2689 int err;
2690
2691 if (urb->status == 0 && urb->actual_length > 0) {
2692 hdev->stat.byte_rx += urb->actual_length;
2693
2694 /* WMT event shouldn't be fragmented and the size should be
2695 * less than HCI_WMT_MAX_EVENT_SIZE.
2696 */
2697 skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
2698 if (!skb) {
2699 hdev->stat.err_rx++;
2700 goto err_out;
2701 }
2702
2703 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
2704 skb_put_data(skb, urb->transfer_buffer, urb->actual_length);
2705
2706 hdr = (void *)skb->data;
2707 /* Fix up the vendor event id with 0xff for vendor specific
2708 * instead of 0xe4 so that event send via monitoring socket can
2709 * be parsed properly.
2710 */
2711 hdr->evt = 0xff;
2712
2713 /* When someone waits for the WMT event, the skb is being cloned
2714 * and being processed the events from there then.
2715 */
2716 if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) {
Johan Hovold22cc6b72019-11-28 19:24:27 +0100[diff] [blame]2717 data->evt_skb = skb_clone(skb, GFP_ATOMIC);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2718 if (!data->evt_skb)
2719 goto err_out;
2720 }
2721
2722 err = hci_recv_frame(hdev, skb);
2723 if (err < 0)
2724 goto err_free_skb;
2725
2726 if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT,
2727 &data->flags)) {
2728 /* Barrier to sync with other CPUs */
2729 smp_mb__after_atomic();
2730 wake_up_bit(&data->flags,
2731 BTUSB_TX_WAIT_VND_EVT);
2732 }
2733err_out:
2734 return;
2735err_free_skb:
2736 kfree_skb(data->evt_skb);
2737 data->evt_skb = NULL;
2738 return;
2739 } else if (urb->status == -ENOENT) {
2740 /* Avoid suspend failed when usb_kill_urb */
2741 return;
2742 }
2743
2744 usb_mark_last_busy(data->udev);
2745
2746 /* The URB complete handler is still called with urb->actual_length = 0
2747 * when the event is not available, so we should keep re-submitting
2748 * URB until WMT event returns, Also, It's necessary to wait some time
2749 * between the two consecutive control URBs to relax the target device
2750 * to generate the event. Otherwise, the WMT event cannot return from
2751 * the device successfully.
2752 */
2753 udelay(100);
2754
2755 usb_anchor_urb(urb, &data->ctrl_anchor);
2756 err = usb_submit_urb(urb, GFP_ATOMIC);
2757 if (err < 0) {
2758 /* -EPERM: urb is being killed;
2759 * -ENODEV: device got disconnected
2760 */
2761 if (err != -EPERM && err != -ENODEV)
2762 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
2763 urb, -err);
2764 usb_unanchor_urb(urb);
2765 }
2766}
2767
2768static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev)
2769{
2770 struct btusb_data *data = hci_get_drvdata(hdev);
2771 struct usb_ctrlrequest *dr;
2772 unsigned char *buf;
2773 int err, size = 64;
2774 unsigned int pipe;
2775 struct urb *urb;
2776
2777 urb = usb_alloc_urb(0, GFP_KERNEL);
2778 if (!urb)
2779 return -ENOMEM;
2780
2781 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
2782 if (!dr) {
2783 usb_free_urb(urb);
2784 return -ENOMEM;
2785 }
2786
2787 dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
2788 dr->bRequest = 1;
2789 dr->wIndex = cpu_to_le16(0);
2790 dr->wValue = cpu_to_le16(48);
2791 dr->wLength = cpu_to_le16(size);
2792
2793 buf = kmalloc(size, GFP_KERNEL);
2794 if (!buf) {
2795 kfree(dr);
2796 return -ENOMEM;
2797 }
2798
2799 pipe = usb_rcvctrlpipe(data->udev, 0);
2800
2801 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
2802 buf, size, btusb_mtk_wmt_recv, hdev);
2803
2804 urb->transfer_flags |= URB_FREE_BUFFER;
2805
2806 usb_anchor_urb(urb, &data->ctrl_anchor);
2807 err = usb_submit_urb(urb, GFP_KERNEL);
2808 if (err < 0) {
2809 if (err != -EPERM && err != -ENODEV)
2810 bt_dev_err(hdev, "urb %p submission failed (%d)",
2811 urb, -err);
2812 usb_unanchor_urb(urb);
2813 }
2814
2815 usb_free_urb(urb);
2816
2817 return err;
2818}
2819
2820static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
2821 struct btmtk_hci_wmt_params *wmt_params)
2822{
2823 struct btusb_data *data = hci_get_drvdata(hdev);
2824 struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
2825 u32 hlen, status = BTMTK_WMT_INVALID;
2826 struct btmtk_hci_wmt_evt *wmt_evt;
2827 struct btmtk_hci_wmt_cmd wc;
2828 struct btmtk_wmt_hdr *hdr;
2829 int err;
2830
2831 /* Submit control IN URB on demand to process the WMT event */
2832 err = btusb_mtk_submit_wmt_recv_urb(hdev);
2833 if (err < 0)
2834 return err;
2835
2836 /* Send the WMT command and wait until the WMT event returns */
2837 hlen = sizeof(*hdr) + wmt_params->dlen;
2838 if (hlen > 255)
2839 return -EINVAL;
2840
2841 hdr = (struct btmtk_wmt_hdr *)&wc;
2842 hdr->dir = 1;
2843 hdr->op = wmt_params->op;
2844 hdr->dlen = cpu_to_le16(wmt_params->dlen + 1);
2845 hdr->flag = wmt_params->flag;
2846 memcpy(wc.data, wmt_params->data, wmt_params->dlen);
2847
2848 set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2849
2850 err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc);
2851
2852 if (err < 0) {
2853 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2854 return err;
2855 }
2856
2857 /* The vendor specific WMT commands are all answered by a vendor
2858 * specific event and will have the Command Status or Command
2859 * Complete as with usual HCI command flow control.
2860 *
2861 * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT
2862 * state to be cleared. The driver specific event receive routine
2863 * will clear that state and with that indicate completion of the
2864 * WMT command.
2865 */
2866 err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT,
2867 TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT);
2868 if (err == -EINTR) {
2869 bt_dev_err(hdev, "Execution of wmt command interrupted");
2870 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2871 return err;
2872 }
2873
2874 if (err) {
2875 bt_dev_err(hdev, "Execution of wmt command timed out");
2876 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2877 return -ETIMEDOUT;
2878 }
2879
2880 /* Parse and handle the return WMT event */
2881 wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data;
2882 if (wmt_evt->whdr.op != hdr->op) {
2883 bt_dev_err(hdev, "Wrong op received %d expected %d",
2884 wmt_evt->whdr.op, hdr->op);
2885 err = -EIO;
2886 goto err_free_skb;
2887 }
2888
2889 switch (wmt_evt->whdr.op) {
2890 case BTMTK_WMT_SEMAPHORE:
2891 if (wmt_evt->whdr.flag == 2)
2892 status = BTMTK_WMT_PATCH_UNDONE;
2893 else
2894 status = BTMTK_WMT_PATCH_DONE;
2895 break;
2896 case BTMTK_WMT_FUNC_CTRL:
2897 wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt;
2898 if (be16_to_cpu(wmt_evt_funcc->status) == 0x404)
2899 status = BTMTK_WMT_ON_DONE;
2900 else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420)
2901 status = BTMTK_WMT_ON_PROGRESS;
2902 else
2903 status = BTMTK_WMT_ON_UNDONE;
2904 break;
2905 }
2906
2907 if (wmt_params->status)
2908 *wmt_params->status = status;
2909
2910err_free_skb:
2911 kfree_skb(data->evt_skb);
2912 data->evt_skb = NULL;
2913
2914 return err;
2915}
2916
2917static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
2918{
2919 struct btmtk_hci_wmt_params wmt_params;
2920 const struct firmware *fw;
2921 const u8 *fw_ptr;
2922 size_t fw_size;
2923 int err, dlen;
2924 u8 flag;
2925
2926 err = request_firmware(&fw, fwname, &hdev->dev);
2927 if (err < 0) {
2928 bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
2929 return err;
2930 }
2931
2932 fw_ptr = fw->data;
2933 fw_size = fw->size;
2934
2935 /* The size of patch header is 30 bytes, should be skip */
Wei Yongjun5ee63102019-07-10 06:12:22 +0000[diff] [blame]2936 if (fw_size < 30) {
2937 err = -EINVAL;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2938 goto err_release_fw;
Wei Yongjun5ee63102019-07-10 06:12:22 +0000[diff] [blame]2939 }
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2940
2941 fw_size -= 30;
2942 fw_ptr += 30;
2943 flag = 1;
2944
2945 wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
2946 wmt_params.status = NULL;
2947
2948 while (fw_size > 0) {
2949 dlen = min_t(int, 250, fw_size);
2950
2951 /* Tell deivice the position in sequence */
2952 if (fw_size - dlen <= 0)
2953 flag = 3;
2954 else if (fw_size < fw->size - 30)
2955 flag = 2;
2956
2957 wmt_params.flag = flag;
2958 wmt_params.dlen = dlen;
2959 wmt_params.data = fw_ptr;
2960
2961 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2962 if (err < 0) {
2963 bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
2964 err);
2965 goto err_release_fw;
2966 }
2967
2968 fw_size -= dlen;
2969 fw_ptr += dlen;
2970 }
2971
2972 wmt_params.op = BTMTK_WMT_RST;
2973 wmt_params.flag = 4;
2974 wmt_params.dlen = 0;
2975 wmt_params.data = NULL;
2976 wmt_params.status = NULL;
2977
2978 /* Activate funciton the firmware providing to */
2979 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2980 if (err < 0) {
2981 bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
Colin Ian King3168c192019-11-29 17:36:35 +0000[diff] [blame]2982 goto err_release_fw;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2983 }
2984
2985 /* Wait a few moments for firmware activation done */
2986 usleep_range(10000, 12000);
2987
2988err_release_fw:
2989 release_firmware(fw);
2990
2991 return err;
2992}
2993
2994static int btusb_mtk_func_query(struct hci_dev *hdev)
2995{
2996 struct btmtk_hci_wmt_params wmt_params;
2997 int status, err;
2998 u8 param = 0;
2999
3000 /* Query whether the function is enabled */
3001 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3002 wmt_params.flag = 4;
3003 wmt_params.dlen = sizeof(param);
3004 wmt_params.data = &param;
3005 wmt_params.status = &status;
3006
3007 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3008 if (err < 0) {
3009 bt_dev_err(hdev, "Failed to query function status (%d)", err);
3010 return err;
3011 }
3012
3013 return status;
3014}
3015
3016static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val)
3017{
3018 int pipe, err, size = sizeof(u32);
3019 void *buf;
3020
3021 buf = kzalloc(size, GFP_KERNEL);
3022 if (!buf)
3023 return -ENOMEM;
3024
3025 pipe = usb_rcvctrlpipe(data->udev, 0);
3026 err = usb_control_msg(data->udev, pipe, 0x63,
3027 USB_TYPE_VENDOR | USB_DIR_IN,
3028 reg >> 16, reg & 0xffff,
3029 buf, size, USB_CTRL_SET_TIMEOUT);
3030 if (err < 0)
3031 goto err_free_buf;
3032
3033 *val = get_unaligned_le32(buf);
3034
3035err_free_buf:
3036 kfree(buf);
3037
3038 return err;
3039}
3040
3041static int btusb_mtk_id_get(struct btusb_data *data, u32 *id)
3042{
3043 return btusb_mtk_reg_read(data, 0x80000008, id);
3044}
3045
3046static int btusb_mtk_setup(struct hci_dev *hdev)
3047{
3048 struct btusb_data *data = hci_get_drvdata(hdev);
3049 struct btmtk_hci_wmt_params wmt_params;
3050 ktime_t calltime, delta, rettime;
3051 struct btmtk_tci_sleep tci_sleep;
3052 unsigned long long duration;
3053 struct sk_buff *skb;
3054 const char *fwname;
3055 int err, status;
3056 u32 dev_id;
3057 u8 param;
3058
3059 calltime = ktime_get();
3060
3061 err = btusb_mtk_id_get(data, &dev_id);
3062 if (err < 0) {
3063 bt_dev_err(hdev, "Failed to get device id (%d)", err);
3064 return err;
3065 }
3066
3067 switch (dev_id) {
Sean Wang9ce67c32019-06-02 08:02:49 +0800[diff] [blame]3068 case 0x7663:
3069 fwname = FIRMWARE_MT7663;
3070 break;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3071 case 0x7668:
3072 fwname = FIRMWARE_MT7668;
3073 break;
3074 default:
3075 bt_dev_err(hdev, "Unsupported support hardware variant (%08x)",
3076 dev_id);
3077 return -ENODEV;
3078 }
3079
3080 /* Query whether the firmware is already download */
3081 wmt_params.op = BTMTK_WMT_SEMAPHORE;
3082 wmt_params.flag = 1;
3083 wmt_params.dlen = 0;
3084 wmt_params.data = NULL;
3085 wmt_params.status = &status;
3086
3087 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3088 if (err < 0) {
3089 bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
3090 return err;
3091 }
3092
3093 if (status == BTMTK_WMT_PATCH_DONE) {
3094 bt_dev_info(hdev, "firmware already downloaded");
3095 goto ignore_setup_fw;
3096 }
3097
3098 /* Setup a firmware which the device definitely requires */
3099 err = btusb_mtk_setup_firmware(hdev, fwname);
3100 if (err < 0)
3101 return err;
3102
3103ignore_setup_fw:
3104 err = readx_poll_timeout(btusb_mtk_func_query, hdev, status,
3105 status < 0 || status != BTMTK_WMT_ON_PROGRESS,
3106 2000, 5000000);
3107 /* -ETIMEDOUT happens */
3108 if (err < 0)
3109 return err;
3110
3111 /* The other errors happen in btusb_mtk_func_query */
3112 if (status < 0)
3113 return status;
3114
3115 if (status == BTMTK_WMT_ON_DONE) {
3116 bt_dev_info(hdev, "function already on");
3117 goto ignore_func_on;
3118 }
3119
3120 /* Enable Bluetooth protocol */
3121 param = 1;
3122 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3123 wmt_params.flag = 0;
3124 wmt_params.dlen = sizeof(param);
3125 wmt_params.data = &param;
3126 wmt_params.status = NULL;
3127
3128 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3129 if (err < 0) {
3130 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3131 return err;
3132 }
3133
3134ignore_func_on:
3135 /* Apply the low power environment setup */
3136 tci_sleep.mode = 0x5;
3137 tci_sleep.duration = cpu_to_le16(0x640);
3138 tci_sleep.host_duration = cpu_to_le16(0x640);
3139 tci_sleep.host_wakeup_pin = 0;
3140 tci_sleep.time_compensation = 0;
3141
3142 skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
3143 HCI_INIT_TIMEOUT);
3144 if (IS_ERR(skb)) {
3145 err = PTR_ERR(skb);
3146 bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
3147 return err;
3148 }
3149 kfree_skb(skb);
3150
3151 rettime = ktime_get();
3152 delta = ktime_sub(rettime, calltime);
3153 duration = (unsigned long long)ktime_to_ns(delta) >> 10;
3154
3155 bt_dev_info(hdev, "Device setup in %llu usecs", duration);
3156
3157 return 0;
3158}
3159
3160static int btusb_mtk_shutdown(struct hci_dev *hdev)
3161{
3162 struct btmtk_hci_wmt_params wmt_params;
3163 u8 param = 0;
3164 int err;
3165
3166 /* Disable the device */
3167 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3168 wmt_params.flag = 0;
3169 wmt_params.dlen = sizeof(param);
3170 wmt_params.data = &param;
3171 wmt_params.status = NULL;
3172
3173 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3174 if (err < 0) {
3175 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3176 return err;
3177 }
3178
3179 return 0;
3180}
3181
Sean Wang9ce67c32019-06-02 08:02:49 +0800[diff] [blame]3182MODULE_FIRMWARE(FIRMWARE_MT7663);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3183MODULE_FIRMWARE(FIRMWARE_MT7668);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3184
Rajat Jaina4ccc9e2017-02-01 14:24:10 -0800[diff] [blame]3185#ifdef CONFIG_PM
3186/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
3187static int marvell_config_oob_wake(struct hci_dev *hdev)
3188{
3189 struct sk_buff *skb;
3190 struct btusb_data *data = hci_get_drvdata(hdev);
3191 struct device *dev = &data->udev->dev;
3192 u16 pin, gap, opcode;
3193 int ret;
3194 u8 cmd[5];
3195
3196 /* Move on if no wakeup pin specified */
3197 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
3198 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
3199 return 0;
3200
3201 /* Vendor specific command to configure a GPIO as wake-up pin */
3202 opcode = hci_opcode_pack(0x3F, 0x59);
3203 cmd[0] = opcode & 0xFF;
3204 cmd[1] = opcode >> 8;
3205 cmd[2] = 2; /* length of parameters that follow */
3206 cmd[3] = pin;
3207 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */
3208
3209 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
3210 if (!skb) {
3211 bt_dev_err(hdev, "%s: No memory\n", __func__);
3212 return -ENOMEM;
3213 }
3214
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]3215 skb_put_data(skb, cmd, sizeof(cmd));
Rajat Jaina4ccc9e2017-02-01 14:24:10 -0800[diff] [blame]3216 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
3217
3218 ret = btusb_send_frame(hdev, skb);
3219 if (ret) {
3220 bt_dev_err(hdev, "%s: configuration failed\n", __func__);
3221 kfree_skb(skb);
3222 return ret;
3223 }
3224
3225 return 0;
3226}
3227#endif
3228
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]3229static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
3230 const bdaddr_t *bdaddr)
3231{
3232 struct sk_buff *skb;
3233 u8 buf[8];
3234 long ret;
3235
3236 buf[0] = 0xfe;
3237 buf[1] = sizeof(bdaddr_t);
3238 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
3239
3240 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3241 if (IS_ERR(skb)) {
3242 ret = PTR_ERR(skb);
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3243 bt_dev_err(hdev, "changing Marvell device address failed (%ld)",
3244 ret);
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]3245 return ret;
3246 }
3247 kfree_skb(skb);
3248
3249 return 0;
3250}
3251
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3252static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
3253 const bdaddr_t *bdaddr)
3254{
3255 struct sk_buff *skb;
3256 u8 buf[10];
3257 long ret;
3258
3259 buf[0] = 0x01;
3260 buf[1] = 0x01;
3261 buf[2] = 0x00;
3262 buf[3] = sizeof(bdaddr_t);
3263 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
3264
3265 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3266 if (IS_ERR(skb)) {
3267 ret = PTR_ERR(skb);
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3268 bt_dev_err(hdev, "Change address command failed (%ld)", ret);
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3269 return ret;
3270 }
3271 kfree_skb(skb);
3272
3273 return 0;
3274}
3275
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3276#define QCA_DFU_PACKET_LEN 4096
3277
3278#define QCA_GET_TARGET_VERSION 0x09
3279#define QCA_CHECK_STATUS 0x05
3280#define QCA_DFU_DOWNLOAD 0x01
3281
3282#define QCA_SYSCFG_UPDATED 0x40
3283#define QCA_PATCH_UPDATED 0x80
3284#define QCA_DFU_TIMEOUT 3000
3285
3286struct qca_version {
3287 __le32 rom_version;
3288 __le32 patch_version;
3289 __le32 ram_version;
3290 __le32 ref_clock;
3291 __u8 reserved[4];
3292} __packed;
3293
3294struct qca_rampatch_version {
3295 __le16 rom_version;
3296 __le16 patch_version;
3297} __packed;
3298
3299struct qca_device_info {
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3300 u32 rom_version;
3301 u8 rampatch_hdr; /* length of header in rampatch */
3302 u8 nvm_hdr; /* length of header in NVM */
3303 u8 ver_offset; /* offset of version structure in rampatch */
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3304};
3305
3306static const struct qca_device_info qca_devices_table[] = {
3307 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
3308 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
Chan-yeol Park7f6e6362015-05-21 11:24:27 +0900[diff] [blame]3309 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3310 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
3311 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
3312 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
3313};
3314
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3315static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3316 void *data, u16 size)
3317{
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3318 int pipe, err;
3319 u8 *buf;
3320
3321 buf = kmalloc(size, GFP_KERNEL);
3322 if (!buf)
3323 return -ENOMEM;
3324
3325 /* Found some of USB hosts have IOT issues with ours so that we should
3326 * not wait until HCI layer is ready.
3327 */
3328 pipe = usb_rcvctrlpipe(udev, 0);
3329 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
3330 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3331 if (err < 0) {
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3332 dev_err(&udev->dev, "Failed to access otp area (%d)", err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3333 goto done;
3334 }
3335
3336 memcpy(data, buf, size);
3337
3338done:
3339 kfree(buf);
3340
3341 return err;
3342}
3343
3344static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
3345 const struct firmware *firmware,
3346 size_t hdr_size)
3347{
3348 struct btusb_data *btdata = hci_get_drvdata(hdev);
3349 struct usb_device *udev = btdata->udev;
3350 size_t count, size, sent = 0;
3351 int pipe, len, err;
3352 u8 *buf;
3353
3354 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
3355 if (!buf)
3356 return -ENOMEM;
3357
3358 count = firmware->size;
3359
3360 size = min_t(size_t, count, hdr_size);
3361 memcpy(buf, firmware->data, size);
3362
3363 /* USB patches should go down to controller through USB path
3364 * because binary format fits to go down through USB channel.
3365 * USB control path is for patching headers and USB bulk is for
3366 * patch body.
3367 */
3368 pipe = usb_sndctrlpipe(udev, 0);
3369 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
3370 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3371 if (err < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3372 bt_dev_err(hdev, "Failed to send headers (%d)", err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3373 goto done;
3374 }
3375
3376 sent += size;
3377 count -= size;
3378
3379 while (count) {
3380 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
3381
3382 memcpy(buf, firmware->data + sent, size);
3383
3384 pipe = usb_sndbulkpipe(udev, 0x02);
3385 err = usb_bulk_msg(udev, pipe, buf, size, &len,
3386 QCA_DFU_TIMEOUT);
3387 if (err < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3388 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)",
3389 sent, firmware->size, err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3390 break;
3391 }
3392
3393 if (size != len) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3394 bt_dev_err(hdev, "Failed to get bulk buffer");
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3395 err = -EILSEQ;
3396 break;
3397 }
3398
3399 sent += size;
3400 count -= size;
3401 }
3402
3403done:
3404 kfree(buf);
3405 return err;
3406}
3407
3408static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
3409 struct qca_version *ver,
3410 const struct qca_device_info *info)
3411{
3412 struct qca_rampatch_version *rver;
3413 const struct firmware *fw;
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3414 u32 ver_rom, ver_patch;
3415 u16 rver_rom, rver_patch;
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3416 char fwname[64];
3417 int err;
3418
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3419 ver_rom = le32_to_cpu(ver->rom_version);
3420 ver_patch = le32_to_cpu(ver->patch_version);
3421
3422 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3423
3424 err = request_firmware(&fw, fwname, &hdev->dev);
3425 if (err) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3426 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)",
3427 fwname, err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3428 return err;
3429 }
3430
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3431 bt_dev_info(hdev, "using rampatch file: %s", fwname);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3432
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3433 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
3434 rver_rom = le16_to_cpu(rver->rom_version);
3435 rver_patch = le16_to_cpu(rver->patch_version);
3436
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3437 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
3438 "firmware rome 0x%x build 0x%x",
3439 rver_rom, rver_patch, ver_rom, ver_patch);
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3440
3441 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3442 bt_dev_err(hdev, "rampatch file version did not match with firmware");
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3443 err = -EINVAL;
3444 goto done;
3445 }
3446
3447 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
3448
3449done:
3450 release_firmware(fw);
3451
3452 return err;
3453}
3454
3455static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
3456 struct qca_version *ver,
3457 const struct qca_device_info *info)
3458{
3459 const struct firmware *fw;
3460 char fwname[64];
3461 int err;
3462
3463 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
3464 le32_to_cpu(ver->rom_version));
3465
3466 err = request_firmware(&fw, fwname, &hdev->dev);
3467 if (err) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3468 bt_dev_err(hdev, "failed to request NVM file: %s (%d)",
3469 fwname, err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3470 return err;
3471 }
3472
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3473 bt_dev_info(hdev, "using NVM file: %s", fwname);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3474
3475 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
3476
3477 release_firmware(fw);
3478
3479 return err;
3480}
3481
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3482/* identify the ROM version and check whether patches are needed */
3483static bool btusb_qca_need_patch(struct usb_device *udev)
3484{
3485 struct qca_version ver;
3486
3487 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
3488 sizeof(ver)) < 0)
3489 return false;
3490 /* only low ROM versions need patches */
3491 return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
3492}
3493
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3494static int btusb_setup_qca(struct hci_dev *hdev)
3495{
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3496 struct btusb_data *btdata = hci_get_drvdata(hdev);
3497 struct usb_device *udev = btdata->udev;
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3498 const struct qca_device_info *info = NULL;
3499 struct qca_version ver;
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3500 u32 ver_rom;
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3501 u8 status;
3502 int i, err;
3503
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3504 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
Marcel Holtmanneb500422015-04-16 23:15:50 +0200[diff] [blame]3505 sizeof(ver));
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3506 if (err < 0)
3507 return err;
3508
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3509 ver_rom = le32_to_cpu(ver.rom_version);
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3510 /* Don't care about high ROM versions */
3511 if (ver_rom & ~0xffffU)
3512 return 0;
3513
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3514 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3515 if (ver_rom == qca_devices_table[i].rom_version)
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3516 info = &qca_devices_table[i];
3517 }
3518 if (!info) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3519 bt_dev_err(hdev, "don't support firmware rome 0x%x", ver_rom);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3520 return -ENODEV;
3521 }
3522
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3523 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3524 sizeof(status));
3525 if (err < 0)
3526 return err;
3527
3528 if (!(status & QCA_PATCH_UPDATED)) {
3529 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
3530 if (err < 0)
3531 return err;
3532 }
3533
3534 if (!(status & QCA_SYSCFG_UPDATED)) {
3535 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
3536 if (err < 0)
3537 return err;
3538 }
3539
3540 return 0;
3541}
3542
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3543static inline int __set_diag_interface(struct hci_dev *hdev)
3544{
3545 struct btusb_data *data = hci_get_drvdata(hdev);
3546 struct usb_interface *intf = data->diag;
3547 int i;
3548
3549 if (!data->diag)
3550 return -ENODEV;
3551
3552 data->diag_tx_ep = NULL;
3553 data->diag_rx_ep = NULL;
3554
3555 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3556 struct usb_endpoint_descriptor *ep_desc;
3557
3558 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3559
3560 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
3561 data->diag_tx_ep = ep_desc;
3562 continue;
3563 }
3564
3565 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
3566 data->diag_rx_ep = ep_desc;
3567 continue;
3568 }
3569 }
3570
3571 if (!data->diag_tx_ep || !data->diag_rx_ep) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3572 bt_dev_err(hdev, "invalid diagnostic descriptors");
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3573 return -ENODEV;
3574 }
3575
3576 return 0;
3577}
3578
3579static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
3580{
3581 struct btusb_data *data = hci_get_drvdata(hdev);
3582 struct sk_buff *skb;
3583 struct urb *urb;
3584 unsigned int pipe;
3585
3586 if (!data->diag_tx_ep)
3587 return ERR_PTR(-ENODEV);
3588
3589 urb = usb_alloc_urb(0, GFP_KERNEL);
3590 if (!urb)
3591 return ERR_PTR(-ENOMEM);
3592
3593 skb = bt_skb_alloc(2, GFP_KERNEL);
3594 if (!skb) {
3595 usb_free_urb(urb);
3596 return ERR_PTR(-ENOMEM);
3597 }
3598
Johannes Berg634fef62017-06-16 14:29:24 +0200[diff] [blame]3599 skb_put_u8(skb, 0xf0);
3600 skb_put_u8(skb, enable);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3601
3602 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
3603
3604 usb_fill_bulk_urb(urb, data->udev, pipe,
3605 skb->data, skb->len, btusb_tx_complete, skb);
3606
3607 skb->dev = (void *)hdev;
3608
3609 return urb;
3610}
3611
3612static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
3613{
3614 struct btusb_data *data = hci_get_drvdata(hdev);
3615 struct urb *urb;
3616
3617 if (!data->diag)
3618 return -ENODEV;
3619
3620 if (!test_bit(HCI_RUNNING, &hdev->flags))
3621 return -ENETDOWN;
3622
3623 urb = alloc_diag_urb(hdev, enable);
3624 if (IS_ERR(urb))
3625 return PTR_ERR(urb);
3626
3627 return submit_or_queue_tx_urb(hdev, urb);
3628}
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3629
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3630#ifdef CONFIG_PM
3631static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
3632{
3633 struct btusb_data *data = priv;
3634
3635 pm_wakeup_event(&data->udev->dev, 0);
Jeffy Chen017789f2017-02-24 14:24:29 +0800[diff] [blame]3636 pm_system_wakeup();
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3637
3638 /* Disable only if not already disabled (keep it balanced) */
3639 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
3640 disable_irq_nosync(irq);
3641 disable_irq_wake(irq);
3642 }
3643 return IRQ_HANDLED;
3644}
3645
3646static const struct of_device_id btusb_match_table[] = {
3647 { .compatible = "usb1286,204e" },
Brian Norris4c409af2019-02-22 14:53:43 -0800[diff] [blame]3648 { .compatible = "usbcf3,e300" }, /* QCA6174A */
3649 { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3650 { }
3651};
3652MODULE_DEVICE_TABLE(of, btusb_match_table);
3653
3654/* Use an oob wakeup pin? */
3655static int btusb_config_oob_wake(struct hci_dev *hdev)
3656{
3657 struct btusb_data *data = hci_get_drvdata(hdev);
3658 struct device *dev = &data->udev->dev;
3659 int irq, ret;
3660
3661 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
3662
3663 if (!of_match_device(btusb_match_table, dev))
3664 return 0;
3665
3666 /* Move on if no IRQ specified */
3667 irq = of_irq_get_byname(dev->of_node, "wakeup");
3668 if (irq <= 0) {
3669 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
3670 return 0;
3671 }
3672
Brian Norris771acc72019-04-09 11:49:17 -0700[diff] [blame]3673 irq_set_status_flags(irq, IRQ_NOAUTOEN);
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3674 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
3675 0, "OOB Wake-on-BT", data);
3676 if (ret) {
3677 bt_dev_err(hdev, "%s: IRQ request failed", __func__);
3678 return ret;
3679 }
3680
3681 ret = device_init_wakeup(dev, true);
3682 if (ret) {
3683 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
3684 return ret;
3685 }
3686
3687 data->oob_wake_irq = irq;
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3688 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
3689 return 0;
3690}
3691#endif
3692
Hans de Goedefc549102018-04-27 11:26:43 +0200[diff] [blame]3693static void btusb_check_needs_reset_resume(struct usb_interface *intf)
3694{
3695 if (dmi_check_system(btusb_needs_reset_resume_table))
3696 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
3697}
3698
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3699static int btusb_probe(struct usb_interface *intf,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]3700 const struct usb_device_id *id)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3701{
3702 struct usb_endpoint_descriptor *ep_desc;
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3703 struct gpio_desc *reset_gpio;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3704 struct btusb_data *data;
3705 struct hci_dev *hdev;
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3706 unsigned ifnum_base;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3707 int i, err;
3708
3709 BT_DBG("intf %p id %p", intf, id);
3710
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3711 /* interface numbers are hardcoded in the spec */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3712 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
3713 if (!(id->driver_info & BTUSB_IFNUM_2))
3714 return -ENODEV;
3715 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
3716 return -ENODEV;
3717 }
3718
3719 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3720
3721 if (!id->driver_info) {
3722 const struct usb_device_id *match;
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]3723
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3724 match = usb_match_id(intf, blacklist_table);
3725 if (match)
3726 id = match;
3727 }
3728
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3729 if (id->driver_info == BTUSB_IGNORE)
3730 return -ENODEV;
3731
Steven.Li2d25f8b2011-07-01 14:02:36 +0800[diff] [blame]3732 if (id->driver_info & BTUSB_ATH3012) {
3733 struct usb_device *udev = interface_to_usbdev(intf);
3734
3735 /* Old firmware would otherwise let ath3k driver load
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]3736 * patch and sysconfig files
3737 */
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3738 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
3739 !btusb_qca_need_patch(udev))
Steven.Li2d25f8b2011-07-01 14:02:36 +0800[diff] [blame]3740 return -ENODEV;
3741 }
3742
Sachin Kamat98921db2012-07-27 12:38:39 +0530[diff] [blame]3743 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3744 if (!data)
3745 return -ENOMEM;
3746
3747 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3748 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3749
3750 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
3751 data->intr_ep = ep_desc;
3752 continue;
3753 }
3754
3755 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
3756 data->bulk_tx_ep = ep_desc;
3757 continue;
3758 }
3759
3760 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
3761 data->bulk_rx_ep = ep_desc;
3762 continue;
3763 }
3764 }
3765
Sachin Kamat98921db2012-07-27 12:38:39 +0530[diff] [blame]3766 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3767 return -ENODEV;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3768
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3769 if (id->driver_info & BTUSB_AMP) {
3770 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
3771 data->cmdreq = 0x2b;
3772 } else {
3773 data->cmdreq_type = USB_TYPE_CLASS;
3774 data->cmdreq = 0x00;
3775 }
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3776
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3777 data->udev = interface_to_usbdev(intf);
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]3778 data->intf = intf;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3779
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3780 INIT_WORK(&data->work, btusb_work);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]3781 INIT_WORK(&data->waker, btusb_waker);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]3782 init_usb_anchor(&data->deferred);
3783 init_usb_anchor(&data->tx_anchor);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]3784 spin_lock_init(&data->txlock);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3785
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3786 init_usb_anchor(&data->intr_anchor);
3787 init_usb_anchor(&data->bulk_anchor);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3788 init_usb_anchor(&data->isoc_anchor);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3789 init_usb_anchor(&data->diag_anchor);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3790 init_usb_anchor(&data->ctrl_anchor);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]3791 spin_lock_init(&data->rxlock);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3792
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3793 if (id->driver_info & BTUSB_INTEL_NEW) {
3794 data->recv_event = btusb_recv_event_intel;
3795 data->recv_bulk = btusb_recv_bulk_intel;
3796 set_bit(BTUSB_BOOTLOADER, &data->flags);
3797 } else {
3798 data->recv_event = hci_recv_frame;
3799 data->recv_bulk = btusb_recv_bulk;
3800 }
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]3801
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3802 hdev = hci_alloc_dev();
Sachin Kamat98921db2012-07-27 12:38:39 +0530[diff] [blame]3803 if (!hdev)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3804 return -ENOMEM;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3805
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100[diff] [blame]3806 hdev->bus = HCI_USB;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]3807 hci_set_drvdata(hdev, data);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3808
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3809 if (id->driver_info & BTUSB_AMP)
3810 hdev->dev_type = HCI_AMP;
3811 else
Marcel Holtmannca8bee52016-07-05 14:30:14 +0200[diff] [blame]3812 hdev->dev_type = HCI_PRIMARY;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3813
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3814 data->hdev = hdev;
3815
3816 SET_HCIDEV_DEV(hdev, &intf->dev);
3817
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3818 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset",
3819 GPIOD_OUT_LOW);
3820 if (IS_ERR(reset_gpio)) {
3821 err = PTR_ERR(reset_gpio);
3822 goto out_free_dev;
3823 } else if (reset_gpio) {
3824 data->reset_gpio = reset_gpio;
3825 }
3826
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]3827 hdev->open = btusb_open;
3828 hdev->close = btusb_close;
3829 hdev->flush = btusb_flush;
3830 hdev->send = btusb_send_frame;
3831 hdev->notify = btusb_notify;
3832
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3833#ifdef CONFIG_PM
3834 err = btusb_config_oob_wake(hdev);
3835 if (err)
3836 goto out_free_dev;
Rajat Jaina4ccc9e2017-02-01 14:24:10 -0800[diff] [blame]3837
3838 /* Marvell devices may need a specific chip configuration */
3839 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
3840 err = marvell_config_oob_wake(hdev);
3841 if (err)
3842 goto out_free_dev;
3843 }
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3844#endif
Szymon Janc418678b2016-09-01 17:22:37 +0200[diff] [blame]3845 if (id->driver_info & BTUSB_CW6622)
3846 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3847
Marcel Holtmann6c9d4352015-10-17 14:39:27 +0200[diff] [blame]3848 if (id->driver_info & BTUSB_BCM2045)
3849 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3850
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]3851 if (id->driver_info & BTUSB_BCM92035)
3852 hdev->setup = btusb_setup_bcm92035;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3853
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]3854 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
3855 (id->driver_info & BTUSB_BCM_PATCHRAM)) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3856 hdev->manufacturer = 15;
Marcel Holtmannc2bfb102015-04-05 22:52:14 -0700[diff] [blame]3857 hdev->setup = btbcm_setup_patchram;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3858 hdev->set_diag = btusb_bcm_set_diag;
Marcel Holtmann1df1f592015-04-05 22:52:11 -0700[diff] [blame]3859 hdev->set_bdaddr = btbcm_set_bdaddr;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3860
3861 /* Broadcom LM_DIAG Interface numbers are hardcoded */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3862 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
Marcel Holtmannabbaf502014-07-02 00:53:48 +0200[diff] [blame]3863 }
Petri Gynther10d4c672014-05-08 15:50:01 -0700[diff] [blame]3864
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]3865 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
3866 (id->driver_info & BTUSB_BCM_APPLE)) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3867 hdev->manufacturer = 15;
Marcel Holtmannc2bfb102015-04-05 22:52:14 -0700[diff] [blame]3868 hdev->setup = btbcm_setup_apple;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3869 hdev->set_diag = btusb_bcm_set_diag;
3870
3871 /* Broadcom LM_DIAG Interface numbers are hardcoded */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3872 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3873 }
Marcel Holtmann17b27722015-03-22 15:52:38 +0100[diff] [blame]3874
Marcel Holtmanncb8d6592014-07-02 11:25:25 +0200[diff] [blame]3875 if (id->driver_info & BTUSB_INTEL) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3876 hdev->manufacturer = 2;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]3877 hdev->setup = btusb_setup_intel;
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]3878 hdev->shutdown = btusb_shutdown_intel;
Marcel Holtmann3e247672015-10-17 16:00:28 +0200[diff] [blame]3879 hdev->set_diag = btintel_set_diag_mfg;
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]3880 hdev->set_bdaddr = btintel_set_bdaddr;
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3881 hdev->cmd_timeout = btusb_intel_cmd_timeout;
Jakub Pawlowskic33fb9b2015-01-30 18:55:58 -0800[diff] [blame]3882 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
Jakub Pawlowskic1154842015-03-17 09:04:16 -0700[diff] [blame]3883 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Marcel Holtmann3e247672015-10-17 16:00:28 +0200[diff] [blame]3884 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
Marcel Holtmanncb8d6592014-07-02 11:25:25 +0200[diff] [blame]3885 }
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]3886
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3887 if (id->driver_info & BTUSB_INTEL_NEW) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3888 hdev->manufacturer = 2;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3889 hdev->send = btusb_send_frame_intel;
3890 hdev->setup = btusb_setup_intel_new;
Raghuram Hegde017a01c2019-01-29 17:54:48 +0530[diff] [blame]3891 hdev->shutdown = btusb_shutdown_intel_new;
Marcel Holtmanneeb6abe2015-07-05 14:37:39 +0200[diff] [blame]3892 hdev->hw_error = btintel_hw_error;
Marcel Holtmann6d2e50d2015-10-09 14:42:08 +0200[diff] [blame]3893 hdev->set_diag = btintel_set_diag;
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]3894 hdev->set_bdaddr = btintel_set_bdaddr;
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3895 hdev->cmd_timeout = btusb_intel_cmd_timeout;
Marcel Holtmannb970c5b2015-02-01 23:57:18 -0800[diff] [blame]3896 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
Justin TerAvestf7785022018-09-25 11:04:57 -0600[diff] [blame]3897 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Marcel Holtmannd8270fb2015-10-17 16:00:27 +0200[diff] [blame]3898 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3899 }
3900
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]3901 if (id->driver_info & BTUSB_MARVELL)
3902 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
3903
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]3904 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) &&
3905 (id->driver_info & BTUSB_MEDIATEK)) {
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3906 hdev->setup = btusb_mtk_setup;
3907 hdev->shutdown = btusb_mtk_shutdown;
3908 hdev->manufacturer = 70;
3909 set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
3910 }
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3911
Marcel Holtmann661cf882015-01-02 23:35:20 -0800[diff] [blame]3912 if (id->driver_info & BTUSB_SWAVE) {
3913 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
Marcel Holtmannd57dbe72014-12-26 04:42:33 +0100[diff] [blame]3914 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
Marcel Holtmann661cf882015-01-02 23:35:20 -0800[diff] [blame]3915 }
Marcel Holtmannd57dbe72014-12-26 04:42:33 +0100[diff] [blame]3916
Marcel Holtmanne4c534b2015-10-21 01:31:45 +0200[diff] [blame]3917 if (id->driver_info & BTUSB_INTEL_BOOT) {
3918 hdev->manufacturer = 2;
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]3919 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
Marcel Holtmanne4c534b2015-10-21 01:31:45 +0200[diff] [blame]3920 }
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]3921
Jakub Pawlowski79f0c872015-01-29 10:38:34 -0800[diff] [blame]3922 if (id->driver_info & BTUSB_ATH3012) {
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3923 data->setup_on_usb = btusb_setup_qca;
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3924 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
Jakub Pawlowski3d50d512015-03-17 09:04:15 -0700[diff] [blame]3925 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Jakub Pawlowski79f0c872015-01-29 10:38:34 -0800[diff] [blame]3926 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3927 }
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3928
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3929 if (id->driver_info & BTUSB_QCA_ROME) {
3930 data->setup_on_usb = btusb_setup_qca;
3931 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
Vic Wei96e58d32018-03-28 08:28:47 -0700[diff] [blame]3932 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Hans de Goedefc549102018-04-27 11:26:43 +0200[diff] [blame]3933 btusb_check_needs_reset_resume(intf);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3934 }
3935
Arnd Bergmann42d22092019-09-18 21:59:02 +0200[diff] [blame]3936 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) &&
3937 (id->driver_info & BTUSB_REALTEK)) {
Carlo Caionedb33c772015-05-14 10:49:09 +0200[diff] [blame]3938 hdev->setup = btrtl_setup_realtek;
Jian-Hong Pan7af3f5582019-06-25 16:30:51 +0800[diff] [blame]3939 hdev->shutdown = btrtl_shutdown_realtek;
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]3940 hdev->cmd_timeout = btusb_rtl_cmd_timeout;
Daniel Drake04b8c812015-05-21 08:23:50 -0600[diff] [blame]3941
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]3942 /* Realtek devices lose their updated firmware over global
3943 * suspend that means host doesn't send SET_FEATURE
3944 * (DEVICE_REMOTE_WAKEUP)
Daniel Drake04b8c812015-05-21 08:23:50 -0600[diff] [blame]3945 */
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]3946 set_bit(BTUSB_WAKEUP_DISABLE, &data->flags);
Kai-Heng Feng7ecacaf2019-12-05 17:07:01 +0800[diff] [blame]3947
3948 err = usb_autopm_get_interface(intf);
3949 if (err < 0)
3950 goto out_free_dev;
Daniel Drake04b8c812015-05-21 08:23:50 -0600[diff] [blame]3951 }
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]3952
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3953 if (id->driver_info & BTUSB_AMP) {
3954 /* AMP controllers do not support SCO packets */
3955 data->isoc = NULL;
3956 } else {
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3957 /* Interface orders are hardcoded in the specification */
3958 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
Marcel Holtmann459232f2017-10-24 19:42:45 +0200[diff] [blame]3959 data->isoc_ifnum = ifnum_base + 1;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3960 }
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3961
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3962 if (!reset)
Szymon Janca6c511c2012-05-23 12:35:46 +0200[diff] [blame]3963 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3964
3965 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
3966 if (!disable_scofix)
3967 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
3968 }
3969
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3970 if (id->driver_info & BTUSB_BROKEN_ISOC)
3971 data->isoc = NULL;
3972
Alain Michaud4b127bd2020-02-27 18:29:39 +0000[diff] [blame]3973 if (id->driver_info & BTUSB_WIDEBAND_SPEECH)
Alain Michaud00bce3f2020-03-05 16:14:59 +0000[diff] [blame]3974 set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
Alain Michaud4b127bd2020-02-27 18:29:39 +0000[diff] [blame]3975
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3976 if (id->driver_info & BTUSB_DIGIANSWER) {
3977 data->cmdreq_type = USB_TYPE_VENDOR;
Szymon Janca6c511c2012-05-23 12:35:46 +0200[diff] [blame]3978 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3979 }
3980
3981 if (id->driver_info & BTUSB_CSR) {
3982 struct usb_device *udev = data->udev;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3983 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3984
3985 /* Old firmware would otherwise execute USB reset */
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3986 if (bcdDevice < 0x117)
Szymon Janca6c511c2012-05-23 12:35:46 +0200[diff] [blame]3987 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3988
3989 /* Fake CSR devices with broken commands */
Johan Hedberg6cafcd92015-08-30 21:47:21 +0300[diff] [blame]3990 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3991 hdev->setup = btusb_setup_csr;
Jakub Pawlowski49c989a2015-03-17 09:04:17 -0700[diff] [blame]3992
3993 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3994 }
3995
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3996 if (id->driver_info & BTUSB_SNIFFER) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3997 struct usb_device *udev = data->udev;
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3998
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3999 /* New sniffer firmware has crippled HCI interface */
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]4000 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
4001 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
4002 }
4003
Marcel Holtmann3a5ef202014-07-06 14:53:54 +0200[diff] [blame]4004 if (id->driver_info & BTUSB_INTEL_BOOT) {
4005 /* A bug in the bootloader causes that interrupt interface is
4006 * only enabled after receiving SetInterface(0, AltSetting=0).
4007 */
4008 err = usb_set_interface(data->udev, 0, 0);
4009 if (err < 0) {
4010 BT_ERR("failed to set interface 0, alt 0 %d", err);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]4011 goto out_free_dev;
Marcel Holtmann3a5ef202014-07-06 14:53:54 +0200[diff] [blame]4012 }
4013 }
4014
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]4015 if (data->isoc) {
4016 err = usb_driver_claim_interface(&btusb_driver,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]4017 data->isoc, data);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]4018 if (err < 0)
4019 goto out_free_dev;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]4020 }
4021
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]4022 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) {
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]4023 if (!usb_driver_claim_interface(&btusb_driver,
4024 data->diag, data))
4025 __set_diag_interface(hdev);
4026 else
4027 data->diag = NULL;
4028 }
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]4029
Hans de Goedeeff2d682017-11-13 14:44:16 +0100[diff] [blame]4030 if (enable_autosuspend)
4031 usb_enable_autosuspend(data->udev);
4032
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4033 err = hci_register_dev(hdev);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]4034 if (err < 0)
4035 goto out_free_dev;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4036
4037 usb_set_intfdata(intf, data);
4038
4039 return 0;
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]4040
4041out_free_dev:
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]4042 if (data->reset_gpio)
4043 gpiod_put(data->reset_gpio);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]4044 hci_free_dev(hdev);
4045 return err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4046}
4047
4048static void btusb_disconnect(struct usb_interface *intf)
4049{
4050 struct btusb_data *data = usb_get_intfdata(intf);
4051 struct hci_dev *hdev;
4052
4053 BT_DBG("intf %p", intf);
4054
4055 if (!data)
4056 return;
4057
4058 hdev = data->hdev;
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]4059 usb_set_intfdata(data->intf, NULL);
4060
4061 if (data->isoc)
4062 usb_set_intfdata(data->isoc, NULL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4063
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]4064 if (data->diag)
4065 usb_set_intfdata(data->diag, NULL);
4066
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4067 hci_unregister_dev(hdev);
4068
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]4069 if (intf == data->intf) {
4070 if (data->isoc)
4071 usb_driver_release_interface(&btusb_driver, data->isoc);
4072 if (data->diag)
4073 usb_driver_release_interface(&btusb_driver, data->diag);
4074 } else if (intf == data->isoc) {
4075 if (data->diag)
4076 usb_driver_release_interface(&btusb_driver, data->diag);
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]4077 usb_driver_release_interface(&btusb_driver, data->intf);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]4078 } else if (intf == data->diag) {
4079 usb_driver_release_interface(&btusb_driver, data->intf);
4080 if (data->isoc)
4081 usb_driver_release_interface(&btusb_driver, data->isoc);
4082 }
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]4083
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]4084 if (data->oob_wake_irq)
4085 device_init_wakeup(&data->udev->dev, false);
4086
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]4087 if (data->reset_gpio)
4088 gpiod_put(data->reset_gpio);
4089
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4090 hci_free_dev(hdev);
4091}
4092
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4093#ifdef CONFIG_PM
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4094static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
4095{
4096 struct btusb_data *data = usb_get_intfdata(intf);
4097
4098 BT_DBG("intf %p", intf);
4099
4100 if (data->suspend_count++)
4101 return 0;
4102
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4103 spin_lock_irq(&data->txlock);
Alan Stern5b1b0b82011-08-19 23:49:48 +0200[diff] [blame]4104 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4105 set_bit(BTUSB_SUSPENDING, &data->flags);
4106 spin_unlock_irq(&data->txlock);
4107 } else {
4108 spin_unlock_irq(&data->txlock);
4109 data->suspend_count--;
4110 return -EBUSY;
4111 }
4112
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4113 cancel_work_sync(&data->work);
4114
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4115 btusb_stop_traffic(data);
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4116 usb_kill_anchored_urbs(&data->tx_anchor);
4117
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]4118 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
4119 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
4120 enable_irq_wake(data->oob_wake_irq);
4121 enable_irq(data->oob_wake_irq);
4122 }
4123
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]4124 /* For global suspend, Realtek devices lose the loaded fw
4125 * in them. But for autosuspend, firmware should remain.
4126 * Actually, it depends on whether the usb host sends
4127 * set feature (enable wakeup) or not.
4128 */
4129 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) {
4130 if (PMSG_IS_AUTO(message) &&
4131 device_can_wakeup(&data->udev->dev))
4132 data->udev->do_remote_wakeup = 1;
4133 else if (!PMSG_IS_AUTO(message))
4134 data->udev->reset_resume = 1;
4135 }
4136
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4137 return 0;
4138}
4139
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4140static void play_deferred(struct btusb_data *data)
4141{
4142 struct urb *urb;
4143 int err;
4144
4145 while ((urb = usb_get_from_anchor(&data->deferred))) {
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4146 usb_anchor_urb(urb, &data->tx_anchor);
4147
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4148 err = usb_submit_urb(urb, GFP_ATOMIC);
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4149 if (err < 0) {
4150 if (err != -EPERM && err != -ENODEV)
4151 BT_ERR("%s urb %p submission failed (%d)",
4152 data->hdev->name, urb, -err);
4153 kfree(urb->setup_packet);
4154 usb_unanchor_urb(urb);
4155 usb_free_urb(urb);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4156 break;
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4157 }
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4158
4159 data->tx_in_flight++;
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4160 usb_free_urb(urb);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4161 }
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4162
4163 /* Cleanup the rest deferred urbs. */
4164 while ((urb = usb_get_from_anchor(&data->deferred))) {
4165 kfree(urb->setup_packet);
4166 usb_free_urb(urb);
4167 }
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4168}
4169
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4170static int btusb_resume(struct usb_interface *intf)
4171{
4172 struct btusb_data *data = usb_get_intfdata(intf);
4173 struct hci_dev *hdev = data->hdev;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4174 int err = 0;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4175
4176 BT_DBG("intf %p", intf);
4177
4178 if (--data->suspend_count)
4179 return 0;
4180
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]4181 /* Disable only if not already disabled (keep it balanced) */
4182 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
4183 disable_irq(data->oob_wake_irq);
4184 disable_irq_wake(data->oob_wake_irq);
4185 }
4186
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4187 if (!test_bit(HCI_RUNNING, &hdev->flags))
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4188 goto done;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4189
4190 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
4191 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
4192 if (err < 0) {
4193 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4194 goto failed;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4195 }
4196 }
4197
4198 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]4199 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
4200 if (err < 0) {
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4201 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4202 goto failed;
4203 }
4204
4205 btusb_submit_bulk_urb(hdev, GFP_NOIO);
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4206 }
4207
4208 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
4209 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
4210 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
4211 else
4212 btusb_submit_isoc_urb(hdev, GFP_NOIO);
4213 }
4214
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4215 spin_lock_irq(&data->txlock);
4216 play_deferred(data);
4217 clear_bit(BTUSB_SUSPENDING, &data->flags);
4218 spin_unlock_irq(&data->txlock);
4219 schedule_work(&data->work);
4220
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4221 return 0;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4222
4223failed:
4224 usb_scuttle_anchored_urbs(&data->deferred);
4225done:
4226 spin_lock_irq(&data->txlock);
4227 clear_bit(BTUSB_SUSPENDING, &data->flags);
4228 spin_unlock_irq(&data->txlock);
4229
4230 return err;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4231}
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4232#endif
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4233
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4234static struct usb_driver btusb_driver = {
4235 .name = "btusb",
4236 .probe = btusb_probe,
4237 .disconnect = btusb_disconnect,
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4238#ifdef CONFIG_PM
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4239 .suspend = btusb_suspend,
4240 .resume = btusb_resume,
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4241#endif
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4242 .id_table = btusb_table,
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4243 .supports_autosuspend = 1,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -0700[diff] [blame]4244 .disable_hub_initiated_lpm = 1,
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4245};
4246
Greg Kroah-Hartman93f15082011-11-18 09:47:34 -0800[diff] [blame]4247module_usb_driver(btusb_driver);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4248
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]4249module_param(disable_scofix, bool, 0644);
4250MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
4251
4252module_param(force_scofix, bool, 0644);
4253MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
4254
Hans de Goedeeff2d682017-11-13 14:44:16 +0100[diff] [blame]4255module_param(enable_autosuspend, bool, 0644);
4256MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
4257
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]4258module_param(reset, bool, 0644);
4259MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
4260
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4261MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
4262MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
4263MODULE_VERSION(VERSION);
4264MODULE_LICENSE("GPL");