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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / 965995b7d7bef00c7952460fcf835ab8feb747ff / . / drivers / bluetooth / btusb.c
blob: 4b12c34f0b22d301f6a77f503cbd17c567fe4638 [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
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]61
Marcel Holtmann54265202013-10-11 07:46:18 -0700[diff] [blame]62static const struct usb_device_id btusb_table[] = {
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]63 /* Generic Bluetooth USB device */
64 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
65
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]66 /* Generic Bluetooth AMP device */
67 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
68
Daniel Draked63b2822015-07-17 11:12:25 -0600[diff] [blame]69 /* Generic Bluetooth USB interface */
70 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
71
Henrik Rydberg1fa65352012-08-25 19:28:06 +0200[diff] [blame]72 /* Apple-specific (Broadcom) devices */
Marcel Holtmann17b27722015-03-22 15:52:38 +0100[diff] [blame]73 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]74 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
Henrik Rydberg1fa65352012-08-25 19:28:06 +0200[diff] [blame]75
Cho, Yu-Chen178c0592013-06-04 21:40:26 +0800[diff] [blame]76 /* MediaTek MT76x0E */
77 { USB_DEVICE(0x0e8d, 0x763f) },
78
Oliver Neukumc510eae2011-09-21 11:41:45 +0200[diff] [blame]79 /* Broadcom SoftSailing reporting vendor specific */
Don Zickus2e8b50632012-03-28 16:41:11 -0400[diff] [blame]80 { USB_DEVICE(0x0a5c, 0x21e1) },
Oliver Neukumc510eae2011-09-21 11:41:45 +0200[diff] [blame]81
Nobuhiro Iwamatsu3cd01972010-08-20 16:24:07 +0900[diff] [blame]82 /* Apple MacBookPro 7,1 */
83 { USB_DEVICE(0x05ac, 0x8213) },
84
Cyril Lacoux0a79f672010-07-14 10:29:27 +0400[diff] [blame]85 /* Apple iMac11,1 */
86 { USB_DEVICE(0x05ac, 0x8215) },
87
Nobuhiro Iwamatsu9c047152010-08-20 16:24:06 +0900[diff] [blame]88 /* Apple MacBookPro6,2 */
89 { USB_DEVICE(0x05ac, 0x8218) },
90
Edgar (gimli) Hucek3e3ede72010-11-04 08:04:33 +0100[diff] [blame]91 /* Apple MacBookAir3,1, MacBookAir3,2 */
92 { USB_DEVICE(0x05ac, 0x821b) },
93
Pieter-Augustijn Van Malleghema63b7232011-09-07 02:28:10 -0400[diff] [blame]94 /* Apple MacBookAir4,1 */
95 { USB_DEVICE(0x05ac, 0x821f) },
96
Marc-Antoine Perennou88d377b2011-03-24 14:51:21 -0300[diff] [blame]97 /* Apple MacBookPro8,2 */
98 { USB_DEVICE(0x05ac, 0x821a) },
99
Jurgen Kramerf78b68262011-09-04 18:01:42 +0200[diff] [blame]100 /* Apple MacMini5,1 */
101 { USB_DEVICE(0x05ac, 0x8281) },
102
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]103 /* AVM BlueFRITZ! USB v2.0 */
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800[diff] [blame]104 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]105
106 /* Bluetooth Ultraport Module from IBM */
107 { USB_DEVICE(0x04bf, 0x030a) },
108
109 /* ALPS Modules with non-standard id */
110 { USB_DEVICE(0x044e, 0x3001) },
111 { USB_DEVICE(0x044e, 0x3002) },
112
113 /* Ericsson with non-standard id */
114 { USB_DEVICE(0x0bdb, 0x1002) },
115
116 /* Canyon CN-BTU1 with HID interfaces */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]117 { USB_DEVICE(0x0c10, 0x0000) },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]118
Wen-chien Jesse Sungd13431c2011-11-08 14:30:22 +0800[diff] [blame]119 /* Broadcom BCM20702A0 */
120 { USB_DEVICE(0x413c, 0x8197) },
121
Marcel Holtmannd049f4e2015-01-26 20:35:32 -0800[diff] [blame]122 /* Broadcom BCM20702B0 (Dynex/Insignia) */
123 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
124
Santtu Rekilä2faf71c2015-10-05 15:45:27 +0300[diff] [blame]125 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
Dmitry Tunin628c26b2017-07-06 14:41:13 +0300[diff] [blame]126 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
127 .driver_info = BTUSB_BCM_PATCHRAM },
Santtu Rekilä2faf71c2015-10-05 15:45:27 +0300[diff] [blame]128
Christoph Haaga57bac42017-02-10 14:02:45 +0100[diff] [blame]129 /* Broadcom BCM920703 (HTC Vive) */
130 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
131 .driver_info = BTUSB_BCM_PATCHRAM },
132
Steven Harms98514032012-04-13 14:45:55 -0400[diff] [blame]133 /* Foxconn - Hon Hai */
Heinrich Siebmanns6029ddc2014-12-03 19:32:22 +0100[diff] [blame]134 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
135 .driver_info = BTUSB_BCM_PATCHRAM },
Steven Harms98514032012-04-13 14:45:55 -0400[diff] [blame]136
Matej Dubovy8f0c3042015-02-02 18:50:14 +0100[diff] [blame]137 /* Lite-On Technology - Broadcom based */
138 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
139 .driver_info = BTUSB_BCM_PATCHRAM },
140
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]141 /* Broadcom devices with vendor specific id */
Petri Gynther10d4c672014-05-08 15:50:01 -0700[diff] [blame]142 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
143 .driver_info = BTUSB_BCM_PATCHRAM },
Gustavo Padovan92c385f2012-08-06 15:36:49 -0300[diff] [blame]144
Marcel Holtmannc2aef6e2014-07-21 14:02:33 +0200[diff] [blame]145 /* ASUSTek Computer - Broadcom based */
Rick Dunn9a5abdaa2015-01-17 05:29:12 +0100[diff] [blame]146 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
147 .driver_info = BTUSB_BCM_PATCHRAM },
Marcel Holtmannc2aef6e2014-07-21 14:02:33 +0200[diff] [blame]148
Ken O'Brien5bcecf32013-09-21 19:14:43 +0100[diff] [blame]149 /* Belkin F8065bf - Broadcom based */
Marcel Holtmann6331c682015-03-27 15:11:41 -0700[diff] [blame]150 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
151 .driver_info = BTUSB_BCM_PATCHRAM },
Ken O'Brien5bcecf32013-09-21 19:14:43 +0100[diff] [blame]152
Jurgen Kramer9113bfd2014-02-15 12:01:09 +0100[diff] [blame]153 /* IMC Networks - Broadcom based */
Marcel Holtmann6331c682015-03-27 15:11:41 -0700[diff] [blame]154 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
155 .driver_info = BTUSB_BCM_PATCHRAM },
Jurgen Kramer9113bfd2014-02-15 12:01:09 +0100[diff] [blame]156
Wen-chien Jesse Sungfdfddc62017-01-10 15:41:13 +0800[diff] [blame]157 /* Dell Computer - Broadcom based */
158 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
159 .driver_info = BTUSB_BCM_PATCHRAM },
160
Dmitry Tunin1623d0b2015-12-05 14:09:36 +0300[diff] [blame]161 /* Toshiba Corp - Broadcom based */
162 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
163 .driver_info = BTUSB_BCM_PATCHRAM },
164
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]165 /* Intel Bluetooth USB Bootloader (RAM module) */
Marcel Holtmannd92f2df2014-07-06 14:53:55 +0200[diff] [blame]166 { USB_DEVICE(0x8087, 0x0a5a),
167 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]168
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]169 { } /* Terminating entry */
170};
171
172MODULE_DEVICE_TABLE(usb, btusb_table);
173
Marcel Holtmann54265202013-10-11 07:46:18 -0700[diff] [blame]174static const struct usb_device_id blacklist_table[] = {
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]175 /* CSR BlueCore devices */
176 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
177
178 /* Broadcom BCM2033 without firmware */
179 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
180
Marcel Holtmann6c9d4352015-10-17 14:39:27 +0200[diff] [blame]181 /* Broadcom BCM2045 devices */
182 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
183
Bala Shanmugambe931122010-11-26 17:35:46 +0530[diff] [blame]184 /* Atheros 3011 with sflash firmware */
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]185 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
186 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
Alexander Ploumistos2eeff0b2015-02-13 21:05:11 +0200[diff] [blame]187 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]188 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
Bala Shanmugambe931122010-11-26 17:35:46 +0530[diff] [blame]189 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
Marek Vasut6eda5412012-06-08 14:32:50 +0200[diff] [blame]190 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
Andy Ross2a7bccc2011-05-09 16:11:16 -0700[diff] [blame]191 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
Bala Shanmugambe931122010-11-26 17:35:46 +0530[diff] [blame]192
Cho, Yu-Chen509e7862011-01-26 17:10:59 +0800[diff] [blame]193 /* Atheros AR9285 Malbec with sflash firmware */
194 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
195
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530[diff] [blame]196 /* Atheros 3012 with sflash firmware */
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]197 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
198 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
199 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
200 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
201 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin692c0622015-06-06 20:25:40 +0300[diff] [blame]202 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
Anantha Krishnan4b552bc2014-10-06 16:31:49 +0530[diff] [blame]203 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin28c971d2016-02-10 00:49:11 +0300[diff] [blame]204 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]205 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
206 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
207 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
208 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -0700[diff] [blame]209 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]210 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
211 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin7e730c7f2015-06-18 20:41:51 +0300[diff] [blame]212 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
Dmitry Tuninec0810d2015-05-02 13:36:58 +0300[diff] [blame]213 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
Janne Heikkinen134d3b32014-12-09 07:44:51 +0200[diff] [blame]214 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin81d90442016-02-28 11:04:06 +0300[diff] [blame]215 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin441ad622017-01-05 13:19:53 +0300[diff] [blame]216 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]217 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
Dmitry Tunincd355ff2015-10-05 19:29:33 +0300[diff] [blame]218 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]219 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +0100[diff] [blame]220 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200[diff] [blame]221 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
Ming Leid66629c2013-03-15 11:00:39 +0800[diff] [blame]222 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
Hans de Goede544a5912018-04-26 14:18:19 +0200[diff] [blame]223 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900[diff] [blame]224 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200[diff] [blame]225 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
Oliver Neukumb1312372014-01-16 15:37:11 +0100[diff] [blame]226 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100[diff] [blame]227 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]228 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
Ming Leiebaf5792013-03-18 23:45:11 +0800[diff] [blame]229 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin18e0afa2015-10-16 11:45:26 +0300[diff] [blame]230 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]231 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
AceLan Kaoac713112012-04-19 14:53:45 +0800[diff] [blame]232 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
Peng Chen0a3658c2013-08-30 17:41:40 +0800[diff] [blame]233 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
Wen-chien Jesse Sungca79f232015-05-13 11:39:24 +0800[diff] [blame]234 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]235 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
236 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
AceLan Kaoeed307e2012-12-11 11:41:20 +0800[diff] [blame]237 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin609574e2016-02-10 15:33:17 +0300[diff] [blame]238 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
Sujith Manoharan5b77a1f2013-07-15 09:29:03 +0530[diff] [blame]239 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin3bb30a7c2014-11-25 20:19:52 +0300[diff] [blame]240 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin033efa92015-01-18 00:16:51 +0300[diff] [blame]241 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530[diff] [blame]242 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin75c6aca2016-03-04 01:32:19 +0300[diff] [blame]243 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin0d0cef62015-06-06 20:29:25 +0300[diff] [blame]244 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
Lauro Costa72f9f8b2016-05-09 17:36:11 -0300[diff] [blame]245 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin12d86892016-07-12 01:35:18 +0300[diff] [blame]246 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530[diff] [blame]247
Cho, Yu-Chene9036e32011-02-15 10:20:07 +0800[diff] [blame]248 /* Atheros AR5BBU12 with sflash firmware */
249 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
250
Michael Gruetzner85d59722012-05-02 22:33:40 +0200[diff] [blame]251 /* Atheros AR5BBU12 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530[diff] [blame]252 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]253 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200[diff] [blame]254
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]255 /* QCA ROME chipset */
Owen Lin1411a262018-10-18 04:37:57 +0000[diff] [blame]256 { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME },
Wen-chien Jesse Sung20541112015-05-13 11:39:25 +0800[diff] [blame]257 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
Kai-Heng Feng93519932016-08-16 12:50:06 +0800[diff] [blame]258 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
AceLan Kaoe5a49ee2018-01-02 10:41:11 +0800[diff] [blame]259 { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME },
Marcel Holtmannc9e44472015-03-16 23:56:04 -0700[diff] [blame]260 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
Gabriel1eef1c32017-02-20 12:32:22 -0500[diff] [blame]261 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME },
Marcel Holtmannc9e44472015-03-16 23:56:04 -0700[diff] [blame]262 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
Yvain THONNART47ca5892016-06-11 15:43:30 +0200[diff] [blame]263 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
Bartosz Chronowski858ff382017-10-26 10:22:43 +0200[diff] [blame]264 { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME },
Shih-Yuan Lee (FourDollars)06e41d82017-06-14 14:42:00 +0800[diff] [blame]265 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
Dmitry Tunin1144a4e2016-09-21 19:13:08 +0300[diff] [blame]266 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
Ioan Moldovan0a03f982017-08-28 18:09:39 +0300[diff] [blame]267 { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME },
Brian Norrisd829b9e2017-07-31 17:59:39 -0700[diff] [blame]268 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
Vic Weid666fc52018-04-23 15:17:07 -0700[diff] [blame]269 { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME },
Rocky Liao19220f32020-01-06 14:07:44 +0800[diff] [blame]270 { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME },
João Paulo Rechi Vita44d34af2019-05-23 13:32:01 -0700[diff] [blame]271 { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME },
João Paulo Rechi Vitadf2445b2018-04-27 10:09:58 -0700[diff] [blame]272 { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME },
João Paulo Rechi Vita881cec42019-05-23 13:32:02 -0700[diff] [blame]273 { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME },
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]274
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]275 /* Broadcom BCM2035 */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]276 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]277 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
278 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]279
280 /* Broadcom BCM2045 */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]281 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
282 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmannbdbef3d2008-09-23 00:16:35 +0200[diff] [blame]283
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]284 /* IBM/Lenovo ThinkPad with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]285 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
286 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]287
288 /* HP laptop with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]289 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]290
291 /* Dell laptop with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]292 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]293
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100[diff] [blame]294 /* Dell Wireless 370 and 410 devices */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]295 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100[diff] [blame]296 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]297
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]298 /* Belkin F8T012 and F8T013 devices */
299 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
300 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]301
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100[diff] [blame]302 /* Asus WL-BTD202 device */
303 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
304
305 /* Kensington Bluetooth USB adapter */
306 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
307
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]308 /* RTX Telecom based adapters with buggy SCO support */
309 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
310 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
311
312 /* CONWISE Technology based adapters with buggy SCO support */
Szymon Janc418678b2016-09-01 17:22:37 +0200[diff] [blame]313 { USB_DEVICE(0x0e5e, 0x6622),
314 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]315
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800[diff] [blame]316 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
Aleksei Volkov2eeac872015-06-08 12:02:10 +0300[diff] [blame]317 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800[diff] [blame]318
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]319 /* Digianswer devices */
320 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
321 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
322
323 /* CSR BlueCore Bluetooth Sniffer */
Marcel Holtmann4f64fa82014-07-07 00:12:04 +0200[diff] [blame]324 { USB_DEVICE(0x0a12, 0x0002),
325 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]326
327 /* Frontline ComProbe Bluetooth Sniffer */
Marcel Holtmann4f64fa82014-07-07 00:12:04 +0200[diff] [blame]328 { USB_DEVICE(0x16d3, 0x0002),
329 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]330
Marcel Holtmanncb1ee892015-01-28 19:41:42 -0800[diff] [blame]331 /* Marvell Bluetooth devices */
332 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
333 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
Amitkumar Karwar1165df02016-09-28 16:18:35 +0530[diff] [blame]334 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
Marcel Holtmanncb1ee892015-01-28 19:41:42 -0800[diff] [blame]335
Marcel Holtmannd0ac9eb2015-01-28 19:41:43 -0800[diff] [blame]336 /* Intel Bluetooth devices */
Alain Michaud3e4e3f72020-02-27 18:29:37 +0000[diff] [blame]337 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW |
338 BTUSB_WIDEBAND_SPEECH },
339 { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW |
340 BTUSB_WIDEBAND_SPEECH },
341 { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW |
342 BTUSB_WIDEBAND_SPEECH },
Marcel Holtmann407550f2015-02-22 15:41:18 -0800[diff] [blame]343 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]344 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
Tedd Ho-Jeong Anef4e5e42013-11-12 13:10:58 -0800[diff] [blame]345 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
Alain Michaud3e4e3f72020-02-27 18:29:37 +0000[diff] [blame]346 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW |
347 BTUSB_WIDEBAND_SPEECH },
348 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL |
349 BTUSB_WIDEBAND_SPEECH },
350 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW |
351 BTUSB_WIDEBAND_SPEECH },
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]352
Marcel Holtmannd0ac9eb2015-01-28 19:41:43 -0800[diff] [blame]353 /* Other Intel Bluetooth devices */
354 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
355 .driver_info = BTUSB_IGNORE },
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]356
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]357 /* Realtek Bluetooth devices */
358 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
359 .driver_info = BTUSB_REALTEK },
360
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]361 /* MediaTek Bluetooth devices */
362 { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),
363 .driver_info = BTUSB_MEDIATEK },
364
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]365 /* Additional Realtek 8723AE Bluetooth devices */
366 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
367 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
368
369 /* Additional Realtek 8723BE Bluetooth devices */
370 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
371 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
372 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
373 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
374 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
Dmitry Tunina81d72d2017-08-08 14:09:02 +0300[diff] [blame]375 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]376
Vicente Bergasa41e0792018-03-20 19:41:10 +0100[diff] [blame]377 /* Additional Realtek 8723BU Bluetooth devices */
378 { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK },
379
Jian-Hong Pan66d99752018-05-21 18:09:20 +0800[diff] [blame]380 /* Additional Realtek 8723DE Bluetooth devices */
Jian-Hong Pan45ae68b2018-05-25 17:54:52 +0800[diff] [blame]381 { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
Jian-Hong Pan66d99752018-05-21 18:09:20 +0800[diff] [blame]382 { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
383
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]384 /* Additional Realtek 8821AE Bluetooth devices */
385 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
386 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
387 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
388 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
389 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
390
Larry Fingerfed03fe2018-02-11 12:24:32 -0600[diff] [blame]391 /* Additional Realtek 8822BE Bluetooth devices */
Artiom Vaskov1cd2fab2018-05-30 11:23:00 +0300[diff] [blame]392 { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK },
Larry Fingerfed03fe2018-02-11 12:24:32 -0600[diff] [blame]393 { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK },
394
Jian-Hong Pan6d0762b2019-09-03 17:10:42 +0800[diff] [blame]395 /* Additional Realtek 8822CE Bluetooth devices */
396 { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK },
Sergey Shatunoveb3939e32020-02-08 23:53:15 +0800[diff] [blame]397 { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK },
Jian-Hong Pan6d0762b2019-09-03 17:10:42 +0800[diff] [blame]398
Peter Poklop4481c072015-08-15 20:47:09 +0200[diff] [blame]399 /* Silicon Wave based devices */
400 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
401
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]402 { } /* Terminating entry */
403};
404
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]405/* The Bluetooth USB module build into some devices needs to be reset on resume,
406 * this is a problem with the platform (likely shutting off all power) not with
407 * the module itself. So we use a DMI list to match known broken platforms.
408 */
409static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
410 {
Kai-Heng Feng0c6e5262018-03-01 13:42:52 +0800[diff] [blame]411 /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]412 .matches = {
Kai-Heng Feng0c6e5262018-03-01 13:42:52 +0800[diff] [blame]413 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
414 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"),
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]415 },
416 },
Hans de Goede596b07a2018-04-26 20:52:06 +0200[diff] [blame]417 {
418 /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */
419 .matches = {
420 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
421 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"),
422 },
423 },
Hans de Goede939bc6c2018-05-22 09:34:10 +0200[diff] [blame]424 {
425 /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */
426 .matches = {
427 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
428 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"),
429 },
430 },
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]431 {}
432};
433
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]434#define BTUSB_MAX_ISOC_FRAMES 10
435
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]436#define BTUSB_INTR_RUNNING 0
437#define BTUSB_BULK_RUNNING 1
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]438#define BTUSB_ISOC_RUNNING 2
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]439#define BTUSB_SUSPENDING 3
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]440#define BTUSB_DID_ISO_RESUME 4
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]441#define BTUSB_BOOTLOADER 5
442#define BTUSB_DOWNLOADING 6
Marcel Holtmannce6bb922015-01-28 01:58:40 -0800[diff] [blame]443#define BTUSB_FIRMWARE_LOADED 7
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]444#define BTUSB_FIRMWARE_FAILED 8
Marcel Holtmannce6bb922015-01-28 01:58:40 -0800[diff] [blame]445#define BTUSB_BOOTING 9
Hans de Goede61f5ace2018-01-08 10:44:16 +0100[diff] [blame]446#define BTUSB_DIAG_RUNNING 10
447#define BTUSB_OOB_WAKE_ENABLED 11
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]448#define BTUSB_HW_RESET_ACTIVE 12
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]449#define BTUSB_TX_WAIT_VND_EVT 13
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]450#define BTUSB_WAKEUP_DISABLE 14
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]451
452struct btusb_data {
453 struct hci_dev *hdev;
454 struct usb_device *udev;
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]455 struct usb_interface *intf;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]456 struct usb_interface *isoc;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]457 struct usb_interface *diag;
Marcel Holtmann459232f2017-10-24 19:42:45 +0200[diff] [blame]458 unsigned isoc_ifnum;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]459
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]460 unsigned long flags;
461
462 struct work_struct work;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]463 struct work_struct waker;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]464
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]465 struct usb_anchor deferred;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]466 struct usb_anchor tx_anchor;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]467 int tx_in_flight;
468 spinlock_t txlock;
469
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]470 struct usb_anchor intr_anchor;
471 struct usb_anchor bulk_anchor;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]472 struct usb_anchor isoc_anchor;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]473 struct usb_anchor diag_anchor;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]474 struct usb_anchor ctrl_anchor;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]475 spinlock_t rxlock;
476
477 struct sk_buff *evt_skb;
478 struct sk_buff *acl_skb;
479 struct sk_buff *sco_skb;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]480
481 struct usb_endpoint_descriptor *intr_ep;
482 struct usb_endpoint_descriptor *bulk_tx_ep;
483 struct usb_endpoint_descriptor *bulk_rx_ep;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]484 struct usb_endpoint_descriptor *isoc_tx_ep;
485 struct usb_endpoint_descriptor *isoc_rx_ep;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]486 struct usb_endpoint_descriptor *diag_tx_ep;
487 struct usb_endpoint_descriptor *diag_rx_ep;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]488
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]489 struct gpio_desc *reset_gpio;
490
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]491 __u8 cmdreq_type;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]492 __u8 cmdreq;
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]493
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]494 unsigned int sco_num;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]495 int isoc_altsetting;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]496 int suspend_count;
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]497
Marcel Holtmann97307f52015-01-12 13:51:10 -0800[diff] [blame]498 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]499 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
Kim, Ben Young Taeace31982015-02-15 23:06:14 +0000[diff] [blame]500
501 int (*setup_on_usb)(struct hci_dev *hdev);
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]502
503 int oob_wake_irq; /* irq for out-of-band wake-on-bt */
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]504 unsigned cmd_timeout_cnt;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]505};
506
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]507
508static void btusb_intel_cmd_timeout(struct hci_dev *hdev)
509{
510 struct btusb_data *data = hci_get_drvdata(hdev);
511 struct gpio_desc *reset_gpio = data->reset_gpio;
512
513 if (++data->cmd_timeout_cnt < 5)
514 return;
515
516 if (!reset_gpio) {
517 bt_dev_err(hdev, "No way to reset. Ignoring and continuing");
518 return;
519 }
520
521 /*
522 * Toggle the hard reset line if the platform provides one. The reset
523 * is going to yank the device off the USB and then replug. So doing
524 * once is enough. The cleanup is handled correctly on the way out
525 * (standard USB disconnect), and the new device is detected cleanly
526 * and bound to the driver again like it should be.
527 */
528 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
529 bt_dev_err(hdev, "last reset failed? Not resetting again");
530 return;
531 }
532
533 bt_dev_err(hdev, "Initiating HW reset via gpio");
Rajat Jain2de66bb82019-01-28 15:08:09 -0800[diff] [blame]534 gpiod_set_value_cansleep(reset_gpio, 1);
535 msleep(100);
536 gpiod_set_value_cansleep(reset_gpio, 0);
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]537}
538
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]539static void btusb_rtl_cmd_timeout(struct hci_dev *hdev)
540{
541 struct btusb_data *data = hci_get_drvdata(hdev);
542 struct gpio_desc *reset_gpio = data->reset_gpio;
543
544 if (++data->cmd_timeout_cnt < 5)
545 return;
546
547 if (!reset_gpio) {
548 bt_dev_err(hdev, "No gpio to reset Realtek device, ignoring");
549 return;
550 }
551
552 /* Toggle the hard reset line. The Realtek device is going to
553 * yank itself off the USB and then replug. The cleanup is handled
554 * correctly on the way out (standard USB disconnect), and the new
555 * device is detected cleanly and bound to the driver again like
556 * it should be.
557 */
558 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
559 bt_dev_err(hdev, "last reset failed? Not resetting again");
560 return;
561 }
562
563 bt_dev_err(hdev, "Reset Realtek device via gpio");
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]564 gpiod_set_value_cansleep(reset_gpio, 1);
Max Chou34682112019-11-27 11:01:07 +0800[diff] [blame]565 msleep(200);
566 gpiod_set_value_cansleep(reset_gpio, 0);
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]567}
568
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]569static inline void btusb_free_frags(struct btusb_data *data)
570{
571 unsigned long flags;
572
573 spin_lock_irqsave(&data->rxlock, flags);
574
575 kfree_skb(data->evt_skb);
576 data->evt_skb = NULL;
577
578 kfree_skb(data->acl_skb);
579 data->acl_skb = NULL;
580
581 kfree_skb(data->sco_skb);
582 data->sco_skb = NULL;
583
584 spin_unlock_irqrestore(&data->rxlock, flags);
585}
586
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]587static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
588{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]589 struct sk_buff *skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]590 unsigned long flags;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]591 int err = 0;
592
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]593 spin_lock_irqsave(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]594 skb = data->evt_skb;
595
596 while (count) {
597 int len;
598
599 if (!skb) {
600 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
601 if (!skb) {
602 err = -ENOMEM;
603 break;
604 }
605
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]606 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
607 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]608 }
609
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]610 len = min_t(uint, hci_skb_expect(skb), count);
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]611 skb_put_data(skb, buffer, len);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]612
613 count -= len;
614 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]615 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]616
617 if (skb->len == HCI_EVENT_HDR_SIZE) {
618 /* Complete event header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]619 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]620
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]621 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]622 kfree_skb(skb);
623 skb = NULL;
624
625 err = -EILSEQ;
626 break;
627 }
628 }
629
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]630 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]631 /* Complete frame */
Marcel Holtmann97307f52015-01-12 13:51:10 -0800[diff] [blame]632 data->recv_event(data->hdev, skb);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]633 skb = NULL;
634 }
635 }
636
637 data->evt_skb = skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]638 spin_unlock_irqrestore(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]639
640 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]641}
642
643static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
644{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]645 struct sk_buff *skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]646 unsigned long flags;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]647 int err = 0;
648
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]649 spin_lock_irqsave(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]650 skb = data->acl_skb;
651
652 while (count) {
653 int len;
654
655 if (!skb) {
656 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
657 if (!skb) {
658 err = -ENOMEM;
659 break;
660 }
661
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]662 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
663 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]664 }
665
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]666 len = min_t(uint, hci_skb_expect(skb), count);
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]667 skb_put_data(skb, buffer, len);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]668
669 count -= len;
670 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]671 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]672
673 if (skb->len == HCI_ACL_HDR_SIZE) {
674 __le16 dlen = hci_acl_hdr(skb)->dlen;
675
676 /* Complete ACL header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]677 hci_skb_expect(skb) = __le16_to_cpu(dlen);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]678
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]679 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]680 kfree_skb(skb);
681 skb = NULL;
682
683 err = -EILSEQ;
684 break;
685 }
686 }
687
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]688 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]689 /* Complete frame */
690 hci_recv_frame(data->hdev, skb);
691 skb = NULL;
692 }
693 }
694
695 data->acl_skb = skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]696 spin_unlock_irqrestore(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]697
698 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]699}
700
701static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
702{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]703 struct sk_buff *skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]704 unsigned long flags;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]705 int err = 0;
706
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]707 spin_lock_irqsave(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]708 skb = data->sco_skb;
709
710 while (count) {
711 int len;
712
713 if (!skb) {
714 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
715 if (!skb) {
716 err = -ENOMEM;
717 break;
718 }
719
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]720 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
721 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]722 }
723
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]724 len = min_t(uint, hci_skb_expect(skb), count);
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]725 skb_put_data(skb, buffer, len);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]726
727 count -= len;
728 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]729 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]730
731 if (skb->len == HCI_SCO_HDR_SIZE) {
732 /* Complete SCO header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]733 hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]734
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]735 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]736 kfree_skb(skb);
737 skb = NULL;
738
739 err = -EILSEQ;
740 break;
741 }
742 }
743
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]744 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]745 /* Complete frame */
746 hci_recv_frame(data->hdev, skb);
747 skb = NULL;
748 }
749 }
750
751 data->sco_skb = skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]752 spin_unlock_irqrestore(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]753
754 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]755}
756
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]757static void btusb_intr_complete(struct urb *urb)
758{
759 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]760 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]761 int err;
762
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]763 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
764 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]765
766 if (!test_bit(HCI_RUNNING, &hdev->flags))
767 return;
768
769 if (urb->status == 0) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]770 hdev->stat.byte_rx += urb->actual_length;
771
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]772 if (btusb_recv_intr(data, urb->transfer_buffer,
773 urb->actual_length) < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]774 bt_dev_err(hdev, "corrupted event packet");
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]775 hdev->stat.err_rx++;
776 }
Champion Chen85560c42014-09-06 14:06:08 -0500[diff] [blame]777 } else if (urb->status == -ENOENT) {
778 /* Avoid suspend failed when usb_kill_urb */
779 return;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]780 }
781
782 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
783 return;
784
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]785 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]786 usb_anchor_urb(urb, &data->intr_anchor);
787
788 err = usb_submit_urb(urb, GFP_ATOMIC);
789 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]790 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]791 * -ENODEV: device got disconnected
792 */
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]793 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]794 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
795 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]796 usb_unanchor_urb(urb);
797 }
798}
799
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]800static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]801{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]802 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]803 struct urb *urb;
804 unsigned char *buf;
805 unsigned int pipe;
806 int err, size;
807
808 BT_DBG("%s", hdev->name);
809
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]810 if (!data->intr_ep)
811 return -ENODEV;
812
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]813 urb = usb_alloc_urb(0, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]814 if (!urb)
815 return -ENOMEM;
816
817 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
818
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]819 buf = kmalloc(size, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]820 if (!buf) {
821 usb_free_urb(urb);
822 return -ENOMEM;
823 }
824
825 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
826
827 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]828 btusb_intr_complete, hdev, data->intr_ep->bInterval);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]829
830 urb->transfer_flags |= URB_FREE_BUFFER;
831
832 usb_anchor_urb(urb, &data->intr_anchor);
833
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]834 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]835 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200[diff] [blame]836 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]837 bt_dev_err(hdev, "urb %p submission failed (%d)",
838 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]839 usb_unanchor_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]840 }
841
842 usb_free_urb(urb);
843
844 return err;
845}
846
847static void btusb_bulk_complete(struct urb *urb)
848{
849 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]850 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]851 int err;
852
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]853 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
854 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]855
856 if (!test_bit(HCI_RUNNING, &hdev->flags))
857 return;
858
859 if (urb->status == 0) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]860 hdev->stat.byte_rx += urb->actual_length;
861
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]862 if (data->recv_bulk(data, urb->transfer_buffer,
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]863 urb->actual_length) < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]864 bt_dev_err(hdev, "corrupted ACL packet");
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]865 hdev->stat.err_rx++;
866 }
Champion Chen85560c42014-09-06 14:06:08 -0500[diff] [blame]867 } else if (urb->status == -ENOENT) {
868 /* Avoid suspend failed when usb_kill_urb */
869 return;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]870 }
871
872 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
873 return;
874
875 usb_anchor_urb(urb, &data->bulk_anchor);
Oliver Neukum652fd782009-12-16 19:23:43 +0100[diff] [blame]876 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]877
878 err = usb_submit_urb(urb, GFP_ATOMIC);
879 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]880 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]881 * -ENODEV: device got disconnected
882 */
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]883 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]884 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
885 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]886 usb_unanchor_urb(urb);
887 }
888}
889
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]890static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]891{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]892 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]893 struct urb *urb;
894 unsigned char *buf;
895 unsigned int pipe;
Vikram Kandukuri290ba202009-07-02 14:31:59 +0530[diff] [blame]896 int err, size = HCI_MAX_FRAME_SIZE;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]897
898 BT_DBG("%s", hdev->name);
899
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]900 if (!data->bulk_rx_ep)
901 return -ENODEV;
902
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]903 urb = usb_alloc_urb(0, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]904 if (!urb)
905 return -ENOMEM;
906
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]907 buf = kmalloc(size, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]908 if (!buf) {
909 usb_free_urb(urb);
910 return -ENOMEM;
911 }
912
913 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
914
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]915 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
916 btusb_bulk_complete, hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]917
918 urb->transfer_flags |= URB_FREE_BUFFER;
919
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]920 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]921 usb_anchor_urb(urb, &data->bulk_anchor);
922
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]923 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]924 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200[diff] [blame]925 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]926 bt_dev_err(hdev, "urb %p submission failed (%d)",
927 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]928 usb_unanchor_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]929 }
930
931 usb_free_urb(urb);
932
933 return err;
934}
935
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]936static void btusb_isoc_complete(struct urb *urb)
937{
938 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]939 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]940 int i, err;
941
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]942 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
943 urb->actual_length);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]944
945 if (!test_bit(HCI_RUNNING, &hdev->flags))
946 return;
947
948 if (urb->status == 0) {
949 for (i = 0; i < urb->number_of_packets; i++) {
950 unsigned int offset = urb->iso_frame_desc[i].offset;
951 unsigned int length = urb->iso_frame_desc[i].actual_length;
952
953 if (urb->iso_frame_desc[i].status)
954 continue;
955
956 hdev->stat.byte_rx += length;
957
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]958 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
959 length) < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]960 bt_dev_err(hdev, "corrupted SCO packet");
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]961 hdev->stat.err_rx++;
962 }
963 }
Champion Chen85560c42014-09-06 14:06:08 -0500[diff] [blame]964 } else if (urb->status == -ENOENT) {
965 /* Avoid suspend failed when usb_kill_urb */
966 return;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]967 }
968
969 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
970 return;
971
972 usb_anchor_urb(urb, &data->isoc_anchor);
973
974 err = usb_submit_urb(urb, GFP_ATOMIC);
975 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]976 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]977 * -ENODEV: device got disconnected
978 */
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]979 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]980 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
981 urb, -err);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]982 usb_unanchor_urb(urb);
983 }
984}
985
Jesper Juhl42b16b32011-01-17 00:09:38 +0100[diff] [blame]986static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]987{
988 int i, offset = 0;
989
990 BT_DBG("len %d mtu %d", len, mtu);
991
992 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
993 i++, offset += mtu, len -= mtu) {
994 urb->iso_frame_desc[i].offset = offset;
995 urb->iso_frame_desc[i].length = mtu;
996 }
997
998 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
999 urb->iso_frame_desc[i].offset = offset;
1000 urb->iso_frame_desc[i].length = len;
1001 i++;
1002 }
1003
1004 urb->number_of_packets = i;
1005}
1006
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1007static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1008{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1009 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1010 struct urb *urb;
1011 unsigned char *buf;
1012 unsigned int pipe;
1013 int err, size;
1014
1015 BT_DBG("%s", hdev->name);
1016
1017 if (!data->isoc_rx_ep)
1018 return -ENODEV;
1019
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1020 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1021 if (!urb)
1022 return -ENOMEM;
1023
1024 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
1025 BTUSB_MAX_ISOC_FRAMES;
1026
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1027 buf = kmalloc(size, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1028 if (!buf) {
1029 usb_free_urb(urb);
1030 return -ENOMEM;
1031 }
1032
1033 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
1034
Bing Zhaofa0fb932011-12-20 18:19:00 -0800[diff] [blame]1035 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1036 hdev, data->isoc_rx_ep->bInterval);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1037
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1038 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1039
1040 __fill_isoc_descriptor(urb, size,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1041 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1042
1043 usb_anchor_urb(urb, &data->isoc_anchor);
1044
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1045 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1046 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200[diff] [blame]1047 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1048 bt_dev_err(hdev, "urb %p submission failed (%d)",
1049 urb, -err);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1050 usb_unanchor_urb(urb);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1051 }
1052
1053 usb_free_urb(urb);
1054
1055 return err;
1056}
1057
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1058static void btusb_diag_complete(struct urb *urb)
1059{
1060 struct hci_dev *hdev = urb->context;
1061 struct btusb_data *data = hci_get_drvdata(hdev);
1062 int err;
1063
1064 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1065 urb->actual_length);
1066
1067 if (urb->status == 0) {
1068 struct sk_buff *skb;
1069
1070 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
1071 if (skb) {
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]1072 skb_put_data(skb, urb->transfer_buffer,
1073 urb->actual_length);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1074 hci_recv_diag(hdev, skb);
1075 }
1076 } else if (urb->status == -ENOENT) {
1077 /* Avoid suspend failed when usb_kill_urb */
1078 return;
1079 }
1080
1081 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
1082 return;
1083
1084 usb_anchor_urb(urb, &data->diag_anchor);
1085 usb_mark_last_busy(data->udev);
1086
1087 err = usb_submit_urb(urb, GFP_ATOMIC);
1088 if (err < 0) {
1089 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]1090 * -ENODEV: device got disconnected
1091 */
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1092 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1093 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1094 urb, -err);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1095 usb_unanchor_urb(urb);
1096 }
1097}
1098
1099static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
1100{
1101 struct btusb_data *data = hci_get_drvdata(hdev);
1102 struct urb *urb;
1103 unsigned char *buf;
1104 unsigned int pipe;
1105 int err, size = HCI_MAX_FRAME_SIZE;
1106
1107 BT_DBG("%s", hdev->name);
1108
1109 if (!data->diag_rx_ep)
1110 return -ENODEV;
1111
1112 urb = usb_alloc_urb(0, mem_flags);
1113 if (!urb)
1114 return -ENOMEM;
1115
1116 buf = kmalloc(size, mem_flags);
1117 if (!buf) {
1118 usb_free_urb(urb);
1119 return -ENOMEM;
1120 }
1121
1122 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
1123
1124 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
1125 btusb_diag_complete, hdev);
1126
1127 urb->transfer_flags |= URB_FREE_BUFFER;
1128
1129 usb_mark_last_busy(data->udev);
1130 usb_anchor_urb(urb, &data->diag_anchor);
1131
1132 err = usb_submit_urb(urb, mem_flags);
1133 if (err < 0) {
1134 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1135 bt_dev_err(hdev, "urb %p submission failed (%d)",
1136 urb, -err);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1137 usb_unanchor_urb(urb);
1138 }
1139
1140 usb_free_urb(urb);
1141
1142 return err;
1143}
1144
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1145static void btusb_tx_complete(struct urb *urb)
1146{
1147 struct sk_buff *skb = urb->context;
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1148 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1149 struct btusb_data *data = hci_get_drvdata(hdev);
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]1150 unsigned long flags;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1151
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1152 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1153 urb->actual_length);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1154
1155 if (!test_bit(HCI_RUNNING, &hdev->flags))
1156 goto done;
1157
1158 if (!urb->status)
1159 hdev->stat.byte_tx += urb->transfer_buffer_length;
1160 else
1161 hdev->stat.err_tx++;
1162
1163done:
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]1164 spin_lock_irqsave(&data->txlock, flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1165 data->tx_in_flight--;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]1166 spin_unlock_irqrestore(&data->txlock, flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1167
1168 kfree(urb->setup_packet);
1169
1170 kfree_skb(skb);
1171}
1172
1173static void btusb_isoc_tx_complete(struct urb *urb)
1174{
1175 struct sk_buff *skb = urb->context;
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1176 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1177
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1178 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1179 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1180
1181 if (!test_bit(HCI_RUNNING, &hdev->flags))
1182 goto done;
1183
1184 if (!urb->status)
1185 hdev->stat.byte_tx += urb->transfer_buffer_length;
1186 else
1187 hdev->stat.err_tx++;
1188
1189done:
1190 kfree(urb->setup_packet);
1191
1192 kfree_skb(skb);
1193}
1194
1195static int btusb_open(struct hci_dev *hdev)
1196{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1197 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1198 int err;
1199
1200 BT_DBG("%s", hdev->name);
1201
Ethan Hsiehc7e163f2016-10-07 12:06:42 +0800[diff] [blame]1202 err = usb_autopm_get_interface(data->intf);
1203 if (err < 0)
1204 return err;
1205
Kim, Ben Young Taeace31982015-02-15 23:06:14 +0000[diff] [blame]1206 /* Patching USB firmware files prior to starting any URBs of HCI path
1207 * It is more safe to use USB bulk channel for downloading USB patch
1208 */
1209 if (data->setup_on_usb) {
1210 err = data->setup_on_usb(hdev);
Marcel Holtmanneb500422015-04-16 23:15:50 +0200[diff] [blame]1211 if (err < 0)
Oliver Neukum3d44a6f2019-11-14 16:01:18 +0100[diff] [blame]1212 goto setup_fail;
Kim, Ben Young Taeace31982015-02-15 23:06:14 +0000[diff] [blame]1213 }
1214
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1215 data->intf->needs_remote_wakeup = 1;
1216
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]1217 /* Disable device remote wakeup when host is suspended
1218 * For Realtek chips, global suspend without
1219 * SET_FEATURE (DEVICE_REMOTE_WAKEUP) can save more power in device.
1220 */
1221 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
1222 device_wakeup_disable(&data->udev->dev);
1223
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1224 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1225 goto done;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1226
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1227 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1228 if (err < 0)
1229 goto failed;
1230
1231 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1232 if (err < 0) {
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1233 usb_kill_anchored_urbs(&data->intr_anchor);
1234 goto failed;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1235 }
1236
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1237 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1238 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1239
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1240 if (data->diag) {
1241 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1242 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1243 }
1244
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1245done:
1246 usb_autopm_put_interface(data->intf);
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1247 return 0;
1248
1249failed:
1250 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Oliver Neukum3d44a6f2019-11-14 16:01:18 +0100[diff] [blame]1251setup_fail:
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1252 usb_autopm_put_interface(data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1253 return err;
1254}
1255
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1256static void btusb_stop_traffic(struct btusb_data *data)
1257{
1258 usb_kill_anchored_urbs(&data->intr_anchor);
1259 usb_kill_anchored_urbs(&data->bulk_anchor);
1260 usb_kill_anchored_urbs(&data->isoc_anchor);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1261 usb_kill_anchored_urbs(&data->diag_anchor);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]1262 usb_kill_anchored_urbs(&data->ctrl_anchor);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1263}
1264
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1265static int btusb_close(struct hci_dev *hdev)
1266{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1267 struct btusb_data *data = hci_get_drvdata(hdev);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1268 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1269
1270 BT_DBG("%s", hdev->name);
1271
Marcel Holtmanne8c3c3d2008-09-23 00:16:36 +0200[diff] [blame]1272 cancel_work_sync(&data->work);
Linus Torvalds404291a2009-11-11 13:32:29 -0800[diff] [blame]1273 cancel_work_sync(&data->waker);
Marcel Holtmanne8c3c3d2008-09-23 00:16:36 +0200[diff] [blame]1274
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1275 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1276 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1277 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1278 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1279
1280 btusb_stop_traffic(data);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]1281 btusb_free_frags(data);
1282
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1283 err = usb_autopm_get_interface(data->intf);
1284 if (err < 0)
Oliver Neukum7b8e2c12009-11-13 14:26:23 +0100[diff] [blame]1285 goto failed;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1286
1287 data->intf->needs_remote_wakeup = 0;
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]1288
1289 /* Enable remote wake up for auto-suspend */
1290 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
1291 data->intf->needs_remote_wakeup = 1;
1292
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1293 usb_autopm_put_interface(data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1294
Oliver Neukum7b8e2c12009-11-13 14:26:23 +0100[diff] [blame]1295failed:
1296 usb_scuttle_anchored_urbs(&data->deferred);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1297 return 0;
1298}
1299
1300static int btusb_flush(struct hci_dev *hdev)
1301{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1302 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1303
1304 BT_DBG("%s", hdev->name);
1305
1306 usb_kill_anchored_urbs(&data->tx_anchor);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]1307 btusb_free_frags(data);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1308
1309 return 0;
1310}
1311
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1312static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1313{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1314 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1315 struct usb_ctrlrequest *dr;
1316 struct urb *urb;
1317 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1318
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1319 urb = usb_alloc_urb(0, GFP_KERNEL);
1320 if (!urb)
1321 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1322
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1323 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1324 if (!dr) {
1325 usb_free_urb(urb);
1326 return ERR_PTR(-ENOMEM);
1327 }
1328
1329 dr->bRequestType = data->cmdreq_type;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]1330 dr->bRequest = data->cmdreq;
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1331 dr->wIndex = 0;
1332 dr->wValue = 0;
1333 dr->wLength = __cpu_to_le16(skb->len);
1334
1335 pipe = usb_sndctrlpipe(data->udev, 0x00);
1336
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1337 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1338 skb->data, skb->len, btusb_tx_complete, skb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1339
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1340 skb->dev = (void *)hdev;
Marcel Holtmann7bd8f092013-10-11 06:19:18 -0700[diff] [blame]1341
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1342 return urb;
1343}
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1344
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1345static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1346{
1347 struct btusb_data *data = hci_get_drvdata(hdev);
1348 struct urb *urb;
1349 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1350
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1351 if (!data->bulk_tx_ep)
1352 return ERR_PTR(-ENODEV);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1353
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1354 urb = usb_alloc_urb(0, GFP_KERNEL);
1355 if (!urb)
1356 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1357
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1358 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1359
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1360 usb_fill_bulk_urb(urb, data->udev, pipe,
1361 skb->data, skb->len, btusb_tx_complete, skb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1362
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1363 skb->dev = (void *)hdev;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1364
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1365 return urb;
1366}
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1367
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1368static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1369{
1370 struct btusb_data *data = hci_get_drvdata(hdev);
1371 struct urb *urb;
1372 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1373
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1374 if (!data->isoc_tx_ep)
1375 return ERR_PTR(-ENODEV);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1376
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1377 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1378 if (!urb)
1379 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1380
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1381 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1382
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1383 usb_fill_int_urb(urb, data->udev, pipe,
1384 skb->data, skb->len, btusb_isoc_tx_complete,
1385 skb, data->isoc_tx_ep->bInterval);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1386
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1387 urb->transfer_flags = URB_ISO_ASAP;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1388
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1389 __fill_isoc_descriptor(urb, skb->len,
1390 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1391
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1392 skb->dev = (void *)hdev;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1393
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1394 return urb;
1395}
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1396
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1397static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1398{
1399 struct btusb_data *data = hci_get_drvdata(hdev);
1400 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1401
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1402 usb_anchor_urb(urb, &data->tx_anchor);
1403
Johan Hedberge9753ef2014-09-14 08:49:34 +0300[diff] [blame]1404 err = usb_submit_urb(urb, GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1405 if (err < 0) {
Paul Bolle5a9b80e2011-10-09 12:12:16 +0200[diff] [blame]1406 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1407 bt_dev_err(hdev, "urb %p submission failed (%d)",
1408 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1409 kfree(urb->setup_packet);
1410 usb_unanchor_urb(urb);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1411 } else {
1412 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1413 }
1414
Cong Wang54a8a792011-11-22 09:32:57 +0800[diff] [blame]1415 usb_free_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1416 return err;
1417}
1418
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1419static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1420{
1421 struct btusb_data *data = hci_get_drvdata(hdev);
1422 unsigned long flags;
1423 bool suspending;
1424
1425 spin_lock_irqsave(&data->txlock, flags);
1426 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1427 if (!suspending)
1428 data->tx_in_flight++;
1429 spin_unlock_irqrestore(&data->txlock, flags);
1430
1431 if (!suspending)
1432 return submit_tx_urb(hdev, urb);
1433
1434 usb_anchor_urb(urb, &data->deferred);
1435 schedule_work(&data->waker);
1436
1437 usb_free_urb(urb);
1438 return 0;
1439}
1440
1441static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1442{
1443 struct urb *urb;
1444
1445 BT_DBG("%s", hdev->name);
1446
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]1447 switch (hci_skb_pkt_type(skb)) {
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1448 case HCI_COMMAND_PKT:
1449 urb = alloc_ctrl_urb(hdev, skb);
1450 if (IS_ERR(urb))
1451 return PTR_ERR(urb);
1452
1453 hdev->stat.cmd_tx++;
1454 return submit_or_queue_tx_urb(hdev, urb);
1455
1456 case HCI_ACLDATA_PKT:
1457 urb = alloc_bulk_urb(hdev, skb);
1458 if (IS_ERR(urb))
1459 return PTR_ERR(urb);
1460
1461 hdev->stat.acl_tx++;
1462 return submit_or_queue_tx_urb(hdev, urb);
1463
1464 case HCI_SCODATA_PKT:
1465 if (hci_conn_num(hdev, SCO_LINK) < 1)
1466 return -ENODEV;
1467
1468 urb = alloc_isoc_urb(hdev, skb);
1469 if (IS_ERR(urb))
1470 return PTR_ERR(urb);
1471
1472 hdev->stat.sco_tx++;
1473 return submit_tx_urb(hdev, urb);
1474 }
1475
1476 return -EILSEQ;
1477}
1478
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1479static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1480{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1481 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1482
1483 BT_DBG("%s evt %d", hdev->name, evt);
1484
Marcel Holtmann014f7bc2013-10-10 09:47:55 -0700[diff] [blame]1485 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1486 data->sco_num = hci_conn_num(hdev, SCO_LINK);
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1487 schedule_work(&data->work);
Marcel Holtmanna780efa2008-11-30 12:17:12 +0100[diff] [blame]1488 }
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1489}
1490
Jesper Juhl42b16b32011-01-17 00:09:38 +0100[diff] [blame]1491static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1492{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1493 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1494 struct usb_interface *intf = data->isoc;
1495 struct usb_endpoint_descriptor *ep_desc;
1496 int i, err;
1497
1498 if (!data->isoc)
1499 return -ENODEV;
1500
Marcel Holtmann459232f2017-10-24 19:42:45 +0200[diff] [blame]1501 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1502 if (err < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1503 bt_dev_err(hdev, "setting interface failed (%d)", -err);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1504 return err;
1505 }
1506
1507 data->isoc_altsetting = altsetting;
1508
1509 data->isoc_tx_ep = NULL;
1510 data->isoc_rx_ep = NULL;
1511
1512 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1513 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1514
1515 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1516 data->isoc_tx_ep = ep_desc;
1517 continue;
1518 }
1519
1520 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1521 data->isoc_rx_ep = ep_desc;
1522 continue;
1523 }
1524 }
1525
1526 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1527 bt_dev_err(hdev, "invalid SCO descriptors");
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1528 return -ENODEV;
1529 }
1530
1531 return 0;
1532}
1533
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1534static void btusb_work(struct work_struct *work)
1535{
1536 struct btusb_data *data = container_of(work, struct btusb_data, work);
1537 struct hci_dev *hdev = data->hdev;
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1538 int new_alts;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1539 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1540
Marcel Holtmann014f7bc2013-10-10 09:47:55 -0700[diff] [blame]1541 if (data->sco_num > 0) {
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]1542 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
Oliver Neukum8efdd0c2011-02-11 13:00:06 +0100[diff] [blame]1543 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1544 if (err < 0) {
1545 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1546 usb_kill_anchored_urbs(&data->isoc_anchor);
1547 return;
1548 }
1549
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]1550 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1551 }
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1552
1553 if (hdev->voice_setting & 0x0020) {
1554 static const int alts[3] = { 2, 4, 5 };
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1555
Marcel Holtmann014f7bc2013-10-10 09:47:55 -0700[diff] [blame]1556 new_alts = alts[data->sco_num - 1];
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1557 } else {
Marcel Holtmann014f7bc2013-10-10 09:47:55 -0700[diff] [blame]1558 new_alts = data->sco_num;
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1559 }
1560
1561 if (data->isoc_altsetting != new_alts) {
Kuba Pawlakf6fc86f2015-10-28 15:18:05 +0100[diff] [blame]1562 unsigned long flags;
1563
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1564 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1565 usb_kill_anchored_urbs(&data->isoc_anchor);
1566
Kuba Pawlak8f9d02f2015-09-10 17:07:00 +0100[diff] [blame]1567 /* When isochronous alternate setting needs to be
1568 * changed, because SCO connection has been added
1569 * or removed, a packet fragment may be left in the
1570 * reassembling state. This could lead to wrongly
1571 * assembled fragments.
1572 *
1573 * Clear outstanding fragment when selecting a new
1574 * alternate setting.
1575 */
Kuba Pawlakf6fc86f2015-10-28 15:18:05 +0100[diff] [blame]1576 spin_lock_irqsave(&data->rxlock, flags);
Kuba Pawlak8f9d02f2015-09-10 17:07:00 +0100[diff] [blame]1577 kfree_skb(data->sco_skb);
1578 data->sco_skb = NULL;
Kuba Pawlakf6fc86f2015-10-28 15:18:05 +0100[diff] [blame]1579 spin_unlock_irqrestore(&data->rxlock, flags);
Kuba Pawlak8f9d02f2015-09-10 17:07:00 +0100[diff] [blame]1580
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1581 if (__set_isoc_interface(hdev, new_alts) < 0)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1582 return;
1583 }
1584
1585 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1586 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1587 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1588 else
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1589 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1590 }
1591 } else {
1592 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1593 usb_kill_anchored_urbs(&data->isoc_anchor);
1594
1595 __set_isoc_interface(hdev, 0);
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]1596 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
Oliver Neukum8efdd0c2011-02-11 13:00:06 +0100[diff] [blame]1597 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1598 }
1599}
1600
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1601static void btusb_waker(struct work_struct *work)
1602{
1603 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1604 int err;
1605
1606 err = usb_autopm_get_interface(data->intf);
1607 if (err < 0)
1608 return;
1609
1610 usb_autopm_put_interface(data->intf);
1611}
1612
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]1613static int btusb_setup_bcm92035(struct hci_dev *hdev)
1614{
1615 struct sk_buff *skb;
1616 u8 val = 0x00;
1617
1618 BT_DBG("%s", hdev->name);
1619
1620 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1621 if (IS_ERR(skb))
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1622 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb));
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]1623 else
1624 kfree_skb(skb);
1625
1626 return 0;
1627}
1628
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1629static int btusb_setup_csr(struct hci_dev *hdev)
1630{
1631 struct hci_rp_read_local_version *rp;
1632 struct sk_buff *skb;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1633
1634 BT_DBG("%s", hdev->name);
1635
Marcel Holtmann7cd84d72015-06-07 10:01:02 +0200[diff] [blame]1636 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1637 HCI_INIT_TIMEOUT);
1638 if (IS_ERR(skb)) {
1639 int err = PTR_ERR(skb);
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1640 bt_dev_err(hdev, "CSR: Local version failed (%d)", err);
Marcel Holtmann7cd84d72015-06-07 10:01:02 +0200[diff] [blame]1641 return err;
1642 }
1643
1644 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1645 bt_dev_err(hdev, "CSR: Local version length mismatch");
Marcel Holtmann7cd84d72015-06-07 10:01:02 +0200[diff] [blame]1646 kfree_skb(skb);
1647 return -EIO;
1648 }
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1649
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1650 rp = (struct hci_rp_read_local_version *)skb->data;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1651
Johan Hedberg6cafcd92015-08-30 21:47:21 +0300[diff] [blame]1652 /* Detect controllers which aren't real CSR ones. */
1653 if (le16_to_cpu(rp->manufacturer) != 10 ||
1654 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
Marcel Holtmann9641d342015-06-07 10:01:01 +0200[diff] [blame]1655 /* Clear the reset quirk since this is not an actual
1656 * early Bluetooth 1.1 device from CSR.
1657 */
1658 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1659
Marcel Holtmann9641d342015-06-07 10:01:01 +0200[diff] [blame]1660 /* These fake CSR controllers have all a broken
1661 * stored link key handling and so just disable it.
1662 */
1663 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1664 }
1665
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1666 kfree_skb(skb);
1667
Marcel Holtmann9641d342015-06-07 10:01:01 +0200[diff] [blame]1668 return 0;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1669}
1670
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1671static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1672 struct intel_version *ver)
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1673{
1674 const struct firmware *fw;
1675 char fwname[64];
1676 int ret;
1677
1678 snprintf(fwname, sizeof(fwname),
1679 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1680 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1681 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1682 ver->fw_build_ww, ver->fw_build_yy);
1683
1684 ret = request_firmware(&fw, fwname, &hdev->dev);
1685 if (ret < 0) {
1686 if (ret == -EINVAL) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1687 bt_dev_err(hdev, "Intel firmware file request failed (%d)",
1688 ret);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1689 return NULL;
1690 }
1691
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1692 bt_dev_err(hdev, "failed to open Intel firmware file: %s (%d)",
1693 fwname, ret);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1694
1695 /* If the correct firmware patch file is not found, use the
1696 * default firmware patch file instead
1697 */
1698 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1699 ver->hw_platform, ver->hw_variant);
1700 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1701 bt_dev_err(hdev, "failed to open default fw file: %s",
1702 fwname);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1703 return NULL;
1704 }
1705 }
1706
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1707 bt_dev_info(hdev, "Intel Bluetooth firmware file: %s", fwname);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1708
1709 return fw;
1710}
1711
1712static int btusb_setup_intel_patching(struct hci_dev *hdev,
1713 const struct firmware *fw,
1714 const u8 **fw_ptr, int *disable_patch)
1715{
1716 struct sk_buff *skb;
1717 struct hci_command_hdr *cmd;
1718 const u8 *cmd_param;
1719 struct hci_event_hdr *evt = NULL;
1720 const u8 *evt_param = NULL;
1721 int remain = fw->size - (*fw_ptr - fw->data);
1722
1723 /* The first byte indicates the types of the patch command or event.
1724 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1725 * in the current firmware buffer doesn't start with 0x01 or
1726 * the size of remain buffer is smaller than HCI command header,
1727 * the firmware file is corrupted and it should stop the patching
1728 * process.
1729 */
1730 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1731 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd read");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1732 return -EINVAL;
1733 }
1734 (*fw_ptr)++;
1735 remain--;
1736
1737 cmd = (struct hci_command_hdr *)(*fw_ptr);
1738 *fw_ptr += sizeof(*cmd);
1739 remain -= sizeof(*cmd);
1740
1741 /* Ensure that the remain firmware data is long enough than the length
1742 * of command parameter. If not, the firmware file is corrupted.
1743 */
1744 if (remain < cmd->plen) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1745 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd len");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1746 return -EFAULT;
1747 }
1748
1749 /* If there is a command that loads a patch in the firmware
1750 * file, then enable the patch upon success, otherwise just
1751 * disable the manufacturer mode, for example patch activation
1752 * is not required when the default firmware patch file is used
1753 * because there are no patch data to load.
1754 */
1755 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1756 *disable_patch = 0;
1757
1758 cmd_param = *fw_ptr;
1759 *fw_ptr += cmd->plen;
1760 remain -= cmd->plen;
1761
1762 /* This reads the expected events when the above command is sent to the
1763 * device. Some vendor commands expects more than one events, for
1764 * example command status event followed by vendor specific event.
1765 * For this case, it only keeps the last expected event. so the command
1766 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1767 * last expected event.
1768 */
1769 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1770 (*fw_ptr)++;
1771 remain--;
1772
1773 evt = (struct hci_event_hdr *)(*fw_ptr);
1774 *fw_ptr += sizeof(*evt);
1775 remain -= sizeof(*evt);
1776
1777 if (remain < evt->plen) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1778 bt_dev_err(hdev, "Intel fw corrupted: invalid evt len");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1779 return -EFAULT;
1780 }
1781
1782 evt_param = *fw_ptr;
1783 *fw_ptr += evt->plen;
1784 remain -= evt->plen;
1785 }
1786
1787 /* Every HCI commands in the firmware file has its correspond event.
1788 * If event is not found or remain is smaller than zero, the firmware
1789 * file is corrupted.
1790 */
1791 if (!evt || !evt_param || remain < 0) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1792 bt_dev_err(hdev, "Intel fw corrupted: invalid evt read");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1793 return -EFAULT;
1794 }
1795
1796 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1797 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1798 if (IS_ERR(skb)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1799 bt_dev_err(hdev, "sending Intel patch command (0x%4.4x) failed (%ld)",
1800 cmd->opcode, PTR_ERR(skb));
Adam Leed9c78e92013-07-10 10:02:12 +0800[diff] [blame]1801 return PTR_ERR(skb);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1802 }
1803
1804 /* It ensures that the returned event matches the event data read from
1805 * the firmware file. At fist, it checks the length and then
1806 * the contents of the event.
1807 */
1808 if (skb->len != evt->plen) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1809 bt_dev_err(hdev, "mismatch event length (opcode 0x%4.4x)",
1810 le16_to_cpu(cmd->opcode));
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1811 kfree_skb(skb);
1812 return -EFAULT;
1813 }
1814
1815 if (memcmp(skb->data, evt_param, evt->plen)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1816 bt_dev_err(hdev, "mismatch event parameter (opcode 0x%4.4x)",
1817 le16_to_cpu(cmd->opcode));
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1818 kfree_skb(skb);
1819 return -EFAULT;
1820 }
1821 kfree_skb(skb);
1822
1823 return 0;
1824}
1825
1826static int btusb_setup_intel(struct hci_dev *hdev)
1827{
1828 struct sk_buff *skb;
1829 const struct firmware *fw;
1830 const u8 *fw_ptr;
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1831 int disable_patch, err;
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1832 struct intel_version ver;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1833
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1834 BT_DBG("%s", hdev->name);
1835
1836 /* The controller has a bug with the first HCI command sent to it
1837 * returning number of completed commands as zero. This would stall the
1838 * command processing in the Bluetooth core.
1839 *
1840 * As a workaround, send HCI Reset command first which will reset the
1841 * number of completed commands and allow normal command processing
1842 * from now on.
1843 */
1844 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1845 if (IS_ERR(skb)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1846 bt_dev_err(hdev, "sending initial HCI reset command failed (%ld)",
1847 PTR_ERR(skb));
Adam Leed9c78e92013-07-10 10:02:12 +0800[diff] [blame]1848 return PTR_ERR(skb);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1849 }
1850 kfree_skb(skb);
1851
1852 /* Read Intel specific controller version first to allow selection of
1853 * which firmware file to load.
1854 *
1855 * The returned information are hardware variant and revision plus
1856 * firmware variant, revision and build number.
1857 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1858 err = btintel_read_version(hdev, &ver);
1859 if (err)
1860 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1861
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1862 bt_dev_info(hdev, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1863 ver.hw_platform, ver.hw_variant, ver.hw_revision,
1864 ver.fw_variant, ver.fw_revision, ver.fw_build_num,
1865 ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1866
1867 /* fw_patch_num indicates the version of patch the device currently
1868 * have. If there is no patch data in the device, it is always 0x00.
Minjune Kim5075eda2015-08-27 13:21:52 +0900[diff] [blame]1869 * 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]1870 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1871 if (ver.fw_patch_num) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1872 bt_dev_info(hdev, "Intel device is already patched. "
1873 "patch num: %02x", ver.fw_patch_num);
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1874 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1875 }
1876
1877 /* Opens the firmware patch file based on the firmware version read
1878 * from the controller. If it fails to open the matching firmware
1879 * patch file, it tries to open the default firmware patch file.
1880 * If no patch file is found, allow the device to operate without
1881 * a patch.
1882 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1883 fw = btusb_setup_intel_get_fw(hdev, &ver);
1884 if (!fw)
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1885 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1886 fw_ptr = fw->data;
1887
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1888 /* Enable the manufacturer mode of the controller.
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1889 * Only while this mode is enabled, the driver can download the
1890 * firmware patch data and configuration parameters.
1891 */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1892 err = btintel_enter_mfg(hdev);
1893 if (err) {
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1894 release_firmware(fw);
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1895 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1896 }
1897
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1898 disable_patch = 1;
1899
1900 /* The firmware data file consists of list of Intel specific HCI
1901 * commands and its expected events. The first byte indicates the
1902 * type of the message, either HCI command or HCI event.
1903 *
1904 * It reads the command and its expected event from the firmware file,
1905 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1906 * the returned event is compared with the event read from the firmware
1907 * file and it will continue until all the messages are downloaded to
1908 * the controller.
1909 *
1910 * Once the firmware patching is completed successfully,
1911 * the manufacturer mode is disabled with reset and activating the
1912 * downloaded patch.
1913 *
1914 * If the firmware patching fails, the manufacturer mode is
1915 * disabled with reset and deactivating the patch.
1916 *
1917 * If the default patch file is used, no reset is done when disabling
1918 * the manufacturer.
1919 */
1920 while (fw->size > fw_ptr - fw->data) {
1921 int ret;
1922
1923 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1924 &disable_patch);
1925 if (ret < 0)
1926 goto exit_mfg_deactivate;
1927 }
1928
1929 release_firmware(fw);
1930
1931 if (disable_patch)
1932 goto exit_mfg_disable;
1933
1934 /* Patching completed successfully and disable the manufacturer mode
1935 * with reset and activate the downloaded firmware patches.
1936 */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1937 err = btintel_exit_mfg(hdev, true, true);
1938 if (err)
1939 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1940
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1941 bt_dev_info(hdev, "Intel firmware patch completed and activated");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1942
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1943 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1944
1945exit_mfg_disable:
1946 /* Disable the manufacturer mode without reset */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1947 err = btintel_exit_mfg(hdev, false, false);
1948 if (err)
1949 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1950
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1951 bt_dev_info(hdev, "Intel firmware patch completed");
Marcel Holtmann40cb0982014-07-02 12:06:45 +0200[diff] [blame]1952
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1953 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1954
1955exit_mfg_deactivate:
1956 release_firmware(fw);
1957
1958 /* Patching failed. Disable the manufacturer mode with reset and
1959 * deactivate the downloaded firmware patches.
1960 */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1961 err = btintel_exit_mfg(hdev, true, false);
1962 if (err)
1963 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1964
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1965 bt_dev_info(hdev, "Intel firmware patch completed and deactivated");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1966
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1967complete:
1968 /* Set the event mask for Intel specific vendor events. This enables
1969 * a few extra events that are useful during general operation.
1970 */
1971 btintel_set_event_mask_mfg(hdev, false);
1972
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]1973 btintel_check_bdaddr(hdev);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1974 return 0;
1975}
1976
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1977static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1978{
1979 struct sk_buff *skb;
1980 struct hci_event_hdr *hdr;
1981 struct hci_ev_cmd_complete *evt;
1982
Jia-Ju Baicf07e342018-07-23 11:38:51 +0800[diff] [blame]1983 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1984 if (!skb)
1985 return -ENOMEM;
1986
Johannes Berg4df864c2017-06-16 14:29:21 +0200[diff] [blame]1987 hdr = skb_put(skb, sizeof(*hdr));
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1988 hdr->evt = HCI_EV_CMD_COMPLETE;
1989 hdr->plen = sizeof(*evt) + 1;
1990
Johannes Berg4df864c2017-06-16 14:29:21 +0200[diff] [blame]1991 evt = skb_put(skb, sizeof(*evt));
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1992 evt->ncmd = 0x01;
1993 evt->opcode = cpu_to_le16(opcode);
1994
Johannes Berg634fef62017-06-16 14:29:24 +0200[diff] [blame]1995 skb_put_u8(skb, 0x00);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1996
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]1997 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1998
1999 return hci_recv_frame(hdev, skb);
2000}
2001
2002static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
2003 int count)
2004{
2005 /* When the device is in bootloader mode, then it can send
2006 * events via the bulk endpoint. These events are treated the
2007 * same way as the ones received from the interrupt endpoint.
2008 */
2009 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
2010 return btusb_recv_intr(data, buffer, count);
2011
2012 return btusb_recv_bulk(data, buffer, count);
2013}
2014
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2015static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
2016 unsigned int len)
2017{
2018 const struct intel_bootup *evt = ptr;
2019
2020 if (len != sizeof(*evt))
2021 return;
2022
Andrea Parridff6d592018-11-27 12:22:25 +0100[diff] [blame]2023 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags))
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2024 wake_up_bit(&data->flags, BTUSB_BOOTING);
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2025}
2026
2027static void btusb_intel_secure_send_result(struct btusb_data *data,
2028 const void *ptr, unsigned int len)
2029{
2030 const struct intel_secure_send_result *evt = ptr;
2031
2032 if (len != sizeof(*evt))
2033 return;
2034
2035 if (evt->result)
2036 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
2037
2038 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
Andrea Parridff6d592018-11-27 12:22:25 +0100[diff] [blame]2039 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags))
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2040 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2041}
2042
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2043static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
2044{
2045 struct btusb_data *data = hci_get_drvdata(hdev);
2046
2047 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
2048 struct hci_event_hdr *hdr = (void *)skb->data;
2049
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2050 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
2051 hdr->plen > 0) {
2052 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
2053 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2054
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2055 switch (skb->data[2]) {
2056 case 0x02:
2057 /* When switching to the operational firmware
2058 * the device sends a vendor specific event
2059 * indicating that the bootup completed.
2060 */
2061 btusb_intel_bootup(data, ptr, len);
2062 break;
2063 case 0x06:
2064 /* When the firmware loading completes the
2065 * device sends out a vendor specific event
2066 * indicating the result of the firmware
2067 * loading.
2068 */
2069 btusb_intel_secure_send_result(data, ptr, len);
2070 break;
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2071 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2072 }
2073 }
2074
2075 return hci_recv_frame(hdev, skb);
2076}
2077
2078static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
2079{
2080 struct btusb_data *data = hci_get_drvdata(hdev);
2081 struct urb *urb;
2082
2083 BT_DBG("%s", hdev->name);
2084
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]2085 switch (hci_skb_pkt_type(skb)) {
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2086 case HCI_COMMAND_PKT:
2087 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
2088 struct hci_command_hdr *cmd = (void *)skb->data;
2089 __u16 opcode = le16_to_cpu(cmd->opcode);
2090
2091 /* When in bootloader mode and the command 0xfc09
2092 * is received, it needs to be send down the
2093 * bulk endpoint. So allocate a bulk URB instead.
2094 */
2095 if (opcode == 0xfc09)
2096 urb = alloc_bulk_urb(hdev, skb);
2097 else
2098 urb = alloc_ctrl_urb(hdev, skb);
2099
2100 /* When the 0xfc01 command is issued to boot into
2101 * the operational firmware, it will actually not
2102 * send a command complete event. To keep the flow
2103 * control working inject that event here.
2104 */
2105 if (opcode == 0xfc01)
2106 inject_cmd_complete(hdev, opcode);
2107 } else {
2108 urb = alloc_ctrl_urb(hdev, skb);
2109 }
2110 if (IS_ERR(urb))
2111 return PTR_ERR(urb);
2112
2113 hdev->stat.cmd_tx++;
2114 return submit_or_queue_tx_urb(hdev, urb);
2115
2116 case HCI_ACLDATA_PKT:
2117 urb = alloc_bulk_urb(hdev, skb);
2118 if (IS_ERR(urb))
2119 return PTR_ERR(urb);
2120
2121 hdev->stat.acl_tx++;
2122 return submit_or_queue_tx_urb(hdev, urb);
2123
2124 case HCI_SCODATA_PKT:
2125 if (hci_conn_num(hdev, SCO_LINK) < 1)
2126 return -ENODEV;
2127
2128 urb = alloc_isoc_urb(hdev, skb);
2129 if (IS_ERR(urb))
2130 return PTR_ERR(urb);
2131
2132 hdev->stat.sco_tx++;
2133 return submit_tx_urb(hdev, urb);
2134 }
2135
2136 return -EILSEQ;
2137}
2138
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2139static bool btusb_setup_intel_new_get_fw_name(struct intel_version *ver,
2140 struct intel_boot_params *params,
2141 char *fw_name, size_t len,
2142 const char *suffix)
2143{
2144 switch (ver->hw_variant) {
2145 case 0x0b: /* SfP */
2146 case 0x0c: /* WsP */
2147 snprintf(fw_name, len, "intel/ibt-%u-%u.%s",
2148 le16_to_cpu(ver->hw_variant),
2149 le16_to_cpu(params->dev_revid),
2150 suffix);
2151 break;
2152 case 0x11: /* JfP */
2153 case 0x12: /* ThP */
2154 case 0x13: /* HrP */
2155 case 0x14: /* CcP */
2156 snprintf(fw_name, len, "intel/ibt-%u-%u-%u.%s",
2157 le16_to_cpu(ver->hw_variant),
2158 le16_to_cpu(ver->hw_revision),
2159 le16_to_cpu(ver->fw_revision),
2160 suffix);
2161 break;
2162 default:
2163 return false;
2164 }
2165 return true;
2166}
2167
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2168static int btusb_setup_intel_new(struct hci_dev *hdev)
2169{
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2170 struct btusb_data *data = hci_get_drvdata(hdev);
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2171 struct intel_version ver;
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2172 struct intel_boot_params params;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2173 const struct firmware *fw;
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2174 u32 boot_param;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2175 char fwname[64];
2176 ktime_t calltime, delta, rettime;
2177 unsigned long long duration;
2178 int err;
2179
2180 BT_DBG("%s", hdev->name);
2181
Tedd Ho-Jeong An04d729b2018-01-24 09:19:19 -0800[diff] [blame]2182 /* Set the default boot parameter to 0x0 and it is updated to
2183 * SKU specific boot parameter after reading Intel_Write_Boot_Params
2184 * command while downloading the firmware.
2185 */
2186 boot_param = 0x00000000;
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2187
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2188 calltime = ktime_get();
2189
2190 /* Read the Intel version information to determine if the device
2191 * is in bootloader mode or if it already has operational firmware
2192 * loaded.
2193 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2194 err = btintel_read_version(hdev, &ver);
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2195 if (err) {
2196 bt_dev_err(hdev, "Intel Read version failed (%d)", err);
2197 btintel_reset_to_bootloader(hdev);
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2198 return err;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2199 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2200
2201 /* The hardware platform number has a fixed value of 0x37 and
2202 * for now only accept this single value.
2203 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2204 if (ver.hw_platform != 0x37) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2205 bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)",
2206 ver.hw_platform);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2207 return -EINVAL;
2208 }
2209
Tedd Ho-Jeong An92688342017-03-06 15:38:26 -0800[diff] [blame]2210 /* Check for supported iBT hardware variants of this firmware
2211 * loading method.
Tedd Ho-Jeong Ana0af53b2016-05-06 11:53:46 -0700[diff] [blame]2212 *
2213 * This check has been put in place to ensure correct forward
2214 * compatibility options when newer hardware variants come along.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2215 */
Tedd Ho-Jeong An92688342017-03-06 15:38:26 -0800[diff] [blame]2216 switch (ver.hw_variant) {
2217 case 0x0b: /* SfP */
2218 case 0x0c: /* WsP */
Tedd Ho-Jeong An86a61292017-05-01 13:35:12 -0700[diff] [blame]2219 case 0x11: /* JfP */
Marcel Holtmannde766142017-03-06 15:38:28 -0800[diff] [blame]2220 case 0x12: /* ThP */
Tedd Ho-Jeong An1ce0cec2018-02-05 14:20:36 -0800[diff] [blame]2221 case 0x13: /* HrP */
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2222 case 0x14: /* CcP */
Tedd Ho-Jeong An92688342017-03-06 15:38:26 -0800[diff] [blame]2223 break;
2224 default:
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2225 bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
2226 ver.hw_variant);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2227 return -EINVAL;
2228 }
2229
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2230 btintel_version_info(hdev, &ver);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2231
2232 /* The firmware variant determines if the device is in bootloader
2233 * mode or is running operational firmware. The value 0x06 identifies
2234 * the bootloader and the value 0x23 identifies the operational
2235 * firmware.
2236 *
2237 * When the operational firmware is already present, then only
2238 * the check for valid Bluetooth device address is needed. This
2239 * determines if the device will be added as configured or
2240 * unconfigured controller.
2241 *
2242 * It is not possible to use the Secure Boot Parameters in this
2243 * case since that command is only available in bootloader mode.
2244 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2245 if (ver.fw_variant == 0x23) {
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2246 clear_bit(BTUSB_BOOTLOADER, &data->flags);
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]2247 btintel_check_bdaddr(hdev);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2248 return 0;
2249 }
2250
2251 /* If the device is not in bootloader mode, then the only possible
2252 * choice is to return an error and abort the device initialization.
2253 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2254 if (ver.fw_variant != 0x06) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2255 bt_dev_err(hdev, "Unsupported Intel firmware variant (%u)",
2256 ver.fw_variant);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2257 return -ENODEV;
2258 }
2259
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2260 /* Read the secure boot parameters to identify the operating
2261 * details of the bootloader.
2262 */
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2263 err = btintel_read_boot_params(hdev, &params);
2264 if (err)
2265 return err;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2266
2267 /* It is required that every single firmware fragment is acknowledged
2268 * with a command complete event. If the boot parameters indicate
2269 * that this bootloader does not send them, then abort the setup.
2270 */
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2271 if (params.limited_cce != 0x00) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2272 bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)",
2273 params.limited_cce);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2274 return -EINVAL;
2275 }
2276
2277 /* If the OTP has no valid Bluetooth device address, then there will
2278 * also be no valid address for the operational firmware.
2279 */
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2280 if (!bacmp(&params.otp_bdaddr, BDADDR_ANY)) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2281 bt_dev_info(hdev, "No device address configured");
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2282 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2283 }
2284
2285 /* With this Intel bootloader only the hardware variant and device
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2286 * revision information are used to select the right firmware for SfP
2287 * and WsP.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2288 *
Tedd Ho-Jeong An230b04a2016-06-28 08:56:39 -0700[diff] [blame]2289 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
2290 *
2291 * Currently the supported hardware variants are:
2292 * 11 (0x0b) for iBT3.0 (LnP/SfP)
2293 * 12 (0x0c) for iBT3.5 (WsP)
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2294 *
2295 * For ThP/JfP and for future SKU's, the FW name varies based on HW
2296 * variant, HW revision and FW revision, as these are dependent on CNVi
2297 * and RF Combination.
2298 *
Tedd Ho-Jeong An86a61292017-05-01 13:35:12 -0700[diff] [blame]2299 * 17 (0x11) for iBT3.5 (JfP)
2300 * 18 (0x12) for iBT3.5 (ThP)
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2301 *
2302 * The firmware file name for these will be
2303 * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi.
2304 *
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2305 */
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2306 err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
2307 sizeof(fwname), "sfi");
2308 if (!err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2309 bt_dev_err(hdev, "Unsupported Intel firmware naming");
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2310 return -EINVAL;
2311 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2312
2313 err = request_firmware(&fw, fwname, &hdev->dev);
2314 if (err < 0) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2315 bt_dev_err(hdev, "Failed to load Intel firmware file (%d)", err);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2316 return err;
2317 }
2318
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2319 bt_dev_info(hdev, "Found device firmware: %s", fwname);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2320
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2321 /* Save the DDC file name for later use to apply once the firmware
2322 * downloading is done.
2323 */
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2324 err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
2325 sizeof(fwname), "ddc");
2326 if (!err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2327 bt_dev_err(hdev, "Unsupported Intel firmware naming");
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2328 return -EINVAL;
2329 }
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2330
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2331 if (fw->size < 644) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2332 bt_dev_err(hdev, "Invalid size of firmware file (%zu)",
2333 fw->size);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2334 err = -EBADF;
2335 goto done;
2336 }
2337
2338 set_bit(BTUSB_DOWNLOADING, &data->flags);
2339
Tedd Ho-Jeong Anfbbe83c2018-01-24 09:19:21 -0800[diff] [blame]2340 /* Start firmware downloading and get boot parameter */
2341 err = btintel_download_firmware(hdev, fw, &boot_param);
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2342 if (err < 0) {
2343 /* When FW download fails, send Intel Reset to retry
2344 * FW download.
2345 */
2346 btintel_reset_to_bootloader(hdev);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2347 goto done;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2348 }
Marcel Holtmannce6bb922015-01-28 01:58:40 -0800[diff] [blame]2349 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2350
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2351 bt_dev_info(hdev, "Waiting for firmware download to complete");
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2352
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2353 /* Before switching the device into operational mode and with that
2354 * booting the loaded firmware, wait for the bootloader notification
2355 * that all fragments have been successfully received.
2356 *
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2357 * When the event processing receives the notification, then the
2358 * BTUSB_DOWNLOADING flag will be cleared.
2359 *
2360 * The firmware loading should not take longer than 5 seconds
2361 * and thus just timeout if that happens and fail the setup
2362 * of this device.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2363 */
Johan Hedberg129a7692015-02-14 09:33:35 +0200[diff] [blame]2364 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2365 TASK_INTERRUPTIBLE,
2366 msecs_to_jiffies(5000));
Bart Van Asschef0a70a02016-08-11 16:02:44 -0700[diff] [blame]2367 if (err == -EINTR) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2368 bt_dev_err(hdev, "Firmware loading interrupted");
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2369 goto done;
2370 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2371
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2372 if (err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2373 bt_dev_err(hdev, "Firmware loading timeout");
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2374 err = -ETIMEDOUT;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2375 btintel_reset_to_bootloader(hdev);
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2376 goto done;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2377 }
2378
2379 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2380 bt_dev_err(hdev, "Firmware loading failed");
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2381 err = -ENOEXEC;
2382 goto done;
2383 }
2384
2385 rettime = ktime_get();
2386 delta = ktime_sub(rettime, calltime);
2387 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2388
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2389 bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2390
2391done:
2392 release_firmware(fw);
2393
2394 if (err < 0)
2395 return err;
2396
2397 calltime = ktime_get();
2398
2399 set_bit(BTUSB_BOOTING, &data->flags);
2400
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2401 err = btintel_send_intel_reset(hdev, boot_param);
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2402 if (err) {
2403 bt_dev_err(hdev, "Intel Soft Reset failed (%d)", err);
2404 btintel_reset_to_bootloader(hdev);
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2405 return err;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2406 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2407
2408 /* The bootloader will not indicate when the device is ready. This
2409 * is done by the operational firmware sending bootup notification.
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2410 *
2411 * Booting into operational firmware should not take longer than
2412 * 1 second. However if that happens, then just fail the setup
2413 * since something went wrong.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2414 */
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2415 bt_dev_info(hdev, "Waiting for device to boot");
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2416
Johan Hedberg129a7692015-02-14 09:33:35 +0200[diff] [blame]2417 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2418 TASK_INTERRUPTIBLE,
2419 msecs_to_jiffies(1000));
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2420
Bart Van Asschef0a70a02016-08-11 16:02:44 -0700[diff] [blame]2421 if (err == -EINTR) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2422 bt_dev_err(hdev, "Device boot interrupted");
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2423 return -EINTR;
2424 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2425
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2426 if (err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2427 bt_dev_err(hdev, "Device boot timeout");
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2428 btintel_reset_to_bootloader(hdev);
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2429 return -ETIMEDOUT;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2430 }
2431
2432 rettime = ktime_get();
2433 delta = ktime_sub(rettime, calltime);
2434 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2435
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2436 bt_dev_info(hdev, "Device booted in %llu usecs", duration);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2437
2438 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2439
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2440 /* Once the device is running in operational mode, it needs to apply
2441 * the device configuration (DDC) parameters.
2442 *
2443 * The device can work without DDC parameters, so even if it fails
2444 * to load the file, no need to fail the setup.
2445 */
Loic Poulaine924d3d2015-09-04 17:54:36 +0200[diff] [blame]2446 btintel_load_ddc_config(hdev, fwname);
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2447
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]2448 /* Set the event mask for Intel specific vendor events. This enables
2449 * a few extra events that are useful during general operation. It
2450 * does not enable any debugging related events.
2451 *
2452 * The device will function correctly without these events enabled
2453 * and thus no need to fail the setup.
2454 */
2455 btintel_set_event_mask(hdev, false);
2456
Amit K Bag74ffdf22019-09-27 08:21:54 +0530[diff] [blame]2457 /* Read the Intel version information after loading the FW */
2458 err = btintel_read_version(hdev, &ver);
2459 if (err)
2460 return err;
2461
2462 btintel_version_info(hdev, &ver);
2463
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2464 return 0;
2465}
2466
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]2467static int btusb_shutdown_intel(struct hci_dev *hdev)
2468{
2469 struct sk_buff *skb;
2470 long ret;
2471
Amit K Bag1313bcc2018-08-03 12:43:20 +0530[diff] [blame]2472 /* In the shutdown sequence where Bluetooth is turned off followed
2473 * by WiFi being turned off, turning WiFi back on causes issue with
2474 * the RF calibration.
2475 *
2476 * To ensure that any RF activity has been stopped, issue HCI Reset
2477 * command to clear all ongoing activity including advertising,
2478 * scanning etc.
2479 */
2480 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
2481 if (IS_ERR(skb)) {
2482 ret = PTR_ERR(skb);
2483 bt_dev_err(hdev, "HCI reset during shutdown failed");
2484 return ret;
2485 }
2486 kfree_skb(skb);
2487
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]2488 /* Some platforms have an issue with BT LED when the interface is
2489 * down or BT radio is turned off, which takes 5 seconds to BT LED
2490 * goes off. This command turns off the BT LED immediately.
2491 */
2492 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2493 if (IS_ERR(skb)) {
2494 ret = PTR_ERR(skb);
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2495 bt_dev_err(hdev, "turning off Intel device LED failed");
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]2496 return ret;
2497 }
2498 kfree_skb(skb);
2499
2500 return 0;
2501}
2502
Raghuram Hegde017a01c2019-01-29 17:54:48 +0530[diff] [blame]2503static int btusb_shutdown_intel_new(struct hci_dev *hdev)
2504{
2505 struct sk_buff *skb;
2506
2507 /* Send HCI Reset to the controller to stop any BT activity which
2508 * were triggered. This will help to save power and maintain the
2509 * sync b/w Host and controller
2510 */
2511 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
2512 if (IS_ERR(skb)) {
2513 bt_dev_err(hdev, "HCI reset during shutdown failed");
2514 return PTR_ERR(skb);
2515 }
2516 kfree_skb(skb);
2517
2518 return 0;
2519}
2520
Sean Wang9ce67c32019-06-02 08:02:49 +0800[diff] [blame]2521#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2522#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
2523
2524#define HCI_WMT_MAX_EVENT_SIZE 64
2525
2526enum {
2527 BTMTK_WMT_PATCH_DWNLD = 0x1,
2528 BTMTK_WMT_FUNC_CTRL = 0x6,
2529 BTMTK_WMT_RST = 0x7,
2530 BTMTK_WMT_SEMAPHORE = 0x17,
2531};
2532
2533enum {
2534 BTMTK_WMT_INVALID,
2535 BTMTK_WMT_PATCH_UNDONE,
2536 BTMTK_WMT_PATCH_DONE,
2537 BTMTK_WMT_ON_UNDONE,
2538 BTMTK_WMT_ON_DONE,
2539 BTMTK_WMT_ON_PROGRESS,
2540};
2541
2542struct btmtk_wmt_hdr {
2543 u8 dir;
2544 u8 op;
2545 __le16 dlen;
2546 u8 flag;
2547} __packed;
2548
2549struct btmtk_hci_wmt_cmd {
2550 struct btmtk_wmt_hdr hdr;
2551 u8 data[256];
2552} __packed;
2553
2554struct btmtk_hci_wmt_evt {
2555 struct hci_event_hdr hhdr;
2556 struct btmtk_wmt_hdr whdr;
2557} __packed;
2558
2559struct btmtk_hci_wmt_evt_funcc {
2560 struct btmtk_hci_wmt_evt hwhdr;
2561 __be16 status;
2562} __packed;
2563
2564struct btmtk_tci_sleep {
2565 u8 mode;
2566 __le16 duration;
2567 __le16 host_duration;
2568 u8 host_wakeup_pin;
2569 u8 time_compensation;
2570} __packed;
2571
2572struct btmtk_hci_wmt_params {
2573 u8 op;
2574 u8 flag;
2575 u16 dlen;
2576 const void *data;
2577 u32 *status;
2578};
2579
2580static void btusb_mtk_wmt_recv(struct urb *urb)
2581{
2582 struct hci_dev *hdev = urb->context;
2583 struct btusb_data *data = hci_get_drvdata(hdev);
2584 struct hci_event_hdr *hdr;
2585 struct sk_buff *skb;
2586 int err;
2587
2588 if (urb->status == 0 && urb->actual_length > 0) {
2589 hdev->stat.byte_rx += urb->actual_length;
2590
2591 /* WMT event shouldn't be fragmented and the size should be
2592 * less than HCI_WMT_MAX_EVENT_SIZE.
2593 */
2594 skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
2595 if (!skb) {
2596 hdev->stat.err_rx++;
2597 goto err_out;
2598 }
2599
2600 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
2601 skb_put_data(skb, urb->transfer_buffer, urb->actual_length);
2602
2603 hdr = (void *)skb->data;
2604 /* Fix up the vendor event id with 0xff for vendor specific
2605 * instead of 0xe4 so that event send via monitoring socket can
2606 * be parsed properly.
2607 */
2608 hdr->evt = 0xff;
2609
2610 /* When someone waits for the WMT event, the skb is being cloned
2611 * and being processed the events from there then.
2612 */
2613 if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) {
Johan Hovold22cc6b72019-11-28 19:24:27 +0100[diff] [blame]2614 data->evt_skb = skb_clone(skb, GFP_ATOMIC);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2615 if (!data->evt_skb)
2616 goto err_out;
2617 }
2618
2619 err = hci_recv_frame(hdev, skb);
2620 if (err < 0)
2621 goto err_free_skb;
2622
2623 if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT,
2624 &data->flags)) {
2625 /* Barrier to sync with other CPUs */
2626 smp_mb__after_atomic();
2627 wake_up_bit(&data->flags,
2628 BTUSB_TX_WAIT_VND_EVT);
2629 }
2630err_out:
2631 return;
2632err_free_skb:
2633 kfree_skb(data->evt_skb);
2634 data->evt_skb = NULL;
2635 return;
2636 } else if (urb->status == -ENOENT) {
2637 /* Avoid suspend failed when usb_kill_urb */
2638 return;
2639 }
2640
2641 usb_mark_last_busy(data->udev);
2642
2643 /* The URB complete handler is still called with urb->actual_length = 0
2644 * when the event is not available, so we should keep re-submitting
2645 * URB until WMT event returns, Also, It's necessary to wait some time
2646 * between the two consecutive control URBs to relax the target device
2647 * to generate the event. Otherwise, the WMT event cannot return from
2648 * the device successfully.
2649 */
2650 udelay(100);
2651
2652 usb_anchor_urb(urb, &data->ctrl_anchor);
2653 err = usb_submit_urb(urb, GFP_ATOMIC);
2654 if (err < 0) {
2655 /* -EPERM: urb is being killed;
2656 * -ENODEV: device got disconnected
2657 */
2658 if (err != -EPERM && err != -ENODEV)
2659 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
2660 urb, -err);
2661 usb_unanchor_urb(urb);
2662 }
2663}
2664
2665static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev)
2666{
2667 struct btusb_data *data = hci_get_drvdata(hdev);
2668 struct usb_ctrlrequest *dr;
2669 unsigned char *buf;
2670 int err, size = 64;
2671 unsigned int pipe;
2672 struct urb *urb;
2673
2674 urb = usb_alloc_urb(0, GFP_KERNEL);
2675 if (!urb)
2676 return -ENOMEM;
2677
2678 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
2679 if (!dr) {
2680 usb_free_urb(urb);
2681 return -ENOMEM;
2682 }
2683
2684 dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
2685 dr->bRequest = 1;
2686 dr->wIndex = cpu_to_le16(0);
2687 dr->wValue = cpu_to_le16(48);
2688 dr->wLength = cpu_to_le16(size);
2689
2690 buf = kmalloc(size, GFP_KERNEL);
2691 if (!buf) {
2692 kfree(dr);
2693 return -ENOMEM;
2694 }
2695
2696 pipe = usb_rcvctrlpipe(data->udev, 0);
2697
2698 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
2699 buf, size, btusb_mtk_wmt_recv, hdev);
2700
2701 urb->transfer_flags |= URB_FREE_BUFFER;
2702
2703 usb_anchor_urb(urb, &data->ctrl_anchor);
2704 err = usb_submit_urb(urb, GFP_KERNEL);
2705 if (err < 0) {
2706 if (err != -EPERM && err != -ENODEV)
2707 bt_dev_err(hdev, "urb %p submission failed (%d)",
2708 urb, -err);
2709 usb_unanchor_urb(urb);
2710 }
2711
2712 usb_free_urb(urb);
2713
2714 return err;
2715}
2716
2717static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
2718 struct btmtk_hci_wmt_params *wmt_params)
2719{
2720 struct btusb_data *data = hci_get_drvdata(hdev);
2721 struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
2722 u32 hlen, status = BTMTK_WMT_INVALID;
2723 struct btmtk_hci_wmt_evt *wmt_evt;
2724 struct btmtk_hci_wmt_cmd wc;
2725 struct btmtk_wmt_hdr *hdr;
2726 int err;
2727
2728 /* Submit control IN URB on demand to process the WMT event */
2729 err = btusb_mtk_submit_wmt_recv_urb(hdev);
2730 if (err < 0)
2731 return err;
2732
2733 /* Send the WMT command and wait until the WMT event returns */
2734 hlen = sizeof(*hdr) + wmt_params->dlen;
2735 if (hlen > 255)
2736 return -EINVAL;
2737
2738 hdr = (struct btmtk_wmt_hdr *)&wc;
2739 hdr->dir = 1;
2740 hdr->op = wmt_params->op;
2741 hdr->dlen = cpu_to_le16(wmt_params->dlen + 1);
2742 hdr->flag = wmt_params->flag;
2743 memcpy(wc.data, wmt_params->data, wmt_params->dlen);
2744
2745 set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2746
2747 err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc);
2748
2749 if (err < 0) {
2750 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2751 return err;
2752 }
2753
2754 /* The vendor specific WMT commands are all answered by a vendor
2755 * specific event and will have the Command Status or Command
2756 * Complete as with usual HCI command flow control.
2757 *
2758 * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT
2759 * state to be cleared. The driver specific event receive routine
2760 * will clear that state and with that indicate completion of the
2761 * WMT command.
2762 */
2763 err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT,
2764 TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT);
2765 if (err == -EINTR) {
2766 bt_dev_err(hdev, "Execution of wmt command interrupted");
2767 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2768 return err;
2769 }
2770
2771 if (err) {
2772 bt_dev_err(hdev, "Execution of wmt command timed out");
2773 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2774 return -ETIMEDOUT;
2775 }
2776
2777 /* Parse and handle the return WMT event */
2778 wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data;
2779 if (wmt_evt->whdr.op != hdr->op) {
2780 bt_dev_err(hdev, "Wrong op received %d expected %d",
2781 wmt_evt->whdr.op, hdr->op);
2782 err = -EIO;
2783 goto err_free_skb;
2784 }
2785
2786 switch (wmt_evt->whdr.op) {
2787 case BTMTK_WMT_SEMAPHORE:
2788 if (wmt_evt->whdr.flag == 2)
2789 status = BTMTK_WMT_PATCH_UNDONE;
2790 else
2791 status = BTMTK_WMT_PATCH_DONE;
2792 break;
2793 case BTMTK_WMT_FUNC_CTRL:
2794 wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt;
2795 if (be16_to_cpu(wmt_evt_funcc->status) == 0x404)
2796 status = BTMTK_WMT_ON_DONE;
2797 else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420)
2798 status = BTMTK_WMT_ON_PROGRESS;
2799 else
2800 status = BTMTK_WMT_ON_UNDONE;
2801 break;
2802 }
2803
2804 if (wmt_params->status)
2805 *wmt_params->status = status;
2806
2807err_free_skb:
2808 kfree_skb(data->evt_skb);
2809 data->evt_skb = NULL;
2810
2811 return err;
2812}
2813
2814static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
2815{
2816 struct btmtk_hci_wmt_params wmt_params;
2817 const struct firmware *fw;
2818 const u8 *fw_ptr;
2819 size_t fw_size;
2820 int err, dlen;
2821 u8 flag;
2822
2823 err = request_firmware(&fw, fwname, &hdev->dev);
2824 if (err < 0) {
2825 bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
2826 return err;
2827 }
2828
2829 fw_ptr = fw->data;
2830 fw_size = fw->size;
2831
2832 /* The size of patch header is 30 bytes, should be skip */
Wei Yongjun5ee63102019-07-10 06:12:22 +0000[diff] [blame]2833 if (fw_size < 30) {
2834 err = -EINVAL;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2835 goto err_release_fw;
Wei Yongjun5ee63102019-07-10 06:12:22 +0000[diff] [blame]2836 }
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2837
2838 fw_size -= 30;
2839 fw_ptr += 30;
2840 flag = 1;
2841
2842 wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
2843 wmt_params.status = NULL;
2844
2845 while (fw_size > 0) {
2846 dlen = min_t(int, 250, fw_size);
2847
2848 /* Tell deivice the position in sequence */
2849 if (fw_size - dlen <= 0)
2850 flag = 3;
2851 else if (fw_size < fw->size - 30)
2852 flag = 2;
2853
2854 wmt_params.flag = flag;
2855 wmt_params.dlen = dlen;
2856 wmt_params.data = fw_ptr;
2857
2858 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2859 if (err < 0) {
2860 bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
2861 err);
2862 goto err_release_fw;
2863 }
2864
2865 fw_size -= dlen;
2866 fw_ptr += dlen;
2867 }
2868
2869 wmt_params.op = BTMTK_WMT_RST;
2870 wmt_params.flag = 4;
2871 wmt_params.dlen = 0;
2872 wmt_params.data = NULL;
2873 wmt_params.status = NULL;
2874
2875 /* Activate funciton the firmware providing to */
2876 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2877 if (err < 0) {
2878 bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
Colin Ian King3168c192019-11-29 17:36:35 +0000[diff] [blame]2879 goto err_release_fw;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2880 }
2881
2882 /* Wait a few moments for firmware activation done */
2883 usleep_range(10000, 12000);
2884
2885err_release_fw:
2886 release_firmware(fw);
2887
2888 return err;
2889}
2890
2891static int btusb_mtk_func_query(struct hci_dev *hdev)
2892{
2893 struct btmtk_hci_wmt_params wmt_params;
2894 int status, err;
2895 u8 param = 0;
2896
2897 /* Query whether the function is enabled */
2898 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
2899 wmt_params.flag = 4;
2900 wmt_params.dlen = sizeof(param);
2901 wmt_params.data = &param;
2902 wmt_params.status = &status;
2903
2904 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2905 if (err < 0) {
2906 bt_dev_err(hdev, "Failed to query function status (%d)", err);
2907 return err;
2908 }
2909
2910 return status;
2911}
2912
2913static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val)
2914{
2915 int pipe, err, size = sizeof(u32);
2916 void *buf;
2917
2918 buf = kzalloc(size, GFP_KERNEL);
2919 if (!buf)
2920 return -ENOMEM;
2921
2922 pipe = usb_rcvctrlpipe(data->udev, 0);
2923 err = usb_control_msg(data->udev, pipe, 0x63,
2924 USB_TYPE_VENDOR | USB_DIR_IN,
2925 reg >> 16, reg & 0xffff,
2926 buf, size, USB_CTRL_SET_TIMEOUT);
2927 if (err < 0)
2928 goto err_free_buf;
2929
2930 *val = get_unaligned_le32(buf);
2931
2932err_free_buf:
2933 kfree(buf);
2934
2935 return err;
2936}
2937
2938static int btusb_mtk_id_get(struct btusb_data *data, u32 *id)
2939{
2940 return btusb_mtk_reg_read(data, 0x80000008, id);
2941}
2942
2943static int btusb_mtk_setup(struct hci_dev *hdev)
2944{
2945 struct btusb_data *data = hci_get_drvdata(hdev);
2946 struct btmtk_hci_wmt_params wmt_params;
2947 ktime_t calltime, delta, rettime;
2948 struct btmtk_tci_sleep tci_sleep;
2949 unsigned long long duration;
2950 struct sk_buff *skb;
2951 const char *fwname;
2952 int err, status;
2953 u32 dev_id;
2954 u8 param;
2955
2956 calltime = ktime_get();
2957
2958 err = btusb_mtk_id_get(data, &dev_id);
2959 if (err < 0) {
2960 bt_dev_err(hdev, "Failed to get device id (%d)", err);
2961 return err;
2962 }
2963
2964 switch (dev_id) {
Sean Wang9ce67c32019-06-02 08:02:49 +0800[diff] [blame]2965 case 0x7663:
2966 fwname = FIRMWARE_MT7663;
2967 break;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2968 case 0x7668:
2969 fwname = FIRMWARE_MT7668;
2970 break;
2971 default:
2972 bt_dev_err(hdev, "Unsupported support hardware variant (%08x)",
2973 dev_id);
2974 return -ENODEV;
2975 }
2976
2977 /* Query whether the firmware is already download */
2978 wmt_params.op = BTMTK_WMT_SEMAPHORE;
2979 wmt_params.flag = 1;
2980 wmt_params.dlen = 0;
2981 wmt_params.data = NULL;
2982 wmt_params.status = &status;
2983
2984 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2985 if (err < 0) {
2986 bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
2987 return err;
2988 }
2989
2990 if (status == BTMTK_WMT_PATCH_DONE) {
2991 bt_dev_info(hdev, "firmware already downloaded");
2992 goto ignore_setup_fw;
2993 }
2994
2995 /* Setup a firmware which the device definitely requires */
2996 err = btusb_mtk_setup_firmware(hdev, fwname);
2997 if (err < 0)
2998 return err;
2999
3000ignore_setup_fw:
3001 err = readx_poll_timeout(btusb_mtk_func_query, hdev, status,
3002 status < 0 || status != BTMTK_WMT_ON_PROGRESS,
3003 2000, 5000000);
3004 /* -ETIMEDOUT happens */
3005 if (err < 0)
3006 return err;
3007
3008 /* The other errors happen in btusb_mtk_func_query */
3009 if (status < 0)
3010 return status;
3011
3012 if (status == BTMTK_WMT_ON_DONE) {
3013 bt_dev_info(hdev, "function already on");
3014 goto ignore_func_on;
3015 }
3016
3017 /* Enable Bluetooth protocol */
3018 param = 1;
3019 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3020 wmt_params.flag = 0;
3021 wmt_params.dlen = sizeof(param);
3022 wmt_params.data = &param;
3023 wmt_params.status = NULL;
3024
3025 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3026 if (err < 0) {
3027 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3028 return err;
3029 }
3030
3031ignore_func_on:
3032 /* Apply the low power environment setup */
3033 tci_sleep.mode = 0x5;
3034 tci_sleep.duration = cpu_to_le16(0x640);
3035 tci_sleep.host_duration = cpu_to_le16(0x640);
3036 tci_sleep.host_wakeup_pin = 0;
3037 tci_sleep.time_compensation = 0;
3038
3039 skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
3040 HCI_INIT_TIMEOUT);
3041 if (IS_ERR(skb)) {
3042 err = PTR_ERR(skb);
3043 bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
3044 return err;
3045 }
3046 kfree_skb(skb);
3047
3048 rettime = ktime_get();
3049 delta = ktime_sub(rettime, calltime);
3050 duration = (unsigned long long)ktime_to_ns(delta) >> 10;
3051
3052 bt_dev_info(hdev, "Device setup in %llu usecs", duration);
3053
3054 return 0;
3055}
3056
3057static int btusb_mtk_shutdown(struct hci_dev *hdev)
3058{
3059 struct btmtk_hci_wmt_params wmt_params;
3060 u8 param = 0;
3061 int err;
3062
3063 /* Disable the device */
3064 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3065 wmt_params.flag = 0;
3066 wmt_params.dlen = sizeof(param);
3067 wmt_params.data = &param;
3068 wmt_params.status = NULL;
3069
3070 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3071 if (err < 0) {
3072 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3073 return err;
3074 }
3075
3076 return 0;
3077}
3078
Sean Wang9ce67c32019-06-02 08:02:49 +0800[diff] [blame]3079MODULE_FIRMWARE(FIRMWARE_MT7663);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3080MODULE_FIRMWARE(FIRMWARE_MT7668);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3081
Rajat Jaina4ccc9e2017-02-01 14:24:10 -0800[diff] [blame]3082#ifdef CONFIG_PM
3083/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
3084static int marvell_config_oob_wake(struct hci_dev *hdev)
3085{
3086 struct sk_buff *skb;
3087 struct btusb_data *data = hci_get_drvdata(hdev);
3088 struct device *dev = &data->udev->dev;
3089 u16 pin, gap, opcode;
3090 int ret;
3091 u8 cmd[5];
3092
3093 /* Move on if no wakeup pin specified */
3094 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
3095 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
3096 return 0;
3097
3098 /* Vendor specific command to configure a GPIO as wake-up pin */
3099 opcode = hci_opcode_pack(0x3F, 0x59);
3100 cmd[0] = opcode & 0xFF;
3101 cmd[1] = opcode >> 8;
3102 cmd[2] = 2; /* length of parameters that follow */
3103 cmd[3] = pin;
3104 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */
3105
3106 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
3107 if (!skb) {
3108 bt_dev_err(hdev, "%s: No memory\n", __func__);
3109 return -ENOMEM;
3110 }
3111
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]3112 skb_put_data(skb, cmd, sizeof(cmd));
Rajat Jaina4ccc9e2017-02-01 14:24:10 -0800[diff] [blame]3113 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
3114
3115 ret = btusb_send_frame(hdev, skb);
3116 if (ret) {
3117 bt_dev_err(hdev, "%s: configuration failed\n", __func__);
3118 kfree_skb(skb);
3119 return ret;
3120 }
3121
3122 return 0;
3123}
3124#endif
3125
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]3126static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
3127 const bdaddr_t *bdaddr)
3128{
3129 struct sk_buff *skb;
3130 u8 buf[8];
3131 long ret;
3132
3133 buf[0] = 0xfe;
3134 buf[1] = sizeof(bdaddr_t);
3135 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
3136
3137 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3138 if (IS_ERR(skb)) {
3139 ret = PTR_ERR(skb);
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3140 bt_dev_err(hdev, "changing Marvell device address failed (%ld)",
3141 ret);
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]3142 return ret;
3143 }
3144 kfree_skb(skb);
3145
3146 return 0;
3147}
3148
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3149static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
3150 const bdaddr_t *bdaddr)
3151{
3152 struct sk_buff *skb;
3153 u8 buf[10];
3154 long ret;
3155
3156 buf[0] = 0x01;
3157 buf[1] = 0x01;
3158 buf[2] = 0x00;
3159 buf[3] = sizeof(bdaddr_t);
3160 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
3161
3162 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3163 if (IS_ERR(skb)) {
3164 ret = PTR_ERR(skb);
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3165 bt_dev_err(hdev, "Change address command failed (%ld)", ret);
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3166 return ret;
3167 }
3168 kfree_skb(skb);
3169
3170 return 0;
3171}
3172
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3173#define QCA_DFU_PACKET_LEN 4096
3174
3175#define QCA_GET_TARGET_VERSION 0x09
3176#define QCA_CHECK_STATUS 0x05
3177#define QCA_DFU_DOWNLOAD 0x01
3178
3179#define QCA_SYSCFG_UPDATED 0x40
3180#define QCA_PATCH_UPDATED 0x80
3181#define QCA_DFU_TIMEOUT 3000
3182
3183struct qca_version {
3184 __le32 rom_version;
3185 __le32 patch_version;
3186 __le32 ram_version;
3187 __le32 ref_clock;
3188 __u8 reserved[4];
3189} __packed;
3190
3191struct qca_rampatch_version {
3192 __le16 rom_version;
3193 __le16 patch_version;
3194} __packed;
3195
3196struct qca_device_info {
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3197 u32 rom_version;
3198 u8 rampatch_hdr; /* length of header in rampatch */
3199 u8 nvm_hdr; /* length of header in NVM */
3200 u8 ver_offset; /* offset of version structure in rampatch */
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3201};
3202
3203static const struct qca_device_info qca_devices_table[] = {
3204 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
3205 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
Chan-yeol Park7f6e6362015-05-21 11:24:27 +0900[diff] [blame]3206 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3207 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
3208 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
3209 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
3210};
3211
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3212static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3213 void *data, u16 size)
3214{
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3215 int pipe, err;
3216 u8 *buf;
3217
3218 buf = kmalloc(size, GFP_KERNEL);
3219 if (!buf)
3220 return -ENOMEM;
3221
3222 /* Found some of USB hosts have IOT issues with ours so that we should
3223 * not wait until HCI layer is ready.
3224 */
3225 pipe = usb_rcvctrlpipe(udev, 0);
3226 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
3227 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3228 if (err < 0) {
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3229 dev_err(&udev->dev, "Failed to access otp area (%d)", err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3230 goto done;
3231 }
3232
3233 memcpy(data, buf, size);
3234
3235done:
3236 kfree(buf);
3237
3238 return err;
3239}
3240
3241static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
3242 const struct firmware *firmware,
3243 size_t hdr_size)
3244{
3245 struct btusb_data *btdata = hci_get_drvdata(hdev);
3246 struct usb_device *udev = btdata->udev;
3247 size_t count, size, sent = 0;
3248 int pipe, len, err;
3249 u8 *buf;
3250
3251 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
3252 if (!buf)
3253 return -ENOMEM;
3254
3255 count = firmware->size;
3256
3257 size = min_t(size_t, count, hdr_size);
3258 memcpy(buf, firmware->data, size);
3259
3260 /* USB patches should go down to controller through USB path
3261 * because binary format fits to go down through USB channel.
3262 * USB control path is for patching headers and USB bulk is for
3263 * patch body.
3264 */
3265 pipe = usb_sndctrlpipe(udev, 0);
3266 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
3267 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3268 if (err < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3269 bt_dev_err(hdev, "Failed to send headers (%d)", err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3270 goto done;
3271 }
3272
3273 sent += size;
3274 count -= size;
3275
3276 while (count) {
3277 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
3278
3279 memcpy(buf, firmware->data + sent, size);
3280
3281 pipe = usb_sndbulkpipe(udev, 0x02);
3282 err = usb_bulk_msg(udev, pipe, buf, size, &len,
3283 QCA_DFU_TIMEOUT);
3284 if (err < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3285 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)",
3286 sent, firmware->size, err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3287 break;
3288 }
3289
3290 if (size != len) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3291 bt_dev_err(hdev, "Failed to get bulk buffer");
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3292 err = -EILSEQ;
3293 break;
3294 }
3295
3296 sent += size;
3297 count -= size;
3298 }
3299
3300done:
3301 kfree(buf);
3302 return err;
3303}
3304
3305static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
3306 struct qca_version *ver,
3307 const struct qca_device_info *info)
3308{
3309 struct qca_rampatch_version *rver;
3310 const struct firmware *fw;
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3311 u32 ver_rom, ver_patch;
3312 u16 rver_rom, rver_patch;
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3313 char fwname[64];
3314 int err;
3315
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3316 ver_rom = le32_to_cpu(ver->rom_version);
3317 ver_patch = le32_to_cpu(ver->patch_version);
3318
3319 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3320
3321 err = request_firmware(&fw, fwname, &hdev->dev);
3322 if (err) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3323 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)",
3324 fwname, err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3325 return err;
3326 }
3327
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3328 bt_dev_info(hdev, "using rampatch file: %s", fwname);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3329
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3330 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
3331 rver_rom = le16_to_cpu(rver->rom_version);
3332 rver_patch = le16_to_cpu(rver->patch_version);
3333
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3334 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
3335 "firmware rome 0x%x build 0x%x",
3336 rver_rom, rver_patch, ver_rom, ver_patch);
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3337
3338 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3339 bt_dev_err(hdev, "rampatch file version did not match with firmware");
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3340 err = -EINVAL;
3341 goto done;
3342 }
3343
3344 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
3345
3346done:
3347 release_firmware(fw);
3348
3349 return err;
3350}
3351
3352static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
3353 struct qca_version *ver,
3354 const struct qca_device_info *info)
3355{
3356 const struct firmware *fw;
3357 char fwname[64];
3358 int err;
3359
3360 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
3361 le32_to_cpu(ver->rom_version));
3362
3363 err = request_firmware(&fw, fwname, &hdev->dev);
3364 if (err) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3365 bt_dev_err(hdev, "failed to request NVM file: %s (%d)",
3366 fwname, err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3367 return err;
3368 }
3369
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3370 bt_dev_info(hdev, "using NVM file: %s", fwname);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3371
3372 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
3373
3374 release_firmware(fw);
3375
3376 return err;
3377}
3378
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3379/* identify the ROM version and check whether patches are needed */
3380static bool btusb_qca_need_patch(struct usb_device *udev)
3381{
3382 struct qca_version ver;
3383
3384 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
3385 sizeof(ver)) < 0)
3386 return false;
3387 /* only low ROM versions need patches */
3388 return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
3389}
3390
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3391static int btusb_setup_qca(struct hci_dev *hdev)
3392{
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3393 struct btusb_data *btdata = hci_get_drvdata(hdev);
3394 struct usb_device *udev = btdata->udev;
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3395 const struct qca_device_info *info = NULL;
3396 struct qca_version ver;
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3397 u32 ver_rom;
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3398 u8 status;
3399 int i, err;
3400
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3401 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
Marcel Holtmanneb500422015-04-16 23:15:50 +0200[diff] [blame]3402 sizeof(ver));
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3403 if (err < 0)
3404 return err;
3405
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3406 ver_rom = le32_to_cpu(ver.rom_version);
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3407 /* Don't care about high ROM versions */
3408 if (ver_rom & ~0xffffU)
3409 return 0;
3410
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3411 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3412 if (ver_rom == qca_devices_table[i].rom_version)
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3413 info = &qca_devices_table[i];
3414 }
3415 if (!info) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3416 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]3417 return -ENODEV;
3418 }
3419
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3420 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3421 sizeof(status));
3422 if (err < 0)
3423 return err;
3424
3425 if (!(status & QCA_PATCH_UPDATED)) {
3426 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
3427 if (err < 0)
3428 return err;
3429 }
3430
3431 if (!(status & QCA_SYSCFG_UPDATED)) {
3432 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
3433 if (err < 0)
3434 return err;
3435 }
3436
3437 return 0;
3438}
3439
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3440static inline int __set_diag_interface(struct hci_dev *hdev)
3441{
3442 struct btusb_data *data = hci_get_drvdata(hdev);
3443 struct usb_interface *intf = data->diag;
3444 int i;
3445
3446 if (!data->diag)
3447 return -ENODEV;
3448
3449 data->diag_tx_ep = NULL;
3450 data->diag_rx_ep = NULL;
3451
3452 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3453 struct usb_endpoint_descriptor *ep_desc;
3454
3455 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3456
3457 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
3458 data->diag_tx_ep = ep_desc;
3459 continue;
3460 }
3461
3462 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
3463 data->diag_rx_ep = ep_desc;
3464 continue;
3465 }
3466 }
3467
3468 if (!data->diag_tx_ep || !data->diag_rx_ep) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3469 bt_dev_err(hdev, "invalid diagnostic descriptors");
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3470 return -ENODEV;
3471 }
3472
3473 return 0;
3474}
3475
3476static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
3477{
3478 struct btusb_data *data = hci_get_drvdata(hdev);
3479 struct sk_buff *skb;
3480 struct urb *urb;
3481 unsigned int pipe;
3482
3483 if (!data->diag_tx_ep)
3484 return ERR_PTR(-ENODEV);
3485
3486 urb = usb_alloc_urb(0, GFP_KERNEL);
3487 if (!urb)
3488 return ERR_PTR(-ENOMEM);
3489
3490 skb = bt_skb_alloc(2, GFP_KERNEL);
3491 if (!skb) {
3492 usb_free_urb(urb);
3493 return ERR_PTR(-ENOMEM);
3494 }
3495
Johannes Berg634fef62017-06-16 14:29:24 +0200[diff] [blame]3496 skb_put_u8(skb, 0xf0);
3497 skb_put_u8(skb, enable);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3498
3499 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
3500
3501 usb_fill_bulk_urb(urb, data->udev, pipe,
3502 skb->data, skb->len, btusb_tx_complete, skb);
3503
3504 skb->dev = (void *)hdev;
3505
3506 return urb;
3507}
3508
3509static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
3510{
3511 struct btusb_data *data = hci_get_drvdata(hdev);
3512 struct urb *urb;
3513
3514 if (!data->diag)
3515 return -ENODEV;
3516
3517 if (!test_bit(HCI_RUNNING, &hdev->flags))
3518 return -ENETDOWN;
3519
3520 urb = alloc_diag_urb(hdev, enable);
3521 if (IS_ERR(urb))
3522 return PTR_ERR(urb);
3523
3524 return submit_or_queue_tx_urb(hdev, urb);
3525}
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3526
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3527#ifdef CONFIG_PM
3528static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
3529{
3530 struct btusb_data *data = priv;
3531
3532 pm_wakeup_event(&data->udev->dev, 0);
Jeffy Chen017789f2017-02-24 14:24:29 +0800[diff] [blame]3533 pm_system_wakeup();
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3534
3535 /* Disable only if not already disabled (keep it balanced) */
3536 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
3537 disable_irq_nosync(irq);
3538 disable_irq_wake(irq);
3539 }
3540 return IRQ_HANDLED;
3541}
3542
3543static const struct of_device_id btusb_match_table[] = {
3544 { .compatible = "usb1286,204e" },
Brian Norris4c409af2019-02-22 14:53:43 -0800[diff] [blame]3545 { .compatible = "usbcf3,e300" }, /* QCA6174A */
3546 { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3547 { }
3548};
3549MODULE_DEVICE_TABLE(of, btusb_match_table);
3550
3551/* Use an oob wakeup pin? */
3552static int btusb_config_oob_wake(struct hci_dev *hdev)
3553{
3554 struct btusb_data *data = hci_get_drvdata(hdev);
3555 struct device *dev = &data->udev->dev;
3556 int irq, ret;
3557
3558 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
3559
3560 if (!of_match_device(btusb_match_table, dev))
3561 return 0;
3562
3563 /* Move on if no IRQ specified */
3564 irq = of_irq_get_byname(dev->of_node, "wakeup");
3565 if (irq <= 0) {
3566 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
3567 return 0;
3568 }
3569
Brian Norris771acc72019-04-09 11:49:17 -0700[diff] [blame]3570 irq_set_status_flags(irq, IRQ_NOAUTOEN);
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3571 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
3572 0, "OOB Wake-on-BT", data);
3573 if (ret) {
3574 bt_dev_err(hdev, "%s: IRQ request failed", __func__);
3575 return ret;
3576 }
3577
3578 ret = device_init_wakeup(dev, true);
3579 if (ret) {
3580 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
3581 return ret;
3582 }
3583
3584 data->oob_wake_irq = irq;
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3585 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
3586 return 0;
3587}
3588#endif
3589
Hans de Goedefc549102018-04-27 11:26:43 +0200[diff] [blame]3590static void btusb_check_needs_reset_resume(struct usb_interface *intf)
3591{
3592 if (dmi_check_system(btusb_needs_reset_resume_table))
3593 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
3594}
3595
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3596static int btusb_probe(struct usb_interface *intf,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]3597 const struct usb_device_id *id)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3598{
3599 struct usb_endpoint_descriptor *ep_desc;
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3600 struct gpio_desc *reset_gpio;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3601 struct btusb_data *data;
3602 struct hci_dev *hdev;
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3603 unsigned ifnum_base;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3604 int i, err;
3605
3606 BT_DBG("intf %p id %p", intf, id);
3607
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3608 /* interface numbers are hardcoded in the spec */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3609 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
3610 if (!(id->driver_info & BTUSB_IFNUM_2))
3611 return -ENODEV;
3612 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
3613 return -ENODEV;
3614 }
3615
3616 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3617
3618 if (!id->driver_info) {
3619 const struct usb_device_id *match;
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]3620
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3621 match = usb_match_id(intf, blacklist_table);
3622 if (match)
3623 id = match;
3624 }
3625
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3626 if (id->driver_info == BTUSB_IGNORE)
3627 return -ENODEV;
3628
Steven.Li2d25f8b2011-07-01 14:02:36 +0800[diff] [blame]3629 if (id->driver_info & BTUSB_ATH3012) {
3630 struct usb_device *udev = interface_to_usbdev(intf);
3631
3632 /* Old firmware would otherwise let ath3k driver load
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]3633 * patch and sysconfig files
3634 */
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3635 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
3636 !btusb_qca_need_patch(udev))
Steven.Li2d25f8b2011-07-01 14:02:36 +0800[diff] [blame]3637 return -ENODEV;
3638 }
3639
Sachin Kamat98921db2012-07-27 12:38:39 +0530[diff] [blame]3640 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3641 if (!data)
3642 return -ENOMEM;
3643
3644 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3645 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3646
3647 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
3648 data->intr_ep = ep_desc;
3649 continue;
3650 }
3651
3652 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
3653 data->bulk_tx_ep = ep_desc;
3654 continue;
3655 }
3656
3657 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
3658 data->bulk_rx_ep = ep_desc;
3659 continue;
3660 }
3661 }
3662
Sachin Kamat98921db2012-07-27 12:38:39 +0530[diff] [blame]3663 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3664 return -ENODEV;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3665
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3666 if (id->driver_info & BTUSB_AMP) {
3667 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
3668 data->cmdreq = 0x2b;
3669 } else {
3670 data->cmdreq_type = USB_TYPE_CLASS;
3671 data->cmdreq = 0x00;
3672 }
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3673
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3674 data->udev = interface_to_usbdev(intf);
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]3675 data->intf = intf;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3676
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3677 INIT_WORK(&data->work, btusb_work);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]3678 INIT_WORK(&data->waker, btusb_waker);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]3679 init_usb_anchor(&data->deferred);
3680 init_usb_anchor(&data->tx_anchor);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]3681 spin_lock_init(&data->txlock);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3682
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3683 init_usb_anchor(&data->intr_anchor);
3684 init_usb_anchor(&data->bulk_anchor);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3685 init_usb_anchor(&data->isoc_anchor);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3686 init_usb_anchor(&data->diag_anchor);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3687 init_usb_anchor(&data->ctrl_anchor);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]3688 spin_lock_init(&data->rxlock);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3689
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3690 if (id->driver_info & BTUSB_INTEL_NEW) {
3691 data->recv_event = btusb_recv_event_intel;
3692 data->recv_bulk = btusb_recv_bulk_intel;
3693 set_bit(BTUSB_BOOTLOADER, &data->flags);
3694 } else {
3695 data->recv_event = hci_recv_frame;
3696 data->recv_bulk = btusb_recv_bulk;
3697 }
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]3698
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3699 hdev = hci_alloc_dev();
Sachin Kamat98921db2012-07-27 12:38:39 +0530[diff] [blame]3700 if (!hdev)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3701 return -ENOMEM;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3702
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100[diff] [blame]3703 hdev->bus = HCI_USB;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]3704 hci_set_drvdata(hdev, data);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3705
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3706 if (id->driver_info & BTUSB_AMP)
3707 hdev->dev_type = HCI_AMP;
3708 else
Marcel Holtmannca8bee52016-07-05 14:30:14 +0200[diff] [blame]3709 hdev->dev_type = HCI_PRIMARY;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3710
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3711 data->hdev = hdev;
3712
3713 SET_HCIDEV_DEV(hdev, &intf->dev);
3714
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3715 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset",
3716 GPIOD_OUT_LOW);
3717 if (IS_ERR(reset_gpio)) {
3718 err = PTR_ERR(reset_gpio);
3719 goto out_free_dev;
3720 } else if (reset_gpio) {
3721 data->reset_gpio = reset_gpio;
3722 }
3723
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]3724 hdev->open = btusb_open;
3725 hdev->close = btusb_close;
3726 hdev->flush = btusb_flush;
3727 hdev->send = btusb_send_frame;
3728 hdev->notify = btusb_notify;
3729
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3730#ifdef CONFIG_PM
3731 err = btusb_config_oob_wake(hdev);
3732 if (err)
3733 goto out_free_dev;
Rajat Jaina4ccc9e2017-02-01 14:24:10 -0800[diff] [blame]3734
3735 /* Marvell devices may need a specific chip configuration */
3736 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
3737 err = marvell_config_oob_wake(hdev);
3738 if (err)
3739 goto out_free_dev;
3740 }
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3741#endif
Szymon Janc418678b2016-09-01 17:22:37 +0200[diff] [blame]3742 if (id->driver_info & BTUSB_CW6622)
3743 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3744
Marcel Holtmann6c9d4352015-10-17 14:39:27 +0200[diff] [blame]3745 if (id->driver_info & BTUSB_BCM2045)
3746 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3747
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]3748 if (id->driver_info & BTUSB_BCM92035)
3749 hdev->setup = btusb_setup_bcm92035;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3750
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]3751 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
3752 (id->driver_info & BTUSB_BCM_PATCHRAM)) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3753 hdev->manufacturer = 15;
Marcel Holtmannc2bfb102015-04-05 22:52:14 -0700[diff] [blame]3754 hdev->setup = btbcm_setup_patchram;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3755 hdev->set_diag = btusb_bcm_set_diag;
Marcel Holtmann1df1f592015-04-05 22:52:11 -0700[diff] [blame]3756 hdev->set_bdaddr = btbcm_set_bdaddr;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3757
3758 /* Broadcom LM_DIAG Interface numbers are hardcoded */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3759 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
Marcel Holtmannabbaf502014-07-02 00:53:48 +0200[diff] [blame]3760 }
Petri Gynther10d4c672014-05-08 15:50:01 -0700[diff] [blame]3761
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]3762 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
3763 (id->driver_info & BTUSB_BCM_APPLE)) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3764 hdev->manufacturer = 15;
Marcel Holtmannc2bfb102015-04-05 22:52:14 -0700[diff] [blame]3765 hdev->setup = btbcm_setup_apple;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3766 hdev->set_diag = btusb_bcm_set_diag;
3767
3768 /* Broadcom LM_DIAG Interface numbers are hardcoded */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3769 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3770 }
Marcel Holtmann17b27722015-03-22 15:52:38 +0100[diff] [blame]3771
Marcel Holtmanncb8d6592014-07-02 11:25:25 +0200[diff] [blame]3772 if (id->driver_info & BTUSB_INTEL) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3773 hdev->manufacturer = 2;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]3774 hdev->setup = btusb_setup_intel;
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]3775 hdev->shutdown = btusb_shutdown_intel;
Marcel Holtmann3e247672015-10-17 16:00:28 +0200[diff] [blame]3776 hdev->set_diag = btintel_set_diag_mfg;
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]3777 hdev->set_bdaddr = btintel_set_bdaddr;
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3778 hdev->cmd_timeout = btusb_intel_cmd_timeout;
Jakub Pawlowskic33fb9b2015-01-30 18:55:58 -0800[diff] [blame]3779 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
Jakub Pawlowskic1154842015-03-17 09:04:16 -0700[diff] [blame]3780 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Marcel Holtmann3e247672015-10-17 16:00:28 +0200[diff] [blame]3781 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
Marcel Holtmanncb8d6592014-07-02 11:25:25 +0200[diff] [blame]3782 }
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]3783
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3784 if (id->driver_info & BTUSB_INTEL_NEW) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3785 hdev->manufacturer = 2;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3786 hdev->send = btusb_send_frame_intel;
3787 hdev->setup = btusb_setup_intel_new;
Raghuram Hegde017a01c2019-01-29 17:54:48 +0530[diff] [blame]3788 hdev->shutdown = btusb_shutdown_intel_new;
Marcel Holtmanneeb6abe2015-07-05 14:37:39 +0200[diff] [blame]3789 hdev->hw_error = btintel_hw_error;
Marcel Holtmann6d2e50d2015-10-09 14:42:08 +0200[diff] [blame]3790 hdev->set_diag = btintel_set_diag;
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]3791 hdev->set_bdaddr = btintel_set_bdaddr;
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3792 hdev->cmd_timeout = btusb_intel_cmd_timeout;
Marcel Holtmannb970c5b2015-02-01 23:57:18 -0800[diff] [blame]3793 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
Justin TerAvestf7785022018-09-25 11:04:57 -0600[diff] [blame]3794 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Marcel Holtmannd8270fb2015-10-17 16:00:27 +0200[diff] [blame]3795 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3796 }
3797
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]3798 if (id->driver_info & BTUSB_MARVELL)
3799 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
3800
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]3801 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) &&
3802 (id->driver_info & BTUSB_MEDIATEK)) {
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3803 hdev->setup = btusb_mtk_setup;
3804 hdev->shutdown = btusb_mtk_shutdown;
3805 hdev->manufacturer = 70;
3806 set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
3807 }
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3808
Marcel Holtmann661cf882015-01-02 23:35:20 -0800[diff] [blame]3809 if (id->driver_info & BTUSB_SWAVE) {
3810 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
Marcel Holtmannd57dbe72014-12-26 04:42:33 +0100[diff] [blame]3811 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
Marcel Holtmann661cf882015-01-02 23:35:20 -0800[diff] [blame]3812 }
Marcel Holtmannd57dbe72014-12-26 04:42:33 +0100[diff] [blame]3813
Marcel Holtmanne4c534b2015-10-21 01:31:45 +0200[diff] [blame]3814 if (id->driver_info & BTUSB_INTEL_BOOT) {
3815 hdev->manufacturer = 2;
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]3816 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
Marcel Holtmanne4c534b2015-10-21 01:31:45 +0200[diff] [blame]3817 }
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]3818
Jakub Pawlowski79f0c872015-01-29 10:38:34 -0800[diff] [blame]3819 if (id->driver_info & BTUSB_ATH3012) {
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3820 data->setup_on_usb = btusb_setup_qca;
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3821 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
Jakub Pawlowski3d50d512015-03-17 09:04:15 -0700[diff] [blame]3822 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Jakub Pawlowski79f0c872015-01-29 10:38:34 -0800[diff] [blame]3823 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3824 }
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3825
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3826 if (id->driver_info & BTUSB_QCA_ROME) {
3827 data->setup_on_usb = btusb_setup_qca;
3828 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
Vic Wei96e58d32018-03-28 08:28:47 -0700[diff] [blame]3829 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Hans de Goedefc549102018-04-27 11:26:43 +0200[diff] [blame]3830 btusb_check_needs_reset_resume(intf);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3831 }
3832
Arnd Bergmann42d22092019-09-18 21:59:02 +0200[diff] [blame]3833 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) &&
3834 (id->driver_info & BTUSB_REALTEK)) {
Carlo Caionedb33c772015-05-14 10:49:09 +0200[diff] [blame]3835 hdev->setup = btrtl_setup_realtek;
Jian-Hong Pan7af3f5582019-06-25 16:30:51 +0800[diff] [blame]3836 hdev->shutdown = btrtl_shutdown_realtek;
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]3837 hdev->cmd_timeout = btusb_rtl_cmd_timeout;
Daniel Drake04b8c812015-05-21 08:23:50 -0600[diff] [blame]3838
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]3839 /* Realtek devices lose their updated firmware over global
3840 * suspend that means host doesn't send SET_FEATURE
3841 * (DEVICE_REMOTE_WAKEUP)
Daniel Drake04b8c812015-05-21 08:23:50 -0600[diff] [blame]3842 */
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]3843 set_bit(BTUSB_WAKEUP_DISABLE, &data->flags);
Kai-Heng Feng7ecacaf2019-12-05 17:07:01 +0800[diff] [blame]3844
3845 err = usb_autopm_get_interface(intf);
3846 if (err < 0)
3847 goto out_free_dev;
Daniel Drake04b8c812015-05-21 08:23:50 -0600[diff] [blame]3848 }
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]3849
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3850 if (id->driver_info & BTUSB_AMP) {
3851 /* AMP controllers do not support SCO packets */
3852 data->isoc = NULL;
3853 } else {
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3854 /* Interface orders are hardcoded in the specification */
3855 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
Marcel Holtmann459232f2017-10-24 19:42:45 +0200[diff] [blame]3856 data->isoc_ifnum = ifnum_base + 1;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3857 }
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3858
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3859 if (!reset)
Szymon Janca6c511c2012-05-23 12:35:46 +0200[diff] [blame]3860 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3861
3862 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
3863 if (!disable_scofix)
3864 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
3865 }
3866
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3867 if (id->driver_info & BTUSB_BROKEN_ISOC)
3868 data->isoc = NULL;
3869
Alain Michaud4b127bd2020-02-27 18:29:39 +0000[diff] [blame]3870 if (id->driver_info & BTUSB_WIDEBAND_SPEECH)
Alain Michaud00bce3f2020-03-05 16:14:59 +0000[diff] [blame]3871 set_bit(HCI_QUIRK_WIDEBAND_SPEECH_SUPPORTED, &hdev->quirks);
Alain Michaud4b127bd2020-02-27 18:29:39 +0000[diff] [blame]3872
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3873 if (id->driver_info & BTUSB_DIGIANSWER) {
3874 data->cmdreq_type = USB_TYPE_VENDOR;
Szymon Janca6c511c2012-05-23 12:35:46 +0200[diff] [blame]3875 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3876 }
3877
3878 if (id->driver_info & BTUSB_CSR) {
3879 struct usb_device *udev = data->udev;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3880 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3881
3882 /* Old firmware would otherwise execute USB reset */
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3883 if (bcdDevice < 0x117)
Szymon Janca6c511c2012-05-23 12:35:46 +0200[diff] [blame]3884 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3885
3886 /* Fake CSR devices with broken commands */
Johan Hedberg6cafcd92015-08-30 21:47:21 +0300[diff] [blame]3887 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3888 hdev->setup = btusb_setup_csr;
Jakub Pawlowski49c989a2015-03-17 09:04:17 -0700[diff] [blame]3889
3890 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3891 }
3892
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3893 if (id->driver_info & BTUSB_SNIFFER) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3894 struct usb_device *udev = data->udev;
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3895
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3896 /* New sniffer firmware has crippled HCI interface */
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3897 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
3898 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
3899 }
3900
Marcel Holtmann3a5ef202014-07-06 14:53:54 +0200[diff] [blame]3901 if (id->driver_info & BTUSB_INTEL_BOOT) {
3902 /* A bug in the bootloader causes that interrupt interface is
3903 * only enabled after receiving SetInterface(0, AltSetting=0).
3904 */
3905 err = usb_set_interface(data->udev, 0, 0);
3906 if (err < 0) {
3907 BT_ERR("failed to set interface 0, alt 0 %d", err);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]3908 goto out_free_dev;
Marcel Holtmann3a5ef202014-07-06 14:53:54 +0200[diff] [blame]3909 }
3910 }
3911
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3912 if (data->isoc) {
3913 err = usb_driver_claim_interface(&btusb_driver,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]3914 data->isoc, data);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]3915 if (err < 0)
3916 goto out_free_dev;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3917 }
3918
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]3919 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) {
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3920 if (!usb_driver_claim_interface(&btusb_driver,
3921 data->diag, data))
3922 __set_diag_interface(hdev);
3923 else
3924 data->diag = NULL;
3925 }
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3926
Hans de Goedeeff2d682017-11-13 14:44:16 +0100[diff] [blame]3927 if (enable_autosuspend)
3928 usb_enable_autosuspend(data->udev);
3929
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3930 err = hci_register_dev(hdev);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]3931 if (err < 0)
3932 goto out_free_dev;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3933
3934 usb_set_intfdata(intf, data);
3935
3936 return 0;
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]3937
3938out_free_dev:
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3939 if (data->reset_gpio)
3940 gpiod_put(data->reset_gpio);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]3941 hci_free_dev(hdev);
3942 return err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3943}
3944
3945static void btusb_disconnect(struct usb_interface *intf)
3946{
3947 struct btusb_data *data = usb_get_intfdata(intf);
3948 struct hci_dev *hdev;
3949
3950 BT_DBG("intf %p", intf);
3951
3952 if (!data)
3953 return;
3954
3955 hdev = data->hdev;
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]3956 usb_set_intfdata(data->intf, NULL);
3957
3958 if (data->isoc)
3959 usb_set_intfdata(data->isoc, NULL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3960
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3961 if (data->diag)
3962 usb_set_intfdata(data->diag, NULL);
3963
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3964 hci_unregister_dev(hdev);
3965
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3966 if (intf == data->intf) {
3967 if (data->isoc)
3968 usb_driver_release_interface(&btusb_driver, data->isoc);
3969 if (data->diag)
3970 usb_driver_release_interface(&btusb_driver, data->diag);
3971 } else if (intf == data->isoc) {
3972 if (data->diag)
3973 usb_driver_release_interface(&btusb_driver, data->diag);
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]3974 usb_driver_release_interface(&btusb_driver, data->intf);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3975 } else if (intf == data->diag) {
3976 usb_driver_release_interface(&btusb_driver, data->intf);
3977 if (data->isoc)
3978 usb_driver_release_interface(&btusb_driver, data->isoc);
3979 }
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]3980
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3981 if (data->oob_wake_irq)
3982 device_init_wakeup(&data->udev->dev, false);
3983
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3984 if (data->reset_gpio)
3985 gpiod_put(data->reset_gpio);
3986
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3987 hci_free_dev(hdev);
3988}
3989
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]3990#ifdef CONFIG_PM
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]3991static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
3992{
3993 struct btusb_data *data = usb_get_intfdata(intf);
3994
3995 BT_DBG("intf %p", intf);
3996
3997 if (data->suspend_count++)
3998 return 0;
3999
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4000 spin_lock_irq(&data->txlock);
Alan Stern5b1b0b82011-08-19 23:49:48 +0200[diff] [blame]4001 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4002 set_bit(BTUSB_SUSPENDING, &data->flags);
4003 spin_unlock_irq(&data->txlock);
4004 } else {
4005 spin_unlock_irq(&data->txlock);
4006 data->suspend_count--;
4007 return -EBUSY;
4008 }
4009
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4010 cancel_work_sync(&data->work);
4011
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4012 btusb_stop_traffic(data);
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4013 usb_kill_anchored_urbs(&data->tx_anchor);
4014
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]4015 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
4016 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
4017 enable_irq_wake(data->oob_wake_irq);
4018 enable_irq(data->oob_wake_irq);
4019 }
4020
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]4021 /* For global suspend, Realtek devices lose the loaded fw
4022 * in them. But for autosuspend, firmware should remain.
4023 * Actually, it depends on whether the usb host sends
4024 * set feature (enable wakeup) or not.
4025 */
4026 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) {
4027 if (PMSG_IS_AUTO(message) &&
4028 device_can_wakeup(&data->udev->dev))
4029 data->udev->do_remote_wakeup = 1;
4030 else if (!PMSG_IS_AUTO(message))
4031 data->udev->reset_resume = 1;
4032 }
4033
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4034 return 0;
4035}
4036
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4037static void play_deferred(struct btusb_data *data)
4038{
4039 struct urb *urb;
4040 int err;
4041
4042 while ((urb = usb_get_from_anchor(&data->deferred))) {
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4043 usb_anchor_urb(urb, &data->tx_anchor);
4044
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4045 err = usb_submit_urb(urb, GFP_ATOMIC);
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4046 if (err < 0) {
4047 if (err != -EPERM && err != -ENODEV)
4048 BT_ERR("%s urb %p submission failed (%d)",
4049 data->hdev->name, urb, -err);
4050 kfree(urb->setup_packet);
4051 usb_unanchor_urb(urb);
4052 usb_free_urb(urb);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4053 break;
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4054 }
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4055
4056 data->tx_in_flight++;
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4057 usb_free_urb(urb);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4058 }
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4059
4060 /* Cleanup the rest deferred urbs. */
4061 while ((urb = usb_get_from_anchor(&data->deferred))) {
4062 kfree(urb->setup_packet);
4063 usb_free_urb(urb);
4064 }
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4065}
4066
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4067static int btusb_resume(struct usb_interface *intf)
4068{
4069 struct btusb_data *data = usb_get_intfdata(intf);
4070 struct hci_dev *hdev = data->hdev;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4071 int err = 0;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4072
4073 BT_DBG("intf %p", intf);
4074
4075 if (--data->suspend_count)
4076 return 0;
4077
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]4078 /* Disable only if not already disabled (keep it balanced) */
4079 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
4080 disable_irq(data->oob_wake_irq);
4081 disable_irq_wake(data->oob_wake_irq);
4082 }
4083
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4084 if (!test_bit(HCI_RUNNING, &hdev->flags))
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4085 goto done;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4086
4087 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
4088 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
4089 if (err < 0) {
4090 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4091 goto failed;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4092 }
4093 }
4094
4095 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]4096 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
4097 if (err < 0) {
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4098 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4099 goto failed;
4100 }
4101
4102 btusb_submit_bulk_urb(hdev, GFP_NOIO);
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4103 }
4104
4105 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
4106 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
4107 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
4108 else
4109 btusb_submit_isoc_urb(hdev, GFP_NOIO);
4110 }
4111
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4112 spin_lock_irq(&data->txlock);
4113 play_deferred(data);
4114 clear_bit(BTUSB_SUSPENDING, &data->flags);
4115 spin_unlock_irq(&data->txlock);
4116 schedule_work(&data->work);
4117
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4118 return 0;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4119
4120failed:
4121 usb_scuttle_anchored_urbs(&data->deferred);
4122done:
4123 spin_lock_irq(&data->txlock);
4124 clear_bit(BTUSB_SUSPENDING, &data->flags);
4125 spin_unlock_irq(&data->txlock);
4126
4127 return err;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4128}
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4129#endif
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4130
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4131static struct usb_driver btusb_driver = {
4132 .name = "btusb",
4133 .probe = btusb_probe,
4134 .disconnect = btusb_disconnect,
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4135#ifdef CONFIG_PM
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4136 .suspend = btusb_suspend,
4137 .resume = btusb_resume,
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4138#endif
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4139 .id_table = btusb_table,
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4140 .supports_autosuspend = 1,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -0700[diff] [blame]4141 .disable_hub_initiated_lpm = 1,
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4142};
4143
Greg Kroah-Hartman93f15082011-11-18 09:47:34 -0800[diff] [blame]4144module_usb_driver(btusb_driver);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4145
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]4146module_param(disable_scofix, bool, 0644);
4147MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
4148
4149module_param(force_scofix, bool, 0644);
4150MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
4151
Hans de Goedeeff2d682017-11-13 14:44:16 +0100[diff] [blame]4152module_param(enable_autosuspend, bool, 0644);
4153MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
4154
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]4155module_param(reset, bool, 0644);
4156MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
4157
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4158MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
4159MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
4160MODULE_VERSION(VERSION);
4161MODULE_LICENSE("GPL");