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review.shift-gmbh.com / SHIFTPHONES / mainline / linux / eb3939e386ec8df6049697d388298590231ac79c / . / drivers / bluetooth / btusb.c
blob: fa207b7150128ae32fd646092ac3085b25e1d133 [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
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]60
Marcel Holtmann54265202013-10-11 07:46:18 -0700[diff] [blame]61static const struct usb_device_id btusb_table[] = {
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]62 /* Generic Bluetooth USB device */
63 { USB_DEVICE_INFO(0xe0, 0x01, 0x01) },
64
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]65 /* Generic Bluetooth AMP device */
66 { USB_DEVICE_INFO(0xe0, 0x01, 0x04), .driver_info = BTUSB_AMP },
67
Daniel Draked63b2822015-07-17 11:12:25 -0600[diff] [blame]68 /* Generic Bluetooth USB interface */
69 { USB_INTERFACE_INFO(0xe0, 0x01, 0x01) },
70
Henrik Rydberg1fa65352012-08-25 19:28:06 +0200[diff] [blame]71 /* Apple-specific (Broadcom) devices */
Marcel Holtmann17b27722015-03-22 15:52:38 +0100[diff] [blame]72 { USB_VENDOR_AND_INTERFACE_INFO(0x05ac, 0xff, 0x01, 0x01),
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]73 .driver_info = BTUSB_BCM_APPLE | BTUSB_IFNUM_2 },
Henrik Rydberg1fa65352012-08-25 19:28:06 +0200[diff] [blame]74
Cho, Yu-Chen178c0592013-06-04 21:40:26 +0800[diff] [blame]75 /* MediaTek MT76x0E */
76 { USB_DEVICE(0x0e8d, 0x763f) },
77
Oliver Neukumc510eae2011-09-21 11:41:45 +0200[diff] [blame]78 /* Broadcom SoftSailing reporting vendor specific */
Don Zickus2e8b50632012-03-28 16:41:11 -0400[diff] [blame]79 { USB_DEVICE(0x0a5c, 0x21e1) },
Oliver Neukumc510eae2011-09-21 11:41:45 +0200[diff] [blame]80
Nobuhiro Iwamatsu3cd01972010-08-20 16:24:07 +0900[diff] [blame]81 /* Apple MacBookPro 7,1 */
82 { USB_DEVICE(0x05ac, 0x8213) },
83
Cyril Lacoux0a79f672010-07-14 10:29:27 +0400[diff] [blame]84 /* Apple iMac11,1 */
85 { USB_DEVICE(0x05ac, 0x8215) },
86
Nobuhiro Iwamatsu9c047152010-08-20 16:24:06 +0900[diff] [blame]87 /* Apple MacBookPro6,2 */
88 { USB_DEVICE(0x05ac, 0x8218) },
89
Edgar (gimli) Hucek3e3ede72010-11-04 08:04:33 +0100[diff] [blame]90 /* Apple MacBookAir3,1, MacBookAir3,2 */
91 { USB_DEVICE(0x05ac, 0x821b) },
92
Pieter-Augustijn Van Malleghema63b7232011-09-07 02:28:10 -0400[diff] [blame]93 /* Apple MacBookAir4,1 */
94 { USB_DEVICE(0x05ac, 0x821f) },
95
Marc-Antoine Perennou88d377b2011-03-24 14:51:21 -0300[diff] [blame]96 /* Apple MacBookPro8,2 */
97 { USB_DEVICE(0x05ac, 0x821a) },
98
Jurgen Kramerf78b68262011-09-04 18:01:42 +0200[diff] [blame]99 /* Apple MacMini5,1 */
100 { USB_DEVICE(0x05ac, 0x8281) },
101
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]102 /* AVM BlueFRITZ! USB v2.0 */
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800[diff] [blame]103 { USB_DEVICE(0x057c, 0x3800), .driver_info = BTUSB_SWAVE },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]104
105 /* Bluetooth Ultraport Module from IBM */
106 { USB_DEVICE(0x04bf, 0x030a) },
107
108 /* ALPS Modules with non-standard id */
109 { USB_DEVICE(0x044e, 0x3001) },
110 { USB_DEVICE(0x044e, 0x3002) },
111
112 /* Ericsson with non-standard id */
113 { USB_DEVICE(0x0bdb, 0x1002) },
114
115 /* Canyon CN-BTU1 with HID interfaces */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]116 { USB_DEVICE(0x0c10, 0x0000) },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]117
Wen-chien Jesse Sungd13431c2011-11-08 14:30:22 +0800[diff] [blame]118 /* Broadcom BCM20702A0 */
119 { USB_DEVICE(0x413c, 0x8197) },
120
Marcel Holtmannd049f4e2015-01-26 20:35:32 -0800[diff] [blame]121 /* Broadcom BCM20702B0 (Dynex/Insignia) */
122 { USB_DEVICE(0x19ff, 0x0239), .driver_info = BTUSB_BCM_PATCHRAM },
123
Santtu Rekilä2faf71c2015-10-05 15:45:27 +0300[diff] [blame]124 /* Broadcom BCM43142A0 (Foxconn/Lenovo) */
Dmitry Tunin628c26b2017-07-06 14:41:13 +0300[diff] [blame]125 { USB_VENDOR_AND_INTERFACE_INFO(0x105b, 0xff, 0x01, 0x01),
126 .driver_info = BTUSB_BCM_PATCHRAM },
Santtu Rekilä2faf71c2015-10-05 15:45:27 +0300[diff] [blame]127
Christoph Haaga57bac42017-02-10 14:02:45 +0100[diff] [blame]128 /* Broadcom BCM920703 (HTC Vive) */
129 { USB_VENDOR_AND_INTERFACE_INFO(0x0bb4, 0xff, 0x01, 0x01),
130 .driver_info = BTUSB_BCM_PATCHRAM },
131
Steven Harms98514032012-04-13 14:45:55 -0400[diff] [blame]132 /* Foxconn - Hon Hai */
Heinrich Siebmanns6029ddc2014-12-03 19:32:22 +0100[diff] [blame]133 { USB_VENDOR_AND_INTERFACE_INFO(0x0489, 0xff, 0x01, 0x01),
134 .driver_info = BTUSB_BCM_PATCHRAM },
Steven Harms98514032012-04-13 14:45:55 -0400[diff] [blame]135
Matej Dubovy8f0c3042015-02-02 18:50:14 +0100[diff] [blame]136 /* Lite-On Technology - Broadcom based */
137 { USB_VENDOR_AND_INTERFACE_INFO(0x04ca, 0xff, 0x01, 0x01),
138 .driver_info = BTUSB_BCM_PATCHRAM },
139
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]140 /* Broadcom devices with vendor specific id */
Petri Gynther10d4c672014-05-08 15:50:01 -0700[diff] [blame]141 { USB_VENDOR_AND_INTERFACE_INFO(0x0a5c, 0xff, 0x01, 0x01),
142 .driver_info = BTUSB_BCM_PATCHRAM },
Gustavo Padovan92c385f2012-08-06 15:36:49 -0300[diff] [blame]143
Marcel Holtmannc2aef6e2014-07-21 14:02:33 +0200[diff] [blame]144 /* ASUSTek Computer - Broadcom based */
Rick Dunn9a5abdaa2015-01-17 05:29:12 +0100[diff] [blame]145 { USB_VENDOR_AND_INTERFACE_INFO(0x0b05, 0xff, 0x01, 0x01),
146 .driver_info = BTUSB_BCM_PATCHRAM },
Marcel Holtmannc2aef6e2014-07-21 14:02:33 +0200[diff] [blame]147
Ken O'Brien5bcecf32013-09-21 19:14:43 +0100[diff] [blame]148 /* Belkin F8065bf - Broadcom based */
Marcel Holtmann6331c682015-03-27 15:11:41 -0700[diff] [blame]149 { USB_VENDOR_AND_INTERFACE_INFO(0x050d, 0xff, 0x01, 0x01),
150 .driver_info = BTUSB_BCM_PATCHRAM },
Ken O'Brien5bcecf32013-09-21 19:14:43 +0100[diff] [blame]151
Jurgen Kramer9113bfd2014-02-15 12:01:09 +0100[diff] [blame]152 /* IMC Networks - Broadcom based */
Marcel Holtmann6331c682015-03-27 15:11:41 -0700[diff] [blame]153 { USB_VENDOR_AND_INTERFACE_INFO(0x13d3, 0xff, 0x01, 0x01),
154 .driver_info = BTUSB_BCM_PATCHRAM },
Jurgen Kramer9113bfd2014-02-15 12:01:09 +0100[diff] [blame]155
Wen-chien Jesse Sungfdfddc62017-01-10 15:41:13 +0800[diff] [blame]156 /* Dell Computer - Broadcom based */
157 { USB_VENDOR_AND_INTERFACE_INFO(0x413c, 0xff, 0x01, 0x01),
158 .driver_info = BTUSB_BCM_PATCHRAM },
159
Dmitry Tunin1623d0b2015-12-05 14:09:36 +0300[diff] [blame]160 /* Toshiba Corp - Broadcom based */
161 { USB_VENDOR_AND_INTERFACE_INFO(0x0930, 0xff, 0x01, 0x01),
162 .driver_info = BTUSB_BCM_PATCHRAM },
163
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]164 /* Intel Bluetooth USB Bootloader (RAM module) */
Marcel Holtmannd92f2df2014-07-06 14:53:55 +0200[diff] [blame]165 { USB_DEVICE(0x8087, 0x0a5a),
166 .driver_info = BTUSB_INTEL_BOOT | BTUSB_BROKEN_ISOC },
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]167
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]168 { } /* Terminating entry */
169};
170
171MODULE_DEVICE_TABLE(usb, btusb_table);
172
Marcel Holtmann54265202013-10-11 07:46:18 -0700[diff] [blame]173static const struct usb_device_id blacklist_table[] = {
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]174 /* CSR BlueCore devices */
175 { USB_DEVICE(0x0a12, 0x0001), .driver_info = BTUSB_CSR },
176
177 /* Broadcom BCM2033 without firmware */
178 { USB_DEVICE(0x0a5c, 0x2033), .driver_info = BTUSB_IGNORE },
179
Marcel Holtmann6c9d4352015-10-17 14:39:27 +0200[diff] [blame]180 /* Broadcom BCM2045 devices */
181 { USB_DEVICE(0x0a5c, 0x2045), .driver_info = BTUSB_BCM2045 },
182
Bala Shanmugambe931122010-11-26 17:35:46 +0530[diff] [blame]183 /* Atheros 3011 with sflash firmware */
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]184 { USB_DEVICE(0x0489, 0xe027), .driver_info = BTUSB_IGNORE },
185 { USB_DEVICE(0x0489, 0xe03d), .driver_info = BTUSB_IGNORE },
Alexander Ploumistos2eeff0b2015-02-13 21:05:11 +0200[diff] [blame]186 { USB_DEVICE(0x04f2, 0xaff1), .driver_info = BTUSB_IGNORE },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]187 { USB_DEVICE(0x0930, 0x0215), .driver_info = BTUSB_IGNORE },
Bala Shanmugambe931122010-11-26 17:35:46 +0530[diff] [blame]188 { USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
Marek Vasut6eda5412012-06-08 14:32:50 +0200[diff] [blame]189 { USB_DEVICE(0x0cf3, 0xe019), .driver_info = BTUSB_IGNORE },
Andy Ross2a7bccc2011-05-09 16:11:16 -0700[diff] [blame]190 { USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
Bala Shanmugambe931122010-11-26 17:35:46 +0530[diff] [blame]191
Cho, Yu-Chen509e7862011-01-26 17:10:59 +0800[diff] [blame]192 /* Atheros AR9285 Malbec with sflash firmware */
193 { USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
194
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530[diff] [blame]195 /* Atheros 3012 with sflash firmware */
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]196 { USB_DEVICE(0x0489, 0xe04d), .driver_info = BTUSB_ATH3012 },
197 { USB_DEVICE(0x0489, 0xe04e), .driver_info = BTUSB_ATH3012 },
198 { USB_DEVICE(0x0489, 0xe056), .driver_info = BTUSB_ATH3012 },
199 { USB_DEVICE(0x0489, 0xe057), .driver_info = BTUSB_ATH3012 },
200 { USB_DEVICE(0x0489, 0xe05f), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin692c0622015-06-06 20:25:40 +0300[diff] [blame]201 { USB_DEVICE(0x0489, 0xe076), .driver_info = BTUSB_ATH3012 },
Anantha Krishnan4b552bc2014-10-06 16:31:49 +0530[diff] [blame]202 { USB_DEVICE(0x0489, 0xe078), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin28c971d2016-02-10 00:49:11 +0300[diff] [blame]203 { USB_DEVICE(0x0489, 0xe095), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]204 { USB_DEVICE(0x04c5, 0x1330), .driver_info = BTUSB_ATH3012 },
205 { USB_DEVICE(0x04ca, 0x3004), .driver_info = BTUSB_ATH3012 },
206 { USB_DEVICE(0x04ca, 0x3005), .driver_info = BTUSB_ATH3012 },
207 { USB_DEVICE(0x04ca, 0x3006), .driver_info = BTUSB_ATH3012 },
Mohammed Habibulla1fb4e092014-04-17 11:37:13 -0700[diff] [blame]208 { USB_DEVICE(0x04ca, 0x3007), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]209 { USB_DEVICE(0x04ca, 0x3008), .driver_info = BTUSB_ATH3012 },
210 { USB_DEVICE(0x04ca, 0x300b), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin7e730c7f2015-06-18 20:41:51 +0300[diff] [blame]211 { USB_DEVICE(0x04ca, 0x300d), .driver_info = BTUSB_ATH3012 },
Dmitry Tuninec0810d2015-05-02 13:36:58 +0300[diff] [blame]212 { USB_DEVICE(0x04ca, 0x300f), .driver_info = BTUSB_ATH3012 },
Janne Heikkinen134d3b32014-12-09 07:44:51 +0200[diff] [blame]213 { USB_DEVICE(0x04ca, 0x3010), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin81d90442016-02-28 11:04:06 +0300[diff] [blame]214 { USB_DEVICE(0x04ca, 0x3014), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin441ad622017-01-05 13:19:53 +0300[diff] [blame]215 { USB_DEVICE(0x04ca, 0x3018), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]216 { USB_DEVICE(0x0930, 0x0219), .driver_info = BTUSB_ATH3012 },
Dmitry Tunincd355ff2015-10-05 19:29:33 +0300[diff] [blame]217 { USB_DEVICE(0x0930, 0x021c), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]218 { USB_DEVICE(0x0930, 0x0220), .driver_info = BTUSB_ATH3012 },
Vincent Zwanenburg89d29752014-08-08 12:33:56 +0100[diff] [blame]219 { USB_DEVICE(0x0930, 0x0227), .driver_info = BTUSB_ATH3012 },
Andy Shevchenkoa735f9e2014-02-18 18:26:20 +0200[diff] [blame]220 { USB_DEVICE(0x0b05, 0x17d0), .driver_info = BTUSB_ATH3012 },
Ming Leid66629c2013-03-15 11:00:39 +0800[diff] [blame]221 { USB_DEVICE(0x0cf3, 0x0036), .driver_info = BTUSB_ATH3012 },
Hans de Goede544a5912018-04-26 14:18:19 +0200[diff] [blame]222 { USB_DEVICE(0x0cf3, 0x3004), .driver_info = BTUSB_ATH3012 },
Sunguk Lee94a32d102013-03-12 04:41:58 +0900[diff] [blame]223 { USB_DEVICE(0x0cf3, 0x3008), .driver_info = BTUSB_ATH3012 },
Cho, Yu-Chen07c0ea82012-03-14 22:01:21 +0200[diff] [blame]224 { USB_DEVICE(0x0cf3, 0x311d), .driver_info = BTUSB_ATH3012 },
Oliver Neukumb1312372014-01-16 15:37:11 +0100[diff] [blame]225 { USB_DEVICE(0x0cf3, 0x311e), .driver_info = BTUSB_ATH3012 },
Oliver Neukum1e56f1e2014-01-16 16:02:58 +0100[diff] [blame]226 { USB_DEVICE(0x0cf3, 0x311f), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]227 { USB_DEVICE(0x0cf3, 0x3121), .driver_info = BTUSB_ATH3012 },
Ming Leiebaf5792013-03-18 23:45:11 +0800[diff] [blame]228 { USB_DEVICE(0x0cf3, 0x817a), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin18e0afa2015-10-16 11:45:26 +0300[diff] [blame]229 { USB_DEVICE(0x0cf3, 0x817b), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]230 { USB_DEVICE(0x0cf3, 0xe003), .driver_info = BTUSB_ATH3012 },
AceLan Kaoac713112012-04-19 14:53:45 +0800[diff] [blame]231 { USB_DEVICE(0x0cf3, 0xe004), .driver_info = BTUSB_ATH3012 },
Peng Chen0a3658c2013-08-30 17:41:40 +0800[diff] [blame]232 { USB_DEVICE(0x0cf3, 0xe005), .driver_info = BTUSB_ATH3012 },
Wen-chien Jesse Sungca79f232015-05-13 11:39:24 +0800[diff] [blame]233 { USB_DEVICE(0x0cf3, 0xe006), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]234 { USB_DEVICE(0x13d3, 0x3362), .driver_info = BTUSB_ATH3012 },
235 { USB_DEVICE(0x13d3, 0x3375), .driver_info = BTUSB_ATH3012 },
AceLan Kaoeed307e2012-12-11 11:41:20 +0800[diff] [blame]236 { USB_DEVICE(0x13d3, 0x3393), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin609574e2016-02-10 15:33:17 +0300[diff] [blame]237 { USB_DEVICE(0x13d3, 0x3395), .driver_info = BTUSB_ATH3012 },
Sujith Manoharan5b77a1f2013-07-15 09:29:03 +0530[diff] [blame]238 { USB_DEVICE(0x13d3, 0x3402), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin3bb30a7c2014-11-25 20:19:52 +0300[diff] [blame]239 { USB_DEVICE(0x13d3, 0x3408), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin033efa92015-01-18 00:16:51 +0300[diff] [blame]240 { USB_DEVICE(0x13d3, 0x3423), .driver_info = BTUSB_ATH3012 },
Anantha Krishnanfa2f1392014-07-08 19:25:08 +0530[diff] [blame]241 { USB_DEVICE(0x13d3, 0x3432), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin75c6aca2016-03-04 01:32:19 +0300[diff] [blame]242 { USB_DEVICE(0x13d3, 0x3472), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin0d0cef62015-06-06 20:29:25 +0300[diff] [blame]243 { USB_DEVICE(0x13d3, 0x3474), .driver_info = BTUSB_ATH3012 },
Lauro Costa72f9f8b2016-05-09 17:36:11 -0300[diff] [blame]244 { USB_DEVICE(0x13d3, 0x3487), .driver_info = BTUSB_ATH3012 },
Dmitry Tunin12d86892016-07-12 01:35:18 +0300[diff] [blame]245 { USB_DEVICE(0x13d3, 0x3490), .driver_info = BTUSB_ATH3012 },
Bala Shanmugamd9f51b52011-02-11 15:38:53 +0530[diff] [blame]246
Cho, Yu-Chene9036e32011-02-15 10:20:07 +0800[diff] [blame]247 /* Atheros AR5BBU12 with sflash firmware */
248 { USB_DEVICE(0x0489, 0xe02c), .driver_info = BTUSB_IGNORE },
249
Michael Gruetzner85d59722012-05-02 22:33:40 +0200[diff] [blame]250 /* Atheros AR5BBU12 with sflash firmware */
Yevgeniy Melnichukbc21fde2012-08-07 19:48:10 +0530[diff] [blame]251 { USB_DEVICE(0x0489, 0xe036), .driver_info = BTUSB_ATH3012 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]252 { USB_DEVICE(0x0489, 0xe03c), .driver_info = BTUSB_ATH3012 },
Michael Gruetzner85d59722012-05-02 22:33:40 +0200[diff] [blame]253
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]254 /* QCA ROME chipset */
Owen Lin1411a262018-10-18 04:37:57 +0000[diff] [blame]255 { USB_DEVICE(0x0cf3, 0x535b), .driver_info = BTUSB_QCA_ROME },
Wen-chien Jesse Sung20541112015-05-13 11:39:25 +0800[diff] [blame]256 { USB_DEVICE(0x0cf3, 0xe007), .driver_info = BTUSB_QCA_ROME },
Kai-Heng Feng93519932016-08-16 12:50:06 +0800[diff] [blame]257 { USB_DEVICE(0x0cf3, 0xe009), .driver_info = BTUSB_QCA_ROME },
AceLan Kaoe5a49ee2018-01-02 10:41:11 +0800[diff] [blame]258 { USB_DEVICE(0x0cf3, 0xe010), .driver_info = BTUSB_QCA_ROME },
Marcel Holtmannc9e44472015-03-16 23:56:04 -0700[diff] [blame]259 { USB_DEVICE(0x0cf3, 0xe300), .driver_info = BTUSB_QCA_ROME },
Gabriel1eef1c32017-02-20 12:32:22 -0500[diff] [blame]260 { USB_DEVICE(0x0cf3, 0xe301), .driver_info = BTUSB_QCA_ROME },
Marcel Holtmannc9e44472015-03-16 23:56:04 -0700[diff] [blame]261 { USB_DEVICE(0x0cf3, 0xe360), .driver_info = BTUSB_QCA_ROME },
Yvain THONNART47ca5892016-06-11 15:43:30 +0200[diff] [blame]262 { USB_DEVICE(0x0489, 0xe092), .driver_info = BTUSB_QCA_ROME },
Bartosz Chronowski858ff382017-10-26 10:22:43 +0200[diff] [blame]263 { USB_DEVICE(0x0489, 0xe09f), .driver_info = BTUSB_QCA_ROME },
Shih-Yuan Lee (FourDollars)06e41d82017-06-14 14:42:00 +0800[diff] [blame]264 { USB_DEVICE(0x0489, 0xe0a2), .driver_info = BTUSB_QCA_ROME },
Dmitry Tunin1144a4e2016-09-21 19:13:08 +0300[diff] [blame]265 { USB_DEVICE(0x04ca, 0x3011), .driver_info = BTUSB_QCA_ROME },
Ioan Moldovan0a03f982017-08-28 18:09:39 +0300[diff] [blame]266 { USB_DEVICE(0x04ca, 0x3015), .driver_info = BTUSB_QCA_ROME },
Brian Norrisd829b9e2017-07-31 17:59:39 -0700[diff] [blame]267 { USB_DEVICE(0x04ca, 0x3016), .driver_info = BTUSB_QCA_ROME },
Vic Weid666fc52018-04-23 15:17:07 -0700[diff] [blame]268 { USB_DEVICE(0x04ca, 0x301a), .driver_info = BTUSB_QCA_ROME },
Rocky Liao19220f32020-01-06 14:07:44 +0800[diff] [blame]269 { USB_DEVICE(0x04ca, 0x3021), .driver_info = BTUSB_QCA_ROME },
João Paulo Rechi Vita44d34af2019-05-23 13:32:01 -0700[diff] [blame]270 { USB_DEVICE(0x13d3, 0x3491), .driver_info = BTUSB_QCA_ROME },
João Paulo Rechi Vitadf2445b2018-04-27 10:09:58 -0700[diff] [blame]271 { USB_DEVICE(0x13d3, 0x3496), .driver_info = BTUSB_QCA_ROME },
João Paulo Rechi Vita881cec42019-05-23 13:32:02 -0700[diff] [blame]272 { USB_DEVICE(0x13d3, 0x3501), .driver_info = BTUSB_QCA_ROME },
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]273
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]274 /* Broadcom BCM2035 */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]275 { USB_DEVICE(0x0a5c, 0x2009), .driver_info = BTUSB_BCM92035 },
Andy Shevchenko0b880062014-02-18 18:26:19 +0200[diff] [blame]276 { USB_DEVICE(0x0a5c, 0x200a), .driver_info = BTUSB_WRONG_SCO_MTU },
277 { USB_DEVICE(0x0a5c, 0x2035), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]278
279 /* Broadcom BCM2045 */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]280 { USB_DEVICE(0x0a5c, 0x2039), .driver_info = BTUSB_WRONG_SCO_MTU },
281 { USB_DEVICE(0x0a5c, 0x2101), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmannbdbef3d2008-09-23 00:16:35 +0200[diff] [blame]282
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]283 /* IBM/Lenovo ThinkPad with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]284 { USB_DEVICE(0x0a5c, 0x201e), .driver_info = BTUSB_WRONG_SCO_MTU },
285 { USB_DEVICE(0x0a5c, 0x2110), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]286
287 /* HP laptop with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]288 { USB_DEVICE(0x03f0, 0x171d), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]289
290 /* Dell laptop with Broadcom chip */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]291 { USB_DEVICE(0x413c, 0x8126), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]292
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100[diff] [blame]293 /* Dell Wireless 370 and 410 devices */
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]294 { USB_DEVICE(0x413c, 0x8152), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100[diff] [blame]295 { USB_DEVICE(0x413c, 0x8156), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]296
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]297 /* Belkin F8T012 and F8T013 devices */
298 { USB_DEVICE(0x050d, 0x0012), .driver_info = BTUSB_WRONG_SCO_MTU },
299 { USB_DEVICE(0x050d, 0x0013), .driver_info = BTUSB_WRONG_SCO_MTU },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]300
Marcel Holtmann5ddd4a62008-11-30 12:17:27 +0100[diff] [blame]301 /* Asus WL-BTD202 device */
302 { USB_DEVICE(0x0b05, 0x1715), .driver_info = BTUSB_WRONG_SCO_MTU },
303
304 /* Kensington Bluetooth USB adapter */
305 { USB_DEVICE(0x047d, 0x105e), .driver_info = BTUSB_WRONG_SCO_MTU },
306
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]307 /* RTX Telecom based adapters with buggy SCO support */
308 { USB_DEVICE(0x0400, 0x0807), .driver_info = BTUSB_BROKEN_ISOC },
309 { USB_DEVICE(0x0400, 0x080a), .driver_info = BTUSB_BROKEN_ISOC },
310
311 /* CONWISE Technology based adapters with buggy SCO support */
Szymon Janc418678b2016-09-01 17:22:37 +0200[diff] [blame]312 { USB_DEVICE(0x0e5e, 0x6622),
313 .driver_info = BTUSB_BROKEN_ISOC | BTUSB_CW6622},
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]314
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800[diff] [blame]315 /* Roper Class 1 Bluetooth Dongle (Silicon Wave based) */
Aleksei Volkov2eeac872015-06-08 12:02:10 +0300[diff] [blame]316 { USB_DEVICE(0x1310, 0x0001), .driver_info = BTUSB_SWAVE },
Marcel Holtmann4fcef8e2015-01-01 17:34:37 -0800[diff] [blame]317
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]318 /* Digianswer devices */
319 { USB_DEVICE(0x08fd, 0x0001), .driver_info = BTUSB_DIGIANSWER },
320 { USB_DEVICE(0x08fd, 0x0002), .driver_info = BTUSB_IGNORE },
321
322 /* CSR BlueCore Bluetooth Sniffer */
Marcel Holtmann4f64fa82014-07-07 00:12:04 +0200[diff] [blame]323 { USB_DEVICE(0x0a12, 0x0002),
324 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]325
326 /* Frontline ComProbe Bluetooth Sniffer */
Marcel Holtmann4f64fa82014-07-07 00:12:04 +0200[diff] [blame]327 { USB_DEVICE(0x16d3, 0x0002),
328 .driver_info = BTUSB_SNIFFER | BTUSB_BROKEN_ISOC },
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]329
Marcel Holtmanncb1ee892015-01-28 19:41:42 -0800[diff] [blame]330 /* Marvell Bluetooth devices */
331 { USB_DEVICE(0x1286, 0x2044), .driver_info = BTUSB_MARVELL },
332 { USB_DEVICE(0x1286, 0x2046), .driver_info = BTUSB_MARVELL },
Amitkumar Karwar1165df02016-09-28 16:18:35 +0530[diff] [blame]333 { USB_DEVICE(0x1286, 0x204e), .driver_info = BTUSB_MARVELL },
Marcel Holtmanncb1ee892015-01-28 19:41:42 -0800[diff] [blame]334
Marcel Holtmannd0ac9eb2015-01-28 19:41:43 -0800[diff] [blame]335 /* Intel Bluetooth devices */
Marcel Holtmannde766142017-03-06 15:38:28 -0800[diff] [blame]336 { USB_DEVICE(0x8087, 0x0025), .driver_info = BTUSB_INTEL_NEW },
Tedd Ho-Jeong An1ce0cec2018-02-05 14:20:36 -0800[diff] [blame]337 { USB_DEVICE(0x8087, 0x0026), .driver_info = BTUSB_INTEL_NEW },
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]338 { USB_DEVICE(0x8087, 0x0029), .driver_info = BTUSB_INTEL_NEW },
Marcel Holtmann407550f2015-02-22 15:41:18 -0800[diff] [blame]339 { USB_DEVICE(0x8087, 0x07da), .driver_info = BTUSB_CSR },
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]340 { USB_DEVICE(0x8087, 0x07dc), .driver_info = BTUSB_INTEL },
Tedd Ho-Jeong Anef4e5e42013-11-12 13:10:58 -0800[diff] [blame]341 { USB_DEVICE(0x8087, 0x0a2a), .driver_info = BTUSB_INTEL },
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]342 { USB_DEVICE(0x8087, 0x0a2b), .driver_info = BTUSB_INTEL_NEW },
Tedd Ho-Jeong An439e65d2016-06-20 13:43:40 -0700[diff] [blame]343 { USB_DEVICE(0x8087, 0x0aa7), .driver_info = BTUSB_INTEL },
Tedd Ho-Jeong An86a61292017-05-01 13:35:12 -0700[diff] [blame]344 { USB_DEVICE(0x8087, 0x0aaa), .driver_info = BTUSB_INTEL_NEW },
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]345
Marcel Holtmannd0ac9eb2015-01-28 19:41:43 -0800[diff] [blame]346 /* Other Intel Bluetooth devices */
347 { USB_VENDOR_AND_INTERFACE_INFO(0x8087, 0xe0, 0x01, 0x01),
348 .driver_info = BTUSB_IGNORE },
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]349
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]350 /* Realtek Bluetooth devices */
351 { USB_VENDOR_AND_INTERFACE_INFO(0x0bda, 0xe0, 0x01, 0x01),
352 .driver_info = BTUSB_REALTEK },
353
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]354 /* MediaTek Bluetooth devices */
355 { USB_VENDOR_AND_INTERFACE_INFO(0x0e8d, 0xe0, 0x01, 0x01),
356 .driver_info = BTUSB_MEDIATEK },
357
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]358 /* Additional Realtek 8723AE Bluetooth devices */
359 { USB_DEVICE(0x0930, 0x021d), .driver_info = BTUSB_REALTEK },
360 { USB_DEVICE(0x13d3, 0x3394), .driver_info = BTUSB_REALTEK },
361
362 /* Additional Realtek 8723BE Bluetooth devices */
363 { USB_DEVICE(0x0489, 0xe085), .driver_info = BTUSB_REALTEK },
364 { USB_DEVICE(0x0489, 0xe08b), .driver_info = BTUSB_REALTEK },
365 { USB_DEVICE(0x13d3, 0x3410), .driver_info = BTUSB_REALTEK },
366 { USB_DEVICE(0x13d3, 0x3416), .driver_info = BTUSB_REALTEK },
367 { USB_DEVICE(0x13d3, 0x3459), .driver_info = BTUSB_REALTEK },
Dmitry Tunina81d72d2017-08-08 14:09:02 +0300[diff] [blame]368 { USB_DEVICE(0x13d3, 0x3494), .driver_info = BTUSB_REALTEK },
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]369
Vicente Bergasa41e0792018-03-20 19:41:10 +0100[diff] [blame]370 /* Additional Realtek 8723BU Bluetooth devices */
371 { USB_DEVICE(0x7392, 0xa611), .driver_info = BTUSB_REALTEK },
372
Jian-Hong Pan66d99752018-05-21 18:09:20 +0800[diff] [blame]373 /* Additional Realtek 8723DE Bluetooth devices */
Jian-Hong Pan45ae68b2018-05-25 17:54:52 +0800[diff] [blame]374 { USB_DEVICE(0x0bda, 0xb009), .driver_info = BTUSB_REALTEK },
Jian-Hong Pan66d99752018-05-21 18:09:20 +0800[diff] [blame]375 { USB_DEVICE(0x2ff8, 0xb011), .driver_info = BTUSB_REALTEK },
376
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]377 /* Additional Realtek 8821AE Bluetooth devices */
378 { USB_DEVICE(0x0b05, 0x17dc), .driver_info = BTUSB_REALTEK },
379 { USB_DEVICE(0x13d3, 0x3414), .driver_info = BTUSB_REALTEK },
380 { USB_DEVICE(0x13d3, 0x3458), .driver_info = BTUSB_REALTEK },
381 { USB_DEVICE(0x13d3, 0x3461), .driver_info = BTUSB_REALTEK },
382 { USB_DEVICE(0x13d3, 0x3462), .driver_info = BTUSB_REALTEK },
383
Larry Fingerfed03fe2018-02-11 12:24:32 -0600[diff] [blame]384 /* Additional Realtek 8822BE Bluetooth devices */
Artiom Vaskov1cd2fab2018-05-30 11:23:00 +0300[diff] [blame]385 { USB_DEVICE(0x13d3, 0x3526), .driver_info = BTUSB_REALTEK },
Larry Fingerfed03fe2018-02-11 12:24:32 -0600[diff] [blame]386 { USB_DEVICE(0x0b05, 0x185c), .driver_info = BTUSB_REALTEK },
387
Jian-Hong Pan6d0762b2019-09-03 17:10:42 +0800[diff] [blame]388 /* Additional Realtek 8822CE Bluetooth devices */
389 { USB_DEVICE(0x04ca, 0x4005), .driver_info = BTUSB_REALTEK },
Sergey Shatunoveb3939e32020-02-08 23:53:15 +0800[diff] [blame^]390 { USB_DEVICE(0x13d3, 0x3548), .driver_info = BTUSB_REALTEK },
Jian-Hong Pan6d0762b2019-09-03 17:10:42 +0800[diff] [blame]391
Peter Poklop4481c072015-08-15 20:47:09 +0200[diff] [blame]392 /* Silicon Wave based devices */
393 { USB_DEVICE(0x0c10, 0x0000), .driver_info = BTUSB_SWAVE },
394
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]395 { } /* Terminating entry */
396};
397
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]398/* The Bluetooth USB module build into some devices needs to be reset on resume,
399 * this is a problem with the platform (likely shutting off all power) not with
400 * the module itself. So we use a DMI list to match known broken platforms.
401 */
402static const struct dmi_system_id btusb_needs_reset_resume_table[] = {
403 {
Kai-Heng Feng0c6e5262018-03-01 13:42:52 +0800[diff] [blame]404 /* Dell OptiPlex 3060 (QCA ROME device 0cf3:e007) */
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]405 .matches = {
Kai-Heng Feng0c6e5262018-03-01 13:42:52 +0800[diff] [blame]406 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
407 DMI_MATCH(DMI_PRODUCT_NAME, "OptiPlex 3060"),
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]408 },
409 },
Hans de Goede596b07a2018-04-26 20:52:06 +0200[diff] [blame]410 {
411 /* Dell XPS 9360 (QCA ROME device 0cf3:e300) */
412 .matches = {
413 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
414 DMI_MATCH(DMI_PRODUCT_NAME, "XPS 13 9360"),
415 },
416 },
Hans de Goede939bc6c2018-05-22 09:34:10 +0200[diff] [blame]417 {
418 /* Dell Inspiron 5565 (QCA ROME device 0cf3:e009) */
419 .matches = {
420 DMI_MATCH(DMI_SYS_VENDOR, "Dell Inc."),
421 DMI_MATCH(DMI_PRODUCT_NAME, "Inspiron 5565"),
422 },
423 },
Hans de Goede1fdb9262018-02-20 09:06:18 +0100[diff] [blame]424 {}
425};
426
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]427#define BTUSB_MAX_ISOC_FRAMES 10
428
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]429#define BTUSB_INTR_RUNNING 0
430#define BTUSB_BULK_RUNNING 1
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]431#define BTUSB_ISOC_RUNNING 2
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]432#define BTUSB_SUSPENDING 3
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]433#define BTUSB_DID_ISO_RESUME 4
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]434#define BTUSB_BOOTLOADER 5
435#define BTUSB_DOWNLOADING 6
Marcel Holtmannce6bb922015-01-28 01:58:40 -0800[diff] [blame]436#define BTUSB_FIRMWARE_LOADED 7
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]437#define BTUSB_FIRMWARE_FAILED 8
Marcel Holtmannce6bb922015-01-28 01:58:40 -0800[diff] [blame]438#define BTUSB_BOOTING 9
Hans de Goede61f5ace2018-01-08 10:44:16 +0100[diff] [blame]439#define BTUSB_DIAG_RUNNING 10
440#define BTUSB_OOB_WAKE_ENABLED 11
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]441#define BTUSB_HW_RESET_ACTIVE 12
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]442#define BTUSB_TX_WAIT_VND_EVT 13
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]443#define BTUSB_WAKEUP_DISABLE 14
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]444
445struct btusb_data {
446 struct hci_dev *hdev;
447 struct usb_device *udev;
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]448 struct usb_interface *intf;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]449 struct usb_interface *isoc;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]450 struct usb_interface *diag;
Marcel Holtmann459232f2017-10-24 19:42:45 +0200[diff] [blame]451 unsigned isoc_ifnum;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]452
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]453 unsigned long flags;
454
455 struct work_struct work;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]456 struct work_struct waker;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]457
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]458 struct usb_anchor deferred;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]459 struct usb_anchor tx_anchor;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]460 int tx_in_flight;
461 spinlock_t txlock;
462
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]463 struct usb_anchor intr_anchor;
464 struct usb_anchor bulk_anchor;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]465 struct usb_anchor isoc_anchor;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]466 struct usb_anchor diag_anchor;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]467 struct usb_anchor ctrl_anchor;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]468 spinlock_t rxlock;
469
470 struct sk_buff *evt_skb;
471 struct sk_buff *acl_skb;
472 struct sk_buff *sco_skb;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]473
474 struct usb_endpoint_descriptor *intr_ep;
475 struct usb_endpoint_descriptor *bulk_tx_ep;
476 struct usb_endpoint_descriptor *bulk_rx_ep;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]477 struct usb_endpoint_descriptor *isoc_tx_ep;
478 struct usb_endpoint_descriptor *isoc_rx_ep;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]479 struct usb_endpoint_descriptor *diag_tx_ep;
480 struct usb_endpoint_descriptor *diag_rx_ep;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]481
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]482 struct gpio_desc *reset_gpio;
483
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]484 __u8 cmdreq_type;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]485 __u8 cmdreq;
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]486
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]487 unsigned int sco_num;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]488 int isoc_altsetting;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]489 int suspend_count;
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]490
Marcel Holtmann97307f52015-01-12 13:51:10 -0800[diff] [blame]491 int (*recv_event)(struct hci_dev *hdev, struct sk_buff *skb);
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]492 int (*recv_bulk)(struct btusb_data *data, void *buffer, int count);
Kim, Ben Young Taeace31982015-02-15 23:06:14 +0000[diff] [blame]493
494 int (*setup_on_usb)(struct hci_dev *hdev);
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]495
496 int oob_wake_irq; /* irq for out-of-band wake-on-bt */
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]497 unsigned cmd_timeout_cnt;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]498};
499
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]500
501static void btusb_intel_cmd_timeout(struct hci_dev *hdev)
502{
503 struct btusb_data *data = hci_get_drvdata(hdev);
504 struct gpio_desc *reset_gpio = data->reset_gpio;
505
506 if (++data->cmd_timeout_cnt < 5)
507 return;
508
509 if (!reset_gpio) {
510 bt_dev_err(hdev, "No way to reset. Ignoring and continuing");
511 return;
512 }
513
514 /*
515 * Toggle the hard reset line if the platform provides one. The reset
516 * is going to yank the device off the USB and then replug. So doing
517 * once is enough. The cleanup is handled correctly on the way out
518 * (standard USB disconnect), and the new device is detected cleanly
519 * and bound to the driver again like it should be.
520 */
521 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
522 bt_dev_err(hdev, "last reset failed? Not resetting again");
523 return;
524 }
525
526 bt_dev_err(hdev, "Initiating HW reset via gpio");
Rajat Jain2de66bb82019-01-28 15:08:09 -0800[diff] [blame]527 gpiod_set_value_cansleep(reset_gpio, 1);
528 msleep(100);
529 gpiod_set_value_cansleep(reset_gpio, 0);
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]530}
531
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]532static void btusb_rtl_cmd_timeout(struct hci_dev *hdev)
533{
534 struct btusb_data *data = hci_get_drvdata(hdev);
535 struct gpio_desc *reset_gpio = data->reset_gpio;
536
537 if (++data->cmd_timeout_cnt < 5)
538 return;
539
540 if (!reset_gpio) {
541 bt_dev_err(hdev, "No gpio to reset Realtek device, ignoring");
542 return;
543 }
544
545 /* Toggle the hard reset line. The Realtek device is going to
546 * yank itself off the USB and then replug. The cleanup is handled
547 * correctly on the way out (standard USB disconnect), and the new
548 * device is detected cleanly and bound to the driver again like
549 * it should be.
550 */
551 if (test_and_set_bit(BTUSB_HW_RESET_ACTIVE, &data->flags)) {
552 bt_dev_err(hdev, "last reset failed? Not resetting again");
553 return;
554 }
555
556 bt_dev_err(hdev, "Reset Realtek device via gpio");
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]557 gpiod_set_value_cansleep(reset_gpio, 1);
Max Chou34682112019-11-27 11:01:07 +0800[diff] [blame]558 msleep(200);
559 gpiod_set_value_cansleep(reset_gpio, 0);
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]560}
561
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]562static inline void btusb_free_frags(struct btusb_data *data)
563{
564 unsigned long flags;
565
566 spin_lock_irqsave(&data->rxlock, flags);
567
568 kfree_skb(data->evt_skb);
569 data->evt_skb = NULL;
570
571 kfree_skb(data->acl_skb);
572 data->acl_skb = NULL;
573
574 kfree_skb(data->sco_skb);
575 data->sco_skb = NULL;
576
577 spin_unlock_irqrestore(&data->rxlock, flags);
578}
579
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]580static int btusb_recv_intr(struct btusb_data *data, void *buffer, int count)
581{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]582 struct sk_buff *skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]583 unsigned long flags;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]584 int err = 0;
585
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]586 spin_lock_irqsave(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]587 skb = data->evt_skb;
588
589 while (count) {
590 int len;
591
592 if (!skb) {
593 skb = bt_skb_alloc(HCI_MAX_EVENT_SIZE, GFP_ATOMIC);
594 if (!skb) {
595 err = -ENOMEM;
596 break;
597 }
598
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]599 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
600 hci_skb_expect(skb) = HCI_EVENT_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]601 }
602
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]603 len = min_t(uint, hci_skb_expect(skb), count);
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]604 skb_put_data(skb, buffer, len);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]605
606 count -= len;
607 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]608 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]609
610 if (skb->len == HCI_EVENT_HDR_SIZE) {
611 /* Complete event header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]612 hci_skb_expect(skb) = hci_event_hdr(skb)->plen;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]613
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]614 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]615 kfree_skb(skb);
616 skb = NULL;
617
618 err = -EILSEQ;
619 break;
620 }
621 }
622
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]623 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]624 /* Complete frame */
Marcel Holtmann97307f52015-01-12 13:51:10 -0800[diff] [blame]625 data->recv_event(data->hdev, skb);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]626 skb = NULL;
627 }
628 }
629
630 data->evt_skb = skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]631 spin_unlock_irqrestore(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]632
633 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]634}
635
636static int btusb_recv_bulk(struct btusb_data *data, void *buffer, int count)
637{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]638 struct sk_buff *skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]639 unsigned long flags;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]640 int err = 0;
641
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]642 spin_lock_irqsave(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]643 skb = data->acl_skb;
644
645 while (count) {
646 int len;
647
648 if (!skb) {
649 skb = bt_skb_alloc(HCI_MAX_FRAME_SIZE, GFP_ATOMIC);
650 if (!skb) {
651 err = -ENOMEM;
652 break;
653 }
654
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]655 hci_skb_pkt_type(skb) = HCI_ACLDATA_PKT;
656 hci_skb_expect(skb) = HCI_ACL_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]657 }
658
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]659 len = min_t(uint, hci_skb_expect(skb), count);
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]660 skb_put_data(skb, buffer, len);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]661
662 count -= len;
663 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]664 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]665
666 if (skb->len == HCI_ACL_HDR_SIZE) {
667 __le16 dlen = hci_acl_hdr(skb)->dlen;
668
669 /* Complete ACL header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]670 hci_skb_expect(skb) = __le16_to_cpu(dlen);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]671
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]672 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]673 kfree_skb(skb);
674 skb = NULL;
675
676 err = -EILSEQ;
677 break;
678 }
679 }
680
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]681 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]682 /* Complete frame */
683 hci_recv_frame(data->hdev, skb);
684 skb = NULL;
685 }
686 }
687
688 data->acl_skb = skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]689 spin_unlock_irqrestore(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]690
691 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]692}
693
694static int btusb_recv_isoc(struct btusb_data *data, void *buffer, int count)
695{
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]696 struct sk_buff *skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]697 unsigned long flags;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]698 int err = 0;
699
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]700 spin_lock_irqsave(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]701 skb = data->sco_skb;
702
703 while (count) {
704 int len;
705
706 if (!skb) {
707 skb = bt_skb_alloc(HCI_MAX_SCO_SIZE, GFP_ATOMIC);
708 if (!skb) {
709 err = -ENOMEM;
710 break;
711 }
712
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]713 hci_skb_pkt_type(skb) = HCI_SCODATA_PKT;
714 hci_skb_expect(skb) = HCI_SCO_HDR_SIZE;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]715 }
716
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]717 len = min_t(uint, hci_skb_expect(skb), count);
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]718 skb_put_data(skb, buffer, len);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]719
720 count -= len;
721 buffer += len;
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]722 hci_skb_expect(skb) -= len;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]723
724 if (skb->len == HCI_SCO_HDR_SIZE) {
725 /* Complete SCO header */
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]726 hci_skb_expect(skb) = hci_sco_hdr(skb)->dlen;
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]727
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]728 if (skb_tailroom(skb) < hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]729 kfree_skb(skb);
730 skb = NULL;
731
732 err = -EILSEQ;
733 break;
734 }
735 }
736
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]737 if (!hci_skb_expect(skb)) {
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]738 /* Complete frame */
739 hci_recv_frame(data->hdev, skb);
740 skb = NULL;
741 }
742 }
743
744 data->sco_skb = skb;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]745 spin_unlock_irqrestore(&data->rxlock, flags);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]746
747 return err;
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]748}
749
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]750static void btusb_intr_complete(struct urb *urb)
751{
752 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]753 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]754 int err;
755
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]756 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
757 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]758
759 if (!test_bit(HCI_RUNNING, &hdev->flags))
760 return;
761
762 if (urb->status == 0) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]763 hdev->stat.byte_rx += urb->actual_length;
764
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]765 if (btusb_recv_intr(data, urb->transfer_buffer,
766 urb->actual_length) < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]767 bt_dev_err(hdev, "corrupted event packet");
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]768 hdev->stat.err_rx++;
769 }
Champion Chen85560c42014-09-06 14:06:08 -0500[diff] [blame]770 } else if (urb->status == -ENOENT) {
771 /* Avoid suspend failed when usb_kill_urb */
772 return;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]773 }
774
775 if (!test_bit(BTUSB_INTR_RUNNING, &data->flags))
776 return;
777
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]778 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]779 usb_anchor_urb(urb, &data->intr_anchor);
780
781 err = usb_submit_urb(urb, GFP_ATOMIC);
782 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]783 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]784 * -ENODEV: device got disconnected
785 */
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]786 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]787 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
788 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]789 usb_unanchor_urb(urb);
790 }
791}
792
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]793static int btusb_submit_intr_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]794{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]795 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]796 struct urb *urb;
797 unsigned char *buf;
798 unsigned int pipe;
799 int err, size;
800
801 BT_DBG("%s", hdev->name);
802
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]803 if (!data->intr_ep)
804 return -ENODEV;
805
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]806 urb = usb_alloc_urb(0, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]807 if (!urb)
808 return -ENOMEM;
809
810 size = le16_to_cpu(data->intr_ep->wMaxPacketSize);
811
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]812 buf = kmalloc(size, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]813 if (!buf) {
814 usb_free_urb(urb);
815 return -ENOMEM;
816 }
817
818 pipe = usb_rcvintpipe(data->udev, data->intr_ep->bEndpointAddress);
819
820 usb_fill_int_urb(urb, data->udev, pipe, buf, size,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]821 btusb_intr_complete, hdev, data->intr_ep->bInterval);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]822
823 urb->transfer_flags |= URB_FREE_BUFFER;
824
825 usb_anchor_urb(urb, &data->intr_anchor);
826
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]827 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]828 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200[diff] [blame]829 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]830 bt_dev_err(hdev, "urb %p submission failed (%d)",
831 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]832 usb_unanchor_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]833 }
834
835 usb_free_urb(urb);
836
837 return err;
838}
839
840static void btusb_bulk_complete(struct urb *urb)
841{
842 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]843 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]844 int err;
845
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]846 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
847 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]848
849 if (!test_bit(HCI_RUNNING, &hdev->flags))
850 return;
851
852 if (urb->status == 0) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]853 hdev->stat.byte_rx += urb->actual_length;
854
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]855 if (data->recv_bulk(data, urb->transfer_buffer,
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]856 urb->actual_length) < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]857 bt_dev_err(hdev, "corrupted ACL packet");
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]858 hdev->stat.err_rx++;
859 }
Champion Chen85560c42014-09-06 14:06:08 -0500[diff] [blame]860 } else if (urb->status == -ENOENT) {
861 /* Avoid suspend failed when usb_kill_urb */
862 return;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]863 }
864
865 if (!test_bit(BTUSB_BULK_RUNNING, &data->flags))
866 return;
867
868 usb_anchor_urb(urb, &data->bulk_anchor);
Oliver Neukum652fd782009-12-16 19:23:43 +0100[diff] [blame]869 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]870
871 err = usb_submit_urb(urb, GFP_ATOMIC);
872 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]873 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]874 * -ENODEV: device got disconnected
875 */
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]876 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]877 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
878 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]879 usb_unanchor_urb(urb);
880 }
881}
882
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]883static int btusb_submit_bulk_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]884{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]885 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]886 struct urb *urb;
887 unsigned char *buf;
888 unsigned int pipe;
Vikram Kandukuri290ba202009-07-02 14:31:59 +0530[diff] [blame]889 int err, size = HCI_MAX_FRAME_SIZE;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]890
891 BT_DBG("%s", hdev->name);
892
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]893 if (!data->bulk_rx_ep)
894 return -ENODEV;
895
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]896 urb = usb_alloc_urb(0, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]897 if (!urb)
898 return -ENOMEM;
899
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]900 buf = kmalloc(size, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]901 if (!buf) {
902 usb_free_urb(urb);
903 return -ENOMEM;
904 }
905
906 pipe = usb_rcvbulkpipe(data->udev, data->bulk_rx_ep->bEndpointAddress);
907
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]908 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
909 btusb_bulk_complete, hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]910
911 urb->transfer_flags |= URB_FREE_BUFFER;
912
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]913 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]914 usb_anchor_urb(urb, &data->bulk_anchor);
915
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]916 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]917 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200[diff] [blame]918 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]919 bt_dev_err(hdev, "urb %p submission failed (%d)",
920 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]921 usb_unanchor_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]922 }
923
924 usb_free_urb(urb);
925
926 return err;
927}
928
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]929static void btusb_isoc_complete(struct urb *urb)
930{
931 struct hci_dev *hdev = urb->context;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]932 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]933 int i, err;
934
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]935 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
936 urb->actual_length);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]937
938 if (!test_bit(HCI_RUNNING, &hdev->flags))
939 return;
940
941 if (urb->status == 0) {
942 for (i = 0; i < urb->number_of_packets; i++) {
943 unsigned int offset = urb->iso_frame_desc[i].offset;
944 unsigned int length = urb->iso_frame_desc[i].actual_length;
945
946 if (urb->iso_frame_desc[i].status)
947 continue;
948
949 hdev->stat.byte_rx += length;
950
Marcel Holtmann1ffa4ad2014-09-16 05:33:33 +0200[diff] [blame]951 if (btusb_recv_isoc(data, urb->transfer_buffer + offset,
952 length) < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]953 bt_dev_err(hdev, "corrupted SCO packet");
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]954 hdev->stat.err_rx++;
955 }
956 }
Champion Chen85560c42014-09-06 14:06:08 -0500[diff] [blame]957 } else if (urb->status == -ENOENT) {
958 /* Avoid suspend failed when usb_kill_urb */
959 return;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]960 }
961
962 if (!test_bit(BTUSB_ISOC_RUNNING, &data->flags))
963 return;
964
965 usb_anchor_urb(urb, &data->isoc_anchor);
966
967 err = usb_submit_urb(urb, GFP_ATOMIC);
968 if (err < 0) {
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]969 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]970 * -ENODEV: device got disconnected
971 */
Paul Bolle4935f1c2011-08-09 17:16:28 +0200[diff] [blame]972 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]973 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
974 urb, -err);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]975 usb_unanchor_urb(urb);
976 }
977}
978
Jesper Juhl42b16b32011-01-17 00:09:38 +0100[diff] [blame]979static inline void __fill_isoc_descriptor(struct urb *urb, int len, int mtu)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]980{
981 int i, offset = 0;
982
983 BT_DBG("len %d mtu %d", len, mtu);
984
985 for (i = 0; i < BTUSB_MAX_ISOC_FRAMES && len >= mtu;
986 i++, offset += mtu, len -= mtu) {
987 urb->iso_frame_desc[i].offset = offset;
988 urb->iso_frame_desc[i].length = mtu;
989 }
990
991 if (len && i < BTUSB_MAX_ISOC_FRAMES) {
992 urb->iso_frame_desc[i].offset = offset;
993 urb->iso_frame_desc[i].length = len;
994 i++;
995 }
996
997 urb->number_of_packets = i;
998}
999
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1000static int btusb_submit_isoc_urb(struct hci_dev *hdev, gfp_t mem_flags)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1001{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1002 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1003 struct urb *urb;
1004 unsigned char *buf;
1005 unsigned int pipe;
1006 int err, size;
1007
1008 BT_DBG("%s", hdev->name);
1009
1010 if (!data->isoc_rx_ep)
1011 return -ENODEV;
1012
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1013 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1014 if (!urb)
1015 return -ENOMEM;
1016
1017 size = le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize) *
1018 BTUSB_MAX_ISOC_FRAMES;
1019
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1020 buf = kmalloc(size, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1021 if (!buf) {
1022 usb_free_urb(urb);
1023 return -ENOMEM;
1024 }
1025
1026 pipe = usb_rcvisocpipe(data->udev, data->isoc_rx_ep->bEndpointAddress);
1027
Bing Zhaofa0fb932011-12-20 18:19:00 -0800[diff] [blame]1028 usb_fill_int_urb(urb, data->udev, pipe, buf, size, btusb_isoc_complete,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1029 hdev, data->isoc_rx_ep->bInterval);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1030
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1031 urb->transfer_flags = URB_FREE_BUFFER | URB_ISO_ASAP;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1032
1033 __fill_isoc_descriptor(urb, size,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1034 le16_to_cpu(data->isoc_rx_ep->wMaxPacketSize));
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1035
1036 usb_anchor_urb(urb, &data->isoc_anchor);
1037
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1038 err = usb_submit_urb(urb, mem_flags);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1039 if (err < 0) {
Paul Bolled4b8d1c2011-10-09 12:12:22 +0200[diff] [blame]1040 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1041 bt_dev_err(hdev, "urb %p submission failed (%d)",
1042 urb, -err);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1043 usb_unanchor_urb(urb);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1044 }
1045
1046 usb_free_urb(urb);
1047
1048 return err;
1049}
1050
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1051static void btusb_diag_complete(struct urb *urb)
1052{
1053 struct hci_dev *hdev = urb->context;
1054 struct btusb_data *data = hci_get_drvdata(hdev);
1055 int err;
1056
1057 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1058 urb->actual_length);
1059
1060 if (urb->status == 0) {
1061 struct sk_buff *skb;
1062
1063 skb = bt_skb_alloc(urb->actual_length, GFP_ATOMIC);
1064 if (skb) {
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]1065 skb_put_data(skb, urb->transfer_buffer,
1066 urb->actual_length);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1067 hci_recv_diag(hdev, skb);
1068 }
1069 } else if (urb->status == -ENOENT) {
1070 /* Avoid suspend failed when usb_kill_urb */
1071 return;
1072 }
1073
1074 if (!test_bit(BTUSB_DIAG_RUNNING, &data->flags))
1075 return;
1076
1077 usb_anchor_urb(urb, &data->diag_anchor);
1078 usb_mark_last_busy(data->udev);
1079
1080 err = usb_submit_urb(urb, GFP_ATOMIC);
1081 if (err < 0) {
1082 /* -EPERM: urb is being killed;
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]1083 * -ENODEV: device got disconnected
1084 */
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1085 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1086 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
1087 urb, -err);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1088 usb_unanchor_urb(urb);
1089 }
1090}
1091
1092static int btusb_submit_diag_urb(struct hci_dev *hdev, gfp_t mem_flags)
1093{
1094 struct btusb_data *data = hci_get_drvdata(hdev);
1095 struct urb *urb;
1096 unsigned char *buf;
1097 unsigned int pipe;
1098 int err, size = HCI_MAX_FRAME_SIZE;
1099
1100 BT_DBG("%s", hdev->name);
1101
1102 if (!data->diag_rx_ep)
1103 return -ENODEV;
1104
1105 urb = usb_alloc_urb(0, mem_flags);
1106 if (!urb)
1107 return -ENOMEM;
1108
1109 buf = kmalloc(size, mem_flags);
1110 if (!buf) {
1111 usb_free_urb(urb);
1112 return -ENOMEM;
1113 }
1114
1115 pipe = usb_rcvbulkpipe(data->udev, data->diag_rx_ep->bEndpointAddress);
1116
1117 usb_fill_bulk_urb(urb, data->udev, pipe, buf, size,
1118 btusb_diag_complete, hdev);
1119
1120 urb->transfer_flags |= URB_FREE_BUFFER;
1121
1122 usb_mark_last_busy(data->udev);
1123 usb_anchor_urb(urb, &data->diag_anchor);
1124
1125 err = usb_submit_urb(urb, mem_flags);
1126 if (err < 0) {
1127 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1128 bt_dev_err(hdev, "urb %p submission failed (%d)",
1129 urb, -err);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1130 usb_unanchor_urb(urb);
1131 }
1132
1133 usb_free_urb(urb);
1134
1135 return err;
1136}
1137
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1138static void btusb_tx_complete(struct urb *urb)
1139{
1140 struct sk_buff *skb = urb->context;
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1141 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1142 struct btusb_data *data = hci_get_drvdata(hdev);
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]1143 unsigned long flags;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1144
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1145 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1146 urb->actual_length);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1147
1148 if (!test_bit(HCI_RUNNING, &hdev->flags))
1149 goto done;
1150
1151 if (!urb->status)
1152 hdev->stat.byte_tx += urb->transfer_buffer_length;
1153 else
1154 hdev->stat.err_tx++;
1155
1156done:
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]1157 spin_lock_irqsave(&data->txlock, flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1158 data->tx_in_flight--;
Sebastian Andrzej Siewiora5e50d52018-06-19 23:56:57 +0200[diff] [blame]1159 spin_unlock_irqrestore(&data->txlock, flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1160
1161 kfree(urb->setup_packet);
1162
1163 kfree_skb(skb);
1164}
1165
1166static void btusb_isoc_tx_complete(struct urb *urb)
1167{
1168 struct sk_buff *skb = urb->context;
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1169 struct hci_dev *hdev = (struct hci_dev *)skb->dev;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1170
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1171 BT_DBG("%s urb %p status %d count %d", hdev->name, urb, urb->status,
1172 urb->actual_length);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1173
1174 if (!test_bit(HCI_RUNNING, &hdev->flags))
1175 goto done;
1176
1177 if (!urb->status)
1178 hdev->stat.byte_tx += urb->transfer_buffer_length;
1179 else
1180 hdev->stat.err_tx++;
1181
1182done:
1183 kfree(urb->setup_packet);
1184
1185 kfree_skb(skb);
1186}
1187
1188static int btusb_open(struct hci_dev *hdev)
1189{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1190 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1191 int err;
1192
1193 BT_DBG("%s", hdev->name);
1194
Ethan Hsiehc7e163f2016-10-07 12:06:42 +0800[diff] [blame]1195 err = usb_autopm_get_interface(data->intf);
1196 if (err < 0)
1197 return err;
1198
Kim, Ben Young Taeace31982015-02-15 23:06:14 +0000[diff] [blame]1199 /* Patching USB firmware files prior to starting any URBs of HCI path
1200 * It is more safe to use USB bulk channel for downloading USB patch
1201 */
1202 if (data->setup_on_usb) {
1203 err = data->setup_on_usb(hdev);
Marcel Holtmanneb500422015-04-16 23:15:50 +0200[diff] [blame]1204 if (err < 0)
Oliver Neukum3d44a6f2019-11-14 16:01:18 +0100[diff] [blame]1205 goto setup_fail;
Kim, Ben Young Taeace31982015-02-15 23:06:14 +0000[diff] [blame]1206 }
1207
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1208 data->intf->needs_remote_wakeup = 1;
1209
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]1210 /* Disable device remote wakeup when host is suspended
1211 * For Realtek chips, global suspend without
1212 * SET_FEATURE (DEVICE_REMOTE_WAKEUP) can save more power in device.
1213 */
1214 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
1215 device_wakeup_disable(&data->udev->dev);
1216
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1217 if (test_and_set_bit(BTUSB_INTR_RUNNING, &data->flags))
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1218 goto done;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1219
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1220 err = btusb_submit_intr_urb(hdev, GFP_KERNEL);
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1221 if (err < 0)
1222 goto failed;
1223
1224 err = btusb_submit_bulk_urb(hdev, GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1225 if (err < 0) {
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1226 usb_kill_anchored_urbs(&data->intr_anchor);
1227 goto failed;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1228 }
1229
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1230 set_bit(BTUSB_BULK_RUNNING, &data->flags);
1231 btusb_submit_bulk_urb(hdev, GFP_KERNEL);
1232
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1233 if (data->diag) {
1234 if (!btusb_submit_diag_urb(hdev, GFP_KERNEL))
1235 set_bit(BTUSB_DIAG_RUNNING, &data->flags);
1236 }
1237
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1238done:
1239 usb_autopm_put_interface(data->intf);
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1240 return 0;
1241
1242failed:
1243 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Oliver Neukum3d44a6f2019-11-14 16:01:18 +0100[diff] [blame]1244setup_fail:
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1245 usb_autopm_put_interface(data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1246 return err;
1247}
1248
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1249static void btusb_stop_traffic(struct btusb_data *data)
1250{
1251 usb_kill_anchored_urbs(&data->intr_anchor);
1252 usb_kill_anchored_urbs(&data->bulk_anchor);
1253 usb_kill_anchored_urbs(&data->isoc_anchor);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1254 usb_kill_anchored_urbs(&data->diag_anchor);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]1255 usb_kill_anchored_urbs(&data->ctrl_anchor);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1256}
1257
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1258static int btusb_close(struct hci_dev *hdev)
1259{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1260 struct btusb_data *data = hci_get_drvdata(hdev);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1261 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1262
1263 BT_DBG("%s", hdev->name);
1264
Marcel Holtmanne8c3c3d2008-09-23 00:16:36 +0200[diff] [blame]1265 cancel_work_sync(&data->work);
Linus Torvalds404291a2009-11-11 13:32:29 -0800[diff] [blame]1266 cancel_work_sync(&data->waker);
Marcel Holtmanne8c3c3d2008-09-23 00:16:36 +0200[diff] [blame]1267
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1268 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1269 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1270 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]1271 clear_bit(BTUSB_DIAG_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1272
1273 btusb_stop_traffic(data);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]1274 btusb_free_frags(data);
1275
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1276 err = usb_autopm_get_interface(data->intf);
1277 if (err < 0)
Oliver Neukum7b8e2c12009-11-13 14:26:23 +0100[diff] [blame]1278 goto failed;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1279
1280 data->intf->needs_remote_wakeup = 0;
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]1281
1282 /* Enable remote wake up for auto-suspend */
1283 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags))
1284 data->intf->needs_remote_wakeup = 1;
1285
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1286 usb_autopm_put_interface(data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1287
Oliver Neukum7b8e2c12009-11-13 14:26:23 +0100[diff] [blame]1288failed:
1289 usb_scuttle_anchored_urbs(&data->deferred);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1290 return 0;
1291}
1292
1293static int btusb_flush(struct hci_dev *hdev)
1294{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1295 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1296
1297 BT_DBG("%s", hdev->name);
1298
1299 usb_kill_anchored_urbs(&data->tx_anchor);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]1300 btusb_free_frags(data);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1301
1302 return 0;
1303}
1304
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1305static struct urb *alloc_ctrl_urb(struct hci_dev *hdev, struct sk_buff *skb)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1306{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1307 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1308 struct usb_ctrlrequest *dr;
1309 struct urb *urb;
1310 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1311
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1312 urb = usb_alloc_urb(0, GFP_KERNEL);
1313 if (!urb)
1314 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1315
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1316 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
1317 if (!dr) {
1318 usb_free_urb(urb);
1319 return ERR_PTR(-ENOMEM);
1320 }
1321
1322 dr->bRequestType = data->cmdreq_type;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]1323 dr->bRequest = data->cmdreq;
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1324 dr->wIndex = 0;
1325 dr->wValue = 0;
1326 dr->wLength = __cpu_to_le16(skb->len);
1327
1328 pipe = usb_sndctrlpipe(data->udev, 0x00);
1329
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1330 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1331 skb->data, skb->len, btusb_tx_complete, skb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1332
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1333 skb->dev = (void *)hdev;
Marcel Holtmann7bd8f092013-10-11 06:19:18 -0700[diff] [blame]1334
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1335 return urb;
1336}
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1337
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1338static struct urb *alloc_bulk_urb(struct hci_dev *hdev, struct sk_buff *skb)
1339{
1340 struct btusb_data *data = hci_get_drvdata(hdev);
1341 struct urb *urb;
1342 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1343
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1344 if (!data->bulk_tx_ep)
1345 return ERR_PTR(-ENODEV);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1346
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1347 urb = usb_alloc_urb(0, GFP_KERNEL);
1348 if (!urb)
1349 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1350
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1351 pipe = usb_sndbulkpipe(data->udev, data->bulk_tx_ep->bEndpointAddress);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1352
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1353 usb_fill_bulk_urb(urb, data->udev, pipe,
1354 skb->data, skb->len, btusb_tx_complete, skb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1355
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1356 skb->dev = (void *)hdev;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1357
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1358 return urb;
1359}
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1360
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1361static struct urb *alloc_isoc_urb(struct hci_dev *hdev, struct sk_buff *skb)
1362{
1363 struct btusb_data *data = hci_get_drvdata(hdev);
1364 struct urb *urb;
1365 unsigned int pipe;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1366
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1367 if (!data->isoc_tx_ep)
1368 return ERR_PTR(-ENODEV);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1369
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1370 urb = usb_alloc_urb(BTUSB_MAX_ISOC_FRAMES, GFP_KERNEL);
1371 if (!urb)
1372 return ERR_PTR(-ENOMEM);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1373
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1374 pipe = usb_sndisocpipe(data->udev, data->isoc_tx_ep->bEndpointAddress);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1375
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1376 usb_fill_int_urb(urb, data->udev, pipe,
1377 skb->data, skb->len, btusb_isoc_tx_complete,
1378 skb, data->isoc_tx_ep->bInterval);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1379
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1380 urb->transfer_flags = URB_ISO_ASAP;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1381
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1382 __fill_isoc_descriptor(urb, skb->len,
1383 le16_to_cpu(data->isoc_tx_ep->wMaxPacketSize));
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1384
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1385 skb->dev = (void *)hdev;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1386
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1387 return urb;
1388}
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1389
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1390static int submit_tx_urb(struct hci_dev *hdev, struct urb *urb)
1391{
1392 struct btusb_data *data = hci_get_drvdata(hdev);
1393 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1394
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1395 usb_anchor_urb(urb, &data->tx_anchor);
1396
Johan Hedberge9753ef2014-09-14 08:49:34 +0300[diff] [blame]1397 err = usb_submit_urb(urb, GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1398 if (err < 0) {
Paul Bolle5a9b80e2011-10-09 12:12:16 +0200[diff] [blame]1399 if (err != -EPERM && err != -ENODEV)
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1400 bt_dev_err(hdev, "urb %p submission failed (%d)",
1401 urb, -err);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1402 kfree(urb->setup_packet);
1403 usb_unanchor_urb(urb);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1404 } else {
1405 usb_mark_last_busy(data->udev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1406 }
1407
Cong Wang54a8a792011-11-22 09:32:57 +0800[diff] [blame]1408 usb_free_urb(urb);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1409 return err;
1410}
1411
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1412static int submit_or_queue_tx_urb(struct hci_dev *hdev, struct urb *urb)
1413{
1414 struct btusb_data *data = hci_get_drvdata(hdev);
1415 unsigned long flags;
1416 bool suspending;
1417
1418 spin_lock_irqsave(&data->txlock, flags);
1419 suspending = test_bit(BTUSB_SUSPENDING, &data->flags);
1420 if (!suspending)
1421 data->tx_in_flight++;
1422 spin_unlock_irqrestore(&data->txlock, flags);
1423
1424 if (!suspending)
1425 return submit_tx_urb(hdev, urb);
1426
1427 usb_anchor_urb(urb, &data->deferred);
1428 schedule_work(&data->waker);
1429
1430 usb_free_urb(urb);
1431 return 0;
1432}
1433
1434static int btusb_send_frame(struct hci_dev *hdev, struct sk_buff *skb)
1435{
1436 struct urb *urb;
1437
1438 BT_DBG("%s", hdev->name);
1439
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]1440 switch (hci_skb_pkt_type(skb)) {
Marcel Holtmann047b2ec2014-09-14 09:11:06 +0200[diff] [blame]1441 case HCI_COMMAND_PKT:
1442 urb = alloc_ctrl_urb(hdev, skb);
1443 if (IS_ERR(urb))
1444 return PTR_ERR(urb);
1445
1446 hdev->stat.cmd_tx++;
1447 return submit_or_queue_tx_urb(hdev, urb);
1448
1449 case HCI_ACLDATA_PKT:
1450 urb = alloc_bulk_urb(hdev, skb);
1451 if (IS_ERR(urb))
1452 return PTR_ERR(urb);
1453
1454 hdev->stat.acl_tx++;
1455 return submit_or_queue_tx_urb(hdev, urb);
1456
1457 case HCI_SCODATA_PKT:
1458 if (hci_conn_num(hdev, SCO_LINK) < 1)
1459 return -ENODEV;
1460
1461 urb = alloc_isoc_urb(hdev, skb);
1462 if (IS_ERR(urb))
1463 return PTR_ERR(urb);
1464
1465 hdev->stat.sco_tx++;
1466 return submit_tx_urb(hdev, urb);
1467 }
1468
1469 return -EILSEQ;
1470}
1471
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1472static void btusb_notify(struct hci_dev *hdev, unsigned int evt)
1473{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1474 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1475
1476 BT_DBG("%s evt %d", hdev->name, evt);
1477
Marcel Holtmann014f7bc2013-10-10 09:47:55 -0700[diff] [blame]1478 if (hci_conn_num(hdev, SCO_LINK) != data->sco_num) {
1479 data->sco_num = hci_conn_num(hdev, SCO_LINK);
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]1480 schedule_work(&data->work);
Marcel Holtmanna780efa2008-11-30 12:17:12 +0100[diff] [blame]1481 }
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1482}
1483
Jesper Juhl42b16b32011-01-17 00:09:38 +0100[diff] [blame]1484static inline int __set_isoc_interface(struct hci_dev *hdev, int altsetting)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1485{
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]1486 struct btusb_data *data = hci_get_drvdata(hdev);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1487 struct usb_interface *intf = data->isoc;
1488 struct usb_endpoint_descriptor *ep_desc;
1489 int i, err;
1490
1491 if (!data->isoc)
1492 return -ENODEV;
1493
Marcel Holtmann459232f2017-10-24 19:42:45 +0200[diff] [blame]1494 err = usb_set_interface(data->udev, data->isoc_ifnum, altsetting);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1495 if (err < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1496 bt_dev_err(hdev, "setting interface failed (%d)", -err);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1497 return err;
1498 }
1499
1500 data->isoc_altsetting = altsetting;
1501
1502 data->isoc_tx_ep = NULL;
1503 data->isoc_rx_ep = NULL;
1504
1505 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
1506 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
1507
1508 if (!data->isoc_tx_ep && usb_endpoint_is_isoc_out(ep_desc)) {
1509 data->isoc_tx_ep = ep_desc;
1510 continue;
1511 }
1512
1513 if (!data->isoc_rx_ep && usb_endpoint_is_isoc_in(ep_desc)) {
1514 data->isoc_rx_ep = ep_desc;
1515 continue;
1516 }
1517 }
1518
1519 if (!data->isoc_tx_ep || !data->isoc_rx_ep) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1520 bt_dev_err(hdev, "invalid SCO descriptors");
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1521 return -ENODEV;
1522 }
1523
1524 return 0;
1525}
1526
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1527static void btusb_work(struct work_struct *work)
1528{
1529 struct btusb_data *data = container_of(work, struct btusb_data, work);
1530 struct hci_dev *hdev = data->hdev;
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1531 int new_alts;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1532 int err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1533
Marcel Holtmann014f7bc2013-10-10 09:47:55 -0700[diff] [blame]1534 if (data->sco_num > 0) {
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]1535 if (!test_bit(BTUSB_DID_ISO_RESUME, &data->flags)) {
Oliver Neukum8efdd0c2011-02-11 13:00:06 +0100[diff] [blame]1536 err = usb_autopm_get_interface(data->isoc ? data->isoc : data->intf);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1537 if (err < 0) {
1538 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1539 usb_kill_anchored_urbs(&data->isoc_anchor);
1540 return;
1541 }
1542
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]1543 set_bit(BTUSB_DID_ISO_RESUME, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1544 }
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1545
1546 if (hdev->voice_setting & 0x0020) {
1547 static const int alts[3] = { 2, 4, 5 };
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1548
Marcel Holtmann014f7bc2013-10-10 09:47:55 -0700[diff] [blame]1549 new_alts = alts[data->sco_num - 1];
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1550 } else {
Marcel Holtmann014f7bc2013-10-10 09:47:55 -0700[diff] [blame]1551 new_alts = data->sco_num;
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1552 }
1553
1554 if (data->isoc_altsetting != new_alts) {
Kuba Pawlakf6fc86f2015-10-28 15:18:05 +0100[diff] [blame]1555 unsigned long flags;
1556
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1557 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1558 usb_kill_anchored_urbs(&data->isoc_anchor);
1559
Kuba Pawlak8f9d02f2015-09-10 17:07:00 +0100[diff] [blame]1560 /* When isochronous alternate setting needs to be
1561 * changed, because SCO connection has been added
1562 * or removed, a packet fragment may be left in the
1563 * reassembling state. This could lead to wrongly
1564 * assembled fragments.
1565 *
1566 * Clear outstanding fragment when selecting a new
1567 * alternate setting.
1568 */
Kuba Pawlakf6fc86f2015-10-28 15:18:05 +0100[diff] [blame]1569 spin_lock_irqsave(&data->rxlock, flags);
Kuba Pawlak8f9d02f2015-09-10 17:07:00 +0100[diff] [blame]1570 kfree_skb(data->sco_skb);
1571 data->sco_skb = NULL;
Kuba Pawlakf6fc86f2015-10-28 15:18:05 +0100[diff] [blame]1572 spin_unlock_irqrestore(&data->rxlock, flags);
Kuba Pawlak8f9d02f2015-09-10 17:07:00 +0100[diff] [blame]1573
Mikel Astizf4001d22012-04-11 08:48:51 +0200[diff] [blame]1574 if (__set_isoc_interface(hdev, new_alts) < 0)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1575 return;
1576 }
1577
1578 if (!test_and_set_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1579 if (btusb_submit_isoc_urb(hdev, GFP_KERNEL) < 0)
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1580 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1581 else
Marcel Holtmann2eda66f2008-11-30 12:17:10 +0100[diff] [blame]1582 btusb_submit_isoc_urb(hdev, GFP_KERNEL);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]1583 }
1584 } else {
1585 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
1586 usb_kill_anchored_urbs(&data->isoc_anchor);
1587
1588 __set_isoc_interface(hdev, 0);
Gustavo F. Padovan08b8b6c2010-07-16 17:20:33 -0300[diff] [blame]1589 if (test_and_clear_bit(BTUSB_DID_ISO_RESUME, &data->flags))
Oliver Neukum8efdd0c2011-02-11 13:00:06 +0100[diff] [blame]1590 usb_autopm_put_interface(data->isoc ? data->isoc : data->intf);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]1591 }
1592}
1593
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]1594static void btusb_waker(struct work_struct *work)
1595{
1596 struct btusb_data *data = container_of(work, struct btusb_data, waker);
1597 int err;
1598
1599 err = usb_autopm_get_interface(data->intf);
1600 if (err < 0)
1601 return;
1602
1603 usb_autopm_put_interface(data->intf);
1604}
1605
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]1606static int btusb_setup_bcm92035(struct hci_dev *hdev)
1607{
1608 struct sk_buff *skb;
1609 u8 val = 0x00;
1610
1611 BT_DBG("%s", hdev->name);
1612
1613 skb = __hci_cmd_sync(hdev, 0xfc3b, 1, &val, HCI_INIT_TIMEOUT);
1614 if (IS_ERR(skb))
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1615 bt_dev_err(hdev, "BCM92035 command failed (%ld)", PTR_ERR(skb));
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]1616 else
1617 kfree_skb(skb);
1618
1619 return 0;
1620}
1621
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1622static int btusb_setup_csr(struct hci_dev *hdev)
1623{
1624 struct hci_rp_read_local_version *rp;
1625 struct sk_buff *skb;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1626
1627 BT_DBG("%s", hdev->name);
1628
Marcel Holtmann7cd84d72015-06-07 10:01:02 +0200[diff] [blame]1629 skb = __hci_cmd_sync(hdev, HCI_OP_READ_LOCAL_VERSION, 0, NULL,
1630 HCI_INIT_TIMEOUT);
1631 if (IS_ERR(skb)) {
1632 int err = PTR_ERR(skb);
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1633 bt_dev_err(hdev, "CSR: Local version failed (%d)", err);
Marcel Holtmann7cd84d72015-06-07 10:01:02 +0200[diff] [blame]1634 return err;
1635 }
1636
1637 if (skb->len != sizeof(struct hci_rp_read_local_version)) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1638 bt_dev_err(hdev, "CSR: Local version length mismatch");
Marcel Holtmann7cd84d72015-06-07 10:01:02 +0200[diff] [blame]1639 kfree_skb(skb);
1640 return -EIO;
1641 }
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1642
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1643 rp = (struct hci_rp_read_local_version *)skb->data;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1644
Johan Hedberg6cafcd92015-08-30 21:47:21 +0300[diff] [blame]1645 /* Detect controllers which aren't real CSR ones. */
1646 if (le16_to_cpu(rp->manufacturer) != 10 ||
1647 le16_to_cpu(rp->lmp_subver) == 0x0c5c) {
Marcel Holtmann9641d342015-06-07 10:01:01 +0200[diff] [blame]1648 /* Clear the reset quirk since this is not an actual
1649 * early Bluetooth 1.1 device from CSR.
1650 */
1651 clear_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1652
Marcel Holtmann9641d342015-06-07 10:01:01 +0200[diff] [blame]1653 /* These fake CSR controllers have all a broken
1654 * stored link key handling and so just disable it.
1655 */
1656 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1657 }
1658
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1659 kfree_skb(skb);
1660
Marcel Holtmann9641d342015-06-07 10:01:01 +0200[diff] [blame]1661 return 0;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]1662}
1663
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1664static const struct firmware *btusb_setup_intel_get_fw(struct hci_dev *hdev,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]1665 struct intel_version *ver)
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1666{
1667 const struct firmware *fw;
1668 char fwname[64];
1669 int ret;
1670
1671 snprintf(fwname, sizeof(fwname),
1672 "intel/ibt-hw-%x.%x.%x-fw-%x.%x.%x.%x.%x.bseq",
1673 ver->hw_platform, ver->hw_variant, ver->hw_revision,
1674 ver->fw_variant, ver->fw_revision, ver->fw_build_num,
1675 ver->fw_build_ww, ver->fw_build_yy);
1676
1677 ret = request_firmware(&fw, fwname, &hdev->dev);
1678 if (ret < 0) {
1679 if (ret == -EINVAL) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1680 bt_dev_err(hdev, "Intel firmware file request failed (%d)",
1681 ret);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1682 return NULL;
1683 }
1684
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1685 bt_dev_err(hdev, "failed to open Intel firmware file: %s (%d)",
1686 fwname, ret);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1687
1688 /* If the correct firmware patch file is not found, use the
1689 * default firmware patch file instead
1690 */
1691 snprintf(fwname, sizeof(fwname), "intel/ibt-hw-%x.%x.bseq",
1692 ver->hw_platform, ver->hw_variant);
1693 if (request_firmware(&fw, fwname, &hdev->dev) < 0) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1694 bt_dev_err(hdev, "failed to open default fw file: %s",
1695 fwname);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1696 return NULL;
1697 }
1698 }
1699
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1700 bt_dev_info(hdev, "Intel Bluetooth firmware file: %s", fwname);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1701
1702 return fw;
1703}
1704
1705static int btusb_setup_intel_patching(struct hci_dev *hdev,
1706 const struct firmware *fw,
1707 const u8 **fw_ptr, int *disable_patch)
1708{
1709 struct sk_buff *skb;
1710 struct hci_command_hdr *cmd;
1711 const u8 *cmd_param;
1712 struct hci_event_hdr *evt = NULL;
1713 const u8 *evt_param = NULL;
1714 int remain = fw->size - (*fw_ptr - fw->data);
1715
1716 /* The first byte indicates the types of the patch command or event.
1717 * 0x01 means HCI command and 0x02 is HCI event. If the first bytes
1718 * in the current firmware buffer doesn't start with 0x01 or
1719 * the size of remain buffer is smaller than HCI command header,
1720 * the firmware file is corrupted and it should stop the patching
1721 * process.
1722 */
1723 if (remain > HCI_COMMAND_HDR_SIZE && *fw_ptr[0] != 0x01) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1724 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd read");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1725 return -EINVAL;
1726 }
1727 (*fw_ptr)++;
1728 remain--;
1729
1730 cmd = (struct hci_command_hdr *)(*fw_ptr);
1731 *fw_ptr += sizeof(*cmd);
1732 remain -= sizeof(*cmd);
1733
1734 /* Ensure that the remain firmware data is long enough than the length
1735 * of command parameter. If not, the firmware file is corrupted.
1736 */
1737 if (remain < cmd->plen) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1738 bt_dev_err(hdev, "Intel fw corrupted: invalid cmd len");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1739 return -EFAULT;
1740 }
1741
1742 /* If there is a command that loads a patch in the firmware
1743 * file, then enable the patch upon success, otherwise just
1744 * disable the manufacturer mode, for example patch activation
1745 * is not required when the default firmware patch file is used
1746 * because there are no patch data to load.
1747 */
1748 if (*disable_patch && le16_to_cpu(cmd->opcode) == 0xfc8e)
1749 *disable_patch = 0;
1750
1751 cmd_param = *fw_ptr;
1752 *fw_ptr += cmd->plen;
1753 remain -= cmd->plen;
1754
1755 /* This reads the expected events when the above command is sent to the
1756 * device. Some vendor commands expects more than one events, for
1757 * example command status event followed by vendor specific event.
1758 * For this case, it only keeps the last expected event. so the command
1759 * can be sent with __hci_cmd_sync_ev() which returns the sk_buff of
1760 * last expected event.
1761 */
1762 while (remain > HCI_EVENT_HDR_SIZE && *fw_ptr[0] == 0x02) {
1763 (*fw_ptr)++;
1764 remain--;
1765
1766 evt = (struct hci_event_hdr *)(*fw_ptr);
1767 *fw_ptr += sizeof(*evt);
1768 remain -= sizeof(*evt);
1769
1770 if (remain < evt->plen) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1771 bt_dev_err(hdev, "Intel fw corrupted: invalid evt len");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1772 return -EFAULT;
1773 }
1774
1775 evt_param = *fw_ptr;
1776 *fw_ptr += evt->plen;
1777 remain -= evt->plen;
1778 }
1779
1780 /* Every HCI commands in the firmware file has its correspond event.
1781 * If event is not found or remain is smaller than zero, the firmware
1782 * file is corrupted.
1783 */
1784 if (!evt || !evt_param || remain < 0) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1785 bt_dev_err(hdev, "Intel fw corrupted: invalid evt read");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1786 return -EFAULT;
1787 }
1788
1789 skb = __hci_cmd_sync_ev(hdev, le16_to_cpu(cmd->opcode), cmd->plen,
1790 cmd_param, evt->evt, HCI_INIT_TIMEOUT);
1791 if (IS_ERR(skb)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1792 bt_dev_err(hdev, "sending Intel patch command (0x%4.4x) failed (%ld)",
1793 cmd->opcode, PTR_ERR(skb));
Adam Leed9c78e92013-07-10 10:02:12 +0800[diff] [blame]1794 return PTR_ERR(skb);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1795 }
1796
1797 /* It ensures that the returned event matches the event data read from
1798 * the firmware file. At fist, it checks the length and then
1799 * the contents of the event.
1800 */
1801 if (skb->len != evt->plen) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1802 bt_dev_err(hdev, "mismatch event length (opcode 0x%4.4x)",
1803 le16_to_cpu(cmd->opcode));
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1804 kfree_skb(skb);
1805 return -EFAULT;
1806 }
1807
1808 if (memcmp(skb->data, evt_param, evt->plen)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1809 bt_dev_err(hdev, "mismatch event parameter (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 kfree_skb(skb);
1815
1816 return 0;
1817}
1818
1819static int btusb_setup_intel(struct hci_dev *hdev)
1820{
1821 struct sk_buff *skb;
1822 const struct firmware *fw;
1823 const u8 *fw_ptr;
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1824 int disable_patch, err;
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1825 struct intel_version ver;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1826
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1827 BT_DBG("%s", hdev->name);
1828
1829 /* The controller has a bug with the first HCI command sent to it
1830 * returning number of completed commands as zero. This would stall the
1831 * command processing in the Bluetooth core.
1832 *
1833 * As a workaround, send HCI Reset command first which will reset the
1834 * number of completed commands and allow normal command processing
1835 * from now on.
1836 */
1837 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
1838 if (IS_ERR(skb)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]1839 bt_dev_err(hdev, "sending initial HCI reset command failed (%ld)",
1840 PTR_ERR(skb));
Adam Leed9c78e92013-07-10 10:02:12 +0800[diff] [blame]1841 return PTR_ERR(skb);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1842 }
1843 kfree_skb(skb);
1844
1845 /* Read Intel specific controller version first to allow selection of
1846 * which firmware file to load.
1847 *
1848 * The returned information are hardware variant and revision plus
1849 * firmware variant, revision and build number.
1850 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1851 err = btintel_read_version(hdev, &ver);
1852 if (err)
1853 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1854
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1855 bt_dev_info(hdev, "read Intel version: %02x%02x%02x%02x%02x%02x%02x%02x%02x",
1856 ver.hw_platform, ver.hw_variant, ver.hw_revision,
1857 ver.fw_variant, ver.fw_revision, ver.fw_build_num,
1858 ver.fw_build_ww, ver.fw_build_yy, ver.fw_patch_num);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1859
1860 /* fw_patch_num indicates the version of patch the device currently
1861 * have. If there is no patch data in the device, it is always 0x00.
Minjune Kim5075eda2015-08-27 13:21:52 +0900[diff] [blame]1862 * 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]1863 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1864 if (ver.fw_patch_num) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1865 bt_dev_info(hdev, "Intel device is already patched. "
1866 "patch num: %02x", ver.fw_patch_num);
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1867 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1868 }
1869
1870 /* Opens the firmware patch file based on the firmware version read
1871 * from the controller. If it fails to open the matching firmware
1872 * patch file, it tries to open the default firmware patch file.
1873 * If no patch file is found, allow the device to operate without
1874 * a patch.
1875 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]1876 fw = btusb_setup_intel_get_fw(hdev, &ver);
1877 if (!fw)
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1878 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1879 fw_ptr = fw->data;
1880
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1881 /* Enable the manufacturer mode of the controller.
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1882 * Only while this mode is enabled, the driver can download the
1883 * firmware patch data and configuration parameters.
1884 */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1885 err = btintel_enter_mfg(hdev);
1886 if (err) {
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1887 release_firmware(fw);
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1888 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1889 }
1890
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1891 disable_patch = 1;
1892
1893 /* The firmware data file consists of list of Intel specific HCI
1894 * commands and its expected events. The first byte indicates the
1895 * type of the message, either HCI command or HCI event.
1896 *
1897 * It reads the command and its expected event from the firmware file,
1898 * and send to the controller. Once __hci_cmd_sync_ev() returns,
1899 * the returned event is compared with the event read from the firmware
1900 * file and it will continue until all the messages are downloaded to
1901 * the controller.
1902 *
1903 * Once the firmware patching is completed successfully,
1904 * the manufacturer mode is disabled with reset and activating the
1905 * downloaded patch.
1906 *
1907 * If the firmware patching fails, the manufacturer mode is
1908 * disabled with reset and deactivating the patch.
1909 *
1910 * If the default patch file is used, no reset is done when disabling
1911 * the manufacturer.
1912 */
1913 while (fw->size > fw_ptr - fw->data) {
1914 int ret;
1915
1916 ret = btusb_setup_intel_patching(hdev, fw, &fw_ptr,
1917 &disable_patch);
1918 if (ret < 0)
1919 goto exit_mfg_deactivate;
1920 }
1921
1922 release_firmware(fw);
1923
1924 if (disable_patch)
1925 goto exit_mfg_disable;
1926
1927 /* Patching completed successfully and disable the manufacturer mode
1928 * with reset and activate the downloaded firmware patches.
1929 */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1930 err = btintel_exit_mfg(hdev, true, true);
1931 if (err)
1932 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1933
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1934 bt_dev_info(hdev, "Intel firmware patch completed and activated");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1935
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1936 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1937
1938exit_mfg_disable:
1939 /* Disable the manufacturer mode without reset */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1940 err = btintel_exit_mfg(hdev, false, false);
1941 if (err)
1942 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1943
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1944 bt_dev_info(hdev, "Intel firmware patch completed");
Marcel Holtmann40cb0982014-07-02 12:06:45 +0200[diff] [blame]1945
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1946 goto complete;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1947
1948exit_mfg_deactivate:
1949 release_firmware(fw);
1950
1951 /* Patching failed. Disable the manufacturer mode with reset and
1952 * deactivate the downloaded firmware patches.
1953 */
Loic Poulain28dc4b92015-12-03 16:10:22 +0100[diff] [blame]1954 err = btintel_exit_mfg(hdev, true, false);
1955 if (err)
1956 return err;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1957
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]1958 bt_dev_info(hdev, "Intel firmware patch completed and deactivated");
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1959
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]1960complete:
1961 /* Set the event mask for Intel specific vendor events. This enables
1962 * a few extra events that are useful during general operation.
1963 */
1964 btintel_set_event_mask_mfg(hdev, false);
1965
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]1966 btintel_check_bdaddr(hdev);
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]1967 return 0;
1968}
1969
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1970static int inject_cmd_complete(struct hci_dev *hdev, __u16 opcode)
1971{
1972 struct sk_buff *skb;
1973 struct hci_event_hdr *hdr;
1974 struct hci_ev_cmd_complete *evt;
1975
Jia-Ju Baicf07e342018-07-23 11:38:51 +0800[diff] [blame]1976 skb = bt_skb_alloc(sizeof(*hdr) + sizeof(*evt) + 1, GFP_KERNEL);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1977 if (!skb)
1978 return -ENOMEM;
1979
Johannes Berg4df864c2017-06-16 14:29:21 +0200[diff] [blame]1980 hdr = skb_put(skb, sizeof(*hdr));
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1981 hdr->evt = HCI_EV_CMD_COMPLETE;
1982 hdr->plen = sizeof(*evt) + 1;
1983
Johannes Berg4df864c2017-06-16 14:29:21 +0200[diff] [blame]1984 evt = skb_put(skb, sizeof(*evt));
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1985 evt->ncmd = 0x01;
1986 evt->opcode = cpu_to_le16(opcode);
1987
Johannes Berg634fef62017-06-16 14:29:24 +0200[diff] [blame]1988 skb_put_u8(skb, 0x00);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1989
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]1990 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]1991
1992 return hci_recv_frame(hdev, skb);
1993}
1994
1995static int btusb_recv_bulk_intel(struct btusb_data *data, void *buffer,
1996 int count)
1997{
1998 /* When the device is in bootloader mode, then it can send
1999 * events via the bulk endpoint. These events are treated the
2000 * same way as the ones received from the interrupt endpoint.
2001 */
2002 if (test_bit(BTUSB_BOOTLOADER, &data->flags))
2003 return btusb_recv_intr(data, buffer, count);
2004
2005 return btusb_recv_bulk(data, buffer, count);
2006}
2007
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2008static void btusb_intel_bootup(struct btusb_data *data, const void *ptr,
2009 unsigned int len)
2010{
2011 const struct intel_bootup *evt = ptr;
2012
2013 if (len != sizeof(*evt))
2014 return;
2015
Andrea Parridff6d592018-11-27 12:22:25 +0100[diff] [blame]2016 if (test_and_clear_bit(BTUSB_BOOTING, &data->flags))
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2017 wake_up_bit(&data->flags, BTUSB_BOOTING);
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2018}
2019
2020static void btusb_intel_secure_send_result(struct btusb_data *data,
2021 const void *ptr, unsigned int len)
2022{
2023 const struct intel_secure_send_result *evt = ptr;
2024
2025 if (len != sizeof(*evt))
2026 return;
2027
2028 if (evt->result)
2029 set_bit(BTUSB_FIRMWARE_FAILED, &data->flags);
2030
2031 if (test_and_clear_bit(BTUSB_DOWNLOADING, &data->flags) &&
Andrea Parridff6d592018-11-27 12:22:25 +0100[diff] [blame]2032 test_bit(BTUSB_FIRMWARE_LOADED, &data->flags))
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2033 wake_up_bit(&data->flags, BTUSB_DOWNLOADING);
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2034}
2035
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2036static int btusb_recv_event_intel(struct hci_dev *hdev, struct sk_buff *skb)
2037{
2038 struct btusb_data *data = hci_get_drvdata(hdev);
2039
2040 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
2041 struct hci_event_hdr *hdr = (void *)skb->data;
2042
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2043 if (skb->len > HCI_EVENT_HDR_SIZE && hdr->evt == 0xff &&
2044 hdr->plen > 0) {
2045 const void *ptr = skb->data + HCI_EVENT_HDR_SIZE + 1;
2046 unsigned int len = skb->len - HCI_EVENT_HDR_SIZE - 1;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2047
Marcel Holtmannccd6da22015-04-09 00:35:19 -0700[diff] [blame]2048 switch (skb->data[2]) {
2049 case 0x02:
2050 /* When switching to the operational firmware
2051 * the device sends a vendor specific event
2052 * indicating that the bootup completed.
2053 */
2054 btusb_intel_bootup(data, ptr, len);
2055 break;
2056 case 0x06:
2057 /* When the firmware loading completes the
2058 * device sends out a vendor specific event
2059 * indicating the result of the firmware
2060 * loading.
2061 */
2062 btusb_intel_secure_send_result(data, ptr, len);
2063 break;
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2064 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2065 }
2066 }
2067
2068 return hci_recv_frame(hdev, skb);
2069}
2070
2071static int btusb_send_frame_intel(struct hci_dev *hdev, struct sk_buff *skb)
2072{
2073 struct btusb_data *data = hci_get_drvdata(hdev);
2074 struct urb *urb;
2075
2076 BT_DBG("%s", hdev->name);
2077
Marcel Holtmann618e8bc2015-11-05 07:33:56 +0100[diff] [blame]2078 switch (hci_skb_pkt_type(skb)) {
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2079 case HCI_COMMAND_PKT:
2080 if (test_bit(BTUSB_BOOTLOADER, &data->flags)) {
2081 struct hci_command_hdr *cmd = (void *)skb->data;
2082 __u16 opcode = le16_to_cpu(cmd->opcode);
2083
2084 /* When in bootloader mode and the command 0xfc09
2085 * is received, it needs to be send down the
2086 * bulk endpoint. So allocate a bulk URB instead.
2087 */
2088 if (opcode == 0xfc09)
2089 urb = alloc_bulk_urb(hdev, skb);
2090 else
2091 urb = alloc_ctrl_urb(hdev, skb);
2092
2093 /* When the 0xfc01 command is issued to boot into
2094 * the operational firmware, it will actually not
2095 * send a command complete event. To keep the flow
2096 * control working inject that event here.
2097 */
2098 if (opcode == 0xfc01)
2099 inject_cmd_complete(hdev, opcode);
2100 } else {
2101 urb = alloc_ctrl_urb(hdev, skb);
2102 }
2103 if (IS_ERR(urb))
2104 return PTR_ERR(urb);
2105
2106 hdev->stat.cmd_tx++;
2107 return submit_or_queue_tx_urb(hdev, urb);
2108
2109 case HCI_ACLDATA_PKT:
2110 urb = alloc_bulk_urb(hdev, skb);
2111 if (IS_ERR(urb))
2112 return PTR_ERR(urb);
2113
2114 hdev->stat.acl_tx++;
2115 return submit_or_queue_tx_urb(hdev, urb);
2116
2117 case HCI_SCODATA_PKT:
2118 if (hci_conn_num(hdev, SCO_LINK) < 1)
2119 return -ENODEV;
2120
2121 urb = alloc_isoc_urb(hdev, skb);
2122 if (IS_ERR(urb))
2123 return PTR_ERR(urb);
2124
2125 hdev->stat.sco_tx++;
2126 return submit_tx_urb(hdev, urb);
2127 }
2128
2129 return -EILSEQ;
2130}
2131
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2132static bool btusb_setup_intel_new_get_fw_name(struct intel_version *ver,
2133 struct intel_boot_params *params,
2134 char *fw_name, size_t len,
2135 const char *suffix)
2136{
2137 switch (ver->hw_variant) {
2138 case 0x0b: /* SfP */
2139 case 0x0c: /* WsP */
2140 snprintf(fw_name, len, "intel/ibt-%u-%u.%s",
2141 le16_to_cpu(ver->hw_variant),
2142 le16_to_cpu(params->dev_revid),
2143 suffix);
2144 break;
2145 case 0x11: /* JfP */
2146 case 0x12: /* ThP */
2147 case 0x13: /* HrP */
2148 case 0x14: /* CcP */
2149 snprintf(fw_name, len, "intel/ibt-%u-%u-%u.%s",
2150 le16_to_cpu(ver->hw_variant),
2151 le16_to_cpu(ver->hw_revision),
2152 le16_to_cpu(ver->fw_revision),
2153 suffix);
2154 break;
2155 default:
2156 return false;
2157 }
2158 return true;
2159}
2160
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2161static int btusb_setup_intel_new(struct hci_dev *hdev)
2162{
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2163 struct btusb_data *data = hci_get_drvdata(hdev);
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2164 struct intel_version ver;
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2165 struct intel_boot_params params;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2166 const struct firmware *fw;
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2167 u32 boot_param;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2168 char fwname[64];
2169 ktime_t calltime, delta, rettime;
2170 unsigned long long duration;
2171 int err;
2172
2173 BT_DBG("%s", hdev->name);
2174
Tedd Ho-Jeong An04d729b2018-01-24 09:19:19 -0800[diff] [blame]2175 /* Set the default boot parameter to 0x0 and it is updated to
2176 * SKU specific boot parameter after reading Intel_Write_Boot_Params
2177 * command while downloading the firmware.
2178 */
2179 boot_param = 0x00000000;
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2180
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2181 calltime = ktime_get();
2182
2183 /* Read the Intel version information to determine if the device
2184 * is in bootloader mode or if it already has operational firmware
2185 * loaded.
2186 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2187 err = btintel_read_version(hdev, &ver);
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2188 if (err) {
2189 bt_dev_err(hdev, "Intel Read version failed (%d)", err);
2190 btintel_reset_to_bootloader(hdev);
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2191 return err;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2192 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2193
2194 /* The hardware platform number has a fixed value of 0x37 and
2195 * for now only accept this single value.
2196 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2197 if (ver.hw_platform != 0x37) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2198 bt_dev_err(hdev, "Unsupported Intel hardware platform (%u)",
2199 ver.hw_platform);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2200 return -EINVAL;
2201 }
2202
Tedd Ho-Jeong An92688342017-03-06 15:38:26 -0800[diff] [blame]2203 /* Check for supported iBT hardware variants of this firmware
2204 * loading method.
Tedd Ho-Jeong Ana0af53b2016-05-06 11:53:46 -0700[diff] [blame]2205 *
2206 * This check has been put in place to ensure correct forward
2207 * compatibility options when newer hardware variants come along.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2208 */
Tedd Ho-Jeong An92688342017-03-06 15:38:26 -0800[diff] [blame]2209 switch (ver.hw_variant) {
2210 case 0x0b: /* SfP */
2211 case 0x0c: /* WsP */
Tedd Ho-Jeong An86a61292017-05-01 13:35:12 -0700[diff] [blame]2212 case 0x11: /* JfP */
Marcel Holtmannde766142017-03-06 15:38:28 -0800[diff] [blame]2213 case 0x12: /* ThP */
Tedd Ho-Jeong An1ce0cec2018-02-05 14:20:36 -0800[diff] [blame]2214 case 0x13: /* HrP */
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2215 case 0x14: /* CcP */
Tedd Ho-Jeong An92688342017-03-06 15:38:26 -0800[diff] [blame]2216 break;
2217 default:
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2218 bt_dev_err(hdev, "Unsupported Intel hardware variant (%u)",
2219 ver.hw_variant);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2220 return -EINVAL;
2221 }
2222
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2223 btintel_version_info(hdev, &ver);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2224
2225 /* The firmware variant determines if the device is in bootloader
2226 * mode or is running operational firmware. The value 0x06 identifies
2227 * the bootloader and the value 0x23 identifies the operational
2228 * firmware.
2229 *
2230 * When the operational firmware is already present, then only
2231 * the check for valid Bluetooth device address is needed. This
2232 * determines if the device will be added as configured or
2233 * unconfigured controller.
2234 *
2235 * It is not possible to use the Secure Boot Parameters in this
2236 * case since that command is only available in bootloader mode.
2237 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2238 if (ver.fw_variant == 0x23) {
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2239 clear_bit(BTUSB_BOOTLOADER, &data->flags);
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]2240 btintel_check_bdaddr(hdev);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2241 return 0;
2242 }
2243
2244 /* If the device is not in bootloader mode, then the only possible
2245 * choice is to return an error and abort the device initialization.
2246 */
Loic Poulain6c483de2015-12-06 16:18:34 +0100[diff] [blame]2247 if (ver.fw_variant != 0x06) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2248 bt_dev_err(hdev, "Unsupported Intel firmware variant (%u)",
2249 ver.fw_variant);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2250 return -ENODEV;
2251 }
2252
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2253 /* Read the secure boot parameters to identify the operating
2254 * details of the bootloader.
2255 */
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2256 err = btintel_read_boot_params(hdev, &params);
2257 if (err)
2258 return err;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2259
2260 /* It is required that every single firmware fragment is acknowledged
2261 * with a command complete event. If the boot parameters indicate
2262 * that this bootloader does not send them, then abort the setup.
2263 */
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2264 if (params.limited_cce != 0x00) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2265 bt_dev_err(hdev, "Unsupported Intel firmware loading method (%u)",
2266 params.limited_cce);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2267 return -EINVAL;
2268 }
2269
2270 /* If the OTP has no valid Bluetooth device address, then there will
2271 * also be no valid address for the operational firmware.
2272 */
Tedd Ho-Jeong Anfaf174d2018-01-24 09:19:20 -0800[diff] [blame]2273 if (!bacmp(&params.otp_bdaddr, BDADDR_ANY)) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2274 bt_dev_info(hdev, "No device address configured");
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2275 set_bit(HCI_QUIRK_INVALID_BDADDR, &hdev->quirks);
2276 }
2277
2278 /* With this Intel bootloader only the hardware variant and device
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2279 * revision information are used to select the right firmware for SfP
2280 * and WsP.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2281 *
Tedd Ho-Jeong An230b04a2016-06-28 08:56:39 -0700[diff] [blame]2282 * The firmware filename is ibt-<hw_variant>-<dev_revid>.sfi.
2283 *
2284 * Currently the supported hardware variants are:
2285 * 11 (0x0b) for iBT3.0 (LnP/SfP)
2286 * 12 (0x0c) for iBT3.5 (WsP)
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2287 *
2288 * For ThP/JfP and for future SKU's, the FW name varies based on HW
2289 * variant, HW revision and FW revision, as these are dependent on CNVi
2290 * and RF Combination.
2291 *
Tedd Ho-Jeong An86a61292017-05-01 13:35:12 -0700[diff] [blame]2292 * 17 (0x11) for iBT3.5 (JfP)
2293 * 18 (0x12) for iBT3.5 (ThP)
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2294 *
2295 * The firmware file name for these will be
2296 * ibt-<hw_variant>-<hw_revision>-<fw_revision>.sfi.
2297 *
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2298 */
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2299 err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
2300 sizeof(fwname), "sfi");
2301 if (!err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2302 bt_dev_err(hdev, "Unsupported Intel firmware naming");
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2303 return -EINVAL;
2304 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2305
2306 err = request_firmware(&fw, fwname, &hdev->dev);
2307 if (err < 0) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2308 bt_dev_err(hdev, "Failed to load Intel firmware file (%d)", err);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2309 return err;
2310 }
2311
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2312 bt_dev_info(hdev, "Found device firmware: %s", fwname);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2313
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2314 /* Save the DDC file name for later use to apply once the firmware
2315 * downloading is done.
2316 */
Raghuram Hegde2da711bc2018-12-19 11:42:18 +0530[diff] [blame]2317 err = btusb_setup_intel_new_get_fw_name(&ver, &params, fwname,
2318 sizeof(fwname), "ddc");
2319 if (!err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2320 bt_dev_err(hdev, "Unsupported Intel firmware naming");
Jaya P Gaf3715e2017-10-30 11:01:22 +0100[diff] [blame]2321 return -EINVAL;
2322 }
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2323
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2324 if (fw->size < 644) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2325 bt_dev_err(hdev, "Invalid size of firmware file (%zu)",
2326 fw->size);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2327 err = -EBADF;
2328 goto done;
2329 }
2330
2331 set_bit(BTUSB_DOWNLOADING, &data->flags);
2332
Tedd Ho-Jeong Anfbbe83c2018-01-24 09:19:21 -0800[diff] [blame]2333 /* Start firmware downloading and get boot parameter */
2334 err = btintel_download_firmware(hdev, fw, &boot_param);
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2335 if (err < 0) {
2336 /* When FW download fails, send Intel Reset to retry
2337 * FW download.
2338 */
2339 btintel_reset_to_bootloader(hdev);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2340 goto done;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2341 }
Marcel Holtmannce6bb922015-01-28 01:58:40 -0800[diff] [blame]2342 set_bit(BTUSB_FIRMWARE_LOADED, &data->flags);
2343
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2344 bt_dev_info(hdev, "Waiting for firmware download to complete");
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2345
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2346 /* Before switching the device into operational mode and with that
2347 * booting the loaded firmware, wait for the bootloader notification
2348 * that all fragments have been successfully received.
2349 *
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2350 * When the event processing receives the notification, then the
2351 * BTUSB_DOWNLOADING flag will be cleared.
2352 *
2353 * The firmware loading should not take longer than 5 seconds
2354 * and thus just timeout if that happens and fail the setup
2355 * of this device.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2356 */
Johan Hedberg129a7692015-02-14 09:33:35 +0200[diff] [blame]2357 err = wait_on_bit_timeout(&data->flags, BTUSB_DOWNLOADING,
2358 TASK_INTERRUPTIBLE,
2359 msecs_to_jiffies(5000));
Bart Van Asschef0a70a02016-08-11 16:02:44 -0700[diff] [blame]2360 if (err == -EINTR) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2361 bt_dev_err(hdev, "Firmware loading interrupted");
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2362 goto done;
2363 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2364
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2365 if (err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2366 bt_dev_err(hdev, "Firmware loading timeout");
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2367 err = -ETIMEDOUT;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2368 btintel_reset_to_bootloader(hdev);
Johan Hedberga087a982015-01-30 10:58:54 +0200[diff] [blame]2369 goto done;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2370 }
2371
2372 if (test_bit(BTUSB_FIRMWARE_FAILED, &data->flags)) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2373 bt_dev_err(hdev, "Firmware loading failed");
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2374 err = -ENOEXEC;
2375 goto done;
2376 }
2377
2378 rettime = ktime_get();
2379 delta = ktime_sub(rettime, calltime);
2380 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2381
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2382 bt_dev_info(hdev, "Firmware loaded in %llu usecs", duration);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2383
2384done:
2385 release_firmware(fw);
2386
2387 if (err < 0)
2388 return err;
2389
2390 calltime = ktime_get();
2391
2392 set_bit(BTUSB_BOOTING, &data->flags);
2393
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2394 err = btintel_send_intel_reset(hdev, boot_param);
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2395 if (err) {
2396 bt_dev_err(hdev, "Intel Soft Reset failed (%d)", err);
2397 btintel_reset_to_bootloader(hdev);
Tedd Ho-Jeong Ane5889af2018-01-24 09:19:18 -0800[diff] [blame]2398 return err;
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2399 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2400
2401 /* The bootloader will not indicate when the device is ready. This
2402 * is done by the operational firmware sending bootup notification.
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2403 *
2404 * Booting into operational firmware should not take longer than
2405 * 1 second. However if that happens, then just fail the setup
2406 * since something went wrong.
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2407 */
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2408 bt_dev_info(hdev, "Waiting for device to boot");
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2409
Johan Hedberg129a7692015-02-14 09:33:35 +0200[diff] [blame]2410 err = wait_on_bit_timeout(&data->flags, BTUSB_BOOTING,
2411 TASK_INTERRUPTIBLE,
2412 msecs_to_jiffies(1000));
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2413
Bart Van Asschef0a70a02016-08-11 16:02:44 -0700[diff] [blame]2414 if (err == -EINTR) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2415 bt_dev_err(hdev, "Device boot interrupted");
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2416 return -EINTR;
2417 }
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2418
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2419 if (err) {
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2420 bt_dev_err(hdev, "Device boot timeout");
Amit K Bagb9a25622019-10-17 13:52:29 +0530[diff] [blame]2421 btintel_reset_to_bootloader(hdev);
Johan Hedbergfad70972015-01-30 10:58:55 +0200[diff] [blame]2422 return -ETIMEDOUT;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2423 }
2424
2425 rettime = ktime_get();
2426 delta = ktime_sub(rettime, calltime);
2427 duration = (unsigned long long) ktime_to_ns(delta) >> 10;
2428
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]2429 bt_dev_info(hdev, "Device booted in %llu usecs", duration);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2430
2431 clear_bit(BTUSB_BOOTLOADER, &data->flags);
2432
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2433 /* Once the device is running in operational mode, it needs to apply
2434 * the device configuration (DDC) parameters.
2435 *
2436 * The device can work without DDC parameters, so even if it fails
2437 * to load the file, no need to fail the setup.
2438 */
Loic Poulaine924d3d2015-09-04 17:54:36 +0200[diff] [blame]2439 btintel_load_ddc_config(hdev, fwname);
Tedd Ho-Jeong An52cc9162015-06-12 16:20:05 -0700[diff] [blame]2440
Marcel Holtmann213445b2015-10-21 02:45:19 +0200[diff] [blame]2441 /* Set the event mask for Intel specific vendor events. This enables
2442 * a few extra events that are useful during general operation. It
2443 * does not enable any debugging related events.
2444 *
2445 * The device will function correctly without these events enabled
2446 * and thus no need to fail the setup.
2447 */
2448 btintel_set_event_mask(hdev, false);
2449
Amit K Bag74ffdf22019-09-27 08:21:54 +0530[diff] [blame]2450 /* Read the Intel version information after loading the FW */
2451 err = btintel_read_version(hdev, &ver);
2452 if (err)
2453 return err;
2454
2455 btintel_version_info(hdev, &ver);
2456
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]2457 return 0;
2458}
2459
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]2460static int btusb_shutdown_intel(struct hci_dev *hdev)
2461{
2462 struct sk_buff *skb;
2463 long ret;
2464
Amit K Bag1313bcc2018-08-03 12:43:20 +0530[diff] [blame]2465 /* In the shutdown sequence where Bluetooth is turned off followed
2466 * by WiFi being turned off, turning WiFi back on causes issue with
2467 * the RF calibration.
2468 *
2469 * To ensure that any RF activity has been stopped, issue HCI Reset
2470 * command to clear all ongoing activity including advertising,
2471 * scanning etc.
2472 */
2473 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
2474 if (IS_ERR(skb)) {
2475 ret = PTR_ERR(skb);
2476 bt_dev_err(hdev, "HCI reset during shutdown failed");
2477 return ret;
2478 }
2479 kfree_skb(skb);
2480
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]2481 /* Some platforms have an issue with BT LED when the interface is
2482 * down or BT radio is turned off, which takes 5 seconds to BT LED
2483 * goes off. This command turns off the BT LED immediately.
2484 */
2485 skb = __hci_cmd_sync(hdev, 0xfc3f, 0, NULL, HCI_INIT_TIMEOUT);
2486 if (IS_ERR(skb)) {
2487 ret = PTR_ERR(skb);
Marcel Holtmann85418fe2018-08-03 11:20:49 +0200[diff] [blame]2488 bt_dev_err(hdev, "turning off Intel device LED failed");
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]2489 return ret;
2490 }
2491 kfree_skb(skb);
2492
2493 return 0;
2494}
2495
Raghuram Hegde017a01c2019-01-29 17:54:48 +0530[diff] [blame]2496static int btusb_shutdown_intel_new(struct hci_dev *hdev)
2497{
2498 struct sk_buff *skb;
2499
2500 /* Send HCI Reset to the controller to stop any BT activity which
2501 * were triggered. This will help to save power and maintain the
2502 * sync b/w Host and controller
2503 */
2504 skb = __hci_cmd_sync(hdev, HCI_OP_RESET, 0, NULL, HCI_INIT_TIMEOUT);
2505 if (IS_ERR(skb)) {
2506 bt_dev_err(hdev, "HCI reset during shutdown failed");
2507 return PTR_ERR(skb);
2508 }
2509 kfree_skb(skb);
2510
2511 return 0;
2512}
2513
Sean Wang9ce67c32019-06-02 08:02:49 +0800[diff] [blame]2514#define FIRMWARE_MT7663 "mediatek/mt7663pr2h.bin"
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2515#define FIRMWARE_MT7668 "mediatek/mt7668pr2h.bin"
2516
2517#define HCI_WMT_MAX_EVENT_SIZE 64
2518
2519enum {
2520 BTMTK_WMT_PATCH_DWNLD = 0x1,
2521 BTMTK_WMT_FUNC_CTRL = 0x6,
2522 BTMTK_WMT_RST = 0x7,
2523 BTMTK_WMT_SEMAPHORE = 0x17,
2524};
2525
2526enum {
2527 BTMTK_WMT_INVALID,
2528 BTMTK_WMT_PATCH_UNDONE,
2529 BTMTK_WMT_PATCH_DONE,
2530 BTMTK_WMT_ON_UNDONE,
2531 BTMTK_WMT_ON_DONE,
2532 BTMTK_WMT_ON_PROGRESS,
2533};
2534
2535struct btmtk_wmt_hdr {
2536 u8 dir;
2537 u8 op;
2538 __le16 dlen;
2539 u8 flag;
2540} __packed;
2541
2542struct btmtk_hci_wmt_cmd {
2543 struct btmtk_wmt_hdr hdr;
2544 u8 data[256];
2545} __packed;
2546
2547struct btmtk_hci_wmt_evt {
2548 struct hci_event_hdr hhdr;
2549 struct btmtk_wmt_hdr whdr;
2550} __packed;
2551
2552struct btmtk_hci_wmt_evt_funcc {
2553 struct btmtk_hci_wmt_evt hwhdr;
2554 __be16 status;
2555} __packed;
2556
2557struct btmtk_tci_sleep {
2558 u8 mode;
2559 __le16 duration;
2560 __le16 host_duration;
2561 u8 host_wakeup_pin;
2562 u8 time_compensation;
2563} __packed;
2564
2565struct btmtk_hci_wmt_params {
2566 u8 op;
2567 u8 flag;
2568 u16 dlen;
2569 const void *data;
2570 u32 *status;
2571};
2572
2573static void btusb_mtk_wmt_recv(struct urb *urb)
2574{
2575 struct hci_dev *hdev = urb->context;
2576 struct btusb_data *data = hci_get_drvdata(hdev);
2577 struct hci_event_hdr *hdr;
2578 struct sk_buff *skb;
2579 int err;
2580
2581 if (urb->status == 0 && urb->actual_length > 0) {
2582 hdev->stat.byte_rx += urb->actual_length;
2583
2584 /* WMT event shouldn't be fragmented and the size should be
2585 * less than HCI_WMT_MAX_EVENT_SIZE.
2586 */
2587 skb = bt_skb_alloc(HCI_WMT_MAX_EVENT_SIZE, GFP_ATOMIC);
2588 if (!skb) {
2589 hdev->stat.err_rx++;
2590 goto err_out;
2591 }
2592
2593 hci_skb_pkt_type(skb) = HCI_EVENT_PKT;
2594 skb_put_data(skb, urb->transfer_buffer, urb->actual_length);
2595
2596 hdr = (void *)skb->data;
2597 /* Fix up the vendor event id with 0xff for vendor specific
2598 * instead of 0xe4 so that event send via monitoring socket can
2599 * be parsed properly.
2600 */
2601 hdr->evt = 0xff;
2602
2603 /* When someone waits for the WMT event, the skb is being cloned
2604 * and being processed the events from there then.
2605 */
2606 if (test_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags)) {
Johan Hovold22cc6b72019-11-28 19:24:27 +0100[diff] [blame]2607 data->evt_skb = skb_clone(skb, GFP_ATOMIC);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2608 if (!data->evt_skb)
2609 goto err_out;
2610 }
2611
2612 err = hci_recv_frame(hdev, skb);
2613 if (err < 0)
2614 goto err_free_skb;
2615
2616 if (test_and_clear_bit(BTUSB_TX_WAIT_VND_EVT,
2617 &data->flags)) {
2618 /* Barrier to sync with other CPUs */
2619 smp_mb__after_atomic();
2620 wake_up_bit(&data->flags,
2621 BTUSB_TX_WAIT_VND_EVT);
2622 }
2623err_out:
2624 return;
2625err_free_skb:
2626 kfree_skb(data->evt_skb);
2627 data->evt_skb = NULL;
2628 return;
2629 } else if (urb->status == -ENOENT) {
2630 /* Avoid suspend failed when usb_kill_urb */
2631 return;
2632 }
2633
2634 usb_mark_last_busy(data->udev);
2635
2636 /* The URB complete handler is still called with urb->actual_length = 0
2637 * when the event is not available, so we should keep re-submitting
2638 * URB until WMT event returns, Also, It's necessary to wait some time
2639 * between the two consecutive control URBs to relax the target device
2640 * to generate the event. Otherwise, the WMT event cannot return from
2641 * the device successfully.
2642 */
2643 udelay(100);
2644
2645 usb_anchor_urb(urb, &data->ctrl_anchor);
2646 err = usb_submit_urb(urb, GFP_ATOMIC);
2647 if (err < 0) {
2648 /* -EPERM: urb is being killed;
2649 * -ENODEV: device got disconnected
2650 */
2651 if (err != -EPERM && err != -ENODEV)
2652 bt_dev_err(hdev, "urb %p failed to resubmit (%d)",
2653 urb, -err);
2654 usb_unanchor_urb(urb);
2655 }
2656}
2657
2658static int btusb_mtk_submit_wmt_recv_urb(struct hci_dev *hdev)
2659{
2660 struct btusb_data *data = hci_get_drvdata(hdev);
2661 struct usb_ctrlrequest *dr;
2662 unsigned char *buf;
2663 int err, size = 64;
2664 unsigned int pipe;
2665 struct urb *urb;
2666
2667 urb = usb_alloc_urb(0, GFP_KERNEL);
2668 if (!urb)
2669 return -ENOMEM;
2670
2671 dr = kmalloc(sizeof(*dr), GFP_KERNEL);
2672 if (!dr) {
2673 usb_free_urb(urb);
2674 return -ENOMEM;
2675 }
2676
2677 dr->bRequestType = USB_TYPE_VENDOR | USB_DIR_IN;
2678 dr->bRequest = 1;
2679 dr->wIndex = cpu_to_le16(0);
2680 dr->wValue = cpu_to_le16(48);
2681 dr->wLength = cpu_to_le16(size);
2682
2683 buf = kmalloc(size, GFP_KERNEL);
2684 if (!buf) {
2685 kfree(dr);
2686 return -ENOMEM;
2687 }
2688
2689 pipe = usb_rcvctrlpipe(data->udev, 0);
2690
2691 usb_fill_control_urb(urb, data->udev, pipe, (void *)dr,
2692 buf, size, btusb_mtk_wmt_recv, hdev);
2693
2694 urb->transfer_flags |= URB_FREE_BUFFER;
2695
2696 usb_anchor_urb(urb, &data->ctrl_anchor);
2697 err = usb_submit_urb(urb, GFP_KERNEL);
2698 if (err < 0) {
2699 if (err != -EPERM && err != -ENODEV)
2700 bt_dev_err(hdev, "urb %p submission failed (%d)",
2701 urb, -err);
2702 usb_unanchor_urb(urb);
2703 }
2704
2705 usb_free_urb(urb);
2706
2707 return err;
2708}
2709
2710static int btusb_mtk_hci_wmt_sync(struct hci_dev *hdev,
2711 struct btmtk_hci_wmt_params *wmt_params)
2712{
2713 struct btusb_data *data = hci_get_drvdata(hdev);
2714 struct btmtk_hci_wmt_evt_funcc *wmt_evt_funcc;
2715 u32 hlen, status = BTMTK_WMT_INVALID;
2716 struct btmtk_hci_wmt_evt *wmt_evt;
2717 struct btmtk_hci_wmt_cmd wc;
2718 struct btmtk_wmt_hdr *hdr;
2719 int err;
2720
2721 /* Submit control IN URB on demand to process the WMT event */
2722 err = btusb_mtk_submit_wmt_recv_urb(hdev);
2723 if (err < 0)
2724 return err;
2725
2726 /* Send the WMT command and wait until the WMT event returns */
2727 hlen = sizeof(*hdr) + wmt_params->dlen;
2728 if (hlen > 255)
2729 return -EINVAL;
2730
2731 hdr = (struct btmtk_wmt_hdr *)&wc;
2732 hdr->dir = 1;
2733 hdr->op = wmt_params->op;
2734 hdr->dlen = cpu_to_le16(wmt_params->dlen + 1);
2735 hdr->flag = wmt_params->flag;
2736 memcpy(wc.data, wmt_params->data, wmt_params->dlen);
2737
2738 set_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2739
2740 err = __hci_cmd_send(hdev, 0xfc6f, hlen, &wc);
2741
2742 if (err < 0) {
2743 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2744 return err;
2745 }
2746
2747 /* The vendor specific WMT commands are all answered by a vendor
2748 * specific event and will have the Command Status or Command
2749 * Complete as with usual HCI command flow control.
2750 *
2751 * After sending the command, wait for BTUSB_TX_WAIT_VND_EVT
2752 * state to be cleared. The driver specific event receive routine
2753 * will clear that state and with that indicate completion of the
2754 * WMT command.
2755 */
2756 err = wait_on_bit_timeout(&data->flags, BTUSB_TX_WAIT_VND_EVT,
2757 TASK_INTERRUPTIBLE, HCI_INIT_TIMEOUT);
2758 if (err == -EINTR) {
2759 bt_dev_err(hdev, "Execution of wmt command interrupted");
2760 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2761 return err;
2762 }
2763
2764 if (err) {
2765 bt_dev_err(hdev, "Execution of wmt command timed out");
2766 clear_bit(BTUSB_TX_WAIT_VND_EVT, &data->flags);
2767 return -ETIMEDOUT;
2768 }
2769
2770 /* Parse and handle the return WMT event */
2771 wmt_evt = (struct btmtk_hci_wmt_evt *)data->evt_skb->data;
2772 if (wmt_evt->whdr.op != hdr->op) {
2773 bt_dev_err(hdev, "Wrong op received %d expected %d",
2774 wmt_evt->whdr.op, hdr->op);
2775 err = -EIO;
2776 goto err_free_skb;
2777 }
2778
2779 switch (wmt_evt->whdr.op) {
2780 case BTMTK_WMT_SEMAPHORE:
2781 if (wmt_evt->whdr.flag == 2)
2782 status = BTMTK_WMT_PATCH_UNDONE;
2783 else
2784 status = BTMTK_WMT_PATCH_DONE;
2785 break;
2786 case BTMTK_WMT_FUNC_CTRL:
2787 wmt_evt_funcc = (struct btmtk_hci_wmt_evt_funcc *)wmt_evt;
2788 if (be16_to_cpu(wmt_evt_funcc->status) == 0x404)
2789 status = BTMTK_WMT_ON_DONE;
2790 else if (be16_to_cpu(wmt_evt_funcc->status) == 0x420)
2791 status = BTMTK_WMT_ON_PROGRESS;
2792 else
2793 status = BTMTK_WMT_ON_UNDONE;
2794 break;
2795 }
2796
2797 if (wmt_params->status)
2798 *wmt_params->status = status;
2799
2800err_free_skb:
2801 kfree_skb(data->evt_skb);
2802 data->evt_skb = NULL;
2803
2804 return err;
2805}
2806
2807static int btusb_mtk_setup_firmware(struct hci_dev *hdev, const char *fwname)
2808{
2809 struct btmtk_hci_wmt_params wmt_params;
2810 const struct firmware *fw;
2811 const u8 *fw_ptr;
2812 size_t fw_size;
2813 int err, dlen;
2814 u8 flag;
2815
2816 err = request_firmware(&fw, fwname, &hdev->dev);
2817 if (err < 0) {
2818 bt_dev_err(hdev, "Failed to load firmware file (%d)", err);
2819 return err;
2820 }
2821
2822 fw_ptr = fw->data;
2823 fw_size = fw->size;
2824
2825 /* The size of patch header is 30 bytes, should be skip */
Wei Yongjun5ee63102019-07-10 06:12:22 +0000[diff] [blame]2826 if (fw_size < 30) {
2827 err = -EINVAL;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2828 goto err_release_fw;
Wei Yongjun5ee63102019-07-10 06:12:22 +0000[diff] [blame]2829 }
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2830
2831 fw_size -= 30;
2832 fw_ptr += 30;
2833 flag = 1;
2834
2835 wmt_params.op = BTMTK_WMT_PATCH_DWNLD;
2836 wmt_params.status = NULL;
2837
2838 while (fw_size > 0) {
2839 dlen = min_t(int, 250, fw_size);
2840
2841 /* Tell deivice the position in sequence */
2842 if (fw_size - dlen <= 0)
2843 flag = 3;
2844 else if (fw_size < fw->size - 30)
2845 flag = 2;
2846
2847 wmt_params.flag = flag;
2848 wmt_params.dlen = dlen;
2849 wmt_params.data = fw_ptr;
2850
2851 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2852 if (err < 0) {
2853 bt_dev_err(hdev, "Failed to send wmt patch dwnld (%d)",
2854 err);
2855 goto err_release_fw;
2856 }
2857
2858 fw_size -= dlen;
2859 fw_ptr += dlen;
2860 }
2861
2862 wmt_params.op = BTMTK_WMT_RST;
2863 wmt_params.flag = 4;
2864 wmt_params.dlen = 0;
2865 wmt_params.data = NULL;
2866 wmt_params.status = NULL;
2867
2868 /* Activate funciton the firmware providing to */
2869 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2870 if (err < 0) {
2871 bt_dev_err(hdev, "Failed to send wmt rst (%d)", err);
Colin Ian King3168c192019-11-29 17:36:35 +0000[diff] [blame]2872 goto err_release_fw;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2873 }
2874
2875 /* Wait a few moments for firmware activation done */
2876 usleep_range(10000, 12000);
2877
2878err_release_fw:
2879 release_firmware(fw);
2880
2881 return err;
2882}
2883
2884static int btusb_mtk_func_query(struct hci_dev *hdev)
2885{
2886 struct btmtk_hci_wmt_params wmt_params;
2887 int status, err;
2888 u8 param = 0;
2889
2890 /* Query whether the function is enabled */
2891 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
2892 wmt_params.flag = 4;
2893 wmt_params.dlen = sizeof(param);
2894 wmt_params.data = &param;
2895 wmt_params.status = &status;
2896
2897 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2898 if (err < 0) {
2899 bt_dev_err(hdev, "Failed to query function status (%d)", err);
2900 return err;
2901 }
2902
2903 return status;
2904}
2905
2906static int btusb_mtk_reg_read(struct btusb_data *data, u32 reg, u32 *val)
2907{
2908 int pipe, err, size = sizeof(u32);
2909 void *buf;
2910
2911 buf = kzalloc(size, GFP_KERNEL);
2912 if (!buf)
2913 return -ENOMEM;
2914
2915 pipe = usb_rcvctrlpipe(data->udev, 0);
2916 err = usb_control_msg(data->udev, pipe, 0x63,
2917 USB_TYPE_VENDOR | USB_DIR_IN,
2918 reg >> 16, reg & 0xffff,
2919 buf, size, USB_CTRL_SET_TIMEOUT);
2920 if (err < 0)
2921 goto err_free_buf;
2922
2923 *val = get_unaligned_le32(buf);
2924
2925err_free_buf:
2926 kfree(buf);
2927
2928 return err;
2929}
2930
2931static int btusb_mtk_id_get(struct btusb_data *data, u32 *id)
2932{
2933 return btusb_mtk_reg_read(data, 0x80000008, id);
2934}
2935
2936static int btusb_mtk_setup(struct hci_dev *hdev)
2937{
2938 struct btusb_data *data = hci_get_drvdata(hdev);
2939 struct btmtk_hci_wmt_params wmt_params;
2940 ktime_t calltime, delta, rettime;
2941 struct btmtk_tci_sleep tci_sleep;
2942 unsigned long long duration;
2943 struct sk_buff *skb;
2944 const char *fwname;
2945 int err, status;
2946 u32 dev_id;
2947 u8 param;
2948
2949 calltime = ktime_get();
2950
2951 err = btusb_mtk_id_get(data, &dev_id);
2952 if (err < 0) {
2953 bt_dev_err(hdev, "Failed to get device id (%d)", err);
2954 return err;
2955 }
2956
2957 switch (dev_id) {
Sean Wang9ce67c32019-06-02 08:02:49 +0800[diff] [blame]2958 case 0x7663:
2959 fwname = FIRMWARE_MT7663;
2960 break;
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]2961 case 0x7668:
2962 fwname = FIRMWARE_MT7668;
2963 break;
2964 default:
2965 bt_dev_err(hdev, "Unsupported support hardware variant (%08x)",
2966 dev_id);
2967 return -ENODEV;
2968 }
2969
2970 /* Query whether the firmware is already download */
2971 wmt_params.op = BTMTK_WMT_SEMAPHORE;
2972 wmt_params.flag = 1;
2973 wmt_params.dlen = 0;
2974 wmt_params.data = NULL;
2975 wmt_params.status = &status;
2976
2977 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
2978 if (err < 0) {
2979 bt_dev_err(hdev, "Failed to query firmware status (%d)", err);
2980 return err;
2981 }
2982
2983 if (status == BTMTK_WMT_PATCH_DONE) {
2984 bt_dev_info(hdev, "firmware already downloaded");
2985 goto ignore_setup_fw;
2986 }
2987
2988 /* Setup a firmware which the device definitely requires */
2989 err = btusb_mtk_setup_firmware(hdev, fwname);
2990 if (err < 0)
2991 return err;
2992
2993ignore_setup_fw:
2994 err = readx_poll_timeout(btusb_mtk_func_query, hdev, status,
2995 status < 0 || status != BTMTK_WMT_ON_PROGRESS,
2996 2000, 5000000);
2997 /* -ETIMEDOUT happens */
2998 if (err < 0)
2999 return err;
3000
3001 /* The other errors happen in btusb_mtk_func_query */
3002 if (status < 0)
3003 return status;
3004
3005 if (status == BTMTK_WMT_ON_DONE) {
3006 bt_dev_info(hdev, "function already on");
3007 goto ignore_func_on;
3008 }
3009
3010 /* Enable Bluetooth protocol */
3011 param = 1;
3012 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3013 wmt_params.flag = 0;
3014 wmt_params.dlen = sizeof(param);
3015 wmt_params.data = &param;
3016 wmt_params.status = NULL;
3017
3018 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3019 if (err < 0) {
3020 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3021 return err;
3022 }
3023
3024ignore_func_on:
3025 /* Apply the low power environment setup */
3026 tci_sleep.mode = 0x5;
3027 tci_sleep.duration = cpu_to_le16(0x640);
3028 tci_sleep.host_duration = cpu_to_le16(0x640);
3029 tci_sleep.host_wakeup_pin = 0;
3030 tci_sleep.time_compensation = 0;
3031
3032 skb = __hci_cmd_sync(hdev, 0xfc7a, sizeof(tci_sleep), &tci_sleep,
3033 HCI_INIT_TIMEOUT);
3034 if (IS_ERR(skb)) {
3035 err = PTR_ERR(skb);
3036 bt_dev_err(hdev, "Failed to apply low power setting (%d)", err);
3037 return err;
3038 }
3039 kfree_skb(skb);
3040
3041 rettime = ktime_get();
3042 delta = ktime_sub(rettime, calltime);
3043 duration = (unsigned long long)ktime_to_ns(delta) >> 10;
3044
3045 bt_dev_info(hdev, "Device setup in %llu usecs", duration);
3046
3047 return 0;
3048}
3049
3050static int btusb_mtk_shutdown(struct hci_dev *hdev)
3051{
3052 struct btmtk_hci_wmt_params wmt_params;
3053 u8 param = 0;
3054 int err;
3055
3056 /* Disable the device */
3057 wmt_params.op = BTMTK_WMT_FUNC_CTRL;
3058 wmt_params.flag = 0;
3059 wmt_params.dlen = sizeof(param);
3060 wmt_params.data = &param;
3061 wmt_params.status = NULL;
3062
3063 err = btusb_mtk_hci_wmt_sync(hdev, &wmt_params);
3064 if (err < 0) {
3065 bt_dev_err(hdev, "Failed to send wmt func ctrl (%d)", err);
3066 return err;
3067 }
3068
3069 return 0;
3070}
3071
Sean Wang9ce67c32019-06-02 08:02:49 +0800[diff] [blame]3072MODULE_FIRMWARE(FIRMWARE_MT7663);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3073MODULE_FIRMWARE(FIRMWARE_MT7668);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3074
Rajat Jaina4ccc9e2017-02-01 14:24:10 -0800[diff] [blame]3075#ifdef CONFIG_PM
3076/* Configure an out-of-band gpio as wake-up pin, if specified in device tree */
3077static int marvell_config_oob_wake(struct hci_dev *hdev)
3078{
3079 struct sk_buff *skb;
3080 struct btusb_data *data = hci_get_drvdata(hdev);
3081 struct device *dev = &data->udev->dev;
3082 u16 pin, gap, opcode;
3083 int ret;
3084 u8 cmd[5];
3085
3086 /* Move on if no wakeup pin specified */
3087 if (of_property_read_u16(dev->of_node, "marvell,wakeup-pin", &pin) ||
3088 of_property_read_u16(dev->of_node, "marvell,wakeup-gap-ms", &gap))
3089 return 0;
3090
3091 /* Vendor specific command to configure a GPIO as wake-up pin */
3092 opcode = hci_opcode_pack(0x3F, 0x59);
3093 cmd[0] = opcode & 0xFF;
3094 cmd[1] = opcode >> 8;
3095 cmd[2] = 2; /* length of parameters that follow */
3096 cmd[3] = pin;
3097 cmd[4] = gap; /* time in ms, for which wakeup pin should be asserted */
3098
3099 skb = bt_skb_alloc(sizeof(cmd), GFP_KERNEL);
3100 if (!skb) {
3101 bt_dev_err(hdev, "%s: No memory\n", __func__);
3102 return -ENOMEM;
3103 }
3104
Johannes Berg59ae1d12017-06-16 14:29:20 +0200[diff] [blame]3105 skb_put_data(skb, cmd, sizeof(cmd));
Rajat Jaina4ccc9e2017-02-01 14:24:10 -0800[diff] [blame]3106 hci_skb_pkt_type(skb) = HCI_COMMAND_PKT;
3107
3108 ret = btusb_send_frame(hdev, skb);
3109 if (ret) {
3110 bt_dev_err(hdev, "%s: configuration failed\n", __func__);
3111 kfree_skb(skb);
3112 return ret;
3113 }
3114
3115 return 0;
3116}
3117#endif
3118
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]3119static int btusb_set_bdaddr_marvell(struct hci_dev *hdev,
3120 const bdaddr_t *bdaddr)
3121{
3122 struct sk_buff *skb;
3123 u8 buf[8];
3124 long ret;
3125
3126 buf[0] = 0xfe;
3127 buf[1] = sizeof(bdaddr_t);
3128 memcpy(buf + 2, bdaddr, sizeof(bdaddr_t));
3129
3130 skb = __hci_cmd_sync(hdev, 0xfc22, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3131 if (IS_ERR(skb)) {
3132 ret = PTR_ERR(skb);
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3133 bt_dev_err(hdev, "changing Marvell device address failed (%ld)",
3134 ret);
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]3135 return ret;
3136 }
3137 kfree_skb(skb);
3138
3139 return 0;
3140}
3141
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3142static int btusb_set_bdaddr_ath3012(struct hci_dev *hdev,
3143 const bdaddr_t *bdaddr)
3144{
3145 struct sk_buff *skb;
3146 u8 buf[10];
3147 long ret;
3148
3149 buf[0] = 0x01;
3150 buf[1] = 0x01;
3151 buf[2] = 0x00;
3152 buf[3] = sizeof(bdaddr_t);
3153 memcpy(buf + 4, bdaddr, sizeof(bdaddr_t));
3154
3155 skb = __hci_cmd_sync(hdev, 0xfc0b, sizeof(buf), buf, HCI_INIT_TIMEOUT);
3156 if (IS_ERR(skb)) {
3157 ret = PTR_ERR(skb);
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3158 bt_dev_err(hdev, "Change address command failed (%ld)", ret);
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3159 return ret;
3160 }
3161 kfree_skb(skb);
3162
3163 return 0;
3164}
3165
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3166#define QCA_DFU_PACKET_LEN 4096
3167
3168#define QCA_GET_TARGET_VERSION 0x09
3169#define QCA_CHECK_STATUS 0x05
3170#define QCA_DFU_DOWNLOAD 0x01
3171
3172#define QCA_SYSCFG_UPDATED 0x40
3173#define QCA_PATCH_UPDATED 0x80
3174#define QCA_DFU_TIMEOUT 3000
3175
3176struct qca_version {
3177 __le32 rom_version;
3178 __le32 patch_version;
3179 __le32 ram_version;
3180 __le32 ref_clock;
3181 __u8 reserved[4];
3182} __packed;
3183
3184struct qca_rampatch_version {
3185 __le16 rom_version;
3186 __le16 patch_version;
3187} __packed;
3188
3189struct qca_device_info {
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3190 u32 rom_version;
3191 u8 rampatch_hdr; /* length of header in rampatch */
3192 u8 nvm_hdr; /* length of header in NVM */
3193 u8 ver_offset; /* offset of version structure in rampatch */
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3194};
3195
3196static const struct qca_device_info qca_devices_table[] = {
3197 { 0x00000100, 20, 4, 10 }, /* Rome 1.0 */
3198 { 0x00000101, 20, 4, 10 }, /* Rome 1.1 */
Chan-yeol Park7f6e6362015-05-21 11:24:27 +0900[diff] [blame]3199 { 0x00000200, 28, 4, 18 }, /* Rome 2.0 */
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3200 { 0x00000201, 28, 4, 18 }, /* Rome 2.1 */
3201 { 0x00000300, 28, 4, 18 }, /* Rome 3.0 */
3202 { 0x00000302, 28, 4, 18 }, /* Rome 3.2 */
3203};
3204
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3205static int btusb_qca_send_vendor_req(struct usb_device *udev, u8 request,
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3206 void *data, u16 size)
3207{
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3208 int pipe, err;
3209 u8 *buf;
3210
3211 buf = kmalloc(size, GFP_KERNEL);
3212 if (!buf)
3213 return -ENOMEM;
3214
3215 /* Found some of USB hosts have IOT issues with ours so that we should
3216 * not wait until HCI layer is ready.
3217 */
3218 pipe = usb_rcvctrlpipe(udev, 0);
3219 err = usb_control_msg(udev, pipe, request, USB_TYPE_VENDOR | USB_DIR_IN,
3220 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3221 if (err < 0) {
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3222 dev_err(&udev->dev, "Failed to access otp area (%d)", err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3223 goto done;
3224 }
3225
3226 memcpy(data, buf, size);
3227
3228done:
3229 kfree(buf);
3230
3231 return err;
3232}
3233
3234static int btusb_setup_qca_download_fw(struct hci_dev *hdev,
3235 const struct firmware *firmware,
3236 size_t hdr_size)
3237{
3238 struct btusb_data *btdata = hci_get_drvdata(hdev);
3239 struct usb_device *udev = btdata->udev;
3240 size_t count, size, sent = 0;
3241 int pipe, len, err;
3242 u8 *buf;
3243
3244 buf = kmalloc(QCA_DFU_PACKET_LEN, GFP_KERNEL);
3245 if (!buf)
3246 return -ENOMEM;
3247
3248 count = firmware->size;
3249
3250 size = min_t(size_t, count, hdr_size);
3251 memcpy(buf, firmware->data, size);
3252
3253 /* USB patches should go down to controller through USB path
3254 * because binary format fits to go down through USB channel.
3255 * USB control path is for patching headers and USB bulk is for
3256 * patch body.
3257 */
3258 pipe = usb_sndctrlpipe(udev, 0);
3259 err = usb_control_msg(udev, pipe, QCA_DFU_DOWNLOAD, USB_TYPE_VENDOR,
3260 0, 0, buf, size, USB_CTRL_SET_TIMEOUT);
3261 if (err < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3262 bt_dev_err(hdev, "Failed to send headers (%d)", err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3263 goto done;
3264 }
3265
3266 sent += size;
3267 count -= size;
3268
3269 while (count) {
3270 size = min_t(size_t, count, QCA_DFU_PACKET_LEN);
3271
3272 memcpy(buf, firmware->data + sent, size);
3273
3274 pipe = usb_sndbulkpipe(udev, 0x02);
3275 err = usb_bulk_msg(udev, pipe, buf, size, &len,
3276 QCA_DFU_TIMEOUT);
3277 if (err < 0) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3278 bt_dev_err(hdev, "Failed to send body at %zd of %zd (%d)",
3279 sent, firmware->size, err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3280 break;
3281 }
3282
3283 if (size != len) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3284 bt_dev_err(hdev, "Failed to get bulk buffer");
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3285 err = -EILSEQ;
3286 break;
3287 }
3288
3289 sent += size;
3290 count -= size;
3291 }
3292
3293done:
3294 kfree(buf);
3295 return err;
3296}
3297
3298static int btusb_setup_qca_load_rampatch(struct hci_dev *hdev,
3299 struct qca_version *ver,
3300 const struct qca_device_info *info)
3301{
3302 struct qca_rampatch_version *rver;
3303 const struct firmware *fw;
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3304 u32 ver_rom, ver_patch;
3305 u16 rver_rom, rver_patch;
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3306 char fwname[64];
3307 int err;
3308
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3309 ver_rom = le32_to_cpu(ver->rom_version);
3310 ver_patch = le32_to_cpu(ver->patch_version);
3311
3312 snprintf(fwname, sizeof(fwname), "qca/rampatch_usb_%08x.bin", ver_rom);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3313
3314 err = request_firmware(&fw, fwname, &hdev->dev);
3315 if (err) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3316 bt_dev_err(hdev, "failed to request rampatch file: %s (%d)",
3317 fwname, err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3318 return err;
3319 }
3320
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3321 bt_dev_info(hdev, "using rampatch file: %s", fwname);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3322
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3323 rver = (struct qca_rampatch_version *)(fw->data + info->ver_offset);
3324 rver_rom = le16_to_cpu(rver->rom_version);
3325 rver_patch = le16_to_cpu(rver->patch_version);
3326
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3327 bt_dev_info(hdev, "QCA: patch rome 0x%x build 0x%x, "
3328 "firmware rome 0x%x build 0x%x",
3329 rver_rom, rver_patch, ver_rom, ver_patch);
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3330
3331 if (rver_rom != ver_rom || rver_patch <= ver_patch) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3332 bt_dev_err(hdev, "rampatch file version did not match with firmware");
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3333 err = -EINVAL;
3334 goto done;
3335 }
3336
3337 err = btusb_setup_qca_download_fw(hdev, fw, info->rampatch_hdr);
3338
3339done:
3340 release_firmware(fw);
3341
3342 return err;
3343}
3344
3345static int btusb_setup_qca_load_nvm(struct hci_dev *hdev,
3346 struct qca_version *ver,
3347 const struct qca_device_info *info)
3348{
3349 const struct firmware *fw;
3350 char fwname[64];
3351 int err;
3352
3353 snprintf(fwname, sizeof(fwname), "qca/nvm_usb_%08x.bin",
3354 le32_to_cpu(ver->rom_version));
3355
3356 err = request_firmware(&fw, fwname, &hdev->dev);
3357 if (err) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3358 bt_dev_err(hdev, "failed to request NVM file: %s (%d)",
3359 fwname, err);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3360 return err;
3361 }
3362
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3363 bt_dev_info(hdev, "using NVM file: %s", fwname);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3364
3365 err = btusb_setup_qca_download_fw(hdev, fw, info->nvm_hdr);
3366
3367 release_firmware(fw);
3368
3369 return err;
3370}
3371
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3372/* identify the ROM version and check whether patches are needed */
3373static bool btusb_qca_need_patch(struct usb_device *udev)
3374{
3375 struct qca_version ver;
3376
3377 if (btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
3378 sizeof(ver)) < 0)
3379 return false;
3380 /* only low ROM versions need patches */
3381 return !(le32_to_cpu(ver.rom_version) & ~0xffffU);
3382}
3383
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3384static int btusb_setup_qca(struct hci_dev *hdev)
3385{
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3386 struct btusb_data *btdata = hci_get_drvdata(hdev);
3387 struct usb_device *udev = btdata->udev;
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3388 const struct qca_device_info *info = NULL;
3389 struct qca_version ver;
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3390 u32 ver_rom;
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3391 u8 status;
3392 int i, err;
3393
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3394 err = btusb_qca_send_vendor_req(udev, QCA_GET_TARGET_VERSION, &ver,
Marcel Holtmanneb500422015-04-16 23:15:50 +0200[diff] [blame]3395 sizeof(ver));
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3396 if (err < 0)
3397 return err;
3398
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3399 ver_rom = le32_to_cpu(ver.rom_version);
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3400 /* Don't care about high ROM versions */
3401 if (ver_rom & ~0xffffU)
3402 return 0;
3403
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3404 for (i = 0; i < ARRAY_SIZE(qca_devices_table); i++) {
Kim, Ben Young Taebf906b32015-03-10 23:34:58 +0000[diff] [blame]3405 if (ver_rom == qca_devices_table[i].rom_version)
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3406 info = &qca_devices_table[i];
3407 }
3408 if (!info) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3409 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]3410 return -ENODEV;
3411 }
3412
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3413 err = btusb_qca_send_vendor_req(udev, QCA_CHECK_STATUS, &status,
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3414 sizeof(status));
3415 if (err < 0)
3416 return err;
3417
3418 if (!(status & QCA_PATCH_UPDATED)) {
3419 err = btusb_setup_qca_load_rampatch(hdev, &ver, info);
3420 if (err < 0)
3421 return err;
3422 }
3423
3424 if (!(status & QCA_SYSCFG_UPDATED)) {
3425 err = btusb_setup_qca_load_nvm(hdev, &ver, info);
3426 if (err < 0)
3427 return err;
3428 }
3429
3430 return 0;
3431}
3432
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3433static inline int __set_diag_interface(struct hci_dev *hdev)
3434{
3435 struct btusb_data *data = hci_get_drvdata(hdev);
3436 struct usb_interface *intf = data->diag;
3437 int i;
3438
3439 if (!data->diag)
3440 return -ENODEV;
3441
3442 data->diag_tx_ep = NULL;
3443 data->diag_rx_ep = NULL;
3444
3445 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3446 struct usb_endpoint_descriptor *ep_desc;
3447
3448 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3449
3450 if (!data->diag_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
3451 data->diag_tx_ep = ep_desc;
3452 continue;
3453 }
3454
3455 if (!data->diag_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
3456 data->diag_rx_ep = ep_desc;
3457 continue;
3458 }
3459 }
3460
3461 if (!data->diag_tx_ep || !data->diag_rx_ep) {
Marcel Holtmann2064ee32017-10-30 10:42:59 +0100[diff] [blame]3462 bt_dev_err(hdev, "invalid diagnostic descriptors");
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3463 return -ENODEV;
3464 }
3465
3466 return 0;
3467}
3468
3469static struct urb *alloc_diag_urb(struct hci_dev *hdev, bool enable)
3470{
3471 struct btusb_data *data = hci_get_drvdata(hdev);
3472 struct sk_buff *skb;
3473 struct urb *urb;
3474 unsigned int pipe;
3475
3476 if (!data->diag_tx_ep)
3477 return ERR_PTR(-ENODEV);
3478
3479 urb = usb_alloc_urb(0, GFP_KERNEL);
3480 if (!urb)
3481 return ERR_PTR(-ENOMEM);
3482
3483 skb = bt_skb_alloc(2, GFP_KERNEL);
3484 if (!skb) {
3485 usb_free_urb(urb);
3486 return ERR_PTR(-ENOMEM);
3487 }
3488
Johannes Berg634fef62017-06-16 14:29:24 +0200[diff] [blame]3489 skb_put_u8(skb, 0xf0);
3490 skb_put_u8(skb, enable);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3491
3492 pipe = usb_sndbulkpipe(data->udev, data->diag_tx_ep->bEndpointAddress);
3493
3494 usb_fill_bulk_urb(urb, data->udev, pipe,
3495 skb->data, skb->len, btusb_tx_complete, skb);
3496
3497 skb->dev = (void *)hdev;
3498
3499 return urb;
3500}
3501
3502static int btusb_bcm_set_diag(struct hci_dev *hdev, bool enable)
3503{
3504 struct btusb_data *data = hci_get_drvdata(hdev);
3505 struct urb *urb;
3506
3507 if (!data->diag)
3508 return -ENODEV;
3509
3510 if (!test_bit(HCI_RUNNING, &hdev->flags))
3511 return -ENETDOWN;
3512
3513 urb = alloc_diag_urb(hdev, enable);
3514 if (IS_ERR(urb))
3515 return PTR_ERR(urb);
3516
3517 return submit_or_queue_tx_urb(hdev, urb);
3518}
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3519
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3520#ifdef CONFIG_PM
3521static irqreturn_t btusb_oob_wake_handler(int irq, void *priv)
3522{
3523 struct btusb_data *data = priv;
3524
3525 pm_wakeup_event(&data->udev->dev, 0);
Jeffy Chen017789f2017-02-24 14:24:29 +0800[diff] [blame]3526 pm_system_wakeup();
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3527
3528 /* Disable only if not already disabled (keep it balanced) */
3529 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
3530 disable_irq_nosync(irq);
3531 disable_irq_wake(irq);
3532 }
3533 return IRQ_HANDLED;
3534}
3535
3536static const struct of_device_id btusb_match_table[] = {
3537 { .compatible = "usb1286,204e" },
Brian Norris4c409af2019-02-22 14:53:43 -0800[diff] [blame]3538 { .compatible = "usbcf3,e300" }, /* QCA6174A */
3539 { .compatible = "usb4ca,301a" }, /* QCA6174A (Lite-On) */
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3540 { }
3541};
3542MODULE_DEVICE_TABLE(of, btusb_match_table);
3543
3544/* Use an oob wakeup pin? */
3545static int btusb_config_oob_wake(struct hci_dev *hdev)
3546{
3547 struct btusb_data *data = hci_get_drvdata(hdev);
3548 struct device *dev = &data->udev->dev;
3549 int irq, ret;
3550
3551 clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
3552
3553 if (!of_match_device(btusb_match_table, dev))
3554 return 0;
3555
3556 /* Move on if no IRQ specified */
3557 irq = of_irq_get_byname(dev->of_node, "wakeup");
3558 if (irq <= 0) {
3559 bt_dev_dbg(hdev, "%s: no OOB Wakeup IRQ in DT", __func__);
3560 return 0;
3561 }
3562
Brian Norris771acc72019-04-09 11:49:17 -0700[diff] [blame]3563 irq_set_status_flags(irq, IRQ_NOAUTOEN);
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3564 ret = devm_request_irq(&hdev->dev, irq, btusb_oob_wake_handler,
3565 0, "OOB Wake-on-BT", data);
3566 if (ret) {
3567 bt_dev_err(hdev, "%s: IRQ request failed", __func__);
3568 return ret;
3569 }
3570
3571 ret = device_init_wakeup(dev, true);
3572 if (ret) {
3573 bt_dev_err(hdev, "%s: failed to init_wakeup", __func__);
3574 return ret;
3575 }
3576
3577 data->oob_wake_irq = irq;
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3578 bt_dev_info(hdev, "OOB Wake-on-BT configured at IRQ %u", irq);
3579 return 0;
3580}
3581#endif
3582
Hans de Goedefc549102018-04-27 11:26:43 +0200[diff] [blame]3583static void btusb_check_needs_reset_resume(struct usb_interface *intf)
3584{
3585 if (dmi_check_system(btusb_needs_reset_resume_table))
3586 interface_to_usbdev(intf)->quirks |= USB_QUIRK_RESET_RESUME;
3587}
3588
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3589static int btusb_probe(struct usb_interface *intf,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]3590 const struct usb_device_id *id)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3591{
3592 struct usb_endpoint_descriptor *ep_desc;
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3593 struct gpio_desc *reset_gpio;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3594 struct btusb_data *data;
3595 struct hci_dev *hdev;
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3596 unsigned ifnum_base;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3597 int i, err;
3598
3599 BT_DBG("intf %p id %p", intf, id);
3600
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3601 /* interface numbers are hardcoded in the spec */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3602 if (intf->cur_altsetting->desc.bInterfaceNumber != 0) {
3603 if (!(id->driver_info & BTUSB_IFNUM_2))
3604 return -ENODEV;
3605 if (intf->cur_altsetting->desc.bInterfaceNumber != 2)
3606 return -ENODEV;
3607 }
3608
3609 ifnum_base = intf->cur_altsetting->desc.bInterfaceNumber;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3610
3611 if (!id->driver_info) {
3612 const struct usb_device_id *match;
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]3613
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3614 match = usb_match_id(intf, blacklist_table);
3615 if (match)
3616 id = match;
3617 }
3618
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3619 if (id->driver_info == BTUSB_IGNORE)
3620 return -ENODEV;
3621
Steven.Li2d25f8b2011-07-01 14:02:36 +0800[diff] [blame]3622 if (id->driver_info & BTUSB_ATH3012) {
3623 struct usb_device *udev = interface_to_usbdev(intf);
3624
3625 /* Old firmware would otherwise let ath3k driver load
Derek Robsond98422c2017-07-22 13:47:07 +1200[diff] [blame]3626 * patch and sysconfig files
3627 */
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3628 if (le16_to_cpu(udev->descriptor.bcdDevice) <= 0x0001 &&
3629 !btusb_qca_need_patch(udev))
Steven.Li2d25f8b2011-07-01 14:02:36 +0800[diff] [blame]3630 return -ENODEV;
3631 }
3632
Sachin Kamat98921db2012-07-27 12:38:39 +0530[diff] [blame]3633 data = devm_kzalloc(&intf->dev, sizeof(*data), GFP_KERNEL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3634 if (!data)
3635 return -ENOMEM;
3636
3637 for (i = 0; i < intf->cur_altsetting->desc.bNumEndpoints; i++) {
3638 ep_desc = &intf->cur_altsetting->endpoint[i].desc;
3639
3640 if (!data->intr_ep && usb_endpoint_is_int_in(ep_desc)) {
3641 data->intr_ep = ep_desc;
3642 continue;
3643 }
3644
3645 if (!data->bulk_tx_ep && usb_endpoint_is_bulk_out(ep_desc)) {
3646 data->bulk_tx_ep = ep_desc;
3647 continue;
3648 }
3649
3650 if (!data->bulk_rx_ep && usb_endpoint_is_bulk_in(ep_desc)) {
3651 data->bulk_rx_ep = ep_desc;
3652 continue;
3653 }
3654 }
3655
Sachin Kamat98921db2012-07-27 12:38:39 +0530[diff] [blame]3656 if (!data->intr_ep || !data->bulk_tx_ep || !data->bulk_rx_ep)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3657 return -ENODEV;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3658
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3659 if (id->driver_info & BTUSB_AMP) {
3660 data->cmdreq_type = USB_TYPE_CLASS | 0x01;
3661 data->cmdreq = 0x2b;
3662 } else {
3663 data->cmdreq_type = USB_TYPE_CLASS;
3664 data->cmdreq = 0x00;
3665 }
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3666
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3667 data->udev = interface_to_usbdev(intf);
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]3668 data->intf = intf;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3669
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3670 INIT_WORK(&data->work, btusb_work);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]3671 INIT_WORK(&data->waker, btusb_waker);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]3672 init_usb_anchor(&data->deferred);
3673 init_usb_anchor(&data->tx_anchor);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]3674 spin_lock_init(&data->txlock);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3675
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3676 init_usb_anchor(&data->intr_anchor);
3677 init_usb_anchor(&data->bulk_anchor);
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3678 init_usb_anchor(&data->isoc_anchor);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3679 init_usb_anchor(&data->diag_anchor);
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3680 init_usb_anchor(&data->ctrl_anchor);
Marcel Holtmann803b5832014-09-16 08:00:29 +0200[diff] [blame]3681 spin_lock_init(&data->rxlock);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3682
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3683 if (id->driver_info & BTUSB_INTEL_NEW) {
3684 data->recv_event = btusb_recv_event_intel;
3685 data->recv_bulk = btusb_recv_bulk_intel;
3686 set_bit(BTUSB_BOOTLOADER, &data->flags);
3687 } else {
3688 data->recv_event = hci_recv_frame;
3689 data->recv_bulk = btusb_recv_bulk;
3690 }
Marcel Holtmann2cbd3f52014-11-03 05:16:07 +0100[diff] [blame]3691
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3692 hdev = hci_alloc_dev();
Sachin Kamat98921db2012-07-27 12:38:39 +0530[diff] [blame]3693 if (!hdev)
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3694 return -ENOMEM;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3695
Marcel Holtmannc13854c2010-02-08 15:27:07 +0100[diff] [blame]3696 hdev->bus = HCI_USB;
David Herrmann155961e2012-02-09 21:58:32 +0100[diff] [blame]3697 hci_set_drvdata(hdev, data);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3698
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3699 if (id->driver_info & BTUSB_AMP)
3700 hdev->dev_type = HCI_AMP;
3701 else
Marcel Holtmannca8bee52016-07-05 14:30:14 +0200[diff] [blame]3702 hdev->dev_type = HCI_PRIMARY;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3703
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3704 data->hdev = hdev;
3705
3706 SET_HCIDEV_DEV(hdev, &intf->dev);
3707
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3708 reset_gpio = gpiod_get_optional(&data->udev->dev, "reset",
3709 GPIOD_OUT_LOW);
3710 if (IS_ERR(reset_gpio)) {
3711 err = PTR_ERR(reset_gpio);
3712 goto out_free_dev;
3713 } else if (reset_gpio) {
3714 data->reset_gpio = reset_gpio;
3715 }
3716
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]3717 hdev->open = btusb_open;
3718 hdev->close = btusb_close;
3719 hdev->flush = btusb_flush;
3720 hdev->send = btusb_send_frame;
3721 hdev->notify = btusb_notify;
3722
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3723#ifdef CONFIG_PM
3724 err = btusb_config_oob_wake(hdev);
3725 if (err)
3726 goto out_free_dev;
Rajat Jaina4ccc9e2017-02-01 14:24:10 -0800[diff] [blame]3727
3728 /* Marvell devices may need a specific chip configuration */
3729 if (id->driver_info & BTUSB_MARVELL && data->oob_wake_irq) {
3730 err = marvell_config_oob_wake(hdev);
3731 if (err)
3732 goto out_free_dev;
3733 }
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3734#endif
Szymon Janc418678b2016-09-01 17:22:37 +0200[diff] [blame]3735 if (id->driver_info & BTUSB_CW6622)
3736 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3737
Marcel Holtmann6c9d4352015-10-17 14:39:27 +0200[diff] [blame]3738 if (id->driver_info & BTUSB_BCM2045)
3739 set_bit(HCI_QUIRK_BROKEN_STORED_LINK_KEY, &hdev->quirks);
3740
Marcel Holtmann9f8f9622013-04-10 08:11:35 -0700[diff] [blame]3741 if (id->driver_info & BTUSB_BCM92035)
3742 hdev->setup = btusb_setup_bcm92035;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3743
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]3744 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
3745 (id->driver_info & BTUSB_BCM_PATCHRAM)) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3746 hdev->manufacturer = 15;
Marcel Holtmannc2bfb102015-04-05 22:52:14 -0700[diff] [blame]3747 hdev->setup = btbcm_setup_patchram;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3748 hdev->set_diag = btusb_bcm_set_diag;
Marcel Holtmann1df1f592015-04-05 22:52:11 -0700[diff] [blame]3749 hdev->set_bdaddr = btbcm_set_bdaddr;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3750
3751 /* Broadcom LM_DIAG Interface numbers are hardcoded */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3752 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
Marcel Holtmannabbaf502014-07-02 00:53:48 +0200[diff] [blame]3753 }
Petri Gynther10d4c672014-05-08 15:50:01 -0700[diff] [blame]3754
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]3755 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) &&
3756 (id->driver_info & BTUSB_BCM_APPLE)) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3757 hdev->manufacturer = 15;
Marcel Holtmannc2bfb102015-04-05 22:52:14 -0700[diff] [blame]3758 hdev->setup = btbcm_setup_apple;
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3759 hdev->set_diag = btusb_bcm_set_diag;
3760
3761 /* Broadcom LM_DIAG Interface numbers are hardcoded */
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3762 data->diag = usb_ifnum_to_if(data->udev, ifnum_base + 2);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3763 }
Marcel Holtmann17b27722015-03-22 15:52:38 +0100[diff] [blame]3764
Marcel Holtmanncb8d6592014-07-02 11:25:25 +0200[diff] [blame]3765 if (id->driver_info & BTUSB_INTEL) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3766 hdev->manufacturer = 2;
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]3767 hdev->setup = btusb_setup_intel;
Tedd Ho-Jeong Anbfbd45e2015-02-13 09:20:52 -0800[diff] [blame]3768 hdev->shutdown = btusb_shutdown_intel;
Marcel Holtmann3e247672015-10-17 16:00:28 +0200[diff] [blame]3769 hdev->set_diag = btintel_set_diag_mfg;
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]3770 hdev->set_bdaddr = btintel_set_bdaddr;
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3771 hdev->cmd_timeout = btusb_intel_cmd_timeout;
Jakub Pawlowskic33fb9b2015-01-30 18:55:58 -0800[diff] [blame]3772 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
Jakub Pawlowskic1154842015-03-17 09:04:16 -0700[diff] [blame]3773 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Marcel Holtmann3e247672015-10-17 16:00:28 +0200[diff] [blame]3774 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
Marcel Holtmanncb8d6592014-07-02 11:25:25 +0200[diff] [blame]3775 }
Tedd Ho-Jeong Andffd30e2013-04-19 09:57:43 -0700[diff] [blame]3776
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3777 if (id->driver_info & BTUSB_INTEL_NEW) {
Marcel Holtmann49a5f782015-10-20 02:30:48 +0200[diff] [blame]3778 hdev->manufacturer = 2;
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3779 hdev->send = btusb_send_frame_intel;
3780 hdev->setup = btusb_setup_intel_new;
Raghuram Hegde017a01c2019-01-29 17:54:48 +0530[diff] [blame]3781 hdev->shutdown = btusb_shutdown_intel_new;
Marcel Holtmanneeb6abe2015-07-05 14:37:39 +0200[diff] [blame]3782 hdev->hw_error = btintel_hw_error;
Marcel Holtmann6d2e50d2015-10-09 14:42:08 +0200[diff] [blame]3783 hdev->set_diag = btintel_set_diag;
Marcel Holtmann4185a0f2015-04-06 00:52:12 -0700[diff] [blame]3784 hdev->set_bdaddr = btintel_set_bdaddr;
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3785 hdev->cmd_timeout = btusb_intel_cmd_timeout;
Marcel Holtmannb970c5b2015-02-01 23:57:18 -0800[diff] [blame]3786 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
Justin TerAvestf7785022018-09-25 11:04:57 -0600[diff] [blame]3787 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Marcel Holtmannd8270fb2015-10-17 16:00:27 +0200[diff] [blame]3788 set_bit(HCI_QUIRK_NON_PERSISTENT_DIAG, &hdev->quirks);
Marcel Holtmanncda0dd72015-01-26 21:33:48 -0800[diff] [blame]3789 }
3790
Amitkumar Karwarae8df492014-07-18 14:47:06 -0700[diff] [blame]3791 if (id->driver_info & BTUSB_MARVELL)
3792 hdev->set_bdaddr = btusb_set_bdaddr_marvell;
3793
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]3794 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_MTK) &&
3795 (id->driver_info & BTUSB_MEDIATEK)) {
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3796 hdev->setup = btusb_mtk_setup;
3797 hdev->shutdown = btusb_mtk_shutdown;
3798 hdev->manufacturer = 70;
3799 set_bit(HCI_QUIRK_NON_PERSISTENT_SETUP, &hdev->quirks);
3800 }
Sean Wanga1c49c432019-06-02 08:02:48 +0800[diff] [blame]3801
Marcel Holtmann661cf882015-01-02 23:35:20 -0800[diff] [blame]3802 if (id->driver_info & BTUSB_SWAVE) {
3803 set_bit(HCI_QUIRK_FIXUP_INQUIRY_MODE, &hdev->quirks);
Marcel Holtmannd57dbe72014-12-26 04:42:33 +0100[diff] [blame]3804 set_bit(HCI_QUIRK_BROKEN_LOCAL_COMMANDS, &hdev->quirks);
Marcel Holtmann661cf882015-01-02 23:35:20 -0800[diff] [blame]3805 }
Marcel Holtmannd57dbe72014-12-26 04:42:33 +0100[diff] [blame]3806
Marcel Holtmanne4c534b2015-10-21 01:31:45 +0200[diff] [blame]3807 if (id->driver_info & BTUSB_INTEL_BOOT) {
3808 hdev->manufacturer = 2;
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]3809 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
Marcel Holtmanne4c534b2015-10-21 01:31:45 +0200[diff] [blame]3810 }
Marcel Holtmann40df7832014-07-06 13:29:58 +0200[diff] [blame]3811
Jakub Pawlowski79f0c872015-01-29 10:38:34 -0800[diff] [blame]3812 if (id->driver_info & BTUSB_ATH3012) {
Takashi Iwai803cdb82018-05-21 22:34:52 +0200[diff] [blame]3813 data->setup_on_usb = btusb_setup_qca;
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3814 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
Jakub Pawlowski3d50d512015-03-17 09:04:15 -0700[diff] [blame]3815 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Jakub Pawlowski79f0c872015-01-29 10:38:34 -0800[diff] [blame]3816 set_bit(HCI_QUIRK_STRICT_DUPLICATE_FILTER, &hdev->quirks);
3817 }
Toshi Kikuchi58592232014-12-12 10:58:05 -0800[diff] [blame]3818
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3819 if (id->driver_info & BTUSB_QCA_ROME) {
3820 data->setup_on_usb = btusb_setup_qca;
3821 hdev->set_bdaddr = btusb_set_bdaddr_ath3012;
Vic Wei96e58d32018-03-28 08:28:47 -0700[diff] [blame]3822 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Hans de Goedefc549102018-04-27 11:26:43 +0200[diff] [blame]3823 btusb_check_needs_reset_resume(intf);
Kim, Ben Young Tae3267c882015-02-15 23:07:33 +0000[diff] [blame]3824 }
3825
Arnd Bergmann42d22092019-09-18 21:59:02 +0200[diff] [blame]3826 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_RTL) &&
3827 (id->driver_info & BTUSB_REALTEK)) {
Carlo Caionedb33c772015-05-14 10:49:09 +0200[diff] [blame]3828 hdev->setup = btrtl_setup_realtek;
Jian-Hong Pan7af3f5582019-06-25 16:30:51 +0800[diff] [blame]3829 hdev->shutdown = btrtl_shutdown_realtek;
Alex Lud7ef0d12019-09-05 10:36:31 +0800[diff] [blame]3830 hdev->cmd_timeout = btusb_rtl_cmd_timeout;
Daniel Drake04b8c812015-05-21 08:23:50 -0600[diff] [blame]3831
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]3832 /* Realtek devices lose their updated firmware over global
3833 * suspend that means host doesn't send SET_FEATURE
3834 * (DEVICE_REMOTE_WAKEUP)
Daniel Drake04b8c812015-05-21 08:23:50 -0600[diff] [blame]3835 */
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]3836 set_bit(BTUSB_WAKEUP_DISABLE, &data->flags);
Kai-Heng Feng7ecacaf2019-12-05 17:07:01 +0800[diff] [blame]3837
3838 err = usb_autopm_get_interface(intf);
3839 if (err < 0)
3840 goto out_free_dev;
Daniel Drake04b8c812015-05-21 08:23:50 -0600[diff] [blame]3841 }
Daniel Drakea2698a92015-04-16 14:09:55 -0600[diff] [blame]3842
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3843 if (id->driver_info & BTUSB_AMP) {
3844 /* AMP controllers do not support SCO packets */
3845 data->isoc = NULL;
3846 } else {
Marcel Holtmann22f8e9d2015-10-20 00:53:33 +0200[diff] [blame]3847 /* Interface orders are hardcoded in the specification */
3848 data->isoc = usb_ifnum_to_if(data->udev, ifnum_base + 1);
Marcel Holtmann459232f2017-10-24 19:42:45 +0200[diff] [blame]3849 data->isoc_ifnum = ifnum_base + 1;
Marcel Holtmann893ba542015-01-28 20:27:34 -0800[diff] [blame]3850 }
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3851
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3852 if (!reset)
Szymon Janca6c511c2012-05-23 12:35:46 +0200[diff] [blame]3853 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3854
3855 if (force_scofix || id->driver_info & BTUSB_WRONG_SCO_MTU) {
3856 if (!disable_scofix)
3857 set_bit(HCI_QUIRK_FIXUP_BUFFER_SIZE, &hdev->quirks);
3858 }
3859
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3860 if (id->driver_info & BTUSB_BROKEN_ISOC)
3861 data->isoc = NULL;
3862
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3863 if (id->driver_info & BTUSB_DIGIANSWER) {
3864 data->cmdreq_type = USB_TYPE_VENDOR;
Szymon Janca6c511c2012-05-23 12:35:46 +0200[diff] [blame]3865 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3866 }
3867
3868 if (id->driver_info & BTUSB_CSR) {
3869 struct usb_device *udev = data->udev;
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3870 u16 bcdDevice = le16_to_cpu(udev->descriptor.bcdDevice);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3871
3872 /* Old firmware would otherwise execute USB reset */
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3873 if (bcdDevice < 0x117)
Szymon Janca6c511c2012-05-23 12:35:46 +0200[diff] [blame]3874 set_bit(HCI_QUIRK_RESET_ON_CLOSE, &hdev->quirks);
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3875
3876 /* Fake CSR devices with broken commands */
Johan Hedberg6cafcd92015-08-30 21:47:21 +0300[diff] [blame]3877 if (bcdDevice <= 0x100 || bcdDevice == 0x134)
Marcel Holtmann81cac642014-01-03 03:02:36 -0800[diff] [blame]3878 hdev->setup = btusb_setup_csr;
Jakub Pawlowski49c989a2015-03-17 09:04:17 -0700[diff] [blame]3879
3880 set_bit(HCI_QUIRK_SIMULTANEOUS_DISCOVERY, &hdev->quirks);
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3881 }
3882
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3883 if (id->driver_info & BTUSB_SNIFFER) {
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3884 struct usb_device *udev = data->udev;
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3885
Marcel Holtmann7a9d4022008-11-30 12:17:26 +0100[diff] [blame]3886 /* New sniffer firmware has crippled HCI interface */
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]3887 if (le16_to_cpu(udev->descriptor.bcdDevice) > 0x997)
3888 set_bit(HCI_QUIRK_RAW_DEVICE, &hdev->quirks);
3889 }
3890
Marcel Holtmann3a5ef202014-07-06 14:53:54 +0200[diff] [blame]3891 if (id->driver_info & BTUSB_INTEL_BOOT) {
3892 /* A bug in the bootloader causes that interrupt interface is
3893 * only enabled after receiving SetInterface(0, AltSetting=0).
3894 */
3895 err = usb_set_interface(data->udev, 0, 0);
3896 if (err < 0) {
3897 BT_ERR("failed to set interface 0, alt 0 %d", err);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]3898 goto out_free_dev;
Marcel Holtmann3a5ef202014-07-06 14:53:54 +0200[diff] [blame]3899 }
3900 }
3901
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3902 if (data->isoc) {
3903 err = usb_driver_claim_interface(&btusb_driver,
Marcel Holtmann89e75332014-09-16 04:44:50 +0200[diff] [blame]3904 data->isoc, data);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]3905 if (err < 0)
3906 goto out_free_dev;
Marcel Holtmann9bfa35f2008-08-18 13:23:52 +0200[diff] [blame]3907 }
3908
Marcel Holtmannc0a21a52019-09-27 08:48:58 +0200[diff] [blame]3909 if (IS_ENABLED(CONFIG_BT_HCIBTUSB_BCM) && data->diag) {
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3910 if (!usb_driver_claim_interface(&btusb_driver,
3911 data->diag, data))
3912 __set_diag_interface(hdev);
3913 else
3914 data->diag = NULL;
3915 }
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3916
Hans de Goedeeff2d682017-11-13 14:44:16 +0100[diff] [blame]3917 if (enable_autosuspend)
3918 usb_enable_autosuspend(data->udev);
3919
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3920 err = hci_register_dev(hdev);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]3921 if (err < 0)
3922 goto out_free_dev;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3923
3924 usb_set_intfdata(intf, data);
3925
3926 return 0;
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]3927
3928out_free_dev:
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3929 if (data->reset_gpio)
3930 gpiod_put(data->reset_gpio);
Rajat Jain10ab1332017-02-01 14:24:08 -0800[diff] [blame]3931 hci_free_dev(hdev);
3932 return err;
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3933}
3934
3935static void btusb_disconnect(struct usb_interface *intf)
3936{
3937 struct btusb_data *data = usb_get_intfdata(intf);
3938 struct hci_dev *hdev;
3939
3940 BT_DBG("intf %p", intf);
3941
3942 if (!data)
3943 return;
3944
3945 hdev = data->hdev;
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]3946 usb_set_intfdata(data->intf, NULL);
3947
3948 if (data->isoc)
3949 usb_set_intfdata(data->isoc, NULL);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3950
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3951 if (data->diag)
3952 usb_set_intfdata(data->diag, NULL);
3953
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3954 hci_unregister_dev(hdev);
3955
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3956 if (intf == data->intf) {
3957 if (data->isoc)
3958 usb_driver_release_interface(&btusb_driver, data->isoc);
3959 if (data->diag)
3960 usb_driver_release_interface(&btusb_driver, data->diag);
3961 } else if (intf == data->isoc) {
3962 if (data->diag)
3963 usb_driver_release_interface(&btusb_driver, data->diag);
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]3964 usb_driver_release_interface(&btusb_driver, data->intf);
Marcel Holtmann9d08f502015-10-08 20:23:08 +0200[diff] [blame]3965 } else if (intf == data->diag) {
3966 usb_driver_release_interface(&btusb_driver, data->intf);
3967 if (data->isoc)
3968 usb_driver_release_interface(&btusb_driver, data->isoc);
3969 }
Marcel Holtmann5fbcd262008-09-23 00:16:36 +0200[diff] [blame]3970
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]3971 if (data->oob_wake_irq)
3972 device_init_wakeup(&data->udev->dev, false);
3973
Rajat Jaindc786b22019-01-24 15:28:14 -0800[diff] [blame]3974 if (data->reset_gpio)
3975 gpiod_put(data->reset_gpio);
3976
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]3977 hci_free_dev(hdev);
3978}
3979
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]3980#ifdef CONFIG_PM
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]3981static int btusb_suspend(struct usb_interface *intf, pm_message_t message)
3982{
3983 struct btusb_data *data = usb_get_intfdata(intf);
3984
3985 BT_DBG("intf %p", intf);
3986
3987 if (data->suspend_count++)
3988 return 0;
3989
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]3990 spin_lock_irq(&data->txlock);
Alan Stern5b1b0b82011-08-19 23:49:48 +0200[diff] [blame]3991 if (!(PMSG_IS_AUTO(message) && data->tx_in_flight)) {
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]3992 set_bit(BTUSB_SUSPENDING, &data->flags);
3993 spin_unlock_irq(&data->txlock);
3994 } else {
3995 spin_unlock_irq(&data->txlock);
3996 data->suspend_count--;
3997 return -EBUSY;
3998 }
3999
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4000 cancel_work_sync(&data->work);
4001
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4002 btusb_stop_traffic(data);
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4003 usb_kill_anchored_urbs(&data->tx_anchor);
4004
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]4005 if (data->oob_wake_irq && device_may_wakeup(&data->udev->dev)) {
4006 set_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags);
4007 enable_irq_wake(data->oob_wake_irq);
4008 enable_irq(data->oob_wake_irq);
4009 }
4010
Alex Lu9e455242019-08-14 20:02:52 +0800[diff] [blame]4011 /* For global suspend, Realtek devices lose the loaded fw
4012 * in them. But for autosuspend, firmware should remain.
4013 * Actually, it depends on whether the usb host sends
4014 * set feature (enable wakeup) or not.
4015 */
4016 if (test_bit(BTUSB_WAKEUP_DISABLE, &data->flags)) {
4017 if (PMSG_IS_AUTO(message) &&
4018 device_can_wakeup(&data->udev->dev))
4019 data->udev->do_remote_wakeup = 1;
4020 else if (!PMSG_IS_AUTO(message))
4021 data->udev->reset_resume = 1;
4022 }
4023
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4024 return 0;
4025}
4026
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4027static void play_deferred(struct btusb_data *data)
4028{
4029 struct urb *urb;
4030 int err;
4031
4032 while ((urb = usb_get_from_anchor(&data->deferred))) {
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4033 usb_anchor_urb(urb, &data->tx_anchor);
4034
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4035 err = usb_submit_urb(urb, GFP_ATOMIC);
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4036 if (err < 0) {
4037 if (err != -EPERM && err != -ENODEV)
4038 BT_ERR("%s urb %p submission failed (%d)",
4039 data->hdev->name, urb, -err);
4040 kfree(urb->setup_packet);
4041 usb_unanchor_urb(urb);
4042 usb_free_urb(urb);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4043 break;
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4044 }
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4045
4046 data->tx_in_flight++;
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4047 usb_free_urb(urb);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4048 }
Jeffy Chen19cfe912017-07-20 18:53:50 +0800[diff] [blame]4049
4050 /* Cleanup the rest deferred urbs. */
4051 while ((urb = usb_get_from_anchor(&data->deferred))) {
4052 kfree(urb->setup_packet);
4053 usb_free_urb(urb);
4054 }
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4055}
4056
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4057static int btusb_resume(struct usb_interface *intf)
4058{
4059 struct btusb_data *data = usb_get_intfdata(intf);
4060 struct hci_dev *hdev = data->hdev;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4061 int err = 0;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4062
4063 BT_DBG("intf %p", intf);
4064
4065 if (--data->suspend_count)
4066 return 0;
4067
Rajat Jainfd913ef2017-02-01 14:24:09 -0800[diff] [blame]4068 /* Disable only if not already disabled (keep it balanced) */
4069 if (test_and_clear_bit(BTUSB_OOB_WAKE_ENABLED, &data->flags)) {
4070 disable_irq(data->oob_wake_irq);
4071 disable_irq_wake(data->oob_wake_irq);
4072 }
4073
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4074 if (!test_bit(HCI_RUNNING, &hdev->flags))
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4075 goto done;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4076
4077 if (test_bit(BTUSB_INTR_RUNNING, &data->flags)) {
4078 err = btusb_submit_intr_urb(hdev, GFP_NOIO);
4079 if (err < 0) {
4080 clear_bit(BTUSB_INTR_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4081 goto failed;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4082 }
4083 }
4084
4085 if (test_bit(BTUSB_BULK_RUNNING, &data->flags)) {
Marcel Holtmann43c2e572009-02-04 17:41:38 +0100[diff] [blame]4086 err = btusb_submit_bulk_urb(hdev, GFP_NOIO);
4087 if (err < 0) {
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4088 clear_bit(BTUSB_BULK_RUNNING, &data->flags);
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4089 goto failed;
4090 }
4091
4092 btusb_submit_bulk_urb(hdev, GFP_NOIO);
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4093 }
4094
4095 if (test_bit(BTUSB_ISOC_RUNNING, &data->flags)) {
4096 if (btusb_submit_isoc_urb(hdev, GFP_NOIO) < 0)
4097 clear_bit(BTUSB_ISOC_RUNNING, &data->flags);
4098 else
4099 btusb_submit_isoc_urb(hdev, GFP_NOIO);
4100 }
4101
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4102 spin_lock_irq(&data->txlock);
4103 play_deferred(data);
4104 clear_bit(BTUSB_SUSPENDING, &data->flags);
4105 spin_unlock_irq(&data->txlock);
4106 schedule_work(&data->work);
4107
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4108 return 0;
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4109
4110failed:
4111 usb_scuttle_anchored_urbs(&data->deferred);
4112done:
4113 spin_lock_irq(&data->txlock);
4114 clear_bit(BTUSB_SUSPENDING, &data->flags);
4115 spin_unlock_irq(&data->txlock);
4116
4117 return err;
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4118}
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4119#endif
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4120
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4121static struct usb_driver btusb_driver = {
4122 .name = "btusb",
4123 .probe = btusb_probe,
4124 .disconnect = btusb_disconnect,
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4125#ifdef CONFIG_PM
Marcel Holtmann6a88adf2008-11-30 12:17:14 +0100[diff] [blame]4126 .suspend = btusb_suspend,
4127 .resume = btusb_resume,
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4128#endif
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4129 .id_table = btusb_table,
Oliver Neukum7bee5492009-08-24 23:44:59 +0200[diff] [blame]4130 .supports_autosuspend = 1,
Sarah Sharpe1f12eb2012-04-23 10:08:51 -0700[diff] [blame]4131 .disable_hub_initiated_lpm = 1,
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4132};
4133
Greg Kroah-Hartman93f15082011-11-18 09:47:34 -0800[diff] [blame]4134module_usb_driver(btusb_driver);
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4135
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]4136module_param(disable_scofix, bool, 0644);
4137MODULE_PARM_DESC(disable_scofix, "Disable fixup of wrong SCO buffer size");
4138
4139module_param(force_scofix, bool, 0644);
4140MODULE_PARM_DESC(force_scofix, "Force fixup of wrong SCO buffers size");
4141
Hans de Goedeeff2d682017-11-13 14:44:16 +0100[diff] [blame]4142module_param(enable_autosuspend, bool, 0644);
4143MODULE_PARM_DESC(enable_autosuspend, "Enable USB autosuspend by default");
4144
Marcel Holtmanncfeb4142008-08-07 22:26:56 +0200[diff] [blame]4145module_param(reset, bool, 0644);
4146MODULE_PARM_DESC(reset, "Send HCI reset command on initialization");
4147
Marcel Holtmann5e23b922007-10-20 14:12:34 +0200[diff] [blame]4148MODULE_AUTHOR("Marcel Holtmann <marcel@holtmann.org>");
4149MODULE_DESCRIPTION("Generic Bluetooth USB driver ver " VERSION);
4150MODULE_VERSION(VERSION);
4151MODULE_LICENSE("GPL");