// SPDX-License-Identifier: GPL-2.0-or-later
/*
 * Xbox gamepad driver
 *
 * Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de>
 *               2004 Oliver Schwartz <Oliver.Schwartz@gmx.de>,
 *                    Steven Toth <steve@toth.demon.co.uk>,
 *                    Franz Lehner <franz@caos.at>,
 *                    Ivan Hawkes <blackhawk@ivanhawkes.com>
 *               2005 Dominic Cerquetti <binary1230@yahoo.com>
 *               2006 Adam Buchbinder <adam.buchbinder@gmail.com>
 *               2007 Jan Kratochvil <honza@jikos.cz>
 *               2010 Christoph Fritz <chf.fritz@googlemail.com>
 *
 * This driver is based on:
 *  - information from     http://euc.jp/periphs/xbox-controller.ja.html
 *  - the iForce driver    drivers/char/joystick/iforce.c
 *  - the skeleton-driver  drivers/usb/usb-skeleton.c
 *  - Xbox 360 information http://www.free60.org/wiki/Gamepad
 *  - Xbox One information https://github.com/quantus/xbox-one-controller-protocol
 *
 * Thanks to:
 *  - ITO Takayuki for providing essential xpad information on his website
 *  - Vojtech Pavlik     - iforce driver / input subsystem
 *  - Greg Kroah-Hartman - usb-skeleton driver
 *  - Xbox Linux project - extra USB IDs
 *  - Pekka Pöyry (quantus) - Xbox One controller reverse-engineering
 */

#include <linux/bits.h>
#include <linux/kernel.h>
#include <linux/input.h>
#include <linux/rcupdate.h>
#include <linux/slab.h>
#include <linux/stat.h>
#include <linux/module.h>
#include <linux/usb/input.h>
#include <linux/usb/quirks.h>

#define XPAD_PKT_LEN 64

/*
 * xbox d-pads should map to buttons, as is required for DDR pads
 * but we map them to axes when possible to simplify things
 */
#define MAP_DPAD_TO_BUTTONS             BIT(0)
#define MAP_TRIGGERS_TO_BUTTONS         BIT(1)
#define MAP_STICKS_TO_NULL              BIT(2)
#define MAP_SHARE_BUTTON                BIT(3)
#define MAP_PADDLES                     BIT(4)
#define MAP_PROFILE_BUTTON              BIT(5)
#define MAP_SHARE_OFFSET                BIT(6)

#define DANCEPAD_MAP_CONFIG     (MAP_DPAD_TO_BUTTONS |                  \
                                MAP_TRIGGERS_TO_BUTTONS | MAP_STICKS_TO_NULL)

#define XTYPE_XBOX        0
#define XTYPE_XBOX360     1
#define XTYPE_XBOX360W    2
#define XTYPE_XBOXONE     3
#define XTYPE_UNKNOWN     4

/* Send power-off packet to xpad360w after holding the mode button for this many
 * seconds
 */
#define XPAD360W_POWEROFF_TIMEOUT 5

#define PKT_XB              0
#define PKT_XBE1            1
#define PKT_XBE2_FW_OLD     2
#define PKT_XBE2_FW_5_EARLY 3
#define PKT_XBE2_FW_5_11    4

#define FLAG_DELAY_INIT BIT(0)

static bool dpad_to_buttons;
module_param(dpad_to_buttons, bool, S_IRUGO);
MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads");

static bool triggers_to_buttons;
module_param(triggers_to_buttons, bool, S_IRUGO);
MODULE_PARM_DESC(triggers_to_buttons, "Map triggers to buttons rather than axes for unknown pads");

static bool sticks_to_null;
module_param(sticks_to_null, bool, S_IRUGO);
MODULE_PARM_DESC(sticks_to_null, "Do not map sticks at all for unknown pads");

static bool auto_poweroff = true;
module_param(auto_poweroff, bool, S_IWUSR | S_IRUGO);
MODULE_PARM_DESC(auto_poweroff, "Power off wireless controllers on suspend");

static const struct xpad_device {
        u16 idVendor;
        u16 idProduct;
        char *name;
        u8 mapping;
        u8 xtype;
        u8 flags;
} xpad_device[] = {
        /* Please keep this list sorted by vendor and product ID. */
        { 0x0079, 0x18d4, "GPD Win 2 X-Box Controller", 0, XTYPE_XBOX360 },
        { 0x0351, 0x1000, "CRKD LP Blueberry Burst Pro Edition (Xbox)", 0, XTYPE_XBOX360 },
        { 0x0351, 0x2000, "CRKD LP Black Tribal Edition (Xbox) ", 0, XTYPE_XBOX360 },
        { 0x03eb, 0xff01, "Wooting One (Legacy)", 0, XTYPE_XBOX360 },
        { 0x03eb, 0xff02, "Wooting Two (Legacy)", 0, XTYPE_XBOX360 },
        { 0x03f0, 0x038D, "HyperX Clutch", 0, XTYPE_XBOX360 },                  /* wired */
        { 0x03f0, 0x048D, "HyperX Clutch", 0, XTYPE_XBOX360 },                  /* wireless */
        { 0x03f0, 0x0495, "HyperX Clutch Gladiate", 0, XTYPE_XBOXONE },
        { 0x03f0, 0x07A0, "HyperX Clutch Gladiate RGB", 0, XTYPE_XBOXONE },
        { 0x03f0, 0x08B6, "HyperX Clutch Gladiate", MAP_SHARE_BUTTON, XTYPE_XBOXONE },          /* v2 */
        { 0x03f0, 0x09B4, "HyperX Clutch Tanto", 0, XTYPE_XBOXONE },
        { 0x044f, 0x0f00, "Thrustmaster Wheel", 0, XTYPE_XBOX },
        { 0x044f, 0x0f03, "Thrustmaster Wheel", 0, XTYPE_XBOX },
        { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
        { 0x044f, 0x0f10, "Thrustmaster Modena GT Wheel", 0, XTYPE_XBOX },
        { 0x044f, 0xb326, "Thrustmaster Gamepad GP XID", 0, XTYPE_XBOX360 },
        { 0x044f, 0xd01e, "ThrustMaster, Inc. ESWAP X 2 ELDEN RING EDITION", 0, XTYPE_XBOXONE },
        { 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", 0, XTYPE_XBOX },
        { 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", 0, XTYPE_XBOX },
        { 0x045e, 0x0287, "Microsoft Xbox Controller S", 0, XTYPE_XBOX },
        { 0x045e, 0x0288, "Microsoft Xbox Controller S v2", 0, XTYPE_XBOX },
        { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", 0, XTYPE_XBOX },
        { 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 },
        { 0x045e, 0x028f, "Microsoft X-Box 360 pad v2", 0, XTYPE_XBOX360 },
        { 0x045e, 0x0291, "Xbox 360 Wireless Receiver (XBOX)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
        { 0x045e, 0x02a9, "Xbox 360 Wireless Receiver (Unofficial)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
        { 0x045e, 0x02d1, "Microsoft X-Box One pad", 0, XTYPE_XBOXONE },
        { 0x045e, 0x02dd, "Microsoft X-Box One pad (Firmware 2015)", 0, XTYPE_XBOXONE },
        { 0x045e, 0x02e3, "Microsoft X-Box One Elite pad", MAP_PADDLES, XTYPE_XBOXONE },
        { 0x045e, 0x02ea, "Microsoft X-Box One S pad", 0, XTYPE_XBOXONE },
        { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
        { 0x045e, 0x0b00, "Microsoft X-Box One Elite 2 pad", MAP_PADDLES, XTYPE_XBOXONE },
        { 0x045e, 0x0b0a, "Microsoft X-Box Adaptive Controller", MAP_PROFILE_BUTTON, XTYPE_XBOXONE },
        { 0x045e, 0x0b12, "Microsoft Xbox Series S|X Controller", MAP_SHARE_BUTTON | MAP_SHARE_OFFSET, XTYPE_XBOXONE },
        { 0x046d, 0xc21d, "Logitech Gamepad F310", 0, XTYPE_XBOX360 },
        { 0x046d, 0xc21e, "Logitech Gamepad F510", 0, XTYPE_XBOX360 },
        { 0x046d, 0xc21f, "Logitech Gamepad F710", 0, XTYPE_XBOX360 },
        { 0x046d, 0xc242, "Logitech Chillstream Controller", 0, XTYPE_XBOX360 },
        { 0x046d, 0xca84, "Logitech Xbox Cordless Controller", 0, XTYPE_XBOX },
        { 0x046d, 0xca88, "Logitech Compact Controller for Xbox", 0, XTYPE_XBOX },
        { 0x046d, 0xca8a, "Logitech Precision Vibration Feedback Wheel", 0, XTYPE_XBOX },
        { 0x046d, 0xcaa3, "Logitech DriveFx Racing Wheel", 0, XTYPE_XBOX360 },
        { 0x0502, 0x1305, "Acer NGR200", 0, XTYPE_XBOX360 },
        { 0x056e, 0x2004, "Elecom JC-U3613M", 0, XTYPE_XBOX360 },
        { 0x05fd, 0x1007, "Mad Catz Controller (unverified)", 0, XTYPE_XBOX },
        { 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", 0, XTYPE_XBOX },
        { 0x05fe, 0x3030, "Chic Controller", 0, XTYPE_XBOX },
        { 0x05fe, 0x3031, "Chic Controller", 0, XTYPE_XBOX },
        { 0x062a, 0x0020, "Logic3 Xbox GamePad", 0, XTYPE_XBOX },
        { 0x062a, 0x0033, "Competition Pro Steering Wheel", 0, XTYPE_XBOX },
        { 0x06a3, 0x0200, "Saitek Racing Wheel", 0, XTYPE_XBOX },
        { 0x06a3, 0x0201, "Saitek Adrenalin", 0, XTYPE_XBOX },
        { 0x06a3, 0xf51a, "Saitek P3600", 0, XTYPE_XBOX360 },
        { 0x0738, 0x4503, "Mad Catz Racing Wheel", 0, XTYPE_XBOXONE },
        { 0x0738, 0x4506, "Mad Catz 4506 Wireless Controller", 0, XTYPE_XBOX },
        { 0x0738, 0x4516, "Mad Catz Control Pad", 0, XTYPE_XBOX },
        { 0x0738, 0x4520, "Mad Catz Control Pad Pro", 0, XTYPE_XBOX },
        { 0x0738, 0x4522, "Mad Catz LumiCON", 0, XTYPE_XBOX },
        { 0x0738, 0x4526, "Mad Catz Control Pad Pro", 0, XTYPE_XBOX },
        { 0x0738, 0x4530, "Mad Catz Universal MC2 Racing Wheel and Pedals", 0, XTYPE_XBOX },
        { 0x0738, 0x4536, "Mad Catz MicroCON", 0, XTYPE_XBOX },
        { 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
        { 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", 0, XTYPE_XBOX },
        { 0x0738, 0x4586, "Mad Catz MicroCon Wireless Controller", 0, XTYPE_XBOX },
        { 0x0738, 0x4588, "Mad Catz Blaster", 0, XTYPE_XBOX },
        { 0x0738, 0x45ff, "Mad Catz Beat Pad (w/ Handle)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
        { 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
        { 0x0738, 0x4718, "Mad Catz Street Fighter IV FightStick SE", 0, XTYPE_XBOX360 },
        { 0x0738, 0x4726, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 },
        { 0x0738, 0x4728, "Mad Catz Street Fighter IV FightPad", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x0738, 0x4736, "Mad Catz MicroCon Gamepad", 0, XTYPE_XBOX360 },
        { 0x0738, 0x4738, "Mad Catz Wired Xbox 360 Controller (SFIV)", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x0738, 0x4740, "Mad Catz Beat Pad", 0, XTYPE_XBOX360 },
        { 0x0738, 0x4743, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
        { 0x0738, 0x4758, "Mad Catz Arcade Game Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x0738, 0x4a01, "Mad Catz FightStick TE 2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
        { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
        { 0x0738, 0x9871, "Mad Catz Portable Drum", 0, XTYPE_XBOX360 },
        { 0x0738, 0xb726, "Mad Catz Xbox controller - MW2", 0, XTYPE_XBOX360 },
        { 0x0738, 0xb738, "Mad Catz MVC2TE Stick 2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x0738, 0xbeef, "Mad Catz JOYTECH NEO SE Advanced GamePad", 0, XTYPE_XBOX360 },
        { 0x0738, 0xcb02, "Saitek Cyborg Rumble Pad - PC/Xbox 360", 0, XTYPE_XBOX360 },
        { 0x0738, 0xcb03, "Saitek P3200 Rumble Pad - PC/Xbox 360", 0, XTYPE_XBOX360 },
        { 0x0738, 0xcb29, "Saitek Aviator Stick AV8R02", 0, XTYPE_XBOX360 },
        { 0x0738, 0xf738, "Super SFIV FightStick TE S", 0, XTYPE_XBOX360 },
        { 0x07ff, 0xffff, "Mad Catz GamePad", 0, XTYPE_XBOX360 },
        { 0x0b05, 0x1a38, "ASUS ROG RAIKIRI", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x0b05, 0x1abb, "ASUS ROG RAIKIRI PRO", 0, XTYPE_XBOXONE },
        { 0x0b05, 0x1c91, "ASUS ROG RAIKIRI II", 0, XTYPE_XBOX360 },
        { 0x0b05, 0x1c92, "ASUS ROG RAIKIRI II WIRELESS", 0, XTYPE_XBOX360 },
        { 0x0b05, 0x1c96, "ASUS ROG RAIKIRI II XBOX", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x0b05, 0x1d04, "ASUS ROG RAIKIRI II XBOX WIRELESS", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x0c12, 0x0005, "Intec wireless", 0, XTYPE_XBOX },
        { 0x0c12, 0x8801, "Nyko Xbox Controller", 0, XTYPE_XBOX },
        { 0x0c12, 0x8802, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
        { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", DANCEPAD_MAP_CONFIG, XTYPE_XBOX },
        { 0x0c12, 0x880a, "Pelican Eclipse PL-2023", 0, XTYPE_XBOX },
        { 0x0c12, 0x8810, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
        { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX },
        { 0x0d2f, 0x0002, "Andamiro Pump It Up pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
        { 0x0db0, 0x1901, "Micro Star International Xbox360 Controller for Windows", 0, XTYPE_XBOX360 },
        { 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX },
        { 0x0e4c, 0x1103, "Radica Gamester Reflex", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX },
        { 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX },
        { 0x0e4c, 0x3510, "Radica Gamester", 0, XTYPE_XBOX },
        { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", 0, XTYPE_XBOX },
        { 0x0e6f, 0x0005, "Eclipse wireless Controller", 0, XTYPE_XBOX },
        { 0x0e6f, 0x0006, "Edge wireless Controller", 0, XTYPE_XBOX },
        { 0x0e6f, 0x0008, "After Glow Pro Controller", 0, XTYPE_XBOX },
        { 0x0e6f, 0x0105, "HSM3 Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x0e6f, 0x0113, "Afterglow AX.1 Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0x011f, "Rock Candy Gamepad Wired Controller", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0x0131, "PDP EA Sports Controller", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0x0133, "Xbox 360 Wired Controller", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0x0139, "Afterglow Prismatic Wired Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x013a, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x0146, "Rock Candy Wired Controller for Xbox One", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x0147, "PDP Marvel Xbox One Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x015c, "PDP Xbox One Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
        { 0x0e6f, 0x015d, "PDP Mirror's Edge Official Wired Controller for Xbox One", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x0161, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x0162, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x0163, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x0164, "PDP Battlefield One", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x0165, "PDP Titanfall 2", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x0201, "Pelican PL-3601 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0x0213, "Afterglow Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0x021f, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0x0246, "Rock Candy Gamepad for Xbox One 2015", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x02a0, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x02a1, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x02a2, "PDP Wired Controller for Xbox One - Crimson Red", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x02a4, "PDP Wired Controller for Xbox One - Stealth Series", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x02a6, "PDP Wired Controller for Xbox One - Camo Series", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x02a7, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x02a8, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x02ab, "PDP Controller for Xbox One", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x02ad, "PDP Wired Controller for Xbox One - Stealth Series", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x02b3, "Afterglow Prismatic Wired Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x02b8, "Afterglow Prismatic Wired Controller", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0x0346, "Rock Candy Gamepad for Xbox One 2016", 0, XTYPE_XBOXONE },
        { 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0x0413, "Afterglow AX.1 Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0x0501, "PDP Xbox 360 Controller", 0, XTYPE_XBOX360 },
        { 0x0e6f, 0xf900, "PDP Afterglow AX.1", 0, XTYPE_XBOX360 },
        { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", 0, XTYPE_XBOX },
        { 0x0e8f, 0x3008, "Generic xbox control (dealextreme)", 0, XTYPE_XBOX },
        { 0x0f0d, 0x000a, "Hori Co. DOA4 FightStick", 0, XTYPE_XBOX360 },
        { 0x0f0d, 0x000c, "Hori PadEX Turbo", 0, XTYPE_XBOX360 },
        { 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x0f0d, 0x001b, "Hori Real Arcade Pro VX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x0f0d, 0x0063, "Hori Real Arcade Pro Hayabusa (USA) Xbox One", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
        { 0x0f0d, 0x0067, "HORIPAD ONE", 0, XTYPE_XBOXONE },
        { 0x0f0d, 0x0078, "Hori Real Arcade Pro V Kai Xbox One", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
        { 0x0f0d, 0x00c5, "Hori Fighting Commander ONE", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
        { 0x0f0d, 0x00dc, "HORIPAD FPS for Nintendo Switch", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x0f0d, 0x0151, "Hori Racing Wheel Overdrive for Xbox Series X", 0, XTYPE_XBOXONE },
        { 0x0f0d, 0x0152, "Hori Racing Wheel Overdrive for Xbox Series X", 0, XTYPE_XBOXONE },
        { 0x0f0d, 0x01b2, "HORI Taiko No Tatsujin Drum Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x0f30, 0x010b, "Philips Recoil", 0, XTYPE_XBOX },
        { 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX },
        { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX },
        { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", 0, XTYPE_XBOX },
        { 0x1038, 0x1430, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 },
        { 0x1038, 0x1431, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 },
        { 0x10f5, 0x7005, "Turtle Beach Recon Controller", 0, XTYPE_XBOXONE },
        { 0x10f5, 0x7008, "Turtle Beach Recon Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x10f5, 0x7073, "Turtle Beach Stealth Ultra Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x11c9, 0x55f0, "Nacon GC-100XF", 0, XTYPE_XBOX360 },
        { 0x11ff, 0x0511, "PXN V900", 0, XTYPE_XBOX360 },
        { 0x1209, 0x2882, "Ardwiino Controller", 0, XTYPE_XBOX360 },
        { 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x12ab, 0x0301, "PDP AFTERGLOW AX.1", 0, XTYPE_XBOX360 },
        { 0x12ab, 0x0303, "Mortal Kombat Klassic FightStick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
        { 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", 0, XTYPE_XBOX360 },
        { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
        { 0x1430, 0xf801, "RedOctane Controller", 0, XTYPE_XBOX360 },
        { 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 },
        { 0x146b, 0x0604, "Bigben Interactive DAIJA Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1532, 0x0a00, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
        { 0x1532, 0x0a03, "Razer Wildcat", 0, XTYPE_XBOXONE },
        { 0x1532, 0x0a29, "Razer Wolverine V2", 0, XTYPE_XBOXONE },
        { 0x1532, 0x0a57, "Razer Wolverine V3 Pro (Wired)", 0, XTYPE_XBOX360 },
        { 0x1532, 0x0a59, "Razer Wolverine V3 Pro (2.4 GHz Dongle)", 0, XTYPE_XBOX360 },
        { 0x15e4, 0x3f00, "Power A Mini Pro Elite", 0, XTYPE_XBOX360 },
        { 0x15e4, 0x3f0a, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 },
        { 0x15e4, 0x3f10, "Batarang Xbox 360 controller", 0, XTYPE_XBOX360 },
        { 0x162e, 0xbeef, "Joytech Neo-Se Take2", 0, XTYPE_XBOX360 },
        { 0x1689, 0xfd00, "Razer Onza Tournament Edition", 0, XTYPE_XBOX360 },
        { 0x1689, 0xfd01, "Razer Onza Classic Edition", 0, XTYPE_XBOX360 },
        { 0x1689, 0xfe00, "Razer Sabertooth", 0, XTYPE_XBOX360 },
        { 0x17ef, 0x6182, "Lenovo Legion Controller for Windows", 0, XTYPE_XBOX360 },
        { 0x1949, 0x041a, "Amazon Game Controller", 0, XTYPE_XBOX360 },
        { 0x1a86, 0xe310, "Legion Go S", 0, XTYPE_XBOX360 },
        { 0x1bad, 0x0002, "Harmonix Rock Band Guitar", 0, XTYPE_XBOX360 },
        { 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0x0130, "Ion Drum Rocker", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf016, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf018, "Mad Catz Street Fighter IV SE Fighting Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf019, "Mad Catz Brawlstick for Xbox 360", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf021, "Mad Cats Ghost Recon FS GamePad", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf023, "MLG Pro Circuit Controller (Xbox)", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf025, "Mad Catz Call Of Duty", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf027, "Mad Catz FPS Pro", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf028, "Street Fighter IV FightPad", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf02e, "Mad Catz Fightpad", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf030, "Mad Catz Xbox 360 MC2 MicroCon Racing Wheel", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf036, "Mad Catz MicroCon GamePad Pro", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf038, "Street Fighter IV FightStick TE", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf039, "Mad Catz MvC2 TE", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf03a, "Mad Catz SFxT Fightstick Pro", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf03d, "Street Fighter IV Arcade Stick TE - Chun Li", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf03e, "Mad Catz MLG FightStick TE", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf03f, "Mad Catz FightStick SoulCaliber", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf042, "Mad Catz FightStick TES+", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf080, "Mad Catz FightStick TE2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf501, "HoriPad EX2 Turbo", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf502, "Hori Real Arcade Pro.VX SA", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf503, "Hori Fighting Stick VX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf504, "Hori Real Arcade Pro. EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf505, "Hori Fighting Stick EX2B", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xf506, "Hori Real Arcade Pro.EX Premium VLX", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf900, "Harmonix Xbox 360 Controller", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf901, "Gamestop Xbox 360 Controller", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf903, "Tron Xbox 360 controller", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf904, "PDP Versus Fighting Pad", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xf906, "MortalKombat FightStick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x1bad, 0xfa01, "MadCatz GamePad", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xfd00, "Razer Onza TE", 0, XTYPE_XBOX360 },
        { 0x1bad, 0xfd01, "Razer Onza", 0, XTYPE_XBOX360 },
        { 0x1ee9, 0x1590, "ZOTAC Gaming Zone", 0, XTYPE_XBOX360 },
        { 0x20bc, 0x5134, "BETOP BTP-KP50B Xinput Dongle", 0, XTYPE_XBOX360 },
        { 0x20bc, 0x514a, "BETOP BTP-KP50C Xinput Dongle", 0, XTYPE_XBOX360 },
        { 0x20d6, 0x2001, "BDA Xbox Series X Wired Controller", 0, XTYPE_XBOXONE },
        { 0x20d6, 0x2009, "PowerA Enhanced Wired Controller for Xbox Series X|S", 0, XTYPE_XBOXONE },
        { 0x20d6, 0x2064, "PowerA Wired Controller for Xbox", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x20d6, 0x281f, "PowerA Wired Controller For Xbox 360", 0, XTYPE_XBOX360 },
        { 0x20d6, 0x400b, "PowerA FUSION Pro 4 Wired Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x20d6, 0x890b, "PowerA MOGA XP-Ultra Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x2345, 0xe00b, "Machenike G5 Pro Controller", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x5000, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x24c6, 0x5300, "PowerA MINI PROEX Controller", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x5303, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x530a, "Xbox 360 Pro EX Controller", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x531a, "PowerA Pro Ex", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x5397, "FUS1ON Tournament Controller", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x541a, "PowerA Xbox One Mini Wired Controller", 0, XTYPE_XBOXONE },
        { 0x24c6, 0x542a, "Xbox ONE spectra", 0, XTYPE_XBOXONE },
        { 0x24c6, 0x543a, "PowerA Xbox One wired controller", 0, XTYPE_XBOXONE },
        { 0x24c6, 0x5500, "Hori XBOX 360 EX 2 with Turbo", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x5501, "Hori Real Arcade Pro VX-SA", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x5502, "Hori Fighting Stick VX Alt", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x24c6, 0x5503, "Hori Fighting Edge", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x24c6, 0x5506, "Hori SOULCALIBUR V Stick", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x550d, "Hori GEM Xbox controller", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x550e, "Hori Real Arcade Pro V Kai 360", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x24c6, 0x5510, "Hori Fighting Commander ONE (Xbox 360/PC Mode)", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
        { 0x24c6, 0x551a, "PowerA FUSION Pro Controller", 0, XTYPE_XBOXONE },
        { 0x24c6, 0x561a, "PowerA FUSION Controller", 0, XTYPE_XBOXONE },
        { 0x24c6, 0x581a, "ThrustMaster XB1 Classic Controller", 0, XTYPE_XBOXONE },
        { 0x24c6, 0x5b00, "ThrustMaster Ferrari 458 Racing Wheel", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x5b02, "Thrustmaster, Inc. GPX Controller", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x5b03, "Thrustmaster Ferrari 458 Racing Wheel", 0, XTYPE_XBOX360 },
        { 0x24c6, 0x5d04, "Razer Sabertooth", 0, XTYPE_XBOX360 },
        { 0x24c6, 0xfafe, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
        { 0x2563, 0x058d, "OneXPlayer Gamepad", 0, XTYPE_XBOX360 },
        { 0x294b, 0x3303, "Snakebyte GAMEPAD BASE X", 0, XTYPE_XBOXONE },
        { 0x294b, 0x3404, "Snakebyte GAMEPAD RGB X", 0, XTYPE_XBOXONE },
        { 0x2993, 0x2001, "TECNO Pocket Go", 0, XTYPE_XBOX360 },
        { 0x2dc8, 0x2000, "8BitDo Pro 2 Wired Controller fox Xbox", 0, XTYPE_XBOXONE },
        { 0x2dc8, 0x200f, "8BitDo Ultimate 3-mode Controller for Xbox", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x2dc8, 0x3106, "8BitDo Ultimate Wireless / Pro 2 Wired Controller", 0, XTYPE_XBOX360 },
        { 0x2dc8, 0x3109, "8BitDo Ultimate Wireless Bluetooth", 0, XTYPE_XBOX360 },
        { 0x2dc8, 0x310a, "8BitDo Ultimate 2C Wireless Controller", 0, XTYPE_XBOX360 },
        { 0x2dc8, 0x310b, "8BitDo Ultimate 2 Wireless Controller", 0, XTYPE_XBOX360 },
        { 0x2dc8, 0x6001, "8BitDo SN30 Pro", 0, XTYPE_XBOX360 },
        { 0x2e24, 0x0423, "Hyperkin DuchesS Xbox One pad", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x2e24, 0x0652, "Hyperkin Duke X-Box One pad", 0, XTYPE_XBOXONE },
        { 0x2e24, 0x1688, "Hyperkin X91 X-Box One pad", 0, XTYPE_XBOXONE },
        { 0x2e95, 0x0504, "SCUF Gaming Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
        { 0x31e3, 0x1100, "Wooting One", 0, XTYPE_XBOX360 },
        { 0x31e3, 0x1200, "Wooting Two", 0, XTYPE_XBOX360 },
        { 0x31e3, 0x1210, "Wooting Lekker", 0, XTYPE_XBOX360 },
        { 0x31e3, 0x1220, "Wooting Two HE", 0, XTYPE_XBOX360 },
        { 0x31e3, 0x1230, "Wooting Two HE (ARM)", 0, XTYPE_XBOX360 },
        { 0x31e3, 0x1300, "Wooting 60HE (AVR)", 0, XTYPE_XBOX360 },
        { 0x31e3, 0x1310, "Wooting 60HE (ARM)", 0, XTYPE_XBOX360 },
        { 0x3285, 0x0603, "Nacon Pro Compact controller for Xbox", 0, XTYPE_XBOXONE },
        { 0x3285, 0x0607, "Nacon GC-100", 0, XTYPE_XBOX360 },
        { 0x3285, 0x0614, "Nacon Pro Compact", 0, XTYPE_XBOXONE },
        { 0x3285, 0x0646, "Nacon Pro Compact", 0, XTYPE_XBOXONE },
        { 0x3285, 0x0662, "Nacon Revolution5 Pro", 0, XTYPE_XBOX360 },
        { 0x3285, 0x0663, "Nacon Evol-X", 0, XTYPE_XBOXONE },
        { 0x3537, 0x1004, "GameSir T4 Kaleid", 0, XTYPE_XBOX360 },
        { 0x3537, 0x100f, "GameSir Nova 2 Lite", 0, XTYPE_XBOX360 },
        { 0x3537, 0x1010, "GameSir G7 SE", 0, XTYPE_XBOXONE },
        { 0x3651, 0x1000, "CRKD SG", 0, XTYPE_XBOX360 },
        { 0x366c, 0x0005, "ByoWave Proteus Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE, FLAG_DELAY_INIT },
        { 0x3767, 0x0101, "Fanatec Speedster 3 Forceshock Wheel", 0, XTYPE_XBOX },
        { 0x37d7, 0x2501, "Flydigi Apex 5", 0, XTYPE_XBOX360 },
        { 0x413d, 0x2104, "Black Shark Green Ghost Gamepad", 0, XTYPE_XBOX360 },
        { 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX },
        { 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN }
};

/* buttons shared with xbox and xbox360 */
static const signed short xpad_common_btn[] = {
        BTN_A, BTN_B, BTN_X, BTN_Y,                     /* "analog" buttons */
        BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR,  /* start/back/sticks */
        -1                                              /* terminating entry */
};

/* original xbox controllers only */
static const signed short xpad_btn[] = {
        BTN_C, BTN_Z,           /* "analog" buttons */
        -1                      /* terminating entry */
};

/* used when dpad is mapped to buttons */
static const signed short xpad_btn_pad[] = {
        BTN_DPAD_LEFT, BTN_DPAD_RIGHT,  /* d-pad left, right */
        BTN_DPAD_UP, BTN_DPAD_DOWN,     /* d-pad up, down */
        -1                              /* terminating entry */
};

/* used when triggers are mapped to buttons */
static const signed short xpad_btn_triggers[] = {
        BTN_TL2, BTN_TR2,               /* triggers left/right */
        -1
};

static const signed short xpad360_btn[] = {  /* buttons for x360 controller */
        BTN_TL, BTN_TR,         /* Button LB/RB */
        BTN_MODE,               /* The big X button */
        -1
};

static const signed short xpad_abs[] = {
        ABS_X, ABS_Y,           /* left stick */
        ABS_RX, ABS_RY,         /* right stick */
        -1                      /* terminating entry */
};

/* used when dpad is mapped to axes */
static const signed short xpad_abs_pad[] = {
        ABS_HAT0X, ABS_HAT0Y,   /* d-pad axes */
        -1                      /* terminating entry */
};

/* used when triggers are mapped to axes */
static const signed short xpad_abs_triggers[] = {
        ABS_Z, ABS_RZ,          /* triggers left/right */
        -1
};

/* used when the controller has extra paddle buttons */
static const signed short xpad_btn_paddles[] = {
        BTN_GRIPR, BTN_GRIPR2, /* paddle upper right, lower right */
        BTN_GRIPL, BTN_GRIPL2, /* paddle upper left, lower left */
        -1                                              /* terminating entry */
};

/*
 * Xbox 360 has a vendor-specific class, so we cannot match it with only
 * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we
 * match against vendor id as well. Wired Xbox 360 devices have protocol 1,
 * wireless controllers have protocol 129.
 */
#define XPAD_XBOX360_VENDOR_PROTOCOL(vend, pr) \
        .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \
        .idVendor = (vend), \
        .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
        .bInterfaceSubClass = 93, \
        .bInterfaceProtocol = (pr)
#define XPAD_XBOX360_VENDOR(vend) \
        { XPAD_XBOX360_VENDOR_PROTOCOL((vend), 1) }, \
        { XPAD_XBOX360_VENDOR_PROTOCOL((vend), 129) }

/* The Xbox One controller uses subclass 71 and protocol 208. */
#define XPAD_XBOXONE_VENDOR_PROTOCOL(vend, pr) \
        .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \
        .idVendor = (vend), \
        .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
        .bInterfaceSubClass = 71, \
        .bInterfaceProtocol = (pr)
#define XPAD_XBOXONE_VENDOR(vend) \
        { XPAD_XBOXONE_VENDOR_PROTOCOL((vend), 208) }

static const struct usb_device_id xpad_table[] = {
        /*
         * Please keep this list sorted by vendor ID. Note that there are 2
         * macros - XPAD_XBOX360_VENDOR and XPAD_XBOXONE_VENDOR.
         */
        { USB_INTERFACE_INFO('X', 'B', 0) },    /* Xbox USB-IF not-approved class */
        XPAD_XBOX360_VENDOR(0x0079),            /* GPD Win 2 controller */
        XPAD_XBOX360_VENDOR(0x0351),            /* CRKD Controllers */
        XPAD_XBOX360_VENDOR(0x03eb),            /* Wooting Keyboards (Legacy) */
        XPAD_XBOX360_VENDOR(0x03f0),            /* HP HyperX Xbox 360 controllers */
        XPAD_XBOXONE_VENDOR(0x03f0),            /* HP HyperX Xbox One controllers */
        XPAD_XBOX360_VENDOR(0x044f),            /* Thrustmaster Xbox 360 controllers */
        XPAD_XBOXONE_VENDOR(0x044f),            /* Thrustmaster Xbox One controllers */
        XPAD_XBOX360_VENDOR(0x045e),            /* Microsoft Xbox 360 controllers */
        XPAD_XBOXONE_VENDOR(0x045e),            /* Microsoft Xbox One controllers */
        XPAD_XBOX360_VENDOR(0x046d),            /* Logitech Xbox 360-style controllers */
        XPAD_XBOX360_VENDOR(0x0502),            /* Acer Inc. Xbox 360 style controllers */
        XPAD_XBOX360_VENDOR(0x056e),            /* Elecom JC-U3613M */
        XPAD_XBOX360_VENDOR(0x06a3),            /* Saitek P3600 */
        XPAD_XBOX360_VENDOR(0x0738),            /* Mad Catz Xbox 360 controllers */
        { USB_DEVICE(0x0738, 0x4540) },         /* Mad Catz Beat Pad */
        XPAD_XBOXONE_VENDOR(0x0738),            /* Mad Catz FightStick TE 2 */
        XPAD_XBOX360_VENDOR(0x07ff),            /* Mad Catz Gamepad */
        XPAD_XBOX360_VENDOR(0x0b05),            /* ASUS controllers */
        XPAD_XBOXONE_VENDOR(0x0b05),            /* ASUS controllers */
        XPAD_XBOX360_VENDOR(0x0c12),            /* Zeroplus X-Box 360 controllers */
        XPAD_XBOX360_VENDOR(0x0db0),            /* Micro Star International X-Box 360 controllers */
        XPAD_XBOX360_VENDOR(0x0e6f),            /* 0x0e6f Xbox 360 controllers */
        XPAD_XBOXONE_VENDOR(0x0e6f),            /* 0x0e6f Xbox One controllers */
        XPAD_XBOX360_VENDOR(0x0f0d),            /* Hori controllers */
        XPAD_XBOXONE_VENDOR(0x0f0d),            /* Hori controllers */
        XPAD_XBOX360_VENDOR(0x1038),            /* SteelSeries controllers */
        XPAD_XBOXONE_VENDOR(0x10f5),            /* Turtle Beach Controllers */
        XPAD_XBOX360_VENDOR(0x11c9),            /* Nacon GC100XF */
        XPAD_XBOX360_VENDOR(0x11ff),            /* PXN V900 */
        XPAD_XBOX360_VENDOR(0x1209),            /* Ardwiino Controllers */
        XPAD_XBOX360_VENDOR(0x12ab),            /* Xbox 360 dance pads */
        XPAD_XBOX360_VENDOR(0x1430),            /* RedOctane Xbox 360 controllers */
        XPAD_XBOX360_VENDOR(0x146b),            /* Bigben Interactive controllers */
        XPAD_XBOX360_VENDOR(0x1532),            /* Razer Sabertooth */
        XPAD_XBOXONE_VENDOR(0x1532),            /* Razer Wildcat */
        XPAD_XBOX360_VENDOR(0x15e4),            /* Numark Xbox 360 controllers */
        XPAD_XBOX360_VENDOR(0x162e),            /* Joytech Xbox 360 controllers */
        XPAD_XBOX360_VENDOR(0x1689),            /* Razer Onza */
        XPAD_XBOX360_VENDOR(0x17ef),            /* Lenovo */
        XPAD_XBOX360_VENDOR(0x1949),            /* Amazon controllers */
        XPAD_XBOX360_VENDOR(0x1a86),            /* Nanjing Qinheng Microelectronics (WCH) */
        XPAD_XBOX360_VENDOR(0x1bad),            /* Harmonix Rock Band guitar and drums */
        XPAD_XBOX360_VENDOR(0x1ee9),            /* ZOTAC Technology Limited */
        XPAD_XBOX360_VENDOR(0x20bc),            /* BETOP wireless dongles */
        XPAD_XBOX360_VENDOR(0x20d6),            /* PowerA controllers */
        XPAD_XBOXONE_VENDOR(0x20d6),            /* PowerA controllers */
        XPAD_XBOX360_VENDOR(0x2345),            /* Machenike Controllers */
        XPAD_XBOX360_VENDOR(0x24c6),            /* PowerA controllers */
        XPAD_XBOXONE_VENDOR(0x24c6),            /* PowerA controllers */
        XPAD_XBOX360_VENDOR(0x2563),            /* OneXPlayer Gamepad */
        XPAD_XBOX360_VENDOR(0x260d),            /* Dareu H101 */
        XPAD_XBOXONE_VENDOR(0x294b),            /* Snakebyte */
        XPAD_XBOX360_VENDOR(0x2993),            /* TECNO Mobile */
        XPAD_XBOX360_VENDOR(0x2c22),            /* Qanba Controllers */
        XPAD_XBOX360_VENDOR(0x2dc8),            /* 8BitDo Controllers */
        XPAD_XBOXONE_VENDOR(0x2dc8),            /* 8BitDo Controllers */
        XPAD_XBOXONE_VENDOR(0x2e24),            /* Hyperkin Controllers */
        XPAD_XBOX360_VENDOR(0x2f24),            /* GameSir Controllers */
        XPAD_XBOXONE_VENDOR(0x2e95),            /* SCUF Gaming Controller */
        XPAD_XBOX360_VENDOR(0x31e3),            /* Wooting Keyboards */
        XPAD_XBOX360_VENDOR(0x3285),            /* Nacon GC-100 */
        XPAD_XBOXONE_VENDOR(0x3285),            /* Nacon Evol-X */
        XPAD_XBOX360_VENDOR(0x3537),            /* GameSir Controllers */
        XPAD_XBOXONE_VENDOR(0x3537),            /* GameSir Controllers */
        XPAD_XBOX360_VENDOR(0x3651),            /* CRKD Controllers */
        XPAD_XBOXONE_VENDOR(0x366c),            /* ByoWave controllers */
        XPAD_XBOX360_VENDOR(0x37d7),            /* Flydigi Controllers */
        XPAD_XBOX360_VENDOR(0x3958),            /* RedOctane Games Controllers */
        XPAD_XBOX360_VENDOR(0x413d),            /* Black Shark Green Ghost Controller */
        { }
};

MODULE_DEVICE_TABLE(usb, xpad_table);

struct xboxone_init_packet {
        u16 idVendor;
        u16 idProduct;
        const u8 *data;
        u8 len;
};

#define XBOXONE_INIT_PKT(_vid, _pid, _data)             \
        {                                               \
                .idVendor       = (_vid),               \
                .idProduct      = (_pid),               \
                .data           = (_data),              \
                .len            = ARRAY_SIZE(_data),    \
        }

/*
 * starting with xbox one, the game input protocol is used
 * magic numbers are taken from
 * - https://github.com/xpadneo/gip-dissector/blob/main/src/gip-dissector.lua
 * - https://github.com/medusalix/xone/blob/master/bus/protocol.c
 */
#define GIP_CMD_ACK      0x01
#define GIP_CMD_ANNOUNCE 0x02
#define GIP_CMD_IDENTIFY 0x04
#define GIP_CMD_POWER    0x05
#define GIP_CMD_AUTHENTICATE 0x06
#define GIP_CMD_VIRTUAL_KEY  0x07
#define GIP_CMD_RUMBLE   0x09
#define GIP_CMD_LED      0x0a
#define GIP_CMD_FIRMWARE 0x0c
#define GIP_CMD_INPUT    0x20

#define GIP_SEQ0 0x00

#define GIP_OPT_ACK      0x10
#define GIP_OPT_INTERNAL 0x20

/*
 * length of the command payload encoded with
 * https://en.wikipedia.org/wiki/LEB128
 * which is a no-op for N < 128
 */
#define GIP_PL_LEN(N) (N)

/*
 * payload specific defines
 */
#define GIP_PWR_ON 0x00
#define GIP_LED_ON 0x01

#define GIP_MOTOR_R  BIT(0)
#define GIP_MOTOR_L  BIT(1)
#define GIP_MOTOR_RT BIT(2)
#define GIP_MOTOR_LT BIT(3)
#define GIP_MOTOR_ALL (GIP_MOTOR_R | GIP_MOTOR_L | GIP_MOTOR_RT | GIP_MOTOR_LT)

#define GIP_WIRED_INTF_DATA 0
#define GIP_WIRED_INTF_AUDIO 1

/*
 * This packet is required for all Xbox One pads with 2015
 * or later firmware installed (or present from the factory).
 */
static const u8 xboxone_power_on[] = {
        GIP_CMD_POWER, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(1), GIP_PWR_ON
};

/*
 * This packet is required for Xbox One S (0x045e:0x02ea)
 * and Xbox One Elite Series 2 (0x045e:0x0b00) pads to
 * initialize the controller that was previously used in
 * Bluetooth mode.
 */
static const u8 xboxone_s_init[] = {
        GIP_CMD_POWER, GIP_OPT_INTERNAL, GIP_SEQ0, 0x0f, 0x06
};

/*
 * This packet is required to get additional input data
 * from Xbox One Elite Series 2 (0x045e:0x0b00) pads.
 * We mostly do this right now to get paddle data
 */
static const u8 extra_input_packet_init[] = {
        0x4d, 0x10, 0x01, 0x02, 0x07, 0x00
};

/*
 * This packet is required for the Titanfall 2 Xbox One pads
 * (0x0e6f:0x0165) to finish initialization and for Hori pads
 * (0x0f0d:0x0067) to make the analog sticks work.
 */
static const u8 xboxone_hori_ack_id[] = {
        GIP_CMD_ACK, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(9),
        0x00, GIP_CMD_IDENTIFY, GIP_OPT_INTERNAL, 0x3a, 0x00, 0x00, 0x00, 0x80, 0x00
};

/*
 * This packet is sent by default on Windows, and is required for some pads to
 * start sending input reports, including most (all?) of the PDP. These pads
 * include: (0x0e6f:0x02ab), (0x0e6f:0x02a4), (0x0e6f:0x02a6).
 */
static const u8 xboxone_led_on[] = { GIP_CMD_LED, GIP_OPT_INTERNAL, GIP_SEQ0,
GIP_PL_LEN(3), 0x00, GIP_LED_ON, 0x14 };

/*
 * This packet is required for most (all?) of the PDP pads to start
 * sending input reports. These pads include: (0x0e6f:0x02ab),
 * (0x0e6f:0x02a4), (0x0e6f:0x02a6).
 */
static const u8 xboxone_auth_done[] = {
        GIP_CMD_AUTHENTICATE, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(2), 0x01, 0x00
};

/*
 * A specific rumble packet is required for some PowerA pads to start
 * sending input reports. One of those pads is (0x24c6:0x543a).
 */
static const u8 xboxone_rumblebegin_init[] = {
        GIP_CMD_RUMBLE, 0x00, GIP_SEQ0, GIP_PL_LEN(9),
        0x00, GIP_MOTOR_ALL, 0x00, 0x00, 0x1D, 0x1D, 0xFF, 0x00, 0x00
};

/*
 * A rumble packet with zero FF intensity will immediately
 * terminate the rumbling required to init PowerA pads.
 * This should happen fast enough that the motors don't
 * spin up to enough speed to actually vibrate the gamepad.
 */
static const u8 xboxone_rumbleend_init[] = {
        GIP_CMD_RUMBLE, 0x00, GIP_SEQ0, GIP_PL_LEN(9),
        0x00, GIP_MOTOR_ALL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};

/*
 * This specifies the selection of init packets that a gamepad
 * will be sent on init *and* the order in which they will be
 * sent. The correct sequence number will be added when the
 * packet is going to be sent.
 */
static const struct xboxone_init_packet xboxone_init_packets[] = {
        XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_ack_id),
        XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_ack_id),
        XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_power_on),
        XBOXONE_INIT_PKT(0x045e, 0x02ea, xboxone_s_init),
        XBOXONE_INIT_PKT(0x045e, 0x0b00, xboxone_s_init),
        XBOXONE_INIT_PKT(0x045e, 0x0b00, extra_input_packet_init),
        XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_led_on),
        XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_auth_done),
        XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
        XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init),
        XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init),
        XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumbleend_init),
        XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumbleend_init),
        XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumbleend_init),
};

struct xpad_output_packet {
        u8 data[XPAD_PKT_LEN];
        u8 len;
        bool pending;
};

#define XPAD_OUT_CMD_IDX        0
#define XPAD_OUT_FF_IDX         1
#define XPAD_OUT_LED_IDX        (1 + IS_ENABLED(CONFIG_JOYSTICK_XPAD_FF))
#define XPAD_NUM_OUT_PACKETS    (1 + \
                                 IS_ENABLED(CONFIG_JOYSTICK_XPAD_FF) + \
                                 IS_ENABLED(CONFIG_JOYSTICK_XPAD_LEDS))

struct usb_xpad {
        struct input_dev *dev;          /* input device interface */
        struct input_dev __rcu *x360w_dev;
        struct usb_device *udev;        /* usb device */
        struct usb_interface *intf;     /* usb interface */

        bool pad_present;
        bool input_created;

        struct urb *irq_in;             /* urb for interrupt in report */
        unsigned char *idata;           /* input data */
        dma_addr_t idata_dma;

        struct urb *irq_out;            /* urb for interrupt out report */
        struct usb_anchor irq_out_anchor;
        bool irq_out_active;            /* we must not use an active URB */
        u8 odata_serial;                /* serial number for xbox one protocol */
        unsigned char *odata;           /* output data */
        dma_addr_t odata_dma;
        spinlock_t odata_lock;

        struct xpad_output_packet out_packets[XPAD_NUM_OUT_PACKETS];
        int last_out_packet;
        int init_seq;

#if defined(CONFIG_JOYSTICK_XPAD_LEDS)
        struct xpad_led *led;
#endif

        char phys[64];                  /* physical device path */

        int mapping;                    /* map d-pad to buttons or to axes */
        int xtype;                      /* type of xbox device */
        int packet_type;                /* type of the extended packet */
        int pad_nr;                     /* the order x360 pads were attached */
        const char *name;               /* name of the device */
        struct work_struct work;        /* init/remove device from callback */
        time64_t mode_btn_down_ts;
        bool delay_init;                /* init packets should be delayed */
        bool delayed_init_done;
};

static int xpad_init_input(struct usb_xpad *xpad);
static void xpad_deinit_input(struct usb_xpad *xpad);
static int xpad_start_input(struct usb_xpad *xpad);
static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num);
static void xpad360w_poweroff_controller(struct usb_xpad *xpad);

/*
 *      xpad_process_packet
 *
 *      Completes a request by converting the data into events for the
 *      input subsystem.
 *
 *      The used report descriptor was taken from ITO Takayuki's website:
 *       http://euc.jp/periphs/xbox-controller.ja.html
 */
static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
{
        struct input_dev *dev = xpad->dev;

        if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
                /* left stick */
                input_report_abs(dev, ABS_X,
                                 (__s16) le16_to_cpup((__le16 *)(data + 12)));
                input_report_abs(dev, ABS_Y,
                                 ~(__s16) le16_to_cpup((__le16 *)(data + 14)));

                /* right stick */
                input_report_abs(dev, ABS_RX,
                                 (__s16) le16_to_cpup((__le16 *)(data + 16)));
                input_report_abs(dev, ABS_RY,
                                 ~(__s16) le16_to_cpup((__le16 *)(data + 18)));
        }

        /* triggers left/right */
        if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
                input_report_key(dev, BTN_TL2, data[10]);
                input_report_key(dev, BTN_TR2, data[11]);
        } else {
                input_report_abs(dev, ABS_Z, data[10]);
                input_report_abs(dev, ABS_RZ, data[11]);
        }

        /* digital pad */
        if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
                /* dpad as buttons (left, right, up, down) */
                input_report_key(dev, BTN_DPAD_LEFT, data[2] & BIT(2));
                input_report_key(dev, BTN_DPAD_RIGHT, data[2] & BIT(3));
                input_report_key(dev, BTN_DPAD_UP, data[2] & BIT(0));
                input_report_key(dev, BTN_DPAD_DOWN, data[2] & BIT(1));
        } else {
                input_report_abs(dev, ABS_HAT0X,
                                 !!(data[2] & 0x08) - !!(data[2] & 0x04));
                input_report_abs(dev, ABS_HAT0Y,
                                 !!(data[2] & 0x02) - !!(data[2] & 0x01));
        }

        /* start/back buttons and stick press left/right */
        input_report_key(dev, BTN_START,  data[2] & BIT(4));
        input_report_key(dev, BTN_SELECT, data[2] & BIT(5));
        input_report_key(dev, BTN_THUMBL, data[2] & BIT(6));
        input_report_key(dev, BTN_THUMBR, data[2] & BIT(7));

        /* "analog" buttons A, B, X, Y */
        input_report_key(dev, BTN_A, data[4]);
        input_report_key(dev, BTN_B, data[5]);
        input_report_key(dev, BTN_X, data[6]);
        input_report_key(dev, BTN_Y, data[7]);

        /* "analog" buttons black, white */
        input_report_key(dev, BTN_C, data[8]);
        input_report_key(dev, BTN_Z, data[9]);


        input_sync(dev);
}

/*
 *      xpad360_process_packet
 *
 *      Completes a request by converting the data into events for the
 *      input subsystem. It is version for xbox 360 controller
 *
 *      The used report descriptor was taken from:
 *              http://www.free60.org/wiki/Gamepad
 */

static void xpad360_process_packet(struct usb_xpad *xpad, struct input_dev *dev,
                                   u16 cmd, unsigned char *data)
{
        /* valid pad data */
        if (data[0] != 0x00)
                return;

        /* digital pad */
        if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
                /* dpad as buttons (left, right, up, down) */
                input_report_key(dev, BTN_DPAD_LEFT, data[2] & BIT(2));
                input_report_key(dev, BTN_DPAD_RIGHT, data[2] & BIT(3));
                input_report_key(dev, BTN_DPAD_UP, data[2] & BIT(0));
                input_report_key(dev, BTN_DPAD_DOWN, data[2] & BIT(1));
        }

        /*
         * This should be a simple else block. However historically
         * xbox360w has mapped DPAD to buttons while xbox360 did not. This
         * made no sense, but now we can not just switch back and have to
         * support both behaviors.
         */
        if (!(xpad->mapping & MAP_DPAD_TO_BUTTONS) ||
            xpad->xtype == XTYPE_XBOX360W) {
                input_report_abs(dev, ABS_HAT0X,
                                 !!(data[2] & 0x08) - !!(data[2] & 0x04));
                input_report_abs(dev, ABS_HAT0Y,
                                 !!(data[2] & 0x02) - !!(data[2] & 0x01));
        }

        /* start/back buttons */
        input_report_key(dev, BTN_START,  data[2] & BIT(4));
        input_report_key(dev, BTN_SELECT, data[2] & BIT(5));

        /* stick press left/right */
        input_report_key(dev, BTN_THUMBL, data[2] & BIT(6));
        input_report_key(dev, BTN_THUMBR, data[2] & BIT(7));

        /* buttons A,B,X,Y,TL,TR and MODE */
        input_report_key(dev, BTN_A,    data[3] & BIT(4));
        input_report_key(dev, BTN_B,    data[3] & BIT(5));
        input_report_key(dev, BTN_X,    data[3] & BIT(6));
        input_report_key(dev, BTN_Y,    data[3] & BIT(7));
        input_report_key(dev, BTN_TL,   data[3] & BIT(0));
        input_report_key(dev, BTN_TR,   data[3] & BIT(1));
        input_report_key(dev, BTN_MODE, data[3] & BIT(2));

        if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
                /* left stick */
                input_report_abs(dev, ABS_X,
                                 (__s16) le16_to_cpup((__le16 *)(data + 6)));
                input_report_abs(dev, ABS_Y,
                                 ~(__s16) le16_to_cpup((__le16 *)(data + 8)));

                /* right stick */
                input_report_abs(dev, ABS_RX,
                                 (__s16) le16_to_cpup((__le16 *)(data + 10)));
                input_report_abs(dev, ABS_RY,
                                 ~(__s16) le16_to_cpup((__le16 *)(data + 12)));
        }

        /* triggers left/right */
        if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
                input_report_key(dev, BTN_TL2, data[4]);
                input_report_key(dev, BTN_TR2, data[5]);
        } else {
                input_report_abs(dev, ABS_Z, data[4]);
                input_report_abs(dev, ABS_RZ, data[5]);
        }

        input_sync(dev);

        /* XBOX360W controllers can't be turned off without driver assistance */
        if (xpad->xtype == XTYPE_XBOX360W) {
                if (xpad->mode_btn_down_ts > 0 && xpad->pad_present &&
                    ((ktime_get_seconds() - xpad->mode_btn_down_ts) >=
                     XPAD360W_POWEROFF_TIMEOUT)) {
                        xpad360w_poweroff_controller(xpad);
                        xpad->mode_btn_down_ts = 0;
                        return;
                }

                /* mode button down/up */
                if (data[3] & BIT(2))
                        xpad->mode_btn_down_ts = ktime_get_seconds();
                else
                        xpad->mode_btn_down_ts = 0;
        }
}

static void xpad_presence_work(struct work_struct *work)
{
        struct usb_xpad *xpad = container_of(work, struct usb_xpad, work);
        int error;

        if (xpad->pad_present) {
                error = xpad_init_input(xpad);
                if (error) {
                        /* complain only, not much else we can do here */
                        dev_err(&xpad->dev->dev,
                                "unable to init device: %d\n", error);
                } else {
                        rcu_assign_pointer(xpad->x360w_dev, xpad->dev);
                }
        } else {
                RCU_INIT_POINTER(xpad->x360w_dev, NULL);
                synchronize_rcu();
                /*
                 * Now that we are sure xpad360w_process_packet is not
                 * using input device we can get rid of it.
                 */
                xpad_deinit_input(xpad);
        }
}

/*
 * xpad360w_process_packet
 *
 * Completes a request by converting the data into events for the
 * input subsystem. It is version for xbox 360 wireless controller.
 *
 * Byte.Bit
 * 00.1 - Status change: The controller or headset has connected/disconnected
 *                       Bits 01.7 and 01.6 are valid
 * 01.7 - Controller present
 * 01.6 - Headset present
 * 01.1 - Pad state (Bytes 4+) valid
 *
 */
static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
{
        struct input_dev *dev;
        bool present;

        /* Presence change */
        if (data[0] & 0x08) {
                present = (data[1] & 0x80) != 0;

                if (xpad->pad_present != present) {
                        xpad->pad_present = present;
                        schedule_work(&xpad->work);
                }
        }

        /* Valid pad data */
        if (data[1] != 0x1)
                return;

        rcu_read_lock();
        dev = rcu_dereference(xpad->x360w_dev);
        if (dev)
                xpad360_process_packet(xpad, dev, cmd, &data[4]);
        rcu_read_unlock();
}

/*
 *      xpadone_process_packet
 *
 *      Completes a request by converting the data into events for the
 *      input subsystem. This version is for the Xbox One controller.
 *
 *      The report format was gleaned from
 *      https://github.com/kylelemons/xbox/blob/master/xbox.go
 */
static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data, u32 len)
{
        struct input_dev *dev = xpad->dev;
        bool do_sync = false;

        /* the xbox button has its own special report */
        if (data[0] == GIP_CMD_VIRTUAL_KEY) {
                /*
                 * The Xbox One S controller requires these reports to be
                 * acked otherwise it continues sending them forever and
                 * won't report further mode button events.
                 */
                if (data[1] == (GIP_OPT_ACK | GIP_OPT_INTERNAL))
                        xpadone_ack_mode_report(xpad, data[2]);

                input_report_key(dev, BTN_MODE, data[4] & GENMASK(1, 0));
                input_sync(dev);

                do_sync = true;
        } else if (data[0] == GIP_CMD_FIRMWARE) {
                /* Some packet formats force us to use this separate to poll paddle inputs */
                if (xpad->packet_type == PKT_XBE2_FW_5_11) {
                        /* Mute paddles if controller is in a custom profile slot
                         * Checked by looking at the active profile slot to
                         * verify it's the default slot
                         */
                        if (data[19] != 0)
                                data[18] = 0;

                        /* Elite Series 2 split packet paddle bits */
                        input_report_key(dev, BTN_GRIPR, data[18] & BIT(0));
                        input_report_key(dev, BTN_GRIPR2, data[18] & BIT(1));
                        input_report_key(dev, BTN_GRIPL, data[18] & BIT(2));
                        input_report_key(dev, BTN_GRIPL2, data[18] & BIT(3));

                        do_sync = true;
                }
        } else if (data[0] == GIP_CMD_ANNOUNCE) {
                int error;

                if (xpad->delay_init && !xpad->delayed_init_done) {
                        xpad->delayed_init_done = true;
                        error = xpad_start_input(xpad);
                        if (error)
                                dev_warn(&xpad->dev->dev,
                                         "unable to start delayed input: %d\n",
                                         error);
                }
        } else if (data[0] == GIP_CMD_INPUT) { /* The main valid packet type for inputs */
                /* menu/view buttons */
                input_report_key(dev, BTN_START,  data[4] & BIT(2));
                input_report_key(dev, BTN_SELECT, data[4] & BIT(3));
                if (xpad->mapping & MAP_SHARE_BUTTON) {
                        u32 offset = (xpad->mapping & MAP_SHARE_OFFSET) ? 26 : 18;

                        if (len >= offset)
                                input_report_key(dev, KEY_RECORD, data[len - offset] & BIT(0));
                }

                /* buttons A,B,X,Y */
                input_report_key(dev, BTN_A,    data[4] & BIT(4));
                input_report_key(dev, BTN_B,    data[4] & BIT(5));
                input_report_key(dev, BTN_X,    data[4] & BIT(6));
                input_report_key(dev, BTN_Y,    data[4] & BIT(7));

                /* digital pad */
                if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
                        /* dpad as buttons (left, right, up, down) */
                        input_report_key(dev, BTN_DPAD_LEFT, data[5] & BIT(2));
                        input_report_key(dev, BTN_DPAD_RIGHT, data[5] & BIT(3));
                        input_report_key(dev, BTN_DPAD_UP, data[5] & BIT(0));
                        input_report_key(dev, BTN_DPAD_DOWN, data[5] & BIT(1));
                } else {
                        input_report_abs(dev, ABS_HAT0X,
                                        !!(data[5] & 0x08) - !!(data[5] & 0x04));
                        input_report_abs(dev, ABS_HAT0Y,
                                        !!(data[5] & 0x02) - !!(data[5] & 0x01));
                }

                /* TL/TR */
                input_report_key(dev, BTN_TL,   data[5] & BIT(4));
                input_report_key(dev, BTN_TR,   data[5] & BIT(5));

                /* stick press left/right */
                input_report_key(dev, BTN_THUMBL, data[5] & BIT(6));
                input_report_key(dev, BTN_THUMBR, data[5] & BIT(7));

                if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
                        /* left stick */
                        input_report_abs(dev, ABS_X,
                                        (__s16) le16_to_cpup((__le16 *)(data + 10)));
                        input_report_abs(dev, ABS_Y,
                                        ~(__s16) le16_to_cpup((__le16 *)(data + 12)));

                        /* right stick */
                        input_report_abs(dev, ABS_RX,
                                        (__s16) le16_to_cpup((__le16 *)(data + 14)));
                        input_report_abs(dev, ABS_RY,
                                        ~(__s16) le16_to_cpup((__le16 *)(data + 16)));
                }

                /* triggers left/right */
                if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
                        input_report_key(dev, BTN_TL2,
                                        (__u16) le16_to_cpup((__le16 *)(data + 6)));
                        input_report_key(dev, BTN_TR2,
                                        (__u16) le16_to_cpup((__le16 *)(data + 8)));
                } else {
                        input_report_abs(dev, ABS_Z,
                                        (__u16) le16_to_cpup((__le16 *)(data + 6)));
                        input_report_abs(dev, ABS_RZ,
                                        (__u16) le16_to_cpup((__le16 *)(data + 8)));
                }

                /* Profile button has a value of 0-3, so it is reported as an axis */
                if (xpad->mapping & MAP_PROFILE_BUTTON)
                        input_report_abs(dev, ABS_PROFILE, data[34]);

                /* paddle handling */
                /* based on SDL's SDL_hidapi_xboxone.c */
                if (xpad->mapping & MAP_PADDLES) {
                        if (xpad->packet_type == PKT_XBE1) {
                                /* Mute paddles if controller has a custom mapping applied.
                                 * Checked by comparing the current mapping
                                 * config against the factory mapping config
                                 */
                                if (memcmp(&data[4], &data[18], 2) != 0)
                                        data[32] = 0;

                                /* OG Elite Series Controller paddle bits */
                                input_report_key(dev, BTN_GRIPR, data[32] & BIT(1));
                                input_report_key(dev, BTN_GRIPR2, data[32] & BIT(3));
                                input_report_key(dev, BTN_GRIPL, data[32] & BIT(0));
                                input_report_key(dev, BTN_GRIPL2, data[32] & BIT(2));
                        } else if (xpad->packet_type == PKT_XBE2_FW_OLD) {
                                /* Mute paddles if controller has a custom mapping applied.
                                 * Checked by comparing the current mapping
                                 * config against the factory mapping config
                                 */
                                if (data[19] != 0)
                                        data[18] = 0;

                                /* Elite Series 2 4.x firmware paddle bits */
                                input_report_key(dev, BTN_GRIPR, data[18] & BIT(0));
                                input_report_key(dev, BTN_GRIPR2, data[18] & BIT(1));
                                input_report_key(dev, BTN_GRIPL, data[18] & BIT(2));
                                input_report_key(dev, BTN_GRIPL2, data[18] & BIT(3));
                        } else if (xpad->packet_type == PKT_XBE2_FW_5_EARLY) {
                                /* Mute paddles if controller has a custom mapping applied.
                                 * Checked by comparing the current mapping
                                 * config against the factory mapping config
                                 */
                                if (data[23] != 0)
                                        data[22] = 0;

                                /* Elite Series 2 5.x firmware paddle bits
                                 * (before the packet was split)
                                 */
                                input_report_key(dev, BTN_GRIPR, data[22] & BIT(0));
                                input_report_key(dev, BTN_GRIPR2, data[22] & BIT(1));
                                input_report_key(dev, BTN_GRIPL, data[22] & BIT(2));
                                input_report_key(dev, BTN_GRIPL2, data[22] & BIT(3));
                        }
                }

                do_sync = true;
        }

        if (do_sync)
                input_sync(dev);
}

static void xpad_irq_in(struct urb *urb)
{
        struct usb_xpad *xpad = urb->context;
        struct device *dev = &xpad->intf->dev;
        int retval, status;

        status = urb->status;

        switch (status) {
        case 0:
                /* success */
                break;
        case -ECONNRESET:
        case -ENOENT:
        case -ESHUTDOWN:
                /* this urb is terminated, clean up */
                dev_dbg(dev, "%s - urb shutting down with status: %d\n",
                        __func__, status);
                return;
        default:
                dev_dbg(dev, "%s - nonzero urb status received: %d\n",
                        __func__, status);
                goto exit;
        }

        switch (xpad->xtype) {
        case XTYPE_XBOX360:
                xpad360_process_packet(xpad, xpad->dev, 0, xpad->idata);
                break;
        case XTYPE_XBOX360W:
                xpad360w_process_packet(xpad, 0, xpad->idata);
                break;
        case XTYPE_XBOXONE:
                xpadone_process_packet(xpad, 0, xpad->idata, urb->actual_length);
                break;
        default:
                xpad_process_packet(xpad, 0, xpad->idata);
        }

exit:
        retval = usb_submit_urb(urb, GFP_ATOMIC);
        if (retval)
                dev_err(dev, "%s - usb_submit_urb failed with result %d\n",
                        __func__, retval);
}

/* Callers must hold xpad->odata_lock spinlock */
static bool xpad_prepare_next_init_packet(struct usb_xpad *xpad)
{
        const struct xboxone_init_packet *init_packet;

        if (xpad->xtype != XTYPE_XBOXONE)
                return false;

        /*
         * Some dongles will discard init packets if they're sent before the
         * controller connects. In these cases, we need to wait until we get
         * an announce packet from them to send the init packet sequence.
         */
        if (xpad->delay_init && !xpad->delayed_init_done)
                return false;

        /* Perform initialization sequence for Xbox One pads that require it */
        while (xpad->init_seq < ARRAY_SIZE(xboxone_init_packets)) {
                init_packet = &xboxone_init_packets[xpad->init_seq++];

                if (init_packet->idVendor != 0 &&
                    init_packet->idVendor != xpad->dev->id.vendor)
                        continue;

                if (init_packet->idProduct != 0 &&
                    init_packet->idProduct != xpad->dev->id.product)
                        continue;

                /* This packet applies to our device, so prepare to send it */
                memcpy(xpad->odata, init_packet->data, init_packet->len);
                xpad->irq_out->transfer_buffer_length = init_packet->len;

                /* Update packet with current sequence number */
                xpad->odata[2] = xpad->odata_serial++;
                return true;
        }

        return false;
}

/* Callers must hold xpad->odata_lock spinlock */
static bool xpad_prepare_next_out_packet(struct usb_xpad *xpad)
{
        struct xpad_output_packet *pkt, *packet = NULL;
        int i;

        /* We may have init packets to send before we can send user commands */
        if (xpad_prepare_next_init_packet(xpad))
                return true;

        for (i = 0; i < XPAD_NUM_OUT_PACKETS; i++) {
                if (++xpad->last_out_packet >= XPAD_NUM_OUT_PACKETS)
                        xpad->last_out_packet = 0;

                pkt = &xpad->out_packets[xpad->last_out_packet];
                if (pkt->pending) {
                        dev_dbg(&xpad->intf->dev,
                                "%s - found pending output packet %d\n",
                                __func__, xpad->last_out_packet);
                        packet = pkt;
                        break;
                }
        }

        if (packet) {
                memcpy(xpad->odata, packet->data, packet->len);
                xpad->irq_out->transfer_buffer_length = packet->len;
                packet->pending = false;
                return true;
        }

        return false;
}

/* Callers must hold xpad->odata_lock spinlock */
static int xpad_try_sending_next_out_packet(struct usb_xpad *xpad)
{
        int error;

        if (!xpad->irq_out_active && xpad_prepare_next_out_packet(xpad)) {
                usb_anchor_urb(xpad->irq_out, &xpad->irq_out_anchor);
                error = usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
                if (error) {
                        if (error != -ENODEV)
                                dev_err(&xpad->intf->dev,
                                        "%s - usb_submit_urb failed with result %d\n",
                                        __func__, error);
                        usb_unanchor_urb(xpad->irq_out);
                        return error;
                }

                xpad->irq_out_active = true;
        }

        return 0;
}

static void xpad_irq_out(struct urb *urb)
{
        struct usb_xpad *xpad = urb->context;
        struct device *dev = &xpad->intf->dev;
        int status = urb->status;
        int error;

        guard(spinlock_irqsave)(&xpad->odata_lock);

        switch (status) {
        case 0:
                /* success */
                xpad->irq_out_active = xpad_prepare_next_out_packet(xpad);
                break;

        case -ECONNRESET:
        case -ENOENT:
        case -ESHUTDOWN:
                /* this urb is terminated, clean up */
                dev_dbg(dev, "%s - urb shutting down with status: %d\n",
                        __func__, status);
                xpad->irq_out_active = false;
                break;

        default:
                dev_dbg(dev, "%s - nonzero urb status received: %d\n",
                        __func__, status);
                break;
        }

        if (xpad->irq_out_active) {
                usb_anchor_urb(urb, &xpad->irq_out_anchor);
                error = usb_submit_urb(urb, GFP_ATOMIC);
                if (error) {
                        dev_err(dev,
                                "%s - usb_submit_urb failed with result %d\n",
                                __func__, error);
                        usb_unanchor_urb(urb);
                        xpad->irq_out_active = false;
                }
        }
}

static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad,
                        struct usb_endpoint_descriptor *ep_irq_out)
{
        int error;

        if (xpad->xtype == XTYPE_UNKNOWN)
                return 0;

        init_usb_anchor(&xpad->irq_out_anchor);

        xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN,
                                         GFP_KERNEL, &xpad->odata_dma);
        if (!xpad->odata)
                return -ENOMEM;

        spin_lock_init(&xpad->odata_lock);

        xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
        if (!xpad->irq_out) {
                error = -ENOMEM;
                goto err_free_coherent;
        }

        usb_fill_int_urb(xpad->irq_out, xpad->udev,
                         usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress),
                         xpad->odata, XPAD_PKT_LEN,
                         xpad_irq_out, xpad, ep_irq_out->bInterval);
        xpad->irq_out->transfer_dma = xpad->odata_dma;
        xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

        return 0;

err_free_coherent:
        usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma);
        return error;
}

static void xpad_stop_output(struct usb_xpad *xpad)
{
        if (xpad->xtype != XTYPE_UNKNOWN) {
                if (!usb_wait_anchor_empty_timeout(&xpad->irq_out_anchor,
                                                   5000)) {
                        dev_warn(&xpad->intf->dev,
                                 "timed out waiting for output URB to complete, killing\n");
                        usb_kill_anchored_urbs(&xpad->irq_out_anchor);
                }
        }
}

static void xpad_deinit_output(struct usb_xpad *xpad)
{
        if (xpad->xtype != XTYPE_UNKNOWN) {
                usb_free_urb(xpad->irq_out);
                usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
                                xpad->odata, xpad->odata_dma);
        }
}

static int xpad_inquiry_pad_presence(struct usb_xpad *xpad)
{
        struct xpad_output_packet *packet =
                        &xpad->out_packets[XPAD_OUT_CMD_IDX];

        guard(spinlock_irqsave)(&xpad->odata_lock);

        packet->data[0] = 0x08;
        packet->data[1] = 0x00;
        packet->data[2] = 0x0F;
        packet->data[3] = 0xC0;
        packet->data[4] = 0x00;
        packet->data[5] = 0x00;
        packet->data[6] = 0x00;
        packet->data[7] = 0x00;
        packet->data[8] = 0x00;
        packet->data[9] = 0x00;
        packet->data[10] = 0x00;
        packet->data[11] = 0x00;
        packet->len = 12;
        packet->pending = true;

        /* Reset the sequence so we send out presence first */
        xpad->last_out_packet = -1;
        return xpad_try_sending_next_out_packet(xpad);
}

static int xpad_start_xbox_one(struct usb_xpad *xpad)
{
        int error;

        if (usb_ifnum_to_if(xpad->udev, GIP_WIRED_INTF_AUDIO)) {
                /*
                 * Explicitly disable the audio interface. This is needed
                 * for some controllers, such as the PowerA Enhanced Wired
                 * Controller for Series X|S (0x20d6:0x200e) to report the
                 * guide button.
                 */
                error = usb_set_interface(xpad->udev,
                                          GIP_WIRED_INTF_AUDIO, 0);
                if (error)
                        dev_warn(&xpad->dev->dev,
                                 "unable to disable audio interface: %d\n",
                                 error);
        }

        guard(spinlock_irqsave)(&xpad->odata_lock);

        /*
         * Begin the init sequence by attempting to send a packet.
         * We will cycle through the init packet sequence before
         * sending any packets from the output ring.
         */
        xpad->init_seq = 0;
        return xpad_try_sending_next_out_packet(xpad);
}

static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num)
{
        struct xpad_output_packet *packet =
                        &xpad->out_packets[XPAD_OUT_CMD_IDX];
        static const u8 mode_report_ack[] = {
                GIP_CMD_ACK, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(9),
                0x00, GIP_CMD_VIRTUAL_KEY, GIP_OPT_INTERNAL, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00
        };

        guard(spinlock_irqsave)(&xpad->odata_lock);

        packet->len = sizeof(mode_report_ack);
        memcpy(packet->data, mode_report_ack, packet->len);
        packet->data[2] = seq_num;
        packet->pending = true;

        /* Reset the sequence so we send out the ack now */
        xpad->last_out_packet = -1;
        xpad_try_sending_next_out_packet(xpad);
}

#ifdef CONFIG_JOYSTICK_XPAD_FF
static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect)
{
        struct usb_xpad *xpad = input_get_drvdata(dev);
        struct xpad_output_packet *packet = &xpad->out_packets[XPAD_OUT_FF_IDX];
        __u16 strong;
        __u16 weak;

        if (effect->type != FF_RUMBLE)
                return 0;

        strong = effect->u.rumble.strong_magnitude;
        weak = effect->u.rumble.weak_magnitude;

        guard(spinlock_irqsave)(&xpad->odata_lock);

        switch (xpad->xtype) {
        case XTYPE_XBOX:
                packet->data[0] = 0x00;
                packet->data[1] = 0x06;
                packet->data[2] = 0x00;
                packet->data[3] = strong / 256; /* left actuator */
                packet->data[4] = 0x00;
                packet->data[5] = weak / 256;   /* right actuator */
                packet->len = 6;
                packet->pending = true;
                break;

        case XTYPE_XBOX360:
                packet->data[0] = 0x00;
                packet->data[1] = 0x08;
                packet->data[2] = 0x00;
                packet->data[3] = strong / 256;  /* left actuator? */
                packet->data[4] = weak / 256;   /* right actuator? */
                packet->data[5] = 0x00;
                packet->data[6] = 0x00;
                packet->data[7] = 0x00;
                packet->len = 8;
                packet->pending = true;
                break;

        case XTYPE_XBOX360W:
                packet->data[0] = 0x00;
                packet->data[1] = 0x01;
                packet->data[2] = 0x0F;
                packet->data[3] = 0xC0;
                packet->data[4] = 0x00;
                packet->data[5] = strong / 256;
                packet->data[6] = weak / 256;
                packet->data[7] = 0x00;
                packet->data[8] = 0x00;
                packet->data[9] = 0x00;
                packet->data[10] = 0x00;
                packet->data[11] = 0x00;
                packet->len = 12;
                packet->pending = true;
                break;

        case XTYPE_XBOXONE:
                packet->data[0] = GIP_CMD_RUMBLE; /* activate rumble */
                packet->data[1] = 0x00;
                packet->data[2] = xpad->odata_serial++;
                packet->data[3] = GIP_PL_LEN(9);
                packet->data[4] = 0x00;
                packet->data[5] = GIP_MOTOR_ALL;
                packet->data[6] = 0x00; /* left trigger */
                packet->data[7] = 0x00; /* right trigger */
                packet->data[8] = strong / 512; /* left actuator */
                packet->data[9] = weak / 512;   /* right actuator */
                packet->data[10] = 0xFF; /* on period */
                packet->data[11] = 0x00; /* off period */
                packet->data[12] = 0xFF; /* repeat count */
                packet->len = 13;
                packet->pending = true;
                break;

        default:
                dev_dbg(&xpad->dev->dev,
                        "%s - rumble command sent to unsupported xpad type: %d\n",
                        __func__, xpad->xtype);
                return -EINVAL;
        }

        return xpad_try_sending_next_out_packet(xpad);
}

static int xpad_init_ff(struct usb_xpad *xpad)
{
        if (xpad->xtype == XTYPE_UNKNOWN)
                return 0;

        input_set_capability(xpad->dev, EV_FF, FF_RUMBLE);

        return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect);
}

#else
static int xpad_init_ff(struct usb_xpad *xpad) { return 0; }
#endif

#if defined(CONFIG_JOYSTICK_XPAD_LEDS)
#include <linux/leds.h>
#include <linux/idr.h>

static DEFINE_IDA(xpad_pad_seq);

struct xpad_led {
        char name[16];
        struct led_classdev led_cdev;
        struct usb_xpad *xpad;
};

/*
 * set the LEDs on Xbox 360 / Wireless Controllers
 * @param command
 *  0: off
 *  1: all blink, then previous setting
 *  2: 1/top-left blink, then on
 *  3: 2/top-right blink, then on
 *  4: 3/bottom-left blink, then on
 *  5: 4/bottom-right blink, then on
 *  6: 1/top-left on
 *  7: 2/top-right on
 *  8: 3/bottom-left on
 *  9: 4/bottom-right on
 * 10: rotate
 * 11: blink, based on previous setting
 * 12: slow blink, based on previous setting
 * 13: rotate with two lights
 * 14: persistent slow all blink
 * 15: blink once, then previous setting
 */
static void xpad_send_led_command(struct usb_xpad *xpad, int command)
{
        struct xpad_output_packet *packet =
                        &xpad->out_packets[XPAD_OUT_LED_IDX];

        command %= 16;

        guard(spinlock_irqsave)(&xpad->odata_lock);

        switch (xpad->xtype) {
        case XTYPE_XBOX360:
                packet->data[0] = 0x01;
                packet->data[1] = 0x03;
                packet->data[2] = command;
                packet->len = 3;
                packet->pending = true;
                break;

        case XTYPE_XBOX360W:
                packet->data[0] = 0x00;
                packet->data[1] = 0x00;
                packet->data[2] = 0x08;
                packet->data[3] = 0x40 + command;
                packet->data[4] = 0x00;
                packet->data[5] = 0x00;
                packet->data[6] = 0x00;
                packet->data[7] = 0x00;
                packet->data[8] = 0x00;
                packet->data[9] = 0x00;
                packet->data[10] = 0x00;
                packet->data[11] = 0x00;
                packet->len = 12;
                packet->pending = true;
                break;
        }

        xpad_try_sending_next_out_packet(xpad);
}

/*
 * Light up the segment corresponding to the pad number on
 * Xbox 360 Controllers.
 */
static void xpad_identify_controller(struct usb_xpad *xpad)
{
        led_set_brightness(&xpad->led->led_cdev, (xpad->pad_nr % 4) + 2);
}

static void xpad_led_set(struct led_classdev *led_cdev,
                         enum led_brightness value)
{
        struct xpad_led *xpad_led = container_of(led_cdev,
                                                 struct xpad_led, led_cdev);

        xpad_send_led_command(xpad_led->xpad, value);
}

static int xpad_led_probe(struct usb_xpad *xpad)
{
        struct xpad_led *led;
        struct led_classdev *led_cdev;
        int error;

        if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX360W)
                return 0;

        xpad->led = led = kzalloc_obj(*led);
        if (!led)
                return -ENOMEM;

        xpad->pad_nr = ida_alloc(&xpad_pad_seq, GFP_KERNEL);
        if (xpad->pad_nr < 0) {
                error = xpad->pad_nr;
                goto err_free_mem;
        }

        snprintf(led->name, sizeof(led->name), "xpad%d", xpad->pad_nr);
        led->xpad = xpad;

        led_cdev = &led->led_cdev;
        led_cdev->name = led->name;
        led_cdev->brightness_set = xpad_led_set;
        led_cdev->flags = LED_CORE_SUSPENDRESUME;

        error = led_classdev_register(&xpad->udev->dev, led_cdev);
        if (error)
                goto err_free_id;

        xpad_identify_controller(xpad);

        return 0;

err_free_id:
        ida_free(&xpad_pad_seq, xpad->pad_nr);
err_free_mem:
        kfree(led);
        xpad->led = NULL;
        return error;
}

static void xpad_led_disconnect(struct usb_xpad *xpad)
{
        struct xpad_led *xpad_led = xpad->led;

        if (xpad_led) {
                led_classdev_unregister(&xpad_led->led_cdev);
                ida_free(&xpad_pad_seq, xpad->pad_nr);
                kfree(xpad_led);
        }
}
#else
static int xpad_led_probe(struct usb_xpad *xpad) { return 0; }
static void xpad_led_disconnect(struct usb_xpad *xpad) { }
#endif

static int xpad_start_input(struct usb_xpad *xpad)
{
        int error;

        if (usb_submit_urb(xpad->irq_in, GFP_KERNEL))
                return -EIO;

        if (xpad->xtype == XTYPE_XBOXONE) {
                error = xpad_start_xbox_one(xpad);
                if (error) {
                        usb_kill_urb(xpad->irq_in);
                        return error;
                }
        }
        if (xpad->xtype == XTYPE_XBOX360) {
                /*
                 * Some third-party controllers Xbox 360-style controllers
                 * require this message to finish initialization.
                 */
                u8 dummy[20];

                error = usb_control_msg_recv(xpad->udev, 0,
                                             /* bRequest */ 0x01,
                                             /* bmRequestType */
                                             USB_TYPE_VENDOR | USB_DIR_IN |
                                                USB_RECIP_INTERFACE,
                                             /* wValue */ 0x100,
                                             /* wIndex */ 0x00,
                                             dummy, sizeof(dummy),
                                             25, GFP_KERNEL);
                if (error)
                        dev_warn(&xpad->dev->dev,
                                 "unable to receive magic message: %d\n",
                                 error);
        }

        return 0;
}

static void xpad_stop_input(struct usb_xpad *xpad)
{
        usb_kill_urb(xpad->irq_in);
}

static void xpad360w_poweroff_controller(struct usb_xpad *xpad)
{
        struct xpad_output_packet *packet =
                        &xpad->out_packets[XPAD_OUT_CMD_IDX];

        guard(spinlock_irqsave)(&xpad->odata_lock);

        packet->data[0] = 0x00;
        packet->data[1] = 0x00;
        packet->data[2] = 0x08;
        packet->data[3] = 0xC0;
        packet->data[4] = 0x00;
        packet->data[5] = 0x00;
        packet->data[6] = 0x00;
        packet->data[7] = 0x00;
        packet->data[8] = 0x00;
        packet->data[9] = 0x00;
        packet->data[10] = 0x00;
        packet->data[11] = 0x00;
        packet->len = 12;
        packet->pending = true;

        /* Reset the sequence so we send out poweroff now */
        xpad->last_out_packet = -1;
        xpad_try_sending_next_out_packet(xpad);
}

static int xpad360w_start_input(struct usb_xpad *xpad)
{
        int error;

        error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
        if (error)
                return -EIO;

        /*
         * Send presence packet.
         * This will force the controller to resend connection packets.
         * This is useful in the case we activate the module after the
         * adapter has been plugged in, as it won't automatically
         * send us info about the controllers.
         */
        error = xpad_inquiry_pad_presence(xpad);
        if (error) {
                usb_kill_urb(xpad->irq_in);
                return error;
        }

        return 0;
}

static void xpad360w_stop_input(struct usb_xpad *xpad)
{
        usb_kill_urb(xpad->irq_in);

        /* Make sure we are done with presence work if it was scheduled */
        flush_work(&xpad->work);
}

static int xpad_open(struct input_dev *dev)
{
        struct usb_xpad *xpad = input_get_drvdata(dev);

        return xpad_start_input(xpad);
}

static void xpad_close(struct input_dev *dev)
{
        struct usb_xpad *xpad = input_get_drvdata(dev);

        xpad_stop_input(xpad);
}

static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs)
{
        struct usb_xpad *xpad = input_get_drvdata(input_dev);

        switch (abs) {
        case ABS_X:
        case ABS_Y:
        case ABS_RX:
        case ABS_RY:    /* the two sticks */
                input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128);
                break;
        case ABS_Z:
        case ABS_RZ:    /* the triggers (if mapped to axes) */
                if (xpad->xtype == XTYPE_XBOXONE)
                        input_set_abs_params(input_dev, abs, 0, 1023, 0, 0);
                else
                        input_set_abs_params(input_dev, abs, 0, 255, 0, 0);
                break;
        case ABS_HAT0X:
        case ABS_HAT0Y: /* the d-pad (only if dpad is mapped to axes */
                input_set_abs_params(input_dev, abs, -1, 1, 0, 0);
                break;
        case ABS_PROFILE: /* 4 value profile button (such as on XAC) */
                input_set_abs_params(input_dev, abs, 0, 4, 0, 0);
                break;
        default:
                input_set_abs_params(input_dev, abs, 0, 0, 0, 0);
                break;
        }
}

static void xpad_deinit_input(struct usb_xpad *xpad)
{
        if (xpad->input_created) {
                xpad->input_created = false;
                xpad_led_disconnect(xpad);
                input_unregister_device(xpad->dev);
        }
}

static int xpad_init_input(struct usb_xpad *xpad)
{
        struct input_dev *input_dev;
        int i, error;

        input_dev = input_allocate_device();
        if (!input_dev)
                return -ENOMEM;

        xpad->dev = input_dev;
        input_dev->name = xpad->name;
        input_dev->phys = xpad->phys;
        usb_to_input_id(xpad->udev, &input_dev->id);

        if (xpad->xtype == XTYPE_XBOX360W) {
                /* x360w controllers and the receiver have different ids */
                input_dev->id.product = 0x02a1;
        }

        input_dev->dev.parent = &xpad->intf->dev;

        input_set_drvdata(input_dev, xpad);

        if (xpad->xtype != XTYPE_XBOX360W) {
                input_dev->open = xpad_open;
                input_dev->close = xpad_close;
        }

        if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
                /* set up axes */
                for (i = 0; xpad_abs[i] >= 0; i++)
                        xpad_set_up_abs(input_dev, xpad_abs[i]);
        }

        /* set up standard buttons */
        for (i = 0; xpad_common_btn[i] >= 0; i++)
                input_set_capability(input_dev, EV_KEY, xpad_common_btn[i]);

        /* set up model-specific ones */
        if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W ||
            xpad->xtype == XTYPE_XBOXONE) {
                for (i = 0; xpad360_btn[i] >= 0; i++)
                        input_set_capability(input_dev, EV_KEY, xpad360_btn[i]);
                if (xpad->mapping & MAP_SHARE_BUTTON)
                        input_set_capability(input_dev, EV_KEY, KEY_RECORD);
        } else {
                for (i = 0; xpad_btn[i] >= 0; i++)
                        input_set_capability(input_dev, EV_KEY, xpad_btn[i]);
        }

        if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
                for (i = 0; xpad_btn_pad[i] >= 0; i++)
                        input_set_capability(input_dev, EV_KEY,
                                             xpad_btn_pad[i]);
        }

        /* set up paddles if the controller has them */
        if (xpad->mapping & MAP_PADDLES) {
                for (i = 0; xpad_btn_paddles[i] >= 0; i++)
                        input_set_capability(input_dev, EV_KEY, xpad_btn_paddles[i]);
        }

        /*
         * This should be a simple else block. However historically
         * xbox360w has mapped DPAD to buttons while xbox360 did not. This
         * made no sense, but now we can not just switch back and have to
         * support both behaviors.
         */
        if (!(xpad->mapping & MAP_DPAD_TO_BUTTONS) ||
            xpad->xtype == XTYPE_XBOX360W) {
                for (i = 0; xpad_abs_pad[i] >= 0; i++)
                        xpad_set_up_abs(input_dev, xpad_abs_pad[i]);
        }

        if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
                for (i = 0; xpad_btn_triggers[i] >= 0; i++)
                        input_set_capability(input_dev, EV_KEY,
                                             xpad_btn_triggers[i]);
        } else {
                for (i = 0; xpad_abs_triggers[i] >= 0; i++)
                        xpad_set_up_abs(input_dev, xpad_abs_triggers[i]);
        }

        /* setup profile button as an axis with 4 possible values */
        if (xpad->mapping & MAP_PROFILE_BUTTON)
                xpad_set_up_abs(input_dev, ABS_PROFILE);

        error = xpad_init_ff(xpad);
        if (error)
                goto err_free_input;

        error = xpad_led_probe(xpad);
        if (error)
                goto err_destroy_ff;

        error = input_register_device(xpad->dev);
        if (error)
                goto err_disconnect_led;

        xpad->input_created = true;
        return 0;

err_disconnect_led:
        xpad_led_disconnect(xpad);
err_destroy_ff:
        input_ff_destroy(input_dev);
err_free_input:
        input_free_device(input_dev);
        return error;
}

static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id)
{
        struct usb_device *udev = interface_to_usbdev(intf);
        struct usb_xpad *xpad;
        struct usb_endpoint_descriptor *ep_irq_in, *ep_irq_out;
        int i, error;

        if (intf->cur_altsetting->desc.bNumEndpoints != 2)
                return -ENODEV;

        for (i = 0; xpad_device[i].idVendor; i++) {
                if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
                    (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct))
                        break;
        }

        xpad = kzalloc_obj(*xpad);
        if (!xpad)
                return -ENOMEM;

        usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
        strlcat(xpad->phys, "/input0", sizeof(xpad->phys));

        xpad->idata = usb_alloc_coherent(udev, XPAD_PKT_LEN,
                                         GFP_KERNEL, &xpad->idata_dma);
        if (!xpad->idata) {
                error = -ENOMEM;
                goto err_free_mem;
        }

        xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
        if (!xpad->irq_in) {
                error = -ENOMEM;
                goto err_free_idata;
        }

        xpad->udev = udev;
        xpad->intf = intf;
        xpad->mapping = xpad_device[i].mapping;
        xpad->xtype = xpad_device[i].xtype;
        xpad->name = xpad_device[i].name;
        if (xpad_device[i].flags & FLAG_DELAY_INIT)
                xpad->delay_init = true;

        xpad->packet_type = PKT_XB;
        INIT_WORK(&xpad->work, xpad_presence_work);

        if (xpad->xtype == XTYPE_UNKNOWN) {
                if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) {
                        if (intf->cur_altsetting->desc.bInterfaceProtocol == 129)
                                xpad->xtype = XTYPE_XBOX360W;
                        else if (intf->cur_altsetting->desc.bInterfaceProtocol == 208)
                                xpad->xtype = XTYPE_XBOXONE;
                        else
                                xpad->xtype = XTYPE_XBOX360;
                } else {
                        xpad->xtype = XTYPE_XBOX;
                }

                if (dpad_to_buttons)
                        xpad->mapping |= MAP_DPAD_TO_BUTTONS;
                if (triggers_to_buttons)
                        xpad->mapping |= MAP_TRIGGERS_TO_BUTTONS;
                if (sticks_to_null)
                        xpad->mapping |= MAP_STICKS_TO_NULL;
        }

        if (xpad->xtype == XTYPE_XBOXONE &&
            intf->cur_altsetting->desc.bInterfaceNumber != GIP_WIRED_INTF_DATA) {
                /*
                 * The Xbox One controller lists three interfaces all with the
                 * same interface class, subclass and protocol. Differentiate by
                 * interface number.
                 */
                error = -ENODEV;
                goto err_free_in_urb;
        }

        ep_irq_in = ep_irq_out = NULL;

        for (i = 0; i < 2; i++) {
                struct usb_endpoint_descriptor *ep =
                                &intf->cur_altsetting->endpoint[i].desc;

                if (usb_endpoint_xfer_int(ep)) {
                        if (usb_endpoint_dir_in(ep))
                                ep_irq_in = ep;
                        else
                                ep_irq_out = ep;
                }
        }

        if (!ep_irq_in || !ep_irq_out) {
                error = -ENODEV;
                goto err_free_in_urb;
        }

        error = xpad_init_output(intf, xpad, ep_irq_out);
        if (error)
                goto err_free_in_urb;

        usb_fill_int_urb(xpad->irq_in, udev,
                         usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
                         xpad->idata, XPAD_PKT_LEN, xpad_irq_in,
                         xpad, ep_irq_in->bInterval);
        xpad->irq_in->transfer_dma = xpad->idata_dma;
        xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;

        usb_set_intfdata(intf, xpad);

        /* Packet type detection */
        if (le16_to_cpu(udev->descriptor.idVendor) == 0x045e) { /* Microsoft controllers */
                if (le16_to_cpu(udev->descriptor.idProduct) == 0x02e3) {
                        /* The original elite controller always uses the oldest
                         * type of extended packet
                         */
                        xpad->packet_type = PKT_XBE1;
                } else if (le16_to_cpu(udev->descriptor.idProduct) == 0x0b00) {
                        /* The elite 2 controller has seen multiple packet
                         * revisions. These are tied to specific firmware
                         * versions
                         */
                        if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x0500) {
                                /* This is the format that the Elite 2 used
                                 * prior to the BLE update
                                 */
                                xpad->packet_type = PKT_XBE2_FW_OLD;
                        } else if (le16_to_cpu(udev->descriptor.bcdDevice) <
                                   0x050b) {
                                /* This is the format that the Elite 2 used
                                 * prior to the update that split the packet
                                 */
                                xpad->packet_type = PKT_XBE2_FW_5_EARLY;
                        } else {
                                /* The split packet format that was introduced
                                 * in firmware v5.11
                                 */
                                xpad->packet_type = PKT_XBE2_FW_5_11;
                        }
                }
        }

        if (xpad->xtype == XTYPE_XBOX360W) {
                /*
                 * Submit the int URB immediately rather than waiting for open
                 * because we get status messages from the device whether
                 * or not any controllers are attached.  In fact, it's
                 * exactly the message that a controller has arrived that
                 * we're waiting for.
                 */
                error = xpad360w_start_input(xpad);
                if (error)
                        goto err_deinit_output;
                /*
                 * Wireless controllers require RESET_RESUME to work properly
                 * after suspend. Ideally this quirk should be in usb core
                 * quirk list, but we have too many vendors producing these
                 * controllers and we'd need to maintain 2 identical lists
                 * here in this driver and in usb core.
                 */
                udev->quirks |= USB_QUIRK_RESET_RESUME;
        } else {
                error = xpad_init_input(xpad);
                if (error)
                        goto err_deinit_output;
        }
        return 0;

err_deinit_output:
        xpad_deinit_output(xpad);
err_free_in_urb:
        usb_free_urb(xpad->irq_in);
err_free_idata:
        usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
err_free_mem:
        kfree(xpad);
        return error;
}

static void xpad_disconnect(struct usb_interface *intf)
{
        struct usb_xpad *xpad = usb_get_intfdata(intf);

        if (xpad->xtype == XTYPE_XBOX360W)
                xpad360w_stop_input(xpad);

        xpad_deinit_input(xpad);

        /*
         * Now that both input device and LED device are gone we can
         * stop output URB.
         */
        xpad_stop_output(xpad);

        xpad_deinit_output(xpad);

        usb_free_urb(xpad->irq_in);
        usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
                        xpad->idata, xpad->idata_dma);

        kfree(xpad);

        usb_set_intfdata(intf, NULL);
}

static int xpad_suspend(struct usb_interface *intf, pm_message_t message)
{
        struct usb_xpad *xpad = usb_get_intfdata(intf);
        struct input_dev *input = xpad->dev;

        if (xpad->xtype == XTYPE_XBOX360W) {
                /*
                 * Wireless controllers always listen to input so
                 * they are notified when controller shows up
                 * or goes away.
                 */
                xpad360w_stop_input(xpad);

                /*
                 * The wireless adapter is going off now, so the
                 * gamepads are going to become disconnected.
                 * Unless explicitly disabled, power them down
                 * so they don't just sit there flashing.
                 */
                if (auto_poweroff && xpad->pad_present)
                        xpad360w_poweroff_controller(xpad);
        } else {
                guard(mutex)(&input->mutex);

                if (input_device_enabled(input))
                        xpad_stop_input(xpad);
        }

        xpad_stop_output(xpad);

        return 0;
}

static int xpad_resume(struct usb_interface *intf)
{
        struct usb_xpad *xpad = usb_get_intfdata(intf);
        struct input_dev *input = xpad->dev;

        xpad->delayed_init_done = false;
        if (xpad->xtype == XTYPE_XBOX360W)
                return xpad360w_start_input(xpad);

        guard(mutex)(&input->mutex);

        if (input_device_enabled(input))
                return xpad_start_input(xpad);

        if (xpad->xtype == XTYPE_XBOXONE) {
                /*
                 * Even if there are no users, we'll send Xbox One pads
                 * the startup sequence so they don't sit there and
                 * blink until somebody opens the input device again.
                 */
                return xpad_start_xbox_one(xpad);
        }

        return 0;
}

static struct usb_driver xpad_driver = {
        .name           = "xpad",
        .probe          = xpad_probe,
        .disconnect     = xpad_disconnect,
        .suspend        = xpad_suspend,
        .resume         = xpad_resume,
        .id_table       = xpad_table,
};

module_usb_driver(xpad_driver);

MODULE_AUTHOR("Marko Friedemann <mfr@bmx-chemnitz.de>");
MODULE_DESCRIPTION("Xbox pad driver");
MODULE_LICENSE("GPL");