xref: /linux/drivers/input/joystick/xpad.c (revision a5210135489ae7bc1ef1cb4a8157361dd7b468cd)
1 // SPDX-License-Identifier: GPL-2.0-or-later
2 /*
3  * Xbox gamepad driver
4  *
5  * Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de>
6  *               2004 Oliver Schwartz <Oliver.Schwartz@gmx.de>,
7  *                    Steven Toth <steve@toth.demon.co.uk>,
8  *                    Franz Lehner <franz@caos.at>,
9  *                    Ivan Hawkes <blackhawk@ivanhawkes.com>
10  *               2005 Dominic Cerquetti <binary1230@yahoo.com>
11  *               2006 Adam Buchbinder <adam.buchbinder@gmail.com>
12  *               2007 Jan Kratochvil <honza@jikos.cz>
13  *               2010 Christoph Fritz <chf.fritz@googlemail.com>
14  *
15  * This driver is based on:
16  *  - information from     http://euc.jp/periphs/xbox-controller.ja.html
17  *  - the iForce driver    drivers/char/joystick/iforce.c
18  *  - the skeleton-driver  drivers/usb/usb-skeleton.c
19  *  - Xbox 360 information http://www.free60.org/wiki/Gamepad
20  *  - Xbox One information https://github.com/quantus/xbox-one-controller-protocol
21  *
22  * Thanks to:
23  *  - ITO Takayuki for providing essential xpad information on his website
24  *  - Vojtech Pavlik     - iforce driver / input subsystem
25  *  - Greg Kroah-Hartman - usb-skeleton driver
26  *  - Xbox Linux project - extra USB IDs
27  *  - Pekka Pöyry (quantus) - Xbox One controller reverse-engineering
28  */
29 
30 #include <linux/bits.h>
31 #include <linux/kernel.h>
32 #include <linux/input.h>
33 #include <linux/rcupdate.h>
34 #include <linux/slab.h>
35 #include <linux/stat.h>
36 #include <linux/module.h>
37 #include <linux/usb/input.h>
38 #include <linux/usb/quirks.h>
39 
40 #define XPAD_PKT_LEN 64
41 
42 /*
43  * xbox d-pads should map to buttons, as is required for DDR pads
44  * but we map them to axes when possible to simplify things
45  */
46 #define MAP_DPAD_TO_BUTTONS		BIT(0)
47 #define MAP_TRIGGERS_TO_BUTTONS		BIT(1)
48 #define MAP_STICKS_TO_NULL		BIT(2)
49 #define MAP_SHARE_BUTTON		BIT(3)
50 #define MAP_PADDLES			BIT(4)
51 #define MAP_PROFILE_BUTTON		BIT(5)
52 #define MAP_SHARE_OFFSET		BIT(6)
53 
54 #define DANCEPAD_MAP_CONFIG	(MAP_DPAD_TO_BUTTONS |			\
55 				MAP_TRIGGERS_TO_BUTTONS | MAP_STICKS_TO_NULL)
56 
57 #define XTYPE_XBOX        0
58 #define XTYPE_XBOX360     1
59 #define XTYPE_XBOX360W    2
60 #define XTYPE_XBOXONE     3
61 #define XTYPE_UNKNOWN     4
62 
63 /* Send power-off packet to xpad360w after holding the mode button for this many
64  * seconds
65  */
66 #define XPAD360W_POWEROFF_TIMEOUT 5
67 
68 #define PKT_XB              0
69 #define PKT_XBE1            1
70 #define PKT_XBE2_FW_OLD     2
71 #define PKT_XBE2_FW_5_EARLY 3
72 #define PKT_XBE2_FW_5_11    4
73 
74 #define FLAG_DELAY_INIT BIT(0)
75 
76 static bool dpad_to_buttons;
77 module_param(dpad_to_buttons, bool, S_IRUGO);
78 MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads");
79 
80 static bool triggers_to_buttons;
81 module_param(triggers_to_buttons, bool, S_IRUGO);
82 MODULE_PARM_DESC(triggers_to_buttons, "Map triggers to buttons rather than axes for unknown pads");
83 
84 static bool sticks_to_null;
85 module_param(sticks_to_null, bool, S_IRUGO);
86 MODULE_PARM_DESC(sticks_to_null, "Do not map sticks at all for unknown pads");
87 
88 static bool auto_poweroff = true;
89 module_param(auto_poweroff, bool, S_IWUSR | S_IRUGO);
90 MODULE_PARM_DESC(auto_poweroff, "Power off wireless controllers on suspend");
91 
92 static const struct xpad_device {
93 	u16 idVendor;
94 	u16 idProduct;
95 	char *name;
96 	u8 mapping;
97 	u8 xtype;
98 	u8 flags;
99 } xpad_device[] = {
100 	/* Please keep this list sorted by vendor and product ID. */
101 	{ 0x0079, 0x18d4, "GPD Win 2 X-Box Controller", 0, XTYPE_XBOX360 },
102 	{ 0x0351, 0x1000, "CRKD LP Blueberry Burst Pro Edition (Xbox)", 0, XTYPE_XBOX360 },
103 	{ 0x0351, 0x2000, "CRKD LP Black Tribal Edition (Xbox) ", 0, XTYPE_XBOX360 },
104 	{ 0x03eb, 0xff01, "Wooting One (Legacy)", 0, XTYPE_XBOX360 },
105 	{ 0x03eb, 0xff02, "Wooting Two (Legacy)", 0, XTYPE_XBOX360 },
106 	{ 0x03f0, 0x038D, "HyperX Clutch", 0, XTYPE_XBOX360 },			/* wired */
107 	{ 0x03f0, 0x048D, "HyperX Clutch", 0, XTYPE_XBOX360 },			/* wireless */
108 	{ 0x03f0, 0x0495, "HyperX Clutch Gladiate", 0, XTYPE_XBOXONE },
109 	{ 0x03f0, 0x07A0, "HyperX Clutch Gladiate RGB", 0, XTYPE_XBOXONE },
110 	{ 0x03f0, 0x08B6, "HyperX Clutch Gladiate", MAP_SHARE_BUTTON, XTYPE_XBOXONE },		/* v2 */
111 	{ 0x03f0, 0x09B4, "HyperX Clutch Tanto", 0, XTYPE_XBOXONE },
112 	{ 0x044f, 0x0f00, "Thrustmaster Wheel", 0, XTYPE_XBOX },
113 	{ 0x044f, 0x0f03, "Thrustmaster Wheel", 0, XTYPE_XBOX },
114 	{ 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
115 	{ 0x044f, 0x0f10, "Thrustmaster Modena GT Wheel", 0, XTYPE_XBOX },
116 	{ 0x044f, 0xb326, "Thrustmaster Gamepad GP XID", 0, XTYPE_XBOX360 },
117 	{ 0x044f, 0xd01e, "ThrustMaster, Inc. ESWAP X 2 ELDEN RING EDITION", 0, XTYPE_XBOXONE },
118 	{ 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", 0, XTYPE_XBOX },
119 	{ 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", 0, XTYPE_XBOX },
120 	{ 0x045e, 0x0287, "Microsoft Xbox Controller S", 0, XTYPE_XBOX },
121 	{ 0x045e, 0x0288, "Microsoft Xbox Controller S v2", 0, XTYPE_XBOX },
122 	{ 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", 0, XTYPE_XBOX },
123 	{ 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 },
124 	{ 0x045e, 0x028f, "Microsoft X-Box 360 pad v2", 0, XTYPE_XBOX360 },
125 	{ 0x045e, 0x0291, "Xbox 360 Wireless Receiver (XBOX)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
126 	{ 0x045e, 0x02a9, "Xbox 360 Wireless Receiver (Unofficial)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
127 	{ 0x045e, 0x02d1, "Microsoft X-Box One pad", 0, XTYPE_XBOXONE },
128 	{ 0x045e, 0x02dd, "Microsoft X-Box One pad (Firmware 2015)", 0, XTYPE_XBOXONE },
129 	{ 0x045e, 0x02e3, "Microsoft X-Box One Elite pad", MAP_PADDLES, XTYPE_XBOXONE },
130 	{ 0x045e, 0x02ea, "Microsoft X-Box One S pad", 0, XTYPE_XBOXONE },
131 	{ 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
132 	{ 0x045e, 0x0b00, "Microsoft X-Box One Elite 2 pad", MAP_PADDLES, XTYPE_XBOXONE },
133 	{ 0x045e, 0x0b0a, "Microsoft X-Box Adaptive Controller", MAP_PROFILE_BUTTON, XTYPE_XBOXONE },
134 	{ 0x045e, 0x0b12, "Microsoft Xbox Series S|X Controller", MAP_SHARE_BUTTON | MAP_SHARE_OFFSET, XTYPE_XBOXONE },
135 	{ 0x046d, 0xc21d, "Logitech Gamepad F310", 0, XTYPE_XBOX360 },
136 	{ 0x046d, 0xc21e, "Logitech Gamepad F510", 0, XTYPE_XBOX360 },
137 	{ 0x046d, 0xc21f, "Logitech Gamepad F710", 0, XTYPE_XBOX360 },
138 	{ 0x046d, 0xc242, "Logitech Chillstream Controller", 0, XTYPE_XBOX360 },
139 	{ 0x046d, 0xca84, "Logitech Xbox Cordless Controller", 0, XTYPE_XBOX },
140 	{ 0x046d, 0xca88, "Logitech Compact Controller for Xbox", 0, XTYPE_XBOX },
141 	{ 0x046d, 0xca8a, "Logitech Precision Vibration Feedback Wheel", 0, XTYPE_XBOX },
142 	{ 0x046d, 0xcaa3, "Logitech DriveFx Racing Wheel", 0, XTYPE_XBOX360 },
143 	{ 0x0502, 0x1305, "Acer NGR200", 0, XTYPE_XBOX360 },
144 	{ 0x056e, 0x2004, "Elecom JC-U3613M", 0, XTYPE_XBOX360 },
145 	{ 0x05fd, 0x1007, "Mad Catz Controller (unverified)", 0, XTYPE_XBOX },
146 	{ 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", 0, XTYPE_XBOX },
147 	{ 0x05fe, 0x3030, "Chic Controller", 0, XTYPE_XBOX },
148 	{ 0x05fe, 0x3031, "Chic Controller", 0, XTYPE_XBOX },
149 	{ 0x062a, 0x0020, "Logic3 Xbox GamePad", 0, XTYPE_XBOX },
150 	{ 0x062a, 0x0033, "Competition Pro Steering Wheel", 0, XTYPE_XBOX },
151 	{ 0x06a3, 0x0200, "Saitek Racing Wheel", 0, XTYPE_XBOX },
152 	{ 0x06a3, 0x0201, "Saitek Adrenalin", 0, XTYPE_XBOX },
153 	{ 0x06a3, 0xf51a, "Saitek P3600", 0, XTYPE_XBOX360 },
154 	{ 0x0738, 0x4503, "Mad Catz Racing Wheel", 0, XTYPE_XBOXONE },
155 	{ 0x0738, 0x4506, "Mad Catz 4506 Wireless Controller", 0, XTYPE_XBOX },
156 	{ 0x0738, 0x4516, "Mad Catz Control Pad", 0, XTYPE_XBOX },
157 	{ 0x0738, 0x4520, "Mad Catz Control Pad Pro", 0, XTYPE_XBOX },
158 	{ 0x0738, 0x4522, "Mad Catz LumiCON", 0, XTYPE_XBOX },
159 	{ 0x0738, 0x4526, "Mad Catz Control Pad Pro", 0, XTYPE_XBOX },
160 	{ 0x0738, 0x4530, "Mad Catz Universal MC2 Racing Wheel and Pedals", 0, XTYPE_XBOX },
161 	{ 0x0738, 0x4536, "Mad Catz MicroCON", 0, XTYPE_XBOX },
162 	{ 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
163 	{ 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", 0, XTYPE_XBOX },
164 	{ 0x0738, 0x4586, "Mad Catz MicroCon Wireless Controller", 0, XTYPE_XBOX },
165 	{ 0x0738, 0x4588, "Mad Catz Blaster", 0, XTYPE_XBOX },
166 	{ 0x0738, 0x45ff, "Mad Catz Beat Pad (w/ Handle)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
167 	{ 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
168 	{ 0x0738, 0x4718, "Mad Catz Street Fighter IV FightStick SE", 0, XTYPE_XBOX360 },
169 	{ 0x0738, 0x4726, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 },
170 	{ 0x0738, 0x4728, "Mad Catz Street Fighter IV FightPad", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
171 	{ 0x0738, 0x4736, "Mad Catz MicroCon Gamepad", 0, XTYPE_XBOX360 },
172 	{ 0x0738, 0x4738, "Mad Catz Wired Xbox 360 Controller (SFIV)", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
173 	{ 0x0738, 0x4740, "Mad Catz Beat Pad", 0, XTYPE_XBOX360 },
174 	{ 0x0738, 0x4743, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
175 	{ 0x0738, 0x4758, "Mad Catz Arcade Game Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
176 	{ 0x0738, 0x4a01, "Mad Catz FightStick TE 2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
177 	{ 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
178 	{ 0x0738, 0x9871, "Mad Catz Portable Drum", 0, XTYPE_XBOX360 },
179 	{ 0x0738, 0xb726, "Mad Catz Xbox controller - MW2", 0, XTYPE_XBOX360 },
180 	{ 0x0738, 0xb738, "Mad Catz MVC2TE Stick 2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
181 	{ 0x0738, 0xbeef, "Mad Catz JOYTECH NEO SE Advanced GamePad", 0, XTYPE_XBOX360 },
182 	{ 0x0738, 0xcb02, "Saitek Cyborg Rumble Pad - PC/Xbox 360", 0, XTYPE_XBOX360 },
183 	{ 0x0738, 0xcb03, "Saitek P3200 Rumble Pad - PC/Xbox 360", 0, XTYPE_XBOX360 },
184 	{ 0x0738, 0xcb29, "Saitek Aviator Stick AV8R02", 0, XTYPE_XBOX360 },
185 	{ 0x0738, 0xf738, "Super SFIV FightStick TE S", 0, XTYPE_XBOX360 },
186 	{ 0x07ff, 0xffff, "Mad Catz GamePad", 0, XTYPE_XBOX360 },
187 	{ 0x0b05, 0x1a38, "ASUS ROG RAIKIRI", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
188 	{ 0x0b05, 0x1abb, "ASUS ROG RAIKIRI PRO", 0, XTYPE_XBOXONE },
189 	{ 0x0c12, 0x0005, "Intec wireless", 0, XTYPE_XBOX },
190 	{ 0x0c12, 0x8801, "Nyko Xbox Controller", 0, XTYPE_XBOX },
191 	{ 0x0c12, 0x8802, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
192 	{ 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", DANCEPAD_MAP_CONFIG, XTYPE_XBOX },
193 	{ 0x0c12, 0x880a, "Pelican Eclipse PL-2023", 0, XTYPE_XBOX },
194 	{ 0x0c12, 0x8810, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
195 	{ 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX },
196 	{ 0x0d2f, 0x0002, "Andamiro Pump It Up pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
197 	{ 0x0db0, 0x1901, "Micro Star International Xbox360 Controller for Windows", 0, XTYPE_XBOX360 },
198 	{ 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX },
199 	{ 0x0e4c, 0x1103, "Radica Gamester Reflex", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX },
200 	{ 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX },
201 	{ 0x0e4c, 0x3510, "Radica Gamester", 0, XTYPE_XBOX },
202 	{ 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", 0, XTYPE_XBOX },
203 	{ 0x0e6f, 0x0005, "Eclipse wireless Controller", 0, XTYPE_XBOX },
204 	{ 0x0e6f, 0x0006, "Edge wireless Controller", 0, XTYPE_XBOX },
205 	{ 0x0e6f, 0x0008, "After Glow Pro Controller", 0, XTYPE_XBOX },
206 	{ 0x0e6f, 0x0105, "HSM3 Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
207 	{ 0x0e6f, 0x0113, "Afterglow AX.1 Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
208 	{ 0x0e6f, 0x011f, "Rock Candy Gamepad Wired Controller", 0, XTYPE_XBOX360 },
209 	{ 0x0e6f, 0x0131, "PDP EA Sports Controller", 0, XTYPE_XBOX360 },
210 	{ 0x0e6f, 0x0133, "Xbox 360 Wired Controller", 0, XTYPE_XBOX360 },
211 	{ 0x0e6f, 0x0139, "Afterglow Prismatic Wired Controller", 0, XTYPE_XBOXONE },
212 	{ 0x0e6f, 0x013a, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
213 	{ 0x0e6f, 0x0146, "Rock Candy Wired Controller for Xbox One", 0, XTYPE_XBOXONE },
214 	{ 0x0e6f, 0x0147, "PDP Marvel Xbox One Controller", 0, XTYPE_XBOXONE },
215 	{ 0x0e6f, 0x015c, "PDP Xbox One Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
216 	{ 0x0e6f, 0x015d, "PDP Mirror's Edge Official Wired Controller for Xbox One", 0, XTYPE_XBOXONE },
217 	{ 0x0e6f, 0x0161, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
218 	{ 0x0e6f, 0x0162, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
219 	{ 0x0e6f, 0x0163, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
220 	{ 0x0e6f, 0x0164, "PDP Battlefield One", 0, XTYPE_XBOXONE },
221 	{ 0x0e6f, 0x0165, "PDP Titanfall 2", 0, XTYPE_XBOXONE },
222 	{ 0x0e6f, 0x0201, "Pelican PL-3601 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
223 	{ 0x0e6f, 0x0213, "Afterglow Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
224 	{ 0x0e6f, 0x021f, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
225 	{ 0x0e6f, 0x0246, "Rock Candy Gamepad for Xbox One 2015", 0, XTYPE_XBOXONE },
226 	{ 0x0e6f, 0x02a0, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
227 	{ 0x0e6f, 0x02a1, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
228 	{ 0x0e6f, 0x02a2, "PDP Wired Controller for Xbox One - Crimson Red", 0, XTYPE_XBOXONE },
229 	{ 0x0e6f, 0x02a4, "PDP Wired Controller for Xbox One - Stealth Series", 0, XTYPE_XBOXONE },
230 	{ 0x0e6f, 0x02a6, "PDP Wired Controller for Xbox One - Camo Series", 0, XTYPE_XBOXONE },
231 	{ 0x0e6f, 0x02a7, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
232 	{ 0x0e6f, 0x02a8, "PDP Xbox One Controller", 0, XTYPE_XBOXONE },
233 	{ 0x0e6f, 0x02ab, "PDP Controller for Xbox One", 0, XTYPE_XBOXONE },
234 	{ 0x0e6f, 0x02ad, "PDP Wired Controller for Xbox One - Stealth Series", 0, XTYPE_XBOXONE },
235 	{ 0x0e6f, 0x02b3, "Afterglow Prismatic Wired Controller", 0, XTYPE_XBOXONE },
236 	{ 0x0e6f, 0x02b8, "Afterglow Prismatic Wired Controller", 0, XTYPE_XBOXONE },
237 	{ 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 },
238 	{ 0x0e6f, 0x0346, "Rock Candy Gamepad for Xbox One 2016", 0, XTYPE_XBOXONE },
239 	{ 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 },
240 	{ 0x0e6f, 0x0413, "Afterglow AX.1 Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
241 	{ 0x0e6f, 0x0501, "PDP Xbox 360 Controller", 0, XTYPE_XBOX360 },
242 	{ 0x0e6f, 0xf900, "PDP Afterglow AX.1", 0, XTYPE_XBOX360 },
243 	{ 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", 0, XTYPE_XBOX },
244 	{ 0x0e8f, 0x3008, "Generic xbox control (dealextreme)", 0, XTYPE_XBOX },
245 	{ 0x0f0d, 0x000a, "Hori Co. DOA4 FightStick", 0, XTYPE_XBOX360 },
246 	{ 0x0f0d, 0x000c, "Hori PadEX Turbo", 0, XTYPE_XBOX360 },
247 	{ 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
248 	{ 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
249 	{ 0x0f0d, 0x001b, "Hori Real Arcade Pro VX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
250 	{ 0x0f0d, 0x0063, "Hori Real Arcade Pro Hayabusa (USA) Xbox One", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
251 	{ 0x0f0d, 0x0067, "HORIPAD ONE", 0, XTYPE_XBOXONE },
252 	{ 0x0f0d, 0x0078, "Hori Real Arcade Pro V Kai Xbox One", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
253 	{ 0x0f0d, 0x00c5, "Hori Fighting Commander ONE", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
254 	{ 0x0f0d, 0x00dc, "HORIPAD FPS for Nintendo Switch", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
255 	{ 0x0f0d, 0x0151, "Hori Racing Wheel Overdrive for Xbox Series X", 0, XTYPE_XBOXONE },
256 	{ 0x0f0d, 0x0152, "Hori Racing Wheel Overdrive for Xbox Series X", 0, XTYPE_XBOXONE },
257 	{ 0x0f0d, 0x01b2, "HORI Taiko No Tatsujin Drum Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
258 	{ 0x0f30, 0x010b, "Philips Recoil", 0, XTYPE_XBOX },
259 	{ 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX },
260 	{ 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX },
261 	{ 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", 0, XTYPE_XBOX },
262 	{ 0x1038, 0x1430, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 },
263 	{ 0x1038, 0x1431, "SteelSeries Stratus Duo", 0, XTYPE_XBOX360 },
264 	{ 0x10f5, 0x7005, "Turtle Beach Recon Controller", 0, XTYPE_XBOXONE },
265 	{ 0x10f5, 0x7008, "Turtle Beach Recon Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
266 	{ 0x10f5, 0x7073, "Turtle Beach Stealth Ultra Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
267 	{ 0x11c9, 0x55f0, "Nacon GC-100XF", 0, XTYPE_XBOX360 },
268 	{ 0x11ff, 0x0511, "PXN V900", 0, XTYPE_XBOX360 },
269 	{ 0x1209, 0x2882, "Ardwiino Controller", 0, XTYPE_XBOX360 },
270 	{ 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
271 	{ 0x12ab, 0x0301, "PDP AFTERGLOW AX.1", 0, XTYPE_XBOX360 },
272 	{ 0x12ab, 0x0303, "Mortal Kombat Klassic FightStick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
273 	{ 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
274 	{ 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", 0, XTYPE_XBOX360 },
275 	{ 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
276 	{ 0x1430, 0xf801, "RedOctane Controller", 0, XTYPE_XBOX360 },
277 	{ 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 },
278 	{ 0x146b, 0x0604, "Bigben Interactive DAIJA Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
279 	{ 0x1532, 0x0a00, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
280 	{ 0x1532, 0x0a03, "Razer Wildcat", 0, XTYPE_XBOXONE },
281 	{ 0x1532, 0x0a29, "Razer Wolverine V2", 0, XTYPE_XBOXONE },
282 	{ 0x1532, 0x0a57, "Razer Wolverine V3 Pro (Wired)", 0, XTYPE_XBOX360 },
283 	{ 0x1532, 0x0a59, "Razer Wolverine V3 Pro (2.4 GHz Dongle)", 0, XTYPE_XBOX360 },
284 	{ 0x15e4, 0x3f00, "Power A Mini Pro Elite", 0, XTYPE_XBOX360 },
285 	{ 0x15e4, 0x3f0a, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 },
286 	{ 0x15e4, 0x3f10, "Batarang Xbox 360 controller", 0, XTYPE_XBOX360 },
287 	{ 0x162e, 0xbeef, "Joytech Neo-Se Take2", 0, XTYPE_XBOX360 },
288 	{ 0x1689, 0xfd00, "Razer Onza Tournament Edition", 0, XTYPE_XBOX360 },
289 	{ 0x1689, 0xfd01, "Razer Onza Classic Edition", 0, XTYPE_XBOX360 },
290 	{ 0x1689, 0xfe00, "Razer Sabertooth", 0, XTYPE_XBOX360 },
291 	{ 0x17ef, 0x6182, "Lenovo Legion Controller for Windows", 0, XTYPE_XBOX360 },
292 	{ 0x1949, 0x041a, "Amazon Game Controller", 0, XTYPE_XBOX360 },
293 	{ 0x1a86, 0xe310, "Legion Go S", 0, XTYPE_XBOX360 },
294 	{ 0x1bad, 0x0002, "Harmonix Rock Band Guitar", 0, XTYPE_XBOX360 },
295 	{ 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
296 	{ 0x1bad, 0x0130, "Ion Drum Rocker", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
297 	{ 0x1bad, 0xf016, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 },
298 	{ 0x1bad, 0xf018, "Mad Catz Street Fighter IV SE Fighting Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
299 	{ 0x1bad, 0xf019, "Mad Catz Brawlstick for Xbox 360", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
300 	{ 0x1bad, 0xf021, "Mad Cats Ghost Recon FS GamePad", 0, XTYPE_XBOX360 },
301 	{ 0x1bad, 0xf023, "MLG Pro Circuit Controller (Xbox)", 0, XTYPE_XBOX360 },
302 	{ 0x1bad, 0xf025, "Mad Catz Call Of Duty", 0, XTYPE_XBOX360 },
303 	{ 0x1bad, 0xf027, "Mad Catz FPS Pro", 0, XTYPE_XBOX360 },
304 	{ 0x1bad, 0xf028, "Street Fighter IV FightPad", 0, XTYPE_XBOX360 },
305 	{ 0x1bad, 0xf02e, "Mad Catz Fightpad", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
306 	{ 0x1bad, 0xf030, "Mad Catz Xbox 360 MC2 MicroCon Racing Wheel", 0, XTYPE_XBOX360 },
307 	{ 0x1bad, 0xf036, "Mad Catz MicroCon GamePad Pro", 0, XTYPE_XBOX360 },
308 	{ 0x1bad, 0xf038, "Street Fighter IV FightStick TE", 0, XTYPE_XBOX360 },
309 	{ 0x1bad, 0xf039, "Mad Catz MvC2 TE", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
310 	{ 0x1bad, 0xf03a, "Mad Catz SFxT Fightstick Pro", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
311 	{ 0x1bad, 0xf03d, "Street Fighter IV Arcade Stick TE - Chun Li", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
312 	{ 0x1bad, 0xf03e, "Mad Catz MLG FightStick TE", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
313 	{ 0x1bad, 0xf03f, "Mad Catz FightStick SoulCaliber", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
314 	{ 0x1bad, 0xf042, "Mad Catz FightStick TES+", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
315 	{ 0x1bad, 0xf080, "Mad Catz FightStick TE2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
316 	{ 0x1bad, 0xf501, "HoriPad EX2 Turbo", 0, XTYPE_XBOX360 },
317 	{ 0x1bad, 0xf502, "Hori Real Arcade Pro.VX SA", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
318 	{ 0x1bad, 0xf503, "Hori Fighting Stick VX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
319 	{ 0x1bad, 0xf504, "Hori Real Arcade Pro. EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
320 	{ 0x1bad, 0xf505, "Hori Fighting Stick EX2B", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
321 	{ 0x1bad, 0xf506, "Hori Real Arcade Pro.EX Premium VLX", 0, XTYPE_XBOX360 },
322 	{ 0x1bad, 0xf900, "Harmonix Xbox 360 Controller", 0, XTYPE_XBOX360 },
323 	{ 0x1bad, 0xf901, "Gamestop Xbox 360 Controller", 0, XTYPE_XBOX360 },
324 	{ 0x1bad, 0xf903, "Tron Xbox 360 controller", 0, XTYPE_XBOX360 },
325 	{ 0x1bad, 0xf904, "PDP Versus Fighting Pad", 0, XTYPE_XBOX360 },
326 	{ 0x1bad, 0xf906, "MortalKombat FightStick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
327 	{ 0x1bad, 0xfa01, "MadCatz GamePad", 0, XTYPE_XBOX360 },
328 	{ 0x1bad, 0xfd00, "Razer Onza TE", 0, XTYPE_XBOX360 },
329 	{ 0x1bad, 0xfd01, "Razer Onza", 0, XTYPE_XBOX360 },
330 	{ 0x1ee9, 0x1590, "ZOTAC Gaming Zone", 0, XTYPE_XBOX360 },
331 	{ 0x20bc, 0x5134, "BETOP BTP-KP50B Xinput Dongle", 0, XTYPE_XBOX360 },
332 	{ 0x20bc, 0x514a, "BETOP BTP-KP50C Xinput Dongle", 0, XTYPE_XBOX360 },
333 	{ 0x20d6, 0x2001, "BDA Xbox Series X Wired Controller", 0, XTYPE_XBOXONE },
334 	{ 0x20d6, 0x2009, "PowerA Enhanced Wired Controller for Xbox Series X|S", 0, XTYPE_XBOXONE },
335 	{ 0x20d6, 0x2064, "PowerA Wired Controller for Xbox", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
336 	{ 0x20d6, 0x281f, "PowerA Wired Controller For Xbox 360", 0, XTYPE_XBOX360 },
337 	{ 0x20d6, 0x400b, "PowerA FUSION Pro 4 Wired Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
338 	{ 0x20d6, 0x890b, "PowerA MOGA XP-Ultra Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
339 	{ 0x2345, 0xe00b, "Machenike G5 Pro Controller", 0, XTYPE_XBOX360 },
340 	{ 0x24c6, 0x5000, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
341 	{ 0x24c6, 0x5300, "PowerA MINI PROEX Controller", 0, XTYPE_XBOX360 },
342 	{ 0x24c6, 0x5303, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 },
343 	{ 0x24c6, 0x530a, "Xbox 360 Pro EX Controller", 0, XTYPE_XBOX360 },
344 	{ 0x24c6, 0x531a, "PowerA Pro Ex", 0, XTYPE_XBOX360 },
345 	{ 0x24c6, 0x5397, "FUS1ON Tournament Controller", 0, XTYPE_XBOX360 },
346 	{ 0x24c6, 0x541a, "PowerA Xbox One Mini Wired Controller", 0, XTYPE_XBOXONE },
347 	{ 0x24c6, 0x542a, "Xbox ONE spectra", 0, XTYPE_XBOXONE },
348 	{ 0x24c6, 0x543a, "PowerA Xbox One wired controller", 0, XTYPE_XBOXONE },
349 	{ 0x24c6, 0x5500, "Hori XBOX 360 EX 2 with Turbo", 0, XTYPE_XBOX360 },
350 	{ 0x24c6, 0x5501, "Hori Real Arcade Pro VX-SA", 0, XTYPE_XBOX360 },
351 	{ 0x24c6, 0x5502, "Hori Fighting Stick VX Alt", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
352 	{ 0x24c6, 0x5503, "Hori Fighting Edge", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
353 	{ 0x24c6, 0x5506, "Hori SOULCALIBUR V Stick", 0, XTYPE_XBOX360 },
354 	{ 0x24c6, 0x550d, "Hori GEM Xbox controller", 0, XTYPE_XBOX360 },
355 	{ 0x24c6, 0x550e, "Hori Real Arcade Pro V Kai 360", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
356 	{ 0x24c6, 0x5510, "Hori Fighting Commander ONE (Xbox 360/PC Mode)", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
357 	{ 0x24c6, 0x551a, "PowerA FUSION Pro Controller", 0, XTYPE_XBOXONE },
358 	{ 0x24c6, 0x561a, "PowerA FUSION Controller", 0, XTYPE_XBOXONE },
359 	{ 0x24c6, 0x581a, "ThrustMaster XB1 Classic Controller", 0, XTYPE_XBOXONE },
360 	{ 0x24c6, 0x5b00, "ThrustMaster Ferrari 458 Racing Wheel", 0, XTYPE_XBOX360 },
361 	{ 0x24c6, 0x5b02, "Thrustmaster, Inc. GPX Controller", 0, XTYPE_XBOX360 },
362 	{ 0x24c6, 0x5b03, "Thrustmaster Ferrari 458 Racing Wheel", 0, XTYPE_XBOX360 },
363 	{ 0x24c6, 0x5d04, "Razer Sabertooth", 0, XTYPE_XBOX360 },
364 	{ 0x24c6, 0xfafe, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
365 	{ 0x2563, 0x058d, "OneXPlayer Gamepad", 0, XTYPE_XBOX360 },
366 	{ 0x294b, 0x3303, "Snakebyte GAMEPAD BASE X", 0, XTYPE_XBOXONE },
367 	{ 0x294b, 0x3404, "Snakebyte GAMEPAD RGB X", 0, XTYPE_XBOXONE },
368 	{ 0x2993, 0x2001, "TECNO Pocket Go", 0, XTYPE_XBOX360 },
369 	{ 0x2dc8, 0x2000, "8BitDo Pro 2 Wired Controller fox Xbox", 0, XTYPE_XBOXONE },
370 	{ 0x2dc8, 0x200f, "8BitDo Ultimate 3-mode Controller for Xbox", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
371 	{ 0x2dc8, 0x3106, "8BitDo Ultimate Wireless / Pro 2 Wired Controller", 0, XTYPE_XBOX360 },
372 	{ 0x2dc8, 0x3109, "8BitDo Ultimate Wireless Bluetooth", 0, XTYPE_XBOX360 },
373 	{ 0x2dc8, 0x310a, "8BitDo Ultimate 2C Wireless Controller", 0, XTYPE_XBOX360 },
374 	{ 0x2dc8, 0x310b, "8BitDo Ultimate 2 Wireless Controller", 0, XTYPE_XBOX360 },
375 	{ 0x2dc8, 0x6001, "8BitDo SN30 Pro", 0, XTYPE_XBOX360 },
376 	{ 0x2e24, 0x0423, "Hyperkin DuchesS Xbox One pad", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
377 	{ 0x2e24, 0x0652, "Hyperkin Duke X-Box One pad", 0, XTYPE_XBOXONE },
378 	{ 0x2e24, 0x1688, "Hyperkin X91 X-Box One pad", 0, XTYPE_XBOXONE },
379 	{ 0x2e95, 0x0504, "SCUF Gaming Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE },
380 	{ 0x31e3, 0x1100, "Wooting One", 0, XTYPE_XBOX360 },
381 	{ 0x31e3, 0x1200, "Wooting Two", 0, XTYPE_XBOX360 },
382 	{ 0x31e3, 0x1210, "Wooting Lekker", 0, XTYPE_XBOX360 },
383 	{ 0x31e3, 0x1220, "Wooting Two HE", 0, XTYPE_XBOX360 },
384 	{ 0x31e3, 0x1230, "Wooting Two HE (ARM)", 0, XTYPE_XBOX360 },
385 	{ 0x31e3, 0x1300, "Wooting 60HE (AVR)", 0, XTYPE_XBOX360 },
386 	{ 0x31e3, 0x1310, "Wooting 60HE (ARM)", 0, XTYPE_XBOX360 },
387 	{ 0x3285, 0x0603, "Nacon Pro Compact controller for Xbox", 0, XTYPE_XBOXONE },
388 	{ 0x3285, 0x0607, "Nacon GC-100", 0, XTYPE_XBOX360 },
389 	{ 0x3285, 0x0614, "Nacon Pro Compact", 0, XTYPE_XBOXONE },
390 	{ 0x3285, 0x0646, "Nacon Pro Compact", 0, XTYPE_XBOXONE },
391 	{ 0x3285, 0x0662, "Nacon Revolution5 Pro", 0, XTYPE_XBOX360 },
392 	{ 0x3285, 0x0663, "Nacon Evol-X", 0, XTYPE_XBOXONE },
393 	{ 0x3537, 0x1004, "GameSir T4 Kaleid", 0, XTYPE_XBOX360 },
394 	{ 0x3537, 0x1010, "GameSir G7 SE", 0, XTYPE_XBOXONE },
395 	{ 0x3651, 0x1000, "CRKD SG", 0, XTYPE_XBOX360 },
396 	{ 0x366c, 0x0005, "ByoWave Proteus Controller", MAP_SHARE_BUTTON, XTYPE_XBOXONE, FLAG_DELAY_INIT },
397 	{ 0x3767, 0x0101, "Fanatec Speedster 3 Forceshock Wheel", 0, XTYPE_XBOX },
398 	{ 0x37d7, 0x2501, "Flydigi Apex 5", 0, XTYPE_XBOX360 },
399 	{ 0x413d, 0x2104, "Black Shark Green Ghost Gamepad", 0, XTYPE_XBOX360 },
400 	{ 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX },
401 	{ 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN }
402 };
403 
404 /* buttons shared with xbox and xbox360 */
405 static const signed short xpad_common_btn[] = {
406 	BTN_A, BTN_B, BTN_X, BTN_Y,			/* "analog" buttons */
407 	BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR,	/* start/back/sticks */
408 	-1						/* terminating entry */
409 };
410 
411 /* original xbox controllers only */
412 static const signed short xpad_btn[] = {
413 	BTN_C, BTN_Z,		/* "analog" buttons */
414 	-1			/* terminating entry */
415 };
416 
417 /* used when dpad is mapped to buttons */
418 static const signed short xpad_btn_pad[] = {
419 	BTN_DPAD_LEFT, BTN_DPAD_RIGHT,	/* d-pad left, right */
420 	BTN_DPAD_UP, BTN_DPAD_DOWN,	/* d-pad up, down */
421 	-1				/* terminating entry */
422 };
423 
424 /* used when triggers are mapped to buttons */
425 static const signed short xpad_btn_triggers[] = {
426 	BTN_TL2, BTN_TR2,		/* triggers left/right */
427 	-1
428 };
429 
430 static const signed short xpad360_btn[] = {  /* buttons for x360 controller */
431 	BTN_TL, BTN_TR,		/* Button LB/RB */
432 	BTN_MODE,		/* The big X button */
433 	-1
434 };
435 
436 static const signed short xpad_abs[] = {
437 	ABS_X, ABS_Y,		/* left stick */
438 	ABS_RX, ABS_RY,		/* right stick */
439 	-1			/* terminating entry */
440 };
441 
442 /* used when dpad is mapped to axes */
443 static const signed short xpad_abs_pad[] = {
444 	ABS_HAT0X, ABS_HAT0Y,	/* d-pad axes */
445 	-1			/* terminating entry */
446 };
447 
448 /* used when triggers are mapped to axes */
449 static const signed short xpad_abs_triggers[] = {
450 	ABS_Z, ABS_RZ,		/* triggers left/right */
451 	-1
452 };
453 
454 /* used when the controller has extra paddle buttons */
455 static const signed short xpad_btn_paddles[] = {
456 	BTN_GRIPR, BTN_GRIPR2, /* paddle upper right, lower right */
457 	BTN_GRIPL, BTN_GRIPL2, /* paddle upper left, lower left */
458 	-1						/* terminating entry */
459 };
460 
461 /*
462  * Xbox 360 has a vendor-specific class, so we cannot match it with only
463  * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we
464  * match against vendor id as well. Wired Xbox 360 devices have protocol 1,
465  * wireless controllers have protocol 129.
466  */
467 #define XPAD_XBOX360_VENDOR_PROTOCOL(vend, pr) \
468 	.match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \
469 	.idVendor = (vend), \
470 	.bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
471 	.bInterfaceSubClass = 93, \
472 	.bInterfaceProtocol = (pr)
473 #define XPAD_XBOX360_VENDOR(vend) \
474 	{ XPAD_XBOX360_VENDOR_PROTOCOL((vend), 1) }, \
475 	{ XPAD_XBOX360_VENDOR_PROTOCOL((vend), 129) }
476 
477 /* The Xbox One controller uses subclass 71 and protocol 208. */
478 #define XPAD_XBOXONE_VENDOR_PROTOCOL(vend, pr) \
479 	.match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \
480 	.idVendor = (vend), \
481 	.bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
482 	.bInterfaceSubClass = 71, \
483 	.bInterfaceProtocol = (pr)
484 #define XPAD_XBOXONE_VENDOR(vend) \
485 	{ XPAD_XBOXONE_VENDOR_PROTOCOL((vend), 208) }
486 
487 static const struct usb_device_id xpad_table[] = {
488 	/*
489 	 * Please keep this list sorted by vendor ID. Note that there are 2
490 	 * macros - XPAD_XBOX360_VENDOR and XPAD_XBOXONE_VENDOR.
491 	 */
492 	{ USB_INTERFACE_INFO('X', 'B', 0) },	/* Xbox USB-IF not-approved class */
493 	XPAD_XBOX360_VENDOR(0x0079),		/* GPD Win 2 controller */
494 	XPAD_XBOX360_VENDOR(0x0351),		/* CRKD Controllers */
495 	XPAD_XBOX360_VENDOR(0x03eb),		/* Wooting Keyboards (Legacy) */
496 	XPAD_XBOX360_VENDOR(0x03f0),		/* HP HyperX Xbox 360 controllers */
497 	XPAD_XBOXONE_VENDOR(0x03f0),		/* HP HyperX Xbox One controllers */
498 	XPAD_XBOX360_VENDOR(0x044f),		/* Thrustmaster Xbox 360 controllers */
499 	XPAD_XBOXONE_VENDOR(0x044f),		/* Thrustmaster Xbox One controllers */
500 	XPAD_XBOX360_VENDOR(0x045e),		/* Microsoft Xbox 360 controllers */
501 	XPAD_XBOXONE_VENDOR(0x045e),		/* Microsoft Xbox One controllers */
502 	XPAD_XBOX360_VENDOR(0x046d),		/* Logitech Xbox 360-style controllers */
503 	XPAD_XBOX360_VENDOR(0x0502),		/* Acer Inc. Xbox 360 style controllers */
504 	XPAD_XBOX360_VENDOR(0x056e),		/* Elecom JC-U3613M */
505 	XPAD_XBOX360_VENDOR(0x06a3),		/* Saitek P3600 */
506 	XPAD_XBOX360_VENDOR(0x0738),		/* Mad Catz Xbox 360 controllers */
507 	{ USB_DEVICE(0x0738, 0x4540) },		/* Mad Catz Beat Pad */
508 	XPAD_XBOXONE_VENDOR(0x0738),		/* Mad Catz FightStick TE 2 */
509 	XPAD_XBOX360_VENDOR(0x07ff),		/* Mad Catz Gamepad */
510 	XPAD_XBOXONE_VENDOR(0x0b05),		/* ASUS controllers */
511 	XPAD_XBOX360_VENDOR(0x0c12),		/* Zeroplus X-Box 360 controllers */
512 	XPAD_XBOX360_VENDOR(0x0db0),		/* Micro Star International X-Box 360 controllers */
513 	XPAD_XBOX360_VENDOR(0x0e6f),		/* 0x0e6f Xbox 360 controllers */
514 	XPAD_XBOXONE_VENDOR(0x0e6f),		/* 0x0e6f Xbox One controllers */
515 	XPAD_XBOX360_VENDOR(0x0f0d),		/* Hori controllers */
516 	XPAD_XBOXONE_VENDOR(0x0f0d),		/* Hori controllers */
517 	XPAD_XBOX360_VENDOR(0x1038),		/* SteelSeries controllers */
518 	XPAD_XBOXONE_VENDOR(0x10f5),		/* Turtle Beach Controllers */
519 	XPAD_XBOX360_VENDOR(0x11c9),		/* Nacon GC100XF */
520 	XPAD_XBOX360_VENDOR(0x11ff),		/* PXN V900 */
521 	XPAD_XBOX360_VENDOR(0x1209),		/* Ardwiino Controllers */
522 	XPAD_XBOX360_VENDOR(0x12ab),		/* Xbox 360 dance pads */
523 	XPAD_XBOX360_VENDOR(0x1430),		/* RedOctane Xbox 360 controllers */
524 	XPAD_XBOX360_VENDOR(0x146b),		/* Bigben Interactive controllers */
525 	XPAD_XBOX360_VENDOR(0x1532),		/* Razer Sabertooth */
526 	XPAD_XBOXONE_VENDOR(0x1532),		/* Razer Wildcat */
527 	XPAD_XBOX360_VENDOR(0x15e4),		/* Numark Xbox 360 controllers */
528 	XPAD_XBOX360_VENDOR(0x162e),		/* Joytech Xbox 360 controllers */
529 	XPAD_XBOX360_VENDOR(0x1689),		/* Razer Onza */
530 	XPAD_XBOX360_VENDOR(0x17ef),		/* Lenovo */
531 	XPAD_XBOX360_VENDOR(0x1949),		/* Amazon controllers */
532 	XPAD_XBOX360_VENDOR(0x1a86),		/* Nanjing Qinheng Microelectronics (WCH) */
533 	XPAD_XBOX360_VENDOR(0x1bad),		/* Harmonix Rock Band guitar and drums */
534 	XPAD_XBOX360_VENDOR(0x1ee9),		/* ZOTAC Technology Limited */
535 	XPAD_XBOX360_VENDOR(0x20bc),		/* BETOP wireless dongles */
536 	XPAD_XBOX360_VENDOR(0x20d6),		/* PowerA controllers */
537 	XPAD_XBOXONE_VENDOR(0x20d6),		/* PowerA controllers */
538 	XPAD_XBOX360_VENDOR(0x2345),		/* Machenike Controllers */
539 	XPAD_XBOX360_VENDOR(0x24c6),		/* PowerA controllers */
540 	XPAD_XBOXONE_VENDOR(0x24c6),		/* PowerA controllers */
541 	XPAD_XBOX360_VENDOR(0x2563),		/* OneXPlayer Gamepad */
542 	XPAD_XBOX360_VENDOR(0x260d),		/* Dareu H101 */
543 	XPAD_XBOXONE_VENDOR(0x294b),		/* Snakebyte */
544 	XPAD_XBOX360_VENDOR(0x2993),		/* TECNO Mobile */
545 	XPAD_XBOX360_VENDOR(0x2c22),		/* Qanba Controllers */
546 	XPAD_XBOX360_VENDOR(0x2dc8),		/* 8BitDo Controllers */
547 	XPAD_XBOXONE_VENDOR(0x2dc8),		/* 8BitDo Controllers */
548 	XPAD_XBOXONE_VENDOR(0x2e24),		/* Hyperkin Controllers */
549 	XPAD_XBOX360_VENDOR(0x2f24),		/* GameSir Controllers */
550 	XPAD_XBOXONE_VENDOR(0x2e95),		/* SCUF Gaming Controller */
551 	XPAD_XBOX360_VENDOR(0x31e3),		/* Wooting Keyboards */
552 	XPAD_XBOX360_VENDOR(0x3285),		/* Nacon GC-100 */
553 	XPAD_XBOXONE_VENDOR(0x3285),		/* Nacon Evol-X */
554 	XPAD_XBOX360_VENDOR(0x3537),		/* GameSir Controllers */
555 	XPAD_XBOXONE_VENDOR(0x3537),		/* GameSir Controllers */
556 	XPAD_XBOX360_VENDOR(0x3651),		/* CRKD Controllers */
557 	XPAD_XBOXONE_VENDOR(0x366c),		/* ByoWave controllers */
558 	XPAD_XBOX360_VENDOR(0x37d7),		/* Flydigi Controllers */
559 	XPAD_XBOX360_VENDOR(0x3958),		/* RedOctane Games Controllers */
560 	XPAD_XBOX360_VENDOR(0x413d),		/* Black Shark Green Ghost Controller */
561 	{ }
562 };
563 
564 MODULE_DEVICE_TABLE(usb, xpad_table);
565 
566 struct xboxone_init_packet {
567 	u16 idVendor;
568 	u16 idProduct;
569 	const u8 *data;
570 	u8 len;
571 };
572 
573 #define XBOXONE_INIT_PKT(_vid, _pid, _data)		\
574 	{						\
575 		.idVendor	= (_vid),		\
576 		.idProduct	= (_pid),		\
577 		.data		= (_data),		\
578 		.len		= ARRAY_SIZE(_data),	\
579 	}
580 
581 /*
582  * starting with xbox one, the game input protocol is used
583  * magic numbers are taken from
584  * - https://github.com/xpadneo/gip-dissector/blob/main/src/gip-dissector.lua
585  * - https://github.com/medusalix/xone/blob/master/bus/protocol.c
586  */
587 #define GIP_CMD_ACK      0x01
588 #define GIP_CMD_ANNOUNCE 0x02
589 #define GIP_CMD_IDENTIFY 0x04
590 #define GIP_CMD_POWER    0x05
591 #define GIP_CMD_AUTHENTICATE 0x06
592 #define GIP_CMD_VIRTUAL_KEY  0x07
593 #define GIP_CMD_RUMBLE   0x09
594 #define GIP_CMD_LED      0x0a
595 #define GIP_CMD_FIRMWARE 0x0c
596 #define GIP_CMD_INPUT    0x20
597 
598 #define GIP_SEQ0 0x00
599 
600 #define GIP_OPT_ACK      0x10
601 #define GIP_OPT_INTERNAL 0x20
602 
603 /*
604  * length of the command payload encoded with
605  * https://en.wikipedia.org/wiki/LEB128
606  * which is a no-op for N < 128
607  */
608 #define GIP_PL_LEN(N) (N)
609 
610 /*
611  * payload specific defines
612  */
613 #define GIP_PWR_ON 0x00
614 #define GIP_LED_ON 0x01
615 
616 #define GIP_MOTOR_R  BIT(0)
617 #define GIP_MOTOR_L  BIT(1)
618 #define GIP_MOTOR_RT BIT(2)
619 #define GIP_MOTOR_LT BIT(3)
620 #define GIP_MOTOR_ALL (GIP_MOTOR_R | GIP_MOTOR_L | GIP_MOTOR_RT | GIP_MOTOR_LT)
621 
622 #define GIP_WIRED_INTF_DATA 0
623 #define GIP_WIRED_INTF_AUDIO 1
624 
625 /*
626  * This packet is required for all Xbox One pads with 2015
627  * or later firmware installed (or present from the factory).
628  */
629 static const u8 xboxone_power_on[] = {
630 	GIP_CMD_POWER, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(1), GIP_PWR_ON
631 };
632 
633 /*
634  * This packet is required for Xbox One S (0x045e:0x02ea)
635  * and Xbox One Elite Series 2 (0x045e:0x0b00) pads to
636  * initialize the controller that was previously used in
637  * Bluetooth mode.
638  */
639 static const u8 xboxone_s_init[] = {
640 	GIP_CMD_POWER, GIP_OPT_INTERNAL, GIP_SEQ0, 0x0f, 0x06
641 };
642 
643 /*
644  * This packet is required to get additional input data
645  * from Xbox One Elite Series 2 (0x045e:0x0b00) pads.
646  * We mostly do this right now to get paddle data
647  */
648 static const u8 extra_input_packet_init[] = {
649 	0x4d, 0x10, 0x01, 0x02, 0x07, 0x00
650 };
651 
652 /*
653  * This packet is required for the Titanfall 2 Xbox One pads
654  * (0x0e6f:0x0165) to finish initialization and for Hori pads
655  * (0x0f0d:0x0067) to make the analog sticks work.
656  */
657 static const u8 xboxone_hori_ack_id[] = {
658 	GIP_CMD_ACK, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(9),
659 	0x00, GIP_CMD_IDENTIFY, GIP_OPT_INTERNAL, 0x3a, 0x00, 0x00, 0x00, 0x80, 0x00
660 };
661 
662 /*
663  * This packet is sent by default on Windows, and is required for some pads to
664  * start sending input reports, including most (all?) of the PDP. These pads
665  * include: (0x0e6f:0x02ab), (0x0e6f:0x02a4), (0x0e6f:0x02a6).
666  */
667 static const u8 xboxone_led_on[] = { GIP_CMD_LED, GIP_OPT_INTERNAL, GIP_SEQ0,
668 GIP_PL_LEN(3), 0x00, GIP_LED_ON, 0x14 };
669 
670 /*
671  * This packet is required for most (all?) of the PDP pads to start
672  * sending input reports. These pads include: (0x0e6f:0x02ab),
673  * (0x0e6f:0x02a4), (0x0e6f:0x02a6).
674  */
675 static const u8 xboxone_auth_done[] = {
676 	GIP_CMD_AUTHENTICATE, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(2), 0x01, 0x00
677 };
678 
679 /*
680  * A specific rumble packet is required for some PowerA pads to start
681  * sending input reports. One of those pads is (0x24c6:0x543a).
682  */
683 static const u8 xboxone_rumblebegin_init[] = {
684 	GIP_CMD_RUMBLE, 0x00, GIP_SEQ0, GIP_PL_LEN(9),
685 	0x00, GIP_MOTOR_ALL, 0x00, 0x00, 0x1D, 0x1D, 0xFF, 0x00, 0x00
686 };
687 
688 /*
689  * A rumble packet with zero FF intensity will immediately
690  * terminate the rumbling required to init PowerA pads.
691  * This should happen fast enough that the motors don't
692  * spin up to enough speed to actually vibrate the gamepad.
693  */
694 static const u8 xboxone_rumbleend_init[] = {
695 	GIP_CMD_RUMBLE, 0x00, GIP_SEQ0, GIP_PL_LEN(9),
696 	0x00, GIP_MOTOR_ALL, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
697 };
698 
699 /*
700  * This specifies the selection of init packets that a gamepad
701  * will be sent on init *and* the order in which they will be
702  * sent. The correct sequence number will be added when the
703  * packet is going to be sent.
704  */
705 static const struct xboxone_init_packet xboxone_init_packets[] = {
706 	XBOXONE_INIT_PKT(0x0e6f, 0x0165, xboxone_hori_ack_id),
707 	XBOXONE_INIT_PKT(0x0f0d, 0x0067, xboxone_hori_ack_id),
708 	XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_power_on),
709 	XBOXONE_INIT_PKT(0x045e, 0x02ea, xboxone_s_init),
710 	XBOXONE_INIT_PKT(0x045e, 0x0b00, xboxone_s_init),
711 	XBOXONE_INIT_PKT(0x045e, 0x0b00, extra_input_packet_init),
712 	XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_led_on),
713 	XBOXONE_INIT_PKT(0x0000, 0x0000, xboxone_auth_done),
714 	XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumblebegin_init),
715 	XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumblebegin_init),
716 	XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumblebegin_init),
717 	XBOXONE_INIT_PKT(0x24c6, 0x541a, xboxone_rumbleend_init),
718 	XBOXONE_INIT_PKT(0x24c6, 0x542a, xboxone_rumbleend_init),
719 	XBOXONE_INIT_PKT(0x24c6, 0x543a, xboxone_rumbleend_init),
720 };
721 
722 struct xpad_output_packet {
723 	u8 data[XPAD_PKT_LEN];
724 	u8 len;
725 	bool pending;
726 };
727 
728 #define XPAD_OUT_CMD_IDX	0
729 #define XPAD_OUT_FF_IDX		1
730 #define XPAD_OUT_LED_IDX	(1 + IS_ENABLED(CONFIG_JOYSTICK_XPAD_FF))
731 #define XPAD_NUM_OUT_PACKETS	(1 + \
732 				 IS_ENABLED(CONFIG_JOYSTICK_XPAD_FF) + \
733 				 IS_ENABLED(CONFIG_JOYSTICK_XPAD_LEDS))
734 
735 struct usb_xpad {
736 	struct input_dev *dev;		/* input device interface */
737 	struct input_dev __rcu *x360w_dev;
738 	struct usb_device *udev;	/* usb device */
739 	struct usb_interface *intf;	/* usb interface */
740 
741 	bool pad_present;
742 	bool input_created;
743 
744 	struct urb *irq_in;		/* urb for interrupt in report */
745 	unsigned char *idata;		/* input data */
746 	dma_addr_t idata_dma;
747 
748 	struct urb *irq_out;		/* urb for interrupt out report */
749 	struct usb_anchor irq_out_anchor;
750 	bool irq_out_active;		/* we must not use an active URB */
751 	u8 odata_serial;		/* serial number for xbox one protocol */
752 	unsigned char *odata;		/* output data */
753 	dma_addr_t odata_dma;
754 	spinlock_t odata_lock;
755 
756 	struct xpad_output_packet out_packets[XPAD_NUM_OUT_PACKETS];
757 	int last_out_packet;
758 	int init_seq;
759 
760 #if defined(CONFIG_JOYSTICK_XPAD_LEDS)
761 	struct xpad_led *led;
762 #endif
763 
764 	char phys[64];			/* physical device path */
765 
766 	int mapping;			/* map d-pad to buttons or to axes */
767 	int xtype;			/* type of xbox device */
768 	int packet_type;		/* type of the extended packet */
769 	int pad_nr;			/* the order x360 pads were attached */
770 	const char *name;		/* name of the device */
771 	struct work_struct work;	/* init/remove device from callback */
772 	time64_t mode_btn_down_ts;
773 	bool delay_init;		/* init packets should be delayed */
774 	bool delayed_init_done;
775 };
776 
777 static int xpad_init_input(struct usb_xpad *xpad);
778 static void xpad_deinit_input(struct usb_xpad *xpad);
779 static int xpad_start_input(struct usb_xpad *xpad);
780 static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num);
781 static void xpad360w_poweroff_controller(struct usb_xpad *xpad);
782 
783 /*
784  *	xpad_process_packet
785  *
786  *	Completes a request by converting the data into events for the
787  *	input subsystem.
788  *
789  *	The used report descriptor was taken from ITO Takayuki's website:
790  *	 http://euc.jp/periphs/xbox-controller.ja.html
791  */
xpad_process_packet(struct usb_xpad * xpad,u16 cmd,unsigned char * data)792 static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
793 {
794 	struct input_dev *dev = xpad->dev;
795 
796 	if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
797 		/* left stick */
798 		input_report_abs(dev, ABS_X,
799 				 (__s16) le16_to_cpup((__le16 *)(data + 12)));
800 		input_report_abs(dev, ABS_Y,
801 				 ~(__s16) le16_to_cpup((__le16 *)(data + 14)));
802 
803 		/* right stick */
804 		input_report_abs(dev, ABS_RX,
805 				 (__s16) le16_to_cpup((__le16 *)(data + 16)));
806 		input_report_abs(dev, ABS_RY,
807 				 ~(__s16) le16_to_cpup((__le16 *)(data + 18)));
808 	}
809 
810 	/* triggers left/right */
811 	if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
812 		input_report_key(dev, BTN_TL2, data[10]);
813 		input_report_key(dev, BTN_TR2, data[11]);
814 	} else {
815 		input_report_abs(dev, ABS_Z, data[10]);
816 		input_report_abs(dev, ABS_RZ, data[11]);
817 	}
818 
819 	/* digital pad */
820 	if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
821 		/* dpad as buttons (left, right, up, down) */
822 		input_report_key(dev, BTN_DPAD_LEFT, data[2] & BIT(2));
823 		input_report_key(dev, BTN_DPAD_RIGHT, data[2] & BIT(3));
824 		input_report_key(dev, BTN_DPAD_UP, data[2] & BIT(0));
825 		input_report_key(dev, BTN_DPAD_DOWN, data[2] & BIT(1));
826 	} else {
827 		input_report_abs(dev, ABS_HAT0X,
828 				 !!(data[2] & 0x08) - !!(data[2] & 0x04));
829 		input_report_abs(dev, ABS_HAT0Y,
830 				 !!(data[2] & 0x02) - !!(data[2] & 0x01));
831 	}
832 
833 	/* start/back buttons and stick press left/right */
834 	input_report_key(dev, BTN_START,  data[2] & BIT(4));
835 	input_report_key(dev, BTN_SELECT, data[2] & BIT(5));
836 	input_report_key(dev, BTN_THUMBL, data[2] & BIT(6));
837 	input_report_key(dev, BTN_THUMBR, data[2] & BIT(7));
838 
839 	/* "analog" buttons A, B, X, Y */
840 	input_report_key(dev, BTN_A, data[4]);
841 	input_report_key(dev, BTN_B, data[5]);
842 	input_report_key(dev, BTN_X, data[6]);
843 	input_report_key(dev, BTN_Y, data[7]);
844 
845 	/* "analog" buttons black, white */
846 	input_report_key(dev, BTN_C, data[8]);
847 	input_report_key(dev, BTN_Z, data[9]);
848 
849 
850 	input_sync(dev);
851 }
852 
853 /*
854  *	xpad360_process_packet
855  *
856  *	Completes a request by converting the data into events for the
857  *	input subsystem. It is version for xbox 360 controller
858  *
859  *	The used report descriptor was taken from:
860  *		http://www.free60.org/wiki/Gamepad
861  */
862 
xpad360_process_packet(struct usb_xpad * xpad,struct input_dev * dev,u16 cmd,unsigned char * data)863 static void xpad360_process_packet(struct usb_xpad *xpad, struct input_dev *dev,
864 				   u16 cmd, unsigned char *data)
865 {
866 	/* valid pad data */
867 	if (data[0] != 0x00)
868 		return;
869 
870 	/* digital pad */
871 	if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
872 		/* dpad as buttons (left, right, up, down) */
873 		input_report_key(dev, BTN_DPAD_LEFT, data[2] & BIT(2));
874 		input_report_key(dev, BTN_DPAD_RIGHT, data[2] & BIT(3));
875 		input_report_key(dev, BTN_DPAD_UP, data[2] & BIT(0));
876 		input_report_key(dev, BTN_DPAD_DOWN, data[2] & BIT(1));
877 	}
878 
879 	/*
880 	 * This should be a simple else block. However historically
881 	 * xbox360w has mapped DPAD to buttons while xbox360 did not. This
882 	 * made no sense, but now we can not just switch back and have to
883 	 * support both behaviors.
884 	 */
885 	if (!(xpad->mapping & MAP_DPAD_TO_BUTTONS) ||
886 	    xpad->xtype == XTYPE_XBOX360W) {
887 		input_report_abs(dev, ABS_HAT0X,
888 				 !!(data[2] & 0x08) - !!(data[2] & 0x04));
889 		input_report_abs(dev, ABS_HAT0Y,
890 				 !!(data[2] & 0x02) - !!(data[2] & 0x01));
891 	}
892 
893 	/* start/back buttons */
894 	input_report_key(dev, BTN_START,  data[2] & BIT(4));
895 	input_report_key(dev, BTN_SELECT, data[2] & BIT(5));
896 
897 	/* stick press left/right */
898 	input_report_key(dev, BTN_THUMBL, data[2] & BIT(6));
899 	input_report_key(dev, BTN_THUMBR, data[2] & BIT(7));
900 
901 	/* buttons A,B,X,Y,TL,TR and MODE */
902 	input_report_key(dev, BTN_A,	data[3] & BIT(4));
903 	input_report_key(dev, BTN_B,	data[3] & BIT(5));
904 	input_report_key(dev, BTN_X,	data[3] & BIT(6));
905 	input_report_key(dev, BTN_Y,	data[3] & BIT(7));
906 	input_report_key(dev, BTN_TL,	data[3] & BIT(0));
907 	input_report_key(dev, BTN_TR,	data[3] & BIT(1));
908 	input_report_key(dev, BTN_MODE,	data[3] & BIT(2));
909 
910 	if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
911 		/* left stick */
912 		input_report_abs(dev, ABS_X,
913 				 (__s16) le16_to_cpup((__le16 *)(data + 6)));
914 		input_report_abs(dev, ABS_Y,
915 				 ~(__s16) le16_to_cpup((__le16 *)(data + 8)));
916 
917 		/* right stick */
918 		input_report_abs(dev, ABS_RX,
919 				 (__s16) le16_to_cpup((__le16 *)(data + 10)));
920 		input_report_abs(dev, ABS_RY,
921 				 ~(__s16) le16_to_cpup((__le16 *)(data + 12)));
922 	}
923 
924 	/* triggers left/right */
925 	if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
926 		input_report_key(dev, BTN_TL2, data[4]);
927 		input_report_key(dev, BTN_TR2, data[5]);
928 	} else {
929 		input_report_abs(dev, ABS_Z, data[4]);
930 		input_report_abs(dev, ABS_RZ, data[5]);
931 	}
932 
933 	input_sync(dev);
934 
935 	/* XBOX360W controllers can't be turned off without driver assistance */
936 	if (xpad->xtype == XTYPE_XBOX360W) {
937 		if (xpad->mode_btn_down_ts > 0 && xpad->pad_present &&
938 		    ((ktime_get_seconds() - xpad->mode_btn_down_ts) >=
939 		     XPAD360W_POWEROFF_TIMEOUT)) {
940 			xpad360w_poweroff_controller(xpad);
941 			xpad->mode_btn_down_ts = 0;
942 			return;
943 		}
944 
945 		/* mode button down/up */
946 		if (data[3] & BIT(2))
947 			xpad->mode_btn_down_ts = ktime_get_seconds();
948 		else
949 			xpad->mode_btn_down_ts = 0;
950 	}
951 }
952 
xpad_presence_work(struct work_struct * work)953 static void xpad_presence_work(struct work_struct *work)
954 {
955 	struct usb_xpad *xpad = container_of(work, struct usb_xpad, work);
956 	int error;
957 
958 	if (xpad->pad_present) {
959 		error = xpad_init_input(xpad);
960 		if (error) {
961 			/* complain only, not much else we can do here */
962 			dev_err(&xpad->dev->dev,
963 				"unable to init device: %d\n", error);
964 		} else {
965 			rcu_assign_pointer(xpad->x360w_dev, xpad->dev);
966 		}
967 	} else {
968 		RCU_INIT_POINTER(xpad->x360w_dev, NULL);
969 		synchronize_rcu();
970 		/*
971 		 * Now that we are sure xpad360w_process_packet is not
972 		 * using input device we can get rid of it.
973 		 */
974 		xpad_deinit_input(xpad);
975 	}
976 }
977 
978 /*
979  * xpad360w_process_packet
980  *
981  * Completes a request by converting the data into events for the
982  * input subsystem. It is version for xbox 360 wireless controller.
983  *
984  * Byte.Bit
985  * 00.1 - Status change: The controller or headset has connected/disconnected
986  *                       Bits 01.7 and 01.6 are valid
987  * 01.7 - Controller present
988  * 01.6 - Headset present
989  * 01.1 - Pad state (Bytes 4+) valid
990  *
991  */
xpad360w_process_packet(struct usb_xpad * xpad,u16 cmd,unsigned char * data)992 static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
993 {
994 	struct input_dev *dev;
995 	bool present;
996 
997 	/* Presence change */
998 	if (data[0] & 0x08) {
999 		present = (data[1] & 0x80) != 0;
1000 
1001 		if (xpad->pad_present != present) {
1002 			xpad->pad_present = present;
1003 			schedule_work(&xpad->work);
1004 		}
1005 	}
1006 
1007 	/* Valid pad data */
1008 	if (data[1] != 0x1)
1009 		return;
1010 
1011 	rcu_read_lock();
1012 	dev = rcu_dereference(xpad->x360w_dev);
1013 	if (dev)
1014 		xpad360_process_packet(xpad, dev, cmd, &data[4]);
1015 	rcu_read_unlock();
1016 }
1017 
1018 /*
1019  *	xpadone_process_packet
1020  *
1021  *	Completes a request by converting the data into events for the
1022  *	input subsystem. This version is for the Xbox One controller.
1023  *
1024  *	The report format was gleaned from
1025  *	https://github.com/kylelemons/xbox/blob/master/xbox.go
1026  */
xpadone_process_packet(struct usb_xpad * xpad,u16 cmd,unsigned char * data,u32 len)1027 static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data, u32 len)
1028 {
1029 	struct input_dev *dev = xpad->dev;
1030 	bool do_sync = false;
1031 
1032 	/* the xbox button has its own special report */
1033 	if (data[0] == GIP_CMD_VIRTUAL_KEY) {
1034 		/*
1035 		 * The Xbox One S controller requires these reports to be
1036 		 * acked otherwise it continues sending them forever and
1037 		 * won't report further mode button events.
1038 		 */
1039 		if (data[1] == (GIP_OPT_ACK | GIP_OPT_INTERNAL))
1040 			xpadone_ack_mode_report(xpad, data[2]);
1041 
1042 		input_report_key(dev, BTN_MODE, data[4] & GENMASK(1, 0));
1043 		input_sync(dev);
1044 
1045 		do_sync = true;
1046 	} else if (data[0] == GIP_CMD_FIRMWARE) {
1047 		/* Some packet formats force us to use this separate to poll paddle inputs */
1048 		if (xpad->packet_type == PKT_XBE2_FW_5_11) {
1049 			/* Mute paddles if controller is in a custom profile slot
1050 			 * Checked by looking at the active profile slot to
1051 			 * verify it's the default slot
1052 			 */
1053 			if (data[19] != 0)
1054 				data[18] = 0;
1055 
1056 			/* Elite Series 2 split packet paddle bits */
1057 			input_report_key(dev, BTN_GRIPR, data[18] & BIT(0));
1058 			input_report_key(dev, BTN_GRIPR2, data[18] & BIT(1));
1059 			input_report_key(dev, BTN_GRIPL, data[18] & BIT(2));
1060 			input_report_key(dev, BTN_GRIPL2, data[18] & BIT(3));
1061 
1062 			do_sync = true;
1063 		}
1064 	} else if (data[0] == GIP_CMD_ANNOUNCE) {
1065 		int error;
1066 
1067 		if (xpad->delay_init && !xpad->delayed_init_done) {
1068 			xpad->delayed_init_done = true;
1069 			error = xpad_start_input(xpad);
1070 			if (error)
1071 				dev_warn(&xpad->dev->dev,
1072 					 "unable to start delayed input: %d\n",
1073 					 error);
1074 		}
1075 	} else if (data[0] == GIP_CMD_INPUT) { /* The main valid packet type for inputs */
1076 		/* menu/view buttons */
1077 		input_report_key(dev, BTN_START,  data[4] & BIT(2));
1078 		input_report_key(dev, BTN_SELECT, data[4] & BIT(3));
1079 		if (xpad->mapping & MAP_SHARE_BUTTON) {
1080 			if (xpad->mapping & MAP_SHARE_OFFSET)
1081 				input_report_key(dev, KEY_RECORD, data[len - 26] & BIT(0));
1082 			else
1083 				input_report_key(dev, KEY_RECORD, data[len - 18] & BIT(0));
1084 		}
1085 
1086 		/* buttons A,B,X,Y */
1087 		input_report_key(dev, BTN_A,	data[4] & BIT(4));
1088 		input_report_key(dev, BTN_B,	data[4] & BIT(5));
1089 		input_report_key(dev, BTN_X,	data[4] & BIT(6));
1090 		input_report_key(dev, BTN_Y,	data[4] & BIT(7));
1091 
1092 		/* digital pad */
1093 		if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
1094 			/* dpad as buttons (left, right, up, down) */
1095 			input_report_key(dev, BTN_DPAD_LEFT, data[5] & BIT(2));
1096 			input_report_key(dev, BTN_DPAD_RIGHT, data[5] & BIT(3));
1097 			input_report_key(dev, BTN_DPAD_UP, data[5] & BIT(0));
1098 			input_report_key(dev, BTN_DPAD_DOWN, data[5] & BIT(1));
1099 		} else {
1100 			input_report_abs(dev, ABS_HAT0X,
1101 					!!(data[5] & 0x08) - !!(data[5] & 0x04));
1102 			input_report_abs(dev, ABS_HAT0Y,
1103 					!!(data[5] & 0x02) - !!(data[5] & 0x01));
1104 		}
1105 
1106 		/* TL/TR */
1107 		input_report_key(dev, BTN_TL,	data[5] & BIT(4));
1108 		input_report_key(dev, BTN_TR,	data[5] & BIT(5));
1109 
1110 		/* stick press left/right */
1111 		input_report_key(dev, BTN_THUMBL, data[5] & BIT(6));
1112 		input_report_key(dev, BTN_THUMBR, data[5] & BIT(7));
1113 
1114 		if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
1115 			/* left stick */
1116 			input_report_abs(dev, ABS_X,
1117 					(__s16) le16_to_cpup((__le16 *)(data + 10)));
1118 			input_report_abs(dev, ABS_Y,
1119 					~(__s16) le16_to_cpup((__le16 *)(data + 12)));
1120 
1121 			/* right stick */
1122 			input_report_abs(dev, ABS_RX,
1123 					(__s16) le16_to_cpup((__le16 *)(data + 14)));
1124 			input_report_abs(dev, ABS_RY,
1125 					~(__s16) le16_to_cpup((__le16 *)(data + 16)));
1126 		}
1127 
1128 		/* triggers left/right */
1129 		if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
1130 			input_report_key(dev, BTN_TL2,
1131 					(__u16) le16_to_cpup((__le16 *)(data + 6)));
1132 			input_report_key(dev, BTN_TR2,
1133 					(__u16) le16_to_cpup((__le16 *)(data + 8)));
1134 		} else {
1135 			input_report_abs(dev, ABS_Z,
1136 					(__u16) le16_to_cpup((__le16 *)(data + 6)));
1137 			input_report_abs(dev, ABS_RZ,
1138 					(__u16) le16_to_cpup((__le16 *)(data + 8)));
1139 		}
1140 
1141 		/* Profile button has a value of 0-3, so it is reported as an axis */
1142 		if (xpad->mapping & MAP_PROFILE_BUTTON)
1143 			input_report_abs(dev, ABS_PROFILE, data[34]);
1144 
1145 		/* paddle handling */
1146 		/* based on SDL's SDL_hidapi_xboxone.c */
1147 		if (xpad->mapping & MAP_PADDLES) {
1148 			if (xpad->packet_type == PKT_XBE1) {
1149 				/* Mute paddles if controller has a custom mapping applied.
1150 				 * Checked by comparing the current mapping
1151 				 * config against the factory mapping config
1152 				 */
1153 				if (memcmp(&data[4], &data[18], 2) != 0)
1154 					data[32] = 0;
1155 
1156 				/* OG Elite Series Controller paddle bits */
1157 				input_report_key(dev, BTN_GRIPR, data[32] & BIT(1));
1158 				input_report_key(dev, BTN_GRIPR2, data[32] & BIT(3));
1159 				input_report_key(dev, BTN_GRIPL, data[32] & BIT(0));
1160 				input_report_key(dev, BTN_GRIPL2, data[32] & BIT(2));
1161 			} else if (xpad->packet_type == PKT_XBE2_FW_OLD) {
1162 				/* Mute paddles if controller has a custom mapping applied.
1163 				 * Checked by comparing the current mapping
1164 				 * config against the factory mapping config
1165 				 */
1166 				if (data[19] != 0)
1167 					data[18] = 0;
1168 
1169 				/* Elite Series 2 4.x firmware paddle bits */
1170 				input_report_key(dev, BTN_GRIPR, data[18] & BIT(0));
1171 				input_report_key(dev, BTN_GRIPR2, data[18] & BIT(1));
1172 				input_report_key(dev, BTN_GRIPL, data[18] & BIT(2));
1173 				input_report_key(dev, BTN_GRIPL2, data[18] & BIT(3));
1174 			} else if (xpad->packet_type == PKT_XBE2_FW_5_EARLY) {
1175 				/* Mute paddles if controller has a custom mapping applied.
1176 				 * Checked by comparing the current mapping
1177 				 * config against the factory mapping config
1178 				 */
1179 				if (data[23] != 0)
1180 					data[22] = 0;
1181 
1182 				/* Elite Series 2 5.x firmware paddle bits
1183 				 * (before the packet was split)
1184 				 */
1185 				input_report_key(dev, BTN_GRIPR, data[22] & BIT(0));
1186 				input_report_key(dev, BTN_GRIPR2, data[22] & BIT(1));
1187 				input_report_key(dev, BTN_GRIPL, data[22] & BIT(2));
1188 				input_report_key(dev, BTN_GRIPL2, data[22] & BIT(3));
1189 			}
1190 		}
1191 
1192 		do_sync = true;
1193 	}
1194 
1195 	if (do_sync)
1196 		input_sync(dev);
1197 }
1198 
xpad_irq_in(struct urb * urb)1199 static void xpad_irq_in(struct urb *urb)
1200 {
1201 	struct usb_xpad *xpad = urb->context;
1202 	struct device *dev = &xpad->intf->dev;
1203 	int retval, status;
1204 
1205 	status = urb->status;
1206 
1207 	switch (status) {
1208 	case 0:
1209 		/* success */
1210 		break;
1211 	case -ECONNRESET:
1212 	case -ENOENT:
1213 	case -ESHUTDOWN:
1214 		/* this urb is terminated, clean up */
1215 		dev_dbg(dev, "%s - urb shutting down with status: %d\n",
1216 			__func__, status);
1217 		return;
1218 	default:
1219 		dev_dbg(dev, "%s - nonzero urb status received: %d\n",
1220 			__func__, status);
1221 		goto exit;
1222 	}
1223 
1224 	switch (xpad->xtype) {
1225 	case XTYPE_XBOX360:
1226 		xpad360_process_packet(xpad, xpad->dev, 0, xpad->idata);
1227 		break;
1228 	case XTYPE_XBOX360W:
1229 		xpad360w_process_packet(xpad, 0, xpad->idata);
1230 		break;
1231 	case XTYPE_XBOXONE:
1232 		xpadone_process_packet(xpad, 0, xpad->idata, urb->actual_length);
1233 		break;
1234 	default:
1235 		xpad_process_packet(xpad, 0, xpad->idata);
1236 	}
1237 
1238 exit:
1239 	retval = usb_submit_urb(urb, GFP_ATOMIC);
1240 	if (retval)
1241 		dev_err(dev, "%s - usb_submit_urb failed with result %d\n",
1242 			__func__, retval);
1243 }
1244 
1245 /* Callers must hold xpad->odata_lock spinlock */
xpad_prepare_next_init_packet(struct usb_xpad * xpad)1246 static bool xpad_prepare_next_init_packet(struct usb_xpad *xpad)
1247 {
1248 	const struct xboxone_init_packet *init_packet;
1249 
1250 	if (xpad->xtype != XTYPE_XBOXONE)
1251 		return false;
1252 
1253 	/*
1254 	 * Some dongles will discard init packets if they're sent before the
1255 	 * controller connects. In these cases, we need to wait until we get
1256 	 * an announce packet from them to send the init packet sequence.
1257 	 */
1258 	if (xpad->delay_init && !xpad->delayed_init_done)
1259 		return false;
1260 
1261 	/* Perform initialization sequence for Xbox One pads that require it */
1262 	while (xpad->init_seq < ARRAY_SIZE(xboxone_init_packets)) {
1263 		init_packet = &xboxone_init_packets[xpad->init_seq++];
1264 
1265 		if (init_packet->idVendor != 0 &&
1266 		    init_packet->idVendor != xpad->dev->id.vendor)
1267 			continue;
1268 
1269 		if (init_packet->idProduct != 0 &&
1270 		    init_packet->idProduct != xpad->dev->id.product)
1271 			continue;
1272 
1273 		/* This packet applies to our device, so prepare to send it */
1274 		memcpy(xpad->odata, init_packet->data, init_packet->len);
1275 		xpad->irq_out->transfer_buffer_length = init_packet->len;
1276 
1277 		/* Update packet with current sequence number */
1278 		xpad->odata[2] = xpad->odata_serial++;
1279 		return true;
1280 	}
1281 
1282 	return false;
1283 }
1284 
1285 /* Callers must hold xpad->odata_lock spinlock */
xpad_prepare_next_out_packet(struct usb_xpad * xpad)1286 static bool xpad_prepare_next_out_packet(struct usb_xpad *xpad)
1287 {
1288 	struct xpad_output_packet *pkt, *packet = NULL;
1289 	int i;
1290 
1291 	/* We may have init packets to send before we can send user commands */
1292 	if (xpad_prepare_next_init_packet(xpad))
1293 		return true;
1294 
1295 	for (i = 0; i < XPAD_NUM_OUT_PACKETS; i++) {
1296 		if (++xpad->last_out_packet >= XPAD_NUM_OUT_PACKETS)
1297 			xpad->last_out_packet = 0;
1298 
1299 		pkt = &xpad->out_packets[xpad->last_out_packet];
1300 		if (pkt->pending) {
1301 			dev_dbg(&xpad->intf->dev,
1302 				"%s - found pending output packet %d\n",
1303 				__func__, xpad->last_out_packet);
1304 			packet = pkt;
1305 			break;
1306 		}
1307 	}
1308 
1309 	if (packet) {
1310 		memcpy(xpad->odata, packet->data, packet->len);
1311 		xpad->irq_out->transfer_buffer_length = packet->len;
1312 		packet->pending = false;
1313 		return true;
1314 	}
1315 
1316 	return false;
1317 }
1318 
1319 /* Callers must hold xpad->odata_lock spinlock */
xpad_try_sending_next_out_packet(struct usb_xpad * xpad)1320 static int xpad_try_sending_next_out_packet(struct usb_xpad *xpad)
1321 {
1322 	int error;
1323 
1324 	if (!xpad->irq_out_active && xpad_prepare_next_out_packet(xpad)) {
1325 		usb_anchor_urb(xpad->irq_out, &xpad->irq_out_anchor);
1326 		error = usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
1327 		if (error) {
1328 			if (error != -ENODEV)
1329 				dev_err(&xpad->intf->dev,
1330 					"%s - usb_submit_urb failed with result %d\n",
1331 					__func__, error);
1332 			usb_unanchor_urb(xpad->irq_out);
1333 			return error;
1334 		}
1335 
1336 		xpad->irq_out_active = true;
1337 	}
1338 
1339 	return 0;
1340 }
1341 
xpad_irq_out(struct urb * urb)1342 static void xpad_irq_out(struct urb *urb)
1343 {
1344 	struct usb_xpad *xpad = urb->context;
1345 	struct device *dev = &xpad->intf->dev;
1346 	int status = urb->status;
1347 	int error;
1348 
1349 	guard(spinlock_irqsave)(&xpad->odata_lock);
1350 
1351 	switch (status) {
1352 	case 0:
1353 		/* success */
1354 		xpad->irq_out_active = xpad_prepare_next_out_packet(xpad);
1355 		break;
1356 
1357 	case -ECONNRESET:
1358 	case -ENOENT:
1359 	case -ESHUTDOWN:
1360 		/* this urb is terminated, clean up */
1361 		dev_dbg(dev, "%s - urb shutting down with status: %d\n",
1362 			__func__, status);
1363 		xpad->irq_out_active = false;
1364 		break;
1365 
1366 	default:
1367 		dev_dbg(dev, "%s - nonzero urb status received: %d\n",
1368 			__func__, status);
1369 		break;
1370 	}
1371 
1372 	if (xpad->irq_out_active) {
1373 		usb_anchor_urb(urb, &xpad->irq_out_anchor);
1374 		error = usb_submit_urb(urb, GFP_ATOMIC);
1375 		if (error) {
1376 			dev_err(dev,
1377 				"%s - usb_submit_urb failed with result %d\n",
1378 				__func__, error);
1379 			usb_unanchor_urb(urb);
1380 			xpad->irq_out_active = false;
1381 		}
1382 	}
1383 }
1384 
xpad_init_output(struct usb_interface * intf,struct usb_xpad * xpad,struct usb_endpoint_descriptor * ep_irq_out)1385 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad,
1386 			struct usb_endpoint_descriptor *ep_irq_out)
1387 {
1388 	int error;
1389 
1390 	if (xpad->xtype == XTYPE_UNKNOWN)
1391 		return 0;
1392 
1393 	init_usb_anchor(&xpad->irq_out_anchor);
1394 
1395 	xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN,
1396 					 GFP_KERNEL, &xpad->odata_dma);
1397 	if (!xpad->odata)
1398 		return -ENOMEM;
1399 
1400 	spin_lock_init(&xpad->odata_lock);
1401 
1402 	xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
1403 	if (!xpad->irq_out) {
1404 		error = -ENOMEM;
1405 		goto err_free_coherent;
1406 	}
1407 
1408 	usb_fill_int_urb(xpad->irq_out, xpad->udev,
1409 			 usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress),
1410 			 xpad->odata, XPAD_PKT_LEN,
1411 			 xpad_irq_out, xpad, ep_irq_out->bInterval);
1412 	xpad->irq_out->transfer_dma = xpad->odata_dma;
1413 	xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1414 
1415 	return 0;
1416 
1417 err_free_coherent:
1418 	usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma);
1419 	return error;
1420 }
1421 
xpad_stop_output(struct usb_xpad * xpad)1422 static void xpad_stop_output(struct usb_xpad *xpad)
1423 {
1424 	if (xpad->xtype != XTYPE_UNKNOWN) {
1425 		if (!usb_wait_anchor_empty_timeout(&xpad->irq_out_anchor,
1426 						   5000)) {
1427 			dev_warn(&xpad->intf->dev,
1428 				 "timed out waiting for output URB to complete, killing\n");
1429 			usb_kill_anchored_urbs(&xpad->irq_out_anchor);
1430 		}
1431 	}
1432 }
1433 
xpad_deinit_output(struct usb_xpad * xpad)1434 static void xpad_deinit_output(struct usb_xpad *xpad)
1435 {
1436 	if (xpad->xtype != XTYPE_UNKNOWN) {
1437 		usb_free_urb(xpad->irq_out);
1438 		usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
1439 				xpad->odata, xpad->odata_dma);
1440 	}
1441 }
1442 
xpad_inquiry_pad_presence(struct usb_xpad * xpad)1443 static int xpad_inquiry_pad_presence(struct usb_xpad *xpad)
1444 {
1445 	struct xpad_output_packet *packet =
1446 			&xpad->out_packets[XPAD_OUT_CMD_IDX];
1447 
1448 	guard(spinlock_irqsave)(&xpad->odata_lock);
1449 
1450 	packet->data[0] = 0x08;
1451 	packet->data[1] = 0x00;
1452 	packet->data[2] = 0x0F;
1453 	packet->data[3] = 0xC0;
1454 	packet->data[4] = 0x00;
1455 	packet->data[5] = 0x00;
1456 	packet->data[6] = 0x00;
1457 	packet->data[7] = 0x00;
1458 	packet->data[8] = 0x00;
1459 	packet->data[9] = 0x00;
1460 	packet->data[10] = 0x00;
1461 	packet->data[11] = 0x00;
1462 	packet->len = 12;
1463 	packet->pending = true;
1464 
1465 	/* Reset the sequence so we send out presence first */
1466 	xpad->last_out_packet = -1;
1467 	return xpad_try_sending_next_out_packet(xpad);
1468 }
1469 
xpad_start_xbox_one(struct usb_xpad * xpad)1470 static int xpad_start_xbox_one(struct usb_xpad *xpad)
1471 {
1472 	int error;
1473 
1474 	if (usb_ifnum_to_if(xpad->udev, GIP_WIRED_INTF_AUDIO)) {
1475 		/*
1476 		 * Explicitly disable the audio interface. This is needed
1477 		 * for some controllers, such as the PowerA Enhanced Wired
1478 		 * Controller for Series X|S (0x20d6:0x200e) to report the
1479 		 * guide button.
1480 		 */
1481 		error = usb_set_interface(xpad->udev,
1482 					  GIP_WIRED_INTF_AUDIO, 0);
1483 		if (error)
1484 			dev_warn(&xpad->dev->dev,
1485 				 "unable to disable audio interface: %d\n",
1486 				 error);
1487 	}
1488 
1489 	guard(spinlock_irqsave)(&xpad->odata_lock);
1490 
1491 	/*
1492 	 * Begin the init sequence by attempting to send a packet.
1493 	 * We will cycle through the init packet sequence before
1494 	 * sending any packets from the output ring.
1495 	 */
1496 	xpad->init_seq = 0;
1497 	return xpad_try_sending_next_out_packet(xpad);
1498 }
1499 
xpadone_ack_mode_report(struct usb_xpad * xpad,u8 seq_num)1500 static void xpadone_ack_mode_report(struct usb_xpad *xpad, u8 seq_num)
1501 {
1502 	struct xpad_output_packet *packet =
1503 			&xpad->out_packets[XPAD_OUT_CMD_IDX];
1504 	static const u8 mode_report_ack[] = {
1505 		GIP_CMD_ACK, GIP_OPT_INTERNAL, GIP_SEQ0, GIP_PL_LEN(9),
1506 		0x00, GIP_CMD_VIRTUAL_KEY, GIP_OPT_INTERNAL, 0x02, 0x00, 0x00, 0x00, 0x00, 0x00
1507 	};
1508 
1509 	guard(spinlock_irqsave)(&xpad->odata_lock);
1510 
1511 	packet->len = sizeof(mode_report_ack);
1512 	memcpy(packet->data, mode_report_ack, packet->len);
1513 	packet->data[2] = seq_num;
1514 	packet->pending = true;
1515 
1516 	/* Reset the sequence so we send out the ack now */
1517 	xpad->last_out_packet = -1;
1518 	xpad_try_sending_next_out_packet(xpad);
1519 }
1520 
1521 #ifdef CONFIG_JOYSTICK_XPAD_FF
xpad_play_effect(struct input_dev * dev,void * data,struct ff_effect * effect)1522 static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect)
1523 {
1524 	struct usb_xpad *xpad = input_get_drvdata(dev);
1525 	struct xpad_output_packet *packet = &xpad->out_packets[XPAD_OUT_FF_IDX];
1526 	__u16 strong;
1527 	__u16 weak;
1528 
1529 	if (effect->type != FF_RUMBLE)
1530 		return 0;
1531 
1532 	strong = effect->u.rumble.strong_magnitude;
1533 	weak = effect->u.rumble.weak_magnitude;
1534 
1535 	guard(spinlock_irqsave)(&xpad->odata_lock);
1536 
1537 	switch (xpad->xtype) {
1538 	case XTYPE_XBOX:
1539 		packet->data[0] = 0x00;
1540 		packet->data[1] = 0x06;
1541 		packet->data[2] = 0x00;
1542 		packet->data[3] = strong / 256;	/* left actuator */
1543 		packet->data[4] = 0x00;
1544 		packet->data[5] = weak / 256;	/* right actuator */
1545 		packet->len = 6;
1546 		packet->pending = true;
1547 		break;
1548 
1549 	case XTYPE_XBOX360:
1550 		packet->data[0] = 0x00;
1551 		packet->data[1] = 0x08;
1552 		packet->data[2] = 0x00;
1553 		packet->data[3] = strong / 256;  /* left actuator? */
1554 		packet->data[4] = weak / 256;	/* right actuator? */
1555 		packet->data[5] = 0x00;
1556 		packet->data[6] = 0x00;
1557 		packet->data[7] = 0x00;
1558 		packet->len = 8;
1559 		packet->pending = true;
1560 		break;
1561 
1562 	case XTYPE_XBOX360W:
1563 		packet->data[0] = 0x00;
1564 		packet->data[1] = 0x01;
1565 		packet->data[2] = 0x0F;
1566 		packet->data[3] = 0xC0;
1567 		packet->data[4] = 0x00;
1568 		packet->data[5] = strong / 256;
1569 		packet->data[6] = weak / 256;
1570 		packet->data[7] = 0x00;
1571 		packet->data[8] = 0x00;
1572 		packet->data[9] = 0x00;
1573 		packet->data[10] = 0x00;
1574 		packet->data[11] = 0x00;
1575 		packet->len = 12;
1576 		packet->pending = true;
1577 		break;
1578 
1579 	case XTYPE_XBOXONE:
1580 		packet->data[0] = GIP_CMD_RUMBLE; /* activate rumble */
1581 		packet->data[1] = 0x00;
1582 		packet->data[2] = xpad->odata_serial++;
1583 		packet->data[3] = GIP_PL_LEN(9);
1584 		packet->data[4] = 0x00;
1585 		packet->data[5] = GIP_MOTOR_ALL;
1586 		packet->data[6] = 0x00; /* left trigger */
1587 		packet->data[7] = 0x00; /* right trigger */
1588 		packet->data[8] = strong / 512;	/* left actuator */
1589 		packet->data[9] = weak / 512;	/* right actuator */
1590 		packet->data[10] = 0xFF; /* on period */
1591 		packet->data[11] = 0x00; /* off period */
1592 		packet->data[12] = 0xFF; /* repeat count */
1593 		packet->len = 13;
1594 		packet->pending = true;
1595 		break;
1596 
1597 	default:
1598 		dev_dbg(&xpad->dev->dev,
1599 			"%s - rumble command sent to unsupported xpad type: %d\n",
1600 			__func__, xpad->xtype);
1601 		return -EINVAL;
1602 	}
1603 
1604 	return xpad_try_sending_next_out_packet(xpad);
1605 }
1606 
xpad_init_ff(struct usb_xpad * xpad)1607 static int xpad_init_ff(struct usb_xpad *xpad)
1608 {
1609 	if (xpad->xtype == XTYPE_UNKNOWN)
1610 		return 0;
1611 
1612 	input_set_capability(xpad->dev, EV_FF, FF_RUMBLE);
1613 
1614 	return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect);
1615 }
1616 
1617 #else
xpad_init_ff(struct usb_xpad * xpad)1618 static int xpad_init_ff(struct usb_xpad *xpad) { return 0; }
1619 #endif
1620 
1621 #if defined(CONFIG_JOYSTICK_XPAD_LEDS)
1622 #include <linux/leds.h>
1623 #include <linux/idr.h>
1624 
1625 static DEFINE_IDA(xpad_pad_seq);
1626 
1627 struct xpad_led {
1628 	char name[16];
1629 	struct led_classdev led_cdev;
1630 	struct usb_xpad *xpad;
1631 };
1632 
1633 /*
1634  * set the LEDs on Xbox 360 / Wireless Controllers
1635  * @param command
1636  *  0: off
1637  *  1: all blink, then previous setting
1638  *  2: 1/top-left blink, then on
1639  *  3: 2/top-right blink, then on
1640  *  4: 3/bottom-left blink, then on
1641  *  5: 4/bottom-right blink, then on
1642  *  6: 1/top-left on
1643  *  7: 2/top-right on
1644  *  8: 3/bottom-left on
1645  *  9: 4/bottom-right on
1646  * 10: rotate
1647  * 11: blink, based on previous setting
1648  * 12: slow blink, based on previous setting
1649  * 13: rotate with two lights
1650  * 14: persistent slow all blink
1651  * 15: blink once, then previous setting
1652  */
xpad_send_led_command(struct usb_xpad * xpad,int command)1653 static void xpad_send_led_command(struct usb_xpad *xpad, int command)
1654 {
1655 	struct xpad_output_packet *packet =
1656 			&xpad->out_packets[XPAD_OUT_LED_IDX];
1657 
1658 	command %= 16;
1659 
1660 	guard(spinlock_irqsave)(&xpad->odata_lock);
1661 
1662 	switch (xpad->xtype) {
1663 	case XTYPE_XBOX360:
1664 		packet->data[0] = 0x01;
1665 		packet->data[1] = 0x03;
1666 		packet->data[2] = command;
1667 		packet->len = 3;
1668 		packet->pending = true;
1669 		break;
1670 
1671 	case XTYPE_XBOX360W:
1672 		packet->data[0] = 0x00;
1673 		packet->data[1] = 0x00;
1674 		packet->data[2] = 0x08;
1675 		packet->data[3] = 0x40 + command;
1676 		packet->data[4] = 0x00;
1677 		packet->data[5] = 0x00;
1678 		packet->data[6] = 0x00;
1679 		packet->data[7] = 0x00;
1680 		packet->data[8] = 0x00;
1681 		packet->data[9] = 0x00;
1682 		packet->data[10] = 0x00;
1683 		packet->data[11] = 0x00;
1684 		packet->len = 12;
1685 		packet->pending = true;
1686 		break;
1687 	}
1688 
1689 	xpad_try_sending_next_out_packet(xpad);
1690 }
1691 
1692 /*
1693  * Light up the segment corresponding to the pad number on
1694  * Xbox 360 Controllers.
1695  */
xpad_identify_controller(struct usb_xpad * xpad)1696 static void xpad_identify_controller(struct usb_xpad *xpad)
1697 {
1698 	led_set_brightness(&xpad->led->led_cdev, (xpad->pad_nr % 4) + 2);
1699 }
1700 
xpad_led_set(struct led_classdev * led_cdev,enum led_brightness value)1701 static void xpad_led_set(struct led_classdev *led_cdev,
1702 			 enum led_brightness value)
1703 {
1704 	struct xpad_led *xpad_led = container_of(led_cdev,
1705 						 struct xpad_led, led_cdev);
1706 
1707 	xpad_send_led_command(xpad_led->xpad, value);
1708 }
1709 
xpad_led_probe(struct usb_xpad * xpad)1710 static int xpad_led_probe(struct usb_xpad *xpad)
1711 {
1712 	struct xpad_led *led;
1713 	struct led_classdev *led_cdev;
1714 	int error;
1715 
1716 	if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX360W)
1717 		return 0;
1718 
1719 	xpad->led = led = kzalloc_obj(*led);
1720 	if (!led)
1721 		return -ENOMEM;
1722 
1723 	xpad->pad_nr = ida_alloc(&xpad_pad_seq, GFP_KERNEL);
1724 	if (xpad->pad_nr < 0) {
1725 		error = xpad->pad_nr;
1726 		goto err_free_mem;
1727 	}
1728 
1729 	snprintf(led->name, sizeof(led->name), "xpad%d", xpad->pad_nr);
1730 	led->xpad = xpad;
1731 
1732 	led_cdev = &led->led_cdev;
1733 	led_cdev->name = led->name;
1734 	led_cdev->brightness_set = xpad_led_set;
1735 	led_cdev->flags = LED_CORE_SUSPENDRESUME;
1736 
1737 	error = led_classdev_register(&xpad->udev->dev, led_cdev);
1738 	if (error)
1739 		goto err_free_id;
1740 
1741 	xpad_identify_controller(xpad);
1742 
1743 	return 0;
1744 
1745 err_free_id:
1746 	ida_free(&xpad_pad_seq, xpad->pad_nr);
1747 err_free_mem:
1748 	kfree(led);
1749 	xpad->led = NULL;
1750 	return error;
1751 }
1752 
xpad_led_disconnect(struct usb_xpad * xpad)1753 static void xpad_led_disconnect(struct usb_xpad *xpad)
1754 {
1755 	struct xpad_led *xpad_led = xpad->led;
1756 
1757 	if (xpad_led) {
1758 		led_classdev_unregister(&xpad_led->led_cdev);
1759 		ida_free(&xpad_pad_seq, xpad->pad_nr);
1760 		kfree(xpad_led);
1761 	}
1762 }
1763 #else
xpad_led_probe(struct usb_xpad * xpad)1764 static int xpad_led_probe(struct usb_xpad *xpad) { return 0; }
xpad_led_disconnect(struct usb_xpad * xpad)1765 static void xpad_led_disconnect(struct usb_xpad *xpad) { }
1766 #endif
1767 
xpad_start_input(struct usb_xpad * xpad)1768 static int xpad_start_input(struct usb_xpad *xpad)
1769 {
1770 	int error;
1771 
1772 	if (usb_submit_urb(xpad->irq_in, GFP_KERNEL))
1773 		return -EIO;
1774 
1775 	if (xpad->xtype == XTYPE_XBOXONE) {
1776 		error = xpad_start_xbox_one(xpad);
1777 		if (error) {
1778 			usb_kill_urb(xpad->irq_in);
1779 			return error;
1780 		}
1781 	}
1782 	if (xpad->xtype == XTYPE_XBOX360) {
1783 		/*
1784 		 * Some third-party controllers Xbox 360-style controllers
1785 		 * require this message to finish initialization.
1786 		 */
1787 		u8 dummy[20];
1788 
1789 		error = usb_control_msg_recv(xpad->udev, 0,
1790 					     /* bRequest */ 0x01,
1791 					     /* bmRequestType */
1792 					     USB_TYPE_VENDOR | USB_DIR_IN |
1793 						USB_RECIP_INTERFACE,
1794 					     /* wValue */ 0x100,
1795 					     /* wIndex */ 0x00,
1796 					     dummy, sizeof(dummy),
1797 					     25, GFP_KERNEL);
1798 		if (error)
1799 			dev_warn(&xpad->dev->dev,
1800 				 "unable to receive magic message: %d\n",
1801 				 error);
1802 	}
1803 
1804 	return 0;
1805 }
1806 
xpad_stop_input(struct usb_xpad * xpad)1807 static void xpad_stop_input(struct usb_xpad *xpad)
1808 {
1809 	usb_kill_urb(xpad->irq_in);
1810 }
1811 
xpad360w_poweroff_controller(struct usb_xpad * xpad)1812 static void xpad360w_poweroff_controller(struct usb_xpad *xpad)
1813 {
1814 	struct xpad_output_packet *packet =
1815 			&xpad->out_packets[XPAD_OUT_CMD_IDX];
1816 
1817 	guard(spinlock_irqsave)(&xpad->odata_lock);
1818 
1819 	packet->data[0] = 0x00;
1820 	packet->data[1] = 0x00;
1821 	packet->data[2] = 0x08;
1822 	packet->data[3] = 0xC0;
1823 	packet->data[4] = 0x00;
1824 	packet->data[5] = 0x00;
1825 	packet->data[6] = 0x00;
1826 	packet->data[7] = 0x00;
1827 	packet->data[8] = 0x00;
1828 	packet->data[9] = 0x00;
1829 	packet->data[10] = 0x00;
1830 	packet->data[11] = 0x00;
1831 	packet->len = 12;
1832 	packet->pending = true;
1833 
1834 	/* Reset the sequence so we send out poweroff now */
1835 	xpad->last_out_packet = -1;
1836 	xpad_try_sending_next_out_packet(xpad);
1837 }
1838 
xpad360w_start_input(struct usb_xpad * xpad)1839 static int xpad360w_start_input(struct usb_xpad *xpad)
1840 {
1841 	int error;
1842 
1843 	error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
1844 	if (error)
1845 		return -EIO;
1846 
1847 	/*
1848 	 * Send presence packet.
1849 	 * This will force the controller to resend connection packets.
1850 	 * This is useful in the case we activate the module after the
1851 	 * adapter has been plugged in, as it won't automatically
1852 	 * send us info about the controllers.
1853 	 */
1854 	error = xpad_inquiry_pad_presence(xpad);
1855 	if (error) {
1856 		usb_kill_urb(xpad->irq_in);
1857 		return error;
1858 	}
1859 
1860 	return 0;
1861 }
1862 
xpad360w_stop_input(struct usb_xpad * xpad)1863 static void xpad360w_stop_input(struct usb_xpad *xpad)
1864 {
1865 	usb_kill_urb(xpad->irq_in);
1866 
1867 	/* Make sure we are done with presence work if it was scheduled */
1868 	flush_work(&xpad->work);
1869 }
1870 
xpad_open(struct input_dev * dev)1871 static int xpad_open(struct input_dev *dev)
1872 {
1873 	struct usb_xpad *xpad = input_get_drvdata(dev);
1874 
1875 	return xpad_start_input(xpad);
1876 }
1877 
xpad_close(struct input_dev * dev)1878 static void xpad_close(struct input_dev *dev)
1879 {
1880 	struct usb_xpad *xpad = input_get_drvdata(dev);
1881 
1882 	xpad_stop_input(xpad);
1883 }
1884 
xpad_set_up_abs(struct input_dev * input_dev,signed short abs)1885 static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs)
1886 {
1887 	struct usb_xpad *xpad = input_get_drvdata(input_dev);
1888 
1889 	switch (abs) {
1890 	case ABS_X:
1891 	case ABS_Y:
1892 	case ABS_RX:
1893 	case ABS_RY:	/* the two sticks */
1894 		input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128);
1895 		break;
1896 	case ABS_Z:
1897 	case ABS_RZ:	/* the triggers (if mapped to axes) */
1898 		if (xpad->xtype == XTYPE_XBOXONE)
1899 			input_set_abs_params(input_dev, abs, 0, 1023, 0, 0);
1900 		else
1901 			input_set_abs_params(input_dev, abs, 0, 255, 0, 0);
1902 		break;
1903 	case ABS_HAT0X:
1904 	case ABS_HAT0Y:	/* the d-pad (only if dpad is mapped to axes */
1905 		input_set_abs_params(input_dev, abs, -1, 1, 0, 0);
1906 		break;
1907 	case ABS_PROFILE: /* 4 value profile button (such as on XAC) */
1908 		input_set_abs_params(input_dev, abs, 0, 4, 0, 0);
1909 		break;
1910 	default:
1911 		input_set_abs_params(input_dev, abs, 0, 0, 0, 0);
1912 		break;
1913 	}
1914 }
1915 
xpad_deinit_input(struct usb_xpad * xpad)1916 static void xpad_deinit_input(struct usb_xpad *xpad)
1917 {
1918 	if (xpad->input_created) {
1919 		xpad->input_created = false;
1920 		xpad_led_disconnect(xpad);
1921 		input_unregister_device(xpad->dev);
1922 	}
1923 }
1924 
xpad_init_input(struct usb_xpad * xpad)1925 static int xpad_init_input(struct usb_xpad *xpad)
1926 {
1927 	struct input_dev *input_dev;
1928 	int i, error;
1929 
1930 	input_dev = input_allocate_device();
1931 	if (!input_dev)
1932 		return -ENOMEM;
1933 
1934 	xpad->dev = input_dev;
1935 	input_dev->name = xpad->name;
1936 	input_dev->phys = xpad->phys;
1937 	usb_to_input_id(xpad->udev, &input_dev->id);
1938 
1939 	if (xpad->xtype == XTYPE_XBOX360W) {
1940 		/* x360w controllers and the receiver have different ids */
1941 		input_dev->id.product = 0x02a1;
1942 	}
1943 
1944 	input_dev->dev.parent = &xpad->intf->dev;
1945 
1946 	input_set_drvdata(input_dev, xpad);
1947 
1948 	if (xpad->xtype != XTYPE_XBOX360W) {
1949 		input_dev->open = xpad_open;
1950 		input_dev->close = xpad_close;
1951 	}
1952 
1953 	if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
1954 		/* set up axes */
1955 		for (i = 0; xpad_abs[i] >= 0; i++)
1956 			xpad_set_up_abs(input_dev, xpad_abs[i]);
1957 	}
1958 
1959 	/* set up standard buttons */
1960 	for (i = 0; xpad_common_btn[i] >= 0; i++)
1961 		input_set_capability(input_dev, EV_KEY, xpad_common_btn[i]);
1962 
1963 	/* set up model-specific ones */
1964 	if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W ||
1965 	    xpad->xtype == XTYPE_XBOXONE) {
1966 		for (i = 0; xpad360_btn[i] >= 0; i++)
1967 			input_set_capability(input_dev, EV_KEY, xpad360_btn[i]);
1968 		if (xpad->mapping & MAP_SHARE_BUTTON)
1969 			input_set_capability(input_dev, EV_KEY, KEY_RECORD);
1970 	} else {
1971 		for (i = 0; xpad_btn[i] >= 0; i++)
1972 			input_set_capability(input_dev, EV_KEY, xpad_btn[i]);
1973 	}
1974 
1975 	if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
1976 		for (i = 0; xpad_btn_pad[i] >= 0; i++)
1977 			input_set_capability(input_dev, EV_KEY,
1978 					     xpad_btn_pad[i]);
1979 	}
1980 
1981 	/* set up paddles if the controller has them */
1982 	if (xpad->mapping & MAP_PADDLES) {
1983 		for (i = 0; xpad_btn_paddles[i] >= 0; i++)
1984 			input_set_capability(input_dev, EV_KEY, xpad_btn_paddles[i]);
1985 	}
1986 
1987 	/*
1988 	 * This should be a simple else block. However historically
1989 	 * xbox360w has mapped DPAD to buttons while xbox360 did not. This
1990 	 * made no sense, but now we can not just switch back and have to
1991 	 * support both behaviors.
1992 	 */
1993 	if (!(xpad->mapping & MAP_DPAD_TO_BUTTONS) ||
1994 	    xpad->xtype == XTYPE_XBOX360W) {
1995 		for (i = 0; xpad_abs_pad[i] >= 0; i++)
1996 			xpad_set_up_abs(input_dev, xpad_abs_pad[i]);
1997 	}
1998 
1999 	if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
2000 		for (i = 0; xpad_btn_triggers[i] >= 0; i++)
2001 			input_set_capability(input_dev, EV_KEY,
2002 					     xpad_btn_triggers[i]);
2003 	} else {
2004 		for (i = 0; xpad_abs_triggers[i] >= 0; i++)
2005 			xpad_set_up_abs(input_dev, xpad_abs_triggers[i]);
2006 	}
2007 
2008 	/* setup profile button as an axis with 4 possible values */
2009 	if (xpad->mapping & MAP_PROFILE_BUTTON)
2010 		xpad_set_up_abs(input_dev, ABS_PROFILE);
2011 
2012 	error = xpad_init_ff(xpad);
2013 	if (error)
2014 		goto err_free_input;
2015 
2016 	error = xpad_led_probe(xpad);
2017 	if (error)
2018 		goto err_destroy_ff;
2019 
2020 	error = input_register_device(xpad->dev);
2021 	if (error)
2022 		goto err_disconnect_led;
2023 
2024 	xpad->input_created = true;
2025 	return 0;
2026 
2027 err_disconnect_led:
2028 	xpad_led_disconnect(xpad);
2029 err_destroy_ff:
2030 	input_ff_destroy(input_dev);
2031 err_free_input:
2032 	input_free_device(input_dev);
2033 	return error;
2034 }
2035 
xpad_probe(struct usb_interface * intf,const struct usb_device_id * id)2036 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id)
2037 {
2038 	struct usb_device *udev = interface_to_usbdev(intf);
2039 	struct usb_xpad *xpad;
2040 	struct usb_endpoint_descriptor *ep_irq_in, *ep_irq_out;
2041 	int i, error;
2042 
2043 	if (intf->cur_altsetting->desc.bNumEndpoints != 2)
2044 		return -ENODEV;
2045 
2046 	for (i = 0; xpad_device[i].idVendor; i++) {
2047 		if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
2048 		    (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct))
2049 			break;
2050 	}
2051 
2052 	xpad = kzalloc_obj(*xpad);
2053 	if (!xpad)
2054 		return -ENOMEM;
2055 
2056 	usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
2057 	strlcat(xpad->phys, "/input0", sizeof(xpad->phys));
2058 
2059 	xpad->idata = usb_alloc_coherent(udev, XPAD_PKT_LEN,
2060 					 GFP_KERNEL, &xpad->idata_dma);
2061 	if (!xpad->idata) {
2062 		error = -ENOMEM;
2063 		goto err_free_mem;
2064 	}
2065 
2066 	xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
2067 	if (!xpad->irq_in) {
2068 		error = -ENOMEM;
2069 		goto err_free_idata;
2070 	}
2071 
2072 	xpad->udev = udev;
2073 	xpad->intf = intf;
2074 	xpad->mapping = xpad_device[i].mapping;
2075 	xpad->xtype = xpad_device[i].xtype;
2076 	xpad->name = xpad_device[i].name;
2077 	if (xpad_device[i].flags & FLAG_DELAY_INIT)
2078 		xpad->delay_init = true;
2079 
2080 	xpad->packet_type = PKT_XB;
2081 	INIT_WORK(&xpad->work, xpad_presence_work);
2082 
2083 	if (xpad->xtype == XTYPE_UNKNOWN) {
2084 		if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) {
2085 			if (intf->cur_altsetting->desc.bInterfaceProtocol == 129)
2086 				xpad->xtype = XTYPE_XBOX360W;
2087 			else if (intf->cur_altsetting->desc.bInterfaceProtocol == 208)
2088 				xpad->xtype = XTYPE_XBOXONE;
2089 			else
2090 				xpad->xtype = XTYPE_XBOX360;
2091 		} else {
2092 			xpad->xtype = XTYPE_XBOX;
2093 		}
2094 
2095 		if (dpad_to_buttons)
2096 			xpad->mapping |= MAP_DPAD_TO_BUTTONS;
2097 		if (triggers_to_buttons)
2098 			xpad->mapping |= MAP_TRIGGERS_TO_BUTTONS;
2099 		if (sticks_to_null)
2100 			xpad->mapping |= MAP_STICKS_TO_NULL;
2101 	}
2102 
2103 	if (xpad->xtype == XTYPE_XBOXONE &&
2104 	    intf->cur_altsetting->desc.bInterfaceNumber != GIP_WIRED_INTF_DATA) {
2105 		/*
2106 		 * The Xbox One controller lists three interfaces all with the
2107 		 * same interface class, subclass and protocol. Differentiate by
2108 		 * interface number.
2109 		 */
2110 		error = -ENODEV;
2111 		goto err_free_in_urb;
2112 	}
2113 
2114 	ep_irq_in = ep_irq_out = NULL;
2115 
2116 	for (i = 0; i < 2; i++) {
2117 		struct usb_endpoint_descriptor *ep =
2118 				&intf->cur_altsetting->endpoint[i].desc;
2119 
2120 		if (usb_endpoint_xfer_int(ep)) {
2121 			if (usb_endpoint_dir_in(ep))
2122 				ep_irq_in = ep;
2123 			else
2124 				ep_irq_out = ep;
2125 		}
2126 	}
2127 
2128 	if (!ep_irq_in || !ep_irq_out) {
2129 		error = -ENODEV;
2130 		goto err_free_in_urb;
2131 	}
2132 
2133 	error = xpad_init_output(intf, xpad, ep_irq_out);
2134 	if (error)
2135 		goto err_free_in_urb;
2136 
2137 	usb_fill_int_urb(xpad->irq_in, udev,
2138 			 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
2139 			 xpad->idata, XPAD_PKT_LEN, xpad_irq_in,
2140 			 xpad, ep_irq_in->bInterval);
2141 	xpad->irq_in->transfer_dma = xpad->idata_dma;
2142 	xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
2143 
2144 	usb_set_intfdata(intf, xpad);
2145 
2146 	/* Packet type detection */
2147 	if (le16_to_cpu(udev->descriptor.idVendor) == 0x045e) { /* Microsoft controllers */
2148 		if (le16_to_cpu(udev->descriptor.idProduct) == 0x02e3) {
2149 			/* The original elite controller always uses the oldest
2150 			 * type of extended packet
2151 			 */
2152 			xpad->packet_type = PKT_XBE1;
2153 		} else if (le16_to_cpu(udev->descriptor.idProduct) == 0x0b00) {
2154 			/* The elite 2 controller has seen multiple packet
2155 			 * revisions. These are tied to specific firmware
2156 			 * versions
2157 			 */
2158 			if (le16_to_cpu(udev->descriptor.bcdDevice) < 0x0500) {
2159 				/* This is the format that the Elite 2 used
2160 				 * prior to the BLE update
2161 				 */
2162 				xpad->packet_type = PKT_XBE2_FW_OLD;
2163 			} else if (le16_to_cpu(udev->descriptor.bcdDevice) <
2164 				   0x050b) {
2165 				/* This is the format that the Elite 2 used
2166 				 * prior to the update that split the packet
2167 				 */
2168 				xpad->packet_type = PKT_XBE2_FW_5_EARLY;
2169 			} else {
2170 				/* The split packet format that was introduced
2171 				 * in firmware v5.11
2172 				 */
2173 				xpad->packet_type = PKT_XBE2_FW_5_11;
2174 			}
2175 		}
2176 	}
2177 
2178 	if (xpad->xtype == XTYPE_XBOX360W) {
2179 		/*
2180 		 * Submit the int URB immediately rather than waiting for open
2181 		 * because we get status messages from the device whether
2182 		 * or not any controllers are attached.  In fact, it's
2183 		 * exactly the message that a controller has arrived that
2184 		 * we're waiting for.
2185 		 */
2186 		error = xpad360w_start_input(xpad);
2187 		if (error)
2188 			goto err_deinit_output;
2189 		/*
2190 		 * Wireless controllers require RESET_RESUME to work properly
2191 		 * after suspend. Ideally this quirk should be in usb core
2192 		 * quirk list, but we have too many vendors producing these
2193 		 * controllers and we'd need to maintain 2 identical lists
2194 		 * here in this driver and in usb core.
2195 		 */
2196 		udev->quirks |= USB_QUIRK_RESET_RESUME;
2197 	} else {
2198 		error = xpad_init_input(xpad);
2199 		if (error)
2200 			goto err_deinit_output;
2201 	}
2202 	return 0;
2203 
2204 err_deinit_output:
2205 	xpad_deinit_output(xpad);
2206 err_free_in_urb:
2207 	usb_free_urb(xpad->irq_in);
2208 err_free_idata:
2209 	usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
2210 err_free_mem:
2211 	kfree(xpad);
2212 	return error;
2213 }
2214 
xpad_disconnect(struct usb_interface * intf)2215 static void xpad_disconnect(struct usb_interface *intf)
2216 {
2217 	struct usb_xpad *xpad = usb_get_intfdata(intf);
2218 
2219 	if (xpad->xtype == XTYPE_XBOX360W)
2220 		xpad360w_stop_input(xpad);
2221 
2222 	xpad_deinit_input(xpad);
2223 
2224 	/*
2225 	 * Now that both input device and LED device are gone we can
2226 	 * stop output URB.
2227 	 */
2228 	xpad_stop_output(xpad);
2229 
2230 	xpad_deinit_output(xpad);
2231 
2232 	usb_free_urb(xpad->irq_in);
2233 	usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
2234 			xpad->idata, xpad->idata_dma);
2235 
2236 	kfree(xpad);
2237 
2238 	usb_set_intfdata(intf, NULL);
2239 }
2240 
xpad_suspend(struct usb_interface * intf,pm_message_t message)2241 static int xpad_suspend(struct usb_interface *intf, pm_message_t message)
2242 {
2243 	struct usb_xpad *xpad = usb_get_intfdata(intf);
2244 	struct input_dev *input = xpad->dev;
2245 
2246 	if (xpad->xtype == XTYPE_XBOX360W) {
2247 		/*
2248 		 * Wireless controllers always listen to input so
2249 		 * they are notified when controller shows up
2250 		 * or goes away.
2251 		 */
2252 		xpad360w_stop_input(xpad);
2253 
2254 		/*
2255 		 * The wireless adapter is going off now, so the
2256 		 * gamepads are going to become disconnected.
2257 		 * Unless explicitly disabled, power them down
2258 		 * so they don't just sit there flashing.
2259 		 */
2260 		if (auto_poweroff && xpad->pad_present)
2261 			xpad360w_poweroff_controller(xpad);
2262 	} else {
2263 		guard(mutex)(&input->mutex);
2264 
2265 		if (input_device_enabled(input))
2266 			xpad_stop_input(xpad);
2267 	}
2268 
2269 	xpad_stop_output(xpad);
2270 
2271 	return 0;
2272 }
2273 
xpad_resume(struct usb_interface * intf)2274 static int xpad_resume(struct usb_interface *intf)
2275 {
2276 	struct usb_xpad *xpad = usb_get_intfdata(intf);
2277 	struct input_dev *input = xpad->dev;
2278 
2279 	xpad->delayed_init_done = false;
2280 	if (xpad->xtype == XTYPE_XBOX360W)
2281 		return xpad360w_start_input(xpad);
2282 
2283 	guard(mutex)(&input->mutex);
2284 
2285 	if (input_device_enabled(input))
2286 		return xpad_start_input(xpad);
2287 
2288 	if (xpad->xtype == XTYPE_XBOXONE) {
2289 		/*
2290 		 * Even if there are no users, we'll send Xbox One pads
2291 		 * the startup sequence so they don't sit there and
2292 		 * blink until somebody opens the input device again.
2293 		 */
2294 		return xpad_start_xbox_one(xpad);
2295 	}
2296 
2297 	return 0;
2298 }
2299 
2300 static struct usb_driver xpad_driver = {
2301 	.name		= "xpad",
2302 	.probe		= xpad_probe,
2303 	.disconnect	= xpad_disconnect,
2304 	.suspend	= xpad_suspend,
2305 	.resume		= xpad_resume,
2306 	.id_table	= xpad_table,
2307 };
2308 
2309 module_usb_driver(xpad_driver);
2310 
2311 MODULE_AUTHOR("Marko Friedemann <mfr@bmx-chemnitz.de>");
2312 MODULE_DESCRIPTION("Xbox pad driver");
2313 MODULE_LICENSE("GPL");
2314