xref: /openbmc/linux/drivers/input/joystick/xpad.c (revision 293d5b43)
1 /*
2  * X-Box gamepad driver
3  *
4  * Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de>
5  *               2004 Oliver Schwartz <Oliver.Schwartz@gmx.de>,
6  *                    Steven Toth <steve@toth.demon.co.uk>,
7  *                    Franz Lehner <franz@caos.at>,
8  *                    Ivan Hawkes <blackhawk@ivanhawkes.com>
9  *               2005 Dominic Cerquetti <binary1230@yahoo.com>
10  *               2006 Adam Buchbinder <adam.buchbinder@gmail.com>
11  *               2007 Jan Kratochvil <honza@jikos.cz>
12  *               2010 Christoph Fritz <chf.fritz@googlemail.com>
13  *
14  * This program is free software; you can redistribute it and/or
15  * modify it under the terms of the GNU General Public License as
16  * published by the Free Software Foundation; either version 2 of
17  * the License, or (at your option) any later version.
18  *
19  * This program is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
22  * GNU General Public License for more details.
23  *
24  * You should have received a copy of the GNU General Public License
25  * along with this program; if not, write to the Free Software
26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
27  *
28  *
29  * This driver is based on:
30  *  - information from     http://euc.jp/periphs/xbox-controller.ja.html
31  *  - the iForce driver    drivers/char/joystick/iforce.c
32  *  - the skeleton-driver  drivers/usb/usb-skeleton.c
33  *  - Xbox 360 information http://www.free60.org/wiki/Gamepad
34  *  - Xbox One information https://github.com/quantus/xbox-one-controller-protocol
35  *
36  * Thanks to:
37  *  - ITO Takayuki for providing essential xpad information on his website
38  *  - Vojtech Pavlik     - iforce driver / input subsystem
39  *  - Greg Kroah-Hartman - usb-skeleton driver
40  *  - XBOX Linux project - extra USB id's
41  *  - Pekka Pöyry (quantus) - Xbox One controller reverse engineering
42  *
43  * TODO:
44  *  - fine tune axes (especially trigger axes)
45  *  - fix "analog" buttons (reported as digital now)
46  *  - get rumble working
47  *  - need USB IDs for other dance pads
48  *
49  * History:
50  *
51  * 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller"
52  *
53  * 2002-07-02 - 0.0.2 : basic working version
54  *  - all axes and 9 of the 10 buttons work (german InterAct device)
55  *  - the black button does not work
56  *
57  * 2002-07-14 - 0.0.3 : rework by Vojtech Pavlik
58  *  - indentation fixes
59  *  - usb + input init sequence fixes
60  *
61  * 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3
62  *  - verified the lack of HID and report descriptors
63  *  - verified that ALL buttons WORK
64  *  - fixed d-pad to axes mapping
65  *
66  * 2002-07-17 - 0.0.5 : simplified d-pad handling
67  *
68  * 2004-10-02 - 0.0.6 : DDR pad support
69  *  - borrowed from the XBOX linux kernel
70  *  - USB id's for commonly used dance pads are present
71  *  - dance pads will map D-PAD to buttons, not axes
72  *  - pass the module paramater 'dpad_to_buttons' to force
73  *    the D-PAD to map to buttons if your pad is not detected
74  *
75  * Later changes can be tracked in SCM.
76  */
77 
78 #include <linux/kernel.h>
79 #include <linux/input.h>
80 #include <linux/rcupdate.h>
81 #include <linux/slab.h>
82 #include <linux/stat.h>
83 #include <linux/module.h>
84 #include <linux/usb/input.h>
85 #include <linux/usb/quirks.h>
86 
87 #define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>"
88 #define DRIVER_DESC "X-Box pad driver"
89 
90 #define XPAD_PKT_LEN 64
91 
92 /* xbox d-pads should map to buttons, as is required for DDR pads
93    but we map them to axes when possible to simplify things */
94 #define MAP_DPAD_TO_BUTTONS		(1 << 0)
95 #define MAP_TRIGGERS_TO_BUTTONS		(1 << 1)
96 #define MAP_STICKS_TO_NULL		(1 << 2)
97 #define DANCEPAD_MAP_CONFIG	(MAP_DPAD_TO_BUTTONS |			\
98 				MAP_TRIGGERS_TO_BUTTONS | MAP_STICKS_TO_NULL)
99 
100 #define XTYPE_XBOX        0
101 #define XTYPE_XBOX360     1
102 #define XTYPE_XBOX360W    2
103 #define XTYPE_XBOXONE     3
104 #define XTYPE_UNKNOWN     4
105 
106 static bool dpad_to_buttons;
107 module_param(dpad_to_buttons, bool, S_IRUGO);
108 MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads");
109 
110 static bool triggers_to_buttons;
111 module_param(triggers_to_buttons, bool, S_IRUGO);
112 MODULE_PARM_DESC(triggers_to_buttons, "Map triggers to buttons rather than axes for unknown pads");
113 
114 static bool sticks_to_null;
115 module_param(sticks_to_null, bool, S_IRUGO);
116 MODULE_PARM_DESC(sticks_to_null, "Do not map sticks at all for unknown pads");
117 
118 static bool auto_poweroff = true;
119 module_param(auto_poweroff, bool, S_IWUSR | S_IRUGO);
120 MODULE_PARM_DESC(auto_poweroff, "Power off wireless controllers on suspend");
121 
122 static const struct xpad_device {
123 	u16 idVendor;
124 	u16 idProduct;
125 	char *name;
126 	u8 mapping;
127 	u8 xtype;
128 } xpad_device[] = {
129 	{ 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", 0, XTYPE_XBOX },
130 	{ 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", 0, XTYPE_XBOX },
131 	{ 0x045e, 0x0287, "Microsoft Xbox Controller S", 0, XTYPE_XBOX },
132 	{ 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", 0, XTYPE_XBOX },
133 	{ 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 },
134 	{ 0x045e, 0x02d1, "Microsoft X-Box One pad", 0, XTYPE_XBOXONE },
135 	{ 0x045e, 0x02dd, "Microsoft X-Box One pad (Firmware 2015)", 0, XTYPE_XBOXONE },
136 	{ 0x045e, 0x02e3, "Microsoft X-Box One Elite pad", 0, XTYPE_XBOXONE },
137 	{ 0x045e, 0x0291, "Xbox 360 Wireless Receiver (XBOX)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
138 	{ 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W },
139 	{ 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX },
140 	{ 0x044f, 0xb326, "Thrustmaster Gamepad GP XID", 0, XTYPE_XBOX360 },
141 	{ 0x046d, 0xc21d, "Logitech Gamepad F310", 0, XTYPE_XBOX360 },
142 	{ 0x046d, 0xc21e, "Logitech Gamepad F510", 0, XTYPE_XBOX360 },
143 	{ 0x046d, 0xc21f, "Logitech Gamepad F710", 0, XTYPE_XBOX360 },
144 	{ 0x046d, 0xc242, "Logitech Chillstream Controller", 0, XTYPE_XBOX360 },
145 	{ 0x046d, 0xca84, "Logitech Xbox Cordless Controller", 0, XTYPE_XBOX },
146 	{ 0x046d, 0xca88, "Logitech Compact Controller for Xbox", 0, XTYPE_XBOX },
147 	{ 0x05fd, 0x1007, "Mad Catz Controller (unverified)", 0, XTYPE_XBOX },
148 	{ 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", 0, XTYPE_XBOX },
149 	{ 0x0738, 0x4516, "Mad Catz Control Pad", 0, XTYPE_XBOX },
150 	{ 0x0738, 0x4522, "Mad Catz LumiCON", 0, XTYPE_XBOX },
151 	{ 0x0738, 0x4526, "Mad Catz Control Pad Pro", 0, XTYPE_XBOX },
152 	{ 0x0738, 0x4536, "Mad Catz MicroCON", 0, XTYPE_XBOX },
153 	{ 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
154 	{ 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", 0, XTYPE_XBOX },
155 	{ 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
156 	{ 0x0738, 0x4718, "Mad Catz Street Fighter IV FightStick SE", 0, XTYPE_XBOX360 },
157 	{ 0x0738, 0x4726, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 },
158 	{ 0x0738, 0x4728, "Mad Catz Street Fighter IV FightPad", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
159 	{ 0x0738, 0x4738, "Mad Catz Wired Xbox 360 Controller (SFIV)", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
160 	{ 0x0738, 0x4740, "Mad Catz Beat Pad", 0, XTYPE_XBOX360 },
161 	{ 0x0738, 0x4a01, "Mad Catz FightStick TE 2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOXONE },
162 	{ 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
163 	{ 0x0738, 0xb726, "Mad Catz Xbox controller - MW2", 0, XTYPE_XBOX360 },
164 	{ 0x0738, 0xbeef, "Mad Catz JOYTECH NEO SE Advanced GamePad", XTYPE_XBOX360 },
165 	{ 0x0738, 0xcb02, "Saitek Cyborg Rumble Pad - PC/Xbox 360", 0, XTYPE_XBOX360 },
166 	{ 0x0738, 0xcb03, "Saitek P3200 Rumble Pad - PC/Xbox 360", 0, XTYPE_XBOX360 },
167 	{ 0x0738, 0xf738, "Super SFIV FightStick TE S", 0, XTYPE_XBOX360 },
168 	{ 0x0c12, 0x8802, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
169 	{ 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", DANCEPAD_MAP_CONFIG, XTYPE_XBOX },
170 	{ 0x0c12, 0x880a, "Pelican Eclipse PL-2023", 0, XTYPE_XBOX },
171 	{ 0x0c12, 0x8810, "Zeroplus Xbox Controller", 0, XTYPE_XBOX },
172 	{ 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX },
173 	{ 0x0d2f, 0x0002, "Andamiro Pump It Up pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
174 	{ 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX },
175 	{ 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX },
176 	{ 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", 0, XTYPE_XBOX },
177 	{ 0x0e6f, 0x0005, "Eclipse wireless Controller", 0, XTYPE_XBOX },
178 	{ 0x0e6f, 0x0006, "Edge wireless Controller", 0, XTYPE_XBOX },
179 	{ 0x0e6f, 0x0105, "HSM3 Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
180 	{ 0x0e6f, 0x0113, "Afterglow AX.1 Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
181 	{ 0x0e6f, 0x0139, "Afterglow Prismatic Wired Controller", 0, XTYPE_XBOXONE },
182 	{ 0x0e6f, 0x0201, "Pelican PL-3601 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 },
183 	{ 0x0e6f, 0x0213, "Afterglow Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
184 	{ 0x0e6f, 0x021f, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 },
185 	{ 0x0e6f, 0x0146, "Rock Candy Wired Controller for Xbox One", 0, XTYPE_XBOXONE },
186 	{ 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 },
187 	{ 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 },
188 	{ 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", 0, XTYPE_XBOX },
189 	{ 0x0e8f, 0x3008, "Generic xbox control (dealextreme)", 0, XTYPE_XBOX },
190 	{ 0x0f0d, 0x000a, "Hori Co. DOA4 FightStick", 0, XTYPE_XBOX360 },
191 	{ 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
192 	{ 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
193 	{ 0x0f0d, 0x0067, "HORIPAD ONE", 0, XTYPE_XBOXONE },
194 	{ 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX },
195 	{ 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX },
196 	{ 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", 0, XTYPE_XBOX },
197 	{ 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
198 	{ 0x12ab, 0x0301, "PDP AFTERGLOW AX.1", 0, XTYPE_XBOX360 },
199 	{ 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
200 	{ 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", 0, XTYPE_XBOX360 },
201 	{ 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX },
202 	{ 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 },
203 	{ 0x1532, 0x0037, "Razer Sabertooth", 0, XTYPE_XBOX360 },
204 	{ 0x15e4, 0x3f00, "Power A Mini Pro Elite", 0, XTYPE_XBOX360 },
205 	{ 0x15e4, 0x3f0a, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 },
206 	{ 0x15e4, 0x3f10, "Batarang Xbox 360 controller", 0, XTYPE_XBOX360 },
207 	{ 0x162e, 0xbeef, "Joytech Neo-Se Take2", 0, XTYPE_XBOX360 },
208 	{ 0x1689, 0xfd00, "Razer Onza Tournament Edition", 0, XTYPE_XBOX360 },
209 	{ 0x1689, 0xfd01, "Razer Onza Classic Edition", 0, XTYPE_XBOX360 },
210 	{ 0x24c6, 0x542a, "Xbox ONE spectra", 0, XTYPE_XBOXONE },
211 	{ 0x24c6, 0x5d04, "Razer Sabertooth", 0, XTYPE_XBOX360 },
212 	{ 0x1bad, 0x0002, "Harmonix Rock Band Guitar", 0, XTYPE_XBOX360 },
213 	{ 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 },
214 	{ 0x1bad, 0xf016, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 },
215 	{ 0x1bad, 0xf023, "MLG Pro Circuit Controller (Xbox)", 0, XTYPE_XBOX360 },
216 	{ 0x1bad, 0xf028, "Street Fighter IV FightPad", 0, XTYPE_XBOX360 },
217 	{ 0x1bad, 0xf038, "Street Fighter IV FightStick TE", 0, XTYPE_XBOX360 },
218 	{ 0x1bad, 0xf900, "Harmonix Xbox 360 Controller", 0, XTYPE_XBOX360 },
219 	{ 0x1bad, 0xf901, "Gamestop Xbox 360 Controller", 0, XTYPE_XBOX360 },
220 	{ 0x1bad, 0xf903, "Tron Xbox 360 controller", 0, XTYPE_XBOX360 },
221 	{ 0x24c6, 0x5000, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 },
222 	{ 0x24c6, 0x5300, "PowerA MINI PROEX Controller", 0, XTYPE_XBOX360 },
223 	{ 0x24c6, 0x5303, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 },
224 	{ 0x24c6, 0x541a, "PowerA Xbox One Mini Wired Controller", 0, XTYPE_XBOXONE },
225 	{ 0x24c6, 0x543a, "PowerA Xbox One wired controller", 0, XTYPE_XBOXONE },
226 	{ 0x24c6, 0x5500, "Hori XBOX 360 EX 2 with Turbo", 0, XTYPE_XBOX360 },
227 	{ 0x24c6, 0x5501, "Hori Real Arcade Pro VX-SA", 0, XTYPE_XBOX360 },
228 	{ 0x24c6, 0x5506, "Hori SOULCALIBUR V Stick", 0, XTYPE_XBOX360 },
229 	{ 0x24c6, 0x5b02, "Thrustmaster, Inc. GPX Controller", 0, XTYPE_XBOX360 },
230 	{ 0x24c6, 0x5b03, "Thrustmaster Ferrari 458 Racing Wheel", 0, XTYPE_XBOX360 },
231 	{ 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX },
232 	{ 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN }
233 };
234 
235 /* buttons shared with xbox and xbox360 */
236 static const signed short xpad_common_btn[] = {
237 	BTN_A, BTN_B, BTN_X, BTN_Y,			/* "analog" buttons */
238 	BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR,	/* start/back/sticks */
239 	-1						/* terminating entry */
240 };
241 
242 /* original xbox controllers only */
243 static const signed short xpad_btn[] = {
244 	BTN_C, BTN_Z,		/* "analog" buttons */
245 	-1			/* terminating entry */
246 };
247 
248 /* used when dpad is mapped to buttons */
249 static const signed short xpad_btn_pad[] = {
250 	BTN_TRIGGER_HAPPY1, BTN_TRIGGER_HAPPY2,		/* d-pad left, right */
251 	BTN_TRIGGER_HAPPY3, BTN_TRIGGER_HAPPY4,		/* d-pad up, down */
252 	-1				/* terminating entry */
253 };
254 
255 /* used when triggers are mapped to buttons */
256 static const signed short xpad_btn_triggers[] = {
257 	BTN_TL2, BTN_TR2,		/* triggers left/right */
258 	-1
259 };
260 
261 static const signed short xpad360_btn[] = {  /* buttons for x360 controller */
262 	BTN_TL, BTN_TR,		/* Button LB/RB */
263 	BTN_MODE,		/* The big X button */
264 	-1
265 };
266 
267 static const signed short xpad_abs[] = {
268 	ABS_X, ABS_Y,		/* left stick */
269 	ABS_RX, ABS_RY,		/* right stick */
270 	-1			/* terminating entry */
271 };
272 
273 /* used when dpad is mapped to axes */
274 static const signed short xpad_abs_pad[] = {
275 	ABS_HAT0X, ABS_HAT0Y,	/* d-pad axes */
276 	-1			/* terminating entry */
277 };
278 
279 /* used when triggers are mapped to axes */
280 static const signed short xpad_abs_triggers[] = {
281 	ABS_Z, ABS_RZ,		/* triggers left/right */
282 	-1
283 };
284 
285 /*
286  * Xbox 360 has a vendor-specific class, so we cannot match it with only
287  * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we
288  * match against vendor id as well. Wired Xbox 360 devices have protocol 1,
289  * wireless controllers have protocol 129.
290  */
291 #define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \
292 	.match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \
293 	.idVendor = (vend), \
294 	.bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
295 	.bInterfaceSubClass = 93, \
296 	.bInterfaceProtocol = (pr)
297 #define XPAD_XBOX360_VENDOR(vend) \
298 	{ XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \
299 	{ XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) }
300 
301 /* The Xbox One controller uses subclass 71 and protocol 208. */
302 #define XPAD_XBOXONE_VENDOR_PROTOCOL(vend, pr) \
303 	.match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \
304 	.idVendor = (vend), \
305 	.bInterfaceClass = USB_CLASS_VENDOR_SPEC, \
306 	.bInterfaceSubClass = 71, \
307 	.bInterfaceProtocol = (pr)
308 #define XPAD_XBOXONE_VENDOR(vend) \
309 	{ XPAD_XBOXONE_VENDOR_PROTOCOL(vend, 208) }
310 
311 static struct usb_device_id xpad_table[] = {
312 	{ USB_INTERFACE_INFO('X', 'B', 0) },	/* X-Box USB-IF not approved class */
313 	XPAD_XBOX360_VENDOR(0x044f),		/* Thrustmaster X-Box 360 controllers */
314 	XPAD_XBOX360_VENDOR(0x045e),		/* Microsoft X-Box 360 controllers */
315 	XPAD_XBOXONE_VENDOR(0x045e),		/* Microsoft X-Box One controllers */
316 	XPAD_XBOX360_VENDOR(0x046d),		/* Logitech X-Box 360 style controllers */
317 	XPAD_XBOX360_VENDOR(0x0738),		/* Mad Catz X-Box 360 controllers */
318 	{ USB_DEVICE(0x0738, 0x4540) },		/* Mad Catz Beat Pad */
319 	XPAD_XBOXONE_VENDOR(0x0738),		/* Mad Catz FightStick TE 2 */
320 	XPAD_XBOX360_VENDOR(0x0e6f),		/* 0x0e6f X-Box 360 controllers */
321 	XPAD_XBOXONE_VENDOR(0x0e6f),		/* 0x0e6f X-Box One controllers */
322 	XPAD_XBOX360_VENDOR(0x12ab),		/* X-Box 360 dance pads */
323 	XPAD_XBOX360_VENDOR(0x1430),		/* RedOctane X-Box 360 controllers */
324 	XPAD_XBOX360_VENDOR(0x146b),		/* BigBen Interactive Controllers */
325 	XPAD_XBOX360_VENDOR(0x1bad),		/* Harminix Rock Band Guitar and Drums */
326 	XPAD_XBOX360_VENDOR(0x0f0d),		/* Hori Controllers */
327 	XPAD_XBOXONE_VENDOR(0x0f0d),		/* Hori Controllers */
328 	XPAD_XBOX360_VENDOR(0x1689),		/* Razer Onza */
329 	XPAD_XBOX360_VENDOR(0x24c6),		/* PowerA Controllers */
330 	XPAD_XBOXONE_VENDOR(0x24c6),		/* PowerA Controllers */
331 	XPAD_XBOX360_VENDOR(0x1532),		/* Razer Sabertooth */
332 	XPAD_XBOX360_VENDOR(0x15e4),		/* Numark X-Box 360 controllers */
333 	XPAD_XBOX360_VENDOR(0x162e),		/* Joytech X-Box 360 controllers */
334 	{ }
335 };
336 
337 MODULE_DEVICE_TABLE(usb, xpad_table);
338 
339 struct xpad_output_packet {
340 	u8 data[XPAD_PKT_LEN];
341 	u8 len;
342 	bool pending;
343 };
344 
345 #define XPAD_OUT_CMD_IDX	0
346 #define XPAD_OUT_FF_IDX		1
347 #define XPAD_OUT_LED_IDX	(1 + IS_ENABLED(CONFIG_JOYSTICK_XPAD_FF))
348 #define XPAD_NUM_OUT_PACKETS	(1 + \
349 				 IS_ENABLED(CONFIG_JOYSTICK_XPAD_FF) + \
350 				 IS_ENABLED(CONFIG_JOYSTICK_XPAD_LEDS))
351 
352 struct usb_xpad {
353 	struct input_dev *dev;		/* input device interface */
354 	struct input_dev __rcu *x360w_dev;
355 	struct usb_device *udev;	/* usb device */
356 	struct usb_interface *intf;	/* usb interface */
357 
358 	bool pad_present;
359 	bool input_created;
360 
361 	struct urb *irq_in;		/* urb for interrupt in report */
362 	unsigned char *idata;		/* input data */
363 	dma_addr_t idata_dma;
364 
365 	struct urb *irq_out;		/* urb for interrupt out report */
366 	struct usb_anchor irq_out_anchor;
367 	bool irq_out_active;		/* we must not use an active URB */
368 	u8 odata_serial;		/* serial number for xbox one protocol */
369 	unsigned char *odata;		/* output data */
370 	dma_addr_t odata_dma;
371 	spinlock_t odata_lock;
372 
373 	struct xpad_output_packet out_packets[XPAD_NUM_OUT_PACKETS];
374 	int last_out_packet;
375 
376 #if defined(CONFIG_JOYSTICK_XPAD_LEDS)
377 	struct xpad_led *led;
378 #endif
379 
380 	char phys[64];			/* physical device path */
381 
382 	int mapping;			/* map d-pad to buttons or to axes */
383 	int xtype;			/* type of xbox device */
384 	int pad_nr;			/* the order x360 pads were attached */
385 	const char *name;		/* name of the device */
386 	struct work_struct work;	/* init/remove device from callback */
387 };
388 
389 static int xpad_init_input(struct usb_xpad *xpad);
390 static void xpad_deinit_input(struct usb_xpad *xpad);
391 
392 /*
393  *	xpad_process_packet
394  *
395  *	Completes a request by converting the data into events for the
396  *	input subsystem.
397  *
398  *	The used report descriptor was taken from ITO Takayukis website:
399  *	 http://euc.jp/periphs/xbox-controller.ja.html
400  */
401 static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
402 {
403 	struct input_dev *dev = xpad->dev;
404 
405 	if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
406 		/* left stick */
407 		input_report_abs(dev, ABS_X,
408 				 (__s16) le16_to_cpup((__le16 *)(data + 12)));
409 		input_report_abs(dev, ABS_Y,
410 				 ~(__s16) le16_to_cpup((__le16 *)(data + 14)));
411 
412 		/* right stick */
413 		input_report_abs(dev, ABS_RX,
414 				 (__s16) le16_to_cpup((__le16 *)(data + 16)));
415 		input_report_abs(dev, ABS_RY,
416 				 ~(__s16) le16_to_cpup((__le16 *)(data + 18)));
417 	}
418 
419 	/* triggers left/right */
420 	if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
421 		input_report_key(dev, BTN_TL2, data[10]);
422 		input_report_key(dev, BTN_TR2, data[11]);
423 	} else {
424 		input_report_abs(dev, ABS_Z, data[10]);
425 		input_report_abs(dev, ABS_RZ, data[11]);
426 	}
427 
428 	/* digital pad */
429 	if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
430 		/* dpad as buttons (left, right, up, down) */
431 		input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04);
432 		input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08);
433 		input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01);
434 		input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02);
435 	} else {
436 		input_report_abs(dev, ABS_HAT0X,
437 				 !!(data[2] & 0x08) - !!(data[2] & 0x04));
438 		input_report_abs(dev, ABS_HAT0Y,
439 				 !!(data[2] & 0x02) - !!(data[2] & 0x01));
440 	}
441 
442 	/* start/back buttons and stick press left/right */
443 	input_report_key(dev, BTN_START,  data[2] & 0x10);
444 	input_report_key(dev, BTN_SELECT, data[2] & 0x20);
445 	input_report_key(dev, BTN_THUMBL, data[2] & 0x40);
446 	input_report_key(dev, BTN_THUMBR, data[2] & 0x80);
447 
448 	/* "analog" buttons A, B, X, Y */
449 	input_report_key(dev, BTN_A, data[4]);
450 	input_report_key(dev, BTN_B, data[5]);
451 	input_report_key(dev, BTN_X, data[6]);
452 	input_report_key(dev, BTN_Y, data[7]);
453 
454 	/* "analog" buttons black, white */
455 	input_report_key(dev, BTN_C, data[8]);
456 	input_report_key(dev, BTN_Z, data[9]);
457 
458 	input_sync(dev);
459 }
460 
461 /*
462  *	xpad360_process_packet
463  *
464  *	Completes a request by converting the data into events for the
465  *	input subsystem. It is version for xbox 360 controller
466  *
467  *	The used report descriptor was taken from:
468  *		http://www.free60.org/wiki/Gamepad
469  */
470 
471 static void xpad360_process_packet(struct usb_xpad *xpad, struct input_dev *dev,
472 				   u16 cmd, unsigned char *data)
473 {
474 	/* valid pad data */
475 	if (data[0] != 0x00)
476 		return;
477 
478 	/* digital pad */
479 	if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
480 		/* dpad as buttons (left, right, up, down) */
481 		input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04);
482 		input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08);
483 		input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01);
484 		input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02);
485 	}
486 
487 	/*
488 	 * This should be a simple else block. However historically
489 	 * xbox360w has mapped DPAD to buttons while xbox360 did not. This
490 	 * made no sense, but now we can not just switch back and have to
491 	 * support both behaviors.
492 	 */
493 	if (!(xpad->mapping & MAP_DPAD_TO_BUTTONS) ||
494 	    xpad->xtype == XTYPE_XBOX360W) {
495 		input_report_abs(dev, ABS_HAT0X,
496 				 !!(data[2] & 0x08) - !!(data[2] & 0x04));
497 		input_report_abs(dev, ABS_HAT0Y,
498 				 !!(data[2] & 0x02) - !!(data[2] & 0x01));
499 	}
500 
501 	/* start/back buttons */
502 	input_report_key(dev, BTN_START,  data[2] & 0x10);
503 	input_report_key(dev, BTN_SELECT, data[2] & 0x20);
504 
505 	/* stick press left/right */
506 	input_report_key(dev, BTN_THUMBL, data[2] & 0x40);
507 	input_report_key(dev, BTN_THUMBR, data[2] & 0x80);
508 
509 	/* buttons A,B,X,Y,TL,TR and MODE */
510 	input_report_key(dev, BTN_A,	data[3] & 0x10);
511 	input_report_key(dev, BTN_B,	data[3] & 0x20);
512 	input_report_key(dev, BTN_X,	data[3] & 0x40);
513 	input_report_key(dev, BTN_Y,	data[3] & 0x80);
514 	input_report_key(dev, BTN_TL,	data[3] & 0x01);
515 	input_report_key(dev, BTN_TR,	data[3] & 0x02);
516 	input_report_key(dev, BTN_MODE,	data[3] & 0x04);
517 
518 	if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
519 		/* left stick */
520 		input_report_abs(dev, ABS_X,
521 				 (__s16) le16_to_cpup((__le16 *)(data + 6)));
522 		input_report_abs(dev, ABS_Y,
523 				 ~(__s16) le16_to_cpup((__le16 *)(data + 8)));
524 
525 		/* right stick */
526 		input_report_abs(dev, ABS_RX,
527 				 (__s16) le16_to_cpup((__le16 *)(data + 10)));
528 		input_report_abs(dev, ABS_RY,
529 				 ~(__s16) le16_to_cpup((__le16 *)(data + 12)));
530 	}
531 
532 	/* triggers left/right */
533 	if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
534 		input_report_key(dev, BTN_TL2, data[4]);
535 		input_report_key(dev, BTN_TR2, data[5]);
536 	} else {
537 		input_report_abs(dev, ABS_Z, data[4]);
538 		input_report_abs(dev, ABS_RZ, data[5]);
539 	}
540 
541 	input_sync(dev);
542 }
543 
544 static void xpad_presence_work(struct work_struct *work)
545 {
546 	struct usb_xpad *xpad = container_of(work, struct usb_xpad, work);
547 	int error;
548 
549 	if (xpad->pad_present) {
550 		error = xpad_init_input(xpad);
551 		if (error) {
552 			/* complain only, not much else we can do here */
553 			dev_err(&xpad->dev->dev,
554 				"unable to init device: %d\n", error);
555 		} else {
556 			rcu_assign_pointer(xpad->x360w_dev, xpad->dev);
557 		}
558 	} else {
559 		RCU_INIT_POINTER(xpad->x360w_dev, NULL);
560 		synchronize_rcu();
561 		/*
562 		 * Now that we are sure xpad360w_process_packet is not
563 		 * using input device we can get rid of it.
564 		 */
565 		xpad_deinit_input(xpad);
566 	}
567 }
568 
569 /*
570  * xpad360w_process_packet
571  *
572  * Completes a request by converting the data into events for the
573  * input subsystem. It is version for xbox 360 wireless controller.
574  *
575  * Byte.Bit
576  * 00.1 - Status change: The controller or headset has connected/disconnected
577  *                       Bits 01.7 and 01.6 are valid
578  * 01.7 - Controller present
579  * 01.6 - Headset present
580  * 01.1 - Pad state (Bytes 4+) valid
581  *
582  */
583 static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data)
584 {
585 	struct input_dev *dev;
586 	bool present;
587 
588 	/* Presence change */
589 	if (data[0] & 0x08) {
590 		present = (data[1] & 0x80) != 0;
591 
592 		if (xpad->pad_present != present) {
593 			xpad->pad_present = present;
594 			schedule_work(&xpad->work);
595 		}
596 	}
597 
598 	/* Valid pad data */
599 	if (data[1] != 0x1)
600 		return;
601 
602 	rcu_read_lock();
603 	dev = rcu_dereference(xpad->x360w_dev);
604 	if (dev)
605 		xpad360_process_packet(xpad, dev, cmd, &data[4]);
606 	rcu_read_unlock();
607 }
608 
609 /*
610  *	xpadone_process_buttons
611  *
612  *	Process a button update packet from an Xbox one controller.
613  */
614 static void xpadone_process_buttons(struct usb_xpad *xpad,
615 				struct input_dev *dev,
616 				unsigned char *data)
617 {
618 	/* menu/view buttons */
619 	input_report_key(dev, BTN_START,  data[4] & 0x04);
620 	input_report_key(dev, BTN_SELECT, data[4] & 0x08);
621 
622 	/* buttons A,B,X,Y */
623 	input_report_key(dev, BTN_A,	data[4] & 0x10);
624 	input_report_key(dev, BTN_B,	data[4] & 0x20);
625 	input_report_key(dev, BTN_X,	data[4] & 0x40);
626 	input_report_key(dev, BTN_Y,	data[4] & 0x80);
627 
628 	/* digital pad */
629 	if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
630 		/* dpad as buttons (left, right, up, down) */
631 		input_report_key(dev, BTN_TRIGGER_HAPPY1, data[5] & 0x04);
632 		input_report_key(dev, BTN_TRIGGER_HAPPY2, data[5] & 0x08);
633 		input_report_key(dev, BTN_TRIGGER_HAPPY3, data[5] & 0x01);
634 		input_report_key(dev, BTN_TRIGGER_HAPPY4, data[5] & 0x02);
635 	} else {
636 		input_report_abs(dev, ABS_HAT0X,
637 				 !!(data[5] & 0x08) - !!(data[5] & 0x04));
638 		input_report_abs(dev, ABS_HAT0Y,
639 				 !!(data[5] & 0x02) - !!(data[5] & 0x01));
640 	}
641 
642 	/* TL/TR */
643 	input_report_key(dev, BTN_TL,	data[5] & 0x10);
644 	input_report_key(dev, BTN_TR,	data[5] & 0x20);
645 
646 	/* stick press left/right */
647 	input_report_key(dev, BTN_THUMBL, data[5] & 0x40);
648 	input_report_key(dev, BTN_THUMBR, data[5] & 0x80);
649 
650 	if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
651 		/* left stick */
652 		input_report_abs(dev, ABS_X,
653 				 (__s16) le16_to_cpup((__le16 *)(data + 10)));
654 		input_report_abs(dev, ABS_Y,
655 				 ~(__s16) le16_to_cpup((__le16 *)(data + 12)));
656 
657 		/* right stick */
658 		input_report_abs(dev, ABS_RX,
659 				 (__s16) le16_to_cpup((__le16 *)(data + 14)));
660 		input_report_abs(dev, ABS_RY,
661 				 ~(__s16) le16_to_cpup((__le16 *)(data + 16)));
662 	}
663 
664 	/* triggers left/right */
665 	if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
666 		input_report_key(dev, BTN_TL2,
667 				 (__u16) le16_to_cpup((__le16 *)(data + 6)));
668 		input_report_key(dev, BTN_TR2,
669 				 (__u16) le16_to_cpup((__le16 *)(data + 8)));
670 	} else {
671 		input_report_abs(dev, ABS_Z,
672 				 (__u16) le16_to_cpup((__le16 *)(data + 6)));
673 		input_report_abs(dev, ABS_RZ,
674 				 (__u16) le16_to_cpup((__le16 *)(data + 8)));
675 	}
676 
677 	input_sync(dev);
678 }
679 
680 /*
681  *	xpadone_process_packet
682  *
683  *	Completes a request by converting the data into events for the
684  *	input subsystem. This version is for the Xbox One controller.
685  *
686  *	The report format was gleaned from
687  *	https://github.com/kylelemons/xbox/blob/master/xbox.go
688  */
689 
690 static void xpadone_process_packet(struct usb_xpad *xpad,
691 				u16 cmd, unsigned char *data)
692 {
693 	struct input_dev *dev = xpad->dev;
694 
695 	switch (data[0]) {
696 	case 0x20:
697 		xpadone_process_buttons(xpad, dev, data);
698 		break;
699 
700 	case 0x07:
701 		/* the xbox button has its own special report */
702 		input_report_key(dev, BTN_MODE, data[4] & 0x01);
703 		input_sync(dev);
704 		break;
705 	}
706 }
707 
708 static void xpad_irq_in(struct urb *urb)
709 {
710 	struct usb_xpad *xpad = urb->context;
711 	struct device *dev = &xpad->intf->dev;
712 	int retval, status;
713 
714 	status = urb->status;
715 
716 	switch (status) {
717 	case 0:
718 		/* success */
719 		break;
720 	case -ECONNRESET:
721 	case -ENOENT:
722 	case -ESHUTDOWN:
723 		/* this urb is terminated, clean up */
724 		dev_dbg(dev, "%s - urb shutting down with status: %d\n",
725 			__func__, status);
726 		return;
727 	default:
728 		dev_dbg(dev, "%s - nonzero urb status received: %d\n",
729 			__func__, status);
730 		goto exit;
731 	}
732 
733 	switch (xpad->xtype) {
734 	case XTYPE_XBOX360:
735 		xpad360_process_packet(xpad, xpad->dev, 0, xpad->idata);
736 		break;
737 	case XTYPE_XBOX360W:
738 		xpad360w_process_packet(xpad, 0, xpad->idata);
739 		break;
740 	case XTYPE_XBOXONE:
741 		xpadone_process_packet(xpad, 0, xpad->idata);
742 		break;
743 	default:
744 		xpad_process_packet(xpad, 0, xpad->idata);
745 	}
746 
747 exit:
748 	retval = usb_submit_urb(urb, GFP_ATOMIC);
749 	if (retval)
750 		dev_err(dev, "%s - usb_submit_urb failed with result %d\n",
751 			__func__, retval);
752 }
753 
754 /* Callers must hold xpad->odata_lock spinlock */
755 static bool xpad_prepare_next_out_packet(struct usb_xpad *xpad)
756 {
757 	struct xpad_output_packet *pkt, *packet = NULL;
758 	int i;
759 
760 	for (i = 0; i < XPAD_NUM_OUT_PACKETS; i++) {
761 		if (++xpad->last_out_packet >= XPAD_NUM_OUT_PACKETS)
762 			xpad->last_out_packet = 0;
763 
764 		pkt = &xpad->out_packets[xpad->last_out_packet];
765 		if (pkt->pending) {
766 			dev_dbg(&xpad->intf->dev,
767 				"%s - found pending output packet %d\n",
768 				__func__, xpad->last_out_packet);
769 			packet = pkt;
770 			break;
771 		}
772 	}
773 
774 	if (packet) {
775 		memcpy(xpad->odata, packet->data, packet->len);
776 		xpad->irq_out->transfer_buffer_length = packet->len;
777 		packet->pending = false;
778 		return true;
779 	}
780 
781 	return false;
782 }
783 
784 /* Callers must hold xpad->odata_lock spinlock */
785 static int xpad_try_sending_next_out_packet(struct usb_xpad *xpad)
786 {
787 	int error;
788 
789 	if (!xpad->irq_out_active && xpad_prepare_next_out_packet(xpad)) {
790 		usb_anchor_urb(xpad->irq_out, &xpad->irq_out_anchor);
791 		error = usb_submit_urb(xpad->irq_out, GFP_ATOMIC);
792 		if (error) {
793 			dev_err(&xpad->intf->dev,
794 				"%s - usb_submit_urb failed with result %d\n",
795 				__func__, error);
796 			usb_unanchor_urb(xpad->irq_out);
797 			return -EIO;
798 		}
799 
800 		xpad->irq_out_active = true;
801 	}
802 
803 	return 0;
804 }
805 
806 static void xpad_irq_out(struct urb *urb)
807 {
808 	struct usb_xpad *xpad = urb->context;
809 	struct device *dev = &xpad->intf->dev;
810 	int status = urb->status;
811 	int error;
812 	unsigned long flags;
813 
814 	spin_lock_irqsave(&xpad->odata_lock, flags);
815 
816 	switch (status) {
817 	case 0:
818 		/* success */
819 		xpad->irq_out_active = xpad_prepare_next_out_packet(xpad);
820 		break;
821 
822 	case -ECONNRESET:
823 	case -ENOENT:
824 	case -ESHUTDOWN:
825 		/* this urb is terminated, clean up */
826 		dev_dbg(dev, "%s - urb shutting down with status: %d\n",
827 			__func__, status);
828 		xpad->irq_out_active = false;
829 		break;
830 
831 	default:
832 		dev_dbg(dev, "%s - nonzero urb status received: %d\n",
833 			__func__, status);
834 		break;
835 	}
836 
837 	if (xpad->irq_out_active) {
838 		usb_anchor_urb(urb, &xpad->irq_out_anchor);
839 		error = usb_submit_urb(urb, GFP_ATOMIC);
840 		if (error) {
841 			dev_err(dev,
842 				"%s - usb_submit_urb failed with result %d\n",
843 				__func__, error);
844 			usb_unanchor_urb(urb);
845 			xpad->irq_out_active = false;
846 		}
847 	}
848 
849 	spin_unlock_irqrestore(&xpad->odata_lock, flags);
850 }
851 
852 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad)
853 {
854 	struct usb_endpoint_descriptor *ep_irq_out;
855 	int ep_irq_out_idx;
856 	int error;
857 
858 	if (xpad->xtype == XTYPE_UNKNOWN)
859 		return 0;
860 
861 	init_usb_anchor(&xpad->irq_out_anchor);
862 
863 	xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN,
864 					 GFP_KERNEL, &xpad->odata_dma);
865 	if (!xpad->odata) {
866 		error = -ENOMEM;
867 		goto fail1;
868 	}
869 
870 	spin_lock_init(&xpad->odata_lock);
871 
872 	xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL);
873 	if (!xpad->irq_out) {
874 		error = -ENOMEM;
875 		goto fail2;
876 	}
877 
878 	/* Xbox One controller has in/out endpoints swapped. */
879 	ep_irq_out_idx = xpad->xtype == XTYPE_XBOXONE ? 0 : 1;
880 	ep_irq_out = &intf->cur_altsetting->endpoint[ep_irq_out_idx].desc;
881 
882 	usb_fill_int_urb(xpad->irq_out, xpad->udev,
883 			 usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress),
884 			 xpad->odata, XPAD_PKT_LEN,
885 			 xpad_irq_out, xpad, ep_irq_out->bInterval);
886 	xpad->irq_out->transfer_dma = xpad->odata_dma;
887 	xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
888 
889 	return 0;
890 
891  fail2:	usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma);
892  fail1:	return error;
893 }
894 
895 static void xpad_stop_output(struct usb_xpad *xpad)
896 {
897 	if (xpad->xtype != XTYPE_UNKNOWN) {
898 		if (!usb_wait_anchor_empty_timeout(&xpad->irq_out_anchor,
899 						   5000)) {
900 			dev_warn(&xpad->intf->dev,
901 				 "timed out waiting for output URB to complete, killing\n");
902 			usb_kill_anchored_urbs(&xpad->irq_out_anchor);
903 		}
904 	}
905 }
906 
907 static void xpad_deinit_output(struct usb_xpad *xpad)
908 {
909 	if (xpad->xtype != XTYPE_UNKNOWN) {
910 		usb_free_urb(xpad->irq_out);
911 		usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
912 				xpad->odata, xpad->odata_dma);
913 	}
914 }
915 
916 static int xpad_inquiry_pad_presence(struct usb_xpad *xpad)
917 {
918 	struct xpad_output_packet *packet =
919 			&xpad->out_packets[XPAD_OUT_CMD_IDX];
920 	unsigned long flags;
921 	int retval;
922 
923 	spin_lock_irqsave(&xpad->odata_lock, flags);
924 
925 	packet->data[0] = 0x08;
926 	packet->data[1] = 0x00;
927 	packet->data[2] = 0x0F;
928 	packet->data[3] = 0xC0;
929 	packet->data[4] = 0x00;
930 	packet->data[5] = 0x00;
931 	packet->data[6] = 0x00;
932 	packet->data[7] = 0x00;
933 	packet->data[8] = 0x00;
934 	packet->data[9] = 0x00;
935 	packet->data[10] = 0x00;
936 	packet->data[11] = 0x00;
937 	packet->len = 12;
938 	packet->pending = true;
939 
940 	/* Reset the sequence so we send out presence first */
941 	xpad->last_out_packet = -1;
942 	retval = xpad_try_sending_next_out_packet(xpad);
943 
944 	spin_unlock_irqrestore(&xpad->odata_lock, flags);
945 
946 	return retval;
947 }
948 
949 static int xpad_start_xbox_one(struct usb_xpad *xpad)
950 {
951 	struct xpad_output_packet *packet =
952 			&xpad->out_packets[XPAD_OUT_CMD_IDX];
953 	unsigned long flags;
954 	int retval;
955 
956 	spin_lock_irqsave(&xpad->odata_lock, flags);
957 
958 	/* Xbox one controller needs to be initialized. */
959 	packet->data[0] = 0x05;
960 	packet->data[1] = 0x20;
961 	packet->data[2] = xpad->odata_serial++; /* packet serial */
962 	packet->data[3] = 0x01; /* rumble bit enable?  */
963 	packet->data[4] = 0x00;
964 	packet->len = 5;
965 	packet->pending = true;
966 
967 	/* Reset the sequence so we send out start packet first */
968 	xpad->last_out_packet = -1;
969 	retval = xpad_try_sending_next_out_packet(xpad);
970 
971 	spin_unlock_irqrestore(&xpad->odata_lock, flags);
972 
973 	return retval;
974 }
975 
976 #ifdef CONFIG_JOYSTICK_XPAD_FF
977 static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect)
978 {
979 	struct usb_xpad *xpad = input_get_drvdata(dev);
980 	struct xpad_output_packet *packet = &xpad->out_packets[XPAD_OUT_FF_IDX];
981 	__u16 strong;
982 	__u16 weak;
983 	int retval;
984 	unsigned long flags;
985 
986 	if (effect->type != FF_RUMBLE)
987 		return 0;
988 
989 	strong = effect->u.rumble.strong_magnitude;
990 	weak = effect->u.rumble.weak_magnitude;
991 
992 	spin_lock_irqsave(&xpad->odata_lock, flags);
993 
994 	switch (xpad->xtype) {
995 	case XTYPE_XBOX:
996 		packet->data[0] = 0x00;
997 		packet->data[1] = 0x06;
998 		packet->data[2] = 0x00;
999 		packet->data[3] = strong / 256;	/* left actuator */
1000 		packet->data[4] = 0x00;
1001 		packet->data[5] = weak / 256;	/* right actuator */
1002 		packet->len = 6;
1003 		packet->pending = true;
1004 		break;
1005 
1006 	case XTYPE_XBOX360:
1007 		packet->data[0] = 0x00;
1008 		packet->data[1] = 0x08;
1009 		packet->data[2] = 0x00;
1010 		packet->data[3] = strong / 256;  /* left actuator? */
1011 		packet->data[4] = weak / 256;	/* right actuator? */
1012 		packet->data[5] = 0x00;
1013 		packet->data[6] = 0x00;
1014 		packet->data[7] = 0x00;
1015 		packet->len = 8;
1016 		packet->pending = true;
1017 		break;
1018 
1019 	case XTYPE_XBOX360W:
1020 		packet->data[0] = 0x00;
1021 		packet->data[1] = 0x01;
1022 		packet->data[2] = 0x0F;
1023 		packet->data[3] = 0xC0;
1024 		packet->data[4] = 0x00;
1025 		packet->data[5] = strong / 256;
1026 		packet->data[6] = weak / 256;
1027 		packet->data[7] = 0x00;
1028 		packet->data[8] = 0x00;
1029 		packet->data[9] = 0x00;
1030 		packet->data[10] = 0x00;
1031 		packet->data[11] = 0x00;
1032 		packet->len = 12;
1033 		packet->pending = true;
1034 		break;
1035 
1036 	case XTYPE_XBOXONE:
1037 		packet->data[0] = 0x09; /* activate rumble */
1038 		packet->data[1] = 0x00;
1039 		packet->data[2] = xpad->odata_serial++;
1040 		packet->data[3] = 0x09;
1041 		packet->data[4] = 0x00;
1042 		packet->data[5] = 0x0F;
1043 		packet->data[6] = 0x00;
1044 		packet->data[7] = 0x00;
1045 		packet->data[8] = strong / 512;	/* left actuator */
1046 		packet->data[9] = weak / 512;	/* right actuator */
1047 		packet->data[10] = 0xFF;
1048 		packet->data[11] = 0x00;
1049 		packet->data[12] = 0x00;
1050 		packet->len = 13;
1051 		packet->pending = true;
1052 		break;
1053 
1054 	default:
1055 		dev_dbg(&xpad->dev->dev,
1056 			"%s - rumble command sent to unsupported xpad type: %d\n",
1057 			__func__, xpad->xtype);
1058 		retval = -EINVAL;
1059 		goto out;
1060 	}
1061 
1062 	retval = xpad_try_sending_next_out_packet(xpad);
1063 
1064 out:
1065 	spin_unlock_irqrestore(&xpad->odata_lock, flags);
1066 	return retval;
1067 }
1068 
1069 static int xpad_init_ff(struct usb_xpad *xpad)
1070 {
1071 	if (xpad->xtype == XTYPE_UNKNOWN)
1072 		return 0;
1073 
1074 	input_set_capability(xpad->dev, EV_FF, FF_RUMBLE);
1075 
1076 	return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect);
1077 }
1078 
1079 #else
1080 static int xpad_init_ff(struct usb_xpad *xpad) { return 0; }
1081 #endif
1082 
1083 #if defined(CONFIG_JOYSTICK_XPAD_LEDS)
1084 #include <linux/leds.h>
1085 #include <linux/idr.h>
1086 
1087 static DEFINE_IDA(xpad_pad_seq);
1088 
1089 struct xpad_led {
1090 	char name[16];
1091 	struct led_classdev led_cdev;
1092 	struct usb_xpad *xpad;
1093 };
1094 
1095 /**
1096  * set the LEDs on Xbox360 / Wireless Controllers
1097  * @param command
1098  *  0: off
1099  *  1: all blink, then previous setting
1100  *  2: 1/top-left blink, then on
1101  *  3: 2/top-right blink, then on
1102  *  4: 3/bottom-left blink, then on
1103  *  5: 4/bottom-right blink, then on
1104  *  6: 1/top-left on
1105  *  7: 2/top-right on
1106  *  8: 3/bottom-left on
1107  *  9: 4/bottom-right on
1108  * 10: rotate
1109  * 11: blink, based on previous setting
1110  * 12: slow blink, based on previous setting
1111  * 13: rotate with two lights
1112  * 14: persistent slow all blink
1113  * 15: blink once, then previous setting
1114  */
1115 static void xpad_send_led_command(struct usb_xpad *xpad, int command)
1116 {
1117 	struct xpad_output_packet *packet =
1118 			&xpad->out_packets[XPAD_OUT_LED_IDX];
1119 	unsigned long flags;
1120 
1121 	command %= 16;
1122 
1123 	spin_lock_irqsave(&xpad->odata_lock, flags);
1124 
1125 	switch (xpad->xtype) {
1126 	case XTYPE_XBOX360:
1127 		packet->data[0] = 0x01;
1128 		packet->data[1] = 0x03;
1129 		packet->data[2] = command;
1130 		packet->len = 3;
1131 		packet->pending = true;
1132 		break;
1133 
1134 	case XTYPE_XBOX360W:
1135 		packet->data[0] = 0x00;
1136 		packet->data[1] = 0x00;
1137 		packet->data[2] = 0x08;
1138 		packet->data[3] = 0x40 + command;
1139 		packet->data[4] = 0x00;
1140 		packet->data[5] = 0x00;
1141 		packet->data[6] = 0x00;
1142 		packet->data[7] = 0x00;
1143 		packet->data[8] = 0x00;
1144 		packet->data[9] = 0x00;
1145 		packet->data[10] = 0x00;
1146 		packet->data[11] = 0x00;
1147 		packet->len = 12;
1148 		packet->pending = true;
1149 		break;
1150 	}
1151 
1152 	xpad_try_sending_next_out_packet(xpad);
1153 
1154 	spin_unlock_irqrestore(&xpad->odata_lock, flags);
1155 }
1156 
1157 /*
1158  * Light up the segment corresponding to the pad number on
1159  * Xbox 360 Controllers.
1160  */
1161 static void xpad_identify_controller(struct usb_xpad *xpad)
1162 {
1163 	led_set_brightness(&xpad->led->led_cdev, (xpad->pad_nr % 4) + 2);
1164 }
1165 
1166 static void xpad_led_set(struct led_classdev *led_cdev,
1167 			 enum led_brightness value)
1168 {
1169 	struct xpad_led *xpad_led = container_of(led_cdev,
1170 						 struct xpad_led, led_cdev);
1171 
1172 	xpad_send_led_command(xpad_led->xpad, value);
1173 }
1174 
1175 static int xpad_led_probe(struct usb_xpad *xpad)
1176 {
1177 	struct xpad_led *led;
1178 	struct led_classdev *led_cdev;
1179 	int error;
1180 
1181 	if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX360W)
1182 		return 0;
1183 
1184 	xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL);
1185 	if (!led)
1186 		return -ENOMEM;
1187 
1188 	xpad->pad_nr = ida_simple_get(&xpad_pad_seq, 0, 0, GFP_KERNEL);
1189 	if (xpad->pad_nr < 0) {
1190 		error = xpad->pad_nr;
1191 		goto err_free_mem;
1192 	}
1193 
1194 	snprintf(led->name, sizeof(led->name), "xpad%d", xpad->pad_nr);
1195 	led->xpad = xpad;
1196 
1197 	led_cdev = &led->led_cdev;
1198 	led_cdev->name = led->name;
1199 	led_cdev->brightness_set = xpad_led_set;
1200 
1201 	error = led_classdev_register(&xpad->udev->dev, led_cdev);
1202 	if (error)
1203 		goto err_free_id;
1204 
1205 	xpad_identify_controller(xpad);
1206 
1207 	return 0;
1208 
1209 err_free_id:
1210 	ida_simple_remove(&xpad_pad_seq, xpad->pad_nr);
1211 err_free_mem:
1212 	kfree(led);
1213 	xpad->led = NULL;
1214 	return error;
1215 }
1216 
1217 static void xpad_led_disconnect(struct usb_xpad *xpad)
1218 {
1219 	struct xpad_led *xpad_led = xpad->led;
1220 
1221 	if (xpad_led) {
1222 		led_classdev_unregister(&xpad_led->led_cdev);
1223 		ida_simple_remove(&xpad_pad_seq, xpad->pad_nr);
1224 		kfree(xpad_led);
1225 	}
1226 }
1227 #else
1228 static int xpad_led_probe(struct usb_xpad *xpad) { return 0; }
1229 static void xpad_led_disconnect(struct usb_xpad *xpad) { }
1230 #endif
1231 
1232 static int xpad_start_input(struct usb_xpad *xpad)
1233 {
1234 	int error;
1235 
1236 	if (usb_submit_urb(xpad->irq_in, GFP_KERNEL))
1237 		return -EIO;
1238 
1239 	if (xpad->xtype == XTYPE_XBOXONE) {
1240 		error = xpad_start_xbox_one(xpad);
1241 		if (error) {
1242 			usb_kill_urb(xpad->irq_in);
1243 			return error;
1244 		}
1245 	}
1246 
1247 	return 0;
1248 }
1249 
1250 static void xpad_stop_input(struct usb_xpad *xpad)
1251 {
1252 	usb_kill_urb(xpad->irq_in);
1253 }
1254 
1255 static void xpad360w_poweroff_controller(struct usb_xpad *xpad)
1256 {
1257 	unsigned long flags;
1258 	struct xpad_output_packet *packet =
1259 			&xpad->out_packets[XPAD_OUT_CMD_IDX];
1260 
1261 	spin_lock_irqsave(&xpad->odata_lock, flags);
1262 
1263 	packet->data[0] = 0x00;
1264 	packet->data[1] = 0x00;
1265 	packet->data[2] = 0x08;
1266 	packet->data[3] = 0xC0;
1267 	packet->data[4] = 0x00;
1268 	packet->data[5] = 0x00;
1269 	packet->data[6] = 0x00;
1270 	packet->data[7] = 0x00;
1271 	packet->data[8] = 0x00;
1272 	packet->data[9] = 0x00;
1273 	packet->data[10] = 0x00;
1274 	packet->data[11] = 0x00;
1275 	packet->len = 12;
1276 	packet->pending = true;
1277 
1278 	/* Reset the sequence so we send out poweroff now */
1279 	xpad->last_out_packet = -1;
1280 	xpad_try_sending_next_out_packet(xpad);
1281 
1282 	spin_unlock_irqrestore(&xpad->odata_lock, flags);
1283 }
1284 
1285 static int xpad360w_start_input(struct usb_xpad *xpad)
1286 {
1287 	int error;
1288 
1289 	error = usb_submit_urb(xpad->irq_in, GFP_KERNEL);
1290 	if (error)
1291 		return -EIO;
1292 
1293 	/*
1294 	 * Send presence packet.
1295 	 * This will force the controller to resend connection packets.
1296 	 * This is useful in the case we activate the module after the
1297 	 * adapter has been plugged in, as it won't automatically
1298 	 * send us info about the controllers.
1299 	 */
1300 	error = xpad_inquiry_pad_presence(xpad);
1301 	if (error) {
1302 		usb_kill_urb(xpad->irq_in);
1303 		return error;
1304 	}
1305 
1306 	return 0;
1307 }
1308 
1309 static void xpad360w_stop_input(struct usb_xpad *xpad)
1310 {
1311 	usb_kill_urb(xpad->irq_in);
1312 
1313 	/* Make sure we are done with presence work if it was scheduled */
1314 	flush_work(&xpad->work);
1315 }
1316 
1317 static int xpad_open(struct input_dev *dev)
1318 {
1319 	struct usb_xpad *xpad = input_get_drvdata(dev);
1320 
1321 	return xpad_start_input(xpad);
1322 }
1323 
1324 static void xpad_close(struct input_dev *dev)
1325 {
1326 	struct usb_xpad *xpad = input_get_drvdata(dev);
1327 
1328 	xpad_stop_input(xpad);
1329 }
1330 
1331 static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs)
1332 {
1333 	struct usb_xpad *xpad = input_get_drvdata(input_dev);
1334 	set_bit(abs, input_dev->absbit);
1335 
1336 	switch (abs) {
1337 	case ABS_X:
1338 	case ABS_Y:
1339 	case ABS_RX:
1340 	case ABS_RY:	/* the two sticks */
1341 		input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128);
1342 		break;
1343 	case ABS_Z:
1344 	case ABS_RZ:	/* the triggers (if mapped to axes) */
1345 		if (xpad->xtype == XTYPE_XBOXONE)
1346 			input_set_abs_params(input_dev, abs, 0, 1023, 0, 0);
1347 		else
1348 			input_set_abs_params(input_dev, abs, 0, 255, 0, 0);
1349 		break;
1350 	case ABS_HAT0X:
1351 	case ABS_HAT0Y:	/* the d-pad (only if dpad is mapped to axes */
1352 		input_set_abs_params(input_dev, abs, -1, 1, 0, 0);
1353 		break;
1354 	}
1355 }
1356 
1357 static void xpad_deinit_input(struct usb_xpad *xpad)
1358 {
1359 	if (xpad->input_created) {
1360 		xpad->input_created = false;
1361 		xpad_led_disconnect(xpad);
1362 		input_unregister_device(xpad->dev);
1363 	}
1364 }
1365 
1366 static int xpad_init_input(struct usb_xpad *xpad)
1367 {
1368 	struct input_dev *input_dev;
1369 	int i, error;
1370 
1371 	input_dev = input_allocate_device();
1372 	if (!input_dev)
1373 		return -ENOMEM;
1374 
1375 	xpad->dev = input_dev;
1376 	input_dev->name = xpad->name;
1377 	input_dev->phys = xpad->phys;
1378 	usb_to_input_id(xpad->udev, &input_dev->id);
1379 	input_dev->dev.parent = &xpad->intf->dev;
1380 
1381 	input_set_drvdata(input_dev, xpad);
1382 
1383 	if (xpad->xtype != XTYPE_XBOX360W) {
1384 		input_dev->open = xpad_open;
1385 		input_dev->close = xpad_close;
1386 	}
1387 
1388 	__set_bit(EV_KEY, input_dev->evbit);
1389 
1390 	if (!(xpad->mapping & MAP_STICKS_TO_NULL)) {
1391 		__set_bit(EV_ABS, input_dev->evbit);
1392 		/* set up axes */
1393 		for (i = 0; xpad_abs[i] >= 0; i++)
1394 			xpad_set_up_abs(input_dev, xpad_abs[i]);
1395 	}
1396 
1397 	/* set up standard buttons */
1398 	for (i = 0; xpad_common_btn[i] >= 0; i++)
1399 		__set_bit(xpad_common_btn[i], input_dev->keybit);
1400 
1401 	/* set up model-specific ones */
1402 	if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W ||
1403 	    xpad->xtype == XTYPE_XBOXONE) {
1404 		for (i = 0; xpad360_btn[i] >= 0; i++)
1405 			__set_bit(xpad360_btn[i], input_dev->keybit);
1406 	} else {
1407 		for (i = 0; xpad_btn[i] >= 0; i++)
1408 			__set_bit(xpad_btn[i], input_dev->keybit);
1409 	}
1410 
1411 	if (xpad->mapping & MAP_DPAD_TO_BUTTONS) {
1412 		for (i = 0; xpad_btn_pad[i] >= 0; i++)
1413 			__set_bit(xpad_btn_pad[i], input_dev->keybit);
1414 	}
1415 
1416 	/*
1417 	 * This should be a simple else block. However historically
1418 	 * xbox360w has mapped DPAD to buttons while xbox360 did not. This
1419 	 * made no sense, but now we can not just switch back and have to
1420 	 * support both behaviors.
1421 	 */
1422 	if (!(xpad->mapping & MAP_DPAD_TO_BUTTONS) ||
1423 	    xpad->xtype == XTYPE_XBOX360W) {
1424 		for (i = 0; xpad_abs_pad[i] >= 0; i++)
1425 			xpad_set_up_abs(input_dev, xpad_abs_pad[i]);
1426 	}
1427 
1428 	if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) {
1429 		for (i = 0; xpad_btn_triggers[i] >= 0; i++)
1430 			__set_bit(xpad_btn_triggers[i], input_dev->keybit);
1431 	} else {
1432 		for (i = 0; xpad_abs_triggers[i] >= 0; i++)
1433 			xpad_set_up_abs(input_dev, xpad_abs_triggers[i]);
1434 	}
1435 
1436 	error = xpad_init_ff(xpad);
1437 	if (error)
1438 		goto err_free_input;
1439 
1440 	error = xpad_led_probe(xpad);
1441 	if (error)
1442 		goto err_destroy_ff;
1443 
1444 	error = input_register_device(xpad->dev);
1445 	if (error)
1446 		goto err_disconnect_led;
1447 
1448 	xpad->input_created = true;
1449 	return 0;
1450 
1451 err_disconnect_led:
1452 	xpad_led_disconnect(xpad);
1453 err_destroy_ff:
1454 	input_ff_destroy(input_dev);
1455 err_free_input:
1456 	input_free_device(input_dev);
1457 	return error;
1458 }
1459 
1460 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id)
1461 {
1462 	struct usb_device *udev = interface_to_usbdev(intf);
1463 	struct usb_xpad *xpad;
1464 	struct usb_endpoint_descriptor *ep_irq_in;
1465 	int ep_irq_in_idx;
1466 	int i, error;
1467 
1468 	if (intf->cur_altsetting->desc.bNumEndpoints != 2)
1469 		return -ENODEV;
1470 
1471 	for (i = 0; xpad_device[i].idVendor; i++) {
1472 		if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) &&
1473 		    (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct))
1474 			break;
1475 	}
1476 
1477 	xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL);
1478 	if (!xpad)
1479 		return -ENOMEM;
1480 
1481 	usb_make_path(udev, xpad->phys, sizeof(xpad->phys));
1482 	strlcat(xpad->phys, "/input0", sizeof(xpad->phys));
1483 
1484 	xpad->idata = usb_alloc_coherent(udev, XPAD_PKT_LEN,
1485 					 GFP_KERNEL, &xpad->idata_dma);
1486 	if (!xpad->idata) {
1487 		error = -ENOMEM;
1488 		goto err_free_mem;
1489 	}
1490 
1491 	xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL);
1492 	if (!xpad->irq_in) {
1493 		error = -ENOMEM;
1494 		goto err_free_idata;
1495 	}
1496 
1497 	xpad->udev = udev;
1498 	xpad->intf = intf;
1499 	xpad->mapping = xpad_device[i].mapping;
1500 	xpad->xtype = xpad_device[i].xtype;
1501 	xpad->name = xpad_device[i].name;
1502 	INIT_WORK(&xpad->work, xpad_presence_work);
1503 
1504 	if (xpad->xtype == XTYPE_UNKNOWN) {
1505 		if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) {
1506 			if (intf->cur_altsetting->desc.bInterfaceProtocol == 129)
1507 				xpad->xtype = XTYPE_XBOX360W;
1508 			else if (intf->cur_altsetting->desc.bInterfaceProtocol == 208)
1509 				xpad->xtype = XTYPE_XBOXONE;
1510 			else
1511 				xpad->xtype = XTYPE_XBOX360;
1512 		} else {
1513 			xpad->xtype = XTYPE_XBOX;
1514 		}
1515 
1516 		if (dpad_to_buttons)
1517 			xpad->mapping |= MAP_DPAD_TO_BUTTONS;
1518 		if (triggers_to_buttons)
1519 			xpad->mapping |= MAP_TRIGGERS_TO_BUTTONS;
1520 		if (sticks_to_null)
1521 			xpad->mapping |= MAP_STICKS_TO_NULL;
1522 	}
1523 
1524 	if (xpad->xtype == XTYPE_XBOXONE &&
1525 	    intf->cur_altsetting->desc.bInterfaceNumber != 0) {
1526 		/*
1527 		 * The Xbox One controller lists three interfaces all with the
1528 		 * same interface class, subclass and protocol. Differentiate by
1529 		 * interface number.
1530 		 */
1531 		error = -ENODEV;
1532 		goto err_free_in_urb;
1533 	}
1534 
1535 	error = xpad_init_output(intf, xpad);
1536 	if (error)
1537 		goto err_free_in_urb;
1538 
1539 	/* Xbox One controller has in/out endpoints swapped. */
1540 	ep_irq_in_idx = xpad->xtype == XTYPE_XBOXONE ? 1 : 0;
1541 	ep_irq_in = &intf->cur_altsetting->endpoint[ep_irq_in_idx].desc;
1542 
1543 	usb_fill_int_urb(xpad->irq_in, udev,
1544 			 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress),
1545 			 xpad->idata, XPAD_PKT_LEN, xpad_irq_in,
1546 			 xpad, ep_irq_in->bInterval);
1547 	xpad->irq_in->transfer_dma = xpad->idata_dma;
1548 	xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
1549 
1550 	usb_set_intfdata(intf, xpad);
1551 
1552 	if (xpad->xtype == XTYPE_XBOX360W) {
1553 		/*
1554 		 * Submit the int URB immediately rather than waiting for open
1555 		 * because we get status messages from the device whether
1556 		 * or not any controllers are attached.  In fact, it's
1557 		 * exactly the message that a controller has arrived that
1558 		 * we're waiting for.
1559 		 */
1560 		error = xpad360w_start_input(xpad);
1561 		if (error)
1562 			goto err_deinit_output;
1563 		/*
1564 		 * Wireless controllers require RESET_RESUME to work properly
1565 		 * after suspend. Ideally this quirk should be in usb core
1566 		 * quirk list, but we have too many vendors producing these
1567 		 * controllers and we'd need to maintain 2 identical lists
1568 		 * here in this driver and in usb core.
1569 		 */
1570 		udev->quirks |= USB_QUIRK_RESET_RESUME;
1571 	} else {
1572 		error = xpad_init_input(xpad);
1573 		if (error)
1574 			goto err_deinit_output;
1575 	}
1576 	return 0;
1577 
1578 err_deinit_output:
1579 	xpad_deinit_output(xpad);
1580 err_free_in_urb:
1581 	usb_free_urb(xpad->irq_in);
1582 err_free_idata:
1583 	usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma);
1584 err_free_mem:
1585 	kfree(xpad);
1586 	return error;
1587 }
1588 
1589 static void xpad_disconnect(struct usb_interface *intf)
1590 {
1591 	struct usb_xpad *xpad = usb_get_intfdata(intf);
1592 
1593 	if (xpad->xtype == XTYPE_XBOX360W)
1594 		xpad360w_stop_input(xpad);
1595 
1596 	xpad_deinit_input(xpad);
1597 
1598 	/*
1599 	 * Now that both input device and LED device are gone we can
1600 	 * stop output URB.
1601 	 */
1602 	xpad_stop_output(xpad);
1603 
1604 	xpad_deinit_output(xpad);
1605 
1606 	usb_free_urb(xpad->irq_in);
1607 	usb_free_coherent(xpad->udev, XPAD_PKT_LEN,
1608 			xpad->idata, xpad->idata_dma);
1609 
1610 	kfree(xpad);
1611 
1612 	usb_set_intfdata(intf, NULL);
1613 }
1614 
1615 static int xpad_suspend(struct usb_interface *intf, pm_message_t message)
1616 {
1617 	struct usb_xpad *xpad = usb_get_intfdata(intf);
1618 	struct input_dev *input = xpad->dev;
1619 
1620 	if (xpad->xtype == XTYPE_XBOX360W) {
1621 		/*
1622 		 * Wireless controllers always listen to input so
1623 		 * they are notified when controller shows up
1624 		 * or goes away.
1625 		 */
1626 		xpad360w_stop_input(xpad);
1627 
1628 		/*
1629 		 * The wireless adapter is going off now, so the
1630 		 * gamepads are going to become disconnected.
1631 		 * Unless explicitly disabled, power them down
1632 		 * so they don't just sit there flashing.
1633 		 */
1634 		if (auto_poweroff && xpad->pad_present)
1635 			xpad360w_poweroff_controller(xpad);
1636 	} else {
1637 		mutex_lock(&input->mutex);
1638 		if (input->users)
1639 			xpad_stop_input(xpad);
1640 		mutex_unlock(&input->mutex);
1641 	}
1642 
1643 	xpad_stop_output(xpad);
1644 
1645 	return 0;
1646 }
1647 
1648 static int xpad_resume(struct usb_interface *intf)
1649 {
1650 	struct usb_xpad *xpad = usb_get_intfdata(intf);
1651 	struct input_dev *input = xpad->dev;
1652 	int retval = 0;
1653 
1654 	if (xpad->xtype == XTYPE_XBOX360W) {
1655 		retval = xpad360w_start_input(xpad);
1656 	} else {
1657 		mutex_lock(&input->mutex);
1658 		if (input->users)
1659 			retval = xpad_start_input(xpad);
1660 		mutex_unlock(&input->mutex);
1661 	}
1662 
1663 	return retval;
1664 }
1665 
1666 static struct usb_driver xpad_driver = {
1667 	.name		= "xpad",
1668 	.probe		= xpad_probe,
1669 	.disconnect	= xpad_disconnect,
1670 	.suspend	= xpad_suspend,
1671 	.resume		= xpad_resume,
1672 	.reset_resume	= xpad_resume,
1673 	.id_table	= xpad_table,
1674 };
1675 
1676 module_usb_driver(xpad_driver);
1677 
1678 MODULE_AUTHOR(DRIVER_AUTHOR);
1679 MODULE_DESCRIPTION(DRIVER_DESC);
1680 MODULE_LICENSE("GPL");
1681