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