/* * X-Box gamepad driver * * Copyright (c) 2002 Marko Friedemann <mfr@bmx-chemnitz.de> * 2004 Oliver Schwartz <Oliver.Schwartz@gmx.de>, * Steven Toth <steve@toth.demon.co.uk>, * Franz Lehner <franz@caos.at>, * Ivan Hawkes <blackhawk@ivanhawkes.com> * 2005 Dominic Cerquetti <binary1230@yahoo.com> * 2006 Adam Buchbinder <adam.buchbinder@gmail.com> * 2007 Jan Kratochvil <honza@jikos.cz> * 2010 Christoph Fritz <chf.fritz@googlemail.com> * * This program is free software; you can redistribute it and/or * modify it under the terms of the GNU General Public License as * published by the Free Software Foundation; either version 2 of * the License, or (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA * * * This driver is based on: * - information from http://euc.jp/periphs/xbox-controller.ja.html * - the iForce driver drivers/char/joystick/iforce.c * - the skeleton-driver drivers/usb/usb-skeleton.c * - Xbox 360 information http://www.free60.org/wiki/Gamepad * - Xbox One information https://github.com/quantus/xbox-one-controller-protocol * * Thanks to: * - ITO Takayuki for providing essential xpad information on his website * - Vojtech Pavlik - iforce driver / input subsystem * - Greg Kroah-Hartman - usb-skeleton driver * - XBOX Linux project - extra USB id's * - Pekka Pöyry (quantus) - Xbox One controller reverse engineering * * TODO: * - fine tune axes (especially trigger axes) * - fix "analog" buttons (reported as digital now) * - get rumble working * - need USB IDs for other dance pads * * History: * * 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller" * * 2002-07-02 - 0.0.2 : basic working version * - all axes and 9 of the 10 buttons work (german InterAct device) * - the black button does not work * * 2002-07-14 - 0.0.3 : rework by Vojtech Pavlik * - indentation fixes * - usb + input init sequence fixes * * 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3 * - verified the lack of HID and report descriptors * - verified that ALL buttons WORK * - fixed d-pad to axes mapping * * 2002-07-17 - 0.0.5 : simplified d-pad handling * * 2004-10-02 - 0.0.6 : DDR pad support * - borrowed from the XBOX linux kernel * - USB id's for commonly used dance pads are present * - dance pads will map D-PAD to buttons, not axes * - pass the module paramater 'dpad_to_buttons' to force * the D-PAD to map to buttons if your pad is not detected * * Later changes can be tracked in SCM. */ #include <linux/kernel.h> #include <linux/slab.h> #include <linux/stat.h> #include <linux/module.h> #include <linux/usb/input.h> #define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>" #define DRIVER_DESC "X-Box pad driver" #define XPAD_PKT_LEN 32 /* xbox d-pads should map to buttons, as is required for DDR pads but we map them to axes when possible to simplify things */ #define MAP_DPAD_TO_BUTTONS (1 << 0) #define MAP_TRIGGERS_TO_BUTTONS (1 << 1) #define MAP_STICKS_TO_NULL (1 << 2) #define DANCEPAD_MAP_CONFIG (MAP_DPAD_TO_BUTTONS | \ MAP_TRIGGERS_TO_BUTTONS | MAP_STICKS_TO_NULL) #define XTYPE_XBOX 0 #define XTYPE_XBOX360 1 #define XTYPE_XBOX360W 2 #define XTYPE_XBOXONE 3 #define XTYPE_UNKNOWN 4 static bool dpad_to_buttons; module_param(dpad_to_buttons, bool, S_IRUGO); MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads"); static bool triggers_to_buttons; module_param(triggers_to_buttons, bool, S_IRUGO); MODULE_PARM_DESC(triggers_to_buttons, "Map triggers to buttons rather than axes for unknown pads"); static bool sticks_to_null; module_param(sticks_to_null, bool, S_IRUGO); MODULE_PARM_DESC(sticks_to_null, "Do not map sticks at all for unknown pads"); static const struct xpad_device { u16 idVendor; u16 idProduct; char *name; u8 mapping; u8 xtype; } xpad_device[] = { { 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", 0, XTYPE_XBOX }, { 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", 0, XTYPE_XBOX }, { 0x045e, 0x0287, "Microsoft Xbox Controller S", 0, XTYPE_XBOX }, { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", 0, XTYPE_XBOX }, { 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 }, { 0x045e, 0x02d1, "Microsoft X-Box One pad", 0, XTYPE_XBOXONE }, { 0x045e, 0x02dd, "Microsoft X-Box One pad (Covert Forces)", 0, XTYPE_XBOXONE }, { 0x045e, 0x0291, "Xbox 360 Wireless Receiver (XBOX)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W }, { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W }, { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX }, { 0x044f, 0xb326, "Thrustmaster Gamepad GP XID", 0, XTYPE_XBOX360 }, { 0x046d, 0xc21d, "Logitech Gamepad F310", 0, XTYPE_XBOX360 }, { 0x046d, 0xc21e, "Logitech Gamepad F510", 0, XTYPE_XBOX360 }, { 0x046d, 0xc21f, "Logitech Gamepad F710", 0, XTYPE_XBOX360 }, { 0x046d, 0xc242, "Logitech Chillstream Controller", 0, XTYPE_XBOX360 }, { 0x046d, 0xca84, "Logitech Xbox Cordless Controller", 0, XTYPE_XBOX }, { 0x046d, 0xca88, "Logitech Compact Controller for Xbox", 0, XTYPE_XBOX }, { 0x05fd, 0x1007, "Mad Catz Controller (unverified)", 0, XTYPE_XBOX }, { 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", 0, XTYPE_XBOX }, { 0x0738, 0x4516, "Mad Catz Control Pad", 0, XTYPE_XBOX }, { 0x0738, 0x4522, "Mad Catz LumiCON", 0, XTYPE_XBOX }, { 0x0738, 0x4526, "Mad Catz Control Pad Pro", 0, XTYPE_XBOX }, { 0x0738, 0x4536, "Mad Catz MicroCON", 0, XTYPE_XBOX }, { 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", 0, XTYPE_XBOX }, { 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", 0, XTYPE_XBOX360 }, { 0x0738, 0x4718, "Mad Catz Street Fighter IV FightStick SE", 0, XTYPE_XBOX360 }, { 0x0738, 0x4726, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 }, { 0x0738, 0x4728, "Mad Catz Street Fighter IV FightPad", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, { 0x0738, 0x4738, "Mad Catz Wired Xbox 360 Controller (SFIV)", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, { 0x0738, 0x4740, "Mad Catz Beat Pad", 0, XTYPE_XBOX360 }, { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x0738, 0xb726, "Mad Catz Xbox controller - MW2", 0, XTYPE_XBOX360 }, { 0x0738, 0xbeef, "Mad Catz JOYTECH NEO SE Advanced GamePad", XTYPE_XBOX360 }, { 0x0738, 0xcb02, "Saitek Cyborg Rumble Pad - PC/Xbox 360", 0, XTYPE_XBOX360 }, { 0x0738, 0xcb03, "Saitek P3200 Rumble Pad - PC/Xbox 360", 0, XTYPE_XBOX360 }, { 0x0738, 0xf738, "Super SFIV FightStick TE S", 0, XTYPE_XBOX360 }, { 0x0c12, 0x8802, "Zeroplus Xbox Controller", 0, XTYPE_XBOX }, { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", DANCEPAD_MAP_CONFIG, XTYPE_XBOX }, { 0x0c12, 0x880a, "Pelican Eclipse PL-2023", 0, XTYPE_XBOX }, { 0x0c12, 0x8810, "Zeroplus Xbox Controller", 0, XTYPE_XBOX }, { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX }, { 0x0d2f, 0x0002, "Andamiro Pump It Up pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX }, { 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX }, { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", 0, XTYPE_XBOX }, { 0x0e6f, 0x0005, "Eclipse wireless Controller", 0, XTYPE_XBOX }, { 0x0e6f, 0x0006, "Edge wireless Controller", 0, XTYPE_XBOX }, { 0x0e6f, 0x0105, "HSM3 Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, { 0x0e6f, 0x0113, "Afterglow AX.1 Gamepad for Xbox 360", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x0201, "Pelican PL-3601 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x0213, "Afterglow Gamepad for Xbox 360", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x021f, "Rock Candy Gamepad for Xbox 360", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x0301, "Logic3 Controller", 0, XTYPE_XBOX360 }, { 0x0e6f, 0x0401, "Logic3 Controller", 0, XTYPE_XBOX360 }, { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", 0, XTYPE_XBOX }, { 0x0e8f, 0x3008, "Generic xbox control (dealextreme)", 0, XTYPE_XBOX }, { 0x0f0d, 0x000a, "Hori Co. DOA4 FightStick", 0, XTYPE_XBOX360 }, { 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, { 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, { 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX }, { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX }, { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", 0, XTYPE_XBOX }, { 0x12ab, 0x0004, "Honey Bee Xbox360 dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, { 0x12ab, 0x0301, "PDP AFTERGLOW AX.1", 0, XTYPE_XBOX360 }, { 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", 0, XTYPE_XBOX360 }, { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, { 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 }, { 0x1532, 0x0037, "Razer Sabertooth", 0, XTYPE_XBOX360 }, { 0x15e4, 0x3f00, "Power A Mini Pro Elite", 0, XTYPE_XBOX360 }, { 0x15e4, 0x3f0a, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 }, { 0x15e4, 0x3f10, "Batarang Xbox 360 controller", 0, XTYPE_XBOX360 }, { 0x162e, 0xbeef, "Joytech Neo-Se Take2", 0, XTYPE_XBOX360 }, { 0x1689, 0xfd00, "Razer Onza Tournament Edition", 0, XTYPE_XBOX360 }, { 0x1689, 0xfd01, "Razer Onza Classic Edition", 0, XTYPE_XBOX360 }, { 0x24c6, 0x5d04, "Razer Sabertooth", 0, XTYPE_XBOX360 }, { 0x1bad, 0x0002, "Harmonix Rock Band Guitar", 0, XTYPE_XBOX360 }, { 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, { 0x1bad, 0xf016, "Mad Catz Xbox 360 Controller", 0, XTYPE_XBOX360 }, { 0x1bad, 0xf023, "MLG Pro Circuit Controller (Xbox)", 0, XTYPE_XBOX360 }, { 0x1bad, 0xf028, "Street Fighter IV FightPad", 0, XTYPE_XBOX360 }, { 0x1bad, 0xf038, "Street Fighter IV FightStick TE", 0, XTYPE_XBOX360 }, { 0x1bad, 0xf900, "Harmonix Xbox 360 Controller", 0, XTYPE_XBOX360 }, { 0x1bad, 0xf901, "Gamestop Xbox 360 Controller", 0, XTYPE_XBOX360 }, { 0x1bad, 0xf903, "Tron Xbox 360 controller", 0, XTYPE_XBOX360 }, { 0x24c6, 0x5000, "Razer Atrox Arcade Stick", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, { 0x24c6, 0x5300, "PowerA MINI PROEX Controller", 0, XTYPE_XBOX360 }, { 0x24c6, 0x5303, "Xbox Airflo wired controller", 0, XTYPE_XBOX360 }, { 0x24c6, 0x5500, "Hori XBOX 360 EX 2 with Turbo", 0, XTYPE_XBOX360 }, { 0x24c6, 0x5501, "Hori Real Arcade Pro VX-SA", 0, XTYPE_XBOX360 }, { 0x24c6, 0x5506, "Hori SOULCALIBUR V Stick", 0, XTYPE_XBOX360 }, { 0x24c6, 0x5b02, "Thrustmaster, Inc. GPX Controller", 0, XTYPE_XBOX360 }, { 0x24c6, 0x5b03, "Thrustmaster Ferrari 458 Racing Wheel", 0, XTYPE_XBOX360 }, { 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX }, { 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN } }; /* buttons shared with xbox and xbox360 */ static const signed short xpad_common_btn[] = { BTN_A, BTN_B, BTN_X, BTN_Y, /* "analog" buttons */ BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */ -1 /* terminating entry */ }; /* original xbox controllers only */ static const signed short xpad_btn[] = { BTN_C, BTN_Z, /* "analog" buttons */ -1 /* terminating entry */ }; /* used when dpad is mapped to buttons */ static const signed short xpad_btn_pad[] = { BTN_TRIGGER_HAPPY1, BTN_TRIGGER_HAPPY2, /* d-pad left, right */ BTN_TRIGGER_HAPPY3, BTN_TRIGGER_HAPPY4, /* d-pad up, down */ -1 /* terminating entry */ }; /* used when triggers are mapped to buttons */ static const signed short xpad_btn_triggers[] = { BTN_TL2, BTN_TR2, /* triggers left/right */ -1 }; static const signed short xpad360_btn[] = { /* buttons for x360 controller */ BTN_TL, BTN_TR, /* Button LB/RB */ BTN_MODE, /* The big X button */ -1 }; static const signed short xpad_abs[] = { ABS_X, ABS_Y, /* left stick */ ABS_RX, ABS_RY, /* right stick */ -1 /* terminating entry */ }; /* used when dpad is mapped to axes */ static const signed short xpad_abs_pad[] = { ABS_HAT0X, ABS_HAT0Y, /* d-pad axes */ -1 /* terminating entry */ }; /* used when triggers are mapped to axes */ static const signed short xpad_abs_triggers[] = { ABS_Z, ABS_RZ, /* triggers left/right */ -1 }; /* * Xbox 360 has a vendor-specific class, so we cannot match it with only * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we * match against vendor id as well. Wired Xbox 360 devices have protocol 1, * wireless controllers have protocol 129. */ #define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \ .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \ .idVendor = (vend), \ .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \ .bInterfaceSubClass = 93, \ .bInterfaceProtocol = (pr) #define XPAD_XBOX360_VENDOR(vend) \ { XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \ { XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) } /* The Xbox One controller uses subclass 71 and protocol 208. */ #define XPAD_XBOXONE_VENDOR_PROTOCOL(vend, pr) \ .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \ .idVendor = (vend), \ .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \ .bInterfaceSubClass = 71, \ .bInterfaceProtocol = (pr) #define XPAD_XBOXONE_VENDOR(vend) \ { XPAD_XBOXONE_VENDOR_PROTOCOL(vend, 208) } static struct usb_device_id xpad_table[] = { { USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */ XPAD_XBOX360_VENDOR(0x044f), /* Thrustmaster X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */ XPAD_XBOXONE_VENDOR(0x045e), /* Microsoft X-Box One controllers */ XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */ XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */ { USB_DEVICE(0x0738, 0x4540) }, /* Mad Catz Beat Pad */ XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x12ab), /* X-Box 360 dance pads */ XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */ XPAD_XBOX360_VENDOR(0x1bad), /* Harminix Rock Band Guitar and Drums */ XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */ XPAD_XBOX360_VENDOR(0x1689), /* Razer Onza */ XPAD_XBOX360_VENDOR(0x24c6), /* PowerA Controllers */ XPAD_XBOX360_VENDOR(0x1532), /* Razer Sabertooth */ XPAD_XBOX360_VENDOR(0x15e4), /* Numark X-Box 360 controllers */ XPAD_XBOX360_VENDOR(0x162e), /* Joytech X-Box 360 controllers */ { } }; MODULE_DEVICE_TABLE(usb, xpad_table); struct usb_xpad { struct input_dev *dev; /* input device interface */ struct usb_device *udev; /* usb device */ struct usb_interface *intf; /* usb interface */ int pad_present; struct urb *irq_in; /* urb for interrupt in report */ unsigned char *idata; /* input data */ dma_addr_t idata_dma; struct urb *irq_out; /* urb for interrupt out report */ unsigned char *odata; /* output data */ dma_addr_t odata_dma; struct mutex odata_mutex; #if defined(CONFIG_JOYSTICK_XPAD_LEDS) struct xpad_led *led; #endif char phys[64]; /* physical device path */ int mapping; /* map d-pad to buttons or to axes */ int xtype; /* type of xbox device */ int pad_nr; /* the order x360 pads were attached */ const char *name; /* name of the device */ }; /* * xpad_process_packet * * Completes a request by converting the data into events for the * input subsystem. * * The used report descriptor was taken from ITO Takayukis website: * http://euc.jp/periphs/xbox-controller.ja.html */ static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) { struct input_dev *dev = xpad->dev; if (!(xpad->mapping & MAP_STICKS_TO_NULL)) { /* left stick */ input_report_abs(dev, ABS_X, (__s16) le16_to_cpup((__le16 *)(data + 12))); input_report_abs(dev, ABS_Y, ~(__s16) le16_to_cpup((__le16 *)(data + 14))); /* right stick */ input_report_abs(dev, ABS_RX, (__s16) le16_to_cpup((__le16 *)(data + 16))); input_report_abs(dev, ABS_RY, ~(__s16) le16_to_cpup((__le16 *)(data + 18))); } /* triggers left/right */ if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) { input_report_key(dev, BTN_TL2, data[10]); input_report_key(dev, BTN_TR2, data[11]); } else { input_report_abs(dev, ABS_Z, data[10]); input_report_abs(dev, ABS_RZ, data[11]); } /* digital pad */ if (xpad->mapping & MAP_DPAD_TO_BUTTONS) { /* dpad as buttons (left, right, up, down) */ input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04); input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08); input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01); input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02); } else { input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04)); input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x02) - !!(data[2] & 0x01)); } /* start/back buttons and stick press left/right */ input_report_key(dev, BTN_START, data[2] & 0x10); input_report_key(dev, BTN_SELECT, data[2] & 0x20); input_report_key(dev, BTN_THUMBL, data[2] & 0x40); input_report_key(dev, BTN_THUMBR, data[2] & 0x80); /* "analog" buttons A, B, X, Y */ input_report_key(dev, BTN_A, data[4]); input_report_key(dev, BTN_B, data[5]); input_report_key(dev, BTN_X, data[6]); input_report_key(dev, BTN_Y, data[7]); /* "analog" buttons black, white */ input_report_key(dev, BTN_C, data[8]); input_report_key(dev, BTN_Z, data[9]); input_sync(dev); } /* * xpad360_process_packet * * Completes a request by converting the data into events for the * input subsystem. It is version for xbox 360 controller * * The used report descriptor was taken from: * http://www.free60.org/wiki/Gamepad */ static void xpad360_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) { struct input_dev *dev = xpad->dev; /* digital pad */ if (xpad->mapping & MAP_DPAD_TO_BUTTONS) { /* dpad as buttons (left, right, up, down) */ input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04); input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08); input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01); input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02); } /* * This should be a simple else block. However historically * xbox360w has mapped DPAD to buttons while xbox360 did not. This * made no sense, but now we can not just switch back and have to * support both behaviors. */ if (!(xpad->mapping & MAP_DPAD_TO_BUTTONS) || xpad->xtype == XTYPE_XBOX360W) { input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04)); input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x02) - !!(data[2] & 0x01)); } /* start/back buttons */ input_report_key(dev, BTN_START, data[2] & 0x10); input_report_key(dev, BTN_SELECT, data[2] & 0x20); /* stick press left/right */ input_report_key(dev, BTN_THUMBL, data[2] & 0x40); input_report_key(dev, BTN_THUMBR, data[2] & 0x80); /* buttons A,B,X,Y,TL,TR and MODE */ input_report_key(dev, BTN_A, data[3] & 0x10); input_report_key(dev, BTN_B, data[3] & 0x20); input_report_key(dev, BTN_X, data[3] & 0x40); input_report_key(dev, BTN_Y, data[3] & 0x80); input_report_key(dev, BTN_TL, data[3] & 0x01); input_report_key(dev, BTN_TR, data[3] & 0x02); input_report_key(dev, BTN_MODE, data[3] & 0x04); if (!(xpad->mapping & MAP_STICKS_TO_NULL)) { /* left stick */ input_report_abs(dev, ABS_X, (__s16) le16_to_cpup((__le16 *)(data + 6))); input_report_abs(dev, ABS_Y, ~(__s16) le16_to_cpup((__le16 *)(data + 8))); /* right stick */ input_report_abs(dev, ABS_RX, (__s16) le16_to_cpup((__le16 *)(data + 10))); input_report_abs(dev, ABS_RY, ~(__s16) le16_to_cpup((__le16 *)(data + 12))); } /* triggers left/right */ if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) { input_report_key(dev, BTN_TL2, data[4]); input_report_key(dev, BTN_TR2, data[5]); } else { input_report_abs(dev, ABS_Z, data[4]); input_report_abs(dev, ABS_RZ, data[5]); } input_sync(dev); } static void xpad_identify_controller(struct usb_xpad *xpad); /* * xpad360w_process_packet * * Completes a request by converting the data into events for the * input subsystem. It is version for xbox 360 wireless controller. * * Byte.Bit * 00.1 - Status change: The controller or headset has connected/disconnected * Bits 01.7 and 01.6 are valid * 01.7 - Controller present * 01.6 - Headset present * 01.1 - Pad state (Bytes 4+) valid * */ static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) { /* Presence change */ if (data[0] & 0x08) { if (data[1] & 0x80) { xpad->pad_present = 1; /* * Light up the segment corresponding to * controller number. */ xpad_identify_controller(xpad); } else xpad->pad_present = 0; } /* Valid pad data */ if (!(data[1] & 0x1)) return; xpad360_process_packet(xpad, cmd, &data[4]); } /* * xpadone_process_buttons * * Process a button update packet from an Xbox one controller. */ static void xpadone_process_buttons(struct usb_xpad *xpad, struct input_dev *dev, unsigned char *data) { /* menu/view buttons */ input_report_key(dev, BTN_START, data[4] & 0x04); input_report_key(dev, BTN_SELECT, data[4] & 0x08); /* buttons A,B,X,Y */ input_report_key(dev, BTN_A, data[4] & 0x10); input_report_key(dev, BTN_B, data[4] & 0x20); input_report_key(dev, BTN_X, data[4] & 0x40); input_report_key(dev, BTN_Y, data[4] & 0x80); /* digital pad */ if (xpad->mapping & MAP_DPAD_TO_BUTTONS) { /* dpad as buttons (left, right, up, down) */ input_report_key(dev, BTN_TRIGGER_HAPPY1, data[5] & 0x04); input_report_key(dev, BTN_TRIGGER_HAPPY2, data[5] & 0x08); input_report_key(dev, BTN_TRIGGER_HAPPY3, data[5] & 0x01); input_report_key(dev, BTN_TRIGGER_HAPPY4, data[5] & 0x02); } else { input_report_abs(dev, ABS_HAT0X, !!(data[5] & 0x08) - !!(data[5] & 0x04)); input_report_abs(dev, ABS_HAT0Y, !!(data[5] & 0x02) - !!(data[5] & 0x01)); } /* TL/TR */ input_report_key(dev, BTN_TL, data[5] & 0x10); input_report_key(dev, BTN_TR, data[5] & 0x20); /* stick press left/right */ input_report_key(dev, BTN_THUMBL, data[5] & 0x40); input_report_key(dev, BTN_THUMBR, data[5] & 0x80); if (!(xpad->mapping & MAP_STICKS_TO_NULL)) { /* left stick */ input_report_abs(dev, ABS_X, (__s16) le16_to_cpup((__le16 *)(data + 10))); input_report_abs(dev, ABS_Y, ~(__s16) le16_to_cpup((__le16 *)(data + 12))); /* right stick */ input_report_abs(dev, ABS_RX, (__s16) le16_to_cpup((__le16 *)(data + 14))); input_report_abs(dev, ABS_RY, ~(__s16) le16_to_cpup((__le16 *)(data + 16))); } /* triggers left/right */ if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) { input_report_key(dev, BTN_TL2, (__u16) le16_to_cpup((__le16 *)(data + 6))); input_report_key(dev, BTN_TR2, (__u16) le16_to_cpup((__le16 *)(data + 8))); } else { input_report_abs(dev, ABS_Z, (__u16) le16_to_cpup((__le16 *)(data + 6))); input_report_abs(dev, ABS_RZ, (__u16) le16_to_cpup((__le16 *)(data + 8))); } input_sync(dev); } /* * xpadone_process_packet * * Completes a request by converting the data into events for the * input subsystem. This version is for the Xbox One controller. * * The report format was gleaned from * https://github.com/kylelemons/xbox/blob/master/xbox.go */ static void xpadone_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) { struct input_dev *dev = xpad->dev; switch (data[0]) { case 0x20: xpadone_process_buttons(xpad, dev, data); break; case 0x07: /* the xbox button has its own special report */ input_report_key(dev, BTN_MODE, data[4] & 0x01); input_sync(dev); break; } } static void xpad_irq_in(struct urb *urb) { struct usb_xpad *xpad = urb->context; struct device *dev = &xpad->intf->dev; int retval, status; status = urb->status; switch (status) { case 0: /* success */ break; case -ECONNRESET: case -ENOENT: case -ESHUTDOWN: /* this urb is terminated, clean up */ dev_dbg(dev, "%s - urb shutting down with status: %d\n", __func__, status); return; default: dev_dbg(dev, "%s - nonzero urb status received: %d\n", __func__, status); goto exit; } switch (xpad->xtype) { case XTYPE_XBOX360: xpad360_process_packet(xpad, 0, xpad->idata); break; case XTYPE_XBOX360W: xpad360w_process_packet(xpad, 0, xpad->idata); break; case XTYPE_XBOXONE: xpadone_process_packet(xpad, 0, xpad->idata); break; default: xpad_process_packet(xpad, 0, xpad->idata); } exit: retval = usb_submit_urb(urb, GFP_ATOMIC); if (retval) dev_err(dev, "%s - usb_submit_urb failed with result %d\n", __func__, retval); } static void xpad_irq_out(struct urb *urb) { struct usb_xpad *xpad = urb->context; struct device *dev = &xpad->intf->dev; int retval, status; status = urb->status; switch (status) { case 0: /* success */ return; case -ECONNRESET: case -ENOENT: case -ESHUTDOWN: /* this urb is terminated, clean up */ dev_dbg(dev, "%s - urb shutting down with status: %d\n", __func__, status); return; default: dev_dbg(dev, "%s - nonzero urb status received: %d\n", __func__, status); goto exit; } exit: retval = usb_submit_urb(urb, GFP_ATOMIC); if (retval) dev_err(dev, "%s - usb_submit_urb failed with result %d\n", __func__, retval); } static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { struct usb_endpoint_descriptor *ep_irq_out; int ep_irq_out_idx; int error; if (xpad->xtype == XTYPE_UNKNOWN) return 0; xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN, GFP_KERNEL, &xpad->odata_dma); if (!xpad->odata) { error = -ENOMEM; goto fail1; } mutex_init(&xpad->odata_mutex); xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL); if (!xpad->irq_out) { error = -ENOMEM; goto fail2; } /* Xbox One controller has in/out endpoints swapped. */ ep_irq_out_idx = xpad->xtype == XTYPE_XBOXONE ? 0 : 1; ep_irq_out = &intf->cur_altsetting->endpoint[ep_irq_out_idx].desc; usb_fill_int_urb(xpad->irq_out, xpad->udev, usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress), xpad->odata, XPAD_PKT_LEN, xpad_irq_out, xpad, ep_irq_out->bInterval); xpad->irq_out->transfer_dma = xpad->odata_dma; xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; return 0; fail2: usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); fail1: return error; } static void xpad_stop_output(struct usb_xpad *xpad) { if (xpad->xtype != XTYPE_UNKNOWN) usb_kill_urb(xpad->irq_out); } static void xpad_deinit_output(struct usb_xpad *xpad) { if (xpad->xtype != XTYPE_UNKNOWN) { usb_free_urb(xpad->irq_out); usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); } } static int xpad_inquiry_pad_presence(struct usb_xpad *xpad) { int retval; mutex_lock(&xpad->odata_mutex); xpad->odata[0] = 0x08; xpad->odata[1] = 0x00; xpad->odata[2] = 0x0F; xpad->odata[3] = 0xC0; xpad->odata[4] = 0x00; xpad->odata[5] = 0x00; xpad->odata[6] = 0x00; xpad->odata[7] = 0x00; xpad->odata[8] = 0x00; xpad->odata[9] = 0x00; xpad->odata[10] = 0x00; xpad->odata[11] = 0x00; xpad->irq_out->transfer_buffer_length = 12; retval = usb_submit_urb(xpad->irq_out, GFP_KERNEL); mutex_unlock(&xpad->odata_mutex); return retval; } #ifdef CONFIG_JOYSTICK_XPAD_FF static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect) { struct usb_xpad *xpad = input_get_drvdata(dev); __u16 strong; __u16 weak; if (effect->type != FF_RUMBLE) return 0; strong = effect->u.rumble.strong_magnitude; weak = effect->u.rumble.weak_magnitude; switch (xpad->xtype) { case XTYPE_XBOX: xpad->odata[0] = 0x00; xpad->odata[1] = 0x06; xpad->odata[2] = 0x00; xpad->odata[3] = strong / 256; /* left actuator */ xpad->odata[4] = 0x00; xpad->odata[5] = weak / 256; /* right actuator */ xpad->irq_out->transfer_buffer_length = 6; break; case XTYPE_XBOX360: xpad->odata[0] = 0x00; xpad->odata[1] = 0x08; xpad->odata[2] = 0x00; xpad->odata[3] = strong / 256; /* left actuator? */ xpad->odata[4] = weak / 256; /* right actuator? */ xpad->odata[5] = 0x00; xpad->odata[6] = 0x00; xpad->odata[7] = 0x00; xpad->irq_out->transfer_buffer_length = 8; break; case XTYPE_XBOX360W: xpad->odata[0] = 0x00; xpad->odata[1] = 0x01; xpad->odata[2] = 0x0F; xpad->odata[3] = 0xC0; xpad->odata[4] = 0x00; xpad->odata[5] = strong / 256; xpad->odata[6] = weak / 256; xpad->odata[7] = 0x00; xpad->odata[8] = 0x00; xpad->odata[9] = 0x00; xpad->odata[10] = 0x00; xpad->odata[11] = 0x00; xpad->irq_out->transfer_buffer_length = 12; break; case XTYPE_XBOXONE: xpad->odata[0] = 0x09; /* activate rumble */ xpad->odata[1] = 0x08; xpad->odata[2] = 0x00; xpad->odata[3] = 0x08; /* continuous effect */ xpad->odata[4] = 0x00; /* simple rumble mode */ xpad->odata[5] = 0x03; /* L and R actuator only */ xpad->odata[6] = 0x00; /* TODO: LT actuator */ xpad->odata[7] = 0x00; /* TODO: RT actuator */ xpad->odata[8] = strong / 256; /* left actuator */ xpad->odata[9] = weak / 256; /* right actuator */ xpad->odata[10] = 0x80; /* length of pulse */ xpad->odata[11] = 0x00; /* stop period of pulse */ xpad->irq_out->transfer_buffer_length = 12; break; default: dev_dbg(&xpad->dev->dev, "%s - rumble command sent to unsupported xpad type: %d\n", __func__, xpad->xtype); return -EINVAL; } return usb_submit_urb(xpad->irq_out, GFP_ATOMIC); } static int xpad_init_ff(struct usb_xpad *xpad) { if (xpad->xtype == XTYPE_UNKNOWN || xpad->xtype == XTYPE_XBOXONE) return 0; input_set_capability(xpad->dev, EV_FF, FF_RUMBLE); return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect); } #else static int xpad_init_ff(struct usb_xpad *xpad) { return 0; } #endif #if defined(CONFIG_JOYSTICK_XPAD_LEDS) #include <linux/leds.h> #include <linux/idr.h> static DEFINE_IDA(xpad_pad_seq); struct xpad_led { char name[16]; struct led_classdev led_cdev; struct usb_xpad *xpad; }; /** * set the LEDs on Xbox360 / Wireless Controllers * @param command * 0: off * 1: all blink, then previous setting * 2: 1/top-left blink, then on * 3: 2/top-right blink, then on * 4: 3/bottom-left blink, then on * 5: 4/bottom-right blink, then on * 6: 1/top-left on * 7: 2/top-right on * 8: 3/bottom-left on * 9: 4/bottom-right on * 10: rotate * 11: blink, based on previous setting * 12: slow blink, based on previous setting * 13: rotate with two lights * 14: persistent slow all blink * 15: blink once, then previous setting */ static void xpad_send_led_command(struct usb_xpad *xpad, int command) { command %= 16; mutex_lock(&xpad->odata_mutex); switch (xpad->xtype) { case XTYPE_XBOX360: xpad->odata[0] = 0x01; xpad->odata[1] = 0x03; xpad->odata[2] = command; xpad->irq_out->transfer_buffer_length = 3; break; case XTYPE_XBOX360W: xpad->odata[0] = 0x00; xpad->odata[1] = 0x00; xpad->odata[2] = 0x08; xpad->odata[3] = 0x40 + command; xpad->odata[4] = 0x00; xpad->odata[5] = 0x00; xpad->odata[6] = 0x00; xpad->odata[7] = 0x00; xpad->odata[8] = 0x00; xpad->odata[9] = 0x00; xpad->odata[10] = 0x00; xpad->odata[11] = 0x00; xpad->irq_out->transfer_buffer_length = 12; break; } usb_submit_urb(xpad->irq_out, GFP_KERNEL); mutex_unlock(&xpad->odata_mutex); } /* * Light up the segment corresponding to the pad number on * Xbox 360 Controllers. */ static void xpad_identify_controller(struct usb_xpad *xpad) { xpad_send_led_command(xpad, (xpad->pad_nr % 4) + 2); } static void xpad_led_set(struct led_classdev *led_cdev, enum led_brightness value) { struct xpad_led *xpad_led = container_of(led_cdev, struct xpad_led, led_cdev); xpad_send_led_command(xpad_led->xpad, value); } static int xpad_led_probe(struct usb_xpad *xpad) { struct xpad_led *led; struct led_classdev *led_cdev; int error; if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX360W) return 0; xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL); if (!led) return -ENOMEM; xpad->pad_nr = ida_simple_get(&xpad_pad_seq, 0, 0, GFP_KERNEL); if (xpad->pad_nr < 0) { error = xpad->pad_nr; goto err_free_mem; } snprintf(led->name, sizeof(led->name), "xpad%d", xpad->pad_nr); led->xpad = xpad; led_cdev = &led->led_cdev; led_cdev->name = led->name; led_cdev->brightness_set = xpad_led_set; error = led_classdev_register(&xpad->udev->dev, led_cdev); if (error) goto err_free_id; if (xpad->xtype == XTYPE_XBOX360) { /* * Light up the segment corresponding to controller * number on wired devices. On wireless we'll do that * when they respond to "presence" packet. */ xpad_identify_controller(xpad); } return 0; err_free_id: ida_simple_remove(&xpad_pad_seq, xpad->pad_nr); err_free_mem: kfree(led); xpad->led = NULL; return error; } static void xpad_led_disconnect(struct usb_xpad *xpad) { struct xpad_led *xpad_led = xpad->led; if (xpad_led) { led_classdev_unregister(&xpad_led->led_cdev); ida_simple_remove(&xpad_pad_seq, xpad->pad_nr); kfree(xpad_led); } } #else static int xpad_led_probe(struct usb_xpad *xpad) { return 0; } static void xpad_led_disconnect(struct usb_xpad *xpad) { } static void xpad_identify_controller(struct usb_xpad *xpad) { } #endif static int xpad_open(struct input_dev *dev) { struct usb_xpad *xpad = input_get_drvdata(dev); /* URB was submitted in probe */ if (xpad->xtype == XTYPE_XBOX360W) return 0; xpad->irq_in->dev = xpad->udev; if (usb_submit_urb(xpad->irq_in, GFP_KERNEL)) return -EIO; if (xpad->xtype == XTYPE_XBOXONE) { /* Xbox one controller needs to be initialized. */ xpad->odata[0] = 0x05; xpad->odata[1] = 0x20; xpad->irq_out->transfer_buffer_length = 2; return usb_submit_urb(xpad->irq_out, GFP_KERNEL); } return 0; } static void xpad_close(struct input_dev *dev) { struct usb_xpad *xpad = input_get_drvdata(dev); if (xpad->xtype != XTYPE_XBOX360W) usb_kill_urb(xpad->irq_in); xpad_stop_output(xpad); } static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs) { struct usb_xpad *xpad = input_get_drvdata(input_dev); set_bit(abs, input_dev->absbit); switch (abs) { case ABS_X: case ABS_Y: case ABS_RX: case ABS_RY: /* the two sticks */ input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128); break; case ABS_Z: case ABS_RZ: /* the triggers (if mapped to axes) */ if (xpad->xtype == XTYPE_XBOXONE) input_set_abs_params(input_dev, abs, 0, 1023, 0, 0); else input_set_abs_params(input_dev, abs, 0, 255, 0, 0); break; case ABS_HAT0X: case ABS_HAT0Y: /* the d-pad (only if dpad is mapped to axes */ input_set_abs_params(input_dev, abs, -1, 1, 0, 0); break; } } static void xpad_deinit_input(struct usb_xpad *xpad) { xpad_led_disconnect(xpad); input_unregister_device(xpad->dev); } static int xpad_init_input(struct usb_xpad *xpad) { struct input_dev *input_dev; int i, error; input_dev = input_allocate_device(); if (!input_dev) return -ENOMEM; xpad->dev = input_dev; input_dev->name = xpad->name; input_dev->phys = xpad->phys; usb_to_input_id(xpad->udev, &input_dev->id); input_dev->dev.parent = &xpad->intf->dev; input_set_drvdata(input_dev, xpad); input_dev->open = xpad_open; input_dev->close = xpad_close; __set_bit(EV_KEY, input_dev->evbit); if (!(xpad->mapping & MAP_STICKS_TO_NULL)) { __set_bit(EV_ABS, input_dev->evbit); /* set up axes */ for (i = 0; xpad_abs[i] >= 0; i++) xpad_set_up_abs(input_dev, xpad_abs[i]); } /* set up standard buttons */ for (i = 0; xpad_common_btn[i] >= 0; i++) __set_bit(xpad_common_btn[i], input_dev->keybit); /* set up model-specific ones */ if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W || xpad->xtype == XTYPE_XBOXONE) { for (i = 0; xpad360_btn[i] >= 0; i++) __set_bit(xpad360_btn[i], input_dev->keybit); } else { for (i = 0; xpad_btn[i] >= 0; i++) __set_bit(xpad_btn[i], input_dev->keybit); } if (xpad->mapping & MAP_DPAD_TO_BUTTONS) { for (i = 0; xpad_btn_pad[i] >= 0; i++) __set_bit(xpad_btn_pad[i], input_dev->keybit); } /* * This should be a simple else block. However historically * xbox360w has mapped DPAD to buttons while xbox360 did not. This * made no sense, but now we can not just switch back and have to * support both behaviors. */ if (!(xpad->mapping & MAP_DPAD_TO_BUTTONS) || xpad->xtype == XTYPE_XBOX360W) { for (i = 0; xpad_abs_pad[i] >= 0; i++) xpad_set_up_abs(input_dev, xpad_abs_pad[i]); } if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) { for (i = 0; xpad_btn_triggers[i] >= 0; i++) __set_bit(xpad_btn_triggers[i], input_dev->keybit); } else { for (i = 0; xpad_abs_triggers[i] >= 0; i++) xpad_set_up_abs(input_dev, xpad_abs_triggers[i]); } error = xpad_init_ff(xpad); if (error) goto err_free_input; error = xpad_led_probe(xpad); if (error) goto err_destroy_ff; error = input_register_device(xpad->dev); if (error) goto err_disconnect_led; return 0; err_disconnect_led: xpad_led_disconnect(xpad); err_destroy_ff: input_ff_destroy(input_dev); err_free_input: input_free_device(input_dev); return error; } static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id) { struct usb_device *udev = interface_to_usbdev(intf); struct usb_xpad *xpad; struct usb_endpoint_descriptor *ep_irq_in; int ep_irq_in_idx; int i, error; for (i = 0; xpad_device[i].idVendor; i++) { if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) && (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct)) break; } if (xpad_device[i].xtype == XTYPE_XBOXONE && intf->cur_altsetting->desc.bInterfaceNumber != 0) { /* * The Xbox One controller lists three interfaces all with the * same interface class, subclass and protocol. Differentiate by * interface number. */ return -ENODEV; } xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL); if (!xpad) return -ENOMEM; usb_make_path(udev, xpad->phys, sizeof(xpad->phys)); strlcat(xpad->phys, "/input0", sizeof(xpad->phys)); xpad->idata = usb_alloc_coherent(udev, XPAD_PKT_LEN, GFP_KERNEL, &xpad->idata_dma); if (!xpad->idata) { error = -ENOMEM; goto err_free_mem; } xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL); if (!xpad->irq_in) { error = -ENOMEM; goto err_free_idata; } xpad->udev = udev; xpad->intf = intf; xpad->mapping = xpad_device[i].mapping; xpad->xtype = xpad_device[i].xtype; xpad->name = xpad_device[i].name; if (xpad->xtype == XTYPE_UNKNOWN) { if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) { if (intf->cur_altsetting->desc.bInterfaceProtocol == 129) xpad->xtype = XTYPE_XBOX360W; else xpad->xtype = XTYPE_XBOX360; } else { xpad->xtype = XTYPE_XBOX; } if (dpad_to_buttons) xpad->mapping |= MAP_DPAD_TO_BUTTONS; if (triggers_to_buttons) xpad->mapping |= MAP_TRIGGERS_TO_BUTTONS; if (sticks_to_null) xpad->mapping |= MAP_STICKS_TO_NULL; } error = xpad_init_output(intf, xpad); if (error) goto err_free_in_urb; /* Xbox One controller has in/out endpoints swapped. */ ep_irq_in_idx = xpad->xtype == XTYPE_XBOXONE ? 1 : 0; ep_irq_in = &intf->cur_altsetting->endpoint[ep_irq_in_idx].desc; usb_fill_int_urb(xpad->irq_in, udev, usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress), xpad->idata, XPAD_PKT_LEN, xpad_irq_in, xpad, ep_irq_in->bInterval); xpad->irq_in->transfer_dma = xpad->idata_dma; xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; usb_set_intfdata(intf, xpad); error = xpad_init_input(xpad); if (error) goto err_deinit_output; if (xpad->xtype == XTYPE_XBOX360W) { /* * Submit the int URB immediately rather than waiting for open * because we get status messages from the device whether * or not any controllers are attached. In fact, it's * exactly the message that a controller has arrived that * we're waiting for. */ xpad->irq_in->dev = xpad->udev; error = usb_submit_urb(xpad->irq_in, GFP_KERNEL); if (error) goto err_deinit_input; /* * Send presence packet. * This will force the controller to resend connection packets. * This is useful in the case we activate the module after the * adapter has been plugged in, as it won't automatically * send us info about the controllers. */ error = xpad_inquiry_pad_presence(xpad); if (error) goto err_kill_in_urb; } return 0; err_kill_in_urb: usb_kill_urb(xpad->irq_in); err_deinit_input: xpad_deinit_input(xpad); err_deinit_output: xpad_deinit_output(xpad); err_free_in_urb: usb_free_urb(xpad->irq_in); err_free_idata: usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); err_free_mem: kfree(xpad); return error; } static void xpad_disconnect(struct usb_interface *intf) { struct usb_xpad *xpad = usb_get_intfdata (intf); xpad_deinit_input(xpad); xpad_deinit_output(xpad); if (xpad->xtype == XTYPE_XBOX360W) { usb_kill_urb(xpad->irq_in); } usb_free_urb(xpad->irq_in); usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); kfree(xpad); usb_set_intfdata(intf, NULL); } static struct usb_driver xpad_driver = { .name = "xpad", .probe = xpad_probe, .disconnect = xpad_disconnect, .id_table = xpad_table, }; module_usb_driver(xpad_driver); MODULE_AUTHOR(DRIVER_AUTHOR); MODULE_DESCRIPTION(DRIVER_DESC); MODULE_LICENSE("GPL");