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 * 35 * Thanks to: 36 * - ITO Takayuki for providing essential xpad information on his website 37 * - Vojtech Pavlik - iforce driver / input subsystem 38 * - Greg Kroah-Hartman - usb-skeleton driver 39 * - XBOX Linux project - extra USB id's 40 * 41 * TODO: 42 * - fine tune axes (especially trigger axes) 43 * - fix "analog" buttons (reported as digital now) 44 * - get rumble working 45 * - need USB IDs for other dance pads 46 * 47 * History: 48 * 49 * 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller" 50 * 51 * 2002-07-02 - 0.0.2 : basic working version 52 * - all axes and 9 of the 10 buttons work (german InterAct device) 53 * - the black button does not work 54 * 55 * 2002-07-14 - 0.0.3 : rework by Vojtech Pavlik 56 * - indentation fixes 57 * - usb + input init sequence fixes 58 * 59 * 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3 60 * - verified the lack of HID and report descriptors 61 * - verified that ALL buttons WORK 62 * - fixed d-pad to axes mapping 63 * 64 * 2002-07-17 - 0.0.5 : simplified d-pad handling 65 * 66 * 2004-10-02 - 0.0.6 : DDR pad support 67 * - borrowed from the XBOX linux kernel 68 * - USB id's for commonly used dance pads are present 69 * - dance pads will map D-PAD to buttons, not axes 70 * - pass the module paramater 'dpad_to_buttons' to force 71 * the D-PAD to map to buttons if your pad is not detected 72 * 73 * Later changes can be tracked in SCM. 74 */ 75 76 #include <linux/kernel.h> 77 #include <linux/init.h> 78 #include <linux/slab.h> 79 #include <linux/stat.h> 80 #include <linux/module.h> 81 #include <linux/usb/input.h> 82 83 #define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>" 84 #define DRIVER_DESC "X-Box pad driver" 85 86 #define XPAD_PKT_LEN 32 87 88 /* xbox d-pads should map to buttons, as is required for DDR pads 89 but we map them to axes when possible to simplify things */ 90 #define MAP_DPAD_TO_BUTTONS (1 << 0) 91 #define MAP_TRIGGERS_TO_BUTTONS (1 << 1) 92 #define MAP_STICKS_TO_NULL (1 << 2) 93 #define DANCEPAD_MAP_CONFIG (MAP_DPAD_TO_BUTTONS | \ 94 MAP_TRIGGERS_TO_BUTTONS | MAP_STICKS_TO_NULL) 95 96 #define XTYPE_XBOX 0 97 #define XTYPE_XBOX360 1 98 #define XTYPE_XBOX360W 2 99 #define XTYPE_UNKNOWN 3 100 101 static int dpad_to_buttons; 102 module_param(dpad_to_buttons, bool, S_IRUGO); 103 MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads"); 104 105 static int triggers_to_buttons; 106 module_param(triggers_to_buttons, bool, S_IRUGO); 107 MODULE_PARM_DESC(triggers_to_buttons, "Map triggers to buttons rather than axes for unknown pads"); 108 109 static int sticks_to_null; 110 module_param(sticks_to_null, bool, S_IRUGO); 111 MODULE_PARM_DESC(sticks_to_null, "Do not map sticks at all for unknown pads"); 112 113 static const struct xpad_device { 114 u16 idVendor; 115 u16 idProduct; 116 char *name; 117 u8 mapping; 118 u8 xtype; 119 } xpad_device[] = { 120 { 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", 0, XTYPE_XBOX }, 121 { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", 0, XTYPE_XBOX }, 122 { 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", 0, XTYPE_XBOX }, 123 { 0x045e, 0x0287, "Microsoft Xbox Controller S", 0, XTYPE_XBOX }, 124 { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W }, 125 { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", DANCEPAD_MAP_CONFIG, XTYPE_XBOX }, 126 { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", 0, XTYPE_XBOX }, 127 { 0x046d, 0xc242, "Logitech Chillstream Controller", 0, XTYPE_XBOX360 }, 128 { 0x046d, 0xca84, "Logitech Xbox Cordless Controller", 0, XTYPE_XBOX }, 129 { 0x046d, 0xca88, "Logitech Compact Controller for Xbox", 0, XTYPE_XBOX }, 130 { 0x05fd, 0x1007, "Mad Catz Controller (unverified)", 0, XTYPE_XBOX }, 131 { 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", 0, XTYPE_XBOX }, 132 { 0x0738, 0x4516, "Mad Catz Control Pad", 0, XTYPE_XBOX }, 133 { 0x0738, 0x4522, "Mad Catz LumiCON", 0, XTYPE_XBOX }, 134 { 0x0738, 0x4526, "Mad Catz Control Pad Pro", 0, XTYPE_XBOX }, 135 { 0x0738, 0x4536, "Mad Catz MicroCON", 0, XTYPE_XBOX }, 136 { 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 137 { 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", 0, XTYPE_XBOX }, 138 { 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", 0, XTYPE_XBOX360 }, 139 { 0x0738, 0x4738, "Mad Catz Wired Xbox 360 Controller (SFIV)", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, 140 { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 141 { 0x0c12, 0x8802, "Zeroplus Xbox Controller", 0, XTYPE_XBOX }, 142 { 0x0c12, 0x880a, "Pelican Eclipse PL-2023", 0, XTYPE_XBOX }, 143 { 0x0c12, 0x8810, "Zeroplus Xbox Controller", 0, XTYPE_XBOX }, 144 { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", 0, XTYPE_XBOX }, 145 { 0x0e4c, 0x1097, "Radica Gamester Controller", 0, XTYPE_XBOX }, 146 { 0x0e4c, 0x2390, "Radica Games Jtech Controller", 0, XTYPE_XBOX }, 147 { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", 0, XTYPE_XBOX }, 148 { 0x0e6f, 0x0005, "Eclipse wireless Controller", 0, XTYPE_XBOX }, 149 { 0x0e6f, 0x0006, "Edge wireless Controller", 0, XTYPE_XBOX }, 150 { 0x0e6f, 0x0006, "Pelican 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 }, 151 { 0x0e6f, 0x0201, "Pelican PL-3601 'TSZ' Wired Xbox 360 Controller", 0, XTYPE_XBOX360 }, 152 { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", 0, XTYPE_XBOX }, 153 { 0x0f30, 0x0202, "Joytech Advanced Controller", 0, XTYPE_XBOX }, 154 { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", 0, XTYPE_XBOX }, 155 { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", 0, XTYPE_XBOX }, 156 { 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 157 { 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", 0, XTYPE_XBOX360 }, 158 { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 159 { 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", 0, XTYPE_XBOX360 }, 160 { 0x045e, 0x028e, "Microsoft X-Box 360 pad", 0, XTYPE_XBOX360 }, 161 { 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, 162 { 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, 163 { 0x0f0d, 0x000d, "Hori Fighting Stick EX2", MAP_TRIGGERS_TO_BUTTONS, XTYPE_XBOX360 }, 164 { 0xffff, 0xffff, "Chinese-made Xbox Controller", 0, XTYPE_XBOX }, 165 { 0x0000, 0x0000, "Generic X-Box pad", 0, XTYPE_UNKNOWN } 166 }; 167 168 /* buttons shared with xbox and xbox360 */ 169 static const signed short xpad_common_btn[] = { 170 BTN_A, BTN_B, BTN_X, BTN_Y, /* "analog" buttons */ 171 BTN_START, BTN_SELECT, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */ 172 -1 /* terminating entry */ 173 }; 174 175 /* original xbox controllers only */ 176 static const signed short xpad_btn[] = { 177 BTN_C, BTN_Z, /* "analog" buttons */ 178 -1 /* terminating entry */ 179 }; 180 181 /* used when dpad is mapped to buttons */ 182 static const signed short xpad_btn_pad[] = { 183 BTN_TRIGGER_HAPPY1, BTN_TRIGGER_HAPPY2, /* d-pad left, right */ 184 BTN_TRIGGER_HAPPY3, BTN_TRIGGER_HAPPY4, /* d-pad up, down */ 185 -1 /* terminating entry */ 186 }; 187 188 /* used when triggers are mapped to buttons */ 189 static const signed short xpad_btn_triggers[] = { 190 BTN_TL2, BTN_TR2, /* triggers left/right */ 191 -1 192 }; 193 194 195 static const signed short xpad360_btn[] = { /* buttons for x360 controller */ 196 BTN_TL, BTN_TR, /* Button LB/RB */ 197 BTN_MODE, /* The big X button */ 198 -1 199 }; 200 201 static const signed short xpad_abs[] = { 202 ABS_X, ABS_Y, /* left stick */ 203 ABS_RX, ABS_RY, /* right stick */ 204 -1 /* terminating entry */ 205 }; 206 207 /* used when dpad is mapped to axes */ 208 static const signed short xpad_abs_pad[] = { 209 ABS_HAT0X, ABS_HAT0Y, /* d-pad axes */ 210 -1 /* terminating entry */ 211 }; 212 213 /* used when triggers are mapped to axes */ 214 static const signed short xpad_abs_triggers[] = { 215 ABS_Z, ABS_RZ, /* triggers left/right */ 216 -1 217 }; 218 219 /* Xbox 360 has a vendor-specific class, so we cannot match it with only 220 * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we 221 * match against vendor id as well. Wired Xbox 360 devices have protocol 1, 222 * wireless controllers have protocol 129. */ 223 #define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \ 224 .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \ 225 .idVendor = (vend), \ 226 .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \ 227 .bInterfaceSubClass = 93, \ 228 .bInterfaceProtocol = (pr) 229 #define XPAD_XBOX360_VENDOR(vend) \ 230 { XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \ 231 { XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) } 232 233 static struct usb_device_id xpad_table [] = { 234 { USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */ 235 XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */ 236 XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */ 237 XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */ 238 XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */ 239 XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ 240 XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */ 241 XPAD_XBOX360_VENDOR(0x1bad), /* Rock Band Drums */ 242 XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */ 243 { } 244 }; 245 246 MODULE_DEVICE_TABLE (usb, xpad_table); 247 248 struct usb_xpad { 249 struct input_dev *dev; /* input device interface */ 250 struct usb_device *udev; /* usb device */ 251 252 int pad_present; 253 254 struct urb *irq_in; /* urb for interrupt in report */ 255 unsigned char *idata; /* input data */ 256 dma_addr_t idata_dma; 257 258 struct urb *bulk_out; 259 unsigned char *bdata; 260 261 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 262 struct urb *irq_out; /* urb for interrupt out report */ 263 unsigned char *odata; /* output data */ 264 dma_addr_t odata_dma; 265 struct mutex odata_mutex; 266 #endif 267 268 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 269 struct xpad_led *led; 270 #endif 271 272 char phys[64]; /* physical device path */ 273 274 int mapping; /* map d-pad to buttons or to axes */ 275 int xtype; /* type of xbox device */ 276 }; 277 278 /* 279 * xpad_process_packet 280 * 281 * Completes a request by converting the data into events for the 282 * input subsystem. 283 * 284 * The used report descriptor was taken from ITO Takayukis website: 285 * http://euc.jp/periphs/xbox-controller.ja.html 286 */ 287 288 static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) 289 { 290 struct input_dev *dev = xpad->dev; 291 292 if (!(xpad->mapping & MAP_STICKS_TO_NULL)) { 293 /* left stick */ 294 input_report_abs(dev, ABS_X, 295 (__s16) le16_to_cpup((__le16 *)(data + 12))); 296 input_report_abs(dev, ABS_Y, 297 ~(__s16) le16_to_cpup((__le16 *)(data + 14))); 298 299 /* right stick */ 300 input_report_abs(dev, ABS_RX, 301 (__s16) le16_to_cpup((__le16 *)(data + 16))); 302 input_report_abs(dev, ABS_RY, 303 ~(__s16) le16_to_cpup((__le16 *)(data + 18))); 304 } 305 306 /* triggers left/right */ 307 if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) { 308 input_report_key(dev, BTN_TL2, data[10]); 309 input_report_key(dev, BTN_TR2, data[11]); 310 } else { 311 input_report_abs(dev, ABS_Z, data[10]); 312 input_report_abs(dev, ABS_RZ, data[11]); 313 } 314 315 /* digital pad */ 316 if (xpad->mapping & MAP_DPAD_TO_BUTTONS) { 317 /* dpad as buttons (left, right, up, down) */ 318 input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04); 319 input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08); 320 input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01); 321 input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02); 322 } else { 323 input_report_abs(dev, ABS_HAT0X, 324 !!(data[2] & 0x08) - !!(data[2] & 0x04)); 325 input_report_abs(dev, ABS_HAT0Y, 326 !!(data[2] & 0x02) - !!(data[2] & 0x01)); 327 } 328 329 /* start/back buttons and stick press left/right */ 330 input_report_key(dev, BTN_START, data[2] & 0x10); 331 input_report_key(dev, BTN_SELECT, data[2] & 0x20); 332 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 333 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 334 335 /* "analog" buttons A, B, X, Y */ 336 input_report_key(dev, BTN_A, data[4]); 337 input_report_key(dev, BTN_B, data[5]); 338 input_report_key(dev, BTN_X, data[6]); 339 input_report_key(dev, BTN_Y, data[7]); 340 341 /* "analog" buttons black, white */ 342 input_report_key(dev, BTN_C, data[8]); 343 input_report_key(dev, BTN_Z, data[9]); 344 345 input_sync(dev); 346 } 347 348 /* 349 * xpad360_process_packet 350 * 351 * Completes a request by converting the data into events for the 352 * input subsystem. It is version for xbox 360 controller 353 * 354 * The used report descriptor was taken from: 355 * http://www.free60.org/wiki/Gamepad 356 */ 357 358 static void xpad360_process_packet(struct usb_xpad *xpad, 359 u16 cmd, unsigned char *data) 360 { 361 struct input_dev *dev = xpad->dev; 362 363 /* digital pad */ 364 if (xpad->mapping & MAP_DPAD_TO_BUTTONS) { 365 /* dpad as buttons (left, right, up, down) */ 366 input_report_key(dev, BTN_TRIGGER_HAPPY1, data[2] & 0x04); 367 input_report_key(dev, BTN_TRIGGER_HAPPY2, data[2] & 0x08); 368 input_report_key(dev, BTN_TRIGGER_HAPPY3, data[2] & 0x01); 369 input_report_key(dev, BTN_TRIGGER_HAPPY4, data[2] & 0x02); 370 } else { 371 input_report_abs(dev, ABS_HAT0X, 372 !!(data[2] & 0x08) - !!(data[2] & 0x04)); 373 input_report_abs(dev, ABS_HAT0Y, 374 !!(data[2] & 0x02) - !!(data[2] & 0x01)); 375 } 376 377 /* start/back buttons */ 378 input_report_key(dev, BTN_START, data[2] & 0x10); 379 input_report_key(dev, BTN_SELECT, data[2] & 0x20); 380 381 /* stick press left/right */ 382 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 383 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 384 385 /* buttons A,B,X,Y,TL,TR and MODE */ 386 input_report_key(dev, BTN_A, data[3] & 0x10); 387 input_report_key(dev, BTN_B, data[3] & 0x20); 388 input_report_key(dev, BTN_X, data[3] & 0x40); 389 input_report_key(dev, BTN_Y, data[3] & 0x80); 390 input_report_key(dev, BTN_TL, data[3] & 0x01); 391 input_report_key(dev, BTN_TR, data[3] & 0x02); 392 input_report_key(dev, BTN_MODE, data[3] & 0x04); 393 394 if (!(xpad->mapping & MAP_STICKS_TO_NULL)) { 395 /* left stick */ 396 input_report_abs(dev, ABS_X, 397 (__s16) le16_to_cpup((__le16 *)(data + 6))); 398 input_report_abs(dev, ABS_Y, 399 ~(__s16) le16_to_cpup((__le16 *)(data + 8))); 400 401 /* right stick */ 402 input_report_abs(dev, ABS_RX, 403 (__s16) le16_to_cpup((__le16 *)(data + 10))); 404 input_report_abs(dev, ABS_RY, 405 ~(__s16) le16_to_cpup((__le16 *)(data + 12))); 406 } 407 408 /* triggers left/right */ 409 if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) { 410 input_report_key(dev, BTN_TL2, data[4]); 411 input_report_key(dev, BTN_TR2, data[5]); 412 } else { 413 input_report_abs(dev, ABS_Z, data[4]); 414 input_report_abs(dev, ABS_RZ, data[5]); 415 } 416 417 input_sync(dev); 418 } 419 420 /* 421 * xpad360w_process_packet 422 * 423 * Completes a request by converting the data into events for the 424 * input subsystem. It is version for xbox 360 wireless controller. 425 * 426 * Byte.Bit 427 * 00.1 - Status change: The controller or headset has connected/disconnected 428 * Bits 01.7 and 01.6 are valid 429 * 01.7 - Controller present 430 * 01.6 - Headset present 431 * 01.1 - Pad state (Bytes 4+) valid 432 * 433 */ 434 435 static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) 436 { 437 /* Presence change */ 438 if (data[0] & 0x08) { 439 if (data[1] & 0x80) { 440 xpad->pad_present = 1; 441 usb_submit_urb(xpad->bulk_out, GFP_ATOMIC); 442 } else 443 xpad->pad_present = 0; 444 } 445 446 /* Valid pad data */ 447 if (!(data[1] & 0x1)) 448 return; 449 450 xpad360_process_packet(xpad, cmd, &data[4]); 451 } 452 453 static void xpad_irq_in(struct urb *urb) 454 { 455 struct usb_xpad *xpad = urb->context; 456 int retval, status; 457 458 status = urb->status; 459 460 switch (status) { 461 case 0: 462 /* success */ 463 break; 464 case -ECONNRESET: 465 case -ENOENT: 466 case -ESHUTDOWN: 467 /* this urb is terminated, clean up */ 468 dbg("%s - urb shutting down with status: %d", 469 __func__, status); 470 return; 471 default: 472 dbg("%s - nonzero urb status received: %d", 473 __func__, status); 474 goto exit; 475 } 476 477 switch (xpad->xtype) { 478 case XTYPE_XBOX360: 479 xpad360_process_packet(xpad, 0, xpad->idata); 480 break; 481 case XTYPE_XBOX360W: 482 xpad360w_process_packet(xpad, 0, xpad->idata); 483 break; 484 default: 485 xpad_process_packet(xpad, 0, xpad->idata); 486 } 487 488 exit: 489 retval = usb_submit_urb(urb, GFP_ATOMIC); 490 if (retval) 491 err ("%s - usb_submit_urb failed with result %d", 492 __func__, retval); 493 } 494 495 static void xpad_bulk_out(struct urb *urb) 496 { 497 switch (urb->status) { 498 case 0: 499 /* success */ 500 break; 501 case -ECONNRESET: 502 case -ENOENT: 503 case -ESHUTDOWN: 504 /* this urb is terminated, clean up */ 505 dbg("%s - urb shutting down with status: %d", __func__, urb->status); 506 break; 507 default: 508 dbg("%s - nonzero urb status received: %d", __func__, urb->status); 509 } 510 } 511 512 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 513 static void xpad_irq_out(struct urb *urb) 514 { 515 int retval, status; 516 517 status = urb->status; 518 519 switch (status) { 520 case 0: 521 /* success */ 522 return; 523 524 case -ECONNRESET: 525 case -ENOENT: 526 case -ESHUTDOWN: 527 /* this urb is terminated, clean up */ 528 dbg("%s - urb shutting down with status: %d", __func__, status); 529 return; 530 531 default: 532 dbg("%s - nonzero urb status received: %d", __func__, status); 533 goto exit; 534 } 535 536 exit: 537 retval = usb_submit_urb(urb, GFP_ATOMIC); 538 if (retval) 539 err("%s - usb_submit_urb failed with result %d", 540 __func__, retval); 541 } 542 543 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) 544 { 545 struct usb_endpoint_descriptor *ep_irq_out; 546 int error; 547 548 if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX) 549 return 0; 550 551 xpad->odata = usb_alloc_coherent(xpad->udev, XPAD_PKT_LEN, 552 GFP_KERNEL, &xpad->odata_dma); 553 if (!xpad->odata) { 554 error = -ENOMEM; 555 goto fail1; 556 } 557 558 mutex_init(&xpad->odata_mutex); 559 560 xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL); 561 if (!xpad->irq_out) { 562 error = -ENOMEM; 563 goto fail2; 564 } 565 566 ep_irq_out = &intf->cur_altsetting->endpoint[1].desc; 567 usb_fill_int_urb(xpad->irq_out, xpad->udev, 568 usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress), 569 xpad->odata, XPAD_PKT_LEN, 570 xpad_irq_out, xpad, ep_irq_out->bInterval); 571 xpad->irq_out->transfer_dma = xpad->odata_dma; 572 xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 573 574 return 0; 575 576 fail2: usb_free_coherent(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); 577 fail1: return error; 578 } 579 580 static void xpad_stop_output(struct usb_xpad *xpad) 581 { 582 if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX) 583 usb_kill_urb(xpad->irq_out); 584 } 585 586 static void xpad_deinit_output(struct usb_xpad *xpad) 587 { 588 if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX) { 589 usb_free_urb(xpad->irq_out); 590 usb_free_coherent(xpad->udev, XPAD_PKT_LEN, 591 xpad->odata, xpad->odata_dma); 592 } 593 } 594 #else 595 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; } 596 static void xpad_deinit_output(struct usb_xpad *xpad) {} 597 static void xpad_stop_output(struct usb_xpad *xpad) {} 598 #endif 599 600 #ifdef CONFIG_JOYSTICK_XPAD_FF 601 static int xpad_play_effect(struct input_dev *dev, void *data, struct ff_effect *effect) 602 { 603 struct usb_xpad *xpad = input_get_drvdata(dev); 604 605 if (effect->type == FF_RUMBLE) { 606 __u16 strong = effect->u.rumble.strong_magnitude; 607 __u16 weak = effect->u.rumble.weak_magnitude; 608 609 switch (xpad->xtype) { 610 611 case XTYPE_XBOX: 612 xpad->odata[0] = 0x00; 613 xpad->odata[1] = 0x06; 614 xpad->odata[2] = 0x00; 615 xpad->odata[3] = strong / 256; /* left actuator */ 616 xpad->odata[4] = 0x00; 617 xpad->odata[5] = weak / 256; /* right actuator */ 618 xpad->irq_out->transfer_buffer_length = 6; 619 620 return usb_submit_urb(xpad->irq_out, GFP_ATOMIC); 621 622 case XTYPE_XBOX360: 623 xpad->odata[0] = 0x00; 624 xpad->odata[1] = 0x08; 625 xpad->odata[2] = 0x00; 626 xpad->odata[3] = strong / 256; /* left actuator? */ 627 xpad->odata[4] = weak / 256; /* right actuator? */ 628 xpad->odata[5] = 0x00; 629 xpad->odata[6] = 0x00; 630 xpad->odata[7] = 0x00; 631 xpad->irq_out->transfer_buffer_length = 8; 632 633 return usb_submit_urb(xpad->irq_out, GFP_ATOMIC); 634 635 default: 636 dbg("%s - rumble command sent to unsupported xpad type: %d", 637 __func__, xpad->xtype); 638 return -1; 639 } 640 } 641 642 return 0; 643 } 644 645 static int xpad_init_ff(struct usb_xpad *xpad) 646 { 647 if (xpad->xtype != XTYPE_XBOX360 && xpad->xtype != XTYPE_XBOX) 648 return 0; 649 650 input_set_capability(xpad->dev, EV_FF, FF_RUMBLE); 651 652 return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect); 653 } 654 655 #else 656 static int xpad_init_ff(struct usb_xpad *xpad) { return 0; } 657 #endif 658 659 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 660 #include <linux/leds.h> 661 662 struct xpad_led { 663 char name[16]; 664 struct led_classdev led_cdev; 665 struct usb_xpad *xpad; 666 }; 667 668 static void xpad_send_led_command(struct usb_xpad *xpad, int command) 669 { 670 if (command >= 0 && command < 14) { 671 mutex_lock(&xpad->odata_mutex); 672 xpad->odata[0] = 0x01; 673 xpad->odata[1] = 0x03; 674 xpad->odata[2] = command; 675 xpad->irq_out->transfer_buffer_length = 3; 676 usb_submit_urb(xpad->irq_out, GFP_KERNEL); 677 mutex_unlock(&xpad->odata_mutex); 678 } 679 } 680 681 static void xpad_led_set(struct led_classdev *led_cdev, 682 enum led_brightness value) 683 { 684 struct xpad_led *xpad_led = container_of(led_cdev, 685 struct xpad_led, led_cdev); 686 687 xpad_send_led_command(xpad_led->xpad, value); 688 } 689 690 static int xpad_led_probe(struct usb_xpad *xpad) 691 { 692 static atomic_t led_seq = ATOMIC_INIT(0); 693 long led_no; 694 struct xpad_led *led; 695 struct led_classdev *led_cdev; 696 int error; 697 698 if (xpad->xtype != XTYPE_XBOX360) 699 return 0; 700 701 xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL); 702 if (!led) 703 return -ENOMEM; 704 705 led_no = (long)atomic_inc_return(&led_seq) - 1; 706 707 snprintf(led->name, sizeof(led->name), "xpad%ld", led_no); 708 led->xpad = xpad; 709 710 led_cdev = &led->led_cdev; 711 led_cdev->name = led->name; 712 led_cdev->brightness_set = xpad_led_set; 713 714 error = led_classdev_register(&xpad->udev->dev, led_cdev); 715 if (error) { 716 kfree(led); 717 xpad->led = NULL; 718 return error; 719 } 720 721 /* 722 * Light up the segment corresponding to controller number 723 */ 724 xpad_send_led_command(xpad, (led_no % 4) + 2); 725 726 return 0; 727 } 728 729 static void xpad_led_disconnect(struct usb_xpad *xpad) 730 { 731 struct xpad_led *xpad_led = xpad->led; 732 733 if (xpad_led) { 734 led_classdev_unregister(&xpad_led->led_cdev); 735 kfree(xpad_led); 736 } 737 } 738 #else 739 static int xpad_led_probe(struct usb_xpad *xpad) { return 0; } 740 static void xpad_led_disconnect(struct usb_xpad *xpad) { } 741 #endif 742 743 744 static int xpad_open(struct input_dev *dev) 745 { 746 struct usb_xpad *xpad = input_get_drvdata(dev); 747 748 /* URB was submitted in probe */ 749 if(xpad->xtype == XTYPE_XBOX360W) 750 return 0; 751 752 xpad->irq_in->dev = xpad->udev; 753 if (usb_submit_urb(xpad->irq_in, GFP_KERNEL)) 754 return -EIO; 755 756 return 0; 757 } 758 759 static void xpad_close(struct input_dev *dev) 760 { 761 struct usb_xpad *xpad = input_get_drvdata(dev); 762 763 if (xpad->xtype != XTYPE_XBOX360W) 764 usb_kill_urb(xpad->irq_in); 765 766 xpad_stop_output(xpad); 767 } 768 769 static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs) 770 { 771 set_bit(abs, input_dev->absbit); 772 773 switch (abs) { 774 case ABS_X: 775 case ABS_Y: 776 case ABS_RX: 777 case ABS_RY: /* the two sticks */ 778 input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128); 779 break; 780 case ABS_Z: 781 case ABS_RZ: /* the triggers (if mapped to axes) */ 782 input_set_abs_params(input_dev, abs, 0, 255, 0, 0); 783 break; 784 case ABS_HAT0X: 785 case ABS_HAT0Y: /* the d-pad (only if dpad is mapped to axes */ 786 input_set_abs_params(input_dev, abs, -1, 1, 0, 0); 787 break; 788 } 789 } 790 791 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id) 792 { 793 struct usb_device *udev = interface_to_usbdev(intf); 794 struct usb_xpad *xpad; 795 struct input_dev *input_dev; 796 struct usb_endpoint_descriptor *ep_irq_in; 797 int i, error; 798 799 for (i = 0; xpad_device[i].idVendor; i++) { 800 if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) && 801 (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct)) 802 break; 803 } 804 805 xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL); 806 input_dev = input_allocate_device(); 807 if (!xpad || !input_dev) { 808 error = -ENOMEM; 809 goto fail1; 810 } 811 812 xpad->idata = usb_alloc_coherent(udev, XPAD_PKT_LEN, 813 GFP_KERNEL, &xpad->idata_dma); 814 if (!xpad->idata) { 815 error = -ENOMEM; 816 goto fail1; 817 } 818 819 xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL); 820 if (!xpad->irq_in) { 821 error = -ENOMEM; 822 goto fail2; 823 } 824 825 xpad->udev = udev; 826 xpad->mapping = xpad_device[i].mapping; 827 xpad->xtype = xpad_device[i].xtype; 828 829 if (xpad->xtype == XTYPE_UNKNOWN) { 830 if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) { 831 if (intf->cur_altsetting->desc.bInterfaceProtocol == 129) 832 xpad->xtype = XTYPE_XBOX360W; 833 else 834 xpad->xtype = XTYPE_XBOX360; 835 } else 836 xpad->xtype = XTYPE_XBOX; 837 838 if (dpad_to_buttons) 839 xpad->mapping |= MAP_DPAD_TO_BUTTONS; 840 if (triggers_to_buttons) 841 xpad->mapping |= MAP_TRIGGERS_TO_BUTTONS; 842 if (sticks_to_null) 843 xpad->mapping |= MAP_STICKS_TO_NULL; 844 } 845 846 xpad->dev = input_dev; 847 usb_make_path(udev, xpad->phys, sizeof(xpad->phys)); 848 strlcat(xpad->phys, "/input0", sizeof(xpad->phys)); 849 850 input_dev->name = xpad_device[i].name; 851 input_dev->phys = xpad->phys; 852 usb_to_input_id(udev, &input_dev->id); 853 input_dev->dev.parent = &intf->dev; 854 855 input_set_drvdata(input_dev, xpad); 856 857 input_dev->open = xpad_open; 858 input_dev->close = xpad_close; 859 860 input_dev->evbit[0] = BIT_MASK(EV_KEY); 861 862 if (!(xpad->mapping & MAP_STICKS_TO_NULL)) { 863 input_dev->evbit[0] |= BIT_MASK(EV_ABS); 864 /* set up axes */ 865 for (i = 0; xpad_abs[i] >= 0; i++) 866 xpad_set_up_abs(input_dev, xpad_abs[i]); 867 } 868 869 /* set up standard buttons */ 870 for (i = 0; xpad_common_btn[i] >= 0; i++) 871 __set_bit(xpad_common_btn[i], input_dev->keybit); 872 873 /* set up model-specific ones */ 874 if (xpad->xtype == XTYPE_XBOX360 || xpad->xtype == XTYPE_XBOX360W) { 875 for (i = 0; xpad360_btn[i] >= 0; i++) 876 __set_bit(xpad360_btn[i], input_dev->keybit); 877 } else { 878 for (i = 0; xpad_btn[i] >= 0; i++) 879 __set_bit(xpad_btn[i], input_dev->keybit); 880 } 881 882 if (xpad->mapping & MAP_DPAD_TO_BUTTONS) { 883 for (i = 0; xpad_btn_pad[i] >= 0; i++) 884 __set_bit(xpad_btn_pad[i], input_dev->keybit); 885 } else { 886 for (i = 0; xpad_abs_pad[i] >= 0; i++) 887 xpad_set_up_abs(input_dev, xpad_abs_pad[i]); 888 } 889 890 if (xpad->mapping & MAP_TRIGGERS_TO_BUTTONS) { 891 for (i = 0; xpad_btn_triggers[i] >= 0; i++) 892 __set_bit(xpad_btn_triggers[i], input_dev->keybit); 893 } else { 894 for (i = 0; xpad_abs_triggers[i] >= 0; i++) 895 xpad_set_up_abs(input_dev, xpad_abs_triggers[i]); 896 } 897 898 error = xpad_init_output(intf, xpad); 899 if (error) 900 goto fail3; 901 902 error = xpad_init_ff(xpad); 903 if (error) 904 goto fail4; 905 906 error = xpad_led_probe(xpad); 907 if (error) 908 goto fail5; 909 910 ep_irq_in = &intf->cur_altsetting->endpoint[0].desc; 911 usb_fill_int_urb(xpad->irq_in, udev, 912 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress), 913 xpad->idata, XPAD_PKT_LEN, xpad_irq_in, 914 xpad, ep_irq_in->bInterval); 915 xpad->irq_in->transfer_dma = xpad->idata_dma; 916 xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 917 918 error = input_register_device(xpad->dev); 919 if (error) 920 goto fail6; 921 922 usb_set_intfdata(intf, xpad); 923 924 if (xpad->xtype == XTYPE_XBOX360W) { 925 /* 926 * Setup the message to set the LEDs on the 927 * controller when it shows up 928 */ 929 xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL); 930 if (!xpad->bulk_out) { 931 error = -ENOMEM; 932 goto fail7; 933 } 934 935 xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL); 936 if (!xpad->bdata) { 937 error = -ENOMEM; 938 goto fail8; 939 } 940 941 xpad->bdata[2] = 0x08; 942 switch (intf->cur_altsetting->desc.bInterfaceNumber) { 943 case 0: 944 xpad->bdata[3] = 0x42; 945 break; 946 case 2: 947 xpad->bdata[3] = 0x43; 948 break; 949 case 4: 950 xpad->bdata[3] = 0x44; 951 break; 952 case 6: 953 xpad->bdata[3] = 0x45; 954 } 955 956 ep_irq_in = &intf->cur_altsetting->endpoint[1].desc; 957 usb_fill_bulk_urb(xpad->bulk_out, udev, 958 usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress), 959 xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad); 960 961 /* 962 * Submit the int URB immediately rather than waiting for open 963 * because we get status messages from the device whether 964 * or not any controllers are attached. In fact, it's 965 * exactly the message that a controller has arrived that 966 * we're waiting for. 967 */ 968 xpad->irq_in->dev = xpad->udev; 969 error = usb_submit_urb(xpad->irq_in, GFP_KERNEL); 970 if (error) 971 goto fail9; 972 } 973 974 return 0; 975 976 fail9: kfree(xpad->bdata); 977 fail8: usb_free_urb(xpad->bulk_out); 978 fail7: input_unregister_device(input_dev); 979 input_dev = NULL; 980 fail6: xpad_led_disconnect(xpad); 981 fail5: if (input_dev) 982 input_ff_destroy(input_dev); 983 fail4: xpad_deinit_output(xpad); 984 fail3: usb_free_urb(xpad->irq_in); 985 fail2: usb_free_coherent(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); 986 fail1: input_free_device(input_dev); 987 kfree(xpad); 988 return error; 989 990 } 991 992 static void xpad_disconnect(struct usb_interface *intf) 993 { 994 struct usb_xpad *xpad = usb_get_intfdata (intf); 995 996 xpad_led_disconnect(xpad); 997 input_unregister_device(xpad->dev); 998 xpad_deinit_output(xpad); 999 1000 if (xpad->xtype == XTYPE_XBOX360W) { 1001 usb_kill_urb(xpad->bulk_out); 1002 usb_free_urb(xpad->bulk_out); 1003 usb_kill_urb(xpad->irq_in); 1004 } 1005 1006 usb_free_urb(xpad->irq_in); 1007 usb_free_coherent(xpad->udev, XPAD_PKT_LEN, 1008 xpad->idata, xpad->idata_dma); 1009 1010 kfree(xpad->bdata); 1011 kfree(xpad); 1012 1013 usb_set_intfdata(intf, NULL); 1014 } 1015 1016 static struct usb_driver xpad_driver = { 1017 .name = "xpad", 1018 .probe = xpad_probe, 1019 .disconnect = xpad_disconnect, 1020 .id_table = xpad_table, 1021 }; 1022 1023 static int __init usb_xpad_init(void) 1024 { 1025 return usb_register(&xpad_driver); 1026 } 1027 1028 static void __exit usb_xpad_exit(void) 1029 { 1030 usb_deregister(&xpad_driver); 1031 } 1032 1033 module_init(usb_xpad_init); 1034 module_exit(usb_xpad_exit); 1035 1036 MODULE_AUTHOR(DRIVER_AUTHOR); 1037 MODULE_DESCRIPTION(DRIVER_DESC); 1038 MODULE_LICENSE("GPL"); 1039