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 * 13 * This program is free software; you can redistribute it and/or 14 * modify it under the terms of the GNU General Public License as 15 * published by the Free Software Foundation; either version 2 of 16 * the License, or (at your option) any later version. 17 * 18 * This program is distributed in the hope that it will be useful, 19 * but WITHOUT ANY WARRANTY; without even the implied warranty of 20 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 21 * GNU General Public License for more details. 22 * 23 * You should have received a copy of the GNU General Public License 24 * along with this program; if not, write to the Free Software 25 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 26 * 27 * 28 * This driver is based on: 29 * - information from http://euc.jp/periphs/xbox-controller.ja.html 30 * - the iForce driver drivers/char/joystick/iforce.c 31 * - the skeleton-driver drivers/usb/usb-skeleton.c 32 * - Xbox 360 information http://www.free60.org/wiki/Gamepad 33 * 34 * Thanks to: 35 * - ITO Takayuki for providing essential xpad information on his website 36 * - Vojtech Pavlik - iforce driver / input subsystem 37 * - Greg Kroah-Hartman - usb-skeleton driver 38 * - XBOX Linux project - extra USB id's 39 * 40 * TODO: 41 * - fine tune axes (especially trigger axes) 42 * - fix "analog" buttons (reported as digital now) 43 * - get rumble working 44 * - need USB IDs for other dance pads 45 * 46 * History: 47 * 48 * 2002-06-27 - 0.0.1 : first version, just said "XBOX HID controller" 49 * 50 * 2002-07-02 - 0.0.2 : basic working version 51 * - all axes and 9 of the 10 buttons work (german InterAct device) 52 * - the black button does not work 53 * 54 * 2002-07-14 - 0.0.3 : rework by Vojtech Pavlik 55 * - indentation fixes 56 * - usb + input init sequence fixes 57 * 58 * 2002-07-16 - 0.0.4 : minor changes, merge with Vojtech's v0.0.3 59 * - verified the lack of HID and report descriptors 60 * - verified that ALL buttons WORK 61 * - fixed d-pad to axes mapping 62 * 63 * 2002-07-17 - 0.0.5 : simplified d-pad handling 64 * 65 * 2004-10-02 - 0.0.6 : DDR pad support 66 * - borrowed from the XBOX linux kernel 67 * - USB id's for commonly used dance pads are present 68 * - dance pads will map D-PAD to buttons, not axes 69 * - pass the module paramater 'dpad_to_buttons' to force 70 * the D-PAD to map to buttons if your pad is not detected 71 * 72 * Later changes can be tracked in SCM. 73 */ 74 75 #include <linux/kernel.h> 76 #include <linux/init.h> 77 #include <linux/slab.h> 78 #include <linux/stat.h> 79 #include <linux/module.h> 80 #include <linux/usb/input.h> 81 82 #define DRIVER_AUTHOR "Marko Friedemann <mfr@bmx-chemnitz.de>" 83 #define DRIVER_DESC "X-Box pad driver" 84 85 #define XPAD_PKT_LEN 32 86 87 /* xbox d-pads should map to buttons, as is required for DDR pads 88 but we map them to axes when possible to simplify things */ 89 #define MAP_DPAD_TO_BUTTONS 0 90 #define MAP_DPAD_TO_AXES 1 91 #define MAP_DPAD_UNKNOWN 2 92 93 #define XTYPE_XBOX 0 94 #define XTYPE_XBOX360 1 95 #define XTYPE_XBOX360W 2 96 #define XTYPE_UNKNOWN 3 97 98 static int dpad_to_buttons; 99 module_param(dpad_to_buttons, bool, S_IRUGO); 100 MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads"); 101 102 static const struct xpad_device { 103 u16 idVendor; 104 u16 idProduct; 105 char *name; 106 u8 dpad_mapping; 107 u8 xtype; 108 } xpad_device[] = { 109 { 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 110 { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 111 { 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 112 { 0x045e, 0x0287, "Microsoft Xbox Controller S", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 113 { 0x045e, 0x0719, "Xbox 360 Wireless Receiver", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360W }, 114 { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 115 { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 116 { 0x046d, 0xc242, "Logitech Chillstream Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 117 { 0x046d, 0xca84, "Logitech Xbox Cordless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 118 { 0x046d, 0xca88, "Logitech Compact Controller for Xbox", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 119 { 0x05fd, 0x1007, "Mad Catz Controller (unverified)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 120 { 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 121 { 0x0738, 0x4516, "Mad Catz Control Pad", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 122 { 0x0738, 0x4522, "Mad Catz LumiCON", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 123 { 0x0738, 0x4526, "Mad Catz Control Pad Pro", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 124 { 0x0738, 0x4536, "Mad Catz MicroCON", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 125 { 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 126 { 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 127 { 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 128 { 0x0738, 0x4738, "Mad Catz Wired Xbox 360 Controller (SFIV)", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 129 { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 130 { 0x0c12, 0x8802, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 131 { 0x0c12, 0x880a, "Pelican Eclipse PL-2023", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 132 { 0x0c12, 0x8810, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 133 { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 134 { 0x0e4c, 0x1097, "Radica Gamester Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 135 { 0x0e4c, 0x2390, "Radica Games Jtech Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 136 { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 137 { 0x0e6f, 0x0005, "Eclipse wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 138 { 0x0e6f, 0x0006, "Edge wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 139 { 0x0e6f, 0x0006, "Pelican 'TSZ' Wired Xbox 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 140 { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 141 { 0x0f30, 0x0202, "Joytech Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 142 { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 143 { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 144 { 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 145 { 0x1430, 0x4748, "RedOctane Guitar Hero X-plorer", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 146 { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 147 { 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 148 { 0x045e, 0x028e, "Microsoft X-Box 360 pad", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 149 { 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, 150 { 0x0f0d, 0x0016, "Hori Real Arcade Pro.EX", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 151 { 0xffff, 0xffff, "Chinese-made Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 152 { 0x0000, 0x0000, "Generic X-Box pad", MAP_DPAD_UNKNOWN, XTYPE_UNKNOWN } 153 }; 154 155 /* buttons shared with xbox and xbox360 */ 156 static const signed short xpad_common_btn[] = { 157 BTN_A, BTN_B, BTN_X, BTN_Y, /* "analog" buttons */ 158 BTN_START, BTN_BACK, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */ 159 -1 /* terminating entry */ 160 }; 161 162 /* original xbox controllers only */ 163 static const signed short xpad_btn[] = { 164 BTN_C, BTN_Z, /* "analog" buttons */ 165 -1 /* terminating entry */ 166 }; 167 168 /* only used if MAP_DPAD_TO_BUTTONS */ 169 static const signed short xpad_btn_pad[] = { 170 BTN_LEFT, BTN_RIGHT, /* d-pad left, right */ 171 BTN_0, BTN_1, /* d-pad up, down (XXX names??) */ 172 -1 /* terminating entry */ 173 }; 174 175 static const signed short xpad360_btn[] = { /* buttons for x360 controller */ 176 BTN_TL, BTN_TR, /* Button LB/RB */ 177 BTN_MODE, /* The big X button */ 178 -1 179 }; 180 181 static const signed short xpad_abs[] = { 182 ABS_X, ABS_Y, /* left stick */ 183 ABS_RX, ABS_RY, /* right stick */ 184 ABS_Z, ABS_RZ, /* triggers left/right */ 185 -1 /* terminating entry */ 186 }; 187 188 /* only used if MAP_DPAD_TO_AXES */ 189 static const signed short xpad_abs_pad[] = { 190 ABS_HAT0X, ABS_HAT0Y, /* d-pad axes */ 191 -1 /* terminating entry */ 192 }; 193 194 /* Xbox 360 has a vendor-specific class, so we cannot match it with only 195 * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we 196 * match against vendor id as well. Wired Xbox 360 devices have protocol 1, 197 * wireless controllers have protocol 129. */ 198 #define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \ 199 .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \ 200 .idVendor = (vend), \ 201 .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \ 202 .bInterfaceSubClass = 93, \ 203 .bInterfaceProtocol = (pr) 204 #define XPAD_XBOX360_VENDOR(vend) \ 205 { XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \ 206 { XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) } 207 208 static struct usb_device_id xpad_table [] = { 209 { USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */ 210 XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */ 211 XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */ 212 XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */ 213 XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */ 214 XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ 215 XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */ 216 XPAD_XBOX360_VENDOR(0x1bad), /* Rock Band Drums */ 217 XPAD_XBOX360_VENDOR(0x0f0d), /* Hori Controllers */ 218 { } 219 }; 220 221 MODULE_DEVICE_TABLE (usb, xpad_table); 222 223 struct usb_xpad { 224 struct input_dev *dev; /* input device interface */ 225 struct usb_device *udev; /* usb device */ 226 227 int pad_present; 228 229 struct urb *irq_in; /* urb for interrupt in report */ 230 unsigned char *idata; /* input data */ 231 dma_addr_t idata_dma; 232 233 struct urb *bulk_out; 234 unsigned char *bdata; 235 236 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 237 struct urb *irq_out; /* urb for interrupt out report */ 238 unsigned char *odata; /* output data */ 239 dma_addr_t odata_dma; 240 struct mutex odata_mutex; 241 #endif 242 243 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 244 struct xpad_led *led; 245 #endif 246 247 char phys[64]; /* physical device path */ 248 249 int dpad_mapping; /* map d-pad to buttons or to axes */ 250 int xtype; /* type of xbox device */ 251 }; 252 253 /* 254 * xpad_process_packet 255 * 256 * Completes a request by converting the data into events for the 257 * input subsystem. 258 * 259 * The used report descriptor was taken from ITO Takayukis website: 260 * http://euc.jp/periphs/xbox-controller.ja.html 261 */ 262 263 static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) 264 { 265 struct input_dev *dev = xpad->dev; 266 267 /* left stick */ 268 input_report_abs(dev, ABS_X, 269 (__s16) le16_to_cpup((__le16 *)(data + 12))); 270 input_report_abs(dev, ABS_Y, 271 ~(__s16) le16_to_cpup((__le16 *)(data + 14))); 272 273 /* right stick */ 274 input_report_abs(dev, ABS_RX, 275 (__s16) le16_to_cpup((__le16 *)(data + 16))); 276 input_report_abs(dev, ABS_RY, 277 ~(__s16) le16_to_cpup((__le16 *)(data + 18))); 278 279 /* triggers left/right */ 280 input_report_abs(dev, ABS_Z, data[10]); 281 input_report_abs(dev, ABS_RZ, data[11]); 282 283 /* digital pad */ 284 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { 285 input_report_abs(dev, ABS_HAT0X, 286 !!(data[2] & 0x08) - !!(data[2] & 0x04)); 287 input_report_abs(dev, ABS_HAT0Y, 288 !!(data[2] & 0x02) - !!(data[2] & 0x01)); 289 } else /* xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS */ { 290 input_report_key(dev, BTN_LEFT, data[2] & 0x04); 291 input_report_key(dev, BTN_RIGHT, data[2] & 0x08); 292 input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ 293 input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ 294 } 295 296 /* start/back buttons and stick press left/right */ 297 input_report_key(dev, BTN_START, data[2] & 0x10); 298 input_report_key(dev, BTN_BACK, data[2] & 0x20); 299 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 300 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 301 302 /* "analog" buttons A, B, X, Y */ 303 input_report_key(dev, BTN_A, data[4]); 304 input_report_key(dev, BTN_B, data[5]); 305 input_report_key(dev, BTN_X, data[6]); 306 input_report_key(dev, BTN_Y, data[7]); 307 308 /* "analog" buttons black, white */ 309 input_report_key(dev, BTN_C, data[8]); 310 input_report_key(dev, BTN_Z, data[9]); 311 312 input_sync(dev); 313 } 314 315 /* 316 * xpad360_process_packet 317 * 318 * Completes a request by converting the data into events for the 319 * input subsystem. It is version for xbox 360 controller 320 * 321 * The used report descriptor was taken from: 322 * http://www.free60.org/wiki/Gamepad 323 */ 324 325 static void xpad360_process_packet(struct usb_xpad *xpad, 326 u16 cmd, unsigned char *data) 327 { 328 struct input_dev *dev = xpad->dev; 329 330 /* digital pad */ 331 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { 332 input_report_abs(dev, ABS_HAT0X, 333 !!(data[2] & 0x08) - !!(data[2] & 0x04)); 334 input_report_abs(dev, ABS_HAT0Y, 335 !!(data[2] & 0x02) - !!(data[2] & 0x01)); 336 } else if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) { 337 /* dpad as buttons (right, left, down, up) */ 338 input_report_key(dev, BTN_LEFT, data[2] & 0x04); 339 input_report_key(dev, BTN_RIGHT, data[2] & 0x08); 340 input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ 341 input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ 342 } 343 344 /* start/back buttons */ 345 input_report_key(dev, BTN_START, data[2] & 0x10); 346 input_report_key(dev, BTN_BACK, data[2] & 0x20); 347 348 /* stick press left/right */ 349 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 350 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 351 352 /* buttons A,B,X,Y,TL,TR and MODE */ 353 input_report_key(dev, BTN_A, data[3] & 0x10); 354 input_report_key(dev, BTN_B, data[3] & 0x20); 355 input_report_key(dev, BTN_X, data[3] & 0x40); 356 input_report_key(dev, BTN_Y, data[3] & 0x80); 357 input_report_key(dev, BTN_TL, data[3] & 0x01); 358 input_report_key(dev, BTN_TR, data[3] & 0x02); 359 input_report_key(dev, BTN_MODE, data[3] & 0x04); 360 361 /* left stick */ 362 input_report_abs(dev, ABS_X, 363 (__s16) le16_to_cpup((__le16 *)(data + 6))); 364 input_report_abs(dev, ABS_Y, 365 ~(__s16) le16_to_cpup((__le16 *)(data + 8))); 366 367 /* right stick */ 368 input_report_abs(dev, ABS_RX, 369 (__s16) le16_to_cpup((__le16 *)(data + 10))); 370 input_report_abs(dev, ABS_RY, 371 ~(__s16) le16_to_cpup((__le16 *)(data + 12))); 372 373 /* triggers left/right */ 374 input_report_abs(dev, ABS_Z, data[4]); 375 input_report_abs(dev, ABS_RZ, data[5]); 376 377 input_sync(dev); 378 } 379 380 /* 381 * xpad360w_process_packet 382 * 383 * Completes a request by converting the data into events for the 384 * input subsystem. It is version for xbox 360 wireless controller. 385 * 386 * Byte.Bit 387 * 00.1 - Status change: The controller or headset has connected/disconnected 388 * Bits 01.7 and 01.6 are valid 389 * 01.7 - Controller present 390 * 01.6 - Headset present 391 * 01.1 - Pad state (Bytes 4+) valid 392 * 393 */ 394 395 static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) 396 { 397 /* Presence change */ 398 if (data[0] & 0x08) { 399 if (data[1] & 0x80) { 400 xpad->pad_present = 1; 401 usb_submit_urb(xpad->bulk_out, GFP_ATOMIC); 402 } else 403 xpad->pad_present = 0; 404 } 405 406 /* Valid pad data */ 407 if (!(data[1] & 0x1)) 408 return; 409 410 xpad360_process_packet(xpad, cmd, &data[4]); 411 } 412 413 static void xpad_irq_in(struct urb *urb) 414 { 415 struct usb_xpad *xpad = urb->context; 416 int retval, status; 417 418 status = urb->status; 419 420 switch (status) { 421 case 0: 422 /* success */ 423 break; 424 case -ECONNRESET: 425 case -ENOENT: 426 case -ESHUTDOWN: 427 /* this urb is terminated, clean up */ 428 dbg("%s - urb shutting down with status: %d", 429 __func__, status); 430 return; 431 default: 432 dbg("%s - nonzero urb status received: %d", 433 __func__, status); 434 goto exit; 435 } 436 437 switch (xpad->xtype) { 438 case XTYPE_XBOX360: 439 xpad360_process_packet(xpad, 0, xpad->idata); 440 break; 441 case XTYPE_XBOX360W: 442 xpad360w_process_packet(xpad, 0, xpad->idata); 443 break; 444 default: 445 xpad_process_packet(xpad, 0, xpad->idata); 446 } 447 448 exit: 449 retval = usb_submit_urb (urb, GFP_ATOMIC); 450 if (retval) 451 err ("%s - usb_submit_urb failed with result %d", 452 __func__, retval); 453 } 454 455 static void xpad_bulk_out(struct urb *urb) 456 { 457 switch (urb->status) { 458 case 0: 459 /* success */ 460 break; 461 case -ECONNRESET: 462 case -ENOENT: 463 case -ESHUTDOWN: 464 /* this urb is terminated, clean up */ 465 dbg("%s - urb shutting down with status: %d", __func__, urb->status); 466 break; 467 default: 468 dbg("%s - nonzero urb status received: %d", __func__, urb->status); 469 } 470 } 471 472 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 473 static void xpad_irq_out(struct urb *urb) 474 { 475 int retval, status; 476 477 status = urb->status; 478 479 switch (status) { 480 case 0: 481 /* success */ 482 return; 483 484 case -ECONNRESET: 485 case -ENOENT: 486 case -ESHUTDOWN: 487 /* this urb is terminated, clean up */ 488 dbg("%s - urb shutting down with status: %d", __func__, status); 489 return; 490 491 default: 492 dbg("%s - nonzero urb status received: %d", __func__, status); 493 goto exit; 494 } 495 496 exit: 497 retval = usb_submit_urb(urb, GFP_ATOMIC); 498 if (retval) 499 err("%s - usb_submit_urb failed with result %d", 500 __func__, retval); 501 } 502 503 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) 504 { 505 struct usb_endpoint_descriptor *ep_irq_out; 506 int error = -ENOMEM; 507 508 if (xpad->xtype != XTYPE_XBOX360) 509 return 0; 510 511 xpad->odata = usb_buffer_alloc(xpad->udev, XPAD_PKT_LEN, 512 GFP_KERNEL, &xpad->odata_dma); 513 if (!xpad->odata) 514 goto fail1; 515 516 mutex_init(&xpad->odata_mutex); 517 518 xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL); 519 if (!xpad->irq_out) 520 goto fail2; 521 522 ep_irq_out = &intf->cur_altsetting->endpoint[1].desc; 523 usb_fill_int_urb(xpad->irq_out, xpad->udev, 524 usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress), 525 xpad->odata, XPAD_PKT_LEN, 526 xpad_irq_out, xpad, ep_irq_out->bInterval); 527 xpad->irq_out->transfer_dma = xpad->odata_dma; 528 xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 529 530 return 0; 531 532 fail2: usb_buffer_free(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); 533 fail1: return error; 534 } 535 536 static void xpad_stop_output(struct usb_xpad *xpad) 537 { 538 if (xpad->xtype == XTYPE_XBOX360) 539 usb_kill_urb(xpad->irq_out); 540 } 541 542 static void xpad_deinit_output(struct usb_xpad *xpad) 543 { 544 if (xpad->xtype == XTYPE_XBOX360) { 545 usb_free_urb(xpad->irq_out); 546 usb_buffer_free(xpad->udev, XPAD_PKT_LEN, 547 xpad->odata, xpad->odata_dma); 548 } 549 } 550 #else 551 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; } 552 static void xpad_deinit_output(struct usb_xpad *xpad) {} 553 static void xpad_stop_output(struct usb_xpad *xpad) {} 554 #endif 555 556 #ifdef CONFIG_JOYSTICK_XPAD_FF 557 static int xpad_play_effect(struct input_dev *dev, void *data, 558 struct ff_effect *effect) 559 { 560 struct usb_xpad *xpad = input_get_drvdata(dev); 561 562 if (effect->type == FF_RUMBLE) { 563 __u16 strong = effect->u.rumble.strong_magnitude; 564 __u16 weak = effect->u.rumble.weak_magnitude; 565 xpad->odata[0] = 0x00; 566 xpad->odata[1] = 0x08; 567 xpad->odata[2] = 0x00; 568 xpad->odata[3] = strong / 256; 569 xpad->odata[4] = weak / 256; 570 xpad->odata[5] = 0x00; 571 xpad->odata[6] = 0x00; 572 xpad->odata[7] = 0x00; 573 xpad->irq_out->transfer_buffer_length = 8; 574 usb_submit_urb(xpad->irq_out, GFP_KERNEL); 575 } 576 577 return 0; 578 } 579 580 static int xpad_init_ff(struct usb_xpad *xpad) 581 { 582 if (xpad->xtype != XTYPE_XBOX360) 583 return 0; 584 585 input_set_capability(xpad->dev, EV_FF, FF_RUMBLE); 586 587 return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect); 588 } 589 590 #else 591 static int xpad_init_ff(struct usb_xpad *xpad) { return 0; } 592 #endif 593 594 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 595 #include <linux/leds.h> 596 597 struct xpad_led { 598 char name[16]; 599 struct led_classdev led_cdev; 600 struct usb_xpad *xpad; 601 }; 602 603 static void xpad_send_led_command(struct usb_xpad *xpad, int command) 604 { 605 if (command >= 0 && command < 14) { 606 mutex_lock(&xpad->odata_mutex); 607 xpad->odata[0] = 0x01; 608 xpad->odata[1] = 0x03; 609 xpad->odata[2] = command; 610 xpad->irq_out->transfer_buffer_length = 3; 611 usb_submit_urb(xpad->irq_out, GFP_KERNEL); 612 mutex_unlock(&xpad->odata_mutex); 613 } 614 } 615 616 static void xpad_led_set(struct led_classdev *led_cdev, 617 enum led_brightness value) 618 { 619 struct xpad_led *xpad_led = container_of(led_cdev, 620 struct xpad_led, led_cdev); 621 622 xpad_send_led_command(xpad_led->xpad, value); 623 } 624 625 static int xpad_led_probe(struct usb_xpad *xpad) 626 { 627 static atomic_t led_seq = ATOMIC_INIT(0); 628 long led_no; 629 struct xpad_led *led; 630 struct led_classdev *led_cdev; 631 int error; 632 633 if (xpad->xtype != XTYPE_XBOX360) 634 return 0; 635 636 xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL); 637 if (!led) 638 return -ENOMEM; 639 640 led_no = (long)atomic_inc_return(&led_seq) - 1; 641 642 snprintf(led->name, sizeof(led->name), "xpad%ld", led_no); 643 led->xpad = xpad; 644 645 led_cdev = &led->led_cdev; 646 led_cdev->name = led->name; 647 led_cdev->brightness_set = xpad_led_set; 648 649 error = led_classdev_register(&xpad->udev->dev, led_cdev); 650 if (error) { 651 kfree(led); 652 xpad->led = NULL; 653 return error; 654 } 655 656 /* 657 * Light up the segment corresponding to controller number 658 */ 659 xpad_send_led_command(xpad, (led_no % 4) + 2); 660 661 return 0; 662 } 663 664 static void xpad_led_disconnect(struct usb_xpad *xpad) 665 { 666 struct xpad_led *xpad_led = xpad->led; 667 668 if (xpad_led) { 669 led_classdev_unregister(&xpad_led->led_cdev); 670 kfree(xpad_led->name); 671 } 672 } 673 #else 674 static int xpad_led_probe(struct usb_xpad *xpad) { return 0; } 675 static void xpad_led_disconnect(struct usb_xpad *xpad) { } 676 #endif 677 678 679 static int xpad_open(struct input_dev *dev) 680 { 681 struct usb_xpad *xpad = input_get_drvdata(dev); 682 683 /* URB was submitted in probe */ 684 if(xpad->xtype == XTYPE_XBOX360W) 685 return 0; 686 687 xpad->irq_in->dev = xpad->udev; 688 if (usb_submit_urb(xpad->irq_in, GFP_KERNEL)) 689 return -EIO; 690 691 return 0; 692 } 693 694 static void xpad_close(struct input_dev *dev) 695 { 696 struct usb_xpad *xpad = input_get_drvdata(dev); 697 698 if(xpad->xtype != XTYPE_XBOX360W) 699 usb_kill_urb(xpad->irq_in); 700 xpad_stop_output(xpad); 701 } 702 703 static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs) 704 { 705 set_bit(abs, input_dev->absbit); 706 707 switch (abs) { 708 case ABS_X: 709 case ABS_Y: 710 case ABS_RX: 711 case ABS_RY: /* the two sticks */ 712 input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128); 713 break; 714 case ABS_Z: 715 case ABS_RZ: /* the triggers */ 716 input_set_abs_params(input_dev, abs, 0, 255, 0, 0); 717 break; 718 case ABS_HAT0X: 719 case ABS_HAT0Y: /* the d-pad (only if MAP_DPAD_TO_AXES) */ 720 input_set_abs_params(input_dev, abs, -1, 1, 0, 0); 721 break; 722 } 723 } 724 725 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id) 726 { 727 struct usb_device *udev = interface_to_usbdev(intf); 728 struct usb_xpad *xpad; 729 struct input_dev *input_dev; 730 struct usb_endpoint_descriptor *ep_irq_in; 731 int i; 732 int error = -ENOMEM; 733 734 for (i = 0; xpad_device[i].idVendor; i++) { 735 if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) && 736 (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct)) 737 break; 738 } 739 740 xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL); 741 input_dev = input_allocate_device(); 742 if (!xpad || !input_dev) 743 goto fail1; 744 745 xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN, 746 GFP_KERNEL, &xpad->idata_dma); 747 if (!xpad->idata) 748 goto fail1; 749 750 xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL); 751 if (!xpad->irq_in) 752 goto fail2; 753 754 xpad->udev = udev; 755 xpad->dpad_mapping = xpad_device[i].dpad_mapping; 756 xpad->xtype = xpad_device[i].xtype; 757 if (xpad->dpad_mapping == MAP_DPAD_UNKNOWN) 758 xpad->dpad_mapping = !dpad_to_buttons; 759 if (xpad->xtype == XTYPE_UNKNOWN) { 760 if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) { 761 if (intf->cur_altsetting->desc.bInterfaceProtocol == 129) 762 xpad->xtype = XTYPE_XBOX360W; 763 else 764 xpad->xtype = XTYPE_XBOX360; 765 } else 766 xpad->xtype = XTYPE_XBOX; 767 } 768 xpad->dev = input_dev; 769 usb_make_path(udev, xpad->phys, sizeof(xpad->phys)); 770 strlcat(xpad->phys, "/input0", sizeof(xpad->phys)); 771 772 input_dev->name = xpad_device[i].name; 773 input_dev->phys = xpad->phys; 774 usb_to_input_id(udev, &input_dev->id); 775 input_dev->dev.parent = &intf->dev; 776 777 input_set_drvdata(input_dev, xpad); 778 779 input_dev->open = xpad_open; 780 input_dev->close = xpad_close; 781 782 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); 783 784 /* set up buttons */ 785 for (i = 0; xpad_common_btn[i] >= 0; i++) 786 set_bit(xpad_common_btn[i], input_dev->keybit); 787 if ((xpad->xtype == XTYPE_XBOX360) || (xpad->xtype == XTYPE_XBOX360W)) 788 for (i = 0; xpad360_btn[i] >= 0; i++) 789 set_bit(xpad360_btn[i], input_dev->keybit); 790 else 791 for (i = 0; xpad_btn[i] >= 0; i++) 792 set_bit(xpad_btn[i], input_dev->keybit); 793 if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) 794 for (i = 0; xpad_btn_pad[i] >= 0; i++) 795 set_bit(xpad_btn_pad[i], input_dev->keybit); 796 797 /* set up axes */ 798 for (i = 0; xpad_abs[i] >= 0; i++) 799 xpad_set_up_abs(input_dev, xpad_abs[i]); 800 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) 801 for (i = 0; xpad_abs_pad[i] >= 0; i++) 802 xpad_set_up_abs(input_dev, xpad_abs_pad[i]); 803 804 error = xpad_init_output(intf, xpad); 805 if (error) 806 goto fail2; 807 808 error = xpad_init_ff(xpad); 809 if (error) 810 goto fail3; 811 812 error = xpad_led_probe(xpad); 813 if (error) 814 goto fail3; 815 816 ep_irq_in = &intf->cur_altsetting->endpoint[0].desc; 817 usb_fill_int_urb(xpad->irq_in, udev, 818 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress), 819 xpad->idata, XPAD_PKT_LEN, xpad_irq_in, 820 xpad, ep_irq_in->bInterval); 821 xpad->irq_in->transfer_dma = xpad->idata_dma; 822 xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 823 824 error = input_register_device(xpad->dev); 825 if (error) 826 goto fail4; 827 828 usb_set_intfdata(intf, xpad); 829 830 /* 831 * Submit the int URB immediatly rather than waiting for open 832 * because we get status messages from the device whether 833 * or not any controllers are attached. In fact, it's 834 * exactly the message that a controller has arrived that 835 * we're waiting for. 836 */ 837 if (xpad->xtype == XTYPE_XBOX360W) { 838 xpad->irq_in->dev = xpad->udev; 839 error = usb_submit_urb(xpad->irq_in, GFP_KERNEL); 840 if (error) 841 goto fail4; 842 843 /* 844 * Setup the message to set the LEDs on the 845 * controller when it shows up 846 */ 847 xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL); 848 if(!xpad->bulk_out) 849 goto fail5; 850 851 xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL); 852 if(!xpad->bdata) 853 goto fail6; 854 855 xpad->bdata[2] = 0x08; 856 switch (intf->cur_altsetting->desc.bInterfaceNumber) { 857 case 0: 858 xpad->bdata[3] = 0x42; 859 break; 860 case 2: 861 xpad->bdata[3] = 0x43; 862 break; 863 case 4: 864 xpad->bdata[3] = 0x44; 865 break; 866 case 6: 867 xpad->bdata[3] = 0x45; 868 } 869 870 ep_irq_in = &intf->cur_altsetting->endpoint[1].desc; 871 usb_fill_bulk_urb(xpad->bulk_out, udev, 872 usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress), 873 xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad); 874 } 875 876 return 0; 877 878 fail6: usb_free_urb(xpad->bulk_out); 879 fail5: usb_kill_urb(xpad->irq_in); 880 fail4: usb_free_urb(xpad->irq_in); 881 fail3: xpad_deinit_output(xpad); 882 fail2: usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); 883 fail1: input_free_device(input_dev); 884 kfree(xpad); 885 return error; 886 887 } 888 889 static void xpad_disconnect(struct usb_interface *intf) 890 { 891 struct usb_xpad *xpad = usb_get_intfdata (intf); 892 893 usb_set_intfdata(intf, NULL); 894 if (xpad) { 895 xpad_led_disconnect(xpad); 896 input_unregister_device(xpad->dev); 897 xpad_deinit_output(xpad); 898 if (xpad->xtype == XTYPE_XBOX360W) { 899 usb_kill_urb(xpad->bulk_out); 900 usb_free_urb(xpad->bulk_out); 901 usb_kill_urb(xpad->irq_in); 902 } 903 usb_free_urb(xpad->irq_in); 904 usb_buffer_free(xpad->udev, XPAD_PKT_LEN, 905 xpad->idata, xpad->idata_dma); 906 kfree(xpad); 907 } 908 } 909 910 static struct usb_driver xpad_driver = { 911 .name = "xpad", 912 .probe = xpad_probe, 913 .disconnect = xpad_disconnect, 914 .id_table = xpad_table, 915 }; 916 917 static int __init usb_xpad_init(void) 918 { 919 int result = usb_register(&xpad_driver); 920 if (result == 0) 921 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); 922 return result; 923 } 924 925 static void __exit usb_xpad_exit(void) 926 { 927 usb_deregister(&xpad_driver); 928 } 929 930 module_init(usb_xpad_init); 931 module_exit(usb_xpad_exit); 932 933 MODULE_AUTHOR(DRIVER_AUTHOR); 934 MODULE_DESCRIPTION(DRIVER_DESC); 935 MODULE_LICENSE("GPL"); 936