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