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 { 0x146b, 0x0601, "BigBen Interactive XBOX 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 147 { 0x045e, 0x028e, "Microsoft X-Box 360 pad", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 148 { 0x1bad, 0x0003, "Harmonix Rock Band Drumkit", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX360 }, 149 { 0xffff, 0xffff, "Chinese-made Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 150 { 0x0000, 0x0000, "Generic X-Box pad", MAP_DPAD_UNKNOWN, XTYPE_UNKNOWN } 151 }; 152 153 /* buttons shared with xbox and xbox360 */ 154 static const signed short xpad_common_btn[] = { 155 BTN_A, BTN_B, BTN_X, BTN_Y, /* "analog" buttons */ 156 BTN_START, BTN_BACK, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */ 157 -1 /* terminating entry */ 158 }; 159 160 /* original xbox controllers only */ 161 static const signed short xpad_btn[] = { 162 BTN_C, BTN_Z, /* "analog" buttons */ 163 -1 /* terminating entry */ 164 }; 165 166 /* only used if MAP_DPAD_TO_BUTTONS */ 167 static const signed short xpad_btn_pad[] = { 168 BTN_LEFT, BTN_RIGHT, /* d-pad left, right */ 169 BTN_0, BTN_1, /* d-pad up, down (XXX names??) */ 170 -1 /* terminating entry */ 171 }; 172 173 static const signed short xpad360_btn[] = { /* buttons for x360 controller */ 174 BTN_TL, BTN_TR, /* Button LB/RB */ 175 BTN_MODE, /* The big X button */ 176 -1 177 }; 178 179 static const signed short xpad_abs[] = { 180 ABS_X, ABS_Y, /* left stick */ 181 ABS_RX, ABS_RY, /* right stick */ 182 ABS_Z, ABS_RZ, /* triggers left/right */ 183 -1 /* terminating entry */ 184 }; 185 186 /* only used if MAP_DPAD_TO_AXES */ 187 static const signed short xpad_abs_pad[] = { 188 ABS_HAT0X, ABS_HAT0Y, /* d-pad axes */ 189 -1 /* terminating entry */ 190 }; 191 192 /* Xbox 360 has a vendor-specific class, so we cannot match it with only 193 * USB_INTERFACE_INFO (also specifically refused by USB subsystem), so we 194 * match against vendor id as well. Wired Xbox 360 devices have protocol 1, 195 * wireless controllers have protocol 129. */ 196 #define XPAD_XBOX360_VENDOR_PROTOCOL(vend,pr) \ 197 .match_flags = USB_DEVICE_ID_MATCH_VENDOR | USB_DEVICE_ID_MATCH_INT_INFO, \ 198 .idVendor = (vend), \ 199 .bInterfaceClass = USB_CLASS_VENDOR_SPEC, \ 200 .bInterfaceSubClass = 93, \ 201 .bInterfaceProtocol = (pr) 202 #define XPAD_XBOX360_VENDOR(vend) \ 203 { XPAD_XBOX360_VENDOR_PROTOCOL(vend,1) }, \ 204 { XPAD_XBOX360_VENDOR_PROTOCOL(vend,129) } 205 206 static struct usb_device_id xpad_table [] = { 207 { USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */ 208 XPAD_XBOX360_VENDOR(0x045e), /* Microsoft X-Box 360 controllers */ 209 XPAD_XBOX360_VENDOR(0x046d), /* Logitech X-Box 360 style controllers */ 210 XPAD_XBOX360_VENDOR(0x0738), /* Mad Catz X-Box 360 controllers */ 211 XPAD_XBOX360_VENDOR(0x0e6f), /* 0x0e6f X-Box 360 controllers */ 212 XPAD_XBOX360_VENDOR(0x1430), /* RedOctane X-Box 360 controllers */ 213 XPAD_XBOX360_VENDOR(0x146b), /* BigBen Interactive Controllers */ 214 XPAD_XBOX360_VENDOR(0x1bad), /* Rock Band Drums */ 215 { } 216 }; 217 218 MODULE_DEVICE_TABLE (usb, xpad_table); 219 220 struct usb_xpad { 221 struct input_dev *dev; /* input device interface */ 222 struct usb_device *udev; /* usb device */ 223 224 int pad_present; 225 226 struct urb *irq_in; /* urb for interrupt in report */ 227 unsigned char *idata; /* input data */ 228 dma_addr_t idata_dma; 229 230 struct urb *bulk_out; 231 unsigned char *bdata; 232 233 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 234 struct urb *irq_out; /* urb for interrupt out report */ 235 unsigned char *odata; /* output data */ 236 dma_addr_t odata_dma; 237 struct mutex odata_mutex; 238 #endif 239 240 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 241 struct xpad_led *led; 242 #endif 243 244 char phys[64]; /* physical device path */ 245 246 int dpad_mapping; /* map d-pad to buttons or to axes */ 247 int xtype; /* type of xbox device */ 248 }; 249 250 /* 251 * xpad_process_packet 252 * 253 * Completes a request by converting the data into events for the 254 * input subsystem. 255 * 256 * The used report descriptor was taken from ITO Takayukis website: 257 * http://euc.jp/periphs/xbox-controller.ja.html 258 */ 259 260 static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) 261 { 262 struct input_dev *dev = xpad->dev; 263 264 /* left stick */ 265 input_report_abs(dev, ABS_X, 266 (__s16) le16_to_cpup((__le16 *)(data + 12))); 267 input_report_abs(dev, ABS_Y, 268 ~(__s16) le16_to_cpup((__le16 *)(data + 14))); 269 270 /* right stick */ 271 input_report_abs(dev, ABS_RX, 272 (__s16) le16_to_cpup((__le16 *)(data + 16))); 273 input_report_abs(dev, ABS_RY, 274 ~(__s16) le16_to_cpup((__le16 *)(data + 18))); 275 276 /* triggers left/right */ 277 input_report_abs(dev, ABS_Z, data[10]); 278 input_report_abs(dev, ABS_RZ, data[11]); 279 280 /* digital pad */ 281 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { 282 input_report_abs(dev, ABS_HAT0X, 283 !!(data[2] & 0x08) - !!(data[2] & 0x04)); 284 input_report_abs(dev, ABS_HAT0Y, 285 !!(data[2] & 0x02) - !!(data[2] & 0x01)); 286 } else /* xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS */ { 287 input_report_key(dev, BTN_LEFT, data[2] & 0x04); 288 input_report_key(dev, BTN_RIGHT, data[2] & 0x08); 289 input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ 290 input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ 291 } 292 293 /* start/back buttons and stick press left/right */ 294 input_report_key(dev, BTN_START, data[2] & 0x10); 295 input_report_key(dev, BTN_BACK, data[2] & 0x20); 296 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 297 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 298 299 /* "analog" buttons A, B, X, Y */ 300 input_report_key(dev, BTN_A, data[4]); 301 input_report_key(dev, BTN_B, data[5]); 302 input_report_key(dev, BTN_X, data[6]); 303 input_report_key(dev, BTN_Y, data[7]); 304 305 /* "analog" buttons black, white */ 306 input_report_key(dev, BTN_C, data[8]); 307 input_report_key(dev, BTN_Z, data[9]); 308 309 input_sync(dev); 310 } 311 312 /* 313 * xpad360_process_packet 314 * 315 * Completes a request by converting the data into events for the 316 * input subsystem. It is version for xbox 360 controller 317 * 318 * The used report descriptor was taken from: 319 * http://www.free60.org/wiki/Gamepad 320 */ 321 322 static void xpad360_process_packet(struct usb_xpad *xpad, 323 u16 cmd, unsigned char *data) 324 { 325 struct input_dev *dev = xpad->dev; 326 327 /* digital pad */ 328 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { 329 input_report_abs(dev, ABS_HAT0X, 330 !!(data[2] & 0x08) - !!(data[2] & 0x04)); 331 input_report_abs(dev, ABS_HAT0Y, 332 !!(data[2] & 0x02) - !!(data[2] & 0x01)); 333 } else if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) { 334 /* dpad as buttons (right, left, down, up) */ 335 input_report_key(dev, BTN_LEFT, data[2] & 0x04); 336 input_report_key(dev, BTN_RIGHT, data[2] & 0x08); 337 input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ 338 input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ 339 } 340 341 /* start/back buttons */ 342 input_report_key(dev, BTN_START, data[2] & 0x10); 343 input_report_key(dev, BTN_BACK, data[2] & 0x20); 344 345 /* stick press left/right */ 346 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 347 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 348 349 /* buttons A,B,X,Y,TL,TR and MODE */ 350 input_report_key(dev, BTN_A, data[3] & 0x10); 351 input_report_key(dev, BTN_B, data[3] & 0x20); 352 input_report_key(dev, BTN_X, data[3] & 0x40); 353 input_report_key(dev, BTN_Y, data[3] & 0x80); 354 input_report_key(dev, BTN_TL, data[3] & 0x01); 355 input_report_key(dev, BTN_TR, data[3] & 0x02); 356 input_report_key(dev, BTN_MODE, data[3] & 0x04); 357 358 /* left stick */ 359 input_report_abs(dev, ABS_X, 360 (__s16) le16_to_cpup((__le16 *)(data + 6))); 361 input_report_abs(dev, ABS_Y, 362 ~(__s16) le16_to_cpup((__le16 *)(data + 8))); 363 364 /* right stick */ 365 input_report_abs(dev, ABS_RX, 366 (__s16) le16_to_cpup((__le16 *)(data + 10))); 367 input_report_abs(dev, ABS_RY, 368 ~(__s16) le16_to_cpup((__le16 *)(data + 12))); 369 370 /* triggers left/right */ 371 input_report_abs(dev, ABS_Z, data[4]); 372 input_report_abs(dev, ABS_RZ, data[5]); 373 374 input_sync(dev); 375 } 376 377 /* 378 * xpad360w_process_packet 379 * 380 * Completes a request by converting the data into events for the 381 * input subsystem. It is version for xbox 360 wireless controller. 382 * 383 * Byte.Bit 384 * 00.1 - Status change: The controller or headset has connected/disconnected 385 * Bits 01.7 and 01.6 are valid 386 * 01.7 - Controller present 387 * 01.6 - Headset present 388 * 01.1 - Pad state (Bytes 4+) valid 389 * 390 */ 391 392 static void xpad360w_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) 393 { 394 /* Presence change */ 395 if (data[0] & 0x08) { 396 if (data[1] & 0x80) { 397 xpad->pad_present = 1; 398 usb_submit_urb(xpad->bulk_out, GFP_ATOMIC); 399 } else 400 xpad->pad_present = 0; 401 } 402 403 /* Valid pad data */ 404 if (!(data[1] & 0x1)) 405 return; 406 407 xpad360_process_packet(xpad, cmd, &data[4]); 408 } 409 410 static void xpad_irq_in(struct urb *urb) 411 { 412 struct usb_xpad *xpad = urb->context; 413 int retval, status; 414 415 status = urb->status; 416 417 switch (status) { 418 case 0: 419 /* success */ 420 break; 421 case -ECONNRESET: 422 case -ENOENT: 423 case -ESHUTDOWN: 424 /* this urb is terminated, clean up */ 425 dbg("%s - urb shutting down with status: %d", 426 __func__, status); 427 return; 428 default: 429 dbg("%s - nonzero urb status received: %d", 430 __func__, status); 431 goto exit; 432 } 433 434 switch (xpad->xtype) { 435 case XTYPE_XBOX360: 436 xpad360_process_packet(xpad, 0, xpad->idata); 437 break; 438 case XTYPE_XBOX360W: 439 xpad360w_process_packet(xpad, 0, xpad->idata); 440 break; 441 default: 442 xpad_process_packet(xpad, 0, xpad->idata); 443 } 444 445 exit: 446 retval = usb_submit_urb (urb, GFP_ATOMIC); 447 if (retval) 448 err ("%s - usb_submit_urb failed with result %d", 449 __func__, retval); 450 } 451 452 static void xpad_bulk_out(struct urb *urb) 453 { 454 switch (urb->status) { 455 case 0: 456 /* success */ 457 break; 458 case -ECONNRESET: 459 case -ENOENT: 460 case -ESHUTDOWN: 461 /* this urb is terminated, clean up */ 462 dbg("%s - urb shutting down with status: %d", __func__, urb->status); 463 break; 464 default: 465 dbg("%s - nonzero urb status received: %d", __func__, urb->status); 466 } 467 } 468 469 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 470 static void xpad_irq_out(struct urb *urb) 471 { 472 int retval, status; 473 474 status = urb->status; 475 476 switch (status) { 477 case 0: 478 /* success */ 479 return; 480 481 case -ECONNRESET: 482 case -ENOENT: 483 case -ESHUTDOWN: 484 /* this urb is terminated, clean up */ 485 dbg("%s - urb shutting down with status: %d", __func__, status); 486 return; 487 488 default: 489 dbg("%s - nonzero urb status received: %d", __func__, status); 490 goto exit; 491 } 492 493 exit: 494 retval = usb_submit_urb(urb, GFP_ATOMIC); 495 if (retval) 496 err("%s - usb_submit_urb failed with result %d", 497 __func__, retval); 498 } 499 500 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) 501 { 502 struct usb_endpoint_descriptor *ep_irq_out; 503 int error = -ENOMEM; 504 505 if (xpad->xtype != XTYPE_XBOX360) 506 return 0; 507 508 xpad->odata = usb_buffer_alloc(xpad->udev, XPAD_PKT_LEN, 509 GFP_KERNEL, &xpad->odata_dma); 510 if (!xpad->odata) 511 goto fail1; 512 513 mutex_init(&xpad->odata_mutex); 514 515 xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL); 516 if (!xpad->irq_out) 517 goto fail2; 518 519 ep_irq_out = &intf->cur_altsetting->endpoint[1].desc; 520 usb_fill_int_urb(xpad->irq_out, xpad->udev, 521 usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress), 522 xpad->odata, XPAD_PKT_LEN, 523 xpad_irq_out, xpad, ep_irq_out->bInterval); 524 xpad->irq_out->transfer_dma = xpad->odata_dma; 525 xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 526 527 return 0; 528 529 fail2: usb_buffer_free(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); 530 fail1: return error; 531 } 532 533 static void xpad_stop_output(struct usb_xpad *xpad) 534 { 535 if (xpad->xtype == XTYPE_XBOX360) 536 usb_kill_urb(xpad->irq_out); 537 } 538 539 static void xpad_deinit_output(struct usb_xpad *xpad) 540 { 541 if (xpad->xtype == XTYPE_XBOX360) { 542 usb_free_urb(xpad->irq_out); 543 usb_buffer_free(xpad->udev, XPAD_PKT_LEN, 544 xpad->odata, xpad->odata_dma); 545 } 546 } 547 #else 548 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; } 549 static void xpad_deinit_output(struct usb_xpad *xpad) {} 550 static void xpad_stop_output(struct usb_xpad *xpad) {} 551 #endif 552 553 #ifdef CONFIG_JOYSTICK_XPAD_FF 554 static int xpad_play_effect(struct input_dev *dev, void *data, 555 struct ff_effect *effect) 556 { 557 struct usb_xpad *xpad = input_get_drvdata(dev); 558 559 if (effect->type == FF_RUMBLE) { 560 __u16 strong = effect->u.rumble.strong_magnitude; 561 __u16 weak = effect->u.rumble.weak_magnitude; 562 xpad->odata[0] = 0x00; 563 xpad->odata[1] = 0x08; 564 xpad->odata[2] = 0x00; 565 xpad->odata[3] = strong / 256; 566 xpad->odata[4] = weak / 256; 567 xpad->odata[5] = 0x00; 568 xpad->odata[6] = 0x00; 569 xpad->odata[7] = 0x00; 570 xpad->irq_out->transfer_buffer_length = 8; 571 usb_submit_urb(xpad->irq_out, GFP_KERNEL); 572 } 573 574 return 0; 575 } 576 577 static int xpad_init_ff(struct usb_xpad *xpad) 578 { 579 if (xpad->xtype != XTYPE_XBOX360) 580 return 0; 581 582 input_set_capability(xpad->dev, EV_FF, FF_RUMBLE); 583 584 return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect); 585 } 586 587 #else 588 static int xpad_init_ff(struct usb_xpad *xpad) { return 0; } 589 #endif 590 591 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 592 #include <linux/leds.h> 593 594 struct xpad_led { 595 char name[16]; 596 struct led_classdev led_cdev; 597 struct usb_xpad *xpad; 598 }; 599 600 static void xpad_send_led_command(struct usb_xpad *xpad, int command) 601 { 602 if (command >= 0 && command < 14) { 603 mutex_lock(&xpad->odata_mutex); 604 xpad->odata[0] = 0x01; 605 xpad->odata[1] = 0x03; 606 xpad->odata[2] = command; 607 xpad->irq_out->transfer_buffer_length = 3; 608 usb_submit_urb(xpad->irq_out, GFP_KERNEL); 609 mutex_unlock(&xpad->odata_mutex); 610 } 611 } 612 613 static void xpad_led_set(struct led_classdev *led_cdev, 614 enum led_brightness value) 615 { 616 struct xpad_led *xpad_led = container_of(led_cdev, 617 struct xpad_led, led_cdev); 618 619 xpad_send_led_command(xpad_led->xpad, value); 620 } 621 622 static int xpad_led_probe(struct usb_xpad *xpad) 623 { 624 static atomic_t led_seq = ATOMIC_INIT(0); 625 long led_no; 626 struct xpad_led *led; 627 struct led_classdev *led_cdev; 628 int error; 629 630 if (xpad->xtype != XTYPE_XBOX360) 631 return 0; 632 633 xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL); 634 if (!led) 635 return -ENOMEM; 636 637 led_no = (long)atomic_inc_return(&led_seq) - 1; 638 639 snprintf(led->name, sizeof(led->name), "xpad%ld", led_no); 640 led->xpad = xpad; 641 642 led_cdev = &led->led_cdev; 643 led_cdev->name = led->name; 644 led_cdev->brightness_set = xpad_led_set; 645 646 error = led_classdev_register(&xpad->udev->dev, led_cdev); 647 if (error) { 648 kfree(led); 649 xpad->led = NULL; 650 return error; 651 } 652 653 /* 654 * Light up the segment corresponding to controller number 655 */ 656 xpad_send_led_command(xpad, (led_no % 4) + 2); 657 658 return 0; 659 } 660 661 static void xpad_led_disconnect(struct usb_xpad *xpad) 662 { 663 struct xpad_led *xpad_led = xpad->led; 664 665 if (xpad_led) { 666 led_classdev_unregister(&xpad_led->led_cdev); 667 kfree(xpad_led->name); 668 } 669 } 670 #else 671 static int xpad_led_probe(struct usb_xpad *xpad) { return 0; } 672 static void xpad_led_disconnect(struct usb_xpad *xpad) { } 673 #endif 674 675 676 static int xpad_open(struct input_dev *dev) 677 { 678 struct usb_xpad *xpad = input_get_drvdata(dev); 679 680 /* URB was submitted in probe */ 681 if(xpad->xtype == XTYPE_XBOX360W) 682 return 0; 683 684 xpad->irq_in->dev = xpad->udev; 685 if (usb_submit_urb(xpad->irq_in, GFP_KERNEL)) 686 return -EIO; 687 688 return 0; 689 } 690 691 static void xpad_close(struct input_dev *dev) 692 { 693 struct usb_xpad *xpad = input_get_drvdata(dev); 694 695 if(xpad->xtype != XTYPE_XBOX360W) 696 usb_kill_urb(xpad->irq_in); 697 xpad_stop_output(xpad); 698 } 699 700 static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs) 701 { 702 set_bit(abs, input_dev->absbit); 703 704 switch (abs) { 705 case ABS_X: 706 case ABS_Y: 707 case ABS_RX: 708 case ABS_RY: /* the two sticks */ 709 input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128); 710 break; 711 case ABS_Z: 712 case ABS_RZ: /* the triggers */ 713 input_set_abs_params(input_dev, abs, 0, 255, 0, 0); 714 break; 715 case ABS_HAT0X: 716 case ABS_HAT0Y: /* the d-pad (only if MAP_DPAD_TO_AXES) */ 717 input_set_abs_params(input_dev, abs, -1, 1, 0, 0); 718 break; 719 } 720 } 721 722 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id) 723 { 724 struct usb_device *udev = interface_to_usbdev(intf); 725 struct usb_xpad *xpad; 726 struct input_dev *input_dev; 727 struct usb_endpoint_descriptor *ep_irq_in; 728 int i; 729 int error = -ENOMEM; 730 731 for (i = 0; xpad_device[i].idVendor; i++) { 732 if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) && 733 (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct)) 734 break; 735 } 736 737 xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL); 738 input_dev = input_allocate_device(); 739 if (!xpad || !input_dev) 740 goto fail1; 741 742 xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN, 743 GFP_KERNEL, &xpad->idata_dma); 744 if (!xpad->idata) 745 goto fail1; 746 747 xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL); 748 if (!xpad->irq_in) 749 goto fail2; 750 751 xpad->udev = udev; 752 xpad->dpad_mapping = xpad_device[i].dpad_mapping; 753 xpad->xtype = xpad_device[i].xtype; 754 if (xpad->dpad_mapping == MAP_DPAD_UNKNOWN) 755 xpad->dpad_mapping = !dpad_to_buttons; 756 if (xpad->xtype == XTYPE_UNKNOWN) { 757 if (intf->cur_altsetting->desc.bInterfaceClass == USB_CLASS_VENDOR_SPEC) { 758 if (intf->cur_altsetting->desc.bInterfaceProtocol == 129) 759 xpad->xtype = XTYPE_XBOX360W; 760 else 761 xpad->xtype = XTYPE_XBOX360; 762 } else 763 xpad->xtype = XTYPE_XBOX; 764 } 765 xpad->dev = input_dev; 766 usb_make_path(udev, xpad->phys, sizeof(xpad->phys)); 767 strlcat(xpad->phys, "/input0", sizeof(xpad->phys)); 768 769 input_dev->name = xpad_device[i].name; 770 input_dev->phys = xpad->phys; 771 usb_to_input_id(udev, &input_dev->id); 772 input_dev->dev.parent = &intf->dev; 773 774 input_set_drvdata(input_dev, xpad); 775 776 input_dev->open = xpad_open; 777 input_dev->close = xpad_close; 778 779 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); 780 781 /* set up buttons */ 782 for (i = 0; xpad_common_btn[i] >= 0; i++) 783 set_bit(xpad_common_btn[i], input_dev->keybit); 784 if ((xpad->xtype == XTYPE_XBOX360) || (xpad->xtype == XTYPE_XBOX360W)) 785 for (i = 0; xpad360_btn[i] >= 0; i++) 786 set_bit(xpad360_btn[i], input_dev->keybit); 787 else 788 for (i = 0; xpad_btn[i] >= 0; i++) 789 set_bit(xpad_btn[i], input_dev->keybit); 790 if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) 791 for (i = 0; xpad_btn_pad[i] >= 0; i++) 792 set_bit(xpad_btn_pad[i], input_dev->keybit); 793 794 /* set up axes */ 795 for (i = 0; xpad_abs[i] >= 0; i++) 796 xpad_set_up_abs(input_dev, xpad_abs[i]); 797 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) 798 for (i = 0; xpad_abs_pad[i] >= 0; i++) 799 xpad_set_up_abs(input_dev, xpad_abs_pad[i]); 800 801 error = xpad_init_output(intf, xpad); 802 if (error) 803 goto fail2; 804 805 error = xpad_init_ff(xpad); 806 if (error) 807 goto fail3; 808 809 error = xpad_led_probe(xpad); 810 if (error) 811 goto fail3; 812 813 ep_irq_in = &intf->cur_altsetting->endpoint[0].desc; 814 usb_fill_int_urb(xpad->irq_in, udev, 815 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress), 816 xpad->idata, XPAD_PKT_LEN, xpad_irq_in, 817 xpad, ep_irq_in->bInterval); 818 xpad->irq_in->transfer_dma = xpad->idata_dma; 819 xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 820 821 error = input_register_device(xpad->dev); 822 if (error) 823 goto fail4; 824 825 usb_set_intfdata(intf, xpad); 826 827 /* 828 * Submit the int URB immediatly rather than waiting for open 829 * because we get status messages from the device whether 830 * or not any controllers are attached. In fact, it's 831 * exactly the message that a controller has arrived that 832 * we're waiting for. 833 */ 834 if (xpad->xtype == XTYPE_XBOX360W) { 835 xpad->irq_in->dev = xpad->udev; 836 error = usb_submit_urb(xpad->irq_in, GFP_KERNEL); 837 if (error) 838 goto fail4; 839 840 /* 841 * Setup the message to set the LEDs on the 842 * controller when it shows up 843 */ 844 xpad->bulk_out = usb_alloc_urb(0, GFP_KERNEL); 845 if(!xpad->bulk_out) 846 goto fail5; 847 848 xpad->bdata = kzalloc(XPAD_PKT_LEN, GFP_KERNEL); 849 if(!xpad->bdata) 850 goto fail6; 851 852 xpad->bdata[2] = 0x08; 853 switch (intf->cur_altsetting->desc.bInterfaceNumber) { 854 case 0: 855 xpad->bdata[3] = 0x42; 856 break; 857 case 2: 858 xpad->bdata[3] = 0x43; 859 break; 860 case 4: 861 xpad->bdata[3] = 0x44; 862 break; 863 case 6: 864 xpad->bdata[3] = 0x45; 865 } 866 867 ep_irq_in = &intf->cur_altsetting->endpoint[1].desc; 868 usb_fill_bulk_urb(xpad->bulk_out, udev, 869 usb_sndbulkpipe(udev, ep_irq_in->bEndpointAddress), 870 xpad->bdata, XPAD_PKT_LEN, xpad_bulk_out, xpad); 871 } 872 873 return 0; 874 875 fail6: usb_free_urb(xpad->bulk_out); 876 fail5: usb_kill_urb(xpad->irq_in); 877 fail4: usb_free_urb(xpad->irq_in); 878 fail3: xpad_deinit_output(xpad); 879 fail2: usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); 880 fail1: input_free_device(input_dev); 881 kfree(xpad); 882 return error; 883 884 } 885 886 static void xpad_disconnect(struct usb_interface *intf) 887 { 888 struct usb_xpad *xpad = usb_get_intfdata (intf); 889 890 usb_set_intfdata(intf, NULL); 891 if (xpad) { 892 xpad_led_disconnect(xpad); 893 input_unregister_device(xpad->dev); 894 xpad_deinit_output(xpad); 895 if (xpad->xtype == XTYPE_XBOX360W) { 896 usb_kill_urb(xpad->bulk_out); 897 usb_free_urb(xpad->bulk_out); 898 usb_kill_urb(xpad->irq_in); 899 } 900 usb_free_urb(xpad->irq_in); 901 usb_buffer_free(xpad->udev, XPAD_PKT_LEN, 902 xpad->idata, xpad->idata_dma); 903 kfree(xpad); 904 } 905 } 906 907 static struct usb_driver xpad_driver = { 908 .name = "xpad", 909 .probe = xpad_probe, 910 .disconnect = xpad_disconnect, 911 .id_table = xpad_table, 912 }; 913 914 static int __init usb_xpad_init(void) 915 { 916 int result = usb_register(&xpad_driver); 917 if (result == 0) 918 printk(KERN_INFO KBUILD_MODNAME ": " DRIVER_DESC "\n"); 919 return result; 920 } 921 922 static void __exit usb_xpad_exit(void) 923 { 924 usb_deregister(&xpad_driver); 925 } 926 927 module_init(usb_xpad_init); 928 module_exit(usb_xpad_exit); 929 930 MODULE_AUTHOR(DRIVER_AUTHOR); 931 MODULE_DESCRIPTION(DRIVER_DESC); 932 MODULE_LICENSE("GPL"); 933