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