1 /* 2 * X-Box gamepad - v0.0.6 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 73 #include <linux/kernel.h> 74 #include <linux/init.h> 75 #include <linux/slab.h> 76 #include <linux/stat.h> 77 #include <linux/module.h> 78 #include <linux/moduleparam.h> 79 #include <linux/usb/input.h> 80 81 #define DRIVER_VERSION "v0.0.6" 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 -1 92 93 #define XTYPE_XBOX 0 94 #define XTYPE_XBOX360 1 95 96 static int dpad_to_buttons; 97 module_param(dpad_to_buttons, bool, S_IRUGO); 98 MODULE_PARM_DESC(dpad_to_buttons, "Map D-PAD to buttons rather than axes for unknown pads"); 99 100 static const struct xpad_device { 101 u16 idVendor; 102 u16 idProduct; 103 char *name; 104 u8 dpad_mapping; 105 u8 xtype; 106 } xpad_device[] = { 107 { 0x045e, 0x0202, "Microsoft X-Box pad v1 (US)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 108 { 0x045e, 0x0289, "Microsoft X-Box pad v2 (US)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 109 { 0x045e, 0x0285, "Microsoft X-Box pad (Japan)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 110 { 0x045e, 0x0287, "Microsoft Xbox Controller S", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 111 { 0x0c12, 0x8809, "RedOctane Xbox Dance Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 112 { 0x044f, 0x0f07, "Thrustmaster, Inc. Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 113 { 0x046d, 0xca84, "Logitech Xbox Cordless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 114 { 0x046d, 0xca88, "Logitech Compact Controller for Xbox", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 115 { 0x05fd, 0x1007, "Mad Catz Controller (unverified)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 116 { 0x05fd, 0x107a, "InterAct 'PowerPad Pro' X-Box pad (Germany)", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 117 { 0x0738, 0x4516, "Mad Catz Control Pad", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 118 { 0x0738, 0x4522, "Mad Catz LumiCON", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 119 { 0x0738, 0x4526, "Mad Catz Control Pad Pro", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 120 { 0x0738, 0x4536, "Mad Catz MicroCON", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 121 { 0x0738, 0x4540, "Mad Catz Beat Pad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 122 { 0x0738, 0x4556, "Mad Catz Lynx Wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 123 { 0x0738, 0x4716, "Mad Catz Wired Xbox 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 124 { 0x0738, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 125 { 0x0c12, 0x8802, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 126 { 0x0c12, 0x8810, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 127 { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 128 { 0x0e4c, 0x1097, "Radica Gamester Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 129 { 0x0e4c, 0x2390, "Radica Games Jtech Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 130 { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 131 { 0x0e6f, 0x0005, "Eclipse wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 132 { 0x0e6f, 0x0006, "Edge wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 133 { 0x0e6f, 0x0006, "Pelican 'TSZ' Wired Xbox 360 Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 134 { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 135 { 0x0f30, 0x0202, "Joytech Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 136 { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 137 { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 138 { 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 139 { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 140 { 0x045e, 0x028e, "Microsoft X-Box 360 pad", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 141 { 0xffff, 0xffff, "Chinese-made Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 142 { 0x0000, 0x0000, "Generic X-Box pad", MAP_DPAD_UNKNOWN, XTYPE_XBOX } 143 }; 144 145 static const signed short xpad_btn[] = { 146 BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, /* "analog" buttons */ 147 BTN_START, BTN_BACK, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */ 148 -1 /* terminating entry */ 149 }; 150 151 /* only used if MAP_DPAD_TO_BUTTONS */ 152 static const signed short xpad_btn_pad[] = { 153 BTN_LEFT, BTN_RIGHT, /* d-pad left, right */ 154 BTN_0, BTN_1, /* d-pad up, down (XXX names??) */ 155 -1 /* terminating entry */ 156 }; 157 158 static const signed short xpad360_btn[] = { /* buttons for x360 controller */ 159 BTN_TL, BTN_TR, /* Button LB/RB */ 160 BTN_MODE, /* The big X button */ 161 -1 162 }; 163 164 static const signed short xpad_abs[] = { 165 ABS_X, ABS_Y, /* left stick */ 166 ABS_RX, ABS_RY, /* right stick */ 167 ABS_Z, ABS_RZ, /* triggers left/right */ 168 -1 /* terminating entry */ 169 }; 170 171 /* only used if MAP_DPAD_TO_AXES */ 172 static const signed short xpad_abs_pad[] = { 173 ABS_HAT0X, ABS_HAT0Y, /* d-pad axes */ 174 -1 /* terminating entry */ 175 }; 176 177 /* Xbox 360 has a vendor-specific (sub)class, so we cannot match it with only 178 * USB_INTERFACE_INFO, more to that this device has 4 InterfaceProtocols, 179 * but we need only one of them. */ 180 static struct usb_device_id xpad_table [] = { 181 { USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */ 182 { USB_DEVICE_INTERFACE_PROTOCOL(0x045e, 0x028e, 1) }, /* X-Box 360 controller */ 183 { } 184 }; 185 186 MODULE_DEVICE_TABLE (usb, xpad_table); 187 188 struct usb_xpad { 189 struct input_dev *dev; /* input device interface */ 190 struct usb_device *udev; /* usb device */ 191 192 struct urb *irq_in; /* urb for interrupt in report */ 193 unsigned char *idata; /* input data */ 194 dma_addr_t idata_dma; 195 196 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 197 struct urb *irq_out; /* urb for interrupt out report */ 198 unsigned char *odata; /* output data */ 199 dma_addr_t odata_dma; 200 struct mutex odata_mutex; 201 #endif 202 203 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 204 struct xpad_led *led; 205 #endif 206 207 char phys[64]; /* physical device path */ 208 209 int dpad_mapping; /* map d-pad to buttons or to axes */ 210 int xtype; /* type of xbox device */ 211 }; 212 213 /* 214 * xpad_process_packet 215 * 216 * Completes a request by converting the data into events for the 217 * input subsystem. 218 * 219 * The used report descriptor was taken from ITO Takayukis website: 220 * http://euc.jp/periphs/xbox-controller.ja.html 221 */ 222 223 static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) 224 { 225 struct input_dev *dev = xpad->dev; 226 227 /* left stick */ 228 input_report_abs(dev, ABS_X, 229 (__s16) le16_to_cpup((__le16 *)(data + 12))); 230 input_report_abs(dev, ABS_Y, 231 (__s16) le16_to_cpup((__le16 *)(data + 14))); 232 233 /* right stick */ 234 input_report_abs(dev, ABS_RX, 235 (__s16) le16_to_cpup((__le16 *)(data + 16))); 236 input_report_abs(dev, ABS_RY, 237 (__s16) le16_to_cpup((__le16 *)(data + 18))); 238 239 /* triggers left/right */ 240 input_report_abs(dev, ABS_Z, data[10]); 241 input_report_abs(dev, ABS_RZ, data[11]); 242 243 /* digital pad */ 244 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { 245 input_report_abs(dev, ABS_HAT0X, 246 !!(data[2] & 0x08) - !!(data[2] & 0x04)); 247 input_report_abs(dev, ABS_HAT0Y, 248 !!(data[2] & 0x02) - !!(data[2] & 0x01)); 249 } else /* xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS */ { 250 input_report_key(dev, BTN_LEFT, data[2] & 0x04); 251 input_report_key(dev, BTN_RIGHT, data[2] & 0x08); 252 input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ 253 input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ 254 } 255 256 /* start/back buttons and stick press left/right */ 257 input_report_key(dev, BTN_START, data[2] & 0x10); 258 input_report_key(dev, BTN_BACK, data[2] & 0x20); 259 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 260 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 261 262 /* "analog" buttons A, B, X, Y */ 263 input_report_key(dev, BTN_A, data[4]); 264 input_report_key(dev, BTN_B, data[5]); 265 input_report_key(dev, BTN_X, data[6]); 266 input_report_key(dev, BTN_Y, data[7]); 267 268 /* "analog" buttons black, white */ 269 input_report_key(dev, BTN_C, data[8]); 270 input_report_key(dev, BTN_Z, data[9]); 271 272 input_sync(dev); 273 } 274 275 /* 276 * xpad360_process_packet 277 * 278 * Completes a request by converting the data into events for the 279 * input subsystem. It is version for xbox 360 controller 280 * 281 * The used report descriptor was taken from: 282 * http://www.free60.org/wiki/Gamepad 283 */ 284 285 static void xpad360_process_packet(struct usb_xpad *xpad, 286 u16 cmd, unsigned char *data) 287 { 288 struct input_dev *dev = xpad->dev; 289 290 /* digital pad */ 291 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { 292 input_report_abs(dev, ABS_HAT0X, 293 !!(data[2] & 0x08) - !!(data[2] & 0x04)); 294 input_report_abs(dev, ABS_HAT0Y, 295 !!(data[2] & 0x02) - !!(data[2] & 0x01)); 296 } else if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) { 297 /* dpad as buttons (right, left, down, up) */ 298 input_report_key(dev, BTN_LEFT, data[2] & 0x04); 299 input_report_key(dev, BTN_RIGHT, data[2] & 0x08); 300 input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ 301 input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ 302 } 303 304 /* start/back buttons */ 305 input_report_key(dev, BTN_START, data[2] & 0x10); 306 input_report_key(dev, BTN_BACK, data[2] & 0x20); 307 308 /* stick press left/right */ 309 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 310 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 311 312 /* buttons A,B,X,Y,TL,TR and MODE */ 313 input_report_key(dev, BTN_A, data[3] & 0x10); 314 input_report_key(dev, BTN_B, data[3] & 0x20); 315 input_report_key(dev, BTN_X, data[3] & 0x40); 316 input_report_key(dev, BTN_Y, data[3] & 0x80); 317 input_report_key(dev, BTN_TL, data[3] & 0x01); 318 input_report_key(dev, BTN_TR, data[3] & 0x02); 319 input_report_key(dev, BTN_MODE, data[3] & 0x04); 320 321 /* left stick */ 322 input_report_abs(dev, ABS_X, 323 (__s16) le16_to_cpup((__le16 *)(data + 6))); 324 input_report_abs(dev, ABS_Y, 325 (__s16) le16_to_cpup((__le16 *)(data + 8))); 326 327 /* right stick */ 328 input_report_abs(dev, ABS_RX, 329 (__s16) le16_to_cpup((__le16 *)(data + 10))); 330 input_report_abs(dev, ABS_RY, 331 (__s16) le16_to_cpup((__le16 *)(data + 12))); 332 333 /* triggers left/right */ 334 input_report_abs(dev, ABS_Z, data[4]); 335 input_report_abs(dev, ABS_RZ, data[5]); 336 337 input_sync(dev); 338 } 339 340 static void xpad_irq_in(struct urb *urb) 341 { 342 struct usb_xpad *xpad = urb->context; 343 int retval; 344 345 switch (urb->status) { 346 case 0: 347 /* success */ 348 break; 349 case -ECONNRESET: 350 case -ENOENT: 351 case -ESHUTDOWN: 352 /* this urb is terminated, clean up */ 353 dbg("%s - urb shutting down with status: %d", 354 __FUNCTION__, urb->status); 355 return; 356 default: 357 dbg("%s - nonzero urb status received: %d", 358 __FUNCTION__, urb->status); 359 goto exit; 360 } 361 362 if (xpad->xtype == XTYPE_XBOX360) 363 xpad360_process_packet(xpad, 0, xpad->idata); 364 else 365 xpad_process_packet(xpad, 0, xpad->idata); 366 367 exit: 368 retval = usb_submit_urb (urb, GFP_ATOMIC); 369 if (retval) 370 err ("%s - usb_submit_urb failed with result %d", 371 __FUNCTION__, retval); 372 } 373 374 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 375 static void xpad_irq_out(struct urb *urb) 376 { 377 int retval; 378 379 switch (urb->status) { 380 case 0: 381 /* success */ 382 break; 383 case -ECONNRESET: 384 case -ENOENT: 385 case -ESHUTDOWN: 386 /* this urb is terminated, clean up */ 387 dbg("%s - urb shutting down with status: %d", 388 __FUNCTION__, urb->status); 389 return; 390 default: 391 dbg("%s - nonzero urb status received: %d", 392 __FUNCTION__, urb->status); 393 goto exit; 394 } 395 396 exit: 397 retval = usb_submit_urb(urb, GFP_ATOMIC); 398 if (retval) 399 err("%s - usb_submit_urb failed with result %d", 400 __FUNCTION__, retval); 401 } 402 403 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) 404 { 405 struct usb_endpoint_descriptor *ep_irq_out; 406 int error = -ENOMEM; 407 408 if (xpad->xtype != XTYPE_XBOX360) 409 return 0; 410 411 xpad->odata = usb_buffer_alloc(xpad->udev, XPAD_PKT_LEN, 412 GFP_ATOMIC, &xpad->odata_dma ); 413 if (!xpad->odata) 414 goto fail1; 415 416 mutex_init(&xpad->odata_mutex); 417 418 xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL); 419 if (!xpad->irq_out) 420 goto fail2; 421 422 ep_irq_out = &intf->cur_altsetting->endpoint[1].desc; 423 usb_fill_int_urb(xpad->irq_out, xpad->udev, 424 usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress), 425 xpad->odata, XPAD_PKT_LEN, 426 xpad_irq_out, xpad, ep_irq_out->bInterval); 427 xpad->irq_out->transfer_dma = xpad->odata_dma; 428 xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 429 430 return 0; 431 432 fail2: usb_buffer_free(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); 433 fail1: return error; 434 } 435 436 static void xpad_stop_output(struct usb_xpad *xpad) 437 { 438 if (xpad->xtype == XTYPE_XBOX360) 439 usb_kill_urb(xpad->irq_out); 440 } 441 442 static void xpad_deinit_output(struct usb_xpad *xpad) 443 { 444 if (xpad->xtype == XTYPE_XBOX360) { 445 usb_free_urb(xpad->irq_out); 446 usb_buffer_free(xpad->udev, XPAD_PKT_LEN, 447 xpad->odata, xpad->odata_dma); 448 } 449 } 450 #else 451 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; } 452 static void xpad_deinit_output(struct usb_xpad *xpad) {} 453 static void xpad_stop_output(struct usb_xpad *xpad) {} 454 #endif 455 456 #ifdef CONFIG_JOYSTICK_XPAD_FF 457 static int xpad_play_effect(struct input_dev *dev, void *data, 458 struct ff_effect *effect) 459 { 460 struct usb_xpad *xpad = input_get_drvdata(dev); 461 462 if (effect->type == FF_RUMBLE) { 463 __u16 strong = effect->u.rumble.strong_magnitude; 464 __u16 weak = effect->u.rumble.weak_magnitude; 465 xpad->odata[0] = 0x00; 466 xpad->odata[1] = 0x08; 467 xpad->odata[2] = 0x00; 468 xpad->odata[3] = strong / 256; 469 xpad->odata[4] = weak / 256; 470 xpad->odata[5] = 0x00; 471 xpad->odata[6] = 0x00; 472 xpad->odata[7] = 0x00; 473 usb_submit_urb(xpad->irq_out, GFP_KERNEL); 474 } 475 476 return 0; 477 } 478 479 static int xpad_init_ff(struct usb_xpad *xpad) 480 { 481 input_set_capability(xpad->dev, EV_FF, FF_RUMBLE); 482 483 return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect); 484 } 485 486 #else 487 static int xpad_init_ff(struct usb_xpad *xpad) { return 0; } 488 #endif 489 490 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 491 #include <linux/leds.h> 492 493 struct xpad_led { 494 char name[16]; 495 struct led_classdev led_cdev; 496 struct usb_xpad *xpad; 497 }; 498 499 static void xpad_send_led_command(struct usb_xpad *xpad, int command) 500 { 501 if (command >= 0 && command < 14) { 502 mutex_lock(&xpad->odata_mutex); 503 xpad->odata[0] = 0x01; 504 xpad->odata[1] = 0x03; 505 xpad->odata[2] = command; 506 usb_submit_urb(xpad->irq_out, GFP_KERNEL); 507 mutex_unlock(&xpad->odata_mutex); 508 } 509 } 510 511 static void xpad_led_set(struct led_classdev *led_cdev, 512 enum led_brightness value) 513 { 514 struct xpad_led *xpad_led = container_of(led_cdev, 515 struct xpad_led, led_cdev); 516 517 xpad_send_led_command(xpad_led->xpad, value); 518 } 519 520 static int xpad_led_probe(struct usb_xpad *xpad) 521 { 522 static atomic_t led_seq = ATOMIC_INIT(0); 523 long led_no; 524 struct xpad_led *led; 525 struct led_classdev *led_cdev; 526 int error; 527 528 if (xpad->xtype != XTYPE_XBOX360) 529 return 0; 530 531 xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL); 532 if (!led) 533 return -ENOMEM; 534 535 led_no = (long)atomic_inc_return(&led_seq) - 1; 536 537 snprintf(led->name, sizeof(led->name), "xpad%ld", led_no); 538 led->xpad = xpad; 539 540 led_cdev = &led->led_cdev; 541 led_cdev->name = led->name; 542 led_cdev->brightness_set = xpad_led_set; 543 544 error = led_classdev_register(&xpad->udev->dev, led_cdev); 545 if (error) { 546 kfree(led); 547 xpad->led = NULL; 548 return error; 549 } 550 551 /* 552 * Light up the segment corresponding to controller number 553 */ 554 xpad_send_led_command(xpad, (led_no % 4) + 2); 555 556 return 0; 557 } 558 559 static void xpad_led_disconnect(struct usb_xpad *xpad) 560 { 561 struct xpad_led *xpad_led = xpad->led; 562 563 if (xpad_led) { 564 led_classdev_unregister(&xpad_led->led_cdev); 565 kfree(xpad_led->name); 566 } 567 } 568 #else 569 static int xpad_led_probe(struct usb_xpad *xpad) { return 0; } 570 static void xpad_led_disconnect(struct usb_xpad *xpad) { } 571 #endif 572 573 574 static int xpad_open(struct input_dev *dev) 575 { 576 struct usb_xpad *xpad = input_get_drvdata(dev); 577 578 xpad->irq_in->dev = xpad->udev; 579 if (usb_submit_urb(xpad->irq_in, GFP_KERNEL)) 580 return -EIO; 581 582 return 0; 583 } 584 585 static void xpad_close(struct input_dev *dev) 586 { 587 struct usb_xpad *xpad = input_get_drvdata(dev); 588 589 usb_kill_urb(xpad->irq_in); 590 xpad_stop_output(xpad); 591 } 592 593 static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs) 594 { 595 set_bit(abs, input_dev->absbit); 596 597 switch (abs) { 598 case ABS_X: 599 case ABS_Y: 600 case ABS_RX: 601 case ABS_RY: /* the two sticks */ 602 input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128); 603 break; 604 case ABS_Z: 605 case ABS_RZ: /* the triggers */ 606 input_set_abs_params(input_dev, abs, 0, 255, 0, 0); 607 break; 608 case ABS_HAT0X: 609 case ABS_HAT0Y: /* the d-pad (only if MAP_DPAD_TO_AXES) */ 610 input_set_abs_params(input_dev, abs, -1, 1, 0, 0); 611 break; 612 } 613 } 614 615 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id) 616 { 617 struct usb_device *udev = interface_to_usbdev(intf); 618 struct usb_xpad *xpad; 619 struct input_dev *input_dev; 620 struct usb_endpoint_descriptor *ep_irq_in; 621 int i; 622 int error = -ENOMEM; 623 624 for (i = 0; xpad_device[i].idVendor; i++) { 625 if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) && 626 (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct)) 627 break; 628 } 629 630 xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL); 631 input_dev = input_allocate_device(); 632 if (!xpad || !input_dev) 633 goto fail1; 634 635 xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN, 636 GFP_ATOMIC, &xpad->idata_dma); 637 if (!xpad->idata) 638 goto fail1; 639 640 xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL); 641 if (!xpad->irq_in) 642 goto fail2; 643 644 xpad->udev = udev; 645 xpad->dpad_mapping = xpad_device[i].dpad_mapping; 646 xpad->xtype = xpad_device[i].xtype; 647 if (xpad->dpad_mapping == MAP_DPAD_UNKNOWN) 648 xpad->dpad_mapping = dpad_to_buttons; 649 xpad->dev = input_dev; 650 usb_make_path(udev, xpad->phys, sizeof(xpad->phys)); 651 strlcat(xpad->phys, "/input0", sizeof(xpad->phys)); 652 653 input_dev->name = xpad_device[i].name; 654 input_dev->phys = xpad->phys; 655 usb_to_input_id(udev, &input_dev->id); 656 input_dev->dev.parent = &intf->dev; 657 658 input_set_drvdata(input_dev, xpad); 659 660 input_dev->open = xpad_open; 661 input_dev->close = xpad_close; 662 663 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS); 664 665 /* set up buttons */ 666 for (i = 0; xpad_btn[i] >= 0; i++) 667 set_bit(xpad_btn[i], input_dev->keybit); 668 if (xpad->xtype == XTYPE_XBOX360) 669 for (i = 0; xpad360_btn[i] >= 0; i++) 670 set_bit(xpad360_btn[i], input_dev->keybit); 671 if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) 672 for (i = 0; xpad_btn_pad[i] >= 0; i++) 673 set_bit(xpad_btn_pad[i], input_dev->keybit); 674 675 /* set up axes */ 676 for (i = 0; xpad_abs[i] >= 0; i++) 677 xpad_set_up_abs(input_dev, xpad_abs[i]); 678 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) 679 for (i = 0; xpad_abs_pad[i] >= 0; i++) 680 xpad_set_up_abs(input_dev, xpad_abs_pad[i]); 681 682 error = xpad_init_output(intf, xpad); 683 if (error) 684 goto fail2; 685 686 error = xpad_init_ff(xpad); 687 if (error) 688 goto fail3; 689 690 error = xpad_led_probe(xpad); 691 if (error) 692 goto fail3; 693 694 ep_irq_in = &intf->cur_altsetting->endpoint[0].desc; 695 usb_fill_int_urb(xpad->irq_in, udev, 696 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress), 697 xpad->idata, XPAD_PKT_LEN, xpad_irq_in, 698 xpad, ep_irq_in->bInterval); 699 xpad->irq_in->transfer_dma = xpad->idata_dma; 700 xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 701 702 error = input_register_device(xpad->dev); 703 if (error) 704 goto fail4; 705 706 usb_set_intfdata(intf, xpad); 707 return 0; 708 709 fail4: usb_free_urb(xpad->irq_in); 710 fail3: xpad_deinit_output(xpad); 711 fail2: usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); 712 fail1: input_free_device(input_dev); 713 kfree(xpad); 714 return error; 715 716 } 717 718 static void xpad_disconnect(struct usb_interface *intf) 719 { 720 struct usb_xpad *xpad = usb_get_intfdata (intf); 721 722 usb_set_intfdata(intf, NULL); 723 if (xpad) { 724 xpad_led_disconnect(xpad); 725 input_unregister_device(xpad->dev); 726 xpad_deinit_output(xpad); 727 usb_free_urb(xpad->irq_in); 728 usb_buffer_free(xpad->udev, XPAD_PKT_LEN, 729 xpad->idata, xpad->idata_dma); 730 kfree(xpad); 731 } 732 } 733 734 static struct usb_driver xpad_driver = { 735 .name = "xpad", 736 .probe = xpad_probe, 737 .disconnect = xpad_disconnect, 738 .id_table = xpad_table, 739 }; 740 741 static int __init usb_xpad_init(void) 742 { 743 int result = usb_register(&xpad_driver); 744 if (result == 0) 745 info(DRIVER_DESC ":" DRIVER_VERSION); 746 return result; 747 } 748 749 static void __exit usb_xpad_exit(void) 750 { 751 usb_deregister(&xpad_driver); 752 } 753 754 module_init(usb_xpad_init); 755 module_exit(usb_xpad_exit); 756 757 MODULE_AUTHOR(DRIVER_AUTHOR); 758 MODULE_DESCRIPTION(DRIVER_DESC); 759 MODULE_LICENSE("GPL"); 760