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, 0x6040, "Mad Catz Beat Pad Pro", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 124 { 0x0c12, 0x8802, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 125 { 0x0c12, 0x8810, "Zeroplus Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 126 { 0x0c12, 0x9902, "HAMA VibraX - *FAULTY HARDWARE*", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 127 { 0x0e4c, 0x1097, "Radica Gamester Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 128 { 0x0e4c, 0x2390, "Radica Games Jtech Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 129 { 0x0e6f, 0x0003, "Logic3 Freebird wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 130 { 0x0e6f, 0x0005, "Eclipse wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 131 { 0x0e6f, 0x0006, "Edge wireless Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 132 { 0x0e8f, 0x0201, "SmartJoy Frag Xpad/PS2 adaptor", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 133 { 0x0f30, 0x0202, "Joytech Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 134 { 0x0f30, 0x8888, "BigBen XBMiniPad Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 135 { 0x102c, 0xff0c, "Joytech Wireless Advanced Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 136 { 0x12ab, 0x8809, "Xbox DDR dancepad", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 137 { 0x1430, 0x8888, "TX6500+ Dance Pad (first generation)", MAP_DPAD_TO_BUTTONS, XTYPE_XBOX }, 138 { 0x045e, 0x028e, "Microsoft X-Box 360 pad", MAP_DPAD_TO_AXES, XTYPE_XBOX360 }, 139 { 0xffff, 0xffff, "Chinese-made Xbox Controller", MAP_DPAD_TO_AXES, XTYPE_XBOX }, 140 { 0x0000, 0x0000, "Generic X-Box pad", MAP_DPAD_UNKNOWN, XTYPE_XBOX } 141 }; 142 143 static const signed short xpad_btn[] = { 144 BTN_A, BTN_B, BTN_C, BTN_X, BTN_Y, BTN_Z, /* "analog" buttons */ 145 BTN_START, BTN_BACK, BTN_THUMBL, BTN_THUMBR, /* start/back/sticks */ 146 -1 /* terminating entry */ 147 }; 148 149 /* only used if MAP_DPAD_TO_BUTTONS */ 150 static const signed short xpad_btn_pad[] = { 151 BTN_LEFT, BTN_RIGHT, /* d-pad left, right */ 152 BTN_0, BTN_1, /* d-pad up, down (XXX names??) */ 153 -1 /* terminating entry */ 154 }; 155 156 static const signed short xpad360_btn[] = { /* buttons for x360 controller */ 157 BTN_TL, BTN_TR, /* Button LB/RB */ 158 BTN_MODE, /* The big X button */ 159 -1 160 }; 161 162 static const signed short xpad_abs[] = { 163 ABS_X, ABS_Y, /* left stick */ 164 ABS_RX, ABS_RY, /* right stick */ 165 ABS_Z, ABS_RZ, /* triggers left/right */ 166 -1 /* terminating entry */ 167 }; 168 169 /* only used if MAP_DPAD_TO_AXES */ 170 static const signed short xpad_abs_pad[] = { 171 ABS_HAT0X, ABS_HAT0Y, /* d-pad axes */ 172 -1 /* terminating entry */ 173 }; 174 175 /* Xbox 360 has a vendor-specific (sub)class, so we cannot match it with only 176 * USB_INTERFACE_INFO, more to that this device has 4 InterfaceProtocols, 177 * but we need only one of them. */ 178 static struct usb_device_id xpad_table [] = { 179 { USB_INTERFACE_INFO('X', 'B', 0) }, /* X-Box USB-IF not approved class */ 180 { USB_DEVICE_INTERFACE_PROTOCOL(0x045e, 0x028e, 1) }, /* X-Box 360 controller */ 181 { } 182 }; 183 184 MODULE_DEVICE_TABLE (usb, xpad_table); 185 186 struct usb_xpad { 187 struct input_dev *dev; /* input device interface */ 188 struct usb_device *udev; /* usb device */ 189 190 struct urb *irq_in; /* urb for interrupt in report */ 191 unsigned char *idata; /* input data */ 192 dma_addr_t idata_dma; 193 194 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 195 struct urb *irq_out; /* urb for interrupt out report */ 196 unsigned char *odata; /* output data */ 197 dma_addr_t odata_dma; 198 struct mutex odata_mutex; 199 #endif 200 201 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 202 struct xpad_led *led; 203 #endif 204 205 char phys[64]; /* physical device path */ 206 207 int dpad_mapping; /* map d-pad to buttons or to axes */ 208 int xtype; /* type of xbox device */ 209 }; 210 211 /* 212 * xpad_process_packet 213 * 214 * Completes a request by converting the data into events for the 215 * input subsystem. 216 * 217 * The used report descriptor was taken from ITO Takayukis website: 218 * http://euc.jp/periphs/xbox-controller.ja.html 219 */ 220 221 static void xpad_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) 222 { 223 struct input_dev *dev = xpad->dev; 224 225 /* left stick */ 226 input_report_abs(dev, ABS_X, (__s16) (((__s16)data[13] << 8) | data[12])); 227 input_report_abs(dev, ABS_Y, (__s16) (((__s16)data[15] << 8) | data[14])); 228 229 /* right stick */ 230 input_report_abs(dev, ABS_RX, (__s16) (((__s16)data[17] << 8) | data[16])); 231 input_report_abs(dev, ABS_RY, (__s16) (((__s16)data[19] << 8) | data[18])); 232 233 /* triggers left/right */ 234 input_report_abs(dev, ABS_Z, data[10]); 235 input_report_abs(dev, ABS_RZ, data[11]); 236 237 /* digital pad */ 238 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { 239 input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04)); 240 input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x02) - !!(data[2] & 0x01)); 241 } else /* xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS */ { 242 input_report_key(dev, BTN_LEFT, data[2] & 0x04); 243 input_report_key(dev, BTN_RIGHT, data[2] & 0x08); 244 input_report_key(dev, BTN_0, data[2] & 0x01); /* up */ 245 input_report_key(dev, BTN_1, data[2] & 0x02); /* down */ 246 } 247 248 /* start/back buttons and stick press left/right */ 249 input_report_key(dev, BTN_START, data[2] & 0x10); 250 input_report_key(dev, BTN_BACK, data[2] & 0x20); 251 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 252 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 253 254 /* "analog" buttons A, B, X, Y */ 255 input_report_key(dev, BTN_A, data[4]); 256 input_report_key(dev, BTN_B, data[5]); 257 input_report_key(dev, BTN_X, data[6]); 258 input_report_key(dev, BTN_Y, data[7]); 259 260 /* "analog" buttons black, white */ 261 input_report_key(dev, BTN_C, data[8]); 262 input_report_key(dev, BTN_Z, data[9]); 263 264 input_sync(dev); 265 } 266 267 /* 268 * xpad360_process_packet 269 * 270 * Completes a request by converting the data into events for the 271 * input subsystem. It is version for xbox 360 controller 272 * 273 * The used report descriptor was taken from: 274 * http://www.free60.org/wiki/Gamepad 275 */ 276 277 static void xpad360_process_packet(struct usb_xpad *xpad, u16 cmd, unsigned char *data) 278 { 279 struct input_dev *dev = xpad->dev; 280 281 /* digital pad */ 282 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) { 283 input_report_abs(dev, ABS_HAT0X, !!(data[2] & 0x08) - !!(data[2] & 0x04)); 284 input_report_abs(dev, ABS_HAT0Y, !!(data[2] & 0x02) - !!(data[2] & 0x01)); 285 } else if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) { 286 /* dpad as buttons (right, left, down, up) */ 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 */ 294 input_report_key(dev, BTN_START, data[2] & 0x10); 295 input_report_key(dev, BTN_BACK, data[2] & 0x20); 296 297 /* stick press left/right */ 298 input_report_key(dev, BTN_THUMBL, data[2] & 0x40); 299 input_report_key(dev, BTN_THUMBR, data[2] & 0x80); 300 301 /* buttons A,B,X,Y,TL,TR and MODE */ 302 input_report_key(dev, BTN_A, data[3] & 0x10); 303 input_report_key(dev, BTN_B, data[3] & 0x20); 304 input_report_key(dev, BTN_X, data[3] & 0x40); 305 input_report_key(dev, BTN_Y, data[3] & 0x80); 306 input_report_key(dev, BTN_TL, data[3] & 0x01); 307 input_report_key(dev, BTN_TR, data[3] & 0x02); 308 input_report_key(dev, BTN_MODE, data[3] & 0x04); 309 310 /* left stick */ 311 input_report_abs(dev, ABS_X, (__s16) (((__s16)data[7] << 8) | (__s16)data[6])); 312 input_report_abs(dev, ABS_Y, (__s16) (((__s16)data[9] << 8) | (__s16)data[8])); 313 314 /* right stick */ 315 input_report_abs(dev, ABS_RX, (__s16) (((__s16)data[11] << 8) | (__s16)data[10])); 316 input_report_abs(dev, ABS_RY, (__s16) (((__s16)data[13] << 8) | (__s16)data[12])); 317 318 /* triggers left/right */ 319 input_report_abs(dev, ABS_Z, data[4]); 320 input_report_abs(dev, ABS_RZ, data[5]); 321 322 input_sync(dev); 323 } 324 325 static void xpad_irq_in(struct urb *urb) 326 { 327 struct usb_xpad *xpad = urb->context; 328 int retval; 329 330 switch (urb->status) { 331 case 0: 332 /* success */ 333 break; 334 case -ECONNRESET: 335 case -ENOENT: 336 case -ESHUTDOWN: 337 /* this urb is terminated, clean up */ 338 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); 339 return; 340 default: 341 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status); 342 goto exit; 343 } 344 345 if (xpad->xtype == XTYPE_XBOX360) 346 xpad360_process_packet(xpad, 0, xpad->idata); 347 else 348 xpad_process_packet(xpad, 0, xpad->idata); 349 350 exit: 351 retval = usb_submit_urb (urb, GFP_ATOMIC); 352 if (retval) 353 err ("%s - usb_submit_urb failed with result %d", 354 __FUNCTION__, retval); 355 } 356 357 #if defined(CONFIG_JOYSTICK_XPAD_FF) || defined(CONFIG_JOYSTICK_XPAD_LEDS) 358 static void xpad_irq_out(struct urb *urb) 359 { 360 int retval; 361 362 switch (urb->status) { 363 case 0: 364 /* success */ 365 break; 366 case -ECONNRESET: 367 case -ENOENT: 368 case -ESHUTDOWN: 369 /* this urb is terminated, clean up */ 370 dbg("%s - urb shutting down with status: %d", __FUNCTION__, urb->status); 371 return; 372 default: 373 dbg("%s - nonzero urb status received: %d", __FUNCTION__, urb->status); 374 goto exit; 375 } 376 377 exit: 378 retval = usb_submit_urb(urb, GFP_ATOMIC); 379 if (retval) 380 err("%s - usb_submit_urb failed with result %d", 381 __FUNCTION__, retval); 382 } 383 384 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) 385 { 386 struct usb_endpoint_descriptor *ep_irq_out; 387 int error = -ENOMEM; 388 389 if (xpad->xtype != XTYPE_XBOX360) 390 return 0; 391 392 xpad->odata = usb_buffer_alloc(xpad->udev, XPAD_PKT_LEN, 393 GFP_ATOMIC, &xpad->odata_dma ); 394 if (!xpad->odata) 395 goto fail1; 396 397 mutex_init(&xpad->odata_mutex); 398 399 xpad->irq_out = usb_alloc_urb(0, GFP_KERNEL); 400 if (!xpad->irq_out) 401 goto fail2; 402 403 ep_irq_out = &intf->cur_altsetting->endpoint[1].desc; 404 usb_fill_int_urb(xpad->irq_out, xpad->udev, 405 usb_sndintpipe(xpad->udev, ep_irq_out->bEndpointAddress), 406 xpad->odata, XPAD_PKT_LEN, 407 xpad_irq_out, xpad, ep_irq_out->bInterval); 408 xpad->irq_out->transfer_dma = xpad->odata_dma; 409 xpad->irq_out->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 410 411 return 0; 412 413 fail2: usb_buffer_free(xpad->udev, XPAD_PKT_LEN, xpad->odata, xpad->odata_dma); 414 fail1: return error; 415 } 416 417 static void xpad_stop_output(struct usb_xpad *xpad) 418 { 419 if (xpad->xtype == XTYPE_XBOX360) 420 usb_kill_urb(xpad->irq_out); 421 } 422 423 static void xpad_deinit_output(struct usb_xpad *xpad) 424 { 425 if (xpad->xtype == XTYPE_XBOX360) { 426 usb_free_urb(xpad->irq_out); 427 usb_buffer_free(xpad->udev, XPAD_PKT_LEN, 428 xpad->odata, xpad->odata_dma); 429 } 430 } 431 #else 432 static int xpad_init_output(struct usb_interface *intf, struct usb_xpad *xpad) { return 0; } 433 static void xpad_deinit_output(struct usb_xpad *xpad) {} 434 static void xpad_stop_output(struct usb_xpad *xpad) {} 435 #endif 436 437 #ifdef CONFIG_JOYSTICK_XPAD_FF 438 static int xpad_play_effect(struct input_dev *dev, void *data, 439 struct ff_effect *effect) 440 { 441 struct usb_xpad *xpad = input_get_drvdata(dev); 442 443 if (effect->type == FF_RUMBLE) { 444 __u16 strong = effect->u.rumble.strong_magnitude; 445 __u16 weak = effect->u.rumble.weak_magnitude; 446 xpad->odata[0] = 0x00; 447 xpad->odata[1] = 0x08; 448 xpad->odata[2] = 0x00; 449 xpad->odata[3] = strong / 256; 450 xpad->odata[4] = weak / 256; 451 xpad->odata[5] = 0x00; 452 xpad->odata[6] = 0x00; 453 xpad->odata[7] = 0x00; 454 usb_submit_urb(xpad->irq_out, GFP_KERNEL); 455 } 456 457 return 0; 458 } 459 460 static int xpad_init_ff(struct usb_xpad *xpad) 461 { 462 input_set_capability(xpad->dev, EV_FF, FF_RUMBLE); 463 464 return input_ff_create_memless(xpad->dev, NULL, xpad_play_effect); 465 } 466 467 #else 468 static int xpad_init_ff(struct usb_xpad *xpad) { return 0; } 469 #endif 470 471 #if defined(CONFIG_JOYSTICK_XPAD_LEDS) 472 #include <linux/leds.h> 473 474 struct xpad_led { 475 char name[16]; 476 struct led_classdev led_cdev; 477 struct usb_xpad *xpad; 478 }; 479 480 static void xpad_send_led_command(struct usb_xpad *xpad, int command) 481 { 482 if (command >= 0 && command < 14) { 483 mutex_lock(&xpad->odata_mutex); 484 xpad->odata[0] = 0x01; 485 xpad->odata[1] = 0x03; 486 xpad->odata[2] = command; 487 usb_submit_urb(xpad->irq_out, GFP_KERNEL); 488 mutex_unlock(&xpad->odata_mutex); 489 } 490 } 491 492 static void xpad_led_set(struct led_classdev *led_cdev, 493 enum led_brightness value) 494 { 495 struct xpad_led *xpad_led = container_of(led_cdev, 496 struct xpad_led, led_cdev); 497 498 xpad_send_led_command(xpad_led->xpad, value); 499 } 500 501 static int xpad_led_probe(struct usb_xpad *xpad) 502 { 503 static atomic_t led_seq = ATOMIC_INIT(0); 504 long led_no; 505 struct xpad_led *led; 506 struct led_classdev *led_cdev; 507 int error; 508 509 if (xpad->xtype != XTYPE_XBOX360) 510 return 0; 511 512 xpad->led = led = kzalloc(sizeof(struct xpad_led), GFP_KERNEL); 513 if (!led) 514 return -ENOMEM; 515 516 led_no = (long)atomic_inc_return(&led_seq) - 1; 517 518 snprintf(led->name, sizeof(led->name), "xpad%ld", led_no); 519 led->xpad = xpad; 520 521 led_cdev = &led->led_cdev; 522 led_cdev->name = led->name; 523 led_cdev->brightness_set = xpad_led_set; 524 525 error = led_classdev_register(&xpad->udev->dev, led_cdev); 526 if (error) { 527 kfree(led); 528 xpad->led = NULL; 529 return error; 530 } 531 532 /* 533 * Light up the segment corresponding to controller number 534 */ 535 xpad_send_led_command(xpad, (led_no % 4) + 2); 536 537 return 0; 538 } 539 540 static void xpad_led_disconnect(struct usb_xpad *xpad) 541 { 542 struct xpad_led *xpad_led = xpad->led; 543 544 if (xpad_led) { 545 led_classdev_unregister(&xpad_led->led_cdev); 546 kfree(xpad_led->name); 547 } 548 } 549 #else 550 static int xpad_led_probe(struct usb_xpad *xpad) { return 0; } 551 static void xpad_led_disconnect(struct usb_xpad *xpad) { } 552 #endif 553 554 555 static int xpad_open(struct input_dev *dev) 556 { 557 struct usb_xpad *xpad = input_get_drvdata(dev); 558 559 xpad->irq_in->dev = xpad->udev; 560 if (usb_submit_urb(xpad->irq_in, GFP_KERNEL)) 561 return -EIO; 562 563 return 0; 564 } 565 566 static void xpad_close(struct input_dev *dev) 567 { 568 struct usb_xpad *xpad = input_get_drvdata(dev); 569 570 usb_kill_urb(xpad->irq_in); 571 xpad_stop_output(xpad); 572 } 573 574 static void xpad_set_up_abs(struct input_dev *input_dev, signed short abs) 575 { 576 set_bit(abs, input_dev->absbit); 577 578 switch (abs) { 579 case ABS_X: 580 case ABS_Y: 581 case ABS_RX: 582 case ABS_RY: /* the two sticks */ 583 input_set_abs_params(input_dev, abs, -32768, 32767, 16, 128); 584 break; 585 case ABS_Z: 586 case ABS_RZ: /* the triggers */ 587 input_set_abs_params(input_dev, abs, 0, 255, 0, 0); 588 break; 589 case ABS_HAT0X: 590 case ABS_HAT0Y: /* the d-pad (only if MAP_DPAD_TO_AXES) */ 591 input_set_abs_params(input_dev, abs, -1, 1, 0, 0); 592 break; 593 } 594 } 595 596 static int xpad_probe(struct usb_interface *intf, const struct usb_device_id *id) 597 { 598 struct usb_device *udev = interface_to_usbdev (intf); 599 struct usb_xpad *xpad; 600 struct input_dev *input_dev; 601 struct usb_endpoint_descriptor *ep_irq_in; 602 int i; 603 int error = -ENOMEM; 604 605 for (i = 0; xpad_device[i].idVendor; i++) { 606 if ((le16_to_cpu(udev->descriptor.idVendor) == xpad_device[i].idVendor) && 607 (le16_to_cpu(udev->descriptor.idProduct) == xpad_device[i].idProduct)) 608 break; 609 } 610 611 xpad = kzalloc(sizeof(struct usb_xpad), GFP_KERNEL); 612 input_dev = input_allocate_device(); 613 if (!xpad || !input_dev) 614 goto fail1; 615 616 xpad->idata = usb_buffer_alloc(udev, XPAD_PKT_LEN, 617 GFP_ATOMIC, &xpad->idata_dma); 618 if (!xpad->idata) 619 goto fail1; 620 621 xpad->irq_in = usb_alloc_urb(0, GFP_KERNEL); 622 if (!xpad->irq_in) 623 goto fail2; 624 625 xpad->udev = udev; 626 xpad->dpad_mapping = xpad_device[i].dpad_mapping; 627 xpad->xtype = xpad_device[i].xtype; 628 if (xpad->dpad_mapping == MAP_DPAD_UNKNOWN) 629 xpad->dpad_mapping = dpad_to_buttons; 630 xpad->dev = input_dev; 631 usb_make_path(udev, xpad->phys, sizeof(xpad->phys)); 632 strlcat(xpad->phys, "/input0", sizeof(xpad->phys)); 633 634 input_dev->name = xpad_device[i].name; 635 input_dev->phys = xpad->phys; 636 usb_to_input_id(udev, &input_dev->id); 637 input_dev->dev.parent = &intf->dev; 638 639 input_set_drvdata(input_dev, xpad); 640 641 input_dev->open = xpad_open; 642 input_dev->close = xpad_close; 643 644 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS); 645 646 /* set up buttons */ 647 for (i = 0; xpad_btn[i] >= 0; i++) 648 set_bit(xpad_btn[i], input_dev->keybit); 649 if (xpad->xtype == XTYPE_XBOX360) 650 for (i = 0; xpad360_btn[i] >= 0; i++) 651 set_bit(xpad360_btn[i], input_dev->keybit); 652 if (xpad->dpad_mapping == MAP_DPAD_TO_BUTTONS) 653 for (i = 0; xpad_btn_pad[i] >= 0; i++) 654 set_bit(xpad_btn_pad[i], input_dev->keybit); 655 656 /* set up axes */ 657 for (i = 0; xpad_abs[i] >= 0; i++) 658 xpad_set_up_abs(input_dev, xpad_abs[i]); 659 if (xpad->dpad_mapping == MAP_DPAD_TO_AXES) 660 for (i = 0; xpad_abs_pad[i] >= 0; i++) 661 xpad_set_up_abs(input_dev, xpad_abs_pad[i]); 662 663 error = xpad_init_output(intf, xpad); 664 if (error) 665 goto fail2; 666 667 error = xpad_init_ff(xpad); 668 if (error) 669 goto fail3; 670 671 error = xpad_led_probe(xpad); 672 if (error) 673 goto fail3; 674 675 ep_irq_in = &intf->cur_altsetting->endpoint[0].desc; 676 usb_fill_int_urb(xpad->irq_in, udev, 677 usb_rcvintpipe(udev, ep_irq_in->bEndpointAddress), 678 xpad->idata, XPAD_PKT_LEN, xpad_irq_in, 679 xpad, ep_irq_in->bInterval); 680 xpad->irq_in->transfer_dma = xpad->idata_dma; 681 xpad->irq_in->transfer_flags |= URB_NO_TRANSFER_DMA_MAP; 682 683 error = input_register_device(xpad->dev); 684 if (error) 685 goto fail4; 686 687 usb_set_intfdata(intf, xpad); 688 return 0; 689 690 fail4: usb_free_urb(xpad->irq_in); 691 fail3: xpad_deinit_output(xpad); 692 fail2: usb_buffer_free(udev, XPAD_PKT_LEN, xpad->idata, xpad->idata_dma); 693 fail1: input_free_device(input_dev); 694 kfree(xpad); 695 return error; 696 697 } 698 699 static void xpad_disconnect(struct usb_interface *intf) 700 { 701 struct usb_xpad *xpad = usb_get_intfdata (intf); 702 703 usb_set_intfdata(intf, NULL); 704 if (xpad) { 705 xpad_led_disconnect(xpad); 706 input_unregister_device(xpad->dev); 707 xpad_deinit_output(xpad); 708 usb_free_urb(xpad->irq_in); 709 usb_buffer_free(xpad->udev, XPAD_PKT_LEN, 710 xpad->idata, xpad->idata_dma); 711 kfree(xpad); 712 } 713 } 714 715 static struct usb_driver xpad_driver = { 716 .name = "xpad", 717 .probe = xpad_probe, 718 .disconnect = xpad_disconnect, 719 .id_table = xpad_table, 720 }; 721 722 static int __init usb_xpad_init(void) 723 { 724 int result = usb_register(&xpad_driver); 725 if (result == 0) 726 info(DRIVER_DESC ":" DRIVER_VERSION); 727 return result; 728 } 729 730 static void __exit usb_xpad_exit(void) 731 { 732 usb_deregister(&xpad_driver); 733 } 734 735 module_init(usb_xpad_init); 736 module_exit(usb_xpad_exit); 737 738 MODULE_AUTHOR(DRIVER_AUTHOR); 739 MODULE_DESCRIPTION(DRIVER_DESC); 740 MODULE_LICENSE("GPL"); 741