1 /* 2 * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz> 3 * Copyright (c) 2001-2002, 2007 Johann Deneux <johann.deneux@gmail.com> 4 * 5 * USB/RS232 I-Force joysticks and wheels. 6 */ 7 8 /* 9 * This program is free software; you can redistribute it and/or modify 10 * it under the terms of the GNU General Public License as published by 11 * the Free Software Foundation; either version 2 of the License, or 12 * (at your option) any later version. 13 * 14 * This program is distributed in the hope that it will be useful, 15 * but WITHOUT ANY WARRANTY; without even the implied warranty of 16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 * GNU General Public License for more details. 18 * 19 * You should have received a copy of the GNU General Public License 20 * along with this program; if not, write to the Free Software 21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 22 * 23 * Should you need to contact me, the author, you can do so either by 24 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail: 25 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic 26 */ 27 28 #include "iforce.h" 29 30 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>"); 31 MODULE_DESCRIPTION("USB/RS232 I-Force joysticks and wheels driver"); 32 MODULE_LICENSE("GPL"); 33 34 static signed short btn_joystick[] = 35 { BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE, 36 BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 }; 37 38 static signed short btn_avb_pegasus[] = 39 { BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE, 40 BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 }; 41 42 static signed short btn_wheel[] = 43 { BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE, 44 BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 }; 45 46 static signed short btn_avb_tw[] = 47 { BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE, 48 BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 }; 49 50 static signed short btn_avb_wheel[] = 51 { BTN_GEAR_DOWN, BTN_GEAR_UP, BTN_BASE, BTN_BASE2, BTN_BASE3, 52 BTN_BASE4, BTN_BASE5, BTN_BASE6, -1 }; 53 54 static signed short abs_joystick[] = 55 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 }; 56 57 static signed short abs_joystick_rudder[] = 58 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y, -1 }; 59 60 static signed short abs_avb_pegasus[] = 61 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y, 62 ABS_HAT1X, ABS_HAT1Y, -1 }; 63 64 static signed short abs_wheel[] = 65 { ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, -1 }; 66 67 static signed short ff_iforce[] = 68 { FF_PERIODIC, FF_CONSTANT, FF_SPRING, FF_DAMPER, 69 FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP, FF_SAW_DOWN, FF_GAIN, 70 FF_AUTOCENTER, -1 }; 71 72 static struct iforce_device iforce_device[] = { 73 { 0x044f, 0xa01c, "Thrustmaster Motor Sport GT", btn_wheel, abs_wheel, ff_iforce }, 74 { 0x046d, 0xc281, "Logitech WingMan Force", btn_joystick, abs_joystick, ff_iforce }, 75 { 0x046d, 0xc291, "Logitech WingMan Formula Force", btn_wheel, abs_wheel, ff_iforce }, 76 { 0x05ef, 0x020a, "AVB Top Shot Pegasus", btn_avb_pegasus, abs_avb_pegasus, ff_iforce }, 77 { 0x05ef, 0x8884, "AVB Mag Turbo Force", btn_avb_wheel, abs_wheel, ff_iforce }, 78 { 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel", btn_avb_tw, abs_wheel, ff_iforce }, //? 79 { 0x061c, 0xc0a4, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, //? 80 { 0x061c, 0xc084, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, 81 { 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback", btn_wheel, abs_wheel, ff_iforce }, //? 82 { 0x06f8, 0x0001, "Guillemot Jet Leader Force Feedback", btn_joystick, abs_joystick_rudder, ff_iforce }, 83 { 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //? 84 { 0x06f8, 0xa302, "Guillemot Jet Leader 3D", btn_joystick, abs_joystick, ff_iforce }, //? 85 { 0x06d6, 0x29bc, "Trust Force Feedback Race Master", btn_wheel, abs_wheel, ff_iforce }, 86 { 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]", btn_joystick, abs_joystick, ff_iforce } 87 }; 88 89 static int iforce_playback(struct input_dev *dev, int effect_id, int value) 90 { 91 struct iforce *iforce = input_get_drvdata(dev); 92 struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id]; 93 94 if (value > 0) 95 set_bit(FF_CORE_SHOULD_PLAY, core_effect->flags); 96 else 97 clear_bit(FF_CORE_SHOULD_PLAY, core_effect->flags); 98 99 iforce_control_playback(iforce, effect_id, value); 100 return 0; 101 } 102 103 static void iforce_set_gain(struct input_dev *dev, u16 gain) 104 { 105 struct iforce *iforce = input_get_drvdata(dev); 106 unsigned char data[3]; 107 108 data[0] = gain >> 9; 109 iforce_send_packet(iforce, FF_CMD_GAIN, data); 110 } 111 112 static void iforce_set_autocenter(struct input_dev *dev, u16 magnitude) 113 { 114 struct iforce *iforce = input_get_drvdata(dev); 115 unsigned char data[3]; 116 117 data[0] = 0x03; 118 data[1] = magnitude >> 9; 119 iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data); 120 121 data[0] = 0x04; 122 data[1] = 0x01; 123 iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data); 124 } 125 126 /* 127 * Function called when an ioctl is performed on the event dev entry. 128 * It uploads an effect to the device 129 */ 130 static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old) 131 { 132 struct iforce *iforce = input_get_drvdata(dev); 133 struct iforce_core_effect *core_effect = &iforce->core_effects[effect->id]; 134 int ret; 135 136 if (__test_and_set_bit(FF_CORE_IS_USED, core_effect->flags)) { 137 /* Check the effect is not already being updated */ 138 if (test_bit(FF_CORE_UPDATE, core_effect->flags)) 139 return -EAGAIN; 140 } 141 142 /* 143 * Upload the effect 144 */ 145 switch (effect->type) { 146 147 case FF_PERIODIC: 148 ret = iforce_upload_periodic(iforce, effect, old); 149 break; 150 151 case FF_CONSTANT: 152 ret = iforce_upload_constant(iforce, effect, old); 153 break; 154 155 case FF_SPRING: 156 case FF_DAMPER: 157 ret = iforce_upload_condition(iforce, effect, old); 158 break; 159 160 default: 161 return -EINVAL; 162 } 163 164 if (ret == 0) { 165 /* A packet was sent, forbid new updates until we are notified 166 * that the packet was updated 167 */ 168 set_bit(FF_CORE_UPDATE, core_effect->flags); 169 } 170 return ret; 171 } 172 173 /* 174 * Erases an effect: it frees the effect id and mark as unused the memory 175 * allocated for the parameters 176 */ 177 static int iforce_erase_effect(struct input_dev *dev, int effect_id) 178 { 179 struct iforce *iforce = input_get_drvdata(dev); 180 struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id]; 181 int err = 0; 182 183 if (test_bit(FF_MOD1_IS_USED, core_effect->flags)) 184 err = release_resource(&core_effect->mod1_chunk); 185 186 if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags)) 187 err = release_resource(&core_effect->mod2_chunk); 188 189 /* TODO: remember to change that if more FF_MOD* bits are added */ 190 core_effect->flags[0] = 0; 191 192 return err; 193 } 194 195 static int iforce_open(struct input_dev *dev) 196 { 197 struct iforce *iforce = input_get_drvdata(dev); 198 199 switch (iforce->bus) { 200 #ifdef CONFIG_JOYSTICK_IFORCE_USB 201 case IFORCE_USB: 202 iforce->irq->dev = iforce->usbdev; 203 if (usb_submit_urb(iforce->irq, GFP_KERNEL)) 204 return -EIO; 205 break; 206 #endif 207 } 208 209 if (test_bit(EV_FF, dev->evbit)) { 210 /* Enable force feedback */ 211 iforce_send_packet(iforce, FF_CMD_ENABLE, "\004"); 212 } 213 214 return 0; 215 } 216 217 static void iforce_close(struct input_dev *dev) 218 { 219 struct iforce *iforce = input_get_drvdata(dev); 220 int i; 221 222 if (test_bit(EV_FF, dev->evbit)) { 223 /* Check: no effects should be present in memory */ 224 for (i = 0; i < dev->ff->max_effects; i++) { 225 if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags)) { 226 dev_warn(&dev->dev, 227 "%s: Device still owns effects\n", 228 __func__); 229 break; 230 } 231 } 232 233 /* Disable force feedback playback */ 234 iforce_send_packet(iforce, FF_CMD_ENABLE, "\001"); 235 /* Wait for the command to complete */ 236 wait_event_interruptible(iforce->wait, 237 !test_bit(IFORCE_XMIT_RUNNING, iforce->xmit_flags)); 238 } 239 240 switch (iforce->bus) { 241 #ifdef CONFIG_JOYSTICK_IFORCE_USB 242 case IFORCE_USB: 243 usb_kill_urb(iforce->irq); 244 usb_kill_urb(iforce->out); 245 usb_kill_urb(iforce->ctrl); 246 break; 247 #endif 248 #ifdef CONFIG_JOYSTICK_IFORCE_232 249 case IFORCE_232: 250 //TODO: Wait for the last packets to be sent 251 break; 252 #endif 253 } 254 } 255 256 int iforce_init_device(struct iforce *iforce) 257 { 258 struct input_dev *input_dev; 259 struct ff_device *ff; 260 unsigned char c[] = "CEOV"; 261 int i, error; 262 int ff_effects = 0; 263 264 input_dev = input_allocate_device(); 265 if (!input_dev) 266 return -ENOMEM; 267 268 init_waitqueue_head(&iforce->wait); 269 spin_lock_init(&iforce->xmit_lock); 270 mutex_init(&iforce->mem_mutex); 271 iforce->xmit.buf = iforce->xmit_data; 272 iforce->dev = input_dev; 273 274 /* 275 * Input device fields. 276 */ 277 278 switch (iforce->bus) { 279 #ifdef CONFIG_JOYSTICK_IFORCE_USB 280 case IFORCE_USB: 281 input_dev->id.bustype = BUS_USB; 282 input_dev->dev.parent = &iforce->usbdev->dev; 283 break; 284 #endif 285 #ifdef CONFIG_JOYSTICK_IFORCE_232 286 case IFORCE_232: 287 input_dev->id.bustype = BUS_RS232; 288 input_dev->dev.parent = &iforce->serio->dev; 289 break; 290 #endif 291 } 292 293 input_set_drvdata(input_dev, iforce); 294 295 input_dev->name = "Unknown I-Force device"; 296 input_dev->open = iforce_open; 297 input_dev->close = iforce_close; 298 299 /* 300 * On-device memory allocation. 301 */ 302 303 iforce->device_memory.name = "I-Force device effect memory"; 304 iforce->device_memory.start = 0; 305 iforce->device_memory.end = 200; 306 iforce->device_memory.flags = IORESOURCE_MEM; 307 iforce->device_memory.parent = NULL; 308 iforce->device_memory.child = NULL; 309 iforce->device_memory.sibling = NULL; 310 311 /* 312 * Wait until device ready - until it sends its first response. 313 */ 314 315 for (i = 0; i < 20; i++) 316 if (!iforce_get_id_packet(iforce, "O")) 317 break; 318 319 if (i == 20) { /* 5 seconds */ 320 dev_err(&input_dev->dev, 321 "Timeout waiting for response from device.\n"); 322 error = -ENODEV; 323 goto fail; 324 } 325 326 /* 327 * Get device info. 328 */ 329 330 if (!iforce_get_id_packet(iforce, "M")) 331 input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1]; 332 else 333 dev_warn(&iforce->dev->dev, "Device does not respond to id packet M\n"); 334 335 if (!iforce_get_id_packet(iforce, "P")) 336 input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1]; 337 else 338 dev_warn(&iforce->dev->dev, "Device does not respond to id packet P\n"); 339 340 if (!iforce_get_id_packet(iforce, "B")) 341 iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1]; 342 else 343 dev_warn(&iforce->dev->dev, "Device does not respond to id packet B\n"); 344 345 if (!iforce_get_id_packet(iforce, "N")) 346 ff_effects = iforce->edata[1]; 347 else 348 dev_warn(&iforce->dev->dev, "Device does not respond to id packet N\n"); 349 350 /* Check if the device can store more effects than the driver can really handle */ 351 if (ff_effects > IFORCE_EFFECTS_MAX) { 352 dev_warn(&iforce->dev->dev, "Limiting number of effects to %d (device reports %d)\n", 353 IFORCE_EFFECTS_MAX, ff_effects); 354 ff_effects = IFORCE_EFFECTS_MAX; 355 } 356 357 /* 358 * Display additional info. 359 */ 360 361 for (i = 0; c[i]; i++) 362 if (!iforce_get_id_packet(iforce, c + i)) 363 iforce_dump_packet("info", iforce->ecmd, iforce->edata); 364 365 /* 366 * Disable spring, enable force feedback. 367 */ 368 iforce_set_autocenter(input_dev, 0); 369 370 /* 371 * Find appropriate device entry 372 */ 373 374 for (i = 0; iforce_device[i].idvendor; i++) 375 if (iforce_device[i].idvendor == input_dev->id.vendor && 376 iforce_device[i].idproduct == input_dev->id.product) 377 break; 378 379 iforce->type = iforce_device + i; 380 input_dev->name = iforce->type->name; 381 382 /* 383 * Set input device bitfields and ranges. 384 */ 385 386 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) | 387 BIT_MASK(EV_FF_STATUS); 388 389 for (i = 0; iforce->type->btn[i] >= 0; i++) 390 set_bit(iforce->type->btn[i], input_dev->keybit); 391 set_bit(BTN_DEAD, input_dev->keybit); 392 393 for (i = 0; iforce->type->abs[i] >= 0; i++) { 394 395 signed short t = iforce->type->abs[i]; 396 397 switch (t) { 398 399 case ABS_X: 400 case ABS_Y: 401 case ABS_WHEEL: 402 403 input_set_abs_params(input_dev, t, -1920, 1920, 16, 128); 404 set_bit(t, input_dev->ffbit); 405 break; 406 407 case ABS_THROTTLE: 408 case ABS_GAS: 409 case ABS_BRAKE: 410 411 input_set_abs_params(input_dev, t, 0, 255, 0, 0); 412 break; 413 414 case ABS_RUDDER: 415 416 input_set_abs_params(input_dev, t, -128, 127, 0, 0); 417 break; 418 419 case ABS_HAT0X: 420 case ABS_HAT0Y: 421 case ABS_HAT1X: 422 case ABS_HAT1Y: 423 424 input_set_abs_params(input_dev, t, -1, 1, 0, 0); 425 break; 426 } 427 } 428 429 if (ff_effects) { 430 431 for (i = 0; iforce->type->ff[i] >= 0; i++) 432 set_bit(iforce->type->ff[i], input_dev->ffbit); 433 434 error = input_ff_create(input_dev, ff_effects); 435 if (error) 436 goto fail; 437 438 ff = input_dev->ff; 439 ff->upload = iforce_upload_effect; 440 ff->erase = iforce_erase_effect; 441 ff->set_gain = iforce_set_gain; 442 ff->set_autocenter = iforce_set_autocenter; 443 ff->playback = iforce_playback; 444 } 445 /* 446 * Register input device. 447 */ 448 449 error = input_register_device(iforce->dev); 450 if (error) 451 goto fail; 452 453 return 0; 454 455 fail: input_free_device(input_dev); 456 return error; 457 } 458 459 static int __init iforce_init(void) 460 { 461 int err = 0; 462 463 #ifdef CONFIG_JOYSTICK_IFORCE_USB 464 err = usb_register(&iforce_usb_driver); 465 if (err) 466 return err; 467 #endif 468 #ifdef CONFIG_JOYSTICK_IFORCE_232 469 err = serio_register_driver(&iforce_serio_drv); 470 #ifdef CONFIG_JOYSTICK_IFORCE_USB 471 if (err) 472 usb_deregister(&iforce_usb_driver); 473 #endif 474 #endif 475 return err; 476 } 477 478 static void __exit iforce_exit(void) 479 { 480 #ifdef CONFIG_JOYSTICK_IFORCE_USB 481 usb_deregister(&iforce_usb_driver); 482 #endif 483 #ifdef CONFIG_JOYSTICK_IFORCE_232 484 serio_unregister_driver(&iforce_serio_drv); 485 #endif 486 } 487 488 module_init(iforce_init); 489 module_exit(iforce_exit); 490