drivers/input/joystick/iforce/iforce-main.c

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