release/src-rt-6.x.4708/linux/linux-2.6.36/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  * 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                 err("Timeout waiting for response from device.");
 321                 error = -ENODEV;
 322                 goto fail;
 323         }
 324
 325 /*
 326  * Get device info.
 327  */
 328
 329         if (!iforce_get_id_packet(iforce, "M"))
 330                 input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
 331         else
 332                 dev_warn(&iforce->dev->dev, "Device does not respond to id packet M\n");
 333
 334         if (!iforce_get_id_packet(iforce, "P"))
 335                 input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1];
 336         else
 337                 dev_warn(&iforce->dev->dev, "Device does not respond to id packet P\n");
 338
 339         if (!iforce_get_id_packet(iforce, "B"))
 340                 iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1];
 341         else
 342                 dev_warn(&iforce->dev->dev, "Device does not respond to id packet B\n");
 343
 344         if (!iforce_get_id_packet(iforce, "N"))
 345                 ff_effects = iforce->edata[1];
 346         else
 347                 dev_warn(&iforce->dev->dev, "Device does not respond to id packet N\n");
 348
 349         /* Check if the device can store more effects than the driver can really handle */
 350         if (ff_effects > IFORCE_EFFECTS_MAX) {
 351                 dev_warn(&iforce->dev->dev, "Limiting number of effects to %d (device reports %d)\n",
 352                        IFORCE_EFFECTS_MAX, ff_effects);
 353                 ff_effects = IFORCE_EFFECTS_MAX;
 354         }
 355
 356 /*
 357  * Display additional info.
 358  */
 359
 360         for (i = 0; c[i]; i++)
 361                 if (!iforce_get_id_packet(iforce, c + i))
 362                         iforce_dump_packet("info", iforce->ecmd, iforce->edata);
 363
 364 /*
 365  * Disable spring, enable force feedback.
 366  */
 367         iforce_set_autocenter(input_dev, 0);
 368
 369 /*
 370  * Find appropriate device entry
 371  */
 372
 373         for (i = 0; iforce_device[i].idvendor; i++)
 374                 if (iforce_device[i].idvendor == input_dev->id.vendor &&
 375                     iforce_device[i].idproduct == input_dev->id.product)
 376                         break;
 377
 378         iforce->type = iforce_device + i;
 379         input_dev->name = iforce->type->name;
 380
 381 /*
 382  * Set input device bitfields and ranges.
 383  */
 384
 385         input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) |
 386                 BIT_MASK(EV_FF_STATUS);
 387
 388         for (i = 0; iforce->type->btn[i] >= 0; i++)
 389                 set_bit(iforce->type->btn[i], input_dev->keybit);
 390         set_bit(BTN_DEAD, input_dev->keybit);
 391
 392         for (i = 0; iforce->type->abs[i] >= 0; i++) {
 393
 394                 signed short t = iforce->type->abs[i];
 395
 396                 switch (t) {
 397
 398                         case ABS_X:
 399                         case ABS_Y:
 400                         case ABS_WHEEL:
 401
 402                                 input_set_abs_params(input_dev, t, -1920, 1920, 16, 128);
 403                                 set_bit(t, input_dev->ffbit);
 404                                 break;
 405
 406                         case ABS_THROTTLE:
 407                         case ABS_GAS:
 408                         case ABS_BRAKE:
 409
 410                                 input_set_abs_params(input_dev, t, 0, 255, 0, 0);
 411                                 break;
 412
 413                         case ABS_RUDDER:
 414
 415                                 input_set_abs_params(input_dev, t, -128, 127, 0, 0);
 416                                 break;
 417
 418                         case ABS_HAT0X:
 419                         case ABS_HAT0Y:
 420                         case ABS_HAT1X:
 421                         case ABS_HAT1Y:
 422
 423                                 input_set_abs_params(input_dev, t, -1, 1, 0, 0);
 424                                 break;
 425                 }
 426         }
 427
 428         if (ff_effects) {
 429
 430                 for (i = 0; iforce->type->ff[i] >= 0; i++)
 431                         set_bit(iforce->type->ff[i], input_dev->ffbit);
 432
 433                 error = input_ff_create(input_dev, ff_effects);
 434                 if (error)
 435                         goto fail;
 436
 437                 ff = input_dev->ff;
 438                 ff->upload = iforce_upload_effect;
 439                 ff->erase = iforce_erase_effect;
 440                 ff->set_gain = iforce_set_gain;
 441                 ff->set_autocenter = iforce_set_autocenter;
 442                 ff->playback = iforce_playback;
 443         }
 444 /*
 445  * Register input device.
 446  */
 447
 448         error = input_register_device(iforce->dev);
 449         if (error)
 450                 goto fail;
 451
 452         return 0;
 453
 454  fail:  input_free_device(input_dev);
 455         return error;
 456 }
 457
 458 static int __init iforce_init(void)
 459 {
 460         int err = 0;
 461
 462 #ifdef CONFIG_JOYSTICK_IFORCE_USB
 463         err = usb_register(&iforce_usb_driver);
 464         if (err)
 465                 return err;
 466 #endif
 467 #ifdef CONFIG_JOYSTICK_IFORCE_232
 468         err = serio_register_driver(&iforce_serio_drv);
 469 #ifdef CONFIG_JOYSTICK_IFORCE_USB
 470         if (err)
 471                 usb_deregister(&iforce_usb_driver);
 472 #endif
 473 #endif
 474         return err;
 475 }
 476
 477 static void __exit iforce_exit(void)
 478 {
 479 #ifdef CONFIG_JOYSTICK_IFORCE_USB
 480         usb_deregister(&iforce_usb_driver);
 481 #endif
 482 #ifdef CONFIG_JOYSTICK_IFORCE_232
 483         serio_unregister_driver(&iforce_serio_drv);
 484 #endif
 485 }
 486
 487 module_init(iforce_init);
 488 module_exit(iforce_exit);