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30#include "iforce.h"
31
32MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <johann.deneux@gmail.com>");
33MODULE_DESCRIPTION("USB/RS232 I-Force joysticks and wheels driver");
34MODULE_LICENSE("GPL");
35
36static signed short btn_joystick[] =
37{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
38 BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 };
39
40static signed short btn_avb_pegasus[] =
41{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
42 BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 };
43
44static signed short btn_wheel[] =
45{ BTN_TRIGGER, BTN_TOP, BTN_THUMB, BTN_TOP2, BTN_BASE,
46 BTN_BASE2, BTN_BASE3, BTN_BASE4, BTN_BASE5, BTN_A, BTN_B, BTN_C, -1 };
47
48static signed short btn_avb_tw[] =
49{ BTN_TRIGGER, BTN_THUMB, BTN_TOP, BTN_TOP2, BTN_BASE,
50 BTN_BASE2, BTN_BASE3, BTN_BASE4, -1 };
51
52static signed short btn_avb_wheel[] =
53{ BTN_GEAR_DOWN, BTN_GEAR_UP, BTN_BASE, BTN_BASE2, BTN_BASE3,
54 BTN_BASE4, BTN_BASE5, BTN_BASE6, -1 };
55
56static signed short abs_joystick[] =
57{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 };
58
59static signed short abs_avb_pegasus[] =
60{ ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y,
61 ABS_HAT1X, ABS_HAT1Y, -1 };
62
63static signed short abs_wheel[] =
64{ ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, -1 };
65
66static signed short ff_iforce[] =
67{ FF_PERIODIC, FF_CONSTANT, FF_SPRING, FF_DAMPER,
68 FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP, FF_SAW_DOWN, FF_GAIN,
69 FF_AUTOCENTER, -1 };
70
71static struct iforce_device iforce_device[] = {
72 { 0x044f, 0xa01c, "Thrustmaster Motor Sport GT", btn_wheel, abs_wheel, ff_iforce },
73 { 0x046d, 0xc281, "Logitech WingMan Force", btn_joystick, abs_joystick, ff_iforce },
74 { 0x046d, 0xc291, "Logitech WingMan Formula Force", btn_wheel, abs_wheel, ff_iforce },
75 { 0x05ef, 0x020a, "AVB Top Shot Pegasus", btn_avb_pegasus, abs_avb_pegasus, ff_iforce },
76 { 0x05ef, 0x8884, "AVB Mag Turbo Force", btn_avb_wheel, abs_wheel, ff_iforce },
77 { 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel", btn_avb_tw, abs_wheel, ff_iforce },
78 { 0x061c, 0xc0a4, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce },
79 { 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback", btn_wheel, abs_wheel, ff_iforce },
80 { 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce },
81 { 0x06f8, 0x0004, "Gullemot Jet Leader 3D", btn_joystick, abs_joystick, ff_iforce },
82 { 0x06d6, 0x29bc, "Trust Force Feedback Race Master", btn_wheel, abs_wheel, ff_iforce },
83 { 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]", btn_joystick, abs_joystick, ff_iforce }
84};
85
86static int iforce_playback(struct input_dev *dev, int effect_id, int value)
87{
88 struct iforce* iforce = dev->private;
89 struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
90
91 if (value > 0)
92 set_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
93 else
94 clear_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
95
96 iforce_control_playback(iforce, effect_id, value);
97 return 0;
98}
99
100static void iforce_set_gain(struct input_dev *dev, u16 gain)
101{
102 struct iforce* iforce = dev->private;
103 unsigned char data[3];
104
105 data[0] = gain >> 9;
106 iforce_send_packet(iforce, FF_CMD_GAIN, data);
107}
108
109static void iforce_set_autocenter(struct input_dev *dev, u16 magnitude)
110{
111 struct iforce* iforce = dev->private;
112 unsigned char data[3];
113
114 data[0] = 0x03;
115 data[1] = magnitude >> 9;
116 iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
117
118 data[0] = 0x04;
119 data[1] = 0x01;
120 iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
121}
122
123
124
125
126
127static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old)
128{
129 struct iforce* iforce = dev->private;
130 struct iforce_core_effect *core_effect = &iforce->core_effects[effect->id];
131 int ret;
132
133 if (__test_and_set_bit(FF_CORE_IS_USED, core_effect->flags)) {
134
135 if (test_bit(FF_CORE_UPDATE, core_effect->flags))
136 return -EAGAIN;
137 }
138
139
140
141
142 switch (effect->type) {
143
144 case FF_PERIODIC:
145 ret = iforce_upload_periodic(iforce, effect, old);
146 break;
147
148 case FF_CONSTANT:
149 ret = iforce_upload_constant(iforce, effect, old);
150 break;
151
152 case FF_SPRING:
153 case FF_DAMPER:
154 ret = iforce_upload_condition(iforce, effect, old);
155 break;
156
157 default:
158 return -EINVAL;
159 }
160
161 if (ret == 0) {
162
163
164
165 set_bit(FF_CORE_UPDATE, core_effect->flags);
166 }
167 return ret;
168}
169
170
171
172
173
174static int iforce_erase_effect(struct input_dev *dev, int effect_id)
175{
176 struct iforce *iforce = dev->private;
177 struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
178 int err = 0;
179
180 if (test_bit(FF_MOD1_IS_USED, core_effect->flags))
181 err = release_resource(&core_effect->mod1_chunk);
182
183 if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags))
184 err = release_resource(&core_effect->mod2_chunk);
185
186
187 core_effect->flags[0] = 0;
188
189 return err;
190}
191
192static int iforce_open(struct input_dev *dev)
193{
194 struct iforce *iforce = dev->private;
195
196 switch (iforce->bus) {
197#ifdef CONFIG_JOYSTICK_IFORCE_USB
198 case IFORCE_USB:
199 iforce->irq->dev = iforce->usbdev;
200 if (usb_submit_urb(iforce->irq, GFP_KERNEL))
201 return -EIO;
202 break;
203#endif
204 }
205
206 if (test_bit(EV_FF, dev->evbit)) {
207
208 iforce_send_packet(iforce, FF_CMD_ENABLE, "\004");
209 }
210
211 return 0;
212}
213
214static void iforce_release(struct input_dev *dev)
215{
216 struct iforce *iforce = dev->private;
217 int i;
218
219 if (test_bit(EV_FF, dev->evbit)) {
220
221 for (i = 0; i < dev->ff->max_effects; i++) {
222 if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags)) {
223 warn("iforce_release: Device still owns effects");
224 break;
225 }
226 }
227
228
229 iforce_send_packet(iforce, FF_CMD_ENABLE, "\001");
230 }
231
232 switch (iforce->bus) {
233#ifdef CONFIG_JOYSTICK_IFORCE_USB
234 case IFORCE_USB:
235 usb_kill_urb(iforce->irq);
236
237
238
239 if (iforce->usbdev == NULL) {
240 iforce_delete_device(iforce);
241 kfree(iforce);
242 }
243 break;
244#endif
245 }
246}
247
248void iforce_delete_device(struct iforce *iforce)
249{
250 switch (iforce->bus) {
251#ifdef CONFIG_JOYSTICK_IFORCE_USB
252 case IFORCE_USB:
253 iforce_usb_delete(iforce);
254 break;
255#endif
256#ifdef CONFIG_JOYSTICK_IFORCE_232
257 case IFORCE_232:
258
259 break;
260#endif
261 }
262}
263
264int iforce_init_device(struct iforce *iforce)
265{
266 struct input_dev *input_dev;
267 struct ff_device *ff;
268 unsigned char c[] = "CEOV";
269 int i, error;
270 int ff_effects = 0;
271
272 input_dev = input_allocate_device();
273 if (!input_dev)
274 return -ENOMEM;
275
276 init_waitqueue_head(&iforce->wait);
277 spin_lock_init(&iforce->xmit_lock);
278 mutex_init(&iforce->mem_mutex);
279 iforce->xmit.buf = iforce->xmit_data;
280 iforce->dev = input_dev;
281
282
283
284
285
286 switch (iforce->bus) {
287#ifdef CONFIG_JOYSTICK_IFORCE_USB
288 case IFORCE_USB:
289 input_dev->id.bustype = BUS_USB;
290 input_dev->dev.parent = &iforce->usbdev->dev;
291 break;
292#endif
293#ifdef CONFIG_JOYSTICK_IFORCE_232
294 case IFORCE_232:
295 input_dev->id.bustype = BUS_RS232;
296 input_dev->dev.parent = &iforce->serio->dev;
297 break;
298#endif
299 }
300
301 input_dev->private = iforce;
302 input_dev->name = "Unknown I-Force device";
303 input_dev->open = iforce_open;
304 input_dev->close = iforce_release;
305
306
307
308
309
310 iforce->device_memory.name = "I-Force device effect memory";
311 iforce->device_memory.start = 0;
312 iforce->device_memory.end = 200;
313 iforce->device_memory.flags = IORESOURCE_MEM;
314 iforce->device_memory.parent = NULL;
315 iforce->device_memory.child = NULL;
316 iforce->device_memory.sibling = NULL;
317
318
319
320
321
322 for (i = 0; i < 20; i++)
323 if (!iforce_get_id_packet(iforce, "O"))
324 break;
325
326 if (i == 20) {
327 err("Timeout waiting for response from device.");
328 error = -ENODEV;
329 goto fail;
330 }
331
332
333
334
335
336 if (!iforce_get_id_packet(iforce, "M"))
337 input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
338 else
339 warn("Device does not respond to id packet M");
340
341 if (!iforce_get_id_packet(iforce, "P"))
342 input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1];
343 else
344 warn("Device does not respond to id packet P");
345
346 if (!iforce_get_id_packet(iforce, "B"))
347 iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1];
348 else
349 warn("Device does not respond to id packet B");
350
351 if (!iforce_get_id_packet(iforce, "N"))
352 ff_effects = iforce->edata[1];
353 else
354 warn("Device does not respond to id packet N");
355
356
357 if (ff_effects > IFORCE_EFFECTS_MAX) {
358 warn("Limiting number of effects to %d (device reports %d)",
359 IFORCE_EFFECTS_MAX, ff_effects);
360 ff_effects = IFORCE_EFFECTS_MAX;
361 }
362
363
364
365
366
367 for (i = 0; c[i]; i++)
368 if (!iforce_get_id_packet(iforce, c + i))
369 iforce_dump_packet("info", iforce->ecmd, iforce->edata);
370
371
372
373
374 iforce_set_autocenter(input_dev, 0);
375
376
377
378
379
380 for (i = 0; iforce_device[i].idvendor; i++)
381 if (iforce_device[i].idvendor == input_dev->id.vendor &&
382 iforce_device[i].idproduct == input_dev->id.product)
383 break;
384
385 iforce->type = iforce_device + i;
386 input_dev->name = iforce->type->name;
387
388
389
390
391
392 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) |
393 BIT_MASK(EV_FF_STATUS);
394
395 for (i = 0; iforce->type->btn[i] >= 0; i++)
396 set_bit(iforce->type->btn[i], input_dev->keybit);
397 set_bit(BTN_DEAD, input_dev->keybit);
398
399 for (i = 0; iforce->type->abs[i] >= 0; i++) {
400
401 signed short t = iforce->type->abs[i];
402
403 switch (t) {
404
405 case ABS_X:
406 case ABS_Y:
407 case ABS_WHEEL:
408
409 input_set_abs_params(input_dev, t, -1920, 1920, 16, 128);
410 set_bit(t, input_dev->ffbit);
411 break;
412
413 case ABS_THROTTLE:
414 case ABS_GAS:
415 case ABS_BRAKE:
416
417 input_set_abs_params(input_dev, t, 0, 255, 0, 0);
418 break;
419
420 case ABS_RUDDER:
421
422 input_set_abs_params(input_dev, t, -128, 127, 0, 0);
423 break;
424
425 case ABS_HAT0X:
426 case ABS_HAT0Y:
427 case ABS_HAT1X:
428 case ABS_HAT1Y:
429
430 input_set_abs_params(input_dev, t, -1, 1, 0, 0);
431 break;
432 }
433 }
434
435 if (ff_effects) {
436
437 for (i = 0; iforce->type->ff[i] >= 0; i++)
438 set_bit(iforce->type->ff[i], input_dev->ffbit);
439
440 error = input_ff_create(input_dev, ff_effects);
441 if (error)
442 goto fail;
443
444 ff = input_dev->ff;
445 ff->upload = iforce_upload_effect;
446 ff->erase = iforce_erase_effect;
447 ff->set_gain = iforce_set_gain;
448 ff->set_autocenter = iforce_set_autocenter;
449 ff->playback = iforce_playback;
450 }
451
452
453
454
455 error = input_register_device(iforce->dev);
456 if (error)
457 goto fail;
458
459 return 0;
460
461 fail: input_free_device(input_dev);
462 return error;
463}
464
465static int __init iforce_init(void)
466{
467 int err = 0;
468
469#ifdef CONFIG_JOYSTICK_IFORCE_USB
470 err = usb_register(&iforce_usb_driver);
471 if (err)
472 return err;
473#endif
474#ifdef CONFIG_JOYSTICK_IFORCE_232
475 err = serio_register_driver(&iforce_serio_drv);
476#ifdef CONFIG_JOYSTICK_IFORCE_USB
477 if (err)
478 usb_deregister(&iforce_usb_driver);
479#endif
480#endif
481 return err;
482}
483
484static void __exit iforce_exit(void)
485{
486#ifdef CONFIG_JOYSTICK_IFORCE_USB
487 usb_deregister(&iforce_usb_driver);
488#endif
489#ifdef CONFIG_JOYSTICK_IFORCE_232
490 serio_unregister_driver(&iforce_serio_drv);
491#endif
492}
493
494module_init(iforce_init);
495module_exit(iforce_exit);
496