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_avb_pegasus[] =
58 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_RUDDER, ABS_HAT0X, ABS_HAT0Y,
59 ABS_HAT1X, ABS_HAT1Y, -1 };
60
61 static signed short abs_wheel[] =
62 { ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, -1 };
63
64 static signed short ff_iforce[] =
65 { FF_PERIODIC, FF_CONSTANT, FF_SPRING, FF_DAMPER,
66 FF_SQUARE, FF_TRIANGLE, FF_SINE, FF_SAW_UP, FF_SAW_DOWN, FF_GAIN,
67 FF_AUTOCENTER, -1 };
68
69 static struct iforce_device iforce_device[] = {
70 { 0x044f, 0xa01c, "Thrustmaster Motor Sport GT", btn_wheel, abs_wheel, ff_iforce },
71 { 0x046d, 0xc281, "Logitech WingMan Force", btn_joystick, abs_joystick, ff_iforce },
72 { 0x046d, 0xc291, "Logitech WingMan Formula Force", btn_wheel, abs_wheel, ff_iforce },
73 { 0x05ef, 0x020a, "AVB Top Shot Pegasus", btn_avb_pegasus, abs_avb_pegasus, ff_iforce },
74 { 0x05ef, 0x8884, "AVB Mag Turbo Force", btn_avb_wheel, abs_wheel, ff_iforce },
75 { 0x05ef, 0x8888, "AVB Top Shot Force Feedback Racing Wheel", btn_avb_tw, abs_wheel, ff_iforce }, //?
76 { 0x061c, 0xc0a4, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce }, //?
77 { 0x061c, 0xc084, "ACT LABS Force RS", btn_wheel, abs_wheel, ff_iforce },
78 { 0x06f8, 0x0001, "Guillemot Race Leader Force Feedback", btn_wheel, abs_wheel, ff_iforce }, //?
79 { 0x06f8, 0x0004, "Guillemot Force Feedback Racing Wheel", btn_wheel, abs_wheel, ff_iforce }, //?
80 { 0x06f8, 0x0004, "Gullemot Jet Leader 3D", btn_joystick, abs_joystick, ff_iforce }, //?
81 { 0x06d6, 0x29bc, "Trust Force Feedback Race Master", btn_wheel, abs_wheel, ff_iforce },
82 { 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]", btn_joystick, abs_joystick, ff_iforce }
83 };
84
85 static int iforce_playback(struct input_dev *dev, int effect_id, int value)
86 {
87 struct iforce *iforce = input_get_drvdata(dev);
88 struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
89
90 if (value > 0)
91 set_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
92 else
93 clear_bit(FF_CORE_SHOULD_PLAY, core_effect->flags);
94
95 iforce_control_playback(iforce, effect_id, value);
96 return 0;
97 }
98
99 static void iforce_set_gain(struct input_dev *dev, u16 gain)
100 {
101 struct iforce *iforce = input_get_drvdata(dev);
102 unsigned char data[3];
103
104 data[0] = gain >> 9;
105 iforce_send_packet(iforce, FF_CMD_GAIN, data);
106 }
107
108 static void iforce_set_autocenter(struct input_dev *dev, u16 magnitude)
109 {
110 struct iforce *iforce = input_get_drvdata(dev);
111 unsigned char data[3];
112
113 data[0] = 0x03;
114 data[1] = magnitude >> 9;
115 iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
116
117 data[0] = 0x04;
118 data[1] = 0x01;
119 iforce_send_packet(iforce, FF_CMD_AUTOCENTER, data);
120 }
121
122 /*
123 * Function called when an ioctl is performed on the event dev entry.
124 * It uploads an effect to the device
125 */
126 static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect, struct ff_effect *old)
127 {
128 struct iforce *iforce = input_get_drvdata(dev);
129 struct iforce_core_effect *core_effect = &iforce->core_effects[effect->id];
130 int ret;
131
132 if (__test_and_set_bit(FF_CORE_IS_USED, core_effect->flags)) {
133 /* Check the effect is not already being updated */
134 if (test_bit(FF_CORE_UPDATE, core_effect->flags))
135 return -EAGAIN;
136 }
137
138 /*
139 * Upload the effect
140 */
141 switch (effect->type) {
142
143 case FF_PERIODIC:
144 ret = iforce_upload_periodic(iforce, effect, old);
145 break;
146
147 case FF_CONSTANT:
148 ret = iforce_upload_constant(iforce, effect, old);
149 break;
150
151 case FF_SPRING:
152 case FF_DAMPER:
153 ret = iforce_upload_condition(iforce, effect, old);
154 break;
155
156 default:
157 return -EINVAL;
158 }
159
160 if (ret == 0) {
161 /* A packet was sent, forbid new updates until we are notified
162 * that the packet was updated
163 */
164 set_bit(FF_CORE_UPDATE, core_effect->flags);
165 }
166 return ret;
167 }
168
169 /*
170 * Erases an effect: it frees the effect id and mark as unused the memory
171 * allocated for the parameters
172 */
173 static int iforce_erase_effect(struct input_dev *dev, int effect_id)
174 {
175 struct iforce *iforce = input_get_drvdata(dev);
176 struct iforce_core_effect *core_effect = &iforce->core_effects[effect_id];
177 int err = 0;
178
179 if (test_bit(FF_MOD1_IS_USED, core_effect->flags))
180 err = release_resource(&core_effect->mod1_chunk);
181
182 if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags))
183 err = release_resource(&core_effect->mod2_chunk);
184
185 /* TODO: remember to change that if more FF_MOD* bits are added */
186 core_effect->flags[0] = 0;
187
188 return err;
189 }
190
191 static int iforce_open(struct input_dev *dev)
192 {
193 struct iforce *iforce = input_get_drvdata(dev);
194
195 switch (iforce->bus) {
196 #ifdef CONFIG_JOYSTICK_IFORCE_USB
197 case IFORCE_USB:
198 iforce->irq->dev = iforce->usbdev;
199 if (usb_submit_urb(iforce->irq, GFP_KERNEL))
200 return -EIO;
201 break;
202 #endif
203 }
204
205 if (test_bit(EV_FF, dev->evbit)) {
206 /* Enable force feedback */
207 iforce_send_packet(iforce, FF_CMD_ENABLE, "\004");
208 }
209
210 return 0;
211 }
212
213 static void iforce_release(struct input_dev *dev)
214 {
215 struct iforce *iforce = input_get_drvdata(dev);
216 int i;
217
218 if (test_bit(EV_FF, dev->evbit)) {
219 /* Check: no effects should be present in memory */
220 for (i = 0; i < dev->ff->max_effects; i++) {
221 if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags)) {
222 dev_warn(&dev->dev,
223 "%s: Device still owns effects\n",
224 __func__);
225 break;
226 }
227 }
228
229 /* Disable force feedback playback */
230 iforce_send_packet(iforce, FF_CMD_ENABLE, "\001");
231 }
232
233 switch (iforce->bus) {
234 #ifdef CONFIG_JOYSTICK_IFORCE_USB
235 case IFORCE_USB:
236 usb_kill_urb(iforce->irq);
237
238 /* The device was unplugged before the file
239 * was released */
240 if (iforce->usbdev == NULL) {
241 iforce_delete_device(iforce);
242 kfree(iforce);
243 }
244 break;
245 #endif
246 }
247 }
248
249 void iforce_delete_device(struct iforce *iforce)
250 {
251 switch (iforce->bus) {
252 #ifdef CONFIG_JOYSTICK_IFORCE_USB
253 case IFORCE_USB:
254 iforce_usb_delete(iforce);
255 break;
256 #endif
257 #ifdef CONFIG_JOYSTICK_IFORCE_232
258 case IFORCE_232:
259 //TODO: Wait for the last packets to be sent
260 break;
261 #endif
262 }
263 }
264
265 int iforce_init_device(struct iforce *iforce)
266 {
267 struct input_dev *input_dev;
268 struct ff_device *ff;
269 unsigned char c[] = "CEOV";
270 int i, error;
271 int ff_effects = 0;
272
273 input_dev = input_allocate_device();
274 if (!input_dev)
275 return -ENOMEM;
276
277 init_waitqueue_head(&iforce->wait);
278 spin_lock_init(&iforce->xmit_lock);
279 mutex_init(&iforce->mem_mutex);
280 iforce->xmit.buf = iforce->xmit_data;
281 iforce->dev = input_dev;
282
283 /*
284 * Input device fields.
285 */
286
287 switch (iforce->bus) {
288 #ifdef CONFIG_JOYSTICK_IFORCE_USB
289 case IFORCE_USB:
290 input_dev->id.bustype = BUS_USB;
291 input_dev->dev.parent = &iforce->usbdev->dev;
292 break;
293 #endif
294 #ifdef CONFIG_JOYSTICK_IFORCE_232
295 case IFORCE_232:
296 input_dev->id.bustype = BUS_RS232;
297 input_dev->dev.parent = &iforce->serio->dev;
298 break;
299 #endif
300 }
301
302 input_set_drvdata(input_dev, iforce);
303
304 input_dev->name = "Unknown I-Force device";
305 input_dev->open = iforce_open;
306 input_dev->close = iforce_release;
307
308 /*
309 * On-device memory allocation.
310 */
311
312 iforce->device_memory.name = "I-Force device effect memory";
313 iforce->device_memory.start = 0;
314 iforce->device_memory.end = 200;
315 iforce->device_memory.flags = IORESOURCE_MEM;
316 iforce->device_memory.parent = NULL;
317 iforce->device_memory.child = NULL;
318 iforce->device_memory.sibling = NULL;
319
320 /*
321 * Wait until device ready - until it sends its first response.
322 */
323
324 for (i = 0; i < 20; i++)
325 if (!iforce_get_id_packet(iforce, "O"))
326 break;
327
328 if (i == 20) { /* 5 seconds */
329 err("Timeout waiting for response from device.");
330 error = -ENODEV;
331 goto fail;
332 }
333
334 /*
335 * Get device info.
336 */
337
338 if (!iforce_get_id_packet(iforce, "M"))
339 input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
340 else
341 dev_warn(&iforce->dev->dev, "Device does not respond to id packet M\n");
342
343 if (!iforce_get_id_packet(iforce, "P"))
344 input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1];
345 else
346 dev_warn(&iforce->dev->dev, "Device does not respond to id packet P\n");
347
348 if (!iforce_get_id_packet(iforce, "B"))
349 iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1];
350 else
351 dev_warn(&iforce->dev->dev, "Device does not respond to id packet B\n");
352
353 if (!iforce_get_id_packet(iforce, "N"))
354 ff_effects = iforce->edata[1];
355 else
356 dev_warn(&iforce->dev->dev, "Device does not respond to id packet N\n");
357
358 /* Check if the device can store more effects than the driver can really handle */
359 if (ff_effects > IFORCE_EFFECTS_MAX) {
360 dev_warn(&iforce->dev->dev, "Limiting number of effects to %d (device reports %d)\n",
361 IFORCE_EFFECTS_MAX, ff_effects);
362 ff_effects = IFORCE_EFFECTS_MAX;
363 }
364
365 /*
366 * Display additional info.
367 */
368
369 for (i = 0; c[i]; i++)
370 if (!iforce_get_id_packet(iforce, c + i))
371 iforce_dump_packet("info", iforce->ecmd, iforce->edata);
372
373 /*
374 * Disable spring, enable force feedback.
375 */
376 iforce_set_autocenter(input_dev, 0);
377
378 /*
379 * Find appropriate device entry
380 */
381
382 for (i = 0; iforce_device[i].idvendor; i++)
383 if (iforce_device[i].idvendor == input_dev->id.vendor &&
384 iforce_device[i].idproduct == input_dev->id.product)
385 break;
386
387 iforce->type = iforce_device + i;
388 input_dev->name = iforce->type->name;
389
390 /*
391 * Set input device bitfields and ranges.
392 */
393
394 input_dev->evbit[0] = BIT_MASK(EV_KEY) | BIT_MASK(EV_ABS) |
395 BIT_MASK(EV_FF_STATUS);
396
397 for (i = 0; iforce->type->btn[i] >= 0; i++)
398 set_bit(iforce->type->btn[i], input_dev->keybit);
399 set_bit(BTN_DEAD, input_dev->keybit);
400
401 for (i = 0; iforce->type->abs[i] >= 0; i++) {
402
403 signed short t = iforce->type->abs[i];
404
405 switch (t) {
406
407 case ABS_X:
408 case ABS_Y:
409 case ABS_WHEEL:
410
411 input_set_abs_params(input_dev, t, -1920, 1920, 16, 128);
412 set_bit(t, input_dev->ffbit);
413 break;
414
415 case ABS_THROTTLE:
416 case ABS_GAS:
417 case ABS_BRAKE:
418
419 input_set_abs_params(input_dev, t, 0, 255, 0, 0);
420 break;
421
422 case ABS_RUDDER:
423
424 input_set_abs_params(input_dev, t, -128, 127, 0, 0);
425 break;
426
427 case ABS_HAT0X:
428 case ABS_HAT0Y:
429 case ABS_HAT1X:
430 case ABS_HAT1Y:
431
432 input_set_abs_params(input_dev, t, -1, 1, 0, 0);
433 break;
434 }
435 }
436
437 if (ff_effects) {
438
439 for (i = 0; iforce->type->ff[i] >= 0; i++)
440 set_bit(iforce->type->ff[i], input_dev->ffbit);
441
442 error = input_ff_create(input_dev, ff_effects);
443 if (error)
444 goto fail;
445
446 ff = input_dev->ff;
447 ff->upload = iforce_upload_effect;
448 ff->erase = iforce_erase_effect;
449 ff->set_gain = iforce_set_gain;
450 ff->set_autocenter = iforce_set_autocenter;
451 ff->playback = iforce_playback;
452 }
453 /*
454 * Register input device.
455 */
456
457 error = input_register_device(iforce->dev);
458 if (error)
459 goto fail;
460
461 return 0;
462
463 fail: input_free_device(input_dev);
464 return error;
465 }
466
467 static int __init iforce_init(void)
468 {
469 int err = 0;
470
471 #ifdef CONFIG_JOYSTICK_IFORCE_USB
472 err = usb_register(&iforce_usb_driver);
473 if (err)
474 return err;
475 #endif
476 #ifdef CONFIG_JOYSTICK_IFORCE_232
477 err = serio_register_driver(&iforce_serio_drv);
478 #ifdef CONFIG_JOYSTICK_IFORCE_USB
479 if (err)
480 usb_deregister(&iforce_usb_driver);
481 #endif
482 #endif
483 return err;
484 }
485
486 static void __exit iforce_exit(void)
487 {
488 #ifdef CONFIG_JOYSTICK_IFORCE_USB
489 usb_deregister(&iforce_usb_driver);
490 #endif
491 #ifdef CONFIG_JOYSTICK_IFORCE_232
492 serio_unregister_driver(&iforce_serio_drv);
493 #endif
494 }
495
496 module_init(iforce_init);
497 module_exit(iforce_exit);
498
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