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Input: joysticks - semaphore to mutex conversion
[usb.git] / drivers / input / joystick / iforce / iforce-main.c
blobab0a26b924cacc728594819049c774a52fabb676
1 /*
2 * $Id: iforce-main.c,v 1.19 2002/07/07 10:22:50 jdeneux Exp $
3 *
4 * Copyright (c) 2000-2002 Vojtech Pavlik <vojtech@ucw.cz>
5 * Copyright (c) 2001-2002 Johann Deneux <deneux@ifrance.com>
6 *
7 * USB/RS232 I-Force joysticks and wheels.
8 */
9
10 /*
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 *
25 * Should you need to contact me, the author, you can do so either by
26 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
27 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
28 */
29
30 #include "iforce.h"
31
32 MODULE_AUTHOR("Vojtech Pavlik <vojtech@ucw.cz>, Johann Deneux <deneux@ifrance.com>");
33 MODULE_DESCRIPTION("USB/RS232 I-Force joysticks and wheels driver");
34 MODULE_LICENSE("GPL");
35
36 static 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
40 static 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
44 static 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
48 static 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
52 static 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
56 static signed short abs_joystick[] =
57 { ABS_X, ABS_Y, ABS_THROTTLE, ABS_HAT0X, ABS_HAT0Y, -1 };
58
59 static 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
63 static signed short abs_wheel[] =
64 { ABS_WHEEL, ABS_GAS, ABS_BRAKE, ABS_HAT0X, ABS_HAT0Y, -1 };
65
66 static 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
71 static 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 { 0x0000, 0x0000, "Unknown I-Force Device [%04x:%04x]", btn_joystick, abs_joystick, ff_iforce }
83 };
84
85
86
87 static int iforce_input_event(struct input_dev *dev, unsigned int type, unsigned int code, int value)
88 {
89 struct iforce* iforce = (struct iforce*)(dev->private);
90 unsigned char data[3];
91
92 if (type != EV_FF)
93 return -1;
94
95 switch (code) {
96
97 case FF_GAIN:
98
99 data[0] = value >> 9;
100 iforce_send_packet(iforce, FF_CMD_GAIN, data);
101
102 return 0;
103
104 case FF_AUTOCENTER:
105
106 data[0] = 0x03;
107 data[1] = value >> 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 return 0;
115
116 default: /* Play or stop an effect */
117
118 if (!CHECK_OWNERSHIP(code, iforce)) {
119 return -1;
120 }
121 if (value > 0) {
122 set_bit(FF_CORE_SHOULD_PLAY, iforce->core_effects[code].flags);
123 }
124 else {
125 clear_bit(FF_CORE_SHOULD_PLAY, iforce->core_effects[code].flags);
126 }
127
128 iforce_control_playback(iforce, code, value);
129 return 0;
130 }
131
132 return -1;
133 }
134
135 /*
136 * Function called when an ioctl is performed on the event dev entry.
137 * It uploads an effect to the device
138 */
139 static int iforce_upload_effect(struct input_dev *dev, struct ff_effect *effect)
140 {
141 struct iforce* iforce = (struct iforce*)(dev->private);
142 int id;
143 int ret;
144 int is_update;
145
146 /* Check this effect type is supported by this device */
147 if (!test_bit(effect->type, iforce->dev->ffbit))
148 return -EINVAL;
149
150 /*
151 * If we want to create a new effect, get a free id
152 */
153 if (effect->id == -1) {
154
155 for (id = 0; id < FF_EFFECTS_MAX; ++id)
156 if (!test_and_set_bit(FF_CORE_IS_USED, iforce->core_effects[id].flags))
157 break;
158
159 if (id == FF_EFFECTS_MAX || id >= iforce->dev->ff_effects_max)
160 return -ENOMEM;
161
162 effect->id = id;
163 iforce->core_effects[id].owner = current->pid;
164 iforce->core_effects[id].flags[0] = (1 << FF_CORE_IS_USED); /* Only IS_USED bit must be set */
165
166 is_update = FALSE;
167 }
168 else {
169 /* We want to update an effect */
170 if (!CHECK_OWNERSHIP(effect->id, iforce))
171 return -EACCES;
172
173 /* Parameter type cannot be updated */
174 if (effect->type != iforce->core_effects[effect->id].effect.type)
175 return -EINVAL;
176
177 /* Check the effect is not already being updated */
178 if (test_bit(FF_CORE_UPDATE, iforce->core_effects[effect->id].flags))
179 return -EAGAIN;
180
181 is_update = TRUE;
182 }
183
184 /*
185 * Upload the effect
186 */
187 switch (effect->type) {
188
189 case FF_PERIODIC:
190 ret = iforce_upload_periodic(iforce, effect, is_update);
191 break;
192
193 case FF_CONSTANT:
194 ret = iforce_upload_constant(iforce, effect, is_update);
195 break;
196
197 case FF_SPRING:
198 case FF_DAMPER:
199 ret = iforce_upload_condition(iforce, effect, is_update);
200 break;
201
202 default:
203 return -EINVAL;
204 }
205 if (ret == 0) {
206 /* A packet was sent, forbid new updates until we are notified
207 * that the packet was updated
208 */
209 set_bit(FF_CORE_UPDATE, iforce->core_effects[effect->id].flags);
210 }
211 iforce->core_effects[effect->id].effect = *effect;
212 return ret;
213 }
214
215 /*
216 * Erases an effect: it frees the effect id and mark as unused the memory
217 * allocated for the parameters
218 */
219 static int iforce_erase_effect(struct input_dev *dev, int effect_id)
220 {
221 struct iforce* iforce = (struct iforce*)(dev->private);
222 int err = 0;
223 struct iforce_core_effect* core_effect;
224
225 /* Check who is trying to erase this effect */
226 if (iforce->core_effects[effect_id].owner != current->pid) {
227 printk(KERN_WARNING "iforce-main.c: %d tried to erase an effect belonging to %d\n", current->pid, iforce->core_effects[effect_id].owner);
228 return -EACCES;
229 }
230
231 if (effect_id < 0 || effect_id >= FF_EFFECTS_MAX)
232 return -EINVAL;
233
234 core_effect = iforce->core_effects + effect_id;
235
236 if (test_bit(FF_MOD1_IS_USED, core_effect->flags))
237 err = release_resource(&(iforce->core_effects[effect_id].mod1_chunk));
238
239 if (!err && test_bit(FF_MOD2_IS_USED, core_effect->flags))
240 err = release_resource(&(iforce->core_effects[effect_id].mod2_chunk));
241
242 /*TODO: remember to change that if more FF_MOD* bits are added */
243 core_effect->flags[0] = 0;
244
245 return err;
246 }
247
248 static int iforce_open(struct input_dev *dev)
249 {
250 struct iforce *iforce = dev->private;
251
252 switch (iforce->bus) {
253 #ifdef CONFIG_JOYSTICK_IFORCE_USB
254 case IFORCE_USB:
255 iforce->irq->dev = iforce->usbdev;
256 if (usb_submit_urb(iforce->irq, GFP_KERNEL))
257 return -EIO;
258 break;
259 #endif
260 }
261
262 /* Enable force feedback */
263 iforce_send_packet(iforce, FF_CMD_ENABLE, "\004");
264
265 return 0;
266 }
267
268 static int iforce_flush(struct input_dev *dev, struct file *file)
269 {
270 struct iforce *iforce = dev->private;
271 int i;
272
273 /* Erase all effects this process owns */
274 for (i=0; i<dev->ff_effects_max; ++i) {
275
276 if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags) &&
277 current->pid == iforce->core_effects[i].owner) {
278
279 /* Stop effect */
280 input_report_ff(dev, i, 0);
281
282 /* Free ressources assigned to effect */
283 if (iforce_erase_effect(dev, i)) {
284 printk(KERN_WARNING "iforce_flush: erase effect %d failed\n", i);
285 }
286 }
287
288 }
289 return 0;
290 }
291
292 static void iforce_release(struct input_dev *dev)
293 {
294 struct iforce *iforce = dev->private;
295 int i;
296
297 /* Check: no effect should be present in memory */
298 for (i=0; i<dev->ff_effects_max; ++i) {
299 if (test_bit(FF_CORE_IS_USED, iforce->core_effects[i].flags))
300 break;
301 }
302 if (i<dev->ff_effects_max) {
303 printk(KERN_WARNING "iforce_release: Device still owns effects\n");
304 }
305
306 /* Disable force feedback playback */
307 iforce_send_packet(iforce, FF_CMD_ENABLE, "\001");
308
309 switch (iforce->bus) {
310 #ifdef CONFIG_JOYSTICK_IFORCE_USB
311 case IFORCE_USB:
312 usb_unlink_urb(iforce->irq);
313
314 /* The device was unplugged before the file
315 * was released */
316 if (iforce->usbdev == NULL) {
317 iforce_delete_device(iforce);
318 kfree(iforce);
319 }
320 break;
321 #endif
322 }
323 }
324
325 void iforce_delete_device(struct iforce *iforce)
326 {
327 switch (iforce->bus) {
328 #ifdef CONFIG_JOYSTICK_IFORCE_USB
329 case IFORCE_USB:
330 iforce_usb_delete(iforce);
331 break;
332 #endif
333 #ifdef CONFIG_JOYSTICK_IFORCE_232
334 case IFORCE_232:
335 //TODO: Wait for the last packets to be sent
336 break;
337 #endif
338 }
339 }
340
341 int iforce_init_device(struct iforce *iforce)
342 {
343 struct input_dev *input_dev;
344 unsigned char c[] = "CEOV";
345 int i;
346
347 input_dev = input_allocate_device();
348 if (!input_dev)
349 return -ENOMEM;
350
351 init_waitqueue_head(&iforce->wait);
352 spin_lock_init(&iforce->xmit_lock);
353 mutex_init(&iforce->mem_mutex);
354 iforce->xmit.buf = iforce->xmit_data;
355 iforce->dev = input_dev;
356
357 /*
358 * Input device fields.
359 */
360
361 switch (iforce->bus) {
362 #ifdef CONFIG_JOYSTICK_IFORCE_USB
363 case IFORCE_USB:
364 input_dev->id.bustype = BUS_USB;
365 input_dev->cdev.dev = &iforce->usbdev->dev;
366 break;
367 #endif
368 #ifdef CONFIG_JOYSTICK_IFORCE_232
369 case IFORCE_232:
370 input_dev->id.bustype = BUS_RS232;
371 input_dev->cdev.dev = &iforce->serio->dev;
372 break;
373 #endif
374 }
375
376 input_dev->private = iforce;
377 input_dev->name = "Unknown I-Force device";
378 input_dev->open = iforce_open;
379 input_dev->close = iforce_release;
380 input_dev->flush = iforce_flush;
381 input_dev->event = iforce_input_event;
382 input_dev->upload_effect = iforce_upload_effect;
383 input_dev->erase_effect = iforce_erase_effect;
384 input_dev->ff_effects_max = 10;
385
386 /*
387 * On-device memory allocation.
388 */
389
390 iforce->device_memory.name = "I-Force device effect memory";
391 iforce->device_memory.start = 0;
392 iforce->device_memory.end = 200;
393 iforce->device_memory.flags = IORESOURCE_MEM;
394 iforce->device_memory.parent = NULL;
395 iforce->device_memory.child = NULL;
396 iforce->device_memory.sibling = NULL;
397
398 /*
399 * Wait until device ready - until it sends its first response.
400 */
401
402 for (i = 0; i < 20; i++)
403 if (!iforce_get_id_packet(iforce, "O"))
404 break;
405
406 if (i == 20) { /* 5 seconds */
407 printk(KERN_ERR "iforce-main.c: Timeout waiting for response from device.\n");
408 input_free_device(input_dev);
409 return -ENODEV;
410 }
411
412 /*
413 * Get device info.
414 */
415
416 if (!iforce_get_id_packet(iforce, "M"))
417 input_dev->id.vendor = (iforce->edata[2] << 8) | iforce->edata[1];
418 else
419 printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet M\n");
420
421 if (!iforce_get_id_packet(iforce, "P"))
422 input_dev->id.product = (iforce->edata[2] << 8) | iforce->edata[1];
423 else
424 printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet P\n");
425
426 if (!iforce_get_id_packet(iforce, "B"))
427 iforce->device_memory.end = (iforce->edata[2] << 8) | iforce->edata[1];
428 else
429 printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet B\n");
430
431 if (!iforce_get_id_packet(iforce, "N"))
432 iforce->dev->ff_effects_max = iforce->edata[1];
433 else
434 printk(KERN_WARNING "iforce-main.c: Device does not respond to id packet N\n");
435
436 /* Check if the device can store more effects than the driver can really handle */
437 if (iforce->dev->ff_effects_max > FF_EFFECTS_MAX) {
438 printk(KERN_WARNING "input??: Device can handle %d effects, but N_EFFECTS_MAX is set to %d in iforce.h\n",
439 iforce->dev->ff_effects_max, FF_EFFECTS_MAX);
440 iforce->dev->ff_effects_max = FF_EFFECTS_MAX;
441 }
442
443 /*
444 * Display additional info.
445 */
446
447 for (i = 0; c[i]; i++)
448 if (!iforce_get_id_packet(iforce, c + i))
449 iforce_dump_packet("info", iforce->ecmd, iforce->edata);
450
451 /*
452 * Disable spring, enable force feedback.
453 * FIXME: We should use iforce_set_autocenter() et al here.
454 */
455
456 iforce_send_packet(iforce, FF_CMD_AUTOCENTER, "\004\000");
457
458 /*
459 * Find appropriate device entry
460 */
461
462 for (i = 0; iforce_device[i].idvendor; i++)
463 if (iforce_device[i].idvendor == input_dev->id.vendor &&
464 iforce_device[i].idproduct == input_dev->id.product)
465 break;
466
467 iforce->type = iforce_device + i;
468 input_dev->name = iforce->type->name;
469
470 /*
471 * Set input device bitfields and ranges.
472 */
473
474 input_dev->evbit[0] = BIT(EV_KEY) | BIT(EV_ABS) | BIT(EV_FF) | BIT(EV_FF_STATUS);
475
476 for (i = 0; iforce->type->btn[i] >= 0; i++) {
477 signed short t = iforce->type->btn[i];
478 set_bit(t, input_dev->keybit);
479 }
480 set_bit(BTN_DEAD, input_dev->keybit);
481
482 for (i = 0; iforce->type->abs[i] >= 0; i++) {
483
484 signed short t = iforce->type->abs[i];
485
486 switch (t) {
487
488 case ABS_X:
489 case ABS_Y:
490 case ABS_WHEEL:
491
492 input_set_abs_params(input_dev, t, -1920, 1920, 16, 128);
493 set_bit(t, input_dev->ffbit);
494 break;
495
496 case ABS_THROTTLE:
497 case ABS_GAS:
498 case ABS_BRAKE:
499
500 input_set_abs_params(input_dev, t, 0, 255, 0, 0);
501 break;
502
503 case ABS_RUDDER:
504
505 input_set_abs_params(input_dev, t, -128, 127, 0, 0);
506 break;
507
508 case ABS_HAT0X:
509 case ABS_HAT0Y:
510 case ABS_HAT1X:
511 case ABS_HAT1Y:
512
513 input_set_abs_params(input_dev, t, -1, 1, 0, 0);
514 break;
515 }
516 }
517
518 for (i = 0; iforce->type->ff[i] >= 0; i++)
519 set_bit(iforce->type->ff[i], input_dev->ffbit);
520
521 /*
522 * Register input device.
523 */
524
525 input_register_device(iforce->dev);
526
527 printk(KERN_DEBUG "iforce->dev->open = %p\n", iforce->dev->open);
528
529 return 0;
530 }
531
532 static int __init iforce_init(void)
533 {
534 #ifdef CONFIG_JOYSTICK_IFORCE_USB
535 usb_register(&iforce_usb_driver);
536 #endif
537 #ifdef CONFIG_JOYSTICK_IFORCE_232
538 serio_register_driver(&iforce_serio_drv);
539 #endif
540 return 0;
541 }
542
543 static void __exit iforce_exit(void)
544 {
545 #ifdef CONFIG_JOYSTICK_IFORCE_USB
546 usb_deregister(&iforce_usb_driver);
547 #endif
548 #ifdef CONFIG_JOYSTICK_IFORCE_232
549 serio_unregister_driver(&iforce_serio_drv);
550 #endif
551 }
552
553 module_init(iforce_init);
554 module_exit(iforce_exit);
USB Experimental Work