Lines Matching refs:joydev
35 struct joydev {
64 struct joydev *joydev;
91 struct joydev *joydev = client->joydev;
100 if (client->startup == joydev->nabs + joydev->nkey) {
115 struct joydev *joydev = handle->private;
125 event.number = joydev->keymap[code - BTN_MISC];
131 event.number = joydev->absmap[code];
133 &joydev->corr[event.number]);
134 if (event.value == joydev->abs[event.number])
136 joydev->abs[event.number] = event.value;
146 list_for_each_entry_rcu(client, &joydev->client_list, node)
150 wake_up_interruptible(&joydev->wait);
162 struct joydev *joydev = container_of(dev, struct joydev, dev);
164 input_put_device(joydev->handle.dev);
165 kfree(joydev);
168 static void joydev_attach_client(struct joydev *joydev,
171 spin_lock(&joydev->client_lock);
172 list_add_tail_rcu(&client->node, &joydev->client_list);
173 spin_unlock(&joydev->client_lock);
176 static void joydev_detach_client(struct joydev *joydev,
179 spin_lock(&joydev->client_lock);
181 spin_unlock(&joydev->client_lock);
185 static void joydev_refresh_state(struct joydev *joydev)
187 struct input_dev *dev = joydev->handle.dev;
190 for (i = 0; i < joydev->nabs; i++) {
191 val = input_abs_get_val(dev, joydev->abspam[i]);
192 joydev->abs[i] = joydev_correct(val, &joydev->corr[i]);
196 static int joydev_open_device(struct joydev *joydev)
200 retval = mutex_lock_interruptible(&joydev->mutex);
204 if (!joydev->exist)
206 else if (!joydev->open++) {
207 retval = input_open_device(&joydev->handle);
209 joydev->open--;
211 joydev_refresh_state(joydev);
214 mutex_unlock(&joydev->mutex);
218 static void joydev_close_device(struct joydev *joydev)
220 mutex_lock(&joydev->mutex);
222 if (joydev->exist && !--joydev->open)
223 input_close_device(&joydev->handle);
225 mutex_unlock(&joydev->mutex);
232 static void joydev_hangup(struct joydev *joydev)
236 spin_lock(&joydev->client_lock);
237 list_for_each_entry(client, &joydev->client_list, node)
239 spin_unlock(&joydev->client_lock);
241 wake_up_interruptible(&joydev->wait);
247 struct joydev *joydev = client->joydev;
249 joydev_detach_client(joydev, client);
252 joydev_close_device(joydev);
259 struct joydev *joydev =
260 container_of(inode->i_cdev, struct joydev, cdev);
269 client->joydev = joydev;
270 joydev_attach_client(joydev, client);
272 error = joydev_open_device(joydev);
282 joydev_detach_client(joydev, client);
291 struct joydev *joydev = client->joydev;
296 have_event = client->startup < joydev->nabs + joydev->nkey;
301 if (client->startup < joydev->nkey) {
304 event->value = !!test_bit(joydev->keypam[event->number],
308 event->number = client->startup - joydev->nkey;
309 event->value = joydev->abs[event->number];
344 struct joydev *joydev = client->joydev;
353 for (data.buttons = i = 0; i < 32 && i < joydev->nkey; i++)
355 test_bit(joydev->keypam[i], input->key) ? (1 << i) : 0;
356 data.x = (joydev->abs[0] / 256 + 128) >> joydev->glue.JS_CORR.x;
357 data.y = (joydev->abs[1] / 256 + 128) >> joydev->glue.JS_CORR.y;
377 struct joydev *joydev = client->joydev;
379 return client->startup < joydev->nabs + joydev->nkey ||
387 struct joydev *joydev = client->joydev;
388 struct input_dev *input = joydev->handle.dev;
392 if (!joydev->exist)
404 retval = wait_event_interruptible(joydev->wait,
405 !joydev->exist || joydev_data_pending(client));
409 if (!joydev->exist)
437 struct joydev *joydev = client->joydev;
439 poll_wait(file, &joydev->wait, wait);
441 (joydev->exist ? 0 : (EPOLLHUP | EPOLLERR));
444 static int joydev_handle_JSIOCSAXMAP(struct joydev *joydev,
451 len = min(len, sizeof(joydev->abspam));
458 for (i = 0; i < len && i < joydev->nabs; i++) {
465 memcpy(joydev->abspam, abspam, len);
467 for (i = 0; i < joydev->nabs; i++)
468 joydev->absmap[joydev->abspam[i]] = i;
475 static int joydev_handle_JSIOCSBTNMAP(struct joydev *joydev,
485 len = min(len, sizeof(joydev->keypam));
492 for (i = 0; i < (len / 2) && i < joydev->nkey; i++) {
499 memcpy(joydev->keypam, keypam, len);
501 for (i = 0; i < joydev->nkey; i++)
502 joydev->keymap[joydev->keypam[i] - BTN_MISC] = i;
510 static int joydev_ioctl_common(struct joydev *joydev,
513 struct input_dev *dev = joydev->handle.dev;
522 return copy_from_user(&joydev->glue.JS_CORR, argp,
523 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0;
526 return copy_to_user(argp, &joydev->glue.JS_CORR,
527 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0;
530 return get_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp);
533 return put_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp);
539 return put_user(joydev->nabs, (__u8 __user *) argp);
542 return put_user(joydev->nkey, (__u8 __user *) argp);
545 if (copy_from_user(joydev->corr, argp,
546 sizeof(joydev->corr[0]) * joydev->nabs))
549 for (i = 0; i < joydev->nabs; i++) {
550 int val = input_abs_get_val(dev, joydev->abspam[i]);
551 joydev->abs[i] = joydev_correct(val, &joydev->corr[i]);
556 return copy_to_user(argp, joydev->corr,
557 sizeof(joydev->corr[0]) * joydev->nabs) ? -EFAULT : 0;
569 return joydev_handle_JSIOCSAXMAP(joydev, argp, _IOC_SIZE(cmd));
572 len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->abspam));
573 return copy_to_user(argp, joydev->abspam, len) ? -EFAULT : len;
576 return joydev_handle_JSIOCSBTNMAP(joydev, argp, _IOC_SIZE(cmd));
579 len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->keypam));
580 return copy_to_user(argp, joydev->keypam, len) ? -EFAULT : len;
599 struct joydev *joydev = client->joydev;
605 retval = mutex_lock_interruptible(&joydev->mutex);
609 if (!joydev->exist) {
619 joydev->glue.JS_TIMELIMIT = tmp32;
623 tmp32 = joydev->glue.JS_TIMELIMIT;
631 joydev->glue.JS_TIMEOUT = ds32.JS_TIMEOUT;
632 joydev->glue.BUSY = ds32.BUSY;
633 joydev->glue.JS_EXPIRETIME = ds32.JS_EXPIRETIME;
634 joydev->glue.JS_TIMELIMIT = ds32.JS_TIMELIMIT;
635 joydev->glue.JS_SAVE = ds32.JS_SAVE;
636 joydev->glue.JS_CORR = ds32.JS_CORR;
641 ds32.JS_TIMEOUT = joydev->glue.JS_TIMEOUT;
642 ds32.BUSY = joydev->glue.BUSY;
643 ds32.JS_EXPIRETIME = joydev->glue.JS_EXPIRETIME;
644 ds32.JS_TIMELIMIT = joydev->glue.JS_TIMELIMIT;
645 ds32.JS_SAVE = joydev->glue.JS_SAVE;
646 ds32.JS_CORR = joydev->glue.JS_CORR;
652 retval = joydev_ioctl_common(joydev, cmd, argp);
657 mutex_unlock(&joydev->mutex);
666 struct joydev *joydev = client->joydev;
670 retval = mutex_lock_interruptible(&joydev->mutex);
674 if (!joydev->exist) {
682 retval = get_user(joydev->glue.JS_TIMELIMIT,
687 retval = put_user(joydev->glue.JS_TIMELIMIT,
692 retval = copy_from_user(&joydev->glue, argp,
693 sizeof(joydev->glue)) ? -EFAULT : 0;
697 retval = copy_to_user(argp, &joydev->glue,
698 sizeof(joydev->glue)) ? -EFAULT : 0;
702 retval = joydev_ioctl_common(joydev, cmd, argp);
706 mutex_unlock(&joydev->mutex);
729 static void joydev_mark_dead(struct joydev *joydev)
731 mutex_lock(&joydev->mutex);
732 joydev->exist = false;
733 mutex_unlock(&joydev->mutex);
736 static void joydev_cleanup(struct joydev *joydev)
738 struct input_handle *handle = &joydev->handle;
740 joydev_mark_dead(joydev);
741 joydev_hangup(joydev);
743 /* joydev is marked dead so no one else accesses joydev->open */
744 if (joydev->open)
812 "joydev: blacklisting '%s'\n", dev->name);
833 * primary button events. This clashes with what joydev
914 struct joydev *joydev;
925 joydev = kzalloc(sizeof(struct joydev), GFP_KERNEL);
926 if (!joydev) {
931 INIT_LIST_HEAD(&joydev->client_list);
932 spin_lock_init(&joydev->client_lock);
933 mutex_init(&joydev->mutex);
934 init_waitqueue_head(&joydev->wait);
935 joydev->exist = true;
941 dev_set_name(&joydev->dev, "js%d", dev_no);
943 joydev->handle.dev = input_get_device(dev);
944 joydev->handle.name = dev_name(&joydev->dev);
945 joydev->handle.handler = handler;
946 joydev->handle.private = joydev;
949 joydev->absmap[i] = joydev->nabs;
950 joydev->abspam[joydev->nabs] = i;
951 joydev->nabs++;
956 joydev->keymap[i] = joydev->nkey;
957 joydev->keypam[joydev->nkey] = i + BTN_MISC;
958 joydev->nkey++;
963 joydev->keymap[i] = joydev->nkey;
964 joydev->keypam[joydev->nkey] = i + BTN_MISC;
965 joydev->nkey++;
968 for (i = 0; i < joydev->nabs; i++) {
969 j = joydev->abspam[i];
971 joydev->corr[i].type = JS_CORR_NONE;
974 joydev->corr[i].type = JS_CORR_BROKEN;
975 joydev->corr[i].prec = input_abs_get_fuzz(dev, j);
978 joydev->corr[i].coef[0] = t - input_abs_get_flat(dev, j);
979 joydev->corr[i].coef[1] = t + input_abs_get_flat(dev, j);
984 joydev->corr[i].coef[2] = (1 << 29) / t;
985 joydev->corr[i].coef[3] = (1 << 29) / t;
989 joydev->dev.devt = MKDEV(INPUT_MAJOR, minor);
990 joydev->dev.class = &input_class;
991 joydev->dev.parent = &dev->dev;
992 joydev->dev.release = joydev_free;
993 device_initialize(&joydev->dev);
995 error = input_register_handle(&joydev->handle);
999 cdev_init(&joydev->cdev, &joydev_fops);
1001 error = cdev_device_add(&joydev->cdev, &joydev->dev);
1008 joydev_cleanup(joydev);
1009 input_unregister_handle(&joydev->handle);
1011 put_device(&joydev->dev);
1019 struct joydev *joydev = handle->private;
1021 cdev_device_del(&joydev->cdev, &joydev->dev);
1022 joydev_cleanup(joydev);
1023 input_free_minor(MINOR(joydev->dev.devt));
1025 put_device(&joydev->dev);
1083 .name = "joydev",