Lines Matching refs:joydev
36 struct joydev {
65 struct joydev *joydev;
92 struct joydev *joydev = client->joydev;
101 if (client->startup == joydev->nabs + joydev->nkey) {
116 struct joydev *joydev = handle->private;
126 event.number = joydev->keymap[code - BTN_MISC];
132 event.number = joydev->absmap[code];
134 &joydev->corr[event.number]);
135 if (event.value == joydev->abs[event.number])
137 joydev->abs[event.number] = event.value;
147 list_for_each_entry_rcu(client, &joydev->client_list, node)
151 wake_up_interruptible(&joydev->wait);
163 struct joydev *joydev = container_of(dev, struct joydev, dev);
165 input_put_device(joydev->handle.dev);
166 kfree(joydev);
169 static void joydev_attach_client(struct joydev *joydev,
172 spin_lock(&joydev->client_lock);
173 list_add_tail_rcu(&client->node, &joydev->client_list);
174 spin_unlock(&joydev->client_lock);
177 static void joydev_detach_client(struct joydev *joydev,
180 spin_lock(&joydev->client_lock);
182 spin_unlock(&joydev->client_lock);
186 static void joydev_refresh_state(struct joydev *joydev)
188 struct input_dev *dev = joydev->handle.dev;
191 for (i = 0; i < joydev->nabs; i++) {
192 val = input_abs_get_val(dev, joydev->abspam[i]);
193 joydev->abs[i] = joydev_correct(val, &joydev->corr[i]);
197 static int joydev_open_device(struct joydev *joydev)
201 retval = mutex_lock_interruptible(&joydev->mutex);
205 if (!joydev->exist)
207 else if (!joydev->open++) {
208 retval = input_open_device(&joydev->handle);
210 joydev->open--;
212 joydev_refresh_state(joydev);
215 mutex_unlock(&joydev->mutex);
219 static void joydev_close_device(struct joydev *joydev)
221 mutex_lock(&joydev->mutex);
223 if (joydev->exist && !--joydev->open)
224 input_close_device(&joydev->handle);
226 mutex_unlock(&joydev->mutex);
233 static void joydev_hangup(struct joydev *joydev)
237 spin_lock(&joydev->client_lock);
238 list_for_each_entry(client, &joydev->client_list, node)
240 spin_unlock(&joydev->client_lock);
242 wake_up_interruptible(&joydev->wait);
248 struct joydev *joydev = client->joydev;
250 joydev_detach_client(joydev, client);
253 joydev_close_device(joydev);
260 struct joydev *joydev =
261 container_of(inode->i_cdev, struct joydev, cdev);
270 client->joydev = joydev;
271 joydev_attach_client(joydev, client);
273 error = joydev_open_device(joydev);
283 joydev_detach_client(joydev, client);
292 struct joydev *joydev = client->joydev;
297 have_event = client->startup < joydev->nabs + joydev->nkey;
302 if (client->startup < joydev->nkey) {
305 event->value = !!test_bit(joydev->keypam[event->number],
309 event->number = client->startup - joydev->nkey;
310 event->value = joydev->abs[event->number];
345 struct joydev *joydev = client->joydev;
354 for (data.buttons = i = 0; i < 32 && i < joydev->nkey; i++)
356 test_bit(joydev->keypam[i], input->key) ? (1 << i) : 0;
357 data.x = (joydev->abs[0] / 256 + 128) >> joydev->glue.JS_CORR.x;
358 data.y = (joydev->abs[1] / 256 + 128) >> joydev->glue.JS_CORR.y;
378 struct joydev *joydev = client->joydev;
380 return client->startup < joydev->nabs + joydev->nkey ||
388 struct joydev *joydev = client->joydev;
389 struct input_dev *input = joydev->handle.dev;
393 if (!joydev->exist)
405 retval = wait_event_interruptible(joydev->wait,
406 !joydev->exist || joydev_data_pending(client));
410 if (!joydev->exist)
438 struct joydev *joydev = client->joydev;
440 poll_wait(file, &joydev->wait, wait);
442 (joydev->exist ? 0 : (EPOLLHUP | EPOLLERR));
445 static int joydev_handle_JSIOCSAXMAP(struct joydev *joydev,
452 len = min(len, sizeof(joydev->abspam));
459 for (i = 0; i < len && i < joydev->nabs; i++) {
466 memcpy(joydev->abspam, abspam, len);
468 for (i = 0; i < joydev->nabs; i++)
469 joydev->absmap[joydev->abspam[i]] = i;
476 static int joydev_handle_JSIOCSBTNMAP(struct joydev *joydev,
486 len = min(len, sizeof(joydev->keypam));
493 for (i = 0; i < (len / 2) && i < joydev->nkey; i++) {
500 memcpy(joydev->keypam, keypam, len);
502 for (i = 0; i < joydev->nkey; i++)
503 joydev->keymap[joydev->keypam[i] - BTN_MISC] = i;
511 static int joydev_ioctl_common(struct joydev *joydev,
514 struct input_dev *dev = joydev->handle.dev;
523 return copy_from_user(&joydev->glue.JS_CORR, argp,
524 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0;
527 return copy_to_user(argp, &joydev->glue.JS_CORR,
528 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0;
531 return get_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp);
534 return put_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp);
540 return put_user(joydev->nabs, (__u8 __user *) argp);
543 return put_user(joydev->nkey, (__u8 __user *) argp);
546 if (copy_from_user(joydev->corr, argp,
547 sizeof(joydev->corr[0]) * joydev->nabs))
550 for (i = 0; i < joydev->nabs; i++) {
551 int val = input_abs_get_val(dev, joydev->abspam[i]);
552 joydev->abs[i] = joydev_correct(val, &joydev->corr[i]);
557 return copy_to_user(argp, joydev->corr,
558 sizeof(joydev->corr[0]) * joydev->nabs) ? -EFAULT : 0;
570 return joydev_handle_JSIOCSAXMAP(joydev, argp, _IOC_SIZE(cmd));
573 len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->abspam));
574 return copy_to_user(argp, joydev->abspam, len) ? -EFAULT : len;
577 return joydev_handle_JSIOCSBTNMAP(joydev, argp, _IOC_SIZE(cmd));
580 len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->keypam));
581 return copy_to_user(argp, joydev->keypam, len) ? -EFAULT : len;
600 struct joydev *joydev = client->joydev;
606 retval = mutex_lock_interruptible(&joydev->mutex);
610 if (!joydev->exist) {
620 joydev->glue.JS_TIMELIMIT = tmp32;
624 tmp32 = joydev->glue.JS_TIMELIMIT;
632 joydev->glue.JS_TIMEOUT = ds32.JS_TIMEOUT;
633 joydev->glue.BUSY = ds32.BUSY;
634 joydev->glue.JS_EXPIRETIME = ds32.JS_EXPIRETIME;
635 joydev->glue.JS_TIMELIMIT = ds32.JS_TIMELIMIT;
636 joydev->glue.JS_SAVE = ds32.JS_SAVE;
637 joydev->glue.JS_CORR = ds32.JS_CORR;
642 ds32.JS_TIMEOUT = joydev->glue.JS_TIMEOUT;
643 ds32.BUSY = joydev->glue.BUSY;
644 ds32.JS_EXPIRETIME = joydev->glue.JS_EXPIRETIME;
645 ds32.JS_TIMELIMIT = joydev->glue.JS_TIMELIMIT;
646 ds32.JS_SAVE = joydev->glue.JS_SAVE;
647 ds32.JS_CORR = joydev->glue.JS_CORR;
653 retval = joydev_ioctl_common(joydev, cmd, argp);
658 mutex_unlock(&joydev->mutex);
667 struct joydev *joydev = client->joydev;
671 retval = mutex_lock_interruptible(&joydev->mutex);
675 if (!joydev->exist) {
683 retval = get_user(joydev->glue.JS_TIMELIMIT,
688 retval = put_user(joydev->glue.JS_TIMELIMIT,
693 retval = copy_from_user(&joydev->glue, argp,
694 sizeof(joydev->glue)) ? -EFAULT : 0;
698 retval = copy_to_user(argp, &joydev->glue,
699 sizeof(joydev->glue)) ? -EFAULT : 0;
703 retval = joydev_ioctl_common(joydev, cmd, argp);
707 mutex_unlock(&joydev->mutex);
730 static void joydev_mark_dead(struct joydev *joydev)
732 mutex_lock(&joydev->mutex);
733 joydev->exist = false;
734 mutex_unlock(&joydev->mutex);
737 static void joydev_cleanup(struct joydev *joydev)
739 struct input_handle *handle = &joydev->handle;
741 joydev_mark_dead(joydev);
742 joydev_hangup(joydev);
744 /* joydev is marked dead so no one else accesses joydev->open */
745 if (joydev->open)
803 "joydev: blacklisting '%s'\n", dev->name);
824 * primary button events. This clashes with what joydev
905 struct joydev *joydev;
916 joydev = kzalloc(sizeof(struct joydev), GFP_KERNEL);
917 if (!joydev) {
922 INIT_LIST_HEAD(&joydev->client_list);
923 spin_lock_init(&joydev->client_lock);
924 mutex_init(&joydev->mutex);
925 init_waitqueue_head(&joydev->wait);
926 joydev->exist = true;
932 dev_set_name(&joydev->dev, "js%d", dev_no);
934 joydev->handle.dev = input_get_device(dev);
935 joydev->handle.name = dev_name(&joydev->dev);
936 joydev->handle.handler = handler;
937 joydev->handle.private = joydev;
940 joydev->absmap[i] = joydev->nabs;
941 joydev->abspam[joydev->nabs] = i;
942 joydev->nabs++;
947 joydev->keymap[i] = joydev->nkey;
948 joydev->keypam[joydev->nkey] = i + BTN_MISC;
949 joydev->nkey++;
954 joydev->keymap[i] = joydev->nkey;
955 joydev->keypam[joydev->nkey] = i + BTN_MISC;
956 joydev->nkey++;
959 for (i = 0; i < joydev->nabs; i++) {
960 j = joydev->abspam[i];
962 joydev->corr[i].type = JS_CORR_NONE;
965 joydev->corr[i].type = JS_CORR_BROKEN;
966 joydev->corr[i].prec = input_abs_get_fuzz(dev, j);
969 joydev->corr[i].coef[0] = t - input_abs_get_flat(dev, j);
970 joydev->corr[i].coef[1] = t + input_abs_get_flat(dev, j);
975 joydev->corr[i].coef[2] = (1 << 29) / t;
976 joydev->corr[i].coef[3] = (1 << 29) / t;
980 joydev->dev.devt = MKDEV(INPUT_MAJOR, minor);
981 joydev->dev.class = &input_class;
982 joydev->dev.parent = &dev->dev;
983 joydev->dev.release = joydev_free;
984 device_initialize(&joydev->dev);
986 error = input_register_handle(&joydev->handle);
990 cdev_init(&joydev->cdev, &joydev_fops);
992 error = cdev_device_add(&joydev->cdev, &joydev->dev);
999 joydev_cleanup(joydev);
1000 input_unregister_handle(&joydev->handle);
1002 put_device(&joydev->dev);
1010 struct joydev *joydev = handle->private;
1012 cdev_device_del(&joydev->cdev, &joydev->dev);
1013 joydev_cleanup(joydev);
1014 input_free_minor(MINOR(joydev->dev.devt));
1016 put_device(&joydev->dev);
1074 .name = "joydev",