Lines Matching refs:joydev
40 struct joydev { struct
69 struct joydev *joydev; argument
96 struct joydev *joydev = client->joydev; in joydev_pass_event() local
105 if (client->startup == joydev->nabs + joydev->nkey) { in joydev_pass_event()
120 struct joydev *joydev = handle->private; in joydev_event() local
130 event.number = joydev->keymap[code - BTN_MISC]; in joydev_event()
136 event.number = joydev->absmap[code]; in joydev_event()
138 &joydev->corr[event.number]); in joydev_event()
139 if (event.value == joydev->abs[event.number]) in joydev_event()
141 joydev->abs[event.number] = event.value; in joydev_event()
151 list_for_each_entry_rcu(client, &joydev->client_list, node) in joydev_event()
155 wake_up_interruptible(&joydev->wait); in joydev_event()
167 struct joydev *joydev = container_of(dev, struct joydev, dev); in joydev_free() local
169 input_put_device(joydev->handle.dev); in joydev_free()
170 kfree(joydev); in joydev_free()
173 static void joydev_attach_client(struct joydev *joydev, in joydev_attach_client() argument
176 spin_lock(&joydev->client_lock); in joydev_attach_client()
177 list_add_tail_rcu(&client->node, &joydev->client_list); in joydev_attach_client()
178 spin_unlock(&joydev->client_lock); in joydev_attach_client()
181 static void joydev_detach_client(struct joydev *joydev, in joydev_detach_client() argument
184 spin_lock(&joydev->client_lock); in joydev_detach_client()
186 spin_unlock(&joydev->client_lock); in joydev_detach_client()
190 static void joydev_refresh_state(struct joydev *joydev) in joydev_refresh_state() argument
192 struct input_dev *dev = joydev->handle.dev; in joydev_refresh_state()
195 for (i = 0; i < joydev->nabs; i++) { in joydev_refresh_state()
196 val = input_abs_get_val(dev, joydev->abspam[i]); in joydev_refresh_state()
197 joydev->abs[i] = joydev_correct(val, &joydev->corr[i]); in joydev_refresh_state()
201 static int joydev_open_device(struct joydev *joydev) in joydev_open_device() argument
205 retval = mutex_lock_interruptible(&joydev->mutex); in joydev_open_device()
209 if (!joydev->exist) in joydev_open_device()
211 else if (!joydev->open++) { in joydev_open_device()
212 retval = input_open_device(&joydev->handle); in joydev_open_device()
214 joydev->open--; in joydev_open_device()
216 joydev_refresh_state(joydev); in joydev_open_device()
219 mutex_unlock(&joydev->mutex); in joydev_open_device()
223 static void joydev_close_device(struct joydev *joydev) in joydev_close_device() argument
225 mutex_lock(&joydev->mutex); in joydev_close_device()
227 if (joydev->exist && !--joydev->open) in joydev_close_device()
228 input_close_device(&joydev->handle); in joydev_close_device()
230 mutex_unlock(&joydev->mutex); in joydev_close_device()
237 static void joydev_hangup(struct joydev *joydev) in joydev_hangup() argument
241 spin_lock(&joydev->client_lock); in joydev_hangup()
242 list_for_each_entry(client, &joydev->client_list, node) in joydev_hangup()
244 spin_unlock(&joydev->client_lock); in joydev_hangup()
246 wake_up_interruptible(&joydev->wait); in joydev_hangup()
252 struct joydev *joydev = client->joydev; in joydev_release() local
254 joydev_detach_client(joydev, client); in joydev_release()
257 joydev_close_device(joydev); in joydev_release()
264 struct joydev *joydev = in joydev_open() local
265 container_of(inode->i_cdev, struct joydev, cdev); in joydev_open()
274 client->joydev = joydev; in joydev_open()
275 joydev_attach_client(joydev, client); in joydev_open()
277 error = joydev_open_device(joydev); in joydev_open()
287 joydev_detach_client(joydev, client); in joydev_open()
296 struct joydev *joydev = client->joydev; in joydev_generate_startup_event() local
301 have_event = client->startup < joydev->nabs + joydev->nkey; in joydev_generate_startup_event()
306 if (client->startup < joydev->nkey) { in joydev_generate_startup_event()
309 event->value = !!test_bit(joydev->keypam[event->number], in joydev_generate_startup_event()
313 event->number = client->startup - joydev->nkey; in joydev_generate_startup_event()
314 event->value = joydev->abs[event->number]; in joydev_generate_startup_event()
349 struct joydev *joydev = client->joydev; in joydev_0x_read() local
358 for (data.buttons = i = 0; i < 32 && i < joydev->nkey; i++) in joydev_0x_read()
360 test_bit(joydev->keypam[i], input->key) ? (1 << i) : 0; in joydev_0x_read()
361 data.x = (joydev->abs[0] / 256 + 128) >> joydev->glue.JS_CORR.x; in joydev_0x_read()
362 data.y = (joydev->abs[1] / 256 + 128) >> joydev->glue.JS_CORR.y; in joydev_0x_read()
382 struct joydev *joydev = client->joydev; in joydev_data_pending() local
384 return client->startup < joydev->nabs + joydev->nkey || in joydev_data_pending()
392 struct joydev *joydev = client->joydev; in joydev_read() local
393 struct input_dev *input = joydev->handle.dev; in joydev_read()
397 if (!joydev->exist) in joydev_read()
409 retval = wait_event_interruptible(joydev->wait, in joydev_read()
410 !joydev->exist || joydev_data_pending(client)); in joydev_read()
414 if (!joydev->exist) in joydev_read()
442 struct joydev *joydev = client->joydev; in joydev_poll() local
444 poll_wait(file, &joydev->wait, wait); in joydev_poll()
446 (joydev->exist ? 0 : (EPOLLHUP | EPOLLERR)); in joydev_poll()
449 static int joydev_handle_JSIOCSAXMAP(struct joydev *joydev, in joydev_handle_JSIOCSAXMAP() argument
456 len = min(len, sizeof(joydev->abspam)); in joydev_handle_JSIOCSAXMAP()
463 for (i = 0; i < joydev->nabs; i++) { in joydev_handle_JSIOCSAXMAP()
470 memcpy(joydev->abspam, abspam, len); in joydev_handle_JSIOCSAXMAP()
472 for (i = 0; i < joydev->nabs; i++) in joydev_handle_JSIOCSAXMAP()
473 joydev->absmap[joydev->abspam[i]] = i; in joydev_handle_JSIOCSAXMAP()
480 static int joydev_handle_JSIOCSBTNMAP(struct joydev *joydev, in joydev_handle_JSIOCSBTNMAP() argument
487 len = min(len, sizeof(joydev->keypam)); in joydev_handle_JSIOCSBTNMAP()
494 for (i = 0; i < joydev->nkey; i++) { in joydev_handle_JSIOCSBTNMAP()
501 memcpy(joydev->keypam, keypam, len); in joydev_handle_JSIOCSBTNMAP()
503 for (i = 0; i < joydev->nkey; i++) in joydev_handle_JSIOCSBTNMAP()
504 joydev->keymap[keypam[i] - BTN_MISC] = i; in joydev_handle_JSIOCSBTNMAP()
512 static int joydev_ioctl_common(struct joydev *joydev, in joydev_ioctl_common() argument
515 struct input_dev *dev = joydev->handle.dev; in joydev_ioctl_common()
524 return copy_from_user(&joydev->glue.JS_CORR, argp, in joydev_ioctl_common()
525 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0; in joydev_ioctl_common()
528 return copy_to_user(argp, &joydev->glue.JS_CORR, in joydev_ioctl_common()
529 sizeof(joydev->glue.JS_CORR)) ? -EFAULT : 0; in joydev_ioctl_common()
532 return get_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp); in joydev_ioctl_common()
535 return put_user(joydev->glue.JS_TIMEOUT, (s32 __user *) argp); in joydev_ioctl_common()
541 return put_user(joydev->nabs, (__u8 __user *) argp); in joydev_ioctl_common()
544 return put_user(joydev->nkey, (__u8 __user *) argp); in joydev_ioctl_common()
547 if (copy_from_user(joydev->corr, argp, in joydev_ioctl_common()
548 sizeof(joydev->corr[0]) * joydev->nabs)) in joydev_ioctl_common()
551 for (i = 0; i < joydev->nabs; i++) { in joydev_ioctl_common()
552 int val = input_abs_get_val(dev, joydev->abspam[i]); in joydev_ioctl_common()
553 joydev->abs[i] = joydev_correct(val, &joydev->corr[i]); in joydev_ioctl_common()
558 return copy_to_user(argp, joydev->corr, in joydev_ioctl_common()
559 sizeof(joydev->corr[0]) * joydev->nabs) ? -EFAULT : 0; in joydev_ioctl_common()
571 return joydev_handle_JSIOCSAXMAP(joydev, argp, _IOC_SIZE(cmd)); in joydev_ioctl_common()
574 len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->abspam)); in joydev_ioctl_common()
575 return copy_to_user(argp, joydev->abspam, len) ? -EFAULT : len; in joydev_ioctl_common()
578 return joydev_handle_JSIOCSBTNMAP(joydev, argp, _IOC_SIZE(cmd)); in joydev_ioctl_common()
581 len = min_t(size_t, _IOC_SIZE(cmd), sizeof(joydev->keypam)); in joydev_ioctl_common()
582 return copy_to_user(argp, joydev->keypam, len) ? -EFAULT : len; in joydev_ioctl_common()
601 struct joydev *joydev = client->joydev; in joydev_compat_ioctl() local
607 retval = mutex_lock_interruptible(&joydev->mutex); in joydev_compat_ioctl()
611 if (!joydev->exist) { in joydev_compat_ioctl()
621 joydev->glue.JS_TIMELIMIT = tmp32; in joydev_compat_ioctl()
625 tmp32 = joydev->glue.JS_TIMELIMIT; in joydev_compat_ioctl()
633 joydev->glue.JS_TIMEOUT = ds32.JS_TIMEOUT; in joydev_compat_ioctl()
634 joydev->glue.BUSY = ds32.BUSY; in joydev_compat_ioctl()
635 joydev->glue.JS_EXPIRETIME = ds32.JS_EXPIRETIME; in joydev_compat_ioctl()
636 joydev->glue.JS_TIMELIMIT = ds32.JS_TIMELIMIT; in joydev_compat_ioctl()
637 joydev->glue.JS_SAVE = ds32.JS_SAVE; in joydev_compat_ioctl()
638 joydev->glue.JS_CORR = ds32.JS_CORR; in joydev_compat_ioctl()
643 ds32.JS_TIMEOUT = joydev->glue.JS_TIMEOUT; in joydev_compat_ioctl()
644 ds32.BUSY = joydev->glue.BUSY; in joydev_compat_ioctl()
645 ds32.JS_EXPIRETIME = joydev->glue.JS_EXPIRETIME; in joydev_compat_ioctl()
646 ds32.JS_TIMELIMIT = joydev->glue.JS_TIMELIMIT; in joydev_compat_ioctl()
647 ds32.JS_SAVE = joydev->glue.JS_SAVE; in joydev_compat_ioctl()
648 ds32.JS_CORR = joydev->glue.JS_CORR; in joydev_compat_ioctl()
654 retval = joydev_ioctl_common(joydev, cmd, argp); in joydev_compat_ioctl()
659 mutex_unlock(&joydev->mutex); in joydev_compat_ioctl()
668 struct joydev *joydev = client->joydev; in joydev_ioctl() local
672 retval = mutex_lock_interruptible(&joydev->mutex); in joydev_ioctl()
676 if (!joydev->exist) { in joydev_ioctl()
684 retval = get_user(joydev->glue.JS_TIMELIMIT, in joydev_ioctl()
689 retval = put_user(joydev->glue.JS_TIMELIMIT, in joydev_ioctl()
694 retval = copy_from_user(&joydev->glue, argp, in joydev_ioctl()
695 sizeof(joydev->glue)) ? -EFAULT : 0; in joydev_ioctl()
699 retval = copy_to_user(argp, &joydev->glue, in joydev_ioctl()
700 sizeof(joydev->glue)) ? -EFAULT : 0; in joydev_ioctl()
704 retval = joydev_ioctl_common(joydev, cmd, argp); in joydev_ioctl()
708 mutex_unlock(&joydev->mutex); in joydev_ioctl()
731 static void joydev_mark_dead(struct joydev *joydev) in joydev_mark_dead() argument
733 mutex_lock(&joydev->mutex); in joydev_mark_dead()
734 joydev->exist = false; in joydev_mark_dead()
735 mutex_unlock(&joydev->mutex); in joydev_mark_dead()
738 static void joydev_cleanup(struct joydev *joydev) in joydev_cleanup() argument
740 struct input_handle *handle = &joydev->handle; in joydev_cleanup()
742 joydev_mark_dead(joydev); in joydev_cleanup()
743 joydev_hangup(joydev); in joydev_cleanup()
746 if (joydev->open) in joydev_cleanup()
886 struct joydev *joydev; in joydev_connect() local
897 joydev = kzalloc(sizeof(struct joydev), GFP_KERNEL); in joydev_connect()
898 if (!joydev) { in joydev_connect()
903 INIT_LIST_HEAD(&joydev->client_list); in joydev_connect()
904 spin_lock_init(&joydev->client_lock); in joydev_connect()
905 mutex_init(&joydev->mutex); in joydev_connect()
906 init_waitqueue_head(&joydev->wait); in joydev_connect()
907 joydev->exist = true; in joydev_connect()
913 dev_set_name(&joydev->dev, "js%d", dev_no); in joydev_connect()
915 joydev->handle.dev = input_get_device(dev); in joydev_connect()
916 joydev->handle.name = dev_name(&joydev->dev); in joydev_connect()
917 joydev->handle.handler = handler; in joydev_connect()
918 joydev->handle.private = joydev; in joydev_connect()
921 joydev->absmap[i] = joydev->nabs; in joydev_connect()
922 joydev->abspam[joydev->nabs] = i; in joydev_connect()
923 joydev->nabs++; in joydev_connect()
928 joydev->keymap[i] = joydev->nkey; in joydev_connect()
929 joydev->keypam[joydev->nkey] = i + BTN_MISC; in joydev_connect()
930 joydev->nkey++; in joydev_connect()
935 joydev->keymap[i] = joydev->nkey; in joydev_connect()
936 joydev->keypam[joydev->nkey] = i + BTN_MISC; in joydev_connect()
937 joydev->nkey++; in joydev_connect()
940 for (i = 0; i < joydev->nabs; i++) { in joydev_connect()
941 j = joydev->abspam[i]; in joydev_connect()
943 joydev->corr[i].type = JS_CORR_NONE; in joydev_connect()
946 joydev->corr[i].type = JS_CORR_BROKEN; in joydev_connect()
947 joydev->corr[i].prec = input_abs_get_fuzz(dev, j); in joydev_connect()
950 joydev->corr[i].coef[0] = t - input_abs_get_flat(dev, j); in joydev_connect()
951 joydev->corr[i].coef[1] = t + input_abs_get_flat(dev, j); in joydev_connect()
956 joydev->corr[i].coef[2] = (1 << 29) / t; in joydev_connect()
957 joydev->corr[i].coef[3] = (1 << 29) / t; in joydev_connect()
961 joydev->dev.devt = MKDEV(INPUT_MAJOR, minor); in joydev_connect()
962 joydev->dev.class = &input_class; in joydev_connect()
963 joydev->dev.parent = &dev->dev; in joydev_connect()
964 joydev->dev.release = joydev_free; in joydev_connect()
965 device_initialize(&joydev->dev); in joydev_connect()
967 error = input_register_handle(&joydev->handle); in joydev_connect()
971 cdev_init(&joydev->cdev, &joydev_fops); in joydev_connect()
973 error = cdev_device_add(&joydev->cdev, &joydev->dev); in joydev_connect()
980 joydev_cleanup(joydev); in joydev_connect()
981 input_unregister_handle(&joydev->handle); in joydev_connect()
983 put_device(&joydev->dev); in joydev_connect()
991 struct joydev *joydev = handle->private; in joydev_disconnect() local
993 cdev_device_del(&joydev->cdev, &joydev->dev); in joydev_disconnect()
994 joydev_cleanup(joydev); in joydev_disconnect()
995 input_free_minor(MINOR(joydev->dev.devt)); in joydev_disconnect()
997 put_device(&joydev->dev); in joydev_disconnect()