Lines Matching +full:abs +full:- +full:flat
4 * Copyright (c) 1999-2002 Vojtech Pavlik
30 #include "input-compat.h"
62 if (value > old_val - fuzz / 2 && value < old_val + fuzz / 2) in input_defuzz_abs_event()
65 if (value > old_val - fuzz && value < old_val + fuzz) in input_defuzz_abs_event()
68 if (value > old_val - fuzz * 2 && value < old_val + fuzz * 2) in input_defuzz_abs_event()
77 if (test_bit(EV_REP, dev->evbit) && in input_start_autorepeat()
78 dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] && in input_start_autorepeat()
79 dev->timer.function) { in input_start_autorepeat()
80 dev->repeat_key = code; in input_start_autorepeat()
81 mod_timer(&dev->timer, in input_start_autorepeat()
82 jiffies + msecs_to_jiffies(dev->rep[REP_DELAY])); in input_start_autorepeat()
88 del_timer(&dev->timer); in input_stop_autorepeat()
94 * dev->event_lock held and interrupts disabled.
99 struct input_handler *handler = handle->handler; in input_to_handler()
103 if (handler->filter) { in input_to_handler()
105 if (handler->filter(handle, v->type, v->code, v->value)) in input_to_handler()
111 count = end - vals; in input_to_handler()
117 if (handler->events) in input_to_handler()
118 handler->events(handle, vals, count); in input_to_handler()
119 else if (handler->event) in input_to_handler()
121 handler->event(handle, v->type, v->code, v->value); in input_to_handler()
129 * dev->event_lock held and interrupts disabled.
142 handle = rcu_dereference(dev->grab); in input_pass_values()
146 list_for_each_entry_rcu(handle, &dev->h_list, d_node) in input_pass_values()
147 if (handle->open) { in input_pass_values()
157 if (test_bit(EV_REP, dev->evbit) && test_bit(EV_KEY, dev->evbit)) { in input_pass_values()
159 if (v->type == EV_KEY && v->value != 2) { in input_pass_values()
160 if (v->value) in input_pass_values()
161 input_start_autorepeat(dev, v->code); in input_pass_values()
179 * dev->event_lock here to avoid racing with input_event
187 spin_lock_irqsave(&dev->event_lock, flags); in input_repeat_key()
189 if (test_bit(dev->repeat_key, dev->key) && in input_repeat_key()
190 is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) { in input_repeat_key()
192 { EV_KEY, dev->repeat_key, 2 }, in input_repeat_key()
198 if (dev->rep[REP_PERIOD]) in input_repeat_key()
199 mod_timer(&dev->timer, jiffies + in input_repeat_key()
200 msecs_to_jiffies(dev->rep[REP_PERIOD])); in input_repeat_key()
203 spin_unlock_irqrestore(&dev->event_lock, flags); in input_repeat_key()
216 struct input_mt *mt = dev->mt; in input_handle_abs_event()
225 if (mt && *pval >= 0 && *pval < mt->num_slots) in input_handle_abs_event()
226 mt->slot = *pval; in input_handle_abs_event()
234 pold = &dev->absinfo[code].value; in input_handle_abs_event()
236 pold = &mt->slots[mt->slot].abs[code - ABS_MT_FIRST]; in input_handle_abs_event()
239 * Bypass filtering for multi-touch events when in input_handle_abs_event()
247 dev->absinfo[code].fuzz); in input_handle_abs_event()
255 if (is_mt_event && mt && mt->slot != input_abs_get_val(dev, ABS_MT_SLOT)) { in input_handle_abs_event()
256 input_abs_set_val(dev, ABS_MT_SLOT, mt->slot); in input_handle_abs_event()
287 if (is_event_supported(code, dev->keybit, KEY_MAX)) { in input_get_disposition()
289 /* auto-repeat bypasses state updates */ in input_get_disposition()
295 if (!!test_bit(code, dev->key) != !!value) { in input_get_disposition()
297 __change_bit(code, dev->key); in input_get_disposition()
304 if (is_event_supported(code, dev->swbit, SW_MAX) && in input_get_disposition()
305 !!test_bit(code, dev->sw) != !!value) { in input_get_disposition()
307 __change_bit(code, dev->sw); in input_get_disposition()
313 if (is_event_supported(code, dev->absbit, ABS_MAX)) in input_get_disposition()
319 if (is_event_supported(code, dev->relbit, REL_MAX) && value) in input_get_disposition()
325 if (is_event_supported(code, dev->mscbit, MSC_MAX)) in input_get_disposition()
331 if (is_event_supported(code, dev->ledbit, LED_MAX) && in input_get_disposition()
332 !!test_bit(code, dev->led) != !!value) { in input_get_disposition()
334 __change_bit(code, dev->led); in input_get_disposition()
340 if (is_event_supported(code, dev->sndbit, SND_MAX)) { in input_get_disposition()
342 if (!!test_bit(code, dev->snd) != !!value) in input_get_disposition()
343 __change_bit(code, dev->snd); in input_get_disposition()
349 if (code <= REP_MAX && value >= 0 && dev->rep[code] != value) { in input_get_disposition()
350 dev->rep[code] = value; in input_get_disposition()
377 if ((disposition & INPUT_PASS_TO_DEVICE) && dev->event) in input_handle_event()
378 dev->event(dev, type, code, value); in input_handle_event()
380 if (!dev->vals) in input_handle_event()
387 v = &dev->vals[dev->num_vals++]; in input_handle_event()
388 v->type = EV_ABS; in input_handle_event()
389 v->code = ABS_MT_SLOT; in input_handle_event()
390 v->value = dev->mt->slot; in input_handle_event()
393 v = &dev->vals[dev->num_vals++]; in input_handle_event()
394 v->type = type; in input_handle_event()
395 v->code = code; in input_handle_event()
396 v->value = value; in input_handle_event()
400 if (dev->num_vals >= 2) in input_handle_event()
401 input_pass_values(dev, dev->vals, dev->num_vals); in input_handle_event()
402 dev->num_vals = 0; in input_handle_event()
403 } else if (dev->num_vals >= dev->max_vals - 2) { in input_handle_event()
404 dev->vals[dev->num_vals++] = input_value_sync; in input_handle_event()
405 input_pass_values(dev, dev->vals, dev->num_vals); in input_handle_event()
406 dev->num_vals = 0; in input_handle_event()
412 * input_event() - report new input event
433 if (is_event_supported(type, dev->evbit, EV_MAX)) { in input_event()
435 spin_lock_irqsave(&dev->event_lock, flags); in input_event()
437 spin_unlock_irqrestore(&dev->event_lock, flags); in input_event()
443 * input_inject_event() - send input event from input handler
456 struct input_dev *dev = handle->dev; in input_inject_event()
460 if (is_event_supported(type, dev->evbit, EV_MAX)) { in input_inject_event()
461 spin_lock_irqsave(&dev->event_lock, flags); in input_inject_event()
464 grab = rcu_dereference(dev->grab); in input_inject_event()
469 spin_unlock_irqrestore(&dev->event_lock, flags); in input_inject_event()
475 * input_alloc_absinfo - allocates array of input_absinfo structs
483 if (dev->absinfo) in input_alloc_absinfo()
486 dev->absinfo = kcalloc(ABS_CNT, sizeof(*dev->absinfo), GFP_KERNEL); in input_alloc_absinfo()
487 if (!dev->absinfo) { in input_alloc_absinfo()
488 dev_err(dev->dev.parent ?: &dev->dev, in input_alloc_absinfo()
493 * device with ABS bits but without absinfo. in input_alloc_absinfo()
500 int min, int max, int fuzz, int flat) in input_set_abs_params() argument
505 if (!dev->absinfo) in input_set_abs_params()
508 absinfo = &dev->absinfo[axis]; in input_set_abs_params()
509 absinfo->minimum = min; in input_set_abs_params()
510 absinfo->maximum = max; in input_set_abs_params()
511 absinfo->fuzz = fuzz; in input_set_abs_params()
512 absinfo->flat = flat; in input_set_abs_params()
514 __set_bit(EV_ABS, dev->evbit); in input_set_abs_params()
515 __set_bit(axis, dev->absbit); in input_set_abs_params()
521 * input_grab_device - grabs device for exclusive use
530 struct input_dev *dev = handle->dev; in input_grab_device()
533 retval = mutex_lock_interruptible(&dev->mutex); in input_grab_device()
537 if (dev->grab) { in input_grab_device()
538 retval = -EBUSY; in input_grab_device()
542 rcu_assign_pointer(dev->grab, handle); in input_grab_device()
545 mutex_unlock(&dev->mutex); in input_grab_device()
552 struct input_dev *dev = handle->dev; in __input_release_device()
555 grabber = rcu_dereference_protected(dev->grab, in __input_release_device()
556 lockdep_is_held(&dev->mutex)); in __input_release_device()
558 rcu_assign_pointer(dev->grab, NULL); in __input_release_device()
562 list_for_each_entry(handle, &dev->h_list, d_node) in __input_release_device()
563 if (handle->open && handle->handler->start) in __input_release_device()
564 handle->handler->start(handle); in __input_release_device()
569 * input_release_device - release previously grabbed device
579 struct input_dev *dev = handle->dev; in input_release_device()
581 mutex_lock(&dev->mutex); in input_release_device()
583 mutex_unlock(&dev->mutex); in input_release_device()
588 * input_open_device - open input device
596 struct input_dev *dev = handle->dev; in input_open_device()
599 retval = mutex_lock_interruptible(&dev->mutex); in input_open_device()
603 if (dev->going_away) { in input_open_device()
604 retval = -ENODEV; in input_open_device()
608 handle->open++; in input_open_device()
610 if (!dev->users++ && dev->open) in input_open_device()
611 retval = dev->open(dev); in input_open_device()
614 dev->users--; in input_open_device()
615 if (!--handle->open) { in input_open_device()
625 mutex_unlock(&dev->mutex); in input_open_device()
632 struct input_dev *dev = handle->dev; in input_flush_device()
635 retval = mutex_lock_interruptible(&dev->mutex); in input_flush_device()
639 if (dev->flush) in input_flush_device()
640 retval = dev->flush(dev, file); in input_flush_device()
642 mutex_unlock(&dev->mutex); in input_flush_device()
648 * input_close_device - close input device
656 struct input_dev *dev = handle->dev; in input_close_device()
658 mutex_lock(&dev->mutex); in input_close_device()
662 if (!--dev->users && dev->close) in input_close_device()
663 dev->close(dev); in input_close_device()
665 if (!--handle->open) { in input_close_device()
674 mutex_unlock(&dev->mutex); in input_close_device()
680 * The function must be called with dev->event_lock held.
687 if (is_event_supported(EV_KEY, dev->evbit, EV_MAX)) { in input_dev_release_keys()
688 for_each_set_bit(code, dev->key, KEY_CNT) { in input_dev_release_keys()
696 memset(dev->key, 0, sizeof(dev->key)); in input_dev_release_keys()
708 * Mark device as going away. Note that we take dev->mutex here in input_disconnect_device()
709 * not to protect access to dev->going_away but rather to ensure in input_disconnect_device()
712 mutex_lock(&dev->mutex); in input_disconnect_device()
713 dev->going_away = true; in input_disconnect_device()
714 mutex_unlock(&dev->mutex); in input_disconnect_device()
716 spin_lock_irq(&dev->event_lock); in input_disconnect_device()
726 list_for_each_entry(handle, &dev->h_list, d_node) in input_disconnect_device()
727 handle->open = 0; in input_disconnect_device()
729 spin_unlock_irq(&dev->event_lock); in input_disconnect_device()
733 * input_scancode_to_scalar() - converts scancode in &struct input_keymap_entry
745 switch (ke->len) { in input_scancode_to_scalar()
747 *scancode = *((u8 *)ke->scancode); in input_scancode_to_scalar()
751 *scancode = *((u16 *)ke->scancode); in input_scancode_to_scalar()
755 *scancode = *((u32 *)ke->scancode); in input_scancode_to_scalar()
759 return -EINVAL; in input_scancode_to_scalar()
774 switch (dev->keycodesize) { in input_fetch_keycode()
776 return ((u8 *)dev->keycode)[index]; in input_fetch_keycode()
779 return ((u16 *)dev->keycode)[index]; in input_fetch_keycode()
782 return ((u32 *)dev->keycode)[index]; in input_fetch_keycode()
792 if (!dev->keycodesize) in input_default_getkeycode()
793 return -EINVAL; in input_default_getkeycode()
795 if (ke->flags & INPUT_KEYMAP_BY_INDEX) in input_default_getkeycode()
796 index = ke->index; in input_default_getkeycode()
803 if (index >= dev->keycodemax) in input_default_getkeycode()
804 return -EINVAL; in input_default_getkeycode()
806 ke->keycode = input_fetch_keycode(dev, index); in input_default_getkeycode()
807 ke->index = index; in input_default_getkeycode()
808 ke->len = sizeof(index); in input_default_getkeycode()
809 memcpy(ke->scancode, &index, sizeof(index)); in input_default_getkeycode()
822 if (!dev->keycodesize) in input_default_setkeycode()
823 return -EINVAL; in input_default_setkeycode()
825 if (ke->flags & INPUT_KEYMAP_BY_INDEX) { in input_default_setkeycode()
826 index = ke->index; in input_default_setkeycode()
833 if (index >= dev->keycodemax) in input_default_setkeycode()
834 return -EINVAL; in input_default_setkeycode()
836 if (dev->keycodesize < sizeof(ke->keycode) && in input_default_setkeycode()
837 (ke->keycode >> (dev->keycodesize * 8))) in input_default_setkeycode()
838 return -EINVAL; in input_default_setkeycode()
840 switch (dev->keycodesize) { in input_default_setkeycode()
842 u8 *k = (u8 *)dev->keycode; in input_default_setkeycode()
844 k[index] = ke->keycode; in input_default_setkeycode()
848 u16 *k = (u16 *)dev->keycode; in input_default_setkeycode()
850 k[index] = ke->keycode; in input_default_setkeycode()
854 u32 *k = (u32 *)dev->keycode; in input_default_setkeycode()
856 k[index] = ke->keycode; in input_default_setkeycode()
862 __clear_bit(*old_keycode, dev->keybit); in input_default_setkeycode()
863 for (i = 0; i < dev->keycodemax; i++) { in input_default_setkeycode()
865 __set_bit(*old_keycode, dev->keybit); in input_default_setkeycode()
872 __set_bit(ke->keycode, dev->keybit); in input_default_setkeycode()
877 * input_get_keycode - retrieve keycode currently mapped to a given scancode
889 spin_lock_irqsave(&dev->event_lock, flags); in input_get_keycode()
890 retval = dev->getkeycode(dev, ke); in input_get_keycode()
891 spin_unlock_irqrestore(&dev->event_lock, flags); in input_get_keycode()
898 * input_set_keycode - attribute a keycode to a given scancode
912 if (ke->keycode > KEY_MAX) in input_set_keycode()
913 return -EINVAL; in input_set_keycode()
915 spin_lock_irqsave(&dev->event_lock, flags); in input_set_keycode()
917 retval = dev->setkeycode(dev, ke, &old_keycode); in input_set_keycode()
922 __clear_bit(KEY_RESERVED, dev->keybit); in input_set_keycode()
929 dev_warn(dev->dev.parent ?: &dev->dev, in input_set_keycode()
932 } else if (test_bit(EV_KEY, dev->evbit) && in input_set_keycode()
933 !is_event_supported(old_keycode, dev->keybit, KEY_MAX) && in input_set_keycode()
934 __test_and_clear_bit(old_keycode, dev->key)) { in input_set_keycode()
944 spin_unlock_irqrestore(&dev->event_lock, flags); in input_set_keycode()
953 if (id->flags & INPUT_DEVICE_ID_MATCH_BUS) in input_match_device_id()
954 if (id->bustype != dev->id.bustype) in input_match_device_id()
957 if (id->flags & INPUT_DEVICE_ID_MATCH_VENDOR) in input_match_device_id()
958 if (id->vendor != dev->id.vendor) in input_match_device_id()
961 if (id->flags & INPUT_DEVICE_ID_MATCH_PRODUCT) in input_match_device_id()
962 if (id->product != dev->id.product) in input_match_device_id()
965 if (id->flags & INPUT_DEVICE_ID_MATCH_VERSION) in input_match_device_id()
966 if (id->version != dev->id.version) in input_match_device_id()
969 if (!bitmap_subset(id->evbit, dev->evbit, EV_MAX) || in input_match_device_id()
970 !bitmap_subset(id->keybit, dev->keybit, KEY_MAX) || in input_match_device_id()
971 !bitmap_subset(id->relbit, dev->relbit, REL_MAX) || in input_match_device_id()
972 !bitmap_subset(id->absbit, dev->absbit, ABS_MAX) || in input_match_device_id()
973 !bitmap_subset(id->mscbit, dev->mscbit, MSC_MAX) || in input_match_device_id()
974 !bitmap_subset(id->ledbit, dev->ledbit, LED_MAX) || in input_match_device_id()
975 !bitmap_subset(id->sndbit, dev->sndbit, SND_MAX) || in input_match_device_id()
976 !bitmap_subset(id->ffbit, dev->ffbit, FF_MAX) || in input_match_device_id()
977 !bitmap_subset(id->swbit, dev->swbit, SW_MAX) || in input_match_device_id()
978 !bitmap_subset(id->propbit, dev->propbit, INPUT_PROP_MAX)) { in input_match_device_id()
991 for (id = handler->id_table; id->flags || id->driver_info; id++) { in input_match_device()
993 (!handler->match || handler->match(handler, dev))) { in input_match_device()
1008 return -ENODEV; in input_attach_handler()
1010 error = handler->connect(handler, dev, id); in input_attach_handler()
1011 if (error && error != -ENODEV) in input_attach_handler()
1013 handler->name, kobject_name(&dev->dev.kobj), error); in input_attach_handler()
1032 len += snprintf(buf + len, max(buf_size - len, 0), in input_bits_to_string()
1068 if (file->f_version != input_devices_state) { in input_proc_devices_poll()
1069 file->f_version = input_devices_state; in input_proc_devices_poll()
1086 union input_seq_state *state = (union input_seq_state *)&seq->private; in input_devices_seq_start()
1089 /* We need to fit into seq->private pointer */ in input_devices_seq_start()
1090 BUILD_BUG_ON(sizeof(union input_seq_state) != sizeof(seq->private)); in input_devices_seq_start()
1094 state->mutex_acquired = false; in input_devices_seq_start()
1098 state->mutex_acquired = true; in input_devices_seq_start()
1110 union input_seq_state *state = (union input_seq_state *)&seq->private; in input_seq_stop()
1112 if (state->mutex_acquired) in input_seq_stop()
1125 for (i = BITS_TO_LONGS(max) - 1; i >= 0; i--) { in input_seq_print_bitmap()
1145 const char *path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL); in input_devices_seq_show()
1149 dev->id.bustype, dev->id.vendor, dev->id.product, dev->id.version); in input_devices_seq_show()
1151 seq_printf(seq, "N: Name=\"%s\"\n", dev->name ? dev->name : ""); in input_devices_seq_show()
1152 seq_printf(seq, "P: Phys=%s\n", dev->phys ? dev->phys : ""); in input_devices_seq_show()
1154 seq_printf(seq, "U: Uniq=%s\n", dev->uniq ? dev->uniq : ""); in input_devices_seq_show()
1157 list_for_each_entry(handle, &dev->h_list, d_node) in input_devices_seq_show()
1158 seq_printf(seq, "%s ", handle->name); in input_devices_seq_show()
1161 input_seq_print_bitmap(seq, "PROP", dev->propbit, INPUT_PROP_MAX); in input_devices_seq_show()
1163 input_seq_print_bitmap(seq, "EV", dev->evbit, EV_MAX); in input_devices_seq_show()
1164 if (test_bit(EV_KEY, dev->evbit)) in input_devices_seq_show()
1165 input_seq_print_bitmap(seq, "KEY", dev->keybit, KEY_MAX); in input_devices_seq_show()
1166 if (test_bit(EV_REL, dev->evbit)) in input_devices_seq_show()
1167 input_seq_print_bitmap(seq, "REL", dev->relbit, REL_MAX); in input_devices_seq_show()
1168 if (test_bit(EV_ABS, dev->evbit)) in input_devices_seq_show()
1169 input_seq_print_bitmap(seq, "ABS", dev->absbit, ABS_MAX); in input_devices_seq_show()
1170 if (test_bit(EV_MSC, dev->evbit)) in input_devices_seq_show()
1171 input_seq_print_bitmap(seq, "MSC", dev->mscbit, MSC_MAX); in input_devices_seq_show()
1172 if (test_bit(EV_LED, dev->evbit)) in input_devices_seq_show()
1173 input_seq_print_bitmap(seq, "LED", dev->ledbit, LED_MAX); in input_devices_seq_show()
1174 if (test_bit(EV_SND, dev->evbit)) in input_devices_seq_show()
1175 input_seq_print_bitmap(seq, "SND", dev->sndbit, SND_MAX); in input_devices_seq_show()
1176 if (test_bit(EV_FF, dev->evbit)) in input_devices_seq_show()
1177 input_seq_print_bitmap(seq, "FF", dev->ffbit, FF_MAX); in input_devices_seq_show()
1178 if (test_bit(EV_SW, dev->evbit)) in input_devices_seq_show()
1179 input_seq_print_bitmap(seq, "SW", dev->swbit, SW_MAX); in input_devices_seq_show()
1210 union input_seq_state *state = (union input_seq_state *)&seq->private; in input_handlers_seq_start()
1213 /* We need to fit into seq->private pointer */ in input_handlers_seq_start()
1214 BUILD_BUG_ON(sizeof(union input_seq_state) != sizeof(seq->private)); in input_handlers_seq_start()
1218 state->mutex_acquired = false; in input_handlers_seq_start()
1222 state->mutex_acquired = true; in input_handlers_seq_start()
1223 state->pos = *pos; in input_handlers_seq_start()
1230 union input_seq_state *state = (union input_seq_state *)&seq->private; in input_handlers_seq_next()
1232 state->pos = *pos + 1; in input_handlers_seq_next()
1239 union input_seq_state *state = (union input_seq_state *)&seq->private; in input_handlers_seq_show()
1241 seq_printf(seq, "N: Number=%u Name=%s", state->pos, handler->name); in input_handlers_seq_show()
1242 if (handler->filter) in input_handlers_seq_show()
1244 if (handler->legacy_minors) in input_handlers_seq_show()
1245 seq_printf(seq, " Minor=%d", handler->minor); in input_handlers_seq_show()
1277 return -ENOMEM; in input_proc_init()
1293 return -ENOMEM; in input_proc_init()
1317 input_dev->name ? input_dev->name : ""); \
1334 len += snprintf(buf + len, max(size - len, 0), "%X,", i); in input_print_modalias_bits()
1344 "input:b%04Xv%04Xp%04Xe%04X-", in input_print_modalias()
1345 id->id.bustype, id->id.vendor, in input_print_modalias()
1346 id->id.product, id->id.version); in input_print_modalias()
1348 len += input_print_modalias_bits(buf + len, size - len, in input_print_modalias()
1349 'e', id->evbit, 0, EV_MAX); in input_print_modalias()
1350 len += input_print_modalias_bits(buf + len, size - len, in input_print_modalias()
1351 'k', id->keybit, KEY_MIN_INTERESTING, KEY_MAX); in input_print_modalias()
1352 len += input_print_modalias_bits(buf + len, size - len, in input_print_modalias()
1353 'r', id->relbit, 0, REL_MAX); in input_print_modalias()
1354 len += input_print_modalias_bits(buf + len, size - len, in input_print_modalias()
1355 'a', id->absbit, 0, ABS_MAX); in input_print_modalias()
1356 len += input_print_modalias_bits(buf + len, size - len, in input_print_modalias()
1357 'm', id->mscbit, 0, MSC_MAX); in input_print_modalias()
1358 len += input_print_modalias_bits(buf + len, size - len, in input_print_modalias()
1359 'l', id->ledbit, 0, LED_MAX); in input_print_modalias()
1360 len += input_print_modalias_bits(buf + len, size - len, in input_print_modalias()
1361 's', id->sndbit, 0, SND_MAX); in input_print_modalias()
1362 len += input_print_modalias_bits(buf + len, size - len, in input_print_modalias()
1363 'f', id->ffbit, 0, FF_MAX); in input_print_modalias()
1364 len += input_print_modalias_bits(buf + len, size - len, in input_print_modalias()
1365 'w', id->swbit, 0, SW_MAX); in input_print_modalias()
1368 len += snprintf(buf + len, max(size - len, 0), "\n"); in input_print_modalias()
1394 int len = input_print_bitmap(buf, PAGE_SIZE, input_dev->propbit, in input_dev_show_properties()
1419 return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \
1448 for (i = BITS_TO_LONGS(max) - 1; i >= 0; i--) { in input_print_bitmap()
1449 len += input_bits_to_string(buf + len, max(buf_size - len, 0), in input_print_bitmap()
1454 len += snprintf(buf + len, max(buf_size - len, 0), " "); in input_print_bitmap()
1465 len += snprintf(buf + len, max(buf_size - len, 0), "\n"); in input_print_bitmap()
1477 input_dev->bm##bit, ev##_MAX, \
1486 INPUT_DEV_CAP_ATTR(ABS, abs);
1524 kfree(dev->absinfo); in input_dev_release()
1525 kfree(dev->vals); in input_dev_release()
1532 * Input uevent interface - loading event handlers based on
1541 return -ENOMEM; in input_add_uevent_bm_var()
1543 len = input_print_bitmap(&env->buf[env->buflen - 1], in input_add_uevent_bm_var()
1544 sizeof(env->buf) - env->buflen, in input_add_uevent_bm_var()
1546 if (len >= (sizeof(env->buf) - env->buflen)) in input_add_uevent_bm_var()
1547 return -ENOMEM; in input_add_uevent_bm_var()
1549 env->buflen += len; in input_add_uevent_bm_var()
1559 return -ENOMEM; in input_add_uevent_modalias_var()
1561 len = input_print_modalias(&env->buf[env->buflen - 1], in input_add_uevent_modalias_var()
1562 sizeof(env->buf) - env->buflen, in input_add_uevent_modalias_var()
1564 if (len >= (sizeof(env->buf) - env->buflen)) in input_add_uevent_modalias_var()
1565 return -ENOMEM; in input_add_uevent_modalias_var()
1567 env->buflen += len; in input_add_uevent_modalias_var()
1597 dev->id.bustype, dev->id.vendor, in input_dev_uevent()
1598 dev->id.product, dev->id.version); in input_dev_uevent()
1599 if (dev->name) in input_dev_uevent()
1600 INPUT_ADD_HOTPLUG_VAR("NAME=\"%s\"", dev->name); in input_dev_uevent()
1601 if (dev->phys) in input_dev_uevent()
1602 INPUT_ADD_HOTPLUG_VAR("PHYS=\"%s\"", dev->phys); in input_dev_uevent()
1603 if (dev->uniq) in input_dev_uevent()
1604 INPUT_ADD_HOTPLUG_VAR("UNIQ=\"%s\"", dev->uniq); in input_dev_uevent()
1606 INPUT_ADD_HOTPLUG_BM_VAR("PROP=", dev->propbit, INPUT_PROP_MAX); in input_dev_uevent()
1608 INPUT_ADD_HOTPLUG_BM_VAR("EV=", dev->evbit, EV_MAX); in input_dev_uevent()
1609 if (test_bit(EV_KEY, dev->evbit)) in input_dev_uevent()
1610 INPUT_ADD_HOTPLUG_BM_VAR("KEY=", dev->keybit, KEY_MAX); in input_dev_uevent()
1611 if (test_bit(EV_REL, dev->evbit)) in input_dev_uevent()
1612 INPUT_ADD_HOTPLUG_BM_VAR("REL=", dev->relbit, REL_MAX); in input_dev_uevent()
1613 if (test_bit(EV_ABS, dev->evbit)) in input_dev_uevent()
1614 INPUT_ADD_HOTPLUG_BM_VAR("ABS=", dev->absbit, ABS_MAX); in input_dev_uevent()
1615 if (test_bit(EV_MSC, dev->evbit)) in input_dev_uevent()
1616 INPUT_ADD_HOTPLUG_BM_VAR("MSC=", dev->mscbit, MSC_MAX); in input_dev_uevent()
1617 if (test_bit(EV_LED, dev->evbit)) in input_dev_uevent()
1618 INPUT_ADD_HOTPLUG_BM_VAR("LED=", dev->ledbit, LED_MAX); in input_dev_uevent()
1619 if (test_bit(EV_SND, dev->evbit)) in input_dev_uevent()
1620 INPUT_ADD_HOTPLUG_BM_VAR("SND=", dev->sndbit, SND_MAX); in input_dev_uevent()
1621 if (test_bit(EV_FF, dev->evbit)) in input_dev_uevent()
1622 INPUT_ADD_HOTPLUG_BM_VAR("FF=", dev->ffbit, FF_MAX); in input_dev_uevent()
1623 if (test_bit(EV_SW, dev->evbit)) in input_dev_uevent()
1624 INPUT_ADD_HOTPLUG_BM_VAR("SW=", dev->swbit, SW_MAX); in input_dev_uevent()
1636 if (!test_bit(EV_##type, dev->evbit)) \
1639 for_each_set_bit(i, dev->bits##bit, type##_CNT) { \
1640 active = test_bit(i, dev->bits); \
1644 dev->event(dev, EV_##type, i, on ? active : 0); \
1650 if (!dev->event) in input_dev_toggle()
1656 if (activate && test_bit(EV_REP, dev->evbit)) { in input_dev_toggle()
1657 dev->event(dev, EV_REP, REP_PERIOD, dev->rep[REP_PERIOD]); in input_dev_toggle()
1658 dev->event(dev, EV_REP, REP_DELAY, dev->rep[REP_DELAY]); in input_dev_toggle()
1663 * input_reset_device() - reset/restore the state of input device
1674 mutex_lock(&dev->mutex); in input_reset_device()
1675 spin_lock_irqsave(&dev->event_lock, flags); in input_reset_device()
1680 spin_unlock_irqrestore(&dev->event_lock, flags); in input_reset_device()
1681 mutex_unlock(&dev->mutex); in input_reset_device()
1690 spin_lock_irq(&input_dev->event_lock); in input_dev_suspend()
1701 spin_unlock_irq(&input_dev->event_lock); in input_dev_suspend()
1710 spin_lock_irq(&input_dev->event_lock); in input_dev_resume()
1715 spin_unlock_irq(&input_dev->event_lock); in input_dev_resume()
1724 spin_lock_irq(&input_dev->event_lock); in input_dev_freeze()
1732 spin_unlock_irq(&input_dev->event_lock); in input_dev_freeze()
1741 spin_lock_irq(&input_dev->event_lock); in input_dev_poweroff()
1746 spin_unlock_irq(&input_dev->event_lock); in input_dev_poweroff()
1781 * input_allocate_device - allocate memory for new input device
1791 static atomic_t input_no = ATOMIC_INIT(-1); in input_allocate_device()
1796 dev->dev.type = &input_dev_type; in input_allocate_device()
1797 dev->dev.class = &input_class; in input_allocate_device()
1798 device_initialize(&dev->dev); in input_allocate_device()
1799 mutex_init(&dev->mutex); in input_allocate_device()
1800 spin_lock_init(&dev->event_lock); in input_allocate_device()
1801 timer_setup(&dev->timer, NULL, 0); in input_allocate_device()
1802 INIT_LIST_HEAD(&dev->h_list); in input_allocate_device()
1803 INIT_LIST_HEAD(&dev->node); in input_allocate_device()
1805 dev_set_name(&dev->dev, "input%lu", in input_allocate_device()
1823 return devres->input == data; in devm_input_device_match()
1829 struct input_dev *input = devres->input; in devm_input_device_release()
1832 __func__, dev_name(&input->dev)); in devm_input_device_release()
1837 * devm_input_allocate_device - allocate managed input device
1870 input->dev.parent = dev; in devm_input_allocate_device()
1871 input->devres_managed = true; in devm_input_allocate_device()
1873 devres->input = input; in devm_input_allocate_device()
1881 * input_free_device - free memory occupied by input_dev structure
1897 if (dev->devres_managed) in input_free_device()
1898 WARN_ON(devres_destroy(dev->dev.parent, in input_free_device()
1908 * input_set_capability - mark device as capable of a certain event
1914 * bitmap the function also adjusts dev->evbit.
1920 __set_bit(code, dev->keybit); in input_set_capability()
1924 __set_bit(code, dev->relbit); in input_set_capability()
1929 if (!dev->absinfo) in input_set_capability()
1932 __set_bit(code, dev->absbit); in input_set_capability()
1936 __set_bit(code, dev->mscbit); in input_set_capability()
1940 __set_bit(code, dev->swbit); in input_set_capability()
1944 __set_bit(code, dev->ledbit); in input_set_capability()
1948 __set_bit(code, dev->sndbit); in input_set_capability()
1952 __set_bit(code, dev->ffbit); in input_set_capability()
1965 __set_bit(type, dev->evbit); in input_set_capability()
1975 if (dev->mt) { in input_estimate_events_per_packet()
1976 mt_slots = dev->mt->num_slots; in input_estimate_events_per_packet()
1977 } else if (test_bit(ABS_MT_TRACKING_ID, dev->absbit)) { in input_estimate_events_per_packet()
1978 mt_slots = dev->absinfo[ABS_MT_TRACKING_ID].maximum - in input_estimate_events_per_packet()
1979 dev->absinfo[ABS_MT_TRACKING_ID].minimum + 1, in input_estimate_events_per_packet()
1981 } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) { in input_estimate_events_per_packet()
1989 if (test_bit(EV_ABS, dev->evbit)) in input_estimate_events_per_packet()
1990 for_each_set_bit(i, dev->absbit, ABS_CNT) in input_estimate_events_per_packet()
1993 if (test_bit(EV_REL, dev->evbit)) in input_estimate_events_per_packet()
1994 events += bitmap_weight(dev->relbit, REL_CNT); in input_estimate_events_per_packet()
2004 if (!test_bit(EV_##type, dev->evbit)) \
2005 memset(dev->bits##bit, 0, \
2006 sizeof(dev->bits##bit)); \
2013 INPUT_CLEANSE_BITMASK(dev, ABS, abs); in input_cleanse_bitmasks()
2029 list_for_each_entry_safe(handle, next, &dev->h_list, d_node) in __input_unregister_device()
2030 handle->handler->disconnect(handle); in __input_unregister_device()
2031 WARN_ON(!list_empty(&dev->h_list)); in __input_unregister_device()
2033 del_timer_sync(&dev->timer); in __input_unregister_device()
2034 list_del_init(&dev->node); in __input_unregister_device()
2040 device_del(&dev->dev); in __input_unregister_device()
2046 struct input_dev *input = devres->input; in devm_input_device_unregister()
2049 __func__, dev_name(&input->dev)); in devm_input_device_unregister()
2054 * input_enable_softrepeat - enable software autorepeat
2063 dev->timer.function = input_repeat_key; in input_enable_softrepeat()
2064 dev->rep[REP_DELAY] = delay; in input_enable_softrepeat()
2065 dev->rep[REP_PERIOD] = period; in input_enable_softrepeat()
2070 * input_register_device - register device with input core
2085 * that tear down of managed input devices is internally a 2-step process:
2100 if (test_bit(EV_ABS, dev->evbit) && !dev->absinfo) { in input_register_device()
2101 dev_err(&dev->dev, in input_register_device()
2102 "Absolute device without dev->absinfo, refusing to register\n"); in input_register_device()
2103 return -EINVAL; in input_register_device()
2106 if (dev->devres_managed) { in input_register_device()
2110 return -ENOMEM; in input_register_device()
2112 devres->input = dev; in input_register_device()
2116 __set_bit(EV_SYN, dev->evbit); in input_register_device()
2119 __clear_bit(KEY_RESERVED, dev->keybit); in input_register_device()
2121 /* Make sure that bitmasks not mentioned in dev->evbit are clean. */ in input_register_device()
2125 if (dev->hint_events_per_packet < packet_size) in input_register_device()
2126 dev->hint_events_per_packet = packet_size; in input_register_device()
2128 dev->max_vals = dev->hint_events_per_packet + 2; in input_register_device()
2129 dev->vals = kcalloc(dev->max_vals, sizeof(*dev->vals), GFP_KERNEL); in input_register_device()
2130 if (!dev->vals) { in input_register_device()
2131 error = -ENOMEM; in input_register_device()
2136 * If delay and period are pre-set by the driver, then autorepeating in input_register_device()
2139 if (!dev->rep[REP_DELAY] && !dev->rep[REP_PERIOD]) in input_register_device()
2142 if (!dev->getkeycode) in input_register_device()
2143 dev->getkeycode = input_default_getkeycode; in input_register_device()
2145 if (!dev->setkeycode) in input_register_device()
2146 dev->setkeycode = input_default_setkeycode; in input_register_device()
2148 error = device_add(&dev->dev); in input_register_device()
2152 path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL); in input_register_device()
2154 dev->name ? dev->name : "Unspecified device", in input_register_device()
2162 list_add_tail(&dev->node, &input_dev_list); in input_register_device()
2171 if (dev->devres_managed) { in input_register_device()
2172 dev_dbg(dev->dev.parent, "%s: registering %s with devres.\n", in input_register_device()
2173 __func__, dev_name(&dev->dev)); in input_register_device()
2174 devres_add(dev->dev.parent, devres); in input_register_device()
2179 device_del(&dev->dev); in input_register_device()
2181 kfree(dev->vals); in input_register_device()
2182 dev->vals = NULL; in input_register_device()
2190 * input_unregister_device - unregister previously registered device
2198 if (dev->devres_managed) { in input_unregister_device()
2199 WARN_ON(devres_destroy(dev->dev.parent, in input_unregister_device()
2216 * input_register_handler - register a new input handler
2232 INIT_LIST_HEAD(&handler->h_list); in input_register_handler()
2234 list_add_tail(&handler->node, &input_handler_list); in input_register_handler()
2247 * input_unregister_handler - unregisters an input handler
2259 list_for_each_entry_safe(handle, next, &handler->h_list, h_node) in input_unregister_handler()
2260 handler->disconnect(handle); in input_unregister_handler()
2261 WARN_ON(!list_empty(&handler->h_list)); in input_unregister_handler()
2263 list_del_init(&handler->node); in input_unregister_handler()
2272 * input_handler_for_each_handle - handle iterator
2278 * it @data and stop when @fn returns a non-zero value. The function is
2291 list_for_each_entry_rcu(handle, &handler->h_list, h_node) { in input_handler_for_each_handle()
2304 * input_register_handle - register a new input handle
2316 struct input_handler *handler = handle->handler; in input_register_handle()
2317 struct input_dev *dev = handle->dev; in input_register_handle()
2321 * We take dev->mutex here to prevent race with in input_register_handle()
2324 error = mutex_lock_interruptible(&dev->mutex); in input_register_handle()
2332 if (handler->filter) in input_register_handle()
2333 list_add_rcu(&handle->d_node, &dev->h_list); in input_register_handle()
2335 list_add_tail_rcu(&handle->d_node, &dev->h_list); in input_register_handle()
2337 mutex_unlock(&dev->mutex); in input_register_handle()
2340 * Since we are supposed to be called from ->connect() in input_register_handle()
2341 * which is mutually exclusive with ->disconnect() in input_register_handle()
2345 list_add_tail_rcu(&handle->h_node, &handler->h_list); in input_register_handle()
2347 if (handler->start) in input_register_handle()
2348 handler->start(handle); in input_register_handle()
2355 * input_unregister_handle - unregister an input handle
2366 struct input_dev *dev = handle->dev; in input_unregister_handle()
2368 list_del_rcu(&handle->h_node); in input_unregister_handle()
2371 * Take dev->mutex to prevent race with input_release_device(). in input_unregister_handle()
2373 mutex_lock(&dev->mutex); in input_unregister_handle()
2374 list_del_rcu(&handle->d_node); in input_unregister_handle()
2375 mutex_unlock(&dev->mutex); in input_unregister_handle()
2382 * input_get_new_minor - allocates a new input minor number
2396 * This function should be called from input handler's ->connect() in input_get_new_minor()
2416 * input_free_minor - release previously allocated minor