Lines Matching +full:fn +full:- +full:keymap
1 // SPDX-License-Identifier: GPL-2.0-only
5 * Copyright (c) 1999-2002 Vojtech Pavlik
26 #include "input-compat.h"
27 #include "input-poller.h"
59 if (value > (long)old_val - fuzz / 2 &&
63 if (value > (long)old_val - fuzz &&
67 if (value > (long)old_val - fuzz * 2 &&
77 if (test_bit(EV_REP, dev->evbit) &&
78 dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] &&
79 dev->timer.function) {
80 dev->repeat_key = code;
81 mod_timer(&dev->timer,
82 jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]));
88 del_timer(&dev->timer);
94 * dev->event_lock held and interrupts disabled.
99 struct input_handler *handler = handle->handler;
103 if (handler->filter) {
105 if (handler->filter(handle, v->type, v->code, v->value))
111 count = end - vals;
117 if (handler->events)
118 handler->events(handle, vals, count);
119 else if (handler->event)
121 handler->event(handle, v->type, v->code, v->value);
129 * dev->event_lock held and interrupts disabled.
142 handle = rcu_dereference(dev->grab);
146 list_for_each_entry_rcu(handle, &dev->h_list, d_node)
147 if (handle->open) {
157 if (test_bit(EV_REP, dev->evbit) && test_bit(EV_KEY, dev->evbit)) {
159 if (v->type == EV_KEY && v->value != 2) {
160 if (v->value)
161 input_start_autorepeat(dev, v->code);
179 * dev->event_lock here to avoid racing with input_event
187 spin_lock_irqsave(&dev->event_lock, flags);
189 if (test_bit(dev->repeat_key, dev->key) &&
190 is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) {
192 { EV_KEY, dev->repeat_key, 2 },
199 if (dev->rep[REP_PERIOD])
200 mod_timer(&dev->timer, jiffies +
201 msecs_to_jiffies(dev->rep[REP_PERIOD]));
204 spin_unlock_irqrestore(&dev->event_lock, flags);
217 struct input_mt *mt = dev->mt;
226 if (mt && *pval >= 0 && *pval < mt->num_slots)
227 mt->slot = *pval;
235 pold = &dev->absinfo[code].value;
237 pold = &mt->slots[mt->slot].abs[code - ABS_MT_FIRST];
240 * Bypass filtering for multi-touch events when
248 dev->absinfo[code].fuzz);
256 if (is_mt_event && mt && mt->slot != input_abs_get_val(dev, ABS_MT_SLOT)) {
257 input_abs_set_val(dev, ABS_MT_SLOT, mt->slot);
288 if (is_event_supported(code, dev->keybit, KEY_MAX)) {
290 /* auto-repeat bypasses state updates */
296 if (!!test_bit(code, dev->key) != !!value) {
298 __change_bit(code, dev->key);
305 if (is_event_supported(code, dev->swbit, SW_MAX) &&
306 !!test_bit(code, dev->sw) != !!value) {
308 __change_bit(code, dev->sw);
314 if (is_event_supported(code, dev->absbit, ABS_MAX))
320 if (is_event_supported(code, dev->relbit, REL_MAX) && value)
326 if (is_event_supported(code, dev->mscbit, MSC_MAX))
332 if (is_event_supported(code, dev->ledbit, LED_MAX) &&
333 !!test_bit(code, dev->led) != !!value) {
335 __change_bit(code, dev->led);
341 if (is_event_supported(code, dev->sndbit, SND_MAX)) {
343 if (!!test_bit(code, dev->snd) != !!value)
344 __change_bit(code, dev->snd);
350 if (code <= REP_MAX && value >= 0 && dev->rep[code] != value) {
351 dev->rep[code] = value;
378 if ((disposition & INPUT_PASS_TO_DEVICE) && dev->event)
379 dev->event(dev, type, code, value);
381 if (!dev->vals)
388 v = &dev->vals[dev->num_vals++];
389 v->type = EV_ABS;
390 v->code = ABS_MT_SLOT;
391 v->value = dev->mt->slot;
394 v = &dev->vals[dev->num_vals++];
395 v->type = type;
396 v->code = code;
397 v->value = value;
401 if (dev->num_vals >= 2)
402 input_pass_values(dev, dev->vals, dev->num_vals);
403 dev->num_vals = 0;
410 dev->timestamp[INPUT_CLK_MONO] = ktime_set(0, 0);
411 } else if (dev->num_vals >= dev->max_vals - 2) {
412 dev->vals[dev->num_vals++] = input_value_sync;
413 input_pass_values(dev, dev->vals, dev->num_vals);
414 dev->num_vals = 0;
420 * input_event() - report new input event
441 if (is_event_supported(type, dev->evbit, EV_MAX)) {
443 spin_lock_irqsave(&dev->event_lock, flags);
445 spin_unlock_irqrestore(&dev->event_lock, flags);
451 * input_inject_event() - send input event from input handler
464 struct input_dev *dev = handle->dev;
468 if (is_event_supported(type, dev->evbit, EV_MAX)) {
469 spin_lock_irqsave(&dev->event_lock, flags);
472 grab = rcu_dereference(dev->grab);
477 spin_unlock_irqrestore(&dev->event_lock, flags);
483 * input_alloc_absinfo - allocates array of input_absinfo structs
491 if (dev->absinfo)
494 dev->absinfo = kcalloc(ABS_CNT, sizeof(*dev->absinfo), GFP_KERNEL);
495 if (!dev->absinfo) {
496 dev_err(dev->dev.parent ?: &dev->dev,
513 if (!dev->absinfo)
516 absinfo = &dev->absinfo[axis];
517 absinfo->minimum = min;
518 absinfo->maximum = max;
519 absinfo->fuzz = fuzz;
520 absinfo->flat = flat;
522 __set_bit(EV_ABS, dev->evbit);
523 __set_bit(axis, dev->absbit);
529 * input_grab_device - grabs device for exclusive use
538 struct input_dev *dev = handle->dev;
541 retval = mutex_lock_interruptible(&dev->mutex);
545 if (dev->grab) {
546 retval = -EBUSY;
550 rcu_assign_pointer(dev->grab, handle);
553 mutex_unlock(&dev->mutex);
560 struct input_dev *dev = handle->dev;
563 grabber = rcu_dereference_protected(dev->grab,
564 lockdep_is_held(&dev->mutex));
566 rcu_assign_pointer(dev->grab, NULL);
570 list_for_each_entry(handle, &dev->h_list, d_node)
571 if (handle->open && handle->handler->start)
572 handle->handler->start(handle);
577 * input_release_device - release previously grabbed device
587 struct input_dev *dev = handle->dev;
589 mutex_lock(&dev->mutex);
591 mutex_unlock(&dev->mutex);
596 * input_open_device - open input device
604 struct input_dev *dev = handle->dev;
607 retval = mutex_lock_interruptible(&dev->mutex);
611 if (dev->going_away) {
612 retval = -ENODEV;
616 handle->open++;
618 if (dev->users++) {
626 if (dev->open) {
627 retval = dev->open(dev);
629 dev->users--;
630 handle->open--;
640 if (dev->poller)
641 input_dev_poller_start(dev->poller);
644 mutex_unlock(&dev->mutex);
651 struct input_dev *dev = handle->dev;
654 retval = mutex_lock_interruptible(&dev->mutex);
658 if (dev->flush)
659 retval = dev->flush(dev, file);
661 mutex_unlock(&dev->mutex);
667 * input_close_device - close input device
675 struct input_dev *dev = handle->dev;
677 mutex_lock(&dev->mutex);
681 if (!--dev->users) {
682 if (dev->poller)
683 input_dev_poller_stop(dev->poller);
685 if (dev->close)
686 dev->close(dev);
689 if (!--handle->open) {
698 mutex_unlock(&dev->mutex);
704 * The function must be called with dev->event_lock held.
711 if (is_event_supported(EV_KEY, dev->evbit, EV_MAX)) {
712 for_each_set_bit(code, dev->key, KEY_CNT) {
720 memset(dev->key, 0, sizeof(dev->key));
732 * Mark device as going away. Note that we take dev->mutex here
733 * not to protect access to dev->going_away but rather to ensure
736 mutex_lock(&dev->mutex);
737 dev->going_away = true;
738 mutex_unlock(&dev->mutex);
740 spin_lock_irq(&dev->event_lock);
750 list_for_each_entry(handle, &dev->h_list, d_node)
751 handle->open = 0;
753 spin_unlock_irq(&dev->event_lock);
757 * input_scancode_to_scalar() - converts scancode in &struct input_keymap_entry
758 * @ke: keymap entry containing scancode to be converted.
763 * into scalar form understood by legacy keymap handling methods. These
769 switch (ke->len) {
771 *scancode = *((u8 *)ke->scancode);
775 *scancode = *((u16 *)ke->scancode);
779 *scancode = *((u32 *)ke->scancode);
783 return -EINVAL;
798 switch (dev->keycodesize) {
800 return ((u8 *)dev->keycode)[index];
803 return ((u16 *)dev->keycode)[index];
806 return ((u32 *)dev->keycode)[index];
816 if (!dev->keycodesize)
817 return -EINVAL;
819 if (ke->flags & INPUT_KEYMAP_BY_INDEX)
820 index = ke->index;
827 if (index >= dev->keycodemax)
828 return -EINVAL;
830 ke->keycode = input_fetch_keycode(dev, index);
831 ke->index = index;
832 ke->len = sizeof(index);
833 memcpy(ke->scancode, &index, sizeof(index));
846 if (!dev->keycodesize)
847 return -EINVAL;
849 if (ke->flags & INPUT_KEYMAP_BY_INDEX) {
850 index = ke->index;
857 if (index >= dev->keycodemax)
858 return -EINVAL;
860 if (dev->keycodesize < sizeof(ke->keycode) &&
861 (ke->keycode >> (dev->keycodesize * 8)))
862 return -EINVAL;
864 switch (dev->keycodesize) {
866 u8 *k = (u8 *)dev->keycode;
868 k[index] = ke->keycode;
872 u16 *k = (u16 *)dev->keycode;
874 k[index] = ke->keycode;
878 u32 *k = (u32 *)dev->keycode;
880 k[index] = ke->keycode;
886 __clear_bit(*old_keycode, dev->keybit);
887 for (i = 0; i < dev->keycodemax; i++) {
889 __set_bit(*old_keycode, dev->keybit);
896 __set_bit(ke->keycode, dev->keybit);
901 * input_get_keycode - retrieve keycode currently mapped to a given scancode
902 * @dev: input device which keymap is being queried
903 * @ke: keymap entry
906 * keymap. Presently evdev handlers use it.
913 spin_lock_irqsave(&dev->event_lock, flags);
914 retval = dev->getkeycode(dev, ke);
915 spin_unlock_irqrestore(&dev->event_lock, flags);
922 * input_set_keycode - attribute a keycode to a given scancode
923 * @dev: input device which keymap is being updated
924 * @ke: new keymap entry
927 * keymap. Presently keyboard and evdev handlers use it.
936 if (ke->keycode > KEY_MAX)
937 return -EINVAL;
939 spin_lock_irqsave(&dev->event_lock, flags);
941 retval = dev->setkeycode(dev, ke, &old_keycode);
946 __clear_bit(KEY_RESERVED, dev->keybit);
950 * in the keymap anymore
953 dev_warn(dev->dev.parent ?: &dev->dev,
956 } else if (test_bit(EV_KEY, dev->evbit) &&
957 !is_event_supported(old_keycode, dev->keybit, KEY_MAX) &&
958 __test_and_clear_bit(old_keycode, dev->key)) {
968 spin_unlock_irqrestore(&dev->event_lock, flags);
977 if (id->flags & INPUT_DEVICE_ID_MATCH_BUS)
978 if (id->bustype != dev->id.bustype)
981 if (id->flags & INPUT_DEVICE_ID_MATCH_VENDOR)
982 if (id->vendor != dev->id.vendor)
985 if (id->flags & INPUT_DEVICE_ID_MATCH_PRODUCT)
986 if (id->product != dev->id.product)
989 if (id->flags & INPUT_DEVICE_ID_MATCH_VERSION)
990 if (id->version != dev->id.version)
993 if (!bitmap_subset(id->evbit, dev->evbit, EV_MAX) ||
994 !bitmap_subset(id->keybit, dev->keybit, KEY_MAX) ||
995 !bitmap_subset(id->relbit, dev->relbit, REL_MAX) ||
996 !bitmap_subset(id->absbit, dev->absbit, ABS_MAX) ||
997 !bitmap_subset(id->mscbit, dev->mscbit, MSC_MAX) ||
998 !bitmap_subset(id->ledbit, dev->ledbit, LED_MAX) ||
999 !bitmap_subset(id->sndbit, dev->sndbit, SND_MAX) ||
1000 !bitmap_subset(id->ffbit, dev->ffbit, FF_MAX) ||
1001 !bitmap_subset(id->swbit, dev->swbit, SW_MAX) ||
1002 !bitmap_subset(id->propbit, dev->propbit, INPUT_PROP_MAX)) {
1015 for (id = handler->id_table; id->flags || id->driver_info; id++) {
1017 (!handler->match || handler->match(handler, dev))) {
1032 return -ENODEV;
1034 error = handler->connect(handler, dev, id);
1035 if (error && error != -ENODEV)
1037 handler->name, kobject_name(&dev->dev.kobj), error);
1056 len += snprintf(buf + len, max(buf_size - len, 0),
1092 if (file->f_version != input_devices_state) {
1093 file->f_version = input_devices_state;
1110 union input_seq_state *state = (union input_seq_state *)&seq->private;
1113 /* We need to fit into seq->private pointer */
1114 BUILD_BUG_ON(sizeof(union input_seq_state) != sizeof(seq->private));
1118 state->mutex_acquired = false;
1122 state->mutex_acquired = true;
1134 union input_seq_state *state = (union input_seq_state *)&seq->private;
1136 if (state->mutex_acquired)
1149 for (i = BITS_TO_LONGS(max) - 1; i >= 0; i--) {
1169 const char *path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
1173 dev->id.bustype, dev->id.vendor, dev->id.product, dev->id.version);
1175 seq_printf(seq, "N: Name=\"%s\"\n", dev->name ? dev->name : "");
1176 seq_printf(seq, "P: Phys=%s\n", dev->phys ? dev->phys : "");
1178 seq_printf(seq, "U: Uniq=%s\n", dev->uniq ? dev->uniq : "");
1181 list_for_each_entry(handle, &dev->h_list, d_node)
1182 seq_printf(seq, "%s ", handle->name);
1185 input_seq_print_bitmap(seq, "PROP", dev->propbit, INPUT_PROP_MAX);
1187 input_seq_print_bitmap(seq, "EV", dev->evbit, EV_MAX);
1188 if (test_bit(EV_KEY, dev->evbit))
1189 input_seq_print_bitmap(seq, "KEY", dev->keybit, KEY_MAX);
1190 if (test_bit(EV_REL, dev->evbit))
1191 input_seq_print_bitmap(seq, "REL", dev->relbit, REL_MAX);
1192 if (test_bit(EV_ABS, dev->evbit))
1193 input_seq_print_bitmap(seq, "ABS", dev->absbit, ABS_MAX);
1194 if (test_bit(EV_MSC, dev->evbit))
1195 input_seq_print_bitmap(seq, "MSC", dev->mscbit, MSC_MAX);
1196 if (test_bit(EV_LED, dev->evbit))
1197 input_seq_print_bitmap(seq, "LED", dev->ledbit, LED_MAX);
1198 if (test_bit(EV_SND, dev->evbit))
1199 input_seq_print_bitmap(seq, "SND", dev->sndbit, SND_MAX);
1200 if (test_bit(EV_FF, dev->evbit))
1201 input_seq_print_bitmap(seq, "FF", dev->ffbit, FF_MAX);
1202 if (test_bit(EV_SW, dev->evbit))
1203 input_seq_print_bitmap(seq, "SW", dev->swbit, SW_MAX);
1233 union input_seq_state *state = (union input_seq_state *)&seq->private;
1236 /* We need to fit into seq->private pointer */
1237 BUILD_BUG_ON(sizeof(union input_seq_state) != sizeof(seq->private));
1241 state->mutex_acquired = false;
1245 state->mutex_acquired = true;
1246 state->pos = *pos;
1253 union input_seq_state *state = (union input_seq_state *)&seq->private;
1255 state->pos = *pos + 1;
1262 union input_seq_state *state = (union input_seq_state *)&seq->private;
1264 seq_printf(seq, "N: Number=%u Name=%s", state->pos, handler->name);
1265 if (handler->filter)
1267 if (handler->legacy_minors)
1268 seq_printf(seq, " Minor=%d", handler->minor);
1299 return -ENOMEM;
1315 return -ENOMEM;
1339 input_dev->name ? input_dev->name : ""); \
1356 len += snprintf(buf + len, max(size - len, 0), "%X,", i);
1366 "input:b%04Xv%04Xp%04Xe%04X-",
1367 id->id.bustype, id->id.vendor,
1368 id->id.product, id->id.version);
1370 len += input_print_modalias_bits(buf + len, size - len,
1371 'e', id->evbit, 0, EV_MAX);
1372 len += input_print_modalias_bits(buf + len, size - len,
1373 'k', id->keybit, KEY_MIN_INTERESTING, KEY_MAX);
1374 len += input_print_modalias_bits(buf + len, size - len,
1375 'r', id->relbit, 0, REL_MAX);
1376 len += input_print_modalias_bits(buf + len, size - len,
1377 'a', id->absbit, 0, ABS_MAX);
1378 len += input_print_modalias_bits(buf + len, size - len,
1379 'm', id->mscbit, 0, MSC_MAX);
1380 len += input_print_modalias_bits(buf + len, size - len,
1381 'l', id->ledbit, 0, LED_MAX);
1382 len += input_print_modalias_bits(buf + len, size - len,
1383 's', id->sndbit, 0, SND_MAX);
1384 len += input_print_modalias_bits(buf + len, size - len,
1385 'f', id->ffbit, 0, FF_MAX);
1386 len += input_print_modalias_bits(buf + len, size - len,
1387 'w', id->swbit, 0, SW_MAX);
1390 len += snprintf(buf + len, max(size - len, 0), "\n");
1416 int len = input_print_bitmap(buf, PAGE_SIZE, input_dev->propbit,
1441 return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \
1470 for (i = BITS_TO_LONGS(max) - 1; i >= 0; i--) {
1471 len += input_bits_to_string(buf + len, max(buf_size - len, 0),
1476 len += snprintf(buf + len, max(buf_size - len, 0), " ");
1487 len += snprintf(buf + len, max(buf_size - len, 0), "\n");
1499 input_dev->bm##bit, ev##_MAX, \
1547 kfree(dev->poller);
1548 kfree(dev->absinfo);
1549 kfree(dev->vals);
1556 * Input uevent interface - loading event handlers based on
1565 return -ENOMEM;
1567 len = input_print_bitmap(&env->buf[env->buflen - 1],
1568 sizeof(env->buf) - env->buflen,
1570 if (len >= (sizeof(env->buf) - env->buflen))
1571 return -ENOMEM;
1573 env->buflen += len;
1583 return -ENOMEM;
1585 len = input_print_modalias(&env->buf[env->buflen - 1],
1586 sizeof(env->buf) - env->buflen,
1588 if (len >= (sizeof(env->buf) - env->buflen))
1589 return -ENOMEM;
1591 env->buflen += len;
1621 dev->id.bustype, dev->id.vendor,
1622 dev->id.product, dev->id.version);
1623 if (dev->name)
1624 INPUT_ADD_HOTPLUG_VAR("NAME=\"%s\"", dev->name);
1625 if (dev->phys)
1626 INPUT_ADD_HOTPLUG_VAR("PHYS=\"%s\"", dev->phys);
1627 if (dev->uniq)
1628 INPUT_ADD_HOTPLUG_VAR("UNIQ=\"%s\"", dev->uniq);
1630 INPUT_ADD_HOTPLUG_BM_VAR("PROP=", dev->propbit, INPUT_PROP_MAX);
1632 INPUT_ADD_HOTPLUG_BM_VAR("EV=", dev->evbit, EV_MAX);
1633 if (test_bit(EV_KEY, dev->evbit))
1634 INPUT_ADD_HOTPLUG_BM_VAR("KEY=", dev->keybit, KEY_MAX);
1635 if (test_bit(EV_REL, dev->evbit))
1636 INPUT_ADD_HOTPLUG_BM_VAR("REL=", dev->relbit, REL_MAX);
1637 if (test_bit(EV_ABS, dev->evbit))
1638 INPUT_ADD_HOTPLUG_BM_VAR("ABS=", dev->absbit, ABS_MAX);
1639 if (test_bit(EV_MSC, dev->evbit))
1640 INPUT_ADD_HOTPLUG_BM_VAR("MSC=", dev->mscbit, MSC_MAX);
1641 if (test_bit(EV_LED, dev->evbit))
1642 INPUT_ADD_HOTPLUG_BM_VAR("LED=", dev->ledbit, LED_MAX);
1643 if (test_bit(EV_SND, dev->evbit))
1644 INPUT_ADD_HOTPLUG_BM_VAR("SND=", dev->sndbit, SND_MAX);
1645 if (test_bit(EV_FF, dev->evbit))
1646 INPUT_ADD_HOTPLUG_BM_VAR("FF=", dev->ffbit, FF_MAX);
1647 if (test_bit(EV_SW, dev->evbit))
1648 INPUT_ADD_HOTPLUG_BM_VAR("SW=", dev->swbit, SW_MAX);
1660 if (!test_bit(EV_##type, dev->evbit)) \
1663 for_each_set_bit(i, dev->bits##bit, type##_CNT) { \
1664 active = test_bit(i, dev->bits); \
1668 dev->event(dev, EV_##type, i, on ? active : 0); \
1674 if (!dev->event)
1680 if (activate && test_bit(EV_REP, dev->evbit)) {
1681 dev->event(dev, EV_REP, REP_PERIOD, dev->rep[REP_PERIOD]);
1682 dev->event(dev, EV_REP, REP_DELAY, dev->rep[REP_DELAY]);
1687 * input_reset_device() - reset/restore the state of input device
1698 mutex_lock(&dev->mutex);
1699 spin_lock_irqsave(&dev->event_lock, flags);
1704 spin_unlock_irqrestore(&dev->event_lock, flags);
1705 mutex_unlock(&dev->mutex);
1714 spin_lock_irq(&input_dev->event_lock);
1725 spin_unlock_irq(&input_dev->event_lock);
1734 spin_lock_irq(&input_dev->event_lock);
1739 spin_unlock_irq(&input_dev->event_lock);
1748 spin_lock_irq(&input_dev->event_lock);
1756 spin_unlock_irq(&input_dev->event_lock);
1765 spin_lock_irq(&input_dev->event_lock);
1770 spin_unlock_irq(&input_dev->event_lock);
1805 * input_allocate_device - allocate memory for new input device
1815 static atomic_t input_no = ATOMIC_INIT(-1);
1820 dev->dev.type = &input_dev_type;
1821 dev->dev.class = &input_class;
1822 device_initialize(&dev->dev);
1823 mutex_init(&dev->mutex);
1824 spin_lock_init(&dev->event_lock);
1825 timer_setup(&dev->timer, NULL, 0);
1826 INIT_LIST_HEAD(&dev->h_list);
1827 INIT_LIST_HEAD(&dev->node);
1829 dev_set_name(&dev->dev, "input%lu",
1847 return devres->input == data;
1853 struct input_dev *input = devres->input;
1856 __func__, dev_name(&input->dev));
1861 * devm_input_allocate_device - allocate managed input device
1894 input->dev.parent = dev;
1895 input->devres_managed = true;
1897 devres->input = input;
1905 * input_free_device - free memory occupied by input_dev structure
1921 if (dev->devres_managed)
1922 WARN_ON(devres_destroy(dev->dev.parent,
1932 * input_set_timestamp - set timestamp for input events
1947 dev->timestamp[INPUT_CLK_MONO] = timestamp;
1948 dev->timestamp[INPUT_CLK_REAL] = ktime_mono_to_real(timestamp);
1949 dev->timestamp[INPUT_CLK_BOOT] = ktime_mono_to_any(timestamp,
1955 * input_get_timestamp - get timestamp for input events
1958 * A valid timestamp is a timestamp of non-zero value.
1964 if (!ktime_compare(dev->timestamp[INPUT_CLK_MONO], invalid_timestamp))
1967 return dev->timestamp;
1972 * input_set_capability - mark device as capable of a certain event
1978 * bitmap the function also adjusts dev->evbit.
1984 __set_bit(code, dev->keybit);
1988 __set_bit(code, dev->relbit);
1993 if (!dev->absinfo)
1996 __set_bit(code, dev->absbit);
2000 __set_bit(code, dev->mscbit);
2004 __set_bit(code, dev->swbit);
2008 __set_bit(code, dev->ledbit);
2012 __set_bit(code, dev->sndbit);
2016 __set_bit(code, dev->ffbit);
2029 __set_bit(type, dev->evbit);
2039 if (dev->mt) {
2040 mt_slots = dev->mt->num_slots;
2041 } else if (test_bit(ABS_MT_TRACKING_ID, dev->absbit)) {
2042 mt_slots = dev->absinfo[ABS_MT_TRACKING_ID].maximum -
2043 dev->absinfo[ABS_MT_TRACKING_ID].minimum + 1,
2045 } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) {
2053 if (test_bit(EV_ABS, dev->evbit))
2054 for_each_set_bit(i, dev->absbit, ABS_CNT)
2057 if (test_bit(EV_REL, dev->evbit))
2058 events += bitmap_weight(dev->relbit, REL_CNT);
2068 if (!test_bit(EV_##type, dev->evbit)) \
2069 memset(dev->bits##bit, 0, \
2070 sizeof(dev->bits##bit)); \
2093 list_for_each_entry_safe(handle, next, &dev->h_list, d_node)
2094 handle->handler->disconnect(handle);
2095 WARN_ON(!list_empty(&dev->h_list));
2097 del_timer_sync(&dev->timer);
2098 list_del_init(&dev->node);
2104 device_del(&dev->dev);
2110 struct input_dev *input = devres->input;
2113 __func__, dev_name(&input->dev));
2118 * input_enable_softrepeat - enable software autorepeat
2127 dev->timer.function = input_repeat_key;
2128 dev->rep[REP_DELAY] = delay;
2129 dev->rep[REP_PERIOD] = period;
2134 * input_register_device - register device with input core
2149 * that tear down of managed input devices is internally a 2-step process:
2164 if (test_bit(EV_ABS, dev->evbit) && !dev->absinfo) {
2165 dev_err(&dev->dev,
2166 "Absolute device without dev->absinfo, refusing to register\n");
2167 return -EINVAL;
2170 if (dev->devres_managed) {
2174 return -ENOMEM;
2176 devres->input = dev;
2180 __set_bit(EV_SYN, dev->evbit);
2183 __clear_bit(KEY_RESERVED, dev->keybit);
2185 /* Make sure that bitmasks not mentioned in dev->evbit are clean. */
2189 if (dev->hint_events_per_packet < packet_size)
2190 dev->hint_events_per_packet = packet_size;
2192 dev->max_vals = dev->hint_events_per_packet + 2;
2193 dev->vals = kcalloc(dev->max_vals, sizeof(*dev->vals), GFP_KERNEL);
2194 if (!dev->vals) {
2195 error = -ENOMEM;
2200 * If delay and period are pre-set by the driver, then autorepeating
2203 if (!dev->rep[REP_DELAY] && !dev->rep[REP_PERIOD])
2206 if (!dev->getkeycode)
2207 dev->getkeycode = input_default_getkeycode;
2209 if (!dev->setkeycode)
2210 dev->setkeycode = input_default_setkeycode;
2212 if (dev->poller)
2213 input_dev_poller_finalize(dev->poller);
2215 error = device_add(&dev->dev);
2219 path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
2221 dev->name ? dev->name : "Unspecified device",
2229 list_add_tail(&dev->node, &input_dev_list);
2238 if (dev->devres_managed) {
2239 dev_dbg(dev->dev.parent, "%s: registering %s with devres.\n",
2240 __func__, dev_name(&dev->dev));
2241 devres_add(dev->dev.parent, devres);
2246 device_del(&dev->dev);
2248 kfree(dev->vals);
2249 dev->vals = NULL;
2257 * input_unregister_device - unregister previously registered device
2265 if (dev->devres_managed) {
2266 WARN_ON(devres_destroy(dev->dev.parent,
2283 * input_register_handler - register a new input handler
2299 INIT_LIST_HEAD(&handler->h_list);
2301 list_add_tail(&handler->node, &input_handler_list);
2314 * input_unregister_handler - unregisters an input handler
2326 list_for_each_entry_safe(handle, next, &handler->h_list, h_node)
2327 handler->disconnect(handle);
2328 WARN_ON(!list_empty(&handler->h_list));
2330 list_del_init(&handler->node);
2339 * input_handler_for_each_handle - handle iterator
2342 * @fn: function to be called for each handle
2344 * Iterate over @bus's list of devices, and call @fn for each, passing
2345 * it @data and stop when @fn returns a non-zero value. The function is
2347 * contexts. The @fn callback is invoked from RCU critical section and
2351 int (*fn)(struct input_handle *, void *))
2358 list_for_each_entry_rcu(handle, &handler->h_list, h_node) {
2359 retval = fn(handle, data);
2371 * input_register_handle - register a new input handle
2383 struct input_handler *handler = handle->handler;
2384 struct input_dev *dev = handle->dev;
2388 * We take dev->mutex here to prevent race with
2391 error = mutex_lock_interruptible(&dev->mutex);
2399 if (handler->filter)
2400 list_add_rcu(&handle->d_node, &dev->h_list);
2402 list_add_tail_rcu(&handle->d_node, &dev->h_list);
2404 mutex_unlock(&dev->mutex);
2407 * Since we are supposed to be called from ->connect()
2408 * which is mutually exclusive with ->disconnect()
2412 list_add_tail_rcu(&handle->h_node, &handler->h_list);
2414 if (handler->start)
2415 handler->start(handle);
2422 * input_unregister_handle - unregister an input handle
2433 struct input_dev *dev = handle->dev;
2435 list_del_rcu(&handle->h_node);
2438 * Take dev->mutex to prevent race with input_release_device().
2440 mutex_lock(&dev->mutex);
2441 list_del_rcu(&handle->d_node);
2442 mutex_unlock(&dev->mutex);
2449 * input_get_new_minor - allocates a new input minor number
2463 * This function should be called from input handler's ->connect()
2483 * input_free_minor - release previously allocated minor