Lines Matching +full:abs +full:- +full:flat
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 > old_val - fuzz / 2 && value < old_val + fuzz / 2)
62 if (value > old_val - fuzz && value < old_val + fuzz)
65 if (value > old_val - fuzz * 2 && value < old_val + fuzz * 2)
74 if (test_bit(EV_REP, dev->evbit) &&
75 dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] &&
76 dev->timer.function) {
77 dev->repeat_key = code;
78 mod_timer(&dev->timer,
79 jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]));
85 del_timer(&dev->timer);
91 * dev->event_lock held and interrupts disabled.
96 struct input_handler *handler = handle->handler;
100 if (handler->filter) {
102 if (handler->filter(handle, v->type, v->code, v->value))
108 count = end - vals;
114 if (handler->events)
115 handler->events(handle, vals, count);
116 else if (handler->event)
118 handler->event(handle, v->type, v->code, v->value);
126 * dev->event_lock held and interrupts disabled.
139 handle = rcu_dereference(dev->grab);
143 list_for_each_entry_rcu(handle, &dev->h_list, d_node)
144 if (handle->open) {
154 if (test_bit(EV_REP, dev->evbit) && test_bit(EV_KEY, dev->evbit)) {
156 if (v->type == EV_KEY && v->value != 2) {
157 if (v->value)
158 input_start_autorepeat(dev, v->code);
176 * dev->event_lock here to avoid racing with input_event
184 spin_lock_irqsave(&dev->event_lock, flags);
186 if (test_bit(dev->repeat_key, dev->key) &&
187 is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) {
189 { EV_KEY, dev->repeat_key, 2 },
196 if (dev->rep[REP_PERIOD])
197 mod_timer(&dev->timer, jiffies +
198 msecs_to_jiffies(dev->rep[REP_PERIOD]));
201 spin_unlock_irqrestore(&dev->event_lock, flags);
214 struct input_mt *mt = dev->mt;
223 if (mt && *pval >= 0 && *pval < mt->num_slots)
224 mt->slot = *pval;
232 pold = &dev->absinfo[code].value;
234 pold = &mt->slots[mt->slot].abs[code - ABS_MT_FIRST];
237 * Bypass filtering for multi-touch events when
245 dev->absinfo[code].fuzz);
253 if (is_mt_event && mt && mt->slot != input_abs_get_val(dev, ABS_MT_SLOT)) {
254 input_abs_set_val(dev, ABS_MT_SLOT, mt->slot);
285 if (is_event_supported(code, dev->keybit, KEY_MAX)) {
287 /* auto-repeat bypasses state updates */
293 if (!!test_bit(code, dev->key) != !!value) {
295 __change_bit(code, dev->key);
302 if (is_event_supported(code, dev->swbit, SW_MAX) &&
303 !!test_bit(code, dev->sw) != !!value) {
305 __change_bit(code, dev->sw);
311 if (is_event_supported(code, dev->absbit, ABS_MAX))
317 if (is_event_supported(code, dev->relbit, REL_MAX) && value)
323 if (is_event_supported(code, dev->mscbit, MSC_MAX))
329 if (is_event_supported(code, dev->ledbit, LED_MAX) &&
330 !!test_bit(code, dev->led) != !!value) {
332 __change_bit(code, dev->led);
338 if (is_event_supported(code, dev->sndbit, SND_MAX)) {
340 if (!!test_bit(code, dev->snd) != !!value)
341 __change_bit(code, dev->snd);
347 if (code <= REP_MAX && value >= 0 && dev->rep[code] != value) {
348 dev->rep[code] = value;
375 if ((disposition & INPUT_PASS_TO_DEVICE) && dev->event)
376 dev->event(dev, type, code, value);
378 if (!dev->vals)
385 v = &dev->vals[dev->num_vals++];
386 v->type = EV_ABS;
387 v->code = ABS_MT_SLOT;
388 v->value = dev->mt->slot;
391 v = &dev->vals[dev->num_vals++];
392 v->type = type;
393 v->code = code;
394 v->value = value;
398 if (dev->num_vals >= 2)
399 input_pass_values(dev, dev->vals, dev->num_vals);
400 dev->num_vals = 0;
407 dev->timestamp[INPUT_CLK_MONO] = ktime_set(0, 0);
408 } else if (dev->num_vals >= dev->max_vals - 2) {
409 dev->vals[dev->num_vals++] = input_value_sync;
410 input_pass_values(dev, dev->vals, dev->num_vals);
411 dev->num_vals = 0;
417 * input_event() - report new input event
438 if (is_event_supported(type, dev->evbit, EV_MAX)) {
440 spin_lock_irqsave(&dev->event_lock, flags);
442 spin_unlock_irqrestore(&dev->event_lock, flags);
448 * input_inject_event() - send input event from input handler
461 struct input_dev *dev = handle->dev;
465 if (is_event_supported(type, dev->evbit, EV_MAX)) {
466 spin_lock_irqsave(&dev->event_lock, flags);
469 grab = rcu_dereference(dev->grab);
474 spin_unlock_irqrestore(&dev->event_lock, flags);
480 * input_alloc_absinfo - allocates array of input_absinfo structs
488 if (dev->absinfo)
491 dev->absinfo = kcalloc(ABS_CNT, sizeof(*dev->absinfo), GFP_KERNEL);
492 if (!dev->absinfo) {
493 dev_err(dev->dev.parent ?: &dev->dev,
498 * device with ABS bits but without absinfo.
505 int min, int max, int fuzz, int flat)
510 if (!dev->absinfo)
513 absinfo = &dev->absinfo[axis];
514 absinfo->minimum = min;
515 absinfo->maximum = max;
516 absinfo->fuzz = fuzz;
517 absinfo->flat = flat;
519 __set_bit(EV_ABS, dev->evbit);
520 __set_bit(axis, dev->absbit);
526 * input_grab_device - grabs device for exclusive use
535 struct input_dev *dev = handle->dev;
538 retval = mutex_lock_interruptible(&dev->mutex);
542 if (dev->grab) {
543 retval = -EBUSY;
547 rcu_assign_pointer(dev->grab, handle);
550 mutex_unlock(&dev->mutex);
557 struct input_dev *dev = handle->dev;
560 grabber = rcu_dereference_protected(dev->grab,
561 lockdep_is_held(&dev->mutex));
563 rcu_assign_pointer(dev->grab, NULL);
567 list_for_each_entry(handle, &dev->h_list, d_node)
568 if (handle->open && handle->handler->start)
569 handle->handler->start(handle);
574 * input_release_device - release previously grabbed device
584 struct input_dev *dev = handle->dev;
586 mutex_lock(&dev->mutex);
588 mutex_unlock(&dev->mutex);
593 * input_open_device - open input device
601 struct input_dev *dev = handle->dev;
604 retval = mutex_lock_interruptible(&dev->mutex);
608 if (dev->going_away) {
609 retval = -ENODEV;
613 handle->open++;
615 if (dev->users++) {
623 if (dev->open) {
624 retval = dev->open(dev);
626 dev->users--;
627 handle->open--;
637 if (dev->poller)
638 input_dev_poller_start(dev->poller);
641 mutex_unlock(&dev->mutex);
648 struct input_dev *dev = handle->dev;
651 retval = mutex_lock_interruptible(&dev->mutex);
655 if (dev->flush)
656 retval = dev->flush(dev, file);
658 mutex_unlock(&dev->mutex);
664 * input_close_device - close input device
672 struct input_dev *dev = handle->dev;
674 mutex_lock(&dev->mutex);
678 if (!--dev->users) {
679 if (dev->poller)
680 input_dev_poller_stop(dev->poller);
682 if (dev->close)
683 dev->close(dev);
686 if (!--handle->open) {
695 mutex_unlock(&dev->mutex);
701 * The function must be called with dev->event_lock held.
708 if (is_event_supported(EV_KEY, dev->evbit, EV_MAX)) {
709 for_each_set_bit(code, dev->key, KEY_CNT) {
717 memset(dev->key, 0, sizeof(dev->key));
729 * Mark device as going away. Note that we take dev->mutex here
730 * not to protect access to dev->going_away but rather to ensure
733 mutex_lock(&dev->mutex);
734 dev->going_away = true;
735 mutex_unlock(&dev->mutex);
737 spin_lock_irq(&dev->event_lock);
747 list_for_each_entry(handle, &dev->h_list, d_node)
748 handle->open = 0;
750 spin_unlock_irq(&dev->event_lock);
754 * input_scancode_to_scalar() - converts scancode in &struct input_keymap_entry
766 switch (ke->len) {
768 *scancode = *((u8 *)ke->scancode);
772 *scancode = *((u16 *)ke->scancode);
776 *scancode = *((u32 *)ke->scancode);
780 return -EINVAL;
795 switch (dev->keycodesize) {
797 return ((u8 *)dev->keycode)[index];
800 return ((u16 *)dev->keycode)[index];
803 return ((u32 *)dev->keycode)[index];
813 if (!dev->keycodesize)
814 return -EINVAL;
816 if (ke->flags & INPUT_KEYMAP_BY_INDEX)
817 index = ke->index;
824 if (index >= dev->keycodemax)
825 return -EINVAL;
827 ke->keycode = input_fetch_keycode(dev, index);
828 ke->index = index;
829 ke->len = sizeof(index);
830 memcpy(ke->scancode, &index, sizeof(index));
843 if (!dev->keycodesize)
844 return -EINVAL;
846 if (ke->flags & INPUT_KEYMAP_BY_INDEX) {
847 index = ke->index;
854 if (index >= dev->keycodemax)
855 return -EINVAL;
857 if (dev->keycodesize < sizeof(ke->keycode) &&
858 (ke->keycode >> (dev->keycodesize * 8)))
859 return -EINVAL;
861 switch (dev->keycodesize) {
863 u8 *k = (u8 *)dev->keycode;
865 k[index] = ke->keycode;
869 u16 *k = (u16 *)dev->keycode;
871 k[index] = ke->keycode;
875 u32 *k = (u32 *)dev->keycode;
877 k[index] = ke->keycode;
883 __clear_bit(*old_keycode, dev->keybit);
884 for (i = 0; i < dev->keycodemax; i++) {
886 __set_bit(*old_keycode, dev->keybit);
893 __set_bit(ke->keycode, dev->keybit);
898 * input_get_keycode - retrieve keycode currently mapped to a given scancode
910 spin_lock_irqsave(&dev->event_lock, flags);
911 retval = dev->getkeycode(dev, ke);
912 spin_unlock_irqrestore(&dev->event_lock, flags);
919 * input_set_keycode - attribute a keycode to a given scancode
933 if (ke->keycode > KEY_MAX)
934 return -EINVAL;
936 spin_lock_irqsave(&dev->event_lock, flags);
938 retval = dev->setkeycode(dev, ke, &old_keycode);
943 __clear_bit(KEY_RESERVED, dev->keybit);
950 dev_warn(dev->dev.parent ?: &dev->dev,
953 } else if (test_bit(EV_KEY, dev->evbit) &&
954 !is_event_supported(old_keycode, dev->keybit, KEY_MAX) &&
955 __test_and_clear_bit(old_keycode, dev->key)) {
965 spin_unlock_irqrestore(&dev->event_lock, flags);
974 if (id->flags & INPUT_DEVICE_ID_MATCH_BUS)
975 if (id->bustype != dev->id.bustype)
978 if (id->flags & INPUT_DEVICE_ID_MATCH_VENDOR)
979 if (id->vendor != dev->id.vendor)
982 if (id->flags & INPUT_DEVICE_ID_MATCH_PRODUCT)
983 if (id->product != dev->id.product)
986 if (id->flags & INPUT_DEVICE_ID_MATCH_VERSION)
987 if (id->version != dev->id.version)
990 if (!bitmap_subset(id->evbit, dev->evbit, EV_MAX) ||
991 !bitmap_subset(id->keybit, dev->keybit, KEY_MAX) ||
992 !bitmap_subset(id->relbit, dev->relbit, REL_MAX) ||
993 !bitmap_subset(id->absbit, dev->absbit, ABS_MAX) ||
994 !bitmap_subset(id->mscbit, dev->mscbit, MSC_MAX) ||
995 !bitmap_subset(id->ledbit, dev->ledbit, LED_MAX) ||
996 !bitmap_subset(id->sndbit, dev->sndbit, SND_MAX) ||
997 !bitmap_subset(id->ffbit, dev->ffbit, FF_MAX) ||
998 !bitmap_subset(id->swbit, dev->swbit, SW_MAX) ||
999 !bitmap_subset(id->propbit, dev->propbit, INPUT_PROP_MAX)) {
1012 for (id = handler->id_table; id->flags || id->driver_info; id++) {
1014 (!handler->match || handler->match(handler, dev))) {
1029 return -ENODEV;
1031 error = handler->connect(handler, dev, id);
1032 if (error && error != -ENODEV)
1034 handler->name, kobject_name(&dev->dev.kobj), error);
1053 len += snprintf(buf + len, max(buf_size - len, 0),
1089 if (file->f_version != input_devices_state) {
1090 file->f_version = input_devices_state;
1107 union input_seq_state *state = (union input_seq_state *)&seq->private;
1110 /* We need to fit into seq->private pointer */
1111 BUILD_BUG_ON(sizeof(union input_seq_state) != sizeof(seq->private));
1115 state->mutex_acquired = false;
1119 state->mutex_acquired = true;
1131 union input_seq_state *state = (union input_seq_state *)&seq->private;
1133 if (state->mutex_acquired)
1146 for (i = BITS_TO_LONGS(max) - 1; i >= 0; i--) {
1166 const char *path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
1170 dev->id.bustype, dev->id.vendor, dev->id.product, dev->id.version);
1172 seq_printf(seq, "N: Name=\"%s\"\n", dev->name ? dev->name : "");
1173 seq_printf(seq, "P: Phys=%s\n", dev->phys ? dev->phys : "");
1175 seq_printf(seq, "U: Uniq=%s\n", dev->uniq ? dev->uniq : "");
1178 list_for_each_entry(handle, &dev->h_list, d_node)
1179 seq_printf(seq, "%s ", handle->name);
1182 input_seq_print_bitmap(seq, "PROP", dev->propbit, INPUT_PROP_MAX);
1184 input_seq_print_bitmap(seq, "EV", dev->evbit, EV_MAX);
1185 if (test_bit(EV_KEY, dev->evbit))
1186 input_seq_print_bitmap(seq, "KEY", dev->keybit, KEY_MAX);
1187 if (test_bit(EV_REL, dev->evbit))
1188 input_seq_print_bitmap(seq, "REL", dev->relbit, REL_MAX);
1189 if (test_bit(EV_ABS, dev->evbit))
1190 input_seq_print_bitmap(seq, "ABS", dev->absbit, ABS_MAX);
1191 if (test_bit(EV_MSC, dev->evbit))
1192 input_seq_print_bitmap(seq, "MSC", dev->mscbit, MSC_MAX);
1193 if (test_bit(EV_LED, dev->evbit))
1194 input_seq_print_bitmap(seq, "LED", dev->ledbit, LED_MAX);
1195 if (test_bit(EV_SND, dev->evbit))
1196 input_seq_print_bitmap(seq, "SND", dev->sndbit, SND_MAX);
1197 if (test_bit(EV_FF, dev->evbit))
1198 input_seq_print_bitmap(seq, "FF", dev->ffbit, FF_MAX);
1199 if (test_bit(EV_SW, dev->evbit))
1200 input_seq_print_bitmap(seq, "SW", dev->swbit, SW_MAX);
1230 union input_seq_state *state = (union input_seq_state *)&seq->private;
1233 /* We need to fit into seq->private pointer */
1234 BUILD_BUG_ON(sizeof(union input_seq_state) != sizeof(seq->private));
1238 state->mutex_acquired = false;
1242 state->mutex_acquired = true;
1243 state->pos = *pos;
1250 union input_seq_state *state = (union input_seq_state *)&seq->private;
1252 state->pos = *pos + 1;
1259 union input_seq_state *state = (union input_seq_state *)&seq->private;
1261 seq_printf(seq, "N: Number=%u Name=%s", state->pos, handler->name);
1262 if (handler->filter)
1264 if (handler->legacy_minors)
1265 seq_printf(seq, " Minor=%d", handler->minor);
1296 return -ENOMEM;
1312 return -ENOMEM;
1336 input_dev->name ? input_dev->name : ""); \
1353 len += snprintf(buf + len, max(size - len, 0), "%X,", i);
1363 "input:b%04Xv%04Xp%04Xe%04X-",
1364 id->id.bustype, id->id.vendor,
1365 id->id.product, id->id.version);
1367 len += input_print_modalias_bits(buf + len, size - len,
1368 'e', id->evbit, 0, EV_MAX);
1369 len += input_print_modalias_bits(buf + len, size - len,
1370 'k', id->keybit, KEY_MIN_INTERESTING, KEY_MAX);
1371 len += input_print_modalias_bits(buf + len, size - len,
1372 'r', id->relbit, 0, REL_MAX);
1373 len += input_print_modalias_bits(buf + len, size - len,
1374 'a', id->absbit, 0, ABS_MAX);
1375 len += input_print_modalias_bits(buf + len, size - len,
1376 'm', id->mscbit, 0, MSC_MAX);
1377 len += input_print_modalias_bits(buf + len, size - len,
1378 'l', id->ledbit, 0, LED_MAX);
1379 len += input_print_modalias_bits(buf + len, size - len,
1380 's', id->sndbit, 0, SND_MAX);
1381 len += input_print_modalias_bits(buf + len, size - len,
1382 'f', id->ffbit, 0, FF_MAX);
1383 len += input_print_modalias_bits(buf + len, size - len,
1384 'w', id->swbit, 0, SW_MAX);
1387 len += snprintf(buf + len, max(size - len, 0), "\n");
1413 int len = input_print_bitmap(buf, PAGE_SIZE, input_dev->propbit,
1438 return scnprintf(buf, PAGE_SIZE, "%04x\n", input_dev->id.name); \
1467 for (i = BITS_TO_LONGS(max) - 1; i >= 0; i--) {
1468 len += input_bits_to_string(buf + len, max(buf_size - len, 0),
1473 len += snprintf(buf + len, max(buf_size - len, 0), " ");
1484 len += snprintf(buf + len, max(buf_size - len, 0), "\n");
1496 input_dev->bm##bit, ev##_MAX, \
1505 INPUT_DEV_CAP_ATTR(ABS, abs);
1544 kfree(dev->poller);
1545 kfree(dev->absinfo);
1546 kfree(dev->vals);
1553 * Input uevent interface - loading event handlers based on
1562 return -ENOMEM;
1564 len = input_print_bitmap(&env->buf[env->buflen - 1],
1565 sizeof(env->buf) - env->buflen,
1567 if (len >= (sizeof(env->buf) - env->buflen))
1568 return -ENOMEM;
1570 env->buflen += len;
1580 return -ENOMEM;
1582 len = input_print_modalias(&env->buf[env->buflen - 1],
1583 sizeof(env->buf) - env->buflen,
1585 if (len >= (sizeof(env->buf) - env->buflen))
1586 return -ENOMEM;
1588 env->buflen += len;
1618 dev->id.bustype, dev->id.vendor,
1619 dev->id.product, dev->id.version);
1620 if (dev->name)
1621 INPUT_ADD_HOTPLUG_VAR("NAME=\"%s\"", dev->name);
1622 if (dev->phys)
1623 INPUT_ADD_HOTPLUG_VAR("PHYS=\"%s\"", dev->phys);
1624 if (dev->uniq)
1625 INPUT_ADD_HOTPLUG_VAR("UNIQ=\"%s\"", dev->uniq);
1627 INPUT_ADD_HOTPLUG_BM_VAR("PROP=", dev->propbit, INPUT_PROP_MAX);
1629 INPUT_ADD_HOTPLUG_BM_VAR("EV=", dev->evbit, EV_MAX);
1630 if (test_bit(EV_KEY, dev->evbit))
1631 INPUT_ADD_HOTPLUG_BM_VAR("KEY=", dev->keybit, KEY_MAX);
1632 if (test_bit(EV_REL, dev->evbit))
1633 INPUT_ADD_HOTPLUG_BM_VAR("REL=", dev->relbit, REL_MAX);
1634 if (test_bit(EV_ABS, dev->evbit))
1635 INPUT_ADD_HOTPLUG_BM_VAR("ABS=", dev->absbit, ABS_MAX);
1636 if (test_bit(EV_MSC, dev->evbit))
1637 INPUT_ADD_HOTPLUG_BM_VAR("MSC=", dev->mscbit, MSC_MAX);
1638 if (test_bit(EV_LED, dev->evbit))
1639 INPUT_ADD_HOTPLUG_BM_VAR("LED=", dev->ledbit, LED_MAX);
1640 if (test_bit(EV_SND, dev->evbit))
1641 INPUT_ADD_HOTPLUG_BM_VAR("SND=", dev->sndbit, SND_MAX);
1642 if (test_bit(EV_FF, dev->evbit))
1643 INPUT_ADD_HOTPLUG_BM_VAR("FF=", dev->ffbit, FF_MAX);
1644 if (test_bit(EV_SW, dev->evbit))
1645 INPUT_ADD_HOTPLUG_BM_VAR("SW=", dev->swbit, SW_MAX);
1657 if (!test_bit(EV_##type, dev->evbit)) \
1660 for_each_set_bit(i, dev->bits##bit, type##_CNT) { \
1661 active = test_bit(i, dev->bits); \
1665 dev->event(dev, EV_##type, i, on ? active : 0); \
1671 if (!dev->event)
1677 if (activate && test_bit(EV_REP, dev->evbit)) {
1678 dev->event(dev, EV_REP, REP_PERIOD, dev->rep[REP_PERIOD]);
1679 dev->event(dev, EV_REP, REP_DELAY, dev->rep[REP_DELAY]);
1684 * input_reset_device() - reset/restore the state of input device
1695 mutex_lock(&dev->mutex);
1696 spin_lock_irqsave(&dev->event_lock, flags);
1701 spin_unlock_irqrestore(&dev->event_lock, flags);
1702 mutex_unlock(&dev->mutex);
1711 spin_lock_irq(&input_dev->event_lock);
1722 spin_unlock_irq(&input_dev->event_lock);
1731 spin_lock_irq(&input_dev->event_lock);
1736 spin_unlock_irq(&input_dev->event_lock);
1745 spin_lock_irq(&input_dev->event_lock);
1753 spin_unlock_irq(&input_dev->event_lock);
1762 spin_lock_irq(&input_dev->event_lock);
1767 spin_unlock_irq(&input_dev->event_lock);
1802 * input_allocate_device - allocate memory for new input device
1812 static atomic_t input_no = ATOMIC_INIT(-1);
1817 dev->dev.type = &input_dev_type;
1818 dev->dev.class = &input_class;
1819 device_initialize(&dev->dev);
1820 mutex_init(&dev->mutex);
1821 spin_lock_init(&dev->event_lock);
1822 timer_setup(&dev->timer, NULL, 0);
1823 INIT_LIST_HEAD(&dev->h_list);
1824 INIT_LIST_HEAD(&dev->node);
1826 dev_set_name(&dev->dev, "input%lu",
1844 return devres->input == data;
1850 struct input_dev *input = devres->input;
1853 __func__, dev_name(&input->dev));
1858 * devm_input_allocate_device - allocate managed input device
1891 input->dev.parent = dev;
1892 input->devres_managed = true;
1894 devres->input = input;
1902 * input_free_device - free memory occupied by input_dev structure
1918 if (dev->devres_managed)
1919 WARN_ON(devres_destroy(dev->dev.parent,
1929 * input_set_timestamp - set timestamp for input events
1944 dev->timestamp[INPUT_CLK_MONO] = timestamp;
1945 dev->timestamp[INPUT_CLK_REAL] = ktime_mono_to_real(timestamp);
1946 dev->timestamp[INPUT_CLK_BOOT] = ktime_mono_to_any(timestamp,
1952 * input_get_timestamp - get timestamp for input events
1955 * A valid timestamp is a timestamp of non-zero value.
1961 if (!ktime_compare(dev->timestamp[INPUT_CLK_MONO], invalid_timestamp))
1964 return dev->timestamp;
1969 * input_set_capability - mark device as capable of a certain event
1975 * bitmap the function also adjusts dev->evbit.
1981 __set_bit(code, dev->keybit);
1985 __set_bit(code, dev->relbit);
1990 if (!dev->absinfo)
1993 __set_bit(code, dev->absbit);
1997 __set_bit(code, dev->mscbit);
2001 __set_bit(code, dev->swbit);
2005 __set_bit(code, dev->ledbit);
2009 __set_bit(code, dev->sndbit);
2013 __set_bit(code, dev->ffbit);
2026 __set_bit(type, dev->evbit);
2036 if (dev->mt) {
2037 mt_slots = dev->mt->num_slots;
2038 } else if (test_bit(ABS_MT_TRACKING_ID, dev->absbit)) {
2039 mt_slots = dev->absinfo[ABS_MT_TRACKING_ID].maximum -
2040 dev->absinfo[ABS_MT_TRACKING_ID].minimum + 1,
2042 } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) {
2050 if (test_bit(EV_ABS, dev->evbit))
2051 for_each_set_bit(i, dev->absbit, ABS_CNT)
2054 if (test_bit(EV_REL, dev->evbit))
2055 events += bitmap_weight(dev->relbit, REL_CNT);
2065 if (!test_bit(EV_##type, dev->evbit)) \
2066 memset(dev->bits##bit, 0, \
2067 sizeof(dev->bits##bit)); \
2074 INPUT_CLEANSE_BITMASK(dev, ABS, abs);
2090 list_for_each_entry_safe(handle, next, &dev->h_list, d_node)
2091 handle->handler->disconnect(handle);
2092 WARN_ON(!list_empty(&dev->h_list));
2094 del_timer_sync(&dev->timer);
2095 list_del_init(&dev->node);
2101 device_del(&dev->dev);
2107 struct input_dev *input = devres->input;
2110 __func__, dev_name(&input->dev));
2115 * input_enable_softrepeat - enable software autorepeat
2124 dev->timer.function = input_repeat_key;
2125 dev->rep[REP_DELAY] = delay;
2126 dev->rep[REP_PERIOD] = period;
2131 * input_register_device - register device with input core
2146 * that tear down of managed input devices is internally a 2-step process:
2161 if (test_bit(EV_ABS, dev->evbit) && !dev->absinfo) {
2162 dev_err(&dev->dev,
2163 "Absolute device without dev->absinfo, refusing to register\n");
2164 return -EINVAL;
2167 if (dev->devres_managed) {
2171 return -ENOMEM;
2173 devres->input = dev;
2177 __set_bit(EV_SYN, dev->evbit);
2180 __clear_bit(KEY_RESERVED, dev->keybit);
2182 /* Make sure that bitmasks not mentioned in dev->evbit are clean. */
2186 if (dev->hint_events_per_packet < packet_size)
2187 dev->hint_events_per_packet = packet_size;
2189 dev->max_vals = dev->hint_events_per_packet + 2;
2190 dev->vals = kcalloc(dev->max_vals, sizeof(*dev->vals), GFP_KERNEL);
2191 if (!dev->vals) {
2192 error = -ENOMEM;
2197 * If delay and period are pre-set by the driver, then autorepeating
2200 if (!dev->rep[REP_DELAY] && !dev->rep[REP_PERIOD])
2203 if (!dev->getkeycode)
2204 dev->getkeycode = input_default_getkeycode;
2206 if (!dev->setkeycode)
2207 dev->setkeycode = input_default_setkeycode;
2209 if (dev->poller)
2210 input_dev_poller_finalize(dev->poller);
2212 error = device_add(&dev->dev);
2216 path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
2218 dev->name ? dev->name : "Unspecified device",
2226 list_add_tail(&dev->node, &input_dev_list);
2235 if (dev->devres_managed) {
2236 dev_dbg(dev->dev.parent, "%s: registering %s with devres.\n",
2237 __func__, dev_name(&dev->dev));
2238 devres_add(dev->dev.parent, devres);
2243 device_del(&dev->dev);
2245 kfree(dev->vals);
2246 dev->vals = NULL;
2254 * input_unregister_device - unregister previously registered device
2262 if (dev->devres_managed) {
2263 WARN_ON(devres_destroy(dev->dev.parent,
2280 * input_register_handler - register a new input handler
2296 INIT_LIST_HEAD(&handler->h_list);
2298 list_add_tail(&handler->node, &input_handler_list);
2311 * input_unregister_handler - unregisters an input handler
2323 list_for_each_entry_safe(handle, next, &handler->h_list, h_node)
2324 handler->disconnect(handle);
2325 WARN_ON(!list_empty(&handler->h_list));
2327 list_del_init(&handler->node);
2336 * input_handler_for_each_handle - handle iterator
2342 * it @data and stop when @fn returns a non-zero value. The function is
2355 list_for_each_entry_rcu(handle, &handler->h_list, h_node) {
2368 * input_register_handle - register a new input handle
2380 struct input_handler *handler = handle->handler;
2381 struct input_dev *dev = handle->dev;
2385 * We take dev->mutex here to prevent race with
2388 error = mutex_lock_interruptible(&dev->mutex);
2396 if (handler->filter)
2397 list_add_rcu(&handle->d_node, &dev->h_list);
2399 list_add_tail_rcu(&handle->d_node, &dev->h_list);
2401 mutex_unlock(&dev->mutex);
2404 * Since we are supposed to be called from ->connect()
2405 * which is mutually exclusive with ->disconnect()
2409 list_add_tail_rcu(&handle->h_node, &handler->h_list);
2411 if (handler->start)
2412 handler->start(handle);
2419 * input_unregister_handle - unregister an input handle
2430 struct input_dev *dev = handle->dev;
2432 list_del_rcu(&handle->h_node);
2435 * Take dev->mutex to prevent race with input_release_device().
2437 mutex_lock(&dev->mutex);
2438 list_del_rcu(&handle->d_node);
2439 mutex_unlock(&dev->mutex);
2446 * input_get_new_minor - allocates a new input minor number
2460 * This function should be called from input handler's ->connect()
2480 * input_free_minor - release previously allocated minor