Lines Matching refs:dev
86 static void input_start_autorepeat(struct input_dev *dev, int code)
88 if (test_bit(EV_REP, dev->evbit) &&
89 dev->rep[REP_PERIOD] && dev->rep[REP_DELAY] &&
90 dev->timer.function) {
91 dev->repeat_key = code;
92 mod_timer(&dev->timer,
93 jiffies + msecs_to_jiffies(dev->rep[REP_DELAY]));
97 static void input_stop_autorepeat(struct input_dev *dev)
99 del_timer(&dev->timer);
105 * dev->event_lock held and interrupts disabled.
140 * dev->event_lock held and interrupts disabled.
142 static void input_pass_values(struct input_dev *dev,
148 lockdep_assert_held(&dev->event_lock);
155 handle = rcu_dereference(dev->grab);
159 list_for_each_entry_rcu(handle, &dev->h_list, d_node)
170 if (test_bit(EV_REP, dev->evbit) && test_bit(EV_KEY, dev->evbit)) {
174 input_start_autorepeat(dev, v->code);
176 input_stop_autorepeat(dev);
189 static int input_handle_abs_event(struct input_dev *dev,
192 struct input_mt *mt = dev->mt;
211 pold = &dev->absinfo[code].value;
214 is_new_slot = mt->slot != dev->absinfo[ABS_MT_SLOT].value;
225 dev->absinfo[code].fuzz);
234 dev->absinfo[ABS_MT_SLOT].value = mt->slot;
241 static int input_get_disposition(struct input_dev *dev,
248 if (dev->inhibited)
269 if (is_event_supported(code, dev->keybit, KEY_MAX)) {
277 if (!!test_bit(code, dev->key) != !!value) {
279 __change_bit(code, dev->key);
286 if (is_event_supported(code, dev->swbit, SW_MAX) &&
287 !!test_bit(code, dev->sw) != !!value) {
289 __change_bit(code, dev->sw);
295 if (is_event_supported(code, dev->absbit, ABS_MAX))
296 disposition = input_handle_abs_event(dev, code, &value);
301 if (is_event_supported(code, dev->relbit, REL_MAX) && value)
307 if (is_event_supported(code, dev->mscbit, MSC_MAX))
313 if (is_event_supported(code, dev->ledbit, LED_MAX) &&
314 !!test_bit(code, dev->led) != !!value) {
316 __change_bit(code, dev->led);
322 if (is_event_supported(code, dev->sndbit, SND_MAX)) {
324 if (!!test_bit(code, dev->snd) != !!value)
325 __change_bit(code, dev->snd);
331 if (code <= REP_MAX && value >= 0 && dev->rep[code] != value) {
332 dev->rep[code] = value;
351 static void input_event_dispose(struct input_dev *dev, int disposition,
354 if ((disposition & INPUT_PASS_TO_DEVICE) && dev->event)
355 dev->event(dev, type, code, value);
357 if (!dev->vals)
364 v = &dev->vals[dev->num_vals++];
367 v->value = dev->mt->slot;
370 v = &dev->vals[dev->num_vals++];
377 if (dev->num_vals >= 2)
378 input_pass_values(dev, dev->vals, dev->num_vals);
379 dev->num_vals = 0;
386 dev->timestamp[INPUT_CLK_MONO] = ktime_set(0, 0);
387 } else if (dev->num_vals >= dev->max_vals - 2) {
388 dev->vals[dev->num_vals++] = input_value_sync;
389 input_pass_values(dev, dev->vals, dev->num_vals);
390 dev->num_vals = 0;
394 void input_handle_event(struct input_dev *dev,
399 lockdep_assert_held(&dev->event_lock);
401 disposition = input_get_disposition(dev, type, code, &value);
406 input_event_dispose(dev, disposition, type, code, value);
412 * @dev: device that generated the event
427 void input_event(struct input_dev *dev,
432 if (is_event_supported(type, dev->evbit, EV_MAX)) {
434 spin_lock_irqsave(&dev->event_lock, flags);
435 input_handle_event(dev, type, code, value);
436 spin_unlock_irqrestore(&dev->event_lock, flags);
455 struct input_dev *dev = handle->dev;
459 if (is_event_supported(type, dev->evbit, EV_MAX)) {
460 spin_lock_irqsave(&dev->event_lock, flags);
463 grab = rcu_dereference(dev->grab);
465 input_handle_event(dev, type, code, value);
468 spin_unlock_irqrestore(&dev->event_lock, flags);
475 * @dev: the input device emitting absolute events
480 void input_alloc_absinfo(struct input_dev *dev)
482 if (dev->absinfo)
485 dev->absinfo = kcalloc(ABS_CNT, sizeof(*dev->absinfo), GFP_KERNEL);
486 if (!dev->absinfo) {
487 dev_err(dev->dev.parent ?: &dev->dev,
498 void input_set_abs_params(struct input_dev *dev, unsigned int axis,
503 __set_bit(EV_ABS, dev->evbit);
504 __set_bit(axis, dev->absbit);
506 input_alloc_absinfo(dev);
507 if (!dev->absinfo)
510 absinfo = &dev->absinfo[axis];
565 struct input_dev *dev = handle->dev;
568 retval = mutex_lock_interruptible(&dev->mutex);
572 if (dev->grab) {
577 rcu_assign_pointer(dev->grab, handle);
580 mutex_unlock(&dev->mutex);
587 struct input_dev *dev = handle->dev;
590 grabber = rcu_dereference_protected(dev->grab,
591 lockdep_is_held(&dev->mutex));
593 rcu_assign_pointer(dev->grab, NULL);
597 list_for_each_entry(handle, &dev->h_list, d_node)
614 struct input_dev *dev = handle->dev;
616 mutex_lock(&dev->mutex);
618 mutex_unlock(&dev->mutex);
631 struct input_dev *dev = handle->dev;
634 retval = mutex_lock_interruptible(&dev->mutex);
638 if (dev->going_away) {
645 if (dev->users++ || dev->inhibited) {
653 if (dev->open) {
654 retval = dev->open(dev);
656 dev->users--;
667 if (dev->poller)
668 input_dev_poller_start(dev->poller);
671 mutex_unlock(&dev->mutex);
678 struct input_dev *dev = handle->dev;
681 retval = mutex_lock_interruptible(&dev->mutex);
685 if (dev->flush)
686 retval = dev->flush(dev, file);
688 mutex_unlock(&dev->mutex);
702 struct input_dev *dev = handle->dev;
704 mutex_lock(&dev->mutex);
708 if (!--dev->users && !dev->inhibited) {
709 if (dev->poller)
710 input_dev_poller_stop(dev->poller);
711 if (dev->close)
712 dev->close(dev);
724 mutex_unlock(&dev->mutex);
730 * The function must be called with dev->event_lock held.
732 static bool input_dev_release_keys(struct input_dev *dev)
737 lockdep_assert_held(&dev->event_lock);
739 if (is_event_supported(EV_KEY, dev->evbit, EV_MAX)) {
740 for_each_set_bit(code, dev->key, KEY_CNT) {
741 input_handle_event(dev, EV_KEY, code, 0);
752 static void input_disconnect_device(struct input_dev *dev)
757 * Mark device as going away. Note that we take dev->mutex here
758 * not to protect access to dev->going_away but rather to ensure
761 mutex_lock(&dev->mutex);
762 dev->going_away = true;
763 mutex_unlock(&dev->mutex);
765 spin_lock_irq(&dev->event_lock);
773 if (input_dev_release_keys(dev))
774 input_handle_event(dev, EV_SYN, SYN_REPORT, 1);
776 list_for_each_entry(handle, &dev->h_list, d_node)
779 spin_unlock_irq(&dev->event_lock);
821 static unsigned int input_fetch_keycode(struct input_dev *dev,
824 switch (dev->keycodesize) {
826 return ((u8 *)dev->keycode)[index];
829 return ((u16 *)dev->keycode)[index];
832 return ((u32 *)dev->keycode)[index];
836 static int input_default_getkeycode(struct input_dev *dev,
842 if (!dev->keycodesize)
853 if (index >= dev->keycodemax)
856 ke->keycode = input_fetch_keycode(dev, index);
864 static int input_default_setkeycode(struct input_dev *dev,
872 if (!dev->keycodesize)
883 if (index >= dev->keycodemax)
886 if (dev->keycodesize < sizeof(ke->keycode) &&
887 (ke->keycode >> (dev->keycodesize * 8)))
890 switch (dev->keycodesize) {
892 u8 *k = (u8 *)dev->keycode;
898 u16 *k = (u16 *)dev->keycode;
904 u32 *k = (u32 *)dev->keycode;
912 __clear_bit(*old_keycode, dev->keybit);
913 for (i = 0; i < dev->keycodemax; i++) {
914 if (input_fetch_keycode(dev, i) == *old_keycode) {
915 __set_bit(*old_keycode, dev->keybit);
922 __set_bit(ke->keycode, dev->keybit);
928 * @dev: input device which keymap is being queried
934 int input_get_keycode(struct input_dev *dev, struct input_keymap_entry *ke)
939 spin_lock_irqsave(&dev->event_lock, flags);
940 retval = dev->getkeycode(dev, ke);
941 spin_unlock_irqrestore(&dev->event_lock, flags);
949 * @dev: input device which keymap is being updated
955 int input_set_keycode(struct input_dev *dev,
965 spin_lock_irqsave(&dev->event_lock, flags);
967 retval = dev->setkeycode(dev, ke, &old_keycode);
972 __clear_bit(KEY_RESERVED, dev->keybit);
979 dev_warn(dev->dev.parent ?: &dev->dev,
982 } else if (test_bit(EV_KEY, dev->evbit) &&
983 !is_event_supported(old_keycode, dev->keybit, KEY_MAX) &&
984 __test_and_clear_bit(old_keycode, dev->key)) {
991 input_event_dispose(dev, INPUT_PASS_TO_HANDLERS,
993 input_event_dispose(dev, INPUT_PASS_TO_HANDLERS | INPUT_FLUSH,
998 spin_unlock_irqrestore(&dev->event_lock, flags);
1004 bool input_match_device_id(const struct input_dev *dev,
1008 if (id->bustype != dev->id.bustype)
1012 if (id->vendor != dev->id.vendor)
1016 if (id->product != dev->id.product)
1020 if (id->version != dev->id.version)
1023 if (!bitmap_subset(id->evbit, dev->evbit, EV_MAX) ||
1024 !bitmap_subset(id->keybit, dev->keybit, KEY_MAX) ||
1025 !bitmap_subset(id->relbit, dev->relbit, REL_MAX) ||
1026 !bitmap_subset(id->absbit, dev->absbit, ABS_MAX) ||
1027 !bitmap_subset(id->mscbit, dev->mscbit, MSC_MAX) ||
1028 !bitmap_subset(id->ledbit, dev->ledbit, LED_MAX) ||
1029 !bitmap_subset(id->sndbit, dev->sndbit, SND_MAX) ||
1030 !bitmap_subset(id->ffbit, dev->ffbit, FF_MAX) ||
1031 !bitmap_subset(id->swbit, dev->swbit, SW_MAX) ||
1032 !bitmap_subset(id->propbit, dev->propbit, INPUT_PROP_MAX)) {
1041 struct input_dev *dev)
1046 if (input_match_device_id(dev, id) &&
1047 (!handler->match || handler->match(handler, dev))) {
1055 static int input_attach_handler(struct input_dev *dev, struct input_handler *handler)
1060 id = input_match_device(handler, dev);
1064 error = handler->connect(handler, dev, id);
1067 handler->name, kobject_name(&dev->dev.kobj), error);
1198 struct input_dev *dev = container_of(v, struct input_dev, node);
1199 const char *path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
1203 dev->id.bustype, dev->id.vendor, dev->id.product, dev->id.version);
1205 seq_printf(seq, "N: Name=\"%s\"\n", dev->name ? dev->name : "");
1206 seq_printf(seq, "P: Phys=%s\n", dev->phys ? dev->phys : "");
1208 seq_printf(seq, "U: Uniq=%s\n", dev->uniq ? dev->uniq : "");
1211 list_for_each_entry(handle, &dev->h_list, d_node)
1215 input_seq_print_bitmap(seq, "PROP", dev->propbit, INPUT_PROP_MAX);
1217 input_seq_print_bitmap(seq, "EV", dev->evbit, EV_MAX);
1218 if (test_bit(EV_KEY, dev->evbit))
1219 input_seq_print_bitmap(seq, "KEY", dev->keybit, KEY_MAX);
1220 if (test_bit(EV_REL, dev->evbit))
1221 input_seq_print_bitmap(seq, "REL", dev->relbit, REL_MAX);
1222 if (test_bit(EV_ABS, dev->evbit))
1223 input_seq_print_bitmap(seq, "ABS", dev->absbit, ABS_MAX);
1224 if (test_bit(EV_MSC, dev->evbit))
1225 input_seq_print_bitmap(seq, "MSC", dev->mscbit, MSC_MAX);
1226 if (test_bit(EV_LED, dev->evbit))
1227 input_seq_print_bitmap(seq, "LED", dev->ledbit, LED_MAX);
1228 if (test_bit(EV_SND, dev->evbit))
1229 input_seq_print_bitmap(seq, "SND", dev->sndbit, SND_MAX);
1230 if (test_bit(EV_FF, dev->evbit))
1231 input_seq_print_bitmap(seq, "FF", dev->ffbit, FF_MAX);
1232 if (test_bit(EV_SW, dev->evbit))
1233 input_seq_print_bitmap(seq, "SW", dev->swbit, SW_MAX);
1362 static ssize_t input_dev_show_##name(struct device *dev, \
1366 struct input_dev *input_dev = to_input_dev(dev); \
1425 static ssize_t input_dev_show_modalias(struct device *dev,
1429 struct input_dev *id = to_input_dev(dev);
1441 static ssize_t input_dev_show_properties(struct device *dev,
1445 struct input_dev *input_dev = to_input_dev(dev);
1452 static int input_inhibit_device(struct input_dev *dev);
1453 static int input_uninhibit_device(struct input_dev *dev);
1455 static ssize_t inhibited_show(struct device *dev,
1459 struct input_dev *input_dev = to_input_dev(dev);
1464 static ssize_t inhibited_store(struct device *dev,
1468 struct input_dev *input_dev = to_input_dev(dev);
1503 static ssize_t input_dev_show_id_##name(struct device *dev, \
1507 struct input_dev *input_dev = to_input_dev(dev); \
1560 static ssize_t input_dev_show_cap_##bm(struct device *dev, \
1564 struct input_dev *input_dev = to_input_dev(dev); \
1610 struct input_dev *dev = to_input_dev(device);
1612 input_ff_destroy(dev);
1613 input_mt_destroy_slots(dev);
1614 kfree(dev->poller);
1615 kfree(dev->absinfo);
1616 kfree(dev->vals);
1617 kfree(dev);
1645 const struct input_dev *dev)
1654 dev, 0);
1676 #define INPUT_ADD_HOTPLUG_MODALIAS_VAR(dev) \
1678 int err = input_add_uevent_modalias_var(env, dev); \
1685 const struct input_dev *dev = to_input_dev(device);
1688 dev->id.bustype, dev->id.vendor,
1689 dev->id.product, dev->id.version);
1690 if (dev->name)
1691 INPUT_ADD_HOTPLUG_VAR("NAME=\"%s\"", dev->name);
1692 if (dev->phys)
1693 INPUT_ADD_HOTPLUG_VAR("PHYS=\"%s\"", dev->phys);
1694 if (dev->uniq)
1695 INPUT_ADD_HOTPLUG_VAR("UNIQ=\"%s\"", dev->uniq);
1697 INPUT_ADD_HOTPLUG_BM_VAR("PROP=", dev->propbit, INPUT_PROP_MAX);
1699 INPUT_ADD_HOTPLUG_BM_VAR("EV=", dev->evbit, EV_MAX);
1700 if (test_bit(EV_KEY, dev->evbit))
1701 INPUT_ADD_HOTPLUG_BM_VAR("KEY=", dev->keybit, KEY_MAX);
1702 if (test_bit(EV_REL, dev->evbit))
1703 INPUT_ADD_HOTPLUG_BM_VAR("REL=", dev->relbit, REL_MAX);
1704 if (test_bit(EV_ABS, dev->evbit))
1705 INPUT_ADD_HOTPLUG_BM_VAR("ABS=", dev->absbit, ABS_MAX);
1706 if (test_bit(EV_MSC, dev->evbit))
1707 INPUT_ADD_HOTPLUG_BM_VAR("MSC=", dev->mscbit, MSC_MAX);
1708 if (test_bit(EV_LED, dev->evbit))
1709 INPUT_ADD_HOTPLUG_BM_VAR("LED=", dev->ledbit, LED_MAX);
1710 if (test_bit(EV_SND, dev->evbit))
1711 INPUT_ADD_HOTPLUG_BM_VAR("SND=", dev->sndbit, SND_MAX);
1712 if (test_bit(EV_FF, dev->evbit))
1713 INPUT_ADD_HOTPLUG_BM_VAR("FF=", dev->ffbit, FF_MAX);
1714 if (test_bit(EV_SW, dev->evbit))
1715 INPUT_ADD_HOTPLUG_BM_VAR("SW=", dev->swbit, SW_MAX);
1717 INPUT_ADD_HOTPLUG_MODALIAS_VAR(dev);
1722 #define INPUT_DO_TOGGLE(dev, type, bits, on) \
1727 if (!test_bit(EV_##type, dev->evbit)) \
1730 for_each_set_bit(i, dev->bits##bit, type##_CNT) { \
1731 active = test_bit(i, dev->bits); \
1735 dev->event(dev, EV_##type, i, on ? active : 0); \
1739 static void input_dev_toggle(struct input_dev *dev, bool activate)
1741 if (!dev->event)
1744 INPUT_DO_TOGGLE(dev, LED, led, activate);
1745 INPUT_DO_TOGGLE(dev, SND, snd, activate);
1747 if (activate && test_bit(EV_REP, dev->evbit)) {
1748 dev->event(dev, EV_REP, REP_PERIOD, dev->rep[REP_PERIOD]);
1749 dev->event(dev, EV_REP, REP_DELAY, dev->rep[REP_DELAY]);
1755 * @dev: input device whose state needs to be reset
1761 void input_reset_device(struct input_dev *dev)
1765 mutex_lock(&dev->mutex);
1766 spin_lock_irqsave(&dev->event_lock, flags);
1768 input_dev_toggle(dev, true);
1769 if (input_dev_release_keys(dev))
1770 input_handle_event(dev, EV_SYN, SYN_REPORT, 1);
1772 spin_unlock_irqrestore(&dev->event_lock, flags);
1773 mutex_unlock(&dev->mutex);
1777 static int input_inhibit_device(struct input_dev *dev)
1779 mutex_lock(&dev->mutex);
1781 if (dev->inhibited)
1784 if (dev->users) {
1785 if (dev->close)
1786 dev->close(dev);
1787 if (dev->poller)
1788 input_dev_poller_stop(dev->poller);
1791 spin_lock_irq(&dev->event_lock);
1792 input_mt_release_slots(dev);
1793 input_dev_release_keys(dev);
1794 input_handle_event(dev, EV_SYN, SYN_REPORT, 1);
1795 input_dev_toggle(dev, false);
1796 spin_unlock_irq(&dev->event_lock);
1798 dev->inhibited = true;
1801 mutex_unlock(&dev->mutex);
1805 static int input_uninhibit_device(struct input_dev *dev)
1809 mutex_lock(&dev->mutex);
1811 if (!dev->inhibited)
1814 if (dev->users) {
1815 if (dev->open) {
1816 ret = dev->open(dev);
1820 if (dev->poller)
1821 input_dev_poller_start(dev->poller);
1824 dev->inhibited = false;
1825 spin_lock_irq(&dev->event_lock);
1826 input_dev_toggle(dev, true);
1827 spin_unlock_irq(&dev->event_lock);
1830 mutex_unlock(&dev->mutex);
1834 static int input_dev_suspend(struct device *dev)
1836 struct input_dev *input_dev = to_input_dev(dev);
1855 static int input_dev_resume(struct device *dev)
1857 struct input_dev *input_dev = to_input_dev(dev);
1869 static int input_dev_freeze(struct device *dev)
1871 struct input_dev *input_dev = to_input_dev(dev);
1887 static int input_dev_poweroff(struct device *dev)
1889 struct input_dev *input_dev = to_input_dev(dev);
1916 static char *input_devnode(const struct device *dev, umode_t *mode)
1918 return kasprintf(GFP_KERNEL, "input/%s", dev_name(dev));
1939 struct input_dev *dev;
1941 dev = kzalloc(sizeof(*dev), GFP_KERNEL);
1942 if (dev) {
1943 dev->dev.type = &input_dev_type;
1944 dev->dev.class = &input_class;
1945 device_initialize(&dev->dev);
1946 mutex_init(&dev->mutex);
1947 spin_lock_init(&dev->event_lock);
1948 timer_setup(&dev->timer, NULL, 0);
1949 INIT_LIST_HEAD(&dev->h_list);
1950 INIT_LIST_HEAD(&dev->node);
1952 dev_set_name(&dev->dev, "input%lu",
1958 return dev;
1966 static int devm_input_device_match(struct device *dev, void *res, void *data)
1973 static void devm_input_device_release(struct device *dev, void *res)
1978 dev_dbg(dev, "%s: dropping reference to %s\n",
1979 __func__, dev_name(&input->dev));
1985 * @dev: device owning the input device being created
2001 struct input_dev *devm_input_allocate_device(struct device *dev)
2017 input->dev.parent = dev;
2021 devres_add(dev, devres);
2029 * @dev: input device to free
2041 void input_free_device(struct input_dev *dev)
2043 if (dev) {
2044 if (dev->devres_managed)
2045 WARN_ON(devres_destroy(dev->dev.parent,
2048 dev));
2049 input_put_device(dev);
2056 * @dev: input device to set timestamp for
2068 void input_set_timestamp(struct input_dev *dev, ktime_t timestamp)
2070 dev->timestamp[INPUT_CLK_MONO] = timestamp;
2071 dev->timestamp[INPUT_CLK_REAL] = ktime_mono_to_real(timestamp);
2072 dev->timestamp[INPUT_CLK_BOOT] = ktime_mono_to_any(timestamp,
2079 * @dev: input device to get timestamp from
2083 ktime_t *input_get_timestamp(struct input_dev *dev)
2087 if (!ktime_compare(dev->timestamp[INPUT_CLK_MONO], invalid_timestamp))
2088 input_set_timestamp(dev, ktime_get());
2090 return dev->timestamp;
2096 * @dev: device that is capable of emitting or accepting event
2101 * bitmap the function also adjusts dev->evbit.
2103 void input_set_capability(struct input_dev *dev, unsigned int type, unsigned int code)
2115 __set_bit(code, dev->keybit);
2119 __set_bit(code, dev->relbit);
2123 input_alloc_absinfo(dev);
2124 __set_bit(code, dev->absbit);
2128 __set_bit(code, dev->mscbit);
2132 __set_bit(code, dev->swbit);
2136 __set_bit(code, dev->ledbit);
2140 __set_bit(code, dev->sndbit);
2144 __set_bit(code, dev->ffbit);
2157 __set_bit(type, dev->evbit);
2161 static unsigned int input_estimate_events_per_packet(struct input_dev *dev)
2167 if (dev->mt) {
2168 mt_slots = dev->mt->num_slots;
2169 } else if (test_bit(ABS_MT_TRACKING_ID, dev->absbit)) {
2170 mt_slots = dev->absinfo[ABS_MT_TRACKING_ID].maximum -
2171 dev->absinfo[ABS_MT_TRACKING_ID].minimum + 1,
2173 } else if (test_bit(ABS_MT_POSITION_X, dev->absbit)) {
2181 if (test_bit(EV_ABS, dev->evbit))
2182 for_each_set_bit(i, dev->absbit, ABS_CNT)
2185 if (test_bit(EV_REL, dev->evbit))
2186 events += bitmap_weight(dev->relbit, REL_CNT);
2194 #define INPUT_CLEANSE_BITMASK(dev, type, bits) \
2196 if (!test_bit(EV_##type, dev->evbit)) \
2197 memset(dev->bits##bit, 0, \
2198 sizeof(dev->bits##bit)); \
2201 static void input_cleanse_bitmasks(struct input_dev *dev)
2203 INPUT_CLEANSE_BITMASK(dev, KEY, key);
2204 INPUT_CLEANSE_BITMASK(dev, REL, rel);
2205 INPUT_CLEANSE_BITMASK(dev, ABS, abs);
2206 INPUT_CLEANSE_BITMASK(dev, MSC, msc);
2207 INPUT_CLEANSE_BITMASK(dev, LED, led);
2208 INPUT_CLEANSE_BITMASK(dev, SND, snd);
2209 INPUT_CLEANSE_BITMASK(dev, FF, ff);
2210 INPUT_CLEANSE_BITMASK(dev, SW, sw);
2213 static void __input_unregister_device(struct input_dev *dev)
2217 input_disconnect_device(dev);
2221 list_for_each_entry_safe(handle, next, &dev->h_list, d_node)
2223 WARN_ON(!list_empty(&dev->h_list));
2225 del_timer_sync(&dev->timer);
2226 list_del_init(&dev->node);
2232 device_del(&dev->dev);
2235 static void devm_input_device_unregister(struct device *dev, void *res)
2240 dev_dbg(dev, "%s: unregistering device %s\n",
2241 __func__, dev_name(&input->dev));
2247 * dev->event_lock here to avoid racing with input_event
2252 struct input_dev *dev = from_timer(dev, t, timer);
2255 spin_lock_irqsave(&dev->event_lock, flags);
2257 if (!dev->inhibited &&
2258 test_bit(dev->repeat_key, dev->key) &&
2259 is_event_supported(dev->repeat_key, dev->keybit, KEY_MAX)) {
2261 input_set_timestamp(dev, ktime_get());
2262 input_handle_event(dev, EV_KEY, dev->repeat_key, 2);
2263 input_handle_event(dev, EV_SYN, SYN_REPORT, 1);
2265 if (dev->rep[REP_PERIOD])
2266 mod_timer(&dev->timer, jiffies +
2267 msecs_to_jiffies(dev->rep[REP_PERIOD]));
2270 spin_unlock_irqrestore(&dev->event_lock, flags);
2275 * @dev: input device
2281 void input_enable_softrepeat(struct input_dev *dev, int delay, int period)
2283 dev->timer.function = input_repeat_key;
2284 dev->rep[REP_DELAY] = delay;
2285 dev->rep[REP_PERIOD] = period;
2289 bool input_device_enabled(struct input_dev *dev)
2291 lockdep_assert_held(&dev->mutex);
2293 return !dev->inhibited && dev->users > 0;
2299 * @dev: device to be registered
2320 int input_register_device(struct input_dev *dev)
2328 if (test_bit(EV_ABS, dev->evbit) && !dev->absinfo) {
2329 dev_err(&dev->dev,
2330 "Absolute device without dev->absinfo, refusing to register\n");
2334 if (dev->devres_managed) {
2340 devres->input = dev;
2344 __set_bit(EV_SYN, dev->evbit);
2347 __clear_bit(KEY_RESERVED, dev->keybit);
2349 /* Make sure that bitmasks not mentioned in dev->evbit are clean. */
2350 input_cleanse_bitmasks(dev);
2352 packet_size = input_estimate_events_per_packet(dev);
2353 if (dev->hint_events_per_packet < packet_size)
2354 dev->hint_events_per_packet = packet_size;
2356 dev->max_vals = dev->hint_events_per_packet + 2;
2357 dev->vals = kcalloc(dev->max_vals, sizeof(*dev->vals), GFP_KERNEL);
2358 if (!dev->vals) {
2367 if (!dev->rep[REP_DELAY] && !dev->rep[REP_PERIOD])
2368 input_enable_softrepeat(dev, 250, 33);
2370 if (!dev->getkeycode)
2371 dev->getkeycode = input_default_getkeycode;
2373 if (!dev->setkeycode)
2374 dev->setkeycode = input_default_setkeycode;
2376 if (dev->poller)
2377 input_dev_poller_finalize(dev->poller);
2379 error = device_add(&dev->dev);
2383 path = kobject_get_path(&dev->dev.kobj, GFP_KERNEL);
2385 dev->name ? dev->name : "Unspecified device",
2393 list_add_tail(&dev->node, &input_dev_list);
2396 input_attach_handler(dev, handler);
2402 if (dev->devres_managed) {
2403 dev_dbg(dev->dev.parent, "%s: registering %s with devres.\n",
2404 __func__, dev_name(&dev->dev));
2405 devres_add(dev->dev.parent, devres);
2410 device_del(&dev->dev);
2412 kfree(dev->vals);
2413 dev->vals = NULL;
2422 * @dev: device to be unregistered
2427 void input_unregister_device(struct input_dev *dev)
2429 if (dev->devres_managed) {
2430 WARN_ON(devres_destroy(dev->dev.parent,
2433 dev));
2434 __input_unregister_device(dev);
2440 __input_unregister_device(dev);
2441 input_put_device(dev);
2456 struct input_dev *dev;
2467 list_for_each_entry(dev, &input_dev_list, node)
2468 input_attach_handler(dev, handler);
2548 struct input_dev *dev = handle->dev;
2552 * We take dev->mutex here to prevent race with
2555 error = mutex_lock_interruptible(&dev->mutex);
2564 list_add_rcu(&handle->d_node, &dev->h_list);
2566 list_add_tail_rcu(&handle->d_node, &dev->h_list);
2568 mutex_unlock(&dev->mutex);
2597 struct input_dev *dev = handle->dev;
2602 * Take dev->mutex to prevent race with input_release_device().
2604 mutex_lock(&dev->mutex);
2606 mutex_unlock(&dev->mutex);