Lines Matching +full:input +full:- +full:value
1 // SPDX-License-Identifier: GPL-2.0-or-later
3 * Copyright (c) 2000-2001 Vojtech Pavlik
4 * Copyright (c) 2006-2010 Jiri Kosina
6 * HID to Linux Input mapping
12 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
21 #include <linux/hid-debug.h>
23 #include "hid-ids.h"
49 } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1…
62 * hid-input will convert this list into priorities:
67 * hid-input will then shift the priority by 8 bits to leave some space
71 * defined in the next 8 bits (defined by 0xff - slot).
73 * If drivers want to add fields before those, hid-input will
74 * leave out the first 8 bits of the priority value.
110 return (usage->hid & (HID_USAGE_PAGE | HID_USAGE)) == scancode; in match_scancode()
119 return (usage->type == EV_KEY && usage->code == keycode); in match_keycode()
133 unsigned int value, in hidinput_find_key() argument
141 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { in hidinput_find_key()
142 for (i = 0; i < report->maxfield; i++) { in hidinput_find_key()
143 for (j = 0; j < report->field[i]->maxusage; j++) { in hidinput_find_key()
144 usage = report->field[i]->usage + j; in hidinput_find_key()
145 if (usage->type == EV_KEY || usage->type == 0) { in hidinput_find_key()
146 if (match(usage, cur_idx, value)) { in hidinput_find_key()
167 if (ke->flags & INPUT_KEYMAP_BY_INDEX) in hidinput_locate_usage()
168 usage = hidinput_find_key(hid, match_index, ke->index, index); in hidinput_locate_usage()
186 ke->keycode = usage->type == EV_KEY ? in hidinput_getkeycode()
187 usage->code : KEY_RESERVED; in hidinput_getkeycode()
188 ke->index = index; in hidinput_getkeycode()
189 scancode = usage->hid & (HID_USAGE_PAGE | HID_USAGE); in hidinput_getkeycode()
190 ke->len = sizeof(scancode); in hidinput_getkeycode()
191 memcpy(ke->scancode, &scancode, sizeof(scancode)); in hidinput_getkeycode()
195 return -EINVAL; in hidinput_getkeycode()
207 *old_keycode = usage->type == EV_KEY ? in hidinput_setkeycode()
208 usage->code : KEY_RESERVED; in hidinput_setkeycode()
209 usage->type = EV_KEY; in hidinput_setkeycode()
210 usage->code = ke->keycode; in hidinput_setkeycode()
212 clear_bit(*old_keycode, dev->keybit); in hidinput_setkeycode()
213 set_bit(usage->code, dev->keybit); in hidinput_setkeycode()
215 usage->code, usage->hid); in hidinput_setkeycode()
222 set_bit(*old_keycode, dev->keybit); in hidinput_setkeycode()
227 return -EINVAL; in hidinput_setkeycode()
232 * hidinput_calc_abs_res - calculate an absolute axis resolution
237 * (logical_maximum - logical_minimum)
238 * resolution = ----------------------------------------------------------
239 * (physical_maximum - physical_minimum) * 10 ^ unit_exponent
248 __s32 unit_exponent = field->unit_exponent; in hidinput_calc_abs_res()
249 __s32 logical_extents = field->logical_maximum - in hidinput_calc_abs_res()
250 field->logical_minimum; in hidinput_calc_abs_res()
251 __s32 physical_extents = field->physical_maximum - in hidinput_calc_abs_res()
252 field->physical_minimum; in hidinput_calc_abs_res()
273 if (field->unit == 0x11) { /* If centimeters */ in hidinput_calc_abs_res()
276 } else if (field->unit == 0x13) { /* If inches */ in hidinput_calc_abs_res()
282 unit_exponent -= 1; in hidinput_calc_abs_res()
294 if (field->unit == 0x14) { /* If degrees */ in hidinput_calc_abs_res()
301 } else if (field->unit != 0x12) { /* If not radians */ in hidinput_calc_abs_res()
318 for (; unit_exponent > 0; unit_exponent--) { in hidinput_calc_abs_res()
389 * Elan I2C-HID touchscreens seem to all report a non present battery,
390 * set HID_BATTERY_QUIRK_IGNORE for all Elan I2C-HID devices.
403 quirks = match->driver_data; in find_battery_quirk()
409 int value) in hidinput_scale_battery_capacity() argument
411 if (dev->battery_min < dev->battery_max && in hidinput_scale_battery_capacity()
412 value >= dev->battery_min && value <= dev->battery_max) in hidinput_scale_battery_capacity()
413 value = ((value - dev->battery_min) * 100) / in hidinput_scale_battery_capacity()
414 (dev->battery_max - dev->battery_min); in hidinput_scale_battery_capacity()
416 return value; in hidinput_scale_battery_capacity()
426 return -ENOMEM; in hidinput_query_battery_capacity()
428 ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 4, in hidinput_query_battery_capacity()
429 dev->battery_report_type, HID_REQ_GET_REPORT); in hidinput_query_battery_capacity()
432 return -ENODATA; in hidinput_query_battery_capacity()
445 int value; in hidinput_get_battery_property() local
451 val->intval = 1; in hidinput_get_battery_property()
455 if (dev->battery_status != HID_BATTERY_REPORTED && in hidinput_get_battery_property()
456 !dev->battery_avoid_query) { in hidinput_get_battery_property()
457 value = hidinput_query_battery_capacity(dev); in hidinput_get_battery_property()
458 if (value < 0) in hidinput_get_battery_property()
459 return value; in hidinput_get_battery_property()
461 value = dev->battery_capacity; in hidinput_get_battery_property()
464 val->intval = value; in hidinput_get_battery_property()
468 val->strval = dev->name; in hidinput_get_battery_property()
472 if (dev->battery_status != HID_BATTERY_REPORTED && in hidinput_get_battery_property()
473 !dev->battery_avoid_query) { in hidinput_get_battery_property()
474 value = hidinput_query_battery_capacity(dev); in hidinput_get_battery_property()
475 if (value < 0) in hidinput_get_battery_property()
476 return value; in hidinput_get_battery_property()
478 dev->battery_capacity = value; in hidinput_get_battery_property()
479 dev->battery_status = HID_BATTERY_QUERIED; in hidinput_get_battery_property()
482 if (dev->battery_status == HID_BATTERY_UNKNOWN) in hidinput_get_battery_property()
483 val->intval = POWER_SUPPLY_STATUS_UNKNOWN; in hidinput_get_battery_property()
485 val->intval = dev->battery_charge_status; in hidinput_get_battery_property()
489 val->intval = POWER_SUPPLY_SCOPE_DEVICE; in hidinput_get_battery_property()
493 ret = -EINVAL; in hidinput_get_battery_property()
509 if (dev->battery) in hidinput_setup_battery()
515 dev->bus, dev->vendor, dev->product, dev->version, quirks); in hidinput_setup_battery()
522 return -ENOMEM; in hidinput_setup_battery()
524 psy_desc->name = kasprintf(GFP_KERNEL, "hid-%s-battery", in hidinput_setup_battery()
525 strlen(dev->uniq) ? in hidinput_setup_battery()
526 dev->uniq : dev_name(&dev->dev)); in hidinput_setup_battery()
527 if (!psy_desc->name) { in hidinput_setup_battery()
528 error = -ENOMEM; in hidinput_setup_battery()
532 psy_desc->type = POWER_SUPPLY_TYPE_BATTERY; in hidinput_setup_battery()
533 psy_desc->properties = hidinput_battery_props; in hidinput_setup_battery()
534 psy_desc->num_properties = ARRAY_SIZE(hidinput_battery_props); in hidinput_setup_battery()
535 psy_desc->use_for_apm = 0; in hidinput_setup_battery()
536 psy_desc->get_property = hidinput_get_battery_property; in hidinput_setup_battery()
538 min = field->logical_minimum; in hidinput_setup_battery()
539 max = field->logical_maximum; in hidinput_setup_battery()
549 dev->battery_min = min; in hidinput_setup_battery()
550 dev->battery_max = max; in hidinput_setup_battery()
551 dev->battery_report_type = report_type; in hidinput_setup_battery()
552 dev->battery_report_id = field->report->id; in hidinput_setup_battery()
553 dev->battery_charge_status = POWER_SUPPLY_STATUS_DISCHARGING; in hidinput_setup_battery()
560 dev->battery_avoid_query = report_type == HID_INPUT_REPORT && in hidinput_setup_battery()
561 field->physical == HID_DG_STYLUS; in hidinput_setup_battery()
564 dev->battery_avoid_query = true; in hidinput_setup_battery()
566 dev->battery = power_supply_register(&dev->dev, psy_desc, &psy_cfg); in hidinput_setup_battery()
567 if (IS_ERR(dev->battery)) { in hidinput_setup_battery()
568 error = PTR_ERR(dev->battery); in hidinput_setup_battery()
573 power_supply_powers(dev->battery, &dev->dev); in hidinput_setup_battery()
577 kfree(psy_desc->name); in hidinput_setup_battery()
580 dev->battery = NULL; in hidinput_setup_battery()
588 if (!dev->battery) in hidinput_cleanup_battery()
591 psy_desc = dev->battery->desc; in hidinput_cleanup_battery()
592 power_supply_unregister(dev->battery); in hidinput_cleanup_battery()
593 kfree(psy_desc->name); in hidinput_cleanup_battery()
595 dev->battery = NULL; in hidinput_cleanup_battery()
598 static void hidinput_update_battery(struct hid_device *dev, int value) in hidinput_update_battery() argument
602 if (!dev->battery) in hidinput_update_battery()
605 if (value == 0 || value < dev->battery_min || value > dev->battery_max) in hidinput_update_battery()
608 capacity = hidinput_scale_battery_capacity(dev, value); in hidinput_update_battery()
610 if (dev->battery_status != HID_BATTERY_REPORTED || in hidinput_update_battery()
611 capacity != dev->battery_capacity || in hidinput_update_battery()
612 ktime_after(ktime_get_coarse(), dev->battery_ratelimit_time)) { in hidinput_update_battery()
613 dev->battery_capacity = capacity; in hidinput_update_battery()
614 dev->battery_status = HID_BATTERY_REPORTED; in hidinput_update_battery()
615 dev->battery_ratelimit_time = in hidinput_update_battery()
617 power_supply_changed(dev->battery); in hidinput_update_battery()
622 unsigned int usage, int value) in hidinput_set_battery_charge_status() argument
626 dev->battery_charge_status = value ? in hidinput_set_battery_charge_status()
645 static void hidinput_update_battery(struct hid_device *dev, int value) in hidinput_update_battery() argument
650 unsigned int usage, int value) in hidinput_set_battery_charge_status() argument
661 collection = &device->collection[field->usage->collection_index]; in hidinput_field_in_collection()
663 return collection->type == type && collection->usage == usage; in hidinput_field_in_collection()
669 struct input_dev *input = hidinput->input; in hidinput_configure_usage() local
670 struct hid_device *device = input_get_drvdata(input); in hidinput_configure_usage()
676 field->hidinput = hidinput; in hidinput_configure_usage()
678 if (field->flags & HID_MAIN_ITEM_CONSTANT) in hidinput_configure_usage()
682 if (field->report_count < 1) in hidinput_configure_usage()
686 if (field->report_type == HID_OUTPUT_REPORT && in hidinput_configure_usage()
687 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { in hidinput_configure_usage()
693 if (usage->hid == hidinput_usages_priorities[i].usage) { in hidinput_configure_usage()
696 field->usages_priorities[usage_index] = in hidinput_configure_usage()
697 (ARRAY_SIZE(hidinput_usages_priorities) - i) << 8; in hidinput_configure_usage()
706 if (usage_priority && usage_priority->global) in hidinput_configure_usage()
707 field->usages_priorities[usage_index] |= in hidinput_configure_usage()
708 usage_priority->slot_overwrite; in hidinput_configure_usage()
710 field->usages_priorities[usage_index] |= in hidinput_configure_usage()
711 (0xff - field->slot_idx) << 16; in hidinput_configure_usage()
713 if (device->driver->input_mapping) { in hidinput_configure_usage()
714 int ret = device->driver->input_mapping(device, hidinput, field, in hidinput_configure_usage()
722 switch (usage->hid & HID_USAGE_PAGE) { in hidinput_configure_usage()
727 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
729 if ((usage->hid & HID_USAGE) < 256) { in hidinput_configure_usage()
730 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; in hidinput_configure_usage()
731 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); in hidinput_configure_usage()
738 code = ((usage->hid - 1) & HID_USAGE); in hidinput_configure_usage()
740 switch (field->application) { in hidinput_configure_usage()
747 code += BTN_TRIGGER_HAPPY - 0x10; in hidinput_configure_usage()
753 code += BTN_TRIGGER_HAPPY - 0x10; in hidinput_configure_usage()
762 code += BTN_TRIGGER_HAPPY - 0x1e; in hidinput_configure_usage()
767 switch (field->physical) { in hidinput_configure_usage()
780 switch (usage->hid & 0xffff) { in hidinput_configure_usage()
791 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ in hidinput_configure_usage()
792 switch (usage->hid & 0xf) { in hidinput_configure_usage()
813 if ((usage->hid & 0xf0) == 0x90) { /* SystemControl & D-pad */ in hidinput_configure_usage()
814 switch (usage->hid) { in hidinput_configure_usage()
815 case HID_GD_UP: usage->hat_dir = 1; break; in hidinput_configure_usage()
816 case HID_GD_DOWN: usage->hat_dir = 5; break; in hidinput_configure_usage()
817 case HID_GD_RIGHT: usage->hat_dir = 3; break; in hidinput_configure_usage()
818 case HID_GD_LEFT: usage->hat_dir = 7; break; in hidinput_configure_usage()
824 if (usage->hid <= HID_GD_LEFT) { in hidinput_configure_usage()
825 if (field->dpad) { in hidinput_configure_usage()
826 map_abs(field->dpad); in hidinput_configure_usage()
834 if ((usage->hid & 0xf0) == 0xa0) { /* SystemControl */ in hidinput_configure_usage()
835 switch (usage->hid & 0xf) { in hidinput_configure_usage()
843 if ((usage->hid & 0xf0) == 0xb0) { /* SC - Display */ in hidinput_configure_usage()
844 switch (usage->hid & 0xf) { in hidinput_configure_usage()
857 if (field->application == HID_GD_SYSTEM_CONTROL) in hidinput_configure_usage()
860 switch (usage->hid) { in hidinput_configure_usage()
864 if (field->flags & HID_MAIN_ITEM_RELATIVE) in hidinput_configure_usage()
865 map_rel(usage->hid & 0xf); in hidinput_configure_usage()
867 map_abs_clear(usage->hid & 0xf); in hidinput_configure_usage()
871 if (field->flags & HID_MAIN_ITEM_RELATIVE) { in hidinput_configure_usage()
872 set_bit(REL_WHEEL, input->relbit); in hidinput_configure_usage()
875 map_abs(usage->hid & 0xf); in hidinput_configure_usage()
879 if (field->flags & HID_MAIN_ITEM_RELATIVE) in hidinput_configure_usage()
880 map_rel(usage->hid & 0xf); in hidinput_configure_usage()
882 map_abs(usage->hid & 0xf); in hidinput_configure_usage()
886 usage->hat_min = field->logical_minimum; in hidinput_configure_usage()
887 usage->hat_max = field->logical_maximum; in hidinput_configure_usage()
896 if (field->application == HID_GD_WIRELESS_RADIO_CTLS) { in hidinput_configure_usage()
899 field->flags |= HID_MAIN_ITEM_RELATIVE; in hidinput_configure_usage()
910 switch (usage->hid & 0xffff) { /* HID-Value: */ in hidinput_configure_usage()
916 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ in hidinput_configure_usage()
928 if ((field->application & 0xff) == 0x01) /* Digitizer */ in hidinput_configure_usage()
929 __set_bit(INPUT_PROP_POINTER, input->propbit); in hidinput_configure_usage()
930 else if ((field->application & 0xff) == 0x02) /* Pen */ in hidinput_configure_usage()
931 __set_bit(INPUT_PROP_DIRECT, input->propbit); in hidinput_configure_usage()
933 switch (usage->hid & 0xff) { in hidinput_configure_usage()
938 if (!test_bit(BTN_TOUCH, input->keybit)) { in hidinput_configure_usage()
939 device->quirks |= HID_QUIRK_NOTOUCH; in hidinput_configure_usage()
940 set_bit(EV_KEY, input->evbit); in hidinput_configure_usage()
941 set_bit(BTN_TOUCH, input->keybit); in hidinput_configure_usage()
947 switch (field->physical) { in hidinput_configure_usage()
959 if (!field->physical) { in hidinput_configure_usage()
960 switch (field->application) { in hidinput_configure_usage()
977 usage->type = EV_PWR; in hidinput_configure_usage()
981 device->quirks &= ~HID_QUIRK_NOINVERT; in hidinput_configure_usage()
996 device->quirks &= ~HID_QUIRK_NOTOUCH; in hidinput_configure_usage()
1010 if (!test_bit(BTN_TOOL_RUBBER, input->keybit)) { in hidinput_configure_usage()
1011 device->quirks |= HID_QUIRK_NOINVERT; in hidinput_configure_usage()
1012 set_bit(BTN_TOOL_RUBBER, input->keybit); in hidinput_configure_usage()
1032 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1054 case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */ in hidinput_configure_usage()
1055 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1071 case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */ in hidinput_configure_usage()
1072 case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */ in hidinput_configure_usage()
1218 set_bit(REL_HWHEEL, input->relbit); in hidinput_configure_usage()
1249 switch (usage->hid) { in hidinput_configure_usage()
1252 usage->type = EV_PWR; in hidinput_configure_usage()
1258 switch (usage->hid) { in hidinput_configure_usage()
1261 usage->type = EV_PWR; in hidinput_configure_usage()
1264 usage->type = EV_PWR; in hidinput_configure_usage()
1269 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1280 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
1281 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1299 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
1300 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1312 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
1323 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1331 if (field->report_size == 1) { in hidinput_configure_usage()
1332 if (field->report->type == HID_OUTPUT_REPORT) { in hidinput_configure_usage()
1339 if (field->flags & HID_MAIN_ITEM_RELATIVE) { in hidinput_configure_usage()
1352 if (device->driver->input_mapped && in hidinput_configure_usage()
1353 device->driver->input_mapped(device, hidinput, field, usage, in hidinput_configure_usage()
1362 set_bit(usage->type, input->evbit); in hidinput_configure_usage()
1366 * - HID aims at being generic so we should do our best to export in hidinput_configure_usage()
1368 * - HID describes what events are, so there is no reason for ABS_X in hidinput_configure_usage()
1370 * - HID is using *_MISC+N as a default value, but nothing prevents in hidinput_configure_usage()
1379 while (usage->code <= max && test_and_set_bit(usage->code, bit)) { in hidinput_configure_usage()
1380 if (device->quirks & HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE) { in hidinput_configure_usage()
1381 usage->code = find_next_zero_bit(bit, in hidinput_configure_usage()
1383 usage->code); in hidinput_configure_usage()
1385 device->status |= HID_STAT_DUP_DETECTED; in hidinput_configure_usage()
1390 if (usage->code > max) in hidinput_configure_usage()
1393 if (usage->type == EV_ABS) { in hidinput_configure_usage()
1395 int a = field->logical_minimum; in hidinput_configure_usage()
1396 int b = field->logical_maximum; in hidinput_configure_usage()
1398 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { in hidinput_configure_usage()
1399 a = field->logical_minimum = 0; in hidinput_configure_usage()
1400 b = field->logical_maximum = 255; in hidinput_configure_usage()
1403 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) in hidinput_configure_usage()
1404 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); in hidinput_configure_usage()
1405 else input_set_abs_params(input, usage->code, a, b, 0, 0); in hidinput_configure_usage()
1407 input_abs_set_res(input, usage->code, in hidinput_configure_usage()
1408 hidinput_calc_abs_res(field, usage->code)); in hidinput_configure_usage()
1410 /* use a larger default input buffer for MT devices */ in hidinput_configure_usage()
1411 if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0) in hidinput_configure_usage()
1412 input_set_events_per_packet(input, 60); in hidinput_configure_usage()
1415 if (usage->type == EV_ABS && in hidinput_configure_usage()
1416 (usage->hat_min < usage->hat_max || usage->hat_dir)) { in hidinput_configure_usage()
1418 for (i = usage->code; i < usage->code + 2 && i <= max; i++) { in hidinput_configure_usage()
1419 input_set_abs_params(input, i, -1, 1, 0, 0); in hidinput_configure_usage()
1420 set_bit(i, input->absbit); in hidinput_configure_usage()
1422 if (usage->hat_dir && !field->dpad) in hidinput_configure_usage()
1423 field->dpad = usage->code; in hidinput_configure_usage()
1430 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && in hidinput_configure_usage()
1431 (usage->code == ABS_VOLUME)) { in hidinput_configure_usage()
1432 set_bit(KEY_VOLUMEUP, input->keybit); in hidinput_configure_usage()
1433 set_bit(KEY_VOLUMEDOWN, input->keybit); in hidinput_configure_usage()
1436 if (usage->type == EV_KEY) { in hidinput_configure_usage()
1437 set_bit(EV_MSC, input->evbit); in hidinput_configure_usage()
1438 set_bit(MSC_SCAN, input->mscbit); in hidinput_configure_usage()
1444 usage->type = 0; in hidinput_configure_usage()
1445 usage->code = 0; in hidinput_configure_usage()
1449 struct input_dev *input, in hidinput_handle_scroll() argument
1450 __s32 value) in hidinput_handle_scroll() argument
1455 if (value == 0) in hidinput_handle_scroll()
1458 if (usage->code == REL_WHEEL_HI_RES) in hidinput_handle_scroll()
1464 * Windows reports one wheel click as value 120. Where a high-res in hidinput_handle_scroll()
1469 hi_res = value * 120/usage->resolution_multiplier; in hidinput_handle_scroll()
1471 usage->wheel_accumulated += hi_res; in hidinput_handle_scroll()
1472 lo_res = usage->wheel_accumulated/120; in hidinput_handle_scroll()
1474 usage->wheel_accumulated -= lo_res * 120; in hidinput_handle_scroll()
1476 input_event(input, EV_REL, code, lo_res); in hidinput_handle_scroll()
1477 input_event(input, EV_REL, usage->code, hi_res); in hidinput_handle_scroll()
1480 static void hid_report_release_tool(struct hid_report *report, struct input_dev *input, in hid_report_release_tool() argument
1484 if (!test_bit(tool, input->key)) in hid_report_release_tool()
1491 input_event(input, EV_KEY, BTN_TOUCH, 0); in hid_report_release_tool()
1492 input_event(input, EV_KEY, tool, 0); in hid_report_release_tool()
1493 input_event(input, EV_SYN, SYN_REPORT, 0); in hid_report_release_tool()
1495 report->tool = 0; in hid_report_release_tool()
1498 static void hid_report_set_tool(struct hid_report *report, struct input_dev *input, in hid_report_set_tool() argument
1501 if (report->tool != new_tool) in hid_report_set_tool()
1502 hid_report_release_tool(report, input, report->tool); in hid_report_set_tool()
1504 input_event(input, EV_KEY, new_tool, 1); in hid_report_set_tool()
1505 report->tool = new_tool; in hid_report_set_tool()
1508 …ut_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) in hidinput_hid_event() argument
1510 struct input_dev *input; in hidinput_hid_event() local
1511 struct hid_report *report = field->report; in hidinput_hid_event()
1512 unsigned *quirks = &hid->quirks; in hidinput_hid_event()
1514 if (!usage->type) in hidinput_hid_event()
1517 if (usage->type == EV_PWR) { in hidinput_hid_event()
1518 bool handled = hidinput_set_battery_charge_status(hid, usage->hid, value); in hidinput_hid_event()
1521 hidinput_update_battery(hid, value); in hidinput_hid_event()
1526 if (!field->hidinput) in hidinput_hid_event()
1529 input = field->hidinput->input; in hidinput_hid_event()
1531 if (usage->hat_min < usage->hat_max || usage->hat_dir) { in hidinput_hid_event()
1532 int hat_dir = usage->hat_dir; in hidinput_hid_event()
1534 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; in hidinput_hid_event()
1536 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); in hidinput_hid_event()
1537 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); in hidinput_hid_event()
1542 * Ignore out-of-range values as per HID specification, in hidinput_hid_event()
1544 * When it's not, clamp the value to match Microsoft's input in hidinput_hid_event()
1546 * https://msdn.microsoft.com/en-us/library/windows/hardware/dn672278(v=vs.85).asp in hidinput_hid_event()
1552 if ((field->flags & HID_MAIN_ITEM_VARIABLE) && in hidinput_hid_event()
1553 field->logical_minimum < field->logical_maximum) { in hidinput_hid_event()
1554 if (field->flags & HID_MAIN_ITEM_NULL_STATE && in hidinput_hid_event()
1555 (value < field->logical_minimum || in hidinput_hid_event()
1556 value > field->logical_maximum)) { in hidinput_hid_event()
1557 dbg_hid("Ignoring out-of-range value %x\n", value); in hidinput_hid_event()
1560 value = clamp(value, in hidinput_hid_event()
1561 field->logical_minimum, in hidinput_hid_event()
1562 field->logical_maximum); in hidinput_hid_event()
1565 switch (usage->hid) { in hidinput_hid_event()
1567 report->tool_active |= !!value; in hidinput_hid_event()
1573 if (value) in hidinput_hid_event()
1574 hid_report_set_tool(report, input, BTN_TOOL_RUBBER); in hidinput_hid_event()
1575 else if (report->tool != BTN_TOOL_RUBBER) in hidinput_hid_event()
1576 /* value is off, tool is not rubber, ignore */ in hidinput_hid_event()
1579 !test_bit(BTN_TOUCH, input->key)) { in hidinput_hid_event()
1584 hid_report_release_tool(report, input, BTN_TOOL_RUBBER); in hidinput_hid_event()
1588 /* let hid-input set BTN_TOUCH */ in hidinput_hid_event()
1592 report->tool_active |= !!value; in hidinput_hid_event()
1597 if (value) in hidinput_hid_event()
1598 hid_report_set_tool(report, input, BTN_TOOL_RUBBER); in hidinput_hid_event()
1599 else if (!report->tool_active) in hidinput_hid_event()
1601 hid_report_release_tool(report, input, BTN_TOOL_RUBBER); in hidinput_hid_event()
1607 report->tool_active |= !!value; in hidinput_hid_event()
1609 if (report->tool_active) { in hidinput_hid_event()
1614 if (!report->tool) in hidinput_hid_event()
1615 report->tool = usage->code; in hidinput_hid_event()
1617 /* drivers may have changed the value behind our back, resend it */ in hidinput_hid_event()
1618 hid_report_set_tool(report, input, report->tool); in hidinput_hid_event()
1620 hid_report_release_tool(report, input, usage->code); in hidinput_hid_event()
1624 report->tool_active = false; in hidinput_hid_event()
1630 report->tool_active |= !!value; in hidinput_hid_event()
1632 /* if tool is set to RUBBER we should ignore the current value */ in hidinput_hid_event()
1633 if (report->tool == BTN_TOOL_RUBBER) in hidinput_hid_event()
1640 int a = field->logical_minimum; in hidinput_hid_event()
1641 int b = field->logical_maximum; in hidinput_hid_event()
1643 if (value > a + ((b - a) >> 3)) { in hidinput_hid_event()
1644 input_event(input, EV_KEY, BTN_TOUCH, 1); in hidinput_hid_event()
1645 report->tool_active = true; in hidinput_hid_event()
1651 dbg_hid("Maximum Effects - %d\n",value); in hidinput_hid_event()
1659 switch (usage->type) { in hidinput_hid_event()
1661 if (usage->code == 0) /* Key 0 is "unassigned", not KEY_UNKNOWN */ in hidinput_hid_event()
1666 if (usage->code == REL_WHEEL_HI_RES || in hidinput_hid_event()
1667 usage->code == REL_HWHEEL_HI_RES) { in hidinput_hid_event()
1668 hidinput_handle_scroll(usage, input, value); in hidinput_hid_event()
1674 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && in hidinput_hid_event()
1675 usage->code == ABS_VOLUME) { in hidinput_hid_event()
1676 int count = abs(value); in hidinput_hid_event()
1677 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; in hidinput_hid_event()
1681 input_event(input, EV_KEY, direction, 1); in hidinput_hid_event()
1682 input_sync(input); in hidinput_hid_event()
1683 input_event(input, EV_KEY, direction, 0); in hidinput_hid_event()
1684 input_sync(input); in hidinput_hid_event()
1688 } else if (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) || in hidinput_hid_event()
1689 ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y)) in hidinput_hid_event()
1690 value = field->logical_maximum - value; in hidinput_hid_event()
1701 * the input layer. If we filter the 'dead' keys on the HID level, we in hidinput_hid_event()
1704 if (!(field->flags & (HID_MAIN_ITEM_RELATIVE | in hidinput_hid_event()
1706 (field->flags & HID_MAIN_ITEM_VARIABLE) && in hidinput_hid_event()
1707 usage->usage_index < field->maxusage && in hidinput_hid_event()
1708 value == field->value[usage->usage_index]) in hidinput_hid_event()
1712 if (usage->type == EV_KEY && in hidinput_hid_event()
1713 (!test_bit(usage->code, input->key)) == value) in hidinput_hid_event()
1714 input_event(input, EV_MSC, MSC_SCAN, usage->hid); in hidinput_hid_event()
1716 input_event(input, usage->type, usage->code, value); in hidinput_hid_event()
1718 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && in hidinput_hid_event()
1719 usage->type == EV_KEY && value) { in hidinput_hid_event()
1720 input_sync(input); in hidinput_hid_event()
1721 input_event(input, usage->type, usage->code, 0); in hidinput_hid_event()
1729 if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC) in hidinput_report_event()
1732 list_for_each_entry(hidinput, &hid->inputs, list) in hidinput_report_event()
1733 input_sync(hidinput->input); in hidinput_report_event()
1743 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { in hidinput_find_field()
1744 for (i = 0; i < report->maxfield; i++) { in hidinput_find_field()
1745 *field = report->field[i]; in hidinput_find_field()
1746 for (j = 0; j < (*field)->maxusage; j++) in hidinput_find_field()
1747 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) in hidinput_find_field()
1751 return -1; in hidinput_find_field()
1761 &hid->report_enum[HID_OUTPUT_REPORT].report_list, in hidinput_get_led_field()
1763 for (i = 0; i < report->maxfield; i++) { in hidinput_get_led_field()
1764 field = report->field[i]; in hidinput_get_led_field()
1765 for (j = 0; j < field->maxusage; j++) in hidinput_get_led_field()
1766 if (field->usage[j].type == EV_LED) in hidinput_get_led_field()
1782 &hid->report_enum[HID_OUTPUT_REPORT].report_list, in hidinput_count_leds()
1784 for (i = 0; i < report->maxfield; i++) { in hidinput_count_leds()
1785 field = report->field[i]; in hidinput_count_leds()
1786 for (j = 0; j < field->maxusage; j++) in hidinput_count_leds()
1787 if (field->usage[j].type == EV_LED && in hidinput_count_leds()
1788 field->value[j]) in hidinput_count_leds()
1811 * field->report is accessed unlocked regarding HID core. So there might in hidinput_led_worker()
1812 * be another incoming SET-LED request from user-space, which changes in hidinput_led_worker()
1815 * boolean value no matter what information is currently set on the LED in hidinput_led_worker()
1818 * And in case we send a wrong value, a next led worker is spawned in hidinput_led_worker()
1819 * for every SET-LED request so the following worker will send the in hidinput_led_worker()
1820 * correct value, guaranteed! in hidinput_led_worker()
1823 report = field->report; in hidinput_led_worker()
1826 if (hid->ll_driver->request) in hidinput_led_worker()
1827 return hid->ll_driver->request(hid, report, HID_REQ_SET_REPORT); in hidinput_led_worker()
1829 /* fall back to generic raw-output-report */ in hidinput_led_worker()
1838 if (ret == -ENOSYS) in hidinput_led_worker()
1839 hid_hw_raw_request(hid, report->id, buf, len, HID_OUTPUT_REPORT, in hidinput_led_worker()
1845 unsigned int code, int value) in hidinput_input_event() argument
1852 return input_ff_event(dev, type, code, value); in hidinput_input_event()
1855 return -1; in hidinput_input_event()
1857 if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { in hidinput_input_event()
1859 return -1; in hidinput_input_event()
1862 hid_set_field(field, offset, value); in hidinput_input_event()
1864 schedule_work(&hid->led_work); in hidinput_input_event()
1890 if (report->maxfield == 0) in __hidinput_change_resolution_multipliers()
1893 for (i = 0; i < report->maxfield; i++) { in __hidinput_change_resolution_multipliers()
1894 __s32 value = use_logical_max ? in __hidinput_change_resolution_multipliers() local
1895 report->field[i]->logical_maximum : in __hidinput_change_resolution_multipliers()
1896 report->field[i]->logical_minimum; in __hidinput_change_resolution_multipliers()
1902 if (report->field[i]->report_count != 1) in __hidinput_change_resolution_multipliers()
1905 for (j = 0; j < report->field[i]->maxusage; j++) { in __hidinput_change_resolution_multipliers()
1906 usage = &report->field[i]->usage[j]; in __hidinput_change_resolution_multipliers()
1908 if (usage->hid != HID_GD_RESOLUTION_MULTIPLIER) in __hidinput_change_resolution_multipliers()
1921 if (!get_report_completed && report->maxfield > 1) { in __hidinput_change_resolution_multipliers()
1922 if (hid->quirks & HID_QUIRK_NO_INIT_REPORTS) in __hidinput_change_resolution_multipliers()
1930 report->field[i]->value[j] = value; in __hidinput_change_resolution_multipliers()
1944 rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; in hidinput_change_resolution_multipliers()
1945 list_for_each_entry(rep, &rep_enum->report_list, list) { in hidinput_change_resolution_multipliers()
1965 struct hid_driver *drv = hid->driver; in report_features()
1971 rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; in report_features()
1972 list_for_each_entry(rep, &rep_enum->report_list, list) in report_features()
1973 for (i = 0; i < rep->maxfield; i++) { in report_features()
1975 if (rep->field[i]->report_count < 1) in report_features()
1978 for (j = 0; j < rep->field[i]->maxusage; j++) { in report_features()
1979 usage = &rep->field[i]->usage[j]; in report_features()
1982 if (usage->hid == HID_DC_BATTERYSTRENGTH) in report_features()
1984 rep->field[i], false); in report_features()
1986 if (drv->feature_mapping) in report_features()
1987 drv->feature_mapping(hid, rep->field[i], usage); in report_features()
2003 if ((hid->quirks & HID_QUIRK_INPUT_PER_APP) && in hidinput_allocate()
2004 hid->maxapplication > 1) { in hidinput_allocate()
2018 * DG_PEN -> "Stylus" in hidinput_allocate()
2019 * DG_STYLUS -> "Pen" in hidinput_allocate()
2052 name_len = strlen(hid->name); in hidinput_allocate()
2055 strcmp(hid->name + name_len - suffix_len, suffix)) { in hidinput_allocate()
2056 hidinput->name = kasprintf(GFP_KERNEL, "%s %s", in hidinput_allocate()
2057 hid->name, suffix); in hidinput_allocate()
2058 if (!hidinput->name) in hidinput_allocate()
2064 input_dev->event = hidinput_input_event; in hidinput_allocate()
2065 input_dev->open = hidinput_open; in hidinput_allocate()
2066 input_dev->close = hidinput_close; in hidinput_allocate()
2067 input_dev->setkeycode = hidinput_setkeycode; in hidinput_allocate()
2068 input_dev->getkeycode = hidinput_getkeycode; in hidinput_allocate()
2070 input_dev->name = hidinput->name ? hidinput->name : hid->name; in hidinput_allocate()
2071 input_dev->phys = hid->phys; in hidinput_allocate()
2072 input_dev->uniq = hid->uniq; in hidinput_allocate()
2073 input_dev->id.bustype = hid->bus; in hidinput_allocate()
2074 input_dev->id.vendor = hid->vendor; in hidinput_allocate()
2075 input_dev->id.product = hid->product; in hidinput_allocate()
2076 input_dev->id.version = hid->version; in hidinput_allocate()
2077 input_dev->dev.parent = &hid->dev; in hidinput_allocate()
2079 hidinput->input = input_dev; in hidinput_allocate()
2080 hidinput->application = application; in hidinput_allocate()
2081 list_add_tail(&hidinput->list, &hid->inputs); in hidinput_allocate()
2083 INIT_LIST_HEAD(&hidinput->reports); in hidinput_allocate()
2090 hid_err(hid, "Out of memory during hid input probe\n"); in hidinput_allocate()
2100 r |= hidinput->input->evbit[i]; in hidinput_has_been_populated()
2103 r |= hidinput->input->keybit[i]; in hidinput_has_been_populated()
2106 r |= hidinput->input->relbit[i]; in hidinput_has_been_populated()
2109 r |= hidinput->input->absbit[i]; in hidinput_has_been_populated()
2112 r |= hidinput->input->mscbit[i]; in hidinput_has_been_populated()
2115 r |= hidinput->input->ledbit[i]; in hidinput_has_been_populated()
2118 r |= hidinput->input->sndbit[i]; in hidinput_has_been_populated()
2121 r |= hidinput->input->ffbit[i]; in hidinput_has_been_populated()
2124 r |= hidinput->input->swbit[i]; in hidinput_has_been_populated()
2135 list_del(&hidinput->list); in hidinput_cleanup_hidinput()
2136 input_free_device(hidinput->input); in hidinput_cleanup_hidinput()
2137 kfree(hidinput->name); in hidinput_cleanup_hidinput()
2141 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) in hidinput_cleanup_hidinput()
2144 list_for_each_entry(report, &hid->report_enum[k].report_list, in hidinput_cleanup_hidinput()
2147 for (i = 0; i < report->maxfield; i++) in hidinput_cleanup_hidinput()
2148 if (report->field[i]->hidinput == hidinput) in hidinput_cleanup_hidinput()
2149 report->field[i]->hidinput = NULL; in hidinput_cleanup_hidinput()
2158 struct hid_device *hid = report->device; in hidinput_match()
2161 list_for_each_entry(hidinput, &hid->inputs, list) { in hidinput_match()
2162 if (hidinput->report && in hidinput_match()
2163 hidinput->report->id == report->id) in hidinput_match()
2172 struct hid_device *hid = report->device; in hidinput_match_application()
2175 list_for_each_entry(hidinput, &hid->inputs, list) { in hidinput_match_application()
2176 if (hidinput->application == report->application) in hidinput_match_application()
2183 if ((report->application == HID_GD_SYSTEM_CONTROL || in hidinput_match_application()
2184 report->application == HID_CP_CONSUMER_CONTROL) && in hidinput_match_application()
2185 hidinput->application == HID_GD_KEYBOARD) { in hidinput_match_application()
2198 int slot_collection_index = -1; in hidinput_configure_usages()
2199 int prev_collection_index = -1; in hidinput_configure_usages()
2207 for (i = 0; i < report->maxfield; i++) { in hidinput_configure_usages()
2208 field = report->field[i]; in hidinput_configure_usages()
2211 if (field->maxusage < 1) in hidinput_configure_usages()
2217 if (prev_collection_index != field->usage->collection_index) { in hidinput_configure_usages()
2218 prev_collection_index = field->usage->collection_index; in hidinput_configure_usages()
2226 if (slot_collection_index == field->usage->collection_index) { in hidinput_configure_usages()
2227 field->slot_idx = slot_idx; in hidinput_configure_usages()
2232 for (j = 0; j < field->maxusage; j++) { in hidinput_configure_usages()
2233 if (field->usage[j].hid == HID_DG_CONTACTID) { in hidinput_configure_usages()
2234 slot_collection_index = field->usage->collection_index; in hidinput_configure_usages()
2242 report->field[k]->slot_idx = slot_idx; in hidinput_configure_usages()
2248 for (i = 0; i < report->maxfield; i++) in hidinput_configure_usages()
2249 for (j = 0; j < report->field[i]->maxusage; j++) in hidinput_configure_usages()
2250 hidinput_configure_usage(hidinput, report->field[i], in hidinput_configure_usages()
2251 report->field[i]->usage + j, in hidinput_configure_usages()
2256 * Register the input device; print a message.
2257 * Configure the input layer interface
2263 struct hid_driver *drv = hid->driver; in hidinput_connect()
2269 INIT_LIST_HEAD(&hid->inputs); in hidinput_connect()
2270 INIT_WORK(&hid->led_work, hidinput_led_worker); in hidinput_connect()
2272 hid->status &= ~HID_STAT_DUP_DETECTED; in hidinput_connect()
2275 for (i = 0; i < hid->maxcollection; i++) { in hidinput_connect()
2276 struct hid_collection *col = &hid->collection[i]; in hidinput_connect()
2277 if (col->type == HID_COLLECTION_APPLICATION || in hidinput_connect()
2278 col->type == HID_COLLECTION_PHYSICAL) in hidinput_connect()
2279 if (IS_INPUT_APPLICATION(col->usage)) in hidinput_connect()
2283 if (i == hid->maxcollection) in hidinput_connect()
2284 return -1; in hidinput_connect()
2291 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) in hidinput_connect()
2294 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { in hidinput_connect()
2296 if (!report->maxfield) in hidinput_connect()
2299 application = report->application; in hidinput_connect()
2305 if (hid->quirks & HID_QUIRK_MULTI_INPUT) in hidinput_connect()
2307 else if (hid->maxapplication > 1 && in hidinput_connect()
2308 (hid->quirks & HID_QUIRK_INPUT_PER_APP)) in hidinput_connect()
2319 if (hid->quirks & HID_QUIRK_MULTI_INPUT) in hidinput_connect()
2320 hidinput->report = report; in hidinput_connect()
2322 list_add_tail(&report->hidinput_list, in hidinput_connect()
2323 &hidinput->reports); in hidinput_connect()
2329 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { in hidinput_connect()
2330 if (drv->input_configured && in hidinput_connect()
2331 drv->input_configured(hid, hidinput)) in hidinput_connect()
2335 /* no need to register an input device not populated */ in hidinput_connect()
2340 if (input_register_device(hidinput->input)) in hidinput_connect()
2342 hidinput->registered = true; in hidinput_connect()
2345 if (list_empty(&hid->inputs)) { in hidinput_connect()
2350 if (hid->status & HID_STAT_DUP_DETECTED) in hidinput_connect()
2360 return -1; in hidinput_connect()
2370 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { in hidinput_disconnect()
2371 list_del(&hidinput->list); in hidinput_disconnect()
2372 if (hidinput->registered) in hidinput_disconnect()
2373 input_unregister_device(hidinput->input); in hidinput_disconnect()
2375 input_free_device(hidinput->input); in hidinput_disconnect()
2376 kfree(hidinput->name); in hidinput_disconnect()
2381 * parent input_dev at all. Once all input devices are removed, we in hidinput_disconnect()
2384 cancel_work_sync(&hid->led_work); in hidinput_disconnect()
2389 #include "hid-input-test.c"