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()
424 quirks = match->driver_data; in find_battery_quirk()
430 int value) in hidinput_scale_battery_capacity() argument
432 if (dev->battery_min < dev->battery_max && in hidinput_scale_battery_capacity()
433 value >= dev->battery_min && value <= dev->battery_max) in hidinput_scale_battery_capacity()
434 value = ((value - dev->battery_min) * 100) / in hidinput_scale_battery_capacity()
435 (dev->battery_max - dev->battery_min); in hidinput_scale_battery_capacity()
437 return value; in hidinput_scale_battery_capacity()
447 return -ENOMEM; in hidinput_query_battery_capacity()
449 ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 4, in hidinput_query_battery_capacity()
450 dev->battery_report_type, HID_REQ_GET_REPORT); in hidinput_query_battery_capacity()
453 return -ENODATA; in hidinput_query_battery_capacity()
466 int value; in hidinput_get_battery_property() local
472 val->intval = 1; in hidinput_get_battery_property()
476 if (dev->battery_status != HID_BATTERY_REPORTED && in hidinput_get_battery_property()
477 !dev->battery_avoid_query) { in hidinput_get_battery_property()
478 value = hidinput_query_battery_capacity(dev); in hidinput_get_battery_property()
479 if (value < 0) in hidinput_get_battery_property()
480 return value; in hidinput_get_battery_property()
482 value = dev->battery_capacity; in hidinput_get_battery_property()
485 val->intval = value; in hidinput_get_battery_property()
489 val->strval = dev->name; in hidinput_get_battery_property()
493 if (dev->battery_status != HID_BATTERY_REPORTED && in hidinput_get_battery_property()
494 !dev->battery_avoid_query) { in hidinput_get_battery_property()
495 value = hidinput_query_battery_capacity(dev); in hidinput_get_battery_property()
496 if (value < 0) in hidinput_get_battery_property()
497 return value; in hidinput_get_battery_property()
499 dev->battery_capacity = value; in hidinput_get_battery_property()
500 dev->battery_status = HID_BATTERY_QUERIED; in hidinput_get_battery_property()
503 if (dev->battery_status == HID_BATTERY_UNKNOWN) in hidinput_get_battery_property()
504 val->intval = POWER_SUPPLY_STATUS_UNKNOWN; in hidinput_get_battery_property()
506 val->intval = dev->battery_charge_status; in hidinput_get_battery_property()
510 val->intval = POWER_SUPPLY_SCOPE_DEVICE; in hidinput_get_battery_property()
514 ret = -EINVAL; in hidinput_get_battery_property()
530 if (dev->battery) in hidinput_setup_battery()
536 dev->bus, dev->vendor, dev->product, dev->version, quirks); in hidinput_setup_battery()
543 return -ENOMEM; in hidinput_setup_battery()
545 psy_desc->name = kasprintf(GFP_KERNEL, "hid-%s-battery", in hidinput_setup_battery()
546 strlen(dev->uniq) ? in hidinput_setup_battery()
547 dev->uniq : dev_name(&dev->dev)); in hidinput_setup_battery()
548 if (!psy_desc->name) { in hidinput_setup_battery()
549 error = -ENOMEM; in hidinput_setup_battery()
553 psy_desc->type = POWER_SUPPLY_TYPE_BATTERY; in hidinput_setup_battery()
554 psy_desc->properties = hidinput_battery_props; in hidinput_setup_battery()
555 psy_desc->num_properties = ARRAY_SIZE(hidinput_battery_props); in hidinput_setup_battery()
556 psy_desc->use_for_apm = 0; in hidinput_setup_battery()
557 psy_desc->get_property = hidinput_get_battery_property; in hidinput_setup_battery()
559 min = field->logical_minimum; in hidinput_setup_battery()
560 max = field->logical_maximum; in hidinput_setup_battery()
570 dev->battery_min = min; in hidinput_setup_battery()
571 dev->battery_max = max; in hidinput_setup_battery()
572 dev->battery_report_type = report_type; in hidinput_setup_battery()
573 dev->battery_report_id = field->report->id; in hidinput_setup_battery()
574 dev->battery_charge_status = POWER_SUPPLY_STATUS_DISCHARGING; in hidinput_setup_battery()
581 dev->battery_avoid_query = report_type == HID_INPUT_REPORT && in hidinput_setup_battery()
582 field->physical == HID_DG_STYLUS; in hidinput_setup_battery()
585 dev->battery_avoid_query = true; in hidinput_setup_battery()
587 dev->battery = power_supply_register(&dev->dev, psy_desc, &psy_cfg); in hidinput_setup_battery()
588 if (IS_ERR(dev->battery)) { in hidinput_setup_battery()
589 error = PTR_ERR(dev->battery); in hidinput_setup_battery()
594 power_supply_powers(dev->battery, &dev->dev); in hidinput_setup_battery()
598 kfree(psy_desc->name); in hidinput_setup_battery()
601 dev->battery = NULL; in hidinput_setup_battery()
609 if (!dev->battery) in hidinput_cleanup_battery()
612 psy_desc = dev->battery->desc; in hidinput_cleanup_battery()
613 power_supply_unregister(dev->battery); in hidinput_cleanup_battery()
614 kfree(psy_desc->name); in hidinput_cleanup_battery()
616 dev->battery = NULL; in hidinput_cleanup_battery()
619 static void hidinput_update_battery(struct hid_device *dev, int value) in hidinput_update_battery() argument
623 if (!dev->battery) in hidinput_update_battery()
626 if (value == 0 || value < dev->battery_min || value > dev->battery_max) in hidinput_update_battery()
629 capacity = hidinput_scale_battery_capacity(dev, value); in hidinput_update_battery()
631 if (dev->battery_status != HID_BATTERY_REPORTED || in hidinput_update_battery()
632 capacity != dev->battery_capacity || in hidinput_update_battery()
633 ktime_after(ktime_get_coarse(), dev->battery_ratelimit_time)) { in hidinput_update_battery()
634 dev->battery_capacity = capacity; in hidinput_update_battery()
635 dev->battery_status = HID_BATTERY_REPORTED; in hidinput_update_battery()
636 dev->battery_ratelimit_time = in hidinput_update_battery()
638 power_supply_changed(dev->battery); in hidinput_update_battery()
643 unsigned int usage, int value) in hidinput_set_battery_charge_status() argument
647 dev->battery_charge_status = value ? in hidinput_set_battery_charge_status()
666 static void hidinput_update_battery(struct hid_device *dev, int value) in hidinput_update_battery() argument
671 unsigned int usage, int value) in hidinput_set_battery_charge_status() argument
682 collection = &device->collection[field->usage->collection_index]; in hidinput_field_in_collection()
684 return collection->type == type && collection->usage == usage; in hidinput_field_in_collection()
690 struct input_dev *input = hidinput->input; in hidinput_configure_usage() local
691 struct hid_device *device = input_get_drvdata(input); in hidinput_configure_usage()
697 field->hidinput = hidinput; in hidinput_configure_usage()
699 if (field->flags & HID_MAIN_ITEM_CONSTANT) in hidinput_configure_usage()
703 if (field->report_count < 1) in hidinput_configure_usage()
707 if (field->report_type == HID_OUTPUT_REPORT && in hidinput_configure_usage()
708 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { in hidinput_configure_usage()
714 if (usage->hid == hidinput_usages_priorities[i].usage) { in hidinput_configure_usage()
717 field->usages_priorities[usage_index] = in hidinput_configure_usage()
718 (ARRAY_SIZE(hidinput_usages_priorities) - i) << 8; in hidinput_configure_usage()
727 if (usage_priority && usage_priority->global) in hidinput_configure_usage()
728 field->usages_priorities[usage_index] |= in hidinput_configure_usage()
729 usage_priority->slot_overwrite; in hidinput_configure_usage()
731 field->usages_priorities[usage_index] |= in hidinput_configure_usage()
732 (0xff - field->slot_idx) << 16; in hidinput_configure_usage()
734 if (device->driver->input_mapping) { in hidinput_configure_usage()
735 int ret = device->driver->input_mapping(device, hidinput, field, in hidinput_configure_usage()
743 switch (usage->hid & HID_USAGE_PAGE) { in hidinput_configure_usage()
748 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
750 if ((usage->hid & HID_USAGE) < 256) { in hidinput_configure_usage()
751 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; in hidinput_configure_usage()
752 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); in hidinput_configure_usage()
759 code = ((usage->hid - 1) & HID_USAGE); in hidinput_configure_usage()
761 switch (field->application) { in hidinput_configure_usage()
768 code += BTN_TRIGGER_HAPPY - 0x10; in hidinput_configure_usage()
774 code += BTN_TRIGGER_HAPPY - 0x10; in hidinput_configure_usage()
783 code += BTN_TRIGGER_HAPPY - 0x1e; in hidinput_configure_usage()
788 switch (field->physical) { in hidinput_configure_usage()
801 switch (usage->hid & 0xffff) { in hidinput_configure_usage()
812 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ in hidinput_configure_usage()
813 switch (usage->hid & 0xf) { in hidinput_configure_usage()
834 if ((usage->hid & 0xf0) == 0xa0) { /* SystemControl */ in hidinput_configure_usage()
835 switch (usage->hid & 0xf) { in hidinput_configure_usage()
842 if ((usage->hid & 0xf0) == 0xb0) { /* SC - Display */ in hidinput_configure_usage()
843 switch (usage->hid & 0xf) { in hidinput_configure_usage()
856 if (field->application == HID_GD_SYSTEM_CONTROL) in hidinput_configure_usage()
859 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ in hidinput_configure_usage()
860 switch (usage->hid) { in hidinput_configure_usage()
861 case HID_GD_UP: usage->hat_dir = 1; break; in hidinput_configure_usage()
862 case HID_GD_DOWN: usage->hat_dir = 5; break; in hidinput_configure_usage()
863 case HID_GD_RIGHT: usage->hat_dir = 3; break; in hidinput_configure_usage()
864 case HID_GD_LEFT: usage->hat_dir = 7; break; in hidinput_configure_usage()
867 if (field->dpad) { in hidinput_configure_usage()
868 map_abs(field->dpad); in hidinput_configure_usage()
875 switch (usage->hid) { 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_clear(usage->hid & 0xf); in hidinput_configure_usage()
886 if (field->flags & HID_MAIN_ITEM_RELATIVE) { in hidinput_configure_usage()
887 set_bit(REL_WHEEL, input->relbit); in hidinput_configure_usage()
890 map_abs(usage->hid & 0xf); in hidinput_configure_usage()
894 if (field->flags & HID_MAIN_ITEM_RELATIVE) in hidinput_configure_usage()
895 map_rel(usage->hid & 0xf); in hidinput_configure_usage()
897 map_abs(usage->hid & 0xf); in hidinput_configure_usage()
901 usage->hat_min = field->logical_minimum; in hidinput_configure_usage()
902 usage->hat_max = field->logical_maximum; in hidinput_configure_usage()
911 if (field->application == HID_GD_WIRELESS_RADIO_CTLS) { in hidinput_configure_usage()
914 field->flags |= HID_MAIN_ITEM_RELATIVE; in hidinput_configure_usage()
925 switch (usage->hid & 0xffff) { /* HID-Value: */ in hidinput_configure_usage()
931 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ in hidinput_configure_usage()
943 if ((field->application & 0xff) == 0x01) /* Digitizer */ in hidinput_configure_usage()
944 __set_bit(INPUT_PROP_POINTER, input->propbit); in hidinput_configure_usage()
945 else if ((field->application & 0xff) == 0x02) /* Pen */ in hidinput_configure_usage()
946 __set_bit(INPUT_PROP_DIRECT, input->propbit); in hidinput_configure_usage()
948 switch (usage->hid & 0xff) { in hidinput_configure_usage()
953 if (!test_bit(BTN_TOUCH, input->keybit)) { in hidinput_configure_usage()
954 device->quirks |= HID_QUIRK_NOTOUCH; in hidinput_configure_usage()
955 set_bit(EV_KEY, input->evbit); in hidinput_configure_usage()
956 set_bit(BTN_TOUCH, input->keybit); in hidinput_configure_usage()
962 switch (field->physical) { in hidinput_configure_usage()
974 if (!field->physical) { in hidinput_configure_usage()
975 switch (field->application) { in hidinput_configure_usage()
992 usage->type = EV_PWR; in hidinput_configure_usage()
996 device->quirks &= ~HID_QUIRK_NOINVERT; in hidinput_configure_usage()
1011 device->quirks &= ~HID_QUIRK_NOTOUCH; in hidinput_configure_usage()
1025 if (!test_bit(BTN_TOOL_RUBBER, input->keybit)) { in hidinput_configure_usage()
1026 device->quirks |= HID_QUIRK_NOINVERT; in hidinput_configure_usage()
1027 set_bit(BTN_TOOL_RUBBER, input->keybit); in hidinput_configure_usage()
1047 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1069 case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */ in hidinput_configure_usage()
1070 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1086 case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */ in hidinput_configure_usage()
1087 case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */ in hidinput_configure_usage()
1233 set_bit(REL_HWHEEL, input->relbit); in hidinput_configure_usage()
1264 switch (usage->hid) { in hidinput_configure_usage()
1267 usage->type = EV_PWR; in hidinput_configure_usage()
1273 switch (usage->hid) { in hidinput_configure_usage()
1276 usage->type = EV_PWR; in hidinput_configure_usage()
1279 usage->type = EV_PWR; in hidinput_configure_usage()
1284 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1295 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
1296 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1314 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
1315 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1327 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
1338 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1346 if (field->report_size == 1) { in hidinput_configure_usage()
1347 if (field->report->type == HID_OUTPUT_REPORT) { in hidinput_configure_usage()
1354 if (field->flags & HID_MAIN_ITEM_RELATIVE) { in hidinput_configure_usage()
1367 if (device->driver->input_mapped && in hidinput_configure_usage()
1368 device->driver->input_mapped(device, hidinput, field, usage, in hidinput_configure_usage()
1377 set_bit(usage->type, input->evbit); in hidinput_configure_usage()
1381 * - HID aims at being generic so we should do our best to export in hidinput_configure_usage()
1383 * - HID describes what events are, so there is no reason for ABS_X in hidinput_configure_usage()
1385 * - HID is using *_MISC+N as a default value, but nothing prevents in hidinput_configure_usage()
1394 while (usage->code <= max && test_and_set_bit(usage->code, bit)) { in hidinput_configure_usage()
1395 if (device->quirks & HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE) { in hidinput_configure_usage()
1396 usage->code = find_next_zero_bit(bit, in hidinput_configure_usage()
1398 usage->code); in hidinput_configure_usage()
1400 device->status |= HID_STAT_DUP_DETECTED; in hidinput_configure_usage()
1405 if (usage->code > max) in hidinput_configure_usage()
1408 if (usage->type == EV_ABS) { in hidinput_configure_usage()
1410 int a = field->logical_minimum; in hidinput_configure_usage()
1411 int b = field->logical_maximum; in hidinput_configure_usage()
1413 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { in hidinput_configure_usage()
1414 a = field->logical_minimum = 0; in hidinput_configure_usage()
1415 b = field->logical_maximum = 255; in hidinput_configure_usage()
1418 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) in hidinput_configure_usage()
1419 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); in hidinput_configure_usage()
1420 else input_set_abs_params(input, usage->code, a, b, 0, 0); in hidinput_configure_usage()
1422 input_abs_set_res(input, usage->code, in hidinput_configure_usage()
1423 hidinput_calc_abs_res(field, usage->code)); in hidinput_configure_usage()
1425 /* use a larger default input buffer for MT devices */ in hidinput_configure_usage()
1426 if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0) in hidinput_configure_usage()
1427 input_set_events_per_packet(input, 60); in hidinput_configure_usage()
1430 if (usage->type == EV_ABS && in hidinput_configure_usage()
1431 (usage->hat_min < usage->hat_max || usage->hat_dir)) { in hidinput_configure_usage()
1433 for (i = usage->code; i < usage->code + 2 && i <= max; i++) { in hidinput_configure_usage()
1434 input_set_abs_params(input, i, -1, 1, 0, 0); in hidinput_configure_usage()
1435 set_bit(i, input->absbit); in hidinput_configure_usage()
1437 if (usage->hat_dir && !field->dpad) in hidinput_configure_usage()
1438 field->dpad = usage->code; in hidinput_configure_usage()
1445 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && in hidinput_configure_usage()
1446 (usage->code == ABS_VOLUME)) { in hidinput_configure_usage()
1447 set_bit(KEY_VOLUMEUP, input->keybit); in hidinput_configure_usage()
1448 set_bit(KEY_VOLUMEDOWN, input->keybit); in hidinput_configure_usage()
1451 if (usage->type == EV_KEY) { in hidinput_configure_usage()
1452 set_bit(EV_MSC, input->evbit); in hidinput_configure_usage()
1453 set_bit(MSC_SCAN, input->mscbit); in hidinput_configure_usage()
1459 usage->type = 0; in hidinput_configure_usage()
1460 usage->code = 0; in hidinput_configure_usage()
1464 struct input_dev *input, in hidinput_handle_scroll() argument
1465 __s32 value) in hidinput_handle_scroll() argument
1470 if (value == 0) in hidinput_handle_scroll()
1473 if (usage->code == REL_WHEEL_HI_RES) in hidinput_handle_scroll()
1479 * Windows reports one wheel click as value 120. Where a high-res in hidinput_handle_scroll()
1484 hi_res = value * 120/usage->resolution_multiplier; in hidinput_handle_scroll()
1486 usage->wheel_accumulated += hi_res; in hidinput_handle_scroll()
1487 lo_res = usage->wheel_accumulated/120; in hidinput_handle_scroll()
1489 usage->wheel_accumulated -= lo_res * 120; in hidinput_handle_scroll()
1491 input_event(input, EV_REL, code, lo_res); in hidinput_handle_scroll()
1492 input_event(input, EV_REL, usage->code, hi_res); in hidinput_handle_scroll()
1495 static void hid_report_release_tool(struct hid_report *report, struct input_dev *input, in hid_report_release_tool() argument
1499 if (!test_bit(tool, input->key)) in hid_report_release_tool()
1506 input_event(input, EV_KEY, BTN_TOUCH, 0); in hid_report_release_tool()
1507 input_event(input, EV_KEY, tool, 0); in hid_report_release_tool()
1508 input_event(input, EV_SYN, SYN_REPORT, 0); in hid_report_release_tool()
1510 report->tool = 0; in hid_report_release_tool()
1513 static void hid_report_set_tool(struct hid_report *report, struct input_dev *input, in hid_report_set_tool() argument
1516 if (report->tool != new_tool) in hid_report_set_tool()
1517 hid_report_release_tool(report, input, report->tool); in hid_report_set_tool()
1519 input_event(input, EV_KEY, new_tool, 1); in hid_report_set_tool()
1520 report->tool = new_tool; in hid_report_set_tool()
1523 …ut_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) in hidinput_hid_event() argument
1525 struct input_dev *input; in hidinput_hid_event() local
1526 struct hid_report *report = field->report; in hidinput_hid_event()
1527 unsigned *quirks = &hid->quirks; in hidinput_hid_event()
1529 if (!usage->type) in hidinput_hid_event()
1532 if (usage->type == EV_PWR) { in hidinput_hid_event()
1533 bool handled = hidinput_set_battery_charge_status(hid, usage->hid, value); in hidinput_hid_event()
1536 hidinput_update_battery(hid, value); in hidinput_hid_event()
1541 if (!field->hidinput) in hidinput_hid_event()
1544 input = field->hidinput->input; in hidinput_hid_event()
1546 if (usage->hat_min < usage->hat_max || usage->hat_dir) { in hidinput_hid_event()
1547 int hat_dir = usage->hat_dir; in hidinput_hid_event()
1549 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; in hidinput_hid_event()
1551 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); in hidinput_hid_event()
1552 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); in hidinput_hid_event()
1557 * Ignore out-of-range values as per HID specification, in hidinput_hid_event()
1559 * When it's not, clamp the value to match Microsoft's input in hidinput_hid_event()
1561 * https://msdn.microsoft.com/en-us/library/windows/hardware/dn672278(v=vs.85).asp in hidinput_hid_event()
1567 if ((field->flags & HID_MAIN_ITEM_VARIABLE) && in hidinput_hid_event()
1568 field->logical_minimum < field->logical_maximum) { in hidinput_hid_event()
1569 if (field->flags & HID_MAIN_ITEM_NULL_STATE && in hidinput_hid_event()
1570 (value < field->logical_minimum || in hidinput_hid_event()
1571 value > field->logical_maximum)) { in hidinput_hid_event()
1572 dbg_hid("Ignoring out-of-range value %x\n", value); in hidinput_hid_event()
1575 value = clamp(value, in hidinput_hid_event()
1576 field->logical_minimum, in hidinput_hid_event()
1577 field->logical_maximum); in hidinput_hid_event()
1580 switch (usage->hid) { in hidinput_hid_event()
1582 report->tool_active |= !!value; in hidinput_hid_event()
1588 if (value) in hidinput_hid_event()
1589 hid_report_set_tool(report, input, BTN_TOOL_RUBBER); in hidinput_hid_event()
1590 else if (report->tool != BTN_TOOL_RUBBER) in hidinput_hid_event()
1591 /* value is off, tool is not rubber, ignore */ in hidinput_hid_event()
1594 !test_bit(BTN_TOUCH, input->key)) { in hidinput_hid_event()
1599 hid_report_release_tool(report, input, BTN_TOOL_RUBBER); in hidinput_hid_event()
1603 /* let hid-input set BTN_TOUCH */ in hidinput_hid_event()
1607 report->tool_active |= !!value; in hidinput_hid_event()
1612 if (value) in hidinput_hid_event()
1613 hid_report_set_tool(report, input, BTN_TOOL_RUBBER); in hidinput_hid_event()
1614 else if (!report->tool_active) in hidinput_hid_event()
1616 hid_report_release_tool(report, input, BTN_TOOL_RUBBER); in hidinput_hid_event()
1622 report->tool_active |= !!value; in hidinput_hid_event()
1624 if (report->tool_active) { in hidinput_hid_event()
1629 if (!report->tool) in hidinput_hid_event()
1630 report->tool = usage->code; in hidinput_hid_event()
1632 /* drivers may have changed the value behind our back, resend it */ in hidinput_hid_event()
1633 hid_report_set_tool(report, input, report->tool); in hidinput_hid_event()
1635 hid_report_release_tool(report, input, usage->code); in hidinput_hid_event()
1639 report->tool_active = false; in hidinput_hid_event()
1645 report->tool_active |= !!value; in hidinput_hid_event()
1647 /* if tool is set to RUBBER we should ignore the current value */ in hidinput_hid_event()
1648 if (report->tool == BTN_TOOL_RUBBER) in hidinput_hid_event()
1655 int a = field->logical_minimum; in hidinput_hid_event()
1656 int b = field->logical_maximum; in hidinput_hid_event()
1658 if (value > a + ((b - a) >> 3)) { in hidinput_hid_event()
1659 input_event(input, EV_KEY, BTN_TOUCH, 1); in hidinput_hid_event()
1660 report->tool_active = true; in hidinput_hid_event()
1666 dbg_hid("Maximum Effects - %d\n",value); in hidinput_hid_event()
1674 switch (usage->type) { in hidinput_hid_event()
1676 if (usage->code == 0) /* Key 0 is "unassigned", not KEY_UNKNOWN */ in hidinput_hid_event()
1681 if (usage->code == REL_WHEEL_HI_RES || in hidinput_hid_event()
1682 usage->code == REL_HWHEEL_HI_RES) { in hidinput_hid_event()
1683 hidinput_handle_scroll(usage, input, value); in hidinput_hid_event()
1689 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && in hidinput_hid_event()
1690 usage->code == ABS_VOLUME) { in hidinput_hid_event()
1691 int count = abs(value); in hidinput_hid_event()
1692 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; in hidinput_hid_event()
1696 input_event(input, EV_KEY, direction, 1); in hidinput_hid_event()
1697 input_sync(input); in hidinput_hid_event()
1698 input_event(input, EV_KEY, direction, 0); in hidinput_hid_event()
1699 input_sync(input); in hidinput_hid_event()
1703 } else if (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) || in hidinput_hid_event()
1704 ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y)) in hidinput_hid_event()
1705 value = field->logical_maximum - value; in hidinput_hid_event()
1716 * the input layer. If we filter the 'dead' keys on the HID level, we in hidinput_hid_event()
1719 if (!(field->flags & (HID_MAIN_ITEM_RELATIVE | in hidinput_hid_event()
1721 (field->flags & HID_MAIN_ITEM_VARIABLE) && in hidinput_hid_event()
1722 usage->usage_index < field->maxusage && in hidinput_hid_event()
1723 value == field->value[usage->usage_index]) in hidinput_hid_event()
1727 if (usage->type == EV_KEY && in hidinput_hid_event()
1728 (!test_bit(usage->code, input->key)) == value) in hidinput_hid_event()
1729 input_event(input, EV_MSC, MSC_SCAN, usage->hid); in hidinput_hid_event()
1731 input_event(input, usage->type, usage->code, value); in hidinput_hid_event()
1733 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && in hidinput_hid_event()
1734 usage->type == EV_KEY && value) { in hidinput_hid_event()
1735 input_sync(input); in hidinput_hid_event()
1736 input_event(input, usage->type, usage->code, 0); in hidinput_hid_event()
1744 if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC) in hidinput_report_event()
1747 list_for_each_entry(hidinput, &hid->inputs, list) in hidinput_report_event()
1748 input_sync(hidinput->input); in hidinput_report_event()
1758 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { in hidinput_find_field()
1759 for (i = 0; i < report->maxfield; i++) { in hidinput_find_field()
1760 *field = report->field[i]; in hidinput_find_field()
1761 for (j = 0; j < (*field)->maxusage; j++) in hidinput_find_field()
1762 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) in hidinput_find_field()
1766 return -1; in hidinput_find_field()
1776 &hid->report_enum[HID_OUTPUT_REPORT].report_list, in hidinput_get_led_field()
1778 for (i = 0; i < report->maxfield; i++) { in hidinput_get_led_field()
1779 field = report->field[i]; in hidinput_get_led_field()
1780 for (j = 0; j < field->maxusage; j++) in hidinput_get_led_field()
1781 if (field->usage[j].type == EV_LED) in hidinput_get_led_field()
1797 &hid->report_enum[HID_OUTPUT_REPORT].report_list, in hidinput_count_leds()
1799 for (i = 0; i < report->maxfield; i++) { in hidinput_count_leds()
1800 field = report->field[i]; in hidinput_count_leds()
1801 for (j = 0; j < field->maxusage; j++) in hidinput_count_leds()
1802 if (field->usage[j].type == EV_LED && in hidinput_count_leds()
1803 field->value[j]) in hidinput_count_leds()
1826 * field->report is accessed unlocked regarding HID core. So there might in hidinput_led_worker()
1827 * be another incoming SET-LED request from user-space, which changes in hidinput_led_worker()
1830 * boolean value no matter what information is currently set on the LED in hidinput_led_worker()
1833 * And in case we send a wrong value, a next led worker is spawned in hidinput_led_worker()
1834 * for every SET-LED request so the following worker will send the in hidinput_led_worker()
1835 * correct value, guaranteed! in hidinput_led_worker()
1838 report = field->report; in hidinput_led_worker()
1841 if (hid->ll_driver->request) in hidinput_led_worker()
1842 return hid->ll_driver->request(hid, report, HID_REQ_SET_REPORT); in hidinput_led_worker()
1844 /* fall back to generic raw-output-report */ in hidinput_led_worker()
1853 if (ret == -ENOSYS) in hidinput_led_worker()
1854 hid_hw_raw_request(hid, report->id, buf, len, HID_OUTPUT_REPORT, in hidinput_led_worker()
1860 unsigned int code, int value) in hidinput_input_event() argument
1867 return input_ff_event(dev, type, code, value); in hidinput_input_event()
1870 return -1; in hidinput_input_event()
1872 if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { in hidinput_input_event()
1874 return -1; in hidinput_input_event()
1877 hid_set_field(field, offset, value); in hidinput_input_event()
1879 schedule_work(&hid->led_work); in hidinput_input_event()
1905 if (report->maxfield == 0) in __hidinput_change_resolution_multipliers()
1908 for (i = 0; i < report->maxfield; i++) { in __hidinput_change_resolution_multipliers()
1909 __s32 value = use_logical_max ? in __hidinput_change_resolution_multipliers() local
1910 report->field[i]->logical_maximum : in __hidinput_change_resolution_multipliers()
1911 report->field[i]->logical_minimum; in __hidinput_change_resolution_multipliers()
1917 if (report->field[i]->report_count != 1) in __hidinput_change_resolution_multipliers()
1920 for (j = 0; j < report->field[i]->maxusage; j++) { in __hidinput_change_resolution_multipliers()
1921 usage = &report->field[i]->usage[j]; in __hidinput_change_resolution_multipliers()
1923 if (usage->hid != HID_GD_RESOLUTION_MULTIPLIER) in __hidinput_change_resolution_multipliers()
1936 if (!get_report_completed && report->maxfield > 1) { in __hidinput_change_resolution_multipliers()
1937 if (hid->quirks & HID_QUIRK_NO_INIT_REPORTS) in __hidinput_change_resolution_multipliers()
1945 report->field[i]->value[j] = value; in __hidinput_change_resolution_multipliers()
1959 rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; in hidinput_change_resolution_multipliers()
1960 list_for_each_entry(rep, &rep_enum->report_list, list) { in hidinput_change_resolution_multipliers()
1980 struct hid_driver *drv = hid->driver; in report_features()
1986 rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; in report_features()
1987 list_for_each_entry(rep, &rep_enum->report_list, list) in report_features()
1988 for (i = 0; i < rep->maxfield; i++) { in report_features()
1990 if (rep->field[i]->report_count < 1) in report_features()
1993 for (j = 0; j < rep->field[i]->maxusage; j++) { in report_features()
1994 usage = &rep->field[i]->usage[j]; in report_features()
1997 if (usage->hid == HID_DC_BATTERYSTRENGTH) in report_features()
1999 rep->field[i], false); in report_features()
2001 if (drv->feature_mapping) in report_features()
2002 drv->feature_mapping(hid, rep->field[i], usage); in report_features()
2018 if ((hid->quirks & HID_QUIRK_INPUT_PER_APP) && in hidinput_allocate()
2019 hid->maxapplication > 1) { in hidinput_allocate()
2033 * DG_PEN -> "Stylus" in hidinput_allocate()
2034 * DG_STYLUS -> "Pen" in hidinput_allocate()
2067 name_len = strlen(hid->name); in hidinput_allocate()
2070 strcmp(hid->name + name_len - suffix_len, suffix)) { in hidinput_allocate()
2071 hidinput->name = kasprintf(GFP_KERNEL, "%s %s", in hidinput_allocate()
2072 hid->name, suffix); in hidinput_allocate()
2073 if (!hidinput->name) in hidinput_allocate()
2079 input_dev->event = hidinput_input_event; in hidinput_allocate()
2080 input_dev->open = hidinput_open; in hidinput_allocate()
2081 input_dev->close = hidinput_close; in hidinput_allocate()
2082 input_dev->setkeycode = hidinput_setkeycode; in hidinput_allocate()
2083 input_dev->getkeycode = hidinput_getkeycode; in hidinput_allocate()
2085 input_dev->name = hidinput->name ? hidinput->name : hid->name; in hidinput_allocate()
2086 input_dev->phys = hid->phys; in hidinput_allocate()
2087 input_dev->uniq = hid->uniq; in hidinput_allocate()
2088 input_dev->id.bustype = hid->bus; in hidinput_allocate()
2089 input_dev->id.vendor = hid->vendor; in hidinput_allocate()
2090 input_dev->id.product = hid->product; in hidinput_allocate()
2091 input_dev->id.version = hid->version; in hidinput_allocate()
2092 input_dev->dev.parent = &hid->dev; in hidinput_allocate()
2094 hidinput->input = input_dev; in hidinput_allocate()
2095 hidinput->application = application; in hidinput_allocate()
2096 list_add_tail(&hidinput->list, &hid->inputs); in hidinput_allocate()
2098 INIT_LIST_HEAD(&hidinput->reports); in hidinput_allocate()
2105 hid_err(hid, "Out of memory during hid input probe\n"); in hidinput_allocate()
2115 r |= hidinput->input->evbit[i]; in hidinput_has_been_populated()
2118 r |= hidinput->input->keybit[i]; in hidinput_has_been_populated()
2121 r |= hidinput->input->relbit[i]; in hidinput_has_been_populated()
2124 r |= hidinput->input->absbit[i]; in hidinput_has_been_populated()
2127 r |= hidinput->input->mscbit[i]; in hidinput_has_been_populated()
2130 r |= hidinput->input->ledbit[i]; in hidinput_has_been_populated()
2133 r |= hidinput->input->sndbit[i]; in hidinput_has_been_populated()
2136 r |= hidinput->input->ffbit[i]; in hidinput_has_been_populated()
2139 r |= hidinput->input->swbit[i]; in hidinput_has_been_populated()
2150 list_del(&hidinput->list); in hidinput_cleanup_hidinput()
2151 input_free_device(hidinput->input); in hidinput_cleanup_hidinput()
2152 kfree(hidinput->name); in hidinput_cleanup_hidinput()
2156 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) in hidinput_cleanup_hidinput()
2159 list_for_each_entry(report, &hid->report_enum[k].report_list, in hidinput_cleanup_hidinput()
2162 for (i = 0; i < report->maxfield; i++) in hidinput_cleanup_hidinput()
2163 if (report->field[i]->hidinput == hidinput) in hidinput_cleanup_hidinput()
2164 report->field[i]->hidinput = NULL; in hidinput_cleanup_hidinput()
2173 struct hid_device *hid = report->device; in hidinput_match()
2176 list_for_each_entry(hidinput, &hid->inputs, list) { in hidinput_match()
2177 if (hidinput->report && in hidinput_match()
2178 hidinput->report->id == report->id) in hidinput_match()
2187 struct hid_device *hid = report->device; in hidinput_match_application()
2190 list_for_each_entry(hidinput, &hid->inputs, list) { in hidinput_match_application()
2191 if (hidinput->application == report->application) in hidinput_match_application()
2198 if ((report->application == HID_GD_SYSTEM_CONTROL || in hidinput_match_application()
2199 report->application == HID_CP_CONSUMER_CONTROL) && in hidinput_match_application()
2200 hidinput->application == HID_GD_KEYBOARD) { in hidinput_match_application()
2213 int slot_collection_index = -1; in hidinput_configure_usages()
2214 int prev_collection_index = -1; in hidinput_configure_usages()
2222 for (i = 0; i < report->maxfield; i++) { in hidinput_configure_usages()
2223 field = report->field[i]; in hidinput_configure_usages()
2226 if (field->maxusage < 1) in hidinput_configure_usages()
2232 if (prev_collection_index != field->usage->collection_index) { in hidinput_configure_usages()
2233 prev_collection_index = field->usage->collection_index; in hidinput_configure_usages()
2241 if (slot_collection_index == field->usage->collection_index) { in hidinput_configure_usages()
2242 field->slot_idx = slot_idx; in hidinput_configure_usages()
2247 for (j = 0; j < field->maxusage; j++) { in hidinput_configure_usages()
2248 if (field->usage[j].hid == HID_DG_CONTACTID) { in hidinput_configure_usages()
2249 slot_collection_index = field->usage->collection_index; in hidinput_configure_usages()
2257 report->field[k]->slot_idx = slot_idx; in hidinput_configure_usages()
2263 for (i = 0; i < report->maxfield; i++) in hidinput_configure_usages()
2264 for (j = 0; j < report->field[i]->maxusage; j++) in hidinput_configure_usages()
2265 hidinput_configure_usage(hidinput, report->field[i], in hidinput_configure_usages()
2266 report->field[i]->usage + j, in hidinput_configure_usages()
2271 * Register the input device; print a message.
2272 * Configure the input layer interface
2278 struct hid_driver *drv = hid->driver; in hidinput_connect()
2284 INIT_LIST_HEAD(&hid->inputs); in hidinput_connect()
2285 INIT_WORK(&hid->led_work, hidinput_led_worker); in hidinput_connect()
2287 hid->status &= ~HID_STAT_DUP_DETECTED; in hidinput_connect()
2290 for (i = 0; i < hid->maxcollection; i++) { in hidinput_connect()
2291 struct hid_collection *col = &hid->collection[i]; in hidinput_connect()
2292 if (col->type == HID_COLLECTION_APPLICATION || in hidinput_connect()
2293 col->type == HID_COLLECTION_PHYSICAL) in hidinput_connect()
2294 if (IS_INPUT_APPLICATION(col->usage)) in hidinput_connect()
2298 if (i == hid->maxcollection) in hidinput_connect()
2299 return -1; in hidinput_connect()
2306 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) in hidinput_connect()
2309 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { in hidinput_connect()
2311 if (!report->maxfield) in hidinput_connect()
2314 application = report->application; in hidinput_connect()
2320 if (hid->quirks & HID_QUIRK_MULTI_INPUT) in hidinput_connect()
2322 else if (hid->maxapplication > 1 && in hidinput_connect()
2323 (hid->quirks & HID_QUIRK_INPUT_PER_APP)) in hidinput_connect()
2334 if (hid->quirks & HID_QUIRK_MULTI_INPUT) in hidinput_connect()
2335 hidinput->report = report; in hidinput_connect()
2337 list_add_tail(&report->hidinput_list, in hidinput_connect()
2338 &hidinput->reports); in hidinput_connect()
2344 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { in hidinput_connect()
2345 if (drv->input_configured && in hidinput_connect()
2346 drv->input_configured(hid, hidinput)) in hidinput_connect()
2350 /* no need to register an input device not populated */ in hidinput_connect()
2355 if (input_register_device(hidinput->input)) in hidinput_connect()
2357 hidinput->registered = true; in hidinput_connect()
2360 if (list_empty(&hid->inputs)) { in hidinput_connect()
2365 if (hid->status & HID_STAT_DUP_DETECTED) in hidinput_connect()
2375 return -1; in hidinput_connect()
2385 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { in hidinput_disconnect()
2386 list_del(&hidinput->list); in hidinput_disconnect()
2387 if (hidinput->registered) in hidinput_disconnect()
2388 input_unregister_device(hidinput->input); in hidinput_disconnect()
2390 input_free_device(hidinput->input); in hidinput_disconnect()
2391 kfree(hidinput->name); in hidinput_disconnect()
2396 * parent input_dev at all. Once all input devices are removed, we in hidinput_disconnect()
2399 cancel_work_sync(&hid->led_work); in hidinput_disconnect()
2404 #include "hid-input-test.c"