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()
398 quirks = match->driver_data; in find_battery_quirk()
404 int value) in hidinput_scale_battery_capacity() argument
406 if (dev->battery_min < dev->battery_max && in hidinput_scale_battery_capacity()
407 value >= dev->battery_min && value <= dev->battery_max) in hidinput_scale_battery_capacity()
408 value = ((value - dev->battery_min) * 100) / in hidinput_scale_battery_capacity()
409 (dev->battery_max - dev->battery_min); in hidinput_scale_battery_capacity()
411 return value; in hidinput_scale_battery_capacity()
421 return -ENOMEM; in hidinput_query_battery_capacity()
423 ret = hid_hw_raw_request(dev, dev->battery_report_id, buf, 4, in hidinput_query_battery_capacity()
424 dev->battery_report_type, HID_REQ_GET_REPORT); in hidinput_query_battery_capacity()
427 return -ENODATA; in hidinput_query_battery_capacity()
440 int value; in hidinput_get_battery_property() local
446 val->intval = 1; in hidinput_get_battery_property()
450 if (dev->battery_status != HID_BATTERY_REPORTED && in hidinput_get_battery_property()
451 !dev->battery_avoid_query) { in hidinput_get_battery_property()
452 value = hidinput_query_battery_capacity(dev); in hidinput_get_battery_property()
453 if (value < 0) in hidinput_get_battery_property()
454 return value; in hidinput_get_battery_property()
456 value = dev->battery_capacity; in hidinput_get_battery_property()
459 val->intval = value; in hidinput_get_battery_property()
463 val->strval = dev->name; in hidinput_get_battery_property()
467 if (dev->battery_status != HID_BATTERY_REPORTED && in hidinput_get_battery_property()
468 !dev->battery_avoid_query) { in hidinput_get_battery_property()
469 value = hidinput_query_battery_capacity(dev); in hidinput_get_battery_property()
470 if (value < 0) in hidinput_get_battery_property()
471 return value; in hidinput_get_battery_property()
473 dev->battery_capacity = value; in hidinput_get_battery_property()
474 dev->battery_status = HID_BATTERY_QUERIED; in hidinput_get_battery_property()
477 if (dev->battery_status == HID_BATTERY_UNKNOWN) in hidinput_get_battery_property()
478 val->intval = POWER_SUPPLY_STATUS_UNKNOWN; in hidinput_get_battery_property()
480 val->intval = POWER_SUPPLY_STATUS_DISCHARGING; in hidinput_get_battery_property()
484 val->intval = POWER_SUPPLY_SCOPE_DEVICE; in hidinput_get_battery_property()
488 ret = -EINVAL; in hidinput_get_battery_property()
504 if (dev->battery) in hidinput_setup_battery()
510 dev->bus, dev->vendor, dev->product, dev->version, quirks); in hidinput_setup_battery()
517 return -ENOMEM; in hidinput_setup_battery()
519 psy_desc->name = kasprintf(GFP_KERNEL, "hid-%s-battery", in hidinput_setup_battery()
520 strlen(dev->uniq) ? in hidinput_setup_battery()
521 dev->uniq : dev_name(&dev->dev)); in hidinput_setup_battery()
522 if (!psy_desc->name) { in hidinput_setup_battery()
523 error = -ENOMEM; in hidinput_setup_battery()
527 psy_desc->type = POWER_SUPPLY_TYPE_BATTERY; in hidinput_setup_battery()
528 psy_desc->properties = hidinput_battery_props; in hidinput_setup_battery()
529 psy_desc->num_properties = ARRAY_SIZE(hidinput_battery_props); in hidinput_setup_battery()
530 psy_desc->use_for_apm = 0; in hidinput_setup_battery()
531 psy_desc->get_property = hidinput_get_battery_property; in hidinput_setup_battery()
533 min = field->logical_minimum; in hidinput_setup_battery()
534 max = field->logical_maximum; in hidinput_setup_battery()
544 dev->battery_min = min; in hidinput_setup_battery()
545 dev->battery_max = max; in hidinput_setup_battery()
546 dev->battery_report_type = report_type; in hidinput_setup_battery()
547 dev->battery_report_id = field->report->id; in hidinput_setup_battery()
554 dev->battery_avoid_query = report_type == HID_INPUT_REPORT && in hidinput_setup_battery()
555 field->physical == HID_DG_STYLUS; in hidinput_setup_battery()
557 dev->battery = power_supply_register(&dev->dev, psy_desc, &psy_cfg); in hidinput_setup_battery()
558 if (IS_ERR(dev->battery)) { in hidinput_setup_battery()
559 error = PTR_ERR(dev->battery); in hidinput_setup_battery()
564 power_supply_powers(dev->battery, &dev->dev); in hidinput_setup_battery()
568 kfree(psy_desc->name); in hidinput_setup_battery()
571 dev->battery = NULL; in hidinput_setup_battery()
579 if (!dev->battery) in hidinput_cleanup_battery()
582 psy_desc = dev->battery->desc; in hidinput_cleanup_battery()
583 power_supply_unregister(dev->battery); in hidinput_cleanup_battery()
584 kfree(psy_desc->name); in hidinput_cleanup_battery()
586 dev->battery = NULL; in hidinput_cleanup_battery()
589 static void hidinput_update_battery(struct hid_device *dev, int value) in hidinput_update_battery() argument
593 if (!dev->battery) in hidinput_update_battery()
596 if (value == 0 || value < dev->battery_min || value > dev->battery_max) in hidinput_update_battery()
599 capacity = hidinput_scale_battery_capacity(dev, value); in hidinput_update_battery()
601 if (dev->battery_status != HID_BATTERY_REPORTED || in hidinput_update_battery()
602 capacity != dev->battery_capacity || in hidinput_update_battery()
603 ktime_after(ktime_get_coarse(), dev->battery_ratelimit_time)) { in hidinput_update_battery()
604 dev->battery_capacity = capacity; in hidinput_update_battery()
605 dev->battery_status = HID_BATTERY_REPORTED; in hidinput_update_battery()
606 dev->battery_ratelimit_time = in hidinput_update_battery()
608 power_supply_changed(dev->battery); in hidinput_update_battery()
622 static void hidinput_update_battery(struct hid_device *dev, int value) in hidinput_update_battery() argument
632 collection = &device->collection[field->usage->collection_index]; in hidinput_field_in_collection()
634 return collection->type == type && collection->usage == usage; in hidinput_field_in_collection()
640 struct input_dev *input = hidinput->input; in hidinput_configure_usage() local
641 struct hid_device *device = input_get_drvdata(input); in hidinput_configure_usage()
647 field->hidinput = hidinput; in hidinput_configure_usage()
649 if (field->flags & HID_MAIN_ITEM_CONSTANT) in hidinput_configure_usage()
653 if (field->report_count < 1) in hidinput_configure_usage()
657 if (field->report_type == HID_OUTPUT_REPORT && in hidinput_configure_usage()
658 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) { in hidinput_configure_usage()
664 if (usage->hid == hidinput_usages_priorities[i].usage) { in hidinput_configure_usage()
667 field->usages_priorities[usage_index] = in hidinput_configure_usage()
668 (ARRAY_SIZE(hidinput_usages_priorities) - i) << 8; in hidinput_configure_usage()
677 if (usage_priority && usage_priority->global) in hidinput_configure_usage()
678 field->usages_priorities[usage_index] |= in hidinput_configure_usage()
679 usage_priority->slot_overwrite; in hidinput_configure_usage()
681 field->usages_priorities[usage_index] |= in hidinput_configure_usage()
682 (0xff - field->slot_idx) << 16; in hidinput_configure_usage()
684 if (device->driver->input_mapping) { in hidinput_configure_usage()
685 int ret = device->driver->input_mapping(device, hidinput, field, in hidinput_configure_usage()
693 switch (usage->hid & HID_USAGE_PAGE) { in hidinput_configure_usage()
698 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
700 if ((usage->hid & HID_USAGE) < 256) { in hidinput_configure_usage()
701 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore; in hidinput_configure_usage()
702 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]); in hidinput_configure_usage()
709 code = ((usage->hid - 1) & HID_USAGE); in hidinput_configure_usage()
711 switch (field->application) { in hidinput_configure_usage()
718 code += BTN_TRIGGER_HAPPY - 0x10; in hidinput_configure_usage()
724 code += BTN_TRIGGER_HAPPY - 0x10; in hidinput_configure_usage()
733 code += BTN_TRIGGER_HAPPY - 0x1e; in hidinput_configure_usage()
738 switch (field->physical) { in hidinput_configure_usage()
751 switch (usage->hid & 0xffff) { in hidinput_configure_usage()
762 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */ in hidinput_configure_usage()
763 switch (usage->hid & 0xf) { in hidinput_configure_usage()
784 if ((usage->hid & 0xf0) == 0xb0) { /* SC - Display */ in hidinput_configure_usage()
785 switch (usage->hid & 0xf) { in hidinput_configure_usage()
798 if (field->application == HID_GD_SYSTEM_CONTROL) in hidinput_configure_usage()
801 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */ in hidinput_configure_usage()
802 switch (usage->hid) { in hidinput_configure_usage()
803 case HID_GD_UP: usage->hat_dir = 1; break; in hidinput_configure_usage()
804 case HID_GD_DOWN: usage->hat_dir = 5; break; in hidinput_configure_usage()
805 case HID_GD_RIGHT: usage->hat_dir = 3; break; in hidinput_configure_usage()
806 case HID_GD_LEFT: usage->hat_dir = 7; break; in hidinput_configure_usage()
809 if (field->dpad) { in hidinput_configure_usage()
810 map_abs(field->dpad); in hidinput_configure_usage()
817 switch (usage->hid) { in hidinput_configure_usage()
821 if (field->flags & HID_MAIN_ITEM_RELATIVE) in hidinput_configure_usage()
822 map_rel(usage->hid & 0xf); in hidinput_configure_usage()
824 map_abs_clear(usage->hid & 0xf); in hidinput_configure_usage()
828 if (field->flags & HID_MAIN_ITEM_RELATIVE) { in hidinput_configure_usage()
829 set_bit(REL_WHEEL, input->relbit); in hidinput_configure_usage()
832 map_abs(usage->hid & 0xf); in hidinput_configure_usage()
836 if (field->flags & HID_MAIN_ITEM_RELATIVE) in hidinput_configure_usage()
837 map_rel(usage->hid & 0xf); in hidinput_configure_usage()
839 map_abs(usage->hid & 0xf); in hidinput_configure_usage()
843 usage->hat_min = field->logical_minimum; in hidinput_configure_usage()
844 usage->hat_max = field->logical_maximum; in hidinput_configure_usage()
853 if (field->application == HID_GD_WIRELESS_RADIO_CTLS) { in hidinput_configure_usage()
856 field->flags |= HID_MAIN_ITEM_RELATIVE; in hidinput_configure_usage()
867 switch (usage->hid & 0xffff) { /* HID-Value: */ in hidinput_configure_usage()
873 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */ in hidinput_configure_usage()
885 if ((field->application & 0xff) == 0x01) /* Digitizer */ in hidinput_configure_usage()
886 __set_bit(INPUT_PROP_POINTER, input->propbit); in hidinput_configure_usage()
887 else if ((field->application & 0xff) == 0x02) /* Pen */ in hidinput_configure_usage()
888 __set_bit(INPUT_PROP_DIRECT, input->propbit); in hidinput_configure_usage()
890 switch (usage->hid & 0xff) { in hidinput_configure_usage()
895 if (!test_bit(BTN_TOUCH, input->keybit)) { in hidinput_configure_usage()
896 device->quirks |= HID_QUIRK_NOTOUCH; in hidinput_configure_usage()
897 set_bit(EV_KEY, input->evbit); in hidinput_configure_usage()
898 set_bit(BTN_TOUCH, input->keybit); in hidinput_configure_usage()
904 switch (field->physical) { in hidinput_configure_usage()
916 if (!field->physical) { in hidinput_configure_usage()
917 switch (field->application) { in hidinput_configure_usage()
934 usage->type = EV_PWR; in hidinput_configure_usage()
952 device->quirks &= ~HID_QUIRK_NOTOUCH; in hidinput_configure_usage()
984 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1006 case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */ in hidinput_configure_usage()
1007 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1023 case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */ in hidinput_configure_usage()
1024 case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */ in hidinput_configure_usage()
1166 set_bit(REL_HWHEEL, input->relbit); in hidinput_configure_usage()
1197 switch (usage->hid) { in hidinput_configure_usage()
1200 usage->type = EV_PWR; in hidinput_configure_usage()
1206 switch (usage->hid) { in hidinput_configure_usage()
1209 usage->type = EV_PWR; in hidinput_configure_usage()
1215 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
1216 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1234 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
1235 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1247 set_bit(EV_REP, input->evbit); in hidinput_configure_usage()
1258 switch (usage->hid & HID_USAGE) { in hidinput_configure_usage()
1266 if (field->report_size == 1) { in hidinput_configure_usage()
1267 if (field->report->type == HID_OUTPUT_REPORT) { in hidinput_configure_usage()
1274 if (field->flags & HID_MAIN_ITEM_RELATIVE) { in hidinput_configure_usage()
1287 if (device->driver->input_mapped && in hidinput_configure_usage()
1288 device->driver->input_mapped(device, hidinput, field, usage, in hidinput_configure_usage()
1297 set_bit(usage->type, input->evbit); in hidinput_configure_usage()
1301 * - HID aims at being generic so we should do our best to export in hidinput_configure_usage()
1303 * - HID describes what events are, so there is no reason for ABS_X in hidinput_configure_usage()
1305 * - HID is using *_MISC+N as a default value, but nothing prevents in hidinput_configure_usage()
1314 while (usage->code <= max && test_and_set_bit(usage->code, bit)) { in hidinput_configure_usage()
1315 if (device->quirks & HID_QUIRK_INCREMENT_USAGE_ON_DUPLICATE) { in hidinput_configure_usage()
1316 usage->code = find_next_zero_bit(bit, in hidinput_configure_usage()
1318 usage->code); in hidinput_configure_usage()
1320 device->status |= HID_STAT_DUP_DETECTED; in hidinput_configure_usage()
1325 if (usage->code > max) in hidinput_configure_usage()
1328 if (usage->type == EV_ABS) { in hidinput_configure_usage()
1330 int a = field->logical_minimum; in hidinput_configure_usage()
1331 int b = field->logical_maximum; in hidinput_configure_usage()
1333 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) { in hidinput_configure_usage()
1334 a = field->logical_minimum = 0; in hidinput_configure_usage()
1335 b = field->logical_maximum = 255; in hidinput_configure_usage()
1338 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK) in hidinput_configure_usage()
1339 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4); in hidinput_configure_usage()
1340 else input_set_abs_params(input, usage->code, a, b, 0, 0); in hidinput_configure_usage()
1342 input_abs_set_res(input, usage->code, in hidinput_configure_usage()
1343 hidinput_calc_abs_res(field, usage->code)); in hidinput_configure_usage()
1345 /* use a larger default input buffer for MT devices */ in hidinput_configure_usage()
1346 if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0) in hidinput_configure_usage()
1347 input_set_events_per_packet(input, 60); in hidinput_configure_usage()
1350 if (usage->type == EV_ABS && in hidinput_configure_usage()
1351 (usage->hat_min < usage->hat_max || usage->hat_dir)) { in hidinput_configure_usage()
1353 for (i = usage->code; i < usage->code + 2 && i <= max; i++) { in hidinput_configure_usage()
1354 input_set_abs_params(input, i, -1, 1, 0, 0); in hidinput_configure_usage()
1355 set_bit(i, input->absbit); in hidinput_configure_usage()
1357 if (usage->hat_dir && !field->dpad) in hidinput_configure_usage()
1358 field->dpad = usage->code; in hidinput_configure_usage()
1365 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) && in hidinput_configure_usage()
1366 (usage->code == ABS_VOLUME)) { in hidinput_configure_usage()
1367 set_bit(KEY_VOLUMEUP, input->keybit); in hidinput_configure_usage()
1368 set_bit(KEY_VOLUMEDOWN, input->keybit); in hidinput_configure_usage()
1371 if (usage->type == EV_KEY) { in hidinput_configure_usage()
1372 set_bit(EV_MSC, input->evbit); in hidinput_configure_usage()
1373 set_bit(MSC_SCAN, input->mscbit); in hidinput_configure_usage()
1379 usage->type = 0; in hidinput_configure_usage()
1380 usage->code = 0; in hidinput_configure_usage()
1384 struct input_dev *input, in hidinput_handle_scroll() argument
1385 __s32 value) in hidinput_handle_scroll() argument
1390 if (value == 0) in hidinput_handle_scroll()
1393 if (usage->code == REL_WHEEL_HI_RES) in hidinput_handle_scroll()
1399 * Windows reports one wheel click as value 120. Where a high-res in hidinput_handle_scroll()
1404 hi_res = value * 120/usage->resolution_multiplier; in hidinput_handle_scroll()
1406 usage->wheel_accumulated += hi_res; in hidinput_handle_scroll()
1407 lo_res = usage->wheel_accumulated/120; in hidinput_handle_scroll()
1409 usage->wheel_accumulated -= lo_res * 120; in hidinput_handle_scroll()
1411 input_event(input, EV_REL, code, lo_res); in hidinput_handle_scroll()
1412 input_event(input, EV_REL, usage->code, hi_res); in hidinput_handle_scroll()
1415 static void hid_report_release_tool(struct hid_report *report, struct input_dev *input, in hid_report_release_tool() argument
1419 if (!test_bit(tool, input->key)) in hid_report_release_tool()
1426 input_event(input, EV_KEY, BTN_TOUCH, 0); in hid_report_release_tool()
1427 input_event(input, EV_KEY, tool, 0); in hid_report_release_tool()
1428 input_event(input, EV_SYN, SYN_REPORT, 0); in hid_report_release_tool()
1430 report->tool = 0; in hid_report_release_tool()
1433 static void hid_report_set_tool(struct hid_report *report, struct input_dev *input, in hid_report_set_tool() argument
1436 if (report->tool != new_tool) in hid_report_set_tool()
1437 hid_report_release_tool(report, input, report->tool); in hid_report_set_tool()
1439 input_event(input, EV_KEY, new_tool, 1); in hid_report_set_tool()
1440 report->tool = new_tool; in hid_report_set_tool()
1443 …ut_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value) in hidinput_hid_event() argument
1445 struct input_dev *input; in hidinput_hid_event() local
1446 struct hid_report *report = field->report; in hidinput_hid_event()
1447 unsigned *quirks = &hid->quirks; in hidinput_hid_event()
1449 if (!usage->type) in hidinput_hid_event()
1452 if (usage->type == EV_PWR) { in hidinput_hid_event()
1453 hidinput_update_battery(hid, value); in hidinput_hid_event()
1457 if (!field->hidinput) in hidinput_hid_event()
1460 input = field->hidinput->input; in hidinput_hid_event()
1462 if (usage->hat_min < usage->hat_max || usage->hat_dir) { in hidinput_hid_event()
1463 int hat_dir = usage->hat_dir; in hidinput_hid_event()
1465 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1; in hidinput_hid_event()
1467 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x); in hidinput_hid_event()
1468 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y); in hidinput_hid_event()
1473 * Ignore out-of-range values as per HID specification, in hidinput_hid_event()
1475 * When it's not, clamp the value to match Microsoft's input in hidinput_hid_event()
1477 * https://msdn.microsoft.com/en-us/library/windows/hardware/dn672278(v=vs.85).asp in hidinput_hid_event()
1483 if ((field->flags & HID_MAIN_ITEM_VARIABLE) && in hidinput_hid_event()
1484 field->logical_minimum < field->logical_maximum) { in hidinput_hid_event()
1485 if (field->flags & HID_MAIN_ITEM_NULL_STATE && in hidinput_hid_event()
1486 (value < field->logical_minimum || in hidinput_hid_event()
1487 value > field->logical_maximum)) { in hidinput_hid_event()
1488 dbg_hid("Ignoring out-of-range value %x\n", value); in hidinput_hid_event()
1491 value = clamp(value, in hidinput_hid_event()
1492 field->logical_minimum, in hidinput_hid_event()
1493 field->logical_maximum); in hidinput_hid_event()
1496 switch (usage->hid) { in hidinput_hid_event()
1498 report->tool_active |= !!value; in hidinput_hid_event()
1504 if (value) in hidinput_hid_event()
1505 hid_report_set_tool(report, input, BTN_TOOL_RUBBER); in hidinput_hid_event()
1506 else if (report->tool != BTN_TOOL_RUBBER) in hidinput_hid_event()
1507 /* value is off, tool is not rubber, ignore */ in hidinput_hid_event()
1510 /* let hid-input set BTN_TOUCH */ in hidinput_hid_event()
1514 report->tool_active |= !!value; in hidinput_hid_event()
1519 if (value) in hidinput_hid_event()
1520 hid_report_set_tool(report, input, BTN_TOOL_RUBBER); in hidinput_hid_event()
1521 else if (!report->tool_active) in hidinput_hid_event()
1523 hid_report_release_tool(report, input, BTN_TOOL_RUBBER); in hidinput_hid_event()
1529 report->tool_active |= !!value; in hidinput_hid_event()
1531 if (report->tool_active) { in hidinput_hid_event()
1536 if (!report->tool) in hidinput_hid_event()
1537 report->tool = usage->code; in hidinput_hid_event()
1539 /* drivers may have changed the value behind our back, resend it */ in hidinput_hid_event()
1540 hid_report_set_tool(report, input, report->tool); in hidinput_hid_event()
1542 hid_report_release_tool(report, input, usage->code); in hidinput_hid_event()
1546 report->tool_active = false; in hidinput_hid_event()
1552 report->tool_active |= !!value; in hidinput_hid_event()
1554 /* if tool is set to RUBBER we should ignore the current value */ in hidinput_hid_event()
1555 if (report->tool == BTN_TOOL_RUBBER) in hidinput_hid_event()
1562 int a = field->logical_minimum; in hidinput_hid_event()
1563 int b = field->logical_maximum; in hidinput_hid_event()
1565 if (value > a + ((b - a) >> 3)) { in hidinput_hid_event()
1566 input_event(input, EV_KEY, BTN_TOUCH, 1); in hidinput_hid_event()
1567 report->tool_active = true; in hidinput_hid_event()
1573 dbg_hid("Maximum Effects - %d\n",value); in hidinput_hid_event()
1581 switch (usage->type) { in hidinput_hid_event()
1583 if (usage->code == 0) /* Key 0 is "unassigned", not KEY_UNKNOWN */ in hidinput_hid_event()
1588 if (usage->code == REL_WHEEL_HI_RES || in hidinput_hid_event()
1589 usage->code == REL_HWHEEL_HI_RES) { in hidinput_hid_event()
1590 hidinput_handle_scroll(usage, input, value); in hidinput_hid_event()
1596 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && in hidinput_hid_event()
1597 usage->code == ABS_VOLUME) { in hidinput_hid_event()
1598 int count = abs(value); in hidinput_hid_event()
1599 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN; in hidinput_hid_event()
1603 input_event(input, EV_KEY, direction, 1); in hidinput_hid_event()
1604 input_sync(input); in hidinput_hid_event()
1605 input_event(input, EV_KEY, direction, 0); in hidinput_hid_event()
1606 input_sync(input); in hidinput_hid_event()
1610 } else if (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) || in hidinput_hid_event()
1611 ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y)) in hidinput_hid_event()
1612 value = field->logical_maximum - value; in hidinput_hid_event()
1623 * the input layer. If we filter the 'dead' keys on the HID level, we in hidinput_hid_event()
1626 if (!(field->flags & (HID_MAIN_ITEM_RELATIVE | in hidinput_hid_event()
1628 (field->flags & HID_MAIN_ITEM_VARIABLE) && in hidinput_hid_event()
1629 usage->usage_index < field->maxusage && in hidinput_hid_event()
1630 value == field->value[usage->usage_index]) in hidinput_hid_event()
1634 if (usage->type == EV_KEY && in hidinput_hid_event()
1635 (!test_bit(usage->code, input->key)) == value) in hidinput_hid_event()
1636 input_event(input, EV_MSC, MSC_SCAN, usage->hid); in hidinput_hid_event()
1638 input_event(input, usage->type, usage->code, value); in hidinput_hid_event()
1640 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && in hidinput_hid_event()
1641 usage->type == EV_KEY && value) { in hidinput_hid_event()
1642 input_sync(input); in hidinput_hid_event()
1643 input_event(input, usage->type, usage->code, 0); in hidinput_hid_event()
1651 if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC) in hidinput_report_event()
1654 list_for_each_entry(hidinput, &hid->inputs, list) in hidinput_report_event()
1655 input_sync(hidinput->input); in hidinput_report_event()
1665 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) { in hidinput_find_field()
1666 for (i = 0; i < report->maxfield; i++) { in hidinput_find_field()
1667 *field = report->field[i]; in hidinput_find_field()
1668 for (j = 0; j < (*field)->maxusage; j++) in hidinput_find_field()
1669 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code) in hidinput_find_field()
1673 return -1; in hidinput_find_field()
1683 &hid->report_enum[HID_OUTPUT_REPORT].report_list, in hidinput_get_led_field()
1685 for (i = 0; i < report->maxfield; i++) { in hidinput_get_led_field()
1686 field = report->field[i]; in hidinput_get_led_field()
1687 for (j = 0; j < field->maxusage; j++) in hidinput_get_led_field()
1688 if (field->usage[j].type == EV_LED) in hidinput_get_led_field()
1704 &hid->report_enum[HID_OUTPUT_REPORT].report_list, in hidinput_count_leds()
1706 for (i = 0; i < report->maxfield; i++) { in hidinput_count_leds()
1707 field = report->field[i]; in hidinput_count_leds()
1708 for (j = 0; j < field->maxusage; j++) in hidinput_count_leds()
1709 if (field->usage[j].type == EV_LED && in hidinput_count_leds()
1710 field->value[j]) in hidinput_count_leds()
1733 * field->report is accessed unlocked regarding HID core. So there might in hidinput_led_worker()
1734 * be another incoming SET-LED request from user-space, which changes in hidinput_led_worker()
1737 * boolean value no matter what information is currently set on the LED in hidinput_led_worker()
1740 * And in case we send a wrong value, a next led worker is spawned in hidinput_led_worker()
1741 * for every SET-LED request so the following worker will send the in hidinput_led_worker()
1742 * correct value, guaranteed! in hidinput_led_worker()
1745 report = field->report; in hidinput_led_worker()
1748 if (hid->ll_driver->request) in hidinput_led_worker()
1749 return hid->ll_driver->request(hid, report, HID_REQ_SET_REPORT); in hidinput_led_worker()
1751 /* fall back to generic raw-output-report */ in hidinput_led_worker()
1760 if (ret == -ENOSYS) in hidinput_led_worker()
1761 hid_hw_raw_request(hid, report->id, buf, len, HID_OUTPUT_REPORT, in hidinput_led_worker()
1767 unsigned int code, int value) in hidinput_input_event() argument
1774 return input_ff_event(dev, type, code, value); in hidinput_input_event()
1777 return -1; in hidinput_input_event()
1779 if ((offset = hidinput_find_field(hid, type, code, &field)) == -1) { in hidinput_input_event()
1781 return -1; in hidinput_input_event()
1784 hid_set_field(field, offset, value); in hidinput_input_event()
1786 schedule_work(&hid->led_work); in hidinput_input_event()
1812 if (report->maxfield == 0) in __hidinput_change_resolution_multipliers()
1815 for (i = 0; i < report->maxfield; i++) { in __hidinput_change_resolution_multipliers()
1816 __s32 value = use_logical_max ? in __hidinput_change_resolution_multipliers() local
1817 report->field[i]->logical_maximum : in __hidinput_change_resolution_multipliers()
1818 report->field[i]->logical_minimum; in __hidinput_change_resolution_multipliers()
1824 if (report->field[i]->report_count != 1) in __hidinput_change_resolution_multipliers()
1827 for (j = 0; j < report->field[i]->maxusage; j++) { in __hidinput_change_resolution_multipliers()
1828 usage = &report->field[i]->usage[j]; in __hidinput_change_resolution_multipliers()
1830 if (usage->hid != HID_GD_RESOLUTION_MULTIPLIER) in __hidinput_change_resolution_multipliers()
1843 if (!get_report_completed && report->maxfield > 1) { in __hidinput_change_resolution_multipliers()
1844 if (hid->quirks & HID_QUIRK_NO_INIT_REPORTS) in __hidinput_change_resolution_multipliers()
1852 report->field[i]->value[j] = value; in __hidinput_change_resolution_multipliers()
1866 rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; in hidinput_change_resolution_multipliers()
1867 list_for_each_entry(rep, &rep_enum->report_list, list) { in hidinput_change_resolution_multipliers()
1887 struct hid_driver *drv = hid->driver; in report_features()
1893 rep_enum = &hid->report_enum[HID_FEATURE_REPORT]; in report_features()
1894 list_for_each_entry(rep, &rep_enum->report_list, list) in report_features()
1895 for (i = 0; i < rep->maxfield; i++) { in report_features()
1897 if (rep->field[i]->report_count < 1) in report_features()
1900 for (j = 0; j < rep->field[i]->maxusage; j++) { in report_features()
1901 usage = &rep->field[i]->usage[j]; in report_features()
1904 if (usage->hid == HID_DC_BATTERYSTRENGTH) in report_features()
1906 rep->field[i], false); in report_features()
1908 if (drv->feature_mapping) in report_features()
1909 drv->feature_mapping(hid, rep->field[i], usage); in report_features()
1925 if ((hid->quirks & HID_QUIRK_INPUT_PER_APP) && in hidinput_allocate()
1926 hid->maxapplication > 1) { in hidinput_allocate()
1940 * DG_PEN -> "Stylus" in hidinput_allocate()
1941 * DG_STYLUS -> "Pen" in hidinput_allocate()
1974 name_len = strlen(hid->name); in hidinput_allocate()
1977 strcmp(hid->name + name_len - suffix_len, suffix)) { in hidinput_allocate()
1978 hidinput->name = kasprintf(GFP_KERNEL, "%s %s", in hidinput_allocate()
1979 hid->name, suffix); in hidinput_allocate()
1980 if (!hidinput->name) in hidinput_allocate()
1986 input_dev->event = hidinput_input_event; in hidinput_allocate()
1987 input_dev->open = hidinput_open; in hidinput_allocate()
1988 input_dev->close = hidinput_close; in hidinput_allocate()
1989 input_dev->setkeycode = hidinput_setkeycode; in hidinput_allocate()
1990 input_dev->getkeycode = hidinput_getkeycode; in hidinput_allocate()
1992 input_dev->name = hidinput->name ? hidinput->name : hid->name; in hidinput_allocate()
1993 input_dev->phys = hid->phys; in hidinput_allocate()
1994 input_dev->uniq = hid->uniq; in hidinput_allocate()
1995 input_dev->id.bustype = hid->bus; in hidinput_allocate()
1996 input_dev->id.vendor = hid->vendor; in hidinput_allocate()
1997 input_dev->id.product = hid->product; in hidinput_allocate()
1998 input_dev->id.version = hid->version; in hidinput_allocate()
1999 input_dev->dev.parent = &hid->dev; in hidinput_allocate()
2001 hidinput->input = input_dev; in hidinput_allocate()
2002 hidinput->application = application; in hidinput_allocate()
2003 list_add_tail(&hidinput->list, &hid->inputs); in hidinput_allocate()
2005 INIT_LIST_HEAD(&hidinput->reports); in hidinput_allocate()
2012 hid_err(hid, "Out of memory during hid input probe\n"); in hidinput_allocate()
2022 r |= hidinput->input->evbit[i]; in hidinput_has_been_populated()
2025 r |= hidinput->input->keybit[i]; in hidinput_has_been_populated()
2028 r |= hidinput->input->relbit[i]; in hidinput_has_been_populated()
2031 r |= hidinput->input->absbit[i]; in hidinput_has_been_populated()
2034 r |= hidinput->input->mscbit[i]; in hidinput_has_been_populated()
2037 r |= hidinput->input->ledbit[i]; in hidinput_has_been_populated()
2040 r |= hidinput->input->sndbit[i]; in hidinput_has_been_populated()
2043 r |= hidinput->input->ffbit[i]; in hidinput_has_been_populated()
2046 r |= hidinput->input->swbit[i]; in hidinput_has_been_populated()
2057 list_del(&hidinput->list); in hidinput_cleanup_hidinput()
2058 input_free_device(hidinput->input); in hidinput_cleanup_hidinput()
2059 kfree(hidinput->name); in hidinput_cleanup_hidinput()
2063 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) in hidinput_cleanup_hidinput()
2066 list_for_each_entry(report, &hid->report_enum[k].report_list, in hidinput_cleanup_hidinput()
2069 for (i = 0; i < report->maxfield; i++) in hidinput_cleanup_hidinput()
2070 if (report->field[i]->hidinput == hidinput) in hidinput_cleanup_hidinput()
2071 report->field[i]->hidinput = NULL; in hidinput_cleanup_hidinput()
2080 struct hid_device *hid = report->device; in hidinput_match()
2083 list_for_each_entry(hidinput, &hid->inputs, list) { in hidinput_match()
2084 if (hidinput->report && in hidinput_match()
2085 hidinput->report->id == report->id) in hidinput_match()
2094 struct hid_device *hid = report->device; in hidinput_match_application()
2097 list_for_each_entry(hidinput, &hid->inputs, list) { in hidinput_match_application()
2098 if (hidinput->application == report->application) in hidinput_match_application()
2105 if ((report->application == HID_GD_SYSTEM_CONTROL || in hidinput_match_application()
2106 report->application == HID_CP_CONSUMER_CONTROL) && in hidinput_match_application()
2107 hidinput->application == HID_GD_KEYBOARD) { in hidinput_match_application()
2120 int slot_collection_index = -1; in hidinput_configure_usages()
2121 int prev_collection_index = -1; in hidinput_configure_usages()
2129 for (i = 0; i < report->maxfield; i++) { in hidinput_configure_usages()
2130 field = report->field[i]; in hidinput_configure_usages()
2133 if (field->maxusage < 1) in hidinput_configure_usages()
2139 if (prev_collection_index != field->usage->collection_index) { in hidinput_configure_usages()
2140 prev_collection_index = field->usage->collection_index; in hidinput_configure_usages()
2148 if (slot_collection_index == field->usage->collection_index) { in hidinput_configure_usages()
2149 field->slot_idx = slot_idx; in hidinput_configure_usages()
2154 for (j = 0; j < field->maxusage; j++) { in hidinput_configure_usages()
2155 if (field->usage[j].hid == HID_DG_CONTACTID) { in hidinput_configure_usages()
2156 slot_collection_index = field->usage->collection_index; in hidinput_configure_usages()
2164 report->field[k]->slot_idx = slot_idx; in hidinput_configure_usages()
2170 for (i = 0; i < report->maxfield; i++) in hidinput_configure_usages()
2171 for (j = 0; j < report->field[i]->maxusage; j++) in hidinput_configure_usages()
2172 hidinput_configure_usage(hidinput, report->field[i], in hidinput_configure_usages()
2173 report->field[i]->usage + j, in hidinput_configure_usages()
2178 * Register the input device; print a message.
2179 * Configure the input layer interface
2185 struct hid_driver *drv = hid->driver; in hidinput_connect()
2191 INIT_LIST_HEAD(&hid->inputs); in hidinput_connect()
2192 INIT_WORK(&hid->led_work, hidinput_led_worker); in hidinput_connect()
2194 hid->status &= ~HID_STAT_DUP_DETECTED; in hidinput_connect()
2197 for (i = 0; i < hid->maxcollection; i++) { in hidinput_connect()
2198 struct hid_collection *col = &hid->collection[i]; in hidinput_connect()
2199 if (col->type == HID_COLLECTION_APPLICATION || in hidinput_connect()
2200 col->type == HID_COLLECTION_PHYSICAL) in hidinput_connect()
2201 if (IS_INPUT_APPLICATION(col->usage)) in hidinput_connect()
2205 if (i == hid->maxcollection) in hidinput_connect()
2206 return -1; in hidinput_connect()
2213 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS) in hidinput_connect()
2216 list_for_each_entry(report, &hid->report_enum[k].report_list, list) { in hidinput_connect()
2218 if (!report->maxfield) in hidinput_connect()
2221 application = report->application; in hidinput_connect()
2227 if (hid->quirks & HID_QUIRK_MULTI_INPUT) in hidinput_connect()
2229 else if (hid->maxapplication > 1 && in hidinput_connect()
2230 (hid->quirks & HID_QUIRK_INPUT_PER_APP)) in hidinput_connect()
2241 if (hid->quirks & HID_QUIRK_MULTI_INPUT) in hidinput_connect()
2242 hidinput->report = report; in hidinput_connect()
2244 list_add_tail(&report->hidinput_list, in hidinput_connect()
2245 &hidinput->reports); in hidinput_connect()
2251 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { in hidinput_connect()
2252 if (drv->input_configured && in hidinput_connect()
2253 drv->input_configured(hid, hidinput)) in hidinput_connect()
2257 /* no need to register an input device not populated */ in hidinput_connect()
2262 if (input_register_device(hidinput->input)) in hidinput_connect()
2264 hidinput->registered = true; in hidinput_connect()
2267 if (list_empty(&hid->inputs)) { in hidinput_connect()
2272 if (hid->status & HID_STAT_DUP_DETECTED) in hidinput_connect()
2282 return -1; in hidinput_connect()
2292 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) { in hidinput_disconnect()
2293 list_del(&hidinput->list); in hidinput_disconnect()
2294 if (hidinput->registered) in hidinput_disconnect()
2295 input_unregister_device(hidinput->input); in hidinput_disconnect()
2297 input_free_device(hidinput->input); in hidinput_disconnect()
2298 kfree(hidinput->name); in hidinput_disconnect()
2303 * parent input_dev at all. Once all input devices are removed, we in hidinput_disconnect()
2306 cancel_work_sync(&hid->led_work); in hidinput_disconnect()