2 * Copyright (c) 2000-2001 Vojtech Pavlik
3 * Copyright (c) 2006-2010 Jiri Kosina
5 * HID to Linux Input mapping
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
23 * Should you need to contact me, the author, you can do so either by
24 * e-mail - mail your message to <vojtech@ucw.cz>, or by paper mail:
25 * Vojtech Pavlik, Simunkova 1594, Prague 8, 182 00 Czech Republic
28 #include <linux/module.h>
29 #include <linux/slab.h>
30 #include <linux/kernel.h>
32 #include <linux/hid.h>
33 #include <linux/hid-debug.h>
37 #define unk KEY_UNKNOWN
39 static const unsigned char hid_keyboard[256] = {
40 0, 0, 0, 0, 30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38,
41 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3,
42 4, 5, 6, 7, 8, 9, 10, 11, 28, 1, 14, 15, 57, 12, 13, 26,
43 27, 43, 43, 39, 40, 41, 51, 52, 53, 58, 59, 60, 61, 62, 63, 64,
44 65, 66, 67, 68, 87, 88, 99, 70,119,110,102,104,111,107,109,106,
45 105,108,103, 69, 98, 55, 74, 78, 96, 79, 80, 81, 75, 76, 77, 71,
46 72, 73, 82, 83, 86,127,116,117,183,184,185,186,187,188,189,190,
47 191,192,193,194,134,138,130,132,128,129,131,137,133,135,136,113,
48 115,114,unk,unk,unk,121,unk, 89, 93,124, 92, 94, 95,unk,unk,unk,
49 122,123, 90, 91, 85,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,
50 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
51 unk,unk,unk,unk,unk,unk,179,180,unk,unk,unk,unk,unk,unk,unk,unk,
52 unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,unk,
53 unk,unk,unk,unk,unk,unk,unk,unk,111,unk,unk,unk,unk,unk,unk,unk,
54 29, 42, 56,125, 97, 54,100,126,164,166,165,163,161,115,114,113,
55 150,158,159,128,136,177,178,176,142,152,173,140,unk,unk,unk,unk
61 } hid_hat_to_axis[] = {{ 0, 0}, { 0,-1}, { 1,-1}, { 1, 0}, { 1, 1}, { 0, 1}, {-1, 1}, {-1, 0}, {-1,-1}};
63 #define map_abs(c) hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c))
64 #define map_rel(c) hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c))
65 #define map_key(c) hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c))
66 #define map_led(c) hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c))
68 #define map_abs_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
70 #define map_key_clear(c) hid_map_usage_clear(hidinput, usage, &bit, \
73 static bool match_scancode(struct hid_usage *usage,
74 unsigned int cur_idx, unsigned int scancode)
76 return (usage->hid & (HID_USAGE_PAGE | HID_USAGE)) == scancode;
79 static bool match_keycode(struct hid_usage *usage,
80 unsigned int cur_idx, unsigned int keycode)
83 * We should exclude unmapped usages when doing lookup by keycode.
85 return (usage->type == EV_KEY && usage->code == keycode);
88 static bool match_index(struct hid_usage *usage,
89 unsigned int cur_idx, unsigned int idx)
91 return cur_idx == idx;
94 typedef bool (*hid_usage_cmp_t)(struct hid_usage *usage,
95 unsigned int cur_idx, unsigned int val);
97 static struct hid_usage *hidinput_find_key(struct hid_device *hid,
98 hid_usage_cmp_t match,
100 unsigned int *usage_idx)
102 unsigned int i, j, k, cur_idx = 0;
103 struct hid_report *report;
104 struct hid_usage *usage;
106 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
107 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
108 for (i = 0; i < report->maxfield; i++) {
109 for (j = 0; j < report->field[i]->maxusage; j++) {
110 usage = report->field[i]->usage + j;
111 if (usage->type == EV_KEY || usage->type == 0) {
112 if (match(usage, cur_idx, value)) {
114 *usage_idx = cur_idx;
126 static struct hid_usage *hidinput_locate_usage(struct hid_device *hid,
127 const struct input_keymap_entry *ke,
130 struct hid_usage *usage;
131 unsigned int scancode;
133 if (ke->flags & INPUT_KEYMAP_BY_INDEX)
134 usage = hidinput_find_key(hid, match_index, ke->index, index);
135 else if (input_scancode_to_scalar(ke, &scancode) == 0)
136 usage = hidinput_find_key(hid, match_scancode, scancode, index);
143 static int hidinput_getkeycode(struct input_dev *dev,
144 struct input_keymap_entry *ke)
146 struct hid_device *hid = input_get_drvdata(dev);
147 struct hid_usage *usage;
148 unsigned int scancode, index;
150 usage = hidinput_locate_usage(hid, ke, &index);
152 ke->keycode = usage->type == EV_KEY ?
153 usage->code : KEY_RESERVED;
155 scancode = usage->hid & (HID_USAGE_PAGE | HID_USAGE);
156 ke->len = sizeof(scancode);
157 memcpy(ke->scancode, &scancode, sizeof(scancode));
164 static int hidinput_setkeycode(struct input_dev *dev,
165 const struct input_keymap_entry *ke,
166 unsigned int *old_keycode)
168 struct hid_device *hid = input_get_drvdata(dev);
169 struct hid_usage *usage;
171 usage = hidinput_locate_usage(hid, ke, NULL);
173 *old_keycode = usage->type == EV_KEY ?
174 usage->code : KEY_RESERVED;
175 usage->code = ke->keycode;
177 clear_bit(*old_keycode, dev->keybit);
178 set_bit(usage->code, dev->keybit);
179 dbg_hid("Assigned keycode %d to HID usage code %x\n",
180 usage->code, usage->hid);
183 * Set the keybit for the old keycode if the old keycode is used
186 if (hidinput_find_key(hid, match_keycode, *old_keycode, NULL))
187 set_bit(*old_keycode, dev->keybit);
197 * hidinput_calc_abs_res - calculate an absolute axis resolution
198 * @field: the HID report field to calculate resolution for
202 * (logical_maximum - logical_minimum)
203 * resolution = ----------------------------------------------------------
204 * (physical_maximum - physical_minimum) * 10 ^ unit_exponent
206 * as seen in the HID specification v1.11 6.2.2.7 Global Items.
208 * Only exponent 1 length units are processed. Centimeters and inches are
209 * converted to millimeters. Degrees are converted to radians.
211 static __s32 hidinput_calc_abs_res(const struct hid_field *field, __u16 code)
213 __s32 unit_exponent = field->unit_exponent;
214 __s32 logical_extents = field->logical_maximum -
215 field->logical_minimum;
216 __s32 physical_extents = field->physical_maximum -
217 field->physical_minimum;
220 /* Check if the extents are sane */
221 if (logical_extents <= 0 || physical_extents <= 0)
225 * Verify and convert units.
226 * See HID specification v1.11 6.2.2.7 Global Items for unit decoding
232 if (field->unit == 0x11) { /* If centimeters */
233 /* Convert to millimeters */
235 } else if (field->unit == 0x13) { /* If inches */
236 /* Convert to millimeters */
237 prev = physical_extents;
238 physical_extents *= 254;
239 if (physical_extents < prev)
252 if (field->unit == 0x14) { /* If degrees */
253 /* Convert to radians */
254 prev = logical_extents;
255 logical_extents *= 573;
256 if (logical_extents < prev)
259 } else if (field->unit != 0x12) { /* If not radians */
268 /* Apply negative unit exponent */
269 for (; unit_exponent < 0; unit_exponent++) {
270 prev = logical_extents;
271 logical_extents *= 10;
272 if (logical_extents < prev)
275 /* Apply positive unit exponent */
276 for (; unit_exponent > 0; unit_exponent--) {
277 prev = physical_extents;
278 physical_extents *= 10;
279 if (physical_extents < prev)
283 /* Calculate resolution */
284 return logical_extents / physical_extents;
287 #ifdef CONFIG_HID_BATTERY_STRENGTH
288 static enum power_supply_property hidinput_battery_props[] = {
289 POWER_SUPPLY_PROP_PRESENT,
290 POWER_SUPPLY_PROP_ONLINE,
291 POWER_SUPPLY_PROP_CAPACITY,
292 POWER_SUPPLY_PROP_MODEL_NAME,
293 POWER_SUPPLY_PROP_STATUS,
294 POWER_SUPPLY_PROP_SCOPE,
297 #define HID_BATTERY_QUIRK_PERCENT (1 << 0) /* always reports percent */
298 #define HID_BATTERY_QUIRK_FEATURE (1 << 1) /* ask for feature report */
300 static const struct hid_device_id hid_battery_quirks[] = {
301 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
302 USB_DEVICE_ID_APPLE_ALU_WIRELESS_2009_ISO),
303 HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
304 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
305 USB_DEVICE_ID_APPLE_ALU_WIRELESS_2011_ANSI),
306 HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
307 { HID_BLUETOOTH_DEVICE(USB_VENDOR_ID_APPLE,
308 USB_DEVICE_ID_APPLE_ALU_WIRELESS_ANSI),
309 HID_BATTERY_QUIRK_PERCENT | HID_BATTERY_QUIRK_FEATURE },
313 static unsigned find_battery_quirk(struct hid_device *hdev)
316 const struct hid_device_id *match;
318 match = hid_match_id(hdev, hid_battery_quirks);
320 quirks = match->driver_data;
325 static int hidinput_get_battery_property(struct power_supply *psy,
326 enum power_supply_property prop,
327 union power_supply_propval *val)
329 struct hid_device *dev = container_of(psy, struct hid_device, battery);
334 case POWER_SUPPLY_PROP_PRESENT:
335 case POWER_SUPPLY_PROP_ONLINE:
339 case POWER_SUPPLY_PROP_CAPACITY:
340 ret = dev->hid_get_raw_report(dev, dev->battery_report_id,
342 dev->battery_report_type);
350 if (dev->battery_min < dev->battery_max &&
351 buf[1] >= dev->battery_min &&
352 buf[1] <= dev->battery_max)
353 val->intval = (100 * (buf[1] - dev->battery_min)) /
354 (dev->battery_max - dev->battery_min);
357 case POWER_SUPPLY_PROP_MODEL_NAME:
358 val->strval = dev->name;
361 case POWER_SUPPLY_PROP_STATUS:
362 val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
365 case POWER_SUPPLY_PROP_SCOPE:
366 val->intval = POWER_SUPPLY_SCOPE_DEVICE;
377 static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type, struct hid_field *field)
379 struct power_supply *battery = &dev->battery;
384 if (field->usage->hid != HID_DC_BATTERYSTRENGTH)
385 return false; /* no match */
387 if (battery->name != NULL)
388 goto out; /* already initialized? */
390 battery->name = kasprintf(GFP_KERNEL, "hid-%s-battery", dev->uniq);
391 if (battery->name == NULL)
394 battery->type = POWER_SUPPLY_TYPE_BATTERY;
395 battery->properties = hidinput_battery_props;
396 battery->num_properties = ARRAY_SIZE(hidinput_battery_props);
397 battery->use_for_apm = 0;
398 battery->get_property = hidinput_get_battery_property;
400 quirks = find_battery_quirk(dev);
402 hid_dbg(dev, "device %x:%x:%x %d quirks %d\n",
403 dev->bus, dev->vendor, dev->product, dev->version, quirks);
405 min = field->logical_minimum;
406 max = field->logical_maximum;
408 if (quirks & HID_BATTERY_QUIRK_PERCENT) {
413 if (quirks & HID_BATTERY_QUIRK_FEATURE)
414 report_type = HID_FEATURE_REPORT;
416 dev->battery_min = min;
417 dev->battery_max = max;
418 dev->battery_report_type = report_type;
419 dev->battery_report_id = field->report->id;
421 ret = power_supply_register(&dev->dev, battery);
423 hid_warn(dev, "can't register power supply: %d\n", ret);
424 kfree(battery->name);
425 battery->name = NULL;
428 power_supply_powers(battery, &dev->dev);
434 static void hidinput_cleanup_battery(struct hid_device *dev)
436 if (!dev->battery.name)
439 power_supply_unregister(&dev->battery);
440 kfree(dev->battery.name);
441 dev->battery.name = NULL;
443 #else /* !CONFIG_HID_BATTERY_STRENGTH */
444 static bool hidinput_setup_battery(struct hid_device *dev, unsigned report_type,
445 struct hid_field *field)
450 static void hidinput_cleanup_battery(struct hid_device *dev)
453 #endif /* CONFIG_HID_BATTERY_STRENGTH */
455 static void hidinput_configure_usage(struct hid_input *hidinput, struct hid_field *field,
456 struct hid_usage *usage)
458 struct input_dev *input = hidinput->input;
459 struct hid_device *device = input_get_drvdata(input);
461 unsigned long *bit = NULL;
463 field->hidinput = hidinput;
465 if (field->flags & HID_MAIN_ITEM_CONSTANT)
468 /* only LED usages are supported in output fields */
469 if (field->report_type == HID_OUTPUT_REPORT &&
470 (usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {
474 if (device->driver->input_mapping) {
475 int ret = device->driver->input_mapping(device, hidinput, field,
483 switch (usage->hid & HID_USAGE_PAGE) {
484 case HID_UP_UNDEFINED:
487 case HID_UP_KEYBOARD:
488 set_bit(EV_REP, input->evbit);
490 if ((usage->hid & HID_USAGE) < 256) {
491 if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;
492 map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);
494 map_key(KEY_UNKNOWN);
499 code = ((usage->hid - 1) & HID_USAGE);
501 switch (field->application) {
503 case HID_GD_POINTER: code += BTN_MOUSE; break;
504 case HID_GD_JOYSTICK:
506 code += BTN_JOYSTICK;
508 code += BTN_TRIGGER_HAPPY - 0x10;
514 code += BTN_TRIGGER_HAPPY - 0x10;
517 switch (field->physical) {
519 case HID_GD_POINTER: code += BTN_MOUSE; break;
520 case HID_GD_JOYSTICK: code += BTN_JOYSTICK; break;
521 case HID_GD_GAMEPAD: code += BTN_GAMEPAD; break;
522 default: code += BTN_MISC;
529 case HID_UP_SIMULATION:
530 switch (usage->hid & 0xffff) {
531 case 0xba: map_abs(ABS_RUDDER); break;
532 case 0xbb: map_abs(ABS_THROTTLE); break;
533 case 0xc4: map_abs(ABS_GAS); break;
534 case 0xc5: map_abs(ABS_BRAKE); break;
535 case 0xc8: map_abs(ABS_WHEEL); break;
536 default: goto ignore;
541 if ((usage->hid & 0xf0) == 0x80) { /* SystemControl */
542 switch (usage->hid & 0xf) {
543 case 0x1: map_key_clear(KEY_POWER); break;
544 case 0x2: map_key_clear(KEY_SLEEP); break;
545 case 0x3: map_key_clear(KEY_WAKEUP); break;
546 case 0x4: map_key_clear(KEY_CONTEXT_MENU); break;
547 case 0x5: map_key_clear(KEY_MENU); break;
548 case 0x6: map_key_clear(KEY_PROG1); break;
549 case 0x7: map_key_clear(KEY_HELP); break;
550 case 0x8: map_key_clear(KEY_EXIT); break;
551 case 0x9: map_key_clear(KEY_SELECT); break;
552 case 0xa: map_key_clear(KEY_RIGHT); break;
553 case 0xb: map_key_clear(KEY_LEFT); break;
554 case 0xc: map_key_clear(KEY_UP); break;
555 case 0xd: map_key_clear(KEY_DOWN); break;
556 case 0xe: map_key_clear(KEY_POWER2); break;
557 case 0xf: map_key_clear(KEY_RESTART); break;
558 default: goto unknown;
563 if ((usage->hid & 0xf0) == 0x90) { /* D-pad */
564 switch (usage->hid) {
565 case HID_GD_UP: usage->hat_dir = 1; break;
566 case HID_GD_DOWN: usage->hat_dir = 5; break;
567 case HID_GD_RIGHT: usage->hat_dir = 3; break;
568 case HID_GD_LEFT: usage->hat_dir = 7; break;
569 default: goto unknown;
572 map_abs(field->dpad);
579 switch (usage->hid) {
580 /* These usage IDs map directly to the usage codes. */
581 case HID_GD_X: case HID_GD_Y: case HID_GD_Z:
582 case HID_GD_RX: case HID_GD_RY: case HID_GD_RZ:
583 case HID_GD_SLIDER: case HID_GD_DIAL: case HID_GD_WHEEL:
584 if (field->flags & HID_MAIN_ITEM_RELATIVE)
585 map_rel(usage->hid & 0xf);
587 map_abs(usage->hid & 0xf);
590 case HID_GD_HATSWITCH:
591 usage->hat_min = field->logical_minimum;
592 usage->hat_max = field->logical_maximum;
596 case HID_GD_START: map_key_clear(BTN_START); break;
597 case HID_GD_SELECT: map_key_clear(BTN_SELECT); break;
599 default: goto unknown;
605 switch (usage->hid & 0xffff) { /* HID-Value: */
606 case 0x01: map_led (LED_NUML); break; /* "Num Lock" */
607 case 0x02: map_led (LED_CAPSL); break; /* "Caps Lock" */
608 case 0x03: map_led (LED_SCROLLL); break; /* "Scroll Lock" */
609 case 0x04: map_led (LED_COMPOSE); break; /* "Compose" */
610 case 0x05: map_led (LED_KANA); break; /* "Kana" */
611 case 0x27: map_led (LED_SLEEP); break; /* "Stand-By" */
612 case 0x4c: map_led (LED_SUSPEND); break; /* "System Suspend" */
613 case 0x09: map_led (LED_MUTE); break; /* "Mute" */
614 case 0x4b: map_led (LED_MISC); break; /* "Generic Indicator" */
615 case 0x19: map_led (LED_MAIL); break; /* "Message Waiting" */
616 case 0x4d: map_led (LED_CHARGING); break; /* "External Power Connected" */
618 default: goto ignore;
622 case HID_UP_DIGITIZER:
623 switch (usage->hid & 0xff) {
624 case 0x00: /* Undefined */
627 case 0x30: /* TipPressure */
628 if (!test_bit(BTN_TOUCH, input->keybit)) {
629 device->quirks |= HID_QUIRK_NOTOUCH;
630 set_bit(EV_KEY, input->evbit);
631 set_bit(BTN_TOUCH, input->keybit);
633 map_abs_clear(ABS_PRESSURE);
636 case 0x32: /* InRange */
637 switch (field->physical & 0xff) {
638 case 0x21: map_key(BTN_TOOL_MOUSE); break;
639 case 0x22: map_key(BTN_TOOL_FINGER); break;
640 default: map_key(BTN_TOOL_PEN); break;
644 case 0x3c: /* Invert */
645 map_key_clear(BTN_TOOL_RUBBER);
648 case 0x3d: /* X Tilt */
649 map_abs_clear(ABS_TILT_X);
652 case 0x3e: /* Y Tilt */
653 map_abs_clear(ABS_TILT_Y);
656 case 0x33: /* Touch */
657 case 0x42: /* TipSwitch */
658 case 0x43: /* TipSwitch2 */
659 device->quirks &= ~HID_QUIRK_NOTOUCH;
660 map_key_clear(BTN_TOUCH);
663 case 0x44: /* BarrelSwitch */
664 map_key_clear(BTN_STYLUS);
667 case 0x46: /* TabletPick */
668 map_key_clear(BTN_STYLUS2);
671 default: goto unknown;
675 case HID_UP_CONSUMER: /* USB HUT v1.12, pages 75-84 */
676 switch (usage->hid & HID_USAGE) {
677 case 0x000: goto ignore;
678 case 0x030: map_key_clear(KEY_POWER); break;
679 case 0x031: map_key_clear(KEY_RESTART); break;
680 case 0x032: map_key_clear(KEY_SLEEP); break;
681 case 0x034: map_key_clear(KEY_SLEEP); break;
682 case 0x035: map_key_clear(KEY_KBDILLUMTOGGLE); break;
683 case 0x036: map_key_clear(BTN_MISC); break;
685 case 0x040: map_key_clear(KEY_MENU); break; /* Menu */
686 case 0x041: map_key_clear(KEY_SELECT); break; /* Menu Pick */
687 case 0x042: map_key_clear(KEY_UP); break; /* Menu Up */
688 case 0x043: map_key_clear(KEY_DOWN); break; /* Menu Down */
689 case 0x044: map_key_clear(KEY_LEFT); break; /* Menu Left */
690 case 0x045: map_key_clear(KEY_RIGHT); break; /* Menu Right */
691 case 0x046: map_key_clear(KEY_ESC); break; /* Menu Escape */
692 case 0x047: map_key_clear(KEY_KPPLUS); break; /* Menu Value Increase */
693 case 0x048: map_key_clear(KEY_KPMINUS); break; /* Menu Value Decrease */
695 case 0x060: map_key_clear(KEY_INFO); break; /* Data On Screen */
696 case 0x061: map_key_clear(KEY_SUBTITLE); break; /* Closed Caption */
697 case 0x063: map_key_clear(KEY_VCR); break; /* VCR/TV */
698 case 0x065: map_key_clear(KEY_CAMERA); break; /* Snapshot */
699 case 0x069: map_key_clear(KEY_RED); break;
700 case 0x06a: map_key_clear(KEY_GREEN); break;
701 case 0x06b: map_key_clear(KEY_BLUE); break;
702 case 0x06c: map_key_clear(KEY_YELLOW); break;
703 case 0x06d: map_key_clear(KEY_ZOOM); break;
705 case 0x082: map_key_clear(KEY_VIDEO_NEXT); break;
706 case 0x083: map_key_clear(KEY_LAST); break;
707 case 0x084: map_key_clear(KEY_ENTER); break;
708 case 0x088: map_key_clear(KEY_PC); break;
709 case 0x089: map_key_clear(KEY_TV); break;
710 case 0x08a: map_key_clear(KEY_WWW); break;
711 case 0x08b: map_key_clear(KEY_DVD); break;
712 case 0x08c: map_key_clear(KEY_PHONE); break;
713 case 0x08d: map_key_clear(KEY_PROGRAM); break;
714 case 0x08e: map_key_clear(KEY_VIDEOPHONE); break;
715 case 0x08f: map_key_clear(KEY_GAMES); break;
716 case 0x090: map_key_clear(KEY_MEMO); break;
717 case 0x091: map_key_clear(KEY_CD); break;
718 case 0x092: map_key_clear(KEY_VCR); break;
719 case 0x093: map_key_clear(KEY_TUNER); break;
720 case 0x094: map_key_clear(KEY_EXIT); break;
721 case 0x095: map_key_clear(KEY_HELP); break;
722 case 0x096: map_key_clear(KEY_TAPE); break;
723 case 0x097: map_key_clear(KEY_TV2); break;
724 case 0x098: map_key_clear(KEY_SAT); break;
725 case 0x09a: map_key_clear(KEY_PVR); break;
727 case 0x09c: map_key_clear(KEY_CHANNELUP); break;
728 case 0x09d: map_key_clear(KEY_CHANNELDOWN); break;
729 case 0x0a0: map_key_clear(KEY_VCR2); break;
731 case 0x0b0: map_key_clear(KEY_PLAY); break;
732 case 0x0b1: map_key_clear(KEY_PAUSE); break;
733 case 0x0b2: map_key_clear(KEY_RECORD); break;
734 case 0x0b3: map_key_clear(KEY_FASTFORWARD); break;
735 case 0x0b4: map_key_clear(KEY_REWIND); break;
736 case 0x0b5: map_key_clear(KEY_NEXTSONG); break;
737 case 0x0b6: map_key_clear(KEY_PREVIOUSSONG); break;
738 case 0x0b7: map_key_clear(KEY_STOPCD); break;
739 case 0x0b8: map_key_clear(KEY_EJECTCD); break;
740 case 0x0bc: map_key_clear(KEY_MEDIA_REPEAT); break;
741 case 0x0b9: map_key_clear(KEY_SHUFFLE); break;
742 case 0x0bf: map_key_clear(KEY_SLOW); break;
744 case 0x0cd: map_key_clear(KEY_PLAYPAUSE); break;
745 case 0x0e0: map_abs_clear(ABS_VOLUME); break;
746 case 0x0e2: map_key_clear(KEY_MUTE); break;
747 case 0x0e5: map_key_clear(KEY_BASSBOOST); break;
748 case 0x0e9: map_key_clear(KEY_VOLUMEUP); break;
749 case 0x0ea: map_key_clear(KEY_VOLUMEDOWN); break;
750 case 0x0f5: map_key_clear(KEY_SLOW); break;
752 case 0x182: map_key_clear(KEY_BOOKMARKS); break;
753 case 0x183: map_key_clear(KEY_CONFIG); break;
754 case 0x184: map_key_clear(KEY_WORDPROCESSOR); break;
755 case 0x185: map_key_clear(KEY_EDITOR); break;
756 case 0x186: map_key_clear(KEY_SPREADSHEET); break;
757 case 0x187: map_key_clear(KEY_GRAPHICSEDITOR); break;
758 case 0x188: map_key_clear(KEY_PRESENTATION); break;
759 case 0x189: map_key_clear(KEY_DATABASE); break;
760 case 0x18a: map_key_clear(KEY_MAIL); break;
761 case 0x18b: map_key_clear(KEY_NEWS); break;
762 case 0x18c: map_key_clear(KEY_VOICEMAIL); break;
763 case 0x18d: map_key_clear(KEY_ADDRESSBOOK); break;
764 case 0x18e: map_key_clear(KEY_CALENDAR); break;
765 case 0x191: map_key_clear(KEY_FINANCE); break;
766 case 0x192: map_key_clear(KEY_CALC); break;
767 case 0x193: map_key_clear(KEY_PLAYER); break;
768 case 0x194: map_key_clear(KEY_FILE); break;
769 case 0x196: map_key_clear(KEY_WWW); break;
770 case 0x199: map_key_clear(KEY_CHAT); break;
771 case 0x19c: map_key_clear(KEY_LOGOFF); break;
772 case 0x19e: map_key_clear(KEY_COFFEE); break;
773 case 0x1a6: map_key_clear(KEY_HELP); break;
774 case 0x1a7: map_key_clear(KEY_DOCUMENTS); break;
775 case 0x1ab: map_key_clear(KEY_SPELLCHECK); break;
776 case 0x1ae: map_key_clear(KEY_KEYBOARD); break;
777 case 0x1b6: map_key_clear(KEY_IMAGES); break;
778 case 0x1b7: map_key_clear(KEY_AUDIO); break;
779 case 0x1b8: map_key_clear(KEY_VIDEO); break;
780 case 0x1bc: map_key_clear(KEY_MESSENGER); break;
781 case 0x1bd: map_key_clear(KEY_INFO); break;
782 case 0x201: map_key_clear(KEY_NEW); break;
783 case 0x202: map_key_clear(KEY_OPEN); break;
784 case 0x203: map_key_clear(KEY_CLOSE); break;
785 case 0x204: map_key_clear(KEY_EXIT); break;
786 case 0x207: map_key_clear(KEY_SAVE); break;
787 case 0x208: map_key_clear(KEY_PRINT); break;
788 case 0x209: map_key_clear(KEY_PROPS); break;
789 case 0x21a: map_key_clear(KEY_UNDO); break;
790 case 0x21b: map_key_clear(KEY_COPY); break;
791 case 0x21c: map_key_clear(KEY_CUT); break;
792 case 0x21d: map_key_clear(KEY_PASTE); break;
793 case 0x21f: map_key_clear(KEY_FIND); break;
794 case 0x221: map_key_clear(KEY_SEARCH); break;
795 case 0x222: map_key_clear(KEY_GOTO); break;
796 case 0x223: map_key_clear(KEY_HOMEPAGE); break;
797 case 0x224: map_key_clear(KEY_BACK); break;
798 case 0x225: map_key_clear(KEY_FORWARD); break;
799 case 0x226: map_key_clear(KEY_STOP); break;
800 case 0x227: map_key_clear(KEY_REFRESH); break;
801 case 0x22a: map_key_clear(KEY_BOOKMARKS); break;
802 case 0x22d: map_key_clear(KEY_ZOOMIN); break;
803 case 0x22e: map_key_clear(KEY_ZOOMOUT); break;
804 case 0x22f: map_key_clear(KEY_ZOOMRESET); break;
805 case 0x233: map_key_clear(KEY_SCROLLUP); break;
806 case 0x234: map_key_clear(KEY_SCROLLDOWN); break;
807 case 0x238: map_rel(REL_HWHEEL); break;
808 case 0x23d: map_key_clear(KEY_EDIT); break;
809 case 0x25f: map_key_clear(KEY_CANCEL); break;
810 case 0x269: map_key_clear(KEY_INSERT); break;
811 case 0x26a: map_key_clear(KEY_DELETE); break;
812 case 0x279: map_key_clear(KEY_REDO); break;
814 case 0x289: map_key_clear(KEY_REPLY); break;
815 case 0x28b: map_key_clear(KEY_FORWARDMAIL); break;
816 case 0x28c: map_key_clear(KEY_SEND); break;
818 default: goto ignore;
822 case HID_UP_GENDEVCTRLS:
823 if (hidinput_setup_battery(device, HID_INPUT_REPORT, field))
829 case HID_UP_HPVENDOR: /* Reported on a Dutch layout HP5308 */
830 set_bit(EV_REP, input->evbit);
831 switch (usage->hid & HID_USAGE) {
832 case 0x021: map_key_clear(KEY_PRINT); break;
833 case 0x070: map_key_clear(KEY_HP); break;
834 case 0x071: map_key_clear(KEY_CAMERA); break;
835 case 0x072: map_key_clear(KEY_SOUND); break;
836 case 0x073: map_key_clear(KEY_QUESTION); break;
837 case 0x080: map_key_clear(KEY_EMAIL); break;
838 case 0x081: map_key_clear(KEY_CHAT); break;
839 case 0x082: map_key_clear(KEY_SEARCH); break;
840 case 0x083: map_key_clear(KEY_CONNECT); break;
841 case 0x084: map_key_clear(KEY_FINANCE); break;
842 case 0x085: map_key_clear(KEY_SPORT); break;
843 case 0x086: map_key_clear(KEY_SHOP); break;
844 default: goto ignore;
848 case HID_UP_HPVENDOR2:
849 set_bit(EV_REP, input->evbit);
850 switch (usage->hid & HID_USAGE) {
851 case 0x003: map_key_clear(KEY_BRIGHTNESSDOWN); break;
852 case 0x004: map_key_clear(KEY_BRIGHTNESSUP); break;
853 default: goto ignore;
857 case HID_UP_MSVENDOR:
860 case HID_UP_CUSTOM: /* Reported on Logitech and Apple USB keyboards */
861 set_bit(EV_REP, input->evbit);
864 case HID_UP_LOGIVENDOR:
868 switch (usage->hid & HID_USAGE) {
869 case 0xa4: map_key_clear(BTN_DEAD); break;
870 default: goto ignore;
876 if (field->report_size == 1) {
877 if (field->report->type == HID_OUTPUT_REPORT) {
884 if (field->flags & HID_MAIN_ITEM_RELATIVE) {
893 if (device->driver->input_mapped && device->driver->input_mapped(device,
894 hidinput, field, usage, &bit, &max) < 0)
897 set_bit(usage->type, input->evbit);
899 while (usage->code <= max && test_and_set_bit(usage->code, bit))
900 usage->code = find_next_zero_bit(bit, max + 1, usage->code);
902 if (usage->code > max)
906 if (usage->type == EV_ABS) {
908 int a = field->logical_minimum;
909 int b = field->logical_maximum;
911 if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {
912 a = field->logical_minimum = 0;
913 b = field->logical_maximum = 255;
916 if (field->application == HID_GD_GAMEPAD || field->application == HID_GD_JOYSTICK)
917 input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);
918 else input_set_abs_params(input, usage->code, a, b, 0, 0);
920 input_abs_set_res(input, usage->code,
921 hidinput_calc_abs_res(field, usage->code));
923 /* use a larger default input buffer for MT devices */
924 if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0)
925 input_set_events_per_packet(input, 60);
928 if (usage->type == EV_ABS &&
929 (usage->hat_min < usage->hat_max || usage->hat_dir)) {
931 for (i = usage->code; i < usage->code + 2 && i <= max; i++) {
932 input_set_abs_params(input, i, -1, 1, 0, 0);
933 set_bit(i, input->absbit);
935 if (usage->hat_dir && !field->dpad)
936 field->dpad = usage->code;
939 /* for those devices which produce Consumer volume usage as relative,
940 * we emulate pressing volumeup/volumedown appropriate number of times
941 * in hidinput_hid_event()
943 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
944 (usage->code == ABS_VOLUME)) {
945 set_bit(KEY_VOLUMEUP, input->keybit);
946 set_bit(KEY_VOLUMEDOWN, input->keybit);
949 if (usage->type == EV_KEY) {
950 set_bit(EV_MSC, input->evbit);
951 set_bit(MSC_SCAN, input->mscbit);
959 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, __s32 value)
961 struct input_dev *input;
962 unsigned *quirks = &hid->quirks;
964 if (!field->hidinput)
967 input = field->hidinput->input;
972 if (usage->hat_min < usage->hat_max || usage->hat_dir) {
973 int hat_dir = usage->hat_dir;
975 hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;
976 if (hat_dir < 0 || hat_dir > 8) hat_dir = 0;
977 input_event(input, usage->type, usage->code , hid_hat_to_axis[hat_dir].x);
978 input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);
982 if (usage->hid == (HID_UP_DIGITIZER | 0x003c)) { /* Invert */
983 *quirks = value ? (*quirks | HID_QUIRK_INVERT) : (*quirks & ~HID_QUIRK_INVERT);
987 if (usage->hid == (HID_UP_DIGITIZER | 0x0032)) { /* InRange */
989 input_event(input, usage->type, (*quirks & HID_QUIRK_INVERT) ? BTN_TOOL_RUBBER : usage->code, 1);
992 input_event(input, usage->type, usage->code, 0);
993 input_event(input, usage->type, BTN_TOOL_RUBBER, 0);
997 if (usage->hid == (HID_UP_DIGITIZER | 0x0030) && (*quirks & HID_QUIRK_NOTOUCH)) { /* Pressure */
998 int a = field->logical_minimum;
999 int b = field->logical_maximum;
1000 input_event(input, EV_KEY, BTN_TOUCH, value > a + ((b - a) >> 3));
1003 if (usage->hid == (HID_UP_PID | 0x83UL)) { /* Simultaneous Effects Max */
1004 dbg_hid("Maximum Effects - %d\n",value);
1008 if (usage->hid == (HID_UP_PID | 0x7fUL)) {
1009 dbg_hid("PID Pool Report\n");
1013 if ((usage->type == EV_KEY) && (usage->code == 0)) /* Key 0 is "unassigned", not KEY_UNKNOWN */
1016 if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&
1017 (usage->code == ABS_VOLUME)) {
1018 int count = abs(value);
1019 int direction = value > 0 ? KEY_VOLUMEUP : KEY_VOLUMEDOWN;
1022 for (i = 0; i < count; i++) {
1023 input_event(input, EV_KEY, direction, 1);
1025 input_event(input, EV_KEY, direction, 0);
1032 * Ignore out-of-range values as per HID specification,
1033 * section 5.10 and 6.2.25
1035 if ((field->flags & HID_MAIN_ITEM_VARIABLE) &&
1036 (value < field->logical_minimum ||
1037 value > field->logical_maximum)) {
1038 dbg_hid("Ignoring out-of-range value %x\n", value);
1042 /* report the usage code as scancode if the key status has changed */
1043 if (usage->type == EV_KEY && !!test_bit(usage->code, input->key) != value)
1044 input_event(input, EV_MSC, MSC_SCAN, usage->hid);
1046 input_event(input, usage->type, usage->code, value);
1048 if ((field->flags & HID_MAIN_ITEM_RELATIVE) && (usage->type == EV_KEY))
1049 input_event(input, usage->type, usage->code, 0);
1052 void hidinput_report_event(struct hid_device *hid, struct hid_report *report)
1054 struct hid_input *hidinput;
1056 if (hid->quirks & HID_QUIRK_NO_INPUT_SYNC)
1059 list_for_each_entry(hidinput, &hid->inputs, list)
1060 input_sync(hidinput->input);
1062 EXPORT_SYMBOL_GPL(hidinput_report_event);
1064 int hidinput_find_field(struct hid_device *hid, unsigned int type, unsigned int code, struct hid_field **field)
1066 struct hid_report *report;
1069 list_for_each_entry(report, &hid->report_enum[HID_OUTPUT_REPORT].report_list, list) {
1070 for (i = 0; i < report->maxfield; i++) {
1071 *field = report->field[i];
1072 for (j = 0; j < (*field)->maxusage; j++)
1073 if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)
1079 EXPORT_SYMBOL_GPL(hidinput_find_field);
1081 struct hid_field *hidinput_get_led_field(struct hid_device *hid)
1083 struct hid_report *report;
1084 struct hid_field *field;
1087 list_for_each_entry(report,
1088 &hid->report_enum[HID_OUTPUT_REPORT].report_list,
1090 for (i = 0; i < report->maxfield; i++) {
1091 field = report->field[i];
1092 for (j = 0; j < field->maxusage; j++)
1093 if (field->usage[j].type == EV_LED)
1099 EXPORT_SYMBOL_GPL(hidinput_get_led_field);
1101 unsigned int hidinput_count_leds(struct hid_device *hid)
1103 struct hid_report *report;
1104 struct hid_field *field;
1106 unsigned int count = 0;
1108 list_for_each_entry(report,
1109 &hid->report_enum[HID_OUTPUT_REPORT].report_list,
1111 for (i = 0; i < report->maxfield; i++) {
1112 field = report->field[i];
1113 for (j = 0; j < field->maxusage; j++)
1114 if (field->usage[j].type == EV_LED &&
1121 EXPORT_SYMBOL_GPL(hidinput_count_leds);
1123 static int hidinput_open(struct input_dev *dev)
1125 struct hid_device *hid = input_get_drvdata(dev);
1127 return hid_hw_open(hid);
1130 static void hidinput_close(struct input_dev *dev)
1132 struct hid_device *hid = input_get_drvdata(dev);
1137 static void report_features(struct hid_device *hid)
1139 struct hid_driver *drv = hid->driver;
1140 struct hid_report_enum *rep_enum;
1141 struct hid_report *rep;
1144 rep_enum = &hid->report_enum[HID_FEATURE_REPORT];
1145 list_for_each_entry(rep, &rep_enum->report_list, list)
1146 for (i = 0; i < rep->maxfield; i++)
1147 for (j = 0; j < rep->field[i]->maxusage; j++) {
1148 /* Verify if Battery Strength feature is available */
1149 hidinput_setup_battery(hid, HID_FEATURE_REPORT, rep->field[i]);
1151 if (drv->feature_mapping)
1152 drv->feature_mapping(hid, rep->field[i],
1153 rep->field[i]->usage + j);
1158 * Register the input device; print a message.
1159 * Configure the input layer interface
1160 * Read all reports and initialize the absolute field values.
1163 int hidinput_connect(struct hid_device *hid, unsigned int force)
1165 struct hid_driver *drv = hid->driver;
1166 struct hid_report *report;
1167 struct hid_input *hidinput = NULL;
1168 struct input_dev *input_dev;
1171 INIT_LIST_HEAD(&hid->inputs);
1174 for (i = 0; i < hid->maxcollection; i++) {
1175 struct hid_collection *col = &hid->collection[i];
1176 if (col->type == HID_COLLECTION_APPLICATION ||
1177 col->type == HID_COLLECTION_PHYSICAL)
1178 if (IS_INPUT_APPLICATION(col->usage))
1182 if (i == hid->maxcollection)
1186 report_features(hid);
1188 for (k = HID_INPUT_REPORT; k <= HID_OUTPUT_REPORT; k++) {
1189 if (k == HID_OUTPUT_REPORT &&
1190 hid->quirks & HID_QUIRK_SKIP_OUTPUT_REPORTS)
1193 list_for_each_entry(report, &hid->report_enum[k].report_list, list) {
1195 if (!report->maxfield)
1199 hidinput = kzalloc(sizeof(*hidinput), GFP_KERNEL);
1200 input_dev = input_allocate_device();
1201 if (!hidinput || !input_dev) {
1203 input_free_device(input_dev);
1204 hid_err(hid, "Out of memory during hid input probe\n");
1208 input_set_drvdata(input_dev, hid);
1210 hid->ll_driver->hidinput_input_event;
1211 input_dev->open = hidinput_open;
1212 input_dev->close = hidinput_close;
1213 input_dev->setkeycode = hidinput_setkeycode;
1214 input_dev->getkeycode = hidinput_getkeycode;
1216 input_dev->name = hid->name;
1217 input_dev->phys = hid->phys;
1218 input_dev->uniq = hid->uniq;
1219 input_dev->id.bustype = hid->bus;
1220 input_dev->id.vendor = hid->vendor;
1221 input_dev->id.product = hid->product;
1222 input_dev->id.version = hid->version;
1223 input_dev->dev.parent = hid->dev.parent;
1224 hidinput->input = input_dev;
1225 list_add_tail(&hidinput->list, &hid->inputs);
1228 for (i = 0; i < report->maxfield; i++)
1229 for (j = 0; j < report->field[i]->maxusage; j++)
1230 hidinput_configure_usage(hidinput, report->field[i],
1231 report->field[i]->usage + j);
1233 if (hid->quirks & HID_QUIRK_MULTI_INPUT) {
1234 /* This will leave hidinput NULL, so that it
1235 * allocates another one if we have more inputs on
1236 * the same interface. Some devices (e.g. Happ's
1237 * UGCI) cram a lot of unrelated inputs into the
1238 * same interface. */
1239 hidinput->report = report;
1240 if (drv->input_configured)
1241 drv->input_configured(hid, hidinput);
1242 if (input_register_device(hidinput->input))
1250 if (drv->input_configured)
1251 drv->input_configured(hid, hidinput);
1252 if (input_register_device(hidinput->input))
1259 list_del(&hidinput->list);
1260 input_free_device(hidinput->input);
1263 /* unwind the ones we already registered */
1264 hidinput_disconnect(hid);
1268 EXPORT_SYMBOL_GPL(hidinput_connect);
1270 void hidinput_disconnect(struct hid_device *hid)
1272 struct hid_input *hidinput, *next;
1274 hidinput_cleanup_battery(hid);
1276 list_for_each_entry_safe(hidinput, next, &hid->inputs, list) {
1277 list_del(&hidinput->list);
1278 input_unregister_device(hidinput->input);
1282 EXPORT_SYMBOL_GPL(hidinput_disconnect);