52 	__u32 usage;			/* the HID usage associated */  member
56 	unsigned int slot_overwrite;	/* for globals: allows to set the usage
80 	  .usage = HID_DG_ERASER,
83 	  .usage = HID_DG_INVERT,
86 	  .usage = HID_DG_TIPSWITCH,
89 	  .usage = HID_DG_TIPPRESSURE,
92 	  .usage = HID_DG_INRANGE,
96 #define map_abs(c)	hid_map_usage(hidinput, usage, &bit, &max, EV_ABS, (c))
97 #define map_rel(c)	hid_map_usage(hidinput, usage, &bit, &max, EV_REL, (c))
98 #define map_key(c)	hid_map_usage(hidinput, usage, &bit, &max, EV_KEY, (c))
99 #define map_led(c)	hid_map_usage(hidinput, usage, &bit, &max, EV_LED, (c))
100 #define map_msc(c)	hid_map_usage(hidinput, usage, &bit, &max, EV_MSC, (c))
102 #define map_abs_clear(c)	hid_map_usage_clear(hidinput, usage, &bit, \
104 #define map_key_clear(c)	hid_map_usage_clear(hidinput, usage, &bit, \
107 static bool match_scancode(struct hid_usage *usage,  in match_scancode()  argument
110 	return (usage->hid & (HID_USAGE_PAGE | HID_USAGE)) == scancode;  in match_scancode()
113 static bool match_keycode(struct hid_usage *usage,  in match_keycode()  argument
119 	return (usage->type == EV_KEY && usage->code == keycode);  in match_keycode()
122 static bool match_index(struct hid_usage *usage,  in match_index()  argument
128 typedef bool (*hid_usage_cmp_t)(struct hid_usage *usage,
138 	struct hid_usage *usage;  in hidinput_find_key()  local
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()
149 							return usage;  in hidinput_find_key()
164 	struct hid_usage *usage;  in hidinput_locate_usage()  local
168 		usage = hidinput_find_key(hid, match_index, ke->index, index);  in hidinput_locate_usage()
170 		usage = hidinput_find_key(hid, match_scancode, scancode, index);  in hidinput_locate_usage()
172 		usage = NULL;  in hidinput_locate_usage()
174 	return usage;  in hidinput_locate_usage()
181 	struct hid_usage *usage;  in hidinput_getkeycode()  local
184 	usage = hidinput_locate_usage(hid, ke, &index);  in hidinput_getkeycode()
185 	if (usage) {  in hidinput_getkeycode()
186 		ke->keycode = usage->type == EV_KEY ?  in hidinput_getkeycode()
187 				usage->code : KEY_RESERVED;  in hidinput_getkeycode()
189 		scancode = usage->hid & (HID_USAGE_PAGE | HID_USAGE);  in hidinput_getkeycode()
203 	struct hid_usage *usage;  in hidinput_setkeycode()  local
205 	usage = hidinput_locate_usage(hid, ke, NULL);  in hidinput_setkeycode()
206 	if (usage) {  in hidinput_setkeycode()
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()
213 		set_bit(usage->code, dev->keybit);  in hidinput_setkeycode()
214 		dbg_hid("Assigned keycode %d to HID usage code %x\n",  in hidinput_setkeycode()
215 			usage->code, usage->hid);  in hidinput_setkeycode()
622 					       unsigned int usage, int value)  in hidinput_set_battery_charge_status()  argument
624 	switch (usage) {  in hidinput_set_battery_charge_status()
650 					       unsigned int usage, int value)  in hidinput_set_battery_charge_status()  argument
657 					 unsigned int type, unsigned int usage)  in hidinput_field_in_collection()  argument
661 	collection = &device->collection[field->usage->collection_index];  in hidinput_field_in_collection()
663 	return collection->type == type && collection->usage == usage;  in hidinput_field_in_collection()
667 				     struct hid_usage *usage, unsigned int usage_index)  in hidinput_configure_usage()  argument
687 			(usage->hid & HID_USAGE_PAGE) != HID_UP_LED) {  in hidinput_configure_usage()
693 		if (usage->hid == hidinput_usages_priorities[i].usage) {  in hidinput_configure_usage()
715 				usage, &bit, &max);  in hidinput_configure_usage()
722 	switch (usage->hid & HID_USAGE_PAGE) {  in hidinput_configure_usage()
729 		if ((usage->hid & HID_USAGE) < 256) {  in hidinput_configure_usage()
730 			if (!hid_keyboard[usage->hid & HID_USAGE]) goto ignore;  in hidinput_configure_usage()
731 			map_key_clear(hid_keyboard[usage->hid & HID_USAGE]);  in hidinput_configure_usage()
738 		code = ((usage->hid - 1) & HID_USAGE);  in hidinput_configure_usage()
780 		switch (usage->hid & 0xffff) {  in hidinput_configure_usage()
791 		if ((usage->hid & 0xf0) == 0x80) {	/* SystemControl */  in hidinput_configure_usage()
792 			switch (usage->hid & 0xf) {  in hidinput_configure_usage()
813 		if ((usage->hid & 0xf0) == 0x90) { /* SystemControl & D-pad */  in hidinput_configure_usage()
814 			switch (usage->hid) {  in hidinput_configure_usage()
815 			case HID_GD_UP:	   usage->hat_dir = 1; break;  in hidinput_configure_usage()
816 			case HID_GD_DOWN:  usage->hat_dir = 5; break;  in hidinput_configure_usage()
817 			case HID_GD_RIGHT: usage->hat_dir = 3; break;  in hidinput_configure_usage()
818 			case HID_GD_LEFT:  usage->hat_dir = 7; break;  in hidinput_configure_usage()
824 			if (usage->hid <= HID_GD_LEFT) {  in hidinput_configure_usage()
834 		if ((usage->hid & 0xf0) == 0xa0) {	/* SystemControl */  in hidinput_configure_usage()
835 			switch (usage->hid & 0xf) {  in hidinput_configure_usage()
843 		if ((usage->hid & 0xf0) == 0xb0) {	/* SC - Display */  in hidinput_configure_usage()
844 			switch (usage->hid & 0xf) {  in hidinput_configure_usage()
860 		switch (usage->hid) {  in hidinput_configure_usage()
861 		/* These usage IDs map directly to the usage codes. */  in hidinput_configure_usage()
865 				map_rel(usage->hid & 0xf);  in hidinput_configure_usage()
867 				map_abs_clear(usage->hid & 0xf);  in hidinput_configure_usage()
875 				map_abs(usage->hid & 0xf);  in hidinput_configure_usage()
880 				map_rel(usage->hid & 0xf);  in hidinput_configure_usage()
882 				map_abs(usage->hid & 0xf);  in hidinput_configure_usage()
886 			usage->hat_min = field->logical_minimum;  in hidinput_configure_usage()
887 			usage->hat_max = field->logical_maximum;  in hidinput_configure_usage()
910 		switch (usage->hid & 0xffff) {		      /* HID-Value:                   */  in hidinput_configure_usage()
933 		switch (usage->hid & 0xff) {  in hidinput_configure_usage()
977 			usage->type = EV_PWR;  in hidinput_configure_usage()
1032 		switch (usage->hid & HID_USAGE) {  in hidinput_configure_usage()
1055 		switch (usage->hid & HID_USAGE) {  in hidinput_configure_usage()
1249 		switch (usage->hid) {  in hidinput_configure_usage()
1252 			usage->type = EV_PWR;  in hidinput_configure_usage()
1258 		switch (usage->hid) {  in hidinput_configure_usage()
1261 			usage->type = EV_PWR;  in hidinput_configure_usage()
1264 			usage->type = EV_PWR;  in hidinput_configure_usage()
1269 		switch (usage->hid & HID_USAGE) {  in hidinput_configure_usage()
1281 		switch (usage->hid & HID_USAGE) {  in hidinput_configure_usage()
1300 		switch (usage->hid & HID_USAGE) {  in hidinput_configure_usage()
1323 		switch (usage->hid & HID_USAGE) {  in hidinput_configure_usage()
1353 	    device->driver->input_mapped(device, hidinput, field, usage,  in hidinput_configure_usage()
1357 		 * of the usage is desired.  in hidinput_configure_usage()
1362 	set_bit(usage->type, input->evbit);  in hidinput_configure_usage()
1379 	while (usage->code <= max && test_and_set_bit(usage->code, bit)) {  in hidinput_configure_usage()
1381 			usage->code = find_next_zero_bit(bit,  in hidinput_configure_usage()
1383 							 usage->code);  in hidinput_configure_usage()
1390 	if (usage->code > max)  in hidinput_configure_usage()
1393 	if (usage->type == EV_ABS) {  in hidinput_configure_usage()
1398 		if ((device->quirks & HID_QUIRK_BADPAD) && (usage->code == ABS_X || usage->code == ABS_Y)) {  in hidinput_configure_usage()
1404 			input_set_abs_params(input, usage->code, a, b, (b - a) >> 8, (b - a) >> 4);  in hidinput_configure_usage()
1405 		else	input_set_abs_params(input, usage->code, a, b, 0, 0);  in hidinput_configure_usage()
1407 		input_abs_set_res(input, usage->code,  in hidinput_configure_usage()
1408 				  hidinput_calc_abs_res(field, usage->code));  in hidinput_configure_usage()
1411 		if (usage->code == ABS_MT_POSITION_X && input->hint_events_per_packet == 0)  in hidinput_configure_usage()
1415 	if (usage->type == EV_ABS &&  in hidinput_configure_usage()
1416 	    (usage->hat_min < usage->hat_max || usage->hat_dir)) {  in hidinput_configure_usage()
1418 		for (i = usage->code; i < usage->code + 2 && i <= max; i++) {  in hidinput_configure_usage()
1422 		if (usage->hat_dir && !field->dpad)  in hidinput_configure_usage()
1423 			field->dpad = usage->code;  in hidinput_configure_usage()
1426 	/* for those devices which produce Consumer volume usage as relative,  in hidinput_configure_usage()
1430 	if ((usage->type == EV_ABS) && (field->flags & HID_MAIN_ITEM_RELATIVE) &&  in hidinput_configure_usage()
1431 			(usage->code == ABS_VOLUME)) {  in hidinput_configure_usage()
1436 	if (usage->type == EV_KEY) {  in hidinput_configure_usage()
1444 	usage->type = 0;  in hidinput_configure_usage()
1445 	usage->code = 0;  in hidinput_configure_usage()
1448 static void hidinput_handle_scroll(struct hid_usage *usage,  in hidinput_handle_scroll()  argument
1458 	if (usage->code == REL_WHEEL_HI_RES)  in hidinput_handle_scroll()
1469 	hi_res = value * 120/usage->resolution_multiplier;  in hidinput_handle_scroll()
1471 	usage->wheel_accumulated += hi_res;  in hidinput_handle_scroll()
1472 	lo_res = usage->wheel_accumulated/120;  in hidinput_handle_scroll()
1474 		usage->wheel_accumulated -= lo_res * 120;  in hidinput_handle_scroll()
1477 	input_event(input, EV_REL, usage->code, hi_res);  in hidinput_handle_scroll()
1508 void hidinput_hid_event(struct hid_device *hid, struct hid_field *field, struct hid_usage *usage, _…  in hidinput_hid_event()  argument
1514 	if (!usage->type)  in hidinput_hid_event()
1517 	if (usage->type == EV_PWR) {  in hidinput_hid_event()
1518 		bool handled = hidinput_set_battery_charge_status(hid, usage->hid, value);  in hidinput_hid_event()
1531 	if (usage->hat_min < usage->hat_max || usage->hat_dir) {  in hidinput_hid_event()
1532 		int hat_dir = usage->hat_dir;  in hidinput_hid_event()
1534 			hat_dir = (value - usage->hat_min) * 8 / (usage->hat_max - usage->hat_min + 1) + 1;  in hidinput_hid_event()
1536 		input_event(input, usage->type, usage->code    , hid_hat_to_axis[hat_dir].x);  in hidinput_hid_event()
1537 		input_event(input, usage->type, usage->code + 1, hid_hat_to_axis[hat_dir].y);  in hidinput_hid_event()
1565 	switch (usage->hid) {  in hidinput_hid_event()
1615 				report->tool = usage->code;  in hidinput_hid_event()
1620 			hid_report_release_tool(report, input, usage->code);  in hidinput_hid_event()
1659 	switch (usage->type) {  in hidinput_hid_event()
1661 		if (usage->code == 0) /* Key 0 is "unassigned", not KEY_UNKNOWN */  in hidinput_hid_event()
1666 		if (usage->code == REL_WHEEL_HI_RES ||  in hidinput_hid_event()
1667 		    usage->code == REL_HWHEEL_HI_RES) {  in hidinput_hid_event()
1668 			hidinput_handle_scroll(usage, input, value);  in hidinput_hid_event()
1675 		    usage->code == ABS_VOLUME) {  in hidinput_hid_event()
1688 		} else if (((*quirks & HID_QUIRK_X_INVERT) && usage->code == ABS_X) ||  in hidinput_hid_event()
1689 			   ((*quirks & HID_QUIRK_Y_INVERT) && usage->code == ABS_Y))  in hidinput_hid_event()
1707 	    usage->usage_index < field->maxusage &&  in hidinput_hid_event()
1708 	    value == field->value[usage->usage_index])  in hidinput_hid_event()
1711 	/* report the usage code as scancode if the key status has changed */  in hidinput_hid_event()
1712 	if (usage->type == EV_KEY &&  in hidinput_hid_event()
1713 	    (!test_bit(usage->code, input->key)) == value)  in hidinput_hid_event()
1714 		input_event(input, EV_MSC, MSC_SCAN, usage->hid);  in hidinput_hid_event()
1716 	input_event(input, usage->type, usage->code, value);  in hidinput_hid_event()
1719 	    usage->type == EV_KEY && value) {  in hidinput_hid_event()
1721 		input_event(input, usage->type, usage->code, 0);  in hidinput_hid_event()
1747 				if ((*field)->usage[j].type == type && (*field)->usage[j].code == code)  in hidinput_find_field()
1766 				if (field->usage[j].type == EV_LED)  in hidinput_get_led_field()
1787 				if (field->usage[j].type == EV_LED &&  in hidinput_count_leds()
1885 	struct hid_usage *usage;  in __hidinput_change_resolution_multipliers()  local
1906 			usage = &report->field[i]->usage[j];  in __hidinput_change_resolution_multipliers()
1908 			if (usage->hid != HID_GD_RESOLUTION_MULTIPLIER)  in __hidinput_change_resolution_multipliers()
1968 	struct hid_usage *usage;  in report_features()  local
1979 				usage = &rep->field[i]->usage[j];  in report_features()
1982 				if (usage->hid == HID_DC_BATTERYSTRENGTH)  in report_features()
1987 					drv->feature_mapping(hid, rep->field[i], usage);  in report_features()
2210 		/* ignore fields without usage */  in hidinput_configure_usages()
2217 		if (prev_collection_index != field->usage->collection_index) {  in hidinput_configure_usages()
2218 			prev_collection_index = field->usage->collection_index;  in hidinput_configure_usages()
2226 		if (slot_collection_index == field->usage->collection_index) {  in hidinput_configure_usages()
2233 			if (field->usage[j].hid == HID_DG_CONTACTID) {  in hidinput_configure_usages()
2234 				slot_collection_index = field->usage->collection_index;  in hidinput_configure_usages()
2251 						 report->field[i]->usage + j,  in hidinput_configure_usages()
2279 				if (IS_INPUT_APPLICATION(col->usage))  in hidinput_connect()