127 static void mt_post_parse_default_settings(struct mt_device *td);
128 static void mt_post_parse(struct mt_device *td);
170 static int cypress_compute_slot(struct mt_device *td)  in cypress_compute_slot()  argument
172 	if (td->curdata.contactid != 0 || td->num_received == 0)  in cypress_compute_slot()
173 		return td->curdata.contactid;  in cypress_compute_slot()
276 	struct mt_device *td = hid_get_drvdata(hdev);  in mt_show_quirks()  local
278 	return sprintf(buf, "%u\n", td->mtclass.quirks);  in mt_show_quirks()
286 	struct mt_device *td = hid_get_drvdata(hdev);  in mt_set_quirks()  local
293 	td->mtclass.quirks = val;  in mt_set_quirks()
295 	if (td->cc_index < 0)  in mt_set_quirks()
296 		td->mtclass.quirks &= ~MT_QUIRK_CONTACT_CNT_ACCURATE;  in mt_set_quirks()
314 	struct mt_device *td = hid_get_drvdata(hdev);  in mt_get_feature()  local
325 	if (td->mtclass.name != MT_CLS_WIN_8)  in mt_get_feature()
350 	struct mt_device *td = hid_get_drvdata(hdev);  in mt_feature_mapping()  local
360 		if (td->inputmode < 0) {  in mt_feature_mapping()
361 			td->inputmode = field->report->id;  in mt_feature_mapping()
362 			td->inputmode_index = usage->usage_index;  in mt_feature_mapping()
378 		td->maxcontact_report_id = field->report->id;  in mt_feature_mapping()
379 		td->maxcontacts = field->value[0];  in mt_feature_mapping()
380 		if (!td->maxcontacts &&  in mt_feature_mapping()
382 			td->maxcontacts = field->logical_maximum;  in mt_feature_mapping()
383 		if (td->mtclass.maxcontacts)  in mt_feature_mapping()
385 			td->maxcontacts = td->mtclass.maxcontacts;  in mt_feature_mapping()
396 			td->is_buttonpad = true;  in mt_feature_mapping()
417 static void mt_store_field(struct hid_usage *usage, struct mt_device *td,  in mt_store_field()  argument
420 	struct mt_fields *f = td->fields;  in mt_store_field()
432 	struct mt_device *td = hid_get_drvdata(hdev);  in mt_touch_input_mapping()  local
433 	struct mt_class *cls = &td->mtclass;  in mt_touch_input_mapping()
438 		td->mt_flags |= INPUT_MT_DIRECT;  in mt_touch_input_mapping()
445 		td->mt_flags |= INPUT_MT_POINTER;  in mt_touch_input_mapping()
446 		td->inputmode_value = MT_INPUTMODE_TOUCHPAD;  in mt_touch_input_mapping()
451 		td->buttons_count++;  in mt_touch_input_mapping()
473 			mt_store_field(usage, td, hi);  in mt_touch_input_mapping()
488 			mt_store_field(usage, td, hi);  in mt_touch_input_mapping()
502 			mt_store_field(usage, td, hi);  in mt_touch_input_mapping()
505 			mt_store_field(usage, td, hi);  in mt_touch_input_mapping()
510 			mt_store_field(usage, td, hi);  in mt_touch_input_mapping()
513 			mt_store_field(usage, td, hi);  in mt_touch_input_mapping()
514 			td->touches_by_report++;  in mt_touch_input_mapping()
515 			td->mt_report_id = field->report->id;  in mt_touch_input_mapping()
523 			mt_store_field(usage, td, hi);  in mt_touch_input_mapping()
534 			mt_store_field(usage, td, hi);  in mt_touch_input_mapping()
541 			mt_store_field(usage, td, hi);  in mt_touch_input_mapping()
548 			td->cc_index = field->index;  in mt_touch_input_mapping()
549 			td->cc_value_index = usage->usage_index;  in mt_touch_input_mapping()
587 static int mt_compute_slot(struct mt_device *td, struct input_dev *input)  in mt_compute_slot()  argument
589 	__s32 quirks = td->mtclass.quirks;  in mt_compute_slot()
592 		return td->curdata.contactid;  in mt_compute_slot()
595 		return cypress_compute_slot(td);  in mt_compute_slot()
598 		return td->num_received;  in mt_compute_slot()
601 		return td->curdata.contactid - 1;  in mt_compute_slot()
603 	return input_mt_get_slot_by_key(input, td->curdata.contactid);  in mt_compute_slot()
610 static void mt_complete_slot(struct mt_device *td, struct input_dev *input)  in mt_complete_slot()  argument
612 	if ((td->mtclass.quirks & MT_QUIRK_CONTACT_CNT_ACCURATE) &&  in mt_complete_slot()
613 	    td->num_received >= td->num_expected)  in mt_complete_slot()
616 	if (td->curvalid || (td->mtclass.quirks & MT_QUIRK_ALWAYS_VALID)) {  in mt_complete_slot()
617 		int slotnum = mt_compute_slot(td, input);  in mt_complete_slot()
618 		struct mt_slot *s = &td->curdata;  in mt_complete_slot()
621 		if (slotnum < 0 || slotnum >= td->maxcontacts)  in mt_complete_slot()
624 		if ((td->mtclass.quirks & MT_QUIRK_IGNORE_DUPLICATES) && mt) {  in mt_complete_slot()
654 	td->num_received++;  in mt_complete_slot()
661 static void mt_sync_frame(struct mt_device *td, struct input_dev *input)  in mt_sync_frame()  argument
665 	td->num_received = 0;  in mt_sync_frame()
681 	struct mt_device *td = hid_get_drvdata(hid);  in mt_process_mt_event()  local
682 	__s32 quirks = td->mtclass.quirks;  in mt_process_mt_event()
689 				td->curvalid = value;  in mt_process_mt_event()
691 				td->curdata.inrange_state = value;  in mt_process_mt_event()
695 				td->curvalid = value;  in mt_process_mt_event()
696 			td->curdata.touch_state = value;  in mt_process_mt_event()
700 				td->curvalid = value;  in mt_process_mt_event()
703 			td->curdata.contactid = value;  in mt_process_mt_event()
706 			td->curdata.p = value;  in mt_process_mt_event()
710 				td->curdata.cx = value;  in mt_process_mt_event()
712 				td->curdata.x = value;  in mt_process_mt_event()
716 				td->curdata.cy = value;  in mt_process_mt_event()
718 				td->curdata.y = value;  in mt_process_mt_event()
721 			td->curdata.w = value;  in mt_process_mt_event()
724 			td->curdata.h = value;  in mt_process_mt_event()
741 			if (usage->hid == td->last_slot_field)  in mt_process_mt_event()
742 				mt_complete_slot(td, field->hidinput->input);  in mt_process_mt_event()
750 	struct mt_device *td = hid_get_drvdata(hid);  in mt_touch_report()  local
759 	if (td->cc_index >= 0) {  in mt_touch_report()
760 		struct hid_field *field = report->field[td->cc_index];  in mt_touch_report()
761 		int value = field->value[td->cc_value_index];  in mt_touch_report()
763 			td->num_expected = value;  in mt_touch_report()
778 	if (td->num_received >= td->num_expected)  in mt_touch_report()
779 		mt_sync_frame(td, report->field[0]->hidinput->input);  in mt_touch_report()
785 	struct mt_device *td = hid_get_drvdata(hdev);  in mt_touch_input_configured()  local
786 	struct mt_class *cls = &td->mtclass;  in mt_touch_input_configured()
790 	if (!td->maxcontacts)  in mt_touch_input_configured()
791 		td->maxcontacts = MT_DEFAULT_MAXCONTACT;  in mt_touch_input_configured()
793 	mt_post_parse(td);  in mt_touch_input_configured()
794 	if (td->serial_maybe)  in mt_touch_input_configured()
795 		mt_post_parse_default_settings(td);  in mt_touch_input_configured()
798 		td->mt_flags |= INPUT_MT_POINTER;  in mt_touch_input_configured()
801 		td->mt_flags |= INPUT_MT_DROP_UNUSED;  in mt_touch_input_configured()
804 	if ((td->mt_flags & INPUT_MT_POINTER) && (td->buttons_count == 1))  in mt_touch_input_configured()
805 		td->is_buttonpad = true;  in mt_touch_input_configured()
807 	if (td->is_buttonpad)  in mt_touch_input_configured()
810 	ret = input_mt_init_slots(input, td->maxcontacts, td->mt_flags);  in mt_touch_input_configured()
814 	td->mt_flags = 0;  in mt_touch_input_configured()
822 	struct mt_device *td = hid_get_drvdata(hdev);  in mt_input_mapping()  local
830 	if (!td->mtclass.export_all_inputs &&  in mt_input_mapping()
846 		 (field->report->id != td->mt_report_id) &&  in mt_input_mapping()
847 		 (td->mt_report_id != -1))  in mt_input_mapping()
880 	struct mt_device *td = hid_get_drvdata(hid);  in mt_event()  local
882 	if (field->report->id == td->mt_report_id)  in mt_event()
890 	struct mt_device *td = hid_get_drvdata(hid);  in mt_report()  local
896 	if (report->id == td->mt_report_id)  in mt_report()
905 	struct mt_device *td = hid_get_drvdata(hdev);  in mt_set_input_mode()  local
908 	struct mt_class *cls = &td->mtclass;  in mt_set_input_mode()
912 	if (td->inputmode < 0)  in mt_set_input_mode()
916 	r = re->report_id_hash[td->inputmode];  in mt_set_input_mode()
930 		r->field[0]->value[td->inputmode_index] = td->inputmode_value;  in mt_set_input_mode()
937 	struct mt_device *td = hid_get_drvdata(hdev);  in mt_set_maxcontacts()  local
942 	if (td->maxcontact_report_id < 0)  in mt_set_maxcontacts()
945 	if (!td->mtclass.maxcontacts)  in mt_set_maxcontacts()
949 	r = re->report_id_hash[td->maxcontact_report_id];  in mt_set_maxcontacts()
951 		max = td->mtclass.maxcontacts;  in mt_set_maxcontacts()
961 static void mt_post_parse_default_settings(struct mt_device *td)  in mt_post_parse_default_settings()  argument
963 	__s32 quirks = td->mtclass.quirks;  in mt_post_parse_default_settings()
966 	if (td->touches_by_report == 1) {  in mt_post_parse_default_settings()
974 	td->mtclass.quirks = quirks;  in mt_post_parse_default_settings()
977 static void mt_post_parse(struct mt_device *td)  in mt_post_parse()  argument
979 	struct mt_fields *f = td->fields;  in mt_post_parse()
980 	struct mt_class *cls = &td->mtclass;  in mt_post_parse()
982 	if (td->touches_by_report > 0) {  in mt_post_parse()
983 		int field_count_per_touch = f->length / td->touches_by_report;  in mt_post_parse()
984 		td->last_slot_field = f->usages[field_count_per_touch - 1];  in mt_post_parse()
987 	if (td->cc_index < 0)  in mt_post_parse()
993 	struct mt_device *td = hid_get_drvdata(hdev);  in mt_input_configured()  local
999 	if (hi->report->id == td->mt_report_id) {  in mt_input_configured()
1064 	struct mt_device *td;  in mt_probe()  local
1104 	td = devm_kzalloc(&hdev->dev, sizeof(struct mt_device), GFP_KERNEL);  in mt_probe()
1105 	if (!td) {  in mt_probe()
1109 	td->mtclass = *mtclass;  in mt_probe()
1110 	td->inputmode = -1;  in mt_probe()
1111 	td->maxcontact_report_id = -1;  in mt_probe()
1112 	td->inputmode_value = MT_INPUTMODE_TOUCHSCREEN;  in mt_probe()
1113 	td->cc_index = -1;  in mt_probe()
1114 	td->mt_report_id = -1;  in mt_probe()
1115 	hid_set_drvdata(hdev, td);  in mt_probe()
1117 	td->fields = devm_kzalloc(&hdev->dev, sizeof(struct mt_fields),  in mt_probe()
1119 	if (!td->fields) {  in mt_probe()
1125 		td->serial_maybe = true;  in mt_probe()
1141 	devm_kfree(&hdev->dev, td->fields);  in mt_probe()
1142 	td->fields = NULL;  in mt_probe()