110 	int slot, slots;  in evdev_mt_init()  local
139 	for (slot = 0; slot < slots; slot++)  in evdev_mt_init()
140 		mt->slots[slot].id = -1;  in evdev_mt_init()
169 evdev_mt_send_slot(struct evdev_dev *evdev, int slot,  in evdev_mt_send_slot()  argument
176 	MPASS(type_a || (slot >= 0 && slot <= MAXIMAL_MT_SLOT(evdev)));  in evdev_mt_send_slot()
180 		evdev_send_event(evdev, EV_ABS, ABS_MT_SLOT, slot);  in evdev_mt_send_slot()
194 evdev_mt_push_slot(struct evdev_dev *evdev, int slot,  in evdev_mt_push_slot()  argument
202 	if (!type_a && (slot < 0 || slot > MAXIMAL_MT_SLOT(evdev)))  in evdev_mt_push_slot()
210 		evdev_mt_record_event(evdev, EV_ABS, ABS_MT_SLOT, slot);  in evdev_mt_push_slot()
217 		evdev_mt_send_slot(evdev, slot, state);  in evdev_mt_push_slot()
318 	int i, j, m, n, dx, dy, slot, num_touches;  in evdev_mt_match_frame()  local
331 		FOREACHBIT(mt->touches, slot)  in evdev_mt_match_frame()
333 				dx = pt[i].x - mt->slots[slot].x;  in evdev_mt_match_frame()
334 				dy = pt[i].y - mt->slots[slot].y;  in evdev_mt_match_frame()
341 			FOREACHBIT(mt->touches, slot) {  in evdev_mt_match_frame()
342 				dx = pt[i].x - mt->slots[slot].x;  in evdev_mt_match_frame()
343 				dy = pt[i].y - mt->slots[slot].y;  in evdev_mt_match_frame()
363 	FOREACHBIT(mt->touches, slot)  in evdev_mt_match_frame()
365 			pt[i].id = mt->tracking_ids[slot];  in evdev_mt_match_frame()
372 	union evdev_mt_slot *slot;  in evdev_mt_send_frame()  local
379 	 * to a slot number to make things simpler.  in evdev_mt_send_frame()
381 	for (slot = pt; slot < pt + size; slot++) {  in evdev_mt_send_frame()
382 		if (slot->id < 0)  in evdev_mt_send_frame()
383 			slot->id = ffc_slot(evdev, mt->touches | mt->frame);  in evdev_mt_send_frame()
384 		if (slot->id >= 0)  in evdev_mt_send_frame()
385 			evdev_mt_send_slot(evdev, slot->id, slot);  in evdev_mt_send_frame()
424 			KASSERT(value >= 0, ("Negative slot number"));  in evdev_mt_record_event()
434 			KASSERT(mt->match_slot >= 0, ("Negative slot"));  in evdev_mt_record_event()
436 			    ("Slot number too big"));  in evdev_mt_record_event()
453 	int slot, size = 0;  in evdev_mt_replay_events()  local
457 	FOREACHBIT(mt->match_frame, slot) {  in evdev_mt_replay_events()
458 		if (slot != size)  in evdev_mt_replay_events()
459 			mt->match_slots[size] = mt->match_slots[slot];  in evdev_mt_replay_events()
481 evdev_mt_set_last_slot(struct evdev_dev *evdev, int slot)  in evdev_mt_set_last_slot()  argument
485 	MPASS(slot >= 0 && slot <= MAXIMAL_MT_SLOT(evdev));  in evdev_mt_set_last_slot()
487 	mt->frame |= 1U << slot;  in evdev_mt_set_last_slot()
488 	mt->last_reported_slot = slot;  in evdev_mt_set_last_slot()
492 evdev_mt_get_value(struct evdev_dev *evdev, int slot, int16_t code)  in evdev_mt_get_value()  argument
496 	MPASS(slot >= 0 && slot <= MAXIMAL_MT_SLOT(evdev));  in evdev_mt_get_value()
498 	return (mt->slots[slot].val[ABS_MT_INDEX(code)]);  in evdev_mt_get_value()
502 evdev_mt_set_value(struct evdev_dev *evdev, int slot, int16_t code,  in evdev_mt_set_value()  argument
507 	MPASS(slot >= 0 && slot <= MAXIMAL_MT_SLOT(evdev));  in evdev_mt_set_value()
511 			mt->touches |= 1U << slot;  in evdev_mt_set_value()
513 			mt->touches &= ~(1U << slot);  in evdev_mt_set_value()
515 	mt->slots[slot].val[ABS_MT_INDEX(code)] = value;  in evdev_mt_set_value()
522 	int slot;  in evdev_mt_id_to_slot()  local
527 	 * Ignore tracking_id if slot assignment is performed by evdev.  in evdev_mt_id_to_slot()
533 	FOREACHBIT(mt->touches, slot)  in evdev_mt_id_to_slot()
534 		if (mt->tracking_ids[slot] == tracking_id)  in evdev_mt_id_to_slot()
535 			return (slot);  in evdev_mt_id_to_slot()
537 	 * Do not allow allocation of new slot in a place of just  in evdev_mt_id_to_slot()
544 evdev_mt_reassign_id(struct evdev_dev *evdev, int slot, int32_t id)  in evdev_mt_reassign_id()  argument
550 		mt->tracking_ids[slot] = id;  in evdev_mt_reassign_id()
554 	nid = evdev_mt_get_value(evdev, slot, ABS_MT_TRACKING_ID);  in evdev_mt_reassign_id()
556 		KASSERT(id == mt->tracking_ids[slot],  in evdev_mt_reassign_id()
557 		    ("MT-slot tracking id has changed"));  in evdev_mt_reassign_id()
561 	mt->tracking_ids[slot] = id;  in evdev_mt_reassign_id()
564 	FOREACHBIT(mt->touches, slot)  in evdev_mt_reassign_id()
565 		if (evdev_mt_get_value(evdev, slot, ABS_MT_TRACKING_ID) == nid)  in evdev_mt_reassign_id()
597 	/* Echo 0-th MT-slot as ST-slot */  in evdev_mt_support_st_compat()
633 	/* Send first active MT-slot state as single touch report */  in evdev_mt_send_st_compat()
656 	int slot;  in evdev_mt_send_autorel()  local
661 	FOREACHBIT(mt->touches & ~mt->frame, slot)  in evdev_mt_send_autorel()
662 		evdev_mt_send_slot(evdev, slot, NULL);  in evdev_mt_send_autorel()