xref: /freebsd/sys/dev/evdev/evdev_mt.c (revision 127e54deb6d8899e1dc1bc6251d512e19f21b0f1)
12b3f6d66SOleksandr Tymoshenko /*-
2e6502802SVladimir Kondratyev  * Copyright (c) 2016 Vladimir Kondratyev <wulf@FreeBSD.org>
32b3f6d66SOleksandr Tymoshenko  * All rights reserved.
42b3f6d66SOleksandr Tymoshenko  *
52b3f6d66SOleksandr Tymoshenko  * Redistribution and use in source and binary forms, with or without
62b3f6d66SOleksandr Tymoshenko  * modification, are permitted provided that the following conditions
72b3f6d66SOleksandr Tymoshenko  * are met:
82b3f6d66SOleksandr Tymoshenko  * 1. Redistributions of source code must retain the above copyright
92b3f6d66SOleksandr Tymoshenko  *    notice, this list of conditions and the following disclaimer.
102b3f6d66SOleksandr Tymoshenko  * 2. Redistributions in binary form must reproduce the above copyright
112b3f6d66SOleksandr Tymoshenko  *    notice, this list of conditions and the following disclaimer in the
122b3f6d66SOleksandr Tymoshenko  *    documentation and/or other materials provided with the distribution.
132b3f6d66SOleksandr Tymoshenko  *
142b3f6d66SOleksandr Tymoshenko  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
152b3f6d66SOleksandr Tymoshenko  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
162b3f6d66SOleksandr Tymoshenko  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
172b3f6d66SOleksandr Tymoshenko  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
182b3f6d66SOleksandr Tymoshenko  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
192b3f6d66SOleksandr Tymoshenko  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
202b3f6d66SOleksandr Tymoshenko  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
212b3f6d66SOleksandr Tymoshenko  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
222b3f6d66SOleksandr Tymoshenko  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
232b3f6d66SOleksandr Tymoshenko  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
242b3f6d66SOleksandr Tymoshenko  * SUCH DAMAGE.
252b3f6d66SOleksandr Tymoshenko  *
262b3f6d66SOleksandr Tymoshenko  * $FreeBSD$
272b3f6d66SOleksandr Tymoshenko  */
282b3f6d66SOleksandr Tymoshenko 
292b3f6d66SOleksandr Tymoshenko #include <sys/param.h>
302b3f6d66SOleksandr Tymoshenko #include <sys/lock.h>
31ea2e26b1SVladimir Kondratyev #include <sys/malloc.h>
322b3f6d66SOleksandr Tymoshenko #include <sys/mutex.h>
332b3f6d66SOleksandr Tymoshenko #include <sys/systm.h>
342b3f6d66SOleksandr Tymoshenko 
352b3f6d66SOleksandr Tymoshenko #include <dev/evdev/evdev.h>
362b3f6d66SOleksandr Tymoshenko #include <dev/evdev/evdev_private.h>
37ea2e26b1SVladimir Kondratyev #include <dev/evdev/input.h>
382b3f6d66SOleksandr Tymoshenko 
392b3f6d66SOleksandr Tymoshenko #ifdef DEBUG
402b3f6d66SOleksandr Tymoshenko #define	debugf(fmt, args...)	printf("evdev: " fmt "\n", ##args)
412b3f6d66SOleksandr Tymoshenko #else
422b3f6d66SOleksandr Tymoshenko #define	debugf(fmt, args...)
432b3f6d66SOleksandr Tymoshenko #endif
442b3f6d66SOleksandr Tymoshenko 
452dc7188eSVladimir Kondratyev typedef	u_int	slotset_t;
462dc7188eSVladimir Kondratyev 
472dc7188eSVladimir Kondratyev _Static_assert(MAX_MT_SLOTS < sizeof(slotset_t) * 8, "MAX_MT_SLOTS too big");
482dc7188eSVladimir Kondratyev 
492dc7188eSVladimir Kondratyev #define FOREACHBIT(v, i) \
502dc7188eSVladimir Kondratyev 	for ((i) = ffs(v) - 1; (i) != -1; (i) = ffs((v) & (~1 << (i))) - 1)
512dc7188eSVladimir Kondratyev 
52*127e54deSVladimir Kondratyev struct {
53*127e54deSVladimir Kondratyev 	uint16_t	mt;
54*127e54deSVladimir Kondratyev 	uint16_t	st;
55*127e54deSVladimir Kondratyev 	int32_t		max;
56*127e54deSVladimir Kondratyev } static evdev_mtstmap[] = {
57*127e54deSVladimir Kondratyev 	{ ABS_MT_POSITION_X,	ABS_X,		0 },
58*127e54deSVladimir Kondratyev 	{ ABS_MT_POSITION_Y,	ABS_Y,		0 },
59*127e54deSVladimir Kondratyev 	{ ABS_MT_PRESSURE,	ABS_PRESSURE,	255 },
60*127e54deSVladimir Kondratyev 	{ ABS_MT_TOUCH_MAJOR,	ABS_TOOL_WIDTH,	15 },
612b3f6d66SOleksandr Tymoshenko };
622b3f6d66SOleksandr Tymoshenko 
632b3f6d66SOleksandr Tymoshenko struct evdev_mt_slot {
6498a7606bSVladimir Kondratyev 	int32_t		val[MT_CNT];
652b3f6d66SOleksandr Tymoshenko };
662b3f6d66SOleksandr Tymoshenko 
672b3f6d66SOleksandr Tymoshenko struct evdev_mt {
6898a7606bSVladimir Kondratyev 	int			last_reported_slot;
69*127e54deSVladimir Kondratyev 	u_int			mtst_events;
702dc7188eSVladimir Kondratyev 	/* the set of slots with active touches */
712dc7188eSVladimir Kondratyev 	slotset_t		touches;
722dc7188eSVladimir Kondratyev 	/* the set of slots with unsynchronized state */
732dc7188eSVladimir Kondratyev 	slotset_t		frame;
7498a7606bSVladimir Kondratyev 	struct evdev_mt_slot	slots[];
752b3f6d66SOleksandr Tymoshenko };
762b3f6d66SOleksandr Tymoshenko 
7798a7606bSVladimir Kondratyev static void	evdev_mt_send_st_compat(struct evdev_dev *);
7898a7606bSVladimir Kondratyev static void	evdev_mt_send_autorel(struct evdev_dev *);
7998a7606bSVladimir Kondratyev 
802dc7188eSVladimir Kondratyev static inline int
812dc7188eSVladimir Kondratyev ffc_slot(struct evdev_dev *evdev, slotset_t slots)
822dc7188eSVladimir Kondratyev {
832dc7188eSVladimir Kondratyev 	return (ffs(~slots & (2U << MAXIMAL_MT_SLOT(evdev)) - 1) - 1);
842dc7188eSVladimir Kondratyev }
852dc7188eSVladimir Kondratyev 
862b3f6d66SOleksandr Tymoshenko void
872b3f6d66SOleksandr Tymoshenko evdev_mt_init(struct evdev_dev *evdev)
882b3f6d66SOleksandr Tymoshenko {
8998a7606bSVladimir Kondratyev 	int slot, slots;
902b3f6d66SOleksandr Tymoshenko 
912b3f6d66SOleksandr Tymoshenko 	slots = MAXIMAL_MT_SLOT(evdev) + 1;
922b3f6d66SOleksandr Tymoshenko 
9398a7606bSVladimir Kondratyev 	evdev->ev_mt = malloc(offsetof(struct evdev_mt, slots) +
942b3f6d66SOleksandr Tymoshenko 	     sizeof(struct evdev_mt_slot) * slots, M_EVDEV, M_WAITOK | M_ZERO);
952b3f6d66SOleksandr Tymoshenko 
962b3f6d66SOleksandr Tymoshenko 	/* Initialize multitouch protocol type B states */
972dc7188eSVladimir Kondratyev 	for (slot = 0; slot < slots; slot++)
982dc7188eSVladimir Kondratyev 		evdev->ev_mt->slots[slot].val[ABS_MT_INDEX(ABS_MT_TRACKING_ID)]
992dc7188eSVladimir Kondratyev 		    = -1;
1002b3f6d66SOleksandr Tymoshenko 
1012b3f6d66SOleksandr Tymoshenko 	if (bit_test(evdev->ev_flags, EVDEV_FLAG_MT_STCOMPAT))
1022b3f6d66SOleksandr Tymoshenko 		evdev_support_mt_compat(evdev);
1032b3f6d66SOleksandr Tymoshenko }
1042b3f6d66SOleksandr Tymoshenko 
1052b3f6d66SOleksandr Tymoshenko void
1062b3f6d66SOleksandr Tymoshenko evdev_mt_free(struct evdev_dev *evdev)
1072b3f6d66SOleksandr Tymoshenko {
1082b3f6d66SOleksandr Tymoshenko 	free(evdev->ev_mt, M_EVDEV);
1092b3f6d66SOleksandr Tymoshenko }
1102b3f6d66SOleksandr Tymoshenko 
11198a7606bSVladimir Kondratyev void
11298a7606bSVladimir Kondratyev evdev_mt_sync_frame(struct evdev_dev *evdev)
1132b3f6d66SOleksandr Tymoshenko {
11498a7606bSVladimir Kondratyev 	if (bit_test(evdev->ev_flags, EVDEV_FLAG_MT_AUTOREL))
11598a7606bSVladimir Kondratyev 		evdev_mt_send_autorel(evdev);
11698a7606bSVladimir Kondratyev 	if (evdev->ev_report_opened &&
11798a7606bSVladimir Kondratyev 	    bit_test(evdev->ev_flags, EVDEV_FLAG_MT_STCOMPAT))
11898a7606bSVladimir Kondratyev 		evdev_mt_send_st_compat(evdev);
1192dc7188eSVladimir Kondratyev 	evdev->ev_mt->frame = 0;
12098a7606bSVladimir Kondratyev }
1212b3f6d66SOleksandr Tymoshenko 
12298a7606bSVladimir Kondratyev int
12398a7606bSVladimir Kondratyev evdev_mt_get_last_slot(struct evdev_dev *evdev)
12498a7606bSVladimir Kondratyev {
12598a7606bSVladimir Kondratyev 	return (evdev->ev_mt->last_reported_slot);
1262b3f6d66SOleksandr Tymoshenko }
1272b3f6d66SOleksandr Tymoshenko 
1282b3f6d66SOleksandr Tymoshenko void
12998a7606bSVladimir Kondratyev evdev_mt_set_last_slot(struct evdev_dev *evdev, int slot)
1302b3f6d66SOleksandr Tymoshenko {
13198a7606bSVladimir Kondratyev 	struct evdev_mt *mt = evdev->ev_mt;
1322b3f6d66SOleksandr Tymoshenko 
13398a7606bSVladimir Kondratyev 	MPASS(slot >= 0 && slot <= MAXIMAL_MT_SLOT(evdev));
1342b3f6d66SOleksandr Tymoshenko 
1352dc7188eSVladimir Kondratyev 	mt->frame |= 1U << slot;
13698a7606bSVladimir Kondratyev 	mt->last_reported_slot = slot;
1372b3f6d66SOleksandr Tymoshenko }
1382b3f6d66SOleksandr Tymoshenko 
1392b3f6d66SOleksandr Tymoshenko int32_t
14098a7606bSVladimir Kondratyev evdev_mt_get_value(struct evdev_dev *evdev, int slot, int16_t code)
14198a7606bSVladimir Kondratyev {
14298a7606bSVladimir Kondratyev 	struct evdev_mt *mt = evdev->ev_mt;
14398a7606bSVladimir Kondratyev 
14498a7606bSVladimir Kondratyev 	MPASS(slot >= 0 && slot <= MAXIMAL_MT_SLOT(evdev));
14598a7606bSVladimir Kondratyev 
14698a7606bSVladimir Kondratyev 	return (mt->slots[slot].val[ABS_MT_INDEX(code)]);
14798a7606bSVladimir Kondratyev }
14898a7606bSVladimir Kondratyev 
14998a7606bSVladimir Kondratyev void
15098a7606bSVladimir Kondratyev evdev_mt_set_value(struct evdev_dev *evdev, int slot, int16_t code,
15198a7606bSVladimir Kondratyev     int32_t value)
15298a7606bSVladimir Kondratyev {
15398a7606bSVladimir Kondratyev 	struct evdev_mt *mt = evdev->ev_mt;
15498a7606bSVladimir Kondratyev 
15598a7606bSVladimir Kondratyev 	MPASS(slot >= 0 && slot <= MAXIMAL_MT_SLOT(evdev));
15698a7606bSVladimir Kondratyev 
1572dc7188eSVladimir Kondratyev 	if (code == ABS_MT_TRACKING_ID) {
1582dc7188eSVladimir Kondratyev 		if (value != -1)
1592dc7188eSVladimir Kondratyev 			mt->touches |= 1U << slot;
1602dc7188eSVladimir Kondratyev 		else
1612dc7188eSVladimir Kondratyev 			mt->touches &= ~(1U << slot);
1622dc7188eSVladimir Kondratyev 	}
16398a7606bSVladimir Kondratyev 	mt->slots[slot].val[ABS_MT_INDEX(code)] = value;
16498a7606bSVladimir Kondratyev }
16598a7606bSVladimir Kondratyev 
16698a7606bSVladimir Kondratyev int
1672b3f6d66SOleksandr Tymoshenko evdev_get_mt_slot_by_tracking_id(struct evdev_dev *evdev, int32_t tracking_id)
1682b3f6d66SOleksandr Tymoshenko {
16998a7606bSVladimir Kondratyev 	struct evdev_mt *mt = evdev->ev_mt;
1702dc7188eSVladimir Kondratyev 	int slot;
1712b3f6d66SOleksandr Tymoshenko 
1722dc7188eSVladimir Kondratyev 	FOREACHBIT(mt->touches, slot)
1732dc7188eSVladimir Kondratyev 		if (evdev_mt_get_value(evdev, slot, ABS_MT_TRACKING_ID) ==
1742dc7188eSVladimir Kondratyev 		    tracking_id)
1752b3f6d66SOleksandr Tymoshenko 			return (slot);
1762b3f6d66SOleksandr Tymoshenko 	/*
1772dc7188eSVladimir Kondratyev 	 * Do not allow allocation of new slot in a place of just
1782dc7188eSVladimir Kondratyev 	 * released one within the same report.
1792b3f6d66SOleksandr Tymoshenko 	 */
1802dc7188eSVladimir Kondratyev 	return (ffc_slot(evdev, mt->touches | mt->frame));
1812b3f6d66SOleksandr Tymoshenko }
1822b3f6d66SOleksandr Tymoshenko 
183*127e54deSVladimir Kondratyev static inline int32_t
184*127e54deSVladimir Kondratyev evdev_mt_normalize(int32_t value, int32_t mtmin, int32_t mtmax, int32_t stmax)
185*127e54deSVladimir Kondratyev {
186*127e54deSVladimir Kondratyev 	if (stmax != 0 && mtmax != mtmin) {
187*127e54deSVladimir Kondratyev 		value = (value - mtmin) * stmax / (mtmax - mtmin);
188*127e54deSVladimir Kondratyev 		value = MAX(MIN(value, stmax), 0);
189*127e54deSVladimir Kondratyev 	}
190*127e54deSVladimir Kondratyev 	return (value);
191*127e54deSVladimir Kondratyev }
192*127e54deSVladimir Kondratyev 
1932b3f6d66SOleksandr Tymoshenko void
1942b3f6d66SOleksandr Tymoshenko evdev_support_mt_compat(struct evdev_dev *evdev)
1952b3f6d66SOleksandr Tymoshenko {
196*127e54deSVladimir Kondratyev 	struct input_absinfo *ai;
19798a7606bSVladimir Kondratyev 	int i;
1982b3f6d66SOleksandr Tymoshenko 
1992b3f6d66SOleksandr Tymoshenko 	if (evdev->ev_absinfo == NULL)
2002b3f6d66SOleksandr Tymoshenko 		return;
2012b3f6d66SOleksandr Tymoshenko 
2022b3f6d66SOleksandr Tymoshenko 	evdev_support_event(evdev, EV_KEY);
2032b3f6d66SOleksandr Tymoshenko 	evdev_support_key(evdev, BTN_TOUCH);
2042b3f6d66SOleksandr Tymoshenko 
2052b3f6d66SOleksandr Tymoshenko 	/* Touchscreens should not advertise tap tool capabilities */
2062b3f6d66SOleksandr Tymoshenko 	if (!bit_test(evdev->ev_prop_flags, INPUT_PROP_DIRECT))
2072b3f6d66SOleksandr Tymoshenko 		evdev_support_nfingers(evdev, MAXIMAL_MT_SLOT(evdev) + 1);
2082b3f6d66SOleksandr Tymoshenko 
2092b3f6d66SOleksandr Tymoshenko 	/* Echo 0-th MT-slot as ST-slot */
210*127e54deSVladimir Kondratyev 	for (i = 0; i < nitems(evdev_mtstmap); i++) {
211*127e54deSVladimir Kondratyev 		if (!bit_test(evdev->ev_abs_flags, evdev_mtstmap[i].mt) ||
212*127e54deSVladimir Kondratyev 		     bit_test(evdev->ev_abs_flags, evdev_mtstmap[i].st))
213*127e54deSVladimir Kondratyev 			continue;
214*127e54deSVladimir Kondratyev 		ai = evdev->ev_absinfo + evdev_mtstmap[i].mt;
215*127e54deSVladimir Kondratyev 		evdev->ev_mt->mtst_events |= 1U << i;
216*127e54deSVladimir Kondratyev 		if (evdev_mtstmap[i].max != 0)
217*127e54deSVladimir Kondratyev 			evdev_support_abs(evdev, evdev_mtstmap[i].st,
218314913edSVladimir Kondratyev 			    0,
219*127e54deSVladimir Kondratyev 			    evdev_mtstmap[i].max,
220*127e54deSVladimir Kondratyev 			    0,
221*127e54deSVladimir Kondratyev 			    evdev_mt_normalize(
222*127e54deSVladimir Kondratyev 			      ai->flat, 0, ai->maximum, evdev_mtstmap[i].max),
223*127e54deSVladimir Kondratyev 			    0);
224*127e54deSVladimir Kondratyev 		else
225*127e54deSVladimir Kondratyev 			evdev_support_abs(evdev, evdev_mtstmap[i].st,
226*127e54deSVladimir Kondratyev 			    ai->minimum,
227*127e54deSVladimir Kondratyev 			    ai->maximum,
228*127e54deSVladimir Kondratyev 			    0,
229*127e54deSVladimir Kondratyev 			    ai->flat,
230*127e54deSVladimir Kondratyev 			    ai->resolution);
231*127e54deSVladimir Kondratyev 	}
2322b3f6d66SOleksandr Tymoshenko }
2332b3f6d66SOleksandr Tymoshenko 
2342b3f6d66SOleksandr Tymoshenko static void
23598a7606bSVladimir Kondratyev evdev_mt_send_st_compat(struct evdev_dev *evdev)
2362b3f6d66SOleksandr Tymoshenko {
2372dc7188eSVladimir Kondratyev 	struct evdev_mt *mt = evdev->ev_mt;
238fbe17f90SVladimir Kondratyev 	int nfingers, i, st_slot;
2392b3f6d66SOleksandr Tymoshenko 
2402b3f6d66SOleksandr Tymoshenko 	EVDEV_LOCK_ASSERT(evdev);
2412b3f6d66SOleksandr Tymoshenko 
2422dc7188eSVladimir Kondratyev 	nfingers = bitcount(mt->touches);
2432b3f6d66SOleksandr Tymoshenko 	evdev_send_event(evdev, EV_KEY, BTN_TOUCH, nfingers > 0);
2442b3f6d66SOleksandr Tymoshenko 
245fbe17f90SVladimir Kondratyev 	/* Send first active MT-slot state as single touch report */
246fbe17f90SVladimir Kondratyev 	st_slot = ffs(mt->touches) - 1;
247fbe17f90SVladimir Kondratyev 	if (st_slot != -1)
248*127e54deSVladimir Kondratyev 		FOREACHBIT(mt->mtst_events, i)
249*127e54deSVladimir Kondratyev 			evdev_send_event(evdev, EV_ABS, evdev_mtstmap[i].st,
250*127e54deSVladimir Kondratyev 			    evdev_mt_normalize(evdev_mt_get_value(evdev,
251*127e54deSVladimir Kondratyev 			      st_slot, evdev_mtstmap[i].mt),
252*127e54deSVladimir Kondratyev 			      evdev->ev_absinfo[evdev_mtstmap[i].mt].minimum,
253*127e54deSVladimir Kondratyev 			      evdev->ev_absinfo[evdev_mtstmap[i].mt].maximum,
254*127e54deSVladimir Kondratyev 			      evdev_mtstmap[i].max));
2552b3f6d66SOleksandr Tymoshenko 
2562b3f6d66SOleksandr Tymoshenko 	/* Touchscreens should not report tool taps */
2572b3f6d66SOleksandr Tymoshenko 	if (!bit_test(evdev->ev_prop_flags, INPUT_PROP_DIRECT))
2582b3f6d66SOleksandr Tymoshenko 		evdev_send_nfingers(evdev, nfingers);
2592b3f6d66SOleksandr Tymoshenko 
2602b3f6d66SOleksandr Tymoshenko 	if (nfingers == 0)
2612b3f6d66SOleksandr Tymoshenko 		evdev_send_event(evdev, EV_ABS, ABS_PRESSURE, 0);
2622b3f6d66SOleksandr Tymoshenko }
2632b3f6d66SOleksandr Tymoshenko 
2642b3f6d66SOleksandr Tymoshenko void
2652b3f6d66SOleksandr Tymoshenko evdev_push_mt_compat(struct evdev_dev *evdev)
2662b3f6d66SOleksandr Tymoshenko {
2672b3f6d66SOleksandr Tymoshenko 
2684c0a4665SVladimir Kondratyev 	EVDEV_ENTER(evdev);
26998a7606bSVladimir Kondratyev 	evdev_mt_send_st_compat(evdev);
2704c0a4665SVladimir Kondratyev 	EVDEV_EXIT(evdev);
2712b3f6d66SOleksandr Tymoshenko }
272c736a757SOleksandr Tymoshenko 
27398a7606bSVladimir Kondratyev static void
27498a7606bSVladimir Kondratyev evdev_mt_send_autorel(struct evdev_dev *evdev)
275c736a757SOleksandr Tymoshenko {
27698a7606bSVladimir Kondratyev 	struct evdev_mt *mt = evdev->ev_mt;
27798a7606bSVladimir Kondratyev 	int slot;
278c736a757SOleksandr Tymoshenko 
279c736a757SOleksandr Tymoshenko 	EVDEV_LOCK_ASSERT(evdev);
280c736a757SOleksandr Tymoshenko 
2812dc7188eSVladimir Kondratyev 	FOREACHBIT(mt->touches & ~mt->frame, slot) {
282c736a757SOleksandr Tymoshenko 		evdev_send_event(evdev, EV_ABS, ABS_MT_SLOT, slot);
2832dc7188eSVladimir Kondratyev 		evdev_send_event(evdev, EV_ABS, ABS_MT_TRACKING_ID, -1);
284c736a757SOleksandr Tymoshenko 	}
285c736a757SOleksandr Tymoshenko }
28698a7606bSVladimir Kondratyev 
28798a7606bSVladimir Kondratyev void
28898a7606bSVladimir Kondratyev evdev_mt_push_autorel(struct evdev_dev *evdev)
28998a7606bSVladimir Kondratyev {
29098a7606bSVladimir Kondratyev 	EVDEV_ENTER(evdev);
29198a7606bSVladimir Kondratyev 	evdev_mt_send_autorel(evdev);
29298a7606bSVladimir Kondratyev 	EVDEV_EXIT(evdev);
29398a7606bSVladimir Kondratyev }
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