95 uart_pps_print_mode(struct uart_softc *sc)  in uart_pps_print_mode()  argument
98 	device_printf(sc->sc_dev, "PPS capture mode: ");  in uart_pps_print_mode()
99 	switch(sc->sc_pps_mode & UART_PPS_SIGNAL_MASK) {  in uart_pps_print_mode()
113 	if (sc->sc_pps_mode & UART_PPS_INVERT_PULSE)  in uart_pps_print_mode()
115 	if (sc->sc_pps_mode & UART_PPS_NARROW_PULSE)  in uart_pps_print_mode()
123 	struct uart_softc *sc;  in uart_pps_mode_sysctl()  local
126 	sc = arg1;  in uart_pps_mode_sysctl()
127 	tmp = sc->sc_pps_mode;  in uart_pps_mode_sysctl()
133 	sc->sc_pps_mode = tmp;  in uart_pps_mode_sysctl()
138 uart_pps_process(struct uart_softc *sc, int ser_sig)  in uart_pps_process()  argument
144 	switch(sc->sc_pps_mode & UART_PPS_SIGNAL_MASK) {  in uart_pps_process()
169 	pps_capture(&sc->sc_pps);  in uart_pps_process()
170 	if (sc->sc_pps_mode & UART_PPS_NARROW_PULSE) {  in uart_pps_process()
172 		if (now > sc->sc_pps_captime + 500 * SBT_1MS) {  in uart_pps_process()
173 			sc->sc_pps_captime = now;  in uart_pps_process()
174 			pps_event(&sc->sc_pps, PPS_CAPTUREASSERT);  in uart_pps_process()
175 			pps_event(&sc->sc_pps, PPS_CAPTURECLEAR);  in uart_pps_process()
179 		if (sc->sc_pps_mode & UART_PPS_INVERT_PULSE)  in uart_pps_process()
181 		pps_event(&sc->sc_pps, is_assert ? PPS_CAPTUREASSERT :  in uart_pps_process()
187 uart_pps_init(struct uart_softc *sc)  in uart_pps_init()  argument
192 	ctx = device_get_sysctl_ctx(sc->sc_dev);  in uart_pps_init()
193 	tree = device_get_sysctl_tree(sc->sc_dev);  in uart_pps_init()
203 	sc->sc_pps_mode = UART_PPS_CTS;  in uart_pps_init()
205 	sc->sc_pps_mode = UART_PPS_DCD;  in uart_pps_init()
207 	TUNABLE_INT_FETCH("hw.uart.pps_mode", &sc->sc_pps_mode);  in uart_pps_init()
209 	    CTLTYPE_INT | CTLFLAG_RWTUN | CTLFLAG_MPSAFE, sc, 0,  in uart_pps_init()
213 	if (!uart_pps_mode_valid(sc->sc_pps_mode)) {  in uart_pps_init()
214 		device_printf(sc->sc_dev,   in uart_pps_init()
216 		    sc->sc_pps_mode);  in uart_pps_init()
217 		sc->sc_pps_mode = UART_PPS_DISABLED;  in uart_pps_init()
219 		uart_pps_print_mode(sc);  in uart_pps_init()
222 	sc->sc_pps.ppscap = PPS_CAPTUREBOTH;  in uart_pps_init()
223 	sc->sc_pps.driver_mtx = uart_tty_getlock(sc);  in uart_pps_init()
224 	sc->sc_pps.driver_abi = PPS_ABI_VERSION;  in uart_pps_init()
225 	pps_init_abi(&sc->sc_pps);  in uart_pps_init()
269 uart_sched_softih(struct uart_softc *sc, uint32_t ipend)  in uart_sched_softih()  argument
274 		old = sc->sc_ttypend;  in uart_sched_softih()
276 	} while (!atomic_cmpset_32(&sc->sc_ttypend, old, new));  in uart_sched_softih()
279 		swi_sched(sc->sc_softih, 0);  in uart_sched_softih()
294 	struct uart_softc *sc = arg;  in uart_intr_break()  local
297 	if (sc->sc_sysdev != NULL && sc->sc_sysdev->type == UART_DEV_CONSOLE) {  in uart_intr_break()
302 	if (sc->sc_opened)  in uart_intr_break()
303 		uart_sched_softih(sc, SER_INT_BREAK);  in uart_intr_break()
325 	struct uart_softc *sc = arg;  in uart_intr_overrun()  local
327 	if (sc->sc_opened) {  in uart_intr_overrun()
328 		UART_RECEIVE(sc);  in uart_intr_overrun()
329 		if (uart_rx_put(sc, UART_STAT_OVERRUN))  in uart_intr_overrun()
330 			sc->sc_rxbuf[sc->sc_rxput] = UART_STAT_OVERRUN;  in uart_intr_overrun()
331 		uart_sched_softih(sc, SER_INT_RXREADY);  in uart_intr_overrun()
333 	sc->sc_rxoverruns++;  in uart_intr_overrun()
334 	UART_FLUSH(sc, UART_FLUSH_RECEIVER);  in uart_intr_overrun()
344 	struct uart_softc *sc = arg;  in uart_intr_rxready()  local
348 	rxp = sc->sc_rxput;  in uart_intr_rxready()
350 	UART_RECEIVE(sc);  in uart_intr_rxready()
352 	if (sc->sc_sysdev != NULL && sc->sc_sysdev->type == UART_DEV_CONSOLE) {  in uart_intr_rxready()
353 		while (rxp != sc->sc_rxput) {  in uart_intr_rxready()
354 			kdb_alt_break(sc->sc_rxbuf[rxp++], &sc->sc_altbrk);  in uart_intr_rxready()
355 			if (rxp == sc->sc_rxbufsz)  in uart_intr_rxready()
360 	if (sc->sc_opened)  in uart_intr_rxready()
361 		uart_sched_softih(sc, SER_INT_RXREADY);  in uart_intr_rxready()
363 		sc->sc_rxput = sc->sc_rxget;	/* Ignore received data. */  in uart_intr_rxready()
377 	struct uart_softc *sc = arg;  in uart_intr_sigchg()  local
380 	sig = UART_GETSIG(sc);  in uart_intr_sigchg()
386 	if (sc->sc_pps.ppsparam.mode & PPS_CAPTUREBOTH) {  in uart_intr_sigchg()
387 		uart_pps_process(sc, sig);  in uart_intr_sigchg()
398 		old = sc->sc_ttypend;  in uart_intr_sigchg()
401 	} while (!atomic_cmpset_32(&sc->sc_ttypend, old, new));  in uart_intr_sigchg()
403 	if (sc->sc_opened)  in uart_intr_sigchg()
404 		uart_sched_softih(sc, SER_INT_SIGCHG);  in uart_intr_sigchg()
414 	struct uart_softc *sc = arg;  in uart_intr_txidle()  local
416 	if (sc->sc_txbusy) {  in uart_intr_txidle()
417 		sc->sc_txbusy = 0;  in uart_intr_txidle()
418 		uart_sched_softih(sc, SER_INT_TXIDLE);  in uart_intr_txidle()
426 	struct uart_softc *sc = arg;  in uart_intr()  local
429 	if (sc->sc_leaving)  in uart_intr()
433 	testintr = sc->sc_testintr;  in uart_intr()
434 	while ((!testintr || cnt < 20) && (ipend = UART_IPEND(sc)) != 0) {  in uart_intr()
437 			uart_intr_overrun(sc);  in uart_intr()
439 			uart_intr_break(sc);  in uart_intr()
441 			uart_intr_rxready(sc);  in uart_intr()
443 			uart_intr_sigchg(sc);  in uart_intr()
445 			uart_intr_txidle(sc);  in uart_intr()
448 	if (sc->sc_polled) {  in uart_intr()
449 		callout_reset(&sc->sc_timer, hz / uart_poll_freq,  in uart_intr()
450 		    (callout_func_t *)uart_intr, sc);  in uart_intr()
480 	struct uart_softc *sc;  in uart_bus_ipend()  local
482 	sc = device_get_softc(dev);  in uart_bus_ipend()
483 	return (UART_IPEND(sc));  in uart_bus_ipend()
489 	struct uart_softc *sc;  in uart_bus_sysdev()  local
491 	sc = device_get_softc(dev);  in uart_bus_sysdev()
492 	return ((sc->sc_sysdev != NULL) ? 1 : 0);  in uart_bus_sysdev()
498 	struct uart_softc *sc;  in uart_bus_probe()  local
502 	sc = device_get_softc(dev);  in uart_bus_probe()
508 	if (sc->sc_class == NULL)  in uart_bus_probe()
518 	kobj_init((kobj_t)sc, (kobj_class_t)sc->sc_class);  in uart_bus_probe()
519 	sc->sc_dev = dev;  in uart_bus_probe()
521 		device_set_desc(dev, uart_getname(sc->sc_class));  in uart_bus_probe()
530 	sc->sc_rrid = rid;  in uart_bus_probe()
531 	sc->sc_rtype = SYS_RES_IOPORT;  in uart_bus_probe()
532 	sc->sc_rres = bus_alloc_resource_any(dev, sc->sc_rtype, &sc->sc_rrid,  in uart_bus_probe()
534 	if (sc->sc_rres == NULL) {  in uart_bus_probe()
535 		sc->sc_rrid = rid;  in uart_bus_probe()
536 		sc->sc_rtype = SYS_RES_MEMORY;  in uart_bus_probe()
537 		sc->sc_rres = bus_alloc_resource_any(dev, sc->sc_rtype,  in uart_bus_probe()
538 		    &sc->sc_rrid, RF_ACTIVE);  in uart_bus_probe()
539 		if (sc->sc_rres == NULL)  in uart_bus_probe()
550 	sc->sc_bas.bsh = rman_get_bushandle(sc->sc_rres);  in uart_bus_probe()
551 	sc->sc_bas.bst = rman_get_bustag(sc->sc_rres);  in uart_bus_probe()
552 	sc->sc_bas.chan = chan;  in uart_bus_probe()
553 	sc->sc_bas.regshft = regshft;  in uart_bus_probe()
554 	sc->sc_bas.regiowidth = regiowidth;  in uart_bus_probe()
555 	sc->sc_bas.rclk = (rclk == 0) ? sc->sc_class->uc_rclk : rclk;  in uart_bus_probe()
556 	sc->sc_bas.busy_detect = !!(quirks & UART_F_BUSY_DETECT);  in uart_bus_probe()
560 		    uart_cpu_eqres(&sc->sc_bas, &sysdev->bas)) {  in uart_bus_probe()
562 			sc->sc_sysdev = sysdev;  in uart_bus_probe()
563 			sysdev->bas.rclk = sc->sc_bas.rclk;  in uart_bus_probe()
567 	error = UART_PROBE(sc);  in uart_bus_probe()
568 	bus_release_resource(dev, sc->sc_rtype, sc->sc_rrid, sc->sc_rres);  in uart_bus_probe()
575 	struct uart_softc *sc, *sc0;  in uart_bus_attach()  local
587 		sc = malloc(sc0->sc_class->size, M_UART, M_WAITOK|M_ZERO);  in uart_bus_attach()
588 		bcopy(sc0, sc, sizeof(*sc));  in uart_bus_attach()
589 		device_set_softc(dev, sc);  in uart_bus_attach()
591 		sc = sc0;  in uart_bus_attach()
597 	if (sc->sc_sysdev != NULL)  in uart_bus_attach()
598 		sc->sc_sysdev->sc = sc;  in uart_bus_attach()
605 	sc->sc_leaving = 1;  in uart_bus_attach()
607 	mtx_init(&sc->sc_hwmtx_s, "uart_hwmtx", NULL, MTX_SPIN);  in uart_bus_attach()
608 	if (sc->sc_hwmtx == NULL)  in uart_bus_attach()
609 		sc->sc_hwmtx = &sc->sc_hwmtx_s;  in uart_bus_attach()
615 	sc->sc_rres = bus_alloc_resource_any(dev, sc->sc_rtype, &sc->sc_rrid,  in uart_bus_attach()
617 	if (sc->sc_rres == NULL) {  in uart_bus_attach()
618 		mtx_destroy(&sc->sc_hwmtx_s);  in uart_bus_attach()
621 	sc->sc_bas.bsh = rman_get_bushandle(sc->sc_rres);  in uart_bus_attach()
622 	sc->sc_bas.bst = rman_get_bustag(sc->sc_rres);  in uart_bus_attach()
630 	sc->sc_rxbufsz = MAX(384, sc->sc_rxfifosz * 3);  in uart_bus_attach()
631 	sc->sc_rxbuf = malloc(sc->sc_rxbufsz * sizeof(*sc->sc_rxbuf),  in uart_bus_attach()
633 	sc->sc_txbuf = malloc(sc->sc_txfifosz * sizeof(*sc->sc_txbuf),  in uart_bus_attach()
636 	error = UART_ATTACH(sc);  in uart_bus_attach()
640 	if (sc->sc_hwiflow || sc->sc_hwoflow) {  in uart_bus_attach()
643 		if (sc->sc_hwiflow) {  in uart_bus_attach()
647 		if (sc->sc_hwoflow) {  in uart_bus_attach()
654 	if (sc->sc_sysdev != NULL) {  in uart_bus_attach()
655 		if (sc->sc_sysdev->baudrate == 0) {  in uart_bus_attach()
656 			if (UART_IOCTL(sc, UART_IOCTL_BAUD,  in uart_bus_attach()
657 			    (intptr_t)&sc->sc_sysdev->baudrate) != 0)  in uart_bus_attach()
658 				sc->sc_sysdev->baudrate = -1;  in uart_bus_attach()
660 		switch (sc->sc_sysdev->type) {  in uart_bus_attach()
674 		printf(" (%d,%c,%d,%d)\n", sc->sc_sysdev->baudrate,  in uart_bus_attach()
675 		    "noems"[sc->sc_sysdev->parity], sc->sc_sysdev->databits,  in uart_bus_attach()
676 		    sc->sc_sysdev->stopbits);  in uart_bus_attach()
679 	sc->sc_leaving = 0;  in uart_bus_attach()
680 	sc->sc_testintr = 1;  in uart_bus_attach()
681 	filt = uart_intr(sc);  in uart_bus_attach()
682 	sc->sc_testintr = 0;  in uart_bus_attach()
690 		sc->sc_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,  in uart_bus_attach()
691 		    &sc->sc_irid, RF_ACTIVE | RF_SHAREABLE);  in uart_bus_attach()
693 	if (sc->sc_ires != NULL) {  in uart_bus_attach()
694 		error = bus_setup_intr(dev, sc->sc_ires, INTR_TYPE_TTY,  in uart_bus_attach()
695 		    uart_intr, NULL, sc, &sc->sc_icookie);  in uart_bus_attach()
696 		sc->sc_fastintr = (error == 0) ? 1 : 0;  in uart_bus_attach()
698 		if (!sc->sc_fastintr)  in uart_bus_attach()
699 			error = bus_setup_intr(dev, sc->sc_ires,  in uart_bus_attach()
701 			    (driver_intr_t *)uart_intr, sc, &sc->sc_icookie);  in uart_bus_attach()
705 			bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irid,  in uart_bus_attach()
706 			    sc->sc_ires);  in uart_bus_attach()
707 			sc->sc_ires = NULL;  in uart_bus_attach()
710 	if (sc->sc_ires == NULL) {  in uart_bus_attach()
712 		sc->sc_polled = 1;  in uart_bus_attach()
713 		callout_init(&sc->sc_timer, 1);  in uart_bus_attach()
714 		callout_reset(&sc->sc_timer, hz / uart_poll_freq,  in uart_bus_attach()
715 		    (callout_func_t *)uart_intr, sc);  in uart_bus_attach()
718 	if (bootverbose && (sc->sc_fastintr || sc->sc_polled)) {  in uart_bus_attach()
721 		if (sc->sc_fastintr) {  in uart_bus_attach()
725 		if (sc->sc_polled) {  in uart_bus_attach()
732 	if (sc->sc_sysdev != NULL && sc->sc_sysdev->attach != NULL) {  in uart_bus_attach()
733 		if ((error = sc->sc_sysdev->attach(sc)) != 0)  in uart_bus_attach()
736 		if ((error = uart_tty_attach(sc)) != 0)  in uart_bus_attach()
738 		uart_pps_init(sc);  in uart_bus_attach()
741 	if (sc->sc_sysdev != NULL)  in uart_bus_attach()
742 		sc->sc_sysdev->hwmtx = sc->sc_hwmtx;  in uart_bus_attach()
744 	if (sc->sc_rxfifosz > 1)  in uart_bus_attach()
747 		    "rx_overruns", CTLFLAG_RD, &sc->sc_rxoverruns, 0,  in uart_bus_attach()
753 	free(sc->sc_txbuf, M_UART);  in uart_bus_attach()
754 	free(sc->sc_rxbuf, M_UART);  in uart_bus_attach()
756 	if (sc->sc_ires != NULL) {  in uart_bus_attach()
757 		bus_teardown_intr(dev, sc->sc_ires, sc->sc_icookie);  in uart_bus_attach()
758 		bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irid,  in uart_bus_attach()
759 		    sc->sc_ires);  in uart_bus_attach()
761 	bus_release_resource(dev, sc->sc_rtype, sc->sc_rrid, sc->sc_rres);  in uart_bus_attach()
763 	mtx_destroy(&sc->sc_hwmtx_s);  in uart_bus_attach()
771 	struct uart_softc *sc;  in uart_bus_detach()  local
773 	sc = device_get_softc(dev);  in uart_bus_detach()
775 	sc->sc_leaving = 1;  in uart_bus_detach()
777 	if (sc->sc_sysdev != NULL)  in uart_bus_detach()
778 		sc->sc_sysdev->hwmtx = NULL;  in uart_bus_detach()
780 	UART_DETACH(sc);  in uart_bus_detach()
782 	if (sc->sc_sysdev != NULL && sc->sc_sysdev->detach != NULL)  in uart_bus_detach()
783 		(*sc->sc_sysdev->detach)(sc);  in uart_bus_detach()
785 		uart_tty_detach(sc);  in uart_bus_detach()
787 	free(sc->sc_txbuf, M_UART);  in uart_bus_detach()
788 	free(sc->sc_rxbuf, M_UART);  in uart_bus_detach()
790 	if (sc->sc_ires != NULL) {  in uart_bus_detach()
791 		bus_teardown_intr(dev, sc->sc_ires, sc->sc_icookie);  in uart_bus_detach()
792 		bus_release_resource(dev, SYS_RES_IRQ, sc->sc_irid,  in uart_bus_detach()
793 		    sc->sc_ires);  in uart_bus_detach()
795 	bus_release_resource(dev, sc->sc_rtype, sc->sc_rrid, sc->sc_rres);  in uart_bus_detach()
797 	mtx_destroy(&sc->sc_hwmtx_s);  in uart_bus_detach()
799 	if (sc->sc_class->size > device_get_driver(dev)->size) {  in uart_bus_detach()
801 		free(sc, M_UART);  in uart_bus_detach()
810 	struct uart_softc *sc;  in uart_bus_resume()  local
812 	sc = device_get_softc(dev);  in uart_bus_resume()
813 	return (UART_ATTACH(sc));  in uart_bus_resume()
820 	if (di->sc)  in uart_grab()
821 		UART_GRAB(di->sc);  in uart_grab()
828 	if (di->sc)  in uart_ungrab()
829 		UART_UNGRAB(di->sc);  in uart_ungrab()