Lines Matching +full:uart +full:- +full:state

1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
57 /* UART quirk flags */
61  * UART class & instance (=softc)
65 	struct uart_ops *uc_ops;	/* Low-level console operations. */
92 	bool		sc_callout:1;	/* This UART is opened for callout. */
93 	bool		sc_fastintr:1;	/* This UART uses fast interrupts. */
94 	bool		sc_hwiflow:1;	/* This UART has HW input flow ctl. */
95 	bool		sc_hwoflow:1;	/* This UART has HW output flow ctl. */
96 	bool		sc_leaving:1;	/* This UART is going away. */
97 	bool		sc_opened:1;	/* This UART is open for business. */
98 	bool		sc_polled:1;	/* This UART has no interrupts. */
99 	bool		sc_txbusy:1;	/* This UART is transmitting. */
100 	bool		sc_isquelch:1;	/* This UART has input squelched. */
101 	bool		sc_testintr:1;	/* This UART is under int. testing. */
105 	int		sc_altbrk;	/* State for alt break sequence. */
106 	uint32_t	sc_hwsig;	/* Signal state. Used by HW driver. */
164 	return ((sc->sc_rxget == sc->sc_rxput) ? 1 : 0);  in uart_rx_empty()
171 	return ((sc->sc_rxput + 1 < sc->sc_rxbufsz) ?  in uart_rx_full()
172 	    (sc->sc_rxput + 1 == sc->sc_rxget) : (sc->sc_rxget == 0));  in uart_rx_full()
180 	ptr = sc->sc_rxget;  in uart_rx_get()
181 	if (ptr == sc->sc_rxput)  in uart_rx_get()
182 		return (-1);  in uart_rx_get()
183 	xc = sc->sc_rxbuf[ptr++];  in uart_rx_get()
184 	sc->sc_rxget = (ptr < sc->sc_rxbufsz) ? ptr : 0;  in uart_rx_get()
193 	ptr = sc->sc_rxget;  in uart_rx_next()
194 	if (ptr == sc->sc_rxput)  in uart_rx_next()
195 		return (-1);  in uart_rx_next()
197 	sc->sc_rxget = (ptr < sc->sc_rxbufsz) ? ptr : 0;  in uart_rx_next()
206 	ptr = sc->sc_rxget;  in uart_rx_peek()
207 	return ((ptr == sc->sc_rxput) ? -1 : sc->sc_rxbuf[ptr]);  in uart_rx_peek()
215 	ptr = (sc->sc_rxput + 1 < sc->sc_rxbufsz) ? sc->sc_rxput + 1 : 0;  in uart_rx_put()
216 	if (ptr == sc->sc_rxget)  in uart_rx_put()
218 	sc->sc_rxbuf[sc->sc_rxput] = xc;  in uart_rx_put()
219 	sc->sc_rxput = ptr;  in uart_rx_put()