40 #define	UART_DRAIN_RECEIVER	0x0001
41 #define	UART_DRAIN_TRANSMITTER	0x0002
46 #define	UART_STAT_BREAK		0x0100
47 #define	UART_STAT_FRAMERR	0x0200
48 #define	UART_STAT_OVERRUN	0x0400
49 #define	UART_STAT_PARERR	0x0800
58 #define	UART_F_BUSY_DETECT		0x1
164 	return ((sc->sc_rxget == sc->sc_rxput) ? 1 : 0);  in uart_rx_empty()
172 	    (sc->sc_rxput + 1 == sc->sc_rxget) : (sc->sc_rxget == 0));  in uart_rx_full()
178 	int ptr, xc;  in uart_rx_get()  local
183 	xc = sc->sc_rxbuf[ptr++];  in uart_rx_get()
184 	sc->sc_rxget = (ptr < sc->sc_rxbufsz) ? ptr : 0;  in uart_rx_get()
185 	return (xc);  in uart_rx_get()
197 	sc->sc_rxget = (ptr < sc->sc_rxbufsz) ? ptr : 0;  in uart_rx_next()
198 	return (0);  in uart_rx_next()
211 uart_rx_put(struct uart_softc *sc, int xc)  in uart_rx_put()  argument
215 	ptr = (sc->sc_rxput + 1 < sc->sc_rxbufsz) ? sc->sc_rxput + 1 : 0;  in uart_rx_put()
218 	sc->sc_rxbuf[sc->sc_rxput] = xc;  in uart_rx_put()
220 	return (0);  in uart_rx_put()