60 static int lowrisc_uart_probe(struct uart_bas *bas);
61 static void lowrisc_uart_init(struct uart_bas *bas, int, int, int, int);
62 static void lowrisc_uart_term(struct uart_bas *bas);
63 static void lowrisc_uart_putc(struct uart_bas *bas, int);
64 static int lowrisc_uart_rxready(struct uart_bas *bas);
65 static int lowrisc_uart_getc(struct uart_bas *bas, struct mtx *);
77 lowrisc_uart_probe(struct uart_bas *bas)  in lowrisc_uart_probe()  argument
84 lowrisc_uart_getbaud(struct uart_bas *bas)  in lowrisc_uart_getbaud()  argument
91 lowrisc_uart_init(struct uart_bas *bas, int baudrate, int databits,   in lowrisc_uart_init()  argument
99 lowrisc_uart_term(struct uart_bas *bas)  in lowrisc_uart_term()  argument
106 lowrisc_uart_putc(struct uart_bas *bas, int c)  in lowrisc_uart_putc()  argument
109 	while (GETREG(bas, UART_DR) & DR_TX_FIFO_FULL)  in lowrisc_uart_putc()
112 	SETREG(bas, UART_DR, c);  in lowrisc_uart_putc()
116 lowrisc_uart_rxready(struct uart_bas *bas)  in lowrisc_uart_rxready()  argument
119 	if (GETREG(bas, UART_DR) & DR_RX_FIFO_EMPTY)  in lowrisc_uart_rxready()
126 lowrisc_uart_getc(struct uart_bas *bas, struct mtx *hwmtx)  in lowrisc_uart_getc()  argument
131 	SETREG(bas, UART_INT_STATUS, INT_STATUS_ACK);  in lowrisc_uart_getc()
132 	reg = GETREG(bas, UART_DR);  in lowrisc_uart_getc()
195 	struct uart_bas *bas;  in lowrisc_uart_bus_attach()  local
198 	bas = &sc->sc_bas;  in lowrisc_uart_bus_attach()
201 		lowrisc_uart_init(bas, di->baudrate, di->databits, di->stopbits,  in lowrisc_uart_bus_attach()
204 		lowrisc_uart_init(bas, DEFAULT_BAUD_RATE, 8, 1, 0);  in lowrisc_uart_bus_attach()
243 	struct uart_bas *bas;  in lowrisc_uart_bus_ioctl()  local
246 	bas = &sc->sc_bas;  in lowrisc_uart_bus_ioctl()
254 		*(u_int*)data = lowrisc_uart_getbaud(bas);  in lowrisc_uart_bus_ioctl()
268 	struct uart_bas *bas;  in lowrisc_uart_bus_ipend()  local
271 	bas = &sc->sc_bas;  in lowrisc_uart_bus_ipend()
276 	if ((GETREG(bas, UART_DR) & DR_RX_FIFO_EMPTY) == 0)  in lowrisc_uart_bus_ipend()
278 	SETREG(bas, UART_INT_STATUS, INT_STATUS_ACK);  in lowrisc_uart_bus_ipend()
322 	struct uart_bas *bas;  in lowrisc_uart_bus_receive()  local
325 	bas = &sc->sc_bas;  in lowrisc_uart_bus_receive()
335 		reg = GETREG(bas, UART_DR);  in lowrisc_uart_bus_receive()
336 		SETREG(bas, UART_INT_STATUS, INT_STATUS_ACK);  in lowrisc_uart_bus_receive()
355 	struct uart_bas *bas;  in lowrisc_uart_bus_transmit()  local
358 	bas = &sc->sc_bas;  in lowrisc_uart_bus_transmit()
362 		while (GETREG(bas, UART_DR) & DR_TX_FIFO_FULL)  in lowrisc_uart_bus_transmit()
364 		SETREG(bas, UART_DR, sc->sc_txbuf[i] & 0xff);  in lowrisc_uart_bus_transmit()
374 	struct uart_bas *bas;  in lowrisc_uart_bus_grab()  local
376 	bas = &sc->sc_bas;  in lowrisc_uart_bus_grab()
386 	struct uart_bas *bas;  in lowrisc_uart_bus_ungrab()  local
388 	bas = &sc->sc_bas;  in lowrisc_uart_bus_ungrab()