127 #define	__uart_getreg(bas, reg)		\  argument
128 	bus_space_read_4((bas)->bst, (bas)->bsh, uart_regofs(bas, reg))
129 #define	__uart_setreg(bas, reg, value)	\  argument
130 	bus_space_write_4((bas)->bst, (bas)->bsh, uart_regofs(bas, reg), value)
135 static int uart_mu_probe(struct uart_bas *bas);
136 static void uart_mu_init(struct uart_bas *bas, int, int, int, int);
137 static void uart_mu_term(struct uart_bas *bas);
138 static void uart_mu_putc(struct uart_bas *bas, int);
139 static int uart_mu_rxready(struct uart_bas *bas);
140 static int uart_mu_getc(struct uart_bas *bas, struct mtx *);
152 uart_mu_probe(struct uart_bas *bas)  in uart_mu_probe()  argument
165 uart_mu_param(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in uart_mu_param()  argument
176 	__uart_setreg(bas, AUX_MU_CNTL_REG, line);  in uart_mu_param()
190 	__uart_setreg(bas, AUX_MU_LCR_REG, line);  in uart_mu_param()
198 		__uart_setreg(bas, AUX_MU_BAUD_REG, ((uint32_t)(baud & 0xFFFF)));  in uart_mu_param()
202 	__uart_setreg(bas, AUX_MU_CNTL_REG, CNTL_RXENAB|CNTL_TXENAB);  in uart_mu_param()
206 uart_mu_init(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in uart_mu_init()  argument
211 	__uart_setreg(bas, AUX_MU_IER_REG, 0);  in uart_mu_init()
212 	uart_mu_param(bas, baudrate, databits, stopbits, parity);  in uart_mu_init()
216 uart_mu_term(struct uart_bas *bas)  in uart_mu_term()  argument
221 uart_mu_putc(struct uart_bas *bas, int c)  in uart_mu_putc()  argument
225 	while ((__uart_getreg(bas, AUX_MU_LSR_REG) & LSR_TXEMPTY) == 0)  in uart_mu_putc()
227 	__uart_setreg(bas, AUX_MU_IO_REG, c & 0xff);  in uart_mu_putc()
231 uart_mu_rxready(struct uart_bas *bas)  in uart_mu_rxready()  argument
234 	return ((__uart_getreg(bas, AUX_MU_LSR_REG) & LSR_RXREADY) != 0);  in uart_mu_rxready()
238 uart_mu_getc(struct uart_bas *bas, struct mtx *hwmtx)  in uart_mu_getc()  argument
242 	while(!uart_mu_rxready(bas))  in uart_mu_getc()
244 	c = __uart_getreg(bas, AUX_MU_IO_REG) & 0xff;  in uart_mu_getc()
252 	struct uart_softc	bas;  member
309 	struct uart_bas *bas;  in uart_mu_bus_attach()  local
312 	bas = &sc->sc_bas;  in uart_mu_bus_attach()
314 	__uart_setreg(bas, AUX_MU_IIR_REG, IIR_CLEAR);  in uart_mu_bus_attach()
317 	__uart_setreg(bas, AUX_MU_IER_REG, psc->aux_ier);  in uart_mu_bus_attach()
370 	struct uart_bas *bas;  in uart_mu_bus_ipend()  local
375 	bas = &sc->sc_bas;  in uart_mu_bus_ipend()
378 	ints = __uart_getreg(bas, AUX_MU_IIR_REG);  in uart_mu_bus_ipend()
388 		if (__uart_getreg(bas, AUX_MU_LSR_REG) & LSR_TXIDLE) {  in uart_mu_bus_ipend()
393 			__uart_setreg(bas, AUX_MU_IER_REG,  in uart_mu_bus_ipend()
430 	struct uart_bas *bas;  in uart_mu_bus_receive()  local
434 	bas = &sc->sc_bas;  in uart_mu_bus_receive()
437 	lsr = __uart_getreg(bas, AUX_MU_LSR_REG);  in uart_mu_bus_receive()
439 		xc = __uart_getreg(bas, AUX_MU_IO_REG);  in uart_mu_bus_receive()
446 		lsr = __uart_getreg(bas, AUX_MU_LSR_REG);  in uart_mu_bus_receive()
464 	struct uart_bas *bas;  in uart_mu_bus_transmit()  local
468 	bas = &sc->sc_bas;  in uart_mu_bus_transmit()
472 		__uart_setreg(bas, AUX_MU_IO_REG, sc->sc_txbuf[i] & 0xff);  in uart_mu_bus_transmit()
473 		uart_barrier(bas);  in uart_mu_bus_transmit()
478 	__uart_setreg(bas, AUX_MU_IER_REG, psc->aux_ier);  in uart_mu_bus_transmit()
489 	struct uart_bas *bas;  in uart_mu_bus_grab()  local
492 	bas = &sc->sc_bas;  in uart_mu_bus_grab()
496 	__uart_setreg(bas, AUX_MU_IER_REG, psc->aux_ier &~IER_MASK_ALL);  in uart_mu_bus_grab()
504 	struct uart_bas *bas;  in uart_mu_bus_ungrab()  local
507 	bas = &sc->sc_bas;  in uart_mu_bus_ungrab()
511 	__uart_setreg(bas, AUX_MU_CNTL_REG, CNTL_RXENAB|CNTL_TXENAB);  in uart_mu_bus_ungrab()
512 	__uart_setreg(bas, AUX_MU_IER_REG, psc->aux_ier);  in uart_mu_bus_ungrab()