129 #define	__uart_getreg(bas, reg)		\  argument
130 	bus_space_read_4((bas)->bst, (bas)->bsh, uart_regofs(bas, reg))
131 #define	__uart_setreg(bas, reg, value)	\  argument
132 	bus_space_write_4((bas)->bst, (bas)->bsh, uart_regofs(bas, reg), value)
137 static int uart_mu_probe(struct uart_bas *bas);
138 static void uart_mu_init(struct uart_bas *bas, int, int, int, int);
139 static void uart_mu_term(struct uart_bas *bas);
140 static void uart_mu_putc(struct uart_bas *bas, int);
141 static int uart_mu_rxready(struct uart_bas *bas);
142 static int uart_mu_getc(struct uart_bas *bas, struct mtx *);
154 uart_mu_probe(struct uart_bas *bas)  in uart_mu_probe()  argument
167 uart_mu_param(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in uart_mu_param()  argument
178 	__uart_setreg(bas, AUX_MU_CNTL_REG, line);  in uart_mu_param()
192 	__uart_setreg(bas, AUX_MU_LCR_REG, line);  in uart_mu_param()
200 		__uart_setreg(bas, AUX_MU_BAUD_REG, ((uint32_t)(baud & 0xFFFF)));  in uart_mu_param()
204 	__uart_setreg(bas, AUX_MU_CNTL_REG, CNTL_RXENAB|CNTL_TXENAB);  in uart_mu_param()
208 uart_mu_init(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in uart_mu_init()  argument
213 	__uart_setreg(bas, AUX_MU_IER_REG, 0);  in uart_mu_init()
214 	uart_mu_param(bas, baudrate, databits, stopbits, parity);  in uart_mu_init()
218 uart_mu_term(struct uart_bas *bas)  in uart_mu_term()  argument
223 uart_mu_putc(struct uart_bas *bas, int c)  in uart_mu_putc()  argument
227 	while ((__uart_getreg(bas, AUX_MU_LSR_REG) & LSR_TXEMPTY) == 0)  in uart_mu_putc()
229 	__uart_setreg(bas, AUX_MU_IO_REG, c & 0xff);  in uart_mu_putc()
233 uart_mu_rxready(struct uart_bas *bas)  in uart_mu_rxready()  argument
236 	return ((__uart_getreg(bas, AUX_MU_LSR_REG) & LSR_RXREADY) != 0);  in uart_mu_rxready()
240 uart_mu_getc(struct uart_bas *bas, struct mtx *hwmtx)  in uart_mu_getc()  argument
244 	while(!uart_mu_rxready(bas))  in uart_mu_getc()
246 	c = __uart_getreg(bas, AUX_MU_IO_REG) & 0xff;  in uart_mu_getc()
254 	struct uart_softc	bas;  member
312 	struct uart_bas *bas;  in uart_mu_bus_attach()  local
315 	bas = &sc->sc_bas;  in uart_mu_bus_attach()
317 	__uart_setreg(bas, AUX_MU_IIR_REG, IIR_CLEAR);  in uart_mu_bus_attach()
320 	__uart_setreg(bas, AUX_MU_IER_REG, psc->aux_ier);  in uart_mu_bus_attach()
350 	struct uart_bas *bas;  in uart_mu_bus_ioctl()  local
353 	bas = &sc->sc_bas;  in uart_mu_bus_ioctl()
375 	struct uart_bas *bas;  in uart_mu_bus_ipend()  local
380 	bas = &sc->sc_bas;  in uart_mu_bus_ipend()
383 	ints = __uart_getreg(bas, AUX_MU_IIR_REG);  in uart_mu_bus_ipend()
393 		if (__uart_getreg(bas, AUX_MU_LSR_REG) & LSR_TXIDLE) {  in uart_mu_bus_ipend()
398 			__uart_setreg(bas, AUX_MU_IER_REG,  in uart_mu_bus_ipend()
436 	struct uart_bas *bas;  in uart_mu_bus_receive()  local
440 	bas = &sc->sc_bas;  in uart_mu_bus_receive()
444 	lsr = __uart_getreg(bas, AUX_MU_LSR_REG);  in uart_mu_bus_receive()
446 		xc = __uart_getreg(bas, AUX_MU_IO_REG);  in uart_mu_bus_receive()
453 		lsr = __uart_getreg(bas, AUX_MU_LSR_REG);  in uart_mu_bus_receive()
471 	struct uart_bas *bas;  in uart_mu_bus_transmit()  local
475 	bas = &sc->sc_bas;  in uart_mu_bus_transmit()
479 		__uart_setreg(bas, AUX_MU_IO_REG, sc->sc_txbuf[i] & 0xff);  in uart_mu_bus_transmit()
480 		uart_barrier(bas);  in uart_mu_bus_transmit()
485 	__uart_setreg(bas, AUX_MU_IER_REG, psc->aux_ier);  in uart_mu_bus_transmit()
496 	struct uart_bas *bas;  in uart_mu_bus_grab()  local
499 	bas = &sc->sc_bas;  in uart_mu_bus_grab()
503 	__uart_setreg(bas, AUX_MU_IER_REG, psc->aux_ier &~IER_MASK_ALL);  in uart_mu_bus_grab()
511 	struct uart_bas *bas;  in uart_mu_bus_ungrab()  local
514 	bas = &sc->sc_bas;  in uart_mu_bus_ungrab()
518 	__uart_setreg(bas, AUX_MU_CNTL_REG, CNTL_RXENAB|CNTL_TXENAB);  in uart_mu_bus_ungrab()
519 	__uart_setreg(bas, AUX_MU_IER_REG, psc->aux_ier);  in uart_mu_bus_ungrab()