150 #define	__uart_getreg(bas, reg)		\  argument
151 	bus_space_read_4((bas)->bst, (bas)->bsh, uart_regofs(bas, reg))
152 #define	__uart_setreg(bas, reg, value)	\  argument
153 	bus_space_write_4((bas)->bst, (bas)->bsh, uart_regofs(bas, reg), value)
158 static int uart_pl011_probe(struct uart_bas *bas);
159 static void uart_pl011_init(struct uart_bas *bas, int, int, int, int);
160 static void uart_pl011_term(struct uart_bas *bas);
161 static void uart_pl011_putc(struct uart_bas *bas, int);
162 static int uart_pl011_rxready(struct uart_bas *bas);
163 static int uart_pl011_getc(struct uart_bas *bas, struct mtx *);
175 uart_pl011_probe(struct uart_bas *bas)  in uart_pl011_probe()  argument
182 uart_pl011_param(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in uart_pl011_param()  argument
193 	__uart_setreg(bas, UART_CR, ctrl);  in uart_pl011_param()
223 	if (bas->rclk != 0 && baudrate != 0) {  in uart_pl011_param()
224 		baud = bas->rclk * 4 / baudrate;  in uart_pl011_param()
225 		__uart_setreg(bas, UART_IBRD, ((uint32_t)(baud >> 6)) & IBRD_BDIVINT);  in uart_pl011_param()
226 		__uart_setreg(bas, UART_FBRD, (uint32_t)(baud & 0x3F) & FBRD_BDIVFRAC);  in uart_pl011_param()
230 	__uart_setreg(bas, UART_LCR_H, (__uart_getreg(bas, UART_LCR_H) &  in uart_pl011_param()
234 	__uart_setreg(bas, UART_IFLS, FIFO_IFLS_BITS);  in uart_pl011_param()
236 	__uart_setreg(bas, UART_CR, ctrl);  in uart_pl011_param()
240 uart_pl011_init(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in uart_pl011_init()  argument
244 	__uart_setreg(bas, UART_IMSC, __uart_getreg(bas, UART_IMSC) &  in uart_pl011_init()
247 	uart_pl011_param(bas, baudrate, databits, stopbits, parity);  in uart_pl011_init()
251 uart_pl011_term(struct uart_bas *bas)  in uart_pl011_term()  argument
256 uart_pl011_putc(struct uart_bas *bas, int c)  in uart_pl011_putc()  argument
260 	while (__uart_getreg(bas, UART_FR) & FR_TXFF)  in uart_pl011_putc()
262 	__uart_setreg(bas, UART_DR, c & 0xff);  in uart_pl011_putc()
266 uart_pl011_rxready(struct uart_bas *bas)  in uart_pl011_rxready()  argument
269 	return !(__uart_getreg(bas, UART_FR) & FR_RXFE);  in uart_pl011_rxready()
273 uart_pl011_getc(struct uart_bas *bas, struct mtx *hwmtx)  in uart_pl011_getc()  argument
277 	while (!uart_pl011_rxready(bas))  in uart_pl011_getc()
279 	c = __uart_getreg(bas, UART_DR) & 0xff;  in uart_pl011_getc()
355 	struct uart_bas *bas;  in uart_pl011_bus_attach()  local
358 	bas = &sc->sc_bas;  in uart_pl011_bus_attach()
362 	__uart_setreg(bas, UART_IMSC, psc->imsc);  in uart_pl011_bus_attach()
365 	__uart_setreg(bas, UART_ICR, IMSC_MASK_ALL);  in uart_pl011_bus_attach()
417 	struct uart_bas *bas;  in uart_pl011_bus_ipend()  local
422 	bas = &sc->sc_bas;  in uart_pl011_bus_ipend()
425 	ints = __uart_getreg(bas, UART_MIS);  in uart_pl011_bus_ipend()
439 		__uart_setreg(bas, UART_IMSC, psc->imsc & ~UART_TXEMPTY);  in uart_pl011_bus_ipend()
520 	struct uart_bas *bas;  in uart_pl011_bus_receive()  local
524 	bas = &sc->sc_bas;  in uart_pl011_bus_receive()
528 		ints = __uart_getreg(bas, UART_FR);  in uart_pl011_bus_receive()
536 		xc = __uart_getreg(bas, UART_DR);  in uart_pl011_bus_receive()
563 	struct uart_bas *bas;  in uart_pl011_bus_transmit()  local
567 	bas = &sc->sc_bas;  in uart_pl011_bus_transmit()
571 		__uart_setreg(bas, UART_DR, sc->sc_txbuf[i]);  in uart_pl011_bus_transmit()
572 		uart_barrier(bas);  in uart_pl011_bus_transmit()
577 	__uart_setreg(bas, UART_IMSC, psc->imsc);  in uart_pl011_bus_transmit()
588 	struct uart_bas *bas;  in uart_pl011_bus_grab()  local
591 	bas = &sc->sc_bas;  in uart_pl011_bus_grab()
595 	__uart_setreg(bas, UART_IMSC, psc->imsc & ~IMSC_MASK_ALL);  in uart_pl011_bus_grab()
603 	struct uart_bas *bas;  in uart_pl011_bus_ungrab()  local
606 	bas = &sc->sc_bas;  in uart_pl011_bus_ungrab()
610 	__uart_setreg(bas, UART_IMSC, psc->imsc);  in uart_pl011_bus_ungrab()