52 #define	ar933x_getreg(bas, reg)           \  argument
53 	bus_space_read_4((bas)->bst, (bas)->bsh, reg)
54 #define	ar933x_setreg(bas, reg, value)    \  argument
55 	bus_space_write_4((bas)->bst, (bas)->bsh, reg, value)
60 ar933x_drain(struct uart_bas *bas, int what)  in ar933x_drain()  argument
69 			if ((ar933x_getreg(bas, AR933X_UART_CS_REG)  in ar933x_drain()
86 			if ((ar933x_getreg(bas, AR933X_UART_DATA_REG) &  in ar933x_drain()
92 			(void) ar933x_getreg(bas, AR933X_UART_DATA_REG);  in ar933x_drain()
95 			ar933x_setreg(bas, AR933X_UART_DATA_REG,  in ar933x_drain()
98 			uart_barrier(bas);  in ar933x_drain()
132 ar933x_uart_get_scale_step(struct uart_bas *bas, unsigned int baud,  in ar933x_uart_get_scale_step()  argument
139 	clk = bas->rclk;  in ar933x_uart_get_scale_step()
165 ar933x_param(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in ar933x_param()  argument
179 		ar933x_uart_get_scale_step(bas, baudrate, &clock_scale,  in ar933x_param()
186 		ar933x_setreg(bas, AR933X_UART_CLOCK_REG,  in ar933x_param()
192 	uart_barrier(bas);  in ar933x_param()
200 static int ar933x_probe(struct uart_bas *bas);
201 static void ar933x_init(struct uart_bas *bas, int, int, int, int);
202 static void ar933x_term(struct uart_bas *bas);
203 static void ar933x_putc(struct uart_bas *bas, int);
204 static int ar933x_rxready(struct uart_bas *bas);
205 static int ar933x_getc(struct uart_bas *bas, struct mtx *);
217 ar933x_probe(struct uart_bas *bas)  in ar933x_probe()  argument
225 ar933x_init(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in ar933x_init()  argument
231 	ar933x_param(bas, baudrate, databits, stopbits, parity);  in ar933x_init()
236 	ar933x_setreg(bas, AR933X_UART_INT_EN_REG, 0x00000000);  in ar933x_init()
239 	reg = ar933x_getreg(bas, AR933X_UART_CS_REG);  in ar933x_init()
241 	ar933x_setreg(bas, AR933X_UART_CS_REG, reg);  in ar933x_init()
243 	uart_barrier(bas);  in ar933x_init()
252 ar933x_term(struct uart_bas *bas)  in ar933x_term()  argument
259 ar933x_putc(struct uart_bas *bas, int c)  in ar933x_putc()  argument
266 	while ( ((ar933x_getreg(bas, AR933X_UART_DATA_REG) &  in ar933x_putc()
271 	ar933x_setreg(bas, AR933X_UART_DATA_REG,  in ar933x_putc()
276 ar933x_rxready(struct uart_bas *bas)  in ar933x_rxready()  argument
280 	return (!!(ar933x_getreg(bas, AR933X_UART_DATA_REG)  in ar933x_rxready()
285 ar933x_getc(struct uart_bas *bas, struct mtx *hwmtx)  in ar933x_getc()  argument
292 	while ((ar933x_getreg(bas, AR933X_UART_DATA_REG) &  in ar933x_getc()
300 	c = ar933x_getreg(bas, AR933X_UART_DATA_REG) & 0xff;  in ar933x_getc()
303 	ar933x_setreg(bas, AR933X_UART_DATA_REG, AR933X_UART_DATA_RX_CSR);  in ar933x_getc()
371 	struct uart_bas *bas = &sc->sc_bas;  in ar933x_bus_attach()  local
386 	ar933x_setreg(bas, AR933X_UART_INT_EN_REG, u->u_ier);  in ar933x_bus_attach()
389 	reg = ar933x_getreg(bas, AR933X_UART_CS_REG);  in ar933x_bus_attach()
391 	ar933x_setreg(bas, AR933X_UART_CS_REG, reg);  in ar933x_bus_attach()
399 	struct uart_bas *bas = &sc->sc_bas;  in ar933x_bus_detach()  local
403 	ar933x_setreg(bas, AR933X_UART_INT_EN_REG, 0x00000000);  in ar933x_bus_detach()
406 	reg = ar933x_getreg(bas, AR933X_UART_CS_REG);  in ar933x_bus_detach()
408 	ar933x_setreg(bas, AR933X_UART_CS_REG, reg);  in ar933x_bus_detach()
409 	uart_barrier(bas);  in ar933x_bus_detach()
417 	struct uart_bas *bas;  in ar933x_bus_flush()  local
419 	bas = &sc->sc_bas;  in ar933x_bus_flush()
421 	ar933x_drain(bas, what);  in ar933x_bus_flush()
483 	struct uart_bas *bas = &sc->sc_bas;  in ar933x_bus_ipend()  local
492 	isr = ar933x_getreg(bas, AR933X_UART_INT_REG);  in ar933x_bus_ipend()
493 	ar933x_setreg(bas, AR933X_UART_INT_REG, isr);  in ar933x_bus_ipend()
494 	uart_barrier(bas);  in ar933x_bus_ipend()
530 		ar933x_setreg(bas, AR933X_UART_INT_EN_REG, u->u_ier);  in ar933x_bus_ipend()
531 		uart_barrier(bas);  in ar933x_bus_ipend()
555 	struct uart_bas *bas;  in ar933x_bus_param()  local
558 	bas = &sc->sc_bas;  in ar933x_bus_param()
560 	error = ar933x_param(bas, baudrate, databits, stopbits, parity);  in ar933x_bus_param()
568 	struct uart_bas *bas;  in ar933x_bus_probe()  local
571 	bas = &sc->sc_bas;  in ar933x_bus_probe()
573 	error = ar933x_probe(bas);  in ar933x_bus_probe()
578 	ar933x_drain(bas, UART_FLUSH_RECEIVER|UART_FLUSH_TRANSMITTER);  in ar933x_bus_probe()
590 	struct uart_bas *bas = &sc->sc_bas;  in ar933x_bus_receive()  local
596 	while (ar933x_rxready(bas)) {  in ar933x_bus_receive()
603 		xc = ar933x_getreg(bas, AR933X_UART_DATA_REG) & 0xff;  in ar933x_bus_receive()
606 		ar933x_setreg(bas, AR933X_UART_DATA_REG,  in ar933x_bus_receive()
608 		uart_barrier(bas);  in ar933x_bus_receive()
629 	struct uart_bas *bas;  in ar933x_bus_setsig()
632 	bas = &sc->sc_bas;  in ar933x_bus_setsig()
651 	uart_setreg(bas, REG_MCR, ns8250->mcr);  in ar933x_bus_setsig()
652 	uart_barrier(bas);  in ar933x_bus_setsig()
674 	struct uart_bas *bas = &sc->sc_bas;  in ar933x_bus_transmit()  local
681 	while (ar933x_getreg(bas, AR933X_UART_CS_REG) &  in ar933x_bus_transmit()
690 		ar933x_setreg(bas, AR933X_UART_DATA_REG,  in ar933x_bus_transmit()
692 		uart_barrier(bas);  in ar933x_bus_transmit()
700 	ar933x_setreg(bas, AR933X_UART_INT_EN_REG, u->u_ier);  in ar933x_bus_transmit()
701 	uart_barrier(bas);  in ar933x_bus_transmit()
717 	struct uart_bas *bas = &sc->sc_bas;  in ar933x_bus_grab()  local
722 	reg = ar933x_getreg(bas, AR933X_UART_CS_REG);  in ar933x_bus_grab()
724 	ar933x_setreg(bas, AR933X_UART_CS_REG, reg);  in ar933x_bus_grab()
731 	struct uart_bas *bas = &sc->sc_bas;  in ar933x_bus_ungrab()  local
736 	reg = ar933x_getreg(bas, AR933X_UART_CS_REG);  in ar933x_bus_ungrab()
738 	ar933x_setreg(bas, AR933X_UART_CS_REG, reg);  in ar933x_bus_ungrab()