57 uart_setmreg(struct uart_bas *bas, int reg, int val)  in uart_setmreg()  argument
60 	uart_setreg(bas, REG_CTRL, reg);  in uart_setmreg()
61 	uart_barrier(bas);  in uart_setmreg()
62 	uart_setreg(bas, REG_CTRL, val);  in uart_setmreg()
66 uart_getmreg(struct uart_bas *bas, int reg)  in uart_getmreg()  argument
69 	uart_setreg(bas, REG_CTRL, reg);  in uart_getmreg()
70 	uart_barrier(bas);  in uart_getmreg()
71 	return (uart_getreg(bas, REG_CTRL));  in uart_getmreg()
98 z8530_param(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in z8530_param()  argument
130 		divisor = z8530_divisor(bas->rclk, baudrate);  in z8530_param()
136 	uart_setmreg(bas, WR_MCB2, UART_PCLK);  in z8530_param()
137 	uart_barrier(bas);  in z8530_param()
140 		uart_setmreg(bas, WR_TCL, divisor & 0xff);  in z8530_param()
141 		uart_barrier(bas);  in z8530_param()
142 		uart_setmreg(bas, WR_TCH, (divisor >> 8) & 0xff);  in z8530_param()
143 		uart_barrier(bas);  in z8530_param()
146 	uart_setmreg(bas, WR_RPC, rpc);  in z8530_param()
147 	uart_barrier(bas);  in z8530_param()
148 	uart_setmreg(bas, WR_MPM, mpm);  in z8530_param()
149 	uart_barrier(bas);  in z8530_param()
150 	uart_setmreg(bas, WR_TPC, tpc);  in z8530_param()
151 	uart_barrier(bas);  in z8530_param()
152 	uart_setmreg(bas, WR_MCB2, UART_PCLK | MCB2_BRGE);  in z8530_param()
153 	uart_barrier(bas);  in z8530_param()
159 z8530_setup(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in z8530_setup()  argument
164 	if (bas->rclk == 0)  in z8530_setup()
165 		bas->rclk = DEFAULT_RCLK;  in z8530_setup()
168 	switch (bas->chan) {  in z8530_setup()
170 		uart_setmreg(bas, WR_MIC, MIC_NV | MIC_CRA);  in z8530_setup()
173 		uart_setmreg(bas, WR_MIC, MIC_NV | MIC_CRB);  in z8530_setup()
176 	uart_barrier(bas);  in z8530_setup()
178 	uart_setmreg(bas, WR_CMC, CMC_RC_BRG | CMC_TC_BRG);  in z8530_setup()
179 	uart_setmreg(bas, WR_MCB2, UART_PCLK);  in z8530_setup()
180 	uart_barrier(bas);  in z8530_setup()
182 	uart_setmreg(bas, WR_MCB1, MCB1_NRZ);  in z8530_setup()
183 	uart_barrier(bas);  in z8530_setup()
186 	z8530_param(bas, baudrate, databits, stopbits, parity, &tpc);  in z8530_setup()
193 static int z8530_probe(struct uart_bas *bas);
194 static void z8530_init(struct uart_bas *bas, int, int, int, int);
195 static void z8530_term(struct uart_bas *bas);
196 static void z8530_putc(struct uart_bas *bas, int);
197 static int z8530_rxready(struct uart_bas *bas);
198 static int z8530_getc(struct uart_bas *bas, struct mtx *);
210 z8530_probe(struct uart_bas *bas)  in z8530_probe()  argument
217 z8530_init(struct uart_bas *bas, int baudrate, int databits, int stopbits,  in z8530_init()  argument
221 	z8530_setup(bas, baudrate, databits, stopbits, parity);  in z8530_init()
225 z8530_term(struct uart_bas *bas)  in z8530_term()  argument
230 z8530_putc(struct uart_bas *bas, int c)  in z8530_putc()  argument
233 	while (!(uart_getreg(bas, REG_CTRL) & BES_TXE))  in z8530_putc()
235 	uart_setreg(bas, REG_DATA, c);  in z8530_putc()
236 	uart_barrier(bas);  in z8530_putc()
240 z8530_rxready(struct uart_bas *bas)  in z8530_rxready()  argument
243 	return ((uart_getreg(bas, REG_CTRL) & BES_RXA) != 0 ? 1 : 0);  in z8530_rxready()
247 z8530_getc(struct uart_bas *bas, struct mtx *hwmtx)  in z8530_getc()  argument
253 	while (!(uart_getreg(bas, REG_CTRL) & BES_RXA)) {  in z8530_getc()
259 	c = uart_getreg(bas, REG_DATA);  in z8530_getc()
327 	struct uart_bas *bas;  in z8530_bus_attach()  local
330 	bas = &sc->sc_bas;  in z8530_bus_attach()
334 		z8530_param(bas, di->baudrate, di->databits, di->stopbits,  in z8530_bus_attach()
337 		z8530->tpc = z8530_setup(bas, 9600, 8, 1, UART_PARITY_NONE);  in z8530_bus_attach()
344 	uart_setmreg(bas, WR_IC, IC_BRK | IC_CTS | IC_DCD);  in z8530_bus_attach()
345 	uart_barrier(bas);  in z8530_bus_attach()
346 	uart_setmreg(bas, WR_IDT, IDT_XIE | IDT_TIE | IDT_RIA);  in z8530_bus_attach()
347 	uart_barrier(bas);  in z8530_bus_attach()
348 	uart_setmreg(bas, WR_IV, 0);  in z8530_bus_attach()
349 	uart_barrier(bas);  in z8530_bus_attach()
350 	uart_setmreg(bas, WR_TPC, z8530->tpc);  in z8530_bus_attach()
351 	uart_barrier(bas);  in z8530_bus_attach()
352 	uart_setmreg(bas, WR_MIC, MIC_NV | MIC_MIE);  in z8530_bus_attach()
353 	uart_barrier(bas);  in z8530_bus_attach()
395 	struct uart_bas *bas;  in z8530_bus_ioctl()  local
398 	bas = &sc->sc_bas;  in z8530_bus_ioctl()
407 		uart_setmreg(bas, WR_TPC, z8530->tpc);  in z8530_bus_ioctl()
408 		uart_barrier(bas);  in z8530_bus_ioctl()
411 		divisor = uart_getmreg(bas, RR_TCH);  in z8530_bus_ioctl()
412 		divisor = (divisor << 8) | uart_getmreg(bas, RR_TCL);  in z8530_bus_ioctl()
413 		baudrate = bas->rclk / 2 / (divisor + 2);  in z8530_bus_ioctl()
428 	struct uart_bas *bas;  in z8530_bus_ipend()  local
433 	bas = &sc->sc_bas;  in z8530_bus_ipend()
437 	switch (bas->chan) {  in z8530_bus_ipend()
439 		ip = uart_getmreg(bas, RR_IP);  in z8530_bus_ipend()
442 		iv = uart_getmreg(bas, RR_IV) & 0x0E;  in z8530_bus_ipend()
459 		uart_setreg(bas, REG_CTRL, CR_RSTTXI);  in z8530_bus_ipend()
460 		uart_barrier(bas);  in z8530_bus_ipend()
468 		uart_setreg(bas, REG_CTRL, CR_RSTXSI);  in z8530_bus_ipend()
469 		uart_barrier(bas);  in z8530_bus_ipend()
470 		bes = uart_getmreg(bas, RR_BES);  in z8530_bus_ipend()
479 		src = uart_getmreg(bas, RR_SRC);  in z8530_bus_ipend()
481 			uart_setreg(bas, REG_CTRL, CR_RSTERR);  in z8530_bus_ipend()
482 			uart_barrier(bas);  in z8530_bus_ipend()
488 		uart_setreg(bas, REG_CTRL, CR_RSTIUS);  in z8530_bus_ipend()
489 		uart_barrier(bas);  in z8530_bus_ipend()
535 	struct uart_bas *bas;  in z8530_bus_receive()  local
539 	bas = &sc->sc_bas;  in z8530_bus_receive()
541 	bes = uart_getmreg(bas, RR_BES);  in z8530_bus_receive()
547 		xc = uart_getreg(bas, REG_DATA);  in z8530_bus_receive()
548 		uart_barrier(bas);  in z8530_bus_receive()
549 		src = uart_getmreg(bas, RR_SRC);  in z8530_bus_receive()
558 			uart_setreg(bas, REG_CTRL, CR_RSTERR);  in z8530_bus_receive()
559 			uart_barrier(bas);  in z8530_bus_receive()
561 		bes = uart_getmreg(bas, RR_BES);  in z8530_bus_receive()
565 		(void)uart_getreg(bas, REG_DATA);  in z8530_bus_receive()
566 		uart_barrier(bas);  in z8530_bus_receive()
567 		src = uart_getmreg(bas, RR_SRC);  in z8530_bus_receive()
569 			uart_setreg(bas, REG_CTRL, CR_RSTERR);  in z8530_bus_receive()
570 			uart_barrier(bas);  in z8530_bus_receive()
572 		bes = uart_getmreg(bas, RR_BES);  in z8530_bus_receive()
582 	struct uart_bas *bas;  in z8530_bus_setsig()  local
585 	bas = &sc->sc_bas;  in z8530_bus_setsig()
608 	uart_setmreg(bas, WR_TPC, z8530->tpc);  in z8530_bus_setsig()
609 	uart_barrier(bas);  in z8530_bus_setsig()
618 	struct uart_bas *bas;  in z8530_bus_transmit()  local
620 	bas = &sc->sc_bas;  in z8530_bus_transmit()
622 	while (!(uart_getmreg(bas, RR_BES) & BES_TXE))  in z8530_bus_transmit()
624 	uart_setreg(bas, REG_DATA, sc->sc_txbuf[0]);  in z8530_bus_transmit()
625 	uart_barrier(bas);  in z8530_bus_transmit()
635 	struct uart_bas *bas;  in z8530_bus_grab()  local
637 	bas = &sc->sc_bas;  in z8530_bus_grab()
639 	uart_setmreg(bas, WR_IDT, IDT_XIE | IDT_TIE);  in z8530_bus_grab()
640 	uart_barrier(bas);  in z8530_bus_grab()
647 	struct uart_bas *bas;  in z8530_bus_ungrab()  local
649 	bas = &sc->sc_bas;  in z8530_bus_ungrab()
651 	uart_setmreg(bas, WR_IDT, IDT_XIE | IDT_TIE | IDT_RIA);  in z8530_bus_ungrab()
652 	uart_barrier(bas);  in z8530_bus_ungrab()