201 	struct zs_chanstate *cs;  in zsms_attach()  local
206 	cs = zsc->zsc_cs[channel];  in zsms_attach()
207 	cs->cs_private = sc;  in zsms_attach()
208 	cs->cs_ops = &zsops_ms;  in zsms_attach()
209 	sc->sc_cs = cs;  in zsms_attach()
213 	zs_write_reg(cs, 9, channel == 0 ?  ZSWR9_A_RESET : ZSWR9_B_RESET);  in zsms_attach()
215 	CLR(cs->cs_preg[1], ZSWR1_RIE | ZSWR1_SIE | ZSWR1_TIE);  in zsms_attach()
218 	CLR(cs->cs_preg[4], ZSWR4_SBMASK | ZSWR4_PARMASK);  in zsms_attach()
219 	SET(cs->cs_preg[4], ZSWR4_TWOSB);  in zsms_attach()
220 	(void)zs_set_speed(cs, INIT_SPEED);  in zsms_attach()
221 	zs_loadchannelregs(cs);  in zsms_attach()
237 	struct zs_chanstate *cs = sc->sc_cs;  in zsms_disable()  local
242 	CLR(cs->cs_preg[1], ZSWR1_RIE | ZSWR1_SIE);  in zsms_disable()
243 	zs_loadchannelregs(cs);  in zsms_disable()
251 	struct zs_chanstate *cs = sc->sc_cs;  in zsms_enable()  local
256 	SET(cs->cs_preg[1], ZSWR1_RIE | ZSWR1_SIE);  in zsms_enable()
257 	zs_loadchannelregs(cs);  in zsms_enable()
268 zsms_rxint(struct zs_chanstate *cs)  in zsms_rxint()  argument
270 	struct zsms_softc *sc = cs->cs_private;  in zsms_rxint()
281 		rr1 = zs_read_reg(cs, 1);  in zsms_rxint()
282 		c = zs_read_data(cs);  in zsms_rxint()
290 			zs_write_csr(cs, ZSWR0_RESET_ERRORS);  in zsms_rxint()
307 		rr0 = zs_read_csr(cs);  in zsms_rxint()
315 	cs->cs_softreq = 1;  in zsms_rxint()
319 zsms_txint(struct zs_chanstate *cs)  in zsms_txint()  argument
326 	zs_write_csr(cs, ZSWR0_RESET_TXINT);  in zsms_txint()
329 	CLR(cs->cs_preg[1], ZSWR1_TIE);  in zsms_txint()
330 	zs_loadchannelregs(cs);  in zsms_txint()
334 zsms_stint(struct zs_chanstate *cs, int force)  in zsms_stint()  argument
336 	struct zsms_softc *sc = cs->cs_private;  in zsms_stint()
339 	rr0 = zs_read_csr(cs);  in zsms_stint()
340 	zs_write_csr(cs, ZSWR0_RESET_STATUS);  in zsms_stint()
354 			cs->cs_softreq = 1;  in zsms_stint()
363 		delta = rr0 ^ cs->cs_rr0;  in zsms_stint()
365 		delta = cs->cs_rr0_mask;  in zsms_stint()
366 	cs->cs_rr0 = rr0;  in zsms_stint()
368 	if (ISSET(delta, cs->cs_rr0_mask)) {  in zsms_stint()
369 		SET(cs->cs_rr0_delta, delta);  in zsms_stint()
372 		cs->cs_softreq = 1;  in zsms_stint()
377 zsms_softint(struct zs_chanstate *cs)  in zsms_softint()  argument
384 	sc = cs->cs_private;  in zsms_softint()
429 		cs->cs_rr0_delta = 0;  in zsms_softint()
442 	struct zs_chanstate *cs = sc->sc_cs;  in zsms_speed_change()  local
452 		rr0 = zs_read_csr(cs);  in zsms_speed_change()
455 		(void)zs_read_data(cs);  in zsms_speed_change()
458 	(void)zs_set_speed(cs, sc->sc_base.sc_bps);  in zsms_speed_change()
459 	zs_loadchannelregs(cs);  in zsms_speed_change()
460 	zsms_stint(cs, 1);  in zsms_speed_change()