292 	struct zschan *zc;  in zsattach()  local
308 		cs->cs_zc = zc =  in zsattach()
313 		(void)zc->zc_csr;  in zsattach()
314 		(void)zc->zc_csr;  in zsattach()
320 			ZS_WRITE(zc, 9, ZSWR9_HARD_RESET);  in zsattach()
322 			ZS_WRITE(zc, 9, 0);  in zsattach()
328 		zs_loadchannelregs(zc, zs_init_regs);  in zsattach()
593 	struct zschan *zc;  in zshard()  local
607 			zc = cs0->cs_zc;  in zshard()
610 			    (v = zsrint(cs0, zc)) != 0) {  in zshard()
615 			    (v = zsxint(cs0, zc)) != 0) {  in zshard()
620 			    (v = zssint(cs0, zc)) != 0) {  in zshard()
628 			zc = cs1->cs_zc;  in zshard()
631 			    (v = zsrint(cs1, zc)) != 0) {  in zshard()
636 			    (v = zsxint(cs1, zc)) != 0) {  in zshard()
641 			    (v = zssint(cs1, zc)) != 0) {  in zshard()
656 zsrint(struct zs_chanstate *cs, struct zschan *zc)  in zsrint()  argument
664 	c = ZS_READ(zc, 1);  in zsrint()
665 	c |= (zc->zc_data << 8);  in zsrint()
668 	zc->zc_csr = ZSWR0_RESET_ERRORS;  in zsrint()
669 	zc->zc_csr = ZSWR0_CLR_INTR;  in zsrint()
675 zsxint(struct zs_chanstate *cs, struct zschan *zc)  in zsxint()  argument
680 		zc->zc_csr = ZSWR0_RESET_TXINT;  in zsxint()
681 		zc->zc_csr = ZSWR0_CLR_INTR;  in zsxint()
685 	zc->zc_data = *cs->cs_tba++;  in zsxint()
686 	zc->zc_csr = ZSWR0_CLR_INTR;  in zsxint()
691 zssint(struct zs_chanstate *cs, struct zschan *zc)  in zssint()  argument
695 	rr0 = zc->zc_csr;  in zssint()
696 	zc->zc_csr = ZSWR0_RESET_STATUS;  in zssint()
697 	zc->zc_csr = ZSWR0_CLR_INTR;  in zssint()
709 			ZS_WRITE(zc, 3, cs->cs_creg[3]);  in zssint()
714 			ZS_WRITE(zc, 3, cs->cs_creg[3]);  in zssint()
743 	struct zschan *zc;  in zssoft()  local
759 		zc     = cs->cs_zc;  in zssoft()
803 					c = zc->zc_csr;  in zssoft()
808 					zs_loadchannelregs(zc, cs->cs_creg);  in zssoft()
814 						zc->zc_data = *cs->cs_tba++;  in zssoft()
1317 zs_loadchannelregs(struct zschan *zc, uint8_t *reg)  in zs_loadchannelregs()  argument
1321 	zc->zc_csr = ZSM_RESET_ERR;	/* reset error condition */  in zs_loadchannelregs()
1322 	i = zc->zc_data;		/* drain fifo */  in zs_loadchannelregs()
1323 	i = zc->zc_data;  in zs_loadchannelregs()
1324 	i = zc->zc_data;  in zs_loadchannelregs()
1325 	ZS_WRITE(zc,  4, reg[4]);  in zs_loadchannelregs()
1326 	ZS_WRITE(zc, 10, reg[10]);  in zs_loadchannelregs()
1327 	ZS_WRITE(zc,  3, reg[3] & ~ZSWR3_RX_ENABLE);  in zs_loadchannelregs()
1328 	ZS_WRITE(zc,  5, reg[5] & ~ZSWR5_TX_ENABLE);  in zs_loadchannelregs()
1329 	ZS_WRITE(zc,  1, reg[1]);  in zs_loadchannelregs()
1330 	ZS_WRITE(zc,  9, reg[9]);  in zs_loadchannelregs()
1331 	ZS_WRITE(zc, 11, reg[11]);  in zs_loadchannelregs()
1332 	ZS_WRITE(zc, 12, reg[12]);  in zs_loadchannelregs()
1333 	ZS_WRITE(zc, 13, reg[13]);  in zs_loadchannelregs()
1334 	ZS_WRITE(zc, 14, reg[14]);  in zs_loadchannelregs()
1335 	ZS_WRITE(zc, 15, reg[15]);  in zs_loadchannelregs()
1336 	ZS_WRITE(zc,  3, reg[3]);  in zs_loadchannelregs()
1337 	ZS_WRITE(zc,  5, reg[5]);  in zs_loadchannelregs()