226 	struct zs_chanstate *cs;  in zsc_attach()  local
286 		cs  = &xcs->xzs_cs;  in zsc_attach()
287 		zsc->zsc_cs[channel] = cs;  in zsc_attach()
289 		zs_lock_init(cs);  in zsc_attach()
290 		cs->cs_channel = channel;  in zsc_attach()
291 		cs->cs_private = NULL;  in zsc_attach()
292 		cs->cs_ops = &zsops_null;  in zsc_attach()
296 		cs->cs_reg_csr  = &zc->zc_csr;  in zsc_attach()
297 		cs->cs_reg_data = &zc->zc_data;  in zsc_attach()
299 		memcpy(cs->cs_creg, zs_init_reg, 16);  in zsc_attach()
300 		memcpy(cs->cs_preg, zs_init_reg, 16);  in zsc_attach()
303 		cs->cs_brg_clk = PCLK / 16;	/* RTxC is 230400*16, so use 230400 */  in zsc_attach()
305 			cs->cs_defspeed = zs_get_speed(cs);  in zsc_attach()
307 			cs->cs_defspeed = zs_defspeed[channel];  in zsc_attach()
308 		cs->cs_defcflag = zs_def_cflag;  in zsc_attach()
311 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zsc_attach()
312 		cs->cs_rr0_cts = 0;  in zsc_attach()
313 		cs->cs_wr5_dtr = ZSWR5_DTR;  in zsc_attach()
314 		cs->cs_wr5_rts = 0;  in zsc_attach()
317 		cs->cs_slave_type = ZS_SLAVE_NONE;  in zsc_attach()
369 			cs->cs_defspeed = 1;  in zsc_attach()
370 			cs->cs_creg[ZSRR_BAUDLO] = cs->cs_preg[ZSRR_BAUDLO] = 0xff;  in zsc_attach()
371 			cs->cs_creg[ZSRR_BAUDHI] = cs->cs_preg[ZSRR_BAUDHI] = 0xff;  in zsc_attach()
372 			zs_write_reg(cs, ZSRR_BAUDLO, 0xff);  in zsc_attach()
373 			zs_write_reg(cs, ZSRR_BAUDHI, 0xff);  in zsc_attach()
400 			zs_write_reg(cs, 9, reset);  in zsc_attach()
426 	cs = zsc->zsc_cs[0];  in zsc_attach()
429 	zs_write_reg(cs, 2, zs_init_reg[2]);  in zsc_attach()
431 	zs_write_reg(cs, 9, zs_init_reg[9]);  in zsc_attach()
450 zsmdioctl(struct zs_chanstate *cs, u_long cmd, void *data)  in zsmdioctl()  argument
460 zsmd_setclock(struct zs_chanstate *cs)  in zsmd_setclock()  argument
463 	struct xzs_chanstate *xcs = (void *)cs;  in zsmd_setclock()
465 	if (cs->cs_channel != 0)  in zsmd_setclock()
496 	struct zs_chanstate *cs;  in zs_txdma_int()  local
502 	cs = zsc->zsc_cs[ch];  in zs_txdma_int()
503 	zstty_txdma_int(cs);  in zs_txdma_int()
505 	if (cs->cs_softreq)  in zs_txdma_int()
512 zs_dma_setup(struct zs_chanstate *cs, void *pa, int len)  in zs_dma_setup()  argument
516 	int ch = cs->cs_channel;  in zs_dma_setup()
538 zs_get_speed(struct zs_chanstate *cs)  in zs_get_speed()  argument
542 	tconst = zs_read_reg(cs, 12);  in zs_get_speed()
543 	tconst |= zs_read_reg(cs, 13) << 8;  in zs_get_speed()
544 	return TCONST_TO_BPS(cs->cs_brg_clk, tconst);  in zs_get_speed()
565 zs_set_speed(struct zs_chanstate *cs, int bps)  in zs_set_speed()  argument
567 	struct xzs_chanstate *xcs = (void *) cs;  in zs_set_speed()
655 		cs->cs_brg_clk = xcs->cs_clocks[i].clk >> 4;  in zs_set_speed()
657 		cs->cs_brg_clk = PCLK / 16;  in zs_set_speed()
667 		cs->cs_preg[4] = ZSWR4_CLK_X16;  in zs_set_speed()
668 		cs->cs_preg[11]= ZSWR11_RXCLK_BAUD | ZSWR11_TXCLK_BAUD;  in zs_set_speed()
670 			cs->cs_preg[14] = ZSWR14_BAUD_ENA | ZSWR14_BAUD_FROM_PCLK;  in zs_set_speed()
672 			cs->cs_preg[14] = ZSWR14_BAUD_ENA;  in zs_set_speed()
676 		cs->cs_preg[4] = tc0;  in zs_set_speed()
678 			cs->cs_preg[11] = ZSWR11_RXCLK_RTXC | ZSWR11_TXCLK_RTXC;  in zs_set_speed()
680 			cs->cs_preg[11] = ZSWR11_RXCLK_TRXC | ZSWR11_TXCLK_TRXC;  in zs_set_speed()
682 		cs->cs_preg[14]= 0;  in zs_set_speed()
686 	cs->cs_preg[12] = tc;  in zs_set_speed()
687 	cs->cs_preg[13] = tc >> 8;  in zs_set_speed()
694 	    cs->cs_preg[4], cs->cs_preg[11], cs->cs_preg[14]);  in zs_set_speed()
697 	cs->cs_preg[5] |= ZSWR5_RTS;	/* Make sure the drivers are on! */  in zs_set_speed()
704 zs_set_modes(struct zs_chanstate *cs, int cflag)  in zs_set_modes()  argument
706 	struct xzs_chanstate *xcs = (void*)cs;  in zs_set_modes()
740 		cs->cs_rr0_dcd = 0;  in zs_set_modes()
742 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_set_modes()
757 		cs->cs_wr5_dtr = ZSWR5_DTR;  in zs_set_modes()
758 		cs->cs_wr5_rts = 0;  in zs_set_modes()
759 		cs->cs_rr0_cts = ZSRR0_CTS;  in zs_set_modes()
761 		cs->cs_wr5_dtr = 0;  in zs_set_modes()
762 		cs->cs_wr5_rts = ZSWR5_DTR;  in zs_set_modes()
763 		cs->cs_rr0_cts = ZSRR0_CTS;  in zs_set_modes()
765 		cs->cs_wr5_dtr = 0;  in zs_set_modes()
766 		cs->cs_wr5_rts = ZSWR5_DTR;  in zs_set_modes()
767 		cs->cs_rr0_cts = ZSRR0_DCD;  in zs_set_modes()
769 		cs->cs_wr5_dtr = ZSWR5_DTR;  in zs_set_modes()
770 		cs->cs_wr5_rts = 0;  in zs_set_modes()
771 		cs->cs_rr0_cts = 0;  in zs_set_modes()
789 zs_read_reg(struct zs_chanstate *cs, uint8_t reg)  in zs_read_reg()  argument
793 	out8(cs->cs_reg_csr, reg);  in zs_read_reg()
795 	val = in8(cs->cs_reg_csr);  in zs_read_reg()
801 zs_write_reg(struct zs_chanstate *cs, uint8_t reg, uint8_t val)  in zs_write_reg()  argument
803 	out8(cs->cs_reg_csr, reg);  in zs_write_reg()
805 	out8(cs->cs_reg_csr, val);  in zs_write_reg()
810 zs_read_csr(struct zs_chanstate *cs)  in zs_read_csr()  argument
814 	val = in8(cs->cs_reg_csr);  in zs_read_csr()
822 zs_write_csr(struct zs_chanstate *cs, uint8_t val)  in zs_write_csr()  argument
825 	out8(cs->cs_reg_csr, val);  in zs_write_csr()
830 zs_read_data(struct zs_chanstate *cs)  in zs_read_data()  argument
834 	val = in8(cs->cs_reg_data);  in zs_read_data()
840 zs_write_data(struct zs_chanstate *cs, uint8_t val)  in zs_write_data()  argument
842 	out8(cs->cs_reg_data, val);  in zs_write_data()
965 zs_abort(struct zs_chanstate *cs)  in zs_abort()  argument