203 	struct zs_chanstate *cs;  in zs_attach()  local
217 		cs = &zsc->zsc_cs_store[channel];  in zs_attach()
218 		zsc->zsc_cs[channel] = cs;  in zs_attach()
220 		zs_lock_init(cs);  in zs_attach()
221 		cs->cs_channel = channel;  in zs_attach()
222 		cs->cs_private = NULL;  in zs_attach()
223 		cs->cs_ops = &zsops_null;  in zs_attach()
224 		cs->cs_brg_clk = PCLK / 16;  in zs_attach()
227 		cs->cs_reg_csr  = &zc->zc_csr;  in zs_attach()
228 		cs->cs_reg_data = &zc->zc_data;  in zs_attach()
230 		memcpy(cs->cs_creg, zs_init_reg, 16);  in zs_attach()
231 		memcpy(cs->cs_preg, zs_init_reg, 16);  in zs_attach()
236 			cs->cs_defspeed = zs_get_speed(cs);  in zs_attach()
238 			cs->cs_defspeed = zs_defspeed[channel];  in zs_attach()
239 		cs->cs_defcflag = zs_def_cflag;  in zs_attach()
242 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_attach()
243 		cs->cs_rr0_cts = 0;  in zs_attach()
244 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_attach()
245 		cs->cs_wr5_rts = 0;  in zs_attach()
253 			zs_write_reg(cs, 9, 0);  in zs_attach()
266 			zs_write_reg(cs,  9, reset);  in zs_attach()
280 	cs = zsc->zsc_cs[0];  in zs_attach()
283 	zs_write_reg(cs, 2, zs_init_reg[2]);  in zs_attach()
285 	zs_write_reg(cs, 9, zs_init_reg[9]);  in zs_attach()
341 zs_get_speed(struct zs_chanstate *cs)  in zs_get_speed()  argument
345 	tconst = zs_read_reg(cs, 12);  in zs_get_speed()
346 	tconst |= zs_read_reg(cs, 13) << 8;  in zs_get_speed()
347 	return (TCONST_TO_BPS(cs->cs_brg_clk, tconst));  in zs_get_speed()
354 zs_set_speed(struct zs_chanstate *cs, int bps)  in zs_set_speed()  argument
362 	if (cs->cs_brg_clk == 0)  in zs_set_speed()
366 	tconst = BPS_TO_TCONST(cs->cs_brg_clk, bps);  in zs_set_speed()
371 	real_bps = TCONST_TO_BPS(cs->cs_brg_clk, tconst);  in zs_set_speed()
377 	cs->cs_preg[12] = tconst;  in zs_set_speed()
378 	cs->cs_preg[13] = tconst >> 8;  in zs_set_speed()
385 zs_set_modes(struct zs_chanstate *cs, int cflag)  in zs_set_modes()  argument
397 	cs->cs_rr0_pps = 0;  in zs_set_modes()
399 		cs->cs_rr0_dcd = 0;  in zs_set_modes()
401 			cs->cs_rr0_pps = ZSRR0_DCD;  in zs_set_modes()
403 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_set_modes()
405 		cs->cs_wr5_dtr = ZSWR5_DTR;  in zs_set_modes()
406 		cs->cs_wr5_rts = ZSWR5_RTS;  in zs_set_modes()
407 		cs->cs_rr0_cts = ZSRR0_CTS;  in zs_set_modes()
409 		cs->cs_wr5_dtr = 0;  in zs_set_modes()
410 		cs->cs_wr5_rts = ZSWR5_DTR;  in zs_set_modes()
411 		cs->cs_rr0_cts = ZSRR0_CTS;  in zs_set_modes()
413 		cs->cs_wr5_dtr = 0;  in zs_set_modes()
414 		cs->cs_wr5_rts = ZSWR5_DTR;  in zs_set_modes()
415 		cs->cs_rr0_cts = ZSRR0_DCD;  in zs_set_modes()
417 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_set_modes()
418 		cs->cs_wr5_rts = 0;  in zs_set_modes()
419 		cs->cs_rr0_cts = 0;  in zs_set_modes()
432 zs_read_reg(struct zs_chanstate *cs, uint8_t reg)  in zs_read_reg()  argument
436 	*cs->cs_reg_csr = reg;  in zs_read_reg()
438 	val = *cs->cs_reg_csr;  in zs_read_reg()
444 zs_write_reg(struct zs_chanstate *cs, uint8_t reg, uint8_t val)  in zs_write_reg()  argument
446 	*cs->cs_reg_csr = reg;  in zs_write_reg()
448 	*cs->cs_reg_csr = val;  in zs_write_reg()
453 zs_read_csr(struct zs_chanstate *cs)  in zs_read_csr()  argument
457 	val = *cs->cs_reg_csr;  in zs_read_csr()
463 zs_write_csr(struct zs_chanstate *cs, uint8_t val)  in zs_write_csr()  argument
465 	*cs->cs_reg_csr = val;  in zs_write_csr()
470 zs_read_data(struct zs_chanstate *cs)  in zs_read_data()  argument
474 	val = *cs->cs_reg_data;  in zs_read_data()
480 zs_write_data(struct zs_chanstate *cs, uint8_t val)  in zs_write_data()  argument
482 	*cs->cs_reg_data = val;  in zs_write_data()
501 zs_abort(struct zs_chanstate *cs)  in zs_abort()  argument
515 	zskgdb(cs);  in zs_abort()
609 	struct zs_chanstate *cs;  in zscninit()  local
617 	cs = &xcs;  in zscninit()
619 	cs->cs_reg_csr  = &zc->zc_csr;  in zscninit()
620 	cs->cs_reg_data = &zc->zc_data;  in zscninit()
621 	cs->cs_channel = zs_consunit;  in zscninit()
622 	cs->cs_brg_clk = PCLK / 16;  in zscninit()
624 	memcpy(cs->cs_preg, zs_init_reg, 16);  in zscninit()
625 	cs->cs_preg[5] |= ZSWR5_DTR | ZSWR5_RTS;  in zscninit()
626 	cs->cs_preg[15] = ZSWR15_BREAK_IE;  in zscninit()
628 	tconst = BPS_TO_TCONST(cs->cs_brg_clk, zs_defspeed[zs_consunit]);  in zscninit()
629 	cs->cs_preg[12] = tconst;  in zscninit()
630 	cs->cs_preg[13] = tconst >> 8;  in zscninit()
637 	cs->cs_preg[9] &= ~ZSWR9_MASTER_IE;  in zscninit()
641 	zs_loadchannelregs(cs);  in zscninit()