189 	struct zs_chanstate *cs;  in zs_attach()  local
207 		cs = &zsc->zsc_cs_store[channel];  in zs_attach()
209 		zsc->zsc_cs[channel] = cs;  in zs_attach()
216 			memcpy(cs, zs_conschan, sizeof(struct zs_chanstate));  in zs_attach()
217 			zs_conschan = cs;  in zs_attach()
220 			cs->cs_reg_csr  = &zc->zc_csr;  in zs_attach()
221 			cs->cs_reg_data = &zc->zc_data;  in zs_attach()
222 			memcpy(cs->cs_creg, zs_init_reg, 16);  in zs_attach()
223 			memcpy(cs->cs_preg, zs_init_reg, 16);  in zs_attach()
224 			cs->cs_defspeed = zs_defspeed;  in zs_attach()
228 		zs_lock_init(cs);  in zs_attach()
229 		cs->cs_defcflag = zs_def_cflag;  in zs_attach()
231 		cs->cs_channel = channel;  in zs_attach()
232 		cs->cs_private = NULL;  in zs_attach()
233 		cs->cs_ops = &zsops_null;  in zs_attach()
234 		cs->cs_brg_clk = pclk[clk] / 16;  in zs_attach()
237 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_attach()
238 		cs->cs_rr0_cts = 0;  in zs_attach()
239 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_attach()
240 		cs->cs_wr5_rts = 0;  in zs_attach()
249 			zs_write_reg(cs, 9, 0);  in zs_attach()
263 			zs_write_reg(cs,  9, reset);  in zs_attach()
279 	cs = zsc->zsc_cs[0];  in zs_attach()
282 	zs_write_reg(cs, 2, zs_init_reg[2]);  in zs_attach()
284 	zs_write_reg(cs, 9, zs_init_reg[9]);  in zs_attach()
328 zs_get_speed(struct zs_chanstate *cs)
332 	tconst = zs_read_reg(cs, 12);
333 	tconst |= zs_read_reg(cs, 13) << 8;
334 	return TCONST_TO_BPS(cs->cs_brg_clk, tconst);
342 zs_set_speed(struct zs_chanstate *cs, int bps)  in zs_set_speed()  argument
350 	if (cs->cs_brg_clk == 0)  in zs_set_speed()
354 	tconst = BPS_TO_TCONST(cs->cs_brg_clk, bps);  in zs_set_speed()
359 	real_bps = TCONST_TO_BPS(cs->cs_brg_clk, tconst);  in zs_set_speed()
365 	cs->cs_preg[12] = tconst;  in zs_set_speed()
366 	cs->cs_preg[13] = tconst >> 8;  in zs_set_speed()
373 zs_set_modes(struct zs_chanstate *cs, int cflag)  in zs_set_modes()  argument
385 	cs->cs_rr0_pps = 0;  in zs_set_modes()
387 		cs->cs_rr0_dcd = 0;  in zs_set_modes()
389 			cs->cs_rr0_pps = ZSRR0_DCD;  in zs_set_modes()
391 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_set_modes()
393 		cs->cs_wr5_dtr = ZSWR5_DTR;  in zs_set_modes()
394 		cs->cs_wr5_rts = ZSWR5_RTS;  in zs_set_modes()
395 		cs->cs_rr0_cts = ZSRR0_CTS;  in zs_set_modes()
397 		cs->cs_wr5_dtr = 0;  in zs_set_modes()
398 		cs->cs_wr5_rts = ZSWR5_DTR;  in zs_set_modes()
399 		cs->cs_rr0_cts = ZSRR0_DCD;  in zs_set_modes()
401 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_set_modes()
402 		cs->cs_wr5_rts = 0;  in zs_set_modes()
403 		cs->cs_rr0_cts = 0;  in zs_set_modes()
417 zs_read_reg(struct zs_chanstate *cs, uint8_t reg)  in zs_read_reg()  argument
421 	*cs->cs_reg_csr = reg;  in zs_read_reg()
423 	val = *cs->cs_reg_csr;  in zs_read_reg()
429 zs_write_reg(struct zs_chanstate *cs, uint8_t reg, uint8_t val)  in zs_write_reg()  argument
432 	*cs->cs_reg_csr = reg;  in zs_write_reg()
434 	*cs->cs_reg_csr = val;  in zs_write_reg()
439 zs_read_csr(struct zs_chanstate *cs)  in zs_read_csr()  argument
443 	val = *cs->cs_reg_csr;  in zs_read_csr()
449 zs_write_csr(struct zs_chanstate *cs, uint8_t val)  in zs_write_csr()  argument
452 	*cs->cs_reg_csr = val;  in zs_write_csr()
457 zs_read_data(struct zs_chanstate *cs)  in zs_read_data()  argument
461 	val = *cs->cs_reg_data;  in zs_read_data()
467 zs_write_data(struct zs_chanstate *cs, uint8_t val)  in zs_write_data()  argument
470 	*cs->cs_reg_data = val;  in zs_write_data()
475 zs_abort(struct zs_chanstate *cs)  in zs_abort()  argument
489 	struct zs_chanstate *cs = arg;  in zs_getc()  local
495 		rr0 = *cs->cs_reg_csr;  in zs_getc()
499 	c = *cs->cs_reg_data;  in zs_getc()
512 	struct zs_chanstate *cs = arg;  in zs_putc()  local
518 		rr0 = *cs->cs_reg_csr;  in zs_putc()
522 	*cs->cs_reg_data = c;  in zs_putc()
555 	struct zs_chanstate *cs;  in zscninit()  local
569 	zs_conschan = cs = &zs_conschan_store;  in zscninit()
572 	cs->cs_reg_csr  = &zc_cons->zc_csr;  in zscninit()
573 	cs->cs_reg_data = &zc_cons->zc_data;  in zscninit()
576 	memcpy(cs->cs_preg, zs_init_reg, 16);  in zscninit()
577 	cs->cs_preg[5] |= ZSWR5_DTR | ZSWR5_RTS;  in zscninit()
579 	cs->cs_preg[12] = BPS_TO_TCONST(pclk[systype] / 16, 9600); /* XXX */  in zscninit()
580 	cs->cs_preg[13] = 0;  in zscninit()
581 	cs->cs_defspeed = 9600;  in zscninit()
584 	zs_write_reg(cs, 9, 0);  in zscninit()
587 	zs_write_reg(cs, 9, ZSWR9_HARD_RESET);  in zscninit()
590 	zs_loadchannelregs(cs);  in zscninit()