134 	struct zs_chanstate *cs;  in zs_config()  local
146 		cs = &zsc->zsc_cs_store[channel];  in zs_config()
147 		zsc->zsc_cs[channel] = cs;  in zs_config()
154 			memcpy(cs, zs_conschan, sizeof(struct zs_chanstate));  in zs_config()
155 			zs_conschan = cs;  in zs_config()
158 			cs->cs_reg_csr  = zc->zc_csr;  in zs_config()
159 			cs->cs_reg_data = zc->zc_data;  in zs_config()
160 			memcpy(cs->cs_creg, zs_init_reg, 16);  in zs_config()
161 			memcpy(cs->cs_preg, zs_init_reg, 16);  in zs_config()
162 			cs->cs_defspeed = zs_defspeed[zsc_unit][channel];  in zs_config()
165 		zs_lock_init(cs);  in zs_config()
166 		cs->cs_brg_clk = pclk / 16;  in zs_config()
167 		cs->cs_creg[2] = cs->cs_preg[2] = vector;  in zs_config()
168 		zs_set_speed(cs, cs->cs_defspeed);  in zs_config()
169 		cs->cs_creg[12] = cs->cs_preg[12];  in zs_config()
170 		cs->cs_creg[13] = cs->cs_preg[13];  in zs_config()
171 		cs->cs_defcflag = zs_def_cflag;  in zs_config()
174 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_config()
175 		cs->cs_rr0_cts = 0;  in zs_config()
176 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_config()
177 		cs->cs_wr5_rts = 0;  in zs_config()
179 		cs->cs_channel = channel;  in zs_config()
180 		cs->cs_private = NULL;  in zs_config()
181 		cs->cs_ops = &zsops_null;  in zs_config()
190 			zs_write_reg(cs, 9, 0);  in zs_config()
191 			zs_write_reg(cs, 2, vector);  in zs_config()
204 			zs_write_reg(cs,  9, reset);  in zs_config()
288 zs_get_speed(struct zs_chanstate *cs)
292 	tconst = zs_read_reg(cs, 12);
293 	tconst |= zs_read_reg(cs, 13) << 8;
294 	return TCONST_TO_BPS(cs->cs_brg_clk, tconst);
302 zs_set_speed(struct zs_chanstate *cs, int bps)  in zs_set_speed()  argument
310 	if (cs->cs_brg_clk == 0)  in zs_set_speed()
314 	tconst = BPS_TO_TCONST(cs->cs_brg_clk, bps);  in zs_set_speed()
319 	real_bps = TCONST_TO_BPS(cs->cs_brg_clk, tconst);  in zs_set_speed()
325 	cs->cs_preg[12] = tconst;  in zs_set_speed()
326 	cs->cs_preg[13] = tconst >> 8;  in zs_set_speed()
333 zs_set_modes(struct zs_chanstate *cs, int cflag)  in zs_set_modes()  argument
345 	cs->cs_rr0_pps = 0;  in zs_set_modes()
347 		cs->cs_rr0_dcd = 0;  in zs_set_modes()
349 			cs->cs_rr0_pps = ZSRR0_DCD;  in zs_set_modes()
351 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_set_modes()
353 		cs->cs_wr5_dtr = ZSWR5_DTR;  in zs_set_modes()
354 		cs->cs_wr5_rts = ZSWR5_RTS;  in zs_set_modes()
355 		cs->cs_rr0_cts = ZSRR0_CTS;  in zs_set_modes()
357 		cs->cs_wr5_dtr = 0;  in zs_set_modes()
358 		cs->cs_wr5_rts = ZSWR5_DTR;  in zs_set_modes()
359 		cs->cs_rr0_cts = ZSRR0_DCD;  in zs_set_modes()
361 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_set_modes()
362 		cs->cs_wr5_rts = 0;  in zs_set_modes()
363 		cs->cs_rr0_cts = 0;  in zs_set_modes()
377 zs_read_reg(struct zs_chanstate *cs, uint8_t reg)  in zs_read_reg()  argument
381 	*cs->cs_reg_csr = reg;  in zs_read_reg()
383 	val = *cs->cs_reg_csr;  in zs_read_reg()
389 zs_write_reg(struct zs_chanstate *cs, uint8_t reg, uint8_t val)  in zs_write_reg()  argument
392 	*cs->cs_reg_csr = reg;  in zs_write_reg()
394 	*cs->cs_reg_csr = val;  in zs_write_reg()
399 zs_read_csr(struct zs_chanstate *cs)  in zs_read_csr()  argument
403 	val = *cs->cs_reg_csr;  in zs_read_csr()
409 zs_write_csr(struct zs_chanstate *cs, uint8_t val)  in zs_write_csr()  argument
412 	*cs->cs_reg_csr = val;  in zs_write_csr()
417 zs_read_data(struct zs_chanstate *cs)  in zs_read_data()  argument
421 	val = *cs->cs_reg_data;  in zs_read_data()
427 zs_write_data(struct zs_chanstate *cs, uint8_t val)  in zs_write_data()  argument
430 	*cs->cs_reg_data = val;  in zs_write_data()
444 	struct zs_chanstate *cs = arg;  in zs_getc()  local
451 		rr0 = *cs->cs_reg_csr;  in zs_getc()
456 	stat = zs_read_reg(cs, 1) & (ZSRR1_FE | ZSRR1_DO | ZSRR1_PE);  in zs_getc()
458 		zs_write_csr(cs, ZSM_RESET_ERR);  in zs_getc()
463 	c = *cs->cs_reg_data;  in zs_getc()
476 	struct zs_chanstate *cs = arg;  in zs_putc()  local
482 		rr0 = *cs->cs_reg_csr;  in zs_putc()
486 	*cs->cs_reg_data = c;  in zs_putc()
497 	struct zs_chanstate *cs;  in zs_cnconfig()  local
507 	zs_conschan = cs = &zs_conschan_store;  in zs_cnconfig()
511 	cs->cs_brg_clk = pclk / 16;  in zs_cnconfig()
512 	cs->cs_reg_csr  = zc->zc_csr;  in zs_cnconfig()
513 	cs->cs_reg_data = zc->zc_data;  in zs_cnconfig()
516 	memcpy(cs->cs_preg, zs_init_reg, 16);  in zs_cnconfig()
517 	cs->cs_preg[5] |= (ZSWR5_DTR | ZSWR5_RTS);  in zs_cnconfig()
522 	cs->cs_defspeed = zs_get_speed(cs);  in zs_cnconfig()
524 	cs->cs_defspeed = 9600;	/* XXX */  in zs_cnconfig()
526 	zs_set_speed(cs, cs->cs_defspeed);  in zs_cnconfig()
527 	cs->cs_creg[12] = cs->cs_preg[12];  in zs_cnconfig()
528 	cs->cs_creg[13] = cs->cs_preg[13];  in zs_cnconfig()
531 	zs_write_reg(cs, 9, 0);  in zs_cnconfig()
534 	zs_write_reg(cs, 9, ZSWR9_HARD_RESET);  in zs_cnconfig()
537 	zs_loadchannelregs(cs);  in zs_cnconfig()
546 	struct zs_chanstate *cs = zs_conschan;  in zsc_pcccngetc()  local
549 	c = zs_getc(cs);  in zsc_pcccngetc()
559 	struct zs_chanstate *cs = zs_conschan;  in zsc_pcccnputc()  local
561 	zs_putc(cs, c);  in zsc_pcccnputc()
568 zs_abort(struct zs_chanstate *cs)  in zs_abort()  argument
575 		rr0 = *cs->cs_reg_csr;  in zs_abort()