154 	struct zs_chanstate *cs;  in zs_attach()  local
179 		cs = &zsc->zsc_cs_store[channel];  in zs_attach()
180 		zsc->zsc_cs[channel] = cs;  in zs_attach()
182 		zs_lock_init(cs);  in zs_attach()
183 		cs->cs_channel = channel;  in zs_attach()
184 		cs->cs_private = NULL;  in zs_attach()
185 		cs->cs_ops = &zsops_null;  in zs_attach()
186 		cs->cs_brg_clk = PCLK / 16;  in zs_attach()
208 		cs->cs_reg_csr  = &zc->zc_csr;  in zs_attach()
209 		cs->cs_reg_data = &zc->zc_data;  in zs_attach()
211 		memcpy(cs->cs_creg, zs_init_reg, 16);  in zs_attach()
212 		memcpy(cs->cs_preg, zs_init_reg, 16);  in zs_attach()
215 		cs->cs_defspeed = zs_get_speed(cs);  in zs_attach()
216 		cs->cs_defcflag = zs_def_cflag;  in zs_attach()
219 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_attach()
220 		cs->cs_rr0_cts = 0;  in zs_attach()
221 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_attach()
222 		cs->cs_wr5_rts = 0;  in zs_attach()
230 			zs_write_reg(cs, 9, 0);  in zs_attach()
242 			zs_lock_chan(cs);  in zs_attach()
243 			zs_write_reg(cs,  9, reset);  in zs_attach()
244 			zs_unlock_chan(cs);  in zs_attach()
313 	cs = zsc->zsc_cs[0];  in zs_attach()
314 	zs_lock_chan(cs);  in zs_attach()
316 	zs_write_reg(cs, 2, zs_init_reg[2]);  in zs_attach()
318 	zs_write_reg(cs, 9, zs_init_reg[9]);  in zs_attach()
319 	zs_unlock_chan(cs);  in zs_attach()
394 zs_get_speed(struct zs_chanstate *cs)  in zs_get_speed()  argument
398 	tconst = zs_read_reg(cs, 12);  in zs_get_speed()
399 	tconst |= zs_read_reg(cs, 13) << 8;  in zs_get_speed()
400 	return (TCONST_TO_BPS(cs->cs_brg_clk, tconst));  in zs_get_speed()
407 zs_set_speed(struct zs_chanstate *cs, int bps)  in zs_set_speed()  argument
415 	if (cs->cs_brg_clk == 0)  in zs_set_speed()
419 	tconst = BPS_TO_TCONST(cs->cs_brg_clk, bps);  in zs_set_speed()
424 	real_bps = TCONST_TO_BPS(cs->cs_brg_clk, tconst);  in zs_set_speed()
430 	cs->cs_preg[12] = tconst;  in zs_set_speed()
431 	cs->cs_preg[13] = tconst >> 8;  in zs_set_speed()
438 zs_set_modes(struct zs_chanstate *cs, int cflag	/* bits per second */)  in zs_set_modes()  argument
448 	zs_lock_chan(cs);  in zs_set_modes()
449 	cs->cs_rr0_pps = 0;  in zs_set_modes()
451 		cs->cs_rr0_dcd = 0;  in zs_set_modes()
453 			cs->cs_rr0_pps = ZSRR0_DCD;  in zs_set_modes()
455 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_set_modes()
457 		cs->cs_wr5_dtr = ZSWR5_DTR;  in zs_set_modes()
458 		cs->cs_wr5_rts = ZSWR5_RTS;  in zs_set_modes()
459 		cs->cs_rr0_cts = ZSRR0_CTS;  in zs_set_modes()
461 		cs->cs_wr5_dtr = 0;  in zs_set_modes()
462 		cs->cs_wr5_rts = ZSWR5_DTR;  in zs_set_modes()
463 		cs->cs_rr0_cts = ZSRR0_CTS;  in zs_set_modes()
465 		cs->cs_wr5_dtr = 0;  in zs_set_modes()
466 		cs->cs_wr5_rts = ZSWR5_DTR;  in zs_set_modes()
467 		cs->cs_rr0_cts = ZSRR0_DCD;  in zs_set_modes()
469 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_set_modes()
470 		cs->cs_wr5_rts = 0;  in zs_set_modes()
471 		cs->cs_rr0_cts = 0;  in zs_set_modes()
473 	zs_unlock_chan(cs);  in zs_set_modes()
485 zs_read_reg(struct zs_chanstate *cs, uint8_t reg)  in zs_read_reg()  argument
489 	*cs->cs_reg_csr = reg;  in zs_read_reg()
491 	val = *cs->cs_reg_csr;  in zs_read_reg()
497 zs_write_reg(struct zs_chanstate *cs, uint8_t reg, uint8_t val)  in zs_write_reg()  argument
499 	*cs->cs_reg_csr = reg;  in zs_write_reg()
501 	*cs->cs_reg_csr = val;  in zs_write_reg()
506 zs_read_csr(struct zs_chanstate *cs)  in zs_read_csr()  argument
510 	val = *cs->cs_reg_csr;  in zs_read_csr()
516 zs_write_csr(struct zs_chanstate *cs, uint8_t val)  in zs_write_csr()  argument
518 	*cs->cs_reg_csr = val;  in zs_write_csr()
523 zs_read_data(struct zs_chanstate *cs)  in zs_read_data()  argument
527 	val = *cs->cs_reg_data;  in zs_read_data()
533 zs_write_data(struct zs_chanstate *cs, uint8_t val)  in zs_write_data()  argument
535 	*cs->cs_reg_data = val;  in zs_write_data()
552 zs_abort(struct zs_chanstate *cs)  in zs_abort()  argument
565 	zskgdb(cs);  in zs_abort()