sparc64/dev/zs.c

295 	struct zs_chanstate *cs;
316 		cs = &zsc->zsc_cs_store[channel];
317 		zsc->zsc_cs[channel] = cs;
319 		cs->cs_channel = channel;
320 		cs->cs_private = NULL;
321 		cs->cs_ops = &zsops_null;
322 		cs->cs_brg_clk = PCLK / 16;
349 		cs->cs_reg_csr  = &zc->zc_csr;
350 		cs->cs_reg_data = &zc->zc_data;
352 		bcopy(zs_init_reg, cs->cs_creg, 16);
353 		bcopy(zs_init_reg, cs->cs_preg, 16);
356 		cs->cs_defspeed = zs_get_speed(cs);
357 		cs->cs_defcflag = zs_def_cflag;
360 		cs->cs_rr0_dcd = ZSRR0_DCD;
361 		cs->cs_rr0_cts = 0;
362 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;
363 		cs->cs_wr5_rts = 0;
371 			zs_write_reg(cs, 9, 0);
384 			zs_write_reg(cs,  9, reset);
402 	cs = zsc->zsc_cs[0];
405 	zs_write_reg(cs, 2, zs_init_reg[2]);
407 	zs_write_reg(cs, 9, zs_init_reg[9]);
472 zs_get_speed(struct zs_chanstate *cs)
476 	tconst = zs_read_reg(cs, 12);
477 	tconst |= zs_read_reg(cs, 13) << 8;
478 	return (TCONST_TO_BPS(cs->cs_brg_clk, tconst));
485 zs_set_speed(struct zs_chanstate *cs, int bps)
493 	if (cs->cs_brg_clk == 0)
497 	tconst = BPS_TO_TCONST(cs->cs_brg_clk, bps);
502 	real_bps = TCONST_TO_BPS(cs->cs_brg_clk, tconst);
508 	cs->cs_preg[12] = tconst;
509 	cs->cs_preg[13] = tconst >> 8;
516 zs_set_modes(struct zs_chanstate *cs, int cflag)
528 	cs->cs_rr0_pps = 0;
530 		cs->cs_rr0_dcd = 0;
532 			cs->cs_rr0_pps = ZSRR0_DCD;
534 		cs->cs_rr0_dcd = ZSRR0_DCD;
536 		cs->cs_wr5_dtr = ZSWR5_DTR;
537 		cs->cs_wr5_rts = ZSWR5_RTS;
538 		cs->cs_rr0_cts = ZSRR0_CTS;
541 		cs->cs_wr5_dtr = 0;
542 		cs->cs_wr5_rts = ZSWR5_DTR;
543 		cs->cs_rr0_cts = ZSRR0_CTS;
546 		cs->cs_wr5_dtr = 0;
547 		cs->cs_wr5_rts = ZSWR5_DTR;
548 		cs->cs_rr0_cts = ZSRR0_DCD;
550 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;
551 		cs->cs_wr5_rts = 0;
552 		cs->cs_rr0_cts = 0;
566 zs_read_reg(struct zs_chanstate *cs, u_char reg)
570 	*cs->cs_reg_csr = reg;
572 	val = *cs->cs_reg_csr;
578 zs_write_reg(struct zs_chanstate *cs, u_char reg, u_char val)
580 	*cs->cs_reg_csr = reg;
582 	*cs->cs_reg_csr = val;
587 zs_read_csr(struct zs_chanstate *cs)
591 	val = *cs->cs_reg_csr;
597 zs_write_csr(struct zs_chanstate *cs, u_char val)
599 	*cs->cs_reg_csr = val;
604 zs_read_data(struct zs_chanstate *cs)
608 	val = *cs->cs_reg_data;
614 zs_write_data(struct zs_chanstate *cs, u_char val)
616 	*cs->cs_reg_data = val;
631 zs_abort(struct zs_chanstate *cs)