106 	struct zs_chanstate *cs;  in zs_config()  local
124 			cs = &zs_conschan_store;  in zs_config()
126 			cs = kmem_zalloc(sizeof(*cs), KM_SLEEP);  in zs_config()
128 				cs->cs_reg_csr  = base + 7;  in zs_config()
129 				cs->cs_reg_data = base + 15;  in zs_config()
131 				cs->cs_reg_csr  = base + 3;  in zs_config()
132 				cs->cs_reg_data = base + 11;  in zs_config()
134 			memcpy(cs->cs_creg, zs_init_reg, 16);  in zs_config()
135 			memcpy(cs->cs_preg, zs_init_reg, 16);  in zs_config()
136 			cs->cs_defspeed = 9600;  in zs_config()
138 		zsc->zsc_cs[channel] = cs;  in zs_config()
139 		zs_lock_init(cs);  in zs_config()
141 		cs->cs_defcflag = CREAD | CS8 | HUPCL;  in zs_config()
144 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_config()
145 		cs->cs_rr0_cts = 0;  in zs_config()
146 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_config()
147 		cs->cs_wr5_rts = 0;  in zs_config()
149 		cs->cs_channel = channel;  in zs_config()
150 		cs->cs_private = NULL;  in zs_config()
151 		cs->cs_ops = &zsops_null;  in zs_config()
152 		cs->cs_brg_clk = 4000000 / 16;  in zs_config()
160 			zs_write_reg(cs, 9, 0);  in zs_config()
173 			zs_write_reg(cs,  9, reset);  in zs_config()
214 zs_read_reg(struct zs_chanstate *cs, uint8_t reg)  in zs_read_reg()  argument
218 	*cs->cs_reg_csr = reg;  in zs_read_reg()
220 	val = *cs->cs_reg_csr;  in zs_read_reg()
226 zs_write_reg(struct zs_chanstate *cs, uint8_t reg, uint8_t val)  in zs_write_reg()  argument
228 	*cs->cs_reg_csr = reg;  in zs_write_reg()
230 	*cs->cs_reg_csr = val;  in zs_write_reg()
235 zs_read_csr(struct zs_chanstate *cs)  in zs_read_csr()  argument
239 	val = *cs->cs_reg_csr;  in zs_read_csr()
245 zs_write_csr(struct zs_chanstate *cs, uint8_t val)  in zs_write_csr()  argument
248 	*cs->cs_reg_csr = val;  in zs_write_csr()
253 zs_read_data(struct zs_chanstate *cs)  in zs_read_data()  argument
257 	val = *cs->cs_reg_data;  in zs_read_data()
263 zs_write_data(struct zs_chanstate *cs, uint8_t val)  in zs_write_data()  argument
266 	*cs->cs_reg_data = val;  in zs_write_data()
271 zs_set_speed(struct zs_chanstate *cs, int bps)  in zs_set_speed()  argument
275 	tconst = BPS_TO_TCONST(cs->cs_brg_clk, bps);  in zs_set_speed()
282 	int real_bps = TCONST_TO_BPS(cs->cs_brg_clk, tconst);  in zs_set_speed()
287 	cs->cs_preg[12] = tconst;  in zs_set_speed()
288 	cs->cs_preg[13] = tconst >> 8;  in zs_set_speed()
294 zs_set_modes(struct zs_chanstate *cs, int cflag)  in zs_set_modes()  argument
308 		cs->cs_rr0_dcd = 0;  in zs_set_modes()
309 		cs->cs_preg[15] &= ~ZSWR15_DCD_IE;  in zs_set_modes()
312 		cs->cs_rr0_dcd = ZSRR0_DCD;  in zs_set_modes()
313 		cs->cs_preg[15] |= ZSWR15_DCD_IE;  in zs_set_modes()
317 		cs->cs_wr5_dtr = ZSWR5_DTR;  in zs_set_modes()
318 		cs->cs_wr5_rts = ZSWR5_RTS;  in zs_set_modes()
319 		cs->cs_rr0_cts = ZSRR0_CTS;  in zs_set_modes()
320 		cs->cs_preg[15] |= ZSWR15_CTS_IE;  in zs_set_modes()
322 		cs->cs_wr5_dtr = ZSWR5_DTR | ZSWR5_RTS;  in zs_set_modes()
323 		cs->cs_wr5_rts = 0;  in zs_set_modes()
324 		cs->cs_rr0_cts = 0;  in zs_set_modes()
325 		cs->cs_preg[15] &= ~ZSWR15_CTS_IE;  in zs_set_modes()
337 zs_abort(struct zs_chanstate *cs)  in zs_abort()  argument
344 		rr0 = *cs->cs_reg_csr;  in zs_abort()
358 	struct zs_chanstate *cs = arg;  in zs_getc()  local
366 		rr0 = *cs->cs_reg_csr;  in zs_getc()
371 	stat = zs_read_reg(cs, 1) & (ZSRR1_FE | ZSRR1_DO | ZSRR1_PE);  in zs_getc()
373 		zs_write_csr(cs, ZSM_RESET_ERR);  in zs_getc()
378 	c = *cs->cs_reg_data;  in zs_getc()
391 	struct zs_chanstate *cs = arg;  in zs_putc()  local
398 		rr0 = *cs->cs_reg_csr;  in zs_putc()
402 	*cs->cs_reg_data = c;  in zs_putc()
410 	struct zs_chanstate *cs = &zs_conschan_store;  in zscngetc()  local
413 	c = zs_getc(cs);  in zscngetc()
420 	struct zs_chanstate *cs = &zs_conschan_store;  in zscnputc()  local
422 	zs_putc(cs, c);  in zscnputc()
431 	struct zs_chanstate *cs;  in zs_cninit()  local
437 	cs = &zs_conschan_store;  in zs_cninit()
441 	cs->cs_reg_csr  = (uint8_t *)base + 7;  in zs_cninit()
442 	cs->cs_reg_data = (uint8_t *)base + 15;  in zs_cninit()
445 	memcpy(cs->cs_preg, zs_init_reg, 16);  in zs_cninit()
446 	cs->cs_preg[5] |= (ZSWR5_DTR | ZSWR5_RTS);  in zs_cninit()
451 	cs->cs_defspeed = 9600;	/* XXX */  in zs_cninit()
454 	zs_write_reg(cs, 9, 0);  in zs_cninit()
457 	zs_write_reg(cs, 9, ZSWR9_HARD_RESET);  in zs_cninit()
460 	zs_loadchannelregs(cs);  in zs_cninit()