stand/common/dcm.c

1 /*	$NetBSD: dcm.c,v 1.10 2023/04/21 22:44:27 tsutsui Exp $	*/
36  *	@(#)dcm.c	8.1 (Berkeley) 6/10/93
57 	struct dcmdevice *dcm;
71 	dcm = dcmcnaddr;
72 	switch (dcm->dcm_rsid) {
91 	struct dcmdevice *dcm = dcmcnaddr;
94 	dcm->dcm_ic = IC_ID;
95 	while (dcm->dcm_thead[port].ptr != dcm->dcm_ttail[port].ptr)
97 	dcm->dcm_data[port].dcm_baud = BR_9600;
98 	dcm->dcm_data[port].dcm_conf = LC_8BITS | LC_1STOP;
99 	SEM_LOCK(dcm);
100 	dcm->dcm_cmdtab[port].dcm_data |= CT_CON;
101 	dcm->dcm_cr |= (1 << port);
102 	SEM_UNLOCK(dcm);
110 	struct dcmdevice *dcm = dcmcnaddr;
117 	pp = dcm_preg(dcm, port);
121 	fifo = &dcm->dcm_rfifos[3-port][head>>1];
125 	SEM_LOCK(dcm);
126 	(void)dcm->dcm_iir;
127 	SEM_UNLOCK(dcm);
142 	struct dcmdevice *dcm = dcmcnaddr;
149 	pp = dcm_preg(dcm, port);
154 	dcm->dcm_tfifos[3-port][tail].data_char = c;
156 	SEM_LOCK(dcm);
157 	dcm->dcm_cmdtab[port].dcm_data |= CT_TX;
158 	dcm->dcm_cr |= (1 << port);
159 	SEM_UNLOCK(dcm);
163 	SEM_LOCK(dcm);
164 	(void)dcm->dcm_iir;
165 	SEM_UNLOCK(dcm);