1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
4  * Copyright (c) 2004-2006 Marcel Moolenaar
52 #define	CHAN_A	(-(sc->sc_class->cl_range))
64  * escc (macio) spacing.
73 	/* Negative .cl_range signifies this is channel spacing. */
74 	.cl_range = (CHAN_B - 16),
78  * SUN compatible channel spacing.
87 	/* Negative .cl_range signifies this is channel spacing. */
88 	.cl_range = (CHAN_B - 2),
93 scc_getmreg(struct scc_bas *bas, int ch, int reg)  in scc_getmreg()  argument
96 	scc_setreg(bas, ch + REG_CTRL, reg);  in scc_getmreg()
114 	bas = &sc->sc_bas;  in z8530_bfe_iclear()
115 	c = (ch->ch_nr == 1) ? CHAN_A : CHAN_B;  in z8530_bfe_iclear()
116 	mtx_lock_spin(&sc->sc_hwmtx);  in z8530_bfe_iclear()
117 	if (ch->ch_ipend & SER_INT_TXIDLE) {  in z8530_bfe_iclear()
121 	if (ch->ch_ipend & SER_INT_RXREADY) {  in z8530_bfe_iclear()
125 	if (ch->ch_ipend & (SER_INT_OVERRUN|SER_INT_BREAK))  in z8530_bfe_iclear()
127 	mtx_unlock_spin(&sc->sc_hwmtx);  in z8530_bfe_iclear()
146 	bas = &sc->sc_bas;  in z8530_bfe_ipend()
147 	ch[0] = &sc->sc_chan[0];  in z8530_bfe_ipend()
148 	ch[1] = &sc->sc_chan[1];  in z8530_bfe_ipend()
149 	ch[0]->ch_ipend = 0;  in z8530_bfe_ipend()
150 	ch[1]->ch_ipend = 0;  in z8530_bfe_ipend()
152 	mtx_lock_spin(&sc->sc_hwmtx);  in z8530_bfe_ipend()
155 		ch[0]->ch_ipend |= SER_INT_RXREADY;  in z8530_bfe_ipend()
157 		ch[1]->ch_ipend |= SER_INT_RXREADY;  in z8530_bfe_ipend()
159 		ch[0]->ch_ipend |= SER_INT_TXIDLE;  in z8530_bfe_ipend()
161 		ch[1]->ch_ipend |= SER_INT_TXIDLE;  in z8530_bfe_ipend()
165 			ch[0]->ch_ipend |= SER_INT_BREAK;  in z8530_bfe_ipend()
166 		sig = ch[0]->ch_hwsig;  in z8530_bfe_ipend()
171 			ch[0]->ch_hwsig = sig;  in z8530_bfe_ipend()
172 			ch[0]->ch_ipend |= SER_INT_SIGCHG;  in z8530_bfe_ipend()
176 			ch[0]->ch_ipend |= SER_INT_OVERRUN;  in z8530_bfe_ipend()
181 			ch[1]->ch_ipend |= SER_INT_BREAK;  in z8530_bfe_ipend()
182 		sig = ch[1]->ch_hwsig;  in z8530_bfe_ipend()
187 			ch[1]->ch_hwsig = sig;  in z8530_bfe_ipend()
188 			ch[1]->ch_ipend |= SER_INT_SIGCHG;  in z8530_bfe_ipend()
192 			ch[1]->ch_ipend |= SER_INT_OVERRUN;  in z8530_bfe_ipend()
194 	mtx_unlock_spin(&sc->sc_hwmtx);  in z8530_bfe_ipend()
196 	return (ch[0]->ch_ipend | ch[1]->ch_ipend);  in z8530_bfe_ipend()