dev/scc/scc_core.c

57 	struct scc_chan *ch;
71 				ch = &sc->sc_chan[c];
72 				if (!(ch->ch_ipend & isrc))
74 				m = &ch->ch_mode[0];
78 					ch->ch_ipend &= ~isrc;
82 			ch = &sc->sc_chan[c];
83 			if (!ch->ch_ipend)
85 			m = &ch->ch_mode[0];
89 				SCC_ICLEAR(sc, ch);
100 	struct scc_chan *ch;
146 		ch = &sc->sc_chan[c];
154 		ch->ch_irid = c * ipc;
155 		ch->ch_ires = bus_alloc_resource_any(dev, SYS_RES_IRQ,
156 		    &ch->ch_irid, RF_ACTIVE | RF_SHAREABLE);
170 		ch = &sc->sc_chan[c];
171 		resource_list_init(&ch->ch_rlist);
172 		ch->ch_nr = c + 1;
174 		if (!SCC_ENABLED(sc, ch))
177 		ch->ch_enabled = 1;
178 		resource_list_add(&ch->ch_rlist, sc->sc_rtype, 0, start,
180 		rle = resource_list_find(&ch->ch_rlist, sc->sc_rtype, 0);
181 		rle->res = &ch->ch_rres;
187 		resource_list_add(&ch->ch_rlist, SYS_RES_IRQ, 0, c, c, 1);
188 		rle = resource_list_find(&ch->ch_rlist, SYS_RES_IRQ, 0);
189 		rle->res = (ch->ch_ires != NULL) ? ch->ch_ires :
193 			m = &ch->ch_mode[mode];
194 			m->m_chan = ch;
196 			if ((cl->cl_modes & m->m_mode) == 0 || ch->ch_sysdev)
204 				ch->ch_sysdev |= m->m_sysdev;
210 		sysdev |= ch->ch_sysdev;
233 		ch = &sc->sc_chan[c];
234 		if (ch->ch_ires == NULL)
236 		error = bus_setup_intr(dev, ch->ch_ires,
238 		    &ch->ch_icookie);
240 			error = bus_setup_intr(dev, ch->ch_ires,
242 			    (driver_intr_t *)scc_bfe_intr, sc, &ch->ch_icookie);
248 			bus_release_resource(dev, SYS_RES_IRQ, ch->ch_irid,
249 			    ch->ch_ires);
250 			ch->ch_ires = NULL;
263 		ch = &sc->sc_chan[c];
265 			m = &ch->ch_mode[mode];
293 		ch = &sc->sc_chan[c];
294 		if (ch->ch_ires == NULL)
296 		bus_release_resource(dev, SYS_RES_IRQ, ch->ch_irid,
297 		    ch->ch_ires);
306 	struct scc_chan *ch;
318 		ch = &sc->sc_chan[chan];
320 			m = &ch->ch_mode[mode];
334 		ch = &sc->sc_chan[chan];
335 		if (ch->ch_ires == NULL)
337 		bus_teardown_intr(dev, ch->ch_ires, ch->ch_icookie);
338 		bus_release_resource(dev, SYS_RES_IRQ, ch->ch_irid,
339 		    ch->ch_ires);
413 	struct scc_chan *ch;
424 	ch = m->m_chan;
425 	rle = resource_list_find(&ch->ch_rlist, type, 0);
437 	struct scc_chan *ch;
444 	ch = m->m_chan;
445 	rle = resource_list_find(&ch->ch_rlist, type, rid);
459 	struct scc_chan *ch;
470 	ch = m->m_chan;
474 		*result = ch->ch_nr;
502 	struct scc_chan *ch;
509 	ch = m->m_chan;
510 	rle = resource_list_find(&ch->ch_rlist, type, rid);
518 	struct scc_chan *ch;
537 			ch = &sc->sc_chan[c];
538 			if (ch->ch_ires == NULL)
540 			bus_teardown_intr(dev, ch->ch_ires, ch->ch_icookie);
541 			bus_setup_intr(dev, ch->ch_ires,
543 			    (driver_intr_t *)scc_bfe_intr, sc, &ch->ch_icookie);