dev/usb/umidi.c

122  * umidi(sc) -> endpoint -> jack   <- (dynamically assignable) - mididev
1072  * jack stuffs
1080 	struct umidi_jack *jack;
1121 	jack = &sc->sc_out_jacks[0];
1123 		jack->opened = 0;
1124 		jack->bound = 0;
1125 		jack->arg = NULL;
1126 		jack->u.out.intr = NULL;
1127 		jack->midiman_ppkt = NULL;
1129 			jack->cable_number = i;
1130 		jack++;
1132 	jack = &sc->sc_in_jacks[0];
1134 		jack->opened = 0;
1135 		jack->bound = 0;
1136 		jack->arg = NULL;
1137 		jack->u.in.intr = NULL;
1139 			jack->cable_number = i;
1140 		jack++;
1144 	jack = &sc->sc_out_jacks[0];
1148 			jack->endpoint = ep;
1150 				jack->cable_number = *cn_spec++;
1152 				jack->cable_number = j;
1153 			ep->jacks[jack->cable_number] = jack;
1154 			jack++;
1158 	jack = &sc->sc_in_jacks[0];
1162 			jack->endpoint = ep;
1164 				jack->cable_number = *cn_spec++;
1166 				jack->cable_number = j;
1167 			ep->jacks[jack->cable_number] = jack;
1168 			jack++;
1299 open_out_jack(struct umidi_jack *jack, void *arg, void (*intr)(void *))
1301 	struct umidi_endpoint *ep = jack->endpoint;
1308 	if (jack->opened)
1311 	jack->arg = arg;
1312 	jack->u.out.intr = intr;
1313 	jack->midiman_ppkt = NULL;
1315 	jack->opened = 1;
1328 			jack->opened = 0;
1337 open_in_jack(struct umidi_jack *jack, void *arg, void (*intr)(void *, int))
1340 	struct umidi_endpoint *ep = jack->endpoint;
1344 	if (jack->opened)
1347 	jack->arg = arg;
1348 	jack->u.in.intr = intr;
1349 	jack->opened = 1;
1368 close_out_jack(struct umidi_jack *jack)
1375 	if (jack->opened) {
1376 		ep = jack->endpoint;
1380 		mask = 1 << (jack->cable_number);
1391 		if (jack->opened) {
1392 			jack->opened = 0;
1393 			jack->endpoint->num_open--;
1401 close_in_jack(struct umidi_jack *jack)
1403 	if (jack->opened) {
1404 		struct umidi_softc *sc = jack->endpoint->sc;
1408 		jack->opened = 0;
1409 		if (--jack->endpoint->num_open == 0) {
1417 			usbd_abort_pipe(jack->endpoint->pipe);
1547  *  For class-compliant devices: get the iJack string from the jack descriptor.
1551  *  - support an array quirk explicitly giving a char * for each jack.
1633 dump_jack(struct umidi_jack *jack)
1636 		      jack->endpoint));
1830 	struct umidi_jack *jack;
1865 		if (!(jack = ep->jacks[cn]) || cn != jack->cable_number) {
1876 		if (!jack->bound || !jack->opened)
1886 		if (jack->u.in.intr) {
1888 				(*jack->u.in.intr)(jack->arg, data[i]);
1949  * A jack on which we have received a packet must be called back on its
1954  * In contrast, a jack that is open but not scheduled may supply us a packet
1962  * the minimum or no jack has any more to send.
1971 	struct umidi_jack *jack;
1987 		 * At least one jack is scheduled. Find and mask off the least
1989 		 * Convert mask to bit index to find the corresponding jack,
2007 		which &= 0x1f; /* the bit index a/k/a jack number */
2009 		jack = ep->jacks[which];
2010 		if (jack->u.out.intr)
2011 			(*jack->u.out.intr)(jack->arg);