dev/isa/esp_isa.c

249 esp_isa_init(struct esp_isa_softc *esc, struct esp_isa_probe_data *epd)
251 	struct ncr53c9x_softc *sc = &esc->sc_ncr53c9x;
362 	struct esp_isa_softc *esc = device_private(self);
363 	struct ncr53c9x_softc *sc = &esc->sc_ncr53c9x;
393 	esc->sc_ih = isa_intr_establish(ic, ia->ia_irq[0].ir_irq, IST_EDGE,
394 	    IPL_BIO, ncr53c9x_intr, esc);
395 	if (esc->sc_ih == NULL) {
400 	esc->sc_ioh = ioh;
401 	esc->sc_iot = iot;
402 	esp_isa_init(esc, &epd);
422 	struct esp_isa_softc *esc = (struct esp_isa_softc *)sc;
425 	v =  bus_space_read_1(esc->sc_iot, esc->sc_ioh, reg);
428 	    (bus_space_read_1(esc->sc_iot, esc->sc_ioh, NCR_CFG4) &
437 	struct esp_isa_softc *esc = (struct esp_isa_softc *)sc;
445 	    (bus_space_read_1(esc->sc_iot, esc->sc_ioh, NCR_CFG4) &
448 	bus_space_write_1(esc->sc_iot, esc->sc_ioh, reg, v);
463 	struct esp_isa_softc *esc = (struct esp_isa_softc *)sc;
467 	esc->sc_active = 0;
468 	esc->sc_tc = 0;
474 	struct esp_isa_softc *esc = (struct esp_isa_softc *)sc;
481 	if (esc->sc_active == 0) {
488 		esc->sc_active = 0;
492 	cnt = *esc->sc_pdmalen;
493 	if (*esc->sc_pdmalen == 0) {
498 	p = *esc->sc_dmaaddr;
503 		if (esc->sc_datain) {
509 				esc->sc_active = 0;
518 				esc->sc_active = 0;
522 		if (esc->sc_active) {
531 	} while (esc->sc_active && espintr);
535 	*esc->sc_dmaaddr = p;
536 	*esc->sc_pdmalen = cnt;
538 	if (*esc->sc_pdmalen == 0) {
539 		esc->sc_tc = NCRSTAT_TC;
541 	sc->sc_espstat |= esc->sc_tc;
549 	struct esp_isa_softc *esc = (struct esp_isa_softc *)sc;
553 	esc->sc_dmaaddr = addr;
554 	esc->sc_pdmalen = len;
555 	esc->sc_datain = datain;
556 	esc->sc_dmasize = *dmasize;
557 	esc->sc_tc = 0;
565 	struct esp_isa_softc *esc = (struct esp_isa_softc *)sc;
569 	esc->sc_active = 1;
581 	struct esp_isa_softc *esc = (struct esp_isa_softc *)sc;
585 	return esc->sc_active;