dev/esp/esp_sbus.c

164 static int	espattach(struct esp_softc *esc,
166 static int	espdetach(struct esp_softc *esc);
200 	struct esp_softc *esc;
206 	esc = device_get_softc(dev);
207 	sc = &esc->sc_ncr53c9x;
210 	esc->sc_dev = dev;
224 		esc->sc_dma = lsc;
275 		if ((esc->sc_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
299 				esc->sc_dma = (struct lsi64854_softc *)
305 		if (esc->sc_dma == NULL) {
309 		esc->sc_dma->sc_client = sc;
315 		if ((esc->sc_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
323 	error = espattach(esc, &esp_sbus_glue);
332 	bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(esc->sc_res),
333 	    esc->sc_res);
349 	struct esp_softc *esc;
353 	esc = device_get_softc(dev);
354 	lsc = esc->sc_dma;
356 	error = espdetach(esc);
359 	bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(esc->sc_res),
360 		esc->sc_res);
374 	struct esp_softc *esc;
378 	esc = device_get_softc(dev);
379 	sc = &esc->sc_ncr53c9x;
381 	esc->sc_dev = dev;
389 	esc->sc_dma = (struct lsi64854_softc *)
391 	esc->sc_dma->sc_client = sc;
397 	if ((esc->sc_res = bus_alloc_resource_any(dev, SYS_RES_MEMORY,
403 	error = espattach(esc, &esp_sbus_glue);
412 	bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(esc->sc_res),
413 	    esc->sc_res);
420 	struct esp_softc *esc;
423 	esc = device_get_softc(dev);
425 	error = espdetach(esc);
428 	bus_release_resource(dev, SYS_RES_MEMORY, rman_get_rid(esc->sc_res),
429 	    esc->sc_res);
449 espattach(struct esp_softc *esc, const struct ncr53c9x_glue *gluep)
451 	struct ncr53c9x_softc *sc = &esc->sc_ncr53c9x;
457 	sc->sc_id = OF_getscsinitid(esc->sc_dev);
460 	device_printf(esc->sc_dev, "%s: sc_id %d, freq %d\n",
468 	if (esc->sc_dma->sc_rev == DMAREV_ESC)
469 		DMA_RESET(esc->sc_dma);
557 					device_printf(esc->sc_dev,
639 	error = lsi64854_attach(esc->sc_dma);
641 		device_printf(esc->sc_dev, "lsi64854_attach failed\n");
647 	if ((esc->sc_irqres = bus_alloc_resource_any(esc->sc_dev, SYS_RES_IRQ,
649 		device_printf(esc->sc_dev, "cannot allocate interrupt\n");
652 	if (bus_setup_intr(esc->sc_dev, esc->sc_irqres,
654 	    &esc->sc_irq)) {
655 		device_printf(esc->sc_dev, "cannot set up interrupt\n");
665 	sc->sc_dev = esc->sc_dev;
668 		device_printf(esc->sc_dev, "ncr53c9x_attach failed\n");
675 	bus_teardown_intr(esc->sc_dev, esc->sc_irqres, esc->sc_irq);
677 	bus_release_resource(esc->sc_dev, SYS_RES_IRQ,
678 	    rman_get_rid(esc->sc_irqres), esc->sc_irqres);
680 	lsi64854_detach(esc->sc_dma);
687 espdetach(struct esp_softc *esc)
689 	struct ncr53c9x_softc *sc = &esc->sc_ncr53c9x;
692 	bus_teardown_intr(esc->sc_dev, esc->sc_irqres, esc->sc_irq);
696 	error = lsi64854_detach(esc->sc_dma);
700 	bus_release_resource(esc->sc_dev, SYS_RES_IRQ,
701 	    rman_get_rid(esc->sc_irqres), esc->sc_irqres);
761 	struct esp_softc *esc = (struct esp_softc *)sc;
764 	v = bus_read_1(esc->sc_res, reg * 4);
778 	struct esp_softc *esc = (struct esp_softc *)sc;
786 	bus_write_1(esc->sc_res, reg * 4, v);
792 	struct esp_softc *esc = (struct esp_softc *)sc;
794 	return (DMA_ISINTR(esc->sc_dma));
800 	struct esp_softc *esc = (struct esp_softc *)sc;
802 	DMA_RESET(esc->sc_dma);
808 	struct esp_softc *esc = (struct esp_softc *)sc;
810 	return (DMA_INTR(esc->sc_dma));
817 	struct esp_softc *esc = (struct esp_softc *)sc;
819 	return (DMA_SETUP(esc->sc_dma, addr, len, datain, dmasize));
825 	struct esp_softc *esc = (struct esp_softc *)sc;
827 	DMA_GO(esc->sc_dma);
833 	struct esp_softc *esc = (struct esp_softc *)sc;
835 	L64854_SCSR(esc->sc_dma, L64854_GCSR(esc->sc_dma) & ~D_EN_DMA);
841 	struct esp_softc *esc = (struct esp_softc *)sc;
843 	return (DMA_ISACTIVE(esc->sc_dma));