C++ (Cpp) ioasic_intr_establish Examples

Example #1

void
dt_attach(device_t parent, device_t self, void *aux)
{
	struct ioasicdev_attach_args *d;
	struct dt_attach_args dta;
	struct dt_softc *sc;
	struct dt_msg *msg;
	int i;

	d = aux;
	sc = device_private(self);
	sc->sc_dev = self;

	dt_cninit();

	msg = malloc(sizeof(*msg) * DT_BUF_CNT, M_DEVBUF, M_NOWAIT);
	if (msg == NULL) {
		printf("%s: memory exhausted\n", device_xname(self));
		return;
	}

	sc->sc_sih = softint_establish(SOFTINT_SERIAL, dt_dispatch, sc);
	if (sc->sc_sih == NULL) {
		printf("%s: memory exhausted\n", device_xname(self));
		free(msg, M_DEVBUF);
	}

	SIMPLEQ_INIT(&sc->sc_queue);
	SLIST_INIT(&sc->sc_free);
	for (i = 0; i < DT_BUF_CNT; i++, msg++)
		SLIST_INSERT_HEAD(&sc->sc_free, msg, chain.slist);

	ioasic_intr_establish(parent, d->iada_cookie, TC_IPL_TTY, dt_intr, sc);
	printf("\n");

	dta.dta_addr = DT_ADDR_KBD;
	config_found(self, &dta, dt_print);
	dta.dta_addr = DT_ADDR_MOUSE;
	config_found(self, &dta, dt_print);
}

Example #2

File: if_le_ioasic.c Project: sofuture/bitrig

void
le_ioasic_attach(struct device *parent, struct device *self, void *aux)
{
	struct le_ioasic_softc *sc = (void *)self;
	struct ioasicdev_attach_args *d = aux;
	struct am7990_softc *le = &sc->sc_am7990;
	bus_space_tag_t ioasic_bst;
	bus_space_handle_t ioasic_bsh;
	bus_dma_tag_t dmat;
	bus_dma_segment_t seg;
	tc_addr_t tca;
	u_int32_t ssr;
	int rseg;
	caddr_t le_iomem;

	ioasic_bst = ((struct ioasic_softc *)parent)->sc_bst;
	ioasic_bsh = ((struct ioasic_softc *)parent)->sc_bsh;
	dmat = sc->sc_dmat = ((struct ioasic_softc *)parent)->sc_dmat;
	/*
	 * Allocate a DMA area for the chip.
	 */
	if (bus_dmamem_alloc(dmat, LE_IOASIC_MEMSIZE, LE_IOASIC_MEMALIGN,
	    0, &seg, 1, &rseg, BUS_DMA_NOWAIT)) {
		printf("can't allocate DMA area for LANCE\n");
		return;
	}
	if (bus_dmamem_map(dmat, &seg, rseg, LE_IOASIC_MEMSIZE,
	    &le_iomem, BUS_DMA_NOWAIT|BUS_DMA_COHERENT)) {
		printf("can't map DMA area for LANCE\n");
		bus_dmamem_free(dmat, &seg, rseg);
		return;
	}
	/*
	 * Create and load the DMA map for the DMA area.
	 */
	if (bus_dmamap_create(dmat, LE_IOASIC_MEMSIZE, 1,
	    LE_IOASIC_MEMSIZE, 0, BUS_DMA_NOWAIT, &sc->sc_dmamap)) {
		printf("can't create DMA map\n");
		goto bad;
	}
	if (bus_dmamap_load(dmat, sc->sc_dmamap,
	    le_iomem, LE_IOASIC_MEMSIZE, NULL, BUS_DMA_NOWAIT)) {
		printf("can't load DMA map\n");
		goto bad;
	}
	/*
	 * Bind 128KB buffer with IOASIC DMA.
	 */
	tca = IOASIC_DMA_ADDR(sc->sc_dmamap->dm_segs[0].ds_addr);
	bus_space_write_4(ioasic_bst, ioasic_bsh, IOASIC_LANCE_DMAPTR, tca);
	ssr = bus_space_read_4(ioasic_bst, ioasic_bsh, IOASIC_CSR);
	ssr |= IOASIC_CSR_DMAEN_LANCE;
	bus_space_write_4(ioasic_bst, ioasic_bsh, IOASIC_CSR, ssr);

	sc->sc_r1 = (struct lereg1 *)
		TC_DENSE_TO_SPARSE(TC_PHYS_TO_UNCACHED(d->iada_addr));
	le->sc_mem = (void *)TC_PHYS_TO_UNCACHED(le_iomem);
	le->sc_copytodesc = le_ioasic_copytobuf_gap2;
	le->sc_copyfromdesc = le_ioasic_copyfrombuf_gap2;
	le->sc_copytobuf = le_ioasic_copytobuf_gap16;
	le->sc_copyfrombuf = le_ioasic_copyfrombuf_gap16;
	le->sc_zerobuf = le_ioasic_zerobuf_gap16;

	dec_le_common_attach(&sc->sc_am7990,
	    (u_char *)((struct ioasic_softc *)parent)->sc_base
	        + IOASIC_SLOT_2_START);

	ioasic_intr_establish(parent, d->iada_cookie, IPL_NET,
	    am7990_intr, sc, self->dv_xname);
	return;

 bad:
	bus_dmamem_unmap(dmat, le_iomem, LE_IOASIC_MEMSIZE);
	bus_dmamem_free(dmat, &seg, rseg);
}