C++ (Cpp) AMCC_READ Examples

Example #1

File: iavc.c Project: Tommmster/netbsd-avr32

int
iavc_b1dma_detect(iavc_softc_t *sc)
{
    AMCC_WRITE(sc, AMCC_MCSR, 0);
    DELAY(10*1000);
    AMCC_WRITE(sc, AMCC_MCSR, 0x0f000000);
    DELAY(10*1000);
    AMCC_WRITE(sc, AMCC_MCSR, 0);
    DELAY(42*1000);

    AMCC_WRITE(sc, AMCC_RXLEN, 0);
    AMCC_WRITE(sc, AMCC_TXLEN, 0);
    sc->sc_csr = 0;
    AMCC_WRITE(sc, AMCC_INTCSR, sc->sc_csr);

    if (AMCC_READ(sc, AMCC_INTCSR) != 0)
	return 1;

    AMCC_WRITE(sc, AMCC_RXPTR, 0xffffffff);
    AMCC_WRITE(sc, AMCC_TXPTR, 0xffffffff);
    if ((AMCC_READ(sc, AMCC_RXPTR) != 0xfffffffc) ||
	(AMCC_READ(sc, AMCC_TXPTR) != 0xfffffffc))
	return 2;

    AMCC_WRITE(sc, AMCC_RXPTR, 0);
    AMCC_WRITE(sc, AMCC_TXPTR, 0);
    if ((AMCC_READ(sc, AMCC_RXPTR) != 0) ||
	(AMCC_READ(sc, AMCC_TXPTR) != 0))
	return 3;

    iavc_write_port(sc, 0x10, 0x00);
    iavc_write_port(sc, 0x07, 0x00);

    iavc_write_port(sc, 0x02, 0x02);
    iavc_write_port(sc, 0x03, 0x02);

    if (((iavc_read_port(sc, 0x02) & 0xfe) != 0x02) ||
	(iavc_read_port(sc, 0x03) != 0x03))
	return 4;

    iavc_write_port(sc, 0x02, 0x00);
    iavc_write_port(sc, 0x03, 0x00);

    if (((iavc_read_port(sc, 0x02) & 0xfe) != 0x00) ||
	(iavc_read_port(sc, 0x03) != 0x01))
	return 5;

    return (0); /* found */
}

Example #2

File: iavc.c Project: Tommmster/netbsd-avr32

int iavc_handle_intr(iavc_softc_t *sc)
{
    u_int32_t status;
    u_int32_t newcsr;

    if (!sc->sc_dma) {
	while (iavc_rx_full(sc))
	    iavc_handle_rx(sc);
	return 0;
    }

    status = AMCC_READ(sc, AMCC_INTCSR);
    if ((status & ANY_S5933_INT) == 0)
	return 0;

    newcsr = sc->sc_csr | (status & ALL_INT);
    if (status & TX_TC_INT) newcsr &= ~EN_TX_TC_INT;
    if (status & RX_TC_INT) newcsr &= ~EN_RX_TC_INT;
    AMCC_WRITE(sc, AMCC_INTCSR, newcsr);
    sc->sc_intr = 1;

    if (status & RX_TC_INT) {
	u_int32_t rxlen;

	bus_dmamap_sync(sc->dmat, sc->rx_map, 0, sc->rx_map->dm_mapsize,
	  BUS_DMASYNC_POSTREAD);

	if (sc->sc_recv1 == 0) {
	    sc->sc_recv1 = *(u_int32_t*)(sc->sc_recvbuf);
	    rxlen = (sc->sc_recv1 + 3) & ~3;

	    AMCC_WRITE(sc, AMCC_RXPTR, sc->rx_map->dm_segs[0].ds_addr);
	    AMCC_WRITE(sc, AMCC_RXLEN, rxlen ? rxlen : 4);
	} else {
	    iavc_handle_rx(sc);
	    sc->sc_recv1 = 0;
	    AMCC_WRITE(sc, AMCC_RXPTR, sc->rx_map->dm_segs[0].ds_addr);
	    AMCC_WRITE(sc, AMCC_RXLEN, 4);
	}
    }

    if (status & TX_TC_INT) {
	bus_dmamap_sync(sc->dmat, sc->tx_map, 0, sc->tx_map->dm_mapsize,
	  BUS_DMASYNC_POSTWRITE);
	sc->sc_csr &= ~EN_TX_TC_INT;
	iavc_start_tx(sc);
    }

    AMCC_WRITE(sc, AMCC_INTCSR, sc->sc_csr);
    sc->sc_intr = 0;

    return 0;
}

Example #3

File: iavc_lli.c Project: UnitedMarsupials/kame

void iavc_handle_intr(iavc_softc_t *sc)
{
    u_int32_t status;
    u_int32_t newcsr;

    if (!sc->sc_dma) {
	while (iavc_rx_full(sc))
	    iavc_handle_rx(sc);
	return;
    }

    status = AMCC_READ(sc, AMCC_INTCSR);
    if ((status & ANY_S5933_INT) == 0)
	return;

    newcsr = sc->sc_csr | (status & ALL_INT);
    if (status & TX_TC_INT) newcsr &= ~EN_TX_TC_INT;
    if (status & RX_TC_INT) newcsr &= ~EN_RX_TC_INT;
    AMCC_WRITE(sc, AMCC_INTCSR, newcsr);
    sc->sc_intr = TRUE;

    if (status & RX_TC_INT) {
	u_int32_t rxlen;

	if (sc->sc_recvlen == 0) {
	    sc->sc_recvlen = *((u_int32_t*)(&sc->sc_recvbuf[0]));
	    rxlen = (sc->sc_recvlen + 3) & ~3;
	    AMCC_WRITE(sc, AMCC_RXPTR, vtophys(&sc->sc_recvbuf[4]));
	    AMCC_WRITE(sc, AMCC_RXLEN, rxlen);
	} else {
	    iavc_handle_rx(sc);
	    sc->sc_recvlen = 0;
	    AMCC_WRITE(sc, AMCC_RXPTR, vtophys(&sc->sc_recvbuf[0]));
	    AMCC_WRITE(sc, AMCC_RXLEN, 4);
	}
    }

    if (status & TX_TC_INT) {
	sc->sc_csr &= ~EN_TX_TC_INT;
	iavc_start_tx(sc);
    }

    AMCC_WRITE(sc, AMCC_INTCSR, sc->sc_csr);
    sc->sc_intr = FALSE;
}