C++ (Cpp) msgdma_reset Examples

Example #1

File: altera_tse.c Project: 0xFelix/u-boot-edminiv2

static void altera_tse_stop_msgdma(struct udevice *dev)
{
	struct altera_tse_priv *priv = dev_get_priv(dev);

	msgdma_reset(priv->sgdma_rx);
	msgdma_reset(priv->sgdma_tx);
}

Example #2

File: msgdma.c Project: FreeBSDFoundation/freebsd

static int
msgdma_attach(device_t dev)
{
	struct msgdma_softc *sc;
	phandle_t xref, node;
	int err;

	sc = device_get_softc(dev);
	sc->dev = dev;

	if (bus_alloc_resources(dev, msgdma_spec, sc->res)) {
		device_printf(dev, "could not allocate resources for device\n");
		return (ENXIO);
	}

	/* CSR memory interface */
	sc->bst = rman_get_bustag(sc->res[0]);
	sc->bsh = rman_get_bushandle(sc->res[0]);

	/* Descriptor memory interface */
	sc->bst_d = rman_get_bustag(sc->res[1]);
	sc->bsh_d = rman_get_bushandle(sc->res[1]);

	/* Setup interrupt handler */
	err = bus_setup_intr(dev, sc->res[2], INTR_TYPE_MISC | INTR_MPSAFE,
	    NULL, msgdma_intr, sc, &sc->ih);
	if (err) {
		device_printf(dev, "Unable to alloc interrupt resource.\n");
		return (ENXIO);
	}

	node = ofw_bus_get_node(dev);
	xref = OF_xref_from_node(node);
	OF_device_register_xref(xref, dev);

	if (msgdma_reset(sc) != 0)
		return (-1);

	WRITE4(sc, DMA_CONTROL, CONTROL_GIEM);

	return (0);
}