C++ (Cpp) dbdma_start Examples

Example #1

File: if_mc.c Project: ryo/netbsd-src

hide void
mc_reset_rxdma(struct mc_softc *sc)
{
	dbdma_command_t *cmd = sc->sc_rxdmacmd;
	dbdma_regmap_t *dmareg = sc->sc_rxdma;
	int i;
	u_int8_t maccc;

	/* Disable receiver, reset the DMA channels */
	maccc = NIC_GET(sc, MACE_MACCC);
	NIC_PUT(sc, MACE_MACCC, maccc & ~ENRCV);

	dbdma_reset(dmareg);

	for (i = 0; i < MC_RXDMABUFS; i++) {
		DBDMA_BUILD(cmd, DBDMA_CMD_IN_LAST, 0, ETHERMTU + 22,
			sc->sc_rxbuf_phys + MC_BUFSIZE * i, DBDMA_INT_ALWAYS,
			DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
		cmd++;
	}

	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
		DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
	out32rb(&cmd->d_cmddep, kvtop((void *)sc->sc_rxdmacmd));
	cmd++;

	dbdma_start(dmareg, sc->sc_rxdmacmd);

	sc->sc_tail = 0;

	/* Reenable receiver, reenable DMA */
	NIC_PUT(sc, MACE_MACCC, maccc);
}

Example #2

File: wdc_obio.c Project: alenichev/openbsd-kernel

void
wdc_obio_dma_start(void *v, int channel, int drive)
{
	struct wdc_obio_softc *sc = v;

	dbdma_start(sc->sc_dmareg, sc->sc_dbdma);
}

Example #3

File: if_bm.c Project: alenichev/openbsd-kernel

void
bmac_init_dma(struct bmac_softc *sc)
{
	dbdma_command_t *cmd = sc->sc_rxcmd;
	int i;

	dbdma_reset(sc->sc_txdma);
	dbdma_reset(sc->sc_rxdma);

	bzero(sc->sc_txcmd, BMAC_TXBUFS * sizeof(dbdma_command_t));
	bzero(sc->sc_rxcmd, (BMAC_RXBUFS + 1) * sizeof(dbdma_command_t));

	for (i = 0; i < BMAC_RXBUFS; i++) {
		DBDMA_BUILD(cmd, DBDMA_CMD_IN_LAST, 0, BMAC_BUFLEN,
			sc->sc_rxbuf_pa + BMAC_BUFLEN * i,
			DBDMA_INT_ALWAYS, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
		cmd++;
	}
	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
		DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
	dbdma_st32(&cmd->d_cmddep, sc->sc_rxdbdma->d_paddr);

	sc->sc_rxlast = 0;

	dbdma_start(sc->sc_rxdma, sc->sc_rxdbdma);
}

Example #4

File: if_mc.c Project: bradla/OpenBSD-Hammer2

void
mc_reset_rxdma(struct mc_softc *sc)
{
	dbdma_command_t *cmd = sc->sc_rxdmacmd;
	int i;
	u_int8_t maccc;

	/* Disable receiver, reset the DMA channels */
	maccc = NIC_GET(sc, MACE_MACCC);
	NIC_PUT(sc, MACE_MACCC, maccc & ~ENRCV);

	dbdma_reset(sc->sc_rxdma);

	bzero(sc->sc_rxdmacmd, 8 * sizeof(dbdma_command_t));
	for (i = 0; i < MC_RXDMABUFS; i++) {
		DBDMA_BUILD(cmd, DBDMA_CMD_IN_LAST, 0, MACE_BUFLEN,
		    sc->sc_rxbuf_pa + MACE_BUFLEN * i, DBDMA_INT_ALWAYS,
		    DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
		cmd++;
	}

	DBDMA_BUILD(cmd, DBDMA_CMD_NOP, 0, 0, 0,
	    DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_ALWAYS);
	dbdma_st32(&cmd->d_cmddep, sc->sc_rxdbdma->d_paddr);
	cmd++;

	sc->sc_tail = 0;

	dbdma_start(sc->sc_rxdma, sc->sc_rxdbdma);
	/* Reenable receiver, reenable DMA */
	NIC_PUT(sc, MACE_MACCC, maccc);
}

Example #5

File: esp.c Project: lacombar/netbsd-alc

void
esp_dma_go(struct ncr53c9x_softc *sc)
{
	struct esp_softc *esc = (struct esp_softc *)sc;

	dbdma_start(esc->sc_dmareg, esc->sc_dmacmd);
	esc->sc_dmaactive = 1;
}

Example #6

File: if_mc.c Project: ryo/netbsd-src

hide void
mc_putpacket(struct mc_softc *sc, u_int len)
{
	dbdma_command_t *cmd = sc->sc_txdmacmd;

	DBDMA_BUILD(cmd, DBDMA_CMD_OUT_LAST, 0, len, sc->sc_txbuf_phys,
		DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);

	dbdma_start(sc->sc_txdma, sc->sc_txdmacmd);
}

Example #7

File: if_bm.c Project: alenichev/openbsd-kernel

void
bmac_transmit_packet(struct bmac_softc *sc, paddr_t pa, int len)
{
	dbdma_command_t *cmd = sc->sc_txcmd;

	DBDMA_BUILD(cmd, DBDMA_CMD_OUT_LAST, 0, len, pa,
		DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
	cmd++;
	DBDMA_BUILD(cmd, DBDMA_CMD_STOP, 0, 0, 0,
		DBDMA_INT_ALWAYS, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);

	dbdma_start(sc->sc_txdma, sc->sc_txdbdma);
}

Example #8

File: if_mc.c Project: bradla/OpenBSD-Hammer2

void
mc_putpacket(struct mc_softc *sc, u_int len)
{
	dbdma_command_t *cmd = sc->sc_txdmacmd;

	DBDMA_BUILD(cmd, DBDMA_CMD_OUT_LAST, 0, len, sc->sc_txbuf_pa,
	   DBDMA_INT_NEVER, DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
	cmd++;
	DBDMA_BUILD(cmd, DBDMA_CMD_STOP, 0, 0, 0, DBDMA_INT_ALWAYS,
	   DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);

	dbdma_start(sc->sc_txdma, sc->sc_txdbdma);
}

Example #9

File: xlights.c Project: bradla/OpenBSD-Hammer2

void
xlights_startdma(struct xlights_softc *sc)
{
	dbdma_command_t *cmdp = sc->sc_dmacmd;

	sc->sc_dmasts = 1;
	timeout_add(&sc->sc_tmo, 250);

	DBDMA_BUILD(cmdp, DBDMA_CMD_OUT_LAST, 0,
	    sc->sc_bufmap->dm_segs[0].ds_len,
	    sc->sc_bufmap->dm_segs[0].ds_addr, DBDMA_INT_ALWAYS,
	    DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);
	cmdp++;

	DBDMA_BUILD(cmdp, DBDMA_CMD_STOP, 0, 0, 0, DBDMA_INT_NEVER,
	    DBDMA_WAIT_NEVER, DBDMA_BRANCH_NEVER);

	dbdma_start(sc->sc_dma, sc->sc_dbdma);
}

Example #10

File: scsi_curio_dbdma.c Project: rohsaini/mkunity

void
scsi_curio_dbdma_start(int unit, boolean_t isread)
{
	dbdma_start(curio_chan, scsi_curio_dbdma_commands);
}