C++ sca_out函数代码示例

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本文整理汇总了C++中sca_out函数的典型用法代码示例。如果您正苦于以下问题：C++ sca_out函数的具体用法？C++ sca_out怎么用？C++ sca_out使用的例子？那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。

在下文中一共展示了sca_out函数的20个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于我们的系统推荐出更棒的C++代码示例。

示例1: c101_set_iface

static void c101_set_iface(port_t *port)
{
	u8 rxs = port->rxs & CLK_BRG_MASK;
	u8 txs = port->txs & CLK_BRG_MASK;

	switch(port->settings.clock_type) {
	case CLOCK_INT:
		rxs |= CLK_BRG_RX; /* TX clock */
		txs |= CLK_RXCLK_TX; /* BRG output */
		break;

	case CLOCK_TXINT:
		rxs |= CLK_LINE_RX; /* RXC input */
		txs |= CLK_BRG_TX; /* BRG output */
		break;

	case CLOCK_TXFROMRX:
		rxs |= CLK_LINE_RX; /* RXC input */
		txs |= CLK_RXCLK_TX; /* RX clock */
		break;

	default:	/* EXTernal clock */
		rxs |= CLK_LINE_RX; /* RXC input */
		txs |= CLK_LINE_TX; /* TXC input */
	}

	port->rxs = rxs;
	port->txs = txs;
	sca_out(rxs, MSCI1_OFFSET + RXS, port);
	sca_out(txs, MSCI1_OFFSET + TXS, port);
	sca_set_port(port);
}

开发者ID:E-LLP，项目名称:n900，代码行数:32，代码来源:c101.c

示例2: sca_rx_done

/* Receive DMA service */
static inline int sca_rx_done(port_t *port, int budget)
{
	struct net_device *dev = port->netdev;
	u16 dmac = get_dmac_rx(port);
	card_t *card = port->card;
	u8 stat = sca_in(DSR_RX(port->chan), card); /* read DMA Status */
	int received = 0;

	/* Reset DSR status bits */
	sca_out((stat & (DSR_EOT | DSR_EOM | DSR_BOF | DSR_COF)) | DSR_DWE,
		DSR_RX(port->chan), card);

	if (stat & DSR_BOF)
		/* Dropped one or more frames */
		dev->stats.rx_over_errors++;

	while (received < budget) {
		u32 desc_off = hd_desc_offset(port, port->rxin, 0);
		pkt_desc __iomem *desc;
		u32 cda = sca_inl(dmac + CDAL, card);

		if ((cda >= desc_off) && (cda < desc_off + sizeof(pkt_desc)))
			break;	/* No frame received */

		desc = desc_address(port, port->rxin, 0);
		stat = readb(&desc->stat);
		if (!(stat & ST_RX_EOM))
			port->rxpart = 1; /* partial frame received */
		else if ((stat & ST_ERROR_MASK) || port->rxpart) {
			dev->stats.rx_errors++;
			if (stat & ST_RX_OVERRUN)
				dev->stats.rx_fifo_errors++;
			else if ((stat & (ST_RX_SHORT | ST_RX_ABORT |
					  ST_RX_RESBIT)) || port->rxpart)
				dev->stats.rx_frame_errors++;
			else if (stat & ST_RX_CRC)
				dev->stats.rx_crc_errors++;
			if (stat & ST_RX_EOM)
				port->rxpart = 0; /* received last fragment */
		} else {
			sca_rx(card, port, desc, port->rxin);
			received++;
		}

		/* Set new error descriptor address */
		sca_outl(desc_off, dmac + EDAL, card);
		port->rxin = (port->rxin + 1) % card->rx_ring_buffers;
	}

	/* make sure RX DMA is enabled */
	sca_out(DSR_DE, DSR_RX(port->chan), card);
	return received;
}

开发者ID:STS-Dev-Team，项目名称:kernel_mapphone_kexec，代码行数:54，代码来源:hd64572.c

示例3: sca_rx_intr

static inline void sca_rx_intr(port_t *port)
{
    struct net_device *dev = port_to_dev(port);
    u16 dmac = get_dmac_rx(port);
    card_t *card = port_to_card(port);
    u8 stat = sca_in(DSR_RX(phy_node(port)), card);


    sca_out((stat & (DSR_EOT | DSR_EOM | DSR_BOF | DSR_COF)) | DSR_DWE,
            DSR_RX(phy_node(port)), card);

    if (stat & DSR_BOF)

        dev->stats.rx_over_errors++;

    while (1) {
        u32 desc_off = desc_offset(port, port->rxin, 0);
        pkt_desc __iomem *desc;
        u32 cda = sca_inw(dmac + CDAL, card);

        if ((cda >= desc_off) && (cda < desc_off + sizeof(pkt_desc)))
            break;

        desc = desc_address(port, port->rxin, 0);
        stat = readb(&desc->stat);
        if (!(stat & ST_RX_EOM))
            port->rxpart = 1;
        else if ((stat & ST_ERROR_MASK) || port->rxpart) {
            dev->stats.rx_errors++;
            if (stat & ST_RX_OVERRUN)
                dev->stats.rx_fifo_errors++;
            else if ((stat & (ST_RX_SHORT | ST_RX_ABORT |
                              ST_RX_RESBIT)) || port->rxpart)
                dev->stats.rx_frame_errors++;
            else if (stat & ST_RX_CRC)
                dev->stats.rx_crc_errors++;
            if (stat & ST_RX_EOM)
                port->rxpart = 0;
        } else
            sca_rx(card, port, desc, port->rxin);


        sca_outw(desc_off, dmac + EDAL, card);
        port->rxin = next_desc(port, port->rxin, 0);
    }


    sca_out(DSR_DE, DSR_RX(phy_node(port)), card);
}

开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:49，代码来源:hd64570.c

示例4: sca_rx_intr

/* Receive DMA interrupt service */
static inline void sca_rx_intr(port_t *port)
{
	struct net_device *dev = port_to_dev(port);
	u16 dmac = get_dmac_rx(port);
	card_t *card = port_to_card(port);
	u8 stat = sca_in(DSR_RX(phy_node(port)), card); /* read DMA Status */

	/* Reset DSR status bits */
	sca_out((stat & (DSR_EOT | DSR_EOM | DSR_BOF | DSR_COF)) | DSR_DWE,
		DSR_RX(phy_node(port)), card);

	if (stat & DSR_BOF)
		/* Dropped one or more frames */
		dev->stats.rx_over_errors++;

	while (1) {
		u32 desc_off = desc_offset(port, port->rxin, 0);
		pkt_desc __iomem *desc;
		u32 cda = sca_inw(dmac + CDAL, card);

		if ((cda >= desc_off) && (cda < desc_off + sizeof(pkt_desc)))
			break;	/* No frame received */

		desc = desc_address(port, port->rxin, 0);
		stat = readb(&desc->stat);
		if (!(stat & ST_RX_EOM))
			port->rxpart = 1; /* partial frame received */
		else if ((stat & ST_ERROR_MASK) || port->rxpart) {
			dev->stats.rx_errors++;
			if (stat & ST_RX_OVERRUN)
				dev->stats.rx_fifo_errors++;
			else if ((stat & (ST_RX_SHORT | ST_RX_ABORT |
					  ST_RX_RESBIT)) || port->rxpart)
				dev->stats.rx_frame_errors++;
			else if (stat & ST_RX_CRC)
				dev->stats.rx_crc_errors++;
			if (stat & ST_RX_EOM)
				port->rxpart = 0; /* received last fragment */
		} else
			sca_rx(card, port, desc, port->rxin);

		/* Set new error descriptor address */
		sca_outw(desc_off, dmac + EDAL, card);
		port->rxin = next_desc(port, port->rxin, 0);
	}

	/* make sure RX DMA is enabled */
	sca_out(DSR_DE, DSR_RX(phy_node(port)), card);
}

开发者ID:020gzh，项目名称:linux，代码行数:50，代码来源:hd64570.c

示例5: sca_tx_done

/* Transmit DMA service */
static inline void sca_tx_done(port_t *port)
{
	struct net_device *dev = port->netdev;
	card_t* card = port->card;
	u8 stat;

	spin_lock(&port->lock);

	stat = sca_in(DSR_TX(port->chan), card); /* read DMA Status */

	/* Reset DSR status bits */
	sca_out((stat & (DSR_EOT | DSR_EOM | DSR_BOF | DSR_COF)) | DSR_DWE,
		DSR_TX(port->chan), card);

	while (1) {
		pkt_desc __iomem *desc = desc_address(port, port->txlast, 1);
		u8 stat = readb(&desc->stat);

		if (!(stat & ST_TX_OWNRSHP))
			break; /* not yet transmitted */
		if (stat & ST_TX_UNDRRUN) {
			dev->stats.tx_errors++;
			dev->stats.tx_fifo_errors++;
		} else {
			dev->stats.tx_packets++;
			dev->stats.tx_bytes += readw(&desc->len);
		}
		writeb(0, &desc->stat);	/* Free descriptor */
		port->txlast = (port->txlast + 1) % card->tx_ring_buffers;
	}

	netif_wake_queue(dev);
	spin_unlock(&port->lock);
}

开发者ID:STS-Dev-Team，项目名称:kernel_mapphone_kexec，代码行数:35，代码来源:hd64572.c

示例6: sca_tx_intr

/* Transmit DMA interrupt service */
static inline void sca_tx_intr(port_t *port)
{
	struct net_device *dev = port_to_dev(port);
	u16 dmac = get_dmac_tx(port);
	card_t* card = port_to_card(port);
	u8 stat;

	spin_lock(&port->lock);

	stat = sca_in(DSR_TX(phy_node(port)), card); /* read DMA Status */

	/* Reset DSR status bits */
	sca_out((stat & (DSR_EOT | DSR_EOM | DSR_BOF | DSR_COF)) | DSR_DWE,
		DSR_TX(phy_node(port)), card);

	while (1) {
		pkt_desc __iomem *desc;

		u32 desc_off = desc_offset(port, port->txlast, 1);
		u32 cda = sca_inw(dmac + CDAL, card);
		if ((cda >= desc_off) && (cda < desc_off + sizeof(pkt_desc)))
			break;	/* Transmitter is/will_be sending this frame */

		desc = desc_address(port, port->txlast, 1);
		dev->stats.tx_packets++;
		dev->stats.tx_bytes += readw(&desc->len);
		writeb(0, &desc->stat);	/* Free descriptor */
		port->txlast = next_desc(port, port->txlast, 1);
	}

	netif_wake_queue(dev);
	spin_unlock(&port->lock);
}

开发者ID:020gzh，项目名称:linux，代码行数:34，代码来源:hd64570.c

示例7: pc300_set_iface

static void pc300_set_iface(port_t *port)
{
	card_t *card = port->card;
	u32 __iomem * init_ctrl = &card->plxbase->init_ctrl;
	u16 msci = get_msci(port);
	u8 rxs = port->rxs & CLK_BRG_MASK;
	u8 txs = port->txs & CLK_BRG_MASK;

	sca_out(EXS_TES1, (port->chan ? MSCI1_OFFSET : MSCI0_OFFSET) + EXS,
		port->card);
	switch(port->settings.clock_type) {
	case CLOCK_INT:
		rxs |= CLK_BRG; /* BRG output */
		txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */
		break;

	case CLOCK_TXINT:
		rxs |= CLK_LINE; /* RXC input */
		txs |= CLK_PIN_OUT | CLK_BRG; /* BRG output */
		break;

	case CLOCK_TXFROMRX:
		rxs |= CLK_LINE; /* RXC input */
		txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */
		break;

	default:		/* EXTernal clock */
		rxs |= CLK_LINE; /* RXC input */
		txs |= CLK_PIN_OUT | CLK_LINE; /* TXC input */
		break;
	}

	port->rxs = rxs;
	port->txs = txs;
	sca_out(rxs, msci + RXS, card);
	sca_out(txs, msci + TXS, card);
	sca_set_port(port);

	if (port->card->type == PC300_RSV) {
		if (port->iface == IF_IFACE_V35)
			writel(card->init_ctrl_value |
			       PC300_CHMEDIA_MASK(port->chan), init_ctrl);
		else
			writel(card->init_ctrl_value &
			       ~PC300_CHMEDIA_MASK(port->chan), init_ctrl);
	}
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:47，代码来源:pc300too.c

示例8: c101_close

static int c101_close(struct net_device *dev)
{
	port_t *port = dev_to_port(dev);

	sca_close(dev);
	writeb(0, port->win0base + C101_DTR);
	sca_out(CTL_NORTS, MSCI1_OFFSET + CTL, port);
	hdlc_close(dev);
	return 0;
}

开发者ID:E-LLP，项目名称:n900，代码行数:10，代码来源:c101.c

示例9: sca_msci_intr

static void sca_msci_intr(port_t *port)
{
	u8 stat = sca_in(MSCI0_OFFSET + ST1, port); /* read MSCI ST1 status */

	/* Reset MSCI TX underrun and CDCD (ignored) status bit */
	sca_out(stat & (ST1_UDRN | ST1_CDCD), MSCI0_OFFSET + ST1, port);

	if (stat & ST1_UDRN) {
		/* TX Underrun error detected */
		port_to_dev(port)->stats.tx_errors++;
		port_to_dev(port)->stats.tx_fifo_errors++;
	}

	stat = sca_in(MSCI1_OFFSET + ST1, port); /* read MSCI1 ST1 status */
	/* Reset MSCI CDCD status bit - uses ch#2 DCD input */
	sca_out(stat & ST1_CDCD, MSCI1_OFFSET + ST1, port);

	if (stat & ST1_CDCD)
		set_carrier(port);
}

开发者ID:E-LLP，项目名称:n900，代码行数:20，代码来源:c101.c

示例10: sca_msci_intr

/* MSCI interrupt service */
static inline void sca_msci_intr(port_t *port)
{
	u16 msci = get_msci(port);
	card_t* card = port->card;

	if (sca_in(msci + ST1, card) & ST1_CDCD) {
		/* Reset MSCI CDCD status bit */
		sca_out(ST1_CDCD, msci + ST1, card);
		sca_set_carrier(port);
	}
}

开发者ID:STS-Dev-Team，项目名称:kernel_mapphone_kexec，代码行数:12，代码来源:hd64572.c

示例11: n2_set_iface

static void n2_set_iface(port_t *port)
{
    card_t *card = port->card;
    int io = card->io;
    u8 mcr = inb(io + N2_MCR);
    u8 msci = get_msci(port);
    u8 rxs = port->rxs & CLK_BRG_MASK;
    u8 txs = port->txs & CLK_BRG_MASK;

    switch(port->settings.clock_type) {
    case CLOCK_INT:
        mcr |= port->phy_node ? CLOCK_OUT_PORT1 : CLOCK_OUT_PORT0;
        rxs |= CLK_BRG_RX; /* BRG output */
        txs |= CLK_RXCLK_TX; /* RX clock */
        break;

    case CLOCK_TXINT:
        mcr |= port->phy_node ? CLOCK_OUT_PORT1 : CLOCK_OUT_PORT0;
        rxs |= CLK_LINE_RX; /* RXC input */
        txs |= CLK_BRG_TX; /* BRG output */
        break;

    case CLOCK_TXFROMRX:
        mcr |= port->phy_node ? CLOCK_OUT_PORT1 : CLOCK_OUT_PORT0;
        rxs |= CLK_LINE_RX; /* RXC input */
        txs |= CLK_RXCLK_TX; /* RX clock */
        break;

    default:		/* Clock EXTernal */
        mcr &= port->phy_node ? ~CLOCK_OUT_PORT1 : ~CLOCK_OUT_PORT0;
        rxs |= CLK_LINE_RX; /* RXC input */
        txs |= CLK_LINE_TX; /* TXC input */
    }

    outb(mcr, io + N2_MCR);
    port->rxs = rxs;
    port->txs = txs;
    sca_out(rxs, msci + RXS, card);
    sca_out(txs, msci + TXS, card);
    sca_set_port(port);
}

开发者ID:mrtos，项目名称:Logitech-Revue，代码行数:41，代码来源:n2.c

示例12: c101_open

static int c101_open(struct net_device *dev)
{
	port_t *port = dev_to_port(dev);
	int result;

	result = hdlc_open(dev);
	if (result)
		return result;

	writeb(1, port->win0base + C101_DTR);
	sca_out(0, MSCI1_OFFSET + CTL, port); /* RTS uses ch#2 output */
	sca_open(dev);
	/* DCD is connected to port 2 [email protected]#$%^& - disable MSCI0 CDCD interrupt */
	sca_out(IE1_UDRN, MSCI0_OFFSET + IE1, port);
	sca_out(IE0_TXINT, MSCI0_OFFSET + IE0, port);

	set_carrier(port);

	/* enable MSCI1 CDCD interrupt */
	sca_out(IE1_CDCD, MSCI1_OFFSET + IE1, port);
	sca_out(IE0_RXINTA, MSCI1_OFFSET + IE0, port);
	sca_out(0x48, IER0, port); /* TXINT #0 and RXINT #1 */
	c101_set_iface(port);
	return 0;
}

开发者ID:E-LLP，项目名称:n900，代码行数:25，代码来源:c101.c

示例13: pci200_set_iface

static void pci200_set_iface(port_t *port)
{
	card_t *card = port->card;
	u16 msci = get_msci(port);
	u8 rxs = port->rxs & CLK_BRG_MASK;
	u8 txs = port->txs & CLK_BRG_MASK;

	sca_out(EXS_TES1, (port->chan ? MSCI1_OFFSET : MSCI0_OFFSET) + EXS,
		port->card);
	switch(port->settings.clock_type) {
	case CLOCK_INT:
		rxs |= CLK_BRG; /* BRG output */
		txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */
		break;

	case CLOCK_TXINT:
		rxs |= CLK_LINE; /* RXC input */
		txs |= CLK_PIN_OUT | CLK_BRG; /* BRG output */
		break;

	case CLOCK_TXFROMRX:
		rxs |= CLK_LINE; /* RXC input */
		txs |= CLK_PIN_OUT | CLK_TX_RXCLK; /* RX clock */
		break;

	default:		/* EXTernal clock */
		rxs |= CLK_LINE; /* RXC input */
		txs |= CLK_PIN_OUT | CLK_LINE; /* TXC input */
		break;
	}

	port->rxs = rxs;
	port->txs = txs;
	sca_out(rxs, msci + RXS, card);
	sca_out(txs, msci + TXS, card);
	sca_set_port(port);
}

开发者ID:laudarch，项目名称:simcom-linux-kernel，代码行数:37，代码来源:pci200syn.c

示例14: sca_msci_intr

static inline void sca_msci_intr(port_t *port)
{
    u16 msci = get_msci(port);
    card_t* card = port_to_card(port);
    u8 stat = sca_in(msci + ST1, card);


    sca_out(stat & (ST1_UDRN | ST1_CDCD), msci + ST1, card);

    if (stat & ST1_UDRN) {

        port_to_dev(port)->stats.tx_errors++;
        port_to_dev(port)->stats.tx_fifo_errors++;
    }

    if (stat & ST1_CDCD)
        sca_set_carrier(port);
}

开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:18，代码来源:hd64570.c

示例15: sca_msci_intr

/* MSCI interrupt service */
static inline void sca_msci_intr(port_t *port)
{
	u16 msci = get_msci(port);
	card_t* card = port_to_card(port);
	u8 stat = sca_in(msci + ST1, card); /* read MSCI ST1 status */

	/* Reset MSCI TX underrun and CDCD status bit */
	sca_out(stat & (ST1_UDRN | ST1_CDCD), msci + ST1, card);

	if (stat & ST1_UDRN) {
		/* TX Underrun error detected */
		port_to_dev(port)->stats.tx_errors++;
		port_to_dev(port)->stats.tx_fifo_errors++;
	}

	if (stat & ST1_CDCD)
		sca_set_carrier(port);
}

开发者ID:020gzh，项目名称:linux，代码行数:19，代码来源:hd64570.c

示例16: sca_msci_intr

/* MSCI interrupt service */
static inline void sca_msci_intr(port_t *port)
{
	u16 msci = get_msci(port);
	card_t* card = port_to_card(port);
	u8 stat = sca_in(msci + ST1, card); /* read MSCI ST1 status */

	/* Reset MSCI TX underrun and CDCD status bit */
	sca_out(stat & (ST1_UDRN | ST1_CDCD), msci + ST1, card);

	if (stat & ST1_UDRN) {
		struct net_device_stats *stats = hdlc_stats(port_to_dev(port));
		stats->tx_errors++; /* TX Underrun error detected */
		stats->tx_fifo_errors++;
	}

	if (stat & ST1_CDCD)
		hdlc_set_carrier(!(sca_in(msci + ST3, card) & ST3_DCD),
				 port_to_dev(port));
}

开发者ID:Antonio-Zhou，项目名称:Linux-2.6.11，代码行数:20，代码来源:hd6457x.c

示例17: close_port

static __inline__ void close_port(port_t *port)
{
	writeb(0, port->win0base+C101_DTR);
	sca_out(CTL_NORTS, MSCI1_OFFSET + CTL, port);
}

开发者ID:chinnyannieb，项目名称:empeg-hijack，代码行数:5，代码来源:c101.c

示例18: sca_init_port

static void sca_init_port(port_t *port)
{
    card_t *card = port_to_card(port);
    int transmit, i;

    port->rxin = 0;
    port->txin = 0;
    port->txlast = 0;

#ifndef PAGE0_ALWAYS_MAPPED
    openwin(card, 0);
#endif

    for (transmit = 0; transmit < 2; transmit++) {
        u16 dmac = transmit ? get_dmac_tx(port) : get_dmac_rx(port);
        u16 buffs = transmit ? card->tx_ring_buffers
                    : card->rx_ring_buffers;

        for (i = 0; i < buffs; i++) {
            pkt_desc __iomem *desc = desc_address(port, i, transmit);
            u16 chain_off = desc_offset(port, i + 1, transmit);
            u32 buff_off = buffer_offset(port, i, transmit);

            writew(chain_off, &desc->cp);
            writel(buff_off, &desc->bp);
            writew(0, &desc->len);
            writeb(0, &desc->stat);
        }


        sca_out(0, transmit ? DSR_TX(phy_node(port)) :
                DSR_RX(phy_node(port)), card);

        sca_out(DCR_ABORT, transmit ? DCR_TX(phy_node(port)) :
                DCR_RX(phy_node(port)), card);


        sca_out(0, dmac + CPB, card);
        sca_outw(desc_offset(port, 0, transmit), dmac + CDAL, card);
        if (!transmit)
            sca_outw(desc_offset(port, buffs - 1, transmit),
                     dmac + EDAL, card);
        else
            sca_outw(desc_offset(port, 0, transmit), dmac + EDAL,
                     card);


        sca_out(DCR_CLEAR_EOF, transmit ? DCR_TX(phy_node(port)) :
                DCR_RX(phy_node(port)), card);

        if (!transmit) {

            sca_outw(HDLC_MAX_MRU, dmac + BFLL, card);

            sca_out(0x14, DMR_RX(phy_node(port)), card);
            sca_out(DIR_EOME | DIR_BOFE, DIR_RX(phy_node(port)),
                    card);

            sca_out(DSR_DE, DSR_RX(phy_node(port)), card);
        } else {

            sca_out(0x14, DMR_TX(phy_node(port)), card);

            sca_out(DIR_BOFE, DIR_TX(phy_node(port)), card);
        }
    }
    sca_set_carrier(port);
}

开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:68，代码来源:hd64570.c

示例19: sca_init_port

static void sca_init_port(port_t *port)
{
	card_t *card = port_to_card(port);
	int transmit, i;

	port->rxin = 0;
	port->txin = 0;
	port->txlast = 0;

#ifndef PAGE0_ALWAYS_MAPPED
	openwin(card, 0);
#endif

	for (transmit = 0; transmit < 2; transmit++) {
		u16 dmac = transmit ? get_dmac_tx(port) : get_dmac_rx(port);
		u16 buffs = transmit ? card->tx_ring_buffers
			: card->rx_ring_buffers;

		for (i = 0; i < buffs; i++) {
			pkt_desc __iomem *desc = desc_address(port, i, transmit);
			u16 chain_off = desc_offset(port, i + 1, transmit);
			u32 buff_off = buffer_offset(port, i, transmit);

			writew(chain_off, &desc->cp);
			writel(buff_off, &desc->bp);
			writew(0, &desc->len);
			writeb(0, &desc->stat);
		}

		/* DMA disable - to halt state */
		sca_out(0, transmit ? DSR_TX(phy_node(port)) :
			DSR_RX(phy_node(port)), card);
		/* software ABORT - to initial state */
		sca_out(DCR_ABORT, transmit ? DCR_TX(phy_node(port)) :
			DCR_RX(phy_node(port)), card);

		/* current desc addr */
		sca_out(0, dmac + CPB, card); /* pointer base */
		sca_outw(desc_offset(port, 0, transmit), dmac + CDAL, card);
		if (!transmit)
			sca_outw(desc_offset(port, buffs - 1, transmit),
				 dmac + EDAL, card);
		else
			sca_outw(desc_offset(port, 0, transmit), dmac + EDAL,
				 card);

		/* clear frame end interrupt counter */
		sca_out(DCR_CLEAR_EOF, transmit ? DCR_TX(phy_node(port)) :
			DCR_RX(phy_node(port)), card);

		if (!transmit) { /* Receive */
			/* set buffer length */
			sca_outw(HDLC_MAX_MRU, dmac + BFLL, card);
			/* Chain mode, Multi-frame */
			sca_out(0x14, DMR_RX(phy_node(port)), card);
			sca_out(DIR_EOME | DIR_BOFE, DIR_RX(phy_node(port)),
				card);
			/* DMA enable */
			sca_out(DSR_DE, DSR_RX(phy_node(port)), card);
		} else {	/* Transmit */
			/* Chain mode, Multi-frame */
			sca_out(0x14, DMR_TX(phy_node(port)), card);
			/* enable underflow interrupts */
			sca_out(DIR_BOFE, DIR_TX(phy_node(port)), card);
		}
	}
	sca_set_carrier(port);
}

开发者ID:020gzh，项目名称:linux，代码行数:68，代码来源:hd64570.c

示例20: pc300_pci_init_one


//.........这里部分代码省略.........
	readl(p);		/* Flush the write - do not use sca_flush */
	udelay(1);

	writel(card->init_ctrl_value, p);
	readl(p);		/* Flush the write - do not use sca_flush */
	udelay(1);

	/* Reload Config. Registers from EEPROM */
	writel(card->init_ctrl_value | 0x20000000, p);
	readl(p);		/* Flush the write - do not use sca_flush */
	udelay(1);

	writel(card->init_ctrl_value, p);
	readl(p);		/* Flush the write - do not use sca_flush */
	udelay(1);

	ramsize = sca_detect_ram(card, card->rambase,
				 pci_resource_len(pdev, 3));

	if (use_crystal_clock)
		card->init_ctrl_value &= ~PC300_CLKSEL_MASK;
	else
		card->init_ctrl_value |= PC300_CLKSEL_MASK;

	writel(card->init_ctrl_value, &card->plxbase->init_ctrl);
	/* number of TX + RX buffers for one port */
	i = ramsize / (card->n_ports * (sizeof(pkt_desc) + HDLC_MAX_MRU));
	card->tx_ring_buffers = min(i / 2, MAX_TX_BUFFERS);
	card->rx_ring_buffers = i - card->tx_ring_buffers;

	card->buff_offset = card->n_ports * sizeof(pkt_desc) *
		(card->tx_ring_buffers + card->rx_ring_buffers);

	printk(KERN_INFO "pc300: PC300/%s, %u KB RAM at 0x%x, IRQ%u, "
	       "using %u TX + %u RX packets rings\n",
	       card->type == PC300_X21 ? "X21" :
	       card->type == PC300_TE ? "TE" : "RSV",
	       ramsize / 1024, ramphys, pdev->irq,
	       card->tx_ring_buffers, card->rx_ring_buffers);

	if (card->tx_ring_buffers < 1) {
		printk(KERN_ERR "pc300: RAM test failed\n");
		pc300_pci_remove_one(pdev);
		return -EFAULT;
	}

	/* Enable interrupts on the PCI bridge, LINTi1 active low */
	writew(0x0041, &card->plxbase->intr_ctrl_stat);

	/* Allocate IRQ */
	if (request_irq(pdev->irq, sca_intr, IRQF_SHARED, "pc300", card)) {
		printk(KERN_WARNING "pc300: could not allocate IRQ%d.\n",
		       pdev->irq);
		pc300_pci_remove_one(pdev);
		return -EBUSY;
	}
	card->irq = pdev->irq;

	sca_init(card, 0);

	// COTE not set - allows better TX DMA settings
	// sca_out(sca_in(PCR, card) | PCR_COTE, PCR, card);

	sca_out(0x10, BTCR, card);

	for (i = 0; i < card->n_ports; i++) {
		port_t *port = &card->ports[i];
		struct net_device *dev = port->netdev;
		hdlc_device *hdlc = dev_to_hdlc(dev);
		port->chan = i;

		spin_lock_init(&port->lock);
		dev->irq = card->irq;
		dev->mem_start = ramphys;
		dev->mem_end = ramphys + ramsize - 1;
		dev->tx_queue_len = 50;
		dev->netdev_ops = &pc300_ops;
		hdlc->attach = sca_attach;
		hdlc->xmit = sca_xmit;
		port->settings.clock_type = CLOCK_EXT;
		port->card = card;
		if (card->type == PC300_X21)
			port->iface = IF_IFACE_X21;
		else
			port->iface = IF_IFACE_V35;

		sca_init_port(port);
		if (register_hdlc_device(dev)) {
			printk(KERN_ERR "pc300: unable to register hdlc "
			       "device\n");
			port->card = NULL;
			pc300_pci_remove_one(pdev);
			return -ENOBUFS;
		}

		printk(KERN_INFO "%s: PC300 channel %d\n",
		       dev->name, port->chan);
	}
	return 0;
}

开发者ID:andi34，项目名称:Dhollmen_Kernel，代码行数:101，代码来源:pc300too.c

注：本文中的sca_out函数示例由纯净天空整理自Github/MSDocs等源码及文档管理平台，相关代码片段筛选自各路编程大神贡献的开源项目，源码版权归原作者所有，传播和使用请参考对应项目的License；未经允许，请勿转载。

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C++ sca_out函数代码示例

示例1: c101_set_iface

示例2: sca_rx_done

示例3: sca_rx_intr

示例4: sca_rx_intr

示例5: sca_tx_done

示例6: sca_tx_intr

示例7: pc300_set_iface

示例8: c101_close

示例9: sca_msci_intr

示例10: sca_msci_intr

示例11: n2_set_iface

示例12: c101_open

示例13: pci200_set_iface

示例14: sca_msci_intr

示例15: sca_msci_intr

示例16: sca_msci_intr

示例17: close_port

示例18: sca_init_port

示例19: sca_init_port

示例20: pc300_pci_init_one

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