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C++ sca_in函数代码示例

本文整理汇总了C++中sca_in函数的典型用法代码示例。如果您正苦于以下问题：C++ sca_in函数的具体用法？C++ sca_in怎么用？C++ sca_in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_in函数的15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，您的评价将有助于系统推荐出更棒的C++代码示例。

示例1: c101_ioctl

static int c101_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
{
	const size_t size = sizeof(sync_serial_settings);
	sync_serial_settings new_line;
	sync_serial_settings __user *line = ifr->ifr_settings.ifs_ifsu.sync;
	port_t *port = dev_to_port(dev);

#ifdef DEBUG_RINGS
	if (cmd == SIOCDEVPRIVATE) {
		sca_dump_rings(dev);
		printk(KERN_DEBUG "MSCI1: ST: %02x %02x %02x %02x\n",
		       sca_in(MSCI1_OFFSET + ST0, port),
		       sca_in(MSCI1_OFFSET + ST1, port),
		       sca_in(MSCI1_OFFSET + ST2, port),
		       sca_in(MSCI1_OFFSET + ST3, port));
		return 0;
	}
#endif
	if (cmd != SIOCWANDEV)
		return hdlc_ioctl(dev, ifr, cmd);

	switch(ifr->ifr_settings.type) {
	case IF_GET_IFACE:
		ifr->ifr_settings.type = IF_IFACE_SYNC_SERIAL;
		if (ifr->ifr_settings.size < size) {
			ifr->ifr_settings.size = size; /* data size wanted */
			return -ENOBUFS;
		}
		if (copy_to_user(line, &port->settings, size))
			return -EFAULT;
		return 0;

	case IF_IFACE_SYNC_SERIAL:
		if(!capable(CAP_NET_ADMIN))
			return -EPERM;

		if (copy_from_user(&new_line, line, size))
			return -EFAULT;

		if (new_line.clock_type != CLOCK_EXT &&
		    new_line.clock_type != CLOCK_TXFROMRX &&
		    new_line.clock_type != CLOCK_INT &&
		    new_line.clock_type != CLOCK_TXINT)
		return -EINVAL;	/* No such clock setting */

		if (new_line.loopback != 0 && new_line.loopback != 1)
			return -EINVAL;

		memcpy(&port->settings, &new_line, size); /* Update settings */
		c101_set_iface(port);
		return 0;

	default:
		return hdlc_ioctl(dev, ifr, cmd);
	}
}
开发者ID:E-LLP，项目名称:n900，代码行数:56，代码来源:c101.c

示例2: 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3: 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4: set_carrier

static inline void set_carrier(port_t *port)
{
	if (!(sca_in(MSCI1_OFFSET + ST3, port) & ST3_DCD))
		netif_carrier_on(port_to_dev(port));
	else
		netif_carrier_off(port_to_dev(port));
}
开发者ID:E-LLP，项目名称:n900，代码行数:7，代码来源:c101.c

示例5: sca_set_port

static void sca_set_port(port_t *port)
{
	card_t* card = port_to_card(port);
	u16 msci = get_msci(port);
	u8 md2 = sca_in(msci + MD2, card);
	unsigned int tmc, br = 10, brv = 1024;


	if (port->settings.clock_rate > 0) {
		/* Try lower br for better accuracy*/
		do {
			br--;
			brv >>= 1; /* brv = 2^9 = 512 max in specs */

			/* Baud Rate = CLOCK_BASE / TMC / 2^BR */
			tmc = CLOCK_BASE / brv / port->settings.clock_rate;
		}while (br > 1 && tmc <= 128);

		if (tmc < 1) {
			tmc = 1;
			br = 0;	/* For baud=CLOCK_BASE we use tmc=1 br=0 */
			brv = 1;
		} else if (tmc > 255)
			tmc = 256; /* tmc=0 means 256 - low baud rates */

		port->settings.clock_rate = CLOCK_BASE / brv / tmc;
	} else {
开发者ID:020gzh，项目名称:linux，代码行数:27，代码来源:hd64570.c

示例6: sca_set_port

static void sca_set_port(port_t *port)
{
    card_t* card = port_to_card(port);
    u16 msci = get_msci(port);
    u8 md2 = sca_in(msci + MD2, card);
    unsigned int tmc, br = 10, brv = 1024;


    if (port->settings.clock_rate > 0) {

        do {
            br--;
            brv >>= 1;


            tmc = CLOCK_BASE / brv / port->settings.clock_rate;
        } while (br > 1 && tmc <= 128);

        if (tmc < 1) {
            tmc = 1;
            br = 0;
            brv = 1;
        } else if (tmc > 255)
            tmc = 256;

        port->settings.clock_rate = CLOCK_BASE / brv / tmc;
    } else {
开发者ID:MiniBlu，项目名称:cm11_kernel_htc_msm8974a3ul，代码行数:27，代码来源:hd64570.c

示例7: 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8: 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9: 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10: 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11: sca_intr_status

static inline int sca_intr_status(card_t *card)
{
	u8 result = 0;
	u8 isr0 = sca_in(ISR0, card);
	u8 isr1 = sca_in(ISR1, card);

	if (isr1 & 0x03) result |= SCA_INTR_DMAC_RX(0);
	if (isr1 & 0x0C) result |= SCA_INTR_DMAC_TX(0);
	if (isr1 & 0x30) result |= SCA_INTR_DMAC_RX(1);
	if (isr1 & 0xC0) result |= SCA_INTR_DMAC_TX(1);
	if (isr0 & 0x0F) result |= SCA_INTR_MSCI(0);
	if (isr0 & 0xF0) result |= SCA_INTR_MSCI(1);

	if (!(result & SCA_INTR_DMAC_TX(0)))
		if (sca_in(DSR_TX(0), card) & DSR_EOM)
			result |= SCA_INTR_DMAC_TX(0);
	if (!(result & SCA_INTR_DMAC_TX(1)))
		if (sca_in(DSR_TX(1), card) & DSR_EOM)
			result |= SCA_INTR_DMAC_TX(1);

	return result;
}
开发者ID:020gzh，项目名称:linux，代码行数:22，代码来源:hd64570.c

示例12: 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13: 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14: sca_intr_status

static inline int sca_intr_status(card_t *card)
{
	u8 result = 0;

#ifdef __HD64570_H /* HD64570 */
	u8 isr0 = sca_in(ISR0, card);
	u8 isr1 = sca_in(ISR1, card);

	if (isr1 & 0x03) result |= SCA_INTR_DMAC_RX(0);
	if (isr1 & 0x0C) result |= SCA_INTR_DMAC_TX(0);
	if (isr1 & 0x30) result |= SCA_INTR_DMAC_RX(1);
	if (isr1 & 0xC0) result |= SCA_INTR_DMAC_TX(1);
	if (isr0 & 0x0F) result |= SCA_INTR_MSCI(0);
	if (isr0 & 0xF0) result |= SCA_INTR_MSCI(1);

#else /* HD64572 */
	u32 isr0 = sca_inl(ISR0, card);

	if (isr0 & 0x0000000F) result |= SCA_INTR_DMAC_RX(0);
	if (isr0 & 0x000000F0) result |= SCA_INTR_DMAC_TX(0);
	if (isr0 & 0x00000F00) result |= SCA_INTR_DMAC_RX(1);
	if (isr0 & 0x0000F000) result |= SCA_INTR_DMAC_TX(1);
	if (isr0 & 0x003E0000) result |= SCA_INTR_MSCI(0);
	if (isr0 & 0x3E000000) result |= SCA_INTR_MSCI(1);

#endif /* HD64570 vs HD64572 */

	if (!(result & SCA_INTR_DMAC_TX(0)))
		if (sca_in(DSR_TX(0), card) & DSR_EOM)
			result |= SCA_INTR_DMAC_TX(0);
	if (!(result & SCA_INTR_DMAC_TX(1)))
		if (sca_in(DSR_TX(1), card) & DSR_EOM)
			result |= SCA_INTR_DMAC_TX(1);

	return result;
}
开发者ID:Antonio-Zhou，项目名称:Linux-2.6.11，代码行数:36，代码来源:hd6457x.c

示例15: sca_set_carrier

static inline void sca_set_carrier(port_t *port)
{
	if (!(sca_in(get_msci(port) + ST3, port_to_card(port)) & ST3_DCD)) {
#ifdef DEBUG_LINK
		printk(KERN_DEBUG "%s: sca_set_carrier on\n",
		       port_to_dev(port)->name);
#endif
		netif_carrier_on(port_to_dev(port));
	} else {
#ifdef DEBUG_LINK
		printk(KERN_DEBUG "%s: sca_set_carrier off\n",
		       port_to_dev(port)->name);
#endif
		netif_carrier_off(port_to_dev(port));
	}
}
开发者ID:020gzh，项目名称:linux，代码行数:16，代码来源:hd64570.c


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