C++ pcmcia_request_irq函数代码示例

void wl_adapter_insert( struct pcmcia_device *link )
{
    struct net_device       *dev;
    int i;
    int                     ret;
    /*------------------------------------------------------------------------*/

    DBG_FUNC( "wl_adapter_insert" );
    DBG_ENTER( DbgInfo );
    DBG_PARAM( DbgInfo, "link", "0x%p", link );

    dev     = link->priv;

    /* Do we need to allocate an interrupt? */
    link->conf.Attributes |= CONF_ENABLE_IRQ;

    ret = pcmcia_request_io(link, &link->io);
    if (ret != 0)
        goto failed;

    ret = pcmcia_request_irq(link, (void *) wl_isr);
    if (ret != 0)
        goto failed;

    ret = pcmcia_request_configuration(link, &link->conf);
    if (ret != 0)
        goto failed;

    dev->irq        = link->irq;
    dev->base_addr  = link->io.BasePort1;

    SET_NETDEV_DEV(dev, &link->dev);
    if (register_netdev(dev) != 0) {
	printk("%s: register_netdev() failed\n", MODULE_NAME);
	goto failed;
    }

    register_wlags_sysfs(dev);

    printk(KERN_INFO "%s: Wireless, io_addr %#03lx, irq %d, ""mac_address ",
               dev->name, dev->base_addr, dev->irq);
    for( i = 0; i < ETH_ALEN; i++ ) {
        printk("%02X%c", dev->dev_addr[i], ((i < (ETH_ALEN-1)) ? ':' : '\n'));
    }

    DBG_LEAVE( DbgInfo );
    return;

failed:
    wl_adapter_release( link );

    DBG_LEAVE(DbgInfo);
    return;
} // wl_adapter_insert

void wl_adapter_insert(struct pcmcia_device *link)
{
	struct net_device *dev;
	int i;
	int ret;
	/*--------------------------------------------------------------------*/

	DBG_FUNC("wl_adapter_insert");
	DBG_ENTER(DbgInfo);
	DBG_PARAM(DbgInfo, "link", "0x%p", link);

	dev     = link->priv;

	/* Do we need to allocate an interrupt? */
	link->config_flags |= CONF_ENABLE_IRQ;
	link->io_lines = 6;

	ret = pcmcia_request_io(link);
	if (ret != 0)
		goto failed;

	ret = pcmcia_request_irq(link, (void *) wl_isr);
	if (ret != 0)
		goto failed;

	ret = pcmcia_enable_device(link);
	if (ret != 0)
		goto failed;

	dev->irq        = link->irq;
	dev->base_addr  = link->resource[0]->start;

	SET_NETDEV_DEV(dev, &link->dev);
	if (register_netdev(dev) != 0) {
;
		goto failed;
	}

	register_wlags_sysfs(dev);

//	printk(KERN_INFO "%s: Wireless, io_addr %#03lx, irq %d, ""mac_address ",
;
	for (i = 0; i < ETH_ALEN; i++)
;

	DBG_LEAVE(DbgInfo);
	return;

failed:
	wl_adapter_release(link);

	DBG_LEAVE(DbgInfo);
	return;
} /* wl_adapter_insert */

static void pdacf_config(dev_link_t *link)
{
	client_handle_t handle = link->handle;
	struct snd_pdacf *pdacf = link->priv;
	tuple_t tuple;
	cisparse_t *parse = NULL;
	config_info_t conf;
	u_short buf[32];
	int last_fn, last_ret;

	snd_printdd(KERN_DEBUG "pdacf_config called\n");
	parse = kmalloc(sizeof(*parse), GFP_KERNEL);
	if (! parse) {
		snd_printk(KERN_ERR "pdacf_config: cannot allocate\n");
		return;
	}
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	tuple.Attributes = 0;
	tuple.TupleData = (cisdata_t *)buf;
	tuple.TupleDataMax = sizeof(buf);
	tuple.TupleOffset = 0;
	tuple.DesiredTuple = CISTPL_CONFIG;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
	CS_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, parse));
	link->conf.ConfigBase = parse->config.base;
	link->conf.ConfigIndex = 0x5;
	kfree(parse);

	CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &conf));
	link->conf.Vcc = conf.Vcc;

	/* Configure card */
	link->state |= DEV_CONFIG;

	CS_CHECK(RequestIO, pcmcia_request_io(handle, &link->io));
	CS_CHECK(RequestIRQ, pcmcia_request_irq(link->handle, &link->irq));
	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link->handle, &link->conf));

	if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
		goto failed;

	link->dev = &pdacf->node;
	link->state &= ~DEV_CONFIG_PENDING;
	return;

cs_failed:
	cs_error(link->handle, last_fn, last_ret);
failed:
	pcmcia_release_configuration(link->handle);
	pcmcia_release_io(link->handle, &link->io);
	pcmcia_release_irq(link->handle, &link->irq);
}

static int qlogic_config(struct pcmcia_device * link)
{
	scsi_info_t *info = link->priv;
	int last_ret, last_fn;
	struct Scsi_Host *host;

	DEBUG(0, "qlogic_config(0x%p)\n", link);

	last_ret = pcmcia_loop_config(link, qlogic_config_check, NULL);
	if (last_ret) {
		cs_error(link, RequestIO, last_ret);
		goto failed;
	}

	CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));

	if ((info->manf_id == MANFID_MACNICA) || (info->manf_id == MANFID_PIONEER) || (info->manf_id == 0x0098)) {
		/* set ATAcmd */
		outb(0xb4, link->io.BasePort1 + 0xd);
		outb(0x24, link->io.BasePort1 + 0x9);
		outb(0x04, link->io.BasePort1 + 0xd);
	}

	/* The KXL-810AN has a bigger IO port window */
	if (link->io.NumPorts1 == 32)
		host = qlogic_detect(&qlogicfas_driver_template, link,
			link->io.BasePort1 + 16, link->irq.AssignedIRQ);
	else
		host = qlogic_detect(&qlogicfas_driver_template, link,
			link->io.BasePort1, link->irq.AssignedIRQ);
	
	if (!host) {
		printk(KERN_INFO "%s: no SCSI devices found\n", qlogic_name);
		goto cs_failed;
	}

	sprintf(info->node.dev_name, "scsi%d", host->host_no);
	link->dev_node = &info->node;
	info->host = host;

	return 0;

cs_failed:
	cs_error(link, last_fn, last_ret);
	pcmcia_disable_device(link);
failed:
	return -ENODEV;

}				/* qlogic_config */

static int sl811_cs_config(struct pcmcia_device *link)
{
	struct device		*parent = &link->dev;
	local_info_t		*dev = link->priv;
	int			ret;

	dev_dbg(&link->dev, "sl811_cs_config\n");

	if (pcmcia_loop_config(link, sl811_cs_config_check, NULL))
		goto failed;

	/* require an IRQ and two registers */
	if (!link->io.NumPorts1 || link->io.NumPorts1 < 2)
		goto failed;
	if (link->conf.Attributes & CONF_ENABLE_IRQ) {
		ret = pcmcia_request_irq(link, &link->irq);
		if (ret)
			goto failed;
	} else
		goto failed;

	ret = pcmcia_request_configuration(link, &link->conf);
	if (ret)
		goto failed;

	sprintf(dev->node.dev_name, driver_name);
	dev->node.major = dev->node.minor = 0;
	link->dev_node = &dev->node;

	printk(KERN_INFO "%s: index 0x%02x: ",
	       dev->node.dev_name, link->conf.ConfigIndex);
	if (link->conf.Vpp)
		printk(", Vpp %d.%d", link->conf.Vpp/10, link->conf.Vpp%10);
	printk(", irq %d", link->irq.AssignedIRQ);
	printk(", io 0x%04x-0x%04x", link->io.BasePort1,
	       link->io.BasePort1+link->io.NumPorts1-1);
	printk("\n");

	if (sl811_hc_init(parent, link->io.BasePort1, link->irq.AssignedIRQ)
			< 0) {
failed:
		printk(KERN_WARNING "sl811_cs_config failed\n");
		sl811_cs_release(link);
		return  -ENODEV;
	}
	return 0;
}

static int parport_config(struct pcmcia_device *link)
{
    parport_info_t *info = link->priv;
    struct parport *p;
    int last_ret, last_fn;

    DEBUG(0, "parport_config(0x%p)\n", link);

    last_ret = pcmcia_loop_config(link, parport_config_check, NULL);
    if (last_ret) {
	    cs_error(link, RequestIO, last_ret);
	    goto failed;
    }

    CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));

    p = parport_pc_probe_port(link->io.BasePort1, link->io.BasePort2,
			      link->irq.AssignedIRQ, PARPORT_DMA_NONE,
			      &link->dev);
    if (p == NULL) {
	printk(KERN_NOTICE "parport_cs: parport_pc_probe_port() at "
	       "0x%3x, irq %u failed\n", link->io.BasePort1,
	       link->irq.AssignedIRQ);
	goto failed;
    }

    p->modes |= PARPORT_MODE_PCSPP;
    if (epp_mode)
	p->modes |= PARPORT_MODE_TRISTATE | PARPORT_MODE_EPP;
    info->ndev = 1;
    info->node.major = LP_MAJOR;
    info->node.minor = p->number;
    info->port = p;
    strcpy(info->node.dev_name, p->name);
    link->dev_node = &info->node;

    return 0;

cs_failed:
    cs_error(link, last_fn, last_ret);
failed:
    parport_cs_release(link);
    return -ENODEV;
} /* parport_config */

static int bluecard_config(struct pcmcia_device *link)
{
	bluecard_info_t *info = link->priv;
	int i, n;

	link->conf.ConfigIndex = 0x20;
	link->io.NumPorts1 = 64;
	link->io.IOAddrLines = 6;

	for (n = 0; n < 0x400; n += 0x40) {
		link->io.BasePort1 = n ^ 0x300;
		i = pcmcia_request_io(link, &link->io);
		if (i == CS_SUCCESS)
			break;
	}

	if (i != CS_SUCCESS) {
		cs_error(link, RequestIO, i);
		goto failed;
	}

	i = pcmcia_request_irq(link, &link->irq);
	if (i != CS_SUCCESS) {
		cs_error(link, RequestIRQ, i);
		link->irq.AssignedIRQ = 0;
	}

	i = pcmcia_request_configuration(link, &link->conf);
	if (i != CS_SUCCESS) {
		cs_error(link, RequestConfiguration, i);
		goto failed;
	}

	if (bluecard_open(info) != 0)
		goto failed;

	strcpy(info->node.dev_name, info->hdev->name);
	link->dev_node = &info->node;

	return 0;

failed:
	bluecard_release(link);
	return -ENODEV;
}

static int vxpocket_config(struct pcmcia_device *link)
{
	struct vx_core *chip = link->priv;
	int ret;

	snd_printdd(KERN_DEBUG "vxpocket_config called\n");

	/* redefine hardware record according to the VERSION1 string */
	if (!strcmp(link->prod_id[1], "VX-POCKET")) {
		snd_printdd("VX-pocket is detected\n");
	} else {
		snd_printdd("VX-pocket 440 is detected\n");
		/* overwrite the hardware information */
		chip->hw = &vxp440_hw;
		chip->type = vxp440_hw.type;
		strcpy(chip->card->driver, vxp440_hw.name);
	}

	ret = pcmcia_request_io(link);
	if (ret)
		goto failed;

	ret = pcmcia_request_irq(link, snd_vx_irq_handler);
	if (ret)
		goto failed;

	ret = pcmcia_enable_device(link);
	if (ret)
		goto failed;

	chip->dev = &link->dev;
	snd_card_set_dev(chip->card, chip->dev);

	if (snd_vxpocket_assign_resources(chip, link->resource[0]->start,
						link->irq) < 0)
		goto failed;

	return 0;

failed:
	pcmcia_disable_device(link);
	return -ENODEV;
}

static int pdacf_config(struct pcmcia_device *link)
{
	struct snd_pdacf *pdacf = link->priv;
	tuple_t tuple;
	cisparse_t *parse = NULL;
	u_short buf[32];
	int last_fn, last_ret;

	snd_printdd(KERN_DEBUG "pdacf_config called\n");
	parse = kmalloc(sizeof(*parse), GFP_KERNEL);
	if (! parse) {
		snd_printk(KERN_ERR "pdacf_config: cannot allocate\n");
		return -ENOMEM;
	}
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	tuple.Attributes = 0;
	tuple.TupleData = (cisdata_t *)buf;
	tuple.TupleDataMax = sizeof(buf);
	tuple.TupleOffset = 0;
	tuple.DesiredTuple = CISTPL_CONFIG;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
	CS_CHECK(GetTupleData, pcmcia_get_tuple_data(link, &tuple));
	CS_CHECK(ParseTuple, pcmcia_parse_tuple(link, &tuple, parse));
	link->conf.ConfigBase = parse->config.base;
	link->conf.ConfigIndex = 0x5;
	kfree(parse);

	CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
	CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));

	if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
		goto failed;

	link->dev_node = &pdacf->node;
	return 0;

cs_failed:
	cs_error(link, last_fn, last_ret);
failed:
	pcmcia_disable_device(link);
	return -ENODEV;
}

static int bluecard_config(struct pcmcia_device *link)
{
	struct bluecard_info *info = link->priv;
	int i, n;

	link->config_index = 0x20;

	link->resource[0]->flags |= IO_DATA_PATH_WIDTH_8;
	link->resource[0]->end = 64;
	link->io_lines = 6;

	for (n = 0; n < 0x400; n += 0x40) {
		link->resource[0]->start = n ^ 0x300;
		i = pcmcia_request_io(link);
		if (i == 0)
			break;
	}

	if (i != 0)
		goto failed;

	i = pcmcia_request_irq(link, bluecard_interrupt);
	if (i != 0)
		goto failed;

	i = pcmcia_enable_device(link);
	if (i != 0)
		goto failed;

	if (bluecard_open(info) != 0)
		goto failed;

	return 0;

failed:
	bluecard_release(link);
	return -ENODEV;
}

static int pdacf_config(struct pcmcia_device *link)
{
	struct snd_pdacf *pdacf = link->priv;
	int last_fn, last_ret;

	snd_printdd(KERN_DEBUG "pdacf_config called\n");
	link->conf.ConfigIndex = 0x5;

	CS_CHECK(RequestIO, pcmcia_request_io(link, &link->io));
	CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));

	if (snd_pdacf_assign_resources(pdacf, link->io.BasePort1, link->irq.AssignedIRQ) < 0)
		goto failed;

	link->dev_node = &pdacf->node;
	return 0;

cs_failed:
	cs_error(link, last_fn, last_ret);
failed:
	pcmcia_disable_device(link);
	return -ENODEV;
}

static int bluecard_config(struct pcmcia_device *link)
{
	bluecard_info_t *info = link->priv;
	int i, n;

	link->conf.ConfigIndex = 0x20;
	link->io.NumPorts1 = 64;
	link->io.IOAddrLines = 6;

	for (n = 0; n < 0x400; n += 0x40) {
		link->io.BasePort1 = n ^ 0x300;
		i = pcmcia_request_io(link, &link->io);
		if (i == 0)
			break;
	}

	if (i != 0)
		goto failed;

	i = pcmcia_request_irq(link, bluecard_interrupt);
	if (i != 0)
		goto failed;

	i = pcmcia_request_configuration(link, &link->conf);
	if (i != 0)
		goto failed;

	if (bluecard_open(info) != 0)
		goto failed;

	return 0;

failed:
	bluecard_release(link);
	return -ENODEV;
}

//.........这里部分代码省略.........
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
	while (1) {
		cistpl_cftable_entry_t	*cfg = &(parse.cftable_entry);

		if (pcmcia_get_tuple_data(handle, &tuple) != 0
				|| pcmcia_parse_tuple(handle, &tuple, &parse)
						!= 0)
			goto next_entry;

		if (cfg->flags & CISTPL_CFTABLE_DEFAULT) {
			dflt = *cfg;
		}

		if (cfg->index == 0)
			goto next_entry;

		link->conf.ConfigIndex = cfg->index;

		/* Use power settings for Vcc and Vpp if present */
		/*  Note that the CIS values need to be rescaled */
		if (cfg->vcc.present & (1<<CISTPL_POWER_VNOM)) {
			if (cfg->vcc.param[CISTPL_POWER_VNOM]/10000
					!= conf.Vcc)
				goto next_entry;
		} else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) {
			if (dflt.vcc.param[CISTPL_POWER_VNOM]/10000
					!= conf.Vcc)
				goto next_entry;
		}

		if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
			link->conf.Vpp1 = link->conf.Vpp2 =
				cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
		else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
			link->conf.Vpp1 = link->conf.Vpp2 =
				dflt.vpp1.param[CISTPL_POWER_VNOM]/10000;

		/* we need an interrupt */
		if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
			link->conf.Attributes |= CONF_ENABLE_IRQ;

		/* IO window settings */
		link->io.NumPorts1 = link->io.NumPorts2 = 0;
		if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
			cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;

			link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
			link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
			link->io.BasePort1 = io->win[0].base;
			link->io.NumPorts1 = io->win[0].len;

			if (pcmcia_request_io(link->handle, &link->io) != 0)
				goto next_entry;
		}
		break;

next_entry:
		if (link->io.NumPorts1)
			pcmcia_release_io(link->handle, &link->io);
		last_ret = pcmcia_get_next_tuple(handle, &tuple);
	}

	/* require an IRQ and two registers */
	if (!link->io.NumPorts1 || link->io.NumPorts1 < 2)
		goto cs_failed;
	if (link->conf.Attributes & CONF_ENABLE_IRQ)
		CS_CHECK(RequestIRQ,
			pcmcia_request_irq(link->handle, &link->irq));
	else
		goto cs_failed;

	CS_CHECK(RequestConfiguration,
		pcmcia_request_configuration(link->handle, &link->conf));

	sprintf(dev->node.dev_name, driver_name);
	dev->node.major = dev->node.minor = 0;
	link->dev = &dev->node;

	printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
	       dev->node.dev_name, link->conf.ConfigIndex,
	       link->conf.Vcc/10, link->conf.Vcc%10);
	if (link->conf.Vpp1)
		printk(", Vpp %d.%d", link->conf.Vpp1/10, link->conf.Vpp1%10);
	printk(", irq %d", link->irq.AssignedIRQ);
	printk(", io 0x%04x-0x%04x", link->io.BasePort1,
	       link->io.BasePort1+link->io.NumPorts1-1);
	printk("\n");

	link->state &= ~DEV_CONFIG_PENDING;

	if (sl811_hc_init(parent, link->io.BasePort1, link->irq.AssignedIRQ)
			< 0) {
cs_failed:
		printk("sl811_cs_config failed\n");
		cs_error(link->handle, last_fn, last_ret);
		sl811_cs_release(link);
		link->state &= ~DEV_CONFIG_PENDING;
	}
}

static int
spectrum_cs_config(struct pcmcia_device *link)
{
	struct orinoco_private *priv = link->priv;
	hermes_t *hw = &priv->hw;
	int ret;
	void __iomem *mem;

	/*
	 * In this loop, we scan the CIS for configuration table
	 * entries, each of which describes a valid card
	 * configuration, including voltage, IO window, memory window,
	 * and interrupt settings.
	 *
	 * We make no assumptions about the card to be configured: we
	 * use just the information available in the CIS.  In an ideal
	 * world, this would work for any PCMCIA card, but it requires
	 * a complete and accurate CIS.  In practice, a driver usually
	 * "knows" most of these things without consulting the CIS,
	 * and most client drivers will only use the CIS to fill in
	 * implementation-defined details.
	 */
	ret = pcmcia_loop_config(link, spectrum_cs_config_check, NULL);
	if (ret) {
		if (!ignore_cis_vcc)
			printk(KERN_ERR PFX "GetNextTuple(): No matching "
			       "CIS configuration.  Maybe you need the "
			       "ignore_cis_vcc=1 parameter.\n");
		goto failed;
	}

	ret = pcmcia_request_irq(link, orinoco_interrupt);
	if (ret)
		goto failed;

	/* We initialize the hermes structure before completing PCMCIA
	 * configuration just in case the interrupt handler gets
	 * called. */
	mem = ioport_map(link->io.BasePort1, link->io.NumPorts1);
	if (!mem)
		goto failed;

	hermes_struct_init(hw, mem, HERMES_16BIT_REGSPACING);
	hw->eeprom_pda = true;

	/*
	 * This actually configures the PCMCIA socket -- setting up
	 * the I/O windows and the interrupt mapping, and putting the
	 * card and host interface into "Memory and IO" mode.
	 */
	ret = pcmcia_request_configuration(link, &link->conf);
	if (ret)
		goto failed;

	/* Reset card */
	if (spectrum_cs_hard_reset(priv) != 0)
		goto failed;

	/* Initialise the main driver */
	if (orinoco_init(priv) != 0) {
		printk(KERN_ERR PFX "orinoco_init() failed\n");
		goto failed;
	}

	/* Register an interface with the stack */
	if (orinoco_if_add(priv, link->io.BasePort1,
			   link->irq, NULL) != 0) {
		printk(KERN_ERR PFX "orinoco_if_add() failed\n");
		goto failed;
	}

	return 0;

 failed:
	spectrum_cs_release(link);
	return -ENODEV;
}				/* spectrum_cs_config */

static int tc589_config(struct pcmcia_device *link)
{
    struct net_device *dev = link->priv;
    __be16 *phys_addr;
    int ret, i, j, multi = 0, fifo;
    unsigned int ioaddr;
    char *ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
    u8 *buf;
    size_t len;

    dev_dbg(&link->dev, "3c589_config\n");

    phys_addr = (__be16 *)dev->dev_addr;
    /* Is this a 3c562? */
    if (link->manf_id != MANFID_3COM)
	    printk(KERN_INFO "3c589_cs: hmmm, is this really a "
		   "3Com card??\n");
    multi = (link->card_id == PRODID_3COM_3C562);

    link->io_lines = 16;

    /* For the 3c562, the base address must be xx00-xx7f */
    for (i = j = 0; j < 0x400; j += 0x10) {
	if (multi && (j & 0x80)) continue;
	link->resource[0]->start = j ^ 0x300;
	i = pcmcia_request_io(link);
	if (i == 0)
		break;
    }
    if (i != 0)
	goto failed;

    ret = pcmcia_request_irq(link, el3_interrupt);
    if (ret)
	    goto failed;

    ret = pcmcia_request_configuration(link, &link->conf);
    if (ret)
	    goto failed;

    dev->irq = link->irq;
    dev->base_addr = link->resource[0]->start;
    ioaddr = dev->base_addr;
    EL3WINDOW(0);

    /* The 3c589 has an extra EEPROM for configuration info, including
       the hardware address.  The 3c562 puts the address in the CIS. */
    len = pcmcia_get_tuple(link, 0x88, &buf);
    if (buf && len >= 6) {
	    for (i = 0; i < 3; i++)
		    phys_addr[i] = htons(le16_to_cpu(buf[i*2]));
	    kfree(buf);
    } else {
	kfree(buf); /* 0 < len < 6 */
	for (i = 0; i < 3; i++)
	    phys_addr[i] = htons(read_eeprom(ioaddr, i));
	if (phys_addr[0] == htons(0x6060)) {
	    printk(KERN_ERR "3c589_cs: IO port conflict at 0x%03lx"
		   "-0x%03lx\n", dev->base_addr, dev->base_addr+15);
	    goto failed;
	}
    }

    /* The address and resource configuration register aren't loaded from
       the EEPROM and *must* be set to 0 and IRQ3 for the PCMCIA version. */
    outw(0x3f00, ioaddr + 8);
    fifo = inl(ioaddr);

    /* The if_port symbol can be set when the module is loaded */
    if ((if_port >= 0) && (if_port <= 3))
	dev->if_port = if_port;
    else
	printk(KERN_ERR "3c589_cs: invalid if_port requested\n");

    SET_NETDEV_DEV(dev, &link->dev);

    if (register_netdev(dev) != 0) {
	printk(KERN_ERR "3c589_cs: register_netdev() failed\n");
	goto failed;
    }

    netdev_info(dev, "3Com 3c%s, io %#3lx, irq %d, hw_addr %pM\n",
		(multi ? "562" : "589"), dev->base_addr, dev->irq,
		dev->dev_addr);
    netdev_info(dev, "  %dK FIFO split %s Rx:Tx, %s xcvr\n",
		(fifo & 7) ? 32 : 8, ram_split[(fifo >> 16) & 3],
		if_names[dev->if_port]);
    return 0;

failed:
    tc589_release(link);
    return -ENODEV;
} /* tc589_config */