C++ pcmcia_request_io函数代码示例

static int com20020_config(struct pcmcia_device *link)
{
    struct arcnet_local *lp;
    com20020_dev_t *info;
    struct net_device *dev;
    int i, last_ret, last_fn;
    int ioaddr;

    info = link->priv;
    dev = info->dev;

    DEBUG(1,"config...\n");

    DEBUG(0, "com20020_config(0x%p)\n", link);

    DEBUG(1,"arcnet: baseport1 is %Xh\n", link->io.BasePort1);
    i = -ENODEV;
    if (!link->io.BasePort1)
    {
	for (ioaddr = 0x100; ioaddr < 0x400; ioaddr += 0x10)
	{
	    link->io.BasePort1 = ioaddr;
	    i = pcmcia_request_io(link, &link->io);
	    if (i == 0)
		break;
	}
    }
    else
	i = pcmcia_request_io(link, &link->io);
    
    if (i != 0)
    {
	DEBUG(1,"arcnet: requestIO failed totally!\n");
	goto failed;
    }
	
    ioaddr = dev->base_addr = link->io.BasePort1;
    DEBUG(1,"arcnet: got ioaddr %Xh\n", ioaddr);

    DEBUG(1,"arcnet: request IRQ %d (%Xh/%Xh)\n",
	   link->irq.AssignedIRQ,
	   link->irq.IRQInfo1, link->irq.IRQInfo2);
    i = pcmcia_request_irq(link, &link->irq);
    if (i != 0)
    {
	DEBUG(1,"arcnet: requestIRQ failed totally!\n");
	goto failed;
    }

    dev->irq = link->irq.AssignedIRQ;

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

    if (com20020_check(dev))
    {
	regdump(dev);
	goto failed;
    }
    
    lp = netdev_priv(dev);
    lp->card_name = "PCMCIA COM20020";
    lp->card_flags = ARC_CAN_10MBIT; /* pretend all of them can 10Mbit */

    link->dev_node = &info->node;
    SET_NETDEV_DEV(dev, &handle_to_dev(link));

    i = com20020_found(dev, 0);	/* calls register_netdev */
    
    if (i != 0) {
	DEBUG(1,KERN_NOTICE "com20020_cs: com20020_found() failed\n");
	link->dev_node = NULL;
	goto failed;
    }

    strcpy(info->node.dev_name, dev->name);

    DEBUG(1,KERN_INFO "%s: port %#3lx, irq %d\n",
           dev->name, dev->base_addr, dev->irq);
    return 0;

cs_failed:
    cs_error(link, last_fn, last_ret);
failed:
    DEBUG(1,"com20020_config failed...\n");
    com20020_release(link);
    return -ENODEV;
} /* com20020_config */

static int ide_config(struct pcmcia_device *link)
{
    ide_info_t *info = link->priv;
    tuple_t tuple;
    struct {
	u_short		buf[128];
	cisparse_t	parse;
	config_info_t	conf;
	cistpl_cftable_entry_t dflt;
    } *stk = NULL;
    cistpl_cftable_entry_t *cfg;
    int i, pass, last_ret = 0, last_fn = 0, hd, is_kme = 0;
    unsigned long io_base, ctl_base;

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

    stk = kzalloc(sizeof(*stk), GFP_KERNEL);
    if (!stk) goto err_mem;
    cfg = &stk->parse.cftable_entry;

    tuple.TupleData = (cisdata_t *)&stk->buf;
    tuple.TupleOffset = 0;
    tuple.TupleDataMax = 255;
    tuple.Attributes = 0;

    is_kme = ((link->manf_id == MANFID_KME) &&
	      ((link->card_id == PRODID_KME_KXLC005_A) ||
	       (link->card_id == PRODID_KME_KXLC005_B)));

    /* Not sure if this is right... look up the current Vcc */
    CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(link, &stk->conf));

    pass = io_base = ctl_base = 0;
    tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
    tuple.Attributes = 0;
    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
    while (1) {
    	if (pcmcia_get_tuple_data(link, &tuple) != 0) goto next_entry;
	if (pcmcia_parse_tuple(link, &tuple, &stk->parse) != 0) goto next_entry;

	/* Check for matching Vcc, unless we're desperate */
	if (!pass) {
	    if (cfg->vcc.present & (1 << CISTPL_POWER_VNOM)) {
		if (stk->conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] / 10000)
		    goto next_entry;
	    } else if (stk->dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
		if (stk->conf.Vcc != stk->dflt.vcc.param[CISTPL_POWER_VNOM] / 10000)
		    goto next_entry;
	    }
	}

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

	if ((cfg->io.nwin > 0) || (stk->dflt.io.nwin > 0)) {
	    cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &stk->dflt.io;
	    link->conf.ConfigIndex = cfg->index;
	    link->io.BasePort1 = io->win[0].base;
	    link->io.IOAddrLines = io->flags & CISTPL_IO_LINES_MASK;
	    if (!(io->flags & CISTPL_IO_16BIT))
		link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
	    if (io->nwin == 2) {
		link->io.NumPorts1 = 8;
		link->io.BasePort2 = io->win[1].base;
		link->io.NumPorts2 = (is_kme) ? 2 : 1;
		if (pcmcia_request_io(link, &link->io) != 0)
			goto next_entry;
		io_base = link->io.BasePort1;
		ctl_base = link->io.BasePort2;
	    } else if ((io->nwin == 1) && (io->win[0].len >= 16)) {
		link->io.NumPorts1 = io->win[0].len;
		link->io.NumPorts2 = 0;
		if (pcmcia_request_io(link, &link->io) != 0)
			goto next_entry;
		io_base = link->io.BasePort1;
		ctl_base = link->io.BasePort1 + 0x0e;
	    } else goto next_entry;
	    /* If we've got this far, we're done */
	    break;
	}

    next_entry:
	if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
	    memcpy(&stk->dflt, cfg, sizeof(stk->dflt));
	if (pass) {
	    CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
	} else if (pcmcia_get_next_tuple(link, &tuple) != 0) {
	    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
	    memset(&stk->dflt, 0, sizeof(stk->dflt));
	    pass++;
	}
    }

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

//.........这里部分代码省略.........

static void vxpocket_config(dev_link_t *link)
{
	client_handle_t handle = link->handle;
	struct vx_core *chip = link->priv;
	struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
	tuple_t tuple;
	cisparse_t *parse;
	u_short buf[32];
	int last_fn, last_ret;

	snd_printdd(KERN_DEBUG "vxpocket_config called\n");
	parse = kmalloc(sizeof(*parse), GFP_KERNEL);
	if (! parse) {
		snd_printk(KERN_ERR "vx: cannot allocate\n");
		return;
	}
	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.Present = parse->config.rmask[0];

	/* redefine hardware record according to the VERSION1 string */
	tuple.DesiredTuple = CISTPL_VERS_1;
	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));
	if (! strcmp(parse->version_1.str + parse->version_1.ofs[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);
	}

	/* 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));

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

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

	link->dev = &vxp->node;
	link->state &= ~DEV_CONFIG_PENDING;
	kfree(parse);
	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);
	link->state &= ~DEV_CONFIG;
	kfree(parse);
}

static void elsa_cs_config(dev_link_t *link)
{
    client_handle_t handle;
    tuple_t tuple;
    cisparse_t parse;
    local_info_t *dev;
    int i, j, last_fn;
    u_short buf[128];
    cistpl_cftable_entry_t *cf = &parse.cftable_entry;
    IsdnCard_t icard;

    DEBUG(0, "elsa_config(0x%p)\n", link);
    handle = link->handle;
    dev = link->priv;

    /*
       This reads the card's CONFIG tuple to find its configuration
       registers.
    */
    tuple.DesiredTuple = CISTPL_CONFIG;
    tuple.TupleData = (cisdata_t *)buf;
    tuple.TupleDataMax = 255;
    tuple.TupleOffset = 0;
    tuple.Attributes = 0;
    i = first_tuple(handle, &tuple, &parse);
    if (i != CS_SUCCESS) {
        last_fn = ParseTuple;
	goto cs_failed;
    }
    link->conf.ConfigBase = parse.config.base;
    link->conf.Present = parse.config.rmask[0];

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

    tuple.TupleData = (cisdata_t *)buf;
    tuple.TupleOffset = 0; tuple.TupleDataMax = 255;
    tuple.Attributes = 0;
    tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
    i = first_tuple(handle, &tuple, &parse);
    while (i == CS_SUCCESS) {
        if ( (cf->io.nwin > 0) && cf->io.win[0].base) {
            printk(KERN_INFO "(elsa_cs: looks like the 96 model)\n");
            link->conf.ConfigIndex = cf->index;
            link->io.BasePort1 = cf->io.win[0].base;
            i = pcmcia_request_io(link->handle, &link->io);
            if (i == CS_SUCCESS) break;
        } else {
          printk(KERN_INFO "(elsa_cs: looks like the 97 model)\n");
          link->conf.ConfigIndex = cf->index;
          for (i = 0, j = 0x2f0; j > 0x100; j -= 0x10) {
            link->io.BasePort1 = j;
            i = pcmcia_request_io(link->handle, &link->io);
            if (i == CS_SUCCESS) break;
          }
          break;
        }
        i = next_tuple(handle, &tuple, &parse);
    }

    if (i != CS_SUCCESS) {
	last_fn = RequestIO;
	goto cs_failed;
    }

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

    i = pcmcia_request_configuration(link->handle, &link->conf);
    if (i != CS_SUCCESS) {
      last_fn = RequestConfiguration;
      goto cs_failed;
    }

    /* At this point, the dev_node_t structure(s) should be
       initialized and arranged in a linked list at link->dev. *//*  */
    sprintf(dev->node.dev_name, "elsa");
    dev->node.major = dev->node.minor = 0x0;

    link->dev = &dev->node;

    /* Finally, report what we've done */
    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);
    if (link->conf.Attributes & CONF_ENABLE_IRQ)
        printk(", irq %d", link->irq.AssignedIRQ);
    if (link->io.NumPorts1)
        printk(", io 0x%04x-0x%04x", link->io.BasePort1,
               link->io.BasePort1+link->io.NumPorts1-1);
    if (link->io.NumPorts2)
        printk(" & 0x%04x-0x%04x", link->io.BasePort2,
               link->io.BasePort2+link->io.NumPorts2-1);
    printk("\n");
//.........这里部分代码省略.........

static int simple_config(dev_link_t *link)
{
	static kio_addr_t base[5] = { 0x3f8, 0x2f8, 0x3e8, 0x2e8, 0x0 };
	static int size_table[2] = { 8, 16 };
	client_handle_t handle = link->handle;
	struct serial_info *info = link->priv;
	struct serial_cfg_mem *cfg_mem;
	tuple_t *tuple;
	u_char *buf;
	cisparse_t *parse;
	cistpl_cftable_entry_t *cf;
	config_info_t config;
	int i, j, try;
	int s;

	cfg_mem = kmalloc(sizeof(struct serial_cfg_mem), GFP_KERNEL);
	if (!cfg_mem)
		return -1;

	tuple = &cfg_mem->tuple;
	parse = &cfg_mem->parse;
	cf = &parse->cftable_entry;
	buf = cfg_mem->buf;

	/* If the card is already configured, look up the port and irq */
	i = pcmcia_get_configuration_info(handle, &config);
	if ((i == CS_SUCCESS) && (config.Attributes & CONF_VALID_CLIENT)) {
		kio_addr_t port = 0;
		if ((config.BasePort2 != 0) && (config.NumPorts2 == 8)) {
			port = config.BasePort2;
			info->slave = 1;
		} else if ((info->manfid == MANFID_OSITECH) &&
			   (config.NumPorts1 == 0x40)) {
			port = config.BasePort1 + 0x28;
			info->slave = 1;
		}
		if (info->slave) {
			kfree(cfg_mem);
			return setup_serial(handle, info, port, config.AssignedIRQ);
		}
	}
	link->conf.Vcc = config.Vcc;

	/* First pass: look for a config entry that looks normal. */
	tuple->TupleData = (cisdata_t *) buf;
	tuple->TupleOffset = 0;
	tuple->TupleDataMax = 255;
	tuple->Attributes = 0;
	tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY;
	/* Two tries: without IO aliases, then with aliases */
	for (s = 0; s < 2; s++) {
		for (try = 0; try < 2; try++) {
			i = first_tuple(handle, tuple, parse);
			while (i != CS_NO_MORE_ITEMS) {
				if (i != CS_SUCCESS)
					goto next_entry;
				if (cf->vpp1.present & (1 << CISTPL_POWER_VNOM))
					link->conf.Vpp1 = link->conf.Vpp2 =
					    cf->vpp1.param[CISTPL_POWER_VNOM] / 10000;
				if ((cf->io.nwin > 0) && (cf->io.win[0].len == size_table[s]) &&
					    (cf->io.win[0].base != 0)) {
					link->conf.ConfigIndex = cf->index;
					link->io.BasePort1 = cf->io.win[0].base;
					link->io.IOAddrLines = (try == 0) ?
					    16 : cf->io.flags & CISTPL_IO_LINES_MASK;
					i = pcmcia_request_io(link->handle, &link->io);
					if (i == CS_SUCCESS)
						goto found_port;
				}
next_entry:
				i = next_tuple(handle, tuple, parse);
			}
		}
	}
	/* Second pass: try to find an entry that isn't picky about
	   its base address, then try to grab any standard serial port
	   address, and finally try to get any free port. */
	i = first_tuple(handle, tuple, parse);
	while (i != CS_NO_MORE_ITEMS) {
		if ((i == CS_SUCCESS) && (cf->io.nwin > 0) &&
		    ((cf->io.flags & CISTPL_IO_LINES_MASK) <= 3)) {
			link->conf.ConfigIndex = cf->index;
			for (j = 0; j < 5; j++) {
				link->io.BasePort1 = base[j];
				link->io.IOAddrLines = base[j] ? 16 : 3;
				i = pcmcia_request_io(link->handle, &link->io);
				if (i == CS_SUCCESS)
					goto found_port;
			}
		}
		i = next_tuple(handle, tuple, parse);
	}

      found_port:
	if (i != CS_SUCCESS) {
		printk(KERN_NOTICE
		       "serial_cs: no usable port range found, giving up\n");
		cs_error(link->handle, RequestIO, i);
		kfree(cfg_mem);
		return -1;
//.........这里部分代码省略.........

static int tc589_config(struct pcmcia_device *link)
{
    struct net_device *dev = link->priv;
    struct el3_private *lp = netdev_priv(dev);
    tuple_t tuple;
    cisparse_t parse;
    u16 buf[32], *phys_addr;
    int last_fn, last_ret, i, j, multi = 0, fifo;
    kio_addr_t ioaddr;
    char *ram_split[] = {"5:3", "3:1", "1:1", "3:5"};
    
    DEBUG(0, "3c589_config(0x%p)\n", link);

    phys_addr = (u16 *)dev->dev_addr;
    tuple.Attributes = 0;
    tuple.DesiredTuple = CISTPL_CONFIG;
    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
    tuple.TupleData = (cisdata_t *)buf;
    tuple.TupleDataMax = sizeof(buf);
    tuple.TupleOffset = 0;
    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.Present = parse.config.rmask[0];
    
    /* Is this a 3c562? */
    tuple.DesiredTuple = CISTPL_MANFID;
    tuple.Attributes = TUPLE_RETURN_COMMON;
    if ((pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) &&
	(pcmcia_get_tuple_data(link, &tuple) == CS_SUCCESS)) {
	if (le16_to_cpu(buf[0]) != MANFID_3COM)
	    printk(KERN_INFO "3c589_cs: hmmm, is this really a "
		   "3Com card??\n");
	multi = (le16_to_cpu(buf[1]) == PRODID_3COM_3C562);
    }

    /* For the 3c562, the base address must be xx00-xx7f */
    link->io.IOAddrLines = 16;
    for (i = j = 0; j < 0x400; j += 0x10) {
	if (multi && (j & 0x80)) continue;
	link->io.BasePort1 = j ^ 0x300;
	i = pcmcia_request_io(link, &link->io);
	if (i == CS_SUCCESS) break;
    }
    if (i != CS_SUCCESS) {
	cs_error(link, RequestIO, i);
	goto failed;
    }
    CS_CHECK(RequestIRQ, pcmcia_request_irq(link, &link->irq));
    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(link, &link->conf));
	
    dev->irq = link->irq.AssignedIRQ;
    dev->base_addr = link->io.BasePort1;
    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. */
    tuple.DesiredTuple = 0x88;
    if (pcmcia_get_first_tuple(link, &tuple) == CS_SUCCESS) {
	pcmcia_get_tuple_data(link, &tuple);
	for (i = 0; i < 3; i++)
	    phys_addr[i] = htons(buf[i]);
    } else {
	for (i = 0; i < 3; i++)
	    phys_addr[i] = htons(read_eeprom(ioaddr, i));
	if (phys_addr[0] == 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");
    
    link->dev_node = &lp->node;
    SET_NETDEV_DEV(dev, &handle_to_dev(link));

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

    strcpy(lp->node.dev_name, dev->name);

    printk(KERN_INFO "%s: 3Com 3c%s, io %#3lx, irq %d, hw_addr ",
	   dev->name, (multi ? "562" : "589"), dev->base_addr,
	   dev->irq);
    for (i = 0; i < 6; i++)
	printk("%02X%s", dev->dev_addr[i], ((i<5) ? ":" : "\n"));
//.........这里部分代码省略.........

static void labpc_config(struct pcmcia_device *link)
{
	struct local_info_t *dev = link->priv;
	tuple_t tuple;
	cisparse_t parse;
	int last_ret;
	u_char buf[64];
	win_req_t req;
	memreq_t map;
	cistpl_cftable_entry_t dflt = { 0 };

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

	/*
	   This reads the card's CONFIG tuple to find its configuration
	   registers.
	 */
	tuple.DesiredTuple = CISTPL_CONFIG;
	tuple.Attributes = 0;
	tuple.TupleData = buf;
	tuple.TupleDataMax = sizeof(buf);
	tuple.TupleOffset = 0;

	last_ret = pcmcia_get_first_tuple(link, &tuple);
	if (last_ret) {
		cs_error(link, GetFirstTuple, last_ret);
		goto cs_failed;
	}

	last_ret = pcmcia_get_tuple_data(link, &tuple);
	if (last_ret) {
		cs_error(link, GetTupleData, last_ret);
		goto cs_failed;
	}

	last_ret = pcmcia_parse_tuple(&tuple, &parse);
	if (last_ret) {
		cs_error(link, ParseTuple, last_ret);
		goto cs_failed;
	}
	link->conf.ConfigBase = parse.config.base;
	link->conf.Present = parse.config.rmask[0];

	/*
	   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.
	 */
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	last_ret = pcmcia_get_first_tuple(link, &tuple);
	if (last_ret) {
		cs_error(link, GetFirstTuple, last_ret);
		goto cs_failed;
	}
	while (1) {
		cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
		if (pcmcia_get_tuple_data(link, &tuple))
			goto next_entry;
		if (pcmcia_parse_tuple(&tuple, &parse))
			goto next_entry;

		if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
			dflt = *cfg;
		if (cfg->index == 0)
			goto next_entry;
		link->conf.ConfigIndex = cfg->index;

		/* Does this card need audio output? */
		if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
			link->conf.Attributes |= CONF_ENABLE_SPKR;
			link->conf.Status = CCSR_AUDIO_ENA;
		}

		/* Do we need to allocate 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 (io->nwin > 1) {
				link->io.Attributes2 = link->io.Attributes1;
				link->io.BasePort2 = io->win[1].base;
				link->io.NumPorts2 = io->win[1].len;
			}
			/* This reserves IO space but doesn't actually enable it */
			if (pcmcia_request_io(link, &link->io))
				goto next_entry;
//.........这里部分代码省略.........

static int com20020_config(struct pcmcia_device *link)
{
    struct arcnet_local *lp;
    com20020_dev_t *info;
    struct net_device *dev;
    int i, ret;
    int ioaddr;

    info = link->priv;
    dev = info->dev;

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

    dev_dbg(&link->dev, "com20020_config\n");

    dev_dbg(&link->dev, "baseport1 is %Xh\n",
	    (unsigned int) link->resource[0]->start);

    i = -ENODEV;
    link->io_lines = 16;

    if (!link->resource[0]->start)
    {
	for (ioaddr = 0x100; ioaddr < 0x400; ioaddr += 0x10)
	{
	    link->resource[0]->start = ioaddr;
	    i = pcmcia_request_io(link);
	    if (i == 0)
		break;
	}
    }
    else
	i = pcmcia_request_io(link);
    
    if (i != 0)
    {
	dev_dbg(&link->dev, "requestIO failed totally!\n");
	goto failed;
    }
	
    ioaddr = dev->base_addr = link->resource[0]->start;
    dev_dbg(&link->dev, "got ioaddr %Xh\n", ioaddr);

    dev_dbg(&link->dev, "request IRQ %d\n",
	    link->irq);
    if (!link->irq)
    {
	dev_dbg(&link->dev, "requestIRQ failed totally!\n");
	goto failed;
    }

    dev->irq = link->irq;

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

    if (com20020_check(dev))
    {
	regdump(dev);
	goto failed;
    }
    
    lp = netdev_priv(dev);
    lp->card_name = "PCMCIA COM20020";
    lp->card_flags = ARC_CAN_10MBIT; /* pretend all of them can 10Mbit */

    SET_NETDEV_DEV(dev, &link->dev);

    i = com20020_found(dev, 0);	/* calls register_netdev */
    
    if (i != 0) {
	dev_notice(&link->dev,
		   "com20020_found() failed\n");
	goto failed;
    }

    netdev_dbg(dev, "port %#3lx, irq %d\n",
	       dev->base_addr, dev->irq);
    return 0;

failed:
    dev_dbg(&link->dev, "com20020_config failed...\n");
    com20020_release(link);
    return -ENODEV;
} /* com20020_config */

static int avma1cs_config(struct pcmcia_device *link)
{
    tuple_t tuple;
    cisparse_t parse;
    cistpl_cftable_entry_t *cf = &parse.cftable_entry;
    local_info_t *dev;
    int i;
    u_char buf[64];
    char devname[128];
    IsdnCard_t	icard;
    int busy = 0;

    dev = link->priv;

    DEBUG(0, "avma1cs_config(0x%p)\n", link);

    /*
       This reads the card's CONFIG tuple to find its configuration
       registers.
    */
    do {
	tuple.DesiredTuple = CISTPL_CONFIG;
	i = pcmcia_get_first_tuple(link, &tuple);
	if (i != CS_SUCCESS) break;
	tuple.TupleData = buf;
	tuple.TupleDataMax = 64;
	tuple.TupleOffset = 0;
	i = pcmcia_get_tuple_data(link, &tuple);
	if (i != CS_SUCCESS) break;
	i = pcmcia_parse_tuple(link, &tuple, &parse);
	if (i != CS_SUCCESS) break;
	link->conf.ConfigBase = parse.config.base;
    } while (0);
    if (i != CS_SUCCESS) {
	cs_error(link, ParseTuple, i);
	return -ENODEV;
    }

    do {

	tuple.Attributes = 0;
	tuple.TupleData = buf;
	tuple.TupleDataMax = 254;
	tuple.TupleOffset = 0;
	tuple.DesiredTuple = CISTPL_VERS_1;

	devname[0] = 0;
	if( !first_tuple(link, &tuple, &parse) && parse.version_1.ns > 1 ) {
	    strlcpy(devname,parse.version_1.str + parse.version_1.ofs[1], 
			sizeof(devname));
	}
	/*
         * find IO port
         */
	tuple.TupleData = (cisdata_t *)buf;
	tuple.TupleOffset = 0; tuple.TupleDataMax = 255;
	tuple.Attributes = 0;
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	i = first_tuple(link, &tuple, &parse);
	while (i == CS_SUCCESS) {
	    if (cf->io.nwin > 0) {
		link->conf.ConfigIndex = cf->index;
		link->io.BasePort1 = cf->io.win[0].base;
		link->io.NumPorts1 = cf->io.win[0].len;
		link->io.NumPorts2 = 0;
		printk(KERN_INFO "avma1_cs: testing i/o %#x-%#x\n",
			link->io.BasePort1,
			link->io.BasePort1+link->io.NumPorts1 - 1);
		i = pcmcia_request_io(link, &link->io);
		if (i == CS_SUCCESS) goto found_port;
	    }
	    i = next_tuple(link, &tuple, &parse);
	}

found_port:
	if (i != CS_SUCCESS) {
	    cs_error(link, RequestIO, i);
	    break;
	}
	
	/*
	 * allocate an interrupt line
	 */
	i = pcmcia_request_irq(link, &link->irq);
	if (i != CS_SUCCESS) {
	    cs_error(link, RequestIRQ, i);
	    /* undo */
	    pcmcia_disable_device(link);
	    break;
	}

	/*
	 * configure the PCMCIA socket
	 */
	i = pcmcia_request_configuration(link, &link->conf);
	if (i != CS_SUCCESS) {
	    cs_error(link, RequestConfiguration, i);
	    pcmcia_disable_device(link);
	    break;
	}
//.........这里部分代码省略.........

static int atmel_config(struct pcmcia_device *link)
{
	tuple_t tuple;
	cisparse_t parse;
	local_info_t *dev;
	int last_fn, last_ret;
	u_char buf[64];
	struct pcmcia_device_id *did;

	dev = link->priv;
	did = handle_to_dev(link).driver_data;

	DEBUG(0, "atmel_config(0x%p)\n", link);
	
	tuple.Attributes = 0;
	tuple.TupleData = buf;
	tuple.TupleDataMax = sizeof(buf);
	tuple.TupleOffset = 0;
	
	/*
	  This reads the card's CONFIG tuple to find its configuration
	  registers.
	*/
	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.Present = parse.config.rmask[0];

	/*
	  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.
	*/
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(link, &tuple));
	while (1) {
		cistpl_cftable_entry_t dflt = { 0 };
		cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
		if (pcmcia_get_tuple_data(link, &tuple) != 0 ||
				pcmcia_parse_tuple(link, &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;
		
		/* Does this card need audio output? */
		if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
			link->conf.Attributes |= CONF_ENABLE_SPKR;
			link->conf.Status = CCSR_AUDIO_ENA;
		}
		
		/* Use power settings for Vcc and Vpp if present */
		/*  Note that the CIS values need to be rescaled */
		if (cfg->vpp1.present & (1<<CISTPL_POWER_VNOM))
			link->conf.Vpp =
				cfg->vpp1.param[CISTPL_POWER_VNOM]/10000;
		else if (dflt.vpp1.present & (1<<CISTPL_POWER_VNOM))
			link->conf.Vpp =
				dflt.vpp1.param[CISTPL_POWER_VNOM]/10000;
		
		/* Do we need to allocate 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_AUTO;
			if (!(io->flags & CISTPL_IO_8BIT))
				link->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
			if (!(io->flags & CISTPL_IO_16BIT))
				link->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
			link->io.BasePort1 = io->win[0].base;
			link->io.NumPorts1 = io->win[0].len;
			if (io->nwin > 1) {
				link->io.Attributes2 = link->io.Attributes1;
				link->io.BasePort2 = io->win[1].base;
				link->io.NumPorts2 = io->win[1].len;
			}
		}
		
		/* This reserves IO space but doesn't actually enable it */
		if (pcmcia_request_io(link, &link->io) != 0)
			goto next_entry;

		/* If we got this far, we're cool! */
		break;
		
	next_entry:
//.........这里部分代码省略.........

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;
    static const char * const 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)
	    dev_info(&link->dev, "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_enable_device(link);
    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)) {
	    dev_err(&link->dev, "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
	dev_err(&link->dev, "invalid if_port requested\n");

    SET_NETDEV_DEV(dev, &link->dev);

    if (register_netdev(dev) != 0) {
	    dev_err(&link->dev, "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 */

static void avmcs_config(dev_link_t *link)
{
    client_handle_t handle;
    tuple_t tuple;
    cisparse_t parse;
    cistpl_cftable_entry_t *cf = &parse.cftable_entry;
    local_info_t *dev;
    int i;
    u_char buf[64];
    char devname[128];
    int cardtype;
    int (*addcard)(unsigned int port, unsigned irq);
    
    handle = link->handle;
    dev = link->priv;

    /*
       This reads the card's CONFIG tuple to find its configuration
       registers.
    */
    do {
	tuple.DesiredTuple = CISTPL_CONFIG;
	i = pcmcia_get_first_tuple(handle, &tuple);
	if (i != CS_SUCCESS) break;
	tuple.TupleData = buf;
	tuple.TupleDataMax = 64;
	tuple.TupleOffset = 0;
	i = pcmcia_get_tuple_data(handle, &tuple);
	if (i != CS_SUCCESS) break;
	i = pcmcia_parse_tuple(handle, &tuple, &parse);
	if (i != CS_SUCCESS) break;
	link->conf.ConfigBase = parse.config.base;
    } while (0);
    if (i != CS_SUCCESS) {
	cs_error(link->handle, ParseTuple, i);
	link->state &= ~DEV_CONFIG_PENDING;
	return;
    }
    
    /* Configure card */
    link->state |= DEV_CONFIG;

    do {

	tuple.Attributes = 0;
	tuple.TupleData = buf;
	tuple.TupleDataMax = 254;
	tuple.TupleOffset = 0;
	tuple.DesiredTuple = CISTPL_VERS_1;

	devname[0] = 0;
	if( !first_tuple(handle, &tuple, &parse) && parse.version_1.ns > 1 ) {
	    strlcpy(devname,parse.version_1.str + parse.version_1.ofs[1], 
			sizeof(devname));
	}
	/*
         * find IO port
         */
	tuple.TupleData = (cisdata_t *)buf;
	tuple.TupleOffset = 0; tuple.TupleDataMax = 255;
	tuple.Attributes = 0;
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	i = first_tuple(handle, &tuple, &parse);
	while (i == CS_SUCCESS) {
	    if (cf->io.nwin > 0) {
		link->conf.ConfigIndex = cf->index;
		link->io.BasePort1 = cf->io.win[0].base;
		link->io.NumPorts1 = cf->io.win[0].len;
		link->io.NumPorts2 = 0;
                printk(KERN_INFO "avm_cs: testing i/o %#x-%#x\n",
			link->io.BasePort1,
		        link->io.BasePort1+link->io.NumPorts1-1);
		i = pcmcia_request_io(link->handle, &link->io);
		if (i == CS_SUCCESS) goto found_port;
	    }
	    i = next_tuple(handle, &tuple, &parse);
	}

found_port:
	if (i != CS_SUCCESS) {
	    cs_error(link->handle, RequestIO, i);
	    break;
	}
	
	/*
	 * allocate an interrupt line
	 */
	i = pcmcia_request_irq(link->handle, &link->irq);
	if (i != CS_SUCCESS) {
	    cs_error(link->handle, RequestIRQ, i);
	    pcmcia_release_io(link->handle, &link->io);
	    break;
	}
	
	/*
         * configure the PCMCIA socket
	  */
	i = pcmcia_request_configuration(link->handle, &link->conf);
	if (i != CS_SUCCESS) {
	    cs_error(link->handle, RequestConfiguration, i);
//.........这里部分代码省略.........

static int
xirc2ps_config(struct pcmcia_device * link)
{
    struct net_device *dev = link->priv;
    local_info_t *local = netdev_priv(dev);
    unsigned int ioaddr;
    int err;
    u8 *buf;
    size_t len;

    local->dingo_ccr = NULL;

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

    
    if (link->has_manf_id == 0) {
	pr_notice("manfid not found in CIS\n");
	goto failure;
    }

    switch (link->manf_id) {
      case MANFID_XIRCOM:
	local->manf_str = "Xircom";
	break;
      case MANFID_ACCTON:
	local->manf_str = "Accton";
	break;
      case MANFID_COMPAQ:
      case MANFID_COMPAQ2:
	local->manf_str = "Compaq";
	break;
      case MANFID_INTEL:
	local->manf_str = "Intel";
	break;
      case MANFID_TOSHIBA:
	local->manf_str = "Toshiba";
	break;
      default:
	pr_notice("Unknown Card Manufacturer ID: 0x%04x\n",
		  (unsigned)link->manf_id);
	goto failure;
    }
    dev_dbg(&link->dev, "found %s card\n", local->manf_str);

    if (!set_card_type(link)) {
	pr_notice("this card is not supported\n");
	goto failure;
    }

    
    err = pcmcia_get_mac_from_cis(link, dev);

    
    if (err) {
	    len = pcmcia_get_tuple(link, 0x89, &buf);
	    
	    if (buf && len == 8) {
		    if (*buf == CISTPL_FUNCE_LAN_NODE_ID) {
			    int i;
			    for (i = 2; i < 6; i++)
				    dev->dev_addr[i] = buf[i+2];
		    } else
			    err = -1;
	    }
	    kfree(buf);
    }

    if (err)
	err = pcmcia_loop_tuple(link, CISTPL_FUNCE, pcmcia_get_mac_ce, dev);

    if (err) {
	pr_notice("node-id not found in CIS\n");
	goto failure;
    }

    if (local->modem) {
	int pass;
	link->config_flags |= CONF_AUTO_SET_IO;

	if (local->dingo) {
	    if (!pcmcia_loop_config(link, xirc2ps_config_modem, NULL))
		    goto port_found;
	} else {
	    for (pass=0; pass < 2; pass++)
		    if (!pcmcia_loop_config(link, xirc2ps_config_check,
						    &pass))
			    goto port_found;
	}
	pr_notice("no ports available\n");
    } else {
	link->io_lines = 10;
	link->resource[0]->end = 16;
	link->resource[0]->flags |= IO_DATA_PATH_WIDTH_16;
	for (ioaddr = 0x300; ioaddr < 0x400; ioaddr += 0x10) {
	    link->resource[0]->start = ioaddr;
	    if (!(err = pcmcia_request_io(link)))
		goto port_found;
	}
	link->resource[0]->start = 0; 
	if ((err = pcmcia_request_io(link)))
//.........这里部分代码省略.........

static int avmcs_config(struct pcmcia_device *link)
{
    tuple_t tuple;
    cisparse_t parse;
    cistpl_cftable_entry_t *cf = &parse.cftable_entry;
    local_info_t *dev;
    int i;
    u_char buf[64];
    char devname[128];
    int cardtype;
    int (*addcard)(unsigned int port, unsigned irq);

    dev = link->priv;

    do {
	devname[0] = 0;
	if (link->prod_id[1])
		strlcpy(devname, link->prod_id[1], sizeof(devname));

	/*
         * find IO port
         */
	tuple.TupleData = (cisdata_t *)buf;
	tuple.TupleOffset = 0; tuple.TupleDataMax = 255;
	tuple.Attributes = 0;
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	i = first_tuple(link, &tuple, &parse);
	while (i == CS_SUCCESS) {
	    if (cf->io.nwin > 0) {
		link->conf.ConfigIndex = cf->index;
		link->io.BasePort1 = cf->io.win[0].base;
		link->io.NumPorts1 = cf->io.win[0].len;
		link->io.NumPorts2 = 0;
                printk(KERN_INFO "avm_cs: testing i/o %#x-%#x\n",
			link->io.BasePort1,
		        link->io.BasePort1+link->io.NumPorts1-1);
		i = pcmcia_request_io(link, &link->io);
		if (i == CS_SUCCESS) goto found_port;
	    }
	    i = next_tuple(link, &tuple, &parse);
	}

found_port:
	if (i != CS_SUCCESS) {
	    cs_error(link, RequestIO, i);
	    break;
	}

	/*
	 * allocate an interrupt line
	 */
	i = pcmcia_request_irq(link, &link->irq);
	if (i != CS_SUCCESS) {
	    cs_error(link, RequestIRQ, i);
	    /* undo */
	    pcmcia_disable_device(link);
	    break;
	}

	/*
         * configure the PCMCIA socket
	  */
	i = pcmcia_request_configuration(link, &link->conf);
	if (i != CS_SUCCESS) {
	    cs_error(link, RequestConfiguration, i);
	    pcmcia_disable_device(link);
	    break;
	}

    } while (0);

    /* At this point, the dev_node_t structure(s) should be
       initialized and arranged in a linked list at link->dev. */

    if (devname[0]) {
	char *s = strrchr(devname, ' ');
	if (!s)
	   s = devname;
	else s++;
	strcpy(dev->node.dev_name, s);
        if (strcmp("M1", s) == 0) {
           cardtype = AVM_CARDTYPE_M1;
        } else if (strcmp("M2", s) == 0) {
           cardtype = AVM_CARDTYPE_M2;
	} else {
           cardtype = AVM_CARDTYPE_B1;
	}
    } else {
        strcpy(dev->node.dev_name, "b1");
        cardtype = AVM_CARDTYPE_B1;
    }

    dev->node.major = 64;
    dev->node.minor = 0;
    link->dev_node = &dev->node;

    /* If any step failed, release any partially configured state */
    if (i != 0) {
	avmcs_release(link);
	return -ENODEV;
//.........这里部分代码省略.........

static int config_ipwireless(struct ipw_dev *ipw)
{
	struct pcmcia_device *link = ipw->link;
	int ret;
	tuple_t tuple;
	unsigned short buf[64];
	cisparse_t parse;
	unsigned short cor_value;
	memreq_t memreq_attr_memory;
	memreq_t memreq_common_memory;

	ipw->is_v2_card = 0;

	tuple.Attributes = 0;
	tuple.TupleData = (cisdata_t *) buf;
	tuple.TupleDataMax = sizeof(buf);
	tuple.TupleOffset = 0;

	tuple.DesiredTuple = RETURN_FIRST_TUPLE;

	ret = pcmcia_get_first_tuple(link, &tuple);

	while (ret == 0) {
		ret = pcmcia_get_tuple_data(link, &tuple);

		if (ret != 0) {
			cs_error(link, GetTupleData, ret);
			goto exit0;
		}
		ret = pcmcia_get_next_tuple(link, &tuple);
	}

	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;

	ret = pcmcia_get_first_tuple(link, &tuple);

	if (ret != 0) {
		cs_error(link, GetFirstTuple, ret);
		goto exit0;
	}

	ret = pcmcia_get_tuple_data(link, &tuple);

	if (ret != 0) {
		cs_error(link, GetTupleData, ret);
		goto exit0;
	}

	ret = pcmcia_parse_tuple(&tuple, &parse);

	if (ret != 0) {
		cs_error(link, ParseTuple, ret);
		goto exit0;
	}

	link->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
	link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
	link->io.NumPorts1 = parse.cftable_entry.io.win[0].len;
	link->io.IOAddrLines = 16;

	link->irq.IRQInfo1 = parse.cftable_entry.irq.IRQInfo1;

	/* 0x40 causes it to generate level mode interrupts. */
	/* 0x04 enables IREQ pin. */
	cor_value = parse.cftable_entry.index | 0x44;
	link->conf.ConfigIndex = cor_value;

	/* IRQ and I/O settings */
	tuple.DesiredTuple = CISTPL_CONFIG;

	ret = pcmcia_get_first_tuple(link, &tuple);

	if (ret != 0) {
		cs_error(link, GetFirstTuple, ret);
		goto exit0;
	}

	ret = pcmcia_get_tuple_data(link, &tuple);

	if (ret != 0) {
		cs_error(link, GetTupleData, ret);
		goto exit0;
	}

	ret = pcmcia_parse_tuple(&tuple, &parse);

	if (ret != 0) {
		cs_error(link, GetTupleData, ret);
		goto exit0;
	}
	link->conf.Attributes = CONF_ENABLE_IRQ;
	link->conf.ConfigBase = parse.config.base;
	link->conf.Present = parse.config.rmask[0];
	link->conf.IntType = INT_MEMORY_AND_IO;

	link->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_HANDLE_PRESENT;
	link->irq.Handler = ipwireless_interrupt;
	link->irq.Instance = ipw->hardware;

	ret = pcmcia_request_io(link, &link->io);
//.........这里部分代码省略.........