static int get_tuple(struct pcmcia_device *handle, tuple_t *tuple,
		     cisparse_t *parse)
{
    int i = pcmcia_get_tuple_data(handle, tuple);
    if (i != CS_SUCCESS) return i;
    return pcmcia_parse_tuple(handle, tuple, parse);
}

/**
 * pccard_read_tuple() - internal CIS tuple access
 * @s:		the struct pcmcia_socket where the card is inserted
 * @function:	the device function we loop for
 * @code:	which CIS code shall we look for?
 * @parse:	buffer where the tuple shall be parsed (or NULL, if no parse)
 *
 * pccard_read_tuple() reads out one tuple and attempts to parse it
 */
int pccard_read_tuple(struct pcmcia_socket *s, unsigned int function,
		cisdata_t code, void *parse)
{
	tuple_t tuple;
	cisdata_t *buf;
	int ret;

	buf = kmalloc(256, GFP_KERNEL);
	if (buf == NULL) {
#ifdef CONFIG_DEBUG_PRINTK
		dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n");
#else
		dev_;
#endif
		return -ENOMEM;
	}
	tuple.DesiredTuple = code;
	tuple.Attributes = 0;
	if (function == BIND_FN_ALL)
		tuple.Attributes = TUPLE_RETURN_COMMON;
	ret = pccard_get_first_tuple(s, function, &tuple);
	if (ret != 0)
		goto done;
	tuple.TupleData = buf;
	tuple.TupleOffset = 0;
	tuple.TupleDataMax = 255;
	ret = pccard_get_tuple_data(s, &tuple);
	if (ret != 0)
		goto done;
	ret = pcmcia_parse_tuple(&tuple, parse);
done:
	kfree(buf);
	return ret;
}

static int get_tuple(client_handle_t handle, tuple_t *tuple,
		     cisparse_t *parse)
{
    int i = pcmcia_get_tuple_data(handle, tuple);
    if (i != CS_SUCCESS) return i;
    return pcmcia_parse_tuple(handle, tuple, parse);
}

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
first_tuple(struct pcmcia_device *handle, tuple_t * tuple, cisparse_t * parse)
{
	int i;
	i = pcmcia_get_first_tuple(handle, tuple);
	if (i != CS_SUCCESS)
		return CS_NO_MORE_ITEMS;
	i = pcmcia_get_tuple_data(handle, tuple);
	if (i != CS_SUCCESS)
		return i;
	return pcmcia_parse_tuple(handle, tuple, parse);
}

/**
 * pcmcia_loop_config() - loop over configuration options
 * @p_dev:	the struct pcmcia_device which we need to loop for.
 * @conf_check:	function to call for each configuration option.
 *		It gets passed the struct pcmcia_device, the CIS data
 *		describing the configuration option, and private data
 *		being passed to pcmcia_loop_config()
 * @priv_data:	private data to be passed to the conf_check function.
 *
 * pcmcia_loop_config() loops over all configuration options, and calls
 * the driver-specific conf_check() for each one, checking whether
 * it is a valid one. Returns 0 on success or errorcode otherwise.
 */
int pcmcia_loop_config(struct pcmcia_device *p_dev,
		       int	(*conf_check)	(struct pcmcia_device *p_dev,
						 cistpl_cftable_entry_t *cfg,
						 cistpl_cftable_entry_t *dflt,
						 unsigned int vcc,
						 void *priv_data),
		       void *priv_data)
{
	struct pcmcia_cfg_mem *cfg_mem;

	tuple_t *tuple;
	int ret;
	unsigned int vcc;

	cfg_mem = kzalloc(sizeof(struct pcmcia_cfg_mem), GFP_KERNEL);
	if (cfg_mem == NULL)
		return -ENOMEM;

	/* get the current Vcc setting */
	vcc = p_dev->socket->socket.Vcc;

	tuple = &cfg_mem->tuple;
	tuple->TupleData = cfg_mem->buf;
	tuple->TupleDataMax = 255;
	tuple->TupleOffset = 0;
	tuple->DesiredTuple = CISTPL_CFTABLE_ENTRY;
	tuple->Attributes = 0;

	ret = pcmcia_get_first_tuple(p_dev, tuple);
	while (!ret) {
		cistpl_cftable_entry_t *cfg = &cfg_mem->parse.cftable_entry;

		if (pcmcia_get_tuple_data(p_dev, tuple))
			goto next_entry;

		if (pcmcia_parse_tuple(tuple, &cfg_mem->parse))
			goto next_entry;

		/* default values */
		p_dev->conf.ConfigIndex = cfg->index;
		if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
			cfg_mem->dflt = *cfg;

		ret = conf_check(p_dev, cfg, &cfg_mem->dflt, vcc, priv_data);
		if (!ret)
			break;

next_entry:
		ret = pcmcia_get_next_tuple(p_dev, tuple);
	}

	return ret;
}

static int
next_tuple(client_handle_t handle, tuple_t * tuple, cisparse_t * parse)
{
	int i;
	i = pcmcia_get_next_tuple(handle, tuple);
	if (i != CS_SUCCESS)
		return CS_NO_MORE_ITEMS;
	i = pcmcia_get_tuple_data(handle, tuple);
	if (i != CS_SUCCESS)
		return i;
	return pcmcia_parse_tuple(handle, tuple, parse);
}

/**
 * pccard_loop_tuple() - loop over tuples in the CIS
 * @s:		the struct pcmcia_socket where the card is inserted
 * @function:	the device function we loop for
 * @code:	which CIS code shall we look for?
 * @parse:	buffer where the tuple shall be parsed (or NULL, if no parse)
 * @priv_data:	private data to be passed to the loop_tuple function.
 * @loop_tuple:	function to call for each CIS entry of type @function. IT
 *		gets passed the raw tuple, the paresed tuple (if @parse is
 *		set) and @priv_data.
 *
 * pccard_loop_tuple() loops over all CIS entries of type @function, and
 * calls the @loop_tuple function for each entry. If the call to @loop_tuple
 * returns 0, the loop exits. Returns 0 on success or errorcode otherwise.
 */
int pccard_loop_tuple(struct pcmcia_socket *s, unsigned int function,
		      cisdata_t code, cisparse_t *parse, void *priv_data,
		      int (*loop_tuple) (tuple_t *tuple,
					 cisparse_t *parse,
					 void *priv_data))
{
	tuple_t tuple;
	cisdata_t *buf;
	int ret;

	buf = kzalloc(256, GFP_KERNEL);
	if (buf == NULL) {
#ifdef CONFIG_DEBUG_PRINTK
		dev_printk(KERN_WARNING, &s->dev, "no memory to read tuple\n");
#else
		dev_;
#endif
		return -ENOMEM;
	}

	tuple.TupleData = buf;
	tuple.TupleDataMax = 255;
	tuple.TupleOffset = 0;
	tuple.DesiredTuple = code;
	tuple.Attributes = 0;

	ret = pccard_get_first_tuple(s, function, &tuple);
	while (!ret) {
		if (pccard_get_tuple_data(s, &tuple))
			goto next_entry;

		if (parse)
			if (pcmcia_parse_tuple(&tuple, parse))
				goto next_entry;

		ret = loop_tuple(&tuple, parse, priv_data);
		if (!ret)
			break;

next_entry:
		ret = pccard_get_next_tuple(s, function, &tuple);
	}

	kfree(buf);
	return ret;
}

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 prism2_cs_probe(struct pcmcia_device *pdev)
{
	int rval = 0;
	struct wlandevice *wlandev = NULL;
	hfa384x_t *hw = NULL;

        config_info_t socketconf;
        cisparse_t *parse = NULL;
	tuple_t tuple;
	uint8_t	buf[64];
        int last_fn, last_ret;
        cistpl_cftable_entry_t dflt = { 0 };

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
	dev_link_t *link;
#endif

	DBFENTER;

#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
	/* Set up interrupt type */
        pdev->conf.IntType = INT_MEMORY_AND_IO;
#else
        link = kmalloc(sizeof(dev_link_t), GFP_KERNEL);
        if (link == NULL)
                return -ENOMEM;
        memset(link, 0, sizeof(dev_link_t));

        link->conf.Vcc = 33;
        link->conf.IntType = INT_MEMORY_AND_IO;

        link->handle = pdev;
        pdev->instance = link;
        link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;

#endif

	// VCC crap?
        parse = kmalloc(sizeof(cisparse_t), GFP_KERNEL);

	wlandev = create_wlan();
	if (!wlandev || !parse) {
		WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
		rval = -EIO;
		goto failed;
	}
	hw = wlandev->priv;

	if ( wlan_setup(wlandev) != 0 ) {
		WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info);
		rval = -EIO;
		goto failed;
	}

	/* Initialize the hw struct for now */
	hfa384x_create(hw, 0, 0, NULL);
	hw->wlandev = wlandev;

#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
	hw->pdev = pdev;
	pdev->priv = wlandev;
#else
	hw->link = link;
	link->priv = wlandev;
#endif

        tuple.DesiredTuple = CISTPL_CONFIG;
        tuple.Attributes = 0;
        tuple.TupleData = buf;
        tuple.TupleDataMax = sizeof(buf);
        tuple.TupleOffset = 0;
        CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
        CS_CHECK(GetTupleData, pcmcia_get_tuple_data(pdev, &tuple));
        CS_CHECK(ParseTuple, pcmcia_parse_tuple(pdev, &tuple, parse));
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
        pdev->conf.ConfigBase = parse->config.base;
        pdev->conf.Present = parse->config.rmask[0];
#else
        link->conf.ConfigBase = parse->config.base;
        link->conf.Present = parse->config.rmask[0];

	link->conf.Vcc = socketconf.Vcc;
#endif
        CS_CHECK(GetConfigurationInfo,
                 pcmcia_get_configuration_info(pdev, &socketconf));

	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(pdev, &tuple));
        for (;;) {
		cistpl_cftable_entry_t *cfg = &(parse->cftable_entry);
                CFG_CHECK(GetTupleData,
                           pcmcia_get_tuple_data(pdev, &tuple));
                CFG_CHECK(ParseTuple,
                           pcmcia_parse_tuple(pdev, &tuple, parse));

                if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
                        dflt = *cfg;
                if (cfg->index == 0)
                        goto next_entry;
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
//.........这里部分代码省略.........

static void sl811_cs_config(dev_link_t *link)
{
	client_handle_t		handle = link->handle;
	struct device		*parent = &handle_to_dev(handle);
	local_info_t		*dev = link->priv;
	tuple_t			tuple;
	cisparse_t		parse;
	int			last_fn, last_ret;
	u_char			buf[64];
	config_info_t		conf;
	cistpl_cftable_entry_t	dflt = { 0 };

	DBG(0, "sl811_cs_config(0x%p)\n", link);

	tuple.DesiredTuple = CISTPL_CONFIG;
	tuple.Attributes = 0;
	tuple.TupleData = buf;
	tuple.TupleDataMax = sizeof(buf);
	tuple.TupleOffset = 0;
	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];

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

	/* Look up the current Vcc */
	CS_CHECK(GetConfigurationInfo,
			pcmcia_get_configuration_info(handle, &conf));
	link->conf.Vcc = conf.Vcc;

	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)
//.........这里部分代码省略.........

static int ixj_config(struct pcmcia_device * link)
{
	IXJ *j;
	ixj_info_t *info;
	tuple_t tuple;
	u_short buf[128];
	cisparse_t parse;
	cistpl_cftable_entry_t *cfg = &parse.cftable_entry;
	cistpl_cftable_entry_t dflt =
	{
		0
	};
	int last_ret, last_fn;
	info = link->priv;
	DEBUG(0, "ixj_config(0x%p)\n", link);
	tuple.TupleData = (cisdata_t *) buf;
	tuple.TupleOffset = 0;
	tuple.TupleDataMax = 255;
	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 ||
				pcmcia_parse_tuple(link, &tuple, &parse) != 0)
			goto next_entry;
		if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
			cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
			link->conf.ConfigIndex = cfg->index;
			link->io.BasePort1 = io->win[0].base;
			link->io.NumPorts1 = io->win[0].len;
			if (io->nwin == 2) {
				link->io.BasePort2 = io->win[1].base;
				link->io.NumPorts2 = io->win[1].len;
			}
			if (pcmcia_request_io(link, &link->io) != 0)
				goto next_entry;
			/* If we've got this far, we're done */
			break;
		}
	      next_entry:
		if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
			dflt = *cfg;
		CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(link, &tuple));
	}

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

	/*
 	 *	Register the card with the core.
 	 */	
	j=ixj_pcmcia_probe(link->io.BasePort1,link->io.BasePort1 + 0x10);

	info->ndev = 1;
	info->node.major = PHONE_MAJOR;
	link->dev_node = &info->node;
	ixj_get_serial(link, j);
	return 0;
      cs_failed:
	cs_error(link, last_fn, last_ret);
	ixj_cs_release(link);
	return -ENODEV;
}

static void fdomain_config(dev_link_t *link)
{
    client_handle_t handle = link->handle;
    scsi_info_t *info = link->priv;
    tuple_t tuple;
    cisparse_t parse;
    int i, last_ret, last_fn;
    u_char tuple_data[64];
    char str[16];
    struct Scsi_Host *host;

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

    tuple.DesiredTuple = CISTPL_CONFIG;
    tuple.TupleData = tuple_data;
    tuple.TupleDataMax = 64;
    tuple.TupleOffset = 0;
    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;

    /* Configure card */
    link->state |= DEV_CONFIG;
    
    tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
    CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
    while (1) {
	if (pcmcia_get_tuple_data(handle, &tuple) != 0 ||
		pcmcia_parse_tuple(handle, &tuple, &parse) != 0)
	    goto next_entry;
	link->conf.ConfigIndex = parse.cftable_entry.index;
	link->io.BasePort1 = parse.cftable_entry.io.win[0].base;
	i = pcmcia_request_io(handle, &link->io);
	if (i == CS_SUCCESS) break;
    next_entry:
	CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(handle, &tuple));
    }

    CS_CHECK(RequestIRQ, pcmcia_request_irq(handle, &link->irq));
    CS_CHECK(RequestConfiguration, pcmcia_request_configuration(handle, &link->conf));
    
    /* A bad hack... */
    release_region(link->io.BasePort1, link->io.NumPorts1);

    /* Set configuration options for the fdomain driver */
    sprintf(str, "%d,%d", link->io.BasePort1, link->irq.AssignedIRQ);
    fdomain_setup(str);
    
    host = __fdomain_16x0_detect(&fdomain_driver_template);
    if (!host) {
        printk(KERN_INFO "fdomain_cs: no SCSI devices found\n");
	goto cs_failed;
    }
 
    scsi_add_host(host, NULL); /* XXX handle failure */
    scsi_scan_host(host);

    sprintf(info->node.dev_name, "scsi%d", host->host_no);
    link->dev = &info->node;
    info->host = host;
    
    link->state &= ~DEV_CONFIG_PENDING;
    return;
    
cs_failed:
    cs_error(link->handle, last_fn, last_ret);
    fdomain_release(link);
    return;
    
} /* fdomain_config */

static int __devinit b43_pcmcia_probe(struct pcmcia_device *dev)
{
    struct ssb_bus *ssb;
    win_req_t win;
    memreq_t mem;
    tuple_t tuple;
    cisparse_t parse;
    int err = -ENOMEM;
    int res = 0;
    unsigned char buf[64];

    ssb = kzalloc(sizeof(*ssb), GFP_KERNEL);
    if (!ssb)
        goto out_error;

    err = -ENODEV;
    tuple.DesiredTuple = CISTPL_CONFIG;
    tuple.Attributes = 0;
    tuple.TupleData = buf;
    tuple.TupleDataMax = sizeof(buf);
    tuple.TupleOffset = 0;

    res = pcmcia_get_first_tuple(dev, &tuple);
    if (res != CS_SUCCESS)
        goto err_kfree_ssb;
    res = pcmcia_get_tuple_data(dev, &tuple);
    if (res != CS_SUCCESS)
        goto err_kfree_ssb;
    res = pcmcia_parse_tuple(dev, &tuple, &parse);
    if (res != CS_SUCCESS)
        goto err_kfree_ssb;

    dev->conf.ConfigBase = parse.config.base;
    dev->conf.Present = parse.config.rmask[0];

    dev->io.BasePort2 = 0;
    dev->io.NumPorts2 = 0;
    dev->io.Attributes2 = 0;

    win.Attributes = WIN_ADDR_SPACE_MEM | WIN_MEMORY_TYPE_CM |
                     WIN_ENABLE | WIN_DATA_WIDTH_16 |
                     WIN_USE_WAIT;
    win.Base = 0;
    win.Size = SSB_CORE_SIZE;
    win.AccessSpeed = 250;
    res = pcmcia_request_window(&dev, &win, &dev->win);
    if (res != CS_SUCCESS)
        goto err_kfree_ssb;

    mem.CardOffset = 0;
    mem.Page = 0;
    res = pcmcia_map_mem_page(dev->win, &mem);
    if (res != CS_SUCCESS)
        goto err_disable;

    dev->irq.Attributes = IRQ_TYPE_DYNAMIC_SHARING | IRQ_FIRST_SHARED;
    dev->irq.IRQInfo1 = IRQ_LEVEL_ID | IRQ_SHARE_ID;
    dev->irq.Handler = NULL; /* The handler is registered later. */
    dev->irq.Instance = NULL;
    res = pcmcia_request_irq(dev, &dev->irq);
    if (res != CS_SUCCESS)
        goto err_disable;

    res = pcmcia_request_configuration(dev, &dev->conf);
    if (res != CS_SUCCESS)
        goto err_disable;

    err = ssb_bus_pcmciabus_register(ssb, dev, win.Base);
    if (err)
        goto err_disable;
    dev->priv = ssb;

    return 0;

err_disable:
    pcmcia_disable_device(dev);
err_kfree_ssb:
    kfree(ssb);
out_error:
    printk(KERN_ERR "b43-pcmcia: Initialization failed (%d, %d)\n",
           res, err);
    return err;
}

static int airo_config(struct pcmcia_device *link)
{
	tuple_t tuple;
	cisparse_t parse;
	local_info_t *dev;
	int last_fn, last_ret;
	u_char buf[64];
	win_req_t req;
	memreq_t map;

	dev = link->priv;

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

	/*
	  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.Attributes = 0;
	tuple.TupleData = buf;
	tuple.TupleDataMax = sizeof(buf);
	tuple.TupleOffset = 0;
	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;
		
		/*
		  Now set up a common memory window, if needed.  There is room
		  in the struct pcmcia_device structure for one memory window handle,
		  but if the base addresses need to be saved, or if multiple
		  windows are needed, the info should go in the private data
		  structure for this device.
		  
		  Note that the memory window base is a physical address, and
		  needs to be mapped to virtual space with ioremap() before it
		  is used.
		*/
		if ((cfg->mem.nwin > 0) || (dflt.mem.nwin > 0)) {
			cistpl_mem_t *mem =
				(cfg->mem.nwin) ? &cfg->mem : &dflt.mem;
			req.Attributes = WIN_DATA_WIDTH_16|WIN_MEMORY_TYPE_CM;
			req.Base = mem->win[0].host_addr;
//.........这里部分代码省略.........

void prism2sta_config(dev_link_t *link)
{
	client_handle_t		handle;
	wlandevice_t		*wlandev;
	hfa384x_t               *hw;
	int			last_fn;
	int			last_ret;
	tuple_t			tuple;
	cisparse_t		parse;
	config_info_t		socketconf;
	UINT8			buf[64];
	int			minVcc = 0;
	int			maxVcc = 0;
	cistpl_cftable_entry_t	dflt = { 0 };

	DBFENTER;

	handle = link->handle;
	wlandev = (wlandevice_t*)link->priv;
	hw = wlandev->priv;

	/* Collect the config register info */
	tuple.DesiredTuple = CISTPL_CONFIG;
	tuple.Attributes = 0;
	tuple.TupleData = buf;
	tuple.TupleDataMax = sizeof(buf);
	tuple.TupleOffset = 0;
	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];

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

	/* Acquire the current socket config (need Vcc setting) */
	CS_CHECK(GetConfigurationInfo, pcmcia_get_configuration_info(handle, &socketconf));

	/* Loop through the config table entries until we find one that works */
	/* Assumes a complete and valid CIS */
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	CS_CHECK(GetFirstTuple, pcmcia_get_first_tuple(handle, &tuple));
	while (1) {
		cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
		CFG_CHECK(GetTupleData, pcmcia_get_tuple_data(handle, &tuple));
		CFG_CHECK(ParseTuple, pcmcia_parse_tuple(handle, &tuple, &parse));

		if (cfg->index == 0) goto next_entry;
		link->conf.ConfigIndex = cfg->index;

		/* Lets print out the Vcc that the controller+pcmcia-cs set
		 * for us, cause that's what we're going to use.
		 */
		WLAN_LOG_DEBUG(1,"Initial Vcc=%d/10v\n", socketconf.Vcc);
		if (prism2_ignorevcc) {
			link->conf.Vcc = socketconf.Vcc;
			goto skipvcc;
		}

		/* 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)) {
			WLAN_LOG_DEBUG(1, "Vcc obtained from curtupl.VNOM\n");
			minVcc = maxVcc =
				cfg->vcc.param[CISTPL_POWER_VNOM]/10000;
		} else if (dflt.vcc.present & (1<<CISTPL_POWER_VNOM)) {
			WLAN_LOG_DEBUG(1, "Vcc set from dflt.VNOM\n");
			minVcc = maxVcc =
				dflt.vcc.param[CISTPL_POWER_VNOM]/10000;
		} else if ((cfg->vcc.present & (1<<CISTPL_POWER_VMAX)) &&
			   (cfg->vcc.present & (1<<CISTPL_POWER_VMIN)) ) {
			WLAN_LOG_DEBUG(1, "Vcc set from curtupl(VMIN,VMAX)\n");			minVcc = cfg->vcc.param[CISTPL_POWER_VMIN]/10000;
			maxVcc = cfg->vcc.param[CISTPL_POWER_VMAX]/10000;
		} else if ((dflt.vcc.present & (1<<CISTPL_POWER_VMAX)) &&
			   (dflt.vcc.present & (1<<CISTPL_POWER_VMIN)) ) {
			WLAN_LOG_DEBUG(1, "Vcc set from dflt(VMIN,VMAX)\n");
			minVcc = dflt.vcc.param[CISTPL_POWER_VMIN]/10000;
			maxVcc = dflt.vcc.param[CISTPL_POWER_VMAX]/10000;
		}

		if ( socketconf.Vcc >= minVcc && socketconf.Vcc <= maxVcc) {
			link->conf.Vcc = socketconf.Vcc;
		} else {
			/* [MSM]: Note that I've given up trying to change
			 * the Vcc if a change is indicated.  It seems the
			 * system&socketcontroller&card vendors can't seem
			 * to get it right, so I'm tired of trying to hack
			 * my way around it.  pcmcia-cs does its best using
			 * the voltage sense pins but sometimes the controller
			 * lies.  Then, even if we have a good read on the VS
			 * pins, some system designs will silently ignore our
			 * requests to set the voltage.  Additionally, some
			 * vendors have 3.3v indicated on their sense pins,
			 * but 5v specified in the CIS or vice-versa.  I've
			 * had it.  My only recommendation is "let the buyer
			 * beware".  Your system might supply 5v to a 3v card
			 * (possibly causing damage) or a 3v capable system
			 * might supply 5v to a 3v capable card (wasting
//.........这里部分代码省略.........

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 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 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_