C++ pcmcia_request_configuration函数代码示例

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

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

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

	ret = pcmcia_request_exclusive_irq(link, pdacf_interrupt);
	if (ret)
		goto failed;

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

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

	return 0;

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

static int dtl1_config(struct pcmcia_device *link)
{
	dtl1_info_t *info = link->priv;
	int i;

	/* Look for a generic full-sized window */
	link->resource[0]->end = 8;
	if (pcmcia_loop_config(link, dtl1_confcheck, NULL) < 0)
		goto failed;

	i = pcmcia_request_irq(link, dtl1_interrupt);
	if (i != 0)
		goto failed;

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

	if (dtl1_open(info) != 0)
		goto failed;

	return 0;

failed:
	dtl1_release(link);
	return -ENODEV;
}

static int prism2_cs_resume(struct pcmcia_device *pdev)
{
	struct wlandevice  *wlandev;

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

	DBFENTER;

#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
	wlandev = pdev->priv;
	// XXX do something here?
#else
	wlandev = link->priv;
        link->state &= ~DEV_SUSPEND;
        if (link->state & DEV_CONFIG) {
                pcmcia_request_configuration(link->handle, &link->conf);
		// XXX do something here?
	}
#endif


	DBFEXIT;

	return 0;
}

static int avmcs_event(event_t event, int priority,
			  event_callback_args_t *args)
{
    dev_link_t *link = args->client_data;

    switch (event) {
    case CS_EVENT_CARD_REMOVAL:
	link->state &= ~DEV_PRESENT;
	if (link->state & DEV_CONFIG)
		avmcs_release(link);
	break;
    case CS_EVENT_CARD_INSERTION:
	link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
	avmcs_config(link);
	break;
    case CS_EVENT_PM_SUSPEND:
	link->state |= DEV_SUSPEND;
	/* Fall through... */
    case CS_EVENT_RESET_PHYSICAL:
	if (link->state & DEV_CONFIG)
	    pcmcia_release_configuration(link->handle);
	break;
    case CS_EVENT_PM_RESUME:
	link->state &= ~DEV_SUSPEND;
	/* Fall through... */
    case CS_EVENT_CARD_RESET:
	if (link->state & DEV_CONFIG)
	    pcmcia_request_configuration(link->handle, &link->conf);
	break;
    }
    return 0;
} /* avmcs_event */

static int atmel_config(struct pcmcia_device *link)
{
	local_info_t *dev;
	int ret;
	struct pcmcia_device_id *did;

	dev = link->priv;
	did = dev_get_drvdata(&link->dev);

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

	/*
	  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.
	*/
	if (pcmcia_loop_config(link, atmel_config_check, NULL))
		goto failed;

	if (!link->irq) {
		dev_err(&link->dev, "atmel: cannot assign IRQ: check that CONFIG_ISA is set in kernel config.");
		goto failed;
	}

	/*
	  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;

	((local_info_t*)link->priv)->eth_dev =
		init_atmel_card(link->irq,
				link->io.BasePort1,
				did ? did->driver_info : ATMEL_FW_TYPE_NONE,
				&link->dev,
				card_present,
				link);
	if (!((local_info_t*)link->priv)->eth_dev)
			goto failed;


	return 0;

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

static int ixj_resume(struct pcmcia_device *dev)
{
	dev_link_t *link = dev_to_instance(dev);

	link->state &= ~DEV_SUSPEND;
	if (DEV_OK(link))
		pcmcia_request_configuration(link->handle, &link->conf);

	return 0;
}

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

static int fdomain_resume(struct pcmcia_device *dev)
{
    dev_link_t *link = dev_to_instance(dev);

    link->state &= ~DEV_SUSPEND;
    if (link->state & DEV_CONFIG) {
        pcmcia_request_configuration(link->handle, &link->conf);
        fdomain_16x0_bus_reset(NULL);
    }

    return 0;
}

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 elsa_resume(struct pcmcia_device *p_dev)
{
	dev_link_t *link = dev_to_instance(p_dev);
	local_info_t *dev = link->priv;

	link->state &= ~DEV_SUSPEND;
	if (link->state & DEV_CONFIG)
		pcmcia_request_configuration(link->handle, &link->conf);
        dev->busy = 0;

	return 0;
}

/*
 * event callback
 */
static int vxpocket_event(event_t event, int priority, event_callback_args_t *args)
{
	dev_link_t *link = args->client_data;
	vx_core_t *chip = link->priv;

	switch (event) {
	case CS_EVENT_CARD_REMOVAL:
		snd_printdd(KERN_DEBUG "CARD_REMOVAL..\n");
		link->state &= ~DEV_PRESENT;
		if (link->state & DEV_CONFIG)
			chip->chip_status |= VX_STAT_IS_STALE;
		break;
	case CS_EVENT_CARD_INSERTION:
		snd_printdd(KERN_DEBUG "CARD_INSERTION..\n");
		link->state |= DEV_PRESENT | DEV_CONFIG_PENDING;
		vxpocket_config(link);
		break;
#ifdef CONFIG_PM
	case CS_EVENT_PM_SUSPEND:
		snd_printdd(KERN_DEBUG "SUSPEND\n");
		link->state |= DEV_SUSPEND;
		if (chip && chip->card->pm_suspend) {
			snd_printdd(KERN_DEBUG "snd_vx_suspend calling\n");
			chip->card->pm_suspend(chip->card, PMSG_SUSPEND);
		}
		/* Fall through... */
	case CS_EVENT_RESET_PHYSICAL:
		snd_printdd(KERN_DEBUG "RESET_PHYSICAL\n");
		if (link->state & DEV_CONFIG)
			pcmcia_release_configuration(link->handle);
		break;
	case CS_EVENT_PM_RESUME:
		snd_printdd(KERN_DEBUG "RESUME\n");
		link->state &= ~DEV_SUSPEND;
		/* Fall through... */
	case CS_EVENT_CARD_RESET:
		snd_printdd(KERN_DEBUG "CARD_RESET\n");
		if (DEV_OK(link)) {
			//struct snd_vxpocket *vxp = (struct snd_vxpocket *)chip;
			snd_printdd(KERN_DEBUG "requestconfig...\n");
			pcmcia_request_configuration(link->handle, &link->conf);
			if (chip && chip->card->pm_resume) {
				snd_printdd(KERN_DEBUG "calling snd_vx_resume\n");
				chip->card->pm_resume(chip->card);
			}
		}
		snd_printdd(KERN_DEBUG "resume done!\n");
		break;
#endif
	}
	return 0;
}

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 void serial_resume(dev_link_t *link)
{
	link->state &= ~DEV_SUSPEND;

	if (DEV_OK(link)) {
		struct serial_info *info = link->priv;
		int i;

		if (!info->slave)
			pcmcia_request_configuration(link->handle, &link->conf);

		for (i = 0; i < info->ndev; i++)
			serial8250_resume_port(info->line[i]);
	}
}

static int nmclan_resume(struct pcmcia_device *p_dev)
{
	dev_link_t *link = dev_to_instance(p_dev);
	struct net_device *dev = link->priv;

	link->state &= ~DEV_SUSPEND;
	if (link->state & DEV_CONFIG) {
		pcmcia_request_configuration(link->handle, &link->conf);
		if (link->open) {
			nmclan_reset(dev);
			netif_device_attach(dev);
		}
	}

	return 0;
}

static int aha152x_config_cs(struct pcmcia_device *link)
{
    scsi_info_t *info = link->priv;
    struct aha152x_setup s;
    int ret;
    struct Scsi_Host *host;

    dev_dbg(&link->dev, "aha152x_config\n");

    ret = pcmcia_loop_config(link, aha152x_config_check, NULL);
    if (ret)
	    goto failed;

    if (!link->irq)
	    goto failed;

    ret = pcmcia_request_configuration(link, &link->conf);
    if (ret)
	    goto failed;
    
    /* Set configuration options for the aha152x driver */
    memset(&s, 0, sizeof(s));
    s.conf        = "PCMCIA setup";
    s.io_port     = link->io.BasePort1;
    s.irq         = link->irq;
    s.scsiid      = host_id;
    s.reconnect   = reconnect;
    s.parity      = parity;
    s.synchronous = synchronous;
    s.delay       = reset_delay;
    if (ext_trans)
        s.ext_trans = ext_trans;

    host = aha152x_probe_one(&s);
    if (host == NULL) {
	printk(KERN_INFO "aha152x_cs: no SCSI devices found\n");
	goto failed;
    }

    info->host = host;

    return 0;

failed:
    aha152x_release_cs(link);
    return -ENODEV;
}