/*----------------------------------------------------------------
* prism2sta_probe_usb
*
* Probe routine called by the USB subsystem.
*
* Arguments:
*	dev		ptr to the usb_device struct
*	ifnum		interface number being offered
*
* Returns:
*	NULL		- we're not claiming the device+interface
*	non-NULL	- we are claiming the device+interface and
*			  this is a ptr to the data we want back
*			  when disconnect is called.
*
* Side effects:
*
* Call context:
*	I'm not sure, assume it's interrupt.
*
----------------------------------------------------------------*/
static int prism2sta_probe_usb(struct usb_interface *interface,
			       const struct usb_device_id *id)
{
	struct usb_device *dev;

	wlandevice_t *wlandev = NULL;
	hfa384x_t *hw = NULL;
	int result = 0;

	dev = interface_to_usbdev(interface);
	wlandev = create_wlan();
	if (wlandev == NULL) {
		printk(KERN_ERR "%s: Memory allocation failure.\n", dev_info);
		result = -EIO;
		goto failed;
	}
	hw = wlandev->priv;

<<<<<<< HEAD
Exemple #2
0
/*----------------------------------------------------------------
* prism2sta_attach
*
* Half of the attach/detach pair.  Creates and registers a device
* instance with Card Services.  In this case, it also creates the
* wlandev structure and device private structure.  These are
* linked to the device instance via its priv member.
*
* Arguments:
*	none
*
* Returns:
*	A valid ptr to dev_link_t on success, NULL otherwise
*
* Side effects:
*
*
* Call context:
*	process thread (insmod/init_module/register_pccard_driver)
----------------------------------------------------------------*/
dev_link_t *prism2sta_attach(void)
{
	client_reg_t		client_reg;
	int			result;
	dev_link_t		*link = NULL;
	wlandevice_t		*wlandev = NULL;
	hfa384x_t		*hw = NULL;

	DBFENTER;

	/* Alloc our structures */
	link =		kmalloc(sizeof(struct dev_link_t), GFP_KERNEL);

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

	/* Clear all the structs */
	memset(link, 0, sizeof(struct dev_link_t));

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

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

	/* Initialize the PC card device object. */
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,0))
	init_timer(&link->release);
	link->release.function = &prism2sta_release;
	link->release.data = (u_long)link;
#endif
	link->conf.IntType = INT_MEMORY_AND_IO;
	link->priv = wlandev;
#if (defined(CS_RELEASE_CODE) && (CS_RELEASE_CODE < 0x2911))
	link->irq.Instance = wlandev;
#endif

	/* Link in to the list of devices managed by this driver */
	link->next = dev_list;
	dev_list = link;

	/* Register with Card Services */
	client_reg.dev_info = &dev_info;
#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,11) )
	client_reg.Attributes = INFO_IO_CLIENT | INFO_CARD_SHARE;
#endif

#if (LINUX_VERSION_CODE < KERNEL_VERSION(2,6,13) )
	client_reg.EventMask =
		CS_EVENT_CARD_INSERTION | CS_EVENT_CARD_REMOVAL |
		CS_EVENT_RESET_REQUEST |
		CS_EVENT_RESET_PHYSICAL | CS_EVENT_CARD_RESET |
		CS_EVENT_PM_SUSPEND | CS_EVENT_PM_RESUME;
	client_reg.event_handler = &prism2sta_event;
#endif

	client_reg.Version = 0x0210;
	client_reg.event_callback_args.client_data = link;

	result = pcmcia_register_client(&link->handle, &client_reg);
	if (result != 0) {
		cs_error(link->handle, RegisterClient, result);
		prism2sta_detach(link);
		return NULL;
	}

	goto done;

 failed:
	if (link)	kfree(link);
	if (wlandev)	kfree(wlandev);
	if (hw)		kfree(hw);
	link = NULL;

 done:
	DBFEXIT;
	return link;
}
Exemple #3
0
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)
                pdev->conf.ConfigIndex = cfg->index;
#else
                link->conf.ConfigIndex = cfg->index;
#endif

                /* Does this card need audio output? */
                if (cfg->flags & CISTPL_CFTABLE_AUDIO) {
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
                        pdev->conf.Attributes |= CONF_ENABLE_SPKR;
                        pdev->conf.Status = CCSR_AUDIO_ENA;
#else
                        link->conf.Attributes |= CONF_ENABLE_SPKR;
                        link->conf.Status = CCSR_AUDIO_ENA;
#endif
                }

                /* 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 (socketconf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
                            10000 && !prism2_ignorevcc) {
                                WLAN_LOG_DEBUG(1, "  Vcc mismatch - skipping"
                                       " this entry\n");
                                goto next_entry;
                        }
                } else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
                        if (socketconf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
                            10000 && !prism2_ignorevcc) {
                                WLAN_LOG_DEBUG(1, "  Vcc (default) mismatch "
                                       "- skipping this entry\n");
                                goto next_entry;
                        }
                }

                if (cfg->vpp1.present & (1 << CISTPL_POWER_VNOM)) {
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
                        pdev->conf.Vpp =
                                cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
#else
                        link->conf.Vpp1 = link->conf.Vpp2 =
                                cfg->vpp1.param[CISTPL_POWER_VNOM] / 10000;
#endif
                } else if (dflt.vpp1.present & (1 << CISTPL_POWER_VNOM)) {
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
                        pdev->conf.Vpp =
                                dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
#else
                        link->conf.Vpp1 = link->conf.Vpp2 =
                                dflt.vpp1.param[CISTPL_POWER_VNOM] / 10000;
#endif
		}

		/* Do we need to allocate an interrupt? */
		/* HACK: due to a bad CIS....we ALWAYS need an interrupt */
		/* if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1) */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
		pdev->conf.Attributes |= CONF_ENABLE_IRQ;
#else
		link->conf.Attributes |= CONF_ENABLE_IRQ;
#endif

		/* IO window settings */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
		pdev->io.NumPorts1 = pdev->io.NumPorts2 = 0;
		if ((cfg->io.nwin > 0) || (dflt.io.nwin > 0)) {
			cistpl_io_t *io = (cfg->io.nwin) ? &cfg->io : &dflt.io;
			pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_AUTO;
			if (!(io->flags & CISTPL_IO_8BIT))
				pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_16;
			if (!(io->flags & CISTPL_IO_16BIT))
				pdev->io.Attributes1 = IO_DATA_PATH_WIDTH_8;
			pdev->io.BasePort1 = io->win[0].base;
			if  ( pdev->io.BasePort1 != 0 ) {
				WLAN_LOG_WARNING(
				"Brain damaged CIS: hard coded iobase="
				"0x%x, try letting pcmcia_cs decide...\n",
				pdev->io.BasePort1 );
				pdev->io.BasePort1 = 0;
			}
			pdev->io.NumPorts1 = io->win[0].len;
			if (io->nwin > 1) {
				pdev->io.Attributes2 = pdev->io.Attributes1;
				pdev->io.BasePort2 = io->win[1].base;
				pdev->io.NumPorts2 = io->win[1].len;
			}
		}
		/* This reserves IO space but doesn't actually enable it */
		CFG_CHECK(RequestIO, pcmcia_request_io(pdev, &pdev->io));
#else
		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;
			if  ( link->io.BasePort1 != 0 ) {
				WLAN_LOG_WARNING(
				"Brain damaged CIS: hard coded iobase="
				"0x%x, try letting pcmcia_cs decide...\n",
				link->io.BasePort1 );
				link->io.BasePort1 = 0;
			}
			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 */
		CFG_CHECK(RequestIO, pcmcia_request_io(pdev, &link->io));
#endif
		/* If we got this far, we're cool! */
		break;

	next_entry:
		if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
			dflt = *cfg;
		CS_CHECK(GetNextTuple, pcmcia_get_next_tuple(pdev, &tuple));

	}

	/* Let pcmcia know the device name */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
	pdev->dev_node = &hw->node;
#else
	link->dev = &hw->node;
#endif

	/* Register the network device and get assigned a name */
	SET_MODULE_OWNER(wlandev->netdev);
	SET_NETDEV_DEV(wlandev->netdev,  &handle_to_dev(pdev));
	if (register_wlandev(wlandev) != 0) {
		WLAN_LOG_NOTICE("prism2sta_cs: register_wlandev() failed.\n");
		goto failed;
	}

	strcpy(hw->node.dev_name, wlandev->name);

	/* Allocate an interrupt line.  Note that this does not assign a */
	/* handler to the interrupt, unless the 'Handler' member of the */
	/* irq structure is initialized. */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
	if (pdev->conf.Attributes & CONF_ENABLE_IRQ) {
		pdev->irq.IRQInfo1 = IRQ_LEVEL_ID;
		pdev->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
		pdev->irq.Handler = hfa384x_interrupt;
		pdev->irq.Instance = wlandev;
		CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &pdev->irq));
	}
#else
	if (link->conf.Attributes & CONF_ENABLE_IRQ) {
		link->irq.IRQInfo1 = IRQ_LEVEL_ID;
		link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
		link->irq.Handler = hfa384x_interrupt;
		link->irq.Instance = wlandev;
		CS_CHECK(RequestIRQ, pcmcia_request_irq(pdev, &link->irq));
	}
#endif

	/* 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. */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &pdev->conf));
#else
	CS_CHECK(RequestConfiguration, pcmcia_request_configuration(pdev, &link->conf));
#endif

	/* Fill the netdevice with this info */
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
	wlandev->netdev->irq = pdev->irq.AssignedIRQ;
	wlandev->netdev->base_addr = pdev->io.BasePort1;
#else
	wlandev->netdev->irq = link->irq.AssignedIRQ;
	wlandev->netdev->base_addr = link->io.BasePort1;
#endif

	/* And the rest of the hw structure */
	hw->irq = wlandev->netdev->irq;
	hw->iobase = wlandev->netdev->base_addr;

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,17)
	link->state |= DEV_CONFIG;
	link->state &= ~DEV_CONFIG_PENDING;
#endif

	/* And now we're done! */
	wlandev->msdstate = WLAN_MSD_HWPRESENT;

	goto done;

 cs_failed:
        cs_error(pdev, last_fn, last_ret);

failed:
	// wlandev, hw, etc etc..
#if LINUX_VERSION_CODE > KERNEL_VERSION(2,6,16)
	pdev->priv = NULL;
#else
	pdev->instance = NULL;
	if (link) {
		link->priv = NULL;
		kfree(link);
	}
#endif
	if (wlandev) {
		wlan_unsetup(wlandev);
		if (wlandev->priv) {
			hw = wlandev->priv;
			wlandev->priv = NULL;
			if (hw) {
				hfa384x_destroy(hw);
				kfree(hw);
			}
		}
		kfree(wlandev);
	}

done:
	if (parse) kfree(parse);

	DBFEXIT;
	return rval;
}
/**
 * commit new values.
 *
 * At this point, you should have done everything you can to ensure that
 * this commit will not fail.
 *
 * Should you need different behavior depending on which columns were
 * set, rowreq_ctx->column_set_flags will indicate which writeable columns were
 * set. The definitions for the COLUMN_*_FLAG bits can be found in
 * dot11CreateWlanTable_oids.h.
 * A new row will have the MFD_ROW_CREATED bit set in rowreq_flags.
 *
 * @param dot11CreateWlanTable_rowreq_ctx
 *        Pointer to the users context.
 *
 * @retval MFD_SUCCESS : success
 * @retval MFD_ERROR   : error
 */
int
dot11CreateWlanTable_commit( dot11CreateWlanTable_rowreq_ctx *rowreq_ctx)
{
    int rc = MFD_SUCCESS;
    int             save_flags;

    DEBUGMSGTL(("verbose:dot11CreateWlanTable:dot11CreateWlanTable_commit","called\n"));

    /** we should have a non-NULL pointer */
    netsnmp_assert( NULL != rowreq_ctx );

    /*
     * save flags, then clear until we actually do something
     */
    save_flags = rowreq_ctx->column_set_flags;
    rowreq_ctx->column_set_flags = 0;
	
    if(RS_NOTREADY == rowreq_ctx->data.wlanRowStatus && MFD_SUCCESS == check_create_ready(rowreq_ctx)) {
        rowreq_ctx->data.wlanRowStatus = RS_NOTINSERVICE;
    }
    /*
     * commit dot11CreateWlanTable data
     * 1) check the column's flag in save_flags to see if it was set.
     * 2) clear the flag when you handle that column
     * 3) set the column's flag in column_set_flags if it needs undo
     *    processing in case of a failure.
     */
    if (save_flags & COLUMN_WLANNAME_FLAG) {
       save_flags &= ~COLUMN_WLANNAME_FLAG; /* clear wlanName */
       /*
        * TODO:482:o: |-> commit column wlanName.
        */
       rc = MFD_SUCCESS;
       if(-1 == rc) {
           snmp_log(LOG_ERR,"dot11CreateWlanTable column wlanName commit failed\n");
       }
       else {
            /*
             * set flag, in case we need to undo wlanName
             */
            rowreq_ctx->column_set_flags |= COLUMN_WLANNAME_FLAG;
       }
    }

    if (save_flags & COLUMN_WLANESSID_FLAG) {
       save_flags &= ~COLUMN_WLANESSID_FLAG; /* clear wlanESSID */
       /*
        * TODO:482:o: |-> commit column wlanESSID.
        */
       rc = MFD_SUCCESS;
       if(-1 == rc) {
           snmp_log(LOG_ERR,"dot11CreateWlanTable column wlanESSID commit failed\n");
       }
       else {
            /*
             * set flag, in case we need to undo wlanESSID
             */
            rowreq_ctx->column_set_flags |= COLUMN_WLANESSID_FLAG;
       }
    }

    if (save_flags & COLUMN_WLANROWSTATUS_FLAG) {
        save_flags &= ~COLUMN_WLANROWSTATUS_FLAG; /* clear wlanRowStatus */		
        switch(rowreq_ctx->data.wlanRowStatus) {
            case RS_ACTIVE:
                {
                    char id[10] = { 0 };
                    memset(id,0,10);
                    snprintf(id, sizeof(id)-1, "%d", rowreq_ctx->data.localWlanID);
                     
					int ret = 0; 
                    void *connection = NULL;
                    if(SNMPD_DBUS_SUCCESS == get_instance_dbus_connection(rowreq_ctx->data.parameter, &connection, SNMPD_INSTANCE_MASTER_V3)) 
					{
                        ret = create_wlan(rowreq_ctx->data.parameter, connection,id, rowreq_ctx->data.wlanName, rowreq_ctx->data.wlanESSID);
                        snmp_log(LOG_DEBUG, "dot11CreateWlanTable_commit: create_wlan: ret = %d\n", ret);
                        if(1 == ret) 
			{
				rowreq_ctx->data.is_modify = 1;
                                rc = MFD_SUCCESS;
                                break;
                        }
                        else if(SNMPD_CONNECTION_ERROR == ret) 
			{
				rowreq_ctx->data.is_modify = 0;
                            close_slot_dbus_connection(rowreq_ctx->data.parameter.slot_id);
                        }        
                    }
                }
                rc = -1;
                break;

            case RS_CREATEANDWAIT:
                rowreq_ctx->data.wlanRowStatus = RS_NOTREADY;
                rc = MFD_SUCCESS;
                break;
                
            case RS_DESTROY:  
                {
                    int ret = 0;
                    void *connection = NULL;
                    if(SNMPD_DBUS_SUCCESS == get_instance_dbus_connection(rowreq_ctx->data.parameter, &connection, SNMPD_INSTANCE_MASTER_V3)) 
					{
						ret = delete_wlan(rowreq_ctx->data.parameter, connection, rowreq_ctx->data.localWlanID);
						snmp_log(LOG_DEBUG, "dot11CreateWlanTable_commit: delete_wlan: ret = %d\n", ret);
						if(1 == ret) 
						{
                            rc = MFD_SUCCESS;
                            break;
                        }
                        else if(SNMPD_CONNECTION_ERROR == ret) 
						{
                            close_slot_dbus_connection(rowreq_ctx->data.parameter.slot_id);
                        }   
                    }
                }
                rowreq_ctx->rowreq_flags &= ~MFD_ROW_DELETED;
                rc = -1;
                break;
                
            default:
                break;
        }
       /*
        * TODO:482:o: |-> commit column wlanRowStatus.
        */
       if(-1 == rc) {
           snmp_log(LOG_ERR,"dot11CreateWlanTable column wlanRowStatus commit failed\n");
       }
       else {
            /*
             * set flag, in case we need to undo wlanRowStatus
             */
            rowreq_ctx->column_set_flags |= COLUMN_WLANROWSTATUS_FLAG;
       }
    }

    /*
     * if we successfully commited this row, set the dirty flag.
     */
    if (MFD_SUCCESS == rc) {
        rowreq_ctx->rowreq_flags |= MFD_ROW_DIRTY;
    }

    if (save_flags) {
       snmp_log(LOG_ERR, "unhandled columns (0x%x) in commit\n", save_flags);
       return MFD_ERROR;
    }

    return rc;
} /* dot11CreateWlanTable_commit */
Exemple #5
0
/*----------------------------------------------------------------
* prism2sta_probe_plx
*
* Probe routine called when a PCI device w/ matching ID is found.
* This PLX implementation uses the following map:
*   BAR0: Unused
*   BAR1: ????
*   BAR2: PCMCIA attribute memory
*   BAR3: PCMCIA i/o space
* Here's the sequence:
*   - Allocate the PCI resources.
*   - Read the PCMCIA attribute memory to make sure we have a WLAN card
*   - Reset the MAC using the PCMCIA COR
*   - Initialize the netdev and wlan data
*   - Initialize the MAC
*
* Arguments:
*	pdev		ptr to pci device structure containing info about
*			pci configuration.
*	id		ptr to the device id entry that matched this device.
*
* Returns:
*	zero		- success
*	negative	- failed
*
* Side effects:
*
*
* Call context:
*	process thread
*
----------------------------------------------------------------*/
static int __devinit
prism2sta_probe_plx(
	struct pci_dev			*pdev,
	const struct pci_device_id	*id)
{
	int		result;
        phys_t	pccard_ioaddr;
	phys_t  pccard_attr_mem;
        unsigned int    pccard_attr_len;
	void __iomem *attr_mem = NULL;
	UINT32		plx_addr;
        wlandevice_t    *wlandev = NULL;
	hfa384x_t	*hw = NULL;
	int		reg;
        u32		regic;

	if (pci_enable_device(pdev))
		return -EIO;

	/* TMC7160 boards are special */
	if ((pdev->vendor == PCIVENDOR_NDC) &&
	    (pdev->device == PCIDEVICE_NCP130_ASIC)) {
		unsigned long delay;

		pccard_attr_mem = 0;
		pccard_ioaddr = pci_resource_start(pdev, 1);

		outb(0x45, pccard_ioaddr);
		delay = jiffies + 1*HZ;
		while (time_before(jiffies, delay));

		if (inb(pccard_ioaddr) != 0x45) {
			WLAN_LOG_ERROR("Initialize the TMC7160 failed. (0x%x)\n", inb(pccard_ioaddr));
			return -EIO;
		}

		pccard_ioaddr = pci_resource_start(pdev, 2);
		prism2_doreset = 0;

		WLAN_LOG_INFO("NDC NCP130 with TMC716(ASIC) PCI interface device found at io:0x%x, irq:%d\n", pccard_ioaddr, pdev->irq);
		goto init;
	}

	/* Collect the resource requirements */
	pccard_attr_mem = pci_resource_start(pdev, 2);
	pccard_attr_len = pci_resource_len(pdev, 2);
        if (pccard_attr_len < PLX_MIN_ATTR_LEN)
		return -EIO;

	pccard_ioaddr = pci_resource_start(pdev, 3);

	/* bjoern: We need to tell the card to enable interrupts, in
	 * case the serial eprom didn't do this already. See the
	 * PLX9052 data book, p8-1 and 8-24 for reference.
	 * [MSM]: This bit of code came from the orinoco_cs driver.
	 */
	plx_addr = pci_resource_start(pdev, 1);

	regic = 0;
	regic = inl(plx_addr+PLX_INTCSR);
	if(regic & PLX_INTCSR_INTEN) {
		WLAN_LOG_DEBUG(1,
			"%s: Local Interrupt already enabled\n", dev_info);
	} else {
		regic |= PLX_INTCSR_INTEN;
		outl(regic, plx_addr+PLX_INTCSR);
		regic = inl(plx_addr+PLX_INTCSR);
		if(!(regic & PLX_INTCSR_INTEN)) {
			WLAN_LOG_ERROR(
				"%s: Couldn't enable Local Interrupts\n",
				dev_info);
			return -EIO;
		}
	}

	/* These assignments are here in case of future mappings for
	 * io space and irq that might be similar to ioremap
	 */
        if (!request_mem_region(pccard_attr_mem, pci_resource_len(pdev, 2), "Prism2")) {
		WLAN_LOG_ERROR("%s: Couldn't reserve PCI memory region\n", dev_info);
		return -EIO;
        }

	attr_mem = ioremap(pccard_attr_mem, pccard_attr_len);

	WLAN_LOG_INFO("A PLX PCI/PCMCIA interface device found, "
		"phymem:0x%llx, phyio=0x%x, irq:%d, "
		"mem: 0x%lx\n",
		(unsigned long long)pccard_attr_mem, pccard_ioaddr, pdev->irq,
		(unsigned long)attr_mem);

	/* Verify whether PC card is present.
	 * [MSM] This needs improvement, the right thing to do is
	 * probably to walk the CIS looking for the vendor and product
	 * IDs.  It would be nice if this could be tied in with the
	 * etc/pcmcia/wlan-ng.conf file.  Any volunteers?  ;-)
	 */
	if (
	readb(attr_mem + 0) != 0x01 || readb(attr_mem + 2) != 0x03 ||
	readb(attr_mem + 4) != 0x00 || readb(attr_mem + 6) != 0x00 ||
	readb(attr_mem + 8) != 0xFF || readb(attr_mem + 10) != 0x17 ||
	readb(attr_mem + 12) != 0x04 || readb(attr_mem + 14) != 0x67) {
		WLAN_LOG_ERROR("Prism2 PC card CIS is invalid.\n");
		return -EIO;
        }
        WLAN_LOG_INFO("A PCMCIA WLAN adapter was found.\n");

        /* Write COR to enable PC card */
	writeb(COR_VALUE, attr_mem + COR_OFFSET);
	reg = readb(attr_mem + COR_OFFSET);

 init:

	/*
	 * Now do everything the same as a PCI device
	 * [MSM] TODO: We could probably factor this out of pcmcia/pci/plx
	 * and perhaps usb.  Perhaps a task for another day.......
	 */

	if ((wlandev = create_wlan()) == NULL) {
		WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
		result = -EIO;
		goto failed;
	}

	hw = wlandev->priv;

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

	/* Setup netdevice's ability to report resources
	 * Note: the netdevice was allocated by wlan_setup()
	 */
        wlandev->netdev->irq = pdev->irq;
        wlandev->netdev->base_addr = pccard_ioaddr;
        wlandev->netdev->mem_start = (unsigned long)attr_mem;
        wlandev->netdev->mem_end = (unsigned long)attr_mem + pci_resource_len(pdev, 0);

	/* Initialize the hw data */
        hfa384x_create(hw, wlandev->netdev->irq, pccard_ioaddr, attr_mem);
	hw->wlandev = wlandev;

	/* Register the wlandev, this gets us a name and registers the
	 * linux netdevice.
	 */
	SET_MODULE_OWNER(wlandev->netdev);
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
       SET_NETDEV_DEV(wlandev->netdev, &(pdev->dev));
#endif
        if ( register_wlandev(wlandev) != 0 ) {
		WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info);
		result = -EIO;
		goto failed;
        }

#if 0
	/* TODO: Move this and an irq test into an hfa384x_testif() routine.
	 */
	outw(PRISM2STA_MAGIC, HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
	reg=inw( HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
	if ( reg != PRISM2STA_MAGIC ) {
		WLAN_LOG_ERROR("MAC register access test failed!\n");
 		result = -EIO;
		goto failed;
	}
#endif

	/* Do a chip-level reset on the MAC */
	if (prism2_doreset) {
		result = hfa384x_corereset(hw,
				prism2_reset_holdtime,
				prism2_reset_settletime, 0);
		if (result != 0) {
			unregister_wlandev(wlandev);
			hfa384x_destroy(hw);
			WLAN_LOG_ERROR(
				"%s: hfa384x_corereset() failed.\n",
				dev_info);
			result = -EIO;
			goto failed;
		}
	}

	pci_set_drvdata(pdev, wlandev);

	/* Shouldn't actually hook up the IRQ until we
	 * _know_ things are alright.  A test routine would help.
	 */
       	request_irq(wlandev->netdev->irq, hfa384x_interrupt,
		SA_SHIRQ, wlandev->name, wlandev);

	wlandev->msdstate = WLAN_MSD_HWPRESENT;

	result = 0;

	goto done;

 failed:

	pci_set_drvdata(pdev, NULL);
	if (wlandev)	kfree(wlandev);
	if (hw)		kfree(hw);
        if (attr_mem)        iounmap(attr_mem);
	pci_release_regions(pdev);
        pci_disable_device(pdev);

 done:
	DBFEXIT;
        return result;
}
Exemple #6
0
static int prism2sta_probe_usb(struct usb_interface *interface,
			       const struct usb_device_id *id)
{
	struct usb_device *dev;

	wlandevice_t *wlandev = NULL;
	hfa384x_t *hw = NULL;
	int result = 0;

	dev = interface_to_usbdev(interface);
	wlandev = create_wlan();
	if (!wlandev) {
		dev_err(&interface->dev, "Memory allocation failure.\n");
		result = -EIO;
		goto failed;
	}
	hw = wlandev->priv;

	if (wlan_setup(wlandev, &(interface->dev)) != 0) {
		dev_err(&interface->dev, "wlan_setup() failed.\n");
		result = -EIO;
		goto failed;
	}

	/* Initialize the hw data */
	hfa384x_create(hw, dev);
	hw->wlandev = wlandev;

	/* Register the wlandev, this gets us a name and registers the
	 * linux netdevice.
	 */
	SET_NETDEV_DEV(wlandev->netdev, &(interface->dev));

	/* Do a chip-level reset on the MAC */
	if (prism2_doreset) {
		result = hfa384x_corereset(hw,
					   prism2_reset_holdtime,
					   prism2_reset_settletime, 0);
		if (result != 0) {
			result = -EIO;
			dev_err(&interface->dev,
				"hfa384x_corereset() failed.\n");
			goto failed_reset;
		}
	}

	usb_get_dev(dev);

	wlandev->msdstate = WLAN_MSD_HWPRESENT;

	/* Try and load firmware, then enable card before we register */
	prism2_fwtry(dev, wlandev);
	prism2sta_ifstate(wlandev, P80211ENUM_ifstate_enable);

	if (register_wlandev(wlandev) != 0) {
		dev_err(&interface->dev, "register_wlandev() failed.\n");
		result = -EIO;
		goto failed_register;
	}

	goto done;

failed_register:
	usb_put_dev(dev);
failed_reset:
	wlan_unsetup(wlandev);
failed:
	kfree(wlandev);
	kfree(hw);
	wlandev = NULL;

done:
	usb_set_intfdata(interface, wlandev);
	return result;
}
Exemple #7
0
/*----------------------------------------------------------------
* prism2sta_probe_pci
*
* Probe routine called when a PCI device w/ matching ID is found. 
* The ISL3874 implementation uses the following map:
*   BAR0: Prism2.x registers memory mapped, size=4k
* Here's the sequence:
*   - Allocate the PCI resources.  
*   - Read the PCMCIA attribute memory to make sure we have a WLAN card
*   - Reset the MAC 
*   - Initialize the netdev and wlan data
*   - Initialize the MAC
*
* Arguments:
*	pdev		ptr to pci device structure containing info about 
*			pci configuration.
*	id		ptr to the device id entry that matched this device.
*
* Returns: 
*	zero		- success
*	negative	- failed
*
* Side effects:
*	
*
* Call context:
*	process thread
*	
----------------------------------------------------------------*/
static int __devinit
prism2sta_probe_pci(
	struct pci_dev *pdev, 
	const struct pci_device_id *id)
{
	int		result;
	phys_t		phymem = 0;
	void		*mem = NULL;
        wlandevice_t    *wlandev = NULL;
	hfa384x_t	*hw = NULL;

	DBFENTER;

	/* Enable the pci device */
	if (pci_enable_device(pdev)) {
		WLAN_LOG_ERROR("%s: pci_enable_device() failed.\n", dev_info);
		result = -EIO;
		goto fail;
	}

	/* Figure out our resources */
	phymem = pci_resource_start(pdev, 0);

        if (!request_mem_region(phymem, pci_resource_len(pdev, 0), "Prism2")) {
		printk(KERN_ERR "prism2: Cannot reserve PCI memory region\n");
		result = -EIO;
		goto fail;
        }

	mem = ioremap(phymem, PCI_SIZE);
	if ( mem == 0 ) {
		WLAN_LOG_ERROR("%s: ioremap() failed.\n", dev_info);
		result = -EIO;
		goto fail;
	}

	/* Log the device */
        WLAN_LOG_INFO("A Prism2.5 PCI device found, "
		"phymem:0x%llx, irq:%d, mem:0x%p\n", 
		(unsigned long long)phymem, pdev->irq, mem);
	
	if ((wlandev = create_wlan()) == NULL) {
		WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
		result = -EIO;
		goto fail;
	}
	hw = wlandev->priv;
	
	if ( wlan_setup(wlandev) != 0 ) {
		WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info);
		result = -EIO;
		goto fail;
	}

	/* Setup netdevice's ability to report resources 
	 * Note: the netdevice was allocated by wlan_setup()
	 */
        wlandev->netdev->irq = pdev->irq;
        wlandev->netdev->mem_start = (unsigned long) mem;
        wlandev->netdev->mem_end = wlandev->netdev->mem_start + 
		pci_resource_len(pdev, 0);

	/* Register the wlandev, this gets us a name and registers the
	 * linux netdevice.
	 */
	SET_MODULE_OWNER(wlandev->netdev);
        if ( register_wlandev(wlandev) != 0 ) {
		WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info);
		result = -EIO;
		goto fail;
        }

#if 0
	/* TODO: Move this and an irq test into an hfa384x_testif() routine.
	 */
	outw(PRISM2STA_MAGIC, HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
	reg=inw( HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
	if ( reg != PRISM2STA_MAGIC ) {
		WLAN_LOG_ERROR("MAC register access test failed!\n");
		result = -EIO;
		goto fail;
	}		
#endif

	/* Initialize the hw data */
        hfa384x_create(hw, wlandev->netdev->irq, 0, mem);
	hw->wlandev = wlandev;

	/* Do a chip-level reset on the MAC */
	if (prism2_doreset) {
		result = hfa384x_corereset(hw, 
				prism2_reset_holdtime, 
				prism2_reset_settletime, 0);
		if (result != 0) {
			WLAN_LOG_ERROR(
				"%s: hfa384x_corereset() failed.\n", 
				dev_info);
			unregister_wlandev(wlandev);
			hfa384x_destroy(hw);
			result = -EIO;
			goto fail;
		}
	}

        pci_set_drvdata(pdev, wlandev);

	/* Shouldn't actually hook up the IRQ until we 
	 * _know_ things are alright.  A test routine would help.
	 */
       	request_irq(wlandev->netdev->irq, hfa384x_interrupt, 
		SA_SHIRQ, wlandev->name, wlandev);

	wlandev->msdstate = WLAN_MSD_HWPRESENT;

	result = 0;
	goto done;

 fail:
	pci_set_drvdata(pdev, NULL);
	if (wlandev)	kfree(wlandev);
	if (hw)		kfree(hw);
        if (mem)        iounmap((void *) mem);
	pci_release_regions(pdev);
        pci_disable_device(pdev);

 done:
	DBFEXIT;
	return result;
}