Ejemplo n.º 1
0
static int prism2_config(struct pcmcia_device *link)
{
	struct net_device *dev;
	struct hostap_interface *iface;
	local_info_t *local;
	int ret = 1;
	struct hostap_cs_priv *hw_priv;
	unsigned long flags;

	PDEBUG(DEBUG_FLOW, "prism2_config()\n");

	hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL);
	if (hw_priv == NULL) {
		ret = -ENOMEM;
		goto failed;
	}

	/* Look for an appropriate configuration table entry in the CIS */
	link->config_flags |= CONF_AUTO_SET_VPP | CONF_AUTO_AUDIO |
		CONF_AUTO_CHECK_VCC | CONF_AUTO_SET_IO | CONF_ENABLE_IRQ;
	if (ignore_cis_vcc)
		link->config_flags &= ~CONF_AUTO_CHECK_VCC;
	ret = pcmcia_loop_config(link, prism2_config_check, NULL);
	if (ret) {
		if (!ignore_cis_vcc)
			printk(KERN_ERR "GetNextTuple(): No matching "
			       "CIS configuration.  Maybe you need the "
			       "ignore_cis_vcc=1 parameter.\n");
		goto failed;
	}

	/* Need to allocate net_device before requesting IRQ handler */
	dev = prism2_init_local_data(&prism2_pccard_funcs, 0,
				     &link->dev);
	if (dev == NULL)
		goto failed;
	link->priv = dev;

	iface = netdev_priv(dev);
	local = iface->local;
	local->hw_priv = hw_priv;
	hw_priv->link = link;

	/*
	 * We enable IRQ here, but IRQ handler will not proceed
	 * until dev->base_addr is set below. This protect us from
	 * receive interrupts when driver is not initialized.
	 */
	ret = pcmcia_request_irq(link, prism2_interrupt);
	if (ret)
		goto failed;

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

	spin_lock_irqsave(&local->irq_init_lock, flags);
	dev->irq = link->irq;
	dev->base_addr = link->resource[0]->start;
	spin_unlock_irqrestore(&local->irq_init_lock, flags);

	local->shutdown = 0;

	sandisk_enable_wireless(dev);

	ret = prism2_hw_config(dev, 1);
	if (!ret)
		ret = hostap_hw_ready(dev);

	return ret;

 failed:
	kfree(hw_priv);
	prism2_release((u_long)link);
	return ret;
}
Ejemplo n.º 2
0
static int prism2_usb_probe(struct usb_interface *interface,
			    const struct usb_device_id *id)
{
	struct usb_device *usb;
	local_info_t *local = NULL;
	struct net_device *dev = NULL;
	static int cards_found /* = 0 */;
	struct hostap_interface *iface;
	struct hostap_usb_priv *hw_priv;

	hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL);
	if (hw_priv == NULL)
		return -ENOMEM;

	usb = interface_to_usbdev(interface);

	hw_priv->endp_in = usb_rcvbulkpipe(usb, 1);
	hw_priv->endp_out = usb_sndbulkpipe(usb, 2);
	usb_init_urb(&hw_priv->tx_urb);
	usb_init_urb(&hw_priv->rx_urb);
	hw_priv->present = 1;
	skb_queue_head_init(&hw_priv->tx_queue);

	dev = prism2_init_local_data(&prism2_usb_funcs, cards_found,
				     &interface->dev);
	if (dev == NULL)
		goto fail;
	iface = netdev_priv(dev);
	local = iface->local;
	local->hw_priv = hw_priv;
	cards_found++;

	hw_priv->usb = usb_get_dev(usb);

	prism2_usb_cor_sreset(local);

	usb_set_intfdata(interface, dev);

	if (!local->pri_only && prism2_hw_config(dev, 1)) {
		printk(KERN_DEBUG "%s: hardware initialization failed\n",
		       dev_info);
		goto fail2;
	}

	printk(KERN_INFO "%s: Intersil Prism2/2.5/3 USB", dev->name);

	return hostap_hw_ready(dev);

fail2:
	usb_put_dev(hw_priv->usb);
 fail:
	hw_priv->present = 0;
	prism2_free_local_data(dev);

	usb_kill_urb(&hw_priv->rx_urb);
	usb_kill_urb(&hw_priv->tx_urb);

// err_out_free:
	kfree(hw_priv);

	return -ENODEV;
}
static int prism2_pci_probe(struct pci_dev *pdev,
			    const struct pci_device_id *id)
{
	unsigned long phymem;
	void __iomem *mem = NULL;
	local_info_t *local = NULL;
	struct net_device *dev = NULL;
	static int cards_found ;
	int irq_registered = 0;
	struct hostap_interface *iface;
	struct hostap_pci_priv *hw_priv;

	hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL);
	if (hw_priv == NULL)
		return -ENOMEM;

	if (pci_enable_device(pdev))
		goto err_out_free;

	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");
		goto err_out_disable;
	}

	mem = pci_ioremap_bar(pdev, 0);
	if (mem == NULL) {
		printk(KERN_ERR "prism2: Cannot remap PCI memory region\n") ;
		goto fail;
	}

	dev = prism2_init_local_data(&prism2_pci_funcs, cards_found,
				     &pdev->dev);
	if (dev == NULL)
		goto fail;
	iface = netdev_priv(dev);
	local = iface->local;
	local->hw_priv = hw_priv;
	cards_found++;

        dev->irq = pdev->irq;
        hw_priv->mem_start = mem;
	dev->base_addr = (unsigned long) mem;

	prism2_pci_cor_sreset(local);

	pci_set_drvdata(pdev, dev);

	if (request_irq(dev->irq, prism2_interrupt, IRQF_SHARED, dev->name,
			dev)) {
		printk(KERN_WARNING "%s: request_irq failed\n", dev->name);
		goto fail;
	} else
		irq_registered = 1;

	if (!local->pri_only && prism2_hw_config(dev, 1)) {
		printk(KERN_DEBUG "%s: hardware initialization failed\n",
		       dev_info);
		goto fail;
	}

	printk(KERN_INFO "%s: Intersil Prism2.5 PCI: "
	       "mem=0x%lx, irq=%d\n", dev->name, phymem, dev->irq);

	return hostap_hw_ready(dev);

 fail:
	if (irq_registered && dev)
		free_irq(dev->irq, dev);

	if (mem)
		iounmap(mem);

	release_mem_region(phymem, pci_resource_len(pdev, 0));

 err_out_disable:
	pci_disable_device(pdev);
	prism2_free_local_data(dev);

 err_out_free:
	kfree(hw_priv);

	return -ENODEV;
}
Ejemplo n.º 4
0
static int prism2_plx_probe(struct pci_dev *pdev,
			    const struct pci_device_id *id)
{
	unsigned int pccard_ioaddr, plx_ioaddr;
	unsigned long pccard_attr_mem;
	unsigned int pccard_attr_len;
	void __iomem *attr_mem = NULL;
	unsigned int cor_offset = 0, cor_index = 0;
	u32 reg;
	local_info_t *local = NULL;
	struct net_device *dev = NULL;
	struct hostap_interface *iface;
	static int cards_found /* = 0 */;
	int irq_registered = 0;
	int tmd7160;
	struct hostap_plx_priv *hw_priv;

	hw_priv = kzalloc(sizeof(*hw_priv), GFP_KERNEL);
	if (hw_priv == NULL)
		return -ENOMEM;

	if (pci_enable_device(pdev))
		goto err_out_free;

	/* National Datacomm NCP130 based on TMD7160, not PLX9052. */
	tmd7160 = (pdev->vendor == 0x15e8) && (pdev->device == 0x0131);

	plx_ioaddr = pci_resource_start(pdev, 1);
	pccard_ioaddr = pci_resource_start(pdev, tmd7160 ? 2 : 3);

	if (tmd7160) {
		/* TMD7160 */
		attr_mem = NULL; /* no access to PC Card attribute memory */

		printk(KERN_INFO "TMD7160 PCI/PCMCIA adapter: io=0x%x, "
		       "irq=%d, pccard_io=0x%x\n",
		       plx_ioaddr, pdev->irq, pccard_ioaddr);

		cor_offset = plx_ioaddr;
		cor_index = 0x04;

		outb(cor_index | COR_LEVLREQ | COR_ENABLE_FUNC, plx_ioaddr);
		mdelay(1);
		reg = inb(plx_ioaddr);
		if (reg != (cor_index | COR_LEVLREQ | COR_ENABLE_FUNC)) {
			printk(KERN_ERR "%s: Error setting COR (expected="
			       "0x%02x, was=0x%02x)\n", dev_info,
			       cor_index | COR_LEVLREQ | COR_ENABLE_FUNC, reg);
			goto fail;
		}
	} else {
		/* PLX9052 */
		pccard_attr_mem = pci_resource_start(pdev, 2);
		pccard_attr_len = pci_resource_len(pdev, 2);
		if (pccard_attr_len < PLX_MIN_ATTR_LEN)
			goto fail;


		attr_mem = ioremap(pccard_attr_mem, pccard_attr_len);
		if (attr_mem == NULL) {
			printk(KERN_ERR "%s: cannot remap attr_mem\n",
			       dev_info);
			goto fail;
		}

		printk(KERN_INFO "PLX9052 PCI/PCMCIA adapter: "
		       "mem=0x%lx, plx_io=0x%x, irq=%d, pccard_io=0x%x\n",
		       pccard_attr_mem, plx_ioaddr, pdev->irq, pccard_ioaddr);

		if (prism2_plx_check_cis(attr_mem, pccard_attr_len,
					 &cor_offset, &cor_index)) {
			printk(KERN_INFO "Unknown PC Card CIS - not a "
			       "Prism2/2.5 card?\n");
			goto fail;
		}

		printk(KERN_DEBUG "Prism2/2.5 PC Card detected in PLX9052 "
		       "adapter\n");

		/* Write COR to enable PC Card */
		writeb(cor_index | COR_LEVLREQ | COR_ENABLE_FUNC,
		       attr_mem + cor_offset);

		/* Enable PCI interrupts if they are not already enabled */
		reg = inl(plx_ioaddr + PLX_INTCSR);
		printk(KERN_DEBUG "PLX_INTCSR=0x%x\n", reg);
		if (!(reg & PLX_INTCSR_PCI_INTEN)) {
			outl(reg | PLX_INTCSR_PCI_INTEN,
			     plx_ioaddr + PLX_INTCSR);
			if (!(inl(plx_ioaddr + PLX_INTCSR) &
			      PLX_INTCSR_PCI_INTEN)) {
				printk(KERN_WARNING "%s: Could not enable "
				       "Local Interrupts\n", dev_info);
				goto fail;
			}
		}

		reg = inl(plx_ioaddr + PLX_CNTRL);
		printk(KERN_DEBUG "PLX_CNTRL=0x%x (Serial EEPROM "
		       "present=%d)\n",
		       reg, (reg & PLX_CNTRL_SERIAL_EEPROM_PRESENT) != 0);
		/* should set PLX_PCIIPR to 0x01 (INTA#) if Serial EEPROM is
		 * not present; but are there really such cards in use(?) */
	}

	dev = prism2_init_local_data(&prism2_plx_funcs, cards_found,
				     &pdev->dev);
	if (dev == NULL)
		goto fail;
	iface = netdev_priv(dev);
	local = iface->local;
	local->hw_priv = hw_priv;
	cards_found++;

	dev->irq = pdev->irq;
	dev->base_addr = pccard_ioaddr;
	hw_priv->attr_mem = attr_mem;
	hw_priv->cor_offset = cor_offset;

	pci_set_drvdata(pdev, dev);

	if (request_irq(dev->irq, prism2_interrupt, IRQF_SHARED, dev->name,
			dev)) {
		printk(KERN_WARNING "%s: request_irq failed\n", dev->name);
		goto fail;
	} else
		irq_registered = 1;

	if (prism2_hw_config(dev, 1)) {
		printk(KERN_DEBUG "%s: hardware initialization failed\n",
		       dev_info);
		goto fail;
	}

	return hostap_hw_ready(dev);

 fail:
	if (irq_registered && dev)
		free_irq(dev->irq, dev);

	if (attr_mem)
		iounmap(attr_mem);

	pci_disable_device(pdev);
	prism2_free_local_data(dev);

 err_out_free:
	kfree(hw_priv);

	return -ENODEV;
}