Exemple #1
0
/* run after a CARD_INSERTATION event is received to configure the PCMCIA
 * socket and make the device available to the system */
static int prism2_config(dev_link_t *link)
{
	struct net_device *dev = (struct net_device *) link->priv;
	struct hostap_interface *iface = dev->priv;
	local_info_t *local = iface->local;
	int ret;
	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 };

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

	tuple.DesiredTuple = CISTPL_CONFIG;
	tuple.Attributes = 0;
	tuple.TupleData = buf;
	tuple.TupleDataMax = sizeof(buf);
	tuple.TupleOffset = 0;
	CS_CHECK(GetFirstTuple, link->handle, &tuple);
	CS_CHECK(GetTupleData, link->handle, &tuple);
	CS_CHECK(ParseTuple, link->handle, &tuple, &parse);
	link->conf.ConfigBase = parse.config.base;
	link->conf.Present = parse.config.rmask[0];

	CS_CHECK(GetConfigurationInfo, link->handle, &conf);
	PDEBUG(DEBUG_HW, "%s: %s Vcc=%d (from config)\n", dev_info,
	       ignore_cis_vcc ? "ignoring" : "setting", conf.Vcc);
	link->conf.Vcc = conf.Vcc;

	/* Look for an appropriate configuration table entry in the CIS */
	tuple.DesiredTuple = CISTPL_CFTABLE_ENTRY;
	CS_CHECK(GetFirstTuple, link->handle, &tuple);
	for (;;) {
		cistpl_cftable_entry_t *cfg = &(parse.cftable_entry);
		CFG_CHECK2(GetTupleData, link->handle, &tuple);
		CFG_CHECK2(ParseTuple, link->handle, &tuple, &parse);

		if (cfg->flags & CISTPL_CFTABLE_DEFAULT)
			dflt = *cfg;
		if (cfg->index == 0)
			goto next_entry;
		link->conf.ConfigIndex = cfg->index;
		PDEBUG(DEBUG_EXTRA, "Checking CFTABLE_ENTRY 0x%02X "
		       "(default 0x%02X)\n", cfg->index, dflt.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->vcc.present & (1 << CISTPL_POWER_VNOM)) {
			if (conf.Vcc != cfg->vcc.param[CISTPL_POWER_VNOM] /
			    10000 && !ignore_cis_vcc) {
				PDEBUG(DEBUG_EXTRA, "  Vcc mismatch - skipping"
				       " this entry\n");
				goto next_entry;
			}
		} else if (dflt.vcc.present & (1 << CISTPL_POWER_VNOM)) {
			if (conf.Vcc != dflt.vcc.param[CISTPL_POWER_VNOM] /
			    10000 && !ignore_cis_vcc) {
				PDEBUG(DEBUG_EXTRA, "  Vcc (default) mismatch "
				       "- skipping this entry\n");
				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;

		/* Do we need to allocate an interrupt? */
		if (cfg->irq.IRQInfo1 || dflt.irq.IRQInfo1)
			link->conf.Attributes |= CONF_ENABLE_IRQ;
		else if (!(link->conf.Attributes & CONF_ENABLE_IRQ)) {
			/* At least Compaq WL200 does not have IRQInfo1 set,
			 * but it does not work without interrupts.. */
			printk("Config has no IRQ info, but trying to enable "
			       "IRQ anyway..\n");
			link->conf.Attributes |= CONF_ENABLE_IRQ;
		}

		/* IO window settings */
		PDEBUG(DEBUG_EXTRA, "IO window settings: cfg->io.nwin=%d "
		       "dflt.io.nwin=%d\n",
		       cfg->io.nwin, dflt.io.nwin);
		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;
			PDEBUG(DEBUG_EXTRA, "io->flags = 0x%04X, "
			       "io.base=0x%04x, len=%d\n", io->flags,
			       io->win[0].base, io->win[0].len);
			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.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 */
		CFG_CHECK2(RequestIO, link->handle, &link->io);

		/* This configuration table entry is OK */
		break;

	next_entry:
		CS_CHECK(GetNextTuple, link->handle, &tuple);
	}

	/*
	 * 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 (link->conf.Attributes & CONF_ENABLE_IRQ) {
		int i;
		link->irq.Attributes = IRQ_TYPE_EXCLUSIVE | IRQ_HANDLE_PRESENT;
		link->irq.IRQInfo1 = IRQ_INFO2_VALID | IRQ_LEVEL_ID;
		if (irq_list[0] == -1)
			link->irq.IRQInfo2 = irq_mask;
		else
			for (i = 0; i < 4; i++)
				link->irq.IRQInfo2 |= 1 << irq_list[i];
		link->irq.Handler = (void *) prism2_interrupt;
		link->irq.Instance = dev;
		CS_CHECK(RequestIRQ, link->handle, &link->irq);
	}

	/*
	 * 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.
	 */
	CS_CHECK(RequestConfiguration, link->handle, &link->conf);

	dev->irq = link->irq.AssignedIRQ;
	dev->base_addr = link->io.BasePort1;

	/* Finally, report what we've done */
	printk(KERN_INFO "%s: index 0x%02x: Vcc %d.%d",
	       dev_info, 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");

	link->state |= DEV_CONFIG;
	link->state &= ~DEV_CONFIG_PENDING;

	if (prism2_init_dev(local)) {
		prism2_release((u_long) link);
		return 1;
	}

	strcpy(local->node.dev_name, dev->name);
	link->dev = &local->node;

	local->shutdown = 0;

	ret = prism2_hw_config(dev, 1);
	return ret;

 cs_failed:
	cs_error(link->handle, last_fn, last_ret);
	prism2_release((u_long)link);
	return 1;
}
Exemple #2
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;
	unsigned long attr_mem = 0;
	unsigned int cor_offset, cor_index;
	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;

	if (pci_enable_device(pdev))
		return -EIO;

	/* 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 = 0; /* 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 = (unsigned long) ioremap(pccard_attr_mem,
						   pccard_attr_len);
		if (!attr_mem) {
			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);
	if (dev == NULL)
		goto fail;
	iface = dev->priv;
	local = iface->local;
	cards_found++;

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

	if (prism2_init_dev(local))
		goto fail;

	pci_set_drvdata(pdev, dev);

	if (request_irq(dev->irq, prism2_interrupt, SA_SHIRQ, 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 0;

 fail:
	prism2_free_local_data(dev);

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

	if (attr_mem)
		iounmap((void *) attr_mem);

#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,4))
	pci_disable_device(pdev);
#endif

	return -ENODEV;
}
Exemple #3
0
static int prism2_pci_probe(struct pci_dev *pdev,
                            const struct pci_device_id *id)
{
    unsigned long phymem;
    unsigned long mem = 0;
    local_info_t *local = NULL;
    struct net_device *dev = NULL;
    static int cards_found /* = 0 */;
    int irq_registered = 0;
    struct hostap_interface *iface;

    if (pci_enable_device(pdev))
        return -EIO;

    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 = (unsigned long) ioremap(phymem, pci_resource_len(pdev, 0));
    if (!mem) {
        printk(KERN_ERR "prism2: Cannot remap PCI memory region\n") ;
        goto fail;
    }

#ifdef PRISM2_BUS_MASTER
    pci_set_master(pdev);
#endif /* PRISM2_BUS_MASTER */

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

    dev->irq = pdev->irq;
    dev->mem_start = mem;
    dev->mem_end = mem + pci_resource_len(pdev, 0);

    if (prism2_init_dev(local))
        goto fail;

    prism2_pci_cor_sreset(local);

    pci_set_drvdata(pdev, dev);

    if (request_irq(dev->irq, prism2_interrupt, SA_SHIRQ, 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 0;

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

    if (mem)
        iounmap((void *) mem);

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

err_out_disable:
#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,4))
    pci_disable_device(pdev);
#endif

    prism2_free_local_data(dev);

    return -ENODEV;
}