C++ pci_enable_device函数代码示例

static long esb_ioctl(struct file *file, unsigned int cmd, unsigned long arg)
{
	int new_options, retval = -EINVAL;
	int new_heartbeat;
	void __user *argp = (void __user *)arg;
	int __user *p = argp;
	static const struct watchdog_info ident = {
		.options =		WDIOF_SETTIMEOUT |
					WDIOF_KEEPALIVEPING |
					WDIOF_MAGICCLOSE,
		.firmware_version =	0,
		.identity =		ESB_MODULE_NAME,
	};

	switch (cmd) {
	case WDIOC_GETSUPPORT:
		return copy_to_user(argp, &ident,
					sizeof(ident)) ? -EFAULT : 0;

	case WDIOC_GETSTATUS:
		return put_user(0, p);

	case WDIOC_GETBOOTSTATUS:
		return put_user(triggered, p);

	case WDIOC_SETOPTIONS:
	{
		if (get_user(new_options, p))
			return -EFAULT;

		if (new_options & WDIOS_DISABLECARD) {
			esb_timer_stop();
			retval = 0;
		}

		if (new_options & WDIOS_ENABLECARD) {
			esb_timer_start();
			retval = 0;
		}
		return retval;
	}
	case WDIOC_KEEPALIVE:
		esb_timer_keepalive();
		return 0;

	case WDIOC_SETTIMEOUT:
	{
		if (get_user(new_heartbeat, p))
			return -EFAULT;
		if (esb_timer_set_heartbeat(new_heartbeat))
			return -EINVAL;
		esb_timer_keepalive();
		/* Fall */
	}
	case WDIOC_GETTIMEOUT:
		return put_user(heartbeat, p);
	default:
		return -ENOTTY;
	}
}

/*
 *      Kernel Interfaces
 */

static const struct file_operations esb_fops = {
	.owner = THIS_MODULE,
	.llseek = no_llseek,
	.write = esb_write,
	.unlocked_ioctl = esb_ioctl,
	.open = esb_open,
	.release = esb_release,
};

static struct miscdevice esb_miscdev = {
	.minor = WATCHDOG_MINOR,
	.name = "watchdog",
	.fops = &esb_fops,
};

/*
 * Data for PCI driver interface
 */
static struct pci_device_id esb_pci_tbl[] = {
	{ PCI_DEVICE(PCI_VENDOR_ID_INTEL, PCI_DEVICE_ID_INTEL_ESB_9), },
	{ 0, },                 /* End of list */
};
MODULE_DEVICE_TABLE(pci, esb_pci_tbl);

/*
 *      Init & exit routines
 */

static unsigned char __devinit esb_getdevice(struct pci_dev *pdev)
{
	if (pci_enable_device(pdev)) {
		printk(KERN_ERR PFX "failed to enable device\n");
		goto err_devput;
	}

//.........这里部分代码省略.........

static int __devinit chd_dec_pci_probe(struct pci_dev *pdev,
			     const struct pci_device_id *entry)
{
	struct crystalhd_adp *pinfo;
	int rc;
	enum BC_STATUS sts = BC_STS_SUCCESS;

	BCMLOG(BCMLOG_DBG, "PCI_INFO: Vendor:0x%04x Device:0x%04x "
	       "s_vendor:0x%04x s_device: 0x%04x\n",
	       pdev->vendor, pdev->device, pdev->subsystem_vendor,
	       pdev->subsystem_device);

	pinfo = kzalloc(sizeof(struct crystalhd_adp), GFP_KERNEL);
	if (!pinfo) {
		BCMLOG_ERR("Failed to allocate memory\n");
		return -ENOMEM;
	}

	pinfo->pdev = pdev;

	rc = pci_enable_device(pdev);
	if (rc) {
		BCMLOG_ERR("Failed to enable PCI device\n");
		goto err;
	}

	snprintf(pinfo->name, sizeof(pinfo->name), "crystalhd_pci_e:%d:%d:%d",
		 pdev->bus->number, PCI_SLOT(pdev->devfn),
		 PCI_FUNC(pdev->devfn));

	rc = chd_pci_reserve_mem(pinfo);
	if (rc) {
		BCMLOG_ERR("Failed to setup memory regions.\n");
		pci_disable_device(pdev);
		rc = -ENOMEM;
		goto err;
	}

	pinfo->present	= 1;
	pinfo->drv_data = entry->driver_data;

	/* Setup adapter level lock.. */
	spin_lock_init(&pinfo->lock);

	/* setup api stuff.. */
	chd_dec_init_chdev(pinfo);
	rc = chd_dec_enable_int(pinfo);
	if (rc) {
		BCMLOG_ERR("_enable_int err:%d\n", rc);
		pci_disable_device(pdev);
		rc = -ENODEV;
		goto err;
	}

	/* Set dma mask... */
	if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(64))) {
		pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
		pinfo->dmabits = 64;
	} else if (!pci_set_dma_mask(pdev, DMA_BIT_MASK(32))) {
		pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
		pinfo->dmabits = 32;
	} else {
		BCMLOG_ERR("Unabled to setup DMA %d\n", rc);
		pci_disable_device(pdev);
		rc = -ENODEV;
		goto err;
	}

	sts = crystalhd_setup_cmd_context(&pinfo->cmds, pinfo);
	if (sts != BC_STS_SUCCESS) {
		BCMLOG_ERR("cmd setup :%d\n", sts);
		pci_disable_device(pdev);
		rc = -ENODEV;
		goto err;
	}

	pci_set_master(pdev);

	pci_set_drvdata(pdev, pinfo);

	g_adp_info = pinfo;

	return 0;

err:
	kfree(pinfo);
	return rc;
}

static int serial_hsu_probe(struct pci_dev *pdev,
				const struct pci_device_id *ent)
{
	struct uart_hsu_port *uport;
	int index, ret;

	printk(KERN_INFO "HSU: found PCI Serial controller(ID: %04x:%04x)\n",
		pdev->vendor, pdev->device);

	switch (pdev->device) {
	case 0x081B:
		index = 0;
		break;
	case 0x081C:
		index = 1;
		break;
	case 0x081D:
		index = 2;
		break;
	case 0x081E:
		/* internal DMA controller */
		index = 3;
		break;
	default:
		dev_err(&pdev->dev, "HSU: out of index!");
		return -ENODEV;
	}

	ret = pci_enable_device(pdev);
	if (ret)
		return ret;

	if (index == 3) {
		/* DMA controller */
		ret = request_irq(pdev->irq, dma_irq, 0, "hsu_dma", phsu);
		if (ret) {
			dev_err(&pdev->dev, "can not get IRQ\n");
			goto err_disable;
		}
		pci_set_drvdata(pdev, phsu);
	} else {
		/* UART port 0~2 */
		uport = &phsu->port[index];
		uport->port.irq = pdev->irq;
		uport->port.dev = &pdev->dev;
		uport->dev = &pdev->dev;

		ret = request_irq(pdev->irq, port_irq, 0, uport->name, uport);
		if (ret) {
			dev_err(&pdev->dev, "can not get IRQ\n");
			goto err_disable;
		}
		uart_add_one_port(&serial_hsu_reg, &uport->port);

		pci_set_drvdata(pdev, uport);
	}

	pm_runtime_put_noidle(&pdev->dev);
	pm_runtime_allow(&pdev->dev);

	return 0;

err_disable:
	pci_disable_device(pdev);
	return ret;
}

/*
 * Probe PLX90xx based device for the SJA1000 chips and register each
 * available CAN channel to SJA1000 Socket-CAN subsystem.
 */
static int __devinit plx_pci_add_card(struct pci_dev *pdev,
				      const struct pci_device_id *ent)
{
	struct sja1000_priv *priv;
	struct net_device *dev;
	struct plx_pci_card *card;
	struct plx_pci_card_info *ci;
	int err, i;
	u32 val;
	void __iomem *addr;

	ci = (struct plx_pci_card_info *)ent->driver_data;

	if (pci_enable_device(pdev) < 0) {
		dev_err(&pdev->dev, "Failed to enable PCI device\n");
		return -ENODEV;
	}

	dev_info(&pdev->dev, "Detected \"%s\" card at slot #%i\n",
		 ci->name, PCI_SLOT(pdev->devfn));

	/* Allocate card structures to hold addresses, ... */
	card = kzalloc(sizeof(*card), GFP_KERNEL);
	if (!card) {
		dev_err(&pdev->dev, "Unable to allocate memory\n");
		pci_disable_device(pdev);
		return -ENOMEM;
	}

	pci_set_drvdata(pdev, card);

	card->channels = 0;

	/* Remap PLX90xx configuration space */
	addr = pci_iomap(pdev, ci->conf_map.bar, ci->conf_map.size);
	if (!addr) {
		err = -ENOMEM;
		dev_err(&pdev->dev, "Failed to remap configuration space "
			"(BAR%d)\n", ci->conf_map.bar);
		goto failure_cleanup;
	}
	card->conf_addr = addr + ci->conf_map.offset;

	ci->reset_func(pdev);
	card->reset_func = ci->reset_func;

	/* Detect available channels */
	for (i = 0; i < ci->channel_count; i++) {
		struct plx_pci_channel_map *cm = &ci->chan_map_tbl[i];

		dev = alloc_sja1000dev(0);
		if (!dev) {
			err = -ENOMEM;
			goto failure_cleanup;
		}

		card->net_dev[i] = dev;
		priv = netdev_priv(dev);
		priv->priv = card;
		priv->irq_flags = IRQF_SHARED;

		dev->irq = pdev->irq;

		/*
		 * Remap IO space of the SJA1000 chips
		 * This is device-dependent mapping
		 */
		addr = pci_iomap(pdev, cm->bar, cm->size);
		if (!addr) {
			err = -ENOMEM;
			dev_err(&pdev->dev, "Failed to remap BAR%d\n", cm->bar);
			goto failure_cleanup;
		}

		priv->reg_base = addr + cm->offset;
		priv->read_reg = plx_pci_read_reg;
		priv->write_reg = plx_pci_write_reg;

		/* Check if channel is present */
		if (plx_pci_check_sja1000(priv)) {
			priv->can.clock.freq = ci->can_clock;
			priv->ocr = ci->ocr;
			priv->cdr = ci->cdr;

			SET_NETDEV_DEV(dev, &pdev->dev);

			/* Register SJA1000 device */
			err = register_sja1000dev(dev);
			if (err) {
				dev_err(&pdev->dev, "Registering device failed "
					"(err=%d)\n", err);
				goto failure_cleanup;
			}

			card->channels++;

//.........这里部分代码省略.........

static int sil_init_one (struct pci_dev *pdev, const struct pci_device_id *ent)
{
	static int printed_version;
	struct ata_probe_ent *probe_ent = NULL;
	unsigned long base;
	void *mmio_base;
	int rc;

	if (!printed_version++)
		printk(KERN_DEBUG DRV_NAME " version " DRV_VERSION "\n");

	/*
	 * If this driver happens to only be useful on Apple's K2, then
	 * we should check that here as it has a normal Serverworks ID
	 */
	rc = pci_enable_device(pdev);
	if (rc)
		return rc;

	rc = pci_request_regions(pdev, DRV_NAME);
	if (rc)
		goto err_out;

	rc = pci_set_dma_mask(pdev, ATA_DMA_MASK);
	if (rc)
		goto err_out_regions;

	probe_ent = kmalloc(sizeof(*probe_ent), GFP_KERNEL);
	if (probe_ent == NULL) {
		rc = -ENOMEM;
		goto err_out_regions;
	}

	memset(probe_ent, 0, sizeof(*probe_ent));
	INIT_LIST_HEAD(&probe_ent->node);
	probe_ent->pdev = pdev;
	probe_ent->port_ops = sil_port_info[ent->driver_data].port_ops;
	probe_ent->sht = sil_port_info[ent->driver_data].sht;
	probe_ent->n_ports = 2;
	probe_ent->pio_mask = sil_port_info[ent->driver_data].pio_mask;
	probe_ent->udma_mask = sil_port_info[ent->driver_data].udma_mask;
       	probe_ent->irq = pdev->irq;
       	probe_ent->irq_flags = SA_SHIRQ;
	probe_ent->host_flags = sil_port_info[ent->driver_data].host_flags;

	mmio_base = ioremap(pci_resource_start(pdev, 5),
		            pci_resource_len(pdev, 5));
	if (mmio_base == NULL) {
		rc = -ENOMEM;
		goto err_out_free_ent;
	}

	probe_ent->mmio_base = mmio_base;

	base = (unsigned long) mmio_base;
	probe_ent->port[0].cmd_addr = base + SIL_IDE0_TF;
	probe_ent->port[0].ctl_addr = base + SIL_IDE0_CTL;
	probe_ent->port[0].bmdma_addr = base + SIL_IDE0_BMDMA;
	probe_ent->port[0].scr_addr = base + SIL_IDE0_SCR;
	ata_std_ports(&probe_ent->port[0]);

	probe_ent->port[1].cmd_addr = base + SIL_IDE1_TF;
	probe_ent->port[1].ctl_addr = base + SIL_IDE1_CTL;
	probe_ent->port[1].bmdma_addr = base + SIL_IDE1_BMDMA;
	probe_ent->port[1].scr_addr = base + SIL_IDE1_SCR;
	ata_std_ports(&probe_ent->port[1]);

	pci_set_master(pdev);

	/* FIXME: check ata_device_add return value */
	ata_device_add(probe_ent);
	kfree(probe_ent);

	return 0;

err_out_free_ent:
	kfree(probe_ent);
err_out_regions:
	pci_release_regions(pdev);
err_out:
	pci_disable_device(pdev);
	return rc;
}

static int __devinit
snd_nm256_create(struct snd_card *card, struct pci_dev *pci,
		 struct nm256 **chip_ret)
{
	struct nm256 *chip;
	int err, pval;
	static struct snd_device_ops ops = {
		.dev_free =	snd_nm256_dev_free,
	};
	u32 addr;

	*chip_ret = NULL;

	if ((err = pci_enable_device(pci)) < 0)
		return err;

	chip = kzalloc(sizeof(*chip), GFP_KERNEL);
	if (chip == NULL) {
		pci_disable_device(pci);
		return -ENOMEM;
	}

	chip->card = card;
	chip->pci = pci;
	chip->use_cache = use_cache;
	spin_lock_init(&chip->reg_lock);
	chip->irq = -1;
	mutex_init(&chip->irq_mutex);

	
	chip->streams[SNDRV_PCM_STREAM_PLAYBACK].bufsize = playback_bufsize * 1024;
	chip->streams[SNDRV_PCM_STREAM_CAPTURE].bufsize = capture_bufsize * 1024;


	chip->buffer_addr = pci_resource_start(pci, 0);
	chip->cport_addr = pci_resource_start(pci, 1);

	
	
	chip->res_cport = request_mem_region(chip->cport_addr, NM_PORT2_SIZE,
					     card->driver);
	if (chip->res_cport == NULL) {
		snd_printk(KERN_ERR "memory region 0x%lx (size 0x%x) busy\n",
			   chip->cport_addr, NM_PORT2_SIZE);
		err = -EBUSY;
		goto __error;
	}
	chip->cport = ioremap_nocache(chip->cport_addr, NM_PORT2_SIZE);
	if (chip->cport == NULL) {
		snd_printk(KERN_ERR "unable to map control port %lx\n", chip->cport_addr);
		err = -ENOMEM;
		goto __error;
	}

	if (!strcmp(card->driver, "NM256AV")) {
		
		pval = snd_nm256_readw(chip, NM_MIXER_PRESENCE);
		if ((pval & NM_PRESENCE_MASK) != NM_PRESENCE_VALUE) {
			if (! force_ac97) {
				printk(KERN_ERR "nm256: no ac97 is found!\n");
				printk(KERN_ERR "  force the driver to load by "
				       "passing in the module parameter\n");
				printk(KERN_ERR "    force_ac97=1\n");
				printk(KERN_ERR "  or try sb16, opl3sa2, or "
				       "cs423x drivers instead.\n");
				err = -ENXIO;
				goto __error;
			}
		}
		chip->buffer_end = 2560 * 1024;
		chip->interrupt = snd_nm256_interrupt;
		chip->mixer_status_offset = NM_MIXER_STATUS_OFFSET;
		chip->mixer_status_mask = NM_MIXER_READY_MASK;
	} else {
		
		if (snd_nm256_readb(chip, 0xa0b) != 0)
			chip->buffer_end = 6144 * 1024;
		else
			chip->buffer_end = 4096 * 1024;

		chip->interrupt = snd_nm256_interrupt_zx;
		chip->mixer_status_offset = NM2_MIXER_STATUS_OFFSET;
		chip->mixer_status_mask = NM2_MIXER_READY_MASK;
	}
	
	chip->buffer_size = chip->streams[SNDRV_PCM_STREAM_PLAYBACK].bufsize +
		chip->streams[SNDRV_PCM_STREAM_CAPTURE].bufsize;
	if (chip->use_cache)
		chip->buffer_size += NM_TOTAL_COEFF_COUNT * 4;
	else
		chip->buffer_size += NM_MAX_PLAYBACK_COEF_SIZE + NM_MAX_RECORD_COEF_SIZE;

	if (buffer_top >= chip->buffer_size && buffer_top < chip->buffer_end)
		chip->buffer_end = buffer_top;
	else {
		
		if ((err = snd_nm256_peek_for_sig(chip)) < 0)
			goto __error;
	}

//.........这里部分代码省略.........

int __devinit
setup_sedlbauer(struct IsdnCard *card)
{
	int bytecnt, ver, val;
	struct IsdnCardState *cs = card->cs;
	char tmp[64];
	u16 sub_vendor_id, sub_id;

	strcpy(tmp, Sedlbauer_revision);
	printk(KERN_INFO "HiSax: Sedlbauer driver Rev. %s\n", HiSax_getrev(tmp));
	
 	if (cs->typ == ISDN_CTYPE_SEDLBAUER) {
 		cs->subtyp = SEDL_SPEED_CARD_WIN;
		cs->hw.sedl.bus = SEDL_BUS_ISA;
		cs->hw.sedl.chip = SEDL_CHIP_TEST;
 	} else if (cs->typ == ISDN_CTYPE_SEDLBAUER_PCMCIA) {	
 		cs->subtyp = SEDL_SPEED_STAR;
		cs->hw.sedl.bus = SEDL_BUS_PCMCIA;
		cs->hw.sedl.chip = SEDL_CHIP_TEST;
 	} else if (cs->typ == ISDN_CTYPE_SEDLBAUER_FAX) {	
 		cs->subtyp = SEDL_SPEED_FAX;
		cs->hw.sedl.bus = SEDL_BUS_ISA;
		cs->hw.sedl.chip = SEDL_CHIP_ISAC_ISAR;
 	} else
		return (0);

	bytecnt = 8;
	if (card->para[1]) {
		cs->hw.sedl.cfg_reg = card->para[1];
		cs->irq = card->para[0];
		if (cs->hw.sedl.chip == SEDL_CHIP_ISAC_ISAR) {
			bytecnt = 16;
		}
	} else {
#ifdef __ISAPNP__
		if (isapnp_present()) {
			struct pnp_dev *pnp_d;
			while(ipid->card_vendor) {
				if ((pnp_c = pnp_find_card(ipid->card_vendor,
					ipid->card_device, pnp_c))) {
					pnp_d = NULL;
					if ((pnp_d = pnp_find_dev(pnp_c,
						ipid->vendor, ipid->function, pnp_d))) {
						int err;

						printk(KERN_INFO "HiSax: %s detected\n",
							(char *)ipid->driver_data);
						pnp_disable_dev(pnp_d);
						err = pnp_activate_dev(pnp_d);
						if (err<0) {
							printk(KERN_WARNING "%s: pnp_activate_dev ret(%d)\n",
								__FUNCTION__, err);
							return(0);
						}
						card->para[1] = pnp_port_start(pnp_d, 0);
						card->para[0] = pnp_irq(pnp_d, 0);

						if (!card->para[0] || !card->para[1]) {
							printk(KERN_ERR "Sedlbauer PnP:some resources are missing %ld/%lx\n",
								card->para[0], card->para[1]);
							pnp_disable_dev(pnp_d);
							return(0);
						}
						cs->hw.sedl.cfg_reg = card->para[1];
						cs->irq = card->para[0];
						if (ipid->function == ISAPNP_FUNCTION(0x2)) {
							cs->subtyp = SEDL_SPEED_FAX;
							cs->hw.sedl.chip = SEDL_CHIP_ISAC_ISAR;
							bytecnt = 16;
						} else {
							cs->subtyp = SEDL_SPEED_CARD_WIN;
							cs->hw.sedl.chip = SEDL_CHIP_TEST;
						}
						goto ready;
					} else {
						printk(KERN_ERR "Sedlbauer PnP: PnP error card found, no device\n");
						return(0);
					}
				}
				ipid++;
				pnp_c = NULL;
			} 
			if (!ipid->card_vendor) {
				printk(KERN_INFO "Sedlbauer PnP: no ISAPnP card found\n");
			}
		}
#endif
/* Probe for Sedlbauer speed pci */
#ifdef CONFIG_PCI
		if ((dev_sedl = pci_find_device(PCI_VENDOR_ID_TIGERJET,
				PCI_DEVICE_ID_TIGERJET_100, dev_sedl))) {
			if (pci_enable_device(dev_sedl))
				return(0);
			cs->irq = dev_sedl->irq;
			if (!cs->irq) {
				printk(KERN_WARNING "Sedlbauer: No IRQ for PCI card found\n");
				return(0);
			}
			cs->hw.sedl.cfg_reg = pci_resource_start(dev_sedl, 0);
		} else {
//.........这里部分代码省略.........

int qib_pcie_init(struct pci_dev *pdev, const struct pci_device_id *ent)
{
	int ret;

	ret = pci_enable_device(pdev);
	if (ret) {
		/*
		 * This can happen (in theory) iff:
		 * We did a chip reset, and then failed to reprogram the
		 * BAR, or the chip reset due to an internal error.  We then
		 * unloaded the driver and reloaded it.
		 *
		 * Both reset cases set the BAR back to initial state.  For
		 * the latter case, the AER sticky error bit at offset 0x718
		 * should be set, but the Linux kernel doesn't yet know
		 * about that, it appears.  If the original BAR was retained
		 * in the kernel data structures, this may be OK.
		 */
		qib_early_err(&pdev->dev, "pci enable failed: error %d\n",
			      -ret);
		goto done;
	}

	ret = pci_request_regions(pdev, QIB_DRV_NAME);
	if (ret) {
		qib_devinfo(pdev, "pci_request_regions fails: err %d\n", -ret);
		goto bail;
	}

	ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(64));
	if (ret) {
		/*
		 * If the 64 bit setup fails, try 32 bit.  Some systems
		 * do not setup 64 bit maps on systems with 2GB or less
		 * memory installed.
		 */
		ret = pci_set_dma_mask(pdev, DMA_BIT_MASK(32));
		if (ret) {
			qib_devinfo(pdev, "Unable to set DMA mask: %d\n", ret);
			goto bail;
		}
		ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(32));
	} else
		ret = pci_set_consistent_dma_mask(pdev, DMA_BIT_MASK(64));
	if (ret)
		qib_early_err(&pdev->dev,
			      "Unable to set DMA consistent mask: %d\n", ret);

	pci_set_master(pdev);
	ret = pci_enable_pcie_error_reporting(pdev);
	if (ret)
		qib_early_err(&pdev->dev,
			      "Unable to enable pcie error reporting: %d\n",
			      ret);
	goto done;

bail:
	pci_disable_device(pdev);
	pci_release_regions(pdev);
done:
	return ret;
}

static int __devinit p54p_probe(struct pci_dev *pdev,
				const struct pci_device_id *id)
{
	struct p54p_priv *priv;
	struct ieee80211_hw *dev;
	unsigned long mem_addr, mem_len;
	int err;

	err = pci_enable_device(pdev);
	if (err) {
		printk(KERN_ERR "%s (p54pci): Cannot enable new PCI device\n",
		       pci_name(pdev));
		return err;
	}

	mem_addr = pci_resource_start(pdev, 0);
	mem_len = pci_resource_len(pdev, 0);
	if (mem_len < sizeof(struct p54p_csr)) {
		printk(KERN_ERR "%s (p54pci): Too short PCI resources\n",
		       pci_name(pdev));
		goto err_disable_dev;
	}

	err = pci_request_regions(pdev, "p54pci");
	if (err) {
		printk(KERN_ERR "%s (p54pci): Cannot obtain PCI resources\n",
		       pci_name(pdev));
		goto err_disable_dev;
	}

	if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) ||
	    pci_set_consistent_dma_mask(pdev, DMA_32BIT_MASK)) {
		printk(KERN_ERR "%s (p54pci): No suitable DMA available\n",
		       pci_name(pdev));
		goto err_free_reg;
	}

	pci_set_master(pdev);
	pci_try_set_mwi(pdev);

	pci_write_config_byte(pdev, 0x40, 0);
	pci_write_config_byte(pdev, 0x41, 0);

	dev = p54_init_common(sizeof(*priv));
	if (!dev) {
		printk(KERN_ERR "%s (p54pci): ieee80211 alloc failed\n",
		       pci_name(pdev));
		err = -ENOMEM;
		goto err_free_reg;
	}

	priv = dev->priv;
	priv->pdev = pdev;

	SET_IEEE80211_DEV(dev, &pdev->dev);
	pci_set_drvdata(pdev, dev);

	priv->map = ioremap(mem_addr, mem_len);
	if (!priv->map) {
		printk(KERN_ERR "%s (p54pci): Cannot map device memory\n",
		       pci_name(pdev));
		err = -EINVAL;	// TODO: use a better error code?
		goto err_free_dev;
	}

	priv->ring_control = pci_alloc_consistent(pdev, sizeof(*priv->ring_control),
						  &priv->ring_control_dma);
	if (!priv->ring_control) {
		printk(KERN_ERR "%s (p54pci): Cannot allocate rings\n",
		       pci_name(pdev));
		err = -ENOMEM;
		goto err_iounmap;
	}
	priv->common.open = p54p_open;
	priv->common.stop = p54p_stop;
	priv->common.tx = p54p_tx;

	spin_lock_init(&priv->lock);
	tasklet_init(&priv->rx_tasklet, p54p_rx_tasklet, (unsigned long)dev);

	err = request_firmware(&priv->firmware, "isl3886pci",
			       &priv->pdev->dev);
	if (err) {
		printk(KERN_ERR "%s (p54pci): cannot find firmware "
			"(isl3886pci)\n", pci_name(priv->pdev));
		err = request_firmware(&priv->firmware, "isl3886",
				       &priv->pdev->dev);
		if (err)
			goto err_free_common;
	}

	err = p54p_open(dev);
	if (err)
		goto err_free_common;
	err = p54_read_eeprom(dev);
	p54p_stop(dev);
	if (err)
		goto err_free_common;

	err = ieee80211_register_hw(dev);
//.........这里部分代码省略.........

static int c_can_pci_probe(struct pci_dev *pdev,
			   const struct pci_device_id *ent)
{
	struct c_can_pci_data *c_can_pci_data = (void *)ent->driver_data;
	struct c_can_priv *priv;
	struct net_device *dev;
	void __iomem *addr;
	int ret;

	ret = pci_enable_device(pdev);
	if (ret) {
		dev_err(&pdev->dev, "pci_enable_device FAILED\n");
		goto out;
	}

	ret = pci_request_regions(pdev, KBUILD_MODNAME);
	if (ret) {
		dev_err(&pdev->dev, "pci_request_regions FAILED\n");
		goto out_disable_device;
	}

	pci_set_master(pdev);
	pci_enable_msi(pdev);

	addr = pci_iomap(pdev, 0, pci_resource_len(pdev, 0));
	if (!addr) {
		dev_err(&pdev->dev,
			"device has no PCI memory resources, "
			"failing adapter\n");
		ret = -ENOMEM;
		goto out_release_regions;
	}

	/* allocate the c_can device */
	dev = alloc_c_can_dev();
	if (!dev) {
		ret = -ENOMEM;
		goto out_iounmap;
	}

	priv = netdev_priv(dev);
	pci_set_drvdata(pdev, dev);
	SET_NETDEV_DEV(dev, &pdev->dev);

	dev->irq = pdev->irq;
	priv->base = addr;

	if (!c_can_pci_data->freq) {
		dev_err(&pdev->dev, "no clock frequency defined\n");
		ret = -ENODEV;
		goto out_free_c_can;
	} else {
		priv->can.clock.freq = c_can_pci_data->freq;
	}

	/* Configure CAN type */
	switch (c_can_pci_data->type) {
	case BOSCH_C_CAN:
		priv->regs = reg_map_c_can;
		break;
	case BOSCH_D_CAN:
		priv->regs = reg_map_d_can;
		priv->can.ctrlmode_supported |= CAN_CTRLMODE_3_SAMPLES;
		break;
	default:
		ret = -EINVAL;
		goto out_free_c_can;
	}

	/* Configure access to registers */
	switch (c_can_pci_data->reg_align) {
	case C_CAN_REG_ALIGN_32:
		priv->read_reg = c_can_pci_read_reg_aligned_to_32bit;
		priv->write_reg = c_can_pci_write_reg_aligned_to_32bit;
		break;
	case C_CAN_REG_ALIGN_16:
		priv->read_reg = c_can_pci_read_reg_aligned_to_16bit;
		priv->write_reg = c_can_pci_write_reg_aligned_to_16bit;
		break;
	default:
		ret = -EINVAL;
		goto out_free_c_can;
	}

	ret = register_c_can_dev(dev);
	if (ret) {
		dev_err(&pdev->dev, "registering %s failed (err=%d)\n",
			KBUILD_MODNAME, ret);
		goto out_free_c_can;
	}

	dev_dbg(&pdev->dev, "%s device registered (regs=%p, irq=%d)\n",
		 KBUILD_MODNAME, priv->regs, dev->irq);

	return 0;

out_free_c_can:
	free_c_can_dev(dev);
out_iounmap:
	pci_iounmap(pdev, addr);
//.........这里部分代码省略.........

static int __devinit solo_pci_probe(struct pci_dev *pdev,
				    const struct pci_device_id *id)
{
	struct solo_dev *solo_dev;
	int ret;
	int sdram;
	u8 chip_id;
	u32 reg;

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

	solo_dev->pdev = pdev;
	spin_lock_init(&solo_dev->reg_io_lock);
	pci_set_drvdata(pdev, solo_dev);

	ret = pci_enable_device(pdev);
	if (ret)
		goto fail_probe;

	pci_set_master(pdev);

	ret = pci_request_regions(pdev, SOLO6X10_NAME);
	if (ret)
		goto fail_probe;

	solo_dev->reg_base = pci_ioremap_bar(pdev, 0);
	if (solo_dev->reg_base == NULL) {
		ret = -ENOMEM;
		goto fail_probe;
	}

	chip_id = solo_reg_read(solo_dev, SOLO_CHIP_OPTION) &
					SOLO_CHIP_ID_MASK;
	switch (chip_id) {
	case 7:
		solo_dev->nr_chans = 16;
		solo_dev->nr_ext = 5;
		break;
	case 6:
		solo_dev->nr_chans = 8;
		solo_dev->nr_ext = 2;
		break;
	default:
		dev_warn(&pdev->dev, "Invalid chip_id 0x%02x, "
			 "defaulting to 4 channels\n",
			 chip_id);
	case 5:
		solo_dev->nr_chans = 4;
		solo_dev->nr_ext = 1;
	}

	solo_dev->flags = id->driver_data;

	/* Disable all interrupts to start */
	solo_irq_off(solo_dev, ~0);

	reg = SOLO_SYS_CFG_SDRAM64BIT;
	/* Initial global settings */
	if (!(solo_dev->flags & FLAGS_6110))
		reg |= SOLO6010_SYS_CFG_INPUTDIV(25) |
			SOLO6010_SYS_CFG_FEEDBACKDIV((SOLO_CLOCK_MHZ * 2) - 2) |
			SOLO6010_SYS_CFG_OUTDIV(3);
	solo_reg_write(solo_dev, SOLO_SYS_CFG, reg);

	if (solo_dev->flags & FLAGS_6110) {
		u32 sys_clock_MHz = SOLO_CLOCK_MHZ;
		u32 pll_DIVQ;
		u32 pll_DIVF;

		if (sys_clock_MHz < 125) {
			pll_DIVQ = 3;
			pll_DIVF = (sys_clock_MHz * 4) / 3;
		} else {
			pll_DIVQ = 2;
			pll_DIVF = (sys_clock_MHz * 2) / 3;
		}

		solo_reg_write(solo_dev, SOLO6110_PLL_CONFIG,
			       SOLO6110_PLL_RANGE_5_10MHZ |
			       SOLO6110_PLL_DIVR(9) |
			       SOLO6110_PLL_DIVQ_EXP(pll_DIVQ) |
			       SOLO6110_PLL_DIVF(pll_DIVF) | SOLO6110_PLL_FSEN);
		mdelay(1);      /* PLL Locking time (1ms) */

		solo_reg_write(solo_dev, SOLO_DMA_CTRL1, 3 << 8); /* ? */
	} else
		solo_reg_write(solo_dev, SOLO_DMA_CTRL1, 1 << 8); /* ? */

	solo_reg_write(solo_dev, SOLO_TIMER_CLOCK_NUM, SOLO_CLOCK_MHZ - 1);

	/* PLL locking time of 1ms */
	mdelay(1);

	ret = request_irq(pdev->irq, solo_isr, IRQF_SHARED, SOLO6X10_NAME,
			  solo_dev);
	if (ret)
		goto fail_probe;

//.........这里部分代码省略.........

int __init
setup_telespci(struct IsdnCard *card)
{
	struct IsdnCardState *cs = card->cs;
	char tmp[64];

#ifdef __BIG_ENDIAN
#error "not running on big endian machines now"
#endif
	strcpy(tmp, telespci_revision);
	printk(KERN_INFO "HiSax: Teles/PCI driver Rev. %s\n", HiSax_getrev(tmp));
	if (cs->typ != ISDN_CTYPE_TELESPCI)
		return (0);
#if CONFIG_PCI
	if (!pci_present()) {
		printk(KERN_ERR "TelesPCI: no PCI bus present\n");
		return(0);
	}
	if ((dev_tel = pci_find_device (PCI_VENDOR_ID_ZORAN, PCI_DEVICE_ID_ZORAN_36120, dev_tel))) {
		if (pci_enable_device(dev_tel))
			return(0);
		cs->irq = dev_tel->irq;
		if (!cs->irq) {
			printk(KERN_WARNING "Teles: No IRQ for PCI card found\n");
			return(0);
		}
		cs->hw.teles0.membase = (u_long) ioremap(pci_resource_start(dev_tel, 0),
			PAGE_SIZE);
		printk(KERN_INFO "Found: Zoran, base-address: 0x%lx, irq: 0x%x\n",
			pci_resource_start(dev_tel, 0), dev_tel->irq);
	} else {
		printk(KERN_WARNING "TelesPCI: No PCI card found\n");
		return(0);
	}
#else
	printk(KERN_WARNING "HiSax: Teles/PCI and NO_PCI_BIOS\n");
	printk(KERN_WARNING "HiSax: Teles/PCI unable to config\n");
	return (0);
#endif /* CONFIG_PCI */

	/* Initialize Zoran PCI controller */
	writel(0x00000000, cs->hw.teles0.membase + 0x28);
	writel(0x01000000, cs->hw.teles0.membase + 0x28);
	writel(0x01000000, cs->hw.teles0.membase + 0x28);
	writel(0x7BFFFFFF, cs->hw.teles0.membase + 0x2C);
	writel(0x70000000, cs->hw.teles0.membase + 0x3C);
	writel(0x61000000, cs->hw.teles0.membase + 0x40);
	/* writel(0x00800000, cs->hw.teles0.membase + 0x200); */

	printk(KERN_INFO
	       "HiSax: %s config irq:%d mem:%lx\n",
	       CardType[cs->typ], cs->irq,
	       cs->hw.teles0.membase);

	cs->readisac = &ReadISAC;
	cs->writeisac = &WriteISAC;
	cs->readisacfifo = &ReadISACfifo;
	cs->writeisacfifo = &WriteISACfifo;
	cs->BC_Read_Reg = &ReadHSCX;
	cs->BC_Write_Reg = &WriteHSCX;
	cs->BC_Send_Data = &hscx_fill_fifo;
	cs->cardmsg = &TelesPCI_card_msg;
	cs->irq_func = &telespci_interrupt;
	cs->irq_flags |= SA_SHIRQ;
	ISACVersion(cs, "TelesPCI:");
	if (HscxVersion(cs, "TelesPCI:")) {
		printk(KERN_WARNING
		 "TelesPCI: wrong HSCX versions check IO/MEM addresses\n");
		release_io_telespci(cs);
		return (0);
	}
	return (1);
}

static int bcma_host_pci_probe(struct pci_dev *dev,
			       const struct pci_device_id *id)
{
	struct bcma_bus *bus;
	int err = -ENOMEM;
	const char *name;
	u32 val;

	/* Alloc */
	bus = kzalloc(sizeof(*bus), GFP_KERNEL);
	if (!bus)
		goto out;

	/* Basic PCI configuration */
	err = pci_enable_device(dev);
	if (err)
		goto err_kfree_bus;

	name = dev_name(&dev->dev);
	if (dev->driver && dev->driver->name)
		name = dev->driver->name;
	err = pci_request_regions(dev, name);
	if (err)
		goto err_pci_disable;
	pci_set_master(dev);

	/* Disable the RETRY_TIMEOUT register (0x41) to keep
	 * PCI Tx retries from interfering with C3 CPU state */
	pci_read_config_dword(dev, 0x40, &val);
	if ((val & 0x0000ff00) != 0)
		pci_write_config_dword(dev, 0x40, val & 0xffff00ff);

	/* SSB needed additional powering up, do we have any AMBA PCI cards? */
	if (!pci_is_pcie(dev)) {
		bcma_err(bus, "PCI card detected, they are not supported.\n");
		err = -ENXIO;
		goto err_pci_release_regions;
	}

	/* Map MMIO */
	err = -ENOMEM;
	bus->mmio = pci_iomap(dev, 0, ~0UL);
	if (!bus->mmio)
		goto err_pci_release_regions;

	/* Host specific */
	bus->host_pci = dev;
	bus->hosttype = BCMA_HOSTTYPE_PCI;
	bus->ops = &bcma_host_pci_ops;

	bus->boardinfo.vendor = bus->host_pci->subsystem_vendor;
	bus->boardinfo.type = bus->host_pci->subsystem_device;

	/* Initialize struct, detect chip */
	bcma_init_bus(bus);

	/* Scan bus to find out generation of PCIe core */
	err = bcma_bus_scan(bus);
	if (err)
		goto err_pci_unmap_mmio;

	if (bcma_find_core(bus, BCMA_CORE_PCIE2))
		bus->host_is_pcie2 = true;

	/* Register */
	err = bcma_bus_register(bus);
	if (err)
		goto err_unregister_cores;

	pci_set_drvdata(dev, bus);

out:
	return err;

err_unregister_cores:
	bcma_unregister_cores(bus);
err_pci_unmap_mmio:
	pci_iounmap(dev, bus->mmio);
err_pci_release_regions:
	pci_release_regions(dev);
err_pci_disable:
	pci_disable_device(dev);
err_kfree_bus:
	kfree(bus);
	return err;
}

int __init
setup_sct_quadro(struct IsdnCard *card)
{
#if CONFIG_PCI
    struct IsdnCardState *cs = card->cs;
    char tmp[64];
    u_char pci_rev_id;
    u_int found = 0;
    u_int pci_ioaddr1, pci_ioaddr2, pci_ioaddr3, pci_ioaddr4, pci_ioaddr5;

    strcpy(tmp, sct_quadro_revision);
    printk(KERN_INFO "HiSax: T-Berkom driver Rev. %s\n", HiSax_getrev(tmp));
    if (cs->typ == ISDN_CTYPE_SCT_QUADRO) {
        cs->subtyp = SCT_1;	/* Preset */
    } else
        return (0);

    /* Identify subtype by para[0] */
    if (card->para[0] >= SCT_1 && card->para[0] <= SCT_4)
        cs->subtyp = card->para[0];
    else {
        printk(KERN_WARNING "HiSax: %s: Invalid subcontroller in configuration, default to 1\n",
               CardType[card->typ]);
        return (0);
    }
    if ((cs->subtyp != SCT_1) && ((sub_sys_id != PCI_DEVICE_ID_BERKOM_SCITEL_QUADRO) ||
                                  (sub_vendor_id != PCI_VENDOR_ID_BERKOM)))
        return (0);
    if (cs->subtyp == SCT_1) {
        if (!pci_present()) {
            printk(KERN_ERR "bkm_a4t: no PCI bus present\n");
            return (0);
        }
        while ((dev_a8 = pci_find_device(PCI_VENDOR_ID_PLX,
                                         PCI_DEVICE_ID_PLX_9050, dev_a8))) {

            pci_get_sub_vendor(dev_a8,sub_vendor_id);
            pci_get_sub_system(dev_a8,sub_sys_id);
            if ((sub_sys_id == PCI_DEVICE_ID_BERKOM_SCITEL_QUADRO) &&
                    (sub_vendor_id == PCI_VENDOR_ID_BERKOM)) {
                if (pci_enable_device(dev_a8))
                    return(0);
                pci_ioaddr1 = pci_resource_start_io(dev_a8, 1);
                pci_irq = dev_a8->irq;
                pci_bus = dev_a8->bus->number;
                pci_device_fn = dev_a8->devfn;
                found = 1;
                break;
            }
        }
        if (!found) {
            printk(KERN_WARNING "HiSax: %s (%s): Card not found\n",
                   CardType[card->typ],
                   sct_quadro_subtypes[cs->subtyp]);
            return (0);
        }
#ifdef ATTEMPT_PCI_REMAPPING
        /* HACK: PLX revision 1 bug: PLX address bit 7 must not be set */
        pcibios_read_config_byte(pci_bus, pci_device_fn,
                                 PCI_REVISION_ID, &pci_rev_id);
        if ((pci_ioaddr1 & 0x80) && (pci_rev_id == 1)) {
            printk(KERN_WARNING "HiSax: %s (%s): PLX rev 1, remapping required!\n",
                   CardType[card->typ],
                   sct_quadro_subtypes[cs->subtyp]);
            /* Restart PCI negotiation */
            pcibios_write_config_dword(pci_bus, pci_device_fn,
                                       PCI_BASE_ADDRESS_1, (u_int) - 1);
            /* Move up by 0x80 byte */
            pci_ioaddr1 += 0x80;
            pci_ioaddr1 &= PCI_BASE_ADDRESS_IO_MASK;
            pcibios_write_config_dword(pci_bus, pci_device_fn,
                                       PCI_BASE_ADDRESS_1, pci_ioaddr1);
            get_pcibase(dev_a8, 1) = pci_ioaddr1;
        }
#endif /* End HACK */
    }
    if (!pci_irq) {		/* IRQ range check ?? */
        printk(KERN_WARNING "HiSax: %s (%s): No IRQ\n",
               CardType[card->typ],
               sct_quadro_subtypes[cs->subtyp]);
        return (0);
    }
    pcibios_read_config_dword(pci_bus, pci_device_fn, PCI_BASE_ADDRESS_1, &pci_ioaddr1);
    pcibios_read_config_dword(pci_bus, pci_device_fn, PCI_BASE_ADDRESS_2, &pci_ioaddr2);
    pcibios_read_config_dword(pci_bus, pci_device_fn, PCI_BASE_ADDRESS_3, &pci_ioaddr3);
    pcibios_read_config_dword(pci_bus, pci_device_fn, PCI_BASE_ADDRESS_4, &pci_ioaddr4);
    pcibios_read_config_dword(pci_bus, pci_device_fn, PCI_BASE_ADDRESS_5, &pci_ioaddr5);
    if (!pci_ioaddr1 || !pci_ioaddr2 || !pci_ioaddr3 || !pci_ioaddr4 || !pci_ioaddr5) {
        printk(KERN_WARNING "HiSax: %s (%s): No IO base address(es)\n",
               CardType[card->typ],
               sct_quadro_subtypes[cs->subtyp]);
        return (0);
    }
    pci_ioaddr1 &= PCI_BASE_ADDRESS_IO_MASK;
    pci_ioaddr2 &= PCI_BASE_ADDRESS_IO_MASK;
    pci_ioaddr3 &= PCI_BASE_ADDRESS_IO_MASK;
    pci_ioaddr4 &= PCI_BASE_ADDRESS_IO_MASK;
    pci_ioaddr5 &= PCI_BASE_ADDRESS_IO_MASK;
    /* Take over */
    cs->irq = pci_irq;
//.........这里部分代码省略.........

static int __devinit
rio_probe1 (struct pci_dev *pdev, const struct pci_device_id *ent)
{
	struct net_device *dev;
	struct netdev_private *np;
	static int card_idx;
	int chip_idx = ent->driver_data;
	int err, irq;
	long ioaddr;
	static int version_printed;
	void *ring_space;
	dma_addr_t ring_dma;

	if (!version_printed++)
		printk ("%s", version);

	err = pci_enable_device (pdev);
	if (err)
		return err;

	irq = pdev->irq;
	err = pci_request_regions (pdev, "dl2k");
	if (err)
		goto err_out_disable;

	pci_set_master (pdev);
	dev = alloc_etherdev (sizeof (*np));
	if (!dev) {
		err = -ENOMEM;
		goto err_out_res;
	}
	SET_NETDEV_DEV(dev, &pdev->dev);

#ifdef MEM_MAPPING
	ioaddr = pci_resource_start (pdev, 1);
	ioaddr = (long) ioremap (ioaddr, RIO_IO_SIZE);
	if (!ioaddr) {
		err = -ENOMEM;
		goto err_out_dev;
	}
#else
	ioaddr = pci_resource_start (pdev, 0);
#endif
	dev->base_addr = ioaddr;
	dev->irq = irq;
	np = netdev_priv(dev);
	np->chip_id = chip_idx;
	np->pdev = pdev;
	spin_lock_init (&np->tx_lock);
	spin_lock_init (&np->rx_lock);

	/* Parse manual configuration */
	np->an_enable = 1;
	np->tx_coalesce = 1;
	if (card_idx < MAX_UNITS) {
		if (media[card_idx] != NULL) {
			np->an_enable = 0;
			if (strcmp (media[card_idx], "auto") == 0 ||
			    strcmp (media[card_idx], "autosense") == 0 ||
			    strcmp (media[card_idx], "0") == 0 ) {
				np->an_enable = 2;
			} else if (strcmp (media[card_idx], "100mbps_fd") == 0 ||
			    strcmp (media[card_idx], "4") == 0) {
				np->speed = 100;
				np->full_duplex = 1;
			} else if (strcmp (media[card_idx], "100mbps_hd") == 0 ||
				   strcmp (media[card_idx], "3") == 0) {
				np->speed = 100;
				np->full_duplex = 0;
			} else if (strcmp (media[card_idx], "10mbps_fd") == 0 ||
				   strcmp (media[card_idx], "2") == 0) {
				np->speed = 10;
				np->full_duplex = 1;
			} else if (strcmp (media[card_idx], "10mbps_hd") == 0 ||
				   strcmp (media[card_idx], "1") == 0) {
				np->speed = 10;
				np->full_duplex = 0;
			} else if (strcmp (media[card_idx], "1000mbps_fd") == 0 ||
				 strcmp (media[card_idx], "6") == 0) {
				np->speed=1000;
				np->full_duplex=1;
			} else if (strcmp (media[card_idx], "1000mbps_hd") == 0 ||
				 strcmp (media[card_idx], "5") == 0) {
				np->speed = 1000;
				np->full_duplex = 0;
			} else {
				np->an_enable = 1;
			}
		}
		if (jumbo[card_idx] != 0) {
			np->jumbo = 1;
			dev->mtu = MAX_JUMBO;
		} else {
			np->jumbo = 0;
			if (mtu[card_idx] > 0 && mtu[card_idx] < PACKET_SIZE)
				dev->mtu = mtu[card_idx];
		}
		np->vlan = (vlan[card_idx] > 0 && vlan[card_idx] < 4096) ?
		    vlan[card_idx] : 0;
		if (rx_coalesce > 0 && rx_timeout > 0) {
//.........这里部分代码省略.........