C++ pnp_activate_dev函数代码示例

static int ni_isapnp_find_board(struct pnp_dev **dev)
{
	struct pnp_dev *isapnp_dev = NULL;
	int i;

	for (i = 0; i < ARRAY_SIZE(ni_boards); i++) {
		isapnp_dev = pnp_find_dev(NULL,
					  ISAPNP_VENDOR('N', 'I', 'C'),
					  ISAPNP_FUNCTION(ni_boards[i].
							  isapnp_id), NULL);

		if (!isapnp_dev || !isapnp_dev->card)
			continue;

		if (pnp_device_attach(isapnp_dev) < 0)
			continue;

		if (pnp_activate_dev(isapnp_dev) < 0) {
			pnp_device_detach(isapnp_dev);
			return -EAGAIN;
		}

		if (!pnp_port_valid(isapnp_dev, 0) ||
		    !pnp_irq_valid(isapnp_dev, 0)) {
			pnp_device_detach(isapnp_dev);
			return -ENOMEM;
		}
		break;
	}
	if (i == ARRAY_SIZE(ni_boards))
		return -ENODEV;
	*dev = isapnp_dev;
	return 0;
}

static int __init isapnp_fmi_probe(void)
{
	int i = 0;

	while (id_table[i].card_vendor != 0 && dev == NULL) {
		dev = pnp_find_dev(NULL, id_table[i].vendor,
				   id_table[i].function, NULL);
		i++;
	}

	if (!dev)
		return -ENODEV;
	if (pnp_device_attach(dev) < 0)
		return -EAGAIN;
	if (pnp_activate_dev(dev) < 0) {
		printk(KERN_ERR "radio-sf16fmi: PnP configure failed (out of resources?)\n");
		pnp_device_detach(dev);
		return -ENOMEM;
	}
	if (!pnp_port_valid(dev, 0)) {
		pnp_device_detach(dev);
		return -ENODEV;
	}

	i = pnp_port_start(dev, 0);
	printk(KERN_INFO "radio-sf16fmi: PnP reports card at %#x\n", i);

	return i;
}

int __init
setup_asuscom(struct IsdnCard *card)
{
	char tmp[64];

	strcpy(tmp, Asuscom_revision);
	printk(KERN_INFO "HiSax: Asuscom ISDNLink driver Rev. %s\n", HiSax_getrev(tmp));
#ifdef __ISAPNP__
	if (!card->para[1] && isapnp_present()) {
		struct pnp_card *pb;
		struct pnp_dev *pd;

		while(adev->card_vendor) {
			if ((pb = pnp_find_card(adev->card_vendor,
						adev->card_device,
						pnp_c))) {
				pnp_c = pb;
				pd = NULL;
				if ((pd = pnp_find_dev(pnp_c,
						       adev->vendor,
						       adev->function,
						       pd))) {
					printk(KERN_INFO "HiSax: %s detected\n",
						(char *)adev->driver_data);
					if (pnp_device_attach(pd) < 0) {
						printk(KERN_ERR "AsusPnP: attach failed\n");
						return 0;
					}
					if (pnp_activate_dev(pd) < 0) {
						printk(KERN_ERR "AsusPnP: activate failed\n");
						pnp_device_detach(pd);
						return 0;
					}
					if (!pnp_irq_valid(pd, 0) || !pnp_port_valid(pd, 0)) {
						printk(KERN_ERR "AsusPnP:some resources are missing %ld/%lx\n",
							pnp_irq(pd, 0), pnp_port_start(pd, 0));
						pnp_device_detach(pd);
						return(0);
					}
					card->para[1] = pnp_port_start(pd, 0);
					card->para[0] = pnp_irq(pd, 0);
					break;
				} else {
					printk(KERN_ERR "AsusPnP: PnP error card found, no device\n");
				}
			}
			adev++;
			pnp_c=NULL;
		} 
		if (!adev->card_vendor) {
			printk(KERN_INFO "AsusPnP: no ISAPnP card found\n");
			return(0);
		}
	}
#endif
	if (asuscom_probe(card->cs, card) < 0)
		return 0;
	return 1;
}

static int __devinit
setup_sedlbauer_isapnp(struct IsdnCard *card, int *bytecnt)
{
	struct IsdnCardState *cs = card->cs;
	struct pnp_dev *pnp_d;

	if (!isapnp_present())
		return -1;

	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",
						__func__, 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;
				}

				return (1);
			} else {
				printk(KERN_ERR "Sedlbauer PnP: PnP error card found, no device\n");
				return(0);
			}
		}
		ipid++;
		pnp_c = NULL;
	} 

	printk(KERN_INFO "Sedlbauer PnP: no ISAPnP card found\n");
	return -1;
}

static int snd_card_ad1816a_pnp(int dev, struct pnp_card_link *card,
				const struct pnp_card_device_id *id)
{
	struct pnp_dev *pdev;
	int err;

	pdev = pnp_request_card_device(card, id->devs[0].id, NULL);
	if (pdev == NULL)
		return -EBUSY;

	err = pnp_activate_dev(pdev);
	if (err < 0) {
		printk(KERN_ERR PFX "AUDIO PnP configure failure\n");
		return -EBUSY;
	}

	port[dev] = pnp_port_start(pdev, 2);
	fm_port[dev] = pnp_port_start(pdev, 1);
	dma1[dev] = pnp_dma(pdev, 0);
	dma2[dev] = pnp_dma(pdev, 1);
	irq[dev] = pnp_irq(pdev, 0);

	pdev = pnp_request_card_device(card, id->devs[1].id, NULL);
	if (pdev == NULL) {
		mpu_port[dev] = -1;
		snd_printk(KERN_WARNING PFX "MPU401 device busy, skipping.\n");
		return 0;
	}

	err = pnp_activate_dev(pdev);
	if (err < 0) {
		printk(KERN_ERR PFX "MPU401 PnP configure failure\n");
		mpu_port[dev] = -1;
	} else {
		mpu_port[dev] = pnp_port_start(pdev, 0);
		mpu_irq[dev] = pnp_irq(pdev, 0);
	}

	return 0;
}

static int generic_NCR5380_pnp_probe(struct pnp_dev *pdev,
			       const struct pnp_device_id *id)
{
	int base, irq;

	if (pnp_activate_dev(pdev) < 0)
		return -EBUSY;

	base = pnp_port_start(pdev, 0);
	irq = pnp_irq(pdev, 0);

	return generic_NCR5380_init_one(&driver_template, &pdev->dev, base, irq,
				       id->driver_data);
}

static int pnp_device_probe(struct device *dev)
{
	int error;
	struct pnp_driver *pnp_drv;
	struct pnp_dev *pnp_dev;
	const struct pnp_device_id *dev_id = NULL;
	pnp_dev = to_pnp_dev(dev);
	pnp_drv = to_pnp_driver(dev->driver);

	pnp_dbg("match found with the PnP device '%s' and the driver '%s'",
		dev->bus_id, pnp_drv->name);

	error = pnp_device_attach(pnp_dev);
	if (error < 0)
		return error;

	if (pnp_dev->active == 0) {
		if (!(pnp_drv->flags & PNP_DRIVER_RES_DO_NOT_CHANGE)) {
			error = pnp_activate_dev(pnp_dev);
			if (error < 0)
				return error;
		}
	} else if ((pnp_drv->flags & PNP_DRIVER_RES_DISABLE)
		   == PNP_DRIVER_RES_DISABLE) {
		error = pnp_disable_dev(pnp_dev);
		if (error < 0)
			return error;
	}
	error = 0;
	if (pnp_drv->probe) {
		dev_id = match_device(pnp_drv, pnp_dev);
		if (dev_id != NULL)
			error = pnp_drv->probe(pnp_dev, dev_id);
	}
	if (error >= 0) {
		pnp_dev->driver = pnp_drv;
		error = 0;
	} else
		goto fail;
	return error;

fail:
	pnp_device_detach(pnp_dev);
	return error;
}

static int __devinit fcpnp_probe(struct pnp_dev *pdev, const struct pnp_device_id *dev_id)
{
	struct fritz_adapter *adapter;
	int retval;

	if (!pdev)
		return(-ENODEV);

	retval = -ENOMEM;
	adapter = new_adapter();
	if (!adapter)
		goto err;

	pnp_set_drvdata(pdev, adapter);

	adapter->type = AVM_FRITZ_PNP;

	pnp_disable_dev(pdev);
	retval = pnp_activate_dev(pdev);
	if (retval < 0) {
		printk(KERN_WARNING "%s: pnp_activate_dev(%s) ret(%d)\n", __func__,
			(char *)dev_id->driver_data, retval);
		goto err_free;
	}
	adapter->io = pnp_port_start(pdev, 0);
	adapter->irq = pnp_irq(pdev, 0);

	printk(KERN_INFO "hisax_fcpcipnp: found adapter %s at IO %#x irq %d\n",
	       (char *) dev_id->driver_data, adapter->io, adapter->irq);

	retval = fcpcipnp_setup(adapter);
	if (retval)
		goto err_free;

	return 0;
	
 err_free:
	delete_adapter(adapter);
 err:
	return retval;
}

static int ni_isapnp_find_board(struct pnp_dev **dev)
{
	struct pnp_dev *isapnp_dev = NULL;
	int i;

	for (i = 0; i < n_ni_boards; i++) {
		isapnp_dev = pnp_find_dev(NULL,
					  ISAPNP_VENDOR('N', 'I', 'C'),
					  ISAPNP_FUNCTION(ni_boards[i].
							  isapnp_id), NULL);

		if (isapnp_dev == NULL || isapnp_dev->card == NULL)
			continue;

		if (pnp_device_attach(isapnp_dev) < 0) {
			printk
			 ("ni_atmio: %s found but already active, skipping.\n",
			  ni_boards[i].name);
			continue;
		}
		if (pnp_activate_dev(isapnp_dev) < 0) {
			pnp_device_detach(isapnp_dev);
			return -EAGAIN;
		}
		if (!pnp_port_valid(isapnp_dev, 0)
		    || !pnp_irq_valid(isapnp_dev, 0)) {
			pnp_device_detach(isapnp_dev);
			printk("ni_atmio: pnp invalid port or irq, aborting\n");
			return -ENOMEM;
		}
		break;
	}
	if (i == n_ni_boards)
		return -ENODEV;
	*dev = isapnp_dev;
	return 0;
}

static int __devinit snd_card_es968_pnp(struct snd_card *card, unsigned int n,
					struct pnp_card_link *pcard,
					const struct pnp_card_device_id *pid)
{
	struct snd_es1688 *chip = card->private_data;
	struct pnp_dev *pdev;
	int error;

	pdev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
	if (pdev == NULL)
		return -ENODEV;

	error = pnp_activate_dev(pdev);
	if (error < 0) {
		snd_printk(KERN_ERR "ES968 pnp configure failure\n");
		return error;
	}
	port[n] = pnp_port_start(pdev, 0);
	dma8[n] = pnp_dma(pdev, 0);
	irq[n] = pnp_irq(pdev, 0);

	return snd_es1688_create(card, chip, port[n], mpu_port[n], irq[n],
				 mpu_irq[n], dma8[n], ES1688_HW_AUTO);
}

int __devinit
setup_isurf(struct IsdnCard *card)
{
	int ver;
	struct IsdnCardState *cs = card->cs;
	char tmp[64];

	strcpy(tmp, ISurf_revision);
	printk(KERN_INFO "HiSax: ISurf driver Rev. %s\n", HiSax_getrev(tmp));
	
 	if (cs->typ != ISDN_CTYPE_ISURF)
 		return(0);
	if (card->para[1] && card->para[2]) {
		cs->hw.isurf.reset = card->para[1];
		cs->hw.isurf.phymem = card->para[2];
		cs->irq = card->para[0];
	} else {
#ifdef __ISAPNP__
		if (isapnp_present()) {
			struct pnp_dev *pnp_d = NULL;
			int err;

			cs->subtyp = 0;
			if ((pnp_c = pnp_find_card(
				ISAPNP_VENDOR('S', 'I', 'E'),
				ISAPNP_FUNCTION(0x0010), pnp_c))) {
				if (!(pnp_d = pnp_find_dev(pnp_c,
					ISAPNP_VENDOR('S', 'I', 'E'),
					ISAPNP_FUNCTION(0x0010), pnp_d))) {
					printk(KERN_ERR "ISurfPnP: PnP error card found, no device\n");
					return (0);
				}
				pnp_disable_dev(pnp_d);
				err = pnp_activate_dev(pnp_d);
				cs->hw.isurf.reset = pnp_port_start(pnp_d, 0);
				cs->hw.isurf.phymem = pnp_mem_start(pnp_d, 1);
				cs->irq = pnp_irq(pnp_d, 0);
				if (!cs->irq || !cs->hw.isurf.reset || !cs->hw.isurf.phymem) {
					printk(KERN_ERR "ISurfPnP:some resources are missing %d/%x/%lx\n",
						cs->irq, cs->hw.isurf.reset, cs->hw.isurf.phymem);
					pnp_disable_dev(pnp_d);
					return(0);
				}
			} else {
				printk(KERN_INFO "ISurfPnP: no ISAPnP card found\n");
				return(0);
			}
		} else {
			printk(KERN_INFO "ISurfPnP: no ISAPnP bus found\n");
			return(0);
		}
#else
		printk(KERN_WARNING "HiSax: Siemens I-Surf port/mem not set\n");
		return (0);
#endif
	}
	if (!request_region(cs->hw.isurf.reset, 1, "isurf isdn")) {
		printk(KERN_WARNING
			"HiSax: Siemens I-Surf config port %x already in use\n",
			cs->hw.isurf.reset);
			return (0);
	}
	if (!request_region(cs->hw.isurf.phymem, ISURF_IOMEM_SIZE, "isurf iomem")) {
		printk(KERN_WARNING "HiSax: Siemens I-Surf memory region "
			"%lx-%lx already in use\n",
			cs->hw.isurf.phymem,
			cs->hw.isurf.phymem + ISURF_IOMEM_SIZE);
		release_region(cs->hw.isurf.reset, 1);
		return (0);
	}
	cs->hw.isurf.isar = ioremap(cs->hw.isurf.phymem, ISURF_IOMEM_SIZE);
	cs->hw.isurf.isac = cs->hw.isurf.isar + ISURF_ISAC_OFFSET;
	printk(KERN_INFO
	       "ISurf: defined at 0x%x 0x%lx IRQ %d\n",
	       cs->hw.isurf.reset,
	       cs->hw.isurf.phymem,
	       cs->irq);

	setup_isac(cs);
	cs->cardmsg = &ISurf_card_msg;
	cs->irq_func = &isurf_interrupt;
	cs->auxcmd = &isurf_auxcmd;
	cs->readisac = &ReadISAC;
	cs->writeisac = &WriteISAC;
	cs->readisacfifo = &ReadISACfifo;
	cs->writeisacfifo = &WriteISACfifo;
	cs->bcs[0].hw.isar.reg = &cs->hw.isurf.isar_r;
	cs->bcs[1].hw.isar.reg = &cs->hw.isurf.isar_r;
	test_and_set_bit(HW_ISAR, &cs->HW_Flags);
	ISACVersion(cs, "ISurf:");
	cs->BC_Read_Reg = &ReadISAR;
	cs->BC_Write_Reg = &WriteISAR;
	cs->BC_Send_Data = &isar_fill_fifo;
	ver = ISARVersion(cs, "ISurf:");
	if (ver < 0) {
		printk(KERN_WARNING
			"ISurf: wrong ISAR version (ret = %d)\n", ver);
		release_io_isurf(cs);
		return (0);
	}
//.........这里部分代码省略.........

static int
sb1000_probe_one(struct pnp_dev *pdev, const struct pnp_device_id *id)
{
	struct net_device *dev;
	unsigned short ioaddr[2], irq;
	unsigned int serial_number;
	int error = -ENODEV;

	if (pnp_device_attach(pdev) < 0)
		return -ENODEV;
	if (pnp_activate_dev(pdev) < 0)
		goto out_detach;

	if (!pnp_port_valid(pdev, 0) || !pnp_port_valid(pdev, 1))
		goto out_disable;
	if (!pnp_irq_valid(pdev, 0))
		goto out_disable;

	serial_number = pdev->card->serial;

	ioaddr[0] = pnp_port_start(pdev, 0);
	ioaddr[1] = pnp_port_start(pdev, 0);

	irq = pnp_irq(pdev, 0);

	if (!request_region(ioaddr[0], 16, "sb1000"))
		goto out_disable;
	if (!request_region(ioaddr[1], 16, "sb1000"))
		goto out_release_region0;

	dev = alloc_etherdev(sizeof(struct sb1000_private));
	if (!dev) {
		error = -ENOMEM;
		goto out_release_regions;
	}


	dev->base_addr = ioaddr[0];
	/* mem_start holds the second I/O address */
	dev->mem_start = ioaddr[1];
	dev->irq = irq;

	if (sb1000_debug > 0)
		printk(KERN_NOTICE "%s: sb1000 at (%#3.3lx,%#3.3lx), "
			"S/N %#8.8x, IRQ %d.\n", dev->name, dev->base_addr,
			dev->mem_start, serial_number, dev->irq);

	/*
	 * The SB1000 is an rx-only cable modem device.  The uplink is a modem
	 * and we do not want to arp on it.
	 */
	dev->flags = IFF_POINTOPOINT|IFF_NOARP;

	SET_NETDEV_DEV(dev, &pdev->dev);

	if (sb1000_debug > 0)
		printk(KERN_NOTICE "%s", version);

	dev->netdev_ops	= &sb1000_netdev_ops;

	/* hardware address is 0:0:serial_number */
	dev->dev_addr[2]	= serial_number >> 24 & 0xff;
	dev->dev_addr[3]	= serial_number >> 16 & 0xff;
	dev->dev_addr[4]	= serial_number >>  8 & 0xff;
	dev->dev_addr[5]	= serial_number >>  0 & 0xff;

	pnp_set_drvdata(pdev, dev);

	error = register_netdev(dev);
	if (error)
		goto out_free_netdev;
	return 0;

 out_free_netdev:
	free_netdev(dev);
 out_release_regions:
	release_region(ioaddr[1], 16);
 out_release_region0:
	release_region(ioaddr[0], 16);
 out_disable:
	pnp_disable_dev(pdev);
 out_detach:
	pnp_device_detach(pdev);
	return error;
}

static int
snd_wavefront_pnp (int dev, snd_wavefront_card_t *acard, struct pnp_card_link *card,
		   const struct pnp_card_device_id *id)
{
	struct pnp_dev *pdev;
	int err;

	/* Check for each logical device. */

	/* CS4232 chip (aka "windows sound system") is logical device 0 */

	acard->wss = pnp_request_card_device(card, id->devs[0].id, NULL);
	if (acard->wss == NULL)
		return -EBUSY;

	/* there is a game port at logical device 1, but we ignore it completely */

	/* the control interface is logical device 2, but we ignore it
	   completely. in fact, nobody even seems to know what it
	   does.
	*/

	/* Only configure the CS4232 MIDI interface if its been
	   specifically requested. It is logical device 3.
	*/

	if (use_cs4232_midi[dev]) {
		acard->mpu = pnp_request_card_device(card, id->devs[2].id, NULL);
		if (acard->mpu == NULL)
			return -EBUSY;
	}

	/* The ICS2115 synth is logical device 4 */

	acard->synth = pnp_request_card_device(card, id->devs[3].id, NULL);
	if (acard->synth == NULL)
		return -EBUSY;

	/* PCM/FM initialization */

	pdev = acard->wss;

	/* An interesting note from the Tropez+ FAQ:

	   Q. [Ports] Why is the base address of the WSS I/O ports off by 4?

	   A. WSS I/O requires a block of 8 I/O addresses ("ports"). Of these, the first
	   4 are used to identify and configure the board. With the advent of PnP,
	   these first 4 addresses have become obsolete, and software applications
	   only use the last 4 addresses to control the codec chip. Therefore, the
	   base address setting "skips past" the 4 unused addresses.

	*/

	err = pnp_activate_dev(pdev);
	if (err < 0) {
		snd_printk(KERN_ERR "PnP WSS pnp configure failure\n");
		return err;
	}

	cs4232_pcm_port[dev] = pnp_port_start(pdev, 0);
	fm_port[dev] = pnp_port_start(pdev, 1);
	dma1[dev] = pnp_dma(pdev, 0);
	dma2[dev] = pnp_dma(pdev, 1);
	cs4232_pcm_irq[dev] = pnp_irq(pdev, 0);

	/* Synth initialization */

	pdev = acard->synth;
	
	err = pnp_activate_dev(pdev);
	if (err < 0) {
		snd_printk(KERN_ERR "PnP ICS2115 pnp configure failure\n");
		return err;
	}

	ics2115_port[dev] = pnp_port_start(pdev, 0);
	ics2115_irq[dev] = pnp_irq(pdev, 0);

	/* CS4232 MPU initialization. Configure this only if
	   explicitly requested, since its physically inaccessible and
	   consumes another IRQ.
	*/

	if (use_cs4232_midi[dev]) {

		pdev = acard->mpu;

		err = pnp_activate_dev(pdev);
		if (err < 0) {
			snd_printk(KERN_ERR "PnP MPU401 pnp configure failure\n");
			cs4232_mpu_port[dev] = SNDRV_AUTO_PORT;
		} else {
			cs4232_mpu_port[dev] = pnp_port_start(pdev, 0);
			cs4232_mpu_irq[dev] = pnp_irq(pdev, 0);
		}

		snd_printk (KERN_INFO "CS4232 MPU: port=0x%lx, irq=%i\n", 
			    cs4232_mpu_port[dev], 
			    cs4232_mpu_irq[dev]);
//.........这里部分代码省略.........

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

	strcpy(tmp, niccy_revision);
	printk(KERN_INFO "HiSax: Niccy driver Rev. %s\n", HiSax_getrev(tmp));
	if (cs->typ != ISDN_CTYPE_NICCY)
		return (0);
#ifdef __ISAPNP__
	if (!card->para[1] && isapnp_present()) {
		struct pnp_dev *pnp_d = NULL;
		int err;

		if ((pnp_c = pnp_find_card(
			ISAPNP_VENDOR('S', 'D', 'A'),
			ISAPNP_FUNCTION(0x0150), pnp_c))) {
			if (!(pnp_d = pnp_find_dev(pnp_c,
				ISAPNP_VENDOR('S', 'D', 'A'),
				ISAPNP_FUNCTION(0x0150), pnp_d))) {
				printk(KERN_ERR "NiccyPnP: PnP error card found, no device\n");
				return (0);
			}
			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[2] = pnp_port_start(pnp_d, 1);
			card->para[0] = pnp_irq(pnp_d, 0);
			if (!card->para[0] || !card->para[1] || !card->para[2]) {
				printk(KERN_ERR "NiccyPnP:some resources are missing %ld/%lx/%lx\n",
					card->para[0], card->para[1], card->para[2]);
				pnp_disable_dev(pnp_d);
				return(0);
			}
		} else {
			printk(KERN_INFO "NiccyPnP: no ISAPnP card found\n");
		}
	}
#endif
	if (card->para[1]) {
		cs->hw.niccy.isac = card->para[1] + ISAC_PNP;
		cs->hw.niccy.hscx = card->para[1] + HSCX_PNP;
		cs->hw.niccy.isac_ale = card->para[2] + ISAC_PNP;
		cs->hw.niccy.hscx_ale = card->para[2] + HSCX_PNP;
		cs->hw.niccy.cfg_reg = 0;
		cs->subtyp = NICCY_PNP;
		cs->irq = card->para[0];
		if (!request_region(cs->hw.niccy.isac, 2, "niccy data")) {
			printk(KERN_WARNING
				"HiSax: %s data port %x-%x already in use\n",
				CardType[card->typ],
				cs->hw.niccy.isac,
				cs->hw.niccy.isac + 1);
			return (0);
		}
		if (!request_region(cs->hw.niccy.isac_ale, 2, "niccy addr")) {
			printk(KERN_WARNING
				"HiSax: %s address port %x-%x already in use\n",
				CardType[card->typ],
				cs->hw.niccy.isac_ale,
				cs->hw.niccy.isac_ale + 1);
			release_region(cs->hw.niccy.isac, 2);
			return (0);
		}
	} else {
#ifdef CONFIG_PCI
		u_int pci_ioaddr;
		cs->subtyp = 0;
		if ((niccy_dev = pci_find_device(PCI_VENDOR_ID_SATSAGEM,
			PCI_DEVICE_ID_SATSAGEM_NICCY, niccy_dev))) {
			if (pci_enable_device(niccy_dev))
				return(0);
			/* get IRQ */
			if (!niccy_dev->irq) {
				printk(KERN_WARNING "Niccy: No IRQ for PCI card found\n");
				return(0);
			}
			cs->irq = niccy_dev->irq;
			cs->hw.niccy.cfg_reg = pci_resource_start(niccy_dev, 0);
			if (!cs->hw.niccy.cfg_reg) {
				printk(KERN_WARNING "Niccy: No IO-Adr for PCI cfg found\n");
				return(0);
			}
			pci_ioaddr = pci_resource_start(niccy_dev, 1);
			if (!pci_ioaddr) {
				printk(KERN_WARNING "Niccy: No IO-Adr for PCI card found\n");
				return(0);
			}
			cs->subtyp = NICCY_PCI;
		} else {
			printk(KERN_WARNING "Niccy: No PCI card found\n");
			return(0);
		}
		cs->irq_flags |= SA_SHIRQ;
//.........这里部分代码省略.........

static int __devinit sscape_pnp_detect(struct pnp_card_link *pcard,
				       const struct pnp_card_device_id *pid)
{
	static int idx = 0;
	struct pnp_dev *dev;
	struct snd_card *card;
	int ret;

	/*
	 * Allow this function to fail *quietly* if all the ISA PnP
	 * devices were configured using module parameters instead.
	 */
	if ((idx = get_next_autoindex(idx)) >= SNDRV_CARDS)
		return -ENOSPC;

	/*
	 * We have found a candidate ISA PnP card. Now we
	 * have to check that it has the devices that we
	 * expect it to have.
	 *
	 * We will NOT try and autoconfigure all of the resources
	 * needed and then activate the card as we are assuming that
	 * has already been done at boot-time using /proc/isapnp.
	 * We shall simply try to give each active card the resources
	 * that it wants. This is a sensible strategy for a modular
	 * system where unused modules are unloaded regularly.
	 *
	 * This strategy is utterly useless if we compile the driver
	 * into the kernel, of course.
	 */
	// printk(KERN_INFO "sscape: %s\n", card->name);

	/*
	 * Check that we still have room for another sound card ...
	 */
	dev = pnp_request_card_device(pcard, pid->devs[0].id, NULL);
	if (! dev)
		return -ENODEV;

	if (!pnp_is_active(dev)) {
		if (pnp_activate_dev(dev) < 0) {
			printk(KERN_INFO "sscape: device is inactive\n");
			return -EBUSY;
		}
	}

	/*
	 * Read the correct parameters off the ISA PnP bus ...
	 */
	port[idx] = pnp_port_start(dev, 0);
	irq[idx] = pnp_irq(dev, 0);
	mpu_irq[idx] = pnp_irq(dev, 1);
	dma[idx] = pnp_dma(dev, 0) & 0x03;

	ret = create_sscape(idx, &card);
	if (ret < 0)
		return ret;
	snd_card_set_dev(card, &pcard->card->dev);
	if ((ret = snd_card_register(card)) < 0) {
		printk(KERN_ERR "sscape: Failed to register sound card\n");
		snd_card_free(card);
		return ret;
	}

	pnp_set_card_drvdata(pcard, card);
	++idx;

	return ret;
}