473 lines
13 KiB
C
473 lines
13 KiB
C
#define WLAN_HOSTIF WLAN_PLX
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#include "hfa384x.c"
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#include "prism2mgmt.c"
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#include "prism2mib.c"
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#include "prism2sta.c"
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#define PLX_ATTR_SIZE 0x1000 /* Attribute memory size - 4K bytes */
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#define COR_OFFSET 0x3e0 /* COR attribute offset of Prism2 PC card */
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#define COR_VALUE 0x41 /* Enable PC card with irq in level trigger */
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#define PLX_INTCSR 0x4c /* Interrupt Control and Status Register */
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#define PLX_INTCSR_INTEN (1<<6) /* Interrupt Enable bit */
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#define PLX_MIN_ATTR_LEN 512 /* at least 2 x 256 is needed for CIS */
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/* 3Com 3CRW777A (PLX) board ID */
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#define PCIVENDOR_3COM 0x10B7
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#define PCIDEVICE_AIRCONNECT 0x7770
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/* Eumitcom PCI WL11000 PCI Adapter (PLX) board device+vendor ID */
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#define PCIVENDOR_EUMITCOM 0x1638UL
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#define PCIDEVICE_WL11000 0x1100UL
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/* Global Sun Tech GL24110P PCI Adapter (PLX) board device+vendor ID */
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#define PCIVENDOR_GLOBALSUN 0x16abUL
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#define PCIDEVICE_GL24110P 0x1101UL
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#define PCIDEVICE_GL24110P_ALT 0x1102UL
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/* Netgear MA301 PCI Adapter (PLX) board device+vendor ID */
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#define PCIVENDOR_NETGEAR 0x1385UL
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#define PCIDEVICE_MA301 0x4100UL
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/* US Robotics USR2410 PCI Adapter (PLX) board device+vendor ID */
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#define PCIVENDOR_USROBOTICS 0x16ecUL
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#define PCIDEVICE_USR2410 0x3685UL
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/* Linksys WPC11 card with the WDT11 adapter (PLX) board device+vendor ID */
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#define PCIVENDOR_Linksys 0x16abUL
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#define PCIDEVICE_Wpc11Wdt11 0x1102UL
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/* National Datacomm Corp SOHOware Netblaster II PCI */
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#define PCIVENDOR_NDC 0x15e8UL
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#define PCIDEVICE_NCP130_PLX 0x0130UL
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#define PCIDEVICE_NCP130_ASIC 0x0131UL
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/* NDC NCP130_PLX is also sold by Corega. Their name is CGWLPCIA11 */
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#define PCIVENDOR_COREGA PCIVENDOR_NDC
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#define PCIDEVICE_CGWLPCIA11 PCIDEVICE_NCP130_PLX
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/* PCI Class & Sub-Class code, Network-'Other controller' */
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#define PCI_CLASS_NETWORK_OTHERS 0x280
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/*----------------------------------------------------------------
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* prism2sta_probe_plx
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*
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* Probe routine called when a PCI device w/ matching ID is found.
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* This PLX implementation uses the following map:
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* BAR0: Unused
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* BAR1: ????
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* BAR2: PCMCIA attribute memory
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* BAR3: PCMCIA i/o space
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* Here's the sequence:
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* - Allocate the PCI resources.
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* - Read the PCMCIA attribute memory to make sure we have a WLAN card
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* - Reset the MAC using the PCMCIA COR
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* - Initialize the netdev and wlan data
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* - Initialize the MAC
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*
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* Arguments:
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* pdev ptr to pci device structure containing info about
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* pci configuration.
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* id ptr to the device id entry that matched this device.
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*
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* Returns:
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* zero - success
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* negative - failed
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*
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* Side effects:
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*
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*
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* Call context:
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* process thread
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*
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----------------------------------------------------------------*/
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static int __devinit
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prism2sta_probe_plx(
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struct pci_dev *pdev,
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const struct pci_device_id *id)
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{
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int result;
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phys_t pccard_ioaddr;
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phys_t pccard_attr_mem;
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unsigned int pccard_attr_len;
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void __iomem *attr_mem = NULL;
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UINT32 plx_addr;
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wlandevice_t *wlandev = NULL;
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hfa384x_t *hw = NULL;
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int reg;
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u32 regic;
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if (pci_enable_device(pdev))
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return -EIO;
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/* TMC7160 boards are special */
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if ((pdev->vendor == PCIVENDOR_NDC) &&
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(pdev->device == PCIDEVICE_NCP130_ASIC)) {
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unsigned long delay;
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pccard_attr_mem = 0;
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pccard_ioaddr = pci_resource_start(pdev, 1);
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outb(0x45, pccard_ioaddr);
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delay = jiffies + 1*HZ;
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while (time_before(jiffies, delay));
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if (inb(pccard_ioaddr) != 0x45) {
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WLAN_LOG_ERROR("Initialize the TMC7160 failed. (0x%x)\n", inb(pccard_ioaddr));
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return -EIO;
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}
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pccard_ioaddr = pci_resource_start(pdev, 2);
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prism2_doreset = 0;
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WLAN_LOG_INFO("NDC NCP130 with TMC716(ASIC) PCI interface device found at io:0x%x, irq:%d\n", pccard_ioaddr, pdev->irq);
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goto init;
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}
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/* Collect the resource requirements */
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pccard_attr_mem = pci_resource_start(pdev, 2);
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pccard_attr_len = pci_resource_len(pdev, 2);
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if (pccard_attr_len < PLX_MIN_ATTR_LEN)
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return -EIO;
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pccard_ioaddr = pci_resource_start(pdev, 3);
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/* bjoern: We need to tell the card to enable interrupts, in
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* case the serial eprom didn't do this already. See the
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* PLX9052 data book, p8-1 and 8-24 for reference.
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* [MSM]: This bit of code came from the orinoco_cs driver.
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*/
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plx_addr = pci_resource_start(pdev, 1);
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regic = 0;
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regic = inl(plx_addr+PLX_INTCSR);
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if(regic & PLX_INTCSR_INTEN) {
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WLAN_LOG_DEBUG(1,
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"%s: Local Interrupt already enabled\n", dev_info);
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} else {
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regic |= PLX_INTCSR_INTEN;
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outl(regic, plx_addr+PLX_INTCSR);
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regic = inl(plx_addr+PLX_INTCSR);
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if(!(regic & PLX_INTCSR_INTEN)) {
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WLAN_LOG_ERROR(
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"%s: Couldn't enable Local Interrupts\n",
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dev_info);
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return -EIO;
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}
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}
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/* These assignments are here in case of future mappings for
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* io space and irq that might be similar to ioremap
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*/
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if (!request_mem_region(pccard_attr_mem, pci_resource_len(pdev, 2), "Prism2")) {
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WLAN_LOG_ERROR("%s: Couldn't reserve PCI memory region\n", dev_info);
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return -EIO;
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}
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attr_mem = ioremap(pccard_attr_mem, pccard_attr_len);
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WLAN_LOG_INFO("A PLX PCI/PCMCIA interface device found, "
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"phymem:0x%llx, phyio=0x%x, irq:%d, "
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"mem: 0x%lx\n",
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(unsigned long long)pccard_attr_mem, pccard_ioaddr, pdev->irq,
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(unsigned long)attr_mem);
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/* Verify whether PC card is present.
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* [MSM] This needs improvement, the right thing to do is
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* probably to walk the CIS looking for the vendor and product
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* IDs. It would be nice if this could be tied in with the
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* etc/pcmcia/wlan-ng.conf file. Any volunteers? ;-)
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*/
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if (
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readb(attr_mem + 0) != 0x01 || readb(attr_mem + 2) != 0x03 ||
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readb(attr_mem + 4) != 0x00 || readb(attr_mem + 6) != 0x00 ||
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readb(attr_mem + 8) != 0xFF || readb(attr_mem + 10) != 0x17 ||
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readb(attr_mem + 12) != 0x04 || readb(attr_mem + 14) != 0x67) {
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WLAN_LOG_ERROR("Prism2 PC card CIS is invalid.\n");
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return -EIO;
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}
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WLAN_LOG_INFO("A PCMCIA WLAN adapter was found.\n");
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/* Write COR to enable PC card */
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writeb(COR_VALUE, attr_mem + COR_OFFSET);
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reg = readb(attr_mem + COR_OFFSET);
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init:
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/*
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* Now do everything the same as a PCI device
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* [MSM] TODO: We could probably factor this out of pcmcia/pci/plx
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* and perhaps usb. Perhaps a task for another day.......
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*/
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if ((wlandev = create_wlan()) == NULL) {
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WLAN_LOG_ERROR("%s: Memory allocation failure.\n", dev_info);
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result = -EIO;
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goto failed;
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}
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hw = wlandev->priv;
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if ( wlan_setup(wlandev) != 0 ) {
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WLAN_LOG_ERROR("%s: wlan_setup() failed.\n", dev_info);
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result = -EIO;
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goto failed;
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}
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/* Setup netdevice's ability to report resources
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* Note: the netdevice was allocated by wlan_setup()
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*/
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wlandev->netdev->irq = pdev->irq;
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wlandev->netdev->base_addr = pccard_ioaddr;
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wlandev->netdev->mem_start = (unsigned long)attr_mem;
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wlandev->netdev->mem_end = (unsigned long)attr_mem + pci_resource_len(pdev, 0);
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/* Initialize the hw data */
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hfa384x_create(hw, wlandev->netdev->irq, pccard_ioaddr, attr_mem);
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hw->wlandev = wlandev;
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/* Register the wlandev, this gets us a name and registers the
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* linux netdevice.
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*/
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SET_MODULE_OWNER(wlandev->netdev);
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#if (LINUX_VERSION_CODE >= KERNEL_VERSION(2,6,0))
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SET_NETDEV_DEV(wlandev->netdev, &(pdev->dev));
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#endif
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if ( register_wlandev(wlandev) != 0 ) {
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WLAN_LOG_ERROR("%s: register_wlandev() failed.\n", dev_info);
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result = -EIO;
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goto failed;
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}
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#if 0
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/* TODO: Move this and an irq test into an hfa384x_testif() routine.
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*/
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outw(PRISM2STA_MAGIC, HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
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reg=inw( HFA384x_SWSUPPORT(wlandev->netdev->base_addr));
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if ( reg != PRISM2STA_MAGIC ) {
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WLAN_LOG_ERROR("MAC register access test failed!\n");
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result = -EIO;
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goto failed;
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}
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#endif
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/* Do a chip-level reset on the MAC */
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if (prism2_doreset) {
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result = hfa384x_corereset(hw,
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prism2_reset_holdtime,
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prism2_reset_settletime, 0);
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if (result != 0) {
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unregister_wlandev(wlandev);
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hfa384x_destroy(hw);
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WLAN_LOG_ERROR(
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"%s: hfa384x_corereset() failed.\n",
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dev_info);
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result = -EIO;
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goto failed;
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}
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}
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pci_set_drvdata(pdev, wlandev);
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/* Shouldn't actually hook up the IRQ until we
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* _know_ things are alright. A test routine would help.
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*/
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request_irq(wlandev->netdev->irq, hfa384x_interrupt,
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SA_SHIRQ, wlandev->name, wlandev);
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wlandev->msdstate = WLAN_MSD_HWPRESENT;
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result = 0;
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goto done;
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failed:
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pci_set_drvdata(pdev, NULL);
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if (wlandev) kfree(wlandev);
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if (hw) kfree(hw);
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if (attr_mem) iounmap(attr_mem);
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pci_release_regions(pdev);
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pci_disable_device(pdev);
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done:
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DBFEXIT;
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return result;
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}
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static void __devexit prism2sta_remove_plx(struct pci_dev *pdev)
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{
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wlandevice_t *wlandev;
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hfa384x_t *hw;
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wlandev = (wlandevice_t *) pci_get_drvdata(pdev);
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hw = wlandev->priv;
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p80211netdev_hwremoved(wlandev);
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/* reset hardware */
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prism2sta_ifstate(wlandev, P80211ENUM_ifstate_disable);
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if (pdev->irq)
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free_irq(pdev->irq, wlandev);
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unregister_wlandev(wlandev);
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/* free local stuff */
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if (hw) {
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hfa384x_destroy(hw);
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kfree(hw);
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}
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iounmap((void __iomem *)wlandev->netdev->mem_start);
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wlan_unsetup(wlandev);
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pci_release_regions(pdev);
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pci_disable_device(pdev);
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pci_set_drvdata(pdev, NULL);
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kfree(wlandev);
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}
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static struct pci_device_id plx_id_tbl[] = {
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{
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PCIVENDOR_EUMITCOM, PCIDEVICE_WL11000,
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PCI_ANY_ID, PCI_ANY_ID,
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0, 0,
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/* Driver data, we just put the name here */
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(unsigned long)"Eumitcom WL11000 PCI(PLX) card"
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},
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{
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PCIVENDOR_GLOBALSUN, PCIDEVICE_GL24110P,
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PCI_ANY_ID, PCI_ANY_ID,
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0, 0,
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/* Driver data, we just put the name here */
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(unsigned long)"Global Sun Tech GL24110P PCI(PLX) card"
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},
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{
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PCIVENDOR_GLOBALSUN, PCIDEVICE_GL24110P_ALT,
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PCI_ANY_ID, PCI_ANY_ID,
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0, 0,
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/* Driver data, we just put the name here */
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(unsigned long)"Global Sun Tech GL24110P PCI(PLX) card"
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},
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{
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PCIVENDOR_NETGEAR, PCIDEVICE_MA301,
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PCI_ANY_ID, PCI_ANY_ID,
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0, 0,
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/* Driver data, we just put the name here */
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(unsigned long)"Global Sun Tech GL24110P PCI(PLX) card"
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},
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{
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PCIVENDOR_USROBOTICS, PCIDEVICE_USR2410,
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PCI_ANY_ID, PCI_ANY_ID,
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0, 0,
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/* Driver data, we just put the name here */
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(unsigned long)"US Robotics USR2410 PCI(PLX) card"
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},
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{
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PCIVENDOR_Linksys, PCIDEVICE_Wpc11Wdt11,
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PCI_ANY_ID, PCI_ANY_ID,
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0, 0,
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/* Driver data, we just put the name here */
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(unsigned long)"Linksys WPC11 with WDT11 PCI(PLX) adapter"
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},
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{
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PCIVENDOR_NDC, PCIDEVICE_NCP130_PLX,
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PCI_ANY_ID, PCI_ANY_ID,
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0, 0,
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/* Driver data, we just put the name here */
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(unsigned long)"NDC Netblaster II PCI(PLX)"
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},
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{
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PCIVENDOR_NDC, PCIDEVICE_NCP130_ASIC,
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PCI_ANY_ID, PCI_ANY_ID,
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0, 0,
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/* Driver data, we just put the name here */
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(unsigned long)"NDC Netblaster II PCI(TMC7160)"
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},
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{
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PCIVENDOR_3COM, PCIDEVICE_AIRCONNECT,
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PCI_ANY_ID, PCI_ANY_ID,
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0, 0,
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/* Driver data, we just put the name here */
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(unsigned long)"3Com AirConnect PCI 802.11b 11Mb/s WLAN Controller"
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},
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{
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0, 0, 0, 0, 0, 0, 0
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}
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};
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MODULE_DEVICE_TABLE(pci, plx_id_tbl);
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/* Function declared here because of ptr reference below */
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static int __devinit prism2sta_probe_plx(struct pci_dev *pdev,
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const struct pci_device_id *);
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static void __devexit prism2sta_remove_plx(struct pci_dev *pdev);
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static struct pci_driver prism2_plx_drv_id = {
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.name = "prism2_plx",
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.id_table = plx_id_tbl,
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.probe = prism2sta_probe_plx,
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.remove = prism2sta_remove_plx,
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#ifdef CONFIG_PM
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.suspend = prism2sta_suspend_pci,
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.resume = prism2sta_resume_pci,
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#endif
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};
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#ifdef MODULE
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static int __init prism2plx_init(void)
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{
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WLAN_LOG_NOTICE("%s Loaded\n", version);
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return pci_module_init(&prism2_plx_drv_id);
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};
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static void __exit prism2plx_cleanup(void)
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{
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pci_unregister_driver(&prism2_plx_drv_id);
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};
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module_init(prism2plx_init);
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module_exit(prism2plx_cleanup);
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#endif // MODULE
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int hfa384x_corereset(hfa384x_t *hw, int holdtime, int settletime, int genesis)
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{
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int result = 0;
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#define COR_OFFSET 0x3e0 /* COR attribute offset of Prism2 PC card */
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#define COR_VALUE 0x41 /* Enable PC card with irq in level trigger */
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#define HCR_OFFSET 0x3e2 /* HCR attribute offset of Prism2 PC card */
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UINT8 corsave;
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DBFENTER;
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WLAN_LOG_DEBUG(3, "Doing reset via direct COR access.\n");
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/* Collect COR */
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corsave = readb(hw->membase + COR_OFFSET);
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/* Write reset bit (BIT7) */
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writeb(corsave | BIT7, hw->membase + COR_OFFSET);
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/* Hold for holdtime */
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mdelay(holdtime);
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if (genesis) {
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writeb(genesis, hw->membase + HCR_OFFSET);
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/* Hold for holdtime */
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mdelay(holdtime);
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}
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/* Clear reset bit */
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writeb(corsave & ~BIT7, hw->membase + COR_OFFSET);
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/* Wait for settletime */
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mdelay(settletime);
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/* Set non-reset bits back what they were */
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writeb(corsave, hw->membase + COR_OFFSET);
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DBFEXIT;
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return result;
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}
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