2000-06-26 08:59:15 +00:00
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/* $Id$
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*
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* This file is (c) under GNU PUBLIC LICENSE
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*
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*/
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2000-06-16 13:06:08 +00:00
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#define __NO_VERSION__
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#include <linux/config.h>
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#include "hisax.h"
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#include "icc.h"
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#include "isdnl1.h"
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#include <linux/pci.h>
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#ifndef COMPAT_HAS_NEW_PCI
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#include <linux/bios32.h>
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#endif
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#include <linux/interrupt.h>
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#include <linux/ppp_defs.h>
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#include "netjet.h"
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const char *NETjet_U_revision = "$Revision$";
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static u_char dummyrr(struct IsdnCardState *cs, int chan, u_char off)
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{
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return(5);
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}
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static void dummywr(struct IsdnCardState *cs, int chan, u_char off, u_char value)
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{
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}
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static void
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netjet_u_interrupt(int intno, void *dev_id, struct pt_regs *regs)
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{
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struct IsdnCardState *cs = dev_id;
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u_char val, sval;
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long flags;
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if (!cs) {
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printk(KERN_WARNING "NETjet-U: Spurious interrupt!\n");
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return;
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}
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if (!((sval = bytein(cs->hw.njet.base + NETJET_IRQSTAT1)) &
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NETJET_ISACIRQ)) {
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val = NETjet_ReadIC(cs, ICC_ISTA);
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if (cs->debug & L1_DEB_ISAC)
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debugl1(cs, "tiger: i1 %x %x", sval, val);
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if (val) {
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icc_interrupt(cs, val);
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NETjet_WriteIC(cs, ICC_MASK, 0xFF);
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NETjet_WriteIC(cs, ICC_MASK, 0x0);
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}
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}
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save_flags(flags);
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cli();
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if ((sval = bytein(cs->hw.njet.base + NETJET_IRQSTAT0))) {
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if (test_and_set_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags)) {
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restore_flags(flags);
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return;
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}
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cs->hw.njet.irqstat0 = sval;
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restore_flags(flags);
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/* debugl1(cs, "tiger: ist0 %x %x %x %x/%x pulse=%d",
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sval,
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bytein(cs->hw.njet.base + NETJET_DMACTRL),
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bytein(cs->hw.njet.base + NETJET_IRQMASK0),
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inl(cs->hw.njet.base + NETJET_DMA_READ_ADR),
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inl(cs->hw.njet.base + NETJET_DMA_WRITE_ADR),
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bytein(cs->hw.njet.base + NETJET_PULSE_CNT));
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*/
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/* cs->hw.njet.irqmask0 = ((0x0f & cs->hw.njet.irqstat0) ^ 0x0f) | 0x30;
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*/ byteout(cs->hw.njet.base + NETJET_IRQSTAT0, cs->hw.njet.irqstat0);
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/* byteout(cs->hw.njet.base + NETJET_IRQMASK0, cs->hw.njet.irqmask0);
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*/ if (cs->hw.njet.irqstat0 & NETJET_IRQM0_READ)
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read_tiger(cs);
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if (cs->hw.njet.irqstat0 & NETJET_IRQM0_WRITE)
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write_tiger(cs);
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test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
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} else
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restore_flags(flags);
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/* if (!testcnt--) {
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cs->hw.njet.dmactrl = 0;
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byteout(cs->hw.njet.base + NETJET_DMACTRL,
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cs->hw.njet.dmactrl);
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byteout(cs->hw.njet.base + NETJET_IRQMASK0, 0);
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}
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*/
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}
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static void
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reset_netjet_u(struct IsdnCardState *cs)
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{
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long flags;
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save_flags(flags);
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sti();
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cs->hw.njet.ctrl_reg = 0xff; /* Reset On */
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byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout((10*HZ)/1000); /* Timeout 10ms */
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cs->hw.njet.ctrl_reg = 0x00; /* Reset Off and status read clear */
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byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout((10*HZ)/1000); /* Timeout 10ms */
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restore_flags(flags);
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cs->hw.njet.auxd = 0xC0;
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cs->hw.njet.dmactrl = 0;
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byteout(cs->hw.njet.auxa, 0);
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byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
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byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
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byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
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}
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static int
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NETjet_U_card_msg(struct IsdnCardState *cs, int mt, void *arg)
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{
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switch (mt) {
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case CARD_RESET:
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reset_netjet_u(cs);
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return(0);
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case CARD_RELEASE:
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release_io_netjet(cs);
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return(0);
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case CARD_INIT:
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inittiger(cs);
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clear_pending_icc_ints(cs);
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initicc(cs);
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/* Reenable all IRQ */
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cs->writeisac(cs, ICC_MASK, 0);
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return(0);
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case CARD_TEST:
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return(0);
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}
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return(0);
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}
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#ifdef COMPAT_HAS_NEW_PCI
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static struct pci_dev *dev_netjet __initdata = NULL;
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#else
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static int pci_index __initdata = 0;
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#endif
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__initfunc(int
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setup_netjet_u(struct IsdnCard *card))
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{
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int bytecnt;
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struct IsdnCardState *cs = card->cs;
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char tmp[64];
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long flags;
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#if CONFIG_PCI
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#ifndef COMPAT_HAS_NEW_PCI
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u_char pci_bus, pci_device_fn, pci_irq;
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u_int pci_ioaddr, found;
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#endif
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2000-06-18 16:15:56 +00:00
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#endif
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#ifdef __BIG_ENDIAN
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#error "not running on big endian machines now"
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2000-06-16 13:06:08 +00:00
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#endif
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strcpy(tmp, NETjet_U_revision);
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printk(KERN_INFO "HiSax: Traverse Tech. NETjet-U driver Rev. %s\n", HiSax_getrev(tmp));
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if (cs->typ != ISDN_CTYPE_NETJET_U)
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return(0);
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test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
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for ( ;; )
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{
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#if CONFIG_PCI
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#ifdef COMPAT_HAS_NEW_PCI
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if (!pci_present()) {
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printk(KERN_ERR "Netjet: no PCI bus present\n");
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return(0);
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}
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2000-06-18 16:15:56 +00:00
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if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
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PCI_DEVICE_ID_TIGERJET_300, dev_netjet))) {
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if (pci_enable_device(dev_netjet))
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return(0);
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2000-06-16 13:06:08 +00:00
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cs->irq = dev_netjet->irq;
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if (!cs->irq) {
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printk(KERN_WARNING "NETjet-U: No IRQ for PCI card found\n");
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return(0);
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}
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2000-06-18 16:15:56 +00:00
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cs->hw.njet.base = pci_resource_start_io(dev_netjet, 0);
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2000-06-16 13:06:08 +00:00
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if (!cs->hw.njet.base) {
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printk(KERN_WARNING "NETjet-U: No IO-Adr for PCI card found\n");
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return(0);
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}
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} else {
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printk(KERN_WARNING "NETjet-U: No PCI card found\n");
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return(0);
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}
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#else
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found = 0;
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for (; pci_index < 0xff; pci_index++) {
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if (pcibios_find_device(PCI_VENDOR_TRAVERSE_TECH,
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PCI_NETJET_ID, pci_index, &pci_bus, &pci_device_fn)
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== PCIBIOS_SUCCESSFUL)
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found = 1;
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else
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continue;
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/* get IRQ */
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pcibios_read_config_byte(pci_bus, pci_device_fn,
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PCI_INTERRUPT_LINE, &pci_irq);
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/* get IO address */
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pcibios_read_config_dword(pci_bus, pci_device_fn,
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PCI_BASE_ADDRESS_0, &pci_ioaddr);
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if (found)
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break;
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}
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if (!found) {
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printk(KERN_WARNING "NETjet-U: No PCI card found\n");
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return(0);
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}
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pci_index++;
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if (!pci_irq) {
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printk(KERN_WARNING "NETjet-U: No IRQ for PCI card found\n");
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return(0);
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}
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if (!pci_ioaddr) {
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printk(KERN_WARNING "NETjet-U: No IO-Adr for PCI card found\n");
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return(0);
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}
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cs->hw.njet.base = pci_ioaddr & PCI_BASE_ADDRESS_IO_MASK;
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cs->irq = pci_irq;
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#endif /* COMPAT_HAS_NEW_PCI */
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cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
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cs->hw.njet.isac = cs->hw.njet.base | NETJET_ISAC_OFF;
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save_flags(flags);
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sti();
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cs->hw.njet.ctrl_reg = 0xff; /* Reset On */
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byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout((10*HZ)/1000); /* Timeout 10ms */
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cs->hw.njet.ctrl_reg = 0x00; /* Reset Off and status read clear */
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byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
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set_current_state(TASK_UNINTERRUPTIBLE);
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schedule_timeout((10*HZ)/1000); /* Timeout 10ms */
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restore_flags(flags);
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cs->hw.njet.auxd = 0xC0;
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cs->hw.njet.dmactrl = 0;
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byteout(cs->hw.njet.auxa, 0);
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byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
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byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
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byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
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switch ( ( ( NETjet_ReadIC( cs, ICC_RBCH ) >> 5 ) & 3 ) )
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{
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case 3 :
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break;
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case 0 :
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printk( KERN_WARNING "NETspider-U: NETjet-S PCI card found\n" );
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continue;
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default :
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printk( KERN_WARNING "NETspider-U: No PCI card found\n" );
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return 0;
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}
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break;
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}
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#else
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printk(KERN_WARNING "NETjet-U: NO_PCI_BIOS\n");
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printk(KERN_WARNING "NETjet-U: unable to config NETJET-U PCI\n");
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return (0);
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#endif /* CONFIG_PCI */
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bytecnt = 256;
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printk(KERN_INFO
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"NETjet-U: PCI card configured at 0x%x IRQ %d\n",
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cs->hw.njet.base, cs->irq);
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if (check_region(cs->hw.njet.base, bytecnt)) {
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printk(KERN_WARNING
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"HiSax: %s config port %x-%x already in use\n",
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CardType[card->typ],
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cs->hw.njet.base,
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cs->hw.njet.base + bytecnt);
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return (0);
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} else {
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request_region(cs->hw.njet.base, bytecnt, "netjet-u isdn");
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}
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reset_netjet_u(cs);
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cs->readisac = &NETjet_ReadIC;
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cs->writeisac = &NETjet_WriteIC;
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cs->readisacfifo = &NETjet_ReadICfifo;
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cs->writeisacfifo = &NETjet_WriteICfifo;
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cs->BC_Read_Reg = &dummyrr;
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cs->BC_Write_Reg = &dummywr;
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cs->BC_Send_Data = &netjet_fill_dma;
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cs->cardmsg = &NETjet_U_card_msg;
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cs->irq_func = &netjet_u_interrupt;
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cs->irq_flags |= SA_SHIRQ;
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ICCVersion(cs, "NETjet-U:");
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return (1);
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}
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