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[ISDN] HiSax netjet_u: split setup into 3 smaller functions

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No behavior changes, just code movement.  Prep for PCI hotplug API.

Signed-off-by: Jeff Garzik <jeff@garzik.org>
This commit is contained in:
Jeff Garzik 2007-07-15 16:59:01 -04:00
parent 0566a66382
commit 7c60e1caa5
1 changed files with 100 additions and 81 deletions
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181
drivers/isdn/hisax/nj_u.c
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@ -128,93 +128,69 @@ NETjet_U_card_msg(struct IsdnCardState *cs, int mt, void *arg)
return(0);
}
static struct pci_dev *dev_netjet __devinitdata = NULL;
int __devinit
setup_netjet_u(struct IsdnCard *card)
static int __devinit nju_pci_probe(struct pci_dev *dev_netjet,
struct IsdnCardState *cs)
{
int bytecnt;
struct IsdnCardState *cs = card->cs;
char tmp[64];
#ifdef CONFIG_PCI
#endif
#ifdef __BIG_ENDIAN
#error "not running on big endian machines now"
#endif
strcpy(tmp, NETjet_U_revision);
printk(KERN_INFO "HiSax: Traverse Tech. NETspider-U driver Rev. %s\n", HiSax_getrev(tmp));
if (cs->typ != ISDN_CTYPE_NETJET_U)
if (pci_enable_device(dev_netjet))
return(0);
pci_set_master(dev_netjet);
cs->irq = dev_netjet->irq;
if (!cs->irq) {
printk(KERN_WARNING "NETspider-U: No IRQ for PCI card found\n");
return(0);
}
cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
if (!cs->hw.njet.base) {
printk(KERN_WARNING "NETspider-U: No IO-Adr for PCI card found\n");
return(0);
test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
#ifdef CONFIG_PCI
for ( ;; )
{
if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
PCI_DEVICE_ID_TIGERJET_300, dev_netjet))) {
if (pci_enable_device(dev_netjet))
return(0);
pci_set_master(dev_netjet);
cs->irq = dev_netjet->irq;
if (!cs->irq) {
printk(KERN_WARNING "NETspider-U: No IRQ for PCI card found\n");
return(0);
}
cs->hw.njet.base = pci_resource_start(dev_netjet, 0);
if (!cs->hw.njet.base) {
printk(KERN_WARNING "NETspider-U: No IO-Adr for PCI card found\n");
return(0);
}
} else {
printk(KERN_WARNING "NETspider-U: No PCI card found\n");
return(0);
}
cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
cs->hw.njet.isac = cs->hw.njet.base | NETJET_ISAC_OFF;
mdelay(10);
cs->hw.njet.ctrl_reg = 0xff; /* Reset On */
byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
mdelay(10);
cs->hw.njet.ctrl_reg = 0x00; /* Reset Off and status read clear */
byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
mdelay(10);
cs->hw.njet.auxd = 0xC0;
cs->hw.njet.dmactrl = 0;
byteout(cs->hw.njet.auxa, 0);
byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
switch ( ( ( NETjet_ReadIC( cs, ICC_RBCH ) >> 5 ) & 3 ) )
{
case 3 :
break;
case 0 :
printk( KERN_WARNING "NETspider-U: NETjet-S PCI card found\n" );
continue;
default :
printk( KERN_WARNING "NETspider-U: No PCI card found\n" );
return 0;
}
break;
}
#else
printk(KERN_WARNING "NETspider-U: NO_PCI_BIOS\n");
printk(KERN_WARNING "NETspider-U: unable to config NETspider-U PCI\n");
return (0);
return (1);
}
#endif /* CONFIG_PCI */
static int __devinit nju_cs_init(struct IsdnCard *card,
struct IsdnCardState *cs)
{
cs->hw.njet.auxa = cs->hw.njet.base + NETJET_AUXDATA;
cs->hw.njet.isac = cs->hw.njet.base | NETJET_ISAC_OFF;
mdelay(10);
bytecnt = 256;
cs->hw.njet.ctrl_reg = 0xff; /* Reset On */
byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
mdelay(10);
cs->hw.njet.ctrl_reg = 0x00; /* Reset Off and status read clear */
byteout(cs->hw.njet.base + NETJET_CTRL, cs->hw.njet.ctrl_reg);
mdelay(10);
cs->hw.njet.auxd = 0xC0;
cs->hw.njet.dmactrl = 0;
byteout(cs->hw.njet.auxa, 0);
byteout(cs->hw.njet.base + NETJET_AUXCTRL, ~NETJET_ISACIRQ);
byteout(cs->hw.njet.base + NETJET_IRQMASK1, NETJET_ISACIRQ);
byteout(cs->hw.njet.auxa, cs->hw.njet.auxd);
switch ( ( ( NETjet_ReadIC( cs, ICC_RBCH ) >> 5 ) & 3 ) )
{
case 3 :
return 1; /* end loop */
case 0 :
printk( KERN_WARNING "NETspider-U: NETjet-S PCI card found\n" );
return -1; /* continue looping */
default :
printk( KERN_WARNING "NETspider-U: No PCI card found\n" );
return 0; /* end loop & function */
}
return 1; /* end loop */
}
static int __devinit nju_cs_init_rest(struct IsdnCard *card,
struct IsdnCardState *cs)
{
const int bytecnt = 256;
printk(KERN_INFO
"NETspider-U: PCI card configured at %#lx IRQ %d\n",
@ -239,5 +215,48 @@ setup_netjet_u(struct IsdnCard *card)
cs->irq_func = &netjet_u_interrupt;
cs->irq_flags |= IRQF_SHARED;
ICCVersion(cs, "NETspider-U:");
return (1);
}
static struct pci_dev *dev_netjet __devinitdata = NULL;
int __devinit
setup_netjet_u(struct IsdnCard *card)
{
int ret;
struct IsdnCardState *cs = card->cs;
char tmp[64];
#ifdef __BIG_ENDIAN
#error "not running on big endian machines now"
#endif
strcpy(tmp, NETjet_U_revision);
printk(KERN_INFO "HiSax: Traverse Tech. NETspider-U driver Rev. %s\n", HiSax_getrev(tmp));
if (cs->typ != ISDN_CTYPE_NETJET_U)
return(0);
test_and_clear_bit(FLG_LOCK_ATOMIC, &cs->HW_Flags);
for ( ;; )
{
if ((dev_netjet = pci_find_device(PCI_VENDOR_ID_TIGERJET,
PCI_DEVICE_ID_TIGERJET_300, dev_netjet))) {
ret = nju_pci_probe(dev_netjet, cs);
if (!ret)
return(0);
} else {
printk(KERN_WARNING "NETspider-U: No PCI card found\n");
return(0);
}
ret = nju_cs_init(card, cs);
if (!ret)
return (0);
if (ret > 0)
break;
/* ret < 0 == continue looping */
}
return nju_cs_init_rest(card, cs);
}