static void ni52_interrupt(int irq,struct pt_regs *reg_ptr)
{
struct device *dev = (struct device *) irq2dev_map[irq];
unsigned short stat;
struct priv *p;
if (dev == NULL) {
printk ("ni52-interrupt: irq %d for unknown device.\n",(int) -(((struct pt_regs *)reg_ptr)->orig_eax+2));
return;
}
p = (struct priv *) dev->priv;
dev->interrupt = 1;
while((stat=p->scb->status & STAT_MASK))
{
p->scb->cmd = stat;
ni_attn586(); /* ack inter. */
if(stat & STAT_CX) /* command with I-bit set complete */
ni52_xmt_int(dev);
if(stat & STAT_FR) /* received a frame */
ni52_rcv_int(dev);
#ifndef NO_NOPCOMMANDS
if(stat & STAT_CNA) /* CU went 'not ready' */
{
if(dev->start)
printk("%s: oops! CU has left active state. stat: %04x/%04x.\n",dev->name,(int) stat,(int) p->scb->status);
}
#endif
if(stat & STAT_RNR) /* RU went 'not ready' */
{
if(p->scb->status & RU_SUSPEND) /* special case: RU_SUSPEND */
{
WAIT_4_SCB_CMD();
p->scb->cmd = RUC_RESUME;
ni_attn586();
}
else
{
printk("%s: Receiver-Unit went 'NOT READY': %04x/%04x.\n",dev->name,(int) stat,(int) p->scb->status);
ni52_rnr_int(dev);
}
}
WAIT_4_SCB_CMD(); /* wait for ack. (ni52_xmt_int can be faster than ack!!) */
if(p->scb->cmd) /* timed out? */
break;
}
dev->interrupt = 0;
}
static irqreturn_t ni52_interrupt(int irq,void *dev_id,struct pt_regs *reg_ptr)
{
struct net_device *dev = dev_id;
unsigned short stat;
int cnt=0;
struct priv *p;
if (!dev) {
printk ("ni5210-interrupt: irq %d for unknown device.\n",irq);
return IRQ_NONE;
}
p = (struct priv *) dev->priv;
if(debuglevel > 1)
printk("I");
WAIT_4_SCB_CMD(); /* wait for last command */
while((stat=p->scb->cus & STAT_MASK))
{
p->scb->cmd_cuc = stat;
ni_attn586();
if(stat & STAT_FR) /* received a frame */
ni52_rcv_int(dev);
if(stat & STAT_RNR) /* RU went 'not ready' */
{
printk("(R)");
if(p->scb->rus & RU_SUSPEND) /* special case: RU_SUSPEND */
{
WAIT_4_SCB_CMD();
p->scb->cmd_ruc = RUC_RESUME;
ni_attn586();
WAIT_4_SCB_CMD_RUC();
}
else
{
printk("%s: Receiver-Unit went 'NOT READY': %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->rus);
ni52_rnr_int(dev);
}
}
if(stat & STAT_CX) /* command with I-bit set complete */
ni52_xmt_int(dev);
#ifndef NO_NOPCOMMANDS
if(stat & STAT_CNA) /* CU went 'not ready' */
{
if(netif_running(dev))
printk("%s: oops! CU has left active state. stat: %04x/%02x.\n",dev->name,(int) stat,(int) p->scb->cus);
}
#endif
if(debuglevel > 1)
printk("%d",cnt++);
WAIT_4_SCB_CMD(); /* wait for ack. (ni52_xmt_int can be faster than ack!!) */
if(p->scb->cmd_cuc) /* timed out? */
{
printk("%s: Acknowledge timed out.\n",dev->name);
ni_disint();
break;
}
}
if(debuglevel > 1)
printk("i");
return IRQ_HANDLED;
}
static irqreturn_t ni52_interrupt(int irq, void *dev_id)
{
struct net_device *dev = dev_id;
unsigned int stat;
int cnt = 0;
struct priv *p;
p = netdev_priv(dev);
if (debuglevel > 1)
printk("I");
spin_lock(&p->spinlock);
wait_for_scb_cmd(dev); /* */
while ((stat = readb(&p->scb->cus) & STAT_MASK)) {
writeb(stat, &p->scb->cmd_cuc);
ni_attn586();
if (stat & STAT_FR) /* */
ni52_rcv_int(dev);
if (stat & STAT_RNR) { /* */
printk("(R)");
if (readb(&p->scb->rus) & RU_SUSPEND) {
/* */
wait_for_scb_cmd(dev);
writeb(RUC_RESUME, &p->scb->cmd_ruc);
ni_attn586();
wait_for_scb_cmd_ruc(dev);
} else {
printk(KERN_ERR "%s: Receiver-Unit went 'NOT READY': %04x/%02x.\n",
dev->name, stat, readb(&p->scb->rus));
ni52_rnr_int(dev);
}
}
/* */
if (stat & STAT_CX)
ni52_xmt_int(dev);
#ifndef NO_NOPCOMMANDS
if (stat & STAT_CNA) { /* */
if (netif_running(dev))
printk(KERN_ERR "%s: oops! CU has left active state. stat: %04x/%02x.\n",
dev->name, stat, readb(&p->scb->cus));
}
#endif
if (debuglevel > 1)
printk("%d", cnt++);
/* */
wait_for_scb_cmd(dev);
if (readb(&p->scb->cmd_cuc)) { /* */
printk(KERN_ERR "%s: Acknowledge timed out.\n",
dev->name);
ni_disint();
break;
}
}
spin_unlock(&p->spinlock);
if (debuglevel > 1)
printk("i");
return IRQ_HANDLED;
}
static void ni52_interrupt(int reg_ptr)
{
struct device *dev = (struct device *) irq2dev_map[-((struct pt_regs *)reg_ptr)->orig_eax-2];
unsigned short stat;
int pd = 0;
struct priv *p;
#ifdef DEBUG2
printk("(1)");
#endif
if (dev == NULL) {
printk ("ni52-interrupt: irq %d for unknown device.\n",(int) -(((struct pt_regs *)reg_ptr)->orig_eax+2));
return;
}
p = (struct priv *) dev->priv;
if(dev->interrupt)
{
printk("(ni52-I)");
return;
}
dev->interrupt = 1;
while((stat=p->scb->status & STAT_MASK))
{
p->scb->cmd = stat;
ni_attn586(); /* ack inter. */
if(pd)
printk("ni52-%04x/%04x-",(int) stat,(int) p->scb->status); /* debug */
if(stat & (STAT_FR | STAT_RNR))
ni52_rcv_int(dev);
if(stat & STAT_CX)
ni52_xmt_int(dev);
#ifndef NO_NOPCOMMANDS
if(stat & STAT_CNA)
#else
if( (stat & STAT_CNA) && !(stat & STAT_CX) )
#endif
printk("%s: oops! CU has left active state. stat: %04x/%04x.\n",dev->name,(int) stat,(int) p->scb->status);
if(stat & STAT_RNR)
{
printk("%s: rnr: %04x/%04x.\n",dev->name,(int) stat,(int) p->scb->status);
ni52_rnr_int(dev);
pd = 1; /* local debug on */
}
#ifdef DEBUG2
pd++;
#endif
while(p->scb->cmd)
{
int i; /* wait for ack. (ni52_xmt_int can be faster than ack!!) */
for(i=0;i<200;i++);
}
}
#ifdef DEBUG
{
static int old_ovr=0;
int l;
if((l = p->scb->ovrn_errs - old_ovr))
{
if(l > 0)
p->stats.rx_over_errors += l;
else
old_ovr=0;
}
}
#endif
#ifdef DEBUG2
printk("(2)");
#endif
dev->interrupt = 0;
}
