static int init_seeq(struct net_device *dev, struct sgiseeq_private *sp,
struct sgiseeq_regs *sregs)
{
struct hpc3_ethregs *hregs = sp->hregs;
int err;
reset_hpc3_and_seeq(hregs, sregs);
err = seeq_init_ring(dev);
if (err)
return err;
/* Setup to field the proper interrupt types. */
if (sp->is_edlc) {
sregs->tstat = TSTAT_INIT_EDLC;
sregs->rw.wregs.control = sp->control;
sregs->rw.wregs.frame_gap = 0;
} else {
sregs->tstat = TSTAT_INIT_SEEQ;
}
hregs->rx_ndptr = VIRT_TO_DMA(sp, sp->rx_desc);
hregs->tx_ndptr = VIRT_TO_DMA(sp, sp->tx_desc);
seeq_go(sp, hregs, sregs);
return 0;
}
static int init_seeq(struct net_device *dev, struct sgiseeq_private *sp,
volatile struct sgiseeq_regs *sregs)
{
volatile struct hpc3_ethregs *hregs = sp->hregs;
int err;
reset_hpc3_and_seeq(hregs, sregs);
err = seeq_init_ring(dev);
if (err)
return err;
/* Setup to field the proper interrupt types. */
if (sp->is_edlc) {
sregs->tstat = (TSTAT_INIT_EDLC);
sregs->rw.wregs.control = sp->control;
sregs->rw.wregs.frame_gap = 0;
} else {
sregs->tstat = (TSTAT_INIT_SEEQ);
}
hregs->rx_dconfig |= RDMACFG_INIT;
hregs->rx_ndptr = PHYSADDR(&sp->srings.rx_desc[0]);
hregs->tx_ndptr = PHYSADDR(&sp->srings.tx_desc[0]);
seeq_go(sp, hregs, sregs);
return 0;
}
static int sgiseeq_close(struct net_device *dev)
{
struct sgiseeq_private *sp = netdev_priv(dev);
struct sgiseeq_regs *sregs = sp->sregs;
unsigned int irq = dev->irq;
netif_stop_queue(dev);
/* Shutdown the Seeq. */
reset_hpc3_and_seeq(sp->hregs, sregs);
free_irq(irq, dev);
seeq_purge_ring(dev);
return 0;
}
