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 inline void rx_maybe_restart(struct sgiseeq_private *sp,
struct hpc3_ethregs *hregs,
struct sgiseeq_regs *sregs)
{
if (!(hregs->rx_ctrl & HPC3_ERXCTRL_ACTIVE)) {
hregs->rx_ndptr = VIRT_TO_DMA(sp, sp->rx_desc + sp->rx_new);
seeq_go(sp, hregs, sregs);
}
}
static inline void rx_maybe_restart(struct sgiseeq_private *sp,
volatile struct hpc3_ethregs *hregs,
volatile struct sgiseeq_regs *sregs)
{
if (!(hregs->rx_ctrl & HPC3_ERXCTRL_ACTIVE)) {
hregs->rx_ndptr = PHYSADDR(&sp->srings.rx_desc[sp->rx_new]);
seeq_go(sp, hregs, sregs);
}
}
