static int
w_write(Ctlr* ctlr, int type, int off, void* buf, ulong len)
{
int tries;
for (tries=0; tries < WTmOut; tries++) {
if(w_seek(ctlr, type, off, 0)) {
DEBUG("wavelan: w_write: seek failed\n");
return 0;
}
csr_outss(ctlr, WR_Data0, buf, len/2);
csr_outs(ctlr, WR_Data0, 0xdead);
csr_outs(ctlr, WR_Data0, 0xbeef);
if(w_seek(ctlr, type, off + len, 0)) {
DEBUG("wavelan: write seek failed\n");
return 0;
}
if(csr_ins(ctlr, WR_Data0) == 0xdead)
if(csr_ins(ctlr, WR_Data0) == 0xbeef)
return len;
DEBUG("wavelan: Hermes bug byte.\n");
return 0;
}
DEBUG("wavelan: tx timeout\n");
return 0;
}
static void
w_outltv(Ctlr* ctlr, Wltv* ltv)
{
if(w_seek(ctlr,ltv->type, 0, 1))
return;
csr_outss(ctlr, WR_Data1, ltv, ltv->len+1);
w_cmd(ctlr, WCmdAccWr, ltv->type);
}