static void
ida_v2_int_enable(struct ida_softc *ida, int enable)
{
if (enable)
ida->flags |= IDA_INTERRUPTS;
else
ida->flags &= ~IDA_INTERRUPTS;
ida_outl(ida, R_INT_MASK, enable ? INT_ENABLE : INT_DISABLE);
}
static bus_addr_t
ida_v4_done(struct ida_softc *ida)
{
bus_addr_t completed;
completed = ida_inl(ida, R_42XX_REPLY);
if (completed == -1)
return (0); /* fifo is empty */
ida_outl(ida, R_42XX_REPLY, 0); /* confirm read */
return (completed);
}
static void
ida_v1_submit(struct ida_softc *ida, struct ida_qcb *qcb)
{
u_int16_t size;
/*
* On these cards, this location is actually for control flags.
* Set them to zero and pass in structure size via an I/O port.
*/
size = qcb->hwqcb->hdr.size << 2;
qcb->hwqcb->hdr.size = 0;
ida_outb(ida, R_EISA_SYSTEM_DOORBELL, EISA_CHANNEL_CLEAR);
ida_outl(ida, R_EISA_LIST_ADDR, qcb->hwqcb_busaddr);
ida_outw(ida, R_EISA_LIST_LEN, size);
ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_BUSY);
}
static void
ida_v2_submit(struct ida_softc *ida, struct ida_qcb *qcb)
{
ida_outl(ida, R_CMD_FIFO, qcb->hwqcb_busaddr);
}
static void
ida_v4_submit(struct ida_softc *ida, struct ida_qcb *qcb)
{
ida_outl(ida, R_42XX_REQUEST, qcb->hwqcb_busaddr);
}