static bus_addr_t
ida_v3_done(struct ida_softc *ida)
{
bus_addr_t completed;
completed = ida_inl(ida, R_DONE_FIFO);
if (completed == -1) {
return (0); /* fifo is empty */
}
return (completed);
}
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_timeout(void *arg)
{
struct ida_softc *ida;
ida = (struct ida_softc *)arg;
device_printf(ida->dev, "%s() qactive %d\n", __func__, ida->qactive);
if (ida->flags & IDA_INTERRUPTS)
device_printf(ida->dev, "IDA_INTERRUPTS\n");
device_printf(ida->dev, "\t R_CMD_FIFO: %08x\n"
"\t R_DONE_FIFO: %08x\n"
"\t R_INT_MASK: %08x\n"
"\t R_STATUS: %08x\n"
"\tR_INT_PENDING: %08x\n",
ida_inl(ida, R_CMD_FIFO),
ida_inl(ida, R_DONE_FIFO),
ida_inl(ida, R_INT_MASK),
ida_inl(ida, R_STATUS),
ida_inl(ida, R_INT_PENDING));
return;
}
static bus_addr_t
ida_v1_done(struct ida_softc *ida)
{
struct ida_hardware_qcb *hwqcb;
bus_addr_t completed;
u_int8_t status;
if ((ida_inb(ida, R_EISA_SYSTEM_DOORBELL) & EISA_CHANNEL_BUSY) == 0)
return (0);
ida_outb(ida, R_EISA_SYSTEM_DOORBELL, EISA_CHANNEL_BUSY);
completed = ida_inl(ida, R_EISA_COMPLETE_ADDR);
status = ida_inb(ida, R_EISA_LIST_STATUS);
ida_outb(ida, R_EISA_LOCAL_DOORBELL, EISA_CHANNEL_CLEAR);
if (completed != 0) {
hwqcb = (struct ida_hardware_qcb *)
((bus_addr_t)ida->hwqcbs +
((completed & ~3) - ida->hwqcb_busaddr));
hwqcb->req.error = status;
}
return (completed);
}
static int
ida_v2_int_pending(struct ida_softc *ida)
{
return (ida_inl(ida, R_INT_PENDING));
}
static bus_addr_t
ida_v2_done(struct ida_softc *ida)
{
return (ida_inl(ida, R_DONE_FIFO));
}
static int
ida_v2_fifo_full(struct ida_softc *ida)
{
return (ida_inl(ida, R_CMD_FIFO) == 0);
}
static int
ida_v4_fifo_full(struct ida_softc *ida)
{
return (ida_inl(ida, R_42XX_REQUEST) != 0);
}
static int
ida_v4_int_pending(struct ida_softc *ida)
{
return (ida_inl(ida, R_42XX_STATUS) & STATUS_42XX_INT_PENDING);
}
