static int
aic7770_eisa_dev_remove(struct device *dev)
{
struct ahc_softc *ahc;
u_long l;
/*
* We should be able to just perform
* the free directly, but check our
* list for extra sanity.
*/
ahc_list_lock(&l);
ahc = ahc_find_softc((struct ahc_softc *)dev->driver_data);
if (ahc != NULL) {
u_long s;
ahc_lock(ahc, &s);
ahc_intr_enable(ahc, FALSE);
ahc_unlock(ahc, &s);
ahc_free(ahc);
}
ahc_list_unlock(&l);
return (0);
}
int
aic7770_config(struct ahc_softc *ahc, struct aic7770_identity *entry, u_int io)
{
u_long l;
u_long s;
int error;
int have_seeprom;
u_int hostconf;
u_int irq;
u_int intdef;
error = entry->setup(ahc);
have_seeprom = 0;
if (error != 0)
return (error);
error = aic7770_map_registers(ahc, io);
if (error != 0)
return (error);
/*
* Before we continue probing the card, ensure that
* its interrupts are *disabled*. We don't want
* a misstep to hang the machine in an interrupt
* storm.
*/
ahc_intr_enable(ahc, FALSE);
ahc->description = entry->name;
error = ahc_softc_init(ahc);
error = ahc_reset(ahc);
if (error != 0)
return (error);
/* Make sure we have a valid interrupt vector */
intdef = ahc_inb(ahc, INTDEF);
irq = intdef & VECTOR;
switch (irq) {
case 9:
case 10:
case 11:
case 12:
case 14:
case 15:
break;
default:
printf("aic7770_config: illegal irq setting %d\n", intdef);
return (ENXIO);
}
if ((intdef & EDGE_TRIG) != 0)
ahc->flags |= AHC_EDGE_INTERRUPT;
switch (ahc->chip & (AHC_EISA|AHC_VL)) {
case AHC_EISA:
{
u_int biosctrl;
u_int scsiconf;
u_int scsiconf1;
biosctrl = ahc_inb(ahc, HA_274_BIOSCTRL);
scsiconf = ahc_inb(ahc, SCSICONF);
scsiconf1 = ahc_inb(ahc, SCSICONF + 1);
/* Get the primary channel information */
if ((biosctrl & CHANNEL_B_PRIMARY) != 0)
ahc->flags |= 1;
if ((biosctrl & BIOSMODE) == BIOSDISABLED) {
ahc->flags |= AHC_USEDEFAULTS;
} else {
if ((ahc->features & AHC_WIDE) != 0) {
ahc->our_id = scsiconf1 & HWSCSIID;
if (scsiconf & TERM_ENB)
ahc->flags |= AHC_TERM_ENB_A;
} else {
ahc->our_id = scsiconf & HSCSIID;
ahc->our_id_b = scsiconf1 & HSCSIID;
if (scsiconf & TERM_ENB)
ahc->flags |= AHC_TERM_ENB_A;
if (scsiconf1 & TERM_ENB)
ahc->flags |= AHC_TERM_ENB_B;
}
}
if ((ahc_inb(ahc, HA_274_BIOSGLOBAL) & HA_274_EXTENDED_TRANS))
ahc->flags |= AHC_EXTENDED_TRANS_A|AHC_EXTENDED_TRANS_B;
break;
}
case AHC_VL:
{
have_seeprom = aha2840_load_seeprom(ahc);
break;
}
default:
break;
}
if (have_seeprom == 0) {
free(ahc->seep_config, M_DEVBUF);
ahc->seep_config = NULL;
}
/*
* Ensure autoflush is enabled
*/
ahc_outb(ahc, SBLKCTL, ahc_inb(ahc, SBLKCTL) & ~AUTOFLUSHDIS);
/* Setup the FIFO threshold and the bus off time */
hostconf = ahc_inb(ahc, HOSTCONF);
ahc_outb(ahc, BUSSPD, hostconf & DFTHRSH);
ahc_outb(ahc, BUSTIME, (hostconf << 2) & BOFF);
/*
* Generic aic7xxx initialization.
*/
error = ahc_init(ahc);
if (error != 0)
return (error);
error = aic7770_map_int(ahc, irq);
if (error != 0)
return (error);
ahc_list_lock(&l);
/*
* Link this softc in with all other ahc instances.
*/
ahc_softc_insert(ahc);
/*
* Enable the board's BUS drivers
*/
ahc_outb(ahc, BCTL, ENABLE);
/*
* Allow interrupts.
*/
ahc_lock(ahc, &s);
ahc_intr_enable(ahc, TRUE);
ahc_unlock(ahc, &s);
ahc_list_unlock(&l);
return (0);
}