/* Not supposed to use this function! */
void
mca_pos_set (device_t dev, u_int8_t reg, u_int8_t data)
{
struct mca_device * m_dev = device_get_ivars(dev);
u_int8_t slot = mca_get_slot(dev);
if ((slot > MCA_MAX_ADAPTERS) || (reg > MCA_POS7))
return;
/* Disable motherboard setup */
outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_DIS);
/* Select adapter setup regs */
outb(MCA_ADAP_SETUP_REG, ((slot & 0x0f) | MCA_ADAP_SET));
/* Write the register */
outb(MCA_POS_REG(reg), data);
/* Disable adapter setup */
outb(MCA_ADAP_SETUP_REG, MCA_ADAP_SETUP_DIS);
/* Update the IVAR copy */
m_dev->pos[reg] = data;
return;
}
u_int8_t
mca_pos_get (device_t dev, u_int8_t reg)
{
u_int8_t slot = mca_get_slot(dev);
u_int8_t data = 0;
if ((slot > MCA_MAX_ADAPTERS) || (reg > MCA_POS7))
return (0);
/* Disable motherboard setup */
outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_DIS);
switch (slot) {
case MCA_MB_SCSI_SLOT:
/* Disable adapter setup */
outb(MCA_ADAP_SETUP_REG, MCA_ADAP_SETUP_DIS);
/* Select motherboard video setup regs */
outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_SCSI);
/* read the register */
data = inb(MCA_POS_REG(reg));
/* Disable motherboard setup */
outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_DIS);
break;
case MCA_MB_VIDEO_SLOT:
/* Disable adapter setup */
outb(MCA_ADAP_SETUP_REG, MCA_ADAP_SETUP_DIS);
/* Select motherboard scsi setup regs */
outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_VIDEO);
/* read the register */
data = inb(MCA_POS_REG(reg));
/* Disable motherboard setup */
outb(MCA_MB_SETUP_REG, MCA_MB_SETUP_DIS);
break;
default:
/* Select adapter setup regs */
outb(MCA_ADAP_SETUP_REG,
((slot & 0x0f) | MCA_ADAP_SET));
/* read the register */
data = inb(MCA_POS_REG(reg));
/* Disable adapter setup */
outb(MCA_ADAP_SETUP_REG, MCA_ADAP_SETUP_DIS);
break;
}
return (data);
}
static int
bt_mca_probe (device_t dev)
{
const char * desc;
mca_id_t id = mca_get_id(dev);
struct bt_probe_info info;
u_int32_t iobase = 0;
u_int32_t iosize = 0;
u_int8_t drq = 0;
u_int8_t irq = 0;
u_int8_t pos;
int result;
desc = mca_match_id(id, bt_mca_devs);
if (!desc)
return (ENXIO);
device_set_desc(dev, desc);
pos = (mca_pos_read(dev, BT_MCA_IOPORT_POS1) & BT_MCA_IOPORT_MASK1) |
(mca_pos_read(dev, BT_MCA_IOPORT_POS2) & BT_MCA_IOPORT_MASK2);
iobase = BT_MCA_IOPORT(pos);
iosize = BT_MCA_IOPORT_SIZE;
pos = mca_pos_read(dev, BT_MCA_DRQ_POS);
drq = BT_MCA_DRQ(pos);
pos = mca_pos_read(dev, BT_MCA_IRQ_POS);
irq = BT_MCA_IRQ(pos);
bt_mark_probed_iop(iobase);
mca_add_iospace(dev, iobase, iosize);
/* And allocate them */
bt_mca_alloc_resources(dev, BT_MCA_PROBE);
if (bt_port_probe(dev, &info) != 0) {
printf("bt_mca_probe: Probe failed for "
"card at slot %d\n", mca_get_slot(dev) + 1);
result = ENXIO;
} else {
mca_add_drq(dev, drq);
mca_add_irq(dev, irq);
result = BUS_PROBE_DEFAULT;
}
bt_mca_release_resources(dev);
return (result);
}
