static void
bt3c_intr(void *context)
{
bt3c_softc_p sc = (bt3c_softc_p) context;
u_int16_t control, status;
if (sc == NULL || sc->ith == NULL) {
printf("%s: bogus interrupt\n", NG_BT3C_NODE_TYPE);
return;
}
bt3c_read_control(sc, control);
if ((control & 0x80) == 0)
return;
bt3c_read(sc, 0x7001, status);
NG_BT3C_INFO(sc->dev, "control=%#x, status=%#x\n", control, status);
if ((status & 0xff) == 0x7f || (status & 0xff) == 0xff) {
NG_BT3C_WARN(sc->dev, "Strange status=%#x\n", status);
return;
}
/* Receive complete */
if (status & 0x0001)
bt3c_receive(sc);
/* Record status and schedule SWI */
sc->status |= status;
swi_sched(sc->ith, 0);
/* Complete interrupt */
bt3c_write(sc, 0x7001, 0x0000);
bt3c_write_control(sc, control);
} /* bt3c_intr */
static irqreturn_t bt3c_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
{
bt3c_info_t *info = dev_inst;
unsigned int iobase;
int iir;
if (!info || !info->hdev) {
BT_ERR("Call of irq %d for unknown device", irq);
return IRQ_NONE;
}
iobase = info->link.io.BasePort1;
spin_lock(&(info->lock));
iir = inb(iobase + CONTROL);
if (iir & 0x80) {
int stat = bt3c_read(iobase, 0x7001);
if ((stat & 0xff) == 0x7f) {
BT_ERR("Very strange (stat=0x%04x)", stat);
} else if ((stat & 0xff) != 0xff) {
if (stat & 0x0020) {
int stat = bt3c_read(iobase, 0x7002) & 0x10;
BT_INFO("%s: Antenna %s", info->hdev->name,
stat ? "out" : "in");
}
if (stat & 0x0001)
bt3c_receive(info);
if (stat & 0x0002) {
//BT_ERR("Ack (stat=0x%04x)", stat);
clear_bit(XMIT_SENDING, &(info->tx_state));
bt3c_write_wakeup(info, 1);
}
bt3c_io_write(iobase, 0x7001, 0x0000);
outb(iir, iobase + CONTROL);
}
}
spin_unlock(&(info->lock));
return IRQ_HANDLED;
}
static irqreturn_t bt3c_interrupt(int irq, void *dev_inst, struct pt_regs *regs)
{
bt3c_info_t *info = dev_inst;
unsigned int iobase;
int iir;
if (!info) {
printk(KERN_WARNING "bt3c_cs: Call of irq %d for unknown device.\n", irq);
return IRQ_NONE;
}
iobase = info->link.io.BasePort1;
spin_lock(&(info->lock));
iir = inb(iobase + CONTROL);
if (iir & 0x80) {
int stat = bt3c_read(iobase, 0x7001);
if ((stat & 0xff) == 0x7f) {
printk(KERN_WARNING "bt3c_cs: STRANGE stat=%04x\n", stat);
} else if ((stat & 0xff) != 0xff) {
if (stat & 0x0020) {
int stat = bt3c_read(iobase, 0x7002) & 0x10;
printk(KERN_WARNING "bt3c_cs: antena %s\n", stat ? "OUT" : "IN");
}
if (stat & 0x0001)
bt3c_receive(info);
if (stat & 0x0002) {
//printk("bt3c_cs: ACK %04x\n", stat);
clear_bit(XMIT_SENDING, &(info->tx_state));
bt3c_write_wakeup(info, 1);
}
bt3c_io_write(iobase, 0x7001, 0x0000);
outb(iir, iobase + CONTROL);
}
}
spin_unlock(&(info->lock));
return IRQ_HANDLED;
}
