void
sscapeintr(int irq)
{
u_char bits, tmp;
DEB(printf("sscapeintr(0x%02x)\n", (bits = sscape_read(devc, GA_INTSTAT_REG))));
if ((sscape_sleep_flag.mode & WK_SLEEP)) {
sscape_sleep_flag.mode = WK_WAKEUP;
wakeup(sscape_sleeper);
}
if (bits & 0x02) { /* Host interface interrupt */
printf("SSCAPE: Host interrupt, data=%02x\n", host_read(devc));
}
#if (defined(CONFIG_MPU401) || defined(CONFIG_MPU_EMU)) && defined(CONFIG_MIDI)
if (bits & 0x01) {
static int debug = 0;
mpuintr(irq);
if (debug++ > 10) { /* Temporary debugging hack */
sscape_write(devc, GA_INTENA_REG, 0x00); /* Disable all interr. */
}
}
#endif
/*
* Acknowledge interrupts (toggle the interrupt bits)
*/
tmp = sscape_read(devc, GA_INTENA_REG);
sscape_write(devc, GA_INTENA_REG, (~bits & 0x0e) | (tmp & 0xf1));
}
void
sscapeintr (int irq, void *dev_id, struct pt_regs *dummy)
{
unsigned char bits, tmp;
static int debug = 0;
bits = sscape_read (devc, GA_INTSTAT_REG);
if ((sscape_sleep_flag.flags & WK_SLEEP))
{
{
sscape_sleep_flag.flags = WK_WAKEUP;
module_wake_up (&sscape_sleeper);
};
}
if (bits & 0x02) /* Host interface interrupt */
{
printk ("SSCAPE: Host interrupt, data=%02x\n", host_read (devc));
}
#if defined(CONFIG_MPU_EMU) && defined(CONFIG_MIDI)
if (bits & 0x01)
{
mpuintr (irq, NULL, NULL);
if (debug++ > 10) /* Temporary debugging hack */
{
sscape_write (devc, GA_INTENA_REG, 0x00); /* Disable all interrupts */
}
}
#endif
/*
* Acknowledge interrupts (toggle the interrupt bits)
*/
tmp = sscape_read (devc, GA_INTENA_REG);
sscape_write (devc, GA_INTENA_REG, (~bits & 0x0e) | (tmp & 0xf1));
}
