2007-11-17 18:14:51 +01:00
|
|
|
#ifndef QEMU_IRQ_H
|
|
|
|
#define QEMU_IRQ_H
|
|
|
|
|
2007-04-07 20:14:41 +02:00
|
|
|
/* Generic IRQ/GPIO pin infrastructure. */
|
|
|
|
|
|
|
|
typedef void (*qemu_irq_handler)(void *opaque, int n, int level);
|
|
|
|
|
|
|
|
void qemu_set_irq(qemu_irq irq, int level);
|
|
|
|
|
|
|
|
static inline void qemu_irq_raise(qemu_irq irq)
|
|
|
|
{
|
|
|
|
qemu_set_irq(irq, 1);
|
|
|
|
}
|
|
|
|
|
|
|
|
static inline void qemu_irq_lower(qemu_irq irq)
|
|
|
|
{
|
|
|
|
qemu_set_irq(irq, 0);
|
|
|
|
}
|
|
|
|
|
2007-12-05 04:23:39 +01:00
|
|
|
static inline void qemu_irq_pulse(qemu_irq irq)
|
|
|
|
{
|
|
|
|
qemu_set_irq(irq, 1);
|
|
|
|
qemu_set_irq(irq, 0);
|
|
|
|
}
|
|
|
|
|
2007-04-07 20:14:41 +02:00
|
|
|
/* Returns an array of N IRQs. */
|
|
|
|
qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n);
|
2009-02-11 16:21:04 +01:00
|
|
|
void qemu_free_irqs(qemu_irq *s);
|
2007-04-07 20:14:41 +02:00
|
|
|
|
2007-10-29 11:59:29 +01:00
|
|
|
/* Returns a new IRQ with opposite polarity. */
|
|
|
|
qemu_irq qemu_irq_invert(qemu_irq irq);
|
2007-11-17 18:14:51 +01:00
|
|
|
|
2011-02-21 21:57:52 +01:00
|
|
|
/* Returns a new IRQ which feeds into both the passed IRQs */
|
|
|
|
qemu_irq qemu_irq_split(qemu_irq irq1, qemu_irq irq2);
|
|
|
|
|
2007-11-17 18:14:51 +01:00
|
|
|
#endif
|