| #ifndef QEMU_IRQ_H |
| #define QEMU_IRQ_H |
| |
| /* Generic IRQ/GPIO pin infrastructure. */ |
| |
| /* FIXME: Rmove one of these. */ |
| typedef void (*qemu_irq_handler)(void *opaque, int n, int level); |
| typedef void SetIRQFunc(void *opaque, int irq_num, 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); |
| } |
| |
| static inline void qemu_irq_pulse(qemu_irq irq) |
| { |
| qemu_set_irq(irq, 1); |
| qemu_set_irq(irq, 0); |
| } |
| |
| /* Returns an array of N IRQs. */ |
| qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n); |
| void qemu_free_irqs(qemu_irq *s); |
| |
| /* Returns a new IRQ with opposite polarity. */ |
| qemu_irq qemu_irq_invert(qemu_irq irq); |
| |
| #endif |
