| The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 1 | #ifndef QEMU_IRQ_H |
| 2 | #define QEMU_IRQ_H |
| 3 | |
| 4 | /* Generic IRQ/GPIO pin infrastructure. */ |
| 5 | |
| 6 | /* FIXME: Rmove one of these. */ |
| 7 | typedef void (*qemu_irq_handler)(void *opaque, int n, int level); |
| 8 | typedef void SetIRQFunc(void *opaque, int irq_num, int level); |
| 9 | |
| 10 | void qemu_set_irq(qemu_irq irq, int level); |
| 11 | |
| 12 | static inline void qemu_irq_raise(qemu_irq irq) |
| 13 | { |
| 14 | qemu_set_irq(irq, 1); |
| 15 | } |
| 16 | |
| 17 | static inline void qemu_irq_lower(qemu_irq irq) |
| 18 | { |
| 19 | qemu_set_irq(irq, 0); |
| 20 | } |
| 21 | |
| 22 | static inline void qemu_irq_pulse(qemu_irq irq) |
| 23 | { |
| 24 | qemu_set_irq(irq, 1); |
| 25 | qemu_set_irq(irq, 0); |
| 26 | } |
| 27 | |
| 28 | /* Returns an array of N IRQs. */ |
| 29 | qemu_irq *qemu_allocate_irqs(qemu_irq_handler handler, void *opaque, int n); |
| David 'Digit' Turner | 5d8f37a | 2009-09-14 14:32:27 -0700 | [diff] [blame] | 30 | void qemu_free_irqs(qemu_irq *s); |
| The Android Open Source Project | 8b23a6c | 2009-03-03 19:30:32 -0800 | [diff] [blame] | 31 | |
| 32 | /* Returns a new IRQ with opposite polarity. */ |
| 33 | qemu_irq qemu_irq_invert(qemu_irq irq); |
| 34 | |
| 35 | #endif |