63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/*
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* Copyright (C) 2006 Apple Computer, Inc. All rights reserved.
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*
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* This document is the property of Apple Computer, Inc.
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* It is considered confidential and proprietary.
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*
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* This document may not be reproduced or transmitted in any form,
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* in whole or in part, without the express written permission of
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* Apple Computer, Inc.
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*/
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#ifndef __PLATFORM_INT_H
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#define __PLATFORM_INT_H
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#include <sys/types.h>
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__BEGIN_DECLS
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/* interrupt controller */
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int interrupt_init(void);
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void interrupt_mask_all(void);
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void unmask_int(uint32_t vector);
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void mask_int(uint32_t vector);
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/* optional for platforms requiring polling masked interrupts */
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bool test_int(uint32_t vector);
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int eint_init(void);
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void eint_mask_all(void);
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void unmask_eint(uint32_t eint, uint32_t vector);
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void mask_eint(uint32_t eint, uint32_t vector);
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void eint_trig(uint32_t eint, uint32_t vector, uint32_t trig);
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void eint_pol(uint32_t eint, uint32_t vector, uint32_t trig);
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#define INT_TYPE_IRQ 0
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#define INT_TYPE_FIQ 1
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#define INT_TYPE_LEVEL 0
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#define INT_TYPE_EDGE 2
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void set_int_type(uint32_t vector, int type);
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typedef void (*int_handler)(void *arg);
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int install_int_handler(uint32_t vector, int_handler handler, void *arg);
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int install_eint_handler(uint32_t eint, uint32_t vector, int_handler handler, void *arg);
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struct interrupt_entry {
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int_handler handler;
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void *arg;
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bool edge;
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bool int_mask_requested; /* interrupt controller client requested interrupt mask state */
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};
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/* interprocessor interrupts */
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void interrupt_generate_ipc(uint32_t vector);
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void interrupt_clear_ipc(uint32_t vector);
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/* interrupt routines */
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void platform_irq(void);
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void platform_fiq(void);
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__END_DECLS
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#endif
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