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38 lines
854 B
C
38 lines
854 B
C
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/*
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* linux/include/asm-arm/fiq.h
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*
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* Support for FIQ on ARM architectures.
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* Written by Philip Blundell <philb@gnu.org>, 1998
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* Re-written by Russell King
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*/
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#ifndef __ASM_FIQ_H
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#define __ASM_FIQ_H
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#include <asm/ptrace.h>
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struct fiq_handler {
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struct fiq_handler *next;
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/* Name
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*/
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const char *name;
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/* Called to ask driver to relinquish/
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* reacquire FIQ
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* return zero to accept, or -<errno>
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*/
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int (*fiq_op)(void *, int relinquish);
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/* data for the relinquish/reacquire functions
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*/
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void *dev_id;
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};
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extern int claim_fiq(struct fiq_handler *f);
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extern void release_fiq(struct fiq_handler *f);
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extern void set_fiq_handler(void *start, unsigned int length);
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extern void set_fiq_regs(struct pt_regs *regs);
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extern void get_fiq_regs(struct pt_regs *regs);
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extern void enable_fiq(int fiq);
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extern void disable_fiq(int fiq);
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#endif
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