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File: [Development] / linux-2.6-xfs / arch / arm / include / asm / fiq.h (download)

Revision 1.1, Fri Oct 3 17:46:45 2008 UTC (9 years ago) by lachlan.longdrop.melbourne.sgi.com
Branch: MAIN
CVS Tags: HEAD

Merge up to 2.6.27-rc8
Merge of 2.6.x-xfs-melb:linux:32254b by kenmcd.

/*
 *  arch/arm/include/asm/fiq.h
 *
 * Support for FIQ on ARM architectures.
 * Written by Philip Blundell <philb@gnu.org>, 1998
 * Re-written by Russell King
 */

#ifndef __ASM_FIQ_H
#define __ASM_FIQ_H

#include <asm/ptrace.h>

struct fiq_handler {
	struct fiq_handler *next;
	/* Name
	 */
	const char *name;
	/* Called to ask driver to relinquish/
	 * reacquire FIQ
	 * return zero to accept, or -<errno>
	 */
	int (*fiq_op)(void *, int relinquish);
	/* data for the relinquish/reacquire functions
	 */
	void *dev_id;
};

extern int claim_fiq(struct fiq_handler *f);
extern void release_fiq(struct fiq_handler *f);
extern void set_fiq_handler(void *start, unsigned int length);
extern void set_fiq_regs(struct pt_regs *regs);
extern void get_fiq_regs(struct pt_regs *regs);
extern void enable_fiq(int fiq);
extern void disable_fiq(int fiq);

#endif