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/*

 *  linux/include/asm-arm/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