[linux.git] / include / asm-arm / fiq.h

/*
 *  linux/include/asm-arm/fiq.h
 *
 * Support for FIQ on ARM architectures.
 * Written by Philip Blundell <[email protected]>, 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
Commit	Line	Data
1da177e4 LT	1	/*
	2	* linux/include/asm-arm/fiq.h
	3	*
	4	* Support for FIQ on ARM architectures.
	5	* Written by Philip Blundell <[email protected]>, 1998
	6	* Re-written by Russell King
	7	*/
	8
	9	#ifndef __ASM_FIQ_H
	10	#define __ASM_FIQ_H
	11
	12	#include <asm/ptrace.h>
	13
	14	struct fiq_handler {
	15	struct fiq_handler *next;
	16	/* Name
	17	*/
	18	const char *name;
	19	/* Called to ask driver to relinquish/
	20	* reacquire FIQ
	21	* return zero to accept, or -<errno>
	22	*/
	23	int (fiq_op)(void , int relinquish);
	24	/* data for the relinquish/reacquire functions
	25	*/
	26	void *dev_id;
	27	};
	28
	29	extern int claim_fiq(struct fiq_handler *f);
	30	extern void release_fiq(struct fiq_handler *f);
	31	extern void set_fiq_handler(void *start, unsigned int length);
	32	extern void set_fiq_regs(struct pt_regs *regs);
	33	extern void get_fiq_regs(struct pt_regs *regs);
	34	extern void enable_fiq(int fiq);
	35	extern void disable_fiq(int fiq);
	36
	37	#endif