2 * linux/include/asm-arm/fiq.h
4 * Support for FIQ on ARM architectures.
5 * Written by Philip Blundell <philb@gnu.org>, 1998
6 * Re-written by Russell King
12 #include <asm/ptrace.h>
15 struct fiq_handler *next;
19 /* Called to ask driver to relinquish/
21 * return zero to accept, or -<errno>
23 int (*fiq_op)(void *, int relinquish);
24 /* data for the relinquish/reacquire functions
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);