diff options
| author | Ingo Molnar <mingo@elte.hu> | 2008-08-11 08:59:21 +0200 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2008-08-11 08:59:21 +0200 |
| commit | cf206bffbb7542df54043fad9898113172af99d8 (patch) | |
| tree | c7e7ca9a93443b888f98a0c07e74751a1aa3c947 /arch/arm/include/asm/fiq.h | |
| parent | c1955a3d4762e7a9bf84035eb3c4886a900f0d15 (diff) | |
| parent | 796aadeb1b2db9b5d463946766c5bbfd7717158c (diff) | |
Merge branch 'linus' into sched/clock
Diffstat (limited to 'arch/arm/include/asm/fiq.h')
| -rw-r--r-- | arch/arm/include/asm/fiq.h | 37 |
1 files changed, 37 insertions, 0 deletions
diff --git a/arch/arm/include/asm/fiq.h b/arch/arm/include/asm/fiq.h new file mode 100644 index 00000000000..2242ce22ec6 --- /dev/null +++ b/arch/arm/include/asm/fiq.h @@ -0,0 +1,37 @@ +/* + * 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 |