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| 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 <philb@gnu.org>, 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 |