blob: a0cc0c084b8c8c78ffce7c2606f2ffc32bf4ee99 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
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 __attribute__((naked)) set_fiq_regs(struct pt_regs *regs);
extern void __attribute__((naked)) get_fiq_regs(struct pt_regs *regs);
extern void enable_fiq(int fiq);
extern void disable_fiq(int fiq);
#endif
|
