File: ioport.h

package info (click to toggle)
kernel-source-2.2.22 2.2.22-1woody1
  • links: PTS
  • area: main
  • in suites: woody
  • size: 92,736 kB
  • ctags: 279,994
  • sloc: ansic: 1,710,947; asm: 60,329; makefile: 10,285; sh: 2,401; perl: 907; tcl: 570; lisp: 218; cpp: 186; awk: 133; sed: 72
file content (52 lines) | stat: -rw-r--r-- 1,386 bytes parent folder | download | duplicates (3)
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
/*
 * portio.h	Definitions of routines for detecting, reserving and
 *		allocating system resources.
 *
 * Version:	0.01	8/30/93
 *
 * Author:	Donald Becker (becker@super.org)
 */

#ifndef _LINUX_PORTIO_H
#define _LINUX_PORTIO_H

#define HAVE_PORTRESERVE
/*
 * Call check_region() before probing for your hardware.
 * Once you have found you hardware, register it with request_region().
 * If you unload the driver, use release_region to free ports.
 */
extern void reserve_setup(char *str, int *ints);
extern int check_region(unsigned long from, unsigned long extent);
extern void request_region(unsigned long from, unsigned long extent,const char *name);
extern void release_region(unsigned long from, unsigned long extent);
extern int get_ioport_list(char *);

#ifdef __sparc__
extern unsigned long occupy_region(unsigned long base, unsigned long end,
				   unsigned long num, unsigned int align,
				   const char *name);
#endif

#define HAVE_AUTOIRQ
extern void autoirq_setup(int waittime);
extern int autoirq_report(int waittime);

/*
 * for compatibility with 2.4
 */

extern inline int check_mem_region(unsigned long from, unsigned long extent)
{
	return 0;
}

extern inline void request_mem_region(unsigned long from, unsigned long extent,const char *name)
{
}

extern inline void release_mem_region(unsigned long from, unsigned long extent)
{
}

#endif	/* _LINUX_PORTIO_H */