xref: /linux-6.15/include/linux/miscdevice.h (revision c537b994)
1 #ifndef _LINUX_MISCDEVICE_H
2 #define _LINUX_MISCDEVICE_H
3 #include <linux/module.h>
4 #include <linux/major.h>
5 
6 #define PSMOUSE_MINOR  1
7 #define MS_BUSMOUSE_MINOR 2
8 #define ATIXL_BUSMOUSE_MINOR 3
9 /*#define AMIGAMOUSE_MINOR 4	FIXME OBSOLETE */
10 #define ATARIMOUSE_MINOR 5
11 #define SUN_MOUSE_MINOR 6
12 #define APOLLO_MOUSE_MINOR 7
13 #define PC110PAD_MINOR 9
14 /*#define ADB_MOUSE_MINOR 10	FIXME OBSOLETE */
15 #define WATCHDOG_MINOR		130	/* Watchdog timer     */
16 #define TEMP_MINOR		131	/* Temperature Sensor */
17 #define RTC_MINOR 135
18 #define EFI_RTC_MINOR		136	/* EFI Time services */
19 #define SUN_OPENPROM_MINOR 139
20 #define DMAPI_MINOR		140	/* DMAPI */
21 #define NVRAM_MINOR 144
22 #define SGI_MMTIMER        153
23 #define STORE_QUEUE_MINOR	155
24 #define I2O_MINOR 166
25 #define MICROCODE_MINOR		184
26 #define MWAVE_MINOR	219		/* ACP/Mwave Modem */
27 #define MPT_MINOR	220
28 #define MISC_DYNAMIC_MINOR 255
29 
30 #define TUN_MINOR	     200
31 #define	HPET_MINOR	     228
32 
33 struct device;
34 
35 struct miscdevice  {
36 	int minor;
37 	const char *name;
38 	const struct file_operations *fops;
39 	struct list_head list;
40 	struct device *parent;
41 	struct device *this_device;
42 };
43 
44 extern int misc_register(struct miscdevice * misc);
45 extern int misc_deregister(struct miscdevice * misc);
46 
47 #define MODULE_ALIAS_MISCDEV(minor)				\
48 	MODULE_ALIAS("char-major-" __stringify(MISC_MAJOR)	\
49 	"-" __stringify(minor))
50 #endif
51