blob: 613832d335fe941df7e80424e612cdc95ceb30d3 (
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
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
|
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _FB_INTERNAL_H
#define _FB_INTERNAL_H
#include <linux/device.h>
#include <linux/fb.h>
#include <linux/mutex.h>
/* fb_devfs.c */
#if defined(CONFIG_FB_DEVICE)
int fb_register_chrdev(void);
void fb_unregister_chrdev(void);
#else
static inline int fb_register_chrdev(void)
{
return 0;
}
static inline void fb_unregister_chrdev(void)
{ }
#endif
/* fb_logo.c */
#if defined(CONFIG_LOGO)
extern bool fb_center_logo;
extern int fb_logo_count;
int fb_prepare_logo(struct fb_info *fb_info, int rotate);
int fb_show_logo(struct fb_info *fb_info, int rotate);
#else
static inline int fb_prepare_logo(struct fb_info *info, int rotate)
{
return 0;
}
static inline int fb_show_logo(struct fb_info *info, int rotate)
{
return 0;
}
#endif /* CONFIG_LOGO */
/* fbmem.c */
extern struct class *fb_class;
extern struct mutex registration_lock;
extern struct fb_info *registered_fb[FB_MAX];
extern int num_registered_fb;
struct fb_info *get_fb_info(unsigned int idx);
void put_fb_info(struct fb_info *fb_info);
/* fb_procfs.c */
#if defined(CONFIG_FB_DEVICE)
int fb_init_procfs(void);
void fb_cleanup_procfs(void);
#else
static inline int fb_init_procfs(void)
{
return 0;
}
static inline void fb_cleanup_procfs(void)
{ }
#endif
/* fbsysfs.c */
#if defined(CONFIG_FB_DEVICE)
int fb_device_create(struct fb_info *fb_info);
void fb_device_destroy(struct fb_info *fb_info);
#else
static inline int fb_device_create(struct fb_info *fb_info)
{
/*
* Acquire a reference on the parent device to avoid
* unplug operations behind our back. With the fbdev
* device enabled, this is performed within register_device().
*/
get_device(fb_info->device);
return 0;
}
static inline void fb_device_destroy(struct fb_info *fb_info)
{
/* Undo the get_device() from fb_device_create() */
put_device(fb_info->device);
}
#endif
#endif
|
