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
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
|
/*
* (C) Copyright 2000
* Paolo Scaffardi, AIRVENT SAM s.p.a - RIMINI(ITALY), arsenio@tin.it
*
* See file CREDITS for list of people who contributed to this
* project.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
* MA 02111-1307 USA
*/
#include <linux/list.h>
#ifndef _DEVICES_H_
#define _DEVICES_H_
/*
* CONSOLE DEVICES
*/
#define DEV_FLAGS_INPUT 0x00000001 /* Device can be used as input console */
#define DEV_FLAGS_OUTPUT 0x00000002 /* Device can be used as output console */
#define DEV_FLAGS_SYSTEM 0x80000000 /* Device is a system device */
#define DEV_EXT_VIDEO 0x00000001 /* Video extensions supported */
/* Device information */
typedef struct {
int flags; /* Device flags: input/output/system */
int ext; /* Supported extensions */
char name[16]; /* Device name */
/* GENERAL functions */
int (*start) (void); /* To start the device */
int (*stop) (void); /* To stop the device */
/* OUTPUT functions */
void (*putc) (const char c); /* To put a char */
void (*puts) (const char *s); /* To put a string (accelerator) */
/* INPUT functions */
int (*tstc) (void); /* To test if a char is ready... */
int (*getc) (void); /* To get that char */
/* Other functions */
void *priv; /* Private extensions */
struct list_head list;
} device_t;
/*
* VIDEO EXTENSIONS
*/
#define VIDEO_FORMAT_RGB_INDEXED 0x0000
#define VIDEO_FORMAT_RGB_DIRECTCOLOR 0x0001
#define VIDEO_FORMAT_YUYV_4_4_4 0x0010
#define VIDEO_FORMAT_YUYV_4_2_2 0x0011
typedef struct {
void *address; /* Address of framebuffer */
ushort width; /* Horizontal resolution */
ushort height; /* Vertical resolution */
uchar format; /* Format */
uchar colors; /* Colors number or color depth */
void (*setcolreg) (int, int, int, int);
void (*getcolreg) (int, void *);
} video_ext_t;
/*
* VARIABLES
*/
extern device_t *stdio_devices[];
extern char *stdio_names[MAX_FILES];
/*
* PROTOTYPES
*/
int device_register (device_t * dev);
int devices_init (void);
int device_deregister(char *devname);
struct list_head* device_get_list(void);
device_t* device_get_by_name(char* name);
#ifdef CONFIG_LCD
int drv_lcd_init (void);
#endif
#ifdef CONFIG_VFD
int drv_vfd_init (void);
#endif
#if defined(CONFIG_VIDEO) || defined(CONFIG_CFB_CONSOLE)
int drv_video_init (void);
#endif
#ifdef CONFIG_KEYBOARD
int drv_keyboard_init (void);
#endif
#ifdef CONFIG_USB_TTY
int drv_usbtty_init (void);
#endif
#ifdef CONFIG_NETCONSOLE
int drv_nc_init (void);
#endif
#endif /* _DEVICES_H_ */
|
