Root/
1 | /* |
2 | * linux/include/linux/console.h |
3 | * |
4 | * Copyright (C) 1993 Hamish Macdonald |
5 | * |
6 | * This file is subject to the terms and conditions of the GNU General Public |
7 | * License. See the file COPYING in the main directory of this archive |
8 | * for more details. |
9 | * |
10 | * Changed: |
11 | * 10-Mar-94: Arno Griffioen: Conversion for vt100 emulator port from PC LINUX |
12 | */ |
13 | |
14 | #ifndef _LINUX_CONSOLE_H_ |
15 | #define _LINUX_CONSOLE_H_ 1 |
16 | |
17 | #include <linux/types.h> |
18 | |
19 | struct vc_data; |
20 | struct console_font_op; |
21 | struct console_font; |
22 | struct module; |
23 | struct tty_struct; |
24 | |
25 | /* |
26 | * this is what the terminal answers to a ESC-Z or csi0c query. |
27 | */ |
28 | #define VT100ID "\033[?1;2c" |
29 | #define VT102ID "\033[?6c" |
30 | |
31 | struct consw { |
32 | struct module *owner; |
33 | const char *(*con_startup)(void); |
34 | void (*con_init)(struct vc_data *, int); |
35 | void (*con_deinit)(struct vc_data *); |
36 | void (*con_clear)(struct vc_data *, int, int, int, int); |
37 | void (*con_putc)(struct vc_data *, int, int, int); |
38 | void (*con_putcs)(struct vc_data *, const unsigned short *, int, int, int); |
39 | void (*con_cursor)(struct vc_data *, int); |
40 | int (*con_scroll)(struct vc_data *, int, int, int, int); |
41 | void (*con_bmove)(struct vc_data *, int, int, int, int, int, int); |
42 | int (*con_switch)(struct vc_data *); |
43 | int (*con_blank)(struct vc_data *, int, int); |
44 | int (*con_font_set)(struct vc_data *, struct console_font *, unsigned); |
45 | int (*con_font_get)(struct vc_data *, struct console_font *); |
46 | int (*con_font_default)(struct vc_data *, struct console_font *, char *); |
47 | int (*con_font_copy)(struct vc_data *, int); |
48 | int (*con_resize)(struct vc_data *, unsigned int, unsigned int, |
49 | unsigned int); |
50 | int (*con_set_palette)(struct vc_data *, unsigned char *); |
51 | int (*con_scrolldelta)(struct vc_data *, int); |
52 | int (*con_set_origin)(struct vc_data *); |
53 | void (*con_save_screen)(struct vc_data *); |
54 | u8 (*con_build_attr)(struct vc_data *, u8, u8, u8, u8, u8, u8); |
55 | void (*con_invert_region)(struct vc_data *, u16 *, int); |
56 | u16 *(*con_screen_pos)(struct vc_data *, int); |
57 | unsigned long (*con_getxy)(struct vc_data *, unsigned long, int *, int *); |
58 | }; |
59 | |
60 | extern const struct consw *conswitchp; |
61 | |
62 | extern const struct consw dummy_con; /* dummy console buffer */ |
63 | extern const struct consw vga_con; /* VGA text console */ |
64 | extern const struct consw newport_con; /* SGI Newport console */ |
65 | extern const struct consw prom_con; /* SPARC PROM console */ |
66 | |
67 | int con_is_bound(const struct consw *csw); |
68 | int register_con_driver(const struct consw *csw, int first, int last); |
69 | int unregister_con_driver(const struct consw *csw); |
70 | int take_over_console(const struct consw *sw, int first, int last, int deflt); |
71 | void give_up_console(const struct consw *sw); |
72 | /* scroll */ |
73 | #define SM_UP (1) |
74 | #define SM_DOWN (2) |
75 | |
76 | /* cursor */ |
77 | #define CM_DRAW (1) |
78 | #define CM_ERASE (2) |
79 | #define CM_MOVE (3) |
80 | |
81 | /* |
82 | * The interface for a console, or any other device that wants to capture |
83 | * console messages (printer driver?) |
84 | * |
85 | * If a console driver is marked CON_BOOT then it will be auto-unregistered |
86 | * when the first real console is registered. This is for early-printk drivers. |
87 | */ |
88 | |
89 | #define CON_PRINTBUFFER (1) |
90 | #define CON_CONSDEV (2) /* Last on the command line */ |
91 | #define CON_ENABLED (4) |
92 | #define CON_BOOT (8) |
93 | #define CON_ANYTIME (16) /* Safe to call when cpu is offline */ |
94 | #define CON_BRL (32) /* Used for a braille device */ |
95 | |
96 | struct console { |
97 | char name[16]; |
98 | void (*write)(struct console *, const char *, unsigned); |
99 | int (*read)(struct console *, char *, unsigned); |
100 | struct tty_driver *(*device)(struct console *, int *); |
101 | void (*unblank)(void); |
102 | int (*setup)(struct console *, char *); |
103 | int (*early_setup)(void); |
104 | short flags; |
105 | short index; |
106 | int cflag; |
107 | void *data; |
108 | struct console *next; |
109 | }; |
110 | |
111 | extern int console_set_on_cmdline; |
112 | |
113 | extern int add_preferred_console(char *name, int idx, char *options); |
114 | extern int update_console_cmdline(char *name, int idx, char *name_new, int idx_new, char *options); |
115 | extern void register_console(struct console *); |
116 | extern int unregister_console(struct console *); |
117 | extern struct console *console_drivers; |
118 | extern void acquire_console_sem(void); |
119 | extern int try_acquire_console_sem(void); |
120 | extern void release_console_sem(void); |
121 | extern void console_conditional_schedule(void); |
122 | extern void console_unblank(void); |
123 | extern struct tty_driver *console_device(int *); |
124 | extern void console_stop(struct console *); |
125 | extern void console_start(struct console *); |
126 | extern int is_console_locked(void); |
127 | extern int braille_register_console(struct console *, int index, |
128 | char *console_options, char *braille_options); |
129 | extern int braille_unregister_console(struct console *); |
130 | |
131 | extern int console_suspend_enabled; |
132 | |
133 | /* Suspend and resume console messages over PM events */ |
134 | extern void suspend_console(void); |
135 | extern void resume_console(void); |
136 | |
137 | int mda_console_init(void); |
138 | void prom_con_init(void); |
139 | |
140 | void vcs_make_sysfs(int index); |
141 | void vcs_remove_sysfs(int index); |
142 | |
143 | /* Some debug stub to catch some of the obvious races in the VT code */ |
144 | #if 1 |
145 | #define WARN_CONSOLE_UNLOCKED() WARN_ON(!is_console_locked() && !oops_in_progress) |
146 | #else |
147 | #define WARN_CONSOLE_UNLOCKED() |
148 | #endif |
149 | |
150 | /* VESA Blanking Levels */ |
151 | #define VESA_NO_BLANKING 0 |
152 | #define VESA_VSYNC_SUSPEND 1 |
153 | #define VESA_HSYNC_SUSPEND 2 |
154 | #define VESA_POWERDOWN 3 |
155 | |
156 | #ifdef CONFIG_VGA_CONSOLE |
157 | extern bool vgacon_text_force(void); |
158 | #endif |
159 | |
160 | #endif /* _LINUX_CONSOLE_H */ |
161 |
Branches:
ben-wpan
ben-wpan-stefan
javiroman/ks7010
jz-2.6.34
jz-2.6.34-rc5
jz-2.6.34-rc6
jz-2.6.34-rc7
jz-2.6.35
jz-2.6.36
jz-2.6.37
jz-2.6.38
jz-2.6.39
jz-3.0
jz-3.1
jz-3.11
jz-3.12
jz-3.13
jz-3.15
jz-3.16
jz-3.18-dt
jz-3.2
jz-3.3
jz-3.4
jz-3.5
jz-3.6
jz-3.6-rc2-pwm
jz-3.9
jz-3.9-clk
jz-3.9-rc8
jz47xx
jz47xx-2.6.38
master
Tags:
od-2011-09-04
od-2011-09-18
v2.6.34-rc5
v2.6.34-rc6
v2.6.34-rc7
v3.9