1
2#ifndef _VT_KERN_H
3#define _VT_KERN_H
4
5
6
7
8
9
10#include <linux/vt.h>
11#include <linux/kd.h>
12#include <linux/tty.h>
13#include <linux/mutex.h>
14#include <linux/console_struct.h>
15#include <linux/mm.h>
16#include <linux/consolemap.h>
17#include <linux/notifier.h>
18
19void kd_mksound(unsigned int hz, unsigned int ticks);
20int kbd_rate(struct kbd_repeat *rep);
21
22extern int fg_console, last_console, want_console;
23
24
25
26int vc_allocate(unsigned int console);
27int vc_cons_allocated(unsigned int console);
28int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines);
29struct vc_data *vc_deallocate(unsigned int console);
30void reset_palette(struct vc_data *vc);
31void do_blank_screen(int entering_gfx);
32void do_unblank_screen(int leaving_gfx);
33void unblank_screen(void);
34void poke_blanked_console(void);
35int con_font_op(struct vc_data *vc, struct console_font_op *op);
36int con_set_cmap(unsigned char __user *cmap);
37int con_get_cmap(unsigned char __user *cmap);
38void scrollback(struct vc_data *vc);
39void scrollfront(struct vc_data *vc, int lines);
40void clear_buffer_attributes(struct vc_data *vc);
41void update_region(struct vc_data *vc, unsigned long start, int count);
42void redraw_screen(struct vc_data *vc, int is_switch);
43#define update_screen(x) redraw_screen(x, 0)
44#define switch_screen(x) redraw_screen(x, 1)
45
46struct tty_struct;
47int tioclinux(struct tty_struct *tty, unsigned long arg);
48
49#ifdef CONFIG_CONSOLE_TRANSLATIONS
50
51
52struct unipair;
53
54int con_set_trans_old(unsigned char __user * table);
55int con_get_trans_old(unsigned char __user * table);
56int con_set_trans_new(unsigned short __user * table);
57int con_get_trans_new(unsigned short __user * table);
58int con_clear_unimap(struct vc_data *vc);
59int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list);
60int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct unipair __user *list);
61int con_set_default_unimap(struct vc_data *vc);
62void con_free_unimap(struct vc_data *vc);
63int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc);
64
65#else
66static inline int con_set_trans_old(unsigned char __user *table)
67{
68 return 0;
69}
70static inline int con_get_trans_old(unsigned char __user *table)
71{
72 return -EINVAL;
73}
74static inline int con_set_trans_new(unsigned short __user *table)
75{
76 return 0;
77}
78static inline int con_get_trans_new(unsigned short __user *table)
79{
80 return -EINVAL;
81}
82static inline int con_clear_unimap(struct vc_data *vc)
83{
84 return 0;
85}
86static inline
87int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list)
88{
89 return 0;
90}
91static inline
92int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct,
93 struct unipair __user *list)
94{
95 return -EINVAL;
96}
97static inline int con_set_default_unimap(struct vc_data *vc)
98{
99 return 0;
100}
101static inline void con_free_unimap(struct vc_data *vc)
102{
103}
104static inline void con_protect_unimap(struct vc_data *vc, int rdonly)
105{
106}
107static inline
108int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc)
109{
110 return 0;
111}
112
113#endif
114
115
116void vt_event_post(unsigned int event, unsigned int old, unsigned int new);
117int vt_waitactive(int n);
118void change_console(struct vc_data *new_vc);
119void reset_vc(struct vc_data *vc);
120int do_unbind_con_driver(const struct consw *csw, int first, int last,
121 int deflt);
122int vty_init(const struct file_operations *console_fops);
123
124extern bool vt_dont_switch;
125extern int default_utf8;
126extern int global_cursor_default;
127
128struct vt_spawn_console {
129 spinlock_t lock;
130 struct pid *pid;
131 int sig;
132};
133extern struct vt_spawn_console vt_spawn_con;
134
135int vt_move_to_console(unsigned int vt, int alloc);
136
137
138
139struct vt_notifier_param {
140 struct vc_data *vc;
141 unsigned int c;
142};
143
144int register_vt_notifier(struct notifier_block *nb);
145int unregister_vt_notifier(struct notifier_block *nb);
146
147void hide_boot_cursor(bool hide);
148
149
150int vt_do_diacrit(unsigned int cmd, void __user *up, int eperm);
151int vt_do_kdskbmode(unsigned int console, unsigned int arg);
152int vt_do_kdskbmeta(unsigned int console, unsigned int arg);
153int vt_do_kbkeycode_ioctl(int cmd, struct kbkeycode __user *user_kbkc,
154 int perm);
155int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm,
156 unsigned int console);
157int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm);
158int vt_do_kdskled(unsigned int console, int cmd, unsigned long arg, int perm);
159int vt_do_kdgkbmode(unsigned int console);
160int vt_do_kdgkbmeta(unsigned int console);
161void vt_reset_unicode(unsigned int console);
162int vt_get_shift_state(void);
163void vt_reset_keyboard(unsigned int console);
164int vt_get_leds(unsigned int console, int flag);
165int vt_get_kbd_mode_bit(unsigned int console, int bit);
166void vt_set_kbd_mode_bit(unsigned int console, int bit);
167void vt_clr_kbd_mode_bit(unsigned int console, int bit);
168void vt_set_led_state(unsigned int console, int leds);
169void vt_kbd_con_start(unsigned int console);
170void vt_kbd_con_stop(unsigned int console);
171
172void vc_scrolldelta_helper(struct vc_data *c, int lines,
173 unsigned int rolled_over, void *_base, unsigned int size);
174
175#endif
176