Commit | Line | Data |
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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
1da177e4 LT |
2 | #ifndef _VT_KERN_H |
3 | #define _VT_KERN_H | |
4 | ||
5 | /* | |
6 | * this really is an extension of the vc_cons structure in console.c, but | |
7 | * with information needed by the vt package | |
8 | */ | |
9 | ||
1da177e4 LT |
10 | #include <linux/vt.h> |
11 | #include <linux/kd.h> | |
12 | #include <linux/tty.h> | |
c831c338 | 13 | #include <linux/mutex.h> |
1da177e4 LT |
14 | #include <linux/console_struct.h> |
15 | #include <linux/mm.h> | |
a29ccf6f | 16 | #include <linux/consolemap.h> |
a5eb5624 | 17 | #include <linux/notifier.h> |
1da177e4 | 18 | |
a10df491 JS |
19 | void kd_mksound(unsigned int hz, unsigned int ticks); |
20 | int kbd_rate(struct kbd_repeat *rep); | |
21 | ||
a8f340e3 | 22 | extern int fg_console, last_console, want_console; |
1da177e4 LT |
23 | |
24 | /* console.c */ | |
25 | ||
26 | int vc_allocate(unsigned int console); | |
27 | int vc_cons_allocated(unsigned int console); | |
28 | int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines); | |
421b40a6 | 29 | struct vc_data *vc_deallocate(unsigned int console); |
1da177e4 LT |
30 | void reset_palette(struct vc_data *vc); |
31 | void do_blank_screen(int entering_gfx); | |
32 | void do_unblank_screen(int leaving_gfx); | |
1da177e4 LT |
33 | void poke_blanked_console(void); |
34 | int con_font_op(struct vc_data *vc, struct console_font_op *op); | |
35 | int con_set_cmap(unsigned char __user *cmap); | |
36 | int con_get_cmap(unsigned char __user *cmap); | |
1b0ec88a | 37 | void scrollback(struct vc_data *vc); |
1da177e4 | 38 | void scrollfront(struct vc_data *vc, int lines); |
2a248307 | 39 | void clear_buffer_attributes(struct vc_data *vc); |
1da177e4 LT |
40 | void update_region(struct vc_data *vc, unsigned long start, int count); |
41 | void redraw_screen(struct vc_data *vc, int is_switch); | |
42 | #define update_screen(x) redraw_screen(x, 0) | |
43 | #define switch_screen(x) redraw_screen(x, 1) | |
44 | ||
45 | struct tty_struct; | |
46 | int tioclinux(struct tty_struct *tty, unsigned long arg); | |
47 | ||
a29ccf6f | 48 | #ifdef CONFIG_CONSOLE_TRANSLATIONS |
1da177e4 LT |
49 | /* consolemap.c */ |
50 | ||
1da177e4 LT |
51 | struct unipair; |
52 | ||
53 | int con_set_trans_old(unsigned char __user * table); | |
54 | int con_get_trans_old(unsigned char __user * table); | |
55 | int con_set_trans_new(unsigned short __user * table); | |
56 | int con_get_trans_new(unsigned short __user * table); | |
f8b0c2e6 | 57 | int con_clear_unimap(struct vc_data *vc); |
1da177e4 LT |
58 | int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list); |
59 | int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct unipair __user *list); | |
60 | int con_set_default_unimap(struct vc_data *vc); | |
61 | void con_free_unimap(struct vc_data *vc); | |
1da177e4 LT |
62 | int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc); |
63 | ||
a29ccf6f | 64 | #else |
75e0b946 KW |
65 | static inline int con_set_trans_old(unsigned char __user *table) |
66 | { | |
67 | return 0; | |
68 | } | |
69 | static inline int con_get_trans_old(unsigned char __user *table) | |
70 | { | |
71 | return -EINVAL; | |
72 | } | |
73 | static inline int con_set_trans_new(unsigned short __user *table) | |
74 | { | |
75 | return 0; | |
76 | } | |
77 | static inline int con_get_trans_new(unsigned short __user *table) | |
78 | { | |
79 | return -EINVAL; | |
80 | } | |
f8b0c2e6 | 81 | static inline int con_clear_unimap(struct vc_data *vc) |
75e0b946 KW |
82 | { |
83 | return 0; | |
84 | } | |
85 | static inline | |
86 | int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) | |
87 | { | |
88 | return 0; | |
89 | } | |
90 | static inline | |
91 | int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, | |
92 | struct unipair __user *list) | |
93 | { | |
94 | return -EINVAL; | |
95 | } | |
96 | static inline int con_set_default_unimap(struct vc_data *vc) | |
97 | { | |
98 | return 0; | |
99 | } | |
100 | static inline void con_free_unimap(struct vc_data *vc) | |
101 | { | |
102 | } | |
103 | static inline void con_protect_unimap(struct vc_data *vc, int rdonly) | |
104 | { | |
105 | } | |
106 | static inline | |
107 | int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc) | |
108 | { | |
109 | return 0; | |
110 | } | |
a29ccf6f | 111 | |
a29ccf6f DW |
112 | #endif |
113 | ||
1da177e4 | 114 | /* vt.c */ |
8b92e87d AC |
115 | void vt_event_post(unsigned int event, unsigned int old, unsigned int new); |
116 | int vt_waitactive(int n); | |
1da177e4 LT |
117 | void change_console(struct vc_data *new_vc); |
118 | void reset_vc(struct vc_data *vc); | |
a10df491 JS |
119 | int do_unbind_con_driver(const struct consw *csw, int first, int last, |
120 | int deflt); | |
d81ed103 | 121 | int vty_init(const struct file_operations *console_fops); |
1da177e4 | 122 | |
f400991b | 123 | extern bool vt_dont_switch; |
2e8ecb9d | 124 | extern int default_utf8; |
f6c06b68 | 125 | extern int global_cursor_default; |
1da177e4 | 126 | |
81af8d67 EB |
127 | struct vt_spawn_console { |
128 | spinlock_t lock; | |
129 | struct pid *pid; | |
130 | int sig; | |
131 | }; | |
132 | extern struct vt_spawn_console vt_spawn_con; | |
133 | ||
a10df491 | 134 | int vt_move_to_console(unsigned int vt, int alloc); |
a5eb5624 AC |
135 | |
136 | /* Interfaces for VC notification of character events (for accessibility etc) */ | |
137 | ||
138 | struct vt_notifier_param { | |
139 | struct vc_data *vc; /* VC on which the update happened */ | |
140 | unsigned int c; /* Printed char */ | |
141 | }; | |
142 | ||
a10df491 JS |
143 | int register_vt_notifier(struct notifier_block *nb); |
144 | int unregister_vt_notifier(struct notifier_block *nb); | |
a5eb5624 | 145 | |
a10df491 | 146 | void hide_boot_cursor(bool hide); |
f6c06b68 | 147 | |
247ff8e6 | 148 | /* keyboard provided interfaces */ |
a10df491 | 149 | int vt_do_diacrit(unsigned int cmd, void __user *up, int eperm); |
3df15d6f GKH |
150 | int vt_do_kdskbmode(unsigned int console, unsigned int arg); |
151 | int vt_do_kdskbmeta(unsigned int console, unsigned int arg); | |
a10df491 JS |
152 | int vt_do_kbkeycode_ioctl(int cmd, struct kbkeycode __user *user_kbkc, |
153 | int perm); | |
154 | int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, | |
3df15d6f | 155 | unsigned int console); |
a10df491 | 156 | int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm); |
3df15d6f GKH |
157 | int vt_do_kdskled(unsigned int console, int cmd, unsigned long arg, int perm); |
158 | int vt_do_kdgkbmode(unsigned int console); | |
159 | int vt_do_kdgkbmeta(unsigned int console); | |
160 | void vt_reset_unicode(unsigned int console); | |
a10df491 | 161 | int vt_get_shift_state(void); |
3df15d6f GKH |
162 | void vt_reset_keyboard(unsigned int console); |
163 | int vt_get_leds(unsigned int console, int flag); | |
164 | int vt_get_kbd_mode_bit(unsigned int console, int bit); | |
165 | void vt_set_kbd_mode_bit(unsigned int console, int bit); | |
166 | void vt_clr_kbd_mode_bit(unsigned int console, int bit); | |
167 | void vt_set_led_state(unsigned int console, int leds); | |
168 | void vt_kbd_con_start(unsigned int console); | |
169 | void vt_kbd_con_stop(unsigned int console); | |
079c9534 | 170 | |
35cc56f9 JS |
171 | void vc_scrolldelta_helper(struct vc_data *c, int lines, |
172 | unsigned int rolled_over, void *_base, unsigned int size); | |
247ff8e6 | 173 | |
1da177e4 | 174 | #endif /* _VT_KERN_H */ |