| /* SPDX-License-Identifier: GPL-2.0 */ |
| #ifndef _VT_KERN_H |
| #define _VT_KERN_H |
| |
| /* |
| * this really is an extension of the vc_cons structure in console.c, but |
| * with information needed by the vt package |
| */ |
| |
| #include <linux/vt.h> |
| #include <linux/kd.h> |
| #include <linux/tty.h> |
| #include <linux/mutex.h> |
| #include <linux/console_struct.h> |
| #include <linux/mm.h> |
| #include <linux/consolemap.h> |
| #include <linux/notifier.h> |
| |
| void kd_mksound(unsigned int hz, unsigned int ticks); |
| int kbd_rate(struct kbd_repeat *rep); |
| |
| extern int fg_console, last_console, want_console; |
| |
| /* console.c */ |
| |
| int vc_allocate(unsigned int console); |
| int vc_cons_allocated(unsigned int console); |
| int vc_resize(struct vc_data *vc, unsigned int cols, unsigned int lines); |
| struct vc_data *vc_deallocate(unsigned int console); |
| void reset_palette(struct vc_data *vc); |
| void do_blank_screen(int entering_gfx); |
| void do_unblank_screen(int leaving_gfx); |
| void unblank_screen(void); |
| void poke_blanked_console(void); |
| int con_font_op(struct vc_data *vc, struct console_font_op *op); |
| int con_set_cmap(unsigned char __user *cmap); |
| int con_get_cmap(unsigned char __user *cmap); |
| void scrollback(struct vc_data *vc); |
| void scrollfront(struct vc_data *vc, int lines); |
| void clear_buffer_attributes(struct vc_data *vc); |
| void update_region(struct vc_data *vc, unsigned long start, int count); |
| void redraw_screen(struct vc_data *vc, int is_switch); |
| #define update_screen(x) redraw_screen(x, 0) |
| #define switch_screen(x) redraw_screen(x, 1) |
| |
| struct tty_struct; |
| int tioclinux(struct tty_struct *tty, unsigned long arg); |
| |
| #ifdef CONFIG_CONSOLE_TRANSLATIONS |
| /* consolemap.c */ |
| |
| struct unipair; |
| |
| int con_set_trans_old(unsigned char __user * table); |
| int con_get_trans_old(unsigned char __user * table); |
| int con_set_trans_new(unsigned short __user * table); |
| int con_get_trans_new(unsigned short __user * table); |
| int con_clear_unimap(struct vc_data *vc); |
| int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list); |
| int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, struct unipair __user *list); |
| int con_set_default_unimap(struct vc_data *vc); |
| void con_free_unimap(struct vc_data *vc); |
| int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc); |
| |
| #else |
| static inline int con_set_trans_old(unsigned char __user *table) |
| { |
| return 0; |
| } |
| static inline int con_get_trans_old(unsigned char __user *table) |
| { |
| return -EINVAL; |
| } |
| static inline int con_set_trans_new(unsigned short __user *table) |
| { |
| return 0; |
| } |
| static inline int con_get_trans_new(unsigned short __user *table) |
| { |
| return -EINVAL; |
| } |
| static inline int con_clear_unimap(struct vc_data *vc) |
| { |
| return 0; |
| } |
| static inline |
| int con_set_unimap(struct vc_data *vc, ushort ct, struct unipair __user *list) |
| { |
| return 0; |
| } |
| static inline |
| int con_get_unimap(struct vc_data *vc, ushort ct, ushort __user *uct, |
| struct unipair __user *list) |
| { |
| return -EINVAL; |
| } |
| static inline int con_set_default_unimap(struct vc_data *vc) |
| { |
| return 0; |
| } |
| static inline void con_free_unimap(struct vc_data *vc) |
| { |
| } |
| static inline void con_protect_unimap(struct vc_data *vc, int rdonly) |
| { |
| } |
| static inline |
| int con_copy_unimap(struct vc_data *dst_vc, struct vc_data *src_vc) |
| { |
| return 0; |
| } |
| |
| #endif |
| |
| /* vt.c */ |
| void vt_event_post(unsigned int event, unsigned int old, unsigned int new); |
| int vt_waitactive(int n); |
| void change_console(struct vc_data *new_vc); |
| void reset_vc(struct vc_data *vc); |
| int do_unbind_con_driver(const struct consw *csw, int first, int last, |
| int deflt); |
| int vty_init(const struct file_operations *console_fops); |
| |
| extern bool vt_dont_switch; |
| extern int default_utf8; |
| extern int global_cursor_default; |
| |
| struct vt_spawn_console { |
| spinlock_t lock; |
| struct pid *pid; |
| int sig; |
| }; |
| extern struct vt_spawn_console vt_spawn_con; |
| |
| int vt_move_to_console(unsigned int vt, int alloc); |
| |
| /* Interfaces for VC notification of character events (for accessibility etc) */ |
| |
| struct vt_notifier_param { |
| struct vc_data *vc; /* VC on which the update happened */ |
| unsigned int c; /* Printed char */ |
| }; |
| |
| int register_vt_notifier(struct notifier_block *nb); |
| int unregister_vt_notifier(struct notifier_block *nb); |
| |
| void hide_boot_cursor(bool hide); |
| |
| /* keyboard provided interfaces */ |
| int vt_do_diacrit(unsigned int cmd, void __user *up, int eperm); |
| int vt_do_kdskbmode(unsigned int console, unsigned int arg); |
| int vt_do_kdskbmeta(unsigned int console, unsigned int arg); |
| int vt_do_kbkeycode_ioctl(int cmd, struct kbkeycode __user *user_kbkc, |
| int perm); |
| int vt_do_kdsk_ioctl(int cmd, struct kbentry __user *user_kbe, int perm, |
| unsigned int console); |
| int vt_do_kdgkb_ioctl(int cmd, struct kbsentry __user *user_kdgkb, int perm); |
| int vt_do_kdskled(unsigned int console, int cmd, unsigned long arg, int perm); |
| int vt_do_kdgkbmode(unsigned int console); |
| int vt_do_kdgkbmeta(unsigned int console); |
| void vt_reset_unicode(unsigned int console); |
| int vt_get_shift_state(void); |
| void vt_reset_keyboard(unsigned int console); |
| int vt_get_leds(unsigned int console, int flag); |
| int vt_get_kbd_mode_bit(unsigned int console, int bit); |
| void vt_set_kbd_mode_bit(unsigned int console, int bit); |
| void vt_clr_kbd_mode_bit(unsigned int console, int bit); |
| void vt_set_led_state(unsigned int console, int leds); |
| void vt_kbd_con_start(unsigned int console); |
| void vt_kbd_con_stop(unsigned int console); |
| |
| void vc_scrolldelta_helper(struct vc_data *c, int lines, |
| unsigned int rolled_over, void *_base, unsigned int size); |
| |
| #endif /* _VT_KERN_H */ |