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