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422 giacomo 1
#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/config.h>
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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/console_struct.h>
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/*
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 * Presently, a lot of graphics programs do not restore the contents of
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 * the higher font pages.  Defining this flag will avoid use of them, but
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 * will lose support for PIO_FONTRESET.  Note that many font operations are
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 * not likely to work with these programs anyway; they need to be
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 * fixed.  The linux/Documentation directory includes a code snippet
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 * to save and restore the text font.
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 */
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#ifdef CONFIG_VGA_CONSOLE
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#define BROKEN_GRAPHICS_PROGRAMS 1
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#endif
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extern struct vt_struct {
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        int vc_num;                             /* The console number */
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        unsigned char   vc_mode;                /* KD_TEXT, ... */
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        struct vt_mode  vt_mode;
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        int             vt_pid;
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        int             vt_newvt;
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        wait_queue_head_t paste_wait;
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} *vt_cons[MAX_NR_CONSOLES];
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extern void kd_mksound(unsigned int hz, unsigned int ticks);
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extern int kbd_rate(struct kbd_repeat *rep);
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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(int currcons, unsigned int cols, unsigned int lines);
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void vc_disallocate(unsigned int console);
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void reset_palette(int currcons);
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void set_palette(int currcons);
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void do_blank_screen(int gfx_mode);
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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(int currcons, struct console_font_op *op);
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int con_set_cmap(unsigned char *cmap);
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int con_get_cmap(unsigned char *cmap);
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void scrollback(int);
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void scrollfront(int);
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void update_region(int currcons, unsigned long start, int count);
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void redraw_screen(int new_console, 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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/* consolemap.c */
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struct unimapinit;
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struct unipair;
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int con_set_trans_old(unsigned char * table);
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int con_get_trans_old(unsigned char * table);
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int con_set_trans_new(unsigned short * table);
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int con_get_trans_new(unsigned short * table);
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int con_clear_unimap(int currcons, struct unimapinit *ui);
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int con_set_unimap(int currcons, ushort ct, struct unipair *list);
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int con_get_unimap(int currcons, ushort ct, ushort *uct, struct unipair *list);
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int con_set_default_unimap(int currcons);
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void con_free_unimap(int currcons);
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void con_protect_unimap(int currcons, int rdonly);
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int con_copy_unimap(int dstcons, int srccons);
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/* vt.c */
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void complete_change_console(unsigned int new_console);
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int vt_waitactive(int vt);
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void change_console(unsigned int);
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void reset_vc(unsigned int new_console);
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#endif /* _VT_KERN_H */