vt_kern.h
上传用户:lgb322
上传日期:2013-02-24
资源大小:30529k
文件大小:3k
- #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/config.h>
- #include <linux/vt.h>
- #include <linux/kd.h>
- /*
- * Presently, a lot of graphics programs do not restore the contents of
- * the higher font pages. Defining this flag will avoid use of them, but
- * will lose support for PIO_FONTRESET. Note that many font operations are
- * not likely to work with these programs anyway; they need to be
- * fixed. The linux/Documentation directory includes a code snippet
- * to save and restore the text font.
- */
- #ifdef CONFIG_VGA_CONSOLE
- #define BROKEN_GRAPHICS_PROGRAMS 1
- #endif
- extern struct vt_struct {
- int vc_num; /* The console number */
- unsigned char vc_mode; /* KD_TEXT, ... */
- struct vt_mode vt_mode;
- int vt_pid;
- int vt_newvt;
- wait_queue_head_t paste_wait;
- } *vt_cons[MAX_NR_CONSOLES];
- extern void (*kd_mksound)(unsigned int hz, unsigned int ticks);
- extern int (*kbd_rate)(struct kbd_repeat *rep);
- /* console.c */
- struct console_font_op;
- int vc_allocate(unsigned int console);
- int vc_cons_allocated(unsigned int console);
- int vc_resize(unsigned int lines, unsigned int cols,
- unsigned int first, unsigned int last);
- #define vc_resize_all(l, c) vc_resize(l, c, 0, MAX_NR_CONSOLES-1)
- #define vc_resize_con(l, c, x) vc_resize(l, c, x, x)
- void vc_disallocate(unsigned int console);
- void reset_palette(int currcons);
- void set_palette(int currcons);
- void do_blank_screen(int gfx_mode);
- void unblank_screen(void);
- void poke_blanked_console(void);
- int con_font_op(int currcons, struct console_font_op *op);
- int con_set_cmap(unsigned char *cmap);
- int con_get_cmap(unsigned char *cmap);
- void scrollback(int);
- void scrollfront(int);
- void update_region(int currcons, unsigned long start, int count);
- void redraw_screen(int new_console, 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);
- /* consolemap.c */
- struct unimapinit;
- struct unipair;
- int con_set_trans_old(unsigned char * table);
- int con_get_trans_old(unsigned char * table);
- int con_set_trans_new(unsigned short * table);
- int con_get_trans_new(unsigned short * table);
- int con_clear_unimap(int currcons, struct unimapinit *ui);
- int con_set_unimap(int currcons, ushort ct, struct unipair *list);
- int con_get_unimap(int currcons, ushort ct, ushort *uct, struct unipair *list);
- int con_set_default_unimap(int currcons);
- void con_free_unimap(int currcons);
- void con_protect_unimap(int currcons, int rdonly);
- int con_copy_unimap(int dstcons, int srccons);
- /* vt.c */
- extern unsigned int video_font_height;
- extern unsigned int default_font_height;
- extern unsigned int video_scan_lines;
- void complete_change_console(unsigned int new_console);
- int vt_waitactive(int vt);
- void change_console(unsigned int);
- void reset_vc(unsigned int new_console);
- int vt_waitactive(int vt);
- #endif /* _VT_KERN_H */