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/*
* linux/include/linux/console.h
*
* Copyright (C) 1993 Hamish Macdonald
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*
* Changed:
* 10-Mar-94: Arno Griffioen: Conversion for vt100 emulator port from PC LINUX
*/
#ifndef _LINUX_CONSOLE_H_
#define _LINUX_CONSOLE_H_ 1
#define NPAR 16
struct vc_data;
/*
* this is what the terminal answers to a ESC-Z or csi0c query.
*/
#define VT100ID "\033[?1;2c"
#define VT102ID "\033[?6c"
/* DPC: 1994-04-13 !!! con_putcs is new entry !!! */
struct consw {
unsigned long (*con_startup)(unsigned long, char **);
void (*con_init)(struct vc_data *);
int (*con_deinit)(struct vc_data *);
int (*con_clear)(struct vc_data *, int, int, int, int);
int (*con_putc)(struct vc_data *, int, int, int);
int (*con_putcs)(struct vc_data *, const char *, int, int, int);
int (*con_cursor)(struct vc_data *, int);
int (*con_scroll)(struct vc_data *, int, int, int, int);
int (*con_bmove)(struct vc_data *, int, int, int, int, int, int);
int (*con_switch)(struct vc_data *);
int (*con_blank)(int);
int (*con_get_font)(struct vc_data *, int *, int *, char *);
int (*con_set_font)(struct vc_data *, int, int, char *);
};
extern struct consw *conswitchp;
/* flag bits */
#define CON_INITED (1)
/* scroll */
#define SM_UP (1)
#define SM_DOWN (2)
#define SM_LEFT (3)
#define SM_RIGHT (4)
/* cursor */
#define CM_DRAW (1)
#define CM_ERASE (2)
#define CM_MOVE (3)
struct tty_struct;
int tioclinux(struct tty_struct *tty, unsigned long arg);
/* The interface for /dev/console(s) and printk output */
struct console
{
/*
* This function should not return before the string is written.
*/
void (*write)(const char*, unsigned);
/* To unblank the console in case of panic */
void (*unblank)(void);
/*
* Only the console that was registered last with wait_key !=
* NULL will be used. This blocks until there is a character
* to give back, it does not schedule.
*/
void (*wait_key)(void);
/*
* Return the device to use when opening /dev/console. Only the
* last registered console will do.
*/
int (*device)(void);
/*
* For a linked list of consoles for multiple output. Any console
* not at the head of the list is used only for output.
*/
struct console *next;
};
extern void register_console(struct console *);
extern struct console *console_drivers;
#endif /* linux/console.h */
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