home *** CD-ROM | disk | FTP | other *** search
- /*
- * 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
-
- struct vc_data;
- struct console_font_op;
-
- /*
- * this is what the terminal answers to a ESC-Z or csi0c query.
- */
- #define VT100ID "\033[?1;2c"
- #define VT102ID "\033[?6c"
-
- struct consw {
- const char *(*con_startup)(void);
- void (*con_init)(struct vc_data *, int);
- void (*con_deinit)(struct vc_data *);
- void (*con_clear)(struct vc_data *, int, int, int, int);
- void (*con_putc)(struct vc_data *, int, int, int);
- void (*con_putcs)(struct vc_data *, const unsigned short *, int, int, int);
- void (*con_cursor)(struct vc_data *, int);
- int (*con_scroll)(struct vc_data *, int, int, int, int);
- void (*con_bmove)(struct vc_data *, int, int, int, int, int, int);
- int (*con_switch)(struct vc_data *);
- int (*con_blank)(struct vc_data *, int);
- int (*con_font_op)(struct vc_data *, struct console_font_op *);
- int (*con_set_palette)(struct vc_data *, unsigned char *);
- int (*con_scrolldelta)(struct vc_data *, int);
- int (*con_set_origin)(struct vc_data *);
- void (*con_save_screen)(struct vc_data *);
- u8 (*con_build_attr)(struct vc_data *, u8, u8, u8, u8, u8);
- void (*con_invert_region)(struct vc_data *, u16 *, int);
- u16 *(*con_screen_pos)(struct vc_data *, int);
- unsigned long (*con_getxy)(struct vc_data *, unsigned long, int *, int *);
- };
-
- extern struct consw *conswitchp;
-
- extern struct consw dummy_con; /* dummy console buffer */
- extern struct consw fb_con; /* frame buffer based console */
- extern struct consw vga_con; /* VGA text console */
- extern struct consw prom_con; /* SPARC PROM console */
-
- void take_over_console(struct consw *sw, int first, int last, int deflt);
- void give_up_console(struct consw *sw);
-
- /* scroll */
- #define SM_UP (1)
- #define SM_DOWN (2)
-
- /* cursor */
- #define CM_DRAW (1)
- #define CM_ERASE (2)
- #define CM_MOVE (3)
-
- /*
- * Array of consoles built from command line options (console=)
- */
- struct console_cmdline
- {
- char name[8]; /* Name of the driver */
- int index; /* Minor dev. to use */
- char *options; /* Options for the driver */
- };
- #define MAX_CMDLINECONSOLES 8
- extern struct console_cmdline console_list[MAX_CMDLINECONSOLES];
-
- /*
- * The interface for a console, or any other device that
- * wants to capture console messages (printer driver?)
- */
-
- #define CON_PRINTBUFFER (1)
- #define CON_CONSDEV (2) /* Last on the command line */
- #define CON_ENABLED (4)
-
- struct console
- {
- char name[8];
- void (*write)(struct console *, const char *, unsigned);
- int (*read)(struct console *, const char *, unsigned);
- kdev_t (*device)(struct console *);
- int (*wait_key)(struct console *);
- void (*unblank)(void);
- int (*setup)(struct console *, char *);
- short flags;
- short index;
- int cflag;
- struct console *next;
- };
-
- extern void register_console(struct console *);
- extern int unregister_console(struct console *);
- extern struct console *console_drivers;
-
- /* VESA Blanking Levels */
- #define VESA_NO_BLANKING 0
- #define VESA_VSYNC_SUSPEND 1
- #define VESA_HSYNC_SUSPEND 2
- #define VESA_POWERDOWN 3
-
- #endif /* _LINUX_CONSOLE_H */
-