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/*-
* Copyright (c) 1995-1998 Søren Schmidt
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer,
* without modification, immediately at the beginning of the file.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $Id: syscons.h,v 1.44 1998/10/01 11:39:18 yokota Exp $
*/
#ifndef _DEV_SYSCONS_SYSCONS_H_
#define _DEV_SYSCONS_SYSCONS_H_
/* vm things */
#define ISMAPPED(pa, width) \
(((pa) <= (u_long)0x1000 - (width)) \
|| ((pa) >= 0xa0000 && (pa) <= 0x100000 - (width)))
#define pa_to_va(pa) (KERNBASE + (pa)) /* works if ISMAPPED(pa...) */
/* printable chars */
#define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \
|| (ch) < 0x07)
/* macros for "intelligent" screen update */
#define mark_for_update(scp, x) {\
if ((x) < scp->start) scp->start = (x);\
else if ((x) > scp->end) scp->end = (x);\
}
#define mark_all(scp) {\
scp->start = 0;\
scp->end = scp->xsize * scp->ysize - 1;\
}
/* status flags */
#define UNKNOWN_MODE 0x00010
#define SWITCH_WAIT_REL 0x00080
#define SWITCH_WAIT_ACQ 0x00100
#define BUFFER_SAVED 0x00200
#define CURSOR_ENABLED 0x00400
#define MOUSE_ENABLED 0x00800
#define MOUSE_MOVED 0x01000
#define MOUSE_CUTTING 0x02000
#define MOUSE_VISIBLE 0x04000
#define GRAPHICS_MODE 0x08000
#define PIXEL_MODE 0x10000
#define SAVER_RUNNING 0x20000
/* configuration flags */
#define VISUAL_BELL 0x00001
#define BLINK_CURSOR 0x00002
#define CHAR_CURSOR 0x00004
/* these options are now obsolete; use corresponding options for kbd driver */
#if 0
#define DETECT_KBD 0x00008
#define XT_KEYBD 0x00010
#define KBD_NORESET 0x00020
#endif
#define QUIET_BELL 0x00040
#define VESA800X600 0x00080
#define AUTODETECT_KBD 0x00100
/* attribute flags */
#define NORMAL_ATTR 0x00
#define BLINK_ATTR 0x01
#define BOLD_ATTR 0x02
#define UNDERLINE_ATTR 0x04
#define REVERSE_ATTR 0x08
#define FOREGROUND_CHANGED 0x10
#define BACKGROUND_CHANGED 0x20
/* misc defines */
#define FALSE 0
#define TRUE 1
#define MAX_ESC_PAR 5
#define LOAD 1
#define SAVE 0
#define COL 80
#define ROW 25
#define BELL_DURATION 5
#define BELL_PITCH 800
#define CONSOLE_BUFSIZE 1024
#define PCBURST 128
#define FONT_NONE 1
#define FONT_8 2
#define FONT_14 4
#define FONT_16 8
/* special characters */
#define cntlc 0x03
#define cntld 0x04
#define bs 0x08
#define lf 0x0a
#define cr 0x0d
#define del 0x7f
#define DEAD_CHAR 0x07 /* char used for cursor */
typedef struct term_stat {
int esc; /* processing escape sequence */
int num_param; /* # of parameters to ESC */
int last_param; /* last parameter # */
int param[MAX_ESC_PAR]; /* contains ESC parameters */
int cur_attr; /* current hardware attr word */
int attr_mask; /* current logical attr mask */
int cur_color; /* current hardware color */
int std_color; /* normal hardware color */
int rev_color; /* reverse hardware color */
} term_stat;
typedef struct scr_stat {
int ad; /* video adapter index */
video_adapter_t *adp; /* video adapter structure */
u_short *scr_buf; /* buffer when off screen */
int xpos; /* current X position */
int ypos; /* current Y position */
int saved_xpos; /* saved X position */
int saved_ypos; /* saved Y position */
int xsize; /* X text size */
int ysize; /* Y text size */
int xpixel; /* X graphics size */
int ypixel; /* Y graphics size */
int xoff; /* X offset in pixel mode */
int yoff; /* Y offset in pixel mode */
int font_size; /* fontsize in Y direction */
int start; /* modified area start */
int end; /* modified area end */
term_stat term; /* terminal emulation stuff */
int status; /* status (bitfield) */
int kbd_mode; /* keyboard I/O mode */
u_short *cursor_pos; /* cursor buffer position */
u_short *cursor_oldpos; /* cursor old buffer position */
u_short cursor_saveunder; /* saved chars under cursor */
char cursor_start; /* cursor start line # */
char cursor_end; /* cursor end line # */
u_short *mouse_pos; /* mouse buffer position */
u_short *mouse_oldpos; /* mouse old buffer position */
short mouse_xpos; /* mouse x coordinate */
short mouse_ypos; /* mouse y coordinate */
short mouse_buttons; /* mouse buttons */
u_char mouse_cursor[128]; /* mouse cursor bitmap store */
u_short *mouse_cut_start; /* mouse cut start pos */
u_short *mouse_cut_end; /* mouse cut end pos */
struct proc *mouse_proc; /* proc* of controlling proc */
pid_t mouse_pid; /* pid of controlling proc */
int mouse_signal; /* signal # to report with */
u_short bell_duration;
u_short bell_pitch;
u_char border; /* border color */
int mode; /* mode */
pid_t pid; /* pid of controlling proc */
struct proc *proc; /* proc* of controlling proc */
struct vt_mode smode; /* switch mode */
u_short *history; /* circular history buffer */
u_short *history_head; /* current head position */
u_short *history_pos; /* position shown on screen */
u_short *history_save; /* save area index */
int history_size; /* size of history buffer */
struct apmhook r_hook; /* reconfiguration support */
int splash_save_mode; /* saved mode for splash screen */
int splash_save_status; /* saved status for splash screen */
} scr_stat;
typedef struct default_attr {
int std_color; /* normal hardware color */
int rev_color; /* reverse hardware color */
} default_attr;
#define ISTEXTSC(scp) (!((scp)->status \
& (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE)))
#define ISGRAPHSC(scp) (((scp)->status \
& (UNKNOWN_MODE | GRAPHICS_MODE)))
#define ISPIXELSC(scp) (((scp)->status \
& (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\
== PIXEL_MODE)
#define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE)
#define ISFONTAVAIL(af) ((af) & V_ADP_FONT)
#define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT)
#define ISPALAVAIL(af) ((af) & V_ADP_PALETTE)
/* misc prototypes used by different syscons related LKM's */
/* syscons.c */
extern int (*sc_user_ioctl)(dev_t dev, u_long cmd, caddr_t data, int flag,
struct proc *p);
int set_mode(scr_stat *scp);
scr_stat *sc_get_scr_stat(dev_t dev);
void copy_font(scr_stat *scp, int operation, int font_size, u_char *font_image);
void set_border(scr_stat *scp, int color);
#define save_palette(adp, pal) \
(*vidsw[(adp)->va_index]->save_palette)((adp), (pal))
#define load_palette(adp, pal) \
(*vidsw[(adp)->va_index]->load_palette)((adp), (pal))
void sc_touch_scrn_saver(void);
void sc_clear_screen(scr_stat *scp);
void sc_move_mouse(scr_stat *scp, int x, int y);
int sc_clean_up(scr_stat *scp);
void sc_alloc_scr_buffer(scr_stat *scp, int wait, int clear);
void sc_alloc_cut_buffer(scr_stat *scp, int wait);
void sc_alloc_history_buffer(scr_stat *scp, int lines, int extra, int wait);
struct tty *scdevtotty(dev_t dev);
/* scvidctl.c */
int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode,
int xsize, int ysize, int fontsize);
int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode);
int sc_set_pixel_mode(scr_stat *scp, struct tty *tp,
int xsize, int ysize, int fontsize);
int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag,
struct proc *p);
#endif /* !_DEV_SYSCONS_SYSCONS_H_ */
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