syscons.h revision 33283 
1/*-
2 * Copyright (c) 1995-1997 S�ren Schmidt
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer
10 *    in this position and unchanged.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 * 3. The name of the author may not be used to endorse or promote products
15 *    derived from this software without specific prior written permission
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
21 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
22 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
23 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
24 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
25 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
26 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 *	$Id: syscons.h,v 1.36 1997/11/21 11:37:07 yokota Exp $
29 */
30
31#ifndef _I386_ISA_SYSCONS_H_
32#define	_I386_ISA_SYSCONS_H_
33
34/* vm things */
35#define	ISMAPPED(pa, width) \
36	(((pa) <= (u_long)0x1000 - (width)) \
37	 || ((pa) >= 0xa0000 && (pa) <= 0x100000 - (width)))
38#define	pa_to_va(pa)	(KERNBASE + (pa))	/* works if ISMAPPED(pa...) */
39
40/* printable chars */
41#define PRINTABLE(ch)	((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \
42			 || (ch) < 0x07)
43
44/* macros for "intelligent" screen update */
45#define mark_for_update(scp, x)	{\
46			  	    if ((x) < scp->start) scp->start = (x);\
47				    else if ((x) > scp->end) scp->end = (x);\
48				}
49#define mark_all(scp)		{\
50				    scp->start = 0;\
51				    scp->end = scp->xsize * scp->ysize - 1;\
52				}
53
54/* status flags */
55#define LOCK_KEY_MASK	0x0000F
56#define LED_MASK	0x00007
57#define UNKNOWN_MODE	0x00010
58#define KBD_RAW_MODE	0x00020
59#define KBD_CODE_MODE	0x00040
60#define SWITCH_WAIT_REL	0x00080
61#define SWITCH_WAIT_ACQ	0x00100
62#define BUFFER_SAVED	0x00200
63#define CURSOR_ENABLED 	0x00400
64#define MOUSE_ENABLED	0x00800
65#define MOUSE_MOVED	0x01000
66#define MOUSE_CUTTING	0x02000
67#define MOUSE_VISIBLE	0x04000
68
69/* configuration flags */
70#define VISUAL_BELL	0x00001
71#define BLINK_CURSOR	0x00002
72#define CHAR_CURSOR	0x00004
73#define DETECT_KBD	0x00008
74#define XT_KEYBD	0x00010
75#define KBD_NORESET	0x00020
76
77/* attribute flags */
78#define NORMAL_ATTR             0x00
79#define BLINK_ATTR              0x01
80#define BOLD_ATTR               0x02
81#define UNDERLINE_ATTR          0x04
82#define REVERSE_ATTR            0x08
83#define FOREGROUND_CHANGED      0x10
84#define BACKGROUND_CHANGED      0x20
85
86/* video hardware memory addresses */
87#define VIDEOMEM	0x000A0000
88
89/* misc defines */
90#define FALSE		0
91#define TRUE		1
92#define MAX_ESC_PAR 	5
93#define	LOAD		1
94#define SAVE		0
95#define	COL		80
96#define	ROW		25
97#define BELL_DURATION	5
98#define BELL_PITCH	800
99#define CONSOLE_BUFSIZE 1024
100#define PCBURST		128
101#define FONT_NONE	1
102#define FONT_8		2
103#define FONT_14		4
104#define FONT_16		8
105
106/* defines related to hardware addresses */
107#define	MONO_BASE	0x3B4			/* crt controller base mono */
108#define	COLOR_BASE	0x3D4			/* crt controller base color */
109#define MISC		0x3C2			/* misc output register */
110#define ATC		IO_VGA+0x00		/* attribute controller */
111#define TSIDX		IO_VGA+0x04		/* timing sequencer idx */
112#define TSREG		IO_VGA+0x05		/* timing sequencer data */
113#define PIXMASK		IO_VGA+0x06		/* pixel write mask */
114#define PALRADR		IO_VGA+0x07		/* palette read address */
115#define PALWADR		IO_VGA+0x08		/* palette write address */
116#define PALDATA		IO_VGA+0x09		/* palette data register */
117#define GDCIDX		IO_VGA+0x0E		/* graph data controller idx */
118#define GDCREG		IO_VGA+0x0F		/* graph data controller data */
119
120/* special characters */
121#define cntlc		0x03
122#define cntld		0x04
123#define bs		0x08
124#define lf		0x0a
125#define cr		0x0d
126#define del		0x7f
127
128#define DEAD_CHAR 	0x07			/* char used for cursor */
129
130typedef struct term_stat {
131	int 		esc;			/* processing escape sequence */
132	int 		num_param;		/* # of parameters to ESC */
133	int	 	last_param;		/* last parameter # */
134	int 		param[MAX_ESC_PAR];	/* contains ESC parameters */
135	int             cur_attr;               /* current hardware attr word */
136	int             attr_mask;              /* current logical attr mask */
137	int             cur_color;              /* current hardware color */
138	int             std_color;              /* normal hardware color */
139	int             rev_color;              /* reverse hardware color */
140} term_stat;
141
142typedef struct scr_stat {
143	u_short 	*scr_buf;		/* buffer when off screen */
144	int 		xpos;			/* current X position */
145	int 		ypos;			/* current Y position */
146	int             saved_xpos;             /* saved X position */
147	int             saved_ypos;             /* saved Y position */
148	int 		xsize;			/* X text size */
149	int 		ysize;			/* Y text size */
150	int 		xpixel;			/* X graphics size */
151	int 		ypixel;			/* Y graphics size */
152	int		font_size;		/* fontsize in Y direction */
153	int		start;			/* modified area start */
154	int		end;			/* modified area end */
155	term_stat 	term;			/* terminal emulation stuff */
156	int	 	status;			/* status (bitfield) */
157	u_short 	*cursor_pos;		/* cursor buffer position */
158	u_short 	*cursor_oldpos;		/* cursor old buffer position */
159	u_short		cursor_saveunder;	/* saved chars under cursor */
160	char		cursor_start;		/* cursor start line # */
161	char		cursor_end;		/* cursor end line # */
162	u_short		*mouse_pos;		/* mouse buffer position */
163	u_short		*mouse_oldpos;		/* mouse old buffer position */
164	short		mouse_xpos;		/* mouse x coordinate */
165	short		mouse_ypos;		/* mouse y coordinate */
166	short		mouse_buttons;		/* mouse buttons */
167	u_char		mouse_cursor[128];	/* mouse cursor bitmap store */
168	u_short		*mouse_cut_start;	/* mouse cut start pos */
169	u_short		*mouse_cut_end;		/* mouse cut end pos */
170	struct proc 	*mouse_proc;		/* proc* of controlling proc */
171	pid_t 		mouse_pid;		/* pid of controlling proc */
172	int		mouse_signal;		/* signal # to report with */
173	u_short		bell_duration;
174	u_short		bell_pitch;
175	u_char		border;			/* border color */
176	u_char	 	initial_mode;		/* initial mode */
177	u_char	 	mode;			/* mode */
178	pid_t 		pid;			/* pid of controlling proc */
179	struct proc 	*proc;			/* proc* of controlling proc */
180	struct vt_mode 	smode;			/* switch mode */
181	u_short		*history;		/* circular history buffer */
182	u_short		*history_head;		/* current head position */
183	u_short		*history_pos;		/* position shown on screen */
184	u_short		*history_save;		/* save area index */
185	int		history_size;		/* size of history buffer */
186	struct apmhook  r_hook;			/* reconfiguration support */
187} scr_stat;
188
189typedef struct default_attr {
190	int             std_color;              /* normal hardware color */
191	int             rev_color;              /* reverse hardware color */
192} default_attr;
193
194/* misc prototypes used by different syscons related LKM's */
195void set_border(u_char color);
196void set_mode(scr_stat *scp);
197void copy_font(int operation, int font_type, char* font_image);
198void load_palette(char *palette);
199int add_scrn_saver(void (*this)(int));
200int remove_scrn_saver(void (*this)(int));
201
202#endif /* !_I386_ISA_SYSCONS_H_ */
203