syscons.h revision 132199
1/*-
2 * Copyright (c) 1995-1998 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 *    without modification, immediately at the beginning of the file.
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 * $FreeBSD: head/sys/dev/syscons/syscons.h 132199 2004-07-15 08:26:07Z phk $
29 */
30
31#ifndef _DEV_SYSCONS_SYSCONS_H_
32#define	_DEV_SYSCONS_SYSCONS_H_
33
34/* machine-dependent part of the header */
35
36#ifdef PC98
37#include <pc98/pc98/sc_machdep.h>
38#elif defined(__i386__)
39/* nothing for the moment */
40#elif defined(__alpha__)
41/* nothing for the moment */
42#endif
43
44/* default values for configuration options */
45
46#ifndef MAXCONS
47#define MAXCONS		16
48#endif
49
50#ifdef SC_NO_SYSMOUSE
51#undef SC_NO_CUTPASTE
52#define SC_NO_CUTPASTE	1
53#endif
54
55#ifdef SC_NO_MODE_CHANGE
56#undef SC_PIXEL_MODE
57#endif
58
59/* Always load font data if the pixel (raster text) mode is to be used. */
60#ifdef SC_PIXEL_MODE
61#undef SC_NO_FONT_LOADING
62#endif
63
64/*
65 * If font data is not available, the `arrow'-shaped mouse cursor cannot
66 * be drawn.  Use the alternative drawing method.
67 */
68#ifdef SC_NO_FONT_LOADING
69#undef SC_ALT_MOUSE_IMAGE
70#define SC_ALT_MOUSE_IMAGE 1
71#endif
72
73#ifndef SC_CURSOR_CHAR
74#define SC_CURSOR_CHAR	(0x07)
75#endif
76
77#ifndef SC_MOUSE_CHAR
78#define SC_MOUSE_CHAR	(0xd0)
79#endif
80
81#if SC_MOUSE_CHAR <= SC_CURSOR_CHAR && SC_CURSOR_CHAR < (SC_MOUSE_CHAR + 4)
82#undef SC_CURSOR_CHAR
83#define SC_CURSOR_CHAR	(SC_MOUSE_CHAR + 4)
84#endif
85
86#ifndef SC_DEBUG_LEVEL
87#define SC_DEBUG_LEVEL	0
88#endif
89
90#define DPRINTF(l, p)	if (SC_DEBUG_LEVEL >= (l)) printf p
91
92#define SC_DRIVER_NAME	"sc"
93#define SC_VTY(dev)	minor(dev)
94#define SC_DEV(sc, vty)	((sc)->dev[(vty) - (sc)->first_vty])
95#define SC_STAT(dev)	((scr_stat *)(dev)->si_drv1)
96
97/* printable chars */
98#ifndef PRINTABLE
99#define PRINTABLE(ch)	((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \
100			 || (ch) < 0x07)
101#endif
102
103/* macros for "intelligent" screen update */
104#define mark_for_update(scp, x)	{\
105			  	    if ((x) < scp->start) scp->start = (x);\
106				    else if ((x) > scp->end) scp->end = (x);\
107				}
108#define mark_all(scp)		{\
109				    scp->start = 0;\
110				    scp->end = scp->xsize * scp->ysize - 1;\
111				}
112
113/* vty status flags (scp->status) */
114#define UNKNOWN_MODE	0x00010		/* unknown video mode */
115#define SWITCH_WAIT_REL	0x00080		/* waiting for vty release */
116#define SWITCH_WAIT_ACQ	0x00100		/* waiting for vty ack */
117#define BUFFER_SAVED	0x00200		/* vty buffer is saved */
118#define CURSOR_ENABLED 	0x00400		/* text cursor is enabled */
119#define MOUSE_MOVED	0x01000		/* mouse cursor has moved */
120#define MOUSE_CUTTING	0x02000		/* mouse cursor is cutting text */
121#define MOUSE_VISIBLE	0x04000		/* mouse cursor is showing */
122#define GRAPHICS_MODE	0x08000		/* vty is in a graphics mode */
123#define PIXEL_MODE	0x10000		/* vty is in a raster text mode */
124#define SAVER_RUNNING	0x20000		/* screen saver is running */
125#define VR_CURSOR_BLINK	0x40000		/* blinking text cursor */
126#define VR_CURSOR_ON	0x80000		/* text cursor is on */
127#define MOUSE_HIDDEN	0x100000	/* mouse cursor is temporarily hidden */
128
129/* misc defines */
130#define FALSE		0
131#define TRUE		1
132
133/*
134   The following #defines are hard-coded for a maximum text
135   resolution corresponding to a maximum framebuffer
136   resolution of 1600x1200 with an 8x8 font...
137*/
138#define	COL		200
139#define	ROW		150
140
141#define PCBURST		128
142
143#ifndef BELL_DURATION
144#define BELL_DURATION	((5 * hz + 99) / 100)
145#define BELL_PITCH	800
146#endif
147
148/* virtual terminal buffer */
149typedef struct sc_vtb {
150	int		vtb_flags;
151#define VTB_VALID	(1 << 0)
152#define VTB_ALLOCED	(1 << 1)
153	int		vtb_type;
154#define VTB_INVALID	0
155#define VTB_MEMORY	1
156#define VTB_FRAMEBUFFER	2
157#define VTB_RINGBUFFER	3
158	int		vtb_cols;
159	int		vtb_rows;
160	int		vtb_size;
161	vm_offset_t	vtb_buffer;
162	int		vtb_tail;	/* valid for VTB_RINGBUFFER only */
163} sc_vtb_t;
164
165/* text cursor attributes */
166struct cursor_attr {
167	int		flags;
168	int		base;
169	int		height;
170};
171
172/* softc */
173
174struct keyboard;
175struct video_adapter;
176struct scr_stat;
177struct tty;
178
179typedef struct sc_softc {
180	int		unit;			/* unit # */
181	int		config;			/* configuration flags */
182#define SC_VESA800X600	(1 << 7)
183#define SC_AUTODETECT_KBD (1 << 8)
184#define SC_KERNEL_CONSOLE (1 << 9)
185
186	int		flags;			/* status flags */
187#define SC_VISUAL_BELL	(1 << 0)
188#define SC_QUIET_BELL	(1 << 1)
189#if 0 /* not used anymore */
190#define SC_BLINK_CURSOR	(1 << 2)
191#define SC_CHAR_CURSOR	(1 << 3)
192#endif
193#define SC_MOUSE_ENABLED (1 << 4)
194#define	SC_SCRN_IDLE	(1 << 5)
195#define	SC_SCRN_BLANKED	(1 << 6)
196#define	SC_SAVER_FAILED	(1 << 7)
197#define	SC_SCRN_VTYLOCK	(1 << 8)
198
199#define	SC_INIT_DONE	(1 << 16)
200#define	SC_SPLASH_SCRN	(1 << 17)
201
202	int		keyboard;		/* -1 if unavailable */
203	struct keyboard	*kbd;
204
205	int		adapter;
206	struct video_adapter *adp;
207	int		initial_mode;		/* initial video mode */
208
209	int		first_vty;
210	int		vtys;
211	struct cdev **dev;
212	struct scr_stat	*cur_scp;
213	struct scr_stat	*new_scp;
214	struct scr_stat	*old_scp;
215	int     	delayed_next_scr;
216
217	char        	font_loading_in_progress;
218	char        	switch_in_progress;
219	char        	videoio_in_progress;
220	char        	write_in_progress;
221	char        	blink_in_progress;
222
223	long		scrn_time_stamp;
224
225	struct cursor_attr dflt_curs_attr;
226	struct cursor_attr curs_attr;
227
228	u_char      	scr_map[256];
229	u_char      	scr_rmap[256];
230
231#ifdef _SC_MD_SOFTC_DECLARED_
232	sc_md_softc_t	md;			/* machine dependent vars */
233#endif
234
235#ifndef SC_NO_PALETTE_LOADING
236	u_char        	palette[256*3];
237#endif
238
239#ifndef SC_NO_FONT_LOADING
240	int     	fonts_loaded;
241#define FONT_8		2
242#define FONT_14		4
243#define FONT_16		8
244	u_char		*font_8;
245	u_char		*font_14;
246	u_char		*font_16;
247#endif
248
249	u_char		cursor_char;
250	u_char		mouse_char;
251
252} sc_softc_t;
253
254/* virtual screen */
255typedef struct scr_stat {
256	int		index;			/* index of this vty */
257	struct sc_softc *sc;			/* pointer to softc */
258	struct sc_rndr_sw *rndr;		/* renderer */
259#ifndef __sparc64__
260	sc_vtb_t	scr;
261#endif
262	sc_vtb_t	vtb;
263
264	int 		xpos;			/* current X position */
265	int 		ypos;			/* current Y position */
266	int 		xsize;			/* X text size */
267	int 		ysize;			/* Y text size */
268	int 		xpixel;			/* X graphics size */
269	int 		ypixel;			/* Y graphics size */
270	int		xoff;			/* X offset in pixel mode */
271	int		yoff;			/* Y offset in pixel mode */
272
273	u_char		*font;			/* current font */
274	int		font_size;		/* fontsize in Y direction */
275	int		font_width;		/* fontsize in X direction */
276
277	int		start;			/* modified area start */
278	int		end;			/* modified area end */
279
280	struct sc_term_sw *tsw;
281	void		*ts;
282
283	int	 	status;			/* status (bitfield) */
284	int		kbd_mode;		/* keyboard I/O mode */
285
286	int		cursor_pos;		/* cursor buffer position */
287	int		cursor_oldpos;		/* cursor old buffer position */
288	u_short		cursor_saveunder_char;	/* saved char under cursor */
289	u_short		cursor_saveunder_attr;	/* saved attr under cursor */
290	struct cursor_attr dflt_curs_attr;
291	struct cursor_attr curr_curs_attr;
292	struct cursor_attr curs_attr;
293
294	int		mouse_pos;		/* mouse buffer position */
295	int		mouse_oldpos;		/* mouse old buffer position */
296	short		mouse_xpos;		/* mouse x coordinate */
297	short		mouse_ypos;		/* mouse y coordinate */
298	short		mouse_oldxpos;		/* mouse previous x coordinate */
299	short		mouse_oldypos;		/* mouse previous y coordinate */
300	short		mouse_buttons;		/* mouse buttons */
301	int		mouse_cut_start;	/* mouse cut start pos */
302	int		mouse_cut_end;		/* mouse cut end pos */
303	struct proc 	*mouse_proc;		/* proc* of controlling proc */
304	pid_t 		mouse_pid;		/* pid of controlling proc */
305	int		mouse_signal;		/* signal # to report with */
306
307	u_short		bell_duration;
308	u_short		bell_pitch;
309
310	u_char		border;			/* border color */
311	int	 	mode;			/* mode */
312	pid_t 		pid;			/* pid of controlling proc */
313	struct proc 	*proc;			/* proc* of controlling proc */
314	struct vt_mode 	smode;			/* switch mode */
315
316	sc_vtb_t	*history;		/* circular history buffer */
317	int		history_pos;		/* position shown on screen */
318	int		history_size;		/* size of history buffer */
319
320	int		splash_save_mode;	/* saved mode for splash screen */
321	int		splash_save_status;	/* saved status for splash screen */
322#ifdef _SCR_MD_STAT_DECLARED_
323	scr_md_stat_t	md;			/* machine dependent vars */
324#endif
325} scr_stat;
326
327#ifndef SC_NORM_ATTR
328#define SC_NORM_ATTR		(FG_LIGHTGREY | BG_BLACK)
329#endif
330#ifndef SC_NORM_REV_ATTR
331#define SC_NORM_REV_ATTR	(FG_BLACK | BG_LIGHTGREY)
332#endif
333#ifndef SC_KERNEL_CONS_ATTR
334#define SC_KERNEL_CONS_ATTR	(FG_WHITE | BG_BLACK)
335#endif
336#ifndef SC_KERNEL_CONS_REV_ATTR
337#define SC_KERNEL_CONS_REV_ATTR	(FG_BLACK | BG_LIGHTGREY)
338#endif
339
340/* terminal emulator */
341
342#ifndef SC_DFLT_TERM
343#define SC_DFLT_TERM	"*"			/* any */
344#endif
345
346typedef int	sc_term_init_t(scr_stat *scp, void **tcp, int code);
347#define SC_TE_COLD_INIT	0
348#define SC_TE_WARM_INIT	1
349typedef int	sc_term_term_t(scr_stat *scp, void **tcp);
350typedef void	sc_term_puts_t(scr_stat *scp, u_char *buf, int len);
351typedef int	sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd,
352				caddr_t data, int flag, struct thread *td);
353typedef int	sc_term_reset_t(scr_stat *scp, int code);
354#define SC_TE_HARD_RESET 0
355#define SC_TE_SOFT_RESET 1
356typedef void	sc_term_default_attr_t(scr_stat *scp, int norm, int rev);
357typedef void	sc_term_clear_t(scr_stat *scp);
358typedef void	sc_term_notify_t(scr_stat *scp, int event);
359#define SC_TE_NOTIFY_VTSWITCH_IN	0
360#define SC_TE_NOTIFY_VTSWITCH_OUT	1
361typedef int	sc_term_input_t(scr_stat *scp, int c, struct tty *tp);
362
363typedef struct sc_term_sw {
364	LIST_ENTRY(sc_term_sw)	link;
365	char 			*te_name;	/* name of the emulator */
366	char 			*te_desc;	/* description */
367	char 			*te_renderer;	/* matching renderer */
368	size_t			te_size;	/* size of internal buffer */
369	int			te_refcount;	/* reference counter */
370	sc_term_init_t		*te_init;
371	sc_term_term_t		*te_term;
372	sc_term_puts_t		*te_puts;
373	sc_term_ioctl_t		*te_ioctl;
374	sc_term_reset_t		*te_reset;
375	sc_term_default_attr_t	*te_default_attr;
376	sc_term_clear_t		*te_clear;
377	sc_term_notify_t	*te_notify;
378	sc_term_input_t		*te_input;
379} sc_term_sw_t;
380
381#define SCTERM_MODULE(name, sw)					\
382	DATA_SET(scterm_set, sw);				\
383	static int						\
384	scterm_##name##_event(module_t mod, int type, void *data) \
385	{							\
386		switch (type) {					\
387		case MOD_LOAD:					\
388			return sc_term_add(&sw);		\
389		case MOD_UNLOAD:				\
390			if (sw.te_refcount > 0)			\
391				return EBUSY;			\
392			return sc_term_remove(&sw);		\
393		default:					\
394			return EOPNOTSUPP;			\
395			break;					\
396		}						\
397		return 0;					\
398	}							\
399	static moduledata_t scterm_##name##_mod = {		\
400		"scterm-" #name,				\
401		scterm_##name##_event,				\
402		NULL,						\
403	};							\
404	DECLARE_MODULE(scterm_##name, scterm_##name##_mod,	\
405		       SI_SUB_DRIVERS, SI_ORDER_MIDDLE)
406
407/* renderer function table */
408typedef void	vr_clear_t(scr_stat *scp, int c, int attr);
409typedef void	vr_draw_border_t(scr_stat *scp, int color);
410typedef void	vr_draw_t(scr_stat *scp, int from, int count, int flip);
411typedef void	vr_set_cursor_t(scr_stat *scp, int base, int height, int blink);
412typedef void	vr_draw_cursor_t(scr_stat *scp, int at, int blink,
413				 int on, int flip);
414typedef void	vr_blink_cursor_t(scr_stat *scp, int at, int flip);
415typedef void	vr_set_mouse_t(scr_stat *scp);
416typedef void	vr_draw_mouse_t(scr_stat *scp, int x, int y, int on);
417
418typedef struct sc_rndr_sw {
419	vr_clear_t		*clear;
420	vr_draw_border_t	*draw_border;
421	vr_draw_t		*draw;
422	vr_set_cursor_t		*set_cursor;
423	vr_draw_cursor_t	*draw_cursor;
424	vr_blink_cursor_t	*blink_cursor;
425	vr_set_mouse_t		*set_mouse;
426	vr_draw_mouse_t		*draw_mouse;
427} sc_rndr_sw_t;
428
429typedef struct sc_renderer {
430	char			*name;
431	int			mode;
432	sc_rndr_sw_t		*rndrsw;
433	LIST_ENTRY(sc_renderer)	link;
434} sc_renderer_t;
435
436#define RENDERER(name, mode, sw, set)				\
437	static struct sc_renderer scrndr_##name##_##mode = {	\
438		#name, mode, &sw				\
439	};							\
440	DATA_SET(scrndr_set, scrndr_##name##_##mode);		\
441	DATA_SET(set, scrndr_##name##_##mode)
442
443#define RENDERER_MODULE(name, set)				\
444	SET_DECLARE(set, sc_renderer_t);			\
445	static int						\
446	scrndr_##name##_event(module_t mod, int type, void *data) \
447	{							\
448		sc_renderer_t **list;				\
449		int error = 0;					\
450		switch (type) {					\
451		case MOD_LOAD:					\
452			SET_FOREACH(list, set) {		\
453				error = sc_render_add(*list);	\
454				if (error)			\
455					break;			\
456			}					\
457			break;					\
458		case MOD_UNLOAD:				\
459			SET_FOREACH(list, set) {		\
460				error = sc_render_remove(*list);\
461				if (error)			\
462					break;			\
463			}					\
464			break;					\
465		default:					\
466			return EOPNOTSUPP;			\
467			break;					\
468		}						\
469		return error;					\
470	}							\
471	static moduledata_t scrndr_##name##_mod = {		\
472		"scrndr-" #name,				\
473		scrndr_##name##_event,				\
474		NULL,						\
475	};							\
476	DECLARE_MODULE(scrndr_##name, scrndr_##name##_mod, 	\
477		       SI_SUB_DRIVERS, SI_ORDER_MIDDLE)
478
479typedef struct {
480	int		cursor_start;
481	int		cursor_end;
482	int		shift_state;
483	int		bell_pitch;
484} bios_values_t;
485
486/* other macros */
487#define ISTEXTSC(scp)	(!((scp)->status 				\
488			  & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE)))
489#define ISGRAPHSC(scp)	(((scp)->status 				\
490			  & (UNKNOWN_MODE | GRAPHICS_MODE)))
491#define ISPIXELSC(scp)	(((scp)->status 				\
492			  & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\
493			  == PIXEL_MODE)
494#define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE)
495
496#define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT)
497#define ISFONTAVAIL(af)	((af) & V_ADP_FONT)
498#define ISPALAVAIL(af)	((af) & V_ADP_PALETTE)
499
500#define ISSIGVALID(sig)	((sig) > 0 && (sig) < NSIG)
501
502#define kbd_read_char(kbd, wait)					\
503		(*kbdsw[(kbd)->kb_index]->read_char)((kbd), (wait))
504#define kbd_check_char(kbd)						\
505		(*kbdsw[(kbd)->kb_index]->check_char)((kbd))
506#define kbd_enable(kbd)							\
507		(*kbdsw[(kbd)->kb_index]->enable)((kbd))
508#define kbd_disable(kbd)						\
509		(*kbdsw[(kbd)->kb_index]->disable)((kbd))
510#define kbd_lock(kbd, lockf)						\
511		(*kbdsw[(kbd)->kb_index]->lock)((kbd), (lockf))
512#define kbd_ioctl(kbd, cmd, arg)					\
513	    (((kbd) == NULL) ?						\
514		ENODEV : (*kbdsw[(kbd)->kb_index]->ioctl)((kbd), (cmd), (arg)))
515#define kbd_clear_state(kbd)						\
516		(*kbdsw[(kbd)->kb_index]->clear_state)((kbd))
517#define kbd_get_fkeystr(kbd, fkey, len)					\
518		(*kbdsw[(kbd)->kb_index]->get_fkeystr)((kbd), (fkey), (len))
519#define kbd_poll(kbd, on)						\
520		(*kbdsw[(kbd)->kb_index]->poll)((kbd), (on))
521
522/* syscons.c */
523extern int 	(*sc_user_ioctl)(struct cdev *dev, u_long cmd, caddr_t data,
524				 int flag, struct thread *td);
525
526int		sc_probe_unit(int unit, int flags);
527int		sc_attach_unit(int unit, int flags);
528
529int		set_mode(scr_stat *scp);
530
531void		sc_set_border(scr_stat *scp, int color);
532void		sc_load_font(scr_stat *scp, int page, int size, u_char *font,
533			     int base, int count);
534void		sc_save_font(scr_stat *scp, int page, int size, u_char *font,
535			     int base, int count);
536void		sc_show_font(scr_stat *scp, int page);
537
538void		sc_touch_scrn_saver(void);
539void		sc_puts(scr_stat *scp, u_char *buf, int len);
540void		sc_draw_cursor_image(scr_stat *scp);
541void		sc_remove_cursor_image(scr_stat *scp);
542void		sc_set_cursor_image(scr_stat *scp);
543void		sc_change_cursor_shape(scr_stat *scp, int flags,
544				       int base, int height);
545int		sc_clean_up(scr_stat *scp);
546int		sc_switch_scr(sc_softc_t *sc, u_int next_scr);
547void		sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard);
548int		sc_init_emulator(scr_stat *scp, char *name);
549void		sc_paste(scr_stat *scp, u_char *p, int count);
550void		sc_bell(scr_stat *scp, int pitch, int duration);
551
552/* schistory.c */
553#ifndef SC_NO_HISTORY
554int		sc_alloc_history_buffer(scr_stat *scp, int lines,
555					int prev_ysize, int wait);
556void		sc_free_history_buffer(scr_stat *scp, int prev_ysize);
557void		sc_hist_save(scr_stat *scp);
558#define		sc_hist_save_one_line(scp, from)	\
559		sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize)
560int		sc_hist_restore(scr_stat *scp);
561void		sc_hist_home(scr_stat *scp);
562void		sc_hist_end(scr_stat *scp);
563int		sc_hist_up_line(scr_stat *scp);
564int		sc_hist_down_line(scr_stat *scp);
565int		sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data,
566			      int flag, struct thread *td);
567#endif /* SC_NO_HISTORY */
568
569/* scmouse.c */
570#ifndef SC_NO_CUTPASTE
571void		sc_alloc_cut_buffer(scr_stat *scp, int wait);
572void		sc_draw_mouse_image(scr_stat *scp);
573void		sc_remove_mouse_image(scr_stat *scp);
574int		sc_inside_cutmark(scr_stat *scp, int pos);
575void		sc_remove_cutmarking(scr_stat *scp);
576void		sc_remove_all_cutmarkings(sc_softc_t *scp);
577void		sc_remove_all_mouse(sc_softc_t *scp);
578void		sc_mouse_paste(scr_stat *scp);
579#else
580#define		sc_draw_mouse_image(scp)
581#define		sc_remove_mouse_image(scp)
582#define		sc_inside_cutmark(scp, pos)	FALSE
583#define		sc_remove_cutmarking(scp)
584#define		sc_remove_all_cutmarkings(scp)
585#define		sc_remove_all_mouse(scp)
586#define		sc_mouse_paste(scp)
587#endif /* SC_NO_CUTPASTE */
588#ifndef SC_NO_SYSMOUSE
589void		sc_mouse_move(scr_stat *scp, int x, int y);
590int		sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data,
591			       int flag, struct thread *td);
592#endif /* SC_NO_SYSMOUSE */
593
594/* scvidctl.c */
595int		sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode,
596				 int xsize, int ysize, int fontsize);
597int		sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode);
598int		sc_set_pixel_mode(scr_stat *scp, struct tty *tp,
599				  int xsize, int ysize, int fontsize);
600int		sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag,
601			     struct thread *td);
602
603int		sc_render_add(sc_renderer_t *rndr);
604int		sc_render_remove(sc_renderer_t *rndr);
605sc_rndr_sw_t	*sc_render_match(scr_stat *scp, char *name, int mode);
606
607/* scvtb.c */
608void		sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows,
609			    void *buffer, int wait);
610void		sc_vtb_destroy(sc_vtb_t *vtb);
611size_t		sc_vtb_size(int cols, int rows);
612void		sc_vtb_clear(sc_vtb_t *vtb, int c, int attr);
613
614int		sc_vtb_getc(sc_vtb_t *vtb, int at);
615int		sc_vtb_geta(sc_vtb_t *vtb, int at);
616void		sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a);
617vm_offset_t	sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a);
618vm_offset_t	sc_vtb_pointer(sc_vtb_t *vtb, int at);
619int		sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset);
620
621#define		sc_vtb_tail(vtb)	((vtb)->vtb_tail)
622#define		sc_vtb_rows(vtb)	((vtb)->vtb_rows)
623#define		sc_vtb_cols(vtb)	((vtb)->vtb_cols)
624
625void		sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to,
626			    int count);
627void		sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2,
628			      int count);
629void		sc_vtb_seek(sc_vtb_t *vtb, int pos);
630void		sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr);
631void		sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count);
632void		sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr);
633void		sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr);
634
635/* sysmouse.c */
636int		sysmouse_event(mouse_info_t *info);
637
638/* scterm.c */
639void		sc_move_cursor(scr_stat *scp, int x, int y);
640void		sc_clear_screen(scr_stat *scp);
641int		sc_term_add(sc_term_sw_t *sw);
642int		sc_term_remove(sc_term_sw_t *sw);
643sc_term_sw_t	*sc_term_match(char *name);
644sc_term_sw_t	*sc_term_match_by_number(int index);
645
646/* machine dependent functions */
647int		sc_max_unit(void);
648sc_softc_t	*sc_get_softc(int unit, int flags);
649sc_softc_t	*sc_find_softc(struct video_adapter *adp, struct keyboard *kbd);
650int		sc_get_cons_priority(int *unit, int *flags);
651void		sc_get_bios_values(bios_values_t *values);
652int		sc_tone(int herz);
653
654#endif /* !_DEV_SYSCONS_SYSCONS_H_ */
655