syscons.h revision 146477
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 146477 2005-05-21 20:29:58Z marius $
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/cbus/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#ifndef __sparc64__
93#define SC_DRIVER_NAME	"sc"
94#else
95/*
96 * Use a different driver name on sparc64 so it does not get confused
97 * with the system controller devices which are also termed 'sc' in OFW.
98 */
99#define SC_DRIVER_NAME	"syscons"
100#endif
101#define SC_VTY(dev)	minor(dev)
102#define SC_DEV(sc, vty)	((sc)->dev[(vty) - (sc)->first_vty])
103#define SC_STAT(dev)	(*((scr_stat **)&(dev)->si_drv1))
104
105/* printable chars */
106#ifndef PRINTABLE
107#define PRINTABLE(ch)	((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \
108			 || (ch) < 0x07)
109#endif
110
111/* macros for "intelligent" screen update */
112#define mark_for_update(scp, x)	{\
113			  	    if ((x) < scp->start) scp->start = (x);\
114				    else if ((x) > scp->end) scp->end = (x);\
115				}
116#define mark_all(scp)		{\
117				    scp->start = 0;\
118				    scp->end = scp->xsize * scp->ysize - 1;\
119				}
120
121/* vty status flags (scp->status) */
122#define UNKNOWN_MODE	0x00010		/* unknown video mode */
123#define SWITCH_WAIT_REL	0x00080		/* waiting for vty release */
124#define SWITCH_WAIT_ACQ	0x00100		/* waiting for vty ack */
125#define BUFFER_SAVED	0x00200		/* vty buffer is saved */
126#define CURSOR_ENABLED 	0x00400		/* text cursor is enabled */
127#define MOUSE_MOVED	0x01000		/* mouse cursor has moved */
128#define MOUSE_CUTTING	0x02000		/* mouse cursor is cutting text */
129#define MOUSE_VISIBLE	0x04000		/* mouse cursor is showing */
130#define GRAPHICS_MODE	0x08000		/* vty is in a graphics mode */
131#define PIXEL_MODE	0x10000		/* vty is in a raster text mode */
132#define SAVER_RUNNING	0x20000		/* screen saver is running */
133#define VR_CURSOR_BLINK	0x40000		/* blinking text cursor */
134#define VR_CURSOR_ON	0x80000		/* text cursor is on */
135#define MOUSE_HIDDEN	0x100000	/* mouse cursor is temporarily hidden */
136
137/* misc defines */
138#define FALSE		0
139#define TRUE		1
140
141/*
142   The following #defines are hard-coded for a maximum text
143   resolution corresponding to a maximum framebuffer
144   resolution of 1600x1200 with an 8x8 font...
145*/
146#define	COL		200
147#define	ROW		150
148
149#define PCBURST		128
150
151#ifndef BELL_DURATION
152#define BELL_DURATION	((5 * hz + 99) / 100)
153#define BELL_PITCH	800
154#endif
155
156/* virtual terminal buffer */
157typedef struct sc_vtb {
158	int		vtb_flags;
159#define VTB_VALID	(1 << 0)
160#define VTB_ALLOCED	(1 << 1)
161	int		vtb_type;
162#define VTB_INVALID	0
163#define VTB_MEMORY	1
164#define VTB_FRAMEBUFFER	2
165#define VTB_RINGBUFFER	3
166	int		vtb_cols;
167	int		vtb_rows;
168	int		vtb_size;
169	vm_offset_t	vtb_buffer;
170	int		vtb_tail;	/* valid for VTB_RINGBUFFER only */
171} sc_vtb_t;
172
173/* text cursor attributes */
174struct cursor_attr {
175	int		flags;
176	int		base;
177	int		height;
178};
179
180/* softc */
181
182struct keyboard;
183struct video_adapter;
184struct scr_stat;
185struct tty;
186
187typedef struct sc_softc {
188	int		unit;			/* unit # */
189	int		config;			/* configuration flags */
190#define SC_VESA800X600	(1 << 7)
191#define SC_AUTODETECT_KBD (1 << 8)
192#define SC_KERNEL_CONSOLE (1 << 9)
193
194	int		flags;			/* status flags */
195#define SC_VISUAL_BELL	(1 << 0)
196#define SC_QUIET_BELL	(1 << 1)
197#if 0 /* not used anymore */
198#define SC_BLINK_CURSOR	(1 << 2)
199#define SC_CHAR_CURSOR	(1 << 3)
200#endif
201#define SC_MOUSE_ENABLED (1 << 4)
202#define	SC_SCRN_IDLE	(1 << 5)
203#define	SC_SCRN_BLANKED	(1 << 6)
204#define	SC_SAVER_FAILED	(1 << 7)
205#define	SC_SCRN_VTYLOCK	(1 << 8)
206
207#define	SC_INIT_DONE	(1 << 16)
208#define	SC_SPLASH_SCRN	(1 << 17)
209
210	int		keyboard;		/* -1 if unavailable */
211	struct keyboard	*kbd;
212
213	int		adapter;
214	struct video_adapter *adp;
215	int		initial_mode;		/* initial video mode */
216
217	int		first_vty;
218	int		vtys;
219	struct cdev **dev;
220	struct scr_stat	*cur_scp;
221	struct scr_stat	*new_scp;
222	struct scr_stat	*old_scp;
223	int     	delayed_next_scr;
224
225	char        	font_loading_in_progress;
226	char        	switch_in_progress;
227	char        	videoio_in_progress;
228	char        	write_in_progress;
229	char        	blink_in_progress;
230
231	long		scrn_time_stamp;
232
233	struct cursor_attr dflt_curs_attr;
234	struct cursor_attr curs_attr;
235
236	u_char      	scr_map[256];
237	u_char      	scr_rmap[256];
238
239#ifdef _SC_MD_SOFTC_DECLARED_
240	sc_md_softc_t	md;			/* machine dependent vars */
241#endif
242
243#ifndef SC_NO_PALETTE_LOADING
244	u_char        	palette[256*3];
245#endif
246
247#ifndef SC_NO_FONT_LOADING
248	int     	fonts_loaded;
249#define FONT_8		2
250#define FONT_14		4
251#define FONT_16		8
252	u_char		*font_8;
253	u_char		*font_14;
254	u_char		*font_16;
255#endif
256
257	u_char		cursor_char;
258	u_char		mouse_char;
259
260} sc_softc_t;
261
262/* virtual screen */
263typedef struct scr_stat {
264	int		index;			/* index of this vty */
265	struct sc_softc *sc;			/* pointer to softc */
266	struct sc_rndr_sw *rndr;		/* renderer */
267#ifndef __sparc64__
268	sc_vtb_t	scr;
269#endif
270	sc_vtb_t	vtb;
271
272	int 		xpos;			/* current X position */
273	int 		ypos;			/* current Y position */
274	int 		xsize;			/* X text size */
275	int 		ysize;			/* Y text size */
276	int 		xpixel;			/* X graphics size */
277	int 		ypixel;			/* Y graphics size */
278	int		xoff;			/* X offset in pixel mode */
279	int		yoff;			/* Y offset in pixel mode */
280
281	u_char		*font;			/* current font */
282	int		font_size;		/* fontsize in Y direction */
283	int		font_width;		/* fontsize in X direction */
284
285	int		start;			/* modified area start */
286	int		end;			/* modified area end */
287
288	struct sc_term_sw *tsw;
289	void		*ts;
290
291	int	 	status;			/* status (bitfield) */
292	int		kbd_mode;		/* keyboard I/O mode */
293
294	int		cursor_pos;		/* cursor buffer position */
295	int		cursor_oldpos;		/* cursor old buffer position */
296	u_short		cursor_saveunder_char;	/* saved char under cursor */
297	u_short		cursor_saveunder_attr;	/* saved attr under cursor */
298	struct cursor_attr dflt_curs_attr;
299	struct cursor_attr curr_curs_attr;
300	struct cursor_attr curs_attr;
301
302	int		mouse_pos;		/* mouse buffer position */
303	int		mouse_oldpos;		/* mouse old buffer position */
304	short		mouse_xpos;		/* mouse x coordinate */
305	short		mouse_ypos;		/* mouse y coordinate */
306	short		mouse_oldxpos;		/* mouse previous x coordinate */
307	short		mouse_oldypos;		/* mouse previous y coordinate */
308	short		mouse_buttons;		/* mouse buttons */
309	int		mouse_cut_start;	/* mouse cut start pos */
310	int		mouse_cut_end;		/* mouse cut end pos */
311	struct proc 	*mouse_proc;		/* proc* of controlling proc */
312	pid_t 		mouse_pid;		/* pid of controlling proc */
313	int		mouse_signal;		/* signal # to report with */
314
315	u_short		bell_duration;
316	u_short		bell_pitch;
317
318	u_char		border;			/* border color */
319	int	 	mode;			/* mode */
320	pid_t 		pid;			/* pid of controlling proc */
321	struct proc 	*proc;			/* proc* of controlling proc */
322	struct vt_mode 	smode;			/* switch mode */
323
324	sc_vtb_t	*history;		/* circular history buffer */
325	int		history_pos;		/* position shown on screen */
326	int		history_size;		/* size of history buffer */
327
328	int		splash_save_mode;	/* saved mode for splash screen */
329	int		splash_save_status;	/* saved status for splash screen */
330#ifdef _SCR_MD_STAT_DECLARED_
331	scr_md_stat_t	md;			/* machine dependent vars */
332#endif
333} scr_stat;
334
335#ifndef SC_NORM_ATTR
336#define SC_NORM_ATTR		(FG_LIGHTGREY | BG_BLACK)
337#endif
338#ifndef SC_NORM_REV_ATTR
339#define SC_NORM_REV_ATTR	(FG_BLACK | BG_LIGHTGREY)
340#endif
341#ifndef SC_KERNEL_CONS_ATTR
342#define SC_KERNEL_CONS_ATTR	(FG_WHITE | BG_BLACK)
343#endif
344#ifndef SC_KERNEL_CONS_REV_ATTR
345#define SC_KERNEL_CONS_REV_ATTR	(FG_BLACK | BG_LIGHTGREY)
346#endif
347
348/* terminal emulator */
349
350#ifndef SC_DFLT_TERM
351#define SC_DFLT_TERM	"*"			/* any */
352#endif
353
354typedef int	sc_term_init_t(scr_stat *scp, void **tcp, int code);
355#define SC_TE_COLD_INIT	0
356#define SC_TE_WARM_INIT	1
357typedef int	sc_term_term_t(scr_stat *scp, void **tcp);
358typedef void	sc_term_puts_t(scr_stat *scp, u_char *buf, int len);
359typedef int	sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd,
360				caddr_t data, int flag, struct thread *td);
361typedef int	sc_term_reset_t(scr_stat *scp, int code);
362#define SC_TE_HARD_RESET 0
363#define SC_TE_SOFT_RESET 1
364typedef void	sc_term_default_attr_t(scr_stat *scp, int norm, int rev);
365typedef void	sc_term_clear_t(scr_stat *scp);
366typedef void	sc_term_notify_t(scr_stat *scp, int event);
367#define SC_TE_NOTIFY_VTSWITCH_IN	0
368#define SC_TE_NOTIFY_VTSWITCH_OUT	1
369typedef int	sc_term_input_t(scr_stat *scp, int c, struct tty *tp);
370
371typedef struct sc_term_sw {
372	LIST_ENTRY(sc_term_sw)	link;
373	char 			*te_name;	/* name of the emulator */
374	char 			*te_desc;	/* description */
375	char 			*te_renderer;	/* matching renderer */
376	size_t			te_size;	/* size of internal buffer */
377	int			te_refcount;	/* reference counter */
378	sc_term_init_t		*te_init;
379	sc_term_term_t		*te_term;
380	sc_term_puts_t		*te_puts;
381	sc_term_ioctl_t		*te_ioctl;
382	sc_term_reset_t		*te_reset;
383	sc_term_default_attr_t	*te_default_attr;
384	sc_term_clear_t		*te_clear;
385	sc_term_notify_t	*te_notify;
386	sc_term_input_t		*te_input;
387} sc_term_sw_t;
388
389#define SCTERM_MODULE(name, sw)					\
390	DATA_SET(scterm_set, sw);				\
391	static int						\
392	scterm_##name##_event(module_t mod, int type, void *data) \
393	{							\
394		switch (type) {					\
395		case MOD_LOAD:					\
396			return sc_term_add(&sw);		\
397		case MOD_UNLOAD:				\
398			if (sw.te_refcount > 0)			\
399				return EBUSY;			\
400			return sc_term_remove(&sw);		\
401		default:					\
402			return EOPNOTSUPP;			\
403			break;					\
404		}						\
405		return 0;					\
406	}							\
407	static moduledata_t scterm_##name##_mod = {		\
408		"scterm-" #name,				\
409		scterm_##name##_event,				\
410		NULL,						\
411	};							\
412	DECLARE_MODULE(scterm_##name, scterm_##name##_mod,	\
413		       SI_SUB_DRIVERS, SI_ORDER_MIDDLE)
414
415/* renderer function table */
416typedef void	vr_clear_t(scr_stat *scp, int c, int attr);
417typedef void	vr_draw_border_t(scr_stat *scp, int color);
418typedef void	vr_draw_t(scr_stat *scp, int from, int count, int flip);
419typedef void	vr_set_cursor_t(scr_stat *scp, int base, int height, int blink);
420typedef void	vr_draw_cursor_t(scr_stat *scp, int at, int blink,
421				 int on, int flip);
422typedef void	vr_blink_cursor_t(scr_stat *scp, int at, int flip);
423typedef void	vr_set_mouse_t(scr_stat *scp);
424typedef void	vr_draw_mouse_t(scr_stat *scp, int x, int y, int on);
425
426typedef struct sc_rndr_sw {
427	vr_clear_t		*clear;
428	vr_draw_border_t	*draw_border;
429	vr_draw_t		*draw;
430	vr_set_cursor_t		*set_cursor;
431	vr_draw_cursor_t	*draw_cursor;
432	vr_blink_cursor_t	*blink_cursor;
433	vr_set_mouse_t		*set_mouse;
434	vr_draw_mouse_t		*draw_mouse;
435} sc_rndr_sw_t;
436
437typedef struct sc_renderer {
438	char			*name;
439	int			mode;
440	sc_rndr_sw_t		*rndrsw;
441	LIST_ENTRY(sc_renderer)	link;
442} sc_renderer_t;
443
444#define RENDERER(name, mode, sw, set)				\
445	static struct sc_renderer scrndr_##name##_##mode = {	\
446		#name, mode, &sw				\
447	};							\
448	DATA_SET(scrndr_set, scrndr_##name##_##mode);		\
449	DATA_SET(set, scrndr_##name##_##mode)
450
451#define RENDERER_MODULE(name, set)				\
452	SET_DECLARE(set, sc_renderer_t);			\
453	static int						\
454	scrndr_##name##_event(module_t mod, int type, void *data) \
455	{							\
456		sc_renderer_t **list;				\
457		int error = 0;					\
458		switch (type) {					\
459		case MOD_LOAD:					\
460			SET_FOREACH(list, set) {		\
461				error = sc_render_add(*list);	\
462				if (error)			\
463					break;			\
464			}					\
465			break;					\
466		case MOD_UNLOAD:				\
467			SET_FOREACH(list, set) {		\
468				error = sc_render_remove(*list);\
469				if (error)			\
470					break;			\
471			}					\
472			break;					\
473		default:					\
474			return EOPNOTSUPP;			\
475			break;					\
476		}						\
477		return error;					\
478	}							\
479	static moduledata_t scrndr_##name##_mod = {		\
480		"scrndr-" #name,				\
481		scrndr_##name##_event,				\
482		NULL,						\
483	};							\
484	DECLARE_MODULE(scrndr_##name, scrndr_##name##_mod, 	\
485		       SI_SUB_DRIVERS, SI_ORDER_MIDDLE)
486
487typedef struct {
488	int		cursor_start;
489	int		cursor_end;
490	int		shift_state;
491	int		bell_pitch;
492} bios_values_t;
493
494/* other macros */
495#define ISTEXTSC(scp)	(!((scp)->status 				\
496			  & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE)))
497#define ISGRAPHSC(scp)	(((scp)->status 				\
498			  & (UNKNOWN_MODE | GRAPHICS_MODE)))
499#define ISPIXELSC(scp)	(((scp)->status 				\
500			  & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\
501			  == PIXEL_MODE)
502#define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE)
503
504#define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT)
505#define ISFONTAVAIL(af)	((af) & V_ADP_FONT)
506#define ISPALAVAIL(af)	((af) & V_ADP_PALETTE)
507
508#define ISSIGVALID(sig)	((sig) > 0 && (sig) < NSIG)
509
510#define kbd_read_char(kbd, wait)					\
511		(*kbdsw[(kbd)->kb_index]->read_char)((kbd), (wait))
512#define kbd_check_char(kbd)						\
513		(*kbdsw[(kbd)->kb_index]->check_char)((kbd))
514#define kbd_enable(kbd)							\
515		(*kbdsw[(kbd)->kb_index]->enable)((kbd))
516#define kbd_disable(kbd)						\
517		(*kbdsw[(kbd)->kb_index]->disable)((kbd))
518#define kbd_lock(kbd, lockf)						\
519		(*kbdsw[(kbd)->kb_index]->lock)((kbd), (lockf))
520#define kbd_ioctl(kbd, cmd, arg)					\
521	    (((kbd) == NULL) ?						\
522		ENODEV : (*kbdsw[(kbd)->kb_index]->ioctl)((kbd), (cmd), (arg)))
523#define kbd_clear_state(kbd)						\
524		(*kbdsw[(kbd)->kb_index]->clear_state)((kbd))
525#define kbd_get_fkeystr(kbd, fkey, len)					\
526		(*kbdsw[(kbd)->kb_index]->get_fkeystr)((kbd), (fkey), (len))
527#define kbd_poll(kbd, on)						\
528		(*kbdsw[(kbd)->kb_index]->poll)((kbd), (on))
529
530/* syscons.c */
531extern int 	(*sc_user_ioctl)(struct cdev *dev, u_long cmd, caddr_t data,
532				 int flag, struct thread *td);
533
534int		sc_probe_unit(int unit, int flags);
535int		sc_attach_unit(int unit, int flags);
536
537int		set_mode(scr_stat *scp);
538
539void		sc_set_border(scr_stat *scp, int color);
540void		sc_load_font(scr_stat *scp, int page, int size, u_char *font,
541			     int base, int count);
542void		sc_save_font(scr_stat *scp, int page, int size, u_char *font,
543			     int base, int count);
544void		sc_show_font(scr_stat *scp, int page);
545
546void		sc_touch_scrn_saver(void);
547void		sc_puts(scr_stat *scp, u_char *buf, int len);
548void		sc_draw_cursor_image(scr_stat *scp);
549void		sc_remove_cursor_image(scr_stat *scp);
550void		sc_set_cursor_image(scr_stat *scp);
551void		sc_change_cursor_shape(scr_stat *scp, int flags,
552				       int base, int height);
553int		sc_clean_up(scr_stat *scp);
554int		sc_switch_scr(sc_softc_t *sc, u_int next_scr);
555void		sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard);
556int		sc_init_emulator(scr_stat *scp, char *name);
557void		sc_paste(scr_stat *scp, u_char *p, int count);
558void		sc_bell(scr_stat *scp, int pitch, int duration);
559
560/* schistory.c */
561#ifndef SC_NO_HISTORY
562int		sc_alloc_history_buffer(scr_stat *scp, int lines,
563					int prev_ysize, int wait);
564void		sc_free_history_buffer(scr_stat *scp, int prev_ysize);
565void		sc_hist_save(scr_stat *scp);
566#define		sc_hist_save_one_line(scp, from)	\
567		sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize)
568int		sc_hist_restore(scr_stat *scp);
569void		sc_hist_home(scr_stat *scp);
570void		sc_hist_end(scr_stat *scp);
571int		sc_hist_up_line(scr_stat *scp);
572int		sc_hist_down_line(scr_stat *scp);
573int		sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data,
574			      int flag, struct thread *td);
575#endif /* SC_NO_HISTORY */
576
577/* scmouse.c */
578#ifndef SC_NO_CUTPASTE
579void		sc_alloc_cut_buffer(scr_stat *scp, int wait);
580void		sc_draw_mouse_image(scr_stat *scp);
581void		sc_remove_mouse_image(scr_stat *scp);
582int		sc_inside_cutmark(scr_stat *scp, int pos);
583void		sc_remove_cutmarking(scr_stat *scp);
584void		sc_remove_all_cutmarkings(sc_softc_t *scp);
585void		sc_remove_all_mouse(sc_softc_t *scp);
586void		sc_mouse_paste(scr_stat *scp);
587#else
588#define		sc_draw_mouse_image(scp)
589#define		sc_remove_mouse_image(scp)
590#define		sc_inside_cutmark(scp, pos)	FALSE
591#define		sc_remove_cutmarking(scp)
592#define		sc_remove_all_cutmarkings(scp)
593#define		sc_remove_all_mouse(scp)
594#define		sc_mouse_paste(scp)
595#endif /* SC_NO_CUTPASTE */
596#ifndef SC_NO_SYSMOUSE
597void		sc_mouse_move(scr_stat *scp, int x, int y);
598int		sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data,
599			       int flag, struct thread *td);
600#endif /* SC_NO_SYSMOUSE */
601
602/* scvidctl.c */
603int		sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode,
604				 int xsize, int ysize, int fontsize);
605int		sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode);
606int		sc_set_pixel_mode(scr_stat *scp, struct tty *tp,
607				  int xsize, int ysize, int fontsize);
608int		sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag,
609			     struct thread *td);
610
611int		sc_render_add(sc_renderer_t *rndr);
612int		sc_render_remove(sc_renderer_t *rndr);
613sc_rndr_sw_t	*sc_render_match(scr_stat *scp, char *name, int mode);
614
615/* scvtb.c */
616void		sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows,
617			    void *buffer, int wait);
618void		sc_vtb_destroy(sc_vtb_t *vtb);
619size_t		sc_vtb_size(int cols, int rows);
620void		sc_vtb_clear(sc_vtb_t *vtb, int c, int attr);
621
622int		sc_vtb_getc(sc_vtb_t *vtb, int at);
623int		sc_vtb_geta(sc_vtb_t *vtb, int at);
624void		sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a);
625vm_offset_t	sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a);
626vm_offset_t	sc_vtb_pointer(sc_vtb_t *vtb, int at);
627int		sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset);
628
629#define		sc_vtb_tail(vtb)	((vtb)->vtb_tail)
630#define		sc_vtb_rows(vtb)	((vtb)->vtb_rows)
631#define		sc_vtb_cols(vtb)	((vtb)->vtb_cols)
632
633void		sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to,
634			    int count);
635void		sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2,
636			      int count);
637void		sc_vtb_seek(sc_vtb_t *vtb, int pos);
638void		sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr);
639void		sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count);
640void		sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr);
641void		sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr);
642
643/* sysmouse.c */
644int		sysmouse_event(mouse_info_t *info);
645
646/* scterm.c */
647void		sc_move_cursor(scr_stat *scp, int x, int y);
648void		sc_clear_screen(scr_stat *scp);
649int		sc_term_add(sc_term_sw_t *sw);
650int		sc_term_remove(sc_term_sw_t *sw);
651sc_term_sw_t	*sc_term_match(char *name);
652sc_term_sw_t	*sc_term_match_by_number(int index);
653
654/* machine dependent functions */
655int		sc_max_unit(void);
656sc_softc_t	*sc_get_softc(int unit, int flags);
657sc_softc_t	*sc_find_softc(struct video_adapter *adp, struct keyboard *kbd);
658int		sc_get_cons_priority(int *unit, int *flags);
659void		sc_get_bios_values(bios_values_t *values);
660int		sc_tone(int herz);
661
662#endif /* !_DEV_SYSCONS_SYSCONS_H_ */
663