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kernel/syscons: Fix a comment.
[dragonfly.git] / sys / dev / misc / syscons / syscons.h
blobe657cfb2145f55c8b7ac9ca43e3dd3d66ac5242d
1 /*-
2 * Copyright (c) 1995-1998 Søren Schmidt
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The DragonFly Project
6 * by Sascha Wildner <saw@online.de>
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer,
13 * without modification, immediately at the beginning of the file.
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in the
16 * documentation and/or other materials provided with the distribution.
17 * 3. The name of the author may not be used to endorse or promote products
18 * derived from this software without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
21 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
22 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
23 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
24 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
25 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
26 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
27 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
28 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
29 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
30 *
31 * $FreeBSD: src/sys/dev/syscons/syscons.h,v 1.60.2.6 2002/09/15 22:30:45 dd Exp $
32 */
33
34 #ifndef _DEV_SYSCONS_SYSCONS_H_
35 #define _DEV_SYSCONS_SYSCONS_H_
36
37 #include <sys/malloc.h>
38
39 MALLOC_DECLARE(M_SYSCONS);
40
41 /* default values for configuration options */
42
43 #ifndef MAXCONS
44 #define MAXCONS 16 /* power of 2 */
45 #endif
46
47 #ifdef SC_NO_SYSMOUSE
48 #undef SC_NO_CUTPASTE
49 #define SC_NO_CUTPASTE 1
50 #endif
51
52 #ifdef SC_NO_MODE_CHANGE
53 #undef SC_PIXEL_MODE
54 #endif
55
56 /* Always load font data if the pixel (raster text) mode is to be used. */
57 #ifdef SC_PIXEL_MODE
58 #undef SC_NO_FONT_LOADING
59 #endif
60
61 /*
62 * If font data is not available, the `arrow'-shaped mouse cursor cannot
63 * be drawn. Use the alternative drawing method.
64 */
65 #ifdef SC_NO_FONT_LOADING
66 #undef SC_ALT_MOUSE_IMAGE
67 #define SC_ALT_MOUSE_IMAGE 1
68 #endif
69
70 #ifndef SC_CURSOR_CHAR
71 #define SC_CURSOR_CHAR (0x07)
72 #endif
73
74 #ifndef SC_MOUSE_CHAR
75 #define SC_MOUSE_CHAR (0xd0)
76 #endif
77
78 #if SC_MOUSE_CHAR <= SC_CURSOR_CHAR && SC_CURSOR_CHAR < (SC_MOUSE_CHAR + 4)
79 #undef SC_CURSOR_CHAR
80 #define SC_CURSOR_CHAR (SC_MOUSE_CHAR + 4)
81 #endif
82
83 #ifndef SC_DEBUG_LEVEL
84 #define SC_DEBUG_LEVEL 0
85 #endif
86
87 #define DPRINTF(l, p) if (SC_DEBUG_LEVEL >= (l)) kprintf p
88
89 #define SC_DRIVER_NAME "sc"
90 #define SC_VTY(dev) minor(dev)
91 #define SC_DEV(sc, vty) ((sc)->dev ? (sc)->dev[(vty) - (sc)->first_vty] : NULL)
92 #define SC_STAT(dev) ((scr_stat *)(dev)->si_drv1)
93
94 /* printable chars */
95 #ifndef PRINTABLE
96 #define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \
97 || (ch) < 0x07)
98 #endif
99
100 /* macros for "intelligent" screen update */
101 #define mark_for_update(scp, x) {\
102 if ((x) < scp->start) scp->start = (x);\
103 else if ((x) > scp->end) scp->end = (x);\
104 }
105 #define mark_all(scp) {\
106 scp->start = 0;\
107 scp->end = scp->xsize * scp->ysize - 1;\
108 }
109
110 /* macro for calculating the drawing position in video memory */
111 #ifdef SC_PIXEL_MODE
112 #define VIDEO_MEMORY_POS(scp, pos, x) \
113 ((scp)->sc->adp->va_window + \
114 (x) * (scp)->xoff + \
115 (scp)->yoff * (scp)->font_height * (scp)->sc->adp->va_line_width +\
116 (x) * ((pos) % (scp)->xsize) + \
117 (scp)->font_height * (scp)->sc->adp->va_line_width * \
118 (pos / (scp)->xsize))
119 #endif
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 #define COL 80
141 #define ROW 25
142 #define PCBURST 128
143
144 #ifndef BELL_DURATION
145 #define BELL_DURATION ((5 * hz + 99) / 100)
146 #define BELL_PITCH 800
147 #endif
148
149 /* virtual terminal buffer */
150 typedef struct sc_vtb {
151 int vtb_flags;
152 #define VTB_VALID (1 << 0)
153 #define VTB_ALLOCED (1 << 1)
154 int vtb_type;
155 #define VTB_INVALID 0
156 #define VTB_MEMORY 1
157 #define VTB_FRAMEBUFFER 2
158 #define VTB_RINGBUFFER 3
159 int vtb_cols;
160 int vtb_rows;
161 int vtb_size;
162 uint16_t *vtb_buffer;
163 int vtb_tail; /* valid for VTB_RINGBUFFER only */
164 } sc_vtb_t;
165
166 /* softc */
167
168 struct keyboard;
169 struct video_adapter;
170 struct scr_stat;
171 struct tty;
172 struct dev_ioctl_args;
173
174 typedef struct sc_softc {
175 int unit; /* unit # */
176 int config; /* configuration flags */
177 #define SC_VESA800X600 (1 << 7)
178 #define SC_AUTODETECT_KBD (1 << 8)
179 #define SC_KERNEL_CONSOLE (1 << 9)
180
181 int flags; /* status flags */
182 #define SC_VISUAL_BELL (1 << 0)
183 #define SC_QUIET_BELL (1 << 1)
184 #define SC_BLINK_CURSOR (1 << 2)
185 #define SC_CHAR_CURSOR (1 << 3)
186 #define SC_MOUSE_ENABLED (1 << 4)
187 #define SC_SCRN_IDLE (1 << 5)
188 #define SC_SCRN_BLANKED (1 << 6)
189 #define SC_SAVER_FAILED (1 << 7)
190 #define SC_SCRN_VTYLOCK (1 << 8)
191
192 #define SC_INIT_DONE (1 << 16)
193 #define SC_SPLASH_SCRN (1 << 17)
194
195 int keyboard; /* -1 if unavailable */
196 struct keyboard *kbd;
197
198 int adapter;
199 struct video_adapter *adp;
200 int initial_mode; /* initial video mode */
201
202 struct fb_info *fbi;
203
204 int first_vty;
205 int vtys;
206 cdev_t *dev;
207 struct scr_stat *console_scp;
208 struct scr_stat *cur_scp;
209 struct scr_stat *new_scp;
210 struct scr_stat *old_scp;
211 int delayed_next_scr;
212
213 char font_loading_in_progress;
214 char switch_in_progress;
215 char videoio_in_progress;
216 char write_in_progress;
217 char blink_in_progress;
218
219 long scrn_time_stamp;
220 struct callout scrn_timer_ch;
221
222 char cursor_base;
223 char cursor_height;
224
225 u_char scr_map[256];
226 u_char scr_rmap[256];
227
228 #ifdef _SC_MD_SOFTC_DECLARED_
229 sc_md_softc_t md; /* machine dependent vars */
230 #endif
231
232 #ifndef SC_NO_PALETTE_LOADING
233 u_char palette[256*3];
234 #endif
235
236 #ifndef SC_NO_FONT_LOADING
237 int fonts_loaded;
238 #define FONT_8 2
239 #define FONT_14 4
240 #define FONT_16 8
241 u_char *font_8;
242 u_char *font_14;
243 u_char *font_16;
244 #endif
245
246 u_char cursor_char;
247 u_char mouse_char;
248
249 } sc_softc_t;
250
251 /* virtual screen */
252 typedef struct scr_stat {
253 int index; /* index of this vty */
254 struct sc_softc *sc; /* pointer to softc */
255 struct sc_rndr_sw *rndr; /* renderer */
256 sc_vtb_t scr;
257 sc_vtb_t vtb;
258 struct fb_info *fbi;
259
260 int xpos; /* current X position */
261 int ypos; /* current Y position */
262 int xsize; /* X text size */
263 int ysize; /* Y text size */
264 int xpixel; /* X graphics size */
265 int ypixel; /* Y graphics size */
266 int xpad; /* for xsize * font_width != fbi->stride */
267 int xoff; /* X offset in pixel mode */
268 int yoff; /* Y offset in pixel mode */
269
270 u_char *font; /* current font */
271 int font_height; /* font source Y pixels */
272 int font_width; /* font source X pixels */
273 int blk_height; /* fbtarget Y pixels */
274 int blk_width; /* fbtarget X pixels */
275
276 int start; /* modified area start */
277 int end; /* modified area end */
278
279 struct sc_term_sw *tsw;
280 void *ts;
281
282 int status; /* status (bitfield) */
283 int kbd_mode; /* keyboard I/O mode */
284
285 int cursor_pos; /* cursor buffer position */
286 int cursor_oldpos; /* cursor old buffer position */
287 u_short cursor_saveunder_char; /* saved char under cursor */
288 u_short cursor_saveunder_attr; /* saved attr under cursor */
289 char cursor_base; /* cursor base line # */
290 char cursor_height; /* cursor height */
291
292 int mouse_pos; /* mouse buffer position */
293 int mouse_oldpos; /* mouse old buffer position */
294 short mouse_xpos; /* mouse x coordinate */
295 short mouse_ypos; /* mouse y coordinate */
296 short mouse_oldxpos; /* mouse previous x coordinate */
297 short mouse_oldypos; /* mouse previous y coordinate */
298 short mouse_buttons; /* mouse buttons */
299 int mouse_cut_start; /* mouse cut start pos */
300 int mouse_cut_end; /* mouse cut end pos */
301 struct proc *mouse_proc; /* proc* of controlling proc */
302 pid_t mouse_pid; /* pid of controlling proc */
303 int mouse_signal; /* signal # to report with */
304
305 u_short bell_duration;
306 u_short bell_pitch;
307
308 struct callout blink_screen_ch;
309
310 uint32_t ega_palette[16]; /* ega palette */
311 u_char border; /* border color */
312 int mode; /* mode */
313 int model; /* memory model */
314 pid_t pid; /* pid of controlling proc */
315 struct proc *proc; /* proc* of controlling proc */
316 struct vt_mode smode; /* switch mode */
317
318 sc_vtb_t *history; /* circular history buffer */
319 int history_pos; /* position shown on screen */
320 int history_size; /* size of history buffer */
321
322 int splash_save_mode; /* saved mode for splash screen */
323 int splash_save_status; /* saved status for splash screen */
324 #ifdef _SCR_MD_STAT_DECLARED_
325 scr_md_stat_t md; /* machine dependent vars */
326 #endif
327 } scr_stat;
328
329 #ifndef SC_NORM_ATTR
330 #define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK)
331 #endif
332 #ifndef SC_NORM_REV_ATTR
333 #define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY)
334 #endif
335 #ifndef SC_KERNEL_CONS_ATTR
336 #define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK)
337 #endif
338 #ifndef SC_KERNEL_CONS_REV_ATTR
339 #define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY)
340 #endif
341
342 /* terminal emulator */
343
344 #ifndef SC_DFLT_TERM
345 #define SC_DFLT_TERM "*" /* any */
346 #endif
347
348 typedef int sc_term_init_t(scr_stat *scp, void **tcp, int code);
349 #define SC_TE_COLD_INIT 0
350 #define SC_TE_WARM_INIT 1
351 typedef int sc_term_term_t(scr_stat *scp, void **tcp);
352 typedef void sc_term_puts_t(scr_stat *scp, u_char *buf, int len);
353 typedef int sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd,
354 caddr_t data, int flag);
355 typedef int sc_term_reset_t(scr_stat *scp, int code);
356 #define SC_TE_HARD_RESET 0
357 #define SC_TE_SOFT_RESET 1
358 typedef void sc_term_default_attr_t(scr_stat *scp, int norm, int rev);
359 typedef void sc_term_clear_t(scr_stat *scp);
360 typedef void sc_term_notify_t(scr_stat *scp, int event);
361 #define SC_TE_NOTIFY_VTSWITCH_IN 0
362 #define SC_TE_NOTIFY_VTSWITCH_OUT 1
363 typedef int sc_term_input_t(scr_stat *scp, int c, struct tty *tp);
364
365 typedef struct sc_term_sw {
366 LIST_ENTRY(sc_term_sw) link;
367 char *te_name; /* name of the emulator */
368 char *te_desc; /* description */
369 char *te_renderer; /* matching renderer */
370 size_t te_size; /* size of internal buffer */
371 int te_refcount; /* reference counter */
372 sc_term_init_t *te_init;
373 sc_term_term_t *te_term;
374 sc_term_puts_t *te_puts;
375 sc_term_ioctl_t *te_ioctl;
376 sc_term_reset_t *te_reset;
377 sc_term_default_attr_t *te_default_attr;
378 sc_term_clear_t *te_clear;
379 sc_term_notify_t *te_notify;
380 sc_term_input_t *te_input;
381 } sc_term_sw_t;
382
383 extern struct linker_set scterm_set;
384
385 #define SCTERM_MODULE(name, sw) \
386 DATA_SET(scterm_set, sw); \
387 static int \
388 scterm_##name##_event(module_t mod, int type, void *data) \
389 { \
390 switch (type) { \
391 case MOD_LOAD: \
392 return sc_term_add(&sw); \
393 case MOD_UNLOAD: \
394 if (sw.te_refcount > 0) \
395 return EBUSY; \
396 return sc_term_remove(&sw); \
397 default: \
398 break; \
399 } \
400 return 0; \
401 } \
402 static moduledata_t scterm_##name##_mod = { \
403 "scterm-" #name, \
404 scterm_##name##_event, \
405 NULL, \
406 }; \
407 DECLARE_MODULE(scterm_##name, scterm_##name##_mod, \
408 SI_SUB_DRIVERS, SI_ORDER_MIDDLE)
409
410 /* renderer function table */
411 typedef void vr_draw_border_t(scr_stat *scp, int color);
412 typedef void vr_draw_t(scr_stat *scp, int from, int count, int flip);
413 typedef void vr_set_cursor_t(scr_stat *scp, int base, int height, int blink);
414 typedef void vr_draw_cursor_t(scr_stat *scp, int at, int blink,
415 int on, int flip);
416 typedef void vr_blink_cursor_t(scr_stat *scp, int at, int flip);
417 typedef void vr_set_mouse_t(scr_stat *scp);
418 typedef void vr_draw_mouse_t(scr_stat *scp, int x, int y, int on);
419
420 typedef struct sc_rndr_sw {
421 vr_draw_border_t *draw_border;
422 vr_draw_t *draw;
423 vr_set_cursor_t *set_cursor;
424 vr_draw_cursor_t *draw_cursor;
425 vr_blink_cursor_t *blink_cursor;
426 vr_draw_mouse_t *draw_mouse;
427 } sc_rndr_sw_t;
428
429 typedef struct sc_renderer {
430 char *name;
431 int model;
432 sc_rndr_sw_t *rndrsw;
433 LIST_ENTRY(sc_renderer) link;
434 } sc_renderer_t;
435
436 extern struct linker_set scrndr_set;
437
438 #define RENDERER(name, model, sw, set) \
439 static struct sc_renderer scrndr_##name##_##model = { \
440 #name, model, &sw \
441 }; \
442 DATA_SET(scrndr_set, scrndr_##name##_##model); \
443 DATA_SET(set, scrndr_##name##_##model)
444
445 #define RENDERER_MODULE(name, set) \
446 SET_DECLARE(set, sc_renderer_t); \
447 static int \
448 scrndr_##name##_event(module_t mod, int type, void *data) \
449 { \
450 sc_renderer_t **list; \
451 int error = 0; \
452 switch (type) { \
453 case MOD_LOAD: \
454 SET_FOREACH(list, set) { \
455 error = sc_render_add(*list); \
456 if (error) \
457 break; \
458 } \
459 break; \
460 case MOD_UNLOAD: \
461 SET_FOREACH(list, set) { \
462 error = sc_render_remove(*list); \
463 if (error) \
464 break; \
465 } \
466 break; \
467 default: \
468 break; \
469 } \
470 return error; \
471 } \
472 static moduledata_t scrndr_##name##_mod = { \
473 "scrndr-" #name, \
474 scrndr_##name##_event, \
475 NULL, \
476 }; \
477 DECLARE_MODULE(scrndr_##name, scrndr_##name##_mod, \
478 SI_SUB_DRIVERS, SI_ORDER_MIDDLE)
479
480 typedef struct {
481 int cursor_start;
482 int cursor_end;
483 int shift_state;
484 int bell_pitch;
485 } bios_values_t;
486
487 /* other macros */
488 #define ISTEXTSC(scp) (!((scp)->status \
489 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE)))
490 #define ISGRAPHSC(scp) (((scp)->status \
491 & (UNKNOWN_MODE | GRAPHICS_MODE)))
492 #define ISPIXELSC(scp) (((scp)->status \
493 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\
494 == PIXEL_MODE)
495 #define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE)
496
497 #define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT)
498 #define ISFONTAVAIL(af) ((af) & V_ADP_FONT)
499 #define ISPALAVAIL(af) ((af) & V_ADP_PALETTE)
500
501 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
502
503 /* syscons.c */
504 int sc_probe_unit(int unit, int flags);
505 int sc_attach_unit(int unit, int flags);
506
507 int set_mode(scr_stat *scp);
508 void refresh_ega_palette(scr_stat *scp);
509
510 void sc_set_border(scr_stat *scp, int color);
511 void sc_load_font(scr_stat *scp, int page, int size, u_char *font,
512 int base, int count);
513 void sc_save_font(scr_stat *scp, int page, int size, u_char *font,
514 int base, int count);
515 void sc_show_font(scr_stat *scp, int page);
516
517 void sc_touch_scrn_saver(void);
518 void sc_draw_cursor_image(scr_stat *scp);
519 void sc_remove_cursor_image(scr_stat *scp);
520 void sc_set_cursor_image(scr_stat *scp);
521 int sc_clean_up(scr_stat *scp);
522 int sc_switch_scr(sc_softc_t *sc, u_int next_scr);
523 void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard);
524 int sc_init_emulator(scr_stat *scp, char *name);
525 void sc_paste(scr_stat *scp, u_char *p, int count);
526 void sc_bell(scr_stat *scp, int pitch, int duration);
527
528 /* schistory.c */
529 #ifndef SC_NO_HISTORY
530 int sc_alloc_history_buffer(scr_stat *scp, int lines,
531 int prev_ysize, int wait);
532 void sc_free_history_buffer(scr_stat *scp, int prev_ysize);
533 void sc_hist_save(scr_stat *scp);
534 #define sc_hist_save_one_line(scp, from) \
535 sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize)
536 int sc_hist_restore(scr_stat *scp);
537 void sc_hist_home(scr_stat *scp);
538 void sc_hist_end(scr_stat *scp);
539 int sc_hist_up_line(scr_stat *scp);
540 int sc_hist_down_line(scr_stat *scp);
541 int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data,
542 int flag);
543 #endif /* SC_NO_HISTORY */
544
545 /* scmouse.c */
546 #ifndef SC_NO_CUTPASTE
547 void sc_alloc_cut_buffer(scr_stat *scp, int wait);
548 void sc_draw_mouse_image(scr_stat *scp);
549 void sc_remove_mouse_image(scr_stat *scp);
550 int sc_inside_cutmark(scr_stat *scp, int pos);
551 void sc_remove_cutmarking(scr_stat *scp);
552 void sc_remove_all_cutmarkings(sc_softc_t *scp);
553 void sc_remove_all_mouse(sc_softc_t *scp);
554 #else
555 #define sc_draw_mouse_image(scp)
556 #define sc_remove_mouse_image(scp)
557 #define sc_inside_cutmark(scp, pos) FALSE
558 #define sc_remove_cutmarking(scp)
559 #define sc_remove_all_cutmarkings(scp)
560 #define sc_remove_all_mouse(scp)
561 #endif /* SC_NO_CUTPASTE */
562 #ifndef SC_NO_SYSMOUSE
563 void sc_mouse_move(scr_stat *scp, int x, int y);
564 int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data,
565 int flag);
566 #endif /* SC_NO_SYSMOUSE */
567
568 /* scvidctl.c */
569 int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode,
570 int xsize, int ysize, int fontsize);
571 int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode);
572 int sc_set_pixel_mode(scr_stat *scp, struct tty *tp,
573 int xsize, int ysize, int fontsize);
574 int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data,
575 int flag);
576
577 int sc_render_add(sc_renderer_t *rndr);
578 int sc_render_remove(sc_renderer_t *rndr);
579 sc_rndr_sw_t *sc_render_match(scr_stat *scp, char *name, int model);
580 void sc_update_render(scr_stat *scp);
581
582 /* scvtb.c */
583 void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows,
584 void *buffer, int wait);
585 void sc_vtb_destroy(sc_vtb_t *vtb);
586 size_t sc_vtb_size(int cols, int rows);
587 void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr);
588
589 int sc_vtb_getc(sc_vtb_t *vtb, int at);
590 int sc_vtb_geta(sc_vtb_t *vtb, int at);
591 void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a);
592 uint16_t *sc_vtb_putchar(sc_vtb_t *vtb, uint16_t *p, int c, int a);
593 int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset);
594
595 #define sc_vtb_tail(vtb) ((vtb)->vtb_tail)
596 #define sc_vtb_rows(vtb) ((vtb)->vtb_rows)
597 #define sc_vtb_cols(vtb) ((vtb)->vtb_cols)
598
599 void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to,
600 int count);
601 void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2,
602 int count);
603 void sc_vtb_seek(sc_vtb_t *vtb, int pos);
604 void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr);
605 void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count);
606 void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr);
607 void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr);
608
609 /* sysmouse.c */
610 int sysmouse_event(mouse_info_t *info);
611
612 /* scterm.c */
613 void sc_move_cursor(scr_stat *scp, int x, int y);
614 void sc_clear_screen(scr_stat *scp);
615 int sc_term_add(sc_term_sw_t *sw);
616 int sc_term_remove(sc_term_sw_t *sw);
617 sc_term_sw_t *sc_term_match(char *name);
618 sc_term_sw_t *sc_term_match_by_number(int index);
619
620 /* machine dependent functions */
621 int sc_max_unit(void);
622 sc_softc_t *sc_get_softc(int unit, int flags);
623 sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd);
624 int sc_get_cons_priority(int *unit, int *flags);
625 void sc_get_bios_values(bios_values_t *values);
626 int sc_tone(int hertz);
627
628 #endif /* !_DEV_SYSCONS_SYSCONS_H_ */
DragonFly BSD