2 * Copyright (c) 1995-1998 Søren Schmidt
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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.
31 #ifndef _DEV_SYSCONS_SYSCONS_H_
32 #define _DEV_SYSCONS_SYSCONS_H_
34 /* machine-dependent part of the header */
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 */
44 /* default values for configuration options */
52 #define SC_NO_CUTPASTE 1
55 #ifdef SC_NO_MODE_CHANGE
59 /* Always load font data if the pixel (raster text) mode is to be used. */
61 #undef SC_NO_FONT_LOADING
65 * If font data is not available, the `arrow'-shaped mouse cursor cannot
66 * be drawn. Use the alternative drawing method.
68 #ifdef SC_NO_FONT_LOADING
69 #undef SC_ALT_MOUSE_IMAGE
70 #define SC_ALT_MOUSE_IMAGE 1
73 #ifndef SC_CURSOR_CHAR
74 #define SC_CURSOR_CHAR (0x07)
78 #define SC_MOUSE_CHAR (0xd0)
81 #if SC_MOUSE_CHAR <= SC_CURSOR_CHAR && SC_CURSOR_CHAR < (SC_MOUSE_CHAR + 4)
83 #define SC_CURSOR_CHAR (SC_MOUSE_CHAR + 4)
86 #ifndef SC_DEBUG_LEVEL
87 #define SC_DEBUG_LEVEL 0
90 #define DPRINTF(l, p) if (SC_DEBUG_LEVEL >= (l)) printf p
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)
99 #define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \
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);\
108 #define mark_all(scp) {\
110 scp->end = scp->xsize * scp->ysize - 1;\
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 */
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...
143 #ifndef BELL_DURATION
144 #define BELL_DURATION ((5 * hz + 99) / 100)
145 #define BELL_PITCH 800
148 /* virtual terminal buffer */
149 typedef struct sc_vtb {
151 #define VTB_VALID (1 << 0)
152 #define VTB_ALLOCED (1 << 1)
154 #define VTB_INVALID 0
156 #define VTB_FRAMEBUFFER 2
157 #define VTB_RINGBUFFER 3
161 vm_offset_t vtb_buffer;
162 int vtb_tail; /* valid for VTB_RINGBUFFER only */
165 /* text cursor attributes */
175 struct video_adapter;
179 typedef 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)
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)
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)
198 #define SC_INIT_DONE (1 << 16)
199 #define SC_SPLASH_SCRN (1 << 17)
201 int keyboard; /* -1 if unavailable */
202 struct keyboard *kbd;
205 struct video_adapter *adp;
206 int initial_mode; /* initial video mode */
211 struct scr_stat *cur_scp;
212 struct scr_stat *new_scp;
213 struct scr_stat *old_scp;
214 int delayed_next_scr;
216 char font_loading_in_progress;
217 char switch_in_progress;
218 char videoio_in_progress;
219 char write_in_progress;
220 char blink_in_progress;
222 long scrn_time_stamp;
224 struct cursor_attr dflt_curs_attr;
225 struct cursor_attr curs_attr;
228 u_char scr_rmap[256];
230 #ifdef _SC_MD_SOFTC_DECLARED_
231 sc_md_softc_t md; /* machine dependent vars */
234 #ifndef SC_NO_PALETTE_LOADING
235 u_char palette[256*3];
238 #ifndef SC_NO_FONT_LOADING
254 typedef struct scr_stat {
255 int index; /* index of this vty */
256 struct sc_softc *sc; /* pointer to softc */
257 struct sc_rndr_sw *rndr; /* renderer */
261 int xpos; /* current X position */
262 int ypos; /* current Y position */
263 int xsize; /* X text size */
264 int ysize; /* Y text size */
265 int xpixel; /* X graphics size */
266 int ypixel; /* Y graphics size */
267 int xoff; /* X offset in pixel mode */
268 int yoff; /* Y offset in pixel mode */
270 u_char *font; /* current font */
271 int font_size; /* fontsize in Y direction */
273 int start; /* modified area start */
274 int end; /* modified area end */
276 struct sc_term_sw *tsw;
279 int status; /* status (bitfield) */
280 int kbd_mode; /* keyboard I/O mode */
282 int cursor_pos; /* cursor buffer position */
283 int cursor_oldpos; /* cursor old buffer position */
284 u_short cursor_saveunder_char; /* saved char under cursor */
285 u_short cursor_saveunder_attr; /* saved attr under cursor */
286 struct cursor_attr dflt_curs_attr;
287 struct cursor_attr curr_curs_attr;
288 struct cursor_attr curs_attr;
290 int mouse_pos; /* mouse buffer position */
291 int mouse_oldpos; /* mouse old buffer position */
292 short mouse_xpos; /* mouse x coordinate */
293 short mouse_ypos; /* mouse y coordinate */
294 short mouse_oldxpos; /* mouse previous x coordinate */
295 short mouse_oldypos; /* mouse previous y coordinate */
296 short mouse_buttons; /* mouse buttons */
297 int mouse_cut_start; /* mouse cut start pos */
298 int mouse_cut_end; /* mouse cut end pos */
299 struct proc *mouse_proc; /* proc* of controlling proc */
300 pid_t mouse_pid; /* pid of controlling proc */
301 int mouse_signal; /* signal # to report with */
303 u_short bell_duration;
306 u_char border; /* border color */
308 pid_t pid; /* pid of controlling proc */
309 struct proc *proc; /* proc* of controlling proc */
310 struct vt_mode smode; /* switch mode */
312 sc_vtb_t *history; /* circular history buffer */
313 int history_pos; /* position shown on screen */
314 int history_size; /* size of history buffer */
316 int splash_save_mode; /* saved mode for splash screen */
317 int splash_save_status; /* saved status for splash screen */
318 #ifdef _SCR_MD_STAT_DECLARED_
319 scr_md_stat_t md; /* machine dependent vars */
324 #define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK)
326 #ifndef SC_NORM_REV_ATTR
327 #define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY)
329 #ifndef SC_KERNEL_CONS_ATTR
330 #define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK)
332 #ifndef SC_KERNEL_CONS_REV_ATTR
333 #define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY)
336 /* terminal emulator */
339 #define SC_DFLT_TERM "*" /* any */
342 typedef int sc_term_init_t(scr_stat *scp, void **tcp, int code);
343 #define SC_TE_COLD_INIT 0
344 #define SC_TE_WARM_INIT 1
345 typedef int sc_term_term_t(scr_stat *scp, void **tcp);
346 typedef void sc_term_puts_t(scr_stat *scp, u_char *buf, int len);
347 typedef int sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd,
348 caddr_t data, int flag, struct thread *td);
349 typedef int sc_term_reset_t(scr_stat *scp, int code);
350 #define SC_TE_HARD_RESET 0
351 #define SC_TE_SOFT_RESET 1
352 typedef void sc_term_default_attr_t(scr_stat *scp, int norm, int rev);
353 typedef void sc_term_clear_t(scr_stat *scp);
354 typedef void sc_term_notify_t(scr_stat *scp, int event);
355 #define SC_TE_NOTIFY_VTSWITCH_IN 0
356 #define SC_TE_NOTIFY_VTSWITCH_OUT 1
357 typedef int sc_term_input_t(scr_stat *scp, int c, struct tty *tp);
359 typedef struct sc_term_sw {
360 LIST_ENTRY(sc_term_sw) link;
361 char *te_name; /* name of the emulator */
362 char *te_desc; /* description */
363 char *te_renderer; /* matching renderer */
364 size_t te_size; /* size of internal buffer */
365 int te_refcount; /* reference counter */
366 sc_term_init_t *te_init;
367 sc_term_term_t *te_term;
368 sc_term_puts_t *te_puts;
369 sc_term_ioctl_t *te_ioctl;
370 sc_term_reset_t *te_reset;
371 sc_term_default_attr_t *te_default_attr;
372 sc_term_clear_t *te_clear;
373 sc_term_notify_t *te_notify;
374 sc_term_input_t *te_input;
377 #define SCTERM_MODULE(name, sw) \
378 DATA_SET(scterm_set, sw); \
380 scterm_##name##_event(module_t mod, int type, void *data) \
384 return sc_term_add(&sw); \
386 if (sw.te_refcount > 0) \
388 return sc_term_remove(&sw); \
394 static moduledata_t scterm_##name##_mod = { \
396 scterm_##name##_event, \
399 DECLARE_MODULE(scterm_##name, scterm_##name##_mod, \
400 SI_SUB_DRIVERS, SI_ORDER_MIDDLE)
402 /* renderer function table */
403 typedef void vr_clear_t(scr_stat *scp, int c, int attr);
404 typedef void vr_draw_border_t(scr_stat *scp, int color);
405 typedef void vr_draw_t(scr_stat *scp, int from, int count, int flip);
406 typedef void vr_set_cursor_t(scr_stat *scp, int base, int height, int blink);
407 typedef void vr_draw_cursor_t(scr_stat *scp, int at, int blink,
409 typedef void vr_blink_cursor_t(scr_stat *scp, int at, int flip);
410 typedef void vr_set_mouse_t(scr_stat *scp);
411 typedef void vr_draw_mouse_t(scr_stat *scp, int x, int y, int on);
413 typedef struct sc_rndr_sw {
415 vr_draw_border_t *draw_border;
417 vr_set_cursor_t *set_cursor;
418 vr_draw_cursor_t *draw_cursor;
419 vr_blink_cursor_t *blink_cursor;
420 vr_set_mouse_t *set_mouse;
421 vr_draw_mouse_t *draw_mouse;
424 typedef struct sc_renderer {
427 sc_rndr_sw_t *rndrsw;
428 LIST_ENTRY(sc_renderer) link;
431 #define RENDERER(name, mode, sw, set) \
432 static struct sc_renderer scrndr_##name##_##mode = { \
435 DATA_SET(scrndr_set, scrndr_##name##_##mode); \
436 DATA_SET(set, scrndr_##name##_##mode)
438 #define RENDERER_MODULE(name, set) \
439 SET_DECLARE(set, sc_renderer_t); \
441 scrndr_##name##_event(module_t mod, int type, void *data) \
443 sc_renderer_t **list; \
447 SET_FOREACH(list, set) { \
448 error = sc_render_add(*list); \
454 SET_FOREACH(list, set) { \
455 error = sc_render_remove(*list);\
465 static moduledata_t scrndr_##name##_mod = { \
467 scrndr_##name##_event, \
470 DECLARE_MODULE(scrndr_##name, scrndr_##name##_mod, \
471 SI_SUB_DRIVERS, SI_ORDER_MIDDLE)
481 #define ISTEXTSC(scp) (!((scp)->status \
482 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE)))
483 #define ISGRAPHSC(scp) (((scp)->status \
484 & (UNKNOWN_MODE | GRAPHICS_MODE)))
485 #define ISPIXELSC(scp) (((scp)->status \
486 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\
488 #define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE)
490 #define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT)
491 #define ISFONTAVAIL(af) ((af) & V_ADP_FONT)
492 #define ISPALAVAIL(af) ((af) & V_ADP_PALETTE)
494 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG)
496 #define kbd_read_char(kbd, wait) \
497 (*kbdsw[(kbd)->kb_index]->read_char)((kbd), (wait))
498 #define kbd_check_char(kbd) \
499 (*kbdsw[(kbd)->kb_index]->check_char)((kbd))
500 #define kbd_enable(kbd) \
501 (*kbdsw[(kbd)->kb_index]->enable)((kbd))
502 #define kbd_disable(kbd) \
503 (*kbdsw[(kbd)->kb_index]->disable)((kbd))
504 #define kbd_lock(kbd, lockf) \
505 (*kbdsw[(kbd)->kb_index]->lock)((kbd), (lockf))
506 #define kbd_ioctl(kbd, cmd, arg) \
508 ENODEV : (*kbdsw[(kbd)->kb_index]->ioctl)((kbd), (cmd), (arg)))
509 #define kbd_clear_state(kbd) \
510 (*kbdsw[(kbd)->kb_index]->clear_state)((kbd))
511 #define kbd_get_fkeystr(kbd, fkey, len) \
512 (*kbdsw[(kbd)->kb_index]->get_fkeystr)((kbd), (fkey), (len))
513 #define kbd_poll(kbd, on) \
514 (*kbdsw[(kbd)->kb_index]->poll)((kbd), (on))
517 extern int (*sc_user_ioctl)(dev_t dev, u_long cmd, caddr_t data,
518 int flag, struct thread *td);
520 int sc_probe_unit(int unit, int flags);
521 int sc_attach_unit(int unit, int flags);
523 int set_mode(scr_stat *scp);
525 void sc_set_border(scr_stat *scp, int color);
526 void sc_load_font(scr_stat *scp, int page, int size, u_char *font,
527 int base, int count);
528 void sc_save_font(scr_stat *scp, int page, int size, u_char *font,
529 int base, int count);
530 void sc_show_font(scr_stat *scp, int page);
532 void sc_touch_scrn_saver(void);
533 void sc_puts(scr_stat *scp, u_char *buf, int len);
534 void sc_draw_cursor_image(scr_stat *scp);
535 void sc_remove_cursor_image(scr_stat *scp);
536 void sc_set_cursor_image(scr_stat *scp);
537 void sc_change_cursor_shape(scr_stat *scp, int flags,
538 int base, int height);
539 int sc_clean_up(scr_stat *scp);
540 int sc_switch_scr(sc_softc_t *sc, u_int next_scr);
541 void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard);
542 int sc_init_emulator(scr_stat *scp, char *name);
543 void sc_paste(scr_stat *scp, u_char *p, int count);
544 void sc_bell(scr_stat *scp, int pitch, int duration);
547 #ifndef SC_NO_HISTORY
548 int sc_alloc_history_buffer(scr_stat *scp, int lines,
549 int prev_ysize, int wait);
550 void sc_free_history_buffer(scr_stat *scp, int prev_ysize);
551 void sc_hist_save(scr_stat *scp);
552 #define sc_hist_save_one_line(scp, from) \
553 sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize)
554 int sc_hist_restore(scr_stat *scp);
555 void sc_hist_home(scr_stat *scp);
556 void sc_hist_end(scr_stat *scp);
557 int sc_hist_up_line(scr_stat *scp);
558 int sc_hist_down_line(scr_stat *scp);
559 int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data,
560 int flag, struct thread *td);
561 #endif /* SC_NO_HISTORY */
564 #ifndef SC_NO_CUTPASTE
565 void sc_alloc_cut_buffer(scr_stat *scp, int wait);
566 void sc_draw_mouse_image(scr_stat *scp);
567 void sc_remove_mouse_image(scr_stat *scp);
568 int sc_inside_cutmark(scr_stat *scp, int pos);
569 void sc_remove_cutmarking(scr_stat *scp);
570 void sc_remove_all_cutmarkings(sc_softc_t *scp);
571 void sc_remove_all_mouse(sc_softc_t *scp);
572 void sc_mouse_paste(scr_stat *scp);
574 #define sc_draw_mouse_image(scp)
575 #define sc_remove_mouse_image(scp)
576 #define sc_inside_cutmark(scp, pos) FALSE
577 #define sc_remove_cutmarking(scp)
578 #define sc_remove_all_cutmarkings(scp)
579 #define sc_remove_all_mouse(scp)
580 #define sc_mouse_paste(scp)
581 #endif /* SC_NO_CUTPASTE */
582 #ifndef SC_NO_SYSMOUSE
583 void sc_mouse_move(scr_stat *scp, int x, int y);
584 int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data,
585 int flag, struct thread *td);
586 #endif /* SC_NO_SYSMOUSE */
589 int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode,
590 int xsize, int ysize, int fontsize);
591 int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode);
592 int sc_set_pixel_mode(scr_stat *scp, struct tty *tp,
593 int xsize, int ysize, int fontsize);
594 int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag,
597 int sc_render_add(sc_renderer_t *rndr);
598 int sc_render_remove(sc_renderer_t *rndr);
599 sc_rndr_sw_t *sc_render_match(scr_stat *scp, char *name, int mode);
602 void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows,
603 void *buffer, int wait);
604 void sc_vtb_destroy(sc_vtb_t *vtb);
605 size_t sc_vtb_size(int cols, int rows);
606 void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr);
608 int sc_vtb_getc(sc_vtb_t *vtb, int at);
609 int sc_vtb_geta(sc_vtb_t *vtb, int at);
610 void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a);
611 vm_offset_t sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a);
612 vm_offset_t sc_vtb_pointer(sc_vtb_t *vtb, int at);
613 int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset);
615 #define sc_vtb_tail(vtb) ((vtb)->vtb_tail)
616 #define sc_vtb_rows(vtb) ((vtb)->vtb_rows)
617 #define sc_vtb_cols(vtb) ((vtb)->vtb_cols)
619 void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to,
621 void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2,
623 void sc_vtb_seek(sc_vtb_t *vtb, int pos);
624 void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr);
625 void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count);
626 void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr);
627 void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr);
630 int sysmouse_event(mouse_info_t *info);
633 void sc_move_cursor(scr_stat *scp, int x, int y);
634 void sc_clear_screen(scr_stat *scp);
635 int sc_term_add(sc_term_sw_t *sw);
636 int sc_term_remove(sc_term_sw_t *sw);
637 sc_term_sw_t *sc_term_match(char *name);
638 sc_term_sw_t *sc_term_match_by_number(int index);
640 /* machine dependent functions */
641 int sc_max_unit(void);
642 sc_softc_t *sc_get_softc(int unit, int flags);
643 sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd);
644 int sc_get_cons_priority(int *unit, int *flags);
645 void sc_get_bios_values(bios_values_t *values);
646 int sc_tone(int herz);
648 #endif /* !_DEV_SYSCONS_SYSCONS_H_ */