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 * $FreeBSD$ 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 #ifndef SC_MOUSE_CHAR 60 #define SC_MOUSE_CHAR (0xd0) 61 #endif 62 63 #ifndef SC_DEBUG_LEVEL 64 #define SC_DEBUG_LEVEL 0 65 #endif 66 67 #define DPRINTF(l, p) if (SC_DEBUG_LEVEL >= (l)) printf p 68 69 #define SC_DRIVER_NAME "sc" 70 #define SC_VTY(dev) minor(dev) 71 #define SC_DEV(sc, vty) ((sc)->dev[(vty) - (sc)->first_vty]) 72 #define SC_STAT(dev) ((scr_stat *)(dev)->si_drv1) 73 74 /* printable chars */ 75 #ifndef PRINTABLE 76 #define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \ 77 || (ch) < 0x07) 78 #endif 79 80 /* macros for "intelligent" screen update */ 81 #define mark_for_update(scp, x) {\ 82 if ((x) < scp->start) scp->start = (x);\ 83 else if ((x) > scp->end) scp->end = (x);\ 84 } 85 #define mark_all(scp) {\ 86 scp->start = 0;\ 87 scp->end = scp->xsize * scp->ysize - 1;\ 88 } 89 90 /* vty status flags (scp->status) */ 91 #define UNKNOWN_MODE 0x00010 92 #define SWITCH_WAIT_REL 0x00080 93 #define SWITCH_WAIT_ACQ 0x00100 94 #define BUFFER_SAVED 0x00200 95 #define CURSOR_ENABLED 0x00400 96 #define MOUSE_MOVED 0x01000 97 #define MOUSE_CUTTING 0x02000 98 #define MOUSE_VISIBLE 0x04000 99 #define GRAPHICS_MODE 0x08000 100 #define PIXEL_MODE 0x10000 101 #define SAVER_RUNNING 0x20000 102 #define VR_CURSOR_BLINK 0x40000 103 #define VR_CURSOR_ON 0x80000 104 105 /* misc defines */ 106 #define FALSE 0 107 #define TRUE 1 108 #define COL 80 109 #define ROW 25 110 #define PCBURST 128 111 112 #ifndef BELL_DURATION 113 #define BELL_DURATION 5 114 #define BELL_PITCH 800 115 #endif 116 117 /* virtual terminal buffer */ 118 typedef struct sc_vtb { 119 int vtb_flags; 120 #define VTB_VALID (1 << 0) 121 int vtb_type; 122 #define VTB_INVALID 0 123 #define VTB_MEMORY 1 124 #define VTB_FRAMEBUFFER 2 125 #define VTB_RINGBUFFER 3 126 int vtb_cols; 127 int vtb_rows; 128 int vtb_size; 129 vm_offset_t vtb_buffer; 130 int vtb_tail; /* valid for VTB_RINGBUFFER only */ 131 } sc_vtb_t; 132 133 /* softc */ 134 135 struct keyboard; 136 struct video_adapter; 137 struct scr_stat; 138 struct tty; 139 140 typedef struct sc_softc { 141 int unit; /* unit # */ 142 int config; /* configuration flags */ 143 #define SC_VESA800X600 (1 << 7) 144 #define SC_AUTODETECT_KBD (1 << 8) 145 #define SC_KERNEL_CONSOLE (1 << 9) 146 147 int flags; /* status flags */ 148 #define SC_VISUAL_BELL (1 << 0) 149 #define SC_QUIET_BELL (1 << 1) 150 #define SC_BLINK_CURSOR (1 << 2) 151 #define SC_CHAR_CURSOR (1 << 3) 152 #define SC_MOUSE_ENABLED (1 << 4) 153 #define SC_SCRN_IDLE (1 << 5) 154 #define SC_SCRN_BLANKED (1 << 6) 155 #define SC_SAVER_FAILED (1 << 7) 156 157 #define SC_INIT_DONE (1 << 16) 158 #define SC_SPLASH_SCRN (1 << 17) 159 160 int keyboard; /* -1 if unavailable */ 161 struct keyboard *kbd; 162 163 int adapter; 164 struct video_adapter *adp; 165 int initial_mode; /* initial video mode */ 166 167 int first_vty; 168 int vtys; 169 dev_t *dev; 170 struct scr_stat *cur_scp; 171 struct scr_stat *new_scp; 172 struct scr_stat *old_scp; 173 int delayed_next_scr; 174 175 char font_loading_in_progress; 176 char switch_in_progress; 177 char videoio_in_progress; 178 char write_in_progress; 179 char blink_in_progress; 180 181 long scrn_time_stamp; 182 183 char cursor_base; 184 char cursor_height; 185 186 u_char scr_map[256]; 187 u_char scr_rmap[256]; 188 189 #ifdef _SC_MD_SOFTC_DECLARED_ 190 sc_md_softc_t md; /* machine dependent vars */ 191 #endif 192 193 #ifndef SC_NO_PALETTE_LOADING 194 u_char palette[256*3]; 195 #endif 196 197 #ifndef SC_NO_FONT_LOADING 198 int fonts_loaded; 199 #define FONT_NONE 1 200 #define FONT_8 2 201 #define FONT_14 4 202 #define FONT_16 8 203 u_char *font_8; 204 u_char *font_14; 205 u_char *font_16; 206 #endif 207 208 u_char mouse_char; 209 210 } sc_softc_t; 211 212 /* virtual screen */ 213 typedef struct scr_stat { 214 int index; /* index of this vty */ 215 struct sc_softc *sc; /* pointer to softc */ 216 struct sc_rndr_sw *rndr; /* renderer */ 217 sc_vtb_t scr; 218 sc_vtb_t vtb; 219 220 int xpos; /* current X position */ 221 int ypos; /* current Y position */ 222 int xsize; /* X text size */ 223 int ysize; /* Y text size */ 224 int xpixel; /* X graphics size */ 225 int ypixel; /* Y graphics size */ 226 int xoff; /* X offset in pixel mode */ 227 int yoff; /* Y offset in pixel mode */ 228 229 u_char *font; /* current font */ 230 int font_size; /* fontsize in Y direction */ 231 232 int start; /* modified area start */ 233 int end; /* modified area end */ 234 235 struct sc_term_sw *tsw; 236 void *ts; 237 238 int status; /* status (bitfield) */ 239 int kbd_mode; /* keyboard I/O mode */ 240 241 int cursor_pos; /* cursor buffer position */ 242 int cursor_oldpos; /* cursor old buffer position */ 243 u_short cursor_saveunder_char; /* saved char under cursor */ 244 u_short cursor_saveunder_attr; /* saved attr under cursor */ 245 char cursor_base; /* cursor base line # */ 246 char cursor_height; /* cursor height */ 247 248 int mouse_pos; /* mouse buffer position */ 249 int mouse_oldpos; /* mouse old buffer position */ 250 short mouse_xpos; /* mouse x coordinate */ 251 short mouse_ypos; /* mouse y coordinate */ 252 short mouse_buttons; /* mouse buttons */ 253 int mouse_cut_start; /* mouse cut start pos */ 254 int mouse_cut_end; /* mouse cut end pos */ 255 struct proc *mouse_proc; /* proc* of controlling proc */ 256 pid_t mouse_pid; /* pid of controlling proc */ 257 int mouse_signal; /* signal # to report with */ 258 259 u_short bell_duration; 260 u_short bell_pitch; 261 262 u_char border; /* border color */ 263 int mode; /* mode */ 264 pid_t pid; /* pid of controlling proc */ 265 struct proc *proc; /* proc* of controlling proc */ 266 struct vt_mode smode; /* switch mode */ 267 268 sc_vtb_t *history; /* circular history buffer */ 269 int history_pos; /* position shown on screen */ 270 int history_size; /* size of history buffer */ 271 272 int splash_save_mode; /* saved mode for splash screen */ 273 int splash_save_status; /* saved status for splash screen */ 274 #ifdef _SCR_MD_STAT_DECLARED_ 275 scr_md_stat_t md; /* machine dependent vars */ 276 #endif 277 } scr_stat; 278 279 #ifndef SC_NORM_ATTR 280 #define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK) 281 #endif 282 #ifndef SC_NORM_REV_ATTR 283 #define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 284 #endif 285 #ifndef SC_KERNEL_CONS_ATTR 286 #define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK) 287 #endif 288 #ifndef SC_KERNEL_CONS_REV_ATTR 289 #define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 290 #endif 291 292 /* terminal emulator */ 293 294 #ifndef SC_DFLT_TERM 295 #define SC_DFLT_TERM "*" /* any */ 296 #endif 297 298 typedef int sc_term_init_t(scr_stat *scp, void **tcp, int code); 299 #define SC_TE_COLD_INIT 0 300 #define SC_TE_WARM_INIT 1 301 typedef int sc_term_term_t(scr_stat *scp, void **tcp); 302 typedef void sc_term_puts_t(scr_stat *scp, u_char *buf, int len); 303 typedef int sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd, 304 caddr_t data, int flag, struct proc *p); 305 typedef int sc_term_reset_t(scr_stat *scp, int code); 306 #define SC_TE_HARD_RESET 0 307 #define SC_TE_SOFT_RESET 1 308 typedef void sc_term_default_attr_t(scr_stat *scp, int norm, int rev); 309 typedef void sc_term_clear_t(scr_stat *scp); 310 typedef void sc_term_notify_t(scr_stat *scp, int event); 311 #define SC_TE_NOTIFY_VTSWITCH_IN 0 312 #define SC_TE_NOTIFY_VTSWITCH_OUT 1 313 typedef int sc_term_input_t(scr_stat *scp, int c, struct tty *tp); 314 315 typedef struct sc_term_sw { 316 LIST_ENTRY(sc_term_sw) link; 317 char *te_name; /* name of the emulator */ 318 char *te_desc; /* description */ 319 char *te_renderer; /* matching renderer */ 320 size_t te_size; /* size of internal buffer */ 321 int te_refcount; /* reference counter */ 322 sc_term_init_t *te_init; 323 sc_term_term_t *te_term; 324 sc_term_puts_t *te_puts; 325 sc_term_ioctl_t *te_ioctl; 326 sc_term_reset_t *te_reset; 327 sc_term_default_attr_t *te_default_attr; 328 sc_term_clear_t *te_clear; 329 sc_term_notify_t *te_notify; 330 sc_term_input_t *te_input; 331 } sc_term_sw_t; 332 333 extern struct linker_set scterm_set; 334 335 #define SCTERM_MODULE(name, sw) \ 336 DATA_SET(scterm_set, sw); \ 337 static int \ 338 scterm_##name##_event(module_t mod, int type, void *data) \ 339 { \ 340 switch (type) { \ 341 case MOD_LOAD: \ 342 return sc_term_add(&sw); \ 343 case MOD_UNLOAD: \ 344 if (sw.te_refcount > 0) \ 345 return EBUSY; \ 346 return sc_term_remove(&sw); \ 347 default: \ 348 break; \ 349 } \ 350 return 0; \ 351 } \ 352 static moduledata_t scterm_##name##_mod = { \ 353 "scterm-" #name, \ 354 scterm_##name##_event, \ 355 NULL, \ 356 }; \ 357 DECLARE_MODULE(scterm_##name, scterm_##name##_mod, \ 358 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 359 360 /* renderer function table */ 361 typedef void vr_clear_t(scr_stat *scp, int c, int attr); 362 typedef void vr_draw_border_t(scr_stat *scp, int color); 363 typedef void vr_draw_t(scr_stat *scp, int from, int count, int flip); 364 typedef void vr_set_cursor_t(scr_stat *scp, int base, int height, int blink); 365 typedef void vr_draw_cursor_t(scr_stat *scp, int at, int blink, 366 int on, int flip); 367 typedef void vr_blink_cursor_t(scr_stat *scp, int at, int flip); 368 typedef void vr_set_mouse_t(scr_stat *scp); 369 typedef void vr_draw_mouse_t(scr_stat *scp, int x, int y, int on); 370 371 typedef struct sc_rndr_sw { 372 vr_clear_t *clear; 373 vr_draw_border_t *draw_border; 374 vr_draw_t *draw; 375 vr_set_cursor_t *set_cursor; 376 vr_draw_cursor_t *draw_cursor; 377 vr_blink_cursor_t *blink_cursor; 378 vr_set_mouse_t *set_mouse; 379 vr_draw_mouse_t *draw_mouse; 380 } sc_rndr_sw_t; 381 382 typedef struct sc_renderer { 383 char *name; 384 int mode; 385 sc_rndr_sw_t *rndrsw; 386 LIST_ENTRY(sc_renderer) link; 387 } sc_renderer_t; 388 389 extern struct linker_set scrndr_set; 390 391 #define RENDERER(name, mode, sw, set) \ 392 static struct sc_renderer scrndr_##name##_##mode## = { \ 393 #name, mode, &sw \ 394 }; \ 395 DATA_SET(scrndr_set, scrndr_##name##_##mode##); \ 396 DATA_SET(set, scrndr_##name##_##mode##) 397 398 #define RENDERER_MODULE(name, set) \ 399 static int \ 400 scrndr_##name##_event(module_t mod, int type, void *data) \ 401 { \ 402 sc_renderer_t **list; \ 403 sc_renderer_t *p; \ 404 int error = 0; \ 405 switch (type) { \ 406 case MOD_LOAD: \ 407 list = (sc_renderer_t **)set.ls_items; \ 408 while ((p = *list++) != NULL) { \ 409 error = sc_render_add(p); \ 410 if (error) \ 411 break; \ 412 } \ 413 break; \ 414 case MOD_UNLOAD: \ 415 list = (sc_renderer_t **)set.ls_items; \ 416 while ((p = *list++) != NULL) { \ 417 error = sc_render_remove(p); \ 418 if (error) \ 419 break; \ 420 } \ 421 break; \ 422 default: \ 423 break; \ 424 } \ 425 return error; \ 426 } \ 427 static moduledata_t scrndr_##name##_mod = { \ 428 "scrndr-" #name, \ 429 scrndr_##name##_event, \ 430 NULL, \ 431 }; \ 432 DECLARE_MODULE(scrndr_##name##, scrndr_##name##_mod, \ 433 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 434 435 typedef struct { 436 int cursor_start; 437 int cursor_end; 438 int shift_state; 439 int bell_pitch; 440 } bios_values_t; 441 442 /* other macros */ 443 #define ISTEXTSC(scp) (!((scp)->status \ 444 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))) 445 #define ISGRAPHSC(scp) (((scp)->status \ 446 & (UNKNOWN_MODE | GRAPHICS_MODE))) 447 #define ISPIXELSC(scp) (((scp)->status \ 448 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\ 449 == PIXEL_MODE) 450 #define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE) 451 452 #ifndef ISMOUSEAVAIL 453 #ifdef SC_ALT_MOUSE_IMAGE 454 #define ISMOUSEAVAIL(af) (1) 455 #else 456 #define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT) 457 #endif /* SC_ALT_MOUSE_IMAGE */ 458 #define ISFONTAVAIL(af) ((af) & V_ADP_FONT) 459 #define ISPALAVAIL(af) ((af) & V_ADP_PALETTE) 460 #endif /* ISMOUSEAVAIL */ 461 462 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 463 464 #define kbd_read_char(kbd, wait) \ 465 (*kbdsw[(kbd)->kb_index]->read_char)((kbd), (wait)) 466 #define kbd_check_char(kbd) \ 467 (*kbdsw[(kbd)->kb_index]->check_char)((kbd)) 468 #define kbd_enable(kbd) \ 469 (*kbdsw[(kbd)->kb_index]->enable)((kbd)) 470 #define kbd_disable(kbd) \ 471 (*kbdsw[(kbd)->kb_index]->disable)((kbd)) 472 #define kbd_lock(kbd, lockf) \ 473 (*kbdsw[(kbd)->kb_index]->lock)((kbd), (lockf)) 474 #define kbd_ioctl(kbd, cmd, arg) \ 475 (((kbd) == NULL) ? \ 476 ENODEV : (*kbdsw[(kbd)->kb_index]->ioctl)((kbd), (cmd), (arg))) 477 #define kbd_clear_state(kbd) \ 478 (*kbdsw[(kbd)->kb_index]->clear_state)((kbd)) 479 #define kbd_get_fkeystr(kbd, fkey, len) \ 480 (*kbdsw[(kbd)->kb_index]->get_fkeystr)((kbd), (fkey), (len)) 481 #define kbd_poll(kbd, on) \ 482 (*kbdsw[(kbd)->kb_index]->poll)((kbd), (on)) 483 484 /* syscons.c */ 485 extern int (*sc_user_ioctl)(dev_t dev, u_long cmd, caddr_t data, 486 int flag, struct proc *p); 487 488 int sc_probe_unit(int unit, int flags); 489 int sc_attach_unit(int unit, int flags); 490 int sc_resume_unit(int unit); 491 492 int set_mode(scr_stat *scp); 493 494 void sc_set_border(scr_stat *scp, int color); 495 void sc_load_font(scr_stat *scp, int page, int size, u_char *font, 496 int base, int count); 497 void sc_save_font(scr_stat *scp, int page, int size, u_char *font, 498 int base, int count); 499 void sc_show_font(scr_stat *scp, int page); 500 501 void sc_touch_scrn_saver(void); 502 void sc_puts(scr_stat *scp, u_char *buf, int len); 503 void sc_draw_cursor_image(scr_stat *scp); 504 void sc_remove_cursor_image(scr_stat *scp); 505 void sc_set_cursor_image(scr_stat *scp); 506 int sc_clean_up(scr_stat *scp); 507 int sc_switch_scr(sc_softc_t *sc, u_int next_scr); 508 void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard); 509 int sc_init_emulator(scr_stat *scp, char *name); 510 #ifndef SC_NO_CUTPASTE 511 void sc_paste(scr_stat *scp, u_char *p, int count); 512 #endif /* SC_NO_CUTPASTE */ 513 void sc_bell(scr_stat *scp, int pitch, int duration); 514 515 /* schistory.c */ 516 #ifndef SC_NO_HISTORY 517 int sc_alloc_history_buffer(scr_stat *scp, int lines, 518 int prev_ysize, int wait); 519 void sc_free_history_buffer(scr_stat *scp, int prev_ysize); 520 void sc_hist_save(scr_stat *scp); 521 #define sc_hist_save_one_line(scp, from) \ 522 sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize) 523 int sc_hist_restore(scr_stat *scp); 524 void sc_hist_home(scr_stat *scp); 525 void sc_hist_end(scr_stat *scp); 526 int sc_hist_up_line(scr_stat *scp); 527 int sc_hist_down_line(scr_stat *scp); 528 int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data, 529 int flag, struct proc *p); 530 #endif /* SC_NO_HISTORY */ 531 532 /* scmouse.c */ 533 #ifndef SC_NO_CUTPASTE 534 void sc_alloc_cut_buffer(scr_stat *scp, int wait); 535 void sc_draw_mouse_image(scr_stat *scp); 536 void sc_remove_mouse_image(scr_stat *scp); 537 int sc_inside_cutmark(scr_stat *scp, int pos); 538 void sc_remove_cutmarking(scr_stat *scp); 539 void sc_remove_all_cutmarkings(sc_softc_t *scp); 540 void sc_remove_all_mouse(sc_softc_t *scp); 541 #else 542 #define sc_inside_cutmark(scp, pos) FALSE 543 #define sc_remove_cutmarking(scp) 544 #endif /* SC_NO_CUTPASTE */ 545 #ifndef SC_NO_SYSMOUSE 546 void sc_mouse_move(scr_stat *scp, int x, int y); 547 int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, 548 int flag, struct proc *p); 549 #endif /* SC_NO_SYSMOUSE */ 550 551 /* scvidctl.c */ 552 int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, 553 int xsize, int ysize, int fontsize); 554 int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode); 555 int sc_set_pixel_mode(scr_stat *scp, struct tty *tp, 556 int xsize, int ysize, int fontsize); 557 int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, 558 struct proc *p); 559 560 int sc_render_add(sc_renderer_t *rndr); 561 int sc_render_remove(sc_renderer_t *rndr); 562 sc_rndr_sw_t *sc_render_match(scr_stat *scp, char *name, int mode); 563 564 /* scvtb.c */ 565 void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, 566 void *buffer, int wait); 567 void sc_vtb_destroy(sc_vtb_t *vtb); 568 size_t sc_vtb_size(int cols, int rows); 569 void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr); 570 571 int sc_vtb_getc(sc_vtb_t *vtb, int at); 572 int sc_vtb_geta(sc_vtb_t *vtb, int at); 573 void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a); 574 vm_offset_t sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a); 575 vm_offset_t sc_vtb_pointer(sc_vtb_t *vtb, int at); 576 int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset); 577 578 #define sc_vtb_tail(vtb) ((vtb)->vtb_tail) 579 #define sc_vtb_rows(vtb) ((vtb)->vtb_rows) 580 #define sc_vtb_cols(vtb) ((vtb)->vtb_cols) 581 582 void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to, 583 int count); 584 void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, 585 int count); 586 void sc_vtb_seek(sc_vtb_t *vtb, int pos); 587 void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr); 588 void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count); 589 void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr); 590 void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr); 591 592 /* sysmouse.c */ 593 int sysmouse_event(mouse_info_t *info); 594 595 /* scterm.c */ 596 void sc_move_cursor(scr_stat *scp, int x, int y); 597 void sc_clear_screen(scr_stat *scp); 598 int sc_term_add(sc_term_sw_t *sw); 599 int sc_term_remove(sc_term_sw_t *sw); 600 sc_term_sw_t *sc_term_match(char *name); 601 sc_term_sw_t *sc_term_match_by_number(int index); 602 603 /* machine dependent functions */ 604 int sc_max_unit(void); 605 sc_softc_t *sc_get_softc(int unit, int flags); 606 sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd); 607 int sc_get_cons_priority(int *unit, int *flags); 608 void sc_get_bios_values(bios_values_t *values); 609 int sc_tone(int herz); 610 611 #endif /* !_DEV_SYSCONS_SYSCONS_H_ */ 612