syscons.h revision 56329
169800Stomsoft/*- 269800Stomsoft * Copyright (c) 1995-1998 S�ren Schmidt 369800Stomsoft * All rights reserved. 469800Stomsoft * 569800Stomsoft * Redistribution and use in source and binary forms, with or without 669800Stomsoft * modification, are permitted provided that the following conditions 769800Stomsoft * are met: 869800Stomsoft * 1. Redistributions of source code must retain the above copyright 969800Stomsoft * notice, this list of conditions and the following disclaimer, 1069800Stomsoft * without modification, immediately at the beginning of the file. 1169800Stomsoft * 2. Redistributions in binary form must reproduce the above copyright 1269800Stomsoft * notice, this list of conditions and the following disclaimer in the 1369800Stomsoft * documentation and/or other materials provided with the distribution. 1474815Sru * 3. The name of the author may not be used to endorse or promote products 1569800Stomsoft * derived from this software without specific prior written permission. 1669800Stomsoft * 1769800Stomsoft * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 1869800Stomsoft * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 1969800Stomsoft * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 2069800Stomsoft * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 2169800Stomsoft * 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 56329 2000-01-20 13:23:03Z yokota $ 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 */ 118typedef 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 135struct keyboard; 136struct video_adapter; 137struct scr_stat; 138struct tty; 139 140typedef 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_8 2 200#define FONT_14 4 201#define FONT_16 8 202 u_char *font_8; 203 u_char *font_14; 204 u_char *font_16; 205#endif 206 207 u_char mouse_char; 208 209} sc_softc_t; 210 211/* virtual screen */ 212typedef struct scr_stat { 213 int index; /* index of this vty */ 214 struct sc_softc *sc; /* pointer to softc */ 215 struct sc_rndr_sw *rndr; /* renderer */ 216 sc_vtb_t scr; 217 sc_vtb_t vtb; 218 219 int xpos; /* current X position */ 220 int ypos; /* current Y position */ 221 int xsize; /* X text size */ 222 int ysize; /* Y text size */ 223 int xpixel; /* X graphics size */ 224 int ypixel; /* Y graphics size */ 225 int xoff; /* X offset in pixel mode */ 226 int yoff; /* Y offset in pixel mode */ 227 228 u_char *font; /* current font */ 229 int font_size; /* fontsize in Y direction */ 230 231 int start; /* modified area start */ 232 int end; /* modified area end */ 233 234 struct sc_term_sw *tsw; 235 void *ts; 236 237 int status; /* status (bitfield) */ 238 int kbd_mode; /* keyboard I/O mode */ 239 240 int cursor_pos; /* cursor buffer position */ 241 int cursor_oldpos; /* cursor old buffer position */ 242 u_short cursor_saveunder_char; /* saved char under cursor */ 243 u_short cursor_saveunder_attr; /* saved attr under cursor */ 244 char cursor_base; /* cursor base line # */ 245 char cursor_height; /* cursor height */ 246 247 int mouse_pos; /* mouse buffer position */ 248 int mouse_oldpos; /* mouse old buffer position */ 249 short mouse_xpos; /* mouse x coordinate */ 250 short mouse_ypos; /* mouse y coordinate */ 251 short mouse_buttons; /* mouse buttons */ 252 int mouse_cut_start; /* mouse cut start pos */ 253 int mouse_cut_end; /* mouse cut end pos */ 254 struct proc *mouse_proc; /* proc* of controlling proc */ 255 pid_t mouse_pid; /* pid of controlling proc */ 256 int mouse_signal; /* signal # to report with */ 257 258 u_short bell_duration; 259 u_short bell_pitch; 260 261 u_char border; /* border color */ 262 int mode; /* mode */ 263 pid_t pid; /* pid of controlling proc */ 264 struct proc *proc; /* proc* of controlling proc */ 265 struct vt_mode smode; /* switch mode */ 266 267 sc_vtb_t *history; /* circular history buffer */ 268 int history_pos; /* position shown on screen */ 269 int history_size; /* size of history buffer */ 270 271 int splash_save_mode; /* saved mode for splash screen */ 272 int splash_save_status; /* saved status for splash screen */ 273#ifdef _SCR_MD_STAT_DECLARED_ 274 scr_md_stat_t md; /* machine dependent vars */ 275#endif 276} scr_stat; 277 278#ifndef SC_NORM_ATTR 279#define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK) 280#endif 281#ifndef SC_NORM_REV_ATTR 282#define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 283#endif 284#ifndef SC_KERNEL_CONS_ATTR 285#define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK) 286#endif 287#ifndef SC_KERNEL_CONS_REV_ATTR 288#define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 289#endif 290 291/* terminal emulator */ 292 293#ifndef SC_DFLT_TERM 294#define SC_DFLT_TERM "*" /* any */ 295#endif 296 297typedef int sc_term_init_t(scr_stat *scp, void **tcp, int code); 298#define SC_TE_COLD_INIT 0 299#define SC_TE_WARM_INIT 1 300typedef int sc_term_term_t(scr_stat *scp, void **tcp); 301typedef void sc_term_puts_t(scr_stat *scp, u_char *buf, int len); 302typedef int sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd, 303 caddr_t data, int flag, struct proc *p); 304typedef int sc_term_reset_t(scr_stat *scp, int code); 305#define SC_TE_HARD_RESET 0 306#define SC_TE_SOFT_RESET 1 307typedef void sc_term_default_attr_t(scr_stat *scp, int norm, int rev); 308typedef void sc_term_clear_t(scr_stat *scp); 309typedef void sc_term_notify_t(scr_stat *scp, int event); 310#define SC_TE_NOTIFY_VTSWITCH_IN 0 311#define SC_TE_NOTIFY_VTSWITCH_OUT 1 312typedef int sc_term_input_t(scr_stat *scp, int c, struct tty *tp); 313 314typedef struct sc_term_sw { 315 LIST_ENTRY(sc_term_sw) link; 316 char *te_name; /* name of the emulator */ 317 char *te_desc; /* description */ 318 char *te_renderer; /* matching renderer */ 319 size_t te_size; /* size of internal buffer */ 320 int te_refcount; /* reference counter */ 321 sc_term_init_t *te_init; 322 sc_term_term_t *te_term; 323 sc_term_puts_t *te_puts; 324 sc_term_ioctl_t *te_ioctl; 325 sc_term_reset_t *te_reset; 326 sc_term_default_attr_t *te_default_attr; 327 sc_term_clear_t *te_clear; 328 sc_term_notify_t *te_notify; 329 sc_term_input_t *te_input; 330} sc_term_sw_t; 331 332extern struct linker_set scterm_set; 333 334#define SCTERM_MODULE(name, sw) \ 335 DATA_SET(scterm_set, sw); \ 336 static int \ 337 scterm_##name##_event(module_t mod, int type, void *data) \ 338 { \ 339 switch (type) { \ 340 case MOD_LOAD: \ 341 return sc_term_add(&sw); \ 342 case MOD_UNLOAD: \ 343 if (sw.te_refcount > 0) \ 344 return EBUSY; \ 345 return sc_term_remove(&sw); \ 346 default: \ 347 break; \ 348 } \ 349 return 0; \ 350 } \ 351 static moduledata_t scterm_##name##_mod = { \ 352 "scterm-" #name, \ 353 scterm_##name##_event, \ 354 NULL, \ 355 }; \ 356 DECLARE_MODULE(scterm_##name, scterm_##name##_mod, \ 357 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 358 359/* renderer function table */ 360typedef void vr_clear_t(scr_stat *scp, int c, int attr); 361typedef void vr_draw_border_t(scr_stat *scp, int color); 362typedef void vr_draw_t(scr_stat *scp, int from, int count, int flip); 363typedef void vr_set_cursor_t(scr_stat *scp, int base, int height, int blink); 364typedef void vr_draw_cursor_t(scr_stat *scp, int at, int blink, 365 int on, int flip); 366typedef void vr_blink_cursor_t(scr_stat *scp, int at, int flip); 367typedef void vr_set_mouse_t(scr_stat *scp); 368typedef void vr_draw_mouse_t(scr_stat *scp, int x, int y, int on); 369 370typedef struct sc_rndr_sw { 371 vr_clear_t *clear; 372 vr_draw_border_t *draw_border; 373 vr_draw_t *draw; 374 vr_set_cursor_t *set_cursor; 375 vr_draw_cursor_t *draw_cursor; 376 vr_blink_cursor_t *blink_cursor; 377 vr_set_mouse_t *set_mouse; 378 vr_draw_mouse_t *draw_mouse; 379} sc_rndr_sw_t; 380 381typedef struct sc_renderer { 382 char *name; 383 int mode; 384 sc_rndr_sw_t *rndrsw; 385 LIST_ENTRY(sc_renderer) link; 386} sc_renderer_t; 387 388extern struct linker_set scrndr_set; 389 390#define RENDERER(name, mode, sw, set) \ 391 static struct sc_renderer scrndr_##name##_##mode## = { \ 392 #name, mode, &sw \ 393 }; \ 394 DATA_SET(scrndr_set, scrndr_##name##_##mode##); \ 395 DATA_SET(set, scrndr_##name##_##mode##) 396 397#define RENDERER_MODULE(name, set) \ 398 static int \ 399 scrndr_##name##_event(module_t mod, int type, void *data) \ 400 { \ 401 sc_renderer_t **list; \ 402 sc_renderer_t *p; \ 403 int error = 0; \ 404 switch (type) { \ 405 case MOD_LOAD: \ 406 list = (sc_renderer_t **)set.ls_items; \ 407 while ((p = *list++) != NULL) { \ 408 error = sc_render_add(p); \ 409 if (error) \ 410 break; \ 411 } \ 412 break; \ 413 case MOD_UNLOAD: \ 414 list = (sc_renderer_t **)set.ls_items; \ 415 while ((p = *list++) != NULL) { \ 416 error = sc_render_remove(p); \ 417 if (error) \ 418 break; \ 419 } \ 420 break; \ 421 default: \ 422 break; \ 423 } \ 424 return error; \ 425 } \ 426 static moduledata_t scrndr_##name##_mod = { \ 427 "scrndr-" #name, \ 428 scrndr_##name##_event, \ 429 NULL, \ 430 }; \ 431 DECLARE_MODULE(scrndr_##name##, scrndr_##name##_mod, \ 432 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 433 434typedef struct { 435 int cursor_start; 436 int cursor_end; 437 int shift_state; 438 int bell_pitch; 439} bios_values_t; 440 441/* other macros */ 442#define ISTEXTSC(scp) (!((scp)->status \ 443 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))) 444#define ISGRAPHSC(scp) (((scp)->status \ 445 & (UNKNOWN_MODE | GRAPHICS_MODE))) 446#define ISPIXELSC(scp) (((scp)->status \ 447 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\ 448 == PIXEL_MODE) 449#define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE) 450 451#ifndef ISMOUSEAVAIL 452#ifdef SC_ALT_MOUSE_IMAGE 453#define ISMOUSEAVAIL(af) (1) 454#else 455#define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT) 456#endif /* SC_ALT_MOUSE_IMAGE */ 457#define ISFONTAVAIL(af) ((af) & V_ADP_FONT) 458#define ISPALAVAIL(af) ((af) & V_ADP_PALETTE) 459#endif /* ISMOUSEAVAIL */ 460 461#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 462 463#define kbd_read_char(kbd, wait) \ 464 (*kbdsw[(kbd)->kb_index]->read_char)((kbd), (wait)) 465#define kbd_check_char(kbd) \ 466 (*kbdsw[(kbd)->kb_index]->check_char)((kbd)) 467#define kbd_enable(kbd) \ 468 (*kbdsw[(kbd)->kb_index]->enable)((kbd)) 469#define kbd_disable(kbd) \ 470 (*kbdsw[(kbd)->kb_index]->disable)((kbd)) 471#define kbd_lock(kbd, lockf) \ 472 (*kbdsw[(kbd)->kb_index]->lock)((kbd), (lockf)) 473#define kbd_ioctl(kbd, cmd, arg) \ 474 (((kbd) == NULL) ? \ 475 ENODEV : (*kbdsw[(kbd)->kb_index]->ioctl)((kbd), (cmd), (arg))) 476#define kbd_clear_state(kbd) \ 477 (*kbdsw[(kbd)->kb_index]->clear_state)((kbd)) 478#define kbd_get_fkeystr(kbd, fkey, len) \ 479 (*kbdsw[(kbd)->kb_index]->get_fkeystr)((kbd), (fkey), (len)) 480#define kbd_poll(kbd, on) \ 481 (*kbdsw[(kbd)->kb_index]->poll)((kbd), (on)) 482 483/* syscons.c */ 484extern int (*sc_user_ioctl)(dev_t dev, u_long cmd, caddr_t data, 485 int flag, struct proc *p); 486 487int sc_probe_unit(int unit, int flags); 488int sc_attach_unit(int unit, int flags); 489int sc_resume_unit(int unit); 490 491int set_mode(scr_stat *scp); 492 493void sc_set_border(scr_stat *scp, int color); 494void sc_load_font(scr_stat *scp, int page, int size, u_char *font, 495 int base, int count); 496void sc_save_font(scr_stat *scp, int page, int size, u_char *font, 497 int base, int count); 498void sc_show_font(scr_stat *scp, int page); 499 500void sc_touch_scrn_saver(void); 501void sc_puts(scr_stat *scp, u_char *buf, int len); 502void sc_draw_cursor_image(scr_stat *scp); 503void sc_remove_cursor_image(scr_stat *scp); 504void sc_set_cursor_image(scr_stat *scp); 505int sc_clean_up(scr_stat *scp); 506int sc_switch_scr(sc_softc_t *sc, u_int next_scr); 507void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard); 508int sc_init_emulator(scr_stat *scp, char *name); 509void sc_paste(scr_stat *scp, u_char *p, int count); 510void sc_bell(scr_stat *scp, int pitch, int duration); 511 512/* schistory.c */ 513#ifndef SC_NO_HISTORY 514int sc_alloc_history_buffer(scr_stat *scp, int lines, 515 int prev_ysize, int wait); 516void sc_free_history_buffer(scr_stat *scp, int prev_ysize); 517void sc_hist_save(scr_stat *scp); 518#define sc_hist_save_one_line(scp, from) \ 519 sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize) 520int sc_hist_restore(scr_stat *scp); 521void sc_hist_home(scr_stat *scp); 522void sc_hist_end(scr_stat *scp); 523int sc_hist_up_line(scr_stat *scp); 524int sc_hist_down_line(scr_stat *scp); 525int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data, 526 int flag, struct proc *p); 527#endif /* SC_NO_HISTORY */ 528 529/* scmouse.c */ 530#ifndef SC_NO_CUTPASTE 531void sc_alloc_cut_buffer(scr_stat *scp, int wait); 532void sc_draw_mouse_image(scr_stat *scp); 533void sc_remove_mouse_image(scr_stat *scp); 534int sc_inside_cutmark(scr_stat *scp, int pos); 535void sc_remove_cutmarking(scr_stat *scp); 536void sc_remove_all_cutmarkings(sc_softc_t *scp); 537void sc_remove_all_mouse(sc_softc_t *scp); 538#else 539#define sc_inside_cutmark(scp, pos) FALSE 540#define sc_remove_cutmarking(scp) 541#endif /* SC_NO_CUTPASTE */ 542#ifndef SC_NO_SYSMOUSE 543void sc_mouse_move(scr_stat *scp, int x, int y); 544int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, 545 int flag, struct proc *p); 546#endif /* SC_NO_SYSMOUSE */ 547 548/* scvidctl.c */ 549int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, 550 int xsize, int ysize, int fontsize); 551int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode); 552int sc_set_pixel_mode(scr_stat *scp, struct tty *tp, 553 int xsize, int ysize, int fontsize); 554int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, 555 struct proc *p); 556 557int sc_render_add(sc_renderer_t *rndr); 558int sc_render_remove(sc_renderer_t *rndr); 559sc_rndr_sw_t *sc_render_match(scr_stat *scp, char *name, int mode); 560 561/* scvtb.c */ 562void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, 563 void *buffer, int wait); 564void sc_vtb_destroy(sc_vtb_t *vtb); 565size_t sc_vtb_size(int cols, int rows); 566void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr); 567 568int sc_vtb_getc(sc_vtb_t *vtb, int at); 569int sc_vtb_geta(sc_vtb_t *vtb, int at); 570void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a); 571vm_offset_t sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a); 572vm_offset_t sc_vtb_pointer(sc_vtb_t *vtb, int at); 573int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset); 574 575#define sc_vtb_tail(vtb) ((vtb)->vtb_tail) 576#define sc_vtb_rows(vtb) ((vtb)->vtb_rows) 577#define sc_vtb_cols(vtb) ((vtb)->vtb_cols) 578 579void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to, 580 int count); 581void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, 582 int count); 583void sc_vtb_seek(sc_vtb_t *vtb, int pos); 584void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr); 585void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count); 586void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr); 587void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr); 588 589/* sysmouse.c */ 590int sysmouse_event(mouse_info_t *info); 591 592/* scterm.c */ 593void sc_move_cursor(scr_stat *scp, int x, int y); 594void sc_clear_screen(scr_stat *scp); 595int sc_term_add(sc_term_sw_t *sw); 596int sc_term_remove(sc_term_sw_t *sw); 597sc_term_sw_t *sc_term_match(char *name); 598sc_term_sw_t *sc_term_match_by_number(int index); 599 600/* machine dependent functions */ 601int sc_max_unit(void); 602sc_softc_t *sc_get_softc(int unit, int flags); 603sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd); 604int sc_get_cons_priority(int *unit, int *flags); 605void sc_get_bios_values(bios_values_t *values); 606int sc_tone(int herz); 607 608#endif /* !_DEV_SYSCONS_SYSCONS_H_ */ 609