Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/syscons/syscons.h
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1 /*- 2 * SPDX-License-Identifier: BSD-3-Clause 3 * 4 * Copyright (c) 1995-1998 Søren Schmidt 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The DragonFly Project 8 * by Sascha Wildner <saw@online.de> 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer, 15 * without modification, immediately at the beginning of the file. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 3. The name of the author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 23 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 24 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 25 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 26 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 27 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 31 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 * 33 * $FreeBSD$ 34 */ 35 36 #ifndef _DEV_SYSCONS_SYSCONS_H_ 37 #define _DEV_SYSCONS_SYSCONS_H_ 38 39 #include <sys/kdb.h> /* XXX */ 40 #include <sys/_lock.h> 41 #include <sys/_mutex.h> 42 43 /* default values for configuration options */ 44 45 #ifndef MAXCONS 46 #define MAXCONS 16 47 #endif 48 49 #ifdef SC_NO_SYSMOUSE 50 #undef SC_NO_CUTPASTE 51 #define SC_NO_CUTPASTE 1 52 #endif 53 54 #ifdef SC_NO_MODE_CHANGE 55 #undef SC_PIXEL_MODE 56 #endif 57 58 /* Always load font data if the pixel (raster text) mode is to be used. */ 59 #ifdef SC_PIXEL_MODE 60 #undef SC_NO_FONT_LOADING 61 #endif 62 63 /* 64 * If font data is not available, the `arrow'-shaped mouse cursor cannot 65 * be drawn. Use the alternative drawing method. 66 */ 67 #ifdef SC_NO_FONT_LOADING 68 #undef SC_ALT_MOUSE_IMAGE 69 #define SC_ALT_MOUSE_IMAGE 1 70 #endif 71 72 #ifndef SC_CURSOR_CHAR 73 #define SC_CURSOR_CHAR 7 74 #endif 75 76 #ifndef SC_MOUSE_CHAR 77 #define SC_MOUSE_CHAR 8 78 #endif 79 80 #if SC_MOUSE_CHAR <= SC_CURSOR_CHAR && SC_CURSOR_CHAR < (SC_MOUSE_CHAR + 4) 81 #undef SC_CURSOR_CHAR 82 #define SC_CURSOR_CHAR (SC_MOUSE_CHAR + 4) 83 #endif 84 85 #ifndef SC_DEBUG_LEVEL 86 #define SC_DEBUG_LEVEL 0 87 #endif 88 89 #define DPRINTF(l, p) if (SC_DEBUG_LEVEL >= (l)) printf p 90 91 #define SC_DRIVER_NAME "sc" 92 #define SC_VTY(dev) (((sc_ttysoftc *)tty_softc(tp))->st_index) 93 #define SC_DEV(sc, vty) ((sc)->dev[(vty) - (sc)->first_vty]) 94 #define SC_STAT(tp) (*((scr_stat **)&((sc_ttysoftc *)tty_softc(tp))->st_stat)) 95 96 /* printable chars */ 97 #ifndef PRINTABLE 98 #define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \ 99 || (ch) < 0x07) 100 #endif 101 102 /* macros for "intelligent" screen update */ 103 #define mark_for_update(scp, x) {\ 104 if ((x) < scp->start) scp->start = (x);\ 105 else if ((x) > scp->end) scp->end = (x);\ 106 } 107 #define mark_all(scp) {\ 108 scp->start = 0;\ 109 scp->end = scp->xsize * scp->ysize - 1;\ 110 } 111 112 /* vty status flags (scp->status) */ 113 #define UNKNOWN_MODE 0x00010 /* unknown video mode */ 114 #define SWITCH_WAIT_REL 0x00080 /* waiting for vty release */ 115 #define SWITCH_WAIT_ACQ 0x00100 /* waiting for vty ack */ 116 #define BUFFER_SAVED 0x00200 /* vty buffer is saved */ 117 #define CURSOR_ENABLED 0x00400 /* text cursor is enabled */ 118 #define MOUSE_MOVED 0x01000 /* mouse cursor has moved */ 119 #define MOUSE_CUTTING 0x02000 /* mouse cursor is cutting text */ 120 #define MOUSE_VISIBLE 0x04000 /* mouse cursor is showing */ 121 #define GRAPHICS_MODE 0x08000 /* vty is in a graphics mode */ 122 #define PIXEL_MODE 0x10000 /* vty is in a raster text mode */ 123 #define SAVER_RUNNING 0x20000 /* screen saver is running */ 124 #define VR_CURSOR_BLINK 0x40000 /* blinking text cursor */ 125 #define VR_CURSOR_ON 0x80000 /* text cursor is on */ 126 #define MOUSE_HIDDEN 0x100000 /* mouse cursor is temporarily hidden */ 127 128 /* misc defines */ 129 #define FALSE 0 130 #define TRUE 1 131 132 /* 133 The following #defines are hard-coded for a maximum text 134 resolution corresponding to a maximum framebuffer 135 resolution of 1920x1200 with an 8x8 font... 136 */ 137 #define COL 240 138 #define ROW 150 139 140 #define PCBURST 128 141 142 #ifndef BELL_DURATION 143 #define BELL_DURATION ((5 * hz + 99) / 100) 144 #define BELL_PITCH 800 145 #endif 146 147 /* virtual terminal buffer */ 148 typedef struct sc_vtb { 149 int vtb_flags; 150 #define VTB_VALID (1 << 0) 151 #define VTB_ALLOCED (1 << 1) 152 int vtb_type; 153 #define VTB_INVALID 0 154 #define VTB_MEMORY 1 155 #define VTB_FRAMEBUFFER 2 156 #define VTB_RINGBUFFER 3 157 int vtb_cols; 158 int vtb_rows; 159 int vtb_size; 160 vm_offset_t vtb_buffer; 161 int vtb_tail; /* valid for VTB_RINGBUFFER only */ 162 } sc_vtb_t; 163 164 /* text and some mouse cursor attributes */ 165 struct cursor_attr { 166 u_char flags; 167 u_char base; 168 u_char height; 169 u_char bg[3]; 170 u_char mouse_ba; 171 u_char mouse_ia; 172 }; 173 174 /* softc */ 175 176 struct keyboard; 177 struct video_adapter; 178 struct scr_stat; 179 struct tty; 180 181 struct sc_cnstate { 182 u_char kbd_locked; 183 u_char kdb_locked; 184 u_char mtx_locked; 185 u_char kbd_opened; 186 u_char scr_opened; 187 }; 188 189 typedef struct sc_softc { 190 int unit; /* unit # */ 191 int config; /* configuration flags */ 192 #define SC_VESAMODE (1 << 7) 193 #define SC_AUTODETECT_KBD (1 << 8) 194 #define SC_KERNEL_CONSOLE (1 << 9) 195 196 int flags; /* status flags */ 197 #define SC_VISUAL_BELL (1 << 0) 198 #define SC_QUIET_BELL (1 << 1) 199 #if 0 /* not used anymore */ 200 #define SC_BLINK_CURSOR (1 << 2) 201 #define SC_CHAR_CURSOR (1 << 3) 202 #endif 203 #define SC_MOUSE_ENABLED (1 << 4) 204 #define SC_SCRN_IDLE (1 << 5) 205 #define SC_SCRN_BLANKED (1 << 6) 206 #define SC_SAVER_FAILED (1 << 7) 207 #define SC_SCRN_VTYLOCK (1 << 8) 208 209 #define SC_INIT_DONE (1 << 16) 210 #define SC_SPLASH_SCRN (1 << 17) 211 212 struct keyboard *kbd; /* NULL if unavailable. */ 213 214 int adapter; 215 struct video_adapter *adp; 216 int initial_mode; /* initial video mode */ 217 218 int first_vty; 219 int vtys; 220 struct tty **dev; 221 struct scr_stat *cur_scp; 222 struct scr_stat *new_scp; 223 struct scr_stat *old_scp; 224 int delayed_next_scr; 225 226 char font_loading_in_progress; 227 char switch_in_progress; 228 char write_in_progress; 229 char blink_in_progress; 230 int grab_level; 231 /* 2 is just enough for kdb to grab for stepping normal grabbing: */ 232 struct sc_cnstate grab_state[2]; 233 int kbd_open_level; 234 struct mtx video_mtx; 235 236 long scrn_time_stamp; 237 238 struct cursor_attr dflt_curs_attr; 239 struct cursor_attr curs_attr; 240 241 u_char scr_map[256]; 242 u_char scr_rmap[256]; 243 244 #ifdef _SC_MD_SOFTC_DECLARED_ 245 sc_md_softc_t md; /* machine dependent vars */ 246 #endif 247 248 #ifndef SC_NO_PALETTE_LOADING 249 u_char palette[256 * 3]; 250 #ifdef SC_PIXEL_MODE 251 u_char palette2[256 * 3]; 252 #endif 253 #endif 254 255 #ifndef SC_NO_FONT_LOADING 256 int fonts_loaded; 257 #define FONT_8 2 258 #define FONT_14 4 259 #define FONT_16 8 260 #define FONT_22 8 261 u_char *font_8; 262 u_char *font_14; 263 u_char *font_16; 264 u_char *font_22; 265 #endif 266 267 u_char cursor_char; 268 u_char mouse_char; 269 270 #ifdef KDB 271 int sc_altbrk; 272 #endif 273 struct callout ctimeout; 274 struct callout cblink; 275 } sc_softc_t; 276 277 /* virtual screen */ 278 typedef struct scr_stat { 279 int index; /* index of this vty */ 280 struct sc_softc *sc; /* pointer to softc */ 281 struct sc_rndr_sw *rndr; /* renderer */ 282 sc_vtb_t scr; 283 sc_vtb_t vtb; 284 285 int xpos; /* current X position */ 286 int ypos; /* current Y position */ 287 int xsize; /* X text size */ 288 int ysize; /* Y text size */ 289 int xpixel; /* X graphics size */ 290 int ypixel; /* Y graphics size */ 291 int xoff; /* X offset in pixel mode */ 292 int yoff; /* Y offset in pixel mode */ 293 294 u_char *font; /* current font */ 295 int font_size; /* fontsize in Y direction */ 296 int font_width; /* fontsize in X direction */ 297 298 int start; /* modified area start */ 299 int end; /* modified area end */ 300 301 struct sc_term_sw *tsw; 302 void *ts; 303 304 int status; /* status (bitfield) */ 305 int kbd_mode; /* keyboard I/O mode */ 306 307 int cursor_pos; /* cursor buffer position */ 308 int cursor_oldpos; /* cursor old buffer position */ 309 struct cursor_attr dflt_curs_attr; 310 struct cursor_attr base_curs_attr; 311 struct cursor_attr curs_attr; 312 313 int mouse_pos; /* mouse buffer position */ 314 int mouse_oldpos; /* mouse old buffer position */ 315 short mouse_xpos; /* mouse x coordinate */ 316 short mouse_ypos; /* mouse y coordinate */ 317 short mouse_oldxpos; /* mouse previous x coordinate */ 318 short mouse_oldypos; /* mouse previous y coordinate */ 319 short mouse_buttons; /* mouse buttons */ 320 int mouse_cut_start; /* mouse cut start pos */ 321 int mouse_cut_end; /* mouse cut end pos */ 322 int mouse_level; /* xterm mouse protocol */ 323 struct proc *mouse_proc; /* proc* of controlling proc */ 324 pid_t mouse_pid; /* pid of controlling proc */ 325 int mouse_signal; /* signal # to report with */ 326 const void *mouse_data; /* renderer (pixmap) data */ 327 328 u_short bell_duration; 329 u_short bell_pitch; 330 331 u_char border; /* border color */ 332 int mode; /* mode */ 333 pid_t pid; /* pid of controlling proc */ 334 struct proc *proc; /* proc* of controlling proc */ 335 struct vt_mode smode; /* switch mode */ 336 337 sc_vtb_t *history; /* circular history buffer */ 338 int history_pos; /* position shown on screen */ 339 int history_size; /* size of history buffer */ 340 341 int splash_save_mode; /* saved mode for splash screen */ 342 int splash_save_status; /* saved status for splash screen */ 343 #ifdef _SCR_MD_STAT_DECLARED_ 344 scr_md_stat_t md; /* machine dependent vars */ 345 #endif 346 } scr_stat; 347 348 /* TTY softc. */ 349 typedef struct sc_ttysoftc { 350 int st_index; 351 scr_stat *st_stat; 352 } sc_ttysoftc; 353 354 #ifndef SC_NORM_ATTR 355 #define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK) 356 #endif 357 #ifndef SC_NORM_REV_ATTR 358 #define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 359 #endif 360 #ifndef SC_KERNEL_CONS_ATTR 361 #define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK) 362 #endif 363 #ifndef SC_KERNEL_CONS_REV_ATTR 364 #define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 365 #endif 366 367 /* terminal emulator */ 368 369 #ifndef SC_DFLT_TERM 370 #define SC_DFLT_TERM "scteken" 371 #endif 372 373 typedef int sc_term_init_t(scr_stat *scp, void **tcp, int code); 374 #define SC_TE_COLD_INIT 0 375 #define SC_TE_WARM_INIT 1 376 typedef int sc_term_term_t(scr_stat *scp, void **tcp); 377 typedef void sc_term_puts_t(scr_stat *scp, u_char *buf, int len); 378 typedef int sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd, 379 caddr_t data, struct thread *td); 380 typedef int sc_term_reset_t(scr_stat *scp, int code); 381 #define SC_TE_HARD_RESET 0 382 #define SC_TE_SOFT_RESET 1 383 typedef void sc_term_default_attr_t(scr_stat *scp, int norm, int rev); 384 typedef void sc_term_clear_t(scr_stat *scp); 385 typedef void sc_term_notify_t(scr_stat *scp, int event); 386 #define SC_TE_NOTIFY_VTSWITCH_IN 0 387 #define SC_TE_NOTIFY_VTSWITCH_OUT 1 388 typedef int sc_term_input_t(scr_stat *scp, int c, struct tty *tp); 389 typedef const char *sc_term_fkeystr_t(scr_stat *scp, int c); 390 typedef void sc_term_sync_t(scr_stat *scp); 391 392 typedef struct sc_term_sw { 393 LIST_ENTRY(sc_term_sw) link; 394 char *te_name; /* name of the emulator */ 395 char *te_desc; /* description */ 396 char *te_renderer; /* matching renderer */ 397 size_t te_size; /* size of internal buffer */ 398 int te_refcount; /* reference counter */ 399 sc_term_init_t *te_init; 400 sc_term_term_t *te_term; 401 sc_term_puts_t *te_puts; 402 sc_term_ioctl_t *te_ioctl; 403 sc_term_reset_t *te_reset; 404 sc_term_default_attr_t *te_default_attr; 405 sc_term_clear_t *te_clear; 406 sc_term_notify_t *te_notify; 407 sc_term_input_t *te_input; 408 sc_term_fkeystr_t *te_fkeystr; 409 sc_term_sync_t *te_sync; 410 } sc_term_sw_t; 411 412 #define SCTERM_MODULE(name, sw) \ 413 DATA_SET(scterm_set, sw); \ 414 static int \ 415 scterm_##name##_event(module_t mod, int type, void *data) \ 416 { \ 417 switch (type) { \ 418 case MOD_LOAD: \ 419 return sc_term_add(&sw); \ 420 case MOD_UNLOAD: \ 421 if (sw.te_refcount > 0) \ 422 return EBUSY; \ 423 return sc_term_remove(&sw); \ 424 default: \ 425 return EOPNOTSUPP; \ 426 break; \ 427 } \ 428 return 0; \ 429 } \ 430 static moduledata_t scterm_##name##_mod = { \ 431 "scterm-" #name, \ 432 scterm_##name##_event, \ 433 NULL, \ 434 }; \ 435 DECLARE_MODULE(scterm_##name, scterm_##name##_mod, \ 436 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 437 438 /* renderer function table */ 439 typedef void vr_init_t(scr_stat *scp); 440 typedef void vr_clear_t(scr_stat *scp, int c, int attr); 441 typedef void vr_draw_border_t(scr_stat *scp, int color); 442 typedef void vr_draw_t(scr_stat *scp, int from, int count, int flip); 443 typedef void vr_set_cursor_t(scr_stat *scp, int base, int height, int blink); 444 typedef void vr_draw_cursor_t(scr_stat *scp, int at, int blink, 445 int on, int flip); 446 typedef void vr_blink_cursor_t(scr_stat *scp, int at, int flip); 447 typedef void vr_set_mouse_t(scr_stat *scp); 448 typedef void vr_draw_mouse_t(scr_stat *scp, int x, int y, int on); 449 450 typedef struct sc_rndr_sw { 451 vr_init_t *init; 452 vr_clear_t *clear; 453 vr_draw_border_t *draw_border; 454 vr_draw_t *draw; 455 vr_set_cursor_t *set_cursor; 456 vr_draw_cursor_t *draw_cursor; 457 vr_blink_cursor_t *blink_cursor; 458 vr_set_mouse_t *set_mouse; 459 vr_draw_mouse_t *draw_mouse; 460 } sc_rndr_sw_t; 461 462 typedef struct sc_renderer { 463 char *name; 464 int mode; 465 sc_rndr_sw_t *rndrsw; 466 LIST_ENTRY(sc_renderer) link; 467 } sc_renderer_t; 468 469 #define RENDERER(name, mode, sw, set) \ 470 static struct sc_renderer scrndr_##name##_##mode = { \ 471 #name, mode, &sw \ 472 }; \ 473 DATA_SET(scrndr_set, scrndr_##name##_##mode); \ 474 DATA_SET(set, scrndr_##name##_##mode) 475 476 #define RENDERER_MODULE(name, set) \ 477 SET_DECLARE(set, sc_renderer_t); \ 478 static int \ 479 scrndr_##name##_event(module_t mod, int type, void *data) \ 480 { \ 481 sc_renderer_t **list; \ 482 int error = 0; \ 483 switch (type) { \ 484 case MOD_LOAD: \ 485 SET_FOREACH(list, set) { \ 486 error = sc_render_add(*list); \ 487 if (error) \ 488 break; \ 489 } \ 490 break; \ 491 case MOD_UNLOAD: \ 492 SET_FOREACH(list, set) { \ 493 error = sc_render_remove(*list);\ 494 if (error) \ 495 break; \ 496 } \ 497 break; \ 498 default: \ 499 return EOPNOTSUPP; \ 500 break; \ 501 } \ 502 return error; \ 503 } \ 504 static moduledata_t scrndr_##name##_mod = { \ 505 "scrndr-" #name, \ 506 scrndr_##name##_event, \ 507 NULL, \ 508 }; \ 509 DECLARE_MODULE(scrndr_##name, scrndr_##name##_mod, \ 510 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 511 512 typedef struct { 513 int shift_state; 514 int bell_pitch; 515 } bios_values_t; 516 517 /* other macros */ 518 #define ISTEXTSC(scp) (!((scp)->status \ 519 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))) 520 #define ISGRAPHSC(scp) (((scp)->status \ 521 & (UNKNOWN_MODE | GRAPHICS_MODE))) 522 #define ISPIXELSC(scp) (((scp)->status \ 523 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\ 524 == PIXEL_MODE) 525 #define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE) 526 527 #define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT) 528 #define ISFONTAVAIL(af) ((af) & V_ADP_FONT) 529 #define ISPALAVAIL(af) ((af) & V_ADP_PALETTE) 530 531 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 532 533 #define SC_VIDEO_LOCKINIT(sc) \ 534 mtx_init(&(sc)->video_mtx, "syscons video lock", NULL, \ 535 MTX_SPIN | MTX_RECURSE); 536 #define SC_VIDEO_LOCK(sc) \ 537 do { \ 538 if (!kdb_active) \ 539 mtx_lock_spin(&(sc)->video_mtx); \ 540 } while(0) 541 #define SC_VIDEO_UNLOCK(sc) \ 542 do { \ 543 if (!kdb_active) \ 544 mtx_unlock_spin(&(sc)->video_mtx); \ 545 } while(0) 546 547 /* syscons.c */ 548 extern int (*sc_user_ioctl)(struct tty *tp, u_long cmd, caddr_t data, 549 struct thread *td); 550 551 int sc_probe_unit(int unit, int flags); 552 int sc_attach_unit(int unit, int flags); 553 554 int set_mode(scr_stat *scp); 555 556 void sc_set_border(scr_stat *scp, int color); 557 void sc_load_font(scr_stat *scp, int page, int size, int width, 558 u_char *font, int base, int count); 559 void sc_save_font(scr_stat *scp, int page, int size, int width, 560 u_char *font, int base, int count); 561 void sc_show_font(scr_stat *scp, int page); 562 563 void sc_touch_scrn_saver(void); 564 void sc_draw_cursor_image(scr_stat *scp); 565 void sc_remove_cursor_image(scr_stat *scp); 566 void sc_set_cursor_image(scr_stat *scp); 567 void sc_change_cursor_shape(scr_stat *scp, int flags, 568 int base, int height); 569 int sc_clean_up(scr_stat *scp); 570 int sc_switch_scr(sc_softc_t *sc, u_int next_scr); 571 void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard); 572 int sc_init_emulator(scr_stat *scp, char *name); 573 void sc_paste(scr_stat *scp, const u_char *p, int count); 574 void sc_respond(scr_stat *scp, const u_char *p, 575 int count, int wakeup); 576 void sc_bell(scr_stat *scp, int pitch, int duration); 577 578 /* schistory.c */ 579 #ifndef SC_NO_HISTORY 580 int sc_alloc_history_buffer(scr_stat *scp, int lines, 581 int prev_ysize, int wait); 582 void sc_free_history_buffer(scr_stat *scp, int prev_ysize); 583 void sc_hist_save(scr_stat *scp); 584 #define sc_hist_save_one_line(scp, from) \ 585 sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize) 586 int sc_hist_restore(scr_stat *scp); 587 void sc_hist_home(scr_stat *scp); 588 void sc_hist_end(scr_stat *scp); 589 int sc_hist_up_line(scr_stat *scp); 590 int sc_hist_down_line(scr_stat *scp); 591 int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data, 592 struct thread *td); 593 #endif /* SC_NO_HISTORY */ 594 595 /* scmouse.c */ 596 #ifndef SC_NO_CUTPASTE 597 void sc_alloc_cut_buffer(scr_stat *scp, int wait); 598 void sc_draw_mouse_image(scr_stat *scp); 599 void sc_remove_mouse_image(scr_stat *scp); 600 int sc_inside_cutmark(scr_stat *scp, int pos); 601 void sc_remove_cutmarking(scr_stat *scp); 602 void sc_remove_all_cutmarkings(sc_softc_t *scp); 603 void sc_remove_all_mouse(sc_softc_t *scp); 604 void sc_mouse_paste(scr_stat *scp); 605 #else 606 #define sc_draw_mouse_image(scp) 607 #define sc_remove_mouse_image(scp) 608 #define sc_inside_cutmark(scp, pos) FALSE 609 #define sc_remove_cutmarking(scp) 610 #define sc_remove_all_cutmarkings(scp) 611 #define sc_remove_all_mouse(scp) 612 #define sc_mouse_paste(scp) 613 #endif /* SC_NO_CUTPASTE */ 614 #ifndef SC_NO_SYSMOUSE 615 void sc_mouse_move(scr_stat *scp, int x, int y); 616 int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, 617 struct thread *td); 618 #endif /* SC_NO_SYSMOUSE */ 619 620 /* scvidctl.c */ 621 int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, 622 int xsize, int ysize, int fontsize, 623 int font_width); 624 int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode); 625 int sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, 626 int ysize, int fontsize, int font_width); 627 int sc_support_pixel_mode(void *arg); 628 int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, 629 struct thread *td); 630 631 int sc_render_add(sc_renderer_t *rndr); 632 int sc_render_remove(sc_renderer_t *rndr); 633 sc_rndr_sw_t *sc_render_match(scr_stat *scp, char *name, int mode); 634 635 /* scvtb.c */ 636 void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, 637 void *buffer, int wait); 638 void sc_vtb_destroy(sc_vtb_t *vtb); 639 size_t sc_vtb_size(int cols, int rows); 640 void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr); 641 642 int sc_vtb_getc(sc_vtb_t *vtb, int at); 643 int sc_vtb_geta(sc_vtb_t *vtb, int at); 644 void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a); 645 vm_offset_t sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a); 646 vm_offset_t sc_vtb_pointer(sc_vtb_t *vtb, int at); 647 int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset); 648 649 #define sc_vtb_tail(vtb) ((vtb)->vtb_tail) 650 #define sc_vtb_rows(vtb) ((vtb)->vtb_rows) 651 #define sc_vtb_cols(vtb) ((vtb)->vtb_cols) 652 653 void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to, 654 int count); 655 void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, 656 int count); 657 void sc_vtb_seek(sc_vtb_t *vtb, int pos); 658 void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr); 659 void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count); 660 void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr); 661 void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr); 662 663 /* sysmouse.c */ 664 int sysmouse_event(mouse_info_t *info); 665 666 /* scterm.c */ 667 void sc_move_cursor(scr_stat *scp, int x, int y); 668 void sc_clear_screen(scr_stat *scp); 669 int sc_term_add(sc_term_sw_t *sw); 670 int sc_term_remove(sc_term_sw_t *sw); 671 sc_term_sw_t *sc_term_match(char *name); 672 sc_term_sw_t *sc_term_match_by_number(int index); 673 674 /* machine dependent functions */ 675 int sc_max_unit(void); 676 sc_softc_t *sc_get_softc(int unit, int flags); 677 sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd); 678 int sc_get_cons_priority(int *unit, int *flags); 679 void sc_get_bios_values(bios_values_t *values); 680 int sc_tone(int herz); 681 682 #endif /* !_DEV_SYSCONS_SYSCONS_H_ */
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