1 /*- 2 * Copyright (c) 1995-1998 S�ren 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 * $FreeBSD$ 32 */ 33 34 #ifndef _DEV_SYSCONS_SYSCONS_H_ 35 #define _DEV_SYSCONS_SYSCONS_H_ 36 37 #include <sys/lock.h> 38 #include <sys/mutex.h> 39 40 /* machine-dependent part of the header */ 41 42 #ifdef PC98 43 #include <pc98/cbus/sc_machdep.h> 44 #elif defined(__i386__) 45 /* nothing for the moment */ 46 #endif 47 48 /* default values for configuration options */ 49 50 #ifndef MAXCONS 51 #define MAXCONS 16 52 #endif 53 54 #ifdef SC_NO_SYSMOUSE 55 #undef SC_NO_CUTPASTE 56 #define SC_NO_CUTPASTE 1 57 #endif 58 59 #ifdef SC_NO_MODE_CHANGE 60 #undef SC_PIXEL_MODE 61 #endif 62 63 /* Always load font data if the pixel (raster text) mode is to be used. */ 64 #ifdef SC_PIXEL_MODE 65 #undef SC_NO_FONT_LOADING 66 #endif 67 68 /* 69 * If font data is not available, the `arrow'-shaped mouse cursor cannot 70 * be drawn. Use the alternative drawing method. 71 */ 72 #ifdef SC_NO_FONT_LOADING 73 #undef SC_ALT_MOUSE_IMAGE 74 #define SC_ALT_MOUSE_IMAGE 1 75 #endif 76 77 #ifndef SC_CURSOR_CHAR 78 #define SC_CURSOR_CHAR (0x07) 79 #endif 80 81 #ifndef SC_MOUSE_CHAR 82 #define SC_MOUSE_CHAR (0xd0) 83 #endif 84 85 #if SC_MOUSE_CHAR <= SC_CURSOR_CHAR && SC_CURSOR_CHAR < (SC_MOUSE_CHAR + 4) 86 #undef SC_CURSOR_CHAR 87 #define SC_CURSOR_CHAR (SC_MOUSE_CHAR + 4) 88 #endif 89 90 #ifndef SC_DEBUG_LEVEL 91 #define SC_DEBUG_LEVEL 0 92 #endif 93 94 #define DPRINTF(l, p) if (SC_DEBUG_LEVEL >= (l)) printf p 95 96 #ifndef __sparc64__ 97 #define SC_DRIVER_NAME "sc" 98 #else 99 /* 100 * Use a different driver name on sparc64 so it does not get confused 101 * with the system controller devices which are also termed 'sc' in OFW. 102 */ 103 #define SC_DRIVER_NAME "syscons" 104 #endif 105 #define SC_VTY(dev) minor(dev) 106 #define SC_DEV(sc, vty) ((sc)->dev[(vty) - (sc)->first_vty]) 107 #define SC_STAT(dev) (*((scr_stat **)&(dev)->si_drv1)) 108 109 /* printable chars */ 110 #ifndef PRINTABLE 111 #define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \ 112 || (ch) < 0x07) 113 #endif 114 115 /* macros for "intelligent" screen update */ 116 #define mark_for_update(scp, x) {\ 117 if ((x) < scp->start) scp->start = (x);\ 118 else if ((x) > scp->end) scp->end = (x);\ 119 } 120 #define mark_all(scp) {\ 121 scp->start = 0;\ 122 scp->end = scp->xsize * scp->ysize - 1;\ 123 } 124 125 /* vty status flags (scp->status) */ 126 #define UNKNOWN_MODE 0x00010 /* unknown video mode */ 127 #define SWITCH_WAIT_REL 0x00080 /* waiting for vty release */ 128 #define SWITCH_WAIT_ACQ 0x00100 /* waiting for vty ack */ 129 #define BUFFER_SAVED 0x00200 /* vty buffer is saved */ 130 #define CURSOR_ENABLED 0x00400 /* text cursor is enabled */ 131 #define MOUSE_MOVED 0x01000 /* mouse cursor has moved */ 132 #define MOUSE_CUTTING 0x02000 /* mouse cursor is cutting text */ 133 #define MOUSE_VISIBLE 0x04000 /* mouse cursor is showing */ 134 #define GRAPHICS_MODE 0x08000 /* vty is in a graphics mode */ 135 #define PIXEL_MODE 0x10000 /* vty is in a raster text mode */ 136 #define SAVER_RUNNING 0x20000 /* screen saver is running */ 137 #define VR_CURSOR_BLINK 0x40000 /* blinking text cursor */ 138 #define VR_CURSOR_ON 0x80000 /* text cursor is on */ 139 #define MOUSE_HIDDEN 0x100000 /* mouse cursor is temporarily hidden */ 140 141 /* misc defines */ 142 #define FALSE 0 143 #define TRUE 1 144 145 /* 146 The following #defines are hard-coded for a maximum text 147 resolution corresponding to a maximum framebuffer 148 resolution of 1600x1200 with an 8x8 font... 149 */ 150 #define COL 200 151 #define ROW 150 152 153 #define PCBURST 128 154 155 #ifndef BELL_DURATION 156 #define BELL_DURATION ((5 * hz + 99) / 100) 157 #define BELL_PITCH 800 158 #endif 159 160 /* virtual terminal buffer */ 161 typedef struct sc_vtb { 162 int vtb_flags; 163 #define VTB_VALID (1 << 0) 164 #define VTB_ALLOCED (1 << 1) 165 int vtb_type; 166 #define VTB_INVALID 0 167 #define VTB_MEMORY 1 168 #define VTB_FRAMEBUFFER 2 169 #define VTB_RINGBUFFER 3 170 int vtb_cols; 171 int vtb_rows; 172 int vtb_size; 173 vm_offset_t vtb_buffer; 174 int vtb_tail; /* valid for VTB_RINGBUFFER only */ 175 } sc_vtb_t; 176 177 /* text cursor attributes */ 178 struct cursor_attr { 179 int flags; 180 int base; 181 int height; 182 }; 183 184 /* softc */ 185 186 struct keyboard; 187 struct video_adapter; 188 struct scr_stat; 189 struct tty; 190 191 typedef struct sc_softc { 192 int unit; /* unit # */ 193 int config; /* configuration flags */ 194 #define SC_VESA800X600 (1 << 7) 195 #define SC_AUTODETECT_KBD (1 << 8) 196 #define SC_KERNEL_CONSOLE (1 << 9) 197 198 int flags; /* status flags */ 199 #define SC_VISUAL_BELL (1 << 0) 200 #define SC_QUIET_BELL (1 << 1) 201 #if 0 /* not used anymore */ 202 #define SC_BLINK_CURSOR (1 << 2) 203 #define SC_CHAR_CURSOR (1 << 3) 204 #endif 205 #define SC_MOUSE_ENABLED (1 << 4) 206 #define SC_SCRN_IDLE (1 << 5) 207 #define SC_SCRN_BLANKED (1 << 6) 208 #define SC_SAVER_FAILED (1 << 7) 209 #define SC_SCRN_VTYLOCK (1 << 8) 210 211 #define SC_INIT_DONE (1 << 16) 212 #define SC_SPLASH_SCRN (1 << 17) 213 214 int keyboard; /* -1 if unavailable */ 215 struct keyboard *kbd; 216 217 int adapter; 218 struct video_adapter *adp; 219 int initial_mode; /* initial video mode */ 220 221 int first_vty; 222 int vtys; 223 struct cdev **dev; 224 struct scr_stat *cur_scp; 225 struct scr_stat *new_scp; 226 struct scr_stat *old_scp; 227 int delayed_next_scr; 228 229 char font_loading_in_progress; 230 char switch_in_progress; 231 char write_in_progress; 232 char blink_in_progress; 233 struct mtx video_mtx; 234 235 long scrn_time_stamp; 236 237 struct cursor_attr dflt_curs_attr; 238 struct cursor_attr curs_attr; 239 240 u_char scr_map[256]; 241 u_char scr_rmap[256]; 242 243 #ifdef _SC_MD_SOFTC_DECLARED_ 244 sc_md_softc_t md; /* machine dependent vars */ 245 #endif 246 247 #ifndef SC_NO_PALETTE_LOADING 248 u_char palette[256*3]; 249 #endif 250 251 #ifndef SC_NO_FONT_LOADING 252 int fonts_loaded; 253 #define FONT_8 2 254 #define FONT_14 4 255 #define FONT_16 8 256 #define FONT_22 8 257 u_char *font_8; 258 u_char *font_14; 259 u_char *font_16; 260 u_char *font_22; 261 #endif 262 263 u_char cursor_char; 264 u_char mouse_char; 265 266 } sc_softc_t; 267 268 /* virtual screen */ 269 typedef struct scr_stat { 270 int index; /* index of this vty */ 271 struct sc_softc *sc; /* pointer to softc */ 272 struct sc_rndr_sw *rndr; /* renderer */ 273 #ifndef __sparc64__ 274 sc_vtb_t scr; 275 #endif 276 sc_vtb_t vtb; 277 278 int xpos; /* current X position */ 279 int ypos; /* current Y position */ 280 int xsize; /* X text size */ 281 int ysize; /* Y text size */ 282 int xpixel; /* X graphics size */ 283 int ypixel; /* Y graphics size */ 284 int xoff; /* X offset in pixel mode */ 285 int yoff; /* Y offset in pixel mode */ 286 287 u_char *font; /* current font */ 288 int font_size; /* fontsize in Y direction */ 289 int font_width; /* fontsize in X direction */ 290 291 int start; /* modified area start */ 292 int end; /* modified area end */ 293 294 struct sc_term_sw *tsw; 295 void *ts; 296 297 int status; /* status (bitfield) */ 298 int kbd_mode; /* keyboard I/O mode */ 299 300 int cursor_pos; /* cursor buffer position */ 301 int cursor_oldpos; /* cursor old buffer position */ 302 u_short cursor_saveunder_char; /* saved char under cursor */ 303 u_short cursor_saveunder_attr; /* saved attr under cursor */ 304 struct cursor_attr dflt_curs_attr; 305 struct cursor_attr curr_curs_attr; 306 struct cursor_attr curs_attr; 307 308 int mouse_pos; /* mouse buffer position */ 309 int mouse_oldpos; /* mouse old buffer position */ 310 short mouse_xpos; /* mouse x coordinate */ 311 short mouse_ypos; /* mouse y coordinate */ 312 short mouse_oldxpos; /* mouse previous x coordinate */ 313 short mouse_oldypos; /* mouse previous y coordinate */ 314 short mouse_buttons; /* mouse buttons */ 315 int mouse_cut_start; /* mouse cut start pos */ 316 int mouse_cut_end; /* mouse cut end pos */ 317 struct proc *mouse_proc; /* proc* of controlling proc */ 318 pid_t mouse_pid; /* pid of controlling proc */ 319 int mouse_signal; /* signal # to report with */ 320 321 u_short bell_duration; 322 u_short bell_pitch; 323 324 u_char border; /* border color */ 325 int mode; /* mode */ 326 pid_t pid; /* pid of controlling proc */ 327 struct proc *proc; /* proc* of controlling proc */ 328 struct vt_mode smode; /* switch mode */ 329 330 sc_vtb_t *history; /* circular history buffer */ 331 int history_pos; /* position shown on screen */ 332 int history_size; /* size of history buffer */ 333 334 int splash_save_mode; /* saved mode for splash screen */ 335 int splash_save_status; /* saved status for splash screen */ 336 #ifdef _SCR_MD_STAT_DECLARED_ 337 scr_md_stat_t md; /* machine dependent vars */ 338 #endif 339 } scr_stat; 340 341 #ifndef SC_NORM_ATTR 342 #define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK) 343 #endif 344 #ifndef SC_NORM_REV_ATTR 345 #define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 346 #endif 347 #ifndef SC_KERNEL_CONS_ATTR 348 #define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK) 349 #endif 350 #ifndef SC_KERNEL_CONS_REV_ATTR 351 #define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 352 #endif 353 354 /* terminal emulator */ 355 356 #ifndef SC_DFLT_TERM 357 #define SC_DFLT_TERM "*" /* any */ 358 #endif 359 360 typedef int sc_term_init_t(scr_stat *scp, void **tcp, int code); 361 #define SC_TE_COLD_INIT 0 362 #define SC_TE_WARM_INIT 1 363 typedef int sc_term_term_t(scr_stat *scp, void **tcp); 364 typedef void sc_term_puts_t(scr_stat *scp, u_char *buf, int len); 365 typedef int sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd, 366 caddr_t data, int flag, struct thread *td); 367 typedef int sc_term_reset_t(scr_stat *scp, int code); 368 #define SC_TE_HARD_RESET 0 369 #define SC_TE_SOFT_RESET 1 370 typedef void sc_term_default_attr_t(scr_stat *scp, int norm, int rev); 371 typedef void sc_term_clear_t(scr_stat *scp); 372 typedef void sc_term_notify_t(scr_stat *scp, int event); 373 #define SC_TE_NOTIFY_VTSWITCH_IN 0 374 #define SC_TE_NOTIFY_VTSWITCH_OUT 1 375 typedef int sc_term_input_t(scr_stat *scp, int c, struct tty *tp); 376 377 typedef struct sc_term_sw { 378 LIST_ENTRY(sc_term_sw) link; 379 char *te_name; /* name of the emulator */ 380 char *te_desc; /* description */ 381 char *te_renderer; /* matching renderer */ 382 size_t te_size; /* size of internal buffer */ 383 int te_refcount; /* reference counter */ 384 sc_term_init_t *te_init; 385 sc_term_term_t *te_term; 386 sc_term_puts_t *te_puts; 387 sc_term_ioctl_t *te_ioctl; 388 sc_term_reset_t *te_reset; 389 sc_term_default_attr_t *te_default_attr; 390 sc_term_clear_t *te_clear; 391 sc_term_notify_t *te_notify; 392 sc_term_input_t *te_input; 393 } sc_term_sw_t; 394 395 #define SCTERM_MODULE(name, sw) \ 396 DATA_SET(scterm_set, sw); \ 397 static int \ 398 scterm_##name##_event(module_t mod, int type, void *data) \ 399 { \ 400 switch (type) { \ 401 case MOD_LOAD: \ 402 return sc_term_add(&sw); \ 403 case MOD_UNLOAD: \ 404 if (sw.te_refcount > 0) \ 405 return EBUSY; \ 406 return sc_term_remove(&sw); \ 407 default: \ 408 return EOPNOTSUPP; \ 409 break; \ 410 } \ 411 return 0; \ 412 } \ 413 static moduledata_t scterm_##name##_mod = { \ 414 "scterm-" #name, \ 415 scterm_##name##_event, \ 416 NULL, \ 417 }; \ 418 DECLARE_MODULE(scterm_##name, scterm_##name##_mod, \ 419 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 420 421 /* renderer function table */ 422 typedef void vr_init_t(scr_stat *scp); 423 typedef void vr_clear_t(scr_stat *scp, int c, int attr); 424 typedef void vr_draw_border_t(scr_stat *scp, int color); 425 typedef void vr_draw_t(scr_stat *scp, int from, int count, int flip); 426 typedef void vr_set_cursor_t(scr_stat *scp, int base, int height, int blink); 427 typedef void vr_draw_cursor_t(scr_stat *scp, int at, int blink, 428 int on, int flip); 429 typedef void vr_blink_cursor_t(scr_stat *scp, int at, int flip); 430 typedef void vr_set_mouse_t(scr_stat *scp); 431 typedef void vr_draw_mouse_t(scr_stat *scp, int x, int y, int on); 432 433 typedef struct sc_rndr_sw { 434 vr_init_t *init; 435 vr_clear_t *clear; 436 vr_draw_border_t *draw_border; 437 vr_draw_t *draw; 438 vr_set_cursor_t *set_cursor; 439 vr_draw_cursor_t *draw_cursor; 440 vr_blink_cursor_t *blink_cursor; 441 vr_set_mouse_t *set_mouse; 442 vr_draw_mouse_t *draw_mouse; 443 } sc_rndr_sw_t; 444 445 typedef struct sc_renderer { 446 char *name; 447 int mode; 448 sc_rndr_sw_t *rndrsw; 449 LIST_ENTRY(sc_renderer) link; 450 } sc_renderer_t; 451 452 #define RENDERER(name, mode, sw, set) \ 453 static struct sc_renderer scrndr_##name##_##mode = { \ 454 #name, mode, &sw \ 455 }; \ 456 DATA_SET(scrndr_set, scrndr_##name##_##mode); \ 457 DATA_SET(set, scrndr_##name##_##mode) 458 459 #define RENDERER_MODULE(name, set) \ 460 SET_DECLARE(set, sc_renderer_t); \ 461 static int \ 462 scrndr_##name##_event(module_t mod, int type, void *data) \ 463 { \ 464 sc_renderer_t **list; \ 465 int error = 0; \ 466 switch (type) { \ 467 case MOD_LOAD: \ 468 SET_FOREACH(list, set) { \ 469 error = sc_render_add(*list); \ 470 if (error) \ 471 break; \ 472 } \ 473 break; \ 474 case MOD_UNLOAD: \ 475 SET_FOREACH(list, set) { \ 476 error = sc_render_remove(*list);\ 477 if (error) \ 478 break; \ 479 } \ 480 break; \ 481 default: \ 482 return EOPNOTSUPP; \ 483 break; \ 484 } \ 485 return error; \ 486 } \ 487 static moduledata_t scrndr_##name##_mod = { \ 488 "scrndr-" #name, \ 489 scrndr_##name##_event, \ 490 NULL, \ 491 }; \ 492 DECLARE_MODULE(scrndr_##name, scrndr_##name##_mod, \ 493 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 494 495 typedef struct { 496 int cursor_start; 497 int cursor_end; 498 int shift_state; 499 int bell_pitch; 500 } bios_values_t; 501 502 /* other macros */ 503 #define ISTEXTSC(scp) (!((scp)->status \ 504 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))) 505 #define ISGRAPHSC(scp) (((scp)->status \ 506 & (UNKNOWN_MODE | GRAPHICS_MODE))) 507 #define ISPIXELSC(scp) (((scp)->status \ 508 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\ 509 == PIXEL_MODE) 510 #define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE) 511 512 #define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT) 513 #define ISFONTAVAIL(af) ((af) & V_ADP_FONT) 514 #define ISPALAVAIL(af) ((af) & V_ADP_PALETTE) 515 516 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 517 518 #define kbd_read_char(kbd, wait) \ 519 (*kbdsw[(kbd)->kb_index]->read_char)((kbd), (wait)) 520 #define kbd_check_char(kbd) \ 521 (*kbdsw[(kbd)->kb_index]->check_char)((kbd)) 522 #define kbd_enable(kbd) \ 523 (*kbdsw[(kbd)->kb_index]->enable)((kbd)) 524 #define kbd_disable(kbd) \ 525 (*kbdsw[(kbd)->kb_index]->disable)((kbd)) 526 #define kbd_lock(kbd, lockf) \ 527 (*kbdsw[(kbd)->kb_index]->lock)((kbd), (lockf)) 528 #define kbd_ioctl(kbd, cmd, arg) \ 529 (((kbd) == NULL) ? \ 530 ENODEV : (*kbdsw[(kbd)->kb_index]->ioctl)((kbd), (cmd), (arg))) 531 #define kbd_clear_state(kbd) \ 532 (*kbdsw[(kbd)->kb_index]->clear_state)((kbd)) 533 #define kbd_get_fkeystr(kbd, fkey, len) \ 534 (*kbdsw[(kbd)->kb_index]->get_fkeystr)((kbd), (fkey), (len)) 535 #define kbd_poll(kbd, on) \ 536 (*kbdsw[(kbd)->kb_index]->poll)((kbd), (on)) 537 538 #define SC_VIDEO_LOCKINIT(sc) \ 539 mtx_init(&(sc)->video_mtx, "syscons video lock", NULL,MTX_SPIN); 540 #define SC_VIDEO_LOCK(sc) \ 541 do { \ 542 if (!cold) \ 543 mtx_lock_spin(&(sc)->video_mtx); \ 544 } while(0) 545 #define SC_VIDEO_UNLOCK(sc) \ 546 do { \ 547 if (!cold) \ 548 mtx_unlock_spin(&(sc)->video_mtx); \ 549 } while(0) 550 551 /* syscons.c */ 552 extern int (*sc_user_ioctl)(struct cdev *dev, u_long cmd, caddr_t data, 553 int flag, struct thread *td); 554 555 int sc_probe_unit(int unit, int flags); 556 int sc_attach_unit(int unit, int flags); 557 558 int set_mode(scr_stat *scp); 559 560 void sc_set_border(scr_stat *scp, int color); 561 void sc_load_font(scr_stat *scp, int page, int size, int width, 562 u_char *font, int base, int count); 563 void sc_save_font(scr_stat *scp, int page, int size, int width, 564 u_char *font, int base, int count); 565 void sc_show_font(scr_stat *scp, int page); 566 567 void sc_touch_scrn_saver(void); 568 void sc_puts(scr_stat *scp, u_char *buf, int len); 569 void sc_draw_cursor_image(scr_stat *scp); 570 void sc_remove_cursor_image(scr_stat *scp); 571 void sc_set_cursor_image(scr_stat *scp); 572 void sc_change_cursor_shape(scr_stat *scp, int flags, 573 int base, int height); 574 int sc_clean_up(scr_stat *scp); 575 int sc_switch_scr(sc_softc_t *sc, u_int next_scr); 576 void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard); 577 int sc_init_emulator(scr_stat *scp, char *name); 578 void sc_paste(scr_stat *scp, u_char *p, int count); 579 void sc_bell(scr_stat *scp, int pitch, int duration); 580 581 /* schistory.c */ 582 #ifndef SC_NO_HISTORY 583 int sc_alloc_history_buffer(scr_stat *scp, int lines, 584 int prev_ysize, int wait); 585 void sc_free_history_buffer(scr_stat *scp, int prev_ysize); 586 void sc_hist_save(scr_stat *scp); 587 #define sc_hist_save_one_line(scp, from) \ 588 sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize) 589 int sc_hist_restore(scr_stat *scp); 590 void sc_hist_home(scr_stat *scp); 591 void sc_hist_end(scr_stat *scp); 592 int sc_hist_up_line(scr_stat *scp); 593 int sc_hist_down_line(scr_stat *scp); 594 int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data, 595 int flag, struct thread *td); 596 #endif /* SC_NO_HISTORY */ 597 598 /* scmouse.c */ 599 #ifndef SC_NO_CUTPASTE 600 void sc_alloc_cut_buffer(scr_stat *scp, int wait); 601 void sc_draw_mouse_image(scr_stat *scp); 602 void sc_remove_mouse_image(scr_stat *scp); 603 int sc_inside_cutmark(scr_stat *scp, int pos); 604 void sc_remove_cutmarking(scr_stat *scp); 605 void sc_remove_all_cutmarkings(sc_softc_t *scp); 606 void sc_remove_all_mouse(sc_softc_t *scp); 607 void sc_mouse_paste(scr_stat *scp); 608 #else 609 #define sc_draw_mouse_image(scp) 610 #define sc_remove_mouse_image(scp) 611 #define sc_inside_cutmark(scp, pos) FALSE 612 #define sc_remove_cutmarking(scp) 613 #define sc_remove_all_cutmarkings(scp) 614 #define sc_remove_all_mouse(scp) 615 #define sc_mouse_paste(scp) 616 #endif /* SC_NO_CUTPASTE */ 617 #ifndef SC_NO_SYSMOUSE 618 void sc_mouse_move(scr_stat *scp, int x, int y); 619 int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, 620 int flag, struct thread *td); 621 #endif /* SC_NO_SYSMOUSE */ 622 623 /* scvidctl.c */ 624 int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, 625 int xsize, int ysize, int fontsize, 626 int font_width); 627 int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode); 628 int sc_set_pixel_mode(scr_stat *scp, struct tty *tp, int xsize, 629 int ysize, int fontsize, int font_width); 630 int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, 631 struct thread *td); 632 633 int sc_render_add(sc_renderer_t *rndr); 634 int sc_render_remove(sc_renderer_t *rndr); 635 sc_rndr_sw_t *sc_render_match(scr_stat *scp, char *name, int mode); 636 637 /* scvtb.c */ 638 void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, 639 void *buffer, int wait); 640 void sc_vtb_destroy(sc_vtb_t *vtb); 641 size_t sc_vtb_size(int cols, int rows); 642 void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr); 643 644 int sc_vtb_getc(sc_vtb_t *vtb, int at); 645 int sc_vtb_geta(sc_vtb_t *vtb, int at); 646 void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a); 647 vm_offset_t sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a); 648 vm_offset_t sc_vtb_pointer(sc_vtb_t *vtb, int at); 649 int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset); 650 651 #define sc_vtb_tail(vtb) ((vtb)->vtb_tail) 652 #define sc_vtb_rows(vtb) ((vtb)->vtb_rows) 653 #define sc_vtb_cols(vtb) ((vtb)->vtb_cols) 654 655 void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to, 656 int count); 657 void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, 658 int count); 659 void sc_vtb_seek(sc_vtb_t *vtb, int pos); 660 void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr); 661 void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count); 662 void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr); 663 void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr); 664 665 /* sysmouse.c */ 666 int sysmouse_event(mouse_info_t *info); 667 668 /* scterm.c */ 669 void sc_move_cursor(scr_stat *scp, int x, int y); 670 void sc_clear_screen(scr_stat *scp); 671 int sc_term_add(sc_term_sw_t *sw); 672 int sc_term_remove(sc_term_sw_t *sw); 673 sc_term_sw_t *sc_term_match(char *name); 674 sc_term_sw_t *sc_term_match_by_number(int index); 675 676 /* machine dependent functions */ 677 int sc_max_unit(void); 678 sc_softc_t *sc_get_softc(int unit, int flags); 679 sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd); 680 int sc_get_cons_priority(int *unit, int *flags); 681 void sc_get_bios_values(bios_values_t *values); 682 int sc_tone(int herz); 683 684 #endif /* !_DEV_SYSCONS_SYSCONS_H_ */ 685