Now available: The Design and Implementation of the FreeBSD Operating System (Second Edition)
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FreeBSD/Linux Kernel Cross Reference
sys/dev/misc/syscons/syscons.h
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1 /*- 2 * Copyright (c) 1995-1998 Søren 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: src/sys/dev/syscons/syscons.h,v 1.60.2.6 2002/09/15 22:30:45 dd Exp $ 32 * $DragonFly: src/sys/dev/misc/syscons/syscons.h,v 1.21 2008/08/03 03:00:21 dillon Exp $ 33 */ 34 35 #ifndef _DEV_SYSCONS_SYSCONS_H_ 36 #define _DEV_SYSCONS_SYSCONS_H_ 37 38 #include <sys/malloc.h> 39 40 MALLOC_DECLARE(M_SYSCONS); 41 42 /* default values for configuration options */ 43 44 #ifndef MAXCONS 45 #define MAXCONS 16 /* power of 2 */ 46 #endif 47 48 #ifdef SC_NO_SYSMOUSE 49 #undef SC_NO_CUTPASTE 50 #define SC_NO_CUTPASTE 1 51 #endif 52 53 #ifdef SC_NO_MODE_CHANGE 54 #undef SC_PIXEL_MODE 55 #endif 56 57 /* Always load font data if the pixel (raster text) mode is to be used. */ 58 #ifdef SC_PIXEL_MODE 59 #undef SC_NO_FONT_LOADING 60 #endif 61 62 /* 63 * If font data is not available, the `arrow'-shaped mouse cursor cannot 64 * be drawn. Use the alternative drawing method. 65 */ 66 #ifdef SC_NO_FONT_LOADING 67 #undef SC_ALT_MOUSE_IMAGE 68 #define SC_ALT_MOUSE_IMAGE 1 69 #endif 70 71 #ifndef SC_CURSOR_CHAR 72 #define SC_CURSOR_CHAR (0x07) 73 #endif 74 75 #ifndef SC_MOUSE_CHAR 76 #define SC_MOUSE_CHAR (0xd0) 77 #endif 78 79 #if SC_MOUSE_CHAR <= SC_CURSOR_CHAR && SC_CURSOR_CHAR < (SC_MOUSE_CHAR + 4) 80 #undef SC_CURSOR_CHAR 81 #define SC_CURSOR_CHAR (SC_MOUSE_CHAR + 4) 82 #endif 83 84 #ifndef SC_DEBUG_LEVEL 85 #define SC_DEBUG_LEVEL 0 86 #endif 87 88 #define DPRINTF(l, p) if (SC_DEBUG_LEVEL >= (l)) kprintf p 89 90 #define SC_DRIVER_NAME "sc" 91 #define SC_VTY(dev) minor(dev) 92 #define SC_DEV(sc, vty) ((sc)->dev ? (sc)->dev[(vty) - (sc)->first_vty] : NULL) 93 #define SC_STAT(dev) ((scr_stat *)(dev)->si_drv1) 94 95 /* printable chars */ 96 #ifndef PRINTABLE 97 #define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \ 98 || (ch) < 0x07) 99 #endif 100 101 /* macros for "intelligent" screen update */ 102 #define mark_for_update(scp, x) {\ 103 if ((x) < scp->start) scp->start = (x);\ 104 else if ((x) > scp->end) scp->end = (x);\ 105 } 106 #define mark_all(scp) {\ 107 scp->start = 0;\ 108 scp->end = scp->xsize * scp->ysize - 1;\ 109 } 110 111 /* macro for calculating the drawing position in video memory */ 112 #ifdef SC_PIXEL_MODE 113 #define VIDEO_MEMORY_POS(scp, pos, x) \ 114 ((scp)->sc->adp->va_window + \ 115 (x) * (scp)->xoff + \ 116 (scp)->yoff * (scp)->font_size * (scp)->sc->adp->va_line_width +\ 117 (x) * ((pos) % (scp)->xsize) + \ 118 (scp)->font_size * (scp)->sc->adp->va_line_width * (pos / (scp)->xsize)) 119 #endif 120 121 /* vty status flags (scp->status) */ 122 #define UNKNOWN_MODE 0x00010 /* unknown video mode */ 123 #define SWITCH_WAIT_REL 0x00080 /* waiting for vty release */ 124 #define SWITCH_WAIT_ACQ 0x00100 /* waiting for vty ack */ 125 #define BUFFER_SAVED 0x00200 /* vty buffer is saved */ 126 #define CURSOR_ENABLED 0x00400 /* text cursor is enabled */ 127 #define MOUSE_MOVED 0x01000 /* mouse cursor has moved */ 128 #define MOUSE_CUTTING 0x02000 /* mouse cursor is cutting text */ 129 #define MOUSE_VISIBLE 0x04000 /* mouse cursor is showing */ 130 #define GRAPHICS_MODE 0x08000 /* vty is in a graphics mode */ 131 #define PIXEL_MODE 0x10000 /* vty is in a raster text mode */ 132 #define SAVER_RUNNING 0x20000 /* screen saver is running */ 133 #define VR_CURSOR_BLINK 0x40000 /* blinking text cursor */ 134 #define VR_CURSOR_ON 0x80000 /* text cursor is on */ 135 #define MOUSE_HIDDEN 0x100000 /* mouse cursor is temporarily hidden */ 136 137 /* misc defines */ 138 #define FALSE 0 139 #define TRUE 1 140 #define COL 80 141 #define ROW 25 142 #define PCBURST 128 143 144 #ifndef BELL_DURATION 145 #define BELL_DURATION ((5 * hz + 99) / 100) 146 #define BELL_PITCH 800 147 #endif 148 149 /* virtual terminal buffer */ 150 typedef struct sc_vtb { 151 int vtb_flags; 152 #define VTB_VALID (1 << 0) 153 #define VTB_ALLOCED (1 << 1) 154 int vtb_type; 155 #define VTB_INVALID 0 156 #define VTB_MEMORY 1 157 #define VTB_FRAMEBUFFER 2 158 #define VTB_RINGBUFFER 3 159 int vtb_cols; 160 int vtb_rows; 161 int vtb_size; 162 uint16_t *vtb_buffer; 163 int vtb_tail; /* valid for VTB_RINGBUFFER only */ 164 } sc_vtb_t; 165 166 /* softc */ 167 168 struct keyboard; 169 struct video_adapter; 170 struct scr_stat; 171 struct tty; 172 struct dev_ioctl_args; 173 174 typedef struct sc_softc { 175 int unit; /* unit # */ 176 int config; /* configuration flags */ 177 #define SC_VESA800X600 (1 << 7) 178 #define SC_AUTODETECT_KBD (1 << 8) 179 #define SC_KERNEL_CONSOLE (1 << 9) 180 181 int flags; /* status flags */ 182 #define SC_VISUAL_BELL (1 << 0) 183 #define SC_QUIET_BELL (1 << 1) 184 #define SC_BLINK_CURSOR (1 << 2) 185 #define SC_CHAR_CURSOR (1 << 3) 186 #define SC_MOUSE_ENABLED (1 << 4) 187 #define SC_SCRN_IDLE (1 << 5) 188 #define SC_SCRN_BLANKED (1 << 6) 189 #define SC_SAVER_FAILED (1 << 7) 190 #define SC_SCRN_VTYLOCK (1 << 8) 191 192 #define SC_INIT_DONE (1 << 16) 193 #define SC_SPLASH_SCRN (1 << 17) 194 195 int keyboard; /* -1 if unavailable */ 196 struct keyboard *kbd; 197 198 int adapter; 199 struct video_adapter *adp; 200 int initial_mode; /* initial video mode */ 201 202 int first_vty; 203 int vtys; 204 cdev_t *dev; 205 struct scr_stat *console_scp; 206 struct scr_stat *cur_scp; 207 struct scr_stat *new_scp; 208 struct scr_stat *old_scp; 209 int delayed_next_scr; 210 211 char font_loading_in_progress; 212 char switch_in_progress; 213 char videoio_in_progress; 214 char write_in_progress; 215 char blink_in_progress; 216 217 long scrn_time_stamp; 218 struct callout scrn_timer_ch; 219 220 char cursor_base; 221 char cursor_height; 222 223 u_char scr_map[256]; 224 u_char scr_rmap[256]; 225 226 #ifdef _SC_MD_SOFTC_DECLARED_ 227 sc_md_softc_t md; /* machine dependent vars */ 228 #endif 229 230 #ifndef SC_NO_PALETTE_LOADING 231 u_char palette[256*3]; 232 #endif 233 234 #ifndef SC_NO_FONT_LOADING 235 int fonts_loaded; 236 #define FONT_8 2 237 #define FONT_14 4 238 #define FONT_16 8 239 u_char *font_8; 240 u_char *font_14; 241 u_char *font_16; 242 #endif 243 244 u_char cursor_char; 245 u_char mouse_char; 246 247 } sc_softc_t; 248 249 /* virtual screen */ 250 typedef struct scr_stat { 251 int index; /* index of this vty */ 252 struct sc_softc *sc; /* pointer to softc */ 253 struct sc_rndr_sw *rndr; /* renderer */ 254 sc_vtb_t scr; 255 sc_vtb_t vtb; 256 257 int xpos; /* current X position */ 258 int ypos; /* current Y position */ 259 int xsize; /* X text size */ 260 int ysize; /* Y text size */ 261 int xpixel; /* X graphics size */ 262 int ypixel; /* Y graphics size */ 263 int xoff; /* X offset in pixel mode */ 264 int yoff; /* Y offset in pixel mode */ 265 266 u_char *font; /* current font */ 267 int font_size; /* fontsize in Y direction */ 268 269 int start; /* modified area start */ 270 int end; /* modified area end */ 271 272 struct sc_term_sw *tsw; 273 void *ts; 274 275 int status; /* status (bitfield) */ 276 int kbd_mode; /* keyboard I/O mode */ 277 278 int cursor_pos; /* cursor buffer position */ 279 int cursor_oldpos; /* cursor old buffer position */ 280 u_short cursor_saveunder_char; /* saved char under cursor */ 281 u_short cursor_saveunder_attr; /* saved attr under cursor */ 282 char cursor_base; /* cursor base line # */ 283 char cursor_height; /* cursor height */ 284 285 int mouse_pos; /* mouse buffer position */ 286 int mouse_oldpos; /* mouse old buffer position */ 287 short mouse_xpos; /* mouse x coordinate */ 288 short mouse_ypos; /* mouse y coordinate */ 289 short mouse_oldxpos; /* mouse previous x coordinate */ 290 short mouse_oldypos; /* mouse previous y coordinate */ 291 short mouse_buttons; /* mouse buttons */ 292 int mouse_cut_start; /* mouse cut start pos */ 293 int mouse_cut_end; /* mouse cut end pos */ 294 struct proc *mouse_proc; /* proc* of controlling proc */ 295 pid_t mouse_pid; /* pid of controlling proc */ 296 int mouse_signal; /* signal # to report with */ 297 298 u_short bell_duration; 299 u_short bell_pitch; 300 301 struct callout blink_screen_ch; 302 303 uint32_t ega_palette[16]; /* ega palette */ 304 u_char border; /* border color */ 305 int mode; /* mode */ 306 int model; /* memory model */ 307 pid_t pid; /* pid of controlling proc */ 308 struct proc *proc; /* proc* of controlling proc */ 309 struct vt_mode smode; /* switch mode */ 310 311 sc_vtb_t *history; /* circular history buffer */ 312 int history_pos; /* position shown on screen */ 313 int history_size; /* size of history buffer */ 314 315 int splash_save_mode; /* saved mode for splash screen */ 316 int splash_save_status; /* saved status for splash screen */ 317 #ifdef _SCR_MD_STAT_DECLARED_ 318 scr_md_stat_t md; /* machine dependent vars */ 319 #endif 320 } scr_stat; 321 322 #ifndef SC_NORM_ATTR 323 #define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK) 324 #endif 325 #ifndef SC_NORM_REV_ATTR 326 #define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 327 #endif 328 #ifndef SC_KERNEL_CONS_ATTR 329 #define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK) 330 #endif 331 #ifndef SC_KERNEL_CONS_REV_ATTR 332 #define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 333 #endif 334 335 /* terminal emulator */ 336 337 #ifndef SC_DFLT_TERM 338 #define SC_DFLT_TERM "*" /* any */ 339 #endif 340 341 typedef int sc_term_init_t(scr_stat *scp, void **tcp, int code); 342 #define SC_TE_COLD_INIT 0 343 #define SC_TE_WARM_INIT 1 344 typedef int sc_term_term_t(scr_stat *scp, void **tcp); 345 typedef void sc_term_puts_t(scr_stat *scp, u_char *buf, int len); 346 typedef int sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd, 347 caddr_t data, int flag); 348 typedef int sc_term_reset_t(scr_stat *scp, int code); 349 #define SC_TE_HARD_RESET 0 350 #define SC_TE_SOFT_RESET 1 351 typedef void sc_term_default_attr_t(scr_stat *scp, int norm, int rev); 352 typedef void sc_term_clear_t(scr_stat *scp); 353 typedef void sc_term_notify_t(scr_stat *scp, int event); 354 #define SC_TE_NOTIFY_VTSWITCH_IN 0 355 #define SC_TE_NOTIFY_VTSWITCH_OUT 1 356 typedef int sc_term_input_t(scr_stat *scp, int c, struct tty *tp); 357 358 typedef struct sc_term_sw { 359 LIST_ENTRY(sc_term_sw) link; 360 char *te_name; /* name of the emulator */ 361 char *te_desc; /* description */ 362 char *te_renderer; /* matching renderer */ 363 size_t te_size; /* size of internal buffer */ 364 int te_refcount; /* reference counter */ 365 sc_term_init_t *te_init; 366 sc_term_term_t *te_term; 367 sc_term_puts_t *te_puts; 368 sc_term_ioctl_t *te_ioctl; 369 sc_term_reset_t *te_reset; 370 sc_term_default_attr_t *te_default_attr; 371 sc_term_clear_t *te_clear; 372 sc_term_notify_t *te_notify; 373 sc_term_input_t *te_input; 374 } sc_term_sw_t; 375 376 extern struct linker_set scterm_set; 377 378 #define SCTERM_MODULE(name, sw) \ 379 DATA_SET(scterm_set, sw); \ 380 static int \ 381 scterm_##name##_event(module_t mod, int type, void *data) \ 382 { \ 383 switch (type) { \ 384 case MOD_LOAD: \ 385 return sc_term_add(&sw); \ 386 case MOD_UNLOAD: \ 387 if (sw.te_refcount > 0) \ 388 return EBUSY; \ 389 return sc_term_remove(&sw); \ 390 default: \ 391 break; \ 392 } \ 393 return 0; \ 394 } \ 395 static moduledata_t scterm_##name##_mod = { \ 396 "scterm-" #name, \ 397 scterm_##name##_event, \ 398 NULL, \ 399 }; \ 400 DECLARE_MODULE(scterm_##name, scterm_##name##_mod, \ 401 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 402 403 /* renderer function table */ 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, 408 int on, int flip); 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); 412 413 typedef struct sc_rndr_sw { 414 vr_draw_border_t *draw_border; 415 vr_draw_t *draw; 416 vr_set_cursor_t *set_cursor; 417 vr_draw_cursor_t *draw_cursor; 418 vr_blink_cursor_t *blink_cursor; 419 vr_draw_mouse_t *draw_mouse; 420 } sc_rndr_sw_t; 421 422 typedef struct sc_renderer { 423 char *name; 424 int model; 425 sc_rndr_sw_t *rndrsw; 426 LIST_ENTRY(sc_renderer) link; 427 } sc_renderer_t; 428 429 extern struct linker_set scrndr_set; 430 431 #define RENDERER(name, model, sw, set) \ 432 static struct sc_renderer scrndr_##name##_##model = { \ 433 #name, model, &sw \ 434 }; \ 435 DATA_SET(scrndr_set, scrndr_##name##_##model); \ 436 DATA_SET(set, scrndr_##name##_##model) 437 438 #define RENDERER_MODULE(name, set) \ 439 SET_DECLARE(set, sc_renderer_t); \ 440 static int \ 441 scrndr_##name##_event(module_t mod, int type, void *data) \ 442 { \ 443 sc_renderer_t **list; \ 444 int error = 0; \ 445 switch (type) { \ 446 case MOD_LOAD: \ 447 SET_FOREACH(list, set) { \ 448 error = sc_render_add(*list); \ 449 if (error) \ 450 break; \ 451 } \ 452 break; \ 453 case MOD_UNLOAD: \ 454 SET_FOREACH(list, set) { \ 455 error = sc_render_remove(*list); \ 456 if (error) \ 457 break; \ 458 } \ 459 break; \ 460 default: \ 461 break; \ 462 } \ 463 return error; \ 464 } \ 465 static moduledata_t scrndr_##name##_mod = { \ 466 "scrndr-" #name, \ 467 scrndr_##name##_event, \ 468 NULL, \ 469 }; \ 470 DECLARE_MODULE(scrndr_##name, scrndr_##name##_mod, \ 471 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 472 473 typedef struct { 474 int cursor_start; 475 int cursor_end; 476 int shift_state; 477 int bell_pitch; 478 } bios_values_t; 479 480 /* other macros */ 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))\ 487 == PIXEL_MODE) 488 #define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE) 489 490 #define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT) 491 #define ISFONTAVAIL(af) ((af) & V_ADP_FONT) 492 #define ISPALAVAIL(af) ((af) & V_ADP_PALETTE) 493 494 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 495 496 /* syscons.c */ 497 int sc_probe_unit(int unit, int flags); 498 int sc_attach_unit(int unit, int flags); 499 500 int set_mode(scr_stat *scp); 501 void refresh_ega_palette(scr_stat *scp); 502 503 void sc_set_border(scr_stat *scp, int color); 504 void sc_load_font(scr_stat *scp, int page, int size, u_char *font, 505 int base, int count); 506 void sc_save_font(scr_stat *scp, int page, int size, u_char *font, 507 int base, int count); 508 void sc_show_font(scr_stat *scp, int page); 509 510 void sc_touch_scrn_saver(void); 511 void sc_draw_cursor_image(scr_stat *scp); 512 void sc_remove_cursor_image(scr_stat *scp); 513 void sc_set_cursor_image(scr_stat *scp); 514 int sc_clean_up(scr_stat *scp); 515 int sc_switch_scr(sc_softc_t *sc, u_int next_scr); 516 void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard); 517 int sc_init_emulator(scr_stat *scp, char *name); 518 void sc_paste(scr_stat *scp, u_char *p, int count); 519 void sc_bell(scr_stat *scp, int pitch, int duration); 520 521 /* schistory.c */ 522 #ifndef SC_NO_HISTORY 523 int sc_alloc_history_buffer(scr_stat *scp, int lines, 524 int prev_ysize, int wait); 525 void sc_free_history_buffer(scr_stat *scp, int prev_ysize); 526 void sc_hist_save(scr_stat *scp); 527 #define sc_hist_save_one_line(scp, from) \ 528 sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize) 529 int sc_hist_restore(scr_stat *scp); 530 void sc_hist_home(scr_stat *scp); 531 void sc_hist_end(scr_stat *scp); 532 int sc_hist_up_line(scr_stat *scp); 533 int sc_hist_down_line(scr_stat *scp); 534 int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data, 535 int flag); 536 #endif /* SC_NO_HISTORY */ 537 538 /* scmouse.c */ 539 #ifndef SC_NO_CUTPASTE 540 void sc_alloc_cut_buffer(scr_stat *scp, int wait); 541 void sc_draw_mouse_image(scr_stat *scp); 542 void sc_remove_mouse_image(scr_stat *scp); 543 int sc_inside_cutmark(scr_stat *scp, int pos); 544 void sc_remove_cutmarking(scr_stat *scp); 545 void sc_remove_all_cutmarkings(sc_softc_t *scp); 546 void sc_remove_all_mouse(sc_softc_t *scp); 547 #else 548 #define sc_draw_mouse_image(scp) 549 #define sc_remove_mouse_image(scp) 550 #define sc_inside_cutmark(scp, pos) FALSE 551 #define sc_remove_cutmarking(scp) 552 #define sc_remove_all_cutmarkings(scp) 553 #define sc_remove_all_mouse(scp) 554 #endif /* SC_NO_CUTPASTE */ 555 #ifndef SC_NO_SYSMOUSE 556 void sc_mouse_move(scr_stat *scp, int x, int y); 557 int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, 558 int flag); 559 #endif /* SC_NO_SYSMOUSE */ 560 561 /* scvidctl.c */ 562 int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, 563 int xsize, int ysize, int fontsize); 564 int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode); 565 int sc_set_pixel_mode(scr_stat *scp, struct tty *tp, 566 int xsize, int ysize, int fontsize); 567 int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, 568 int flag); 569 570 int sc_render_add(sc_renderer_t *rndr); 571 int sc_render_remove(sc_renderer_t *rndr); 572 sc_rndr_sw_t *sc_render_match(scr_stat *scp, char *name, int model); 573 574 /* scvtb.c */ 575 void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, 576 void *buffer, int wait); 577 void sc_vtb_destroy(sc_vtb_t *vtb); 578 size_t sc_vtb_size(int cols, int rows); 579 void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr); 580 581 int sc_vtb_getc(sc_vtb_t *vtb, int at); 582 int sc_vtb_geta(sc_vtb_t *vtb, int at); 583 void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a); 584 uint16_t *sc_vtb_putchar(sc_vtb_t *vtb, uint16_t *p, int c, int a); 585 int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset); 586 587 #define sc_vtb_tail(vtb) ((vtb)->vtb_tail) 588 #define sc_vtb_rows(vtb) ((vtb)->vtb_rows) 589 #define sc_vtb_cols(vtb) ((vtb)->vtb_cols) 590 591 void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to, 592 int count); 593 void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, 594 int count); 595 void sc_vtb_seek(sc_vtb_t *vtb, int pos); 596 void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr); 597 void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count); 598 void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr); 599 void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr); 600 601 /* sysmouse.c */ 602 int sysmouse_event(mouse_info_t *info); 603 604 /* scterm.c */ 605 void sc_move_cursor(scr_stat *scp, int x, int y); 606 void sc_clear_screen(scr_stat *scp); 607 int sc_term_add(sc_term_sw_t *sw); 608 int sc_term_remove(sc_term_sw_t *sw); 609 sc_term_sw_t *sc_term_match(char *name); 610 sc_term_sw_t *sc_term_match_by_number(int index); 611 612 /* machine dependent functions */ 613 int sc_max_unit(void); 614 sc_softc_t *sc_get_softc(int unit, int flags); 615 sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd); 616 int sc_get_cons_priority(int *unit, int *flags); 617 void sc_get_bios_values(bios_values_t *values); 618 int sc_tone(int hertz); 619 620 #endif /* !_DEV_SYSCONS_SYSCONS_H_ */
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