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 */ 33 34 #ifndef _DEV_SYSCONS_SYSCONS_H_ 35 #define _DEV_SYSCONS_SYSCONS_H_ 36 37 #include <sys/malloc.h> 38 39 MALLOC_DECLARE(M_SYSCONS); 40 41 /* default values for configuration options */ 42 43 #ifndef MAXCONS 44 #define MAXCONS 16 /* power of 2 */ 45 #endif 46 47 #ifdef SC_NO_SYSMOUSE 48 #undef SC_NO_CUTPASTE 49 #define SC_NO_CUTPASTE 1 50 #endif 51 52 #ifdef SC_NO_MODE_CHANGE 53 #undef SC_PIXEL_MODE 54 #endif 55 56 /* Always load font data if the pixel (raster text) mode is to be used. */ 57 #ifdef SC_PIXEL_MODE 58 #undef SC_NO_FONT_LOADING 59 #endif 60 61 /* 62 * If font data is not available, the `arrow'-shaped mouse cursor cannot 63 * be drawn. Use the alternative drawing method. 64 */ 65 #ifdef SC_NO_FONT_LOADING 66 #undef SC_ALT_MOUSE_IMAGE 67 #define SC_ALT_MOUSE_IMAGE 1 68 #endif 69 70 #ifndef SC_CURSOR_CHAR 71 #define SC_CURSOR_CHAR (0x07) 72 #endif 73 74 #ifndef SC_MOUSE_CHAR 75 #define SC_MOUSE_CHAR (0xd0) 76 #endif 77 78 #if SC_MOUSE_CHAR <= SC_CURSOR_CHAR && SC_CURSOR_CHAR < (SC_MOUSE_CHAR + 4) 79 #undef SC_CURSOR_CHAR 80 #define SC_CURSOR_CHAR (SC_MOUSE_CHAR + 4) 81 #endif 82 83 #ifndef SC_DEBUG_LEVEL 84 #define SC_DEBUG_LEVEL 0 85 #endif 86 87 #define DPRINTF(l, p) if (SC_DEBUG_LEVEL >= (l)) kprintf p 88 89 #define SC_DRIVER_NAME "sc" 90 #define SC_VTY(dev) minor(dev) 91 #define SC_DEV(sc, vty) ((sc)->dev ? (sc)->dev[(vty) - (sc)->first_vty] : NULL) 92 #define SC_STAT(dev) ((scr_stat *)(dev)->si_drv1) 93 94 /* printable chars */ 95 #ifndef PRINTABLE 96 #define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \ 97 || (ch) < 0x07) 98 #endif 99 100 /* macros for "intelligent" screen update */ 101 #define mark_for_update(scp, x) {\ 102 if ((x) < scp->start) scp->start = (x);\ 103 else if ((x) > scp->end) scp->end = (x);\ 104 } 105 #define mark_all(scp) {\ 106 scp->start = 0;\ 107 scp->end = scp->xsize * scp->ysize - 1;\ 108 } 109 110 /* macro for calculating the drawing position in video memory */ 111 #ifdef SC_PIXEL_MODE 112 #define VIDEO_MEMORY_POS(scp, pos, x) \ 113 ((scp)->sc->adp->va_window + \ 114 (x) * (scp)->xoff + \ 115 (scp)->yoff * (scp)->font_height * (scp)->sc->adp->va_line_width +\ 116 (x) * ((pos) % (scp)->xsize) + \ 117 (scp)->font_height * (scp)->sc->adp->va_line_width * \ 118 (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_AUTODETECT_KBD (1 << 8) 178 #define SC_KERNEL_CONSOLE (1 << 9) 179 180 int flags; /* status flags */ 181 #define SC_VISUAL_BELL (1 << 0) 182 #define SC_QUIET_BELL (1 << 1) 183 #define SC_BLINK_CURSOR (1 << 2) 184 #define SC_CHAR_CURSOR (1 << 3) 185 #define SC_MOUSE_ENABLED (1 << 4) 186 #define SC_SCRN_IDLE (1 << 5) 187 #define SC_SCRN_BLANKED (1 << 6) 188 #define SC_SAVER_FAILED (1 << 7) 189 #define SC_SCRN_VTYLOCK (1 << 8) 190 191 #define SC_INIT_DONE (1 << 16) 192 #define SC_SPLASH_SCRN (1 << 17) 193 194 int keyboard; /* -1 if unavailable */ 195 struct keyboard *kbd; 196 197 int adapter; 198 struct video_adapter *adp; 199 int initial_mode; /* initial video mode */ 200 201 struct fb_info *fbi; 202 203 int first_vty; 204 int vtys; 205 cdev_t *dev; 206 struct scr_stat *console_scp; 207 struct scr_stat *cur_scp; 208 struct scr_stat *new_scp; 209 struct scr_stat *old_scp; 210 int delayed_next_scr; 211 int videoio_in_progress; 212 213 char font_loading_in_progress; 214 char switch_in_progress; 215 char write_in_progress; 216 char blink_in_progress; 217 218 long scrn_time_stamp; 219 struct callout scrn_timer_ch; 220 221 char cursor_base; 222 char cursor_height; 223 224 u_char scr_map[256]; 225 u_char scr_rmap[256]; 226 227 #ifdef _SC_MD_SOFTC_DECLARED_ 228 sc_md_softc_t md; /* machine dependent vars */ 229 #endif 230 231 #ifndef SC_NO_PALETTE_LOADING 232 u_char palette[256*3]; 233 #endif 234 235 #ifndef SC_NO_FONT_LOADING 236 int fonts_loaded; 237 #define FONT_8 2 238 #define FONT_14 4 239 #define FONT_16 8 240 u_char *font_8; 241 u_char *font_14; 242 u_char *font_16; 243 #endif 244 245 u_char cursor_char; 246 u_char mouse_char; 247 248 } sc_softc_t; 249 250 /* virtual screen */ 251 typedef struct scr_stat { 252 int index; /* index of this vty */ 253 struct sc_softc *sc; /* pointer to softc */ 254 struct sc_rndr_sw *rndr; /* renderer */ 255 sc_vtb_t scr; 256 sc_vtb_t vtb; 257 struct fb_info *fbi; 258 259 int xpos; /* current X position */ 260 int ypos; /* current Y position */ 261 int xsize; /* X text size */ 262 int ysize; /* Y text size */ 263 int xpixel; /* X graphics size */ 264 int ypixel; /* Y graphics size */ 265 int xoff; /* X offset in pixel mode */ 266 int yoff; /* Y offset in pixel mode */ 267 268 u_char *font; /* current font */ 269 int font_height; /* font source Y pixels */ 270 int font_width; /* font source X pixels */ 271 int blk_height; /* fbtarget Y pixels */ 272 int blk_width; /* fbtarget X pixels */ 273 274 int start; /* modified area start */ 275 int end; /* modified area end */ 276 int show_cursor; /* used by async scrn_update */ 277 278 struct sc_term_sw *tsw; 279 void *ts; 280 281 int status; /* status (bitfield) */ 282 int kbd_mode; /* keyboard I/O mode */ 283 284 int cursor_pos; /* cursor buffer position */ 285 int cursor_oldpos; /* cursor old buffer position */ 286 u_short cursor_saveunder_char; /* saved char under cursor */ 287 u_short cursor_saveunder_attr; /* saved attr under cursor */ 288 char cursor_base; /* cursor base line # */ 289 char cursor_height; /* cursor height */ 290 291 int mouse_pos; /* mouse buffer position */ 292 int mouse_oldpos; /* mouse old buffer position */ 293 short mouse_xpos; /* mouse x coordinate */ 294 short mouse_ypos; /* mouse y coordinate */ 295 short mouse_oldxpos; /* mouse previous x coordinate */ 296 short mouse_oldypos; /* mouse previous y coordinate */ 297 short mouse_buttons; /* mouse buttons */ 298 int mouse_cut_start; /* mouse cut start pos */ 299 int mouse_cut_end; /* mouse cut end pos */ 300 struct proc *mouse_proc; /* proc* of controlling proc */ 301 pid_t mouse_pid; /* pid of controlling proc */ 302 int mouse_signal; /* signal # to report with */ 303 304 u_short bell_duration; 305 u_short bell_pitch; 306 307 struct callout blink_screen_ch; 308 309 uint32_t ega_palette[16]; /* ega palette */ 310 u_char border; /* border color */ 311 int mode; /* mode */ 312 int model; /* memory model */ 313 pid_t pid; /* pid of controlling proc */ 314 struct proc *proc; /* proc* of controlling proc */ 315 struct vt_mode smode; /* switch mode */ 316 317 sc_vtb_t *history; /* circular history buffer */ 318 int history_pos; /* position shown on screen */ 319 int history_size; /* size of history buffer */ 320 321 int splash_save_mode; /* saved mode for splash scr */ 322 int splash_save_status; /* saved status for splash scr*/ 323 int queue_update_td; 324 struct thread *asynctd; 325 #ifdef _SCR_MD_STAT_DECLARED_ 326 scr_md_stat_t md; /* machine dependent vars */ 327 #endif 328 } scr_stat; 329 330 #ifndef SC_NORM_ATTR 331 #define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK) 332 #endif 333 #ifndef SC_NORM_REV_ATTR 334 #define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 335 #endif 336 #ifndef SC_KERNEL_CONS_ATTR 337 #define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK) 338 #endif 339 #ifndef SC_KERNEL_CONS_REV_ATTR 340 #define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 341 #endif 342 343 /* terminal emulator */ 344 345 #ifndef SC_DFLT_TERM 346 #define SC_DFLT_TERM "*" /* any */ 347 #endif 348 349 typedef int sc_term_init_t(scr_stat *scp, void **tcp, int code); 350 #define SC_TE_COLD_INIT 0 351 #define SC_TE_WARM_INIT 1 352 typedef int sc_term_term_t(scr_stat *scp, void **tcp); 353 typedef void sc_term_puts_t(scr_stat *scp, u_char *buf, int len); 354 typedef int sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd, 355 caddr_t data, int flag); 356 typedef int sc_term_reset_t(scr_stat *scp, int code); 357 #define SC_TE_HARD_RESET 0 358 #define SC_TE_SOFT_RESET 1 359 typedef void sc_term_default_attr_t(scr_stat *scp, int norm, int rev); 360 typedef void sc_term_clear_t(scr_stat *scp); 361 typedef void sc_term_notify_t(scr_stat *scp, int event); 362 #define SC_TE_NOTIFY_VTSWITCH_IN 0 363 #define SC_TE_NOTIFY_VTSWITCH_OUT 1 364 typedef int sc_term_input_t(scr_stat *scp, int c, struct tty *tp); 365 366 typedef struct sc_term_sw { 367 LIST_ENTRY(sc_term_sw) link; 368 char *te_name; /* name of the emulator */ 369 char *te_desc; /* description */ 370 char *te_renderer; /* matching renderer */ 371 size_t te_size; /* size of internal buffer */ 372 int te_refcount; /* reference counter */ 373 sc_term_init_t *te_init; 374 sc_term_term_t *te_term; 375 sc_term_puts_t *te_puts; 376 sc_term_ioctl_t *te_ioctl; 377 sc_term_reset_t *te_reset; 378 sc_term_default_attr_t *te_default_attr; 379 sc_term_clear_t *te_clear; 380 sc_term_notify_t *te_notify; 381 sc_term_input_t *te_input; 382 } sc_term_sw_t; 383 384 extern struct linker_set scterm_set; 385 386 #define SCTERM_MODULE(name, sw) \ 387 DATA_SET(scterm_set, sw); \ 388 static int \ 389 scterm_##name##_event(module_t mod, int type, void *data) \ 390 { \ 391 switch (type) { \ 392 case MOD_LOAD: \ 393 return sc_term_add(&sw); \ 394 case MOD_UNLOAD: \ 395 if (sw.te_refcount > 0) \ 396 return EBUSY; \ 397 return sc_term_remove(&sw); \ 398 default: \ 399 break; \ 400 } \ 401 return 0; \ 402 } \ 403 static moduledata_t scterm_##name##_mod = { \ 404 "scterm-" #name, \ 405 scterm_##name##_event, \ 406 NULL, \ 407 }; \ 408 DECLARE_MODULE(scterm_##name, scterm_##name##_mod, \ 409 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 410 411 /* renderer function table */ 412 typedef void vr_draw_border_t(scr_stat *scp, int color); 413 typedef void vr_draw_t(scr_stat *scp, int from, int count, int flip); 414 typedef void vr_set_cursor_t(scr_stat *scp, int base, int height, int blink); 415 typedef void vr_draw_cursor_t(scr_stat *scp, int at, int blink, 416 int on, int flip); 417 typedef void vr_blink_cursor_t(scr_stat *scp, int at, int flip); 418 typedef void vr_set_mouse_t(scr_stat *scp); 419 typedef void vr_draw_mouse_t(scr_stat *scp, int x, int y, int on); 420 421 typedef struct sc_rndr_sw { 422 vr_draw_border_t *draw_border; 423 vr_draw_t *draw; 424 vr_set_cursor_t *set_cursor; 425 vr_draw_cursor_t *draw_cursor; 426 vr_blink_cursor_t *blink_cursor; 427 vr_draw_mouse_t *draw_mouse; 428 } sc_rndr_sw_t; 429 430 typedef struct sc_renderer { 431 char *name; 432 int model; 433 sc_rndr_sw_t *rndrsw; 434 LIST_ENTRY(sc_renderer) link; 435 } sc_renderer_t; 436 437 extern struct linker_set scrndr_set; 438 439 #define RENDERER(name, model, sw, set) \ 440 static struct sc_renderer scrndr_##name##_##model = { \ 441 #name, model, &sw \ 442 }; \ 443 DATA_SET(scrndr_set, scrndr_##name##_##model); \ 444 DATA_SET(set, scrndr_##name##_##model) 445 446 #define RENDERER_MODULE(name, set) \ 447 SET_DECLARE(set, sc_renderer_t); \ 448 static int \ 449 scrndr_##name##_event(module_t mod, int type, void *data) \ 450 { \ 451 sc_renderer_t **list; \ 452 int error = 0; \ 453 switch (type) { \ 454 case MOD_LOAD: \ 455 SET_FOREACH(list, set) { \ 456 error = sc_render_add(*list); \ 457 if (error) \ 458 break; \ 459 } \ 460 break; \ 461 case MOD_UNLOAD: \ 462 SET_FOREACH(list, set) { \ 463 error = sc_render_remove(*list); \ 464 if (error) \ 465 break; \ 466 } \ 467 break; \ 468 default: \ 469 break; \ 470 } \ 471 return error; \ 472 } \ 473 static moduledata_t scrndr_##name##_mod = { \ 474 "scrndr-" #name, \ 475 scrndr_##name##_event, \ 476 NULL, \ 477 }; \ 478 DECLARE_MODULE(scrndr_##name, scrndr_##name##_mod, \ 479 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 480 481 typedef struct { 482 int cursor_start; 483 int cursor_end; 484 int shift_state; 485 int bell_pitch; 486 } bios_values_t; 487 488 /* other macros */ 489 #define ISTEXTSC(scp) (!((scp)->status \ 490 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))) 491 #define ISGRAPHSC(scp) (((scp)->status \ 492 & (UNKNOWN_MODE | GRAPHICS_MODE))) 493 #define ISPIXELSC(scp) (((scp)->status \ 494 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\ 495 == PIXEL_MODE) 496 #define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE) 497 498 #define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT) 499 #define ISFONTAVAIL(af) ((af) & V_ADP_FONT) 500 #define ISPALAVAIL(af) ((af) & V_ADP_PALETTE) 501 502 #define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 503 504 /* syscons.c */ 505 int sc_probe_unit(int unit, int flags); 506 int sc_attach_unit(int unit, int flags); 507 508 int set_mode(scr_stat *scp); 509 void refresh_ega_palette(scr_stat *scp); 510 511 void sc_set_border(scr_stat *scp, int color); 512 void sc_load_font(scr_stat *scp, int page, int size, u_char *font, 513 int base, int count); 514 void sc_save_font(scr_stat *scp, int page, int size, u_char *font, 515 int base, int count); 516 void sc_show_font(scr_stat *scp, int page); 517 518 void sc_touch_scrn_saver(void); 519 void sc_draw_cursor_image(scr_stat *scp); 520 void sc_remove_cursor_image(scr_stat *scp); 521 void sc_set_cursor_image(scr_stat *scp); 522 int sc_clean_up(scr_stat *scp); 523 int sc_switch_scr(sc_softc_t *sc, u_int next_scr); 524 void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard); 525 int sc_init_emulator(scr_stat *scp, char *name); 526 void sc_paste(scr_stat *scp, u_char *p, int count); 527 void sc_bell(scr_stat *scp, int pitch, int duration); 528 529 /* schistory.c */ 530 #ifndef SC_NO_HISTORY 531 int sc_alloc_history_buffer(scr_stat *scp, int lines, 532 int prev_ysize, int wait); 533 void sc_free_history_buffer(scr_stat *scp, int prev_ysize); 534 void sc_hist_save(scr_stat *scp); 535 #define sc_hist_save_one_line(scp, from) \ 536 sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize) 537 int sc_hist_restore(scr_stat *scp); 538 void sc_hist_home(scr_stat *scp); 539 void sc_hist_getback(scr_stat *scp, int old_ysize); 540 void sc_hist_end(scr_stat *scp); 541 int sc_hist_up_line(scr_stat *scp); 542 int sc_hist_down_line(scr_stat *scp); 543 int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data, 544 int flag); 545 #endif /* SC_NO_HISTORY */ 546 547 /* scmouse.c */ 548 #ifndef SC_NO_CUTPASTE 549 void sc_alloc_cut_buffer(scr_stat *scp, int wait); 550 void sc_draw_mouse_image(scr_stat *scp); 551 void sc_remove_mouse_image(scr_stat *scp); 552 int sc_inside_cutmark(scr_stat *scp, int pos); 553 void sc_remove_cutmarking(scr_stat *scp); 554 void sc_remove_all_cutmarkings(sc_softc_t *scp); 555 void sc_remove_all_mouse(sc_softc_t *scp); 556 #else 557 #define sc_draw_mouse_image(scp) 558 #define sc_remove_mouse_image(scp) 559 #define sc_inside_cutmark(scp, pos) FALSE 560 #define sc_remove_cutmarking(scp) 561 #define sc_remove_all_cutmarkings(scp) 562 #define sc_remove_all_mouse(scp) 563 #endif /* SC_NO_CUTPASTE */ 564 #ifndef SC_NO_SYSMOUSE 565 void sc_mouse_move(scr_stat *scp, int x, int y); 566 int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, 567 int flag); 568 #endif /* SC_NO_SYSMOUSE */ 569 570 /* scvidctl.c */ 571 int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, 572 int xsize, int ysize, int fontsize); 573 int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode); 574 int sc_set_pixel_mode(scr_stat *scp, struct tty *tp, 575 int xsize, int ysize, int fontsize); 576 int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, 577 int flag); 578 579 int sc_render_add(sc_renderer_t *rndr); 580 int sc_render_remove(sc_renderer_t *rndr); 581 sc_rndr_sw_t *sc_render_match(scr_stat *scp, char *name, int model); 582 void sc_update_render(scr_stat *scp); 583 584 /* scvtb.c */ 585 void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, 586 void *buffer, int wait); 587 void sc_vtb_destroy(sc_vtb_t *vtb); 588 size_t sc_vtb_size(int cols, int rows); 589 void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr); 590 591 int sc_vtb_getc(sc_vtb_t *vtb, int at); 592 int sc_vtb_geta(sc_vtb_t *vtb, int at); 593 void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a); 594 uint16_t *sc_vtb_putchar(sc_vtb_t *vtb, uint16_t *p, int c, int a); 595 int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset); 596 597 #define sc_vtb_tail(vtb) ((vtb)->vtb_tail) 598 #define sc_vtb_rows(vtb) ((vtb)->vtb_rows) 599 #define sc_vtb_cols(vtb) ((vtb)->vtb_cols) 600 601 void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to, 602 int count); 603 void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, 604 int count); 605 void sc_vtb_seek(sc_vtb_t *vtb, int pos); 606 void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr); 607 void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count); 608 void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr); 609 void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr); 610 611 /* sysmouse.c */ 612 int sysmouse_event(mouse_info_t *info); 613 614 /* scterm.c */ 615 void sc_move_cursor(scr_stat *scp, int x, int y); 616 void sc_clear_screen(scr_stat *scp); 617 int sc_term_add(sc_term_sw_t *sw); 618 int sc_term_remove(sc_term_sw_t *sw); 619 sc_term_sw_t *sc_term_match(char *name); 620 sc_term_sw_t *sc_term_match_by_number(int index); 621 622 /* machine dependent functions */ 623 int sc_max_unit(void); 624 sc_softc_t *sc_get_softc(int unit, int flags); 625 sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd); 626 int sc_get_cons_priority(int *unit, int *flags); 627 void sc_get_bios_values(bios_values_t *values); 628 int sc_tone(int hertz); 629 630 #endif /* !_DEV_SYSCONS_SYSCONS_H_ */ 631