syscons.h revision 79534
1/*- 2 * Copyright (c) 1995-1998 S�ren Schmidt 3 * All rights reserved. 4 * 5 * Redistribution and use in source and binary forms, with or without 6 * modification, are permitted provided that the following conditions 7 * are met: 8 * 1. Redistributions of source code must retain the above copyright 9 * notice, this list of conditions and the following disclaimer, 10 * without modification, immediately at the beginning of the file. 11 * 2. Redistributions in binary form must reproduce the above copyright 12 * notice, this list of conditions and the following disclaimer in the 13 * documentation and/or other materials provided with the distribution. 14 * 3. The name of the author may not be used to endorse or promote products 15 * derived from this software without specific prior written permission. 16 * 17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 18 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 19 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 20 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 21 * 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 79534 2001-07-10 14:13:34Z 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/* Always load font data if the pixel (raster text) mode is to be used. */ 60#ifdef SC_PIXEL_MODE 61#undef SC_NO_FONT_LOADING 62#endif 63 64/* 65 * If font data is not available, the `arrow'-shaped mouse cursor cannot 66 * be drawn. Use the alternative drawing method. 67 */ 68#ifdef SC_NO_FONT_LOADING 69#undef SC_ALT_MOUSE_IMAGE 70#define SC_ALT_MOUSE_IMAGE 1 71#endif 72 73#ifndef SC_CURSOR_CHAR 74#define SC_CURSOR_CHAR (0x07) 75#endif 76 77#ifndef SC_MOUSE_CHAR 78#define SC_MOUSE_CHAR (0xd0) 79#endif 80 81#if SC_MOUSE_CHAR <= SC_CURSOR_CHAR && SC_CURSOR_CHAR < (SC_MOUSE_CHAR + 4) 82#undef SC_CURSOR_CHAR 83#define SC_CURSOR_CHAR (SC_MOUSE_CHAR + 4) 84#endif 85 86#ifndef SC_DEBUG_LEVEL 87#define SC_DEBUG_LEVEL 0 88#endif 89 90#define DPRINTF(l, p) if (SC_DEBUG_LEVEL >= (l)) printf p 91 92#define SC_DRIVER_NAME "sc" 93#define SC_VTY(dev) minor(dev) 94#define SC_DEV(sc, vty) ((sc)->dev[(vty) - (sc)->first_vty]) 95#define SC_STAT(dev) ((scr_stat *)(dev)->si_drv1) 96 97/* printable chars */ 98#ifndef PRINTABLE 99#define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \ 100 || (ch) < 0x07) 101#endif 102 103/* macros for "intelligent" screen update */ 104#define mark_for_update(scp, x) {\ 105 if ((x) < scp->start) scp->start = (x);\ 106 else if ((x) > scp->end) scp->end = (x);\ 107 } 108#define mark_all(scp) {\ 109 scp->start = 0;\ 110 scp->end = scp->xsize * scp->ysize - 1;\ 111 } 112 113/* vty status flags (scp->status) */ 114#define UNKNOWN_MODE 0x00010 /* unknown video mode */ 115#define SWITCH_WAIT_REL 0x00080 /* waiting for vty release */ 116#define SWITCH_WAIT_ACQ 0x00100 /* waiting for vty ack */ 117#define BUFFER_SAVED 0x00200 /* vty buffer is saved */ 118#define CURSOR_ENABLED 0x00400 /* text cursor is enabled */ 119#define MOUSE_MOVED 0x01000 /* mouse cursor has moved */ 120#define MOUSE_CUTTING 0x02000 /* mouse cursor is cutting text */ 121#define MOUSE_VISIBLE 0x04000 /* mouse cursor is showing */ 122#define GRAPHICS_MODE 0x08000 /* vty is in a graphics mode */ 123#define PIXEL_MODE 0x10000 /* vty is in a raster text mode */ 124#define SAVER_RUNNING 0x20000 /* screen saver is running */ 125#define VR_CURSOR_BLINK 0x40000 /* blinking text cursor */ 126#define VR_CURSOR_ON 0x80000 /* text cursor is on */ 127#define MOUSE_HIDDEN 0x100000 /* mouse cursor is temporarily hidden */ 128 129/* misc defines */ 130#define FALSE 0 131#define TRUE 1 132#define COL 80 133#define ROW 25 134#define PCBURST 128 135 136#ifndef BELL_DURATION 137#define BELL_DURATION ((5 * hz + 99) / 100) 138#define BELL_PITCH 800 139#endif 140 141/* virtual terminal buffer */ 142typedef struct sc_vtb { 143 int vtb_flags; 144#define VTB_VALID (1 << 0) 145#define VTB_ALLOCED (1 << 1) 146 int vtb_type; 147#define VTB_INVALID 0 148#define VTB_MEMORY 1 149#define VTB_FRAMEBUFFER 2 150#define VTB_RINGBUFFER 3 151 int vtb_cols; 152 int vtb_rows; 153 int vtb_size; 154 vm_offset_t vtb_buffer; 155 int vtb_tail; /* valid for VTB_RINGBUFFER only */ 156} sc_vtb_t; 157 158/* softc */ 159 160struct keyboard; 161struct video_adapter; 162struct scr_stat; 163struct tty; 164 165typedef struct sc_softc { 166 int unit; /* unit # */ 167 int config; /* configuration flags */ 168#define SC_VESA800X600 (1 << 7) 169#define SC_AUTODETECT_KBD (1 << 8) 170#define SC_KERNEL_CONSOLE (1 << 9) 171 172 int flags; /* status flags */ 173#define SC_VISUAL_BELL (1 << 0) 174#define SC_QUIET_BELL (1 << 1) 175#define SC_BLINK_CURSOR (1 << 2) 176#define SC_CHAR_CURSOR (1 << 3) 177#define SC_MOUSE_ENABLED (1 << 4) 178#define SC_SCRN_IDLE (1 << 5) 179#define SC_SCRN_BLANKED (1 << 6) 180#define SC_SAVER_FAILED (1 << 7) 181 182#define SC_INIT_DONE (1 << 16) 183#define SC_SPLASH_SCRN (1 << 17) 184 185 int keyboard; /* -1 if unavailable */ 186 struct keyboard *kbd; 187 188 int adapter; 189 struct video_adapter *adp; 190 int initial_mode; /* initial video mode */ 191 192 int first_vty; 193 int vtys; 194 dev_t *dev; 195 struct scr_stat *cur_scp; 196 struct scr_stat *new_scp; 197 struct scr_stat *old_scp; 198 int delayed_next_scr; 199 200 char font_loading_in_progress; 201 char switch_in_progress; 202 char videoio_in_progress; 203 char write_in_progress; 204 char blink_in_progress; 205 206 long scrn_time_stamp; 207 208 char cursor_base; 209 char cursor_height; 210 211 u_char scr_map[256]; 212 u_char scr_rmap[256]; 213 214#ifdef _SC_MD_SOFTC_DECLARED_ 215 sc_md_softc_t md; /* machine dependent vars */ 216#endif 217 218#ifndef SC_NO_PALETTE_LOADING 219 u_char palette[256*3]; 220#endif 221 222#ifndef SC_NO_FONT_LOADING 223 int fonts_loaded; 224#define FONT_8 2 225#define FONT_14 4 226#define FONT_16 8 227 u_char *font_8; 228 u_char *font_14; 229 u_char *font_16; 230#endif 231 232 u_char cursor_char; 233 u_char mouse_char; 234 235} sc_softc_t; 236 237/* virtual screen */ 238typedef struct scr_stat { 239 int index; /* index of this vty */ 240 struct sc_softc *sc; /* pointer to softc */ 241 struct sc_rndr_sw *rndr; /* renderer */ 242 sc_vtb_t scr; 243 sc_vtb_t vtb; 244 245 int xpos; /* current X position */ 246 int ypos; /* current Y position */ 247 int xsize; /* X text size */ 248 int ysize; /* Y text size */ 249 int xpixel; /* X graphics size */ 250 int ypixel; /* Y graphics size */ 251 int xoff; /* X offset in pixel mode */ 252 int yoff; /* Y offset in pixel mode */ 253 254 u_char *font; /* current font */ 255 int font_size; /* fontsize in Y direction */ 256 257 int start; /* modified area start */ 258 int end; /* modified area end */ 259 260 struct sc_term_sw *tsw; 261 void *ts; 262 263 int status; /* status (bitfield) */ 264 int kbd_mode; /* keyboard I/O mode */ 265 266 int cursor_pos; /* cursor buffer position */ 267 int cursor_oldpos; /* cursor old buffer position */ 268 u_short cursor_saveunder_char; /* saved char under cursor */ 269 u_short cursor_saveunder_attr; /* saved attr under cursor */ 270 char cursor_base; /* cursor base line # */ 271 char cursor_height; /* cursor height */ 272 273 int mouse_pos; /* mouse buffer position */ 274 int mouse_oldpos; /* mouse old buffer position */ 275 short mouse_xpos; /* mouse x coordinate */ 276 short mouse_ypos; /* mouse y coordinate */ 277 short mouse_oldxpos; /* mouse previous x coordinate */ 278 short mouse_oldypos; /* mouse previous y coordinate */ 279 short mouse_buttons; /* mouse buttons */ 280 int mouse_cut_start; /* mouse cut start pos */ 281 int mouse_cut_end; /* mouse cut end pos */ 282 struct proc *mouse_proc; /* proc* of controlling proc */ 283 pid_t mouse_pid; /* pid of controlling proc */ 284 int mouse_signal; /* signal # to report with */ 285 286 u_short bell_duration; 287 u_short bell_pitch; 288 289 u_char border; /* border color */ 290 int mode; /* mode */ 291 pid_t pid; /* pid of controlling proc */ 292 struct proc *proc; /* proc* of controlling proc */ 293 struct vt_mode smode; /* switch mode */ 294 295 sc_vtb_t *history; /* circular history buffer */ 296 int history_pos; /* position shown on screen */ 297 int history_size; /* size of history buffer */ 298 299 int splash_save_mode; /* saved mode for splash screen */ 300 int splash_save_status; /* saved status for splash screen */ 301#ifdef _SCR_MD_STAT_DECLARED_ 302 scr_md_stat_t md; /* machine dependent vars */ 303#endif 304} scr_stat; 305 306#ifndef SC_NORM_ATTR 307#define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK) 308#endif 309#ifndef SC_NORM_REV_ATTR 310#define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 311#endif 312#ifndef SC_KERNEL_CONS_ATTR 313#define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK) 314#endif 315#ifndef SC_KERNEL_CONS_REV_ATTR 316#define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 317#endif 318 319/* terminal emulator */ 320 321#ifndef SC_DFLT_TERM 322#define SC_DFLT_TERM "*" /* any */ 323#endif 324 325typedef int sc_term_init_t(scr_stat *scp, void **tcp, int code); 326#define SC_TE_COLD_INIT 0 327#define SC_TE_WARM_INIT 1 328typedef int sc_term_term_t(scr_stat *scp, void **tcp); 329typedef void sc_term_puts_t(scr_stat *scp, u_char *buf, int len); 330typedef int sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd, 331 caddr_t data, int flag, struct proc *p); 332typedef int sc_term_reset_t(scr_stat *scp, int code); 333#define SC_TE_HARD_RESET 0 334#define SC_TE_SOFT_RESET 1 335typedef void sc_term_default_attr_t(scr_stat *scp, int norm, int rev); 336typedef void sc_term_clear_t(scr_stat *scp); 337typedef void sc_term_notify_t(scr_stat *scp, int event); 338#define SC_TE_NOTIFY_VTSWITCH_IN 0 339#define SC_TE_NOTIFY_VTSWITCH_OUT 1 340typedef int sc_term_input_t(scr_stat *scp, int c, struct tty *tp); 341 342typedef struct sc_term_sw { 343 LIST_ENTRY(sc_term_sw) link; 344 char *te_name; /* name of the emulator */ 345 char *te_desc; /* description */ 346 char *te_renderer; /* matching renderer */ 347 size_t te_size; /* size of internal buffer */ 348 int te_refcount; /* reference counter */ 349 sc_term_init_t *te_init; 350 sc_term_term_t *te_term; 351 sc_term_puts_t *te_puts; 352 sc_term_ioctl_t *te_ioctl; 353 sc_term_reset_t *te_reset; 354 sc_term_default_attr_t *te_default_attr; 355 sc_term_clear_t *te_clear; 356 sc_term_notify_t *te_notify; 357 sc_term_input_t *te_input; 358} sc_term_sw_t; 359 360#define SCTERM_MODULE(name, sw) \ 361 DATA_SET(scterm_set, sw); \ 362 static int \ 363 scterm_##name##_event(module_t mod, int type, void *data) \ 364 { \ 365 switch (type) { \ 366 case MOD_LOAD: \ 367 return sc_term_add(&sw); \ 368 case MOD_UNLOAD: \ 369 if (sw.te_refcount > 0) \ 370 return EBUSY; \ 371 return sc_term_remove(&sw); \ 372 default: \ 373 break; \ 374 } \ 375 return 0; \ 376 } \ 377 static moduledata_t scterm_##name##_mod = { \ 378 "scterm-" #name, \ 379 scterm_##name##_event, \ 380 NULL, \ 381 }; \ 382 DECLARE_MODULE(scterm_##name, scterm_##name##_mod, \ 383 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 384 385/* renderer function table */ 386typedef void vr_clear_t(scr_stat *scp, int c, int attr); 387typedef void vr_draw_border_t(scr_stat *scp, int color); 388typedef void vr_draw_t(scr_stat *scp, int from, int count, int flip); 389typedef void vr_set_cursor_t(scr_stat *scp, int base, int height, int blink); 390typedef void vr_draw_cursor_t(scr_stat *scp, int at, int blink, 391 int on, int flip); 392typedef void vr_blink_cursor_t(scr_stat *scp, int at, int flip); 393typedef void vr_set_mouse_t(scr_stat *scp); 394typedef void vr_draw_mouse_t(scr_stat *scp, int x, int y, int on); 395 396typedef struct sc_rndr_sw { 397 vr_clear_t *clear; 398 vr_draw_border_t *draw_border; 399 vr_draw_t *draw; 400 vr_set_cursor_t *set_cursor; 401 vr_draw_cursor_t *draw_cursor; 402 vr_blink_cursor_t *blink_cursor; 403 vr_set_mouse_t *set_mouse; 404 vr_draw_mouse_t *draw_mouse; 405} sc_rndr_sw_t; 406 407typedef struct sc_renderer { 408 char *name; 409 int mode; 410 sc_rndr_sw_t *rndrsw; 411 LIST_ENTRY(sc_renderer) link; 412} sc_renderer_t; 413 414#define RENDERER(name, mode, sw, set) \ 415 static struct sc_renderer scrndr_##name##_##mode## = { \ 416 #name, mode, &sw \ 417 }; \ 418 DATA_SET(scrndr_set, scrndr_##name##_##mode##); \ 419 DATA_SET(set, scrndr_##name##_##mode##) 420 421#define RENDERER_MODULE(name, set) \ 422 SET_DECLARE(set, sc_renderer_t); \ 423 static int \ 424 scrndr_##name##_event(module_t mod, int type, void *data) \ 425 { \ 426 sc_renderer_t **list; \ 427 int error = 0; \ 428 switch (type) { \ 429 case MOD_LOAD: \ 430 SET_FOREACH(list, set) { \ 431 error = sc_render_add(*list); \ 432 if (error) \ 433 break; \ 434 } \ 435 break; \ 436 case MOD_UNLOAD: \ 437 SET_FOREACH(list, set) { \ 438 error = sc_render_remove(*list);\ 439 if (error) \ 440 break; \ 441 } \ 442 break; \ 443 default: \ 444 break; \ 445 } \ 446 return error; \ 447 } \ 448 static moduledata_t scrndr_##name##_mod = { \ 449 "scrndr-" #name, \ 450 scrndr_##name##_event, \ 451 NULL, \ 452 }; \ 453 DECLARE_MODULE(scrndr_##name##, scrndr_##name##_mod, \ 454 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 455 456typedef struct { 457 int cursor_start; 458 int cursor_end; 459 int shift_state; 460 int bell_pitch; 461} bios_values_t; 462 463/* other macros */ 464#define ISTEXTSC(scp) (!((scp)->status \ 465 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))) 466#define ISGRAPHSC(scp) (((scp)->status \ 467 & (UNKNOWN_MODE | GRAPHICS_MODE))) 468#define ISPIXELSC(scp) (((scp)->status \ 469 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\ 470 == PIXEL_MODE) 471#define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE) 472 473#define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT) 474#define ISFONTAVAIL(af) ((af) & V_ADP_FONT) 475#define ISPALAVAIL(af) ((af) & V_ADP_PALETTE) 476 477#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 478 479#define kbd_read_char(kbd, wait) \ 480 (*kbdsw[(kbd)->kb_index]->read_char)((kbd), (wait)) 481#define kbd_check_char(kbd) \ 482 (*kbdsw[(kbd)->kb_index]->check_char)((kbd)) 483#define kbd_enable(kbd) \ 484 (*kbdsw[(kbd)->kb_index]->enable)((kbd)) 485#define kbd_disable(kbd) \ 486 (*kbdsw[(kbd)->kb_index]->disable)((kbd)) 487#define kbd_lock(kbd, lockf) \ 488 (*kbdsw[(kbd)->kb_index]->lock)((kbd), (lockf)) 489#define kbd_ioctl(kbd, cmd, arg) \ 490 (((kbd) == NULL) ? \ 491 ENODEV : (*kbdsw[(kbd)->kb_index]->ioctl)((kbd), (cmd), (arg))) 492#define kbd_clear_state(kbd) \ 493 (*kbdsw[(kbd)->kb_index]->clear_state)((kbd)) 494#define kbd_get_fkeystr(kbd, fkey, len) \ 495 (*kbdsw[(kbd)->kb_index]->get_fkeystr)((kbd), (fkey), (len)) 496#define kbd_poll(kbd, on) \ 497 (*kbdsw[(kbd)->kb_index]->poll)((kbd), (on)) 498 499/* syscons.c */ 500extern int (*sc_user_ioctl)(dev_t dev, u_long cmd, caddr_t data, 501 int flag, struct proc *p); 502 503int sc_probe_unit(int unit, int flags); 504int sc_attach_unit(int unit, int flags); 505 506int set_mode(scr_stat *scp); 507 508void sc_set_border(scr_stat *scp, int color); 509void sc_load_font(scr_stat *scp, int page, int size, u_char *font, 510 int base, int count); 511void sc_save_font(scr_stat *scp, int page, int size, u_char *font, 512 int base, int count); 513void sc_show_font(scr_stat *scp, int page); 514 515void sc_touch_scrn_saver(void); 516void sc_puts(scr_stat *scp, u_char *buf, int len); 517void sc_draw_cursor_image(scr_stat *scp); 518void sc_remove_cursor_image(scr_stat *scp); 519void sc_set_cursor_image(scr_stat *scp); 520int sc_clean_up(scr_stat *scp); 521int sc_switch_scr(sc_softc_t *sc, u_int next_scr); 522void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard); 523int sc_init_emulator(scr_stat *scp, char *name); 524void sc_paste(scr_stat *scp, u_char *p, int count); 525void sc_bell(scr_stat *scp, int pitch, int duration); 526 527/* schistory.c */ 528#ifndef SC_NO_HISTORY 529int sc_alloc_history_buffer(scr_stat *scp, int lines, 530 int prev_ysize, int wait); 531void sc_free_history_buffer(scr_stat *scp, int prev_ysize); 532void sc_hist_save(scr_stat *scp); 533#define sc_hist_save_one_line(scp, from) \ 534 sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize) 535int sc_hist_restore(scr_stat *scp); 536void sc_hist_home(scr_stat *scp); 537void sc_hist_end(scr_stat *scp); 538int sc_hist_up_line(scr_stat *scp); 539int sc_hist_down_line(scr_stat *scp); 540int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data, 541 int flag, struct proc *p); 542#endif /* SC_NO_HISTORY */ 543 544/* scmouse.c */ 545#ifndef SC_NO_CUTPASTE 546void sc_alloc_cut_buffer(scr_stat *scp, int wait); 547void sc_draw_mouse_image(scr_stat *scp); 548void sc_remove_mouse_image(scr_stat *scp); 549int sc_inside_cutmark(scr_stat *scp, int pos); 550void sc_remove_cutmarking(scr_stat *scp); 551void sc_remove_all_cutmarkings(sc_softc_t *scp); 552void sc_remove_all_mouse(sc_softc_t *scp); 553void sc_mouse_paste(scr_stat *scp); 554#else 555#define sc_draw_mouse_image(scp) 556#define sc_remove_mouse_image(scp) 557#define sc_inside_cutmark(scp, pos) FALSE 558#define sc_remove_cutmarking(scp) 559#define sc_remove_all_cutmarkings(scp) 560#define sc_remove_all_mouse(scp) 561#define sc_mouse_paste(scp) 562#endif /* SC_NO_CUTPASTE */ 563#ifndef SC_NO_SYSMOUSE 564void sc_mouse_move(scr_stat *scp, int x, int y); 565int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, 566 int flag, struct proc *p); 567#endif /* SC_NO_SYSMOUSE */ 568 569/* scvidctl.c */ 570int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, 571 int xsize, int ysize, int fontsize); 572int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode); 573int sc_set_pixel_mode(scr_stat *scp, struct tty *tp, 574 int xsize, int ysize, int fontsize); 575int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, 576 struct proc *p); 577 578int sc_render_add(sc_renderer_t *rndr); 579int sc_render_remove(sc_renderer_t *rndr); 580sc_rndr_sw_t *sc_render_match(scr_stat *scp, char *name, int mode); 581 582/* scvtb.c */ 583void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, 584 void *buffer, int wait); 585void sc_vtb_destroy(sc_vtb_t *vtb); 586size_t sc_vtb_size(int cols, int rows); 587void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr); 588 589int sc_vtb_getc(sc_vtb_t *vtb, int at); 590int sc_vtb_geta(sc_vtb_t *vtb, int at); 591void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a); 592vm_offset_t sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a); 593vm_offset_t sc_vtb_pointer(sc_vtb_t *vtb, int at); 594int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset); 595 596#define sc_vtb_tail(vtb) ((vtb)->vtb_tail) 597#define sc_vtb_rows(vtb) ((vtb)->vtb_rows) 598#define sc_vtb_cols(vtb) ((vtb)->vtb_cols) 599 600void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to, 601 int count); 602void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, 603 int count); 604void sc_vtb_seek(sc_vtb_t *vtb, int pos); 605void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr); 606void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count); 607void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr); 608void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr); 609 610/* sysmouse.c */ 611int sysmouse_event(mouse_info_t *info); 612 613/* scterm.c */ 614void sc_move_cursor(scr_stat *scp, int x, int y); 615void sc_clear_screen(scr_stat *scp); 616int sc_term_add(sc_term_sw_t *sw); 617int sc_term_remove(sc_term_sw_t *sw); 618sc_term_sw_t *sc_term_match(char *name); 619sc_term_sw_t *sc_term_match_by_number(int index); 620 621/* machine dependent functions */ 622int sc_max_unit(void); 623sc_softc_t *sc_get_softc(int unit, int flags); 624sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd); 625int sc_get_cons_priority(int *unit, int *flags); 626void sc_get_bios_values(bios_values_t *values); 627int sc_tone(int herz); 628 629#endif /* !_DEV_SYSCONS_SYSCONS_H_ */ 630