syscons.h revision 60938
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 60938 2000-05-26 02:09:24Z jake $ 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#ifndef SC_CURSOR_CHAR 60#define SC_CURSOR_CHAR (0x07) 61#endif 62 63#ifndef SC_MOUSE_CHAR 64#define SC_MOUSE_CHAR (0xd0) 65#endif 66 67#if SC_MOUSE_CHAR <= SC_CURSOR_CHAR && SC_CURSOR_CHAR < (SC_MOUSE_CHAR + 4) 68#undef SC_CURSOR_CHAR 69#define SC_CURSOR_CHAR (SC_MOUSE_CHAR + 4) 70#endif 71 72#ifndef SC_DEBUG_LEVEL 73#define SC_DEBUG_LEVEL 0 74#endif 75 76#define DPRINTF(l, p) if (SC_DEBUG_LEVEL >= (l)) printf p 77 78#define SC_DRIVER_NAME "sc" 79#define SC_VTY(dev) minor(dev) 80#define SC_DEV(sc, vty) ((sc)->dev[(vty) - (sc)->first_vty]) 81#define SC_STAT(dev) ((scr_stat *)(dev)->si_drv1) 82 83/* printable chars */ 84#ifndef PRINTABLE 85#define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \ 86 || (ch) < 0x07) 87#endif 88 89/* macros for "intelligent" screen update */ 90#define mark_for_update(scp, x) {\ 91 if ((x) < scp->start) scp->start = (x);\ 92 else if ((x) > scp->end) scp->end = (x);\ 93 } 94#define mark_all(scp) {\ 95 scp->start = 0;\ 96 scp->end = scp->xsize * scp->ysize - 1;\ 97 } 98 99/* vty status flags (scp->status) */ 100#define UNKNOWN_MODE 0x00010 /* unknown video mode */ 101#define SWITCH_WAIT_REL 0x00080 /* waiting for vty release */ 102#define SWITCH_WAIT_ACQ 0x00100 /* waiting for vty ack */ 103#define BUFFER_SAVED 0x00200 /* vty buffer is saved */ 104#define CURSOR_ENABLED 0x00400 /* text cursor is enabled */ 105#define MOUSE_MOVED 0x01000 /* mouse cursor has moved */ 106#define MOUSE_CUTTING 0x02000 /* mouse cursor is cutting text */ 107#define MOUSE_VISIBLE 0x04000 /* mouse cursor is showing */ 108#define GRAPHICS_MODE 0x08000 /* vty is in a graphics mode */ 109#define PIXEL_MODE 0x10000 /* vty is in a raster text mode */ 110#define SAVER_RUNNING 0x20000 /* screen saver is running */ 111#define VR_CURSOR_BLINK 0x40000 /* blinking text cursor */ 112#define VR_CURSOR_ON 0x80000 /* text cursor is on */ 113#define MOUSE_HIDDEN 0x100000 /* mouse cursor is temporarily hidden */ 114 115/* misc defines */ 116#define FALSE 0 117#define TRUE 1 118#define COL 80 119#define ROW 25 120#define PCBURST 128 121 122#ifndef BELL_DURATION 123#define BELL_DURATION 5 124#define BELL_PITCH 800 125#endif 126 127/* virtual terminal buffer */ 128typedef struct sc_vtb { 129 int vtb_flags; 130#define VTB_VALID (1 << 0) 131 int vtb_type; 132#define VTB_INVALID 0 133#define VTB_MEMORY 1 134#define VTB_FRAMEBUFFER 2 135#define VTB_RINGBUFFER 3 136 int vtb_cols; 137 int vtb_rows; 138 int vtb_size; 139 vm_offset_t vtb_buffer; 140 int vtb_tail; /* valid for VTB_RINGBUFFER only */ 141} sc_vtb_t; 142 143/* softc */ 144 145struct keyboard; 146struct video_adapter; 147struct scr_stat; 148struct tty; 149 150typedef struct sc_softc { 151 int unit; /* unit # */ 152 int config; /* configuration flags */ 153#define SC_VESA800X600 (1 << 7) 154#define SC_AUTODETECT_KBD (1 << 8) 155#define SC_KERNEL_CONSOLE (1 << 9) 156 157 int flags; /* status flags */ 158#define SC_VISUAL_BELL (1 << 0) 159#define SC_QUIET_BELL (1 << 1) 160#define SC_BLINK_CURSOR (1 << 2) 161#define SC_CHAR_CURSOR (1 << 3) 162#define SC_MOUSE_ENABLED (1 << 4) 163#define SC_SCRN_IDLE (1 << 5) 164#define SC_SCRN_BLANKED (1 << 6) 165#define SC_SAVER_FAILED (1 << 7) 166 167#define SC_INIT_DONE (1 << 16) 168#define SC_SPLASH_SCRN (1 << 17) 169 170 int keyboard; /* -1 if unavailable */ 171 struct keyboard *kbd; 172 173 int adapter; 174 struct video_adapter *adp; 175 int initial_mode; /* initial video mode */ 176 177 int first_vty; 178 int vtys; 179 dev_t *dev; 180 struct scr_stat *cur_scp; 181 struct scr_stat *new_scp; 182 struct scr_stat *old_scp; 183 int delayed_next_scr; 184 185 char font_loading_in_progress; 186 char switch_in_progress; 187 char videoio_in_progress; 188 char write_in_progress; 189 char blink_in_progress; 190 191 long scrn_time_stamp; 192 193 char cursor_base; 194 char cursor_height; 195 196 u_char scr_map[256]; 197 u_char scr_rmap[256]; 198 199#ifdef _SC_MD_SOFTC_DECLARED_ 200 sc_md_softc_t md; /* machine dependent vars */ 201#endif 202 203#ifndef SC_NO_PALETTE_LOADING 204 u_char palette[256*3]; 205#endif 206 207#ifndef SC_NO_FONT_LOADING 208 int fonts_loaded; 209#define FONT_8 2 210#define FONT_14 4 211#define FONT_16 8 212 u_char *font_8; 213 u_char *font_14; 214 u_char *font_16; 215#endif 216 217 u_char cursor_char; 218 u_char mouse_char; 219 220} sc_softc_t; 221 222/* virtual screen */ 223typedef struct scr_stat { 224 int index; /* index of this vty */ 225 struct sc_softc *sc; /* pointer to softc */ 226 struct sc_rndr_sw *rndr; /* renderer */ 227 sc_vtb_t scr; 228 sc_vtb_t vtb; 229 230 int xpos; /* current X position */ 231 int ypos; /* current Y position */ 232 int xsize; /* X text size */ 233 int ysize; /* Y text size */ 234 int xpixel; /* X graphics size */ 235 int ypixel; /* Y graphics size */ 236 int xoff; /* X offset in pixel mode */ 237 int yoff; /* Y offset in pixel mode */ 238 239 u_char *font; /* current font */ 240 int font_size; /* fontsize in Y direction */ 241 242 int start; /* modified area start */ 243 int end; /* modified area end */ 244 245 struct sc_term_sw *tsw; 246 void *ts; 247 248 int status; /* status (bitfield) */ 249 int kbd_mode; /* keyboard I/O mode */ 250 251 int cursor_pos; /* cursor buffer position */ 252 int cursor_oldpos; /* cursor old buffer position */ 253 u_short cursor_saveunder_char; /* saved char under cursor */ 254 u_short cursor_saveunder_attr; /* saved attr under cursor */ 255 char cursor_base; /* cursor base line # */ 256 char cursor_height; /* cursor height */ 257 258 int mouse_pos; /* mouse buffer position */ 259 int mouse_oldpos; /* mouse old buffer position */ 260 short mouse_xpos; /* mouse x coordinate */ 261 short mouse_ypos; /* mouse y coordinate */ 262 short mouse_oldxpos; /* mouse previous x coordinate */ 263 short mouse_oldypos; /* mouse previous y coordinate */ 264 short mouse_buttons; /* mouse buttons */ 265 int mouse_cut_start; /* mouse cut start pos */ 266 int mouse_cut_end; /* mouse cut end pos */ 267 struct proc *mouse_proc; /* proc* of controlling proc */ 268 pid_t mouse_pid; /* pid of controlling proc */ 269 int mouse_signal; /* signal # to report with */ 270 271 u_short bell_duration; 272 u_short bell_pitch; 273 274 u_char border; /* border color */ 275 int mode; /* mode */ 276 pid_t pid; /* pid of controlling proc */ 277 struct proc *proc; /* proc* of controlling proc */ 278 struct vt_mode smode; /* switch mode */ 279 280 sc_vtb_t *history; /* circular history buffer */ 281 int history_pos; /* position shown on screen */ 282 int history_size; /* size of history buffer */ 283 284 int splash_save_mode; /* saved mode for splash screen */ 285 int splash_save_status; /* saved status for splash screen */ 286#ifdef _SCR_MD_STAT_DECLARED_ 287 scr_md_stat_t md; /* machine dependent vars */ 288#endif 289} scr_stat; 290 291#ifndef SC_NORM_ATTR 292#define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK) 293#endif 294#ifndef SC_NORM_REV_ATTR 295#define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 296#endif 297#ifndef SC_KERNEL_CONS_ATTR 298#define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK) 299#endif 300#ifndef SC_KERNEL_CONS_REV_ATTR 301#define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY) 302#endif 303 304/* terminal emulator */ 305 306#ifndef SC_DFLT_TERM 307#define SC_DFLT_TERM "*" /* any */ 308#endif 309 310typedef int sc_term_init_t(scr_stat *scp, void **tcp, int code); 311#define SC_TE_COLD_INIT 0 312#define SC_TE_WARM_INIT 1 313typedef int sc_term_term_t(scr_stat *scp, void **tcp); 314typedef void sc_term_puts_t(scr_stat *scp, u_char *buf, int len); 315typedef int sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd, 316 caddr_t data, int flag, struct proc *p); 317typedef int sc_term_reset_t(scr_stat *scp, int code); 318#define SC_TE_HARD_RESET 0 319#define SC_TE_SOFT_RESET 1 320typedef void sc_term_default_attr_t(scr_stat *scp, int norm, int rev); 321typedef void sc_term_clear_t(scr_stat *scp); 322typedef void sc_term_notify_t(scr_stat *scp, int event); 323#define SC_TE_NOTIFY_VTSWITCH_IN 0 324#define SC_TE_NOTIFY_VTSWITCH_OUT 1 325typedef int sc_term_input_t(scr_stat *scp, int c, struct tty *tp); 326 327typedef struct sc_term_sw { 328 LIST_ENTRY(sc_term_sw) link; 329 char *te_name; /* name of the emulator */ 330 char *te_desc; /* description */ 331 char *te_renderer; /* matching renderer */ 332 size_t te_size; /* size of internal buffer */ 333 int te_refcount; /* reference counter */ 334 sc_term_init_t *te_init; 335 sc_term_term_t *te_term; 336 sc_term_puts_t *te_puts; 337 sc_term_ioctl_t *te_ioctl; 338 sc_term_reset_t *te_reset; 339 sc_term_default_attr_t *te_default_attr; 340 sc_term_clear_t *te_clear; 341 sc_term_notify_t *te_notify; 342 sc_term_input_t *te_input; 343} sc_term_sw_t; 344 345extern struct linker_set scterm_set; 346 347#define SCTERM_MODULE(name, sw) \ 348 DATA_SET(scterm_set, sw); \ 349 static int \ 350 scterm_##name##_event(module_t mod, int type, void *data) \ 351 { \ 352 switch (type) { \ 353 case MOD_LOAD: \ 354 return sc_term_add(&sw); \ 355 case MOD_UNLOAD: \ 356 if (sw.te_refcount > 0) \ 357 return EBUSY; \ 358 return sc_term_remove(&sw); \ 359 default: \ 360 break; \ 361 } \ 362 return 0; \ 363 } \ 364 static moduledata_t scterm_##name##_mod = { \ 365 "scterm-" #name, \ 366 scterm_##name##_event, \ 367 NULL, \ 368 }; \ 369 DECLARE_MODULE(scterm_##name, scterm_##name##_mod, \ 370 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 371 372/* renderer function table */ 373typedef void vr_clear_t(scr_stat *scp, int c, int attr); 374typedef void vr_draw_border_t(scr_stat *scp, int color); 375typedef void vr_draw_t(scr_stat *scp, int from, int count, int flip); 376typedef void vr_set_cursor_t(scr_stat *scp, int base, int height, int blink); 377typedef void vr_draw_cursor_t(scr_stat *scp, int at, int blink, 378 int on, int flip); 379typedef void vr_blink_cursor_t(scr_stat *scp, int at, int flip); 380typedef void vr_set_mouse_t(scr_stat *scp); 381typedef void vr_draw_mouse_t(scr_stat *scp, int x, int y, int on); 382 383typedef struct sc_rndr_sw { 384 vr_clear_t *clear; 385 vr_draw_border_t *draw_border; 386 vr_draw_t *draw; 387 vr_set_cursor_t *set_cursor; 388 vr_draw_cursor_t *draw_cursor; 389 vr_blink_cursor_t *blink_cursor; 390 vr_set_mouse_t *set_mouse; 391 vr_draw_mouse_t *draw_mouse; 392} sc_rndr_sw_t; 393 394typedef struct sc_renderer { 395 char *name; 396 int mode; 397 sc_rndr_sw_t *rndrsw; 398 LIST_ENTRY(sc_renderer) link; 399} sc_renderer_t; 400 401extern struct linker_set scrndr_set; 402 403#define RENDERER(name, mode, sw, set) \ 404 static struct sc_renderer scrndr_##name##_##mode## = { \ 405 #name, mode, &sw \ 406 }; \ 407 DATA_SET(scrndr_set, scrndr_##name##_##mode##); \ 408 DATA_SET(set, scrndr_##name##_##mode##) 409 410#define RENDERER_MODULE(name, set) \ 411 static int \ 412 scrndr_##name##_event(module_t mod, int type, void *data) \ 413 { \ 414 sc_renderer_t **list; \ 415 sc_renderer_t *p; \ 416 int error = 0; \ 417 switch (type) { \ 418 case MOD_LOAD: \ 419 list = (sc_renderer_t **)set.ls_items; \ 420 while ((p = *list++) != NULL) { \ 421 error = sc_render_add(p); \ 422 if (error) \ 423 break; \ 424 } \ 425 break; \ 426 case MOD_UNLOAD: \ 427 list = (sc_renderer_t **)set.ls_items; \ 428 while ((p = *list++) != NULL) { \ 429 error = sc_render_remove(p); \ 430 if (error) \ 431 break; \ 432 } \ 433 break; \ 434 default: \ 435 break; \ 436 } \ 437 return error; \ 438 } \ 439 static moduledata_t scrndr_##name##_mod = { \ 440 "scrndr-" #name, \ 441 scrndr_##name##_event, \ 442 NULL, \ 443 }; \ 444 DECLARE_MODULE(scrndr_##name##, scrndr_##name##_mod, \ 445 SI_SUB_DRIVERS, SI_ORDER_MIDDLE) 446 447typedef struct { 448 int cursor_start; 449 int cursor_end; 450 int shift_state; 451 int bell_pitch; 452} bios_values_t; 453 454/* other macros */ 455#define ISTEXTSC(scp) (!((scp)->status \ 456 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))) 457#define ISGRAPHSC(scp) (((scp)->status \ 458 & (UNKNOWN_MODE | GRAPHICS_MODE))) 459#define ISPIXELSC(scp) (((scp)->status \ 460 & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\ 461 == PIXEL_MODE) 462#define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE) 463 464#ifndef ISMOUSEAVAIL 465#ifdef SC_ALT_MOUSE_IMAGE 466#define ISMOUSEAVAIL(af) (1) 467#else 468#define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT) 469#endif /* SC_ALT_MOUSE_IMAGE */ 470#define ISFONTAVAIL(af) ((af) & V_ADP_FONT) 471#define ISPALAVAIL(af) ((af) & V_ADP_PALETTE) 472#endif /* ISMOUSEAVAIL */ 473 474#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) 475 476#define kbd_read_char(kbd, wait) \ 477 (*kbdsw[(kbd)->kb_index]->read_char)((kbd), (wait)) 478#define kbd_check_char(kbd) \ 479 (*kbdsw[(kbd)->kb_index]->check_char)((kbd)) 480#define kbd_enable(kbd) \ 481 (*kbdsw[(kbd)->kb_index]->enable)((kbd)) 482#define kbd_disable(kbd) \ 483 (*kbdsw[(kbd)->kb_index]->disable)((kbd)) 484#define kbd_lock(kbd, lockf) \ 485 (*kbdsw[(kbd)->kb_index]->lock)((kbd), (lockf)) 486#define kbd_ioctl(kbd, cmd, arg) \ 487 (((kbd) == NULL) ? \ 488 ENODEV : (*kbdsw[(kbd)->kb_index]->ioctl)((kbd), (cmd), (arg))) 489#define kbd_clear_state(kbd) \ 490 (*kbdsw[(kbd)->kb_index]->clear_state)((kbd)) 491#define kbd_get_fkeystr(kbd, fkey, len) \ 492 (*kbdsw[(kbd)->kb_index]->get_fkeystr)((kbd), (fkey), (len)) 493#define kbd_poll(kbd, on) \ 494 (*kbdsw[(kbd)->kb_index]->poll)((kbd), (on)) 495 496/* syscons.c */ 497extern int (*sc_user_ioctl)(dev_t dev, u_long cmd, caddr_t data, 498 int flag, struct proc *p); 499 500int sc_probe_unit(int unit, int flags); 501int sc_attach_unit(int unit, int flags); 502int sc_resume_unit(int unit); 503 504int set_mode(scr_stat *scp); 505 506void sc_set_border(scr_stat *scp, int color); 507void sc_load_font(scr_stat *scp, int page, int size, u_char *font, 508 int base, int count); 509void sc_save_font(scr_stat *scp, int page, int size, u_char *font, 510 int base, int count); 511void sc_show_font(scr_stat *scp, int page); 512 513void sc_touch_scrn_saver(void); 514void sc_puts(scr_stat *scp, u_char *buf, int len); 515void sc_draw_cursor_image(scr_stat *scp); 516void sc_remove_cursor_image(scr_stat *scp); 517void sc_set_cursor_image(scr_stat *scp); 518int sc_clean_up(scr_stat *scp); 519int sc_switch_scr(sc_softc_t *sc, u_int next_scr); 520void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard); 521int sc_init_emulator(scr_stat *scp, char *name); 522void sc_paste(scr_stat *scp, u_char *p, int count); 523void sc_bell(scr_stat *scp, int pitch, int duration); 524 525/* schistory.c */ 526#ifndef SC_NO_HISTORY 527int sc_alloc_history_buffer(scr_stat *scp, int lines, 528 int prev_ysize, int wait); 529void sc_free_history_buffer(scr_stat *scp, int prev_ysize); 530void sc_hist_save(scr_stat *scp); 531#define sc_hist_save_one_line(scp, from) \ 532 sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize) 533int sc_hist_restore(scr_stat *scp); 534void sc_hist_home(scr_stat *scp); 535void sc_hist_end(scr_stat *scp); 536int sc_hist_up_line(scr_stat *scp); 537int sc_hist_down_line(scr_stat *scp); 538int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data, 539 int flag, struct proc *p); 540#endif /* SC_NO_HISTORY */ 541 542/* scmouse.c */ 543#ifndef SC_NO_CUTPASTE 544void sc_alloc_cut_buffer(scr_stat *scp, int wait); 545void sc_draw_mouse_image(scr_stat *scp); 546void sc_remove_mouse_image(scr_stat *scp); 547int sc_inside_cutmark(scr_stat *scp, int pos); 548void sc_remove_cutmarking(scr_stat *scp); 549void sc_remove_all_cutmarkings(sc_softc_t *scp); 550void sc_remove_all_mouse(sc_softc_t *scp); 551#else 552#define sc_draw_mouse_image(scp) 553#define sc_remove_mouse_image(scp) 554#define sc_inside_cutmark(scp, pos) FALSE 555#define sc_remove_cutmarking(scp) 556#define sc_remove_all_cutmarkings(scp) 557#define sc_remove_all_mouse(scp) 558#endif /* SC_NO_CUTPASTE */ 559#ifndef SC_NO_SYSMOUSE 560void sc_mouse_move(scr_stat *scp, int x, int y); 561int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, 562 int flag, struct proc *p); 563#endif /* SC_NO_SYSMOUSE */ 564 565/* scvidctl.c */ 566int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, 567 int xsize, int ysize, int fontsize); 568int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode); 569int sc_set_pixel_mode(scr_stat *scp, struct tty *tp, 570 int xsize, int ysize, int fontsize); 571int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, 572 struct proc *p); 573 574int sc_render_add(sc_renderer_t *rndr); 575int sc_render_remove(sc_renderer_t *rndr); 576sc_rndr_sw_t *sc_render_match(scr_stat *scp, char *name, int mode); 577 578/* scvtb.c */ 579void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, 580 void *buffer, int wait); 581void sc_vtb_destroy(sc_vtb_t *vtb); 582size_t sc_vtb_size(int cols, int rows); 583void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr); 584 585int sc_vtb_getc(sc_vtb_t *vtb, int at); 586int sc_vtb_geta(sc_vtb_t *vtb, int at); 587void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a); 588vm_offset_t sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a); 589vm_offset_t sc_vtb_pointer(sc_vtb_t *vtb, int at); 590int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset); 591 592#define sc_vtb_tail(vtb) ((vtb)->vtb_tail) 593#define sc_vtb_rows(vtb) ((vtb)->vtb_rows) 594#define sc_vtb_cols(vtb) ((vtb)->vtb_cols) 595 596void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to, 597 int count); 598void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, 599 int count); 600void sc_vtb_seek(sc_vtb_t *vtb, int pos); 601void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr); 602void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count); 603void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr); 604void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr); 605 606/* sysmouse.c */ 607int sysmouse_event(mouse_info_t *info); 608 609/* scterm.c */ 610void sc_move_cursor(scr_stat *scp, int x, int y); 611void sc_clear_screen(scr_stat *scp); 612int sc_term_add(sc_term_sw_t *sw); 613int sc_term_remove(sc_term_sw_t *sw); 614sc_term_sw_t *sc_term_match(char *name); 615sc_term_sw_t *sc_term_match_by_number(int index); 616 617/* machine dependent functions */ 618int sc_max_unit(void); 619sc_softc_t *sc_get_softc(int unit, int flags); 620sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd); 621int sc_get_cons_priority(int *unit, int *flags); 622void sc_get_bios_values(bios_values_t *values); 623int sc_tone(int herz); 624 625#endif /* !_DEV_SYSCONS_SYSCONS_H_ */ 626