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Diffstat (limited to 'sys/dev/syscons/syscons.h')
-rw-r--r-- | sys/dev/syscons/syscons.h | 649 |
1 files changed, 649 insertions, 0 deletions
diff --git a/sys/dev/syscons/syscons.h b/sys/dev/syscons/syscons.h new file mode 100644 index 0000000..d08df8b --- /dev/null +++ b/sys/dev/syscons/syscons.h @@ -0,0 +1,649 @@ +/*- + * Copyright (c) 1995-1998 Søren Schmidt + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer, + * without modification, immediately at the beginning of the file. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. The name of the author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES + * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. + * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, + * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT + * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF + * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + * $FreeBSD$ + */ + +#ifndef _DEV_SYSCONS_SYSCONS_H_ +#define _DEV_SYSCONS_SYSCONS_H_ + +/* machine-dependent part of the header */ + +#ifdef PC98 +#include <pc98/pc98/sc_machdep.h> +#elif defined(__i386__) +/* nothing for the moment */ +#elif defined(__alpha__) +/* nothing for the moment */ +#endif + +/* default values for configuration options */ + +#ifndef MAXCONS +#define MAXCONS 16 +#endif + +#ifdef SC_NO_SYSMOUSE +#undef SC_NO_CUTPASTE +#define SC_NO_CUTPASTE 1 +#endif + +#ifdef SC_NO_MODE_CHANGE +#undef SC_PIXEL_MODE +#endif + +/* Always load font data if the pixel (raster text) mode is to be used. */ +#ifdef SC_PIXEL_MODE +#undef SC_NO_FONT_LOADING +#endif + +/* + * If font data is not available, the `arrow'-shaped mouse cursor cannot + * be drawn. Use the alternative drawing method. + */ +#ifdef SC_NO_FONT_LOADING +#undef SC_ALT_MOUSE_IMAGE +#define SC_ALT_MOUSE_IMAGE 1 +#endif + +#ifndef SC_CURSOR_CHAR +#define SC_CURSOR_CHAR (0x07) +#endif + +#ifndef SC_MOUSE_CHAR +#define SC_MOUSE_CHAR (0xd0) +#endif + +#if SC_MOUSE_CHAR <= SC_CURSOR_CHAR && SC_CURSOR_CHAR < (SC_MOUSE_CHAR + 4) +#undef SC_CURSOR_CHAR +#define SC_CURSOR_CHAR (SC_MOUSE_CHAR + 4) +#endif + +#ifndef SC_DEBUG_LEVEL +#define SC_DEBUG_LEVEL 0 +#endif + +#define DPRINTF(l, p) if (SC_DEBUG_LEVEL >= (l)) printf p + +#define SC_DRIVER_NAME "sc" +#define SC_VTY(dev) minor(dev) +#define SC_DEV(sc, vty) ((sc)->dev[(vty) - (sc)->first_vty]) +#define SC_STAT(dev) ((scr_stat *)(dev)->si_drv1) + +/* printable chars */ +#ifndef PRINTABLE +#define PRINTABLE(ch) ((ch) > 0x1b || ((ch) > 0x0d && (ch) < 0x1b) \ + || (ch) < 0x07) +#endif + +/* macros for "intelligent" screen update */ +#define mark_for_update(scp, x) {\ + if ((x) < scp->start) scp->start = (x);\ + else if ((x) > scp->end) scp->end = (x);\ + } +#define mark_all(scp) {\ + scp->start = 0;\ + scp->end = scp->xsize * scp->ysize - 1;\ + } + +/* vty status flags (scp->status) */ +#define UNKNOWN_MODE 0x00010 /* unknown video mode */ +#define SWITCH_WAIT_REL 0x00080 /* waiting for vty release */ +#define SWITCH_WAIT_ACQ 0x00100 /* waiting for vty ack */ +#define BUFFER_SAVED 0x00200 /* vty buffer is saved */ +#define CURSOR_ENABLED 0x00400 /* text cursor is enabled */ +#define MOUSE_MOVED 0x01000 /* mouse cursor has moved */ +#define MOUSE_CUTTING 0x02000 /* mouse cursor is cutting text */ +#define MOUSE_VISIBLE 0x04000 /* mouse cursor is showing */ +#define GRAPHICS_MODE 0x08000 /* vty is in a graphics mode */ +#define PIXEL_MODE 0x10000 /* vty is in a raster text mode */ +#define SAVER_RUNNING 0x20000 /* screen saver is running */ +#define VR_CURSOR_BLINK 0x40000 /* blinking text cursor */ +#define VR_CURSOR_ON 0x80000 /* text cursor is on */ +#define MOUSE_HIDDEN 0x100000 /* mouse cursor is temporarily hidden */ + +/* misc defines */ +#define FALSE 0 +#define TRUE 1 + +/* + The following #defines are hard-coded for a maximum text + resolution corresponding to a maximum framebuffer + resolution of 1600x1200 with an 8x8 font... +*/ +#define COL 200 +#define ROW 150 + +#define PCBURST 128 + +#ifndef BELL_DURATION +#define BELL_DURATION ((5 * hz + 99) / 100) +#define BELL_PITCH 800 +#endif + +/* virtual terminal buffer */ +typedef struct sc_vtb { + int vtb_flags; +#define VTB_VALID (1 << 0) +#define VTB_ALLOCED (1 << 1) + int vtb_type; +#define VTB_INVALID 0 +#define VTB_MEMORY 1 +#define VTB_FRAMEBUFFER 2 +#define VTB_RINGBUFFER 3 + int vtb_cols; + int vtb_rows; + int vtb_size; + vm_offset_t vtb_buffer; + int vtb_tail; /* valid for VTB_RINGBUFFER only */ +} sc_vtb_t; + +/* text cursor attributes */ +struct cursor_attr { + int flags; + int base; + int height; +}; + +/* softc */ + +struct keyboard; +struct video_adapter; +struct scr_stat; +struct tty; + +typedef struct sc_softc { + int unit; /* unit # */ + int config; /* configuration flags */ +#define SC_VESA800X600 (1 << 7) +#define SC_AUTODETECT_KBD (1 << 8) +#define SC_KERNEL_CONSOLE (1 << 9) + + int flags; /* status flags */ +#define SC_VISUAL_BELL (1 << 0) +#define SC_QUIET_BELL (1 << 1) +#if 0 /* not used anymore */ +#define SC_BLINK_CURSOR (1 << 2) +#define SC_CHAR_CURSOR (1 << 3) +#endif +#define SC_MOUSE_ENABLED (1 << 4) +#define SC_SCRN_IDLE (1 << 5) +#define SC_SCRN_BLANKED (1 << 6) +#define SC_SAVER_FAILED (1 << 7) +#define SC_SCRN_VTYLOCK (1 << 8) + +#define SC_INIT_DONE (1 << 16) +#define SC_SPLASH_SCRN (1 << 17) + + int keyboard; /* -1 if unavailable */ + struct keyboard *kbd; + + int adapter; + struct video_adapter *adp; + int initial_mode; /* initial video mode */ + + int first_vty; + int vtys; + dev_t *dev; + struct scr_stat *cur_scp; + struct scr_stat *new_scp; + struct scr_stat *old_scp; + int delayed_next_scr; + + char font_loading_in_progress; + char switch_in_progress; + char videoio_in_progress; + char write_in_progress; + char blink_in_progress; + + long scrn_time_stamp; + + struct cursor_attr dflt_curs_attr; + struct cursor_attr curs_attr; + + u_char scr_map[256]; + u_char scr_rmap[256]; + +#ifdef _SC_MD_SOFTC_DECLARED_ + sc_md_softc_t md; /* machine dependent vars */ +#endif + +#ifndef SC_NO_PALETTE_LOADING + u_char palette[256*3]; +#endif + +#ifndef SC_NO_FONT_LOADING + int fonts_loaded; +#define FONT_8 2 +#define FONT_14 4 +#define FONT_16 8 + u_char *font_8; + u_char *font_14; + u_char *font_16; +#endif + + u_char cursor_char; + u_char mouse_char; + +} sc_softc_t; + +/* virtual screen */ +typedef struct scr_stat { + int index; /* index of this vty */ + struct sc_softc *sc; /* pointer to softc */ + struct sc_rndr_sw *rndr; /* renderer */ + sc_vtb_t scr; + sc_vtb_t vtb; + + int xpos; /* current X position */ + int ypos; /* current Y position */ + int xsize; /* X text size */ + int ysize; /* Y text size */ + int xpixel; /* X graphics size */ + int ypixel; /* Y graphics size */ + int xoff; /* X offset in pixel mode */ + int yoff; /* Y offset in pixel mode */ + + u_char *font; /* current font */ + int font_size; /* fontsize in Y direction */ + + int start; /* modified area start */ + int end; /* modified area end */ + + struct sc_term_sw *tsw; + void *ts; + + int status; /* status (bitfield) */ + int kbd_mode; /* keyboard I/O mode */ + + int cursor_pos; /* cursor buffer position */ + int cursor_oldpos; /* cursor old buffer position */ + u_short cursor_saveunder_char; /* saved char under cursor */ + u_short cursor_saveunder_attr; /* saved attr under cursor */ + struct cursor_attr dflt_curs_attr; + struct cursor_attr curr_curs_attr; + struct cursor_attr curs_attr; + + int mouse_pos; /* mouse buffer position */ + int mouse_oldpos; /* mouse old buffer position */ + short mouse_xpos; /* mouse x coordinate */ + short mouse_ypos; /* mouse y coordinate */ + short mouse_oldxpos; /* mouse previous x coordinate */ + short mouse_oldypos; /* mouse previous y coordinate */ + short mouse_buttons; /* mouse buttons */ + int mouse_cut_start; /* mouse cut start pos */ + int mouse_cut_end; /* mouse cut end pos */ + struct proc *mouse_proc; /* proc* of controlling proc */ + pid_t mouse_pid; /* pid of controlling proc */ + int mouse_signal; /* signal # to report with */ + + u_short bell_duration; + u_short bell_pitch; + + u_char border; /* border color */ + int mode; /* mode */ + pid_t pid; /* pid of controlling proc */ + struct proc *proc; /* proc* of controlling proc */ + struct vt_mode smode; /* switch mode */ + + sc_vtb_t *history; /* circular history buffer */ + int history_pos; /* position shown on screen */ + int history_size; /* size of history buffer */ + + int splash_save_mode; /* saved mode for splash screen */ + int splash_save_status; /* saved status for splash screen */ +#ifdef _SCR_MD_STAT_DECLARED_ + scr_md_stat_t md; /* machine dependent vars */ +#endif +} scr_stat; + +#ifndef SC_NORM_ATTR +#define SC_NORM_ATTR (FG_LIGHTGREY | BG_BLACK) +#endif +#ifndef SC_NORM_REV_ATTR +#define SC_NORM_REV_ATTR (FG_BLACK | BG_LIGHTGREY) +#endif +#ifndef SC_KERNEL_CONS_ATTR +#define SC_KERNEL_CONS_ATTR (FG_WHITE | BG_BLACK) +#endif +#ifndef SC_KERNEL_CONS_REV_ATTR +#define SC_KERNEL_CONS_REV_ATTR (FG_BLACK | BG_LIGHTGREY) +#endif + +/* terminal emulator */ + +#ifndef SC_DFLT_TERM +#define SC_DFLT_TERM "*" /* any */ +#endif + +typedef int sc_term_init_t(scr_stat *scp, void **tcp, int code); +#define SC_TE_COLD_INIT 0 +#define SC_TE_WARM_INIT 1 +typedef int sc_term_term_t(scr_stat *scp, void **tcp); +typedef void sc_term_puts_t(scr_stat *scp, u_char *buf, int len); +typedef int sc_term_ioctl_t(scr_stat *scp, struct tty *tp, u_long cmd, + caddr_t data, int flag, struct thread *td); +typedef int sc_term_reset_t(scr_stat *scp, int code); +#define SC_TE_HARD_RESET 0 +#define SC_TE_SOFT_RESET 1 +typedef void sc_term_default_attr_t(scr_stat *scp, int norm, int rev); +typedef void sc_term_clear_t(scr_stat *scp); +typedef void sc_term_notify_t(scr_stat *scp, int event); +#define SC_TE_NOTIFY_VTSWITCH_IN 0 +#define SC_TE_NOTIFY_VTSWITCH_OUT 1 +typedef int sc_term_input_t(scr_stat *scp, int c, struct tty *tp); + +typedef struct sc_term_sw { + LIST_ENTRY(sc_term_sw) link; + char *te_name; /* name of the emulator */ + char *te_desc; /* description */ + char *te_renderer; /* matching renderer */ + size_t te_size; /* size of internal buffer */ + int te_refcount; /* reference counter */ + sc_term_init_t *te_init; + sc_term_term_t *te_term; + sc_term_puts_t *te_puts; + sc_term_ioctl_t *te_ioctl; + sc_term_reset_t *te_reset; + sc_term_default_attr_t *te_default_attr; + sc_term_clear_t *te_clear; + sc_term_notify_t *te_notify; + sc_term_input_t *te_input; +} sc_term_sw_t; + +#define SCTERM_MODULE(name, sw) \ + DATA_SET(scterm_set, sw); \ + static int \ + scterm_##name##_event(module_t mod, int type, void *data) \ + { \ + switch (type) { \ + case MOD_LOAD: \ + return sc_term_add(&sw); \ + case MOD_UNLOAD: \ + if (sw.te_refcount > 0) \ + return EBUSY; \ + return sc_term_remove(&sw); \ + default: \ + break; \ + } \ + return 0; \ + } \ + static moduledata_t scterm_##name##_mod = { \ + "scterm-" #name, \ + scterm_##name##_event, \ + NULL, \ + }; \ + DECLARE_MODULE(scterm_##name, scterm_##name##_mod, \ + SI_SUB_DRIVERS, SI_ORDER_MIDDLE) + +/* renderer function table */ +typedef void vr_clear_t(scr_stat *scp, int c, int attr); +typedef void vr_draw_border_t(scr_stat *scp, int color); +typedef void vr_draw_t(scr_stat *scp, int from, int count, int flip); +typedef void vr_set_cursor_t(scr_stat *scp, int base, int height, int blink); +typedef void vr_draw_cursor_t(scr_stat *scp, int at, int blink, + int on, int flip); +typedef void vr_blink_cursor_t(scr_stat *scp, int at, int flip); +typedef void vr_set_mouse_t(scr_stat *scp); +typedef void vr_draw_mouse_t(scr_stat *scp, int x, int y, int on); + +typedef struct sc_rndr_sw { + vr_clear_t *clear; + vr_draw_border_t *draw_border; + vr_draw_t *draw; + vr_set_cursor_t *set_cursor; + vr_draw_cursor_t *draw_cursor; + vr_blink_cursor_t *blink_cursor; + vr_set_mouse_t *set_mouse; + vr_draw_mouse_t *draw_mouse; +} sc_rndr_sw_t; + +typedef struct sc_renderer { + char *name; + int mode; + sc_rndr_sw_t *rndrsw; + LIST_ENTRY(sc_renderer) link; +} sc_renderer_t; + +#define RENDERER(name, mode, sw, set) \ + static struct sc_renderer scrndr_##name##_##mode = { \ + #name, mode, &sw \ + }; \ + DATA_SET(scrndr_set, scrndr_##name##_##mode); \ + DATA_SET(set, scrndr_##name##_##mode) + +#define RENDERER_MODULE(name, set) \ + SET_DECLARE(set, sc_renderer_t); \ + static int \ + scrndr_##name##_event(module_t mod, int type, void *data) \ + { \ + sc_renderer_t **list; \ + int error = 0; \ + switch (type) { \ + case MOD_LOAD: \ + SET_FOREACH(list, set) { \ + error = sc_render_add(*list); \ + if (error) \ + break; \ + } \ + break; \ + case MOD_UNLOAD: \ + SET_FOREACH(list, set) { \ + error = sc_render_remove(*list);\ + if (error) \ + break; \ + } \ + break; \ + default: \ + break; \ + } \ + return error; \ + } \ + static moduledata_t scrndr_##name##_mod = { \ + "scrndr-" #name, \ + scrndr_##name##_event, \ + NULL, \ + }; \ + DECLARE_MODULE(scrndr_##name, scrndr_##name##_mod, \ + SI_SUB_DRIVERS, SI_ORDER_MIDDLE) + +typedef struct { + int cursor_start; + int cursor_end; + int shift_state; + int bell_pitch; +} bios_values_t; + +/* other macros */ +#define ISTEXTSC(scp) (!((scp)->status \ + & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))) +#define ISGRAPHSC(scp) (((scp)->status \ + & (UNKNOWN_MODE | GRAPHICS_MODE))) +#define ISPIXELSC(scp) (((scp)->status \ + & (UNKNOWN_MODE | GRAPHICS_MODE | PIXEL_MODE))\ + == PIXEL_MODE) +#define ISUNKNOWNSC(scp) ((scp)->status & UNKNOWN_MODE) + +#define ISMOUSEAVAIL(af) ((af) & V_ADP_FONT) +#define ISFONTAVAIL(af) ((af) & V_ADP_FONT) +#define ISPALAVAIL(af) ((af) & V_ADP_PALETTE) + +#define ISSIGVALID(sig) ((sig) > 0 && (sig) < NSIG) + +#define kbd_read_char(kbd, wait) \ + (*kbdsw[(kbd)->kb_index]->read_char)((kbd), (wait)) +#define kbd_check_char(kbd) \ + (*kbdsw[(kbd)->kb_index]->check_char)((kbd)) +#define kbd_enable(kbd) \ + (*kbdsw[(kbd)->kb_index]->enable)((kbd)) +#define kbd_disable(kbd) \ + (*kbdsw[(kbd)->kb_index]->disable)((kbd)) +#define kbd_lock(kbd, lockf) \ + (*kbdsw[(kbd)->kb_index]->lock)((kbd), (lockf)) +#define kbd_ioctl(kbd, cmd, arg) \ + (((kbd) == NULL) ? \ + ENODEV : (*kbdsw[(kbd)->kb_index]->ioctl)((kbd), (cmd), (arg))) +#define kbd_clear_state(kbd) \ + (*kbdsw[(kbd)->kb_index]->clear_state)((kbd)) +#define kbd_get_fkeystr(kbd, fkey, len) \ + (*kbdsw[(kbd)->kb_index]->get_fkeystr)((kbd), (fkey), (len)) +#define kbd_poll(kbd, on) \ + (*kbdsw[(kbd)->kb_index]->poll)((kbd), (on)) + +/* syscons.c */ +extern int (*sc_user_ioctl)(dev_t dev, u_long cmd, caddr_t data, + int flag, struct thread *td); + +int sc_probe_unit(int unit, int flags); +int sc_attach_unit(int unit, int flags); + +int set_mode(scr_stat *scp); + +void sc_set_border(scr_stat *scp, int color); +void sc_load_font(scr_stat *scp, int page, int size, u_char *font, + int base, int count); +void sc_save_font(scr_stat *scp, int page, int size, u_char *font, + int base, int count); +void sc_show_font(scr_stat *scp, int page); + +void sc_touch_scrn_saver(void); +void sc_puts(scr_stat *scp, u_char *buf, int len); +void sc_draw_cursor_image(scr_stat *scp); +void sc_remove_cursor_image(scr_stat *scp); +void sc_set_cursor_image(scr_stat *scp); +void sc_change_cursor_shape(scr_stat *scp, int flags, + int base, int height); +int sc_clean_up(scr_stat *scp); +int sc_switch_scr(sc_softc_t *sc, u_int next_scr); +void sc_alloc_scr_buffer(scr_stat *scp, int wait, int discard); +int sc_init_emulator(scr_stat *scp, char *name); +void sc_paste(scr_stat *scp, u_char *p, int count); +void sc_bell(scr_stat *scp, int pitch, int duration); + +/* schistory.c */ +#ifndef SC_NO_HISTORY +int sc_alloc_history_buffer(scr_stat *scp, int lines, + int prev_ysize, int wait); +void sc_free_history_buffer(scr_stat *scp, int prev_ysize); +void sc_hist_save(scr_stat *scp); +#define sc_hist_save_one_line(scp, from) \ + sc_vtb_append(&(scp)->vtb, (from), (scp)->history, (scp)->xsize) +int sc_hist_restore(scr_stat *scp); +void sc_hist_home(scr_stat *scp); +void sc_hist_end(scr_stat *scp); +int sc_hist_up_line(scr_stat *scp); +int sc_hist_down_line(scr_stat *scp); +int sc_hist_ioctl(struct tty *tp, u_long cmd, caddr_t data, + int flag, struct thread *td); +#endif /* SC_NO_HISTORY */ + +/* scmouse.c */ +#ifndef SC_NO_CUTPASTE +void sc_alloc_cut_buffer(scr_stat *scp, int wait); +void sc_draw_mouse_image(scr_stat *scp); +void sc_remove_mouse_image(scr_stat *scp); +int sc_inside_cutmark(scr_stat *scp, int pos); +void sc_remove_cutmarking(scr_stat *scp); +void sc_remove_all_cutmarkings(sc_softc_t *scp); +void sc_remove_all_mouse(sc_softc_t *scp); +void sc_mouse_paste(scr_stat *scp); +#else +#define sc_draw_mouse_image(scp) +#define sc_remove_mouse_image(scp) +#define sc_inside_cutmark(scp, pos) FALSE +#define sc_remove_cutmarking(scp) +#define sc_remove_all_cutmarkings(scp) +#define sc_remove_all_mouse(scp) +#define sc_mouse_paste(scp) +#endif /* SC_NO_CUTPASTE */ +#ifndef SC_NO_SYSMOUSE +void sc_mouse_move(scr_stat *scp, int x, int y); +int sc_mouse_ioctl(struct tty *tp, u_long cmd, caddr_t data, + int flag, struct thread *td); +#endif /* SC_NO_SYSMOUSE */ + +/* scvidctl.c */ +int sc_set_text_mode(scr_stat *scp, struct tty *tp, int mode, + int xsize, int ysize, int fontsize); +int sc_set_graphics_mode(scr_stat *scp, struct tty *tp, int mode); +int sc_set_pixel_mode(scr_stat *scp, struct tty *tp, + int xsize, int ysize, int fontsize); +int sc_vid_ioctl(struct tty *tp, u_long cmd, caddr_t data, int flag, + struct thread *td); + +int sc_render_add(sc_renderer_t *rndr); +int sc_render_remove(sc_renderer_t *rndr); +sc_rndr_sw_t *sc_render_match(scr_stat *scp, char *name, int mode); + +/* scvtb.c */ +void sc_vtb_init(sc_vtb_t *vtb, int type, int cols, int rows, + void *buffer, int wait); +void sc_vtb_destroy(sc_vtb_t *vtb); +size_t sc_vtb_size(int cols, int rows); +void sc_vtb_clear(sc_vtb_t *vtb, int c, int attr); + +int sc_vtb_getc(sc_vtb_t *vtb, int at); +int sc_vtb_geta(sc_vtb_t *vtb, int at); +void sc_vtb_putc(sc_vtb_t *vtb, int at, int c, int a); +vm_offset_t sc_vtb_putchar(sc_vtb_t *vtb, vm_offset_t p, int c, int a); +vm_offset_t sc_vtb_pointer(sc_vtb_t *vtb, int at); +int sc_vtb_pos(sc_vtb_t *vtb, int pos, int offset); + +#define sc_vtb_tail(vtb) ((vtb)->vtb_tail) +#define sc_vtb_rows(vtb) ((vtb)->vtb_rows) +#define sc_vtb_cols(vtb) ((vtb)->vtb_cols) + +void sc_vtb_copy(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, int to, + int count); +void sc_vtb_append(sc_vtb_t *vtb1, int from, sc_vtb_t *vtb2, + int count); +void sc_vtb_seek(sc_vtb_t *vtb, int pos); +void sc_vtb_erase(sc_vtb_t *vtb, int at, int count, int c, int attr); +void sc_vtb_move(sc_vtb_t *vtb, int from, int to, int count); +void sc_vtb_delete(sc_vtb_t *vtb, int at, int count, int c, int attr); +void sc_vtb_ins(sc_vtb_t *vtb, int at, int count, int c, int attr); + +/* sysmouse.c */ +int sysmouse_event(mouse_info_t *info); + +/* scterm.c */ +void sc_move_cursor(scr_stat *scp, int x, int y); +void sc_clear_screen(scr_stat *scp); +int sc_term_add(sc_term_sw_t *sw); +int sc_term_remove(sc_term_sw_t *sw); +sc_term_sw_t *sc_term_match(char *name); +sc_term_sw_t *sc_term_match_by_number(int index); + +/* machine dependent functions */ +int sc_max_unit(void); +sc_softc_t *sc_get_softc(int unit, int flags); +sc_softc_t *sc_find_softc(struct video_adapter *adp, struct keyboard *kbd); +int sc_get_cons_priority(int *unit, int *flags); +void sc_get_bios_values(bios_values_t *values); +int sc_tone(int herz); + +#endif /* !_DEV_SYSCONS_SYSCONS_H_ */ |