207 lines
7.4 KiB
C
207 lines
7.4 KiB
C
/* $NetBSD: wsdisplayvar.h,v 1.22 2002/07/04 14:37:14 junyoung Exp $ */
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/*
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* Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Christopher G. Demetriou
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* for the NetBSD Project.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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struct device;
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/*
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* WSDISPLAY interfaces
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*/
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/*
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* Emulation functions, for displays that can support glass-tty terminal
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* emulations. These are character oriented, with row and column
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* numbers starting at zero in the upper left hand corner of the
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* screen.
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*
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* These are used only when emulating a terminal. Therefore, displays
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* drivers which cannot emulate terminals do not have to provide them.
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*
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* There is a "void *" cookie provided by the display driver associated
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* with these functions, which is passed to them when they are invoked.
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*/
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struct wsdisplay_emulops {
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void (*cursor)(void *c, int on, int row, int col);
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int (*mapchar)(void *, int, unsigned int *);
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void (*putchar)(void *c, int row, int col, u_int uc, long attr);
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void (*copycols)(void *c, int row, int srccol, int dstcol,int ncols);
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void (*erasecols)(void *c, int row, int startcol, int ncols, long);
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void (*copyrows)(void *c, int srcrow, int dstrow, int nrows);
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void (*eraserows)(void *c, int row, int nrows, long);
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int (*allocattr)(void *c, int fg, int bg, int flags, long *);
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/* fg / bg values. Made identical to ANSI terminal color codes. */
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#define WSCOL_BLACK 0
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#define WSCOL_RED 1
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#define WSCOL_GREEN 2
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#define WSCOL_BROWN 3
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#define WSCOL_BLUE 4
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#define WSCOL_MAGENTA 5
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#define WSCOL_CYAN 6
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#define WSCOL_WHITE 7
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/* flag values: */
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#define WSATTR_REVERSE 1
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#define WSATTR_HILIT 2
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#define WSATTR_BLINK 4
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#define WSATTR_UNDERLINE 8
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#define WSATTR_WSCOLORS 16
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/* XXX need a free_attr() ??? */
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};
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struct wsscreen_descr {
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char *name;
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int ncols, nrows;
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const struct wsdisplay_emulops *textops;
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int fontwidth, fontheight;
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int capabilities;
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#define WSSCREEN_WSCOLORS 1 /* minimal color capability */
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#define WSSCREEN_REVERSE 2 /* can display reversed */
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#define WSSCREEN_HILIT 4 /* can highlight (however) */
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#define WSSCREEN_BLINK 8 /* can blink */
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#define WSSCREEN_UNDERLINE 16 /* can underline */
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};
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struct wsdisplay_font;
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struct wsdisplay_char;
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/*
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* Display access functions, invoked by user-land programs which require
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* direct device access, such as X11.
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*
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* There is a "void *" cookie provided by the display driver associated
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* with these functions, which is passed to them when they are invoked.
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*/
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struct wsdisplay_accessops {
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int (*ioctl)(void *v, u_long cmd, caddr_t data, int flag,
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struct proc *p);
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paddr_t (*mmap)(void *v, off_t off, int prot);
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int (*alloc_screen)(void *, const struct wsscreen_descr *,
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void **, int *, int *, long *);
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void (*free_screen)(void *, void *);
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int (*show_screen)(void *, void *, int,
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void (*) (void *, int, int), void *);
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int (*load_font)(void *, void *, struct wsdisplay_font *);
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void (*pollc)(void *, int);
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int (*getwschar)(void *, struct wsdisplay_char *);
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int (*putwschar)(void *, struct wsdisplay_char *);
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};
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/*
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* Attachment information provided by wsdisplaydev devices when attaching
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* wsdisplay units.
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*/
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struct wsdisplaydev_attach_args {
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const struct wsdisplay_accessops *accessops; /* access ops */
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void *accesscookie; /* access cookie */
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};
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/* passed to wscons by the video driver to tell about its capabilities */
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struct wsscreen_list {
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int nscreens;
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const struct wsscreen_descr **screens;
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};
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/*
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* Attachment information provided by wsemuldisplaydev devices when attaching
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* wsdisplay units.
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*/
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struct wsemuldisplaydev_attach_args {
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int console; /* is it console? */
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const struct wsscreen_list *scrdata; /* screen cfg info */
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const struct wsdisplay_accessops *accessops; /* access ops */
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void *accesscookie; /* access cookie */
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};
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#include "locators.h"
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#define wsemuldisplaydevcf_console cf_loc[WSEMULDISPLAYDEVCF_CONSOLE] /* spec'd as console? */
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#define WSEMULDISPLAYDEVCF_CONSOLE_UNK (WSEMULDISPLAYDEVCF_CONSOLE_DEFAULT)
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#define wsemuldisplaydevcf_kbdmux cf_loc[WSEMULDISPLAYDEVCF_KBDMUX]
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#define wsdisplaydevcf_kbdmux cf_loc[WSDISPLAYDEVCF_KBDMUX]
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struct wscons_syncops {
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int (*detach)(void *, int, void (*)(void *, int, int), void *);
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int (*attach)(void *, int, void (*)(void *, int, int), void *);
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int (*check)(void *);
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void (*destroy)(void *);
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};
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/*
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* Autoconfiguration helper functions.
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*/
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void wsdisplay_cnattach(const struct wsscreen_descr *, void *,int,int, long);
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int wsdisplaydevprint(void *, const char *);
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int wsemuldisplaydevprint(void *, const char *);
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/*
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* Console interface.
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*/
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void wsdisplay_cnputc(dev_t dev, int i);
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/*
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* for use by compatibility code
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*/
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struct wsdisplay_softc;
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struct wsscreen;
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int wsscreen_attach_sync(struct wsscreen *,
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const struct wscons_syncops *, void *);
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int wsscreen_detach_sync(struct wsscreen *);
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int wsscreen_lookup_sync(struct wsscreen *,
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const struct wscons_syncops *, void **);
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int wsdisplay_maxscreenidx(struct wsdisplay_softc *);
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int wsdisplay_screenstate(struct wsdisplay_softc *, int);
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int wsdisplay_getactivescreen(struct wsdisplay_softc *);
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int wsscreen_switchwait(struct wsdisplay_softc *, int);
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int wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *,
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u_long cmd, caddr_t data,int flag, struct proc *p);
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int wsdisplay_usl_ioctl1(struct wsdisplay_softc *,
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u_long, caddr_t, int, struct proc *);
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int wsdisplay_usl_ioctl2(struct wsdisplay_softc *, struct wsscreen *,
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u_long, caddr_t, int, struct proc *);
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int wsdisplay_stat_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data,
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int flag, struct proc *p);
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int wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data,
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int flag, struct proc *p);
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int wsdisplay_stat_inject(struct device *dev, u_int type, int value);
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/*
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* for general use
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*/
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#define WSDISPLAY_NULLSCREEN -1
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void wsdisplay_switchtoconsole(void);
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const struct wsscreen_descr *
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wsdisplay_screentype_pick(const struct wsscreen_list *, const char *);
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