/* $NetBSD: wsdisplayvar.h,v 1.4 1998/06/20 21:52:50 drochner Exp $ */ /* * Copyright (c) 1996, 1997 Christopher G. Demetriou. 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. * 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. All advertising materials mentioning features or use of this software * must display the following acknowledgement: * This product includes software developed by Christopher G. Demetriou * for the NetBSD Project. * 4. 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. */ struct device; /* * WSDISPLAY interfaces */ /* * Emulation functions, for displays that can support glass-tty terminal * emulations. These are character oriented, with row and column * numbers starting at zero in the upper left hand corner of the * screen. * * These are used only when emulating a terminal. Therefore, displays * drivers which cannot emulate terminals do not have to provide them. * * There is a "void *" cookie provided by the display driver associated * with these functions, which is passed to them when they are invoked. */ struct wsdisplay_emulops { void (*cursor) __P((void *c, int on, int row, int col)); void (*putchar) __P((void *c, int row, int col, u_int uc, long attr)); void (*copycols) __P((void *c, int row, int srccol, int dstcol, int ncols)); void (*erasecols) __P((void *c, int row, int startcol, int ncols, long)); void (*copyrows) __P((void *c, int srcrow, int dstrow, int nrows)); void (*eraserows) __P((void *c, int row, int nrows, long)); int (*alloc_attr) __P((void *c, int fg, int bg, int flags, long *)); /* fg / bg values. Made identical to ANSI terminal color codes. */ #define WSCOL_BLACK 0 #define WSCOL_RED 1 #define WSCOL_GREEN 2 #define WSCOL_BROWN 3 #define WSCOL_BLUE 4 #define WSCOL_MAGENTA 5 #define WSCOL_CYAN 6 #define WSCOL_WHITE 7 /* flag values: */ #define WSATTR_REVERSE 1 #define WSATTR_HILIT 2 #define WSATTR_BLINK 4 #define WSATTR_UNDERLINE 8 #define WSATTR_WSCOLORS 16 /* XXX need a free_attr() ??? */ }; struct wsscreen_descr { char *name; int ncols, nrows; const struct wsdisplay_emulops *textops; int fontwidth, fontheight; int capabilities; #define WSSCREEN_WSCOLORS 1 /* minimal color capability */ #define WSSCREEN_REVERSE 2 /* can display reversed */ #define WSSCREEN_HILIT 4 /* can highlight (however) */ #define WSSCREEN_BLINK 8 /* can blink */ #define WSSCREEN_UNDERLINE 16 /* can underline */ }; /* * Display access functions, invoked by user-land programs which require * direct device access, such as X11. * * There is a "void *" cookie provided by the display driver associated * with these functions, which is passed to them when they are invoked. */ struct wsdisplay_accessops { int (*ioctl) __P((void *v, u_long cmd, caddr_t data, int flag, struct proc *p)); int (*mmap) __P((void *v, off_t off, int prot)); int (*alloc_screen) __P((void *, const struct wsscreen_descr *, void **, int *, int *, long *)); void (*free_screen) __P((void *, void *)); void (*show_screen) __P((void *, void *)); int (*load_font) __P((void *, void *, int, int, int, void *)); }; /* * Attachment information provided by wsdisplaydev devices when attaching * wsdisplay units. */ struct wsdisplaydev_attach_args { const struct wsdisplay_accessops *accessops; /* access ops */ void *accesscookie; /* access cookie */ }; /* passed to wscons by the video driver to tell about its capabilities */ struct wsscreen_list { int nscreens; const struct wsscreen_descr **screens; }; /* * Attachment information provided by wsemuldisplaydev devices when attaching * wsdisplay units. */ struct wsemuldisplaydev_attach_args { int console; /* is it console? */ const struct wsscreen_list *scrdata; /* screen cfg info */ const struct wsdisplay_accessops *accessops; /* access ops */ void *accesscookie; /* access cookie */ }; #define wsemuldisplaydevcf_console cf_loc[0] /* spec'd as console? */ #define WSEMULDISPLAYDEVCF_CONSOLE_UNK -1 struct wscons_syncops { int (*detach) __P((void *, int, void (*)(void *, int), void *)); int (*attach) __P((void *, int)); int (*check) __P((void *)); void (*destroy) __P((void *)); }; /* * Autoconfiguration helper functions. */ void wsdisplay_cnattach __P((const struct wsscreen_descr *, void *, int, int, long)); int wsdisplaydevprint __P((void *, const char *)); int wsemuldisplaydevprint __P((void *, const char *)); /* * Console interface. */ void wsdisplay_cnputc __P((dev_t dev, int i)); /* * for use by compatibility code */ struct wsdisplay_softc; struct wsscreen; int wsscreen_attach_sync __P((struct wsscreen *, const struct wscons_syncops *, void *)); int wsscreen_detach_sync __P((struct wsscreen *)); int wsscreen_lookup_sync __P((struct wsscreen *, const struct wscons_syncops *, void **)); int wsdisplay_maxscreenidx __P((struct wsdisplay_softc *)); int wsdisplay_screenstate __P((struct wsdisplay_softc *, int)); int wsdisplay_getactivescreen __P((struct wsdisplay_softc *)); int wsscreen_switchwait __P((struct wsdisplay_softc *, int)); int wsdisplay_internal_ioctl __P((struct wsdisplay_softc *sc, struct wsscreen *, u_long cmd, caddr_t data, int flag, struct proc *p)); int wsdisplay_usl_ioctl __P((struct wsdisplay_softc *, struct wsscreen *, u_long, caddr_t, int, struct proc *));