/*
* 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.
*/
/*
* 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)(void *, int, int, int);
int (*mapchar)(void *, int, unsigned int *);
void (*putchar)(void *, int, int, u_int, long);
void (*copycols)(void *, int, int, int, int);
void (*erasecols)(void *, int, int, int, long);
void (*copyrows)(void *, int, int, int);
void (*eraserows)(void *, int, int, long);
int (*allocattr)(void *, int, int, int, 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
#define WSCOL_LIGHT_GREY (WSCOL_BLACK+8)
#define WSCOL_LIGHT_RED (WSCOL_RED+8)
#define WSCOL_LIGHT_GREEN (WSCOL_GREEN+8)
#define WSCOL_LIGHT_BROWN (WSCOL_BROWN+8)
#define WSCOL_LIGHT_BLUE (WSCOL_BLUE+8)
#define WSCOL_LIGHT_MAGENTA (WSCOL_MAGENTA+8)
#define WSCOL_LIGHT_CYAN (WSCOL_CYAN+8)
#define WSCOL_LIGHT_WHITE (WSCOL_WHITE+8)
/* flag values: */
#define WSATTR_REVERSE 1
#define WSATTR_HILIT 2
#define WSATTR_BLINK 4
#define WSATTR_UNDERLINE 8
#define WSATTR_WSCOLORS 16
#define WSATTR_USERMASK 0x0fff
/* private flags used by the driver */
#define WSATTR_PRIVATE1 4096
#define WSATTR_PRIVATE2 8192
#define WSATTR_PRIVATE3 16384
#define WSATTR_PRIVATE4 32768
/* XXX need a free_attr() ??? */
void (*replaceattr)(void *, long, long);
};
struct wsscreen_descr {
const 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 */
#define WSSCREEN_RESIZE 32 /* can resize */
#define WSSCREEN_FREE 64 /* free() this struct when deleting
* internal only, do not set */
void *modecookie;
};
struct wsdisplay_font;
struct wsdisplay_char;
/*
* 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)(void *, void *, u_long, void *, int, struct lwp *);
paddr_t (*mmap)(void *, void *, off_t, int);
int (*alloc_screen)(void *, const struct wsscreen_descr *,
void **, int *, int *, long *);
void (*free_screen)(void *, void *);
int (*show_screen)(void *, void *, int,
void (*)(void *, int, int), void *);
int (*load_font)(void *, void *, struct wsdisplay_font *);
void (*pollc)(void *, int);
void (*scroll)(void *, void *, int);
};
/* 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 */
};
/*
* for use by compatibility code
*/
struct wsdisplay_softc;
struct wsscreen;
int wsscreen_attach_sync(struct wsscreen *,
const struct wscons_syncops *, void *);
int wsscreen_detach_sync(struct wsscreen *);
int wsscreen_lookup_sync(struct wsscreen *,
const struct wscons_syncops *, void **);
int wsdisplay_maxscreenidx(struct wsdisplay_softc *);
int wsdisplay_screenstate(struct wsdisplay_softc *, int);
int wsdisplay_getactivescreen(struct wsdisplay_softc *);
int wsscreen_switchwait(struct wsdisplay_softc *, int);
