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/* $OpenBSD: wsdisplayvar.h,v 1.6 2001/02/08 02:47:12 aaron Exp $ */
/* $NetBSD: wsdisplayvar.h,v 1.14.4.1 2000/06/30 16:27:53 simonb 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));
int (*mapchar) __P((void *, int, unsigned int *));
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 */
};
struct wsdisplay_font;
/*
* 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));
paddr_t (*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 *));
int (*show_screen) __P((void *, void *, int,
void (*) (void *, int, int), void *));
int (*load_font) __P((void *, void *, struct wsdisplay_font *));
void (*scrollback) __P((void *, void *, int));
};
/*
* 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 0
#define wsemuldisplaydevcf_console cf_loc[WSEMULDISPLAYDEVCF_CONSOLE] /* spec'd as console? */
#define WSEMULDISPLAYDEVCF_CONSOLE_UNK -1
struct wscons_syncops {
int (*detach) __P((void *, int, void (*)(void *, int, int), void *));
int (*attach) __P((void *, int, void (*)(void *, int, int), void *));
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_ioctl1 __P((struct wsdisplay_softc *,
u_long, caddr_t, int, struct proc *));
int wsdisplay_usl_ioctl2 __P((struct wsdisplay_softc *, struct wsscreen *,
u_long, caddr_t, int, struct proc *));
int wsdisplay_cfg_ioctl __P((struct wsdisplay_softc *sc,
u_long cmd, caddr_t data,
int flag, struct proc *p));
/*
* for general use
*/
void wsdisplay_switchtoconsole __P((void));
/*
* for use by wskbd
*/
void wsscrollback __P((void *, int op));
#define WSDISPLAY_SCROLL_BACKWARD 0
#define WSDISPLAY_SCROLL_FORWARD 1
#define WSDISPLAY_SCROLL_RESET 2
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