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/* $OpenBSD: wsdisplayvar.h,v 1.23 2009/09/05 14:09:35 miod Exp $ */
/* $NetBSD: wsdisplayvar.h,v 1.30 2005/02/04 02:10:49 perry 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
*/
#define WSDISPLAY_MAXSCREEN 12
#define WSDISPLAY_MAXFONT 8
/*
* 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 {
int (*cursor)(void *c, int on, int row, int col);
int (*mapchar)(void *, int, unsigned int *);
int (*putchar)(void *c, int row, int col, u_int uc, long attr);
int (*copycols)(void *c, int row, int srccol, int dstcol,
int ncols);
int (*erasecols)(void *c, int row, int startcol, int ncols, long);
int (*copyrows)(void *c, int srcrow, int dstrow, int nrows);
int (*eraserows)(void *c, int row, int nrows, long attr);
int (*alloc_attr)(void *c, int fg, int bg, int flags, long *attrp);
void (*unpack_attr)(void *c, long attr, int *fg, int *bg, int *ul);
/* 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() ??? */
};
#define WSSCREEN_NAME_SIZE 16
struct wsscreen_descr {
char name[WSSCREEN_NAME_SIZE];
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 */
};
/*
* Character cell description (for emulation mode).
*/
struct wsdisplay_charcell {
u_int uc;
long attr;
};
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)(void *v, u_long cmd, caddr_t data, int flag,
struct proc *p);
paddr_t (*mmap)(void *v, off_t off, int prot);
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 (*scrollback)(void *, void *, int);
int (*getchar)(void *, int, int, struct wsdisplay_charcell *);
void (*burn_screen)(void *, u_int, u_int);
void (*pollc)(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 */
u_int defaultscreens; /* screens to create */
};
#define WSEMULDISPLAYDEVCF_CONSOLE 0
#define wsemuldisplaydevcf_console cf_loc[WSEMULDISPLAYDEVCF_CONSOLE] /* spec'd as console? */
#define WSEMULDISPLAYDEVCF_CONSOLE_UNK -1
#define WSDISPLAYDEVCF_MUX 0
#define wsdisplaydevcf_mux cf_loc[WSDISPLAYDEVCF_MUX]
#define WSEMULDISPLAYDEVCF_MUX 1
#define wsemuldisplaydevcf_mux cf_loc[WSEMULDISPLAYDEVCF_MUX]
struct wscons_syncops {
int (*detach)(void *, int, void (*)(void *, int, int), void *);
int (*attach)(void *, int, void (*)(void *, int, int), void *);
int (*check)(void *);
void (*destroy)(void *);
};
/*
* Autoconfiguration helper functions.
*/
void wsdisplay_cnattach(const struct wsscreen_descr *, void *,
int, int, long);
int wsemuldisplaydevprint(void *, const char *);
/*
* Console interface.
*/
void wsdisplay_cnputc(dev_t dev, int i);
/*
* 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);
int wsdisplay_internal_ioctl(struct wsdisplay_softc *sc,
struct wsscreen *,
u_long cmd, caddr_t data,
int flag, struct proc *p);
int wsdisplay_usl_ioctl1(struct wsdisplay_softc *,
u_long, caddr_t, int, struct proc *);
int wsdisplay_usl_ioctl2(struct wsdisplay_softc *, struct wsscreen *,
u_long, caddr_t, int, struct proc *);
int wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc,
u_long cmd, caddr_t data,
int flag, struct proc *p);
/*
* for general use
*/
#define WSDISPLAY_NULLSCREEN -1
void wsdisplay_switchtoconsole(void);
const struct wsscreen_descr *
wsdisplay_screentype_pick(const struct wsscreen_list *, const char *);
/*
* for use by wskbd
*/
void wsdisplay_burn(void *v, u_int flags);
void wsscrollback(void *v, int op);
#define WSDISPLAY_SCROLL_BACKWARD 0
#define WSDISPLAY_SCROLL_FORWARD 1
#define WSDISPLAY_SCROLL_RESET 2
/*
* screen burner
*/
#define WSDISPLAY_DEFBURNOUT 600000 /* ms */
#define WSDISPLAY_DEFBURNIN 250 /* ms */
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