1319 lines
28 KiB
C
1319 lines
28 KiB
C
/* $NetBSD: wsdisplay.c,v 1.11 1998/08/02 14:18:07 drochner 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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static const char _copyright[] __attribute__ ((unused)) =
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"Copyright (c) 1996, 1997 Christopher G. Demetriou. All rights reserved.";
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static const char _rcsid[] __attribute__ ((unused)) =
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"$NetBSD: wsdisplay.c,v 1.11 1998/08/02 14:18:07 drochner Exp $";
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#include <sys/param.h>
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#include <sys/conf.h>
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#include <sys/device.h>
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#include <sys/ioctl.h>
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#include <sys/kernel.h>
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#include <sys/proc.h>
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#include <sys/malloc.h>
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#include <sys/syslog.h>
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#include <sys/systm.h>
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#include <sys/tty.h>
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#include <sys/signalvar.h>
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#include <sys/errno.h>
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#include <sys/fcntl.h>
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#include <dev/wscons/wsconsio.h>
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#include <dev/wscons/wsdisplayvar.h>
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#include <dev/wscons/wsksymvar.h>
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#include <dev/wscons/wsksymdef.h>
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#include <dev/wscons/wsemulvar.h>
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#include <dev/wscons/wscons_callbacks.h>
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#include <dev/cons.h>
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#include "opt_wsdisplay_compat.h"
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#include "wsdisplay.h"
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struct wsdisplay_conf {
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const struct wsdisplay_emulops *emulops;
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void *emulcookie;
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const struct wsscreen_descr *scrdata;
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const struct wsemul_ops *wsemul;
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void *wsemulcookie;
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};
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struct wsscreen {
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struct wsdisplay_conf *scr_dconf;
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struct tty *scr_tty;
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int scr_hold_screen; /* hold tty output */
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int scr_flags;
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#define SCR_OPEN 1 /* is it open? */
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#define SCR_WAITACTIVE 2 /* someone waiting on activation */
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#define SCR_GRAPHICS 4 /* graphics mode, no text (emulation) output */
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const struct wscons_syncops *scr_syncops;
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void *scr_synccookie;
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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int scr_rawkbd;
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#endif
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struct wsdisplay_softc *sc;
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};
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struct wsscreen *wsscreen_attach __P((struct wsdisplay_softc *, int,
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const char *,
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const struct wsscreen_descr *, void *,
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int, int, long));
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#define WSDISPLAY_MAXSCREEN 8
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struct wsdisplay_softc {
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struct device sc_dv;
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const struct wsdisplay_accessops *sc_accessops;
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void *sc_accesscookie;
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struct wsscreen *sc_scr[WSDISPLAY_MAXSCREEN];
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int sc_focusidx;
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struct wsscreen *sc_focus;
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int sc_isconsole;
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struct device *sc_kbddv;
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int sc_flags;
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#define SC_SWITCHPENDING 1
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int sc_screenwanted; /* valid with SC_SWITCHPENDING */
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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int sc_rawkbd;
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#endif
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};
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#if NWSDISPLAY > 0
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extern struct cfdriver wsdisplay_cd;
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#endif /* NWSDISPLAY > 0 */
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/* Autoconfiguration definitions. */
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static int wsdisplay_emul_match __P((struct device *, struct cfdata *,
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void *));
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static void wsdisplay_emul_attach __P((struct device *, struct device *,
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void *));
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static int wsdisplay_noemul_match __P((struct device *, struct cfdata *,
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void *));
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static void wsdisplay_noemul_attach __P((struct device *, struct device *,
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void *));
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struct cfattach wsdisplay_emul_ca = {
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sizeof (struct wsdisplay_softc),
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wsdisplay_emul_match,
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wsdisplay_emul_attach,
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};
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struct cfattach wsdisplay_noemul_ca = {
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sizeof (struct wsdisplay_softc),
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wsdisplay_noemul_match,
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wsdisplay_noemul_attach,
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};
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/* Exported tty- and cdevsw-related functions. */
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cdev_decl(wsdisplay);
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#if NWSDISPLAY > 0
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static void wsdisplaystart __P((struct tty *));
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static int wsdisplayparam __P((struct tty *, struct termios *));
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#endif /* NWSDISPLAY > 0 */
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/* Internal macros, functions, and variables. */
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#define SET(t, f) (t) |= (f)
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#define CLR(t, f) (t) &= ~(f)
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#define ISSET(t, f) ((t) & (f))
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#define WSDISPLAYUNIT(dev) (minor(dev) >> 8)
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#define WSDISPLAYSCREEN(dev) (minor(dev) & 0xff)
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#define WSDISPLAYMINOR(unit, screen) (((unit) << 8) | (screen))
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#define WSDISPLAYBURST (OBUFSIZ - 1)
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#define WSSCREEN_HAS_EMULATOR(scr) ((scr)->scr_dconf->wsemul != NULL)
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#define WSSCREEN_HAS_TTY(scr) ((scr)->scr_tty != NULL)
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static void wsdisplay_common_attach __P((struct wsdisplay_softc *sc,
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int console, const struct wsscreen_list *,
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const struct wsdisplay_accessops *accessops,
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void *accesscookie));
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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int wsdisplay_update_rawkbd __P((struct wsdisplay_softc *,
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struct wsscreen *));
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#endif
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static int wsdisplay_console_initted;
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static struct wsdisplay_softc *wsdisplay_console_device;
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static struct wsdisplay_conf wsdisplay_console_conf;
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static int wsdisplay_getc_dummy __P((dev_t));
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static void wsdisplay_pollc_dummy __P((dev_t, int));
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static struct consdev wsdisplay_cons = {
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NULL, NULL, wsdisplay_getc_dummy, wsdisplay_cnputc,
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wsdisplay_pollc_dummy, NODEV, CN_NORMAL
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};
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int wsdisplay_switch1 __P((void *, int));
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struct wsscreen *wsscreen_attach(sc, console, emul, type, cookie,
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ccol, crow, defattr)
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struct wsdisplay_softc *sc;
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int console;
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const char *emul;
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const struct wsscreen_descr *type;
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void *cookie;
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int ccol, crow;
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long defattr;
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{
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struct wsdisplay_conf *dconf;
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struct wsscreen *scr;
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scr = malloc(sizeof(struct wsscreen), M_DEVBUF, M_WAITOK);
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if (!scr)
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return (NULL);
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if (console) {
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dconf = &wsdisplay_console_conf;
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/*
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* If there's an emulation, tell it about the callback argument.
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* The other stuff is already there.
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*/
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if (dconf->wsemul != NULL)
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(*dconf->wsemul->attach)(1, 0, 0, 0, 0, scr, 0);
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} else { /* not console */
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dconf = malloc(sizeof(struct wsdisplay_conf),
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M_DEVBUF, M_NOWAIT);
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dconf->emulops = type->textops;
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dconf->emulcookie = cookie;
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if (dconf->emulops) {
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dconf->wsemul = wsemul_pick(emul);
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dconf->wsemulcookie =
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(*dconf->wsemul->attach)(0, type, cookie,
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ccol, crow, scr, defattr);
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} else
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dconf->wsemul = NULL;
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dconf->scrdata = type;
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}
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scr->scr_dconf = dconf;
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scr->scr_tty = ttymalloc();
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tty_attach(scr->scr_tty);
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scr->scr_hold_screen = 0;
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if (WSSCREEN_HAS_EMULATOR(scr))
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scr->scr_flags = 0;
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else
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scr->scr_flags = SCR_GRAPHICS;
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scr->scr_syncops = 0;
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scr->sc = sc;
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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scr->scr_rawkbd = 0;
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#endif
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return (scr);
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}
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/*
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* Autoconfiguration functions.
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*/
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int
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wsdisplay_emul_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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struct wsemuldisplaydev_attach_args *ap = aux;
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if (match->wsemuldisplaydevcf_console !=
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WSEMULDISPLAYDEVCF_CONSOLE_UNK) {
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/*
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* If console-ness of device specified, either match
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* exactly (at high priority), or fail.
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*/
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if (match->wsemuldisplaydevcf_console != 0 &&
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ap->console != 0)
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return (10);
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else
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return (0);
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}
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/* If console-ness unspecified, it wins. */
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return (1);
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}
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void
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wsdisplay_emul_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self;
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struct wsemuldisplaydev_attach_args *ap = aux;
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wsdisplay_common_attach(sc, ap->console, ap->scrdata,
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ap->accessops, ap->accesscookie);
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if (ap->console) {
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int maj;
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/* locate the major number */
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for (maj = 0; maj < nchrdev; maj++)
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if (cdevsw[maj].d_open == wsdisplayopen)
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break;
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cn_tab->cn_dev = makedev(maj, WSDISPLAYMINOR(self->dv_unit, 0));
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}
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}
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/* Print function (for parent devices). */
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int
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wsemuldisplaydevprint(aux, pnp)
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void *aux;
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const char *pnp;
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{
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#if 0 /* -Wunused */
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struct wsemuldisplaydev_attach_args *ap = aux;
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#endif
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if (pnp)
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printf("wsdisplay at %s", pnp);
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#if 0 /* don't bother; it's ugly */
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printf(" console %d", ap->console);
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#endif
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return (UNCONF);
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}
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int
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wsdisplay_noemul_match(parent, match, aux)
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struct device *parent;
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struct cfdata *match;
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void *aux;
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{
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#if 0 /* -Wunused */
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struct wsdisplaydev_attach_args *ap = aux;
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#endif
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/* Always match. */
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return (1);
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}
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void
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wsdisplay_noemul_attach(parent, self, aux)
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struct device *parent, *self;
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void *aux;
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{
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struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self;
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struct wsdisplaydev_attach_args *ap = aux;
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wsdisplay_common_attach(sc, 0, NULL, ap->accessops, ap->accesscookie);
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}
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/* Print function (for parent devices). */
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int
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wsdisplaydevprint(aux, pnp)
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void *aux;
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const char *pnp;
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{
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#if 0 /* -Wunused */
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struct wsdisplaydev_attach_args *ap = aux;
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#endif
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if (pnp)
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printf("wsdisplay at %s", pnp);
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return (UNCONF);
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}
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static void
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wsdisplay_common_attach(sc, console, scrdata, accessops, accesscookie)
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struct wsdisplay_softc *sc;
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int console;
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const struct wsscreen_list *scrdata;
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const struct wsdisplay_accessops *accessops;
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void *accesscookie;
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{
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const struct wsscreen_descr *scr;
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int res, i = 0;
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if (console) {
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KASSERT(wsdisplay_console_initted);
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KASSERT(wsdisplay_console_device == NULL);
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sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0);
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wsdisplay_console_device = sc;
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printf(": console (%s, %s emulation)",
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wsdisplay_console_conf.scrdata->name,
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wsdisplay_console_conf.wsemul->name);
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i++;
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}
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printf("\n");
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#if 1 /* XXX do this in ioctl() - user selects screen type and emulation */
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KASSERT(scrdata->nscreens > 0);
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scr = scrdata->screens[0];
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for (; i < WSDISPLAY_MAXSCREEN; i++) {
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void *cookie;
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int ccol, crow;
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long defattr;
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res = ((*accessops->alloc_screen)(accesscookie, scr,
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&cookie, &ccol, &crow,
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&defattr));
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if (res)
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break;
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sc->sc_scr[i] = wsscreen_attach(sc, 0, 0, scr, cookie,
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ccol, crow, defattr);
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}
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#endif
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sc->sc_focusidx = 0;
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sc->sc_focus = sc->sc_scr[0];
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sc->sc_accessops = accessops;
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sc->sc_accesscookie = accesscookie;
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sc->sc_isconsole = console;
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sc->sc_kbddv = NULL;
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wscons_glue_set_callback();
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}
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void
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wsdisplay_cnattach(type, cookie, ccol, crow, defattr)
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const struct wsscreen_descr *type;
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void *cookie;
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int ccol, crow;
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long defattr;
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{
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const struct wsemul_ops *wsemul;
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KASSERT(!wsdisplay_console_initted);
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KASSERT(type->nrows > 0);
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KASSERT(type->ncols > 0);
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KASSERT(crow < type->nrows);
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KASSERT(ccol < type->ncols);
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wsdisplay_console_conf.emulops = type->textops;
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wsdisplay_console_conf.emulcookie = cookie;
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wsdisplay_console_conf.scrdata = type;
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wsemul = wsemul_pick(0); /* default */
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wsdisplay_console_conf.wsemul = wsemul;
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wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie,
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ccol, crow,
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defattr);
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cn_tab = &wsdisplay_cons;
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wsdisplay_console_initted = 1;
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}
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/*
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* Tty and cdevsw functions.
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*/
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int
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wsdisplayopen(dev, flag, mode, p)
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dev_t dev;
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int flag, mode;
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struct proc *p;
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{
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#if NWSDISPLAY > 0
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struct wsdisplay_softc *sc;
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struct tty *tp;
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int unit, newopen, error;
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struct wsscreen *scr;
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unit = WSDISPLAYUNIT(dev);
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if (unit >= wsdisplay_cd.cd_ndevs || /* make sure it was attached */
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(sc = wsdisplay_cd.cd_devs[unit]) == NULL)
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return (ENXIO);
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scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
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if (!scr)
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return (ENXIO);
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if (WSSCREEN_HAS_TTY(scr)) {
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tp = scr->scr_tty;
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tp->t_oproc = wsdisplaystart;
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tp->t_param = wsdisplayparam;
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tp->t_dev = dev;
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newopen = (tp->t_state & TS_ISOPEN) == 0;
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if (newopen) {
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ttychars(tp);
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tp->t_iflag = TTYDEF_IFLAG;
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tp->t_oflag = TTYDEF_OFLAG;
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tp->t_cflag = TTYDEF_CFLAG;
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tp->t_lflag = TTYDEF_LFLAG;
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tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
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wsdisplayparam(tp, &tp->t_termios);
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ttsetwater(tp);
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} else if ((tp->t_state & TS_XCLUDE) != 0 &&
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p->p_ucred->cr_uid != 0)
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return EBUSY;
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tp->t_state |= TS_CARR_ON;
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error = ((*linesw[tp->t_line].l_open)(dev, tp));
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if (error)
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return (error);
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if (newopen && WSSCREEN_HAS_EMULATOR(scr)) {
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/* set window sizes as appropriate, and reset
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the emulation */
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tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows;
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tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols;
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/* wsdisplay_set_emulation() */
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}
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}
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scr->scr_flags |= SCR_OPEN;
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return (0);
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#else
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return (ENXIO);
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#endif /* NWSDISPLAY > 0 */
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}
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int
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wsdisplayclose(dev, flag, mode, p)
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dev_t dev;
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int flag, mode;
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struct proc *p;
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{
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#if NWSDISPLAY > 0
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struct wsdisplay_softc *sc;
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struct tty *tp;
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int unit;
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struct wsscreen *scr;
|
|
|
|
unit = WSDISPLAYUNIT(dev);
|
|
if (unit >= wsdisplay_cd.cd_ndevs || /* make sure it was attached */
|
|
(sc = wsdisplay_cd.cd_devs[unit]) == NULL)
|
|
return (ENXIO);
|
|
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
|
|
if (WSSCREEN_HAS_TTY(scr)) {
|
|
if (scr->scr_hold_screen) {
|
|
int s;
|
|
|
|
/* XXX RESET KEYBOARD LEDS, etc. */
|
|
s = spltty(); /* avoid conflict with keyboard */
|
|
wsdisplay_kbdholdscreen((struct device *)sc, 0);
|
|
splx(s);
|
|
}
|
|
tp = scr->scr_tty;
|
|
(*linesw[tp->t_line].l_close)(tp, flag);
|
|
ttyclose(tp);
|
|
}
|
|
/* XXX RESET EMULATOR? */
|
|
|
|
if (scr->scr_syncops)
|
|
(*scr->scr_syncops->destroy)(scr->scr_synccookie);
|
|
|
|
if (WSSCREEN_HAS_EMULATOR(scr))
|
|
scr->scr_flags &= ~SCR_GRAPHICS;
|
|
|
|
#ifdef WSDISPLAY_COMPAT_RAWKBD
|
|
if (scr->scr_rawkbd) {
|
|
int kbmode = WSKBD_TRANSLATED;
|
|
(void) wsdisplay_internal_ioctl(sc, scr, WSKBDIO_SETMODE,
|
|
(caddr_t)&kbmode, 0, p);
|
|
}
|
|
#endif
|
|
|
|
scr->scr_flags &= ~SCR_OPEN;
|
|
|
|
return (0);
|
|
#else
|
|
return (ENXIO);
|
|
#endif /* NWSDISPLAY > 0 */
|
|
}
|
|
|
|
int
|
|
wsdisplayread(dev, uio, flag)
|
|
dev_t dev;
|
|
struct uio *uio;
|
|
int flag;
|
|
{
|
|
#if NWSDISPLAY > 0
|
|
struct wsdisplay_softc *sc;
|
|
struct tty *tp;
|
|
int unit;
|
|
struct wsscreen *scr;
|
|
|
|
unit = WSDISPLAYUNIT(dev);
|
|
if (unit >= wsdisplay_cd.cd_ndevs || /* make sure it was attached */
|
|
(sc = wsdisplay_cd.cd_devs[unit]) == NULL)
|
|
return (ENXIO);
|
|
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
|
|
if (!WSSCREEN_HAS_TTY(scr))
|
|
return (ENODEV);
|
|
|
|
tp = scr->scr_tty;
|
|
return ((*linesw[tp->t_line].l_read)(tp, uio, flag));
|
|
#else
|
|
return (ENXIO);
|
|
#endif /* NWSDISPLAY > 0 */
|
|
}
|
|
|
|
int
|
|
wsdisplaywrite(dev, uio, flag)
|
|
dev_t dev;
|
|
struct uio *uio;
|
|
int flag;
|
|
{
|
|
#if NWSDISPLAY > 0
|
|
struct wsdisplay_softc *sc;
|
|
struct tty *tp;
|
|
int unit;
|
|
struct wsscreen *scr;
|
|
|
|
unit = WSDISPLAYUNIT(dev);
|
|
if (unit >= wsdisplay_cd.cd_ndevs || /* make sure it was attached */
|
|
(sc = wsdisplay_cd.cd_devs[unit]) == NULL)
|
|
return (ENXIO);
|
|
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
|
|
if (!WSSCREEN_HAS_TTY(scr))
|
|
return (ENODEV);
|
|
|
|
tp = scr->scr_tty;
|
|
return ((*linesw[tp->t_line].l_write)(tp, uio, flag));
|
|
#else
|
|
return (ENXIO);
|
|
#endif /* NWSDISPLAY > 0 */
|
|
}
|
|
|
|
struct tty *
|
|
wsdisplaytty(dev)
|
|
dev_t dev;
|
|
{
|
|
#if NWSDISPLAY > 0
|
|
struct wsdisplay_softc *sc;
|
|
int unit;
|
|
struct wsscreen *scr;
|
|
|
|
unit = WSDISPLAYUNIT(dev);
|
|
if (unit >= wsdisplay_cd.cd_ndevs || /* make sure it was attached */
|
|
(sc = wsdisplay_cd.cd_devs[unit]) == NULL)
|
|
return (NULL);
|
|
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
|
|
return (scr->scr_tty);
|
|
#else
|
|
return (NULL);
|
|
#endif /* NWSDISPLAY > 0 */
|
|
}
|
|
|
|
int
|
|
wsdisplayioctl(dev, cmd, data, flag, p)
|
|
dev_t dev;
|
|
u_long cmd;
|
|
caddr_t data;
|
|
int flag;
|
|
struct proc *p;
|
|
{
|
|
#if NWSDISPLAY > 0
|
|
struct wsdisplay_softc *sc;
|
|
struct tty *tp;
|
|
int unit, error;
|
|
struct wsscreen *scr;
|
|
|
|
unit = WSDISPLAYUNIT(dev);
|
|
if (unit >= wsdisplay_cd.cd_ndevs || /* make sure it was attached */
|
|
(sc = wsdisplay_cd.cd_devs[unit]) == NULL)
|
|
return (ENXIO);
|
|
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
|
|
if (WSSCREEN_HAS_TTY(scr)) {
|
|
tp = scr->scr_tty;
|
|
|
|
/* printf("disc\n"); */
|
|
/* do the line discipline ioctls first */
|
|
error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p);
|
|
if (error >= 0)
|
|
return error;
|
|
|
|
/* printf("tty\n"); */
|
|
/* then the tty ioctls */
|
|
error = ttioctl(tp, cmd, data, flag, p);
|
|
if (error >= 0)
|
|
return error;
|
|
}
|
|
|
|
#ifdef WSDISPLAY_COMPAT_USL
|
|
error = wsdisplay_usl_ioctl(sc, scr, cmd, data, flag, p);
|
|
if (error >= 0)
|
|
return (error);
|
|
#endif
|
|
|
|
error = wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, p);
|
|
return (error != -1 ? error : ENOTTY);
|
|
#else
|
|
return (ENXIO);
|
|
#endif /* NWSDISPLAY > 0 */
|
|
}
|
|
|
|
int
|
|
wsdisplay_internal_ioctl(sc, scr, cmd, data, flag, p)
|
|
struct wsdisplay_softc *sc;
|
|
struct wsscreen *scr;
|
|
u_long cmd;
|
|
caddr_t data;
|
|
int flag;
|
|
struct proc *p;
|
|
{
|
|
int error;
|
|
void *buf;
|
|
|
|
if (sc->sc_kbddv != NULL) {
|
|
/* check ioctls for keyboard */
|
|
#ifdef WSDISPLAY_COMPAT_RAWKBD
|
|
switch (cmd) {
|
|
case WSKBDIO_SETMODE:
|
|
scr->scr_rawkbd = (*(int *)data == WSKBD_RAW);
|
|
return (wsdisplay_update_rawkbd(sc, scr));
|
|
case WSKBDIO_GETMODE:
|
|
*(int *)data = (scr->scr_rawkbd ?
|
|
WSKBD_RAW : WSKBD_TRANSLATED);
|
|
return (0);
|
|
}
|
|
#endif
|
|
/* printf("kbdcallback\n"); */
|
|
error = wskbd_displayioctl(sc->sc_kbddv, cmd, data, flag, p);
|
|
if (error >= 0)
|
|
return error;
|
|
}
|
|
|
|
/* printf("display\n"); */
|
|
switch (cmd) {
|
|
case WSDISPLAYIO_GMODE:
|
|
*(u_int *)data = (scr->scr_flags & SCR_GRAPHICS ?
|
|
WSDISPLAYIO_MODE_MAPPED :
|
|
WSDISPLAYIO_MODE_EMUL);
|
|
return (0);
|
|
|
|
case WSDISPLAYIO_SMODE:
|
|
#define d (*(int *)data)
|
|
if (d != WSDISPLAYIO_MODE_EMUL &&
|
|
d != WSDISPLAYIO_MODE_MAPPED)
|
|
return (EINVAL);
|
|
|
|
if (WSSCREEN_HAS_EMULATOR(scr)) {
|
|
scr->scr_flags &= ~SCR_GRAPHICS;
|
|
if (d == WSDISPLAYIO_MODE_MAPPED)
|
|
scr->scr_flags |= SCR_GRAPHICS;
|
|
} else if (d == WSDISPLAYIO_MODE_EMUL)
|
|
return (EINVAL);
|
|
return (0);
|
|
#undef d
|
|
case WSDISPLAYIO_SFONT:
|
|
#define d ((struct wsdisplay_font *)data)
|
|
if (d->fontheight != scr->scr_dconf->scrdata->fontheight ||
|
|
d->fontwidth != scr->scr_dconf->scrdata->fontwidth)
|
|
return (EINVAL);
|
|
buf = malloc(d->fontheight * d->stride * d->numchars,
|
|
M_DEVBUF, M_WAITOK);
|
|
error = copyin(d->data, buf,
|
|
d->fontheight * d->stride * d->numchars);
|
|
if (error) {
|
|
free(buf, M_DEVBUF);
|
|
return (error);
|
|
}
|
|
error =
|
|
(*sc->sc_accessops->load_font)(sc->sc_accesscookie,
|
|
scr->scr_dconf->emulcookie,
|
|
d->firstchar, d->numchars,
|
|
d->stride, buf);
|
|
free(buf, M_DEVBUF);
|
|
#undef d
|
|
return (error);
|
|
}
|
|
|
|
/* check ioctls for display */
|
|
return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
|
|
flag, p));
|
|
}
|
|
|
|
int
|
|
wsdisplaymmap(dev, offset, prot)
|
|
dev_t dev;
|
|
int offset; /* XXX */
|
|
int prot;
|
|
{
|
|
#if NWSDISPLAY > 0
|
|
struct wsdisplay_softc *sc = wsdisplay_cd.cd_devs[WSDISPLAYUNIT(dev)];
|
|
struct wsscreen *scr;
|
|
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
|
|
if (!(scr->scr_flags & SCR_GRAPHICS))
|
|
return (-1);
|
|
|
|
/* pass mmap to display */
|
|
return ((*sc->sc_accessops->mmap)(sc->sc_accesscookie, offset, prot));
|
|
#else
|
|
return (-1);
|
|
#endif /* NWSDISPLAY > 0 */
|
|
}
|
|
|
|
int
|
|
wsdisplaypoll(dev, events, p)
|
|
dev_t dev;
|
|
int events;
|
|
struct proc *p;
|
|
{
|
|
#if NWSDISPLAY > 0
|
|
struct wsdisplay_softc *sc = wsdisplay_cd.cd_devs[WSDISPLAYUNIT(dev)];
|
|
struct wsscreen *scr;
|
|
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
|
|
if (WSSCREEN_HAS_TTY(scr))
|
|
return (ttpoll(dev, events, p));
|
|
else
|
|
return (0);
|
|
#else
|
|
return (0);
|
|
#endif /* NWSDISPLAY > 0 */
|
|
}
|
|
|
|
#if NWSDISPLAY > 0
|
|
void
|
|
wsdisplaystart(tp)
|
|
register struct tty *tp;
|
|
{
|
|
struct wsdisplay_softc *sc;
|
|
struct wsscreen *scr;
|
|
register int s, n;
|
|
u_char buf[WSDISPLAYBURST];
|
|
|
|
s = spltty();
|
|
if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) {
|
|
splx(s);
|
|
return;
|
|
}
|
|
sc = wsdisplay_cd.cd_devs[WSDISPLAYUNIT(tp->t_dev)];
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(tp->t_dev)];
|
|
if (scr->scr_hold_screen) {
|
|
tp->t_state |= TS_TIMEOUT;
|
|
splx(s);
|
|
return;
|
|
}
|
|
tp->t_state |= TS_BUSY;
|
|
splx(s);
|
|
|
|
n = q_to_b(&tp->t_outq, buf, sizeof(buf));
|
|
|
|
if (WSSCREEN_HAS_EMULATOR(scr))
|
|
(*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie,
|
|
buf, n, 0);
|
|
|
|
s = spltty();
|
|
tp->t_state &= ~TS_BUSY;
|
|
/* Come back if there's more to do */
|
|
if (tp->t_outq.c_cc) {
|
|
tp->t_state |= TS_TIMEOUT;
|
|
timeout(ttrstrt, tp, (hz > 128) ? (hz / 128) : 1);
|
|
}
|
|
if (tp->t_outq.c_cc <= tp->t_lowat) {
|
|
if (tp->t_state&TS_ASLEEP) {
|
|
tp->t_state &= ~TS_ASLEEP;
|
|
wakeup((caddr_t)&tp->t_outq);
|
|
}
|
|
selwakeup(&tp->t_wsel);
|
|
}
|
|
splx(s);
|
|
}
|
|
#endif /* NWSDISPLAY > 0 */
|
|
|
|
void
|
|
wsdisplaystop(tp, flag)
|
|
struct tty *tp;
|
|
int flag;
|
|
{
|
|
int s;
|
|
|
|
s = spltty();
|
|
if (ISSET(tp->t_state, TS_BUSY))
|
|
if (!ISSET(tp->t_state, TS_TTSTOP))
|
|
SET(tp->t_state, TS_FLUSH);
|
|
splx(s);
|
|
}
|
|
|
|
#if NWSDISPLAY > 0
|
|
/* Set line parameters. */
|
|
int
|
|
wsdisplayparam(tp, t)
|
|
struct tty *tp;
|
|
struct termios *t;
|
|
{
|
|
|
|
tp->t_ispeed = t->c_ispeed;
|
|
tp->t_ospeed = t->c_ospeed;
|
|
tp->t_cflag = t->c_cflag;
|
|
return 0;
|
|
}
|
|
#endif /* NWSDISPLAY > 0 */
|
|
|
|
/*
|
|
* Callbacks for the emulation code.
|
|
*/
|
|
void
|
|
wsdisplay_emulbell(v)
|
|
void *v;
|
|
{
|
|
struct wsscreen *scr = v;
|
|
|
|
if (scr == NULL) /* console, before real attach */
|
|
return;
|
|
|
|
if (scr->scr_flags & SCR_GRAPHICS) /* can this happen? */
|
|
return;
|
|
|
|
(void) wsdisplay_internal_ioctl(scr->sc, scr, WSKBDIO_BELL, NULL,
|
|
FWRITE, NULL);
|
|
}
|
|
|
|
void
|
|
wsdisplay_emulinput(v, data, count)
|
|
void *v;
|
|
const u_char *data;
|
|
u_int count;
|
|
{
|
|
struct wsscreen *scr = v;
|
|
struct tty *tp;
|
|
|
|
if (v == NULL) /* console, before real attach */
|
|
return;
|
|
|
|
if (scr->scr_flags & SCR_GRAPHICS) /* XXX can't happen */
|
|
return;
|
|
if (!WSSCREEN_HAS_TTY(scr))
|
|
return;
|
|
|
|
tp = scr->scr_tty;
|
|
while (count-- > 0)
|
|
(*linesw[tp->t_line].l_rint)(*data++, tp);
|
|
};
|
|
|
|
/*
|
|
* Calls from the keyboard interface.
|
|
*/
|
|
void
|
|
wsdisplay_kbdinput(dev, ks)
|
|
struct device *dev;
|
|
keysym_t ks;
|
|
{
|
|
struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev;
|
|
struct wsscreen *scr;
|
|
char *dp;
|
|
int count;
|
|
struct tty *tp;
|
|
|
|
KASSERT(sc != NULL);
|
|
|
|
scr = sc->sc_focus;
|
|
KASSERT(scr != NULL);
|
|
|
|
if (!WSSCREEN_HAS_TTY(scr))
|
|
return;
|
|
|
|
tp = scr->scr_tty;
|
|
|
|
if (KS_GROUP(ks) == KS_GROUP_Ascii)
|
|
(*linesw[tp->t_line].l_rint)(KS_VALUE(ks), tp);
|
|
else if (WSSCREEN_HAS_EMULATOR(scr)) {
|
|
count = (*scr->scr_dconf->wsemul->translate)
|
|
(scr->scr_dconf->wsemulcookie, ks, &dp);
|
|
while (count-- > 0)
|
|
(*linesw[tp->t_line].l_rint)(*dp++, tp);
|
|
}
|
|
}
|
|
|
|
#ifdef WSDISPLAY_COMPAT_RAWKBD
|
|
int
|
|
wsdisplay_update_rawkbd(sc, scr)
|
|
struct wsdisplay_softc *sc;
|
|
struct wsscreen *scr;
|
|
{
|
|
int s, data, error;
|
|
s = spltty();
|
|
|
|
if (!sc->sc_kbddv ||
|
|
scr != sc->sc_focus ||
|
|
sc->sc_rawkbd == scr->scr_rawkbd) {
|
|
splx(s);
|
|
return (0);
|
|
}
|
|
|
|
data = (scr->scr_rawkbd ? WSKBD_RAW : WSKBD_TRANSLATED);
|
|
error = wskbd_displayioctl(sc->sc_kbddv, WSKBDIO_SETMODE,
|
|
(caddr_t)&data, 0, 0);
|
|
if (!error)
|
|
sc->sc_rawkbd = scr->scr_rawkbd;
|
|
splx(s);
|
|
return (error);
|
|
}
|
|
#endif
|
|
|
|
int
|
|
wsdisplay_switch1(arg, waitok)
|
|
void *arg;
|
|
int waitok;
|
|
{
|
|
struct wsdisplay_softc *sc = arg;
|
|
int no;
|
|
struct wsscreen *scr;
|
|
|
|
if (!(sc->sc_flags & SC_SWITCHPENDING)) {
|
|
printf("wsdisplay_switchto: not switching\n");
|
|
return (EINVAL);
|
|
}
|
|
|
|
no = sc->sc_screenwanted;
|
|
if (no < 0 || no >= WSDISPLAY_MAXSCREEN)
|
|
panic("wsdisplay_switch1: invalid screen %d", no);
|
|
scr = sc->sc_scr[no];
|
|
if (!scr) {
|
|
printf("wsdisplay_switch1: screen %d disappeared\n", no);
|
|
sc->sc_flags &= ~SC_SWITCHPENDING;
|
|
return (ENXIO);
|
|
}
|
|
|
|
(*sc->sc_accessops->show_screen)(sc->sc_accesscookie,
|
|
scr->scr_dconf->emulcookie);
|
|
sc->sc_focusidx = no;
|
|
sc->sc_focus = scr;
|
|
|
|
#ifdef WSDISPLAY_COMPAT_RAWKBD
|
|
(void) wsdisplay_update_rawkbd(sc, scr);
|
|
#endif
|
|
/* keyboard map??? */
|
|
|
|
if (scr->scr_syncops) {
|
|
(*scr->scr_syncops->attach)(scr->scr_synccookie, waitok);
|
|
/* XXX error handling */
|
|
}
|
|
|
|
sc->sc_flags &= ~SC_SWITCHPENDING;
|
|
|
|
if (scr->scr_flags & SCR_WAITACTIVE)
|
|
wakeup(scr);
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
wsdisplay_switch(dev, no, waitok)
|
|
struct device *dev;
|
|
int no, waitok;
|
|
{
|
|
struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev;
|
|
int s, res = 0;
|
|
struct wsscreen *scr;
|
|
|
|
if (no < 0 || no >= WSDISPLAY_MAXSCREEN || !sc->sc_scr[no])
|
|
return (ENXIO);
|
|
|
|
s = spltty();
|
|
|
|
if (no == sc->sc_focusidx) {
|
|
splx(s);
|
|
return (0);
|
|
}
|
|
|
|
if (sc->sc_flags & SC_SWITCHPENDING) {
|
|
splx(s);
|
|
return (EBUSY);
|
|
}
|
|
|
|
sc->sc_flags |= SC_SWITCHPENDING;
|
|
sc->sc_screenwanted = no;
|
|
|
|
splx(s);
|
|
|
|
scr = sc->sc_focus;
|
|
|
|
#define wsswitch_callback ((void (*) __P((void *, int)))wsdisplay_switch1)
|
|
if (scr->scr_syncops) {
|
|
res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok,
|
|
wsswitch_callback, sc);
|
|
if (res == EAGAIN) {
|
|
/* switch will be done asynchronously */
|
|
return (0);
|
|
}
|
|
} else if (scr->scr_flags & SCR_GRAPHICS) {
|
|
/* no way to save state */
|
|
res = EBUSY;
|
|
}
|
|
|
|
if (res) {
|
|
sc->sc_flags &= ~SC_SWITCHPENDING;
|
|
return (res);
|
|
} else
|
|
return (wsdisplay_switch1(sc, waitok));
|
|
}
|
|
|
|
/*
|
|
* Interface for (external) VT switch / process synchronization code
|
|
*/
|
|
int
|
|
wsscreen_attach_sync(scr, ops, cookie)
|
|
struct wsscreen *scr;
|
|
const struct wscons_syncops *ops;
|
|
void *cookie;
|
|
{
|
|
if (scr->scr_syncops) {
|
|
/*
|
|
* The screen is already claimed.
|
|
* Check if the owner is still alive.
|
|
*/
|
|
if ((*scr->scr_syncops->check)(scr->scr_synccookie))
|
|
return (EBUSY);
|
|
}
|
|
scr->scr_syncops = ops;
|
|
scr->scr_synccookie = cookie;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
wsscreen_detach_sync(scr)
|
|
struct wsscreen *scr;
|
|
{
|
|
if (!scr->scr_syncops)
|
|
return (EINVAL);
|
|
scr->scr_syncops = 0;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
wsscreen_lookup_sync(scr, ops, cookiep)
|
|
struct wsscreen *scr;
|
|
const struct wscons_syncops *ops; /* used as ID */
|
|
void **cookiep;
|
|
{
|
|
if (!scr->scr_syncops || ops != scr->scr_syncops)
|
|
return (EINVAL);
|
|
*cookiep = scr->scr_synccookie;
|
|
return (0);
|
|
}
|
|
|
|
/*
|
|
* Interface to virtual screen stuff
|
|
*/
|
|
int
|
|
wsdisplay_maxscreenidx(sc)
|
|
struct wsdisplay_softc *sc;
|
|
{
|
|
return (WSDISPLAY_MAXSCREEN - 1);
|
|
}
|
|
|
|
int
|
|
wsdisplay_screenstate(sc, idx)
|
|
struct wsdisplay_softc *sc;
|
|
int idx;
|
|
{
|
|
if (idx >= WSDISPLAY_MAXSCREEN)
|
|
return (EINVAL);
|
|
if (!sc->sc_scr[idx])
|
|
return (ENXIO);
|
|
return ((sc->sc_scr[idx]->scr_flags & SCR_OPEN) ? EBUSY : 0);
|
|
}
|
|
|
|
int
|
|
wsdisplay_getactivescreen(sc)
|
|
struct wsdisplay_softc *sc;
|
|
{
|
|
return (sc->sc_focusidx);
|
|
}
|
|
|
|
int
|
|
wsscreen_switchwait(sc, no)
|
|
struct wsdisplay_softc *sc;
|
|
int no;
|
|
{
|
|
struct wsscreen *scr;
|
|
int s, res = 0;
|
|
|
|
if (no < 0 || no >= WSDISPLAY_MAXSCREEN)
|
|
return (ENXIO);
|
|
scr = sc->sc_scr[no];
|
|
if (!scr)
|
|
return (ENXIO);
|
|
|
|
s = spltty();
|
|
if (scr != sc->sc_focus) {
|
|
scr->scr_flags |= SCR_WAITACTIVE;
|
|
res = tsleep(scr, PCATCH, "wswait", 0);
|
|
scr->scr_flags &= ~SCR_WAITACTIVE;
|
|
}
|
|
splx(s);
|
|
return (res);
|
|
}
|
|
|
|
void
|
|
wsdisplay_kbdholdscreen(dev, hold)
|
|
struct device *dev;
|
|
int hold;
|
|
{
|
|
struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev;
|
|
struct wsscreen *scr;
|
|
|
|
scr = sc->sc_focus;
|
|
|
|
if (hold)
|
|
scr->scr_hold_screen = 1;
|
|
else {
|
|
scr->scr_hold_screen = 0;
|
|
timeout(ttrstrt, scr->scr_tty, 0); /* "immediate" */
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Calls from the glue code.
|
|
*/
|
|
int
|
|
wsdisplay_is_console(dv)
|
|
struct device *dv;
|
|
{
|
|
struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dv;
|
|
|
|
KASSERT(sc != NULL);
|
|
return (sc->sc_isconsole);
|
|
}
|
|
|
|
int
|
|
wsdisplay_has_emulator(dv)
|
|
struct device *dv;
|
|
{
|
|
struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dv;
|
|
struct wsscreen *scr;
|
|
|
|
scr = sc->sc_focus; /* ??? */
|
|
|
|
KASSERT(sc != NULL);
|
|
KASSERT(scr != NULL);
|
|
return (WSSCREEN_HAS_EMULATOR(scr)); /* XXX XXX */
|
|
}
|
|
|
|
struct device *
|
|
wsdisplay_kbd(dv)
|
|
struct device *dv;
|
|
{
|
|
struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dv;
|
|
|
|
KASSERT(sc != NULL);
|
|
return (sc->sc_kbddv);
|
|
}
|
|
|
|
void
|
|
wsdisplay_set_kbd(dv, kbddv)
|
|
struct device *dv, *kbddv;
|
|
{
|
|
struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dv;
|
|
|
|
KASSERT(sc != NULL);
|
|
if (sc->sc_kbddv) {
|
|
/* disable old keyboard */
|
|
wskbd_enable(sc->sc_kbddv, 0);
|
|
}
|
|
if (kbddv) {
|
|
/* enable new keyboard */
|
|
wskbd_enable(kbddv, 1);
|
|
}
|
|
sc->sc_kbddv = kbddv;
|
|
}
|
|
|
|
/*
|
|
* Console interface.
|
|
*/
|
|
void
|
|
wsdisplay_cnputc(dev, i)
|
|
dev_t dev;
|
|
int i;
|
|
{
|
|
struct wsdisplay_conf *dc;
|
|
char c = i;
|
|
|
|
if (!wsdisplay_console_initted)
|
|
return;
|
|
|
|
if (wsdisplay_console_device != NULL &&
|
|
(wsdisplay_console_device->sc_scr[0]->scr_flags & SCR_GRAPHICS))
|
|
return;
|
|
|
|
dc = &wsdisplay_console_conf;
|
|
(*dc->wsemul->output)(dc->wsemulcookie, &c, 1, 1);
|
|
}
|
|
|
|
static int
|
|
wsdisplay_getc_dummy(dev)
|
|
dev_t dev;
|
|
{
|
|
/* panic? */
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
wsdisplay_pollc_dummy(dev, on)
|
|
dev_t dev;
|
|
int on;
|
|
{
|
|
}
|
|
|
|
void
|
|
wsdisplay_set_cons_kbd(get, poll)
|
|
int (*get) __P((dev_t));
|
|
void (*poll) __P((dev_t, int));
|
|
{
|
|
wsdisplay_cons.cn_getc = get;
|
|
wsdisplay_cons.cn_pollc = poll;
|
|
}
|