1773 lines
40 KiB
C
1773 lines
40 KiB
C
/* $NetBSD: wsdisplay.c,v 1.58 2001/10/28 10:30:22 augustss 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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#include "opt_wsdisplay_compat.h"
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#include "opt_compat_netbsd.h"
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#include "wskbd.h"
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#include "wsmux.h"
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#include "wsdisplay.h"
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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: wsdisplay.c,v 1.58 2001/10/28 10:30:22 augustss 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 <sys/vnode.h>
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#include <dev/wscons/wseventvar.h>
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#include <dev/wscons/wsmuxvar.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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struct wsscreen_internal {
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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 wsscreen_internal *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(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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void wsscreen_detach(struct wsscreen *);
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int wsdisplay_addscreen(struct wsdisplay_softc *, int, const char *, const char *);
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static void wsdisplay_shutdownhook(void *);
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static void wsdisplay_addscreen_print(struct wsdisplay_softc *, int, int);
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static void wsdisplay_closescreen(struct wsdisplay_softc *, struct wsscreen *);
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int wsdisplay_delscreen(struct wsdisplay_softc *, int, int);
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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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const struct wsscreen_list *sc_scrdata;
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struct wsscreen *sc_scr[WSDISPLAY_MAXSCREEN];
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int sc_focusidx; /* available only if sc_focus isn't null */
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struct wsscreen *sc_focus;
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int sc_isconsole;
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int sc_flags;
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#define SC_SWITCHPENDING 1
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int sc_screenwanted, sc_oldscreen; /* valid with SC_SWITCHPENDING */
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#if NWSKBD > 0
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struct wsevsrc *sc_input;
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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int sc_rawkbd;
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#endif
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#endif /* NWSKBD > 0 */
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};
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extern struct cfdriver wsdisplay_cd;
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/* Autoconfiguration definitions. */
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static int wsdisplay_emul_match(struct device *, struct cfdata *, void *);
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static void wsdisplay_emul_attach(struct device *, struct device *, void *);
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static int wsdisplay_noemul_match(struct device *, struct cfdata *, void *);
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static void wsdisplay_noemul_attach(struct device *, struct device *, 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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static void wsdisplaystart(struct tty *);
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static int wsdisplayparam(struct tty *, struct termios *);
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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 ISWSDISPLAYCTL(dev) (WSDISPLAYSCREEN(dev) == 255)
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#define WSDISPLAYMINOR(unit, screen) (((unit) << 8) | (screen))
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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(struct wsdisplay_softc *sc,
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int console, int kbdmux, 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(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 wsscreen_internal wsdisplay_console_conf;
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static int wsdisplay_getc_dummy(dev_t);
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static void wsdisplay_pollc(dev_t, int);
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static int wsdisplay_cons_pollmode;
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static void (*wsdisplay_cons_kbd_pollc)(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, NULL, NODEV, CN_NORMAL
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};
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#ifndef WSDISPLAY_DEFAULTSCREENS
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# define WSDISPLAY_DEFAULTSCREENS 0
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#endif
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int wsdisplay_defaultscreens = WSDISPLAY_DEFAULTSCREENS;
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int wsdisplay_switch1(void *, int, int);
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int wsdisplay_switch2(void *, int, int);
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int wsdisplay_switch3(void *, int, int);
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int wsdisplay_clearonclose;
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struct wsscreen *
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wsscreen_attach(struct wsdisplay_softc *sc, int console, const char *emul,
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const struct wsscreen_descr *type, void *cookie, int ccol,
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int crow, long defattr)
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{
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struct wsscreen_internal *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 wsscreen_internal),
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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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if (dconf->wsemul == NULL) {
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free(dconf, M_DEVBUF);
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free(scr, M_DEVBUF);
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return (NULL);
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}
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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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void
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wsscreen_detach(struct wsscreen *scr)
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{
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int ccol, crow; /* XXX */
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if (WSSCREEN_HAS_TTY(scr)) {
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tty_detach(scr->scr_tty);
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ttyfree(scr->scr_tty);
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}
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if (WSSCREEN_HAS_EMULATOR(scr))
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(*scr->scr_dconf->wsemul->detach)(scr->scr_dconf->wsemulcookie,
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&ccol, &crow);
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free(scr->scr_dconf, M_DEVBUF);
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free(scr, M_DEVBUF);
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}
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const struct wsscreen_descr *
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wsdisplay_screentype_pick(const struct wsscreen_list *scrdata, const char *name)
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{
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int i;
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const struct wsscreen_descr *scr;
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KASSERT(scrdata->nscreens > 0);
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if (name == NULL)
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return (scrdata->screens[0]);
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for (i = 0; i < scrdata->nscreens; i++) {
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scr = scrdata->screens[i];
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if (!strcmp(name, scr->name))
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return (scr);
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}
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return (0);
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}
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/*
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* print info about attached screen
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*/
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static void
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wsdisplay_addscreen_print(struct wsdisplay_softc *sc, int idx, int count)
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{
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printf("%s: screen %d", sc->sc_dv.dv_xname, idx);
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if (count > 1)
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printf("-%d", idx + (count-1));
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printf(" added (%s", sc->sc_scr[idx]->scr_dconf->scrdata->name);
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if (WSSCREEN_HAS_EMULATOR(sc->sc_scr[idx])) {
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printf(", %s emulation",
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sc->sc_scr[idx]->scr_dconf->wsemul->name);
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}
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printf(")\n");
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}
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int
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wsdisplay_addscreen(struct wsdisplay_softc *sc, int idx,
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const char *screentype, const char *emul)
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{
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const struct wsscreen_descr *scrdesc;
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int error;
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void *cookie;
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int ccol, crow;
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long defattr;
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struct wsscreen *scr;
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int s;
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if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN)
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return (EINVAL);
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if (sc->sc_scr[idx] != NULL)
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return (EBUSY);
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scrdesc = wsdisplay_screentype_pick(sc->sc_scrdata, screentype);
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if (!scrdesc)
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return (ENXIO);
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error = (*sc->sc_accessops->alloc_screen)(sc->sc_accesscookie,
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scrdesc, &cookie, &ccol, &crow, &defattr);
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if (error)
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return (error);
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scr = wsscreen_attach(sc, 0, emul, scrdesc,
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cookie, ccol, crow, defattr);
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if (scr == NULL) {
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(*sc->sc_accessops->free_screen)(sc->sc_accesscookie,
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cookie);
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return (ENXIO);
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}
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sc->sc_scr[idx] = scr;
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/* if no screen has focus yet, activate the first we get */
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s = spltty();
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if (!sc->sc_focus) {
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(*sc->sc_accessops->show_screen)(sc->sc_accesscookie,
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scr->scr_dconf->emulcookie,
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0, 0, 0);
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sc->sc_focusidx = idx;
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sc->sc_focus = scr;
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}
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splx(s);
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return (0);
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}
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static void
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wsdisplay_closescreen(struct wsdisplay_softc *sc, struct wsscreen *scr)
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{
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int maj, mn, idx;
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/* hangup */
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if (WSSCREEN_HAS_TTY(scr)) {
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struct tty *tp = scr->scr_tty;
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(*tp->t_linesw->l_modem)(tp, 0);
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}
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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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/* locate the screen index */
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for (idx = 0; idx < WSDISPLAY_MAXSCREEN; idx++)
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if (scr == sc->sc_scr[idx])
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break;
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#ifdef DIAGNOSTIC
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if (idx == WSDISPLAY_MAXSCREEN)
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panic("wsdisplay_forceclose: bad screen");
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#endif
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/* nuke the vnodes */
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mn = WSDISPLAYMINOR(sc->sc_dv.dv_unit, idx);
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vdevgone(maj, mn, mn, VCHR);
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}
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int
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wsdisplay_delscreen(struct wsdisplay_softc *sc, int idx, int flags)
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{
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struct wsscreen *scr;
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int s;
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void *cookie;
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if (idx < 0 || idx >= WSDISPLAY_MAXSCREEN)
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return (EINVAL);
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scr = sc->sc_scr[idx];
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if (!scr)
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return (ENXIO);
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if (scr->scr_dconf == &wsdisplay_console_conf ||
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scr->scr_syncops ||
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((scr->scr_flags & SCR_OPEN) && !(flags & WSDISPLAY_DELSCR_FORCE)))
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return(EBUSY);
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wsdisplay_closescreen(sc, scr);
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/*
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* delete pointers, so neither device entries
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* nor keyboard input can reference it anymore
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*/
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s = spltty();
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if (sc->sc_focus == scr) {
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sc->sc_focus = 0;
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#ifdef WSDISPLAY_COMPAT_RAWKBD
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wsdisplay_update_rawkbd(sc, 0);
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#endif
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}
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sc->sc_scr[idx] = 0;
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splx(s);
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/*
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* Wake up processes waiting for the screen to
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* be activated. Sleepers must check whether
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* the screen still exists.
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*/
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if (scr->scr_flags & SCR_WAITACTIVE)
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wakeup(scr);
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/* save a reference to the graphics screen */
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cookie = scr->scr_dconf->emulcookie;
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wsscreen_detach(scr);
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(*sc->sc_accessops->free_screen)(sc->sc_accesscookie,
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cookie);
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printf("%s: screen %d deleted\n", sc->sc_dv.dv_xname, idx);
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return (0);
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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(struct device *parent, struct cfdata *match, 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(struct device *parent, struct device *self, 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,
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sc->sc_dv.dv_cfdata->wsemuldisplaydevcf_kbdmux, 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(void *aux, 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)
|
|
printf("wsdisplay at %s", pnp);
|
|
#if 0 /* don't bother; it's ugly */
|
|
printf(" console %d", ap->console);
|
|
#endif
|
|
|
|
return (UNCONF);
|
|
}
|
|
|
|
int
|
|
wsdisplay_noemul_match(struct device *parent, struct cfdata *match, void *aux)
|
|
{
|
|
#if 0 /* -Wunused */
|
|
struct wsdisplaydev_attach_args *ap = aux;
|
|
#endif
|
|
|
|
/* Always match. */
|
|
return (1);
|
|
}
|
|
|
|
void
|
|
wsdisplay_noemul_attach(struct device *parent, struct device *self, void *aux)
|
|
{
|
|
struct wsdisplay_softc *sc = (struct wsdisplay_softc *)self;
|
|
struct wsdisplaydev_attach_args *ap = aux;
|
|
|
|
wsdisplay_common_attach(sc, 0,
|
|
sc->sc_dv.dv_cfdata->wsemuldisplaydevcf_kbdmux, NULL,
|
|
ap->accessops, ap->accesscookie);
|
|
}
|
|
|
|
/* Print function (for parent devices). */
|
|
int
|
|
wsdisplaydevprint(void *aux, const char *pnp)
|
|
{
|
|
#if 0 /* -Wunused */
|
|
struct wsdisplaydev_attach_args *ap = aux;
|
|
#endif
|
|
|
|
if (pnp)
|
|
printf("wsdisplay at %s", pnp);
|
|
|
|
return (UNCONF);
|
|
}
|
|
|
|
static void
|
|
wsdisplay_common_attach(struct wsdisplay_softc *sc, int console, int kbdmux,
|
|
const struct wsscreen_list *scrdata,
|
|
const struct wsdisplay_accessops *accessops,
|
|
void *accesscookie)
|
|
{
|
|
static int hookset;
|
|
int i, start=0;
|
|
#if NWSKBD > 0
|
|
struct wsevsrc *kme;
|
|
#if NWSMUX > 0
|
|
struct wsevsrc *inp;
|
|
|
|
if (kbdmux >= 0)
|
|
inp = &wsmux_getmux(kbdmux)->sc_base;
|
|
else
|
|
inp = &wsmux_create("dmux", sc->sc_dv.dv_unit)->sc_base;
|
|
/* XXX panic()ing isn't nice, but attach cannot fail */
|
|
if (inp == NULL)
|
|
panic("wsdisplay_common_attach: no memory\n");
|
|
sc->sc_input = inp;
|
|
inp->me_dispdv = &sc->sc_dv;
|
|
printf(" kbdmux %d", kbdmux);
|
|
#else
|
|
if (kbdmux >= 0)
|
|
printf(" (kbdmux ignored)");
|
|
#endif
|
|
#endif
|
|
|
|
sc->sc_isconsole = console;
|
|
|
|
if (console) {
|
|
KASSERT(wsdisplay_console_initted);
|
|
KASSERT(wsdisplay_console_device == NULL);
|
|
|
|
sc->sc_scr[0] = wsscreen_attach(sc, 1, 0, 0, 0, 0, 0, 0);
|
|
wsdisplay_console_device = sc;
|
|
|
|
printf(": console (%s, %s emulation)",
|
|
wsdisplay_console_conf.scrdata->name,
|
|
wsdisplay_console_conf.wsemul->name);
|
|
|
|
#if NWSKBD > 0
|
|
kme = wskbd_set_console_display(&sc->sc_dv, sc->sc_input);
|
|
if (kme != NULL)
|
|
printf(", using %s", kme->me_dv.dv_xname);
|
|
#if NWSMUX == 0
|
|
sc->sc_input = kme;
|
|
#endif
|
|
#endif
|
|
|
|
sc->sc_focusidx = 0;
|
|
sc->sc_focus = sc->sc_scr[0];
|
|
start = 1;
|
|
}
|
|
printf("\n");
|
|
|
|
sc->sc_accessops = accessops;
|
|
sc->sc_accesscookie = accesscookie;
|
|
sc->sc_scrdata = scrdata;
|
|
|
|
/*
|
|
* Set up a number of virtual screens if wanted. The
|
|
* WSDISPLAYIO_ADDSCREEN ioctl is more flexible, so this code
|
|
* is for special cases like installation kernels.
|
|
*/
|
|
for (i = start; i < wsdisplay_defaultscreens; i++) {
|
|
if (wsdisplay_addscreen(sc, i, 0, 0))
|
|
break;
|
|
}
|
|
|
|
if (i > start)
|
|
wsdisplay_addscreen_print(sc, start, i-start);
|
|
|
|
if (hookset == 0)
|
|
shutdownhook_establish(wsdisplay_shutdownhook, NULL);
|
|
hookset = 1;
|
|
}
|
|
|
|
void
|
|
wsdisplay_cnattach(const struct wsscreen_descr *type, void *cookie,
|
|
int ccol, int crow, long defattr)
|
|
{
|
|
const struct wsemul_ops *wsemul;
|
|
|
|
KASSERT(!wsdisplay_console_initted);
|
|
KASSERT(type->nrows > 0);
|
|
KASSERT(type->ncols > 0);
|
|
KASSERT(crow < type->nrows);
|
|
KASSERT(ccol < type->ncols);
|
|
|
|
wsdisplay_console_conf.emulops = type->textops;
|
|
wsdisplay_console_conf.emulcookie = cookie;
|
|
wsdisplay_console_conf.scrdata = type;
|
|
|
|
wsemul = wsemul_pick(0); /* default */
|
|
wsdisplay_console_conf.wsemul = wsemul;
|
|
wsdisplay_console_conf.wsemulcookie = (*wsemul->cnattach)(type, cookie,
|
|
ccol, crow,
|
|
defattr);
|
|
|
|
cn_tab = &wsdisplay_cons;
|
|
wsdisplay_console_initted = 1;
|
|
}
|
|
|
|
/*
|
|
* Tty and cdevsw functions.
|
|
*/
|
|
int
|
|
wsdisplayopen(dev_t dev, int flag, int mode, struct proc *p)
|
|
{
|
|
struct wsdisplay_softc *sc;
|
|
struct tty *tp;
|
|
int newopen, error;
|
|
struct wsscreen *scr;
|
|
|
|
sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev));
|
|
if (sc == NULL) /* make sure it was attached */
|
|
return (ENXIO);
|
|
|
|
if (ISWSDISPLAYCTL(dev))
|
|
return (0);
|
|
|
|
if (WSDISPLAYSCREEN(dev) >= WSDISPLAY_MAXSCREEN)
|
|
return (ENXIO);
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
if (!scr)
|
|
return (ENXIO);
|
|
|
|
if (WSSCREEN_HAS_TTY(scr)) {
|
|
tp = scr->scr_tty;
|
|
tp->t_oproc = wsdisplaystart;
|
|
tp->t_param = wsdisplayparam;
|
|
tp->t_dev = dev;
|
|
newopen = (tp->t_state & TS_ISOPEN) == 0;
|
|
if (newopen) {
|
|
ttychars(tp);
|
|
tp->t_iflag = TTYDEF_IFLAG;
|
|
tp->t_oflag = TTYDEF_OFLAG;
|
|
tp->t_cflag = TTYDEF_CFLAG;
|
|
tp->t_lflag = TTYDEF_LFLAG;
|
|
tp->t_ispeed = tp->t_ospeed = TTYDEF_SPEED;
|
|
wsdisplayparam(tp, &tp->t_termios);
|
|
ttsetwater(tp);
|
|
} else if ((tp->t_state & TS_XCLUDE) != 0 &&
|
|
p->p_ucred->cr_uid != 0)
|
|
return EBUSY;
|
|
tp->t_state |= TS_CARR_ON;
|
|
|
|
error = ((*tp->t_linesw->l_open)(dev, tp));
|
|
if (error)
|
|
return (error);
|
|
|
|
if (newopen && WSSCREEN_HAS_EMULATOR(scr)) {
|
|
/* set window sizes as appropriate, and reset
|
|
the emulation */
|
|
tp->t_winsize.ws_row = scr->scr_dconf->scrdata->nrows;
|
|
tp->t_winsize.ws_col = scr->scr_dconf->scrdata->ncols;
|
|
|
|
/* wsdisplay_set_emulation() */
|
|
}
|
|
}
|
|
|
|
scr->scr_flags |= SCR_OPEN;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
wsdisplayclose(dev_t dev, int flag, int mode, struct proc *p)
|
|
{
|
|
struct wsdisplay_softc *sc;
|
|
struct tty *tp;
|
|
struct wsscreen *scr;
|
|
|
|
sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev));
|
|
|
|
if (ISWSDISPLAYCTL(dev))
|
|
return (0);
|
|
|
|
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;
|
|
(*tp->t_linesw->l_close)(tp, flag);
|
|
ttyclose(tp);
|
|
}
|
|
|
|
if (scr->scr_syncops)
|
|
(*scr->scr_syncops->destroy)(scr->scr_synccookie);
|
|
|
|
if (WSSCREEN_HAS_EMULATOR(scr)) {
|
|
scr->scr_flags &= ~SCR_GRAPHICS;
|
|
(*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie,
|
|
WSEMUL_RESET);
|
|
if (wsdisplay_clearonclose)
|
|
(*scr->scr_dconf->wsemul->reset)
|
|
(scr->scr_dconf->wsemulcookie,
|
|
WSEMUL_CLEARSCREEN);
|
|
}
|
|
|
|
#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);
|
|
}
|
|
|
|
int
|
|
wsdisplayread(dev_t dev, struct uio *uio, int flag)
|
|
{
|
|
struct wsdisplay_softc *sc;
|
|
struct tty *tp;
|
|
struct wsscreen *scr;
|
|
|
|
sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev));
|
|
|
|
if (ISWSDISPLAYCTL(dev))
|
|
return (0);
|
|
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
|
|
if (!WSSCREEN_HAS_TTY(scr))
|
|
return (ENODEV);
|
|
|
|
tp = scr->scr_tty;
|
|
return ((*tp->t_linesw->l_read)(tp, uio, flag));
|
|
}
|
|
|
|
int
|
|
wsdisplaywrite(dev_t dev, struct uio *uio, int flag)
|
|
{
|
|
struct wsdisplay_softc *sc;
|
|
struct tty *tp;
|
|
struct wsscreen *scr;
|
|
|
|
sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev));
|
|
|
|
if (ISWSDISPLAYCTL(dev))
|
|
return (0);
|
|
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
|
|
if (!WSSCREEN_HAS_TTY(scr))
|
|
return (ENODEV);
|
|
|
|
tp = scr->scr_tty;
|
|
return ((*tp->t_linesw->l_write)(tp, uio, flag));
|
|
}
|
|
|
|
int
|
|
wsdisplaypoll(dev_t dev, int events, struct proc *p)
|
|
{
|
|
struct wsdisplay_softc *sc;
|
|
struct tty *tp;
|
|
struct wsscreen *scr;
|
|
|
|
sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev));
|
|
|
|
if (ISWSDISPLAYCTL(dev))
|
|
return (0);
|
|
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
|
|
if (!WSSCREEN_HAS_TTY(scr))
|
|
return (ENODEV);
|
|
|
|
tp = scr->scr_tty;
|
|
return ((*tp->t_linesw->l_poll)(tp, events, p));
|
|
}
|
|
|
|
struct tty *
|
|
wsdisplaytty(dev_t dev)
|
|
{
|
|
struct wsdisplay_softc *sc;
|
|
struct wsscreen *scr;
|
|
|
|
sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev));
|
|
|
|
if (ISWSDISPLAYCTL(dev))
|
|
panic("wsdisplaytty() on ctl device");
|
|
|
|
scr = sc->sc_scr[WSDISPLAYSCREEN(dev)];
|
|
|
|
return (scr->scr_tty);
|
|
}
|
|
|
|
int
|
|
wsdisplayioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p)
|
|
{
|
|
struct wsdisplay_softc *sc;
|
|
struct tty *tp;
|
|
int error;
|
|
struct wsscreen *scr;
|
|
|
|
sc = device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev));
|
|
|
|
#ifdef WSDISPLAY_COMPAT_USL
|
|
error = wsdisplay_usl_ioctl1(sc, cmd, data, flag, p);
|
|
if (error >= 0)
|
|
return (error);
|
|
#endif
|
|
|
|
if (ISWSDISPLAYCTL(dev))
|
|
return (wsdisplay_cfg_ioctl(sc, cmd, data, flag, p));
|
|
|
|
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 = (*tp->t_linesw->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_ioctl2(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);
|
|
}
|
|
|
|
int
|
|
wsdisplay_param(struct device *dev, u_long cmd, struct wsdisplay_param *dp)
|
|
{
|
|
struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev;
|
|
return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd,
|
|
(caddr_t)dp, 0, NULL));
|
|
}
|
|
|
|
int
|
|
wsdisplay_internal_ioctl(struct wsdisplay_softc *sc, struct wsscreen *scr,
|
|
u_long cmd, caddr_t data, int flag, struct proc *p)
|
|
{
|
|
int error;
|
|
char namebuf[16];
|
|
struct wsdisplay_font fd;
|
|
|
|
#if NWSKBD > 0
|
|
struct wsevsrc *inp;
|
|
|
|
#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
|
|
inp = sc->sc_input;
|
|
if (inp == NULL)
|
|
return (ENXIO);
|
|
error = wsevsrc_display_ioctl(inp, cmd, data, flag, p);
|
|
if (error >= 0)
|
|
return (error);
|
|
#endif /* NWSKBD > 0 */
|
|
|
|
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);
|
|
|
|
(void)(*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
|
|
flag, p);
|
|
|
|
return (0);
|
|
#undef d
|
|
|
|
case WSDISPLAYIO_USEFONT:
|
|
#define d ((struct wsdisplay_usefontdata *)data)
|
|
if (!sc->sc_accessops->load_font)
|
|
return (EINVAL);
|
|
if (d->name) {
|
|
error = copyinstr(d->name, namebuf, sizeof(namebuf), 0);
|
|
if (error)
|
|
return (error);
|
|
fd.name = namebuf;
|
|
} else
|
|
fd.name = 0;
|
|
fd.data = 0;
|
|
error = (*sc->sc_accessops->load_font)(sc->sc_accesscookie,
|
|
scr->scr_dconf->emulcookie, &fd);
|
|
if (!error && WSSCREEN_HAS_EMULATOR(scr))
|
|
(*scr->scr_dconf->wsemul->reset)
|
|
(scr->scr_dconf->wsemulcookie, WSEMUL_SYNCFONT);
|
|
return (error);
|
|
#undef d
|
|
}
|
|
|
|
/* check ioctls for display */
|
|
return ((*sc->sc_accessops->ioctl)(sc->sc_accesscookie, cmd, data,
|
|
flag, p));
|
|
}
|
|
|
|
int
|
|
wsdisplay_cfg_ioctl(struct wsdisplay_softc *sc, u_long cmd, caddr_t data,
|
|
int flag, struct proc *p)
|
|
{
|
|
int error;
|
|
char *type, typebuf[16], *emul, emulbuf[16];
|
|
void *buf;
|
|
u_int fontsz;
|
|
#if defined(COMPAT_14) && NWSKBD > 0
|
|
struct wsmux_device wsmuxdata;
|
|
#endif
|
|
#if NWSKBD > 0
|
|
struct wsevsrc *inp;
|
|
#endif
|
|
|
|
switch (cmd) {
|
|
case WSDISPLAYIO_ADDSCREEN:
|
|
#define d ((struct wsdisplay_addscreendata *)data)
|
|
if (d->screentype) {
|
|
error = copyinstr(d->screentype, typebuf,
|
|
sizeof(typebuf), 0);
|
|
if (error)
|
|
return (error);
|
|
type = typebuf;
|
|
} else
|
|
type = 0;
|
|
if (d->emul) {
|
|
error = copyinstr(d->emul, emulbuf, sizeof(emulbuf),0);
|
|
if (error)
|
|
return (error);
|
|
emul = emulbuf;
|
|
} else
|
|
emul = 0;
|
|
|
|
if ((error = wsdisplay_addscreen(sc, d->idx, type, emul)) == 0)
|
|
wsdisplay_addscreen_print(sc, d->idx, 0);
|
|
return (error);
|
|
#undef d
|
|
case WSDISPLAYIO_DELSCREEN:
|
|
#define d ((struct wsdisplay_delscreendata *)data)
|
|
return (wsdisplay_delscreen(sc, d->idx, d->flags));
|
|
#undef d
|
|
case WSDISPLAYIO_LDFONT:
|
|
#define d ((struct wsdisplay_font *)data)
|
|
if (!sc->sc_accessops->load_font)
|
|
return (EINVAL);
|
|
if (d->name) {
|
|
error = copyinstr(d->name, typebuf, sizeof(typebuf), 0);
|
|
if (error)
|
|
return (error);
|
|
d->name = typebuf;
|
|
} else
|
|
d->name = "loaded"; /* ??? */
|
|
fontsz = d->fontheight * d->stride * d->numchars;
|
|
if (fontsz > WSDISPLAY_MAXFONTSZ)
|
|
return (EINVAL);
|
|
|
|
buf = malloc(fontsz, M_DEVBUF, M_WAITOK);
|
|
error = copyin(d->data, buf, fontsz);
|
|
if (error) {
|
|
free(buf, M_DEVBUF);
|
|
return (error);
|
|
}
|
|
d->data = buf;
|
|
error =
|
|
(*sc->sc_accessops->load_font)(sc->sc_accesscookie, 0, d);
|
|
free(buf, M_DEVBUF);
|
|
#undef d
|
|
return (error);
|
|
|
|
#if NWSKBD > 0
|
|
#ifdef COMPAT_14
|
|
case _O_WSDISPLAYIO_SETKEYBOARD:
|
|
#define d ((struct wsdisplay_kbddata *)data)
|
|
inp = sc->sc_input;
|
|
if (inp == NULL)
|
|
return (ENXIO);
|
|
switch (d->op) {
|
|
case _O_WSDISPLAY_KBD_ADD:
|
|
if (d->idx == -1) {
|
|
d->idx = wskbd_pickfree();
|
|
if (d->idx == -1)
|
|
return (ENXIO);
|
|
}
|
|
wsmuxdata.type = WSMUX_KBD;
|
|
wsmuxdata.idx = d->idx;
|
|
return (wsevsrc_ioctl(inp, WSMUX_ADD_DEVICE,
|
|
&wsmuxdata, flag, p));
|
|
case _O_WSDISPLAY_KBD_DEL:
|
|
wsmuxdata.type = WSMUX_KBD;
|
|
wsmuxdata.idx = d->idx;
|
|
return (wsevsrc_ioctl(inp, WSMUX_REMOVE_DEVICE,
|
|
&wsmuxdata, flag, p));
|
|
default:
|
|
return (EINVAL);
|
|
}
|
|
#undef d
|
|
#endif
|
|
|
|
case WSMUXIO_ADD_DEVICE:
|
|
#define d ((struct wsmux_device *)data)
|
|
if (d->idx == -1 && d->type == WSMUX_KBD)
|
|
d->idx = wskbd_pickfree();
|
|
#undef d
|
|
/* fall into */
|
|
case WSMUXIO_INJECTEVENT:
|
|
case WSMUXIO_REMOVE_DEVICE:
|
|
case WSMUXIO_LIST_DEVICES:
|
|
inp = sc->sc_input;
|
|
if (inp == NULL)
|
|
return (ENXIO);
|
|
return (wsevsrc_ioctl(inp, cmd, data, flag, p));
|
|
#endif /* NWSKBD > 0 */
|
|
|
|
}
|
|
return (EINVAL);
|
|
}
|
|
|
|
paddr_t
|
|
wsdisplaymmap(dev_t dev, off_t offset, int prot)
|
|
{
|
|
struct wsdisplay_softc *sc =
|
|
device_lookup(&wsdisplay_cd, WSDISPLAYUNIT(dev));
|
|
struct wsscreen *scr;
|
|
|
|
if (ISWSDISPLAYCTL(dev))
|
|
return (-1);
|
|
|
|
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));
|
|
}
|
|
|
|
void
|
|
wsdisplaystart(struct tty *tp)
|
|
{
|
|
struct wsdisplay_softc *sc;
|
|
struct wsscreen *scr;
|
|
int s, n;
|
|
u_char *buf;
|
|
|
|
s = spltty();
|
|
if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) {
|
|
splx(s);
|
|
return;
|
|
}
|
|
sc = device_lookup(&wsdisplay_cd, 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);
|
|
|
|
/*
|
|
* Drain output from ring buffer.
|
|
* The output will normally be in one contiguous chunk, but when the
|
|
* ring wraps, it will be in two pieces.. one at the end of the ring,
|
|
* the other at the start. For performance, rather than loop here,
|
|
* we output one chunk, see if there's another one, and if so, output
|
|
* it too.
|
|
*/
|
|
|
|
n = ndqb(&tp->t_outq, 0);
|
|
buf = tp->t_outq.c_cf;
|
|
|
|
if (!(scr->scr_flags & SCR_GRAPHICS)) {
|
|
KASSERT(WSSCREEN_HAS_EMULATOR(scr));
|
|
(*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie,
|
|
buf, n, 0);
|
|
}
|
|
ndflush(&tp->t_outq, n);
|
|
|
|
if ((n = ndqb(&tp->t_outq, 0)) > 0) {
|
|
buf = tp->t_outq.c_cf;
|
|
|
|
if (!(scr->scr_flags & SCR_GRAPHICS)) {
|
|
KASSERT(WSSCREEN_HAS_EMULATOR(scr));
|
|
(*scr->scr_dconf->wsemul->output)(scr->scr_dconf->wsemulcookie,
|
|
buf, n, 0);
|
|
}
|
|
ndflush(&tp->t_outq, n);
|
|
}
|
|
|
|
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;
|
|
callout_reset(&tp->t_rstrt_ch, (hz > 128) ? (hz / 128) : 1,
|
|
ttrstrt, tp);
|
|
}
|
|
if (tp->t_outq.c_cc <= tp->t_lowat) {
|
|
if (tp->t_state&TS_ASLEEP) {
|
|
tp->t_state &= ~TS_ASLEEP;
|
|
wakeup(&tp->t_outq);
|
|
}
|
|
selwakeup(&tp->t_wsel);
|
|
}
|
|
splx(s);
|
|
}
|
|
|
|
void
|
|
wsdisplaystop(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);
|
|
}
|
|
|
|
/* Set line parameters. */
|
|
int
|
|
wsdisplayparam(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;
|
|
}
|
|
|
|
/*
|
|
* Callbacks for the emulation code.
|
|
*/
|
|
void
|
|
wsdisplay_emulbell(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(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)
|
|
(*tp->t_linesw->l_rint)(*data++, tp);
|
|
};
|
|
|
|
/*
|
|
* Calls from the keyboard interface.
|
|
*/
|
|
void
|
|
wsdisplay_kbdinput(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;
|
|
|
|
if (!scr || !WSSCREEN_HAS_TTY(scr))
|
|
return;
|
|
|
|
tp = scr->scr_tty;
|
|
|
|
if (KS_GROUP(ks) == KS_GROUP_Ascii)
|
|
(*tp->t_linesw->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)
|
|
(*tp->t_linesw->l_rint)(*dp++, tp);
|
|
}
|
|
}
|
|
|
|
#if defined(WSDISPLAY_COMPAT_RAWKBD)
|
|
int
|
|
wsdisplay_update_rawkbd(struct wsdisplay_softc *sc, struct wsscreen *scr)
|
|
{
|
|
#if NWSKBD > 0
|
|
int s, raw, data, error;
|
|
struct wsevsrc *inp;
|
|
|
|
s = spltty();
|
|
|
|
raw = (scr ? scr->scr_rawkbd : 0);
|
|
|
|
if (scr != sc->sc_focus ||
|
|
sc->sc_rawkbd == raw) {
|
|
splx(s);
|
|
return (0);
|
|
}
|
|
|
|
data = raw ? WSKBD_RAW : WSKBD_TRANSLATED;
|
|
inp = sc->sc_input;
|
|
if (inp == NULL)
|
|
return (ENXIO);
|
|
error = wsevsrc_display_ioctl(inp, WSKBDIO_SETMODE, &data, 0, 0);
|
|
if (!error)
|
|
sc->sc_rawkbd = raw;
|
|
splx(s);
|
|
return (error);
|
|
#else
|
|
return (0);
|
|
#endif
|
|
}
|
|
#endif
|
|
|
|
int
|
|
wsdisplay_switch3(void *arg, int error, int waitok)
|
|
{
|
|
struct wsdisplay_softc *sc = arg;
|
|
int no;
|
|
struct wsscreen *scr;
|
|
|
|
if (!(sc->sc_flags & SC_SWITCHPENDING)) {
|
|
printf("wsdisplay_switch3: not switching\n");
|
|
return (EINVAL);
|
|
}
|
|
|
|
no = sc->sc_screenwanted;
|
|
if (no < 0 || no >= WSDISPLAY_MAXSCREEN)
|
|
panic("wsdisplay_switch3: invalid screen %d", no);
|
|
scr = sc->sc_scr[no];
|
|
if (!scr) {
|
|
printf("wsdisplay_switch3: screen %d disappeared\n", no);
|
|
error = ENXIO;
|
|
}
|
|
|
|
if (error) {
|
|
/* try to recover, avoid recursion */
|
|
|
|
if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) {
|
|
printf("wsdisplay_switch3: giving up\n");
|
|
sc->sc_focus = 0;
|
|
#ifdef WSDISPLAY_COMPAT_RAWKBD
|
|
wsdisplay_update_rawkbd(sc, 0);
|
|
#endif
|
|
sc->sc_flags &= ~SC_SWITCHPENDING;
|
|
return (error);
|
|
}
|
|
|
|
sc->sc_screenwanted = sc->sc_oldscreen;
|
|
sc->sc_oldscreen = WSDISPLAY_NULLSCREEN;
|
|
return (wsdisplay_switch1(arg, 0, waitok));
|
|
}
|
|
|
|
sc->sc_flags &= ~SC_SWITCHPENDING;
|
|
|
|
if (!error && (scr->scr_flags & SCR_WAITACTIVE))
|
|
wakeup(scr);
|
|
return (error);
|
|
}
|
|
|
|
int
|
|
wsdisplay_switch2(void *arg, int error, int waitok)
|
|
{
|
|
struct wsdisplay_softc *sc = arg;
|
|
int no;
|
|
struct wsscreen *scr;
|
|
|
|
if (!(sc->sc_flags & SC_SWITCHPENDING)) {
|
|
printf("wsdisplay_switch2: not switching\n");
|
|
return (EINVAL);
|
|
}
|
|
|
|
no = sc->sc_screenwanted;
|
|
if (no < 0 || no >= WSDISPLAY_MAXSCREEN)
|
|
panic("wsdisplay_switch2: invalid screen %d", no);
|
|
scr = sc->sc_scr[no];
|
|
if (!scr) {
|
|
printf("wsdisplay_switch2: screen %d disappeared\n", no);
|
|
error = ENXIO;
|
|
}
|
|
|
|
if (error) {
|
|
/* try to recover, avoid recursion */
|
|
|
|
if (sc->sc_oldscreen == WSDISPLAY_NULLSCREEN) {
|
|
printf("wsdisplay_switch2: giving up\n");
|
|
sc->sc_focus = 0;
|
|
sc->sc_flags &= ~SC_SWITCHPENDING;
|
|
return (error);
|
|
}
|
|
|
|
sc->sc_screenwanted = sc->sc_oldscreen;
|
|
sc->sc_oldscreen = WSDISPLAY_NULLSCREEN;
|
|
return (wsdisplay_switch1(arg, 0, waitok));
|
|
}
|
|
|
|
sc->sc_focusidx = no;
|
|
sc->sc_focus = scr;
|
|
|
|
#ifdef WSDISPLAY_COMPAT_RAWKBD
|
|
(void) wsdisplay_update_rawkbd(sc, scr);
|
|
#endif
|
|
/* keyboard map??? */
|
|
|
|
#define wsswitch_cb3 ((void (*)(void *, int, int))wsdisplay_switch3)
|
|
if (scr->scr_syncops) {
|
|
error = (*scr->scr_syncops->attach)(scr->scr_synccookie, waitok,
|
|
sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb3, sc);
|
|
if (error == EAGAIN) {
|
|
/* switch will be done asynchronously */
|
|
return (0);
|
|
}
|
|
}
|
|
|
|
return (wsdisplay_switch3(sc, error, waitok));
|
|
}
|
|
|
|
int
|
|
wsdisplay_switch1(void *arg, int error, int waitok)
|
|
{
|
|
struct wsdisplay_softc *sc = arg;
|
|
int no;
|
|
struct wsscreen *scr;
|
|
|
|
if (!(sc->sc_flags & SC_SWITCHPENDING)) {
|
|
printf("wsdisplay_switch1: not switching\n");
|
|
return (EINVAL);
|
|
}
|
|
|
|
no = sc->sc_screenwanted;
|
|
if (no == WSDISPLAY_NULLSCREEN) {
|
|
sc->sc_flags &= ~SC_SWITCHPENDING;
|
|
if (!error) {
|
|
sc->sc_focus = 0;
|
|
}
|
|
wakeup(sc);
|
|
return (error);
|
|
}
|
|
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);
|
|
error = ENXIO;
|
|
}
|
|
|
|
if (error) {
|
|
sc->sc_flags &= ~SC_SWITCHPENDING;
|
|
return (error);
|
|
}
|
|
|
|
#define wsswitch_cb2 ((void (*)(void *, int, int))wsdisplay_switch2)
|
|
error = (*sc->sc_accessops->show_screen)(sc->sc_accesscookie,
|
|
scr->scr_dconf->emulcookie,
|
|
waitok,
|
|
sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb2, sc);
|
|
if (error == EAGAIN) {
|
|
/* switch will be done asynchronously */
|
|
return (0);
|
|
}
|
|
|
|
return (wsdisplay_switch2(sc, error, waitok));
|
|
}
|
|
|
|
int
|
|
wsdisplay_switch(struct device *dev, int no, int waitok)
|
|
{
|
|
struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev;
|
|
int s, res = 0;
|
|
struct wsscreen *scr;
|
|
|
|
if (no != WSDISPLAY_NULLSCREEN &&
|
|
(no < 0 || no >= WSDISPLAY_MAXSCREEN || !sc->sc_scr[no]))
|
|
return (ENXIO);
|
|
|
|
s = spltty();
|
|
|
|
if ((sc->sc_focus && no == sc->sc_focusidx) ||
|
|
(sc->sc_focus == NULL && no == WSDISPLAY_NULLSCREEN)) {
|
|
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;
|
|
if (!scr) {
|
|
sc->sc_oldscreen = WSDISPLAY_NULLSCREEN;
|
|
return (wsdisplay_switch1(sc, 0, waitok));
|
|
} else
|
|
sc->sc_oldscreen = sc->sc_focusidx;
|
|
|
|
#define wsswitch_cb1 ((void (*)(void *, int, int))wsdisplay_switch1)
|
|
if (scr->scr_syncops) {
|
|
res = (*scr->scr_syncops->detach)(scr->scr_synccookie, waitok,
|
|
sc->sc_isconsole && wsdisplay_cons_pollmode ? 0 : wsswitch_cb1, 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;
|
|
}
|
|
|
|
return (wsdisplay_switch1(sc, res, waitok));
|
|
}
|
|
|
|
void
|
|
wsdisplay_reset(struct device *dev, enum wsdisplay_resetops op)
|
|
{
|
|
struct wsdisplay_softc *sc = (struct wsdisplay_softc *)dev;
|
|
struct wsscreen *scr;
|
|
|
|
KASSERT(sc != NULL);
|
|
scr = sc->sc_focus;
|
|
|
|
if (!scr)
|
|
return;
|
|
|
|
switch (op) {
|
|
case WSDISPLAY_RESETEMUL:
|
|
if (!WSSCREEN_HAS_EMULATOR(scr))
|
|
break;
|
|
(*scr->scr_dconf->wsemul->reset)(scr->scr_dconf->wsemulcookie,
|
|
WSEMUL_RESET);
|
|
break;
|
|
case WSDISPLAY_RESETCLOSE:
|
|
wsdisplay_closescreen(sc, scr);
|
|
break;
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Interface for (external) VT switch / process synchronization code
|
|
*/
|
|
int
|
|
wsscreen_attach_sync(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(struct wsscreen *scr)
|
|
{
|
|
if (!scr->scr_syncops)
|
|
return (EINVAL);
|
|
scr->scr_syncops = 0;
|
|
return (0);
|
|
}
|
|
|
|
int
|
|
wsscreen_lookup_sync(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(struct wsdisplay_softc *sc)
|
|
{
|
|
return (WSDISPLAY_MAXSCREEN - 1);
|
|
}
|
|
|
|
int
|
|
wsdisplay_screenstate(struct wsdisplay_softc *sc, int idx)
|
|
{
|
|
if (idx < 0 || 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(struct wsdisplay_softc *sc)
|
|
{
|
|
return (sc->sc_focus ? sc->sc_focusidx : WSDISPLAY_NULLSCREEN);
|
|
}
|
|
|
|
int
|
|
wsscreen_switchwait(struct wsdisplay_softc *sc, int no)
|
|
{
|
|
struct wsscreen *scr;
|
|
int s, res = 0;
|
|
|
|
if (no == WSDISPLAY_NULLSCREEN) {
|
|
s = spltty();
|
|
while (sc->sc_focus && res == 0) {
|
|
res = tsleep(sc, PCATCH, "wswait", 0);
|
|
}
|
|
splx(s);
|
|
return (res);
|
|
}
|
|
|
|
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);
|
|
if (scr != sc->sc_scr[no])
|
|
res = ENXIO; /* disappeared in the meantime */
|
|
else
|
|
scr->scr_flags &= ~SCR_WAITACTIVE;
|
|
}
|
|
splx(s);
|
|
return (res);
|
|
}
|
|
|
|
void
|
|
wsdisplay_kbdholdscreen(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;
|
|
callout_reset(&scr->scr_tty->t_rstrt_ch, 0,
|
|
ttrstrt, scr->scr_tty); /* "immediate" */
|
|
}
|
|
}
|
|
|
|
#if NWSKBD > 0
|
|
struct device *
|
|
wsdisplay_set_console_kbd(struct wsevsrc *src)
|
|
{
|
|
if (wsdisplay_console_device == NULL)
|
|
return (NULL);
|
|
/*src->me_dispdv = &wsdisplay_console_device->sc_dv;*/
|
|
#if NWSMUX > 0
|
|
if (wsmux_attach_sc(
|
|
(struct wsmux_softc *)wsdisplay_console_device->sc_input,
|
|
src))
|
|
return (NULL);
|
|
#else
|
|
wsdisplay_console_device->sc_input = src;
|
|
#endif
|
|
return (&wsdisplay_console_device->sc_dv);
|
|
}
|
|
#endif /* NWSKBD > 0 */
|
|
|
|
/*
|
|
* Console interface.
|
|
*/
|
|
void
|
|
wsdisplay_cnputc(dev_t dev, int i)
|
|
{
|
|
struct wsscreen_internal *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_t dev)
|
|
{
|
|
/* panic? */
|
|
return (0);
|
|
}
|
|
|
|
static void
|
|
wsdisplay_pollc(dev_t dev, int on)
|
|
{
|
|
|
|
wsdisplay_cons_pollmode = on;
|
|
|
|
/* notify to fb drivers */
|
|
if (wsdisplay_console_device != NULL &&
|
|
wsdisplay_console_device->sc_accessops->pollc != NULL)
|
|
(*wsdisplay_console_device->sc_accessops->pollc)
|
|
(wsdisplay_console_device->sc_accesscookie, on);
|
|
|
|
/* notify to kbd drivers */
|
|
if (wsdisplay_cons_kbd_pollc)
|
|
(*wsdisplay_cons_kbd_pollc)(NODEV, on);
|
|
}
|
|
|
|
void
|
|
wsdisplay_set_cons_kbd(int (*get)(dev_t), void (*poll)(dev_t, int),
|
|
void (*bell)(dev_t, u_int, u_int, u_int))
|
|
{
|
|
wsdisplay_cons.cn_getc = get;
|
|
wsdisplay_cons.cn_bell = bell;
|
|
wsdisplay_cons_kbd_pollc = poll;
|
|
}
|
|
|
|
void
|
|
wsdisplay_unset_cons_kbd(void)
|
|
{
|
|
wsdisplay_cons.cn_getc = wsdisplay_getc_dummy;
|
|
wsdisplay_cons.cn_bell = NULL;
|
|
wsdisplay_cons_kbd_pollc = 0;
|
|
}
|
|
|
|
/*
|
|
* Switch the console display to it's first screen.
|
|
*/
|
|
void
|
|
wsdisplay_switchtoconsole(void)
|
|
{
|
|
struct wsdisplay_softc *sc;
|
|
struct wsscreen *scr;
|
|
|
|
if (wsdisplay_console_device != NULL) {
|
|
sc = wsdisplay_console_device;
|
|
scr = sc->sc_scr[0];
|
|
(*sc->sc_accessops->show_screen)(sc->sc_accesscookie,
|
|
scr->scr_dconf->emulcookie,
|
|
0, NULL, NULL);
|
|
}
|
|
}
|
|
|
|
/*
|
|
* Switch the console at shutdown.
|
|
*/
|
|
static void
|
|
wsdisplay_shutdownhook(void *arg)
|
|
{
|
|
|
|
wsdisplay_switchtoconsole();
|
|
}
|