439 lines
8.5 KiB
C
439 lines
8.5 KiB
C
/* $NetBSD: ofcons.c,v 1.1 1998/07/02 18:46:28 tsubai Exp $ */
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/*
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* Copyright (C) 1995, 1996 Wolfgang Solfrank.
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* Copyright (C) 1995, 1996 TooLs GmbH.
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* 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 TooLs GmbH.
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* 4. The name of TooLs GmbH 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 TOOLS GMBH ``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 TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
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* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
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* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
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* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
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* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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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/proc.h>
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#include <sys/systm.h>
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#include <sys/tty.h>
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#include <dev/cons.h>
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#include <dev/ofw/openfirm.h>
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#include <dev/pci/pcireg.h>
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#include <dev/pci/pcivar.h>
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#define KEYBOARD_ARRAY
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#include <machine/keyboard.h>
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#include <machine/adbsys.h>
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#include <machine/autoconf.h>
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#include "adb.h"
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struct ofcons_softc {
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struct device of_dev;
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struct tty *of_tty;
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};
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#define OFBURSTLEN 128 /* max number of bytes to write in one chunk */
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static int stdin, stdout;
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static int ofcmatch __P((struct device *, struct cfdata *, void *));
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static void ofcattach __P((struct device *, struct device *, void *));
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struct cfattach ofcons_ca = {
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sizeof(struct ofcons_softc), ofcmatch, ofcattach
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};
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extern struct cfdriver ofcons_cd;
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/* For polled ADB mode */
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static int polledkey;
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extern int adb_polling;
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static void ofcstart __P((struct tty *));
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static int ofcparam __P((struct tty *, struct termios *));
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static int ofcons_probe __P((void));
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static int
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ofcmatch(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 pci_attach_args *pa = aux;
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static int attached = 0;
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if (attached)
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return 0;
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if (PCI_CLASS(pa->pa_class) != PCI_CLASS_DISPLAY)
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return 0;
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if (!ofcons_probe())
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return 0;
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attached = 1;
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return 1;
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}
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static void
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ofcattach(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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printf("\n");
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}
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int
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ofcopen(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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struct ofcons_softc *sc;
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int unit = minor(dev);
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struct tty *tp;
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if (unit >= ofcons_cd.cd_ndevs)
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return ENXIO;
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sc = ofcons_cd.cd_devs[unit];
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if (!sc)
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return ENXIO;
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if (!(tp = sc->of_tty))
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sc->of_tty = tp = ttymalloc();
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tp->t_oproc = ofcstart;
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tp->t_param = ofcparam;
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tp->t_dev = dev;
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if (!(tp->t_state & TS_ISOPEN)) {
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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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ofcparam(tp, &tp->t_termios);
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ttsetwater(tp);
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} else if ((tp->t_state&TS_XCLUDE) && suser(p->p_ucred, &p->p_acflag))
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return EBUSY;
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tp->t_state |= TS_CARR_ON;
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return (*linesw[tp->t_line].l_open)(dev, tp);
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}
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int
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ofcclose(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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struct ofcons_softc *sc = ofcons_cd.cd_devs[minor(dev)];
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struct tty *tp = sc->of_tty;
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(*linesw[tp->t_line].l_close)(tp, flag);
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ttyclose(tp);
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return 0;
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}
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int
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ofcread(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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struct ofcons_softc *sc = ofcons_cd.cd_devs[minor(dev)];
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struct tty *tp = sc->of_tty;
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return (*linesw[tp->t_line].l_read)(tp, uio, flag);
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}
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int
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ofcwrite(dev, uio, flag)
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dev_t dev;
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struct uio *uio;
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int flag;
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{
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struct ofcons_softc *sc = ofcons_cd.cd_devs[minor(dev)];
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struct tty *tp = sc->of_tty;
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return (*linesw[tp->t_line].l_write)(tp, uio, flag);
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}
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int
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ofcioctl(dev, cmd, data, flag, p)
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dev_t dev;
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u_long cmd;
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caddr_t data;
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int flag;
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struct proc *p;
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{
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struct ofcons_softc *sc = ofcons_cd.cd_devs[minor(dev)];
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struct tty *tp = sc->of_tty;
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int error;
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if ((error = (*linesw[tp->t_line].l_ioctl)(tp, cmd, data, flag, p)) >= 0)
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return error;
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if ((error = ttioctl(tp, cmd, data, flag, p)) >= 0)
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return error;
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return ENOTTY;
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}
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struct tty *
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ofctty(dev)
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dev_t dev;
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{
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struct ofcons_softc *sc = ofcons_cd.cd_devs[minor(dev)];
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return sc->of_tty;
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}
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void
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ofcstop(tp, flag)
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struct tty *tp;
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int flag;
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{
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}
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static void
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ofcstart(tp)
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struct tty *tp;
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{
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struct clist *cl;
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int s, len;
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u_char buf[OFBURSTLEN];
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s = spltty();
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if (tp->t_state & (TS_TIMEOUT | TS_BUSY | TS_TTSTOP)) {
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splx(s);
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return;
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}
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tp->t_state |= TS_BUSY;
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splx(s);
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cl = &tp->t_outq;
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len = q_to_b(cl, buf, OFBURSTLEN);
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OF_write(stdout, buf, len);
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s = spltty();
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tp->t_state &= ~TS_BUSY;
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if (cl->c_cc) {
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tp->t_state |= TS_TIMEOUT;
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timeout(ttrstrt, (void *)tp, 1);
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}
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if (cl->c_cc <= tp->t_lowat) {
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if (tp->t_state & TS_ASLEEP) {
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tp->t_state &= ~TS_ASLEEP;
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wakeup(cl);
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}
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selwakeup(&tp->t_wsel);
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}
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splx(s);
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}
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static int
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ofcparam(tp, t)
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struct tty *tp;
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struct termios *t;
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{
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tp->t_ispeed = t->c_ispeed;
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tp->t_ospeed = t->c_ospeed;
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tp->t_cflag = t->c_cflag;
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return 0;
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}
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static int
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ofcons_probe()
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{
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int chosen;
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if (stdout)
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return 1;
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if ((chosen = OF_finddevice("/chosen")) == -1)
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return 0;
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if (OF_getprop(chosen, "stdin", &stdin, sizeof(stdin)) !=
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sizeof(stdin) ||
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OF_getprop(chosen, "stdout", &stdout, sizeof(stdout)) !=
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sizeof(stdout))
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return 0;
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return 1;
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}
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/*
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* Console support functions
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*/
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void
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ofccnprobe(cd)
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struct consdev *cd;
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{
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int maj;
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if (!ofcons_probe())
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return;
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for (maj = 0; maj < nchrdev; maj++) {
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if (cdevsw[maj].d_open == ofcopen) {
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cd->cn_dev = makedev(maj, 0);
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cd->cn_pri = CN_INTERNAL;
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break;
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}
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}
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}
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void
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ofccninit(cd)
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struct consdev *cd;
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{
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}
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int
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ofccngetc(dev)
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dev_t dev;
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{
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#if NADB > 0
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int intbits, s;
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s = splhigh();
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polledkey = -1;
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adb_polling = 1;
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while (polledkey == -1)
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adb_intr_cuda();
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adb_polling = 0;
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splx(s);
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return polledkey;
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#else
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unsigned char ch = '\0';
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int l;
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while ((l = OF_read(stdin, &ch, 1)) != 1)
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if (l != -2 && l != 0)
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return -1;
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return ch;
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#endif
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}
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void
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ofccnputc(dev, c)
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dev_t dev;
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int c;
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{
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char ch = c;
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OF_write(stdout, &ch, 1);
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}
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void
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ofccnpollc(dev, on)
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dev_t dev;
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int on;
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{
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}
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struct consdev consdev_ofcons = {
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ofccnprobe,
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ofccninit,
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ofccngetc,
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ofccnputc,
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ofccnpollc,
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};
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struct consdev *cn_tab = &consdev_ofcons;
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/* For capslock key functionality */
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#define isealpha(ch) \
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(((ch)>='A'&&(ch)<='Z')||((ch)>='a'&&(ch)<='z')||((ch)>=0xC0&&(ch)<=0xFF))
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int
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kbd_intr(event)
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adb_event_t *event;
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{
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static int shift = 0, control = 0, capslock = 0;
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int key, press, val, state;
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char str[10], *s;
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struct ofcons_softc *sc = ofcons_cd.cd_devs[0];
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struct tty *ite_tty = sc->of_tty;
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key = event->u.k.key;
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press = ADBK_PRESS(key);
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val = ADBK_KEYVAL(key);
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if (val == ADBK_SHIFT)
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shift = press;
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else if (val == ADBK_CAPSLOCK)
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capslock = !capslock;
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else if (val == ADBK_CONTROL)
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control = press;
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else if (press) {
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switch (val) {
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case ADBK_UP:
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str[0] = '\e';
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str[1] = 'O';
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str[2] = 'A';
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str[3] = '\0';
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break;
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case ADBK_DOWN:
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str[0] = '\e';
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str[1] = 'O';
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str[2] = 'B';
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str[3] = '\0';
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break;
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case ADBK_RIGHT:
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str[0] = '\e';
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str[1] = 'O';
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str[2] = 'C';
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str[3] = '\0';
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break;
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case ADBK_LEFT:
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str[0] = '\e';
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str[1] = 'O';
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str[2] = 'D';
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str[3] = '\0';
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break;
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default:
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state = 0;
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if (capslock && isealpha(keyboard[val][1]))
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state = 1;
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if (shift)
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state = 1;
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if (control)
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state = 2;
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str[0] = keyboard[val][state];
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str[1] = '\0';
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break;
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}
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if (adb_polling)
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polledkey = str[0];
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else
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for (s = str; *s; s++)
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(*linesw[ite_tty->t_line].l_rint)(*s, ite_tty);
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}
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return 0;
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}
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