463 lines
8.9 KiB
C
463 lines
8.9 KiB
C
/* $NetBSD: kb.c,v 1.4 1999/12/18 06:54:05 tsubai Exp $ */
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/*
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* Copyright (c) 1992, 1993
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* The Regents of the University of California. All rights reserved.
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*
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* This code is derived from software contributed to Berkeley by
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* Sony Corp. and Kazumasa Utashiro of Software Research Associates, Inc.
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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 the University of
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* California, Berkeley and its contributors.
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* 4. Neither the name of the University nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*
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* from: $Hdr: kb.c,v 4.300 91/06/09 06:42:44 root Rel41 $ SONY
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*
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* @(#)kb.c 8.1 (Berkeley) 6/11/93
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*/
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#include <sys/param.h>
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#include <sys/proc.h>
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#include <sys/ioctl.h>
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#include <sys/systm.h>
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#include <sys/uio.h>
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#include <sys/device.h>
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#include <machine/autoconf.h>
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#include <machine/keyboard.h>
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#include <newsmips/dev/kbreg.h>
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#ifdef CPU_SINGLE
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#include <newsmips/dev/scc.h>
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#else
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#include "../iop/iopvar.h"
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#endif
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struct kb_softc {
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struct device sc_dev;
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int sc_busy;
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};
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extern Key_table key_table[];
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extern Key_table default_table[];
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extern int country;
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extern void kbd_init(void);
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extern int kbd_ioctl(int, int, int *);
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extern int kbd_write(int, char *, int);
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extern void init_key_table(void);
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static int kbmatch __P((struct device *, struct cfdata *, void *));
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static void kbattach __P((struct device *, struct device *, void *));
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static int kbintr __P((void *));
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extern int kbopen(dev_t, int, int, struct proc *);
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extern int kbclose(dev_t, int, int, struct proc *);
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#ifdef KBDEBUG
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extern int kbread(dev_t, struct uio *);
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#endif
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extern int kbwrite(dev_t, struct uio *);
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extern int kbioctl(dev_t, int, caddr_t, int, struct proc *);
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static int kbchange(Key_tab_info *);
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static int kb_probe(void);
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static void kb_attach(void);
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static int kb_open(void);
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static int kb_close(void);
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#ifdef KBDEBUG
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static int kb_read(struct uio *);
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#endif
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static int kb_write(struct uio *);
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static int kb_ctrl(int, void *);
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struct cfattach kb_ca = {
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sizeof(struct kb_softc), kbmatch, kbattach
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};
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extern struct cfdriver kb_cd;
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#ifdef CPU_SINGLE
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extern Key_table *key_table_addr;
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#endif
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int
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kbmatch(parent, cf, aux)
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struct device *parent;
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struct cfdata *cf;
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void *aux;
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{
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struct confargs *ca = aux;
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if (strcmp(ca->ca_name, "kb"))
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return 0;
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return kb_probe();
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}
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void
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kbattach(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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int intr = self->dv_cfdata->cf_level;
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kb_attach();
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init_key_table();
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if (intr == -1)
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intr = 2; /* XXX */
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hb_intr_establish(intr, IPL_TTY, kbintr, self);
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printf(" level %d\n", intr);
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}
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int
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kbintr(v)
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void *v;
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{
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kbm_rint(SCC_KEYBOARD);
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return 1;
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}
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int
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kbopen(dev, flags, mode, p)
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dev_t dev;
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int flags, mode;
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struct proc *p;
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{
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struct kb_softc *sc;
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int unit = minor(dev);
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if (unit >= kb_cd.cd_ndevs)
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return ENXIO;
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sc = kb_cd.cd_devs[unit];
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if (sc == NULL)
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return ENXIO;
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if (sc->sc_busy)
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return EBUSY;
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/* need spl? */
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sc->sc_busy = 1;
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return kb_open();
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}
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int
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kbclose(dev, flags, mode, p)
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dev_t dev;
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int flags, mode;
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struct proc *p;
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{
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struct kb_softc *sc = kb_cd.cd_devs[minor(dev)];
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kb_close();
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sc->sc_busy = 0;
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return 0;
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}
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#ifdef KBDEBUG
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int
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kbread(dev, uio)
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dev_t dev;
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struct uio *uio;
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{
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int error = 0;
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while (uio->uio_resid > 0)
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if (error = kb_read(uio))
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break;
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return error;
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}
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#endif /* KBDEBUG */
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int
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kbwrite(dev, uio)
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dev_t dev;
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struct uio *uio;
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{
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int error = 0;
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while (uio->uio_resid > 0)
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if (error = kb_write(uio))
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break;
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return error;
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}
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int
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kbioctl(dev, cmd, data, flag, p)
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dev_t dev;
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int 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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int error = 0;
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switch (cmd) {
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case KBIOCBELL:
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error = kb_ctrl(KIOCBELL, (int *)data);
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break;
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case KBIOCREPT:
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error = kb_ctrl(KIOCREPT, 0);
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break;
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case KBIOCNRPT:
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error = kb_ctrl(KIOCNRPT, 0);
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break;
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case KBIOCSETLOCK:
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error = kb_ctrl(KIOCSETLOCK, (int *)data);
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break;
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case KBIOCSETTBL:
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error = kbchange((Key_tab_info *)data);
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break;
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case KBIOCGETCNUM:
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error = kb_ctrl(KIOCGETCNUM, (int *)data);
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break;
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case KBIOCSETCNUM:
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error = kb_ctrl(KIOCSETCNUM, (int *)data);
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break;
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case KBIOCGETSTAT:
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error = kb_ctrl(KIOCGETSTAT, (int *)data);
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break;
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case KBIOCSETSTAT:
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error = kb_ctrl(KIOCSETSTAT, (int *)data);
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break;
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default:
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return EIO;
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}
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return error;
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}
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int
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kbchange(argp)
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Key_tab_info *argp;
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{
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int keynumber;
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keynumber = ((Key_tab_info *)argp)->key_number;
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if (keynumber < 0 || keynumber > N_KEY)
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return (EINVAL);
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key_table[keynumber] = argp->key_num_table;
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return (kb_ctrl(KIOCCHTBL, (Key_table *)key_table));
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}
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/*
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* Machine dependent functions
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*
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* kb_probe()
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* kb_attach()
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* kb_open()
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* kb_close()
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* kb_write()
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* kb_ctrl()
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*/
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#ifdef CPU_SINGLE
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extern int tty00_is_console;
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extern Key_table *key_table_addr;
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#define KBPRI (PZERO+1)
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int
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kb_probe()
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{
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return 1;
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}
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void
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kb_attach()
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{
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kbd_init();
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kbd_ioctl(0, KIOCSETCNUM, &country);
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}
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int
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kb_open()
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{
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if (tty00_is_console)
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kbm_open(SCC_KEYBOARD);
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return 0;
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}
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int
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kb_close()
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{
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if (tty00_is_console)
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kbm_close(SCC_KEYBOARD);
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return 0;
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}
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#ifdef KBDEBUG
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int
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kb_read(uio)
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struct uio *uio;
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{
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int n;
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char buf[32];
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n = kbd_read_raw(SCC_KEYBOARD, buf, min(uio->uio_resid, sizeof (buf)));
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if (n == 0)
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return (0);
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return (uiomove((caddr_t)buf, n, uio));
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}
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#endif /* KBDEBUG */
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int
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kb_write(uio)
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struct uio *uio;
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{
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int n, error;
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char buf[32];
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n = min(sizeof(buf), uio->uio_resid);
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if (error = uiomove((caddr_t)buf, n, uio))
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return (error);
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kbd_write(SCC_KEYBOARD, buf, n);
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return (0);
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}
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int
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kb_ctrl(func, arg)
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int func;
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void *arg;
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{
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return (kbd_ioctl(0, func, arg));
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}
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#endif /* CPU_SINGLE */
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#ifdef IPC_MRX
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#include "../ipc/newsipc.h"
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#include "../mrx/h/kbms.h"
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#ifdef news3800
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#define ipc_phys(x) (caddr_t)(K0_TT0(x))
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#endif
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int port_kboutput, port_kboutput_iop, port_kbctrl, port_kbctrl_iop;
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kb_probe(ii)
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struct iop_device *ii;
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{
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port_kboutput_iop = object_query("kbd_output");
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port_kbctrl_iop = object_query("kbd_io");
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if (port_kboutput_iop <= 0 || port_kbctrl_iop <= 0)
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return (0);
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port_kboutput = port_create("@kboutput", NULL, 0);
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port_kbctrl = port_create("@kbctrl", NULL, 0);
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return (1);
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}
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kb_attach(ii)
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struct iop_device *ii;
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{
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(void) kb_ctrl(KIOCCHTBL, (Key_table *)key_table);
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(void) kb_ctrl(KIOCSETCNUM, &country);
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}
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kb_open()
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{
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return (0);
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}
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kb_close()
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{
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return (0);
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}
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#ifdef KBDEBUG
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kb_read(uio)
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struct uio *uio;
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{
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char *addr;
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int len;
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int error;
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len = uio->uio_resid;
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msg_send(port_kbinput_iop, port_kbinput, &len, sizeof(len), 0);
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msg_recv(port_kbinput, NULL, &addr, &len, 0);
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error = uiomove(addr, len, UIO_READ, uio);
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msg_free(port_kbinput);
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return (error);
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}
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#endif /* KBDEBUG */
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kb_write(uio)
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struct uio *uio;
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{
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int len;
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int error;
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char buf[MAX_CIO];
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len = min(MAX_CIO, uio->uio_resid);
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if (error = uiomove(buf, len, UIO_WRITE, uio))
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return (error);
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msg_send(port_kboutput_iop, port_kboutput, buf, len, 0);
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msg_recv(port_kboutput, NULL, NULL, NULL, 0);
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msg_free(port_kboutput);
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return (0);
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}
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kb_ctrl(func, arg)
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int func;
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int *arg;
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{
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struct kb_ctrl_req req;
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int *reply, result;
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static int tmp;
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if (func == KIOCCHTBL || func == KIOCOYATBL)
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req.kb_arg = (int)ipc_phys(arg);
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else if (arg == NULL)
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req.kb_arg = (int)&tmp;
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else
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req.kb_arg = *arg;
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req.kb_func = func;
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msg_send(port_kbctrl_iop, port_kbctrl, &req, sizeof(req), 0);
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msg_recv(port_kbctrl, NULL, &reply, NULL, 0);
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result = *reply;
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msg_free(port_kbctrl);
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switch (func) {
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case KIOCGETCNUM:
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case KIOCGETSTAT:
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if (arg)
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*(int *)arg = result;
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}
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return (0);
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}
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#endif /* IPC_MRX */
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