110 lines
2.9 KiB
C
110 lines
2.9 KiB
C
/* $NetBSD: wsfontdev.c,v 1.10 2005/12/11 12:24:12 christos Exp $ */
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/*
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* Copyright (c) 2001
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* Matthias Drochner. 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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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR 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 AUTHOR 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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#include <sys/cdefs.h>
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__KERNEL_RCSID(0, "$NetBSD: wsfontdev.c,v 1.10 2005/12/11 12:24:12 christos Exp $");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/conf.h>
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#include <sys/ioctl.h>
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#include <sys/malloc.h>
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#include <sys/event.h>
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#include <dev/wsfont/wsfont.h>
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#include <dev/wscons/wsconsio.h> /* XXX */
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void wsfontattach(int);
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static int wsfont_isopen;
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void
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wsfontattach(int n)
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{
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wsfont_init();
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}
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static int
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wsfontopen(dev_t dev, int flag, int mode, struct lwp *l)
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{
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if (wsfont_isopen)
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return (EBUSY);
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wsfont_isopen = 1;
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return (0);
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}
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static int
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wsfontclose(dev_t dev, int flag, int mode, struct lwp *l)
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{
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wsfont_isopen = 0;
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return (0);
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}
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static int
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wsfontioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct lwp *l)
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{
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char nbuf[16];
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void *buf;
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int res;
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switch (cmd) {
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case WSDISPLAYIO_LDFONT:
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#define d ((struct wsdisplay_font *)data)
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if (d->name) {
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res = copyinstr(d->name, nbuf, sizeof(nbuf), 0);
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if (res)
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return (res);
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d->name = nbuf;
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} else
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d->name = "loaded"; /* ??? */
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buf = malloc(d->fontheight * d->stride * d->numchars,
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M_DEVBUF, M_WAITOK);
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res = copyin(d->data, buf,
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d->fontheight * d->stride * d->numchars);
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if (res) {
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free(buf, M_DEVBUF);
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return (res);
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}
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d->data = buf;
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res = wsfont_add(d, 1);
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free(buf, M_DEVBUF);
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#undef d
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return (res);
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default:
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return (EINVAL);
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}
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}
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const struct cdevsw wsfont_cdevsw = {
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wsfontopen, wsfontclose, noread, nowrite, wsfontioctl,
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nostop, notty, nopoll, nommap, nokqfilter,
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};
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