wsfontdev.c revision 1.8
1/* $NetBSD: wsfontdev.c,v 1.8 2003/06/29 22:31:06 fvdl Exp $ */ 2 3/* 4 * Copyright (c) 2001 5 * Matthias Drochner. All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions, and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 16 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND 17 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 18 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 19 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE 20 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 21 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 22 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 23 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 24 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 25 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 26 * SUCH DAMAGE. 27 */ 28 29#include <sys/cdefs.h> 30__KERNEL_RCSID(0, "$NetBSD: wsfontdev.c,v 1.8 2003/06/29 22:31:06 fvdl Exp $"); 31 32#include <sys/param.h> 33#include <sys/systm.h> 34#include <sys/conf.h> 35#include <sys/ioctl.h> 36#include <sys/malloc.h> 37#include <sys/event.h> 38 39#include <dev/wsfont/wsfont.h> 40#include <dev/wscons/wsconsio.h> /* XXX */ 41 42void wsfontattach(int); 43 44dev_type_open(wsfontopen); 45dev_type_close(wsfontclose); 46dev_type_ioctl(wsfontioctl); 47 48const struct cdevsw wsfont_cdevsw = { 49 wsfontopen, wsfontclose, noread, nowrite, wsfontioctl, 50 nostop, notty, nopoll, nommap, nokqfilter, 51}; 52 53static int wsfont_isopen; 54 55void 56wsfontattach(int n) 57{ 58 59 wsfont_init(); 60} 61 62int 63wsfontopen(dev_t dev, int flag, int mode, struct proc *p) 64{ 65 66 if (wsfont_isopen) 67 return (EBUSY); 68 wsfont_isopen = 1; 69 return (0); 70} 71 72int 73wsfontclose(dev_t dev, int flag, int mode, struct proc *p) 74{ 75 76 wsfont_isopen = 0; 77 return (0); 78} 79 80int 81wsfontioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 82{ 83 char nbuf[16]; 84 void *buf; 85 int res; 86 87 switch (cmd) { 88 case WSDISPLAYIO_LDFONT: 89#define d ((struct wsdisplay_font *)data) 90 if (d->name) { 91 res = copyinstr(d->name, nbuf, sizeof(nbuf), 0); 92 if (res) 93 return (res); 94 d->name = nbuf; 95 } else 96 d->name = "loaded"; /* ??? */ 97 buf = malloc(d->fontheight * d->stride * d->numchars, 98 M_DEVBUF, M_WAITOK); 99 res = copyin(d->data, buf, 100 d->fontheight * d->stride * d->numchars); 101 if (res) { 102 free(buf, M_DEVBUF); 103 return (res); 104 } 105 d->data = buf; 106 res = wsfont_add(d, 1); 107 free(buf, M_DEVBUF); 108#undef d 109 return (res); 110 default: 111 return (EINVAL); 112 } 113} 114