1 /* $NetBSD: wsfontdev.c,v 1.5 2002/09/23 05:51:18 simonb 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 1.5 2002/09/23 05:51:18 simonb 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 38 #include <dev/wsfont/wsfont.h> 39 #include <dev/wscons/wsconsio.h> /* XXX */ 40 41 void wsfontattach(int); 42 43 dev_type_open(wsfontopen); 44 dev_type_close(wsfontclose); 45 dev_type_ioctl(wsfontioctl); 46 47 const struct cdevsw wsfont_cdevsw = { 48 wsfontopen, wsfontclose, noread, nowrite, wsfontioctl, 49 nostop, notty, nopoll, nommap, 50 }; 51 52 static int wsfont_isopen; 53 54 void 55 wsfontattach(int n) 56 { 57 58 wsfont_init(); 59 } 60 61 int 62 wsfontopen(dev_t dev, int flag, int mode, struct proc *p) 63 { 64 65 if (wsfont_isopen) 66 return (EBUSY); 67 wsfont_isopen = 1; 68 return (0); 69 } 70 71 int 72 wsfontclose(dev_t dev, int flag, int mode, struct proc *p) 73 { 74 75 wsfont_isopen = 0; 76 return (0); 77 } 78 79 int 80 wsfontioctl(dev_t dev, u_long cmd, caddr_t data, int flag, struct proc *p) 81 { 82 char nbuf[16]; 83 void *buf; 84 int res; 85 86 switch (cmd) { 87 case WSDISPLAYIO_LDFONT: 88 #define d ((struct wsdisplay_font *)data) 89 if (d->name) { 90 res = copyinstr(d->name, nbuf, sizeof(nbuf), 0); 91 if (res) 92 return (res); 93 d->name = nbuf; 94 } else 95 d->name = "loaded"; /* ??? */ 96 buf = malloc(d->fontheight * d->stride * d->numchars, 97 M_DEVBUF, M_WAITOK); 98 res = copyin(d->data, buf, 99 d->fontheight * d->stride * d->numchars); 100 if (res) { 101 free(buf, M_DEVBUF); 102 return (res); 103 } 104 d->data = buf; 105 res = wsfont_add(d, 1); 106 free(buf, M_DEVBUF); 107 #undef d 108 return (res); 109 default: 110 return (EINVAL); 111 } 112 } 113