1 /* $NetBSD: midi_seq_mod.c,v 1.2 2022/06/04 20:12:10 pgoyette Exp $ */ 2 3 /* 4 * Copyright (c) 1998, 2008 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Lennart Augustsson (augustss@NetBSD.org), (MIDI FST and Active 9 * Sense handling) Chapman Flack (chap@NetBSD.org), and Andrew Doran. 10 * 11 * Redistribution and use in source and binary forms, with or without 12 * modification, are permitted provided that the following conditions 13 * are met: 14 * 1. Redistributions of source code must retain the above copyright 15 * notice, this list of conditions and the following disclaimer. 16 * 2. Redistributions in binary form must reproduce the above copyright 17 * notice, this list of conditions and the following disclaimer in the 18 * documentation and/or other materials provided with the distribution. 19 * 20 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 21 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 22 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 30 * POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 #include <sys/cdefs.h> 34 __KERNEL_RCSID(0, "$NetBSD: midi_seq_mod.c,v 1.2 2022/06/04 20:12:10 pgoyette Exp $"); 35 36 #ifdef _KERNEL_OPT 37 #include "midi.h" 38 #endif 39 40 #include <sys/param.h> 41 #include <sys/ioctl.h> 42 #include <sys/fcntl.h> 43 #include <sys/vnode.h> 44 #include <sys/select.h> 45 #include <sys/poll.h> 46 #include <sys/proc.h> 47 #include <sys/systm.h> 48 #include <sys/callout.h> 49 #include <sys/syslog.h> 50 #include <sys/kernel.h> 51 #include <sys/signalvar.h> 52 #include <sys/conf.h> 53 #include <sys/audioio.h> 54 #include <sys/midiio.h> 55 #include <sys/device.h> 56 #include <sys/intr.h> 57 #include <sys/module.h> 58 59 #include <dev/audio/audio_if.h> 60 #include <dev/midi_if.h> 61 #include <dev/midivar.h> 62 63 #include "ioconf.h" 64 65 extern struct cfdriver sequencer_cd; 66 extern struct cdevsw midi_cdevsw; 67 extern struct cdevsw sequencer_cdevsw; 68 69 #ifdef _MODULE 70 #include "ioconf.c" 71 72 CFDRIVER_DECL(sequencer, DV_DULL, NULL); 73 74 devmajor_t midi_bmajor = -1, midi_cmajor = -1; 75 devmajor_t sequencer_bmajor = -1, sequencer_cmajor = -1; 76 #endif 77 78 MODULE(MODULE_CLASS_DRIVER, midi_seq, "audio"); 79 80 static int 81 midi_seq_modcmd(modcmd_t cmd, void *arg) 82 { 83 int error = 0; 84 85 #ifdef _MODULE 86 switch (cmd) { 87 case MODULE_CMD_INIT: 88 #if NMIDI > 0 89 error = devsw_attach(midi_cd.cd_name, NULL, &midi_bmajor, 90 &midi_cdevsw, &midi_cmajor); 91 if (error) 92 break; 93 #endif 94 95 #if NSEQUENCER > 0 96 error = devsw_attach(sequencer_cd.cd_name, 97 NULL, &sequencer_bmajor, 98 &sequencer_cdevsw, &sequencer_cmajor); 99 if (error) { 100 #if NMIDI > 0 101 devsw_detach(NULL, &midi_cdevsw); 102 #endif 103 break; 104 } 105 #endif 106 107 #if NMIDI > 0 108 error = config_init_component(cfdriver_ioconf_midi_seq, 109 cfattach_ioconf_midi_seq, cfdata_ioconf_midi_seq); 110 if (error) { 111 #if NSEQUENCER > 0 112 devsw_detach(NULL, &sequencer_cdevsw); 113 #endif 114 devsw_detach(NULL, &midi_cdevsw); 115 #endif 116 } 117 break; 118 case MODULE_CMD_FINI: 119 #if NMIDI > 0 120 error = config_fini_component(cfdriver_ioconf_midi_seq, 121 cfattach_ioconf_midi_seq, cfdata_ioconf_midi_seq); 122 if (error == 0) { 123 #endif 124 #if NSEQUENCER > 0 125 devsw_detach(NULL, &sequencer_cdevsw); 126 #endif 127 #if NMIDI > 0 128 devsw_detach(NULL, &midi_cdevsw); 129 #endif 130 } 131 break; 132 default: 133 error = ENOTTY; 134 break; 135 } 136 #endif 137 138 return error; 139 } 140