NetBSD/sys/dev/midi_seq_mod.c

140 lines
3.8 KiB
C

/* $NetBSD: midi_seq_mod.c,v 1.2 2022/06/04 20:12:10 pgoyette Exp $ */
/*
* Copyright (c) 1998, 2008 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Lennart Augustsson (augustss@NetBSD.org), (MIDI FST and Active
* Sense handling) Chapman Flack (chap@NetBSD.org), and Andrew Doran.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: midi_seq_mod.c,v 1.2 2022/06/04 20:12:10 pgoyette Exp $");
#ifdef _KERNEL_OPT
#include "midi.h"
#endif
#include <sys/param.h>
#include <sys/ioctl.h>
#include <sys/fcntl.h>
#include <sys/vnode.h>
#include <sys/select.h>
#include <sys/poll.h>
#include <sys/proc.h>
#include <sys/systm.h>
#include <sys/callout.h>
#include <sys/syslog.h>
#include <sys/kernel.h>
#include <sys/signalvar.h>
#include <sys/conf.h>
#include <sys/audioio.h>
#include <sys/midiio.h>
#include <sys/device.h>
#include <sys/intr.h>
#include <sys/module.h>
#include <dev/audio/audio_if.h>
#include <dev/midi_if.h>
#include <dev/midivar.h>
#include "ioconf.h"
extern struct cfdriver sequencer_cd;
extern struct cdevsw midi_cdevsw;
extern struct cdevsw sequencer_cdevsw;
#ifdef _MODULE
#include "ioconf.c"
CFDRIVER_DECL(sequencer, DV_DULL, NULL);
devmajor_t midi_bmajor = -1, midi_cmajor = -1;
devmajor_t sequencer_bmajor = -1, sequencer_cmajor = -1;
#endif
MODULE(MODULE_CLASS_DRIVER, midi_seq, "audio");
static int
midi_seq_modcmd(modcmd_t cmd, void *arg)
{
int error = 0;
#ifdef _MODULE
switch (cmd) {
case MODULE_CMD_INIT:
#if NMIDI > 0
error = devsw_attach(midi_cd.cd_name, NULL, &midi_bmajor,
&midi_cdevsw, &midi_cmajor);
if (error)
break;
#endif
#if NSEQUENCER > 0
error = devsw_attach(sequencer_cd.cd_name,
NULL, &sequencer_bmajor,
&sequencer_cdevsw, &sequencer_cmajor);
if (error) {
#if NMIDI > 0
devsw_detach(NULL, &midi_cdevsw);
#endif
break;
}
#endif
#if NMIDI > 0
error = config_init_component(cfdriver_ioconf_midi_seq,
cfattach_ioconf_midi_seq, cfdata_ioconf_midi_seq);
if (error) {
#if NSEQUENCER > 0
devsw_detach(NULL, &sequencer_cdevsw);
#endif
devsw_detach(NULL, &midi_cdevsw);
#endif
}
break;
case MODULE_CMD_FINI:
#if NMIDI > 0
error = config_fini_component(cfdriver_ioconf_midi_seq,
cfattach_ioconf_midi_seq, cfdata_ioconf_midi_seq);
if (error == 0) {
#endif
#if NSEQUENCER > 0
devsw_detach(NULL, &sequencer_cdevsw);
#endif
#if NMIDI > 0
devsw_detach(NULL, &midi_cdevsw);
#endif
}
break;
default:
error = ENOTTY;
break;
}
#endif
return error;
}