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      1 /*	$NetBSD: midi_mod.c,v 1.1 2022/06/04 03:31:10 pgoyette Exp $ */
      2 
      3 /*
      4  * Copyright (c) 2022 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Paul Goyette
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     29  * POSSIBILITY OF SUCH DAMAGE.
     30  */
     31 
     32 #include <sys/cdefs.h>
     33 __KERNEL_RCSID(0, "$NetBSD: midi_mod.c,v 1.1 2022/06/04 03:31:10 pgoyette Exp $");
     34 
     35 #include <sys/param.h>
     36 #include <sys/systm.h>
     37 #include <sys/kernel.h>
     38 #include <sys/module.h>
     39 
     40 /*
     41  * The midi module itself doesn't do anything.  It exists only to
     42  * ensure that the combo-module for midi-plus-sequencer is loaded.
     43  * This allows us to have both midi and sequencer code to refer
     44  * to each other, avoiding a circular module dependency.
     45  */
     46 
     47 MODULE(MODULE_CLASS_DRIVER, midi, "midi_seq");
     48 
     49 static int
     50 midi_modcmd(modcmd_t cmd, void *arg)
     51 {
     52 	int error = 0;
     53 
     54 	switch (cmd) {
     55 	case MODULE_CMD_INIT:
     56 	case MODULE_CMD_FINI:
     57 		break;
     58 	default:
     59 		error = ENOTTY;
     60 		break;
     61 	}
     62 	return error;
     63 }
     64