xref: /netbsd-src/sys/dev/i2c/i2c_subr.c (revision 7694d689116a4c726a4530c72ecf2f180b3cf117)
1 /*	$NetBSD: i2c_subr.c,v 1.2 2022/04/01 15:49:12 pgoyette Exp $	*/
2 
3 /*
4  * Copyright (c) 2003 Wasabi Systems, Inc.
5  * All rights reserved.
6  *
7  * Written by Jason R. Thorpe for Wasabi Systems, Inc.
8  *
9  * Redistribution and use in source and binary forms, with or without
10  * modification, are permitted provided that the following conditions
11  * are met:
12  * 1. Redistributions of source code must retain the above copyright
13  *    notice, this list of conditions and the following disclaimer.
14  * 2. Redistributions in binary form must reproduce the above copyright
15  *    notice, this list of conditions and the following disclaimer in the
16  *    documentation and/or other materials provided with the distribution.
17  * 3. All advertising materials mentioning features or use of this software
18  *    must display the following acknowledgement:
19  *      This product includes software developed for the NetBSD Project by
20  *      Wasabi Systems, Inc.
21  * 4. The name of Wasabi Systems, Inc. may not be used to endorse
22  *    or promote products derived from this software without specific prior
23  *    written permission.
24  *
25  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
26  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
27  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
28  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
29  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
30  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
31  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
32  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
33  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
34  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
35  * POSSIBILITY OF SUCH DAMAGE.
36  */
37 
38 #include <sys/cdefs.h>
39 __KERNEL_RCSID(0, "$NetBSD: i2c_subr.c,v 1.2 2022/04/01 15:49:12 pgoyette Exp $");
40 
41 #include <sys/param.h>
42 #include <sys/device.h>
43 #include <sys/module.h>
44 
45 #include <dev/i2c/i2cvar.h>
46 
47 MODULE(MODULE_CLASS_EXEC, i2c_subr, NULL);
48 
49 static int
i2c_subr_modcmd(modcmd_t cmd,void * opaque)50 i2c_subr_modcmd(modcmd_t cmd, void *opaque)
51 {
52 
53 	switch (cmd) {
54 	case MODULE_CMD_INIT:
55 	case MODULE_CMD_FINI:
56 		return 0;
57 	default:
58 		return ENOTTY;
59 	}
60 }
61 
62 int
iicbus_print(void * aux,const char * pnp)63 iicbus_print(void *aux, const char *pnp)
64 {
65 
66 	if (pnp != NULL)
67 		aprint_normal("iic at %s", pnp);
68 
69 	return UNCONF;
70 }
71