xref: /openbmc/linux/drivers/w1/slaves/w1_smem.c (revision 82e6fdd6)
1 /*
2  *	w1_smem.c
3  *
4  * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
5  *
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the smems of the GNU General Public License as published by
9  * the Free Software Foundation; either version 2 of the License, or
10  * (at your option) any later version.
11  *
12  * This program is distributed in the hope that it will be useful,
13  * but WITHOUT ANY WARRANTY; without even the implied warranty of
14  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
15  * GNU General Public License for more details.
16  *
17  * You should have received a copy of the GNU General Public License
18  * along with this program; if not, write to the Free Software
19  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20  */
21 
22 #include <asm/types.h>
23 
24 #include <linux/kernel.h>
25 #include <linux/module.h>
26 #include <linux/moduleparam.h>
27 #include <linux/device.h>
28 #include <linux/types.h>
29 
30 #include <linux/w1.h>
31 
32 #define W1_FAMILY_SMEM_01	0x01
33 #define W1_FAMILY_SMEM_81	0x81
34 
35 static struct w1_family w1_smem_family_01 = {
36 	.fid = W1_FAMILY_SMEM_01,
37 };
38 
39 static struct w1_family w1_smem_family_81 = {
40 	.fid = W1_FAMILY_SMEM_81,
41 };
42 
43 static int __init w1_smem_init(void)
44 {
45 	int err;
46 
47 	err = w1_register_family(&w1_smem_family_01);
48 	if (err)
49 		return err;
50 
51 	err = w1_register_family(&w1_smem_family_81);
52 	if (err) {
53 		w1_unregister_family(&w1_smem_family_01);
54 		return err;
55 	}
56 
57 	return 0;
58 }
59 
60 static void __exit w1_smem_fini(void)
61 {
62 	w1_unregister_family(&w1_smem_family_01);
63 	w1_unregister_family(&w1_smem_family_81);
64 }
65 
66 module_init(w1_smem_init);
67 module_exit(w1_smem_fini);
68 
69 MODULE_AUTHOR("Evgeniy Polyakov <zbr@ioremap.net>");
70 MODULE_DESCRIPTION("Driver for 1-wire Dallas network protocol, 64bit memory family.");
71 MODULE_LICENSE("GPL");
72 MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_01));
73 MODULE_ALIAS("w1-family-" __stringify(W1_FAMILY_SMEM_81));
74