1 /*
2 * w1_family.h
3 *
4 * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
5 *
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms 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 #ifndef __W1_FAMILY_H
23 #define __W1_FAMILY_H
24
25 #include <linux/types.h>
26 #include <linux/device.h>
27 #include <asm/atomic.h>
28
29 #define W1_FAMILY_DEFAULT 0
30 #define W1_FAMILY_SMEM_01 0x01
31 #define W1_FAMILY_SMEM_81 0x81
32 #define W1_THERM_DS18S20 0x10
33 #define W1_THERM_DS1822 0x22
34 #define W1_EEPROM_DS2433 0x23
35 #define W1_THERM_DS18B20 0x28
36 #define W1_FAMILY_DS2760 0x30
37
38 #define MAXNAMELEN 32
39
40 struct w1_slave;
41
42 struct w1_family_ops
43 {
44 int (* add_slave)(struct w1_slave *);
45 void (* remove_slave)(struct w1_slave *);
46 };
47
48 struct w1_family
49 {
50 struct list_head family_entry;
51 u8 fid;
52
53 struct w1_family_ops *fops;
54
55 atomic_t refcnt;
56 u8 need_exit;
57 };
58
59 extern spinlock_t w1_flock;
60
61 void w1_family_put(struct w1_family *);
62 void __w1_family_get(struct w1_family *);
63 struct w1_family * w1_family_registered(u8);
64 void w1_unregister_family(struct w1_family *);
65 int w1_register_family(struct w1_family *);
66 void w1_reconnect_slaves(struct w1_family *f);
67
68 #endif /* __W1_FAMILY_H */
69
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