]> bbs.cooldavid.org Git - net-next-2.6.git/blame - drivers/w1/w1_family.h
scm: lower SCM_MAX_FD
[net-next-2.6.git] / drivers / w1 / w1_family.h
CommitLineData
1da177e4 1/*
7785925d 2 * w1_family.h
1da177e4
LT
3 *
4 * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
7785925d 5 *
1da177e4
LT
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
85e941cc
EP
30#define W1_FAMILY_SMEM_01 0x01
31#define W1_FAMILY_SMEM_81 0x81
718a538f
EP
32#define W1_THERM_DS18S20 0x10
33#define W1_THERM_DS1822 0x22
a3d65f25 34#define W1_EEPROM_DS2433 0x23
718a538f 35#define W1_THERM_DS18B20 0x28
d8273674 36#define W1_EEPROM_DS2431 0x2D
d7ce6d1d 37#define W1_FAMILY_DS2760 0x30
1da177e4
LT
38
39#define MAXNAMELEN 32
40
d2a4ef6a
EP
41struct w1_slave;
42
1da177e4
LT
43struct w1_family_ops
44{
d2a4ef6a
EP
45 int (* add_slave)(struct w1_slave *);
46 void (* remove_slave)(struct w1_slave *);
1da177e4
LT
47};
48
49struct w1_family
50{
51 struct list_head family_entry;
52 u8 fid;
7785925d 53
1da177e4 54 struct w1_family_ops *fops;
7785925d 55
1da177e4 56 atomic_t refcnt;
1da177e4
LT
57};
58
59extern spinlock_t w1_flock;
60
1da177e4
LT
61void w1_family_put(struct w1_family *);
62void __w1_family_get(struct w1_family *);
1da177e4
LT
63struct w1_family * w1_family_registered(u8);
64void w1_unregister_family(struct w1_family *);
65int w1_register_family(struct w1_family *);
66
67#endif /* __W1_FAMILY_H */