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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
Evgeniy Polyakov77859252005-05-20 22:33:25 +04002 * w1_family.h
Linus Torvalds1da177e2005-04-16 15:20:36 -07003 *
Evgeniy Polyakova8018762011-08-25 15:59:06 -07004 * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
Evgeniy Polyakov77859252005-05-20 22:33:25 +04005 *
Linus Torvalds1da177e2005-04-16 15:20:36 -07006 *
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>
Arun Sharma600634972011-07-26 16:09:06 -070027#include <linux/atomic.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070028
29#define W1_FAMILY_DEFAULT 0
Evgeniy Polyakov85e941c2005-05-02 14:26:42 +040030#define W1_FAMILY_SMEM_01 0x01
31#define W1_FAMILY_SMEM_81 0x81
Evgeniy Polyakov718a5382005-04-17 22:58:14 +040032#define W1_THERM_DS18S20 0x10
Mika Laitio17fecb52011-01-12 17:01:06 -080033#define W1_COUNTER_DS2423 0x1D
Evgeniy Polyakov718a5382005-04-17 22:58:14 +040034#define W1_THERM_DS1822 0x22
Evgeniy Polyakova3d65f22005-08-11 17:27:50 +040035#define W1_EEPROM_DS2433 0x23
Evgeniy Polyakov718a5382005-04-17 22:58:14 +040036#define W1_THERM_DS18B20 0x28
Jean-François Dagenais89610272011-05-26 16:26:02 -070037#define W1_FAMILY_DS2408 0x29
Bernhard Weirichd8273672008-10-15 22:05:11 -070038#define W1_EEPROM_DS2431 0x2D
Anton Vorontsovd7ce6d12007-04-12 01:03:55 +040039#define W1_FAMILY_DS2760 0x30
Clifton Barnes275ac742011-05-26 16:26:04 -070040#define W1_FAMILY_DS2780 0x32
Christian Glindkampf7b13712011-07-26 16:08:55 -070041#define W1_THERM_DS28EA00 0x42
Linus Torvalds1da177e2005-04-16 15:20:36 -070042
43#define MAXNAMELEN 32
44
Evgeniy Polyakovd2a4ef62005-08-11 17:27:50 +040045struct w1_slave;
46
Linus Torvalds1da177e2005-04-16 15:20:36 -070047struct w1_family_ops
48{
Evgeniy Polyakovd2a4ef62005-08-11 17:27:50 +040049 int (* add_slave)(struct w1_slave *);
50 void (* remove_slave)(struct w1_slave *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070051};
52
53struct w1_family
54{
55 struct list_head family_entry;
56 u8 fid;
Evgeniy Polyakov77859252005-05-20 22:33:25 +040057
Linus Torvalds1da177e2005-04-16 15:20:36 -070058 struct w1_family_ops *fops;
Evgeniy Polyakov77859252005-05-20 22:33:25 +040059
Linus Torvalds1da177e2005-04-16 15:20:36 -070060 atomic_t refcnt;
Linus Torvalds1da177e2005-04-16 15:20:36 -070061};
62
63extern spinlock_t w1_flock;
64
Linus Torvalds1da177e2005-04-16 15:20:36 -070065void w1_family_put(struct w1_family *);
66void __w1_family_get(struct w1_family *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070067struct w1_family * w1_family_registered(u8);
68void w1_unregister_family(struct w1_family *);
69int w1_register_family(struct w1_family *);
Linus Torvalds1da177e2005-04-16 15:20:36 -070070
71#endif /* __W1_FAMILY_H */