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
37#define MAXNAMELEN		32
38
39struct w1_slave;
40
41struct w1_family_ops
42{
43	int  (* add_slave)(struct w1_slave *);
44	void (* remove_slave)(struct w1_slave *);
45};
46
47struct w1_family
48{
49	struct list_head	family_entry;
50	u8			fid;
51
52	struct w1_family_ops	*fops;
53
54	atomic_t		refcnt;
55	u8			need_exit;
56};
57
58extern spinlock_t w1_flock;
59
60void w1_family_put(struct w1_family *);
61void __w1_family_get(struct w1_family *);
62struct w1_family * w1_family_registered(u8);
63void w1_unregister_family(struct w1_family *);
64int w1_register_family(struct w1_family *);
65void w1_reconnect_slaves(struct w1_family *f);
66
67#endif /* __W1_FAMILY_H */
68