tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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_COUNTER_DS2423 0x1D
34#define W1_THERM_DS1822 0x22
35#define W1_EEPROM_DS2433 0x23
36#define W1_THERM_DS18B20 0x28
37#define W1_FAMILY_DS2408 0x29
38#define W1_EEPROM_DS2431 0x2D
39#define W1_FAMILY_DS2760 0x30
40#define W1_FAMILY_DS2780 0x32
41
42#define MAXNAMELEN 32
43
44struct w1_slave;
45
46struct w1_family_ops
47{
48 int (* add_slave)(struct w1_slave *);
49 void (* remove_slave)(struct w1_slave *);
50};
51
52struct w1_family
53{
54 struct list_head family_entry;
55 u8 fid;
56
57 struct w1_family_ops *fops;
58
59 atomic_t refcnt;
60};
61
62extern spinlock_t w1_flock;
63
64void w1_family_put(struct w1_family *);
65void __w1_family_get(struct w1_family *);
66struct w1_family * w1_family_registered(u8);
67void w1_unregister_family(struct w1_family *);
68int w1_register_family(struct w1_family *);
69
70#endif /* __W1_FAMILY_H */