projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 LT |
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 | |
| 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 | |
| 34 | #define W1_THERM_DS18B20 0x28 | |
| 1da177e4 LT |
35 | |
| 36 | #define MAXNAMELEN 32 | |
| 37 | ||
| 38 | struct w1_family_ops | |
| 39 | { | |
| 060b8845 | 40 | ssize_t (* rname)(struct device *, struct device_attribute *, char *); |
| 1da177e4 LT |
41 | ssize_t (* rbin)(struct kobject *, char *, loff_t, size_t); |
| 42 | ||
| 060b8845 | 43 | ssize_t (* rval)(struct device *, struct device_attribute *, char *); |
| 1da177e4 LT |
44 | unsigned char rvalname[MAXNAMELEN]; |
| 45 | }; | |
| 46 | ||
| 47 | struct 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 | ||
| 58 | extern spinlock_t w1_flock; | |
| 59 | ||
| 60 | void w1_family_get(struct w1_family *); | |
| 61 | void w1_family_put(struct w1_family *); | |
| 62 | void __w1_family_get(struct w1_family *); | |
| 63 | void __w1_family_put(struct w1_family *); | |
| 64 | struct w1_family * w1_family_registered(u8); | |
| 65 | void w1_unregister_family(struct w1_family *); | |
| 66 | int w1_register_family(struct w1_family *); | |
| 67 | ||
| 68 | #endif /* __W1_FAMILY_H */ |