projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| 1da177e4 | 1 | /* |
| 7785925d | 2 | * w1_family.h |
| 1da177e4 | 3 | * |
| a8018766 | 4 | * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net> |
| 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> | |
| 60063497 | 27 | #include <linux/atomic.h> |
| 1da177e4 LT |
28 | |
| 29 | #define W1_FAMILY_DEFAULT 0 | |
| 85e941cc EP |
30 | #define W1_FAMILY_SMEM_01 0x01 |
| 31 | #define W1_FAMILY_SMEM_81 0x81 | |
| 718a538f | 32 | #define W1_THERM_DS18S20 0x10 |
| fbf7f7b4 | 33 | #define W1_FAMILY_DS28E04 0x1C |
| 17fecb55 | 34 | #define W1_COUNTER_DS2423 0x1D |
| 718a538f | 35 | #define W1_THERM_DS1822 0x22 |
| a3d65f25 | 36 | #define W1_EEPROM_DS2433 0x23 |
| 718a538f | 37 | #define W1_THERM_DS18B20 0x28 |
| 89610274 | 38 | #define W1_FAMILY_DS2408 0x29 |
| d8273674 | 39 | #define W1_EEPROM_DS2431 0x2D |
| d7ce6d1d | 40 | #define W1_FAMILY_DS2760 0x30 |
| 275ac746 | 41 | #define W1_FAMILY_DS2780 0x32 |
| 31b4ca3e | 42 | #define W1_FAMILY_DS2413 0x3A |
| f3261dfb | 43 | #define W1_THERM_DS1825 0x3B |
| fef37e9a | 44 | #define W1_FAMILY_DS2781 0x3D |
| f7b1371e | 45 | #define W1_THERM_DS28EA00 0x42 |
| 1da177e4 LT |
46 | |
| 47 | #define MAXNAMELEN 32 | |
| 48 | ||
| d2a4ef6a EP |
49 | struct w1_slave; |
| 50 | ||
| b3be177a DF |
51 | /** |
| 52 | * struct w1_family_ops - operations for a family type | |
| 53 | * @add_slave: add_slave | |
| 54 | * @remove_slave: remove_slave | |
| 55 | * @groups: sysfs group | |
| 56 | */ | |
| 1da177e4 LT |
57 | struct w1_family_ops |
| 58 | { | |
| d2a4ef6a EP |
59 | int (* add_slave)(struct w1_slave *); |
| 60 | void (* remove_slave)(struct w1_slave *); | |
| 36c27a65 | 61 | const struct attribute_group **groups; |
| 1da177e4 LT |
62 | }; |
| 63 | ||
| b3be177a DF |
64 | /** |
| 65 | * struct w1_family - reference counted family structure. | |
| 66 | * @family_entry: family linked list | |
| 67 | * @fid: 8 bit family identifier | |
| 68 | * @fops: operations for this family | |
| 69 | * @refcnt: reference counter | |
| 70 | */ | |
| 1da177e4 LT |
71 | struct w1_family |
| 72 | { | |
| 73 | struct list_head family_entry; | |
| 74 | u8 fid; | |
| 7785925d | 75 | |
| 1da177e4 | 76 | struct w1_family_ops *fops; |
| 7785925d | 77 | |
| 1da177e4 | 78 | atomic_t refcnt; |
| 1da177e4 LT |
79 | }; |
| 80 | ||
| 81 | extern spinlock_t w1_flock; | |
| 82 | ||
| 1da177e4 LT |
83 | void w1_family_put(struct w1_family *); |
| 84 | void __w1_family_get(struct w1_family *); | |
| 1da177e4 LT |
85 | struct w1_family * w1_family_registered(u8); |
| 86 | void w1_unregister_family(struct w1_family *); | |
| 87 | int w1_register_family(struct w1_family *); | |
| 88 | ||
| 89 | #endif /* __W1_FAMILY_H */ |