Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 1 | /* |
Evgeniy Polyakov | 7785925 | 2005-05-20 22:33:25 +0400 | [diff] [blame] | 2 | * w1_family.h |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 3 | * |
Evgeniy Polyakov | a801876 | 2011-08-25 15:59:06 -0700 | [diff] [blame] | 4 | * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net> |
Evgeniy Polyakov | 7785925 | 2005-05-20 22:33:25 +0400 | [diff] [blame] | 5 | * |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 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> |
Arun Sharma | 60063497 | 2011-07-26 16:09:06 -0700 | [diff] [blame] | 27 | #include <linux/atomic.h> |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 28 | |
| 29 | #define W1_FAMILY_DEFAULT 0 |
Evgeniy Polyakov | 85e941c | 2005-05-02 14:26:42 +0400 | [diff] [blame] | 30 | #define W1_FAMILY_SMEM_01 0x01 |
| 31 | #define W1_FAMILY_SMEM_81 0x81 |
Evgeniy Polyakov | 718a538 | 2005-04-17 22:58:14 +0400 | [diff] [blame] | 32 | #define W1_THERM_DS18S20 0x10 |
Mika Laitio | 17fecb5 | 2011-01-12 17:01:06 -0800 | [diff] [blame] | 33 | #define W1_COUNTER_DS2423 0x1D |
Evgeniy Polyakov | 718a538 | 2005-04-17 22:58:14 +0400 | [diff] [blame] | 34 | #define W1_THERM_DS1822 0x22 |
Evgeniy Polyakov | a3d65f2 | 2005-08-11 17:27:50 +0400 | [diff] [blame] | 35 | #define W1_EEPROM_DS2433 0x23 |
Evgeniy Polyakov | 718a538 | 2005-04-17 22:58:14 +0400 | [diff] [blame] | 36 | #define W1_THERM_DS18B20 0x28 |
Jean-François Dagenais | 8961027 | 2011-05-26 16:26:02 -0700 | [diff] [blame] | 37 | #define W1_FAMILY_DS2408 0x29 |
Bernhard Weirich | d827367 | 2008-10-15 22:05:11 -0700 | [diff] [blame] | 38 | #define W1_EEPROM_DS2431 0x2D |
Anton Vorontsov | d7ce6d1 | 2007-04-12 01:03:55 +0400 | [diff] [blame] | 39 | #define W1_FAMILY_DS2760 0x30 |
Clifton Barnes | 275ac74 | 2011-05-26 16:26:04 -0700 | [diff] [blame] | 40 | #define W1_FAMILY_DS2780 0x32 |
Christian Glindkamp | f7b1371 | 2011-07-26 16:08:55 -0700 | [diff] [blame] | 41 | #define W1_THERM_DS28EA00 0x42 |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 42 | |
| 43 | #define MAXNAMELEN 32 |
| 44 | |
Evgeniy Polyakov | d2a4ef6 | 2005-08-11 17:27:50 +0400 | [diff] [blame] | 45 | struct w1_slave; |
| 46 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 47 | struct w1_family_ops |
| 48 | { |
Evgeniy Polyakov | d2a4ef6 | 2005-08-11 17:27:50 +0400 | [diff] [blame] | 49 | int (* add_slave)(struct w1_slave *); |
| 50 | void (* remove_slave)(struct w1_slave *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 51 | }; |
| 52 | |
| 53 | struct w1_family |
| 54 | { |
| 55 | struct list_head family_entry; |
| 56 | u8 fid; |
Evgeniy Polyakov | 7785925 | 2005-05-20 22:33:25 +0400 | [diff] [blame] | 57 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 58 | struct w1_family_ops *fops; |
Evgeniy Polyakov | 7785925 | 2005-05-20 22:33:25 +0400 | [diff] [blame] | 59 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 60 | atomic_t refcnt; |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 61 | }; |
| 62 | |
| 63 | extern spinlock_t w1_flock; |
| 64 | |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 65 | void w1_family_put(struct w1_family *); |
| 66 | void __w1_family_get(struct w1_family *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 67 | struct w1_family * w1_family_registered(u8); |
| 68 | void w1_unregister_family(struct w1_family *); |
| 69 | int w1_register_family(struct w1_family *); |
Linus Torvalds | 1da177e | 2005-04-16 15:20:36 -0700 | [diff] [blame] | 70 | |
| 71 | #endif /* __W1_FAMILY_H */ |