1 /* 2 * w1_family.h 3 * 4 * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net> 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 <linux/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 #define W1_THERM_DS28EA00 0x42 42 43 #define MAXNAMELEN 32 44 45 struct w1_slave; 46 47 struct w1_family_ops 48 { 49 int (* add_slave)(struct w1_slave *); 50 void (* remove_slave)(struct w1_slave *); 51 }; 52 53 struct w1_family 54 { 55 struct list_head family_entry; 56 u8 fid; 57 58 struct w1_family_ops *fops; 59 60 atomic_t refcnt; 61 }; 62 63 extern spinlock_t w1_flock; 64 65 void w1_family_put(struct w1_family *); 66 void __w1_family_get(struct w1_family *); 67 struct w1_family * w1_family_registered(u8); 68 void w1_unregister_family(struct w1_family *); 69 int w1_register_family(struct w1_family *); 70 71 #endif /* __W1_FAMILY_H */ 72