/* * w1_family.h * * Copyright (c) 2004 Evgeniy Polyakov * * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #ifndef __W1_FAMILY_H #define __W1_FAMILY_H #include #include #include #define W1_FAMILY_DEFAULT 0 #define W1_FAMILY_BQ27000 0x01 #define W1_FAMILY_SMEM_01 0x01 #define W1_FAMILY_SMEM_81 0x81 #define W1_THERM_DS18S20 0x10 #define W1_FAMILY_DS28E04 0x1C #define W1_COUNTER_DS2423 0x1D #define W1_THERM_DS1822 0x22 #define W1_EEPROM_DS2433 0x23 #define W1_THERM_DS18B20 0x28 #define W1_FAMILY_DS2408 0x29 #define W1_EEPROM_DS2431 0x2D #define W1_FAMILY_DS2760 0x30 #define W1_FAMILY_DS2780 0x32 #define W1_FAMILY_DS2413 0x3A #define W1_FAMILY_DS2406 0x12 #define W1_THERM_DS1825 0x3B #define W1_FAMILY_DS2781 0x3D #define W1_THERM_DS28EA00 0x42 #define MAXNAMELEN 32 struct w1_slave; /** * struct w1_family_ops - operations for a family type * @add_slave: add_slave * @remove_slave: remove_slave * @groups: sysfs group */ struct w1_family_ops { int (* add_slave)(struct w1_slave *); void (* remove_slave)(struct w1_slave *); const struct attribute_group **groups; }; /** * struct w1_family - reference counted family structure. * @family_entry: family linked list * @fid: 8 bit family identifier * @fops: operations for this family * @refcnt: reference counter */ struct w1_family { struct list_head family_entry; u8 fid; struct w1_family_ops *fops; atomic_t refcnt; }; extern spinlock_t w1_flock; void w1_family_put(struct w1_family *); void __w1_family_get(struct w1_family *); struct w1_family * w1_family_registered(u8); void w1_unregister_family(struct w1_family *); int w1_register_family(struct w1_family *); /** * module_w1_driver() - Helper macro for registering a 1-Wire families * @__w1_family: w1_family struct * * Helper macro for 1-Wire families which do not do anything special in module * init/exit. This eliminates a lot of boilerplate. Each module may only * use this macro once, and calling it replaces module_init() and module_exit() */ #define module_w1_family(__w1_family) \ module_driver(__w1_family, w1_register_family, \ w1_unregister_family) #endif /* __W1_FAMILY_H */ text:space:mode:

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