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 30#define W1_FAMILY_SMEM_01 0x01 31#define W1_FAMILY_SMEM_81 0x81 32#define W1_THERM_DS18S20 0x10 33#define W1_THERM_DS1822 0x22 34#define W1_EEPROM_DS2433 0x23 35#define W1_THERM_DS18B20 0x28 36 37#define MAXNAMELEN 32 38 39struct w1_slave; 40 41struct w1_family_ops 42{ 43 int (* add_slave)(struct w1_slave *); 44 void (* remove_slave)(struct w1_slave *); 45}; 46 47struct 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 58extern spinlock_t w1_flock; 59 60void w1_family_put(struct w1_family *); 61void __w1_family_get(struct w1_family *); 62struct w1_family * w1_family_registered(u8); 63void w1_unregister_family(struct w1_family *); 64int w1_register_family(struct w1_family *); 65void w1_reconnect_slaves(struct w1_family *f); 66 67#endif /* __W1_FAMILY_H */ 68