linux/drivers/w1/w1_family.h
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   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_FAMILY_DS28E04       0x1C
  34#define W1_COUNTER_DS2423       0x1D
  35#define W1_THERM_DS1822         0x22
  36#define W1_EEPROM_DS2433        0x23
  37#define W1_THERM_DS18B20        0x28
  38#define W1_FAMILY_DS2408        0x29
  39#define W1_EEPROM_DS2431        0x2D
  40#define W1_FAMILY_DS2760        0x30
  41#define W1_FAMILY_DS2780        0x32
  42#define W1_FAMILY_DS2413        0x3A
  43#define W1_THERM_DS1825         0x3B
  44#define W1_FAMILY_DS2781        0x3D
  45#define W1_THERM_DS28EA00       0x42
  46
  47#define MAXNAMELEN              32
  48
  49struct w1_slave;
  50
  51struct w1_family_ops
  52{
  53        int  (* add_slave)(struct w1_slave *);
  54        void (* remove_slave)(struct w1_slave *);
  55};
  56
  57struct w1_family
  58{
  59        struct list_head        family_entry;
  60        u8                      fid;
  61
  62        struct w1_family_ops    *fops;
  63
  64        atomic_t                refcnt;
  65};
  66
  67extern spinlock_t w1_flock;
  68
  69void w1_family_put(struct w1_family *);
  70void __w1_family_get(struct w1_family *);
  71struct w1_family * w1_family_registered(u8);
  72void w1_unregister_family(struct w1_family *);
  73int w1_register_family(struct w1_family *);
  74
  75#endif /* __W1_FAMILY_H */
  76
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