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8a0934bf9b
Remove filename from file, this is not done anymore as it doesn't add anything and usually is incorrect as filename change often. Also shorten the GPL to the more common address-less version and remove excess white-space. Signed-off-by: Andrew F. Davis <afd@ti.com> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
98 lines
2.6 KiB
C
98 lines
2.6 KiB
C
/*
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* Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*/
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#ifndef __W1_FAMILY_H
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#define __W1_FAMILY_H
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#include <linux/types.h>
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#include <linux/device.h>
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#include <linux/atomic.h>
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#define W1_FAMILY_DEFAULT 0
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#define W1_FAMILY_BQ27000 0x01
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#define W1_FAMILY_SMEM_01 0x01
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#define W1_FAMILY_SMEM_81 0x81
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#define W1_FAMILY_DS2405 0x05
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#define W1_THERM_DS18S20 0x10
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#define W1_FAMILY_DS28E04 0x1C
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#define W1_COUNTER_DS2423 0x1D
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#define W1_THERM_DS1822 0x22
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#define W1_EEPROM_DS2433 0x23
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#define W1_THERM_DS18B20 0x28
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#define W1_FAMILY_DS2408 0x29
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#define W1_EEPROM_DS2431 0x2D
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#define W1_FAMILY_DS2760 0x30
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#define W1_FAMILY_DS2780 0x32
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#define W1_FAMILY_DS2413 0x3A
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#define W1_FAMILY_DS2406 0x12
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#define W1_THERM_DS1825 0x3B
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#define W1_FAMILY_DS2781 0x3D
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#define W1_THERM_DS28EA00 0x42
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#define MAXNAMELEN 32
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struct w1_slave;
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/**
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* struct w1_family_ops - operations for a family type
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* @add_slave: add_slave
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* @remove_slave: remove_slave
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* @groups: sysfs group
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*/
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struct w1_family_ops
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{
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int (* add_slave)(struct w1_slave *);
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void (* remove_slave)(struct w1_slave *);
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const struct attribute_group **groups;
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};
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/**
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* struct w1_family - reference counted family structure.
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* @family_entry: family linked list
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* @fid: 8 bit family identifier
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* @fops: operations for this family
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* @refcnt: reference counter
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*/
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struct w1_family
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{
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struct list_head family_entry;
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u8 fid;
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struct w1_family_ops *fops;
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atomic_t refcnt;
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};
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extern spinlock_t w1_flock;
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void w1_family_put(struct w1_family *);
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void __w1_family_get(struct w1_family *);
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struct w1_family * w1_family_registered(u8);
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void w1_unregister_family(struct w1_family *);
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int w1_register_family(struct w1_family *);
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/**
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* module_w1_driver() - Helper macro for registering a 1-Wire families
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* @__w1_family: w1_family struct
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*
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* Helper macro for 1-Wire families which do not do anything special in module
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* init/exit. This eliminates a lot of boilerplate. Each module may only
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* use this macro once, and calling it replaces module_init() and module_exit()
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*/
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#define module_w1_family(__w1_family) \
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module_driver(__w1_family, w1_register_family, \
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w1_unregister_family)
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#endif /* __W1_FAMILY_H */
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