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Diffstat (limited to 'drivers/w1/w1_family.h')
| -rw-r--r-- | drivers/w1/w1_family.h | 91 |
1 files changed, 91 insertions, 0 deletions
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h new file mode 100644 index 000000000..ed5dcb80a --- /dev/null +++ b/drivers/w1/w1_family.h @@ -0,0 +1,91 @@ +/* + * w1_family.h + * + * Copyright (c) 2004 Evgeniy Polyakov <zbr@ioremap.net> + * + * + * 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 <linux/types.h> +#include <linux/device.h> +#include <linux/atomic.h> + +#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 *); + +#endif /* __W1_FAMILY_H */ |