diff options
Diffstat (limited to 'drivers/w1/w1_family.h')
| -rw-r--r-- | drivers/w1/w1_family.h | 65 |
1 files changed, 65 insertions, 0 deletions
diff --git a/drivers/w1/w1_family.h b/drivers/w1/w1_family.h new file mode 100644 index 000000000000..03a2de7a601f --- /dev/null +++ b/drivers/w1/w1_family.h @@ -0,0 +1,65 @@ +/* + * w1_family.h + * + * Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru> + * + * + * 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 <asm/atomic.h> + +#define W1_FAMILY_DEFAULT 0 +#define W1_FAMILY_THERM 0x10 +#define W1_FAMILY_SMEM 0x01 + +#define MAXNAMELEN 32 + +struct w1_family_ops +{ + ssize_t (* rname)(struct device *, char *); + ssize_t (* rbin)(struct kobject *, char *, loff_t, size_t); + + ssize_t (* rval)(struct device *, char *); + unsigned char rvalname[MAXNAMELEN]; +}; + +struct w1_family +{ + struct list_head family_entry; + u8 fid; + + struct w1_family_ops *fops; + + atomic_t refcnt; + u8 need_exit; +}; + +extern spinlock_t w1_flock; + +void w1_family_get(struct w1_family *); +void w1_family_put(struct w1_family *); +void __w1_family_get(struct w1_family *); +void __w1_family_put(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 */ |