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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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275ac74629
Add support for the Maxim/Dallas DS2780 Stand-Alone Fuel Gauge IC. It was suggested to combine this functionality with the current ds2782 driver. Unfortunately, I'm unable to commit the time to refactoring this driver to that extent and I don't have a platform with the ds2782 part to validate that there are no regression issues by adding this functionality. [akpm@linux-foundation.org: use min_t()] Signed-off-by: Clifton Barnes <cabarnes@indesign-llc.com> Tested-by: Haojian Zhuang <haojian.zhuang@gmail.com> Cc: Evgeniy Polyakov <johnpol@2ka.mipt.ru> Cc: Ryan Mallon <ryan@bluewatersys.com> Signed-off-by: Andrew Morton <akpm@linux-foundation.org> Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>
71 lines
1.8 KiB
C
71 lines
1.8 KiB
C
/*
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* w1_family.h
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*
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* Copyright (c) 2004 Evgeniy Polyakov <johnpol@2ka.mipt.ru>
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*
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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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 <asm/atomic.h>
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#define W1_FAMILY_DEFAULT 0
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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_THERM_DS18S20 0x10
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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 MAXNAMELEN 32
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struct w1_slave;
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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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};
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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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#endif /* __W1_FAMILY_H */
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