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c924ee25aa
We might want to access data stored onto one wire EEPROMs. Create a framework to provide a consistent API. Signed-off-by: Maxime Ripard <maxime.ripard@bootlin.com> [eugen.hristev@microchip.com: reworked patch] Signed-off-by: Eugen Hristev <eugen.hristev@microchip.com>
34 lines
820 B
C
34 lines
820 B
C
/* SPDX-License-Identifier: GPL-2.0+
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*
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* Copyright (c) 2015 Free Electrons
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* Copyright (c) 2015 NextThing Co
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* Copyright (c) 2018 Microchip Technology, Inc.
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*
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*/
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#ifndef __W1_EEPROM_H
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#define __W1_EEPROM_H
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struct udevice;
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struct w1_eeprom_ops {
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/*
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* Reads a buff from the given EEPROM memory, starting at
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* given offset and place the results into the given buffer.
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* Should read given count of bytes.
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* Should return 0 on success, and normal error.h on error
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*/
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int (*read_buf)(struct udevice *dev, unsigned int offset,
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u8 *buf, unsigned int count);
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};
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int w1_eeprom_read_buf(struct udevice *dev, unsigned int offset,
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u8 *buf, unsigned int count);
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int w1_eeprom_dm_init(void);
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int w1_eeprom_register_new_device(u64 id);
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int w1_eeprom_get_id(struct udevice *dev, u64 *id);
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#endif
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