1 /* SPDX-License-Identifier: GPL-2.0+ 2 * 3 * Copyright (c) 2015 Free Electrons 4 * Copyright (c) 2015 NextThing Co 5 * Copyright (c) 2018 Microchip Technology, Inc. 6 * 7 */ 8 9 #ifndef __W1_EEPROM_H 10 #define __W1_EEPROM_H 11 12 struct udevice; 13 14 struct w1_eeprom_ops { 15 /* 16 * Reads a buff from the given EEPROM memory, starting at 17 * given offset and place the results into the given buffer. 18 * Should read given count of bytes. 19 * Should return 0 on success, and normal error.h on error 20 */ 21 int (*read_buf)(struct udevice *dev, unsigned int offset, 22 u8 *buf, unsigned int count); 23 }; 24 25 int w1_eeprom_read_buf(struct udevice *dev, unsigned int offset, 26 u8 *buf, unsigned int count); 27 28 int w1_eeprom_dm_init(void); 29 30 int w1_eeprom_register_new_device(u64 id); 31 32 int w1_eeprom_get_id(struct udevice *dev, u64 *id); 33 #endif 34