LXR uboot/include/w1-eeprom.h

   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
  12struct udevice;
  13
  14struct 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
  25int w1_eeprom_read_buf(struct udevice *dev, unsigned int offset,
  26                       u8 *buf, unsigned int count);
  27
  28int w1_eeprom_dm_init(void);
  29
  30int w1_eeprom_get_id(struct udevice *dev, u64 *id);
  31#endif
  32