1 /* 2 * Copyright (c) Meta Platforms, Inc. and affiliates. 3 * 4 * SPDX-License-Identifier: GPL-2.0-only 5 */ 6 7 #ifndef EEPROM_AT24C_H 8 #define EEPROM_AT24C_H 9 10 #include "hw/i2c/i2c.h" 11 12 /* 13 * Create and realize an AT24C EEPROM device on the heap. 14 * @bus: I2C bus to put it on 15 * @address: I2C address of the EEPROM slave when put on a bus 16 * @rom_size: size of the EEPROM 17 * 18 * Create the device state structure, initialize it, put it on the specified 19 * @bus, and drop the reference to it (the device is realized). 20 */ 21 I2CSlave *at24c_eeprom_init(I2CBus *bus, uint8_t address, uint32_t rom_size); 22 23 24 /* 25 * Create and realize an AT24C EEPROM device on the heap with initial data. 26 * @bus: I2C bus to put it on 27 * @address: I2C address of the EEPROM slave when put on a bus 28 * @rom_size: size of the EEPROM 29 * @init_rom: Array of bytes to initialize EEPROM memory with 30 * @init_rom_size: Size of @init_rom, must be less than or equal to @rom_size 31 * 32 * Create the device state structure, initialize it, put it on the specified 33 * @bus, and drop the reference to it (the device is realized). Copies the data 34 * from @init_rom to the beginning of the EEPROM memory buffer. 35 */ 36 I2CSlave *at24c_eeprom_init_rom(I2CBus *bus, uint8_t address, uint32_t rom_size, 37 const uint8_t *init_rom, uint32_t init_rom_size); 38 39 #endif 40